CN110455631B - Gas cylinder chuck for hydrostatic test - Google Patents
Gas cylinder chuck for hydrostatic test Download PDFInfo
- Publication number
- CN110455631B CN110455631B CN201910701209.3A CN201910701209A CN110455631B CN 110455631 B CN110455631 B CN 110455631B CN 201910701209 A CN201910701209 A CN 201910701209A CN 110455631 B CN110455631 B CN 110455631B
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- oil
- die body
- cavity
- gas cylinder
- main shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
The invention discloses a gas cylinder chuck for a hydrostatic test, and relates to the technical field of gas cylinder hydrostatic detection equipment; including the main part, the main shaft, the bottom is used for connecting the die body of bottleneck, the main shaft pass the main part and with main part sliding connection, the main shaft bottom is equipped with and is used for inserting the slot of establishing the die body, the slot lateral wall is inserted and is equipped with a plurality of push rods, the main part bottom is equipped with the direction slope that is used for with push rod direction die body direction at the push rod corresponding position, the outer fringe face of die body is equipped with the second direction slope with die body direction main shaft direction under the promotion of push rod, be equipped with the packing ring in the slot, the die body top is supported and is leaned on the packing ring, be equipped with the water route that is used for with water direction die body packing ring on the main shaft, be equipped with the second water route that is used for following the packing ring direction gas cylinder on the die body, be equipped with in the main part and be used for making main shaft and main part produce the drive arrangement of relative slip. The gas cylinder is fixedly connected without pressing down the gas cylinder, so that the gas cylinder can be in a free body state for carrying out a hydrostatic test.
Description
Technical Field
The invention belongs to the technical field of gas cylinder water pressure detection equipment, and particularly relates to a gas cylinder chuck for a water pressure test.
Background
At present, during a hydraulic pressure test of a gas cylinder, the gas cylinder is usually placed on a working platform, then a gasket is placed between a water gun and the gas cylinder, and then the water gun tightly presses the gas cylinder to pressurize; this type of seal has significant disadvantages: at the moment, the gas cylinder bears the pressure of the water gun besides the water pressure; namely, the bottle body can not be in a free body state, and the standard of the national standard gas cylinder hydrostatic test method GB/T9251-.
Disclosure of Invention
The invention aims to overcome the defect that a gas cylinder cannot be in a free body state in a sealing mode in the prior art, and provides a gas cylinder chuck for a hydrostatic test, which does not need to press down the gas cylinder, so that the gas cylinder can be subjected to the hydrostatic test in the free body state, and meets the standard of the national standard gas cylinder hydrostatic test method GB/T9251-2011 (GB/T9251-2011) standard.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a gas cylinder chuck for hydrostatic test, includes main part, main shaft, the bottom is used for connecting the die body of bottleneck, the main shaft passes the main part and with main part sliding connection, the main shaft bottom is equipped with the slot that is used for inserting the die body, a plurality of push rods are inserted to the slot lateral wall, the main part bottom is equipped with the direction slope that is used for leading the push rod to the die body direction at the push rod corresponding position, the outer fringe face of die body is equipped with the second direction slope that leads the die body to the main shaft direction under the promotion of push rod, be equipped with the packing ring in the slot, the die body top is supported and is leaned on the packing ring, be equipped with the water route that is used for leading water to the die body packing ring on the main shaft, be equipped with the drive arrangement who is used for making main shaft and main part produce relative slip on the main part. The bottom end of the die body is connected with the bottle opening of the gas bottle, the slot is inserted into the top end of the die body, then the driving device operates, the main shaft moves upwards, the die body moves towards the direction of the main body, then the push rod moves towards the direction of the die body under the action of the guide slope, the end part of the push rod is abutted against the second guide slope, the die body is ejected towards the direction of the gasket under the action of the second guide slope, finally the gasket is ejected tightly by the die body, and then the water pump pumps water into the water channel to pressurize the gas bottle.
Preferably, the driving device comprises an oil cavity, a piston which is located in the oil cavity and matched with the oil cavity, a first oil way communicated with the oil cavity, and a second oil way communicated with the oil cavity, wherein the oil cavity is located in the main body, the piston is connected with the oil cavity in a sliding mode, the piston is fixedly connected with the main shaft, and the first oil way and the second oil way are located on two opposite sides of the piston. The pressure difference of the oil cavity on the upper side and the lower side of the piston is changed, so that the up-and-down movement of the main shaft can be controlled.
Preferably, the main body comprises an upper oil cylinder body, a lower oil cylinder body fixedly connected below the upper oil cylinder body and a guide sleeve fixedly connected below the lower oil cylinder body, a groove is formed in one side, close to the upper oil cylinder body, of the lower oil cylinder body, a boss is arranged at the position, corresponding to the groove, of the upper oil cylinder body and embedded into the groove to form an oil cavity, a sealing ring is arranged on the outer edge of the boss, and the guide slope is located on the inner edge of the bottom end of the guide sleeve. The sealing ring has the sealing effect, and the main body is divided into three parts, so that the production is convenient.
Preferably, a sealing ring is arranged at the sliding connection position of the upper oil cylinder body and the main shaft, and a sealing ring is arranged at the sliding connection position of the lower oil cylinder body and the main shaft. The sealing effect is increased.
Preferably, the bottom end of the mold body is inserted into the bottle mouth to be in threaded fit with the bottle mouth. The threaded connection is convenient, and the sealing effect is good.
Preferably, one end of the push rod, which is far away from the guide slope, is provided with a push sheet, and one side of the push sheet, which is far away from the guide slope, is matched with the second guide slope. And the push sheet is added, so that the pressure on the second guide slope can be reduced, and the second guide slope is protected from being damaged.
Preferably, a second gas outlet for discharging gas in the gas cylinder is formed in the die body, a gas pipe is connected to the second gas outlet, one end, away from the die body, of the gas pipe is connected with a valve body, a cavity is formed in the valve body, a floating ball capable of floating up and down along the cavity is arranged in the cavity, the top end of the cavity is in a hemispherical shape, a gas outlet hole is formed in the top end of the cavity, a gas inlet hole is formed in the bottom end of the cavity and connected with the gas pipe, a branch pipeline is arranged in the valve body, one end of the branch pipeline is connected with the gas inlet hole, and the other end of the branch pipeline is connected with the cavity. Water is directly filled into the gas cylinder without pre-filling water and then pressurized.
The invention has the beneficial effects that: the invention provides a gas cylinder chuck for a hydrostatic test, which does not need to press a gas cylinder downwards, so that the gas cylinder can be subjected to the hydrostatic test in a free body state, and the gas cylinder chuck meets the standard of the national standard gas cylinder hydrostatic test method GB/T9251-. In addition, water is directly filled and then pressurized without being filled in advance, so that the efficiency is high.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the mold body after being connected with the gas cylinder;
FIG. 4 is a schematic view of a mold body inserted into a slot;
FIG. 5 is a schematic view of example 2;
FIG. 6 is a diagram of the gas movement pathway in the valve body;
FIG. 7 is a schematic view of water entering the valve body;
FIG. 8 is a schematic view of the float ball blocking the air outlet.
In the figure: the main body 1, the main shaft 2, the slot 3, the die body 4, the push rod 5, the guide slope 7, the second guide slope 8, the bottle opening 9, the gasket 10, the water path 11, the second water path 12, the gas cylinder 13, the oil chamber 14, the piston 15, the first oil path 16, the second oil path 17, the upper cylinder body 18, the lower cylinder body 19, the guide sleeve 20, the boss 21, the seal ring 22, the push piece 23, the gas pipe 24, the valve body 25, the cavity 26, the floating ball 27, the gas outlet 28, the branch line 30, the second gas outlet 31 and the gas inlet 32.
Detailed Description
The invention is explained in further detail below with reference to the drawings and the detailed description:
example 1:
fig. 1 to 4 show a gas cylinder chuck for a hydrostatic test, which includes a main body 1, a main shaft 2, and a mold body 4 having a bottom end for connecting a cylinder opening 9, wherein the bottom end of the mold body 4 is inserted into the cylinder opening 9 and is in threaded fit with the cylinder opening 9; the main shaft 2 penetrates through the main body 1 and is connected with the main body 1 in a sliding mode, the bottom end of the main shaft 2 is provided with an inserting groove 3 for inserting a die body 4, the side wall of the inserting groove 3 is inserted with a plurality of push rods 5, the bottom end of the main body 1 is provided with a guide slope 7 used for guiding the push rods 5 to the direction of the die body 4 at the position corresponding to the push rods 5, one end, far away from the guide slope 7, of each push rod 5 is provided with a push sheet 23, and one side, far away from the guide slope 7, of each push sheet 23 is matched with a second guide slope 8; the outer edge surface of the die body 4 is provided with a second guide slope 8 which guides the die body 4 to the direction of the main shaft 2 under the pushing of the push rod 5, a gasket 10 is arranged in the slot 3, the top end of the die body 4 is abutted against the gasket 10, the main shaft 2 is provided with a water path 11 which is used for guiding water to the gasket 10 of the die body 4, the die body 4 is provided with a second water path 12 which is used for guiding water from the gasket 10 to the inside of the gas cylinder 13, and the main body 1 is provided with a driving device which is used for enabling the main shaft 2 and the main body 1 to slide relatively; the driving device comprises an oil cavity 14, a piston 15 which is positioned in the oil cavity 14 and is matched with the oil cavity 14, a first oil way 16 communicated with the oil cavity 14, and a second oil way 17 communicated with the oil cavity 14, wherein the oil cavity 14 is positioned in the main body 1, the piston 15 is in sliding connection with the oil cavity 14, the piston 15 is fixedly connected with the main shaft 2, and the first oil way 16 and the second oil way 17 are positioned on two opposite sides of the piston 15; the main body 1 comprises an oil cylinder upper body 18, an oil cylinder lower body 19 fixedly connected below the oil cylinder upper body 18 and a guide sleeve 20 fixedly connected below the oil cylinder lower body 19, wherein a groove is formed in one side, close to the oil cylinder upper body 18, of the oil cylinder lower body 19, a boss 21 is arranged at the position, corresponding to the groove, of the oil cylinder upper body 18, the boss 21 is embedded into the groove to form an oil cavity 14, a sealing ring 22 is arranged on the outer edge of the boss 21, and the guide slope 7 is located on the inner edge of the bottom end of the guide sleeve 20; a sealing ring 22 is arranged at the sliding connection part of the oil cylinder upper body 18 and the main shaft 2, and a sealing ring 22 is arranged at the sliding connection part of the oil cylinder lower body 19 and the main shaft 2.
The application process of the embodiment is as follows:
filling water into the gas cylinder 13, then matching the opening of the gas cylinder with the bottom end of the die body 4 through threads, then inserting the top end of the die body 4 into the slot 3, assuming that the second oil path 17 is located below the piston 15, the first oil path 16 is located above the piston 15, at the moment, the oil pump pumps oil into the second oil path 17, the oil above the piston 15 flows out from the first oil path 16, at the moment, the spindle 2 moves upwards, the push rod 5 moves towards the die body 4 under the action of the guide slope 7, the push sheet 23 abuts against the second guide slope 8, under the action of the second guide slope 8, the die body 4 moves upwards to tightly press the gasket 10, at the moment, the water pump pumps water into the top end of the water path 11, and then the water passes through the gasket 10 and flows into the second water path 12 to pressurize the water in the gas cylinder 13, so as to perform a hydrostatic test.
Example 2:
fig. 5 to 8 show: this embodiment is substantially the same as embodiment 1 except that: the die body 4 is connected with an air pipe 24, one end of the air pipe 24, which is far away from the die body 4, is connected with a valve body 25, a cavity 26 is arranged in the valve body 25, a floating ball 27 capable of floating up and down along the cavity 26 is arranged in the cavity 26, the top end of the cavity 26 is in a hemispherical shape, an air outlet 28 is arranged at the top end of the cavity 26, an air inlet 32 connected with the air pipe 24 is arranged at the bottom end of the cavity 26, a branch pipeline 30 is arranged in the valve body 25, one end of the branch pipeline 30 is connected with the air inlet 32, and the other end of the branch pipeline 30 is connected with the cavity 26.
The application process of the embodiment is as follows:
this embodiment is used substantially in accordance with embodiment 1, except that: need not water in advance, after fixing gas cylinder 13, with the water pump direct toward gas cylinder 13 in with slower speed pressurized water, gas in gas cylinder 13 is pressed out, floater 27 is under the effect of gravity this moment, be located cavity 26 bottom, branch pipeline 30's both ends are located the upper and lower both sides of floater 27, gas is from second gas outlet 31 through trachea 24, inlet port 32, branch pipeline 30, cavity 26, finally discharge through venthole 28, after gas cylinder 13 water-logging has been full, slowly be full of water in the cavity 26, floater 27 floats on, final floater 27 pushes up on the venthole, branch pipeline 30 both ends all are located floater 27 below, the water pump pressurization this moment, gas cylinder 13 internal pressure increase, floater 27's existence water can not flow out, pressure can not reduce.
Claims (4)
1. A gas cylinder chuck for a hydrostatic test is characterized by comprising a main body, a main shaft and a die body, wherein the bottom end of the die body is used for connecting a bottle opening, the main shaft penetrates through the main body and is connected with the main body in a sliding manner, a slot for inserting the die body is formed in the bottom end of the main shaft, a plurality of push rods are inserted into the side wall of the slot, a guide slope for guiding the push rods to the direction of the die body is arranged at the bottom end of the main body at positions corresponding to the push rods, a second guide slope for guiding the die body to the direction of the main shaft under the pushing of the push rods is arranged on the outer edge surface of the die body, a gasket is arranged in the slot, the top end of the die body is abutted against the gasket, a water path for guiding water to the gasket of the die body is arranged on the main shaft, a second water path for guiding water from the gasket to the gas cylinder is arranged on the die body, a driving device for enabling the main shaft and the main body to slide relatively is arranged on the main body, and a second gas outlet for exhausting gas in the gas cylinder is arranged on the die body, the air pipe is connected to the second air outlet, one end, far away from the die body, of the air pipe is connected with a valve body, a cavity is arranged in the valve body, a floating ball capable of floating up and down along the cavity is arranged in the cavity, the top end of the cavity is hemispherical, an air outlet hole is formed in the top end of the cavity, an air inlet hole connected with the air pipe is formed in the bottom end of the cavity, a branch pipeline is arranged in the valve body, one end of the branch pipeline is connected with the air inlet hole, the other end of the branch pipeline is connected with the cavity, the driving device comprises an oil cavity, a piston located in the oil cavity and matched with the oil cavity, a first oil way communicated with the oil cavity and a second oil way communicated with the oil cavity, the oil cavity is located in the main body, the piston is fixedly connected with the main shaft, the first oil way and the second oil way are located on two opposite sides of the piston, and the main body comprises an upper oil cylinder body, a lower oil cylinder body fixedly connected below the upper oil body, The oil cylinder comprises an oil cylinder body, a guide sleeve fixedly connected below the oil cylinder body, wherein a groove is formed in one side, close to the oil cylinder upper body, of the oil cylinder body, a boss is arranged on the corresponding position of the groove of the oil cylinder upper body, the boss is embedded into the groove to form an oil cavity, a sealing ring is arranged on the outer edge of the boss, and the guide slope is located on the inner edge of the bottom end of the guide sleeve.
2. The gas cylinder chuck for hydrostatic test according to claim 1, wherein the sliding connection between the upper cylinder body and the spindle is provided with a sealing ring, and the sliding connection between the lower cylinder body and the spindle is provided with a sealing ring.
3. The gas cylinder chuck for the hydrostatic test according to claim 1, wherein the bottom end of the mold body is inserted into the cylinder opening to be in threaded engagement with the cylinder opening.
4. A gas cylinder chuck for hydrostatic test according to claim 1, 2 or 3, wherein a push piece is provided at one end of the push rod away from the guide slope, and one side of the push piece away from the guide slope is adapted to the second guide slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701209.3A CN110455631B (en) | 2019-07-31 | 2019-07-31 | Gas cylinder chuck for hydrostatic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701209.3A CN110455631B (en) | 2019-07-31 | 2019-07-31 | Gas cylinder chuck for hydrostatic test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110455631A CN110455631A (en) | 2019-11-15 |
| CN110455631B true CN110455631B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910701209.3A Active CN110455631B (en) | 2019-07-31 | 2019-07-31 | Gas cylinder chuck for hydrostatic test |
Country Status (1)
| Country | Link |
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| CN (1) | CN110455631B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398021B (en) * | 2020-01-21 | 2022-09-13 | 余姚市超成机械制造有限公司 | Full-automatic seamless gas cylinder water pressure check out test set |
| CN111780700B (en) * | 2020-06-30 | 2021-09-03 | 杭州鲁尔物联科技有限公司 | Real-time monitoring and early warning device for geological disasters |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334026Y (en) * | 1998-05-23 | 1999-08-18 | 胜利石油管理局临盘采油厂 | Universal liquefied petroleum gas steel cylinder pressure tester |
| CN102323156A (en) * | 2011-06-07 | 2012-01-18 | 浙江欧伦泰防火设备有限公司 | Free water pressure test equipment for gas cylinder of CO2 fire extinguisher |
| CN103926150A (en) * | 2014-05-06 | 2014-07-16 | 天津市长龙液化石油气设备制造厂 | Automatic testing machine of gas cylinder hydrostatic test |
| CN105619334A (en) * | 2014-11-04 | 2016-06-01 | 富泰华工业（深圳）有限公司 | Washer mounting jig |
| CN106092760A (en) * | 2016-08-18 | 2016-11-09 | 无锡昌华机电制造有限公司 | Gas cylinder by hydrostatic pressure test Special pressing head |
| CN205719804U (en) * | 2016-06-01 | 2016-11-23 | 天津市长龙宏业燃气设备有限公司 | Bottle is not sealed and water test unit by the liquefied petroleum gas steel cylinder of external force |
| CN205898576U (en) * | 2016-07-07 | 2017-01-18 | 杭州余杭獐山钢瓶有限公司 | Steel bottle hydrostatic test system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL126274A0 (en) * | 1998-09-17 | 1999-05-09 | Soda Club Holdings Nv | Safety device for liquid aerating apparatus |
-
2019
- 2019-07-31 CN CN201910701209.3A patent/CN110455631B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334026Y (en) * | 1998-05-23 | 1999-08-18 | 胜利石油管理局临盘采油厂 | Universal liquefied petroleum gas steel cylinder pressure tester |
| CN102323156A (en) * | 2011-06-07 | 2012-01-18 | 浙江欧伦泰防火设备有限公司 | Free water pressure test equipment for gas cylinder of CO2 fire extinguisher |
| CN103926150A (en) * | 2014-05-06 | 2014-07-16 | 天津市长龙液化石油气设备制造厂 | Automatic testing machine of gas cylinder hydrostatic test |
| CN105619334A (en) * | 2014-11-04 | 2016-06-01 | 富泰华工业（深圳）有限公司 | Washer mounting jig |
| CN205719804U (en) * | 2016-06-01 | 2016-11-23 | 天津市长龙宏业燃气设备有限公司 | Bottle is not sealed and water test unit by the liquefied petroleum gas steel cylinder of external force |
| CN205898576U (en) * | 2016-07-07 | 2017-01-18 | 杭州余杭獐山钢瓶有限公司 | Steel bottle hydrostatic test system |
| CN106092760A (en) * | 2016-08-18 | 2016-11-09 | 无锡昌华机电制造有限公司 | Gas cylinder by hydrostatic pressure test Special pressing head |
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| CN110455631A (en) | 2019-11-15 |
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