CN202880732U - Hydraulic system for linear winch - Google Patents
Hydraulic system for linear winch Download PDFInfo
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- CN202880732U CN202880732U CN 201220484641 CN201220484641U CN202880732U CN 202880732 U CN202880732 U CN 202880732U CN 201220484641 CN201220484641 CN 201220484641 CN 201220484641 U CN201220484641 U CN 201220484641U CN 202880732 U CN202880732 U CN 202880732U
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Abstract
The utility model relates to a hydraulic system for a linear winch. The linear winch comprises a winding machine. The hydraulic system comprises two main pumps, two pump groups, a control valve group and an oil cylinder group. The control valve group comprises a main valve group, a clamping valve group and a winding valve group. Each of the two pump groups comprises a clamping oil pump and a winding oil pump. The oil cylinder group comprises a main push oil cylinder and a clamping oil cylinder, the two main pumps are both connected to the main push oil cylinder through the main valve group to drive the main push oil cylinder to move, each clamping oil pump is connected to the clamping oil cylinder through the clamping valve group to drive the clamping oil cylinder to move, and each winding oil pump is connected to the winding machine through the winding valve group to drive the winding machine to move. The hydraulic system for the linear winch has the advantages that two sets of power resources are adopted, the two sets of power resources work in a combined mode under normal working conditions, and in the state that one of the two sets of power resources breaks down, the other set of power resource can effectively guarantee an operation process.
Description
Technical field
The utility model relates to a kind of hydraulic efficiency pressure system, refers to especially a kind of hydraulic efficiency pressure system for the line style winch.
Background technology
At present, the typical hydraulic system on the line style winch of prior art as shown in Figure 1.This system comprises: fuel tank 1, main pump 2, low pressure pump group 3, control pump 4, main valve group 5, control cock group 6, cooling valve group 7, Fill valve group 8, winch valve group 9, oil cylinder group, driving engine 12 and gear case 13.Wherein, the oil cylinder group comprises the first oil cylinder group 10, the second oil cylinder group 11, the first oil cylinder group 10, the second oil cylinder group 11 includes separately promotes mainly oil cylinder and clamping oil cylinder, driving engine 12 is by gear case 13 and main pump 2, low pressure pump group 3, control pump 4 connects to drive each pump work, fuel tank 1 is each oil pump feed, the oil outlet of main pump 2 is connected with the oil inlet of main valve group 5, the oil outlet of main valve group 5 is connected with the oil cylinder of promoting mainly of oil cylinder group, the control port of the oil outlet of low pressure pump group 3 and control cock group 6, the oil inlet of cooling valve group 7, the oil inlet of Fill valve group 8, the oil inlet of winch valve group 9 connects.
The principle of work of above-mentioned hydraulic efficiency pressure system is: lower in working order, driving engine 12 drives main pump 2, low pressure pump group 3, control pump 4 work by gear case 13, promotes mainly the action that oil cylinder is promoted mainly in oil cylinder control thereby main pump 2 is connected to by main valve group 5; Thereby thereby thereby low pressure pump group 3 is connected to by Fill valve 8 respectively to be promoted mainly oil cylinder control and promotes mainly the oil mass of the epitrochoidal chamber of oil cylinder and replenish, be connected to the mode of operation of forced air cooler control forced air cooler, be connected to the work of warping winch control warping winch by winch valve group 9 by cooling valve group 7; Thereby control pump 4 is connected to the action of clamping oil cylinder control clamping oil cylinder by control cock group 6.
Because what above-mentioned hydraulic efficiency pressure system adopted is single pump work mode, when driving engine in the engineering construction process or oil pump et out of order, producing just can only be stranded, does not have emergency mode.And the main valve group only is the action commutation to the control of promoting mainly oil cylinder of oil cylinder group, can not control and eliminate the asynchronous problem of two oil cylinders, promote mainly in the oil cylinder commutation course of action in the oil cylinder group simultaneously, main pump needs to supply with two group oil cylinder groups always and promotes mainly the required flow of cylinder action, and main pump is operated at full capacity always like this.
