CN211646322U - Soil pressure cell installation fixing device - Google Patents
Soil pressure cell installation fixing device Download PDFInfo
- Publication number
- CN211646322U CN211646322U CN201922008161.6U CN201922008161U CN211646322U CN 211646322 U CN211646322 U CN 211646322U CN 201922008161 U CN201922008161 U CN 201922008161U CN 211646322 U CN211646322 U CN 211646322U
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- soil pressure
- pressure cell
- fixing device
- fixed
- sliding
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Abstract
The utility model discloses a soil pressure cell mounting and fixing device, which comprises a telescopic fixing device and a telescopic supporting device connected on the fixing device, wherein the fixing device comprises a fixed end, a sliding end and an anti-drop guide rail, one end of the fixed end is connected with one end of the supporting device, and the other end of the supporting device is used for mounting a soil pressure cell; the other end of the fixed end is connected with the sliding end through an anti-drop guide rail; the fixed end and the sliding end can be hooked and fixed on a steel arch frame or a steel bar net; a first adjusting mechanism used for adjusting and locking the relative position of the fixed end and the sliding end is arranged between the fixed end and the sliding end. The utility model discloses lay soil pressure cell at tunnel annular optional position with the help of steel bow member or reinforcing bar net, break away from traditional soil pressure cell and need be in the help of instrument or welded fastening's limitation when the installation, and the installation is simple, and the practicality is strong.
Description
Technical Field
The utility model relates to a tunnel engineering monitoring and measuring equipment field specifically is a soil pressure cell installation fixing device.
Background
In recent years, with the development of domestic traffic industry, the specific gravity of a tunnel in traffic route design is getting larger, the new Olympic construction is a common tunnel construction method at present, monitoring and measurement are important in the new Olympic construction, a basis is provided for dynamic design and information construction of the tunnel, the safety of construction is ensured, and experience can be accumulated for the development of tunnel design theory. The mechanical dynamics and the stability of surrounding rocks and supports in the construction process are mastered through monitoring of a construction site, and information basis is provided for evaluating and modifying primary support parameters, mechanical analysis and secondary lining construction time; the construction organization design is optimized through information feedback and prediction forecast, the site construction is guided, and the safety and the quality of the tunnel construction and the social, economic and environmental benefits of engineering projects are ensured.
The earth pressure cell is a device widely used for monitoring surrounding rock lining pressure in tunnel monitoring and measuring, timely modifies supporting parameters through analysis of detection data, guides construction, and ensures safety of tunnel construction. The tunnel soil pressure cell is a common device for testing soil stress on site, and is widely applied to the field of geotechnical engineering such as slopes, roadbeds, foundation pits, dams, soil dams, tunnels and the like. In tunnel engineering construction, the surrounding rock pressure of each point of a tunnel is often monitored to ensure the safety of construction and operation. At present, the tunnel soil pressure box is mainly installed between a primary support and a secondary lining for measuring the surrounding rock pressure.
The burying of the soil pressure cell requires that the soil pressure cell is in good contact with a stress surface, so that the fixing surface of the soil pressure cell is attached to a relatively immovable surface in the installation and fixing process, and the soil pressure cell plays a role in stabilizing. In tunnel monitoring and measuring, the earth pressure cell is generally installed by contacting with immovable bodies such as reinforcing mesh, steel arch frames and the like, so as to fix the earth pressure cell between surrounding rocks or linings. The existing soil pressure cell is often required to be welded or a tool is required in the fixing and mounting process, the mounting process is complex, the operation in a narrow space is inconvenient, the time is long, and the mounting efficiency is low. Therefore, in order to solve the above problems, it is necessary to modify the existing installation and fixing device to improve the installation efficiency and ensure the normal operation of the equipment.
Disclosure of Invention
The utility model discloses mainly solve not enough among the above-mentioned problem, provide a soil pressure and installation fixing device, lay the soil pressure box at tunnel annular optional position with the help of steel bow member or reinforcing bar net, break away from traditional soil pressure box and need be with the help of instrument or welded fastening's limitation when the installation, and the installation is simple, and the practicality is strong.
For realizing the purpose of the device, the utility model discloses the scheme of going to adopt does:
a soil pressure cell mounting and fixing device comprises a telescopic fixing device and a telescopic supporting device connected to the fixing device, wherein the fixing device comprises a fixed end, a sliding end and an anti-falling guide rail, one end of the fixed end is connected with one end of the supporting device, and the other end of the supporting device is used for mounting a soil pressure cell; the other end of the fixed end is connected with the sliding end through an anti-drop guide rail; the fixed end and the sliding end can be hooked and fixed on a steel arch frame or a steel bar net; a first adjusting mechanism used for adjusting and locking the relative position of the fixed end and the sliding end is arranged between the fixed end and the sliding end.
The first adjusting mechanism comprises an adjusting bolt, a one-way gear structure and a rack, the rack is installed at the sliding end and is parallel to the anti-falling guide rail, the adjusting bolt penetrates through the fixed end, the adjusting bolt can freely rotate in a hole through which the adjusting bolt penetrates on the fixed end, a gear in the one-way gear structure is coaxially connected with the adjusting bolt, and the gear in the one-way gear structure is meshed with the rack.
The adjusting bolt penetrates through the sliding end, a hole for the adjusting bolt to penetrate through is a long hole, and the long hole is parallel to the anti-falling guide rail.
The end of the fixed end, which is far away from the sliding end, is provided with a U-shaped part, and the end of the sliding end, which is far away from the fixed end, is provided with a U-shaped part; the fixed end and the sliding end can be hooked and fixed on a steel arch frame or a steel bar net by utilizing the U-shaped part.
The bottom edge of the U-shaped part is provided with a rubber pad.
The supporting device comprises a sleeve, a supporting rod and a tray, one end of the sleeve is fixedly connected with the fixed end, one end of the supporting rod is arranged in the other end of the sleeve, the supporting rod can slide along the sleeve, the other end of the supporting rod is fixedly connected with the tray, and the tray is used for mounting the soil pressure cell; a spring for applying thrust to the support rod is arranged in the sleeve.
The tray is of an equilateral triangle structure, a cylindrical support with the length slightly shorter than the thickness of the soil pressure cell is arranged at three top points on one side of the tray, and the center of the other side of the tray is fixedly connected with the supporting rod.
The height of the cylindrical support is not less than two-thirds of the thickness of the soil pressure cell.
Compare with current soil pressure cell fixing device, the utility model has the advantages of as follows:
the soil pressure cell mounting and fixing device of the utility model ensures the position between the fixed end and the sliding end to be adjustable through the anti-drop guide rail, so that the fixing device can be suitable for mounting positions with different lengths; the first adjusting mechanism is utilized to adjust the distance between the fixed end and the sliding end, and the fixed end and the sliding end are locked with each other after the position is adjusted, so that the relative position of the fixed end and the sliding end is fixed. The utility model discloses can lay the soil pressure cell at tunnel annular optional position with the help of steel bow member or reinforcing bar net, break away from traditional soil pressure cell and need be in the help of instrument or welded fastening's limitation when the installation, and the installation is simple, and the practicality is strong.
Drawings
Fig. 1 is a three-dimensional schematic view of the structure of the soil pressure cell mounting and fixing device of the present invention;
FIG. 2 is a three-dimensional schematic view of a fixing device in the soil pressure cell mounting and fixing device of the present invention;
FIG. 3 is a three-dimensional schematic view of a bottom gear device of the fixing device of the present invention;
fig. 4 is a three-dimensional schematic view of the supporting device of the present invention;
FIG. 5 is a schematic view of a first installation mode of the device of the present invention;
fig. 6 is a schematic view of a second installation method of the device of the present invention.
In the figure, 1-fixed end, 2-sliding end, 3-adjusting bolt, 4-anti-falling guide rail, 5-sleeve, 6-support rod, 7-tray, 8-one-way gear structure, 9-rubber pad, 10-rack, 11-spring, 12-steel arch frame, and 13-steel bar net.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1, 5 and 6, the soil pressure cell installation fixing device of the present invention comprises a telescopic fixing device and a telescopic supporting device connected to the fixing device, the fixing device comprises a fixed end 1, a sliding end 2 and an anti-drop guide rail 4, one end of the fixed end 1 is connected to one end of the supporting device, and the other end of the supporting device is used for installing the soil pressure cell; the other end of the fixed end 1 is connected with the sliding end 2 through an anti-drop guide rail 4; the fixed end 1 and the sliding end 2 can be hooked and fixed on a steel arch frame or a steel bar net; a first adjusting mechanism for adjusting and locking the relative position of the fixed end 1 and the sliding end 2 is further arranged between the fixed end 1 and the sliding end 2.
As the preferred embodiment of the present invention, referring to fig. 1 to 3, the first adjusting mechanism includes adjusting bolt 3, one-way gear structure 8 and rack 10, rack 10 is installed in slip end 2, rack 10 is parallel with anticreep guide rail 4, adjusting bolt 3 runs through stiff end 1, adjusting bolt 3 can supply free rotation in the hole that adjusting bolt 3 passed on stiff end 1, gear and 3 coaxial coupling of adjusting bolt in the one-way gear structure 8, the wheel and the rack 10 meshing in the one-way gear structure 8.
As a preferred embodiment of the present invention, referring to fig. 3, the adjusting bolt 3 penetrates the sliding end 2, and the hole on the sliding end 2 through which the adjusting bolt 3 passes is a long hole, which is parallel to the anti-dropping guide rail 4.
As a preferred embodiment of the present invention, referring to fig. 1, 2, 5 and 6, a U-shaped portion is disposed at an end of the fixed end 1 away from the sliding end 2, and a U-shaped portion is disposed at an end of the sliding end 2 away from the fixed end 1; the fixed end 1 and the sliding end 2 can be hooked and fixed on a steel arch frame or a steel bar net by utilizing the U-shaped part.
Referring to fig. 2, a rubber pad 9 is provided on the bottom side of the U-shaped portion as a preferred embodiment of the present invention.
As a preferred embodiment of the present invention, referring to fig. 1, 2 and 4, the supporting device comprises a sleeve 5, a supporting rod 6 and a tray 7, one end of the sleeve 5 is fixedly connected with the fixed end 1, one end of the supporting rod 6 is arranged in the other end of the sleeve 5, the supporting rod 6 can slide along the sleeve 5, the other end of the supporting rod 6 is fixedly connected with the tray 7, and the tray 7 is used for installing the soil pressure cell; a spring 11 for applying a pushing force to the support rod 6 is provided in the sleeve 5.
As a preferred embodiment of the present invention, referring to fig. 1 and fig. 4 to fig. 6, the tray 7 is an equilateral triangle structure, and one side of the tray 7 is provided with a cylindrical support with a length slightly shorter than the thickness of the soil pressure cell at three vertexes, so as to ensure that the soil pressure cell does not drop down when being vertically installed, and the center of the other side of the tray 7 is fixedly connected with the support rod 6.
As a preferred embodiment of the present invention, the height of the cylindrical support is generally not less than two-thirds of the thickness of the soil pressure cell.
The utility model discloses in, stiff end 1, slip end 2, adjusting bolt 3, anticreep guide rail 4, sleeve 5, bracing piece 6, tray 7, unidirectional gear structure 8, rack 10 and spring 11 are steel, sleeve 5 and stiff end 1 welding, bracing piece 6 and tray 7 welding.
Examples
As shown in fig. 1, 2 and 4, the soil pressure cell installation fixing device of the present embodiment includes a fixing device and a supporting device.
Fixing device includes stiff end 1 to and slip end 2, has adjusting bolt 3 on stiff end 1, and adjusting bolt 3 adjusts the gear revolve of one-way gear structure 8, and the gear revolve back is driven rather than meshing rack 10, because rack 10 installs on slip end 2, slip end 2 relies on the drive power of rack 10 and anticreep guide rail 4 to stiff end relative motion, thereby reaches and tightens up fixed purpose.
The supporting device comprises a tray 7 used for supporting the soil pressure cell on the surrounding rock, the tray 7 is in the shape of an isosceles triangle, the center of the tray is welded with one end of a supporting rod 6, a spring 11 is arranged in a sleeve 5, one end of the supporting rod 6 is arranged in the sleeve 5 and pressed on the spring 11, and the spring 11 provides thrust for the supporting rod 6. One end of the sleeve 5 is welded on the fixed end 1.
During specific implementation, the soil pressure cell is placed in the tray 7, the fixed end 1 is buckled at the edge of a wing plate of the steel arch frame 12 or on a single steel bar of the steel mesh 13, the sliding end 2 is placed at a steel bar parallel to the wing plate at the other side of the steel arch frame or the single steel bar of the steel mesh, the fixed end 1 and the sliding end 2 are compressed, the whole soil pressure cell installation and fixing device is placed in a working space, and the soil pressure cell is supported on a measured rock body.
Through manual rotation adjusting bolt 3 for slip end 2 takes place relative motion along anticreep guide rail 4 to stiff end 1, and wherein rubber pad 9 plays buffering cushioning effect, also can increase the frictional force with between the steel construction simultaneously, makes the device firmly be fixed in on steel bow member and the reinforcing bar net.
Fig. 5 and 6 show two fixing and mounting manners of the device for mounting and fixing the soil pressure cell of the present invention.
The utility model has the advantages of, avoid using tools and welding to adjust fixing device interval through manual rotation adjusting bolt 3 and fix this device. The distance between the fixing devices is adjustable, the rubber pads 9 are used for achieving damping and buffering, friction force between the fixing devices and a steel structure is increased, the fixing devices can be suitable for steel arch frames and reinforcing steel bar nets of different specifications and models under different surrounding rock conditions by adopting different supporting parameters, and the application range of the fixing devices is widened.
The utility model discloses soil pressure cell installation fixing device controls inside one-way gear through the bolt on fixing device's the stiff end, makes the slip end tighten up to the stiff end slip, and fixing device both ends have the rubber pad can be inseparable fix on steel bow member or reinforcing bar net, but manual installation, and is simple swift.
The utility model discloses the device passes through telescopic spring sleeve device, with soil pressure cell top on the measured point of country rock, is difficult for taking place the displacement during the concrete injection operation, has reduced the disturbance to soil pressure cell.
The utility model provides a new fixing structure.
The utility model discloses the device is close for the material rigidity of steelwork and soil pressure cell, can further guarantee the accuracy of measurationing data.
Claims (7)
1. The soil pressure cell mounting and fixing device is characterized by comprising a telescopic fixing device and a telescopic supporting device connected to the fixing device, wherein the fixing device comprises a fixed end (1), a sliding end (2) and an anti-falling guide rail (4), one end of the fixed end (1) is connected with one end of the supporting device, and the other end of the supporting device is used for mounting a soil pressure cell; the other end of the fixed end (1) is connected with the sliding end (2) through an anti-drop guide rail (4); the fixed end (1) and the sliding end (2) can be hooked and fixed on a steel arch frame or a steel bar net; a first adjusting mechanism used for adjusting and locking the relative position of the fixed end (1) and the sliding end (2) is also arranged between the fixed end (1) and the sliding end (2).
2. The soil pressure cell mounting and fixing device of claim 1, wherein the first adjusting mechanism comprises an adjusting bolt (3), a one-way gear structure (8) and a rack (10), the rack (10) is mounted at the sliding end (2), the rack (10) is parallel to the anti-falling guide rail (4), the adjusting bolt (3) penetrates through the fixing end (1), the adjusting bolt (3) can freely rotate in a hole in the fixing end (1) for the adjusting bolt (3) to pass through, a gear in the one-way gear structure (8) is coaxially connected with the adjusting bolt (3), and a gear in the one-way gear structure (8) is meshed with the rack (10).
3. A soil pressure cell mounting and fixing device according to claim 2, characterized in that the adjusting bolt (3) penetrates through the sliding end (2), and the hole on the sliding end (2) for the adjusting bolt (3) to pass through is a long hole which is parallel with the anti-drop guide rail (4).
4. A soil pressure cell mounting and fixing device according to claim 1, wherein the end of the fixing end (1) far away from the sliding end (2) is provided with a U-shaped part, and the end of the sliding end (2) far away from the fixing end (1) is provided with a U-shaped part; the fixed end (1) and the sliding end (2) can be hooked and fixed on a steel arch frame or a steel bar net by utilizing the U-shaped part.
5. A soil pressure cell mounting fixture as claimed in claim 4 wherein the bottom edge of the U-shaped portion is provided with a rubber pad (9).
6. The soil pressure cell mounting and fixing device of claim 1, wherein the supporting device comprises a sleeve (5), a supporting rod (6) and a tray (7), one end of the sleeve (5) is fixedly connected with the fixing end (1), one end of the supporting rod (6) is arranged in the other end of the sleeve (5), the supporting rod (6) can slide along the sleeve (5), the other end of the supporting rod (6) is fixedly connected with the tray (7), and the tray (7) is used for mounting the soil pressure cell; a spring (11) for applying thrust to the support rod (6) is arranged in the sleeve (5).
7. A soil pressure cell mounting and fixing device as claimed in claim 6, wherein the tray (7) is of an equilateral triangle structure, one side of the tray (7) is provided with a cylindrical bracket with a length slightly shorter than the thickness of the soil pressure cell at three vertices, and the center of the other side of the tray (7) is fixedly connected with the support rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008161.6U CN211646322U (en) | 2019-11-19 | 2019-11-19 | Soil pressure cell installation fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008161.6U CN211646322U (en) | 2019-11-19 | 2019-11-19 | Soil pressure cell installation fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211646322U true CN211646322U (en) | 2020-10-09 |
Family
ID=72692616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922008161.6U Expired - Fee Related CN211646322U (en) | 2019-11-19 | 2019-11-19 | Soil pressure cell installation fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211646322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233641A (en) * | 2021-04-22 | 2022-10-25 | 上海市市政工程建设发展有限公司 | Ejection device for soil pressure box in underground cast-in-place structure and installation method of ejection device |
-
2019
- 2019-11-19 CN CN201922008161.6U patent/CN211646322U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233641A (en) * | 2021-04-22 | 2022-10-25 | 上海市市政工程建设发展有限公司 | Ejection device for soil pressure box in underground cast-in-place structure and installation method of ejection device |
| CN115233641B (en) * | 2021-04-22 | 2024-02-27 | 上海市市政工程建设发展有限公司 | Ejection device for soil pressure box in underground cast-in-situ structure and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |