CN220791263U - Auxiliary installation device for tunnel primary support arch frame - Google Patents
Auxiliary installation device for tunnel primary support arch frame Download PDFInfo
- Publication number
- CN220791263U CN220791263U CN202322493065.1U CN202322493065U CN220791263U CN 220791263 U CN220791263 U CN 220791263U CN 202322493065 U CN202322493065 U CN 202322493065U CN 220791263 U CN220791263 U CN 220791263U
- Authority
- CN
- China
- Prior art keywords
- mounting
- connecting rod
- top end
- jack
- frame
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 239000011435 rock Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses an auxiliary installation device for an arch frame of a tunnel primary support, which comprises the following components: a fixing seat; the annular support is fixedly arranged at the top end of the fixing seat, three mounting rods are fixedly arranged at the bottom end of the annular support, and the bottom ends of the mounting rods are fixedly connected with the top end of the fixing seat; the jack is fixedly arranged in the middle of the top end of the fixed seat, and a vertical connecting rod is arranged at the top end of the jack; the mounting rack is movably mounted at the top end of the vertical connecting rod; the lifting jack is arranged, the lifting jack is used for adjusting the height of the mounting frame and supporting the arch frame, the lifting jack is a tool capable of providing large force and is used for lifting or supporting heavy structures, the lifting jack can be used for fine adjusting the height of the mounting frame through the lifting and supporting functions, meanwhile, the lifting jack can be operated to gradually change the height of the mounting frame, so that the mounting frame is accurately aligned with the position of the steel arch frame, and the difficulty of manual lifting and assembling is reduced.
Description
Technical Field
The utility model relates to the technical field of tunnel support, in particular to an auxiliary installation device for an arch frame of an initial tunnel support.
Background
In the primary tunnel supporting work, a steel arch is required to be installed to limit deformation of surrounding rock to the inside of a tunnel, the steel arch is usually in the form of I-steel and is divided into a plurality of sections in the annular direction, the sections are connected through flanges, the steel arch serves as an effective primary tunnel supporting means, plays an important role in stabilizing the surrounding rock and supporting a tunnel structure, a continuous powerful frame is formed by being installed at the inner annular position of the tunnel, the pressure and deformation of the surrounding rock can be borne, the surrounding rock is limited to a certain range, the steel arch is divided into a plurality of sections in the annular direction and is connected in a flange connection mode, and the flange connection is a common connection method, so that different sections can be simply and firmly connected through configuring flanges at the end parts of the steel arch. The connection mode can ensure the overall performance of the steel arch, and is convenient for the installation and maintenance of the arch.
At present, a steel arch is mainly installed manually, and because the arch has large dead weight, a plurality of workers are required to stand on the ground or a construction trolley during installation, the arch is supported together to be attached to the surface of surrounding rock for manual assembly, the labor intensity of constructors is high, and the installation efficiency is low; meanwhile, the position of the arch frame is difficult to adjust in the installation process, the construction quality is difficult to guarantee, and if the arch frame is out of balance and falls down, the personal safety of installation personnel is easily threatened;
Disclosure of utility model
The utility model aims to provide an auxiliary installation device for a tunnel primary support arch frame according to the defects of the prior art, and solves the problems that the existing supporting arch frame is attached to the surface of surrounding rock for manual assembly, the labor intensity of constructors is high, the installation efficiency is low and the position of the arch frame is difficult to adjust in the installation process.
The utility model is realized by the following technical scheme:
an auxiliary installation device for an initial support arch frame of a tunnel, which is characterized by comprising:
A fixing seat;
The annular support is fixedly arranged at the top end of the fixing seat, two mounting rods are fixedly arranged at the bottom end of the annular support, and the bottom ends of the mounting rods are fixedly connected with the top end of the fixing seat;
the jack is fixedly arranged in the middle of the top end of the fixed seat, and a vertical connecting rod is arranged at the top end of the jack;
the mounting bracket, its movable mounting in the top of vertical connecting rod.
Optionally, the jack middle part rotates installs transverse connection pole, the through-hole has been seted up at annular support's top middle part, vertical connection pole runs through annular support's through-hole sets up.
Optionally, the mounting bracket is the arc setting, the middle part fixed mounting of mounting bracket has longitudinal connecting rod, both ends are all fixed mounting has the threaded connection pole about the mounting bracket.
Optionally, two positioning nuts are arranged above the two threaded connecting rods.
Optionally, both ends are all fixed mounting around the bottom of vertical connecting rod and screw thread connecting rod have the bracing piece, six the bottom of bracing piece is gathered the department and is provided with the supporting seat and all with supporting seat fixed connection, the bottom and the vertical connecting rod top of supporting seat pass through hinged joint.
Optionally, three supports are fixedly arranged at the bottom end of the fixing seat, and the three supports are arranged in a triangular mode.
The utility model has the advantages that:
The lifting jack is arranged, the lifting jack is used for adjusting the height of the mounting frame and supporting the arch frame, the lifting jack is a tool capable of providing large force and is used for lifting or supporting a heavy structure, the lifting jack can be used for fine adjusting the height of the mounting frame through the lifting and supporting functions of the lifting jack, meanwhile, the lifting jack can be operated to gradually change the height of the mounting frame, so that the lifting jack is accurately aligned with the position of the steel arch frame, and the difficulty of manual lifting and assembling is reduced;
The utility model is provided with the threaded connecting rod, the positioning nut and the supporting seat, wherein the threaded connecting rod is matched with the positioning nut, the fixing and limiting functions are realized through the threaded matching with the positioning nut, the length and the threaded design of the threaded connecting rod are determined according to specific conditions, so that the matching between the threaded connecting rod and the positioning nut is ensured to be firm and reliable, the position of the steel arch can be effectively fixed on the mounting frame, the unstable factors caused by forward and backward movement are avoided, the supporting seat is hinged with the vertical connecting rod, the mounting frame can be annularly moved on the vertical connecting rod to be matched with arch supports with different angles and radians, the supporting seat allows the steel arch to rotate and adjust on the vertical connecting rod so as to adapt to the shape and design requirements of a tunnel, and the flexibility of the connecting mode can meet the requirements of different tunnel shapes and inclination angles, so that the good adaptability of the steel arch and a tunnel structure is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a mounting frame according to the present utility model;
FIG. 3 is a schematic view of a telescopic structure according to the present utility model;
Fig. 4 is a schematic view of the jack structure of the present utility model.
In the figure: 1. a fixing seat; 101. a bracket; 2. an annular support; 201. a mounting rod; 3. a jack; 301. a transverse connecting rod; 302. a vertical connecting rod; 4. a mounting frame; 401. a longitudinal connecting rod; 402. a threaded connecting rod; 403. positioning a nut; 404. a support rod; 405. and a supporting seat.
Detailed Description
The features of the present utility model and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
Examples: as shown in fig. 1-4, the present embodiment specifically relates to an auxiliary installation device for a tunnel primary support arch frame, including: a fixing seat 1; the annular support 2 is fixedly arranged at the top end of the fixed seat 1, two mounting rods 201 are fixedly arranged at the bottom end of the annular support 2, and the bottom ends of the mounting rods 201 are fixedly connected with the top end of the fixed seat 1; the jack 3 is fixedly arranged in the middle of the top end of the fixed seat 1, and a vertical connecting rod 302 is arranged at the top end of the jack 3; the mounting frame 4 is movably mounted at the top end of the vertical connecting rod 302; the mounting frame 4 is in an arc-shaped arrangement, the longitudinal connecting rods 401 are fixedly arranged in the middle of the mounting frame 4, the threaded connecting rods 402 are fixedly arranged at the left end and the right end of the mounting frame 4, and two positioning nuts 403 are arranged above the two threaded connecting rods 402, wherein when the mounting frame works, the steel arch frame is placed on the longitudinal connecting rods 401 and the two threaded connecting rods 402 of the mounting frame, the mounting frame 4 is in an arc shape, the radian of the steel arch frame can be well attached, and when the mounting frame is moved to a proper installation position, the positioning nuts 403 on the two threaded connecting rods 402 on the two sides are adjusted, so that the steel arch frame is limited to move back and forth on the mounting frame 4; then the lower jack screw is rotated to lift the mounting frame 4 to a proper position; finally, the mounting frame 4 is rotated in the circumferential direction, the circumferential position is adjusted, and auxiliary mounting is performed.
On the basis of the above embodiment, in this embodiment, the middle part of the jack 3 is rotatably provided with the transverse connection rod 301, the middle part of the top end of the annular support 2 is provided with a through hole, the vertical connection rod 302 penetrates through the through hole of the annular support 2, the vertical connection rod 302 can move up and down through the rotation of the transverse connection rod 301, and the vertical connection rod 302 penetrates through the upper annular support 2 to be connected with the mounting frame 4, so that the mounting frame 4 can be driven to move up and down.
On the basis of the above embodiment, in this embodiment, the support rods 404 are fixedly installed at the front end and the rear end of the bottoms of the longitudinal connecting rod 401 and the threaded connecting rod 402, the bottom ends of the six support rods 404 are fixedly connected with the support seats 405, the bottom ends of the support seats 405 are connected with the top ends of the vertical connecting rods 302 through hinges, the upper parts of the connecting rods are connected with the mounting frame 4, and the six support rods 404 are connected with the support seats 405 in a gathering manner, and the mounting frame 4 can rotate on the vertical connecting rods 302 in a circumferential direction through the hinge connection of the support seats 402 and the vertical connecting rods 302.
On the basis of the above embodiment, in this embodiment, three brackets 101 are fixedly mounted at the bottom end of the fixing seat 1, and the three brackets 101 are arranged in a triangle, and are supported on the ground by the lower triangular bracket, so as to mainly bear the weight of the upper steel arch.
Claims (6)
1. An auxiliary installation device for an initial support arch frame of a tunnel, which is characterized by comprising:
A fixing seat;
The annular support is fixedly arranged at the top end of the fixing seat, two mounting rods are fixedly arranged at the bottom end of the annular support, and the bottom ends of the mounting rods are fixedly connected with the top end of the fixing seat;
the jack is fixedly arranged in the middle of the top end of the fixed seat, and a vertical connecting rod is arranged at the top end of the jack;
the mounting bracket, its movable mounting in the top of vertical connecting rod.
2. The auxiliary installation device for a tunnel primary support arch according to claim 1, wherein: the jack middle part rotates installs transverse connection pole, the through-hole has been seted up at annular support's top middle part, vertical connecting rod runs through annular support's through-hole sets up.
3. The auxiliary installation device for a tunnel primary support arch according to claim 1, wherein: the mounting frame is the arc setting, the middle part fixed mounting of mounting frame has longitudinal connecting rod, the equal fixed mounting in both ends has the threaded connection pole about the mounting frame.
4. A tunnel primary support arch auxiliary mounting device according to claim 3, wherein: two positioning nuts are arranged above the two threaded connecting rods.
5. A tunnel primary support arch auxiliary mounting device according to claim 3, wherein: the vertical connecting rod with both ends are all fixed mounting has the bracing piece around the bottom of screw thread connecting rod, six the bottom of bracing piece is gathered the department and is provided with the supporting seat and all with supporting seat fixed connection, the bottom of supporting seat with the vertical connecting rod top passes through hinged joint.
6. The auxiliary installation device for a tunnel primary support arch according to claim 1, wherein: three supports are fixedly arranged at the bottom end of the fixing seat, and the three supports are arranged in a triangular mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493065.1U CN220791263U (en) | 2023-09-14 | 2023-09-14 | Auxiliary installation device for tunnel primary support arch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493065.1U CN220791263U (en) | 2023-09-14 | 2023-09-14 | Auxiliary installation device for tunnel primary support arch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791263U true CN220791263U (en) | 2024-04-16 |
Family
ID=90629398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493065.1U Active CN220791263U (en) | 2023-09-14 | 2023-09-14 | Auxiliary installation device for tunnel primary support arch frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791263U (en) |
-
2023
- 2023-09-14 CN CN202322493065.1U patent/CN220791263U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107335948B (en) | A kind of quick assembly tool of T profile | |
| CN115570306A (en) | Auxiliary welding device for tubular bus | |
| CN107414753B (en) | Aircraft undercarriage dismouting equipment | |
| CN109372240A (en) | All steel attachment type raise scaffold | |
| CN220791263U (en) | Auxiliary installation device for tunnel primary support arch frame | |
| CN219690338U (en) | Jacking device with automatic deviation correcting function | |
| CN116131187B (en) | Cable installation accessory | |
| CN213926421U (en) | Front and rear universal dismountable suspension forklift mechanism of tractor | |
| CN209293393U (en) | All steel attachment type raise scaffold | |
| CN209261184U (en) | A kind of construction operation platform | |
| CN219298831U (en) | Positioning device convenient to adjust and used for installing inclined column steel structure | |
| CN220036702U (en) | Tunnel supporting device with auxiliary support | |
| CN218778723U (en) | Operation device for lifting reinforcement cage | |
| CN219768157U (en) | Special tool for disassembly and overhaul of large-sized unit water inlet ball valve servomotor | |
| CN219689285U (en) | Overhauling device for roadway repairing machine | |
| CN219638493U (en) | Template supporting structure for building engineering construction | |
| CN219366077U (en) | Installation trolley capable of adjusting arch frame installation angle | |
| CN215974681U (en) | Land fixed crane | |
| CN211547725U (en) | Self-adjusting steel pipe pile guide frame | |
| CN218539066U (en) | Auxiliary moving tool and system for clamping plates for assembling cross beam bracket | |
| CN218418884U (en) | Steel desk easy to assemble | |
| CN219794722U (en) | Steel beam connection auxiliary frame | |
| CN219408848U (en) | Oil tank wallboard hoisting mechanism | |
| CN215256583U (en) | Wind turbine generator system yaw brake dismouting auxiliary device | |
| CN219638386U (en) | Fixed bolster for building engineering template |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |