CN108146174A - One kind is used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism - Google Patents

One kind is used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism Download PDF

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Publication number
CN108146174A
CN108146174A CN201711275521.8A CN201711275521A CN108146174A CN 108146174 A CN108146174 A CN 108146174A CN 201711275521 A CN201711275521 A CN 201711275521A CN 108146174 A CN108146174 A CN 108146174A
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CN
China
Prior art keywords
guide rod
bridge
fixing axle
crossbeam
upper bracket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711275521.8A
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Chinese (zh)
Other versions
CN108146174B (en
Inventor
周开平
常凯
柳玉龙
范江鹏
王治伟
桑盛远
高源�
赵海兴
任肖利
杨建勇
刘德宁
马艳卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
Original Assignee
Taiyuan Institute of China Coal Technology and Engineering Group
Shanxi Tiandi Coal Mining Machinery Co Ltd
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Publication date
Application filed by Taiyuan Institute of China Coal Technology and Engineering Group, Shanxi Tiandi Coal Mining Machinery Co Ltd filed Critical Taiyuan Institute of China Coal Technology and Engineering Group
Priority to CN201711275521.8A priority Critical patent/CN108146174B/en
Publication of CN108146174A publication Critical patent/CN108146174A/en
Application granted granted Critical
Publication of CN108146174B publication Critical patent/CN108146174B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G9/00Resilient suspensions of a rigid axle or axle housing for two or more wheels
    • B60G9/02Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
    • B60G11/04Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially parallel to the longitudinal axis of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/001Suspension arms, e.g. constructional features
    • B60G7/003Suspension arms, e.g. constructional features of adjustable length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/30Rigid axle suspensions
    • B60G2200/32Rigid axle suspensions pivoted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10Type of spring
    • B60G2202/11Leaf spring
    • B60G2202/112Leaf spring longitudinally arranged

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention belongs to the technical fields of Discussion on Auxiliary Trackless Transport in Coal Mine equipment, and in particular to one kind is used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism.Including upper guide rod I, upper guide rod II, lower guide rod I, lower guide rod II, leaf spring, lower fixing axle, rotating disc and fixing axle, upper I one end of guide rod and bridge upper bracket I connect, another end carriage upper bracket I connects, upper II one end of guide rod is connect with bridge upper bracket II, and the other end is connect with beam upper bracket II;Lower I one end of guide rod and bridge undersetting I connect, the other end is connected with connecting seat, lower II one end of guide rod and bridge undersetting II connect, the other end is connected with connecting seat, connecting seat is mounted in lower fixing axle, bridge undersetting I is mounted on bridge upper bracket II on wet type bridge II, and bridge undersetting II is mounted on bridge upper bracket I on wet type bridge I.The present invention improves ride performance, control stability and handling capacity of the explosionproof transport vehicle in underground coal mine.

Description

One kind is used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism
Technical field
The invention belongs to the technical fields of Discussion on Auxiliary Trackless Transport in Coal Mine equipment, and in particular to one kind is used for coal mine explosion-proof Transport the defeated chassis Suspension control mechanism of monoblock type.
Background technology
Coal mine explosion-proof transport vehicle is usually in environment very severe, operating mode is special, pot hole is uneven, ponding is more and coal It is run in the larger small space of powder, but reduces the height of explosionproof transport vehicle, the ride performance of improvement explosionproof transport vehicle, behaviour Handing stability and underground Uneven road and load change have ideal kinetic characteristic be always coal mine auxiliary trackless transport neck Domain needs technical barrier urgently to be resolved hurrily.
At present, the chassis suspension of explosionproof transport vehicle is all that leaf spring is individually directly rigidly attached on vehicle frame, ride comfort, Stability is poor, short life, will not ensure that all tire contacts ground simultaneously, takes turns when driving on the rough road of underground The phenomenon that tire is hanging causes the adhesive force of tire road pavement to become smaller even zero therewith.If front steering tire is hanging, explosion-proof fortune Defeated vehicle maneuvering capability substantially reduces so that loss of control, if tire on the drive wheels is hanging, cannot generate enough driving forces, explosion-proof fortune The power of defeated vehicle can not be played most preferably, make explosionproof transport vehicle human oriented design poor, there is safety in terms of auxiliary trackless transport Hidden danger.
Invention content
The present invention to solve the above-mentioned problems, provides a kind of for the coal mine explosion-proof fortune defeated chassis Suspension control machine of monoblock type Structure.
The present invention takes following technical scheme:One kind transports the defeated chassis Suspension control mechanism of monoblock type for coal mine explosion-proof, Including upper guide rod I, upper guide rod II, lower guide rod I, lower guide rod II, leaf spring, lower fixing axle, rotating disc and fixing axle, on I one end of guide rod and bridge upper bracket I connect, and another end carriage upper bracket I connects, and upper II one end of guide rod connects with bridge upper bracket II It connects, the other end is connect with beam upper bracket II, and beam upper bracket I and beam upper bracket II are arranged on crossbeam both sides back-to-back, and crossbeam is fixed In lower fixing axle, leaf spring centre position is oppositely arranged on rotating disc, and leaf spring end positions are freely arranged on sliding plate support, Rotating disc is supported in fixing axle, and leaf spring and rotating disc are rotated by axis of fixing axle;Lower I one end of guide rod and bridge undersetting I Connection, the other end are connected with connecting seat, and lower II one end of guide rod and bridge undersetting II connect, and the other end is connected with connecting seat, even Joint chair is mounted in lower fixing axle, and bridge undersetting I is mounted on bridge upper bracket II on wet type bridge II, and bridge undersetting II on bridge with propping up Seat I is mounted on wet type bridge I.
The crossbeam is mounted on by right support beam and left support beam in lower fixing axle, and right support beam and left support beam are left The right side is arranged symmetrically, and right support beam is bolted to be fixed with right crossbeam and crossbeam, left support beam by bolt and left crossbeam and Crossbeam is fixed, and lower fixing axle is fixed by flat key II and right support beam and left support beam.
The crossbeam is groove profile steel construction, and crossbeam both ends are mounted on left crossbeam and right crossbeam top airfoil under by bolt The lower aerofoil of aerofoil, left crossbeam and right crossbeam, which is bolted, to be fixed on right support beam and left support beam.
The bridge upper bracket I and bridge upper bracket II is welded on centre position above axle housing, bridge undersetting I and bridge undersetting II with being bolted below axle housing both ends.
The rotating disc is supported on by bearing I and bearing II in fixing axle, and rotating disc outer end is fixed by end cap, is turned Setting limiting outside framework oil seal between Moving plate and fixing axle, rotating disc inner end are connect with fixed disk, and bearing II passes through locknut and locking plate Carry out axial gap adjustment and limiting.
Float grease seal between the fixation disk and rotating disc is set, sealing ring is set between fixed disk and fixing axle, is turned Pump nozzle is set on Moving plate.
The fixing axle is mounted on by flat key I in left support beam, and fixing axle outer end is locked by self-locking nut.
The upper guide rod I, upper guide rod II, lower guide rod I are identical with lower II structure of guide rod and are hollow pipe fitting Structure, upper guide rod I, upper guide rod II, lower guide rod I and lower guide rod II are threaded in the spiral shell of special spiral rod both ends setting On line connector, and locked by location nut, upper guide rod I, upper guide rod II, lower guide rod I and lower II outer end of guide rod Oscillating bearing is installed, oscillating bearing is positioned by clamp spring.
Compared with prior art, aiming at the deficiency of background technology, design is a kind of to be prevented the purpose of the present invention for coal mine Quick-fried transport vehicle monoblock type chassis Suspension control mechanism changes leaf spring and wet type bridge and rotating disc, the setting side of vehicle frame by design Formula and guide rod and lower fixing axle and the link mechanism of wet type bridge radial type, ensure all tire and the good contact on ground, Ride performance, control stability and handling capacity of the explosionproof transport vehicle in underground coal mine are improved, improves coal mine chassis suspension The service life of mechanism plays the optimum performance of vehicle, ensures coal mine auxiliary trackless transport safety.
Description of the drawings
Fig. 1 is schematic front view of the present invention;
Fig. 2 is schematic top plan view of the present invention;
Fig. 3 is schematic cross-sectional view of the present invention;
Fig. 4 is guide rod schematic diagram of the present invention;
Fig. 5 is Fig. 3 partial enlarged views;
In figure:1- wet types bridge I, 2- bridges upper bracket I, 3- axis pins, the upper guide rods I of 4-, 5- leaf springs, 6-U type bolts, 7- beam upper brackets I, 8- beam upper bracket II, the upper guide rods II of 9-, 10- bridges upper bracket II, 11- sliding plate supports, 12- wet types bridge II, 13- bridge undersettings Guide rod I under I, 14-, 15- connecting seats, 16- fixing axles, 17- stay bolts, fixing axle under 18-, 19- right support beams are led under 20- To bar II, 21- bridges undersetting II, 22- left support beams, the right crossbeams of 23-, the left crossbeams of 24-, 25- tires, 26- crossbeams, 27- fixes Disk, 29- bearings I, 30- rotating discs, 31- bolts I, 32- bearings II, 33- end caps, 34- outside framework oil seals, 35- lock rings, 36- locknuts, 37- sealing rings, 38- flat keys I, 39- self-locking nuts, 40- flat keys II, 41- bolts II, 42- oscillating bearings, 43- location nuts, 44- special spiral rods, 45- clamp springs, 46- pump nozzles.
Specific embodiment
It is provided by the invention a kind of for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism, including upper guide rod I 4, upper guide rod II 9, lower guide rod I 14, lower guide rod II 20, leaf spring 5, U-bolt 6, lower fixing axle 18, rotating disc 30, solid Dead axle 16, fixed disk 27, right support beam 19, left support beam 22.Upper I 4 one end of guide rod and bridge upper bracket I 2 connect, the other end Beam upper bracket I 7 connects, and upper II 9 one end of guide rod and bridge upper bracket II 10 connect, and the other end and beam upper bracket II 8 connect, under lead It is connected to I 14 one end of bar and bridge undersetting I 13, the other end and connecting seat 15 connect, lower II 20 one end of guide rod and bridge undersetting II 21 connections, the other end and connecting seat 15 connect.Upper guide rod I 4, upper guide rod II 9, lower guide rod I 14 and lower guide rod II 20 be articulated con-rod mechanism, transmits vehicle tractive force, brake force and the corresponding moment of reaction, improves the traveling smooth-going of vehicle Property and control stability.5 centre position of leaf spring is oppositely arranged on rotating disc 30, is fixed by U-bolt 6, and end positions are certainly By being arranged on sliding plate support 11, rotating disc 30 is supported on by bearing I 29, bearing II 32 in fixing axle 16, leaf spring 5 and rotation Disk 30 is rotated with fixing axle 16 for axis.When passing through rough ground, ensure all tire and ground good contact.
In said program, leaf spring 5 is that longitudinal direction is symmetrically arranged in the both sides of right support beam 19, left support beam 22, intermediate Position is oppositely arranged on rotating disc 30, is fixed on rotating disc 30 with U-bolt 6, and end positions are freely arranged on slide plate branch In frame 11.
Sliding plate support 11 is bolted on the axle housing of wet type bridge I 1 and wet type bridge II 12.
In said program, upper I 4 one end of guide rod is connected by axis pin 3 and bridge upper bracket I 2, and the other end passes through 3 He of axis pin Beam upper bracket I 7 connects.
In said program, upper II 9 one end of guide rod is connected by axis pin 3 and bridge upper bracket II 10, and the other end passes through axis pin 3 It is connected with beam upper bracket II 8.
In said program, lower I 14 one end of guide rod is connected by axis pin 3 and bridge undersetting I 13, and the other end passes through axis pin 3 It is connected with connecting seat 15.Lower guide rod I 14 is arranged symmetrically in II 12 both ends lower part of wet type bridge.
In said program, lower II 20 one end of guide rod is connected by axis pin 3 and bridge undersetting II 21, and the other end passes through axis pin 3 and lower fixing bracket 15 connect.Lower guide rod II 20 is arranged symmetrically in I 1 both ends lower part of wet type bridge.
In said program, upper guide rod I 4, upper guide rod II 9, lower guide rod I 14, lower guide rod II 20 are hollow pipe fitting Structure, adjustable in length, 44 both ends of special spiral rod are threaded connector connection guide rod both ends, are locked with location nut 43.It leads Oscillating bearing 42 is installed to bar both ends, clamp spring 45 is used for positioning joint bearing 45.This structure type can be adjusted since tire is jumped Guide rod torsional deformation caused by dynamic.
Lower guide rod I 14, lower guide rod II 20, upper guide rod I 4, upper guide rod II 9 are had strong using hollow pipe fitting structure The advantages that degree is high, light weight.
Bridge upper bracket I 2 and bridge upper bracket II 10 are welded on centre position above axle housing.
Bridge undersetting I 13 and bridge undersetting II 21 are with being bolted below axle housing both ends.
Beam upper bracket I 7 and beam upper bracket II 8 are arranged in 25 both sides of crossbeam back-to-back, are fixedly connected by bolt 41.
Right support beam 19 and left support beam 22 are symmetrically arranged, right support beam 19 be bolted with right crossbeam 23 and Crossbeam 26 is fixed, and left support beam 22 is fixed by bolt and left crossbeam 24 and crossbeam 26.
In said program, rotating disc 30 is supported on by bearing I 29 and bearing II 32 in fixing axle 16, and outer end passes through end cap 33 fix, and rotating disc 30 and the setting limiting outside framework oil seal 34 of fixing axle 16, bearing II 32 carry out axis by lock ring 35 and locknut 36 It adjusts and limits to gap.Rotating disc 30 is rotated with fixing axle 16 for axis.
In said program, float grease seal 28 is set between fixed disk 27 and rotating disc 30, fixed disk 27 and fixing axle 16 it Between sealing ring 3 is set, pump nozzle 46 is set on rotating disc 30.Gap is 3mm between fixed disk 27 and rotating disc 30, ensures to float 28 good lubrication of oil sealing, it is oil-proof.
Fixing axle 16 is mounted on by flat key I 38 in left support beam 22, and outer end is locked by self-locking nut 39.
In said program, rotating disc 30, fixed disk 27, fixing axle 16, bearing I 29, bearing II 32,33 chassis of end cap or so It is arranged symmetrically.
Lower fixing axle 18 is fixed by flat key II 40 and right support beam 19 and left support beam 22.
Connecting seat 15 is symmetrically arranged, and is fixed together by stay bolt 17 and lower fixing axle 18 and axis pin 3.
Crossbeam 25 is groove profile steel construction, and both ends are mounted on left crossbeam 24 and 23 top airfoil of right crossbeam and bottom wing by bolt Face.
In said program, right support beam 19 and left support beam 22 are arranged symmetrically in chassis both sides, are bolted on a left side The lower aerofoil of crossbeam 24 and right crossbeam 23.
For explosionproof transport vehicle in underground road traveling, the vertical impact forces of upper and lower directions suffered by tire 25 pass through wet type bridge I 1st, wet type bridge II 12, leaf spring 5, right support beam 19, left support beam 22 are driven on vehicle frame and vehicle body, and impact force is absorbed by leaf spring 5, dress The variation of load makes 5 both ends of leaf spring free to slide in sliding plate support 11.When impact force increases, guide rod can also limit leaf spring 5 Further deformation.
When explosionproof transport vehicle is by uneven road surface, at unevenness road surface, spring 5 is with turning for one of them or several tires 25 Moving plate 30 is rotated together with fixing axle 16 for fulcrum, and raising a tire will decline another tire, so as to ensure vehicle In uneven road surface when driving, each tire can land, and be not in the hanging phenomenon of tire.
Leaf spring 5 transmit ground in face of tire vertical force and and lateral force, upper guide rod I 4, upper guide rod II 9, lower guide rod I 14, lower guide rod II 20 is articulated linkage mechanism, ensures to transmit vehicle tractive force, brake force and the corresponding moment of reaction, carry Ride performance, control stability and the handling capacity of high coal mine explosion-proof transport vehicle improve coal mine vehicle monoblock type chassis suspension machine The service life of structure plays the optimum performance of vehicle, ensures auxiliary trackless transport safety.

Claims (8)

1. one kind is for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that:Including upper guide rod I (4), upper guide rod II(9), lower guide rod I(14), lower guide rod II(20), leaf spring(5), lower fixing axle(18), rotating disc (30)And fixing axle(16), upper guide rod I(4)One end and bridge upper bracket I(2)Connection, another end carriage upper bracket I(7)Connection, on Guide rod II(9)One end and bridge upper bracket II(10)Connection, the other end and beam upper bracket II(8)Connection, beam upper bracket I(7)With Beam upper bracket II(8)It is arranged on crossbeam back-to-back(26)Both sides, crossbeam(26)It is fixed on lower fixing axle(18)On, leaf spring(5)In Between position it is oppositely arranged in rotating disc(30)On, leaf spring(5)End positions are freely arranged on sliding plate support(11)On, rotating disc (30)It is supported on fixing axle(16)On, leaf spring(5)And rotating disc(30)With fixing axle(16)It is rotated for axis;Lower guide rod I (14)One end and bridge undersetting I(13)Connection, the other end and connecting seat(15)Connection, lower guide rod II(20)It is propped up under one end and bridge Seat II(21)Connection, the other end and connecting seat(15)Connection, connecting seat(15)Mounted on lower fixing axle(18)On, bridge undersetting I (13)With bridge upper bracket II(10)Mounted on wet type bridge II(12)On, bridge undersetting II(21)With bridge upper bracket I(2)Mounted on wet Formula bridge I(1)On.
It is 2. according to claim 1 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The crossbeam(26)Pass through right support beam(19)With left support beam(22)Mounted on lower fixing axle(18)On, right support beam(19) With left support beam(22)It is symmetrically arranged, right support beam(19)It is bolted and right crossbeam(22)And crossbeam(26)Gu It is fixed, left support beam(22)Pass through bolt and left crossbeam(24)And crossbeam(26)It is fixed, lower fixing axle(18)Pass through flat key II(40) With right support beam(19)With left support beam(22)It is fixed.
It is 3. according to claim 2 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The crossbeam(25)For groove profile steel construction, crossbeam(25)Both ends are mounted on left crossbeam by bolt(24)With right crossbeam(23)On Aerofoil and lower aerofoil, left crossbeam(24)With right crossbeam(23)Lower aerofoil be bolted and be fixed on right support beam(19)An and left side Supporting beam(22)On.
It is 4. according to claim 3 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The bridge upper bracket I(2)With bridge upper bracket II(10)It is welded on centre position above axle housing, bridge undersetting I(13)Under bridge Bearing II(21)With being bolted below axle housing both ends.
It is 5. according to claim 4 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The rotating disc(30)Pass through bearing I(29)With bearing II(32)It is supported on fixing axle(16)On, rotating disc(30)Outer end leads to Cross end cap(33)It is fixed, rotating disc(30)And fixing axle(16)Between setting limiting outside framework oil seal(34), rotating disc(30)Inner end With fixed disk(27)Connection, bearing II(32)Pass through lock ring(35)And locknut(36)Carry out axial gap adjustment and limiting.
It is 6. according to claim 5 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The fixation disk(27)And rotating disc(30)Between float grease seal is set(28), fixed disk(27)And fixing axle(16)Between set Put sealing ring(3), rotating disc(30)Upper setting pump nozzle(46).
It is 7. according to claim 6 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The fixing axle(16)Pass through flat key I(38)Mounted on left support beam(22)In, fixing axle(16)Outer end passes through self-locking nut (39)Locking.
It is 8. according to claim 7 for the defeated chassis Suspension control mechanism of coal mine explosion-proof fortune monoblock type, it is characterised in that: The upper guide rod I(4), upper guide rod II(9), lower guide rod I(14)With lower guide rod II(20)Structure is identical and is sky Heart fitting structure, upper guide rod I(4), upper guide rod II(9), lower guide rod I(14)With lower guide rod II(20)It is threaded in Special spiral rod(44)On the nipple of both ends setting, and pass through location nut(43)Locking, upper guide rod I(4), upper guide rod Ⅱ(9), lower guide rod I(14)With lower guide rod II(20)Outer end is installed by oscillating bearing(42), oscillating bearing(42)Pass through card Spring(45)Positioning.
CN201711275521.8A 2017-12-06 2017-12-06 One kind being used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism Active CN108146174B (en)

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CN201711275521.8A CN108146174B (en) 2017-12-06 2017-12-06 One kind being used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism

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Application Number Priority Date Filing Date Title
CN201711275521.8A CN108146174B (en) 2017-12-06 2017-12-06 One kind being used for coal mine explosion-proof transport vehicle monoblock type chassis Suspension control mechanism

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CN108146174B CN108146174B (en) 2019-09-13

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2913059Y (en) * 2006-02-09 2007-06-20 中国重型汽车集团泰安五岳专用汽车有限公司 Balancing apparatus for trailer plate-spring-type suspension
CN201304853Y (en) * 2008-11-17 2009-09-09 中国三江航天工业集团公司特种车辆技术中心 Non-driving bearing axle device for trailer
CN202242838U (en) * 2011-09-26 2012-05-30 湖北越奔重工有限公司 Rear axle suspension system of heavy wide dumper
CN102501734A (en) * 2011-11-07 2012-06-20 中国煤炭科工集团太原研究院 Suspension device for articulated explosion-proof vehicle in coal mine
CN102923193A (en) * 2012-11-22 2013-02-13 陕西重型汽车有限公司 Rear balanced suspension frame system of heavy-duty car
CN202782548U (en) * 2012-07-31 2013-03-13 四川昆仑石油设备制造有限公司 Suspension system based on multi-shaft locomotive double axles
CN103770592A (en) * 2013-04-12 2014-05-07 上海海鹏特种车辆有限公司 Semi-trailer
CN204196633U (en) * 2014-09-03 2015-03-11 中国重汽集团济南动力有限公司 A kind of heavy-duty tractor front suspension apparatus
JP2017047811A (en) * 2015-09-03 2017-03-09 日野自動車株式会社 Trunnion suspension

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2913059Y (en) * 2006-02-09 2007-06-20 中国重型汽车集团泰安五岳专用汽车有限公司 Balancing apparatus for trailer plate-spring-type suspension
CN201304853Y (en) * 2008-11-17 2009-09-09 中国三江航天工业集团公司特种车辆技术中心 Non-driving bearing axle device for trailer
CN202242838U (en) * 2011-09-26 2012-05-30 湖北越奔重工有限公司 Rear axle suspension system of heavy wide dumper
CN102501734A (en) * 2011-11-07 2012-06-20 中国煤炭科工集团太原研究院 Suspension device for articulated explosion-proof vehicle in coal mine
CN202782548U (en) * 2012-07-31 2013-03-13 四川昆仑石油设备制造有限公司 Suspension system based on multi-shaft locomotive double axles
CN102923193A (en) * 2012-11-22 2013-02-13 陕西重型汽车有限公司 Rear balanced suspension frame system of heavy-duty car
CN103770592A (en) * 2013-04-12 2014-05-07 上海海鹏特种车辆有限公司 Semi-trailer
CN204196633U (en) * 2014-09-03 2015-03-11 中国重汽集团济南动力有限公司 A kind of heavy-duty tractor front suspension apparatus
JP2017047811A (en) * 2015-09-03 2017-03-09 日野自動車株式会社 Trunnion suspension

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CP02 Change in the address of a patent holder

Address after: 030032 No.1, electronic street, Shanxi demonstration area, Taiyuan City, Shanxi Province

Co-patentee after: SHANXI TIANDI COAL MINING MACHINERY Co.,Ltd.

Patentee after: TAIYUAN INSTITUTE OF CHINA COAL TECHNOLOGY AND ENGINEERING Group

Address before: 030006 Shanxi Province, Taiyuan city and State Road No. 108

Co-patentee before: SHANXI TIANDI COAL MINING MACHINERY Co.,Ltd.

Patentee before: TAIYUAN INSTITUTE OF CHINA COAL TECHNOLOGY AND ENGINEERING Group