CN105443509A - Portable vehicle oil line circulating device and working method thereof - Google Patents
Portable vehicle oil line circulating device and working method thereof Download PDFInfo
- Publication number
- CN105443509A CN105443509A CN201511015290.8A CN201511015290A CN105443509A CN 105443509 A CN105443509 A CN 105443509A CN 201511015290 A CN201511015290 A CN 201511015290A CN 105443509 A CN105443509 A CN 105443509A
- Authority
- CN
- China
- Prior art keywords
- interface
- oil
- vehicle
- fuel tank
- hydraulic pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002828 fuel tank Substances 0.000 claims description 37
- 239000012530 fluid Substances 0.000 claims description 19
- 230000001050 lubricating effect Effects 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 description 32
- 238000010586 diagram Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Abstract
The invention discloses a portable vehicle oil line circulating device and a working method thereof and relates to a vehicle overhauling device. In an oil line of a coach clutch operation system and an oil line of a lifting platform accelerator system of an automobile crane, air is particularly hard to exhaust from pipelines because long hydraulic pipelines of the oil lines are laid and are relatively complicated. The device disclosed by the invention comprises a hydraulic system and an electric system, wherein the hydraulic system comprises an electro-motor, a hydraulic pump, an overflowing valve, a first interface, a second interface and an oil tank; the hydraulic pump is connected with the electro-motor; an oil outlet of the hydraulic pump is connected with an oil inlet of the overflowing valve through an oil pipe; the oil outlet of the overflowing valve is connected with the first interface through the oil pipe; a pressure relief hole of the overflowing valve is connected with an oil returning pipeline; the second interface is connected with the oil tank; the first interface is arranged at the lower part of the oil tank; the second interface is arranged at the upper part of the oil tank; a returned oil filter connected with the second interface is arranged inside the oil tank; the electric system comprises a power switch, a positive terminal and a negative terminal. The device disclosed by the invention is simple in structure, capable of alleviating the labor intensity of a worker, and flexible and convenient to operate.
Description
Technical field
The present invention relates to a kind of automobile inspection device, especially a kind of portable vehicle oil circulation device.
Background technique
Clutch operating system and the truck crane cape throttle system of the vehicles such as current heavy goods vehicle, passenger vehicle all adopt HYDRAULIC CONTROL SYSTEM.For passenger vehicle, its clutch operating system adopts by driver's pin stepping on clutch master cylinder pedal, mineralization pressure in clutch operating system, opens the clutch slave cylinder fuel tap high-pressure air introduced in vehicle air-channel system and promotes piston in clutch slave cylinder and move thus promote clutch shifter and impel clutch separation.But after vehicular clutch control system breaks down, after needing to change its clutch master cylinder or wheel cylinder, the air in hydraulic pipe line gets rid of difficulty.At present, the mode of hydraulic pipe line air-discharging mainly contains two kinds, first, coordinated by two people, one people is responsible for stepping on dynamic clutch master cylinder pedal mineralization pressure, another people is responsible for indicating screwed tightening clutch slave cylinder repeatedly to drop a hint bolt at clutch slave cylinder place according to the former, and the method wastes time and energy, and wastes a large amount of fluid.The second, adopt and inject high-pressure air method to clutch master cylinder lubricating cup place, get rid of the air in hydraulic pipe line.The method is only applicable to on-site maintenance, and easily causes by oil contamination in operator cabin, cleaning difficulty.Especially passenger car clutch control system oil circuit and truck crane cape throttle system oil circuit, because its hydraulic pipe line is laid long, more complicated, seem when getting rid of circuit air particularly difficulty.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition carries out improving to prior art and improves, and provides a kind of portable vehicle oil circulation device and method of work thereof, to increase work efficiency and cost-saving object.For this reason, the present invention takes following technological scheme.
A kind of portable vehicle oil circulation device, comprises hydraulic system and electrical system,
Described hydraulic system comprises motor, oil hydraulic pump, relief valve, first interface, the second interface and fuel tank, described oil hydraulic pump is connected with motor, oil hydraulic pump oil outlet is connected with relief valve filler opening by oil pipe, relief valve oil outlet is connected with first interface by oil pipe, relief valve relief port is connected with return line and directly gets back to fuel tank, and the second interface is connected with fuel tank; Described first interface is located at the bottom of fuel tank; Described first interface is located at the top of fuel tank; The return filter connected with the second interface is provided with in fuel tank;
Described electrical system comprise control motor work power switch, for connecting positive terminal, the negative terminal of power supply.Structure is simple, lightweight to be easy to carry; The power supply of vehicle own can be utilized to power for device, be convenient to outdoor study.The technical program can make oil circuit deaeration in oil circulation process by maneuver mode, reduces labor strength.This device can be closed with vehicle hydraulic pipeline and be connected, and prevents the excessive pollution vehicle of fluid.The technical program provides hydraulic pressure by motoring oil hydraulic pump, by relief valve pilot line pressure.
As improving further and supplementing technique scheme, the present invention also comprises following additional technical feature.
Described motor, oil hydraulic pump, relief valve are located in a cabinet.Available protecting motor, oil hydraulic pump, relief valve, avoid because of damage, improving Security, easy-to-connect, pipeline is cracky not simultaneously, and is conducive to keeping environment clean, is easy to carry simultaneously.
The panel of described cabinet is established power switch, power supply indicator, safety fuse cutout, positive source wiring terminal, power cathode wiring terminal, described power switch, power supply indicator, safety fuse cutout are arranged in series.Improve the Security used.
The end face of fuel tank is provided with opening, and opening establishes fuel tank cap.Be conducive to the cleaning of fuel tank.
Described cabinet and fuel tank are fixedly installed side by side.Be easy to carry.
Also comprise storage battery connecting line, positive source wiring terminal, power cathode wiring terminal are connected with vehicle accumulator by storage battery connecting line.Have employed vehicle power supply power, lightweight, this device is also convenient to use out of doors.
Also comprise fuse holder connecting line, positive source wiring terminal, power cathode wiring terminal are connected with vehicle fuse seat by vehicle fuse seat connecting line.Vehicle fuse seat is connected with storage battery by vehicle fuse seat connecting line or storage battery connecting line, and vehicle fuse is connected on Power supply line.
A method of work for portable vehicle oil circulation device, comprises the following steps:
1) complete after the replacing of replacing clutch operating system associated components until staff, when needing air in removal system, by vehicle fuse seat connecting line or vehicle accumulator connecting line, positive and negative terminal is connected with the both positive and negative polarity of corresponding vehicle power supply;
2) bolt mouth of first interface and clutch slave cylinder being dropped a hint is connected, and is connected by the second interface with clutch master cylinder filler opening;
3) by power switch actuating motor, motoring hydraulic pump works makes fuel tank inner fluid start at clutch operating system Inner eycle, by the circulation of fluid, the air in control system is entered in fuel tank with fluid and discharges; So, after the cycle sets time, powered-down switch, clutch master cylinder filler opening is disconnected with device second interface and is connected with lubricating cup in former vehicle, and then by power switch actuating motor, lubricating cup inner fluid is increased, powered-down switch after lubricating cup inner fluid reaches maximum value, then remove the electric power connection line with vehicle; Remove the connecting pipeline of first interface and clutch slave cylinder, bolt of dropping a hint is installed.
Beneficial effect: the technical program structure is simple, lightweight to be easy to carry; The power supply of vehicle own can be utilized to power for device, be convenient to outdoor study.Make oil circuit deaeration in oil circulation process by maneuver mode, reduce labor strength, flexible and convenient operation.This device can be closed with vehicle hydraulic pipeline and be connected, and prevents the excessive pollution vehicle of fluid.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention.
Fig. 2 is side-looking structural representation of the present invention.
Fig. 3 is hydraulic work system schematic diagram of the present invention.
Fig. 4 is Principle of Electrical System figure of the present invention.
Fig. 5 is the operating hydraulically operated principle schematic diagram of passenger car clutch.
Fig. 6 is a kind of oil circulation fundamental diagram of the present invention.
Fig. 7 is the present invention's two kinds of oil circulation fundamental diagrams.
1. motor; 2. oil hydraulic pump; 3. relief valve; 4. fuel tank; 5. filter; 6. first interface; 7. the second interface; 8. cabinet; 9. power supply indicator; 10. power switch; 11. safety fuse cutouts; 12. positive terminals; 13. negative terminals; 14. fuel tank cap; 15. lubricating cups; 16. clutch master cylinders; 17. clutch slave cylinders; 18. drop a hint bolt.
Embodiment
Below in conjunction with Figure of description, technological scheme of the present invention is described in further detail.
As shown in Figure 1, 2, the present invention includes hydraulic system and electrical system,
Described hydraulic system, as shown in Figure 3, comprise motor 1, oil hydraulic pump 2, relief valve 3, first interface 6, second interface 7 and fuel tank 4, described oil hydraulic pump 2 is connected with motor 1, oil hydraulic pump 2 oil outlet is connected with relief valve 3 filler opening by oil pipe, relief valve 3 oil outlet is connected with first interface 6 by oil pipe, and relief valve 3 relief port is connected with return line and directly gets back to fuel tank 4, and the second interface 7 is connected with fuel tank 4; Described first interface 6 is located at the bottom of fuel tank 4; Described first interface 6 is located at the top of fuel tank 4; The return filter 5 connected with the second interface 7 is provided with in fuel tank 4;
As shown in Figure 4, described electrical system comprise control motor 1 work power switch 10, for connecting positive terminal 12, negative terminal 13, the connecting line of power supply.The panel of cabinet 8 is established power switch 10, power supply indicator 9, safety fuse cutout 11, positive source wiring terminal 12, power cathode wiring terminal 13, described power switch 10, power supply indicator 9, safety fuse cutout 11 are arranged in series.Connecting line be storage battery connecting line and or safety fuse cutout 11 connecting lines, positive source wiring terminal 12, power cathode wiring terminal 13 are connected with vehicle accumulator by storage battery connecting line; For improving Security, positive source wiring terminal 12, power cathode wiring terminal 13 are connected with vehicle fuse 11 by vehicle fuse 11 connecting lines.
Conveniently carry, and avoid befouling environment, described motor 1, oil hydraulic pump 2, relief valve 3 are located in a cabinet 8.
For ease of cleaning, the end face of fuel tank 4 is provided with opening, and opening establishes fuel tank cap 14.
For reducing volume, be easy to carry, cabinet 8 and fuel tank 4 are fixedly installed side by side.
Working procedure:
Complete after the replacing of replacing clutch operating system associated components until staff, when needing air in removal system, then by vehicle fuse 11 connecting lines or vehicle accumulator connecting line, the both positive and negative polarity of vehicle power supply is connected with the positive and negative terminal 13 on this device panel, namely by the power supply on vehicle for this device provides electric power.This device configuration vehicle fuse 11 connecting lines and vehicle accumulator connecting line, mainly select according to the convenience connected the mode connecting vehicle power supply for user.The power supply indicator 9 connected on power line rear board is bright.With the hydraulic principle of passenger car clutch control system as shown in Figure 5, for passenger car clutch control system, as shown in Figure 6,18 mouthfuls, bolt of the first interface 6 on device and clutch slave cylinder 17 being dropped a hint is connected, and is connected by the second interface 7 with clutch master cylinder 16 filler opening.Confirm that fuel tank 4 inner fluid is enough, then, start this device by power switch 10, motor-driven hydraulic pumps 2 makes fuel tank 4 inner fluid start at clutch operating system Inner eycle.The air in control system is made to enter discharge in fuel tank 4 with fluid by the circulation of fluid.So, after the circulation some time, powered-down switch 10; As shown in Figure 7, clutch master cylinder 16 filler opening is disconnected with device second interface 7 and is connected with lubricating cup 15 in former vehicle, and then starting drive, be shutoff device power switch 10, the then electric power connection line of detaching device and vehicle after making lubricating cup 15 inner fluid reach maximum value.Remove first interface 6 and the connecting pipeline of clutch slave cylinder 17, bolt 18 of dropping a hint is installed.Now clutch pedal must be stepped on, can remove the connecting pipeline of first interface 6 and clutch slave cylinder 17 and install wheel cylinder and to drop a hint relief valve 3 in this device of bolt 18, mainly for preventing because automobile hydraulic system pipeline blockage causes, system pressure is too high causes pipeline leakage.
So, by vehicle power supply for this device is powered, then by maneuver mode, fluid is circulated thus the air existed in removal system in automobile hydraulic system.So, not only increase work efficiency, reduce labor intensity, power owing to have employed vehicle power supply meanwhile, this device lightweight is also convenient to use out of doors.
A kind of portable vehicle oil circulation device shown in above figure and method of work thereof are specific embodiments of the invention; substantive distinguishing features of the present invention and progress are embodied; can according to the use needs of reality; under enlightenment of the present invention; it is carried out to the equivalent modifications of the aspect such as shape, structure, all at the row of the protection domain of this programme.
Claims (8)
1. a portable vehicle oil circulation device, is characterized in that: comprise hydraulic system and electrical system,
Described hydraulic system comprises motor (1), oil hydraulic pump (2), relief valve (3), first interface (6), the second interface (7) and fuel tank (4), described oil hydraulic pump (2) is connected with motor (1), oil hydraulic pump (2) oil outlet is connected with relief valve (3) filler opening by oil pipe, relief valve (3) oil outlet is connected with first interface (6) by oil pipe, relief valve (3) relief port is connected with return line and directly gets back to fuel tank, and the second interface (7) is connected with fuel tank; Described first interface (6) is located at the bottom of fuel tank; Described first interface (6) is located at the top of fuel tank; The return filter (5) connected with the second interface (7) is provided with in fuel tank;
Described electrical system comprise control motor work power switch (10), for connecting positive terminal (12), the negative terminal (13) of power supply.
2. a kind of portable vehicle oil circulation device according to claim 1, is characterized in that: described motor (1), oil hydraulic pump (2), relief valve (3) are located in a cabinet (8).
3. a kind of portable vehicle oil circulation device according to claim 1, it is characterized in that: the panel of described cabinet (8) is established power switch (10), power supply indicator (9), safety fuse cutout (11), positive source wiring terminal (12), power cathode wiring terminal (13), described power switch (10), power supply indicator (9), safety fuse cutout (11) are arranged in series.
4. a kind of portable vehicle oil circulation device according to claim 1, it is characterized in that: the end face of fuel tank (4) is provided with opening, opening establishes fuel tank cap (14).
5. a kind of portable vehicle oil circulation device according to claim 2, is characterized in that: described cabinet (8) and fuel tank (4) are fixedly installed side by side.
6. a kind of portable vehicle oil circulation device according to claim 1, is characterized in that: also comprise storage battery connecting line, and positive source wiring terminal (12), power cathode wiring terminal (13) are connected with vehicle accumulator by storage battery connecting line.
7. a kind of portable vehicle oil circulation device according to claim 1, it is characterized in that: also comprise fuse holder connecting line, positive source wiring terminal (12), power cathode wiring terminal (13) are connected with vehicle fuse seat by vehicle fuse seat connecting line.
8. adopt the method for work of a kind of portable vehicle oil circulation device according to claim 1, it is characterized in that comprising the following steps:
1) complete after the replacing of replacing clutch operating system associated components until staff, when needing air in removal system, by vehicle fuse (11) seat connecting line or vehicle accumulator connecting line, positive and negative terminal (13) is connected with the both positive and negative polarity of corresponding vehicle power supply;
2) bolt (18) mouth of first interface (6) and clutch slave cylinder (17) being dropped a hint is connected, and is connected by the second interface (7) with clutch master cylinder (16) filler opening;
3) by power switch (10) actuating motor (1), motor (1) drives oil hydraulic pump (2) work to make fuel tank (4) inner fluid start at clutch operating system Inner eycle, makes the air in control system enter discharge in fuel tank (4) with fluid by the circulation of fluid; So, after the cycle sets time, powered-down switch (10), clutch master cylinder (16) filler opening is disconnected with device second interface (7) and is connected with lubricating cup (15) in former vehicle, and then by power switch (10) actuating motor (1), lubricating cup (15) inner fluid is increased, powered-down switch (10) after lubricating cup (15) inner fluid reaches maximum value, then remove the electric power connection line with vehicle; Remove first interface (6) and the connecting pipeline of clutch slave cylinder (17), bolt (18) of dropping a hint is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015290.8A CN105443509B (en) | 2015-12-31 | 2015-12-31 | A kind of portable vehicle oil circulation device and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015290.8A CN105443509B (en) | 2015-12-31 | 2015-12-31 | A kind of portable vehicle oil circulation device and its working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443509A true CN105443509A (en) | 2016-03-30 |
| CN105443509B CN105443509B (en) | 2018-10-16 |
Family
ID=55554047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511015290.8A Active CN105443509B (en) | 2015-12-31 | 2015-12-31 | A kind of portable vehicle oil circulation device and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443509B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05254761A (en) * | 1992-03-13 | 1993-10-05 | Mitsubishi Electric Corp | Hydraulic power unit for hydraulic elevator |
| CN2661515Y (en) * | 2003-10-13 | 2004-12-08 | 李春晓 | Brake vacuum assistor of electric car |
| CN201184257Y (en) * | 2008-04-10 | 2009-01-21 | 中国重汽集团济南技术中心有限公司 | Automatic oil pumping exhaust machine |
| CN201338590Y (en) * | 2008-12-17 | 2009-11-04 | 东风汽车有限公司 | Exhaust device of clutch oil circuit |
| CN101654060A (en) * | 2009-09-11 | 2010-02-24 | 北京工业大学 | Mechanic and hydraulic hybrid type power transmission system and control method |
| CN201661554U (en) * | 2010-02-26 | 2010-12-01 | 韩再义 | Minitype portable multifunctional clutch exhauster |
| CN202417865U (en) * | 2011-12-30 | 2012-09-05 | 龙工(上海)机械制造有限公司 | Oiling and venting device for clutch control system |
| CN203511290U (en) * | 2013-10-23 | 2014-04-02 | 黄志海 | Filling and deflating device for clutch hydraulic control system of large bus |
| CN205503629U (en) * | 2015-12-31 | 2016-08-24 | 浙江省送变电工程公司 | Portable vehicle oil circuit circulating device |
-
2015
- 2015-12-31 CN CN201511015290.8A patent/CN105443509B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05254761A (en) * | 1992-03-13 | 1993-10-05 | Mitsubishi Electric Corp | Hydraulic power unit for hydraulic elevator |
| CN2661515Y (en) * | 2003-10-13 | 2004-12-08 | 李春晓 | Brake vacuum assistor of electric car |
| CN201184257Y (en) * | 2008-04-10 | 2009-01-21 | 中国重汽集团济南技术中心有限公司 | Automatic oil pumping exhaust machine |
| CN201338590Y (en) * | 2008-12-17 | 2009-11-04 | 东风汽车有限公司 | Exhaust device of clutch oil circuit |
| CN101654060A (en) * | 2009-09-11 | 2010-02-24 | 北京工业大学 | Mechanic and hydraulic hybrid type power transmission system and control method |
| CN201661554U (en) * | 2010-02-26 | 2010-12-01 | 韩再义 | Minitype portable multifunctional clutch exhauster |
| CN202417865U (en) * | 2011-12-30 | 2012-09-05 | 龙工(上海)机械制造有限公司 | Oiling and venting device for clutch control system |
| CN203511290U (en) * | 2013-10-23 | 2014-04-02 | 黄志海 | Filling and deflating device for clutch hydraulic control system of large bus |
| CN205503629U (en) * | 2015-12-31 | 2016-08-24 | 浙江省送变电工程公司 | Portable vehicle oil circuit circulating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443509B (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019200510A1 (en) | New ultra-high power cementing apparatus integrated with remote control | |
| CN104228809B (en) | Be applied to exhaust gear and the control method of hydraulic braking system for automobile | |
| CN104029596B (en) | Control method for AMT (automated mechanical transmission) power takeoff unit | |
| CN103440962A (en) | Intelligent on-line oil filling vehicle for transformer and oil filling method | |
| CN204077651U (en) | Be applied to the exhaust gear of hydraulic braking system for automobile | |
| CN201338590Y (en) | Exhaust device of clutch oil circuit | |
| CN205503629U (en) | Portable vehicle oil circuit circulating device | |
| CN103697082A (en) | Automatic exhaust system of clutch and exhaust method implemented by automatic exhaust system | |
| CN203715255U (en) | Multi-power source brake fluid filling equipment | |
| CN105443509A (en) | Portable vehicle oil line circulating device and working method thereof | |
| CN203229378U (en) | Brake fluid filling equipment | |
| CN203348221U (en) | Testing machine for fault diagnosis of hydraulic system | |
| CN203172892U (en) | Intelligent aviation oxygen-filling trailer | |
| CN210977713U (en) | Mine car fuel heating and automatic oil circuit conversion system | |
| CN103950406A (en) | Engineering machinery detection breakdown van | |
| CN206634978U (en) | A kind of ultra-thin big structure for cutting automatic exhaust repairing of bilayer | |
| CN201574847U (en) | Oxygen combustion-supporting device of automobile engine | |
| CN204493044U (en) | A kind of common rail motor low pressure oil way blow-off system | |
| CN209320684U (en) | A kind of new-energy automobile dynamical system | |
| CN203423031U (en) | On-line intelligent oil supplementation vehicle for transformer | |
| CN203172599U (en) | Brake fluid replacement machine | |
| CN106517026A (en) | Vehicle self-jacking device | |
| CN202733388U (en) | Energy accumulation type lubricating oil refueling trolley | |
| CN102063831A (en) | Experiment table for injection time sequence of various kinds of fuel for vehicle engines | |
| CN111137255A (en) | Vehicle brake fluid replacement machine and replacement method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |