CN216811749U - Casing for hydraulic rod of coal machine - Google Patents
Casing for hydraulic rod of coal machine Download PDFInfo
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- CN216811749U CN216811749U CN202220651153.2U CN202220651153U CN216811749U CN 216811749 U CN216811749 U CN 216811749U CN 202220651153 U CN202220651153 U CN 202220651153U CN 216811749 U CN216811749 U CN 216811749U
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- rods
- inferior valve
- wall
- spring
- coal machine
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Abstract
The utility model discloses a shell for a hydraulic rod of a coal machine, which belongs to the technical field of hydraulic rods and comprises a lower shell, wherein grooves are formed in the lower shell, two grooves are symmetrically formed in the inner wall of the lower shell, slide rods are fixedly connected in the grooves, sliding sleeves are sleeved on the surfaces of the slide rods, first springs are sleeved on the surfaces of the slide rods, two first springs are symmetrically sleeved on the surfaces of the slide rods, first connecting blocks are fixedly connected on the surfaces of the sliding sleeves, and the shell for the hydraulic rod of the coal machine is characterized in that the slide rods, the first springs, connecting rods, telescopic rods and the second springs are arranged, so that if the device is impacted, the upper shell and the lower shell are driven to move, the telescopic rods, the first springs and the second springs are driven to expand and contract, the connecting rods and the sliding sleeves are driven to operate, impact force is buffered, impact on a hydraulic rod body is reduced, and the sliding rods, the sliding sleeves and the sliding rods are arranged on the sliding rods, Under the effect of first spring, connecting rod, telescopic link and second spring, strengthened the device's protectiveness.
Description
Technical Field
The utility model relates to the technical field of hydraulic rods, in particular to a shell for a hydraulic rod of a coal machine.
Background
Along with the development of modern science and technology, a coal machine hydraulic support is widely applied to a horizontal plane and a slowly inclined thick coal seam with the angle less than or equal to 10 degrees along a bottom plate to realize a longwall fully-mechanized mining face for once caving coal mining and also to a steeply inclined super-thick coal seam horizontal layered caving coal fully-mechanized mining face, the coal machine hydraulic support is a hydraulic power device which utilizes liquid pressure to generate supporting force and realizes automatic movement for roof support and management, the coal machine hydraulic support is indispensable corollary equipment for comprehensive mechanized coal mining, the coal machine hydraulic support is a structure for controlling mine pressure of a coal mining face, mining face mine pressure acts on the hydraulic support in an external load mode, in a mechanical system with interaction between the hydraulic support and mining face surrounding rocks, if the resultant force of all supporting pieces of the hydraulic support and the resultant force of the external load acting on the hydraulic support by a top plate are exactly the same straight line, the hydraulic support adapts to the mining face surrounding rocks, the hydraulic support for the coal machine on the market at present has many defects, such as the traditional hydraulic support for the coal machine does not have a protection function.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
Aiming at the defects in the prior art, the utility model aims to provide a shell for a hydraulic rod of a coal machine, which has the characteristic of a protection function.
(2) Technical scheme
In order to achieve the purpose, the shell for the hydraulic rod of the coal machine comprises a lower shell, wherein two grooves are formed in the lower shell and symmetrically formed in the inner wall of the lower shell, sliding rods are fixedly connected in the grooves, sliding sleeves are sleeved on the surfaces of the sliding rods, first springs are sleeved on the surfaces of the sliding rods, the two first springs are symmetrically sleeved on the surfaces of the sliding rods, first connecting blocks are fixedly connected to the surfaces of the sliding sleeves, connecting rods are movably connected to the surfaces of the first connecting blocks through pin shafts, second connecting blocks are movably connected to the surfaces of the connecting rods through pin shafts, and hydraulic rod bodies are fixedly connected to the surfaces of the second connecting blocks.
When the shell for the coal machine hydraulic rod is used, if the device is impacted to drive the upper shell and the lower shell to move, the telescopic rod, the first spring and the second spring stretch to buffer impact force, so that the impact on the hydraulic rod body is reduced, and the protection performance of the device is improved.
Further, there is the epitheca inferior valve surface through hinge swing joint, movable bin has been seted up to the epitheca inner wall, movable bin is total a plurality ofly, and two bisymmetries set up at the epitheca inner wall, the inside fixedly connected with telescopic link in movable bin, the second spring has been cup jointed on the telescopic link surface.
