CN214523251U - Damping type underground material transporting vehicle - Google Patents

Abstract

The application relates to a damping type underground material conveying vehicle, which comprises a vehicle frame and a vehicle body arranged on the vehicle frame; an axle is connected below the frame; the axle is provided with a damping block; the damping block comprises a bottom plate, a damping body and a limiting block; the shock absorption body is fixedly arranged on the bottom plate and is internally provided with a cavity; the limiting block is embedded in the cavity; the elastic strength of the shock absorption body is smaller than that of the limiting block; an elastic support frame is fixedly arranged below the limiting block in the shock absorber; the upper end of the elastic support frame is abutted against the lower end face of the limiting block. This application has the impact force that the buffering axle jumped upward, prevents the effect that the interior material of car hopper spills.

Description

Damping type underground material transporting vehicle

Technical Field

The application relates to the field of mine downhole operation machinery, in particular to a damping type underground material conveying vehicle.

Background

At present, the underground material conveying vehicle is mainly applied to underground mines, mainly used for loading, transporting and dumping operations, can also be applied to projects such as roads, railways, tunnels, buildings and the like, and is suitable for operation surfaces with severe working conditions, narrow and low operation sites and muddy operation surfaces.

In the prior art, reference can be made to a utility model patent with an authorization publication number of CN207191053U, which discloses an underground mine car rail transport vehicle, comprising a vehicle body, a fixed bolt, a rotating shaft, a rail fixed wheel, an alarm device, a triangular reinforcing plate, a connector, a reinforcing rib, a side plate, a transport vehicle body and a fixed frame; alarm device comprises alarm lamp, integrated circuit board, singlechip, data transmission line, speedtransmitter, and the alarm lamp is installed on integrated circuit board, and singlechip bottom and integrated circuit board top welding, integrated circuit board pass through data transmission line and are connected to speedtransmitter, and the alarm lamp passes through the electricity with the singlechip to be connected, and the alarm lamp side is connected with the automobile body is inside, and this structure is through increasing alarm device, can realize vehicle overspeed alarming function, has reduced the danger of using, improves use value.

Aiming at the defects of the prior art, the applicant believes that when an underground material transporting vehicle transports materials, as the road surface of a mine is generally rugged and the load of the material transporting vehicle is also larger, the material transporting vehicle jumps on an axle during running, so that the phenomenon of bumping occurs, materials in a car hopper are splashed outwards, and the waste of the materials is caused. Therefore, a damping block is required to be arranged on the frame to balance the impact force generated by the axle jumping caused by the road bumping in the driving process of the material transporting vehicle, and the material in the hopper is prevented from being poured out.

SUMMERY OF THE UTILITY MODEL

In order to improve the shock attenuation nature problem of dumper driving in-process, the application provides a shock-proof type underground dumper.

The application provides a shock-proof type underground material transporting vehicle adopts following technical scheme:

a damping type underground material conveying vehicle comprises a vehicle frame and a vehicle body arranged on the vehicle frame; an axle is connected below the frame; the axle is provided with a damping block; the damping block comprises a bottom plate, a damping body and a limiting block; the shock absorption body is fixedly arranged on the bottom plate and is internally provided with a cavity; the limiting block is embedded in the cavity; the elastic strength of the shock absorption body is smaller than that of the limiting block; an elastic support frame is fixedly arranged above the limiting block in the shock absorption body; the lower end of the elastic support frame is abutted against the upper end face of the limiting block.

Through adopting above-mentioned technical scheme, when the dumper took place to jolt, the axle was beated and can be leaded to axle and shock absorber to bump, and the shock absorber takes place the vibration that deformation attenuation dumper produced this moment. After the axle collides with the stopper, because the elastic strength of stopper is greater than the elastic strength of shock attenuation body, can produce the resilience force, the elastic support frame of stopper lower extreme also can take place to kick-back after receiving the extrusion simultaneously, and supplementary stopper drives the snubber block together and resumes to original shape, avoids the excessive deformation of snubber block, the life of extension snubber block.

