CN110127546A - A kind of self-supporting inverter-fed traction winch - Google Patents
A kind of self-supporting inverter-fed traction winch Download PDFInfo
- Publication number
- CN110127546A CN110127546A CN201811492565.0A CN201811492565A CN110127546A CN 110127546 A CN110127546 A CN 110127546A CN 201811492565 A CN201811492565 A CN 201811492565A CN 110127546 A CN110127546 A CN 110127546A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- mouthfuls
- electric
- connect
- monoblock type
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
- B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
- B66D1/485—Control devices automatic electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/58—Safety gear responsive to excess of load
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- 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
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
Abstract
The invention belongs to technical field of mining equipment, and in particular to a kind of self-supporting inverter-fed traction winch.Including support device, transmission system, electric-control system and hydraulic system, support device and transmission system are by electric-control system and HYDRAULIC CONTROL SYSTEM, support device includes the whole chassis that lower part is arranged in and the monoblock type ceiling that top is arranged in, seat, monoblock type chassis and monoblock type ceiling are increased in setting above monoblock type ceiling and its seat of increasing of top is linked together by four columns oil cylinder and four-bar mechanism.The present invention can greatly improve the overall efficiency of coal mine fully-mechanized mining working equipment returning, and safety coefficient is high, and labor intensity is small, can substitute existing similar product completely, have preferable market promotion prospect.
Description
Technical field
The invention belongs to technical field of mining equipment, and in particular to a kind of self-supporting inverter-fed traction winch.
Background technique
The safe and efficient property of rack restoring is the key that coal mine fully-mechanized mining working is withdrawn, and pass of the winch as rack restoring
Key equipment, optimizes and to improve its working performance significant.
It is generally longitudinally tower structure that coal mine fully-mechanized mining working, which is withdrawn with bracket pulling winch, at present, itself is filled without support
It sets, earth anchor need to be made or engineered rear cooperation individual prop uses.It is restricted by field working conditions, fully mechanized coal face generallys use 6 monomers four
The solid mode of pressure two in an opposite direction supports winch.And the resettlement of fully-mechanized mining equipment and the carrying of other all kinds of electromechanical equipments need often mobile twist
The position of vehicle, this fixed form is not only time-consuming and laborious, and due to the control of monomer-free pressure and detection function, there are biggish peaces
Full hidden danger, influence fully-mechanized mining working withdraws efficiency and safety guarantee.
The problem of for existing rack restoring winch use process, develops a kind of collection support, power, braking, distant
The multi-functional pulling winch in one such as control, frequency control, protection, realizes winch module, fixed form freedom and flexibility, operation
Simplicity reduces labor intensity, and then improves working face and withdraw efficiency and safety coefficient, with important practical significance and good
Promotion prospect.
Summary of the invention
The present invention to solve the above-mentioned problems, provides a kind of self-supporting inverter-fed traction winch.
The present invention takes following technical scheme: a kind of self-supporting inverter-fed traction winch, including support device, transmission system,
By electric-control system and HYDRAULIC CONTROL SYSTEM, support device includes setting for electric-control system and hydraulic system, support device and transmission system
Set lower part whole chassis and the monoblock type ceiling on top is set, seat, monoblock type are increased in setting above monoblock type ceiling
Chassis and monoblock type ceiling and its seat of increasing of top are linked together by four columns oil cylinder and four-bar mechanism.
Transmission system includes cycloid, is twisted and reduction gearbox, cycloid, be twisted, reduction gearbox on monoblock type chassis by preceding
It holds to rear end and is successively fixedly mounted, reduction gearbox and variable-frequency motor are connected by the connecting flange and axle sleeve for being integrated into reduction gearbox tail portion
Together；It is twisted and connection is engaged by the external gear of matched-pair design with reduction gearbox；It is twisted the chain with cycloid by matched-pair design
Wheel is linked together by chain；Multi-disk wet brake, the fuel tank of hydraulic system are installed on the double reduction wheel of reduction gearbox
It is integrated with monoblock type chassis, a part as chassis structure.
Further, hydraulic system includes hydraulic pump, high pressure filter, return filter and solenoid valve block, and hydraulic pump is inhaled
By pipeline inlet port connection corresponding with fuel tank, drain tap T is connect by pipeline with fuel tank drain tap hydraulic fluid port S, hydraulic to pump out
Mouth A is connect by pipeline with high pressure filter entrance, and X mouthfuls of hydraulic pump are connect by pipeline with LS mouthfuls of solenoid valve block, and height presses through
Filter outlets are connect by pipeline with solenoid valve block entrance P, and quadruple valve is oily with four columns respectively by pipeline before solenoid valve block
Cylinder connection, the every A mouth of preceding quadruple valve connect oil cylinder rodless cavity, and the B mouth of every valve connects cylinder rod chamber, solenoid valve block
A mouthfuls of 5-linked valve closure, B mouthful are connect by pipeline with check valve I entrance, check valve I pass through pipeline respectively with check valve II,
Check valve III, pressure sensor I and column oil cylinder fluid infusion accumulator are in parallel, and check valve II is passed with pressure respectively by pipeline
The two root posts oil cylinder of sensor II and front side is in parallel, check valve III by pipeline respectively with pressure sensor III and after
The two root posts oil cylinder of side is in parallel, A mouthfuls of six linking valve closure of solenoid valve block, and B mouthfuls pass through valve group P mouthfuls of company of pipeline and solution braking
Connect, valve group T mouthful of solution braking is connect by pipeline with fuel tank drain tap, A mouthfuls pass through pipeline respectively with pressure sensor V and polydisc
Wet brake plunger shaft is in parallel, solenoid valve block the 7th A mouthful pass through pipeline and connect with oiling pump drive motor entrance, B mouthfuls
In parallel with check valve IV and safety valve by pipeline, gasoline pump inlet port connects oil filling pipe, safe valve outlet, drive motor outlet
Oil strainer is taken back by pipeline with outlet is refueled, the outlet check valve IV passes through pipeline and frequency converter cooling duct linking inlet ports,
The outlet of frequency converter cooling duct is connect by pipeline with cooler entrance, and cooler outlet is connected by pipeline and return filter
It connects, the 8th closure of solenoid valve block is spare, and oil return opening R is connect by pipeline with return filter.
Further, the electric control box of electric-control system is mounted on above variable-frequency motor, is fixedly mounted on monoblock type
On the electric cabinet mounting rack on chassis, electric control box is connect with remote control system, and remote control system passes through control electric control box control
Variable-frequency motor, realization are twisted start and stop, folding and unfolding cable, frequency control, support device lifting；Scram button, signal lamp, audio alert and
The electrical auxiliary of fluorescent lamp is arranged in whole device.
By the combination of above each mechanism and system, constitute self-supporting is fixed and traction function is integrated in one
Coal mine fully-mechanized mining working equipment carriage return special hoist.Winch can be achieved quickly and easily self-retaining before work, in the course of work
With automatic monitoring, locking and defencive function, and realize remote control operation.
Compared with prior art, it is existing beneficial effects of the present invention: to efficiently solve coal mine fully-mechanized mining working equipment returning
Equipment there are the problem of.Fixed device and winch organically combine, and greatly improve work efficiency and security reliability, while pair twist
Roof panels play protective action.Winch design has heavy cycloid and rope gripper, can effectively avoid wirerope disorder cable and extruding
Card resistance.Complete machine realizes remote control operation of disembarking, and the personal safety of staff has been effectively ensured.Devise electro-hydraulic comprehensive monitoring
Protection system improves the security reliability of equipment.The overall efficiency of coal mine fully-mechanized mining working equipment returning can be greatly improved, is pacified
Overall coefficient is high, and labor intensity is small, can substitute existing similar product completely, has preferable market promotion prospect.
Detailed description of the invention
Fig. 1 is the basic composition of self-supporting inverter-fed traction winch；
Fig. 2 is that the support device structure of self-supporting inverter-fed traction winch is illustrated；
Fig. 3 is the transmission system of self-supporting inverter-fed traction winch；
Fig. 4 is the electrical system composition and layout drawing of self-supporting inverter-fed traction winch；
The electrical system of Fig. 5 self-supporting inverter-fed traction winch forms and layout drawing；
Fig. 6 is that the whole chassis structure of self-supporting inverter-fed traction winch illustrates I；
Fig. 7 is that the whole chassis structure of self-supporting inverter-fed traction winch illustrates II；
Fig. 8 is that the whole chassis structure of self-supporting inverter-fed traction winch illustrates III；
Fig. 9 is the four-bar mechanism schematic diagram I of self-supporting inverter-fed traction winch；
Figure 10 is the four-bar mechanism schematic diagram II of self-supporting inverter-fed traction winch；
Figure 11 is the Hydraulic System Principle of self-supporting inverter-fed traction winch；
Figure 12 is Figure 11 magnified partial view；
1- entirety chassis in figure, 2- column oil cylinder, 3- four-bar mechanism, 4- monoblock type ceiling, 5- increase seat, 6- electrical control
Case, 7- cycloid, 8- are twisted, 9- reduction gearbox, 10- multi-disk wet brake, 11- variable-frequency motor, 12- hydraulic pump, 13- fuel tank,
14- high pressure filter, 15- return filter, 16- safety valve, 17- solenoid valve block, 18- pressure sensor II, 19- pressure sensing
Device III, 20- column oil cylinder fluid infusion accumulator, 21- pressure sensor IV, 22- pressure sensor V, 23- solution braking valve group, 24-
Pressure sensor I, 26- cooler, 27- frequency converter cooling duct, 28- check valve I, 29- check valve II, 30- check valve III,
31- check valve IV, 32- headlamp, 33- audio alert, 34- signal lamp, 35- fluorescent lamp, 36- scram button, 37- electric cabinet peace
It shelves.
Specific embodiment
It is described further in conjunction with specific embodiment of the attached drawing to the invention patent.
As shown, self-supporting inverter-fed traction winch mainly includes monoblock type chassis 1, four columns oil cylinder 2, double leval jib machine
Structure 3, monoblock type ceiling 4 increase seat 5, electric control box 6, are twisted 7, cycloid 8, reduction gearbox 9, multi-disk wet brake 10, become
Frequency motor 11 and relevant connection pin shaft and bolt etc..The winch realizes self-supporting fixation and traction function integrated design,
Be twisted folding and unfolding cable can with frequency control, each movement and function can remote control operation, electrical system have automatic detection technology of parameter with
Defencive function.
Specifically, self-supporting inverter-fed traction winch is mainly by support device, transmission system, electric-control system and hydraulic system
Several parts are combined into one.Support device lower part is monoblock type chassis 1, and top is that monoblock type ceiling 4 and its top are solid
Dingan County's dress increases seat 5, and for upper and lower two parts through four columns oil cylinder 2 together with 3 organic linking of four-bar mechanism, composition can
The supporting mechanism of lifting.The spherical surface a and pin hole b of each column oil cylinder bottom design, respectively design corresponding with monoblock type chassis 1
Ball-and-socket e1, e2, e3, e4 and pin hole f1, f2, f3, f4 be coupled using pin shaft I, set at the top of each column cylinder piston rod
Ball-and-socket g1, g2, g3, g4 of design corresponding with monoblock type ceiling 4 and pin hole h1, h2, h3, h4 are sharp respectively by the spherical surface c and pin hole d of meter
It is coupled with pin shaft II；The pin hole of pin hole i1, i2, i3, i4 of four-bar mechanism 3 design corresponding with monoblock type chassis 1 respectively
J1, j2, j3, j4 are coupled using pin shaft III, the pin of pin hole i5, i6 of four-bar mechanism 3 design corresponding with monoblock type ceiling 4
Hole k1, k2 are coupled using pin shaft IV；Monoblock type ceiling 4 with increase seat 5 and be coupled by screw hole p and through-hole q, utilize
Bolt fastening.
Be twisted 7, cycloid 8, the reduction gearbox 9 of transmission system are pacified on monoblock type chassis 1 by front end to rear end is successively fixed
Dress.Variable-frequency motor 11 is coupled by connecting flange V and VI, splined shaft Ⅸ with spline housing Ⅺ with reduction gearbox 9, utilizes bolt
Fastening；It is twisted 7 and connection is engaged by the external gear of matched-pair design with reduction gearbox 9；It is twisted 7 and passes through matched-pair design with cycloid 8
Sprocket wheel is linked together using chain；Multi-disk wet brake 10 and reduction gearbox 9 pass through splined shaft Ⅹ and spline housing Ⅻ, flange
VII is coupled with VIII, utilizes bolt fastening；7 are twisted to be coupled with chassis 1 by mounting hole o1-o16 and screw hole l1-l16,
Utilize bolt fastening；Reduction gearbox 9 is coupled with chassis 1 by mounting hole n1-n14 and screw hole m1-m16, and bolt fastening is utilized.
After variable-frequency motor 11 starts, power is transmitted to by reduction gearbox 9 is twisted its rotation of 7 drivings, while being twisted and being driven by chain conveyer
Cycloid 8, realization be twisted the one mobile rope of circle cycloid driving wirerope of rotation away from.
The electric control box 6 of electric-control system is mounted on 11 top of variable-frequency motor, is fixedly mounted on monoblock type chassis 1
On mounting rack, remote control system controls variable-frequency motor 11, solenoid valve block 14, solution braking valve group 15 by control electric control box, real
Now it is twisted the functions such as 7 start and stop, folding and unfolding cable, frequency control, support device lifting.In addition, electrical system is provided with audio alert
Device, detection sensor, scram button (remote control emergency stop and fuselage scram button), headlamp, safety light etc., when winch works
Each section electric function starts automatically.Electrical system can realize 2 pressure of column oil cylinder, frequency converter temperature in electric control box 6,
It is twisted 7 pulling force, 10 operating pressure of multi-disk wet brake, 11 electric current of variable-frequency motor and revolving speed, hydraulic oil container liquid level and temperature, pump
The parameters such as current of electric of standing real time monitoring and display；It is additionally provided with locking and defencive function, guarantees that winch is only meeting column oil
2 operating pressure of cylinder, multi-disk wet brake 10 solve the parameters such as brake pressure and can work under the conditions of setting value.Winch is in work
When making state, the functions automatic blocking such as decline of column oil cylinder 2 is twisted 7 pulling force and limits protection, electric control box 6 and variable-frequency motor
The functions such as 11 electric currents and the protection of temperature protection, hydraulic oil container temperature and liquid level start automatically；Realize the 2 fluid infusion accumulation of energy of column oil cylinder
The pressure monitoring and automatic liquid supply of device and the solution braking valve group feed flow accumulator of multi-disk wet brake 10, guarantee in the operating condition
The operating pressure of two kinds of accumulation of energys is in range of set value.
The hydraulic oil container of hydraulic system is integrated with the design of monoblock type chassis 1, a part as chassis structure.Electrical
The lower section of control cabinet 6, monoblock type chassis 1 tail portion pumping plant, solenoid valve block, solution braking valve group, oil cylinder fluid infusion accumulator peace are installed
On 6 mounting rack of electric control box.The above Hydraulic Elements are connected with the equal related hydraulic interface of column oil cylinder 2 by fluid pressure line
Constitute hydraulic system.Each circuit of hydraulic system is equipped with safety valve, to limit system working pressure；Column oil cylinder 2 is equipped with high-performance
Safety valve, when roof weighting, have the function of superpressure releasing pressure automatically.
By designing above each mechanism and modularized design and integrated integration, Shi Ge mechanism, system and function
It realizes and organically combines, formed the fixed dedicated strand of coal mine fully-mechanized mining working equipment carriage return being integrated in one with traction function of self-supporting
Vehicle.Quickly and easily self-retaining can be achieved in winch before work, has automatic monitoring, locking and defencive function in the course of work,
And realize remote control operation.
The working principle of the invention: after winch equipment is powered, electric control box is controlled using remote control system, and then control pump
Motor, variable-frequency motor, solenoid valve block, the solution of standing brake valve group, realize to support device lifting (by column oil cylinder elevating control), twist
Grind start and stop, the control of folding and unfolding cable and frequency control.When winch is in operating mode, automatic monitoring and defencive function starting.Remote control
When being twisted 7 starting work, electrical system detects every start-up parameter, only 2 pressure of column oil cylinder, multi-disc wet type system automatically first
Dynamic device 10 solves when the parameters such as brake pressure meet sets requirement and is twisted and can start；2 fluid infusion accumulator of column oil cylinder and polydisc are wet
The pressure monitoring and automatic liquid supply system automatic work of the solution braking 15 feed flow accumulator of valve group of formula brake 10, guarantee in work shape
The operating pressure of two kinds of accumulation of energys is in range of set value under state；The functions automatic blockings such as the decline of column oil cylinder 2 at the same time, are twisted
7 pulling force limit protection, electric control box 6 and 11 electric current of variable-frequency motor and temperature protection, 13 temperature of hydraulic oil container and liquid level are protected,
The functions such as signal lamp, audio alert start automatically.When monitoring parameters do not meet sets requirement, electrical system will phonetic warning
Or control is shut down.
The course of work of the invention: winch is placed into the specified position that fully mechanized mining withdraws working face, put position bottom plate is most
It measures smooth, then powers on for winch.When needing work, closes 6 breaker of electric control box and is powered for winch electrical system,
Start remote controler；The oil pump button on remote controler is pinned, starts Electric Machine at Pumping Station, reaches 30 DEG C or so to oil temperature, pin remote controler
On column rise button, rise column oil cylinder 2, build the pressure after support device and top plate contact, when 6 display of electric control box
Display 2 pressure of column oil cylinder stops operation when reaching system highest setting pressure；When needing to receive payout operation, pin in remote control
Take-up or cable laying button (can pin take-up or cable laying button are more than to unclamp after setting time, will continuously run), when acceleration and deceleration
Press remote control on acceleration, retard button, by once increasing or decreasing one grade, pressed again when needing to stop take-up or cable laying by
Button.When equipment operation is in an emergency, the scram button that can press remote controler or fuselage is shut down.After equipment use,
Decline column oil cylinder 2 to lowest order, dismounting service cable, then can transport equipment.
