Detection device for gas cylinder

Abstract

The utility model provides a detection device for a gas cylinder. Belongs to the technical field of gas cylinder detection. According to the technical key points, the device comprises a detection table, a circular placement groove is formed in the center of the top of the detection table, a plurality of sliding grooves distributed in an annular array are formed in the inner wall of the circular placement groove, and a vertically-arranged bidirectional lead screw is rotationally connected into the sliding grooves; the bottom ends of the two-way lead screws extend to the bottom of the detection table and are jointly connected with a driving assembly in a linkage mode, two sliding seats which are symmetrically arranged are in threaded connection with the threaded faces of the upper sides and the lower sides of the two-way lead screws, the sliding seats are arranged in the sliding grooves in a sliding mode, and supporting rods are hinged to the outer sides of the sliding seats. The ends, away from the sliding base, of the two supporting rods are jointly hinged to an abutting plate. The utility model aims to provide the detection device for the gas cylinder, which can be used for fixing the gas cylinder; the problem that a gas cylinder is prone to toppling during detection of an existing detection device is solved.

Description

Technical Field

[0001] This utility model relates to the field of gas cylinder testing technology, specifically a testing device for gas cylinders. Background Technology

[0002] A gas cylinder is a type of portable pressure vessel with a bottle-shaped main structure, typically filled with gas (compressed gas, liquefied gas, dissolved or adsorbed gas, etc.). Since gas cylinders are generally filled with rare gases, their sealing performance is crucial to prevent leakage; therefore, sealing tests are required during the gas cylinder manufacturing process.

[0003] A current gas cylinder sealing test device for gas cylinder production and processing, as described in patent CN220490330U, comprises a frame and a rotating frame. A support base is fixedly mounted on the frame, and a rotating component is rotatably connected within the support base. The top of the rotating component extends beyond the support base, and a turntable is fixedly mounted on the top of the rotating component. A retaining plate is fixedly mounted on the top of the turntable. A retaining plate has a corresponding slot on the rotating frame, into which the retaining plate is inserted. Two sliding plates are slidably connected within the retaining plate, and a spring is fixedly installed between the two sliding plates. This gas cylinder sealing test device can efficiently utilize the waiting time during the testing process for placing or removing gas cylinders, saving time and further improving testing efficiency. Simultaneously, the rotating frame is easy and quick to assemble and disassemble, allowing for rapid replacement with rotating frames of different diameter slots to adapt to gas cylinders of different diameters, thus further enhancing the applicability of the equipment.

[0004] Regarding the aforementioned technologies, the inventors believe that the device cannot guarantee the stability of the gas cylinder during use, and it is prone to tipping over during testing. Utility Model Content

[0005] The purpose of this invention is to provide a gas cylinder testing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A gas cylinder testing device includes a testing platform. Support legs are fixedly connected to the four corners of the bottom of the testing platform. A circular placement groove is formed at the center of the top of the testing platform. Several sliding grooves arranged in a circular array are formed on the inner wall of the circular placement groove. A vertically arranged bidirectional lead screw is rotatably connected within the sliding groove. The bottom end of each bidirectional lead screw extends to the bottom of the testing platform and is jointly connected to a drive assembly. Two symmetrically arranged slide blocks are threaded onto the upper and lower threaded surfaces of the bidirectional lead screws. The slide blocks are slidably disposed within the sliding groove. Support rods are hinged to the outer sides of the slide blocks. A stop plate is hinged to the ends of the two support rods away from the slide blocks. A fixing frame is fixedly connected to the top of the testing platform near the edge, and a testing mechanism is mounted on the fixing frame.

[0008] As a further embodiment of this utility model: the drive assembly includes a small gear fixedly connected to the bottom end of the bidirectional lead screw, an internal gear ring rotatably connected to the bottom of the testing platform, the internal gear ring and the circular placement groove being on the same axis, each of the small gears being located in the inner ring of the internal gear ring and meshing with the internal gear ring, and a rotating handle fixedly connected to the bottom of the internal gear ring.

[0009] As a further embodiment of this utility model: a flexible pad is fixedly connected to the side of the abutment near the axis of the circular placement groove, and the flexible pad is made of rubber.

[0010] As a further embodiment of this utility model: the detection mechanism includes an air tank, a booster pump, and a pressure monitor mounted on the top of the fixed frame. A first pipe is connected between the air tank and the air inlet of the booster pump. A valve is installed on the first pipe. A fixed plate is fixedly connected to one side of the fixed frame. A threaded rod is rotatably connected between the top of the fixed plate and the fixed frame. A motor is fixedly connected to the fixed frame. The output end of the motor is connected to the bottom end of the threaded rod. A lifting seat is threadedly connected to the threaded rod. A connector is installed at the bottom of the lifting seat. A second pipe is connected between the air outlet of the booster pump and the pressure monitor and the connector.

[0011] As a further embodiment of this utility model: the connector is detachable, and when testing the gas cylinder, a matching connector can be used according to the diameter of the gas cylinder opening. The second pipe is a flexible hose, which facilitates the up and down movement of the lifting seat without restriction. A guide rod parallel to the threaded rod is fixedly connected between the top of the fixing plate and the fixing frame, and the lifting seat is slidably connected to the guide rod.

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

[0013] With the above-described structure, this invention, by setting up a circular placement groove, a sliding groove, a bidirectional lead screw, a drive assembly, a sliding block, a support rod, and a stop plate, allows the gas cylinder to be placed in the circular placement groove during testing. The drive assembly then drives the bidirectional lead screws to rotate synchronously, thereby driving the upper and lower sliding blocks in the sliding groove to slide in opposite directions. With the cooperation of the support rod, the stop plate is pushed closer to the gas cylinder. Several stop plates simultaneously move towards the gas cylinder and then abut against its outer wall. The cooperation of these stop plates clamps and secures the gas cylinder, preventing it from shaking or tipping over during testing, thus improving testing efficiency. Attached Figure Description

[0014] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings, but this does not constitute any limitation on the present invention.

[0015] Figure 1 This is a schematic diagram of the main structure of a gas cylinder detection device.

[0016] Figure 2 This is a schematic diagram of the circular placement slot in a gas cylinder testing device.

[0017] Figure 3 This is a schematic diagram of the slide in a gas cylinder testing device.

[0018] Figure 4 This is a schematic diagram of the main structure of a gas cylinder detection device from another perspective.

[0019] Figure 5 For a gas cylinder detection device Figure 4 A magnified structural diagram at point A.

[0020] In the diagram: 1. Testing platform; 2. Circular placement slot; 3. Slide groove; 4. Bidirectional lead screw; 5. Drive assembly; 501. Pinion gear; 502. Internal gear ring; 503. Rotating handle; 6. Slide seat; 7. Support rod; 8. Backing plate; 9. Fixing frame; 10. Testing mechanism; 1001. Gas storage tank; 1002. Booster pump; 1003. Pressure monitor; 1004. First pipeline; 1005. Valve; 1006. Fixing plate; 1007. Threaded rod; 1008. Motor; 1009. Lifting seat; 10010. Connector; 10011. Second pipeline; 11. Flexible pad; 12. Guide rod. Detailed Implementation

[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0022] Please see Figure 1-5A gas cylinder testing device includes a testing platform 1. Support legs are fixedly connected to the four corners of the bottom of the testing platform 1. A circular placement groove 2 is provided at the center of the top of the testing platform 1. Several sliding grooves 3 arranged in a ring array are provided on the inner wall of the circular placement groove 2. A vertically arranged bidirectional lead screw 4 is rotatably connected in the sliding groove 3. The bottom end of each bidirectional lead screw 4 extends to the bottom of the testing platform 1 and is jointly connected to a drive assembly 5. Two symmetrically arranged slide seats 6 are threaded on the upper and lower threaded surfaces of the bidirectional lead screw 4. The slide seats 6 are slidably disposed in the sliding groove 3. Support rods 7 are hinged to the outside of the slide seats 6. The ends of the two support rods 7 away from the slide seats 6 are jointly hinged to a stop plate 8. A fixing frame 9 is fixedly connected to the top of the testing platform 1 near the edge. A testing mechanism 10 is provided on the fixing frame 9. When testing a gas cylinder, the cylinder is placed in a circular placement slot 2. Then, the drive assembly 5 drives each bidirectional lead screw 4 to rotate synchronously, thereby driving the upper and lower slide blocks 6 in the slide groove 3 to slide in opposite directions. With the cooperation of the support rod 7, the abutment plate 8 is pushed closer to the gas cylinder. Several abutment plates 8 will move towards the gas cylinder synchronously and then abut against the outer wall of the gas cylinder. With the cooperation of several abutment plates 8, the gas cylinder is clamped and fixed, so that it will not shake or tip over during testing, thus improving testing efficiency.

[0023] Furthermore, the drive assembly 5 includes a pinion 501 fixedly connected to the bottom end of the bidirectional lead screw 4, and an internal gear ring 502 rotatably connected to the bottom of the testing table 1. The internal gear ring 502 is coaxial with the circular placement groove 2, and each pinion 501 is located within the internal gear ring 502 and meshes with it. A rotating handle 503 is fixedly connected to the bottom of the internal gear ring 502. In use, the operator rotates the rotating handle 503 to rotate the internal gear ring 502. The rotation of the internal gear ring 502 causes the pinions 501 to rotate synchronously, thereby causing the bidirectional lead screws 4 to rotate synchronously. The rotating handle 503 facilitates the operator's rotation of the internal gear ring 502.

[0024] Furthermore, a flexible pad 11 is fixedly connected to the side of the abutment 8 near the axis of the circular placement groove 2. The flexible pad 11 is made of rubber. By setting the flexible pad 11, the abutment 8 can be made more stable and secure when clamping and fixing the gas cylinder.

[0025] Furthermore, the detection mechanism 10 includes an air storage tank 1001, a booster pump 1002, and a pressure monitor 1003 mounted on the top of the fixed frame 9. A first pipe 1004 is connected between the air storage tank 1001 and the air inlet of the booster pump 1002. A valve 1005 is mounted on the first pipe 1004. A fixed plate 1006 is fixedly connected to one side of the fixed frame 9. A threaded rod 1007 is rotatably connected between the top of the fixed plate 1006 and the fixed frame 9. A motor 1008 is fixedly connected to the fixed frame 9. The output end of the motor 1008 is connected to the bottom end of the threaded rod 1007. A lifting seat 1009 is threadedly connected to the threaded rod 1007. A connector 10010 is mounted at the bottom of the lifting seat 1009. A second pipe 10011 is connected between the air outlet of the booster pump 1002 and the pressure monitor 1003 and the connector 10010. When in use, the testing mechanism 10 starts the motor 1008 to drive the threaded rod 1007 to rotate, which in turn drives the lifting seat 1009 to move the connector 10010 downward to connect with the gas cylinder mouth. After the connection is completed, the valve 1005 is opened, and the booster pump 1002 works to inject gas into the gas cylinder until the gas cylinder is damaged. The maximum pressure that the gas cylinder can withstand is observed by the pressure monitoring instrument 1003. A portion of the gas cylinders in a batch of products are sampled for testing to obtain the pressure resistance performance of the gas cylinder. The operation is simple and practical, which is conducive to its widespread use.

[0026] Furthermore, the connector 10010 is detachable. When inspecting gas cylinders, a suitable connector 10010 can be replaced according to the diameter of the gas cylinder opening. The second pipe 10011 is a flexible hose, facilitating the vertical movement of the lifting seat 1009 without restriction. A guide rod 12, parallel to the threaded rod 1007, is fixedly connected between the top of the fixing plate 1006 and the fixing frame 9. The lifting seat 1009 is slidably connected to the guide rod 12. By setting the guide rod 12, the lifting seat 1009 can be guided, preventing it from shaking or rotating during vertical movement and improving its stability.

[0027] In use, the gas cylinder is placed in the circular placement slot 2. Then, the inspector rotates the handle 503 to drive the internal gear ring 502 to rotate. When the internal gear ring 502 rotates, it drives each pinion 501 to rotate synchronously, which in turn drives each double-sided lead screw 4 to rotate synchronously. This drives the upper and lower slide blocks 6 in the slide groove 3 to slide in opposite directions. With the cooperation of the support rod 7, the abutment plate 8 is pushed closer to the gas cylinder. Several abutment plates 8 will move towards the gas cylinder synchronously and then abut against the outer wall of the gas cylinder. With the cooperation of several abutment plates 8, the gas cylinder is clamped. Tightly fix the gas cylinder, then start the motor 1008 to drive the threaded rod 1007 to rotate, thereby driving the lifting seat 1009 to move the connector 10010 downwards to connect with the gas cylinder opening. After connection, open the valve 1005, and the booster pump 1002 will work to inject gas into the gas cylinder until the gas cylinder is damaged. The maximum pressure that the gas cylinder can withstand is observed by the pressure monitoring instrument 1003. A portion of the gas cylinders in a batch of products are sampled for testing to determine the pressure resistance of the gas cylinder. The operation is simple and practical, which is conducive to its widespread use.

[0028] The above-described embodiments are preferred embodiments of the present utility model and are only used to facilitate the illustration of the present utility model. They are not intended to limit the present utility model in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present utility model without departing from the scope of the technical features of the present utility model shall still fall within the scope of the technical features of the present utility model.

Claims

1. A gas cylinder testing device, comprising a testing platform (1), characterized in that, Support legs are fixedly connected to the four corners of the bottom of the testing platform (1). A circular placement groove (2) is opened at the center of the top of the testing platform (1). Several sliding grooves (3) are arranged in a ring array on the inner wall of the circular placement groove (2). A vertically arranged bidirectional lead screw (4) is rotatably connected in the sliding groove (3). The bottom end of each bidirectional lead screw (4) extends to the bottom of the testing platform (1) and is connected to a drive assembly (5) in a linkage. Two symmetrically arranged slide seats (6) are threaded on the upper and lower threaded surfaces of the bidirectional lead screw (4). The slide seats (6) are slidably arranged in the sliding groove (3). A support rod (7) is hinged to the outside of the slide seat (6). The two support rods (7) are hinged to a stop plate (8) at the end away from the slide seat (6). A fixed frame (9) is fixedly connected to the top of the testing platform (1) near the edge. A testing mechanism (10) is provided on the fixed frame (9).

2. The gas cylinder detection device according to claim 1, characterized in that, The drive assembly (5) includes a pinion (501) fixedly connected to the bottom of the bidirectional lead screw (4), an internal gear ring (502) rotatably connected to the bottom of the detection table (1), the internal gear ring (502) and the circular placement groove (2) being on the same axis, each of the pinions (501) being located in the inner ring of the internal gear ring (502) and meshing with the internal gear ring (502), and a rotating handle (503) fixedly connected to the bottom of the internal gear ring (502).

3. The gas cylinder detection device according to claim 1, characterized in that, A flexible pad (11) is fixedly connected to the side of the abutment (8) near the axis of the circular placement groove (2), and the flexible pad (11) is made of rubber.

4. The gas cylinder detection device according to claim 1, characterized in that, The detection mechanism (10) includes a gas storage tank (1001), a booster pump (1002), and a pressure monitoring instrument (1003) mounted on the top of the fixed frame (9). A first pipe (1004) is connected between the gas storage tank (1001) and the air inlet of the booster pump (1002). A valve (1005) is mounted on the first pipe (1004). A fixing plate (1006) is fixedly connected to one side of the fixed frame (9). The top of the fixing plate (1006) is rotatably connected to the fixed frame (9). A threaded rod (1007) is provided, and a motor (1008) is fixedly connected to the fixed frame (9). The output end of the motor (1008) is connected to the bottom end of the threaded rod (1007). A lifting seat (1009) is threadedly connected to the threaded rod (1007). A connector (10010) is provided at the bottom of the lifting seat (1009). A second pipe (10011) is connected between the air outlet of the booster pump (1002) and between the pressure monitor (1003) and the connector (10010).

5. The gas cylinder detection device according to claim 4, characterized in that, The connector (10010) is detachable. When testing the gas cylinder, the connector (10010) can be replaced with a suitable one according to the diameter of the gas cylinder opening. The second pipe (10011) is a flexible hose, which facilitates the up and down movement of the lifting seat (1009) without restriction. The top of the fixing plate (1006) and the fixing frame (9) are fixedly connected to a guide rod (12) that is parallel to the threaded rod (1007). The lifting seat (1009) is slidably connected to the guide rod (12).

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