Valve performance detection device

Abstract

The utility model relates to the technical field of valve detection equipment, in particular to a valve performance detection device which comprises a machine frame, a clamping communication mechanism, a medium conveying mechanism and a sealing test mechanism, the clamping communication mechanism, the medium conveying mechanism and the sealing test mechanism are arranged on the machine frame, and the clamping communication mechanism comprises a first clamping communication end and a second clamping communication end. The medium conveying mechanism is communicated with the first clamping communication end, and a first on-off control piece is arranged at the communication position. The medium conveying mechanism is communicated with the second clamping communication end, and a second on-off control piece is arranged at the communication position. The sealing test mechanism comprises a container located above the clamping communication mechanism, and the container is used for being communicated with the valve to be detected. The valve performance detection device is convenient to use, can be used for performance detection of different valves, and can improve the detection efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve detection equipment more particularly, relate to a valve performance detection device. BACKGROUND

[0002] Valve is used for opening and closing pipeline, controls flow direction, adjusts and controls the parameter of delivery medium, such as temperature, pressure and flow rate, and pipeline accessory. And valve can realize different functions according to the different setting of its internal structure, such as stop valve, regulating valve, flow valve, pressure stabilizing valve, overflow pressure relief valve etc. Valve plays a vital role in the pipeline system. And the valve needs to be tested for performance in the process of production. The valve inspection equipment can be used for the performance detection of common valve, however, for the performance detection of some valves with specific functions, such as backflow preventer, some existing detection equipment cannot meet the more detection needs. SUMMARY

[0003] The utility model aims at overcoming the insufficient that the valve detection device of prior art cannot be completely suitable for the valve with specific function, provide a valve performance detection device, convenient to use, can be used for the performance detection of different valve, can improve the detection efficiency.

[0004] To solve the above technical problem, the utility model adopts the technical scheme of:

[0005] Provide a kind of valve performance detection device, including rack, clamping communication mechanism being equipped in the rack, medium conveying mechanism, sealing test mechanism, the clamping communication mechanism includes first clamping communication end, second clamping communication end;The medium conveying mechanism is communicated with the first clamping communication end, and first on-off control member is arranged at the communication place;The medium conveying mechanism is communicated with the second clamping communication end, and second on-off control member is arranged at the communication place;The sealing test mechanism includes the container located above the clamping communication mechanism, and the container is used to be communicated with the valve to be detected.

[0006] This utility model is a valve performance testing device. The first and second clamping connecting ends are respectively used to clamp the inlet and outlet ends of the valve under test. During testing, a medium conveying mechanism conveys the medium to the first and second clamping connecting ends. The first and second on / off control components control the flow of the medium at the inlet and outlet ends of the valve under test, respectively. This device can be used for testing the valve body strength. For valves with specific functions, such as backflow preventers, a container in the sealing test mechanism can be used to hold the medium. The container is connected to the male and female ball valves of the backflow preventer. By observing the medium level in the container, the sealing performance of the inlet and outlet check valves of the backflow preventer can be tested. This utility model can perform both valve body strength and valve sealing performance testing.

[0007] Preferably, the sealing test mechanism further includes a first position adjustment component, and the container is connected to the frame through the first position adjustment component; wherein, the first position adjustment component includes a first translation component and a second translation component, the container is connected to the moving end of the first translation component, the fixed end of the first translation component is connected to the frame through the second translation component, and the translation directions of the first translation component and the second translation component are not parallel to each other.

[0008] Preferably, the container includes a measuring tube connected to the moving end of the first translation component, and the bottom of the measuring tube is connected to a connecting tube for communicating with the valve to be tested.

[0009] Preferably, the frame includes a base plate, a first stand, and a second stand connected to the base plate; the clamping and connecting mechanism further includes a sliding assembly, the fixed end of which is connected to the second stand, the sliding end of which is located between the first stand and the second stand, the first clamping and connecting end being connected to the first stand, and the second clamping and connecting end being connected to the sliding end of the sliding assembly; the first on / off control element is connected to the first clamping and connecting end through the first stand; the second on / off control element is connected to the second clamping and connecting end through the sliding end of the sliding assembly.

[0010] Preferably, the first clamping connection end includes a first mating flange, the second clamping connection end includes a second mating flange, the first mating flange is connected to the first stand, and the second mating flange is connected to the sliding end of the sliding assembly; both the first mating flange and the second mating flange are provided with a plurality of positioning pins and sealing rings on their mating surfaces.

[0011] Preferably, the medium conveying mechanism is further provided with a first pressure detection member at the communication position of the first clamping communication end, and a second pressure detection member at the communication position of the second clamping communication end.

[0012] Preferably, the medium conveying mechanism is further provided with a pressure relief mechanism at the communication position of the first clamping communication end and the communication position of the second clamping communication end; wherein the pressure relief mechanism comprises a discharge pipe and a drain valve connected to the discharge pipe.

[0013] Preferably, the medium conveying mechanism comprises a first conveying pipe, a second conveying pipe, a communication pipe member, a pressure reducing valve, a check valve and a water pump; one end of the first conveying pipe is connected to the water pump, and the other end is connected to the first on-off control member through the communication pipe member; the pressure reducing valve and the check valve are arranged in the first conveying pipe; one end of the second conveying pipe is connected to the communication pipe member, and the other end is connected to the second clamping communication end; the second on-off control member is arranged in the second conveying pipe; the water pump is further connected to a water tank arranged below the rack.

[0014] Preferably, the valve performance detection device further comprises a plurality of support seats arranged between the first clamping communication end and the second clamping communication end, and the support seats are arranged in the rack.

[0015] Preferably, the valve performance detection device further comprises a second position adjusting assembly, and the support seats are connected to the rack through the second position adjusting assembly; wherein the second position adjusting assembly comprises a lifting assembly and a third translation assembly, and a moving end of the third translation assembly is connected to the support seats, and a fixed end of the third translation assembly is connected to the rack through the lifting assembly.

[0016] Compared with the prior art, the valve performance detection device has the following beneficial effects:

[0017] 1. The first clamping communication end and the second clamping communication end can be used to clamp the water inlet end and the water outlet end of the valve to be detected respectively, and the medium conveying mechanism conveys medium to the first clamping communication end and the second clamping communication end during the detection process; the first on-off control member and the second on-off control member control the on-off of the medium on the water inlet end side and the water outlet end side of the valve to be detected respectively, so that the valve body strength performance detection can be realized; for valves with specific functions, such as backflow preventers, the container in the sealing test mechanism can be used to hold medium, and the container is connected to the sub-mother ball valve of the backflow preventer, so that the water inlet and water outlet check valve sealing performance detection of the backflow preventer can be realized by observing the liquid level in the container; the valve performance detection device can not only complete the valve body strength performance detection, but also complete the valve sealing performance detection.

[0018] 2. The first position adjusting assembly is arranged to adjust the position of the container relative to the clamping communication mechanism, so that the sealing test mechanism can be suitable for detecting the sealing performance of valves with different functions; the container comprises a burette, which is arranged to facilitate the observation of the change of the liquid level of the medium therein, and can more directly reflect the sealing performance of the water inlet and outlet check valve of the backflow preventer, thereby improving the detection efficiency.

[0019] 3. The pressure relief mechanism, the first pressure detection member and the second pressure detection member are arranged to quickly relieve the pressure of the first clamping communication end and the second clamping communication end, and can be used for detecting the water discharge performance, thereby improving the detection diversity. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a structural schematic view of a valve performance detection device according to Embodiment 1 of the present application;

[0021] Figure 2 FIG. 2 is a structural schematic view of a valve performance detection device according to Embodiment 2 of the present application;

[0022] Figure 3 FIG. 3 is a structural schematic view of a valve performance detection device according to Embodiment 3 of the present application from a front view perspective;

[0023] Figure 4 FIG. 4 is a structural schematic view of a valve performance detection device according to Embodiment 3 of the present application;

[0024] Figure 5 FIG. 5 is an enlarged schematic view of part I in FIG. 4. Figure 4

[0025] ​In the drawings: 100, rack; 110, first stand; 120, second stand; 130, bottom plate; 131, notch structure; 140, fence; 150, reinforcing rib; 160, pedal frame; 200, clamping communication mechanism; 210, first butt flange; 220, second butt flange; 230, sliding assembly; 231, sliding rod; 232, sliding seat; 233, driving assembly; 240, positioning pin; 250, sealing ring; 300, medium conveying mechanism; 310, first conveying pipeline; 320, second conveying pipeline; 330, communication pipe; 340, pressure reducing valve; 350, check valve; 360, water pump; 400, sealing test mechanism; 410, container; 420, connecting pipe; 430, first translation assembly; 440, second translation assembly; 510, first pressure detection piece; 520, second pressure detection piece; 610, first on-off control piece; 620, second on-off control piece; 700, pressure relief mechanism; 710, discharge pipe; 720, drain valve; 810, support seat; 820, lifting assembly; 821, platform; 822, screw rod; 823, transmission box; 824, hand wheel; 825, guide column; 830, third translation assembly; 900, water tank. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with specific implementation. Among them, the drawings are only for example explanation, show only the schematic diagram, and can not be understood as the restriction of this patent; in order to better illustrate the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, some well-known structure and its description in the drawings can be omitted.

[0027] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and the indicated device or element must have a specific orientation, a specific orientation and operation, therefore the position relationship description in the drawings is only for example explanation, and can not be understood as the restriction of this patent, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0028] Embodiment one

[0029] As Figures 1 to 2The utility model discloses a valve performance detection device's first embodiment shows, including frame 100, the clamping intercommunication mechanism 200 of installing in frame 100, medium conveying mechanism 300, sealing test mechanism 400, clamping intercommunication mechanism 200 includes first clamping intercommunication end, with the second clamping intercommunication end of first clamping intercommunication end opposite setting, medium conveying mechanism 300 with first clamping intercommunication end intercommunication, and the intercommunication place is equipped with first on-off control piece 610, medium conveying mechanism 300 with second clamping intercommunication end intercommunication, and the intercommunication place is equipped with second on-off control piece 620, sealing test mechanism 400 includes the container 410 in the clamping intercommunication mechanism 200 top, and the container 410 is used to with the intercommunication of valve to be detected.

[0030] The first clamping intercommunication end, the second clamping intercommunication end can be used for clamping the water inlet end, the water outlet end of the valve to be detected respectively, and the medium conveying mechanism 300 can convey medium to the first clamping intercommunication end and the second clamping intercommunication end during the detection process. The first on-off control piece 610 and the second on-off control piece 620 can control the on-off of the medium on the water inlet side and the water outlet side of the valve to be detected respectively. The valve body strength performance detection can be realized. For valves with specific functions, such as backflow preventers, the container 410 in the sealing test mechanism 400 can be used to hold medium, and the container 410 can be connected to the sub-mother ball valve of the backflow preventer. The water inlet and water outlet check valve sealing performance detection of the backflow preventer can be realized by observing the liquid level of the medium in the container 410. The utility model can complete the valve body strength performance detection and the valve sealing performance detection.

[0031] As shown in Figure 1 and Figure 2 The sealing test mechanism 400 further includes a first position adjusting assembly, and the container 410 is connected to the frame 100 through the first position adjusting assembly. The first position adjusting assembly can be used to adjust the position of the container 410 relative to the clamping intercommunication mechanism 200, so that the sealing test mechanism 400 can be suitable for sealing performance detection of valves with different functions, and the detection accuracy can be improved.

[0032] As shown in Figure 1 and Figure 2 The frame 100 includes a bottom plate 130, a first stand 110 and a second stand 120 connected to the bottom plate 130. The bottom plate 130, the first stand 110 and the second stand 120 are further connected to a reinforcing rib 150, which can improve the stability of the frame 100.

[0033] The first position adjusting assembly comprises a first translation assembly 430 and a second translation assembly 440, the translation directions of the first translation assembly 430 and the second translation assembly 440 are perpendicular to each other; the container 410 is connected with a moving end of the first translation assembly 430, a fixed end of the first translation assembly 430 is connected with a moving end of the second translation assembly 440, and a fixed end of the second translation assembly 440 is connected with the top of the first stand 110 and the second stand 120.

[0034] In the embodiment, the container 410 comprises a burette connected with the moving end of the first translation assembly 430, the burette is provided with a scale, and the bottom of the burette is communicated with a connecting pipe 420 for being communicated with the valve to be detected. As shown in Figure 1 and Figure 2 The bottom of the burette is connected with the moving end of the first translation assembly 430, one end of the connecting pipe 420 is connected with and communicated with the burette after penetrating through the moving end of the first translation assembly 430, and the other end of the connecting pipe 420 can be connected above the sub-valve to be detected. In the embodiment, the connecting pipe 420 is a connecting hose. Specifically, the first translation assembly 430 and the second translation assembly 440 can both be a sliding rail and sliding block structure, and a locking structure can be arranged on the first translation assembly 430 and the second translation assembly 440 according to actual use requirements, so as to improve the stability of the container 410.

[0035] As shown in Figure 2 The clamping and communicating mechanism 200 further comprises a sliding assembly 230, a fixed end of the sliding assembly 230 is connected with the second stand 120, a sliding end of the sliding assembly 230 is located between the first stand 110 and the second stand 120, a first clamping and communicating end is connected with the first stand 110, and a second clamping and communicating end is connected with the sliding end of the sliding assembly 230. As shown in Figures 2 to 5 The sliding assembly 230 comprises a sliding rod 231 and a sliding seat 232 connected with the sliding rod 231, the sliding seat 232 is located between the first stand 110 and the second stand 120, the second clamping and communicating end is connected with the sliding seat 232, and both ends of the sliding rod 231 are connected with the first stand 110 and the second stand 120 respectively; the sliding assembly 230 further comprises a driving assembly 233, a fixed end of the driving assembly 233 is connected with the second stand 120, and a driving end of the driving assembly 233 is connected with the sliding seat 232. The number of the sliding rods 231 can be selected according to actual use requirements. In the embodiment, the driving assembly 233 comprises an oil hydraulic pump and a hydraulic cylinder connected with the oil hydraulic pump, a cylinder base of the hydraulic cylinder is connected with the second stand 120, and an oil hydraulic rod of the hydraulic cylinder is connected with the sliding seat 232 after penetrating through the second stand 120.

[0036] In the embodiment, the moving direction of the first translation assembly 430 or the second translation assembly 440 is arranged in parallel with the sliding direction of the sliding assembly 230, and specifically, the moving direction of the first translation assembly 430 or the second translation assembly 440 is arranged in parallel with the sliding direction of the sliding seat 232.

[0037] In the embodiment, the first on-off control member 610 is connected to the first clamping communication end through the first stand 110, and the second on-off control member 620 is connected to the second clamping communication end through the sliding seat 232. In the embodiment, the first clamping communication end includes the first butt flange 210, and the second clamping communication end includes the second butt flange 220; the first butt flange 210 is detachably connected to the outer side wall of the first stand 110, and the first butt flange 210 is located on the side of the first stand 110 opposite to the sliding seat 232; the second butt flange 220 is detachably connected to the outer side wall of the sliding seat 232, and the second butt flange 220 is located on the side of the sliding seat 232 opposite to the first stand 110. The detachable connection can facilitate replacement of the butt flange corresponding to the specification of the valve to be detected.

[0038] In order to improve the butt joint stability between the valve to be detected and the butt flange, a plurality of positioning pins 240 are arranged on the butt joint surface of the first butt flange 210 and the second butt flange 220, and specifically, the positions and the number of the positioning pins 240 can be set according to the corresponding specification of the valve to be detected. In order to improve the butt joint sealing between the valve to be detected and the butt flange, a plurality of sealing rings 250 are arranged on the butt joint surface of the first butt flange 210 and the second butt flange 220, and in the embodiment, the sealing ring 250 can be a rubber sealing ring.

[0039] As shown in Figure 1 and Figure 2 , the medium conveying mechanism 300 includes a first conveying pipeline 310, a second conveying pipeline 320, a communication pipe 330, a pressure reducing valve 340, a check valve 350, and a water pump 360; one end of the first conveying pipeline 310 is connected to the water pump 360, the other end is connected to one end of the pressure reducing valve 340, the other end of the pressure reducing valve 340 is connected to one end of the first on-off control member 610 through the communication pipe 330, and the other end of the first on-off control member 610 is connected to the first butt flange 210 through the first stand 110; the check valve 350 is installed on the first conveying pipeline 310; one end of the second on-off control member 620 is connected to the communication pipe 330, and the other end of the second on-off control member 620 is connected to one end of the second conveying pipeline 320, and the other end of the second conveying pipeline 320 is connected to the second butt flange 220 through the sliding seat 232. The pressure reducing valve 340 can be used to adjust the pressure of the conveying medium according to the detection requirements of the valve to be detected; the check valve 350 can be used to quickly stop when the water pump 360 is stopped, and can be used to protect the water pump 360.

[0040] As preferred, the communication pipe 330 in the embodiment is a tee pipe, the first on-off control member 610 is a flange gate valve, and the second on-off control member 620 is a threaded gate valve. In the embodiment, the first vertical seat 110 is provided with a first communication pipeline, and the flange gate valve is connected in communication with the first butt flange 210 through the first communication pipeline; the sliding seat 232 is provided with a second communication pipeline, and the second delivery pipeline 320 is connected in communication with the second butt flange 220 through the second communication pipeline.

[0041] As shown in Figure 2 , the valve performance detection device further comprises a water tank 900 arranged below the rack 100, and the water pump 360 is connected in communication with the water tank 900. In the embodiment, the water tank 900 is connected below the bottom plate 130. As shown in Figure 2 , the outer side of the water tank 900 is further provided with a pedal frame 160, and the arrangement of the pedal frame 160 can facilitate the detection operation of the operator.

[0042] The working principle of the valve performance detection device in the embodiment is as follows:

[0043] The valve to be detected is arranged between the first butt flange 210 and the second butt flange 220, the driving assembly 233 drives the sliding seat 232 to move close to the first vertical seat 110, so that the first butt flange 210 and the second butt flange 220 can be respectively butt-jointed with the water inlet end and the water outlet end of the valve to be detected, and the clamping of the valve to be detected on the clamping communication mechanism 200 is completed; the valve performance detection device can be used for performance detection of the backflow preventer.

[0044] When the hydrostatic test is performed on the water inlet end of the backflow preventer, the second on-off control member 620 is closed, the first on-off control member 610 is turned on, the water in the water tank 900 enters the first delivery pipeline 310 through the water pump 360, and then flows to the first butt flange 210 through the check valve 350, the pressure reducing valve 340, the communication pipe 330, and the first on-off control member 610 in sequence, and enters the water inlet end of the backflow preventer, and the detection of the valve body strength of the backflow preventer can be realized by observing whether the backflow preventer leaks or sweats.

[0045] When the sealing performance of the water inlet end of the backflow preventer is detected, the burette is moved to the upper side of the sub-mother ball valve of the backflow preventer through the first position adjusting assembly, and then the connecting pipe 420 is connected with the sub-mother ball valve; then, the first on-off control member 610 is closed, and then the burette is injected with an appropriate amount of water, and the sealing performance of the water inlet check valve of the backflow preventer can be detected by observing whether the water level in the burette decreases; when the sealing performance of the water outlet check valve of the backflow preventer is detected, the second on-off control member 620 is closed to perform the detection.

[0046] Embodiment two

[0047] The second embodiment of the valve performance detection device is similar to the first embodiment, but the difference is that, as shown in Figures 2 to 5 The medium conveying mechanism 300 is connected with the first clamping communication end and the second clamping communication end, and the first pressure detection member 510 and the second pressure detection member 520 are arranged at the connection positions of the medium conveying mechanism 300 and the first clamping communication end and the second clamping communication end.

[0048] In the embodiment, the first pressure detection member 510 is arranged on the first stand 110, and the first pressure detection member 510 is connected with the first butt flange 210 through the first stand 110; the second pressure detection member 520 is arranged on the sliding seat 232, and the second pressure detection member 520 is connected with the second butt flange 220 through the sliding seat 232. As a preferred, the first pressure detection member 510 is a first pressure gauge, the first pressure gauge is arranged on the outer wall of the first stand 110, and the detection end of the first pressure gauge is arranged in the first communication pipeline; the second pressure detection member 520 is a second pressure gauge, and the detection end of the second pressure gauge is arranged in the second communication pipeline.

[0049] As shown in Figures 3 to 5 The medium conveying mechanism 300 is connected with the first clamping communication end and the second clamping communication end, and the first pressure detection member 510 and the second pressure detection member 520 are arranged at the connection positions of the medium conveying mechanism 300 and the first clamping communication end and the second clamping communication end.

[0050] As shown in Figure 4As shown, the bottom plate 130 is provided with a plurality of notch structures 131, the notch structures 131 are communicated with the water tank 900, and the edge of the bottom plate 130 is further provided with a surrounding fence 140; one end of the lead-out pipe 710 on the first stand 110 is communicated with the first communication pipeline, and the other end faces the bottom plate 130; one end of the lead-out pipe 710 on the sliding seat 232 is communicated with the second communication pipeline, and the other end faces the bottom plate 130. The setting of the pressure relief mechanism 700 can be used for rapid drainage, and the water in the first communication pipeline and the second communication pipeline can be quickly drained and returned to the water tank 900 through the notch structure 131, and the pressure in the communication pipeline can be quickly reduced. The setting of the surrounding fence 140 can play a blocking role to avoid the drained water flowing to the ground. It should be noted that the water tank 900 can be a water tank with multiple filtering functions, and the water drained from the pressure relief mechanism 700 to the water tank 900 can be reused after filtering. In addition, in order to avoid water accumulation on the bottom plate 130, the upper surface of the bottom plate 130 can be set as an inclined surface inclined downward towards the notch structure 130.

[0051] The working principle of the valve performance detection device of the embodiment is as follows:

[0052] During the hydrostatic test, in addition to being able to directly observe whether the backflow preventer leaks or sweats, the first pressure detection member 510 and the second pressure detection member 520 can also obtain real-time pressure values, which can further improve the accuracy of the test; after completing the hydrostatic test, the corresponding drain valve 720 at the corresponding communication pipeline can be opened, water can be drained through the lead-out pipe 710 to the water tank 900, the pressure in the corresponding communication pipeline can be quickly reduced, and can be reduced to zero, and the detection of the water drainage performance of the backflow preventer can be realized.

[0053] Embodiment three

[0054] The third embodiment of the valve performance detection device, which is similar to the first or second embodiment, is different in that, as shown, Figures 3 to 5 and further comprises a plurality of support seats 810 located between the first clamping communication end and the second clamping communication end, and the support seats 810 are located below the first clamping communication end and the second clamping communication end, and the support seats 810 are installed on the rack 100.

[0055] The valve performance detection device further comprises a second position adjusting assembly, and the support seats 810 are connected to the rack 100 through the second position adjusting assembly; the setting of the second position adjusting assembly enables the support seats 810 to be applicable to the support of valves of different specifications. In order to enable the support seats 810 to stably support the valve, the support seats 810 can be provided as V-shaped seats, U-shaped seats, or other structures capable of stably supporting the valve, and at least two support seats 810 can be provided to improve stability.

[0056] AsFigures 3 to 5 As shown, the second position adjusting assembly comprises a lifting assembly 820, a third translation assembly 830, the moving end of the third translation assembly 830 is connected with the support base 810, and the fixed end of the third translation assembly 830 is connected with the rack 100 through the lifting assembly 820. In the embodiment, the lifting assembly 820 comprises a platform 821, a screw rod 822, a transmission box 823, a hand wheel 824 and a guide column 825, the third translation assembly 830 is installed on the platform 821, the screw rod 822 and the guide column 825 are both vertically connected to the bottom plate 130, the guide column 825 is slidingly connected with the platform 821, the screw rod 822 is drivingly connected with the platform 821, the screw rod 822 is connected with the hand wheel 824 through the transmission box 823, and the hand wheel 824 can be installed at the enclosure 140; the lifting of the lifting assembly 820 can be adjusted through the hand wheel 824. The number of the screw rod 822 and the guide column 825 can be selected according to actual use requirements. In the embodiment, the moving direction of the third translation assembly 830 is arranged in parallel with the sliding direction of the sliding assembly 230, specifically, the moving direction of the third translation assembly 830 is arranged in parallel with the sliding direction of the sliding base 232, the third translation assembly 830 can be a sliding rail and sliding block structure, and the locking structure can be arranged on the third translation assembly 830 according to actual use requirements to improve the stability of the support base 810.

[0057] The working principle of the valve performance detection device is as follows:

[0058] According to the specification of the valve to be detected, the position of the support base 810 is adjusted through the lifting assembly 820 and the third translation assembly 830, then the valve to be detected is placed on the support base 810, then the clamping and communication mechanism 200 is used for clamping, and then the performance detection of the valve is completed through the medium conveying mechanism 300 and / or the sealing test mechanism 400.

[0059] In the specific contents of the above specific embodiments, any combination of technical features can be combined without contradiction, in order to make the description simple, not all possible combinations of the above technical features are described, however, as long as the combination of these technical features does not exist contradiction, it should be considered as the scope of the description.

[0060] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A valve performance testing device, characterized by, The utility model provides a valve sealing test device, including frame (100), the clamping intercommunication mechanism (200) of installing in frame (100), medium conveying mechanism (300), sealing test mechanism (400), the clamping intercommunication mechanism (200) includes first clamping intercommunication end, second clamping intercommunication end, medium conveying mechanism (300) with first clamping intercommunication end intercommunication, and the intercommunication is equipped with first on-off control piece (610), medium conveying mechanism (300) with second clamping intercommunication end intercommunication, and the intercommunication is equipped with second on-off control piece (620), sealing test mechanism (400) includes the container (410) of being located above the clamping intercommunication mechanism (200), and the container (410) is used for with the valve to be detected intercommunication.

2. The valve performance testing device of claim 1, wherein, The sealing test mechanism (400) further includes a first position adjusting assembly, the container (410) is connected with the frame (100) through the first position adjusting assembly, wherein the first position adjusting assembly includes a first translation assembly (430) and a second translation assembly (440), the container (410) is connected with the moving end of the first translation assembly (430), the fixed end of the first translation assembly (430) is connected with the frame (100) through the second translation assembly (440), and the translation directions of the first translation assembly (430) and the second translation assembly (440) are not parallel to each other.

3. The valve performance testing device of claim 2, wherein, The container (410) includes a burette connected with the moving end of the first translation assembly (430), and the bottom of the burette is communicated with a connecting pipe (420) for intercommunication with the valve to be detected.

4. The valve performance testing device of claim 1, wherein, The frame (100) includes a bottom plate (130), a first stand (110) and a second stand (120) connected to the bottom plate (130), the clamping intercommunication mechanism (200) further includes a sliding assembly (230), the fixed end of the sliding assembly (230) is connected with the second stand (120), the sliding end of the sliding assembly (230) is located between the first stand (110) and the second stand (120), the first clamping intercommunication end is connected with the first stand (110), and the second clamping intercommunication end is connected with the sliding end of the sliding assembly (230). The first on-off control piece (610) is communicated with the first clamping intercommunication end through the first stand (110), and the second on-off control piece (620) is communicated with the second clamping intercommunication end through the sliding end of the sliding assembly (230).

5. The valve performance testing device of claim 4, wherein, The first clamping intercommunication end includes a first flange (210), the second clamping intercommunication end includes a second flange (220), the first flange (210) is connected with the first stand (110), and the second flange (220) is connected with the sliding end of the sliding assembly (230), a plurality of positioning pins (240) and sealing rings (250) are arranged on the abutting surfaces of the first flange (210) and the second flange (220).

6. The valve performance testing device according to any one of claims 1 to 5, characterized in that, The medium conveying mechanism (300) is provided with a first pressure detection member (510) at the communication position of the first clamping communication end, and is provided with a second pressure detection member (520) at the communication position of the second clamping communication end.

7. The valve performance testing device of claim 6, wherein, The medium conveying mechanism (300) is provided with a pressure relief mechanism (700) at the communication position of the first clamping communication end and at the communication position of the second clamping communication end; wherein the pressure relief mechanism (700) comprises a discharge pipe (710) and a drain valve (720) connected to the discharge pipe (710).

8. The valve performance testing device according to any one of claims 1 to 5, characterized in that, The medium conveying mechanism (300) comprises a first conveying pipeline (310), a second conveying pipeline (320), a communication pipe (330), a pressure reducing valve (340), a check valve (350) and a water pump (360); one end of the first conveying pipeline (310) is connected to the water pump (360), and the other end is connected to the first on-off control member (610) through the communication pipe (330); the pressure reducing valve (340) and the check valve (350) are arranged in the first conveying pipeline (310); one end of the second conveying pipeline (320) is connected to the communication pipe (330), and the other end is connected to the second clamping communication end; the second on-off control member (620) is arranged in the second conveying pipeline (320); and the water pump (360) is connected to a water tank (900) arranged below the rack (100).

9. The valve performance testing device according to any one of claims 1 to 5, characterized in that, The first clamping communication end and the second clamping communication end are connected by a plurality of support seats (810), and the support seats (810) are arranged on the rack (100).

10. The valve performance testing device of claim 9, wherein, The first clamping communication end and the second clamping communication end are connected by a plurality of support seats (810), and the support seats (810) are arranged on the rack (100). The first clamping communication end and the second clamping communication end are connected by a plurality of support seats (810), and the support seats (810) are arranged on the rack (100). The first clamping communication end and the second clamping communication end are connected by a plurality of support seats (810), and the support seats (810) are arranged on the rack (100).

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