Preferably, the outer surface of the limiting block is glued with a protection pad in a circular truncated cone shape; the protection pad and the outer shock absorption body are of an integrated structure and the height of the protection pad is smaller than that of the shock absorption body.

Through adopting above-mentioned technical scheme, when axle and snubber block bump, because seted up the cavity in the middle of the snubber block, so the impact that the snubber block middle part received is the biggest, and past both sides deflection reduces gradually, and the protection pad of round platform form can make the middle and the softness on both sides of snubber block produce great uniformity, avoids stress too concentrated to lead to the snubber block surface to produce the crack.

Preferably, the elastic support frame is an arc-shaped structure with the middle part protruding upwards; a buffer hole is formed in the elastic support frame; guide columns are fixedly arranged at the two ends and the middle part of the buffer hole; and a compression spring is vertically and fixedly arranged on the guide column.

Through adopting above-mentioned technical scheme, when the stopper receives the extrusion and takes place deformation, can extrude the inside compression spring of elastic support frame, compression spring resumes elastic deformation this moment and can provide the cushion effect of perpendicular guide post direction, has shared the bearing capacity that protection pad and shock attenuation body bore, has reduced the decurrent shearing force of slope that the stopper both sides protection pad received, prevents that the protection pad from tearing, has prolonged the life of snubber block.

Preferably, the end part of the shock absorber is provided with an exhaust groove communicated with the inside of the cavity.

Through adopting above-mentioned technical scheme, after the space in the shock attenuation body cavity was compressed, the air in the cavity can outwards be discharged along the air discharge duct, provides the possibility that takes place free deformation for the snubber block.

Preferably, the shock absorption block comprises a second bulge and a first bulge in sequence from top to bottom; a first groove is formed between the first protrusion and the second protrusion; a second groove is formed between the second protrusion and the bottom plate; the diameter of the first protrusion is smaller than the diameter of the second protrusion.

Through adopting above-mentioned technical scheme, when the snubber block received the extrusion, first recess and second recess take place the bending folding to fold together first arch and the protruding compression of second, can prevent that the snubber block is owing to receive too big impact load, and cause the too concentrated problem of snubber block side stress, improved the durability of snubber block.

Preferably, the connecting steel plates which are horizontally arranged are fixedly arranged in the first bulges and the second bulges; the connecting steel plate is in a wave shape.

Through adopting above-mentioned technical scheme, when the snubber block received the exogenic action, the bearing capacity of snubber block can be improved in the setting of wave connection steel sheet, has the technological effect of extension snubber block life.

Preferably, the axle is provided with buffer components at two sides of the shock absorption block; the buffer assembly comprises a sliding sleeve fixedly arranged on the axle and a sliding rod which is slidably inserted in the sliding sleeve and the upper end of which is fixedly connected with the vehicle body; the end part of the sliding rod is fixedly provided with a boss for preventing the sliding rod from sliding off from the sliding sleeve; the sliding rod is in threaded connection with an adjusting nut; and a plurality of damping sleeves made of rubber materials are sleeved below the adjusting nut on the sliding rod.

Through adopting above-mentioned technical scheme, when the snubber block pressurized produced deformation, the axle can extrude the slide bar and make it slide in the sliding sleeve, and the shock attenuation cover pressurized that the cover was established on the slide bar simultaneously produced deformation, played supplementary absorbing effect on the one hand, on the other hand can also support the frame, has improved the stability of dumper driving in-process.

Preferably, an annular groove is formed in the shock-absorbing sleeve; and a plurality of deformation holes communicated with the annular groove are formed in the outer wall of the damping sleeve.

Through adopting above-mentioned technical scheme, the setting up of deformation hole and annular groove makes the shock attenuation cover have good deformability, can further play the shock attenuation effect to the dumper.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the dumper bumps, the axle bumps to cause the collision between the axle and the shock absorption body, and the shock absorption body deforms to attenuate the vibration generated by the dumper. After the axle collides with the limiting block, the elastic strength of the limiting block is greater than that of the damping body, so that resilience force can be generated, the elastic support frame at the lower end of the limiting block can rebound after being extruded, the limiting block is assisted to drive the damping block to restore to the original shape, excessive deformation of the damping block is avoided, and the service life of the damping block is prolonged;

2. when the limiting block is extruded to deform, the compression spring in the elastic supporting frame is extruded, and the compression spring recovers the elastic deformation to provide a buffer force in the direction vertical to the guide column, so that the bearing force borne by the protection pad and the damping body is shared, the downward inclined shearing force borne by the protection pads on the two sides of the limiting block is reduced, the protection pad is prevented from being torn, and the service life of the damping block is prolonged;

3. set up buffer unit in the both sides of snubber block, when the snubber block pressurized produces deformation, the axle can extrude the slide bar and make it slide in the sliding sleeve, and the shock attenuation cover pressurized that the cover was established on the slide bar simultaneously produces deformation, plays supplementary absorbing effect on the one hand, and on the other hand can also support the frame, has improved the stability of dumper driving in-process.

Drawings

FIG. 1 is a schematic view of the overall structure of a shock-absorbing underground dumper;

FIG. 2 is a partial structural schematic view of the material transporting vehicle in the embodiment;

FIG. 3 is a schematic structural view of a salient shock-absorbing block in the embodiment;

FIG. 4 is a schematic structural diagram of a salient buffer component in the embodiment.

Description of reference numerals: 1. a frame; 2. a vehicle body; 3. a car hopper; 4. a plate spring; 5. a damper block; 51. a base plate; 52. a shock absorber; 521. a cavity; 53. a limiting block; 54. a first protrusion; 541. a first groove; 55. a second protrusion; 551. a second groove; 6. a protective pad; 7. connecting steel plates; 8. an elastic support frame; 81. a buffer hole; 82. a guide post; 83. a compression spring; 9. an exhaust groove; 10. a buffer assembly; 101. a sliding sleeve; 102. a slide bar; 1021. a boss; 11. adjusting the nut; 12. a shock-absorbing sleeve; 121. an annular groove; 122. a deformation hole; 13. an axle.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses shock-proof type underground material transporting vehicle. Referring to fig. 1, the vehicle comprises a vehicle frame 1 and a vehicle body 2 fixedly arranged on the vehicle frame 1, wherein a hopper 3 for loading materials is arranged at the rear end of the vehicle body 2.

Referring to fig. 2 and 3, an axle 13 for fixing tires is arranged on the frame 1, when the material transporting vehicle runs on a mountain road, bumping can occur to cause the axle 13 to jump upwards, in order to ensure that the material transporting vehicle runs stably and prevent materials in the hopper 3 from scattering, a plate spring 4 fixedly connected to the vehicle body 2 is arranged above the axle 13, and a damping block 5 is connected to the lower end face of the plate spring 4. The damping block 5 comprises a bottom plate 51 and a damping body 52 glued to the lower end face of the bottom plate 51, and the upper end face of the bottom plate 51 is fixedly connected with the lower end of the plate spring 4. The central position of the shock absorber 52 is provided with a cavity 521, the inner wall of the cavity 521 is glued with a protective pad 6 integrally connected with the shock absorber 52 of the external part, the middle part of the protective pad 6 protrudes in the direction far away from the bottom plate 51, the lower end of the protective pad 6 is lower than the plane where the lower end face of the shock absorber 52 is located, and the inside of the truncated cone-shaped protective pad 6 is glued with a limiting block 53 with the elastic strength larger than that of the shock absorber 52.

Referring to fig. 2 and 3, when the dumper jumps up on the axle 13 due to bumping, the damping block 5 collides with the axle 13, the damping body 52 is pressed to deform to absorb partial vibration, when the damping body 52 is compressed to a certain degree, the limiting block 53 in the cavity 521 is compressed, and the damping body 52 and the protection pad 6 are driven to rapidly recover to the original shape together due to the fact that the elastic strength of the limiting block 53 is greater than that of the damping body 52, so that the damping block 5 is prevented from being damaged.

Referring to fig. 3, the damper mass 5 includes a first protrusion 54 and a second protrusion 55 in this order from an end near the axle 13 toward a direction near the bottom plate 51, and an orthographic area of the first protrusion 54 is smaller than an orthographic area of the second protrusion 55. A first groove 541 is formed between the first protrusion 54 and the second protrusion 55, and a second groove 551 is formed between the second protrusion 55 and the bottom plate 51. When the damper block 5 is squeezed, the first groove 541 and the second groove 551 are deformed to prevent the stress on the damper block 5 from being too concentrated.

Referring to fig. 3, the horizontally disposed connecting steel plate 7 is fixedly disposed inside each of the first protrusion 54 and the second protrusion 55, and can bear the impact force generated when the axle 13 jumps up. In order to improve the bending resistance of the connecting steel plate 7, the connecting steel plate 7 is formed in a wave shape.

Referring to fig. 3, the inside top that is located stopper 53 of shock absorber 52 sets firmly the elastic support frame 8 that the lower extreme supports and bumps with stopper 53 up end, and elastic support frame 8 can produce the resilience force after the pressurized, plays the effect that upwards promotes stopper 53, can accelerate the speed that snubber block 5 resumes deformation.

Referring to fig. 3, the elastic support frame 8 is a circular arc-shaped structure with a middle portion protruding toward the bottom plate 51, a circular arc-shaped buffer hole 81 is formed in the elastic support frame 8, guide posts 82 are respectively and fixedly arranged at the middle portion and the two ends of the buffer hole 81, and compression springs 83 are vertically and fixedly arranged on the guide posts 82. The compression spring 83 is pressed to generate upward resilience force of the vertical guide post 82, so that the bearing force of the protection pad 6 is shared, and the protection pad 6 is prevented from being torn.

Referring to fig. 3, an air discharge groove 9 horizontally disposed and communicated with the inside of the cavity 521 is opened at one end of the damper 52 close to the bottom plate 51, and air generated by the damper block 5 after being pressed is discharged to the outside through the air discharge groove 9.

Referring to fig. 2 and 4, the vehicle axle 13 is provided with a shock absorbing assembly 10 at both ends of the shock absorbing block 5. The buffering assembly 10 includes a sliding sleeve 101 vertically fixed on the axle 13, and a sliding rod 102 slidably inserted in the sliding sleeve 101 and having an upper end fixedly connected to the lower end surface of the vehicle body 2. The end of the sliding rod 102 is further fixedly provided with a boss 1021 for preventing the sliding rod 102 from being pulled out from the sliding sleeve 101. An adjusting nut 11 is connected to the upper end of the sliding rod 102 through a screw thread, and a plurality of damping sleeves 12 made of rubber materials and sleeved on the sliding rod 102 are abutted between the adjusting nut 11 and the upper end face of the sliding sleeve 101. The jumping-up of the axle 13 drives the sliding rod 102 to slide in the sliding sleeve 101, so as to extrude the damping sleeve 12, and the effect of auxiliary damping is achieved.

Referring to fig. 4, the inner surface of the damping sleeve 12 is provided with an annular groove 121, and the outer wall of the damping sleeve 12 is uniformly provided with a plurality of deformation holes 122 communicated with the annular groove 121, so that the deformation capability of the damping sleeve 12 is improved by the cooperation of the annular groove 121 and the deformation holes 122, and a good damping effect is facilitated.

The implementation principle of this application embodiment a shock-proof type underground material transporting vehicle does: when the dumper load is large or the dumper runs on a bumpy road surface, the axle 13 jumps up to generate large impact force to compress the damping block 5 to reach a limit state, the damping body 52 on the outer layer of the damping block 5 is compressed to enable the axle 13 to be in contact with the limiting block 53 inside, the elastic strength of the limiting block 53 is greater than that of the damping body 52, the elastic support frame 8 is further arranged below the limiting block 53, and the damping body 52 can be driven to rapidly rebound together to restore the damping block 5 to the original shape. Meanwhile, when the damping block 5 is extruded, the sliding rod 102 can be driven to slide in the sliding sleeve 101, so that a certain supporting effect can be achieved while the damping is assisted, and the stability of the material transporting vehicle in the running process is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A damping type underground material conveying vehicle comprises a vehicle frame (1) and a vehicle body (2) arranged on the vehicle frame (1); an axle (13) is connected below the frame (1); the method is characterized in that: the axle (13) is provided with a damping block (5); the damping block (5) comprises a bottom plate (51), a damping body (52) and a limiting block (53); the shock absorber (52) is fixedly arranged on the bottom plate (51) and is internally provided with a cavity (521); the limiting block (53) is embedded in the cavity (521); the elastic strength of the shock absorption body (52) is smaller than that of the limiting block (53); an elastic support frame (8) is fixedly arranged above the limiting block (53) in the shock absorption body (52); the lower end of the elastic support frame (8) is abutted against the upper end face of the limiting block (53).

2. A shock absorbing underground cart according to claim 1, wherein: the outer surface of the limiting block (53) is glued with a protection pad (6) in a truncated cone shape; the protective pad (6) and the outer layer shock absorption body (52) are of an integral structure, and the height of the protective pad is smaller than that of the shock absorption body (52).

3. A shock absorbing underground cart according to claim 2, wherein: the elastic support frame (8) is an arc-shaped structure with the middle part protruding upwards; a buffer hole (81) is formed in the elastic support frame (8); guide columns (82) are fixedly arranged at the two ends and the middle part of the buffer hole (81); and a compression spring (83) is vertically and fixedly arranged on the guide column (82).

4. A shock absorbing underground cart according to claim 1, wherein: the end part of the shock absorber (52) is provided with an exhaust groove (9) communicated with the inside of the cavity (521).

5. A shock absorbing underground cart according to claim 1, wherein: the shock absorption block (5) sequentially comprises a second bulge (55) and a first bulge (54) from top to bottom; a first groove (541) is formed between the first protrusion (54) and the second protrusion (55); a second groove (551) is formed between the second bulge (55) and the bottom plate (51); the diameter of the first protrusion (54) is smaller than the diameter of the second protrusion (55).

6. The shock absorbing underground cart of claim 5, wherein: the connecting steel plates (7) which are horizontally arranged are fixedly arranged in the first bulges (54) and the second bulges (55); the connecting steel plate (7) is wavy.

7. A shock absorbing underground cart according to claim 1, wherein: buffer components (10) are arranged on the axle and positioned at two sides of the shock absorption block (5); the buffer assembly (10) comprises a sliding sleeve (101) fixedly arranged on the axle (13) and a sliding rod (102) which is slidably inserted in the sliding sleeve (101) and the upper end of which is fixedly connected with the vehicle body (2); a boss (1021) for preventing the sliding rod (102) from slipping out of the sliding sleeve (101) is fixedly arranged at the end part of the sliding rod (102); the sliding rod (102) is in threaded connection with an adjusting nut (11); a plurality of damping sleeves (12) made of rubber materials are sleeved on the sliding rod (102) below the adjusting nut (11).

8. The shock absorbing underground cart of claim 7, wherein: an annular groove (121) is formed in the damping sleeve (12); the outer wall of the shock absorption sleeve (12) is provided with a plurality of deformation holes (122) communicated with the annular groove (121).

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