CN109502496A - A kind of differential type hoisting method - Google Patents

A kind of differential type hoisting method Download PDF

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Publication number
CN109502496A
CN109502496A CN201811641615.7A CN201811641615A CN109502496A CN 109502496 A CN109502496 A CN 109502496A CN 201811641615 A CN201811641615 A CN 201811641615A CN 109502496 A CN109502496 A CN 109502496A
Authority
CN
China
Prior art keywords
differential
rope
reel
raising
drum
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
Application number
CN201811641615.7A
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Chinese (zh)
Inventor
曾文
吴思够
郭峰
张君松
贺诚
许强
李春蛟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinohydro Bureau 7 Co Ltd
Sinohydro Jiajiang Hydraulic Machinery Co Ltd
Original Assignee
Sinohydro Bureau 7 Co Ltd
Sinohydro Jiajiang Hydraulic Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sinohydro Bureau 7 Co Ltd, Sinohydro Jiajiang Hydraulic Machinery Co Ltd filed Critical Sinohydro Bureau 7 Co Ltd
Priority to CN201811641615.7A priority Critical patent/CN109502496A/en
Publication of CN109502496A publication Critical patent/CN109502496A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/26Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/12Driving gear incorporating electric motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • B66D1/30Rope, cable, or chain drums or barrels
    • B66D1/34Attachment of ropes or cables to drums or barrels

Abstract

The invention discloses a kind of differential type hoisting methods, belong to hoisting machinery technical field, which comprises the following steps: a, calculate the moment of resistance that retarder overcomes differential reel group;B, the promotion speed of differential type hoist lifting device is calculated;C, start motor, motor delivers power to retarder by shaft coupling, and differential reel group is driven to rotate;Under the action of motor, the second differential reel, which rotates clockwise, moves into one end of raising rope in the second drum rope groove, and the other end of raising rope is laid out from the first drum rope groove of the first differential reel;D, when article being lifted to predeterminated position, by the brake being mounted at shaft coupling, hoisting movement is completed.The present invention can be realized lifting mechanism large capacity, dead slow speed lifting, ensured lifting stability and safety, entire method for improving is easy to operate, smooth and highly-safe by using differential reel group and specific rope canoe.

Description

A kind of differential type hoisting method
Technical field
The present invention relates to hoisting machinery technical field more particularly to a kind of differential type hoisting methods.
Background technique
Hoist engine is a kind of with reel winding wire ropes or chain lifting or the light and small heavy-duty hoisting equipment of traction, again Claim winch.Hoist engine can with vertical-lift, horizontally or diagonally drag and draw weight.
Hoist engine is divided into manual hoist, electrical hoist and three kinds of hydraulic winch.Now based on electrical hoist. It can be used alone, lifting can also be made, built the road and the building block in winding machine, because easy to operate, wiring amount is big, dislocation Conveniently it is widely applied.
Traditional elevator hoisting way generally uses duplex monovolume barrel structure, and two raising ropes are from the same of reel radial direction Side is on reel.When driving device drives reel rotation, two ropes move into drum rope groove or simultaneously around rope stretching simultaneously Slot.The moment of resistance that two ropes generate reel is in the same direction, is stacking pattern.Driving device required main resistance overcome when working Torque is the sum of the moment of resistance that two ropes generate reel.Therefore, for single drum lifting mechanism, sling load is limited by The bearing capacity of retarder driving part and cannot be very big, lifting speed is limited by retarder speed ratio and can not achieve dead slow speed. Large capacity, low speed hoisting function are able to achieve using multiple roller lifting mechanism, but its shape arrangement is huge, investment construction, operation and The heavy workload of maintenance, cost are also relatively high.
Publication No. CN 206606957U, publication date are that the Chinese patent literature on November 03rd, 2017 discloses one kind Crane wire rope handling hoisting mechanism, it is characterised in that: including hydraulic motor, rack, reel, brake, differential planetary gear train, steel Cord and rope processing device;The reel is set to rotation connection in rack, the reel be internally provided with differential planetary gear train and Brake, the hydraulic motor are sequentially connected by differential planetary gear train with reel;The reel outer wall is wound with wirerope, The rope processing device for limiting wirerope is provided in the rack.
