CN215060445U - Pulley type detection device for ultra-large-diameter PCCP (prestressed concrete cylinder pipe) water delivery pipe - Google Patents
Pulley type detection device for ultra-large-diameter PCCP (prestressed concrete cylinder pipe) water delivery pipe Download PDFInfo
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- CN215060445U CN215060445U CN202121199963.0U CN202121199963U CN215060445U CN 215060445 U CN215060445 U CN 215060445U CN 202121199963 U CN202121199963 U CN 202121199963U CN 215060445 U CN215060445 U CN 215060445U
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Abstract
The utility model provides a pulley-type detection device for an ultra-large-diameter PCCP (prestressed concrete cylinder pipe), which comprises a transmitting coil, a receiving coil, a data acquisition system and an automatic walking frame; the automatic walking frame comprises a frame body, a driving walking mechanism and two driven walking mechanisms, wherein the driving walking mechanism and the two driven walking mechanisms are arranged on the frame body, and the driving walking mechanism and the driven walking mechanisms are adjustable mechanisms; the transmitting coil and the receiving coil are arranged on the driven travelling mechanism and are perpendicular to the inner wall of the water conveying pipe, the data acquisition system is arranged on the frame body, and the transmitting coil and the receiving coil are in electric signal connection with the data acquisition system; the whole detection device automatically and stably runs on the water delivery pipe by virtue of the driving travelling mechanism and the two driven travelling mechanisms, so that the time and labor are saved, and the detection efficiency is high; the driving travelling mechanism and the driven travelling mechanism are adjustable mechanisms, so that the detection device is suitable for pipelines with different sizes and is convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the pipeline inspection technique and specifically relates to a super large bore PCCP raceway coaster formula detection device.
Background
At present, the PCCP pipe explosion caused by the breakage of the prestressed steel wire is the main accident mode, and the wire breakage is often the precursor of the PCCP pipe explosion. The conventional monitoring on the working state of the PCCP pipeline mainly comprises the conventional items of flow, pipeline displacement, water pressure inside and outside the pipeline, soil covering pressure on the top of the pipeline, electric corrosion monitoring of the pipeline and the like, the safety of the PCCP structure is lack of a detection and monitoring means, the PCCP safety monitoring is seriously lagged behind engineering construction, particularly the essential problem that the rupture of a prestressed steel wire is a precursor of pipeline failure and damage is not caught, the PCCP pipeline reaches the strength limit along with the increase of the number of local broken wires, and finally, a pipe explosion accident is caused.
The existing PCCP detection technology comprises visual/echo inspection, a sound wave method and an electromagnetic method; visual inspection/echo inspection can detect the inner wall cracks and concrete void of the front pipe before the pipeline is damaged by imminent damage, and the broken wire can not be detected; the concrete can be inspected to be hollow and cracked when the pipeline is seriously damaged by an acoustic wave method, and the broken wire can not be inspected; the electromagnetic method comprises a transmitting coil, a receiving coil, a data acquisition system and the like which are arranged on a mechanical fixing device, can detect single broken wire, and can realize full-section continuous detection without missing and leaking in space.
However, for different pipelines, workers need to replace mechanical fixing devices with different sizes and carry out detection through manual pushing, and the detection is time-consuming, labor-consuming, extremely inconvenient and low in detection efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a super large bore PCCP raceway coaster formula detection device.
In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:
a pulley-type detection device for an ultra-large-diameter PCCP (prestressed concrete cylinder pipe) water delivery pipe comprises a transmitting coil, a receiving coil, a data acquisition system and an automatic walking frame; the automatic travelling frame comprises a frame body, a driving travelling mechanism and two driven travelling mechanisms, wherein the driving travelling mechanism and the two driven travelling mechanisms are arranged on the frame body, and the driving travelling mechanism and the driven travelling mechanisms are adjustable mechanisms; the transmitting coil and the receiving coil are installed on the driven walking mechanism and are perpendicular to the inner wall of the water conveying pipe, the data acquisition system is installed on the frame body, and the transmitting coil and the receiving coil are in electric signal connection with the data acquisition system.
Furthermore, the active walking mechanism comprises a first threaded rod, a first threaded pipe, a motor and a first walking wheel, one end of the first threaded rod is connected with the frame body, the first threaded pipe is in threaded connection with the first threaded rod, a first fixed block is arranged at the lower end of the first threaded pipe, the first fixed block is connected with the first walking wheel through a first connecting piece, and the first walking wheel is driven by the motor to walk through being installed on the first threaded pipe.
Furthermore, a motor shaft of the motor is provided with a driving bevel gear, the driving bevel gear is connected with a driven bevel gear in a matching manner, and the driven bevel gear is connected with the first travelling wheel through a wheel shaft.
Further, driven running gear includes second threaded rod, second screwed pipe, second walking wheel and detects the piece, the one end of second threaded rod with this body coupling of frame, the second screwed pipe with second threaded rod threaded connection, the lower extreme of second screwed pipe is equipped with the second fixed block, the second fixed block with the second walking wheel is connected through the second connecting piece, detect the piece with second screwed pipe adjustable connection, install on the detection piece towards and perpendicular water pipe inner wall transmitting coil with receiving coil.
Furthermore, the outside of the second threaded pipe is provided with an external thread, the detection block is provided with a threaded sleeve, and the threaded sleeve is in threaded connection with the second threaded pipe.
Further, the frame body is provided with a mounting frame, and the data acquisition system is mounted on the mounting frame.
Furthermore, a first illuminating lamp is arranged at the front end of the frame body.
Furthermore, a second illuminating lamp is arranged at the side end of the frame body.
The utility model has the advantages that: the whole detection device automatically and stably runs on the water delivery pipe by virtue of the driving travelling mechanism and the two driven travelling mechanisms, so that the time and labor are saved, and the detection efficiency is high; the driving travelling mechanism and the driven travelling mechanism are adjustable mechanisms, so that the detection device is suitable for pipelines with different sizes and is convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a water delivery pipe; 2. a frame body; 3. a first threaded rod; 4. a first threaded pipe; 5. a motor; 6. a drive bevel gear; 7. a driven bevel gear; 8. a first running wheel; 9. a first fixed block; 10. a second threaded rod; 11. a second threaded pipe; 12. a detection block; 13. a second road wheel; 14. a data acquisition system; 15. a mounting frame; 16. a second illumination lamp; 17. a first illumination lamp.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, a pulley-type detection device for an ultra-large-caliber PCCP water pipe comprises a transmitting coil, a receiving coil, a data acquisition system 14 and an automatic traveling frame; the automatic walking frame comprises a frame body 2, a driving walking mechanism and two driven walking mechanisms, wherein the driving walking mechanism and the two driven walking mechanisms are arranged on the frame body 2, and the driving walking mechanism and the driven walking mechanisms are adjustable mechanisms; the transmitting coil and the receiving coil are installed on the driven walking mechanism and are perpendicular to the inner wall of the water conveying pipe 1, the data acquisition system 14 is installed on the frame body 2, and the transmitting coil and the receiving coil are in electric signal connection with the data acquisition system 14.
The driving travelling mechanism comprises a first threaded rod 3, a first threaded pipe 4, a motor 5 and a first travelling wheel 8, one end of the first threaded rod 3 is connected with the frame body 2, the first threaded pipe 4 is in threaded connection with the first threaded rod 3, a first fixed block 9 is arranged at the lower end of the first threaded pipe 4, the first fixed block 9 is connected with the first travelling wheel 8 through a first connecting piece, and the first travelling wheel 8 is driven to travel by the motor 5 arranged on the first threaded pipe 4; through the relative regulation of first screwed pipe 4 and first threaded rod 3, adjust the distance of frame body 2 to the walking wheel promptly for detection device is suitable for not unidimensional raceway 1.
A motor shaft of the motor 5 is provided with a driving bevel gear 6, the driving bevel gear 6 is connected with a driven bevel gear 7 in a matching way, and the driven bevel gear 7 is connected with a first travelling wheel 8 through a wheel shaft; through the conveying transmission of the driving bevel gear 6 and the driven bevel gear 7, the motor 5 drives the first walking wheel 8 to walk, and automatic walking is achieved.
The driven travelling mechanism comprises a second threaded rod 10, a second threaded pipe 11, a second travelling wheel 13 and a detection block 12, one end of the second threaded rod 10 is connected with the frame body 2, the second threaded pipe 11 is in threaded connection with the second threaded rod 10, a second fixed block is arranged at the lower end of the second threaded pipe 11 and connected with the second travelling wheel 13 through a second connecting piece, the detection block 12 is in adjustable connection with the second threaded pipe 11, and a transmitting coil and a receiving coil which face and are perpendicular to the inner wall of the water conveying pipe 1 are mounted on the detection block 12; the vertical distance from the detection block 12 to the water conveying pipe 1 is adjusted by adjusting the position of the detection block 12 on the second threaded pipe 11, so that the detection is convenient.
An external thread is arranged outside the second threaded pipe 11, a threaded sleeve is arranged on the detection block 12, and the threaded sleeve is in threaded connection with the second threaded pipe 11; the position of the detection block 12 on the second threaded pipe 11 is adjustable.
The frame body 2 is provided with a mounting frame 15, and the data acquisition system 14 is mounted on the mounting frame 15; the data acquisition system 14 is securely mounted.
The front end of the frame body 2 is provided with a first illuminating lamp 17; the condition in the front of the detection is convenient to observe.
A second illuminating lamp 16 is arranged at the side end of the frame body 2; the condition of the inner wall of the water conveying pipe 1 in the detection is convenient to observe.
The utility model discloses a theory of operation does:
as shown in fig. 1, the detection device is controlled by the controller to be used, before detection, the positions of the first threaded pipe 4 and the first threaded rod 3, and the positions of the second threaded pipe 11 and the second threaded rod 10 are firstly adjusted according to the size of the water pipe 1, so that the first traveling wheel 8 and the second traveling wheel 13 are abutted against the inner wall of the water pipe 1, then the motor 5 is started, and the detection device detects the inner wall of the water pipe 1 under the driving of the motor 5.
The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (8)
1. A pulley type detection device for an ultra-large-diameter PCCP (prestressed concrete cylinder pipe) water delivery pipe is characterized by comprising a transmitting coil, a receiving coil, a data acquisition system and an automatic traveling frame; the automatic travelling frame comprises a frame body, a driving travelling mechanism and two driven travelling mechanisms, wherein the driving travelling mechanism and the two driven travelling mechanisms are arranged on the frame body, and the driving travelling mechanism and the driven travelling mechanisms are adjustable mechanisms; the transmitting coil and the receiving coil are installed on the driven walking mechanism and are perpendicular to the inner wall of the water conveying pipe, the data acquisition system is installed on the frame body, and the transmitting coil and the receiving coil are in electric signal connection with the data acquisition system.
2. The tackle type detection device for the ultra-large-diameter PCCP water delivery pipe according to claim 1, wherein the active walking mechanism comprises a first threaded rod, a first threaded pipe, a motor and a first walking wheel, one end of the first threaded rod is connected with the frame body, the first threaded pipe is in threaded connection with the first threaded rod, a first fixed block is arranged at the lower end of the first threaded pipe, the first fixed block is connected with the first walking wheel through a first connecting piece, and the first walking wheel is driven to walk through the motor mounted on the first threaded pipe.
3. The pulley-type detection device for the ultra-large-caliber PCCP water conveying pipe as claimed in claim 2, wherein a motor shaft of the motor is provided with a driving bevel gear, the driving bevel gear is connected with a driven bevel gear in a matching manner, and the driven bevel gear is connected with the first travelling wheel through a wheel shaft.
4. The tackle type detection device for the ultra-large-caliber PCCP water delivery pipe according to claim 1, wherein the driven walking mechanism comprises a second threaded rod, a second threaded pipe, a second walking wheel and a detection block, one end of the second threaded rod is connected with the frame body, the second threaded pipe is in threaded connection with the second threaded rod, a second fixed block is arranged at the lower end of the second threaded pipe, the second fixed block is connected with the second walking wheel through a second connecting piece, the detection block is in adjustable connection with the second threaded pipe, and the transmission coil and the receiving coil facing and perpendicular to the inner wall of the water delivery pipe are mounted on the detection block.
5. The pulley-type detection device for the ultra-large-caliber PCCP water conveying pipe as claimed in claim 4, wherein an external thread is arranged outside the second threaded pipe, a threaded sleeve is arranged on the detection block, and the threaded sleeve is in threaded connection with the second threaded pipe.
6. The pulley-type detection device for the ultra-large-caliber PCCP water conveying pipe according to claim 1, wherein a mounting frame is arranged on the frame body, and the data acquisition system is mounted on the mounting frame.
7. The pulley type detection device for the ultra-large-caliber PCCP water conveying pipe according to claim 1, wherein a first illuminating lamp is arranged at the front end of the frame body.
8. The pulley-type detection device for the ultra-large-caliber PCCP water conveying pipe according to claim 1, wherein a second illuminating lamp is arranged at the side end of the frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199963.0U CN215060445U (en) | 2021-06-01 | 2021-06-01 | Pulley type detection device for ultra-large-diameter PCCP (prestressed concrete cylinder pipe) water delivery pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199963.0U CN215060445U (en) | 2021-06-01 | 2021-06-01 | Pulley type detection device for ultra-large-diameter PCCP (prestressed concrete cylinder pipe) water delivery pipe |
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| CN215060445U true CN215060445U (en) | 2021-12-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623314A (en) * | 2022-03-18 | 2022-06-14 | 西安热工研究院有限公司 | Pipeline crawling robot for ultrasonic detection |
| CN114838239A (en) * | 2022-03-04 | 2022-08-02 | 中建五局土木工程有限公司 | Small-diameter pipeline inspection device |
| CN114857404A (en) * | 2022-03-17 | 2022-08-05 | 宁波明峰检验检测研究院股份有限公司 | Large-diameter pipeline internal quality detection walking device |
| CN116299720A (en) * | 2023-05-16 | 2023-06-23 | 北京市水科学技术研究院 | PCCP broken wire multichannel electromagnetic detection equipment |
-
2021
- 2021-06-01 CN CN202121199963.0U patent/CN215060445U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838239A (en) * | 2022-03-04 | 2022-08-02 | 中建五局土木工程有限公司 | Small-diameter pipeline inspection device |
| CN114857404A (en) * | 2022-03-17 | 2022-08-05 | 宁波明峰检验检测研究院股份有限公司 | Large-diameter pipeline internal quality detection walking device |
| CN114623314A (en) * | 2022-03-18 | 2022-06-14 | 西安热工研究院有限公司 | Pipeline crawling robot for ultrasonic detection |
| CN116299720A (en) * | 2023-05-16 | 2023-06-23 | 北京市水科学技术研究院 | PCCP broken wire multichannel electromagnetic detection equipment |
| CN116299720B (en) * | 2023-05-16 | 2024-04-26 | 北京市水科学技术研究院 | PCCP broken wire multichannel electromagnetic detection equipment |
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