CN113091796B - Sensor thermal response performance detection device - Google Patents
Sensor thermal response performance detection device Download PDFInfo
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- CN113091796B CN113091796B CN202110370179.XA CN202110370179A CN113091796B CN 113091796 B CN113091796 B CN 113091796B CN 202110370179 A CN202110370179 A CN 202110370179A CN 113091796 B CN113091796 B CN 113091796B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
Abstract
The invention provides a sensor thermal response performance detection device, comprising: the device comprises a sensing detection device and a temperature and water flow speed adjusting device; the temperature and water flow speed adjusting device comprises a heating plate, a barrel and a motor transmission part, and an annular water flow channel is formed in the barrel; a heating plate is laid in the annular water flow channel; the motor transmission part is used for driving the barrel to rotate so as to enable the water flow of the barrel to flow; the sensing detection device comprises a detection bracket, a sensor clamp and a temperature monitoring part; the detection support is arranged on the temperature water flow speed adjusting device, the sensor clamp and the temperature monitoring part are arranged on the detection support, the sensor clamp is used for clamping a sensor to be tested, and the temperature monitoring part is used for monitoring the water flow speed in the barrel. The invention is used for detecting the nuclear power thermal sensor, can detect the thermal response rate of the sensor at different temperatures and different water flow speeds, detects the optimal application range suitable for the sensor, and ensures that the actual application effect is better, excellent and reliable.
Description
Technical Field
The invention relates to sensor detection, in particular to a sensor thermal response performance detection device.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
The invention aims at simulating the working environment of the nuclear power heat sensor under the actual working condition, adjusts the positions of different temperatures, water flow speeds and the nuclear power heat sensor in the environment and ensures the good operation effect of the nuclear power heat sensor in the actual work.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a sensor thermal response performance detection device.
According to the present invention, there is provided a sensor thermal response performance detecting apparatus comprising: the device comprises a sensing detection device and a temperature and water flow speed adjusting device;
the temperature and water flow speed adjusting device comprises a heating plate, a barrel and a motor transmission part, and an annular water flow channel is formed in the barrel; the heating plate is laid in the annular water flow channel and used for heating water contained in the water flow channel; the motor transmission part is used for driving the barrel to rotate so as to enable the water flow of the barrel to flow;
the sensing detection device comprises a detection bracket, a sensor clamp and a temperature monitoring part;
the detection support sets up on the temperature water flow speed adjusting device, sensor anchor clamps and temperature monitoring portion set up on the detection support, sensor anchor clamps for the sensor that the centre gripping awaited measuring, temperature monitoring portion is used for the monitoring water flow speed in the cask.
Preferably, the temperature and water flow rate adjusting device further comprises a supporting disc, a nylon cover, a barrel cover bracket and a device bracket;
the supporting plate is arranged on the device bracket, and the barrel 1 is arranged on the supporting plate; the plurality of barrel cover supports are sequentially arranged along the circumferential direction of the barrel and are used for supporting the nylon cover.
Preferably, the barrel comprises an inner barrel and an outer barrel;
the inner cylinder is arranged on the inner side of the outer cylinder, and the annular water flow channel is formed between the inner side of the outer cylinder and the outer side surface of the inner cylinder.
Preferably, the motor transmission part comprises a servo motor, a motor fixing frame, a coupling and a rotating shaft;
the motor fixing frame is connected to the supporting plate, and the servo motor is arranged on the motor fixing frame;
the servo motor passes through the shaft coupling drive the axis of rotation rotates, the axis of rotation is provided with the axis of rotation end cover, and passes through the axis of rotation end cover with the cask is connected, in order to drive the cask rotates.
Preferably, the device also comprises a universal wheel;
the universal wheels are arranged on the supporting disc and distributed along the circumferential direction of the rotating shaft;
the inner side surface of the barrel is in rolling contact with the lower side surface of the universal wheel.
Preferably, the sensing device further includes: the sliding guide rail, the sliding block, the hydraulic air pump, the air pump push rod and the air pump push rod connecting block are arranged on the sliding guide rail;
the sliding guide rail is arranged on one side surface of the detection bracket, and the sliding block is arranged on the sliding guide rail and can slide along the sliding guide rail; the sensor clamp is arranged on the sliding block;
the hydraulic air pump is arranged at the upper end of the detection support, an air pump push rod of the hydraulic air pump is connected with the air pump push rod connecting block, and one end of the air pump push rod connecting block is connected with the sliding block, so that the hydraulic air pump can push the sensor clamp to slide along the sliding guide rail.
Preferably, the temperature monitoring part includes: the temperature measurement module bracket and the temperature measurement device mounting block;
the other end of the air pump push rod connecting block is connected with the sliding block temperature measuring module bracket, and the end part of the sliding block temperature measuring module bracket is provided with the temperature measuring device mounting block;
the temperature measuring device mounting block is provided with a mounting hole for fixing the temperature measuring device.
Preferably, the motor transmission part further comprises a fixed sleeve, an upper ball bearing, a sleeve, a lower ball bearing and a radial bearing;
the upper end part of the fixed sleeve is provided with an end cover, the lower end of the fixed sleeve is sleeved on the radial bearing and is rotatably connected with the rotating shaft through the radial bearing;
the fixed sleeve is sequentially connected with the upper ball bearing, the sleeve, the lower ball bearing and the radial bearing;
the fixed sleeve is connected with the supporting disc.
Preferably, the device further comprises a control system, wherein the control system is used for controlling the servo motor, the heating plate and the hydraulic air pump.
Preferably, the clamp air pump is further included;
the clamp air pump is arranged on the sliding block and used for driving the sensor clamp to move.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is used for detecting the nuclear power thermal sensor, can detect the thermal response rate of the sensor at different temperatures and different water flow speeds, and is suitable for the optimal application range of the sensor, thereby ensuring better, excellent and reliable practical application effect.
2. The control system disclosed by the invention adopts a plc intelligent control system to control the servo motor, the heating plate and the air pump, is convenient to operate and good in stability, is more beneficial to operation of operators, improves the detection efficiency and the detection quality, can automatically monitor and send out a recorded detection result in a state of busy detection task, and greatly improves the detection efficiency of the sensor.
3. The sensor clamping device has the characteristic of multi-degree-of-freedom movement, and the position of a sensor to be detected can be regulated and controlled conveniently. The mode that the air pump pushes the guide rail is adopted from top to bottom, left to right, the position of the sensor to be detected in the detection environment is adjusted, and the device has the characteristics of high accuracy and good stability.
4. The motion coupling mode of the invention also has the obvious characteristics that the motor is connected with the coupler to drive the rotating shaft to rotate, and the universal wheel is arranged below the heating turntable to drive the heating barrel to rotate, so that the mechanical structure is novel, the water flow speed is easy to adjust, and the rotating efficiency is greatly improved.
5. The invention is based on actual production in factories, and a large number of experiments and tests prove that the invention has the popularization property and is suitable for large-scale use in factories.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a sensor thermal response performance detecting device in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a temperature and water flow velocity adjusting device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the construction of a drum according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a heating plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of the installation of the sensing device and the temperature and water flow rate adjusting device in the embodiment of the invention;
FIG. 6 is a schematic structural diagram of a mounting bracket of a servo motor according to an embodiment of the present invention;
FIG. 7 is a schematic view of a servo motor transmission connection according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a sensing device according to an embodiment of the present invention;
FIG. 9 is a schematic structural view of a detection bracket according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a support plate according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a temperature measurement module support according to an embodiment of the present invention;
FIG. 12 is a schematic view of the structure of the air pump and the fixture in the embodiment of the present invention;
FIG. 13 is a schematic view of the structure of the fixture mounting in the embodiment of the present invention;
FIG. 14 is a schematic view of the installation of the rotating shaft and the fixed end cap and wire ring in the embodiment of the present invention;
FIG. 15 is a schematic view showing the mounting of the rotary shaft and the upper and lower rolling bearings, the radial bearing, the sleeve and the wire guide ring according to the embodiment of the present invention;
FIG. 16 is a schematic view showing the engagement of the rotating shaft with the upper and lower rolling bearings, the radial bearing, and the sleeve in the embodiment of the present invention;
FIG. 17 is a schematic structural view of a sleeve in an embodiment of the present invention;
FIG. 18 is a schematic structural view of an end cap of a retaining sleeve in an embodiment of the invention;
FIG. 19 is a schematic view of a rotating shaft according to an embodiment of the present invention;
fig. 20 is a schematic structural view of a fixing sleeve in an embodiment of the present invention.
In the figure: 1 is a barrel, 2 is a supporting plate, 3 is a supporting frame, 4 is a nylon barrel cover bracket, 5 is a nylon cover, 6 is a barrel cover supporting section bar, 7 is a hydraulic air pump, 8 is a bracket claw, 9 is a connecting position of the top end of an air pump push rod corresponding to a connecting frame, 10 is an air pump push rod, 11 is a detection bracket, 12 is an outer side area of the barrel, 13 is an inner side area of the barrel, 14 is a clamp of a sensor to be detected, 15 is a servo motor, 16 is a threading hole, 17 is a connecting hole of the barrel and a rotating shaft end cover, 18 is a heating plate line hole, 19 is a barrel heating plate, 20 is a motor fixing frame, 21 is a coupler, 22 is a wire guide ring, 23 is a universal roller, 24 is a gap between the rotating shaft end cover and the end cover, 25 is a temperature measuring device mounting block, 26 is a connecting block of the detection bracket and the supporting plate, 27 is a servo motor sleeve hole, 28 is a motor fixing hole, 29 is a motor mounting frame and a supporting plate mounting hole, 30 is an electric wire clamping hole, 31 is a wire ring control hole, 32 is a fixed sleeve, 33 is an end cover, 34 is a rotating shaft end cover, 35 is a temperature measuring module support, 36 is a ring hole, 37 is a sliding guide rail, 38 is a long-strip-shaped sliding block, 39 is a detecting support and connecting block mounting hole, 40 is an air pump push rod and air pump push rod connecting frame fixing nut, 41 is a temperature measuring module and support connecting hole, 42 is a temperature measuring instrument clamping hole, 43 is an air pump push rod connecting block, 44 is a sensor limiting block mounting plate, 45 is a sensor top limiting block, 46 is a clamp air pump, 47 is a supporting plate, 48 is a supporting plate and supporting frame connecting threaded hole, 49 is a fixed sleeve through hole, 50 is a universal wheel and supporting plate mounting hole, 51 is a fixed sleeve and supporting plate connecting hole, 52 is a threading hole, 53 is a supporting plate and connecting block mounting hole, 54 is an air pump fixing plate, 55 is a detecting clamp support, 56 is a connecting block and supporting plate mounting hole, 57 is a motor support and support plate mounting hole, 58 is a fixed end cover and drum mounting hole, 59 is various power line through holes, 60 is the inside of a fixed sleeve, 61 is a fixed sleeve support plate connecting hole, 62 is a fixed sleeve and end cover connecting hole, 63 is a rotating shaft lever and sleeve mounting position, 64 is an end cover and fixed sleeve connecting hole, 65 is a sleeve, 66 is a lower ball bearing, 67 is a radial rolling bearing, and 68 is an upper ball bearing.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the invention.
Fig. 1 is a schematic structural diagram of a sensor thermal response performance detection apparatus in an embodiment of the present invention, and as shown in fig. 1, the sensor thermal response performance detection apparatus provided by the present invention includes: the device comprises a sensing detection device and a temperature and water flow speed adjusting device;
the temperature and water flow speed adjusting device comprises a heating plate 19, a barrel 1 and a motor transmission part, wherein an annular water flow channel is formed in the barrel 1; the heating plate 19 is laid in the annular water flow channel and used for heating water contained in the water flow channel; the motor transmission part is used for driving the barrel to rotate so as to enable the water flow of the barrel 1 to flow;
the sensing detection device comprises a detection bracket, a sensor clamp 14 and a temperature monitoring part;
the detection support sets up on the temperature water flow speed adjusting device, sensor anchor clamps 14 and temperature monitoring portion set up on the detection support, sensor anchor clamps 14 for the sensor that the centre gripping awaits measuring, temperature monitoring portion is used for the monitoring water flow speed in the cask 1.
Fig. 2 is a schematic structural diagram of a temperature and water flow rate adjusting device in an embodiment of the present invention, and as shown in fig. 2, the temperature and water flow rate adjusting device further includes a support plate 2, a nylon cover 5, a cover bracket 4 and a device bracket 3;
the supporting plate 2 is arranged on the device bracket 3, and the barrel 1 is arranged on the supporting plate 2; the barrel cover supports 4 are sequentially arranged along the circumferential direction of the barrel 1 and are used for supporting the nylon cover 5.
In the embodiment of the present invention, the drum 1 includes an inner drum and an outer drum;
the inner cylinder is arranged on the inner side of the outer cylinder, and the annular water flow channel is formed between the inner side of the outer cylinder and the outer side surface of the inner cylinder.
The motor transmission part comprises a servo motor, a motor fixing frame 20, a coupler 21 and a rotating shaft;
the motor fixing frame 20 is connected to the supporting disc 2, and the servo motor is arranged on the motor fixing frame 20;
the servo motor passes through the shaft coupling 21 drive the axis of rotation rotates, the axis of rotation is provided with axis of rotation end cover 34, and passes through axis of rotation end cover 34 with cask 1 is connected, in order to drive cask 1 rotates.
The motor transmission part further comprises a fixed sleeve 32, an upper ball bearing 68, a sleeve 65, a lower ball bearing 66 and a radial bearing 67
The upper end part of the fixed sleeve 32 is provided with an end cover 33, the lower end part is sleeved on a radial bearing 67, and the upper end part is rotatably connected with the rotating shaft through the radial bearing 67;
the fixed sleeve 32 is sequentially connected with an upper ball bearing 68, a sleeve 65, a lower ball bearing 66 and the radial bearing 67;
the fixing sleeve 32 is connected to the support disk 2.
The universal wheels 23 are arranged on the support disc 2 and distributed along the circumferential direction of the rotating shaft;
the inner side surface of the barrel 1 is in rolling contact with the lower side surface of the universal wheel 23.
When the sensor thermal response performance detection device provided by the invention is used, the device support 3 is welded on the support plate 2 through screws, the support claws 8 are fixed below four support columns of the device support 3 through threads, the servo motor 15 is arranged below the motor support 20 through four threaded holes, and the motor support 20 is connected on the support plate 2 through threaded holes;
the two half end covers 33 are arranged in the fixed sleeve 32, the upper ball bearing 68 is arranged at the lower side of the end cover 33, the sleeve 65 is arranged at the bottom of the upper ball bearing 68, the lower ball bearing 66 is arranged at the bottom of the sleeve 65, the radial bearing 67 is sleeved at the bottom of the lower ball bearing 66 to reduce the friction between the rotating shaft and the fixed sleeve 32, the fixed sleeve 32 is sleeved between the radial bearing 67 and the bottom of the end cover to enable the rotating shaft to drive the barrel 1 to rotate, the radial bearing 67, the lower ball bearing 66 and the sleeve 65 are arranged in the fixed sleeve 32, the upper ball bearing 68 and the end cap 33 are connected to the rotating shaft, the fixing sleeve 32 passes through the hole of the support plate 47, the four threaded holes 51 of the fixing sleeve 32 are connected to the support plate 47 by screws, and the four threaded holes of the fixing sleeve 32 are connected to the four holes of the drum and the four holes of the fixing end cap 34 by screws.
Install six universal wheels 23 around the axis of rotation in the backup pad and realize the partial pressure to cask 1 and reduce frictional effect, install wire ring 22 under the fixed end cover and put through the wire above the cask 1 to below control cabinet, the axis of rotation passes through shaft coupling 21 and connects servo motor's pivot, servo motor 15 passes through screw hole 28 on the motor support 20 and installs on motor support 20, motor support 20 passes through the screw hole and installs in backup pad 2, realize the adjustment to cask 1 outside liquid water velocity, cask 1 passes through screwed connection through hole 49 and pivot end cover, the bottom welding in the inside outside of cask 1 has heating plate 19, realize carrying out the effect of real-time heating to the liquid in cask 1, hole 16 and 18 are the through wires hole, convey various control lines to the control box.
Fig. 8 is a schematic structural diagram of a sensing device in an embodiment of the present invention, and as shown in fig. 8, the sensing device further includes: the sliding guide rail 37, the sliding block 38, the hydraulic air pump 7, the air pump push rod 10 and the air pump push rod connecting block 43;
wherein the sliding guide rail 37 is arranged on one side surface of the detection bracket, and the sliding block 38 is arranged on the sliding guide rail 37 and can slide along the sliding guide rail 37; the sensor clamp 14 is disposed on the slide 38;
the hydraulic air pump 7 is arranged at the upper end of the detection support, an air pump push rod 10 of the hydraulic air pump 7 is connected with the air pump push rod connecting block 43, and one end of the air pump push rod connecting block 43 is connected with the sliding block 38, so that the hydraulic air pump 7 can push the sensor clamp 14 to slide along the sliding guide rail 37.
In an embodiment of the present invention, the temperature monitoring section includes: the temperature measuring module bracket 35 and the temperature measuring device mounting block 25;
the other end of the air pump push rod connecting block 43 is connected with the sliding block temperature measuring module bracket 35, and the end part of the sliding block temperature measuring module bracket 35 is provided with the temperature measuring device mounting block 25;
the temperature measuring device mounting block 25 is provided with a mounting hole for fixing the temperature measuring device.
In the embodiment of the invention, the left side of the detection support is provided with the sliding guide rail 37, the sensor clamp 14 is arranged on the strip-shaped sliding block 38 in a supporting manner, the hydraulic air pump 7 is connected to the detection support through a threaded hole at the bottom, and the top end 40 of the air pump push rod is connected with the air pump push rod connecting frame 43 and fixed through bolts, so that the detection support is driven by the hydraulic air pump 7 to be adjusted, and the position of the sensor is adjusted. The right side of the detection support is connected with a hole on the air pump push rod connecting frame 43 through a threaded hole on the temperature measuring module support 41 by a screw, the temperature measuring module support is connected with a temperature measuring device mounting block by a screw, the temperature measuring device mounting block is provided with a mounting hole, the temperature measuring device is fixed in the mounting hole, and the detection device is connected and fixed with the support plate through the detection part support and the support disc connecting block.
In the embodiment of the invention, the method is used for detecting the nuclear power thermal sensor, can detect the thermal response rate of the sensor at different temperatures and different water flow speeds, and is suitable for the optimal application range of the sensor, so that the practical application effect is better, excellent and reliable; control system adopts plc intelligence control system, controls servo motor, hot plate and air pump, and the simple operation, stability are good, more are favorable to operating personnel to operate, have improved detection efficiency and detection quality, can automatic monitoring and send the record testing result in the busy state of detection task, very big improvement sensor's detection efficiency.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (5)
1. A sensor thermal response performance detecting device, characterized by comprising: the device comprises a sensing detection device and a temperature and water flow speed adjusting device;
the temperature and water flow speed adjusting device comprises a heating plate (19), a barrel (1) and a motor transmission part, wherein an annular water flow channel is formed in the barrel (1); the heating plate (19) is laid in the annular water flow channel and used for heating water contained in the water flow channel; the motor transmission part is used for driving the barrel to rotate so as to enable the water flow of the barrel (1) to flow;
the sensing detection device comprises a detection bracket, a sensor clamp (14) and a temperature monitoring part;
the detection support is arranged on the temperature and water flow speed adjusting device, the sensor clamp (14) and the temperature monitoring part are arranged on the detection support, the sensor clamp (14) is used for clamping a sensor to be tested, and the temperature monitoring part is used for monitoring the water flow speed in the barrel (1);
the temperature and water flow speed adjusting device also comprises a supporting plate (2), a nylon cover (5), a barrel cover bracket (4) and a device bracket (3);
the supporting disc (2) is arranged on the device bracket (3), and the barrel (1) is arranged on the supporting disc (2); the barrel cover supports (4) are sequentially arranged along the circumferential direction of the barrel (1) and are used for supporting the nylon cover (5);
the motor transmission part comprises a servo motor, a motor fixing frame (20), a coupler (21) and a rotating shaft;
the motor fixing frame (20) is connected to the supporting disc (2), and the servo motor is arranged on the motor fixing frame (20);
the servo motor drives the rotating shaft to rotate through the coupler (21), the rotating shaft is provided with a rotating shaft end cover (34), and the rotating shaft is connected with the barrel (1) through the rotating shaft end cover (34) so as to drive the barrel (1) to rotate;
the sensing device further includes: a sliding guide rail (37), a sliding block (38), a hydraulic air pump (7), an air pump push rod (10) and an air pump push rod connecting block (43);
the sliding guide rail (37) is arranged on one side surface of the detection bracket, and the sliding block (38) is arranged on the sliding guide rail (37) and can slide along the sliding guide rail (37); the sensor clamp (14) is arranged on the slide block (38);
the hydraulic air pump (7) is arranged at the upper end of the detection support, an air pump push rod (10) of the hydraulic air pump (7) is connected with the air pump push rod connecting block (43), and one end of the air pump push rod connecting block (43) is connected with the sliding block (38), so that the hydraulic air pump (7) can push the sensor clamp (14) to slide along the sliding guide rail (37);
the temperature monitoring section includes: a temperature measuring module bracket (35) and a temperature measuring device mounting block (25);
the other end of the air pump push rod connecting block (43) is connected with the sliding block temperature measuring module bracket (35), and the end part of the sliding block temperature measuring module bracket (35) is provided with the temperature measuring device mounting block (25);
the temperature measuring device mounting block (25) is provided with a mounting hole for fixing the temperature measuring device;
the motor transmission part also comprises a fixed sleeve (32), an upper ball bearing (68), a sleeve (65), a lower ball bearing (66) and a radial bearing (67)
An end cover (33) is arranged at the upper end part of the fixed sleeve (32), the lower end of the fixed sleeve is sleeved on a radial bearing (67), and the upper end of the fixed sleeve is rotatably connected with the rotating shaft through the radial bearing (67);
the fixed sleeve (32) is sequentially connected with an upper ball bearing (68), a sleeve (65), a lower ball bearing (66) and the radial bearing (67);
the fixing sleeve (32) is connected with the supporting disk (2).
2. The sensor thermal response property detection device according to claim 1, wherein the drum (1) includes an inner cylinder and an outer cylinder;
the inner cylinder is arranged on the inner side of the outer cylinder, and the annular water flow channel is formed between the inner side of the outer cylinder and the outer side surface of the inner cylinder.
3. The sensor thermal response property detection device according to claim 1, further comprising a universal wheel (23);
the universal wheels (23) are arranged on the supporting disc (2) and distributed along the circumferential direction of the rotating shaft;
the inner side surface of the barrel (1) is in rolling contact with the lower side surface of the universal wheel (23).
4. The sensor thermal response property detection device according to claim 1, further comprising a control system for controlling the servo motor, the heating plate, and the hydraulic air pump (7).
5. A sensor thermal response property detecting device according to claim 1, further comprising a jig air pump (46);
the clamp air pump (46) is arranged on the sliding block (38) and used for driving the sensor clamp (14) to move.
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