Non-contact deep foundation pit detection device

Abstract

The utility model relates to a non-contact deep foundation pit detection device which comprises the ground, a pit body is excavated in the ground, a U-shaped supporting frame is arranged on the upper surface of the ground, the pit body is located below the U-shaped supporting frame, the top of the inner wall of the U-shaped supporting frame is connected with an electric hoist through a bolt, the bottom of the electric hoist is fixedly connected with a hook, and a laser detector is hung on the hook. A plurality of supporting fences are uniformly arranged on the inner side wall of the pit body, and the adjacent supporting fences are connected with each other; according to the scheme, during use, the electric hoist is mounted above the pit body through the U-shaped supporting frame, the laser detector hung on the hook can be adjusted to move by starting the electric hoist, and the laser detector can move into the pit body for detection; the electric hoist is used for replacing a telescopic air cylinder to adjust the position of the laser detector, so that the adjusting range of the position of the laser detector is expanded, and the detection effect of the laser detector on the interior of the deep foundation pit can be enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of engineering measurement, and in particular to a non-contact deep foundation pit detection device. Background Art

[0002] Deep foundation pit refers to the construction of underground space with a large depth in urban construction, which is used to build underground parking lots, commercial centers, subway stations and other facilities. Deep foundation pit projects play an important role in urban construction, but they also face some challenges and risks. After the deep foundation pit is excavated, in order to ensure the size of the foundation pit, it is necessary to use a non-contact deep foundation pit detection device to detect the foundation pit.

[0003] The utility model with announcement number CN219491107U discloses a non-contact deep foundation pit detection device, including a ground, a foundation pit is opened on the ground, a plurality of brackets are arranged on the upper surface of the ground, a support plate is fixedly arranged on the upper surface of the plurality of brackets, a level is fixedly arranged on the upper surface of the support plate, a telescopic cylinder is fixedly arranged on the bottom surface of the support plate, a laser detector is installed on the piston rod end of the telescopic cylinder, and a blocking component for preventing soil from rolling into the foundation pit is arranged on the inner wall of the foundation pit. The application has the effect of improving measurement accuracy.

[0004] When the above technical solution is in use, the staff needs to start the telescopic cylinder, thereby moving the piston rod of the telescopic cylinder into the foundation pit, so that the laser detector arranged at the end of the piston rod of the telescopic cylinder can measure the depth and width of the foundation pit. However, the depth of the deep foundation pit excavated is generally large. The above method of directly adjusting the laser detector through the telescopic cylinder may have certain limitations on the position adjustment of the laser detector, which may affect the detection effect of the laser detector on the inside of the deep foundation pit, which is not conducive to actual use. Therefore, those skilled in the art provide a non-contact deep foundation pit detection device to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the problem that the method of adjusting the laser detector by a telescopic cylinder proposed in the above background technology may have certain limitations on the position adjustment of the laser detector, which may affect the detection effect of the laser detector on the inside of a deep foundation pit, the present application provides a non-contact deep foundation pit detection device.

[0006] The non-contact deep foundation pit detection device provided in this application adopts the following technical solution:

[0007] A non-contact deep foundation pit detection device includes a ground, a pit body is excavated on the ground, a U-shaped support frame is arranged on the upper surface of the ground, the pit body is located below the U-shaped support frame, an electric hoist is connected to the top of the inner wall of the U-shaped support frame by bolts, a hook is fixedly connected to the bottom of the electric hoist, a laser detector is hung on the hook, and a plurality of support fences are evenly arranged on the inner wall of the pit body, and adjacent support fences are connected to each other.

[0008] By adopting the above technical solution, the pit body can be supported by arranging a supporting fence inside the pit body, and the laser detector can be adjusted to move into the pit body for detection by starting the electric hoist. The present application uses an electric hoist to replace the telescopic cylinder to adjust the position of the laser detector, which can expand the adjustment range of the laser detector position, thereby enhancing the detection effect of the laser detector on the inside of the deep foundation pit.

