CN212508366U - Railway tunnel temporary support device convenient to butt joint - Google Patents
Railway tunnel temporary support device convenient to butt joint Download PDFInfo
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- CN212508366U CN212508366U CN202021058868.4U CN202021058868U CN212508366U CN 212508366 U CN212508366 U CN 212508366U CN 202021058868 U CN202021058868 U CN 202021058868U CN 212508366 U CN212508366 U CN 212508366U
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- connecting rod
- backplate
- movable
- butt joint
- temporary support
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Abstract
The utility model discloses a railway tunnel temporary support device convenient to butt joint, including base, movable block, first backplate and movable rod, the lower surface bolted fixation of base has universal wheel and supporting leg frame, and the upper surface bolted fixation of base has the cylinder, the last surface bolted fixation of cylinder has buckle and guide post, the outside of movable block is connected with the connecting rod, and the left end of connecting rod is connected with first backplate, the outside hub connection of connecting rod has the movable rod, and is connected with torsion spring between movable rod and the connecting rod, be connected with the steel cable between reel and the buckle, the outside laminating of second backplate has the tunnel main part. This railway tunnel temporary support device convenient to butt joint is convenient for transport, remove inside the tunnel, can be fast convenient dock with the tunnel, can carry out the secondary to supporting construction simultaneously, has effectively strengthened the effect of strutting of device.
Description
Technical Field
The utility model relates to a tunnel construction technical field specifically is a railway tunnel temporary support device convenient to butt joint.
Background
With the continuous development and progress of the traffic industry in China, railway traffic is spread all over the country, and in the railway erection process, the railway traffic often passes through mountainous areas, in order to shorten the laying distance of railways, railway tunnels need to be built in mountains, but the mountains in different areas have different soil textures and soil layer structures, and the soil textures in the mountains in partial areas are soft, so that the tunnels have the risk of collapse, therefore, the temporary supporting device for the railway tunnels needs to be used for temporarily supporting the tunnel walls, but the temporary supporting device for the railway tunnels in the current market still has some defects, such as:
1. in the railway tunnel construction process, the internal space is limited, but most of railway tunnel temporary support devices in the current market are large and fixed in structure, so that the railway tunnel temporary support devices are inconvenient to transport in the railway tunnel and have certain use defects;
2. most of railway tunnel temporary support devices in the current market are single in structure, so that the railway tunnel temporary support devices are easy to damage in a supporting structure in the supporting process, and normal construction of railway tunnels is influenced.
We have therefore proposed a railway tunnel temporary bracing apparatus which facilitates butt-jointing, so as to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a railway tunnel temporary support device convenient to butt joint to solve the current market that the above-mentioned background art provided on railway tunnel temporary support device inconvenient transport in railway tunnel and the unsatisfactory problem of bearing structure stability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a railway tunnel temporary support device convenient to butt joint, includes base, movable block, first backplate and movable rod, the lower surface bolted fixation of base has universal wheel and supporting leg frame, and the upper surface bolted fixation of base has the cylinder to the upper end of cylinder is provided with the movable block, the upper surface bolted fixation of cylinder has buckle and guide post, the outside of movable block is connected with the connecting rod, and the left end of connecting rod is connected with first backplate to the outside of first backplate articulates there is a second backplate, the outside hub connection of connecting rod has the movable rod, and is connected with torque spring between movable rod and the connecting rod to the outside bolted connection of movable rod has the reel, be connected with the steel cable between reel and the buckle, the outside laminating of a second backplate has the tunnel main part.
Preferably, the through-hole has been seted up to the inside of movable block, and the through-hole constitutes cup joint structure with the guide post to the guide post is provided with 2 about the central line symmetry of cylinder.
Preferably, the connecting rod and the movable block form a rotating structure, the connecting rod is connected to the middle position of the first supporting plate, and the connecting rod and the first supporting plate form a rotating structure.
