CN213597992U - Umbrella-shaped point column type temporary support for coal mine tunnel - Google Patents
Umbrella-shaped point column type temporary support for coal mine tunnel Download PDFInfo
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- CN213597992U CN213597992U CN202021825681.2U CN202021825681U CN213597992U CN 213597992 U CN213597992 U CN 213597992U CN 202021825681 U CN202021825681 U CN 202021825681U CN 213597992 U CN213597992 U CN 213597992U
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Abstract
The utility model relates to the technical field of coal mine safety, in particular to an umbrella-shaped point column type temporary support for a coal mine tunnel, which comprises a fixing device and a supporting device; the fixing device comprises a bottom plate, fixing holes are formed in four corners of the bottom plate, a dismounting plate is arranged on the upper surface of the bottom plate corresponding to the fixing holes, fixing bolts are inserted into the fixing holes of the dismounting plate and the bottom plate, a first supporting column is fixedly mounted at the center of the bottom plate, and a first limiting groove is formed in the outer surface of the first supporting column. The utility model has the advantages that: through the dismantlement board, dismantle sleeve and first thread bush set up the effectual construction of having avoided finishing dismantlement troublesome hard, difficult drawback of dismantling can be through the cooperation with first spacing groove, wire rope and first flank of thread, can be through hanging wire rope to the dismantlement board, thereby it dismantles the gim peg to slide in first spacing spout to drive the dismantlement sleeve through the mode of rotatory first thread bush.
Description
Technical Field
The utility model relates to a coal mine safety technical field, especially an umbrella-type point post formula temporary support for coal mine tunnel.
Background
The tunnel is various passages drilled between the earth surface and the ore body and used for transporting ores, ventilating, draining water, pedestrians, various necessary preparation projects newly excavated for mining ores for metallurgical equipment, and the passages are collectively called as tunnels and are infrastructure for underground coal mine mining.
Most of the existing umbrella-shaped point column type temporary supports for coal mine tunnels are fixed on the ground of the coal mine tunnels for use, and most of the existing fixing methods are directly fixed on the ground by iron pins, so that the supports are troublesome and labor-consuming to disassemble after construction is finished and are not easy to disassemble; and the existing umbrella-shaped point column type temporary support for the coal mine tunnel is more complicated in height adjustment and is difficult to operate in a narrow space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an umbrella-type point post formula temporary support for coal mine tunnel.
The purpose of the utility model is realized through the following technical scheme: an umbrella-shaped point column type temporary support for a coal mine tunnel comprises a fixing device and a supporting device; the fixing device comprises a bottom plate, fixing holes are formed in four corners of the bottom plate, a dismounting plate is arranged on the upper surface of the bottom plate corresponding to the fixing holes, fixing bolts are inserted into the fixing holes of the dismounting plate and the bottom plate, a first support column is fixedly arranged in the center of the bottom plate, and a first limiting groove is formed in the outer surface of the first support column;
a first threaded surface is formed on the outer surface of the first support column, which is close to the top end of the first limiting groove, a dismounting sleeve is sleeved on the outer surface of the first support column, a steel wire rope is fixedly connected to the bottom end of the dismounting sleeve, a first threaded sleeve is rotatably clamped at the top end of the dismounting sleeve, the first threaded sleeve and the first threaded surface are mutually matched, a limiting strip is arranged on the inner wall of the first support column, a second threaded sleeve is rotatably clamped at the top end of the first support column, and the second threaded sleeve is connected with a support device through threads;
the supporting device comprises a second supporting column, a second threaded surface is formed in the outer surface of the second supporting column, a second limiting groove is formed in the outer surface of the second supporting column, one end, far away from the fixing device, of the top end of the second supporting column is rotated to install a supporting plate, and the top end, located on the second threaded surface, of the second supporting column is rotated to install a supporting rod.
Optionally, a sliding block matched with the first limiting groove is arranged on the inner side of the dismounting sleeve.
Optionally, one end of the steel wire rope, which is far away from the dismounting sleeve, is fixedly connected with a hook.
Optionally, a force arm steel pipe is sleeved on the handle of the first threaded sleeve.
Optionally, the limiting strip and the second limiting groove are mutually matched, and the limiting strip and the second limiting groove are mutually connected in a sliding manner.
Optionally, a lifting ring is fixedly mounted at the top end of the dismounting plate.
Optionally, the bottom plate is made of common cast iron.
The utility model has the advantages of it is following:
1. this an umbrella-type point post formula temporary support for coal mine tunnel, through the stripper plate, the umbrella-type point post formula temporary support who has effectually avoided current coal mine tunnel of setting up of dismantlement sleeve and first thread bush passes through the iron round pin snap-on to subaerial, the construction finishes to dismantle more troublesome hard, the drawback of difficult dismantlement, through first spacing groove, the cooperation of wire rope and first flank of thread, can be through hanging wire rope on the stripper plate, thereby it slides in first spacing spout to dismantle the gim peg to drive the dismantlement sleeve through the mode of rotatory first thread bush, operation method is simple and convenient, and has practical value.
2. This an umbrella-type point post formula temporary support for coal mine tunnel, through the second thread bush, the setting of second support column and second flank of thread, effectually avoided current umbrella-type point post formula temporary support for coal mine tunnel to carry out height control more loaded down with trivial details, the difficult drawback of operation in the narrow and small space, cooperation through spacing and second spacing groove, can carry out the regulation of height through the mode that rotates second thread bush drive second support column removal, spacing through second spacing groove and spacing can make the second support column only remove in vertical direction, can not take place horizontal rotation, thereby realize height control, narrow and small space also can conveniently be operated, the structure is fairly simple, and practical value is possessed.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of the fixing device of the present invention;
FIG. 3 is a schematic side view of the fixing device of the present invention;
fig. 4 is a schematic cross-sectional view of fig. 3 a according to the present invention;
fig. 5 is a schematic three-dimensional structure diagram of the supporting device of the present invention.
In the figure: 1-fixing device, 2-supporting device, 3-bottom plate, 4-detaching plate, 5-fixing bolt, 6-first supporting column, 7-first limiting groove, 8-first thread surface, 9-detaching sleeve, 901-steel wire rope, 10-first thread sleeve, 1001-force arm steel pipe, 11-limiting strip, 12-second thread sleeve, 13-second supporting column, 14-second thread surface, 15-second limiting groove, 16-supporting plate and 17-supporting rod.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-5, an umbrella-shaped point column type temporary support for a coal mine tunnel comprises a fixing device 1 and a supporting device 2; the fixing device comprises a bottom plate 3, fixing holes are formed in four corners of the bottom plate 3, a dismounting plate 4 is arranged on the upper surface of the bottom plate 3 corresponding to the fixing holes, fixing bolts 5 are inserted into the fixing holes of the dismounting plate 4 and the bottom plate 3, a first supporting column 6 is fixedly installed in the center of the bottom plate 3, and a first limiting groove 7 is formed in the outer surface of the first supporting column 6;
a first threaded surface 8 is formed in the outer surface of the first support column 6 close to the top end of the first limiting groove 7, a dismounting sleeve 9 is sleeved on the outer surface of the first support column 6, a steel wire rope 901 is fixedly connected to the bottom end of the dismounting sleeve 9, a first threaded sleeve 10 is rotatably clamped at the top end of the dismounting sleeve 9, the first threaded sleeve 10 and the first threaded surface 8 are mutually matched, a limiting strip 11 is arranged on the inner wall of the first support column 6, a second threaded sleeve 12 is rotatably clamped at the top end of the first support column 6, and the second threaded sleeve 12 is connected with the support device 2 through threads;
the supporting device 2 comprises a second supporting column 13, a second thread surface 14 is formed on the outer surface of the second supporting column 13, a second limiting groove 15 is formed on the outer surface of the second supporting column 13, a supporting plate 16 is rotatably mounted at one end, far away from the fixing device 1, of the top end of the second supporting column 13, and a supporting rod 17 is rotatably mounted at the top end, located on the second thread surface 14, of the second supporting column 13.
As an optimal technical solution of the utility model: the inner side of the dismounting sleeve 9 is provided with a sliding block matched with the first limit groove 7.
As an optimal technical solution of the utility model: one end of the steel wire rope 901 far away from the dismounting sleeve 9 is fixedly connected with a hook.
As an optimal technical solution of the utility model: the handle of the first thread bush 10 is sleeved with a force arm steel pipe 1001.
As an optimal technical solution of the utility model: spacing 11 and second spacing groove 15 mutual adaptation, and spacing 11 and second spacing groove 15 mutual sliding connection.
As an optimal technical solution of the utility model: the top end of the detaching plate 4 is fixedly provided with a hanging ring.
As an optimal technical solution of the utility model: the bottom plate 3 is made of common cast iron.
The working process of the utility model is as follows: this an umbrella-type point post formula temporary support for coal mine tunnel will be used for this an umbrella-type point post formula temporary support of coal mine tunnel to fix subaerially through gim peg 5 during the use, it reciprocates to carry out altitude mixture control to drive second support column 13 through rotating second thread bush 12, it can protect the support to use branch 17 to prop up backup pad 16, hang wire rope 901 on dismantlement board 4 when needing to dismantle, it removes to rotate first thread bush 10 and drive dismantlement sleeve 9, thereby it dismantles gim peg 5 to drive dismantlement board 4 to remove.
In summary, the following steps: according to the umbrella-shaped point column type temporary support for the coal mine tunnel, the problem that the umbrella-shaped point column type temporary support of the existing coal mine tunnel is directly fixed to the ground through an iron pin due to the arrangement of the dismounting plate 4, the dismounting sleeve 9 and the first threaded sleeve 10, the dismounting is troublesome and laborious after the construction is finished, and the dismounting is not easy is effectively avoided, the fixing bolt 5 can be dismounted by hanging the steel wire rope 901 on the dismounting plate 4 through the matching of the first limiting groove 7, the steel wire rope 901 and the first threaded surface 8 and driving the dismounting sleeve 9 to slide in the first limiting sliding groove 7 in a mode of rotating the first threaded sleeve 10, and the operation method is simple and convenient and has practical value; this an umbrella-type point post formula temporary support for coal mine tunnel, through second thread bush 12, the setting of second support column 13 and second flank of screw 14, effectually avoided current umbrella-type point post formula temporary support for coal mine tunnel to carry out altitude mixture control more loaded down with trivial details, the difficult drawback of operation in the narrow and small space, cooperation through spacing 11 and second spacing groove 15, can carry out the regulation of height through rotating the mode that second thread bush 12 drove second support column 13 and remove, spacing through second spacing groove 15 and spacing 11 can make second support column 13 only remove in vertical direction, can not take place transverse rotation, thereby realize altitude mixture control, narrow and small space also can conveniently operate, the structure is fairly simple, and practical value is possessed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an umbrella-type point post formula temporary support for coal mine tunnel which characterized in that: comprises a fixing device (1) and a supporting device (2); the fixing device (1) comprises a bottom plate (3), fixing holes are formed in four corners of the bottom plate (3), a dismounting plate (4) is arranged at the position, corresponding to the fixing holes, of the upper surface of the bottom plate (3), a fixing bolt (5) is inserted into the fixing holes of the dismounting plate (4) and the bottom plate (3), a first supporting column (6) is fixedly installed in the center of the bottom plate (3), and a first limiting groove (7) is formed in the outer surface of the first supporting column (6);
a first threaded surface (8) is formed in the position, close to the top end of a first limiting groove (7), of the outer surface of the first supporting column (6), a dismounting sleeve (9) is sleeved on the outer surface of the first supporting column (6), a steel wire rope (901) is fixedly connected to the bottom end of the dismounting sleeve (9), a first threaded sleeve (10) is rotatably clamped at the top end of the dismounting sleeve (9), the first threaded sleeve (10) and the first threaded surface (8) are matched with each other, a limiting strip (11) is arranged on the inner wall of the first supporting column (6), a second threaded sleeve (12) is rotatably clamped at the top end of the first supporting column (6), and the second threaded sleeve (12) is connected with a supporting device (2) through threads;
support arrangement (2) include second support column (13), second thread face (14) have been seted up to the surface of second support column (13), just second spacing groove (15) have been seted up to the surface of second support column (13), fixing device (1) is kept away from on the top of second support column (13) one end is rotated and is installed backup pad (16), just branch (17) are installed in the rotation of top department that second support column (13) are located second thread face (14).
2. The umbrella-shaped point column type temporary support for the coal mine roadway is characterized in that: the inner side of the dismounting sleeve (9) is provided with a sliding block matched with the first limiting groove (7).
3. The umbrella-shaped point column type temporary support for the coal mine roadway is characterized in that: one end, far away from the disassembling sleeve (9), of the steel wire rope (901) is fixedly connected with a hook.
4. The umbrella-shaped point column type temporary support for the coal mine roadway is characterized in that: the handle of the first thread bush (10) is sleeved with a force arm steel pipe (1001).
5. The umbrella-shaped point column type temporary support for the coal mine roadway is characterized in that: spacing strip (11) and second spacing groove (15) mutual adaptation, just spacing strip (11) and second spacing groove (15) mutual sliding connection.
6. The umbrella-shaped point column type temporary support for the coal mine roadway is characterized in that: the top end of the dismounting plate (4) is fixedly provided with a hanging ring.
7. The umbrella-shaped point column type temporary support for the coal mine roadway is characterized in that: the bottom plate (3) is made of common cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021825681.2U CN213597992U (en) | 2020-08-27 | 2020-08-27 | Umbrella-shaped point column type temporary support for coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021825681.2U CN213597992U (en) | 2020-08-27 | 2020-08-27 | Umbrella-shaped point column type temporary support for coal mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213597992U true CN213597992U (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021825681.2U Active CN213597992U (en) | 2020-08-27 | 2020-08-27 | Umbrella-shaped point column type temporary support for coal mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213597992U (en) |
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2020
- 2020-08-27 CN CN202021825681.2U patent/CN213597992U/en active Active
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