CN221446220U - EMC near field electromagnetic field detection device - Google Patents

Abstract

The utility model relates to the technical field of electromagnetic field measurement and discloses an EMC near-field electromagnetic field detection device, which comprises a bottom plate, a four-axis mechanical arm and a near-field probe, wherein the four-axis mechanical arm positioned on the top surface of the bottom plate is fixedly connected with the bottom plate, the near-field probe positioned on the bottom surface of the four-axis mechanical arm is detachably connected with the four-axis mechanical arm, the top surface of the bottom plate is provided with a buffer clamping device, the buffer clamping device comprises a buffer plate, a workbench, a plurality of groups of first clamping plates and a plurality of groups of second clamping plates, the buffer plate positioned on the top surface of the bottom plate is fixedly connected with the bottom plate, a workbench positioned on the top surface of the buffer plate is movably connected with the buffer plate, the first clamping plates are mutually symmetrically arranged, the second clamping plates positioned on the top surface of the workbench are movably connected with the workbench, the two second clamping plates are mutually symmetrically arranged, the first clamping plates and the second clamping plates clamp fixed objects, and the first springs can move and shrink towards the cavity of a sleeve, the detected object is prevented from being damaged, and the cost of an enterprise is reduced.

Description

EMC near field electromagnetic field detection device

Technical Field

The utility model belongs to the technical field of electromagnetic field measurement, and particularly relates to an EMC near-field electromagnetic field detection device.

Background

The prior art discloses an EMC near-field electromagnetic field detection device (CN 202021806740.1), which comprises a near-field probe, wherein the near-field probe is fixedly arranged on a four-axis mechanical arm, the four-axis mechanical arm is fixedly arranged on a base, a workpiece to be detected is fixedly arranged on the base through a positioning clamp, the near-field probe is electrically connected to a control device, and the control device is respectively and electrically connected to the four-axis mechanical arm and a spectrum analyzer;

In the actual use process, the workpiece to be detected is fixedly arranged on the base through the positioning clamp, so that the workpiece to be detected is hard connected with the base, and if the four-axis mechanical arm drives the near-field probe to move towards the surface of the workpiece to be detected, an operator cannot well control the distance between the near-field probe and the workpiece to be detected, and the near-field probe possibly damages the workpiece to be detected, so that the cost expenditure of enterprises is increased.

The present utility model has been made in view of this.

Disclosure of utility model

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

The utility model provides an EMC near field electromagnetic field detection device, includes bottom plate, four-axis arm and near field probe, is located the four-axis arm and bottom plate fixed connection of bottom plate top surface, is located the near field probe and the four-axis arm dismantles of four-axis arm bottom surface and is connected, and the top surface of bottom plate is provided with buffering clamping device, buffering clamping device contains buffer board, workstation, the first splint of multiunit and multiunit second splint, and the buffer board and the bottom plate fixed connection that are located the bottom plate top surface are located the workstation and buffer board swing joint of buffer board top surface, the first splint and the workstation swing joint of being located the workstation top surface, and two first splint mutual symmetry set up, and the object is fixed in the second splint centre gripping of first splint and second splint.

As a preferred embodiment of the utility model, the buffering clamping device further comprises a plurality of groups of sleeves and a plurality of groups of first springs, wherein the sleeves positioned on the top surface of the buffering plate are fixedly connected with the bottom plate, the sleeves are provided with hole grooves which are matched with the first springs, the first springs are embedded into the hole grooves and are movably connected with the sleeves, and one ends of the first springs are fixedly connected with the buffering plate.

As a preferred embodiment of the utility model, the buffering clamping device further comprises a plurality of groups of sliding rods and a plurality of groups of connecting plates, wherein the sliding rods positioned on the bottom surface of the workbench are fixedly connected with the workbench, the sliding rods penetrate through the first springs and are elastically connected with the buffering plates, sliding grooves matched with the connecting plates are formed in the surface of the workbench, and the connecting plates are embedded into the sliding grooves and are in sliding connection with the workbench.

As a preferred implementation mode of the utility model, a plurality of groups of first clamping plates are fixedly connected with one group of connecting plates, a plurality of groups of second clamping plates are fixedly connected with the other group of connecting plates, and a plurality of groups of universal wheels are fixedly connected with the bottom surface of the bottom plate.

As a preferred embodiment of the utility model, the buffer clamping device further comprises a plurality of groups of first guide rods, a plurality of groups of second guide rods and a connecting and fixing box, the diameters of the first guide rods and the second guide rods are the same, through holes with the same diameters as those of the first guide rods are formed in the wall surface of the connecting plate, the first guide rods penetrate through the through holes and are connected with the connecting plate in a sliding mode, the second guide rods penetrate through the other through holes and are connected with the connecting plate in a sliding mode, the connecting and fixing box located on the bottom surface of the workbench is fixedly connected with the workbench, the first guide rods are symmetrically arranged relative to the connecting and fixing box, one ends of the first guide rods are fixedly connected with the connecting and fixing box, the second guide rods are symmetrically arranged relative to the connecting and fixing box, and one ends of the second guide rods are fixedly connected with the connecting and fixing box.

As a preferred embodiment of the utility model, the buffer clamping device further comprises a plurality of groups of first tension springs and a plurality of groups of second tension springs, wherein the first tension springs are positioned between one group of connecting plates and the connecting and fixing box, the first guide rod penetrates through the first tension springs, one end of each first tension spring is fixedly connected with one group of connecting plates, the other end of each first tension spring is fixedly connected with the wall surface of the connecting and fixing box, one end of each second tension spring is fixedly connected with the other group of connecting plates, the other end of each second tension spring is fixedly connected with the other wall surface of the connecting and fixing box, and the second guide rod penetrates through the second tension springs.

As a preferred embodiment of the utility model, the buffering clamping device further comprises a plurality of groups of fixing rods, a plurality of groups of rotating plates and a plurality of groups of pressing rods, wherein the fixing rods positioned on the top surface of the second clamping plate are fixedly connected with the second clamping plate, the rotating plates positioned on the top surface of the fixing rods are rotatably connected with the fixing rods, and the pressing rods positioned on one side of the rotating plates are movably connected with the rotating plates.

As a preferred embodiment of the present utility model, the buffering clamping device further comprises a plurality of groups of second springs and a plurality of groups of nuts, the pressing rod passes through the second springs and is slidably connected with the second springs, the pressing rod passes through the rotating plate and is slidably connected with the rotating plate, the pressing rod passes through the rotating plate and is in threaded connection with the nuts, and the nuts are movably connected with the rotating plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. The first clamping plate and the second clamping plate are arranged symmetrically to each other to detect an object to be detected, the four-axis mechanical arm and the near-field probe are electrified at the moment, the four-axis mechanical arm starts to rotate to drive the near-field probe to move, surfaces of different positions of the object are detected, the object is clamped and fixed through the first clamping plate and the second clamping plate, displacement of the object in detection is avoided, detection effects are affected, the buffer plate is elastically connected with the workbench through the first spring arranged between the buffer plate and the workbench, when the near-field probe detects the object, the four-axis mechanical arm drives the near-field probe to move, if the near-field probe moves towards the surface of the object to be detected, the object can be damaged, the buffer plate and the workbench are elastically connected through the buffer plate, when the near-field probe presses the surface of the object, the first spring can be pushed towards the wall surface of the buffer plate by the workbench, meanwhile, the first spring can give a reverse thrust to the workbench, if the pressing force is larger than the elastic coefficient of the first spring, the first spring can move towards the cavity of the sleeve to shrink, the detected object is avoided, and the cost of the enterprise is reduced.

2. The first splint and the second splint are respectively pulled towards the direction that is close to each other with first extension spring and second extension spring through setting up first splint and second splint, carry out the centre gripping with the article that needs to detect and fix, make two first splint and two second splint adapt to the object of different specification sizes simultaneously, improve the application range of machine, set up four universal wheels simultaneously on the ground of bottom plate, the universal wheel is located four corners of bottom plate respectively, when needs change the testing position, operating personnel can promote the universal wheel, adjust the position of machine, detect the object, the operating personnel of being convenient for change the place of use of machine.

3. Through setting up rotation board and dead lever and rotating to be connected, press the pole and rotate board elastic connection, rotate the rotation board and shrink simultaneously and press the pole, operating personnel places the article of being detected at two first splint and two second splint and press from both sides tightly fixedly with it, then rotatory rotation board will press the bottom surface of pole and the top surface of article hug closely, the second spring can give the pole of pressing a power this moment, will press the bottom surface of pole and hug closely with the detected object, fix the object, avoid rocking of production when detecting, lead to the detected object, lead to the detected data to produce the deviation.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of a detection device of the present utility model;

FIG. 2 is a schematic front view of the detecting device of the present utility model;

FIG. 3 is a schematic perspective view of a buffer clamping device according to the present utility model;

FIG. 4 is an exploded view of the buffer clamping device of the present utility model;

fig. 5 is a schematic view of a buffer clamping device according to the present utility model.

In the figure: 10. a bottom plate; 11. a universal wheel; 12. a four-axis mechanical arm; 13. a near field probe; 14. a buffer plate; 15. a sleeve; 16. a first spring; 17. a work table; 18. a slide bar; 19. a chute; 20. a connecting plate; 21. a first guide bar; 22. a first tension spring; 23. a second guide bar; 24. a second tension spring; 25. a first clamping plate; 26. a second clamping plate; 27. a fixed rod; 28. a rotating plate; 29. pressing a pressing rod; 30. a second spring; 31. a screw cap; 32. and connecting the fixed box.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

An EMC near-field electromagnetic field detection device, as shown in fig. 1 and 4, including bottom plate 10, four-axis arm 12 and near-field probe 13, four-axis arm 12 and bottom plate 10 fixed connection that is located the bottom surface of bottom plate 10, near-field probe 13 and four-axis arm 12 dismantlement that is located the bottom surface of four-axis arm 12 are connected, the top surface of bottom plate 10 is provided with buffering clamping device, buffering clamping device contains buffer plate 14, workstation 17, multiunit first splint 25 and multiunit second splint 26, buffer plate 14 and bottom plate 10 fixed connection that is located the top surface of bottom plate 10, workstation 17 and buffer plate 14 swing joint that is located the top surface of buffer plate 14, first splint 25 and workstation 17 swing joint that is located the top surface of workstation 17, two first splint 25 mutual symmetry set up, second splint 26 and workstation 17 swing joint that is located the top surface of workstation 17, two second splint 26 mutual symmetry set up, first splint 25 and second splint 26 centre gripping fixed object, buffering clamping device still contains multiunit sleeve 15 and multiunit first spring 16, sleeve 15 and bottom plate 10 fixed connection that is located the top surface of buffer plate 14, sleeve 15 and bottom plate 10 fixed connection, first spring 16 is equipped with first spring 16 and first groove 16 that is connected with the first end of first spring groove 16, the first groove that is connected with the first groove of inserting 16.

Specifically, when in use, an operator places an object to be detected between the two first clamping plates 25 and the two second clamping plates 26, the first clamping plates 25 and the second clamping plates 26 are symmetrically arranged to detect the detected object, the four-axis mechanical arm 12 and the near-field probe 13 are electrified at the moment, the four-axis mechanical arm 12 starts to rotate to drive the near-field probe 13 to move to detect the surfaces of different positions of the object, the first clamping plates 25 and the second clamping plates 26 are arranged to clamp and fix the object, the object displacement during detection is avoided, the detection effect is influenced, the buffer plate 14 is elastically connected with the workbench 17 through the first springs 16 arranged between the buffer plate 14 and the workbench 17, when the near-field probe 13 detects the object, the four-axis mechanical arm 12 drives the near-field probe 13 to move, if the near-field probe 13 moves towards the surface of the detected object, the buffer plate 14 and the workbench 17 are possibly damaged, when the near-field probe 13 is pressed to the surface of the object, the pressed object can push the workbench 17 to press the first springs 16 towards the wall surface of the buffer plate 14, meanwhile, the first springs 16 are reversely pressed to the first springs 16, the first springs 16 are prevented from moving towards the inner side of the workbench 17, and the first springs 16 are greatly contracted, and the cost is prevented from being damaged if the first springs 16 are pushed inwards, and the first springs are greatly contracted towards the workbench 16.

As shown in fig. 1 and 5, the buffering clamping device further comprises a plurality of groups of slide bars 18 and a plurality of groups of connecting plates 20, the slide bars 18 positioned on the bottom surface of the workbench 17 are fixedly connected with the workbench 17, the slide bars 18 penetrate through the first springs 16 and are elastically connected with the buffer plate 14, the surface of the workbench 17 is provided with a slide groove 19 which is matched with the connecting plates 20, the connecting plates 20 are embedded into the slide groove 19 and are slidably connected with the workbench 17, a plurality of groups of first clamping plates 25 are fixedly connected with one group of connecting plates 20, a plurality of groups of second clamping plates 26 are fixedly connected with the other group of connecting plates 20, the bottom surface of the bottom plate 10 is fixedly connected with a plurality of groups of universal wheels 11, the buffering clamping device further comprises a plurality of groups of first guide rods 21, a plurality of groups of second guide rods 23 and a connecting fixing box 32, the diameters of the first guide rods 21 and the second guide rods 23 are the same, the wall surface of the connecting plates 20 is provided with through holes with the diameters identical to those of the first guide rods 21, the first guide rod 21 passes through the through hole and is in sliding connection with the connecting plate 20, the second guide rod 23 passes through the other through hole and is in sliding connection with the connecting plate 20, the connecting fixing box 32 positioned on the bottom surface of the workbench 17 is fixedly connected with the workbench 17, the first guide rod 21 is symmetrically arranged about the connecting fixing box 32, one end of the first guide rod 21 is fixedly connected with the connecting fixing box 32, the second guide rod 23 is symmetrically arranged about the connecting fixing box 32, one end of the second guide rod 23 is fixedly connected with the connecting fixing box 32, the buffer clamping device also comprises a plurality of groups of first tension springs 22 and a plurality of groups of second tension springs 24, the first tension springs 22 are positioned between one group of connecting plates 20 and the connecting fixing box 32, the first guide rod 21 passes through the first tension springs 22, one end of the first tension springs 22 is fixedly connected with one group of connecting plates 20, the other end of the first tension springs 22 is fixedly connected with the wall surface of the connecting fixing box 32, one end of the second tension spring 24 is fixedly connected with the other group of connecting plates 20, the other end of the second tension spring 24 is fixedly connected with the other wall surface of the connecting and fixing box 32, and the second guide rod 23 penetrates through the second tension spring 24.

Specifically, when in use, an operator needs to pull the two first clamping plates 25 and the two second clamping plates 26 which are symmetrically arranged towards the direction away from each other, the distance between the two first clamping plates 25 and the two second clamping plates 26 is increased, then an object to be detected is placed between the two first clamping plates 25 and the two second clamping plates 26, the first clamping plates 25 and the second clamping plates 26 respectively pull the first clamping plates 25 and the second clamping plates 26 towards the direction close to each other through the first tension springs 22 and the second tension springs 24, the object to be detected is clamped and fixed, meanwhile, the two first clamping plates 25 and the two second clamping plates 26 are adapted to objects with different specifications and sizes, the using range of the machine is improved, meanwhile, four universal wheels 11 are arranged on the ground of the bottom plate 10, the universal wheels 11 are respectively positioned at four corners of the bottom plate 10, when the detecting position needs to be replaced, the operator can push the universal wheels 11, adjust the position of the machine, detect the object, and the use place of the machine is convenient for the operator to replace the machine.

As shown in fig. 4 and 5, the buffering and clamping device further comprises a plurality of groups of fixing rods 27, a plurality of groups of rotating plates 28 and a plurality of groups of pressing rods 29, the fixing rods 27 positioned on the top surface of the second clamping plate 26 are fixedly connected with the second clamping plate 26, the rotating plates 28 positioned on the top surface of the fixing rods 27 are rotatably connected with the fixing rods 27, the pressing rods 29 positioned on one side of the rotating plates 28 are movably connected with the rotating plates 28, the buffering and clamping device further comprises a plurality of groups of second springs 30 and a plurality of groups of nuts 31, the pressing rods 29 penetrate through the second springs 30 and are slidably connected with the second springs 30, the pressing rods 29 penetrate through the rotating plates 28 and are slidably connected with the rotating plates 28, the pressing rods 29 penetrate through the rotating plates 28 and are in threaded connection with the nuts 31, and the nuts 31 are movably connected with the rotating plates 28.

Specifically, when using, through setting up rotation board 28 and dead lever 27 rotation connection, press the pole 29 with rotation board 28 elastic connection, rotate rotation board 28 and shrink simultaneously and press the pole 29, operating personnel places the article of being detected at two first splint 25 and two second splint 26 with its clamp fastening, then rotate rotation board 28 and hug closely the bottom surface of pressing the pole 29 with the top surface of article, second spring 30 can give a power to pressing the pole 29 this moment, hug closely the bottom surface of pressing the pole 29 with the detected object, fix the object, avoid rocking that produces when detecting, lead to the detected object, lead to detection data to produce the deviation.

Working principle: the operator places the object to be detected between the two first clamping plates 25 and the two second clamping plates 26, the first clamping plates 25 and the second clamping plates 26 are symmetrically arranged to detect the detected object, the four-axis mechanical arm 12 and the near-field probe 13 are electrified at the moment, the four-axis mechanical arm 12 starts to rotate to drive the near-field probe 13 to move, the surfaces of different positions of the object are detected, the object is clamped and fixed through the first clamping plates 25 and the second clamping plates 26, the displacement of the object during detection is avoided, the detection effect is influenced, the buffer plate 14 is elastically connected with the workbench 17 through the first spring 16 arranged between the buffer plate 14 and the workbench 17, when the near-field probe 13 detects the object, the four-axis mechanical arm 12 drives the near-field probe 13 to move, the buffer plate 14 and the workbench 17 are elastically connected, when the near-field probe 13 is pressed to the surface of the object, the pressed object can push the workbench 17 to press the first spring 16 to move towards the wall surface of the buffer plate 14, meanwhile, the first spring 16 can push the workbench 17 reversely, if the pressing force is larger than the elastic coefficient of the first spring 16, the first spring 16 can move and shrink towards the cavity of the sleeve 15, an operator needs to pull two first clamping plates 25 and two second clamping plates 26 which are symmetrically arranged towards each other to separate away, the distance between the two first clamping plates 25 and the two second clamping plates 26 is increased, then an object to be detected is placed between the two first clamping plates 25 and the two second clamping plates 26, the first clamping plates 25 and the second clamping plates 26 respectively pull the first clamping plates 25 and the second clamping plates 26 towards each other by arranging the first tension spring 22 and the second tension spring 24 to clamp and fix the object to be detected, simultaneously make two first splint 25 and two second splint 26 adapt to the object of different specification sizes, set up four universal wheels 11 simultaneously on the ground of bottom plate 10, universal wheel 11 is located four corners of bottom plate 10 respectively, when needs change the testing position, operating personnel can promote universal wheel 11, adjust the position of machine, through setting up rotation board 28 and dead lever 27 rotation connection, press lever 29 and rotation board 28 elastic connection, rotation board 28 shrink simultaneously press lever 29, operating personnel places the article that is detected at two first splint 25 and two second splint 26 with its clamp fastening, then rotate rotation board 28 and hug closely the bottom surface of pressing lever 29 with the top surface of article, at this moment second spring 30 can give a power to pressing lever 29, hug closely the bottom surface of pressing lever 29 with the detected object, fix the object.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides an EMC near field electromagnetic field detection device, includes bottom plate (10), four-axis arm (12) and near field probe (13), and four-axis arm (12) and bottom plate (10) fixed connection that are located bottom plate (10) top surface are located near field probe (13) and four-axis arm (12) dismantlement connection of four-axis arm (12) bottom surface, its characterized in that, the top surface of bottom plate (10) is provided with buffering clamping device, buffering clamping device contains buffer board (14), workstation (17), multiunit first splint (25) and multiunit second splint (26), and buffer board (14) and bottom plate (10) fixed connection that are located bottom plate (10) top surface are located buffer board (14) top surface are located first splint (25) and workstation (17) swing joint of buffer board (14) top surface, and two first splint (25) mutual symmetry set up, second splint (26) and workstation (17) swing joint that are located workstation (17) top surface are located, two second splint (26) mutual symmetry sets up first splint (25) and second object (26) fixed clamp.

2. The EMC near-field electromagnetic field detection apparatus according to claim 1, wherein the buffering clamping apparatus further comprises a plurality of sets of sleeves (15) and a plurality of sets of first springs (16), the sleeves (15) positioned on the top surface of the buffering plate (14) are fixedly connected with the bottom plate (10), the sleeves (15) are provided with hole grooves adapted to the first springs (16), the first springs (16) are embedded into the hole grooves and are movably connected with the sleeves (15), and one ends of the first springs (16) are fixedly connected with the buffering plate (14).

3. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that the buffering clamping apparatus further comprises a plurality of groups of slide bars (18) and a plurality of groups of connecting plates (20), the slide bars (18) located on the bottom surface of the workbench (17) are fixedly connected with the workbench (17), the slide bars (18) penetrate through the first springs (16) and are elastically connected with the buffering plates (14), sliding grooves (19) adapting to the connecting plates (20) are formed in the surface of the workbench (17), and the connecting plates (20) are embedded into the sliding grooves (19) and are slidably connected with the workbench (17).

4. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that a plurality of groups of the first clamping plates (25) are fixedly connected with one group of the connecting plates (20), a plurality of groups of the second clamping plates (26) are fixedly connected with the other group of the connecting plates (20), and a plurality of groups of universal wheels (11) are fixedly connected to the bottom surface of the bottom plate (10).

5. The EMC near-field electromagnetic field detection apparatus according to claim 1, wherein the buffer clamping apparatus further comprises a plurality of groups of first guide rods (21), a plurality of groups of second guide rods (23) and a connection fixing box (32), the diameters of the first guide rods (21) and the second guide rods (23) are the same, through holes with the same diameters as the first guide rods (21) are formed in the wall surfaces of the connection plates (20), the first guide rods (21) penetrate through the through holes and are in sliding connection with the connection plates (20), the second guide rods (23) penetrate through another through hole and are in sliding connection with the connection plates (20), the connection fixing box (32) located on the bottom surface of the workbench (17) is fixedly connected with the workbench (17), the first guide rods (21) are symmetrically arranged with respect to the connection fixing box (32), one ends of the first guide rods (21) are fixedly connected with the connection fixing box (32), the second guide rods (23) are symmetrically arranged with respect to the connection fixing box (32), and one ends of the second guide rods (23) are fixedly connected with the connection fixing box (32).

6. The EMC near-field electromagnetic field detection apparatus according to claim 1, wherein the buffering clamping apparatus further comprises a plurality of groups of first tension springs (22) and a plurality of groups of second tension springs (24), the first tension springs (22) are located between one group of connecting plates (20) and the connecting fixing box (32), the first guide rod (21) penetrates through the first tension springs (22), one end of the first tension springs (22) is fixedly connected with one group of connecting plates (20), the other end of the first tension springs (22) is fixedly connected with the wall surface of the connecting fixing box (32), one end of the second tension springs (24) is fixedly connected with the other group of connecting plates (20), the other end of the second tension springs (24) is fixedly connected with the other wall surface of the connecting fixing box (32), and the second guide rod (23) penetrates through the second tension springs (24).

7. The EMC near-field electromagnetic field detection apparatus according to claim 1, wherein the buffering clamping apparatus further comprises a plurality of groups of fixing rods (27), a plurality of groups of rotating plates (28) and a plurality of groups of pressing rods (29), the fixing rods (27) located on the top surface of the second clamping plate (26) are fixedly connected with the second clamping plate (26), the rotating plates (28) located on the top surface of the fixing rods (27) are rotatably connected with the fixing rods (27), and the pressing rods (29) located on one side of the rotating plates (28) are movably connected with the rotating plates (28).

8. EMC near-field electromagnetic field detection apparatus according to claim 1, characterized in that the buffer clamping means further comprises a plurality of sets of second springs (30) and a plurality of sets of nuts (31), the pressing rod (29) passes through the second springs (30) and is slidably connected with the second springs (30), the pressing rod (29) passes through the rotating plate (28) and is slidably connected with the rotating plate (28), the pressing rod (29) passes through the rotating plate (28) and is in threaded connection with the nuts (31), and the nuts (31) are movably connected with the rotating plate (28).