CN216695893U

CN216695893U - Valve pressure life test device

Info

Publication number: CN216695893U
Application number: CN202123346130.5U
Authority: CN
Inventors: 杨金龙; 董惠康; 程悦; 潘召勃; 黄纯增
Original assignee: TIANJIN GALAXY VALVE CO Ltd
Current assignee: TIANJIN GALAXY VALVE CO Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-07
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a valve pressure life test device, which belongs to the technical field of valve test equipment and comprises a base, a support plate, a clamping screw rod, a sealing clamp plate, a pressure-adjustable water pump, an arm support, a driving motor and a numerical control box, wherein the base is provided with a base seat; the two supporting plates are symmetrically fixed on the upper part of the base; the two clamping screw rods are respectively installed on the supporting plate through threads; the two sealing splints are respectively arranged at the inner end part of the clamping screw rod; the sealing end surface of the sealing clamp plate is provided with a valve connecting hole, and the side part of the sealing clamp plate is provided with a pipe connecting hole; the water outlet of the adjustable pressure water pump is communicated with the pipe connecting hole of one of the two sealing clamping plates through a water pipe; the arm support is arranged at the upper part of the base; the driving motor is provided with a vertically downward output shaft, the output shaft of the driving motor is provided with a twisting sleeve which can be twisted with a valve rod of the valve, and the driving motor is arranged on the arm support; the numerical control box is connected with the driving motor. The device has the advantages of wide application range, simple structure, convenient operation, convenient test and maintenance and low manufacturing cost.

Description

Valve pressure life test device

Technical Field

The utility model belongs to the technical field of valve detection equipment, and particularly relates to a valve pressure life testing device.

Background

The valve is widely applied to industrial pipelines of water treatment, petroleum, coal gas, chemical industry and the like due to the characteristic of convenient and effective fluid control. In view of the use environment of the valve for the pressure pipeline, the service life tests under different pressure conditions are required to be carried out on the valve products before the valves are shipped in batches so as to meet the standard and the customer requirements and be safely and permanently used on the pipeline. At present, the known valve service life detection equipment is special for machine, complex in structure, high in price, high in operation cost, time-consuming and labor-consuming, and single in test product.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a valve pressure service life testing device which solves the problems of high use and maintenance cost, time and labor consumption, single product type number testing and the like.

The utility model is realized in this way, a valve pressure life test device, wherein include the base, shoe plate, clamp the lead screw, seal the clamp plate, adjustable pressure water pump, arm support, driving motor, numerical control box; the upper part of the base is a working table top; the two supporting plates are symmetrically fixed on the upper part of the base; the two clamping screw rods are respectively installed on the supporting plate through threads, and the axes of the two clamping screw rods are horizontal and are positioned on the same straight line; the two sealing clamping plates are respectively arranged at the inner end parts of the clamping screw rods, the opposite inner end surfaces of the two sealing clamping plates are vertical parallel sealing end surfaces, and the detection station is arranged between the two sealing end surfaces; the sealing end surface of the sealing clamp plate is provided with a valve connecting hole, the side part of the sealing clamp plate is provided with a pipe connecting hole, and a pore passage for communicating the valve connecting hole and the pipe connecting hole is arranged in the sealing clamp plate; the water outlet of the pressure-adjustable water pump is communicated with a pipe connecting hole of one of the two sealing clamping plates through a water pipe; the arm support is arranged at the upper part of the base and is positioned on the side of the detection station; the driving motor is provided with a vertically downward output shaft, the output shaft of the driving motor is provided with a twisting sleeve which can be twisted with a valve rod of the valve, and the driving motor is arranged on the arm support; the numerical control box is connected with the driving motor and used for controlling the driving motor to work and recording working parameters of the driving motor.

In the above technical solution, preferably, the arm support includes a support rod and a swing arm, the support rod is vertically disposed, and a lower end of the support rod is fixed on the base; the swing arm is a double-connecting-rod structure hinged through a pin shaft, the swing arm is installed at the upper end of the supporting rod, the swing arm is turned over on the horizontal plane by taking the supporting rod as an axis, and the driving motor is installed on the swing arm.

In the above technical solution, preferably, the numerical control box includes an electronic control display module for displaying working parameters of the driving motor, and the electronic control display module is mounted on the arm support.

In the above technical solution, preferably, the water pump further includes a circulation water tank, the pipe connection hole of the other of the two sealing clamping plates is communicated with the circulation water tank, and the water inlet of the pressure-adjustable water pump is communicated with the circulation water tank.

In the above technical solution, preferably, a tie rod is disposed between the two support plates, and two ends of the tie rod are connected to the support plates respectively.

In the above technical solution, preferably, a pressure gauge is installed in series between the adjustable pressure water pump and the water pipe between the sealing clamping plates.

The utility model has the advantages and effects that:

compare dedicated valve check out test set of traditional special plane, this device simple structure, low in manufacturing cost, convenient operation, be convenient for experiment and maintenance. On the other hand, the device is suitable for testing valves with various models and sizes and has strong applicability.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure of the pressure-adjustable water pump and the sealing clamp plate according to the first embodiment of the present invention;

FIG. 3 is a schematic view of an installation structure of a gantry positioning frame in the second embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a base according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of a gantry positioning frame in the second embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The utility model particularly provides a valve pressure service life testing device which is wide in application range, simple in structure, convenient to operate, test and maintain and low in manufacturing cost. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:

example one

Referring to fig. 1 and 2, a valve pressure life testing device includes a base 1, a supporting plate 2, a clamping screw 3, a sealing clamp plate 4, a pressure-adjustable water pump 5, an arm support 6, a driving motor 7, and a numerical control box 8.

The base is a plate-shaped base body, and the upper part of the base is a working table surface.

The two supporting plates are symmetrically fixed on the upper part of the base. Specifically, the supporting plate is of an L-shaped plate body structure, a waist hole used for being fixed with the base is formed in the horizontal plate body on the lower portion of the supporting plate, and a threaded hole is formed in the vertical plate body on the upper portion of the supporting plate. The lower horizontal plate body of the supporting plate is fixed on the working table surface of the base through bolts penetrating through the waist holes. A cross pull rod is arranged between the two supporting plates, and two ends of the cross pull rod are respectively connected with the supporting plates. Specifically, two tie rods are symmetrically arranged on the upper parts of the two supporting plates.

The two clamping screw rods are respectively installed on the supporting plate through threads, and the axes of the two clamping screw rods are horizontal and are positioned on the same straight line. Specifically, a clamping screw rod is assembled in a threaded hole of each supporting plate through threads, and an end or a hand wheel used for twisting the screw rod to rotate is arranged at the outer end part, far away from each other, of the clamping screw rod.

The two sealing splints are respectively arranged at the inner end part of the clamping screw rod. Specifically, the sealing clamping plate is a disc plate body with a certain thickness. The opposite inner end surfaces of the two sealing clamping plates are vertical parallel sealing end surfaces, and a detection station is arranged between the two sealing end surfaces. The sealing end face of the sealing splint is bonded with a sealing rubber gasket. The sealed terminal surface of sealed splint is equipped with the valve and connects the hole, and the pipe connection hole is located to the lateral part of sealed splint, and the inside of sealed splint is equipped with the pore of intercommunication valve connection hole and pipe connection hole. The sealing rubber gasket is provided with a through hole butted with the valve connecting hole of the sealing clamping plate. In this embodiment, the outer end surface of the sealing clamp plate is connected to the inner end of the clamping screw rod through a bolt. The two clamping screw rods are driven to rotate, and the sealing clamp plate can be controlled to approach or move away. The two adjacent sealing clamping plates are respectively used for sealing two ports of the valve.

The water outlet of the adjustable pressure water pump is communicated with the pipe connecting hole of one of the two sealing clamping plates through a water pipe. Specifically, after the sealing clamping plate clamps the valve and blocks the valve hole at the end part of the valve. The water outlet of the adjustable pressure water pump is communicated with the pipe connecting hole of the sealing clamping plate of the valve hole at the water inlet end of the sealing valve through a water pipe. The water inlet of the pressure-adjustable water pump is communicated with a water source. The adjustable pressure water pump pumps water into a valve hole at the water inlet end of the valve through a water pipe and a pore passage arranged on the sealing splint, and liquid in the valve hole at the water inlet end of the valve reaches the test pressure. In this embodiment, the water pump further comprises a circulating water tank 10, the pipe connection hole of the other of the two sealing clamping plates is communicated with the circulating water tank, and the water inlet of the pressure-adjustable water pump is communicated with the circulating water tank. A pressure gauge 9 is connected in series between the water pipe between the adjustable pressure water pump and the sealing splint. The pressure gauge is used for monitoring the testing pressure of the valve.

The arm support is arranged at the upper part of the base and is positioned at the side of the detection station. The driving motor is provided with a vertically downward output shaft, the output shaft of the driving motor is provided with a twisting sleeve which can be twisted with the valve rod of the valve, and the driving motor is arranged on the arm support; the numerical control box is connected with the driving motor and is used for controlling the driving motor to work and recording working parameters of the driving motor.

In this embodiment, the arm support comprises a support rod and a swing arm, the support rod is vertically arranged, and the lower end of the support rod is fixed on the base. The swing arm is a double-link structure hinged through a pin shaft, the swing arm is installed at the upper end part of the supporting rod, the swing arm is turned over on a horizontal plane by taking the supporting rod as a shaft, and the driving motor is installed on the swing arm. Specifically, the arm support is directly purchased outside the tapping frame, such as model M3-M16. The output shaft of the driving motor is provided with a twisting sleeve through a coupler, and the lower end of the twisting sleeve is provided with an inner hexagonal hole which can be combined with a valve rod of the valve.

And the numerical control box comprises an electric control display module for displaying the working parameters of the driving motor, and the electric control display module is arranged on the arm support. The electronic control display module can select a touch display module, the touch display module is used for adjusting the work of the driving motor to enable the driving motor to output driving torque, forward and reverse rotation turns and forward and reverse rotation speeds matched with the tested valve, the numerical control box is further integrated with a timing counting module for controlling the forward and reverse rotation speeds and forward and reverse rotation times of the driving motor, automatically timing and counting, and accurately displaying data such as times of experiments in real time. The pressure and the torque of the device are monitored in real time, so that the stability of the test pressure is ensured, and the safety of the test equipment and a valve to be tested is ensured; the valve on-off state under different pressure operating modes in the effectual simulation pipeline of science, more have credibility and convincing power.

Example two

The present embodiment is a further improvement on the basis of the first embodiment, and other technical features are the same as those of the first embodiment except for the technical features described below, and are not described herein again.

Referring to fig. 3-5, in particular, in order to facilitate the positioning of the detected valve on the apparatus, it is difficult to avoid the alignment of the valve stem and the torsion sleeve of the clamped valve. Two positioning jacks 1-1 are arranged on a base in the device, a gantry positioning frame 11 is assembled on the base through the two positioning jacks, positioning pins 11-1 which can be inserted into the positioning holes are arranged at the lower parts of the two sides of the gantry positioning frame, and the gantry positioning frame stretches across between two clamping screws after being inserted into the positioning jacks. The middle position of the upper part of the gantry positioning frame is provided with a positioning hole 11-2 which is an inverted cone-shaped through hole. After the valve rod port of the valve body of the detected valve is jacked into the positioning hole, the lower positioning pin of the gantry positioning frame is in an inserted state. So as to ensure that the detected valve is positioned at the correct position which can be driven by the driving motor, and avoid repeated adjustment.

Furthermore, the sealing clamping plate and the clamping screw rod are of an independent separation structure, the lower portion of the sealing clamping plate is provided with a sliding block integrated with the sealing clamping plate, a bottom plate is provided with linear sliding ways 1-2 matched with the sliding block, and the linear sliding ways are parallel to the clamping screw rod. The sealing clamping plate can move under the action of the linear slideway and cannot rotate. The water pipe can be connected on it all the time at the in-process that moves of sealed splint, and the model of sealed splint can be according to concrete demand quick replacement, has the sealed splint in different apertures through the change, can make this device simulation valve open state under the measuring environment of different instantaneous flows, makes detection data more comprehensive reliable.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve pressure life test device which characterized in that includes:

the upper part of the base is a working table top;

the two supporting plates are symmetrically fixed on the upper part of the base;

the two clamping screw rods are respectively installed on the supporting plate through threads, and the axes of the two clamping screw rods are horizontal and are positioned on the same straight line;

the two sealing clamping plates are respectively arranged at the inner end parts of the clamping screw rod, the opposite inner end surfaces of the two sealing clamping plates are vertical parallel sealing end surfaces, and a detection station is arranged between the two sealing end surfaces; the sealing end surface of the sealing clamp plate is provided with a valve connecting hole, the side part of the sealing clamp plate is provided with a pipe connecting hole, and a pore passage for communicating the valve connecting hole and the pipe connecting hole is arranged in the sealing clamp plate;

the water outlet of the adjustable pressure water pump is communicated with the pipe connecting hole of one of the two sealing clamping plates through a water pipe;

the arm support is arranged at the upper part of the base and is positioned on the side of the detection station;

the driving motor is provided with a vertically downward output shaft, a torsion sleeve which can be in torsion connection with a valve rod of the valve is arranged on the output shaft of the driving motor, and the driving motor is arranged on the arm support;

and the numerical control box is connected with the driving motor and is used for controlling the driving motor to work and recording working parameters of the driving motor.

2. The valve pressure life test device of claim 1, wherein the arm support comprises:

the supporting rod is vertically arranged, and the lower end of the supporting rod is fixed on the base;

the swing arm is of a double-link structure hinged through a pin shaft, the swing arm is installed at the upper end of the supporting rod, the swing arm is turned over on the horizontal plane by taking the supporting rod as a shaft, and the driving motor is installed on the swing arm.

3. The valve pressure life test device of claim 2, wherein the numerical control box comprises an electronic control display module for displaying working parameters of a driving motor, and the electronic control display module is mounted on the arm support.

4. The valve pressure life test device according to claim 3, further comprising a circulating water tank, wherein the pipe connection hole of the other of the two sealing clamping plates is communicated with the circulating water tank, and the water inlet of the pressure-adjustable water pump is communicated with the circulating water tank.

5. The valve pressure life testing device according to claim 4, wherein a tie rod is arranged between the two support plates, and two ends of the tie rod are respectively connected with the support plates.

6. The valve pressure life test device according to claim 5, wherein a pressure gauge is installed in series between the water pipe between the adjustable pressure water pump and the sealing clamp plate.