CN213452379U - Detection device for pipeline magnetic flux leakage detection - Google Patents
Detection device for pipeline magnetic flux leakage detection Download PDFInfo
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- CN213452379U CN213452379U CN202021698357.9U CN202021698357U CN213452379U CN 213452379 U CN213452379 U CN 213452379U CN 202021698357 U CN202021698357 U CN 202021698357U CN 213452379 U CN213452379 U CN 213452379U
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Abstract
The utility model discloses a detection device for pipeline magnetic flux leakage detection, which comprises a cylinder and a magnetic field sensor; a travelling wheel mechanism is arranged on the outer side of the cylinder body and comprises two groups of roller groups, and each group of roller groups comprises three universal wheels which are distributed in a triangular manner; the right side of the barrel is sleeved with a sleeve, and the outer side of the sleeve is provided with a group of symmetrically arranged magnetization structures. The utility model adjusts the position of the universal wheel by arranging the walking wheel mechanism comprising the universal wheel, the first moving frame, the lead screw, the driven gear, the central shaft, the first worm wheel, the first worm and the hand wheel which are distributed in a triangular way, so that the detection device is suitable for pipelines with different diameters and specifications and is convenient to move; through being equipped with magnetization mechanism, sleeve, second removal frame, two-way lead screw, second worm wheel, second worm, regulating wheel, driving motor for magnetization mechanism and magnetic field inductor are pressed close to with the pipeline inner wall, guarantee magnetization and detection effect, have better adaptability.
Description
Technical Field
The utility model relates to a pipeline detection device field specifically is a detection device for pipeline magnetic leakage detects.
Background
Traditional pipeline magnetic leakage detection device, the structure is fixed, and the adaptation that can not be fine removes in the pipeline of different diameter specifications, has reduced the efficiency that detects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detection device for pipeline magnetic leakage detects to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a detection device for pipeline magnetic flux leakage detection comprises a cylinder and a magnetic field sensor; the traveling wheel mechanism is arranged on the outer side of the barrel and comprises two groups of roller wheels, the roller groups comprise three universal wheels which are distributed in a triangular manner, the universal wheels are rotatably connected with a first moving frame, the first moving frame penetrates through the barrel and is in sliding connection with a shell of the barrel, a lead screw penetrates through the first moving frame, the inner end of the lead screw is fixedly connected with a driven gear, the driven gear is meshed with a central gear, the central gear is fixedly connected with a central shaft, the central shaft extends to the left side of the barrel, the left end of the central shaft is fixedly connected with a first worm wheel, the first worm wheel is meshed with a first worm, and the upper end of the; the right side of the barrel is sleeved with a sleeve, a group of magnetization structures are symmetrically arranged on the outer side of the sleeve, each magnetization structure comprises a permanent magnet, and the outer end of each permanent magnet is fixedly connected with a steel wire brush; and a transverse connecting rod is fixedly connected between the first movable frames, and the outer end of the transverse connecting rod is fixedly connected with a magnetic field sensor.
As a further aspect of the present invention: the barrel is a hollow cylinder horizontally arranged, and the first movable frame is a rectangular frame.
As a further aspect of the present invention: the outer end of the screw rod is rotatably connected with the inner wall of the barrel through a bearing seat.
As a further aspect of the present invention: a protective box is sleeved on the outer side of the first worm gear and fixedly connected with the left end face of the cylinder; the lower end of the first worm is rotatably connected with the inner wall of the protective box through a bearing seat, and the first worm extends to the upper part of the protective box.
As a further aspect of the present invention: the sleeve is rotationally connected with the cylinder body through a bearing sleeve.
As a further aspect of the present invention: the sliding frame penetrates through the second moving frame and is connected with the second moving frame in a sliding mode, the cross section of the sliding frame is I-shaped, a spring is arranged between the sliding frame and the second moving frame, and the spring is sleeved on the sliding frame; the right end face of the sleeve is provided with a rectangular sliding groove, and the second movable frame penetrates through the outer wall of the sleeve and extends into the rectangular sliding groove; the bidirectional screw rod is arranged in the rectangular sliding groove, penetrates through the second movable frame which is symmetrically arranged and is in threaded connection with the second movable frame, a second worm wheel is fixedly sleeved in the middle of the bidirectional screw rod, a second worm is meshed with the second worm, the inner end of the second worm is rotatably connected with the inner wall of the rectangular sliding groove through a bearing seat, and the outer end of the second worm is fixedly connected with a regulating wheel.
As a further aspect of the present invention: the inner side of the sleeve is fixedly connected with an output shaft of a driving motor, and the driving motor is embedded in the barrel and is fixedly connected with the inner wall of the barrel in a bolt fixing mode.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model adjusts the position of the universal wheel by arranging the walking wheel mechanism comprising the universal wheel, the first moving frame, the lead screw, the driven gear, the central shaft, the first worm wheel, the first worm and the hand wheel which are distributed in a triangular way, so that the detection device is suitable for pipelines with different diameters and specifications and is convenient to move; through being equipped with magnetization mechanism, sleeve, second removal frame, two-way lead screw, second worm wheel, second worm, regulating wheel, driving motor for magnetization mechanism and magnetic field inductor are pressed close to with the pipeline inner wall, guarantee magnetization and detection effect, have better adaptability.
Drawings
FIG. 1 is a schematic structural diagram of a detection device for detecting magnetic flux leakage of a pipeline;
FIG. 2 is a left side view schematic structural diagram of a traveling mechanism in the detection device for detecting the magnetic flux leakage of the pipeline;
FIG. 3 is a perspective view of a sleeve of the detecting device for detecting magnetic flux leakage of a pipeline;
fig. 4 is an enlarged view of a point a in fig. 1.
In the figure: 1-a cylinder body; 2-universal wheels; 3-a first moving frame; 4-a screw rod; 5-a driven gear; 6-a sun gear; 7-central axis; 8-a first worm gear; 9-a first worm; 10-hand wheel; 11-a protective box; 12-a sleeve; 1201-rectangular groove; 13-a bearing sleeve; 14-a permanent magnet; 15-a wire brush; 16-a carriage; 17-a second moving frame; 18-a bidirectional screw rod; 19-a second worm gear; 20-a second worm; 21-a regulating wheel; 22-transverse connecting rods; 23-magnetic field sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, a detection device for detecting magnetic flux leakage of a pipeline includes a cylinder 1 and a magnetic field sensor 23; the barrel body 1 is a hollow cylinder which is horizontally arranged, and a traveling wheel mechanism is arranged on the outer side of the barrel body 1; the travelling wheel mechanism comprises two groups of roller groups, each group of roller group comprises three universal wheels 2 distributed in a triangular manner, the universal wheels 2 are rotatably connected with a first movable frame 3, the first movable frame 3 is a rectangular frame, and the first movable frame 3 penetrates through the barrel body 1 and is connected with the shell of the barrel body 1 in a sliding manner; the first movable frame 3 extends into the barrel 1, a screw rod 4 penetrates through the first movable frame 3, the outer end of the screw rod 4 is rotatably connected with the inner wall of the barrel 1 through a bearing seat, a driven gear 5 is fixedly connected to the inner end of the screw rod 4, the driven gear 5 is meshed with a central gear 6, the central gear 6 is fixedly connected with a central shaft 7, the central shaft 7 extends to the left side of the barrel 1, a first worm wheel 8 is fixedly connected to the left end of the central shaft 7, a first worm 9 is meshed with the first worm wheel 8, a protection box 11 is sleeved on the outer side of the first worm wheel 8, and the protection box 11 is fixedly connected with the left; the lower end of the first worm 9 is rotatably connected with the inner wall of the protective box 11 through a bearing seat, the first worm 9 extends to the upper side of the protective box 11, and the upper end of the first worm 9 is fixedly connected with a hand-operated wheel 10.
Specifically, through revolving hand wheel 10 soon, first worm 9 drives first worm wheel 8 and central shaft 7 and rotates, central shaft 7 drives lead screw 4 through central gear 6 and driven gear 5 and rotates, the first frame 3 that removes of lead screw 4 drive is stretched out and is withdrawed the action, and then changes the distance between universal wheel 2 and the barrel 1, make universal wheel 2 with wait to detect the pipeline inner wall butt, make detection device can adapt to the pipeline of different diameter specifications, make detection device can wait to detect the steady removal in the pipeline.
The right side of the barrel body 1 is sleeved with a sleeve 12, the sleeve 12 is rotatably connected with the barrel body 1 through a bearing sleeve 13, a group of magnetization structures are symmetrically arranged on the outer side of the sleeve 12, each magnetization mechanism comprises a permanent magnet 14, the outer end of each permanent magnet 14 is fixedly connected with a steel wire brush 15, and a pipeline is magnetized through the magnetization mechanisms; fixedly connected with transverse connection pole 22 between the first removal frame 3, transverse connection pole 22 outer end fixedly connected with magnetic field sensor 23, magnetic field sensor 23 detects the magnetic field of the pipeline after the magnetization, and then discovers the leak source, and magnetic field sensor 23 is close to the pipeline inner wall along with universal wheel 2, has better adaptability, guarantees the effect of magnetic field detection.
Example 2
This example differs from example 1 in that: in order to improve the magnetization effect; a sliding frame 16 is fixedly connected to the inner side of the permanent magnet 14, a second moving frame 17 penetrates through the sliding frame 16 and is in sliding connection with the second moving frame 17, the cross section of the sliding frame 16 is I-shaped, a spring is arranged between the sliding frame 16 and the second moving frame 17 and sleeved on the sliding frame 16, and therefore the magnetizing mechanism can be attached to the inner wall of the pipeline; a rectangular sliding groove 1201 is formed in the right end face of the sleeve 12, and the second moving frame 17 penetrates through the outer wall of the sleeve 12 and extends into the rectangular sliding groove 1201; a bidirectional screw rod 18 is arranged in the rectangular sliding groove 1201, the bidirectional screw rod 18 penetrates through a second movable frame 17 which is symmetrically arranged and is in threaded connection with the second movable frame 17, a second worm wheel 19 is fixedly sleeved in the middle of the bidirectional screw rod 18, a second worm 20 is meshed with the second worm wheel 19, the inner end of the second worm 20 is rotatably connected with the inner wall of the rectangular sliding groove 1201 through a bearing seat, and the outer end of the second worm 20 is fixedly connected with an adjusting wheel 21; specifically, by screwing the adjusting wheel 21, the two-way screw rod 18 drives the second movable frames 17 which are symmetrically arranged to move in the opposite direction or in the opposite direction, so that the magnetizing mechanism is driven to move, the magnetizing operation of pipelines with different diameters is adapted, and the magnetizing effect is improved.
The inner side of the sleeve 12 is fixedly connected with an output shaft of a driving motor 24, the driving motor 24 is embedded in the cylinder 1 and is fixedly connected with the inner wall of the cylinder 1 in a bolt fixing mode, the driving motor 24 drives the sleeve 12 to rotate, and then the magnetizing mechanism is driven to do circular motion, so that the inner wall of the pipeline is efficiently magnetized.
The following are specifically mentioned: in the application, the magnetic field sensor and the external display mechanism are not described in detail for the prior art; the device comprises a universal wheel, a first moving frame, a screw rod, a driven gear, a central shaft, a first worm wheel, a first worm, a traveling wheel mechanism of a hand-operated wheel, a magnetizing mechanism, a sleeve, a second moving frame, a bidirectional screw rod, a second worm wheel, a second worm, an adjusting wheel and a driving motor which are distributed in a triangular manner, and is characterized in that the device is innovative; the position of the universal wheel is adjusted by the walking wheel mechanism comprising the universal wheel, the first moving frame, the screw rod, the driven gear, the central shaft, the first worm wheel, the first worm and the hand-operated wheel which are distributed in a triangular manner, so that the detection device is suitable for pipelines with different diameters and specifications and is convenient to move; through being equipped with magnetization mechanism, sleeve, second removal frame, two-way lead screw, second worm wheel, second worm, regulating wheel, driving motor for magnetization mechanism and magnetic field inductor are pressed close to with the pipeline inner wall, guarantee magnetization and detection effect, have better adaptability.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A detection device for pipeline magnetic flux leakage detection comprises a cylinder (1) and a magnetic field sensor (23); the automatic feeding device is characterized in that a walking wheel mechanism is arranged on the outer side of the barrel body (1), the walking wheel mechanism comprises two groups of roller groups, each group of roller groups comprises three universal wheels (2) distributed in a triangular mode, each universal wheel (2) is connected with a first movable frame (3) in a rotating mode, each first movable frame (3) penetrates through the barrel body (1) and is connected with a shell of the barrel body (1) in a sliding mode, a lead screw (4) penetrates through each first movable frame (3), a driven gear (5) is fixedly connected to the inner end of each lead screw (4), each driven gear (5) is meshed with a central gear (6), each central gear (6) is fixedly connected with a central shaft (7), each central shaft (7) extends to the left side of the barrel body (1), the left end of each central shaft (7) is fixedly connected with a first worm wheel (8), each first worm wheel (8) is meshed with; the right side of the barrel body (1) is sleeved with a sleeve (12), a group of magnetization structures are symmetrically arranged on the outer side of the sleeve (12), each magnetization mechanism comprises a permanent magnet (14), and the outer end of each permanent magnet (14) is fixedly connected with a steel wire brush (15); and a transverse connecting rod (22) is fixedly connected between the first movable frames (3), and a magnetic field sensor (23) is fixedly connected at the outer end of the transverse connecting rod (22).