The wire rope handling hoisting mechanism of crane disclosed in the patent document is set using reel and the integrated reel of ring gear Meter, the structure of built-in second level differential gear train, planet carrier use the desk-top planet carrier of integral slab, the axial ruler in same gear ratios It is very little small, it is compact-sized, so as to reduce the outer dimension of wire rope handling elevator.But it cannot achieve lifting mechanism large capacity, dead slow speed Lifting, lifts by crane stability and safety is not good enough.
Summary of the invention
The present invention in order to overcome the defects of the prior art described above, provides a kind of differential type hoisting method, and the present invention is logical It crosses using differential reel group and specific rope canoe, can be realized lifting mechanism large capacity, dead slow speed lifting, ensured Stability and safety are hung, entire method for improving is easy to operate, smooth and highly-safe.
The present invention is achieved through the following technical solutions:
A kind of differential type hoisting method, which comprises the following steps:
A, the moment of resistance that retarder overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor, motor delivers power to retarder by shaft coupling, and differential reel group is driven to rotate;? Under the action of motor, the second differential reel, which rotates clockwise, moves into one end of raising rope in the second drum rope groove, raising The other end of rope is laid out from the first drum rope groove of the first differential reel;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the brake being mounted at shaft coupling Hoisting movement is completed in braking.
The differential type hoist lifting device includes bearing block, spool shaft, fixed pulley assembly, movable pulley component, raising line Rope, the first rope Anchor plate kit, the second rope Anchor plate kit and retarder, raising rope solderless wrapped connection is in movable pulley component and fixed pulley It further include differential reel group, shaft coupling and motor on component, the differential reel group is fixed in spool shaft, differential reel Group is made of one piece by the first differential reel and the second differential reel, and it is differential that the diameter of the first differential reel is greater than second The diameter of reel, one end of the raising rope are fixed on the end of the first differential reel by the first rope Anchor plate kit, rise The other end for rising rope is fixed on the end of the second differential reel by the second rope Anchor plate kit, one end of the spool shaft and Bearing block connection, the other end of spool shaft connect with retarder, and one end of the shaft coupling is connect with retarder, shaft coupling it is another One end is connect with motor, is equipped with brake at the shaft coupling.
The fixed pulley assembly is located at below differential reel group, and movable pulley component is located at below fixed pulley assembly, differential volume The axis of cylinder group and the axis of fixed pulley assembly are parallel to each other, and the axis of fixed pulley assembly and the axis of movable pulley component are mutually flat Row.
It is provided with the first drum rope groove on the first differential reel, the second drum rope groove is provided on the second differential reel, the The cross sectional dimensions size of one drum rope groove and the cross sectional dimensions size of the second drum rope groove are identical.
The rope groove rotation direction of first drum rope groove and the rope groove rotation direction of the second drum rope groove are identical.
One end of the raising rope is moved into from the second drum rope groove of the second differential reel, the other end of raising rope from First drum rope groove of the first differential reel is laid out.
The depth of first drum rope groove is 0.3 times of raising rope diameter, the depth of the first drum rope groove and second The depth of drum rope groove is identical.
Working principle of the present invention is as follows:
1, since raising rope ends are respectively from the two sides rope stretching of differential reel group radial direction, the both ends pair of raising rope The differential additional moment of resistance of reel group is abatement relationship, therefore retarder needs the moment of resistance in the differential reel group overcome to pass through Formula 1 calculates:
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
By formula 1 it is found that lifting Item Weight G is certain, mono- timing of pulley number a of movable pulley component, retarder needs gram The size of moment of resistance M in the differential reel group of clothes is differential by the coiling diameter D and second of raising rope on the first differential reel The difference of the coiling diameter d of raising rope determines that difference is smaller, and moment of resistance M is just smaller, that is, holds to retarder on reel It is lower to carry requirement.
2, when motor drives the rotation of differential reel group, since raising rope ends are respectively from differential reel group radial direction Two sides rope stretching, therefore promote speed and calculated by formula 2:
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
By formula 2 it is found that the pulley number a of movable pulley component is certain, the transmission ratio i of retarder is certain, the revolving speed n of motor One timing promotes speed by raising rope on the differential reel of coiling diameter D and second of raising rope on the first differential reel The difference of coiling diameter d determines that difference is smaller, and it is lower to promote speed V.
3, when promoting speed V is given value, then the gear ratio calculation formula of retarder are as follows:
By formula 3 it is found that being given value when promoting speed V, the pulley number a of movable pulley component is certain, the revolving speed n of motor One timing, the transmission ratio i of retarder is by raising on the differential reel of coiling diameter D and second of raising rope on the first differential reel The difference of the coiling diameter d of rope determines that difference is smaller, and the transmission ratio i of required retarder is lower.
Beneficial effects of the present invention are mainly manifested in following aspect:
One, of the invention, " moment of resistance that retarder overcomes differential reel group a, is calculated, is calculated by formula 1;B, it calculates differential The promotion speed of formula hoist lifting device, is calculated by formula 2;C, start motor, motor passes through shaft coupling for power transmission To retarder, differential reel group is driven to rotate;Under the action of motor, the second differential reel is rotated clockwise raising rope One end move into the second drum rope groove, the other end of raising rope is laid out from the first drum rope groove of the first differential reel;d, When article is lifted to predeterminated position by differential type hoist lifting device, by the brake being mounted at shaft coupling, complete Hoisting movement ", compared with the prior art, by using differential reel group and specific rope canoe, can be realized Lifting mechanism large capacity, dead slow speed lifting, have ensured lifting stability and safety, entire method for improving is easy to operate, it is smooth and It is highly-safe.
Two, of the invention, differential reel group is fixed in spool shaft, and differential reel group is differential by the first differential reel and second Reel is made of one piece, and the diameter of the first differential reel is greater than the diameter of the second differential reel, and one end of raising rope passes through First rope Anchor plate kit is fixed on the end of the first differential reel, and the other end of raising rope passes through the second rope Anchor plate kit It is fixed on the end of the second differential reel, one end of spool shaft is connect with bearing block, and the other end of spool shaft is connect with retarder, One end of shaft coupling is connect with retarder, and the other end of shaft coupling is connect with motor, and brake is equipped at shaft coupling, is used When, since the first differential reel of differential reel group and the second differential reel are arranged to different-diameter size, so that raising line The both ends of rope are abatement relationship to the differential additional moment of resistance of reel group, and then can reduce the bearing requirements to retarder, because For this Chinese patent literature compared with Publication No. CN 206606957U, lifting mechanism large capacity, dead slow speed lifting can be realized, Ensure lifting stability and safety.
Three, of the invention, fixed pulley assembly is located at below differential reel group, and movable pulley component is located at below fixed pulley assembly, The axis of differential reel group and the axis of fixed pulley assembly are parallel to each other, the axis of fixed pulley assembly and the axis of movable pulley component It is parallel to each other, fixed pulley assembly, differential reel group and movable pulley component use this specific layout, are conducive to improve lifting article When lifting stationarity and smoothness.
Four, of the invention, it is provided with the first drum rope groove on the first differential reel, is provided with the second spool rope on the second differential reel Slot, the cross sectional dimensions size of the first drum rope groove and the cross sectional dimensions size of the second drum rope groove are identical, are conducive to improve Rise winding stability of the rope in entire differential reel group.
Five, of the invention, the rope groove rotation direction of the first drum rope groove and the rope groove rotation direction of the second drum rope groove are identical, can be more Smoothly lift by crane article.
Six, of the invention, one end of raising rope is moved into from the second drum rope groove of the second differential reel, raising rope it is another One end is laid out from the first drum rope groove of the first differential reel, can preferably reduce promotion speed, thus realize that dead slow speed is lifted by crane, Safety is lifted by crane to ensure.
Seven, of the invention, the depth of the first drum rope groove is 0.3 times of raising rope diameter, the depth of the first drum rope groove It is identical as the depth of the second drum rope groove, by the way that the depth of the first drum rope groove is arranged to 0.3 times of raising rope diameter, energy Enough further increase the winding stability of raising rope.
Detailed description of the invention
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, in which:
Fig. 1 is the structural schematic diagram of differential type hoist lifting device of the present invention;
Fig. 2 is the side view of differential type hoist lifting device of the present invention;
Marked in the figure: 1, bearing block, 2, spool shaft, 3, fixed pulley assembly, 4, movable pulley component, 5, raising rope, 6, One rope Anchor plate kit, the 7, second rope Anchor plate kit, 8, retarder, 9, shaft coupling, 10, motor, the 11, first differential volume Cylinder, the 12, second differential reel, 13, brake, the 14, first drum rope groove, the 15, second drum rope groove.
