CN217107085U - Safety hydraulic support for coal mine production - Google Patents
Safety hydraulic support for coal mine production Download PDFInfo
- Publication number
- CN217107085U CN217107085U CN202220823721.2U CN202220823721U CN217107085U CN 217107085 U CN217107085 U CN 217107085U CN 202220823721 U CN202220823721 U CN 202220823721U CN 217107085 U CN217107085 U CN 217107085U
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- Prior art keywords
- hydraulic support
- coal mine
- base
- sets
- shield
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- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000005065 mining Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010878 waste rock Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a safety hydraulic support for coal mine production, which relates to the technical field of coal mine production equipment, a traditional device can move a backing plate up and down manually and independently to adjust the flatness of a bottom plate, but the weight of a coal mine hydraulic support of a single group is between 12 and 25 tons in practical use, so that manual adjustment is more laborious, the safety hydraulic support comprises a base, two groups of support plates are symmetrically and fixedly arranged at the top end of the base, one ends of the tops of the two groups of support plates are respectively provided with a connecting rod A and a connecting rod B through a shaft rod, a top beam is arranged above the base, one end of the top beam is provided with a shield beam through the shaft rod, one end of the shield beam is provided with an extension beam through the shaft rod, the protection area of the shield beam can be further enlarged through the extension beam and a hydraulic cylinder when the safety hydraulic support is used, the traditional coal mine hydraulic support generally only has the shield beam as protection, bear the loading of the waste rock caving in the goaf, the extension beam enlarges the protection area of the shield beam, and the waste rock is further prevented from entering the working area.
Description
Technical Field
The utility model relates to a coal mine production equipment technical field specifically is a safety hydraulic support is used in coal mine production.
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.
Chinese patent publication No. CN215804649U discloses a safety hydraulic support for coal mine, which comprises a bottom plate, a base, a shield beam, a top beam, a front beam, a shield plate, a jack, a connecting rod, an upright post, a leveling device, etc., wherein the device can move a backing plate up and down independently by hand to adjust the flatness of the bottom plate, but in actual use, the weight of a single group of hydraulic supports for coal mine is usually 12-25 tons, so manual adjustment is laborious.
Therefore, the technical personnel in the field provide a safety hydraulic support for coal mine production to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety hydraulic support is used in coal mine production to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a safety hydraulic support for coal mine production, includes the base, the fixed two sets of backup pads that are provided with of top symmetry of base, connecting rod A and connecting rod B are installed respectively through the axostylus axostyle to the top one end of two sets of backup pads, and the top of base is provided with the back timber, and the one end of back timber is installed through the axostylus axostyle and is shielded the roof beam, and the extension roof beam is installed through the axostylus axostyle to the one end of shielding the roof beam.
As the utility model discloses scheme further again, connecting rod A and connecting rod B's top all rotates the installation through the pivot and the one end bottom of shielding the roof beam, and the front-axle beam is installed through the pivot to the one end of back timber.
As the utility model discloses further scheme again, the bottom inner wall fixed mounting of extension roof beam has two sets of connecting plates, installs the pneumatic cylinder through the pivot between two sets of connecting plates, and two sets of pneumatic cylinder one end are connected through the pivot installation with the bottom that shields the roof beam.
As the utility model discloses further scheme again, it is two sets of hydraulic column is installed through the pivot to the one end of backup pad, and the top of two sets of hydraulic column rotates the installation with the bottom of back timber.
As the utility model discloses further scheme again, the mounting groove has been seted up to the bottom right angle department of base, and the inside fixed mounting of mounting groove has flat hydro-cylinder, and flat hydro-cylinder's bottom is fixed and is provided with the backing plate.
As the utility model discloses scheme further again, the bottom pad of base is equipped with and increases the board, increases one side of board and has seted up a plurality of groups step groove, and the surface in step groove is provided with anti-skidding line.
As a further proposal of the utility model, the backing plate and the heightening plate are made of metal materials made of steel materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the flat hydro-cylinder, the backing plate that set up, can external outside supply when using and press equipment, when base one side because the ground unevenness takes place the slope, can adjust the level of base through the flat hydro-cylinder that sets up, will increase the board after the regulation is accomplished and place the bottom at the base, increase a plurality of groups step groove that set up on the board and can select suitable step groove card between base and ground according to the clearance between base and the ground. Compared with the traditional equipment for manually rotating the threaded rod, the mode is labor-saving.
2. Through the extension roof beam, the pneumatic cylinder that set up, the protection area that the extension roof beam can further enlarge the screen roof beam when using, and traditional colliery hydraulic support only generally has the screen roof beam as the protection, bears the collecting space area waste rock load that caves in, and the extension roof beam enlarges the protection area that screens the roof beam, further avoids the waste rock to get into the workspace.
Drawings
FIG. 1 is a schematic overall structure diagram of a safety hydraulic support for coal mine production;
FIG. 2 is an enlarged schematic view of a safety hydraulic support for coal mine production at A;
fig. 3 is an enlarged view of a safety hydraulic support for coal mine production at the position B.
In the figure: 1. a top beam; 101. a front beam; 102. a hydraulic column; 103. covering the beam; 104. a connecting rod A; 105. a connecting rod B; 106. extending the beam; 107. a step groove; 108. heightening plates; 109. A support plate; 110. a base; 111. a hydraulic cylinder; 112. a connecting plate; 113. mounting grooves; 114. a flat oil cylinder; 115. a backing plate.
Detailed Description
Please refer to fig. 1-3, in the embodiment of the utility model, a safety hydraulic support is used in coal mine production, the on-line screen storage device comprises a base 110, the fixed two sets of backup pads 109 that are provided with of top symmetry of base 110, connecting rod A104 and connecting rod B105 are installed respectively through the axostylus axostyle to the top one end of two sets of backup pads 109, the top of base 110 is provided with back timber 1, the one end of back timber 1 is installed through the axostylus axostyle and is shielded roof beam 103, the extension roof beam 106 is installed through the axostylus axostyle to the one end that shields roof beam 103, the top of connecting rod A104 and connecting rod B105 all rotates the installation through pivot and the one end bottom that shields roof beam 103, front beam 101 is installed through the pivot to the one end of back timber 1, the bottom inner wall fixed mounting of extension roof beam 106 has two sets of connecting plates 112, install pneumatic cylinder 111 through the pivot between two sets of connecting plates 112, two sets of pneumatic cylinder 111 one end and the bottom that shields roof beam 103 are connected through the pivot installation.
As shown in fig. 1, 2 and 3, hydraulic uprights 102 are mounted at one end of two sets of support plates 109 through a rotating shaft, and the top ends of the two sets of hydraulic uprights 102 are rotatably mounted with the bottom of the top beam 1 to provide a supporting force for the top beam 1.
As shown in fig. 1, 2 and 3, a mounting groove 113 is formed at a right angle of the bottom of the base 110, a flat cylinder 114 is fixedly mounted inside the mounting groove 113, a backing plate 115 is fixedly arranged at the bottom of the flat cylinder 114, and if the base 110 inclines due to uneven ground, the adjustment can be performed through the flat cylinder 114.
As shown in fig. 1, 2 and 3, a heightening plate 108 is padded at the bottom of the base 110, a plurality of sets of step grooves 107 are formed in one side of the heightening plate 108, and anti-skid lines are arranged on the surface of the step grooves 107, so that the heightening plate 108 can slide after being padded.
As shown in fig. 1, 2, and 3, the backing plate 115 and the height increasing plate 108 are made of a metal material, i.e., a steel material, so as to ensure the load-bearing capacity of the height increasing plate 108.
The utility model discloses a theory of operation is: when the shield beam 106 is used, the space of a goaf behind the shield beam 106 can be adjusted in a rotating mode through the hydraulic cylinder 111, the extension beam 106 is rotatably connected with the shield beam 103 through the shaft rod, the protection area of the shield beam 103 can be enlarged, gangue in the goaf can be prevented from entering an operation area in front of the goaf, the base 110 is placed, if one side of the ground is uneven, the flat oil cylinder 114 is externally connected with pressure supply equipment, one side of the base 110 is jacked through the flat oil cylinder 114, then the heightening plate 108 is placed between a gap between the base 110 and the ground, a plurality of groups of step grooves 107 on the heightening plate 108 can be placed in according to the height of the gap, after the heightening plate 108 is selected to be padded, the situation that the flat oil cylinder 114 is always used as a support can be avoided, the flat oil cylinder 114 is easy to damage, and the investment cost is increased.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a safety hydraulic support for coal production, includes base (110), its characterized in that: the fixed two sets of backup pads (109) that are provided with of top symmetry of base (110), connecting rod A (104) and connecting rod B (105) are installed respectively through the axostylus axostyle to the top one end of two sets of backup pads (109), and the top of base (110) is provided with back timber (1), and shield roof beam (103) are installed through the axostylus axostyle to the one end of back timber (1), and extension roof beam (106) are installed through the axostylus axostyle to the one end of shield roof beam (103), mounting groove (113) have been seted up to the bottom right angle department of base (110), and the inside fixed mounting of mounting groove (113) has flat hydro-cylinder (114), and the bottom of flat hydro-cylinder (114) is fixed and is provided with backing plate (115).
2. The safety hydraulic support for coal mine production according to claim 1, characterized in that the top ends of the connecting rod A (104) and the connecting rod B (105) are rotatably mounted with the bottom of one end of the shield beam (103) through a rotating shaft, and one end of the top beam (1) is provided with the front beam (101) through a rotating shaft.
3. The safety hydraulic support for coal mine production according to claim 1, characterized in that two groups of connecting plates (112) are fixedly installed on the inner wall of the bottom of the extension beam (106), a hydraulic cylinder (111) is installed between the two groups of connecting plates (112) through a rotating shaft, and one end of each group of hydraulic cylinder (111) is connected with the bottom of the shield beam (103) through a rotating shaft.
4. The safety hydraulic support for coal mine production according to claim 1, characterized in that one end of each of the two sets of support plates (109) is provided with a hydraulic upright (102) through a rotating shaft, and the top ends of the two sets of hydraulic uprights (102) are rotatably arranged with the bottom of the top beam (1).
5. The safety hydraulic support for coal mine production according to claim 1, wherein a heightening plate (108) is padded at the bottom of the base (110), a plurality of sets of step grooves (107) are formed in one side of the heightening plate (108), and anti-skid lines are arranged on the surfaces of the step grooves (107).
6. A safety hydraulic prop for coal mining operations according to claim 1, characterized in that the shim plate (115) and the heightening plate (108) are both made of a metal material, which is a steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220823721.2U CN217107085U (en) | 2022-04-11 | 2022-04-11 | Safety hydraulic support for coal mine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220823721.2U CN217107085U (en) | 2022-04-11 | 2022-04-11 | Safety hydraulic support for coal mine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217107085U true CN217107085U (en) | 2022-08-02 |
Family
ID=82579626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220823721.2U Expired - Fee Related CN217107085U (en) | 2022-04-11 | 2022-04-11 | Safety hydraulic support for coal mine production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217107085U (en) |
-
2022
- 2022-04-11 CN CN202220823721.2U patent/CN217107085U/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: 20220802 |