CN215622351U

CN215622351U - Wear-resisting thrust wheel

Info

Publication number: CN215622351U
Application number: CN202121987386.1U
Authority: CN
Inventors: 谢慧
Original assignee: Jinan Ruigong Electromechanical Technology Co ltd
Current assignee: Jinan Ruigong Electromechanical Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-25
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a wear-resistant thrust wheel, which relates to the technical field of excavator thrust wheels and comprises a support rod, a damping component and a clamping component, wherein a cross rod is arranged at the bottom of the support rod, two sides of the cross rod are rotatably connected with splicing blocks through ball bearings, a driving block is arranged on one side of each splicing block, a wheel body is arranged on one side of each splicing block and sleeved on the outer surface of the driving block, and the damping component is arranged in the cross rod and used for reducing impact force applied to the wheel body. This kind of bracing wheel can cushion the impact force that produces when jolting through first damping spring time bracing piece, avoids the wheel body to receive the impact force too big and the condition of damage takes place, can leave the reservation gap through the side ring simultaneously, can hold the tiny stone that splashes on the track through reserving the gap, and the condition that the stone causes wheel body and track skew to break away from even with wheel body jack-up when avoiding not reserving the gap takes place.

Description

Wear-resisting thrust wheel

Technical Field

The utility model relates to the technical field of excavator thrust wheels, in particular to a wear-resistant thrust wheel.

Background

The caterpillar is driven by the driving wheel and surrounds the driving wheel, the thrust wheels, the inducer and the flexible chain ring of the riding wheel, and the caterpillar drives the vehicle body by contacting the flexible chain ring with the ground, so that the vehicle body can be driven to move at a position with poor terrain to span various rugged terrains, and the caterpillar is also applied to various fields to provide support and traction functions for various vehicles.

In the field of engineering construction, due to the fact that the terrain on a construction site is complex and rugged, and the situation that the self weight of a hydraulic excavator is large is added, the thrust wheel in the track bears the weight of the excavator, so that the excavator is kept stable integrally, and under the heavy load given to the thrust wheel by the hydraulic excavator, people usually use special wear-resistant materials to manufacture the wear-resistant thrust wheel for the hydraulic excavator, so that the stability of the track is improved.

However, common wear-resisting thrust wheel on the market is mostly directly linked up with hydraulic shovel, does not have the absorbing ability, leads to when meetting jolting, and the impact force directly acts on wheel body and bracing piece, leads to easy cracked condition to take place, and simultaneously, common wear-resisting thrust wheel on the market does not reserve the gap, leads to can jack-up the wheel body when the stone in the building site falls into in the track, causes the condition that wheel body and track skew break away from even to take place.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the background art and provides a wear-resistant thrust wheel, wherein the impact force generated during bumping can be buffered by a support rod through a first damping spring, the wheel body is prevented from being damaged due to overlarge impact force, a reserved gap can be reserved through a side ring, small stones splashed onto a track can be accommodated through the reserved gap, and the situation that the wheel body and the track are offset or even separated due to the fact that the stones jack up the wheel body when no gap is reserved is avoided.

In order to achieve the purpose, the utility model provides the following technical scheme that the wear-resistant thrust wheel comprises a supporting rod, a damping component and a clamping component;

the bottom of the supporting rod is provided with a cross rod, two sides of the cross rod are rotatably connected with splicing blocks through ball bearings, one side of each splicing block is provided with a driving block, one side of each splicing block is provided with a wheel body, and the wheel body is sleeved on the outer surface of the driving block;

the damping component is arranged in the cross rod and used for reducing the impact force on the wheel body;

the wheel body is internally provided with a clamping assembly for fixedly connecting the wheel body and the splicing blocks.

Further, damper unit includes otic placode and first damping spring, all be provided with the otic placode on the inner wall of horizontal pole both sides, the otic placode is located the bracing piece bottom, the otic placode top is provided with first damping spring, first damping spring top is connected with the bracing piece bottom.

Furthermore, the clamping component comprises clamping blocks and clamping grooves, a plurality of clamping blocks are arranged on the outer surface of the driving block, a plurality of clamping grooves are formed in the inner wall of the wheel body, and the clamping blocks are clamped and connected with the clamping grooves.

Further, the bracing piece bottom is provided with the connecting rod, the bracing piece bottom is through the first snubber block of connecting rod fixedly connected with, the inside two second snubber blocks that are provided with of horizontal pole, the second snubber block is close to horizontal pole inner wall one side and is provided with second damping spring, the second damping spring other end is connected with the inner wall of horizontal pole, two the second snubber block is located the left and right sides of drive block respectively, and two the second snubber block top all is provided with the hypotenuse towards drive block one side.

Further, the spout has been seted up to fixture block one side, sliding connection has the stopper in the spout, the stopper is "L" font structure, stopper one side fixedly connected with reset spring, the reset spring other end is connected with the inner wall of spout.

Furthermore, side rings are arranged on two sides of the wheel body, and the diameter of each side ring is larger than that of the wheel body.

Furthermore, a plurality of partition plates are arranged on the outer surface of the wheel body and located between the two side rings.

The utility model provides a wear-resistant thrust wheel, which has the following beneficial effects:

1. the supporting device has the advantages that the first damping spring provides supporting force for the supporting rod, so that the weight of the excavator is distributed on the wheel body, when the excavator encounters bumpy terrain and the crawler belt is extruded, the first damping spring provides support for the suddenly increased pressure of the supporting rod, so that impact force generated during bumping can be buffered, and the wheel body is prevented from being damaged due to overlarge impact force.

2. Secondly, can erect the wheel body through the side ring, leave between wheel body and track and reserve the gap, can hold the tiny stone that splashes on the track through reserving the gap, the stone causes the condition emergence that wheel body and track skew break away from even with wheel body jack-up when avoiding not reserving the gap.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic cross-sectional view of the structure of the tile of the present invention.

Fig. 3 is a cross-sectional view of the cross bar structure of the present invention.

Fig. 4 is an enlarged schematic view of the utility model at a in fig. 2.

FIG. 5 is a schematic view of the structure of the splice of the present invention.

In FIGS. 1-5: 1. a support bar; 101. a first damper block; 2. a cross bar; 201. an ear plate; 202. a first damping spring; 203. a second damping spring; 204. a second damper block; 3. splicing blocks; 301. a drive block; 302. a clamping block; 303. a return spring; 304. a limiting block; 4. a wheel body; 401. a side ring; 402. a separator.

Detailed Description

Example (b):

referring to figures 1-5 of the drawings,

the wear-resistant thrust wheel provided by the embodiment comprises a supporting rod 1, a damping component and a clamping component;

the bottom of the support rod 1 is provided with a cross rod 2, both sides of the cross rod 2 are rotatably connected with splicing blocks 3 through ball bearings, one side of each splicing block 3 is provided with a driving block 301, one side of each splicing block 3 is provided with a wheel body 4, and the wheel body 4 is sleeved on the outer surface of the driving block 301;

the damping component is arranged in the cross rod 2 and used for reducing the impact force on the wheel body 4;

the wheel body 4 is internally provided with a clamping assembly for fixing and connecting the wheel body 4 and the splicing block 3.

Further, the damping component comprises an ear plate 201 and a first damping spring 202, the ear plates 201 are arranged on the inner walls of two sides of the cross rod 2, the ear plates 201 are located at the bottom of the support rod 1, the first damping spring 202 is arranged at the top of the ear plates 201, the top of the first damping spring 202 is connected with the bottom of the support rod 1, in the using process, under the normal condition, the wheel body 4 provides supporting force for the driving block 301, the driving block 301 provides supporting force for the splicing block 3, and then the splicing block 3 supports the cross rod 2, so that the ear plates 201 inside the cross rod 2 provide supporting force for the first damping spring 202, the first damping spring 202 provides supporting force for the support rod 1, further the weight of the excavator is distributed on the wheel body 4, when the excavator encounters the terrain, when the crawler belt is extruded, the first damping spring 202 provides support for the suddenly increased pressure of the support rod 1, and can buffer the impact force generated during the bumping, the wheel body 4 is prevented from being damaged due to overlarge impact force.

Further, the block subassembly includes fixture block 302 and draw-in groove, be provided with a plurality of fixture block 302 on the drive block 301 surface, a plurality of draw-in groove has been seted up on the wheel body 4 inner wall, and fixture block 302 is connected with the draw-in groove block, in the use, when the user need install wheel body 4 on drive block 301, the user can aim at fixture block 302 with the draw-in groove on the wheel body 4 and promote wheel body 4, make draw-in groove and fixture block 302 interlock each other, install wheel body 4 on drive block 301 with this, in the use, the block of each other through draw-in groove and fixture block 302 also can promote the compactness between wheel body 4 and the drive block 301, avoid taking place at the condition that rotation in-process wheel body 4 breaks away from.

Furthermore, a connecting rod is arranged at the bottom of the supporting rod 1, the bottom of the supporting rod 1 is fixedly connected with a first damping block 101 through the connecting rod, two second damping blocks 204 are arranged inside the cross rod 2, one side of each second damping block 204, which is close to the inner wall of the cross rod 2, is provided with a second damping spring 203, the other end of each second damping spring 203 is connected with the inner wall of the cross rod 2, the two second damping blocks 204 are respectively arranged at the left side and the right side of the first damping block 101, the top parts of the two second damping blocks 204 are respectively provided with a bevel edge facing to one side of the first damping block 101, when the excavator is greatly jolted, the supporting rod 1 is pushed to continue to be pressed downwards inside the cross rod 2, at the moment, the two sides of the first damping block 101 are mutually contacted with the second damping blocks 204, when the first damping block 101 is pushed to continue to be pressed downwards by the supporting rod 1, the second damping blocks 204 at the two sides are pushed to extrude the second damping springs 203 to move towards the inner walls at the two sides of the cross rod 2, at this moment, the second damping block 204 is pushed by the second damping spring 203 towards the middle of the cross rod 2, when the second damping block 204 moves towards the middle of the cross rod 2, the inclined edge at the top part pushes the first damping block 101 to move upwards, so that the corresponding upward pushing force is given to the supporting rod 1, the upward pushing force received by the supporting rod 1 and the impact force generated by bumping are offset with each other, the impact force generated by bumping is reduced, and then the wheel body 4 and the excavator are protected, so that the service life of the lifting device and the excavator is prolonged.

Furthermore, a sliding groove is formed in one side of the clamping block 302, a limiting block 304 is slidably connected in the sliding groove, the limiting block 304 is of an L-shaped structure, a return spring 303 is fixedly connected to one side of the limiting block 304, the other end of the return spring 303 is connected with the inner wall of the sliding groove, in the use process, after a user inserts the wheel body 4 onto the driving block 301, the limiting block 304 moves in the sliding groove under the pushing of the return spring 303, one end of the limiting block 304 extends out of the clamping block 302, at the moment, one end of the limiting block 304 abuts against the outer side of the wheel body 4, and then the limiting block 304 limits the wheel body 4, fixes the wheel body 4 onto the driving block 301, improves the use stability of the device, and when the user needs to take the wheel body 4 off from the driving block 301, the limiting block 304 only needs to be pushed to move in the sliding groove and extrude the return spring 303, and then contact between the limiting block 304 and the wheel body 4 is removed, at this time, the user can pull out the wheel body 4 from the driving block 301 for replacement, thereby improving the convenience of replacing the wheel body 4.

Further, wheel body 4 both sides all are provided with side ring 401, and the diameter of side ring 401 is greater than the diameter of wheel body 4, in the use, contact with the track through wheel body 4 laminating mutually, and support the weight of excavator through wheel body 4, two side rings 401 that are greater than wheel body 4 through the diameter can erect wheel body 4, leave the reservation gap between wheel body 4 and track, can hold the tiny stone that splashes on the track through reserving the gap, the stone causes wheel body 4 and the circumstances emergence that the track skew breaks away from even with wheel body 4 jack-up when avoiding not reserving the gap.

The side ring 401 is made of a high-chromium cast iron material, the high-chromium cast iron material has very high toughness, hardness and wear resistance, so that when the side ring 401 is extruded and impacted by a hydraulic excavator and a crawler, the side ring 401 can be guaranteed to resist external impact due to good hardness, the side ring 401 can deform but not break due to high-strength toughness after being impacted by very large impact, and the side ring 401 can be guaranteed to have mechanical properties after being used for a long time due to high wear resistance;

meanwhile, the side ring 401 can be made of alloy steel material with high hardness, the alloy steel material is high in mechanical strength and can resist external impact, but the toughness of the alloy steel material is lower than that of the high-chromium cast iron material, so that the alloy steel material is easy to deform and break when the alloy steel material is subjected to the force exceeding the impact limit, the side ring 401 is difficult to break, the wheel body 4 is difficult to provide supporting force for the excavator, the side ring 401 is made of the material capable of resisting the impact force, and meanwhile, the side ring 401 is made of the material capable of avoiding breaking after being subjected to overlarge stress.

Further, wheel body 4 surface is provided with a plurality of baffle 402, and baffle 402 is located between two side rings 401, in the use, link together two side rings 401 through baffle 402, the side ring 401 of opposite side also can undertake pressure simultaneously when making one side ring 401 receive pressure, avoid the uneven condition that causes heeling or overturn of atress to take place, can prop up wheel body 4 and leave the headspace without influencing side ring 401, let two side rings 401 support wheel body 4 simultaneously, with this hoisting device's stability in use.

When the device is used, a user can align the clamping groove on the wheel body 4 with the clamping block 302 and push the wheel body 4 to enable the clamping groove and the clamping block 302 to be mutually meshed so as to install the wheel body 4 on the driving block 301, in the using process, the tightness between the wheel body 4 and the driving block 301 can be improved through the mutual clamping of the clamping groove and the clamping block 302, the situation that the wheel body 4 is separated in the rotating process is avoided, when the user inserts the wheel body 4 on the driving block 301, the limiting block 304 moves in the sliding groove under the pushing of the return spring 303, one end of the limiting block 304 extends out of the clamping block 302, one end of the limiting block 304 is abutted against the outer side of the wheel body 4, the wheel body 4 is limited through the limiting block 304 and is fixed on the driving block 301, the use stability of the device is improved, after the wheel body 4 is installed on the driving block 301, the device is installed in a track of a hydraulic excavator, the weight of the hydraulic excavator is supported through the supporting rod 1, the wheel body 4 provides supporting force for the driving block 301 under normal conditions, the driving block 301 provides supporting force for the splicing blocks 3, the splicing blocks 3 further support the cross rod 2, so that the lug plates 201 in the cross rod 2 provide supporting force for the first damping springs 202, the first damping springs 202 provide supporting force for the supporting rod 1, the weight of the excavator is distributed on the wheel body 4, the wheel body 4 is in contact with the crawler, the weight of the excavator is supported through the wheel body 4, the wheel body 4 can be erected through the two side rings 401 with the diameter larger than that of the wheel body 4, reserved gaps are reserved between the wheel body 4 and the crawler, fine stones splashed onto the crawler can be accommodated through the reserved gaps, and the situation that the wheel body 4 is lifted by the stones when no gaps are reserved, so that the wheel body 4 and the crawler are deviated or even separated from each other is avoided, the two side rings 401 are connected together through the partition plate 402, so that the side ring 401 at the other side can bear pressure when the side ring 401 at one side is under pressure, the phenomenon of heeling or overturning caused by uneven stress is avoided, the wheel body 4 can be supported by the two side rings 401 at the same time without influencing the reserved space for supporting the wheel body 4 by the side ring 401, the use stability of the lifting device is improved, when the excavator encounters bumpy terrain and the crawler belt is extruded, the impact force generated during bumping can be buffered by supporting the suddenly increased pressure of the supporting rod 1 through the first damping spring 202, the phenomenon that the wheel body 4 is damaged due to overlarge impact force is avoided, when the excavator is subjected to larger bumping, the supporting rod 1 is pushed to continue to press down inside the cross rod 2, at the moment, the two sides of the first damping blocks 101 are in contact with the second damping blocks 204, when the first damping block 101 is pushed by the supporting rod 1 to continue to press downwards, the second damping blocks 204 at two sides push the second damping springs 203 to move towards the inner walls at two sides of the cross rod 2, at the moment, the second damping blocks 204 receive the thrust of the second damping springs 203 towards the middle part of the cross rod 2, when the second damping blocks 204 move towards the middle part of the cross rod 2, the first damping blocks 101 are pushed to move upwards through the inclined edges at the top part, so that the upward thrust is correspondingly given to the supporting rod 1, the upward thrust received by the supporting rod 1 and the impact generated by bumping are mutually offset, the impact generated by bumping is reduced, the wheel body 4 and the excavator are further protected, the service life of the device and the excavator is prolonged, when the weight of the wheel body 4 is difficult to support due to aging, a user can detach the device from the crawler, and then push the limiting blocks 304 to enable the wheel body to move in the sliding chute and push the return springs 303, and then the contact between the limiting block 304 and the wheel body 4 is released, and at this time, the user can pull out the wheel body 4 from the driving block 301 for replacement, so that the replacement convenience of the wheel body 4 is improved, and the device can provide a stable support function for the hydraulic excavator for the user through the structure.

