CN203410305U - Coal mine wet type brake non-breakaway steering drive axle - Google Patents

Coal mine wet type brake non-breakaway steering drive axle Download PDF

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Publication number
CN203410305U
CN203410305U CN201320392469.5U CN201320392469U CN203410305U CN 203410305 U CN203410305 U CN 203410305U CN 201320392469 U CN201320392469 U CN 201320392469U CN 203410305 U CN203410305 U CN 203410305U
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CN
China
Prior art keywords
steering
drg
shell
drive axle
steering swivel
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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.)
Expired - Fee Related
Application number
CN201320392469.5U
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Chinese (zh)
Inventor
翟正树
郭彩霞
郑保军
刘燕燕
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Shandong Yu Mandi Special Vehicle Co Ltd
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Shandong Yu Mandi Special Vehicle Co Ltd
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Publication date
Application filed by Shandong Yu Mandi Special Vehicle Co Ltd filed Critical Shandong Yu Mandi Special Vehicle Co Ltd
Priority to CN201320392469.5U priority Critical patent/CN203410305U/en
Application granted granted Critical
Publication of CN203410305U publication Critical patent/CN203410305U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a coal mine wet type brake non-breakaway steering drive axle comprising a drive speed change mechanism, a drive axle casing assembly and a wet type brake assembly, wherein the drive speed change mechanism is arranged in the drive axle casing assembly and connected with a steering vehicle wheel by an inner half shaft and an outer half shaft at both ends of the drive axle casing assembly; the inner half shaft is connected with the outer half shaft by a three-pin type constant velocity universal joint; the inner half shaft penetrates through a casing pipe; a support seat is arranged on the casing pipe; a steering knuckle outer casing is arranged on the support seat; a pair of concentric pin shafts as steering main pins are arranged in two radially arranged concentric holes of the steering knuckle outer casing; the pin shafts are assembled with the steering knuckle together by a pair of tapered roller bearings; a steering knuckle arm connected with a steering drag link is fixed at the upper end of the steering knuckle. The coal mine wet type brake non-breakaway steering drive axle has strong passing ability, climbing ability and obstacle crossing ability in bad road conditions and is suitable for coal mine auxiliary transport equipment and hazardous explosive atmospheres.

Description

The non-disconnected steering drive axle of wet braking for a kind of colliery
Technical field
The utility model is specifically related to the non-disconnected steering drive axle of wet braking for a kind of colliery, particularly for the light-duty railless free-wheeled vehicle steering drive axle of development of auxiliary transport in coal mines equipment.
Background technology
Explosion-proof trackless rubber-tyre vehicle has safety, and efficient, convenient through operating characteristic, is applicable to rugged environment condition and special transportation request under coal mine, becomes gradually the important symbol of In Modern Mine trackless assistant conveyance.Mostly the railless free-wheeled vehicle using in most of collieries is at present back-wheel drive front-wheel steering, and its road adaptive capacity and grade climbing performance can not adapt to the requirement of development of auxiliary transport in coal mines.The all-wheel powered railless free-wheeled vehicle that occurs subsequently central hinged pattern, adopts fluid power steering cylinder, and its active mass degree of utilization is little, and fuel oil consumption is large, and wear on tyres is fast.Secondly, the light-duty railless free-wheeled vehicle majority of existing operation is also adopting dry brake, and it is easily dirty, and long-term use forms dirt, causes that brake efficiency reduces.Compact conformation, the development tendency that road is adaptable, dynamic balnce is good, low chassis, specific power large, full wheel drive, configurations match rationally become railless free-wheeled vehicle.
Utility model content
The problem and the shortcoming that in order to solve existing railless free-wheeled vehicle, exist, the utility model specifically discloses the non-disconnected steering drive axle of wet braking for a kind of colliery.
The technical solution adopted in the utility model is as follows:
The non-disconnected steering drive axle of wet braking for colliery, comprises and drives speed-changing mechanism, driving axle housing assembly, inner shaft, three pin-type constant-velocity universal joint, outer semiaxis and oil-immersed multi-disk brake assembly; Described driving speed-changing mechanism is arranged at the inside of driving axle housing assembly, by the inner shaft at driving axle housing assembly two ends, outer semiaxis, is connected with steered wheel, and described inner shaft is connected with outer semiaxis by three pin-type constant-velocity universal joint; Described inner shaft is through a sleeve pipe, on described sleeve pipe, be provided with supporting base, on supporting base, be provided with steering swivel shell, in the concentric hole of two radial arrangement of steering swivel shell, be provided with a pair of concentric bearing pin as steering yoke bolt, together with bearing pin is assembled into steering swivel by a pair of tapered roller bearing, in the upper end of steering swivel, be fixed with the track arm being connected with steering drag link, in steering swivel lower end, be fixed with the steering trapezoidal arm being connected with tierod, described oil-immersed multi-disk brake is sleeved on steering swivel axle journal.
This device also comprises that a drg moves shell, and the moving shell of described drg is contained on steering swivel axle journal by two tapered roller bearings.The moving shell of described drive axle is wheel hub.
Described driving speed-changing mechanism eccentric setting in driving axle housing assembly.
Described steering drive axle left-right asymmetry.
Described stub and steering swivel shell are loaded into one.
Described steering swivel comprises two sections of steering swivel shell and stubs, and both connect with screw.
The supporting base of described steering swivel is connected with inner shaft sleeve pipe with screw.
Described oil-immersed multi-disk brake assembly is by the moving shell of drg, flange, drg platen, the quiet shell of piston and drg forms, the moving shell of drg is bearing on steering swivel axle journal by two tapered roller bearings, the moving shell of drg is positioned on steering swivel axle journal by adjusting nut, flange is connected by the moving shell of six groups of double-screw bolts and drg, external toothing on the moving shell of drg is equipped with multi-disc movable friction plate, drg platen is bolted and connects with the quiet shell of drg, drg platen internally toothed annulus is equipped with multi-disc brake stator sheet, the quiet shell of drg, steering swivel axle journal is fixed on steering swivel shell with six double-screw bolts, piston is contained in the quiet shell of drg, by two y-type seal rings, form sealed cylinder, six groups of retracing springs are housed on piston, retracing spring is fixed on the quiet shell of drg by interior hexagonal double-ended bolt.
The moving shell of drg is contained on steering swivel axle journal by two tapered roller bearings.Tapered roller bearing is fixed with adjusting nut locking packing ring, press-fits an axle bush in steering swivel axle journal, so that the outer semiaxis of supporting; When promoting steering swivel by track arm, steering swivel just can rotate and make front vehicle wheel deflection around stub.The moving shell of described drg is exactly finger wheel hub.
The principle of work of oil-immersed multi-disk brake: the braking liquid under certain pressure intensity is entered after piston oil pocket by oil inlet forms certain operation pressure on the ring section of piston, so promote piston movement.Movable friction plate is owing to being fixed on the external toothing of the moving shell of drg, and with the motion of wheel hub constant angular velocity, static friction sheet is fixed on the internally toothed annulus of drg platen, and its cireular frequency is zero.Dynamic and static friction lining under positive pressure, due between relative motion, between friction layer, produce friction force, in braking, the integration on radius is lock torque to each point friction force, wheel limit is braked just under the effect of lock torque.During oil-break, rely on retracing spring to make piston reset, lock torque is removed, and can normally travel again in wheel limit.
This vehicle bridge is fixed by the supported by plate spring seat on axle housing and some leaf springs, by hub stud, is connected with wheel rim, by steering drag link, is connected with steering wheel.
The beneficial effects of the utility model are:
1. more can meet colliery to the balanced requirement of vehicle power, this vehicle bridge is applicable to 5 tons of following slow-moving vehicles.
2. this bridge brake adopts closed oil-immersed multi-disk brake, is applicable to severe environmental conditions and operating needs under coal mine.
Accompanying drawing explanation
Fig. 1 integral body of the present utility model connects composition;
Fig. 2 part-structure figure of the present utility model;
The cut-away view of Fig. 3 oil-immersed multi-disk brake;
In figure: 1 driving axle housing assembly, 2 drive speed-changing mechanism, 3 stubs, 4 three pin-type constant-velocity universal joints, 5 sleeve pipes, 6 steering drag links, 7 supporting bases, 8 steering swivel shells, 9 track arms, 10 leaf spring supporting bases, 11 steering trapezoidal arms, 12 tierods, 13 tire bolts, 14 tapered roller bearing I, 15 drgs move shell, 16 adjusting nuts, 17 jam nuts, 18 flange covers, 19 flanges, 20 axle bushes, 21 double end studs, 22 float grease seals, 23 drg platens, 24 movable friction plates, 25 brake stator sheets, 26 oil filler plugs, 27 y-type seal rings, the quiet shell of 28 drg, 29 attachment bolts, 30 steering swivel axle journals, 31 inner shafts, 32 outer semiaxis, 33 needle bearings, 34 oil drain plugs, 35 interior hexagonal double-ended bolts, 36 pistons, 37 retracing springs, 38 tapered roller bearing II.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
The non-disconnected steering drive axle of wet braking for colliery, comprises and drives speed-changing mechanism 2, driving axle housing assembly 1, inner shaft 31, three pin-type constant-velocity universal joint 4, outer semiaxis 32 and oil-immersed multi-disk brake assembly; Described driving speed-changing mechanism 2 is arranged at the inside of driving axle housing assembly 1, and inner shaft 31, outer semiaxis 32 by driving axle housing assembly 1 two ends are connected with steered wheel, and described inner shaft is connected with outer semiaxis 32 by three pin-type constant-velocity universal joint 4; On described inner shaft 31, pass a sleeve pipe 5, on described sleeve pipe 5, be provided with a supporting base, on supporting base, be provided with a steering swivel shell 8, in the concentric hole of two radial arrangement of steering swivel shell 8, be provided with a pair of concentric bearing pin as steering yoke bolt 3, together with bearing pin is assembled into steering swivel by a pair of tapered roller bearing, in the upper end of steering swivel, be fixed with the track arm 9 being connected with steering drag link 6, in steering swivel lower end, be fixed with the steering trapezoidal arm 11 being connected with tierod 12, described oil-immersed multi-disk brake is sleeved on steering swivel axle journal 30.The supporting base 7 use screws of described steering swivel are connected with sleeve pipe 5.
For ease of transmission shaft, arrange and avoid driving axle housing and engine sump tank to interfere, driving speed-changing mechanism 2 to offset to one side, therefore steering drive axle left-right asymmetry; Wheel is around stub 3 angular deflections owing to turning to, and the semiaxis that is connected with wheel flutter is divided into inside and outside two-semiaxle, with three pin-type constant-velocity universal joint 4, it is connected, therefore stub 3 also minute makes two sections simultaneously, and steering swivel axle journal is made hollow, so that outer semiaxis passes wherein; Inner shaft 31 links together by three pin type constant-velocity universal joints with outer semiaxis 32; When driving front axle, torque is by driving speed-changing mechanism 2, inner shaft 31, three pin-type constant-velocity universal joint 4, outer semiaxis 32, flange 19 to pass on wheel nave; Steering swivel is arranged on steering swivel supporting base 7, and the stub and the steering swivel shell 8 that are divided into two sections are loaded into one, and the axis of its upper-lower section must be in a straight line; Steering swivel supporting base 7 use screws are connected with sleeve pipe 5.Steering swivel is made two sections of steering swivel shell and stubs, with screw, links into an integrated entity; The moving shell 15 (wheel hub) of drg is contained on steering swivel axle journal by two cone bearings.Hub bearing is fixed with adjusting nut 16 locking packing rings, press-fits an axle bush 20 in steering swivel axle journal, so that the outer semiaxis 32 of supporting; When promoting steering swivel by track arm 9, steering swivel just can rotate and make front vehicle wheel deflection around stub 3.
Axle housing two ends in the outside of inner shaft 31 are provided with leaf spring supporting base 10.
The steering swivel shell 8 of wheel steering device is housed at the axle housing two ends of non-disconnected steering drive axle, in the concentric hole of two radial arrangement of steering swivel shell 8, be fixedly mounted with a pair of concentric bearing pin as steering yoke bolt 3, together with bearing pin is assembled into steering swivel by a pair of tapered roller bearing, add the steering trapezoidal arm that is fixed on steering swivel upper end the track arm being connected with steering drag link and is fixed on steering swivel lower end and is connected with tierod, just formed the steering hardware of wheel.Bearing pin as steering yoke bolt is arranged on the locus on steering swivel shell, meets the prenex requirement of Front wheel Alignment Parameters stub 3 leaning angles, stub 3 casterangles, camber angle and front-wheel.Steering drive axle steering hardware steering swivel is compound type, two sections of steering swivel shell and hollow stubs, consists of.The left and right half of steering drive axle is all divided into inside and outside two sections, and connects with three pin-type constant-velocity universal joint 4.Three pin-type constant-velocity universal joint center should be positioned on the line of centers of steering yoke bolt 3.
Oil-immersed multi-disk brake assembly is by the moving shell 15 of drg, flange 19, drg platen 23, the quiet shell 28 of piston 36 and drg forms, the moving shell 15 of drg is bearing on steering swivel axle journal 30 by tapered roller bearing I14 and tapered roller bearing II38, the moving shell 15 of drg is positioned on steering swivel axle journal 30 by adjusting nut 16, flange 19 is connected by the moving shell 15 of 6 groups of double end studs 21 and drg, external toothing on the moving shell 15 of drg is equipped with multi-disc movable friction plate 24, drg platen 23 is bolted and connects with the quiet shell 28 of drg, platen internally toothed annulus is equipped with multi-disc brake stator sheet 25, 6 attachment bolts 29 of quiet shell 28 steering swivel axle journal 30 use of drg are fixed on steering swivel shell 8, piston is contained in the quiet shell of drg, by 2 y-type seal rings 27, form sealed cylinder, 6 groups of retracing springs 37 are housed on piston, retracing spring 37 is fixed on the quiet shell 28 of drg by interior hexagonal double-ended bolt 35.And tire is connected with oil-immersed multi-disk brake by tire bolt 13.The outside of flange 19 is provided with flange cover 18, and flange 19 is fixing by jam nut 17, the quiet shell 28 of drg is provided with oil filler plug 26 and oil drain plug 34, the quiet shell of described drg, steering swivel axle journal are fixed on steering swivel shell with six double-screw bolts, between the quiet shell of described drg and piston, are provided with y-type seal ring.Fixing by needle bearing 33 between outer semiaxis 32 and steering swivel axle journal 30.Between the moving shell 15 of drg and drg platen 23, be provided with float grease seal 22.

Claims (8)

1. the non-disconnected steering drive axle of wet braking for colliery, is characterized in that: comprise and drive speed-changing mechanism, driving axle housing assembly, inner shaft, three pin-type constant-velocity universal joint, outer semiaxis and oil-immersed multi-disk brake assembly; Described driving speed-changing mechanism is arranged at the inside of driving axle housing assembly, by the inner shaft at driving axle housing assembly two ends, outer semiaxis, is connected with steered wheel, and described inner shaft is connected with outer semiaxis by three pin-type constant-velocity universal joint; Described inner shaft is through a sleeve pipe, on described sleeve pipe, be provided with a supporting base, on supporting base, be provided with a steering swivel shell, in the concentric hole of two radial arrangement of steering swivel shell, be provided with a pair of concentric bearing pin as steering yoke bolt, together with bearing pin is assembled into steering swivel by a pair of tapered roller bearing, in the upper end of steering swivel, be fixed with the track arm being connected with steering drag link, in steering swivel lower end, be fixed with the steering trapezoidal arm being connected with tierod, described oil-immersed multi-disk brake is arranged on steering swivel axle journal.
2. steering drive axle as claimed in claim 1, is characterized in that: described driving speed-changing mechanism eccentric setting in driving axle housing assembly.
3. steering drive axle as claimed in claim 1, is characterized in that: described steering drive axle left-right asymmetry.
4. steering drive axle as claimed in claim 1, is characterized in that: described stub and steering swivel shell are loaded into one.
5. steering drive axle as claimed in claim 1, is characterized in that: described steering swivel comprises two sections of steering swivel shell and stubs, and both connect with screw.
6. steering drive axle as claimed in claim 5, is characterized in that: also comprise that a drg moves shell, the moving shell of described drg is contained on steering swivel axle journal by two tapered roller bearings.
7. steering drive axle as claimed in claim 1, is characterized in that: the supporting base of described steering swivel is connected with sleeve pipe with screw.
8. steering drive axle as claimed in claim 1, it is characterized in that: described oil-immersed multi-disk brake assembly is by the moving shell of drg, flange, drg platen, the quiet shell of piston and drg forms, the moving shell of drg is bearing on steering journal by two tapered roller bearings, the moving shell of drg is positioned on steering journal by adjusting nut, flange is connected by the moving shell of six groups of double-screw bolts and drg, external toothing on the moving shell of drg is equipped with multi-disc movable friction plate, drg platen is bolted and connects with the quiet shell of drg, drg platen internally toothed annulus is equipped with multi-disc brake stator sheet, the quiet shell steering swivel of drg axle journal is fixed on steering swivel shell with six double-screw bolts, piston is contained in the quiet shell of drg, by 2 y-type seal rings, form sealed cylinder, 6 groups of retracing springs are housed on piston, retracing spring is fixed on the quiet shell of drg by interior hexagonal double-ended bolt.
CN201320392469.5U 2013-07-03 2013-07-03 Coal mine wet type brake non-breakaway steering drive axle Expired - Fee Related CN203410305U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320392469.5U CN203410305U (en) 2013-07-03 2013-07-03 Coal mine wet type brake non-breakaway steering drive axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320392469.5U CN203410305U (en) 2013-07-03 2013-07-03 Coal mine wet type brake non-breakaway steering drive axle

Publications (1)

Publication Number Publication Date
CN203410305U true CN203410305U (en) 2014-01-29

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619329A (en) * 2021-08-26 2021-11-09 中国煤炭科工集团太原研究院有限公司 Modularized full-floating wet-type brake drive axle for light coal mine vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619329A (en) * 2021-08-26 2021-11-09 中国煤炭科工集团太原研究院有限公司 Modularized full-floating wet-type brake drive axle for light coal mine vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140129

Termination date: 20150703

EXPY Termination of patent right or utility model