CN212918722U - Pneumatic pipeline crawling operation mechanism - Google Patents
Pneumatic pipeline crawling operation mechanism Download PDFInfo
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- CN212918722U CN212918722U CN202021298982.4U CN202021298982U CN212918722U CN 212918722 U CN212918722 U CN 212918722U CN 202021298982 U CN202021298982 U CN 202021298982U CN 212918722 U CN212918722 U CN 212918722U
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Abstract
The utility model relates to a pneumatic pipeline crawling operation mechanism, which is used for the operation inside a pipeline and comprises a grinding device, a driving device, a cable winch control console outside the pipeline and an air compressor, wherein the grinding device is connected with the driving device through a cross universal shaft, the grinding device and the driving device swing within a 90-degree range, and the grinding device comprises a bracket, a grinding wheel and a dust suction port which are arranged inside the bracket; the drive device includes: the main supporting frame is internally provided with a jacking cylinder, the two sides of the main supporting frame are provided with auxiliary supporting frames, a connecting rod assembly is arranged between the two auxiliary supporting frames and the main supporting frame for supporting, the jacking cylinder is in control connection with the two connecting rod assemblies, and the grinding device crawls along the pipeline through the control of a cable winch control console and a driving device. The utility model has simple structure and convenient control, and can lead the whole mechanism to smoothly pass through a 1.5D 90-degree bent pipe; and the grinding and dust collection can be realized at one time after the pipeline enters, and the operation efficiency is quite high.
Description
Technical Field
The utility model relates to a pipeline operation technical field, concretely relates to pneumatic type pipeline operation mechanism of crawling.
Background
Because in actual work, various pipelines have various working conditions of bending angles, reducing diameters or horizontal or vertical arrangement modes, when cracks, corrosion or foreign matters exist in the pipelines, in order to find out the specific conditions in the pipelines, pipeline crawling equipment needs to be adopted to enter the pipelines, detailed evaluation is carried out on the conditions in the pipelines through the video equipment and the like carried above, and then how to realize the next repair work of the interiors of the pipelines is determined. But at the in-process of crawling mechanism inside the pipeline and crawling, because the pipeline probably has continuous diameter change, need the pipeline equipment of crawling to have the ability of altitude variation to adapt to the change of the inside diameter of pipeline, guarantee again simultaneously that the walking wheel of equipment of crawling keeps certain normal pressure in the pipeline inner wall type, just can guarantee that the pipeline equipment of crawling has sufficient drive power, drive self and crawl and drag for its energy supply cable and trachea inside the pipeline of various operating modes.
The existing pipeline crawling operation mechanism mainly aims at the operation in a standard pipeline with fixed specification, cannot adapt to a pipeline with diameter change in a continuous large range, can only be used for pipeline operation equipment with adjustment in a small range, and needs to frequently adjust the height of the equipment for different pipeline diameters; and only have the function of polishing, can't be immediately with the dust absorption that produces of polishing after polishing, need the operation module that additional has dust absorption function to get into the pipeline and carry out secondary operation, increased the complexity of operation. Therefore, improvements in the prior art are needed.
SUMMERY OF THE UTILITY MODEL
The application provides a pneumatic type pipeline operation mechanism of crawling satisfies less axial length and great reducing scope simultaneously, can smoothly pass through 1.5D's 90 return bends to the function of polishing and dust absorption has been realized to pipeline inside simultaneously.
2. In order to achieve the purpose, the utility model provides a pneumatic pipeline crawling operation mechanism which is used for the operation inside a pipeline and comprises a grinding device, a driving device, a cable winch control console outside the pipeline and an air compressor, wherein the grinding device is connected with the driving device through a cross universal shaft, and the grinding device and the driving device swing within a range of 90 degrees;
the polishing device comprises a support, a polishing grinding wheel and a dust suction port, the polishing grinding wheel and the dust suction port are arranged in the support, the dust suction port is connected with the outside of the pipeline through a pipeline, the polishing device rotates 360 degrees in the diameter direction of the pipeline and moves in the axis direction, and the polishing grinding wheel stretches in the diameter direction under the driving of the radial moving device in the operation device;
the driving device includes: the device comprises a main supporting frame, wherein a jacking cylinder is arranged in the main supporting frame, auxiliary supporting frames are arranged on two sides of the main supporting frame, connecting rod assemblies are arranged between the two auxiliary supporting frames and the main supporting frame for supporting, the jacking cylinder is in control connection with the two connecting rod assemblies, a driving crawler assembly is arranged in the auxiliary supporting frame, and a crawler belt is wrapped outside the driving crawler assembly;
the grinding device crawls along the pipeline under the control of the cable winch control console and the driving device.
Compared with the prior art, the utility model discloses an operating mechanism, simple structure, control is convenient, adopts the cylinder to promote the reducing connecting rod and realizes the compressing tightly of drive track on the pipeline inner wall, and the in-process of crawling operating mechanism walking in the pipeline, when meeting the condition that the pipe diameter continuously changes, can make the cylinder retract automatically and realize the adaptation to the pipeline diameter, makes whole mechanism can crawl well and the operation in the pipeline of design diameter within range, can pass through 1.5D's 90 return bends smoothly; and the grinding and dust collection can be realized at one time after the pipeline is fed by the driving of the same radial moving device, and the working efficiency is quite high.
Furthermore, one end of the main supporting frame, which faces the cable winch control console, is provided with a pull ring, and the other end of the main supporting frame is provided with a connecting cross universal shaft. When the crawling mechanism breaks down, the driving device is dragged back through the pull ring.
Further, the crawler belt is matched with the auxiliary support frame to hermetically coat the driving crawler belt assembly. The protection grade achieved by the cooperation of the crawler and the auxiliary supporting frame is a waterproof grade of IP 68.
Further, the drive track assembly includes: the driving motor controls the driving wheel to drive the crawler belt to transmit.
Further, cable winch control cabinet and air compressor are connected with drive arrangement's afterbody through the cable respectively, include trachea, power cord and signal line in the cable, the outside cladding of cable has the wire net. The control on the pneumatic self-adaptive pipeline crawling operation equipment can be realized, and the pulling force generated when the equipment is dragged out of the pipeline can be borne.
Further, a cable take-up and pay-off measuring device is arranged on the cable winch control console, and the extending length of the cable is determined through the cable take-up and pay-off measuring device. The accessible cable stretches out the position of length determination pipeline mechanism of crawling in the pipeline, when the pipeline equipment of crawling appears unusually simultaneously, the accessible is received and is put the cable device and drag the pipeline mechanism of crawling out the pipeline.
Further, the front end of the polishing device is provided with a camera, and the condition in the pipeline is recorded through the camera. The camera can detect the position and the operation condition in the pipeline.
Drawings
Fig. 1 is a schematic structural view of a polishing device and a driving device of the present invention in use;
fig. 2 is a schematic view of a connection structure between a polishing device and a driving device of a pneumatic pipeline crawling operation mechanism of the present invention;
fig. 3 is a schematic diagram of the driving device of the pneumatic pipeline crawling mechanism of the present invention.
Reference is made to the following in corresponding reference numbers in the drawings of the specification:
the device comprises a pipeline 1, a cable winch control console 2, an air compressor 3, a driving device 4, a grinding device 5, a camera 6, a cable 7, a jacking cylinder 41, a reducing connecting rod 42, a driving crawler assembly 43, a pull ring 44, a support 51, a grinding wheel 52 and a dust suction opening 53.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.
The first embodiment of the utility model provides a pneumatic pipeline crawling operation mechanism, as shown in fig. 1 and fig. 2, for the operation inside the pipeline 1, the operation mechanism further comprises a cable winch console 2 outside the pipeline 1, an air compressor 3 and a polishing body 5, the polishing device 5 is connected to a driving device 4 through a cross universal shaft, and the polishing device 5 and the driving device 4 swing within 90 degrees; wherein, grinding device 5 includes support 51, locate inside emery wheel 52 and the dust absorption mouth 53 of polishing of support 51, dust absorption mouth 53 links to each other with pipeline 1 external through pipeline 1, grinding device 5 is along pipeline 1 diameter direction 360 rotatory and along the axis direction removal, emery wheel 52 of polishing is flexible along diameter direction through the drive of the radial mobile device in grinding device 5, grinding device 5 crawls in pipeline 1 through the control of cable winch control cabinet 2 and drive arrangement 4.