The present invention realizes quick self-supporting and fixes by organically combining the chassis of liftable support device and winch
With the integrated design of traction function.The heavy cycloid and rope gripper of design, can effectively avoid wirerope disorder cable and extruding
Card resistance.Electrical system realizes remote control operation of disembarking, and has automatic on-line parameter detecting and defencive function, devises electro-hydraulic
Comprehensive monitoring protects system, improves the security reliability of equipment.The invention can greatly improve coal mine fully-mechanized mining working equipment and return
The overall efficiency removed operates conveniently, safety coefficient height, and labor intensity is small, can substitute existing similar product completely.
Hydraulic system includes hydraulic pump 12, high pressure filter 14, return filter 15 and solenoid valve block 17, and hydraulic pump 12 is inhaled
Hydraulic fluid port S is connect by pipeline with fuel tank drain tap by pipeline inlet port connection corresponding with fuel tank 13, drain tap T, hydraulic pump
12 outlet A are connect by pipeline with 14 entrance of high pressure filter, and 12X mouthfuls of hydraulic pump pass through pipeline and solenoid valve block 17LS mouthfuls of company
It connects, the outlet of high pressure filter 14 is connect by pipeline with 17 entrance P of solenoid valve block, and quadruple valve passes through pipeline point before solenoid valve block 17
It is not connect with four columns oil cylinder 2, the every A mouth of preceding quadruple valve connects oil cylinder rodless cavity, and the B mouth connection oil cylinder of every valve has
Rod cavity, A mouthfuls of 5-linked valve closure of solenoid valve block 17, B mouthfuls are connect by pipeline with check valve I entrance, and check valve I24 passes through
Pipeline is in parallel with check valve II, check valve III, pressure sensor I24 and column oil cylinder fluid infusion accumulator 20 respectively, check valve
II is in parallel with the two root posts oil cylinder 2 of pressure sensor II18 and front side respectively by pipeline, and check valve III passes through pipeline
It is in parallel with the two root posts oil cylinder of pressure sensor III19 and rear side respectively, A mouthfuls of six linking valve closure of solenoid valve block 17, B
Mouth is connect for valve group 23P mouthfuls by pipeline with solution braking, and solution is braked valve group T mouthfuls and connect by pipeline with fuel tank drain tap, and A mouthfuls logical
Cross that pipeline is in parallel with pressure sensor V22 and 10 plunger shaft of multi-disk wet brake respectively, the 7th A mouthfuls of solenoid valve block 17
It is connect by pipeline with oiling pump drive motor entrance, B mouthfuls in parallel with check valve IV and safety valve 16 by pipeline, and gasoline pump is inhaled
Hydraulic fluid port connects oil filling pipe, and safe valve outlet, drive motor outlet and outlet of refueling take back oil strainer, check valve IV by pipeline
Outlet passes through pipeline and cooler 26 by pipeline and 27 linking inlet ports of frequency converter cooling duct, the outlet of frequency converter cooling duct 27
Entrance connection, the outlet of cooler 26 are connect by pipeline with return filter 15, and the 8th closure of solenoid valve block 17 is spare, are returned
Hydraulic fluid port R is connect by pipeline with return filter 15.
Design of electrical system:
1. electric-control system: winch electrical system is by 1 electric cabinet, 1 PWM inverter-fed traction motor, 1 Oil pump electrical machinery, 1 set of remote control
Device, 3 scram buttons, 1 amoyese sound visual alarm, 1 set of gas alarm (including host and firedamp sensor), 5
A pressure sensor, 1 oil temperature fuel level sensor, 8 solenoid valve blocks, 1 piece of solution braking electromagnetic valve, 1 bracket fluorescence
Lamp, 2 LED headlamps, 1 safety warning light, 3 flameproof button compositions.PLC is the core control of electric controll winch system
Molding block, realize to rise/the stopping of Oil pump electrical machinery, to the receiving/releasing cable of converter plant, plus/minus it is fast and to headlamp, voice reporting
Police, warning lamp, solenoid valve block are controlled, and have the function of perfect complete machine and loop protection.Master control system mainly includes oil
Pump loop unit, power supply unit, protection location, control loop unit, intrinsically safe circuit unit, display unit and inverter-fed traction system
It unites several parts.
2. oil pump loop unit: oil pump loop unit is made of 1 circuit, including 1 breaker, 1 vacuum contact
Device, 1 motor protecter, 1 rc absorber composition.Breaker be used for control entire major loop 660V power supply on-off and
Short-circuit protection；Vacuum contactor is used for the start and stop of control oil pump motor；Motor protecter is used to carry out overcurrent to Oil pump electrical machinery, lack
The protection such as phase, reverse phase.After breaker is in the position of " conjunction " when the starting of Oil pump electrical machinery, " oil pump " on master remote controller is pinned
The contactor of button, control oil pump motor is attracted after 3S, Oil pump electrical machinery starting.Main remote control is pressed again after Oil pump electrical machinery starting
The contactor of " oil pump " button on device, control oil pump motor disconnects, and Oil pump electrical machinery stops.
3. power supply unit: power supply unit is by main transformer, isolating transformer, high-tension fuse insurance, DC power supply, miniature
Breaker composition.Main transformer becomes AC660V: AC220V and AC127V, AC220V be isolating transformer, intrinsic safety electric source,
Cooling fan, frequency converter simultaneously become DC24V by DC power supply as solenoid valve power supply；AC127V is lighting system, gas is disconnected
Electric instrument, sound-light alarm, transmission terminal power supply on wireless data；It is remote-control receiver that AC220V is become AC180V by isolating transformer
Power supply, and it is main control unit PLC and its output I/O, output driving relay that AC180V, which is become DC24V, by DC power supply
Device, isolated gate and sensor power supply；High-tension fuse insurance is located on side loop of main transformer, provides for a side loop
Short-circuit protection.It is equipped with miniature circuit breaker on transformer secondary side loop, provides overload and short-circuit protection for each circuit.
4. protection location: protection location is made of electronic type electric motor protective relay and JB leakage comprehensive protector.Electronics
Formula electric motor protecting relay acquires Oil pump electrical machinery loop current signals, by the processing of electronic circuit, realizes pump motor overcurrent, anti-
The defencive functions such as phase, phase shortage, three-phase current unbalance and stall, protector monitor in real time pump motor circuit, find failure after it is defeated
Relay tip disconnects immediately out, and pump contactor coil releases immediately, and pump motor is out of service, to reach the mesh of protection motor
's.The protector also has 485 communication functions, and PLC reads protector register internal information by 485 communications, by pump motor
On actual motion electric current, fault message real-time display to display screen.JB leakage comprehensive protector is opened in pump motor or variable-frequency motor
Detection of electrical leakage is carried out to its load circuit before dynamic, discovery electric leakage terminates starting immediately, and the circuit of electric leakage is latched.Simultaneously also
Continual insulation monitoring is carried out to AC127V control power supply, detects electric leakage, leakage relay disconnects immediately, forbids AC127V
Power supply is powered outward.
5. control loop unit: by PLC(programmable logic controller (PLC) part) and digital quantity input module, digital output mould
Block, Analog input mModule, communication module and baffle, the dedicated driving relay composition of PLC.PLC is the core control of electric-control system
Molding block, it can be broadly divided into: input unit, central processing unit (CPU), 3 part of output unit.Input unit be used for from
The electric components such as each switch button, oil pump protector, remote-control receiver, gas breaker device receive switching value control in electric-control system
Information processed receives the analog quantity information of electrical system by analog module, receives oil pump protector, remote control by communication module
The control information of device, frequency converter；Central processing unit (CPU) passes through the program for executing itself, and input module, analog quantity is defeated
Enter module, the signal that communication module receives is analyzed and obtains corresponding control signal；Output module is for receiving central processing
Unit (CPU) is transmitted through the control signal come, is attracted, is opened, control come control contactor by the dedicated driving relay of its PLC
Voice reporting alarm voice processed, the alarm of control warning lamp, the illumination of control lighting system, control electromagnetism valve events etc., to realize PLC
Control action.
6. intrinsically safe circuit unit: intrinsically safe circuit unit is isolated by oil temperature isolating transmitter, oil level isolated gate, analog input
Grid, intrinsic safety electric source, disconnecting relay, safety warning light, oil temperature fuel level sensor, pressure sensor, composition, intrinsic safety isolated gate is not
Only pressure sensor, oil temperature sensor provide 24V power supply, additionally it is possible to improve the safety and insulating properties of electric appliance.Due to intrinsic safety
Isolated gate uses the measures such as pressure limiting, current limliting, isolation, can not only prevent danger energy from entering dangerous scene from intrinsic safety terminal, mention
The intrinsic safe explosion-proof performance of high system, and the anti-interference ability of system is also added, substantially increase the reliable of system operation
Property.PT100 thermal resistance collection hydraulic fluid temperature, is converted to resistance value for temperature value, is input to oil temperature isolating transmitter, and will be electric
Resistance signal is converted to the standard current signal of 4~20mA after being isolated, and is sent into PLC analogue collection module, and aobvious by PLC
Show hydraulic fluid temperature, while providing high oil temperature defencive function for system.The floating ball of oil level switch is under the action of hydraulic oil buoyancy
Rise, when reaching switch position, close the switch, after oil level isolated gate carries out signal isolation processing, is input to PLC number
Word amount input module.When the switch is closed, illustrate that oil level is normal, when the switches are opened, illustrate that oil level is low, while PLC sending stops
Machine signal, oil pump are out of service.Pressure sensor converts collected hydraulic pressure value through the signal built in pressure sensor
Device is converted to the standard current signal of 4~20mA, after being input to the progress signal isolation processing of analog input isolated gate, is sent into
PLC analogue collection module, and by the display of PLC controller progress column pressure, solution brake pressure, while realizing column
Pressure atresia, solution brake pressure locking, the fluid infusion of column accumulator, the function of solving brake accumulator fluid infusion.Safety warning light is this
Peace type electricity piece, 220VAC are transformed to the intrinsic safety electric source of 12VDC through intrinsic safety electric source, are safety warning light confession through disconnecting relay
Electricity.PLC realizes that warning lamp blue lamp, red light, red blue lamp alternately flash by process control disconnecting relay.
7. display unit: display unit is made of 1 display, and the data information of required display is stored in frequency conversion by PLC
Device register, display reads the data information in frequency converter, and information is shown on a display screen.When the system is normal, it shows
Show operating status, running current, system voltage, frequency converter output voltage, frequency, electric current and the liquid of pump motor and variable-frequency motor
Pressure oil temperature, column pressure, solution brake pressure；When system breaks down, it is various that PLC and frequency converter can be transmitted through to the system come
Fault message is shown, to facilitate processing and solve various failures.
8. inverter-fed traction system: trailer system is mainly by integrated filter, Hall sensor, buffer resistance, snubber contact
Device, frequency converter, HMI, variable-frequency motor, hydraulic oil cooling system composition, the self-cooled variable-frequency motor of Frequency Converter Control 90KW are realized
Motor positive and inverse and acceleration and deceleration function.Input string integrated filter, increase power factor and inhibition higher hamonic wave are exchanged, is furthermore adopted
Harmonic voltage is greatly reduced with exclusive PWM optimization modulator approach.The communication of frequency converter and PLC use shielded twisted pair
Communication, and single-end earthed by shielded layer, control loop and main power output circuit are separately routed, control loop is improved and leads to
Believe the anti-interference ability in circuit.
Defencive function: defencive function is complete, and overload, electric leakage, overheat, under-voltage protection and IGBT are protected substantially, and are had
The fast automatic rejection ability of electric current, it is ensured that overcurrent does not occur in accelerator and under impact load, not escape.Frequency converter function
The components such as rate element, capacitor, resistance and transformer generate heat when running, and radiator fan, fan are mounted with inside electric cabinet
Air outlet faces frequency converter radiator air inlet, and winch one powers on, and radiator fan starts to radiate to frequency converter.Electric cabinet bottom
Dedicated hydraulic oil pressure cooling system is devised, the heat that the power component of frequency conversion generates is transmitted to by radiator aluminium base plate
Electric cabinet radiating bottom plate is taken away the heat that frequency converter generates, by pressure cooling system to realize cooling purpose.Become
Frequency device is a relatively independent system, its starting and stopping, positive and negative rotation and speed preset signal is all by PLC control system
It provides, the information such as state of frequency converter such as frequency converter failure, temperature alarm, frequency converter output frequency, output electric current itself pass through
Remote display terminals HMI shows, the positive and negative rotation of frequency converter, feed speed control by communication mode issue control instruction by PLC
Signal, PLC obtain the output frequency of frequency converter, output electric current, busbar voltage and output voltage and frequency converter failure by communication
The states such as signal.
Pre- traction function: closing circuit breaker handle on the left of electric controll winch case, extracts scram button, the commutating circuit of frequency converter
Three-phase alternating current is become into DC voltage and rushes electricity to filter capacitor, frequency converter output control signal, connects buffering after punching electricity
Tentaculum is attracted, and by buffer resistance short circuit, frequency converter enters prerun state.Trailer system action process: master transmitter control plane
Cable rolling on plate is enabled, take-up, cable laying, acceleration, deceleration key, whole movements of control inverter-fed traction system.Cable rolling enables key
For the safety key of inverter-fed traction movement, maloperation is prevented；The forward and backward of retractable cable key control motor；Acceleration, deceleration key passes through
The output given frequency for controlling frequency converter, realizes the function of electric machine speed regulation.After cable rolling is enabled, when pressing master transmitter take-up key,
PLC can issue " frequency converter rotating forward " trigger signal to frequency converter.When equally pressing master transmitter cable laying key, PLC can be to frequency converter
The trigger signal of " frequency converter reversion " is issued, frequency converter is run according to preset frequency at this time, and take-up predeterminated frequency is
5Hz, cable laying predeterminated frequency are 10Hz, and the acceleration time is preset as 20s, and deceleration time is preset as 5s.
Traction electric machine frequency: the receiving/releasing cable key on master transmitter, plus/minus speed key are operated to determine the output frequency of frequency converter
Rate, " take-up " will provide maximum 26Hz alternating voltage, and " cable laying " will provide the alternating voltage of maximum 100Hz.Acceleration and deceleration: from stagnation
To the delay for having 4 seconds at a slow speed, this delay is the acceleration time control by frequency converter setting.Frequency converter receives main transmitting
After the instruction of machine, by start up curve acceleration and deceleration in the electric current of restriction of setting.In the case where meeting actual use operating condition, to the greatest extent
Amount increases the time of acceleration and deceleration, can reduce impact of the winch capstan winch to frequency converter in this way.
Claims (3)
1. a kind of self-supporting inverter-fed traction winch, it is characterised in that: including support device, transmission system, electric-control system and hydraulic
System, support device and transmission system by electric-control system and HYDRAULIC CONTROL SYSTEM,
Support device includes the whole chassis (1) that lower part is arranged in and the monoblock type ceiling (4) that top is arranged in, monoblock type top
Setting is increased seat (5) above canopy (4), and increase seat (5) of monoblock type chassis (1) and monoblock type ceiling (4) and its top pass through four
Root post oil cylinder (2) and four-bar mechanism (3) link together；
Transmission system includes cycloid (7), is twisted (8) and reduction gearbox (9), and cycloid (7) is twisted (8), reduction gearbox (9) whole
It is successively fixedly mounted on body formula chassis (1) by front end to rear end, reduction gearbox (9) and variable-frequency motor (11) are by being integrated into reduction gearbox
The connecting flange and axle sleeve of tail portion link together；It is twisted (8) and company is engaged by the external gear of matched-pair design with reduction gearbox (9)
It connects；It is twisted (8) and is linked together by the sprocket wheel of matched-pair design by chain with cycloid (7)；The double reduction of reduction gearbox (9)
It is equipped on wheel multi-disk wet brake (10), fuel tank (13) and monoblock type chassis (1) of hydraulic system are integrated, as chassis
A part of structure.
2. self-supporting inverter-fed traction winch according to claim 1, it is characterised in that: the hydraulic system includes hydraulic
Pump (12), high pressure filter (14), return filter (15) and solenoid valve block (17), hydraulic pump (12) inlet port S pass through pipeline
Inlet port connection corresponding with fuel tank (13), drain tap T are connect by pipeline with fuel tank drain tap, and it is logical that hydraulic pump (12) exports A
Pipeline to be crossed to connect with high pressure filter (14) entrance, X mouthfuls of hydraulic pump (12) are connect for LS mouthfuls by pipeline with solenoid valve block (17),
High pressure filter (14) outlet is connect by pipeline with solenoid valve block (17) entrance P, and quadruple valve passes through pipe before solenoid valve block (17)
Road is connect with four columns oil cylinder (2) respectively, and the every A mouth of preceding quadruple valve connects oil cylinder rodless cavity, the B mouth connection of every valve
Cylinder rod chamber, A mouthfuls of 5-linked valve closure of solenoid valve block (17), B mouthfuls are connect by pipeline with check valve I entrance, check valve
I by pipeline respectively with check valve II, check valve III, pressure sensor I(24) and column oil cylinder fluid infusion accumulator (20) is simultaneously
Connection, check valve II is in parallel with two root posts oil cylinder (2) of pressure sensor II(18) and front side respectively by pipeline, check valve
III is in parallel with the two root posts oil cylinder of pressure sensor III(19) and rear side respectively by pipeline, solenoid valve block (17)
A mouthfuls of six linking valve closure, B mouthfuls are connect for P mouthfuls by pipeline with solution braking valve group (23), and valve group T mouthfuls of solution braking passes through pipeline and oil
The connection of case drain tap, A mouthfuls are in parallel with pressure sensor V(22) and multi-disk wet brake (10) plunger shaft respectively by pipeline,
Solenoid valve block (17) the 7th A mouthfuls connect with oiling pump drive motor entrance by pipeline, B mouthfuls pass through pipeline and check valve
IV and safety valve (16) are in parallel, and gasoline pump inlet port connects oil filling pipe, and safe valve outlet, drive motor outlet and outlet of refueling are logical
It crosses pipeline and takes back oil strainer, by pipeline and frequency converter cooling duct (27) linking inlet ports, frequency converter is cold for the outlet check valve IV
But channel (27) outlet is connect by pipeline with cooler (26) entrance, and cooler (26) outlet passes through pipeline and return filter
(15) it connects, the 8th closure of solenoid valve block (17) is spare, and oil return opening R is connect by pipeline with return filter (15).
3. self-supporting inverter-fed traction winch according to claim 1, it is characterised in that: the electric control box of electric-control system
(6) it is mounted on above variable-frequency motor (11), is fixedly mounted on the electric cabinet mounting rack on monoblock type chassis (1), electric-controlled
Case (6) processed connect with remote control system, and by control electric control box (6) control variable-frequency motor (11), realization is twisted remote control system
(8) start and stop, folding and unfolding cable, frequency control, support device lifting；Scram button, signal lamp, audio alert and the electrical auxiliary of fluorescent lamp
It is arranged in whole device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811492565.0A CN110127546A (en) | 2018-12-07 | 2018-12-07 | A kind of self-supporting inverter-fed traction winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811492565.0A CN110127546A (en) | 2018-12-07 | 2018-12-07 | A kind of self-supporting inverter-fed traction winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110127546A true CN110127546A (en) | 2019-08-16 |
Family
ID=67568328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811492565.0A Pending CN110127546A (en) | 2018-12-07 | 2018-12-07 | A kind of self-supporting inverter-fed traction winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110127546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401283A (en) * | 2021-06-30 | 2021-09-17 | 中国船舶工业集团公司第七0八研究所 | Double-portal frame folding and unfolding device and operation method thereof |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001019368A (en) * | 1999-07-01 | 2001-01-23 | Kobelco Contstruction Machinery Ltd | Hydraulic winch |
| CN2463538Y (en) * | 2001-01-05 | 2001-12-05 | 李华 | Automatic rope-laying control device for oil recovery apparatus |
| CN1579919A (en) * | 2003-07-31 | 2005-02-16 | 中国矿业大学 | Conveying and transporting winch |
| JP2005145699A (en) * | 2003-11-19 | 2005-06-09 | Nikko Kizai Kk | Winch device |
| JP2007131454A (en) * | 2005-10-13 | 2007-05-31 | Hitachi Constr Mach Co Ltd | Winch device |
| CN101323422A (en) * | 2008-07-24 | 2008-12-17 | 天津市精研工程机械传动有限公司 | Hydraulic drum winch composite control apparatus |
| CN102052084A (en) * | 2010-10-30 | 2011-05-11 | 煤炭科学研究总院太原研究院 | Remote-controlled pulley-type shielding bracket under coal mine |
| CN202391444U (en) * | 2011-12-24 | 2012-08-22 | 中国煤炭科工集团太原研究院 | Beam type retracting device of hydraulic bracket of fully-mechanized coal face |
| CN102718163A (en) * | 2012-06-21 | 2012-10-10 | 无锡市协兴港口机械有限公司 | Lifting mechanism for hoist |
| CN202704914U (en) * | 2012-08-13 | 2013-01-30 | 河南华东工控技术有限公司 | Tunnel double-winch flat trolley frequency conversion control system |
| CN103410517A (en) * | 2013-07-05 | 2013-11-27 | 中国煤炭科工集团太原研究院 | Fast driving stepping self-moving rubber belt conveyor tail supporting device |
| CN103663222A (en) * | 2013-12-06 | 2014-03-26 | 江苏科技大学 | Electric winch control device and method for winding and unwinding photoelectric composite cables for load bearing |
| CN103754784A (en) * | 2013-12-11 | 2014-04-30 | 中国煤炭科工集团太原研究院有限公司 | Movable supported traction winch |
| CN104555769A (en) * | 2015-01-20 | 2015-04-29 | 湖南科技大学 | Electrically-driven active heaving supplementing type marine winch |
| CN104555777A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
| CN204310738U (en) * | 2014-11-10 | 2015-05-06 | 天津成科传动机电技术股份有限公司 | Intelligent hydraulic draw gear |
| CN204625053U (en) * | 2015-04-30 | 2015-09-09 | 张钧 | A kind of winch rope guide |
| CN206129732U (en) * | 2016-11-06 | 2017-04-26 | 张剑 | Electronic workover rig hydraulic system |
| CN207002080U (en) * | 2017-07-11 | 2018-02-13 | 常州御发工矿设备有限公司 | A kind of Coal mine transportation system double-drum winch |
| CN108502763A (en) * | 2018-03-30 | 2018-09-07 | 宝鸡石油机械有限责任公司 | A kind of the AC frequency conversion hoister system and its control method of removal hydraulic disc brake |
| CN108622814A (en) * | 2018-05-15 | 2018-10-09 | 宝鸡石油机械有限责任公司 | The integrated hoister system of the major-minor brake of one kind and its control method |
| CN210064997U (en) * | 2018-12-07 | 2020-02-14 | 中国煤炭科工集团太原研究院有限公司 | Self-supporting frequency conversion traction winch |
-
2018
- 2018-12-07 CN CN201811492565.0A patent/CN110127546A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001019368A (en) * | 1999-07-01 | 2001-01-23 | Kobelco Contstruction Machinery Ltd | Hydraulic winch |
| CN2463538Y (en) * | 2001-01-05 | 2001-12-05 | 李华 | Automatic rope-laying control device for oil recovery apparatus |
| CN1579919A (en) * | 2003-07-31 | 2005-02-16 | 中国矿业大学 | Conveying and transporting winch |
| JP2005145699A (en) * | 2003-11-19 | 2005-06-09 | Nikko Kizai Kk | Winch device |
| JP2007131454A (en) * | 2005-10-13 | 2007-05-31 | Hitachi Constr Mach Co Ltd | Winch device |
| CN101323422A (en) * | 2008-07-24 | 2008-12-17 | 天津市精研工程机械传动有限公司 | Hydraulic drum winch composite control apparatus |
| CN102052084A (en) * | 2010-10-30 | 2011-05-11 | 煤炭科学研究总院太原研究院 | Remote-controlled pulley-type shielding bracket under coal mine |
| CN202391444U (en) * | 2011-12-24 | 2012-08-22 | 中国煤炭科工集团太原研究院 | Beam type retracting device of hydraulic bracket of fully-mechanized coal face |
| CN102718163A (en) * | 2012-06-21 | 2012-10-10 | 无锡市协兴港口机械有限公司 | Lifting mechanism for hoist |
| CN202704914U (en) * | 2012-08-13 | 2013-01-30 | 河南华东工控技术有限公司 | Tunnel double-winch flat trolley frequency conversion control system |
| CN103410517A (en) * | 2013-07-05 | 2013-11-27 | 中国煤炭科工集团太原研究院 | Fast driving stepping self-moving rubber belt conveyor tail supporting device |
| CN103663222A (en) * | 2013-12-06 | 2014-03-26 | 江苏科技大学 | Electric winch control device and method for winding and unwinding photoelectric composite cables for load bearing |
| CN103754784A (en) * | 2013-12-11 | 2014-04-30 | 中国煤炭科工集团太原研究院有限公司 | Movable supported traction winch |
| CN204310738U (en) * | 2014-11-10 | 2015-05-06 | 天津成科传动机电技术股份有限公司 | Intelligent hydraulic draw gear |
| CN104555777A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
| CN104555769A (en) * | 2015-01-20 | 2015-04-29 | 湖南科技大学 | Electrically-driven active heaving supplementing type marine winch |
| CN204625053U (en) * | 2015-04-30 | 2015-09-09 | 张钧 | A kind of winch rope guide |
| CN206129732U (en) * | 2016-11-06 | 2017-04-26 | 张剑 | Electronic workover rig hydraulic system |
| CN207002080U (en) * | 2017-07-11 | 2018-02-13 | 常州御发工矿设备有限公司 | A kind of Coal mine transportation system double-drum winch |
| CN108502763A (en) * | 2018-03-30 | 2018-09-07 | 宝鸡石油机械有限责任公司 | A kind of the AC frequency conversion hoister system and its control method of removal hydraulic disc brake |
| CN108622814A (en) * | 2018-05-15 | 2018-10-09 | 宝鸡石油机械有限责任公司 | The integrated hoister system of the major-minor brake of one kind and its control method |
| CN210064997U (en) * | 2018-12-07 | 2020-02-14 | 中国煤炭科工集团太原研究院有限公司 | Self-supporting frequency conversion traction winch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401283A (en) * | 2021-06-30 | 2021-09-17 | 中国船舶工业集团公司第七0八研究所 | Double-portal frame folding and unfolding device and operation method thereof |
| CN113401283B (en) * | 2021-06-30 | 2022-12-20 | 中国船舶工业集团公司第七0八研究所 | Double-portal frame retracting device and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202789784U (en) | Hydraulic system with fine adjustment function | |
| CN202463670U (en) | Electrically-driven compression fracture pump truck | |
| CN112127863A (en) | Integrated frequency conversion fracturing sledge | |
| CN110127546A (en) | A kind of self-supporting inverter-fed traction winch | |
| CN102545776B (en) | Variable frequency control circuit and control method for electric hoist | |
| CN106335764A (en) | PLC-based traction type double-rail conveyor control system for hillside orchard | |
| CN108408617B (en) | Hydraulic wringing mill | |
| CN204150825U (en) | A kind of building hoist frequency-conversion control cabinet | |
| CN201371936Y (en) | Speed change fixed-pitch propeller lateral propelling equipment | |
| CN210064997U (en) | Self-supporting frequency conversion traction winch | |
| CN204046052U (en) | A kind of Split type hydraulic hauling machine | |
| CN110127524A (en) | A kind of emergency flight control system and crane | |
| CN2645333Y (en) | Mining explosion-proof frequency conversion electric controller | |
| CN207442457U (en) | A kind of electric workover rig secondary power system of net | |
| CN209299173U (en) | A kind of medium-and low-speed maglev train traction current transformer | |
| CN201466577U (en) | Trailer-type 380KN traction machine | |
| CN202518753U (en) | Hydraulic driving device for belt conveyor | |
| CN208200218U (en) | It is hydraulic to be twisted | |
| CN101215958A (en) | Oilfield broad and constant power frequency-variable speed-regulating electric workover rig | |
| CN208736020U (en) | A kind of hydraulic pressure lift door system for large insulation library | |
| CN202106989U (en) | Automatic-control rail embracing car arrester | |
| CN111056471A (en) | Lifting device for oil drilling machine based on alternating-current variable-frequency electric winch | |
| CN208268377U (en) | A kind of tool of changing oil of the wind power yawing slightly changed and pitch gear cabinet | |
| CN215980193U (en) | High-integration portable tower crane hydraulic control pump station | |
| CN210176328U (en) | Multi-motor power system of pure electric harbor mobile hoisting machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |