CN220248128U - Supporting mechanism based on tunnel construction - Google Patents
Supporting mechanism based on tunnel construction Download PDFInfo
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- CN220248128U CN220248128U CN202321565399.9U CN202321565399U CN220248128U CN 220248128 U CN220248128 U CN 220248128U CN 202321565399 U CN202321565399 U CN 202321565399U CN 220248128 U CN220248128 U CN 220248128U
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- lifting plate
- fixed
- hollow frame
- frame body
- seat
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
A supporting mechanism based on tunnel construction comprises a supporting base, an adjustable supporting mechanism and a movable positioning mechanism; the adjustable supporting mechanism comprises a hollow frame body, the lower end of the hollow frame body is fixed on the supporting base, the upper end of the hollow frame body is provided with a lifting plate in a sliding manner, and an external pin rod penetrates through a fixed-height pin hole on the hollow frame body and the lifting plate to realize height positioning; the top end of the lifting plate is fixedly provided with a bearing seat, and the connecting seat is arranged on the bearing seat in a sliding manner and can be detachably locked; a tunnel support is fixed at the upper end of the connecting seat; the movable positioning mechanism comprises a welding seat, a threaded rod is connected to the welding seat in a threaded manner, the lower end of the threaded rod is rotatably connected with a lifting plate, a universal wheel is mounted at the bottom of the lifting plate, a sliding rod is fixed at the top of the lifting plate, and the upper part of the sliding rod is in sliding fit with a through hole of the welding seat. The supporting mechanism based on tunnel construction is suitable for tunnels with different heights.
Description
Technical Field
The utility model relates to the field of tunnel construction, in particular to a supporting mechanism based on tunnel construction.
Background
Tunnels are engineering structures buried in an underground formation, a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and the tunnel is required to be supported for construction because of the specificity of the tunnel during construction, so that the safety in the construction process is ensured, and the safety is ensured.
The Chinese patent discloses a support frame for tunnel construction, the publication number is CN 216811724U, and the technical scheme disclosed in the patent document is as follows: the sliding assembly comprises a supporting frame body, a sliding rail, a sliding assembly, a first driving device and a second driving device, wherein the supporting frame body is in sliding connection with the sliding assembly, a pulley is arranged in the sliding assembly and is in sliding connection with the sliding rail, and the first driving device and the second driving device are both arranged on the sliding assembly.
In order to solve the problem that the existing device needs to rely on manpower to carry and align and support, the prior art adopts a mode of arranging structural cooperation such as a sliding rail and a first driving device to process, but the condition that the height of a top support cannot be adjusted still can appear, the height of tunnel construction is different, the patent can well support the side face of a tunnel, but the effective support treatment cannot be carried out on the tops of tunnels with different heights, and the improvement is to be carried out.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a tunnel construction supporting mechanism, which can be used for adjusting the height and supporting the top surfaces of tunnels with different heights.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a supporting mechanism based on tunnel construction comprises a supporting base, an adjustable supporting mechanism and a movable positioning mechanism;
the adjustable supporting mechanism comprises a hollow frame body, the lower end of the hollow frame body is fixed on the supporting base, the upper end of the hollow frame body is provided with a lifting plate in a sliding manner, and an external pin rod penetrates through a fixed-height pin hole on the hollow frame body and the lifting plate to realize height positioning; the top end of the lifting plate is fixedly provided with a bearing seat, and the connecting seat is arranged on the bearing seat in a sliding manner and can be detachably locked; a tunnel support is fixed at the upper end of the connecting seat;
the movable positioning mechanism comprises a welding seat, a threaded rod is connected to the welding seat in a threaded manner, the lower end of the threaded rod is rotatably connected with a lifting plate, a universal wheel is mounted at the bottom of the lifting plate, a sliding rod is fixed at the top of the lifting plate, and the upper portion of the sliding rod is in sliding fit with a through hole of the welding seat.
The tunnel supports comprise lifting columns welded at the tops of the connecting seats, arc-shaped support plates are fixed at the tops of the lifting columns, and reinforcing connecting rods are fixed between adjacent arc-shaped support plates.
And a plurality of groups of supporting blocks are welded on the outer side of the bottom end of the hollow frame body, and the supporting blocks are fixed on the supporting base.
The bottom of the supporting base is fixedly provided with a plurality of groups of cross plug-ins, the left and right outer sides of the supporting base are provided with through holes, and the extending plug-in posts penetrate through the through holes and are connected with the cross plug-in rods.
The utility model discloses a supporting mechanism based on tunnel construction, which has the following technical effects:
1) The lifting plate and the hollow frame body are adopted to slide and lock, so that the height can be adjusted, namely the supporting height of the arc-shaped supporting plate is adjusted, and the lifting plate is suitable for tunnels with different heights.
2) The cross plug-in is inserted into the ground, so that the friction between the bottom of the support base and the ground is increased, and the stability of the device is improved; through setting up extension spliced pole and cross plug pole, both can pass the through-hole of supporting base and peg graft to ground, further increase the stability of this device.
3) Through setting up liftable universal wheel, can realize accomodating the function of protection to the universal wheel, avoid the universal wheel to be pressed the damage easily in the in-process of using.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural diagram of a height adjusting unit according to the present utility model.
Fig. 3 is a schematic structural view of a steady supporting unit according to the present utility model.
Fig. 4 is a schematic structural diagram of the fixing and positioning unit in the present utility model.
Fig. 5 is a schematic structural diagram of a portable mobile unit according to the present utility model.
In the figure: the support base 1, the adjustable support mechanism 2, the hollow frame 21, the support block 22, the lifting plate 23, the height fixing pin hole 24, the bearing seat 25, the connecting seat 26, the lifting column 27, the arc-shaped support plate 28, the reinforcing connecting rod 29, the movable positioning mechanism 3, the cross insert 31, the through hole 32, the extending inserting column 33, the cross inserting rod 34, the welding seat 35, the threaded rod 351, the lifting plate 352, the universal wheel 353 and the sliding rod 354.
Detailed Description
As shown in FIG. 1, the supporting mechanism based on tunnel construction comprises a supporting base 1, wherein an adjustable supporting mechanism 2 is arranged at the top of the supporting base 1, and a movable positioning mechanism 3 is arranged at the outer side and the bottom of the periphery of the supporting base 1.
The adjustable support mechanism 2 includes a height adjustment unit and a steady support unit.
As shown in fig. 2, the height adjusting unit comprises a hollow frame 21 fixedly mounted on the top of the support base 1, a supporting block 22 is welded on the outer wall of the hollow frame 21, the supporting block 22 is fixedly mounted on the top of the support base 1, a lifting plate 23 is detachably connected on the inner wall of the hollow frame 21, and height fixing pin holes 24 are formed in the front faces of the hollow frame 21 and the lifting plate 23.
If the height adjustment unit needs to be adjusted, the lifting plate 23 is vertically slid in the hollow frame 21 to adjust the height thereof, and the height fixing pin holes 24 on the hollow frame 21 and the lifting plate 23 are overlapped in front, and then the height of the arc-shaped support plate 28 is positioned through the height fixing pin holes 24 on the hollow frame 21 and the lifting plate 23 by the external pin rod, so that the height adjustment work is completed.
As shown in fig. 3, the stable supporting unit includes a receiving seat 25, the receiving seat 25 is fixedly installed at the top of the lifting plate 23, a connecting seat 26 is horizontally slid on the receiving seat 25, and the connecting seat 26 is locked by bolts on the left and right outer sides of the receiving seat 25. The top welding of connecting seat 26 has lifts post 27, and the top fixed mounting who lifts post 27 has arc backup pad 28, is connected with the reinforcement connecting rod 29 between two adjacent arc backup pads 28 fixedly.
Through the detachable structure of the bearing seat 25 and the connecting seat 26, the user can conveniently detach and repair the whole lifting column 27.
The top of the tunnel can be firmly supported by the cooperation of the elevation posts 27, the arc-shaped support plates 28 and the reinforcement connection rods 29.
The movable positioning mechanism 3 comprises a stable positioning unit and a convenient movable unit.
As shown in fig. 4, the stable positioning unit comprises a cross insert 31 and an extending plug-in post 33, wherein the cross insert 31 is fixedly connected to the bottom of the support base 1. The left and right sides of the support base 1 are provided with through holes 32, the extending plug-in posts 33 are inserted into the through holes 32 and partially extend out, and the bottoms of the extending plug-in posts 33 are fixedly connected with cross plug-in rods 34.
