CN211577051U - High-stability metering device for magnetic flux leakage detection - Google Patents
High-stability metering device for magnetic flux leakage detection Download PDFInfo
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- CN211577051U CN211577051U CN201822232239.8U CN201822232239U CN211577051U CN 211577051 U CN211577051 U CN 211577051U CN 201822232239 U CN201822232239 U CN 201822232239U CN 211577051 U CN211577051 U CN 211577051U
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Abstract
The utility model discloses a high-stability metering device for magnetic flux leakage detection, which comprises a base connected with an annular pressure plate, two support arms hinged with the base, a metering wheel rotatably connected between the two support arms and a meter counter connected with the metering wheel; 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 the high stable metering device that the magnetic leakage detected can adapt to the local deformation of pipe wall, guarantees the accurate nature that detects.
Description
Technical Field
The utility model relates to a high stable metering device that magnetic leakage detected 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 high stable metering device that magnetic leakage detected, this high stable metering device that magnetic leakage detected 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 high-stability metering device for magnetic flux leakage detection comprises an annular pressure plate arranged at the bottom of an annular leather cup bowl and at least three groups of metering components arranged on the annular pressure plate, wherein 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 counter connected to the metering wheel, and the end part of each support arm with the metering wheel extends out of the annular leather cup bowl from the top of the annular 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 base is fixedly connected to the annular pressure plate through a plurality of fixing bolts.
3. In the above scheme, the articulated shaft of support arm and base is located the base outside, it is inboard that the base is located to adjust the pole.
4. In the above scheme, the base is provided with two mounting plates in a protruding mode, and the adjusting rod is inserted into the top ends of the mounting plates.
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 rotating rod is arranged at one end, close to the metering wheel, of the support arm.
7. 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.
8. In the above scheme, the side surface of the support arm is in an equilateral obtuse triangle shape.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the high-stability metering device for magnetic flux leakage detection guides the operation of the magnetic flux leakage detector in a pipeline through the metering wheel which extends out of the annular leather cup on the annular pressing plate, and meters the passing stroke through the 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 high stable metering device that magnetic leakage detected, it adds the steadiness of two support arm positions of the 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 highly stable measuring device for magnetic flux leakage detection according to the present invention;
FIG. 2 is a schematic diagram of a single metering assembly;
FIG. 3 is a cross-sectional view of the metering wheel;
FIG. 4 is a cross-sectional view of a stop washer.
In the above drawings: 1. an annular leather cup; 101. an annular pressure plate; 102. fixing the bolt; 2. a metering assembly; 201. a base; 202. mounting a plate; 21. adjusting a rod; 211. an anti-rotation bolt; 22. a support arm; 221. rotating the rod; 222. a metering wheel; 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. and an auxiliary nut.
Detailed Description
Example 1: a high-stability metering device for magnetic flux leakage detection is disclosed, referring to the attached drawings 1-4, and comprises an annular pressure plate 101 arranged at the bottom of an annular cup 1 and four groups of metering components 2 arranged on the annular pressure plate 101, wherein 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 (not shown in the figure) connected to the metering wheel 222, and the end parts of the support arms 22 with the metering wheels 222 extend out of the annular cup 1 at the top of the annular 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; an auxiliary nut 618 is also sleeved on the shaft screw 611 at the side of the round nut 615, which faces away from the stop washer 612.
The base 201 is fixedly connected to the annular pressure plate 101 through a plurality of fixing bolts 102; the hinged shaft of the support arm 22 and the base 201 is located outside the base 201, and the adjusting rod 21 is located inside the base 201; two mounting plates 202 are arranged on the inner side of the base 201 in a protruding mode, and the adjusting rod 21 is inserted into the top ends of the mounting plates 202; an anti-rotation bolt 211 screwed to the peripheral wall of the adjustment lever 21 is inserted into the mounting plate 202; the rotating shaft 221 is mounted on the end of the arm 22 near the metering wheel 222.
