CN222671405U - Valve pressure testing machine with caliber adjusting structure - Google Patents

Abstract

The utility model discloses a valve pressure tester with a caliber adjustment structure, comprising an operating table and a detection table arranged on one side of the operating table, a fixed frame with a C-shaped structure is fixedly connected to the top of the detection table, an electric push rod is fixedly connected to the top of the fixed frame, a movable plate is fixedly connected to the bottom of the piston rod of the electric push rod, a gas pipe is fixedly connected to the bottom of the movable plate and the bottom of the fixed frame, and a pressure test assembly is arranged at one end of the two gas pipes facing each other; the pressure test assembly comprises a rotary joint fixedly connected to the gas pipe at a fixed end, a plurality of connecting pipes fixedly connected to the rotating end of the rotary joint, a plurality of control valves arranged at the outer sides of the corresponding connecting pipes, and a plurality of pressure test heads fixedly connected to the ends of the corresponding connecting pipes, and the plurality of pressure test heads are arranged to structures of different calibers. Through the above structure, by arranging pressure test heads of different calibers, it is convenient to be applied to valves of different calibers, and the operation is simple and the use is flexible.

Description

Valve pressure testing machine with caliber adjusting structure

Technical Field

The utility model relates to the technical field of valve detection equipment, in particular to a valve pressure testing machine with a caliber adjusting structure.

Background

The valve pressure testing machine is an important device in the valve production process and is used for testing the sealing performance and the bearing capacity of the valve. The traditional valve pressure testing machine is only suitable for valves with specific calibers, corresponding pressure testing heads and clamps are required to be replaced for valves with different calibers, and the operation is complex and the efficiency is low.

In the prior art, through retrieving, find chinese patent and disclose a valve pressure test machine, its application number is 202223011247.2, this patent mainly includes the operation panel, the right side fixedly connected with of operation panel detects the platform, the link is installed at the top of detecting the platform inner wall, the surface cover of link is equipped with the seal head, the transmission groove has been seted up to the inside of link, the inside of transmission groove is provided with the bull stick, the top and the bottom of bull stick all pass through the inner wall swing joint of axle sleeve and transmission groove, the fixed surface of bull stick is connected with first gear, the left side meshing of first gear has the second gear, the outside to the link is run through in the left side of second gear, the left side fixedly connected with motor of link, the output fixed connection of motor is at the top of second gear. Said utility model can be used for mounting and dismounting sealing heads with different sizes, so that it can save equipment cost and can raise practicality of pressure-testing machine. However, although the universality of the equipment is improved to a certain extent by replacing the sealing head through the disassembling and assembling work, complicated disassembling and assembling work is still required for replacing the sealing head with a common caliber, the convenience and the efficiency of operation are affected, and the use is not convenient enough. Therefore, a valve test press with a caliber adjusting structure is provided by a person skilled in the art to solve the problems in the prior art.

Disclosure of utility model

The utility model aims to provide a valve pressure testing machine with a caliber adjusting structure, by arranging pressure testing heads with different calibers and opening corresponding control valves, the on-off state of the pressure testing heads can be adjusted by the other control valves in an off state, and the valve pressure testing machine is convenient to be suitable for valves with different calibers, and is simple to operate and flexible to use.

In order to achieve the above purpose, the valve pressure testing machine with the caliber adjusting structure comprises an operation table and a detection table arranged on one side of the operation table, wherein the top of the detection table is fixedly connected with a fixing frame with a C-shaped structure, the top of the fixing frame is fixedly connected with an electric push rod, the bottom of a piston rod of the electric push rod is fixedly connected with a movable plate, the bottom of the movable plate and the bottom of the fixing frame are fixedly connected with gas pipes, and one ends of the two gas pipes opposite to each other are provided with pressure testing components;

The pressure testing assembly comprises a rotary joint, a plurality of connecting pipes, a plurality of control valves, a plurality of pressure testing heads and a plurality of structures, wherein the rotary joint is fixedly connected with the fixed end of the pressure testing assembly and the gas pipe, the connecting pipes are fixedly connected to the rotary ends of the rotary joints, the control valves are arranged on the outer sides of the corresponding connecting pipes, the pressure testing heads are fixedly connected to the end parts of the corresponding connecting pipes, and the pressure testing heads are of structures with different calibers.

According to the valve pressure testing machine with the caliber adjusting structure, the outer sides of the two gas transmission pipes are connected with gas inlet and outlet pipes, one of the two gas inlet and outlet pipes is a gas inlet pipe, and the other is a gas outlet pipe.

According to the valve pressure testing machine with the caliber adjusting structure, the two rotary joints are fixedly connected with the corresponding air delivery pipe through the flange plate.

According to the valve pressure testing machine with the caliber adjusting structure, a plurality of pressure testing heads are fixedly connected with sealing gaskets on opposite sides.

According to the valve pressure testing machine with the caliber adjusting structure, two guide rods are symmetrically and fixedly connected between the top and the bottom of the fixing frame, and the movable plate is in sliding connection with the two guide rods.

According to the valve pressure testing machine with the caliber adjusting structure, the bottom of the operating platform and the bottom of the detecting platform are fixedly connected with a bottom plate together, and four supporting feet are symmetrically and fixedly connected to the bottom of the bottom plate at equal intervals.

The utility model has the following beneficial effects:

compared with the prior art, the valve pressure testing machine with the caliber adjusting structure has the advantages that through the arrangement of the pressure testing heads with different calibers, the corresponding control valves are opened, so that the on-off state of the pressure testing heads can be adjusted when the other control valves are in the off state, the valve pressure testing machine is convenient to be suitable for valves with different calibers, and the valve pressure testing machine is simple to operate and flexible to use.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of the overall structure of a valve press with a caliber adjusting structure according to the present utility model;

FIG. 2 is a schematic view of a first part of a valve test press with a caliber adjusting structure according to the present utility model;

FIG. 3 is a schematic diagram of a second part of a valve test press with a caliber adjusting structure according to the present utility model;

Fig. 4 is an enlarged schematic view of the valve press with caliber adjusting structure in fig. 2.

Legend description:

1. The device comprises a bottom plate, a 2, an operating table, a 3, a detection table, a 4, a fixing frame, a5, an electric push rod, a 6, a movable plate, a7, a gas pipe, an 8, a gas inlet and outlet pipe, a 9, a flange plate, a 10, a rotary joint, a 11, a connecting pipe, a 12, a control valve, a 13, a test pressure head, a 14, a sealing gasket, a 15, a guide rod, a 16 and a supporting foot.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1, 2, 3 and 4, the valve pressure testing machine with caliber adjusting structure according to the embodiment of the utility model comprises an operation table 2 and a detection table 3 arranged at one side of the operation table 2, wherein a fixed frame 4 with a C-shaped structure is fixed at the top of the detection table 3, an electric push rod 5 is fixedly connected at the top of the fixed frame 4, a movable plate 6 is fixed at the bottom of a piston rod of the electric push rod 5, gas pipes 7 are fixedly connected at the bottom of the movable plate 6 and the bottom of the fixed frame 4, and pressure testing components are arranged at opposite ends of the two gas pipes 7;

The valve is placed between the two opposite pressure test heads 13, when the electric push rod 5 operates to push the movable plate 6 to move downwards, the upper pressure test head 13 can be driven to move downwards to be attached to the end part of the valve, so that an air circulation channel can be formed by connecting the two pressure test heads 13 with the valve, a control valve 12 communicated with the valve is opened, and the communication operation of the rotary joint 10, the connecting pipe 11 and the pressure test head 13 can be realized, so that the follow-up test work is convenient. And the pressure test heads 13 with different calibers can be suitable for valves with different calibers, and the corresponding control valves 12 are opened, so that the on-off state of the pressure test heads 13 can be adjusted when the other control valves 12 are in an off state, and the pressure test head is simple to operate and flexible to use.

Referring to fig. 2 and 4, an air inlet and outlet pipe 8 is provided on the outer side of each of the two air delivery pipes 7. One of them business turn over trachea 8 is the intake pipe, and the other is the outlet duct, and the business turn over trachea 8 as the intake pipe carries the valve inside through pressure head 13 after carrying the gas to rotary joint 10 inside, and another business turn over trachea 8 as the outlet duct can be used for carrying out gas to form the circulation of air in the valve inside and carry out the test work of leakproofness or compressive property.

Referring to fig. 2, 3 and 4, two rotary joints 10 are fixedly connected with corresponding air pipes 7 through flange plates 9, and are connected with the air pipes 7 through flange plates 9, so that the connection is stable, the disassembly and the assembly are convenient, and the pressure test heads 13 with different calibers are replaced according to actual demands, so that the use is more flexible.

Referring to fig. 3 and 4, the sealing pads 14 are fixedly connected to the opposite sides of the plurality of test heads 13, and the sealing pads 14 can well seal the joint of the test heads 13 and the valve, so that good sealing performance of the valve is ensured, and accuracy of test results is guaranteed.

Referring to fig. 1, 2 and 3, two guide rods 15 are symmetrically and fixedly connected between the top and the bottom of the fixed frame 4, the movable plate 6 is slidably connected with the two guide rods 15, the electric push rod 5 slides outside the guide rods 15 when operating to drive the movable plate 6 to move downwards, and the movable plate 6 matched with the guide rods 15 to slide is beneficial to guaranteeing the moving stability.

Referring to fig. 1, the bottoms of the operation table 2 and the detection table 3 are fixedly connected with a bottom plate 1, four supporting legs 16 are symmetrically and fixedly connected with the bottom of the bottom plate 1 at equal intervals, the bottom plate 1 can be used for fixing the operation table 2 and the detection table 3, and the bottom plate 1 can be stably supported under the action of the supporting legs 16 at the bottom.

The working principle is that the rotary joint 10 is rotated according to the caliber of the valve to enable the matched pressure test heads 13 to move to the front side, the valve is placed between the two opposite pressure test heads 13, when the electric push rod 5 operates to push the movable plate 6 to move downwards, the upper pressure test heads 13 can be driven to move downwards to be attached to the end parts of the valve, an air circulation channel can be formed through the connection of the two pressure test heads 13 and the valve, the control valve 12 communicated with the valve is opened, and the communication operation of the rotary joint 10, the connecting pipe 11 and the pressure test heads 13 can be realized. The gas inlet and outlet pipe 8 serving as a gas inlet pipe conveys gas into the rotary joint 10 and then into the valve through the test pressure head 13, and the other gas inlet and outlet pipe 8 serving as a gas outlet pipe can be used for conveying the gas out, so that air circulation is formed in the valve for performing sealing performance or compression resistance test work;

And the pressure test heads 13 with different calibers can be suitable for valves with different calibers, and the corresponding control valves 12 are opened, so that the on-off state of the pressure test heads 13 can be adjusted when the other control valves 12 are in an off state, and the pressure test head is simple to operate and flexible to use.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The valve pressure testing machine with the caliber adjusting structure comprises an operating table (2) and a detection table (3) arranged on one side of the operating table (2), and is characterized in that a fixing frame (4) with a C-shaped structure is fixedly connected to the top of the detection table (3), an electric push rod (5) is fixedly connected to the top of the fixing frame (4), a movable plate (6) is fixedly connected to the bottom of a piston rod of the electric push rod (5), gas conveying pipes (7) are fixedly connected to the bottom of the movable plate (6) and the bottom of the fixing frame (4), and pressure testing components are arranged at opposite ends of the two gas conveying pipes (7);

The pressure testing assembly comprises a rotary joint (10) with a fixed end fixedly connected with the gas pipe (7), a plurality of connecting pipes (11) fixedly connected with the rotary end of the rotary joint (10), a plurality of control valves (12) arranged on the outer sides of the corresponding connecting pipes (11) and a plurality of pressure testing heads (13) fixedly connected with the end parts of the corresponding connecting pipes (11), wherein the pressure testing heads (13) are arranged into structures with different calibers.

2. The valve pressure testing machine with the caliber adjusting structure according to claim 1, wherein the outer sides of the two gas delivery pipes (7) are connected with gas inlet and outlet pipes (8), one of the two gas inlet and outlet pipes (8) is an air inlet pipe, and the other is an air outlet pipe.

3. The valve pressure testing machine with the caliber adjusting structure according to claim 2, wherein the two rotary joints (10) are fixedly connected with the corresponding air delivery pipe (7) through a flange plate (9).

4. A valve press according to claim 3, wherein the opposite sides of the pressure test heads (13) are fixedly connected with sealing gaskets (14).

5. The valve pressure testing machine with the caliber adjusting structure according to claim 4, wherein two guide rods (15) are symmetrically and fixedly connected between the top and the bottom of the fixing frame (4), and the movable plate (6) is in sliding connection with the two guide rods (15).

6. The valve pressure testing machine with the caliber adjusting structure according to claim 1, wherein a bottom plate (1) is fixedly connected to the bottoms of the operating table (2) and the detecting table (3), and four supporting feet (16) are symmetrically and fixedly connected to the bottom of the bottom plate (1) at equal intervals.