Portable steel pipe eddy current flaw detector

Abstract

The utility model relates to the technical field of steel pipe flaw detection, and discloses a portable steel pipe eddy current flaw detector, which comprises a flaw detector main body, a box body and a box cover hinged with the box body, supporting legs are hinged at corners of the bottom of the box body, a mounting plate is arranged in the box body, the flaw detector main body is mounted on the mounting plate, and the box cover is mounted on the box body. The corners of the mounting plate are connected with the box body through folding rods, the folding rods are in transmission connection with the supporting legs, a positioning plate is elastically connected to the mounting plate, and the positioning plate is matched with the box body in a clamped mode. According to the portable steel pipe eddy current flaw detector, the flaw detector body can be protected through cooperation of the box body and the box cover, the flaw detector body can be driven to rise out of the box body when the mounting plate is lifted upwards, meanwhile, the supporting legs are driven to rotate when the folding rods stretch, the box body is elevated and supported through cooperation of the supporting legs, and the box body can be stably placed through the supporting legs; and the flaw detector main body is placed at a high position, so that the data can be visually checked.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe flaw detection, in particular to a portable eddy current flaw detector for steel pipes. Background Art

[0002] An eddy current flaw detector is a device based on the principle of eddy current detection to detect whether there are defects such as cracks and pores in steel bars and plates. The instrument consists of an oscillator, a probe coil, a signal detection device, a measurement and comparison circuit, a signal processing alarm display, and a power supply, etc., and is mainly used for non-destructive flaw detection of metal materials.

[0003] Among them, the portable eddy current flaw detector is mainly used for outdoor metal material detection. At present, the portable eddy current flaw detector mainly consists of a flaw detector main body and a detection probe connected by a connecting wire. The patent document with the publication number CN218331353U in the prior art provides a portable eddy current flaw detector. In this document, when the flaw detector is not in use, the probe is placed in a storage box, and various commonly used probes can be stored in the storage box. In this way, placing the probe and the flaw detector together is convenient for carrying, and the situation of forgetting the probe will not occur, which is convenient for use and improves work efficiency.

[0004] Although this device can provide protection and storage for the flaw detector and the probe, when used outdoors, it is difficult to place the flaw detector horizontally on the ground, and the height is relatively low when placed on the ground, resulting in inconvenience for the staff to directly view the data. Therefore, there is an urgent need for a portable eddy current flaw detector for steel pipes to solve the above problems. Summary of the Utility Model

[0005] In view of the above problems that when used outdoors, it is difficult to place the flaw detector horizontally on the ground, and the height is relatively low when placed on the ground, resulting in inconvenience for the staff to directly view the data, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a portable eddy current flaw detector for steel pipes, and its purpose is to solve the problems that when used outdoors, it is difficult to place the flaw detector horizontally on the ground, and the height is relatively low when placed on the ground, resulting in inconvenience for the staff to directly view the data.

[0007] To solve the above technical problems, the present utility model provides the following technical solution: A portable eddy current flaw detector for steel pipes includes a flaw detector main body, and also includes a box body and a box cover hinged to it. Support legs are hinged at the bottom corners of the box body. An installation plate is provided in the box body, and the flaw detector main body is installed on the installation plate. Folding rods are connected to the corners of the installation plate and the box body, and the folding rods are in transmission connection with the support legs. And a positioning plate is elastically connected to the installation plate, and the positioning plate is in clamping fit with the box body.

[0008] As a preferred embodiment of the portable eddy current flaw detector for steel pipes of the present utility model, the following is provided: A support rod is slidably connected inside the support leg, and a bolt is threadedly connected to the movable end of the support leg, and one end of the bolt abuts against the support rod.

[0009] As a preferred embodiment of the portable eddy current flaw detector for steel pipes of the present utility model, the following is provided: The folding rod is composed of two struts hinged to each other. One strut is hinged to the box body, and the other strut is hinged to the mounting plate.

