CN218376578U - Shield tunnel can dismantle monitoring point device - Google Patents
Shield tunnel can dismantle monitoring point device Download PDFInfo
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- CN218376578U CN218376578U CN202222468171.XU CN202222468171U CN218376578U CN 218376578 U CN218376578 U CN 218376578U CN 202222468171 U CN202222468171 U CN 202222468171U CN 218376578 U CN218376578 U CN 218376578U
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- reflection diaphragm
- spring clamp
- extrusion
- shield tunnel
- monitoring point
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Abstract
The utility model belongs to the technical field of shield tunnel construction and operation maintenance technique and specifically relates to a shield tunnel can dismantle monitoring point device, including spring clamp, extrusion fixing device and reflection diaphragm target, the middle part of spring clamp has the spring, the one end of spring clamp is the nip end that can open and shut, both sides the nip end is connected with respectively extrusion fixing device, one of them extrusion fixing device can extrude to be fixed on the horizontal plane of section of jurisdiction structure, another extrusion fixing device can extrude to be fixed on the vertical face of section of jurisdiction structure, the other end of spring clamp is connected reflection diaphragm target. The utility model has the advantages that: the method has the advantages that the method plays a role in fixing by using the connection mode of friction and the shield segment, and the structure of the shield segment is not damaged; the reflection diaphragm support can 360 degrees rotations, and the total station can aim at the direction increase of reflection diaphragm, makes things convenient for the total station to establish the station monitoring.
Description
Technical Field
The utility model belongs to the technical field of shield tunnel construction and operation maintenance technique and specifically relates to a shield tunnel can dismantle monitoring point device, can regard as shield tunnel's monitoring point device, also can regard as the back sight point that shield tunnel measured or monitored simultaneously.
Background
In the shield tunnel engineering deformation monitoring, the vertical displacement and clearance convergence of the segment structure are all items to be measured. The method for implanting the embedded parts through drilling and glue filling is not feasible because the segment structure of the shield tunnel cannot be damaged. Usually, a diaphragm type retro-reflector is used as a measuring point target, and the target is adhered to the surface of a tunnel segment structure or a segment fastening bolt. Because the adhesion form is adopted, the concrete surface of the segment structure and the fastening bolts are smooth, the phenomenon of falling off is easily caused due to viscosity reduction after a long time, the interruption of monitoring data is caused, and the continuity of the monitoring data cannot be guaranteed. The diaphragm type retro-reflector is of a thin-sheet structure, the direction of the diaphragm type retro-reflector cannot be adjusted, the center position of a cross wire of the reflecting diaphragm needs to be aligned during measurement, and when a plurality of monitoring sections are measured, a total station needs to be repeatedly moved to the station for alignment, so that the monitoring workload is increased, and the monitoring time is wasted. Meanwhile, most of the reflecting membranes cannot be recycled due to the texture and the influence of the tunnel environment, and resources are easily wasted when the tunnel is long.
Disclosure of Invention
The utility model aims at providing a shield tunnel can dismantle monitoring point device according to above-mentioned prior art's is not enough, provides a deployable extrusion fixing device of effect through the spring clamp to with device monolithic stationary on the basis of not destroying section of jurisdiction structure structurally, the structural design of cooperation reflection diaphragm target simultaneously realizes that its direction when using is adjusted and the use is accomplished recoverable.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a shield tunnel can dismantle monitoring point device installs on shield tunnel's section of jurisdiction is structural, its characterized in that: the reflecting film target comprises a spring clamp, extrusion fixing devices and a reflecting film target, wherein a spring is arranged in the middle of the spring clamp, one end of the spring clamp is an openable clamping port end, the clamping port ends on two sides are respectively connected with the extrusion fixing devices, one of the extrusion fixing devices can be fixed on a horizontal plane of a duct piece structure in an extrusion manner, the other extrusion fixing device can be fixed on a vertical plane of the duct piece structure in an extrusion manner, and the other end of the spring clamp is connected with the reflecting film target.
The extrusion fixing device comprises an extrusion bolt and a rubber gasket, the rubber gasket is hinged to the opening clamping end of the spring clamp, the periphery of the extrusion bolt is connected with a sleeve in a threaded fit mode, and the sleeve is connected with the spring clamp.
The rubber gasket is provided with an anti-skidding structure or an anti-skidding surface corresponding to the side surface of the segment structure.
The reflection diaphragm target comprises a reflection diaphragm, a stainless steel galvanized steel sheet, a reflection diaphragm support and a clamping piece, wherein the reflection diaphragm is adhered to the stainless steel galvanized steel sheet, the stainless steel galvanized steel sheet is connected with the reflection diaphragm support, the reflection diaphragm support is connected with the clamping piece, and the clamping piece is connected with the spring clamp.
The reflection diaphragm support is characterized in that a buckle is arranged in the buckle piece, one end of the reflection diaphragm support is detachably connected with the buckle, and a rubber support pad is arranged between the buckle piece and the reflection diaphragm support.
The buckle piece is hinged with the reflection diaphragm support.
The utility model has the advantages that:
1) The device is simple and convenient to operate, and can be assembled and disassembled by a single person;
2) The device plays a role in fixing by utilizing the mode of connecting friction force with the shield segment, and does not damage the structure of the shield segment;
3) The reflection diaphragm support can rotate by 360 degrees, and the direction of the total station which can aim at the reflection diaphragm is increased, so that the total station is convenient to set up and monitor;
4) The reflecting membrane can be accurately adhered to the stainless steel galvanized steel sheet, the adhesion is high, the stainless steel galvanized steel sheet is not easy to fall off, and the reflecting membrane is saved;
5) The device can be arranged on the side wall of the bolt hole of the shield segment, and compared with the device adhered to the fastening bolt, the device does not influence the re-fastening operation of the fastening bolt;
6) Because the friction coefficient of the rubber gasket and the concrete surface of the shield segment is large, the device is stable and firm after being clamped, not only can be used as a monitoring point, but also can be used as a rear view point for tunnel measurement work.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the usage state of the present invention;
FIG. 3 is a top view of the rubber gasket and the fastening bolt of the present invention;
FIG. 4 is a side view of the rubber gasket and the fastening bolt of the present invention;
fig. 5 is a schematic view of the connection structure of the middle reflection diaphragm support and the fastener of the present invention;
fig. 6 is a schematic structural view of the middle reflection diaphragm support of the present invention;
FIG. 7 is a schematic structural view of a fastening device of the present invention;
FIG. 8 is a schematic structural view of a rubber fulcrum in the present invention;
fig. 9 is a cross-sectional view of the spring of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-9, reference numerals 1-14 in the figures denote: the device comprises an extrusion bolt 1, a rubber gasket 2, a spring 3, a reflection diaphragm support 4, a stainless steel galvanized steel sheet 5, a spring clamp 6, a buckle piece 7, a reflection diaphragm 8, a sleeve 9, a segment structure 10, a hinge 11, a rubber support pad 12, a clamping end 13 and a buckle 14.
Example (b): as shown in fig. 1 to 9, the detachable monitoring point device for the shield tunnel in the embodiment is used for constructing monitoring points on segments of the shield tunnel, so as to be used for various monitoring operations of the shield tunnel.
As shown in fig. 1, the detachable monitoring point device main body in the present embodiment is composed of three parts: one is an extrusion fixing device mainly composed of an extrusion bolt 1 and a rubber gasket 2, and the extrusion fixing device is used for integrally fixing and installing the device on a segment structure, so that a stable foundation is provided for a reflecting membrane target, and the reflecting membrane target is ensured to keep static in the measuring process; the other is a spring clamp 6, the spring clamp 6 is used for connecting the extrusion fixing device and the reflection membrane target and controlling the extrusion fixing device to open and close at the same time; and the third is a reflecting membrane target mainly composed of a reflecting membrane support 4, a stainless steel coated steel sheet 5, a fastener 7 and a reflecting membrane 8, wherein the reflecting membrane 8 is the alignment position of the monitoring equipment.
Specifically, as shown in fig. 1 and 9, the spring 3 is disposed in the middle of the spring clamp 6, one end of the spring clamp 6 is a clamp opening end connected to the pressing and fixing device, and the other end is a handle end connected to the reflective membrane target. Under the action of the spring 3, when an operator applies force to one side of the handle end, the jaw end of the handle end can be changed from a closed state to an open state, as shown in fig. 1 and 2.
As shown in fig. 3 and 4, a group of extrusion fixing devices composed of an extrusion bolt 1 and a rubber gasket 2 are respectively arranged on two sides of the nip end, wherein a sleeve 9 is arranged on the periphery of the extrusion bolt 1, and the sleeve and the extrusion bolt form a thread fit connection, so that the extrusion bolt 1 can be screwed in and out; the sleeve 9 is connected to the body of the spring clamp 6. The rubber gasket 2 is arranged at the end part of the clamp body of the spring clamp 6 and is hinged through the hinge 11, so that the rubber gasket 2 can rotate around the hinge 11, and the direction switching is realized, thereby dealing with the segment structures 10 with different sizes and positions.
As shown in fig. 1 and 2, after the clamping mouth end of the spring clamp 6 is opened under the action of the spring 3, the extrusion fixing device on one side can be fixed on the horizontal plane of the segment structure 10, and the extrusion fixing device on the other side can be fixed on the vertical plane of the segment structure 10. Particularly, utilize articulated 11 rotatory rubber gasket 2 to make it can laminate completely with section of jurisdiction structure 10's horizontal plane or vertical face, then precession and the extrusion bolt 1 that rubber gasket 2 corresponds, make extrusion bolt 1 through 2 tops of rubber gasket tightly on the surface of section of jurisdiction structure 10 to it is fixed to realize the installation between extrusion fixing device and the section of jurisdiction structure 10. The extrusion bolt 1 at the arched part of the spring clamp 6 can balance the extrusion force of the rubber gasket 2 when being screwed down, so that the extrusion bolt not only acts on the end point of the clamping port of the spring clamp 6, thereby ensuring that the extrusion stress is more uniform.
In the present embodiment, in order to further improve the fixing stability of the pressing and fixing device, an anti-slip structure, such as an anti-slip pattern for increasing friction force, may be disposed on the corresponding side surface of the rubber gasket 2, and an anti-slip layer, such as a material layer with a relatively large friction coefficient, may also be disposed on the side surface of the rubber gasket 2. Meanwhile, the surface of the segment structure 10 can be slightly polished to be rough by using materials such as sand paper and the like on the basis of not damaging the segment structure 10, so that the contact area is increased, and the friction force is increased.
Referring to fig. 5 to 8, the reflective film 8 is adhered to the center of the stainless steel galvanized steel sheet 5, the stainless steel galvanized steel sheet 5 is connected to the reflective film support 4, the reflective film support 4 and the locking member 7 are detachably connected and fixed, and the locking member 7 is fixedly installed at the handle end of the spring clamp 6. The fastener 7 is provided with a buckle 14, the buckle 14 is positioned at the bottom of the mounting hole of the fastener 7, and the buckle 14 can adopt any buckle in the prior art, such as a claw-type spring buckle and the like; the bottom of reflection diaphragm support 4 is joint end 13, and this joint end 13 can block in the mounting hole of buckle 7 inside, and constitutes between the two and articulate, makes reflection diaphragm support 4 can rotate for the pivot by its joint end 13, and then makes reflection diaphragm 8 rotate to adaptable different monitoring needs and be convenient for switch use. A rubber support pad 12 is arranged between the buckling piece 7 and the reflection diaphragm support 4 to limit the reflection diaphragm support 4 and ensure the structural stability when in use.
As shown in fig. 1 and fig. 2, when the present embodiment is used, the following steps are included:
1) The surface area of the concrete where the segment structure 10 of the device is to be installed, which covers at least the area occupied by the rubber mat 2, is scraped off with sandpaper.
2) The spring 3 is used for opening the spring clamp 6, and the rubber gasket 2 is moved through the hinge 11 to be horizontally attached to the scraped concrete surface area of the segment structure 10; wherein the rubber gasket of one side is attached to the horizontal plane of the segment structure 10 and the rubber gasket of the other side is attached to the vertical plane of the segment structure 10.
3) And screwing in the two extrusion bolts 1 to fully extrude the rubber gasket 2 so as to achieve balanced extrusion stress and complete the integral installation and fixation of the device.
4) The reflecting membrane bracket 4 is clamped into a clamping piece 7 arranged at the handle end of the spring clamp 6, and a rubber support pad 12 is arranged in the clamping piece 7.
5) The angle of the reflection diaphragm 8 is adjusted by rotating the reflection diaphragm support 4 for monitoring.
6) After the use is finished, the fixed connection between the device and the segment structure 10 can be released by loosening the extrusion bolt 1 so as to be convenient for recycling; meanwhile, in the monitoring process, when the reflective membrane 8 has a problem, the reflective membrane target can be detached and replaced under the condition that the actual position of the monitoring point is not changed, so that the continuity and the accuracy of the monitoring process are ensured.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (6)
1. The utility model provides a shield tunnel can dismantle monitoring point device, installs structurally at shield tunnel's section of jurisdiction, its characterized in that: the reflecting film target comprises a spring clamp, extrusion fixing devices and a reflecting film target, wherein a spring is arranged in the middle of the spring clamp, one end of the spring clamp is an opening and closing clamping end, the clamping end on two sides is respectively connected with the extrusion fixing devices, one of the extrusion fixing devices can be fixed on a horizontal plane of a segment structure in an extrusion mode, the other extrusion fixing device can be fixed on a vertical plane of the segment structure in an extrusion mode, and the other end of the spring clamp is connected with the reflecting film target.
2. The shield tunnel detachable monitoring point device according to claim 1, wherein: the extrusion fixing device comprises an extrusion bolt and a rubber gasket, the rubber gasket is hinged to the opening clamping end of the spring clamp, the periphery of the extrusion bolt is connected with a sleeve in a threaded fit mode, and the sleeve is connected with the spring clamp.
3. The shield tunnel detachable monitoring point device according to claim 2, wherein: the rubber gasket is provided with an anti-skidding structure or an anti-skidding surface corresponding to the side surface of the duct piece structure.
4. The detachable monitoring point device for the shield tunnel according to claim 1, wherein: the reflection diaphragm target comprises a reflection diaphragm, a stainless steel galvanized steel sheet, a reflection diaphragm support and a clamping piece, wherein the reflection diaphragm is adhered to the stainless steel galvanized steel sheet, the stainless steel galvanized steel sheet is connected with the reflection diaphragm support, the reflection diaphragm support is connected with the clamping piece, and the clamping piece is connected with the spring clamp.
5. The shield tunnel detachable monitoring point device according to claim 4, wherein: the reflection diaphragm support is characterized in that a buckle is arranged in the buckle piece, one end of the reflection diaphragm support is detachably connected with the buckle, and a rubber support pad is arranged between the buckle piece and the reflection diaphragm support.
6. The detachable monitoring point device for the shield tunnel according to claim 4, wherein: the buckle piece is hinged with the reflection diaphragm support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222468171.XU CN218376578U (en) | 2022-09-19 | 2022-09-19 | Shield tunnel can dismantle monitoring point device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222468171.XU CN218376578U (en) | 2022-09-19 | 2022-09-19 | Shield tunnel can dismantle monitoring point device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218376578U true CN218376578U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222468171.XU Active CN218376578U (en) | 2022-09-19 | 2022-09-19 | Shield tunnel can dismantle monitoring point device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218376578U (en) |
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2022
- 2022-09-19 CN CN202222468171.XU patent/CN218376578U/en active Active
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