CN217421689U - Mining hydraulic oil cylinder with piston rod protection device - Google Patents
Mining hydraulic oil cylinder with piston rod protection device Download PDFInfo
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- CN217421689U CN217421689U CN202123068260.7U CN202123068260U CN217421689U CN 217421689 U CN217421689 U CN 217421689U CN 202123068260 U CN202123068260 U CN 202123068260U CN 217421689 U CN217421689 U CN 217421689U
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- piston rod
- guide rail
- fixing base
- plate
- cylinder body
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Abstract
The utility model provides a take piston rod protection device's mining hydraulic cylinder, including cylinder body, piston rod, first fixing base, second fixing base, side guide rail board and side safety cover, first fixing base sets up the bottom side of cylinder body, the second fixing base sets up the head side of piston rod, the one end of side guide rail board is installed on the first fixing base, the other end of side guide rail board is on a parallel with the axis orientation of cylinder body the head direction of piston rod extends, the one end of side safety cover is installed on the second fixing base, the other end of side safety cover is on a parallel with the axis orientation of piston rod the bottom direction of cylinder body extends, be provided with on the side safety cover with the guide way that side guide rail board mutually supported. The mining hydraulic oil cylinder with the piston rod protection device has the advantages of scientific design, difficulty in smashing and damage of a plating layer, capability of prolonging the service life and high practicability.
Description
Technical Field
The utility model relates to a hydraulic cylinder, specific theory has related to a mining hydraulic cylinder of taking piston rod protection device.
Background
The hydraulic cylinder for the hydraulic support is mostly in an extending state when in work, and due to the unstable state of the underground environment of the coal mine during coal mining, for example, hard objects (such as gangue, coal briquettes and the like) on the coal wall are easy to fly out due to mine pressure on the coal wall in the coal mining process of a coal mining machine, the hard objects impact the surface of a piston rod of the hydraulic cylinder exposed in the underground environment, and a plating layer on the surface of the piston rod is damaged, so that the service life of the plating layer on the surface of the piston rod is shortened, the underground production stop is caused, the coal mining efficiency is influenced, the service cycle of the support is influenced, a structure for protecting the exposed plating piston rod in real time according to the extending length of the piston rod is not available on the existing hydraulic support, and the service life of the hydraulic cylinder is greatly challenged.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to a mining hydraulic cylinder of taking piston rod protection device that design science, cladding material are difficult for pounding the loss, can increase of service life, practicality are strong is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a take piston rod protection device's mining hydraulic cylinder, includes cylinder body, piston rod, sets up first fixing base, second fixing base, side guide rail board and side safety cover with one side, first fixing base sets up the bottom side of cylinder body, the second fixing base sets up the head side of piston rod, the one end of side guide rail board is installed on the first fixing base, the other end of side guide rail board is on a parallel with the axis orientation of cylinder body the head direction of piston rod extends, the one end of side safety cover is installed on the second fixing base, the other end of side safety cover is on a parallel with the axis orientation of piston rod the bottom direction of cylinder body extends, be provided with on the side safety cover with the guide way that side guide rail board mutually supported.
Based on the above, the side safety cover includes the protection shield in the outside and the fixed apron of inboard, fixed apron is installed on the second fixing base, fixed apron with the space between the protection shield forms the guide way.
Based on the above, the cross section of the protection plate is wing-shaped or arc-shaped and is wrapped towards the piston rod.
Based on the above, the first fixing seat is connected with the side face of the bottom of the cylinder body in a welded mode, the second fixing seat is connected with the side face of the head of the piston rod in a welded mode, and the protection plate is connected with the fixed cover plate in a welded mode.
Based on the above, the side guide rail plate is mounted on the first fixing seat through the first bolt, and the side guide rail plate is provided with the long round hole corresponding to the first bolt; the fixed cover plate is installed on the second fixed seat through a second bolt, and the fixed cover plate is provided with a long round hole corresponding to the second bolt.
Compared with the prior art, the utility model have substantive characteristics and progress, specific theory, the utility model discloses a side guide rail board with mutually supporting of side safety cover can when the piston rod stretches out, the side safety cover is along with the piston rod stretches out together to play the guard action to the piston rod in the side, during the installation, will side guide rail board with one side installation at side safety cover place is in the outside, just can avoid waste rock, coal cinder right the impact of piston rod protects cladding material, increase of service life, and it has design science, cladding material be difficult for pounding the advantage that decreases, can increase of service life, practicality are strong.
Furthermore, the side surface protection cover is formed by welding a protection plate on the outer side and a fixed cover plate on the inner side in a splicing manner, so that the protection plate can be molded according to the cylinder diameter and the rod diameter, the cross section of the protection plate is wing-shaped or arc-shaped and is wrapped towards the piston rod, and the protection angle of the piston rod can be increased; the side guide rail plate and the long round holes formed in the fixed cover plate facilitate adjustment of axial installation positions of the side protective cover and the side guide rail plate, so that the side protective cover and the side guide rail plate are suitable for hydraulic cylinders with different lengths.
Drawings
Fig. 1 is a longitudinal section view of the mining hydraulic oil cylinder with the piston rod protection device of the utility model.
Fig. 2 is a perspective view of the mining hydraulic cylinder with the piston rod protection device of the utility model.
Fig. 3 is an end view of the mining hydraulic cylinder with the piston rod protector of the utility model.
Fig. 4 is a longitudinal sectional view of the piston rod protector according to the present invention.
In the figure: 1. a cylinder body; 2. a piston rod; 3. a first fixed seat; 4. a second fixed seat; 5. a side rail plate; 6. a side protective cover; 7. a guide channel; 8. a first bolt; 9. a second bolt; 10. a long round hole; 61. a protection plate; 62. and fixing the cover plate.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1-4, a mining hydraulic cylinder with a piston rod protection device comprises a cylinder body 1, a piston rod 2, a first fixing seat 3, a second fixing seat 4, a side guide plate 5 and a side protection cover 6 which are arranged on the same side, wherein the first fixing seat 3 is welded on the bottom side of the cylinder body 1, the second fixing seat 4 is welded on the head side of the piston rod 2, one end of the side guide plate 5 is installed on the first fixing seat 3 through a first bolt 8, the other end of the side guide plate 5 extends towards the head direction of the piston rod 2 in parallel with the axis of the cylinder body 1, one end of the side protection cover 6 is installed on the second fixing seat 4 through a second bolt 9, the other end of the side protection cover 6 extends towards the bottom direction of the cylinder body 1 in parallel with the axis of the piston rod 2, the side face protecting cover 6 is provided with a guide channel 7 which is matched with the side face guide rail plate 5.
The side protection cover 6 specifically includes the protection shield 61 in the outside and the fixed apron 62 of inboard, fixed apron 62 is installed on the second fixing base 4, fixed apron 62 with the space between the protection shield 61 forms guide way 7, side guide rail board 5 stretches into in the guide way 7, plays support, guide effect to side protection cover 6.
In order to enlarge the protection angle of the piston rod 2, the cross section of the protection plate 61 is in a wing shape wrapped towards the piston rod in the embodiment; in other embodiments, the cross section of the protective plate 61 may be set to be circular arc.
In order to be suitable for hydraulic oil cylinders with different specifications, the protection plate 61 and the fixed cover plate 62 are connected in a welding mode, so that the protection plate 61 can be conveniently molded according to the cylinder diameter and the rod diameter; the side guide rail plate 5 is provided with an oblong hole 10 corresponding to the first bolt 8, the fixed cover plate 62 is mounted on the second fixed seat 4 through a second bolt 9, and the fixed cover plate 62 is provided with an oblong hole 10 corresponding to the second bolt 9; the arrangement of the long round holes 10 can conveniently adjust the axial installation positions of the side guide rail plate 5 and the side protective cover 6 so as to be suitable for hydraulic oil cylinders with different lengths.
The working principle is as follows:
when the hydraulic oil cylinder is installed, the side guide rail plate 5 and one side where the side protection cover 6 is located are installed on the outer side, and through the mutual matching of the side guide rail plate 5 and the guide channel 7, when the piston rod 2 extends out, the side protection cover 6 extends out along with the piston rod 2, so that the piston rod 2 is protected on the side, the impact of gangue and coal blocks on the piston rod 2 is avoided, the protection coating is not damaged, and the service life is prolonged.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the technical solution of the present invention, the present invention should be covered by the technical solution of the present invention.
Claims (5)
1. The utility model provides a take piston rod protection device's mining hydraulic cylinder, includes cylinder body and piston rod, its characterized in that: it is still including setting up first fixing base, second fixing base, side guide rail board and the side safety cover with one side, first fixing base sets up the bottom side of cylinder body, the second fixing base sets up the head side of piston rod, the one end of side guide rail board is installed on the first fixing base, the other end of side guide rail board is on a parallel with the axis orientation of cylinder body the head direction of piston rod extends, the one end of side safety cover is installed on the second fixing base, the other end of side safety cover is on a parallel with the axis orientation of piston rod the bottom direction of cylinder body extends, be provided with on the side safety cover with the guide channel way of side guide rail board mutually supporting.
2. The mining hydraulic oil cylinder with the piston rod protection device according to claim 1, is characterized in that: the side protection cover comprises a protection plate on the outer side and a fixed cover plate on the inner side, the fixed cover plate is installed on the second fixed seat, and the space between the fixed cover plate and the protection plate forms the guide channel.
3. The mining hydraulic oil cylinder with the piston rod protection device according to claim 2, is characterized in that: the cross section of the protection plate is in a wing shape or an arc shape wrapped towards the piston rod.
4. The mining hydraulic oil cylinder with the piston rod protection device according to claim 3, is characterized in that: the first fixing seat is connected with the side face of the bottom of the cylinder body in a welded mode, the second fixing seat is connected with the side face of the head of the piston rod in a welded mode, and the protection plate is connected with the fixed cover plate in a welded mode.
5. The mining hydraulic oil cylinder with the piston rod protection device according to any one of claims 2 to 4, is characterized in that: the side guide rail plate is mounted on the first fixing seat through a first bolt, and an oblong hole is formed in the side guide rail plate corresponding to the first bolt; the fixed cover plate is installed on the second fixed seat through a second bolt, and the fixed cover plate is provided with a long round hole corresponding to the second bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123068260.7U CN217421689U (en) | 2021-12-08 | 2021-12-08 | Mining hydraulic oil cylinder with piston rod protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123068260.7U CN217421689U (en) | 2021-12-08 | 2021-12-08 | Mining hydraulic oil cylinder with piston rod protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217421689U true CN217421689U (en) | 2022-09-13 |
Family
ID=83170298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123068260.7U Active CN217421689U (en) | 2021-12-08 | 2021-12-08 | Mining hydraulic oil cylinder with piston rod protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217421689U (en) |
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2021
- 2021-12-08 CN CN202123068260.7U patent/CN217421689U/en active Active
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