Intelligent pressure testing device for six-end pressure valve body

Abstract

The invention discloses an intelligent pressure testing device for a six-end pressure valve body, and relates to the technical field of valve production detection devices. The device comprises a device body provided with a water tank, and a test board capable of moving up and down is arranged in the water tank; a positioning plugging head matched with the six-end pressure valve, a clamping mechanism used for clamping and fixing the six-end pressure valve and a plugging mechanism used for plugging a port of the six-end pressure valve are arranged on the test bench. The positioning plugging head matched with the six-end pressure valve, the clamping mechanism used for clamping and fixing the six-end pressure valve and the plugging mechanism used for plugging the port of the six-end pressure valve are arranged on the liftable test bench, so that the six-end pressure valve can be conveniently plugged after the six-end pressure valve is placed on the test bench in a matched manner; the clamping mechanism is used for clamping the six-end pressure valve, the plugging mechanism is used for plugging the six-end pressure valve, and then pressure test detection is carried out.

Description

Technical Field

[0001] The invention belongs to the technical field of valve production and detection devices, and in particular relates to an intelligent pressure testing device for a six-terminal pressure valve body. Background Art

[0002] The valve is a pipeline accessory used to open and close the pipeline, control the flow direction, and adjust and control the parameters of the conveying medium. According to its function, it can be divided into shut-off valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system, and has the functions of shutoff, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief. Leakage after the valve is installed will have a great impact on the later production and even endanger personal safety. Therefore, the tightness test of the valve is an important test before the valve is installed. For example, CN114993842A discloses a new valve pressure test detection device, which is used to perform pressure test on the valve. The valve has two external interfaces, which includes a hydraulic drive mechanism and a plug component corresponding to the external interface one by one; wherein the plug component is used to cooperate with the corresponding external interface to abut against the corresponding external interface to block the corresponding external interface; the device cannot fix the valve to be tested when in use. Summary of the invention

[0003] The object of the present invention is to provide an intelligent pressure testing device for a six-end pressure valve body, which solves the problems raised by the existing background technology by arranging a positioning sealing head that cooperates with the six-end pressure valve, a clamping mechanism for clamping and fixing the six-end pressure valve, and a sealing mechanism for sealing the ports of the six-end pressure valve on a liftable test platform.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The present invention is an intelligent pressure testing device for a six-end pressure valve body, comprising a device body, a water tank being arranged above the device body; a guide rail arranged in a vertical direction is fixedly installed on one side wall of the water tank, an electric slider movable along its length direction is arranged on the guide rail, and one side of the electric slider is connected to a test bench through a connecting rod; a positioning plugging head cooperating with the six-end pressure valve, a clamping mechanism for clamping and fixing the six-end pressure valve, and a plugging mechanism for plugging the ports of the six-end pressure valve are arranged on the test bench.

[0006] Furthermore, the six-terminal pressure valve includes a valve body, one side of the valve body is provided with two first inlet and outlet ends cooperating with the positioning sealing heads; a second inlet and outlet end is provided on the valve body opposite to the first inlet and outlet ends, and one side of the valve body is provided with a third inlet and outlet end and a fourth inlet and outlet end; one side of the fourth inlet and outlet end is connected to a fifth inlet and outlet end; and clamping parts and threaded mounting grooves are respectively provided at both ends of the valve body.

[0007] Furthermore, the clamping mechanism includes a side plate and a telescopic cylinder A symmetrically arranged on the upper surface of the test bench; the side plate is threadedly connected to a stud A, the end of the stud A is connected to a fixing sleeve A, and the fixing sleeve A is connected to a top column A that rests on the clamping part; the output end of the telescopic cylinder A is connected to a top column B inserted into a threaded mounting groove.

[0008] Furthermore, the blocking mechanism includes a top plate connected by a column, a telescopic cylinder B is installed on the top of the top plate, the output end of the telescopic cylinder B passes through the top plate and is connected to a mounting plate A at the end, and two fixing rods are installed on the mounting plate A; a telescopic cylinder C and a telescopic cylinder D that are telescopic in the horizontal direction are also installed on the upper surface of the test bench; the end of the telescopic cylinder C is connected to the mounting plate B, and two studs B are installed on the mounting plate B, and the ends of the studs B are connected to a fixing sleeve B; the ends of the fixing rod and the fixing sleeve B are connected to a blocking head A that respectively blocks the second inlet and outlet ends, the third inlet and outlet ends, and the fourth inlet and outlet ends; the end of the telescopic cylinder D is connected to a blocking head B that blocks the fifth inlet and outlet ends.

[0009] Furthermore, an air inlet channel is opened on the blocking head B; when the blocking head B blocks the fifth inlet and outlet end of the channel, one end of the air inlet channel is connected to the fifth inlet and outlet end, and the other end is connected to an external air inlet pipe, the air inlet pipe is connected to a pressure gauge A and a valve, one end of the valve is connected to an air source; the valve is located between the pressure gauge A and the air source.

[0010] Furthermore, a control button is provided on the outer side wall of the test bench located on the front side of the water tank.

[0011] Furthermore, the specific pressure test method includes:

[0012] Step 1: When in use, take the six-terminal pressure valve and place it on the positioning plugging head set on the test bench;

[0013] Step 2, when the control button is operated, the telescopic cylinder A is first extended to the top column A and the top column B to cooperate to clamp and fix the six-end pressure valve;

[0014] Step 3, control the telescopic cylinder B, the telescopic cylinder C and the telescopic cylinder D to extend to block the second inlet and outlet end, the third inlet and outlet end and the fourth inlet and outlet end with the blocking head A;

[0015] Step 4: Control the electric slider to move on the guide rail until the test bench is completely immersed below the liquid level of the water tank;

[0016] Step 5: Open the control valve, inject gas into the six-port pressure valve, close the valve, and observe the liquid level and pressure gauge A.

[0017] Furthermore, an adjusting knob is provided on the outer wall of the test bench above the water tank, and a pressure gauge B is provided on the pipeline between the valve and the gas source. The gas source includes a first storage tank and a second storage tank which are interconnected, and a shut-off valve is provided on the gas path between the first storage tank and the second storage tank.

[0018] Furthermore, a stirring mechanism, an alkali solution adding mechanism and a pH sensor are arranged in the water tank; when in use, a mixed gas containing carbon dioxide or nitrogen dioxide is introduced into the six-end pressure valve by utilizing a gas source.

[0019] Furthermore, a liquid level sensor is also arranged in the water tank.

[0020] The present invention has the following beneficial effects:

[0021] The present invention provides a positioning plugging head matched with a six-end pressure valve, a clamping mechanism for clamping and fixing the six-end pressure valve, and a plugging mechanism for plugging the ports of the six-end pressure valve on a liftable test bench, thereby facilitating, after the six-end pressure valve is placed on the test bench, clamping the six-end pressure valve by the clamping mechanism, and then plugging the six-end pressure valve by the plugging mechanism to perform a pressure test.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram of a pressure testing device of a six-terminal pressure valve body intelligent pressure testing device of the present invention;

[0025] Figure 2 A six-terminal pressure valve body intelligent pressure testing device of the present invention Figure 1 A partial enlarged view of the middle part;

[0026] Figure 3 It is a structural schematic diagram of a six-terminal pressure valve of a six-terminal pressure valve body intelligent pressure testing device of the present invention;

[0027] Figure 4 The present invention is a schematic diagram of the structure of an air source supply system of a six-terminal pressure valve body intelligent pressure testing device. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0031] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] Unless otherwise stated, the term "plurality" means two or more.

[0033] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0034] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0036] See also Figure 1 As shown, the present invention is a six-end pressure valve body intelligent pressure test device, including a device body 1 with a water tank 10 arranged on the top, a pair of guide rails 13 arranged in the vertical direction are fixedly installed on one side wall of the device body 1 located above the water tank 10, and an electric slider 14 movable along the length direction thereof is arranged on the guide rail 13, and one side of the electric slider 14 is connected to a test bench 2 through a connecting rod 15; and a positioning plugging head matched with the six-end pressure valve 3, a clamping mechanism for clamping and fixing the six-end pressure valve 3, and a blocking mechanism for blocking the ports of the six-end pressure valve 3 are arranged on the test bench 2, and then when in use, the six-end pressure valve 3 is placed on the test bench 2, the six-end pressure valve 3 is clamped by the clamping mechanism, and then the six-end pressure valve 3 is blocked by the blocking mechanism before a pressure test is performed.

