CN216051524U

CN216051524U - Device convenient to location magnetic sensitivity test block

Info

Publication number: CN216051524U
Application number: CN202122575857.4U
Authority: CN
Inventors: 秦启军; 车天峰; 刘衍嵩; 梁兆银; 韩法宁
Original assignee: Shandong Tianyi Engineering Testing Co ltd
Current assignee: Shandong Tianyi Engineering Testing Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model belongs to the technical field of magnetic particle testing's technique and specifically relates to a device convenient to location magnetic sensitivity test block is related to, and it includes fixed establishment and preforming mechanism, preforming mechanism includes locating piece and adjusting part, fixed establishment with the block connection, the inspection hole has been seted up on the locating piece, set up the constant head tank that is used for the test block location on the lateral wall of inspection hole, adjusting part sets up on the locating piece, adjusting part contradicts with the test block. This application constant head tank can realize the location of test block fast, reduces the adjustment time of test block to work efficiency has been improved.

Description

Device convenient to location magnetic sensitivity test block

Technical Field

The application relates to the technical field of magnetic particle testing, in particular to a device convenient for positioning a magnetic particle sensitivity test piece.

Background

At present, magnetic particle inspection is a nondestructive inspection method for inspecting defects on the surface or near the surface of a ferromagnetic material by accumulating magnetic particles in a leakage magnetic field near the defects. A flaw detection method for magnetizing a workpiece made of magnetic materials such as steel, etc., and displaying the surface defects and near-surface defects of the detected workpiece according to the distribution of magnetic powder by utilizing the characteristic that magnetic flux leakage energy at the defective part of the workpiece adsorbs the magnetic powder.

Chinese patent No. CN208520808U discloses a test piece fixing frame special for magnetic particle inspection, which comprises a frame, a connecting shaft, compression screws and fixing bands, wherein the connecting shaft is symmetrically arranged at the left and right sides of the frame, the compression screws are uniformly arranged on the frame, and two ends of the fixing bands are connected with the connecting shafts at the left and right sides of the frame; the frame be the rectangular plate structure, be the arcwall face that makes progress to the epirelief above and below the frame, the centre is provided with polygonal observation window, the periphery of observation window evenly is provided with fixed screw hole, both ends symmetry is provided with outstanding fixed band otic placode about the frame, place the test block on treating the work piece, place the frame on the work piece, aim at the center of test block with the observation window on the frame, connect fixed band and connecting axle, then compress tightly the test block with clamp bolt, spray magnetic suspension on the test block surface, detect the test block with the magnetic particle flaw detector, confirm the sensitivity of magnetic particle flaw detector.

In the process of implementing the present application, the inventor finds that at least the following problems exist in the technology, when the frame is installed, the observation window is easily misaligned with the test piece, readjustment is needed, and time is wasted.

SUMMERY OF THE UTILITY MODEL

For the convenience of test piece location, improve work efficiency, this application provides a device convenient to location magnetic sensitivity test piece.

The application provides a pair of device convenient to location magnetic sensitivity test block adopts following technical scheme:

the utility model provides a device convenient to location magnetic sensitivity test block, includes fixed establishment and sheeting mechanism, sheeting mechanism includes locating piece and adjusting part, fixed establishment with the block connection, the inspection hole has been seted up on the locating piece, set up the constant head tank that is used for the test block location on the lateral wall of inspection hole, adjusting part sets up on the locating piece, adjusting part contradicts with the test block.

By adopting the technical scheme, the test piece is placed in the positioning groove, the positioning block is fixed on the workpiece to be detected by an operator through the fixing mechanism, then the test piece is adjusted through the adjusting assembly, so that the test piece is abutted against the workpiece, the magnetic suspension is sprayed on the test piece, and the sensitivity of the magnetic powder flaw detector is tested; the constant head tank can realize the location of test block fast, reduces the adjustment time of test block to work efficiency has been improved.

Optionally, the fixing mechanism includes a fixing seat, a fixing screw, a fixing nut and a fixing block, and the fixing seat is abutted against the workpiece to be detected; the fixed block is provided with two, two the fixed block sets up respectively the both ends of locating piece, the both ends of fixing base all are provided with fixing screw, fixing screw's the other end passes the fixed block, fixation nut with fixing screw passes the one end of fixed block and is connected, fixation nut with the fixed block is kept away from the lateral wall of fixing base is contradicted.

By adopting the technical scheme, an operator places the workpiece to be detected on the fixed seat, holds the fixed block and slides towards the direction close to the workpiece to be detected, the fixed screw penetrates through the fixed block, the fixed nut is connected with the fixed bolt, the fixed nut is abutted against the fixed block, and the positioning block is fixed on the workpiece to be detected; the fixing mechanism is simple in structure and convenient to operate, and therefore working efficiency is improved.

Optionally, the positioning block is provided with a plurality of sliding holes communicated with the positioning grooves, and the side walls of the sliding holes are provided with limiting grooves; the adjusting assembly comprises a sliding rod, a sucker, an adjusting bolt and a limiting block, the sliding rod is arranged in the sliding hole in a sliding mode, the limiting block is arranged in the limiting groove in a sliding mode, and the limiting block and the sliding rod are connected at one end of the sliding hole in a sliding mode; the other end of the sliding rod is positioned in the positioning groove, and the sucking disc is arranged at one end of the sliding rod, which is positioned in the positioning groove; the adjusting bolt is in threaded connection with the side wall, far away from the test piece, of the positioning block, and the adjusting bolt penetrates through the positioning block to be connected with the sliding rod in a rotating mode.

By adopting the technical scheme, the adjusting bolt is rotated clockwise, the adjusting bolt drives the sliding rod to slide towards the direction close to the fixed seat, the sliding rod drives the sucker to slide towards the direction close to the fixed seat, and the sucker drives the test piece to slide towards the direction close to the workpiece to be detected until the test piece is abutted against the workpiece to be detected; the sucker absorbs the test piece, so that the falling of the test piece in the process of installation and fixation is reduced, the service life of the test piece is prolonged, and the positioning effect of the positioning groove is further improved; the position of sucking disc is adjustable, is applicable to the test block of different thickness, and then has improved the suitability of locating piece.

Optionally, be connected with the fixed block through disassembly body on the locating piece, disassembly body includes two fixture blocks and coupling assembling, two the fixture block sets up respectively the both ends of locating piece, set up the draw-in groove with fixture block looks adaptation on the fixed block, the fixture block joint is in the draw-in groove, coupling assembling sets up on the fixed block, coupling assembling with the fixture block is connected.

Through adopting above-mentioned technical scheme, when the locating piece damaged, can dismantle coupling assembling, extract the draw-in groove on the fixed block with the fixture block, change new locating piece, and then reduced the wasting of resources.

Optionally, coupling assembling includes connecting bolt and lock nut, connecting bolt passes the fixed block with the fixture block is contradicted, lock nut threaded connection is in connecting bolt is last, lock nut with the fixed block is contradicted.

By adopting the technical scheme, the connecting bolt is rotated clockwise and is abutted against the clamping block, the locking nut is rotated anticlockwise and is abutted against the fixing block; the connecting assembly is simple in structure, and the phenomenon that the fixed block and the positioning block are separated is reduced, so that the stability of the positioning block is improved.

Optionally, both ends of the fixing seat are provided with adjusting holes, and the adjusting holes are formed along the length direction of the fixing seat; a limiting groove is formed in the side wall of the adjusting hole, and a sliding block is connected in the limiting groove in a sliding manner; the fixed block is provided with a sliding hole along the length direction; one end of the fixing screw rod is connected with the sliding block, and one end, far away from the sliding block, of the fixing screw rod slides in the sliding hole.

By adopting the technical scheme, the position of the fixing screw rod is slid according to the width of the workpiece to be detected, the fixing screw rod drives the sliding block to slide in the adjusting hole, and one end of the fixing screw rod, which is far away from the fixing seat, slides in the sliding hole; the position of the fixing screw rod can be adjusted according to the width of the workpiece, so that the applicability of the fixing mechanism is improved.

Optionally, be provided with the gasket on the fixed block, the gasket diameter is greater than the width in hole of sliding, set screw passes the gasket, the gasket with the fixed block is kept away from one side of fixing base is contradicted, fixation nut with the gasket is contradicted.

By adopting the technical scheme, an operator penetrates the fixing screw through the sliding hole in the fixing block and then sleeves the gasket on the fixing screw, so that the contact area between the fixing nut and the fixing block is increased, the pressure is reduced, and the loosening prevention effect is achieved.

Optionally, the fixing nut is provided with two turning blocks convenient to rotate, and the two turning blocks are uniformly arranged at one end, far away from the fixing block, of the fixing nut.

By adopting the technical scheme, the rotating block is rotated clockwise and drives the fixing nut to rotate; the rotating block has simple structure and convenient operation.

To sum up, the application comprises the following beneficial technical effects:

1. the positioning groove can quickly realize the positioning of the test piece, and the adjusting time of the test piece is reduced, so that the working efficiency is improved;

2. the sucker absorbs the test piece, so that the falling of the test piece in the process of installation and fixation is reduced, the service life of the test piece is prolonged, and the positioning effect of the positioning groove is further improved;

3. the position of sucking disc is adjustable, is applicable to the test block of different thickness, and then has improved the suitability of locating piece.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a device for conveniently positioning a magnetic powder sensitivity test piece according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a fixing mechanism in an embodiment of the present application;

FIG. 3 is a schematic diagram of the structure of a sheeting mechanism according to an embodiment of the present application;

fig. 4 is an enlarged view of a in fig. 3.

Reference numerals: 1. a fixing mechanism; 11. a fixed seat; 111. an adjustment hole; 112. a limiting groove; 12. fixing the screw rod; 13. fixing a nut; 14. a fixed block; 141. a sliding hole; 142. a card slot; 2. a tablet pressing mechanism; 21. positioning blocks; 211. a detection hole; 212. positioning a groove; 22. an adjustment assembly; 221. a slide bar; 222. a suction cup; 223. adjusting the bolt; 224. a limiting block; 3. a disassembly mechanism; 31. a clamping block; 32. a connecting assembly; 321. a connecting bolt; 322. a locking nut; 41. a slider; 42. a gasket; 43. and (6) rotating the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses device convenient to location magnetic sensitivity test block.

Referring to fig. 1, the device for conveniently positioning the magnetic powder sensitivity test piece comprises a fixing mechanism 1, wherein a pressing mechanism 2 for fixing the test piece is arranged on the fixing mechanism 1.

The test piece is placed on the tabletting mechanism 2, the tabletting mechanism 2 is fixed on a workpiece to be detected by an operator through the fixing mechanism 1, the magnetic particle flaw detector is opened, the magnetic particle flaw detector is abutted against the workpiece to be detected, and the sensitivity of the magnetic particle flaw detector is detected.

Referring to fig. 1 and 2, the fixing mechanism 1 includes a fixing seat 11, adjusting holes 111 are formed at both ends of the fixing seat 11, the adjusting holes 111 are in a shape of a straight line, and the adjusting holes 111 are formed along the length direction of the fixing seat 11; two ends of the fixed seat 11 are both provided with a fixed screw 12, and one end of the fixed screw 12 slides in the adjusting hole 111; a sliding hole is formed in the side wall of the adjusting hole 111, a sliding block 41 is connected in the sliding hole in a sliding manner, the sliding block 41 is fixedly connected with one end, sliding in the adjusting hole 111, of the fixing screw 12, and a fixing block 14 is arranged at one end, far away from the sliding block 41, of the fixing screw 12; the fixed block 14 is provided with a sliding hole 141, the sliding hole 141 is in a shape of a straight line, and one end of the fixed screw 12 far away from the sliding block 41 slides in the sliding hole 141 on the fixed block 14; the fixed screw 12 is sleeved with a gasket 42, the diameter of the gasket 42 is larger than the width of the sliding hole 141, and the gasket 42 is abutted against the side wall of the fixed block 14 away from the fixed seat 11; the fixing screw 12 is connected with a fixing nut 13 in a threaded manner, and the fixing nut 13 abuts against one end, far away from the fixing block 14, of the gasket 42.

One end of the fixing nut 13 far away from the gasket 42 is provided with two rotating blocks 43, the two rotating blocks 43 are both fixedly connected on the fixing nut 13, and the axes of the two rotating blocks 43 are overlapped.

Referring to fig. 3 and 4, the tablet pressing mechanism 2 includes a positioning block 21, the two ends of the positioning block 21 are provided with the detaching mechanism 3, the detaching mechanism 3 includes two clamping blocks 31, and the two clamping blocks 31 are respectively and fixedly connected to the two ends of the positioning block 21; clamping grooves are formed in the side walls, close to each other, of the two fixing blocks 14, and the clamping blocks 31 are clamped in the clamping grooves in the fixing blocks 14; the fixed block 14 has been seted up the second screw hole on keeping away from the lateral wall of fixing base 11, the second screw hole is linked together with the draw-in groove, be provided with coupling assembling 32 on the fixed block 14, coupling assembling 32 includes connecting bolt 321, connecting bolt 321 threaded connection is in the second screw hole on the fixed block 14, and connecting bolt 321 passes the second screw hole and contradicts with fixture block 31, and threaded connection has lock nut 322 on connecting bolt 321, and lock nut 322 contradicts with fixed block 14.

The positioning block 21 is provided with a detection hole 211, the side wall of the positioning block 21 close to the fixing base 11 is provided with a positioning groove 212 for positioning the test piece, and the positioning groove 212 is communicated with the detection hole 211.

Four sliding holes are formed in the positioning block 21, the axes of the sliding holes are parallel to the axis of the detection hole 211, and the sliding holes are communicated with the positioning grooves 212; the side wall of the positioning block 21 far away from the fixed seat 11 is provided with four first threaded holes communicated with the sliding hole, and the axis of each first threaded hole is superposed with the axis of the corresponding sliding hole; the positioning block 21 is provided with an adjusting component 22, the adjusting component 22 comprises a sliding rod 221, and the sliding rod 221 is connected with the inside of the sliding hole in a sliding manner; a limiting groove 112 is formed in the side wall of the sliding hole, a limiting block 224 is fixedly connected to the sliding rod 221, and the limiting block 224 is connected in the limiting groove 112 in a sliding manner; an adjusting bolt 223 is connected to the first threaded hole in a threaded manner, and one end of the adjusting bolt 223 penetrating through the first threaded hole is rotatably connected to the sliding rod 221; a suction cup 222 abutting against the test piece is fixedly connected to one end of the sliding rod 221 away from the adjusting bolt 223.

The implementation principle of the device convenient to location magnetic powder sensitivity test block of the embodiment of this application is: an operator places a workpiece to be detected on the fixed seat 11, then clamps the clamping block 31 in the clamping groove on the fixed block 14, rotates the connecting bolt 321 clockwise, the connecting bolt 321 abuts against the clamping block 31, rotates the locking nut 322 anticlockwise, and the locking nut 322 abuts against the fixed block 14; placing the test piece in the positioning groove 212 of the positioning block 21, and the test piece is abutted against the suction cup 222; an operator drives the fixed block 14 to slide towards the direction close to the workpiece, and the fixed bolt penetrates through a sliding hole 141 in the fixed block 14; sleeving the gasket 42 on the fixing screw 12, wherein the gasket 42 is abutted against the fixing block 14; then, the fixing nut 13 is connected to the fixing screw 12, and the rotating block 43 is rotated clockwise until the positioning block 21 abuts against the workpiece to be detected.

Rotating adjusting bolt 223 clockwise, adjusting bolt 223 drives slide bar 221 and slides towards the direction that is close to the work piece that detects, and slide bar 221 drives sucking disc 222 and slides towards the direction that is close to the work piece that detects, and sucking disc 222 drives the test block and slides towards the direction that is close to the work piece that detects, and the test block is contradicted with the work piece that detects until the test block.

An operator sprays magnetic suspension on the test piece through the detection hole 211, and the magnetic particle flaw detector is started to detect the sensitivity of the magnetic particle flaw detector.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a device convenient to location magnetic sensitivity test block, includes fixed establishment (1) and preforming mechanism (2), its characterized in that, preforming mechanism (2) are including locating piece (21) and adjusting part (22), fixed establishment (1) with locating piece (21) are connected, inspection hole (211) have been seted up on locating piece (21), set up constant head tank (212) that are used for the test block location on the lateral wall of inspection hole (211), adjusting part (22) set up on locating piece (21), adjusting part (22) are contradicted with the test block.

2. The device for conveniently positioning the magnetic powder sensitivity test piece according to claim 1, wherein the fixing mechanism (1) comprises a fixing seat (11), a fixing screw (12), a fixing nut (13) and a fixing block (14), and the fixing seat (11) is abutted against a workpiece to be detected; fixed block (14) are provided with two, two fixed block (14) set up respectively the both ends of locating piece (21), the both ends of fixing base (11) all are provided with clamping screw (12), clamping screw's (12) the other end passes fixed block (14), fixation nut (13) with clamping screw (12) pass the one end of fixed block (14) and are connected, fixation nut (13) with fixed block (14) are kept away from the lateral wall of fixing base (11) is contradicted.

3. The device for conveniently positioning a magnetic powder sensitivity test piece according to claim 1, wherein the positioning block (21) is provided with a plurality of sliding holes communicated with the positioning grooves (212), and the side wall of each sliding hole is provided with a limiting groove (112); the adjusting assembly (22) comprises a sliding rod (221), a sucker (222), an adjusting bolt (223) and a limiting block (224), the sliding rod (221) is arranged in the sliding hole in a sliding mode, the limiting block (224) is arranged in the limiting groove (112) in a sliding mode, and the limiting block (224) and the sliding rod (221) are connected at one end of the sliding hole in a sliding mode; the other end of the sliding rod (221) is positioned in the positioning groove (212), and the sucking disc (222) is arranged at one end of the sliding rod (221) positioned in the positioning groove (212); adjusting bolt (223) threaded connection on locating piece (21) keep away from the lateral wall of test block, adjusting bolt (223) pass locating piece (21) with slide bar (221) rotate and be connected.

4. The device convenient to location magnetic powder sensitivity test piece of claim 2, characterized in that, be connected with fixed block (14) through detaching mechanism (3) on locating piece (21), detaching mechanism (3) include two fixture blocks (31) and coupling assembling (32), two fixture block (31) set up respectively the both ends of locating piece (21), set up draw-in groove (142) with fixture block (31) looks adaptation on fixed block (14), fixture block (31) joint is in draw-in groove (142), coupling assembling (32) set up on fixed block (14), coupling assembling (32) with fixture block (31) are connected.

5. The device for conveniently positioning the magnetic powder sensitivity test piece according to claim 4, wherein the connecting assembly (32) comprises a connecting bolt (321) and a locking nut (322), the connecting bolt (321) penetrates through the fixing block (14) to abut against the clamping block (31), the locking nut (322) is in threaded connection with the connecting bolt (321), and the locking nut (322) abuts against the fixing block (14).

6. The device for conveniently positioning the magnetic powder sensitivity test piece according to claim 2, wherein the two ends of the fixed seat (11) are both provided with adjusting holes (111), and the adjusting holes (111) are formed along the length direction of the fixed seat (11); a limiting groove (112) is formed in the side wall of the adjusting hole (111), and a sliding block (41) is connected in the limiting groove (112) in a sliding manner; the fixed block (14) is provided with a sliding hole (141) along the length direction; one end of the fixed screw rod (12) is connected with the sliding block (41), and one end, far away from the sliding block (41), of the fixed screw rod (12) slides in the sliding hole (141).

7. The device convenient to location magnetic powder sensitivity test piece of claim 6, characterized in that, be provided with gasket (42) on fixed block (14), gasket (42) diameter is greater than the width of sliding hole (141), fixing screw (12) pass through gasket (42), gasket (42) with fixed block (14) keep away from one side of fixing base (11) conflict, fixation nut (13) with gasket (42) conflict.

8. The device for conveniently positioning the magnetic powder sensitivity test piece according to claim 2, wherein two rotating blocks (43) convenient to rotate are arranged on the fixing nut (13), and the two rotating blocks (43) are uniformly arranged at one end of the fixing nut (13) far away from the fixing block (14).