CN111272416A - Pressure detection equipment for two-position four-way valve - Google Patents
Pressure detection equipment for two-position four-way valve Download PDFInfo
- Publication number
- CN111272416A CN111272416A CN202010270546.4A CN202010270546A CN111272416A CN 111272416 A CN111272416 A CN 111272416A CN 202010270546 A CN202010270546 A CN 202010270546A CN 111272416 A CN111272416 A CN 111272416A
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- rotating shaft
- gear
- chute
- fixedly arranged
- block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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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
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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
- G01N3/08—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
Abstract
The invention discloses a two-position four-way valve pressure detection device, which comprises a device body, wherein the device body comprises a first chute, a detection mechanism is arranged in the first chute, a two-position four-way valve is arranged in the first chute in a sliding manner, a detection cavity is arranged in the upper end wall of the first chute, a sliding fixed rod is fixedly arranged at the upper side in the detection cavity, a horizontal sliding rod is arranged on the sliding fixed rod in a sliding manner, and a vertical sliding block is arranged on the horizontal sliding rod in a sliding manner. The integration degree is higher.
Description
Technical Field
The invention relates to the field of hydraulic valves, in particular to a two-position four-way valve pressure detection device.
Background
As is well known, a hydraulic valve is an automatic element operated by pressure oil, and can be used for remotely controlling the on-off of oil, gas and water pipeline systems of a hydropower station, and is often used for clamping, controlling, lubricating and other oil pipelines.
Disclosure of Invention
The invention aims to provide a two-position four-way valve pressure detection device which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
A two-position four-way valve pressure detection device comprises a machine body, wherein the machine body comprises a first sliding chute;
the first chute is internally provided with a detection mechanism, the first chute is internally provided with a two-position four-way valve in a sliding manner, the upper end wall of the first chute is internally provided with a detection cavity, the upper side in the detection cavity is fixedly provided with a sliding fixed rod, the sliding fixed rod is provided with a horizontal sliding rod in a sliding manner, the horizontal sliding rod is provided with a vertical sliding block in a sliding manner, the vertical sliding block is fixedly provided with a first connecting rod, the detection cavity is internally provided with a first rotating shaft in a rotating manner, the first rotating shaft is fixedly provided with a rotating plate, the rotating plate is internally provided with a pushing through hole, the first connecting rod can extend into the pushing through hole, the bottom end of the vertical sliding block is fixedly provided with a detection block, the lower side of the detection block is provided with a second chute with a downward opening, a sealing piston is arranged in the second chute in a sliding manner, the upper, a rack sliding block is fixedly arranged on the top end face of the sealing piston and positioned on the right side of the first elastic spring, a rack is fixedly arranged on the left end face of the rack sliding block, a second rotating shaft is rotatably arranged on the upper side of the alarm fixing block, and a first gear capable of being meshed with the rack is fixedly arranged on the second rotating shaft;
a third chute is arranged in the bottom end wall of the right end of the first chute, a conical sliding block is arranged in the third chute in a sliding manner, a fourth chute is arranged in the conical sliding block, a pushing sliding block is arranged in the fourth chute in a sliding manner, a first control block is fixedly arranged in the right end wall of the fourth chute, a second elastic spring is connected between the first control block and the pushing sliding block, a second control block is fixedly arranged in the bottom end wall of the third chute, a third elastic spring is connected between the second control block and the conical sliding block, electrodes are symmetrically and fixedly arranged at the upper and lower parts of the left end of the two-position four-way valve, a coil is arranged between the electrodes, a control piston is fixedly connected at the right end of the coil, a first execution pipeline is arranged at the upper end of the right side of the two-position four-way valve, a second execution pipeline is arranged, the oil outlet pipe right side is equipped with into oil pipe way, the fuselage downside is equipped with the oil storage chamber, contain hydraulic oil in the oil storage chamber, hydraulic oil upper end wall right side is equipped with the oil pump, the oil pump upper end with it is equipped with oil pipeline to advance between the oil pipe way, the oil pump bottom mounting is equipped with and stretches into the oil absorption pipeline in the oil storage chamber, oil storage chamber upper end wall left side with be equipped with back oil pipe way between the oil pipe way, the fixed total piece of control that is equipped with of fuselage upside, the total piece of control with first control piece electricity federation, the oil pump with second control piece electricity federation.
Further, the fuselage left side is equipped with the feeding chamber, be equipped with the third pivot in the feeding intracavity left end wall, the fixed feeding wheel that is equipped with in the third pivot, the feeding wheel is equipped with feeding belt with the outside power that connects of front side, the fixed blowing board that is equipped with on the feeding belt, first spout rear side is equipped with the transmission chamber, the rotation of transmission intracavity bilateral symmetry is equipped with the fourth pivot, the fixed promotion belt pulley that is equipped with in the fourth pivot, it is equipped with the promotion belt to rotate on the promotion belt pulley, it promotes the piece to fix being equipped with on the promotion belt, it can promote to promote the piece two-position cross valve slides right.
Further, a motor is arranged in the rear end wall of the transmission cavity, a fifth rotating shaft is arranged on the front section face of the motor in a rotating mode, a second gear is fixedly arranged on the rear side of the fifth rotating shaft, a sixth rotating shaft is arranged on the lower side of the fifth rotating shaft in a rotating mode, a third gear is fixedly arranged on the sixth rotating shaft, a control chain is arranged between the third gear and the second gear in a rotating mode, a seventh rotating shaft is arranged on the lower side of the sixth rotating shaft in a rotating mode, a power gear is fixedly arranged on the rear side of the seventh rotating shaft, a soft rack is fixedly arranged on the control chain and can be intermittently meshed with the power gear, a first bevel gear is fixedly arranged on the front side of the seventh rotating shaft, a second bevel gear is fixedly arranged on the lower side of the fourth rotating shaft and is meshed with the first bevel gear.
Further, fifth pivot left side with first pivot is the central symmetry and rotates and be equipped with equally the fifth pivot, the fixed symmetrical gear that is equipped with in the fifth pivot, the symmetrical gear front side the fixed sector gear that is equipped with in the fifth pivot, first pivot front end fixed be equipped with can with sector gear meshing's fourth gear, it is equipped with the symmetry chain to rotate between the symmetrical gear.
Furthermore, a disc is fixedly arranged on the upper side of the front end face of the detection block, a pointer is fixedly arranged on the second rotating shaft in the disc, an instrument panel is arranged in the disc, and the pointer is electrically connected with the control block.
The invention has the beneficial effects that: the device has a simple structure, is simple and convenient to operate, can perform pressure detection on the execution pipeline port of the two-position four-way valve, and sends the detection result to a computer and an instrument panel to display the detection result in two forms, can automatically detect the two execution pipeline ports without manual switching, can automatically perform discharging and feeding after detection is completed, and has high automation degree and high integration degree.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;
FIG. 5 is a schematic diagram of D-D of FIG. 4;
figure 6 is a schematic diagram of the structure of E-E in figure 2,
fig. 7 is a schematic view of the structure of F-F in fig. 6.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-7, the two-position four-way valve pressure detecting apparatus includes a body 10, the body 10 includes a first sliding groove 34, a detecting mechanism 90 is contained in the first sliding groove 34, a two-position four-way valve 33 is slidably disposed in the first sliding groove 34, a detecting cavity 82 is disposed in an upper end wall of the first sliding groove 34, a sliding fixing rod 40 is fixedly disposed at an upper side in the detecting cavity 82, a horizontal sliding rod 41 is slidably disposed on the sliding fixing rod 40, a vertical sliding block 44 is slidably disposed on the horizontal sliding rod 41, a first connecting rod 54 is fixedly disposed on the vertical sliding block 44, a first rotating shaft 42 is rotatably disposed in the detecting cavity 82, a rotating plate 55 is fixedly disposed on the first rotating shaft 42, a pushing through hole 43 is disposed in the rotating plate 55, the first connecting rod 54 can extend into the pushing through hole 43, a detecting block 83 is fixedly disposed at a bottom end of the vertical sliding block 44, a second chute 48 with a downward opening is arranged on the lower side of the detection block 83, a sealing piston 47 is arranged in the second chute 48 in a sliding manner, an alarm fixing block 45 is fixedly arranged on the upper side of the second chute 48, a first elastic spring 46 is connected between the alarm fixing block 45 and the sealing piston 47, a rack sliding block 51 is fixedly arranged on the top end surface of the sealing piston 47, which is positioned on the right side of the first elastic spring 46, a rack 50 is fixedly arranged on the left end surface of the rack sliding block 51, a second rotating shaft 52 is rotatably arranged on the upper side of the alarm fixing block 45, and a first gear 53 capable of being meshed with the rack 50 is fixedly arranged on the second rotating shaft 52;
a third sliding chute 21 is arranged in the bottom end wall of the right end of the first sliding chute 34, a tapered sliding block 26 is arranged in the third sliding chute 21 in a sliding manner, a fourth sliding chute 24 is arranged in the tapered sliding block 26, a pushing sliding block 25 is arranged in the fourth sliding chute 24 in a sliding manner, a first control block 23 is fixedly arranged in the right end wall of the fourth sliding chute 24, a second elastic spring 22 is connected between the first control block 23 and the pushing sliding block 25, a second control block 19 is fixedly arranged in the bottom end wall of the third sliding chute 21, a third elastic spring 20 is connected between the second control block 19 and the tapered sliding block 26, electrodes 31 are symmetrically and fixedly arranged at the left end of the two-position four-way valve 33 from top to bottom, a coil 30 is arranged between the electrodes 31, a control piston 29 is fixedly connected at the right end of the coil 30, a first execution pipeline 28 is arranged at the upper end of the right side of the two-position, two-position cross valve 33 right side lower extreme is equipped with out oil pipe way 11, it is equipped with into oil pipe way 18 to go out oil pipe way 11 right side, 10 downside of fuselage is equipped with oil storage chamber 13, contain hydraulic oil 14 in the oil storage chamber 13, 14 upper end walls right sides of hydraulic oil are equipped with oil pump 16, 16 upper ends of oil pump with it is equipped with oil pipeline 17 to advance between the oil pipe way 18, 16 bottom mounting of oil pump is equipped with and stretches into inhale oil pipe way 15 in the oil storage chamber 13, oil storage chamber 13 upper end walls left side with it is equipped with back oil pipe way 12 to go out between the oil pipe way 11, the fixed total piece 32 of control that is equipped with of fuselage 10 upside, total piece 32 of control with 23 electricity federation of first control block, oil pump 16 with 19 electricity federation of.
The left side of the machine body 10 is provided with a feeding cavity 35, a third rotating shaft 37 is arranged in the left end wall of the feeding cavity 35, a feeding wheel 38 is fixedly arranged on the third rotating shaft 37, a feeding belt 39 is arranged on the feeding wheel 38 and connected with the front side in an external mode, a discharging plate 36 is fixedly arranged on the feeding belt 39, a transmission cavity 58 is arranged on the rear side of the first sliding groove 34, a fourth rotating shaft 61 is arranged in the transmission cavity 58 in a bilateral symmetry rotating mode, a pushing belt wheel 60 is fixedly arranged on the fourth rotating shaft 61, a pushing belt 59 is arranged on the pushing belt wheel 60 in a rotating mode, a pushing block 56 is fixedly arranged on the pushing belt 59, and the pushing block 56 can push the two-position four-way valve 33 to slide rightwards.
A motor 73 is arranged in the rear end wall of the transmission cavity 58, a fifth rotating shaft 72 is rotatably arranged on the front section surface of the motor 73, a second gear 71 is fixedly arranged at the rear side of the fifth rotating shaft 72, a sixth rotating shaft 69 is rotatably arranged at the lower side of the fifth rotating shaft 72, a third gear 68 is fixedly arranged on the sixth rotating shaft 69, a control chain 70 is rotatably arranged between the third gear 68 and the second gear 71, a seventh rotating shaft 64 is rotatably arranged at the lower side of the sixth rotating shaft 69, a power gear 66 is fixedly arranged at the rear side of the seventh rotating shaft 64, a soft rack 67 is fixedly arranged on the control chain 70, the soft rack 67 can be intermittently meshed with the power gear 66, a first bevel gear 65 is fixedly arranged on the front side of the seventh rotating shaft 64, a second bevel gear 62 is fixedly arranged on the lower side of the fourth rotating shaft 61, and the second bevel gear 62 is meshed with the first bevel gear 65.
A disc 81 is fixedly arranged on the upper side of the front end face of the detection block 83, a pointer 78 is fixedly arranged on the second rotating shaft 52 in the disc 81, an instrument panel 80 is arranged in the disc 81, and the pointer 78 is electrically connected with the control total block 32.
The working state is as follows: the feeding belt 39 drives the feeding plate 36 to move, the feeding plate 36 moves to transport the two-position four-way valve 33 to the left side of the first chute 34, the motor 73 is turned on to drive the fifth rotating shaft 72 to rotate, the fifth rotating shaft 72 rotates to drive the second gear 71 to rotate, the second gear 71 rotates to drive the third gear 68 to rotate through the control chain 70, the third gear 68 rotates to drive the power gear 66 to rotate, the power gear 66 rotates to drive the seventh rotating shaft 64 to rotate, the seventh rotating shaft 64 rotates to drive the first bevel gear 65 to rotate, the first bevel gear 65 rotates to drive the second bevel gear 62 to rotate, the second bevel gear 62 rotates to drive the pushing belt 59 to rotate through the pushing belt 60, the pushing belt 59 rotates to slide the two-position four-way valve 33 to the right through the pushing block 56, the two-position four-way valve 33 slides rightwards to enter the first sliding chute 34, the two-position four-way valve 33 moves rightwards to drive and extrude the pushing sliding block 25 to move rightwards, the pushing sliding block 25 moves rightwards to extrude the first control block 23, the first control block 23 is extruded to start the oil pump 16, meanwhile, the fifth rotating shaft 72 rotates to drive the sector gear 75 to rotate, the sector gear 75 rotates to drive the fourth gear 76 to rotate, the fourth gear 76 rotates to drive the first rotating shaft 42 to rotate, the first rotating shaft 42 rotates to drive the vertical sliding block 44 to move to the upper side of the first execution pipeline 28 through the matching of the rotating plate 55 and the first connecting rod 54, the vertical sliding block 44 slides downwards to abut the detection block 83 with the first execution pipeline 28, the oil pump 16 is started to transport the hydraulic oil 14 in the oil storage cavity 13 to the oil inlet pipeline 18, the hydraulic oil 14 entering the oil inlet pipe 18 enters the second sliding groove 48 through the first execution pipe 28, the second sliding groove 48 receives the extrusion of the hydraulic oil 14 to make the sealing piston 47 slide upwards, the sealing piston 47 slides upwards to drive the rack sliding block 51 to move upwards, the rack sliding block 51 moves upwards to make the first gear 53 rotate through the rack 50, the first gear 53 rotates to drive the pointer 78 to rotate through the second rotating shaft 52, and the pointer 78 rotates to display a pressure value through the number on the instrument panel 80 and sends the value to the control block 32; the fifth rotating shaft 72 continuously rotates, the sector gear 75 is driven by the fifth rotating shaft 72 positioned at the rear side to rotate through the symmetrical chain 77, at this time, the fourth gear 76 rotates reversely, the detection block 83 moves to the second execution pipeline 27 to abut against the second execution pipeline 27, the control total block 32 controls the electrode 31 to be opened, the electrode 31 is opened, the control piston 29 moves through the coil 30 firstly, and the hydraulic oil 14 in the first execution pipeline 28 is moved by the control piston 29 to be discharged into the oil storage cavity 13 again through the oil outlet pipeline 11. Then the hydraulic oil 14 entering the oil inlet pipe 18 enters the second execution pipe 27, at this time, the pointer 78 again detects pressure to the second execution pipe 27, the soft rack 67 rotates to drive the power gear 66 to rotate, the power gear 66 rotates to continue moving the push belt 59, the push belt 59 moves the two-position four-way valve 33 rightwards through the push block 56, the two-position four-way valve 33 moves rightwards to press the conical slide block 26, the conical slide block 26 is pressed to slide downwards, the conical slide block 26 moves downwards to open the second control block 19, the second control block 19 is opened to rotate the feed belt 39 to transport a new two-position four-way valve 33 through the discharge plate 36 to enter the device, and at this time, the second control block 19 closes the oil pump 16.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a two-position four-way valve pressure check out test set, includes the fuselage, its characterized in that: the machine body comprises a first sliding groove; the first chute is internally provided with a detection mechanism, the first chute is internally provided with a two-position four-way valve in a sliding manner, the upper end wall of the first chute is internally provided with a detection cavity, the upper side in the detection cavity is fixedly provided with a sliding fixed rod, the sliding fixed rod is provided with a horizontal sliding rod in a sliding manner, the horizontal sliding rod is provided with a vertical sliding block in a sliding manner, the vertical sliding block is fixedly provided with a first connecting rod, the detection cavity is internally provided with a first rotating shaft in a rotating manner, the first rotating shaft is fixedly provided with a rotating plate, the rotating plate is internally provided with a pushing through hole, the first connecting rod can extend into the pushing through hole, the bottom end of the vertical sliding block is fixedly provided with a detection block, the lower side of the detection block is provided with a second chute with a downward opening, a sealing piston is arranged in the second chute in a sliding manner, the upper, a rack sliding block is fixedly arranged on the top end face of the sealing piston and positioned on the right side of the first elastic spring, a rack is fixedly arranged on the left end face of the rack sliding block, a second rotating shaft is rotatably arranged on the upper side of the alarm fixing block, and a first gear capable of being meshed with the rack is fixedly arranged on the second rotating shaft; a third chute is arranged in the bottom end wall of the right end of the first chute, a conical sliding block is arranged in the third chute in a sliding manner, a fourth chute is arranged in the conical sliding block, a pushing sliding block is arranged in the fourth chute in a sliding manner, a first control block is fixedly arranged in the right end wall of the fourth chute, a second elastic spring is connected between the first control block and the pushing sliding block, a second control block is fixedly arranged in the bottom end wall of the third chute, a third elastic spring is connected between the second control block and the conical sliding block, electrodes are symmetrically and fixedly arranged at the upper and lower parts of the left end of the two-position four-way valve, a coil is arranged between the electrodes, a control piston is fixedly connected at the right end of the coil, a first execution pipeline is arranged at the upper end of the right side of the two-position four-way valve, a second execution pipeline is arranged, the oil outlet pipe right side is equipped with into oil pipe way, the fuselage downside is equipped with the oil storage chamber, contain hydraulic oil in the oil storage chamber, hydraulic oil upper end wall right side is equipped with the oil pump, the oil pump upper end with it is equipped with oil pipeline to advance between the oil pipe way, the oil pump bottom mounting is equipped with and stretches into the oil absorption pipeline in the oil storage chamber, oil storage chamber upper end wall left side with be equipped with back oil pipe way between the oil pipe way, the fixed total piece of control that is equipped with of fuselage upside, the total piece of control with first control piece electricity federation, the oil pump with second control piece electricity federation.
2. The two-position, four-way valve pressure sensing apparatus of claim 1, wherein: the fuselage left side is equipped with the feeding chamber, be equipped with the third pivot in the wall of feeding intracavity left end, the fixed feeding wheel that is equipped with in the third pivot, the feeding wheel is equipped with the feeding belt with the outside power that connects of front side, the fixed blowing board that is equipped with on the feeding belt, first spout rear side is equipped with the transmission chamber, the rotation of transmission intracavity bilateral symmetry is equipped with the fourth pivot, the fixed promotion belt pulley that is equipped with in the fourth pivot, it is equipped with the promotion belt to rotate on the promotion belt pulley, it promotes the piece to fix on the promotion belt, it can promote to promote the piece the two-position cross valve slides right.
3. The two-position, four-way valve pressure sensing apparatus of claim 1, wherein: the wall of the rear end of the transmission cavity is internally provided with a motor, a front section face of the motor is rotatably provided with a fifth rotating shaft, a second gear is fixedly arranged on the rear side of the fifth rotating shaft, a sixth rotating shaft is rotatably arranged on the lower side of the fifth rotating shaft, a third gear is fixedly arranged on the sixth rotating shaft, a control chain is rotatably arranged between the third gear and the second gear, a seventh rotating shaft is rotatably arranged on the lower side of the sixth rotating shaft, a power gear is fixedly arranged on the rear side of the seventh rotating shaft, a soft rack is fixedly arranged on the control chain, the soft rack can be intermittently meshed with the power gear, a first bevel gear is fixedly arranged on the front side of the seventh rotating shaft, a second bevel gear is fixedly arranged on the lower side of the fourth rotating shaft, and the second bevel gear is meshed with the first bevel gear.
4. The two-position, four-way valve pressure sensing apparatus of claim 1, wherein: fifth pivot left side with first pivot is that centrosymmetric rotation is equipped with equally the fifth pivot, the fixed symmetrical gear that is equipped with in the fifth pivot, the symmetrical gear front side the fixed sector gear that is equipped with in the fifth pivot, first pivot front end fixed be equipped with can with sector gear meshing's fourth gear, it is equipped with the symmetry chain to rotate between the symmetrical gear.
5. The two-position, four-way valve pressure sensing apparatus of claim 1, wherein: the upper side of the front end face of the detection block is fixedly provided with a disc, a pointer is fixedly arranged on the second rotating shaft in the disc, an instrument panel is arranged in the disc, and the pointer is electrically connected with the control block.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270546.4A CN111272416B (en) | 2020-04-08 | 2020-04-08 | Pressure detection equipment for two-position four-way valve |
| GBGB2010034.3A GB202010034D0 (en) | 2020-04-08 | 2020-07-01 | A two-position four-way valve pressure dectection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270546.4A CN111272416B (en) | 2020-04-08 | 2020-04-08 | Pressure detection equipment for two-position four-way valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111272416A true CN111272416A (en) | 2020-06-12 |
| CN111272416B CN111272416B (en) | 2020-10-02 |
Family
ID=70999516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010270546.4A Active CN111272416B (en) | 2020-04-08 | 2020-04-08 | Pressure detection equipment for two-position four-way valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111272416B (en) |
| GB (1) | GB202010034D0 (en) |
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| 谢伟锋 等: "《换流变压器阀侧套管充气及压力检测装置的研制》", 《宁夏电力》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202010034D0 (en) | 2020-08-12 |
| CN111272416B (en) | 2020-10-02 |
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