CN216343182U - Efficient and energy-saving screw air compressor - Google Patents
Efficient and energy-saving screw air compressor Download PDFInfo
- Publication number
- CN216343182U CN216343182U CN202121689188.7U CN202121689188U CN216343182U CN 216343182 U CN216343182 U CN 216343182U CN 202121689188 U CN202121689188 U CN 202121689188U CN 216343182 U CN216343182 U CN 216343182U
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 claims abstract description 9
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 239000013589 supplement Substances 0.000 claims description 10
- 244000309464 bull Species 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 176
- 239000010720 hydraulic oil Substances 0.000 abstract description 33
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 241000282472 Canis lupus familiaris Species 0.000 description 19
- 239000012530 fluid Substances 0.000 description 10
- 230000006978 adaptation Effects 0.000 description 8
- 239000002828 fuel tank Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
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Abstract
The utility model provides an efficient and energy-saving screw air compressor, and relates to the technical field of screw air compressors. This energy-efficient screw air compressor, including oil feed mechanism, the inside of oil feed mechanism is provided with the drive bullet pole, the lower extreme of drive bullet pole is provided with the kickboard, the last fixed surface of kickboard is connected with the slide bar, the side of slide bar is provided with spacing trip, the sliding surface of slide bar is connected with the slide, and this energy-efficient screw air compressor uses through the cooperation of drive bullet pole with the kickboard, can drive the slide bar and remove, and spacing trip uses with the cooperation of the spacing post in slide surface, can postpone the removal of slide, and the slide uses with the cooperation of dog one, can control the passageway between fuel feeding tank and the fuel replenishing tank, realizes giving the automation of fuel feeding tank, and the normal cycle operation of the inside hydraulic oil system of guarantee screw air compressor is favorable to improving air compression's efficiency.
Description
Technical Field
The utility model relates to the technical field of screw air compressors, in particular to a high-efficiency and energy-saving screw air compressor.
Background
Screw air compressor utilizes the rotation of screw rod to promote low pressure air for highly-compressed air's mechanical equipment, screw air compressor when operation, need provide hydraulic power for the screw rod through the screw rod oil pump, the screw rod is when operation certain time, the temperature of its inside hydraulic pressure fluid can rise, when hydraulic oil liquid temperature is too high, can influence screw rod moving stability, reduce air compression's efficiency, can cause certain harm to equipment simultaneously, consequently, need change its inside hydraulic pressure fluid, but screw rod fuel feeding equipment function among the current screw air compressor is comparatively simple, it supplies to need the staff initiative to carry out fluid, the not enough phenomenon of equipment inside fluid can appear, can influence the circulation of hydraulic oil, cause air compression inefficiency, increase energy consumption's problem.
In order to solve the problems, the efficient and energy-saving screw air compressor is provided, hydraulic oil in the screw air compressor can be automatically supplied, meanwhile, the hydraulic oil possibly used can be recycled, cooled and recycled, the hydraulic oil recycling effect is good, the supply efficiency and the air compression efficiency of the hydraulic oil in the screw air compressor can be effectively guaranteed, and meanwhile, the consumption of the hydraulic oil can be reduced.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose of the efficient and energy-saving screw air compressor, the utility model is realized by the following technical scheme: the utility model provides an energy-efficient screw air compressor, includes oil feed mechanism, the inside of oil feed mechanism is provided with the drive bullet pole, the lower extreme of drive bullet pole is provided with the kickboard, the last fixed surface of kickboard is connected with the slide bar, the side of slide bar is provided with spacing trip, the surperficial sliding connection of slide bar has the slide, the last fixed surface of slide is connected with dog one.
Still including supplying the oil tank, the inside of supplying the oil tank is provided with out oil pipe, the upper portion of supplying the oil tank is provided with the oil supply tank, the inside of oil supply tank is provided with mends oil pipe, the inside fixedly connected with bottom plate of supplying the oil tank, the upper portion of mending the oil tank is provided with back oil tank, the inside of returning oil tank is provided with back oil pipe.
The inside of fuel feeding tank is provided with oil return mechanism, oil return mechanism includes dog two, the lower fixed surface of dog two is connected with the arm-tie, the surface of arm-tie is provided with the bullet spare that resets, the surperficial sliding connection of arm-tie has the time delay bull stick, the surface of time delay bull stick is provided with the extension spring, the one end that the extension spring kept away from the time delay bull stick is provided with the slider.
Furthermore, a slotted hole is formed between the oil supply tank and used for supplying hydraulic oil to the oil supply tank, and a slotted hole is also formed between the oil supply tank and the oil return tank and used for conveying the recovered hydraulic oil to the oil supply tank.
Furthermore, the surface design of drive spring pole has compression spring for promote the kickboard and remove, slide bar and bottom plate sliding connection, and the both ends of slide bar all have the ejector pad, are used for driving the slide and remove.
Furthermore, the two groups of limiting clamping hooks are positioned on the surface of the bottom plate, are designed in a V-shaped structure, are rotatably connected with the bottom plate, and are provided with return springs for limiting the sliding plate to move.
Furthermore, the slide all designs along the both sides surface of the slide bar body of rod has spacing post, with spacing trip looks adaptation, be frictional connection between inside and the slide bar contact's surface and the slide bar for drive dog one and remove, dog one and supply the channel between oil tank and the oil tank looks adaptation is used for controlling the passageway between oil tank and the oil tank.
Furthermore, the second stop block is matched with a slotted hole between the oil supplementing tank and the oil returning tank and used for controlling a channel between the oil supplementing tank and the oil returning tank.
Furthermore, a transfer shaft is arranged between the delay rotating rod and the inner surface of the oil supplementing tank and used for limiting the reset of the pulling plate, and the sliding block is in sliding connection with the inner surface of the oil supplementing tank.
Compared with the prior art, the utility model has the following beneficial effects:
1. this energy-efficient screw air compressor uses through the cooperation of drive elastic rod and kickboard, can drive the slide bar and remove, and spacing trip uses with the cooperation of the spacing post in slide surface, can postpone the removal of slide, and the slide uses with the cooperation of dog one, can control the passageway between fuel feeding tank and the fuel feeding tank, realizes supplying fuel feeding tank's automation, and the normal circulation function of the inside hydraulic oil system of guarantee screw air compressor is favorable to improving air compression's efficiency.
2. This energy-efficient screw air compressor, through the design of time oil tank, can save the fluid after the use, make things convenient for fluid heat dissipation cooling simultaneously, the cooperation of bullet spare and dog two that resets is used, can control the passageway between oil tank and the time oil tank of mending, extension spring and slider use with the cooperation of time delay bull stick, can make the fluid in the time oil tank continuously carry in the oil tank of mending, be favorable to the recycling of fluid in the time oil tank, can effectively reduce the consumption of hydraulic pressure fluid.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a structure related to an oil inlet mechanism of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;
fig. 4 is a schematic diagram of the related structure of the oil return mechanism of the utility model.
In the figure: 1. an oil supply tank; 2. an oil outlet pipe; 3. an oil supplementing tank; 4. supplementing an oil pipe; 5. a base plate; 6. an oil inlet mechanism; 61. driving the elastic rod; 62. a floating plate; 63. a slide bar; 64. a limiting clamping hook; 65. a slide plate; 66. a first stop block; 7. an oil return tank; 8. an oil return pipe; 9. an oil return mechanism; 91. a second stop block; 92. pulling a plate; 93. resetting the elastic piece; 94. a delay rotating rod; 95. a tension spring; 96. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the high-efficiency energy-saving screw air compressor is as follows:
the first embodiment is as follows:
referring to fig. 1-4, a high-efficiency and energy-saving screw air compressor includes an oil supply tank 1, a slotted hole is formed between the oil supply tank 1 and an oil supply tank 3 for supplying hydraulic oil to the compressor, an oil outlet pipe 2 is arranged inside the oil supply tank 1 for outputting hydraulic oil, the oil supply tank 1 is provided with the oil supply tank 3 at the upper portion thereof, the slotted hole is also formed between the oil supply tank 3 and an oil return tank 7 for supplying hydraulic oil to the oil supply tank 1, the oil supply tank 3 is provided with an oil supply pipe 4 inside thereof for conveying hydraulic oil to the oil supply tank 3, and the oil supply tank 1 is fixedly connected with a bottom plate 5 inside thereof, and includes an oil inlet mechanism 6 for automatically supplying hydraulic oil.
The oil inlet mechanism 6 is internally provided with a driving elastic rod 61, the surface of the driving elastic rod 61 is designed with a compression spring for pushing a floating plate 62 to move, the lower end of the driving elastic rod 61 is provided with a floating plate 62 for driving a sliding rod 63 to move, the upper surface of the floating plate 62 is fixedly connected with a sliding rod 63, the sliding rod 63 is in sliding connection with the bottom plate 5, two ends of the sliding rod 63 are respectively designed with a push block for driving a sliding plate 65 to move, the side surface of the sliding rod 63 is provided with two groups of limiting hooks 64, the two groups of limiting hooks 64 are positioned on the surface of the bottom plate 5 and are respectively designed in a V-shaped structure design and are in rotating connection with the bottom plate 5, and a return spring is designed between the bottom plate 5 and is matched with limiting columns on the surface of the sliding plate 65 for limiting the movement of the sliding plate 65.
