Roadbed deformation monitoring device

By designing a roadbed deformation monitoring device with a foldable monitoring pole and a rotating laser rangefinder, the problems of few monitoring points, high cost, and poor storage effect have been solved, achieving efficient acquisition of deformation data at multiple points and convenient device portability.

CN223691715UActive Publication Date: 2025-12-19ZHEJIANG JIAOTOU EXPRESSWAY CONSTR MANAGEMENT CO LTD +1
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Patent Information

Application Number
CN202520122255.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-19
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing roadbed deformation monitoring devices suffer from problems such as a limited number of monitoring points, high equipment costs, long working hours, and poor storage effectiveness.

Method used

A roadbed deformation monitoring device was designed, comprising a roadbed monitoring column, a foldable monitoring pole, a settlement component, and a rotating laser rangefinder. Through multiple adjustable monitoring points and a rotating laser rangefinder, it enables rapid acquisition of deformation data at multiple points, and the device can be conveniently stored through a detachable structure.

Benefits of technology

It increases the number and efficiency of roadbed deformation monitoring points, reduces equipment costs, and the device size is controllable, making it easy to carry and transport.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a roadbed deformation monitoring device, and particularly relates to the technical field of roadbed monitoring, the roadbed deformation monitoring device comprises a roadbed monitoring stand column, the roadbed monitoring stand column is internally provided with a storage cavity and a motor cabin, the motor cabin is internally provided with a rotating motor, and the bottom position of the outer surface of the roadbed monitoring stand column is fixedly connected with a fixed plate; at least two pairs of monitoring display rods are hinged to the top of the outer surface of the roadbed monitoring stand column, a positioning disc is arranged on the outer side of the roadbed monitoring stand column, first bolts are in threaded connection with the positioning disc and the roadbed monitoring stand column, and the positioning disc is movably connected with the monitoring display rods. A settlement assembly is arranged on each monitoring display rod, the settlement assemblies penetrate through the monitoring display rods, reflecting plates are arranged on the settlement assemblies, and the output end of the rotating motor penetrates through the roadbed monitoring stand column and is provided with a rotating rod; according to the utility model, the technical problems of few monitoring points, long working time and poor storage effect in the deformation monitoring process of the roadbed are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed monitoring technical field more specifically, the utility model relates to a roadbed deformation monitoring device. BACKGROUND

[0002] The roadbed should have enough firmness, stability and durability, and the monitoring of the deformation of the roadbed is particularly important. For example, a patent with the patent number CN217654505U discloses a high fill roadbed settlement deformation monitoring device, which realizes the sliding effect of the monitoring column inside the fixed cylinder, and facilitates the downward sliding of the monitoring column and the settlement plate along with the roadbed settlement. The infrared range finder A cooperates with the reflecting plate A to monitor the vertical settlement degree of the roadbed.

[0003] However, similar to the prior art of the above-mentioned patent, the inventor believes that during use, although the laser ranging device satisfies the monitoring of the vertical settlement data of the roadbed, the number of monitoring points is small during the deformation monitoring process of the roadbed, and it is obvious that the demand for the number of monitoring points increases the equipment cost and the working hours, therefore, how to reduce the cost investment of the laser ranging device to improve the number and efficiency of the roadbed point monitoring is a technical problem to be solved at present. In addition, since such technology needs to be frequently used in different environments, it needs to have a good storage effect, and cannot affect transportation and carrying due to large volume. SUMMARY

[0004] The utility model overcomes the above-mentioned situation shortage, aims at providing a technical scheme which can solve the technical problems of few monitoring points, long working hours and poor storage effect during the deformation monitoring process of the roadbed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a roadbed deformation monitoring device, comprising a roadbed monitoring column, a storage cavity and a motor compartment are arranged in the inside of the roadbed monitoring column, a rotating motor is arranged in the motor compartment, a fixed plate is fixedly connected to the bottom position of the outer surface of the roadbed monitoring column, at least two pairs of monitoring expansion rods are hingedly connected to the top position of the outer surface of the roadbed monitoring column, a positioning disc is arranged on the outside of the roadbed monitoring column, a bolt one is screwedly connected between the positioning disc and the roadbed monitoring column, and the positioning disc is movably connected with the monitoring expansion rod; a settlement assembly is arranged on each monitoring expansion rod, the settlement assembly penetrates the monitoring expansion rod, a reflecting plate is arranged on the settlement assembly, the output end of the rotating motor penetrates the roadbed monitoring column and is provided with a rotating rod, a sliding seat is slidably connected to the rotating rod, a laser ranging device is arranged on the bottom of the sliding seat, and the laser ranging device is oppositely arranged with one of the reflecting plates.

[0006] In a preferred embodiment, the number of fixed plates is two pairs, and a taper rod is inserted into each fixed plate.

[0007] In a preferred embodiment, the outer surface of the roadbed monitoring column is fixedly connected with a hinged seat, and one end of the monitoring expansion rod is hinged to the inner side of the hinged seat.

[0008] In a preferred embodiment, the receiving cavity extends to one side of the roadbed monitoring column, and the one side of the roadbed monitoring column is provided with a cover plate for plugging the receiving cavity; when the monitoring expansion rod is arranged in a vertical state, the positioning disc is in contact with the cover plate, and the positioning disc is provided with a through slot for the monitoring expansion rod to pass through.

[0009] In a preferred embodiment, the settlement assembly comprises a settlement plug rod, one end of the settlement plug rod is provided with a pointed end, the other end of the settlement plug rod is provided with a threaded head, a lengthening rod is threadedly connected to the threaded head of the settlement plug rod, the lengthening rod and the settlement plug rod have the same diameter, a plurality of through slots are formed in the monitoring expansion rod, the lengthening rod is inserted into the through slots, and the reflecting plate is fixedly connected to one end of the lengthening rod away from the settlement plug rod.

[0010] In a preferred embodiment, the output end of the rotary motor is fixedly connected with a threaded column, one end of the rotary rod is inserted into the threaded column, and a nut for pressing the threaded column is threadedly connected to the threaded column.

[0011] In a preferred embodiment, the sliding seat is threadedly connected with a second bolt, one end of the second bolt abuts against the rotary rod, and the top of the sliding seat is provided with a posture sensor.

[0012] The technical effects and advantages of the roadbed deformation monitoring device are as follows: the roadbed deformation monitoring device comprises a plurality of foldable monitoring expansion rods, the settlement assembly on each monitoring expansion rod is inserted into the roadbed layer in a corresponding mode, so that a plurality of roadbed deformation monitoring points can be obtained, the rotatable laser range finder and the reflecting plate on the settlement assembly are combined through laser cooperation, and the multi-point testing requirement of roadbed deformation data can be quickly obtained. The position of the settlement assembly on the monitoring expansion rod and the position of the laser range finder on the rotary rod can be adjusted, and the adjustment requirement of the roadbed deformation monitoring point can be met. The monitoring expansion rod can be folded on the roadbed monitoring column, the settlement assembly and the rotary rod can be disassembled, the receiving cavity can meet the storage requirement of the settlement assembly and the rotary rod, the volume of the roadbed deformation monitoring device can be controlled, and the entire roadbed deformation monitoring device is convenient to carry. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0014] Figure 1 It is a structural schematic view of a subgrade deformation monitoring device of the present application.

[0015] Figure 2 It is a storage view of the present application Figure 1 .

[0016] Figure 3 It is a structural schematic view of a settlement assembly of the present application.

[0017] Figure 4 It is a sectional view of a subgrade test column of the present application.

[0018] Figure 5 It is an enlarged view of A part in the present application Figure 2 .

[0019] The figure mark is: 1, subgrade monitoring column; 2, storage cavity; 21, motor bin; 23, rotary motor; 3, fixed plate; 4, monitoring expansion pole; 41, hinged seat; 5, settlement assembly; 51, settlement insertion rod; 52, extension rod; 6, reflecting plate; 7, positioning disc; 71, bolt one; 8, rotary rod; 9, sliding seat; 91, bolt two; 10, laser range finder; 11, taper rod; 12, cover plate; 13, threaded column; 14, nut; 15, attitude sensor. Specific implementation

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0021] In combination with the drawings, Figures 1-5 the present application provides a subgrade deformation monitoring device, which comprises a subgrade monitoring column 1, a fixed plate 3 is fixedly connected to the bottom position of the outer surface of the subgrade monitoring column 1, the number of the fixed plate 3 is two pairs, and a taper rod 11 is inserted into each fixed plate 3.

[0022] The taper rod 11 can be inserted into the ground in cooperation with the fixed plate 3, so that the vertical position of the subgrade monitoring column 1 can be stabilized.

[0023] In the embodiment, the top of the outer surface of the roadbed monitoring column 1 is hingedly connected with at least two pairs of monitoring extension rods 4, the outer surface of the roadbed monitoring column 1 is fixedly connected with a hinge seat 41, and one end of the monitoring extension rod 4 is hingedly connected to the inner side of the hinge seat 41.

[0024] In the embodiment, the end surface of the hinge seat 41 is provided in a shape of a Chinese character “” structure, so as to limit the upward rotation of the monitoring extension rod 4, and the hinge connection of the monitoring extension rod 4 can meet the folding effect.

[0025] In the embodiment, the outer side of the roadbed monitoring column 1 is provided with a positioning disc 7, the positioning disc 7 and the roadbed monitoring column 1 are threadedly connected with a bolt one 71, and the positioning disc 7 is movably connected with the monitoring extension rod 4.

[0026] At least two screw grooves can be provided on the roadbed monitoring column 1 to threadedly cooperate with the bolt one 71, that is, when it is needed to unfold the monitoring extension rod 4, at this time, the positioning disc 7 can be moved upward on the roadbed monitoring column 1 and supported at the bottom of the monitoring extension rod 4, and the connection of the bolt one 71 with one of the screw grooves can limit the position of the positioning disc 7, so as to stabilize the unfolded state of the monitoring extension rod 4.

[0027] In the embodiment, the inside of the roadbed monitoring column 1 is hollow to form a receiving cavity 2. The receiving cavity 2 can provide a receiving interval for structural members. The receiving cavity 2 extends to one side of the roadbed monitoring column 1, and the one side of the roadbed monitoring column 1 is provided with a cover plate 12 which can be opened and closed or detached, and the cover plate 12 is used to block the receiving cavity 2.

[0028] The cover plate 12 can prevent the structural members stored in the receiving cavity 2 from falling off.

[0029] In the embodiment, when the monitoring extension rod 4 is in the vertical state, the positioning disc 7 is in contact with the cover plate 12, and the positioning disc 7 is provided with a through groove for the monitoring extension rod 4 to pass through.

[0030] When it is needed to store the monitoring extension rod 4, the locking state of the positioning disc 7 can be released, and the positioning disc 7 is controlled to move downward until the monitoring extension rod 4 is rotated to the vertical state, at this time, the positioning disc 7 is controlled to move upward, so that the monitoring extension rod 4 passes through the through groove of the positioning disc 7, and then the bolt one 71 is connected with another screw groove, so that the positioning disc 7 can limit the storage state of the monitoring extension rod 4. When the cover plate 12 is arranged at the opening position of the receiving cavity 2, the positioning disc 7 can fix the cover plate 12, and in the same way, when the positioning disc 7 is away from the cover plate 12, the cover plate 12 can be conveniently opened and removed.

[0031] In the embodiment, the settlement assembly 5 is arranged on each monitoring expansion rod 4, the settlement assembly 5 penetrates the monitoring expansion rod 4, the settlement assembly 5 comprises a settlement insertion rod 51, one end of the settlement insertion rod 51 is provided in a pointed manner, the other end of the settlement insertion rod 51 is provided with a threaded head, an extension rod 52 is threadedly connected to the threaded head of the settlement insertion rod 51, the diameter of the extension rod 52 is same as that of the settlement insertion rod 51, a plurality of through grooves are formed in the monitoring expansion rod 4, and the extension rod 52 is inserted into the through grooves.

[0032] After the monitoring expansion rod 4 is expanded, the user can pass the combined structure of the settlement insertion rod 51 and the extension rod 52 through the through grooves and into the foundation, so that one settlement assembly 5 can obtain one roadbed deformation monitoring point, and when it is necessary to adjust the roadbed deformation monitoring point, the settlement assembly 5 can be inserted into other through grooves.

[0033] It should be noted that, since the combined length of the settlement insertion rod 51 and the extension rod 52 is greater than the length of the storage cavity 2, the settlement assembly 5 can be stored in the storage cavity 2 by threadedly disassembling the settlement insertion rod 51 and the extension rod 52.

[0034] In addition, when the settlement insertion rod 51 is inserted into the foundation, a scale line can be arranged on the extension rod 52, so that the depths of the plurality of settlement assemblies 5 inserted into the foundation can be conveniently controlled, so as to guarantee the synchronization of the heights of the plurality of settlement assemblies 5.

[0035] In the embodiment, the settlement assembly 5 is provided with a reflecting plate 6, the reflecting plate 6 is fixedly connected to one end of the extension rod 52 away from the settlement insertion rod 51. The reflecting plate 6 can reflect laser on the settlement assembly 5, so as to provide a displacement signal of the roadbed settlement deformation.

[0036] In the embodiment, the output end of the rotary motor 23 penetrates the roadbed monitoring column 1 and is provided with a rotating rod 8, the rotating rod 8 is slidably connected with a sliding seat 9, and the bottom of the sliding seat 9 is provided with a laser range finder 10.

[0037] The laser range finder 10 comprises a transmitting end for transmitting laser and a receiving end for receiving laser, the transmitting end transmits laser, the laser is reflected by the reflecting plate 6 and received by the receiving end, since the roadbed settlement deformation drives the settlement assembly 5 to descend, the distance between the laser range finder 10 and the reflecting plate 6, that is, the roadbed deformation data can be obtained, so that the detection of the roadbed deformation is realized.

[0038] In the embodiment, the sliding seat 9 is threadedly connected with a second bolt 91, one end of the second bolt 91 abuts against the rotating rod 8, and the top of the sliding seat 9 is provided with a posture sensor 15.

[0039] The one end of the screw bolt 2 is fixed with a rubber pad, so as to increase the friction force, so as to lock the position of the sliding seat 9. The sliding seat 9 can be adjusted on the rotating rod 8, so as to control the laser range finder 10 and the reflecting plate 6 in the same path, the attitude sensor 15 can provide a position signal for the laser range finder 10, and the laser range finder 10 and the attitude sensor 15 in the application can be built-in wireless communication modules and power supply modules, and the wireless communication module can be wirelessly connected to a terminal device, and the terminal device can be one of a computer or a mobile phone.

[0040] In the embodiment, the roadbed monitoring column 1 is internally provided with a motor compartment 21, and the motor compartment 21 is internally provided with a rotating motor 23. The rotating motor 23 can provide rotating power in the roadbed deformation monitoring device, and the power supply of the rotating motor 23 in the application can be realized by external municipal power supply or battery.

[0041] In the embodiment, the output end of the rotating motor 23 is fixedly connected with a threaded column 13, one end of the rotating rod 8 is inserted into the threaded column 13, and the threaded column 13 is threadedly connected with a nut 14 for pressing and fixing the threaded column 13. The connection of the nut 14 and the threaded column 13 can meet the disassembly and assembly of the rotating rod 8 on the rotating motor 23, so that the rotating rod 8 can be conveniently stored in the storage cavity 2. In use, the rotating motor 23 can drive the rotating rod 8 to rotate, and the laser range finder 10 can be adjusted on the rotating rod 8 to the annular path of the plurality of reflecting plates 6, so that the laser range finder 10 can rotate above the plurality of reflecting plates 6, and the plurality of reflecting plates 6 can make the laser range finder 10 provide roadbed deformation data of a plurality of areas.

[0042] Each of the embodiments in the specification is described in a related manner, and the same and similar parts between the embodiments can be referred to each other. Each embodiment focuses on the difference from other embodiments.

[0043] The above only describes the preferred embodiments of the present application, and is not used to limit the protection range of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is included in the protection range of the present application.

Claims

1. A device for monitoring deformation of a roadbed, characterized by: The utility model provides a roadbed monitoring column (1), the inside of roadbed monitoring column (1) is provided with receiving cavity (2) and motor bin (21), be provided with rotating motor (23) in motor bin (21), the bottom position fixedly connected with fixed plate (3) on the outer surface of roadbed monitoring column (1), the top position of the outer surface of roadbed monitoring column (1) is hinged with at least two pairs of monitoring spread pole (4), the outside of roadbed monitoring column (1) is provided with positioning disc (7), positioning disc (7) and roadbed monitoring column (1) are threadedly connected with bolt one (71), positioning disc (7) is movably connected with monitoring spread pole (4); The utility model provides a roadbed monitoring column (1), the inside of roadbed monitoring column (1) is provided with receiving cavity (2) and motor bin (21), be provided with rotating motor (23) in motor bin (21), the bottom position fixedly connected with fixed plate (3) on the outer surface of roadbed monitoring column (1), the top position of the outer surface of roadbed monitoring column (1) is hinged with at least two pairs of monitoring spread pole (4), the outside of roadbed monitoring column (1) is provided with positioning disc (7), positioning disc (7) and roadbed monitoring column (1) are threadedly connected with bolt one (71), positioning disc (7) is movably connected with monitoring spread pole (4); 2. The device for monitoring deformation of a roadbed according to claim 1, wherein: The number of fixed plate (3) is two pairs, and a taper rod (11) is inserted into each fixed plate (3).

3. The device for monitoring deformation of a roadbed according to claim 1, wherein: The outer surface of the roadbed monitoring column (1) is fixedly connected with a hinged seat (41), and one end of the monitoring spread pole (4) is hinged to the inner side of the hinged seat (41).

4. The device for monitoring deformation of a roadbed according to claim 1, wherein: The receiving cavity (2) extends to one side of the roadbed monitoring column (1), and a cover plate (12) is arranged on one side of the roadbed monitoring column (1). The cover plate (12) is used to block the receiving cavity (2). When the monitoring spread pole (4) is arranged in a vertical state, the positioning disc (7) is in contact with the cover plate (12). The positioning disc (7) is provided with a through groove for the monitoring spread pole (4) to pass through.

5. The device for monitoring deformation of a roadbed according to claim 1, wherein: The settlement assembly (5) includes a settlement insertion rod (51), one end of the settlement insertion rod (51) is provided with a sharp end, the other end of the settlement insertion rod (51) is provided with a threaded head, the threaded head of the settlement insertion rod (51) is threadedly connected with an extension rod (52), the diameter of the extension rod (52) is the same as that of the settlement insertion rod (51), a plurality of through slots are formed in the monitoring spread pole (4), the extension rod (52) is inserted into the through slot, and the reflecting plate (6) is fixedly connected to one end of the extension rod (52) away from the settlement insertion rod (51).

6. The device for monitoring deformation of a roadbed according to claim 1, wherein: The output end of the rotating motor (23) is fixedly connected with a threaded column (13), one end of the rotating rod (8) is inserted into the threaded column (13), and a nut (14) for pressing the threaded column (13) is threadedly connected to the threaded column (13).

7. The device of claim 1, wherein: A second screw (91) is threadedly connected to the sliding seat (9), one end of the second screw (91) abuts against the rotating rod (8), and a posture sensor (15) is arranged on the top of the sliding seat (9).

Citation Information

Patent Citations

  • High fill roadbed settlement deformation monitoring device

    CN217654505U