CN107399676B - A kind of double girder overhead crane - Google Patents

A kind of double girder overhead crane Download PDF

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Publication number
CN107399676B
CN107399676B CN201710830628.8A CN201710830628A CN107399676B CN 107399676 B CN107399676 B CN 107399676B CN 201710830628 A CN201710830628 A CN 201710830628A CN 107399676 B CN107399676 B CN 107399676B
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China
Prior art keywords
groups
support
double girder
overhead crane
lifting
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CN201710830628.8A
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CN107399676A (en
Inventor
李宏娟
王全伟
徐格宁
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Taiyuan University of Science and Technology
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Taiyuan University of Science and Technology
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/12Slings comprising chains, wires, ropes, or bands; Nets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads

Abstract

The invention discloses a kind of double girder overhead cranes, including two groups of support stringers, support stringer described in two groups is along the two side that workshop length direction is mounted on workshop top, support stringer described in two groups is provided with first movement track along its length, it is movably installed with mobile device on two groups of first movement tracks, two groups of support beams being mutually parallel are installed between mobile device described in two groups, support beam described in two groups is both provided with the second moving track along its length, it is movably installed with locomotive on second moving track described in two groups, electric block is installed on the locomotive, the electric block is connected with one end of lifting rope, the other end of lifting rope connects balancing device.Balancing device of the present invention is designed as three groups of support arms so that the cargo of lower end, by the power in three directions, prevents cargo from generating shaking when lifting by crane transport, ensure that its balance and stability, improve the safety of double girder overhead crane lifting cargo in lifting.

Description

A kind of double girder overhead crane
Technical field
The present invention relates to crane technical field more particularly to a kind of double girder overhead cranes.
Background technology
Bridge crane is that crossbearer carries out the lifting equipment of material handling in workshop, warehouse and stock ground overhead.Overhead traveling crane The both ends of machine are located on tall and big concrete column or metallic support, and shape is like bridge.The crane span structure edge of bridge crane is laid on two Track on side is overhead is longitudinally running, can make full use of the space handling material below crane span structure, not hindered by ground installation. Bridge crane can be divided into ordinary bridge crane, simple bridge type crane and metallurgical special three kinds of bridge crane.Simply Bridge type crane is also known as beam cranes, and structure composition is similar with ordinary bridge crane, lifting capacity, span and work speed Degree is smaller.Bridge girder by I-steel or other shaped steel and slab form it is simple cut section bar, with chain block or electronic Cucurbit mixes Simple small as trolley, and trolley is generally run on the lower flange of I-beam.Single-beam crane is bridge-type One kind of crane, mostly matches with electric block, is a kind of light crane equipment having running track.Single-beam crane is wide It is general to be applied to industrial and mining enterprises, it is moved horizontally come carrying heavy goods along fixed guide rail by four driving wheels on the end carriage of both ends.
Existing double girder overhead crane vertically plays hoisting by multiply lifting rope mostly in lifting cargo Object, this mode make cargo easy to produce shaking in transport, and lifting is unstable, not only big to the load of lifting rope, simultaneously The people near lifting cargo and object are threatened, we design a kind of double girder overhead crane thus, to solve the above problems.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of two-beam bridge lifting proposed Machine.
To achieve the goals above, present invention employs following technical solutions:
A kind of double girder overhead crane, including two groups of support stringers, support stringer described in two groups are pacified along workshop length direction On the two side of workshop top, support stringer described in two groups is provided with first movement track along its length, two group first It is movably installed with mobile device on moving track, two groups of branch being mutually parallel are installed between mobile device described in two groups Crossbeam is supportted, support beam described in two groups is both provided with the second moving track along its length, on the second moving track described in two groups It is movably installed with locomotive, electric block is installed on the locomotive, the electric block is connected with one end of lifting rope, institute The other end for stating lifting rope is fixedly connected with balancing device;
The balancing device includes support disk, and one end branch of the lifting rope far from electric block is in three groups of connections Rope, and the equidistant edge for being fixedly connected on support disk in the three groups of one end of connecting rope far from lifting rope, the support disk Circumferential side wall it is equidistant three groups of electric rotation shafts are installed, the electric rotation shaft is rotatably connected to one end of support arm, the branch The one end of brace far from electric rotation shaft is installed with fixed pulley, and the support disk upper surface is close to the position of three groups of electric rotation shafts It sets and is separately installed with winding plant, the winding plant is connected with one end of fixed rope, and the other end of the fixed rope is around fixed Pulley is connected with attachment device, and the position for supporting the bottom of disk to be located at three groups of support arms is both provided with bearing diagonal.
Preferably, the bearing diagonal includes mounting seat, and the mounting seat is welded on support disk, and mounting seat It is fixedly connected with one end of inclined shore bar, the other end of the inclined shore bar is provided with support plate, and the support plate is first-class Distance is provided with buffer spring, and the other end of the buffer spring is fixedly connected on antiskid plate, and antiskid plate connects with support arm It touches.
Preferably, the attachment device is one kind in hook and Pneumatic clamping jaw.
Preferably, it is provided with rope limiter above the fixed pulley.
Preferably, the support disk, support arm and bearing diagonal are all made of high strength alloy steel and are made.
Compared with prior art, the beneficial effects of the invention are as follows:In the present invention, balance is devised at the lifting end of lifting rope Device, and lifting rope and balancing device form stable triangular connection structure, balancing device same design by three point attachment For three groups of support arms so that the cargo of lower end, by the power in three directions, prevents cargo from being generated when lifting by crane transport in lifting It shakes, ensure that its balance and stability, improve the safety of double girder overhead crane lifting cargo.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of double girder overhead crane proposed by the present invention;
Fig. 2 is a kind of side view of double girder overhead crane proposed by the present invention;
Fig. 3 is a kind of structural schematic diagram of the balancing device of double girder overhead crane proposed by the present invention;
Fig. 4 is a kind of vertical view of the balancing device of double girder overhead crane proposed by the present invention;
Fig. 5 is a kind of structural schematic diagram of the bearing diagonal of double girder overhead crane proposed by the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of double girder overhead crane, including two groups of support stringers 1, two groups of support stringers 1 are long along workshop Direction to be spent to be mounted on the two side of workshop top, two groups of support stringers 1 are provided with first movement track 2 along its length, and two It is movably installed with mobile device 3 on group first movement track 2, two groups are installed between two groups of mobile devices 3 and is mutually put down Capable support beam 4, two groups of support beams 4 are both provided with the second moving track 5, two group of second moving track 5 along its length On be movably installed with locomotive 6, electric block 7 is installed on locomotive 6, electric block 7 is connected with one end of lifting rope 8, rise The other end of lifting rope 8 is fixedly connected with balancing device 9;
Balancing device 9 includes support disk 10, and one end branch of the lifting rope 8 far from electric block 7 is in three groups of connecting ropes, and The equidistant edge for being fixedly connected on support disk 10 in the three groups of one end of connecting rope far from lifting rope 8, supports the circle of disk 10 All side walls are equidistant to be equipped with three groups of electric rotation shafts 11, and electric rotation shaft 11 is rotatably connected to one end of support arm 12, support arm 12 One end far from electric rotation shaft 11 is installed with fixed pulley 13, and the top of fixed pulley 13 is provided with rope limiter, and branch is held round 10 upper surface of disk is separately installed with winding plant 14 close to the position of three groups of electric rotation shafts 11, and winding plant 14 is connected with fixed rope The other end of 15 one end, fixed rope 15 is connected with attachment device 16 around fixed pulley 13, and attachment device 16 is for hook and pneumatically One kind in clamping jaw supports the position that the bottom of disk 10 is located at three groups of support arms 12 to be both provided with bearing diagonal 17, bearing diagonal 17 Including mounting seat 171, mounting seat 171 is welded on support disk 10, and mounting seat 171 is fixedly connected with inclined shore One end of bar 172, the other end of inclined shore bar 172 are provided with support plate 173, equidistant in support plate 173 to be provided with buffering The other end of spring 174, buffer spring 174 is fixedly connected on antiskid plate 175, and antiskid plate 175 is contacted with support arm 12, branch It holds round disk 10, support arm 12 and bearing diagonal 17 and is all made of high strength alloy steel and be made.
In the use of the present invention, mobile device 3 moves on first movement track 2, the movement of Y-direction is realized, it is mobile Vehicle 6 moves on the second moving track 5, realizes the movement of X-direction, when locomotive 6 lifts cargo by electric block 7, electricity The other end for the lifting rope 8 that dynamic cucurbit 7 connects is divided into three connecting ropes, and it is triangular in shape with balancing device 9 by three point attachment, Stable triangular connection structure is formed, the circumferential side wall of the support disk 10 on balancing device 9 has been equidistantly positioned three groups of branch Brace 12 is similarly formed the rock-steady structure of triangle so that the cargo of lower end, by the power in three directions, prevents goods in lifting Object generates shaking when lifting by crane transport, ensure that its balance and stability, when not in use, three groups of support arms 12 can be by electronic Shaft 11 goes to the top of support disk 10, and to reduce the occupied space of balancing device 9, bearing diagonal 17 is played to support arm 12 Supporting role, can bear the pulling force of bigger, the heavier cargo of lifting, and the setting of buffer spring 174 makes support arm 12 Certain buffering can be obtained when lifting cargo.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (5)

1. a kind of double girder overhead crane, including two groups of support stringers (1), which is characterized in that support stringer (1) edge described in two groups Workshop length direction is mounted on the two side of workshop top, and support stringer (1) described in two groups is provided with first along its length Moving track (2) is movably installed with mobile device (3) on two groups of first movement tracks (2), mobile device (3) described in two groups Between be installed with two groups of support beams being mutually parallel (4), support beam (4) described in two groups is both provided with along its length Second moving track (5), is movably installed with locomotive (6) on the second moving track (5) described in two groups, on the locomotive (6) Electric block (7) is installed, the electric block (7) is connected with one end of lifting rope (8), the other end of the lifting rope (8) It is connected with balancing device (9);
The balancing device (9) includes support disk (10), and one end branch of the lifting rope (8) far from electric block (7) is in Three groups of connecting ropes, and the equidistant edge for being fixedly connected on support disk (10) in the one end of three groups of connecting ropes far from lifting rope (8) Place, the circumferential side wall of the support disk (10) is equidistant to be equipped with three groups of electric rotation shafts (11), and the electric rotation shaft (11) turns Dynamic one end for being connected with support arm (12), the one end of the support arm (12) far from electric rotation shaft (11) are installed with fixed pulley (13), support disk (10) upper surface is separately installed with winding plant (14) close to the position of three groups of electric rotation shafts (11), The winding plant (14) is connected with one end of fixed rope (15), and the other end of the fixed rope (15) connects around fixed pulley (13) It is connected to attachment device (16), the position for supporting the bottom of disk (10) to be located at three groups of support arms (12) is both provided with bearing diagonal (17)。
2. a kind of double girder overhead crane according to claim 1, which is characterized in that the bearing diagonal (17) includes installation Pedestal (171), the mounting seat (171) is welded on support disk (10), and mounting seat (171) is fixedly connected with inclination The other end of one end of supporting rod (172), the inclined shore bar (172) is provided with support plate (173), the support plate (173) equidistant on to be provided with buffer spring (174), the other end of the buffer spring (174) is fixedly connected on antiskid plate (175) on, and antiskid plate (175) is contacted with support arm (12).
3. a kind of double girder overhead crane according to claim 1, which is characterized in that the attachment device (16) is hook With one kind in Pneumatic clamping jaw.
4. a kind of double girder overhead crane according to claim 1, which is characterized in that set above the fixed pulley (13) It is equipped with rope limiter.
5. a kind of double girder overhead crane according to claim 1, which is characterized in that the support disk (10), support Arm (12) and bearing diagonal (17) are all made of high strength alloy steel and are made.
CN201710830628.8A 2017-09-08 2017-09-08 A kind of double girder overhead crane Active CN107399676B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110054077B (en) * 2019-04-30 2020-12-22 中国水利水电第四工程局有限公司 Method for hoisting fan blade

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192381B (en) * 1958-10-09 1965-05-06 Gen Mills Inc Trolley
CN102471042A (en) * 2009-08-06 2012-05-23 德马格起重机及部件有限公司 Traveling crane having traveler and hoisting winch
CN203486732U (en) * 2013-09-26 2014-03-19 中国化学工程第六建设有限公司 Hoisting device for hydraulic lifter
CN104444772A (en) * 2014-11-03 2015-03-25 无锡市百顺机械厂 Lifting tool
CN104444770A (en) * 2014-11-03 2015-03-25 无锡市百顺机械厂 Lifting tool
CN204265292U (en) * 2014-11-24 2015-04-15 山东永泰化工有限公司 A kind of tyre crane shipping unit
CN106379814A (en) * 2015-12-14 2017-02-08 周韵贤 Crane pulley lifting grabbing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1192381B (en) * 1958-10-09 1965-05-06 Gen Mills Inc Trolley
CN102471042A (en) * 2009-08-06 2012-05-23 德马格起重机及部件有限公司 Traveling crane having traveler and hoisting winch
CN203486732U (en) * 2013-09-26 2014-03-19 中国化学工程第六建设有限公司 Hoisting device for hydraulic lifter
CN104444772A (en) * 2014-11-03 2015-03-25 无锡市百顺机械厂 Lifting tool
CN104444770A (en) * 2014-11-03 2015-03-25 无锡市百顺机械厂 Lifting tool
CN204265292U (en) * 2014-11-24 2015-04-15 山东永泰化工有限公司 A kind of tyre crane shipping unit
CN106379814A (en) * 2015-12-14 2017-02-08 周韵贤 Crane pulley lifting grabbing device

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