[0010] As a preferred embodiment of the portable eddy current flaw detector for steel pipes of the present utility model, the following is provided: One end of the folding rod is fixedly connected with a first gear, and one end of the support leg is fixedly connected with a second gear, and the first gear is meshed with the second gear.

[0011] As a preferred embodiment of the portable eddy current flaw detector for steel pipes of the present utility model, the following is provided: An abutting surface is provided at the rotating end of the support leg, and a fixed block is abutted and cooperated on the abutting surface, and the fixed block is fixedly connected to the bottom of the box body.

[0012] As a preferred embodiment of the portable eddy current flaw detector for steel pipes of the present utility model, the following is provided: The positioning plate has an L-shaped structure, the positioning plate is slidably connected to the mounting plate, a lifting hole is formed in the positioning plate through the mounting plate, and a spring is elastically connected between the positioning plate and the mounting plate, and a plurality of positioning holes for plugging and matching with the positioning plate are provided in the box body.

[0013] Advantages of the present utility model:

[0014] 1. The present utility model can protect the flaw detector main body through the cooperation of the box body and the box cover. When the mounting plate is lifted, the flaw detector main body can be lifted out of the box body. At the same time, when the folding rod extends, it drives the support leg to rotate, and each support leg cooperates to support the box body at a high position. The box body can be stably placed through the support leg, and the flaw detector main body is placed at a high position, which is convenient for intuitively viewing data.

[0015] 2. When the flaw detector main body is located in the box body, the positioning plate is inserted into the lower positioning hole, which can limit the movement of the mounting plate, so that the flaw detector main body is stably arranged in the box body. At the same time, the rotation of the support leg can be restricted, which is convenient for carrying. Description of the drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of the portable eddy current flaw detector for steel pipes of the present utility model.

[0018] Figure 2 This is a schematic diagram of the box body and folding rod structure of the portable eddy current flaw detector for steel pipes of the present utility model.

[0019] Figure 3 This is a schematic diagram of the anatomical structure of the box body of the portable eddy current flaw detector for steel pipes of the present utility model.

[0020] Figure 4 This is for the Figure 3 magnified schematic diagram of the structure at position A in the portable eddy current flaw detector for steel pipes of the present utility model.

[0021] Figure 5 This is a disassembled schematic diagram of the mounting plate and positioning plate structures of the portable eddy current flaw detector for steel pipes of the present utility model.

[0022] Explanation of reference numerals:

[0023] 1. Box body; 101. Box cover; 102. Fixed block; 103. Positioning hole; 2. Support leg; 201. Support rod; 202. Bolt; 203. Contact surface; 3. Mounting plate; 4. Folding rod; 5. Gear one; 6. Gear two; 7. Positioning plate; 701. Lifting hole; 702. Spring; 8. Flaw detector main body. Specific embodiments

[0024] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model is given in conjunction with the accompanying drawings of the specification.

[0025] Embodiment 1

[0026] Referring to Figures 1-5 , which is the first embodiment of the present utility model, a portable eddy current flaw detector for steel pipes is provided. This portable eddy current flaw detector for steel pipes includes a flaw detector main body 8, and also includes a box body 1 and a box cover 101 hinged thereto. Support legs 2 are hinged at the bottom corners of the box body 1. A mounting plate 3 is provided inside the box body 1. The flaw detector main body 8 is mounted on the mounting plate 3. The corners of the mounting plate 3 are connected to the box body 1 through folding rods 4, and the folding rods 4 are in transmission connection with the support legs 2. A positioning plate 7 is elastically connected to the mounting plate 3, and the positioning plate 7 is in snap-fit connection with the box body 1.

[0027] In the above technical solution, when the mounting plate 3 and the flaw detector main body 8 are both arranged inside the box body 1, the support legs 2 are in contact with the bottom of the box body 1. The folding rod 4 is arranged to enable the mounting plate 3 to move vertically inside the box body. When the mounting plate 3 rises from inside the box body 1, it drives the folding rod 4 to rotate. At the same time, the folding rod 4 drives the support legs 2 to rotate. When the flaw detector main body 8 is higher than the top of the box body 1, the support legs 2 form an angle greater than 90° with the bottom of the box body 1. The support legs 2 cooperate to support the box body 1 at a raised height, so that the flaw detector main body 8 can be arranged at a height convenient for personnel to view and operate.

[0028] One end of the box cover 101 is hinged to one side of the upper end of the box body 1 through a hinge, and the other end of the box cover 101 is connected and fixed to the box body 1 through a buckle. And a handle is provided on the front side of the box body 1. After the box cover 101 and the box body 1 are closed and locked, the box body 1 can be driven to move through the handle.

[0029] It can be understood that the hinged joints of the four support legs 2 and the box body 1 are arranged in a trapezoidal structure, so that when each support leg 2 is in contact with the bottom of the box body 1, two adjacent support legs 2 can be displaced and staggered, thereby minimizing the occupied space of the device after being stored.

[0030] A support rod 201 is slidably connected inside the support leg 2, and a bolt 202 is threadedly connected to the movable end of the support leg 2. One end of the bolt 202 abuts and cooperates with the support rod 201.

[0031] In the above technical solution, when the device is unfolded and placed on the ground, by adjusting the support rod 201 inside a single support leg 2, the support rod 201 can be adjusted and adapted according to the uneven state of the ground. Then, tightening the bolt 202 can limit the support rod 201, so as to achieve the horizontal placement of the box body 1.

[0032] The folding rod 4 is composed of two struts hinged to each other. One strut is hinged to the box body 1, and the other strut is hinged to the mounting plate 3.

[0033] In the above technical solution, the two struts are arranged in a V shape, and the two folding rods 4 in the axial direction are symmetrically arranged, so that multiple folding rods 4 cooperate to realize the vertical lifting movement of the mounting plate 3 inside the box body 1.

[0034] One end of the folding rod 4 is fixedly connected with a first gear 5, and one end of the support leg 2 is fixedly connected with a second gear 6. The first gear 5 is meshed and connected with the second gear 6.

[0035] In the above technical solution, when the mounting plate 3 rises to drive the folding rod 4 to extend, and the end of the lower strut rotates, the first gear 5 drives the second gear 5 to rotate in the opposite direction, thereby simultaneously driving the support leg 2 to rotate and open.

[0036] It can be understood that the gear 5 is coaxially connected to the hinge joint of the lower side strut, and the gear 6 is coaxially connected to the hinge joint of the support leg 2, and the diameter of the gear 5 is larger than that of the gear 6, so that the folding rod 4 drives the support leg 2 to rotate at a large angle when rotating at a small angle.

[0037] The rotating end of the support leg 2 is provided with an abutting surface 203, and a fixing block 102 is abutted and fitted on the abutting surface 203. The fixing block 102 is fixedly connected to the bottom of the box body 1. At the same time, when the support leg 2 rotates to fit with the bottom of the box body 1, the bottom of the fixing block 102 protrudes from the support leg 2, and the box body 1 can be placed and supported by the fixing block 102.

[0038] In the above technical solution, when the support leg 2 is fully rotated and unfolded, the support leg 2 can be rotationally limited by the abutting of the fixing block 102 and the abutting surface 203, so that the support leg 2 provides stable support for the box body 1.

[0039] When in use, place the box body 1 on the ground. After opening the box cover 101, move the positioning plate 7 to cancel its insertion connection with the box body 1, and then raise the mounting plate 3 to drive the flaw detector main body 8 to rise out of the upper side of the box body 1, so that the positioning plate 7 is clamped with the box body 1 again. When the mounting plate 3 rises, it drives the folding rod 4 to rotate, and the gear 5 drives the gear 5 to rotate in the reverse direction, thereby driving the support leg 2 to rotate and open at the same time until the fixing block 102 abuts against the abutting surface 203, realizing that the support leg 2 provides a raised support for the box body 1 and enabling the flaw detector main body 8 to be arranged at a height convenient for personnel to view and operate.