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 surfaces of the support arm 22 are equilateral obtuse triangles.
Example 2: a high-stability metering device for magnetic flux leakage detection is disclosed, referring to the attached drawings 1-4, and comprises an annular pressure plate 101 arranged at the bottom of an annular cup 1 and four groups of metering components 2 arranged on the annular pressure plate 101, wherein 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 (not shown in the figure) connected to the metering wheel 222, and the end parts of the support arms 22 with the metering wheels 222 extend out of the annular cup 1 at the top of the annular 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; an auxiliary nut 618 is also sleeved on the shaft screw 611 at the side of the round nut 615, which faces away from the stop washer 612.
The base 201 is fixedly connected to the annular pressure plate 101 through a plurality of fixing bolts 102; the hinged shaft of the support arm 22 and the base 201 is located outside the base 201, and the adjusting rod 21 is located inside the base 201; two mounting plates 202 are arranged on the inner side of the base 201 in a protruding mode, and the adjusting rod 21 is inserted into the top ends of the mounting plates 202; an anti-rotation bolt 211 screwed to the peripheral wall of the adjustment lever 21 is inserted into the mounting plate 202; the rotating shaft 221 is mounted on the end of the arm 22 near the metering wheel 222.
When the high-stability metering device for magnetic flux leakage detection is adopted, the operation of the magnetic flux leakage detector in a pipeline is guided by a metering wheel extending out of an annular leather cup on an annular pressure 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 (3)
1. The utility model provides a high stable metering device that magnetic leakage detected which characterized in that: the measuring device comprises an annular pressure plate (101) arranged at the bottom of an annular leather cup (1) and at least three groups of measuring components (2) arranged on the annular pressure plate (101), wherein each measuring component (2) consists of a base (201) connected to the annular pressure plate (101), two support arms (22) hinged to the base (201), a measuring wheel (222) rotatably connected between the two support arms (22) and a meter counter connected to the measuring wheel (222), and the end parts of the support arms (22) with the measuring wheels (222) extend out of the annular leather cup (1) from the top of the annular 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);
a shaft screw rod (611) penetrates through 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), a stop washer (612) is sleeved on the shaft screw rod (611), an inner clamping sheet (613) of the stop washer (612) is embedded into a clamping groove (614) in the peripheral wall of the shaft screw rod (611), a round nut (615) is further sleeved on the shaft screw rod (611), and an outer clamping sheet (616) of the stop washer (612) is embedded into a stop groove (617) in the peripheral wall of the round nut (615); the round nut (615) deviates from the axle screw (611) on one side of the stop washer (612) and is further sleeved with an auxiliary nut (618), the base (201) is fixedly connected to the annular pressing plate (101) through a plurality of fixing bolts (102), the hinge shaft of the support arm (22) and the base (201) is located on the outer side of the base (201), the adjusting rod (21) is arranged on the inner side of the base (201), two mounting plates (202) are arranged on the inner side of the base (201) in a protruding mode, and the adjusting rod (21) is inserted into the top end of the mounting plate (202).
2. The highly stable flux leakage detection metering device according to claim 1, wherein: an anti-rotation bolt (211) which is in threaded connection with the peripheral wall of the adjusting rod (21) is inserted into the mounting plate (202).
3. The highly stable flux leakage detection metering device according to claim 1, wherein: the side surface of the support arm (22) is in an equilateral obtuse triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232239.8U CN211577051U (en) | 2018-12-28 | 2018-12-28 | High-stability metering device for magnetic flux leakage detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232239.8U CN211577051U (en) | 2018-12-28 | 2018-12-28 | High-stability metering device for magnetic flux leakage detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211577051U true CN211577051U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232239.8U Active CN211577051U (en) | 2018-12-28 | 2018-12-28 | High-stability metering device for magnetic flux leakage detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211577051U (en) |
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2018
- 2018-12-28 CN CN201822232239.8U patent/CN211577051U/en active Active
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