Suspension type three-level damping walking device for mine roadway mancar

Abstract

The utility model provides a mine roadway mancar suspension type three-stage damping walking device which comprises a car body connecting plate, an upper center plate, a bogie, a bearing box, a cross beam, a wheel set, a first-stage damping mechanism, a second-stage damping mechanism and a third-stage damping mechanism. The upper center plate is arranged in the middle of the bogie through a first-stage damping mechanism, the wheel sets are arranged on the front side and the rear side of the bogie in pairs, and the bearing boxes are arranged on the portions, at the two ends of the wheel sets, of the bogie. The two groups of cross beams are respectively arranged on the left side and the right side of the bogie and are connected with the bogie through the second-stage damping mechanism, the third-stage damping mechanism is arranged on the bearing box, and the upper end of the third-stage damping mechanism is connected with the cross beams. Through cooperative work of the three stages of damping systems, the use efficiency and reliability of equipment can be comprehensively improved, the problem that in the prior art, riding comfort is poor is greatly solved, and the damping system is suitable for being applied and popularized in mine roadway mancar walking devices.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine transportation equipment technical field relates to a mine flat roadway man car walking device, especially for a mine flat roadway man car suspension type three stage damping walking device. BACKGROUND

[0002] In the mining operation, the mine flat roadway man car undertakes the important task of transporting staff. However, due to the complex conditions of mine roadway, the track surface is uneven, there are ups and downs, pits and track joint gaps and other problems, which leads to the mine flat roadway man car to produce violent vibration in the driving process.

[0003] Safety: the existing mine flat roadway man car damping effect is poor, and the strong vibration is easy to make the vehicle parts loose, increase the failure probability, such as bolt loosening leads to key components falling off, threatens the safety of vehicle operation; at the same time, the vibration may make the vehicle track unstable, cause collision and other accidents, and seriously threaten the safety of the people in the vehicle.

[0004] Comfort: frequent and violent vibration will make the passengers feel extremely uncomfortable, increase the fatigue, and long time in this environment, may cause harm to the body, such as spine, joint injury, reduce the work efficiency and personnel health level.

[0005] Although some mine flat roadway man cars are equipped with damping devices on the current market, most of them have simple structure, limited damping effect, and cannot meet the growing safety and comfort needs of mine. For example, some man cars only use simple rubber pad or single stage spring damping, which is difficult to effectively buffer the vibration in complex road conditions, and cannot fundamentally solve the problem.

[0006] Therefore, it is necessary to provide a walking device with good damping performance to improve the safety of the flat roadway man car and the comfort of the passengers during the driving process. Utility model content

[0007] The utility model aims at providing a mine flat roadway man car suspension type three stage damping walking device to solve the technical problems of simple damping structure, difficult to effectively buffer the vibration in complex road conditions, low safety and comfort in the prior art.

[0008] In order to achieve the above purpose, the specific technical scheme of the utility model is as follows:

[0009] A kind of mine flat roadway man-car suspension type three-stage shock-absorbing running device, it includes car body connecting plate, upper heart disc, bogie, bearing box, crossbeam, wheel group, first-stage shock-absorbing mechanism, second-stage shock-absorbing mechanism and three-stage shock-absorbing mechanism, the car body connecting plate is fixed on the upper heart disc, the upper heart disc is arranged in the middle of the bogie by first-stage shock-absorbing mechanism, the wheel group is arranged in pair in the front and back of the bogie, the bearing box is arranged on the bogie at the both ends of wheel group;

[0010] The crossbeam is two groups, respectively arranged in the left and right sides of bogie, is connected with bogie by second-stage shock-absorbing mechanism, and the three-stage shock-absorbing mechanism is arranged on the bearing box, and the upper end is connected with the crossbeam.

[0011] The first-stage shock-absorbing mechanism includes short coil spring group, the short coil spring group includes multiple short coil springs, and the lower end of multiple short coil springs is uniformly fixed on the bogie, and the upper end is fixedly connected with the upper heart disc.

[0012] The middle part of the upper heart disc is provided with a force transmission shaft, the lower end of the force transmission shaft extends out of the upper heart disc and extends into the space surrounded by the upper heart disc and the bogie, and a pressing plate is further arranged between the bogie and the upper heart disc, the upper end of the short coil spring group is fixedly connected with the bottom surface of the pressing plate, and the lower end of the force transmission shaft is fixed with the pressing plate.

[0013] The second-stage shock-absorbing mechanism includes suspension, and the lower end of the suspension is arranged on the bogie, and the upper end is connected with the crossbeam through a pin shaft.

[0014] The three-stage shock-absorbing mechanism includes long coil spring group, and the number of long coil spring group is four, and the lower end is fixed on the four bearing boxes corresponding to wheel group, and the upper end is fixedly connected with the corresponding crossbeam.

[0015] The utility model discloses beneficial effect lies in: the utility model provides a mine flat roadway man -car suspension formula three -level shock -absorbing running device, through setting up three -level shock -absorbing mechanism: the first -level shock -absorbing mechanism is set up between upper heart disc and bogie, is used for when the relative motion between car body and bogie is through the first -level shock -absorbing mechanism to absorb and buffer shock energy, plays the role of primary shock -absorbing, alleviates the direct impact of track uneven to car body, thereby reduce the direct damage of impact force to car body, reduce the risk of loose parts, the second -level shock -absorbing mechanism is set up between bogie and crossbeam, and adopts the suspension device as the second -level shock -absorbing mechanism, can further through the suspension device of the vibration that bogie has received acts on the crossbeam, and the vibration is dispersed to the crossbeam through the transmission of suspension device, thereby inhibiting the relative motion between bogie and car body, guarantees the track stability of vehicle running, prevents the rollover, collision and other accidents of vehicle due to vibration, the third -level shock -absorbing mechanism is set up between bearing box and crossbeam, plays the protection effect to wheel, can make the wheel group adapt to the various force and vibration that are received in the operation process, prolongs the service life of wheel group, can improve the safety of vehicle operation from the whole.

[0016] The technical scheme provided by the utility model can filter vibrations of various frequencies and intensities in all aspects through the cooperative work of the three-level shock-absorbing system, and can effectively buffer and attenuate the initial vibration generated by the wheel contacting the track and the vibration transmitted to the car body through the bogie, thereby effectively reducing the direct impact and wear of the wheel, the rail or other related components caused by the vibration, reducing fatigue damage, prolonging the service life, reducing the cost of maintenance and replacement, and improving the use efficiency and reliability of the equipment. Meanwhile, the suspension device can provide a stable and comfortable riding experience for the passengers under different loads, road conditions and speeds, greatly improving the poor riding comfort in the prior art, and is suitable for popularization and application in the running device of the mine flat roadway man-car. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 It is the sectional view of A-A direction;

[0019] Mark explanation in the drawing: 1, car body connecting plate, 2, bogie, 21, upper heart disc, 3, bearing box, 4, crossbeam, 5, wheel group, 6, short coil spring group, 7, force transmission shaft, 8, pressing plate, 9, suspension, 10, pin shaft, 11, long coil spring group. DETAILED DESCRIPTION

[0020] In order to better understand the purpose, structure and function of the utility model, the utility model is further described in detail below in combination with the drawings.

[0021] As Figure 1 , Figure 2 shown, the utility model provides a kind of mine flat roadway man-car suspension type three-stage damping running device, it includes car body connecting plate 1, upper heart disc 21, bogie 2, bearing box 3, crossbeam 4, wheel group 5, first-stage damping mechanism, second-stage damping mechanism and three-stage damping mechanism, wherein, car body connecting plate 1 is fixed on the upper heart disc 21 by high-strength bolt, the upper heart disc 21 is arranged in the middle part of the bogie 2 by first-stage damping mechanism, and car body is absorbed and buffered by first-stage damping mechanism Shock energy, play the role of preliminary damping, to relieve the direct impact of track uneven to car body, reduce the direct damage of impact force to car body, reduce the risk of loosening of car body parts;

[0022] The wheel group 5 is arranged in pairs on the front and rear sides of the bogie 2, and the bearing box 3 is arranged on the bogie 2 at both ends of the wheel group 5;The crossbeam 4 is two groups, respectively arranged on the left and right sides of the bogie 2, connected with the bogie 2 by the second-stage damping mechanism, and the vibration received by the bogie 2 is further acted on the crossbeam 4 by the suspension 9 device, and the vibration is dispersed to the crossbeam 4 by the transmission of the suspension 9 device;The three-stage damping mechanism is arranged on the bearing box 3, and the upper end is connected with the crossbeam 4, and the three-stage damping mechanism is used to protect the wheel and prolong the service life of the wheel group 5.

[0023] Further, as Figure 2 shown, the first-stage damping mechanism in the embodiment includes a short coil spring group 6, the short coil spring group 6 includes a plurality of short coil springs, preferably four, the lower ends of the four short coil springs are uniformly fixed on the bogie 2, and the upper ends are fixedly connected with the upper heart disc 21. The short coil spring is made of special alloy material with excellent high elasticity and high fatigue life. When the car body and the bogie 2 move relatively, the coil spring absorbs and buffers the shock energy by compression or stretching, thereby preliminarily damping the car body and relieving the direct impact of track unevenness on the car body. Specifically, as Figure 2 shown, the middle part of the upper heart disc 21 is provided with a force transmission shaft 7, the lower end of the force transmission shaft 7 extends out of the upper heart disc 21 and extends into the space surrounded by the upper heart disc 21 and the bogie 2, and the bogie 2 and the upper heart disc 21 are further provided with a pressing plate 8, the upper ends of the short coil spring group 6 are fixedly connected with the bottom surface of the pressing plate 8, and the lower end of the force transmission shaft 7 is fixed with the pressing plate 8.

[0024] Further, as Figure 1As shown, the secondary damping mechanism in the embodiment includes a suspension 9, the lower end of which is arranged on the bogie 2, and the upper end of which is connected with the cross beam 4 through a pin shaft 10. By arranging the suspension 9 device, the force received by the bogie 2 is transmitted and dispersed to the cross beam 4, so that the relative movement between the bogie 2 and the vehicle body can be inhibited, and the vehicle can be effectively prevented from rolling, colliding and other accidents due to vibration.

[0025] Further, as shown, Figure 1 The tertiary damping mechanism includes a long coil spring group 11, the number of which is four, the lower end of which is fixed on the four bearing boxes 3 corresponding to the wheel set 5, and the upper end of which is fixedly connected with the corresponding cross beam 4. The long coil spring group 11 in the embodiment adopts a high-strength coil spring, which can bear a larger load and has good elasticity, and can cope with various forces and vibrations received by the wheel set 5 during driving.

[0026] The tertiary damping system in the embodiment works cooperatively, which can effectively improve the safety of the vehicle body during operation and the comfort of the passengers, effectively reduce the maintenance frequency and the cost of replacing parts, thereby improving the use efficiency and reliability of the equipment, and is suitable for popularization and application in the mine roadway personnel car.

[0027] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A three-stage damping running device for a mine roadway man-car suspension type, characterized in that: It includes car body connecting plate (1), upper heart disc (21), bogie (2), bearing box (3), crossbeam (4), wheel group (5), first level shock absorbing mechanism, second level shock absorbing mechanism and third level shock absorbing mechanism, the car body connecting plate (1) is fixed on the upper heart disc (21), the upper heart disc (21) is arranged in the middle of the bogie (2) through the first level shock absorbing mechanism, the wheel group (5) is arranged in pairs on the front and rear sides of the bogie (2), the bearing box (3) is arranged on the bogie (2) at both ends of the wheel group (5); The crossbeam (4) is two groups, which are arranged on the left and right sides of the bogie (2) respectively, and is connected with the bogie (2) through the second level shock absorbing mechanism, and the third level shock absorbing mechanism is arranged on the bearing box (3) and connected with the crossbeam (4) at the upper end.

2. The three-stage damping running device of the suspension type for the mine roadway man car according to claim 1, characterized in that: The first level shock absorbing mechanism includes a short coil spring group (6), the short coil spring group (6) includes a plurality of short coil springs, the lower ends of the plurality of short coil springs are fixed on the bogie (2) uniformly, and the upper ends are fixedly connected with the upper heart disc (21) respectively.

3. The three-stage damping running device of the suspension type for the mine roadway man car according to claim 2, characterized in that: The middle part of the upper heart disc (21) is provided with a force transmission shaft (7), the lower end of the force transmission shaft (7) extends out of the upper heart disc (21) and extends into the space surrounded by the upper heart disc (21) and the bogie (2), a pressing plate (8) is further arranged between the bogie (2) and the upper heart disc (21), the upper ends of the short coil spring group (6) are fixedly connected with the bottom surface of the pressing plate (8), and the lower end of the force transmission shaft (7) is fixed with the pressing plate (8).

4. The three-stage damping running device of the suspension type for the mine roadway man car according to claim 1, characterized in that: The second level shock absorbing mechanism includes a suspension (9), the lower end of the suspension (9) is arranged on the bogie (2), and the upper end is connected with the crossbeam (4) through a pin shaft (10).

5. The three-stage damping running device of the suspension type for the mine roadway man car according to claim 1, characterized in that: The third level shock absorbing mechanism includes a long coil spring group (11), the number of the long coil spring group (11) is four, the lower ends are fixed on the four bearing boxes (3) corresponding to the wheel group (5) respectively, and the upper ends are fixedly connected with the corresponding crossbeams (4) respectively.

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