CN213979080U - Subway foundation pit envelope monitoring devices - Google Patents
Subway foundation pit envelope monitoring devices Download PDFInfo
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- CN213979080U CN213979080U CN202022988689.7U CN202022988689U CN213979080U CN 213979080 U CN213979080 U CN 213979080U CN 202022988689 U CN202022988689 U CN 202022988689U CN 213979080 U CN213979080 U CN 213979080U
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Abstract
The application relates to a subway foundation pit enclosure structure monitoring device, which belongs to the field of subway foundation pit construction and comprises a mounting plate, a sensor arranged on the mounting plate, two sliding plates arranged on the mounting plate and two clamping plates arranged on the two sliding plates; the two sliding plates correspond to the two clamping plates one by one, the two clamping plates are positioned between the two sliding plates, the clamping plates are arc-shaped plates, and concave surfaces of the two clamping plates are oppositely arranged; and a driving mechanism for driving the two sliding plates to synchronously and reversely slide is arranged between the two sliding plates. This application drives the sliding plate relative slip through actuating mechanism, makes two splint centre grippings on the support column, and then fixes the sensor on the support column, promotes the stability of sensor on the support column effectively, and the sensor of being convenient for monitors envelope.
Description
Technical Field
The application relates to the field of subway foundation pit construction, in particular to a subway foundation pit enclosure monitoring device.
Background
Before the subway construction, a foundation pit needs to be excavated, after the foundation pit is excavated, a building enclosure is arranged in the foundation pit to enhance the stability of the foundation pit, and after the foundation pit is stabilized, the subsequent construction is carried out.
In the related art, the enclosure structure is composed of a plurality of support columns, after the enclosure structure is installed, sensors are often installed on the support columns to monitor the inclination degrees of the support columns, and whether the support of the enclosure structure is firm or not is judged according to the inclination degrees, so that whether follow-up operation can be performed on the foundation pit or not is judged. The process of mounting the sensor to the support post is cumbersome and the stability of the sensor on the support post is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability of sensor on the support column, this application provides a subway foundation pit envelope monitoring devices.
The application provides a subway foundation pit envelope monitoring devices adopts following technical scheme:
a subway foundation pit enclosure structure monitoring device comprises a mounting plate, a sensor arranged on the mounting plate and two sliding plates which are connected to the mounting plate in a sliding mode; each sliding plate is provided with a clamping plate, the two clamping plates are positioned between the two sliding plates, the clamping plates are arc-shaped plates, and concave surfaces of the two clamping plates are oppositely arranged; and a driving mechanism for driving the two sliding plates to synchronously and reversely slide is arranged between the two sliding plates.
By adopting the technical scheme, the staff controls the two sliding plates to slide through the driving mechanism, drives the two clamping plates to move to the concave surfaces of the clamping plates to abut against the supporting column, so that the mounting plate can be fixed on the supporting column, the sensor is further fixed on the supporting column, the stability of the sensor on the supporting column is effectively improved, and the follow-up monitoring on the enclosure structure is facilitated.
Optionally, the driving mechanism includes two first screws respectively screwed on the two sliding plates and a connecting rod disposed between the two first screws, the connecting rod coincides with the axes of the two first screws, the connecting rod is located between the two sliding plates, and the screw threads on the two first screws have opposite directions.
Through adopting above-mentioned technical scheme, rotate one of them two first screw rods and can make two sliding plates carry out synchronous reverse slip, simple structure and easy to carry out.
Optionally, one end of the first screw rod, which is far away from the connecting rod, is in threaded connection with a nut, the nut is located on one side of the sliding plate, which is far away from the connecting rod, the number of the nuts is two, and the two nuts are in one-to-one correspondence with the two first screw rods.
Through adopting above-mentioned technical scheme, the staff rotates first screw rod and makes two sliding plates relative slip back until two splint press from both sides on the support column, and swivel nut makes the nut butt on the sliding plate that corresponds, and the nut has fixed the position of sliding plate on first screw rod, prevents that the sliding plate from receiving the pressure of support column and moving on first screw rod to it is better to make the fixed effect of sensor on the support column.
Optionally, a hand wheel is arranged at one end, away from the connecting rod, of the first screw rod, and the hand wheel is located on one side, away from the sliding plate, of the nut.
Through adopting above-mentioned technical scheme, the hand wheel makes the first screw rod of more convenient rotation of staff, makes things convenient for the slip of staff through two sliding plates of first screw rod control.
Optionally, the clamping plate is an elastic plate, and an adjusting mechanism for adjusting the arc radius of the clamping plate is arranged on the connecting plate.
Through adopting above-mentioned technical scheme, adjustment mechanism makes splint can carry out the centre gripping to the support column of different radiuses, and then fixes the sensor on the support column of different radiuses, makes the holistic suitability of monitoring devices stronger.
Optionally, the adjusting mechanism includes a connecting plate fixedly arranged on the sliding plate, an adjusting plate fixedly arranged on the connecting plate, and two second screws in threaded connection with the adjusting plate; the sunken bottom and the connecting plate fixed connection of splint, two the second screw rod is located the both ends of splint respectively, the second screw rod rotates with splint to be connected.
Through adopting above-mentioned technical scheme, the connecting plate is fixed with the mid portion of splint, and the rotatory second screw rod of staff, second screw rod drive the arc both ends that correspond splint and are close to or keep away from the regulating plate, and then make the arc radius of splint change in order to adapt to different radial support columns, simple structure and the staff of being convenient for control.
Optionally, a plurality of rubber blocks are fixedly arranged on the clamping plate.
Through adopting above-mentioned technical scheme, the coefficient of static friction of block rubber is great, has increased the frictional force between splint and the support column, makes splint be difficult for taking place relative slip with the support column, has further promoted the stability of sensor on the support column.
Optionally, one end of the sliding plate, which is close to the mounting plate, is fixedly provided with a dovetail block, and the mounting plate is provided with a dovetail groove matched with the dovetail block.
Through adopting above-mentioned technical scheme, forked tail piece cooperatees with the dovetail on the mounting panel on the sliding plate, makes the slip process of sliding plate on the mounting panel simpler and more convenient, has increased the structural strength between sliding plate and the mounting panel simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the worker rotates the first screw to drive the sliding plates to slide relatively, so that the concave surfaces of the two clamping plates abut against and are attached to the surface of the support column, and the mounting plate is fixed on the support column through clamping of the clamping plates on the support column, so that the stability of the sensor on the support column is improved, and the subsequent sensor can conveniently monitor the enclosure structure;
2. the second screw penetrates through the adjusting plate and is in threaded connection with the adjusting plate, the second screw penetrates through the adjusting plate and then is fixed on the clamping plate, the clamping plate can be driven to be close to or far away from the adjusting plate by rotating the second screw, and then the radius of the clamping plate is adjusted to adapt to support columns with different sizes;
3. the dovetail block of sliding plate one end inlays in the dovetail on the mounting panel, and the dovetail block makes the slip of mounting panel more smooth and easy with the dovetail cooperation, improves the structural strength between sliding plate and the mounting panel simultaneously.
Drawings
FIG. 1 is a schematic view showing a structure in which a monitoring device is mounted to a support column;
FIG. 2 is a schematic view showing the construction of the monitoring device;
FIG. 3 is a cross-sectional view showing the position of the connecting rod;
FIG. 4 is a schematic view showing a positional relationship between the dovetail block and the dovetail groove.
Description of reference numerals: 1. mounting a plate; 2. a sensor; 3. a sliding plate; 31. a dovetail block; 32. a dovetail groove; 4. a splint; 41. a rubber block; 5. a drive mechanism; 51. a first screw; 511. a hand wheel; 52. a connecting rod; 53. a nut; 6. an adjustment mechanism; 61. a connecting plate; 62. an adjusting plate; 63. a second screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses subway foundation pit envelope monitoring devices. Referring to fig. 1 and 2, the monitoring device comprises a mounting plate 1, a sensor 2 fixedly arranged on one side of the mounting plate 1, two sliding plates 3 rotatably connected to one side of the mounting plate 1 far away from the sensor 2, and two clamping plates 4 arranged between the two sliding plates 3; the two sliding plates 3 are perpendicular to the mounting plate 1 and correspond to the two clamping plates 4 one by one, the clamping plates 4 are arranged in an arc shape, concave surfaces of the two clamping plates 4 are arranged oppositely, and a driving mechanism 5 used for driving the two sliding plates 3 to slide oppositely is further arranged on the mounting plate 1.
The staff makes two splint 4 butt and fix on the support column through two sliding plate 3 relative sliding of control mechanism control, can fix sensor 2 on the support column, and two splint 4 can improve the stability of sensor 2 on the support column effectively, and then monitor envelope.
Referring to fig. 2 and 3, the driving mechanism 5 includes two first screws 51, the screw thread directions of the two first screws 51 are opposite, the two first screws 51 are respectively connected to the two sliding plates 3 correspondingly and penetrate the two sliding plates 3, a connecting rod 52 is fixedly disposed between the two first screws 51, the connecting rod 52 is located between the two sliding plates 3, the connecting rod 52 and the axes of the two first screws 51 are overlapped and horizontally disposed, a fixing plate 52 is fixedly disposed on the mounting plate 1, and the connecting rod 52 penetrates the fixing plate 52 and is rotatably connected therewith, so that the two first screws 51 can rotate on the mounting plate 1. When the worker rotates one of the first screw rods 51, the two first screw rods 51 rotate synchronously, and due to the opposite thread directions of the two first screw rods 51, the two sliding plates 3 slide synchronously and reversely along the axial direction of the first screw rods 51 until the two clamping plates 4 are clamped on a support column in the building envelope, so that the sensor 2 is fixed on the support column. Meanwhile, the fixed plate 52 separates the connecting rod 52 from the mounting plate 1, so that the mounting plate 1 is prevented from interfering with the rotation of the first screw 51, and the sliding process of the two sliding plates 3 is smoother.
Referring to fig. 2, each first screw 51 is provided with a nut 53, the nut 53 is screwed on one end of the first screw 51 away from the connecting rod 52, and the nut 53 is located on one side of the sliding plate 3 away from the connecting rod 52; when the worker rotates the first screw 51 to enable the two clamping plates 4 between the two sliding plates 3 to clamp the supporting column, the nut 53 is rotated until the nut 53 abuts against the sliding plates 3, the nut 53 fixes the position of the sliding plates 3 on the first screw 51, so that the fixing strength between the sliding plates 3 and the first screw 51 is higher, the sensor 2 is effectively fixed on the supporting column, and the stability of the sensor 2 on the supporting column is improved.
Referring to fig. 2, the first screw 51 is further provided with a hand wheel 511, the hand wheel 511 is located at one end of the first screw 51 far away from the connecting rod 52, and the hand wheel 511 is located at one side of the corresponding nut 53 far away from the sliding plate 3, so that the hand wheel 511 is convenient for a worker to control the rotation of the first screw 51 more conveniently, and the rotation process is simpler and more convenient.
Referring to fig. 2, in order to fix the clamping plates 4 to support columns with different radii, the clamping plates 4 are elastic plates made of elastic materials, and an adjusting mechanism 6 for adjusting the arc radii of the clamping plates 4 is arranged between each clamping plate 4 and the corresponding sliding plate 3.
Referring to fig. 2, the adjusting mechanism 6 includes an adjusting plate 62 fixedly disposed on the connecting plate 61 and two second screws 63 respectively screwed to two ends of the adjusting plate 62, the adjusting plate 62 is an arc-shaped plate, the convex direction is consistent with the convex direction corresponding to the clamping plate 4, the connecting plate 61 is located in the middle of the adjusting plate 62, and the two second screws 63 all penetrate through the adjusting plate 62 and respectively correspond to the two ends of the clamping plate 4 far away from the connecting plate 61.
When the staff rotated the second screw 63, because the middle part of splint 4 is fixed by connecting plate 61, and splint 4 is the elastic plate, and splint 4's both ends are driven by second screw 63 and are close to or keep away from corresponding regulating plate 62, and splint 4's arc radius changes the support column in order to adapt to different radiuses promptly to fix sensor 2 to different radial support columns on, make monitoring devices's suitability stronger.
Referring to fig. 2, in order to improve the clamping effect of the clamping plate 4 on the support column, a plurality of rubber blocks 41 are fixedly arranged on one side of the clamping plate 4, which is far away from the adjusting plate 62, and the static friction coefficient of the rubber blocks 41 is large, so that the friction force between the clamping plate 4 and the support column is increased, and thus the sensor 2 on the other side of the mounting plate 1 is effectively fixed on the support column, and the sensor 2 is convenient to monitor the enclosure structure.
Referring to fig. 4, in order to make the sliding plate 3 slide on the mounting plate 1 more conveniently, a dovetail block 31 is disposed at one end of the sliding plate 3 close to the mounting plate 1, a dovetail groove 32 corresponding to the dovetail block 31 is formed in the mounting plate 1, the dovetail block 31 slides in the dovetail groove 32, so that the sliding plate 3 is not easy to fall off from the mounting plate 1, the structural strength between the two is improved, and the sliding of the sliding plate 3 is smoother.
The implementation principle of the subway foundation pit envelope monitoring device in the embodiment of the application is as follows: the staff places monitoring devices on envelope's support column, and rotatory hand wheel 511 makes two sliding plates 3 carry out synchronous reverse slip to make two splint 4 press from both sides on the support column, rotate second screw rod 63 again, adjust splint 4's arc radius, make a plurality of rubber blocks 41 on splint 4 closely laminate on the support column, can fix sensor 2 on the support column, improve sensor 2 stability on the support column effectively.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a subway foundation pit envelope monitoring devices which characterized in that: comprises a mounting plate (1), a sensor (2) arranged on the mounting plate (1) and two sliding plates (3) which are connected on the mounting plate (1) in a sliding way; each sliding plate (3) is provided with a clamping plate (4), the two clamping plates (4) are positioned between the two sliding plates (3), the clamping plates (4) are arranged to be arc-shaped plates, and concave surfaces of the two clamping plates (4) are oppositely arranged;
and a driving mechanism (5) for driving the two sliding plates (3) to synchronously and reversely slide is also arranged between the two sliding plates (3).
2. A subway pit envelope monitoring apparatus as claimed in claim 1, wherein: the driving mechanism (5) comprises two first screw rods (51) which are respectively in threaded connection with the two sliding plates (3) and a connecting rod (52) arranged between the two first screw rods (51), the connecting rod (52) is overlapped with the axes of the two first screw rods (51), the connecting rod (52) is positioned between the two sliding plates (3), and the thread directions of the two first screw rods (51) are opposite.
3. A subway pit envelope monitoring apparatus as claimed in claim 2, wherein: one end, far away from the connecting rod (52), of the first screw rod (51) is connected with a nut (53) in a threaded mode, the nut (53) is located on one side, far away from the connecting rod (52), of the sliding plate (3), the number of the nuts (53) is two, and the two nuts (53) correspond to the two first screw rods (51) in a one-to-one mode.
4. A subway pit envelope monitoring apparatus as claimed in claim 3, wherein: one end, far away from the connecting rod (52), of the first screw rod (51) is provided with a hand wheel (511), and the hand wheel (511) is located on one side, far away from the sliding plate (3), of the nut (53).
5. A subway pit envelope monitoring apparatus as claimed in claim 1, wherein: the clamping plate (4) is an elastic plate, and the sliding plate (3) is provided with an adjusting mechanism (6) for adjusting the arc radius of the clamping plate (4).
6. A subway pit envelope monitoring device according to claim 5, characterized in that: the adjusting mechanism (6) comprises a connecting plate (61) fixedly arranged on the sliding plate (3), an adjusting plate (62) fixedly arranged on the connecting plate, and two second screw rods (63) in threaded connection with the adjusting plate (62); the sunken bottom and connecting plate (61) fixed connection of splint (4), two second screw rod (63) are located the both ends of splint respectively, second screw rod (63) are connected with splint (4) rotation.
7. A subway pit envelope monitoring device according to claim 6, characterized in that: a plurality of rubber blocks (41) are fixedly arranged on the clamping plate (4).
8. A subway pit enclosure monitoring apparatus as claimed in any one of claims 1-7, wherein: one end of the sliding plate (3) close to the mounting plate (1) is fixedly provided with a dovetail block (31), and the mounting plate (1) is provided with a dovetail groove (32) matched with the dovetail block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988689.7U CN213979080U (en) | 2020-12-12 | 2020-12-12 | Subway foundation pit envelope monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022988689.7U CN213979080U (en) | 2020-12-12 | 2020-12-12 | Subway foundation pit envelope monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213979080U true CN213979080U (en) | 2021-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022988689.7U Active CN213979080U (en) | 2020-12-12 | 2020-12-12 | Subway foundation pit envelope monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213979080U (en) |
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2020
- 2020-12-12 CN CN202022988689.7U patent/CN213979080U/en active Active
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