CN215811451U

CN215811451U - Testing device of stop valve

Info

Publication number: CN215811451U
Application number: CN202121959494.8U
Authority: CN
Inventors: 吴雪莲
Original assignee: Jiangsu Qianghong Valve Co ltd
Current assignee: Jiangsu Qianghong Valve Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-11
Anticipated expiration: 2031-08-19

Abstract

The application discloses testing arrangement of stop valve, including the support frame, affiliated support frame top sets up the mounting panel, the left and right sides fixed mounting curb plate of mounting panel, the mounting panel surface sets up the water tank, water tank both sides installation mobile device, mobile device top installation clamping device, installation electric putter between clamping device and the curb plate, the curb plate top sets up the roof, the roof surface sets up the air pump, air pump fixed connection air pipe, air pipe runs through the roof and connects the hose. Under the condition that the stop valve was opened, the one end intercommunication high-pressure gas of stop valve, the water tank is connected to the other end, has the bubble to emerge through observing in the water tank, can detect the leakproofness of valve body and the pressure limit of valve body.

Description

Testing device of stop valve

Technical Field

The application relates to the technical field of industrial production, in particular to a testing device for a stop valve.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur. The connection mode is divided into three types: flange connection, screw thread connection and welding connection.

The valve testing device is used for valve leakage tests, valve body strength tests and other functional tests. The sealing performance and the valve body strength performance of the stop valve are tested by using the pressure air, so that the stop valve is simple, convenient and easy to obtain, and the maximum air pressure value which can be borne by the valve body can be obtained by using the pressure gauge. Therefore, a test device for a stop valve is provided to solve the above problems.

Disclosure of Invention

The test device for the stop valve is provided in the embodiment and is used for solving the problems that the sealing performance of the stop valve and the maximum bearing pressure strength of the valve body need to be tested before the stop valve is used in the prior art.

According to an aspect of the application, a testing arrangement of stop valve is provided, including the support frame, affiliated support frame top sets up the mounting panel, the left and right sides fixed mounting curb plate of mounting panel, the mounting panel surface sets up the water tank, water tank both sides installation mobile device, mobile device top installation clamping device, installation electric putter between clamping device and the curb plate, the curb plate top sets up the roof, the roof surface sets up the air pump, air pump fixed connection air pipe, air pipe runs through the roof and connects the hose.

Further, support frame fixed mounting is at the lower surface of mounting panel, mobile device includes connecting rod, gyro wheel, sleeve, bearing and track, the gyro wheel rotates to be installed at the bearing both ends, the sleeve cup joints on the bearing surface.

Further, clamping device includes connecting block, fixed plate, base, pivot, stock, buckle and fixing bolt, connecting block top installation fixed plate, the base is rotated through the pivot and is installed on the fixed plate surface, pivot one end is fixed inside the fixed plate, the other end of pivot runs through the bottom plate and cup joints inside the stock, fixing bolt threaded mounting is on the base surface.

Further, the one end fixed mounting of stock is on the base surface, the other end fixed mounting of stock is on the buckle surface, electric putter's one end fixed mounting is on the fixed plate surface, electric putter's other end fixed mounting is on the curb plate surface.

Further, air pump fixed mounting is in the one end of the air pipe on roof surface, the other end fixed connection hose of air pipe, the air pipe surface sets up air pressure valve and manometer, the inside fixed mounting water pipe of water tank.

Further, one end fixed mounting of connecting rod is on the sleeve surface, the other end fixed mounting of connecting rod is on connecting block bottom surface.

Through the above-mentioned embodiment of this application, under the condition that the stop valve was opened, the one end intercommunication high-pressure gas of stop valve, the water tank is connected to the other end, has the bubble to emerge through observing in the water tank, can detect the leakproofness of valve body and the pressure limit of valve body.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic plan view of an embodiment of the present application;

FIG. 3 is a schematic diagram of a drying plate structure according to an embodiment of the present application;

fig. 4 is a schematic view of a portion of the enlarged structure at a in fig. 1 according to an embodiment of the present application.

