CN210894214U - Pipeline defect detection mechanism - Google Patents
Pipeline defect detection mechanism Download PDFInfo
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- CN210894214U CN210894214U CN201822232243.4U CN201822232243U CN210894214U CN 210894214 U CN210894214 U CN 210894214U CN 201822232243 U CN201822232243 U CN 201822232243U CN 210894214 U CN210894214 U CN 210894214U
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- sleeved
- guide rod
- metering
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Abstract
The utility model discloses a pipeline defect detection mechanism, which comprises a magnetization detection sleeve, a front driving bowl, a rear leather cup, a front supporting cylinder and a rear supporting cylinder, wherein a metering component is arranged on an annular pressing plate at the bottom of the rear leather cup, and the metering component consists of a base, a supporting arm, a metering wheel and a meter counter; one end of a guide rod is sleeved on the rotating rod between the support arms, the other end of the guide rod is sleeved on the adjusting rod of the base, a guide groove for the adjusting rod to slide is formed in the guide rod, and an adjusting spring is sleeved on the guide rod between the adjusting rod and the rotating rod; the shaft screw rods are respectively penetrated at the positions of the hinged shafts of the support arm and the base, the rotation shafts of the support arm and the metering wheel, the shaft screw rods are sleeved with stop gaskets, inner clamping pieces of the stop gaskets are embedded into clamping grooves in the peripheral walls of the shaft screw rods, the shaft screw rods are further sleeved with round nuts, and outer clamping pieces of the stop gaskets are embedded into stop grooves in the peripheral walls of the round nuts. The utility model discloses pipeline defect detection mechanism can adapt to the local deformation of pipe wall, guarantees the accurate nature that detects.
Description
Technical Field
The utility model relates to a pipeline defect detection mechanism belongs to magnetic leakage and detects technical field.
Background
The oil and gas pipelines (generally called petroleum pipelines) in the oil field need to be detected after being laid and used for a period of time, so that the use safety is ensured. At present, a pipeline magnetic flux leakage detector and an umbrella disc are mostly adopted to be put into a detected pipeline, high-pressure gas or liquid is conveyed in the pipeline, the pipeline magnetic flux leakage detector is driven to move in the pipeline by the umbrella disc under the action of gas or liquid pressure difference, and therefore the detection of a pipeline is completed; then, since the inner wall of the pipe has local deformation, the measuring wheel of the existing magnetic flux leakage detector is difficult to adapt to the complex situation in the pipe, and the detection precision is influenced.
Disclosure of Invention
The utility model aims at providing a pipeline defect detection mechanism, this pipeline defect detection mechanism can adapt to the local deformation of pipe wall, guarantees the accurate nature that detects.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a pipeline defect detection mechanism comprises a magnetization detection sleeve, a front driving bowl, a rear leather cup, a front supporting cylinder and a rear supporting cylinder, wherein the front supporting cylinder, the front driving bowl, the magnetization detection sleeve, the rear leather cup and the rear supporting cylinder are fixedly connected in sequence; the annular pressure plate at the bottom of the rear leather cup bowl is provided with at least three groups of metering components, each metering component consists of a base connected to the annular pressure plate, two support arms hinged to the base, a metering wheel rotatably connected between the two support arms and a meter connected to the metering wheel, and the end part of each support arm with the metering wheel extends out of the rear leather cup bowl from the top of the rear leather cup bowl;
one end of a guide rod is sleeved on the rotating rod between the support arms, the other end of the guide rod is sleeved on the adjusting rod of the base, a guide groove for the adjusting rod to slide is formed in the guide rod, and an adjusting spring is sleeved on the guide rod between the adjusting rod and the rotating rod;
the shaft screw rods are respectively penetrated at the positions of the hinged shafts of the support arm and the base, the rotation shafts of the support arm and the metering wheel, the shaft screw rods are sleeved with stop gaskets, inner clamping pieces of the stop gaskets are embedded into clamping grooves in the peripheral walls of the shaft screw rods, the shaft screw rods are further sleeved with round nuts, and outer clamping pieces of the stop gaskets are embedded into stop grooves in the peripheral walls of the round nuts.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the shaft screw rod on one side of the round nut, which is far away from the stop washer, is also sleeved with the auxiliary nut.
