CN212056693U - Electric oil pumping device - Google Patents
Electric oil pumping device Download PDFInfo
- Publication number
- CN212056693U CN212056693U CN202020702586.7U CN202020702586U CN212056693U CN 212056693 U CN212056693 U CN 212056693U CN 202020702586 U CN202020702586 U CN 202020702586U CN 212056693 U CN212056693 U CN 212056693U
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- oil
- electric oil
- electric
- pumping device
- extractor body
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- 238000005086 pumping Methods 0.000 title claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 157
- 238000000034 method Methods 0.000 abstract description 19
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
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Abstract
The utility model provides an electric oil pumping device. The method comprises the following steps: the electric oil pumping device comprises an electric oil pumping device body, an electric gear pump, an oil suction rod and an oil drum, wherein the electric oil pumping device body is respectively provided with an oil inlet, an oil outlet and a wire inlet, and the oil suction rod is arranged in the oil drum; the wire fixing device is arranged on the electric oil extractor body; the power switch is arranged on the electric oil extractor body; the handle is arranged on the electric oil extractor body; the valveless faucet is arranged on the electric oil extractor body; and the quick plug is arranged between an oil inlet on the body of the electric oil pumping device and an oil outlet of the oil absorption rod. The utility model provides an electronic oil pumping ware design is used for 15-30L, 50-60L, 170 supplementarily 230L barreled lubricating oil filling in the market at present to can require according to the scene, along with closing along with stopping, quick plug device conveniently trades the bucket, accomplishes small comparing traditional filling mode under, light in weight, the price is low, modularization more, convenient.
Description
Technical Field
The utility model relates to a lubricated field of fluid delivery especially relates to an electronic oil pumping ware.
Background
Lubricating oil is an indispensable product in the market, so the filling work of the lubricating oil is also important, and the existing filling methods comprise a manual oil pump filling method, an electric pump filling method and a pneumatic pump filling method.
Manual oil pump filling method: the oil suction pipe is manually inserted into the oil drum, and the oil is manually sucked out through the oil pump body by a crank handle. The method is simple to operate, and when the filling amount is large, the manual working strength is high. And the filling time is too long, which affects the working efficiency.
Electric pump filling method: the method has the advantages that the working efficiency is obviously improved compared with a manual oil pump filling method, but the method has the defects that the cost of the electric pump is relatively high, the electric pump is large in size, heavy in mass, low in integration level, capable of supplying power by 220V or 380V, easy to collide and damage, difficult to carry as a whole, troublesome in barrel replacement process and easy to pollute the environment, and electric parts such as electric parts and the like are directly exposed and mounted.
A pneumatic pump filling method: the method has the advantages that although the method is simple in operation and relatively safe, the method has the defects that a plurality of parts are needed, the oil pump and the control part are independently installed, the integration level is low, the size is large, accessories such as pneumatic devices and electric moving parts are directly and naked to be installed, the pneumatic devices and the electric moving parts are easy to collide and damage, the whole body is not easy to move, and the barrel is easy to dirty in the process of carrying or replacing the barrel.
Therefore, it is necessary to provide an electric oil pump to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric oil pumping device has solved the problem that current lubricated mode removal is not convenient, electrical components exposes, bulky, too heavy, the transport trades that the bucket is loaded down with trivial details, the security performance is low, the filling is inefficient. The originally scattered devices are creatively and highly integrated, and the structure is highly compact. And the electric oil extractor is penetrated by innovatively adopting a quick plug device and a cladding design concept.
In order to solve the technical problem, the utility model provides an electric oil pumping device includes: the electric oil pumping device comprises an electric oil pumping device body, an electric gear pump, an oil suction rod and an oil drum, wherein the electric oil pumping device body is respectively provided with an oil inlet, an oil outlet and a wire inlet, and the oil suction rod is arranged in the oil drum; the wire fixing device is arranged on the electric oil pumping device body; the power switch is arranged on the electric oil extractor body; the handle is arranged on the electric oil extractor body; the valveless faucet is arranged on the electric oil extractor body; the quick plug is arranged between an oil inlet on the electric oil extractor body and an oil outlet of the oil absorption rod, the joint of the quick plug and the electric oil extractor body is in internal and external threaded connection, and a plurality of groups of sealing rings are arranged on the quick plug; a bung hole nut, the bung hole nut set up in on the oil drum.
Preferably, the electric gear pump is a power transmission device of the electric oil extractor body, and the electric gear pump is matched with the valveless faucet.
Preferably, the barrel hole nut is connected with an oil outlet of the oil barrel through internal and external threads; dovetail screws are mounted on the bucket hole nuts.
Preferably, the oil sucking rod is matched with the quick plug.
Preferably, the method further comprises the following steps:
the first connecting disc is fixed to the back of the electric oil extractor body, a first connecting magnet is fixedly connected to the inside of the first connecting disc, the second connecting disc is fixed to the back of the electric oil extractor body, a sliding hole is formed in the top of the second connecting disc, and a second connecting magnet is slidably connected to the inside of the second connecting disc;
the bottom of the first supporting plate and the bottom of the second supporting plate are both fixed at the top of the electric oil extractor body, and the first supporting plate is provided with an internal threaded hole;
the adjusting rod is in threaded connection with the inner surface of the internal threaded hole through an external thread surface, one end of the adjusting rod is fixedly connected with an adjusting disc, the surface of the adjusting rod is fixedly connected with a limiting ring, and the other end of the adjusting rod is fixedly connected with a linkage disc;
the linkage plate slides on the surface of the adjusting rod, a straight plate is arranged at the bottom of the linkage plate, the bottom of the straight plate passes through the sliding hole and extends into the second connecting disc, and the bottom of the straight plate is fixedly connected with the top of the second connecting magnet;
the limiting sliding shaft is fixed on one side of the electric oil extractor body, penetrates through the straight plate and extends to the other side of the straight plate, and the surface of the limiting sliding shaft is connected with the limiting sliding shaft in a sliding mode.
Preferably, the first land has the same size as the second land, and an inside of the sliding hole and an inside of the second land are communicated with each other.
Preferably, one end of the adjusting rod penetrates through the second support plate and extends to one side of the second support plate, and the surface of the adjusting rod is in sliding connection with the surface of the second support plate.
Compared with the prior art, the utility model provides an electric oil pumping device has following beneficial effect:
the utility model provides an electric oil pumping device, an operator only needs to connect pipelines such as the electric oil pumping device, a quick plug, a barrel hole nut and an oil suction rod, and places an oil receiving pot with scales under a valveless faucet, plugs in a power supply, turns on a power switch, the electric gear pump starts to work, when the oil output reaches the required filling amount according to the on-site requirement, the power switch is closed, the electric gear pump stops working, the filling is completed, when the barrel is replaced, a dovetail screw on the barrel hole nut is loosened, a handle is held to be pulled upwards, the quick plug is separated from the oil suction rod, the oil suction rod and the barrel hole nut are taken down and put into a new barrel to be assembled, the quick plug is inserted into the oil suction rod, the dovetail screw is tightly plugged, the barrel replacement is completed, the oil barrel can be conveniently replaced along with the insertion and the pulling, time and labor are saved, compared with the existing manual oil filling mode, the labor, the time required by oiling is shortened, and the working efficiency is greatly improved; compared with the existing electric refueling mode, the movable carrying type refueling truck has the advantages that the movable carrying type refueling truck is more convenient and small in size, light in weight, and meanwhile, the safety performance is greatly improved, and the personal safety of operators is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of an electric oil pump according to the present invention;
fig. 2 is a schematic structural view of a body part of the electric oil pump shown in fig. 1;
fig. 3 is a schematic structural diagram of two external installation modes of the electric oil pump provided by the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the electric oil pump according to the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4;
fig. 6 is an enlarged view of fig. 4 at B.
Reference numbers in the figures: 1. the electric oil pumping device comprises an electric oil pumping device body, 2, a wire fixing device, 3, a power switch, 4, a lifting handle, 5, a valveless faucet, 6, an oil sucking rod, 7, a barrel hole nut, 8, a quick plug, 9, a wire inlet, 10, an oil inlet, 11, an electric gear pump, 12, an oil outlet, 13, a first connecting disc, 131, a first connecting magnet, 14, a first supporting plate, 141, an internal thread hole, 15, an adjusting rod, 151, an external thread surface, 152, an adjusting disc, 153, a limiting ring, 154, a linkage disc, 16, a second supporting plate, 17, a second connecting disc, 171, a sliding hole, 172, a second connecting magnet, 18, a linkage plate, 19, a limiting sliding shaft, 21, an oil barrel, 22, an oil barrel connecting type, 23 and a wall-hanging type.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The first embodiment:
please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural principle diagram of a first embodiment of an electric oil pump according to the present invention;
fig. 2 is a schematic structural view of a body part of the electric oil pump shown in fig. 1;
fig. 3 is a schematic structural diagram of two external installation modes of the electric oil pump according to the present invention.
The utility model provides an electronic oil pumping ware includes: the device comprises key components such as an electric oil pumping device body 1, an electric gear pump 11, a quick plug 8, a barrel hole nut 7, an oil absorption rod 6 and the like. An electric oil extractor, which in turn comprises two installation modes: a fixed oil drum connecting type 22 and a wall-mounted type 23; the wire fixing device 2 is arranged on the electric oil pumping device body 1; the power switch 3 is arranged on the electric oil extractor body 1 and controls the power on-off of the electric gear pump 11; the handle 4 is arranged on the electric oil pumping device body 1; the valveless faucet 5 is arranged on the electric oil extractor body 1, and the valveless faucet 5 is arranged on the electric oil extractor body 1; an electric gear pump 11, wherein the electric gear pump 11 is used as a power transmission device of the electric oil pumping device; the quick plug 8 is arranged between an oil inlet 10 on the electric oil extractor body 1 and an oil outlet of the oil sucking rod 6, the joint of the quick plug 8 and the electric oil extractor body 1 is in internal and external threaded connection, a plurality of groups of sealing rings are arranged on the quick plug 8, the quick plug 8 is arranged between the oil inlet on the electric oil extractor body 1 and the oil outlet of the oil sucking rod 6, the joint of the quick plug 8 and the electric oil extractor body is in internal and external threaded connection, and the plurality of groups of sealing rings on the quick plug 8 are in close fit connection with the inner wall of the oil sucking rod 6, so that a sealing effect is achieved; the barrel hole nut 7 is arranged on the oil barrel 21, and the barrel hole nut 7 is arranged on the oil barrel; inhale oil pole 6, inhale oil pole 6 set up in the oil drum 21, and with quick plug 8 is connected, realizes quick plug effect.
The electric gear pump 11 is used as a power conveying device of the electric oil pumping device, the electric gear pump 11 is matched with the valveless faucet 5, pressure cannot be held back for a long time, otherwise, a motor is easily damaged, the electric gear pump needs to be matched with the valveless faucet 5 for use, and the service life of the electric oil pumping device can be prolonged.
The electric oil extractor body 1 is provided with an oil inlet 10, an oil outlet 12 and a wire inlet 9 respectively.
The barrel hole nut 7 is connected with an oil outlet of the oil barrel 21 through internal and external threads; the bucket hole nut 7 is provided with a dovetail screw, and the dovetail screw is rotated to achieve the effect of fixedly placing the oil sucking rod 6 in the bucket hole nut 7.
The oil suction rod 6 is matched with the quick plug 8, the oil suction rod 6 needs to be matched with the quick plug 8 for use, the using effect of the electric oil pumping device can be maximized, an oil drum is convenient to disassemble and replace, and the oil pumping device can be plugged and pulled at any time.
The utility model provides an electric oil pumping device's theory of operation as follows:
during operation, operating personnel connects power plug, places the oily kettle that connects of taking the scale, or other containers, opens switch 3, and electronic gear pump 11 work forms the negative pressure in 11 preceding all connecting pipe fittings of the oil absorption end of electronic gear pump, and atmospheric pressure extrudes the suction of oil in the oil drum 21, through electronic gear pump 11, flows out via valveless tap 5. And (4) observing the oil level in the oil receiving kettle with scales, turning off the power switch 3 after the oil level reaches the required used oil amount, stopping the work of the electric gear pump 11, and finishing the filling work. When the barrel is replaced, the dovetail screws on the barrel hole nuts 7 are loosened, the handle 4 is held to be pulled upwards, the quick plug 8 is separated from the oil suction rod 6, the oil suction rod 6 and the barrel hole nuts 7 are taken down and put into a new barrel to be assembled, the quick plug 8 is inserted into the oil suction rod 6, the dovetail screws are tightly fastened, and the barrel replacing work is completed.
Compared with the prior art, the utility model provides an electric oil pumping device has following beneficial effect:
the utility model provides an electric oil pumping device, operating personnel only need to be good to pipe connection such as electric oil pumping device, quick plug, bung hole nut, oil suction rod to place the oilcan that connects of taking the scale under valveless formula tap, or other containers, plug in the power, open switch, electric gear pump begins work, according to the on-the-spot requirement, when the volume that produces oil reaches required filling, closes switch, electric gear pump stop work, this filling is accomplished. When the barrel is replaced, the dovetail screw on the barrel hole nut is loosened, the handle is held and pulled upwards, the quick plug is separated from the oil suction rod, the oil suction rod and the barrel hole nut are taken down and put into a new barrel to be assembled, the quick plug is inserted into the oil suction rod, the dovetail screw is tightly fastened, and the barrel replacement is completed. Can conveniently change the oil drum, along with inserting and pulling, labour saving and time saving. On the premise of comparing the existing manual oiling mode, the labor intensity of workers is reduced, the time required by oiling is shortened, and the working efficiency is greatly improved; compared with the existing electric refueling mode, the movable carrying type refueling truck has the advantages that the movable carrying type refueling truck is more convenient and small in size, light in weight, and meanwhile, the safety performance is greatly improved, and the personal safety of operators is guaranteed.
Second embodiment:
referring to fig. 4, 5 and 6, a second embodiment of the present application provides another adjustable double-sided chip cutter based on the adjustable double-sided chip cutter provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of the adjustable double-sided chip cutting cutter head that the second embodiment of this application provided lies in, adjustable double-sided chip cutting cutter head still includes: the oil suction device comprises a first connecting disc 13 and a second connecting disc 17, wherein the first connecting disc 13 is fixed on the back of the electric oil extractor body 1, a first connecting magnet 131 is fixedly connected inside the first connecting disc 13, the second connecting disc 17 is fixed on the back of the electric oil extractor body 1, a sliding hole 171 is formed in the top of the second connecting disc 17, and a second connecting magnet 172 is slidably connected inside the second connecting disc 17; the bottom of the first support plate 14 and the bottom of the second support plate 16 are both fixed to the top of the electric oil extractor body 1, and the first support plate 14 is provided with an internal threaded hole 141; the adjusting rod 15 is in threaded connection with the inner surface of the internal threaded hole 141 through an external thread surface 151, one end of the adjusting rod 15 is fixedly connected with an adjusting disc 152, the surface of the adjusting rod 15 is fixedly connected with a limiting ring 153, and the other end of the adjusting rod 15 is fixedly connected with a linkage disc 154; the linkage plate 18 slides on the surface of the adjusting rod 15, a straight plate is arranged at the bottom of the linkage plate 18, the bottom of the straight plate passes through the sliding hole and extends into the second connecting disc 17, and the bottom of the straight plate is fixedly connected with the top of the second connecting magnet 172; the limiting sliding shaft 19 is fixed to one side of the electric oil extractor body 1, the limiting sliding shaft 19 penetrates through the straight plate and extends to the other side of the straight plate, and the surface of the limiting sliding shaft 19 is in sliding connection with the limiting sliding shaft 19.