Specific embodiment
Embodiment 1
A kind of differential type hoisting method, comprising the following steps:
A, the moment of resistance that retarder 8 overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor 10, motor 10 delivers power to retarder 8 by shaft coupling 9, drives differential reel group Rotation;Under the action of motor 10, the second differential reel 12, which is rotated clockwise, moves into the second reel for one end of raising rope 5 In rope groove 15, the other end of raising rope 5 is laid out from the first drum rope groove 14 of the first differential reel 11;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling 9 Device 13 is braked, and hoisting movement is completed.
The present embodiment is most basic embodiment, " a, calculates the moment of resistance that retarder overcomes differential reel group, passes through formula 1 calculates;B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;C, start motor, motor passes through Shaft coupling delivers power to retarder, and differential reel group is driven to rotate;Under the action of motor, the second differential reel up time Needle rotation moves into one end of raising rope in the second drum rope groove, and the other end of raising rope is from the first of the first differential reel Drum rope groove is laid out;D, when article is lifted to predeterminated position by differential type hoist lifting device, by being mounted at shaft coupling Brake completes hoisting movement ", compared with the prior art, twined by using differential reel group and specific rope Around mode, it can be realized lifting mechanism large capacity, dead slow speed lifting, ensured lifting stability and safety, entire method for improving It is easy to operate, smooth and highly-safe.
Embodiment 2
A kind of differential type hoisting method, comprising the following steps:
A, the moment of resistance that retarder 8 overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor 10, motor 10 delivers power to retarder 8 by shaft coupling 9, drives differential reel group Rotation;Under the action of motor 10, the second differential reel 12, which is rotated clockwise, moves into the second reel for one end of raising rope 5 In rope groove 15, the other end of raising rope 5 is laid out from the first drum rope groove 14 of the first differential reel 11;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling 9 Device 13 is braked, and hoisting movement is completed.
The differential type hoist lifting device includes bearing block 1, spool shaft 2, fixed pulley assembly 3, movable pulley component 4, rises Rope 5, the first rope Anchor plate kit 6, the second rope Anchor plate kit 7 and retarder 8 are risen, 5 solderless wrapped connection of raising rope is in running block It further include differential reel group, shaft coupling 9 and motor 10 on part 4 and fixed pulley assembly 3, differential reel group is fixed on spool shaft 2 On, differential reel group is made of one piece by the first differential reel 11 and the second differential reel 12, the first differential reel 11 it is straight Diameter is greater than the diameter of the second differential reel 12, and it is differential that one end of raising rope 5 by the first rope Anchor plate kit 6 is fixed on first The end of reel 11, the other end of raising rope 5 are fixed on the end of the second differential reel 12 by the second rope Anchor plate kit 7 The one end in portion, spool shaft 2 is connect with bearing block 1, and the other end of spool shaft 2 is connect with retarder 8, one end of shaft coupling 9 with subtract Fast device 8 connects, and the other end of shaft coupling 9 is connect with motor 10, and brake 13 is equipped at shaft coupling 9.
The present embodiment is a better embodiment, and differential reel group is fixed in spool shaft, and differential reel group is poor by first Movable reel and the second differential reel are made of one piece, and the diameter of the first differential reel is greater than the diameter of the second differential reel, rise The one end for rising rope is fixed on the end of the first differential reel by the first rope Anchor plate kit, and the other end of raising rope passes through Second rope Anchor plate kit is fixed on the end of the second differential reel, and one end of spool shaft is connect with bearing block, spool shaft it is another One end is connect with retarder, and one end of shaft coupling is connect with retarder, and the other end of shaft coupling is connect with motor, at shaft coupling Brake is installed, in use, different straight since the first differential reel of differential reel group and the second differential reel to be arranged to Diameter size so that the both ends of raising rope are abatement relationship to the differential additional moment of resistance of reel group, and then can reduce to subtracting The bearing requirements of fast device, therefore for the Chinese patent literature compared with Publication No. CN206606957U, it can be realized lifting mechanism Large capacity, dead slow speed lifting, have ensured lifting stability and safety.
Embodiment 3
A kind of differential type hoisting method, comprising the following steps:
A, the moment of resistance that retarder 8 overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor 10, motor 10 delivers power to retarder 8 by shaft coupling 9, drives differential reel group Rotation;Under the action of motor 10, the second differential reel 12, which is rotated clockwise, moves into the second reel for one end of raising rope 5 In rope groove 15, the other end of raising rope 5 is laid out from the first drum rope groove 14 of the first differential reel 11;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling 9 Device 13 is braked, and hoisting movement is completed.
