CN214350659U

CN214350659U - Connecting pipe vanning leak hunting frock

Info

Publication number: CN214350659U
Application number: CN202023254869.9U
Authority: CN
Inventors: 吴耀呈; 江政朗; 石召; 江学凯
Original assignee: Tcl Air Conditioner Jiujiang Co ltd
Current assignee: Tcl Air Conditioner Jiujiang Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-08
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a connecting pipe vanning leak hunting frock, including conveyer, elevating gear, detection device, positioner, elevating gear fixed mounting is on conveyer, and detection device fixed mounting is on elevating gear, and positioner fixed mounting is on conveyer. The lifting device can adjust the height of the detection device; the detection device can automatically adjust the detection position and can detect whether the connecting pipe is neglected to be installed or not through the travel switch; the positioning device can adjust the position of the air conditioner outdoor unit so as to facilitate detection. The utility model discloses fine solution the outer quick-witted connecting pipe of air conditioner hourglass put the problem, guaranteed product quality.

Description

Connecting pipe vanning leak hunting frock

Technical Field

The utility model relates to a frock technical field, in particular to connecting pipe vanning leak hunting frock.

Background

The outer quick-witted workshop is in the production product in-process, need place the interior outer machine of air conditioner respectively one around the connection copper pipe after the product assembly is accomplished, because this process is the last process before the vanning, and one is located the product back, can't accomplish the self-checking again behind the paper case, whether the staff is difficult to discover the connecting pipe neglected loading, and interior outer quick-witted connecting pipe belongs to the air conditioner key material, it will be unable to realize its function to have this material air conditioner, and rely on placing connecting pipe staff self inspection completely now, because be the manual work, can appear leaking in inevitable, consequently lack this material and must receive customer's complaint, influence enterprise image and product quality.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the connecting pipe boxing leakage detection tool is provided, the problem that the connecting pipe of the internal and external machines of the air conditioner is leaked can be solved conveniently and quickly, and the product quality is guaranteed.

To the above technical problem, the technical scheme of the utility model is: the utility model provides a connecting pipe vanning leak hunting frock, includes conveyer, elevating gear, detection device, positioner, elevating gear fixed mounting is on conveyer, and detection device fixed mounting is on elevating gear, and positioner fixed mounting is on conveyer.

The detection device comprises a detection base, a transverse moving motor, a positive thread lead screw support plate, a guide pillar, a positive thread lead screw, a lead screw connecting rod, a negative thread lead screw slide block, a negative thread lead screw support plate, a positive thread lead screw slide block, a first alarm, a second alarm, a first travel switch and a second travel switch, wherein the transverse moving motor is fixedly arranged on the detection base, an output shaft of the transverse moving motor and the positive thread lead screw are fixedly arranged, the positive thread lead screw and the positive thread lead screw support plate are rotatably arranged, the positive thread lead screw support plate is fixedly arranged on the detection base, the guide pillar support plate is fixedly arranged on the detection base, two ends of the guide pillar and the guide pillar support plate are rotatably arranged, the guide pillar and the positive thread lead screw slide block are slidably arranged, the positive thread lead screw and the positive thread lead screw slide block are threadedly arranged, and the second alarm is fixedly arranged on the positive thread lead screw slide block, screw rod's one end fixed mounting is on positive thread lead screw, screw rod's other end fixed mounting is on the anti-thread lead screw, anti-thread lead screw and anti-thread lead screw backup pad rotate the installation, anti-thread lead screw backup pad fixed mounting is on detecting the base, anti-thread lead screw and anti-thread lead screw slider screw thread installation, anti-thread lead screw slider and guide pillar slidable mounting, first siren fixed mounting is on anti-thread lead screw slider, first travel switch fixed mounting is on anti-thread lead screw slider, second travel switch fixed mounting is on positive thread lead screw slider, first travel switch and first siren electric connection, second travel switch and second siren electric connection.

Further, the lifting device comprises a lifting support, a lifting screw support plate, a lifting guide rail, a lifting slider, a lifting screw nut, a lifting screw, a lifting motor, a lifting driving bevel gear, a lifting driven bevel gear, a support seat, a long shaft, a driving bevel gear, a driven bevel gear, a screw nut, a slider, a guide rail and a support plate, wherein the lifting support is fixedly arranged on the conveying device, the lifting screw support plate is fixedly arranged on the lifting guide rail, the lifting slider and the detection base are fixedly arranged, the lifting guide rail is fixedly arranged on the lifting support, the lifting slider is slidably arranged on the lifting guide rail, the lifting slider and the lifting screw nut are fixedly arranged, the lifting screw nut and the lifting screw are in threaded arrangement, one end of the lifting screw is rotatably arranged with the lifting screw support plate, and the other end of the lifting screw is fixedly arranged on the lifting driven bevel gear, the lifting motor is fixedly installed on the lifting support, an output shaft of the lifting motor is fixedly installed with the lifting driving bevel gear, the lifting driving bevel gear is meshed with the lifting driven bevel gear, the supporting seat is fixedly installed on the lifting support, the long shaft and the supporting seat are installed in a rotating mode, one end of the long shaft is fixedly installed on the lifting driving bevel gear, the other end of the long shaft is fixedly installed on the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the driven bevel gear is fixedly installed on the lead screw, the lead screw and the supporting plate are installed in a rotating mode, the lead screw and the lead screw nut are installed in a threaded mode, the lead screw nut is fixedly installed on the sliding block, the sliding block is installed on the guide rail in a sliding mode, the sliding block is fixedly installed with the detection base, the guide rail is fixedly installed on the lifting support, and the supporting plate is fixedly installed on the guide rail.

Furthermore, the positioning device comprises a positioning support, a positioning motor base, a driving pulley, a driven pulley, a first gear, a second gear, a third gear, a positioning driving pulley, a positioning driven pulley, a positioning driving rod, a positioning driven rod, a positioning connecting rod, a positioning plate fixing seat and a positioning plate, wherein the positioning support is fixedly arranged on the conveying device, the positioning motor base is fixedly arranged on the positioning support, the positioning motor is fixedly arranged on the positioning motor base, an output shaft of the positioning motor is fixedly arranged with the driving pulley, the driving pulley is connected with the driven pulley through a belt, the first gear is fixedly arranged with the driven pulley, the first gear is rotatably arranged with the positioning support, the driving pulley is fixedly arranged with the second gear, the second gear is engaged with the third gear, the third gear is rotatably arranged with the positioning support, and the positioning driving pulley is fixedly arranged on the first gear, the positioning driving belt wheel is connected with the positioning driven belt wheel through a belt, the positioning driving rod is fixedly installed on the positioning driving belt wheel, the positioning driven rod is fixedly installed on the positioning driven belt wheel, one end of the positioning connecting rod and the positioning driving rod are installed in a rotating mode, the other end of the positioning connecting rod and the positioning driven rod are installed in a rotating mode, the positioning plate fixing seat is fixedly installed on the positioning connecting rod, and the positioning plate is fixedly installed on the positioning plate fixing seat.

Furthermore, the slide rail of the lifting guide rail is a T-shaped slide rail, and a T-shaped slide block is arranged on the lifting slide block.

Furthermore, the number of the supporting seats is two, and the two supporting seats are respectively positioned on two sides of the long shaft.

Furthermore, the number of the guide posts is two, and the two guide posts are respectively positioned on two sides of the screw rod connecting rod.

Furthermore, the reverse-thread lead screw is provided with threads, the positive-thread lead screw is provided with threads, and the threads of the reverse-thread lead screw and the threads of the positive-thread lead screw are opposite in direction.

Furthermore, the positive thread lead screw slider is provided with threads, the threads on the positive thread lead screw slider are matched with the threads of the positive thread lead screw, the reverse thread lead screw slider is provided with threads, and the threads on the reverse thread lead screw slider are matched with the threads of the reverse thread lead screw.

Compared with the prior art, the utility model beneficial effect be: (1) the positioning device of the utility model can automatically adjust the position of the air conditioner external unit, so as to detect whether the connecting pipe is neglected to be installed; (2) the utility model can automatically adjust the detection device to a proper position through the matching of the lifting device and the detection device; (3) the utility model can automatically detect whether the connecting pipe of the internal and external machines of the air conditioner is neglected, and can send out an alarm; (4) the utility model discloses simple structure, degree of automation is high to workman's working time can be saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the lifting device of the present invention.

Fig. 3 is a schematic structural diagram of the detection device of the present invention.

Fig. 4 is a detailed schematic view of the detecting device of the present invention.

Fig. 5 is a schematic structural view of the positioning device of the present invention.

Fig. 6 is a detailed schematic view of the positioning device of the present invention.

Reference numerals: 1-a transfer device; 2-a lifting device; 3-a detection device; 4-a positioning device; 201-lifting support; 202-lifting screw support plate; 203-lifting guide rails; 204-lifting slide block; 205-lifting screw nut; 206-lifting screw rod; 207-a lifting motor; 208-lifting drive bevel gear; 209-lifting driven bevel gear; 210-a support base; 211-long axis; 212-drive bevel gear; 213-driven bevel gear; 214-lead screw; 215-lead screw nut; 216-a slider; 217-a guide rail; 218-a support plate; 301-detection base; 302-traversing motor; 303-positive thread lead screw supporting plate; 304-guide post support plate; 305-a guide pillar; 306-a positive thread lead screw; 307-lead screw connecting rod; 308-a reverse-threaded lead screw; 309-reverse thread screw slider; 310-a reverse-threaded lead screw support plate; 311-positive thread lead screw slide block; 312-a first alarm; 313-a second alarm; 314-a first travel switch; 315-second travel switch; 401-positioning a stent; 402-a positioning motor; 403-positioning the motor base; 404-a driving pulley; 405-a driven pulley; 406-a first gear; 407-a second gear; 408-a third gear; 409-positioning a driving belt pulley; 410-positioning the driven pulley; 411-positioning active lever; 412-positioning the follower link; 413-positioning link; 414-positioning plate fixing seat; 415-positioning plate.

Detailed Description

The present invention will be further described with reference to specific embodiments, illustrative embodiments and description of which are provided herein to explain the present invention, but not to limit the present invention.

Example (b): as shown in fig. 1-6, the connecting pipe boxing leakage detection tool comprises a conveying device 1, a lifting device 2, a detection device 3 and a positioning device 4, wherein the lifting device 2 is fixedly installed on the conveying device 1, the detection device 3 is fixedly installed on the lifting device 2, and the positioning device 4 is fixedly installed on the conveying device 1.

As shown in the detection device 3 shown in FIG. 3 and FIG. 4, a traverse motor 302 is fixedly installed on a detection base 301, an output shaft of the traverse motor 302 and a positive thread lead screw 306 are fixedly installed, the positive thread lead screw 306 and a positive thread lead screw support plate 303 are rotatably installed, the positive thread lead screw support plate 303 is fixedly installed on the detection base 301, a guide post support plate 304 is fixedly installed on the detection base 301, both ends of a guide post 305 and the guide post support plate 304 are rotatably installed, the guide post 305 and a positive thread lead screw slider 311 are slidably installed, the positive thread lead screw 306 and a positive thread lead screw slider 311 are rotatably installed, a second alarm 313 is fixedly installed on the positive thread lead screw slider 311, one end of a lead screw connecting rod 307 is fixedly installed on the positive thread lead screw 306, the other end of the lead screw connecting rod 307 is fixedly installed on a negative thread lead screw 308, the negative thread lead screw 308 and a negative thread lead screw support plate 310 are rotatably installed, the negative thread lead screw support plate 310 is fixedly installed on the detection base 301, the reverse-thread lead screw 308 and the reverse-thread lead screw slider 309 are installed in a threaded mode, the reverse-thread lead screw slider 309 and the guide post 305 are installed in a sliding mode, the first alarm 312 is fixedly installed on the reverse-thread lead screw slider 309, the first travel switch 314 is fixedly installed on the reverse-thread lead screw slider 309, the second travel switch 315 is fixedly installed on the positive-thread lead screw slider 311, the first travel switch 314 is electrically connected with the first alarm 312, and the second travel switch 315 is electrically connected with the second alarm 313. The positive thread screw supporting plate 303 is started, the positive thread screw supporting plate 303 drives the positive thread screw 306, the screw connecting rod 307 and the negative thread screw 308 to rotate, the positive thread screw 306 and the negative thread screw 308 drive the positive thread screw slider 311 and the negative thread screw slider 309 to simultaneously move inwards or outwards, so that the first travel switch 314 and the second travel switch 315 simultaneously move inwards or outwards, the first travel switch 314 and the second travel switch 315 are adjusted to proper positions, when the air conditioner outdoor unit flows through the detection device, the travel switch firstly utilizes the self shell of the air conditioner outdoor unit to touch and start a first section of travel signal, products continuously flow, the travel switch utilizes the diameter size of the connecting pipe to touch and start a second section of travel, the detection is completed, if the travel switch is started in two sections, the connecting pipe is installed, and any one travel switch does not carry out two-section starting, the signal is transmitted to the alarm, and starting an alarm to detect the problem of missed placement of the connecting pipe.

As shown in fig. 2, in the lifting device 2, a lifting bracket 201 is fixedly installed on a conveying device 1, a lifting screw support plate 202 is fixedly installed on a lifting guide rail 203, a lifting slider 204 and a detection base 301 are fixedly installed, the lifting guide rail 203 is fixedly installed on the lifting bracket 201, the lifting slider 204 is slidably installed on the lifting guide rail 203, the lifting slider 204 and a lifting screw nut 205 are fixedly installed, the lifting screw nut 205 and a lifting screw 206 are threadedly installed, one end of the lifting screw 206 and the lifting screw support plate 202 are rotatably installed, the other end of the lifting screw 206 is fixedly installed on a lifting driven bevel gear 209, a lifting motor 207 is fixedly installed on the lifting bracket 201, an output shaft of the lifting motor 207 and a lifting driving bevel gear 208 are fixedly installed, the lifting driving bevel gear 208 and the lifting driven bevel gear 209 are engaged with each other, a support base 210 is fixedly installed on the lifting bracket 201, the long shaft 211 and the supporting seat 210 are rotatably installed, one end of the long shaft 211 is fixedly installed on the lifting drive bevel gear 208, the other end of the long shaft 211 is fixedly installed on the drive bevel gear 212, the drive bevel gear 212 and the driven bevel gear 213 are installed in a meshed mode, the driven bevel gear 213 is fixedly installed on the lead screw 214, the lead screw 214 and the supporting plate 218 are rotatably installed, the lead screw 214 and the lead screw nut 215 are installed in a threaded mode, the lead screw nut 215 is fixedly installed on the sliding block 216, the sliding block 216 is installed on the guide rail 217 in a sliding mode, the sliding block 216 and the detection base 301 are fixedly installed, the guide rail 217 is fixedly installed on the lifting support 201, and the supporting plate 218 is fixedly installed on the guide rail 217. The lifting motor 207 is started, the lifting motor 207 drives the lifting driving bevel gear 208, the long shaft 211 and the driving bevel gear 212 to rotate, the lifting driving bevel gear 208 drives the lifting driven bevel gear 209 and the lifting screw 206 to rotate, the lifting screw 206 drives the lifting slider 204 and the lifting screw nut 205 to lift, meanwhile, the driving bevel gear 212 drives the driven bevel gear 213 and the screw 214 to rotate, the screw 214 drives the screw nut 215 and the slider 216 to lift, the lifting slider 204 and the slider 216 lift simultaneously, the detection device 3 is driven to lift, and the detection device 3 is adjusted to be at a proper height.

As shown in fig. 5 and 6, in the positioning device 4, a positioning bracket 401 is fixedly mounted on the conveying device 1, a positioning motor base 403 is fixedly mounted on the positioning bracket 401, a positioning motor 402 is fixedly mounted on the positioning motor base 403, an output shaft of the positioning motor 402 and a driving pulley 404 are fixedly mounted, the driving pulley 404 and a driven pulley 405 are connected by a belt, a first gear 406 and the driven pulley 405 are fixedly mounted, the first gear 406 and the positioning bracket 401 are rotatably mounted, the driving pulley 404 and a second gear 407 are fixedly mounted, the second gear 407 and a third gear 408 are meshed and mounted, the third gear 408 and the positioning bracket 401 are rotatably mounted, a positioning driving pulley 409 is fixedly mounted on the first gear 406, a positioning driving pulley 409 and a positioning driven pulley 410 are connected by a belt, a positioning driving rod 411 is fixedly mounted on the positioning driving pulley 409, a positioning driven rod 412 is fixedly mounted on the positioning driven pulley 410, one end of the positioning link 413 is rotatably mounted to the positioning driving rod 411, the other end of the positioning link 413 is rotatably mounted to the positioning driven rod 412, the positioning plate fixing seat 414 is fixedly mounted to the positioning link 413, and the positioning plate 415 is fixedly mounted to the positioning plate fixing seat 414. The positioning motor 402 is started, the positioning motor 402 drives the driving pulley 404 and the second gear 407 to rotate, the second gear 407 drives the third gear 408 to rotate, the driving pulley 404 drives the driven pulley 405, the first gear 406 and the positioning driving pulley 409 to rotate, so that the rotation directions of the third gear 408 and the first gear 406 are opposite, the positioning driving pulley 409 and the positioning driven pulley 410 rotate simultaneously under the action of a belt to drive the positioning driving rod 411 and the positioning driven rod 412 to rotate simultaneously, and the positioning connecting rod 413, the positioning plate fixing seat 414 and the positioning plate 415 on two sides move inwards or outwards simultaneously, thereby achieving the purpose of correcting the position of the air conditioner external unit.

Claims

1. The utility model provides a connecting pipe vanning leak hunting frock, includes conveyer (1), elevating gear (2), detection device (3), positioner (4), elevating gear (2) fixed mounting is on conveyer (1), and detection device (3) fixed mounting is on elevating gear (2), and positioner (4) fixed mounting is on conveyer (1), its characterized in that: the detection device (3) comprises a detection base (301), a traverse motor (302), a positive thread lead screw support plate (303), a guide post support plate (304), a guide post (305), a positive thread lead screw (306), a lead screw connecting rod (307), a negative thread lead screw (308), a negative thread lead screw slider (309), a negative thread lead screw support plate (310), a positive thread lead screw slider (311), a first alarm (312), a second alarm (313), a first travel switch (314) and a second travel switch (315), wherein the traverse motor (302) is fixedly arranged on the detection base (301), an output shaft of the traverse motor (302) and the positive thread lead screw (306) are fixedly arranged, the positive thread lead screw (306) and the positive thread lead screw support plate (303) are rotatably arranged, the positive thread lead screw support plate (303) is fixedly arranged on the detection base (301), the guide post support plate (304) is fixedly arranged on the detection base (301), two ends of a guide post (305) and a guide post supporting plate (304) are rotatably installed, the guide post (305) and a positive thread lead screw sliding block (311) are slidably installed, a positive thread lead screw (306) and the positive thread lead screw sliding block (311) are threadedly installed, a second alarm (313) is fixedly installed on the positive thread lead screw sliding block (311), one end of a lead screw connecting rod (307) is fixedly installed on the positive thread lead screw (306), the other end of the lead screw connecting rod (307) is fixedly installed on a negative thread lead screw (308), the negative thread lead screw (308) and the negative thread lead screw supporting plate (310) are rotatably installed, the negative thread lead screw supporting plate (310) is fixedly installed on a detection base (301), the negative thread lead screw (308) and the negative thread lead screw sliding block (309) are threadedly installed, the negative thread lead screw sliding block (309) and the guide post (305) are slidably installed, and a first alarm (312) is fixedly installed on the negative thread lead screw sliding block (309), the first travel switch (314) is fixedly installed on the reverse thread lead screw sliding block (309), the second travel switch (315) is fixedly installed on the positive thread lead screw sliding block (311), the first travel switch (314) is electrically connected with the first alarm (312), and the second travel switch (315) is electrically connected with the second alarm (313).

2. The connecting pipe vanning leak detection tool of claim 1, characterized in that: the lifting device (2) comprises a lifting support (201), a lifting lead screw support plate (202), a lifting guide rail (203), a lifting slider (204), a lifting lead screw nut (205), a lifting lead screw (206), a lifting motor (207), a lifting drive bevel gear (208), a lifting driven bevel gear (209), a support seat (210), a long shaft (211), a drive bevel gear (212), a driven bevel gear (213), a lead screw (214), a lead screw nut (215), a slider (216), a guide rail (217) and a support plate (218), wherein the lifting support (201) is fixedly arranged on the conveying device (1), the lifting lead screw support plate (202) is fixedly arranged on the lifting guide rail (203), the lifting slider (204) and the detection base (301) are fixedly arranged, the lifting guide rail (203) is fixedly arranged on the lifting support (201), and the lifting slider (204) is slidably arranged on the lifting guide rail (203), a lifting slide block (204) and a lifting screw nut (205) are fixedly installed, the lifting screw nut (205) and a lifting screw (206) are installed in a threaded manner, one end of the lifting screw (206) and a lifting screw support plate (202) are rotatably installed, the other end of the lifting screw (206) is fixedly installed on a lifting driven bevel gear (209), a lifting motor (207) is fixedly installed on a lifting support (201), an output shaft of the lifting motor (207) and a lifting driving bevel gear (208) are fixedly installed, the lifting driving bevel gear (208) and the lifting driven bevel gear (209) are installed in a meshed manner, a support seat (210) is fixedly installed on the lifting support (201), a long shaft (211) and the support seat (210) are rotatably installed, one end of the long shaft (211) is fixedly installed on the lifting driving bevel gear (208), and the other end of the long shaft (211) is fixedly installed on the driving bevel gear (212), the driving bevel gear (212) and the driven bevel gear (213) are mounted in a meshed mode, the driven bevel gear (213) is fixedly mounted on a lead screw (214), the lead screw (214) and a supporting plate (218) are mounted in a rotating mode, the lead screw (214) and a lead screw nut (215) are mounted in a threaded mode, the lead screw nut (215) is fixedly mounted on a sliding block (216), the sliding block (216) is mounted on a guide rail (217) in a sliding mode, the sliding block (216) and a detection base (301) are fixedly mounted, the guide rail (217) is fixedly mounted on a lifting support (201), and the supporting plate (218) is fixedly mounted on the guide rail (217).

3. The connecting pipe vanning leak detection tool of claim 2, characterized in that: the positioning device (4) comprises a positioning support (401), a positioning motor (402), a positioning motor base (403), a driving pulley (404), a driven pulley (405), a first gear (406), a second gear (407), a third gear (408), a positioning driving pulley (409), a positioning driven pulley (410), a positioning driving rod (411), a positioning driven rod (412), a positioning connecting rod (413), a positioning plate fixing seat (414) and a positioning plate (415), wherein the positioning support (401) is fixedly arranged on the conveying device (1), the positioning motor base (403) is fixedly arranged on the positioning support (401), the positioning motor (402) is fixedly arranged on the positioning motor base (403), an output shaft of the positioning motor (402) is fixedly arranged with the driving pulley (404), the driving pulley (404) is connected with the driven pulley (405) through a belt, the first gear (406) is fixedly arranged with the driven pulley (405), the positioning device comprises a first gear (406) and a positioning support (401) which are rotatably installed, a driving pulley (404) and a second gear (407) are fixedly installed, the second gear (407) and a third gear (408) are installed in a meshed mode, the third gear (408) and the positioning support (401) are rotatably installed, a positioning driving pulley (409) is fixedly installed on the first gear (406), the positioning driving pulley (409) and a positioning driven pulley (410) are connected through a belt, a positioning driving rod (411) is fixedly installed on the positioning driving pulley (409), a positioning driven rod (412) is fixedly installed on the positioning driven pulley (410), one end of a positioning connecting rod (413) and the positioning driving rod (411) are rotatably installed, the other end of the positioning connecting rod (413) and the positioning driven rod (412) are rotatably installed, a positioning plate fixing seat (414) is fixedly installed on the positioning connecting rod (413), and a positioning plate (415) is fixedly installed on a positioning plate fixing seat (414).

4. The connecting pipe vanning leak detection tool of claim 3, characterized in that: the slide rail of the lifting guide rail (203) is a T-shaped slide rail, and a T-shaped slide block is arranged on the lifting slide block (204).

5. The connecting pipe vanning leak detection tool of claim 3, characterized in that: the number of the supporting seats (210) is two, and the two supporting seats (210) are respectively positioned on two sides of the long shaft (211).

6. The connecting pipe vanning leak detection tool of claim 3, characterized in that: the number of the guide columns (305) is two, and the two guide columns (305) are respectively positioned on two sides of the lead screw connecting rod (307).

7. The connecting pipe vanning leak detection tool of claim 3, characterized in that: the reverse-thread screw rod (308) is provided with threads, the positive-thread screw rod (306) is provided with threads, and the threads of the reverse-thread screw rod (308) and the threads of the positive-thread screw rod (306) are opposite in direction.

8. The connecting pipe vanning leak detection tool of claim 3, characterized in that: the screw thread is arranged on the positive thread screw rod sliding block (311), the screw thread on the positive thread screw rod sliding block (311) is matched with the screw thread of the positive thread screw rod (306), the screw thread is arranged on the negative thread screw rod sliding block (309), and the screw thread on the negative thread screw rod sliding block (309) is matched with the screw thread of the negative thread screw rod (308).