CN215634686U

CN215634686U - Shock attenuation pull rod and engineering machine tool

Info

Publication number: CN215634686U
Application number: CN202122057946.XU
Authority: CN
Inventors: 高金鹏; 朱梓明; 李进; 沙漳; 陈楚峰
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-25
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a damping pull rod which comprises a pull rod and a sleeve, wherein one end of the pull rod is provided with a chuck, a fixing piece is further arranged on the pull rod, the sleeve is hollow, one end of the sleeve is provided with an end plate, a through hole is formed in the end plate, one part of the pull rod penetrates through the through hole and extends into the sleeve, the end plate is located between the chuck and the fixing piece, the fixing piece is fixed on the pull rod to prevent the pull rod and the sleeve from moving relatively, and an elastic piece is arranged between the chuck and the end plate and/or between the end plate and the fixing piece. According to the utility model, the elastic part is added between the pull rod and the sleeve, so that the shaking and the vibration generated when the radiator works can be effectively buffered, the situations that the shock absorption pull rod is bent or broken and the inner part of the core of the radiator is damaged due to impact can be avoided, and meanwhile, the service lives of the shock absorption pull rod and the radiator are prolonged.

Description

Shock attenuation pull rod and engineering machine tool

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a damping pull rod.

Background

In the mine excavation work field, because the working condition of mine excavation is abominable, and the intensity of vibration is more than the more important of general working condition, and the volume and the weight of the radiator of super large excavation are very heavy, and the installation form requirement to the radiator is also relatively strict, consequently need strengthen the installation to the radiator.

At present, a radiator pull rod is an all-steel type hard connection steel pipe serving as a pull rod, and the radiator and a frame are in hard connection by using the pull rod, namely the upper and lower fixing forms of the pull rod are fixing forms of fixing the radiator and the frame by bolts. However, the hard connection structure is easy to shake the radiator back and forth under severe working conditions, the radiator may be damaged or the pull rod is broken, and the structure lacks a damping effect when the radiator swings back and forth, the radiator is impacted strongly, and the pull rod connection part of the radiator and the core inside the radiator are easy to be impacted seriously, so that the radiator is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping pull rod which can effectively buffer the shaking and the vibration of the damping pull rod and a radiator during working and avoid the situations that the damping pull rod is bent or broken and the radiator is damaged due to impact.

The utility model provides a damping pull rod which comprises a pull rod and a sleeve, wherein one end of the pull rod is provided with a chuck, the pull rod is also provided with a fixing piece, the sleeve is hollow, one end of the sleeve is provided with an end plate, the end plate is provided with a through hole, one part of the pull rod penetrates through the through hole and extends into the sleeve, the end plate is positioned between the chuck and the fixing piece, the fixing piece is fixed on the pull rod to prevent the pull rod and the sleeve from moving relatively, and an elastic piece is arranged between the chuck and the end plate and/or between the end plate and the fixing piece.

In one embodiment, the elastic member is sleeved on the pull rod.

In one embodiment, the elastic member is a rubber pad or a spring.

In one embodiment, two ends of each elastic element are respectively provided with a gasket.

In one embodiment, the fixing member is a nut, and the pull rod is provided with a threaded portion, and the threaded portion is matched with the nut.

In one embodiment, the shock-absorbing pull rod further comprises a first connecting part, and the first connecting part is located at one end, far away from the chuck, of the pull rod.

In one embodiment, the first connecting portion includes a first joint and a threaded hole, the threaded hole is located in a cross section of one end of the pull rod, the end of the pull rod is far away from the sleeve, the first joint is screwed into the threaded hole and is fixedly connected with the pull rod, and the first joint is provided with a first connecting hole.

In one embodiment, the damping pull rod further comprises a second connecting portion, and the second connecting portion is located at one end of the sleeve, which is far away from the end plate.

In one embodiment, the second connecting portion includes a second joint, an opening is formed in one end, away from the end plate, of the sleeve, threads are arranged on the inner side of the opening, the second joint is screwed into the opening and fixedly connected with the sleeve, and a second connecting hole is formed in the second joint.

The utility model also provides engineering machinery which comprises a radiator and the damping pull rod, wherein one end of the pull rod of the damping pull rod is connected to the radiator, and one end of the sleeve of the damping pull rod is connected to a rotary platform of the engineering machinery.

According to the utility model, the elastic part is added between the pull rod and the sleeve, so that the shaking and the vibration of the damping pull rod and the radiator during working can be effectively buffered, the situations that the pull rod is bent or broken and the inner part of the core of the radiator is damaged due to impact are avoided, and meanwhile, the service lives of the damping pull rod and the radiator are prolonged.

Drawings

In order to illustrate embodiments of the present invention or solutions in the prior art more clearly, the drawings needed for the description of the embodiments or solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic structural view of a shock-absorbing tension rod according to an embodiment of the present invention.

Fig. 2 is an exploded view of the shock absorbing tension rod shown in fig. 1.

Fig. 3 is a schematic view of a heat sink connection structure of an engineering machine according to an embodiment of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.

In this document, the terms "first," "second," "third," "fourth," "fifth," and the like (if any) are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In this document, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like (if any) are used in the description to describe the positions of structures in the drawings and the positions of the structures relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the present application.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the display device and the color display method according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.

First embodiment

Referring to fig. 1 and 2, the present invention provides a shock-absorbing tie rod 1 for connecting a radiator 2 to a construction machine. The damping pull rod 1 of an embodiment includes a pull rod 21 and a sleeve 22, wherein one end of the pull rod 21 is provided with a chuck 24, the pull rod 21 is further provided with a fixing member 26, the sleeve 22 is hollow, one end of the sleeve 22 is provided with an end plate 25, the end plate is provided with a through hole, a part of the pull rod 21 penetrates through the through hole and extends into the sleeve 22, the end plate 25 is located between the chuck 24 and the fixing member 26, and the fixing member 26 is fixed on the pull rod 21 to prevent the pull rod 21 and the sleeve 22 from moving relatively. Specifically, the sleeve 22 is a hollow cylinder. It will be appreciated that in other embodiments, the sleeve 22 may be a cylinder of other shapes, such as a polygonal cylinder.

In this embodiment, two elastic members 29 are disposed between the chuck 24 and the end plate 25, one elastic member 29 is disposed between the end plate 25 and the fixing member 26, and the elastic members 29 are all sleeved on the pull rod 21. It will be appreciated that the number of the elastic members 29 between the chucks 24 and the end plates 25 and the number of the elastic members 29 between the end plates 25 and the fixing members 26 can be arbitrarily adjusted according to the weight and height of the heat sink 2. It will be appreciated that the resilient member 29 may be provided only between the chuck 24 and the end plate 25 or only between the mount 26 and the end plate 25.

In this embodiment, the elastic member 29 is sleeved on the pull rod 21.

In the present embodiment, the elastic member 29 is a rubber pad or a spring, but not limited thereto, and it is understood that the elastic member 29 may be other materials with elasticity or shape memory.

In this embodiment, the two ends of each elastic member 29 are respectively provided with a gasket 28, the gasket 28 is arranged between each elastic member 29, and the gasket 28 is a steel gasket, but not limited thereto, and it can be understood that the gasket 28 may be made of other materials.

In this embodiment, the through hole of the end plate 25 is a circular hole, the cross section of the pull rod 21 is circular, the diameter of the through hole of the end plate 25 is larger than that of the pull rod 21, and the diameters of the elastic element 29, the chuck 24 and the gasket 28 are larger than that of the through hole of the end plate 25, so that the elastic element 29 and the gasket 28 are clamped between the end plate 25 and the chuck 24 and cannot fall off from the sleeve 22 even if being pressed. Of course, the cross-section of the through-hole and the tie-rod 21 may have other shapes as long as the chuck 24, the elastic member 29 and the washer 28 are prevented from coming out of the sleeve 22 from the through-hole.

In this embodiment, the fixing element 26 is a nut, a threaded portion is disposed on the pull rod 21, the threaded portion is located at one end close to the chuck 24, and the nut is matched with the threaded portion, so that the nut can be screwed to the end close to the chuck 24 through the threaded portion, and the elastic element 29 and the gasket 28 between the nut and the end plate 25 are fixed, thereby preventing the elastic element 29 and the gasket 28 from moving relatively on the pull rod 21, and avoiding affecting the damping effect. It is understood that the fixing member 26 may be a snap ring or other fixing member, as long as it can be fastened with the pull rod 21.

In this embodiment, the shock absorbing pull rod 1 further includes a first connecting portion, and the first connecting portion is located at an end of the pull rod 21 away from the chuck 24.

Specifically, the first connecting portion includes a first joint 41 and a threaded hole, the threaded hole is located in a cross section of one end of the pull rod 21 far away from the sleeve 22, the first joint 41 is screwed into the threaded hole to be fixedly connected with the pull rod 21, and a first connecting hole 411 is arranged on the first joint 41. It will be appreciated that in other embodiments, the first joint 41 and the pull rod 21 may be fixedly connected in other manners, or the first joint 41 and the pull rod 21 may be integrally formed.

In this embodiment, the shock absorbing stay 1 further includes a second connecting portion at an end of the sleeve 22 away from the end plate 25.

Specifically, the second connecting portion includes a second joint 42, one end of the sleeve 22 away from the end plate 25 is an opening, threads are arranged on the inner side of the opening, the second joint 42 is screwed into the opening to be fixedly connected with the sleeve 22, and a second connecting hole 421 is arranged on the second joint 42. It will be appreciated that in other embodiments, the second connector 42 may be fixedly connected to the sleeve 22 in other manners, or the second connector 42 may be integrally formed with the sleeve 22.

Referring to fig. 3, the present disclosure further provides an engineering machine, which includes a heat sink 2 and the damping rod 1. One end of the pull rod 21 on the shock absorption pull rod 1 is connected to the radiator 2 through a first connection hole 411 on the first joint 41, and one end of the sleeve 22 of the shock absorption pull rod 1 is connected to the rotary platform 3 of the engineering machine through a second connection hole 421 on the second joint 42.

When the engineering machinery works, shaking and vibration are easy to generate, and then the rotary platform 3 drives the radiator 2 to generate shaking and vibration, when the shaking and vibration degrees are larger, the situation that the pull rod is bent or broken, and the core of the radiator 2 is damaged after being impacted can be caused, and the like, but the utility model can buffer the shaking and vibration of the elastic part 29 between the pull rod 21 and the sleeve 22 to the radiator 2 and the shock absorption pull rod 1, avoid the situation that the shock absorption pull rod 1 is bent or broken and the core of the radiator 2 is damaged by impact, prolong the service life of the shock absorption pull rod 1 and the radiator 2, and simultaneously, the pull rod 21 and the sleeve 22 are of separable structures, are convenient to replace, can randomly replace parts therein, and reduce waste.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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 conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions 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 appended claims.

Claims

1. A shock absorbing stay (1) characterized in that it comprises a stay (21) and a sleeve (22), one end of the pull rod (21) is provided with a chuck (24), the pull rod (21) is also provided with a fixing piece (26), the sleeve (22) is hollow, one end of the sleeve (22) is provided with an end plate (25), a through hole is arranged on the end plate, a part of the pull rod (21) passes through the through hole and extends into the sleeve (22), the end plate (25) is located between the chuck (24) and the mount (26), and the fixing piece (26) is fixed on the pull rod (21) to block the pull rod (21) and the sleeve (22) from moving relatively, an elastic piece (29) is arranged between the chuck (24) and the end plate (25) and/or between the end plate (25) and the fixing piece (26).

2. A shock absorbing stay (1) according to claim 1, characterized in that the resilient member (29) is fitted over the stay (21).

3. A shock absorbing stay (1) according to claim 1 characterized in that said elastic member (29) is a rubber pad or a spring.

4. A shock absorbing stay (1) according to claim 1 characterized in that each of said elastic members (29) is provided with a spacer (28) at each end.

5. A shock absorbing stay (1) as claimed in claim 1, wherein the fixing member (26) is a nut, and the stay (21) is provided with a threaded portion, the threaded portion being engaged with the nut.

6. The shock absorbing tie rod (1) of claim 1, further comprising a first connection at an end of the tie rod (21) remote from the chuck (24).

7. A shock absorbing tie rod (1) according to claim 6, wherein said first connection portion comprises a first connector (41) and a threaded hole, said threaded hole is located in the cross section of the end of said tie rod (21) far from said sleeve (22), said first connector (41) is screwed into said threaded hole to be fixedly connected with said tie rod (21), said first connector (41) is provided with a first connection hole (411).

8. The shock absorber tie rod (1) according to claim 1, characterized in that the shock absorber tie rod (1) further comprises a second connecting portion located at an end of the sleeve (22) remote from the end plate (25).

9. The shock absorbing tie rod (1) according to claim 8, wherein the second connecting portion comprises a second joint (42), one end of the sleeve (22) far away from the end plate (25) is open, threads are arranged on the inner side of the open end, the second joint (42) is screwed into the opening to be fixedly connected with the sleeve (22), and a second connecting hole (421) is arranged on the second joint (42).

10. A working machine comprising a radiator, characterized in that the working machine further comprises a shock-absorbing tie rod (1) according to any one of claims 1-9, one end of the tie rod (21) of the shock-absorbing tie rod (1) being connected to the radiator, one end of the sleeve (22) of the shock-absorbing tie rod (1) being connected to a revolving platform (3) of the working machine.