[0009] Preferably, the electric hoist includes a mounting shell connected to the top of the inner wall of the U-shaped support frame by bolts, a lifting motor is arranged inside the mounting shell, a winding drum is fixedly connected to the output end of the lifting motor, a steel wire rope is wound around the outer wall of the winding drum, the bottom end of the steel wire rope is fixedly connected to the hook, and a controller is arranged on the lifting motor.

[0010] By adopting the above technical scheme, the mounting shell can limit the installation position of the lifting motor, the controller can control the starting of the lifting motor, and when the lifting motor starts, the winding drum can be controlled to rotate to retract and release the wire rope, and the position of the hook can be adjusted by retracting and releasing the wire rope.

[0011] Preferably, the supporting fence includes a first protective net, with a first mounting bar and a second mounting bar fixedly connected to both sides of the first protective net, respectively; a first hinged bar is symmetrically fixedly connected to the side of the first mounting bar away from the first protective net, and a second hinged bar is fixedly connected to the side of the second mounting bar away from the first protective net; sliding grooves are symmetrically provided between the first mounting bar and the second mounting bar, and a raised supporting plate is provided inside the symmetrically provided sliding grooves.

[0012] By adopting the above-mentioned technical scheme, the first protective net can play a certain protective role on the inner wall of the pit body. By cooperating with the first hinged bar symmetrically installed on one side of the first mounting bar and the second hinged bar installed on one side of the second mounting bar, it is convenient to connect different support fences. Through the symmetrically arranged slide grooves, the raised support plate can be slid and installed between the first mounting bar and the second mounting bar. After the raised support plate is moved up, the protection range of the inner wall of the pit body can be increased.

[0013] Preferably, a weight block is fixedly connected to the outer wall of the bottom end of the steel wire rope, and the weight block is located above the hook.

[0014] By adopting the above technical solution, the stability of the bottom can be enhanced by adding weight blocks when the wire rope moves.

[0015] Preferably, the heightened supporting plate comprises a rectangular frame slidably connected to the inside of the symmetrically arranged sliding grooves, and the inner wall of the rectangular frame is fixedly connected to a second protective net.

[0016] By adopting the above technical solution, the position of the second protection net can be adjusted by moving the rectangular frame, thereby increasing the protection range of the inner wall of the pit.

[0017] Preferably, the bottom of the winding drum is fixedly connected to a U-shaped mounting frame, the inner side of the U-shaped mounting frame is fixedly connected to a connecting strip, one end of the connecting strip is fixedly connected to a guide tube, and the wire rope passes through the interior of the guide tube.

[0018] By adopting the above technical solution, the U-shaped mounting frame cooperates with the connecting strip to limit the installation position of the guide tube, and the guide tube can guide the moving position of the wire rope.

[0019] Preferably, the first mounting bar and the second mounting bar are both provided with mounting holes, the rectangular frame is evenly provided with a plurality of adjustment holes penetrating the rectangular frame, the adjustment holes match the mounting holes, and butterfly-shaped fixing bolts are provided inside the mounting holes.

[0020] By adopting the above technical solution, after the rectangular frame is adjusted to a suitable position, the butterfly-shaped fixing bolt is installed inside the adjustment hole and the installation hole, so that the height of the rectangular frame can be limited.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] 1. The non-contact deep foundation pit detection device arranges several support fences on the inner wall of the pit body, which can support the pit body to prevent the pit body from collapsing. The U-shaped support frame can install the electric hoist above the pit body. Starting the electric hoist can adjust the laser detector hung on the hook to move into the pit body for detection. The present application uses the electric hoist to replace the telescopic cylinder to adjust the position of the laser detector, which can expand the adjustment range of the laser detector position, thereby enhancing the detection effect of the laser detector on the inside of the deep foundation pit;

[0023] 2. The non-contact deep foundation pit detection device has an installation shell that can limit the installation position of the lifting motor, and the controller can control the starting of the lifting motor. When the lifting motor starts, the winding drum can be controlled to rotate to retract and release the wire rope. The position of the hook can be adjusted by retracting and releasing the wire rope. When the wire rope moves, the stability of the bottom can be enhanced by the weight block. The U-shaped mounting frame cooperates with the connecting strip to limit the installation position of the guide tube. The guide tube can guide the moving position of the wire rope and reduce the shaking amplitude of the wire rope when it moves.

[0024] 3. The non-contact deep foundation pit detection device is provided with a first protective net which can play a certain protective role on the inner wall of the pit body. By symmetrically installing a first hinged bar on one side of the first mounting bar and cooperating with a second hinged bar installed on one side of the second mounting bar, different support fences can be easily connected. The symmetrically arranged slide grooves can slide the rectangular frame between the first mounting bar and the second mounting bar. The position of the second protective net can be adjusted by moving the rectangular frame to increase the protection range of the inner wall of the pit body. After the rectangular frame is adjusted to a suitable position, the butterfly-shaped fixed bolt is installed inside the adjustment hole and the mounting hole to limit the height of the rectangular frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0026] Figure 2 It is a schematic diagram of the structure of the electric hoist in the embodiment of the present application;

[0027] Figure 3 It is a schematic diagram of several supporting fence connection structures in the embodiment of the present application;

[0028] Figure 4 It is a schematic diagram of the support fence structure in an embodiment of the present application.

[0029] Explanation of the accompanying drawings: 1. Ground; 2. Pit body; 3. U-shaped support frame; 4. Electric hoist; 401. Mounting shell; 402. Lifting motor; 403. Reel; 404. Wire rope; 405. Controller; 5. Hook; 6. Laser detector; 7. Support fence; 701. First protective net; 702. First mounting bar; 703. Second mounting bar; 704. First hinged bar; 705. Second hinged bar; 706. Slide; 707. Raised support plate; 7071. Rectangular frame; 7072. Second protective net; 8. Weight block; 9. U-shaped mounting frame; 10. Connecting bar; 11. Guide tube; 12. Mounting hole; 13. Adjustment hole; 14. Butterfly-shaped fixed bolt. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] The present application embodiment discloses a non-contact deep foundation pit detection device. Figure 1 , Figure 2 and Figure 3 The non-contact deep foundation pit detection device includes a ground 1, a pit body 2 is excavated on the ground 1, a U-shaped support frame 3 is arranged on the upper surface of the ground 1, the pit body 2 is located below the U-shaped support frame 3, an electric hoist 4 is connected to the top of the inner wall of the U-shaped support frame 3 by bolts, a hook 5 is fixedly connected to the bottom of the electric hoist 4, a laser detector 6 is hung on the hook 5, and a plurality of support fences 7 are evenly arranged on the inner wall of the pit body 2, and adjacent support fences 7 are connected to each other.

[0032] In this embodiment, the U-shaped support frame 3 provided in the non-contact deep foundation pit detection device can install the electric hoist 4 above the pit body 2, and a hook 5 is fixedly connected to the bottom of the electric hoist 4, and the laser detector 6 can be installed on the bottom of the electric hoist 4 through the hook 5, so that when the electric hoist 4 is started, the laser detector 6 can be adjusted to move inside the pit body 2, and the inside of the pit body 2 can be non-contactly detected by the movement of the laser detector 6. Furthermore, a plurality of support fences 7 are evenly provided on the inner wall of the pit body 2, and adjacent support fences 7 are connected to each other. The inner wall of the pit body 2 can be supported by the plurality of support fences 7 to prevent the pit body 2 from collapsing. When the non-contact deep foundation pit detection device is in use, the electric hoist 4 is used to replace the telescopic cylinder to adjust the position of the laser detector 6, thereby expanding the adjustment range of the position of the laser detector 6, thereby enhancing the detection effect of the laser detector 6 on the inside of the deep foundation pit, making the present application more conducive to practical use.

[0033] In a further preferred embodiment of the present invention, Figure 1 and Figure 2 As shown, the electric hoist 4 includes a mounting shell 401 connected to the top of the inner wall of the U-shaped support frame 3 by bolts, a lifting motor 402 is arranged inside the mounting shell 401, a winding drum 403 is fixedly connected to the output end of the lifting motor 402, a steel wire rope 404 is wound around the outer wall of the winding drum 403, the bottom end of the steel wire rope 404 is fixedly connected to the hook 5, and a controller 405 is arranged on the lifting motor 402.

