CN204326027U - A kind of hydraulic-driven winch hoist - Google Patents
A kind of hydraulic-driven winch hoist Download PDFInfo
- Publication number
- CN204326027U CN204326027U CN201420733316.7U CN201420733316U CN204326027U CN 204326027 U CN204326027 U CN 204326027U CN 201420733316 U CN201420733316 U CN 201420733316U CN 204326027 U CN204326027 U CN 204326027U
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic
- fluid port
- hydraulic fluid
- reel
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of hydraulic-driven winch hoist, comprise frame, reel, angle pulley group, equalizer pulley group, wire rope, rig thimbler, hydraulic system, electrical control system etc.; Hydraulic system uses the hydraulic motor of a band liquid braking device, and hydraulic motor, reel, deadman's brake are installed in frame; One end of reel is provided with power connecting fluid pressure motor with it, and the other end is provided with the deadman's brake that power with it connects.One end of wire rope connects firmly in frame by a rig thimbler, and the other end is successively around getting over angle pulley group, equalizer pulley group, being wrapped reel, connecting firmly on reel finally by a rig thimbler.Stop or dead electricity time, the two ends of reel must in braking simultaneously, braking will be had more steadily by the distortion of load moment of inertia, effective; Overflow valve initialization system pressure, there will not be overburden driving force, guarantees to there will not be wire cable rupture, gate stuck phenomenon; Compact conformation, simplifies civil works.
Description
Technical field
The utility model relates to water conservancy and hydropower industry headstock gear technical field, particularly hydraulic-driven winch hoist.
Background technology
At present, in water conservancy and hydropower industry, winch hoist is widely used, and this winch hoist promotes or close the gate in Hydraulic and Hydro-Power Engineering by motor Direct driver reducer, open gear pair, reel, wire rope; The winch hoist of this pure mechanical drive mode, be the technology introduced from the former Soviet Union fifties, domestic design manufacture is used till today.
Certainly, in decades winch hoist technology also in constantly perfect, progressive and development.Present winch hoist is perfect from materials application, mechanism, the aspect such as security guarantee and Automated condtrol means has obtained very large progress all.Nonetheless, yet there is some technical deficiency in the winch hoist of active service, has to be optimized and improve.It is mainly comparatively outstanding in following several respects:
The transmission basis of winch hoist is gear drive, and the closed-type gear transmission in reducer and the open type gear driving pair be connected with reel, constitute its whole mechanically operated positive drive chain.Traditional winch hoist arranges block brake to ensure the brake safe of this crane gear at motor and reducer high speed inter-stage.But whole gear transmission chain is all in outside brake protection, once fatigue fracture appears in which rank of gear, gate will uncontrolledly fall down, and produce serious consequence.
The limit travel of tradition winch hoist hoisting, in decline process controls; just rely on mechanical stroke switch or master controller (redundancy set up digital stroke sensor again afterwards) to ensure, transmission system self does not have ultralimit safety travel defencive function.When occurring travel switch (or sensor) fault, motor can not automatic stopping, and reel ultralimit stroke operates, easily cause wire rope oppositely to kink or gate stuck to limes superiors, wire rope damages or ruptures, and serious accident will occur.Particularly the most troubling when headstock gear adopts long-range or Automated condtrol.
In recent years, also some engineering added ended stop to ensure safety at reel end; But the Selecting Complete Set due to ended stop is subject to the restriction of parameter and structure, often causes headstock gear appearance and size to enlarge markedly, civil works is arranged increases trouble, and engineering quantity enlarges markedly, and equipment and capital investment scale obviously increase.
In a word, existing winch hoist also exists: after the gear transmission chain of rigidity is impaired, gate can not obtain the protection of brake; The running of reel easy ultralimit stroke, cause wire rope oppositely to kink or gate stuck to limes superiors, wire rope damages or ruptures; And contour structures is huge, the problem that civilwork engineering quantity is large.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of hydraulic-driven winch hoist, also exists to solve existing winch hoist: after the gear transmission chain of rigidity is impaired, gate can not obtain the protection of brake; The running of reel easy ultralimit stroke, cause wire rope oppositely to kink or gate stuck to limes superiors, wire rope damages or ruptures; And contour structures is huge, the problem that civilwork engineering quantity is large.
The technical solution of the utility model is: a kind of hydraulic-driven winch hoist, comprises frame, reel, angle pulley group, equalizer pulley group, wire rope, rig thimbler, hydraulic system, electrical control system; Described reel is arranged in frame; One end of described wire rope connects firmly in frame by a rig thimbler, and the other end is successively around getting over angle pulley group, equalizer pulley group, being wrapped reel, connecting firmly on reel finally by a rig thimbler; Wherein, described hydraulic system comprises motor, oil pump, hydraulic valve bank, hydraulic motor, and oil filter, air filter, fuel tank, pressure meter, content gauge etc.; Described electrical control system controls described hydraulic system; Described hydraulic motor is installed in described frame, and is connected with one end power of described reel.
Described hydraulic motor comprises a liquid braking device.
Described hydraulic valve bank comprises an one-way throttle valve, an equalizing valve, a shuttle valve, a solenoid operated directional valve, one way valve, an overflow valve and a pressure meter.
Logical hydraulic fluid port B and the liquid braking device of described hydraulic motor of described one-way throttle valve lead to hydraulic fluid port oil circuit and are connected, and the logical hydraulic fluid port A of this one-way throttle valve is connected with the oil-out oil circuit of described shuttle valve.Logical hydraulic fluid port A and the described hydraulic motor of described equalizing valve lead to hydraulic fluid port A oil circuit and are connected, this equalizing valve leads to hydraulic fluid port B and is connected with the oil inlet P 1 of described shuttle valve and the logical hydraulic fluid port B oil circuit of described solenoid operated directional valve, and this equalizing valve control port is connected with the oil inlet P 2 of the logical hydraulic fluid port B of described hydraulic motor, described shuttle valve and the logical hydraulic fluid port A oil circuit of described solenoid operated directional valve; The logical hydraulic fluid port P oil circuit that the oil-in of described one way valve and the oil-out of described oil pump, described pressure meter lead to hydraulic fluid port and described overflow valve is connected, and the oil-out of this one way valve is connected with the logical hydraulic fluid port P oil circuit of described solenoid operated directional valve.The logical hydraulic fluid port T of described solenoid operated directional valve is connected with described tank drainback mouth oil circuit.The logical hydraulic fluid port T of described overflow valve is connected with described tank drainback mouth oil circuit.
Also comprise a deadman's brake, be installed in described frame; This deadman's brake is that formula point pan brake is carved in load self-control, and it has a brake disc, and this brake disc is connected with the other end power of described reel.
Due to a kind of hydraulic-driven winch hoist described in the utility model, except hoisting mechanism (reel, angle pulley group, equalizer pulley group, wire rope etc.) belongs to machine driving, drive system adopts hydraulic drive completely.Hydraulic drive belongs to Flexible Transmission, headstock gear do not exist in running the gear transmission chain of rigidity impaired after, gate can not obtain the protection problem of brake; Again owing to there being overflow valve to preset system pressure, when occurring travel switch (or sensor) fault, motor can not automatic stopping, during the running of reel ultralimit stroke, cause wire rope oppositely to kink or gate blocks to limes superiors time, resistance can rapidly increase, namely need larger driving moment to drive reel, and hydraulic motor limits due to the pressure of system, larger driving moment cannot be provided, thus protection wire rope can not damage or rupture; Gate also would not be stuck.
Also because the equalizing valve of hydraulic control system selection and the y-function of oil circuit control and solenoid operated directional valve and meta thereof thereof organically combine, have selected the hydraulic motor with liquid braking device, even if hydraulic power system breaks down or pipeline breaking, hydraulic motor also can oneself be braked; Just in case hydraulic motor self-protection was lost efficacy, be also provided with the deadman's brake of supporting development with it at the other end of reel; When stopping or dead electricity, because one end of reel is connected with hydraulic motor power, the other end is connected with the brake disc power of deadman's brake, and the two ends of such reel all simultaneously must in effective brake, reel can not be subject to the distortion of the moment of inertia of load, thus braking is had more steadily, effectively.
In addition, due in hydraulic system, hydraulic motor, valve group, fuel tank, the electric controling elements such as motor all can be provided separately at a distance, and it is more flexible, convenient to manipulate; Without gear reduction box, decrease unnecessary weight, and bulky structure does not have, made its structure more compact, also simplify corresponding civil works simultaneously, decrease civilwork engineering quantity.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is hydraulic scheme of the present utility model;
Fig. 5 is that deadman's brake of the present utility model and reel, oil motor, synchromesh gear and travel switch c and travel switch d arrange schematic diagram.
Detailed description of the invention
In order to better understand the utility model, be described further below in conjunction with accompanying drawing 1 to 5 pairs of the utility model preferred embodiments:
In figure, 1 is wire rope, 2 is fuel tanks, 3 is oil filters, 4 is oil pumps, 5 is deadman's brakes, 6 is motor, 7 is hydraulic valve bank, 8 is hydraulic motors, 9 is drain pipelines, 10 is petroleum pipeline a, 11 is petroleum pipeline b, 12 is frames, 13 is fluid, 14 is equalizer pulley groups, 15 is angle pulley groups, 16 is sensors, 17 is tooth form synchronous belts, 18 is reels, 19 is synchronizing wheels, 20 is bearings, 21 is rig thimblers, 22 is fuel tank panels, 23 is fuel tank side boards, 51 is brake discs of deadman's brake 5, 52 is electromagnet e of deadman's brake 5, 71 is pressure meters, 72 is solenoid operated directional valves, 73 is shuttle valves, 74 is one-way throttle valves, 75 is equalizing valves, 76 is one way valves, 77 is overflow valves, 78 is content gauges, 79 is air filters, 81 is liquid braking devices of hydraulic motor 8, 151 is travel switch c, 152 is travel switch d.
Fig. 1,2,3 shows, this preferred a kind of hydraulic-driven winch hoist described in implementation column, reel 18 is arranged in frame 12 by bearing 20.Angle pulley group 15 is positioned at by reel 18 end side, is arranged in frame 12.Equalizer pulley group 14 is positioned at the top of gate, the below of frame 12.One end of wire rope 1 connects firmly in frame 12 by a rig thimbler 21, and the other end around getting over angle pulley group 15, equalizer pulley group 14, being then wrapped reel 18, connecting firmly on reel 18 finally by a rig thimbler 21 successively.Hydraulic system comprises motor 6, oil pump 4, hydraulic valve bank 7, hydraulic motor 8, and fuel tank 2, oil filter 3, pressure meter 71, content gauge 78, air filter 79; Wherein, hydraulic valve bank 7 is integrated oil path block type, and the panel 22 being arranged on fuel tank 2 is positioned in the middle part of it above.Pressure meter 71 is arranged on above hydraulic valve bank 7.Fuel tank 2 is arranged in frame 12, and motor 6 is arranged on above the panel 22 of fuel tank 2, is positioned at its left side; Oil pump 4 is arranged on below fuel tank 2 panel 22, within fuel tank 2, to be positioned at immediately below motor 6 and to be connected with motor 6 power; Oil filter 3, within fuel tank 2, is immersed in fluid, and its oil-out is communicated with the oiler of oil pump 4.Content gauge 78 is arranged on the side plate 23 of fuel tank 2; Air filter 79 is arranged on above the panel 22 of fuel tank 2, is positioned on the right of it.
Hydraulic motor 8 comprises a liquid braking device 81; Hydraulic motor 8 is arranged in frame 12, is positioned at one end of reel 18 and is connected with its power; Deadman's brake 5, is installed in frame 12, and this deadman's brake 5 is made by oneself for load and carved formula point pan brake, and it has a brake disc 51, and brake disc 51 is positioned at the other end of reel 18 and is connected with its power.
Electrical control system (prior art, not shown) controls described hydraulic system.
In Fig. 4, indicate the operating principle of hydraulic system of the present utility model.Hydraulic valve bank 7 comprises a solenoid operated directional valve 72, shuttle valve 73, one-way throttle valve 74, equalizing valve 75, one way valve 76, overflow valve 77.Wherein, the logical hydraulic fluid port B of one-way throttle valve 74 leads to hydraulic fluid port oil circuit with the liquid braking device 81 of hydraulic motor 8 and is connected, and the logical hydraulic fluid port A of this one-way throttle valve 74 is connected with the oil-out A oil circuit of shuttle valve 73.Logical hydraulic fluid port A and the hydraulic motor 8 of equalizing valve 75 lead to hydraulic fluid port A oil circuit and are connected; Equalizing valve 75 leads to hydraulic fluid port B and is connected with the oil inlet P 1 of shuttle valve 73 and the logical hydraulic fluid port B oil circuit of solenoid operated directional valve 72; Equalizing valve 75 control port K is connected with the logical hydraulic fluid port A oil circuit of the logical hydraulic fluid port B of hydraulic motor 8, the oil inlet P 2 of shuttle valve 73 and solenoid operated directional valve 72.The logical hydraulic fluid port P oil circuit that the oil-in of one way valve 76 and the oil-out of oil pump 4, pressure meter 71 lead to hydraulic fluid port and overflow valve 77 is connected, and the oil-out of one way valve 76 is connected with the logical hydraulic fluid port P oil circuit of solenoid operated directional valve 72.The logical hydraulic fluid port T of solenoid operated directional valve 72 is connected with the oil return opening oil circuit of fuel tank 2.The logical hydraulic fluid port T of overflow valve 77 is connected with the oil return opening oil circuit of fuel tank 2.
Fig. 5 indicates deadman's brake 5 of the present utility model and arranges schematic diagram with reel 18, oil motor 8, synchromesh gear 19 and travel switch c151 and travel switch d152.
Composition graphs 1,3,5, two synchronizing wheels 19, are connected with reel 18 power, and another is connected with sensor 16 power; Timing Belt 17 is meshed with two synchronizing wheels 19, forms Synchronous Transmission combination; Travel switch c151, travel switch d152, be separately positioned on two diverse locations on sensor 16, controlled, be converted into electrical control signal by the synchronizing wheel 19 that it is arranged, two extreme positions of regulating gate rising or decline respectively.
According to the actual requirement of hydraulic scheme and gate, draft the energized action program of its relevant components and parts as following table:
| Action name | Motor | v | m | n | c | d | e | Remarks |
| Pump start | + | + | - | - | - | - | - | V time delay disconnects |
| Pressure adjusting | + | - | - | - | - | - | - | |
| Starting gate | + | - | + | - | + | - | + | C upper control limit is shut down |
| Closed shutter | + | - | - | + | - | + | + | D lower control limit is shut down |
Note: in upper table+---represent electric ,----must not represent electricity; The electromagnet of V---overflow valve 77, the electromagnet of m---solenoid operated directional valve 72, the electromagnet of n---solenoid operated directional valve 72, c---the electromagnet of travel switch c151, d---the electromagnet of travel switch d152.
Now described for upper table operation program is described below:
Oil pump 4 starts: press start button, and motor 6 electricly must start running and drive oil pump 4 to rotate, and the fluid being stored in fuel tank 2 li, through oil filter 3, is inhaled into oil pump 4, and the outlet through oil pump 4 exports the fluid come and has certain pressure; V simultaneously electric, then again time delay disconnect dead electricity, under making overflow valve 77 be initially located in low-pressure state, to reduce load when oil pump 4 starts.
Pressure adjusting: motor 6 electric maintenances runs, export after oil comes at oil pump 4, the regulating handle of slow turn overflow valve 77, the force value indicated by pointer of viewing pressure meter 71, the force value operation being adjusted to setting slowly, progressively.
During routine work, first after startup oil pump 4, several minutes to be run, treat that pressure meter 71 carries out next step action after showing pressure stability again.
