CN209908545U - Hydraulic support side pushes away device - Google Patents
Hydraulic support side pushes away device Download PDFInfo
- Publication number
- CN209908545U CN209908545U CN201920489689.7U CN201920489689U CN209908545U CN 209908545 U CN209908545 U CN 209908545U CN 201920489689 U CN201920489689 U CN 201920489689U CN 209908545 U CN209908545 U CN 209908545U
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- Prior art keywords
- spring
- screw rod
- pushing device
- hole
- hydraulic
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- Expired - Fee Related
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- 230000000670 limiting effect Effects 0.000 claims abstract description 15
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model relates to a hydraulic support side-pushing device, which comprises a side guard plate, a spring sleeve, a side-pushing jack and a spring guide rod; the side guard plates are movably arranged at two sides of the top beam box body, and spring sleeves are arranged between the two side guard plates and inside the top beam box body; a screw rod is arranged in the spring sleeve, one end of the screw rod is connected with the spring guide rod, and the other end of the screw rod is connected with the side-push jack; a spring is wound outside the screw rod, and a gasket is arranged on one side of the spring; the spring sleeve is formed by connecting two cylinders, and a limiting block is fixedly arranged between the two cylinders; and grooves are respectively arranged at one ends of the two cylinders far away from the limiting block. The utility model discloses set up side push jack and spring guide pole simultaneously in the spring sleeve, unite two into one design, not only reduce sleeve quantity, can also conveniently maintain the debugging, simple structure, economical and durable, application prospect is wider.
Description
Technical Field
The utility model belongs to the technical field of hydraulic support, specifically speaking relates to a hydraulic support side pushes away device.
Background
The hydraulic support side pushing device is an important component of a hydraulic support and has the functions of waste rock blocking, sealing and supporting. When the support rises, falls and moves the frame, the side thrust unit plays the guide effect to have the effect of preventing falling, accent frame, its working property to the support influences greatly. In practical application, the side pushing device has a plurality of forms according to requirements, and different design forms influence the manufacturing difficulty and the service performance of the side pushing device. Particularly, a large-dip-angle support is needed on a working surface of a thin coal seam to solve the supporting problem, the support space is limited, the box structure at the front end of the top beam of the common side pushing device is thinner, and particularly, when the top plate is softer, due to the existence of horizontal tension, a roof fall often occurs in a non-supporting area between the front end of the top beam and a coal wall.
SUMMERY OF THE UTILITY MODEL
Aiming at various defects in the prior art, the inventor researches and designs a hydraulic support side pushing device in long-term practice, designs a jack and a spring guide rod into a structure integrating two into one, reduces the number of sleeves, and has the advantages of simple structure, simple and convenient operation, economy and durability.
In order to achieve the above object, the utility model provides a following technical scheme:
a hydraulic support side pushing device comprises a side protection plate, a spring sleeve, a side pushing jack and a spring guide rod. The side guard plates are movably arranged on two sides of the top beam box body, the spring sleeve is arranged in the top beam box body and between the two side guard plates, a screw rod is arranged in the spring sleeve, one end of the screw rod is connected with a spring guide rod, the other end of the screw rod is connected with a side pushing jack, a spring is wound outside the screw rod, and a gasket is arranged on one side of the spring; a boss is arranged at one end of the screw rod, and a hole II is formed in the boss;
the spring sleeve is formed by connecting two barrels, a limiting block is fixedly arranged between the two barrels, and grooves are respectively formed in the ends, far away from the limiting block, of the two barrels.
Furthermore, a seat is also arranged on the side guard plate.
Further, the end part of the screw rod, which is opposite to the lug boss, is provided with threads.
Further, two barrels of the spring sleeve are equal in length and are internally provided with cavities.
Furthermore, the grooves of the spring sleeve are symmetrically arranged by taking the limiting block as a center.
Furthermore, a stop block is arranged outside the cylinder body of the side-push jack, one end of the side-push jack is also provided with a hole I, and the hole I is movably connected with the hole II.
Further, the spring guide rod is cylindrical and is internally provided with a cavity.
Furthermore, a thread is arranged inside one end of the spring guide rod
Further, one end of the spring guide rod opposite to the thread is provided with a hole III.
The utility model has the advantages that:
the side-push jack and the spring guide rod are arranged in the spring sleeve at the same time, and the design of combining two into one is adopted, so that the number of the sleeves is reduced, and the maintenance and debugging can be conveniently carried out; by adopting the right-angle side guard plate, the adjusting force is large, the guide is good, the righting capacity of the support is enhanced, the support is more easily prevented from toppling over, a good sealing effect is achieved, falling coal blocks and gangue are effectively blocked, the structure is simple, the economy and the durability are realized, and the application prospect is wider.
Drawings
FIG. 1 is a front view of a cross section of a side thrust unit of the present invention;
FIG. 2 is a schematic view of the connection between the screw and the spring guide of the present invention;
FIG. 3 is a front view of the spring sleeve of the present invention;
FIG. 4 is a cross-sectional schematic view of the spring sleeve of the present invention;
fig. 5 is a schematic structural view of the side pushing jack of the present invention.
In the drawings: 10-side guard plate, 20-spring sleeve, 30-side pushing jack, 40-screw, 50-spring guide rod, 11-seat, 21-limiting block, 22-groove, 23-cylinder, 31-stop block, 32-piston rod, 33-hole I, 41-spring, 42-washer, 43-boss, 431-hole II and 51-hole III.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is given with reference to the accompanying drawings of the present invention for clear and complete description of the technical solution of the present invention. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for the purpose of illustrating the present invention and not for the purpose of limiting the same.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, the hydraulic support side-pushing device of the present invention includes a side guard plate 10, a spring sleeve 20, a side-pushing jack 30, a screw 40 and a spring guide rod 50. The side guard plates 10 are movably arranged on two sides of the top beam box body and are right-angled, and spring sleeves 20 are arranged between the two side guard plates 10 and inside the top beam box body. In this embodiment the spring sleeve 20 is welded in a corresponding hole in the header box. The screw 40 is arranged in the spring sleeve 10, and the left side of the screw 40 is connected with the spring guide rod 50, and the right side of the screw 40 is connected with the side pushing jack 30.
Referring to fig. 3 and 4, the spring sleeve 20 is formed by connecting two cylinders 23 with equal length, and the two cylinders 23 are cylindrical and have a cavity inside. A limiting block 21 is welded between the two cylinders 23, and the limiting block 21 is circular and is internally provided with a cavity. One end of each of the two cylinders 23, which is far away from the limiting block 21, is provided with a groove 22, and the grooves 22 are symmetrically arranged by taking the limiting block 21 as a center.
Referring to fig. 5, the side pushing jack 30 adopts an internal liquid feeding mode, a stop block 31 is welded on one side outside the cylinder body, and the stop block 31 is square. When the side pushing jack is put into the spring sleeve 20, the stop 31 is simultaneously inserted into the groove 22 on the cylinder 23, so that a guiding function is provided for the side pushing jack 30, and the side pushing jack 30 can be prevented from rotating in the spring sleeve 20 to cause faults. The end of the piston rod 32 at the right end of the side pushing jack 30 is provided with a plurality of holes, which can be movably connected with the holes on the seat 11 of the side guard plate 10, in this embodiment, the holes are connected by pin shafts.
Referring to fig. 1 and 2, the screw 40 is disposed in the inner cavity of the spring sleeve 20 and is cylindrical. The screw 40 is wound with a spring 41, a ring of washer 42 is arranged at the right side of the spring 41 and at the outer side of the screw 40, and the washer 42 provides a limiting effect for the spring 41. The right end of the screw 40 is provided with a boss 43, a hole II431 is drilled on the boss 43 in the radial direction, and the diameter of the hole II431 is consistent with that of a hole I33 at the left end of the side pushing jack 30 and is movably connected with the hole II 431.
The left end of the screw 40 is threaded for connection with the spring guide 50. The spring guide 50 is cylindrical and has a cavity therein. The spring guide 50 has threads on its right end, and when the screw 40 is inserted into the spring guide 50, the two threads are tightened to secure the spring guide. The left end of the spring guide rod 50 is provided with a hole III51 which can be movably connected with a hole on the seat 11 of the side guard plate 10, and the hole III is connected with a pin shaft in the embodiment.