The cross insert 31 can be inserted into the ground, so that the friction between the bottom of the support base 1 and the ground is increased, and the stability of the structure is improved. The extending plug-in posts 33 and the cross plug-in rods 34 can pass through the inner cavity of the through hole 32 and are plugged into the ground, so that the stability of the structure is further improved.
As shown in fig. 5, the portable mobile unit includes a welding seat 35, the welding seat 35 is welded at the top of the supporting base 1, a threaded rod 351 is screwed on the inner wall of the welding seat 35, the threaded end of the threaded rod 351 extends to the bottom of the welding seat 35 and is rotationally connected with a lifting plate 352, a universal wheel 353 is fixedly installed at the bottom of the lifting plate 352, a sliding rod 354 is fixedly installed at the top of the lifting plate 352, and the outer wall of the sliding rod 354 is in sliding connection with a through hole of the welding seat 35.
The threaded rod 351 is manually rotated, the lifting plate 35 moves upwards, the universal wheel 353 at the bottom end of the lifting plate 35 moves upwards, storage processing is realized, and the safety of the universal wheel 353 can be ensured.
Working principle and process: when in use, the device is pushed to move to a designated position, then the threaded rod 351 is manually rotated, the universal wheel 353 is driven to move upwards to store the device, and then the extending plug-in column 33 and the cross-shaped plug-in rod 34 penetrate through the inner cavity of the through hole 32 and are plugged into the ground, so that the structure is positioned. The height of the lifting plate 23 can be adjusted by vertically sliding in the hollow frame 21, and the height of the arc-shaped supporting plate 28 can be positioned through the height fixing pin holes 24 on the hollow frame 21 and the lifting plate 23 by externally connecting a pin rod, so that the supporting function can be realized.
Claims (4)
1. Based on tunnel construction supporting mechanism, its characterized in that: comprises a supporting base (1), an adjustable supporting mechanism (2) and a movable positioning mechanism (3);
the adjustable supporting mechanism (2) comprises a hollow frame body (21), the lower end of the hollow frame body (21) is fixed on the supporting base (1), the upper end of the hollow frame body is provided with a lifting plate I (23) in a sliding manner, and an external pin rod penetrates through the hollow frame body (21) and a fixed-height pin hole (24) in the lifting plate I (23) to realize height positioning; a bearing seat (25) is fixed at the top end of the lifting plate I (23), and a connecting seat (26) is slidably arranged on the bearing seat (25) and can be detachably locked; the upper end of the connecting seat (26) is fixedly provided with a tunnel support;
the movable positioning mechanism (3) comprises a welding seat (35), a threaded rod (351) is connected to the welding seat (35) in a threaded mode, the lower end of the threaded rod (351) is rotatably connected with a lifting plate II (352), a universal wheel (353) is mounted at the bottom of the lifting plate II (352), a sliding rod (354) is fixed to the top of the lifting plate II (352), and the upper portion of the sliding rod (354) is in sliding fit with a through hole of the welding seat (35).
2. The tunnel construction supporting mechanism according to claim 1, wherein: the tunnel support comprises lifting columns (27) welded at the tops of the connecting seats (26), arc-shaped support plates (28) are fixed at the tops of the lifting columns (27), and reinforcing connecting rods (29) are fixed between adjacent arc-shaped support plates (28).
3. The tunnel construction supporting mechanism according to claim 1, wherein: a plurality of groups of supporting blocks (22) are welded on the outer side of the bottom end of the hollow frame body (21), and the supporting blocks (22) are fixed on the supporting base (1).
4. The tunnel construction supporting mechanism according to claim 1, wherein: the bottom of the supporting base (1) is fixedly provided with a plurality of groups of cross plug-ins (31), the left and right outer sides of the supporting base (1) are provided with through holes (32), and the extending plug-in columns (33) penetrate through the through holes (32) and are connected with the cross plug-in rods (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565399.9U CN220248128U (en) | 2023-06-19 | 2023-06-19 | Supporting mechanism based on tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565399.9U CN220248128U (en) | 2023-06-19 | 2023-06-19 | Supporting mechanism based on tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248128U true CN220248128U (en) | 2023-12-26 |
Family
ID=89229172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321565399.9U Active CN220248128U (en) | 2023-06-19 | 2023-06-19 | Supporting mechanism based on tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248128U (en) |
-
2023
- 2023-06-19 CN CN202321565399.9U patent/CN220248128U/en active Active
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