Starting gate: travel switch c151 obtains electric closed, allow motor 6 electric maintenances runs, electromagnet e52 obtains electric, and its deadman's brake unclamps it and brakes, and allows reel energy flexible rotating.Hydraulic system is under the state of normal output pressure oil, and the electromagnet m of solenoid operated directional valve 72 obtains electric, the pressure oil that oil pump 4 exports flow through one way valve 76, solenoid operated directional valve 72 logical hydraulic fluid port P to logical hydraulic fluid port B; The logical hydraulic fluid port B that one road pressure oil flows through equalizing valve 75 to logical hydraulic fluid port A, the logical hydraulic fluid port A entering hydraulic motor 8, drives hydraulic motor 8 to be rotated counterclockwise through its half-duplex channel; At the same time, another road pressure oil flow through the logical hydraulic fluid port P1 to oil-out A of shuttle valve 73, one-way throttle valve 74 logical hydraulic fluid port A, through throttling passage to logical hydraulic fluid port B, enter the liquid braking device 81 of hydraulic motor 8, thus unclamp its braking, hydraulic motor 8 is rotated without hindrance.Oil return from the logical hydraulic fluid port B of hydraulic motor 8 flow through the logical hydraulic fluid port A of solenoid operated directional valve 72 to logical hydraulic fluid port T, get back to fuel tank 2.Reel 18 followed by hydraulic motor 8 and is rotated counterclockwise, and the wire rope 1 be wrapped on reel 18 progressively reels, and gate progressively rises; When gate rises to set upper limit position, travel switch c151 disconnects, and makes motor 6 dead electricity, shuts down.
Closed shutter: travel switch d152 obtains electric closed, allow motor 6 electric maintenances runs, electromagnet e52 obtains electric, and its deadman's brake unclamps it and brakes, and allows reel energy flexible rotating.Hydraulic system is under the state of normal output pressure oil, and the electromagnet n of solenoid operated directional valve 72 obtains electric, the pressure oil that oil pump exports flow through one way valve 76, solenoid operated directional valve logical hydraulic fluid port P to logical hydraulic fluid port A; One road pressure oil flows directly into hydraulic motor 8 and leads to hydraulic fluid port B, drives hydraulic motor 8 to turn clockwise; At the same time, another road pressure oil flow through the logical hydraulic fluid port P2 to oil-out A of shuttle valve 72, one-way throttle valve 74 logical hydraulic fluid port A, through its throttling passage to logical hydraulic fluid port B, the liquid braking device 81 entering hydraulic motor 8, thus take-off the brake, hydraulic motor 8 is rotated without hindrance; Also have an other road pressure oil to pass into the control port K of equalizing valve 75, promote equalizing valve 75 relief pressure valve cartridge, be communicated with its logical hydraulic fluid port A and logical hydraulic fluid port B, make hydraulic motor 8 have drainback passage; The logical hydraulic fluid port A that oil return flows through equalizing valve 75 from the logical hydraulic fluid port A of hydraulic motor 8 through its relief passage to logical hydraulic fluid port B, then from the logical hydraulic fluid port B of solenoid operated directional valve 72 to logical hydraulic fluid port T, get back to fuel tank.Reel 18 followed by hydraulic motor 8 and turns clockwise, and be wrapped in wire rope 1 phased separation on reel 18, gate progressively declines, and when gate drops to set lower position, travel switch d152 disconnects, and makes motor 6 dead electricity, shuts down.
Midway stops and loss protecting: gate is promoting or any position in decline process stops, or in lifting or decline process dead electricity suddenly, both are equivalent, and are all designed with automatic protection.When dead electricity suddenly, motor 6 just shuts down, oil pump 4 stops for pressure oil, and solenoid operated directional valve 72 is returned to meta, and at this moment logical hydraulic fluid port A, B, T of solenoid operated directional valve 72 are connected together and are directly communicated with the return line of fuel tank 2 (as illustrated); Logical hydraulic fluid port P2, P1 of the logical hydraulic fluid port B of hydraulic motor 8, the control port K of equalizing valve 75, shuttle valve 73 all connect with the return line of fuel tank 2.At this moment, the liquid braking device 81 of hydraulic motor 8 is under the effect of its spring force, promote its oil cylinder oil return, its oil return flow through one-way throttle valve 74 logical hydraulic fluid port B, through its half-duplex channel to logical hydraulic fluid port A, the more logical hydraulic fluid port A flowing through shuttle valve 73 gets back to fuel tank 2 to logical hydraulic fluid port A or B of logical hydraulic fluid port P2 or P1, solenoid operated directional valve 72, logical hydraulic fluid port T; Then the brake 81 of hydraulic motor 8 is released its band-type brake and the rotating shaft of hydraulic motor 8 is embraced, and realizes braking.On the other hand, control port K and fuel tank 2 oil return of equalizing valve 75 are connected, and its pressure is zero, under the effect of himself spring force, its relief pressure valve cartridge has cut off the logical hydraulic fluid port A of equalizing valve 75, the interface channel of logical hydraulic fluid port B, and hydraulic motor 8 cannot rotate under gravity; In addition, electromagnet e52 dead electricity, when dead electricity, its brake disc 51, under the effect of himself spring force, is realized braking by its internal mechanism by its deadman's brake, thus makes the other end of reel 18 obtain braking.Because one end of reel 18 is connected with hydraulic motor 8 power, the other end is connected with brake disc 51 power of deadman's brake 5, the two ends of such reel 8 all simultaneously must in effective brake, and reel 18 can not be subject to the distortion of the moment of inertia of load, thus braking is had more steadily, effectively.
Electrical control system is prior art, is not the application's patent category.
A kind of hydraulic-driven winch hoist of the present utility model is electromechanical integration technology, can well, effective using PLC programming Control, realize joint control automation with unit.As for how PLC programming Control being applied to the utility model embodiment, and realize joint control automation with unit, this is the prior art of current electrical control aspect, does not repeat them here.
Should be noted that: the present embodiment is only in order to illustrate the utility model and unrestricted, although be described in detail the utility model with reference to this preferred embodiment, those of ordinary skill in the art is to be understood that, the amendment under the prerequisite not departing from spirit and scope of the present utility model, the utility model carried out or equivalently to replace, outside such as deconditioning gate, be also suitable for other functionally similar crane lifting systems.All should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a hydraulic-driven winch hoist, comprises frame, reel, angle pulley group, equalizer pulley group, wire rope, rig thimbler, hydraulic system, electrical control system; Described reel is arranged in frame; One end of described wire rope connects firmly in frame by a rig thimbler, and the other end is successively around getting over angle pulley group, equalizer pulley group, being wrapped reel, connecting firmly on reel finally by a rig thimbler; It is characterized in that described hydraulic system comprises motor, oil pump, hydraulic valve bank, hydraulic motor, and oil filter, air filter, fuel tank, pressure meter, content gauge; Described electrical control system controls described hydraulic system; Described hydraulic motor is installed in described frame, and is connected with one end power of described reel.
2. a kind of hydraulic-driven winch hoist according to claim 1, is characterized in that, described hydraulic motor comprises a liquid braking device.
3. a kind of hydraulic-driven winch hoist according to claim 1, it is characterized in that, described hydraulic valve bank comprises an one-way throttle valve, an equalizing valve, a shuttle valve, a solenoid operated directional valve, one way valve, an overflow valve and a pressure meter.
4. a kind of hydraulic-driven winch hoist according to claim 3, is characterized in that:
Logical hydraulic fluid port B and the liquid braking device of described hydraulic motor of described one-way throttle valve lead to hydraulic fluid port oil circuit and are connected, and the logical hydraulic fluid port A of this one-way throttle valve is connected with the oil-out oil circuit of described shuttle valve;
Logical hydraulic fluid port A and the described hydraulic motor of described equalizing valve lead to hydraulic fluid port A oil circuit and are connected, this equalizing valve leads to hydraulic fluid port B and is connected with the oil inlet P 1 of described shuttle valve and the logical hydraulic fluid port B oil circuit of described solenoid operated directional valve, and this equalizing valve control port is connected with the oil inlet P 2 of the logical hydraulic fluid port B of described hydraulic motor, described shuttle valve and the logical hydraulic fluid port A oil circuit of described solenoid operated directional valve;
The logical hydraulic fluid port P oil circuit that the oil-in of described one way valve and the oil-out of described oil pump, described pressure meter lead to hydraulic fluid port and described overflow valve is connected, and the oil-out of this one way valve is connected with the logical hydraulic fluid port P oil circuit of described solenoid operated directional valve;
The logical hydraulic fluid port T of described solenoid operated directional valve is connected with described tank drainback mouth oil circuit;
The logical hydraulic fluid port T of described overflow valve is connected with described tank drainback mouth oil circuit.
5. a kind of hydraulic-driven winch hoist according to claim 1, is characterized in that, also comprises a deadman's brake, is installed in described frame; This deadman's brake is that formula point pan brake is carved in load self-control, and it has a brake disc, and this brake disc is connected with the other end power of described reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733316.7U CN204326027U (en) | 2014-11-18 | 2014-11-18 | A kind of hydraulic-driven winch hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733316.7U CN204326027U (en) | 2014-11-18 | 2014-11-18 | A kind of hydraulic-driven winch hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204326027U true CN204326027U (en) | 2015-05-13 |
Family
ID=53162403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420733316.7U Active CN204326027U (en) | 2014-11-18 | 2014-11-18 | A kind of hydraulic-driven winch hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204326027U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625277A (en) * | 2014-11-18 | 2016-06-01 | 广东河海泵业机械有限公司 | Hydraulic-drive winch hoist |
| CN107963565A (en) * | 2017-12-20 | 2018-04-27 | 德瑞斯博海机械设备（大连）有限公司 | Man-riding winch peculiar to vessel with brake fluid system |
| CN112744690A (en) * | 2021-01-08 | 2021-05-04 | 上海电气风电集团股份有限公司 | Single-blade lifting appliance transmission device and single-blade lifting appliance |
-
2014
- 2014-11-18 CN CN201420733316.7U patent/CN204326027U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625277A (en) * | 2014-11-18 | 2016-06-01 | 广东河海泵业机械有限公司 | Hydraulic-drive winch hoist |
| CN107963565A (en) * | 2017-12-20 | 2018-04-27 | 德瑞斯博海机械设备（大连）有限公司 | Man-riding winch peculiar to vessel with brake fluid system |
| CN107963565B (en) * | 2017-12-20 | 2023-11-24 | 中船麦基嘉船舶装备有限公司 | Marine manned winch with hydraulic braking system |
| CN112744690A (en) * | 2021-01-08 | 2021-05-04 | 上海电气风电集团股份有限公司 | Single-blade lifting appliance transmission device and single-blade lifting appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102336370B (en) | Rotating hydraulic system of crane and control method thereof | |
| CN201729610U (en) | Rotary hydraulic system of crane and crane | |
| CN101492053B (en) | Ropeway fluid power system for mine | |
| CN204326027U (en) | A kind of hydraulic-driven winch hoist | |
| CN102756791B (en) | Hydraulic anchor machine braking system with two-gear speed adjustment | |
| CN202789784U (en) | Hydraulic system with fine adjustment function | |
| CN104895967B (en) | Control pipeline used for braking system of servo press | |
| CN201882698U (en) | Traction rope winding device | |
| CN105625277A (en) | Hydraulic-drive winch hoist | |
| CN202108032U (en) | Emergency operating device and gate system of winch hoist | |
| CN104696297A (en) | Hydraulic control system for hydraulic drive cutting table and elevator | |
| CN108146245A (en) | A kind of control system of preventing engine hypervelocity | |
| CN109707567B (en) | Variable-pressure yaw brake hydraulic system of wind generating set and control method thereof | |
| CN203702753U (en) | Engineering machinery and hydraulic system | |
| CN201660396U (en) | Hydraulic station of hydraulic delay braking hoisting machine | |
| CN102733360B (en) | Emergency operation device and gate system of winch hoist | |
| CN204003686U (en) | Mine hoist hydraulic station | |
| CN205078532U (en) | Two accuse hydraulic system of single oil circuit | |
| CN208103795U (en) | Winch gear with accumulator driving compensation of undulation | |
| CN202108031U (en) | Hydraulic-controlled door closer and gate system | |
| CN209925479U (en) | Pressure maintaining loop structure for normally closed hydraulic brake | |
| CN203730467U (en) | Bucket wheel mechanism and material taking machine | |
| CN103911972B (en) | A kind of novel flap valve control system | |
| CN104074824A (en) | Anti-stall oil supplementing valve, winch motor hydraulic control system and crane | |
| CN203113290U (en) | Novel flap valve control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |