CN209055291U - New energy vehicle power battery pack shell box air tightness detection device - Google Patents

Abstract

The utility model provides an air-tightness detection device for an outer casing of a power battery pack of a new energy vehicle. The new energy vehicle power battery pack shell box air tightness detection device includes two first support plates; a second support plate, two sides of the second support plate are respectively fixedly connected to the two first support plates ; a third support plate, the two sides of the third support plate are respectively fixedly connected with the two first support plates, and the third support plate is located above the second support plate; the battery pack shell box , the battery pack shell box is located on the top of the second support plate. The device for detecting the airtightness of the casing box of the new energy vehicle power battery pack provided by the utility model has the advantages of strong practicability, simple operation, accurate positioning and pressing and fixing of the casing box of the battery pack, and effectively avoids the need for the casing box of the battery pack. It has the advantage of air leakage due to body shape deformation, which improves the efficiency of detection work.

Description

New energy vehicle power battery pack shell box air tightness detection device

technical field

The utility model relates to the technical field of air-tightness detection equipment, in particular to an air-tightness detection device of a casing box of a power battery pack of a new energy vehicle.

Background technique

With the continuous development of science and technology, people are investing more and more in environmental protection, and a large number of new energy vehicles have been produced. The battery pack is an important part of new energy vehicles and has a dedicated battery pack casing. The battery pack casing box is in production. In the process, air tightness detection must be carried out to better protect the battery pack. The prior art discloses a battery box air tightness detection device applied to the technical field of auxiliary equipment for the production of automobile battery parts. One end of the air inlet pipe of the battery box air tightness detection device is connected to the air pressure pump, the other end of the air inlet pipe is provided with a joint, the air pressure pump is connected to the control part, the solenoid valve set on the air inlet pipe is connected to the control part, and the solenoid valve is connected to the control part. A pressure sensor is arranged on the air inlet pipeline between the joint part and the pressure sensor, which is connected with the control part, and the control part is connected with the display. Air tightness detection can effectively shorten the development time, simplify the detection process, and reduce the development cost of enterprises.

However, the design of the traditional battery pack casing box air tightness detection device still has shortcomings. It does not have a limit mechanism, which is inconvenient for accurate positioning of battery pack casing boxes of different sizes, and it does not have a pressing and fixing mechanism. , it is inconvenient to press and fix the outer casing of the battery pack, so that the casing casing of the battery pack is easily deformed or even leaks during the detection process, which affects the efficiency of the detection work.

Therefore, it is necessary to provide a new device for detecting the airtightness of the outer casing of a power battery pack of a new energy vehicle to solve the above technical problems.

Utility model content

The technical problem solved by the utility model is to provide an air-tightness detection device of a power battery pack casing of a new energy vehicle, which is convenient to use, has high space utilization efficiency, and is easy to clean up dust.

In order to solve the above-mentioned technical problems, the air-tightness detection device of the housing box of the new energy vehicle power battery pack provided by the present invention comprises: two first support plates; The two first support plates are fixedly connected; a third support plate, two sides of the third support plate are respectively fixedly connected to the two first support plates, and the third support plate is located in the second support plate above the support plate; the battery pack casing box, the battery pack casing box is located on the top of the second support plate, and a cavity is formed between the battery pack casing box and the second support plate; a plurality of a first push rod motor, a plurality of the first push rod motors are fixedly mounted on the second support plate; a plurality of air pressure detection sensors, the tops of the plurality of air pressure detection sensors are respectively connected with the corresponding first push rod motors The bottom end of the output shaft of the push rod motor is fixedly connected, and the bottoms of the plurality of air pressure detection sensors are all in contact with the top of the battery pack casing; the air pump is fixedly installed on the bottom of the second support plate ; an air outlet pipe, the air outlet pipe is fixedly installed on the air pump, and the top end of the air outlet pipe runs through the second support plate; a display controller, the display controller is fixedly installed on any of the first support plates The side away from the second support plate; two second push rod motors, the two second push rod motors are respectively fixed and installed on the side of the two first support plates that are close to each other, and the two The second push rod motors are all located below the second support plate; two first sliders, the two first sliders are respectively slidably installed on the sides of the two first support plates that are close to each other, And the bottoms of the two first sliding blocks are respectively fixedly connected with the top ends of the corresponding second push rod motor output shafts; two connecting rods are hinged on the corresponding first sliding blocks respectively. two rectangular through holes, both of which are opened on the second support plate; two second sliders, which are slidably installed on the corresponding In the rectangular through hole, the two sides of the second sliders that are close to each other are in contact with the battery pack casing, and the top and bottom of the second sliders extend to the corresponding outside the rectangular through hole, and the bottom of the second sliding block is hinged with the top end of the corresponding connecting rod; two fixing blocks, the two fixing blocks are respectively fixed and installed on the top of the corresponding second sliding block , and the two sides of the two fixing blocks that are close to each other are in contact with the battery pack shell box; , and the bottoms of the two pressing blocks are in contact with the top of the battery pack casing; two first chutes, the two first chutes are respectively opened in the two fixing blocks close to each other. one side; two third sliding blocks, the two third sliding blocks are respectively slidably installed in the corresponding first sliding grooves, and the sides of the two third sliding blocks close to each other are respectively connected with the two third sliding blocks The sides of the pressing blocks that are far away from each other are fixedly connected; two threaded through holes, which are respectively opened on the corresponding third sliders; two screw rods, respectively Thread mounted on In the corresponding threaded through holes, the top and bottom ends of the screw rods both extend to the outside of the corresponding threaded through holes; two grooves, the two grooves are respectively opened in the two fixed blocks On the side away from each other, the bottom end of the screw rod extends into the corresponding groove; two first through holes are respectively opened on the top inner wall of the corresponding groove On the upper side, the first through hole communicates with the corresponding first chute, and the screw rod is rotatably installed in the corresponding first through hole; two turbines, the two turbines are respectively rotatably installed in the corresponding first through holes. In the groove of the two turbines, the tops of the two turbines are respectively fixedly connected with the bottom ends of the corresponding screw rods; two motors, the two motors are respectively fixed and installed on the two fixed blocks away from each other one side of the motor, the output shaft of the motor extends into the corresponding groove; two worms, the side of which the two worms are away from each other are respectively fixedly installed on the corresponding output shaft of the motor, and the worm and the corresponding to the turbine meshes.

Preferably, the device for detecting the air tightness of the housing box of a power battery pack of a new energy vehicle is characterized in that a second chute is provided on the sides of the two first support plates that are close to each other, and the second Two second through holes are opened on the slider, two first sliding rods are fixedly installed in the rectangular through holes, and the two first sliding rods are respectively slidably installed in the corresponding second through holes .

Preferably, a third through hole is formed on the top inner wall of the first chute, the top end of the screw rod penetrates the third through hole, and the screw rod is rotatably installed in the corresponding third through hole Inside.

Preferably, a fourth sliding block is slidably installed in the second chute, and the sides of the two fourth sliding blocks that are close to each other are respectively fixedly connected to the sides of the two first sliding blocks that are far away from each other.

Preferably, the fourth sliding block is provided with a fourth through hole, a second sliding rod is fixedly installed on the top inner wall and the bottom inner wall of the second sliding groove, and the second sliding rod is slidably installed on the corresponding A fourth through hole is opened on the fourth sliding block in the fourth through hole, a second sliding rod is fixedly installed on the top inner wall and the bottom inner wall of the second chute, and the second sliding rod is slidably installed on the second sliding slot. corresponding to the fourth through hole.

Preferably, a clamping block is fixedly installed in the groove, a fifth through hole is formed on the clamping block, and the output shaft of the motor is rotatably installed in the corresponding fifth through hole.

Preferably, an inversion switch is fixedly installed on the motor, and the model of the inversion switch is HY2-60.

Preferably, two bearings are fixedly sleeved on the screw rod, and the outer rings of the two bearings are respectively fixed and installed on the inner walls of the first through hole and the third through hole.

Preferably, a sixth through hole is formed on the top of the third sliding block, the same third sliding rod is fixedly installed on the top inner wall and the bottom inner wall of the first sliding slot, and the third sliding rod is slidably installed on the in the corresponding sixth through hole.

Compared with the related art, the device for detecting the air tightness of the housing box of the new energy vehicle power battery pack provided by the present invention has the following beneficial effects:

The utility model provides an air-tightness detection device for a housing box of a power battery pack of a new energy vehicle. The display controller is used to turn on the two second push rod motors, and the output shaft of the second push rod motors pushes the two push rod motors. The first slider slides upward on the corresponding first support plate, the first slider pushes the connecting rod to rotate upward and away from the corresponding first support plate, and the connecting rod pushes the first support plate. The two sliding blocks slide laterally in the corresponding rectangular through holes and move away from the first support plate, and both the second sliding blocks are in contact with the battery pack casing and accurately position it, and at the same time The two second sliders drive the two fixed blocks to move laterally and approach each other, the display controller turns on the two motors, the output shafts of the motors drive the worm to rotate, and the worm drives the The turbine rotates in the corresponding groove, the turbine drives the screw to rotate in the corresponding first through hole and the threaded through hole, and the screw drives the third slider at the same time Slide down in the corresponding first chute, the third sliding block drives the pressing block to slide down on the corresponding fixing block and press the battery pack casing, the The display controller turns on a plurality of the first push rod motors and the air pumps, and the output shaft of the first push rod motors drives the air pressure detection sensor to descend and contact the top of the battery pack housing box. The air pump inflates the cavity through the air outlet pipe, and a plurality of the air pressure detection sensors detect the air tightness of the battery pack shell box, which has strong practicability and simple operation, and can perform air-tightness detection on the battery pack shell box. Precise positioning and pressing and fixing can effectively avoid the deformation and leakage of the battery pack shell box, and improve the efficiency of detection work.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of a kind of preferred embodiment of the air tightness detection device of the new energy vehicle power battery pack shell box body provided by the utility model;

Fig. 2 is the enlarged schematic diagram of A part shown in Fig. 1;

Fig. 3 is the enlarged schematic diagram of B part shown in Fig. 1;

Fig. 4 is the enlarged schematic diagram of C part shown in Fig. 3;

FIG. 5 is a schematic diagram of the assembly of the turbine and the worm in the air-tightness detection device of the housing box of the new energy vehicle power battery pack provided by the present invention.

Labels in the figure: 1, the first support plate, 2, the second support plate, 3, the third support plate, 4, the battery pack shell box, 5, the first push rod motor, 6, the air pressure detection sensor, 7, the air pump , 8, air outlet, 9, display controller, 10, second push rod motor, 11, first slider, 12, connecting rod, 13, rectangular through hole, 14, second slider, 15, fixed block , 16, pressure block, 17, first chute, 18, third slider, 19, threaded through hole, 20, screw, 21, groove, 22, first through hole, 23, turbine, 24, motor , 25, worm.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and embodiments.

Example

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein, Fig. 1 is a preferred embodiment of the air-tightness detection device of the power battery pack casing of a new energy vehicle provided by the present invention. Figure 2 is an enlarged schematic diagram of the A part shown in Figure 1; Figure 3 is an enlarged schematic diagram of the B part shown in Figure 1; Figure 4 is an enlarged schematic diagram of the C part shown in Figure 3; Schematic diagram of the assembly of the turbine and worm in the air-tightness detection device of the new energy vehicle power battery pack shell box provided by the new model. The device for detecting the air tightness of the housing box of a power battery pack of a new energy vehicle includes: two first support plates 1; 1 fixed connection; a third support plate 3, the two sides of the third support plate 3 are respectively fixedly connected with the two first support plates 1, and the third support plate 3 is located on the second support plate 2 the top of the battery pack housing box 4, the battery pack housing box 4 is located on the top of the second support plate 2, and a cavity is formed between the battery pack housing box 4 and the second support plate 2 A plurality of first push rod motors 5, a plurality of the first push rod motors 5 are fixedly installed on the second support plate 2; a plurality of air pressure detection sensors 6, the top of a plurality of the air pressure detection sensors 6 They are respectively fixedly connected with the bottom ends of the corresponding output shafts of the first push rod motors 5, and the bottoms of the plurality of air pressure detection sensors 6 are all in contact with the top of the battery pack housing case 4; the air pump 7, the said The air pump 7 is fixedly installed on the bottom of the second support plate 2; the air outlet pipe 8 is fixedly installed on the air pump 7, and the top of the air outlet pipe 8 penetrates the second support plate 2; A display controller 9, the display controller 9 is fixedly installed on any side of the first support plate 1 away from the second support plate 2; two second push rod motors 10, two of the second push rod motors The rod motors 10 are respectively fixed and installed on the sides of the two first support plates 1 that are close to each other, and the two second push rod motors 10 are located under the second support plates 2; Block 11, the two first sliding blocks 11 are slidably installed on the sides of the two first supporting plates 1 that are close to each other, and the bottoms of the two first sliding blocks 11 are respectively connected with the corresponding first sliding blocks 11. The top ends of the output shafts of the two push rod motors 10 are fixedly connected; two connecting rods 12 are hinged on the corresponding first sliding blocks 11 respectively; two rectangular through holes 13, two The rectangular through holes 13 are all opened on the second support plate 2 ; two second sliding blocks 14 are slidably installed in the corresponding rectangular through holes 13 , respectively. The sides of the two second sliders 14 that are close to each other are in contact with the battery pack housing case 4 , and the top and bottom of the second sliders 14 both extend to the outside of the corresponding rectangular through holes 13 . , and the bottom of the second sliding block 14 is hinged with the top end of the corresponding connecting rod 12 ; two fixing blocks 15 are fixedly installed on the corresponding second sliding blocks 14 respectively. the top, and the sides of the two fixing blocks 15 that are close to each other are in contact with the battery pack housing box 4; the two pressing blocks 16, the two pressing blocks 16 are respectively slidably installed on the two fixing blocks 15 are close to each other, and the bottoms of the two pressing blocks 16 are in contact with the top of the battery pack housing case 4; two first sliding grooves 17, the two first sliding grooves 17 are respectively opened On the side of the two fixing blocks 15 that are close to each other; two third sliding blocks 18 , and the two third sliding blocks 18 are slidably installed on the corresponding first sliding blocks 18 respectively. In the groove 17, the side of the two third sliders 18 close to each other is fixedly connected to the side of the two pressure blocks 16 away from each other; two threaded through holes 19, two threaded through holes 19 are respectively opened on the corresponding third sliders 18; two screw rods 20, the two screw rods 20 are respectively threadedly installed in the corresponding threaded through holes 19, and the top ends of the screw rods 20 and The bottom ends both extend to the outside of the corresponding threaded through holes 19; two grooves 21, the two grooves 21 are respectively opened on the side of the two fixing blocks 15 away from each other, the screw rod 20 The bottom end extends into the corresponding groove 21; two first through holes 22 are respectively opened on the top inner wall of the corresponding groove 21, and the first through holes 22 are respectively opened on the top inner wall of the corresponding groove 21. The hole 22 communicates with the corresponding first chute 17, and the screw rod 20 is rotatably installed in the corresponding first through hole 22; the two turbines 23 are respectively rotatably installed in the corresponding first through holes 22. Inside the groove 21, the tops of the two turbines 23 are respectively fixedly connected with the bottom ends of the corresponding screw rods 20; the two motors 24 are fixedly installed on the two On the side of the fixed block 15 that is far away from each other, the output shaft of the motor 24 extends into the corresponding groove 21; the two worms 25, the side of the two worms 25 that are far away from each other are respectively fixed and installed on the corresponding motors. On the output shaft of 24 , the worm 25 is engaged with the corresponding turbine 23 .

The said device for detecting the air tightness of the housing box of a power battery pack of a new energy vehicle is characterized in that a second chute is provided on the sides of the two first support plates 1 that are close to each other, and the second slider is provided with a second chute. 14 is provided with two second through holes, two first sliding rods are fixedly installed in the rectangular through holes 13, and the two first sliding rods are respectively slidably installed in the corresponding second through holes .

A third through hole is formed on the top inner wall of the first chute 17, the top end of the screw rod 20 penetrates the third through hole, and the screw rod 20 is rotatably installed in the corresponding third through hole Inside.

A fourth sliding block is slidably installed in the second chute, and the sides of the two fourth sliding blocks that are close to each other are respectively fixedly connected to the sides of the two first sliding blocks that are far away from each other.

The fourth sliding block is provided with a fourth through hole, a second sliding rod is fixedly installed on the top inner wall and the bottom inner wall of the second sliding slot, and the second sliding rod is slidably installed on the corresponding fourth sliding groove. A fourth through hole is opened on the fourth sliding block in the through hole, a second sliding rod is fixedly installed on the top inner wall and the bottom inner wall of the second chute, and the second sliding rod is slidably installed on the corresponding inside the fourth through hole.

A clamping block is fixedly installed in the groove 21 , a fifth through hole is formed on the clamping block, and the output shaft of the motor 24 is rotatably installed in the corresponding fifth through hole.

An inversion switch is fixedly installed on the motor 24, and the model of the inversion switch is HY2-60.

Two bearings are fixedly sleeved on the screw rod 20 , and the outer rings of the two bearings are respectively fixed and installed on the inner walls of the first through hole 22 and the third through hole.

Preferably, a sixth through hole is formed on the top of the third sliding block 18 , the same third sliding rod is fixedly installed on the top inner wall and the bottom inner wall of the first sliding slot 17 , and the third sliding rod slides installed in the corresponding sixth through hole.

The working principle of the air-tightness detection device for the housing box of a new energy vehicle power battery pack provided by the utility model is as follows:

First, place the battery pack casing 1 on the top of the second support plate 2 , and turn on the two second push rod motors 10 through the display controller 9 . The output shaft pushes the first slider 11 to slide upward on the corresponding first support plate 1 , and the first slider 11 pushes the connecting rod 12 to rotate upward and away from the corresponding first support plate 1 , the connecting rod 12 pushes the second sliding block 14 to slide laterally in the corresponding rectangular through hole 13 and away from the first support plate 1 , and the two second sliding blocks 14 are connected to the The battery pack housing case 4 contacts and precisely positions it, and at the same time, the two second sliders 14 drive the two fixing blocks 15 to move laterally and approach each other, and the display controller 9 turns on the two motors. 24. The output shaft of the motor 24 drives the worm 25 to rotate, the worm 25 drives the turbine 23 to rotate in the corresponding groove 21, and the turbine 23 drives the screw 20 to rotate in the corresponding groove 21. The first through hole 22 and the threaded through hole 19 rotate inside, and the screw rod 20 drives the third slider 18 to slide downward in the corresponding first chute 17. The slider 18 drives the pressing block 16 to slide down on the corresponding fixing block 15 and presses the battery pack casing 4 , and the display controller 9 turns on the plurality of first push rod motors 5 And the air pump 7, the output shaft of the first push rod motor 5 drives the air pressure detection sensor 6 to descend and contact the top of the battery pack housing box 4, and the air pump 7 is connected to the air outlet pipe 8 through the air pump 7. The cavity is inflated, and a plurality of the air pressure detection sensors 6 perform air tightness detection on the battery pack housing box 4 .

Compared with the related art, the device for detecting the air tightness of the housing box of the new energy vehicle power battery pack provided by the present invention has the following beneficial effects:

The utility model provides a device for detecting the air tightness of the casing of a power battery pack of a new energy vehicle. The display controller 9 is used to turn on the two second push rod motors 10, and the output of the second push rod motors 10 The shaft pushes the first slider 11 to slide upward on the corresponding first support plate 1 , the first slider 11 pushes the connecting rod 12 to rotate upward and away from the corresponding first support plate 1 , The connecting rod 12 pushes the second sliding block 14 to slide laterally in the corresponding rectangular through hole 13 and away from the first support plate 1 , and the two second sliding blocks 14 are connected to the battery. The housing case 4 is contacted and precisely positioned, and at the same time, the two second sliders 14 drive the two fixed blocks 15 to move laterally and approach each other, and the display controller 9 turns on the two motors 24 , the output shaft of the motor 24 drives the worm 25 to rotate, the worm 25 drives the turbine 23 to rotate in the corresponding groove 21, and the turbine 23 drives the screw 20 to rotate in the corresponding The first through hole 22 and the threaded through hole 19 rotate inside, and the screw rod 20 drives the third slider 18 to slide downward in the corresponding first chute 17, and the third slider 18 moves downward. The block 18 drives the pressing block 16 to slide down on the corresponding fixing block 15 and press the battery pack casing 4, and the display controller 9 turns on the plurality of first push rod motors 5 and In the air pump 7, the output shaft of the first push rod motor 5 drives the air pressure detection sensor 6 to descend and contact the top of the battery pack housing case 4. The air pump 7 passes through the air outlet pipe 8. The cavity is inflated, and a plurality of the air pressure detection sensors 6 are used to detect the air tightness of the battery pack shell box 4, which has strong practicability, simple operation, and can accurately locate and press the battery pack shell box 4. Fixing, effectively avoids the deformation and leakage of the battery pack shell box 4, and improves the efficiency of the detection work.

The above are only the embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (7)

1. a kind of new-energy automobile power battery assembly housing cabinet air-tightness detection device characterized by comprising

Two the first support plates；

Second support plate, the two sides of second support plate are fixedly connected with two first support plates respectively；

Third support plate, the two sides of the third support plate are fixedly connected with two first support plates respectively, and described Three support plates are located at the top of second support plate；

Battery-pack exterior casing cabinet, the battery-pack exterior casing cabinet are located at the top of second support plate, the battery-pack exterior casing Cavity is formed between cabinet and second support plate；

Multiple first push-rod electric machines, multiple first push-rod electric machines are fixedly mounted in second support plate；

Multiple air pressure detection sensors, the top of multiple air pressure detection sensors are electric with corresponding first push rod respectively The bottom end of machine output shaft is fixedly connected, and the bottom of multiple air pressure detection sensors with the battery-pack exterior casing cabinet Top contact；

Air pump, the air pump are fixedly mounted on the bottom of second support plate；

Escape pipe, the escape pipe are fixedly mounted on the air pump, and the top of the escape pipe is through second support Plate；

Display controller, the display controller are fixedly mounted on any first support plate far from second support plate Side；

Two the second push-rod electric machines, it is mutual that two second push-rod electric machines are respectively and fixedly installed to two first support plates Close side, and two second push-rod electric machines are respectively positioned on the lower section of second support plate；

Two the first sliding blocks, two first sliding blocks are slidably mounted on close to each other one of two first support plates respectively Side, and the bottom of two first sliding blocks is fixedly connected with the top of the corresponding second push-rod electric machine output shaft respectively；

Two connecting rods, two connecting rods are respectively hinged on corresponding first sliding block；

Two square type through-holes, two square type through-holes are opened in second support plate；

Two the second sliding blocks, two second sliding blocks are slidably mounted on respectively in the corresponding square type through-hole, and two institutes It states the second sliding block side close to each other to contact with the battery-pack exterior casing cabinet, the top and bottom of second sliding block are equal It extends to outside the corresponding square type through-hole, and the bottom of second sliding block and the top of the corresponding connecting rod are hinged；

Two fixed blocks, two fixed blocks are respectively and fixedly installed to the top of corresponding second sliding block, and two institutes Fixed block side close to each other is stated to contact with the battery-pack exterior casing cabinet；

Two briquettings, two briquettings are slidably mounted on two fixed block sides close to each other, and two institutes respectively The bottom for stating briquetting is contacted at the top of the battery-pack exterior casing cabinet；

Two first sliding grooves, two first sliding grooves are opened in two fixed block sides close to each other respectively；

Two third sliding blocks, two third sliding blocks are slidably mounted on respectively in the corresponding first sliding groove, and two institutes The side that third sliding block side close to each other is located remotely from each other with two briquettings respectively is stated to be fixedly connected；

Two tapped through holes, two tapped through holes are opened in respectively on the corresponding third sliding block；

Two screw rods, two screw rods are threadably mounted at respectively in the corresponding tapped through hole, the top of the screw rod and Bottom end all extends to outside the corresponding tapped through hole；

Two grooves, two grooves are opened in the side that two fixed blocks are located remotely from each other, the bottom of the screw rod respectively End extends in the corresponding groove；

Two first through hole, two first through hole are opened in respectively in the top inner wall of the corresponding groove, and described One through-hole is connected to the corresponding first sliding groove, and the screw rod is rotatably installed in the corresponding first through hole；

Two turbines, two turbines are rotatably installed in respectively in the corresponding groove, and the top of two turbines It is fixedly connected respectively with the bottom end of the corresponding screw rod；

Two motors, two motors are respectively and fixedly installed to the side that two fixed blocks are located remotely from each other, the motor Output shaft extend in the corresponding groove；

Two worm screws, the side that two worm screws are located remotely from each other are respectively and fixedly installed on the output shaft of the corresponding motor, institute Worm screw is stated to engage with the corresponding turbine.

2. new-energy automobile power battery assembly housing cabinet air-tightness detection device according to claim 1, feature exist In, two first support plate sides close to each other offer second sliding slot, opened up on second sliding block there are two Second through-hole, the square type through-hole is interior to be fixedly mounted there are two the first slide bar, and two first slide bars are slidably mounted on respectively In corresponding second through-hole, Four-slider is slidably fitted in the second sliding slot, two Four-sliders mutually lean on The side that close side is located remotely from each other with two first sliding blocks respectively is fixedly connected.

3. new-energy automobile power battery assembly housing cabinet air-tightness detection device according to claim 1, feature exist In offering third through-hole in the top inner wall of the first sliding groove, the third through-hole, and institute are run through in the top of the screw rod It states screw rod to be rotatably installed in the corresponding third through-hole, fixing sleeve is set there are two bearing on the screw rod, two bearings Outer ring is respectively and fixedly installed on the inner wall of the first through hole and the third through-hole.

4. new-energy automobile power battery assembly housing cabinet air-tightness detection device according to claim 2, feature exist In offering fourth hole on the Four-slider, be fixedly installed in the top inner wall and bottom interior wall of the second sliding slot Second slide bar, second sliding bar are mounted in the corresponding fourth hole.

5. new-energy automobile power battery assembly housing cabinet air-tightness detection device according to claim 1, feature exist In, it is fixedly installed with fixture block in the groove, offers fifth hole on the fixture block, the output shaft rotational installation of the motor In the corresponding fifth hole.

6. new-energy automobile power battery assembly housing cabinet air-tightness detection device according to claim 1, feature exist In being fixedly installed with two-direction switch, the model HY2-60 of the two-direction switch on the motor.

7. new-energy automobile power battery assembly housing cabinet air-tightness detection device according to claim 1, feature exist In offering the 6th through-hole at the top of the third sliding block, fixed peace in the top inner wall and bottom interior wall of the first sliding groove Equipped with the same third slide bar, the third sliding bar is mounted in corresponding 6th through-hole.