CN216342246U - Anti-collapse supporting device for road bridge tunnel construction - Google Patents
Anti-collapse supporting device for road bridge tunnel construction Download PDFInfo
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- CN216342246U CN216342246U CN202122671672.3U CN202122671672U CN216342246U CN 216342246 U CN216342246 U CN 216342246U CN 202122671672 U CN202122671672 U CN 202122671672U CN 216342246 U CN216342246 U CN 216342246U
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Abstract
The utility model discloses an anti-collapse supporting device for road and bridge tunnel construction, which relates to the technical field of road and bridge tunnel construction and comprises a semicircular tunnel and a bottom plate arranged in the semicircular tunnel, wherein an annular supporting plate is fixed on a stress concentration block at the center of the top of the bottom plate through a plurality of supporting rods, a plurality of hydraulic cylinders are fixed on the outer side of the annular supporting plate, a base plate is fixed at the free end of a push rod of each hydraulic cylinder, and the base plates are abutted against the inner side of the tunnel; further comprising: the adjusting mechanism is arranged on the outer side of the annular supporting plate and comprises a sliding groove formed in the annular surface of the annular supporting plate, and a sliding block capable of sliding along the sliding groove is fixed at the bottom of the hydraulic cylinder; the adjusting mechanism can adjust the position of the hydraulic cylinder on the annular supporting plate at will, so that the hydraulic cylinder can move more flexibly and has a wider range, and the supporting practicability of the annular supporting plate is improved.
Description
Technical Field
The utility model relates to the technical field of road, bridge and tunnel construction, in particular to an anti-collapse supporting device for road, bridge and tunnel construction.
Background
Among the prior art just be a tunnel construction changes arch and prevents support device that collapses like chinese patent CN202022923619.3, including annular bracing frame, annular bracing frame is equipped with the spout towards one side in tunnel, the spout in-connection has the installation piece, the installation piece is towards one side fixedly connected with pneumatic cylinder of tunnel inner wall, the telescopic link front end top of pneumatic cylinder is in the backup pad, through seting up the spout on annular bracing frame surface, can slide the adjustment position and increase and decrease quantity to the pneumatic cylinder in the spout, can implement different support schemes according to the tunnel condition of difference.
However, the two adjacent through holes on the annular supporting plate of the above patent are spaced, so that the adjusting range of the hydraulic cylinder is small, the hydraulic cylinder has limitations and low practicability, and therefore, the improvement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an anti-collapse supporting device for road bridge tunnel construction, which solves the problems in the background art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: an anti-collapse supporting device for road and bridge tunnel construction comprises a semicircular tunnel and a bottom plate arranged in the semicircular tunnel, wherein an annular supporting plate is fixed on a stress concentration block at the center of the top of the bottom plate through a plurality of supporting rods, a plurality of hydraulic cylinders are fixed on the outer side of the annular supporting plate, a base plate is fixed at the free end of a push rod of each hydraulic cylinder, and the base plates abut against the inner side of the tunnel;
further comprising:
and the adjusting mechanism is arranged outside the annular supporting plate and can adjust the position of the hydraulic cylinder on the annular supporting plate at will.
The anti-collapse supporting device for road bridge tunnel construction preferably comprises a sliding groove formed in the annular surface of the annular supporting plate, a sliding block capable of sliding along the sliding groove is fixed at the bottom of the hydraulic cylinder, the cross sections of the sliding block and the sliding groove are arranged in an inverted T shape, and locking assemblies for locking the sliding block are arranged on two sides of the annular supporting plate.
The anti-collapse supporting device for road, bridge and tunnel construction preferably comprises a through groove formed in the side surface of the annular supporting plate, the through groove penetrates through the sliding groove, a screw hole transversely penetrates through the side surface of the sliding block, a screw rod is screwed in the screw hole, the screw head of the screw rod abuts against one side of the annular supporting plate, the free end of the screw rod extends out of the other side of the annular supporting plate, and the free end of the screw rod is screwed with a nut with an end face abutting against the other side of the annular supporting plate.
The collapse preventing support device for road, bridge and tunnel construction is preferably arranged such that both ends of the chute are open.
In the collapse preventing support device for road, bridge and tunnel construction, it is preferable that an angle line is provided on one side of the annular support plate, and an indicator pin is fixed to a side of the slider opposite to the angle line.
Compared with the prior art, the utility model has the following beneficial effects: the position of the hydraulic cylinder on the annular supporting plate can be adjusted at will by the adjusting mechanism, so that the hydraulic cylinder is more flexible to move, the range is larger, and the supporting practicability of the annular supporting plate is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a first perspective view of the annular support plate of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a second perspective view of the annular support plate of the present invention;
FIG. 5 is an enlarged view of the utility model at B of FIG. 4;
FIG. 6 is a partial perspective view of the annular support plate of the present invention;
FIG. 7 is a partial perspective view of the annular support plate of the present invention;
FIG. 8 is a partial cross-sectional view in elevation of the annular support plate of the present invention.
In the figure: 1. a tunnel; 2. a base plate; 3. a support bar; 4. an annular support plate; 41. a chute; 42. a slider; 43. a through groove; 44. a screw; 45. a nut; 46. an angle line; 47. an indicator needle; 5. a hydraulic cylinder; 6. a backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: an anti-collapse supporting device for road and bridge tunnel construction comprises a semicircular tunnel 1 and a bottom plate 2 arranged in the semicircular tunnel 1, wherein an annular supporting plate 4 is fixed on a stress concentration block at the center of the top of the bottom plate 2 through a plurality of supporting rods 3, a plurality of hydraulic cylinders 5 are fixed on the outer side of the annular supporting plate 4, backing plates 6 are fixed at free ends of push rods of the hydraulic cylinders 5, and the backing plates 6 are abutted against the inner side of the tunnel 1 (the structures are the prior art, and the specific working principle refers to Chinese patent CN202022923619.3, so that the utility model is not explained more);
further comprising:
and the adjusting mechanism is arranged on the outer side of the annular supporting plate 4 and can be used for randomly adjusting the position of the hydraulic cylinder 5 on the annular supporting plate 4.
The adjusting mechanism comprises a sliding groove 41 formed in the annular surface of the annular supporting plate 4, a sliding block 42 capable of sliding along the sliding groove 41 is fixed at the bottom of the hydraulic cylinder 5, the sliding block 42 and the sliding groove 41 are arranged in an inverted T shape, and locking assemblies for locking the sliding block 42 are arranged on two sides of the annular supporting plate 4.
The locking assembly comprises a through groove 43 arranged on the side surface of the annular supporting plate 4, the through groove 43 penetrates to the sliding groove 41, a screw hole is transversely arranged on the side surface of the sliding block 42 in a penetrating manner, a screw 44 is screwed in the screw hole, the screw head of the screw 44 abuts against one side of the annular supporting plate 4, the free end of the screw 44 extends out of the other side of the annular supporting plate 4, a nut 45 with the end surface abutting against the other side of the annular supporting plate 4 is screwed at the free end of the screw 44, when the locking assembly is used, the nut 45 is screwed off the screw 44, the hydraulic cylinder 5 can freely adjust the position on the annular supporting plate 4 through the sliding of the sliding block 42 in the sliding groove 41, after the adjustment, the nut 45 is screwed on the screw 44 until the end surface of the nut 45 abuts against the other side of the annular supporting plate 4, the locking of the sliding block 42 is realized, the locking of the hydraulic cylinder 5 is realized, and finally, the position of the hydraulic cylinder 5 on the annular supporting plate 4 can be freely adjusted, the hydraulic cylinder 5 can move more flexibly and in a wider range, and the supporting practicability of the annular supporting plate 4 is improved.
The both ends of spout 41 all are the opening setting, can be so that slider 42 can follow annular support plate 4 and directly slide away, be convenient for according to actual demand, dismouting pneumatic cylinder 5.
One side of the annular support plate 4 is provided with an angle line 46, and an indicating needle 47 is fixed on one side of the slide block 42 opposite to the angle line 46, so that the distance between two adjacent hydraulic cylinders 5 can be adjusted conveniently and more accurately through the indication of the indicating needle 47 on the angle line 46.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a supporting device that collapses that road bridge tunnel construction was used, includes semicircular tunnel (1) and sets up bottom plate (2) in it, be fixed with annular support plate (4) through many spinal branchs vaulting pole (3) on the concentrated piece of stress of bottom plate (2) top center department, and the outside of annular support plate (4) is fixed with a plurality of pneumatic cylinders (5), the push rod free end of pneumatic cylinder (5) is fixed with backing plate (6), and a plurality of backing plates (6) support tunnel (1) inboard, its characterized in that:
further comprising:
the adjusting mechanism is arranged on the outer side of the annular supporting plate (4), and the position of the hydraulic cylinder (5) on the annular supporting plate (4) can be adjusted at will by the adjusting mechanism.
2. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 1, wherein: adjustment mechanism is including offering spout (41) on annular support plate (4) anchor ring, and the bottom of pneumatic cylinder (5) is fixed with and follows gliding slider (42) of spout (41), the cross section of slider (42) and spout (41) all is the type of falling T setting, and the both sides of annular support plate (4) are provided with the locking Assembly who locks slider (42).
3. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 2, wherein: the locking assembly comprises a through groove (43) formed in the side face of the annular supporting plate (4), the through groove (43) penetrates through the sliding groove (41), a screw hole is formed in the side face of the sliding block (42) in a transverse penetrating mode, a screw rod (44) is screwed in the screw hole, the screw head of the screw rod (44) abuts against one side of the annular supporting plate (4), the free end of the screw rod extends out of the other side of the annular supporting plate (4), and a nut (45) with the end face abutting against the other side of the annular supporting plate (4) is screwed on the free end of the screw rod (44).
4. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 3, wherein: the two ends of the sliding groove (41) are both arranged in an opening mode.
5. The collapse prevention supporting device for road, bridge and tunnel construction according to claim 4, wherein: an angle line (46) is arranged on one side of the annular supporting plate (4), and an indicating needle (47) is fixed on one side, opposite to the angle line (46), of the sliding block (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671672.3U CN216342246U (en) | 2021-11-03 | 2021-11-03 | Anti-collapse supporting device for road bridge tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671672.3U CN216342246U (en) | 2021-11-03 | 2021-11-03 | Anti-collapse supporting device for road bridge tunnel construction |
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| Publication Number | Publication Date |
|---|---|
| CN216342246U true CN216342246U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122671672.3U Active CN216342246U (en) | 2021-11-03 | 2021-11-03 | Anti-collapse supporting device for road bridge tunnel construction |
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| CN (1) | CN216342246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941540A (en) * | 2022-07-20 | 2022-08-26 | 湖南鹏翔星通汽车有限公司 | Multifunctional wet spraying machine for tunnel |
-
2021
- 2021-11-03 CN CN202122671672.3U patent/CN216342246U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941540A (en) * | 2022-07-20 | 2022-08-26 | 湖南鹏翔星通汽车有限公司 | Multifunctional wet spraying machine for tunnel |
| CN114941540B (en) * | 2022-07-20 | 2022-11-04 | 湖南鹏翔星通汽车有限公司 | Multifunctional wet spraying machine for tunnel |
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