CN211623465U - End support with front telescopic beam - Google Patents
End support with front telescopic beam Download PDFInfo
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- CN211623465U CN211623465U CN202020021916.6U CN202020021916U CN211623465U CN 211623465 U CN211623465 U CN 211623465U CN 202020021916 U CN202020021916 U CN 202020021916U CN 211623465 U CN211623465 U CN 211623465U
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- end support
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Abstract
The utility model discloses an end support of flexible roof beam before area, including the end support base that the level was arranged, end support base upper portion is equipped with the end support back timber that the level set up, be equipped with vertical stand between end support back timber and the end support base, end support back timber right part is equipped with the end support screen beam that the downward sloping was arranged, end support screen beam right-hand member is equipped with the vertical rear portion waste rock blocking device who arranges, be equipped with the hydraulic means who supports end support back timber and end support screen beam between end support back timber and the end support screen beam, end support screen beam bottom is equipped with last connecting rod and the lower connecting rod that supports end support screen beam, the relative position is equipped with the waste rock blocking device support that supports rear portion waste rock blocking device and use down on the connecting rod, end support back timber left surface is equipped with the recess right, be equipped with flexible roof beam and flexible jack before the end support in the recess. The utility model has the advantages that: not only can increase the supporting area, but also is convenient to transport.
Description
Technical Field
The utility model belongs to the technical field of hydraulic support, concretely relates to end support of flexible roof beam before area.
Background
The hydraulic support is a very important coal mining device, effectively supports the ground and the top plate, isolates a goaf and maintains a safe operation space, is matched with a coal mining machine for use, realizes automation and mechanization of coal mining, is one of the hydraulic supports, is positioned at the end position in a mine and plays a very important supporting role, but the existing end supports often have some problems in use.
The back timber length of current end support is shorter, it is relatively less to the support area of top surface, end support is located the mine end, there is the certain distance often apart from nearest other hydraulic support, this section distance does not support very dangerous, if the end support back timber is lengthened alone, can lead to end support's volume too big, there are many inconveniences in the transportation installation, and the focus leans on before, lead to the focus unstable in the transportation, the potential safety hazard easily appears, therefore, people are looking for the method of solution always.
Disclosure of Invention
The utility model provides an end support of flexible roof beam before area can not only increase the support area, convenient transportation moreover.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an end support with a front telescopic beam comprises an end support base which is horizontally arranged, the bottom surface of the end support base is contacted with the ground, the upper part of the end support base is provided with a horizontally arranged end support top beam, a vertical upright column is arranged between the end support top beam and the end support base, the top of the upright column is connected with the bottom of the end support top beam, the bottom of the upright column is connected with the top of the end support base, the right part of the end support top beam is provided with an end support shield beam which is obliquely arranged downwards, the right end of the end support shield beam is provided with a rear waste rock blocking device which is vertically arranged, a hydraulic device for supporting the end support top beam and the end support shield beam is arranged between the end support top beam and the end support shield beam, the bottom of the end support shield beam is provided with an upper connecting rod and a lower connecting rod for supporting the end support shield beam, the top, the upper connecting rod and the lower connecting rod are rotatably connected with the top of the end support base, a waste rock blocking device support for supporting a rear waste rock blocking device is arranged at the relative position on the lower connecting rod, a groove is arranged on the left side surface of the top beam of the end support rightwards, a front telescopic beam and a telescopic jack of the end support are arranged in the groove, the shape and the size of the front telescopic beam of the end support are matched with those of the groove, and the front telescopic beam of the end support moves relative to the top beam of the end support through the telescopic jack.
Furthermore, the center of gravity of the device is positioned on the end bracket base.
Furthermore, the right end of the top beam of the end bracket is rotatably connected with the left end of the shield beam of the end bracket.
Furthermore, the horizontal distance from the left end of the top beam of the end bracket to the rear gangue blocking device is greater than that of the base of the end bracket.
Furthermore, a plurality of end support side waste rock blocking devices are arranged downwards on the bottom surface of the end support top beam, the end support side waste rock blocking devices are flat plates which are vertically arranged, the left end of each end support side waste rock blocking device is flush with the left end of the end support top beam, and the right end of each end support side waste rock blocking device is flush with the right end of the end support top beam.
Further, end support base middle part is equipped with the accent frame jack that vertical front-back arranged just was used for adjusting end support base position, and accent frame jack is located inside the end support base, and accent frame jack front side and end support base leading flank parallel and level, accent frame jack rear side and end support base trailing flank parallel and level.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, including the end support base that the level was arranged, end support base upper portion is equipped with the end support back timber that the level set up, be equipped with vertical stand between end support back timber and the end support base, end support back timber right part is equipped with the end support screen beam that the downward sloping was arranged, end support screen beam right-hand member is equipped with the vertical rear portion waste rock blocking device who arranges, be equipped with the hydraulic means who supports end support back timber and end support screen beam between end support back timber and the end support screen beam, end support screen beam bottom is equipped with last connecting rod and the lower connecting rod that supports end support screen beam, the last counterpoint of lower connecting rod is equipped with the waste rock blocking device support that supports rear portion waste rock blocking device and use, end support back timber left surface is equipped with the recess right, be equipped with flexible roof beam and flexible jack before the end support in the recess, and a great benefit: through setting up rear portion waste rock blocking device, let the device also can play the reinforcing action to the waste rock of lateral wall, prevent that the waste rock from rolling off, through setting up flexible jack and the preceding flexible roof beam of end support, let the whole length of end support back timber grow, the support area has been increaseed, it is more firm to let the mine, flexible roof beam can get into the inside of end support back timber through flexible jack shrink before the end support simultaneously, can reduce the volume in the transportation, convenient transportation and installation, through setting up the accent frame jack, the cylinder body of accent frame jack stretches out forward, the contact of accent frame jack cylinder bottom and mine lateral wall, further produce thrust to the end support base, the distance between end support base and the mine lateral wall can be adjusted to the accent frame jack, and, if the skew appears in end support base position, can rectify through the accent frame jack.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the front telescopic beam of the end bracket of the present invention when it is extended;
fig. 3 is the structure schematic diagram of the front telescopic beam of the end bracket of the utility model when contracting.
In the figure: 1. the device comprises an end support, a front telescopic beam, 2 end support top beams, 3 end support shield beams, 4 upper connecting rods, 5 rear waste rock blocking devices, 6 lower connecting rods, 7 end support side waste rock blocking devices, 8 end support bases, 9 stand columns, 10 telescopic jacks, 11 waste rock blocking device supports and 12 support adjusting jacks.
Detailed Description
Example (b): as shown in fig. 1, 2 and 3, the device comprises an end support base 8 which is horizontally arranged, the bottom surface of the end support base 8 is contacted with the ground, the upper part of the end support base 8 is provided with an end support top beam 2 which is horizontally arranged, a vertical upright column 9 is arranged between the end support top beam 2 and the end support base 8, the top of the upright column 9 is connected with the bottom of the end support top beam 2, the bottom of the upright column 9 is connected with the top of the end support base 8, the right part of the end support top beam 2 is provided with an end support shield beam 3 which is obliquely arranged downwards, the right end of the end support shield beam 3 is provided with a rear waste rock blocking device 5 which is vertically arranged, a hydraulic device for supporting the end support 2 and the end support shield beam 3 is arranged between the end support top beam 2 and the end support shield beam 3, the bottom of the end support shield beam 3 is provided with an upper connecting, go up connecting rod 4 and 6 tops of lower connecting rod and end support shield beam 3 bottom surfaces and rotate and be connected, go up connecting rod 4 and 6 bottoms of lower connecting rod and end support base 8 tops and rotate and be connected, the relative position is equipped with the waste rock blocking device support 11 that supports rear portion waste rock blocking device 5 and use on the lower connecting rod 6, 2 left sides of end support back timber are equipped with the recess towards the right side, flexible roof beam 1 and flexible jack 10 before being equipped with the end support in the recess, the shape of flexible roof beam 1 before the end support, the size and the shape of recess, size looks adaptation, flexible roof beam 1 moves for end support back timber 2 through flexible jack 10 before the end support.
The focus of device is located end support base 8, 2 right-hand members of end support back timber rotate with 3 left ends of end support shield beam to be connected, 2 left ends of end support back timber are greater than the horizontal distance of end support base 8 to the horizontal distance of rear portion fender waste rock device 5, 2 bottom surfaces of end support back timber are equipped with a plurality of end support side fender waste rock devices 7 downwards, end support side fender waste rock device 7 is the flat board of vertical arrangement, 7 left ends of end support side fender waste rock device and 2 left end parallel and level of end support back timber, 7 right-hand members of end support side fender waste rock device and 2 right-hand members parallel and level of end support back timber.
The working process is as follows: the end support is placed at a position needing to be supported in a mine, the top surface of a top beam 2 of the end support is contacted with the top surface of the mine, the bottom surface of a base 8 of the end support is contacted with the ground, the mine is supported by the support at the moment, a gangue blocking device 5 at the rear part is contacted with the side wall of the mine, at the moment, a telescopic jack 10 is controlled to extend out, the telescopic jack 10 drives a front telescopic beam 1 of the end support to extend out, the top surface of the front telescopic beam 1 of the end support is contacted with the top surface of the mine, the support area is increased, the mine is firmer, at the moment, a support adjusting jack 12 is adjusted, a cylinder body of the support adjusting jack 12 extends forwards, the bottom of the support adjusting jack cylinder 12 is contacted with the side wall of the mine, further thrust is generated to the base 8 of the end support, and the distance.
Claims (6)
1. The utility model provides an end support of flexible roof beam before area which characterized in that: the device comprises an end support base (8) which is horizontally arranged, the bottom surface of the end support base (8) is in contact with the ground, an end support top beam (2) which is horizontally arranged is arranged on the upper portion of the end support base (8), a vertical upright post (9) is arranged between the end support top beam (2) and the end support base (8), the top of the upright post (9) is connected with the bottom of the end support top beam (2), the bottom of the upright post (9) is connected with the top of the end support base (8), an end support shield beam (3) which is obliquely arranged downwards is arranged on the right portion of the end support top beam (2), a rear waste rock blocking device (5) which is vertically arranged is arranged on the right end of the end support shield beam (3), a hydraulic device which supports the end support top beam (2) and the end support shield beam (3) is arranged between the end support top beam (2) and the end support shield beam (3), an upper connecting rod (4) and a lower connecting rod (6) which support the end support ) The upper connecting rod (4) and the lower connecting rod (6) are rotatably connected with the bottom surface of the shield beam (3) of the end support, the bottom of the upper connecting rod (4) and the bottom of the lower connecting rod (6) are rotatably connected with the top of the base (8) of the end support, a gangue blocking device support (11) for supporting a rear gangue blocking device (5) is arranged on the lower connecting rod (6) in a relative position, a groove is formed in the left side surface of the top beam (2) of the end support to the right, a front telescopic beam (1) and a telescopic jack (10) of the end support are arranged in the groove, the shape, size and the shape of the groove are matched with each other in size, and the front telescopic beam (1) of the end support moves relative to the top beam (2) of the end support through the telescopic jack (10.
2. The head support with the front telescopic beam as claimed in claim 1, wherein: the center of gravity of the device is positioned on the end bracket base (8).
3. The head support with the front telescopic beam as claimed in claim 1, wherein: the right end of the end bracket top beam (2) is rotationally connected with the left end of the end bracket shield beam (3).
4. The head support with the front telescopic beam as claimed in claim 1, wherein: the horizontal distance from the left end of the top beam (2) of the end bracket to the rear gangue blocking device (5) is greater than that of the base (8) of the end bracket.
5. The head support with the front telescopic beam as claimed in claim 1, wherein: a plurality of end support side waste rock blocking devices (7) are arranged downwards on the bottom surface of the end support top beam (2), the end support side waste rock blocking devices (7) are flat plates which are vertically arranged, the left end of each end support side waste rock blocking device (7) is flush with the left end of the end support top beam (2), and the right end of each end support side waste rock blocking device (7) is flush with the right end of the end support top beam (2).
6. The head support with the front telescopic beam as claimed in claim 1, wherein: end support base (8) middle part is equipped with and vertically arranges front and back and is used for adjusting accent frame jack (12) of end support base (8) position, and accent frame jack (12) are located inside end support base (8), and accent frame jack (12) front side and end support base (8) leading flank parallel and level, accent frame jack (12) rear side and end support base (8) trailing flank parallel and level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021916.6U CN211623465U (en) | 2020-01-07 | 2020-01-07 | End support with front telescopic beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020021916.6U CN211623465U (en) | 2020-01-07 | 2020-01-07 | End support with front telescopic beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211623465U true CN211623465U (en) | 2020-10-02 |
Family
ID=72636076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020021916.6U Active CN211623465U (en) | 2020-01-07 | 2020-01-07 | End support with front telescopic beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211623465U (en) |
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2020
- 2020-01-07 CN CN202020021916.6U patent/CN211623465U/en active Active
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