Ground subsidence monitoring point pre-embedding device

Abstract

The utility model discloses a ground subsidence monitoring point pre-embedding device, which relates to the technical field of ground subsidence monitoring point pre-embedding devices, and comprises a protection component and a plugging component, the protection component consists of a pre-embedding box and a box cover, and the pre-embedding box and the box cover are respectively provided with an observation point mounting hole and an observation through hole; the plugging assembly comprises a plugging unit and a self-locking unit; the blocking unit is used for blocking the observation through hole, and blocking of the observation through hole is relieved through horizontal rotation opening of the blocking unit; the self-locking unit is used for conducting self-locking on the blocking unit in the opened state. The settlement observation point can be protected by arranging the protection assembly and the plugging assembly, compared with a traditional flip cover opening structure, the settlement observation point can not protrude out of the ground through a horizontal rotation opening structure of the circular sealing cover, the use safety is higher, and when the circular sealing cover is forgotten to be closed, the settlement observation point can be prevented from being damaged. When pedestrians or vehicles make contact with and extrude the lifting rod, automatic closing of the circular sealing cover can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ground subsidence monitoring point pre -buried device technical field, specifically a ground subsidence monitoring point pre -buried device. BACKGROUND

[0002] The subsidence observation point refers to the observation point used in the measurement of the height change of the observed object.

[0003] The existing ground subsidence monitoring point is fixed in the pre -buried mode, and the monitoring point is protected through a pre -buried box, the opening mode of the pre -buried box is the flip -cover structure, and the following problems exist when using it:

[0004] When the pre -buried box is pre -buried on the road, when the pre -buried box cover is opened and forgotten to close, it will cause safety hazards to pedestrians and vehicles, based on this, a ground subsidence monitoring point pre -buried device is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at: in order to solve the problem in the above -mentioned background, provide a ground subsidence monitoring point pre -buried device.

[0006] In order to achieve the above -mentioned purpose, the utility model provides the following technical scheme: a ground subsidence monitoring point pre -buried device, including the protection assembly that is composed of pre -buried box, box cover, pre -buried box and box cover are opened with observation point installation hole, observation through -hole respectively, the observation point installation hole and observation through -hole are along the vertical concentric distribution and deviate the central position of pre -buried box and box cover;

[0007] The bottom of the box cover is provided with a plugging assembly, and the plugging assembly is used for realizing the plugging and unblocking operation of the observation through -hole;

[0008] The plugging assembly includes a plugging unit and a self -locking unit.

[0009] The plugging unit is used for realizing the plugging of the observation through -hole, and the plugging of the observation through -hole is removed through the horizontal rotation of the plugging unit.

[0010] The self -locking unit is used for the self -locking of the plugging unit in the open state.

[0011] As a further scheme of the utility model: the plugging unit includes a circular cover, a rotating shaft and a rotating cap.

[0012] The top of the observation point installation hole is formed with a concave groove on one side of the observation through -hole, and the bottom of the observation point installation hole is fixed with an arc L type support block on the side of the observation through -hole.

[0013] The circular cover is attached to the lower surface of the observation point mounting hole and is clamped in the inner side of the arc L-shaped support block, and the circular cover is distributed directly below the observation through hole to achieve the plugging operation of the observation through hole.

[0014] The rotating shaft is fixed to one side of the circular cover and penetrates the observation point mounting hole to the inside of the concave groove, the rotating cap is fixed to the top of the rotating shaft and is distributed in the inside of the concave groove, and the rotating cap is twisted by a tool to achieve the horizontal rotation opening operation of the circular cover.

[0015] As a further scheme of the utility model: the self-locking unit includes a ratchet wheel, a connecting column, a fan-shaped pressing block, an L-shaped seat, a lifting rod, an elastic ratchet, a limiting sleeve and a spring.

[0016] The ratchet wheel, the connecting column and the fan-shaped pressing block are fixed and connected in sequence from top to bottom along the vertical direction, and the ratchet wheel is fixed to the bottom end of the rotating shaft.

[0017] The L-shaped seat is fixed to the bottom of the box cover and is distributed on the side of the rotating shaft away from the circular cover, the lifting rod is vertically and slidingly connected to the transverse part of the L-shaped seat, the elastic ratchet is fixed to the side of the lifting rod close to the ratchet wheel, and the initial height of the elastic ratchet is below the ratchet wheel.

[0018] The limiting sleeve is slidingly sleeved at the bottom of the lifting rod, the spring is distributed between the bottom of the lifting rod and the inner wall bottom of the limiting sleeve, the limiting sleeve is distributed on the rotation track of the fan-shaped pressing block, and the bottom end of the limiting sleeve has an initial height lower than the horizontal height of the upper surface of the fan-shaped pressing block.

[0019] When the circular cover is rotated and opened, the fan-shaped pressing block is synchronously rotated to extrude the limiting sleeve, the spring, the elastic ratchet and the lifting rod to move upward as a whole, so that the elastic ratchet moves upward and is clamped with the ratchet wheel to realize one-way rotation locking of the ratchet wheel, thereby realizing locking of the opening state of the circular cover.

[0020] As a further scheme of the utility model: the self-locking unit further includes a torsion spring, the torsion spring is sleeved outside the rotating shaft, and the upper and lower ends of the torsion spring are respectively welded and fixed to the bottom of the box cover and the bottom of the ratchet wheel, so as to provide a reset elastic force of the circular cover towards the arc L-shaped support block.

[0021] A through hole for upward movement of the lifting rod is formed in the position where the top of the box cover is aligned with the lifting rod, the fan-shaped pressing block is rotated to extrude the limiting sleeve, so that the top of the lifting rod protrudes above the box cover through the through hole, and the elastic ratchet is moved downward by pressing the lifting rod to release the locking of the ratchet wheel, so as to realize automatic resetting of the circular cover.

[0022] As a further scheme of the utility model: a square limiting block is fixed above the L-shaped seat transverse part outside the lifting rod, and the side surface of the square limiting block is attached to the vertical part side surface of the L-shaped seat.

[0023] As a further scheme of the utility model: the arc surface structure is arranged on the side of the fan-shaped briquetting close to the limiting sleeve, the bottom of the limiting sleeve is in spherical surface structure, and the lower surface of the fan-shaped briquetting is not in contact with the bottom of the embedded box.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] The protection and plugging components are arranged to protect the settlement observation point, and the circular cover is horizontally rotated to open the structure, which is higher in use safety than the traditional flip-open structure and does not protrude from the ground, and when the circular cover is forgotten to be closed, the pedestrian or vehicle can automatically close the circular cover when the circular cover is contacted and pressed to the lifting rod. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is a structural schematic view of the utility model;

[0027] Fig. 2 It is a split schematic view of the box cover and the embedded box of the utility model;

[0028] Fig. 3 It is a structural bottom view of the split state of the box cover and the embedded box of the utility model;

[0029] Fig. 4 It is a structural distribution view of the plugging component and the box cover of the utility model;

[0030] Fig. 5 It is a split schematic view of the plugging component and the box cover of the utility model;

[0031] Fig. 6 It is a structural sectional view of the L-shaped seat and the limiting sleeve of the utility model.

[0032] In the drawing: 1, protection component; 101, embedded box; 102, observation point mounting hole; 103, box cover; 104, observation through hole; 105, concave groove; 106, through hole; 107, arc L-shaped support block; 2, plugging component; 201, circular cover; 202, rotating shaft; 203, screw cap; 204, ratchet wheel; 205, connecting column; 206, fan-shaped briquetting; 207, torsional spring; 208, L-shaped seat; 209, lifting rod; 210, square limiting block; 211, elastic ratchet; 212, limiting sleeve; 213, spring. DETAILED DESCRIPTION

[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] Please refer to Figs. 1-6 In the embodiments of the present application, a ground subsidence monitoring point pre-burying device comprises a protection assembly 1 composed of a pre-burying box 101 and a box cover 103, the pre-burying box 101 and the box cover 103 are respectively provided with an observation point mounting hole 102 and an observation through hole 104, the observation point mounting hole 102 and the observation through hole 104 are vertically concentrically distributed and deviate from the center positions of the pre-burying box 101 and the box cover 103.

[0035] The bottom of the box cover 103 is provided with a plugging assembly 2, which is used to realize plugging and unplugging operations of the observation through hole 104.

[0036] The plugging assembly 2 comprises a plugging unit and a self-locking unit.

[0037] The plugging unit is used to realize plugging of the observation through hole 104, and the plugging of the observation through hole 104 is released by horizontal rotation of the plugging unit.

[0038] The self-locking unit is used to self-lock the plugging unit in the open state.

[0039] The plugging unit comprises a circular cover 201, a rotating shaft 202 and a rotating cap 203.

[0040] The top of the observation point mounting hole 102 is formed with a concave groove 105 on one side of the observation through hole 104, and the bottom of the observation point mounting hole 102 is fixed with an arc L-shaped support block 107 on the side of the observation through hole 104.

[0041] The circular cover 201 is attached to the lower surface of the observation point mounting hole 102 and is clamped inside the arc L-shaped support block 107, and the circular cover 201 is distributed directly below the observation through hole 104 to realize plugging operation of the observation through hole 104.

[0042] The rotating shaft 202 is fixed to one side of the circular cover 201 and penetrates the observation point mounting hole 102 to the inside of the concave groove 105, the rotating cap 203 is fixed to the top of the rotating shaft 202 and is distributed inside the concave groove 105, and the rotating cap 203 is twisted by a tool to realize horizontal rotation opening operation of the circular cover 201.

[0043] The locking unit comprises a ratchet wheel 204, a connecting column 205, a sector-shaped pressing block 206, a torsion spring 207, an L-shaped seat 208, a lifting rod 209, an elastic ratchet 211, a limiting sleeve 212 and a spring 213.

[0044] The ratchet wheel 204, the connecting column 205 and the sector-shaped pressing block 206 are sequentially fixed and connected in the vertical direction from top to bottom, and the ratchet wheel 204 is fixed to the bottom end of the rotating shaft 202.

[0045] The L-shaped seat 208 is fixed to the bottom of the box cover 103 and is distributed on the side of the rotating shaft 202 away from the circular cover 201, the lifting rod 209 is vertically and slidingly connected to the transverse part of the L-shaped seat 208, the elastic ratchet 211 is fixed to the side of the lifting rod 209 close to the ratchet wheel 204, and the initial height of the elastic ratchet 211 is below the ratchet wheel 204.

[0046] The limiting sleeve 212 is slidingly sleeved at the bottom of the lifting rod 209, the spring 213 is distributed between the bottom of the lifting rod 209 and the inner wall of the limiting sleeve 212, the limiting sleeve 212 is distributed on the rotating track of the sector-shaped pressing block 206, and the bottom end of the limiting sleeve 212 has an initial height lower than the horizontal height of the upper surface of the sector-shaped pressing block 206.

[0047] When the circular cover 201 is rotated to be opened, the sector-shaped pressing block 206 is synchronously rotated to extrude the limiting sleeve 212, the spring 213, the elastic ratchet 211 and the lifting rod 209 as a whole to move upward, so as to make the elastic ratchet 211 move upward and be connected with the ratchet wheel 204 to realize the one-way rotation locking of the ratchet wheel 204, thereby realizing the locking of the opened state of the circular cover 201.

[0048] The torsion spring 207 is sleeved on the outer side of the rotating shaft 202, and the upper and lower ends of the torsion spring 207 are respectively welded and fixed to the bottom of the box cover 103 and the bottom of the ratchet wheel 204, so as to provide a restoring elastic force of the circular cover 201 towards the arc-shaped L-shaped supporting block 107.

[0049] A through hole 106 is formed in the position of the top of the box cover 103 aligned with the lifting rod 209, the sector-shaped pressing block 206 is extruded to move upward when the limiting sleeve 212 is rotated, so that the top of the lifting rod 209 protrudes above the box cover 103 through the through hole 106, and the locking of the ratchet wheel 204 is released by pressing the lifting rod 209 to make the elastic ratchet 211 move downward, so as to realize the automatic resetting of the circular cover 201.

[0050] In the embodiment, the protection assembly 1 is used by embedding the box 101 and the settlement observation point in the ground, the settlement observation point is located in the observation point mounting hole 102, and then the box cover 102 is fixed on the top of the box 101 by screws. In the daily state, the circular cover 201 seals the observation hole 104 to protect the settlement observation point. When the settlement observation point needs to be used for settlement observation, the following operations are performed.

[0051] By means of a tool (for example, a screwdriver), the cap 203 is screwed, and the cap 203 drives the rotation of the shaft 202, the ratchet wheel 204, the connecting column 205, and the fan-shaped pressing block 206 as a whole, the shaft 202 drives the rotation of the circular cover 201 away from the arc-shaped L-shaped supporting block 107, and the torsion spring 207 is further deformed (it is to be noted that the torsion spring 207 is also deformed in the initial state), and the circular cover 201 is rotated away from the observation through hole 104, so that the observation through hole 104 is turned on, and thus the subsidence observation point located directly below the observation through hole 104 can be contacted;

[0052] At the same time, the fan-shaped pressing block 206 is rotated to be close to the limiting sleeve 212 and to press it, and since the ratchet wheel 204 is also rotated synchronously at this time, the elastic ratchet 211 may be blocked by the ratchet wheel 204 and cannot be moved upward, therefore, when the elastic ratchet 211 is blocked by the ratchet wheel 204 and cannot be moved upward, the limiting sleeve 212 is moved upward under the extrusion force and extrudes the spring 213 to contract, and the lifting rod 209 and the elastic ratchet 211 remain stationary as a whole, when the teeth groove of the ratchet wheel 204 is aligned with the elastic ratchet 211, the lifting rod 209 and the elastic ratchet 211 are quickly moved upward under the elastic force of the spring 213, the top of the lifting rod 209 protrudes above the box cover 103, the elastic ratchet 211 is horizontally aligned with the ratchet wheel 204 and is clamped with the teeth groove of the ratchet wheel 204, and then during the continuous rotation of the ratchet wheel 204, the elastic ratchet 211 is deformed under stress and does not affect the rotation of the ratchet wheel 204, if the ratchet wheel 204 is reversely rotated, the elastic ratchet 211 blocks the reverse rotation of the ratchet wheel 204 (it is to be noted that the principle is the same as the existing principle of one-way self-locking of ratchet and tooth, which will not be described in detail here), and thus the self-locking of the open state of the circular cover 201 is realized;

[0053] When the measurement is completed, the top of the lifting rod 209 is pressed by the foot, the lifting rod 209 drives the elastic ratchet 211 to move downward, at this time, the limiting sleeve 212 remains stationary under the support of the fan-shaped pressing block 206, the spring 213 is contracted again, the elastic ratchet 211 moves downward to below the ratchet 204, and thus the one-way locking of the ratchet 204 is released, at this time, the ratchet 204, the shaft 202, the cap 203, the connecting column 205, and the fan-shaped pressing block 206 are rotated to reset under the elastic force of the torsion spring 207, the circular cover 201 is driven to reset below the through hole 104, and the through hole 104 is blocked (it is to be noted that the circular cover 201 is clamped on the inner side of the arc-shaped L-shaped supporting block 107, and the arc-shaped L-shaped supporting block 107 is used to support the circular cover 201, so that the bearing pressure of the circular cover 201 is greater);

[0054] The horizontal rotation opening structure of the circular cover 201 does not protrude from the ground compared with the traditional flip opening structure, is safer to use, and when the circular cover 201 is forgotten to be closed, the pedestrian or vehicle can be automatically closed (it is to be noted that the top of the lifting rod 209 is a spherical structure, and the lifting rod 209 protrudes from the top of the box cover 103 by a small fixed height, and does not interfere with the pedestrian or vehicle) when being contacted and pressed.

[0055] It is to be further noted that the observation point installation hole 102 and the observation through hole 104 are arranged at positions deviated from the center of the embedded box 101 and the box cover 103, so that the circular cover 201 has a large rotation angle inside the embedded box 101, so as to ensure that the observation through hole 104 is completely unblocked when the circular cover 201 is opened.

[0056] Please refer to Figs. 3-6 The square limiting block 210 is fixed above the horizontal part of the L-shaped seat 208 on the outer side of the lifting rod 209, and the side surface of the square limiting block 210 is attached to the side surface of the vertical part of the L-shaped seat 208.

[0057] The side of the fan-shaped pressing block 206 close to the limiting sleeve 212 is an arc surface structure, the bottom of the limiting sleeve 212 is a spherical surface structure, and the lower surface of the fan-shaped pressing block 206 does not contact the bottom of the embedded box 101.

[0058] In the embodiment, the square limiting block 210 is arranged to limit the up-down movement height and rotation of the lifting rod 209, so as to ensure the stability of the engagement state of the elastic ratchet 211 and the ratchet wheel 204.

[0059] The arc surface structure of the fan-shaped pressing block 206 and the spherical surface structure of the limiting sleeve 212 make the contact and pressing between them more smooth and have smaller resistance, and the fan-shaped pressing block 206 does not contact the bottom of the embedded box 101, so as to avoid collision interference with the settlement observation point.

[0060] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A ground subsidence monitoring point pre-embedding device, comprising a protection assembly (1) composed of a pre-embedding box (101) and a box cover (103), characterized in that, The observation point mounting hole (102) and the observation through hole (104) are concentrically distributed along the vertical direction and deviate from the center positions of the embedded box (101) and the box cover (103); The bottom of the box cover (103) is provided with a plugging assembly (2), which is used to realize the plugging and unplugging operation of the observation through hole (104); The plugging assembly (2) comprises a plugging unit and a self-locking unit; The plugging unit is used to realize the plugging of the observation through hole (104), and the plugging of the observation through hole (104) is opened by horizontal rotation of the plugging unit; The self-locking unit is used to self-lock the plugging unit in the open state; The plugging unit comprises a circular cover (201), a rotating shaft (202) and a rotating cap (203); The top of the observation point mounting hole (102) is formed with a concave groove (105) on one side of the observation through hole (104), and the bottom of the observation point mounting hole (102) is fixed with an arc L-shaped support block (107) on the side of the observation through hole (104); The circular cover (201) is attached to the lower surface of the observation point mounting hole (102) and is clamped on the inner side of the arc L-shaped support block (107), and the circular cover (201) is distributed directly below the observation through hole (104) to realize the plugging operation of the observation through hole (104); The rotating shaft (202) is fixed on one side of the circular cover (201) and penetrates the observation point mounting hole (102) to the inside of the concave groove (105), and the rotating cap (203) is fixed on the top of the rotating shaft (202) and is distributed on the inner side of the concave groove (105). The rotating cap (203) is twisted by a tool to realize the horizontal rotation opening operation of the circular cover (201); The self-locking unit comprises a ratchet wheel (204), a connecting column (205), a fan-shaped pressing block (206), an L-shaped seat (208), a lifting rod (209), an elastic ratchet (211), a limiting sleeve (212) and a spring (213); The ratchet wheel (204), the connecting column (205) and the fan-shaped pressing block (206) are fixed and connected in sequence from top to bottom along the vertical direction, and the ratchet wheel (204) is fixed on the bottom end of the rotating shaft (202); The L-shaped seat (208) is fixed on the bottom of the box cover (103) and is distributed on the side of the rotating shaft (202) away from the circular cover (201), the lifting rod (209) is vertically and slidingly connected to the horizontal part of the L-shaped seat (208), the elastic ratchet (211) is fixed on the side of the lifting rod (209) close to the ratchet wheel (204), and the initial height of the elastic ratchet (211) is below the ratchet wheel (204); The limiting sleeve (212) is sleeved on the bottom of the lifting rod (209), the spring (213) is distributed between the bottom of the lifting rod (209) and the inner wall bottom of the limiting sleeve (212), the limiting sleeve (212) is distributed on the rotating track of the fan-shaped pressing block (206), and the bottom end of the limiting sleeve (212) is initially lower than the horizontal height of the upper surface of the fan-shaped pressing block (206); When the circular cover (201) is rotated to be opened, the fan-shaped pressing block (206) is synchronously rotated to extrude the limiting sleeve (212), the spring (213), the elastic ratchet (211) and the lifting rod (209) as a whole to move upward, so that the elastic ratchet (211) moves upward and is clamped with the ratchet wheel (204) to realize the one-way rotation locking of the ratchet wheel (204), and the opening state of the circular cover (201) is locked; The self-locking unit further comprises a torsion spring (207), the torsion spring (207) is sleeved on the outer side of the rotating shaft (202), and the upper end and the lower end of the torsion spring (207) are respectively welded and fixed with the bottom of the box cover (103) and the bottom of the ratchet wheel (204), so as to provide the resetting elastic force of the circular cover (201) to the arc L-shaped supporting block (107); The top of the box cover (103) is provided with a through hole (106) for the upward movement of the lifting rod (209), the fan-shaped pressing block (206) is extruded to the limiting sleeve (212) to make the top of the lifting rod (209) protrude above the box cover (103) through the through hole (106), the lifting rod (209) is pressed to drive the elastic ratchet (211) to move downward to release the locking of the ratchet wheel (204), and the automatic resetting of the circular cover (201) is realized.

2. The ground subsidence monitoring point pre-burying device according to claim 1, characterized in that, The outer side of the lifting rod (209) is fixed with a square limiting block (210) above the horizontal part of the L-shaped seat (208), and the side surface of the square limiting block (210) is attached to the side surface of the vertical part of the L-shaped seat (208).

3. The ground subsidence monitoring point pre-burying device according to claim 1, characterized in that, The side of the fan-shaped pressing block (206) close to the limiting sleeve (212) is arc-shaped, the bottom of the limiting sleeve (212) is spherical, and the lower surface of the fan-shaped pressing block (206) is not in contact with the bottom of the embedded box (101).

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