The differential type hoist lifting device includes bearing block 1, spool shaft 2, fixed pulley assembly 3, movable pulley component 4, rises Rope 5, the first rope Anchor plate kit 6, the second rope Anchor plate kit 7 and retarder 8 are risen, 5 solderless wrapped connection of raising rope is in running block It further include differential reel group, shaft coupling 9 and motor 10 on part 4 and fixed pulley assembly 3, differential reel group is fixed on spool shaft 2 On, differential reel group is made of one piece by the first differential reel 11 and the second differential reel 12, the first differential reel 11 it is straight Diameter is greater than the diameter of the second differential reel 12, and it is differential that one end of raising rope 5 by the first rope Anchor plate kit 6 is fixed on first The end of reel 11, the other end of raising rope 5 are fixed on the end of the second differential reel 12 by the second rope Anchor plate kit 7 The one end in portion, spool shaft 2 is connect with bearing block 1, and the other end of spool shaft 2 is connect with retarder 8, one end of shaft coupling 9 with subtract Fast device 8 connects, and the other end of shaft coupling 9 is connect with motor 10, and brake 13 is equipped at shaft coupling 9.
The fixed pulley assembly 3 is located at below differential reel group, and movable pulley component 4 is located at 3 lower section of fixed pulley assembly, differential The axis of reel group and the axis of fixed pulley assembly 3 are parallel to each other, the axis of fixed pulley assembly 3 and the axis of movable pulley component 4 It is parallel to each other.
The present embodiment is a better embodiment, and fixed pulley assembly is located at below differential reel group, and movable pulley component is located at Below fixed pulley assembly, the axis of differential reel group and the axis of fixed pulley assembly are parallel to each other, the axis of fixed pulley assembly with The axis of movable pulley component is parallel to each other, and fixed pulley assembly, differential reel group and movable pulley component use this specific layout, Stationarity and smoothness are lifted by crane conducive to when improving and lifting by crane article.
Embodiment 4
A kind of differential type hoisting method, comprising the following steps:
A, the moment of resistance that retarder 8 overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor 10, motor 10 delivers power to retarder 8 by shaft coupling 9, drives differential reel group Rotation;Under the action of motor 10, the second differential reel 12, which is rotated clockwise, moves into the second reel for one end of raising rope 5 In rope groove 15, the other end of raising rope 5 is laid out from the first drum rope groove 14 of the first differential reel 11;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling 9 Device 13 is braked, and hoisting movement is completed.
The differential type hoist lifting device includes bearing block 1, spool shaft 2, fixed pulley assembly 3, movable pulley component 4, rises Rope 5, the first rope Anchor plate kit 6, the second rope Anchor plate kit 7 and retarder 8 are risen, 5 solderless wrapped connection of raising rope is in running block It further include differential reel group, shaft coupling 9 and motor 10 on part 4 and fixed pulley assembly 3, differential reel group is fixed on spool shaft 2 On, differential reel group is made of one piece by the first differential reel 11 and the second differential reel 12, the first differential reel 11 it is straight Diameter is greater than the diameter of the second differential reel 12, and it is differential that one end of raising rope 5 by the first rope Anchor plate kit 6 is fixed on first The end of reel 11, the other end of raising rope 5 are fixed on the end of the second differential reel 12 by the second rope Anchor plate kit 7 The one end in portion, spool shaft 2 is connect with bearing block 1, and the other end of spool shaft 2 is connect with retarder 8, one end of shaft coupling 9 with subtract Fast device 8 connects, and the other end of shaft coupling 9 is connect with motor 10, and brake 13 is equipped at shaft coupling 9.
The fixed pulley assembly 3 is located at below differential reel group, and movable pulley component 4 is located at 3 lower section of fixed pulley assembly, differential The axis of reel group and the axis of fixed pulley assembly 3 are parallel to each other, the axis of fixed pulley assembly 3 and the axis of movable pulley component 4 It is parallel to each other.
It is provided with the first drum rope groove 14 on the first differential reel 11, is provided with the second spool rope on the second differential reel 12 Slot 15, the cross sectional dimensions size of the first drum rope groove 14 are identical as the cross sectional dimensions size of the second drum rope groove 15.
The rope groove rotation direction of first drum rope groove 14 is identical with the rope groove rotation direction of the second drum rope groove 15.
The present embodiment is another better embodiment, is provided with the first drum rope groove, the second differential volume on the first differential reel It is provided with the second drum rope groove on cylinder, the cross sectional dimensions size of the first drum rope groove and the cross sectional dimensions of the second drum rope groove are big It is small identical, conducive to winding stability of the raising rope in entire differential reel group is improved.
The rope groove rotation direction of first drum rope groove and the rope groove rotation direction of the second drum rope groove are identical, can more smoothly lift by crane Article.
Embodiment 5
A kind of differential type hoisting method, comprising the following steps:
A, the moment of resistance that retarder 8 overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor 10, motor 10 delivers power to retarder 8 by shaft coupling 9, drives differential reel group Rotation;Under the action of motor 10, the second differential reel 12, which is rotated clockwise, moves into the second reel for one end of raising rope 5 In rope groove 15, the other end of raising rope 5 is laid out from the first drum rope groove 14 of the first differential reel 11;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling 9 Device 13 is braked, and hoisting movement is completed.
The differential type hoist lifting device includes bearing block 1, spool shaft 2, fixed pulley assembly 3, movable pulley component 4, rises Rope 5, the first rope Anchor plate kit 6, the second rope Anchor plate kit 7 and retarder 8 are risen, 5 solderless wrapped connection of raising rope is in running block It further include differential reel group, shaft coupling 9 and motor 10 on part 4 and fixed pulley assembly 3, differential reel group is fixed on spool shaft 2 On, differential reel group is made of one piece by the first differential reel 11 and the second differential reel 12, the first differential reel 11 it is straight Diameter is greater than the diameter of the second differential reel 12, and it is differential that one end of raising rope 5 by the first rope Anchor plate kit 6 is fixed on first The end of reel 11, the other end of raising rope 5 are fixed on the end of the second differential reel 12 by the second rope Anchor plate kit 7 The one end in portion, spool shaft 2 is connect with bearing block 1, and the other end of spool shaft 2 is connect with retarder 8, one end of shaft coupling 9 with subtract Fast device 8 connects, and the other end of shaft coupling 9 is connect with motor 10, and brake 13 is equipped at shaft coupling 9.
The fixed pulley assembly 3 is located at below differential reel group, and movable pulley component 4 is located at 3 lower section of fixed pulley assembly, differential The axis of reel group and the axis of fixed pulley assembly 3 are parallel to each other, the axis of fixed pulley assembly 3 and the axis of movable pulley component 4 It is parallel to each other.
It is provided with the first drum rope groove 14 on the first differential reel 11, is provided with the second spool rope on the second differential reel 12 Slot 15, the cross sectional dimensions size of the first drum rope groove 14 are identical as the cross sectional dimensions size of the second drum rope groove 15.
The rope groove rotation direction of first drum rope groove 14 is identical with the rope groove rotation direction of the second drum rope groove 15.
One end of the raising rope 5 is moved into from the second drum rope groove 15 of the second differential reel 12, raising rope 5 it is another One end is laid out from the first drum rope groove 14 of the first differential reel 11.
The present embodiment is another better embodiment, the second drum rope groove of one end of raising rope from the second differential reel It moving into, the other end of raising rope is laid out from the first drum rope groove of the first differential reel, promotion speed can be preferably reduced, To realize that dead slow speed is lifted by crane, to ensure lifting safety.
Embodiment 6
A kind of differential type hoisting method, comprising the following steps:
A, the moment of resistance that retarder 8 overcomes differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d For the coiling diameter of raising rope on the second differential reel, a is the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor 10, motor 10 delivers power to retarder 8 by shaft coupling 9, drives differential reel group Rotation;Under the action of motor 10, the second differential reel 12, which is rotated clockwise, moves into the second reel for one end of raising rope 5 In rope groove 15, the other end of raising rope 5 is laid out from the first drum rope groove 14 of the first differential reel 11;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling 9 Device 13 is braked, and hoisting movement is completed.
The differential type hoist lifting device includes bearing block 1, spool shaft 2, fixed pulley assembly 3, movable pulley component 4, rises Rope 5, the first rope Anchor plate kit 6, the second rope Anchor plate kit 7 and retarder 8 are risen, 5 solderless wrapped connection of raising rope is in running block It further include differential reel group, shaft coupling 9 and motor 10 on part 4 and fixed pulley assembly 3, differential reel group is fixed on spool shaft 2 On, differential reel group is made of one piece by the first differential reel 11 and the second differential reel 12, the first differential reel 11 it is straight Diameter is greater than the diameter of the second differential reel 12, and it is differential that one end of raising rope 5 by the first rope Anchor plate kit 6 is fixed on first The end of reel 11, the other end of raising rope 5 are fixed on the end of the second differential reel 12 by the second rope Anchor plate kit 7 The one end in portion, spool shaft 2 is connect with bearing block 1, and the other end of spool shaft 2 is connect with retarder 8, one end of shaft coupling 9 with subtract Fast device 8 connects, and the other end of shaft coupling 9 is connect with motor 10, and brake 13 is equipped at shaft coupling 9.
The fixed pulley assembly 3 is located at below differential reel group, and movable pulley component 4 is located at 3 lower section of fixed pulley assembly, differential The axis of reel group and the axis of fixed pulley assembly 3 are parallel to each other, the axis of fixed pulley assembly 3 and the axis of movable pulley component 4 It is parallel to each other.
It is provided with the first drum rope groove 14 on the first differential reel 11, is provided with the second spool rope on the second differential reel 12 Slot 15, the cross sectional dimensions size of the first drum rope groove 14 are identical as the cross sectional dimensions size of the second drum rope groove 15.
The rope groove rotation direction of first drum rope groove 14 is identical with the rope groove rotation direction of the second drum rope groove 15.
One end of the raising rope 5 is moved into from the second drum rope groove 15 of the second differential reel 12, raising rope 5 it is another One end is laid out from the first drum rope groove 14 of the first differential reel 11.
The depth of first drum rope groove 14 is 0.3 times of 5 diameter of raising rope, the depth of the first drum rope groove 14 with The depth of second drum rope groove 15 is identical.
The present embodiment is preferred forms, " a, calculates the moment of resistance that retarder overcomes differential reel group, is counted by formula 1 It calculates;B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;C, start motor, motor passes through shaft coupling Device delivers power to retarder, and differential reel group is driven to rotate;Under the action of motor, the second differential reel turns clockwise It is dynamic to move into one end of raising rope in the second drum rope groove, the first reel of the other end of raising rope from the first differential reel Rope groove is laid out;D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the braking being mounted at shaft coupling Hoisting movement is completed in device braking ", compared with the prior art, by using differential reel group and specific rope winding side Formula can be realized lifting mechanism large capacity, dead slow speed lifting, ensure lifting stability and safety, entire method for improving operation Simply, smooth and highly-safe.
One end of raising rope is moved into from the second drum rope groove of the second differential reel, and the other end of raising rope is from first First drum rope groove of differential reel is laid out, and can preferably reduce promotion speed, to realize that dead slow speed is lifted by crane, to ensure lifting Safety.
The depth of first drum rope groove is 0.3 times of raising rope diameter, the depth of the first drum rope groove and the second reel The depth of rope groove is identical, by the way that the depth of the first drum rope groove is arranged to 0.3 times of raising rope diameter, can further mention The winding stability of high raising rope.

Claims (7)

1. a kind of differential type hoisting method, which comprises the following steps:
A, the moment of resistance that retarder (8) overcome differential reel group is calculated, is calculated by formula 1;
Wherein, M is the moment of resistance, and G is lifting Item Weight, and D is the coiling diameter of raising rope on the first differential reel, d the The coiling diameter of raising rope on two differential reels, a are the pulley number of movable pulley component;
B, the promotion speed for calculating differential type hoist lifting device, is calculated by formula 2;
Wherein, V is to promote speed, and i is the transmission ratio of retarder, and n is the revolving speed of motor;
C, start motor (10), motor (10) delivers power to retarder (8) by shaft coupling (9), drives differential volume Cylinder group rotation;Under the action of motor (10), the second differential reel (12) rotate clockwise by one end of raising rope (5) around Into in the second drum rope groove (15), the first drum rope groove (14) of the other end of raising rope (5) from the first differential reel (11) It lays out;
D, when article is lifted to predeterminated position by differential type hoist lifting device, pass through the brake being mounted at shaft coupling (9) (13) it brakes, completes hoisting movement.
2. a kind of differential type hoisting method according to claim 1, it is characterised in that: the differential type hoisting Device includes bearing block (1), spool shaft (2), fixed pulley assembly (3), movable pulley component (4), raising rope (5), the first rope Anchor plate kit (6), the second rope Anchor plate kit (7) and retarder (8), (5) solderless wrapped connection of raising rope is in movable pulley component (4) and determines It further include differential reel group, shaft coupling (9) and motor (10) on pulley assembly (3), differential reel group is fixed on spool shaft (2) on, differential reel group is made of one piece by the first differential reel (11) and the second differential reel (12), the first differential reel (11) diameter is greater than the diameter of the second differential reel (12), and one end of raising rope (5) passes through the first rope Anchor plate kit (6) It is fixed on the end of the first differential reel (11), the other end of raising rope (5) is fixed on by the second rope Anchor plate kit (7) The end of second differential reel (12), one end of spool shaft (2) are connect with bearing block (1), the other end of spool shaft (2) and deceleration Device (8) connection, one end of shaft coupling (9) are connect with retarder (8), and the other end of shaft coupling (9) is connect with motor (10), connection Brake (13) are installed at axis device (9).
3. a kind of differential type hoisting method according to claim 2, it is characterised in that: the fixed pulley assembly (3) Below differential reel group, movable pulley component (4) is located at below fixed pulley assembly (3), the axis of differential reel group with determine cunning The axis of wheel assembly (3) is parallel to each other, and the axis of the axis and movable pulley component (4) of fixed pulley assembly (3) is parallel to each other.
4. a kind of differential type hoisting method according to claim 2, it is characterised in that: the first differential reel (11) it is provided on the first drum rope groove (14), is provided with the second drum rope groove (15), the first spool rope on the second differential reel (12) The cross sectional dimensions size of slot (14) is identical as the cross sectional dimensions size of the second drum rope groove (15).
5. a kind of differential type hoisting method according to claim 4, it is characterised in that: first drum rope groove (14) rope groove rotation direction is identical with the rope groove rotation direction of the second drum rope groove (15).
6. a kind of differential type hoisting method according to claim 4, it is characterised in that: the raising rope (5) One end is moved into from the second drum rope groove (15) of the second differential reel (12), and the other end of raising rope (5) is from the first differential volume The first drum rope groove (14) of cylinder (11) is laid out.
7. a kind of differential type hoisting method according to claim 4, it is characterised in that: first drum rope groove (14) depth is 0.3 times of raising rope (5) diameter, depth and the second drum rope groove (15) of the first drum rope groove (14) Depth is identical.
CN201811641615.7A 2018-12-29 2018-12-29 A kind of differential type hoisting method Pending CN109502496A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110577166A (en) * 2019-09-18 2019-12-17 太原重工股份有限公司 Reducing drum of metallurgical crane and manufacturing method thereof
CN110723649A (en) * 2019-11-13 2020-01-24 大连华锐重工集团股份有限公司 Braking torque detection system of potential energy load mechanism for port machinery

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420072A (en) * 1944-09-02 1947-05-06 Foote Leonard Differential hoist
KR100866689B1 (en) * 2008-03-24 2008-11-04 박동화 A winch for log-skidding
CN201390620Y (en) * 2009-04-03 2010-01-27 辽宁抚挖重工机械股份有限公司 Integrated twin double-broken-line luffing drum
CN105043885A (en) * 2015-08-28 2015-11-11 中国水利水电第七工程局有限公司 Drum stress test device and method thereof
CN204882253U (en) * 2015-08-28 2015-12-16 中国水利水电第七工程局有限公司 Reel stress test device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420072A (en) * 1944-09-02 1947-05-06 Foote Leonard Differential hoist
KR100866689B1 (en) * 2008-03-24 2008-11-04 박동화 A winch for log-skidding
CN201390620Y (en) * 2009-04-03 2010-01-27 辽宁抚挖重工机械股份有限公司 Integrated twin double-broken-line luffing drum
CN105043885A (en) * 2015-08-28 2015-11-11 中国水利水电第七工程局有限公司 Drum stress test device and method thereof
CN204882253U (en) * 2015-08-28 2015-12-16 中国水利水电第七工程局有限公司 Reel stress test device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110577166A (en) * 2019-09-18 2019-12-17 太原重工股份有限公司 Reducing drum of metallurgical crane and manufacturing method thereof
CN110723649A (en) * 2019-11-13 2020-01-24 大连华锐重工集团股份有限公司 Braking torque detection system of potential energy load mechanism for port machinery
CN110723649B (en) * 2019-11-13 2023-10-03 大连华锐重工集团股份有限公司 Potential energy load mechanism braking moment detection system for harbour machinery

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Application publication date: 20190322