CN219731578U

CN219731578U - Road collapse monitoring device

Info

Publication number: CN219731578U
Application number: CN202321002540.4U
Authority: CN
Inventors: 王一兆; 柏文锋; 闵星; 徐世杨; 张璐; 王飞
Original assignee: Guangzhou Metro Design and Research Institute Co Ltd
Current assignee: Guangzhou Metro Design and Research Institute Co Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-09-22
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to the technical field of road collapse monitoring and provides a road collapse monitoring device, which comprises a shell, wherein a first accommodating cavity is formed in the shell; the top of the detection tube is connected with the shell, and the detection tube comprises a tube cavity which is communicated with the first accommodating cavity; the rotating assembly comprises a winding drum and a detection line, the winding drum is arranged in a first accommodating cavity of the shell, the detection line is wound on the winding drum, and the detection line can extend out of the detection tube through the first accommodating cavity and the tube cavity; the detection assembly comprises a detection head, the detection head is connected with the detection line, and the detection head is positioned at the bottom of the detection tube; the displacement sensor is used for detecting the unfolding distance of the detection line; the signal sensor is used for sending the unfolding distance of the displacement sensor transmission. When the road subsidence monitoring device forms a new soil layer cavity, the detection head falls down, the winding drum expands the detection line, and the displacement sensor is adopted to detect the expansion distance of the detection line, so that the subsidence space is monitored.

Description

Road collapse monitoring device

Technical Field

The utility model relates to the technical field of road monitoring, in particular to a road collapse monitoring device.

Background

Due to migration of underground substances, cavities can be generated in the soil layer, so that ground subsidence and even sudden ground collapse are caused. Soil layer cavity is a hidden bad geological phenomenon, possibly forming geological disasters or engineering accidents, and in the process of forming and developing soil layer cavity, the detection method for detecting and identifying soil layer cavity is mostly drilling, sounding and other methods. However, the detection equipment used in the methods of drilling, sounding and the like can only detect the existing soil layer cavity, and cannot identify the process of expanding the newly-formed soil layer cavity from bottom to top, so that the existing detection equipment is difficult to monitor the collapse space.

Disclosure of Invention

In view of the above, it is necessary to provide a road collapse monitoring device, which can solve the technical problem that the process of expanding the new soil layer cavity from bottom to top cannot be monitored.

The embodiment of the utility model provides a road collapse monitoring device, which comprises a shell, wherein a first accommodating cavity is formed in the shell; the top of the detection tube is connected with the shell, and the detection tube comprises a tube cavity which is communicated with the first accommodating cavity; the rotating assembly comprises a winding drum and a detection line, the winding drum is arranged in a first accommodating cavity of the shell, the detection line is wound on the winding drum, and the detection line can extend out of the detection tube through the first accommodating cavity and the tube cavity; the detection assembly comprises a detection head, the detection head is connected with the detection line, and the detection head is positioned at the bottom of the detection tube; the displacement sensor is used for detecting the unfolding distance of the detection line; and the signal sensor is used for sending the unfolding distance detected by the displacement sensor.

The embodiment of the utility model has the following technical effects: through installing the receipts reel in the first holding intracavity of casing, with the detection line rolling on a rolling section of thick bamboo, and with the detecting head with the detection line is connected, when the new soil layer cavity forms, the detecting head produces the whereabouts, makes a rolling section of thick bamboo rotate, and expandes the detection line, detects the expansion distance of detection line through displacement sensor, and adopts signal sensor to send the expansion distance that displacement sensor detected realizes the monitoring in subsidence space.

Optionally, in some embodiments of the present utility model, the rotating assembly further includes a rotating shaft, the rotating shaft is mounted on an inner wall of the first accommodating cavity, and the rotating shaft is fixedly connected with the winding drum.

Optionally, in some embodiments of the present utility model, the rotating assembly further includes a rotating rod, a through hole is formed in the housing, the rotating rod penetrates through the through hole and extends into the first accommodating cavity of the housing, a handle is fixedly connected to one end of the rotating rod, which is close to the housing, and a first gear is fixedly connected to one end of the rotating rod, which extends into the first accommodating cavity, and is meshed with a second gear fixedly connected to the rotating shaft.

Optionally, in some embodiments of the present utility model, the rotating assembly further includes a mounting block, the mounting block is connected to a detection line extending out of one end of the detection tube, a mounting groove is formed at a top of the detection head, the mounting groove is used for accommodating the mounting block, and the mounting block is used for mounting the detection head.

Optionally, in some embodiments of the present utility model, the detecting assembly further includes a plugging rod, a first fixing hole is further provided on the detecting head, a second fixing hole is provided on the mounting block, and the plugging rod penetrates through the first fixing hole and the second fixing hole and connects the detecting head with the mounting block.

Optionally, in some embodiments of the present utility model, the detecting assembly further includes a fixing rod, a second accommodating cavity is further provided at a top of the detecting head, a fixing ring is provided on the fixing rod, the fixing ring is accommodated at a bottom of the second accommodating cavity, a spring is sleeved on the fixing rod, one end of the spring is fixedly connected with the fixing ring, a third fixing hole is provided on the plugging rod, the other end of the spring is abutted to a top of the second accommodating cavity, a plugging hole is provided on the detecting head, and the fixing rod penetrates through the plugging hole and stretches into the third fixing hole.

Optionally, in some embodiments of the present utility model, a fixing block is further provided on the housing, a bolt hole is provided at a top of the fixing block, and a fixing bolt is fixed inside the bolt hole.

Optionally, in some embodiments of the present utility model, the road collapse monitoring device further includes a pile tip rod, and the pile tip rod is sleeved outside the probe tube.

Optionally, in some embodiments of the utility model, a top shape of the probe is adapted to a bottom shape of the housing.

Optionally, in some embodiments of the utility model, a top shape of the probe is adapted to a bottom shape of the stake.

Drawings

Fig. 1 is a schematic structural view of a road collapse monitoring device according to an embodiment.

FIG. 2 illustrates a cross-sectional view of a road collapse monitoring device in an embodiment.

Fig. 3 illustrates a partial structural view of the rotating assembly shown in fig. 1 in one embodiment.

FIG. 4 illustrates a partial structural schematic of a probe assembly in one embodiment.

Fig. 5 illustrates an enlarged schematic view of the portion a in fig. 4 in an embodiment.

Description of the main reference signs

Road collapse monitoring device 100

Housing 10

First accommodation chamber 101

Through hole 102

Fixed block 103

Bolt hole 1031

Fixing bolt 104

Detection tube 11

Lumen 111

Rotating assembly 12

Winding drum 121

Detection line 122

Rotating shaft 123

Rotating rod 124

Handle 125

First gear 126

Second gear 127

Mounting block 128

Second fixing hole 1281

Detection assembly 13

Probe head 131

Mounting groove 1311

First fixing hole 1312

Plug hole 1313

Second accommodation chamber 1314

Plug-in rod 132

Third fixing hole 1321

Fixing rod 133

Retaining ring 134

Spring 135

Displacement sensor 14

Signal sensor 15

Pile tip rod 16

The utility model will be further illustrated by the following specific examples in conjunction with the above-described figures.

Detailed Description

The following description of the technical solutions according to the embodiments of the present utility model will be given with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a road collapse monitoring device 100, wherein the road collapse monitoring device 100 comprises a housing 10, a probe tube 11, a rotating assembly 12 and a probe assembly 13. The housing 10 is provided with a first accommodating chamber 101. The top of the probe tube 11 is connected to the housing 10, i.e. the housing 10 is located at the upper end of the probe tube 11. The probe tube 11 includes a lumen 111. Lumen 111 communicates with first receiving cavity 101. Referring to fig. 3, the rotating assembly 12 includes a take-up drum 121, a detection line 122. The take-up drum 121 is mounted in the first receiving chamber 101 of the housing 10. The detection line 122 is wound on the winding drum 121, and the detection line 122 can extend out of the detection tube 11 through the first accommodating cavity 101 and the tube cavity 111. The probe assembly 13 includes a probe head 131. The probe 131 is connected to the detection line 122. The probe 131 is located at the bottom of the probe tube 11.

In one embodiment, the roadway collapse monitoring apparatus 100 further includes a displacement sensor 14 and a signal sensor 15. The displacement sensor 14 and the signal sensor 15 are communicatively connected to a remote terminal. In an embodiment, the displacement sensor 14 and the signal sensor 15 are mounted in the first receiving chamber 101 of the housing 10. The displacement sensor 14 is used for detecting the unfolding distance of the detection line 122, and the signal sensor 15 is used for sending the unfolding distance transmitted by the displacement sensor 14 to a remote terminal. The remote terminal comprises at least one device of a mobile phone, a computer, notebook electric energy and a server. In the present embodiment, the type of the remote terminal is not limited.

In one embodiment, the housing 10 is further provided with a fixing block 103 and a fixing bolt 104. Bolt holes 1031 are formed in the top of the fixing block 103, and fixing bolts 104 are fixed to the inside of the bolt holes 1031. In this embodiment, the casing 10 is fixed by the bolting structure of the fixing bolt 104 and the bolt hole 1031, so that the stability of the road collapse monitoring device 100 is improved.

In one embodiment, after the road collapse monitoring device 100 is put into the soil layer, if a soil layer cavity is formed in the soil layer, the probe 131 of the road collapse monitoring device 100 is dropped, and drives the winding drum 121 to rotate, and the detection line 122 is unfolded. The displacement sensor 14 detects the deployment distance of the detection line 122 to obtain the deployment distance. The unfolding distance is used for judging the size of the ground subsidence space. The signal sensor 15 is used for sending the unfolding distance transmitted by the displacement sensor 14 to a remote terminal, so that accurate monitoring of the collapse space is realized. Further, accurate pre-warning of the collapse space can be achieved according to the unfolding distance of the remote terminal, which is transmitted by the signal sensor 15. For example, when the unfolding distance exceeds a preset distance, the remote terminal sends an alarm message to realize early warning of the collapse space.

Referring to fig. 3, in one embodiment, the rotating assembly 12 further includes a rotating shaft 123, a rotating rod 124, and a mounting block 128. The rotating shaft 123 is located in the first accommodating cavity 101 of the housing 10 and is fixedly connected with the winding drum 121. The housing 10 is provided with a through hole 102, and the rotating rod 124 penetrates through the through hole 102 and extends into the first accommodating cavity 101 of the housing 10. One end of the rotating rod 124, which is close to the housing 10, is fixedly connected with a handle 125, one end of the rotating rod 124, which extends into the first accommodating cavity 101, is fixedly connected with a first gear 126, and the first gear 126 is meshed with a second gear 127 fixedly connected to the rotating shaft 123. Referring also to fig. 3, the mounting block 128 is connected to the sensing wire 122 extending out of one end of the probe tube 11.

In an embodiment, the rotating rod 124 is driven to rotate by the rotating handle 125, so as to drive the first gear 126 fixedly connected with the rotating rod 124 to rotate, the second gear 127 is driven to rotate by the rotation of the first gear 126, the rotating shaft 123 fixedly connected with the second gear 127 rotates, and the winding drum 121 is driven to rotate by the rotation of the rotating shaft 123, so that the winding of the detection line 122 is realized, an independent jig is not needed, and the portability of use is improved.

Referring to fig. 4 and 5, in one embodiment, the detecting assembly 13 includes a detecting head 131, a socket 132, a fixing rod 133, a fixing ring 134, and a spring 135. The probe 131 is connected to the detection line 122. According to the utility model, the winding drum 121 is driven to rotate through the rotating shaft 123 to wind the detection line 122, and the detection heads 131 connected with the detection line 122 are recovered, so that the cost of ground collapse monitoring is reduced.

In one embodiment, the probe 131 may be diamond shaped. According to the utility model, the detecting head 131 is arranged in a diamond shape, so that the detecting head 131 is more beneficial to detecting deeper ground, and the accuracy of collapse monitoring is further improved.

In one embodiment, the probe 131 is located at the bottom of the probe tube 11. The top of the probe head 131 is provided with a mounting slot 1311. The mounting slot 1311 is for receiving the mounting block 128. The probe 131 is further provided with a first fixing hole 1312. The mounting block 128 is provided with a second fixing hole 1281, and the plugging rod 132 penetrates through the first fixing hole 1312 and the second fixing hole 1281 to connect the probe 131 with the mounting block 128. The utility model connects the detecting head 131 and the mounting block 128 through the inserting connection rod 132, which is convenient for disassembling and replacing the detecting head 131, and improves the portability of the road collapse monitoring device 100.

In an embodiment, the top of the probe 131 is further provided with a second accommodating cavity 1314, the fixing rod 133 is provided with a fixing ring 134, the fixing ring is accommodated in the second accommodating cavity 1314 and is abutted to the bottom of the second accommodating cavity 1314, the fixing rod 133 is sleeved with a spring 135, one end of the spring 135 is fixedly connected with the fixing ring 134, and the other end of the spring 135 is abutted to the top of the second accommodating cavity 1314. The fixing rod 133 limits the probe 131 through the elasticity of the spring 135, so that the position stability between the probe 131 and the mounting block 128 is improved.

In an embodiment, the third fixing hole 1321 is formed on the plugging rod 132, the plugging hole 1313 is formed on the probe 131, the fixing rod 133 penetrates through the plugging hole 1313 and extends into the third fixing hole 1321, and the plugging rod 132 is limited and fixed by the fixing rod 133, so that the position stability of the plugging rod 132 is ensured.

In one embodiment, referring to fig. 1 and 2, the road collapse monitoring apparatus 100 further includes a stake point 16. The pile tip rod 16 is sleeved outside the detection tube 11, a device groove is formed in the monitoring point when ground detection is carried out, and the pile tip rod 16 is placed in the device groove.

In one embodiment, the top shape of the probe 131 is adapted to the bottom shape of the housing 10 and the bottom shape of the stake point 16, respectively.

It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration of the utility model and are not intended to be limiting, and that suitable modifications and variations of the above embodiments are within the scope of the disclosure, insofar as they fall within the true spirit of the utility model.

Claims

1. A roadway collapse monitoring device, comprising:

the shell is provided with a first accommodating cavity;

the top of the detection tube is connected with the shell, and the detection tube comprises a tube cavity which is communicated with the first accommodating cavity;

the rotating assembly comprises a winding drum and a detection line, the winding drum is arranged in a first accommodating cavity of the shell, the detection line is wound on the winding drum, and the detection line can extend out of the detection tube through the first accommodating cavity and the tube cavity;

the detection assembly comprises a detection head, the detection head is connected with the detection line, and the detection head is positioned at the bottom of the detection tube;

the displacement sensor is used for detecting the unfolding distance of the detection line;

and the signal sensor is used for sending the unfolding distance detected by the displacement sensor.

2. The roadway collapse monitoring device of claim 1, wherein the rotating assembly further comprises a rotating shaft mounted on an inner wall of the first receiving cavity, the rotating shaft being fixedly connected to the take-up drum.

3. The roadway collapse monitoring device of claim 2, wherein the rotating assembly further comprises a rotating rod, a through hole is formed in the housing, the rotating rod penetrates through the through hole and stretches into the first accommodating cavity of the housing, a handle is fixedly connected to one end, close to the housing, of the rotating rod, a first gear is fixedly connected to one end, stretching into the first accommodating cavity, of the rotating rod, and the first gear is meshed with a second gear fixedly connected to the rotating shaft.

4. The roadway collapse monitoring device of claim 1, wherein the rotating assembly further comprises a mounting block, the mounting block is connected with a detection wire extending out of one end of the probe tube, a mounting groove is formed in the top of the probe head, the mounting groove is used for accommodating the mounting block, and the mounting block is used for mounting the probe head.

5. The roadway collapse monitoring device of claim 4, wherein the probe assembly further comprises a plug rod, wherein the probe head further comprises a first mounting hole, wherein the mounting block comprises a second mounting hole, wherein the plug rod extends through the first mounting hole and the second mounting hole and connects the probe head to the mounting block.

6. The road collapse monitoring device of claim 5, wherein the detection assembly further comprises a fixing rod, a second accommodating cavity is further formed in the top of the detection head, a fixing ring is arranged on the fixing rod and is accommodated at the bottom of the second accommodating cavity, a spring is sleeved on the fixing rod, one end of the spring is fixedly connected with the fixing ring, a third fixing hole is formed in the plugging rod, the other end of the spring is abutted to the top of the second accommodating cavity, a plugging hole is formed in the detection head, and the fixing rod penetrates through the plugging hole and stretches into the third fixing hole.

7. The road collapse monitoring device according to claim 1, wherein the housing is further provided with a fixing block, a bolt hole is formed in the top of the fixing block, and a fixing bolt is fixed inside the bolt hole.

8. The roadway collapse monitoring device of claim 1, further comprising a stake pin, wherein the stake pin is sleeved outside the probe.

9. The roadway collapse monitoring device of claim 8, wherein the top shape of the probe is adapted to the bottom shape of the housing.

10. The roadway collapse monitoring device of claim 8, wherein the top shape of the probe is adapted to the shape of the toe bottom.