Claims

1. A wear-resistant thrust wheel is characterized by comprising a supporting rod, a damping component and a clamping component;

2. The wear-resistant thrust wheel according to claim 1, wherein the shock absorption assembly comprises an ear plate and a first shock absorption spring, the ear plates are arranged on the inner walls of the two sides of the cross rod, the ear plates are positioned at the bottom of the support rod, the first shock absorption spring is arranged at the top of the ear plates, and the top of the first shock absorption spring is connected with the bottom of the support rod.

3. The wear-resistant thrust wheel as claimed in claim 1, wherein the engaging assembly comprises a plurality of engaging blocks and engaging grooves, the outer surface of the driving block is provided with a plurality of engaging blocks, the inner wall of the wheel body is provided with a plurality of engaging grooves, and the engaging blocks are engaged with the engaging grooves.

4. The wear-resistant thrust wheel according to claim 1, wherein a connecting rod is arranged at the bottom of the supporting rod, a first damping block is fixedly connected to the bottom of the supporting rod through the connecting rod, two second damping blocks are arranged inside the cross rod, a second damping spring is arranged on one side, close to the inner wall of the cross rod, of each second damping block, the other end of each second damping spring is connected with the inner wall of the cross rod, the two second damping blocks are respectively arranged on the left side and the right side of the first damping block, and the top of each second damping block is provided with a bevel edge facing to one side of the first damping block.

5. The wear-resistant supporting wheel according to claim 3, wherein a sliding groove is formed in one side of the clamping block, a limiting block is connected in the sliding groove in a sliding mode, the limiting block is of an L-shaped structure, a return spring is fixedly connected to one side of the limiting block, and the other end of the return spring is connected with the inner wall of the sliding groove.

6. A wear resistant thrust wheel in accordance with claim 1 wherein the wheel body is provided with side rings on both sides and the side rings have a diameter greater than the diameter of the wheel body.

7. A wear-resistant thrust wheel as claimed in claim 6, wherein the outer surface of the wheel body is provided with a plurality of spacers, the spacers being located between the two side rings.