CN216923186U - Composite seal ring for coal mine hydraulic support - Google Patents
Composite seal ring for coal mine hydraulic support Download PDFInfo
- Publication number
- CN216923186U CN216923186U CN202220321880.2U CN202220321880U CN216923186U CN 216923186 U CN216923186 U CN 216923186U CN 202220321880 U CN202220321880 U CN 202220321880U CN 216923186 U CN216923186 U CN 216923186U
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- China
- Prior art keywords
- sealing ring
- ring
- hydraulic support
- coal mine
- sealing
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- 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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- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 94
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Gasket Seals (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a composite sealing ring for a coal mine hydraulic support, which comprises a first sealing ring and a second sealing ring, wherein a thread groove is formed in the upper surface of the first sealing ring, a reinforcing ring is arranged at the bottom of the thread groove, a thread ring is fixedly connected to the lower surface of the second sealing ring, a hollow groove is formed in the lower surface of the first sealing ring, a spring is fixedly connected to the upper inner wall of the hollow groove, a limiting ring is fixedly connected to the bottom end of the spring, and a sealing ring is fixedly connected to the bottom end of the limiting ring. According to the utility model, the first sealing ring and the second sealing ring are arranged and are matched with each other to be in threaded connection with the thread groove through the thread ring, so that one sealing ring can be conveniently replaced and installed, the sealing ring is convenient and quick, the cost is saved, and the reinforcing ring is arranged, so that the overall tightness and stability of the sealing ring can be improved, the sealing performance is effectively improved, the service performance of a product is enhanced, the overall structure is simple, the stability is good, and the service life is long.
Description
Technical Field
The utility model relates to the technical field of hydraulic supports, in particular to a composite sealing ring for a coal mine hydraulic support.
Background
The hydraulic support is a structure used for controlling the mine pressure of the coal face. The mining face mine pressure acts on the hydraulic support in the form of external load. In the mechanical system of the interaction of the hydraulic support and the mining face surrounding rock, if the resultant force of all the supporting pieces of the hydraulic support and the resultant force of the external load of the top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the mining face surrounding rock. The hydraulic support is characterized in that a sealing ring and a sealing ring are required to be used in the using process of the hydraulic support, and the selection of the material of the sealing ring has important significance on the sealing performance and the service life of the hydraulic support. The performance of the material directly affects the use performance of the sealing ring.
The composite sealing ring for the existing coal mine hydraulic support still has defects in the using process, is poor in firmness and compactness, has the defects of difficulty in installation and disassembly replacement when a plurality of sealing rings are superposed for use, and is poor in practicability, so that the composite sealing ring for the coal mine hydraulic support is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a composite sealing ring for a coal mine hydraulic support.
In order to achieve the purpose, the utility model adopts the following technical scheme: a composite sealing ring for a coal mine hydraulic support comprises a first sealing ring and a second sealing ring, wherein a thread groove is formed in the upper surface of the first sealing ring, a reinforcing ring is arranged at the bottom of the thread groove, and a thread ring is fixedly connected to the lower surface of the second sealing ring;
the lower surface of first sealing washer has seted up the dead slot, the last inner wall fixedly connected with spring of dead slot, the bottom fixedly connected with spacing ring of spring, the bottom fixedly connected with sealing ring of spacing ring.
As a further description of the above technical solution:
the threaded ring is in threaded connection with the threaded groove.
As a further description of the above technical solution:
the material of the reinforcing ring is elastic rubber.
As a further description of the above technical solution:
the inner diameter and the outer diameter of the first sealing ring, the second sealing ring and the sealing ring are the same.
As a further description of the above technical solution:
and the upper surface of the second sealing ring is provided with a positioning groove.
As a further description of the above technical solution:
the limiting ring and the sealing ring are integrally connected.
As a further description of the above technical solution:
the second sealing ring is positioned on the upper surface of the first sealing ring.
As a further description of the above technical solution:
the outer surface of the reinforcing ring is provided with anti-skid grains.
The utility model has the following beneficial effects:
1. compared with the prior art, the composite sealing ring for the coal mine hydraulic support is provided with the first sealing ring and the second sealing ring, is matched with the threaded groove through the threaded ring to be in threaded connection, can be conveniently replaced and installed, is convenient and quick, and saves cost.
2. Compared with the prior art, this composite seal circle for colliery hydraulic support is provided with the beaded finish, can improve the whole compactness and the stability of sealing washer to effectively improve sealing performance, strengthen the performance of product.
3. Compared with the prior art, this colliery is composite seal circle for hydraulic support is provided with spring and spacing ring and sealing ring for when using this composite seal circle, the lower surface of sealing ring can be tightly adsorbed and supported and press on the sealed department of pneumatic cylinder piston rod, has improved the sealed effect of this composite seal circle.
4. Compared with the prior art, this composite seal ring for colliery hydraulic support, overall structure is simple, and stability is good, long service life.
Drawings
Fig. 1 is a cross-sectional view of a composite sealing ring for a coal mine hydraulic support, which is provided by the utility model;
fig. 2 is an enlarged schematic structural view of a composite sealing ring for a coal mine hydraulic support, which is shown in fig. 1 at a position a;
fig. 3 is a schematic structural diagram of a first sealing ring of the composite sealing ring for the coal mine hydraulic support, which is provided by the utility model;
fig. 4 is a schematic structural diagram of a second seal ring of the composite seal ring for the coal mine hydraulic support, which is provided by the utility model;
fig. 5 is a schematic structural diagram of a sealing ring of the composite sealing ring for the coal mine hydraulic support provided by the utility model.
Illustration of the drawings:
1. a first seal ring; 11. a thread groove; 12. an empty groove; 2. a second seal ring; 21. positioning a groove; 22. a threaded ring; 3. a seal ring; 31. a limiting ring; 32. a spring; 4. a reinforcement ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1-5, one embodiment provided by the present invention: the utility model provides a colliery is composite seal circle for hydraulic support, includes first sealing washer 1 and second sealing washer 2, and thread groove 11 has been seted up to the upper surface of first sealing washer 1, and the bottom of thread groove 11 is provided with beaded finish 4, and the material of beaded finish 4 is elastic rubber, and beaded finish 4's surface is provided with anti-skidding line, can improve the whole compactness and the stability of sealing washer to effectively improve sealing performance, the performance of reinforcing product.
The second sealing ring 2 is located on the upper surface of the first sealing ring 1, the positioning groove 21 is formed in the upper surface of the second sealing ring 2, the threaded ring 22 is fixedly connected to the lower surface of the second sealing ring 2, and the threaded ring 22 is in threaded connection with the threaded groove 11, so that one of the first sealing ring and the second sealing ring can be conveniently replaced and installed, convenience and rapidness are achieved, and cost is saved.
The working principle is as follows: this colliery is composite seal circle for hydraulic support, during the use, put into the interior bottom of thread groove 11 with beaded finish 4 earlier, threaded finish is carried out with the thread groove 11 of first sealing washer 1 to the threaded ring 22 of rethread second sealing washer 2 for first sealing washer 1 and second sealing washer 2 are fixed, fixed good back, make the lower surface of sealing ring 3 can tightly adsorb to press on the sealed department of pneumatic cylinder piston rod, improve this composite seal circle's sealed effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a colliery is compound sealing washer for hydraulic support, includes first sealing washer (1) and second sealing washer (2), its characterized in that: a thread groove (11) is formed in the upper surface of the first sealing ring (1), a reinforcing ring (4) is arranged at the bottom of the thread groove (11), and a thread ring (22) is fixedly connected to the lower surface of the second sealing ring (2);
dead slot (12) have been seted up to the lower surface of first sealing washer (1), last inner wall fixedly connected with spring (32) of dead slot (12), the bottom fixedly connected with spacing ring (31) of spring (32), the bottom fixedly connected with sealing ring (3) of spacing ring (31).
2. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: the threaded ring (22) is in threaded connection with the threaded groove (11).
3. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: the reinforcing ring (4) is made of elastic rubber.
4. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: the inner diameter and the outer diameter of the first sealing ring (1), the second sealing ring (2) and the sealing ring (3) are the same.
5. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: and the upper surface of the second sealing ring (2) is provided with a positioning groove (21).
6. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: the limiting ring (31) and the sealing ring (3) are integrally connected.
7. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: and the second sealing ring (2) is positioned on the upper surface of the first sealing ring (1).
8. The composite sealing ring for the coal mine hydraulic support according to claim 1, characterized in that: the outer surface of the reinforcing ring (4) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220321880.2U CN216923186U (en) | 2022-02-17 | 2022-02-17 | Composite seal ring for coal mine hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220321880.2U CN216923186U (en) | 2022-02-17 | 2022-02-17 | Composite seal ring for coal mine hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923186U true CN216923186U (en) | 2022-07-08 |
Family
ID=82267021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220321880.2U Expired - Fee Related CN216923186U (en) | 2022-02-17 | 2022-02-17 | Composite seal ring for coal mine hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923186U (en) |
-
2022
- 2022-02-17 CN CN202220321880.2U patent/CN216923186U/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: 20220708 |