CN212359831U - Hydraulic support side pushes away device - Google Patents
Hydraulic support side pushes away device Download PDFInfo
- Publication number
- CN212359831U CN212359831U CN202021341733.9U CN202021341733U CN212359831U CN 212359831 U CN212359831 U CN 212359831U CN 202021341733 U CN202021341733 U CN 202021341733U CN 212359831 U CN212359831 U CN 212359831U
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- CN
- China
- Prior art keywords
- spring
- hydraulic support
- guide rod
- pushing cylinder
- pushes away
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000008093 supporting effect Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 3
- 239000003245 coal Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model provides a hydraulic support side pushes away device sets up in hydraulic support's back timber spring sleeve, pushes away the jack with hydraulic support's side and sets up side by side, and with the side pushes away the jack cooperation and uses. The side pushing device comprises a spring pushing cylinder, a guide rod and a telescopic mechanism arranged between the spring pushing cylinder and the guide rod, wherein one end of the spring pushing cylinder is fixedly connected with a side guard plate of the hydraulic support, the other end of the spring pushing cylinder is arranged in a top beam spring sleeve and is connected with the guide rod through the telescopic mechanism, the spring pushing cylinder can move inside and outside the guide rod in the top beam spring sleeve under the action of the telescopic mechanism, and the other end of the guide rod is connected with a top beam of the hydraulic support. The utility model provides a pair of hydraulic support side pushes away device, the side pushes away stability good, long service life.
Description
Technical Field
The utility model relates to a heading equipment technical field, in particular to hydraulic support side pushes away device.
Background
Referring to fig. 1, the existing side-pushing device of the hydraulic bracket with the single-side movable side guard plate adopts a simple mode that a spring is contacted with a guide rod. When in use, the spring 5 is inserted into the top beam spring sleeve 9, one end of the spring 5 is connected with the top beam 10, the other end is directly connected with the spring push rod 17, and the spring push rod 17 is connected with the side guard plate 12 through the pin shaft 18. The structure mode is that the spring 5 is easy to be stressed and deformed irregularly when the side guard plate 12 is recovered, and the spring 5 is deformed at the same position every time, so that the service life of the spring 5 is seriously influenced in the long term, the use stability of the hydraulic support side pushing device is finally influenced, the coal mining progress of a working face is further influenced, and the tunneling working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a hydraulic support side-push device that side-push stability is good, long service life is provided.
In order to solve the technical problem, the utility model provides a hydraulic support side pushes away device sets up in hydraulic support's back timber spring sleeve, sets up side by side with hydraulic support's side pushes away the jack, and with the side pushes away the jack cooperation and uses. The side pushing device comprises a spring pushing cylinder, a guide rod and a telescopic mechanism arranged between the spring pushing cylinder and the guide rod, wherein one end of the spring pushing cylinder is fixedly connected with a side guard plate of the hydraulic support, the other end of the spring pushing cylinder is arranged in a top beam spring sleeve and is connected with the guide rod through the telescopic mechanism, the spring pushing cylinder can move inside and outside the guide rod in the top beam spring sleeve under the action of the telescopic mechanism, and the other end of the guide rod is connected with a top beam of the hydraulic support.
Furthermore, the telescopic mechanism comprises a spring sleeved on the guide rod, a check ring is arranged at the connecting end of the guide rod and the spring pushing cylinder, the check ring can move on the guide rod along with the extension of the spring, a blocking part capable of resisting the check ring is arranged on the inner wall of the middle part of the spring pushing cylinder, and the spring pushing cylinder moves inside and outside on the guide rod along with the extension of the spring by taking the check ring resisting the blocking part as a supporting point.
Further, the stopping component is a spigot formed at the junction of two sections of holes with different diameters in the spring push cylinder.
Furthermore, the blocking component is a baffle ring which is fixedly arranged on the inner wall of the middle part of the spring push cylinder and the inner diameter of which is matched with the outer diameter of the guide rod.
Further, the guide arm sets up the round pin axle that the retaining ring drops that sets up the one end tip of retaining ring, round pin axle both ends set up the split pin that prevents the round pin axle roll-off.
Furthermore, a gasket is arranged at the end part of one end, connected with the top beam, of the guide rod, a pin shaft for preventing the gasket from falling off is arranged at the end part of the guide rod outside the gasket, and split pins for preventing the pin shaft from sliding off are arranged at the two ends of the pin shaft.
Furthermore, a gangue prevention plate for preventing gangue from entering the spring pushing cylinder is arranged inside the connecting end of the spring pushing cylinder and the side protection plate.
The utility model provides a pair of hydraulic support side pushes away device through at the inside guide bar that sets up of telescopic machanism, can make the even rule of telescopic machanism atress to reduce telescopic machanism's irregular big deformation, not only can improve telescopic machanism's life, thereby improve the life that pushes away the device. Meanwhile, the stability of side pushing of the side pushing device can be improved, the coal mining progress of a working face can be further improved, and therefore the working efficiency of tunneling is improved.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic support side pushing device in the prior art provided by the present invention;
fig. 2 is a schematic structural view of a hydraulic support lateral pushing device according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a partial structure of a hydraulic support side-pushing device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the working principle of a hydraulic support lateral pushing device provided by the embodiment of the present invention.
Detailed Description
Referring to fig. 1, the embodiment of the utility model provides a hydraulic support side pushes away device sets up in hydraulic support's back timber spring sleeve 9, and the side that pushes away jack 13 with hydraulic support sets up side by side to use with the cooperation of side push jack 13, realize the side push effect to hydraulic support side guard plate 12. The hydraulic support side pushing device comprises a spring pushing cylinder 1, a guide rod 6 and a telescopic mechanism arranged between the spring pushing cylinder 1 and the guide rod 6, one end of the spring pushing cylinder 1 is fixedly connected with a side protection plate 12 of the hydraulic support through a pin shaft 11, the other end of the spring pushing cylinder is arranged in a top beam spring sleeve 9 and is connected with the guide rod 6 through the telescopic mechanism, the spring pushing cylinder 1 can move inside and outside along the guide rod 6 in the top beam spring sleeve 9 under the action of the telescopic mechanism, and the other end of the guide rod 6 is connected with a rib plate of a top beam 10 of the hydraulic support.
Referring to fig. 2, as a specific embodiment of the present invention, the telescopic mechanism includes a spring 5 sleeved on a guide rod 6, the guide rod 6 and the connecting end of the spring pushing cylinder 1 are provided with a retaining ring 4, the retaining ring 4 can move on the guide rod 6 along with the extension of the spring 5, the inner wall of the middle part of the spring pushing cylinder 1 is provided with a blocking component capable of abutting against the retaining ring 4, and the spring pushing cylinder 1 uses the retaining ring 4 abutting against the blocking component as a supporting point to move on the guide rod 6 along with the extension of the spring 5. Of course, as another embodiment of the present invention, the telescopic mechanism may be a telescopic member having a telescopic function, such as a hydraulic cylinder or an air cylinder, provided between the spring pusher 1 and the guide bar 6.
As a specific implementation manner of the utility model, the inside hole that is two sections internal diameters difference of spring pushing cylinder 1, the internal diameter of that section of spring pushing cylinder 1 that links to each other with side guard plate 12 is less, the internal diameter of 1 other section of spring pushing cylinder is great, form the tang by the department of meeting in the hole of two sections different internal diameters at 1 inside formation of spring pushing cylinder like this, and, the internal diameter of that section of spring pushing cylinder 1 that the internal diameter is less and the external diameter phase-match of guide arm 6, can guarantee that guide arm 6 removes in it, the 1 internal diameter of that section of spring pushing cylinder that the internal diameter is great and the external diameter phase-match of spring 5, spring 5 that the cover is on guide arm 6 like this stretches into that section of spring pushing cylinder 1 that the internal diameter is great inside, retaining ring 4 of 6 tip of guide arm supports and keeps off on 1 inside tang of spring pushing cylinder, when spring 5 on guide arm 6 is flexible, guide arm 6. When the spring 5 is stretched, the spring 5 pushes the spring push cylinder 1 through the retainer ring 4 under the action of elastic force to eject the side guard plate 12.
Of course, as another embodiment of the present invention, the blocking component may also be a stop ring fixed on the inner wall of the middle portion of the spring pushing cylinder 1. The inner diameter of the baffle ring is matched with the outer diameter of the guide rod 6, but the inner diameter of the baffle ring is smaller than the outer diameter of the baffle ring 4, so that the spring 5 sleeved on the guide rod 6 extends into the spring push cylinder 1, the baffle ring 4 at the end part of the guide rod 6 abuts against the baffle ring in the spring push cylinder 1, and when the spring 5 on the guide rod 6 stretches out and draws back, the guide rod 6 can move in the spring push cylinder 1. When the spring 5 is stretched, the spring 5 pushes the spring push cylinder 1 through the retainer ring 4 under the action of elastic force to eject the side guard plate 12.
As a specific embodiment of the present invention, the end portion of the guide rod 6, which is provided with the retainer ring 4, is provided with the pin shaft 3, so as to prevent the retainer ring 4 from falling off from the end portion of the guide rod 6. In order to prevent the pin 3 from slipping out of the end of the guide bar 6, cotter pins 2 are provided at both ends of the pin 3.
As a specific embodiment of the present invention, a washer 7 for blocking the spring 5 is disposed at an end of the guide rod 6 connected to the top beam 10, and a pin 3 is also disposed at an end of the guide rod 6 outside the washer 7 for preventing the washer 7 from falling off from the end of the guide rod 6. And, the pin shaft 3 is also provided with split pins 2 at both ends thereof for preventing the pin shaft 3 from slipping out of the ends of the guide bar 6.
As a specific implementation mode of the utility model, the gangue prevention plate 8 is welded in the inner part of the connecting end of the spring push cylinder 1 and the side guard plate 12, and the gangue can be prevented from entering the spring push cylinder 1.
The embodiment of the utility model provides a pair of hydraulic support side pushes away device and 13 cooperation uses of side push jack. Referring to fig. 3, one end of the cylinder bottom of the side pushing jack 13 is hinged to a rib plate of the top beam 10, a piston rod of the side pushing jack 13 is connected with a jack push rod 15 through a pin 14, and the jack push rod 15 is connected with the side guard plate 12 through a pin 16.
When the side pushes away jack 13 and is in the contraction state, the embodiment of the utility model provides a hydraulic support side pushes away device's spring 5 is in compression state. When the side-pushing jack 15 releases the pressure, the spring 5 of the hydraulic support side-pushing device pushes the spring pushing cylinder 1 through the retainer ring 4 to make the side guard plate 12 connected with the spring pushing cylinder 1 pop out, so that the side guard plate 12 is tightly attached to the adjacent support, the roof gangue is prevented from falling down, and the supporting effect is achieved.
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, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a hydraulic support side pushes away device, sets up in hydraulic support's back timber spring sleeve (9), with hydraulic support's side pushes away jack (13) and sets up side by side, and with side pushes away jack (13) cooperation and uses its characterized in that: the spring pushing device comprises a spring pushing cylinder (1), a guide rod (6) and a telescopic mechanism arranged between the spring pushing cylinder (1) and the guide rod (6), wherein one end of the spring pushing cylinder (1) is fixedly connected with a side protection plate (12) of the hydraulic support, the other end of the spring pushing cylinder is arranged in a top beam spring sleeve (9) and passes through the telescopic mechanism and the guide rod (6), the spring pushing cylinder (1) can move inside and outside the top beam spring sleeve (9) along the guide rod (6) under the action of the telescopic mechanism, and the other end of the guide rod (6) is connected with a top beam (10) of the hydraulic support.
2. The hydraulic support lateral thrust device of claim 1, wherein: the telescopic mechanism comprises a spring (5) sleeved on a guide rod (6), a check ring (4) is arranged at the connecting end of the guide rod (6) and a spring push cylinder (1), the check ring (4) can stretch out and draw back along with the spring (5) to move on the guide rod (6), a blocking part capable of being blocked by the check ring (4) is arranged on the inner wall of the middle part of the spring push cylinder (1), and the spring push cylinder (1) is used for being blocked and moves inside and outside on the guide rod (6) along with the stretching of the spring (5) as a supporting point by the check ring (4) on the blocking part.
3. The hydraulic support lateral thrust device of claim 2, wherein: the blocking component is a spigot formed at the joint of two sections of holes with different diameters in the spring push cylinder (1).
4. The hydraulic support lateral thrust device of claim 2, wherein: the blocking component is a baffle ring which is fixedly arranged on the inner wall of the middle part of the spring push cylinder (1) and the inner diameter of which is matched with the outer diameter of the guide rod (6).
5. The hydraulic support lateral thrust device of claim 2, wherein: the guide arm (6) sets up round pin axle (3) that one end tip of retaining ring (4) set up and prevent that retaining ring (4) from droing, round pin axle (3) both ends set up split pin (2) that prevent round pin axle (3) roll-off.
6. The hydraulic support lateral thrust device of claim 1, wherein: the guide arm (6) with the one end tip that back timber (10) are connected sets up packing ring (7), guide arm (6) tip in packing ring (7) outside sets up round pin axle (3) that prevents packing ring (7) and drop, round pin axle (3) both ends set up split pin (2) that prevent round pin axle (3) roll-off.
7. The hydraulic support lateral thrust device of claim 1, wherein: and a gangue prevention plate (8) for preventing gangue from entering the spring push cylinder (1) is arranged in the connecting end of the spring push cylinder (1) and the side protection plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021341733.9U CN212359831U (en) | 2020-07-09 | 2020-07-09 | Hydraulic support side pushes away device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021341733.9U CN212359831U (en) | 2020-07-09 | 2020-07-09 | Hydraulic support side pushes away device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212359831U true CN212359831U (en) | 2021-01-15 |
Family
ID=74130568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021341733.9U Expired - Fee Related CN212359831U (en) | 2020-07-09 | 2020-07-09 | Hydraulic support side pushes away device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212359831U (en) |
-
2020
- 2020-07-09 CN CN202021341733.9U patent/CN212359831U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 |