CN218509845U - Swing hydraulic cylinder for coal mine drilling machine - Google Patents
Swing hydraulic cylinder for coal mine drilling machine Download PDFInfo
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- CN218509845U CN218509845U CN202223105466.7U CN202223105466U CN218509845U CN 218509845 U CN218509845 U CN 218509845U CN 202223105466 U CN202223105466 U CN 202223105466U CN 218509845 U CN218509845 U CN 218509845U
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Abstract
The utility model provides a colliery is swing hydraulic cylinder for rig, including the hydro-cylinder barrel, rotatory interior axle, slip cap, end cover and mounting flange, the upper end fixed mounting of hydro-cylinder barrel has the balanced valve, and the balanced valve communicates with the hydro-cylinder barrel mutually through left oilhole and right oilhole respectively, and mounting flange installs in the right side of balanced valve, and mounting flange and hydro-cylinder barrel fixed connection are equipped with installation fixed orifices and oil pipe perforation on the mounting flange. The oil cylinder is compact in overall structure, a mounting flange is designed at a position close to the front end output of the swing hydraulic cylinder, namely the right side of the balance valve, and the mounting flange is mounted and fixed through the structure, so that the mounting space is saved.
Description
Technical Field
The utility model relates to a swing hydraulic cylinder technical field especially relates to a coal mine is swing hydraulic cylinder for rig.
Background
After the development of comprehensive mechanized coal mining as an important technical policy of coal work in China, the coal mine tunnel drilling technology is developed at an unprecedented speed. Need install swing hydraulic cylinder on the colliery rig, traditional swing hydraulic cylinder is fixed with the mounting means of colliery rig through the both ends of hydro-cylinder installation, needs great installation space, saves hydro-cylinder installation space's new application demand for dealing with the colliery rig, the utility model provides a colliery is swing hydraulic cylinder for rig.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the mounting means to traditional swing hydraulic cylinder and colliery rig is installed fixedly through the both ends of hydro-cylinder, and the great technical problem of installation space that the hydro-cylinder needs provides a colliery is swing pneumatic cylinder for rig, and the overall structure of this hydro-cylinder is compact, and near position is the right side of balanced valve in swing pneumatic cylinder's front end output, designs a mounting flange and installs fixedly through this structure, has saved installation space.
Therefore, the technical scheme of the utility model is that, a swing hydraulic cylinder for coal mine drilling machine, including the hydro-cylinder barrel, rotatory interior axle, slip cap, end cover and mounting flange, the upper end fixed mounting of hydro-cylinder barrel has the balanced valve, the balanced valve communicates with the hydro-cylinder barrel through left oilhole and right oilhole respectively, mounting flange installs in the right side of balanced valve, mounting flange and hydro-cylinder barrel fixed connection are equipped with the installation fixed orifices and perforates of oil pipe on the mounting flange;
the rotating inner shaft is arranged inside the cylinder body and comprises a first shaft section, a second shaft section, a third shaft section and a fourth shaft section, the first shaft section and the second shaft section of the rotating inner shaft are rotatably connected with the left end of the cylinder body, an inner shaft outer dust ring is arranged between the first shaft section and the cylinder body, an inner shaft outer seal and a left guide ring are arranged between the second shaft section and the cylinder body, the inner shaft outer seal is positioned on the left side of the left guide ring, an inner shaft helical tooth is arranged on the left side of the third shaft section, a sliding sleeve is arranged between the third shaft section and the cylinder body, barrel helical teeth are arranged on the surface of the inner ring of the cylinder body, inner helical teeth are arranged on the surface of the inner ring at the left end of the sliding sleeve, and are meshed with the inner shaft helical teeth, the outer ring surface of the left end of the sliding sleeve is connected with the oil cylinder barrel in a sliding mode, the outer ring surface of the left end of the sliding sleeve is sealed with the oil cylinder barrel in an outer sealing mode, the outer ring surface of the right end of the sliding sleeve is provided with outer helical teeth of the sliding sleeve, the outer helical teeth of the sliding sleeve are meshed with the helical teeth of the cylinder barrel, the inner ring surface of the right end of the sliding sleeve is connected with the third shaft section in a sliding mode, a sliding sleeve inner seal is arranged between the inner ring surface of the right end of the sliding sleeve and the third shaft section, the fourth shaft section is fixedly connected with the end cover, an end cover inner seal is arranged between the fourth shaft section and the end cover, the end cover is connected with the right end of the oil cylinder barrel in a rotating mode, an end cover outer dust ring, an end cover outer seal and a right guide ring are arranged between the end cover and the oil cylinder barrel, and the end cover outer dust ring is located on the right side of the end cover outer seal.
Preferably, the first shaft section, the second shaft section, the third shaft section and the fourth shaft section are of an integrally formed structure.
Preferably, a left thrust washer is arranged between the right end face of the first shaft section and the oil cylinder barrel.
Preferably, a right thrust washer is arranged between the left end face of the end cover and the oil cylinder barrel.
Preferably, the cylinder body is further provided with a left test oil hole and a right test oil hole.
Preferably, the left test oilhole is located under the left oilhole, and the right test oilhole is located under the right oilhole.
Preferably, the right side of the mounting flange is provided with an annular damping groove, and a damping gasket is arranged in the annular damping groove.
The beneficial effects of the utility model are that, this swing hydraulic cylinder's overall structure is compact, can satisfy the demand of little space installation. A mounting flange is designed at a position near the front end output of the swing hydraulic cylinder, namely the right side of the balance valve, and is mounted and fixed through the structure, and compared with the traditional mode of mounting and fixing through two ends of an oil cylinder, the mounting space is saved. Meanwhile, the installation and the later maintenance are convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;
fig. 4 is a structural view of the rotating inner shaft.
The symbols in the figures illustrate:
1. a cylinder barrel; 101. a left oil hole; 102. a right oil hole; 103. a left test oil hole; 104. a right test oil hole; 2. rotating the inner shaft; 21. a first shaft section; 22. a second shaft section; 23. a third shaft section; 24. a fourth shaft section; 201. an inner shaft outer dustproof ring; 202. the inner shaft is sealed externally; 203. a left guide ring; 204. a left thrust washer; 3. a sliding sleeve; 301. the sliding sleeve is sealed externally; 302. sealing in the sliding sleeve; 4. an end cap; 401. a dustproof ring outside the end cover; 402. sealing the end cover externally; 403. a right guide ring; 404. a right thrust washer; 405. sealing the end cover; 5. a balancing valve; 6. installing a flange; 601. mounting a fixing hole; 602. and (4) perforating the oil pipe.
Detailed Description
The present invention will be further described with reference to the following examples.
Fig. 1-4 are the utility model relates to a coal mine is swing hydraulic cylinder's for rig embodiment, it includes cylinder barrel 1, axle 2 in the rotation, sliding sleeve 3, end cover 4 and mounting flange 6, cylinder barrel 1's upper end fixed mounting has balanced valve 5, balanced valve 5 is linked together with cylinder barrel 1 through left oilhole 101 and right oilhole 102 respectively, mounting flange 6 installs in balanced valve 5's right side, mounting flange 6 and cylinder barrel 1 fixed connection, be equipped with installation fixed orifices 601 and oil pipe perforation 602 on mounting flange 6, installation fixed orifices 601 is used for swing hydraulic cylinder's installation fixed, oil pipe perforation 602 is used for oil pipe to walk the line.
The rotating inner shaft 2 is arranged inside the oil cylinder barrel 1, the rotating inner shaft 2 comprises a first shaft section 21, a second shaft section 22, a third shaft section 23 and a fourth shaft section 24, the first shaft section 21, the second shaft section 22, the third shaft section 23 and the fourth shaft section 24 are of an integrally formed structure, the first shaft section 21 and the second shaft section 22 of the rotating inner shaft 2 are rotatably connected with the left end of the oil cylinder barrel 1, an inner shaft outer dust ring 201 is arranged between the first shaft section 21 and the oil cylinder barrel 1, a left thrust gasket 204 is arranged between the right end surface of the first shaft section 21 and the oil cylinder barrel 1, an inner shaft outer seal 202 and a left guide ring 203 are arranged between the second shaft section 22 and the oil cylinder barrel 1, the inner shaft outer seal 202 is positioned on the left side of the left guide ring 203, inner shaft oblique teeth are arranged on the left side of the second section 23, the sliding sleeve 3 is arranged between the third shaft section 23 and the oil cylinder barrel 1, barrel oblique teeth are arranged on the surface, the inner ring surface of the left end of the sliding sleeve 3 is provided with sliding sleeve inner oblique teeth which are meshed with the inner shaft oblique teeth, the outer ring surface of the left end of the sliding sleeve 3 is connected with the cylinder body 1 in a sliding way, a sliding sleeve outer seal 301 is arranged between the outer ring surface of the left end of the sliding sleeve 3 and the cylinder body 1, a sliding sleeve outer oblique teeth is arranged on the outer ring surface of the right end of the sliding sleeve 3 and is meshed with the cylinder oblique teeth, the inner ring surface of the right end of the sliding sleeve 3 is connected with a third shaft section 23 in a sliding way, a sliding sleeve inner seal 302 is arranged between the inner ring surface of the right end of the sliding sleeve 3 and the third shaft section 23, a fourth shaft section 24 is fixedly connected with an end cover 4, an end cover inner seal 405 is arranged between the fourth shaft section 24 and the end cover 4, the end cover 4 is rotationally connected with the right end of the cylinder body 1, an end cover outer dust ring 401, an end cover outer seal 402 and a right guide ring 403 are arranged between the end cover 4 and the cylinder body 1, the outer dustproof ring 401 of the end cover is positioned on the right side of the outer seal 402 of the end cover, and a right thrust gasket 404 is arranged between the left end face of the end cover 4 and the oil cylinder barrel 1.
In a specific embodiment, the oil cylinder barrel 1 is further provided with a left test oil hole 103 and a right test oil hole 104, the left test oil hole 103 is located right below the left oil hole 101, the right test oil hole 104 is located right below the right oil hole 102, and the left test oil hole 103 and the right test oil hole 104 can be used for testing the swing hydraulic cylinder.
In a specific embodiment, an annular damping groove is formed in the right side of the mounting flange 6, and a damping washer is arranged in the annular damping groove, so that the swing hydraulic cylinder plays a role in damping and buffering after being mounted and fixed through the mounting flange 6.
The utility model discloses a deal with the new application demand that the hydro-cylinder installation space was saved to the colliery rig provides a colliery is swing hydraulic cylinder for rig. The swing hydraulic cylinder is compact in overall structure and can meet the requirement of small-space installation. A mounting flange 6 is designed at a position near the front end output of the swing hydraulic cylinder, namely the right side of the balance valve 5, and is mounted and fixed through the structure, and compared with the traditional mode of mounting and fixing through two ends of an oil cylinder, the mounting space is saved. Meanwhile, the installation and later maintenance are convenient. The left thrust washer and the right thrust washer improve the axial force bearing capacity of the swing hydraulic cylinder and enhance the reliability.
However, the above description is only for the specific embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (7)
1. A swing hydraulic cylinder for a coal mine drilling machine is characterized by comprising a cylinder barrel, a rotating inner shaft, a sliding sleeve, an end cover and a mounting flange, wherein a balance valve is fixedly mounted at the upper end of the cylinder barrel, the balance valve is communicated with the cylinder barrel through a left oil hole and a right oil hole respectively, the mounting flange is mounted on the right side of the balance valve, the mounting flange is fixedly connected with the cylinder barrel, and a mounting fixing hole and an oil pipe through hole are formed in the mounting flange;
the inner rotating shaft is arranged inside the oil cylinder barrel and comprises a first shaft section, a second shaft section, a third shaft section and a fourth shaft section, the first shaft section and the second shaft section of the inner rotating shaft are rotatably connected with the left end of the oil cylinder barrel, an inner shaft outer dust ring is arranged between the first shaft section and the oil cylinder barrel, an inner shaft outer seal and a left guide ring are arranged between the second shaft section and the oil cylinder barrel, the inner shaft outer seal is arranged on the left side of the left guide ring, inner shaft inclined teeth are arranged on the left side of the third shaft section, a sliding sleeve is arranged between the third shaft section and the oil cylinder barrel, barrel inclined teeth are arranged on the surface of the inner ring on the left end of the sliding sleeve, inner inclined teeth are arranged on the surface of the inner ring on the left end of the sliding sleeve and meshed with the inner shaft inclined teeth, the outer ring surface on the left end of the sliding sleeve is slidably connected with the oil cylinder barrel, a sliding sleeve outer seal is arranged between the outer ring surface on the left end of the sliding sleeve and the oil cylinder barrel, an outer inclined teeth are arranged on the surface of the sliding sleeve and meshed with the right end cover, and a sliding sleeve is arranged between the sliding sleeve and the outer inclined teeth, and the sliding sleeve fixed on the right end cover, and the inner end cover, and the oil cylinder barrel, and the inner dust ring of the sliding sleeve are arranged on the right end cover, and the sliding sleeve, and the inner dust ring are arranged on the sliding sleeve, and the inner end cover, and the sliding sleeve, and the oil cylinder barrel.
2. The coal mine drilling machine swing hydraulic cylinder as claimed in claim 1, wherein the first shaft section, the second shaft section, the third shaft section and the fourth shaft section are of an integrally formed structure.
3. The coal mine drilling machine swing hydraulic cylinder according to claim 1, characterized in that a left thrust washer is arranged between the right end face of the first shaft section and the oil cylinder barrel.
4. The swing hydraulic cylinder for the coal mine drilling machine according to claim 1, wherein a right thrust washer is arranged between the left end face of the end cover and the oil cylinder barrel.
5. The coal mine drilling machine swing hydraulic cylinder according to claim 1, characterized in that a left test oil hole and a right test oil hole are further formed in the cylinder body.
6. The swing hydraulic cylinder for the coal mine drilling machine according to claim 5, wherein the left test oil hole is located right below the left oil hole, and the right test oil hole is located right below the right oil hole.
7. The coal mine drilling machine swinging hydraulic cylinder as claimed in any one of claims 1 to 6, wherein an annular shock absorption groove is formed in the right side of the mounting flange, and a shock absorption gasket is arranged in the annular shock absorption groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223105466.7U CN218509845U (en) | 2022-11-22 | 2022-11-22 | Swing hydraulic cylinder for coal mine drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223105466.7U CN218509845U (en) | 2022-11-22 | 2022-11-22 | Swing hydraulic cylinder for coal mine drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218509845U true CN218509845U (en) | 2023-02-21 |
Family
ID=85219553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223105466.7U Active CN218509845U (en) | 2022-11-22 | 2022-11-22 | Swing hydraulic cylinder for coal mine drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218509845U (en) |
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2022
- 2022-11-22 CN CN202223105466.7U patent/CN218509845U/en active Active
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