In the figure: 1. support frame, 2, mounting panel, 3, curb plate, 4, roof, 5, track, 6, connecting block, 7, fixed plate, 8, electric putter, 9, pivot, 10, base, 1001, fixing bolt, 11, stock, 1101, buckle, 12, water tank, 13, water pipe, 14, air pump, 15, air pipe, 1501, hose, 16, pneumatic valve, 17, manometer, 18, gyro wheel, 19, bearing, 20, sleeve, 2001, connecting rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The moving device and the holding device on the testing device of the stop valve in this embodiment may be applied to different testing devices of the stop valve, for example, the testing device provided in this embodiment, and the moving device and the holding device in this embodiment may be applied to the following testing devices.

A testing device for a low-temperature-resistant stop valve comprises a box body, a main body fixing mechanism and auxiliary fixing mechanisms, wherein the main body fixing mechanism is installed at the bottom end of the box body, the auxiliary fixing mechanisms are installed on the side wall of the box body, the number of the auxiliary fixing mechanisms is two, and the two auxiliary fixing mechanisms are arranged in a bilateral symmetry mode; wherein:

the main body fixing mechanism comprises a lifting cylinder, a bearing seat, an adjusting plate, an adjusting cylinder and a fixing frame, wherein the bottom end of the lifting cylinder is installed at the bottom end of the box body, the bearing seat is installed at the top end of the lifting cylinder, the bearing seat is of an arc surface structure with a sunken upper end, the adjusting plate is symmetrically installed at the front end and the rear end of the bearing seat, the adjusting plate is of a left-right bidirectional telescopic structure, the adjusting cylinder is installed on the side wall of the adjusting plate located at the front end of the bearing seat, and the fixing frame is symmetrically arranged on the left side and the right side of the adjusting plate; the lifting cylinder and the adjusting cylinder are both in the prior art in structure, principle and control method, the stop valve is placed on the bearing seat, the length of the adjusting plate is adjusted through the telescopic motion of the adjusting cylinder, the inner side of the fixing frame can be tightly attached to the side wall of the valve body, the stop valve is prevented from moving left and right, and then the bearing seat is properly adjusted in height through the lifting cylinder, so that the valve body is fixed through the auxiliary fixing mechanism.

The auxiliary fixing mechanism comprises a rotating block, rotating plates, telescopic plates, auxiliary plates and an auxiliary cylinder, the rotating block is mounted on the outer wall of the box body through a bearing, the inner wall of the rotating block is connected with the side wall of the rotating plates, the telescopic plates are symmetrically mounted on the front side and the rear side of the rotating block, the auxiliary plates are mounted on the side walls of the telescopic plates, the auxiliary cylinder is connected between the auxiliary plates, and the auxiliary cylinder is mounted on the side wall of the rotating plates; the structure, the principle and the control method of the auxiliary cylinder are the prior art, when the height of the main body fixing mechanism is properly adjusted, the rotating block is rotated in a manual mode, so that the rotating plate is driven to rotate, the two auxiliary plates are respectively positioned right above and below the port of the stop valve, the length of the telescopic plate is adjusted through the auxiliary cylinder until the inner sides of the auxiliary plates are tightly attached to the side wall of the port, and the stop valve is prevented from moving up and down.

Of course the moving means and the holding means in this embodiment can be used for different shut-off valves. No further description is given here, and a description is provided below for a testing device for a stop valve according to an embodiment of the present application.

Referring to fig. 1-4, a testing device for a stop valve includes a supporting frame 1, a mounting plate 2 is arranged above the supporting frame 1, side plates 3 are fixedly mounted on the left and right sides of the mounting plate 2, a water tank 12 is arranged on the surface of the mounting plate 2, moving devices are mounted on two sides of the water tank 12, a clamping device is mounted above the moving devices, an electric push rod 8 is mounted between the clamping device and the side plates 3, a top plate 4 is arranged above the side plates 3, an air pump 14 is arranged on the surface of the top plate 4, the air pump 14 is fixedly connected with a ventilation pipeline 15, and the ventilation pipeline 15 penetrates through the top plate 4 and is connected with a hose 1501.

