CN210774524U

CN210774524U - Air valve tightness detection test bed

Info

Publication number: CN210774524U
Application number: CN201922240102.1U
Authority: CN
Inventors: 胡银河; 胡朝志; 王云龙; 潘陈达; 胡明光; 朱克锐
Original assignee: Yongjia Dory Machinery Co ltd
Current assignee: Yongjia Dory Machinery Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-06-16
Anticipated expiration: 2029-12-14

Abstract

The utility model discloses a test bed for detecting air valve tightness, belonging to the technical field of valve test beds, which comprises a rack and a pair of air valve limiting mechanisms arranged on the rack in a sliding way, wherein each air valve limiting mechanism comprises a movable plate connected on the rack in a sliding way, a sliding cavity used for the sliding connection of the movable plate is arranged on the rack, the upper ends of the movable plates are fixedly sleeved with a straight pipe through a fixed sleeve, the air valve limiting mechanisms capable of horizontally moving left and right are arranged so as to seal and position air valves with different diameters, after air is supplied into an air valve to be detected, when the air valve has an air leakage phenomenon, a gas detection balloon connected with the other end of the air valve can expand so as to visually observe the air tightness phenomenon, in addition, an air pump connected with the air valve is arranged at an air outlet pipe so as to conveniently carry out air tightness detection inside the air tightness detection mechanism, so as not to interfere with subsequent repeated air-tightness testing.

Description

Air valve tightness detection test bed

Technical Field

The utility model relates to a valve test bench technical field, more specifically say, relate to an air valve seal detection test platform.

Background

The gas valve is a part used for controlling gas to enter and exit the cylinder in the compressor, in the process of exploiting an oil-gas field, the compressor is generally required to be used for conveying exploited natural gas, the influence of the quality of the gas tightness of the gas valve on the working efficiency of the compressor is great, and therefore the gas tightness of the gas valve needs to be detected to ensure that the gas valves leaving a factory all reach the qualified standard.

However, the existing valve detection device is used for blocking the interface of the valve through the device and then immersing the valve into water to detect the air tightness state of the valve by observing whether the water bubbles, the error is large, the efficiency is low, and when the gas leakage of the gas valve is small, the problem of leakage of the gas valve is difficult to observe visually.

Disclosure of Invention

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide an air valve leakproofness test bench, horizontal migration's air valve stop gear can be controlled through setting up, so that carry out sealed location to the air valve of different footpath straight length, to waiting to detect behind the air valve in the air feed, there is the phenomenon of losing heart when the air valve, the gas detection balloon that is connected with the air valve other end just can expand, so that the visual observation gas tightness phenomenon, in addition, set up the aspiration pump rather than being connected in outlet duct department, so that manage to find time to gas tightness detection mechanism inside, from not influencing subsequent repeated gas tightness test.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An air valve tightness detection test bed comprises a rack and a pair of air valve limiting mechanisms arranged on the rack in a sliding mode, wherein each air valve limiting mechanism comprises a movable plate connected to the rack in a sliding mode, a sliding cavity used for sliding connection of the movable plate is formed in the rack, the upper ends of the pair of movable plates are fixedly connected with a straight pipe through a fixing sleeve, air valve connecting flanges are in threaded connection with opposite side walls of the pair of straight pipes, a driving device used for driving the pair of movable plates is fixedly installed at the bottom end of the rack, air supply equipment is arranged at the right end of the rack, an air supply end of the air supply equipment is connected with the straight pipe at the right end through an air inlet pipe, an air outlet pipe is fixedly connected to one end of the straight pipe at the left end, an air tightness detection mechanism is fixedly connected to the outer end of the air outlet, the air pump is connected with the air outlet pipe through an air outlet pipe.

Furthermore, the bottom ends of the pair of moving plates respectively penetrate through the two sliding cavities and extend downwards, and the top ends of the pair of moving plates are fixedly connected with the fixed sleeve through the arc-shaped supporting blocks.

Further, drive arrangement includes fixed connection in the convex plate of rack, the equal fixed mounting in the inside both sides in top of convex plate has electric putter, and is a pair of electric putter's flexible end run through the both sides lateral wall of convex plate respectively and with the lateral wall fixed connection of a pair of movable plate, a pair of electric putter drives a pair of movable plate respectively to the realization is adjusted the interval between this a pair of pneumatic valve stop gear.

Furthermore, the guide grooves are formed in the upper ends of the side walls of the two sides of the convex plate, and the bottom ends of the pair of movable plates are respectively connected into the two guide grooves in a sliding mode, so that the sliding stability of the movable plates is easily improved.

Further, gas tightness detection mechanism includes the standpipe of fixed connection in rack left side bottom, the gaseous storage ball of bottom fixedly connected with of standpipe, the bottom of gaseous storage ball is connected with gaseous detection balloon, the check valve is installed on the top of gaseous detection balloon, and there is the phenomenon of losing heart when waiting to detect the pneumatic valve, then can save certain volumetric gas after a period in gaseous storage ball, and the gaseous detection balloon of being connected with then can take place the inflation to easily technical staff sees the gas tightness testing result directly perceived.