2. In the scheme, the reinforcing screw rod penetrates between the two support arms, and reinforcing nuts are arranged at two ends of the reinforcing screw rod, which extend out of the support arms.
3. In the above scheme, the two groups of reinforcing screws are arranged and are respectively positioned at two sides of the guide rod, and a space for the guide rod to move is reserved between the two reinforcing screws.
4. In the above scheme, the side surface of the support arm is in an equilateral obtuse triangle shape.
5. In the scheme, the mounting plate is inserted with an anti-rotation bolt which is in threaded connection with the peripheral wall of the adjusting rod.
6. In the scheme, the peripheral wall of the metering wheel is provided with a chute.
7. In the scheme, the periphery of the metering wheel is provided with a chamfer.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a pipeline defect detection mechanism, which guides the running of a magnetic flux leakage detector in a pipeline through a metering wheel of a rear leather cup extending out of an annular pressing plate, and measures the passing stroke through a meter counter; meanwhile, the adjusting rod at the bottom end of the supporting arm is inserted into the guide groove of the guide rod, so that the supporting arm is not blocked from driving the metering wheel to rotate, and the metering wheel on the supporting arm is supported and stably abutted against the inner wall of the pipeline by matching with the adjusting spring sleeved on the guide rod; in addition, the interior card joint of lock washer is in the draw-in groove of axle screw rod, and its outer card joint is in the lock groove of round nut, can effectually prevent that round nut and round screw rod from being connected not hard up, and leads to the articulated of support arm both ends to appear becoming flexible, and then influences the normal use of metering wheel.
2. The utility model discloses pipeline defect detection mechanism, it adds the steadiness of two support arm positions of enhancement screw rod reinforcing of establishing through between the support arm to improve the stability that the metering wheel used.
Drawings
FIG. 1 is a schematic view of the overall structure of the pipeline defect detecting mechanism of the present invention;
FIG. 2 is a schematic structural view of a rear leather cup;
FIG. 3 is a schematic diagram of a single metering assembly;
FIG. 4 is a cross-sectional view at the metering wheel;
FIG. 5 is a cross-sectional view of a gasket.
In the above drawings: 1. a back leather cup; 101. an annular pressure plate; 2. a metering assembly; 201. a base; 21. adjusting a rod; 22. a support arm; 221. rotating the rod; 222. a metering wheel; 223. a chute; 224. a reinforcing screw; 225. a reinforcing nut; 3. a guide bar; 31. a guide groove; 32. adjusting the spring; 611. a shaft screw; 612. a stopper spacer; 613. an inner card; 614. a card slot; 615. a round nut; 616. an outer card; 617. a stopper groove; 618. an auxiliary nut; 701. a magnetization detection sleeve; 702. a front drive bowl; 703. a front support cylinder; 704. and a rear support cylinder.
Detailed Description
Example 1: a pipeline defect detection mechanism, referring to the attached figures 1-5, comprises a magnetization detection sleeve 701, a front driving bowl 702, a rear leather cup 1, a front supporting cylinder 703 and a rear supporting cylinder 704, wherein the front supporting cylinder 703, the front driving bowl 702, the magnetization detection sleeve 701, the rear leather cup 3 and the rear supporting cylinder 704 are fixedly connected in sequence; the annular pressure plate 101 at the bottom of the rear leather cup 1 is provided with at least three groups of metering components 2, each metering component 2 consists of a base 201 connected to the annular pressure plate 101, two support arms 22 hinged to the base 201, a metering wheel 222 rotatably connected between the two support arms 22 and a meter counter connected to the metering wheel 222, and the end part of each support arm 22 with the metering wheel 222 extends out of the rear leather cup 1 at the top of the rear leather cup 1;
one end of a guide rod 3 is sleeved on the rotating rod 221 between the support arms 22, the other end of the guide rod 3 is sleeved on the adjusting rod 21 of the base 201, a guide groove 31 for the adjusting rod 21 to slide is formed in the guide rod 3, and an adjusting spring 32 is sleeved on the guide rod 3 between the adjusting rod 21 and the rotating rod 221;
a shaft screw 611 penetrates through the rotating shafts of the support arm 22 and the base 201, the support arm 22 and the metering wheel 222, a stop washer 612 is sleeved on the shaft screw 611, an inner clamping sheet 613 of the stop washer 612 is embedded into a clamping groove 614 on the peripheral wall of the shaft screw 611, a round nut 615 is further sleeved on the shaft screw 611, and an outer clamping sheet 616 of the stop washer 612 is embedded into a stop groove 617 on the peripheral wall of the round nut 615; the shaft screw 611 on the side of the round nut 615 facing away from the stop washer 612 is also sleeved with an auxiliary nut 618.
A reinforcing screw 224 passes through the two support arms 22, and reinforcing nuts 225 are arranged at two ends of the reinforcing screw 224 extending out of the support arms 22; the two groups of reinforcing screw rods 224 are respectively positioned at two sides of the guide rod 3, and a space for the guide rod 3 to move is reserved between the two reinforcing screw rods 224; the side surface of the support arm 22 is in an equilateral obtuse triangle; the peripheral wall of the measuring wheel 222 is provided with a chute 223; the periphery of the metering wheel 222 is chamfered.
Example 2: a pipeline defect detection mechanism, referring to the attached figures 1-5, comprises a magnetization detection sleeve 701, a front driving bowl 702, a rear leather cup 1, a front supporting cylinder 703 and a rear supporting cylinder 704, wherein the front supporting cylinder 703, the front driving bowl 702, the magnetization detection sleeve 701, the rear leather cup 3 and the rear supporting cylinder 704 are fixedly connected in sequence; the annular pressure plate 101 at the bottom of the rear leather cup 1 is provided with at least three groups of metering components 2, each metering component 2 consists of a base 201 connected to the annular pressure plate 101, two support arms 22 hinged to the base 201, a metering wheel 222 rotatably connected between the two support arms 22 and a meter counter connected to the metering wheel 222, and the end part of each support arm 22 with the metering wheel 222 extends out of the rear leather cup 1 at the top of the rear leather cup 1;
one end of a guide rod 3 is sleeved on the rotating rod 221 between the support arms 22, the other end of the guide rod 3 is sleeved on the adjusting rod 21 of the base 201, a guide groove 31 for the adjusting rod 21 to slide is formed in the guide rod 3, and an adjusting spring 32 is sleeved on the guide rod 3 between the adjusting rod 21 and the rotating rod 221;
a shaft screw 611 penetrates through the rotating shafts of the support arm 22 and the base 201, the support arm 22 and the metering wheel 222, a stop washer 612 is sleeved on the shaft screw 611, an inner clamping sheet 613 of the stop washer 612 is embedded into a clamping groove 614 on the peripheral wall of the shaft screw 611, a round nut 615 is further sleeved on the shaft screw 611, and an outer clamping sheet 616 of the stop washer 612 is embedded into a stop groove 617 on the peripheral wall of the round nut 615; the shaft screw 611 on the side of the round nut 615 facing away from the stop washer 612 is also sleeved with an auxiliary nut 618.
The side surface of the support arm 22 is in an equilateral obtuse triangle; the peripheral wall of the measuring wheel 222 is provided with a chute 223; the periphery of the metering wheel 222 is chamfered.
