CN216689510U

CN216689510U - High-precision foundation pit horizontal displacement monitoring device

Info

Publication number: CN216689510U
Application number: CN202123301977.1U
Authority: CN
Inventors: 许家培; 徐宜威; 周熙阳; 杨磊
Original assignee: Yangzhou Kaiyuan Geotechnical Engineering Testing Co ltd
Current assignee: Yangzhou Kaiyuan Geotechnical Engineering Testing Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-07
Anticipated expiration: 2031-12-24

Abstract

The application discloses high accuracy foundation ditch horizontal displacement monitoring devices relates to foundation ditch monitoring technology field, improves monitoring point prism and exposes externally for a long time, receives external factors influence and the problem of damaging easily, including base, stand, backup pad, protecting box, mounting panel and prism, one side of diapire rotates in the protecting box and installs the screw rod, the lower extreme of screw rod is connected with and is used for driving screw rod pivoted actuating mechanism, the opposite side fixed mounting of diapire has the guide arm in the protecting box, the one end of supporting seat cup joint on the screw rod and with screw rod threaded connection, the other end slip of supporting seat cup joints on the guide arm. This application is through the setting of protective housing, supporting seat, screw rod, actuating mechanism and guide arm, when need not using the prism, can descend the prism to the protective housing in, makes the protective housing protect the prism, reduces the influence that external factor caused to the prism, reduces the impaired probability of prism.

Description

High-precision foundation pit horizontal displacement monitoring device

Technical Field

The application relates to the foundation pit monitoring field, especially relates to a high accuracy foundation pit horizontal displacement monitoring devices.

Background

The foundation pit needs to be dug on the ground in the building construction, the soil body on the side wall of the foundation pit tends to move towards the inside of the foundation pit along with the digging-out of the soil body in the foundation pit, and the horizontal displacement refers to the displacement perpendicular to the foundation pit in the horizontal direction of the top of the side wall of the foundation pit. The horizontal deformation of the soil body needs to be detected in the construction process so as to judge the safety and stability of the supporting structure and reduce potential safety hazards. At present, a method for observing the horizontal displacement of a foundation pit is to set a monitoring point on a foundation pit support, arrange a prism on the monitoring point, and calculate by matching with a total station outside the foundation pit and a reference point prism, thereby realizing the monitoring of the horizontal displacement of the foundation pit.

The utility model discloses a chinese utility model with an authorization bulletin number CN208650029U, which discloses a foundation pit horizontal displacement monitoring device, comprising a monitoring mark component, wherein the monitoring mark component comprises a base fixedly connected with a foundation pit support, a support fixedly connected to the base and a support platform fixedly connected to the top end of the support, a protective cylinder is arranged on the support platform, a stepping motor, a turntable, a prism support rod and a monitoring point prism arranged on the top end of the prism support rod are arranged in the protective cylinder, the stepping motor is used for driving the turntable to rotate, and the device further comprises a total station and a reference point prism; when the monitoring point prism is used, the stepping motor is started to drive the turntable to rotate, and the turntable drives the monitoring point prism to rotate, so that the monitoring point prism is adjusted to be aligned with the total station.

In view of the above-mentioned related art, the inventors found that at least the following problems exist in the art: when monitoring point prism is not being monitored, the prism exposes externally for a long time, receives external factor influence and damages easily, leads to unable normal use when monitoring, still needs to change, influences monitoring efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve the long-term exposure of monitoring point prism externally, receive external factor influence and the problem of damaging easily, this application provides a high accuracy foundation ditch horizontal displacement monitoring devices.

The application provides a high accuracy foundation ditch horizontal displacement monitoring devices adopts following technical scheme:

a high-precision foundation pit horizontal displacement monitoring device comprises a base arranged on a foundation pit support, wherein the top of the base is fixedly connected with an upright post, the top of the upright post is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a protective box, a supporting seat is arranged inside the protective box, an installation plate is rotatably arranged at the top of the supporting seat, and a prism is fixedly arranged at the top of the installation plate;

the screw rod is rotatably installed on one side of the bottom wall in the protective box, the lower end of the screw rod is connected with a driving mechanism for driving the screw rod to rotate, a guide rod is fixedly installed on the other side of the bottom wall in the protective box, one end of the supporting seat is sleeved on the screw rod and is in threaded connection with the screw rod, and the other end of the supporting seat is slidably sleeved on the guide rod.

Through adopting above-mentioned technical scheme, when needing to use the prism to supervise, can use actuating mechanism to drive the screw rod and rotate, it is ascending to make the screw rod drive the supporting seat, it rises out from the protective housing to make the supporting seat drive the prism, thereby use the prism, when need not use the prism, can use actuating mechanism to drive screw rod antiport, it descends to make the screw rod drive the supporting seat, it descends to the protective housing to make the supporting seat drive the prism, make the protective housing protect the prism, reduce the influence that external factors caused the prism, reduce the impaired probability of prism.

Optionally, the stand column includes a lower connecting column fixedly mounted at the top of the base and an upper connecting column fixedly mounted at the bottom of the support plate, the lower connecting column is inserted into the upper connecting column, a plurality of positioning holes are formed in the surface of the upper connecting column from top to bottom at equal intervals, and positioning pins matched with the positioning holes are inserted into the outer side wall of the lower connecting column.

Through adopting above-mentioned technical scheme, when using, through inserting the locating pin in the locating hole of difference, can adjust the length of stand to can adjust the height of device.

Optionally, the driving mechanism includes a first motor fixedly mounted on the inner bottom wall of the shielding box, a master gear fixedly mounted on an output end of the first motor, and a slave gear fixedly mounted on a lower end of the screw, and the master gear is engaged with the slave gear.

By adopting the technical scheme, when the electric screw driver is used, the first motor can be started to drive the main gear to rotate, so that the main gear drives the driven gear to rotate, and the driven gear drives the screw to rotate.

Optionally, limiting plates are fixedly mounted at the tops of the screw rod and the guide rod.

Through adopting above-mentioned technical scheme, the limiting plate can play limiting displacement to the top of screw rod and guide arm, reduces the risk that the supporting seat breaks away from screw rod and guide arm top.

Optionally, a limiting groove is formed in the inner side wall of the protection box, limiting blocks are fixedly connected to the two sides of the supporting seat, and the limiting blocks are connected in the limiting groove in a sliding mode.

Through adopting above-mentioned technical scheme, through the cooperation of spacing groove and stopper, can play limiting displacement to the supporting seat, improve the stability of supporting seat.

Optionally, a second motor is fixedly mounted at the bottom of the supporting seat, and an output end of the second motor is fixedly connected with the center of the mounting plate.

Through adopting above-mentioned technical scheme, can drive the mounting panel through the second motor and rotate to be convenient for adjust the use angle of prism.

Optionally, a rain shield is fixedly mounted on the top of the mounting plate above the prism.

Through adopting above-mentioned technical scheme, the weather shield can play the effect of keeping off the rain to the prism, reduces the influence of rainwater to the prism.

Optionally, a warning light is installed on the front face of the protection box.

Through adopting above-mentioned technical scheme, the warning light is convenient for the staff and finds the prism that needs the monitoring fast.

In summary, the present application has the following beneficial effects:

1. according to the prism protection device, the protection box, the supporting seat, the screw rod, the driving mechanism and the guide rod are arranged, when the prism is not needed, the driving mechanism can be used for driving the screw rod to rotate, the screw rod drives the supporting seat to descend, the supporting seat drives the prism to descend into the protection box, the protection box protects the prism, influences of external factors on the prism are reduced, and the probability of damage of the prism is reduced;

2. this application can play the effect of keeping off the rain to the prism through the setting of weather shield, reduces the influence of rainwater to the prism.

