Exvator langai a daw ni gaw hpa ni rai kun?

Excavator ni hpe engineering gawgap ai hta lang ai jak rung arung arai ni hpe lang ai, shanhte a hkrak ai bungli gaw, daw amyu myu a coordinated bungli hta madung nga ai. Lahta na lam ni gaw, ahkyak ai daw amyu myu kaw na htu shaw ai ni a npawt nhpang hte seng ai machye machyang ni hpe shalawm da ai.

1. n-gun ja ai masa

jak

Type: diesel engine (95 jan a matu jahpan galaw ai, jak kaji nkau mi gaw wan jak ni hpe lang ai.

Madung masat masa ni: N-gun (80-800kW), torque, nbung dat dat ai madang (Miwa III/IV/Euro V)

Hpaji ningnan hpan shalat ai lam: Hybrid system (ga shadawn, Komatsu HB215) gaw n-gun jai lang ai lam hpe 30% shayawm ya ai.

2. Transmission

Hydraulic pump: Axial piston pump gaw madung rai nna, n-gun 30-40MPa hpe n-gun dat ai.

Hydraulic motor :

Hkrun lam hkawm ai lam: lawan ai, torque radial n-gun kaba ai

Swing motor: n-gun n rawng hkra, jak rung brake hte hpaw da ai

Gearbox: 40km/h hte bung ai (sh) dai hte maren sha, Greater a lam kaba ni hpe galaw lu ai, leng leng ni hta sha lu ai.

3. Agency ni hpe galaw sa wa ai

4. System hpe hkang ai

Pilot hydraulic hpe hkang ai: matut manoi lwi ai lam hpe galai shai na matu shingdaw ai valve hpe hkang ai

electronic hkang zing ai ladat :

EPOS (Electronic Power hpe grau kaja hkra galaw ai ladat) gaw load hte shi hkrai shi bung ai.

Closed-loop load sensing system (CLSS) gaw n-gun yawm ai hpe shayawm ya ai

Hpaji rawng ai hku yu reng ai lam: Bus a tengman ai- aten hta mara lu ai code hpe jep chyoi ai (ga shadawn, Caterpillar ET system)

5. Madung garum ningtum daw ni

Slewing bearing:

Single row row mali{0}}point matut mahkai ai ball (ma kaji hte lapran tsang ni)

100 tons jan ai roller amyu (mining jak kaba) hpe shinggrup da ai.

Load balancing jahpan: N-gun n-gun n-htum hkra, htu shaw ai n-gun hta na 1.5 lang galaw ai (ISO 10567 standard)

Exvator langai a control system gaw madung hku nna bungli galaw ai ladat hpe lawm ai, dai hta control lever (sh) joystick, control valve, hte lagaw pedal valve ni lawm ai. Control lever gaw boom, bucket, bucket arm shamu shamawt ai lam ni hpe galaw ya ai, dai zawn sha htu shaw ai wa a shingjawng ai lam hte hkawm sa ai lam ni hpe mung galaw ya ai. Control valve gaw, actuator langai hte langai a lawan ai hte n-gun hpe hkrak hkra hkang lu na matu, hydraulic ntsin lwi ai lam hte volume hpe hkang ya ai. Lagaw pedal valve gaw hkrun lam lawan ai hku galai shai ai hte shinggrup ai braking hpe hkang ai. Ndai hkang zing ai jak ni a jawm galaw ai lam hku nna, bungli galaw ai ni gaw, n-gun ja ai bungli amyu myu hpe galaw na matu, htu shaw ai wa hpe n-gun n rawng ai hku hkang lu ai.

Core components hte functions ni

galu kaba ai machye machyang

Pilot control amyu::

Mechano- hka n-gun hpe woi awn ai: n-gun hpe jak hte matut mahkai ai lam hku nna htawt sit ai, dai hpe htunghking hku hka ja ai ladat ni hta law law lang lang ai.

Electro-hydrulic pilot: Electronic signal gaw hydraulic valve ni hpe hkang ai, tsan tsan kaw nna hkang ai hte automation hpe madi shadaw ya ai.

Compound galaw ai ladat ni:

high{0}}}altitude bungli a matu, lata hte lagaw valve hpe jawm galaw ra ai. Ga shadawn, shinggrup ai shaloi htu ai shaloi, hkra maga na lata gaw shinggrup ai lam hpe hkang ai, hkra maga na lata gaw bucket a sung ai hpe hkang ai, lagaw valve gaw hkawm sa ai lawan ai hpe gram lajang ya ai.

Exavator a hkang zing ai ladat gaw, n-gun dat galaw ai lam a matu electronic hkang ai lam ni hte hpawng de da ai, pilot hydraulic system hpe madung tawn ai. Laksan daw ni hpe hkrak tup sawk sagawn na matu (solenoid valve models (sh) PLC programming zawn re ai ni), anhte gaw yaw shada ai ningmu ni hpe jaw ya lu ai.

Excavator a htu shaw ai ladat, bungli galaw ai jak (sh) htu ai shara ngu shamying ai, madung hku nna, boom, dipper lata, bucket ngu ai daw masum lawm ai. Dai boom gaw bungli galaw ai jak a "arm" hku nna bungli galaw nna, htu shaw ai wa a ntsa hkum hkrang hpe dipper arm hte matut mahkai ya ai. Boom hte bucket lapran kaw tawn da ai, dipper arm gaw power hpe shalai ya nna, bucket a bungli galaw ai angle hte shara hpe gram lajang ya ai. Dai bucket gaw, htu shaw ai lam hte htaw sa na matu arung arai ni hpe hkrak matut mahkai ya ai rai nna, breaker hammer, grab bucket, shing nrai, ga nhpu n-gun n bung ai zawn re ai laksan attachments ni hte galai shai mai ai, dai gaw, htu shaw ai lam, n-gun yawm ai lam, arung arai ni hpe rim la ai lam, ga nhpu n-gun yawm ai lam ni lawm ai magam bungli law law hpe galaw ya lu ai.

I. Magam bungli galaw ai jak a npawt nhpang: "masum- n-gun" ngu ai jak rung hkrang masa

Dai htu shaw ai wa a bungli galaw ai ladat gaw, n-gun ja ai, dipper lata, bucket ni hpe madun da ai, 3{0}} daw garan ai hkrang hpe lang ai. Hydraulic cylinders ni gaw ndai daw ni a shadawn shadang galai shai ai lam hpe shadut ya ai, shinggyim masha ni a lata hta nga ai "upper arm-and" ngu ai shamu shamawt ai lam hpe kasi la ai. Ndai daw masum gaw pin n-gang ni hku nna shada da matut mahkai nna, jat wa na, amplitude galai shai ai lam, galai shai ai lam ni hpe lu la na matu hydraulic system hte rau bungli galaw ai. Shanhte yawng pawng nna, htu shaw ai wa a bungli galaw ai shara, htu ai atsam, hte yawng hkra galaw lu ai atsam hpe dawdan ma ai.

2. Madung daw ni a bungli ni hte lit ni

Swing arm: bungli galaw ai jak a "base arm"

Structure positioning: shingdu maga langai gaw, htu shaw ai wa a ntsa hkum hkrang (rotary table) hte matut mahkai nna, kaga daw hpe gaw, jak ting a n-gun hpe htawn tsun na matu, "first level lever" rai nga ai, bucket rod hte matut da ai.

Functional Features: Boom cylinder gaw vertical pitch shamu shamawt ai lam ni hpe shabyin ya nna, htu shaw ai wa a grau htum ai htu htu ai hte n-gun n rawng ai hpe dawdan ya ai. Dai boom a galu kaba ai lam hte cross{1}} daw hkrang gaw, jak a bungli galaw ai radius hte ngang grin ai lam hpe hkrak sha shadut ya ai. Ga shadawn, galu kaba wa ai rawt jat lam gaw, galu kaba ai- hpe htu lu ai atsam hpe jat ya ai raitim, htu shaw ai n-gun hpe shayawm ya ai, n-gun n law ai gaw, lung seng htu ai zawn re ai n-gun kaba ai-duty bungli ni a matu grau htap htuk ai.

Pole: bungli galaw ai shara a "galai shai mai ai lata"

Structure positioning: lapran na daw hte bucket hpe matut mahkai ya ai, dai hpe bucket rod cylinder hku nna shawng de hte hpang de jat wa na matu shadut ai, bungli galaw ai hkrak ai lam hpe hkang lu na matu "key adjustment section" rai nga ai.

Functional Features: Boom hte bucket lapran na angle hpe gram lajang ai hku nna, dai system gaw bucket a shingdu n-gun hte sung ai lam hpe hkrak hkrak hkang lu ai. Ndai hpe compound operations ni hpe galaw na matu coordinated boom shamu shamawt ai lam ni hku nna madi shadaw ya ai (ga shadawn, "boom descent + dipper rod retraction"). Dipper rod a galu kaba ai lam hte n-gun atsam hpe hkrang shapraw ai gaw, htu shaw ai n-gun hte bungli galaw ai lam hta n-gun rawng ai lam lapran hta rap ra ai lam hpe shabyin ya ai: dingyang n-gang ni gaw vertical htu shaw na matu grai kaja ai, shing nrai, n-gang ni gaw bucket oscillation galaw ai shaloi, n-gun n-gun hpe shayawm kau ya ai, dai hku nna, n-gun n-gun hpe jat ya ai.

Tipper: Direct galaw na matu "executive component"

Structure positioning: bucket rod a jahtum kaw jung da ai, tipping action hpe bucket cylinder (sh) linkage mechanism hku nna shadut ai, dai gaw dai arai hte hkrak matut mahkai nga ai daw langai sha rai nga ai.

bungli galaw ai lam amyu myu :

Standard Bucket: Ga hte nhprang arai zawn re ai n-gun n rawng ai arung arai ni hpe htu shaw nna htaw sa na matu kungkyang ai ndai bucket gaw 0.1m3 (mini htu ai ni a matu hkan sa mai ai) kaw nna 10m3 (mining kaba htu ai ni a matu kaja dik ai) du hkra, n-gun kaba ai atsam hpe jaw ya ai. Bucket capacity hpe bungli masa hte arung arai amyu myu hpe madung tawn nna, kaja dik ai bungli galaw lu na matu shadawn shadang tawn da ai. Bucket teeth (pointed (sh) flat) hpe gaw, htu shaw ai lam hpe grau law hkra galaw lu na matu, arung arai n-gun hte maren lata la ai.

Dai htu shaw ai wa a bungli galaw ai ladat gaw, jak hpaji, hka hpe hkang zing ai lam, arung arai hpaji ni hpe hpawng de da ai. Hydraulic system hpe hkrak hkrak hkang lu ai hku nna, dai gaw, n-gun ja ai n-gun hpe hkum tsup ai hku shinggrup lu ai, dipper arm hpe atsawm sha gram lajang lu ai, bucket a bungli law law hpe galaw lu ai, dai gaw, npawt nhpang ga ntsa htu ai kaw nna, grai sawng ai laksan bungli ni du hkra, hkum tsup ai-scenario application ni hpe hpring tsup hkra galaw lu ai. Ndai hkrang shapraw ai lam gaw, bungli galaw ai shara, htu lu ai atsam, ngang grin ai lam, n-gun lang ai lam lapran hta kaja dik ai rap ra lam hpe tam ra ai, dai gaw htu shaw ai wa a "performance benchmark" a madung shingjawng ai lam hpe hpaw shabawn ya ai.

Excavator bucket ni hpe gaw exvator bucket ngu nna tsun shaga ma ai. Magam bungli galaw ra ai lam ni hte arung arai ni a arawn alai ni hpe yu nna, amyu myu hte masat da ai lam ni hpe garan ginhka da ai. Common amyu ni hta, masat da ai bucket ni (n-gun ja ai n-gup hte n-gun ja ai n-gup hte n-gun ja ai hkum hkrang ni hte n-gun ja ai n-gup n-gu ni lawm ai, lung seng zawn re ai n-gun ja ai arung arai ni hte, lung seng ni hpe htu shaw na matu, n-gun ja ai n-gup n-gu ni lawm ai), hte grate bucket ni hpe (ga hte nhprang wan htu ai aten hta garan ginhka ai grid structure hte, hka htung htu ai hte arung arai ni hpe jep chyoi na matu law law lang lang ai grid structure hte) ni lawm ai. Bucket amyu myu hpe lawan ladan galai shai nna, lawan ai- galai shai ai jak ni hku nna, gawgap bungli amyu myu hpe hkap la lu na matu galai shai mai ai.

