CN108675189A - A kind of automatic brake vehicle type Operating Pressure equipment balance Winch control system - Google Patents
A kind of automatic brake vehicle type Operating Pressure equipment balance Winch control system Download PDFInfo
- Publication number
- CN108675189A CN108675189A CN201810902619.XA CN201810902619A CN108675189A CN 108675189 A CN108675189 A CN 108675189A CN 201810902619 A CN201810902619 A CN 201810902619A CN 108675189 A CN108675189 A CN 108675189A
- Authority
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- China
- Prior art keywords
- valve
- brake
- winch
- control system
- hydraulic pressure
- 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
- 239000002828 fuel tank Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 13
- 230000008676 import Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/26—Operating devices pneumatic or hydraulic
-
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/001—Servomotor systems with fluidic control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of automatic brake vehicle type Operating Pressure equipment balance Winch control systems.The fuel tank of the control system is connected with No.1 hydraulic pressure pump group, No. two hydraulic pressure pump groups and No. three hydraulic pressure pump groups respectively, No.1 hydraulic pressure pump group and No.1 balance No.1 check valve in control unit and No.1 self-actuating brake control unit is connected, No. two check valves and No. two self-actuating brake control units that No. two hydraulic pressure pump groups are balanced with No. two in control units are connected, No. three hydraulic pressure pump groups are connected with No.1 guide brake valve and No. two guide's brake valves respectively, and fuel tank is connected with pipeline with counterbalance valve and pilot control valve.The control system realizes the hovering lag function of winch in Operating Pressure, can coordinate lower oil tube and downhole tool well with Operating Pressure equipment, and self-actuating brake may be implemented in the automatic brake functions and brake function of going beyond one's commission, system for realizing balance winch.
Description
Technical field：
The present invention relates to petroleum operations special equipment fields, and it is flat to be related specifically to a kind of automatic brake vehicle type Operating Pressure equipment use
Weigh Winch control system.
Background technology：
Balance winch is common equipment in Operating Pressure equipment, and a set of Operating Pressure equipment usually has two sets of balance winches,
For promoting the wellsite operations tool such as lower drain line.In Operating Pressure equipment rountrip, oil pipe, tool etc. are at well head center
Top needs to be in floating state, then is servo-actuated together with hoisting system and rises or decline, in case of emergency can be to winch
It is braked.Common winch does not have hovering function, it is possible that winch raises and decentralizes speed and hoisting system when operation
Phenomena such as speed mismatches occurs, it is therefore possible to lead to that safety accident occurs in operation, especially when under the weights such as oil pipe
When reduction of speed degree is less than hoisting system speed, cause the tenesmus of weight out of control, it is easier to cause safety accident in operation.In addition do not have
There is the winch of automatic brake functions that there is certain security risk during Operating Pressure, when operating personnel's maloperation pilot control
Valve or main overflow valve and when breaking down, operating system cannot automatically brake winch, so as to cause the hair of safety accident
It is raw.
Invention content
The purpose of the present invention is to provide a kind of for conventional winch hydraulic control system and suitable for Operating Pressure
Automatic brake vehicle type Operating Pressure equipment balance Winch control system.Its purpose one is：It is required for solving Operating Pressure
Winch hovering function, lag function and safety braking functions；Purpose two is：Operating Pressure equipment can during realizing Operating Pressure
With servo-actuated lower oil tube and downhole tool；Purpose three is：When hydraulic system breaks down or when maloperation, control system can be with
Automatic braking winch reaches safety work.
To achieve the above object, the technical scheme is that：
A kind of automatic brake vehicle type Operating Pressure equipment balance Winch control system, including：No.1 hydraulic pressure pump group, No. two hydraulic pumps
Group, No. three hydraulic pressure pump groups, counterbalance valve, pilot control valve, control system No.1 balance control unit include：No.1 check valve,
No.1 one-way throttle valve and the main overflow valve of No.1；No. two balance control units include：No. two check valves, No. two one-way throttle valves and
No. two main overflow valves；No.1 self-actuating brake control unit includes：No.1 guide brake valve, No.1 brake valve group, No.1 winch liquid
Press brake and No.1 winch motor；No. two self-actuating brake control units include：No. two guide's brake valves, No. two brake valve groups,
No. two winch liquid braking devices and No. two winch motors, the fuel tank of the control system respectively with No.1 hydraulic pressure pump group, No. two liquid
Press pump group is connected with No. three hydraulic pressure pump groups, No.1 hydraulic pressure pump group pipeline and the No.1 check valve in No.1 balance control unit
It is connected with No.1 self-actuating brake control unit, No. two in No. two hydraulic pressure pump group pipelines and No. two balance control units are unidirectional
Valve and No. two self-actuating brake control units are connected, No. three hydraulic pressure pump groups with pipeline respectively with No.1 guide brake valve and No. two elder generations
It leads brake valve to be connected, fuel tank is connected with pipeline with counterbalance valve and pilot control valve.
