CN216331191U - Quick-change auxiliary walking wheel - Google Patents
Quick-change auxiliary walking wheel Download PDFInfo
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- CN216331191U CN216331191U CN202123322867.3U CN202123322867U CN216331191U CN 216331191 U CN216331191 U CN 216331191U CN 202123322867 U CN202123322867 U CN 202123322867U CN 216331191 U CN216331191 U CN 216331191U
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Abstract
The utility model relates to a quick-change auxiliary travelling wheel, which comprises a connecting frame and a swinging frame hinged on the connecting frame, wherein one end of the swinging frame is connected with a solid wheel through a shaft, the other end of the swinging frame is provided with a spring damping mechanism, the swinging frame also comprises a quick-change pin holder fixedly connected on a vehicle frame, one side of the quick-change pin holder close to the connecting frame is fixedly connected with a plurality of supporting pin shafts, the connecting frame is provided with pin shaft holes matched with the supporting pin shafts, and the connecting frame is connected with the quick-change pin holder through fastening bolts, the connecting frame is pulled out, so that the replacement and maintenance of the traveling wheels are realized.
Description
Technical Field
The utility model relates to the field of engineering machinery, in particular to the field of travelling wheels, and particularly relates to a quick-change auxiliary travelling wheel.
Background
The running load and the shock absorption of transport vehicles and various running machines, in particular underground scrapers or loaders, are predominantly taken over by the tires. The underground scraper or the underground loader is determined by special operation working conditions, the pneumatic tires are generally adopted at present, and the reason for the fastest damage of the tires of the scraper is that the operation surface is not cleaned cleanly, and sharp large ore blocks which are not collapsed are scratched. When the tire is damaged, the vehicle in the roadway is in a coming and going situation, the scraper with the burst tire must be quickly removed, and the tire is not allowed to be replaced in situ.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the quick-change auxiliary travelling wheel which is quick to start, high in efficiency, safe, reliable and convenient to operate.
The utility model is realized through the following technical scheme, and provides a quick-change auxiliary travelling wheel which comprises a connecting frame and a swinging frame hinged on the connecting frame, wherein one end of the swinging frame is connected with a solid wheel in a shaft mode, the other end of the swinging frame is provided with a spring damping mechanism, the quick-change auxiliary travelling wheel also comprises a quick-change pin base fixedly connected on a vehicle frame, one side, close to the connecting frame, of the quick-change pin base is fixedly connected with a plurality of supporting pin shafts, a pin shaft hole matched with the supporting pin shafts is formed in the connecting frame, and the connecting frame is connected with the quick-change pin base through a fastening bolt.
The swing span in this scheme articulates on the link, the one end at the swing span is installed to solid wheel, when the swing span luffing motion, the spring damper of the other end plays the cushioning effect to the swing of swing span, thereby play the cushioning effect to solid wheel, the solid wheel that sets up in this scheme can reduce tire damage probability, the extension tire life-span, reduce and change the number of times, the support pin axle on the quick change key seat inserts in the round pin shaft hole of link, undertake the weight of frame through the round pin axle, link together link with the quick change key seat through fastening bolt, when dismantling the walking wheel, only need pull down fastening bolt, outwards pull out the link, thereby realize the change maintenance of walking wheel.
Preferably, the supporting pin shaft is a stepped shaft, the end part of the supporting pin shaft is a large-diameter end, the pin shaft hole comprises a large-diameter hole and a small-diameter hole which are communicated up and down, the small-diameter end of the supporting pin shaft is matched with the small-diameter hole, the diameter of the large-diameter end of the supporting pin shaft is smaller than that of the large-diameter hole, and the large-diameter hole is located above the small-diameter hole.
The minor diameter end and the minor diameter hole adaptation of backing pin axle in this scheme, when the installation targets in place, backing pin axle's major diameter end card is in the minor diameter hole outside, even if fastening bolt is not hard up, the link can not deviate from yet.
Preferably, the spring damping mechanism comprises an articulated screw rod and a damping spring sleeved on the articulated screw rod, the upper end of the articulated screw rod is hinged to the connecting frame, the lower end of the damping spring is supported at the lower end of the articulated screw rod, and one end, far away from the solid wheel, of the swinging frame is supported at the upper end of the damping spring. In the scheme, one end of the swing frame, which is far away from the solid wheel, is supported at the upper end of the damping spring, and the lower end of the damping spring is supported at the lower end of the movable joint screw rod, so that the swing frame is damped.