[0040] When the ground is uneven, adjust the support rod 201 inside the support leg 2, and the support rod 201 can be adjusted and adapted according to the uneven state of the ground. Then tighten the bolt 202 to limit the support rod 201, so as to realize the horizontal placement of the box body 1.

[0041] Embodiment 2

[0042] Refer to Figure 2 , which is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that the positioning plate 7 has an L-shaped structure, the positioning plate 7 is slidably connected to the mounting plate 3, a lifting hole 701 is formed through the mounting plate 3 on the positioning plate 7, and a spring 702 is elastically connected between the positioning plate 7 and the mounting plate 3. A plurality of positioning holes 103 for inserting and mating with the positioning plate 7 are formed in the box body 1.

[0043] In the above technical solution, the positioning plate 7 can be driven to move through the lifting hole 701, and the mounting plate 3 can be driven to adjust the displacement. The positioning holes 103 are respectively opened at the lower end and the upper end inside the box body 1. When the positioning plate 7 is inserted into the lower positioning hole 103, the mounting plate 3 is limited inside the box body 1, so that the flaw detector main body 8 can be stably placed inside the box body 1. When the positioning plate 7 is inserted into the upper positioning hole 103, the flaw detector main body 8 can be arranged on the upper side of the box body 1, so that the operation interface and the display interface are completely exposed, facilitating personnel operation and viewing.

[0044] The remaining structures are the same as those of Embodiment 1.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A portable steel pipe eddy current flaw detector, comprising a flaw detector body (8), characterized in that: The invention also comprises a box body (1) and a box cover (101) hinged thereto, wherein the bottom corners of the box body (1) are hinged with support legs (2), a mounting plate (3) is arranged inside the box body (1), the flaw detector body (8) is mounted on the mounting plate (3), the corners of the mounting plate (3) are connected to the box body (1) via folding rods (4), the folding rods (4) are transmission-connected to the support legs (2), and a positioning plate (7) is elastically connected to the mounting plate (3), and the positioning plate (7) is snap-fitted with the box body (1).

2. The portable steel pipe eddy current flaw detector according to claim 1 is characterized in that: A support rod (201) is slidably connected inside the support leg (2), and a bolt (202) is threadedly connected to the movable end of the support leg (2), and one end of the bolt (202) is in abutment with the support rod (201).

3. The portable steel pipe eddy current flaw detector according to claim 1 is characterized in that: The folding rod (4) is composed of two mutually hinged support rods, one of which is hinged to the box body (1) and the other of which is hinged to the mounting plate (3).

4. The portable steel pipe eddy current flaw detector according to claim 1 is characterized in that: One end of the folding rod (4) is fixedly connected to a gear one (5), one end of the supporting leg (2) is fixedly connected to a gear two (6), and the gear one (5) is meshingly connected to the gear two (6).

5. The portable steel pipe eddy current flaw detector according to claim 1 is characterized in that: The rotating end of the support leg (2) is provided with an abutment surface (203), and a fixing block (102) is abutted and matched on the abutment surface (203), and the fixing block (102) is fixedly connected to the bottom of the box body (1).

6. The portable steel pipe eddy current flaw detector according to claim 1 is characterized in that: The positioning plate (7) is in an L-shaped structure. The positioning plate (7) is slidably connected to the mounting plate (3). The positioning plate (7) passes through the mounting plate (3) and is provided with a lifting hole (701). A spring (702) is elastically connected between the positioning plate (7) and the mounting plate (3). A plurality of positioning holes (103) for plugging and mating with the positioning plate (7) are provided in the box body (1).

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