Further, telescopic link fixed surface is connected with the limiting plate, and the limiting plate joint is at the hydraulic stem body, epitheca fixed surface is connected with first connecting plate, inferior valve fixed surface is connected with the second connecting plate.
Furthermore, the first connecting plate surface is worn to be equipped with the screw, the screw is total three, all wears to establish on first connecting plate surface, the screw is worn to establish in second connecting plate surface.
Further, inferior valve inner wall fixedly connected with sealed the pad, sealed the pad is total four, fixed connection is respectively at inferior valve inner wall and epitheca inner wall.
(3) Advantageous effects
In conclusion, the utility model has the following beneficial effects:
1. according to the shell for the hydraulic rod of the coal machine, through the arrangement of the sliding rod, the first spring, the connecting rod, the telescopic rod and the second spring, if the device is impacted, the upper shell and the lower shell are driven to move, so that the telescopic rod, the first spring and the second spring are driven to stretch, and meanwhile, the connecting rod and the sliding sleeve are driven to operate, so that the impact force is buffered, the impact on a hydraulic rod body is reduced, and the protection performance of the device is enhanced under the action of the sliding rod, the first spring, the connecting rod, the telescopic rod and the second spring;
2. according to the shell for the hydraulic rod of the coal machine, through the arrangement of the first connecting plate, the second connecting plate and the screws, when the shell is disassembled, people unscrew the screws and take out the screws, then people lift the upper shell to overhaul the hydraulic rod body, and under the action of the first connecting plate, the second connecting plate and the screws, people can overhaul the hydraulic rod body more conveniently;
3. this coal machine is casing for hydraulic stem through setting up sealed the pad, when using the device, sealed pad can avoid external dust and rainwater to get into the inside damage that causes the component of casing, under the effect of sealed pad, has strengthened the device's leakproofness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional structural schematic view of the present invention;
the symbols in the drawings are:
1. a lower case; 2. a groove; 3. a slide bar; 4. a sliding sleeve; 5. a first spring; 6. a first connection block; 7. a screw; 8. a connecting rod; 9. a second connecting block; 10. a hydraulic rod body; 11. an upper shell; 12. a movable bin; 13. a telescopic rod; 14. a second spring; 15. a gasket; 16. a first connecting plate; 17. a second connecting plate.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood and obvious, the technical solutions in the embodiments of the present invention are clearly and completely described below to further illustrate the utility model, and obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.
Example (b):
the present invention is described in further detail below with reference to FIGS. 1-2.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a coal machine casing for hydraulic stem, including inferior valve 1, 1 inside recess 2 of seting up of inferior valve, recess 2 is total two, and the symmetry is seted up at 1 inner wall of inferior valve, the inside fixedly connected with slide bar 3 of recess 2, slide bar 3 surface has cup jointed sliding sleeve 4, slide bar 3 surface has cup jointed first spring 5, first spring 5 is total two, and the symmetry cup joints on slide bar 3 surface, sliding sleeve 4 fixed surface is connected with first connecting block 6, 6 surfaces of first connecting block have connecting rod 8 through round pin axle swing joint, 8 surfaces of connecting rod have second connecting block 9 through round pin axle swing joint, 9 fixed surface of second connecting block are connected with hydraulic stem body 10.
Through adopting above-mentioned technical scheme, if the device receives the striking to drive epitheca 11 and inferior valve 1 and removes to it is flexible to drive telescopic link 13, first spring 5 and second spring 14, drives connecting rod 8 and sliding sleeve 4 operation simultaneously, thereby cushions the impulsive force, reduces the impact to hydraulic stem body 10, under the effect of slide bar 3, first spring 5, connecting rod 8, telescopic link 13 and second spring 14, has strengthened the device's protectiveness.
Specifically, there is upper casing 11 on inferior valve 1 surface through hinge swing joint, and movable bin 12 has been seted up to 11 inner walls of upper casing, and movable bin 12 is total a plurality ofly, and two bisymmetry sets up at 11 inner walls of upper casing, and the inside fixedly connected with telescopic link 13 in movable bin 12, and second spring 14 has been cup jointed on telescopic link 13 surface.
Specifically, the fixed surface of telescopic link 13 is connected with the limiting plate, and the limiting plate joint is at hydraulic stem body 10, and 11 fixed surface of epitheca are connected with first connecting plate 16, and 1 fixed surface of inferior valve is connected with second connecting plate 17.
Through adopting above-mentioned technical scheme, when dismantling the device, people unscrew screw 7 and take out, then people lift upper shell 11 and overhaul hydraulic stem body 10, under the effect of first connecting plate 16, second connecting plate 17 and screw 7, the people of being more convenient for overhaul hydraulic stem body 10.
Specifically, the surface of the first connecting plate 16 is provided with three screws 7, the three screws 7 are all arranged on the surface of the first connecting plate 16, and the screws 7 are arranged on the surface of the second connecting plate 17.
Specifically, the inner wall of the lower shell 1 is fixedly connected with four sealing gaskets 15, and the four sealing gaskets 15 are respectively fixedly connected with the inner wall of the lower shell 1 and the inner wall of the upper shell 11.
Through adopting above-mentioned technical scheme, sealed 15 can avoid external dust and rainwater to get into the casing inside and cause the damage to the component, under the effect of sealed 15, has strengthened the device's leakproofness.
The working principle of the utility model is as follows:
when using the device, if the device receives the striking to drive epitheca 11 and inferior valve 1 and removes, make telescopic link 13, first spring 5 and second spring 14 are flexible, cushion impact, reduce the impact to hydraulic stem body 10, the device's protectiveness has been improved, sealed pad 15 can avoid external dust and rainwater to get into the inside damage that causes the component of casing, the device's leakproofness has been strengthened, when overhauing hydraulic stem body 10, people unscrew screw 7 and take out the back and open epitheca 11, so that overhaul hydraulic stem body 10.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a coal machine casing for hydraulic stem, includes inferior valve (1), its characterized in that: inferior valve (1) is inside to be seted up recess (2), recess (2) are total two, and the symmetry is seted up at inferior valve (1) inner wall, the inside fixedly connected with slide bar (3) of recess (2), slide bar (3) surface has cup jointed sliding sleeve (4), slide bar (3) surface has cup jointed first spring (5), total two of first spring (5), and the symmetry cup joints on slide bar (3) surface, sliding sleeve (4) fixed surface is connected with first connecting block (6), first connecting block (6) surface has connecting rod (8) through round pin axle swing joint, connecting rod (8) surface has second connecting block (9) through round pin axle swing joint, second connecting block (9) fixed surface is connected with hydraulic stem body (10).
2. The housing for a coal machine hydraulic rod as defined in claim 1, wherein: inferior valve (1) surface has upper shell (11) through hinge swing joint, activity storehouse (12) have been seted up to upper shell (11) inner wall, activity storehouse (12) are total a plurality ofly, and two bisymmetries set up at upper shell (11) inner wall, the inside fixedly connected with telescopic link (13) in activity storehouse (12), second spring (14) have been cup jointed on telescopic link (13) surface.
3. The housing of claim 2, wherein: telescopic link (13) fixed surface is connected with the limiting plate, and the limiting plate joint is at hydraulic stem body (10), epitheca (11) fixed surface is connected with first connecting plate (16), inferior valve (1) fixed surface is connected with second connecting plate (17).
4. The housing for a coal machine hydraulic rod as defined in claim 3, wherein: the surface of the first connecting plate (16) is provided with three screws (7), the three screws (7) are arranged on the surface of the first connecting plate (16) in a penetrating manner, and the screws (7) are arranged on the surface of the second connecting plate (17) in a penetrating manner.
5. The housing of claim 1, wherein: inferior valve (1) inner wall fixedly connected with sealed pad (15), sealed pad (15) are total four, fixed connection respectively is in inferior valve (1) inner wall and epitheca (11) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651153.2U CN216811749U (en) | 2022-03-23 | 2022-03-23 | Casing for hydraulic rod of coal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651153.2U CN216811749U (en) | 2022-03-23 | 2022-03-23 | Casing for hydraulic rod of coal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216811749U true CN216811749U (en) | 2022-06-24 |
Family
ID=82046447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220651153.2U Active CN216811749U (en) | 2022-03-23 | 2022-03-23 | Casing for hydraulic rod of coal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216811749U (en) |
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2022
- 2022-03-23 CN CN202220651153.2U patent/CN216811749U/en active Active
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