[0037] In order to facilitate the positioning, clamping and sealing of the six-terminal pressure valve 3 placed on the test bench 2, a pressure test is performed; Figure 3 The six-port pressure valve 3 provided by the present invention includes a valve body 30, and one side of the valve body 30 is provided with two first inlet and outlet ends that cooperate with the positioning plugging heads; a second inlet and outlet end 33 is provided on the valve body 30 opposite to the first inlet and outlet ends, and a third inlet and outlet end 34 and a fourth inlet and outlet end 36 are provided on one side of the valve body 30; a fifth inlet and outlet end 35 is provided on one side of the fourth inlet and outlet end 36; a clamping portion 31 and a threaded mounting groove 32 are respectively provided at both ends of the valve body 30.

[0038] Specifically, the clamping mechanism provided by the present invention includes a side plate 28 and a telescopic cylinder A202 symmetrically arranged on the upper surface of the test bench 2; a stud A281 is threadedly connected on the side plate 28, a fixing sleeve A282 is connected to the end of the stud A281, and a top column A283 that rests on the clamping portion 31 is connected to the fixing sleeve A282; the output end of the telescopic cylinder A202 is connected to a top column B inserted into the threaded mounting groove 32.

[0039] Specifically, Figure 2The blocking mechanism includes a top plate 23 connected by a column 22, a telescopic cylinder B24 is installed on the top of the top plate 23, the output end of the telescopic cylinder B24 passes through the top plate 23 and is connected to a mounting plate A25 at the end, and two fixing rods 26 are installed on the mounting plate A25; a telescopic cylinder C201 and a telescopic cylinder D203 that are telescopic in the horizontal direction are also installed on the upper surface of the test bench 2; the end of the telescopic cylinder C201 is connected to a mounting plate B29, and two studs B are installed on the mounting plate B29, and the ends of the studs B are connected to a fixing sleeve B; the ends of the fixing rod 26 and the fixing sleeve B are connected to blocking heads A27 that are respectively blocked on the second inlet and outlet ends 33, the third inlet and outlet ends 34 and the fourth inlet and outlet ends 36; the end of the telescopic cylinder D203 is connected to a blocking head B204 that is blocked at the fifth inlet and outlet end 35.

[0040] Specifically, an air intake channel is opened on the plugging head B204; at the fifth inlet and outlet end 35 of the plugged head B204, one end of the air intake channel is connected to the fifth inlet and outlet end 35, and the other end is connected to the external air intake pipe 101, the air intake pipe 101 is connected to a pressure gauge A102 and a valve 103, one end of the valve 103 is connected to an air source 104; the valve 103 is located between the pressure gauge A102 and the air source 104.

[0041] At the same time, in order to perform intelligent and automated pressure testing after the six-end pressure valve 3 is placed in conjunction with the positioning plugging head set on the test bench 2 during use, the present invention provides a control button 11 on the outer wall of the test bench 2 located on the front side of the water tank 10.

[0042] Based on the above configuration, the specific pressure testing method of the intelligent pressure testing device provided by the present invention includes:

[0043] Step 1: When in use, take the six-terminal pressure valve 3 and place it on the positioning plugging head set on the test bench 2;

[0044] Step 2, when operating the control button 11, the telescopic cylinder A202 is first extended to the top column A283 and the top column B to cooperate to clamp and fix the six-end pressure valve 3;

[0045] Step 3, control the telescopic cylinder B24, the telescopic cylinder C201 and the telescopic cylinder D203 to extend to block the second inlet and outlet end 33, the third inlet and outlet end 34 and the fourth inlet and outlet end 36 with the blocking head A27;

[0046] Step 4, control the electric slider 14 to move on the guide rail 13 until the test bench 2 is completely immersed below the liquid surface of the water tank 10;

[0047] Step 5, control valve 103 to open, inject gas into the six-port pressure valve 3, close valve 103, and observe the liquid level and pressure gauge A102.

[0048] It is important to know that in the present invention, Figure 4 , an adjusting knob 12 is provided on the outer wall of the test bench 2 located above the water tank 10, and a pressure gauge B100 is provided on the pipeline between the valve 103 and the gas source 104, the gas source 104 includes a first storage tank 105 and a second storage tank 106 which are interconnected, and a shut-off valve 108 is provided on the gas path 107 between the first storage tank 105 and the second storage tank 106, and the pressure in the first storage tank 105 is adjusted during the pressure test by using the setting of the adjusting knob 12, and the internal pressure of the second storage tank 106 is greater than that of the first storage tank 106 in the initial state. The internal pressure of a storage tank 105 is controlled, and an exhaust pipe equipped with an exhaust valve is arranged on the first storage tank 105; that is, when the adjusting knob 12 is adjusted to a pressure greater than the current pressure during use, the gas in the second storage tank 106 is controlled to be discharged into the first storage tank 105 until the pressure detected by the pressure gauge B100 reaches the setting value of the adjusting knob 12; conversely, when the adjusting knob 12 is adjusted to a pressure less than the current pressure during use, the gas in the first storage tank 105 is controlled to be discharged until the pressure detected by the pressure gauge B100 reaches the setting value of the adjusting knob 12.

[0049] In order to conveniently and intuitively detect whether leakage occurs during the pressure test of the six-end pressure valve 3, a stirring mechanism, an alkali solution adding mechanism and a pH sensor are provided in the water tank 10. When in use, a mixed gas containing carbon dioxide or nitrogen dioxide is introduced into the six-end pressure valve 3 by means of the gas source 104. When leakage occurs, the carbon dioxide or nitrogen dioxide dissolves in the water in the water tank 10, thereby causing the pH in the water tank 10 to change. At this time, the cooperation of the stirring mechanism and the pH sensor can quickly identify whether leakage occurs.

[0050] A liquid level sensor is also provided in the water tank 10. After a leakage is detected once, an appropriate amount of alkali solution is added into the water tank 10 through the alkali solution adding mechanism according to the liquid level and pH conditions in the water tank 10, and the stirring mechanism is used for stirring.

[0051] The present invention has the following beneficial effects:

[0052] The present invention provides a positioning plugging head matched with a six-end pressure valve, a clamping mechanism for clamping and fixing the six-end pressure valve, and a plugging mechanism for plugging the ports of the six-end pressure valve on a liftable test bench, thereby facilitating, after the six-end pressure valve is placed on the test bench, clamping the six-end pressure valve by the clamping mechanism, and then plugging the six-end pressure valve by the plugging mechanism to perform a pressure test.

[0053] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A six-terminal pressure valve body intelligent pressure testing device, characterized in that: It comprises a device body (1), and a water tank (10) is arranged above the device body (1); A guide rail (13) arranged in a vertical direction is fixedly mounted on one side wall of the water tank (10); an electric slider (14) movable along its length direction is provided on the guide rail (13); one side of the electric slider (14) is connected to the test bench (2) via a connecting rod (15); The test bench (2) is provided with a positioning plugging head that cooperates with the six-end pressure valve (3), a clamping mechanism for clamping and fixing the six-end pressure valve (3), and a plugging mechanism for plugging the ports of the six-end pressure valve (3).

2. The six-terminal pressure valve body intelligent pressure testing device according to claim 1, characterized in that: The six-port pressure valve (3) comprises a valve body (30), one side of which is provided with two first inlet and outlet ends cooperating with positioning plugging heads; A second inlet and outlet end (33) is provided on the valve body (30) directly opposite to the first inlet and outlet end, and a third inlet and outlet end (34) and a fourth inlet and outlet end (36) are provided on one side of the valve body (30); a fifth inlet and outlet end (35) is provided on one side of the fourth inlet and outlet end (36); A clamping portion (31) and a threaded mounting groove (32) are respectively provided at both ends of the valve body (30).

3. The six-terminal pressure valve body intelligent pressure testing device according to claim 2, characterized in that: The clamping mechanism comprises a side plate (28) and a telescopic cylinder A (202) symmetrically arranged on the upper surface of the test bench (2); The side plate (28) is threadedly connected to a stud A (281), the end of the stud A (281) is connected to a fixing sleeve A (282), and the fixing sleeve A (282) is connected to a top column A (283) that abuts against the clamping portion (31); The output end of the telescopic cylinder A (202) is connected to a top column B inserted into a threaded mounting groove (32).

4. The six-terminal pressure valve body intelligent pressure testing device according to claim 3 is characterized in that: The blocking mechanism comprises a top plate (23) connected by a column (22), a telescopic cylinder B (24) is installed on the top of the top plate (23), an output end of the telescopic cylinder B (24) passes through the top plate (23) and an end thereof is connected to a mounting plate A (25), and two fixing rods (26) are installed on the mounting plate A (25); The upper surface of the test bench (2) is also provided with a telescopic cylinder C (201) and a telescopic cylinder D (203) which can be telescoped in the horizontal direction; The end of the telescopic cylinder C (201) is connected to a mounting plate B (29), two studs B are mounted on the mounting plate B (29), and the ends of the studs B are connected to a fixing sleeve B; The ends of the fixing rod (26) and the fixing sleeve B are connected to sealing heads A (27) that seal the second inlet and outlet end (33), the third inlet and outlet end (34) and the fourth inlet and outlet end (36) respectively; The end of the telescopic cylinder D (203) is connected to a blocking head B (204) that blocks the fifth inlet and outlet end (35).

5. The six-terminal pressure valve body intelligent pressure testing device according to claim 4, characterized in that: An air inlet passage is provided on the plugging head B (204); when the plugging head B (204) blocks the fifth inlet and outlet end (35) of the passage, one end of the air inlet passage is connected to the fifth inlet and outlet end (35), and the other end is connected to an external air inlet pipe (101); the air inlet pipe (101) is connected to a pressure gauge A (102) and a valve (103); one end of the valve (103) is connected to an air source (104); The valve (103) is located between the pressure gauge A (102) and the gas source (104).

6. The six-terminal pressure valve body intelligent pressure testing device according to claim 5, characterized in that: A control button (11) is provided on the outer side wall of the test bench (2) located on the front side of the water tank (10).

7. The six-terminal pressure valve body intelligent pressure testing device according to claim 6, characterized in that: Specific pressure testing methods include: Step 1: When in use, take the six-terminal pressure valve (3) and place it on the positioning plugging head set on the test bench (2); Step 2: When the control button (11) is operated, the telescopic cylinder A (202) is first extended to the top column A (283) and the top column B to cooperate to clamp and fix the six-end pressure valve (3); Step 3, controlling the telescopic cylinder B (24), the telescopic cylinder C (201) and the telescopic cylinder D (203) to extend until the second inlet and outlet end (33), the third inlet and outlet end (34) and the fourth inlet and outlet end (36) are blocked by the blocking head A (27); Step 4, controlling the electric slider (14) to move on the guide rail (13) until the test bench (2) is completely immersed below the liquid surface of the water tank (10); Step 5: Open the control valve (103), inject gas into the six-port pressure valve (3), close the valve (103), and observe the liquid level and the pressure gauge A (102).

8. The six-terminal pressure valve body intelligent pressure testing device according to claim 7, characterized in that: An adjusting knob (12) is provided on the outer wall of the test bench (2) above the water tank (10), and a pressure gauge B (100) is provided on the pipeline between the valve (103) and the gas source (104), the gas source (104) comprises a first storage tank (105) and a second storage tank (106) which are interconnected, and a shut-off valve (108) is provided on the gas path (107) between the first storage tank (105) and the second storage tank (106).

9. The six-terminal pressure valve body intelligent pressure testing device according to claim 7, characterized in that: The water tank (10) is provided with a stirring mechanism, an alkali solution adding mechanism and a pH sensor; When in use, a mixed gas containing carbon dioxide or nitrogen dioxide is introduced into the six-end pressure valve (3) using the gas source (104).

10. The six-terminal pressure valve body intelligent pressure testing device according to claim 9, characterized in that: A liquid level sensor is also provided in the water tank (10).

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