The control system No.1 balance control unit in No.1 check valve outlet respectively with No.1 one-way throttle
Valve is connected with the main overflow valve of No.1, the outlet of No.1 one-way throttle valve and the No.1 winch horse of No.1 self-actuating brake control unit
The entrance reached is connected, and the overflow port of the main overflow valve of No.1 is connected with fuel tank, No. two check valves of No. two balance control units
Outlet be connected respectively with No. two one-way throttle valves and No. two main overflow valves, the outlet of No. two one-way throttle valves and No. two it is automatic
No. two winch motor entrances of brake control unit are connected, and the overflow port of No. two main overflow valves is connected with fuel tank.
No.1 guide's brake valve pipeline in the No.1 self-actuating brake control unit of the control system brakes with No.1
Valve group is connected, and No.1 brake valve group is connected with No.1 brake actuator and No.1 winch motor respectively with pipeline, and No. two certainly
No. two guide's brake valves in dynamic brake control unit are connected with pipeline with No. two brake valve groups, No. two brake valve group pipelines
It is connected respectively with No. two winch stop assemblies and No. two winch motors.
The lifting of winch can be realized in the control system without using reversal valve.
The pressure oil inlet of the No.1 brake valve group and No. two brake valve groups of the control system, it is unidirectional to be taken respectively from No.1
The oil inlet of valve and No. two check valves.
The overflow port of No.1 main overflow valve and No. two main overflow valves in the control system, respectively with counterbalance valve, No.1
Winch motor, No. two winch motors decline working hole be connected.
Advantage is the present invention compared with prior art：
1, the control system realizes the hovering lag function of winch in Operating Pressure, can well match with Operating Pressure equipment
Close lower oil tube and downhole tool；
2, the control system realizes the automatic brake functions of balance winch and brake function of going beyond one's commission, operation front opening guide brake
Valve, when system working pressure is higher than minimum operating pressures that, winch normal work, and when operating pressure is less than minimum operating pressures that
Or when because of the system failure leading to system decompression, self-actuating brake may be implemented in system；
3, the control system can make operating personnel carry out operated pilot brake valve to go beyond one's commission control, directly brake, to drawworks brake.
Description of the drawings：
Fig. 1, automatic brake vehicle type Operating Pressure equipment balance winch hydraulic control system configuration schematic diagram figure；
Fig. 2, automatic brake vehicle type Operating Pressure equipment balance winch hydraulic control system functional block diagram.
In figure：1, No.1 hydraulic pressure pump group, 2, No. two hydraulic pressure pump groups, 3, No. three hydraulic pressure pump groups, 4, No.1 guide's brake valve, 5,
No.1 is braked valve group, and 6, check valve, 7, No.1 one-way throttle valve, 8, No.1 winch liquid braking device, 9, No.1 winch motor,
10, the main overflow valve of No.1,11, counterbalance valve, 12, pilot control valve, 13, No. two winch motors, 14, No. two brake valve groups, 15, two
Number winch liquid braking device, 16, No. two guide's brake valves, 17, No. two one-way throttle valves, 18, No. two check valves, 19, No. two masters
Overflow valve, 20, fuel tank, 21, No.1 balance control unit, 22, No. two balance control units.
Specific implementation mode：
Clear, complete description further is carried out to technical scheme of the present invention with reference to the accompanying drawings and examples.
Referring to attached drawing 1-2, by figure it is found that the balance same time control of Winch control system of automatic brake vehicle type Operating Pressure equipment
Make two sets of brake gears, in control system fuel tank 20 respectively with 1, No. two hydraulic pressure pump group 2 of No.1 hydraulic pressure pump group and No. three hydraulic pumps
Group 3 is connected, and No.1 hydraulic pressure pump group 1 balances No.1 check valve 6,7 and of No.1 one-way throttle valve in control unit 21 to No.1
Main 10 fuel feeding of overflow valve of No.1, No. two hydraulic pressure pump groups 2 are unidirectional to No. two check valves 18, two in No. two balance control units 22
Throttle valve 17 and No. two 19 fuel feeding of main overflow valve.No. three hydraulic pressure pump groups 3 give No.1 guide brake valve 4 and No. two guide's brakes respectively
16 fuel feeding of valve.
When control system works, hydraulic oil that No.1 hydraulic pressure pump group 1 is supplied through 6 import A of No.1 check valve at, by with one
The import outflow of the working hole, No.1 one-way throttle valve 7 of the main overflow valve of No.1 that the outlet B of number check valve 6 is connected 10, and one
The outlet E of number one-way throttle valve 7 is connected with the F of No.1 winch motor 9 mouths, and hydraulic oil enters in No.1 winch motor 9, and passes through
The G mouths for crossing No.1 winch motor 9 separately flow into counterbalance valve 11, are flowed out by the overflow port of the main overflow valve of No.1 10, then hydraulic pressure
In oil stream oil return box 20.The main 10 pilot port D of overflow valve of No.1 is connected with pilot control valve 12, by adjusting the main overflow valve of No.1
10 pressure balances winch load weight, improves pressure and realizes that load rises, reduces pressure and realize that load declines, pass through No.1
One-way throttle valve 7 adjusts decrease speed, adjusts magnitude of back pressure by counterbalance valve 11, magnitude of back pressure is according to winch cable friction
Power, suspension hook weight etc. determine.The H confessions that an oil circuit is drawn simultaneously from 6 import A of No.1 check valve to No.1 brake valve group 5 are oily, and one
Number 4 working hole of guide's brake valve connects L mouths of No.1 brake valve group 5, and No.1 is braked the M mouth oil returns of valve group 5, while No.1 brake
The J mouths of valve group 5 connect the G mouths of No.1 brake motor 9, and the K mouths of No.1 brake valve group 5 connect No.1 winch liquid braking device 8.One
Number guide's brake valve 4 has control function of going beyond one's commission, and un-brake before operation, an emergency situation is encountered in operation to brake；One
After number 4 un-brake of guide's brake valve, the pressure of the main overflow valve of No.1 10 is adjusted, when pressure is less than the minimum work that counterbalance valve 11 is set
After pressure, a liquid controlled reversing valve events inside No.1 brake valve group 5, automatically to drawworks brake.Or when hydraulic system goes out
Existing failure, in the case of decompression, the brake H mouth pressure of valve group 5 of No.1 is less than minimum operating pressures that, inside No.1 brake valve group 5
Another liquid controlled reversing valve events, automatically to drawworks brake.
When the another set of control device work in control system, the hydraulic oil that No. two hydraulic pressure pump groups 2 are supplied is through No. two lists
To 18 entrance of valve, by the working hole for No. two main overflow valves 19 being connected with the outlet of No. two check valves 18, No. two it is unidirectional
The import of throttle valve 17 is flowed out, and the outlet of No. two one-way throttle valves 17 is connected with the import of No. two winch motors 13, hydraulic pressure
Oil enters in No. two winch motors 13, and separately flows into counterbalance valve 11 by the outlet of No. two winch motors 13, passes through No. two masters
The overflow port of overflow valve 19 flows out, and then hydraulic oil flows back in fuel tank 20.The pilot port and pilot control of No. two main overflow valves 19
Valve 12 is connected, and winch load weight is balanced by adjusting the pressure of No. two main overflow valves 19, improves pressure and realizes in load
It rises, reduces pressure and realize that load declines, decrease speed is adjusted by No. two one-way throttle valves 17, back pressure is adjusted by counterbalance valve 11
Size, magnitude of back pressure are determined according to winch cable frictional force, suspension hook weight etc..One is drawn simultaneously from No. two 18 imports of check valve
Oil circuit is oily to the H confessions of No. two brake valve groups 14, and No. two 16 working holes of guide's brake valve connect the L mouths of No. two brake valve groups 14,
The M mouth oil returns of No. two brake valve groups 14, while the J mouths of No. two brake valve groups 14 connect the G mouths of No. two brake motors 13, No. two brakes
The K mouths of vehicle valve group 14 connect No. two winch liquid braking devices 15.No. two guide's brake valves 16 have control function of going beyond one's commission, before operation
Un-brake, an emergency situation is encountered in operation to brake；After No. two 16 un-brakes of guide's brake valve, No. two main overflow valves are adjusted
19 pressure, after pressure is less than the minimum operating pressures that counterbalance valve 11 is set, a hydraulic control inside No. two brake valve groups 14
Commutate valve events, automatically to drawworks brake.Or in the case of hydraulic system failure, decompression, the H of No. two brake valve groups 14
Mouth pressure is less than minimum operating pressures that, another liquid controlled reversing valve events inside No. two brake valve groups 14, automatically to winch
Braking.
The combination of all features disclosed in this specification or disclosed all components and connection relation, in addition to arranging mutually
Other than the feature and/or step of reprimand, it can combine in any way.This specification（Including claim, abstract）Middle disclosure
Any feature can be replaced by other alternative features that are equivalent or have similar purpose unless specifically stated.I.e. unless
Especially narration, each feature is an example in a series of equivalent or similar characteristics.
The above is only the non-limiting embodiment of the present invention, a large amount of embodiment can also be derived, for ability
It, can be with not departing from the invention design and under the premise of do not make creative work for the those of ordinary skill in domain
The embodiment of several modifications and improvements is made, these are all within the scope of protection of the present invention.
Claims (6)
1. a kind of automatic brake vehicle type Operating Pressure equipment balance Winch control system, including：No.1 hydraulic pressure pump group（1）, No. two
Hydraulic pressure pump group（2）, No. three hydraulic pressure pump groups（3）, counterbalance valve（11）, pilot control valve（12）, No.1 balance control in control system
Unit processed（21）Including：No.1 check valve（6）, No.1 one-way throttle valve（7）With the main overflow valve of No.1（10）；No. two balance controls
Unit（22）Including；No. two check valves（18）, No. two one-way throttle valves（17）With No. two main overflow valves（19）；No.1 self-actuating brake
Control unit includes：No.1 guide's brake valve（4）, No.1 brake valve group（5）, No.1 winch liquid braking device（8）It is twisted with No.1
Vehicle and horse reach（9）；No. two self-actuating brake control units include：No. two guide's brake valves（16）, No. two brake valve groups（14）, No. two twist
Vehicle liquid braking device（15）With No. two winch motors（13）, it is characterised in that：Fuel tank in the control system（20）Respectively with
No.1 hydraulic pressure pump group（1）, No. two hydraulic pressure pump groups（2）With No. three hydraulic pressure pump groups（3）It is connected, No.1 hydraulic pressure pump group（1）Use pipeline
Control unit is balanced with No.1（21）In No.1 check valve（6）It is connected with No.1 self-actuating brake control unit, No. two hydraulic pressure
Pump group（2）With pipeline and No. two balance control units（22）In No. two check valves（18）With No. two self-actuating brake control unit phases
Connection, No. three hydraulic pressure pump groups（3）With pipeline respectively with No.1 guide's brake valve（4）With No. two guide's brake valves（16）It is connected,
Fuel tank（20）With pipeline and counterbalance valve（11）And pilot control valve（12）It is connected.
2. automatic brake vehicle type Operating Pressure equipment according to claim 1 balance Winch control system, it is characterised in that：
The No.1 of the control system balances control unit（21）Middle No.1 check valve（6）Outlet respectively with No.1 one-way throttle valve
（7）With the main overflow valve of No.1（10）It is connected, No.1 one-way throttle valve（7）Outlet and No.1 self-actuating brake control unit one
Number winch motor（9）Entrance be connected, the main overflow valve of No.1（10）Overflow port and fuel tank（20）It is connected, No. two balance controls
Unit processed（22）No. two check valves（18）Outlet respectively with No. two one-way throttle valves（17）With No. two main overflow valves（19）Phase
Connection, No. two one-way throttle valves（17）Outlet and No. two winch motors of No. two self-actuating brake control units（13）Entrance phase
Connection, No. two main overflow valves（19）Overflow port and fuel tank（20）It is connected.
3. automatic brake vehicle type Operating Pressure equipment according to claim 1 balance Winch control system, it is characterised in that：
No.1 guide's brake valve of No.1 self-actuating brake control unit in the control system（4）With pipeline and No.1 brake valve group
（5）It is connected, No.1 brake valve group（5）With pipeline respectively with No.1 brake actuator（8）With No.1 winch motor（9）It is connected
It is logical, No. two guide's brake valves of No. two self-actuating brake control units（16）With pipeline and No. two brake valve groups（14）It is connected, two
Number brake valve group（14）With pipeline respectively with No. two winch stop assemblies（15）With No. two winch motors（13）It is connected.
4. automatic brake vehicle type Operating Pressure equipment according to claim 1 balance Winch control system, it is characterised in that：
The lifting of winch can be realized in the control system without using reversal valve.
5. automatic brake vehicle type Operating Pressure equipment according to claim 1 or 3 balance Winch control system, feature exist
In：The No.1 brake valve group of the control system（5）With No. two brake valve groups（14）Pressure oil inlet, be taken respectively from No.1 list
To valve（6）With No. two check valves（18）Oil inlet.
6. automatic brake vehicle type Operating Pressure equipment according to claim 1 or 2 balance Winch control system, feature exist
In：The main overflow valve of No.1 of the control system（10）With No. two main overflow valves（19）Overflow port, respectively with counterbalance valve（11）、
No.1 winch motor（9）, No. two winch motors（13）Decline working hole be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902619.XA CN108675189B (en) | 2018-08-09 | 2018-08-09 | Balance winch control system for automatic braking type operation equipment with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902619.XA CN108675189B (en) | 2018-08-09 | 2018-08-09 | Balance winch control system for automatic braking type operation equipment with pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108675189A true CN108675189A (en) | 2018-10-19 |
| CN108675189B CN108675189B (en) | 2024-06-14 |
Family
ID=63815347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810902619.XA Active CN108675189B (en) | 2018-08-09 | 2018-08-09 | Balance winch control system for automatic braking type operation equipment with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108675189B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014193A (en) * | 2021-12-03 | 2022-02-08 | 中船华南船舶机械有限公司 | Control method of winch brake system |
| CN114014191A (en) * | 2021-12-03 | 2022-02-08 | 中船华南船舶机械有限公司 | Hydraulic system of double-insurance winch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3289701A (en) * | 1963-03-04 | 1966-12-06 | Booth Stanley Henshaw | Fluid controlled safety devices for selector valves |
| US3618984A (en) * | 1969-07-28 | 1971-11-09 | Caterpillar Tractor Co | Pilot selector valve for simultaneously controlling separate fluid circuits |
| US3934416A (en) * | 1974-02-25 | 1976-01-27 | Lebus International, Inc. | Central hydraulic system for marine deck equipment |
| JP2003261289A (en) * | 2002-03-08 | 2003-09-16 | Kobelco Contstruction Machinery Ltd | Instant lowering preventive device for hydraulic winch |
| CN104908729A (en) * | 2015-06-16 | 2015-09-16 | 成都东洋机械制造有限公司 | Vehicle double-insurance brake system |
| CN205820780U (en) * | 2016-06-27 | 2016-12-21 | 南京中船绿洲机器有限公司 | The self-stopping anchor winch hydraulic control system of a kind of band |
| CN108180181A (en) * | 2017-12-27 | 2018-06-19 | 湖南响箭重工科技有限公司 | A kind of hydraulic system, the control system based on the hydraulic system and forced stirrer |
| CN208648608U (en) * | 2018-08-09 | 2019-03-26 | 中石化四机石油机械有限公司 | A kind of automatic brake vehicle type Operating Pressure equipment balance Winch control system |
-
2018
- 2018-08-09 CN CN201810902619.XA patent/CN108675189B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3289701A (en) * | 1963-03-04 | 1966-12-06 | Booth Stanley Henshaw | Fluid controlled safety devices for selector valves |
| US3618984A (en) * | 1969-07-28 | 1971-11-09 | Caterpillar Tractor Co | Pilot selector valve for simultaneously controlling separate fluid circuits |
| US3934416A (en) * | 1974-02-25 | 1976-01-27 | Lebus International, Inc. | Central hydraulic system for marine deck equipment |
| JP2003261289A (en) * | 2002-03-08 | 2003-09-16 | Kobelco Contstruction Machinery Ltd | Instant lowering preventive device for hydraulic winch |
| CN104908729A (en) * | 2015-06-16 | 2015-09-16 | 成都东洋机械制造有限公司 | Vehicle double-insurance brake system |
| CN205820780U (en) * | 2016-06-27 | 2016-12-21 | 南京中船绿洲机器有限公司 | The self-stopping anchor winch hydraulic control system of a kind of band |
| CN108180181A (en) * | 2017-12-27 | 2018-06-19 | 湖南响箭重工科技有限公司 | A kind of hydraulic system, the control system based on the hydraulic system and forced stirrer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014193A (en) * | 2021-12-03 | 2022-02-08 | 中船华南船舶机械有限公司 | Control method of winch brake system |
| CN114014191A (en) * | 2021-12-03 | 2022-02-08 | 中船华南船舶机械有限公司 | Hydraulic system of double-insurance winch |
| CN114014191B (en) * | 2021-12-03 | 2023-08-18 | 中船华南船舶机械有限公司 | Hydraulic system of double-insurance winch |
| CN114014193B (en) * | 2021-12-03 | 2023-08-18 | 中船华南船舶机械有限公司 | Control method of winch braking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108675189B (en) | 2024-06-14 |
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