CN106276635A - A kind of jib crane configuring novel winding drum - Google Patents

A kind of jib crane configuring novel winding drum Download PDF

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Publication number
CN106276635A
CN106276635A CN201610825105.XA CN201610825105A CN106276635A CN 106276635 A CN106276635 A CN 106276635A CN 201610825105 A CN201610825105 A CN 201610825105A CN 106276635 A CN106276635 A CN 106276635A
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CN
China
Prior art keywords
reel
steel cable
shaft
motor
reductor
Prior art date
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Granted
Application number
CN201610825105.XA
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Chinese (zh)
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CN106276635B (en
Inventor
鲁霄钢
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SUZHOU DACHENG YOUFANG DATA TECHNOLOGY Co.,Ltd.
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鲁霄钢
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Priority to CN201610825105.XA priority Critical patent/CN106276635B/en
Publication of CN106276635A publication Critical patent/CN106276635A/en
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Publication of CN106276635B publication Critical patent/CN106276635B/en
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Classifications

    • 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
    • B66D1/20—Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/16—Brakes with two brake-blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/38—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with separate prime movers for crane and vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • 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
    • B66C13/22—Control systems or devices for electric drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment
    • B66C23/905—Devices for indicating or limiting lifting moment 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
    • 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
    • B66D1/16—Power transmissions between power sources and drums or barrels the drums or barrels being freely rotatable, e.g. having a clutch activated independently of a brake
    • B66D1/18—Power transmissions between power sources and drums or barrels the drums or barrels being freely rotatable, e.g. having a clutch activated independently of a brake and the power being transmitted from a continuously operating and irreversible prime mover, i.e. an internal combustion engine, e.g. on a motor vehicle or a portable winch
    • 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
    • B66D1/30—Rope, cable, or chain 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
    • B66D1/30—Rope, cable, or chain drums or barrels
    • B66D1/34—Attachment of ropes or cables to 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
    • B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
    • 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
    • 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
    • B66D1/42—Control devices non-automatic
    • B66D1/46—Control devices non-automatic electric
    • 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
    • B66D1/56—Adaptations of limit switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
    • B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/01—Winches, capstans or pivots
    • B66D2700/0125—Motor operated winches
    • B66D2700/0141—Electrically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/01—Winches, capstans or pivots
    • B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure

Abstract

The present invention discloses a kind of jib crane configuring novel winding drum, reel includes spool body and spool shaft, spool body arranges the first end plate, the second end plate and gripper shoe, first end plate is coupled with the slow-speed shaft of reductor by drum connection structure, second end plate is fixing with gripper shoe supports spool shaft, spool shaft is installed on drum support, and spool body is arranged above with steel cable guide groove to make steel cable introduce along steel cable guide groove/draw.The present invention can promote arm-type crane products performance.

Description

A kind of jib crane configuring novel winding drum
The number of patent application that the present invention is applicant to be proposed on 05 20th, 2015 is " 201510256850.2 ", title For the divisional application of the Chinese invention patent application of " jib crane ", entire contents is incorporated among the application.
Technical field
The present invention relates to hoisting machinery, particularly relate to a kind of jib crane and subsystem thereof or parts.
Background technology
Jib crane includes lifting mechanism, jib lubbing mechanism, rotating mechanism etc., relies on the interoperation of these mechanisms, can Make weight lifting and carrying in certain cylindrical space.The lifting mechanism of jib crane includes hoist engine, passes through folding and unfolding The steel cable being around on reel is to lift by crane workpiece.Certain deficiency is there is: such as, the volume of reel in the design of existing boom type hoist engine Cylinder, spool shaft structure are complex, install inconvenience not；And for example, the braking effect of brake is not ideal enough, limit of stopping up and down Position device easily lost efficacy, it is possible to cause security incident；For another example, steel cable winding method is not reasonable, sometimes occurs that steel cable unclamps Or the problem being intertwined, thereby increase potential safety hazard；Additionally, hoist engine speed can not be conveniently adjusted；Etc..There is mirror In above-mentioned all many deficiencies, it is necessary to crane and hoist engine thereof are improved.
Summary of the invention
The defect existed for prior art, the purpose of the embodiment of the present invention is to improve jib crane complete machine, point be System or parts, in order to the performance of improving product.
For solving above technical problem, the embodiment of the present invention provides a kind of jib crane configuring novel winding drum, including Chassis, turntable, hoist engine, landing oil cylinder, jib, suspension hook, turntable is installed on chassis, and hoist engine is installed on turntable, the head of jib End is articulated with turntable, and suspension hook hangs on the tail end of jib, and one end of landing oil cylinder is articulated with turntable, the other end hinge of landing oil cylinder Be connected to jib, hoist engine be provided with driving means, coiler device, brake unit and control device: driving means be provided with motor, Shaft coupling and reductor, reductor is installed on upper rack, and the high speed shaft of reductor is exported by the power of shaft coupling with motor Axle connects；The drum support of coiler device is installed on upper rack, and one end of reel is rotationally connected with drum support, The other end of reel is in transmission connection in the slow-speed shaft of reductor by drum connection structure, and the top sheave group of coiler device is positioned Frame, steel cable is wound in reel, top sheave group and downslide wheels, wherein steel cable from reel the first conductor rope position in an anticlockwise direction about Go out, walk around the first lower sheave, the first top sheave, the second lower sheave, the second top sheave the most counterclockwise, then walk around the most clockwise After 3rd lower sheave, the 3rd top sheave, the 4th lower sheave, another mistake hour hands wraparound reel the second conductor rope position, and the first of steel cable End is around in the first end of reel and is fixed on the first pressure rope position, and the second end of steel cable is around in the second end of reel and is fixed on volume Cylinder the second pressure rope position；The brake of brake unit is installed on the high speed shaft of reductor, makes to subtract by holding braked wheel tightly Speed mechanism is dynamic；Control device arranges converter to be come electric machine speed regulation, and motor control loop is in motor protective circuit breaker and frequency conversion Series contactor between device, upper the next limit switch is connected in series to the control loop of catalyst；Reel includes spool body and spool shaft, Spool body arranges the first end plate, the second end plate and gripper shoe, and the first end plate is by the slow-speed shaft of drum connection structure with reductor Coupling, the second end plate is fixing with gripper shoe supports spool shaft, and spool shaft is installed on drum support, and spool body is arranged above with steel Rope race makes steel cable introduce along steel cable guide groove/draw.
Compared with prior art, jib crane is improved by the embodiment of the present invention, thus can improve product Can, it shows following aspect: optimizing lifting drum body, spool shaft and roll support, draw bail, reel layout is more Rationally, structure is the compactest, installs the most convenient；Improve spool body structure and steel cable canoe and pressure rope structure, permissible The problem preferably avoiding steel cable to unclamp or be intertwined, is conducive to eliminating safe hidden trouble；Improve brake, lifting stop And motor stopping controlling organization, spacing, stop in emergency when can stop in time according to predetermined intention, brake, thus It is effectively reduced security incident；Use converter to hoist engine electric machine speed regulation, lifting velocity can be controlled with aspect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of jib crane of the present invention；
Fig. 2 is the front view of hoist engine of the present invention；
Fig. 3 is the top view of hoist engine of the present invention；
Fig. 4 is the right view of hoist engine of the present invention；
Fig. 5 is the schematic diagram of brake of the present invention；
Fig. 6 is steel cable winding arrangement schematic diagram of the present invention；
Fig. 7 is reel of the present invention and drum connection structure, pressure rope structure and the schematic diagram of drum support；
Fig. 8 is the front view of spool body of the present invention；
Fig. 9 is the longitudinal sectional view of spool body of the present invention；
Figure 10 is the schematic diagram of spool shaft of the present invention；
Figure 11 is drum connection structure schematic diagram of the present invention；
Figure 12 is that the present invention presses rope structure schematic diagram；
Figure 13 is drum support schematic diagram of the present invention；
Figure 14 is the schematic diagram that the present invention lifts stop；
Figure 15 is the internal structure schematic diagram that the present invention lifts stop；
Figure 16 is the electrical schematic diagram of motor stopping controlling organization of the present invention；
Figure 17 is the electrical connection graph of the limit switch of motor stopping controlling organization of the present invention；
Figure 18 is the block diagram of motor speed regulation system of the present invention；
Figure 19 is the schematic block circuit diagram of converter of the present invention；
Figure 20 is the circuit theory diagrams of inverter of the present invention.
Detailed description of the invention
In order to be more fully understood that know-why and the work process of the embodiment of the present invention, below in conjunction with accompanying drawing and be embodied as Example describes the present invention further.
The structure of hoist engine of the present invention, subsystem or parts is indicated by Fig. 1-Figure 20, identical label table therein It is shown as same parts.
