Pressure vessel sealing performance testing device

Abstract

The utility model relates to a pressure vessel sealing performance testing device, and aims to solve the technical problems that a pressure vessel needs to be lifted due to the limitation of a water storage tank when the pressure vessel is fixed in the device, so that a clamping device can limit and fix the pressure vessel, and the limiting process is relatively inconvenient, and the pressure vessel sealing performance testing device comprises a base, a set of supports are fixedly connected to the two sides of the top of the base, a multi-stage hydraulic cylinder is arranged in each support, the movable end of each multi-stage hydraulic cylinder is connected with an adjusting mechanism, and a set of bearing mechanisms are symmetrically and fixedly arranged at the lower end of each adjusting mechanism. The multi-stage hydraulic cylinder effectively drives the adjusting mechanism and the bearing mechanism to move downwards, so that the height of the bearing mechanism is reduced, the pressure tank does not need to be lifted, convenience is improved, and after the pressure tank is fixed in the bearing mechanism, the multi-stage hydraulic cylinder effectively drives the adjusting mechanism and the bearing mechanism to move upwards, so that the pressure tank is fixed in the bearing mechanism. And then the transparent water tank is moved forwards to return.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure vessel sealing inspection, in particular to a pressure vessel sealing inspection device. Background Technique

[0002] A pressure vessel refers to a closed device that contains gas or liquid and bears a certain pressure. The sealing inspection of pressure vessels has always been an important link in the production and processing of pressure vessels.

[0003] The patent number CN218239198U discloses a device for inspecting the sealing performance of pressure vessels, which relates to the technical field of sealing detection. It includes a water storage tank and a connecting plate. An elevating device for vertically reciprocating the pressure vessel is provided on the water storage tank. A clamping device for fixing the pressure vessel is provided on the connecting plate. An air pump is fixedly connected to the connecting plate. One end of a hose is fixedly communicated with the air outlet of the air pump. The other end of the hose fixedly penetrates through the connecting plate and fixedly penetrates through a displacement plate. A rubber ring is fixedly connected to the periphery of the displacement plate. The elevating device drives the connecting plate to move up and down. The connecting plate fixes the pressure vessel through the clamping device and brings the pressure vessel into the water storage tank. Then, air is continuously input into the pressure vessel through the air pump and the hose, so that water bubbles continuously emerge from the gaps of the pressure vessel into the water. Furthermore, the pressure vessel is lifted and placed by means of a motor, and there is no need for staff to put their hands into the water storage tank to work.

[0004] However, the above-mentioned device for inspecting the sealing performance of pressure vessels still has the following deficiencies:

[0005] When fixing the pressure vessel in the above device, due to the limitation of the water storage tank, the pressure vessel needs to be lifted so that the clamping device can limit and fix the pressure vessel, and the limiting process is rather inconvenient. In view of this, we propose a pressure vessel sealing inspection device. Content of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and meet the actual needs. It provides a pressure vessel sealing inspection device to solve the technical problem that when fixing the pressure vessel in the above device, due to the limitation of the water storage tank, the pressure vessel needs to be lifted so that the clamping device can limit and fix the pressure vessel, and the limiting process is rather inconvenient.

[0007] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: design a pressure vessel sealing inspection device, including a base. A group of brackets are fixedly connected to both sides of the top of the base. A multi-stage hydraulic cylinder is arranged inside the bracket. The movable end of the multi-stage hydraulic cylinder is connected with an adjusting mechanism. A group of supporting mechanisms are symmetrically and fixedly arranged at the lower end of the adjusting mechanism. A pressure tank is clamped inside a group of the supporting mechanisms. A sliding component is arranged in the middle of the base.

[0008] The sliding component includes a transparent water tank, which is attached to the middle of the base surface. A handle is fixedly connected to the front end surface of the transparent water tank, a slider is fixedly provided at the lower end of the transparent water tank, and a chute is attached to the outside of the slider.

[0009] Preferably, the transparent water tank and the slider are integrally formed, and the transparent water tank and the chute form a snap-fitting sliding structure through the slider.

[0010] Preferably, the adjusting mechanism includes a groove frame fixed to the top of a multi-stage hydraulic cylinder. A positive and negative screw rod is arranged inside the groove frame. One end of the positive and negative screw rod is connected to a motor, and a positioning frame is arranged outside the motor. A group of movable blocks are symmetrically sleeved on the surface of the positive and negative screw rod, and a connecting rod is fixedly connected to the bottom end of the movable block.

[0011] Preferably, the positive and negative screw rod and the movable block are in threaded connection, and the front and rear end faces of the movable block are in contact with the inner wall of the groove frame.

[0012] Preferably, the supporting mechanism includes a supporting frame fixed to the bottom of the connecting rod. A group of cylinder frames are fixedly provided at the top end inside the supporting frame. A spring is arranged inside the cylinder frame, the bottom end of the spring is connected to a T-shaped rod, and an arc-shaped limiting plate is fixedly connected to the bottom end of the T-shaped rod.

[0013] Preferably, the arc-shaped limiting plate and the cylinder frame form an elastic structure through the T-shaped rod and the spring, and the pressure tank is clamped between the arc-shaped limiting plate and the supporting frame.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. When fixing the pressure tank in the present utility model, hold the handle and push the transparent water tank backward to provide space for the descent of the supporting mechanism. Then, the multi-stage hydraulic cylinder effectively drives the adjusting mechanism and the supporting mechanism to move downward, reducing the height of the supporting mechanism. There is no need to lift the pressure tank, improving convenience. After the pressure tank is fixed in the supporting mechanism, the multi-stage hydraulic cylinder effectively drives the adjusting mechanism and the supporting mechanism to move upward, and then move the transparent water tank forward to return to its original position.

[0016] 2. In the present utility model, the motor effectively drives the positive and negative rotation of the positive and negative screw rod, thereby driving a group of movable blocks to move away from or close to each other, and then adjusting the distance between a group of supporting mechanisms, facilitating the adaptation to support pressure tanks of different lengths and improving applicability.

[0017] 3. In the present utility model, lift a group of arc-shaped limiting plates to facilitate placing the pressure tank inside a group of supporting frames. Then release the arc-shaped limiting plates. Affected by the spring return force, the arc-shaped limiting plates move downward and closely fit the surface of the pressure tank to achieve the limit fixation of the pressure tank. Due to the setting of the spring, the height of the arc-shaped limiting plate is adjustable, so that it can be adapted to fit pressure tanks of different diameters. Brief Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the adjusted state structure of the sliding assembly of the present utility model;

[0020] Figure 3 is a schematic diagram of the adjusted state structure of the sliding assembly from another perspective of the present utility model;

[0021] Figure 4 is a schematic diagram of the partial sectional structure of the supporting mechanism of the present utility model;

[0022] In the figure: 1, base; 2, bracket; 3, multi-stage hydraulic cylinder; 4, adjustment mechanism; 5, supporting mechanism; 6, pressure tank; 7, sliding assembly;

[0023] 401, trough frame; 402, positive and reverse screw rod; 403, motor; 404, positioning frame; 405, movable block; 406, connecting rod;

[0024] 501, supporting bracket; 502, cylinder frame; 503, spring; 504, T-shaped rod; 505, arc-shaped limiting plate;

[0025] 701, transparent water tank; 702, handle; 703, slider; 704, chute. Detailed Embodiment

[0026] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0027] A pressure vessel sealing inspection device, as shown in Figures 1 to 4 , includes a base 1, a group of brackets 2 are fixedly connected to both sides of the top of the base 1, a multi-stage hydraulic cylinder 3 is arranged inside the brackets 2, the movable end of the multi-stage hydraulic cylinder 3 is connected with an adjustment mechanism 4, a group of supporting mechanisms 5 are symmetrically and fixedly arranged at the lower end of the adjustment mechanism 4, a pressure tank 6 is clamped inside the group of supporting mechanisms 5, and a sliding assembly 7 is arranged in the middle of the base 1;

[0028] The sliding component 7 includes a transparent water tank 701, which is attached to the middle of the surface of the base 1. A handle 702 is fixedly connected to the front surface of the transparent water tank 701, and a slider 703 is fixedly provided at the lower end of the transparent water tank 701. The outer side of the slider 703 is attached to a chute 704. Among them, the transparent water tank 701 and the slider 703 are integrally formed, and the transparent water tank 701 forms a snap-fit sliding structure with the chute 704 through the slider 703. When fixing the pressure tank 6 in the present utility model, hold the handle 702 and push the transparent water tank 701 backward to provide space for the descent of the supporting mechanism 5. Then, the multi-stage hydraulic cylinder 3 effectively drives the adjusting mechanism 4 and the supporting mechanism 5 to move downward, so that the height of the supporting mechanism 5 is reduced, and there is no need to lift the pressure tank 6, improving convenience. After the pressure tank 6 is fixed in the supporting mechanism 5, the multi-stage hydraulic cylinder 3 effectively drives the adjusting mechanism 4 and the supporting mechanism 5 to move upward, and then move the transparent water tank 701 forward to return to its original position.

[0029] It should be noted that the adjusting mechanism 4 includes a groove frame 401, which is fixed to the top of the multi-stage hydraulic cylinder 3. A positive and negative lead screw 402 is installed inside the groove frame 401. One end of the positive and negative lead screw 402 is connected to a motor 403, and a positioning frame 404 is provided outside the motor 403. A group of movable blocks 405 are symmetrically sleeved on the surface of the positive and negative lead screw 402. Among them, the positive and negative lead screw 402 is threadedly connected to the movable blocks 4, and the front and rear end faces of the movable blocks 405 are in contact with the inner wall of the groove frame 401. The bottom end of the movable block 405 is fixedly connected to a connecting rod 406. In the present utility model, the motor 403 effectively drives the positive and negative rotation of the positive and negative lead screw 402, thereby driving a group of movable blocks 405 to move away from or close to each other, and further adjusting the distance between a group of supporting mechanisms 5, facilitating the adaptation to support pressure tanks 6 of different lengths and improving applicability.

[0030] It should be noted that the supporting mechanism 5 includes a supporting frame 501, which is fixed to the bottom of the connecting rod 406. A group of cylinder frames 502 are fixedly provided at the top end inside the supporting frame 501. A spring 503 is provided inside the cylinder frame 502. The bottom end of the spring 503 is connected to a T-shaped rod 504, and the bottom end of the T-shaped rod 504 is fixedly connected to an arc-shaped limiting plate 505. Among them, the arc-shaped limiting plate 505 forms an elastic structure with the cylinder frame 502 through the T-shaped rod 504 and the spring 503, and the pressure tank 6 is clamped between the arc-shaped limiting plate 505 and the supporting frame 501. In the present utility model, lift a group of arc-shaped limiting plates 505 to facilitate the placement of the pressure tank 6 inside a group of supporting frames 501. Then, release the arc-shaped limiting plate 505. Affected by the resilience of the spring 503, the arc-shaped limiting plate 505 moves downward and closely fits the surface of the pressure tank 6, realizing the limiting and fixing of the pressure tank 6. Due to the setting of the spring 503, the height of the arc-shaped limiting plate 505 is adjustable, so that it can be adapted to fit pressure tanks 6 of different diameters.

[0031] Working principle: The operator holds the handle 702 and pushes the transparent water tank 701 backward, thus providing space for the descent of the supporting mechanism 5. Then, the multi-stage hydraulic cylinder 3 drives the adjusting mechanism 4 and the supporting mechanism 5 to move downward, reducing the height of the supporting mechanism 5. The motor 403 drives the positive and negative lead screw 402 to rotate forward and backward, thereby driving a set of movable blocks 405 to move away from or close to each other, and then adjusting the distance between a set of supporting mechanisms 5 to adapt to a pressure tank 6 of a certain length. Then, a set of arc-shaped limiting plates 505 are lifted to facilitate the placement of the pressure tank 6 inside a set of supporting brackets 501. After that, the arc-shaped limiting plates 505 are released. Affected by the resilience of the spring 503, the arc-shaped limiting plates 505 move downward and closely fit the surface of the pressure tank 6, realizing the limiting and fixing of the pressure tank 6. Then, one end opening of the pressure tank 6 is plugged with a piston, and the other end opening is connected to a hose. Then, the multi-stage hydraulic cylinder 3 drives the adjusting mechanism 4 and the supporting mechanism 5 to move upward, and then the transparent water tank 701 is moved forward to its original position. During the detection, the multi-stage hydraulic cylinder 3 drives the adjusting mechanism 4 and the supporting mechanism 5 to move downward again, immersing the pressure tank 6 in the water in the transparent water tank 701. An external air pump and a hose are used to continuously supply air into the pressure tank 6. The detection situation of the pressure tank 6 in the water is observed through the transparent water tank 701. When there is a gap in the pressure tank 6, water bubbles will continuously emerge into the water. When there is no gap in the pressure tank 6, the gas in the pressure tank 6 will become more and more, and finally the piston will be pushed out.

[0032] The embodiments disclosed in this utility model are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of this utility model based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of this utility model, they are within the protection scope of this utility model.

Claims

1. A pressure vessel sealing inspection device, comprising a base (1), characterized in that, On both sides of the top of the base (1), a group of brackets (2) are fixedly connected. A multi-stage hydraulic cylinder (3) is arranged inside the bracket (2). The movable end of the multi-stage hydraulic cylinder (3) is connected to an adjusting mechanism (4). A group of supporting mechanisms (5) are symmetrically and fixedly arranged at the lower end of the adjusting mechanism (4). A pressure tank (6) is clamped inside a group of the supporting mechanisms (5). A sliding assembly (7) is arranged in the middle of the base (1). The sliding assembly (7) includes a transparent water tank (701). The transparent water tank (701) is attached to the middle of the surface of the base (1). A handle (702) is fixedly connected to the front surface of the transparent water tank (701). A slider (703) is fixedly arranged at the lower end of the transparent water tank (701). The outside of the slider (703) is attached to a chute (704).

2. The sealing performance inspection device for a pressure vessel according to claim 1, characterized in that, The transparent water tank (701) and the slider (703) are integrally formed. The transparent water tank (701) and the chute (704) form a snap-fitting sliding structure through the slider (703).

3. The hermeticity inspection device for a pressure vessel according to claim 1, characterized in that, The adjusting mechanism (4) includes a groove frame (401). The groove frame (401) is fixed to the top of the multi-stage hydraulic cylinder (3). A positive and negative lead screw (402) is arranged inside the groove frame (401). One end of the positive and negative lead screw (402) is connected to a motor (403). A positioning frame (404) is arranged outside the motor (403). A group of movable blocks (405) are symmetrically sleeved on the surface of the positive and negative lead screw (402). A connecting rod (406) is fixedly connected to the bottom end of the movable block (405).

4. The pressure vessel sealing inspection device according to claim 3, characterized in that, The positive and negative lead screw (402) and the movable block (405) are in threaded connection. The front and rear end faces of the movable block (405) are attached to the inner wall of the groove frame (401).

5. The hermeticity inspection device for a pressure vessel according to claim 3, wherein, The supporting mechanism (5) includes a supporting bracket (501). The supporting bracket (501) is fixed to the bottom of the connecting rod (406). A group of cylinder frames (502) are fixedly arranged at the top end inside the supporting bracket (501). A spring (503) is arranged inside the cylinder frame (502). The bottom end of the spring (503) is connected to a T-shaped rod (504). An arc-shaped limiting plate (505) is fixedly connected to the bottom end of the T-shaped rod (504).

6. The pressure vessel sealing inspection device according to claim 5, wherein The arc-shaped limiting plate (505) and the cylinder frame (502) form an elastic structure through the T-shaped rod (504) and the spring (503). The pressure tank (6) is clamped between the arc-shaped limiting plate (505) and the supporting bracket (501).

Images