CN214787452U - Device for tunnel excavation initial reinforcement support - Google Patents
Device for tunnel excavation initial reinforcement support Download PDFInfo
- Publication number
- CN214787452U CN214787452U CN202121206340.1U CN202121206340U CN214787452U CN 214787452 U CN214787452 U CN 214787452U CN 202121206340 U CN202121206340 U CN 202121206340U CN 214787452 U CN214787452 U CN 214787452U
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- China
- Prior art keywords
- roof
- base
- rack
- support
- mounting seat
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- 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.)
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Abstract
The utility model discloses a device for reinforcing and supporting in the initial stage of tunnel excavation, which comprises a bracket, wherein the bottom of the bracket is placed on the ground, and the upper end of the bracket is provided with a mounting seat; the hydraulic rod is vertically arranged on the surface of the mounting seat; the roof-rack, the level sets up in the mount pad upper end, and roof-rack and mount pad vertical well midline position are provided with the hydraulic stem, and roof-rack bottom fixedly connected with limiting plate, hydraulic stem top are installed inside the limiting plate. This device of usefulness is strutted in tunnel excavation initial stage reinforcement, prop up the back with the roof-rack when the hydraulic stem, clockwise rotation lead screw this moment, the lead screw drives two thread bushings on surface and rotates, two thread bushings can remove to the lead screw center along with rotating to make the thread bushing drive the connecting piece on surface and remove, the connecting piece just can drive the support and remove like this, when the support is parallel with the hydraulic stem, the support just can support the roof-rack edge, final in use roof-rack is whole will be more stable.
Description
Technical Field
The utility model relates to a consolidate supporting technical field, specifically be a device of usefulness is strutted in tunnel excavation initial stage reinforcement.
Background
Tunnels are engineering structures buried in the ground and are 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 structure of the tunnel comprises a main building and an auxiliary device. The main building comprises a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, the long tunnel is also provided with special ventilation and lighting equipment, and the tunnel can be fixed by utilizing a special supporting device at the initial excavation stage.
The device for reinforcing and supporting in the initial stage of tunnel excavation at present has the following defects when in use: the stress part of the support device is mostly arranged at the central position, so that the firmness of two sides of the support device is poor, potential safety hazards are easy to occur in actual use, and the existing equipment needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of tunnel excavation initial stage reinforcement supporting usefulness to solve the most settings of present strutting arrangement's that above-mentioned background art provided atress position and put at the central point, the fastness of the both sides of device will be than poor like this, thereby take place the potential safety hazard easily in the in-service use, consequently need carry out the problem of improving to current equipment.
In order to achieve the above object, the utility model provides a following technical scheme: a device for use in the primary reinforcement and support of tunnel excavation, comprising:
the bottom of the base is placed on the ground, and the upper end of the base is provided with a mounting seat;
the hydraulic rod is vertically arranged on the surface of the mounting seat;
the roof-rack, the level sets up in the mount pad upper end, and roof-rack and mount pad vertical well midline position are provided with the hydraulic stem, and roof-rack bottom fixedly connected with limiting plate, hydraulic stem top are installed inside the limiting plate.
Preferably, the inside of the mounting seat further comprises:
the screw rod is horizontally and movably connected to the transverse midline division position of the mounting seat, and the screw directions of the surfaces of the two ends of the longitudinal midline of the screw rod are opposite;
the outer wall of the bearing is fixedly arranged in the mounting seat, and the inner circle of the bearing is fixedly connected with the screw rod;
and two thread sleeves are symmetrically arranged on the surface of the screw rod, and the two thread sleeves are respectively arranged on different thread turning directions of the screw rod.
Preferably, the threaded sleeve surface also connects:
the two groups of connecting pieces are arranged, each group is provided with two connecting pieces, one connecting piece is respectively arranged on the surfaces of the two thread sleeves, and the bottom of the top frame is provided with the two connecting pieces;
the four rotating shafts are respectively arranged in one connecting piece, and the surface of each rotating shaft is movably sleeved with a bracket;
the support is provided with two, connects a support respectively between two connecting pieces that roof-rack and thread bush correspond, constitutes revolution mechanic between connecting piece, pivot and the support.
Preferably, the bracket is internally provided with:
the outer wall of the rubber column is tangent to the inner wall of the bracket, the surface of the rubber column is connected with a connecting plate, and the size of the connecting plate is larger than that of the opening end of the bracket;
the contraction column is fixedly and vertically arranged on the surface of the connecting plate, and the longitudinal middle parting line of the contraction column and the longitudinal middle parting line of the bracket are positioned at the same position.
Preferably, the base top is further connected to:
the supporting plate is vertically connected to the top of the base, and the size of the supporting plate is larger than that of the base;
the bottom of the spring is fixedly arranged on the surface of the supporting plate, and the spring is movably sleeved on the outer wall of the shrinkage column.
Preferably, the mount surface further mounts:
the mounting bar is fixedly and vertically arranged at the longitudinal midline position of the mounting seat, and the surface of the mounting bar is provided with an inverted T-shaped mounting opening;
the fixture block is movably clamped inside the mounting strip, and the top of the fixture block is fixedly connected with the butt-joint block.
Compared with the prior art, the beneficial effects of the utility model are that:
the device for the tunnel excavation initial stage reinforcing and supporting has the beneficial effects that after the hydraulic rod supports the top frame, the screw rod is rotated clockwise at the moment, the screw rod drives the two thread sleeves on the surface to rotate, the two thread sleeves can move towards the center of the screw rod along with the rotation, so that the thread sleeves drive the connecting piece on the surface to move, the connecting piece can drive the support to move, when the support is parallel to the hydraulic rod, the support can support the edge of the top frame, and finally, the whole top frame can be more stable in use.
The device for the tunnel excavation initial stage reinforcing and supporting has the beneficial effects that when the support is placed on uneven ground, parts on the top of the support can form different pressure values on the surface of the mounting seat, so that the mounting seat can generate different pressures on the shrinkage columns at the bottom, the pressures of the shrinkage columns on the rubber columns are different, the surface of the mounting seat can be kept in a horizontal state along with different shrinkage degrees of the rubber columns, and the device can be stably placed on the uneven ground.
The device for the tunnel excavation initial stage reinforcing and supporting has the beneficial effects that when the hydraulic rod is installed, the butt-joint block and the clamping block at the bottom of the hydraulic rod are aligned with the opening on the installation strip, meanwhile, the top of the hydraulic rod is aligned with the opening of the limiting plate, then, the butt-joint block and the clamping block are moved towards the inside of the installation strip, and after the butt-joint block and the clamping block are completely butted with the installation strip, the hydraulic rod is fixed inside the installation strip, so that the installation mode of the hydraulic rod is very convenient.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the connection structure of the connector of the present invention;
fig. 3 is a schematic view of the bracket connection structure of the present invention.
In the figure: 1. a base; 2. a mounting seat; 3. a hydraulic lever; 4. a top frame; 5. a screw rod; 6. a bearing; 7. a threaded sleeve; 8. a connecting member; 9. a rotating shaft; 10. a support; 11. a rubber column; 12. a connecting plate; 13. a contracting column; 14. a support plate; 15. a spring; 16. mounting a bar; 17. a clamping block; 18. a butt joint block; 19. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An apparatus for supporting the initial reinforcement of a tunnel excavation, as shown in fig. 1 to 3, comprises:
the base 1 is placed on the ground at the bottom, and the upper end of the base 1 is provided with a mounting seat 2;
the hydraulic rod 3 is vertically arranged on the surface of the mounting seat 2;
roof-rack 4, the level setting is in 2 upper ends of mount pad, and roof-rack 4 and 2 vertical well split positions of mount pad are provided with hydraulic stem 3, and 4 bottom fixedly connected with limiting plate 19 on the roof-rack, the hydraulic stem 3 top is installed inside limiting plate 19.
