A vehicle fluid pipeline air tightness detection device

Abstract

The present invention discloses a vehicle fluid pipeline air tightness detection device, comprising: an I-shaped support seat, on which a plurality of first air holes, first slide grooves and identification parts are arranged; an electric drive device; a pressing device; a plurality of sealing devices; an air extraction device, used to push the first slider to move so that the first air hole is connected with the air extraction hole and the air in the pipeline is extracted; a sound wave generating device, used to push the first slider to move and emit longitudinal waves into the pipeline; a sound wave receiving device, used to push the second slider to move and receive the longitudinal waves emitted by the sound wave generating device; an alarm device; a sensor; a time relay; and a controller. In the present invention, the pipeline is first vacuumed, and when there are air holes on the pipeline, air will flow into the pipeline from the air holes, so that there is air inside the pipeline, and the sound wave receiving device can receive the sound waves emitted by the sound wave generating device, and the alarm device is made to sound an alarm through the controller, thereby judging the air tightness of the pipeline, and the detection efficiency is high and the effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline production, in particular to an air tightness detection device for a vehicle fluid pipeline. Background Art

[0002] Automobile pipeline products play a key role in various automobile systems, just like the nerve bundles and respiratory tract in the human body. They are mainly used to transport working media such as gas and liquid to various automobile systems in a safe, energy-saving and environmentally friendly manner. Air tightness testing is required for vehicle fluid pipelines during production. There are many existing testing devices, such as the water immersion method. This method can only put one pipeline in each test, which is inefficient. At the same time, it requires human eyes to observe bubbles, which is easy to miss and has shortcomings. Summary of the invention

[0003] The purpose of the present invention is to solve the above technical problems and to provide a vehicle fluid pipeline air tightness detection device.

[0004] The technical solution of the present invention is a vehicle fluid pipeline air tightness detection device, comprising:

[0005] An I-shaped support seat is provided with a plurality of first air holes, first slide grooves and identification pieces;

[0006] An electric drive device, used for driving the support seat to rotate;

[0007] A clamping device, comprising a plurality of T-shaped clamping seats, a plurality of first elastic members, a clamping plate and a first pneumatic drive device, wherein the clamping seat is slidably arranged on the support seat, the first elastic member is arranged between the clamping seat and the support seat, the first pneumatic drive device is used to drive the clamping seat to move downward on the support seat until it abuts against the bottom of the clamping plate, the clamping seat is provided with a second air hole and a second slide groove, and the clamping plate is provided with a through groove;

[0008] A plurality of sealing devices, comprising a first slider, a second slider and a plurality of second elastic members, wherein the first slider is arranged in the first slide groove through the plurality of second elastic members, the second slider is arranged in the second slide groove through the plurality of second elastic members, and the first slider is provided with an air extraction hole;

[0009] An air extraction device, used for pushing the first slider to move so that the first air hole is connected with the air extraction hole and the air in the pipeline is extracted;

[0010] A sound wave generating device, used for driving the first slider to move and emit longitudinal waves into the pipeline;

[0011] A sound wave receiving device, used for pushing the second slider to move and receiving the longitudinal wave emitted by the sound wave generating device;

[0012] Alarm device;

[0013] sensor;

[0014] Time relay;

[0015] Controller.

[0016] Preferably, a plurality of support rods are provided at the bottom of the support seat, and universal wheels are provided on the support rods.

[0017] Preferably, the air extraction device includes a docking tube, an air pump, a first push rod and a second pneumatic drive device, the docking tube is arranged on the first push rod and connected to the air pipe on the air pump, and the second pneumatic drive device is used to drive the first push rod to move back and forth.

[0018] Preferably, one end of the butt joint pipe is chamfered to form an arc shape, and a sealing gasket is provided on the outer wall of the butt joint pipe.

[0019] Preferably, the sound wave generating device comprises a second push rod, a sound wave transmitter and a third pneumatic driving device, the sound wave transmitter is arranged on the second push rod, and the third pneumatic driving device is used to drive the second push rod to move back and forth.

[0020] Preferably, the sound wave receiving device comprises a third push rod, a sound wave receiver and a fourth pneumatic driving device, the sound wave receiver is arranged on the third push rod, and the fourth pneumatic driving device is used to drive the third push rod to move back and forth.

[0021] Preferably, the alarm device is a sound alarm device.

[0022] Preferably, a plurality of circular marks are provided on the support seat.

[0023] The beneficial effects of the present invention are as follows: in the present invention, by first evacuating the pipeline, when the electric driving device drives the evacuated pipeline to rotate to the sound wave generating device and the sound wave receiving device, when there are air holes on the pipeline, air will flow into the evacuated pipeline from the air holes, so that there is air inside the pipeline, and the sound wave receiving device can receive the sound waves emitted by the sound wave generating device, and the alarm device will sound an alarm through the controller, thereby judging the air tightness of the pipeline, and the evacuation and sound wave detection are carried out simultaneously, thereby improving the detection efficiency, and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front view of the overall structure of a preferred embodiment of the present invention;

[0025] Figure 2 is a top view of a pressing plate in a preferred embodiment of the present invention;

[0026] Figure 3 It is the detection principle diagram of the present invention.

[0027] Figure numerals: support seat 10, first air hole 101, first slide groove 102, identification member 103, support rod 104, electric drive device 2, clamping seat 3, second air hole 31, second slide groove 32, first elastic member 4, pressure plate 5, through groove 51, first pneumatic drive device 6, first slider 7, air extraction hole 71, second slider 8, second elastic member 9, sensor 11, time relay 12, controller 13, docking tube 14, air pump 15, first push rod 16, second pneumatic drive device 17, second push rod 18, sound wave transmitter 19, third pneumatic drive device 20, third push rod 21, sound wave receiver 22, fourth pneumatic drive device 23, first support platform 24, second support platform 25, connecting plate 26. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Reference Figures 1 to 3 , a vehicle fluid pipeline air tightness detection device, comprising:

[0030] The I-shaped support seat 10 is provided with a plurality of first air holes 101, a first slide groove 102 and an identification member 103;

[0031] The electric drive device 2 is used to drive the support seat 10 to rotate;

[0032] The clamping device includes a plurality of T-shaped clamping seats 3, a plurality of first elastic members 4, a clamping plate 5 and a first pneumatic drive device 6. The clamping seat 3 is slidably arranged on the support seat 10. The first elastic member 4 is arranged between the clamping seat 3 and the support seat 10. The first pneumatic drive device 6 is used to drive the clamping seat 3 to move downward on the support seat 10 until it abuts against the bottom of the clamping plate 5. The clamping seat 3 is provided with a second air hole 31 and a second slide groove 32, and the clamping plate 5 is provided with a through groove 51.

[0033] A plurality of sealing devices, comprising a first slider 7, a second slider 8 and a plurality of second elastic members 9, wherein the first slider 7 is disposed in the first slide groove 102 through the plurality of second elastic members 9, the second slider 8 is disposed in the second slide groove 32 through the plurality of second elastic members 9, and an air extraction hole 71 is disposed on the first slider 7;

[0034] The air extraction device is used to push the first slider 7 to move so that the first air hole 101 communicates with the air extraction hole 71 and extracts the air in the pipeline;

[0035] A sound wave generating device, used to push the first slider 7 to move and emit longitudinal waves into the pipeline;

[0036] The sound wave receiving device is used to push the second slider 8 to move and receive the longitudinal wave emitted by the sound wave generating device;

[0037] Alarm device;

[0038] Sensor 11;

[0039] Time relay 12;

[0040] Controller 13. In the present invention, the support seat 10 is composed of two turntables and a support column. During detection, the electric drive device 2 drives the support seat 10 to rotate, the sensor 11 detects the identification piece 103, and the sensor 11 sends a signal to the controller 13. The controller 13 controls the electric drive device 2 to stop working, and at the same time, a pipe is placed vertically on a turntable. The controller 13 controls the first pneumatic drive device 6, the time relay 12, the air extraction device, the sound wave generating device and the sound wave receiving device to work at the same time. The first pneumatic drive device 6 drives the clamping seat 3 to move downward on a turntable, so that the pipe is pressed between the clamping seat 3 and a turntable. The air extraction device works to push the first slider 7 to move so that the first air hole 101 is connected with the air extraction hole 71 and the air in the pipe is extracted to make the pipe vacuum. The sound wave generating device and the sound wave receiving device are connected to each other. The sound wave receiving device works, the first slider 7 and the second slider 8 are pushed to move, so that the sound wave generating device and the sound wave receiving device are moved into the first slide groove 102 and the second slide groove 32 respectively, the sound wave generating device emits sound waves, and the sound wave receiving device receives the sound waves. If the sound wave receiving device sends the received information to the controller 13, the alarm device is controlled to work to remind the staff that the pipeline to be detected is leaking and there are pores. If the sound wave receiving device cannot receive the sound wave, there are no pores in the pipeline. When the time relay 12 reaches the preset value, it sends a signal to the controller 13 to control the first pneumatic drive device 6, the air extraction device, the sound wave generating device and the sound wave receiving device to return to their original positions, and the electric drive device 2 is controlled to work to drive the support seat 10 to rotate, and the above operation is repeated to realize automatic air tightness detection of the pipeline. In this device, the pipeline is first vacuumed, and the electric drive device 2 drives the vacuumed pipeline to rotate to the sound wave generating device and the sound wave receiving device. When there are air holes on the pipeline, air will flow into the vacuumed pipeline from the air holes, so that there is air inside the pipeline, and the sound wave receiving device can receive the sound waves emitted by the sound wave generating device, and the alarm device is alarmed through the controller 13; the pressure plate 5 acts to keep the pipeline sealed and fixed on a turntable. Specifically, the original positions of the sound wave generating device and the sound wave receiving device are not on the same vertical line to avoid the sound wave receiving device being able to receive the sound waves when not detected; the electric drive device 2 is a motor; the first pneumatic drive device 6 is a cylinder; the first elastic member 4 and the second elastic member 9 are springs; the clamping seat 3 can move up and down on a turntable; the pressure plate 5 is fixed to the outside; the first slider 7 and the second slider 8 are provided with sealing pads to achieve a better sealing effect; the time relay 12 and the controller 13 are arranged on the pressure plate 5.

[0041] As a preferred embodiment of the present invention, it may also have the following additional technical features:

[0042] In this embodiment, a plurality of support rods 104 are disposed at the bottom of the support seat 10 , and universal wheels are disposed on the support rods 104 . The support rods 104 play a role in supporting the support seat 10 , and the universal wheels enable the support rods 104 to rotate together with the support seat 10 .

[0043] In this embodiment, the air extraction device includes a butt joint pipe 14, an air pump 15, a first push rod 16 and a second pneumatic drive device 17. The butt joint pipe 14 is arranged on the first push rod 16 and connected to the air pipe on the air pump 15. The second pneumatic drive device 17 is used to drive the first push rod 16 to move back and forth. Specifically, the second pneumatic drive device 17 is a cylinder, and the controller 13 controls the air pump 15 and the second pneumatic drive device 17 to work. The second pneumatic drive device 17 drives the first push rod 16 to move leftward so that the butt joint pipe 14 is connected to the air extraction hole 71, and the air in the pipeline is extracted. When the time relay 12 reaches the preset value, a signal is sent to the controller 13, and the controller 13 controls the second pneumatic drive device 17 to work and drive the first push rod 16 back to its original position; the air extraction device also includes a first support platform 24, and the sensor 11 and the second pneumatic drive device 17 are arranged on the first support platform 24.

[0044] In this embodiment, one end of the butt joint pipe 14 is chamfered to form an arc shape, and a sealing gasket is provided on the outer wall of the butt joint pipe 14 to facilitate the insertion of the butt joint pipe 14 into the air extraction hole 71, and the sealing gasket has a better sealing effect.

[0045] In this embodiment, the sound wave generating device includes a second push rod 18, a sound wave transmitter 19 and a third pneumatic driving device 20. The sound wave transmitter 19 is arranged on the second push rod 18, and the third pneumatic driving device 20 is used to drive the second push rod 18 to move back and forth. Specifically, the third pneumatic drive device 20 and the fourth pneumatic drive device 23 are both cylinders, the sound wave transmitter 19 and the sound wave receiver 22 are a transmitter and a receiver on an ultrasonic sensor, and a cross-beam detection mode is adopted. The controller 13 receives the signal from the sensor 11, controls the third pneumatic drive device 20 and the fourth pneumatic drive device 23 to work, so that the second push rod 18 and the third push rod 21 move to the right and move to the first air hole 101 and the second air hole 31. The sound wave transmitter 19 emits sound waves and the sound wave receiver 22 receives the sound waves, indicating that there are air holes on the pipeline. At the same time, the controller 13 controls the alarm device to alarm, and by adjusting the position or stroke of the third pneumatic drive device 20 and the fourth pneumatic drive device 23, the sound wave transmitter 19 and the sound wave receiver 22 are moved to a vertical line; the sound wave generating device also includes a second support platform 25, and the third pneumatic drive device 20 is arranged on the second support platform 25.

[0046] In this embodiment, the sound wave receiving device includes a third push rod 21, a sound wave receiver 22 and a fourth pneumatic drive device 23, the sound wave receiver 22 is arranged on the third push rod 21, and the fourth pneumatic drive device 23 is used to drive the third push rod 21 to move back and forth. Specifically, the sound wave receiving device also includes a connecting plate 26, the fourth pneumatic drive device 23 is arranged on the connecting plate 26, and the connecting plate 26 is connected to the pressing plate 5.

[0047] In this embodiment, the alarm device is a sound alarm device.

[0048] In this embodiment, a plurality of circular marks are provided on the support base 10 . The circular marks are provided on a turntable and are connected to the center of the first air hole 101 , so that the pipeline is concentric with the first air hole 101 .

[0049] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle fluid pipeline air tightness detection device, characterized in that: include: An I-shaped support seat (10) is provided with a plurality of first air holes (101), a first slide groove (102) and an identification piece (103); An electric drive device (2) for driving the support seat (10) to rotate; A clamping device, comprising a plurality of T-shaped clamping seats (3), a plurality of first elastic members (4), a clamping plate (5) and a first pneumatic drive device (6); the clamping seat (3) is slidably arranged on the support seat (10); the first elastic member (4) is arranged between the clamping seat (3) and the support seat (10); the first pneumatic drive device (6) is used to drive the clamping seat (3) to move downward on the support seat (10) until it abuts against the bottom of the clamping plate (5); the clamping seat (3) is provided with a second air hole (31) and a second slide groove (32); and the clamping plate (5) is provided with a through groove (51); A plurality of sealing devices, comprising a first slider (7), a second slider (8) and a plurality of second elastic members (9), wherein the first slider (7) is arranged in the first slide groove (102) via the plurality of second elastic members (9), the second slider (8) is arranged in the second slide groove (32) via the plurality of second elastic members (9), and the first slider (7) is provided with an air extraction hole (71); An air extraction device, used for pushing the first slider (7) to move so that the first air hole (101) communicates with the air extraction hole (71) and extracts the air in the pipeline, the air extraction device comprising a butt joint tube (14), an air pump (15), a first push rod (16) and a second pneumatic drive device (17), the butt joint tube (14) is arranged on the first push rod (16) and connected to the air pipe on the air pump (15), the second pneumatic drive device (17) is used for driving the first push rod (16) to move back and forth, one end of the butt joint tube (14) is chamfered to form an arc shape, and a sealing gasket is arranged on the outer wall of the butt joint tube (14); A sound wave generating device, used for pushing the first slider (7) to move and emit longitudinal waves into the pipeline, the sound wave generating device comprising a second push rod (18), a sound wave emitter (19) and a third pneumatic driving device (20), the sound wave emitter (19) being arranged on the second push rod (18), and the third pneumatic driving device (20) being used for driving the second push rod (18) to move back and forth; A sound wave receiving device, used for pushing the second slider (8) to move and receiving the longitudinal wave emitted by the sound wave generating device, the sound wave receiving device comprising a third push rod (21), a sound wave receiver (22) and a fourth pneumatic driving device (23), the sound wave receiver (22) being arranged on the third push rod (21), and the fourth pneumatic driving device (23) being used for driving the third push rod (21) to move back and forth; Alarm device; Sensor (11); Time relay (12); Controller (13).

2. The vehicle fluid pipeline air tightness detection device according to claim 1, characterized in that: A plurality of support rods (104) are arranged at the bottom of the support seat (10), and universal wheels are arranged on the support rods (104).

3. The vehicle fluid pipeline air tightness detection device according to claim 1, characterized in that: The alarm device is a sound alarm device.

4. The vehicle fluid pipeline air tightness detection device according to claim 1, characterized in that: The support seat (10) is provided with a plurality of circular marks.

Images