CN217623032U

CN217623032U - Service robot wheel suspension shock-absorbing structure

Info

Publication number: CN217623032U
Application number: CN202123457332.7U
Authority: CN
Inventors: 刘平; 陶智辉; 贾林; 涂静一; 王一科
Original assignee: Shenzhen Zhongzhi Yonghao Robot Co ltd
Current assignee: Shenzhen Zhongzhi Yonghao Robot Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-21
Anticipated expiration: 2031-12-28

Abstract

The embodiment of the utility model discloses service robot wheel suspension shock-absorbing structure, include: leaf spring, mounting and wheel subassembly, the one end of leaf spring with the mounting is connected, the leaf spring with the wheel subassembly is connected. Through implementing the utility model discloses service robot wheel hangs shock-absorbing structure can realize the shock attenuation of robot wheel, ensures the even running of robot wheel, and is with low costs, simple structure and reliability height.

Description

Service robot wheel suspension shock-absorbing structure

Technical Field

The utility model relates to the technical field of robot, especially, relate to a service robot wheel suspension shock-absorbing structure.

Background

At present, along with the development of intelligent industry, the hands are liberated, the production efficiency is improved, the life is more beautiful due to science and technology, more and more intelligent products are served for production life, and the application of the robot is more and more extensive.

Most of wheels of the existing robot comprise two types, one type is a rigid wheel structure, a damping system is not arranged in the moving process, and jolt is obvious in the moving process, so that adverse effects are brought to the moving stability of the robot, for example, poor stability causes unstable movement, large jolt vibration is caused, frequency is increased, so that poor integral rigidity is caused, poor stability is caused, and the failure rate is increased. The other type is a wheel structure with a damping mechanism, but the damping mechanism is usually a cantilever, a spring and a parallelogram damping mechanism, and has the disadvantages of structural design, complex assembly and higher cost.

Therefore, it is necessary to design a new structure, which realizes the damping of the wheels of the robot, ensures the smooth operation of the wheels of the robot, and has low cost, simple structure and high reliability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a service robot wheel suspension shock-absorbing structure.

In order to solve the technical problem, the purpose of the utility model is realized through following technical scheme: provided is a service robot wheel suspension shock-absorbing structure, including: leaf spring, mounting and wheel subassembly, the one end of leaf spring with the mounting is connected, the leaf spring with the wheel subassembly is connected.

The further technical scheme is as follows: one end of the plate spring is connected with the fixing piece through a fastening piece.

The further technical scheme is as follows: the leaf spring includes first diaphragm, first swash plate, second diaphragm, second swash plate and third diaphragm, first diaphragm with the mounting is connected, the one end of first diaphragm with the upper end of first swash plate is connected, the lower extreme of first swash plate with the one end of second diaphragm is connected, the other end of second diaphragm with the lower extreme of second swash plate is connected, the upper end of second swash plate with the one end of third diaphragm is connected.

The further technical scheme is as follows: the wheel assembly is connected with the third cross plate.

The further technical scheme is as follows: the wheel assembly is connected with the third transverse plate through a fixing block.

The further technical scheme is as follows: and an elastic part is connected between the third transverse plate and the fixing part.

The further technical scheme is as follows: one side of the fixing part, which is far away from the third transverse plate, is connected with a fixing frame, one end of the elastic part is connected with the fixing frame, and the other end of the elastic part is connected with the third transverse plate.

The further technical scheme is as follows: the elastic member includes a damper spring.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses a set up leaf spring, mounting and wheel subassembly, utilize the leaf spring to be connected with the mounting, wheel subassembly is connected on the leaf spring, when meetting the road surface of jolting, wheel subassembly can float from top to bottom along with the leaf spring to realize the shock attenuation of robot wheel, ensure the even running of robot wheel, it is with low costs, simple structure and reliability height.

The invention is further described with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic perspective view of a wheel suspension damping structure of a service robot according to an embodiment of the present invention;

fig. 2 is an explosion structure diagram of a service robot wheel suspension shock absorption structure according to an embodiment of the present invention;

the labels in the figures illustrate:

10. a fixed mount; 20. an elastic member; 30. a first transverse plate; 31. a first sloping plate; 32. a second transverse plate; 33. a second swash plate; 34. a third transverse plate; 40. a fixing member; 50. a fixed block; 60. a wheel assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, fig. 1 is a schematic perspective view of a wheel suspension damping structure of a service robot according to an embodiment of the present invention; the structure can be applied to wheel damping application scenes such as service robots and distribution robots, and the condition of unevenness and bumpiness on the road surface is reduced; high reliability and excellent damping performance.

Referring to fig. 1 and 2, the wheel suspension shock absorption structure of the service robot includes: a leaf spring, a fixing member 40, and a wheel assembly 60, wherein one end of the leaf spring is connected to the fixing member 40, and the leaf spring is connected to the wheel assembly 60.

When the wheel assembly 60 meets a bumpy road, such as when the wheel assembly 60 passes a ridge or a ditch, the wheel assembly 60 floats up and down along with the plate spring, so that the machine can be stably operated by elastic buffering in the operation process, and bumping is reduced; the whole structure is simple, the reliability is strong, and the cost is low.

In one embodiment, referring to fig. 2, one end of the plate spring is connected to the fixing member 40 by a fastening member.

In an embodiment, referring to fig. 2, the plate spring includes a first horizontal plate 30, a first inclined plate 31, a second horizontal plate 32, a second inclined plate 33, and a third horizontal plate 34, the first horizontal plate 30 is connected to the fixing member 40, one end of the first horizontal plate 30 is connected to an upper end of the first inclined plate 31, a lower end of the first inclined plate 31 is connected to one end of the second horizontal plate 32, the other end of the second horizontal plate 32 is connected to a lower end of the second inclined plate 33, and an upper end of the second inclined plate 33 is connected to one end of the third horizontal plate 34.

In one embodiment, referring to fig. 2, the wheel assembly 60 is connected to the third cross plate 34.

In one embodiment, referring to fig. 2, the wheel assembly 60 is connected to the third cross plate 34 through the fixing block 50.

Of course, in other embodiments, the wheel assembly 60 may also be directly welded to the second cross plate 32, or may be mounted by other fixing methods.

In an embodiment, referring to fig. 1 and 2, the elastic member 20 is connected between the third cross plate 34 and the fixing member 40. The resilient member 20 may act to limit the magnitude of the upward and downward float of the leaf spring.

In an embodiment, referring to fig. 1 and fig. 2, a side of the fixing member 40 away from the third transverse plate 34 is connected to the fixing frame 10, one end of the elastic member 20 is connected to the fixing frame 10, and the other end of the elastic member 20 is connected to the third transverse plate 34.

In this embodiment, the fixing frame 10 is provided with a first limiting block, the third transverse plate 34 is provided with a second limiting block, and the first limiting block and the second limiting block are respectively embedded in the elastic member 20 to limit the installation of the elastic member 20.

In this embodiment, when wheel subassembly 60 meets the road of jolting, for example wheel subassembly 60 crosses the bank or crosses the ditch, wheel subassembly 60 floats from top to bottom with following the leaf spring, and the leaf spring can kick-back in the effect of the compressive force of elastic component 20 this moment, through the collocation of leaf spring and elastic component 20, makes wheel subassembly 60 more steady in the operation, has reduced jolting, simple structure, and is reliable, and is with low costs. The damping structure can be used singly or jointly.

In one embodiment, the elastic member 20 includes a shock absorbing spring.

Of course, in other embodiments, the elastic element 20 may be a tension spring.

In this embodiment, the fixing member 40 may be connected to the robot body.

The service robot wheel suspension damping structure is characterized in that the plate spring, the fixing piece 40 and the wheel assembly 60 are arranged, the plate spring is connected with the fixing piece 40, the wheel assembly 60 is connected onto the plate spring, and when the service robot wheel suspension damping structure encounters a bumpy road surface, the wheel assembly 60 can vertically float along with the plate spring to achieve damping of the robot wheel, smooth operation of the robot wheel is guaranteed, cost is low, the structure is simple, and reliability is high.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A service robot wheel suspension shock-absorbing structure, comprising: the wheel assembly comprises a plate spring, a fixing piece and a wheel assembly, wherein one end of the plate spring is connected with the fixing piece, and the plate spring is connected with the wheel assembly; one end of the plate spring is connected with the fixing piece through a fastening piece; the leaf spring includes first diaphragm, first swash plate, second diaphragm, second swash plate and third diaphragm, first diaphragm with the mounting is connected, the one end of first diaphragm with the upper end of first swash plate is connected, the lower extreme of first swash plate with the one end of second diaphragm is connected, the other end of second diaphragm with the lower extreme of second swash plate is connected, the upper end of second swash plate with the one end of third diaphragm is connected.

2. The service robot wheel suspension shock absorbing structure of claim 1, wherein the wheel assembly is connected to the third cross plate.

3. The service robot wheel suspension shock absorbing structure as claimed in claim 2, wherein the wheel assembly is connected to the third cross plate by a fixing block.

4. The service robot wheel suspension shock absorbing structure as claimed in claim 1, wherein an elastic member is connected between the third cross plate and the fixing member.

5. The service robot wheel suspension shock absorption structure as claimed in claim 4, wherein a fixing frame is connected to a side of the fixing member away from the third cross plate, one end of the elastic member is connected to the fixing frame, and the other end of the elastic member is connected to the third cross plate.

6. The service robot wheel suspension shock absorbing structure as claimed in claim 5, wherein the elastic member includes a shock absorbing spring.