Motor air tightness detection device

Abstract

The utility model discloses a motor air tightness detection device, which belongs to the technical field of motors and comprises a detection table and an air pump, a first air delivery pipe is arranged at the output end of the air pump, a two-way valve is arranged at one end, far away from the air pump, of the first air delivery pipe, and a second air delivery pipe is arranged at one end of the two-way valve. A vertical plate is fixed to the top of the detection table, a pressure gauge is arranged on one side of the vertical plate, the second gas conveying pipe is connected with the inlet end of the pressure gauge, gas is injected into the motor through the gas pump, the change of the pressure in the motor is monitored in real time in combination with the detection hose, and the airtightness state of the motor can be reflected more accurately; through the arrangement of the two L-shaped clamping plates, the device can meet the clamping requirements of motors of different models, the adaptability of the device and the operation convenience are enhanced, and the reliability of a detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field, concretely relates to a motor air tightness detection device. BACKGROUND

[0002] With the wide popularity of motor application, the air tightness of motor becomes an important factor to ensure its normal operation and long service life. In the production and use process of motor, air tightness detection is an important link to ensure that the motor is not invaded by external pollutants and moisture. The traditional motor air tightness detection usually adopts static pressure test method or immersion method. Although these methods can detect the air tightness of motor to a certain extent, they have some limitations.

[0003] Most of the existing air tightness detection equipment relies on manual operation, and the detection process is relatively cumbersome. It is difficult to flexibly adjust according to the size of different types of motors, resulting in low detection efficiency. It cannot monitor the change of internal pressure of motor in real time, cannot reflect the air tightness problem of motor in time, and often needs a long time for testing, which cannot meet the rapid and efficient detection demand. Therefore, we design a motor air tightness detection device to provide another technical solution for the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a motor air tightness detection device to solve the problems of the existing technology in use process in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a motor air tightness detection device, comprising a detection table and a gas pump, the output end of the gas pump is provided with a first gas pipe, the end of the first gas pipe away from the gas pump is provided with a double-way valve, one end of the double-way valve is provided with a second gas pipe, the top of the detection table is fixed with a vertical stand, one side of the vertical stand is provided with a pressure gauge, the second gas pipe is connected with the inlet end of the pressure gauge, the outlet end of the pressure gauge is provided with a detection hose, the inside of the detection table is provided with a clamping mechanism for clamping the motor.

[0006] Preferably, the clamping mechanism comprises two L-shaped clamping plates, both sides of the inside of the detection table are slidably connected with the L-shaped clamping plates, the inside of the detection table is fixed with a horizontal light rod, a horizontal rigid spring is arranged between the two L-shaped clamping plates and outside the horizontal light rod, and the inside of the detection table is provided with a moving mechanism for moving the two L-shaped clamping plates.

[0007] Preferably, a rectangular sliding slot is formed in the inside of the detection table, and the L-shaped clamping plate is located in the inside of the rectangular sliding slot and is slidably connected with the detection table through the rectangular sliding slot.

[0008] Preferably, the L-shaped clamping plate is internally provided with a circular through hole, and the transverse light rod is located inside the circular through hole and is in sliding connection with the L-shaped clamping plate.

[0009] Preferably, the moving mechanism comprises a longitudinal moving column located inside the detection table and in sliding connection with the detection table, one end of the longitudinal moving column is fixed with a transverse connecting block, both sides of the transverse connecting block are rotatably connected with inclined rotating columns through pin shafts, one end of each inclined rotating column is rotatably connected with a transverse sliding block through a pin shaft, one end of the transverse sliding block close to the L-shaped clamping plate is fixed with a rectangular connecting block, one end of the rectangular connecting block close to the L-shaped clamping plate is in fixed connection with the L-shaped clamping plate.

[0010] Preferably, one end of the longitudinal moving column away from the transverse connecting block is fixed with a circular pull block.

[0011] Preferably, the transverse sliding block is internally in sliding connection with a transverse guide column, and the transverse guide column is located inside the detection table and is in fixed connection with the detection table.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a series of designs, through the gas pump to the motor inside carries out gas injection, and combines the detection hose real -time monitoring the change of motor internal pressure, can more accurately reflect the air -tightness state of motor, through the setting of two L-shaped clamping plates, make the device can adapt to the clamping demand of different model motors, strengthen the adaptability and the convenience of operation of equipment, guarantee the reliability of detection result. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structural schematic drawing of the utility model;

[0015] Figure 2 It is the structure schematic drawing of vertical stand and pressure gauge of the utility model;

[0016] Figure 3 It is the structure schematic drawing of vertical stand and detection hose of the utility model;

[0017] Figure 4 It is the structure schematic drawing of the inside of detection table of the utility model;

[0018] Figure 5 It is the structure schematic drawing of L-shaped clamping plate and transverse light rod of the utility model;

[0019] Figure 6 It is the structure schematic drawing of longitudinal moving column and transverse connecting block of the utility model.

[0020] In the figure: 1, detection platform; 2, vertical stand; 3, detection hose; 4, pressure gauge; 5, air pump; 6, first air pipe; 7, second air pipe; 8, double-way valve; 9, L-shaped clamping plate; 10, horizontal light pole; 11, horizontal rigid spring; 12, circular pull block; 13, vertical moving column; 14, horizontal connecting block; 15, oblique rotating column; 16, horizontal sliding block; 17, horizontal guide column; 18, rectangular connecting block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Referring to Figures 1-6 A motor air tightness detection device, including detection platform 1 and air pump 5, the output of air pump 5 is provided with first air pipe 6, and the end, away from air pump 5, of first air pipe 6 is provided with double-way valve 8, and one end of double-way valve 8 is provided with second air pipe 7, and the top of detection platform 1 is fixed with vertical stand 2, and one side of vertical stand 2 is provided with pressure gauge 4, and second air pipe 7 is connected with the inlet end of pressure gauge 4, and the outlet end of pressure gauge 4 is provided with detection hose 3, and the inside of detection platform 1 is provided with clamping mechanism for clamping motor;

[0023] Here, through the operation of air pump 5, the gas in the inside of air pump 5 can be injected into the inside of pressure gauge 4 through first air pipe 6, double-way valve 8 and second air pipe 7, so that the gas can be injected into the inside of motor through detection hose 3, and the setting of pressure gauge 4 can monitor the real-time pressure change in the inside of motor in real time.

[0024] The clamping mechanism includes two L-shaped clamping plates 9, and the two sides in the inside of detection platform 1 are slidably connected with L-shaped clamping plates 9, and the inside of detection platform 1 is fixed with horizontal light pole 10, and horizontal rigid spring 11 is arranged between the two L-shaped clamping plates 9 and located outside horizontal light pole 10, and the inside of detection platform 1 is provided with moving mechanism for the movement of the two L-shaped clamping plates 9.

[0025] The inside of detection platform 1 is provided with rectangular sliding groove, and L-shaped clamping plate 9 is located in the inside of rectangular sliding groove and is slidably connected with detection platform 1 through rectangular sliding groove, and through the setting of rectangular sliding groove, L-shaped clamping plate 9 can slide in the inside of detection platform 1.

[0026] The inside of the L-shaped clamping plate 9 is provided with a circular through hole, and the transverse light rod 10 is located inside the circular through hole and is in sliding connection with the L-shaped clamping plate 9. Through the arrangement of the circular through hole, the L-shaped clamping plate 9 can slide transversely inside the transverse light rod 10, so that the two L-shaped clamping plates 9 can slide outside the transverse light rod 10, and when the two L-shaped clamping plates 9 slide, the transverse rigid spring 11 is stressed and deformed;

[0027] Here, by pulling the L-shaped clamping plate 9, the L-shaped clamping plate 9 can move outside the motor, and when the L-shaped clamping plate 9 clamps the motor, the L-shaped clamping plate 9 can fix the motor to facilitate subsequent detection of the motor, and when the L-shaped clamping plate 9 moves, the transverse rigid spring 11 is stressed and deformed;

[0028] The moving mechanism comprises a longitudinal moving column 13, which is located inside the detection table 1 and is in sliding connection with the detection table 1. One end of the longitudinal moving column 13 is fixed with a transverse connecting block 14. The two sides of the transverse connecting block 14 are both rotatably connected with inclined rotating columns 15 through pin shafts. One end of the inclined rotating column 15 is rotatably connected with a transverse sliding block 16 through a pin shaft. One end of the transverse sliding block 16 close to the L-shaped clamping plate 9 is fixed with a rectangular connecting block 18. One end of the rectangular connecting block 18 close to the L-shaped clamping plate 9 is fixedly connected with the L-shaped clamping plate 9.

[0029] One end of the longitudinal moving column 13 away from the transverse connecting block 14 is fixed with a circular pull block 12. Through the arrangement of the circular pull block 12, the circular pull block 12 can be better pulled, so that the circular pull block 12 can be pulled outside the detection table 1.

[0030] The inside of the transverse sliding block 16 is slidably connected with a transverse guide column 17. The transverse guide column 17 is located inside the detection table 1 and is fixedly connected with the detection table 1. Through the arrangement of the transverse guide column 17, the transverse sliding block 16 can slide transversely outside the transverse guide column 17. The sliding of the transverse sliding block 16 enables the L-shaped clamping plate 9 to slide inside the detection table 1.

[0031] When the circular pull block 12 is pressed towards the detection table 1, the longitudinal moving column 13 can slide inside the detection table 1, the sliding of the longitudinal moving column 13 enables the transverse connecting block 14 to move, the movement of the transverse connecting block 14 enables the transverse sliding block 16 to slide outside the transverse guide column 17 through the oblique rotating column 15, the movement of the transverse sliding block 16 enables the L-shaped clamping plate 9 to slide outside the transverse light pole 10 through the rectangular connecting block 18, the movement of the L-shaped clamping plate 9 enables the transverse rigid spring 11 to be stressed and deformed, and then the L-shaped clamping plate 9 can move outside the motor, when the motor is placed on the top of the detection table 1, the pressing on the circular pull block 12 is released, and the L-shaped clamping plate 9 can move towards the motor through the elastic property of the transverse rigid spring 11, so that the two L-shaped clamping plates 9 can clamp the motor, and the motor can be fixed.

[0032] Working principle: through the operation of the air pump 5, the gas inside the air pump 5 can be injected into the inside of the pressure gauge 4 through the first gas conveying pipe 6, the double-way valve 8 and the second gas conveying pipe 7, so that the gas can be injected into the inside of the motor through the detection hose 3, and the real-time pressure change in the motor can be monitored in real time through the setting of the pressure gauge 4.

[0033] By pulling the L-shaped clamping plate 9, the L-shaped clamping plate 9 can move outside the motor, and after the L-shaped clamping plate 9 clamps the motor, the L-shaped clamping plate 9 can fix the motor for subsequent detection of the motor, and when the L-shaped clamping plate 9 moves, the transverse rigid spring 11 is stressed and deformed.

[0034] When the circular pull block 12 is pressed towards the detection table 1, the longitudinal moving column 13 can slide inside the detection table 1, the sliding of the longitudinal moving column 13 enables the transverse connecting block 14 to move, the movement of the transverse connecting block 14 enables the transverse sliding block 16 to slide outside the transverse guide column 17 through the oblique rotating column 15, the movement of the transverse sliding block 16 enables the L-shaped clamping plate 9 to slide outside the transverse light pole 10 through the rectangular connecting block 18, the movement of the L-shaped clamping plate 9 enables the transverse rigid spring 11 to be stressed and deformed, and then the L-shaped clamping plate 9 can move outside the motor, when the motor is placed on the top of the detection table 1, the pressing on the circular pull block 12 is released, and the L-shaped clamping plate 9 can move towards the motor through the elastic property of the transverse rigid spring 11, so that the two L-shaped clamping plates 9 can clamp the motor, and the motor can be fixed.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electric machine air tightness detection device, characterized in that: The utility model provides a kind of detection platform, including detection platform (1) and air pump (5), the output of air pump (5) is provided with first gas pipe (6), the one end of first gas pipe (6) is provided with double-way valve (8) away from air pump (5), the one end of double-way valve (8) is provided with second gas pipe (7), the top of detection platform (1) is fixed with vertical stand (2), the one side of vertical stand (2) is provided with pressure gauge (4), the import of second gas pipe (7) is connected with pressure gauge (4), and the outlet of pressure gauge (4) is provided with detection hose (3), and the inside of detection platform (1) is provided with clamping mechanism for clamping motor.

2. The motor air tightness detection device according to claim 1, wherein: The clamping mechanism includes two L-shaped clamping plates (9), both sides of the inside of the detection platform (1) are slidably connected with the L-shaped clamping plates (9), the inside of the detection platform (1) is fixed with a horizontal light rod (10), a horizontal rigid spring (11) is arranged between the two L-shaped clamping plates (9) and outside the horizontal light rod (10), and the inside of the detection platform (1) is provided with a moving mechanism for moving the two L-shaped clamping plates (9).

3. The motor air tightness detection device according to claim 2, characterized in that: The inside of the detection platform (1) is provided with a rectangular sliding groove, and the L-shaped clamping plate (9) is located inside the rectangular sliding groove and slidably connected with the detection platform (1) through the rectangular sliding groove.

4. The motor air tightness detection device according to claim 2, characterized in that: The inside of the L-shaped clamping plate (9) is provided with a circular through hole, and the horizontal light rod (10) is located inside the circular through hole and slidably connected with the L-shaped clamping plate (9).

5. The motor air tightness detection device according to claim 2, wherein: The moving mechanism includes a longitudinal moving column (13), which is located inside the detection platform (1) and slidably connected with the detection platform (1), one end of the longitudinal moving column (13) is fixed with a horizontal connecting block (14), both sides of the horizontal connecting block (14) are rotatably connected with inclined rotating columns (15) through pin shafts, one end of the inclined rotating column (15) is rotatably connected with a horizontal sliding block (16) through a pin shaft, one end of the horizontal sliding block (16) close to the L-shaped clamping plate (9) is fixed with a rectangular connecting block (18), one end of the rectangular connecting block (18) close to the L-shaped clamping plate (9) is fixedly connected with the L-shaped clamping plate (9).

6. The air tightness detection device of an electric machine according to claim 5, characterized in that: One end of the longitudinal moving column (13) away from the horizontal connecting block (14) is fixed with a circular pull block (12).

7. The air tightness detection device of an electric machine according to claim 5, characterized in that: The inside of the horizontal sliding block (16) is slidably connected with a horizontal guide column (17), which is located inside the detection platform (1) and fixedly connected with the detection platform (1).

Images