CN205033943U - Explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine - Google Patents

Explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine Download PDF

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Publication number
CN205033943U
CN205033943U CN201520746217.7U CN201520746217U CN205033943U CN 205033943 U CN205033943 U CN 205033943U CN 201520746217 U CN201520746217 U CN 201520746217U CN 205033943 U CN205033943 U CN 205033943U
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China
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assembly
wheel
axle
wet
coal mine
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CN201520746217.7U
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Chinese (zh)
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罗力
高云
师磊
钟智
谭江湖
李健
张小忠
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Chongqing Dajiang Cheqiao Co., Ltd.
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Chongqing Dajiang Industry Co Ltd
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Abstract

The utility model relates to an explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine, include axle housing assembly, wet brake assembly and wheel reduction assembly, establish the wheel hub assembly on the wheel reduction assembly, still including establishing differential mechanism assembly, main reducer assembly, left half axle and right semi -axis between the wheel in the axle housing assembly, characterized by: the connection pad of wet brake assembly pass through the bolt with axle housing assembly fixed connection, be equipped with friction disc and vice from the friction of moving plate component in the checking cylinder of wet brake assembly, the friction disc of wet brake assembly is connected with the wheel hub assembly cooperation on the wheel reduction assembly of establishing end about the axle housing assembly, wheel hub assembly's tip is equipped with the external splines, the friction disc with spline fit on wheel hub assembly's the tip is connected. The utility model discloses output torque is big, bearing capacity is strong, cross -country ability is good, braking moment is big to have better braking heat stability and braking reliability.

Description

A kind of wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle)
Technical field
The utility model relates to automobile component, is specifically related to a kind of wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle).
Background technology
In car transmissions in the past, adopt dry brake more.Dry brake type structure is simple, and cost is lower, but brake strap is easy to cracking, ablation, and drg is stained with mud, water, oil are difficult to removing, affect insensitivity, and it is little to there is area, the shortcoming such as to dispel the heat bad, therefore, in some car transmissions, adopt oil-immersed multi-disk brake.As CN203410305U discloses " the non-disconnected steering drive axle of a kind of colliery wet braking ", comprise and drive speed-changing mechanism, driving axle housing assembly, inner shaft, tripod constant velocity 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, and be connected with steered wheel by the inner shaft at driving axle housing assembly two ends, outer semiaxis, described inner shaft is connected with outer semiaxis by tripod constant velocity joint; Described inner shaft is through a sleeve pipe, described sleeve pipe is provided with a supporting base, supporting base is provided with a steering swivel shell, a pair concentric bearing pin as steering yoke bolt is provided with in the concentric holes of two radial arrangement of steering swivel shell, together with bearing pin to be assembled into steering swivel by a pair tapered roller bearing, the track arm be connected with steering drag link is fixed with in the upper end of steering swivel, be fixed with the steering trapezoidal arm be connected with tierod in steering swivel lower end, described oil-immersed multi-disk brake is arranged on steering swivel axle journal.Although the described non-disconnected steering drive axle of colliery wet braking has stronger crossing ability, climbing property and obstacle climbing ability under severe road conditions, and be applicable to development of auxiliary transport in coal mines equipment and dangerous detonating gas environment, but restricted application, can only be applicable to the low-speed cars that 5 villages are following.
Utility model content
The purpose of this utility model is to provide a kind of wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle), and its output torque is large, load-carrying capacity strong, good cross-country ability, lock torque are large, and has braking heat stability and braking reliability preferably.
The wet-type braking driving axle of a kind of coal mine explosion-proof MPV (Multi-Purpose Vehicle) described in the utility model, comprise axle case assy, be located at oil-immersed multi-disk brake assembly on axle case assy left end and right-hand member and wheel reduction gear assembly, the Hub assembly be located on wheel reduction gear assembly respectively, also comprise the inter-wheel differential assembly, main gearbox assembly, left half axle and the right axle shaft that are located in axle case assy; Described main gearbox assembly and described inter-wheel differential assembly are connected; It is characterized in that:
The terminal pad of described oil-immersed multi-disk brake assembly is fixedly connected with described axle case assy by bolt, is provided with the friction pair of friction lining and driven disc composition in the brake cylinder of described oil-immersed multi-disk brake assembly, and this friction pair is in the closed environment of immersion oil; The friction lining of described oil-immersed multi-disk brake assembly be located at axle case assy about Hub assembly on the wheel reduction gear assembly held be connected; The small end of described Hub assembly is provided with male splines, and described friction lining is connected with the spline fitted on the small end of described Hub assembly, and friction pair and the Hub assembly of friction lining and driven disc composition realize service brake under fluid control.
Further, one end of described left half axle and the left splined hub of described inter-wheel differential assembly are connected, and the other end of described left half axle is connected with the sun wheel of the wheel reduction gear assembly being located at axle case assy left end; One end of described right axle shaft and the right splined hub of described inter-wheel differential assembly are connected, and the other end of described right axle shaft is connected with the sun wheel of the wheel reduction gear assembly being located at axle case assy right-hand member.
Further, described main gearbox assembly is the single reduction final drive of skew bevel wheel transmission, the driven gear of described main gearbox assembly is fixedly connected with inter-wheel differential assembly by bolt, the driving gear of described main gearbox assembly is gear shaft structure, its rear and front end, respectively by cylindrical roller bearing and the supporting of two tapered roller bearings, is fixedly connected with the supporting shell of main gearbox assembly by bolt for the bearing seat installing two tapered roller bearings; The lower end of described driving gear is provided with male splines and outside thread, the spline fitted on the lower end of an input driving flange and described driving gear, and fastening with jam nut.
Further, be provided with dental formula differential in described inter-wheel differential assembly, the master and slave rotating ring of described dental formula differential automatically engages when rotating speed changes and is separated and realizes differential.
Further, described wheel reduction gear assembly is connected with axle case assy, and described wheel reduction gear assembly is connected by spline fitted with oil-immersed multi-disk brake assembly.
Further, the float grease seal corresponding matching that described oil-immersed multi-disk brake assembly is provided with on float grease seal and described wheel reduction gear assembly realizes sealing.
Further, described side reducer assembly adopts planetary gear speed-reduction drive mechanism.
Further, platen and the hydraulic disk of described oil-immersed multi-disk brake assembly are bolted, and the brake cylinder of described oil-immersed multi-disk brake assembly is provided with air bleeder screw plug component.
Further, the spring of described oil-immersed multi-disk brake assembly is bolted on described platen, in hydraulic oil release pusher dynamic pressure dish release braking.
Further, resilient sleeve and the described hydraulic disk of described oil-immersed multi-disk brake assembly are connected, the gap produced after automatically eliminating friction disc wear by friction drag.
The utility model is provided with external oil-immersed multi-disk brake at wheel hub and planetary reduction gear side, make between friction disc and clutch plate, to produce lock torque when injecting and there is the hydraulic oil of certain oil pressure and realize service brake, unloading oil pressure brake off under the application force of cylindrically coiled spring.
The beneficial effects of the utility model:
(1) drive axle band wet multi-disc brake, the total braking force square of drive axle is maximum reaches 70000Nm, and non-maintaining, and these designs impart this bridge best safety and longer service life in down-hole and mine.
(2) the skew bevel wheel auxiliary driving of high-bearing capacity, the transmittability of higher moment of torsion; The dual-ratio reduction bridge of wheel rim deceleration device, increases the ground Clearance of car load, improves the rideability under bad working environments, enhances the adaptive capacity to various road conditions; Large ratio coverage meets the demand of specialty of client;
In sum, output torque of the present utility model is large, load-carrying capacity is high, good cross-country ability, lock torque large, and has braking heat stability and braking reliability preferably, and easily forms series of products.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the enlarged drawing in A portion in Fig. 2;
Fig. 4 is the enlarged drawing in B portion in Fig. 2;
Fig. 5 is the enlarged drawing in C portion in Fig. 2.
In figure: 1-axle case assy, 2-main gearbox assembly, 3-wheel reduction gear assembly, 4-oil-immersed multi-disk brake assembly, 5-left half axle, 6-right axle shaft, 7-sun wheel, 8-terminal pad, 9-friction lining, 10-Hub assembly, 11-float grease seal, 12-brake cylinder, 13-spring, 14-air bleeder screw plug component, 15-platen, 16-resilient sleeve, 17-driven disc, 18-hydraulic disk, 19-supporting shell, 20-driven gear, 21-bearing seat, 22-driving flange, 23-driving gear, 24-jam nut, 25-dental formula differential, 26-inter-wheel differential assembly.
Detailed description of the invention
Now by reference to the accompanying drawings the utility model is described in further detail:
The wet-type braking driving axle of a kind of coal mine explosion-proof MPV (Multi-Purpose Vehicle) as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, comprise axle case assy 1, be located at oil-immersed multi-disk brake assembly 4 on axle case assy left end and right-hand member and wheel reduction gear assembly 3, the Hub assembly 10 be located on wheel reduction gear assembly respectively, also comprise the inter-wheel differential assembly 26 be located in axle case assy, main gearbox assembly 2, left half axle 5 and right axle shaft 6; Described main gearbox assembly and described inter-wheel differential assembly are connected; Its substantive distinguishing features is:
The terminal pad 8 of described oil-immersed multi-disk brake assembly 4 is fixedly connected with described axle case assy 1 by bolt, is provided with the friction pair of friction lining 9 and driven disc 17 composition in the brake cylinder 12 of described oil-immersed multi-disk brake assembly, and this friction pair is in the closed environment of immersion oil; The friction lining 9 of described oil-immersed multi-disk brake assembly is connected with the Hub assembly 10 be located on wheel reduction gear assembly 3 that axle case assy about 1 holds; The small end of described Hub assembly is provided with male splines, and described friction lining is connected with the spline fitted on the small end of described Hub assembly, and friction pair and the Hub assembly of friction lining and driven disc composition realize service brake under fluid control.
One end of described left half axle 5 and the left splined hub of described inter-wheel differential assembly 26 are connected, and the other end of described left half axle is connected with the sun wheel 7 of the wheel reduction gear assembly 3 being located at axle case assy 1 left end; One end of described right axle shaft 6 and the right splined hub of described inter-wheel differential assembly 26 are connected, and the other end of described right axle shaft is connected with the sun wheel 7 of the wheel reduction gear assembly 3 being located at axle case assy 1 right-hand member.
Described main gearbox assembly 2 is the single reduction final drive of skew bevel wheel transmission, the driven gear 20 of described main gearbox assembly is fixedly connected with inter-wheel differential assembly 26 by bolt, the driving gear 23 of described main gearbox assembly is gear shaft structure, its rear and front end, respectively by cylindrical roller bearing and the supporting of two tapered roller bearings, is fixedly connected with the supporting shell 19 of main gearbox assembly 2 by bolt for the bearing seat 21 installing two tapered roller bearings; The lower end of described driving gear 23 is provided with male splines and outside thread, an input driving flange 22 and the spline fitted on the lower end of described driving gear 23, and fastening with jam nut 24.
Be provided with dental formula differential 25 in described inter-wheel differential assembly 26, the master and slave rotating ring of described dental formula differential automatically engages when rotating speed changes and is separated and realizes differential.
Described wheel reduction gear assembly 3 is connected with axle case assy 1, and described wheel reduction gear assembly 3 is connected by spline fitted with oil-immersed multi-disk brake assembly 4.
Described oil-immersed multi-disk brake assembly 4 is provided with float grease seal 11 and realizes sealing with float grease seal 11 corresponding matching on described wheel reduction gear assembly 3.
Described side reducer assembly 3 adopts planetary gear speed-reduction drive mechanism.
Platen 15 and the hydraulic disk 18 of described oil-immersed multi-disk brake assembly 4 are bolted, and the brake cylinder 12 of described oil-immersed multi-disk brake assembly 4 is provided with air bleeder screw plug component 14.
The spring 13 of described oil-immersed multi-disk brake assembly 4 is bolted on described platen 15, in hydraulic oil release pusher dynamic pressure dish release braking.
Resilient sleeve 16 and the described hydraulic disk 18 of described oil-immersed multi-disk brake assembly 4 are connected, the gap produced after automatically eliminating friction disc wear by friction drag.
Described oil-immersed multi-disk brake assembly is totally enclosed, can prevent the intrusion of earth, profit, and deceleration and stopping performance is stablized; Adopt single brake piston push structure, friction pair uniform force, disk gap need not adjust and allow the transmitting torque that trackslips; Adopt oil cooling and polydisc structure, functional, simplify maintaining, extend drg service life.

Claims (10)

1. the wet-type braking driving axle of a coal mine explosion-proof MPV (Multi-Purpose Vehicle), comprise axle case assy (1), be located at oil-immersed multi-disk brake assembly (4) on axle case assy left end and right-hand member and wheel reduction gear assembly (3), the Hub assembly (10) be located on wheel reduction gear assembly respectively, also comprise the inter-wheel differential assembly (26) be located in axle case assy, main gearbox assembly (2), left half axle (5) and right axle shaft (6); Described main gearbox assembly (2) and described inter-wheel differential assembly (26) are connected; It is characterized in that:
The terminal pad (8) of described oil-immersed multi-disk brake assembly (4) is fixedly connected with described axle case assy by bolt, be provided with the friction pair that friction lining (9) and driven disc (17) form in the brake cylinder (12) of described oil-immersed multi-disk brake assembly, this friction pair is in the environment that immersion oil closes; The friction lining (9) of described oil-immersed multi-disk brake assembly is connected with the Hub assembly (10) be located on the wheel reduction gear assembly (3) held axle case assy (1) left and right; The small end of described Hub assembly is provided with male splines, and described friction lining is connected with the spline fitted on the small end of described Hub assembly, and the friction pair that friction lining (9) and driven disc (17) form and Hub assembly (10) realize service brake under fluid control.
2. the wet-type braking driving axle of a kind of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1, is characterized in that:
One end of described left half axle (5) and the left splined hub of described inter-wheel differential assembly (26) are connected, and the other end of described left half axle (5) is connected with the sun wheel (7) of the wheel reduction gear assembly (3) being located at axle case assy (1) left end; One end of described right axle shaft (6) and the right splined hub of described inter-wheel differential assembly (26) are connected, and the other end of described right axle shaft (6) is connected with the sun wheel (7) of the wheel reduction gear assembly (3) being located at axle case assy (1) right-hand member.
3. the wet-type braking driving axle of a kind of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, is characterized in that:
The single reduction final drive that described main gearbox assembly (2) is skew bevel wheel transmission, the driven gear (20) of described main gearbox assembly is fixedly connected with inter-wheel differential assembly (26) by bolt, the driving gear (23) of described main gearbox assembly is gear shaft structure, its rear and front end, respectively by cylindrical roller bearing and the supporting of two tapered roller bearings, is fixedly connected with the supporting shell (19) of main gearbox assembly (2) by bolt for the bearing seat (21) installing two tapered roller bearings; The lower end of described driving gear (23) is provided with male splines and outside thread, input driving flange (22) and the spline fitted on the lower end of described driving gear (23), and fastening with jam nut (24).
4. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, it is characterized in that: be provided with dental formula differential (25) in described inter-wheel differential assembly (26), the master and slave rotating ring of described dental formula differential (25) automatically engages when rotating speed changes and is separated and realizes differential.
5. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, it is characterized in that: described wheel reduction gear assembly (3) is connected with axle case assy (1), described wheel reduction gear assembly (3) is connected by spline fitted with oil-immersed multi-disk brake assembly (4).
6. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, is characterized in that: described oil-immersed multi-disk brake assembly (4) is provided with float grease seal (11) and realizes sealing with float grease seal (11) corresponding matching on described wheel reduction gear assembly (3).
7. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, is characterized in that: described side reducer assembly (3) adopts planetary gear speed-reduction drive mechanism.
8. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, it is characterized in that: platen (15) and the hydraulic disk (18) of described oil-immersed multi-disk brake assembly (4) are bolted, and the brake cylinder (12) of described oil-immersed multi-disk brake assembly (4) is provided with air bleeder screw plug component (14).
9. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 8, it is characterized in that: the spring (13) of described oil-immersed multi-disk brake assembly (4) is bolted on described platen (15), in hydraulic oil release pusher dynamic pressure dish release braking.
10. the wet-type braking driving axle of coal mine explosion-proof MPV (Multi-Purpose Vehicle) according to claim 1 and 2, it is characterized in that: resilient sleeve (16) and the described hydraulic disk (18) of described oil-immersed multi-disk brake assembly (4) are connected, the gap produced after automatically eliminating friction disc wear by friction drag.
CN201520746217.7U 2015-09-24 2015-09-24 Explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine Active CN205033943U (en)

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CN201520746217.7U CN205033943U (en) 2015-09-24 2015-09-24 Explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835623A (en) * 2016-05-13 2016-08-10 中国煤炭科工集团太原研究院有限公司 Compact drive axle for coal mine underground vehicle
CN105946461A (en) * 2016-04-13 2016-09-21 四川理工学院 Electrical wet-type axle and production assembly method
CN108859608A (en) * 2018-08-29 2018-11-23 重庆坚峰汽车科技有限公司 A kind of non-maintaining single-stage speed reducing electric drive axle
CN110043583A (en) * 2019-04-28 2019-07-23 浙江金道科技股份有限公司 Drive axle and its brake assembly
CN110043585A (en) * 2019-04-28 2019-07-23 浙江金道科技股份有限公司 A kind of wet-type braking driving axle
CN110171789A (en) * 2019-06-28 2019-08-27 合肥海源机械有限公司 A kind of fork truck type wet drive axle
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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105946461A (en) * 2016-04-13 2016-09-21 四川理工学院 Electrical wet-type axle and production assembly method
CN105835623A (en) * 2016-05-13 2016-08-10 中国煤炭科工集团太原研究院有限公司 Compact drive axle for coal mine underground vehicle
CN108859608A (en) * 2018-08-29 2018-11-23 重庆坚峰汽车科技有限公司 A kind of non-maintaining single-stage speed reducing electric drive axle
CN108859608B (en) * 2018-08-29 2023-12-19 重庆坚峰汽车科技有限公司 Maintenance-free single-stage speed reduction electric drive axle
CN110043583A (en) * 2019-04-28 2019-07-23 浙江金道科技股份有限公司 Drive axle and its brake assembly
CN110043585A (en) * 2019-04-28 2019-07-23 浙江金道科技股份有限公司 A kind of wet-type braking driving axle
CN110043585B (en) * 2019-04-28 2024-02-20 浙江金道科技股份有限公司 Wet braking drive axle
CN110043583B (en) * 2019-04-28 2024-05-24 浙江金道科技股份有限公司 Driving axle and brake assembly thereof
CN110171789A (en) * 2019-06-28 2019-08-27 合肥海源机械有限公司 A kind of fork truck type wet drive axle
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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Effective date of registration: 20190521

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 Industrial Co., Ltd.