The attraction force generated by the magnet is affected by the distance between the magnet and the metal, and the closer the distance, the greater the attraction force of the magnet, and the farther the distance, the smaller the attraction force of the magnet.
Magnetic attraction effect through two sets of connection magnets, conveniently with the quick installation of electric oil extractor organism 1 on the metal with magnet looks adaptation, install temporarily on the metal when the person of facilitating the use uses, drive the second through adjusting the structure and connect magnet 172 to the one side removal of keeping away from the metal, thereby increase the distance between magnet and the metal, make power to the one side removal of keeping away from the metal conveniently from the top of electric oil extractor organism 1, thereby convenient dismantlement to electric oil extractor organism 1, in order to make things convenient for electric oil extractor's use.
The size of the first land 13 is the same as that of the second land 17, and the inside of the slide hole 171 and the inside of the second land 17 communicate with each other.
The first connecting magnet 131 on the first connecting disc 13 is larger than the second connecting magnet 172 inside the second connecting disc 17, the first connecting magnet 131 is used for increasing the stability of connection between the electric oil extractor body 1 and metal, and the second connecting magnet 172 which can be movably adjusted is used for facilitating the disassembly and adjustment of the electric oil extractor body 1.
One end of the adjusting lever 15 penetrates the second supporting plate 16 and extends to one side of the second supporting plate 16, and the surface of the adjusting lever 15 is slidably connected with the surface of the second supporting plate 16.
The adjusting rod 15 is convenient to rotate and adjust through the adjusting disk 152, when the adjusting disk 152 drives the adjusting rod 15 to synchronously rotate clockwise, the adjusting rod 15 drives the adjusting rod 15 to rotate on the first supporting plate 14 and move towards the front of the electric oil extractor body 1 through the threaded connection structure of the internal threaded hole 141, the adjusting rod 15 stably slides on the second supporting plate 16, the adjusting rod 15 synchronously pushes the linkage plate 18 to move towards the front of the electric oil extractor body 1 through the linkage disk 154 when moving, the linkage plate 18 synchronously drives the second connecting magnet 172 at the bottom to synchronously move towards the side far away from the contact metal through the straight plate at the bottom, so that the distance between the second connecting magnet 172 and the metal is increased, the adsorption force between the second connecting magnet 172 and the metal is reduced, the electric oil extractor body 1 is convenient to be pulled out of the surface of the metal, and the straight plate is limited and supported through the limiting sliding shaft 19 when moving, the stability of the straight plate during movement is guaranteed.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. An electric oil pump, comprising:
the electric oil pumping device comprises an electric oil pumping device body, an electric gear pump, an oil suction rod and an oil drum, wherein the electric oil pumping device body is respectively provided with an oil inlet, an oil outlet and a wire inlet, and the oil suction rod is arranged in the oil drum;
the wire fixing device is arranged on the electric oil pumping device body;
the power switch is arranged on the electric oil extractor body;
the handle is arranged on the electric oil extractor body;
the valveless faucet is arranged on the electric oil extractor body;
the quick plug is arranged between an oil inlet on the electric oil extractor body and an oil outlet of the oil absorption rod, the joint of the quick plug and the electric oil extractor body is in internal and external threaded connection, and a plurality of groups of sealing rings are arranged on the quick plug;
a bung hole nut, the bung hole nut set up in on the oil drum.
2. The electric oil extractor of claim 1, wherein the electric gear pump is a power transmission device of the electric oil extractor body, and the electric gear pump is adapted to the valveless faucet.
3. The electric oil extractor according to claim 2, wherein the barrel hole nut is connected with an oil outlet of an oil barrel by internal and external threads; dovetail screws are mounted on the bucket hole nuts.
4. The electric oil pump of claim 3, wherein the oil suction rod is adapted to the quick connector.
5. The electric oil pump of claim 1, further comprising:
the first connecting disc is fixed to the back of the electric oil extractor body, a first connecting magnet is fixedly connected to the inside of the first connecting disc, the second connecting disc is fixed to the back of the electric oil extractor body, a sliding hole is formed in the top of the second connecting disc, and a second connecting magnet is slidably connected to the inside of the second connecting disc;
the bottom of the first supporting plate and the bottom of the second supporting plate are both fixed at the top of the electric oil extractor body, and the first supporting plate is provided with an internal threaded hole;
the adjusting rod is in threaded connection with the inner surface of the internal threaded hole through an external thread surface, one end of the adjusting rod is fixedly connected with an adjusting disc, the surface of the adjusting rod is fixedly connected with a limiting ring, and the other end of the adjusting rod is fixedly connected with a linkage disc;
the linkage plate slides on the surface of the adjusting rod, a straight plate is arranged at the bottom of the linkage plate, the bottom of the straight plate passes through the sliding hole and extends into the second connecting disc, and the bottom of the straight plate is fixedly connected with the top of the second connecting magnet;
the limiting sliding shaft is fixed on one side of the electric oil extractor body, penetrates through the straight plate and extends to the other side of the straight plate, and the surface of the limiting sliding shaft is connected with the limiting sliding shaft in a sliding mode.
6. The electric oil pump as claimed in claim 5, wherein the first connection plate has the same size as the second connection plate, and an inside of the sliding hole and an inside of the second connection plate communicate with each other.
7. The electric oil extractor as claimed in claim 6, wherein one end of the adjusting rod penetrates the second support plate and extends to one side of the second support plate, and a surface of the adjusting rod is slidably coupled with a surface of the second support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020702586.7U CN212056693U (en) | 2020-04-30 | 2020-04-30 | Electric oil pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020702586.7U CN212056693U (en) | 2020-04-30 | 2020-04-30 | Electric oil pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212056693U true CN212056693U (en) | 2020-12-01 |
Family
ID=73526755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020702586.7U Expired - Fee Related CN212056693U (en) | 2020-04-30 | 2020-04-30 | Electric oil pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212056693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664812A (en) * | 2021-01-05 | 2021-04-16 | 深圳西通流体技术有限公司 | Electronic ration delivery pump of networking type intelligence |
| CN113446506A (en) * | 2021-07-21 | 2021-09-28 | 深圳西通流体技术有限公司 | Insert barrel type electric lubricating oil quantitative filling machine with battery compartment |
| CN114321101A (en) * | 2021-11-27 | 2022-04-12 | 宜昌测试技术研究所 | Integrated underwater hydraulic power source |
-
2020
- 2020-04-30 CN CN202020702586.7U patent/CN212056693U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664812A (en) * | 2021-01-05 | 2021-04-16 | 深圳西通流体技术有限公司 | Electronic ration delivery pump of networking type intelligence |
| CN113446506A (en) * | 2021-07-21 | 2021-09-28 | 深圳西通流体技术有限公司 | Insert barrel type electric lubricating oil quantitative filling machine with battery compartment |
| CN114321101A (en) * | 2021-11-27 | 2022-04-12 | 宜昌测试技术研究所 | Integrated underwater hydraulic power source |
| CN114321101B (en) * | 2021-11-27 | 2023-11-07 | 宜昌测试技术研究所 | Integrated underwater hydraulic power source |
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| GR01 | Patent grant | ||
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Granted publication date: 20201201 |