When the device is installed, the screw rod 40 is hinged with the side-push jack 30 through a pin shaft, and then extends into the spring sleeve 20 from one side; on the other side, the spring 41 is put into the spring sleeve 20 from the other side and wound on the screw 40; finally, the screw 40 is connected with the spring guide 50 through threads. When the hydraulic cylinder is used, the operating valve is operated, the lower cavity of the jack is pushed laterally to enter hydraulic oil, the cylinder body extends outwards to drive the screw rod and the spring guide rod to extend outwards, and the side guard plate is opened; when the upper cavity of the jack supplies liquid, the cylinder body is retracted, and the side guard plate is retracted.
The utility model arranges the side-push jack and the spring guide rod in the spring sleeve, which combines two-in-one design, not only reduces the sleeve quantity, but also can be conveniently maintained and debugged; by adopting the right-angle side guard plate, the adjusting force is large, the guide is good, the righting capacity of the support is enhanced, the support is more easily prevented from toppling over, a good sealing effect is achieved, falling coal blocks and gangue are effectively blocked, the structure is simple, the economy and the durability are realized, and the application prospect is wider.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (9)
1. The hydraulic support side-pushing device comprises side protection plates (10), spring sleeves (20), side-pushing jacks (30) and spring guide rods (50), and is characterized in that the side protection plates (10) are movably arranged on two sides of a top beam box body, and the spring sleeves (20) are arranged inside the top beam box body and between the two side protection plates (10);
a screw rod (40) is arranged in the spring sleeve (20), one end of the screw rod (40) is connected with a spring guide rod (50), and the other end of the screw rod (40) is connected with a side-push jack (30);
a spring (41) is wound outside the screw rod (40), a gasket (42) is arranged on one side of the spring (41), a boss (43) is arranged at one end of the screw rod (40), and a hole II (431) is formed in the boss (43);
the spring sleeve (20) is formed by connecting two cylinder bodies (23), a limiting block (21) is fixedly arranged between the two cylinder bodies (23), and grooves (22) are respectively formed in one ends, far away from the limiting block (21), of the two cylinder bodies (23).
2. A hydraulic prop sidetracking apparatus according to claim 1, characterized in that the sideguard (10) is further provided with a seat (11).
3. The hydraulic support lateral pushing device as recited in claim 1, wherein the end of the screw rod (40) opposite to the boss (43) is threaded.
4. A hydraulic prop side-thrust device according to claim 1, characterized in that the two cylinders (23) of the spring sleeve (20) are of equal length and have a cavity inside.
5. The hydraulic support side pushing device according to claim 1, wherein the grooves (22) of the spring sleeve (20) are symmetrically arranged with the limiting block (21) as a center.
6. The hydraulic support side pushing device according to claim 1, wherein a stop block (31) is arranged outside the cylinder body of the side pushing jack (30), one end of the side pushing jack (30) is further provided with a hole I (33), and the hole I (33) is movably connected with the hole II (431).
7. The hydraulic mount side-pushing device as recited in claim 1, wherein the spring guide (50) is cylindrical and has a cavity therein.
8. The hydraulic bracket lateral pushing device as recited in claim 7, characterized in that one end of the spring guide rod (50) is internally provided with a thread.
9. The hydraulic bracket side pushing device according to claim 8, wherein the end of the spring guide rod (50) opposite to the thread is provided with a hole III (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489689.7U CN209908545U (en) | 2019-04-11 | 2019-04-11 | Hydraulic support side pushes away device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489689.7U CN209908545U (en) | 2019-04-11 | 2019-04-11 | Hydraulic support side pushes away device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209908545U true CN209908545U (en) | 2020-01-07 |
Family
ID=69035924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489689.7U Expired - Fee Related CN209908545U (en) | 2019-04-11 | 2019-04-11 | Hydraulic support side pushes away device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209908545U (en) |
-
2019
- 2019-04-11 CN CN201920489689.7U patent/CN209908545U/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 |
Granted publication date: 20200107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |