CN113686515A

CN113686515A - A water-cooled motor casing gas seal detection device

Info

Publication number: CN113686515A
Application number: CN202110989024.4A
Authority: CN
Inventors: 李军
Original assignee: Xuzhou Kangxiang Precision Manufacturing Co ltd
Current assignee: Xuzhou Kangxiang Precision Manufacturing Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-11-23
Anticipated expiration: 2041-08-26
Also published as: CN113686515B

Abstract

The invention discloses a water-cooled motor casing gas seal detection device, comprising a motor casing gas seal detection device. The motor casing gas seal detection device is composed of a conveyor, a conductor, a rolling push mechanism, a high-pressure gas injection chamber and a negative pressure detection chamber , the conveyor is a three-stage structure and is respectively conveyor 1, conveyor 2 and conveyor 3. The conductors are divided into two groups and are installed at the ends of conveyor 1 and conveyor 2 respectively. The high-pressure gas injection chamber is installed in the conveyor. Between conveyor 1 and conveyor 2, the negative pressure detection chamber is installed between conveyor 2 and conveyor 3, and the rolling push mechanism is built into the interior of the high-pressure gas injection chamber. In the present invention, a rolling push mechanism is designed in the high-pressure gas injection chamber, which can adjust the angle of the shell to a certain extent during the transmission process, and the built-in flipping mechanism can be used to flip the shell and perform all-round testing, which greatly improves the equipment for The effect of air-tightness detection of water-cooled motor housing.

Description

Water-cooled machine shell atmoseal detection device

Technical Field

The invention relates to the technical field of detection devices for shells of cold water motors, in particular to a gas seal detection device for a shell of a water cooling motor.

Background

The water-cooling high-temperature resistant special variable frequency motor is an internal circulation water-cooling variable frequency speed control special motor which is developed and designed according to the requirements of a metallurgical continuous casting machine and working conditions of a billet discharging site on the basis of series motors such as variable frequency speed control, a special roller way, multi-speed for a furnace and the like, has a brushless structure, excellent load characteristic, good low-speed performance, large starting torque and small starting current, meets the requirement of frequent starting of an electric vehicle, saves electric energy, and has the advantages that the water-cooling motor runs efficiently in the whole speed range, and the efficiency is qualitatively improved compared with a brushed direct current water-cooling motor and an alternating current variable frequency water-cooling motor (the efficiency is high only near a rated point), the driving mileage of the vehicle is obviously improved, and the service life of a battery is obviously prolonged; the spark is not generated, the carbon brush does not need to be replaced, the structure is compact, the overload capacity is strong, and the service life is long; the water-cooled motor adopts the inserted rare earth magnetic steel, and is particularly suitable for the requirements of bumping, repeated starting, high speed, strong force starting rejection and forward and reverse rotation operation; the rotor of the water-cooled motor has a strong magnetic field, the power generation effect is good in sliding and braking states, battery power excitation is not required (required by a brushed direct current water-cooled motor or an alternating current water-cooled motor), the energy feedback effect is good, the electric braking effect is good, the requirement of the water-cooled motor on the air sealing performance of a machine body is high, and the air sealing performance of a motor shell is required to be detected and processed in the production process.

However, the existing air seal detection method for the water-cooled motor shell has the following problems: (1) the traditional water soaking detection (water detection method) is used for testing the sealing performance of the water-cooled motor, the efficiency is low, the detection is not intuitive, and a tiny leakage port is difficult to detect; (2) the existing mode for detecting the air seal performance of the water-cooled motor shell is low in automation and intelligence degree, large-batch detection cannot be carried out, a sampling detection mode is generally adopted, the detection efficiency is low, and the effect is not good. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

Disclosure of Invention

The invention aims to provide a water-cooled motor shell air seal detection device, which solves the technical problems that the traditional bubble water detection (water detection method) is used for testing the air seal of a water-cooled motor, the efficiency is low, the detection is not intuitive, a tiny leakage port is difficult to detect, the automation and the intelligent degree of the existing mode for detecting the air seal of the water-cooled motor shell are low, the large-batch detection cannot be carried out, and a sampling detection mode is generally adopted, so that the detection efficiency is low and the effect is poor.

In order to achieve the purpose, the invention provides the following technical scheme: a water-cooling motor shell air seal detection device comprises a motor shell air seal detection device, wherein the motor shell air seal detection device is composed of a conveyor, a conductor, a rolling material pushing mechanism, a high-pressure air injection chamber and a negative pressure detection chamber, the conveyor is of a three-section structure and is respectively a conveyor I, a conveyor II and a conveyor III, the conductor is respectively provided with two groups of conductors which are respectively arranged at the tail ends of the conveyor I and the conveyor II, the high-pressure air injection chamber is arranged between the conveyor I and the conveyor II, the negative pressure detection chamber is arranged between the conveyor II and the conveyor III, the rolling material pushing mechanism is internally arranged in the high-pressure air injection chamber and comprises a rolling plate and an installation opening arranged in the middle of the rolling plate, a turnover mechanism is arranged in the installation opening, a nitrogen sensor is arranged in the negative pressure detection chamber, and the nitrogen sensor is connected with a controller through a line, the two ends of the high-pressure gas injection chamber and the negative pressure detection chamber are provided with a leading-in port and a leading-out port, the top of the high-pressure gas injection chamber and the negative pressure detection chamber is provided with an electric push rod, the top of the electric push rod is provided with a transverse plate, two groups of sealing plates are symmetrically arranged at the two ends of the transverse plate, and the two groups of sealing plates are respectively arranged at the leading-in port and the leading-out port.

As a preferred embodiment of the present invention, the conductor includes a main platform with a slope formed on the right side and a plurality of sets of rotating rollers embedded on the slope, wherein gears are installed at one ends of the plurality of sets of rotating rollers, two adjacent sets of gears are engaged and connected, a micro motor is disposed at the gear on the top, and a power output end of the micro motor is connected with the gears.

As a preferred embodiment of the invention, the high-pressure gas injection chamber consists of a first roller, an auxiliary cylinder, a driver, a gas pipe, a booster pump and a nitrogen box, wherein the auxiliary cylinder is movably arranged at the left end of the first roller, a plurality of groups of racks are uniformly arranged on the surface of the auxiliary cylinder, the lower ends of the racks are connected with the driver in a matching way, a rotating ring is embedded at the left end of the auxiliary cylinder, the gas pipe is arranged on the rotating ring, the outer end of the gas pipe is connected with the booster pump, and the outer end of the booster pump is connected with the nitrogen box through the gas pipe.

As a preferred embodiment of the present invention, an annular air guide groove is formed in the auxiliary cylinder, and a plurality of groups of nozzles are uniformly installed on the inner wall of the auxiliary cylinder, and the plurality of groups of nozzles are communicated with the annular air guide groove.

In a preferred embodiment of the present invention, the driver includes a servo motor and a driving wheel mounted on a power output end of the servo motor, and the driving wheel is engaged with the auxiliary cylinder and connected with the controller through a line.

As a preferred embodiment of the invention, the negative pressure detection chamber comprises a second roller and a gas transmission pipe connected with the second roller, the outer end of the gas transmission pipe is connected with a negative pressure pump, and the negative pressure pump is connected with a gas storage barrel through the gas transmission pipe.

As a preferred embodiment of the present invention, the material rolling plate includes an arc-shaped plate having a plurality of groups of notches formed on a surface thereof, and a driving roller uniformly installed in the notches, and both the notches and the driving roller are arranged in an inclined manner.

As a preferred embodiment of the invention, the turnover mechanism comprises a hydraulic cylinder and two groups of arc-shaped top plates arranged at the power output end of the hydraulic cylinder, the two groups of arc-shaped top plates are arranged in parallel, rubber pads are wrapped on the surfaces of the two groups of arc-shaped top plates, connecting rods extend from the two ends of each arc-shaped top plate, and the connecting rods are arranged on the inner wall of the mounting opening in a sliding manner.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention designs a device specially used for detecting the air seal performance of a water-cooling motor shell, which mainly comprises a conveyor, a transmitter, a rolling material pushing mechanism, a high-pressure air injection chamber and a negative pressure detection chamber, wherein the water-cooling motor shell can be conveyed into the high-pressure air injection chamber through the conveyor and the transmitter, nitrogen is injected into the shell by the high-pressure air injection chamber in a high-pressure mode, the shell is transmitted into the negative pressure detection chamber through the conveyor and the transmitter, the entering water-cooling motor shell is detected through the negative pressure detection chamber, whether the water-cooling motor shell contains the nitrogen is detected by using the negative pressure mode and matching with a detection sensor, when the nitrogen reaches a certain numerical value, the problem that the water-cooling motor shell has insufficient seal performance is displayed, otherwise, the water-cooling motor shell is a qualified product, and the whole operation process adopts an automatic operation mode, can carry out the gas tightness to large batch motor housing simultaneously and detect, equipment automation and intelligent degree are high.

2. According to the invention, the rolling material pushing mechanism is designed in the high-pressure gas injection chamber, so that the angle of the shell can be adjusted to a certain degree in the conveying process, the shell can be turned over by using the built-in turning mechanism, the comprehensive detection can be carried out, and the effect of the equipment on the gas seal detection of the water-cooling motor shell is greatly improved.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a block diagram of a conductor according to the present invention;

FIG. 3 is a view of the construction of the secondary cartridge of the present invention;

FIG. 4 is a view of the structure of the rolling pushing mechanism of the present invention;

fig. 5 is a view showing the structure of the arc-shaped top plate according to the present invention.

In the figure, 1, a conveyor; 2. a conductor; 3. a rolling pushing mechanism; 4. a high pressure gas injection chamber; 5. a negative pressure detection chamber; 6. a first conveyor; 7. a second conveyor; 8. a third conveyor; 9. a material rolling plate; 10. an installation port; 11. a turnover mechanism; 12. a nitrogen sensor; 13. a controller; 14. an inlet port; 15. a lead-out port; 16. an electric push rod; 17. a transverse plate; 18. closing the plate; 19. a slope surface; 20. a main station; 21. a rotating roller; 22. a gear; 23. a micro motor; 24. a first roller; 25. an auxiliary cylinder; 26. a driver; 27. a gas delivery pipe; 28. a booster pump; 29. a nitrogen box; 30. a rack; 31. a rotating ring; 32. an annular air guide groove; 33. a spray head; 34. a servo motor; 35. a drive wheel; 36. a second roller; 37. a negative pressure pump; 38. a notch; 39. an arc-shaped plate; 40. a drive roller; 41. a hydraulic cylinder; 42. an arc-shaped top plate; 43. a rubber pad; 44. a connecting rod; 45. a gas storage barrel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, the present invention provides a technical solution: a water-cooling motor housing air seal detection device comprises a motor housing air seal detection device, wherein the motor housing air seal detection device is composed of a conveyor 1, a conductor 2, a rolling material pushing mechanism 3, a high-pressure gas injection chamber 4 and a negative pressure detection chamber 5, the conveyor 1 is of a three-section structure and is respectively a conveyor I6, a conveyor II 7 and a conveyor III 8, the conductor 2 is respectively provided with two groups and is respectively installed at the tail ends of the conveyor I6 and the conveyor II 7, the high-pressure gas injection chamber 4 is installed between the conveyor I6 and the conveyor II 7, the negative pressure detection chamber 5 is installed between the conveyor II 7 and the conveyor III, the rolling material pushing mechanism 3 is arranged inside the high-pressure gas injection chamber 4, the rolling material pushing mechanism 3 comprises a rolling material plate 9 and an installation port 10 arranged in the middle of the rolling material plate 9, a turnover mechanism 11 is arranged in the installation port 10, a nitrogen sensor 12 is arranged in the negative pressure detection chamber 5, the nitrogen sensor 12 is connected with a controller 13 through a line, the two ends of the high-pressure gas injection chamber 4 and the negative pressure detection chamber 5 are both provided with an inlet 14 and an outlet 15, the top of the high-pressure gas injection chamber and the top of the negative pressure detection chamber are provided with an electric push rod 16, the top of the electric push rod 16 is provided with a transverse plate 17, two ends of the transverse plate 17 are symmetrically provided with two groups of sealing plates 18, and the two groups of sealing plates 18 are respectively arranged at the inlet 14 and the outlet 15.

Embodiment 2, as shown in fig. 2, the technical solution of this embodiment is a conductor 2 installed on the motor housing air-seal detection device, the conductor 2 includes a main table 20 with a slope 19 formed on the right side and a plurality of groups of rotating rollers 21 embedded on the slope 19, gears 22 are installed at one ends of the plurality of groups of rotating rollers 21, two adjacent groups of gears 22 are in meshed connection, a micro motor 23 is arranged at the gear 22 located at the top, and a power output end of the micro motor 23 is connected with the gear 22, so that the conductor is conveniently guided from the conveyor 1 to the rolling material pushing mechanism 3.

Embodiment 3, as shown in fig. 1, the technical scheme of this embodiment is that the high-pressure gas injection chamber 4 is installed on the motor housing gas seal detection device, the high-pressure gas injection chamber 4 is composed of a drum 24, an auxiliary cylinder 25, a driver 26, a gas pipe 27, a booster pump 28 and a nitrogen tank 29, the auxiliary cylinder 25 is movably installed at the left end of the drum 24, a plurality of sets of racks 30 are uniformly arranged on the surface of the auxiliary cylinder 25, the lower ends of the racks 30 are connected with the driver 26 in a matching manner, a rotating ring 31 is embedded in the left end of the auxiliary cylinder 25, the gas pipe 27 is installed on the rotating ring 31, the outer end of the booster pump 28 is connected with the nitrogen tank 29 through the gas pipe 27, nitrogen is introduced into the motor housing in a boosting manner through the booster pump 28, and subsequent gas seal detection processing is facilitated.

The auxiliary cylinder 25 is internally provided with an annular air guide groove 32, a plurality of groups of nozzles 33 are uniformly arranged on the inner wall of the auxiliary cylinder, and the plurality of groups of nozzles 33 are communicated with the annular air guide groove 32.

The driver 26 comprises a servo motor 34 and a driving wheel 35 arranged at the power output end of the servo motor 34, the driving wheel 35 is meshed with the auxiliary cylinder 25 and connected with the controller 13 through a line, the servo motor 34 drives the driving wheel 35 to rotate, the driving wheel 35 drives the auxiliary cylinder 25 to rotate in the rotating process, and the auxiliary cylinder 25 rotates to perform more comprehensive gas injection treatment on the shell through the spray head 33.

Embodiment 4, as shown in fig. 1, the technical scheme of this embodiment is a negative pressure detection chamber 5 installed on the above motor housing air seal detection apparatus, the negative pressure detection chamber 5 includes a second roller 36 and an air pipe 27 connected with the second roller 36, the outer end of the air pipe 27 is connected with a negative pressure pump 37, the negative pressure pump 37 is connected with an air storage tank 45 through the air pipe 27, the negative pressure pump 37 can enable the environment of negative pressure in the negative pressure detection chamber 5 to be convenient for guiding out nitrogen gas in the motor housing, and the problem that the housing has insufficient sealing performance if the nitrogen gas is guided out is solved.

Embodiment 5, as shown in fig. 4, the technical scheme of this embodiment is that the material rolling plate 9 is installed on the motor housing air-seal detection device, the material rolling plate 9 includes an arc-shaped plate 39 with a plurality of groups of notches 38 formed in the surface thereof and a driving roller 40 uniformly installed in the notches 38, and the notches 38 and the driving roller 40 are both arranged in an inclined manner, so that the housing can be conveniently moved and adjusted by the design mode.

Specifically, tilting mechanism 11 includes pneumatic cylinder 41 and installs in 41 power take off's of pneumatic cylinder two sets of arc roof 42, and two sets of arc roof 42 parallel arrangement and surface coating have a rubber pad 43, and the both ends of arc roof 42 extend there is connecting rod 44, and connecting rod 44 slides and sets up on the inner wall of installing port 10, and the two sets of arc roof 42 of top of moving through pneumatic cylinder 41 are convenient for overturn the motor housing and handle, reach the omnidirectional detection of shell and handle.

When in use: the invention designs a special device for detecting the air seal performance of a water-cooling motor shell, which mainly comprises a conveyor 1, a transmitter 2, a rolling material pushing mechanism 3, a high-pressure air injection chamber 4 and a negative pressure detection chamber 5, wherein the conveyor 1 and the transmitter 2 can convey the water-cooling motor shell into the high-pressure air injection chamber 4, the high-pressure air injection chamber 4 is used for injecting nitrogen into the shell in a high-pressure mode, the shell is transmitted into the negative pressure detection chamber 5 through the conveyor 1 and the transmitter 2, the negative pressure detection chamber 5 is used for detecting the entering water-cooling motor shell, a negative pressure mode is used and a detection sensor is matched to detect whether the nitrogen is contained in the water-cooling motor shell, when the nitrogen reaches a certain value, the problem that the air seal performance of the water-cooling motor shell is insufficient is displayed, otherwise, the water-cooling motor shell is a qualified product, an automatic operation mode is adopted in the whole operation process, can carry out the gas tightness to large batch motor housing simultaneously and detect, equipment automation and intelligent degree are high, are designed with roll pushing equipment 3 in the high-pressure air injection chamber 4 in addition and can carry out the regulation of certain degree and utilize built-in tilting mechanism 11 to the angle of the in-process shell of conveying, can overturn the shell, carry out the detection of full aspect, improve the effect that equipment detected to water-cooled motor housing gas seal nature greatly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A water-cooled motor housing gas seal detection device, comprising a motor housing gas seal detection device, characterized in that: the motor housing gas seal detection device is composed of a conveyor (1), a conductor (2), a rolling push mechanism ( 3), a high pressure gas injection chamber (4) and a negative pressure detection chamber (5), the conveyor (1) is a three-stage structure and is respectively a conveyor one (6), a conveyor two (7) and a conveyor Machine three (8), the conductors (2) are divided into two groups and are respectively installed at the ends of conveyor one (6) and conveyor two (7), and the high-pressure gas injection chamber (4) is installed on the conveyor Between the first (6) and the second (7) conveyor, the negative pressure detection chamber (5) is installed between the second (7) and the third conveyor, and the rolling push mechanism (3) is built in the high pressure injection Inside the air chamber (4), the rolling push mechanism (3) includes a rolling plate (9) and an installation opening (10) opened in the middle of the rolling plate (9), the installation opening (10) has a built-in Turning mechanism (11), the negative pressure detection chamber (5) has a built-in nitrogen sensor (12), the nitrogen sensor (12) is connected with a controller (13) through a line, the high-pressure gas injection chamber (4) and Both ends of the negative pressure detection chamber (5) are provided with an inlet port (14) and an outlet port (15), and an electric push rod (16) is installed at the top, and a horizontal plate (16) is installed at the top of the electric push rod (16). 17), two sets of sealing plates (18) are installed symmetrically at both ends of the horizontal plate (17), and the two sets of the sealing plates (18) are respectively installed at the inlet (14) and the outlet (15).

2. A water-cooled motor casing air seal detection device according to claim 1, characterized in that: the conductor (2) comprises a main table (20) with a slope (19) formed on the right side and a main table (20) embedded in the Several groups of rotating rollers (21) on the slope (19), gears (22) are installed at one end of the several groups of the rotating rollers (21), and the adjacent two groups of the gears (22) are meshed and connected, and the gears (22) located at the top The gear (22) is provided with a micro motor (23), and the power output end of the micro motor (23) is connected with the gear (22).

3. A water-cooled motor casing air seal detection device according to claim 1, characterized in that: the high-pressure gas injection chamber (4) is composed of a roller (24), an auxiliary cylinder (25), a driver (26), The gas pipe (27), the booster pump (28) and the nitrogen tank (29) are composed, the auxiliary cylinder (25) is movably installed on the left end of the roller one (24), and several groups of racks (30) are evenly opened on the surface, The lower end of the rack (30) is connected with the driver (26), the left end of the auxiliary cylinder (25) is embedded with a rotating ring (31), and the gas delivery pipe (27) is mounted on the rotating ring (31). And the outer end is connected with the booster pump (28), and the outer end of the booster pump (28) is connected with the nitrogen tank (29) through the gas delivery pipe (27).

4. A water-cooled motor casing air seal detection device according to claim 3, characterized in that: an annular air guide groove (32) is provided inside the auxiliary cylinder (25), and several groups of spray heads (32) are evenly installed on the inner wall. 33), several groups of the spray heads (33) are communicated with the annular air guide groove (32).

5. A water-cooled motor housing gas seal detection device according to claim 3, characterized in that: the driver (26) comprises a servo motor (34) and a drive wheel (35) mounted on the power output end of the servo motor (34) ), the drive wheel (35) is engaged with the auxiliary cylinder (25) and connected with the controller (13) through a line.

6. A water-cooled motor casing air seal detection device according to claim 3, characterized in that: the negative pressure detection chamber (5) comprises a second roller (36) and an air pipe connected to the second roller (36) (27), a negative pressure pump (37) is connected to the outer end of the air delivery pipe (27), and the negative pressure pump (37) is connected with an air storage barrel (45) through the gas delivery pipe (27).

7. A water-cooled motor casing air seal detection device according to claim 1, characterized in that: the rolling plate (9) comprises an arc plate (39) with several groups of notches (38) on the surface and The driving roller (40) is evenly installed in the slot (38), and both the slot (38) and the driving roller (40) are arranged in an inclined shape.

8. A water-cooled motor casing air seal detection device according to claim 1, characterized in that: the turning mechanism (11) comprises a hydraulic cylinder (41) and two sets of arcs mounted on the power output end of the hydraulic cylinder (41) Two sets of the arc-shaped top plates (42) are arranged in parallel with rubber pads (43) on the surface, and connecting rods (44) extend from both ends of the arc-shaped top plates (42). The rod (44) is slidably arranged on the inner wall of the installation opening (10).