CN113652933B

CN113652933B - Ground surface subsidence detection device for field construction

Info

Publication number: CN113652933B
Application number: CN202111218736.2A
Authority: CN
Inventors: 卢海伟
Original assignee: Shandong Juxin Technology Service Co ltd
Current assignee: Shandong Juxin Technology Service Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-01-18
Anticipated expiration: 2041-10-20
Also published as: CN113652933A

Abstract

The invention discloses a ground surface subsidence detection device for field construction, which comprises a threaded cylinder and a cantilever mechanism for supporting and adjusting the lifting height of the threaded cylinder, wherein one end of the cantilever mechanism is provided with a fixing mechanism for fixing the device on the ground surface, the interior of the threaded cylinder is connected with a sleeve in a sliding manner, a pressing rod is arranged in the sleeve in a sliding manner, the bottom of the threaded cylinder is fixedly connected with a fixing frame, the bottom of the fixing frame is provided with an outer pushing piece which is used for arranging loose soil subsided at the bottom of a pit to two sides when the pressing rod is pushed and pressed downwards, the threaded cylinder is driven to rotate by rotating a first pressing plate so as to move downwards until the bottom end of the outer pushing piece is contacted with a hard part of a subsidence part, then a second pressing plate is pressed, the second pressing plate drives the sleeve to move downwards, the sleeve pushes a connecting plate so as to further move the pressing rod downwards, and the pressing rod pushes the outer pushing piece to move, the outer pushing piece pushes the loosened soil sliding from the sunk bottom to two sides, and the sunk bottom is exposed.

Description

Ground surface subsidence detection device for field construction

Technical Field

The invention belongs to the technical field related to subsidence detection, and particularly relates to a surface subsidence detection device for field construction.

Background

At present, the method for measuring the road subsidence is to stretch into the bottom of the subsidence through a simple measuring scale, and the measured data is not accurate enough, so that the influence on the later repair construction can be brought.

For this purpose, application number CN201910577248.7 discloses a road subsidence measuring device, which comprises a rectangular plate and two rectangular sliding blocks, wherein two opposite surfaces of the two rectangular sliding blocks are fixedly connected with the front and back surfaces of the rectangular plate respectively, the right surface of the rectangular sliding block is fixedly connected with a semicircular block, the upper surface of the semicircular block is internally provided with a circular groove, a semicircular ring is arranged in the circular groove, the size of the semicircular ring is matched with the size of the circular groove, the semicircular ring and the inner wall behind the circular groove can form a circular ring, when the road subsidence measuring device has a large road subsidence range, the rectangular plate is drawn out from the rectangular block, the round rod is inserted into the ground, the horizontal air bubbles on the upper surface of the rectangular block are in the position of the center by moving the rectangular plate up and down, and the rectangular plate can be fixed on the round rod through the screw rod and the semicircular ring, so that the measuring accuracy can be improved.

The technical scheme proposed above has the following problems: the operation degree of difficulty is great, and is inconvenient to use, deposits the loosen soil of landing in the sunken pit, leads to measuring device can't touch the bottom of a pit, and then makes measured data accurate inadequately, in addition, if when having ponding in the sunken pit, can't observe the bottom of a pit situation, influences the judgement to the bottom of a pit depths for the influence is to the detection in sunken pit.

Disclosure of Invention

The invention aims to provide a ground surface subsidence detection device for field construction, which aims to solve the problems of inconvenient operation and detection influence of loose soil and accumulated water deposited in a sunken pit in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: ground surface subsidence detection device is used in construction on the spot, including a screw thread section of thick bamboo and be used for supporting and adjust the cantilever mechanism of screw thread section of thick bamboo elevating height, cantilever mechanism's one end is provided with be used for with the fixed establishment at the earth's surface is fixed to the device, the inside sliding connection of a screw thread section of thick bamboo has the sleeve, be provided with the scale mark on the telescopic outer wall, telescopic upper end fixedly connected with second clamp plate, telescopic inside is slided and is provided with and presses the depression bar, the fixed frame of bottom fixedly connected with of a screw thread section of thick bamboo, the bottom of fixed frame is provided with and is used for pushing and pressing the outer push-out piece that can arrange the subsidence to both sides of loosening the soil at the bottom of the pit when bulldozing downwards and pressing the depression bar and touching the bottom of the pit through relapse pull sleeve and the drainage subassembly that will subside ponding was discharged.

Preferably, the cantilever mechanism comprises a first plate and a second plate, one end of the first plate is hinged to the second plate through a second bolt, the outer portion of the second bolt is connected with a nut in a threaded mode, one end of the second plate is connected with a threaded barrel in a threaded mode, and a first bubble level meter is fixedly arranged on the upper surface of the second plate.

Preferably, fixed establishment includes the fixed disk, the fixed disk is articulated with the one end of first plate, threaded connection has first bolt on the first plate, the bottom of first bolt supports tightly at the upper surface of fixed disk, four cross installation preforming that distribute of fixedly connected with on the lateral wall of fixed disk.

Preferably, the outward pushing piece comprises two pairs of hard plates, the bottom ends of the hard plates are connected through a first flexible connecting portion, the top ends of the hard plates are connected with the bottom of the fixed frame and the bottom of the pressing rod through second flexible connecting portions, and the bottom ends of the hard plates are elastically connected through elastic strips.

Preferably, the drainage component comprises a connecting plate, the connecting plate is fixedly sleeved outside the pressing rod, a first one-way valve is fixedly embedded in the connecting plate, one side of the fixing frame is communicated with a pipeline, and a second one-way valve is arranged in the joint of the pipeline and the fixing frame.

Preferably, the upper end of the pressing rod is fixedly connected with a third pressing plate, a second bubble level meter is fixedly arranged on the side wall of the third pressing plate, and the upper end of the threaded cylinder is fixedly connected with a first pressing plate.

Compared with the prior art, the invention provides a ground surface subsidence detection device for field construction, which has the following beneficial effects:

1. according to the invention, the outer pushing piece is arranged at the bottom of the fixing frame, the first pressing plate is rotated to drive the threaded cylinder to rotate, so that the threaded cylinder moves downwards until the bottom end of the outer pushing piece is contacted with the hard part of the sunken part, then the second pressing plate is pressed, the second pressing plate drives the sleeve to move downwards, the sleeve pushes the connecting plate and further the pressing rod moves downwards, the pressing rod pushes the outer pushing piece to move, so that the outer pushing piece pushes the fallen loose soil at the sunken bottom to two sides, the sunken bottom is exposed, the pressing rod can be close to the bottom surface, further the influence of the loose soil on detection is reduced, the measurement precision is improved, and meanwhile, when the pressing rod is loosened, the outer pushing piece can be retracted inwards to an initial state under the action of the elastic strip, and further the next use is facilitated;

2. according to the invention, the drainage component is arranged at the lower side of the sleeve, if accumulated water exists at the bottom of the depression, when the pushing-out piece is in a second state, the third pressing plate can be kept pressed to be fixed, the second pressing plate is pulled to enable the sleeve to reciprocate up and down, when the sleeve moves upwards, the accumulated water can be sucked into the interior of the threaded sleeve through the first one-way valve, and when the sleeve moves downwards, the accumulated water can be extruded into a pipeline through the second one-way valve and discharged to the outside of the depression, so that the accumulated water is prevented from being converged in a pit to influence the judgment of the bottom of the foundation pit, and meanwhile, the accumulated water in the pit can be discharged, so that the soil quality at the periphery of the depression pit is prevented from loosening due to the convergence of the accumulated water, the span of the foundation pit is increased, and the depression range is further deepened;

3. according to the invention, the cantilever mechanism and the fixing mechanism are arranged, the device is suspended in a foundation pit through the fixing mechanism, the second plate and the first plate can be rotated by loosening the nut so as to adjust the position of the threaded cylinder, the threaded cylinder is positioned at the center of the sinking pit, the upper surface of the second plate is fixedly provided with the first bubble level meter, and in the adjusting process, the second plate and the first plate can be kept horizontal by observing the first bubble level meter, so that the threaded cylinder vertically points to the sinking pit, and the measuring reliability is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic three-dimensional structure diagram of a surface subsidence detection device for field construction according to the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of a surface subsidence detection device for field construction according to the present invention;

FIG. 3 is a schematic three-dimensional structure of an outer pushing member according to the present invention;

FIG. 4 is a schematic view of a partial three-dimensional cross-sectional structure of a surface subsidence detection device for field construction according to the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of a second-state partial three-dimensional cross-sectional structure of the surface subsidence detection apparatus for field construction according to the present invention;

FIG. 7 is a schematic view of a connection plate according to the present invention;

FIG. 8 is a schematic view of a connection portion of an outer push member according to the present invention;

in the figure: 1. fixing the disc; 2. mounting a pressing sheet; 3. a first plate member; 4. a first bolt; 5. a second plate member; 6. a first bubble level; 7. a second bolt; 8. a nut; 9. a threaded barrel; 10. a first platen; 11. a sleeve; 12. a second platen; 13. a pressing lever; 14. an outward pushing member; 141. a hard plate; 142. a first flexible connection; 143. a second flexible connection; 15. a connecting plate; 16. a first check valve; 17. a pipeline; 18. a second one-way valve; 19. scale lines; 20. a third press plate; 21. a second bubble level; 22. a fixing frame; 23. an elastic strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution: ground surface subsidence detection device is used in construction on the spot, including a screw section of thick bamboo 9 and be used for supporting and adjust the cantilever mechanism of 9 elevating heights of a screw section of thick bamboo, cantilever mechanism includes first plate 3 and second plate 5, the one end of first plate 3 is passed through second bolt 7 and is articulated with second plate 5, the outside threaded connection of second bolt 7 has nut 8, the one end and the 9 threaded connection of a screw section of thick bamboo of second plate 5, through not hard up nut 8, thereby rotatable second plate 5 and first plate 3 adjust the position of a screw section of thick bamboo 9, make a screw section of thick bamboo 9 be in the central point of subsidence pit and put, the last fixed surface of second plate 5 is provided with first bubble spirit level 6, in accommodation process, first bubble spirit level 6 is observed to the accessible, make second plate 5 and first plate 3 keep the level, and then make a screw section of thick bamboo 9 vertical direction subsidence pit.

It should be noted that, cantilever mechanism's one end is provided with and is used for fixing the fixed establishment at the earth's surface, fixed establishment includes fixed disk 1, fixed disk 1 is articulated with the one end of first plate 3, threaded connection has first bolt 4 on the first plate 3, the bottom of first bolt 4 supports tightly at the upper surface of fixed disk 1, four cross-shaped distribution's of fixedly connected with installation preforming 2 on the lateral wall of fixed disk 1, the accessible uses the rivet to pass installation preforming 2, and then can fix fixed disk 1 on the outer earth's surface of sink pit, make the device remain stable.

It is worth understanding that, the inside of the threaded cylinder 9 is slidably connected with a sleeve 11, the outer wall of the sleeve 11 is provided with scale marks 19, the upper end of the sleeve 11 is fixedly connected with a second pressing plate 12, the inside of the sleeve 11 is slidably provided with a pressing rod 13, the upper end of the pressing rod 13 is fixedly connected with a third pressing plate 20, the side wall of the third pressing plate 20 is fixedly provided with a second bubble level gauge 21, the upper end of the threaded cylinder 9 is fixedly connected with a first pressing plate 10, the position of the threaded cylinder 9 on the second plate 5 can be adjusted by rotating the first pressing plate 10, the second pressing plate 12 can be pressed by the pressing, the sleeve 11 can move up and down in the threaded cylinder 9, and the pressing rod 13 can move up and down in the sleeve 11 by pressing the third pressing plate 20.

It should be noted that a fixing frame 22 is fixedly connected to the bottom of the screw cylinder 9, an outward pushing member 14 for pushing loose soil sunk at the bottom of the pit to both sides when pushing the pressing rod 13 downward is provided at the bottom of the fixing frame 22, as shown in fig. 8, the outward pushing member 14 includes two pairs of hard plates 141, the bottom end of each pair of hard plates 141 is connected by a first flexible connecting portion 142, the top end of each pair of hard plates 141 is connected to the bottom of the fixing frame 22 and the bottom of the pressing rod 13 by a second flexible connecting portion 143, wherein the first flexible connecting portion 142 and the second flexible connecting portion 143 may be made of flexible materials such as rubber material and silica gel material, the hard plates 141 are made of hard plastic or other hard metal, wood board, etc., when the pressing rod 13 is pressed downward, each hard plate 141 can be opened outward, and the bottom ends of the two pairs of hard plates 141 are elastically connected by an elastic strip 23, when the hard plate 141 is expanded outward, the elastic strip 23 is stretched outward, and when the pressing rod 13 moves upward, the hard plate 141 is restored to its original position by the elastic force of the elastic strip 23.

It is worth noting that a drainage assembly for discharging the accumulated water in the sunk pit by repeatedly drawing and pulling the sleeve 11 when the pressing rod 13 touches the pit bottom is arranged on the lower side of the sleeve 11, the drainage assembly comprises a connecting plate 15, the connecting plate 15 is fixedly sleeved outside the pressing rod 13, a first one-way valve 16 is fixedly embedded in the connecting plate 15, a pipeline 17 is communicated with one side of the fixing frame 22, a second one-way valve 18 is arranged inside the joint of the pipeline 17 and the fixing frame 22, when the pressing rod 13 pushes the connecting plate 15 to contact the pit bottom, if the accumulated water exists in the pit, when the sleeve 11 is pulled upwards, the accumulated water in the sunk pit can be pumped into the threaded cylinder 9, the accumulated water is prevented from flowing back to the sunk pit through the first one-way valve 16, and when the sleeve 11 is pressed downwards, the accumulated water in the threaded cylinder 9 is discharged into the pipeline 17 through the second one-way valve 18 and is discharged outwards along the pipeline 17.

The working principle and the using process of the invention are as follows: fig. 1-4 show the initial state of the device. Wherein the elastic strip 23 is in an initial length state and the state of the ejector 14 is as shown in figure 2; the bottom end of the sleeve 11 is in contact with the web 15. In the initial state, the 0-th scale line of the scale 19 is flush with the top surface of the first presser plate 10. The first one-way valve 16 allows water to pass only from the bottom end to the top end of the connection plate 15, and the second one-way valve 18 allows water to flow only from the inside to the outside in fig. 5 and to be discharged through the pipe 17;

in use, rivets are passed through the through holes in the mounting pads 2 to allow the mounting plate 1 to be fixed to a level ground surrounding a surface depression, and when fixed, the device is held level by viewing the first and second bubble levels 6, 21. Then, adjusting the angles of the first plate 3 and the second plate 5 according to the span distance and the lowest point position of the ground surface subsidence, and screwing the first bolt 4 and the nut 8 when the outward pushing piece 14 below the thread cylinder 9 is positioned right above the subsidence center to fix the positions of the first plate 3 and the second plate 5;

then, the first pressing plate 10 is rotated, the first pressing plate 10 drives the threaded cylinder 9 to rotate, so that the threaded cylinder 9 moves downwards, and when the bottom end of the pushing piece 14 is in contact with the hard part of the sunken part, the first pressing plate 10 stops rotating. Then, the second pressing plate 12 is pressed, the second pressing plate 12 drives the sleeve 11 to move downwards, the sleeve 11 pushes the connecting plate 15 to further enable the pressing rod 13 to move downwards, the pressing rod 13 pushes the outward pushing piece 14 to move, the outward pushing piece 14 is changed into a second state (shown in fig. 6), and in the process of changing into the second state, the outward pushing piece 14 can push loose soil (loose soil sliding from the sunk bottom) on two sides to two sides, and the sunk bottom is exposed. At this time, the pressing rod 13 also reaches the bottom of the depression, so that the depth of the depression can be accurately measured, i.e., the scale value indicated by the top surface of the first pressing plate 10 plus the height of the threaded cylinder 9 and the fixed frame 22 (the height of the threaded cylinder 9 and the fixed frame 22 is known). The height of the screw cylinder 9 is the length from the bottom end of the screw cylinder 9 to the lower surface of the second plate member 5. After the measurement is finished, the device can be reset through the elasticity of the elastic strip 23;

if the pressing rod 13 is not yet in contact with the lowest point of the depression after the push-out piece 14 is changed to the second state, the second pressing plate 12 can be continuously pressed to move the pressing rod 13 downwards until the pressing rod 13 is in contact with the lowest point of the depression;

if accumulated water exists at the bottom of the depression, the third pressing plate 20 can be pressed to enable the pressing rod 13 to move downwards to enable the device to be changed into a second state, the connecting plate 15 is located at the bottom end position of the inside of the threaded cylinder 9 at the moment, then the third pressing plate 20 is kept pressed to be fixed, the second pressing plate 12 is pulled by the other hand to enable the sleeve 11 to reciprocate up and down, when the sleeve 11 moves upwards, the accumulated water can be sucked into the inside of the threaded cylinder 9 through the first one-way valve 16, and when the sleeve 11 moves downwards, the accumulated water can be extruded into the pipeline 17 through the second one-way valve 18 and is discharged to the outside.

Meanwhile, the length of the connecting plate 15 can be increased according to the actual use condition, as shown in fig. 7, so that accumulated water at the bottom of the settlement can be discharged to the outside as completely as possible.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ground surface subsidence detection device is used in construction on the spot, including a screw thread section of thick bamboo (9) and be used for supporting and adjust the cantilever mechanism of a screw thread section of thick bamboo (9) elevating height, its characterized in that: the one end of cantilever mechanism is provided with and is used for with the fixed establishment at the earth's surface is fixed to the device, the inside sliding connection of screw thread section of thick bamboo (9) has sleeve (11), be provided with scale mark (19) on the outer wall of sleeve (11), the upper end fixedly connected with second clamp plate (12) of sleeve (11), the inside slip of sleeve (11) is provided with presses down depression bar (13), the bottom fixedly connected with fixed frame (22) of screw thread section of thick bamboo (9), the bottom of fixed frame (22) is provided with and is used for can arranging the outer push (14) of both sides in the loosening the soil of sinking at the bottom of a pit when bulldozing down pressing down depression bar (13), the downside of sleeve (11) is provided with and is used for through relapse pull sleeve (11) and the drainage's of sinking ponding discharge drainage subassembly when pressing depression bar (13) to touch the bottom of a pit.

2. The ground surface subsidence detection apparatus for field construction according to claim 1, wherein: the cantilever mechanism comprises a first plate (3) and a second plate (5), one end of the first plate (3) is hinged to the second plate (5) through a second bolt (7), the outer thread of the second bolt (7) is connected with a nut (8), one end of the second plate (5) is connected with a threaded cylinder (9) in a threaded mode, and a first bubble level meter (6) is fixedly arranged on the upper surface of the second plate (5).

3. The ground surface subsidence detection apparatus for construction in the field according to claim 2, wherein: the fixing mechanism comprises a fixing disc (1), the fixing disc (1) is hinged to one end of a first plate (3), a first bolt (4) is connected to the first plate (3) in a threaded mode, the bottom end of the first bolt (4) abuts against the upper surface of the fixing disc (1), and four installation pressing sheets (2) which are distributed in a cross mode are fixedly connected to the outer side wall of the fixing disc (1).

4. The ground surface subsidence detection apparatus for field construction according to claim 1, wherein: the outer pushing piece (14) comprises two pairs of hard plates (141), the bottom ends of each pair of hard plates (141) are connected through a first flexible connecting part (142), the top ends of each pair of hard plates (141) are respectively connected with the bottom of the fixed frame (22) and the bottom of the pressing rod (13) through a second flexible connecting part (143), and the bottom ends of the two pairs of hard plates (141) are elastically connected through an elastic strip (23).

5. The ground surface subsidence detection apparatus for field construction according to claim 1, wherein: the drainage assembly comprises a connecting plate (15), the connecting plate (15) is fixedly sleeved outside the pressing rod (13), a first one-way valve (16) is fixedly embedded in the connecting plate (15), one side of the fixing frame (22) is communicated with a pipeline (17), and a second one-way valve (18) is arranged inside the joint of the pipeline (17) and the fixing frame (22).

6. The ground surface subsidence detection apparatus for field construction according to claim 1, wherein: the upper end of the pressing rod (13) is fixedly connected with a third pressing plate (20), a second bubble level meter (21) is fixedly arranged on the side wall of the third pressing plate (20), and the upper end of the threaded cylinder (9) is fixedly connected with a first pressing plate (10).