CN211058838U - Half-unloading walking type hydraulic support - Google Patents
Half-unloading walking type hydraulic support Download PDFInfo
- Publication number
- CN211058838U CN211058838U CN201921568861.4U CN201921568861U CN211058838U CN 211058838 U CN211058838 U CN 211058838U CN 201921568861 U CN201921568861 U CN 201921568861U CN 211058838 U CN211058838 U CN 211058838U
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- Prior art keywords
- plate
- sleeve
- roof
- fastening
- wall
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 239000003245 coal Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model provides a half-unloading walking type hydraulic support, which relates to the technical field of hydraulic supports, wherein fastening plates are welded on both sides of the rear end of the top surface of a backing plate, a clamping groove is arranged on the top end of each fastening plate, the bottom ends of the fastening plates are fixedly provided with curved plates integrated with the fastening plates, the fastening of a rear baffle is enhanced, the condition that the flexible connection between the structures is loosened to cause shaking or even scattering is avoided, the number of sleeves is two, the sleeves are respectively inserted in a movable groove, the left side and the right side of the outer wall bottom end of the movable groove are fixedly connected with rotating shafts, both ends outside the rotating shafts are embedded in the inner wall of the movable groove, the rotating shafts are rotatably connected with the movable groove, the sleeves are hinged with the movable groove through the rotating shafts, the telescopic rods are damped through springs, the roof is indirectly damped, the stability of the roof during movement is improved, the problem, the service life is reduced, and the problem of stability when the movable structure moves is influenced due to the lack of stable supporting parts in the support.
Description
Technical Field
The utility model relates to a half uninstallation formula of taking a step hydraulic support especially relates to the hydraulic support field.
Background
The hydraulic support is a structure for controlling the mine pressure of a coal face, the mine pressure of the coal face acts on the hydraulic support in an external load mode, in a mechanical system of interaction of the hydraulic support and surrounding rocks of the coal face, if the resultant force of all supporting parts of the hydraulic support and the resultant force of the external load of a top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the surrounding rocks of the coal face, the gravity borne by the hydraulic support is large, the connection between the support structures is critical, if the connection is loosened, the support structures are easy to shake or even scatter, the service life is reduced, secondly, when a user uses the hydraulic support, because the movable structure of the support needs to move for multiple times, and the stable supporting part is lacked in the support, so that the stability of the movable structure during movement is influenced, and then the fastening of a rear baffle plate is enhanced, the telescopic rod is prevented from being loosened due to connection between the structures, and even the condition that the rack is scattered is avoided, the telescopic rod is prevented from playing a damping effect through the spring, the roof is indirectly damped, and the stable advantage is achieved when the roof moves.
SUMMERY OF THE UTILITY MODEL
In order to solve the condition that rocks or even looses the frame easily to appear between the supporting structure, reduced life, lack stable support component in the support, influence the problem of the stability when the movable structure moves, the utility model aims at providing a half uninstallation formula of taking a step hydraulic support.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a semi-unloaded step hydraulic support, said semi-unloaded step hydraulic support comprising:
the welding device comprises a base plate, fastening plates are welded on two sides of the rear end of the top surface of the base plate, a clamping groove is formed in the top end of each fastening plate, a curved plate integrated with the fastening plates is fixed at the bottom end of each fastening plate, a welding block is fixedly connected to the front end of each curved plate, the front ends of the welding blocks and the rear surface of the base plate are welded to each other, a rear baffle is clamped at the top end of each clamping groove, rotary cores are fixedly connected to two sides of the top end of the rear baffle, and movable grooves are formed in two sides;
the sleeve, telescopic quantity is two, and the sleeve is pegged graft respectively in the movable groove, sleeve outer wall bottom runs through from a left side to the right side and is provided with the pivot, and pivot outside both ends all imbeds and set up in the movable groove inner wall left and right sides, the pivot rotates with the movable groove to be connected, and the sleeve passes through pivot and movable groove swing joint, the slide has all been opened to the sleeve inner wall left and right sides, and the sleeve top alternates there is the telescopic link, the equal fixedly connected with slider in telescopic link outer wall left and right sides, and fixedly connected with spring between telescopic link bottom and the sleeve inner wall.
Preferably, the bottom surface of the base plate is tightly attached with a rubber pad, the top end of the rear baffle plate is provided with a top plate, the outer side of the rotary core penetrates through the outer wall of the top plate, the top plate is rotatably connected with the rotary core, and the rear baffle plate is hinged with the top plate through the rotary core.
Preferably, the two sides of the top surface of the base plate are embedded with electric hydraulic rods right in front of the movable groove, the electric hydraulic rods are located on the bottom surface of the top plate, and the top ends of the electric hydraulic rods are welded with the bottom surface of the top plate.
Preferably, the slider is arranged in the slide and is in sliding connection with the slide, the top end of the telescopic rod is welded with the bottom surface of the top plate, and the spring stretches through the telescopic rod.
Preferably, the sleeve and the telescopic rod are located at the front end and the rear end of the electric hydraulic rod, and the telescopic rod is connected with the electric hydraulic rod through the top plate.
Preferably, the clamping groove is tightly attached to the outer wall of the rear baffle, and the rear baffle is connected with the fastening plate through a bolt.
Compared with the prior art, the utility model discloses the beneficial effect who realizes:
when the backplate supported the roof, because the backplate passes through the mounting plate and bent shape piece is connected with the roof, blocked the backplate through the draw-in groove, including mounting plate and backing plate weld each other, improve the stability that supports the backplate, and the backing plate outer wall is hugged closely to bent shape inboard, and the welding block welds each other with the backing plate, and the fastening of reinforcing backplate avoids appearing connecting between the structure not hard up and leads to rocking or even the condition of scattering the frame.
Because the telescopic link top welds each other with the roof bottom surface, so when the roof removed, the telescopic link also can reciprocate, and the telescopic link carries out piston motion with the sleeve, and the slider slides in the slide simultaneously, keeps the stability when telescopic link removes through slider and slide, and the telescopic link can push down the spring, plays absorbing effect to the telescopic link through the spring, indirectly carries out the shock attenuation to the roof, stability when improving the roof motion.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the sleeve structure of the present invention;
FIG. 3 is a schematic view of the front end of the sleeve structure of the present invention;
fig. 4 is a schematic structural view of the fastening plate of the present invention.
The structure in the figure is as follows: the hydraulic support comprises a base plate 1, a rubber pad 101, a movable groove 102, an electric hydraulic rod 2, a rear baffle 3, a rotary core 301, a top plate 4, a sleeve 5, a rotary shaft 501, a slide way 502, a spring 503, an expansion rod 6, a sliding block 601, a fastening plate 7, a clamping groove 701, a curved plate 702 and a welding block 703.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Referring to fig. 1 to 4, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so they do not have the essential significance in the technology, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1 and 4, a semi-discharge step-type hydraulic support includes:
the backing plate comprises a backing plate 1, wherein fastening plates 7 are welded on two sides of the rear end of the top surface of the backing plate 1, a clamping groove 701 is formed in the top end of each fastening plate 7, a curved plate 702 integrated with the fastening plate is fixed at the bottom end of each fastening plate 7, a welding block 703 is fixedly connected to the front end of each curved plate 702, the front end of each welding block 703 is welded to the rear surface of the backing plate 1, a rear baffle 3 is clamped at the top end of each clamping groove 701, rotary cores 301 are fixedly connected to two sides of the top end of each rear baffle 3, movable grooves 102 are formed in two sides of the rear side of the top end of the backing plate 1, and;
as shown in fig. 1 and 4, a rubber pad 101 is closely attached to the bottom surface of the backing plate 1, a top plate 4 is disposed at the top end of the rear baffle 3, the outer side of the rotary core 301 penetrates through the outer wall of the top plate 4, the top plate 4 is rotatably connected with the rotary core 301, the rear baffle 3 is hinged with the top plate 4 through the rotary core 301, electric hydraulic rods 2 are embedded into both sides of the top surface of the backing plate 1 and right in front of the movable groove 102, the electric hydraulic rods 2 are disposed at the bottom surface of the top plate 4, the top ends of the electric hydraulic rods 2 are welded with the bottom surface of the top plate 4, the rubber pad 101 contacts the ground, the rubber pad 101 plays a role of skid resistance, when a user needs to start the electric hydraulic rods 2 to work, an external power source can be connected into the electric hydraulic rods 2, the electric hydraulic rods 2 perform a telescopic work, and because the top ends of the electric hydraulic rods 2 are, the top plate 4 can be driven to move, so that the movement work of the top plate 4 is realized, the top plate 4 is hinged with the rear baffle plate 3 when the top plate 4 moves, the top plate 4 is rotatably connected with the rotary core 301, and the rear end of the top plate 4 is supported by the rear baffle plate 3;
as shown in fig. 1 and 4, the clamping groove 701 is tightly attached to the outer wall of the rear baffle 3, the rear baffle 3 is connected with the fastening plate 7 through a bolt, when the rear baffle 3 supports the top plate 4, the rear baffle 3 is clamped through the clamping groove 701, the fastening plate 7 is welded with the backing plate 1, the stability of supporting the rear baffle 3 is improved, the inner side of the curved plate 702 is tightly attached to the outer wall of the backing plate 1, the welding block 703 is welded with the backing plate 1, the fastening of the rear baffle 3 is enhanced, and the situation that the structures are loosened to cause shaking or even scattering of the frame is avoided;
as shown in fig. 1-3, the number of the sleeves 5 is two, the sleeves 5 are respectively inserted into the movable groove 102, the bottom end of the outer wall of the sleeve 5 is provided with a rotating shaft 501 penetrating from left to right, both ends of the outer side of the rotating shaft 501 are embedded in both left and right sides of the inner wall of the movable groove 102, the rotating shaft 501 is rotatably connected with the movable groove 102, the sleeve 5 is movably connected with the movable groove 102 through the rotating shaft 501, both left and right sides of the inner wall of the sleeve 5 are provided with slide ways 502, the top end of the sleeve 5 is inserted with a telescopic rod 6, both left and right sides of the outer wall of the telescopic rod 6 are fixedly connected with a slide block 601, a spring 503 is fixedly connected between the bottom end of the telescopic rod 6 and the inner wall of the sleeve 5, when the electric hydraulic rod 2 drives the top plate 4 to move, the slide block 601 is located in, the spring 503 is stretched and contracted through the telescopic rod 6, because the top end of the telescopic rod 6 is welded with the bottom surface of the top plate 4, when the top plate 4 moves, the telescopic rod 6 can also move up and down, the telescopic rod 6 and the sleeve 5 perform piston motion, meanwhile, the sliding block 601 slides in the slideway 502, the stability of the telescopic rod 6 during movement is kept through the sliding block 601 and the slideway 502, the telescopic rod 6 can be pressed down to the spring 503, the spring 503 has a damping effect on the telescopic rod 6, the top plate 4 is indirectly damped, and the stability of the top plate 4 during movement is improved;
as shown in fig. 1-3, sleeve 5 and telescopic link 6 are located the positive rear end of electro-hydraulic rod 2, and telescopic link 6 is connected with electro-hydraulic rod 2 through roof 4, and telescopic link 6 just lies in electro-hydraulic rod 2 rear end with sleeve 5, supports roof 4 when the flexible work of cooperation electro-hydraulic rod 2, does not influence the work of roof 4.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A semi-unloaded step hydraulic support, comprising:
the backing plate comprises a backing plate (1), fastening plates (7) are welded on two sides of the rear end of the top surface of the backing plate (1), a clamping groove (701) is formed in the top end of each fastening plate (7), a curved plate (702) integrated with the fastening plate is fixed at the bottom end of each fastening plate (7), a welding block (703) is fixedly connected to the front end of each curved plate (702), the front end of each welding block (703) is welded to the rear surface of the backing plate (1), a rear baffle (3) is clamped to the top end of each clamping groove (701), rotary cores (301) are fixedly connected to two sides of the top end of each rear baffle (3), and movable grooves (102) are formed in two sides of the rear side of the;
sleeve (5), the quantity of sleeve (5) is two, and sleeve (5) peg graft respectively in activity groove (102), sleeve (5) outer wall bottom runs through from a left side to the right side and is provided with pivot (501), and pivot (501) outside both ends all imbeds and set up in activity groove (102) inner wall left and right sides, pivot (501) rotate with activity groove (102) and be connected, and sleeve (5) are through pivot (501) and activity groove (102) swing joint, slide (502) have all been opened to sleeve (5) inner wall left and right sides, and sleeve (5) top interlude has telescopic link (6), the equal fixedly connected with slider (601) in telescopic link (6) outer wall left and right sides, and fixedly connected with spring (503) between telescopic link (6) bottom and sleeve (5) inner wall.
2. A semi-relieved advancing hydraulic support as set forth in claim 1 wherein: backing plate (1) bottom surface is closely laminated with rubber pad (101), and backplate (3) top is provided with roof (4), it all runs through roof (4) outer wall to change core (301) outside, and roof (4) with change core (301) and rotate and be connected, backplate (3) are articulated with roof (4) through changeing core (301).
3. A semi-relieved advancing hydraulic support as set forth in claim 1 wherein: backing plate (1) top surface both sides just are located activity groove (102) dead ahead and all imbed and are provided with electronic hydraulic stem (2), and electronic hydraulic stem (2) are located roof (4) bottom surface, electronic hydraulic stem (2) top and roof (4) bottom surface are welded each other.
4. A semi-relieved advancing hydraulic support as set forth in claim 1 wherein: the sliding block (601) is located in the slide way (502) and is in sliding connection with the slide way (502), the top end of the telescopic rod (6) is welded with the bottom surface of the top plate (4), and the spring (503) stretches through the telescopic rod (6).
5. A semi-relieved advancing hydraulic support as set forth in claim 3 wherein: the sleeve (5) and the telescopic rod (6) are located at the front end and the rear end of the electric hydraulic rod (2), and the telescopic rod (6) is connected with the electric hydraulic rod (2) through the top plate (4).
6. A semi-relieved advancing hydraulic support as set forth in claim 1 wherein: the clamping groove (701) is tightly attached to the outer wall of the rear baffle (3), and the rear baffle (3) is connected with the fastening plate (7) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568861.4U CN211058838U (en) | 2019-09-20 | 2019-09-20 | Half-unloading walking type hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568861.4U CN211058838U (en) | 2019-09-20 | 2019-09-20 | Half-unloading walking type hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211058838U true CN211058838U (en) | 2020-07-21 |
Family
ID=71596995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568861.4U Expired - Fee Related CN211058838U (en) | 2019-09-20 | 2019-09-20 | Half-unloading walking type hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211058838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033450A (en) * | 2021-11-09 | 2022-02-11 | 安徽省矿业机电装备有限责任公司 | Adjustable supporting method for structural member |
| GB2614918A (en) * | 2022-01-25 | 2023-07-26 | Caterpillar Inc | Roof support unit for a mining machine |
-
2019
- 2019-09-20 CN CN201921568861.4U patent/CN211058838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033450A (en) * | 2021-11-09 | 2022-02-11 | 安徽省矿业机电装备有限责任公司 | Adjustable supporting method for structural member |
| CN114033450B (en) * | 2021-11-09 | 2023-12-15 | 安徽省矿业机电装备有限责任公司 | Adjustable supporting method for structural part |
| GB2614918A (en) * | 2022-01-25 | 2023-07-26 | Caterpillar Inc | Roof support unit for a mining machine |
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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: 20200721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |