CN201456936U - Heavy dump truck axis for mine - Google Patents
Heavy dump truck axis for mine Download PDFInfo
- Publication number
- CN201456936U CN201456936U CN2009201289348U CN200920128934U CN201456936U CN 201456936 U CN201456936 U CN 201456936U CN 2009201289348 U CN2009201289348 U CN 2009201289348U CN 200920128934 U CN200920128934 U CN 200920128934U CN 201456936 U CN201456936 U CN 201456936U
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- 230000009467 reduction Effects 0.000 claims description 50
- 238000005065 mining Methods 0.000 claims description 12
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 3
- GNKXRMZGUNTBMD-UHFFFAOYSA-N [4-[(2-methylsulfanylpyrimidin-4-yl)amino]phenyl]arsonic acid Chemical compound CSC1=NC=CC(NC=2C=CC(=CC=2)[As](O)(O)=O)=N1 GNKXRMZGUNTBMD-UHFFFAOYSA-N 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 9
- 235000014676 Phragmites communis Nutrition 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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Abstract
The utility model relates to a heavy dump truck axis for a mine which mainly comprises a main speed reducer, a wheel edge speed reducer, a brake, an axis shell assembly, a half shaft, an upward-downward balance bar supporting seat, a left-right reed end saddle and the like. The mains speed reducer is connected with an axis shell through a bolt, the wheel edge speed reducer is connected with an axis shell half shaft casing pipe through a screw ring, the brake is connected with the axis shell through a bolt, wherein a brake drum is connected with the wheel edge speed reducer through a wheel fastening bolt, and the main speed reducer and the wheel edge speed reducer are connected through the half shaft. The heavy dump truck axis for the mine rationally designs structures of the axis shell, the main speed reducer, the wheel edge speed reducer, the brake, the left-right half shaft, the upward-downward balance bar supporting seat, and the left-right reed end saddle, thereby solving the defects of insufficient power performance, insufficient braking power, insufficient bearing ability, and easy breakage of upward-downward balance bar supporting seat and the like in dump trucks for mines, and improving the integral performance of the dump trucks for the mines.
Description
Technical field
The utility model belongs to the automotive axle technology, is specifically related to the vehicle bridge structure of quarry tipper.
Background technology
Nowadays China has stepped into the industrialization Rapid development stage, and to the also increase day by day of demand of resources such as mineral products, environment is abominable on the ore deposit, and the road surface situation is special, and the gradient is big, nearly all is irregular metal road or soft dirt road, and transportation device is proposed higher requirement.From technical standpoint, designs such as the tire of general truck, vehicle frame, suspension all are primarily aimed at over-the-road transportation, and in the face of non-over-the-road transportations soft, muddy, that climbing is many are not very suitable, and the general moving velocity of vehicle is slower in the ore deposit.Comprehensive above the analysis, each the heavy goods vehicles producer under this background is all low at a carrying capacity height of exploitation, operating efficiency height, use cost, long service life, price are moderate, the quarry tipper product that cost performance is high, this type of car maximum speed is about 50Km/h.Therefore need the vehicle bridge that a kind of transmission speed ratio is big, transfer torque is big, load carrying ability is big and lock torque is big, the ground Clearance of meeting consumers' demand when obtaining the large speed ratio high pulling torque, vehicle bridge need adopt double reduction, promptly main the deceleration and hub reduction.
Summary of the invention
The purpose of this utility model just is at quarry tipper vehicle bridge structure above shortcomings, a kind of quarry tipper vehicle bridge is provided, solves the original load-carrying capacity deficiency of quarry tipper vehicle bridge, propulsive effort deficiency, braking force deficiency, the easily broken defective of trammel beam bearing up and down.
The purpose of this utility model realizes by following scheme:
The quarry tipper vehicle bridge is mainly by main reduction gear, wheel reduction gear, drg, axle case assy, semiaxis, trammel beam bearing, left and right sides spring end saddle etc. are formed up and down.Main reduction gear connects by bolt and axle housing; Wheel reduction gear connects by volution and axle housing axle tube; Drg connects by bolt and axle housing, and wherein brake wheel connects by wheel binding bolt and wheel reduction gear, connects by semiaxis between main reduction gear and the wheel reduction gear.
Described rear-end gear reduction is made up of diff support assembly, retarder driving gear assembly, inter-wheel differential assembly, fork assembly, differential locking-device power-transfer clutch etc.Improve the strength of gear teeth by design, transfer torque is bigger, has satisfied quarry tipper and has widened car body, power requirement that load is big.
Wheel reduction gear is made up of Hub assembly, planetary gear assy, wheel binding bolt, wheel clamp nut etc.Wheel bolt adopts 12 * M24 * 1.5, distribution circle Φ 425 (joining 24 above wheel rims), the heavier-duty bolt and join 24 above wheel rims and guaranteed wheel rim secure and reliable connection and the service life under harsh environment; The Hub assembly dress is selected the high hub bearing of intensity for use and is strengthened the design wheel hub, guarantees the wheel normal operation of limit under bad working environments; Planetary reduction gear adopts the planet circular system drive mechanism, four satellite gears, and strength of gear teeth height, the transfer motion power performance is better.
Drg is made up of brake assembly, air chamber support, adjusting arm assembly, brake camshaft, brake wheel etc., brake shoe lining diameter of phi 500, and width 200 is with 30 air chamber 0.6Mpa compression air brake moment 42000N.m.Lock torque is big, has solved quarry tipper not enough defective of braking force when the long descending of heavy duty.
Axle housing is the cast steel structure, and heat treatment is with modified raising strength of material.With leaf spring Cross section Design squarely structure, by arc transition,, guarantee enough load-carrying capacitys, carrying tonnage big (25 tons of Dan Qiaoke carryings) to reduce stress concentration.The bridge bag is designed to imperfect circular configuration, has guaranteed enough ground Clearances, make the through performance of car load good.
Last trammel beam bearing is the cast steel structure, connect by plane on eight bolts and the axle housing, its jackshaft is equipped with a bigger elastic positioning pin in the middle of wrapping the plane, and a less elastic positioning pin respectively is equipped with on both sides, the location that is used for the trammel beam bearing has guaranteed the reliability of connection, use.
Following trammel beam bearing is the cast steel structure, connects by four bolts and spring end saddle, also connects by the following leaf spring face of these four bolts with axle housing, the centre is equipped with a locating dowel pin again, is used for descending the location of trammel beam bearing, has guaranteed the reliability of connection, use.
The utility model is by to axle housing, main reduction gear, wheel reduction gear, drg, left and right sides semiaxis, the appropriate design of trammel beam bearing, left and right sides spring end saddle structure up and down, solved quarry tipper tractive performance deficiency, defective such as braking force is not enough, load-carrying capacity is not enough, the trammel beam bearing is easily broken up and down, improved the overall performance of quarry tipper.
Description of drawings
Fig. 1 is a quarry tipper back axle structural representation;
Figure 1A is the birds-eye view of Fig. 1;
Fig. 2 is the main reduction gear structural representation;
Fig. 3 is the wheel reduction gear structural representation;
Fig. 4 is the Hub assembly structural representation;
Fig. 5 is a wheel limit planetary reduction gear planet circular system structure diagram;
Fig. 6 is the brake structural scheme drawing;
Fig. 7 is the brake shoe assembly cross-sectional view;
Fig. 8 is a brake shoe assembly left side TV structure scheme drawing;
Fig. 9 is an axle case assy master TV structure scheme drawing;
Figure 10 is an axle case assy plan structure scheme drawing.
The specific embodiment
Describe structure of the present utility model in detail below in conjunction with accompanying drawing:
Referring to Fig. 1 and Figure 1A, the mining heavy-duty tipper back axle of basis mainly is made up of main reduction gear 1, wheel reduction gear 2, drg 3, axle case assy 4, semiaxis 5, last trammel beam bearing 6, following trammel beam bearing 7, left and right sides spring end saddle 8 etc.
Referring to Fig. 2, main reduction gear 1 is made up of diff support assembly 9, retarder driving gear assembly 10, inter-wheel differential assembly 11, fork assembly 12, differential locking-device power-transfer clutch 13 etc.Diff support assembly 9 connects by 12 bolts and retarder driving gear assembly 10; Inter-wheel differential assembly 11 is assemblied in the diff support assembly 9, adjusts gear backlash by volution.General mining vehicle bridge is not provided with differential locking-device structure between wheel, this mine car bridge skids in abominable road conditions for preventing, designed differential locking structure between wheel, differential locking-device power-transfer clutch 13 is assemblied in difference device assembly 11 right sides between wheel, and be connected with fork assembly 12, fork assembly 12 promotes connecting rod mechanism by cylinder and stirs the differential locking-device power-transfer clutch and implement the differential latch functions.
The effect of main reduction gear is to reduce the rotating speed that transmits from transmission shaft, thereby increase moment of torsion. present most of automobiles adopt the gear type main reduction gear. in the main reduction gear design plan of mining car vehicle bridge, we adopt a pair of Gleason standard arc bevel drive to slow down, strengthened the diameter of driven gear, the Φ 300 diameter driven gears commonly used by the dual-ratio reduction vehicle bridge are increased to Φ 380 diameter driven gears, high strength gear steel and special thermal treatment have been used, improved the main reduction gear strength of gear teeth, speed ratio seriation design: speed ratio is divided into six kinds of 2.4/2.64/3/3.273/3.5/3.888, transfer torque is big, single bridge output torque reaches 120000N.m, and lock torque is big; The heavier-duty axle case assy, 25 tons of rated loads, bearing capacity is strong.
The reduction ratio of main reduction gear has bigger influence to the tractive performance and the fuel efficiency of automobile.Mining car low-speed heave-load working environment has proposed the requirement of large speed ratio high pulling torque to vehicle bridge, and we are to main reduction gear design-calculated large speed ratio rowization, and dynamic property and fuel economy that car load is used all have very big benefit.
Referring to Fig. 3, wheel reduction gear 3 is made up of Hub assembly 14, planetary gear assy 15, wheel binding bolt 16, wheel clamp nut 17 etc.Hub assembly 14 links to each other with the framework of wheel clamp nut 17 with planetary gear assy 15 by wheel binding bolt 16, and 16 interference of wheel binding bolt are fitted on the wheel hub 18.Referring to Fig. 4, at the severe duty of mine car bridge, wheel hub in the Hub assembly 14 18 and hub bearing 19 have been carried out strengthening design, strengthened the size of hub bearing, improve the load-carrying capacity of Hub assembly.Planetary reduction gear adopts the planet circular system transmission, and the basic building block pattern is 2K-H, and engagement system is the NGW pattern, the planetary reduction gear speed ratio: 4.267, four planetary wheels of i=1+Zb/Za=1+49/15 ≈.The planet circular system structure diagram is seen Fig. 5, and a is a sun wheel among the figure, and b is satellite gear I, and c is that this type of driving type advantage of satellite gear II is obvious, its efficient height, and volume is little, and is in light weight, simple in structure, easily manufactured, and the transmitted power scope is big, and axial dimension is little.With respect to original wheel reduction gear gear, strengthened the modulus of gear, gear mesh width between centers and transverse tooth thickness have all strengthened, and have strengthened the strength of gear teeth, and the transfer motion power performance is better.
Referring to Fig. 6, Fig. 7 and Fig. 8, drg 4 comprises brake shoe assembly 20, air chamber support 21, adjusting arm assembly 22, brake camshaft 23, brake wheel 24.Camshaft 23 links to each other with brake shoe assembly 20, air chamber support 21 links to each other with brake camshaft 23, axle assembly when assembling air chamber support 21 is bolted on the axle housing by two, adjusting arm assembly 22 links to each other with brake camshaft 23, link to each other with the framework of wheel reduction gear 3 during 24 assemblings of braking hub, brake shoe lining 25 diameter of phi 500 in the brake shoe assembly, width 200.Lock torque is big, perfect heat-dissipating.Solved the not enough defective of general quarry tipper braking force.
Referring to Fig. 1 and Fig. 2, last trammel beam bearing 6 is the cast steel structure, connects by plane on eight first bolts 28 and the axle housing, and its jackshaft is equipped with a bigger elastic positioning pin 26 in the middle of wrapping the plane, a less elastic positioning pin 27 respectively is equipped with on both sides, is used for the location of trammel beam bearing.
Following trammel beam bearing 7 is the cast steel structure, connects by four second bolts 30 and spring end saddle 8, and also the following leaf spring face by these four bolts and axle case assy connects, and the centre is equipped with a locating dowel pin 29 again, is used for the location of trammel beam bearing down
In addition, referring to Fig. 9 and Figure 10, leaf spring Cross section Design squarely structure, improve its bending resistant section coefficient, and be designed to arcuate structure, the distance of leaf spring face and axle housing flange about strengthening at upper and lower leaf spring face and axle housing flange connection place, to reduce stress concentration, guarantee enough load-carrying capacitys.The bridge bag is designed to imperfect circular configuration, has guaranteed enough ground Clearances, make the through performance of car load good.
Claims (7)
1. mining heavy-duty tipper vehicle bridge, it includes main reduction gear (1), wheel reduction gear (2), drg (3), axle case assy (4), semiaxis (5), trammel beam bearing (6) and left and right sides spring end saddle (7) up and down; It is characterized in that described main reduction gear (1) connects by bolt and axle case assy (4), wheel reduction gear (2) connects by the axle tube of volution and axle housing, connects by semiaxis (5) between main reduction gear (1) and the wheel reduction gear (2); Drg (3) connects by bolt and axle case assy (4);
Described main reduction gear (1) comprises diff support assembly (9), retarder driving gear assembly (10), inter-wheel differential assembly (11), fork assembly (12) and differential locking-device power-transfer clutch (13); Described diff support assembly (9) connects by bolt and retarder driving gear assembly (10); Inter-wheel differential assembly (11) is assemblied in the diff support assembly (9); Differential locking-device power-transfer clutch (13) is assemblied in difference device assembly (11) right side between wheel, and is connected with fork assembly (12), promotes connecting rod mechanism by cylinder and makes fork stir differential locking-device power-transfer clutch enforcement differential locking.
2. mining heavy-duty tipper vehicle bridge according to claim 1, it is characterized in that, described main reduction gear (1) adopts a pair of Gleason standard arc bevel drive to slow down, the driven gear diameter of phi 380 of main reduction gear (1), and speed ratio is divided into six kinds of 2.4/2.64/3/3.273/3.5/3.888.
3. mining heavy-duty tipper vehicle bridge according to claim 1 and 2, it is characterized in that, described wheel reduction gear (3) comprises Hub assembly (14), planetary gear assy (15), wheel binding bolt (16) and wheel clamp nut (17), and described Hub assembly (14) links to each other with the framework of wheel clamp nut (17) with planetary gear assy (15) by wheel binding bolt (16); The planet circular system structural shape of described planetary gear assy (15) is 2K-H, and engagement system is the NGW pattern, the planetary reduction gear speed ratio: i=1+Zb/Za=1+49/15 ≈ 4.267 has four planetary wheels.
4. mining heavy-duty tipper vehicle bridge according to claim 1 and 2 is characterized in that, described drg (4) comprises brake shoe assembly (20), air chamber support (21), adjusting arm assembly (22), brake camshaft (23) and brake wheel (24); Described brake camshaft (23) links to each other with brake shoe assembly (20), air chamber support (21) links to each other with brake camshaft (23), air chamber support (21) is by being bolted on the axle housing during axle assembly assembling, adjusting arm assembly (22) is installed in brake camshaft (23) outer end, links to each other with the framework of wheel reduction gear (3) during braking hub (24) assembling.
5. mining heavy-duty tipper vehicle bridge according to claim 4 is characterized in that, the brake shoe lining in the described brake shoe assembly (25) diameter of phi 500, width 200.
6. mining heavy-duty tipper vehicle bridge according to claim 1 and 2 is characterized in that, described upward trammel beam bearing (6) is the cast steel structure, connects by plane on first bolt (28) and the axle housing; Described trammel beam bearing (7) down is the cast steel structure, connects by the following leaf spring face of second bolt (30) with spring end saddle (8) and axle case assy.
7. mining heavy-duty tipper vehicle bridge according to claim 1 and 2 is characterized in that the axle housing of described axle case assy (4) is the cast steel structure, leaf spring Cross section Design squarely structure, and by arc transition, the bridge bag is designed to imperfect circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201289348U CN201456936U (en) | 2009-09-21 | 2009-09-21 | Heavy dump truck axis for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201289348U CN201456936U (en) | 2009-09-21 | 2009-09-21 | Heavy dump truck axis for mine |
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| Publication Number | Publication Date |
|---|---|
| CN201456936U true CN201456936U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201289348U Expired - Lifetime CN201456936U (en) | 2009-09-21 | 2009-09-21 | Heavy dump truck axis for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201456936U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029934A (en) * | 2010-12-08 | 2011-04-27 | 泰安航天特种车有限公司 | Super-heavy mining dump truck |
| CN102910034A (en) * | 2012-11-20 | 2013-02-06 | 中国重汽集团济南动力有限公司 | Independent suspension drive axle housing assembly for heavy-duty truck |
| CN103158472A (en) * | 2011-12-16 | 2013-06-19 | 阿文美驰技术有限责任公司 | Axle suspension system |
| CN103640467A (en) * | 2013-12-05 | 2014-03-19 | 中国重汽集团济南动力有限公司 | Mine double-stage deceleration drive axle of heavy-duty car |
| CN104385911A (en) * | 2014-11-24 | 2015-03-04 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle for large tractor |
| CN107215192A (en) * | 2017-07-19 | 2017-09-29 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle and its mechanical locking formula differential bridge |
-
2009
- 2009-09-21 CN CN2009201289348U patent/CN201456936U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029934A (en) * | 2010-12-08 | 2011-04-27 | 泰安航天特种车有限公司 | Super-heavy mining dump truck |
| CN103158472A (en) * | 2011-12-16 | 2013-06-19 | 阿文美驰技术有限责任公司 | Axle suspension system |
| CN103158472B (en) * | 2011-12-16 | 2016-05-25 | 阿文美驰技术有限责任公司 | Axle Suspension System |
| CN102910034A (en) * | 2012-11-20 | 2013-02-06 | 中国重汽集团济南动力有限公司 | Independent suspension drive axle housing assembly for heavy-duty truck |
| CN103640467A (en) * | 2013-12-05 | 2014-03-19 | 中国重汽集团济南动力有限公司 | Mine double-stage deceleration drive axle of heavy-duty car |
| CN104385911A (en) * | 2014-11-24 | 2015-03-04 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle for large tractor |
| CN104385911B (en) * | 2014-11-24 | 2017-03-15 | 南京创捷和信汽车零部件有限公司 | Large tractor front steering drive axle |
| CN107215192A (en) * | 2017-07-19 | 2017-09-29 | 浙江春风动力股份有限公司 | A kind of all-terrain vehicle and its mechanical locking formula differential bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHONGQING DAJIANG XINDA VEHICLE LIMITED COMPANY Assignor: Chongqing Dajiang Industrial Co., Ltd. Contract record no.: 2013500000004 Denomination of utility model: Heavy dump truck axis for mine Granted publication date: 20100512 License type: Exclusive License Record date: 20130320 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: 401321 Chongqing city Banan District Yudong Town River Industrial Park Patentee after: CHONGQING DAJIANG XINDA VEHICLE LIMITED COMPANY Address before: 401321 Dajiang Industrial Zone, Banan District, Chongqing Patentee before: Chongqing Dajiang Industrial Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190522 Address after: 401321 Fenghua Road, Yudong, Banan District, Chongqing, 901 Patentee after: Chongqing Dajiang Cheqiao Co., Ltd. Address before: 401321 Dajiang Industrial Park, Yudong Town, Banan District, Chongqing Patentee before: CHONGQING DAJIANG XINDA VEHICLE LIMITED COMPANY |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |