CN219826876U - Anti-tilting connecting device for single hydraulic prop of coal mine - Google Patents
Anti-tilting connecting device for single hydraulic prop of coal mine Download PDFInfo
- Publication number
- CN219826876U CN219826876U CN202321338787.3U CN202321338787U CN219826876U CN 219826876 U CN219826876 U CN 219826876U CN 202321338787 U CN202321338787 U CN 202321338787U CN 219826876 U CN219826876 U CN 219826876U
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- China
- Prior art keywords
- connecting rod
- fixed plate
- rod
- single hydraulic
- hydraulic prop
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of single hydraulic supports for coal mines, in particular to an anti-tilting connection device for single hydraulic supports for coal mines, which comprises the following components: the fixing plate is internally provided with a support column; the surface of the first connecting rod is provided with a first limit groove, the surface of the first connecting rod is provided with a second limit groove, and the end part of the first connecting rod is inserted with an inserting rod; the second connecting rod is arranged in the fixing plate; the beneficial effects are as follows: the utility model provides a fixed plate fixes the surface at the pillar, peg graft the head rod at the surface of a set of fixed plate, fix through the nut, the second connecting rod is pegged graft at the surface of another set of fixed plate, use the nut to fix, when need demolish a set of fixed plate, lift down the nut on fixed plate surface, advance the inside of head rod with the reinforcing plate, take out the head rod from the head rod, rotate the head rod for the stopper is taken out from the second spacing groove.
Description
Technical Field
The utility model relates to the technical field of single hydraulic supports for coal mines, in particular to an anti-tilting connecting device for single hydraulic supports for coal mines.
Background
The single hydraulic prop is a new environment-friendly supporting device, can be matched with a metal hinged top beam to be used for supporting a top plate and a fully-mechanized mining face by adopting a Gao Dangpu mining and blasting working face, and can also be independently used for spot pillars or other temporary supporting.
The single hydraulic prop is suitable for an inclined coal seam stoping working face with the coal seam inclination angle smaller than 25-35 degrees, and the adapted conditions of the top plate and the bottom plate of the coal seam are that the back of the top plate does not influence the recovery of the prop, the bottom plate is not too soft, and the depth of the prop pressed into the bottom plate does not deteriorate the integrity of the bottom plate. However, the existing connecting device is fixed on the surface of the support column through fixing sheets and then connected through connecting rods, and when one fixing sheet is removed, both ends of the fixing rod are required to be removed, so that the time and the labor are consumed.
Disclosure of Invention
The utility model aims to provide an anti-falling connecting device for a single hydraulic prop of a coal mine, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-fall connection device for a single hydraulic prop of a coal mine, comprising:
the fixing plate is internally provided with a support column;
the surface of the first connecting rod is provided with a first limit groove, the surface of the first connecting rod is provided with a second limit groove, and the end part of the first connecting rod is inserted with an inserting rod; and
The second connecting rod is arranged in the fixing plate.
Preferably, the fixing plate is sleeved on the surface of the support column, the second connecting rod is inserted into the fixing plate, and the first connecting rod is inserted into the fixing plate.
Preferably, the second connecting rod is screwed on the surface of the fixing plate by using a nut, and the first connecting rod is screwed on the surface of the fixing plate by using a nut.
Preferably, the end part of the second connecting rod is connected with a plugging rod, the diameter of the plugging rod is smaller than that of the second connecting rod and that of the first connecting rod, and the end part of the first connecting rod is provided with a plugging hole.
Preferably, the inserting rod is inserted into the inserting hole, a limiting block is fixed on the surface of the inserting rod, and the limiting block can be inserted into the first limiting groove and the second limiting groove.
Preferably, the end part of the first connecting rod is inserted with a reinforcing plate, the reinforcing plate can move in the first connecting rod, a spring is arranged in the first connecting rod, one end of the spring is connected with the end part of the reinforcing plate, the other end of the spring is connected with the inner part of the first connecting rod, and anti-skid patterns are arranged on the surface of the reinforcing plate.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a fixed plate fixes the surface at the pillar, peg graft the head rod at the surface of a set of fixed plate, fix through the nut, the second connecting rod is pegged graft at the surface of another set of fixed plate, use the nut to fix, when need demolish a set of fixed plate, lift down the nut on fixed plate surface, advance the inside of head rod with the reinforcing plate, take out the head rod from the head rod, rotate the head rod, make the stopper take out from the second spacing groove, insert in the first spacing groove, make the head rod enter into the inside of head rod, just can take out the second connecting rod from the inside of fixed plate, only need dismantle the nut on a set of fixed plate surface just can demolish the fixed plate.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the fixing plate and the connecting rod of the present utility model;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
In the figure: the fixing plate 1, the support column 2, the first connecting rod 3, the second connecting rod 4, the first limiting groove 5, the second limiting groove 6, the limiting block 7, the reinforcing plate 8 and the inserting rod 9.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: an anti-fall connection device for a single hydraulic prop of a coal mine, comprising: the fixing plates 1 are arc-shaped, two fixing plates 1 are in a group, and a strut 2 is arranged in each group of fixing plates. The fixed plate 1 is sleeved on the surface of the support column 2, the second connecting rod 4 is inserted into the fixed plate 1, and the first connecting rod 3 is inserted into the fixed plate 1;
the connecting rod comprises a first connecting rod 3, a first limit groove 5 is formed in the surface of the first connecting rod 3, a second limit groove 6 is formed in the surface of the first connecting rod 3, a plug rod 9 is plugged into the end portion of the first connecting rod 3, the plug rod 9 is plugged into a plug hole, a limit block 7 is fixed on the surface of the plug rod 9, the limit block 7 can be plugged into the first limit groove 5 and the second limit groove 6, a reinforcing plate 8 is plugged into the end portion of the first connecting rod 3, the reinforcing plate 8 can move in the first connecting rod 3, a spring is arranged in the first connecting rod 3, one end of the spring is connected with the end portion of the reinforcing plate 8, the other end of the spring is connected with the interior of the first connecting rod 3, and anti-skid threads are formed on the surface of the reinforcing plate 8;
the inside of fixed plate 1 is located to second connecting rod 4, and second connecting rod 4 uses the nut spiro union at the surface of fixed plate 1, and first connecting rod 3 uses the nut spiro union at the surface of fixed plate 1, and the tip connection of second connecting rod 4 is inserting pole 9, and the diameter of inserting pole 9 is less than the diameter of second connecting rod 4 and first connecting rod 3, and the spliced eye has been seted up to the tip of first connecting rod 3.
The fixed plate 1 is fixed on the surface of the support column 2, the first connecting rod 3 is inserted into the surface of one group of fixed plates 1 and fixed through nuts, the second connecting rod 4 is inserted into the surface of the other group of fixed plates 1 and fixed through nuts, when one group of fixed plates 1 are required to be removed, the nuts on the surface of the fixed plates 1 are removed, the reinforcing plate 8 is pushed into the first connecting rod 3, the inserting rod 9 is pulled out of the first connecting rod 3, the inserting rod 9 is rotated, the limiting block 7 is pulled out of the second limiting groove 6 and inserted into the first limiting groove 5, the inserting rod 9 enters the first connecting rod 3, the second connecting rod 4 can be pulled out of the fixed plate 1, and the fixed plate 1 can be removed only by disassembling the nuts on the surface of one group of fixed plates 1.
While the foregoing describes illustrative embodiments of the present utility model so that those skilled in the art may understand the present utility model, the present utility model is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present utility model as long as the modifications are within the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
Claims (6)
1. An anti-tilting connecting device of a single hydraulic prop of a coal mine is characterized in that: the anti-tilting connection device of the single hydraulic prop of the coal mine comprises:
a fixed plate (1), wherein a strut (2) is arranged in the fixed plate (1);
a first limit groove (5) is formed in the surface of the first connecting rod (3), a second limit groove (6) is formed in the surface of the first connecting rod (3), and a plug-in rod (9) is inserted into the end part of the first connecting rod (3); and
And the second connecting rod (4) is arranged in the fixed plate (1).
2. The anti-fall connection device of a single hydraulic prop for coal mines according to claim 1, wherein: the fixed plate (1) is sleeved on the surface of the support column (2), the second connecting rod (4) is inserted into the fixed plate (1), and the first connecting rod (3) is inserted into the fixed plate (1).
3. The anti-fall connection device of a single hydraulic prop for coal mines according to claim 2, wherein: the second connecting rod (4) is connected to the surface of the fixed plate (1) in a threaded mode through a nut, and the first connecting rod (3) is connected to the surface of the fixed plate (1) in a threaded mode through a nut.
4. A fall arrest connection for a single hydraulic prop in a coal mine as claimed in claim 3, wherein: the end part of the second connecting rod (4) is connected with a plugging rod (9), the diameter of the plugging rod (9) is smaller than the diameters of the second connecting rod (4) and the first connecting rod (3), and a plugging hole is formed in the end part of the first connecting rod (3).
5. The anti-fall connection device of a single hydraulic prop for a coal mine according to claim 4, wherein: the plug rod (9) is plugged in the plug hole, a limiting block (7) is fixed on the surface of the plug rod (9), and the limiting block (7) can be plugged in the first limiting groove (5) and the second limiting groove (6).
6. The anti-fall connection device of a single hydraulic prop for a coal mine according to claim 5, wherein: the end of the first connecting rod (3) is inserted with a reinforcing plate (8), the reinforcing plate (8) can move in the first connecting rod (3), a spring is arranged in the first connecting rod (3), one end of the spring is connected with the end of the reinforcing plate (8), the other end of the spring is connected with the inside of the first connecting rod (3), and anti-skidding patterns are formed on the surface of the reinforcing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338787.3U CN219826876U (en) | 2023-05-30 | 2023-05-30 | Anti-tilting connecting device for single hydraulic prop of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338787.3U CN219826876U (en) | 2023-05-30 | 2023-05-30 | Anti-tilting connecting device for single hydraulic prop of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826876U true CN219826876U (en) | 2023-10-13 |
Family
ID=88283290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321338787.3U Active CN219826876U (en) | 2023-05-30 | 2023-05-30 | Anti-tilting connecting device for single hydraulic prop of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826876U (en) |
-
2023
- 2023-05-30 CN CN202321338787.3U patent/CN219826876U/en active Active
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