CN218781955U - Sealing test device capable of recovering pump set - Google Patents

Abstract

The utility model discloses a tightness test device of a recoverable pump group, which comprises a workbench, wherein the bottom of the workbench is fixedly connected with a supporting leg, and the side surface of the workbench is connected with a controller; one side of the upper surface of the workbench is fixedly connected with an installation plate, and the other side of the upper surface of the workbench is connected with a movable plate in a sliding manner; the surfaces of the opposite sides of the mounting plate and the moving plate are provided with positioning lantern rings, and clamping assemblies are arranged in the positioning lantern rings; the upper surface of the workbench on one side of the mounting plate is provided with a water supply assembly, and the upper surface of the workbench on one side of the movable plate is provided with a drainage assembly. The device has solved current pipe fitting leakproofness detection device and can't effectively solve sealed problem, and can't carry out the problem that detects to the condition of leak source position and water leakage size, but has the accurate observation leak source position to can judge the characteristics of the big or small condition of leak source crack through the water leakage.

Description

A tightness test device for a recoverable pump set

technical field

The utility model belongs to the technical field of sealing test, in particular to a sealing test device of a recoverable pump group.

Background technique

The pump set refers to the integration of pipelines, valves, instruments, water (gas) pumps, etc. into the platform for unified management. When recycling the pump set, it is necessary to seal the pipelines, valves, instruments, and water (gas) pumps. Inspection experiments, especially for pipes. After long-term use of pipes, there will be very small cracks on the inner wall of some pipes. If they are not inspected, it will lead to air leakage or water leakage during use, which greatly reduces its performance. Safety: In the prior art, the pipeline is often tested by pumping air. For example, the patent No. "CN207751658U" provides a pipeline airtightness detection device, including a bracket and a clamp set above the bracket. Mechanism and sealing mechanism, the clamping mechanism includes a support block for supporting the pipe to be tested, the upper surface of the support block is provided with a first pressure block that matches the outer surface of the pipe, and above the first pressure block is provided with the first pressure block The matched second briquetting block is used to support the pipeline to be tested. The top of the second briquetting block is connected with the first air cylinder. The first air cylinder is connected to the connecting seat connected with the bracket. The sealing cap and the sealing sleeve used for sealing the sealing cap and the end of the pipe to be tested are connected with the high-pressure gas storage tank arranged in the bracket. The detection device described in the utility model effectively strengthens the fixing effect of the position through the clamping mechanism. One end of the pipeline to be tested is provided with a second cylinder connected to the sealing cap, which can facilitate the taking and placing of the pipeline; the device passes the pump air, and then detects Whether the air pressure drops is used for air tightness detection, but the detection structure is limited due to the sealing condition of the connection between the pipe fittings and the device, and it is impossible to effectively detect where the specific leak point is; therefore, it is urgent to provide a seal for a recyclable pump set A test device to solve the above problems.

Contents of the invention

The technical problem to be solved by the utility model is to provide a leak test device for a recyclable pump group. It has the characteristics of accurately observing the location of the leak point and judging the size of the leak point crack by the amount of water leakage.

In order to realize the above-mentioned design, the technical solution adopted by the utility model is: a sealing test device for a recyclable pump set, including a workbench, the bottom of the workbench is fixedly connected with outriggers, and the side surface of the workbench is connected with a controller; One side of the upper surface of the workbench is fixedly connected with a mounting plate, and the other side is slidingly connected with a moving plate; a positioning collar is arranged on the opposite side of the mounting plate and the moving plate, and a clamping component is arranged inside the positioning collar; the mounting plate The upper surface of the workbench on one side is provided with a water supply assembly, and the upper surface of the workbench on one side of the moving plate is provided with a drainage assembly.

Preferably, the clamping assembly includes a plurality of locking bolts that are threadedly connected to the surface of the positioning collar, and the ends of the locking bolts are connected with a clamping plate that interferes with the outer wall of the pipe to be tested; the surface of the mounting plate at the axis of the positioning collar and the mobile The surface of the plate is provided with a through hole, the periphery of the through hole is connected with an annular sealing gasket, and the surface of the sealing gasket is provided with an annular sealing groove to be plugged and matched with the end of the pipe to be tested.

Further, the gasket is connected to the surface of the plate by glue, and the edge of the glue is provided with waterproof glue.

Preferably, the water supply assembly includes a water tank, the water supply tank is provided with a second water pump, the second water pump is connected with a detachable water supply pipe, one end of the water supply pipe passes through the through hole on the surface of the mounting plate, and is located at the axis of the positioning collar.

Preferably, the drainage assembly includes a recovery box, on which a first water pump is arranged, the first water pump is connected with a detachable suction pipe, and one end of the suction pipe runs through the through hole on the surface of the moving plate, and is located at the axis of the positioning collar.

Preferably, filter nets are embedded in positions of the installation plate and the moving plate relative to the water supply pipe and the water suction pipe.

Preferably, the lower surface of the moving plate is slidably connected to the workbench through slide rails, a second electric push rod is connected to the side of the moveable plate away from the installation plate, one end of the second electric push rod is connected to the side plate, and the side plate is connected to the workbench connect.

Preferably, the inner wall of the recovery tank is provided with a liquid level sensor, one side surface of the recovery tank is connected with a bellows, one end of the bellows is connected with a third water pump, and the third water pump is arranged on the upper surface of the water tank.

Further, the controller selects Siemens S7-200PLC single-chip microcomputer; the preferred model of the liquid level sensor is DX130 liquid level sensor.

The beneficial effects of the utility model are as follows:

The sealing test device of the recyclable pump set can fix the waste pipeline by setting the clamping component, can test the sealing of the waste pipeline by setting the water supply component, and can store the detected water source by setting the drainage component , in addition, when the water source collected in the recovery tank reaches a certain liquid level, the third water pump can be controlled by the liquid level sensor, and the water in the recovery tank can be transported to the water tank for circulation under the connection of the bellows Utilization greatly increases the practicability of the device.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the utility model's main view section structure;

Fig. 3 is a schematic diagram of the rear view structure of the utility model;

Fig. 4 is the structural representation of gasket in the utility model;

The reference signs in the figure are: workbench 1, outrigger 2, controller 3, mounting plate 4, moving plate 5, positioning collar 6, clamping plate 7, locking bolt 8, recovery box 9, first water pump 10 , suction pipe 11, water supply pipe 12, second water pump 13, water tank 14, filter screen 15, side plate 16, second electric push rod 17, bellows 18, third water pump 19, liquid level sensor 20, pipe fitting 21 to be tested , Gasket 22, sealing groove 23.

Detailed ways

As shown in Figures 1 to 4, a leak-tight test device for a recyclable pump set includes a workbench 1, the bottom of the workbench 1 is fixedly connected with outriggers 2, and the side surface of the workbench 1 is connected with a controller 3; One side of the upper surface of 1 is fixedly connected with a mounting plate 4, and the other side is slidably connected with a moving plate 5; a positioning collar 6 is provided on the opposite surface of the mounting plate 4 and the moving plate 5, and a clip is arranged inside the positioning collar 6. The upper surface of the workbench 1 on the side of the installation plate 4 is provided with a water supply assembly, and the upper surface of the workbench 1 on the side of the moving plate 5 is provided with a drainage assembly.

Preferably, the clamping assembly includes a plurality of locking bolts 8 threaded on the surface of the positioning collar 6, and the ends of the locking bolts 8 are connected with a clamping plate 7 that interferes with the outer wall of the pipe to be tested 21; The surface of the mounting plate 4 and the surface of the moving plate 5 are all provided with a through hole, the periphery of the through hole is connected with an annular gasket 22, and the surface of the gasket 22 is provided with an annular sealing groove 23 to be plugged with the end of the pipe fitting 21 to be measured.

Further, the gasket 22 is connected to the surface of the board by glue, and waterproof glue is provided on the edge of the glue.

Preferably, the water supply assembly includes a water tank 14, the second water pump 13 is arranged on the water supply tank 14, the second water pump 13 is connected with a detachable water supply pipe 12, and one end of the water supply pipe 12 runs through the through hole on the surface of the mounting plate 4, and is located on the positioning sleeve. At the axis of ring 6.

Preferably, the drainage assembly includes a recovery box 9, the recovery box 9 is provided with a first water pump 10, the first water pump 10 is connected with a detachable water suction pipe 11, and one end of the water suction pipe 11 runs through the through hole on the surface of the moving plate 5, and is positioned at At the axis of the collar 6.

Preferably, a filter screen 15 is embedded in the positions of the installation plate 4 and the moving plate 5 relative to the water supply pipe 12 and the water suction pipe 11 .

Preferably, the lower surface of the moving plate 5 is slidably connected to the workbench 1 through slide rails, the side of the moving plate 5 away from the mounting plate 4 is connected to a second electric push rod 17, and one end of the second electric push rod 17 is connected to the side plate 16 Connection, side plate 16 is connected with workbench 1.

Preferably, the inner wall of the recovery tank 9 is provided with a liquid level sensor 20, one side surface of the recovery tank 9 is connected with a bellows 18, and one end of the bellows 18 is connected with a third water pump 19, and the third water pump 19 is arranged on the water tank 14 surface.

Further, the controller 3 selects a Siemens S7-200PLC single-chip microcomputer; the preferred model of the liquid level sensor 20 is a DX130 liquid level sensor 20 .

The working principle of the utility model is as follows:

Before carrying out the air tightness test on the waste pipes in the recyclable pump group, the waste pipes 21 to be tested are first arranged inside the positioning collar 6 on the side of the installation plate 4, and the seal between the ends of the pipes and the gasket 22 is sealed. The groove 23 is plugged to form a seal; then the pipe is fixed by the locking bolt 8 and the clamping plate 7; then the second electric push rod 17 is controlled by the controller 3, so that it drives the moving plate 5 toward the position close to the mounting plate 4 The position is moved until the positioning collar 6 on the moving plate 5 is sleeved on the outside of the waste pipe, and then the other end of the waste pipe is fixed by the clamping assembly on the positioning collar 6, thereby completing the positioning of both ends of the waste pipe. Fixed; when performing air tightness detection on the waste pipes in the recyclable pump group, the second water pump 13 is controlled by the controller 3, so that the water source inside the water tank 14 enters the inside of the waste pipes under the action of the water supply pipe 12, If there is a crack in the waste pipe, the water injected into the waste pipe will be ejected, and vice versa; when the detection of the waste pipe is completed, the second water pump 13 stops working, and the controller 3 controls the first water pump 10 , under the action of the suction pipe 11, the water source inside the waste pipeline can be pumped into the interior of the recovery box 9 for storage; when the water source collected inside the recovery box 9 reaches a certain liquid level, the liquid level sensor 20 can The third water pump 19 is controlled, and under the connection of the bellows 18, the water in the recovery tank 9 can be delivered to the water tank 14 for recycling.

The above-mentioned embodiments are only preferred technical solutions of the present utility model, and should not be regarded as limitations on the present utility model. The embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other if there is no conflict. The scope of protection of the utility model shall be the technical solution described in the claims, including the equivalent replacements of the technical features in the technical solution described in the claims. That is, equivalent replacement and improvement within this scope are also within the protection scope of the present utility model.

Claims (7)

1. A tightness test device for a recoverable pump group comprises a workbench (1), wherein the bottom of the workbench (1) is fixedly connected with supporting legs (2), and the side surface of the workbench (1) is connected with a controller (3); the method is characterized in that: one side of the upper surface of the workbench (1) is fixedly connected with a mounting plate (4), and the other side is slidably connected with a movable plate (5); positioning lantern rings (6) are arranged on the surfaces of the opposite sides of the mounting plate (4) and the moving plate (5), and clamping assemblies are arranged inside the positioning lantern rings (6); the upper surface of the workbench (1) on one side of the mounting plate (4) is provided with a water supply assembly, and the upper surface of the workbench (1) on one side of the moving plate (5) is provided with a water drainage assembly.

2. A leak test apparatus for a retrievable pump set according to claim 1, characterised in that: the clamping assembly comprises a plurality of locking bolts (8) in threaded connection with the surface of the positioning lantern ring (6), and the end parts of the locking bolts (8) are connected with clamping plates (7) which are in interference fit with the outer wall of the pipe fitting (21) to be tested; through holes are formed in the surface of the mounting plate (4) and the surface of the movable plate (5) at the axis of the positioning sleeve ring (6), an annular sealing gasket (22) is connected to the periphery of the through holes, and an annular sealing groove (23) is formed in the surface of the sealing gasket (22) and matched with the end portion of a pipe fitting (21) to be tested in an inserting mode.

3. A leak test apparatus for a retrievable pump set according to claim 1, characterised in that: the water supply assembly comprises a water tank (14), a second water pump (13) is arranged on the water supply tank (14), the second water pump (13) is connected with a detachable water supply pipe (12), and one end of the water supply pipe (12) penetrates through a through hole in the surface of the mounting plate (4) and is located at the axis of the positioning sleeve ring (6).

4. A leak test apparatus for a retrievable pump set according to claim 1, characterised in that: the water drainage assembly comprises a recovery box (9), a first water pump (10) is arranged on the recovery box (9), the first water pump (10) is connected with a detachable water pumping pipe (11), one end of the water pumping pipe (11) penetrates through a through hole in the surface of the movable plate (5), and the water pumping pipe is located in the axis center of the positioning sleeve ring (6).

5. A leak test apparatus for a retrievable pump set according to claim 1, characterised in that: and a filter screen (15) is embedded in the positions of one side of the mounting plate (4) and one side of the moving plate (5) relative to the water supply pipe (12) and the water pumping pipe (11).

6. A leak test apparatus for a retrievable pump set according to claim 1, characterised in that: the lower surface of the moving plate (5) is connected with the workbench (1) in a sliding mode through a sliding rail, one side, away from the mounting plate (4), of the moving plate (5) is connected with a second electric push rod (17), one end of the second electric push rod (17) is connected with a side plate (16), and the side plate (16) is connected with the workbench (1).

7. The leak test apparatus of a retrievable pump group according to claim 4, wherein: the liquid level sensor (20) is arranged on the inner side wall of the recovery box (9), a corrugated pipe (18) is connected to one side surface of the recovery box (9), a third water pump (19) is connected to one end of the corrugated pipe (18), and the third water pump (19) is arranged on the upper surface of the water tank (14).

Images