Furthermore, the upper end of the rack is provided with a movable cavity for the movement of the air outlet pipe, and the bottom end of the air outlet pipe penetrates through the movable cavity and is communicated with the vertical pipe.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) horizontal migration's pneumatic valve stop gear about this scheme can be through setting up to in order to carry out sealed location to the pneumatic valve of different footpath straight length, to waiting to detect the pneumatic valve in the air feed after, there is the phenomenon of losing heart when the pneumatic valve, the gas detection balloon that is connected with the pneumatic valve other end just can expand, so that the gas tightness phenomenon of audio-visual observation, in addition, locate to set up the aspiration pump rather than being connected at the outlet duct, so that manage to find time inside the gas tightness detection mechanism, from not influencing subsequent repeated gas tightness detection test.

(2) The driving device comprises a convex plate fixedly connected to the rack, electric push rods are fixedly mounted on two sides inside the top end of the convex plate, the telescopic ends of the electric push rods penetrate through side walls of two sides of the convex plate respectively and are fixedly connected with side walls of a pair of movable plates, and the electric push rods drive the movable plates respectively so as to adjust the distance between the pair of air valve limiting mechanisms.

(3) Gas tightness detection mechanism includes the standpipe of fixed connection in rack left side bottom, the gaseous storage ball of bottom fixedly connected with of standpipe, the bottom of gaseous storage ball is connected with gaseous detection balloon, the check valve is installed on the top of gaseous detection balloon, there is the phenomenon of losing heart when the pneumatic valve that waits to detect, then the gaseous storage ball is interior then can save certain volumetric gas after a period, the gaseous detection balloon of being connected then can take place the inflation with it to easily technical staff sees the gas tightness testing result directly perceived.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention during operation;

fig. 3 is a perspective view of the guide plate of the present invention.

The reference numbers in the figures illustrate:

1 rack, 2 moving plates, 3 arc-shaped supporting blocks, 4 straight pipes, 5 fixed sleeves, 6 air valve connecting flanges, 7 air supply devices, 8 air inlet pipes, 9 air outlet pipes, 10 vertical pipes, 11 gas storage balls, 12 gas detection balloons, 13 air extraction pumps, 14 air extraction pipes, 15 convex plates, 16 electric push rods and 17 guide grooves.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, an air valve tightness detection test bed comprises a rack 1 and a pair of air valve limiting mechanisms slidably disposed on the rack 1, wherein each air valve limiting mechanism comprises a movable plate 2 slidably connected to the rack 1, the rack 1 is provided with a sliding cavity for slidably connecting the movable plate 2, the upper ends of the movable plates 2 are fixedly sleeved with a straight pipe 4 through a fixing sleeve 5, opposite side walls of the straight pipes 4 are in threaded connection with air valve connecting flanges 6, the air valve connecting flanges 6 can be disassembled and replaced, so as to connect the pneumatic valve of different footpath mouth sizes, two slip chambeies are run through respectively and extend downwards to the bottom of a pair of movable plate 2, and the top of a pair of movable plate 2 all passes through arc supporting shoe 3 and fixed cover 5 fixed connection, and the pneumatic valve seal installation that awaits measuring is between a pair of pneumatic valve stop gear to subsequent gas tightness detects.

The bottom fixed mounting of rack 1 has and is used for carrying out driven drive arrangement to a pair of movable plate 2, it is concrete, drive arrangement includes fixed connection in rack 1's convex plate 15, the equal fixed mounting in the inside both sides in top of convex plate 15 has electric putter 16, a pair of electric putter 16's flexible end run through convex plate 15's both sides lateral wall respectively and with a pair of movable plate 2's lateral wall fixed connection, a pair of electric putter 16 drives a pair of movable plate 2 respectively, so that realize adjusting the interval between this a pair of air valve stop gear, thereby be applicable to and install the pneumatic valve of different footpath directly sizes.

Referring to fig. 3, the upper ends of the side walls of the two sides of the convex plate 15 are respectively provided with a guide slot 17, and the bottom ends of the pair of moving plates 2 are respectively slidably connected in the two guide slots 17, so that the horizontal sliding stability of the moving plates 2 is easily improved.

Please refer to fig. 2, the right end of the rack 1 is provided with a gas supply device 7, the gas supply end of the gas supply device 7 is connected with the straight pipe 4 at the right end through a gas inlet pipe 8, the gas supply device 7 is a device capable of supplying gas in the prior art, which is not described herein, one end of the straight pipe 4 at the left end is fixedly connected with a gas outlet pipe 9, the outer end of the gas outlet pipe 9 is fixedly connected with a gas tightness detection mechanism, the left end of the rack 1 is fixedly mounted with a gas pump 13, the gas pump 13 is connected with the gas outlet pipe 9 through a gas extraction pipe 14, the gas pump 13 extracts the gas in the gas detection mechanism, the gas storage ball 11 and the gas detection balloon 12 are in a vacuum state, and the detection accuracy is effectively.

Specifically, the air tightness detection mechanism comprises a vertical pipe 10 fixedly connected with the bottom end of the left side of the rack 1, a gas storage ball 11 is fixedly connected with the bottom end of the vertical pipe 10, a gas detection balloon 12 is connected with the bottom end of the gas storage ball 11, a one-way valve is installed at the top end of the gas detection balloon 12, when an air valve to be detected has an air leakage phenomenon, a certain volume of gas is stored in the gas storage ball 11 after a certain period of time, the gas detection balloon 12 connected thereto is inflated, so that technicians can easily visually see the air tightness detection result, the upper end of the rack 1 is provided with a movable cavity for the movement of the air outlet pipe 9, the bottom end of the air outlet pipe 9 penetrates through the movable cavity and is communicated with the vertical pipe 10, the movement flexibility of the air outlet pipe 9 is easily improved, it should be emphasized that the structure connected with the left end and the right end of the air valve to be detected has no air tightness problem.

When the utility model is used, firstly, a technician fixes the air valve to be detected between a pair of air valve limiting mechanisms in a sealing way, and the operation is that one end of the air valve to be detected is fixedly and hermetically connected to the air valve connecting flange 6 at one end, the unconnected air valve limiting mechanism is driven to move by starting the electric push rod 16 according to the diameter length of the air valve, so that the other air valve connecting flange 6 is connected to the other end of the air valve to be detected, and the pair of air valve limiting mechanisms are respectively controlled by the pair of electric push rods, thereby being easy to improve the sealing and limiting of the air valves with different diameter lengths;

after the gas valve positioning work is finished, the gas in the gas detection mechanism is firstly extracted by the air extracting pump 13, before detection, the gas storage ball 11 and the gas detection balloon 12 are in a vacuum state, the detection accuracy is effectively ensured, gas is supplied to the gas valve through the gas supply device 7, if the gas valve is poor in gas tightness, the gas is guided into the gas storage ball 11 through the gas outlet pipe 9, so that the gas detection balloon 12 will gradually expand due to the gradual increase of gas, and the gas leakage condition can be intuitively known through the gas detection balloon 12, and a person skilled in the art installs a one-way valve at the top end of the gas detection balloon 12, when the gas valve has a gas leakage phenomenon, after a period of time, the gas storage balloon 11 stores a certain amount of gas, and the one-way valve is opened, so that the expansion change of the gas detection balloon 12 can be more visually seen.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides an air valve leakproofness detection test platform, includes rack (1) and slides and set up a pair of air valve stop gear on rack (1), its characterized in that: the air valve limiting mechanism comprises a movable plate (2) which is connected onto a rack (1) in a sliding mode, a sliding cavity used for sliding connection of the movable plate (2) is formed in the rack (1), a pair of straight-through pipes (4) are fixedly sleeved at the upper ends of the movable plates (2) through fixing sleeves (5), an air valve connecting flange (6) is connected onto the opposite side wall of each straight-through pipe (4) in a threaded mode, a driving device used for driving the pair of movable plates (2) is fixedly installed at the bottom end of the rack (1), air supply equipment (7) is arranged at the right end of the rack (1), an air supply end of the air supply equipment (7) is connected with the straight-through pipes (4) located at the right end through air inlet pipes (8), an air outlet pipe (9) is fixedly connected at one end of each straight-through pipe (4) located at the left end, and an air tightness detection mechanism, the left end fixed mounting of rack (1) has aspiration pump (13), aspiration pump (13) are connected with outlet duct (9) through exhaust tube (14).

2. The test bed for detecting the air valve tightness according to claim 1, characterized in that: the bottom ends of the pair of moving plates (2) penetrate through the two sliding cavities respectively and extend downwards, and the top ends of the pair of moving plates (2) are fixedly connected with the fixed sleeve (5) through the arc-shaped supporting block (3).

3. The test bed for detecting the air valve tightness according to claim 2, characterized in that: the driving device comprises a convex plate (15) fixedly connected to the rack (1), electric push rods (16) are fixedly mounted on two sides of the top of the convex plate (15) respectively, and the telescopic ends of the electric push rods (16) penetrate through the side walls of two sides of the convex plate (15) respectively and are fixedly connected with the side walls of the movable plates (2).

4. The test bed for detecting the air valve tightness according to claim 3, characterized in that: guide grooves (17) are formed in the upper ends of the side walls of the two sides of the convex plate (15), and the bottom ends of the pair of moving plates (2) are connected into the two guide grooves (17) in a sliding mode respectively.

5. The test bed for detecting the air valve tightness according to claim 1, characterized in that: the gas tightness detection mechanism includes standpipe (10) of fixed connection in rack (1) left side bottom, the gaseous storage ball (11) of bottom fixedly connected with of standpipe (10), the bottom of gaseous storage ball (11) is connected with gaseous detection balloon (12), the check valve is installed on the top of gaseous detection balloon (12).

6. The test bed for detecting the air valve tightness according to claim 5, characterized in that: the upper end of the rack (1) is provided with a movable cavity for the movement of the air outlet pipe (9), and the bottom end of the air outlet pipe (9) penetrates through the movable cavity and is communicated with the vertical pipe (10).