Plate pair pressure test device

Abstract

The utility model discloses a plate pair pressure test device, particularly relates to the technical field of heat exchange equipment detection, and comprises a water tank, a plate pair main body is movably arranged in the water tank, first side plates are fixedly connected to the top edges of the two sides of the water tank, and second side plates are fixedly connected to the top edges of the two sides in the water tank. A moving assembly is arranged between the two second side plates and comprises a lead screw, a sliding rod, two sliding blocks and a mesh plate, and the top end of the lead screw is movably connected with one second side plate through a bearing. The screw rod can be driven to rotate by rotating the handle, the screw rod can drive the mesh plate to move upwards, then the plate pair main body is placed on the mesh plate, and the mesh plate can be driven to move downwards by rotating the handle reversely in the same way, so that the plate pair main body is driven to move downwards, and water in the water tank submerges the plate pair main body; the sealing performance of the plate pair body is detected, the operation is simple, and the plate pair body in the water tank is convenient to take out.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange equipment detection, and more specifically, to a plate pair pressure testing device. Background Art

[0002] A plate heat exchanger, consisting of a series of stacked plate pairs, is a compact, high-heat-transfer device. Due to its unique advantages, plate heat exchangers are widely used in the machinery, petrochemical, nuclear power, and marine industries, performing heat exchange tasks such as heating, evaporation, waste heat recovery, cooling, and condensation. Plate pairs are leak-tested before use to ensure they will not leak in practice.

[0003] When testing the plate pair, the liquid inlet and outlet ends of the plate pair are first sealed, and then the plate pair is placed in a water tank, and the water in the water tank completely submerges the plate pair to test the sealing of the plate pair. However, when removing the plate pair, it is necessary to reach into the water tank, which is complicated and inconvenient to remove the plate pair at the bottom of the water tank. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a plate pair pressure testing device, which aims to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a plate pair pressure test device, used for sealing detection of a plate pair main body, comprising a water tank, the plate pair main body movably arranged inside the water tank, a first side panel fixedly connected at the top edge positions on both sides of the water tank, a second side panel fixedly connected at the top edge positions on both sides of the interior of the water tank, a movable assembly is arranged between the two second side panels, the movable assembly comprises a screw rod, a sliding rod, two sliders and a mesh plate, the top end of the screw rod is movably connected to one of the second side panels via a bearing, the top end of the sliding rod is fixedly connected to the other second side panel, the two sliders are movably mounted on the mesh plates respectively, and the opposite sides of the two sliders are fixedly connected to the mesh plates, and the top end of the mesh plates is in contact with the plate pair main body.

[0006] Furthermore, a handle is movably provided on the top of one of the second side panels, and the bottom end of the handle is fixedly connected to the screw rod.

[0007] It can be seen that in the above technical solution, the screw rod is driven to rotate conveniently.

[0008] Furthermore, both side edges of the top of the mesh plate are fixedly connected to limit plates.

[0009] It can be seen that in the above technical solution, the two limit plates can prevent the plate pair body from contacting the screw rod or the sliding rod.

[0010] Furthermore, the plate is fixedly connected to both sides of the main body with end heads, and rubber plugs are embedded and installed inside the two end heads, one of the rubber plugs is provided with an air intake assembly, and the air intake assembly includes an air pipe, a joint, a valve and a pressure gauge.

[0011] Furthermore, the two ends of the air pipe are fixedly connected to one of the rubber plugs and the joint respectively, the valve and the pressure gauge are fixedly installed on the air pipe, and the valve is fixedly connected to one side of the water tank.

[0012] Furthermore, a threaded piston is movably provided at the bottom of the water tank, and the top end of the threaded piston extends into the water tank and is threadedly connected thereto.

[0013] It can be seen that in the above technical solution, the water in the water tank can be discharged by rotating the threaded piston and moving it away from the water tank.

[0014] Furthermore, a support frame is movably provided at the bottom of the water tank, and the top ends of the support frame are fixedly connected to the two first side panels.

[0015] It can be seen that in the above technical solution, the water tank is supported for convenience.

[0016] Technical effects and advantages of this utility model:

[0017] 1. The utility model can drive the screw to rotate by turning the handle, and the screw can drive the mesh plate to move upward, and then the plate pair body is placed on the mesh plate. Similarly, reversing the handle can drive the mesh plate to move downward, thereby driving the plate pair body to move downward, and allowing the water in the water tank to submerge the plate pair body, so as to test the sealing of the plate pair body. The operation is simple and convenient for removing the plate pair body from the water tank;

[0018] 2. The utility model seals the two ends by inserting two rubber plugs into the two ends respectively, then connects the joint to the gas cylinder, opens the valve, and introduces air into the plate pair main body through the air pipe. The pressure of the introduced air is tested by a pressure gauge. If the plate pair main body does not leak for five seconds, it is qualified. The utility model has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0020] Figure 1 It is a structural diagram of the plate pair in the background technology;

[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 This is a bottom view of the overall structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the assembly structure of the water tank and the second side panel of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the mobile component of the utility model;

[0025] Figure 6 This is a schematic diagram of the assembly structure of the rubber plug and the air intake component of the utility model.

[0026] In the figure: 1. Water tank; 2. Plate pair main body; 3. First side panel; 4. Moving assembly; 5. Second side panel; 6. Support frame; 7. Air intake assembly; 8. Threaded piston; 9. End; 10. Rubber plug; 401. Screw rod; 402. Sliding rod; 403. Sliding block; 404. Mesh plate; 405. Handle; 406. Limit plate; 701. Air pipe; 702. Connector; 703. Valve; 704. Pressure gauge. DETAILED DESCRIPTION

[0027] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0028] Refer to the instruction manual Figure 1-6The plate pair pressure test device of this embodiment is used for sealing detection of the plate pair main body 2, including a water tank 1, the plate pair main body 2 is movably arranged inside the water tank 1, the top edge positions of both sides of the water tank 1 are fixedly connected with a first side plate 3, the top edge positions of both sides of the interior of the water tank 1 are fixedly connected with a second side plate 5, a moving component 4 is arranged between the two second side plates 5, the moving component 4 includes a screw rod 401, a slide rod 402, two sliders 403 and a mesh plate 404, the top of the screw rod 401 is connected to one of the second side plates 5 is movably connected through a bearing, the top end of the slide rod 402 is fixedly connected to the other second side plate 5, the two sliders 403 are movably sleeved on the mesh plate 404, and the opposite sides of the two sliders 403 are fixedly connected to the mesh plate 404, the top end of the mesh plate 404 is in contact with the plate pair body 2, a handle 405 is movably provided on the top of one of the second side plates 5, and the bottom end of the handle 405 is fixedly connected to the screw rod 401, and the edge positions on both sides of the top end of the mesh plate 404 are fixedly connected to the limit plates 406.

[0029] Furthermore, both sides of the plate pair main body 2 are fixedly connected with end heads 9, and rubber plugs 10 are embedded and installed inside the two end heads 9. An air intake assembly 7 is provided on one of the rubber plugs 10, and the air intake assembly 7 includes an air pipe 701, a joint 702, a valve 703 and a pressure gauge 704. The two ends of the air pipe 701 are respectively fixedly connected with one of the rubber plugs 10 and the joint 702, and the valve 703 and the pressure gauge 704 are both fixedly installed on the air pipe 701, and the valve 703 is fixedly connected to one side of the water tank 1.

[0030] Among them, the plate pair main body 2 is placed on the mesh plate 404, and then the two rubber plugs 10 are respectively inserted into the two end heads 9 to seal the two end heads 9. Then the joint 702 is connected to the gas cylinder, the valve 703 is opened, and air is introduced into the plate pair main body 2 through the air pipe 701. The pressure of the introduced air is detected by the pressure gauge 704. If the plate pair main body 2 does not leak for five seconds, it is qualified. The structure is simple and easy to use.

[0031] Furthermore, a threaded piston 8 is movably provided at the bottom of the water tank 1 , and the top end of the threaded piston 8 extends into the water tank 1 and is threadedly connected thereto. By rotating the threaded piston 8 and moving it away from the water tank 1 , the water in the water tank 1 can be discharged.

[0032] Furthermore, a support frame 6 is movably provided at the bottom of the water tank 1 , and the top ends of the support frames 6 are fixedly connected to the two first side panels 3 , so that the water tank 1 can be supported by the support frames 6 .

[0033] The method of using this embodiment is:

[0034] During use, the staff turns the handle 405 to drive the screw rod 401 to rotate. Since one of the screw rods 401 is threadedly connected to the slider 403, and the other slider 403 cooperates with the slide rod 402 to limit the rotation of the mesh plate 404, the screw rod 401 can drive the mesh plate 404 to move upward, and then place the plate pair body 2 on the mesh plate 404. Similarly, reversing the handle 405 can drive the mesh plate 404 to move downward, thereby driving the plate pair body 2 to move downward, and allowing the water in the water tank 1 to submerge the plate pair body 2, and test the sealing of the plate pair body 2. The operation is simple and it is convenient to take out the plate pair body 2 in the water tank 1. At the same time, the two limit plates 406 can prevent the plate pair body 2 from contacting the screw rod 401 or the slide rod 402.

[0035] The contents not described in detail in the specification belong to the existing technology known to those skilled in the art. 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 scope of protection of the present invention.

Claims

1. A plate pair pressure test device, used for testing the sealing performance of a plate pair body (2), characterized by: The invention comprises a water tank (1), a plate pair main body (2) movably arranged inside the water tank (1), first side plates (3) fixedly connected at the top edge positions of both sides of the water tank (1), second side plates (5) fixedly connected at the top edge positions of both sides of the water tank (1), a moving component (4) arranged between the two second side plates (5), the moving component (4) comprising a screw rod (401), a slide rod (402), two sliders (403) and a mesh plate (404), the top end of the screw rod (401) being movably connected to one of the second side plates (5) via a bearing, the top end of the slide rod (402) being fixedly connected to the other second side plate (5), the two sliders (403) being movably sleeved on the mesh plate (404), and the opposite sides of the two sliders (403) being fixedly connected to the mesh plate (404), the top end of the mesh plate (404) being in contact with the plate pair main body (2).

2. The plate pair pressure testing device according to claim 1, characterized in that: A handle (405) is movably provided on the top of one of the second side panels (5), and the bottom end of the handle (405) is fixedly connected to the screw rod (401).

3. The plate pair pressure testing device according to claim 1, characterized in that: Limiting plates (406) are fixedly connected to both side edges of the top end of the mesh plate (404).

4. The plate pair pressure testing device according to claim 1, characterized in that: The plate is fixedly connected to both sides of the main body (2) with end heads (9), and rubber plugs (10) are embedded and installed inside the two end heads (9). An air intake assembly (7) is provided on one of the rubber plugs (10), and the air intake assembly (7) includes an air pipe (701), a joint (702), a valve (703) and a pressure gauge (704).

5. The plate pair pressure testing device according to claim 1, characterized in that: The two ends of the air pipe (701) are fixedly connected to one of the rubber plugs (10) and the joint (702), respectively. The valve (703) and the pressure gauge (704) are both fixedly installed on the air pipe (701), and the valve (703) is fixedly connected to one side of the water tank (1).

6. The plate pair pressure testing device according to claim 1, characterized in that: A threaded piston (8) is movably provided at the bottom of the water tank (1), and the top end of the threaded piston (8) extends into the water tank (1) and is threadably connected thereto.

7. The plate pair pressure testing device according to claim 1, characterized in that: A support frame (6) is movably provided at the bottom of the water tank (1), and the top ends of the support frame (6) are fixedly connected to the two first side panels (3).

Images