Bungli ra ai lam ni hte maren, bucket hpe lawu na garan ginhka ai lam ni hku nna garan mai ai, langai hte langai gaw asan sha yaw shada ai lam nga ai:

Magam bungli galaw ai lam hpe jat wa ai lam hta: Htinggaw hpe lawan ladan- galai shai ai ladat hpe lang nna, lung seng htu ai ni (lung hte concrete hpe daw kau na matu), grab bucket ni (hpun hte hka n-gun ni hpe hparan na matu), ga nhpu hpe n-gun ja hkra galaw na matu) hte hydraulic shears ( metal structures ni hpe daw kau na matu), grab bucket (hpun hte hka n-gun ni hpe hparan na matu), grab bucket ni (hpun hte hka htung ni hpe hparan na matu), hte hydraulic shears ni lawm ai. Ndai galai shai ai lam gaw, htu shaw ai wa hpe, htu shaw ai jak langai kaw na, "multi{3}}functional engineering" de galai shai kau ya ai, dai gaw, municipal bungli masing ni, lung seng htu sha ai lam ni, jahten sharun ai bungli ni zawn re ai bungli galaw ai lam amyu myu hpe hkan sa lu ai.

Excavator bucket ni hpe shanhte a bungli (sh) hkrang shapraw ai lam hpe madung tawn nna shamying ai (ga shadawn, lung seng htu ai a matu "rock bucket", shi a lawu na grate structure a matu "grate bucket"). Madung tara gaw ** "condition adaptation" ** ** {3} n bung ai bucket ni hpe npawt nhpang galai shai ai lam (n-gup n-gun, n-gup n-gu, hpaw ai) hte arung arai ni hpe lata la ai lam ni hte galaw da ai (hpun palawng n-gun n-gun, n-gang n-gang, n-gun kaba ai n-gang) ni hte galaw da ai.

Hkrang shapraw ai ni a lam hpe hkrak tup tsun dan ai: Features, tang shawn ai lam ni, hte lata la ai lam ni

Ndai prat na engineering hta madung jak ni hku nna, htu shaw ai ni hpe mung shawa engineering, lung seng htu sha ai lam, mare kata na npawt nhpang gawgap bungli ni hta grai lang ma ai. Mobility amyu, bungli galaw ai yaw shada lam, galu kaba ai lam ni hku nna garan ginhka ai, htu shaw ai ni gaw madung hku nna, hkan tam ai htu shaw ai ni, leng hte htu ai htu shaw ai ni, mini htu shaw ai ni. hpan shagu gaw laklai ai hkrang shapraw ai lam ni, laksan jai lang ai lam ni, laklai ai akyu ara ni hte shadawn sharam ai lam ni hpe gumrawng nga ai. Ndai laika buk gaw, user- hpe garan jaw ai data table ni hpe jai lang nna, bungli galaw ai lam a npawt tara ni hpe shinggrup da ai, tengman ai{4}}mungkan ting na mabyin masa ni, shingdaw ai lam ni hte n kaja ai lam ni hpe jai lang nna, laika hti ai ni hpe engineering bungli masing ni hta shanhte a tatut jai lang mai ai manu hpe hkum tsup hkra chye na hkra karum ya lu ai.

1. Track htu ai jak: yak hkak ai shara hta ngang grin ai bungli galaw na matu madung n-gun atsam

Track- n-gun jaw ai htu shaw ai ni gaw, madung lam langai mi hte hkan tam ai shamu shamawt lam ni hpe jai lang ma ai: npu na ga n-gun n-gun (typically 0.5kg/cm2 a lawu de). Ndai hkrang shapraw ai lam gaw, n hkru n kaja ai, n-gun n rawng ai, shing nrai, n-gun n rawng ai shara ni hta laklai ai off{3}} lam hpe galaw lu shangun ai. Dai hkan tam ai ladat gaw, n-gun hpe maren mara garan gachyan ya ai majaw, hka n htum hkra, lamu ga n-gun hpe shayawm ya ai majaw, n-gun ja ai-duty matut manoi bungli galaw na matu grai kaja ai. Dai hta n-ga, n-gun ja ai chassis structure gaw, n-gun ja ai lit ni hpe hkam sharang lu ai gaw, lung seng htu sha ai bungli ni hta grai kaja ai bungli galaw ai lam hpe madun dan nga ai.

Tracked htu ai ni gaw, n bung ai jai lang ai lam ni hta mau hpa laklai ai lam ni hpe madun dan ai. Shanhte a htunghking lit ni hta lai nna, lung seng htu sha ai bungli,{1}} scale npawt nhpang gawgap bungli kaba ni (lam gawgap ai lam hte hka htung htu ai lam ni lawm ai), hte hkai sun lamu ga hka lim ai lam ni hpe gram lajang ai lam ni hta lai nna, ndai jak ni hpe tsin-yam tsindam ni hpe shayawm ai lam hta grai law hkra jai lang nga ai ( post{2}eearthquake debris debris debris clearance zawn re ai) hte sanghpaw daru kaba ni hpe gawgap ai lam ni hta grai law hkra jai lang nga ai. Ga shadawn madung langai gaw, Yangtze hka nu ntsa na Three Gorges Dam masing hta shanhte hpe n-gun jaw ai lam rai nna, dai shara hta shanhte gaw grai sawng ai ga hpe shamu shamawt ai hte rock{4}} hka mat ai bungli ni hpe galaw ma ai. Laksan htu htu ai atsam (300kN hpe gap ai) hte sung ai htu shaw ai atsam (8 metres jan), ndai jak ni gaw n mai garan ginhka ai engineering ladat ni tai wa sai. Ndai hpaga lam hta Caterpillar 320 series zawn re ai ton 20-50 daram hpe madun da ai, dai gaw madung hku nna diesel sau hte galaw ai. Operator ni gaw, grai law ai n-gun n-gun hpe koi gam na matu, n-gun ja ai shara (ga shadawn, concrete) hta aten galu bungli galaw ai lam hpe koi ra ai.

N-gun atsam hte gawng kya ai lam ni: Akyu ni hta ngang grin ai lam grai law ai hte n-gun ja ai hku htuk manu ai lam ni lawm ai, n kaja ai lam ni gaw n-gun n rawng ai shamu shamawt lam ni lawm ai (ga shadawn 5km/h npu na 5km/h), shara htawt sit na matu trailer ni hpe kam hpa ai lam, lam hpe hkra machyi shangun chye ai. Industry a masa ni gaw, hpaji rawng ai hpaji masa ni rawt jat wa ai hte maren, dai ni na aten na hkan tam ai htu shaw ai ni gaw, bungli galaw lu ai atsam hte shim lum lam hpe jat wa hkra, GPS navigation hte tsan tsan kaw nna yu reng ai ladat ni hpe hpawng de nga ai hpe madun nga ai.

2. Wheel htu shaw ai lam: Mare kaba makau grup yin ni hta galai shai mai ai hte hkrak ai lata la ai lam

Wheeled htu ai ni gaw, shanhte a shamu shamawt ai lam hku nna, tyre ni hpe jai lang ai, hkan tam ai model ni hta grau nna laklai ai akyu ni hpe jaw ya ai. Shanhte a madung akyu ni gaw, tsaw ai{1}}}speed bungli (40{6}}50 km/h), n-gun n rawng ai shara htawt sit ai atsam, hte lam n law ai (ga npu na matut mahkai ai lam hpe 1-2 kg/cm2 daram hte n-gun n rawng ai) ni lawm ai. Ndai hkrang shapraw ai lam gaw, mare kaba de galai shai wa ai lam ni hta grau nna akyu rawng hkra galaw ya ai, grau nna, shara galai shai ra ai mabyin masa ni a matu. Shanhte a hydraulic system ni gaw, lawan ai hku galai shai ai ladat ni hpe lang nna, loi loi hte galaw lu na matu hte municipal ra sharawng ai lam ni hpe lawan ai hku bai htang lu na matu galaw ya ai.

Shani shagu na sak hkrung lam hte grai ni htep ai hku jai lang ai lam amyu myu hte, mawdaw leng ni gaw mare kaba lam hpe gram lajang ai lam, mare salang ni a bungli masing ni (pipeline jung ai hte lamu ga hpe gram lajang ai zawn re ai) ni lawm ai ahkyak ai npawt nhpang ra kadawn ai lam ni hpe madung tawn nna galaw ai. Shanhte gaw lawan ladan gram lajang ai lam (pipeline rupture ngut ai hpang lawan ai hku htu shaw ai zawn re ai) hte wuhpung wuhpawng hpe bai gram lajang ai lam ni hta mung ahkyak ai lam hpe sakse madun dan ma ai. Ga shadawn madung langai gaw, Beijing mare na mare kaba ni hpe bai gram lajang ai bungli masing ni hta shanhte hpe jai lang ai lam rai nga ai, dai shara hta, 360℃galai shai ai atsam ni hte, n-gun n rawng ai lam ni hta, lamu ga kata na pipeline hpe hkrak hkra gram lajang lu ai, mawdaw lam hpe hkra machyi shangun ai lam ni hpe shayawm kau lu ai. Komatsu a PW series zawn re ai brand ni gaw, hydraulic cutters hte cleaning brush ni zawn re ai laklai ai lam ni hpe law law lang madun dan ai majaw, shanhte a multitasking efficiency hpe grai jat ya ai.

Advantages hte n kaja ai lam ni hpe sawk sagawn ai lam: Madung akyu ni gaw, shamu shamawt ai lam grai law ai hte sau jai lang ai lam yawm ai (gaw hkan tam ai mawdaw ni hta 15% daram n law ai), n kaja ai lam ni gaw n-gun kya ai- lam n-gun yawm ai lam, n-gun n rawng ai shara ni hta hkrat sum na hkrit tsang lam grau law wa ai, hkan tam ai mawdaw ni hte shingdaw yang loi mi n kaja ai ngang grin ai lam ni lawm ai. Ya aten na masa gaw, wan n-gun jat wa ai lam de sit sa wa nga ai, BYD a wan n-gun hte galaw ai excavator hku nna kasi madun nga ai, dai gaw nsen n law ai hte zero emissions ni hte bungli galaw ai, mare kata na grup yin hpe makawp maga ra ai lam ni hte maren rai nga ai.

3. Mini htu shaw ai wa: Hkap tawn da ai shara ni a matu hkrak ai hpaji ninghkring

Mini exavators ngu nna mung shamying ai, n-gun rawng ai hkum hkrang ni hpe madun da ai (typically 1-6 tons) hte bungli galaw ai lam hta grai law ai galai shai ai lam ni hpe madun da ai. Dai ni hpe hydraulic hammer, bucket, shing nrai drill zawn re ai attach amyu myu hpe bang da nna, bungli law law galaw lu ai. Gravity n law ai hte lamu ga ntsa na n-gun kaba ai hte galaw da ai, ndai jak ni gaw grup yin hpe hkra machyi ai lam hpe shayawm kau ai sha n-ga, pat shingdang da ai shara ni hta hkrak hkrak bungli galaw lu ai.

Shi a jai lang ai lam ni gaw mau hpa hte hkrak hkrak rai nga ai, jai lang ai wa- hpe masat da ai bungli ni hta shinggrup da ai nta kata na jahten sharun ai lam ni hpe shinggrup da ai, lamu ga hpe gawgap ai lam (hpun htu ai hka htung ni hta hpun hkai ai lam hte hkai sun galaw ai hka htung ni hta hpun hkai ai lam lawm ai), hte lamu ga npu na bungli galaw ai lam ni hpe galaw ai lam ni (npu nta gawgap ai lam hte hka htung htu ai lam zawn re ai) ni rai nga ai. Dai hta n-ga, mini htu shaw ai ni hpe hkai lu hkai sha ai lam, htunghking sawk sagawn ai lam ni, nta wang kata na masing ni hta grau grau hkap la nga ai. Myit yu hpa langai gaw, Shanghai Disneyland a shingra tara hpaji masa hta shanhte lang ai lam rai nga ai, ndai n-gun ja ai jak ni gaw hpun n-gang ni hte hkrang sumla ni hpe hkrak sha galaw ya ai. Shanhte a micro{4}}} ni a atsam (1{6}}3 metres htu ai shara) hte nsen n-gun n law ai hkrang (70 a npu) hpe hkam sha chye ai shara ni hta grup yin hku hkau lam hpe madi shadaw ya ai. Kubota a U10 series zawn re ai masha law law nga ai model ni, wan n-gun (sh) hybrid n-gun lata la mai ai lam ni hta lu mai ai, nta kata na bungli galaw na matu nbung n-gun ra ai lam ni hpe hkan sa lu ai.

Htinggaw ni hpe lata ai shaloi, bungli galaw ai lam a npawt tara masum hpe hkan sa ai hta n-ga, dai jak a bungli galaw ai lam hte bungli galaw ai lam a matu jai gumhpraw yawng hpe tup hkrak jep joi na matu ahkyak nga ai. Power system lata ai lam a matu, engine a masat da ai n-gun, torque reserve coefficient, sau jai lang ai lam ni hpe grau nna myit maju jung ra ai. tsaw ai-altitude (sh) tsaw ai- ai aten hta, n-gun n rawng ai shara ni a matu laksan galaw da ai engine ni hpe hpaji jaw da ai. Ndai engine ni gaw, nbung hte katsi ai shara ni hpe hkap la lu na matu, dai zawn re ai makau grup yin ni hta ngang grin ai hte n-gun rawng ai n-gun hpe hkam la lu na matu, turbocharging hte n law ai turbocharging hte n-gun n law ai-up karum shingtau lam ni hpe madun dan ai. Hydraulic system a bungli galaw ai lam gaw ahkyak ai, hpa majaw nga yang, madung pump a lwi ai lam, system bungli galaw ai n-gun, hte hydraulic arung arai ni a mahtai lawan ai lam gaw bungli galaw ai lam hta n-gun atsam hte hkrak ai lam hpe hkang lu ai atsam ni hpe hkrak dawdan ya ai. Ndai parameters ni hpe grau kaja hkra galaw na matu, n-gun n-gun n-gun-}sense system (sh) negative flow control system ni lawm ai model ni hpe grau ra sharawng ai. Ndai system ni gaw load ra ai lam ni hpe madung tawn nna flow rate hpe shi hkrai shi gram lajang ya ai, dai hku nna n-gun sum ai lam hpe shayawm ya lu ai. Dai hta n-ga, jak rung ni hpe shalan shabran ai hte hpaji rawng ai hku gram lajang ai lam ni hpe mung n mai malap kau ai. Spacious cab ni, hka ntsa e nga ai dung shara ni, hte multi{13}}} directional galai shai ai lam ni gaw operator a n-gun yawm ai lam hpe hkrak sha shayawm ya lu ai. Reverse camera system ni, radar sadi jaw ai ladat ni, tsan tsan kaw nna yu reng ai shara ni zawn re ai hpawng de da ai lam ni gaw bungli galaw ai lam hta shim lum lam hte hparan hpareng ai lam hpe grau nna jat wa shangun ai.

Maintenance gaw, htu shaw ai magam bungli prat hpe jat ya lu na matu hte bungli galaw ai lam hpe kam hpa mai ai lam hpe madi shadaw ya lu ai npawt nhpang hku nna magam gun nga ai. Ahkyak ai gram lajang ai aten ni hta arawn alai hku galaw ai lam ni hta lai nna, hkrang shapraw ai gram lajang ai lam hpe gawgap na matu ahkyak nga ai. Shani shagu jep joi ai lam ni gaw, bungli galaw ai lam yawng hpe shinggrup ra ai: Bungli n galaw shi yang, wan sau, hydraulic ntsin, hte katsi ai madang ni hpe jep joi ai lam; Tire/tread tension hpe jep yu u; hte n-gup magap yawng hta bolt tightness hpe jep yu u. Post{3}}operation, machine hkum kaw na ga hte nlung ni zawn san seng ai nhprang arai ni, bucket hte bucket ni zawn re ai n-gun kya ai arung arai ni hta bu hpun nna, hkra machyi ai daw ni hpe lawan ladan galai kau u. Hydraulic ntsin gaw, hkying hkum 2,500-3,000 ngut ai hpang, galai shai ra ai raitim, aten tup gram lajang ai lam gaw aten ladaw hte hka hpe sawk sagawn ai mahtai lahkawng yan hpe myit yu ra ai. Chyam dinglik ai lam ni hta, n-gun grai ja ai n-gun (sh) hka n-gun rawng ai hpe mu lu ai rai yang, kalang ta hka hpe galai shai ra nna, daw ni hpe jep yu ra ai. Structural components ni a matu, hkying hkum 5,000 shagu crack hpe sawk sagawn nna, boom arms hte bucket rods zawn re ai ahkyak ai daw ni a hinge shara ni hpe jep yu u. Pi hte bushing lapran hta hkrak ai clearance hpe sadi ra ai, structural deformation hpe makawp maga na matu grai law ai n-gun hpe hparan na. Wan n-gun hpe gram lajang ai lam gaw maren sha ahkyak ai: Wiring harnesses kaw na san seng ai hte oxidation, battery charge hte electrolyte density hpe jep yu ai, ngang grin ai npawt nhpang hte hkang zing ai ladat ni hpe n-gun jaw ai. Magam bungli langai hpra a aten, hparan ai arung arai ni hpe ka da ai, daw ni hpe hkrak tup gram lajang ai lam ni hpe ka da ai, daw ni hpe labau hte seng ai arung arai ni hpe hkan tam ai lam hte chye da ai gram lajang ai lam ni hpe dawdan lu ai. Tatut hta, bungli galaw ai makau grup yin n bung ai hte maren, gram lajang ai ladat hpe gram lajang ra ai. Ga shadawn, nhprang n-gun n rawng ai shara hta, nbung shingnip a galai shai ai lam hpe kadun hkra galaw ra ai, wan n-gun hpe n-gun n rawng ai hku tsi lajang ai lam hpe hka lim ai makau grup yin hta n-gun shaja ra ai, dai hku nna, htu shaw ai wa a prat hkrun lam ting hpe hpaji masa hku hparan ai lam hpe chye na hkra galaw ra ai.

Hi, ngai gaw ndai laika ka ai Jason Wang re. Anhte gaw, mungkan ting na mungdan 50 jan na hpaga lam ni hpe, n-gun ja ai{2}} manu dan ai daw ni hpe jaw ya ai hta, 15 ning jan mahkrum madup nga ai. Repair shop kaji ni kaw nna, garan gachyan ai kaba ni du hkra, anhte a customers ni gaw, hpaga lam a madang ni hpe hkan sa ai ngang grin ai hte hkrak ai excavator daw ni a matu anhte hpe kam hpa ma ai. Anhte a galu kaba ai arung arai ni hta, htu shaw ai jak ni, rubber mounts ni, hka htung ni, hka htung ni, wan jak ni, undercarriage daw ni, hte kaga lam ni hta, amyu myu hte hkrang bung sumla ni hpe shinggrup da ai. Gawgap ai lam, lung seng htu ai lam, hkai lu hkai sha ai lam, shing nrai, jak rung kaba ni hpe jai lang ai lam ni a matu rai tim, anhte a daw ni hpe ra kadawn ai bungli masa ni hpe hkam sharang lu hkra galaw da ai, kam mai ai bungli galaw ai lam hte aten galu magam bungli prat hpe hkam la lu na matu.

yi nga ai lam; ji jaw ga ni:ttps://www.facebook.com/ziyu.wang.942.