The surface sliding connection of slide bar 63 has slide 65, slide 65 has spacing post along the both sides surface design of the slide 63 body of rod, with spacing trip 64 looks adaptation, be frictional connection between inside and the slide 63 contact surface and the slide 63, be used for driving the cooperation of dog 66, slide 65's upper surface fixedly connected with dog 66, dog 66 and supply tank 1 and the slotted hole looks adaptation between the fuel tank 3, be used for controlling the passageway between supply tank 1 and the fuel tank 3, the upper portion of fuel tank 3 is provided with return tank 7, be used for the recovery of hydraulic oil, the inside of return tank 7 is provided with return pipe 8, be arranged in carrying return tank 7 with the hydraulic oil after using, the inside of fuel tank 3 is provided with return mechanism 9, be used for carrying the oil fluid of retrieving in the fuel tank 3.
Example two:
referring to fig. 1-4, an efficient and energy-saving screw air compressor includes an oil supply tank 1, a slotted hole is formed between the oil supply tank 1 and an oil supply tank 3 for supplying hydraulic oil to the compressor, an oil outlet pipe 2 is arranged inside the oil supply tank 1 for outputting the hydraulic oil, the oil supply tank 3 is arranged on the upper portion of the oil supply tank 1, the slotted hole is also formed between the oil supply tank 3 and an oil return tank 7 for supplying the oil supply tank 1 with the hydraulic oil, an oil supply pipe 4 is arranged inside the oil supply tank 3 for conveying the hydraulic oil to the oil supply tank 3, and a bottom plate 5 is fixedly connected inside the oil supply tank 1.
Including oil feed mechanism 6, an automatic supply for hydraulic oil, the upper portion of oil supply tank 3 is provided with oil return tank 7, a recovery for hydraulic oil, the inside of oil return tank 7 is provided with back oil pipe 8, a hydraulic oil after will using is carried in oil return tank 7, the inside of oil supply tank 3 is provided with oil return mechanism 9, a oil liquid that will retrieve is carried in oil supply tank 3, oil return mechanism 9 includes dog two 91, dog two 91 and the slotted hole looks adaptation between oil supply tank 3 and the oil return tank 7, a passageway between oil supply tank 3 and the oil return tank 7 is used for controlling.
The lower surface of the second stopper 91 is fixedly connected with a pull plate 92, a reset elastic part 93 is arranged on the surface of the pull plate 92 and used for resetting the second stopper 91, a delay rotating rod 94 is connected to the surface of the pull plate 92 in a sliding manner, a transfer shaft is designed between the delay rotating rod 94 and the inner surface of the oil replenishing tank 3 and used for delaying the resetting of the pull plate 92, a tension spring 95 is arranged on the surface of the delay rotating rod 94 and used for limiting the rotation of the delay rotating rod 94, a sliding block 96 is arranged at one end, far away from the delay rotating rod 94, of the tension spring 95, and the sliding block 96 is connected with the inner surface of the oil replenishing tank 3 in a sliding manner and used for moving the tension spring 95.
Example three:
referring to fig. 1-4, an efficient and energy-saving screw air compressor includes an oil supply tank 1, a slotted hole is formed between the oil supply tank 1 and an oil supply tank 3 for supplying hydraulic oil to the compressor, an oil outlet pipe 2 is arranged inside the oil supply tank 1 for outputting the hydraulic oil, the oil supply tank 3 is arranged on the upper portion of the oil supply tank 1, the slotted hole is also formed between the oil supply tank 3 and an oil return tank 7 for supplying the oil supply tank 1 with the hydraulic oil, an oil supply pipe 4 is arranged inside the oil supply tank 3 for conveying the hydraulic oil to the oil supply tank 3, and a bottom plate 5 is fixedly connected inside the oil supply tank 1.
Including oil feed mechanism 6, an automatic supply for hydraulic oil, the inside of oil feed mechanism 6 is provided with drive elastic rod 61, the surface design of drive elastic rod 61 has compression spring, a be used for promoting kickboard 62 and remove, the lower extreme of drive elastic rod 61 is provided with kickboard 62, a be used for driving slide bar 63 and remove, the last fixed surface of kickboard 62 is connected with slide bar 63, slide bar 63 and bottom plate 5 sliding connection, the ejector pad has all been designed at the both ends of slide bar 63, a be used for driving slide 65 and remove, the side of slide bar 63 is provided with spacing trip 64, spacing trip 64 has two sets ofly, be located the surface of bottom plate 5, all adopt V-arrangement structural design, be connected for rotating between with the bottom plate 5, and the design has reset spring between bottom plate 5, with the spacing post cooperation on slide 65 surface, a be used for restricting slide 65 and remove.
The inside of returning oil tank 7 is provided with oil return pipe 8, be arranged in carrying oil return tank 7 with the hydraulic oil after using, the inside of oil supply tank 3 is provided with oil return mechanism 9, be arranged in carrying oil supply tank 3 with the oily liquid of retrieving, oil return mechanism 9 includes two dogs 91, two dogs 91 and oil supply tank 3 and the slotted hole looks adaptation between the oil return tank 7, be arranged in controlling the passageway between oil supply tank 3 and the oil return tank 7, the lower fixed surface of two dogs 91 is connected with arm-tie 92, the surface of arm-tie 92 is provided with the bullet piece 93 that resets, be used for resetting of two dogs 91.
The surface of the pull plate 92 is slidably connected with a delay rotating rod 94, a transfer shaft is designed between the delay rotating rod 94 and the inner surface of the oil supplementing tank 3 and used for delaying the reset of the pull plate 92, a tension spring 95 is arranged on the surface of the delay rotating rod 94 and used for limiting the rotation of the delay rotating rod 94, a sliding block 96 is arranged at one end, away from the delay rotating rod 94, of the tension spring 95, and the sliding block 96 is slidably connected with the inner surface of the oil supplementing tank 3 and used for moving the tension spring 95.
When the device is used, hydraulic oil can be supplied and recovered to a hydraulic driving device in the compressor through the device, and the specific working principle is as follows:
the oil in the oil supply tank 1 can be conveyed to the driving equipment of the compressor through the oil outlet pipe 2 by the related driving oil pump, the oil in the driving equipment in the compressor is conveyed to the oil return tank 7 through the oil return pipe 8, when the oil return tank 7 recovers the oil, the used oil can continuously dissipate heat and cool in the oil return tank 7, when the oil in the oil supply tank 1 is continuously consumed, the liquid level of the oil can descend, at the moment, the driving elastic rod 61 can push the floating plate 62 to move downwards under the action of a surface compression spring of the driving elastic rod 61, so that the floating plate 62 is consistent with the liquid level, the floating plate 62 can drive the sliding rod 63 to move together by moving, at the moment, the limit columns on the upper surface of the sliding plate 65 and the corresponding limit hooks 64 are in a matching state, the sliding plate 65 cannot move together with the sliding rod 63, and the first stop block 66 and the slotted hole between the oil supply tank 1 and the oil supply tank 3 are still in a matching state.
When the liquid level in the oil supply tank 1 drops to a certain position, the push block at the upper end of the slide bar 63 can be in contact with the corresponding limiting clamping hook 64 and pushes the limiting clamping hook 64 to rotate, the limiting clamping hook 64 can be separated from the limiting column at the upper end of the slide plate 65, the slide bar 63 can be moved to drive the slide plate 65 to move together, the slide plate 65 drives the first check block 66 to move, so that the first check block 66 is separated from the slotted hole between the oil supply tank 1 and the oil supplement tank 3, the oil in the oil supplement tank 3 can enter the oil supply tank 1 at the moment, and similarly, when the oil in the oil supply tank 1 reaches a certain amount, the buoyancy of the oil on the floating plate 62 can drive the slide bar 63 to move upwards, the slide bar 63 drives the slide plate 65 to move upwards, so that the first check block 66 is matched with the slotted hole between the oil supply tank 1 and the oil supplement tank 3 again.
After the oil inside the driving equipment is used, under the action of a related oil pump, the oil is conveyed into the oil return tank 7 through the oil return pipe 8, when the oil in the oil return tank 7 reaches a certain amount, the second stopper 91 moves downwards under the action of the gravity of the oil in the oil return tank 7 and is separated from a slotted hole between the oil supplement tank 3 and the oil return tank 7, the oil in the oil return tank 7 enters the oil supplement tank 3, the movement of the second stopper 91 drives the pull plate 92 to move together, the pull plate 92 drives the delay rotating rod 94 to rotate, the delay rotating rod 94 drives the tension spring 95 and the sliding block 96 to move together, after the delay rotating rod 94 rotates, under the action of the tension spring 95 and the sliding block 96, the delay rotating rod 94 keeps the state, and simultaneously limits the upward movement of the pull plate 92, so that the second stopper 91 and the slotted hole between the oil supplement tank 3 and the oil return tank 7 are kept in the separated state, after the oil in the oil return tank 7 enters the oil supplement tank 3, the reset elastic piece 93 can drive the second stop block 91 to reset and is matched with the slotted hole between the oil supplementing tank 3 and the oil return tank 7 again, so that the cyclic utilization of oil liquid is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an energy-efficient screw air compressor, includes oil feed mechanism (6), its characterized in that: the inside of oil feed mechanism (6) is provided with drive bullet pole (61), the lower extreme of drive bullet pole (61) is provided with kickboard (62), the last fixed surface of kickboard (62) is connected with slide bar (63), the side of slide bar (63) is provided with spacing trip (64), the surperficial sliding connection of slide bar (63) has slide (65), the last fixed surface of slide (65) is connected with dog (66).
2. The efficient and energy-saving screw air compressor as claimed in claim 1, wherein: still including supplying oil tank (1), the inside of supplying oil tank (1) is provided with out oil pipe (2), the upper portion of supplying oil tank (1) is provided with oil supply tank (3), the inside of oil supply tank (3) is provided with oil supply pipe (4), the inside fixedly connected with bottom plate (5) of supplying oil tank (1), the upper portion of oil supply tank (3) is provided with oil return tank (7), the inside of oil return tank (7) is provided with back oil pipe (8).
3. An energy efficient screw air compressor as claimed in claim 2 wherein: the inside of fuel supply tank (3) is provided with oil return mechanism (9), oil return mechanism (9) are including dog two (91), the lower fixed surface of dog two (91) is connected with arm-tie (92), the surface of arm-tie (92) is provided with bullet spare (93) that reset, the sliding surface of arm-tie (92) is connected with time delay bull stick (94), the surface of time delay bull stick (94) is provided with extension spring (95), the one end that time delay bull stick (94) were kept away from in extension spring (95) is provided with slider (96).
4. An energy efficient screw air compressor as claimed in claim 2 wherein: a slotted hole is formed between the oil supply tank (1) and the oil supplement tank (3), and a slotted hole is also formed between the oil supplement tank (3) and the oil return tank (7).
5. An energy efficient screw air compressor as claimed in claim 2 wherein: the surface design of drive bullet pole (61) has compression spring, slide bar (63) and bottom plate (5) sliding connection, and the both ends of slide bar (63) all have the ejector pad.
6. An energy efficient screw air compressor as claimed in claim 2 wherein: the two groups of limiting clamping hooks (64) are positioned on the surface of the bottom plate (5), are designed in a V-shaped structure, are rotatably connected with the bottom plate (5), and are provided with return springs between the bottom plate (5).
7. An energy efficient screw air compressor as claimed in claim 2 wherein: the sliding plate (65) is provided with limiting columns along the two side surfaces of the rod body of the sliding rod (63) and is matched with the limiting clamping hooks (64), the surface, contacting with the sliding rod (63), of the sliding plate is in friction connection with the sliding rod (63), and the first stop block (66) is matched with a groove hole between the oil supply tank (1) and the oil supplement tank (3).
8. An efficient and energy-saving screw air compressor as claimed in claim 3, characterized in that: the second stop block (91) is matched with a slotted hole between the oil supplementing tank (3) and the oil returning tank (7).
9. An efficient and energy-saving screw air compressor as claimed in claim 3, characterized in that: a transfer shaft is arranged between the delay rotating rod (94) and the inner surface of the oil supplementing tank (3), and a sliding block (96) is in sliding connection with the inner surface of the oil supplementing tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689188.7U CN216343182U (en) | 2021-07-23 | 2021-07-23 | Efficient and energy-saving screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689188.7U CN216343182U (en) | 2021-07-23 | 2021-07-23 | Efficient and energy-saving screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343182U true CN216343182U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121689188.7U Expired - Fee Related CN216343182U (en) | 2021-07-23 | 2021-07-23 | Efficient and energy-saving screw air compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN216343182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118705227A (en) * | 2024-08-29 | 2024-09-27 | 晋中中意德电子液压有限公司 | Hydraulic oil supply equipment for petroleum machinery |
-
2021
- 2021-07-23 CN CN202121689188.7U patent/CN216343182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118705227A (en) * | 2024-08-29 | 2024-09-27 | 晋中中意德电子液压有限公司 | Hydraulic oil supply equipment for petroleum machinery |
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