2. The detecting device for the magnetic flux leakage detection of the pipeline according to claim 1, wherein the cylinder body (1) is a hollow cylinder horizontally arranged, and the first movable frame (3) is a rectangular frame.
3. The detection device for pipeline magnetic flux leakage detection according to claim 1, wherein the outer end of the screw rod (4) is rotatably connected with the inner wall of the cylinder (1) through a bearing seat.
4. The detection device for pipeline magnetic flux leakage detection according to claim 1, wherein a protective box (11) is sleeved outside the first worm wheel (8), and the protective box (11) is fixedly connected with the left end face of the cylinder (1); the lower end of the first worm (9) is rotatably connected with the inner wall of the protective box (11) through a bearing seat, and the first worm (9) extends to the position above the protective box (11).
5. The detection device for the pipeline magnetic flux leakage detection is characterized in that the sleeve (12) is rotatably connected with the cylinder body (1) through a bearing sleeve (13).
6. The detection device for pipeline magnetic flux leakage detection according to claim 1, wherein a sliding frame (16) is fixedly connected to the inner side of the permanent magnet (14), the sliding frame (16) penetrates through the second movable frame (17) and is slidably connected with the second movable frame (17), the cross section of the sliding frame (16) is in an i shape, a spring is arranged between the sliding frame (16) and the second movable frame (17), and the spring is sleeved on the sliding frame (16); a rectangular sliding groove (1201) is formed in the right end face of the sleeve (12), and the second moving frame (17) penetrates through the outer wall of the sleeve (12) and extends into the rectangular sliding groove (1201); the novel adjustable screw conveyor is characterized in that a bidirectional screw rod (18) is arranged in the rectangular sliding groove (1201), the bidirectional screw rod (18) penetrates through a second movable frame (17) which is symmetrically arranged and is in threaded connection with the second movable frame (17), a second worm wheel (19) is fixedly sleeved in the middle of the bidirectional screw rod (18), the second worm wheel (19) is meshed with a second worm (20), the inner end of the second worm (20) is rotatably connected with the inner wall of the rectangular sliding groove (1201) through a bearing seat, and the outer end of the second worm (20) is fixedly connected with an adjusting wheel (21).
7. The detection device for the pipeline magnetic flux leakage detection according to claim 6, wherein an output shaft of a driving motor (24) is fixedly connected to the inner side of the sleeve (12), and the driving motor (24) is nested in the barrel (1) and is fixedly connected with the inner wall of the barrel (1) in a bolt fixing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698357.9U CN213452379U (en) | 2020-08-14 | 2020-08-14 | Detection device for pipeline magnetic flux leakage detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021698357.9U CN213452379U (en) | 2020-08-14 | 2020-08-14 | Detection device for pipeline magnetic flux leakage detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213452379U true CN213452379U (en) | 2021-06-15 |
Family
ID=76309483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021698357.9U Expired - Fee Related CN213452379U (en) | 2020-08-14 | 2020-08-14 | Detection device for pipeline magnetic flux leakage detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213452379U (en) |
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2020
- 2020-08-14 CN CN202021698357.9U patent/CN213452379U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |