CN114542235B - Diesel generating set convenient for engine oil replacement - Google Patents
Diesel generating set convenient for engine oil replacement Download PDFInfo
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- CN114542235B CN114542235B CN202210231612.6A CN202210231612A CN114542235B CN 114542235 B CN114542235 B CN 114542235B CN 202210231612 A CN202210231612 A CN 202210231612A CN 114542235 B CN114542235 B CN 114542235B
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- oil
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- rotating wheel
- generator set
- generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0458—Lubricant filling and draining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
- F02B63/047—Movable engine-generator combinations on wheels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a diesel generating set convenient for engine oil replacement, and belongs to the technical field of diesel generating sets. This diesel generating set who conveniently changes machine oil includes generating set body and the subassembly of changing oil, the subassembly of changing oil is including advancing oil pipe, go out oil pipe, the oil drain bolt, the back shaft, and a housing, the grafting piece, runner and dwang, when needs change machine oil operation, the device drives the runner through the dwang and rotates, rethread runner drives the grafting piece and rotates, and then make the grafting piece drive inside oil drain bolt and rotate, make the oil drain bolt leave oil pipe, leave the back through rotating the shell through the back shaft, and then make the shell drive oil drain bolt through the grafting piece and rotate one side, waste machine oil in the oil pipe discharges, do not need during the operation that operating personnel is manual to drip the oil drain port and open, avoided producing because of opening the problem that the time oil rapidly flowed and cause scald operating personnel, the potential safety hazard has been eliminated.
Description
Technical Field
The invention relates to the technical field of diesel generating sets, in particular to a diesel generating set convenient for engine oil replacement.
Background
The diesel generator set is a power supply device which takes a diesel engine as a prime mover and drags a synchronous generator to generate electricity. The power generation device has the advantages of quick start, convenient operation and maintenance, low investment and strong adaptability to the environment.
Normally the diesel engine is used for discharging the export of useless machine oil under, when changing the machine oil operation to the diesel engine, needs operating personnel to open the oil drain port manually, then takes the hand out in the twinkling of an eye, because of machine oil temperature probably is very high when opening, and can trickle rapidly at the machine oil behind the bolt of unscrewing, easily scald operating personnel, have the potential safety hazard.
Disclosure of Invention
In order to make up for the defects, the invention provides a diesel generator set convenient for engine oil replacement, and aims to solve the problems that when an operator needs to manually open an oil discharge port and then instantly draw out the oil discharge port when the engine oil is replaced on a diesel engine, the temperature of the engine oil is possibly very high when the engine oil is opened, the engine oil can rapidly flow after a bolt is unscrewed, the operator is easily scalded, and potential safety hazards exist.
The invention is realized in the following way:
the invention provides a diesel generator set convenient for engine oil replacement.
The oil change assembly comprises an oil inlet pipe, an oil outlet pipe, an oil drain bolt, a support shaft, a shell, an inserting block, a rotating wheel and a rotating rod, wherein the oil inlet pipe is arranged on one side of the generator set body, the oil outlet pipe is arranged on the bottom of the generator set body, the oil drain bolt is in threaded connection with the oil outlet pipe and is far away from one end of the generator set body, one end of the support shaft is connected with one side of the oil outlet pipe in a rotating mode, the shell is arranged on the support shaft, the support shaft is rotated and penetrates through the shell, the inserting block is arranged at one end inside the shell, one side of the inserting block is rotated and is connected with the inside of the shell, the oil drain bolt is inserted and connected with the inserting block and is far away from one side of the shell, the rotating wheel is arranged on the shell and is far away from one end of the inserting block, one side of the rotating wheel is rotated and is connected with the inside of the shell, one end of the rotating rod is fixedly connected with the rotating wheel and is far away from one side of the rotating wheel, and penetrates through one side of the rotating rod of the shell.
In an embodiment of the invention, the generator set body comprises a base, a supporting seat, a plurality of buffer springs and a generator assembly, the supporting seat is inserted at the top of the base, the buffer springs are arranged between the base and the supporting seat, the plurality of buffer springs are uniformly distributed between the base and the supporting seat, and the generator assembly is arranged at the top of the supporting seat.
In one embodiment of the invention, the bottom of the base is provided with a self-locking universal wheel, the top of the supporting seat is fixedly connected with two beams, the two beams are symmetrically arranged on the top of the supporting seat, and the generator assembly is arranged on the top of the beam.
In an embodiment of the present invention, a spring seat is fixedly connected to both the top of the base and the bottom of the supporting seat, and the buffer spring is disposed in the spring seat.
In an embodiment of the invention, the generator assembly includes a diesel engine, a generator body and a controller, the diesel engine is fixedly arranged on the top of the cross beam, the oil inlet pipe is arranged on one side of the diesel engine, the oil outlet pipe is arranged at the bottom of the diesel engine, the generator body is fixedly arranged on the top of the cross beam, the generator body is positioned at one end of the diesel engine, and the controller is fixedly arranged on the top of the generator body.
In one embodiment of the invention, one end of the oil outlet pipe is fixedly connected with an ear seat, and one end of the support shaft is rotatably connected in the ear seat.
In an embodiment of the present invention, two support springs are disposed between the housing and the support shaft, and the two support springs are sleeved on the outer side of the support shaft and symmetrically disposed on two sides of the housing.
In an embodiment of the invention, a gasket is arranged between the oil drain bolt and the oil outlet pipe.
In one embodiment of the invention, a toothed belt is meshed and connected with the outer side of the rotating wheel, one end of the toothed belt, far away from the rotating wheel, is meshed and connected with the outer side of the inserting block, and the rotating wheel is in transmission connection with the inserting block through the toothed belt.
In an embodiment of the present invention, a handle is fixedly connected to one end of the rotating rod away from the rotating wheel.
The invention has the beneficial effects that: when the diesel generating set convenient for engine oil replacement is used, when the engine oil replacement operation is needed, the device drives the rotating wheel to rotate through the rotating rod, then the rotating wheel drives the inserting block to rotate, and further the inserting block drives the internal oil drainage bolt to rotate, so that the oil drainage bolt leaves the oil outlet pipe, after the oil drainage bolt leaves the oil outlet pipe, the shell rotates through the supporting shaft, and further the shell drives the oil drainage bolt to rotate to one side through the inserting block, waste engine oil in the oil outlet pipe is discharged, an oil discharge port is not needed to be manually opened by an operator during operation, the problem that the operator is scalded due to rapid flowing of the oil when the oil drainage port is opened is solved, and potential safety hazards are eliminated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a diesel generating set with convenience in engine oil replacement according to an embodiment of the present invention;
FIG. 2 is a sectional view of a side view structure of a diesel generator set with engine oil convenient to replace according to an embodiment of the invention;
FIG. 3 is a schematic top view of a base according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the flowline structure of FIG. 2 according to an embodiment of the present invention;
fig. 5 is a sectional view of a top structure of a housing according to an embodiment of the present invention.
In the figure: 100-a generator set body; 110-a base; 111-self-locking universal wheels; 112-spring seats; 120-a support base; 121-a cross beam; 130-a buffer spring; 140-a generator assembly; 141-diesel engine; 142-a generator body; 143-a controller; 200-oil change component; 210-an oil inlet pipe; 220-an oil outlet pipe; 221-ear mount; 230-oil drain bolt; 231-a spacer; 240-supporting shaft; 241-supporting spring; 250-a housing; 260-a plug-in block; 270-a rotating wheel; 271-toothed belt; 280-rotating rods; 281-a grip.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a conveniently change diesel generating set of machine oil includes generating set body 100 and oil changing assembly 200, and when specifically setting up, generating set body 100 is used for generating electricity, and oil changing assembly 200 is used for changing the machine oil operation to generating set body 100, can prevent that when operating personnel is manual to open the oil drain port, operating personnel is scalded to machine oil, has the potential safety hazard.
Referring to fig. 2 and 3, the generator set body 100 includes a base 110, a support base 120, two buffer springs 130 and a generator assembly 140, a self-locking universal wheel 111 is disposed at the bottom of the base 110, the support base 120 is inserted into the top of the base 110, two beams 121 are fixedly connected to the top of the support base 120, the two beams 121 are symmetrically disposed at the top of the support base 120, the buffer springs 130 are disposed between the base 110 and the support base 120, spring seats 112 are fixedly connected to the top of the base 110 and the bottom of the support base 120, the buffer springs 130 are disposed in the spring seats 112, the buffer springs 130 are disposed in the base 110 and the support base 120, and the buffer springs 130 are uniformly distributed between the base 110 and the support base 120.
Referring to fig. 2, 4 and 5, the oil changing assembly 200 includes an oil inlet pipe 210, an oil outlet pipe 220, an oil discharging bolt 230, a supporting shaft 240, a housing 250, an insertion block 260, a rotating wheel 270 and a rotating rod 280, the oil inlet pipe 210 is disposed at one side of the generator set body 100, the oil outlet pipe 220 is disposed at the bottom of the generator set body 100, when the assembly is specifically disposed, waste engine oil in the generator set body 100 is discharged through the oil outlet pipe 220, new engine oil is poured into the generator set body 100 through the oil inlet pipe 210, the oil discharging bolt 230 is screwed to one end of the oil outlet pipe 220 away from the generator set body 100, a gasket 231 is disposed between the oil discharging bolt 230 and the oil outlet pipe 220, when the assembly is specifically disposed, the gasket 231 is used for sealing, when engine oil is replaced, the gasket 231 needs to be replaced together, one end of the oil outlet pipe 220 is fixedly connected to an ear seat 221, one end of the supporting shaft 240 is rotatably connected to the ear seat 221, the shell 250 is arranged on the supporting shaft 240, the supporting shaft 240 penetrates through the shell 250 in a rotating mode, two supporting springs 241 are arranged between the shell 250 and the supporting shaft 240, the supporting springs 241 are sleeved on the outer side of the supporting shaft 240, the two supporting springs 241 are symmetrically arranged on two sides of the shell 250, when the device is specifically arranged, the supporting springs 241 play a role of supporting the shell 250 through self elasticity, the shell 250 is prevented from moving greatly when not used, abrasion is caused, and the device cannot be used normally, the inserting block 260 is arranged at one end inside the shell 250, one side of the inserting block 260 is rotatably connected inside the shell 250, the oil drainage bolt 230 is inserted into one end, far away from the shell 250, of the inserting block 260, when the device is specifically arranged, a groove corresponding to the oil drainage bolt 230 is formed in the inserting block 260 and used for fixing the oil drainage bolt 230, the rotating wheel 270 is arranged at one end, far away from the inserting block 260, in the shell 250, rotating wheel 270 one side is rotated and is connected inside shell 250, the meshing of the rotating wheel 270 outside is connected with the cingulum 271, the cingulum 271 is kept away from the meshing of the one end of rotating wheel 270 and is connected in the plug-in block 260 outside, rotating rod 270 passes through the cingulum 271 transmission and connects in plug-in block 260, the shell 250 one side is kept away from to dwang 280 one end fixed connection, the dwang 280 other end rotates and runs through in shell 250 one side, the rotating rod 280 is kept away from rotating wheel 270 one end fixed connection and is held 281, when specifically setting up, the holding 281 makes things convenient for operating personnel to carry out the rotation operation to dwang 280 more, drive rotating wheel 270 through dwang 280 and rotates, rotating wheel 270 drives plug-in block 260 through the cingulum 271 and rotates, and then make plug-in block 260 drive inside oil drain bolt 230 and rotate, make oil drain bolt 230 leave oil pipe 220, rotate one side through back shaft 240 after leaving, make the interior useless machine oil of oil pipe 220 discharge.
Specifically, this conveniently change diesel generating set's of machine oil theory of operation: when the device is used, the device is moved to a position needing to be used through the self-locking universal wheel 111, the generator assembly 140 is opened to perform power generation operation, when engine oil needs to be replaced, the diesel engine 141 is firstly opened, the engine oil in the diesel engine 141 is preheated, the diesel engine 141 is closed after preheating, the shell 250 is rotated through the support shaft 240, the plug block 260 in the shell 250 is connected with the oil drain bolt 230, the rotating rod 280 is driven by the handle 281 to rotate after connection is completed, the rotating rod 280 drives the rotating wheel 270 to rotate, the rotating wheel 270 drives the plug block 260 to rotate through the toothed belt 271, the plug block 260 drives the internal oil drain bolt 230 to rotate, the oil drain bolt 230 leaves the oil outlet pipe 220, the shell 250 rotates through the support shaft 240 after leaving, the shell 250 drives the oil drain bolt 230 to rotate aside through the plug block 260, waste engine oil in the oil outlet pipe 220 is discharged, the oil drain bolt 230 is taken out of the plug block 260 after discharge, the gasket 231 in the oil drain bolt 230 is replaced, the oil outlet pipe is installed in the oil outlet pipe 220, new engine oil is poured into the engine oil inlet pipe 210, and operation is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A diesel generator set convenient for engine oil replacement is characterized by comprising
A generator set body (100);
an oil change assembly (200), wherein the oil change assembly (200) comprises an oil inlet pipe (210), an oil outlet pipe (220), an oil drain bolt (230), a support shaft (240), a shell (250), an insertion block (260), a rotating wheel (270) and a rotating rod (280), the oil inlet pipe (210) is arranged on one side of the generator set body (100), the oil outlet pipe (220) is arranged at the bottom of the generator set body (100), the oil drain bolt (230) is in threaded connection with one end, far away from the generator set body (100), of the oil outlet pipe (220), one end of the support shaft (240) is rotationally connected to one side of the oil outlet pipe (220), the shell (250) is arranged on the support shaft (240), the support shaft (240) is rotationally penetrated through the shell (250), the insertion block (260) is arranged at one end, one side of the insertion block (260) is rotationally connected to the inside of the shell (250), the oil drain bolt (230) is inserted into the insertion block (260) and far away from one end of the shell (250), the rotating wheel (270) is connected to one side of the rotating wheel block (260), and the transmission block (270) is connected to one end of the rotating wheel (250), one end of the rotating rod (280) is fixedly connected to one side, away from the shell (250), of the rotating wheel (270), and the other end of the rotating rod (280) penetrates through one side of the shell (250) in a rotating mode;
the generator set body (100) comprises a base (110), a supporting seat (120), buffer springs (130) and a generator assembly (140), wherein the supporting seat (120) is inserted at the top of the base (110), the buffer springs (130) are arranged between the base (110) and the supporting seat (120), the number of the buffer springs (130) is multiple, the number of the buffer springs (130) is uniformly distributed between the base (110) and the supporting seat (120), and the generator assembly (140) is arranged at the top of the supporting seat (120);
one end of the oil outlet pipe (220) is fixedly connected with an ear seat (221), and one end of the support shaft (240) is rotatably connected into the ear seat (221);
the supporting springs (241) are arranged between the shell (250) and the supporting shaft (240), the supporting springs (241) are sleeved with the outer side of the supporting shaft (240), two supporting springs (241) are arranged, and the two supporting springs (241) are symmetrically arranged on two sides of the shell (250);
the outer side of the rotating wheel (270) is connected with a toothed belt (271) in a meshing mode, one end, far away from the rotating wheel (270), of the toothed belt (271) is connected to the outer side of the inserting block (260) in a meshing mode, and the rotating wheel (270) is connected to the inserting block (260) through the toothed belt (271) in a transmission mode.
2. The diesel generator set convenient for engine oil replacement according to claim 1, wherein a self-locking universal wheel (111) is arranged at the bottom of the base (110), a cross beam (121) is fixedly connected to the top of the support base (120), two cross beams (121) are arranged, two cross beams (121) are symmetrically arranged at the top of the support base (120), and the generator assembly (140) is arranged at the top of the cross beam (121).
3. The diesel generator set facilitating engine oil replacement according to claim 2, wherein a spring seat (112) is fixedly connected to the top of the base (110) and the bottom of the supporting seat (120), and the buffer spring (130) is disposed in the spring seat (112).
4. The diesel generator set convenient for engine oil replacement of claim 3, wherein the generator assembly (140) comprises a diesel engine (141), a generator body (142) and a controller (143), the diesel engine (141) is fixedly arranged on the top of the cross beam (121), the oil inlet pipe (210) is arranged on one side of the diesel engine (141), the oil outlet pipe (220) is arranged on the bottom of the diesel engine (141), the generator body (142) is fixedly arranged on the top of the cross beam (121), the generator body (142) is arranged at one end of the diesel engine (141), and the controller (143) is fixedly arranged on the top of the generator body (142).
5. The diesel generator set facilitating engine oil replacement according to claim 1, wherein a gasket (231) is arranged between the oil drain bolt (230) and the oil outlet pipe (220).
6. The diesel generator set convenient for engine oil replacement as set forth in claim 1, wherein a handle (281) is fixedly connected to an end of the rotating rod (280) far away from the rotating wheel (270).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231612.6A CN114542235B (en) | 2022-03-09 | 2022-03-09 | Diesel generating set convenient for engine oil replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231612.6A CN114542235B (en) | 2022-03-09 | 2022-03-09 | Diesel generating set convenient for engine oil replacement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542235A CN114542235A (en) | 2022-05-27 |
| CN114542235B true CN114542235B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210231612.6A Active CN114542235B (en) | 2022-03-09 | 2022-03-09 | Diesel generating set convenient for engine oil replacement |
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| CN112157627A (en) * | 2020-09-21 | 2021-01-01 | 安徽工程大学 | Handheld dismounting device for oil drain plug of automobile oil pan and using method of dismounting device |
| CN213392314U (en) * | 2020-10-23 | 2021-06-08 | 青岛建邦供应链股份有限公司 | Oil pan oil drain device and oil pan |
| CN112548947A (en) * | 2020-11-19 | 2021-03-26 | 山东华宇工学院 | Intelligent tool for disassembling oil drain bolt |
| CN214247453U (en) * | 2021-02-23 | 2021-09-21 | 嵩县金牛有限责任公司 | Splash-proof lubricating oil drainage auxiliary device |
| CN214616770U (en) * | 2021-06-04 | 2021-11-05 | 福建申工电源设备有限公司 | Diesel generating set with buffering vibrations function |
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| CN114542235A (en) | 2022-05-27 |
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