CN220472673U - Sensor placement mechanism of sensor detection device - Google Patents

Abstract

The application relates to a sensor detection device's sensor placement machine constructs relates to the technical field that the sensor detected, and it includes the conveying frame and sets up in the conveyer belt of conveying frame, be provided with the mount pad on the conveyer belt, the mount pad just the mount pad is regular structure the bottom surface and the conveyer belt of mount pad are the parallel and level setting, the sensor pass through installation component demountable installation in the mount pad, the mount pad removes along with the rotation of conveyer belt, be provided with the base on the conveying frame, the base is provided with and is used for placing the mount pad to make the sensor on the mount pad be detected place the platform, place the platform both sides and be provided with the locating component that is used for carrying out the location to the mount pad. The sensor has the advantages that the sensor is not easy to deviate on the conveyor belt and the placing table, so that the sensor can perform good detection.

Description

Sensor placement mechanism of sensor detection device

Technical Field

The application relates to the technical field of sensor detection, in particular to a sensor placement mechanism of a sensor detection device.

Background

The sensor is a detecting device, which can sense the information to be measured and convert the sensed information into electric signals or other information output in the required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. Among them, detection of the sensor is an important link in the sensor production line.

In the related art, the detection assembly line of sensor includes the conveyer belt that is used for carrying the sensor and is used for carrying out a plurality of detection modules that detect to each function of sensor, and a plurality of detection modules are located the conveyer path of conveyer belt, and wherein, every detection module includes the base, fixedly sets up in the placing table of base and is used for detecting the detecting element of sensor. When the sensor is required to be detected, the sensor is placed on the belt body of the conveyor belt, after the belt body is detected, the sensor is sequentially conveyed to the placing tables of the detection modules through the rotation of the conveyor belt, the sensor is grabbed by the manipulator in the detection modules to be detected again, and after the detection is finished, the sensor is placed back to the placing tables, and the sensor is output through the output end of the conveyor belt.

However, in the conveying process of the sensor by the conveyor belt, the sensor is in an irregular structure, so that the sensor is offset when the sensor is detected by the conveyor belt and the placement table, and the sensor is not easy to be detected well.

Disclosure of Invention

In order to improve the phenomenon that the existing sensor sometimes causes uneven stress of the sensor due to friction force between the sensor and a conveyor belt, so that the sensor is overturned or displaced, and the sensor is not easy to be sequentially conveyed to the accurate position of each detection module to perform good detection on the sensor, the application provides a sensor placement mechanism of a sensor detection device.

The application provides a sensor detection device's sensor placement machine constructs adopts following technical scheme:

the utility model provides a mechanism is placed to sensor detection device's sensor, includes the conveying frame and sets up in the conveyer belt of conveying frame, be provided with the mount pad on the conveyer belt, the mount pad is regular structure just the bottom surface of mount pad is the parallel and level setting with the conveyer belt, the sensor through installation component demountable installation in the mount pad, the mount pad removes along with the rotation of conveyer belt, be provided with the base on the conveying frame, the base is provided with and is used for placing the mount pad to make the place the platform that the sensor on the mount pad was detected, place the platform both sides and be provided with the locating component that is used for carrying out the location to the mount pad.

Through adopting above-mentioned technical scheme, when needs detect the sensor, install the sensor on the mount pad earlier, the mount pad can be along with the rotation of conveyer belt and remove, because the bottom surface of mount pad is the parallel and level setting with the conveyer belt for the sensor is difficult for producing the skew on the conveyer belt, thereby makes the sensor can carry out good detection, when the mount pad is placing the bench, positioning assembly can carry out accurate location to the mount pad, thereby makes the sensor be difficult for producing the skew and carries out good detection.

Preferably, the installation component is including fixed mounting panel that sets up in sensor one side and the fixed installation piece that sets up in the mounting panel, the installation piece has first installation department and second installation department, first mounting groove and second mounting groove have been seted up to the mount pad, first mounting groove with the second mounting groove is linked together, first installation department peg graft fit in first mounting groove, second installation department peg graft fit in second mounting groove.

Through adopting above-mentioned technical scheme, when needs are installed the sensor on the mount pad, peg graft behind the first mounting groove with the first installation department of installation piece and cooperate in first mounting groove, peg graft behind the second mounting groove with the second installation department of installation piece and cooperate in the second mounting groove to install the sensor in the mount pad.

Preferably, the wedge-shaped groove is formed in the second installation portion, the fixing groove is formed in the inner wall of the second installation groove, the wedge-shaped block matched with the wedge-shaped groove is slidably arranged in the fixing groove, and a plurality of elastic pieces used for enabling the annular ring to stretch are arranged between the wedge-shaped block and the inner wall of the fixing groove.

Through adopting above-mentioned technical scheme, when second installation department and second mounting groove grafting cooperation, the wedge no longer receives the extrusion of second installation department cell wall, and the wedge cooperatees with the wedge groove, and the sensor is fixed in on the mount pad this moment, makes the sensor be difficult for leading to the sensor atress uneven because of the frictional force with the conveyer belt to lead to sensor upset or displacement, the elastic component is used for making the wedge can slide in the fixed slot.

Preferably, the elastic piece comprises a first spring, one end of the first spring is fixedly connected to one side of the wedge block, and the other end of the first spring is fixedly connected to the inner wall of the fixing groove.

Through adopting above-mentioned technical scheme, when pegging graft the cooperation with second installation department in the second mounting groove, the cell wall of second installation department can be to the fixed slot internal extrusion wedge, the wedge slides to the fixed slot under the extrusion force of the cell wall of second installation department, first spring shrink, when second installation department and second mounting groove peg graft the cooperation, the wedge no longer receives the extrusion of second installation department cell wall, the wedge slides out the fixed slot under the thrust of first spring natural extension and cooperatees with the wedge groove, the sensor is fixed in the mount pad this moment, make the difficult skew that produces of sensor.

Preferably, the positioning assembly comprises two clamping blocks and two clamping bolts, wherein the two clamping blocks are respectively positioned on two sides of the mounting seat and are fixedly connected with the placing table, and the two clamping bolts are respectively in threaded connection with the two clamping blocks.

Through adopting above-mentioned technical scheme, when needs are fixed a position the mount pad to when making the sensor be fixed a position to accurate position, rotate two clamping bolt, two clamping bolt rotations can move until the butt in the mount pad towards the mount pad, thereby press from both sides tight location to the mount pad, the upper and lower degree of freedom of restriction mount pad, thereby make the sensor can carry out good detection on placing the bench.

Preferably, one end of the clamping screw, which is far away from the mounting seat, is located outside the screw hole, and one end of the clamping screw, which is located outside the screw hole, is fixedly connected with a hand wheel for conveniently rotating the clamping screw.

Through adopting above-mentioned technical scheme, when need rotate the clamping bolt in order to fix a position the mount pad, rotate the hand wheel can.

Preferably, the mounting seat is provided with a positioning pin for limiting the freedom degree of the mounting seat, and the positioning pin penetrates through the mounting seat, the placing table and the mounting seat to be matched with the placing table in a clamping manner.

Through adopting above-mentioned technical scheme, the locating pin is used for restricting the degree of freedom of mount pad to carry out accurate location to the mount pad.

Preferably, the mounting seat is provided with a groove, the bottom wall of the groove is provided with a positioning column, the mounting plate is provided with a positioning groove which is in plug-in fit with the positioning column, and the positioning column is in plug-in fit with the positioning groove.

By adopting the technical scheme, when the sensor is required to be installed on the installation seat, the positioning column is spliced and matched with the splicing groove.

Preferably, the second installation part is provided with a plurality of inserting grooves, a plurality of inserting grooves are formed in the vertical direction, the groove wall of the second installation groove is fixedly provided with an inserting block used for being in inserting fit with the inserting grooves, and the inserting block is in inserting fit with the inserting grooves.

Through adopting above-mentioned technical scheme, when the sensor is installed in the mount pad to needs, peg graft the cooperation in first mounting groove behind the first mounting groove with the first installation department of installation piece, peg graft the cooperation in second mounting groove behind the second mounting groove with the second installation department of installation piece for a plurality of grafting pieces in the second mounting groove and the grafting groove grafting cooperation of second installation department can.

Preferably, the groove wall of the first mounting groove is provided with a penetrating groove, the first mounting part is provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding manner, a second spring is arranged between the sliding block and the groove wall of the sliding groove, one end of the second spring is fixedly connected with the sliding block, the other end of the second spring is fixedly connected with the groove wall of the sliding groove, one end of the sliding block extends out of the sliding groove and one end surface of the sliding groove is an arc surface.

Through adopting above-mentioned technical scheme, when pegging graft the cooperation with first installation department in first mounting groove, the sliding block of first installation department slides to the inslot that slides owing to receive the extrusion of the cell wall of first mounting groove, and the second spring contracts, when the sliding block of first installation department cooperates with wearing groove joint, the second spring stretches naturally to make sliding block joint cooperate in wearing the groove, fixed sensor from this.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the sensor is required to be detected, the sensor is firstly arranged on the mounting seat, the mounting seat moves along with the rotation of the conveying belt, and the bottom surface of the mounting seat is flush with the conveying belt, so that the sensor is not easy to deviate on the conveying belt, the sensor can be well detected, and when the mounting seat is arranged on the placing table, the positioning assembly can accurately position the mounting seat, so that the sensor is not easy to deviate and well detected;

2. when needs are fixed a position the mount pad, rotate two hand wheels respectively, two hand wheels rotate and drive two clamping bolt and rotate, and two clamping bolt rotate and can remove until the butt in the mount pad towards the mount pad to clamping bolt plays the clamping and positioning effect to the mount pad, thereby presss from both sides tight location to the mount pad, the degree of freedom about restriction mount pad, thereby make the sensor be carried to each detection module's accurate position in proper order in order to carry out good detection to the sensor.

Drawings

FIG. 1 is an overall schematic of the present application;

FIG. 2 is a schematic diagram of a mounting plate and mounting block embodied in the present application;

FIG. 3 is a schematic illustration of a mount embodied in the present application;

FIG. 4 is a cross-sectional view of the sensor mounted to the mount of the present application;

fig. 5 is a cross-sectional view of a sensor mounted to a mount in a second embodiment of the present application.

Reference numerals illustrate: 1. a conveying frame; 2. a conveyor belt; 3. a mounting base; 4. a sensor; 5. a base; 6. a placement table; 7. a mounting plate; 8. a mounting block; 9. a first mounting portion; 10. a second mounting portion; 11. a first mounting groove; 12. a second mounting groove; 13. wedge-shaped grooves; 14. a fixing groove; 15. wedge blocks; 16. a first inclined surface; 17. a second inclined surface; 18. a first spring; 19. clamping a bolt; 20. a clamping block; 21. a hand wheel; 22. a positioning pin; 23. a groove; 24. a positioning groove; 25. positioning columns; 26. penetrating a groove; 27. a slip groove; 28. a sliding block; 29. an arc surface; 30. a second spring; 31. a plug-in groove; 32. and (5) plugging the blocks.

Description of the embodiments

The present application is described in further detail below in conjunction with figures 1-5.

Embodiment one:

referring to fig. 1, a sensor 4 placement mechanism of a sensor 4 detection device includes a conveying frame 1 and a conveying belt 2 fixedly connected to the conveying frame 1, a mounting seat 3 for mounting a sensor 4 to be detected is placed on the conveying belt 2, the mounting seat 3 is rectangular, the bottom surface of the mounting seat 3 is a plane, the sensor 4 is detachably mounted on the mounting seat 3, and the mounting seat 3 moves along with the rotation of the conveying belt 2. The conveying frame 1 is fixedly connected with a base 5, and the base 5 is arranged in a cuboid shape. Base 5 fixedly connected with is used for placing sensor 4 to make sensor 4 detected place the platform 6, place the platform 6 and be the cuboid form setting, mount pad 3 can be carried to place on the platform 6 by conveyer belt 2, in order to detect sensor 4.

Referring to fig. 2, the sensor 4 is provided with a mounting assembly for detachably mounting the sensor 4, specifically, the mounting assembly includes a mounting plate 7 fixedly connected to one side of the sensor 4 and a mounting block 8 fixedly disposed on the mounting plate 7, the mounting plate 7 is provided in an elliptical shape, and the mounting block 8 is fixedly connected to one side of the mounting plate 7 away from the sensor 4. The installation piece 8 includes first installation department 9 and second installation department 10, and first installation department 9 and second installation department 10 are cylindric setting, and first installation department 9 fixed connection is kept away from sensor 4 one side in mounting panel 7, and second installation department 10 fixed connection is kept away from mounting panel 7 one side in first installation department 9, and the center pin of second installation department 10 is in same straight line with the center pin of first installation department 9, and the cross-section radius of second installation department 10 is less than the cross-section radius of first installation department 9.

Referring to fig. 3 and 4, the mounting base 3 is provided with a first mounting groove 11 and a second mounting groove 12 which are used for being in plug-in fit with the first mounting portion 9 and the second mounting portion 10, the first mounting groove 11 and the second mounting groove 12 are all arranged along the vertical direction, the first mounting groove 11 and the second mounting groove 12 are all arranged in a circular shape, the circle centers of the first mounting groove 11 and the second mounting groove 12 are positioned on the same straight line, the section radius of the first mounting groove 11 is smaller than the section radius of the second mounting groove 12, and the first mounting groove 11 is communicated with the second mounting groove 12. The first mounting part 9 is in plug-in fit with the first mounting groove 11, and the second mounting part 10 is in plug-in fit with the second mounting groove 12.

Referring to fig. 4, the second mounting portion 10 is provided with a wedge groove 13, and the wedge groove 13 is provided in a horizontal direction. The inner wall of the second installation groove 12 is provided with a fixed groove 14, the fixed groove 14 is arranged along the horizontal direction, and the fixed groove 14 is communicated with the second installation groove 12. The fixed groove 14 is slidably connected with a wedge block 15 which is matched with the wedge groove 13 in a clamping way, and the groove wall of the wedge groove 13 and the wedge block 15 are respectively provided with a first inclined surface 16 and a second inclined surface 17. A first spring 18 for enabling the wedge block 15 to slide in the wedge groove 13 is fixedly connected between the wedge block 15 and the fixed groove 14, one end of the first spring 18 is fixedly connected to one side, close to the second installation portion 10, of the wedge block 15, and the other end of the first spring 18 is fixedly connected to the groove wall of the fixed groove 14. When the first spring 18 is in a natural stretching state, the wedge block 15 protrudes out of the fixed groove 14, when the wedge block 15 is in clamping fit with the wedge groove 13, a first inclined surface 16 of a groove wall of the wedge groove 13 is abutted against the first inclined surface 16 of the wedge block 15, and a second inclined surface 17 of the groove wall of the wedge groove 13 is abutted against the second inclined surface 17 of the wedge block 15.

Referring to fig. 4, two sides of the placement table 6 are provided with positioning components for clamping and positioning the mounting seat 3 so as to fix the sensors 4 of different models, specifically, the positioning components comprise clamping blocks 20 and clamping bolts 19, the clamping blocks 20 are provided with two clamping blocks 20 which are respectively located at two sides of the mounting seat 3 and are fixedly connected to the placement table 6, the clamping bolts 19 are provided with two clamping bolts 19 which are respectively in threaded connection with the two clamping blocks 20, when the clamping bolts 19 are rotated, the clamping bolts 19 move towards the mounting seat 3, so that the clamping bolts 19 can clamp and position the mounting seat 3, and thereby the upper and lower degrees of freedom of the mounting seat 3 are limited. The end of the clamping bolt 19 away from the mounting seat 3 is located outside the screw hole 33 and fixedly connected with a hand wheel 21 for facilitating rotation of the clamping bolt 19.

Referring to fig. 3, a positioning pin 22 for positioning the mounting base 3 is detachably connected between the mounting base 3 and the placement table 6, the positioning pin 22 is arranged between the mounting base 3 and the placement table 6 in a penetrating manner, and the positioning pin 22 is respectively in clamping fit with the mounting base 3 and the placement table 6.

Referring to fig. 2 and 3, a groove 23 is formed in the mounting seat 3, and a positioning column 25 is fixedly connected to the bottom wall of the groove 23. The mounting plate 7 is provided with a positioning groove 24 for being in plug-in fit with the positioning column 25, and the positioning column 25 is in plug-in fit with the positioning groove 24.

Embodiment two:

the second embodiment differs from the first embodiment in that the mounting block 8 is different.

Referring to fig. 5, specifically, the groove wall of the first installation groove 11 is provided with a through groove 26, the through groove 26 is provided in a horizontal direction, and the through groove 26 is communicated with the first installation groove 11. The first mounting portion 9 is provided with a sliding groove 27, the sliding groove 27 is provided in the horizontal direction, a sliding block 28 is slidably connected in the sliding groove 27, and the sliding block 28 is provided with an arc surface 29. A second spring 30 for enabling the sliding block 28 to slide in the sliding groove 27 is fixedly connected between the sliding block 28 and the groove wall of the sliding groove 27, one end of the second spring 30 is fixedly connected to one side, close to the first mounting portion 9, of the sliding block 28, and the other end of the second spring 30 is fixedly connected to the groove wall of the fixed groove 14. When the spring is in a natural extension state, the sliding block 28 protrudes out of the fixed groove 14, and when the first mounting block 8 moves towards the first mounting groove 11, the arc surface 29 of the sliding block 28 abuts against the groove wall of the first mounting groove 11, and the spring is in a compression state. When the first mounting block 8 is in clamping fit with the first mounting groove 11, the spring naturally stretches, and one end of the sliding block 28 stretches into the penetrating groove 26.

Referring to fig. 5, in this embodiment, the second mounting portion 10 is provided with a plurality of inserting grooves 31, the inserting grooves 31 are provided along the vertical direction, the groove wall of the second mounting groove 12 is fixedly provided with inserting blocks 32 for inserting and matching with the inserting grooves 31, and the inserting blocks 32 are inserted and matched with the inserting grooves 31, so as to fix the mounting blocks 8, thereby fixing the sensor 4, so that the sensor 4 is not easy to deviate.

The implementation principle of the application is as follows: when the sensor 4 needs to be detected, the sensor 4 is firstly arranged on the mounting seat 3, the mounting seat 3 moves along with the rotation of the conveyor belt, and the sensor 4 is not easy to deviate on the conveyor belt 2 due to the fact that the bottom surface of the mounting seat 3 is flush with the conveyor belt 2, so that the sensor 4 can be well detected. When mount pad 3 is carried to place on the platform 6 by conveyer belt 2, cooperate locating pin 22 joint in constant head tank 24 and locating hole to carry out preliminary restriction to the degree of freedom of mount pad 3, rotate two hand wheels 21 afterwards, two hand wheels 21 drive two clamping bolt 19 and remove until the butt in mount pad 3 towards mount pad 3, thereby make clamping bolt 19 carry out clamping action to mount pad 3, the degree of freedom about the restriction mount pad 3, thereby make mount pad 3 be fixed a position to accurate position, be convenient for make sensor 4 be carried to each detection module's accurate position in proper order in order to carry out good detection to sensor 4.

In the first embodiment, when the sensor 4 needs to be detected, the sensor 4 is first mounted on the mounting base 3, the first mounting portion 9 of the mounting block 8 is aligned with the first mounting groove 11 and then is inserted into the first mounting groove 11, the second mounting portion 10 of the mounting block 8 is aligned with the second mounting groove 12 and then is inserted into the second mounting groove 12, at this time, the groove wall of the second mounting portion 10 presses the wedge block 15 into the fixing groove 14, and the wedge block 15 slides into the fixing groove 14 under the pressing force of the groove wall of the second mounting portion 10, so that the spring is contracted. When the second installation department 10 is in plug-in fit with the second installation groove 12, the wedge 15 is not extruded by the groove wall of the second installation department 10 any more, the wedge 15 slides out of the fixed groove 14 and is matched with the wedge groove 13 under the driving force of the natural extension of the spring, the first inclined plane 16 is abutted against the second inclined plane 17, and at the moment, the sensor 4 is fixed on the installation seat 3, so that the sensor 4 is not easy to cause uneven stress of the sensor 4 due to friction force between the sensor 4 and the conveyor belt 2, and the sensor 4 is overturned or displaced.

In the second embodiment, when the sensor 4 needs to be mounted on the mounting seat 3, the first mounting portion 9 of the mounting block 8 is aligned with the first mounting groove 11 and then is in plug-in fit with the first mounting groove 11, the second mounting portion 10 of the mounting block 8 is aligned with the second mounting groove 12 and then is in plug-in fit with the second mounting groove 12, at this time, the plurality of plug-in blocks 32 located in the second mounting groove 12 are in plug-in fit with the plug-in grooves 31 of the second mounting portion 10, and meanwhile, the sliding block 28 of the first mounting portion 9 slides into the sliding groove 27 due to the extrusion of the groove wall of the first mounting groove 11, and the second spring 30 contracts until the sliding block 28 of the first mounting portion 9 is in snap-in fit with the annular groove, and the second spring 30 naturally stretches, so that the sliding block 28 is in snap-in fit with the annular groove, thereby fixing the sensor 4.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in order, so: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a sensor detection device's sensor placement machine constructs, includes conveying frame (1) and sets up in conveyer belt (2) of conveying frame (1), its characterized in that: be provided with mount pad (3) on conveyer belt (2), the bottom surface of mount pad (3) is the plane, sensor (4) through installation component demountable installation in mount pad (3), mount pad (3) are along with the rotation of conveyer belt (2) and remove, be provided with base (5) on conveying frame (1), base (5) are provided with and are used for placing mount pad (3) to make sensor (4) on mount pad (3) detected place platform (6), place platform (6) both sides are provided with and are used for carrying out the locating component of location to mount pad (3).

2. A sensor placement mechanism for a sensor testing apparatus according to claim 1, wherein: the mounting assembly comprises a mounting plate (7) fixedly arranged on one side of the sensor (4) and a mounting block (8) fixedly arranged on the mounting plate (7), the mounting block (8) is provided with a first mounting part (9) and a second mounting part (10), a first mounting groove (11) and a second mounting groove (12) are formed in the mounting seat (3), the first mounting groove (11) is communicated with the second mounting groove (12), the first mounting part (9) is in plug-in fit with the first mounting groove (11), and the second mounting part (10) is in plug-in fit with the second mounting groove (12).

3. A sensor placement mechanism for a sensor testing apparatus according to claim 2, wherein: wedge groove (13) have been seted up to second installation department (10), fixed slot (14) have been seted up to the inner wall of second installation groove (12), sliding in fixed slot (14) is provided with and is used for with wedge groove (13) matched with wedge piece (15), wedge piece (15) with be provided with a plurality of elastic components that are used for making annular ring flexible between the inner wall of fixed slot (14).

4. A sensor placement mechanism for a sensor testing apparatus according to claim 3, wherein: the elastic piece comprises a first spring (18), one end of the first spring (18) is fixedly connected to one side of the wedge-shaped block (15), and the other end of the first spring (18) is fixedly connected to the inner wall of the fixing groove (14).

5. A sensor placement mechanism for a sensor testing apparatus according to claim 1, wherein: the positioning assembly comprises two clamping blocks (20) and two clamping bolts (19), the two clamping blocks (20) are respectively located on two sides of the mounting seat (3) and are fixedly connected to the placing table (6), and the two clamping bolts (19) are respectively connected with the two clamping blocks (20) in a threaded mode.

6. The sensor-placement mechanism of a sensor testing apparatus of claim 5, wherein: one end of the clamping bolt (19) far away from the mounting seat (3) is located outside the screw hole (33), and one end of the clamping bolt (19) located outside the screw hole (33) is fixedly connected with a hand wheel (21) used for conveniently rotating the clamping bolt (19).

7. A sensor placement mechanism for a sensor testing apparatus according to claim 1, wherein: the mounting seat (3) is provided with a locating pin (22) for limiting the freedom degree of the mounting seat (3), and the locating pin (22) penetrates through the mounting seat (3) and the placing table (6) and is matched with the mounting seat (3) and the placing table (6) in a clamping mode.

8. A sensor placement mechanism for a sensor testing apparatus according to claim 2, wherein: the mounting seat (3) is provided with a groove (23), the bottom wall of the groove (23) is provided with a positioning column (25), the mounting plate (7) is provided with a positioning groove (24) which is in plug-in fit with the positioning column (25), and the positioning column (25) is in plug-in fit with the positioning groove (24).

9. A sensor placement mechanism for a sensor testing apparatus according to claim 2, wherein: the second installation department (10) has offered a plurality of jack-in grooves (31), the cell wall of second installation groove (12) is fixed be provided with be used for with jack-in groove (31) grafting complex grafting piece (32), grafting piece (32) with jack-in groove (31) grafting cooperation.

10. A sensor placement mechanism for a sensor testing apparatus according to claim 2, wherein: the groove wall of first mounting groove (11) has seted up and has worn groove (26), first installation department (9) has seted up and has slipped groove (27), slipping in groove (27) is provided with and has slipped piece (28), slipping piece (28) with be provided with second spring (30) between the cell wall of slipping groove (27), the one end fixed connection of second spring (30) is in slipping piece (28), the other end fixed connection of second spring (30) is in the cell wall of slipping groove (27), the one end of slipping piece (28) stretches out slipping groove (27) just slipping piece (28) stretches out slipping groove (27) one end surface is arc surface (29).