Drawings

FIG. 1 is a schematic view of the overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the protective case of the present application without the use of a prism;

FIG. 3 is a schematic view of the internal structure of the protective housing of the present application using a prism.

Description of reference numerals:

1. a base; 2. a column; 201. a lower connecting column; 202. an upper connecting column; 203. positioning holes; 204. positioning pins; 3. a support plate; 4. a protective box; 5. a supporting seat; 6. mounting a plate; 7. a prism; 8. a screw; 9. a drive mechanism; 901. a first motor; 902. a main gear; 903. a slave gear; 10. a guide bar; 11. a limiting plate; 12. a limiting groove; 13. a limiting block; 14. a second motor; 15. a rain shield; 16. a warning light.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Please refer to fig. 1, a high accuracy foundation ditch horizontal displacement monitoring devices, including installing base 1 on the excavation supporting, the top fixedly connected with stand 2 of base 1, the top fixedly connected with backup pad 3 of stand 2, stand 2 includes lower spliced pole 201 of fixed mounting at base 1 top and the last spliced pole 202 of fixed mounting in backup pad 3 bottom, lower spliced pole 201 pegs graft in last spliced pole 202, a plurality of locating holes 203 have been seted up from last to equidistance down on the surface of last spliced pole 202, the lateral wall of lower spliced pole 201 is pegged graft and is had the locating pin 204 with locating hole 203 looks adaptation, when using, through inserting locating pin 204 in the different locating holes 203, can adjust the length of stand 2, thereby can adjust the height of device.

Referring to fig. 1 and 2, the top fixedly connected with guard box 4 of backup pad 3, guard box 4 are open-top, and the inside of guard box 4 is provided with supporting seat 5, and mounting panel 6 is installed in the top rotation of supporting seat 5, and the top fixed mounting of mounting panel 6 has prism 7, and guard box 4 can play the guard action to prism 7. The bottom fixed mounting of supporting seat 5 has second motor 14, and the output of second motor 14 and the central fixed connection of mounting panel 6 can drive mounting panel 6 through second motor 14 and rotate to be convenient for adjust the use angle of prism 7.

Referring to fig. 2 and 3, a screw 8 is rotatably mounted on one side of the bottom wall in the protective box 4, the screw 8 is vertically arranged, a driving mechanism 9 for driving the screw 8 to rotate is connected to the lower end of the screw 8, the driving mechanism 9 includes a first motor 901 fixedly mounted on the bottom wall in the protective box 4, a main gear 902 fixedly mounted on the output end of the first motor 901, and a driven gear 903 fixedly mounted on the lower end of the screw 8, the main gear 902 is engaged with the driven gear 903, and when in use, the first motor 901 can be started to drive the main gear 902 to rotate, so that the main gear 902 drives the driven gear 903 to rotate, and the driven gear 903 drives the screw 8 to rotate.

Refer to fig. 2 and 3, the opposite side fixed mounting of diapire has guide arm 10 in protective housing 4, guide arm 10 is parallel arrangement with screw rod 8, the one end of supporting seat 5 cup joints on screw rod 8 and with 8 threaded connection of screw rod, the other end of supporting seat 5 slides and cup joints on guide arm 10, when screw rod 8 rotates, guide arm 10 can play direction limiting displacement to supporting seat 5, make supporting seat 5 follow screw rod 8's length direction vertical motion, thereby can drive prism 7 and go up and down, when not using prism 7, can descend prism 7 to protective housing 4 in, make protective housing 4 protect prism 7, reduce the influence that external factors caused prism 7, reduce the impaired probability of prism 7. The equal fixed mounting in top of screw rod 8 and guide arm 10 has limiting plate 11, and limiting plate 11 can play limiting displacement to the top of screw rod 8 and guide arm 10, reduces the risk that supporting seat 5 breaks away from screw rod 8 and guide arm 10 top.

Referring to fig. 2 and 3, spacing groove 12 has been seted up to the inside wall of guard box 4, and spacing groove 12 is vertical layout, the equal fixedly connected with stopper 13 in both sides of supporting seat 5, and stopper 13 sliding connection can play limiting displacement to supporting seat 5 through the cooperation of spacing groove 12 and stopper 13 in limiting groove 12, improves the stability of supporting seat 5.

Referring to fig. 1 and 3, a rain shield 15 is fixedly mounted on the top of the mounting plate 6 above the prism 7, and the rain shield 15 can play a role of shielding rain for the prism 7, so that influence of rain on the prism 7 is reduced. The front of protective housing 4 is installed warning light 16, and warning light 16 is convenient for the staff to find the prism 7 that needs the monitoring fast.

The implementation principle of the application is as follows: when needs use prism 7 to monitor, can use actuating mechanism 9 to drive screw rod 8 and rotate, make screw rod 8 drive supporting seat 5 and rise, make supporting seat 5 drive prism 7 and rise from protective housing 4, thereby use prism 7, in the use, can use second motor 14 to drive mounting panel 6 and rotate, so that adjust prism 7's use angle, when need not use prism 7, can use actuating mechanism 9 to drive screw rod 8 antiport, make screw rod 8 drive supporting seat 5 descend, make supporting seat 5 drive prism 7 descend to protective housing 4 in, make protective housing 4 protect prism 7, reduce the influence that external factor caused prism 7, reduce the impaired probability of prism 7.

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

1. The utility model provides a high accuracy foundation ditch horizontal displacement monitoring devices, is including installing base (1) on the excavation supporting, its characterized in that: the top of the base (1) is fixedly connected with an upright post (2), the top of the upright post (2) is fixedly connected with a supporting plate (3), the top of the supporting plate (3) is fixedly connected with a protective box (4), a supporting seat (5) is arranged inside the protective box (4), the top of the supporting seat (5) is rotatably provided with a mounting plate (6), and the top of the mounting plate (6) is fixedly provided with a prism (7);

one side of diapire rotates in protective housing (4) and installs screw rod (8), the lower extreme of screw rod (8) is connected with and is used for driving screw rod (8) pivoted actuating mechanism (9), the opposite side fixed mounting of diapire has guide arm (10) in protective housing (4), the one end of supporting seat (5) cup joint on screw rod (8) and with screw rod (8) threaded connection, the other end slip of supporting seat (5) cup joints on guide arm (10).

2. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: the upright post (2) comprises a lower connecting post (201) and an upper connecting post (202), wherein the lower connecting post (201) is fixedly mounted at the top of the base (1), the upper connecting post (202) is fixedly mounted at the bottom of the supporting plate (3), the lower connecting post (201) is connected into the upper connecting post (202) in an inserting mode, a plurality of positioning holes (203) are formed in the surface of the upper connecting post (202) from top to bottom in an equidistant mode, and positioning pins (204) matched with the positioning holes (203) are connected to the outer side wall of the lower connecting post (201) in an inserting mode.

3. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: the driving mechanism (9) comprises a first motor (901) fixedly arranged on the inner bottom wall of the protective box (4), a main gear (902) fixedly arranged at the output end of the first motor (901) and a driven gear (903) fixedly arranged at the lower end of the screw rod (8), wherein the main gear (902) is meshed with the driven gear (903).

4. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: limiting plates (11) are fixedly mounted at the tops of the screw rod (8) and the guide rod (10).

5. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: spacing groove (12) have been seted up to the inside wall of guard box (4), the equal fixedly connected with stopper (13) in both sides of supporting seat (5), stopper (13) sliding connection is in spacing groove (12).

6. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: the bottom fixed mounting of supporting seat (5) has second motor (14), the output of second motor (14) and the central fixed connection of mounting panel (6).

7. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: the top of the mounting plate (6) is fixedly provided with a rain baffle (15) above the prism (7).

8. The high-precision foundation pit horizontal displacement monitoring device of claim 1, wherein: and a warning lamp (16) is arranged on the front surface of the protective box (4).