Preferably, the lower end of the movable joint screw rod is sleeved with a spring seat for supporting the lower end of the damping spring, and the movable joint screw rod is provided with a spring fastening nut for supporting the spring seat. Through adjusting the tightening amount of the spring fastening nut in the scheme, the compression amount of the damping spring can be adjusted.
Preferably, the solid wheel comprises a metal wheel body and a polyurethane tire body fixedly connected to the outer ring of the wheel body. The solid wheel includes the wheel body of metal and rigid coupling in the matrix of the polyurethane of wheel body outer lane in this scheme, realizes the walking through the matrix of polyurethane.
As an optimization, the supporting pin shafts are provided with 4 supporting pins which are arranged in a rectangular shape, and the fastening bolts are provided with two rectangular frames which are surrounded by the supporting pin shafts. Support pin axle is provided with 4 in this scheme, improves support pin axle's bearing capacity, and fastening bolt is provided with two, convenient to detach.
Preferably, a handle positioned above the solid wheel is fixedly connected to the swing frame. The handle that sets up in this scheme is convenient for when changing the swing span mention the swing span.
The utility model has the beneficial effects that: according to the quick-change auxiliary travelling wheel, the spring damping mechanism has a damping effect on the swinging of the swinging frame, the adopted solid wheels can reduce the damage probability of tires, prolong the service life of the tires and reduce the replacement times, the supporting pin shaft is inserted into the pin shaft hole to bear the weight of a frame, the connecting frame is connected with the quick-change pin seat through the fastening bolt, and when the travelling wheel is disassembled, the fastening bolt only needs to be disassembled to pull out the connecting frame outwards, so that the travelling wheel is replaced and maintained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2 in accordance with the present invention;
shown in the figure:
1. the quick-change pin base comprises a quick-change pin base, 2, a connecting frame, 3, a swing frame, 4, a handle, 5, a wheel shaft, 6, a bearing, 7, a spacer sleeve, 8, a bearing gland, 9, a dust cover, 10, a sealing ring, 11, an adjusting spacer sleeve, 12, a wheel shaft nut, 13, a tire body, 14, a wheel body, 15, a supporting pin shaft, 16, a spring fastening nut, 17, a spring seat, 18, an eyelet screw rod, 19, a bolt assembly, 20, a fastening bolt, 21, a supporting pin shaft, 22, a pin shaft hole, 23 and a damping spring.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 to 3, the quick-change auxiliary road wheel provided by the utility model comprises a connecting frame 2, a swinging frame 3 hinged on the connecting frame 2, and a quick-change pin boss 1 fixedly connected on a vehicle frame, wherein the connecting frame 2 is attached to the side surface of the quick-change pin boss 1.
One side of the quick-change pin boss 1 close to the connecting frame 2 is fixedly connected with a plurality of supporting pin shafts 21, a pin shaft hole 22 matched with the supporting pin shafts 21 is formed in the connecting frame 2, and the connecting frame 2 is connected with the quick-change pin boss 1 through a fastening bolt 20.
The number of the supporting pin shafts 21 is 4, the supporting pin shafts are arranged in a rectangular shape, the two fastening bolts 20 are arranged in a rectangular frame formed by the supporting pin shafts 21 in a surrounding mode, and the two fastening bolts 20 are arranged up and down.
The support pin shaft 21 is a stepped shaft, the end part of the support pin shaft 21 is a large-diameter end, the pin shaft hole 22 comprises a large-diameter hole and a small-diameter hole which are communicated up and down, as shown in fig. 1, the pin shaft holes 22 are arranged on two sides of the connecting frame 2, so that the left and right interchangeability is facilitated, the large-diameter hole is a round hole, and the small-diameter hole is a vertical strip hole.
The small-diameter end of the supporting pin shaft 21 is matched with the small-diameter hole, the diameter of the small-diameter end of the supporting pin shaft 21 is equal to the width of the small-diameter hole, the length of the small-diameter end of the supporting pin shaft 21 is equal to the thickness of the small-diameter hole, the diameter of the large-diameter end of the supporting pin shaft 21 is smaller than that of the large-diameter hole, the large-diameter hole is located above the small-diameter hole, when the connecting frame 2 is disassembled, the fastening bolt 20 is firstly disassembled, the frame is jacked up through the jack, and therefore the large-diameter end of the supporting pin shaft 21 falls into the large-diameter hole, and the pin shaft 21 is pulled out.
The swing frame 3 is transversely arranged, one end of the swing frame 3 is axially connected with a solid wheel, and the solid wheel comprises a metal wheel body 14 and a polyurethane tire body 13 fixedly connected to the outer ring of the wheel body 14.
The wheel body 14 is arranged on the wheel shaft 5, and a bearing 6, a spacer 7, a bearing gland 8, a dust cover 9, a sealing ring 10 and an adjusting spacer 11 are arranged between the wheel body 14 and the wheel shaft 5. The axle 5 is fastened to one end of the swing frame 3 by means of an axle nut.
The other end of the swing frame 3 is provided with a spring damping mechanism which comprises an articulated screw rod 18 and a damping spring 23 sleeved on the articulated screw rod 18, and one end of the swing frame 3 far away from the solid wheel is supported at the upper end of the damping spring 23. The upper end of the movable joint screw 18 is hinged to the connecting frame 2, in this embodiment, the connecting frame 2 is provided with a supporting pin 15 in a penetrating manner, and the upper end of the movable joint screw 18 is fixedly connected with a round sleeve sleeved on the supporting pin 15, so that the upper end of the movable joint screw 18 is hinged to the connecting frame 2.
The lower end of a damping spring 23 is supported at the lower end of an articulated screw 18, a spring seat 17 for supporting the lower end of the damping spring 23 is sleeved at the lower end of the articulated screw 18, a spring fastening nut 16 for supporting the spring seat 17 is arranged on the articulated screw 18, and two spring fastening nuts 16 are arranged to play a role in preventing looseness.
And a handle 4 positioned above the solid wheel is fixedly connected to the swing frame 3.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a supplementary walking wheel of quick change which characterized in that: including link (2) and articulate swing span (3) on link (2), the one end coupling of swing span (3) has solid round wheel, and the other end of swing span (3) is equipped with spring shock absorber mechanism, still includes quick change round pin seat (1) of rigid coupling on the frame, one side rigid coupling that quick change round pin seat (1) is close to link (2) has a plurality of backing pin axle (21), open round pin shaft hole (22) that have with backing pin axle (21) adaptation on link (2), link (2) are connected with quick change round pin seat (1) through fastening bolt (20).
2. The quick-change auxiliary road wheel according to claim 1, wherein: the support pin shaft (21) is a stepped shaft, the end part of the support pin shaft (21) is a large-diameter end, the pin shaft hole (22) comprises a large-diameter hole and a small-diameter hole which are communicated up and down, the small-diameter end of the support pin shaft (21) is matched with the small-diameter hole, the diameter of the large-diameter end of the support pin shaft (21) is smaller than that of the large-diameter hole, and the large-diameter hole is located above the small-diameter hole.
3. The quick-change auxiliary road wheel according to claim 1, wherein: the spring damping mechanism comprises an articulated screw rod (18) and a damping spring (23) sleeved on the articulated screw rod (18), the upper end of the articulated screw rod (18) is hinged to the connecting frame (2), the lower end of the damping spring (23) is supported at the lower end of the articulated screw rod (18), and one end, far away from the solid wheel, of the swinging frame (3) is supported at the upper end of the damping spring (23).
4. The quick-change auxiliary road wheel according to claim 3, wherein: the lower end of the movable joint screw rod (18) is sleeved with a spring seat (17) for supporting the lower end of the damping spring (23), and the movable joint screw rod (18) is provided with a spring fastening nut (16) for supporting the spring seat (17).
5. The quick-change auxiliary road wheel according to claim 1, wherein: the solid wheel comprises a metal wheel body (14) and a polyurethane tire body (13) fixedly connected to the outer ring of the wheel body (14).
6. The quick-change auxiliary road wheel according to claim 1, wherein: the support pin shafts (21) are arranged in a rectangular shape, and the fastening bolts (20) are arranged in two rectangular frames surrounded by the support pin shafts (21).
7. The quick-change auxiliary road wheel according to claim 1, wherein: and a handle (4) positioned above the solid wheel is fixedly connected to the swing frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123322867.3U CN216331191U (en) | 2021-12-28 | 2021-12-28 | Quick-change auxiliary walking wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123322867.3U CN216331191U (en) | 2021-12-28 | 2021-12-28 | Quick-change auxiliary walking wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216331191U true CN216331191U (en) | 2022-04-19 |
Family
ID=81166395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123322867.3U Active CN216331191U (en) | 2021-12-28 | 2021-12-28 | Quick-change auxiliary walking wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216331191U (en) |
-
2021
- 2021-12-28 CN CN202123322867.3U patent/CN216331191U/en active Active
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