CN104266834A - Comprehensive detection platform for gas valves - Google Patents

Comprehensive detection platform for gas valves Download PDF

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Publication number
CN104266834A
CN104266834A CN201410551243.4A CN201410551243A CN104266834A CN 104266834 A CN104266834 A CN 104266834A CN 201410551243 A CN201410551243 A CN 201410551243A CN 104266834 A CN104266834 A CN 104266834A
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CN
China
Prior art keywords
distribution mechanism
flow
detection platform
valve body
comprehensive detection
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Application number
CN201410551243.4A
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Chinese (zh)
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CN104266834B (en
Inventor
刘永光
杨晓伟
程楠楠
刘文磊
高晓辉
孙健
王一轩
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Beihang University
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Beihang University
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Abstract

The invention provides a comprehensive detection platform for gas valves. The comprehensive detection platform ingeniously integrates all grades of gas pipelines with different flow capacities, different connectors and different pressure regulation capabilities in a gas pipe network in China at present, so the comprehensive performance of the gas valves with different models can be effectively detected. The comprehensive detection platform comprises an upstream pipeline, an upstream flow distribution mechanism, a downstream pipeline, a downstream flow distribution mechanism, a hydraulic cylinder, a measured valve body and a moving mechanism, wherein the upstream pipeline and the upstream flow distribution mechanism are used for simulating a main gas pipeline or branch main pipelines in the gas pipe network; the downstream pipeline and the downstream flow distribution mechanism are used for simulating a user pipeline or branch pipelines in the gas pipe network; the hydraulic cylinder is arranged at the top end of the upstream pipeline, pushes the upstream flow distribution mechanism through motion of a piston rod and enables the upstream flow distribution mechanism to be in butt joint with the measured valve body; the measured valve body is mounted on the moving mechanism through bolts, and the two end faces of the measured valve body can be matched with the upstream flow distribution mechanism and the downstream flow distribution mechanism; the moving mechanism provides a mounting platform for measured valve bodies with different models, and delivers the measured valve bodies to a testing position. By the adoption of the comprehensive detection platform, system sensitive parameters can be observed, measured, controlled and adjusted; the comprehensive detection platform is convenient and fast to use and high in universality.

Description

Gas valve comprehensive detection platform
Technical field
The present invention relates to a kind of gas valve comprehensive detection platform.
Background technology
Along with the development of urban construction, gas ductwork area coverage is more and more higher, and in gas supply system, gas valve is used for entering low-voltage customer by after the mesohigh pipe mesh pressure adjust of piped gas.Such as, the pressure of usual piped gas pipe network is generally middle pressure (0.2-0.4MPa), high pressure (2.5-4MPa) or sub-high pressure (0.8-1.6Mpa).In piped gas pipe network, gas valve realizes gas main road and branch's main pipe rail and the pressure between branch's main pipe rail and user and regulates, and part gas piping needs, after two-stage even three grades of pressure regulation, can enter user pipe and be used.Due to the difference of gas piping pressure regulation at different levels and through-current capability, therefore need the gas valve of different model, namely the pressure regulation of gas valve and through-current capability different.
Pipeline network of fuel gas in city construction belongs to special trade, require high especially to the safety and reliability of whole pipe network, wherein especially to emphasize the safety and reliability that in gas piping at different levels, gas valve uses, according to incompletely statistics, gas accidents more than 70% all causes pipeline to suppress quick-fried because gas valve is revealed or pressure regulation is out of control and causes, therefore ensure the safety and reliability that gas valve uses, this makes the periodic detection in the factory testing of gas valve safety and reliability and gas valve use procedure most important.Due to through-flow bore and the pressure regulation ability difference of the gas valve of different model, and on market and each production unit all there is no a kind of gas valve checkout equipment of versatility, therefore the detection of the current gas valve for different model needs to carry out on different checkout equipments, namely the gas valve of often kind of model needs a set of through-current capability, the gas valve checkout equipment that interface and pressure regulation ability are corresponding with it, if the gas valve increasing a kind of new model just needs to redesign to process a set of checkout equipment matched with it, this significantly increases testing cost, and bring greatly inconvenience to production and processing, cause the waste of resource and labour.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of gas valve comprehensive detection platform, it is integrated in one ingenious for the gas piping rank of through-current capabilities different in current domestic gaspipe network, interface and pressure regulation ability, thus effectively can detect the safety and reliability of the gas valve of multiple different model, sensitive parameter is considerable measurable and controllable adjustable, convenient and swift, highly versatile.
For this reason, the invention provides a kind of gas valve comprehensive detection platform, comprising: mounting platform, play fixed support; Upstream and flow-distribution mechanism, it is used for simulating the gas main road in gaspipe network or branch's main pipe rail; Downstream pipe and flow-distribution mechanism, it is used for simulating the user's pipeline in gaspipe network or branch road; Hydraulic cylinder, it is placed in described upstream top, promotes upstream flow-distribution mechanism by the motion of piston rod, and makes itself and tested valve mates; Upstream bracing frame, it in order to support upstream and hydraulic cylinder, and is fixed on mounting platform; Tested valve body, it is arranged in travel mechanism by bolt, and detachably, both ends of the surface can match with upstream flow-distribution mechanism and downstream flow-distribution mechanism; Travel mechanism, provides the mounting platform of the tested valve body of different model, the motion realized on guide rail by angle sheave, thus realizes tested valve body to be dispensed into testing position; Main shaft, drives upstream flow-distribution mechanism or/and downstream flow-distribution mechanism rotates, realizes the coupling of the gaspipe line of different latus rectum; Drive motor, it realizes reducing rotating speed by speed reduction unit increases moment of torsion, and drives described main axis by Chain conveyer; Drive motor realizes the pipeline coupling of tested valve body upstream and downstream by main shaft, the operating mode of the tested valve body of real simulation.
According to a preferred aspect of the present invention, gas valve comprehensive detection platform comprises upstream flow-distribution mechanism and downstream flow-distribution mechanism, be integrated in one ingenious for the gas piping rank of through-current capabilities different in gaspipe network, interface and pressure regulation ability, simulate different gas piping ranks by the selection of the different flow pipelines to flow-distribution mechanism; Described flow-distribution mechanism is primarily of rotating disk, flow distribution pipe, sealing adaptor, O-ring seal composition.
According to a preferred aspect of the present invention, the flow-distribution mechanism of gas valve comprehensive detection platform adopts double-layer seal, sealing adaptor adopts sucked type structure, the inner design increasing O-ring seal, Double-protection makes coordinating more tight between flow pipeline with tested valve body, drastically increases the security in the accuracy and testing process that gas valve detects; Non-docking one end of described downstream flow-distribution mechanism is designed with spring, for docking operation provides buffering, prevents docking operation from producing injury to tested valve body, and provides spring force for testing the playback terminating rear tested valve body.
As preferably, gas valve comprehensive detection platform is by the flexible movement realizing upstream flow-distribution mechanism of hydraulic control cylinder piston rod, piston rod is connected by crossover sub with upstream flow-distribution mechanism, upstream flow-distribution mechanism can move up along main shaft square, flow-distribution mechanism and measured piece end face are designed with force snesor, ensure the leakproofness of docking.
According to a preferred aspect of the present invention, gas valve comprehensive detection platform realizes by controlling drive motor rotating speed the pipeline selected control of flow-distribution mechanism, drive motor realizes the reduction of speed and the increase of moment of torsion through speed reduction unit, and realize controlling more accurately valve plate, thus realize the accurate selection to the different flow pipeline of flow-distribution mechanism.
According to a preferred aspect of the present invention, for ensureing the versatility of gas valve comprehensive detection platform, be designed with guide rail between the dolly of travel mechanism and two transition pieces, thus two transition piece relative positions can be made adjustable, and then meet the demand of tested valve body of different model.
In the present invention, a set of gas valve comprehensive detection platform only to be needed just can to realize to the test experience of the tested valve body safety and reliability of different model, this is while raising experimental result accuracy and reliability, also reduce production cost, improve workman's efficiency and economic benefit, for the design of gaspipe network and safe and reliable operation provide powerful technical support, significant to promotion gaspipe network.
Accompanying drawing explanation
Fig. 1 is the gas valve comprehensive detection platform axonometric drawing according to an embodiment of the invention;
Fig. 2 is the gas valve comprehensive detection platform vertical view according to an embodiment of the invention;
Fig. 3 is the gas valve comprehensive detection platform left view according to an embodiment of the invention;
Fig. 4 is the mechanism for testing axonometric drawing 1 of the gas valve comprehensive detection platform according to an embodiment of the invention;
Fig. 5 is the mechanism for testing axonometric drawing 2 of the gas valve comprehensive detection platform according to an embodiment of the invention;
Fig. 6 is the mechanism for testing front view of the gas valve comprehensive detection platform according to an embodiment of the invention;
Fig. 7 is the mechanism for testing vertical view of the gas valve comprehensive detection platform according to an embodiment of the invention;
Fig. 8 is the flow-distribution mechanism axonometric drawing of the gas valve comprehensive detection platform according to an embodiment of the invention;
Fig. 9 is the flow-distribution mechanism front view of the gas valve comprehensive detection platform according to an embodiment of the invention;
Figure 10 is the flow-distribution mechanism right view of the gas valve comprehensive detection platform according to an embodiment of the invention;
Figure 11 is the flow-distribution mechanism left view of the gas valve comprehensive detection platform according to an embodiment of the invention;
Figure 12 is travel mechanism's axonometric drawing of the gas valve comprehensive detection platform according to an embodiment of the invention;
Figure 13 is the front view of part body duty when carrying out test experience according to the gas valve comprehensive detection platform of an embodiment of the invention to tested valve body;
Figure 14 is the vertical view of part body duty when carrying out test experience according to the gas valve comprehensive detection platform of an embodiment of the invention to tested valve body;
Figure 15 is the axonometric drawing 1 of part body duty when carrying out test experience according to the gas valve comprehensive detection platform of an embodiment of the invention to tested valve body;
Figure 16 is the axonometric drawing 2 of part body duty when carrying out test experience according to the gas valve comprehensive detection platform of an embodiment of the invention to tested valve body.
In figure: 1, mounting platform; 2, downstream pipe fixed mount; 3, downstream pipe; 4, tested valve body; 5, guide rail, 6, mobile platform; 7, upstream bracing frame; 8, upstream; 9, upstream fixed mount; 10, hydraulic cylinder; 11, upstream flow-distribution mechanism; 12, downstream flow-distribution mechanism; 13, drive motor; 14, speed reduction unit; 15, chain; 16, sprocket wheel; 17, bracing frame; 18, key; 19, main shaft; 20, spring; 21, rotating disk; 22, flow distribution pipe; 23, sealing adaptor; 24, O-ring seal; 25, angle sheave; 26, transition piece; 27, travel mechanism.
Embodiment
Describe in detail according to the embodiment of the present invention below in conjunction with accompanying drawing.
As shown in drawings, gas valve comprehensive detection platform comprises: mounting platform 1, plays fixed support; Upstream and flow-distribution mechanism 11, it is used for simulating the gas main road in gaspipe network or branch's main pipe rail; Downstream pipe and flow-distribution mechanism 12, it is used for simulating the user's pipeline in gaspipe network or branch road; Hydraulic cylinder 10, it is placed in described upstream 8 top, promotes upstream flow-distribution mechanism 11 by the motion of piston rod, and makes it match with tested valve body 4; Upstream bracing frame 7, it in order to support upstream 8 and hydraulic cylinder 10, and is fixed on mounting platform; Tested valve body 4, it is arranged in travel mechanism by bolt, and detachably, both ends of the surface can match with upstream flow-distribution mechanism 11 and downstream flow-distribution mechanism 12; Travel mechanism 27, provides the mounting platform of the tested valve body 4 of different model, the motion realized on guide rail by angle sheave 25, thus realizes tested valve body 4 to be dispensed into testing position; Main shaft 19, drives upstream flow-distribution mechanism 11 or/and downstream flow-distribution mechanism 12 rotates, realizes the coupling of the gaspipe line of different latus rectum; Drive motor 13, it realizes reducing rotating speed by speed reduction unit 14 increases moment of torsion, and drives described main axis by Chain conveyer (15,16); Drive motor 13 realizes the pipeline coupling of tested valve body 4 upstream and downstream by main shaft 19, the operating mode of the tested valve body 4 of real simulation.
Preferably, gas valve comprehensive detection platform comprises upstream flow-distribution mechanism 11 and downstream flow-distribution mechanism 12, be integrated in one ingenious for the gas piping rank of through-current capabilities different in gaspipe network, interface and pressure regulation ability, simulate different gas piping ranks by the selection of the different flow pipelines to flow-distribution mechanism; Described flow-distribution mechanism forms primarily of rotating disk 21, flow distribution pipe 22, sealing adaptor 23, O-ring seal 24.
Preferably, the upstream flow-distribution mechanism 11 of gas valve comprehensive detection platform and downstream flow-distribution mechanism 12 and tested valve body 4 interface, adopt double-layer sealing structure, sealing adaptor adopts sucked type structure, the inner design increasing O-ring seal, Double-protection makes coordinating more tight between flow pipeline with tested valve body, drastically increases the security in the accuracy and testing process that gas valve detects; Non-docking one end of described downstream flow-distribution mechanism is designed with spring 20, for docking operation provides buffering, prevents docking operation from producing injury to tested valve body.
As preferably, gas valve comprehensive detection platform is by the flexible movement realizing upstream flow-distribution mechanism 11 of hydraulic control cylinder 10 piston rod, piston rod is connected by crossover sub with upstream flow-distribution mechanism 11, upstream flow-distribution mechanism 11 can move up along main shaft 19 side, flow-distribution mechanism and measured piece end face are designed with force snesor, namely ensure to dock successfully, prevent again that tested valve body is stressed excessively to cause damage.
Preferably, drive motor 13 realizes reducing rotating speed by speed reduction unit 14 increases moment of torsion, and realizing the driving to main shaft 19 by Chain conveyer (15,16), main shaft 19 drives upper flow-distribution mechanism 11 and lower flow-distribution mechanism 12 to rotate, and realizes the operating mode that the tested valve body 4 of simulation is different.
Gas valve comprehensive detection platform realizes by controlling drive motor 13 rotating speed the pipeline selected control of flow-distribution mechanism, drive motor 13 realizes the reduction of speed and the increase of moment of torsion through speed reduction unit 14, and realize controlling more accurately valve plate, thus realize the accurate selection to the different flow pipeline of flow-distribution mechanism.
According to a preferred aspect of the present invention, be the versatility ensureing gas valve comprehensive detection platform, be designed with guide rail between travel mechanism and two transition pieces 26, thus two transition piece 26 relative positions can be made adjustable, and then meet the demand of tested valve body of different model.
The working method of an illustrative embodiments of gas valve comprehensive detection platform test platform is as follows, also can otherwise work.
According to the size of tested valve body 4, the distance of the transition piece 26 on adjustment mobile platform 27, tested valve body 4 is arranged on mobile platform 27, and moved to test position, TT&C system rotates by controlling drive motor 13, main shaft 19 is driven to rotate, thus realize selecting upstream flow-distribution mechanism 11 and the upstream required for downstream flow-distribution mechanism 12 and downstream pipe, TT&C system hydraulic control cylinder 10 stretches out, promote upstream flow-distribution mechanism 11 to move axially along main shaft 19, move when promoting tested valve body after the seal head 23 on upstream flow-distribution mechanism 11 with tested valve body 4 end contact, the other end of tested valve body 4 is contacted with the seal head on downstream flow-distribution mechanism 12, continue to extend hydraulic cylinder 10, tested valve body 4 two ends seal head 23 is in the effect of spring 20 power and hydraulic cylinder 10, the tested valve body 4 of compact siro spinning technology, when meeting request for utilization, force snesor is to TT&C system feedback signal, hydraulic cylinder 10 stops stretching out, open upstream and downstream switches valve, carry out the related experiment of tested valve body 4.
After experiment terminates, close upstream and downstream switches valve, TT&C system hydraulic control cylinder 10 is regained, and control upstream flow-distribution mechanism 11 and depart from tested valve body 4, tested valve body 4 relies on spring 20 power, returns to initial position, controls mobile platform 27 and shifts out, take off tested valve body 4 from transition piece 26, complete valve body test.
In the present invention, a set of gas valve comprehensive detection platform only to be needed just can to realize to the test experience of the tested valve body safety and reliability of different model, this is while raising experimental result accuracy and reliability, also reduce production cost, improve workman's efficiency and economic benefit, for the design of gaspipe network and safe and reliable operation provide powerful technical support, significant to promotion gaspipe network.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.

Claims (5)

1. a gas valve comprehensive detection platform, is characterized in that, comprising:
Upstream and flow-distribution mechanism, it is used for simulating the gas main road in gaspipe network or branch's main pipe rail;
Downstream pipe and flow-distribution mechanism, it is used for simulating the user's pipeline in gaspipe network or branch road;
Hydraulic cylinder, it is placed in described upstream top, promotes upstream flow-distribution mechanism by the motion of piston rod, and makes itself and tested valve mates;
Tested valve body, it is arranged in travel mechanism by bolt, and both ends of the surface can match with upstream flow-distribution mechanism and downstream flow-distribution mechanism;
Travel mechanism, provides the mounting platform of the tested valve body of different model, the motion realized on guide rail by angle sheave, thus realizes tested valve body to be dispensed into testing position.
2. gas valve comprehensive detection platform according to claim 1, is characterized in that, main shaft, drives upstream flow-distribution mechanism or/and downstream flow-distribution mechanism rotates, realizes the coupling of the gaspipe line of different latus rectum; Drive motor, it realizes reducing rotating speed by speed reduction unit increases moment of torsion, and drives described main axis by Chain conveyer; Drive motor realizes the pipeline coupling of tested valve body upstream and downstream by main shaft, the operating mode of the tested valve body of real simulation.
3. gas valve comprehensive detection platform according to claim 1, it is characterized in that, gas valve comprehensive detection platform comprises upstream flow-distribution mechanism and downstream flow-distribution mechanism, be integrated in one ingenious for the gas piping rank of through-current capabilities different in gaspipe network, interface and pressure regulation ability, simulate different gas piping ranks by the selection of the different flow pipelines to flow-distribution mechanism; Described flow-distribution mechanism is primarily of rotating disk, flow distribution pipe, sealing adaptor, O-ring seal composition.
4. gas valve comprehensive detection platform according to claim 1, it is characterized in that, the flow-distribution mechanism of gas valve comprehensive detection platform adopts double-layer seal, sealing adaptor adopts sucked type structure, the inner design increasing O-ring seal, Double-protection makes coordinating more tight between flow pipeline with tested valve body, drastically increases the security in the accuracy and testing process that gas valve detects; Non-docking one end of described downstream flow-distribution mechanism is designed with spring, for docking operation provides buffering, prevents docking operation from producing injury to tested valve body, and provides spring force for testing the playback terminating rear tested valve body.
5. gas valve comprehensive detection platform according to claim 1, it is characterized in that, for ensureing the versatility of gas valve comprehensive detection platform, guide rail is designed with between the dolly of travel mechanism and two transition pieces, thus two transition piece relative positions can be made adjustable, and then meet the demand of tested valve body of different model.
CN201410551243.4A 2014-10-17 2014-10-17 Comprehensive detection platform for gas valves Expired - Fee Related CN104266834B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111272415A (en) * 2020-03-30 2020-06-12 四川省犍为峨山阀门有限责任公司 Testing device for valve

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Publication number Priority date Publication date Assignee Title
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CN111272415B (en) * 2020-03-30 2021-11-16 四川省犍为峨山阀门有限责任公司 Testing device for valve

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