Early warning device for foundation pit collapse

Abstract

The utility model relates to the field of foundation pit early warning, and discloses a foundation pit collapse early warning device which comprises a base, supporting plates are arranged on the two sides of the base respectively, the supporting plates are connected with the base through connecting adjusting mechanisms, four fixing holes are formed in the top of the base in a penetrating mode, a groove is formed in one side of each supporting plate, and the supporting plates are connected with the base through connecting adjusting mechanisms. According to the foundation pit collapse early warning device, the base is installed in a foundation pit needing collapse early warning through the fixing holes, and after the supporting plate is attached to the wall of the foundation pit but not extruded, when the foundation pit deforms and collapses, the foundation pit is fixed to the base through the fixing holes, and the foundation pit is fixed to the base through the supporting plate. When the foundation pit deforms, the movable plate in the groove bears pressure transmitted by the wall of the foundation pit, then the movable plate is matched with the connecting column to drive the connecting plate to press in the direction of the button, the deformation and collapse positions of the foundation pit can be known according to the warning lamps on the L-shaped connecting plates at different positions, and the problem that an existing early warning device is difficult to know the deformation and collapse positions of the foundation pit is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit early warning technical field, concretely is a kind of for foundation pit collapse early warning device. BACKGROUND

[0002] Foundation pit collapse early warning refers to in the process of foundation pit construction, through monitoring and analyzing various possible factors and signs causing collapse, early warning is carried out in advance, so that corresponding measures are taken to prevent the occurrence of collapse accident.

[0003] The patent with the publication number CN222260241U discloses a foundation pit collapse early warning device, which comprises a foundation pit, a base is fixedly connected inside the foundation pit, a fixed column is fixedly connected to the surface of the base, an alarm is fixedly connected to the top surface of the fixed column, a displacement sensor is arranged on the side surface of the alarm, and a bolt is slidably connected inside the base. The device is manually knocked into the inside of the foundation pit, so that the end of the supporting rod first contacts the filler in the foundation pit during the descent of the bolt, the supporting rod is turned over and independently clamped into the inside of the foundation pit due to the continuous descent of the bolt, the base can be more stably fixed in the inside of the foundation pit, so that the equipment can be more convenient and stable during installation and use.

[0004] However, the device only contacts the foundation pit wall through the fixed plate to cooperate with the displacement sensor for foundation pit monitoring, but uses a whole fixed plate for support monitoring. Although collapse or deformation at any place of the foundation pit can be monitored, the position of collapse and deformation cannot be known, so it is difficult to take remedial measures. Therefore, a foundation pit collapse early warning device is proposed to solve the problem that the existing early warning device cannot know the position of foundation pit deformation and collapse. SUMMARY

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a foundation pit collapse early warning device to solve the above problems.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: A kind of for foundation pit collapse early warning device, including base, the both sides of the base are provided with support plate, the support plate is connected between base by connecting adjusting mechanism, the top of the base is penetrated and is provided with four fixing holes, the side of the support plate is provided with recess, the other side of the support plate is provided with connecting plate, the inner chamber of the recess is provided with three movable plates, the side of the movable plate is fixedly connected with four connecting columns, the outer ring of the connecting column is provided with spring, the side of the connecting plate is fixedly connected with fixed block, the side of the support plate is fixedly connected with three L-shaped connecting plates, the side of L-shaped connecting plate towards fixed block is provided with button, the other side of L-shaped connecting plate is provided with alarm lamp, the top of the base is provided with support mechanism.

[0009] Preferably, the connecting column penetrates the support plate and is slidably connected thereto, one side of the connecting column is fixedly connected with the connecting plate, and the L-shaped connecting plate penetrates the connecting plate and is slidably connected thereto.

[0010] Preferably, the spring is located between the connecting plate and the support plate, when one side of the movable plate is flush with one side of the support plate, the spring is in a normal state, and the fixed block is attached to the button but not pressed.

[0011] Preferably, the connecting adjusting mechanism includes an adjusting groove provided on one side of the base, the inner chamber of the adjusting groove is symmetrical and slidably provided with an adjusting plate, and the adjusting plate is fixedly connected with the support plate.

[0012] Preferably, the top of the base is symmetrically provided with a limiting groove, the inner chamber of the limiting groove is provided with a limiting bolt, and the limiting bolt penetrates the inner chamber of the adjusting plate and is threadedly connected thereto.

[0013] Preferably, the support mechanism includes a support seat symmetrically and fixedly connected to the top of the base, a T-shaped groove is provided at the top of the support seat, a T-shaped block is slidably provided in the inner chamber of the T-shaped groove, a reinforcing rib is fixedly connected to the top of the T-shaped block, and the reinforcing rib is fixedly connected with the support plate.

[0014] Preferably, one end of the support seat is provided with a fastening groove, the fastening groove communicates with the T-shaped groove, and a fastening bolt is provided in the inner chamber of the fastening groove, the fastening bolt penetrates the inner wall of the T-shaped block and is threadedly connected thereto.

[0015] (Three) beneficial effects

[0016] 1. This early warning device for foundation pit collapse involves installing the base in the foundation pit where the collapse warning is required through fixing holes. After the support plate is in contact with the foundation pit wall without being squeezed, when the foundation pit deforms and collapses, the movable plate in the groove will be subjected to pressure from the foundation pit wall. This pressure, combined with the connecting column, will drive the connecting plate to press in the direction of the button. Then, based on the alarm lights on the L-shaped connecting plate at different positions, the location of the foundation pit deformation and collapse can be determined, solving the problem that existing early warning devices are unable to determine the location of foundation pit deformation and collapse.

[0017] 2. In the process of adjusting the position of the support plate by connecting the adjustment mechanism, the reinforcing rib moves with the support plate under the action of the T-shaped block in the T-shaped groove of the support seat. Then, by tightening the fastening bolt in the fastening groove, the position of the T-shaped block and the reinforcing rib can be fixed, thereby improving the stability of the support plate, that is, improving the stability of this early warning device for foundation pit collapse after installation. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the present utility model;

[0019] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the structural connection and adjustment mechanism of this utility model;

[0021] Figure 4 This is a sectional view of the structural support mechanism of this utility model.

[0022] In the diagram: 1. Base; 2. Support plate; 3. Connecting adjustment mechanism; 301. Adjustment groove; 302. Adjustment plate; 303. Limiting groove; 304. Limiting bolt; 4. Fixing hole; 5. Groove; 6. Movable plate; 7. Connecting column; 8. Connecting plate; 9. Spring; 10. Fixing block; 11. L-shaped connecting plate; 12. Button; 13. Alarm light; 14. Support mechanism; 141. Support base; 142. T-slot; 143. T-block; 144. Reinforcing rib; 145. Fastening groove; 146. Fastening bolt. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Please refer to Figures 1-4A foundation pit collapse early warning device includes a base 1, with support plates 2 on both sides of the base 1. The support plates 2 are connected to the base 1 via a connecting adjustment mechanism 3. Four fixing holes 4 are provided through the top of the base 1. A groove 5 is provided on one side of the support plate 2, and a connecting plate 8 is provided on the other side of the support plate 2. Three movable plates 6 are provided in the inner cavity of the groove 5. Four connecting columns 7 are fixedly connected to one side of the movable plate 6. Springs 9 are provided on the outer ring of the connecting columns 7. A fixing block 10 is fixedly connected to one side of the connecting plate 8. Three L-shaped connecting plates 11 are fixedly connected to one side of the support plate 2. A button 12 is provided on the side of the L-shaped connecting plate 11 facing the fixing block 10. An alarm light 13 is provided on the other side of the L-shaped connecting plate 11. A support mechanism 14 is provided on the top of the base 1.

[0025] Furthermore, the connecting column 7 penetrates the support plate 2 and the two are slidably connected. One side of the connecting column 7 is fixedly connected to the connecting plate 8, and the L-shaped connecting plate 11 penetrates the connecting plate 8 and the two are slidably connected.

[0026] Furthermore, the spring 9 is located between the connecting plate 8 and the support plate 2. When one side of the movable plate 6 is flush with one side of the support plate 2, the spring 9 is in a normal state and the fixing block 10 is in contact with the button 12 but not squeezed.

[0027] Furthermore, the connecting adjustment mechanism 3 includes an adjustment groove 301 that extends through one side of the base 1. The inner cavity of the adjustment groove 301 is symmetrically provided with an adjustment plate 302, which is fixedly connected to the support plate 2.

[0028] Furthermore, the top of the base 1 is symmetrically provided with limiting grooves 303, and the inner cavity of the limiting groove 303 is provided with limiting bolts 304. The limiting bolts 304 penetrate into the inner cavity of the adjusting plate 302 and the two are threadedly connected. When this foundation pit collapse early warning device is placed in the foundation pit, the distance between the two support plates 2 can be adjusted according to the size of the foundation pit by adjusting the adjusting plate 302 in the adjusting groove 301, so that the support plates 2 fit against the foundation pit wall but do not squeeze. During the process, the limiting bolts 304 in the limiting groove 303 move with the adjusting plate 302. After adjustment, tightening the limiting bolts 304 can fix the position of the adjusting plate 302 together with the support plates 2, thereby improving the applicability of this foundation pit collapse early warning device.

[0029] Furthermore, the support mechanism 14 includes a support base 141 symmetrically and fixedly connected to the top of the base 1. The top of the support base 141 is provided with a T-shaped groove 142. A T-shaped block 143 is slidably arranged in the inner cavity of the T-shaped groove 142. A reinforcing rib 144 is fixedly connected to the top of the T-shaped block 143. The reinforcing rib 144 is fixedly connected to the support plate 2.

[0030] Furthermore, a fastening groove 145 is provided at one end of the support base 141. The fastening groove 145 is interconnected with the T-slot 142 and a fastening bolt 146 is provided in the inner cavity. The fastening bolt 146 penetrates to the inner wall of the T-block 143 and the two are threadedly connected. During the process of adjusting the position of the support plate 2 by connecting the adjustment mechanism 3, the reinforcing rib 144 moves with the support plate 2 under the action of the T-block 143 in the T-slot 142 in the support base 141. Then, by tightening the fastening bolt 146 in the fastening groove 145, the position of the T-block 143 together with the reinforcing rib 144 can be fixed, thereby improving the stability of the support plate 2, that is, improving the stability of this device used for early warning of foundation pit collapse after installation.

[0031] Working Principle: When using this pit collapse early warning device, the base 1 is installed in the pit to be warned of collapse through the fixing hole 4, so that the support plate 2 is in contact with the pit wall but not squeezed. When the pit deforms and collapses, the movable plate 6 in the groove 5 will be subjected to the pressure from the pit wall, which in turn, in conjunction with the connecting column 7, drives the connecting plate 8 to press towards the button 12. Then, according to the alarm light 13 on the L-shaped connecting plate 11 at different positions, the location of the pit deformation and collapse can be known, which solves the problem that existing early warning devices are difficult to know the location of pit deformation and collapse. When this pit collapse early warning device is placed in the pit, the distance between the two support plates 2 can be adjusted according to the size of the pit by adjusting the adjusting plate 302 in the adjusting groove 301, so that the support plate 2 is in contact with the pit wall but not squeezed. During the process, the limiting bolt 304 in the limiting groove 303 moves with the adjusting plate 302. After adjustment, tightening the limiting bolt 304 can fix the position of the adjusting plate 302 and the support plate 2, improving the applicability of this pit collapse early warning device.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for early warning of foundation pit collapse, comprising a base (1), characterized in that: The base (1) is provided with support plates (2) on both sides. The support plates (2) are connected to the base (1) through the connecting adjustment mechanism (3). The top of the base (1) is provided with four fixing holes (4). The support plate (2) is provided with a groove (5) on one side. The support plate (2) is provided with a connecting plate (8) on the other side. The groove (5) is provided with three movable plates (6). The movable plate (6) is fixedly connected with four connecting columns (7) on one side. The connecting column (7) is provided with a spring (9) on the outer ring. The connecting plate (8) is fixedly connected with a fixing block (10) on one side. The support plate (2) is fixedly connected with three L-shaped connecting plates (11). The L-shaped connecting plate (11) is provided with a button (12) on the side facing the fixing block (10). The L-shaped connecting plate (11) is provided with an alarm light (13) on the other side. The top of the base (1) is provided with a support mechanism (14).

2. The early warning device for foundation pit collapse according to claim 1, characterized in that: The connecting column (7) penetrates the support plate (2) and the two are slidably connected. One side of the connecting column (7) is fixedly connected to the connecting plate (8). The L-shaped connecting plate (11) penetrates the connecting plate (8) and the two are slidably connected.

3. The early warning device for foundation pit collapse according to claim 1, characterized in that: The spring (9) is located between the connecting plate (8) and the support plate (2). When one side of the movable plate (6) is flush with one side of the support plate (2), the spring (9) is in normal condition and the fixing block (10) is in contact with the button (12) but not squeezed.

4. The early warning device for foundation pit collapse according to claim 1, characterized in that: The connection adjustment mechanism (3) includes an adjustment groove (301) that runs through one side of the base (1). The inner cavity of the adjustment groove (301) is symmetrical and an adjustment plate (302) is slidably arranged thereon. The adjustment plate (302) is fixedly connected to the support plate (2).

5. A foundation pit collapse early warning device according to claim 4, characterized in that: The base (1) has symmetrically provided limiting grooves (303) on its top. The inner cavity of the limiting groove (303) is provided with limiting bolts (304). The limiting bolts (304) penetrate into the inner cavity of the adjusting plate (302) and the two are threadedly connected.

6. A foundation pit collapse early warning device according to claim 1, characterized in that: The support mechanism (14) includes a support base (141) symmetrically and fixedly connected to the top of the base (1). The top of the support base (141) is provided with a T-shaped groove (142). A T-shaped block (143) is slidably arranged in the inner cavity of the T-shaped groove (142). A reinforcing rib (144) is fixedly connected to the top of the T-shaped block (143). The reinforcing rib (144) is fixedly connected to the support plate (2).

7. A foundation pit collapse early warning device according to claim 6, characterized in that: One end of the support base (141) is provided with a fastening groove (145), which is interconnected with the T-shaped groove (142) and has a fastening bolt (146) in its inner cavity. The fastening bolt (146) penetrates to the inner wall of the T-shaped block (143) and the two are threaded together.

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