Preferably, first backplate symmetric distribution is in the outside of second backplate, and first backplate constitutes revolution mechanic with the second backplate to first backplate is convex structure, and first backplate is laminated with the tunnel main part mutually simultaneously.
Preferably, the movable rods are symmetrically arranged in number of 2, and the upper ends of the movable rods are attached to the second supporting plate.
Preferably, the movable rod and the connecting rod form an elastic rotating structure through a torsion spring, and the length of the movable rod is smaller than that of the connecting rod.
Compared with the prior art, the beneficial effects of the utility model are that: the railway tunnel temporary supporting device convenient for butt joint;
1. the movable block and the connecting rod are arranged, the movable block is pushed to ascend through the control cylinder, the connecting rod can push the first supporting plate to rotate and expand, so that the first supporting plate and the second supporting plate can be quickly butted with a tunnel main body, meanwhile, the size of the device in the carrying process can be effectively reduced through the first supporting plate which can be rotatably accommodated, the device can be quickly and conveniently butted with the tunnel through the structure, and meanwhile, the transportation and the movement inside the tunnel are facilitated;
2. be provided with the movable rod, when the operation is strutted to the tunnel to the device needs, the distance of reel to buckle is more and more far away, and the steel cable can stimulate the reel and rotate the unwrapping wire this moment, and the reel can drive the movable rod and rotate this moment for the upper end laminating of movable rod is in the backplate is propped up to the second, thereby carries out the secondary to the second supporting plate and supports, makes the device can carry out the secondary to supporting construction through this structure and supports, has effectively strengthened the effect of strutting of device.
Drawings
FIG. 1 is a schematic view of the docking structure of the present invention;
FIG. 2 is a schematic view of the structure of the utility model in transport;
FIG. 3 is a schematic view of the connecting rod of the present invention;
fig. 4 is a schematic view of the top view structure of the movable block of the present invention.
In the figure: 1. a base; 2. a universal wheel; 3. a support leg frame; 4. a cylinder; 5. a movable block; 501. a through hole; 6. a retaining ring; 7. a guide post; 8. a connecting rod; 9. a first support shield; 10. a second support guard plate; 11. a movable rod; 12. a reel; 13. a steel cord; 14. a torsion spring; 15. a tunnel body.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a railway tunnel temporary supporting device convenient for butt joint comprises a base 1, a universal wheel 2, a supporting leg frame 3, a cylinder 4, a movable block 5, a retaining ring 6, a guide post 7, a connecting rod 8, a first supporting plate 9, a second supporting plate 10, a movable rod 11, a reel 12, a steel rope 13, a torsion spring 14 and a tunnel main body 15, wherein the universal wheel 2 and the supporting leg frame 3 are fixed on the lower surface of the base 1 through bolts, the cylinder 4 is fixed on the upper surface of the base 1 through bolts, the movable block 5 is arranged at the upper end of the cylinder 4, the retaining ring 6 and the guide post 7 are fixed on the upper surface of the cylinder 4 through bolts, the connecting rod 8 is connected to the outer side of the movable block 5, the first supporting plate 9 is connected to the left end of the connecting rod 8, the second supporting plate 10 is hinged to the outer side of the first supporting plate 9, the movable rod 11 is connected to the outer side of the connecting rod 8 through a, a reel 12 is bolted to the outside of the active rod 11, a steel rope 13 is connected between the reel 12 and the buckle 6, and a tunnel body 15 is attached to the outside of the second fender panel 10;
the through hole 501 is formed in the movable block 5, the through hole 501 and the guide posts 7 form a sleeving structure, 2 guide posts 7 are symmetrically arranged about the center line of the air cylinder 4, and the guide posts 7 which are symmetrically arranged can play a role in guiding and limiting the movable block 5, so that the movable block 5 is prevented from shaking in the moving process;
the connecting rod 8 and the movable block 5 form a rotating structure, the connecting rod 8 is connected to the middle position of the first supporting plate 9, the connecting rod 8 and the first supporting plate 9 form a rotating structure, the first supporting plate 9 can be rotated and unfolded by pushing the movable block 5 to move upwards, so that the first supporting plate 9 and the second supporting plate 10 can be rapidly butted with the tunnel main body 15, the operation is convenient, and meanwhile, the first supporting plate 9 can be conveniently and rotatably accommodated in the later period, so that the size of the device in the transportation process is reduced;
the first supporting and protecting plates 9 are symmetrically distributed on the outer side of the second supporting and protecting plate 10, the first supporting and protecting plate 9 and the second supporting and protecting plate 10 form a rotating structure, the first supporting and protecting plate 9 is of an arc-shaped structure, meanwhile, the first supporting and protecting plate 9 is attached to the tunnel main body 15, the first supporting and protecting plate 9 and the second supporting and protecting plate 10 can be spliced into an arc-shaped structure by rotating the first supporting and protecting plate 9, and the first supporting and protecting plate and the second supporting and protecting plate are attached to the inner wall of the tunnel main body 15, so that the tunnel main body 15 is;
2 movable rods 11 are symmetrically arranged, the upper ends of the movable rods 11 are attached to the second supporting and protecting plate 10, the second supporting and protecting plate 10 can be supported for the second time through the movable rods 11, the stability of the second supporting and protecting plate 10 is improved, and therefore the overall supporting and protecting effect of the device is improved;
the movable rod 11 constitutes elasticity revolution mechanic through torsion spring 14 and connecting rod 8, and the length of movable rod 11 is less than the length of connecting rod 8, through torsion spring 14's elastic force effect, can be so that the movable block 5 process of moving down, and movable rod 11 rotates automatically and resets to laminate in the outside of connecting rod 8, thereby reduce the whole volume of device, make the device be convenient for remove, transport.
The working principle is as follows: when the railway tunnel temporary supporting device convenient for butt joint is used, firstly, as shown in fig. 1 and 4, the device is pushed into a tunnel through a universal wheel 2, then a cylinder 4 is controlled to push a movable block 5, so that the movable block 5 moves upwards along a guide column 7, at the moment, a first supporting plate 9 and a second supporting plate 10 continuously rise, when the second supporting plate 10 is attached to the top of a tunnel main body 15, the movable block 5 continues to be pushed to move upwards, at the moment, a connecting rod 8 rotates and pushes the first supporting plate 9 to rotate and expand, so that the first supporting plate 9 is also attached to the inner wall of the tunnel main body 15, the rapid butt joint of the device and the tunnel main body 15 is completed, and the supporting effect on the tunnel main body 15 is realized;
as shown in fig. 1 and 3, when the movable block 5 moves up, the steel rope 13 can pull the reel 12 to rotate, so that the reel 12 drives the movable rod 11 to rotate synchronously, so that the movable rod 11 is attached to the lower surface of the second protection plate 10, thereby realizing the secondary support of the second protection plate 10, and improving the supporting effect of the device, as shown in fig. 2, when the device needs to be disassembled and transported, only the control cylinder 4 needs to drive the movable block 5 to move down, so that the first protection plate 9 can automatically rotate and reset, and meanwhile, the movable rod 11 can also rotate and reset under the elastic action of the torsion spring 14 and is attached to the outer side of the connecting rod 8, thereby effectively reducing the whole volume of the device, so that the device can be conveniently transported and moved inside the tunnel main body 15, and a series of work can be completed.
Those not described in detail in this specification are within the skill of 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 railway tunnel temporary support device convenient to butt joint, includes base (1), movable block (5), first backplate (9) and movable rod (11), its characterized in that: the lower surface of the base (1) is fixed with a universal wheel (2) and a supporting leg frame (3) through bolts, the upper surface of the base (1) is fixed with a cylinder (4) through bolts, a movable block (5) is arranged at the upper end of the cylinder (4), a buckle ring (6) and a guide post (7) are fixed through bolts on the upper surface of the cylinder (4), the outer side of the movable block (5) is connected with a connecting rod (8), the left end of the connecting rod (8) is connected with a first supporting plate (9), the outer side of the first supporting plate (9) is hinged with a second supporting plate (10), the outer side of the connecting rod (8) is connected with a movable rod (11) through a shaft, a torsion spring (14) is connected between the movable rod (11) and the connecting rod (8), a reel (12) is connected to the outer side of the movable rod (11) through bolts, and a steel rope (13) is connected, and a tunnel main body (15) is attached to the outer side of the second supporting plate (10).
2. A railway tunnel temporary support device convenient for butt joint according to claim 1, wherein: through-hole (501) have been seted up to the inside of movable block (5), and through-hole (501) and guide post (7) constitute the cup joint structure to guide post (7) are provided with 2 about the central line symmetry of cylinder (4).
3. A railway tunnel temporary support device convenient for butt joint according to claim 1, wherein: connecting rod (8) constitute revolution mechanic with movable block (5), and connecting rod (8) are connected in the intermediate position of first backplate (9), and connecting rod (8) constitute revolution mechanic with first backplate (9).
4. A railway tunnel temporary support device convenient for butt joint according to claim 1, wherein: first backplate (9) symmetric distribution in the outside of second backplate (10), and first backplate (9) and second backplate (10) constitute revolution mechanic to first backplate (9) are convex structure, and first backplate (9) laminate mutually with tunnel main part (15) simultaneously.
5. A railway tunnel temporary support device convenient for butt joint according to claim 1, wherein: the movable rods (11) are symmetrically provided with 2 movable rods, and the upper ends of the movable rods (11) are attached to the second supporting and protecting plate (10).
6. A railway tunnel temporary support device convenient for butt joint according to claim 1, wherein: the movable rod (11) and the connecting rod (8) form an elastic rotating structure through a torsion spring (14), and the length of the movable rod (11) is smaller than that of the connecting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021058868.4U CN212508366U (en) | 2020-06-10 | 2020-06-10 | Railway tunnel temporary support device convenient to butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021058868.4U CN212508366U (en) | 2020-06-10 | 2020-06-10 | Railway tunnel temporary support device convenient to butt joint |
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| CN212508366U true CN212508366U (en) | 2021-02-09 |
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| CN202021058868.4U Active CN212508366U (en) | 2020-06-10 | 2020-06-10 | Railway tunnel temporary support device convenient to butt joint |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446032A (en) * | 2021-08-23 | 2021-09-28 | 中铁十二局集团有限公司 | Ultra-shallow long pipe shed tunnel supporting structure for underground crossing highway |
| CN115898486A (en) * | 2023-01-05 | 2023-04-04 | 山西诚达公路勘察设计有限公司 | Temporary supporting device for arch-shaped roadway of highway tunnel |
| CN117307215A (en) * | 2023-11-28 | 2023-12-29 | 北京市市政四建设工程有限责任公司 | Support structure for undercut tunnel |
-
2020
- 2020-06-10 CN CN202021058868.4U patent/CN212508366U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446032A (en) * | 2021-08-23 | 2021-09-28 | 中铁十二局集团有限公司 | Ultra-shallow long pipe shed tunnel supporting structure for underground crossing highway |
| CN113446032B (en) * | 2021-08-23 | 2023-04-18 | 中铁十二局集团有限公司 | Super shallow long pipe shed tunnel supporting construction of wearing highway under burying |
| CN115898486A (en) * | 2023-01-05 | 2023-04-04 | 山西诚达公路勘察设计有限公司 | Temporary supporting device for arch-shaped roadway of highway tunnel |
| CN115898486B (en) * | 2023-01-05 | 2023-05-02 | 山西诚达公路勘察设计有限公司 | Temporary support device for arch roadway of highway tunnel |
| CN117307215A (en) * | 2023-11-28 | 2023-12-29 | 北京市市政四建设工程有限责任公司 | Support structure for undercut tunnel |
| CN117307215B (en) * | 2023-11-28 | 2024-01-30 | 北京市市政四建设工程有限责任公司 | Support structure for undercut tunnel |
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