Inner tube inspection device

Abstract

The utility model discloses an inner tube inspection device, which relates to the technical field of inner tube inspection equipment and comprises an inspection box and a fixing mechanism. The fixing mechanism comprises a storage rack, a limiting beam, a positioning rod, a first lifting device and a second lifting device; the storage rack is of a rectangular frame structure. The limiting beam is positioned in the storage rack; a through groove is formed in the top of the limiting beam, the positioning rod is vertically arranged in the through groove, the first lifting device and the second lifting device are both arranged on the top of the storage rack, and the output end of the first lifting device and the output end of the second lifting device are arranged on the limiting beam and the positioning rod respectively; a third lifting device fixedly connected with the bottom of the storage rack is arranged at the bottom of the inspection box; the limiting beams assist in fixing the inner tube, the positioning rods are easy to limit movement of the inner tube, the inner tube is effectively prevented from moving and falling, the inner tube is fixed, stable inspection of the rubber inner tube is easy, and accuracy and practicability of inspection results can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inner tube inspection equipment, in particular to an inner tube inspection device. Background Art

[0002] Tires are one of the important components of a car. Their main functions are: supporting the entire weight of the vehicle, bearing the load of the car, transmitting traction and braking torque, ensuring the adhesion between the wheel and the road, reducing and absorbing the vibration and impact of the car when driving, preventing automobile parts from severe vibration and early damage, adapting to the high-speed performance of the vehicle and reducing noise during driving. Tires are of great significance to ensuring the safety, handling stability, comfort and energy-saving economy of automobile driving. In the process of producing and processing automobile inner tubes, the air tightness of the inner tubes needs to be checked.

[0003] However, when the existing inner tube inspection device is used to check the air tightness of the inner tube of the tire, the inner tube is placed in the inspection box for inspection. The unstable placement of the inner tube makes it impossible for the device to effectively and stably inspect the rubber inner tube, causing the inner tube to shake easily and being inconvenient to fix the inner tube, which may lead to inaccurate inspection results of the inner tube inspection, thus affecting the inspection results. Utility Model Content

[0004] The utility model aims to provide an inner tube inspection device, which has a fixing function and is easy to perform stable inspection on a rubber inner tube, thereby improving the accuracy of the inspection result.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inner tube inspection device, comprising an inspection box and a fixing mechanism; the fixing mechanism comprises a storage rack, a limiting beam, a positioning rod, a first lifting device, and a second lifting device; the storage rack is a rectangular frame structure, and the storage rack is vertically arranged; the limiting beam is located in the storage rack; a through groove is provided on the top of the limiting beam, and the positioning rod is vertically arranged in the through groove, the first lifting device and the second lifting device are both arranged on the top of the storage rack, and the output ends of the first lifting device and the second lifting device are respectively arranged on the limiting beam and the positioning rod;

[0006] The bottom of the inspection box is provided with a third lifting device which is fixedly connected to the bottom of the storage rack.

[0007] In order to accurately adjust the height of the limiting beam, as a preferred inner tube inspection device of the utility model, a groove is provided at the bottom of the limiting beam, a distance sensor is arranged inside the groove, a pressure sensor is arranged at the bottom of the positioning rod, and a PLC touch screen all-in-one is arranged on the limiting beam, and the PLC touch screen all-in-one is electrically connected to the distance sensor, the pressure sensor, the first lifting device and the second lifting device respectively.

[0008] In order to facilitate the selection of the first lifting device, the second lifting device and the third lifting device, as a preferred inner tube inspection device of the utility model, the first lifting device, the second lifting device and the third lifting device are electric telescopic rods, pneumatic telescopic rods or hydraulic telescopic rods.

[0009] In order to facilitate adjustment of the length of the positioning rod, as a preferred inner tube inspection device of the utility model, the positioning rod includes a first rod, a second rod, and a third rod; the first rod, the second rod, and the third rod are all hollow structures, and the first rod, the second rod and the upper end of the third rod are all open, the upper end of the first rod is fixed to the top of the limiting beam, the upper end of the second rod is slidably mounted inside the lower end of the first rod, the upper end of the third rod is slidably mounted inside the lower end of the second rod, and the output end of the first lifting device passes through the first rod and the second rod and is arranged at the bottom inside the third rod.

[0010] In order to facilitate visual observation of the airtightness test of the inner tube, as a preferred inner tube testing device of the utility model, the testing box is made of transparent material.

[0011] In order to facilitate the movement of the inspection box, as a preferred inner tube inspection device of the utility model, the bottom of the inspection box is provided with legs, and the bottom of the legs is provided with self-locking universal wheels.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model places the inner tube to be inspected inside the storage rack, and by starting the first lifting device on the storage rack, the limiting beam is pressed downward against the top of the inner tube, and the limiting beam is easy to assist in fixing the inner tube, and the second lifting device is started, the positioning rod is moved to the middle of the inner tube, and the positioning rod is easy to limit the movement of the inner tube, which effectively prevents the inner tube from moving and falling. After being fixed, the third lifting device is started to move the storage rack below the water level inside the inspection box, and the air tightness inspection of the inner tube can be carried out; the device realizes the fixing function, is easy to carry out stable inspection of the rubber inner tube, and can improve the accuracy and practicality of the inspection result; and the device is easy to carry out air tightness inspection on inner tubes of different specifications and sizes, which is conducive to improving the flexibility and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 AA structural diagram;

[0016] Figure 3 It is a schematic cross-sectional structure diagram of the positioning rod of the utility model.

[0017] In the figure: 1. inspection box; 2. fixing mechanism; 3. storage rack; 4. limiting beam; 5. positioning rod; 6. first lifting device; 7. second lifting device; 8. through slot; 9. third lifting device; 10. groove; 11. distance sensor; 12. pressure sensor; 13. PLC touch screen integrated machine; 14. first rod; 15. second rod; 16. third rod; 17. support leg; 18. self-locking universal wheel. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3 , an inner tube inspection device, comprising an inspection box 1, a fixing mechanism 2; the fixing mechanism 2 comprises a rack 3, a limiting beam 4, a positioning rod 5, a first lifting device 6, and a second lifting device 7; the rack 3 is a rectangular frame structure, and the rack 3 is vertically arranged; the limiting beam 4 is located in the rack 3; a through groove 8 is opened at the top of the limiting beam 4, and the positioning rod 5 is vertically arranged in the through groove 8, the first lifting device 6 and the second lifting device 7 are both arranged on the top of the rack 3, and the output ends of the first lifting device 6 and the second lifting device 7 are respectively arranged on the limiting beam 4 and the positioning rod 5;

[0019] A third lifting device 9 fixedly connected to the bottom of the rack 3 is provided at the bottom of the inspection box 1 .

[0020] In this embodiment: start the third lifting device 9, move the rack 3 to the top of the inspection box 1, place the inner tube to be inspected inside the rack 3, start the first lifting device 6 on the rack 3, the limiting beam 4 is pressed downward against the top of the inner tube, and the limiting beam 4 is easy to assist in fixing the inner tube, and start the second lifting device 7, the positioning rod 5 moves to the middle of the inner tube, the positioning rod 5 is easy to limit the movement of the inner tube, and effectively prevents the inner tube from moving and falling. After fixing, start the third lifting device 9, move the rack 3 to below the water level inside the inspection box 1, and the inner tube can be tested for air tightness; the device realizes the fixing function, is easy to stably test the rubber inner tube, and can improve the accuracy and practicality of the test results; and the device is easy to test the air tightness of inner tubes of different sizes, which is conducive to improving the flexibility and practicality of the device; and the height of the limiting beam 4 and the length of the positioning rod 5 can be adjusted, and multiple stacked inner tubes can be tested, improving the efficiency of the test.

[0021] As a technical optimization solution of the utility model, a groove 10 is provided at the bottom of the limiting beam 4, a distance sensor 11 is arranged inside the groove 10, a pressure sensor 12 is arranged at the bottom of the positioning rod 5, and a PLC touch screen all-in-one machine 13 is arranged on the limiting beam 4, and the PLC touch screen all-in-one machine 13 is electrically connected to the distance sensor 11, the pressure sensor 12, the first lifting device 6, and the second lifting device 7 respectively.

[0022] In this embodiment: the first lifting device 6 is started, the limit beam 4 moves downward, and the distance sensor 11 monitors the distance between the limit beam 4 and the inner tube. When the distance is less than the set value (the limit beam 4 is in contact with the top of the inner tube), after receiving the signal, the PLC touch screen integrated machine 13 sends an instruction to the control circuit of the first lifting device 6 through an output module (such as a relay, a transistor, etc.) (the instruction can be a simple power on / off signal), and the first lifting device 6 is powered off, so that the limit beam 4 cannot continue to move downward, so that the limit beam 4 is easy to assist in fixing the inner tube and avoid excessive pressure on the limit beam 4;

[0023] Start the second lifting device 7, the positioning rod 5 moves downward, the pressure sensor 12 contacts the top of the limit beam 4, and when the monitored pressure reaches the set value, the PLC touch screen all-in-one machine 13 receives the signal, and the PLC touch screen all-in-one machine 13 sends a command to the control circuit of the second lifting device 7 through the output module. The second lifting device 7 is powered off, the positioning rod 5 cannot continue to extend, and the positioning rod 5 moves to the middle of the inner tube, which is easy to limit the movement of the inner tube, and effectively prevents the inner tube from moving and falling.

[0024] As a technical optimization solution of the utility model, the first lifting device 6, the second lifting device 7, and the third lifting device 9 are electric telescopic rods, pneumatic telescopic rods, or hydraulic telescopic rods.

[0025] In this embodiment, the first lifting device 6, the second lifting device 7, and the third lifting device 9 can be an electric telescopic rod, a pneumatic telescopic rod, or a hydraulic telescopic rod.

[0026] As a technical optimization scheme of the utility model, the positioning rod 5 includes a first rod 14, a second rod 15, and a third rod 16; the first rod 14, the second rod 15, and the third rod 16 are all hollow structures, and the first rod 14, the second rod 15 and the upper end of the third rod 16 are all open, the upper end of the first rod 14 is fixed to the top of the limiting beam 4, the upper end of the second rod 15 is slidably mounted inside the lower end of the first rod 14, and the upper end of the third rod 16 is slidably mounted inside the lower end of the second rod 15, and the output end of the first lifting device 6 passes through the first rod 14, the second rod 15 and is arranged at the bottom inside the third rod 16.

[0027] In this embodiment: the first lifting device 6 is started, the positioning rod 5 can be extended and retracted, and the positioning rod 5 is moved to the middle of the inner tube, which is easy to limit the inner tube and prevent the inner tube from moving on the storage rack 3; and the first lifting device 6 drives the positioning rod 5 to extend and retract, which is easy to position inner tubes at different heights; it should be noted that a limiting slider is provided above the outer wall of the second rod 15 and the third rod 16, and a sliding groove compatible with the limiting slider is opened on the inner wall of the first rod 14 and the second rod 15, so as to prevent the second rod 15 from moving out of the first rod 14 and the third rod 16 from moving out of the second rod 15.

[0028] As a technical optimization solution of the present utility model, the inspection box 1 is made of transparent material.

[0029] In this embodiment, the inspection box 1 is made of transparent material, which further facilitates visual inspection of the air tightness of the inner tube.

[0030] As a technical optimization solution of the utility model, a support leg 17 is provided at the bottom of the inspection box 1 , and a self-locking universal wheel 18 is provided at the bottom of the support leg 17 .

[0031] In this embodiment, the legs 17 prop up the bottom of the inspection box 1 so that the bottom of the third lifting device 9 does not touch the ground; the universal wheels make it easy to move the inspection box 1.

[0032] Working principle: start the third lifting device 9 to move the rack 3 to the top of the inspection box 1, place the inner tube to be inspected inside the rack 3, start the first lifting device 6 on the rack 3, the limiting beam 4 is pressed downward against the top of the inner tube, and the limiting beam 4 assists in fixing the inner tube, and start the second lifting device 7, the positioning rod 5 moves to the middle of the inner tube, the positioning rod 5 is easy to limit the movement of the inner tube, and effectively prevents the inner tube from moving and falling. After being fixed, start the third lifting device 9 to move the rack 3 below the water level inside the inspection box 1, and the inner tube can be tested for air tightness; the practicability of the device is improved; and the device is easy to perform air tightness tests on inner tubes of different sizes, which is conducive to improving the flexibility and practicability of the device.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An inner tube inspection device, characterized in that: The invention comprises an inspection box (1) and a fixing mechanism (2); the fixing mechanism (2) comprises a storage rack (3), a limiting beam (4), a positioning rod (5), a first lifting device (6), and a second lifting device (7); the storage rack (3) is a rectangular frame structure, and the storage rack (3) is vertically arranged; the limiting beam (4) is located in the storage rack (3); a through groove (8) is provided on the top of the limiting beam (4), and the positioning rod (5) is vertically arranged in the through groove (8); the first lifting device (6) and the second lifting device (7) are both arranged on the top of the storage rack (3), and the output ends of the first lifting device (6) and the second lifting device (7) are respectively arranged on the limiting beam (4) and the positioning rod (5); The bottom of the inspection box (1) is provided with a third lifting device (9) fixedly connected to the bottom of the storage rack (3).

2. An inner tube inspection device according to claim 1, characterized in that: The bottom of the limiting beam (4) is provided with a groove (10), a distance sensor (11) is arranged inside the groove (10), the bottom of the positioning rod (5) is provided with a pressure sensor (12), and a PLC touch screen integrated machine (13) is arranged on the limiting beam (4), and the PLC touch screen integrated machine (13) is electrically connected to the distance sensor (11), the pressure sensor (12), the first lifting device (6), and the second lifting device (7) respectively.

3. An inner tube inspection device according to claim 1, characterized in that: The first lifting device (6), the second lifting device (7) and the third lifting device (9) are electric telescopic rods, pneumatic telescopic rods or hydraulic telescopic rods.

4. An inner tube inspection device according to claim 1, characterized in that: The positioning rod (5) comprises a first rod (14), a second rod (15) and a third rod (16); the first rod (14), the second rod (15) and the third rod (16) are all hollow structures, and both ends of the first rod (14), the second rod (15) and the upper end of the third rod (16) are all open; the upper end of the first rod (14) is fixed to the top of the limiting beam (4), the upper end of the second rod (15) is slidably sleeved inside the lower end of the first rod (14), and the upper end of the third rod (16) is slidably sleeved inside the lower end of the second rod (15); the output end of the first lifting device (6) passes through the first rod (14) and the second rod (15) and is arranged at the bottom inside the third rod (16).

5. The inner tube inspection device according to claim 1, characterized in that: The inspection box (1) is made of transparent material.

6. An inner tube inspection device according to claim 1, characterized in that: The bottom of the inspection box (1) is provided with a supporting leg (17), and the bottom of the supporting leg (17) is provided with a self-locking universal wheel (18).

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