CN110259738A - The truck-mounted drilling rig device of electric car - Google Patents
The truck-mounted drilling rig device of electric car Download PDFInfo
- Publication number
- CN110259738A CN110259738A CN201910569649.8A CN201910569649A CN110259738A CN 110259738 A CN110259738 A CN 110259738A CN 201910569649 A CN201910569649 A CN 201910569649A CN 110259738 A CN110259738 A CN 110259738A
- Authority
- CN
- China
- Prior art keywords
- motor
- valve
- hydraulic pump
- pressure switch
- mouth
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Control Of Transmission Device (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Abstract
A kind of truck-mounted drilling rig device of electric car, including hydraulic pump, hand-operated direction valve, motor, drilling rod, fuel tank, the first check valve, pressure switch, power supply, motor and second one-way valve；First check valve and the oil outlet of second one-way valve are connected to the control mouth K of pressure switch；The pressure switch, power supply and motor are sequentially connected electrically and are formed into a loop；The output shaft of the motor and the input shaft of hydraulic pump are sequentially connected；When the control mouth K of pressure switch is passed through pressure oil, pressure switch is disconnected；In use, the oil inlet of first check valve is connected on the execution mouth A to the oily channel of forward gear clutch of the shift control valve of vehicle；The oil inlet of the second one-way valve is connected on the execution mouth B to the oily channel of retreating gear clutch of the shift control valve of vehicle.Bull stick when driver hangs in forward gear or retreating gear driving conditions accidentally maloperation hand-operated direction valve, which can be achieved, in the present invention to rotate.
Description
Technical field
The present invention relates to a kind of automobile, in particular to the truck-mounted drilling rig device of a kind of electric car.
Background technique
The truck-mounted drilling rig device of automobile is mounted on automobile, is mainly used to drill, since automobile movement is more convenient, thus
The truck-mounted drilling rig device movement being mounted on automobile is also more convenient, can satisfy different places in this way and is required to wanting for punching
It asks.The truck-mounted drilling rig device of the automobile of the prior art is as shown in figure 3, including hydraulic pump 43, hand-operated direction valve 52, motor 53, boring
The oil inlet of bar 54 and fuel tank 45, hydraulic pump 43 is connected to fuel tank 45, the oil outlet of hydraulic pump 43 and hand-operated direction valve 52 into
Hydraulic fluid port P connection, the execution mouth A of hand-operated direction valve 52 are connected to the oil inlet of motor 53, the oil outlet T and vapour of hand-operated direction valve 52
Fuel tank connection on vehicle, drilling rod 54 is sequentially connected by the output shaft 53-1 of shaft coupling and motor 53, when needing to punch, is only needed
Hand-operated direction valve 52 is operated, communicates the oil inlet P of hand-operated direction valve 52 with mouth A is executed, the pressure oil in hydraulic pump 43 will
Into motor 53, the output shaft 53-1 of motor 53 is rotated, turned to drive with what the output shaft 53-1 of motor 53 was sequentially connected
54 synchronous rotary of bar, can complete bore operation in this way.Driver often occurs in practice and hangs forward gear or retreating gear driving
In the process, accidentally under normal circumstances, hand-operated direction valve 52 executes mouth A and oil outlet T to maloperation hand-operated direction valve 52(when driving
Connection), communicate the oil inlet P of hand-operated direction valve 52 with mouth A is executed, at this moment the pressure oil in hydraulic pump 43 will enter motor
53, rotate motor 53, then drive bull stick 54 to rotate by motor 53, the bull stick 54 rotated in such driving conditions is easy for hurting
People and object, it is also very dangerous.
Summary of the invention
It is an object of the invention to propose that a kind of driver hangs accidentally maloperation in forward gear or retreating gear driving conditions
The truck-mounted drilling rig device for the electric car that bull stick will not rotate when hand-operated direction valve.
To achieve the goals above, the technical scheme is that a kind of truck-mounted drilling rig device of electric car, including liquid
Press pump, hand-operated direction valve, motor, drilling rod and fuel tank；The motor includes output shaft；The oil inlet and fuel tank of the hydraulic pump connect
Logical, the oil outlet of hydraulic pump is connected to the oil inlet P of hand-operated direction valve, the oil inlet of execution the mouth A and motor of hand-operated direction valve
Connection；The transmission connection of the output shaft of the drilling rod and motor；
It further include the first check valve, pressure switch, power supply, motor and second one-way valve；First check valve and second is unidirectionally
The oil outlet of valve is connected to the control mouth K of pressure switch；The pressure switch, power supply and motor are sequentially connected electrically and are formed back
Road；The output shaft of the motor and the input shaft of hydraulic pump are sequentially connected；When the control mouth K of pressure switch is passed through pressure oil,
Pressure switch disconnects；In use, the oil inlet of first check valve is connected to the execution mouth A of the shift control valve of vehicle to preceding
Into on the oily channel of gear clutch；The oil inlet of the second one-way valve is connected to the execution mouth B of the shift control valve of vehicle extremely
On the oily channel of retreating gear clutch.
The fuel tank to hydraulic pump oil inlet oily channel be equipped with filter.
The oil outlet of the hydraulic pump to the oily channel of fuel tank is equipped with safety valve.
The output shaft of the motor is sequentially connected by the input shaft of shaft coupling and hydraulic pump.
The present invention has following good effect: (1), due to the oil outlet of the first check valve and second one-way valve of the invention
It is connected to the control mouth K of pressure switch；Pressure switch, power supply and motor are sequentially connected electrically and are formed into a loop；The output of motor
The transmission connection of the input shaft of axis and hydraulic pump；When the control mouth K of pressure switch is passed through pressure oil, pressure switch is disconnected；It uses
When, the oil inlet of the first check valve is connected on the execution mouth A to the oily channel of forward gear clutch of the shift control valve of vehicle；
The oil inlet of second one-way valve is connected on the execution mouth B to the oily channel of retreating gear clutch of the shift control valve of vehicle, because
And when driver hangs in forward gear or retreating gear driving conditions accidentally maloperation hand-operated direction valve, make the oil inlet of hand-operated direction valve
When mouth P is communicated with execution mouth A, at this moment the pressure oil in hydraulic pump enters forward gear clutch 41 or retreating gear clutch, simultaneously
Pressure oil in hydraulic pump can also enter the control mouth K of pressure switch by the first check valve or second one-way valve, and pressure is opened
The control mouth K of pass is passed through pressure oil, and pressure switch disconnects, and at this moment the output shaft of motor no longer rotates, and can not drive and motor
Output shaft transmission connection hydraulic pump input shaft rotation, such hydraulic pump cannot pressure oil output, also without pressure oil
Into motor, the output shaft of motor would not rotate, and will not drive rotation synchronous with the bull stick of the output shaft of motor transmission connection
Turn, i.e., electric car is hung in forward gear or retreating gear driving process, even if driver's maloperation hand-operated direction valve, makes manual reverse of direction
The oil inlet P of valve is communicated with mouth A is executed, and bull stick will not rotate, and just be not easy to hurt people and object, very safe.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the schematic diagram of the stopping device of the vehicle of the prior art；
Fig. 3 is the schematic diagram of the truck-mounted drilling rig device of the prior art；
Fig. 4 is the stopping device catenation principle figure of the present invention with vehicle.
Appended drawing reference in above-mentioned attached drawing is as follows: the first check valve 1, pressure switch 2, power supply 3, motor 4, second one-way valve
5, shaft coupling 6, shift control valve 40, control stick 40-1, forward gear clutch 41, retreating gear clutch 42, hydraulic pump 43, filtering
Device 44, fuel tank 45, safety valve 46, hand-operated direction valve 52, motor 53, output shaft 53-1, drilling rod 54.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
As shown in Figure 1, a kind of truck-mounted drilling rig device of electric car, including hydraulic pump 43, hand-operated direction valve 52, motor
53, drilling rod 54 and fuel tank 45；The motor 53 includes output shaft 53-1；The oil inlet of the hydraulic pump 43 is connected to fuel tank 45,
The oil outlet of hydraulic pump 43 is connected to the oil inlet P of hand-operated direction valve 52, hand-operated direction valve 52 execute mouth A and motor 53 into
Hydraulic fluid port connection；The drilling rod 54 is sequentially connected by the output shaft 53-1 of shaft coupling and motor 53；
It further include the first check valve 1, pressure switch 2, power supply 3, motor 4 and second one-way valve 5；Pressure switch 2 selects model
The pressure switch of DNM-03P-100K-21B.Motor 4 selects the model HRS- of Shaoxing constant force Electric Machine Co., Ltd production
The motor of 555PH.First check valve 1 and the oil outlet of second one-way valve 5 are connected to the control mouth K of pressure switch 2；Institute
Pressure switch 2, power supply 3 and motor 4 is stated to be sequentially connected electrically and be formed into a loop；The output shaft of the motor 4 is defeated with hydraulic pump 43
Enter axis to be sequentially connected by shaft coupling 6；When the control mouth K of pressure switch 2 is passed through pressure oil, pressure switch 2 is disconnected；At this moment electric
The output shaft of machine 4 no longer rotates.When the control mouth K of pressure switch 2 is not passed through pressure oil, pressure switch 2 is connected, at this moment electric
The output shaft of machine 4 starts to rotate, and drives the input shaft synchronous rotary for the hydraulic pump 43 being sequentially connected with the output shaft of motor 4,
At this moment hydraulic pump 43 can be with pressure oil output.In the use of the present invention, need to be used cooperatively with the stopping device on vehicle, it is existing
The stopping device of technology is as shown in Fig. 2, include shift control valve 40, forward gear clutch 41, retreating gear clutch 42 and hydraulic
Pump 43, shift control valve 40 include control stick 40-1, and the oil inlet P of shift control valve 40 is connected to the oil outlet of hydraulic pump 43,
The execution mouth A of shift control valve 40 is connected to forward gear clutch 41, the execution mouth B and retreating gear clutch of shift control valve 40
The control stick 40-1 of 42 connections, shift control valve 40 is connect by flexible axle with the gear selector for being located at driver's cabin.Work as driver
Operation is located at the gear selector of driver's cabin, is allowed to hang on forward gear, and flexible axle drives the control stick 40-1 of shift control valve 40
Movement communicates the oil inlet P of shift control valve 40 with mouth A is executed, and the pressure oil in hydraulic pump 43 enters forward gear clutch
41, forward gear clutch 41 is in bonding state, and in conjunction with advance shaft, vehicle can advance line shaft.When driver's operative position
It is allowed to hang in retreating gear in the gear selector of driver's cabin, the oil inlet P of shift control valve 40 is communicated with mouth B is executed, and is retreated
Gear clutch 42 is in bonding state, and in conjunction with retrogressing axis, vehicle can retreat line shaft.When driver's operation is located at driver's cabin
Gear selector be allowed to hang in neutral gear, the oil inlet P of shift control valve 40 and execute mouth A and execution mouth B is not communicated with, it is preceding
It is in discrete state into gear clutch 41 and retreating gear clutch 42, vehicle can neither advance, and can not retreat.Such as Fig. 4 institute
Show, in use, the oil inlet of first check valve 1 be connected to the execution mouth A of the shift control valve 40 of vehicle to forward gear from
On the oily channel of clutch 41；That is the execution mouth A of the oil inlet of the first check valve 1 and shift control valve 40 is to forward gear clutch 41
Oily channel communicate.The oil inlet of the second one-way valve 5 is connected to the execution mouth B of the shift control valve 40 of vehicle to retreating gear
On the oily channel of clutch 42.That is the execution mouth B of the oil inlet of second one-way valve 5 and shift control valve 40 is to retreating gear clutch
42 oily channel communicates.
The fuel tank 45 to hydraulic pump 43 oil inlet oily channel be equipped with filter 44.
The oil outlet of the hydraulic pump 43 to the oily channel of fuel tank 45 is equipped with safety valve 46.
The output shaft of the motor 4 is sequentially connected by the input shaft of shaft coupling 6 and hydraulic pump 43.
Working principle of the present invention is as follows: as shown in figure 4, accidentally accidentally being grasped when driver hangs in forward gear driving conditions
Make hand-operated direction valve 52, when communicating the oil inlet P of hand-operated direction valve 52 with execution mouth A, at this moment since vehicle hangs over forward gear
On, thus the oil inlet P of shift control valve 40 is communicated with execution mouth A, the pressure oil in hydraulic pump 43 enters forward gear clutch
41, while the pressure oil in hydraulic pump 43 can also enter the control mouth K of pressure switch 2, pressure switch by the first check valve 1
2 control mouth K is passed through pressure oil, and pressure switch 2 disconnects, and at this moment the output shaft of motor 4 no longer rotates, and can not drive and motor
4 output shaft transmission connection hydraulic pump 43 input shaft rotation, such hydraulic pump 43 cannot pressure oil output, at this moment, i.e.,
It communicates the oil inlet P of hand-operated direction valve 52 with mouth A is executed, also enters motor 53, the output shaft 53- of motor 53 without pressure oil
1 would not rotate, and will not drive 54 synchronous rotary of bull stick with the output shaft 53-1 of motor 53 transmission connection, i.e. electric car
It hangs in forward gear driving process, even if driver's maloperation hand-operated direction valve 52, makes the oil inlet P and execution of hand-operated direction valve 52
Mouth A is communicated, and bull stick 54 will not rotate, and just be not easy to hurt people and object, very safe.
When driver hangs accidentally maloperation hand-operated direction valve 52 in retreating gear driving conditions, make hand-operated direction valve 52 into
When hydraulic fluid port P is communicated with execution mouth A, at this moment since vehicle is hung in retreating gear, thus the oil inlet P and execution of shift control valve 40
Mouth B is communicated, and the pressure oil in hydraulic pump 43 enters retreating gear clutch 42, while the pressure oil in hydraulic pump 43 can also pass through
Second one-way valve 5 enters the control mouth K of pressure switch 2, and the control mouth K of pressure switch 2 is passed through pressure oil, and pressure switch 2 disconnects,
At this moment the output shaft of motor 4 just no longer rotates, and can not drive the input with the hydraulic pump 43 of the output shaft of motor 4 transmission connection
Axis rotation, such hydraulic pump 43 are unable to pressure oil output, at this moment, even if the oil inlet P of hand-operated direction valve 52 and execution mouth A phase
It is logical, also enter motor 53 without pressure oil, the output shaft 53-1 of motor 53 would not rotate, and will not drive defeated with motor 53
54 synchronous rotary of bull stick of shaft 53-1 transmission connection, i.e. electric car are hung in retreating gear driving process, even if driver accidentally grasps
Make hand-operated direction valve 52, communicates the oil inlet P of hand-operated direction valve 52 with mouth A is executed, bull stick 54 will not rotate, and just be not easy
People and object are hurt, it is very safe.
When needing to drill, at this moment electric car has stopped traveling, i.e., electric car has been hung in neutral gear, shift control valve
40 oil inlet P with execute mouth A and execution mouth B is not communicated with, the at this moment oil inlet of the first check valve 1 and second one-way valve 5
Oil inlet will not be passed through pressure oil, and the control mouth K of pressure switch 2 is also entered without pressure oil, and pressure switch 2 is connected, at this moment
The output shaft of motor 4 can rotate, and can also drive and rotate with the input shaft of the hydraulic pump 43 of the output shaft of motor 4 transmission connection,
43 energy pressure oil output of hydraulic pump, driver operate hand-operated direction valve 52, make the oil inlet P of hand-operated direction valve 52 and hold in this way
Row mouth A is communicated, and pressure oil just can enter motor 53, and the output shaft 53-1 of motor 53 will rotate, and is driven defeated with motor 53
54 synchronous rotary of bull stick of shaft 53-1 transmission connection, just can be carried out bore operation.
Claims (4)
1. a kind of truck-mounted drilling rig device of electric car, including hydraulic pump (43), hand-operated direction valve (52), motor (53), drilling rod
(54) and fuel tank (45)；The motor (53) includes output shaft (53-1)；The oil inlet of the hydraulic pump (43) and fuel tank (45)
Connection, the oil outlet of hydraulic pump (43) are connected to the oil inlet P of hand-operated direction valve (52), the execution mouth A of hand-operated direction valve (52)
It is connected to the oil inlet of motor (53)；The output shaft (53-1) of the drilling rod (54) and motor (53) is sequentially connected；Its feature exists
In:
It further include the first check valve (1), pressure switch (2), power supply (3), motor (4) and second one-way valve (5)；Described first is single
It is connected to valve (1) and the oil outlet of second one-way valve (5) with the control mouth K of pressure switch (2)；The pressure switch (2), electricity
Source (3) and motor (4) are sequentially connected electrically and are formed into a loop；The output shaft of the motor (4) and the input shaft of hydraulic pump (43) pass
Dynamic connection；When the control mouth K of pressure switch (2) is passed through pressure oil, pressure switch (2) is disconnected；In use, described first is unidirectional
The oil inlet of valve (1) is connected on the execution mouth A to the oily channel of forward gear clutch (41) of the shift control valve (40) of vehicle；
The oil inlet of the second one-way valve (5) is connected to the execution mouth B of the shift control valve (40) of vehicle to retreating gear clutch
(42) on oily channel.
2. the truck-mounted drilling rig device of electric car according to claim 1, it is characterised in that: the fuel tank (45) is extremely hydraulic
The oily channel for pumping the oil inlet of (43) is equipped with filter (44).
3. the truck-mounted drilling rig device of electric car according to claim 1, it is characterised in that: the hydraulic pump (43) goes out
Hydraulic fluid port to the oily channel of fuel tank (45) is equipped with safety valve (46).
4. the truck-mounted drilling rig device of electric car according to claim 1, it is characterised in that: the output of the motor (4)
Axis is sequentially connected by the input shaft of shaft coupling (6) and hydraulic pump (43).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569649.8A CN110259738B (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
| CN202011038007.4A CN112145674A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
| CN202011038010.6A CN112145675A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569649.8A CN110259738B (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038010.6A Division CN112145675A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
| CN202011038007.4A Division CN112145674A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259738A true CN110259738A (en) | 2019-09-20 |
| CN110259738B CN110259738B (en) | 2020-11-06 |
Family
ID=67922518
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038007.4A Withdrawn CN112145674A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
| CN202011038010.6A Withdrawn CN112145675A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
| CN201910569649.8A Active CN110259738B (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011038007.4A Withdrawn CN112145674A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
| CN202011038010.6A Withdrawn CN112145675A (en) | 2019-06-27 | 2019-06-27 | Vehicle-mounted drilling machine device of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN112145674A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190501A (en) * | 2006-11-21 | 2008-06-04 | 河南新机股份有限公司 | Pressure-limiting device of steel ball finishing machine |
| CN201390248Y (en) * | 2008-12-31 | 2010-01-27 | 众泰控股集团有限公司 | Brake system of electric vehicle |
| CN106640614A (en) * | 2016-12-27 | 2017-05-10 | 常州科研试制中心有限公司 | Control system for vacuum pump of suction-type sewer scavenger |
| CN108533730A (en) * | 2018-07-01 | 2018-09-14 | 袁菊花 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
| CN108612477A (en) * | 2018-05-06 | 2018-10-02 | 刘剑 | Truck-mounted drilling rig device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6891104B2 (en) * | 2015-09-28 | 2021-06-18 | 株式会社クボタ | Work machine hydraulic system |
| CN109484381A (en) * | 2018-11-04 | 2019-03-19 | 刘剑 | The gear and brake linkage of vehicle |
-
2019
- 2019-06-27 CN CN202011038007.4A patent/CN112145674A/en not_active Withdrawn
- 2019-06-27 CN CN202011038010.6A patent/CN112145675A/en not_active Withdrawn
- 2019-06-27 CN CN201910569649.8A patent/CN110259738B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190501A (en) * | 2006-11-21 | 2008-06-04 | 河南新机股份有限公司 | Pressure-limiting device of steel ball finishing machine |
| CN201390248Y (en) * | 2008-12-31 | 2010-01-27 | 众泰控股集团有限公司 | Brake system of electric vehicle |
| CN106640614A (en) * | 2016-12-27 | 2017-05-10 | 常州科研试制中心有限公司 | Control system for vacuum pump of suction-type sewer scavenger |
| CN108612477A (en) * | 2018-05-06 | 2018-10-02 | 刘剑 | Truck-mounted drilling rig device |
| CN108533730A (en) * | 2018-07-01 | 2018-09-14 | 袁菊花 | The linkage control device of the shifting-position mechanism and vacuum pump control mechanism of suction-type sewer scavenger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112145675A (en) | 2020-12-29 |
| CN112145674A (en) | 2020-12-29 |
| CN110259738B (en) | 2020-11-06 |
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