CN115030756A - Road bridge tunnel construction prevents strutting arrangement that collapses - Google Patents
Road bridge tunnel construction prevents strutting arrangement that collapses Download PDFInfo
- Publication number
- CN115030756A CN115030756A CN202210561068.1A CN202210561068A CN115030756A CN 115030756 A CN115030756 A CN 115030756A CN 202210561068 A CN202210561068 A CN 202210561068A CN 115030756 A CN115030756 A CN 115030756A
- Authority
- CN
- China
- Prior art keywords
- plate
- limiting
- supporting
- movable
- lifting
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000008093 supporting effect Effects 0.000 claims description 62
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/02—Non-telescopic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a collapse-preventing support device for road and bridge tunnel construction, which belongs to the technical field of road and bridge tunnel construction, and comprises a base, support columns are symmetrically arranged on the base, a mounting plate is connected on the support columns, a top support module is arranged on the mounting plate, a lifting assembly and a first limit assembly are arranged between the mounting plate and the top support module, the first limit assembly comprises a lifting rod, second wedge-shaped blocks are distributed on two sides of the lifting rod, first limit grooves are arranged on two sides of the lifting rod, a movable plate is arranged in each first limit groove, a first wedge-shaped block is arranged on one side of the movable plate, a first sliding block is connected to the other side of the movable plate, a first limit gear is arranged in each first limit groove and is connected with one end of a first swing rod, the other end of the first swing rod is hinged with the first sliding block, a first movable toothed bar is arranged in each first limit groove, the device has the advantages of stable attachment, stable support, flexible adjustment, high efficiency, limitation, safety and reliability.
Description
Technical Field
The invention 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
The tunnel construction is a new engineering construction method formed by adopting a system formed by adopting a spray anchor technology, monitoring measurement and the like and combining with a rock mechanics theory.
In road bridge tunnel work progress, under the condition of not strutting the road bridge tunnel, the phenomenon that collapses appears easily, influence the efficiency of construction, present road bridge tunnel construction prevents that the strutting arrangement that collapses supports the road bridge tunnel through the mode of erection bracing board, but this kind of support mode is mostly to install and be connected the backup pad through threaded bolt connection's mode, the backup pad of being inconvenient for is adjusted according to the concrete condition in road bridge tunnel, the suitability of device has been reduced, it is from top to bottom visible, current road bridge tunnel construction prevents that the strutting arrangement exists the backup pad of being inconvenient for and adjusts the shortcoming according to the concrete condition in road bridge tunnel, be difficult to obtain popularization and application.
Therefore, it is necessary to provide a collapse-preventing supporting device for road, bridge and tunnel construction, which aims to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide an anti-collapse supporting device for road bridge tunnel construction, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a collapse-preventing supporting device for road and bridge tunnel construction comprises a base, wherein supporting columns are symmetrically arranged on the base, mounting plates are connected onto the supporting columns, top supporting modules are arranged on the mounting plates, a lifting assembly and a first limiting assembly are arranged between the mounting plates and the top supporting modules, the first limiting assembly comprises a lifting rod movably arranged on the mounting plates, a plurality of second wedges are distributed on two sides of the lifting rod, first limiting grooves are formed in the mounting plates on two sides of the lifting rod, a moving plate is arranged in the first limiting grooves in a sliding mode, a first wedge matched with the second wedges is arranged on one side, close to the lifting rod, of the moving plate, a first sliding block is connected to the other side of the moving plate in a sliding mode, a first limiting gear is movably arranged in the first limiting grooves, and the first limiting gear is fixedly connected with one end of a first swing rod, the other end of the first swing rod is hinged with the first sliding block, a first movable toothed bar meshed with a first limiting gear is movably arranged in the first limiting groove, one end of the first movable toothed bar is connected with the first limiting groove through a first spring, the other end of the first movable toothed bar penetrates through the first limiting groove, in the initial position, the first wedge block and the second wedge block are matched and fix the height of the top supporting module in a mode of fixing the height of the lifting rod, when the top supporting module needs to move upwards, the first movable toothed bar is pushed upwards or pulled downwards, the first spring is stressed to contract or extend, the first movable toothed bar drives the first swing rod to rotate in a mode of driving the first limiting gear to rotate, the first swing rod drives the first movable plate and the movable plate to slide to keep away from the lifting rod, and the fixation of the lifting rod is released in a mode of driving the first wedge block to keep away from the lifting rod, the lifting assembly supports the top structure of the road bridge tunnel in a mode of driving the top support module to move upwards.
As a further aspect of the present invention, the top support module comprises:
the top plate is arranged on one side, far away from the base, of the mounting plate and is an upward convex arc plate;
the transverse plate is arranged between the mounting plate and the top plate and is connected with the lifting rod;
the spliced pole, the spliced pole is provided with a plurality of and is connected between diaphragm and roof.
As a further aspect of the present invention, the lifting assembly includes:
the connecting holes are arranged in the mounting plate and the supporting columns;
the supporting tooth column is movably arranged in the connecting hole, and one end of the supporting tooth column is connected with the transverse plate;
the lifting gear is movably arranged in the connecting hole and is connected with the output end of the lifting motor.
As a further scheme of the invention, a side plate is arranged on one side, away from each other, of the supporting column, and a supporting assembly is connected between the side plate and the supporting column.
As a further aspect of the present invention, the support assembly includes:
the mounting seat is arranged on one side, close to the side plate, of the supporting column, and a transmission gear is movably arranged on the mounting seat;
the second sliding block is arranged on one side, close to the mounting seat, of the side plate in a sliding mode, the second sliding block is hinged to one end of a second swing rod, and the other end of the second swing rod is fixedly connected with the transmission gear;
the movable rack is movably arranged in the support column and is meshed and connected with the transmission gear;
the connecting plate is positioned on one side, close to each other, of the support columns and connected with one end, far away from the side plate, of the movable rack, and a threaded cylinder is mounted on the connecting plate;
the lead screw, lead screw and thread cylinder threaded connection, the one end of lead screw is connected with the output of installing the accommodate motor on the support column.
As a further scheme of the invention, second limiting assemblies are arranged in the supporting column and distributed on two sides of the movable rack.
As a further aspect of the present invention, the second position limiting assembly comprises:
the second limiting groove is arranged in the support column and positioned on two sides of the movable rack, a connecting rod is movably arranged in the second limiting groove, and one end of the connecting rod penetrates through the second limiting groove and is provided with a rack plate meshed with the movable rack;
the second limiting gear is movably arranged in a second limiting groove, a connecting groove plate is connected outside the second limiting gear, a connecting column is arranged in the connecting groove plate in a sliding mode, and the connecting column is arranged at one end, far away from the rack plate, of the connecting rod;
the second movable toothed bar is movably arranged in the second limiting groove and meshed with the second limiting gear, a second spring is connected between one end of the second movable toothed bar and the second limiting groove, and the other end of the second movable toothed bar penetrates through the second limiting groove.
In summary, the embodiments of the present invention have the following advantages compared with the prior art:
according to the invention, the top support module can be used for stably attaching and supporting the top structure of the road and bridge tunnel, the position of the top support module can be adjusted through the lifting assembly, the support requirements of different heights are met, the position of the top support module can be stably limited through the first limiting assembly, the construction safety is prevented from being influenced by collapse in the support process, and the effects of stable attachment, stable support, flexible adjustment, high-efficiency limiting, safety and reliability are achieved.
In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the invention.
FIG. 2 is a partially enlarged view of A in the invention example.
Fig. 3 is a partially enlarged view of B in the invention example.
Fig. 4 is a partially enlarged view of C in the invention example.
Fig. 5 is a partially enlarged view of D in the embodiment of the invention.
Fig. 6 is a schematic structural diagram of a threaded cylinder in an embodiment of the invention.
Reference numerals: 1-base, 2-supporting column, 3-mounting plate, 4-top supporting module, 401-horizontal plate, 402-top plate, 403-connecting column, 5-lifting component, 501-connecting hole, 502-lifting motor, 503-lifting gear, 504-supporting tooth column, 6-first limiting component, 601-first limiting groove, 602-first movable tooth bar, 603-first limiting gear, 604-first swing rod, 605-first sliding block, 606-moving plate, 607-first wedge block, 608-second wedge block, 609-lifting rod, 610-first spring, 611-moving plate, 612-sliding groove, 7-side plate, 8-supporting component, 801-second sliding block, 802-second swing rod, 803-a transmission gear, 804-a mounting seat, 805-a movable rack, 806-a connecting plate, 807-a threaded cylinder, 808-a lead screw, 809-an adjusting motor, 9-a second limiting component, 901-a second limiting groove, 902-a second spring, 903-a second movable toothed bar, 904-a second limiting gear, 905-a connecting groove plate, 906-a connecting column, 907-a connecting rod and 908-a rack plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
In an embodiment of the present invention, referring to fig. 1 and fig. 3, the collapse preventing and supporting device for road, bridge and tunnel construction includes a base 1, support columns 2 are symmetrically disposed on the base 1, a mounting plate 3 is connected to the support columns 2, a top support module 4 is disposed on the mounting plate 3, a lifting assembly 5 and a first limit assembly 6 are disposed between the mounting plate 3 and the top support module 4, the first limit assembly 6 includes a lifting rod 609 movably disposed on the mounting plate 3, a plurality of second wedges 608 are disposed on both sides of the lifting rod 609, a first limit groove 601 is disposed in the mounting plate 3 on both sides of the lifting rod 609, a moving plate 606 is slidably disposed in the first limit groove 601, a first wedge 607 matched with the second wedge 608 is disposed on one side of the moving plate 606 close to the lifting rod 609, and a first slider 605 is slidably connected to the other side of the moving plate 606, a first limit gear 603 is movably mounted in the first limit groove 601, the first limit gear 603 is fixedly connected with one end of a first swing rod 604, the other end of the first swing rod 604 is hinged with a first slider 605, a first movable rack 602 engaged with the first limit gear 603 is movably arranged in the first limit groove 601, one end of the first movable rack 602 is connected with the first limit groove 601 through a first spring 610, and the other end of the first movable rack 602 penetrates through the first limit groove 601.
In this embodiment, the top support module 4 can stably attach and support the top structure of the road and bridge tunnel, when the top support module 4 is in the initial position, the first wedge 607 and the second wedge 608 cooperate with the fixed height of the lifting rod 609 to fix the height of the top support module 3, when the top support module 4 needs to move upward, the first movable rack 602 is pushed upward or pulled downward, the first spring 610 is stressed to contract or extend, the first movable rack 602 drives the first swing rod 604 to rotate by driving the first limit gear 603, the first swing rod 604 drives the moving plate 606 to move away from the lifting rod 609 by driving the first slider 605 and the moving plate 606 to slide, the moving plate 606 removes the cooperation between the first wedge 607 and the second wedge 608 by driving the first wedge 607 to move away from the lifting rod 609, so as to remove the fixing of the lifting rod 609, the lifting assembly 5 drives the top support module 4 to move upward, thereby supporting the roof structure of the road-bridge tunnel, wherein the base 1 and the supporting column 2, and the supporting column 2 and the mounting plate 3 are connected by bolts and screws, which is convenient for dismounting the device, and improves the practicability of the device, wherein one side of the first wedge 607 close to the base 1 is provided with a first inclined plane, the other side of the first wedge 607 is provided with a first plane, one side of the second wedge 608 far away from the base 1 is provided with a second inclined plane matched with the first inclined plane, the other side of the second wedge 608 is provided with a second plane, the height of the lifting rod 609 can be fixed by the connection between the first plane and the second plane, the lifting rod 609 is prevented from moving in the supporting process of the top supporting module 3, which affects the stability of supporting, one side of the supporting column 2 close to each other is provided with a sliding groove 611, and a movable plate 610 is slidably arranged in the sliding groove 611, the movable plate 606 is connected to one end of the lifting rod 609 far away from the top support module 4, and the lifting direction of the lifting rod 609 can be stably supported through the sliding connection between the movable plate 606 and the sliding groove 611.
In one embodiment of the present invention, referring to fig. 1, the top support module 4 comprises a top plate 402, the top plate 402 is disposed on a side of the mounting plate 3 away from the base 1, and the top plate 402 is an upwardly convex arc plate; the transverse plate 401 is arranged between the mounting plate 3 and the top plate 402, and the transverse plate 401 is connected with the lifting rod 609; a connecting column 403, wherein the connecting column 403 is provided with a plurality of connecting columns and is connected between the transverse plate 401 and the top plate 402.
In this embodiment, the top structure of the road-bridge tunnel can be effectively attached and supported by the upwardly convex arc plates, and the height of the top plate 402 can be adjusted by the lifting assembly 5 by adjusting the height of the transverse plate 401 through the connection between the transverse plate 401 and the lifting rod 609, so that the top plate 402 is attached and supported by the top structure of the road-bridge tunnel, and the top plate 402 and the transverse plate 401 can be fixedly connected through the plurality of connecting columns 403, thereby improving the stability of the top support module 3.
In one embodiment of the present invention, referring to fig. 1 and 2, the lifting assembly 5 includes a connection hole 501, and the connection hole 501 is disposed in the mounting plate 3 and the support column 2; the supporting tooth column 504 is movably arranged in the connecting hole 501, and one end of the supporting tooth column 504 is connected with the transverse plate 401; the lifting gear 503 is movably arranged in the connecting hole 501, and the lifting gear 503 is connected with the output end of the lifting motor 502.
In this embodiment, when the height of the top support module 4 needs to be adjusted, the lifting motor 502 drives the lifting gear 503 to rotate, the lifting gear 503 drives the support toothed column 504 to move up in a gear-rack meshing manner, and the support toothed column 504 drives the top support module 4 to synchronously move up, so as to attach and support the top structure of the road-bridge tunnel.
In one embodiment of the invention, referring to fig. 1, 4 and 6, the sides of the support columns 2 facing away from each other are provided with side plates 7, and a support assembly 8 is connected between the side plates 7 and the support columns 2.
The supporting assembly 8 comprises a mounting seat 804, the mounting seat 804 is arranged on one side of the supporting column 2 close to the side plate 7, and a transmission gear 803 is movably arranged on the mounting seat 804; the second sliding block 801 is arranged on one side, close to the mounting seat 804, of the side plate 7 in a sliding manner, the second sliding block 801 is hinged to one end of a second swing rod 802, and the other end of the second swing rod 802 is fixedly connected with the transmission gear 803; the movable rack 805 is movably arranged in the support column 2 and is meshed and connected with the transmission gear 803; the connecting plate 806 is positioned on one side of the support columns 2 close to each other and connected with one end of the movable rack 805 far away from the side plate 7, and a threaded cylinder 807 is mounted on the connecting plate 806; and the screw rod 808 is in threaded connection with the threaded cylinder 807, and one end of the screw rod 808 is connected with the output end of an adjusting motor 809 arranged on the support column 2.
In this embodiment, in the initial position, the side plate 7 and the supporting column 2 are at the closest distance, when the side wall of the road, bridge or tunnel needs to be supported, the adjusting motor 809 drives the screw rod 808 to rotate, the screw rod 808 drives the connecting plate 806 to be away from the side plate 7 in a manner of being in threaded connection with the threaded cylinder 807, the connecting plate 806 drives the moving rack 805 to move synchronously, the moving rack 805 drives the second swing link 802 to rotate outwards in a manner of being in meshed connection with the transmission gear 803, the second swing link 802 drives the side plate 7 to be away from the supporting column 2 in a manner of driving the second sliding block 801 to slide on the side plate 7, thereby supporting the side wall of the road bridge tunnel, preventing the potential safety hazard caused by the collapse of the inner wall of the road bridge tunnel, when the side plate 7 is close to the supporting column 2, the transmission gear 803 drives the moving rack 805 to be close to the side plate 7, so that the position of the side plate 7 is limited, and the supporting effect is improved.
In one embodiment of the present invention, referring to fig. 1 and 5, a second limiting component 9 is disposed inside the supporting column 2, and the second limiting component 9 is distributed on two sides of the moving rack 805.
The second limiting component 9 comprises a second limiting groove 901, the second limiting groove 901 is arranged in the support column 2 and is positioned at two sides of the movable rack 805, a connecting rod 907 is movably arranged in the second limiting groove 901, and one end of the connecting rod 907 penetrates through the second limiting groove 901 and is provided with a rack plate 908 meshed with the movable rack 805; the second limiting gear 904 is movably arranged in a second limiting groove 901, a connecting groove plate 905 is connected outside the second limiting gear 904, a connecting column 906 is arranged in the connecting groove plate 905 in a sliding mode, and the connecting column 906 is installed at one end, far away from the rack plate 908, of the connecting rod 907; and the second movable toothed bar 903 is movably arranged in a second limiting groove 901, a second spring 902 is connected between one end of the second movable toothed bar 903, which is meshed with the second limiting gear 904 and connected with the second limiting groove 901, and the other end of the second movable toothed bar 903 penetrates through the second limiting groove 901.
In this embodiment, in the initial position, the second spring 902 is at the original length and the rack plate 908 is engaged with the moving rack 805, so as to fix the position of the moving rack 805, thereby fixing the position of the side plate 7, when the position of the side plate 7 needs to be adjusted, the second movable rack 903 is pushed into the second limiting groove 901, the second spring 902 is forced to contract, the second movable rack 903 drives the second limiting gear 904 to rotate counterclockwise by way of the rack-and-pinion engagement connection, the second limiting gear 904 drives the connecting groove plate 905 to rotate synchronously, the connecting groove plate 905 drives the connecting rod 907 to move towards the inside of the second limiting groove 901 by way of the sliding connection with the connecting post 906, the connecting rod 907 drives the rack plate to move synchronously, thereby releasing the engagement connection between the rack plate 908 and the moving rack 805, the moving rack 805 is released from the fixation, facilitating the flexible adjustment of the side plate 7, after the position of the side plate 7 is adjusted, the second movable rack 903 is released, the second spring 902 extends and pushes the second movable rack 903 to move outwards, the second movable rack 903 drives the second limit gear 904 to rotate clockwise in a gear-rack meshing connection mode, the second limit gear 904 drives the connecting groove plate 905 to rotate synchronously, the connecting groove plate 905 drives the connecting rod 907 to move outwards of the second limit groove 901 in a sliding connection mode with the connecting column 906, the connecting rod 907 drives the rack plate 908 to move synchronously, meshing connection of the rack plate 908 and the movable rack 805 is achieved, the position of the movable rack 805 is fixed, the position of the side plate 7 is fixed, collapse of the side wall of the road and bridge tunnel is prevented, and supporting stability is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An anti-collapse supporting device for road and bridge tunnel construction comprises a base, wherein supporting columns are symmetrically arranged on the base, and mounting plates are connected onto the supporting columns, and the anti-collapse supporting device is characterized in that top supporting modules are arranged on the mounting plates, a lifting assembly and a first limiting assembly are arranged between the mounting plates and the top supporting modules, the first limiting assembly comprises a lifting rod movably arranged on the mounting plates, a plurality of second wedges are distributed on two sides of the lifting rod, first limiting grooves are formed in the mounting plates on two sides of the lifting rod, a moving plate is arranged in the first limiting grooves in a sliding manner, a first wedge matched with the second wedges is arranged on one side, close to the lifting rod, of the moving plate, a first sliding block is connected to the other side of the moving plate in a sliding manner, a first limiting gear is movably arranged in the first limiting grooves, and is fixedly connected with one end of a first swing rod, the other end of the first swing rod is hinged with the first sliding block, a first movable toothed bar meshed with a first limiting gear is movably arranged in the first limiting groove, one end of the first movable toothed bar is connected with the first limiting groove through a first spring, the other end of the first movable toothed bar penetrates through the first limiting groove, in the initial position, the first wedge block and the second wedge block are matched and fix the height of the top support module in a mode of fixing the height of the lifting rod, when the top support module needs to move upwards, the first movable toothed bar is pushed upwards or pulled downwards, the first spring is stressed to contract or extend, the first movable toothed bar drives the first swing rod to rotate in a mode of driving the first limiting gear to rotate, the first swing rod drives the movable plate to be far away from the lifting rod in a mode of driving the first sliding block and the movable plate to slide upwards, and the fixing of the lifting rod is released in a mode of driving the first wedge block to be far away from the lifting rod, the lifting assembly supports the top structure of the road bridge tunnel in a mode of driving the top support module to move upwards.
2. The road bridge tunnel construction collapse prevention supporting device according to claim 1, wherein the top supporting module comprises:
the top plate is arranged on one side, far away from the base, of the mounting plate and is an upward convex arc plate;
the transverse plate is arranged between the mounting plate and the top plate and is connected with the lifting rod;
the spliced pole, the spliced pole is provided with a plurality of and is connected between diaphragm and roof.
3. The collapse-preventing supporting device for road, bridge and tunnel construction according to claim 2, wherein the lifting assembly comprises:
the connecting holes are arranged in the mounting plate and the supporting columns;
the supporting tooth column is movably arranged in the connecting hole, and one end of the supporting tooth column is connected with the transverse plate;
the lifting gear is movably arranged in the connecting hole and is connected with the output end of the lifting motor.
4. The road, bridge and tunnel construction collapse prevention supporting device according to claim 1, wherein a side plate is arranged on one side of the supporting columns, which is far away from each other, and a supporting assembly is connected between the side plate and the supporting columns.
5. The road bridge tunnel construction collapse prevention supporting device according to claim 4, wherein the supporting assembly comprises:
the mounting seat is arranged on one side, close to the side plate, of the supporting column, and a transmission gear is movably arranged on the mounting seat;
the second sliding block is arranged on one side, close to the mounting seat, of the side plate in a sliding mode, the second sliding block is hinged to one end of a second swing rod, and the other end of the second swing rod is fixedly connected with the transmission gear;
the movable rack is movably arranged in the support column and is meshed and connected with the transmission gear;
the connecting plate is positioned on one side, close to each other, of the support columns and connected with one end, far away from the side plate, of the movable rack, and a threaded cylinder is mounted on the connecting plate;
the lead screw, lead screw and thread cylinder threaded connection, the one end of lead screw is connected with the output of installing the accommodate motor on the support column.
6. The road bridge tunnel construction collapse-prevention supporting device according to claim 5, wherein second limiting assemblies are arranged in the supporting columns, and the second limiting assemblies are distributed on two sides of the movable rack.
7. The road bridge tunnel construction collapse prevention supporting device according to claim 6, wherein the second limiting assembly comprises:
the second limiting groove is arranged in the support column and positioned on two sides of the movable rack, a connecting rod is movably arranged in the second limiting groove, and one end of the connecting rod penetrates through the second limiting groove and is provided with a rack plate meshed with the movable rack;
the second limiting gear is movably arranged in a second limiting groove, a connecting groove plate is connected outside the second limiting gear, a connecting column is arranged in the connecting groove plate in a sliding mode, and the connecting column is arranged at one end, far away from the rack plate, of the connecting rod;
the second movable toothed bar is movably arranged in the second limiting groove and is meshed with the second limiting gear, a second spring is connected between one end of the second movable toothed bar and the second limiting groove, and the other end of the second movable toothed bar penetrates through the second limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210561068.1A CN115030756A (en) | 2022-05-20 | 2022-05-20 | Road bridge tunnel construction prevents strutting arrangement that collapses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210561068.1A CN115030756A (en) | 2022-05-20 | 2022-05-20 | Road bridge tunnel construction prevents strutting arrangement that collapses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115030756A true CN115030756A (en) | 2022-09-09 |
Family
ID=83121483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210561068.1A Pending CN115030756A (en) | 2022-05-20 | 2022-05-20 | Road bridge tunnel construction prevents strutting arrangement that collapses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115030756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181381A (en) * | 2023-04-26 | 2023-05-30 | 山西省水利建筑工程局集团有限公司 | Tunnel primary support steel supporting structure and supporting method thereof |
-
2022
- 2022-05-20 CN CN202210561068.1A patent/CN115030756A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181381A (en) * | 2023-04-26 | 2023-05-30 | 山西省水利建筑工程局集团有限公司 | Tunnel primary support steel supporting structure and supporting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202645026U (en) | Post foot correcting device for steel structure steel post | |
| CN115030756A (en) | Road bridge tunnel construction prevents strutting arrangement that collapses | |
| CN117803075B (en) | Assembled steel construction building structure system | |
| CN113699887A (en) | Polygonal steel arch rib assembling and positioning device and using method thereof | |
| CN210086491U (en) | Supporting device is strengthened in building jacking control | |
| CN219298471U (en) | Connection structure of assembled steel structure post | |
| CN114592429B (en) | Auxiliary splicing construction system and construction method for tied arch bridge arch rib and air bracing | |
| CN212984696U (en) | Object falling prevention device for building construction | |
| CN212957556U (en) | Scaffold for building engineering convenient to build | |
| CN217948780U (en) | Bridge frame is dismantled with device that unloads | |
| CN214245328U (en) | Steel stand structure for bridge | |
| CN220768903U (en) | Frock frame of electric power piping lane stand and support installation | |
| CN217420485U (en) | Post-cast strip high cantilever beam bottom supporting structure | |
| CN220978888U (en) | Precast internal shear wall construction supporting device | |
| CN218465426U (en) | New forms of energy battery package positioner | |
| CN220888315U (en) | Combined support suitable for construction of cast-in-situ beam of oblique crossing river bridge | |
| CN114572829B (en) | Hoisting positioning auxiliary device and method | |
| CN219117976U (en) | Auxiliary foot rest for bridge cantilever construction | |
| CN218989916U (en) | Front temporary supporting device and bridge girder erection machine | |
| CN212399357U (en) | On-spot location cutting jig of special way steel bridge guardrail handrail of bicycle | |
| CN219411215U (en) | Integrated assembly type steel structure building | |
| CN214783341U (en) | Safety protection device for bridge engineering construction | |
| CN216549439U (en) | Electromechanical mounting bracket of outdoor use | |
| CN220848744U (en) | Aluminum alloy template supporting system for underground garage | |
| CN217129033U (en) | Foundation ditch safety device for highway engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |