Pile displacement monitoring device

Abstract

The utility model relates to the technical field of pile displacement monitoring, and discloses a pile displacement monitoring device, including an upper prism, a plurality of lower prisms, a plurality of brackets and a total station, wherein the bracket is used to install the upper prism or the lower prism, the bracket is installed on the supporting pile, and along the longitudinal direction of the supporting pile, the lower prisms are arranged in intervals and in correspondence; the bracket includes a frame, a frame rod and a frame motor, the frame rod is installed on the frame, the upper prism or the lower prism is installed on the frame rod, the frame motor is used to drive the frame rod to be arranged in rotation, and the total station is used to monitor the displacement of the upper prism and the lower prisms and draw a vertical displacement curve. By monitoring the displacement of the upper prism and the lower prisms and drawing a vertical displacement curve through the total station, the displacement of the pile body of the supporting pile in the excavation range can be directly reflected, so that even if the inclinometer tube is damaged and the displacement monitoring cannot be completed, the engineer can also monitor the displacement of the pile body of the supporting pile through the monitoring of the total station.

Description

Technical Field

[0001] The utility model patent relates to the technical field of pile displacement monitoring, and specifically, to a pile displacement monitoring device. Background Art

[0002] Foundation pit monitoring is an important part of foundation pit construction. It refers to various observations and analyses of changes in foundation pit rock and soil properties, support structure displacement and surrounding environmental conditions during foundation pit excavation and underground engineering construction. The monitoring results are fed back in a timely manner to predict the deformation and stable state development that will result from further construction. The degree of impact of the construction on the surrounding environment is determined based on the prediction to guide the design and construction, thus realizing the so-called information-based construction.

[0003] At present, foundation pit monitoring generally requires deep horizontal displacement monitoring of the supporting pile body, and inclinometer tubes are pre-buried before the supporting piles are cast. For example, the publication number CN214784257U discloses a deep horizontal displacement monitoring system for supporting structure soil, including an inclinometer tube and an inclinometer assembly, wherein a plurality of clamps are arranged on the arc outer wall of the inclinometer tube, and the plurality of clamps are distributed along the axial direction of the inclinometer tube, and the clamp is provided with two supporting feet, and the angle between the two supporting feet is less than a straight angle, and a supporting buckle for buckling with the steel bars on the steel cage is arranged at one end of the supporting foot away from the clamp; and a tensioning mechanism for tightening the clamp on the steel cage is arranged on the clamp.

[0004] In actual work, due to deformation of support piles, aging of inclinometer tubes and other reasons, the inclinometer tubes are damaged during the foundation pit construction period, and this damage is irreversible, resulting in the inability to monitor the foundation pit normally. Utility Model Content

[0005] The utility model aims to provide a pile displacement monitoring device, aiming to solve the problem in the prior art that the inclinometer tube affects foundation pit monitoring.

[0006] The utility model is implemented as follows: a pile displacement monitoring device comprises an upper prism piece, a plurality of lower prism pieces, a plurality of brackets and a total station, wherein the bracket is used to install the upper prism piece or the lower prism piece, the bracket is installed on a supporting pile, the upper prism piece is arranged correspondingly to the crown beam of the supporting pile, the lower prism piece is arranged below the upper prism piece, and along the longitudinal direction of the supporting pile, the lower prism pieces are arranged correspondingly at intervals; the bracket comprises a frame body, a frame rod and a frame motor, the frame rod is installed on the frame body, the upper prism piece or the lower prism piece is installed on the frame rod, the frame motor is used to drive the frame rod to be arranged in a rotational manner, and the total station is used to monitor the displacement of the upper prism piece and each of the lower prism pieces and draw a vertical displacement curve.

[0007] Furthermore, the upper prism component includes an upper prism body, an upper control panel and an angle sensor. The upper prism body is mounted on the frame rod. The angle sensor is electrically connected to the upper control panel. The angle sensor is mounted on the upper prism body. The angle sensor is used to detect the orientation angle of the upper prism body.

[0008] Furthermore, the lower prism component includes a lower prism body, a lower control board and an angle sensor. The lower prism body is mounted on the frame rod. The angle sensor is electrically connected to the lower control board. The angle sensor is mounted on the lower prism body. The angle sensor is used to detect the orientation angle of the lower prism body.

[0009] Furthermore, the pile displacement monitoring device includes a background server, and the background server is arranged in signal communication with the upper control board and the lower control board.

[0010] Furthermore, the bracket includes a cross frame plate and a laser, the cross frame plate is installed on the supporting pile, and the cross frame plate is vertically extended in a direction away from the supporting pile; the laser is installed on the cross frame plate, and the laser is used to project light downward; the pile body displacement monitoring device includes a plurality of anchor members, the anchor member has an anchor head, the anchor head is anchored to the supporting pile, and the anchor head is provided with a receiver, and the receiver is used to receive the light emitted by the laser.

[0011] Furthermore, the anchor member includes an anchor plate, the anchor plate and the supporting pile are arranged in a flat and abutting manner, the upper part of the anchor plate and the cross frame plate are butt-jointed, and the lower part of the anchor plate and the anchor head are butt-jointed.

[0012] Furthermore, the bracket includes a longitudinal frame plate and a frame fixing plate, the lower part of the longitudinal frame plate is butt-jointed with the transverse frame plate, and the longitudinal frame plate is flatly laid against the supporting piles; the inner end of the frame fixing plate is embedded in the supporting piles, and the outer end of the frame fixing plate is embedded in the longitudinal frame plate.

[0013] Furthermore, the bracket includes a locking rod, which is embedded in the interior of the longitudinal frame plate and extends through the frame plate.

[0014] Furthermore, the pile body displacement monitoring device includes a plumb device, which includes an upper plumb head, a plumb line and a lower plumb head. The upper plumb head and the lower plumb head are respectively arranged at the outer ends of the cross frame plate, and the upper plumb head is arranged corresponding to the crown beam, and the lower plumb head is arranged corresponding to the bracket at the bottom.

[0015] Furthermore, the lower prism elements are arranged at equal intervals, a prism distance is formed between the upper prism element and the lower prism element, and the distance between adjacent lower prism elements is the prism distance.

[0016] Compared with the prior art, the pile body displacement monitoring device provided by the utility model is that after the foundation pit is excavated, a plurality of brackets are respectively installed in the longitudinal direction of the supporting piles, and an upper prism piece and a plurality of lower prism pieces are respectively arranged on each bracket. Under the action of the bracket motor, the setting angles of the upper prism piece and the lower prism piece are adjusted to facilitate the coordination between the total station and the upper prism piece and the lower prism pieces. Then, the displacement of the upper prism piece and the lower prism pieces are monitored by the total station and a vertical displacement curve is drawn, which can directly reflect the pile body displacement of the supporting piles within the excavation range. In this way, even if the inclinometer tube is damaged and the displacement monitoring cannot be completed, the engineer can monitor the pile body displacement of the supporting piles through the monitoring of the total station. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a plan schematic diagram of the pile displacement monitoring device provided by the utility model;

[0018] Figure 2 It is a schematic diagram of the main view of the bracket of the pile displacement monitoring device provided by the utility model;

[0019] Figure 3 It is a right-side plan view schematic diagram of the pile displacement monitoring device provided by the utility model. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0022] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] Reference Figure 1-3 As shown, it is a preferred embodiment provided by the utility model.

[0024] The pile displacement monitoring device comprises an upper prism member 1, a plurality of lower prism members 2, a plurality of brackets 3 and a total station 4, wherein the bracket 3 is used to install the upper prism member 1 or the lower prism member 2, and the bracket 3 is installed on the supporting pile 6, the upper prism member 1 and the crown beam of the supporting pile 6 are arranged correspondingly, the lower prism member 2 is arranged below the upper prism member 1, and along the longitudinal direction of the supporting pile 6, the lower prism members 2 are arranged correspondingly at intervals; the bracket 3 comprises a frame body, a frame rod and a frame motor, the frame rod is installed on the frame body, the upper prism member 1 or the lower prism member 2 is installed on the frame rod, the frame motor is used to drive the frame rod to be arranged in rotation, and the total station 4 is used to monitor the displacement of the upper prism member 1 and each lower prism member 2 and draw a vertical displacement curve.

[0025] The above-mentioned pile displacement monitoring device, after the foundation pit is excavated, multiple brackets 3 are respectively installed in the longitudinal direction of the supporting pile 6, and an upper prism piece 1 and multiple lower prism pieces 2 are respectively set on each bracket 3. Under the action of the bracket motor, the setting angles of the upper prism piece 1 and the lower prism piece 2 are adjusted to facilitate the cooperation between the total station 4 and the upper prism piece 1 and each lower prism piece 2. Then, the displacement of the upper prism piece 1 and each of the lower prism pieces 2 is monitored by the total station 4 and a vertical displacement curve is drawn, which can directly reflect the pile displacement of the supporting pile 6 in the excavation range. In this way, even if the inclinometer tube is damaged and the displacement monitoring cannot be completed, the engineer can monitor the pile displacement of the supporting pile 6 through the total station 4.

[0026] The upper prism member 1 includes an upper prism body 11 , an upper control board and an angle sensor 33 . The upper prism body 11 is mounted on a frame rod. The angle sensor 33 is electrically connected to the upper control board. The angle sensor 33 is mounted on the upper prism body 11 and is used to detect the orientation angle of the upper prism body 11 .

[0027] In this way, under the action of the angle sensor 33, the orientation angle of the upper prism body 11 is detected and fed back, so as to facilitate the arrangement of the orientation of the upper prism body 11 in accordance with the orientation of each lower prism body.

[0028] The total station 4 is placed based on the actual scene of the foundation pit. By adjusting the orientation of the upper prism 11 and the orientation of each lower prism, the total station 4 can comprehensively monitor the upper prism 11 and each lower prism, thereby improving the monitoring accuracy.

[0029] The lower prism member 2 includes a lower prism body, a lower control board and an angle sensor 33. The lower prism body is mounted on the frame rod. The angle sensor 33 is electrically connected to the lower control board. The angle sensor 33 is mounted on the lower prism body and is used to detect the orientation angle of the lower prism body.

[0030] In this way, under the action of the angle sensor 33, the orientation angle of the upper prism body 11 is detected and fed back, so as to facilitate the arrangement of the orientation of the upper prism body 11 in accordance with the orientation of each lower prism body.

[0031] The pile displacement monitoring device includes a background server, which is arranged in signal communication with the upper control board and the lower control board; thus, under the action of the background server, data collection and analysis are facilitated.

[0032] The bracket 3 includes a cross plate 31 and a laser 12. The cross plate 31 is installed on the supporting pile 6, and the cross plate 31 is vertically extended in the direction away from the supporting pile 6; the laser 12 is installed on the cross plate 31, and the laser 12 is used to project light downward; the pile body displacement monitoring device includes a plurality of anchor members 5, the anchor member 5 has an anchor head 51, the anchor head 51 is anchored on the supporting pile 6, and the anchor head 51 is provided with a receiver, and the receiver is used to receive the light emitted by the laser 12.

[0033] In this way, under the action of the laser 12, the installation of the bracket 3 is detected to ensure the verticality of the installation of the bracket 3, thereby ensuring the verticality of the subsequent installation of the upper prism member 1 and the lower prism member 2, and ensuring the accuracy of monitoring the support pile 6.

[0034] The anchor member 5 includes an anchor plate 52, which is arranged flat and in contact with the supporting pile 6, the upper part of the anchor plate 52 is butt-jointed with the cross frame plate 31, and the lower part of the anchor plate 52 is butt-jointed with the anchor head 51; in this way, under the action of the anchor plate 52, the stability of the bracket 3 is improved, the service life of the bracket 3 is also improved, and the monitoring of the displacement of the pile body is guaranteed.

[0035] The bracket 3 includes a longitudinal frame plate 32 and a frame fixing plate 34. The lower part of the longitudinal frame plate 32 is butt-jointed with the transverse frame plate 31, and the longitudinal frame plate 32 is flatly laid against the supporting pile 6. The inner end of the frame fixing plate 34 is embedded in the supporting pile 6, and the outer end of the frame fixing plate 34 is embedded with the longitudinal frame plate 32.

[0036] Under the action of the fixing plate 34 , the vertical frame plate 32 is assembled and fixed, thereby realizing the subsequent assembly of the upper prism component 1 and the lower prism component 2 .

[0037] The bracket 3 includes a locking rod, which is embedded in the interior of the longitudinal frame plate 32 and extends through the frame plate 34. Under the action of the locking rod, the assembly stability of the frame plate 34 and the longitudinal frame plate 32 is improved.

[0038] The pile displacement monitoring device includes a plumb device, which includes an upper plumb head, a plumb line and a lower plumb head. The upper plumb head and the lower plumb head are respectively arranged at the outer ends of the cross frame plate 31, and the upper plumb head is arranged correspondingly to the crown beam, and the lower plumb head is arranged correspondingly to the bottom bracket 3.

[0039] In this way, after the upper prism piece 1 and each lower prism piece 2 are installed respectively, the installation level of each upper prism piece 1 and each lower prism piece 2 is tested under the action of the plumb line to ensure the installation of the upper prism piece 1 and each lower prism piece 2.

[0040] The lower prism members 2 are arranged at equal intervals, a prism distance is formed between the upper prism member 1 and the lower prism member 2, and the distance between adjacent lower prism members 2 is the prism distance; in this way, the accuracy of the monitoring data of the total station 4 is improved, and it is convenient to effectively determine which position of the support pile 6 has the largest horizontal displacement.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pile displacement monitoring device, characterized in that: The invention comprises an upper prism member, a plurality of lower prism members, a plurality of brackets and a total station, wherein the bracket is used to install the upper prism member or the lower prism member, the bracket is installed on a supporting pile, the upper prism member is arranged correspondingly to the crown beam of the supporting pile, the lower prism member is arranged below the upper prism member, and along the longitudinal direction of the supporting pile, the lower prism members are arranged correspondingly at intervals; the bracket comprises a frame body, a frame rod and a frame motor, the frame rod is installed on the frame body, the upper prism member or the lower prism member is installed on the frame rod, the frame motor is used to drive the frame rod to be arranged in a rotational manner, and the total station is used to monitor the displacement of the upper prism member and each lower prism member and draw a vertical displacement curve.

2. The pile displacement monitoring device according to claim 1, characterized in that: The upper prism component includes an upper prism body, an upper control board and an angle sensor. The upper prism body is mounted on the frame rod. The angle sensor is electrically connected to the upper control board. The angle sensor is mounted on the upper prism body and is used to detect the orientation angle of the upper prism body.

3. The pile displacement monitoring device according to claim 2, characterized in that: The lower prism component includes a lower prism body, a lower control board and an angle sensor. The lower prism body is installed on the frame rod. The angle sensor is electrically connected to the lower control board. The angle sensor is installed on the lower prism body and is used to detect the orientation angle of the lower prism body.

4. The pile displacement monitoring device according to claim 3, characterized in that: The pile displacement monitoring device comprises a background server, and the background server is arranged in signal communication with the upper control board and the lower control board.

5. The pile displacement monitoring device according to any one of claims 1 to 4, characterized in that: The bracket includes a cross frame plate and a laser, wherein the cross frame plate is installed on the supporting pile and the cross frame plate is vertically extended in a direction away from the supporting pile; the laser is installed on the cross frame plate and is used to project light downward; the pile body displacement monitoring device includes a plurality of anchor members, each of which has an anchor head, which is anchored on the supporting pile, and the anchor head is provided with a receiver, which is used to receive the light emitted by the laser.

6. The pile displacement monitoring device according to claim 5, characterized in that: The anchor cable member comprises an anchor cable plate, the anchor cable plate is arranged flatly and in contact with the supporting pile, the upper part of the anchor cable plate is butt-jointed with the cross frame plate, and the lower part of the anchor cable plate is butt-jointed with the anchor cable head.

7. The pile displacement monitoring device according to claim 5, characterized in that: The bracket includes a longitudinal frame plate and a frame fixing plate. The lower part of the longitudinal frame plate is butt-jointed with the transverse frame plate, and the longitudinal frame plate is flatly laid against the supporting piles. The inner end of the frame fixing plate is embedded with the supporting piles, and the outer end of the frame fixing plate is embedded with the longitudinal frame plate.

8. The pile displacement monitoring device according to claim 7, characterized in that: The bracket includes a locking rod, which is embedded in the interior of the longitudinal frame plate and extends through the frame plate.

9. The pile displacement monitoring device according to claim 5, characterized in that: The pile displacement monitoring device includes a plumb device, which includes an upper plumb head, a plumb line and a lower plumb head. The upper plumb head and the lower plumb head are respectively arranged at the outer ends of the cross frame plate, and the upper plumb head is arranged corresponding to the crown beam, and the lower plumb head is arranged corresponding to the bracket at the bottom.

10. The pile displacement monitoring device according to any one of claims 1 to 4, characterized in that: The lower prism elements are arranged at equal intervals, a prism distance is formed between the upper prism element and the lower prism element, and the distance between adjacent lower prism elements is the prism distance.

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