The supporting frame 1 is fixedly arranged on the lower surface of the mounting plate 2, the moving device comprises a connecting rod 2001, rollers 18, sleeves 20, bearings 19 and a track 5, the rollers 18 are rotatably arranged at two ends of the bearings 19, the sleeves 20 are sleeved on the surfaces of the bearings 19, and the bearings 19 are fixedly arranged in the rollers 18 so that the rollers 18 can move in a raceway; the clamping device comprises a connecting block 6, a fixing plate 7, a base 10, a rotating shaft 9, a long rod 11, a buckle 1101 and a fixing bolt 1001, wherein the fixing plate 7 is installed above the connecting block 6, the base 10 is rotatably installed on the surface of the fixing plate 7 through the rotating shaft 9, one end of the rotating shaft 9 is fixed inside the fixing plate 7, the other end of the rotating shaft 9 penetrates through a bottom plate and is sleeved inside the long rod 11, the fixing bolt 1001 is installed on the surface of the base 10 in a threaded mode, the base 10 can rotate by taking the rotating shaft 9 as a center, the fixing bolt 1001 is taken down between every rotation, and the fixing bolt 1001 can be installed on the base 10 after the rotation; one end of the long rod 11 is fixedly arranged on the surface of the base 10, the other end of the long rod 11 is fixedly arranged on the surface of the buckle 1101, one end of the electric push rod 8 is fixedly arranged on the surface of the fixing plate 7, the other end of the electric push rod 8 is fixedly arranged on the surface of the side plate 3, and the long rod 11 is connected with the buckle 1101 and the base 10 in a grade-sharing manner, so that when the base 10 rotates, liquid in the buckle 1101 rotates along with an instrument, and the stop valve can be conveniently measured; the air pump 14 is fixedly arranged at one end of a ventilation pipeline 15 on the surface of the top plate 4, the other end of the ventilation pipeline 15 is fixedly connected with a hose 1501, the surface of the ventilation pipeline 15 is provided with an air pressure valve 16 and a pressure gauge 17, a water pipe 13 is fixedly arranged in the water tank 12, the water pipe 13 is connected with the external environment, and when the air pump is used, water can be injected into the water tank 12 through the water pipe 13, and water in the water tank 12 can be discharged outwards through the water pipe 13; one end of the connecting rod 2001 is fixedly installed on the surface of the sleeve 20, the other end of the connecting rod 2001 is fixedly installed on the bottom end surface of the connecting block 6, and the connecting rod 2001 is used for connecting the moving device and the clamping device.

When the device is used, firstly, water is injected into the water tank 12 through the water pipe 13 until the water level in the water tank 12 reaches the maximum water level position, the air pump 14 is started, the pressure valve is opened, one end of the hose 1501 is immersed below the liquid level of the water tank 12, whether bubbles uniformly emerge from the outlet of the hose 1501 and whether the reading of the pressure gauge 17 is normal is observed, if the bubbles do not uniformly emerge from the port of the hose 1501 or no bubbles emerge basically, at the moment, the phenomenon that the connection of the air pump 14, the ventilation pipeline 15 and the hose 1501 of the device is not tight or damaged is detected, and parts are replaced in time; or detecting whether foreign matters exist in the ventilating duct 15 or the hose 1501 of the device to cause the blockage of the duct, and at the moment, stopping the air pump 14 in time, closing the air pressure valve 16, and replacing the ventilating duct 15 or the hose 1501 until uniform bubbles appear at the tail end of the hose 1501.

The stop valve is vertically placed between the two buckles 1101 by two hands, so that an interface at one end of the stop valve can be completely positioned below the liquid level of the water tank 12, at the moment, the electric push rod 8 is started until the buckles 1101 at two sides completely clamp the stop valve, two hands are loosened, the tail ends of the hoses 1501 and the like are tightly connected with the other end of the stop valve, then the air pump 14 is started, the air pressure valve 16 is opened, the air pump 14 generates high-pressure air which enters the stop valve through the ventilation pipeline 15 and the hoses 1501, the pressure gauge 17 on the surface in the ventilation pipeline 15 records the air pressure in the ventilation pipeline 15, the performance of the stop valve is conveniently recorded, the air pressure valve 16 is gradually adjusted, the pressure in the ventilation pipeline 15 is slowly increased until the maximum threshold value of the stop valve, and the maximum bearing pressure of the stop valve can be obtained.

The application has the advantages that:

1. the stop valve passes through clamping device to be fixed inside the device, and clamping device can use this device to test the sealing performance and the pressure limit of valve body during vertical direction centre gripping through mutually supporting of pivot 9 and base 10 and fixing bolt 1001, can be in horizontal direction and vertical direction centre gripping operation, during the horizontal centre gripping, can inspect whole valve body device.

2. Let the one end of stop valve connect high-pressure gas, the other end is connected water tank 12 and is not only testable the sealing performance of stop valve, install and can be used for the maximum pressure that the record pressure valve can bear at air pipe 15 surperficial manometer 17, be convenient for know more directly perceivedly and measure the performance of stop valve, control water tank 12 through water pipe 13 and intake and go out water, not only can make the not unidimensional stop valve of high adaptation of the surface of water tank 12, environmental protection and energy saving more moreover.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A testing arrangement of stop valve which characterized in that: the utility model provides a testing arrangement for stop valve, includes support frame (1), and affiliated support frame (1) top sets up mounting panel (2), left and right sides fixed mounting curb plate (3) of mounting panel (2), mounting panel (2) surface sets up water tank (12), water tank (12) both sides installation mobile device, mobile device top installation clamping device, installation electric putter (8) between clamping device and curb plate (3), curb plate (3) top sets up roof (4), roof (4) surface sets up air pump (14), air pump (14) fixed connection air pipe (15), air pipe (15) run through roof (4) and connect hose (1501).

2. A test device for a shut-off valve according to claim 1, characterized in that: support frame (1) fixed mounting is in the lower surface of mounting panel (2), mobile device includes connecting rod (2001), gyro wheel (18), sleeve (20), bearing (19) and track (5), gyro wheel (18) rotate to be installed at bearing (19) both ends, sleeve (20) cup joint on bearing (19) surface.

3. A test device for a shut-off valve according to claim 1, characterized in that: clamping device includes connecting block (6), fixed plate (7), base (10), pivot (9), stock (11), buckle (1101) and fixing bolt (1001), connecting block (6) top installation fixed plate (7), base (10) are rotated through pivot (9) and are installed on fixed plate (7) surface, pivot (9) one end is fixed inside fixed plate (7), the other end of pivot (9) runs through the bottom plate and cup joints inside stock (11), fixing bolt (1001) screw thread is installed on base (10) surface.

4. A test device for a shut-off valve according to claim 3, characterized in that: one end fixed mounting of stock (11) is on base (10) surface, the other end fixed mounting of stock (11) is on buckle (1101) surface, the one end fixed mounting of electric putter (8) is on fixed plate (7) surface, the other end fixed mounting of electric putter (8) is on curb plate (3) surface.

5. A test device for a shut-off valve according to claim 1, characterized in that: air pump (14) fixed mounting is in the one end of air pipe (15) on roof (4) surface, the other end fixed connection hose (1501) of air pipe (15), air pipe (15) surface sets up air pressure valve (16) and manometer (17), water tank (12) inside fixed mounting water pipe (13).

6. A test device for a shut-off valve according to claim 2, characterized in that: one end of the connecting rod (2001) is fixedly installed on the surface of the sleeve (20), and the other end of the connecting rod (2001) is fixedly installed on the bottom end surface of the connecting block (6).