When the pipeline defect detection mechanism is adopted, the operation of the magnetic flux leakage detector in a pipeline is guided by a metering wheel of a rear leather cup extending out of the annular pressing plate, and the passing stroke is metered by a meter counter; meanwhile, the adjusting rod at the bottom end of the supporting arm is inserted into the guide groove of the guide rod, so that the supporting arm is not blocked from driving the metering wheel to rotate, and the metering wheel on the supporting arm is supported and stably abutted against the inner wall of the pipeline by matching with the adjusting spring sleeved on the guide rod; in addition, the interior card joint of lock washer is in the draw-in groove of axle screw rod, and its outer card joint is in the lock groove of round nut, can effectually prevent that round nut and round screw rod from being connected not hard up, and leads to the articulated of support arm both ends to appear becoming flexible, and then influences the normal use of metering wheel.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A pipeline defect detection mechanism which characterized in that: the device comprises a magnetization detection sleeve (701), a front driving bowl (702), a rear leather cup (1), a front supporting cylinder (703) and a rear supporting cylinder (704), wherein the front supporting cylinder (703), the front driving bowl (702), the magnetization detection sleeve (701), the rear leather cup (1) and the rear supporting cylinder (704) are fixedly connected in sequence; the annular pressing plate (101) at the bottom of the rear leather cup (1) is provided with at least three groups of metering components (2), each metering component (2) consists of a base (201) connected to the annular pressing plate (101), two support arms (22) hinged to the base (201), a metering wheel (222) rotatably connected between the two support arms (22) and a meter connected to the metering wheel (222), and the end parts of the support arms (22) with the metering wheels (222) extend out of the rear leather cup (1) from the top of the rear leather cup (1);
one end of a guide rod (3) is sleeved on a rotating rod (221) between the support arms (22), the other end of the guide rod (3) is sleeved on an adjusting rod (21) of the base (201), a guide groove (31) for the adjusting rod (21) to slide is formed in the guide rod (3), and an adjusting spring (32) is sleeved on the guide rod (3) between the adjusting rod (21) and the rotating rod (221);
the rotating shafts of the hinged shaft of the support arm (22) and the base (201), the support arm (22) and the metering wheel (222) are respectively provided with a shaft screw rod (611), the shaft screw rod (611) is sleeved with a stop gasket (612), an inner clamping sheet (613) of the stop gasket (612) is embedded into a clamping groove (614) in the peripheral wall of the shaft screw rod (611), the shaft screw rod (611) is further sleeved with a round nut (615), and an outer clamping sheet (616) of the stop gasket (612) is embedded into a stop groove (617) in the peripheral wall of the round nut (615).
2. The pipe defect detecting mechanism of claim 1, wherein: and an auxiliary nut (618) is also sleeved on the shaft screw rod (611) at the side of the round nut (615) facing away from the stop washer (612).
3. The pipe defect detecting mechanism of claim 1, wherein: a reinforcing screw rod (224) penetrates between the two support arms (22), and reinforcing nuts (225) are arranged at two ends of the reinforcing screw rod (224) extending out of the support arms (22).
4. The pipe defect detecting mechanism of claim 3, wherein: the two groups of reinforcing screw rods (224) are arranged and are respectively positioned at two sides of the guide rod (3), and a space for the guide rod (3) to move is reserved between the two reinforcing screw rods (224).
5. The pipe defect detecting mechanism of claim 1, wherein: the side surface of the support arm (22) is in an equilateral obtuse triangle.
6. The pipe defect detecting mechanism of claim 1, wherein: the peripheral wall of the metering wheel (222) is provided with a chute (223).
7. The pipe defect detecting mechanism of claim 1, wherein: the periphery of the metering wheel (222) is provided with a chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232243.4U CN210894214U (en) | 2018-12-28 | 2018-12-28 | Pipeline defect detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232243.4U CN210894214U (en) | 2018-12-28 | 2018-12-28 | Pipeline defect detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210894214U true CN210894214U (en) | 2020-06-30 |
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ID=71323591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232243.4U Active CN210894214U (en) | 2018-12-28 | 2018-12-28 | Pipeline defect detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210894214U (en) |
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2018
- 2018-12-28 CN CN201822232243.4U patent/CN210894214U/en active Active
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