The utility model content
The technical matters that the utility model solves is to overcome the shortcoming that the hydraulic efficiency pressure system of prior art exists single pump operation not meet an urgent need, a kind of hydraulic efficiency pressure system of separate double pump fuel feeding is provided, described line style winch comprises cable picking and laying machine, it is characterized in that, described hydraulic efficiency pressure system comprises two main pumps, two groups of pump groups, the control cock group, the oil cylinder group, every group of pump group in described two groups of pump groups includes: clamp oil pump and cable rolling oil pump, described control cock group comprises: the main valve group, the pinched valve group, cable rolling valve group, described oil cylinder group comprises promotes mainly oil cylinder and clamping oil cylinder
Described two main pumps all are connected to the described oil cylinder of promoting mainly to drive the described cylinder action of promoting mainly by described main valve group, described clamping oil pump is connected to described clamping oil cylinder to drive described clamping oil cylinder action by described pinched valve group, and described cable rolling oil pump is connected to described cable picking and laying machine to drive described cable picking and laying machine action by described cable rolling valve group.
As preferably, also comprise hydraulic lock and synchronous motor, described main pump passes through safety valve, pressure regulating valve is connected with described main valve group, described main valve group comprises the first change-over valve, the second change-over valve and with described the first change-over valve, the 3rd change-over valve that described the second change-over valve connects respectively, described the first change-over valve, described the second change-over valve the first actuator port separately all be connected the oil inlet of synchronous motor and connect, described the first change-over valve, described the second change-over valve the second actuator port separately be connected the oil inlet of hydraulic lock and connect, the oil outlet of described synchronous motor is connected with described the first epitrochoidal chamber of promoting mainly oil cylinder, and the oil outlet of described hydraulic lock is connected with described the second epitrochoidal chamber of promoting mainly oil cylinder by governor valve.
As further preferred, every group of pump group in described two groups of pump groups also includes guide's oil pump, described control cock group also comprises priority valve, described guide's oil pump is connected by the control port of safety valve with described cable rolling valve group, described guide's oil pump is connected to described hydraulic lock by described priority valve, wherein, the second actuator port of described priority valve is connected with the control port of described hydraulic lock.
As preferably, described cable picking and laying machine comprises the cable picking and laying machine motor, described cable rolling valve group comprises the 4th change-over valve and the 5th change-over valve, the first actuator port of described the 4th change-over valve is in parallel with the second actuator port of the 5th change-over valve, the second actuator port of described the 4th change-over valve is in parallel with the first actuator port of the 5th change-over valve, the first actuator port of described the 4th change-over valve is connected with the oil inlet of described cable picking and laying machine motor, and the second actuator port of described the 4th change-over valve is connected with the oil outlet of described cable picking and laying machine motor.
As preferably, described pinched valve group comprises the 6th change-over valve and the 7th change-over valve, described the 6th change-over valve be connected first actuator port of each change-over valve of the 7th change-over valve and all be connected by second epitrochoidal chamber of governor valve with the clamping oil cylinder of oil cylinder group, described the 6th change-over valve be connected second actuator port of each change-over valve of the 7th change-over valve and all be connected by first epitrochoidal chamber of governor valve with the clamping oil cylinder of oil cylinder group.
As preferably, every group of pump group in described two groups of pump groups also includes the repairing oil pump, described valve group also comprises the Fill valve group, described oil cylinder group comprises the first oil cylinder group and the second oil cylinder group, described the first oil cylinder group comprises that first promotes mainly oil cylinder and the first clamping oil cylinder, described the second oil cylinder group comprises that second promotes mainly oil cylinder and the second clamping oil cylinder, described repairing oil pump is connected with described Fill valve group, described Fill valve group comprises the 8th change-over valve and the 9th change-over valve of mutual series connection, the second actuator port of described the 8th change-over valve is connected with described second the second epitrochoidal chamber of promoting mainly oil cylinder, and the first actuator port of described the 9th change-over valve is connected with described first the second epitrochoidal chamber of promoting mainly oil cylinder.
As preferably, also comprise the forced air cooler with forced air cooler motor, every group of pump group in described two groups of pump groups also includes air-cooled control oil pump, described control cock group also comprises air-cooled valve group, described air-cooled control oil pump is connected with described forced air cooler by described air-cooled valve group, described air-cooled valve group comprises safety valve parallel with one another and the tenth change-over valve, the second actuator port of described the tenth change-over valve is connected with the oil inlet of described forced air cooler motor, and the oil outlet of described safety valve is connected with the oil outlet of described forced air cooler motor.
As preferably, between described clamping oil pump and the described pinched valve group, be respectively arranged with safety valve between described cable rolling oil pump and the described cable rolling valve group.
As preferably, described line style winch also comprises driving engine, described driving engine by auxiliary gear box respectively with described main pump be connected two groups of pump groups and be connected.
Described in the utility model being compared with existing technology has following beneficial effect:
Can find out from technique scheme, the utility model makes improvements in system circuit, adopts two cover propulsions source, two cover propulsion source interflow work under normal operation, having under the cover propulsion source accident condition, but guaranteeing work, another set of propulsion source actv. carries out.
In addition, in promoting mainly hydraulic circuit, increase the use of synchronous motor, can effectively control and eliminate the asynchronous of two oil cylinders, guaranteed steady, the safe work of system.
Simultaneously, utilize the control cock group of feed circuit to form local closed fhdraulic system with the oil circuit overlap joint of promoting mainly the loop, when being stretched out, the first clamp oil cylinder utilize the fluid of oil cylinder oil back chamber to promote the second clamp oil cylinder retraction, so just provide pressure oil to order about the second clamp oil cylinder retraction without propulsion source, the maximized advantage of utilizing hydraulic closed-circuit has been saved power consumption.
Description of drawings
Fig. 1 is the structural representation of the hydraulic efficiency pressure system that is used for the line style winch of prior art.
Fig. 2 is the structural representation of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model.
Fig. 3 is the scheme drawing of change-over valve of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model.
Fig. 4 is the scheme drawing of pump group of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model.
Fig. 5 is the part scheme drawing that the main valve group of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model connects.
Fig. 6 is the part scheme drawing that the cable rolling valve group of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model connects.
Fig. 7 is the part scheme drawing that the pinched valve group of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model connects.
Fig. 8 is the part scheme drawing that the Fill valve group of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model connects.
Fig. 9 is the part scheme drawing that the air-cooled valve group of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model connects.
Main Reference numeral
1-driving engine 2-auxiliary gear box 3-main pump
The air-cooled safety valve of 4-pump group 5-air-cooled valve group 51-
52-the tenth change-over valve 6-forced air cooler 7-cable rolling safety valve group
8-main valve group 81-the first change-over valve 82-the second change-over valve
83-the 3rd change-over valve 91-the 8th change-over valve
92-the 9th change-over valve 10-priority valve
11-pinched valve group 111-the 6th change-over valve 112-the 7th change-over valve
12-cable rolling valve group 121-the 4th change-over valve 122-the 5th change-over valve
13-cable picking and laying machine 14-synchronous motor
15-the first oil cylinder group 151-first promotes mainly oil cylinder 152-the first clamping oil cylinder
16-the second oil cylinder group 161-second promotes mainly oil cylinder 162-the second clamping oil cylinder
17-hydraulic lock 18-main pump safety valve group
19-main pump pressure regulating valve group 20-main pump governor valve 401-guide oil pump
402-cable rolling oil pump 403-clamps oil pump 404-repairing oil pump
The air-cooled oil pump of 405-
The specific embodiment
Be the convenience of describing, as shown in Figure 3, hereinafter the first actuator port of mentioned change-over valve refers to the A hydraulic fluid port among the embodiment, and the second actuator port of change-over valve refers to the B hydraulic fluid port.
Fig. 2 is the structural representation of the hydraulic efficiency pressure system that is used for the line style winch of an embodiment of the present utility model.The line style winch comprises cable picking and laying machine 13 and driving engine 1, hydraulic efficiency pressure system comprises two main pumps 3, two groups of pump groups 4, the control cock group, the first oil cylinder group 15 and the second oil cylinder group 16, two hydraulic lock 17, two synchronous motors 14, as shown in Figure 4, every group of pump group 4 includes: clamp oil pump 403, cable rolling oil pump 402, guide's oil pump 401, repairing oil pump 404, air-cooled control oil pump 405, the control cock group comprises: main valve group 8, pinched valve group 11, cable rolling valve group 12, priority valve 10, air-cooled valve group 5 and Fill valve group, driving engine 1 by auxiliary gear box 2 respectively with main pump 3 with are connected group pump group 4 and are connected.
Guide's oil pump 401 is connected by the control port of safety valve with cable rolling valve group 12, guide's oil pump 401 is connected respectively to two hydraulic lock 17 by priority valve 10, wherein, priority valve 10 adopts change-over valve, and the second actuator port of priority valve 10 is connected with the control port of two hydraulic lock 17 respectively.
Two main pumps 3 are all by main pump safety valve group 18, main pump pressure regulating valve group 19 is connected with main valve group 8, as shown in Figure 5, main valve group 8 comprises the first change-over valve 81, the second change-over valve 82 and with the first change-over valve 81, the 3rd change-over valve 83 that the second change-over valve 82 connects respectively, the first change-over valve 81, the second change-over valve 82 the first actuator port separately respectively with are connected the oil inlet of a synchronous motor 14 and connect, the first change-over valve 81, the second change-over valve 82 the second actuator port separately respectively with are connected the oil inlet of a hydraulic lock 17 and connect, the oil outlet of two synchronous motors 14 is promoted mainly oil cylinder 151 and is connected the first epitrochoidal chamber (rodless cavity) of promoting mainly oil cylinder 161 and is connected with first respectively, and the oil outlet of two hydraulic lock 17 is promoted mainly oil cylinder 151 and is connected the second epitrochoidal chamber (rod chamber) of promoting mainly oil cylinder 161 and is connected by corresponding two main pump governor valves 20 and first respectively.This is arranged on to promote mainly in the hydraulic circuit increases synchronous motor 14, thereby eliminates asynchronous between oil cylinder, and the assurance system steadily works safely.
Cable picking and laying machine 13 comprises the cable picking and laying machine motor, cable rolling oil pump 402 is connected to cable rolling valve group 12 by cable rolling safety valve group 7, wherein as shown in Figure 6, cable rolling valve group 12 comprises the 4th change-over valve 121 and the 5th change-over valve 122, the first actuator port of the 4th change-over valve 121 is in parallel with the second actuator port of the 5th change-over valve 122, the second actuator port of the 4th change-over valve 121 is in parallel with the first actuator port of the 5th change-over valve 122, the first actuator port of the 4th change-over valve 121 is connected with the oil inlet of cable picking and laying machine motor, and the second actuator port of the 4th change-over valve 121 is connected with the oil outlet of cable picking and laying machine motor.Cable picking and laying machine cable rolling process: the 4th change-over valve 121 commutations of cable rolling valve group 12, thereby the action of controlling the cable picking and laying machine motor by the working oil path at the 4th change-over valve 121 places realizes cable rolling, can also be provided for controlling the pressure relay of openings of sizes of change-over valve on the working oil path of the 4th change-over valve 121 to realize the speed of control cable picking and laying machine cable rolling; The cable picking and laying machine payout process: the 4th change-over valve 121 commutates, thereby controls the action realization cable picking and laying machine cable laying of cable picking and laying machine motor by the working oil path at the 5th change-over valve 122 places; The free cable laying of cable picking and laying machine: cable rolling oil pump stop control lever, the 4th change-over valve 121 must not be electric, 122 commutations of the 5th change-over valve, the oil inlet and outlet of cable picking and laying machine motor is continuous like this goes into a closed circuit, realizes free cable laying.Wherein, the 4th change-over valve 121 and the 5th change-over valve 122 can be electro-hydraulic proportion reversing valves.
As shown in Figure 7, pinched valve group 11 comprises the 6th change-over valve 111 and the 7th change-over valve 112, the first actuator port of each change-over valve of the 6th change-over valve 111 and the 7th change-over valve 112 all is connected with second epitrochoidal chamber (rod chamber) of the clamping oil cylinder of oil cylinder group by governor valve, and the second actuator port of each change-over valve of the 6th change-over valve 111 and the 7th change-over valve 112 all is connected with first epitrochoidal chamber (rodless cavity) of the clamping oil cylinder of oil cylinder group by governor valve.
A kind of priority scheme as the hydraulic efficiency pressure system for the line style winch of the present utility model, such as Fig. 2 and shown in Figure 8, repairing oil pump 404 is connected with the Fill valve group, the first oil cylinder group 15 comprises that first promotes mainly oil cylinder 151 and the first clamping oil cylinder 152, the second oil cylinder group 16 comprises that second promotes mainly oil cylinder 161 and the second clamping oil cylinder 162, the Fill valve group comprises the 8th change-over valve 91 and the 9th change-over valve 92 of mutual series connection, the second epitrochoidal chamber (rod chamber) that the second actuator port of the 8th change-over valve 91 and second is promoted mainly oil cylinder 161 is connected, and the second epitrochoidal chamber (rod chamber) that the first actuator port of the 9th change-over valve 92 and first is promoted mainly oil cylinder 151 is connected.This arranges the control cock group of utilizing feed circuit and the oil circuit of promoting mainly the loop and is connected to form local closed fhdraulic system, so that first promote mainly oil cylinder overhanging after, the oil return of the second epitrochoidal chamber flows to second the second epitrochoidal chamber of promoting mainly oil cylinder, promote second and promote mainly the oil cylinder retraction, so just drive second without propulsion source and promote mainly the oil cylinder retraction, save power consumption.
Such as Fig. 2 and shown in Figure 9, air-cooled control oil pump 405 is connected with forced air cooler 6 by air-cooled valve group 5, air-cooled valve group 5 comprises air-cooled safety valve 51 parallel with one another and the tenth change-over valve 52, the second actuator port of the tenth change-over valve 52 is connected with the oil inlet of the motor of forced air cooler 6, and the oil outlet of air-cooled safety valve 51 is connected with the oil outlet of the motor of forced air cooler 6.
Above embodiment is exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (9)
1. hydraulic efficiency pressure system that is used for the line style winch, described line style winch comprises cable picking and laying machine, it is characterized in that, described hydraulic efficiency pressure system comprises two main pumps, two groups of pump groups, control cock group, oil cylinder group, every group of pump group in described two groups of pump groups includes and clamps oil pump and cable rolling oil pump, described control cock group comprises: main valve group, pinched valve group, cable rolling valve group, described oil cylinder group comprise promotes mainly oil cylinder and clamping oil cylinder
Described two main pumps all are connected to the described oil cylinder of promoting mainly to drive the described cylinder action of promoting mainly by described main valve group, described clamping oil pump is connected to described clamping oil cylinder to drive described clamping oil cylinder action by described pinched valve group, and described cable rolling oil pump is connected to described cable picking and laying machine to drive described cable picking and laying machine action by described cable rolling valve group.
2. the hydraulic efficiency pressure system for the line style winch according to claim 1, it is characterized in that, also comprise hydraulic lock and synchronous motor, described main pump passes through safety valve, pressure regulating valve is connected with described main valve group, described main valve group comprises the first change-over valve, the second change-over valve and with described the first change-over valve, the 3rd change-over valve that described the second change-over valve connects respectively, described the first change-over valve, described the second change-over valve the first actuator port separately all be connected the oil inlet of synchronous motor and connect, described the first change-over valve, described the second change-over valve the second actuator port separately be connected the oil inlet of hydraulic lock and connect, the oil outlet of described synchronous motor is connected with described the first epitrochoidal chamber of promoting mainly oil cylinder, and the oil outlet of described hydraulic lock is connected with described the second epitrochoidal chamber of promoting mainly oil cylinder by governor valve.
3. the hydraulic efficiency pressure system for the line style winch according to claim 2, it is characterized in that, every group of pump group in described two groups of pump groups also includes guide's oil pump, described control cock group also comprises priority valve, described guide's oil pump is connected by the control port of safety valve with described cable rolling valve group, described guide's oil pump is connected to described hydraulic lock by described priority valve, and wherein, the second actuator port of described priority valve is connected with the control port of described hydraulic lock.
4. the hydraulic efficiency pressure system for the line style winch according to claim 1, it is characterized in that, described cable picking and laying machine comprises the cable picking and laying machine motor, described cable rolling valve group comprises the 4th change-over valve and the 5th change-over valve, the first actuator port of described the 4th change-over valve is in parallel with the second actuator port of the 5th change-over valve, the second actuator port of described the 4th change-over valve is in parallel with the first actuator port of the 5th change-over valve, the first actuator port of described the 4th change-over valve is connected with the oil inlet of described cable picking and laying machine motor, and the second actuator port of described the 4th change-over valve is connected with the oil outlet of described cable picking and laying machine motor.
5. the hydraulic efficiency pressure system for the line style winch according to claim 1, it is characterized in that, described pinched valve group comprises the 6th change-over valve and the 7th change-over valve, described the 6th change-over valve be connected first actuator port of each change-over valve of the 7th change-over valve and all be connected by second epitrochoidal chamber of governor valve with the clamping oil cylinder of oil cylinder group, described the 6th change-over valve be connected second actuator port of each change-over valve of the 7th change-over valve and all be connected by first epitrochoidal chamber of governor valve with the clamping oil cylinder of oil cylinder group.
6. the hydraulic efficiency pressure system for the line style winch according to claim 1, it is characterized in that, every group of pump group in described two groups of pump groups also includes the repairing oil pump, described valve group also comprises the Fill valve group, described oil cylinder group comprises the first oil cylinder group and the second oil cylinder group, described the first oil cylinder group comprises that first promotes mainly oil cylinder and the first clamping oil cylinder, described the second oil cylinder group comprises that second promotes mainly oil cylinder and the second clamping oil cylinder, described repairing oil pump is connected with described Fill valve group, described Fill valve group comprises the 8th change-over valve and the 9th change-over valve of mutual series connection, the second actuator port of described the 8th change-over valve is connected with described second the second epitrochoidal chamber of promoting mainly oil cylinder, and the first actuator port of described the 9th change-over valve is connected with described first the second epitrochoidal chamber of promoting mainly oil cylinder.
7. the hydraulic efficiency pressure system for the line style winch according to claim 1, it is characterized in that, also comprise the forced air cooler with forced air cooler motor, every group of pump group in described two groups of pump groups also includes air-cooled control oil pump, described control cock group also comprises air-cooled valve group, described air-cooled control oil pump is connected with described forced air cooler by described air-cooled valve group, described air-cooled valve group comprises safety valve parallel with one another and the tenth change-over valve, the second actuator port of described the tenth change-over valve is connected with the oil inlet of described forced air cooler motor, and the oil outlet of described safety valve is connected with the oil outlet of described forced air cooler motor.
8. the hydraulic efficiency pressure system for the line style winch according to claim 1 is characterized in that, is respectively arranged with cable rolling safety valve group between described cable rolling oil pump and the described cable rolling valve group.
9. the hydraulic efficiency pressure system for the line style winch according to claim 1, described line style winch also comprises driving engine, it is characterized in that, described driving engine by auxiliary gear box respectively with described main pump be connected two groups of pump groups and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220484641 CN202880732U (en) | 2012-09-20 | 2012-09-20 | Hydraulic system for linear winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220484641 CN202880732U (en) | 2012-09-20 | 2012-09-20 | Hydraulic system for linear winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202880732U true CN202880732U (en) | 2013-04-17 |
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ID=48072179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220484641 Expired - Fee Related CN202880732U (en) | 2012-09-20 | 2012-09-20 | Hydraulic system for linear winch |
Country Status (1)
| Country | Link |
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| CN (1) | CN202880732U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434961A (en) * | 2013-08-21 | 2013-12-11 | 上海中联重科桩工机械有限公司 | Double winding control system and engineering machine |
| CN106542452A (en) * | 2016-10-26 | 2017-03-29 | 武汉船用机械有限责任公司 | A kind of three duty Winch control systems |
| CN107188062A (en) * | 2017-04-25 | 2017-09-22 | 武汉船用机械有限责任公司 | A kind of hydraulic system of crude oil exporting winch automatic tube-arranging device |
| CN108679021A (en) * | 2018-08-15 | 2018-10-19 | 尤洛卡（山东）矿业科技有限公司 | A kind of monorail crane locomotive and its vibration hydraulic system |
| CN109019340A (en) * | 2018-09-29 | 2018-12-18 | 武汉船用机械有限责任公司 | A kind of bistable rope winch hydraulic system of tension Independent adjustable |
| CN110513347A (en) * | 2019-09-24 | 2019-11-29 | 常州液压成套设备厂有限公司 | A kind of one station hydraulic system of multimachine |
| CN111828416A (en) * | 2020-07-10 | 2020-10-27 | 柳州柳工挖掘机有限公司 | Pile hammer hydraulic control system and pile driver |
-
2012
- 2012-09-20 CN CN 201220484641 patent/CN202880732U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434961A (en) * | 2013-08-21 | 2013-12-11 | 上海中联重科桩工机械有限公司 | Double winding control system and engineering machine |
| CN103434961B (en) * | 2013-08-21 | 2015-09-30 | 上海中联重科桩工机械有限公司 | double-winch control system and engineering machinery |
| CN106542452A (en) * | 2016-10-26 | 2017-03-29 | 武汉船用机械有限责任公司 | A kind of three duty Winch control systems |
| CN106542452B (en) * | 2016-10-26 | 2019-10-25 | 武汉船用机械有限责任公司 | A kind of three duty Winch control systems |
| CN107188062A (en) * | 2017-04-25 | 2017-09-22 | 武汉船用机械有限责任公司 | A kind of hydraulic system of crude oil exporting winch automatic tube-arranging device |
| CN108679021A (en) * | 2018-08-15 | 2018-10-19 | 尤洛卡（山东）矿业科技有限公司 | A kind of monorail crane locomotive and its vibration hydraulic system |
| CN109019340A (en) * | 2018-09-29 | 2018-12-18 | 武汉船用机械有限责任公司 | A kind of bistable rope winch hydraulic system of tension Independent adjustable |
| CN109019340B (en) * | 2018-09-29 | 2019-09-17 | 武汉船用机械有限责任公司 | A kind of bistable rope winch hydraulic system of tension Independent adjustable |
| CN110513347A (en) * | 2019-09-24 | 2019-11-29 | 常州液压成套设备厂有限公司 | A kind of one station hydraulic system of multimachine |
| CN111828416A (en) * | 2020-07-10 | 2020-10-27 | 柳州柳工挖掘机有限公司 | Pile hammer hydraulic control system and pile driver |
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