CN209802543U - Soil pressure box pre-embedding device for monitoring soil pressure of tunnel - Google Patents
Soil pressure box pre-embedding device for monitoring soil pressure of tunnel Download PDFInfo
- Publication number
- CN209802543U CN209802543U CN201921006894.XU CN201921006894U CN209802543U CN 209802543 U CN209802543 U CN 209802543U CN 201921006894 U CN201921006894 U CN 201921006894U CN 209802543 U CN209802543 U CN 209802543U
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- China
- Prior art keywords
- soil pressure
- clamping
- mounting plate
- clamping plates
- monitoring
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- Expired - Fee Related
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Abstract
The utility model discloses a soil pressure cell pre-embedding device for monitoring the soil pressure of a tunnel, which comprises a mounting plate, a clamping mechanism and a centering mechanism; the clamping mechanism comprises clamping plates which are oppositely arranged on the mounting plate, first grooves are formed in the surfaces, opposite to the two clamping plates, of the two clamping plates, first lead screws are rotatably mounted in the first grooves, the rotating directions of threads on the first lead screws are opposite from the middle to the two ends, first nuts are oppositely arranged on the first lead screws, the first lead screws are rotatably connected with first hand wheels arranged outside the clamping plates, and the first nuts are fixedly connected with the clamping plates; the mounting plate is provided with a second groove, the centering mechanism is arranged in the second groove and connected with the clamping plate, a third groove is further arranged on the mounting seat and communicated with a wiring hole in the mounting plate. The utility model has the advantages of simple structure, stable clamping and convenient disassembly and assembly.
Description
Technical Field
The utility model relates to a tunnel detects technical field, especially relates to a soil pressure cell pre-buried device for tunnel soil pressure monitoring.
Background
The land road has wide breadth and various terrains, along with the progress of traffic construction, the mountain roads are gradually increased, and the tunnel is used as an important component of the mountain roads, so that a large amount of distance can be shortened, and the running time can be saved.
Need regularly detect after the tunnel construction is accomplished, under preventing long-term the use, tunnel performance changes and produces dangerous accident, wherein the soil pressure cell is used for monitoring the pressure variation of the inside soil body in tunnel, the bottom is pre-buried in the concrete when using, during the detection face buries the soil body of waiting to monitor, monitor for a long time the soil body, current soil pressure cell is mostly the cylinder, current pre-buried device mostly customizes for the soil pressure cell model according to chooseing for use, and is with high costs, can't realize generally, and the dismouting is inconvenient, and the efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a device that detects accuracy, the drive is stable, simple structure, convenient to use's highway tunnel soil pressure detection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a simple structure, centre gripping stability, easy dismounting's soil pressure cell pre-buried device is used in tunnel monitoring.
in order to achieve the above purpose, the utility model adopts the following technical scheme:
A soil pressure cell pre-embedding device for tunnel monitoring comprises an installation plate, a clamping mechanism and a centering mechanism; the clamping mechanism comprises clamping plates which are oppositely arranged on the mounting plate, first grooves are formed in the surfaces, opposite to the two clamping plates, of the two clamping plates, first lead screws are rotatably mounted in the first grooves, the rotating directions of threads on the first lead screws are opposite from the middle to the two ends, first nuts are oppositely arranged on the first lead screws, the first nuts are slidably arranged in the first grooves, the first lead screws are rotatably connected with first hand wheels arranged outside the clamping plates, and the first nuts are fixedly connected with clamping plates; the mounting plate is provided with a second groove, the second groove is internally provided with the centering mechanism, the centering mechanism is connected with the clamping plate, the mounting plate is further provided with a third groove, the third groove is parallel to the second groove, and the third groove is communicated with a wiring hole in the mounting plate.
When using, place the soil pressure cell on the mounting panel, centering mechanism drives the grip block and centers on the soil pressure cell, after the centering is accomplished, rotatory every first hand wheel, first hand wheel drives first lead screw at first recess internal rotation, because the soon to opposite of first lead screw, consequently, the direction of motion of two first nuts is opposite, just so can drive two relative splint and do the horizontal motion that is close to or keeps away from, can accomplish the clamp of splint to the soil pressure cell like this, grip block and splint have accomplished the centre gripping of two mutually perpendicular directions respectively, can enough confirm the position of soil pressure cell, can fix it again, accomplish fixed back, wear out the wiring hole with the line of soil pressure cell from the third recess. The utility model discloses can stabilize and press from both sides tightly the soil pressure cell, and be applicable to the not soil pressure cell of equidimension at the tight in-process of clamp, the commonality is strong, and the dismouting of being convenient for improves the installation effectiveness.
As an optimization, centering mechanism is including rotating the installation the second lead screw in the second recess, the screw thread of second lead screw is rotated to opposite directions to both ends by the centre, the opposite direction is provided with the second nut on the second lead screw, the second nut with grip block fixed connection, the second lead screw with set up the manual connection of second in the mounting panel outside.
Like this, rotatory second hand wheel, second hand wheel drive second lead screw rotate, because the spiral of screw thread is opposite, consequently, the grip block can realize being close to or the motion of keeping away from, and then centers on and press from both sides tight soil pressure cell, can center to the soil pressure cell homoenergetic of different models, and the axis of soil pressure cell and the coincidence of the central line of second lead screw, has ensured the accuracy nature of installation.
As optimization, the surfaces opposite to the two clamping plates are provided with convex blocks, and the surfaces opposite to the convex blocks are provided with arc-shaped surfaces.
Therefore, the bump can increase the contact area with the soil pressure cell, and the contact area is changed from point contact to surface contact or multipoint contact, so that the stability is improved.
Preferably, the end parts of the surfaces, which are opposite to the two clamping plates, are provided with cambered surfaces.
Therefore, the cambered surface between the two clamping plates also increases the contact area with the soil pressure cell and increases the clamping stability.
Preferably, the height of the clamping plate is lower than the thickness of the soil pressure box.
Therefore, the influence of the clamp on the detection of the soil pressure cell is reduced, and the detection accuracy is maintained.
Preferably, a level gauge is arranged on the side face of the mounting plate.
Therefore, the level can ensure the installation angle of the installation plate and ensure that the mounting plate is vertical to the layer to be detected.
Preferably, the mounting plate is made of a steel plate.
Therefore, the deformation of the mounting plate under pressure is reduced, and the influence on the detection data is reduced.
Drawings
Fig. 1 is the utility model discloses a soil pressure cell pre-buried device's for tunnel soil pressure monitoring schematic structure diagram.
Fig. 2 is a top view of the soil pressure cell pre-burying device for monitoring tunnel soil pressure in fig. 1.
Fig. 3 is a schematic diagram of the positioning and clamping state of the soil pressure cell embedding device for monitoring tunnel soil pressure in fig. 1.
Fig. 4 is a schematic view of the structure of the mounting plate in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, an earth pressure cell pre-embedding device for monitoring earth pressure in a tunnel comprises an installation plate 1, a clamping mechanism and a centering mechanism; the clamping mechanism comprises clamping plates 11 which are oppositely arranged on the mounting plate 1, first grooves are formed in the surfaces, opposite to the two clamping plates 11, of the two clamping plates, first lead screws 12 are rotatably mounted in the first grooves, the rotating directions of threads on the first lead screws 12 are opposite from the middle to the directions of two ends, first nuts 13 are oppositely arranged on the first lead screws 12, the first nuts 13 are slidably arranged in the first grooves, the first lead screws 12 are rotatably connected with first hand wheels 14 arranged outside the clamping plates 11, and the first nuts 13 are fixedly connected with clamping plates 15; be provided with second recess 16 on the mounting panel 1, be provided with in the second recess 16 centering mechanism, centering mechanism with grip block 11 connects, still be provided with third recess 17 on the mounting panel 1, third recess 17 with second recess 16 parallel arrangement, third recess 17 with set up wiring hole 18 on the mounting panel 1 link up.
When using, place the soil pressure cell on the mounting panel, centering mechanism drives the grip block and centers on the soil pressure cell, after the centering is accomplished, rotatory every first hand wheel, first hand wheel drives first lead screw at first recess internal rotation, because the soon to opposite of first lead screw, consequently, the direction of motion of two first nuts is opposite, just so can drive two relative splint and do the horizontal motion that is close to or keeps away from, can accomplish the clamp of splint to the soil pressure cell like this, grip block and splint have accomplished the centre gripping of two mutually perpendicular directions respectively, can enough confirm the position of soil pressure cell, can fix it again, accomplish fixed back, wear out the wiring hole with the line of soil pressure cell from the third recess. The utility model discloses can stabilize and press from both sides tightly the soil pressure cell, and be applicable to the not soil pressure cell of equidimension at the tight in-process of clamp, the commonality is strong, and the dismouting of being convenient for improves the installation effectiveness.
In this embodiment, the centering mechanism includes the second lead screw 19 that rotates to install in the second recess 16, the screw thread of second lead screw 19 is opposite to both ends by the centre, the last subtend of second lead screw 19 is provided with second nut 2, second nut 2 with grip block 11 fixed connection, second lead screw 19 with set up the second hand wheel 21 rotation connection in the mounting panel 1 outside.
Like this, rotatory second hand wheel, second hand wheel drive second lead screw rotate, because the spiral of screw thread is opposite, consequently, the grip block can realize being close to or the motion of keeping away from, and then centers on and press from both sides tight soil pressure cell, can center to the soil pressure cell homoenergetic of different models, and the axis of soil pressure cell and the coincidence of the central line of second lead screw, has ensured the accuracy nature of installation.
In this embodiment, two surfaces opposite to the clamping plates 11 are provided with protrusions 22, and surfaces opposite to the protrusions 22 are provided with arc-shaped surfaces.
Therefore, the bump can increase the contact area with the soil pressure cell, and the contact area is changed from point contact to surface contact or multipoint contact, so that the stability is improved.
In this embodiment, the end portions of the surfaces opposite to the two clamping plates 15 are provided with arc surfaces.
therefore, the cambered surface between the two clamping plates also increases the contact area with the soil pressure cell and increases the clamping stability.
In this embodiment, the height of the clamping plate 15 is lower than the thickness of the soil pressure cell.
Therefore, the influence of the clamp on the detection of the soil pressure cell is reduced, and the detection accuracy is maintained.
In this embodiment, a level 23 is disposed on a side surface of the mounting plate 1.
Therefore, the level can ensure the installation angle of the installation plate and ensure that the mounting plate is vertical to the layer to be detected.
In this embodiment, the mounting plate 1 is made of a steel plate.
Therefore, the deformation of the mounting plate under pressure is reduced, and the influence on the detection data is reduced.
The working principle is as follows:
When the soil pressure box pressing device is used, the soil pressure box is placed on the mounting plate, the second hand wheel is rotated, the second lead screw rotates, the second nut on the second lead screw drives the clamping plate to get close to each other, the lug on the clamping plate centers the soil pressure box, the first hand wheel is rotated, the first nut on the first lead screw drives the two clamping plates to clamp the soil pressure box, the first hand wheel and the second hand wheel continue to rotate, and the pressing of the soil pressure box is completed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A soil pressure cell pre-embedding device for monitoring the soil pressure of a tunnel is characterized by comprising an installation plate, a clamping mechanism and a centering mechanism;
The clamping mechanism comprises clamping plates which are oppositely arranged on the mounting plate, first grooves are formed in the surfaces, opposite to the two clamping plates, of the two clamping plates, first lead screws are rotatably mounted in the first grooves, the rotating directions of threads on the first lead screws are opposite from the middle to the two ends, first nuts are oppositely arranged on the first lead screws, the first nuts are slidably arranged in the first grooves, the first lead screws are rotatably connected with first hand wheels arranged outside the clamping plates, and the first nuts are fixedly connected with clamping plates;
The mounting plate is provided with a second groove, the second groove is internally provided with the centering mechanism, the centering mechanism is connected with the clamping plate, the mounting plate is further provided with a third groove, the third groove is parallel to the second groove, and the third groove is communicated with a wiring hole in the mounting plate.
2. the soil pressure box embedding device for monitoring the soil pressure of the tunnel according to claim 1, wherein the centering mechanism comprises a second lead screw rotatably mounted in the second groove, threads of the second lead screw are oppositely screwed from the middle to two ends, a second nut is oppositely arranged on the second lead screw, the second nut is fixedly connected with the clamping plate, and the second lead screw is rotatably connected with a second hand wheel arranged on the outer side of the mounting plate.
3. The soil pressure cell pre-burying device for monitoring the soil pressure of the tunnel according to claim 2, wherein the surfaces opposite to the two clamping plates are provided with convex blocks, and the surfaces opposite to the convex blocks are provided with arc-shaped surfaces.
4. The soil pressure cell pre-burying device for monitoring tunnel soil pressure as claimed in claim 3, wherein the end of the surface opposite to the two clamping plates is provided with an arc surface.
5. the soil pressure cell pre-burying device for monitoring the soil pressure of the tunnel according to claim 4, wherein the height of the clamping plate is lower than the thickness of the soil pressure cell.
6. The soil pressure cell pre-burying device for monitoring tunnel soil pressure as claimed in claim 5, wherein a level gauge is arranged on the side surface of the mounting plate.
7. The soil pressure cell pre-burying device for monitoring tunnel soil pressure as claimed in claim 6, wherein the mounting plate is made of steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006894.XU CN209802543U (en) | 2019-07-01 | 2019-07-01 | Soil pressure box pre-embedding device for monitoring soil pressure of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006894.XU CN209802543U (en) | 2019-07-01 | 2019-07-01 | Soil pressure box pre-embedding device for monitoring soil pressure of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802543U true CN209802543U (en) | 2019-12-17 |
Family
ID=68817596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921006894.XU Expired - Fee Related CN209802543U (en) | 2019-07-01 | 2019-07-01 | Soil pressure box pre-embedding device for monitoring soil pressure of tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802543U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633585A (en) * | 2020-06-02 | 2020-09-08 | 山西恒跃锻造有限公司 | Height-adjustable bottom ring centering device |
| CN113340718A (en) * | 2021-07-20 | 2021-09-03 | 浙江湾北工程勘察设计有限公司 | A vertical placement equipment of pressure cell for testing ground mechanical properties in ground experiment |
| CN113586038A (en) * | 2021-07-13 | 2021-11-02 | 大连地铁集团有限公司 | Method for installing soil pressure gauge in duct piece prefabricating process |
-
2019
- 2019-07-01 CN CN201921006894.XU patent/CN209802543U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633585A (en) * | 2020-06-02 | 2020-09-08 | 山西恒跃锻造有限公司 | Height-adjustable bottom ring centering device |
| CN113586038A (en) * | 2021-07-13 | 2021-11-02 | 大连地铁集团有限公司 | Method for installing soil pressure gauge in duct piece prefabricating process |
| CN113586038B (en) * | 2021-07-13 | 2024-03-22 | 大连地铁集团有限公司 | Method for installing soil pressure gauge in duct piece prefabrication process |
| CN113340718A (en) * | 2021-07-20 | 2021-09-03 | 浙江湾北工程勘察设计有限公司 | A vertical placement equipment of pressure cell for testing ground mechanical properties in ground experiment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20200701 |