The drive device 4 includes: the main supporting frame is internally provided with a jacking cylinder 41;
auxiliary supporting frames are arranged on two sides of the main supporting frame, connecting rod assemblies are arranged between the two auxiliary supporting frames and the main supporting frame for supporting, and each connecting rod assembly is composed of a plurality of reducing connecting rods 42; the jacking cylinder is connected with the two connecting rod assemblies in a control mode; be equipped with drive track assembly in the vice carriage, the cladding of drive track assembly outside has the track, and the track is the rubber material and big with pipe wall area of contact, can not appear too big and destroy the condition of pipeline inner wall to the pressure of pipeline inner wall.
Specifically, the camera 6 is arranged at the front end of the polishing device 5, after the operation mechanism enters the pipeline 1, the condition inside the pipeline 1 can be observed in detail through the camera 6 at the front end, after the operation mechanism reaches a position needing operation, the driving device 4 keeps tight-pushing and does not move, the tight-pushing cylinder 41 in the polishing module tightly pushes, the rotation center of the polishing module is approximately overlapped with the axis of the pipeline 1, then the polishing grinding wheel 52 precisely polishes the position needing operation inside the pipeline 1 through the cooperation of the horizontal moving device and the radial moving device and the observation of the camera, the dust suction port 53 is close to the pipe wall after polishing is completed, dust generated by polishing is sucked, and therefore, polishing and dust suction are completed at one time, and the operation efficiency of the crawling equipment of the pipeline 1 is greatly improved.
Meanwhile, the driving track assembly 43 comprises a driving motor and a driving wheel which are large in torque and small in size, a motor driver is also installed inside the track structure, the driving wheel is controlled by the driving motor to drive the track to transmit, the whole body adopts IP68 protection grade design, the application range is wide, and enough driving force can be provided for the crawling operation mechanism to work in the pipeline 1. The rear end of the driving device 4 is connected with a pull ring 44, and the crawling mechanism can be connected to the pull ring 44 when being dragged back due to faults. Wherein, the track is polyurethane material, no matter can both have sufficient coefficient of friction with metal pipeline 1, plastic conduit 1 or concrete pipe 1 within a definite time, can realize crawling and the operation of the whole in vertical pipeline 1 of operation mechanism of crawling, has improved the application range of whole mechanism greatly.
Adopt the cylinder to promote reducing connecting rod 42 among the drive arrangement 4 and realize the compressing tightly of drive track assembly 43 on pipeline 1 inner wall, grinding device 5 is at the in-process of walking in pipeline 1, when meetting the condition that the pipe diameter continuously changes, because the compressible nature of cylinder can, can be under the drive of drive track assembly 43, make the cylinder retract automatically and realize the adaptation to pipeline 1 diameter, make whole mechanism can be in the pipeline 1 of design diameter within range well crawl and the operation. In the driving device 4, a control element adopts a two-position five-way normally open electromagnetic valve, a rod cavity of a cylinder is communicated with the outside, when the crawling mechanism enters a pipeline 1 in an available range and starts to work, a reversing valve works in a normal position, and a piston rod of the cylinder retracts to enable the crawling mechanism to move up and down; the inner wall of the pipeline 1 is tightly propped by the crawler belt, so that enough driving force friction force is provided for the crawling mechanism. Simultaneously, when crawling the mechanism and walking in pipeline 1, when meetting the pipe diameter and diminishing or have the obstacle that welding seam etc. need cross, surpass the retractive force of cylinder through the reaction force of 1 inner walls of pipeline to the cylinder, force the cylinder to stretch out. After the obstacle is passed, the air cylinder continuously retracts under the pressure of an air source, so that the crawler of the crawling mechanism pushes the inner wall of the pipeline 1 tightly at any time.
In addition, as shown in fig. 1, the cable winch control console 2 and the air compressor 3 are connected with the tail of the driving device 4 through the cable 7, that is, connected through the pull ring 44, the cable 7 contains an air pipe, a power line and a signal line, the outside of the cable 7 is coated with a steel wire mesh, so that the control of the crawling operation equipment of the pneumatic self-adaptive pipeline 1 can be realized, and the crawling operation equipment can bear the pulling force when the equipment is dragged out of the pipeline 1, a cable winding and unwinding measuring device (not shown) is arranged on the cable winch control console 2, the extending length of the cable 7 is determined through the cable winding and unwinding measuring device, the position of the crawling mechanism of the pipeline 1 in the pipeline 1 can be determined through the cable 7, and meanwhile, when the crawling equipment of the pipeline 1 is abnormal, the crawling mechanism of the.
The utility model discloses operation mechanism of first embodiment, simple structure, convenient to use, reliability are high, once realize polishing and dust absorption after getting into the pipeline, through the cooperation of the tight cylinder in parallelogram reducing mechanism and middle top, satisfy less axial length and great reducing scope simultaneously, can smoothly through 1.5D's 90 return bends, need not adjust frequently the height of equipment, can be great for grinding device's polishing facilitates, increases the efficiency of polishing.
The second embodiment of the utility model provides a pneumatic type pipeline operation mechanism of crawling, the scheme with the first embodiment is the same basically, its main difference lies in, the adjustable flow pattern silencer (in the figure) is all connected with the pole chamber export in the no pole chamber of cylinder, make the cylinder be in the state of return air throttle all the time, improve its job stabilization nature, in the mechanism course of crawling moreover, when taking place the not enough condition of sudden air supply pressure supply, throttle type silencer can guarantee that the cylinder slowly contracts, prevent to crawl the mechanism and empty and be difficult to drag it out pipeline 1 in pipeline 1 interior gesture unstability.
The above description has been made of specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a pneumatic type pipeline operation mechanism of crawling for the inside operation of pipeline, its characterized in that: the operation mechanism comprises a grinding device, a driving device, a cable winch control console outside the pipeline and an air compressor, wherein the grinding device is connected to the driving device through a cross universal shaft, and the grinding device and the driving device swing within a 90-degree range;
the polishing device comprises a support, a polishing grinding wheel and a dust suction port, the polishing grinding wheel and the dust suction port are arranged in the support, the dust suction port is connected with the outside of the pipeline through a pipeline, the polishing device rotates 360 degrees in the diameter direction of the pipeline and moves in the axis direction, and the polishing grinding wheel stretches in the diameter direction under the driving of the radial moving device in the operation device;
the driving device includes: the device comprises a main supporting frame, wherein a jacking cylinder is arranged in the main supporting frame, auxiliary supporting frames are arranged on two sides of the main supporting frame, connecting rod assemblies are arranged between the two auxiliary supporting frames and the main supporting frame for supporting, the jacking cylinder is in control connection with the two connecting rod assemblies, a driving crawler assembly is arranged in the auxiliary supporting frame, and a crawler belt is wrapped outside the driving crawler assembly;
the grinding device crawls along the pipeline under the control of the cable winch control console and the driving device.
2. The pneumatic pipe crawling operation mechanism of claim 1, wherein: and one end of the main supporting frame facing the cable winch control console is provided with a pull ring, and the other end of the main supporting frame is provided with a connecting cross universal shaft.
3. The pneumatic pipe crawling operation mechanism of claim 1, wherein: the crawler belt is matched with the auxiliary support frame to seal and coat the driving crawler belt assembly.
4. The pneumatic pipe crawling operation mechanism of claim 1, wherein: the drive track assembly includes: the driving motor controls the driving wheel to drive the crawler belt to transmit.
5. The pneumatic pipe crawling operation mechanism of claim 1, wherein: the cable winch control console and the air compressor are connected with the tail portion of the driving device through cables respectively, an air pipe, a power line and a signal line are contained in the cables, and a steel wire mesh is wrapped outside the cables.
6. The pneumatic pipe crawling operation mechanism of claim 5, wherein: and a cable take-up and pay-off measuring device is arranged on the cable winch control console, and the extending length of the cable is determined by the cable take-up and pay-off measuring device.
7. The pneumatic pipe crawling operation mechanism of claim 1, wherein: the front end of the grinding device is provided with a camera, and the condition in the pipeline is recorded through the camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021298982.4U CN212918722U (en) | 2020-07-06 | 2020-07-06 | Pneumatic pipeline crawling operation mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021298982.4U CN212918722U (en) | 2020-07-06 | 2020-07-06 | Pneumatic pipeline crawling operation mechanism |
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| CN212918722U true CN212918722U (en) | 2021-04-09 |
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| CN202021298982.4U Active CN212918722U (en) | 2020-07-06 | 2020-07-06 | Pneumatic pipeline crawling operation mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047582A (en) * | 2023-10-11 | 2023-11-14 | 太原理工大学 | Variable-diameter high-precision steel pipe inner wall coping robot |
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2020
- 2020-07-06 CN CN202021298982.4U patent/CN212918722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047582A (en) * | 2023-10-11 | 2023-11-14 | 太原理工大学 | Variable-diameter high-precision steel pipe inner wall coping robot |
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