CN207245741U - Tunnel low-angle lift canopy - Google Patents
Tunnel low-angle lift canopy Download PDFInfo
- Publication number
- CN207245741U CN207245741U CN201721004002.3U CN201721004002U CN207245741U CN 207245741 U CN207245741 U CN 207245741U CN 201721004002 U CN201721004002 U CN 201721004002U CN 207245741 U CN207245741 U CN 207245741U
- Authority
- CN
- China
- Prior art keywords
- curb girder
- tunnel
- angle
- onstructed
- canopy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses tunnel low-angle to lift canopy, rack body including being located at anchor cable system bottom, the rack body is included to support the top beam at the top of tunnel, sidepiece of the top beam in smooth tunnel is equipped with the first horizontal curb girder, wherein, top beam is being equipped with second curb girder at an acute angle with surface water horizontal line close to the side in tunnel to be onstructed, and the first curb girder is directly provided with the slotting beam vertical with the first curb girder with the second curb girder, and the bottom of the top beam is equipped with the supporting part for bearing top pressure；Using the technical program, soldering angle is suitably adjusted according to door angle is dialled in the curb girder close to access adit to be onstructed, lift canopy length is reduced compared with limits, improve the usage safety performance of lift canopy, and the utilization rate of section at three-switch door is improved, tunnel working space is added, improves work efficiency.
Description
Technical field
The utility model belongs to colliery field, more specifically, the utility model is related to tunnel low-angle lift canopy.
Background technology
During coal mining, when hacking shed tunnel low-angle helps lift canopy, often because two tunnel angles are smaller, it is difficult to really
Drift section is protected, is unfavorable for follow-up work and carries out, to ensure enough drift sections, causes lift capplce longer, not only constructs
Difficulty is big, and later stage lift canopy is yielding, and there are larger security risk, is unfavorable for keeping the safety in production.
Utility model content
Technical problem to be solved in the utility model, which is to provide, ensures enough drift sections, tunnel low-angle lift canopy.
To achieve these goals, the technical solution that the utility model is taken is：Tunnel low-angle lift canopy, including it is located at anchor
The rack body of cable system bottom, the rack body are included to support the top beam at the top of tunnel, and the top beam is in smooth lane
The sidepiece in road is equipped with the first horizontal curb girder, and horizontal gird is fixed in tunnel side wall, wherein, top beam is close to tunnel to be onstructed
Side be equipped with second curb girder at an acute angle with surface water horizontal line, second curb girder along roadway direction to be onstructed and with it is to be onstructed
It is close to set at the top of access adit, first curb girder is directly provided with the slotting beam vertical with the first curb girder, the top with the second curb girder
The bottom of beam is equipped with the supporting part for bearing top pressure.
Tunnel low-angle disclosed in the utility model lifts canopy, second curb girder according to the driving angle in tunnel to be onstructed with
The setting at an acute angle of surface water horizontal line, the slotting beam form corresponding soldering angle according to the angle of inclination of the second curb girder.
Tunnel low-angle disclosed in the utility model lifts canopy, and the supporting part includes column, the top beam by column and
Tunnel bottom is connected, and the position that the first curb girder is connected with slotting beam is equipped with fixed part, and the top in column is connected with fixed part.
Tunnel low-angle disclosed in the utility model lifts canopy, and the fixed part includes gasket, and the gasket is fixed in first
The bottom of curb girder and slotting beam connected position, is connected by fixing bolt respectively between gasket and the first curb girder and slotting beam.
Tunnel low-angle disclosed in the utility model lifts canopy, and the second curb girder end is fixed in the two of tunnel to be onstructed
Side, the second curb girder section be with the setting at an acute angle of surface water horizontal line, the acute angle be 30 °~40 °.
Using the technical program, according to the spacing of diverse location between the first curb girder and the second curb girder, slotting beam length is pressed
Trapezoidal increase, farthest reduces the loss of material, so that stock utilization is improved, close to the curb girder of access adit to be onstructed
Soldering angle is suitably adjusted according to door angle is dialled, compared with the safety in utilization for reducing lift canopy length, improving lift canopy of limits
Can, and the utilization rate of section at three-switch door is improved, tunnel working space is added, early period is provided for follow-up exploitation work
Place mat, improve work efficiency.
Below with reference to drawings and examples, the utility model is described in detail.
Brief description of the drawings
The content expressed by each width attached drawing of this specification and the mark in figure are briefly described below：
Fig. 1 is the schematic diagram that the utility model tunnel low-angle lifts canopy；
Fig. 2 is the sectional view for the curb girder that the utility model tunnel low-angle lifts canopy.
In figure mark for：1st, smooth tunnel；2nd, tunnel to be onstructed；3rd, the first curb girder；4th, the second curb girder；5th, beam is inserted.
Embodiment
Below against attached drawing, by the description of the embodiment, to specific embodiment of the present utility model as involved
Mutual alignment and connection relation, the effect of each several part and operation principle, manufacture between the shape of each component, construction, each several part
Technique and operate with method etc., are described in further detail, to help those skilled in the art to the utility model
Utility model design, technical solution have more complete, accurate and deep understanding.
Fig. 1 is the schematic diagram that the utility model tunnel low-angle lifts canopy, and Fig. 2 is that the utility model tunnel low-angle lifts canopy
The sectional view of curb girder, tunnel low-angle as depicted lifts canopy, including is located at the rack body of anchor cable system bottom, rack body
Including to support the top beam at the top of tunnel, sidepiece of the top beam in smooth tunnel 1 is equipped with the first horizontal curb girder 3, horizontal gird
Tunnel side wall is fixed in, wherein, top beam is being equipped with second at an acute angle with surface water horizontal line close to the side in tunnel to be onstructed
Curb girder 4, the second curb girder 4 is along roadway direction to be onstructed and with being close to set at the top of access adit to be onstructed, the first curb girder 3 and the second side
Beam 4 is directly provided with the slotting beam 5 vertical with the first curb girder 3, and the bottom of top beam is equipped with the supporting part for bearing top pressure, the second curb girder
The 3 driving angle and the setting at an acute angle of surface water horizontal line according to tunnel 2 to be onstructed, inserts angle of inclination of the beam 5 according to the second curb girder 3
Corresponding soldering angle is formed, supporting part includes column, and top beam is connected by column with tunnel bottom, and the first curb girder 3 is with inserting
The position that beam is connected is equipped with fixed part, and the top in column is connected with fixed part, and fixed part includes gasket, and gasket is fixed in first
The bottom of 5 connected position of curb girder 3 and slotting beam, is connected by fixing bolt respectively between gasket and the first curb girder 3 and slotting beam 5, the
Two curb girders, 4 end is fixed in the both sides in tunnel 2 to be onstructed, 4 section of the second curb girder be with the setting at an acute angle of surface water horizontal line, it is described
Acute angle is 30 °~40 °；Second curb girder 4 is according to the driving angle in tunnel 2 to be onstructed, accordingly along the second curb girder of axis trimming 4
In level angle, then the column that 4 frame of the second curb girder has been buried in tunnel, the second curb girder 4 is fastened by bolt, then will
Beam 5 is inserted to be fixed by welding between the first curb girder 3 and the second curb girder 4.
Hacking shed tunnel low-angle disclosed in the utility model lifts canopy method, includes the following steps：
1) netted anchor cable is first laid on to side wall and the top in tunnel, then is passed through with by the gasket for being uniformly distributed in anchor cable net
Fixing bolt is anchored on tunnel inner wall；
2) dig the needling of 30cm~40cm depth in tunnel bottom, then column be put into needling vertically, by the soil of surrounding and
Column, which is fixed, to be beaten in fact, rivet is knocked in the fixed hole of column bottom；
3) the first curb girder 3 is lifted to by corresponding position at the top of tunnel by hydraulic cylinder, then bottom fastening will have been completed
Column and the first curb girder 3 between mutually fixed by bolt；
5) the second curb girder 4 is postponed the section direction of access adit to be onstructed, 4 both ends of the second curb girder is fixed in drift section
Side wall, the second curb girder 4 is according to the driving angle of access adit 2 to be onstructed along axis rotating avoiding；
6) again by slotting roof beam structure between the first curb girder 3 and the second curb girder 4, the both ends of slotting beam are fixed in first by welding
The beam groove rim surface of 3 and second curb girder 4 of curb girder.
Using the technical program, according to the spacing of diverse location between the first curb girder 3 and the second curb girder 4, by slotting beam length
By trapezoidal increase, the loss of material is farthest reduced, so that stock utilization is improved, close to the side of access adit to be onstructed
Beam suitably adjusts soldering angle according to door angle is dialled, and reduces lift canopy length compared with limits, improves the safe to use of lift canopy
Performance, and the utilization rate of section at three-switch door is improved, tunnel working space is added, before being provided for follow-up exploitation work
The place mat of phase, improves work efficiency.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implement and from
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that the methodology of the utility model and technical solution carry out
Into, or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model
Protection domain within.
Claims (5)
1. tunnel low-angle lifts canopy, it is characterised in that：Rack body including being located at anchor cable system bottom, the rack body bag
Include to support the top beam at the top of tunnel, sidepiece of the top beam in smooth tunnel is equipped with the first horizontal curb girder, horizontal gird
Tunnel side wall is fixed in, wherein, top beam is being equipped with second at an acute angle with surface water horizontal line close to the side in tunnel to be onstructed
Curb girder, second curb girder along roadway direction to be onstructed and with access adit to be onstructed at the top of be close to set, first curb girder with
Second curb girder is directly provided with the slotting beam vertical with the first curb girder, and the bottom of the top beam is equipped with the supporting part for bearing top pressure.
2. tunnel low-angle described in accordance with the claim 1 lifts canopy, it is characterised in that：Second curb girder is according to tunnel to be onstructed
Driving angle and the setting at an acute angle of surface water horizontal line, the slotting beam forms corresponding weldering according to the angle of inclination of the second curb girder
Connect angle.
3. tunnel low-angle described in accordance with the claim 1 lifts canopy, it is characterised in that：The supporting part includes column, the top
Beam is connected by column with tunnel bottom, and the position that the first curb girder is connected with slotting beam is equipped with fixed part, the top in column with it is solid
Determine portion to be connected.
4. tunnel low-angle described in accordance with the claim 3 lifts canopy, it is characterised in that：The fixed part includes gasket, the pad
Piece is fixed in the bottom of the first curb girder and slotting beam connected position, passes through fixing bolt respectively between gasket and the first curb girder and slotting beam
It is connected.
5. tunnel low-angle described in accordance with the claim 1 lifts canopy, it is characterised in that：The second curb girder end, which is fixed in, waits to apply
The both sides in work tunnel, the second curb girder section be with the setting at an acute angle of surface water horizontal line, the acute angle be 30 °~40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004002.3U CN207245741U (en) | 2017-08-11 | 2017-08-11 | Tunnel low-angle lift canopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004002.3U CN207245741U (en) | 2017-08-11 | 2017-08-11 | Tunnel low-angle lift canopy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245741U true CN207245741U (en) | 2018-04-17 |
Family
ID=61879291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721004002.3U Withdrawn - After Issue CN207245741U (en) | 2017-08-11 | 2017-08-11 | Tunnel low-angle lift canopy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489440A (en) * | 2017-08-11 | 2017-12-19 | 淮北矿业（集团）有限责任公司 | Tunnel low-angle lift canopy and hacking shed tunnel low-angle lift canopy method |
-
2017
- 2017-08-11 CN CN201721004002.3U patent/CN207245741U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489440A (en) * | 2017-08-11 | 2017-12-19 | 淮北矿业（集团）有限责任公司 | Tunnel low-angle lift canopy and hacking shed tunnel low-angle lift canopy method |
| CN107489440B (en) * | 2017-08-11 | 2023-08-15 | 淮北矿业股份有限公司 | Small-angle shed lifting method for roadway and small-angle shed lifting method for shed roadway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180417 Effective date of abandoning: 20230815 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180417 Effective date of abandoning: 20230815 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |