Monitoring device for foundation pit settlement

Abstract

The utility model belongs to the technical field of settlement monitoring, and discloses a monitoring device for foundation pit settlement, which comprises a settlement component for following the settlement of a foundation pit, and further comprises an amplification component for changing the reflection angle of a laser beam along with rotation, and a host component for receiving and releasing the laser beam to display a monitoring result is arranged on the amplification component. The sedimentation assembly is in sliding contact with the amplification assembly; the amplification assembly comprises a fixing frame, a rotating shaft is installed at one end of the fixing frame, a swinging frame is arranged on one side of the rotating shaft, and a reflecting mirror is installed on one face of the swinging frame; the main machine assembly comprises a main machine body. According to the monitoring device for foundation pit settlement, due to the arrangement of flexible placement, the monitoring device is convenient to take, place and use repeatedly; through the arrangement of the swing reflection amplification displacement, the sensitivity of foundation pit settlement monitoring is improved; and through the arrangement of laser beam reflection displacement, the interference of internal friction is reduced, and the overall adaptability to inclination is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of settlement monitoring, in particular to a monitoring device for foundation pit settlement. Background Art

[0002] As modern buildings grow taller and heavier, foundation pit settlement becomes more frequent during construction. In order to ensure construction safety, the foundation pit settlement value must be monitored at any time during construction to facilitate comparison with the set safety value for early warning.

[0003] In contrast, the Chinese patent with announcement number CN113432579B discloses a device for monitoring foundation pit settlement, including a protective member fixed on the surface of the foundation pit and a sinker arranged at the bottom of the protective member through a connecting member, the sinker can be extended into the borehole of the foundation pit, and a receiving mechanism is movably installed on the outer wall of the sinker, and the receiving mechanism includes a receiving assembly located on the outer wall of the sinker; and a rotating part installed on the side wall of the sinker, and the end of the rotating part away from the receiving assembly is movably connected to the toggle mechanism; and a toggle mechanism movably arranged at one end of the sinker extending into the borehole, the toggle mechanism moves relative to the sinker shell when the sinker extends into the borehole of the foundation pit, and pulls the rotating part movably connected to the toggle mechanism to unfold the receiving assembly; and a pulling part is fixed inside the sinker, and the end of the pulling part extending into the protective member is connected to a measuring mechanism for measuring the settlement distance of the sinker.

[0004] However, the receiving component of the above patent is deeply embedded in the borehole wall, which prevents the whole component from being removed and recycled for reuse, so a new device must be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a monitoring device for foundation pit settlement to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A monitoring device for foundation pit settlement, comprising a settlement component for following the settlement of the foundation pit, and also comprising an amplification component for following the rotation to change the reflection angle of a laser beam, the amplification component is provided with a main unit component for retracting and releasing the laser beam to display the monitoring results, and the settlement component and the amplification component are in sliding contact; the amplification component comprises a fixed frame, one end of the fixed frame is provided with a rotating shaft, one side of the rotating shaft is provided with a swing frame, and one side of the swing frame is provided with a reflector; the main unit component comprises a main body, one side of the main body is provided with a display screen, below the display screen are control keys, a side of the main body away from the display screen is provided with a laser receiver, and below the main body is provided with a laser transmitter.

[0008] Furthermore: the sedimentation assembly includes a bottom plate, a transmission plate is arranged on the bottom plate, and an arc guide surface is arranged on the top of the transmission plate.

[0009] Furthermore: the base plate is circular, and the laser emitter is installed at the center of the base plate.

[0010] Furthermore, the rotating shaft is connected to the fixed frame bearing, and the swing frame and the rotating shaft are welded together.

[0011] Furthermore: the reflector is rectangular, and the reflector and the swing frame are pasted together.

[0012] Furthermore: the main body and the fixing frame are connected by bolts.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. Flexible placement makes it easy to take and reuse;

[0015] 2. The sensitivity of foundation pit settlement monitoring is improved by setting the swing reflection amplification displacement;

[0016] 3. Through the setting of laser beam reflection displacement, the interference of internal friction is reduced and the overall adaptability to tilt is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a monitoring device for foundation pit settlement described in the utility model;

[0018] Figure 2 It is a schematic diagram of a settlement component of a monitoring device for foundation pit settlement according to the utility model;

[0019] Figure 3 It is a schematic diagram of an amplifier component of a monitoring device for foundation pit settlement described in the utility model;

[0020] Figure 4 It is a right axonometric view of a main unit component of a monitoring device for foundation pit settlement described in the utility model;

[0021] Figure 5 It is a left axonometric view of a main unit component of a monitoring device for foundation pit settlement described in the utility model.

[0022] In the accompanying drawings, 101, base plate; 102, transmission plate; 103, arc guide surface; 201, fixed frame; 202, swing frame; 203, reflector; 204, rotating shaft; 301, main body; 302, display screen; 303, control key; 304, laser transmitter; 305, laser receiver. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 A monitoring device for foundation pit settlement includes a settlement component for following the settlement of the foundation pit, and also includes an amplification component for following the rotation to change the reflection angle of the laser beam. The amplification component is provided with a main unit component for retracting and releasing the laser beam to display the monitoring results. The settlement component and the amplification component are in sliding contact.

[0025] In this embodiment: the sinking assembly includes a bottom plate 101, the bottom plate 101 is circular, the laser emitter 304 is installed at the center of the bottom plate 101, a transmission plate 102 is arranged on the bottom plate 101, and an arc guide surface 103 is arranged on the top of the transmission plate 102. When the bottom surface of the drill hole sinks, the transmission plate 102 sinks with the bottom plate 101, and the swing frame 202 rotates close to the arc guide surface 103 on the top of the transmission plate 102 under the action of gravity;

[0026] In this embodiment: the amplification component includes a fixed frame 201, a rotating shaft 204 is installed at one end of the fixed frame 201, the rotating shaft 204 and the fixed frame 201 are connected by a bearing, a swing frame 202 is arranged on one side of the rotating shaft 204, the swing frame 202 and the rotating shaft 204 are welded together, a reflector 203 is installed on one side of the swing frame 202, the reflector 203 is rectangular, the reflector 203 and the swing frame 202 are pasted together, the swing frame 202 is close to the arc guide surface 103 at the top of the transmission plate 102 under the action of gravity, and rotates around the rotating shaft 204 supported by the fixed frame 201 as the center, so that the reflector 203 rotates, and the reflector 203 reflects the laser beam emitted by the laser transmitter 304 to the laser receiver 305, and generates a corresponding increased displacement;

[0027] In this embodiment: the main body component includes a main body 301, the main body 301 and the fixing frame 201 are bolted together, a display screen 302 is installed on one side of the main body 301, and a control key 303 is arranged below the display screen 302. A laser receiver 305 is installed on the side of the main body 301 away from the display screen 302, and a laser emitter 304 is arranged below the main body 301. The main body 301 controls the laser emitter 304 to emit a laser beam, and the laser receiver 305 transmits the collected laser beam displacement signal to the main body 301, and the main body 301 displays the data information on the display screen 302.

[0028] Working principle: Place the base plate 101 on the bottom surface of the drilled hole, and make the transmission plate 102 protrude from the drilled hole. Place the fixed frame 201 next to the drilled hole, and place the swing frame 202 obliquely on the arc guide surface 103 at the top of the transmission plate 102. When the bottom surface of the drilled hole sinks, the transmission plate 102 sinks along with the base plate 101. Under the action of gravity, the swing frame 202 clings to the arc guide surface 103 at the top of the transmission plate 102, and rotates around the rotating shaft 204 supported by the fixed frame 201, so that the reflector 203 rotates, causing the laser beam emitted by the laser transmitter 304 to irradiate the reflector 203, be reflected to the laser receiver 305, also be displaced and amplified, and the main body 301 receives the signal and displays the data information on the display screen 302.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A monitoring device for foundation pit settlement, comprising a settlement component for following the settlement of the foundation pit, characterized in that: It also includes an amplification component for changing the reflection angle of the laser beam by following the rotation, the amplification component is provided with a host component for retracting and releasing the laser beam to display the monitoring result, and the settling component is in sliding contact with the amplification component; The amplification component comprises a fixed frame (201), a rotating shaft (204) is installed at one end of the fixed frame (201), a swing frame (202) is arranged on one side of the rotating shaft (204), and a reflecting mirror (203) is installed on one side of the swing frame (202); The host assembly comprises a host body (301), a display screen (302) being mounted on one side of the host body (301), a control key (303) being arranged below the display screen (302), a laser receiver (305) being mounted on one side of the host body (301) away from the display screen (302), and a laser transmitter (304) being arranged below the host body (301).

2. A monitoring device for foundation pit settlement according to claim 1, characterized in that: The sedimentation assembly comprises a bottom plate (101), a transmission plate (102) is arranged on the bottom plate (101), and an arc guide surface (103) is arranged at the top end of the transmission plate (102).

3. A monitoring device for foundation pit settlement according to claim 2, characterized in that: The base plate (101) is circular, and the laser emitter (304) is installed at the center of the base plate (101).

4. A monitoring device for foundation pit settlement according to claim 1, characterized in that: The rotating shaft (204) and the fixed frame (201) are bearing-connected, and the swing frame (202) and the rotating shaft (204) are welded together.

5. The monitoring device for foundation pit settlement according to claim 1, characterized in that: The reflector (203) is rectangular, and the reflector (203) and the swing frame (202) are pasted together.

6. The monitoring device for foundation pit settlement according to claim 1, characterized in that: The main body (301) and the fixing frame (201) are connected by bolts.

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