In this example, the mount 2 further includes:
the screw rod 5 is horizontally and movably connected to the transverse midline division position of the mounting seat 2, and the screw directions of the surfaces of two ends of the longitudinal midline division of the screw rod 5 are opposite;
the outer wall of the bearing 6 is fixedly arranged in the mounting seat 2, and the inner circle of the bearing 6 is fixedly connected with the screw rod 5;
two thread sleeves 7 are symmetrically arranged on the surface of the screw rod 5, the two thread sleeves 7 are respectively arranged on different thread turning directions of the screw rod 5, the screw rod 5 is clockwise rotated, the screw rod 5 drives the two thread sleeves 7 on the surface to rotate, and the two thread sleeves 7 can move towards the center of the screw rod 5 along with the rotation, so that the thread sleeves 7 drive the connecting piece 8 on the surface to move;
the surface of the thread bush 7 is also connected with:
two groups of connecting pieces 8 are arranged, two connecting pieces 8 are arranged in each group, one connecting piece 8 is respectively arranged on the surfaces of the two thread sleeves 7, and the two connecting pieces 8 are arranged at the bottom of the top frame 4;
the four rotating shafts 9 are respectively arranged in one connecting piece 8, and the surface of each rotating shaft 9 is movably sleeved with a support 10;
the two bases 1 are arranged, one base 1 is respectively connected between the two connecting pieces 8 corresponding to the top frame 4 and the threaded sleeve 7, a rotating structure is formed among the connecting pieces 8, the rotating shaft 9 and the base 1, the connecting pieces 8 drive the base 1 to move, when the base 1 is parallel to the hydraulic rod 3, the base 1 can support the edge of the top frame 4, and finally the whole top frame 4 is more stable in use;
the outer wall of the rubber column 11 is tangent to the inner wall of the base 1, the surface of the rubber column 11 is connected with a connecting plate 12, and the size of the connecting plate 12 is larger than that of the opening end of the base 1;
the shrinkage column 13 is fixedly and vertically arranged on the surface of the connecting plate 12, and the longitudinal middle parting line of the shrinkage column 13 and the longitudinal middle parting line of the base 1 are positioned at the same position, so that the shrinkage column 13 is limited by the connecting plate 12 when in use, and the shrinkage column 13 cannot be completely separated from the inside of the base 1;
base 1 top still connects:
the supporting plate 14 is vertically connected to the top of the base 1, and the size of the supporting plate 14 is larger than that of the base 1;
the bottom of the spring 15 is fixedly arranged on the surface of the supporting plate 14, and the spring 15 is movably sleeved on the outer wall of the shrinkage column 13, so that the spring 15 can increase the elastic pressure between the shrinkage column 13 and the mounting seat 2 when in use, and the device can be more stable when in use;
the surface of the mounting seat 2 is also provided with:
the mounting bar 16 is fixedly and vertically arranged at the longitudinal midline position of the mounting base 2, and the surface of the mounting bar 16 is provided with an inverted T-shaped mounting opening;
the fixture block 17 is movably clamped inside the mounting bar 16, the butt joint block 18 is fixedly connected to the top of the fixture block 17, the butt joint block 18 and the fixture block 17 at the bottom of the hydraulic rod 3 are aligned with the opening in the mounting bar 16, meanwhile, the top of the hydraulic rod 3 is aligned with the opening in the limiting plate 19, then the butt joint block 18 and the fixture block 17 move towards the inside of the mounting bar 16, and after the butt joint block 18 and the fixture block 17 are completely butted with the mounting bar 16, the hydraulic rod 3 is fixed inside the mounting bar 16, so that the mounting mode of the hydraulic rod 3 is very convenient and fast.
The utility model discloses the theory of operation: when the device is used, the base 1 is stably placed on the ground, then the bottom of the hydraulic rod 3 is installed on the installation base 2 through the installation strip 16, meanwhile, the top of the hydraulic rod 3 is butted with the opening of the limiting plate 19, then the hydraulic rod 3 is started, the hydraulic rod 3 can drive the top frame 4 to move upwards through the limiting plate 19 when moving upwards, when the top frame 4 is jointed with the inner wall of the tunnel, the hydraulic rod 3 is stopped, and therefore the tunnel can be reinforced, and the device is the characteristic of the device for reinforcing and supporting in the initial stage of tunnel excavation, and the content which is not described in detail in the description belongs to the prior art which is well known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a device that tunnel excavation initial stage reinforcement was strutted and is used which characterized in that includes:
the base is placed on the ground at the bottom, and the upper end of the base is provided with a mounting seat;
the hydraulic rod is vertically arranged on the surface of the mounting seat;
the roof rack, the level sets up in the mount pad upper end, roof rack and mount pad vertical well bisector position are provided with the hydraulic stem, roof rack bottom fixedly connected with limiting plate, install inside the limiting plate at the hydraulic stem top.
2. The apparatus for preliminary reinforcing and supporting in excavation of a tunnel according to claim 1, wherein the mount base further includes therein:
the screw rod is horizontally and movably connected to the transverse midline splitting position of the mounting seat, and the screw threads on the surfaces of two ends of the longitudinal midline splitting of the screw rod are opposite in direction;
the outer wall of the bearing is fixedly arranged in the mounting seat, and the inner circle of the bearing is fixedly connected with the screw rod;
and two thread sleeves are symmetrically arranged on the surface of the screw rod, and the two thread sleeves are respectively arranged on different thread turning directions of the screw rod.
3. The apparatus for primary reinforcing and supporting of tunnel excavation according to claim 2, wherein the thread bush surface is further connected to:
the two groups of connecting pieces are arranged, two connecting pieces are arranged in each group, one connecting piece is respectively arranged on the surfaces of the two thread sleeves, and the bottom of the top frame is provided with the two connecting pieces;
the four rotating shafts are respectively arranged in one connecting piece, and the surface of each rotating shaft is movably sleeved with a bracket;
the support is provided with two, connect a support respectively between two connecting pieces that roof-rack and thread bush correspond, constitute revolution mechanic between connecting piece, pivot and the support.
4. The apparatus for preliminary reinforcing and supporting in tunnel excavation according to claim 3, wherein the support frame is further provided with:
the outer wall of the rubber column is tangent to the inner wall of the bracket, the surface of the rubber column is connected with a connecting plate, and the size of the connecting plate is larger than that of the opening end of the bracket;
the contraction column is fixedly and vertically arranged on the surface of the connecting plate, and the longitudinal middle parting line of the contraction column and the longitudinal middle parting line of the bracket are positioned at the same position.
5. The apparatus of claim 1, wherein the top of the base is further connected to:
the supporting plate is vertically connected to the top of the base, and the size of the supporting plate is larger than that of the base;
the bottom of the spring is fixedly arranged on the surface of the supporting plate, and the spring is movably sleeved on the outer wall of the shrinkage column.
6. The apparatus for preliminary reinforcing and supporting in excavation of a tunnel according to claim 1, wherein the mount base surface further mounts:
the mounting bar is fixedly and vertically mounted at the longitudinal midline position of the mounting seat, and the surface of the mounting bar is provided with an inverted T-shaped mounting opening;
the fixture block is movably clamped inside the mounting strip, and the top of the fixture block is fixedly connected with the butt-joint block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206340.1U CN214787452U (en) | 2021-06-01 | 2021-06-01 | Device for tunnel excavation initial reinforcement support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206340.1U CN214787452U (en) | 2021-06-01 | 2021-06-01 | Device for tunnel excavation initial reinforcement support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787452U true CN214787452U (en) | 2021-11-19 |
Family
ID=78699682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121206340.1U Expired - Fee Related CN214787452U (en) | 2021-06-01 | 2021-06-01 | Device for tunnel excavation initial reinforcement support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787452U (en) |
-
2021
- 2021-06-01 CN CN202121206340.1U patent/CN214787452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |