CN220979551U - Hydraulic support for supporting coal face - Google Patents
Hydraulic support for supporting coal face Download PDFInfo
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- CN220979551U CN220979551U CN202322797016.7U CN202322797016U CN220979551U CN 220979551 U CN220979551 U CN 220979551U CN 202322797016 U CN202322797016 U CN 202322797016U CN 220979551 U CN220979551 U CN 220979551U
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- 239000003245 coal Substances 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a hydraulic support for supporting a coal face, which comprises the following components: the hydraulic support comprises a hydraulic support body, a rectangular box, a connecting seat, a telescopic cylinder, a connector and a connecting locking mechanism; the two rectangular boxes are respectively arranged at the front side and the rear side of the supporting base of the hydraulic support body in a mirror image mode, the plurality of connecting seats are arranged at the top end of the inner cavity of the rectangular boxes from front to back, and the telescopic cylinder is arranged at the bottom ends of the connecting seats; the connector is installed in the bottom of flexible cylinder, and flexible cylinder drives the upper and lower flexible of connector, can make the connector move down and support tightly subaerial, and when the ground of hydraulic support body bottom was steady inadequately, the support of accessible flexible cylinder and connector obtained the fine setting effect, stability when improving the hydraulic support body installation. The hydraulic support for supporting the coal face can greatly improve the stability and the reliability of the hydraulic support, so that the hydraulic support is more suitable for construction work on uneven ground.
Description
Technical Field
The utility model relates to the technical field of hydraulic supports, in particular to a hydraulic support for supporting a coal face.
Background
The coal face is an important step of coal mining, and is supported by the support, so that the safety of workers is ensured, and meanwhile, the coal mining efficiency is improved. Conventional coal face supports consist essentially of telescoping support posts and support legs that support the coal face by penetrating into the coal wall or rock. However, due to the influence of factors such as geological conditions, coal gangue, water stain and the like in the coal mining process, higher requirements are put on the stability of the support, and a more stable and reliable support structure is required.
With the development of hydraulic technology, hydraulic brackets have become a widely used bracket type, which mainly comprises a bracket body and a hydraulic system. The support body comprises a support, an upright post, a top beam, a foundation and the like, and the hydraulic system comprises a hydraulic oil cylinder, an oil pipe, an oil pump and the like. The hydraulic support provides support force through the pneumatic cylinder, can adapt to various complicated geological conditions, improves the stability and the security of support. Compared with the traditional bracket, the hydraulic bracket has the characteristics of simple and convenient installation, automatic adjustment of bracket force, capability of increasing the bracket capacity along with the change of the bracket height and the like, and is widely applied.
However, the existing hydraulic support still has some defects, such as instability, movement and the like, which are easy to occur under the condition of uneven ground, and therefore, a more stable and reliable hydraulic support needs to be developed to cope with the use of the coal face.
Disclosure of utility model
The utility model aims to solve the technical problem that the hydraulic support in the prior art is easy to unstable and move during working on uneven ground, and provides a hydraulic support for supporting a coal face.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic support for supporting a coal face, comprising: the hydraulic support comprises a hydraulic support body, a rectangular box, a connecting seat, a telescopic cylinder, a connector and a connecting locking mechanism;
The two rectangular boxes are respectively arranged at the front side and the rear side of the supporting base of the hydraulic support body in a mirror image mode, the plurality of connecting seats are arranged at the top end of the inner cavity of the rectangular boxes from front to back, and the telescopic cylinder is arranged at the bottom ends of the connecting seats; the connector is arranged at the bottom end of the telescopic cylinder, the telescopic cylinder drives the connector to stretch up and down, the connector can move downwards to be tightly abutted against the ground, when the ground at the bottom of the hydraulic support body is not stable enough, the supporting of the telescopic cylinder and the connector can be subjected to fine adjustment, and the stability of the hydraulic support body during installation is improved;
The two connecting and locking mechanisms are respectively arranged on the front side and the rear side of the top end of the rectangular box and are used for connecting and locking the two adjacent hydraulic support bodies.
In a preferred embodiment, the connection locking mechanism comprises: the device comprises a connecting block, a slot, an inserting plate, a threaded hole, a sleeve block, a threaded column, a lower groove and a locking component;
The two connecting blocks are respectively arranged on the front side and the rear side of the top end of the rectangular box, the left side and the right side of the connecting block are respectively provided with through slots, the inserting plates are inserted into the slots which are matched with each other, the two threaded holes are respectively arranged on the front side and the rear side of the top end of the inserting plates, the sleeve blocks are arranged on the right side of the bottom end of the inner cavity of each inserting plate, the left ends of the threaded columns are in threaded connection with the right side of the inner cavity of each sleeve block, the outer wall threads of the left and the right parts of the threaded columns are oppositely arranged, the right ends of the threaded columns are also in threaded connection with the same sleeve blocks, the inserting plates are also provided with inserting plates, the inserting plates can be inserted into the slots in the connecting blocks of the adjacent same hydraulic support bodies, the threaded columns are used for adjusting the distance between the two sleeve blocks and the two inserting plates, the inserting plates are inserted into the slots or moved out of the inserting plates, the two adjacent hydraulic support bodies are connected, the lower grooves are respectively arranged on the front side and the rear side of the bottom end of the inner cavity of each inserting plates, and the locking assemblies are arranged on the top of the connecting blocks and are used for locking the fixing the inserting plates between the inner cavities of the inserting plates and the connecting blocks.
In a preferred embodiment, the locking assembly comprises: the hollow plate, the handle, the driving gear, the screw and the driven gear;
The hollow plate is placed on the top of connecting block, the handle passes through the bearing rotatable installation in the top central point of hollow plate, the bottom of handle extends to the inner chamber of hollow plate and key-type has the driving gear, two screws pass through the bearing rotatable installation respectively in the cavity top front and back both sides of hollow plate, the outer wall top key-type of screw rod has driven gear, driven gear and driving gear intermeshing are in the same place, the bottom of screw rod runs through connecting block screw access screw hole in to extend to the inner chamber of lower groove, under the spiro union effect of screw rod and screw hole, can fix the picture peg locking in the slot between with the connecting block.
Compared with the prior art, the hydraulic support is provided with the plurality of connecting seats which are arranged at the top end of the inner cavity of the rectangular box from front to back and are used for arranging the telescopic cylinder in the inner cavity of the rectangular box through the connecting seats, the telescopic cylinder is connected with the rectangular box through the connecting heads and can move up and down, so that the telescopic cylinder and the connecting heads support the hydraulic support tightly against the ground, a certain fine tuning effect is achieved, and the stability of the hydraulic support during installation and use is improved; the front side and the rear side of the top end of the rectangular box are also provided with connecting locking mechanisms, and two adjacent hydraulic support bodies are connected and locked through the connecting blocks, the slots, the plugboards, the threaded holes, the sleeve blocks, the threaded columns, the lower grooves and the locking components, so that the hydraulic support is prevented from moving during working and is further improved in stability, the stability and the reliability of the hydraulic support can be greatly improved, and the hydraulic support is more suitable for construction work on uneven ground.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the rectangular box and the connection locking mechanism of FIG. 1;
FIG. 3 is a schematic view of the right side cross-sectional structure of the rectangular box of FIG. 2;
Fig. 4 is a schematic diagram of a right-side cross-sectional structure of the connection block in fig. 2.
In the figure: 1. a hydraulic bracket body; 2. a rectangular box; 3. a connecting seat; 4. a telescopic cylinder; 5. a connector; 6. connecting a locking mechanism; 61. a connecting block; 62. a slot; 63. inserting plate; 64. a threaded hole; 65. sleeving blocks; 66. a threaded column; 67. a lower groove; 68. a hollow slab; 69. a handle; 610. a drive gear; 611. a screw; 612. a driven gear.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment may be made by those skilled in the art as required for the inventive contribution to the art after having read the present description, but are intended to be protected by the patent law within the scope of the present claims.
The utility model discloses a hydraulic support for supporting a coal face, which solves the technical problems in the prior art and has the following general ideas:
Embodiment one:
See fig. 1, 2, 3, 4; a hydraulic support for supporting a coal face, comprising: the hydraulic support comprises a hydraulic support body 1, a rectangular box 2, a connecting seat 3, a telescopic cylinder 4, a connector 5 and a connecting locking mechanism 6;
The hydraulic support body 1 comprises a support base and an extensible hydraulic support arranged on the support base; the two rectangular boxes 2 are respectively arranged at the front side and the rear side of the supporting base of the hydraulic support body 1 in a mirror image mode and used for installing and supporting the telescopic cylinder 4 and the connecting locking mechanism 6, the bottoms of the rectangular boxes 2 are open, installation of the telescopic cylinder 4 and the connecting seat 3 is facilitated, a partition plate with holes can be additionally arranged at the bottom of an inner cavity of the rectangular boxes 2, the inner cylinder of the telescopic cylinder 4 passes through the holes, dust entering the rectangular boxes 2 is reduced by the partition plate, and the telescopic cylinder 4 is protected; the connecting seats 3 are arranged at the top end of the inner cavity of the rectangular box 2 from front to back, and the telescopic cylinder 4 is arranged in the inner cavity of the rectangular box 2 through the connecting seats 3; the telescopic cylinder 4 is arranged at the bottom end of the connecting seat 3, and the telescopic cylinder 4 can drive the connecting head 5 to move up and down; the connector 5 is arranged at the bottom end of the telescopic cylinder 4, a part of the connector 5 extends out of the rectangular box 2, the telescopic cylinder 4 drives the connector 5 to stretch up and down, the connector 5 can move down to be tightly abutted against the ground, when the ground at the bottom of the hydraulic support body 1 is not stable enough, the supporting of the telescopic cylinder 4 and the connector 5 can be subjected to fine adjustment, and the stability of the hydraulic support body 1 during installation is improved; two connection locking mechanisms 6 are respectively provided on both sides around the top end of the rectangular box 2, and the connection locking mechanisms 6 include: connecting block 61, slot 62, picture peg 63, screw hole 64, cover piece 65, screw thread post 66, lower recess 67 and locking subassembly for connect the locking between two adjacent hydraulic support bodies 1, can prevent to appear the drunkenness during operation, further improvement stability, locking subassembly includes: hollow plate 68, handle 69, driving gear 610, screw 611 and driven gear 612, for locking insert plate 63 between the inner cavity of slot 62 and connecting block 61;
In the connection locking mechanism 6, two connecting blocks 61 are respectively arranged at the front and rear sides of the top end of a rectangular box 2, a slot 62 which is penetrated from left to right is formed in the right side of the connecting block 61, the inserting plate 63 is inserted into the slot 62 which is matched with each other, two threaded holes 64 are respectively formed at the front and rear sides of the top end of the inserting plate 63, a sleeve block 65 is arranged at the right side of the inserting plate 63, the left ends of threaded columns 66 are in threaded connection with the right side of the inner cavity of the sleeve block 65, the left and right outer wall threads of the threaded columns 66 are arranged in opposite directions, the right ends of the threaded columns 66 are also in threaded connection with the same sleeve block 65, meanwhile, the inserting plate 63 can be inserted into the slot 62 in the connecting block 61 of the adjacent same hydraulic bracket body 1, the threaded columns 66 are used for adjusting the distance between the two sleeve blocks 65 and the two inserting plates 63, the inserting plate 63 can be inserted into the slot 62 or moved out of the inserting plate 63, and the two adjacent hydraulic bracket bodies 1 are connected, and when the sleeve blocks 65 cannot rotate, the left and right parts of the threaded columns 66 can not rotate, the left and right parts of the threaded columns 66 can be driven to move down to the front and the bottom ends of the connecting blocks 61 or the two adjacent hydraulic bracket bodies are respectively arranged at the front and the two sides of the front and the bottom ends of the connecting block 61;
In the locking assembly, a hollow plate 68 is placed at the top end of a connecting block 61, a handle 69 is rotatably installed at the center of the top end of the hollow plate 68 through a bearing, the bottom end of the handle 69 extends to the inner cavity of the hollow plate 68 and is connected with a driving gear 610 in a key manner, the driving gear 610 can be driven to rotate through the handle 69, two screws 611 are rotatably installed at the front side and the rear side of the top end of the inner cavity of the hollow plate 68 through bearings respectively, the top ends of the outer walls of the screws 611 are connected with driven gears 612 in a key manner, the driven gears 612 and the driving gear 610 are meshed with each other, the driven gears 612 and the screws 611 can be driven to rotate when the driving gear 610 rotates, the bottom ends of the screws 611 penetrate through the connecting block 61 and are connected into the threaded holes 64 in a threaded manner and extend to the inner cavity of a lower groove 67, and under the screw connection effect of the screws 611 and the threaded holes 64, the insertion plate 63 can be locked between the insertion plate 62 and the connecting block 61.
In particular, in order to realize the installation between the connecting seat 3 and the rectangular box 2, fixing bolts are arranged at four corners of the bottom of the connecting seat 3, so that the connection strength between the connecting seat 3 and the rectangular box 2 can be enhanced.
During the concrete implementation, for the convenience plays good auxiliary stay to hydraulic support body 1 through flexible cylinder 4 and connector 5, the bottom of connector 5 has the rubber pad, can increase its frictional force, improves stability.
In particular, in order to ensure that the socket block 65 is moved inward by the rotation of the threaded post 66, the insert plate 63 is completely moved out of the slot 62, and a sufficient distance is provided between the outer side of the inner cavity of the socket block 65 and the two ends of the threaded post 66, so that the socket block 65 is moved inward by a sufficient distance on the threaded post 66, the insert plate 63 is moved out of the slot 62, and the left side of the socket block 65 at the left end of the threaded post 66 is attached to the right side wall surface of the connecting block 61.
The detailed connection means are known in the art, and mainly introduce the working principle and process as follows:
After the hydraulic support body 1 is placed on a coal face to be worked, each telescopic cylinder 4 is started to drive the connector 5 to move downwards to abut against the ground, so that the hydraulic support body 1 can be supported, the hydraulic support body 1 can be finely adjusted on the uneven ground to a certain extent, meanwhile, the rubber pad arranged on the connector 5 can increase friction force, the stability of the hydraulic support body 1 is improved, the inserting plate 63 outside which is not inserted into the inserting groove 62 is supported, the threaded column 66 is rotated, as the two inserting plates 63 are connected with the corresponding sleeve blocks 65 in a limiting state, when the threaded column 66 rotates, the left end of the threaded column 66 is gradually screwed into the left sleeve block 65, the sleeve block 65 at the right end of the threaded column 66 is gradually screwed into the left side of the threaded column 66, the distance between the two inserting plates 63 is gradually reduced, the placement of the adjacent hydraulic support body 1 can be facilitated, when the threaded post 66 is controlled to reversely rotate, the distance between the two inserting plates 63 can be gradually increased, the inserting plates 63 on the right end sleeve blocks 65 of the threaded post 66 are gradually moved outwards until the inserting plates are inserted into the inserting grooves 62 of the corresponding connecting blocks 61 on the adjacent hydraulic support bodies 1, finally, the screw rods 611 in the locking assembly are inserted into the connecting blocks 61 on the adjacent hydraulic support bodies 1, after the screw rods 611 are butted with the threaded holes 64, the driving gear 610 is driven to rotate by the rotating handle 69, the driving gear 610 drives the driven gear 612 and the screw rods 611 to rotate, the screw rods 611 are gradually screwed into the threaded holes 64 until the inserting plates 63 on the right end of the threaded post 66 extend into the lower grooves 67, the screw rods 611 lock the inserting grooves 62 of the connecting blocks 61 on the adjacent hydraulic support bodies 1, and then the two hydraulic support bodies 1 are connected and locked, to prevent play during operation and to further improve stability.
Claims (6)
1. A hydraulic support for supporting a coal face, comprising: the hydraulic support comprises a hydraulic support body (1), a rectangular box (2), a connecting seat (3), a telescopic cylinder (4), a connector (5) and a connecting locking mechanism (6), wherein the hydraulic support body (1) comprises a support base and an extensible hydraulic support arranged on the support base; the two rectangular boxes (2) are respectively arranged at the front side and the rear side of the supporting base of the hydraulic support body (1) in a mirror image mode and are used for installing and supporting the telescopic cylinder (4) and the connecting locking mechanism (6); the connecting seats (3) are arranged at the top end of the inner cavity of the rectangular box (2) from front to back, and the telescopic cylinder (4) is arranged in the inner cavity of the rectangular box (2) through the connecting seats (3); the telescopic cylinder (4) is arranged at the bottom end of the connecting seat (3); the connector (5) is arranged at the bottom end of the telescopic cylinder (4), the telescopic cylinder (4) drives the connector (5) to stretch up and down, so that the connector (5) can move downwards to be abutted against the ground, and the stability of the hydraulic support body (1) during installation is improved; the two connecting and locking mechanisms (6) are respectively arranged on the front side and the rear side of the top end of the rectangular box (2) and are used for connecting and locking the two adjacent hydraulic support bodies (1).
2. The hydraulic support for supporting a coal face according to claim 1, wherein: fixing bolts are arranged at four corners of the bottom of the connecting seat (3), so that the connection strength between the connecting seat (3) and the rectangular box (2) can be enhanced.
3. The hydraulic support for supporting a coal face according to claim 1, wherein: the bottom of the connector (5) is provided with a rubber pad, so that the friction force of the connector can be increased, and the stability is improved.
4. The hydraulic support for supporting a coal face according to claim 1, wherein: the connection locking mechanism (6) includes: the device comprises a connecting block (61), a slot (62), a plugboard (63), a threaded hole (64), a sleeve block (65), a threaded column (66), a lower groove (67) and a locking component;
The two connecting blocks (61) are respectively arranged at the front and rear sides of the top end of the rectangular box (2), the slots (62) which are penetrated left and right are formed at the right side of the connecting blocks (61), the inserting plates (63) are inserted into the slots (62) which are matched with each other, the two threaded holes (64) are respectively formed at the front and rear sides of the top end of the inserting plates (63), the sleeve blocks (65) are arranged at the right side of the inserting plates (63), the left ends of the threaded columns (66) are in threaded connection with the right side of the inner cavity of the sleeve blocks (65), the outer wall threads of the left and right parts of the threaded columns (66) are arranged in opposite directions, the right ends of the threaded columns (66) are also in threaded connection with the same sleeve blocks (65), meanwhile, the inserting plates (63) are also arranged at the right ends of the inserting plates (63) which can be inserted into the inserting slots (62) in the connecting blocks (61) on the adjacent same hydraulic support body (1), the threaded columns (66) are used for adjusting the two sleeve blocks (65) and the two sleeve blocks (62) to be inserted into the inner cavity right side of the inserting plates (62) which are arranged in the inserting plates (61), the distance between the two sleeve blocks (63) is set up in the front of the two connecting blocks (61) respectively, the two connecting blocks (61) are arranged at the front of the two sides of the front of the connecting blocks (61), the socket is used for locking the plugboard (63) between the inner cavity of the slot (62) and the connecting block (61) for fixing.
5. The hydraulic support for supporting a coal face according to claim 4, wherein: the sleeve block (65) is further provided with a sufficient distance between the outer side of the inner cavity of the sleeve block (65) and two ends of the threaded column (66), so that the sleeve block (65) can move inwards on the threaded column (66) with a sufficient distance, the inserting plate (63) can be moved out of the inserting groove (62), and the left side of the sleeve block (65) at the left end of the threaded column (66) is attached to the right side wall surface of the connecting block (61).
6. The hydraulic support for supporting a coal face according to claim 4, wherein: the locking assembly includes: a hollow plate (68), a handle (69), a driving gear (610), a screw (611) and a driven gear (612);
The hollow plate (68) is placed on the top of the connecting block (61), the handle (69) is rotatably installed on the center of the top of the hollow plate (68) through a bearing, the bottom end of the handle (69) extends to the inner cavity of the hollow plate (68) and is connected with the driving gear (610) through keys, two screws (611) are rotatably installed on the front side and the rear side of the top of the inner cavity of the hollow plate (68) through bearings respectively, driven gears (612) are connected with the top end keys of the outer wall of the screws (611) and are meshed with the driving gear (610) mutually, the bottom end of each screw (611) penetrates through the connecting block (61) to be screwed into the threaded hole (64) and extends to the inner cavity of the lower groove (67), and under the screwed effect of the screws (611) and the threaded holes (64), the inserting plate (63) can be locked in the inserting grooves (62) to be fixed with the connecting block (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322797016.7U CN220979551U (en) | 2023-10-18 | 2023-10-18 | Hydraulic support for supporting coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322797016.7U CN220979551U (en) | 2023-10-18 | 2023-10-18 | Hydraulic support for supporting coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979551U true CN220979551U (en) | 2024-05-17 |
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ID=91066739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322797016.7U Active CN220979551U (en) | 2023-10-18 | 2023-10-18 | Hydraulic support for supporting coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979551U (en) |
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2023
- 2023-10-18 CN CN202322797016.7U patent/CN220979551U/en active Active
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