See Fig. 1, it is shown that the structure of jib crane of the present invention.This jib crane includes chassis S1, turntable S2, elevator The parts such as machine S3, landing oil cylinder S4, jib S5, suspension hook S6, turntable S2 is loaded on chassis S1, hoist engine S3 and is loaded on turntable, jib S5 Head end be articulated with turntable S2, suspension hook 6 hangs on the tail end of jib S5, and one end of landing oil cylinder S4 is articulated with turntable S2, landing The other end of oil cylinder S4 is articulated with jib S5.Turntable S2 rotates and jib S5 is rotated, and oil cylinder S4 is flexible makes jib S5 landing, Speed change oil cylinder (not shown) makes jib S5 luffing, hoist engine S3 folding and unfolding be around in reel, jib assembly pulley and lifting hook pulley group Steel cable lift by crane the workpiece on suspension hook S6.The present invention has carried out many places improvement for hoist engine S3 and subsystem thereof and parts, Further explained below.
Referring also to Fig. 2-Fig. 4, it is shown that the complete machine structure of hoist engine of the present invention.This hoist engine includes driving means, winding Device, brake unit and control device (not shown): driving means by motor M01 (preferably frequency conversion motor), shaft coupling 7, Reductor 1 parts such as grade are constituted, and motor M01, shaft coupling 7, reductor 1 couple successively；Coiler device by reel 2, top sheave group 3 and The parts such as downslide wheels and steel cable are constituted, and reel 2 is in transmission connection in reductor 1 so that reel 2 turns around, and steel cable is wound in reel 2, folding and unfolding is carried out on top sheave group 3 and downslide wheels；Brake unit is made up of brake 5 and adnexa etc., and brake 5 acts on and subtracts It is braked on the high speed shaft of speed machine 1 or slow-speed shaft；Controlling device and be provided with motor stopping controlling organization, this motor stopping controls Mechanism stops motor and runs when default upper limit or lower limit.
As shown in figs 2-4, the concrete structure of this hoist engine is: reductor 1 and drum support 4 are installed on frame S01 top, one end of reel 2 is rotationally connected with drum support 4, and the other end of reel 2 passes through drum connection structure 8 transmission Being connected to the slow-speed shaft of reductor 1, the high speed shaft of reductor 1 is by shaft coupling (outside is provided with shaft coupling clamshell) 7 and motor M01 Power output shaft connect；Top sheave group 3 is positioned frame S01, steel cable with certain style canoe be wound in reel 2, on Assembly pulley 3 and downslide wheels, carry out folding and unfolding accordingly when motor M01 forward or reverse；Brake 5 is installed on reductor 1, system The braked wheel 6 on reductor 1 high speed shaft can be held time dynamic tightly and be braked.
In this hoist engine, optimizing spool body, spool shaft and roll support thereof, draw bail, reel layout is the most reasonable, Structure is the compactest, installs the most convenient；Improve spool body structure and steel cable canoe and Ya Sheng mechanism, can be more preferable The problem avoiding steel cable to unclamp or be intertwined, be conducive to eliminating safe hidden trouble；Improve brake, lifting stop and Motor stopping controlling organization, spacing, stop in emergency when can stop in time according to predetermined intention, brake, thus have Effect ground reduces security incident.Described further below.
Fig. 2-Fig. 4 illustrates brake mounting structure, and this brake 5 is installed on the high speed shaft of reductor 1, by the system of holding tightly Driving wheel 6 and reductor 1 is braked, and so that the reel 2 on the slow-speed shaft of reductor 1 is braked.Further below to system The structure of dynamic device is described in detail.
See Fig. 5, it is shown that the structure of brake of the present invention.In this brake 5, first brake arm the 52, first brake arm 53, Driving telescopic rod (can be cylinder or oil cylinder) 59 with driving means 50, one end of driven expansion link 58 are hingedly connected to Brake Block 51；First brake arm 52, driving telescopic rod 59, the other end of driven expansion link 58 are hingedly connected to an arm of L-shaped connecting rod 57；The The other end of two brake arms 53 is hinged with linear connecting rod 55, and the other end of linear connecting rod 55 is hinged with another arm of L-shaped connecting rod 57； First brake block 56 is installed on the inner side of the first brake arm 52, and the second brake block 54 is installed on the inner side of the second brake arm 53, should The intrados of the first brake block 56 and the intrados of the second brake block 54 hold the braked wheel on reductor 1 high speed shaft tightly when braking 6.This mode of braking simple in construction, braking response is fast, and effect is preferable.
See Fig. 6, it is shown that steel cable winding arrangement of the present invention.In this steel cable winding arrangement, steel cable 10 is twined by following manner Be around in reel 2, top sheave (jib pulley) organize 3 and lower sheave (lifting hook pulley) organize 9: the first end of steel cable 10 is around in reel 2 First end is also fixed on the first pressure rope position 2a, and the second end of steel cable 10 is around in the second end of reel 2 and is fixed on reel 2 second Pressure rope position 2d, steel cable 10 counterclockwise lays out from reel 2 first conductor rope position 2b, walks around the first lower sheave the most counterclockwise 91, first top sheave the 31, second lower sheave the 92, second top sheave 32, then walk around the most clockwise on the 3rd lower sheave the 93, the 3rd After pulley the 33, the 4th lower sheave 94, another mistake hour hands wraparound reel 2 second conductor rope position 2c.Steel cable 10 uses this canoe, Steel cable can be reduced and be wound around, unclamp etc. the probability of occurrence of bad phenomenon.
See Fig. 7, it is shown that reel of the present invention and drum connection structure, pressure rope structure and drum support.Reel 2 includes Spool body 21 and spool shaft 22, the first end of this spool shaft 22 is fixedly supported to the second end of spool body 21, the of spool body 21 One end is coupled with the slow-speed shaft of reductor 1 by drum connection structure (the I part in Fig. 6), and the second end of spool shaft 22 supports In drum support (the III part in Fig. 6), install very convenient.Additionally, the top, two ends of spool body 21 sets respectively Put pressure rope structure (the II part in Fig. 6), can preferably fix the end of steel cable 10.
Referring also to 8-Fig. 9, it is shown that the structure of reel of the present invention.This spool body 21 arranges first end plate the 25, second end plate 24 are coupled with the slow-speed shaft of reductor 1 by drum connection structure with gripper shoe 23, the first end plate 25 of spool body 21, spool body Second end plate 24 of 21 is fixing with gripper shoe 23 supports spool shaft 22, and this spool shaft 22 is installed on drum support, installs Come very convenient.
As shown in Fig. 2-Fig. 9, this spool body 21 is arranged above with steel cable guide groove 211, it is simple to steel cable 10 is along steel cable guide groove 211 Introducing/draw, the most beneficially steel cable 10 is wound around in an orderly manner.
See Figure 10, it is shown that the structure of spool shaft of the present invention.This spool shaft 22 includes spool shaft main body 222, spool shaft master First end of body 222 arranges first shaft shoulder 221, and the second end of spool shaft main body 222 arranges second shaft shoulder 224 and the 3rd shaft shoulder 225, wherein, the external diameter of spool shaft main body 222, first shaft shoulder, 221, second shaft shoulder 224 and the 3rd shaft shoulder 225 is sequentially reduced, and Arranging tapered transitional 223 between spool shaft main body 222 and second shaft shoulder 224, this spool shaft 22 structural strength is preferable, also side Just install.
See Figure 11, it is shown that drum connection structure of the present invention.In this drum connection structure, couple semiaxis 84 by cylindrical roller Bearing 87 is supported in connection dish 82, and the medial end coupling semiaxis 84 arranges baffle plate 86, couples semiaxis 84, cylinder roller bearing 87 and joint portion, the inner side inner cover plate 85 of connection dish 82 block, couple semiaxis 84, cylinder roller bearing 87 and connection dish 82 Outside joint portion outer cover plate 83 blocks, and connection dish 82 is fixed with ring flange 81, ring flange 81 be anchored on spool body 21 the End plate 25.This structure couples reliable, easy for installation.
See Figure 12, it is shown that the present invention presses rope structure.This pressure rope structure 11 includes steel cable pressing plate 111, under steel cable pressing plate Surface configuration steel cable indent 1121, this steel cable pressing plate 111 is anchored in the screw of spool body 21 by bolt 112 so that steel cable 10 are reliably fixed to without deviating from spool body 21, thus increase safety coefficient.
See Figure 13, it is shown that drum support of the present invention.In this drum support 4, support and on pedestal 41, machine is set Seat bearing block 43, spool shaft bearing 44 is supported in support bearing block 43, and spool shaft 22 is supported in volume by tapered roller bearing 45 Cylinder bearing block 44, support bearing block 43, the joint portion, inner side of spool shaft bearing 44 and tapered roller bearing 45 inner cover plate 42 envelope Stifled, support bearing block 43, joint portion, the outside outer cover plate 47 of spool shaft bearing 44 and tapered roller bearing 45 blocks.This knot Structure is compact, and it is convenient to install.
As shown in figure 13, the present embodiment illustrates the mounting structure of lifting stop.In Figure 12, spool shaft 22 arranges reel Axle gusset piece 46, in order to install the drive end (such as the rocking bar of screw lifting stop 12) of lifting stop 12, on 2 turns of reel When dynamic angle exceedes predetermined value (revolution), can disconnect and being electrically connected to prevent reel from rotating further, so can be to lifting Highly limit.Below in conjunction with Figure 12-Figure 14, further describe.
See Figure 14-Figure 15, it is shown that the present invention lifts stop structure.With reference to Figure 12, this lifting stop 12 wraps Include U-bracket 121, rocking bar 122, screw rod 123, runner 124, stop housing 125, guide post 126, push pedal 127, active conductive Post 128, limit switch 129 and fixing conductive pole 120:U shape support 121 are fixed on the outer cover plate 47 being connected with spool shaft 22, limit Position device housing 125 is anchored on U-bracket 121 by screw, and screw rod 123 is supported on stop housing 125, and push pedal 127 is installed On screw rod 123, active conductive post 128 one end is connected to push pedal 127, and active conductive post 128 other end is supported in and stop On one arm of the limit switch 129 that housing 125 is connected, fixing conductive pole 120 is fixed on another arm of limit switch 129 On, runner 124 is installed on the end of screw rod 123, and one end of rocking bar 122 connects runner 124, the other end of rocking bar 122 prejudicially It is connected with spool shaft gusset piece 46.
Additionally, also install guide post 126 on stop housing 125, this guide post 126 be arranged in parallel with screw rod 123, push pedal 127 are arranged in guide post 126 slides, to ensure smoothly to move.
In this embodiment, the position of push pedal 127 can be pre-adjusted.When reel 2 scrolling, rocking bar 122 is with spool shaft Gusset piece 46 rotates, and by runner 124, screw rod 123 is rotated, and it is fixing that push pedal 127 translation drives active conductive post 128 to depart from Conductive pole 120, thereby turns off electrical connection and plays position-limiting action, thus improve security performance.
The structure of lifting stop 12 is illustrated by Figure 14-Figure 15, and this lifting stop i.e. can be used for upper limit, also Can be used for lower limit.The control loop that the limit switch of stop is connected to the motor M01 of hoist engine will be lifted, by triggering electricity Machine controls the motor protective circuit breaker in loop and stops motor M01 operation, thus plays safeguard protection effect.
The present invention is directed to prevent, the spacing situation of spacing appearance, improved in terms of electric control system, tool simultaneously Body is described as follows.
Referring also to Figure 16-Figure 17, it is shown that the circuit structure of motor stopping controlling organization of the present invention.This motor stopping controls Mechanism can be used for hoist engine it can also be used to other type of lowering or hoisting gear, and its electrical structure is: in the control loop of motor M01 In, add a catalyst KM01 between motor protective circuit breaker QF01 and converter VF01；Upper the next limit switch SQ01, SQ02 It is connected in series in the control loop of this catalyst KM01.Herein, the terminal 1-6 of motor protective circuit breaker QF01, catalyst KM01's A1, A2 (three groups of terminals 1,2), terminal R, S, T, V, W, PE of converter VF01, the terminal 11,12 of limit switch SQ01, SQ02, And the terminal 13,14 of spacing solution lock key knob SB01 connects according to Figure 15 and Figure 16, the most specifically launch explanation.
After limit switch SQ01 or SQ02 is triggered, directly cut off the coil power of catalyst KM01, catalyst KM01 Release, thus cuts off the power supply in converter VF01 loop, thus quickly stops the operation of motor M01；Hereafter, rotary stopper is passed through Solve lock key knob SB01 can be unlocked.This control mode, decreases the intermediate link processing limit signal so that fault The when of generation, motor can stop at once, it is to avoid the damage of equipment and the injures and deaths of personnel.
Changing the speed of hoist engine S3 for convenience, the present invention uses motor variable-frequency speed-regulating control.Described below.
See Figure 18, it is shown that the block diagram of motor speed regulation system of the present invention.This motor speed regulation system includes coupling successively Power supply M03, converter M02 and motor M01, this converter M02 uses AC-DC-AC mode, first industrial frequency AC is powered electricity Source M03 is converted into DC source by commutator, the most again by inverter, DC source is converted into frequency, voltage the most controlled The alternating current power supply of system is to supply motor M01, so by changing frequency to change the rotating speed of motor M01.
As shown in figure 18, the input stage of this converter M02 is provided with filtering decoupling circuit, and it is preferably RC filtering decoupling electricity Road, current-limiting resistance R and filter capacitor C by concatenating are constituted, so that the output plus terminal of power supply M03 and output ground termination Enter the current-limiting resistance R and filter capacitor C of concatenation.This filtering decoupling circuit is as the preposition analog low-pass of AC signal input channel Wave filter, has jamproof effect concurrently；Access decoupling capacitance between two terminals of alternating current-direct current signal input channel, can be high frequency differential mode Interference signal provides bypass.
See Figure 19, it is shown that the schematic block circuit diagram of converter of the present invention.The converter M02 of the present embodiment includes rectified current Road M021, power factor correction circuit M022, filter circuit M023, inverter circuit M024 and microcontroller circuit M025, man-machine The parts such as interface circuit M026, wherein: rectification circuit M021 is formed (preferably full-bridge rectification electricity by commutation diode or bridge heap Road), including necessary interference filtering circuit, its major function is that alternating current is converted to unidirectional current；Circuit of power factor correction M022 is selectable unit (SU), is made up of power semiconductor and control chip, and it is also connected to the power factor (PF) of microcontroller circuit M025 Correction end, effect is to make input current close to sinusoidal wave, reduces mains by harmonics content, it is achieved improve the purpose of power factor；Filter Wave circuit M023 (preferably RC filter circuit) is mainly made up of elements such as electrochemical capacitors, complete galvanic filtering and Energy storage effect；Inverter circuit M024 is made up of power model and drive circuit, and its power model can be that intelligent power drives pipe Chip, it is also connected to the driving signal end of described microcontroller circuit, and its major function is, completes unidirectional current to three-phase alternating current Conversion, it is achieved frequency modulation and voltage modulation purpose；Microcontroller circuit M025 is made up of microprocessor (DSP) and peripheral circuit, its basis The order that man-machine interface circuit M026 is sent, sends the command signal of correspondence, controls circuit of power factor correction M022 and inversion Circuit M024 works, and according to electronic feedback information, carries out circuit protection and the troubleshooting of necessity.So, this embodiment is led to Cross microcontroller circuit and control the output mode of converter M02, be conducive to neatly by pre-provisioning request output voltage, thus meet The demand of different user.
See Figure 20, it is shown that the circuit theory diagrams of inverter of the present invention.It is particularly used for the inverter circuit M024 of motor M01 With the example of microcontroller circuit, its working method is: civil power becomes unidirectional current through rectification circuit M021, passes through electrochemical capacitor After filtering, access the power input of inverter circuit M024, between its power input, access filter capacitor.And microcontroller circuit Microprocessor according to the setting signal of man-machine interface circuit, motor M01 is controlled.
In the present embodiment, inverter circuit M024 includes power tube driving chip, and this power tube driving chip is connected to micro-process The microprocessor (MCU/DSP) of device circuit, in order to according to the pulse width modulating signal of microprocessor output, drive corresponding merit Rate pipe alternate conduction and shutoff.Concrete, described inverter circuit M024 includes six power tube Q1～Q6, these six power tubes Being divided into three groups, every group power controls a phase winding of three phase electric machine M01.
The concrete connected mode of each power tube is: the source electrode of power tube Q1, Q2, Q3 connects one end of DC source jointly, The drain electrode of power tube Q4, Q5, Q6 connects the other end of DC source jointly, the drain electrode of power tube Q1 and the company of the source electrode of power tube Q4 Contact connects the U phase terminal of motor, and the junction point of the drain electrode of power tube Q2 and the source electrode of power tube Q5 connects the V phase terminal of motor, merit The drain electrode of rate pipe Q3 and the source electrode junction point of power tube Q6 connect the W phase terminal of motor；The grid of power tube Q1, Q2, Q3, Q4, Q5, Q6 Pole connects an outfan of power tube driving chip respectively, and each input of this power tube driving chip is respectively by microprocessor Output pulse width regulation signal PWM1, PWM2, PWM3, PWM4, PWM5, PWM6 Zhong mono-tunnel of circuit controls.These six merits Rate pipe Q1～Q6 source electrode and drain electrode between corresponding access diode D1～D6.
During start, microprocessor produces corresponding 6 road pulse width modulating signals according to the motor speed set, and i.e. drives Signal PWM1～PWM6；By power tube driving chip drive inverter M024 6 power tube (MOSFET or IGBT) Q1～ Q6；The alternate conduction of these power tubes and shutoff, produce three-phase modulations waveform, output voltage is adjustable, changeable frequency three intersect Stream electricity, U, V, W terminals of output to motor M01, thus realize the stepless frequency control of motor M01.
Although the present invention is open as above with preferred embodiment, but it is not for limiting the present invention, any this area skill Art personnel without departing from the spirit and scope of the present invention, can make possible variation and amendment, the therefore guarantor of the present invention The scope of protecting should be defined in the range of standard with the claims in the present invention.

Claims (3)

1. configure a jib crane for novel winding drum, including chassis, turntable, hoist engine, landing oil cylinder, jib, suspension hook, turn Platform is installed on chassis, and hoist engine is installed on turntable, and the head end of jib is articulated with turntable, and suspension hook hangs on the tail end of jib, landing One end of oil cylinder is articulated with turntable, and the other end of landing oil cylinder is articulated with jib, and hoist engine is provided with driving means, winding dress Put, brake unit and control device: driving means is provided with motor, shaft coupling and reductor, and reductor is installed on upper rack, The high speed shaft of reductor is connected with the power output shaft of motor by shaft coupling；The drum support of coiler device is installed on machine Frame top, one end of reel is rotationally connected with drum support, and the other end of reel is in transmission connection by drum connection structure In the slow-speed shaft of reductor, the top sheave group of coiler device is positioned frame, and steel cable is wound in reel, top sheave group and lower sheave Group, wherein steel cable lays out from reel the first conductor rope inverse position clockwise, walks around the first lower sheave, sliding on first the most counterclockwise Wheel, the second lower sheave, the second top sheave, then after walking around the 3rd lower sheave, the 3rd top sheave, the 4th lower sheave the most clockwise, Another mistake hour hands wraparound reel the second conductor rope position, and the first end of steel cable is around in the first end of reel and is fixed on the first pressure rope position Putting, the second end of steel cable is around in the second end of reel and is fixed on reel the second pressure rope position；The brake of brake unit is installed On the high speed shaft of reductor, make reductor braking by holding braked wheel tightly；Control device arranges converter to be come motor Speed governing, and motor control loop series contactor between motor protective circuit breaker and converter, upper the next limit switch series connection Control loop to catalyst；It is characterized in that, reel includes spool body and spool shaft, spool body arrange the first end plate, second End plate and gripper shoe, the first end plate is coupled with the slow-speed shaft of reductor by drum connection structure, and the second end plate is solid with gripper shoe Surely supporting spool shaft, spool shaft is installed on drum support, and spool body is arranged above with steel cable guide groove to make steel cable along steel cable Guide groove introduces/draws.
2. jib crane as claimed in claim 1, it is characterised in that the control loop of catalyst is provided with spacing unblock and revolves Button, spacing unlocking knob is in parallel with upper the next limit switch.
3. jib crane as claimed in claim 1 or 2, it is characterised in that industrial frequency AC power supply is passed through by converter Commutator is converted into DC source, then by inverter, DC source is converted into frequency, the most controllable alternating current power supply of voltage To supply motor, in order to change the rotating speed of motor by changing frequency.
CN201610825105.XA 2015-05-20 2015-05-20 A kind of jib crane configuring novel winding drum Active CN106276635B (en)

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CN201510256850.2A CN104973522B (en) 2015-05-20 2015-05-20 Jib crane

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CN201610826170.4A Pending CN106395648A (en) 2015-05-20 2015-05-20 Jig hoist provided with optimized coiling block connecting structure
CN201610825078.6A Active CN106629440B (en) 2015-05-20 2015-05-20 A kind of jib crane of configuration pressure rope structure
CN201510256850.2A Active CN104973522B (en) 2015-05-20 2015-05-20 Jib crane
CN201610824858.9A Active CN106395646B (en) 2015-05-20 2015-05-20 A kind of jib crane
CN201610828338.5A Active CN106379826B (en) 2015-05-20 2015-05-20 A kind of reel
CN201610828346.XA Active CN106335850B (en) 2015-05-20 2015-05-20 A kind of brake
CN201610825285.1A Active CN106402203B (en) 2015-05-20 2015-05-20 Arm crane with brake
CN201610828294.6A Active CN106348187B (en) 2015-05-20 2015-05-20 A kind of jib crane with reel
CN201610825170.2A Pending CN106276654A (en) 2015-05-20 2015-05-20 A kind of jib crane optimizing reel mounting structure
CN201610824421.5A Active CN106348190B (en) 2015-05-20 2015-05-20 A kind of hoist engine
CN201610825102.6A Pending CN106429924A (en) 2015-05-20 2015-05-20 Arm type crane for optimizing lifting limiter
CN201610824409.4A Active CN106276653B (en) 2015-05-20 2015-05-20 Arm crane with novel frequency converter
CN201610828215.1A Active CN106379820B (en) 2015-05-20 2015-05-20 A kind of jib crane configuring shutdown control system
CN201610828269.8A Active CN106276636B (en) 2015-05-20 2015-05-20 A kind of motor stopping control mechanism
CN201610825105.XA Active CN106276635B (en) 2015-05-20 2015-05-20 A kind of jib crane configuring novel winding drum
CN201610824877.1A Active CN106379818B (en) 2015-05-20 2015-05-20 A kind of jib crane optimizing drum support
CN201610824407.5A Active CN106429895B (en) 2015-05-20 2015-05-20 A kind of jib crane optimizing steel cable winding arrangement
CN201610828104.0A Active CN106379819B (en) 2015-05-20 2015-05-20 A kind of motor speed regulation system
CN201610824850.2A Pending CN106429923A (en) 2015-05-20 2015-05-20 Novel arm type crane
CN201610824425.3A Active CN106379817B (en) 2015-05-20 2015-05-20 A kind of hoist engine
CN201610826168.7A Active CN106395647B (en) 2015-05-20 2015-05-20 A kind of jib crane with new type inverter

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CN201610826170.4A Pending CN106395648A (en) 2015-05-20 2015-05-20 Jig hoist provided with optimized coiling block connecting structure
CN201610825078.6A Active CN106629440B (en) 2015-05-20 2015-05-20 A kind of jib crane of configuration pressure rope structure
CN201510256850.2A Active CN104973522B (en) 2015-05-20 2015-05-20 Jib crane
CN201610824858.9A Active CN106395646B (en) 2015-05-20 2015-05-20 A kind of jib crane
CN201610828338.5A Active CN106379826B (en) 2015-05-20 2015-05-20 A kind of reel
CN201610828346.XA Active CN106335850B (en) 2015-05-20 2015-05-20 A kind of brake
CN201610825285.1A Active CN106402203B (en) 2015-05-20 2015-05-20 Arm crane with brake
CN201610828294.6A Active CN106348187B (en) 2015-05-20 2015-05-20 A kind of jib crane with reel
CN201610825170.2A Pending CN106276654A (en) 2015-05-20 2015-05-20 A kind of jib crane optimizing reel mounting structure
CN201610824421.5A Active CN106348190B (en) 2015-05-20 2015-05-20 A kind of hoist engine
CN201610825102.6A Pending CN106429924A (en) 2015-05-20 2015-05-20 Arm type crane for optimizing lifting limiter
CN201610824409.4A Active CN106276653B (en) 2015-05-20 2015-05-20 Arm crane with novel frequency converter
CN201610828215.1A Active CN106379820B (en) 2015-05-20 2015-05-20 A kind of jib crane configuring shutdown control system
CN201610828269.8A Active CN106276636B (en) 2015-05-20 2015-05-20 A kind of motor stopping control mechanism

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CN201610824877.1A Active CN106379818B (en) 2015-05-20 2015-05-20 A kind of jib crane optimizing drum support
CN201610824407.5A Active CN106429895B (en) 2015-05-20 2015-05-20 A kind of jib crane optimizing steel cable winding arrangement
CN201610828104.0A Active CN106379819B (en) 2015-05-20 2015-05-20 A kind of motor speed regulation system
CN201610824850.2A Pending CN106429923A (en) 2015-05-20 2015-05-20 Novel arm type crane
CN201610824425.3A Active CN106379817B (en) 2015-05-20 2015-05-20 A kind of hoist engine
CN201610826168.7A Active CN106395647B (en) 2015-05-20 2015-05-20 A kind of jib crane with new type inverter

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