CN108443554A - A kind of valve operation manipulator - Google Patents
A kind of valve operation manipulator Download PDFInfo
- Publication number
- CN108443554A CN108443554A CN201810258721.0A CN201810258721A CN108443554A CN 108443554 A CN108443554 A CN 108443554A CN 201810258721 A CN201810258721 A CN 201810258721A CN 108443554 A CN108443554 A CN 108443554A
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- China
- Prior art keywords
- valve
- power supply
- tail portion
- hand
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000009467 reduction Effects 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005034 decoration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The present invention proposes a kind of valve operation manipulator, front end is driven including valve, transmission mechanism, motor, planet wheel decelerator, harmonic speed reducer, hand-held pole, power supply controls tail portion, battery and valve adapter, the both ends of the hand-held pole are respectively equipped with valve driving front end and power supply control tail portion, the valve driving is equipped with motor on front end, the motor passes through planet wheel decelerator, harmonic speed reducer is connected with transmission mechanism, the transmission mechanism control valve adapter rotation, one end of power supply control tail portion is connected with hand-held pole, the other end of power supply control tail portion is equipped with battery, motor, planet wheel decelerator, harmonic speed reducer is used in conjunction, it can realize 1400:1 reduction ratio so that it realizes that the effect of low rotation speed large torque can reduce manually-operated gate and operate physical demands with the motor of the small torque of high rotating speed, improves valve operation speed, it is simple in structure, it is easy to operation.
Description
【Technical field】
The present invention relates to the field of valve mechanical equipment, especially a kind of valve operation manipulator.
【Background technology】
Existing manipulator torsion is low, closes not in place.When needing with gas, it is not known that wherefrom open manually.
The driving device for manually-operated gate of commercial type has the Easi Drive of Britain's Smith's fluid control Co., Ltd just
Formula valve driver is taken, this product needs to be fixed on valve body by mechanical mechanism, and installation is complicated, of high cost, Bu Nengcao
Make polymorphic type valve.In addition there are the valve opening machines of WACHS companies production, and bulky is inefficient, expensive.Market is existing
There is product all not meet operations staff's requirement simple to valve operation, pervasive, portable, it is proposed that a kind of valve operation machine
Tool hand.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of valve operation manipulator, can reduce
Manually-operated gate operates physical demands, improves valve operation speed, simple in structure, easy to operation.
To achieve the above object, the present invention proposes a kind of valve operation manipulator, including valve driving front end, driver
Structure, motor, planet wheel decelerator, harmonic speed reducer, hand-held pole, power supply control tail portion, battery and valve adapter, the holding
The both ends of bar are respectively equipped with valve driving front end and power supply control tail portion, and the valve driving is equipped with motor on front end, described
Motor is connected by planet wheel decelerator, harmonic speed reducer with transmission mechanism, the transmission mechanism control valve adapter rotation,
One end of power supply control tail portion is connected with hand-held pole, and the other end of power supply control tail portion is equipped with battery.
Preferably, the transmission mechanism includes driven wheel, driving wheel, synchronous belt and driving wheel connector, it is described humorous
Wave retarder drives driving wheel rotation, the driving wheel to be matched with driven wheel by synchronous belt by driving wheel connector,
The driven wheel is mounted on valve by the thin-walled deep groove ball bearing of both sides and drives in front end.
Preferably, the top of valve driving front end is equipped with outsides cover of electric machinery, the motor is mounted in outsides cover of electric machinery,
The drive shaft of the motor is matched with planet wheel decelerator, and the planet wheel decelerator is equipped with planetary reduction gear key, described
The end of planet wheel decelerator is connected with planetary reduction gear end cap, output shaft and the harmonic speed reducer phase of the planet wheel decelerator
Cooperation, the harmonic speed reducer are connected by driving wheel connector with driving wheel.
Preferably, charge drill switch, forward and reverse briquetting and copper sheet plate are additionally provided in power supply control tail portion, it is described to fill
Drill switch is electrical connected by copper sheet plate with battery, and the side of power supply control tail portion is equipped with forward and reverse briquetting, it is described just
Reversed briquetting is for controlling the forward and reverse rotation of motor.
Preferably, the top of the valve adapter is equipped with interconnecting piece, the interconnecting piece is removable by adapter resistor
The lower section of the driven wheel mounted on transmission mechanism unloaded offers hollow reservoir, the interconnecting piece at the center of the interconnecting piece
Lower section is connected with driving disk by several supporting ribs, and the lower section of the driving disk is uniformly equipped with several positioning cards
Nail.
Preferably, the both ends of the hand-held pole are connected with shell hood component, the shell hood component respectively with valve
Door driving front end, power supply control tail portion are connected, and hood decoration is equipped on the shell hood component.
Preferably, being additionally provided with Caudal connectors, battery mounting blocks, the battery-disassembled in power supply control tail portion
Be mounted on battery mounting blocks, power supply control tail portion is connected by Caudal connectors with hand-held pole.
Preferably, being equipped with front-end case in valve driving front end, connecting plate, outer ring and roll assembly arrived piece, holding
The end of the main support element of bar and roller bearing, valve driving front end is equipped with front-end case, is equipped in the front-end case
Connecting plate, the valve driving are equipped with the main support element of hand-held pole in front end, and the end of the hand-held pole is plugged on the main branch of hand-held pole
In support member, the outer ring and roll assembly arrived piece is matched with roller bearing, and the roller bearing is symmetric.
Beneficial effects of the present invention：The present invention drives front end by proposing a kind of valve operation manipulator, by valve, passes
Motivation structure, motor, planet wheel decelerator, harmonic speed reducer, hand-held pole, power supply control tail portion, battery and valve adapter etc.
Cooperation, can shorten operations staff's valve operation time, save a large amount of physical demands, specifically include following advantages：
1, it is driven using synchronizing wheel, driving torque bigger is made using S8M tooth forms；
2, harmonic speed reducer has the function of locking, when may be implemented not open, is used as F spanners；
3, motor, planet wheel decelerator, harmonic speed reducer are used in conjunction, and can realize 1400:1 reduction ratio so that with height
The motor of the small torque of rotating speed realizes the effect of low rotation speed large torque；
4, battery can jump electricity automatically when stall, and torque reaches a fixed point, and harmonic wave can skid, dual danger when evading stall
Danger；
5, using pluggable battery, valve can be operated at non-transformer；
6, using push type speed governing, and forward and reverse movement can be realized；
7, it using demountable adapter, can be replaced according to actual demand, can adapt to the umbrella wheel of plurality of specifications
And parallel handwheel；
8, hollow form is used in adapter, can evade the interference with valve central stud and protrusion, suitability is more
It is high；
9, the plastic module of shell hood component can install shoulder belt, in hazardous area in use, tool can be avoided whole
Body is dangerous caused by falling.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram of valve operation manipulator of the present invention；
Fig. 2 is a kind of schematic top plan view of valve operation manipulator of the present invention.
【Specific implementation mode】
Refering to fig. 1 to a kind of valve operation manipulator of Fig. 2 present invention, including valve driving front end 1, transmission mechanism 2, motor
3, planet wheel decelerator 4, harmonic speed reducer 5, hand-held pole 6, power supply control tail portion 7, battery 8 and valve adapter 9, the holding
The both ends of bar 6 are respectively equipped with valve driving front end 1 and power supply control tail portion 7, and the valve driving is equipped with motor 3 on front end 1,
The motor 3 is connected by planet wheel decelerator 4, harmonic speed reducer 5 with transmission mechanism 2, and 2 control valve of the transmission mechanism is suitable
Orchestration 9 rotates, and one end of power supply control tail portion 7 is connected with hand-held pole 6, the other end installation of power supply control tail portion 7
There is battery 8.The transmission mechanism 2 includes driven wheel 21, driving wheel 22, synchronous belt 23 and driving wheel connector 24, described humorous
Wave retarder 5 by driving wheel connector 24 drive driving wheel 22 rotate, the driving wheel 22 by synchronous belt 23 with it is driven
Wheel 21 matches, and the driven wheel 21 is mounted on valve by the thin-walled deep groove ball bearing 211 of both sides and drives in front end 1.It is described
Valve drives the top of front end 1 to be equipped with outsides cover of electric machinery 31, and the motor 3 is mounted in outsides cover of electric machinery 31, the driving of the motor 3
Axis is matched with planet wheel decelerator 4, and the planet wheel decelerator 4 is equipped with planetary reduction gear key 41, and the planetary gear slows down
The end of device 4 is connected with planetary reduction gear end cap 42, and the output shaft of the planet wheel decelerator 4 is matched with harmonic speed reducer 5,
The harmonic speed reducer 5 is connected by driving wheel connector 24 with driving wheel 22.The power supply control is additionally provided with charging in tail portion 7
Switch 82, forward and reverse briquetting 81 and copper sheet plate 83, the charge drill switch 82 is bored to be electrical connected by copper sheet plate 83 and battery 8,
The side of power supply control tail portion 7 is equipped with forward and reverse briquetting 81, and forward and reverse briquetting 81 is for controlling 3 forward and reverse turns of motor
It is dynamic.The top of the valve adapter 9 is equipped with interconnecting piece, and the interconnecting piece is detachably arranged in biography by adapter resistor 91
The lower section of the driven wheel 21 of motivation structure 2 offers hollow reservoir at the center of the interconnecting piece, if below the interconnecting piece by
A dry supporting rib is connected with driving disk, and the lower section of the driving disk is uniformly equipped with several positioning bails.The hand
The both ends of holding rod 6 are connected with shell hood component 61, and the shell hood component 61 drives front end 1, power supply control with valve respectively
Tail portion 7 processed is connected, and hood decoration 62 is equipped on the shell hood component 61.The power supply control is additionally provided in tail portion 7
Caudal connectors 71, battery mounting blocks 72, the battery 8 are detachably arranged on battery mounting blocks 72, the power supply control
Tail portion 7 is connected by Caudal connectors 71 with hand-held pole 6.The valve driving is equipped with front-end case 11, connecting plate in front end 1
12, the main support element 14 of outer ring and roll assembly arrived piece 13, hand-held pole and roller bearing 15, the end peace of valve driving front end 1
Equipped with front-end case 11, connecting plate 12 is equipped in the front-end case 11, the valve driving is equipped with the main branch of hand-held pole in front end 1
Support member 14, the end of the hand-held pole 6 are plugged in the main support element of hand-held pole 14, the outer ring and roll assembly arrived piece 13 and idler wheel
Bearing 15 matches, and the roller bearing 15 is symmetric.
The course of work of the present invention：
A kind of valve operation manipulator of the present invention has two kinds of behaviour of electric model and manual mode during use
Make：Electric model：Motor 3 is rotated by 2 control valve adapter 9 of transmission mechanism, using push type speed governing, according to press degree
Rotating speed is controlled, is changed direction of rotation by the control of forward and reverse briquetting 81, drives valve opening or closing；Manual mode：Harmonic wave subtracts
Fast utensil has the function of locking, when may be implemented not open, is used as F spanners, adapter 9 and valve to be operated are mutually fitted
After matching, rotation hand-held pole 6 can be driven valve opening or closing；
It is driven using synchronizing wheel, S8M tooth forms make driving torque bigger；Motor, planet wheel decelerator, harmonic speed reducer
It is used in conjunction, can realize 1400:1 reduction ratio so that the effect of low rotation speed large torque is realized with the motor of the small torque of high rotating speed；It is stifled
Battery can jump electricity automatically when turning, and torque reaches a fixed point, and harmonic wave can skid, dual danger when evading stall；Using pluggable
Battery, valve can be operated at non-transformer；Using push type speed governing, and it can realize forward and reverse movement；Using can be with
The adapter of dismounting can be replaced according to actual demand, can adapt to the umbrella wheel of plurality of specifications and parallel handwheel；In adapter
Using hollow form, the interference with valve central stud and protrusion, suitability higher can be evaded；The modeling of shell hood component
Material module can install shoulder belt, in hazardous area in use, dangerous caused by tool capable of being avoided integrally to fall.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of valve operation manipulator, it is characterised in that：Including valve driving front end (1), transmission mechanism (2), motor (3),
Planet wheel decelerator (4), harmonic speed reducer (5), hand-held pole (6), power supply control tail portion (7), battery (8) and valve adapter
(9), the both ends of the hand-held pole (6) are respectively equipped with valve driving front end (1) and power supply control tail portion (7), the valve driving
Motor (3) is installed, the motor (3) passes through planet wheel decelerator (4), harmonic speed reducer (5) and transmission mechanism on front end (1)
(2) it is connected, transmission mechanism (2) control valve adapter (9) rotation, the power supply controls one end and the holding of tail portion (7)
Bar (6) is connected, and the other end of power supply control tail portion (7) is equipped with battery (8).
2. a kind of valve operation manipulator as described in claim 1, it is characterised in that：The transmission mechanism (2) includes driven
Wheel (21), driving wheel (22), synchronous belt (23) and driving wheel connector (24), the harmonic speed reducer (5) pass through driving wheel
Connector (24) drives driving wheel (22) to rotate, and the driving wheel (22) is matched by synchronous belt (23) and driven wheel (21)
It closes, the driven wheel (21) is mounted on by the thin-walled deep groove ball bearing (211) of both sides in valve driving front end (1).
3. a kind of valve operation manipulator as described in claim 1, it is characterised in that：The valve drives the upper of front end (1)
Side is equipped with outsides cover of electric machinery (31), and the motor (3) is mounted in outsides cover of electric machinery (31), the drive shaft and planet of the motor (3)
Wheel decelerator (4) matches, and the planet wheel decelerator (4) is equipped with planetary reduction gear key (41), the planet wheel decelerator
(4) end is connected with planetary reduction gear end cap (42), output shaft and the harmonic speed reducer (5) of the planet wheel decelerator (4)
It matches, the harmonic speed reducer (5) is connected by driving wheel connector (24) with driving wheel (22).
4. a kind of valve operation manipulator as described in claim 1, it is characterised in that：In power supply control tail portion (7) also
Equipped with charge drill switch (82), forward and reverse briquetting (81) and copper sheet plate (83), the charge drill switch (82) passes through copper sheet plate
(83) it is electrical connected with battery (8), the side of power supply control tail portion (7) is equipped with forward and reverse briquetting (81), described forward and reverse
Briquetting (81) is for controlling motor (3) forward and reverse rotation.
5. a kind of valve operation manipulator as described in claim 1, it is characterised in that：The top of the valve adapter (9)
Equipped with interconnecting piece, the interconnecting piece is detachably arranged in the driven wheel (21) of transmission mechanism (2) by adapter resistor (91)
Lower section, hollow reservoir is offered at the center of the interconnecting piece, is connected by several supporting ribs below the interconnecting piece
There are driving disk, the lower section of the driving disk that several positioning bails are uniformly installed.
6. a kind of valve operation manipulator as described in claim 1, it is characterised in that：The both ends of the hand-held pole (6) connect
There are shell hood component (61), the shell hood component (61) to control tail portion (7) with valve driving front end (1), power supply respectively
It is connected, hood decoration (62) is installed on the shell hood component (61).
7. a kind of valve operation manipulator as described in claim 1, it is characterised in that：In power supply control tail portion (7) also
Equipped with Caudal connectors (71), battery mounting blocks (72), the battery (8) is detachably arranged on battery mounting blocks (72),
Power supply control tail portion (7) is connected by Caudal connectors (71) with hand-held pole (6).
8. a kind of valve operation manipulator as described in claim 1, it is characterised in that：It is set in valve driving front end (1)
There are front-end case (11), connecting plate (12), outer ring and roll assembly arrived piece (13), the main support element of hand-held pole (14) and roller bearing
(15), the end of valve driving front end (1) is equipped with front-end case (11), and connecting plate is equipped in the front-end case (11)
(12), it is equipped with the main support element of hand-held pole (14) in valve driving front end (1), the end of the hand-held pole (6) is plugged on hand
In the main support element of holding rod (14), the outer ring and roll assembly arrived piece (13) matches with roller bearing (15), the roller bearing
(15) it is symmetric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258721.0A CN108443554A (en) | 2018-03-27 | 2018-03-27 | A kind of valve operation manipulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258721.0A CN108443554A (en) | 2018-03-27 | 2018-03-27 | A kind of valve operation manipulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443554A true CN108443554A (en) | 2018-08-24 |
Family
ID=63196813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810258721.0A Pending CN108443554A (en) | 2018-03-27 | 2018-03-27 | A kind of valve operation manipulator |
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| Country | Link |
|---|---|
| CN (1) | CN108443554A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578663A (en) * | 2019-01-28 | 2019-04-05 | 深圳中科捷飞科技有限公司 | The operating device of intensive installation valve |
| CN109630738A (en) * | 2018-12-04 | 2019-04-16 | 北京精密机电控制设备研究所 | A kind of highly integrated electric operator for shut-off valve manipulation |
| CN111872969A (en) * | 2020-08-05 | 2020-11-03 | 温州市渡绪春电子科技有限公司 | Mechanical arm device capable of automatically closing valve of fire-catching gas tank and cooling |
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| CN107559479A (en) * | 2016-06-30 | 2018-01-09 | 中核核电运行管理有限公司 | Valve operation manipulator |
| CN106300795A (en) * | 2016-11-04 | 2017-01-04 | 南京信息工程大学 | A kind of big retarding is than harmonic reduction all-in-one |
| CN107278075A (en) * | 2017-08-01 | 2017-10-20 | 浙江佳乐科仪股份有限公司 | A kind of Internet of Things DTU boxes |
| CN208123573U (en) * | 2018-03-27 | 2018-11-20 | 浙江佳乐科仪股份有限公司 | A kind of valve operation manipulator |
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| CN109630738A (en) * | 2018-12-04 | 2019-04-16 | 北京精密机电控制设备研究所 | A kind of highly integrated electric operator for shut-off valve manipulation |
| CN109578663A (en) * | 2019-01-28 | 2019-04-05 | 深圳中科捷飞科技有限公司 | The operating device of intensive installation valve |
| CN109578663B (en) * | 2019-01-28 | 2024-03-26 | 深圳中科捷飞科技有限公司 | Operating device for densely mounting valves |
| CN111872969A (en) * | 2020-08-05 | 2020-11-03 | 温州市渡绪春电子科技有限公司 | Mechanical arm device capable of automatically closing valve of fire-catching gas tank and cooling |
| CN111872969B (en) * | 2020-08-05 | 2021-04-13 | 诸暨市源浦机械科技有限公司 | Mechanical arm device capable of automatically closing valve of fire-catching gas tank and cooling |
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