CN210462307U

CN210462307U - Cantilever operation box for controlling magnetic particle flaw detector

Info

Publication number: CN210462307U
Application number: CN201921236841.7U
Authority: CN
Inventors: 夏曲; 夏冰心; 张长友; 唐崇邦
Original assignee: Jiehang Equipment Manufacturing Co ltd
Current assignee: Jiehang Equipment Manufacturing Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-05
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a cantilever operation box for magnetic particle flaw detector control, including the fixed column, the fixed column middle part is rotated and is connected with the main shaft, stopper has all been welded to main shaft top and bottom, has welded the cantilever bar outside the stopper that is located the main shaft bottom the spout inside sliding connection has I-shaped slider, the installation pole is installed at the connecting block top, the carousel is installed at the installation pole top, the spacing ring has been welded around to carousel bottom end edge, install the operation box body above the carousel, the utility model is scientific and reasonable, and is safe and convenient to use, installs the cantilever bar, through the main shaft rotating in the fixed column, the I-shaped slider slides in the spout, the carousel rotates at the installation pole top, has effectively realized quick turn to and the position change of operation box, and convenient to many people user exchanges fast, makes a plurality of people can operate simultaneously, the use convenience of the magnetic particle flaw detector operation box is improved.

Description

Cantilever operation box for controlling magnetic particle flaw detector

Technical Field

The utility model relates to a magnetic particle flaw detector technical field specifically is a cantilever control box that is used for magnetic particle flaw detector to control.

Background

The magnetic particle flaw detector is a machine which utilizes ferromagnetic materials to be magnetized, causes the magnetic force lines on the surface of a workpiece and near the surface to generate a magnetic leakage field due to the fact that discontinuity exists, adsorbs magnetic powder applied on the surface of the workpiece, and forms visible magnetic marks under proper illumination, thereby displaying discontinuous positions, shapes and sizes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cantilever control box for magnetic particle flaw detector is controlled can effectively solve and propose among the above-mentioned background art that the control box is installed on magnetic particle flaw detector's quick-witted case top usually, and then causes the control box to be difficult to carry out turning to of position when using, when many people operate, is difficult to quick carry out the interactive operation, is not convenient for many people use the problem of control box simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the cantilever operation box for controlling the magnetic particle flaw detector comprises a fixed column, wherein the middle part of the fixed column is rotatably connected with a main shaft, the top end and the bottom end of the main shaft are respectively welded with a limiting block, a cantilever rod is welded on the outer side of the limiting block positioned at the bottom end of the main shaft, a sliding groove is formed in the middle of the top end of the cantilever rod in a penetrating mode, an I-shaped sliding block is connected inside the sliding groove in a sliding mode, a connecting block is welded at the top end of the I;

the rotary table is installed on the top end of the installation rod, a limiting ring is welded on the bottom end of the rotary table in a surrounding mode, an installation notch is formed in the position, corresponding to the end portion of the installation rod, of the bottom end of the limiting ring, and the operation box body is installed above the rotary table.

Preferably, the mounting rod is Y-shaped, the length of each side of the mounting rod is equal, each end of the mounting rod is attached to the inner side surface of the limiting ring, and the width of each side of the mounting rod is matched with the width of the mounting notch.

Preferably, a fixed plate is welded at the position, corresponding to one end of the sliding chute, of the top end of the cantilever rod, and screw holes are formed in the top of the fixed plate and the middle of the I-shaped sliding block in a penetrating mode.

Preferably, the connecting block middle part corresponds fixed plate top screw position department and runs through and has seted up spacing through-hole, spacing through-hole middle part sliding connection has the locking post, a locking post tip has seted up the fit thread, be connected through fit thread and fixed plate top screw thread meshing between locking post and the fixed plate, the fixed capital bottom corresponds locking post position department and is spliced and has had the rubber packing.

Preferably, a sliding groove opening is formed in the side surface of the cantilever rod corresponding to the position of the screw hole in the middle of the I-shaped sliding block, and a bolt is connected to the inside of the screw hole in the middle of the I-shaped sliding block in a threaded engagement mode.

Preferably, the top of the turntable is provided with an angle adjusting assembly, and the angle adjusting assembly comprises a fixing frame, an installation shaft, a first installation plate, an adjusting plate, a T-shaped strip, a convex sliding block, an internal threaded pipe, a boosting rod and a stud;

fixing frames are symmetrically welded at the top end of the rotary table, an installation shaft is rotatably connected between the two fixing frames, a first installation plate is welded on the outer side surface of the installation shaft, and an adjusting plate is hinged to one side of the first installation plate through a hinge;

the welding of regulating plate bottom middle part has T type strip, T type strip tip sliding connection has protruding type slider, protruding type slider bottom is rotated through the pivot and is connected with the internal thread pipe, the equal angle welding in internal thread pipe middle part has helping hand pole, the internal thread intraduct is connected with the double-screw bolt through threaded engagement.

Preferably, the bottom end of the stud is connected with the top end of the rotary table in a welded mode, a convex groove is formed in the middle of the convex sliding block in a penetrating mode, the inner edge of the convex groove is matched with the outer edge of the T-shaped strip, and the operation box body is fixedly installed on the top end of the first installation plate through bolts.

Preferably, the top of the rotary table is symmetrically welded with a fixed shaft, the bottom of the fixed shaft is rotatably connected with a carrying plate, and limit rubber strips are embedded into the top of the carrying plate at equal intervals and are bonded.

Preferably, the back end of the operation box body is provided with a wire length adjusting assembly, and the wire length adjusting assembly comprises a second mounting plate, a limiting column, a sliding ring, an adjusting spring, a connecting rod, a mounting frame and a sleeve roller;

a second mounting plate is welded at the bottom of the back end of the operation box body, limiting columns are symmetrically welded at the top ends of the second mounting plate, sliding rings are connected to the tops of the limiting columns in a sliding mode, a connecting rod is welded between the two sliding rings, and adjusting springs are welded at the bottom ends of the sliding rings;

the surface mounting of second mounting panel one side has the mounting bracket, the mounting bracket middle part is rotated and is connected with the mantle roller.

Preferably, the top end of the adjusting spring is connected with the bottom end of the sliding ring in a welding mode, and the bottom end of the adjusting spring is connected with the top end of the second mounting plate in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is scientific and reasonable, convenience safe in utilization:

1. the cantilever rod is installed, the main shaft rotates in the fixed column, the I-shaped sliding block slides in the sliding groove, the rotary table rotates on the top end of the installation rod, the quick steering and position change of the operation box are effectively achieved, a plurality of users can conveniently and quickly communicate, a plurality of people can operate simultaneously, and the use convenience of the magnetic particle flaw detector operation box is improved.

2. The bolt and the locking column are arranged, after the cantilever rod swings and the I-shaped sliding block slides, the bolt is matched with the screw hole and the locking column through the matching of the screw thread and the screw hole, the fixing of the installation rod is effectively realized, the operation box can keep higher stability when in use, and the random shaking condition can not occur.

3. Through the rotation of internal thread pipe, under the screw-thread fit of double-screw bolt and internal thread pipe, can effectively with regulating plate jack-up, and then drive first mounting panel slope through the regulating plate for the operation box slope, the more convenient to use person operates, and can place external test or adjusting device on the regulating plate top, be convenient for to the inside electronic components' of operation box detection and debugging.

4. The object carrying plate and the limiting rubber strip are arranged, a user can store articles on the object carrying plate, the position is limited through the limiting rubber strip, the articles are prevented from shaking randomly, the object carrying plate is connected with the fixed shaft in a rotating mode, the object carrying plate can be retracted above the rotating shaft, and the situation that the object carrying plate stretches out to cause interference is avoided.

5. The wire length adjusting assembly is arranged, the connecting rod is crossed from the upper portion through the connecting line, and the wire length adjusting assembly is drawn out from the lower portion of the sleeve roller, so that the whole cantilever can accommodate a circuit through an adjusting spring in the using process, and the adjusting spring is compressed when the cantilever is required to be used, and the circuit is guaranteed against being wound or not long enough.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the mounting structure of the i-shaped slider according to the present invention;

FIG. 4 is a schematic view of the mounting structure of the mounting rod of the present invention;

fig. 5 is a schematic structural view of the angle adjusting assembly of the present invention;

fig. 6 is a schematic structural view of the wire length adjusting assembly of the present invention;

fig. 7 is a schematic structural view of the carrier plate of the present invention;

reference numbers in the figures: 1. fixing a column; 2. a main shaft; 3. a limiting block; 4. a cantilever bar; 5. a chute; 6. an I-shaped slide block; 7. connecting blocks; 8. mounting a rod; 9. a turntable; 10. installing a notch; 11. operating the box body; 12. a sliding slot opening; 13. a screw hole; 14. a bolt; 15. a limiting through hole; 16. a locking post; 17. fitting threads; 18. a fixing plate; 19. a rubber gasket;

20. an angle adjustment assembly; 2001. a fixed mount; 2002. installing a shaft; 2003. a first mounting plate; 2004. an adjusting plate; 2005. t-shaped strips; 2006. a convex slider; 2007. an internally threaded tube; 2008. a booster lever; 2009. a stud;

21. a fixed shaft; 22. a loading plate; 23. a limiting rubber strip;

24. a wire length adjustment assembly; 2401. a second mounting plate; 2402. a limiting column; 2403. a slip ring; 2404. adjusting the spring; 2405. a connecting rod; 2406. a mounting frame; 2407. sleeving a roller;

25. a limit ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-7, the utility model provides a technical scheme, a cantilever control box for magnetic particle flaw detector controls, including fixed column 1, the welding of 1 one end of fixed column is at the terminal surface top before magnetic particle flaw detector's quick-witted case, convenient to use person operates, 1 middle part of fixed column rotates and is connected with main shaft 2, stopper 3 has all been welded on 2 tops of main shaft and bottom, 3 outside welding of stopper that are located 2 bottoms of main shaft have

cantilever bar

4, 4 top middle parts of cantilever bar run through and have seted up

spout

5, 5 inside sliding connection of spout have i-shaped

slider

6, 6 top welding of i-shaped slider have connecting block 7, installation pole 8 is installed on 7 tops of connecting block, carousel 9 is installed on 8 tops of installation pole, 9 bottom limit portion of carousel encircle the welding and have been seted up installing notch 10, carousel 9 top installs operation box 11 in the top of 25 bottom.

The shape of the installation rod 8 is Y-shaped, the length of each side of the installation rod 8 is equal, the end parts of the installation rod 8 are attached to the inner side surface of the limit ring 25, the width of each side of the installation rod 8 is matched with the width of the installation notch 10, each side of the installation rod 8 is clamped into the limit ring 25, the rotation of the rotary table 9 and the stability in the rotation process are effectively guaranteed, and the installation rod 8 can be taken out through the installation notch 10.

The top end of the cantilever rod 4 is welded with a fixing plate 18 at the position corresponding to one end of the sliding chute 5, and the top of the fixing plate 18 and the middle of the I-shaped sliding block 6 are both provided with a screw hole 13 in a penetrating way.

The middle part of the connecting block 7 is corresponding to the position of the screw hole 13 at the top of the fixing plate 18 and is penetrated and provided with a limiting through hole 15, the middle part of the limiting through hole 15 is slidably connected with a locking column 16, one end part of the locking column 16 is provided with an engagement thread 17, the locking column 16 is connected with the fixing plate 18 through the engagement thread 17 and the screw hole 13 at the top of the fixing plate 18 in a threaded engagement manner, the bottom of the fixing column 1 is connected with a rubber gasket 19 corresponding to the position of the locking column 16, the rubber gasket 19 is extruded through the end part of the locking column 16, the screw hole 13 at the top of the fixing plate 18 is matched with the engagement thread 17, the stability.

The side surface of the cantilever rod 4 is provided with a sliding notch 12 corresponding to the position of a screw hole 13 in the middle of the I-shaped sliding block 6, the screw hole 13 in the middle of the I-shaped sliding block 6 is internally connected with a bolt 14 through threaded engagement, and the bolt 14 penetrates through the screw hole 13 in the middle of the I-shaped sliding block 6 and extrudes with the inner wall of the sliding groove 5, so that the stability of the I-shaped sliding block 6 is ensured.

An angle adjusting assembly 20 is mounted at the top of the rotary table 9, and the angle adjusting assembly 20 comprises a fixed frame 2001, a mounting shaft 2002, a first mounting plate 2003, an adjusting plate 2004, a T-shaped strip 2005, a convex sliding block 2006, an internal threaded pipe 2007, a boosting rod 2008 and a stud 2009;

fixing frames 2001 are symmetrically welded at the top end of the rotary table 9, an installation shaft 2002 is rotatably connected between the two fixing frames 2001, a first installation plate 2003 is welded on the outer side surface of the installation shaft 2002, an adjusting plate 2004 is hinged to one side of the first installation plate 2003, a T-shaped strip 2005 is welded in the middle of the bottom end of the adjusting plate 2004, a convex sliding block 2006 is slidably connected to the end portion of the T-shaped strip 2005, an internal thread tube 2007 is rotatably connected to the bottom end of the convex sliding block 2006 through a rotating shaft, a boosting rod 2008 is welded in the middle of the internal thread tube 2007 at an.

A convex groove is formed in the middle of the convex sliding block 2006 in a penetrating mode, the inner edge of the convex groove is matched with the outer edge of the T-shaped strip 2005, the operation box body 11 is fixedly installed at the top end of the first installation plate 2003 through screws, the convex sliding block 2006 can be sleeved on the T-shaped strip 2005 to slide, the situation that the convex sliding block 2006 is loose when sliding is avoided, meanwhile, the bottom end of the stud 2009 is connected with the top end of the rotary table 9 in a welding mode, it is guaranteed that the stud 2009 is not driven to rotate when the internal thread tube 2007 rotates, and the purpose that the internal thread.

The top end of the rotary table 9 is symmetrically welded with a fixed shaft 21, the bottom of the fixed shaft 21 is rotatably connected with an object carrying plate 22, and the top of the object carrying plate 22 is embedded with limiting rubber strips 23 in an equidistance and glued mode.

The back end of the operation box body 11 is provided with a wire length adjusting assembly 24, and the wire length adjusting assembly 24 comprises a second mounting plate 2401, a limiting column 2402, a sliding ring 2403, an adjusting spring 2404, a connecting rod 2405, a mounting frame 2406 and a sleeve roller 2407;

the bottom of the back end of the operation box body 11 is welded with a second mounting plate 2401, the top of the second mounting plate 2401 is symmetrically welded with a limit column 2402, the top of the limit column 2402 is slidably connected with a sliding ring 2403, a connecting rod 2405 is welded between the two sliding rings 2403, the bottom of the sliding ring 2403 is welded with an adjusting spring 2404, the surface of one side of the second mounting plate 2401 is provided with an installation frame 2406, and the middle of the installation frame 2406 is rotatably connected with a sleeve roller 2407.

The top end of the adjusting spring 2404 is connected with the bottom end of the sliding ring 2403 in a welded mode, and the bottom end of the adjusting spring 2404 is connected with the top end of the second mounting plate 2401 in a welded mode, so that the adjusting spring 2404 can effectively lift the sliding ring 2403, the connecting rod 2405 between the two sliding rings 2403 can effectively jack up a circuit, and the circuit can be conveniently stored.

The utility model discloses a theory of operation and use flow: when the cantilever operation box for magnetic particle flaw detector control is used, the connecting wire of the operation box body 11 passes over the connecting rod 2405 and is drawn out from the lower part of the sleeve roller 2407, then the connecting wire is inserted into the corresponding interface of the magnetic particle flaw detector, then the angle of the first mounting plate 2003 needs to be adjusted, so that the operation box body 11 has a certain inclination angle, the operation is convenient for a user to operate, when the angle is adjusted, the internal thread tube 2007 is rotated by pushing the boosting rod 2008, because the top end of the internal thread tube 2007 is rotatably connected with the convex slider 2006 through the bearing, the stud 2009 is welded with the rotary disc 9, when the internal thread tube 2007 rotates, the internal thread tube 2007 is effectively moved upwards and pushes the convex slider 2006 through the thread action of the stud 2009, when the convex slider 2006 moves upwards, and because the convex slider 2006 is slidably connected with the T-shaped strip 2005, the adjusting plate 2004 is hinged with the first mounting plate 2003, the first mounting plate 2003 is connected with the mounting shaft 2002 and can swing, so that the convex sliding block 2006 pushes the adjusting plate 2004 to move upwards, the adjusting plate 2004 moves towards the first mounting plate 2003 under the limiting effect of the convex sliding block 2006 through the T-shaped strip 2005, the first mounting plate 2003 swings with the mounting shaft 2002 as the center, the first mounting plate 2003 is in a certain inclination angle, the operation box body 11 mounted at the top end of the first mounting plate 2003 can be watched and used by a user from the front side, the user can watch data more accurately, data reading errors caused by inconvenience in viewing the dial directly are reduced, and the user can operate the control panel mounted on the outer surface of the operation box body 11 more accurately;

when a plurality of people use the operation box, the main shaft 2 is connected to the middle part of the fixed column 1 in a rotating way, the cantilever rod 4 is arranged on the limiting block 3, the cantilever rod 4 is pushed, the cantilever rod 4 swings by taking the main shaft 2 as the center and is clamped into the limiting ring 25 through the mounting rod 8, the rotary table 9 can be rotated, after the cantilever rod 4 swings, the direction of the operation box body 11 is adjusted by rotating the rotary table 9, the direction of the control panel of the operation box body 11 faces to a user conveniently, the user can use the operation box, after the swing adjustment of the cantilever rod 4 is finished, the locking column 16 is rotated, the locking thread 17 at the end part of the locking column 16 is matched with the screw hole 13 in the middle part of the fixed plate 18, the locking column 16 moves towards the fixed column 1 and extrudes the rubber gasket 19, the rubber gasket 19 is sunken, the swinging of the fixed plate 18 is limited by the, thereby synchronously limiting the swing of the cantilever rod 4, ensuring that the cantilever rod 4 has higher stability after swinging,

when the position of the operation box body 11 needs to be continuously adjusted, the position of the sliding groove 5 on the cantilever rod 4 can be adjusted through the sliding of the I-shaped sliding block 6 in the sliding groove 5, so that a control panel of the operation box body 11 can be better operated when being used by multiple people, when the I-shaped sliding block 6 is adjusted, the bolt 14 moves in the sliding groove opening 12, after the position is determined, the bolt 14 is matched with the screw hole 13 in the middle of the I-shaped sliding block 6, the end part of the bolt 14 penetrates through the screw hole 13 to abut against the side surface of the sliding groove 5, the I-shaped sliding block 6 is further fixed, and the high stability of the I-;

when the i-shaped slider 6 slides in the chute 5, when the i-shaped slider 6 slides to the end of the chute 5 far away from the fixed column 1, the line presses the connecting rod 2405 downwards, the adjusting spring 2404 contracts to make the length of the line passing through the connecting rod 2405 and the sleeve roller 2407 shortest, when the i-shaped slider 6 moves towards the fixed column 1 along the chute 5, the adjusting spring 2404 restores the original stress to push the sliding ring 2403 upwards, the sliding ring 2403 moves upwards along the limiting column 2402 and drives the connecting rod 2405 to move upwards, and then the line is driven by the connecting rod 2405 to be retracted between the connecting rod 2405 and the sleeve roller 2407, so that the take-up operation is continuously performed when the i-shaped slider 6 moves towards the fixed column 1 along the chute 5, the line cannot be always tensioned, the situation of crossing and disorder with other lines cannot occur, and meanwhile, the sleeve roller 2407 is rotatably installed in the middle of the mounting frame 2406, place maintenance part and user article on carrying thing board 22 top, carry on spacingly through spacing adhesive tape 23, avoid the chaotic condition that drops when putting or putting of article to fixed axle 21 welds on carousel 9 top, carries thing board 22 and rotates through fixed axle 21 and connect, makes after the use, can rotate to carry thing board 22 and withdraw carousel 9 below, can not disturb the normal use of carousel 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cantilever operation panel for magnetic particle flaw detector is controlled, includes fixed column (1), its characterized in that: the middle of the fixed column (1) is rotatably connected with a main shaft (2), the top end and the bottom end of the main shaft (2) are welded with limit blocks (3), a cantilever rod (4) is welded on the outer side of the limit block (3) at the bottom end of the main shaft (2), the middle of the top end of the cantilever rod (4) is provided with a sliding groove (5) in a penetrating mode, an I-shaped sliding block (6) is connected inside the sliding groove (5) in a sliding mode, a connecting block (7) is welded at the top end of the I-shaped sliding block (6), and an installation rod;

carousel (9) are installed on installation pole (8) top, carousel (9) bottom limit portion encircles the welding and has spacing ring (25), mounting notch (10) have been seted up to spacing ring (25) bottom corresponding installation pole (8) tip position department, operation box (11) are installed to carousel (9) top.

2. The cantilever operation box for magnetic particle flaw detector control of claim 1, characterized in that: the mounting rod (8) is Y-shaped, the side lengths of the mounting rod (8) are equal, the end portions of the mounting rod (8) are attached to the inner side surface of the limiting ring (25), and the width of each side of the mounting rod (8) is matched with the width of the mounting notch (10).

3. The cantilever operation box for magnetic particle flaw detector control of claim 1, characterized in that: a fixed plate (18) is welded at the position, corresponding to one end of the sliding groove (5), of the top end of the cantilever rod (4), and screw holes (13) are formed in the top of the fixed plate (18) and the middle of the I-shaped sliding block (6) in a penetrating mode.

4. The cantilever operation box for magnetic particle flaw detector control of claim 3, characterized in that: the connecting block (7) middle part corresponds fixed plate (18) top screw hole (13) position department and runs through and has seted up spacing through-hole (15), sliding connection has locking post (16) in spacing through-hole (15) middle part, locking post (16) one end has been seted up and has been agreed with screw thread (17), be connected through agreeing with screw thread (17) and fixed plate (18) top screw hole (13) threaded engagement between locking post (16) and fixed plate (18), fixed column (1) bottom corresponds locking post (16) position department and is glued and has rubber gasket (19).

5. The cantilever operation box for magnetic particle flaw detector control of claim 3, characterized in that: the side surface of the cantilever rod (4) is provided with a sliding groove opening (12) corresponding to the position of a screw hole (13) in the middle of the I-shaped sliding block (6), and the inside of the screw hole (13) in the middle of the I-shaped sliding block (6) is connected with a bolt (14) through threaded engagement.

6. The cantilever operation box for magnetic particle flaw detector control of claim 1, characterized in that: an angle adjusting assembly (20) is mounted at the top of the rotary table (9), and the angle adjusting assembly (20) comprises a fixed frame (2001), a mounting shaft (2002), a first mounting plate (2003), an adjusting plate (2004), a T-shaped strip (2005), a convex sliding block (2006), an internal threaded pipe (2007), a power-assisted rod (2008) and a stud (2009);

fixing frames (2001) are symmetrically welded at the top end of the rotary table (9), a mounting shaft (2002) is rotatably connected between the two fixing frames (2001), a first mounting plate (2003) is welded on the outer side surface of the mounting shaft (2002), and a regulating plate (2004) is hinged to one side of the first mounting plate (2003);

t-shaped strips (2005) are welded in the middle of the bottom end of the adjusting plate (2004), the end portions of the T-shaped strips (2005) are connected with convex sliding blocks (2006) in a sliding mode, the bottom ends of the convex sliding blocks (2006) are connected with an internal threaded pipe (2007) in a rotating mode through rotating shafts, power-assisted rods (2008) are welded in the middle of the internal threaded pipe (2007) at equal angles, and studs (2009) are connected inside the internal threaded pipe (2007) through threaded engagement.

7. The cantilever operation box for magnetic particle flaw detector control of claim 6, characterized in that: the bottom end of the stud (2009) is connected with the top end of the rotary table (9) in a welding mode, a convex groove is formed in the middle of the convex sliding block (2006) in a penetrating mode, the inner edge of the convex groove is matched with the outer edge of the T-shaped strip (2005), and the operation box body (11) is fixedly installed at the top end of the first installation plate (2003) through bolts.

8. The cantilever operation box for magnetic particle flaw detector control of claim 1, characterized in that: the rotary table is characterized in that a fixed shaft (21) is symmetrically welded at the top end of the rotary table (9), an object carrying plate (22) is rotatably connected to the bottom of the fixed shaft (21), and limit rubber strips (23) are embedded into the tops of the object carrying plate (22) at equal intervals in an adhesive mode.

9. The cantilever operation box for magnetic particle flaw detector control of claim 1, characterized in that: a wire length adjusting assembly (24) is installed at the back end of the operation box body (11), and the wire length adjusting assembly (24) comprises a second installing plate (2401), a limiting column (2402), a sliding ring (2403), an adjusting spring (2404), a connecting rod (2405), an installing frame (2406) and a sleeve roller (2407);

a second mounting plate (2401) is welded at the bottom of the back end of the operation box body (11), limiting columns (2402) are symmetrically welded at the top ends of the second mounting plate (2401), sliding rings (2403) are connected to the tops of the limiting columns (2402) in a sliding mode, a connecting rod (2405) is welded between the two sliding rings (2403), and adjusting springs (2404) are welded at the bottom ends of the sliding rings (2403);

and an installation frame (2406) is installed on the surface of one side of the second installation plate (2401), and the middle part of the installation frame (2406) is rotatably connected with a sleeve roller (2407).

10. The cantilever operation box for magnetic particle flaw detector control of claim 9, characterized in that: the top end of the adjusting spring (2404) is connected with the bottom end of the sliding ring (2403) in a welding mode, and the bottom end of the adjusting spring (2404) is connected with the top end of the second mounting plate (2401) in a welding mode.