[0034] In this embodiment, the installation position of the lifting motor 402 can be limited by installing the shell 401, and the lifting motor 402 is connected to a controller 405 through electric wires. The starting of the lifting motor 402 can be controlled by the controller 405. When the lifting motor 402 is started, the winding drum 403 can be controlled to rotate. The wire rope 404 can be retracted and released by the rotation of the winding drum 403, so that the position of the hook 5 can be adjusted by retracting and releasing the wire rope 404.

[0035] In a further preferred embodiment of the present invention, Figure 2 As shown, a weight block 8 is fixedly connected to the outer wall of the bottom end of the wire rope 404 , and the weight block 8 is located above the hook 5 .

[0036] In this embodiment, the weight block 8 is provided to increase the weight of the bottom end of the steel wire rope 404, thereby enhancing the stability of the bottom when the steel wire rope 404 moves.

[0037] In a further preferred embodiment of the present invention, Figure 2 As shown, a U-shaped mounting frame 9 is fixedly connected to the bottom of the winding drum 403 , a connecting strip 10 is fixedly connected to the inner side of the U-shaped mounting frame 9 , one end of the connecting strip 10 is fixedly connected to a guide tube 11 , and the wire rope 404 passes through the interior of the guide tube 11 .

[0038] In this embodiment, the U-shaped mounting frame 9 cooperates with the connecting strip 10 to limit the installation position of the guide tube 11, and the moving position of the wire rope 404 can be guided by the guide tube 11, thereby reducing the shaking amplitude of the wire rope 404 when moving.

[0039] In a further preferred embodiment of the present invention, Figure 1 , Figure 3 and Figure 4 As shown, the supporting fence 7 includes a first protective net 701, and the first mounting bar 702 and the second mounting bar 703 are fixedly connected on both sides of the first protective net 701 respectively, the first mounting bar 702 is symmetrically fixedly connected with a first hinge bar 704 on the side away from the first protective net 701, and the second mounting bar 703 is fixedly connected with a second hinge bar 705 on the side away from the first protective net 701, and sliding grooves 706 are symmetrically opened between the first mounting bar 702 and the second mounting bar 703, and a raised supporting plate 707 is arranged inside the symmetrically opened sliding grooves 706.

[0040] In this embodiment, the first protective net 701 can play a certain protective role on the inner wall of the pit body 2. The first hinged bar 704 symmetrically installed on one side of the first mounting bar 702 cooperates with the second hinged bar 705 installed on one side of the second mounting bar 703 to facilitate the connection between different support fences 7. When connecting different support fences 7, the second hinged bar 705 can be located between the symmetrically arranged first hinged bar 704. The shaft rod can be inserted into the first hinged bar 704 and the second hinged bar 705, so as to limit the position between adjacent support fences 7 and adjust the angle between adjacent support fences 7 as needed. After adjusting the angle, the user can further fix it with bolts. The symmetrically arranged slide groove 706 can slide the heightened support plate 707 between the first mounting bar 702 and the second mounting bar 703, so that the heightened support plate 707 can move up and down as needed. After the heightened support plate 707 moves up, the protection range of the inner wall of the pit body 2 can be increased.

[0041] In a further preferred embodiment of the present invention, Figure 3 and Figure 4 As shown, the heightened support plate 707 includes a rectangular frame 7071 slidably connected to the inside of a symmetrically arranged slide groove 706 , and a second protective net 7072 is fixedly connected to the inner wall of the rectangular frame 7071 .

[0042] In this embodiment, the installation position of the second protective net 7072 can be limited by the rectangular frame 7071, and the position of the second protective net 7072 can be adjusted by moving the rectangular frame 7071, thereby increasing the protection range of the inner wall of the pit body 2.

[0043] In a further preferred embodiment of the present invention, Figure 4 As shown, the first mounting bar 702 and the second mounting bar 703 are both provided with mounting holes 12, and the rectangular frame 7071 is evenly provided with a plurality of adjustment holes 13 penetrating the rectangular frame 7071, the adjustment holes 13 match the mounting holes 12, and the mounting holes 12 are provided with butterfly-shaped fixing bolts 14 inside.

[0044] In this embodiment, when the rectangular frame 7071 is adjusted up and down, the different adjustment holes 13 opened on the rectangular frame 7071 can be connected with the mounting hole 12. After the rectangular frame 7071 is adjusted to a suitable position, the height of the rectangular frame 7071 can be limited by installing the butterfly-shaped fixing bolt 14 inside the adjustment hole 13 and the mounting hole 12.

[0045] The implementation principle of the non-contact deep foundation pit detection device of the embodiment of the present application is:

[0046] When in use, the pit body 2 is supported by laying a supporting fence 7 inside the pit body 2 to prevent the pit body 2 from collapsing. The electric hoist 4 is installed above the pit body 2 through the U-shaped support frame 3. Starting the electric hoist 4 can adjust the laser detector 6 hung on the hook 5 to move, so that the laser detector 6 can move into the pit body 2 for detection. When in use, the present application uses the electric hoist 4 to replace the telescopic cylinder to adjust the position of the laser detector 6, thereby expanding the adjustment range of the position of the laser detector 6, thereby enhancing the detection effect of the laser detector 6 on the inside of the deep foundation pit, making the present application more conducive to practical use.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A non-contact deep foundation pit detection device, comprising a ground surface (1), characterized in that: A pit body (2) is excavated on the ground (1), a U-shaped support frame (3) is arranged on the upper surface of the ground (1), the pit body (2) is located below the U-shaped support frame (3), an electric hoist (4) is connected to the top of the inner wall of the U-shaped support frame (3) by bolts, a hook (5) is fixedly connected to the bottom of the electric hoist (4), a laser detector (6) is hung on the hook (5), and a plurality of support fences (7) are evenly arranged on the inner side wall of the pit body (2), and adjacent support fences (7) are connected to each other.

2. The non-contact deep foundation pit detection device according to claim 1 is characterized in that: The electric hoist (4) comprises a mounting shell (401) connected to the top of the inner wall of the U-shaped support frame (3) by bolts, a lifting motor (402) is arranged inside the mounting shell (401), a winding drum (403) is fixedly connected to the output end of the lifting motor (402), a steel wire rope (404) is wound around the outer wall of the winding drum (403), the bottom end of the steel wire rope (404) is fixedly connected to the hook (5), and a controller (405) is arranged on the lifting motor (402).

3. The non-contact deep foundation pit detection device according to claim 1 is characterized in that: The support fence (7) comprises a first protective net (701), and the first protective net (701) is respectively fixedly connected with a first mounting bar (702) and a second mounting bar (703) on both sides thereof; the first mounting bar (702) is symmetrically fixedly connected with a first hinge bar (704) on a side away from the first protective net (701); the second mounting bar (703) is fixedly connected with a second hinge bar (705) on a side away from the first protective net (701); a slide groove (706) is symmetrically provided between the first mounting bar (702) and the second mounting bar (703); and a heightened support plate (707) is provided inside the symmetrically provided slide groove (706).

4. The non-contact deep foundation pit detection device according to claim 2 is characterized in that: A weight block (8) is fixedly connected to the outer wall of the bottom end of the steel wire rope (404), and the weight block (8) is located above the hook (5).

5. The non-contact deep foundation pit detection device according to claim 3 is characterized in that: The heightened support plate (707) comprises a rectangular frame (7071) slidably connected to the inside of the symmetrically arranged sliding grooves (706), and a second protective net (7072) is fixedly connected to the inner wall of the rectangular frame (7071).

6. The non-contact deep foundation pit detection device according to claim 4 is characterized in that: The bottom of the winding drum (403) is fixedly connected to a U-shaped mounting frame (9), the inner side of the U-shaped mounting frame (9) is fixedly connected to a connecting strip (10), one end of the connecting strip (10) is fixedly connected to a guide tube (11), and the steel wire rope (404) passes through the interior of the guide tube (11).

7. The non-contact deep foundation pit detection device according to claim 5, characterized in that: The first mounting strip (702) and the second mounting strip (703) are both provided with mounting holes (12), the rectangular frame (7071) is evenly provided with a plurality of adjustment holes (13) penetrating the rectangular frame (7071), the adjustment holes (13) match the mounting holes (12), and the mounting holes (12) are provided with butterfly-shaped fixing bolts (14) inside.

Images