CN213452739U

CN213452739U - Fixing device for magnetic flux leakage detector

Info

Publication number: CN213452739U
Application number: CN202021698364.9U
Authority: CN
Inventors: 史善志; 赵绍强; 王琨; 段绍婷; 张娴; 赵绍彪; 马光旭; 李建华; 张伟; 崔振; 张合方; 赵晴川; 蔡辉
Original assignee: TIANJIN TIANOU INSPECTION TECHNOLOGY CO LTD
Current assignee: TIANJIN TIANOU INSPECTION TECHNOLOGY CO LTD
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-15
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a fixing device for magnetic leakage detector, which comprises a bod, the organism is the step shaft shape, and it has a plurality of recesses to open on the organism major diameter part, and the axis evenly distributed of organism is followed to the recess. The magnetic leakage detector fixing device is provided with the bidirectional screw rod driven by the adjusting motor in the groove, so that the two sliding seats can be conveniently adjusted to be close to or far away from each other, the connecting rod is deflected, the purpose of changing the extension size of the mounting seat is achieved, and the fixing device can be suitable for magnetic leakage detection of pipelines with different sizes; moreover, the mounting seat is uniformly provided with the plurality of assembling grooves, so that the mounting seat is uniformly provided with the plurality of magnetic flux leakage detectors, and the accuracy of a detection result is improved; in addition, through being equipped with the laminating piece on the slide bar, the external diameter size of laminating piece is greater than the slide bar, can enough protect the magnetic leakage detector, enlarges the contact surface with the magnetic leakage detector simultaneously, ensures the effect of fixed clamping.

Description

Fixing device for magnetic flux leakage detector

Technical Field

The utility model relates to a magnetic leakage detects technical field, specifically is a fixing device for magnetic leakage detector.

Background

Pipeline transportation is a new and economic transportation mode, and particularly has natural advantages in the aspect of conveying bulk goods such as gas, liquid, slurry and the like, and pipeline leakage becomes the most frequent accident in the pipeline industry due to the reasons of natural corrosion, aging, natural disasters, artificial damage and the like of pipelines, so that a magnetic leakage detector is required to regularly detect the pipelines, but the magnetic leakage detector is required to be attached to a fixing device in the using process, and the existing magnetic leakage detector has fixed size and cannot effectively detect the pipelines with different sizes; therefore, there is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device for magnetic leakage detector 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 fixing device for a magnetic flux leakage detector comprises a machine body, wherein the machine body is in a stepped shaft shape, a large-diameter part of the machine body is provided with a plurality of non-through grooves, the cross sections of the grooves are arc-shaped, and the number of the grooves is not less than three and is uniformly distributed along the axis of the machine body; as a further aspect of the present invention: a straight bidirectional screw rod is assembled in the groove, one end of the bidirectional screw rod extends into the machine body and is connected with an adjusting motor in a transmission manner, a power supply and the adjusting motor are arranged in the machine body in an electric installation manner, two sliding seats are installed on the bidirectional screw rod at intervals and are in transmission fit with the bidirectional screw rod and are in sliding connection with the groove, inclined connecting rods are rotatably installed on the sliding seats, the two connecting rods are oppositely distributed, and one end of each connecting rod, which deviates from the sliding seats, is rotatably installed with the bottom end of the mounting seat; the mounting seat is of a rectangular plate structure, a plurality of non-through assembling grooves are uniformly formed in the mounting seat, and a magnetic flux leakage detector is assembled in each assembling groove.

As a further aspect of the present invention: a plurality of sliding rods are uniformly arranged on one side of the mounting seat, the sliding rods are in mounting connection with the mounting seat through matching threads, one ends of the sliding rods extend to the inner side of the assembling groove and are connected with fitting blocks, and the outer diameter of each fitting block is larger than that of each sliding rod; one end of the sliding rod, which deviates from the fitting block, extends to the outer side of the mounting seat and is fixedly connected with a handle.

As a further aspect of the present invention: one side of the machine body is provided with a non-through threaded hole.

As a further aspect of the present invention: the adjusting motor is a stepping motor.

As a further aspect of the present invention: the fitting block and the sliding rod are installed and connected by adopting internal and external matching threads.

As a further aspect of the present invention: the mounting structure is characterized in that non-through mounting grooves are formed in two sides of the upper end face of the mounting seat, the two mounting grooves are symmetrically distributed along the center of the mounting seat, a bidirectional screw and a transmission rod are mounted in the two mounting grooves respectively, one end of the bidirectional screw extends to the outer side of the mounting seat, two limiting plates are mounted between the bidirectional screw and the transmission rod at intervals, the limiting plates are in transmission fit with the bidirectional screw and are in sliding connection with the transmission rod, and the limiting plates are located on the upper portion of the front and the rear of.

Compared with the prior art, the beneficial effects of the utility model are that: the fixing device of the magnetic leakage detector is simple in structure and convenient to use; the machine body is uniformly provided with the plurality of grooves, and the grooves are internally provided with the bidirectional screw rods driven by the adjusting motors, so that the two sliding seats can be conveniently adjusted to be close to or far away from each other, the connecting rod can deflect, the purpose of changing the extension size of the mounting seat is achieved, and the fixing device can be suitable for magnetic flux leakage detection of pipelines with different sizes; moreover, the mounting seat is uniformly provided with the plurality of assembling grooves, so that the mounting seat is uniformly provided with the plurality of magnetic flux leakage detectors, and the accuracy of a detection result is improved; in addition, through being equipped with the laminating piece on the slide bar, the external diameter size of laminating piece is greater than the slide bar, can enough protect the magnetic leakage detector, enlarges the contact surface with the magnetic leakage detector simultaneously, ensures the effect of fixed clamping.

Drawings

Fig. 1 is a schematic view of a fixing device for a leakage flux detector.

Fig. 2 is a schematic sectional view of a fixing device for a leakage flux detector.

Fig. 3 is a side view of a fixture for a leakage flux detector.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic structural view of a mount in the fixing device for a leakage flux detector in embodiment 3.

In the figure: 1-machine body, 2-groove, 3-bidirectional screw rod, 4-slide seat, 5-connecting rod, 6-mounting seat, 7-assembly groove, 8-threaded hole, 9-adjusting motor, 10-handle, 11-sliding rod, 12-fitting block, 13-mounting groove, 14-bidirectional screw rod, 15-transmission rod and 16-limiting plate.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, a fixing device for a magnetic flux leakage detector comprises a machine body 1, wherein the machine body 1 is in a stepped shaft shape, a large-diameter part of the machine body 1 is provided with a plurality of non-through grooves 2, the cross sections of the grooves 2 are arc-shaped, and the number of the grooves 2 is not less than three and is uniformly distributed along the axis of the machine body 1; a straight bidirectional screw rod 3 is assembled in the groove 2, one end of the bidirectional screw rod 3 extends into the machine body 1 and is connected with an adjusting motor 9 in a transmission manner, a power supply and the adjusting motor 9 are arranged in the machine body 1 in an electric installation manner, two sliding seats 4 are installed on the bidirectional screw rod 3 at intervals, the sliding seats 4 are in transmission fit with the bidirectional screw rod 3 and are in sliding connection with the groove 2, the two sliding seats 4 can be close to or far away from each other by starting the operation of the bidirectional screw rod 3, inclined connecting rods 5 are rotatably installed on the sliding seats 4, and one ends, which are distributed oppositely and depart from the sliding seats 4, of the two connecting rods 5 are; the mounting seat 6 is of a rectangular plate structure, a plurality of non-through assembling grooves 7 are uniformly formed in the mounting seat 6, and a magnetic flux leakage detector is assembled in each assembling groove 7.

Furthermore, a plurality of sliding rods 11 are uniformly installed on one side of the installation seat 6, the sliding rods 11 are installed and connected with the installation seat 6 through matching threads, one end of each sliding rod 11 extends to the inner side of the assembly groove 7 and is connected with an attaching block 12, the outer diameter of each attaching block 12 is larger than that of each sliding rod 11, and each attaching block 12 is firmly attached to the magnetic flux leakage detector, so that the magnetic flux leakage detector is installed and fixed; slide bar 11 deviates from the one end of laminating piece 12 and extends to the outside and the fixedly connected with handle 10 of mount pad 6 to make laminating piece 12 and magnetic leakage detector firm connection through handle 10, avoid magnetic leakage detector during operation to take place to drop.

Furthermore, one side of the machine body 1 is provided with a non-through threaded hole 8, so that the magnetic flux leakage detector fixing device is connected with other operation parts in an installing mode, and the use is convenient.

The specific type of the adjusting motor 9 is not limited, and preferably, in this embodiment, the adjusting motor 9 is a stepping motor, so as to precisely control the distance between the two sliders 4 and adjust the outward extending size of the mounting seat 6.

The working principle of the embodiment is as follows:

when the magnetic flux leakage detector is actually used, the magnetic flux leakage detector is placed in the assembling groove 7, the sliding rod 11 is rotated through the handle 10, so that the sliding rod 11 drives the fitting block 12 to be firmly fitted with the magnetic flux leakage detector, and the magnetic flux leakage detector is installed and fixed; the fixing device is assembled and connected with other necessary operation parts through a threaded hole 8; when carrying out the pipeline and examining time measuring, according to the internal diameter size of pipeline, start regulating motor 9 and operate, regulating motor 9 drives two-way lead screw 3 and operates, make, two slide 4 of assembly are close to each other or keep away from on the two-way lead screw 3, slide 4 removes and makes connecting rod 5 deflect, thereby change the size of 6 outside extensions of mount pad, make the position size of magnetic leakage detector with wait to detect pipeline internal diameter size phase-match, thereby the convenience carries out effectual detection to not unidimensional pipeline, promote the universality of magnetic leakage detector work.

Example 2

In embodiment 1, the sliding rod 11 is equipped with the fitting block 12 for mounting connection with the magnetic leakage detector, and the outer diameter of the fitting block 12 is larger than that of the sliding rod 11, so as to enlarge the contact area with the magnetic leakage detector, but this arrangement does not facilitate the mounting and dismounting of the sliding rod 11, therefore, the embodiment is improved on the basis of embodiment 1, and the improvement is that: laminating piece 12 and slide bar 11 adopt inside and outside cooperation screw thread erection joint to dismantle laminating piece 12 earlier before carrying out the dismouting of slide bar 11, make things convenient for the dismouting of laminating piece 12 to change simultaneously, ensure the fixed effect of magnetic leakage detector.

Example 3

Referring to fig. 5, in order to further improve the fixing and clamping effect of the magnetic leakage detector, in this embodiment, a further improvement is performed on the basis of the foregoing embodiment, non-through mounting grooves 13 are formed in two sides of the upper end surface of the mounting seat 6, the two mounting grooves 13 are symmetrically distributed along the center of the mounting seat 6, two bidirectional screws 14 and transmission rods 15 are respectively mounted in the two mounting grooves 13, one end of each bidirectional screw 14 extends to the outer side of the mounting seat 6, two limiting plates 16 are mounted between the bidirectional screws 14 and the transmission rods 15 at intervals, the limiting plates 16 are in transmission fit with the bidirectional screws 14 and are in sliding connection with the transmission rods 15, and the limiting plates 16 are located at the front and rear upper portions of the assembly groove 7, so that the limiting plates 16 are close to or far away from each other by rotating the bidirectional screws 14, thereby further fixing the magnetic leakage detector and.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, which all fall within the protection scope of the present technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. A fixing device for a magnetic flux leakage detector comprises a machine body (1) and is characterized in that the machine body (1) is in a stepped shaft shape, a plurality of non-through grooves (2) are formed in the large-diameter part of the machine body (1), the cross sections of the grooves (2) are arc-shaped, and the number of the grooves (2) is not less than three and is uniformly distributed along the axis of the machine body (1); the groove (2) is internally provided with a straight bidirectional screw rod (3), one end of the bidirectional screw rod (3) extends to the inside of the machine body (1) and is connected with an adjusting motor (9) in a transmission manner, a power supply and the adjusting motor (9) are arranged inside the machine body (1) in an electric installation manner, two sliding seats (4) are installed on the bidirectional screw rod (3) at intervals, the sliding seats (4) are in transmission fit with the bidirectional screw rod (3) and are in sliding connection with the groove (2), inclined connecting rods (5) are rotatably installed on the sliding seats (4), and one ends of the two connecting rods (5) which are distributed oppositely and deviate from the sliding seats (4) are rotatably installed with the bottom end of the mounting seat (6; the mounting seat (6) is of a rectangular plate structure, a plurality of non-through assembling grooves (7) are uniformly formed in the mounting seat (6), and a magnetic flux leakage detector is assembled in each assembling groove (7).

2. The fixing device for the magnetic flux leakage detector according to claim 1, wherein a plurality of sliding rods (11) are uniformly installed on one side of the installation seat (6), the sliding rods (11) are installed and connected with the installation seat (6) through matching threads, one ends of the sliding rods (11) extend to the inner side of the assembling groove (7) and are connected with the fitting blocks (12), and the outer diameter of the fitting blocks (12) is larger than that of the sliding rods (11); one end of the sliding rod (11) departing from the fitting block (12) extends to the outer side of the mounting seat (6) and is fixedly connected with a handle (10).

3. The fixing device for the magnetic flux leakage detector according to claim 2, wherein a non-through threaded hole (8) is opened at one side of the body (1).

4. The fixture for a magnetic flux leakage detector according to claim 2, wherein said adjustment motor (9) is a stepping motor.

5. The fixing device for the magnetic flux leakage detector according to claim 3, wherein the fitting block (12) is installed and connected with the sliding rod (11) by adopting internal and external matching screw threads.

6. The fixing device for the magnetic flux leakage detector according to claim 2, wherein two non-through mounting grooves (13) are formed in two sides of the upper end surface of the mounting seat (6), the two mounting grooves (13) are symmetrically distributed along the center of the mounting seat (6), two-way screws (14) and transmission rods (15) are respectively mounted in the two mounting grooves (13), one ends of the two-way screws (14) extend to the outer side of the mounting seat (6), two limiting plates (16) are mounted between the two-way screws (14) and the transmission rods (15) at intervals, the limiting plates (16) are in transmission fit with the two-way screws (14) and are in sliding connection with the transmission rods (15), and the limiting plates (16) are located on the upper portions of the front and the rear of the assembling groove (7).