CN103086254A - Crawler crane combined lifting appliance - Google Patents
Crawler crane combined lifting appliance Download PDFInfo
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- CN103086254A CN103086254A CN2013100239484A CN201310023948A CN103086254A CN 103086254 A CN103086254 A CN 103086254A CN 2013100239484 A CN2013100239484 A CN 2013100239484A CN 201310023948 A CN201310023948 A CN 201310023948A CN 103086254 A CN103086254 A CN 103086254A
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Abstract
The invention relates to a crawler crane combined lifting appliance which comprises a triangle beam, a first connecting component, a large cross beam, a second connecting component, an upper lifting beam, a third connecting component and a weight tray; the triangle beam is connected with the large cross beam through the first connecting component; the large cross beam is vertically connected with the upper lifting beam through the second connecting component; the upper lifting beam is vertically connected with the weight tray through the third connecting component. According to the invention, a three-layer beam structure is formed by the triangle beam, the large cross beam and the upper lifting bam; the triangle beam, the first connecting component and the large cross beam form one-level triangle component force; the large cross beam and the second connecting component as well as the upper lifting beam, the upper lifting beam and the third connecting component as well as the weight tray together form the structure mode of two-level vertical component force; the height of a draw plate is controlled by utilizing the level-two and level-three vertical component force, the structure stability is met, and meanwhile, the extra-high issue of the integral height of the lifting appliance is prevented; the lifting appliance assembly difficulty is lowered; and in addition, the triangle beam can test the integral performance of the lifting appliance in experiment.
Description
Technical field
The present invention relates to engineering machinery field, relate in particular to a kind of crawler crane combined sling.
Background technology
Kiloton crawler crane combined sling refers to aim at satisfy in kiloton and each Debugging of above tonnage caterpiller crane and the operation of overload test hoisting and hanging and hangs the device of getting weight.In the crawler crane overload test of 3000 tonnes, lift ripe case and mainly contain two kinds of patterns at present, a kind of pattern mainly adopts tri-layer beams, three grades of component and four layers of beam, level Four component to combine, the version of six pallet carryings; Another kind of pattern mainly adopts two-layer beam, three grades of component, the version of eight pallet carryings.
Can see from the ripe case of the lifting of above-mentioned two kinds of patterns, what the above crawler crane suspender of kiloton mainly adopted at present is multistage crossbeam, many pallet carryings, the structure design form of triangle, trapezoidal or vertical component is assembled out complete hanging device by the connection mode of arm-tie group, steel rope and bearing pin assembling.
But still there is following shortcoming in the above crawler crane suspender of present existing kiloton:
1, because spreader height is too high, increased suspender assembling difficulty;
2, do not use lifting beam with hook in the car load overload test, therefore can't test the suspension hook overall performance in experiment;
3, the triangular structure that adopts wide-angle increases assembling difficulty and relevant manufacturing cost because the component reason can cause the suspender parts larger;
4, the horizontal quantity of pallet is more causes assembling difficulty and rises, and the too high or crossbeam carrying huge bending moment of suspender causes that relevant manufacturing cost rises.
For 4000 tons and above crawler crane overload test, above-mentioned shortcoming is more obvious, needs a kind of novel crawler crane combined sling badly and can satisfy in each Debugging of crawler crane of larger tonne and the operation of overload test hoisting and hanging and hang the needs of getting weight.
Summary of the invention
The objective of the invention is to propose a kind of crawler crane combined sling, can reduce suspender assembling difficulty, and can realize test suspension hook overall performance in experiment.
For achieving the above object, the invention provides a kind of crawler crane combined sling, comprise: triangular beam, the first coupling assembling, cross bearer, the second coupling assembling, upper lifting beam, the 3rd coupling assembling and weight tray, described triangular beam connects described cross bearer by described the first coupling assembling, described cross bearer is by the described upper lifting beam of the vertical connection of described the second coupling assembling, and described upper lifting beam vertically connects described weight tray by described the 3rd coupling assembling.
Further, described the 3rd coupling assembling is two groups of gantry type arm-tie groups, makes described upper lifting beam and described two groups of gantry type arm-tie groups and two corresponding weight trays form the suspender module of a rigidity.
Further, described the second coupling assembling is two groups of vertically two arm-tie groups, makes described cross bearer and described two groups of vertically two arm-tie groups and corresponding two upper rigid unitary structures of lifting beams formation.
Further, the tetrad build-up type arm-tie combination that described the first coupling assembling is preset length makes the combination of tetrad build-up type arm-tie and the described cross bearer of described triangular beam and described preset length form a triangle component structure.
Further, the triangular panels of described triangular beam both sides adopts the version of two plates stacks.
Further, the integral body of described cross bearer is case structure, described cross bearer respectively with described two groups vertically the local triangle zone that is connected of the tetrad build-up type arm-tie of two arm-tie groups and described preset length strengthen.
Further, the connection structure that adopts circular hole to coordinate with the peach-shaped hole between described two groups of gantry type arm-tie groups and described upper lifting beam.
Further, between the tetrad build-up type arm-tie of described triangular beam and described preset length combination, and the connection structure that adopts circular hole to coordinate with the waist hole between the arm-tie in the combination of the tetrad build-up type arm-tie of described preset length.
Further, described triangular beam, cross bearer, upper lifting beam and weight tray are welded by high-strength plate, and eliminate welding interior stress by oscillating aging, natrual ageing or stress relieving mode.
Further, described the first coupling assembling, the second coupling assembling and/or the 3rd coupling assembling are rigging.
based on technique scheme, in crawler crane combined sling of the present invention by triangular beam, cross bearer and upper lifting beam consist of the tri-layer beams structure, triangular beam and the first coupling assembling and cross bearer form one-level triangle component, cross bearer and the second coupling assembling and upper lifting beam, upper lifting beam and the 3rd coupling assembling and weight tray form the frame mode of two stage vertical component jointly, utilize the vertical component structure control arm-tie height of two or three two-stages, thereby when satisfying structural stability, avoided the suspender whole height too high problem of existing combined sling because adopting multistage triangle component structure to bring, and then reduced suspender and assembled difficulty, triangular beam can directly be connected with suspension hook by minor axis in addition, realization in experiment to the test of suspension hook overall performance.
In another embodiment, described the 3rd coupling assembling is two groups of gantry type arm-tie groups, makes described upper lifting beam and described two groups of gantry type arm-tie groups and two corresponding weight trays form the suspender module of a rigidity.Adopt the gantry type arm-tie group of rigidity to connect lifting beam and weight tray, can form the suspender module of the rigid construction of an integral body, can greatly improve the stability of suspender, solve the destabilization problems of vertical component structure (quadrilateral structure).
In another embodiment, described the second coupling assembling is two groups of vertically two arm-tie groups, makes described cross bearer and described two groups of vertically two arm-tie groups and corresponding two upper rigid unitary structures of lifting beams formation.Adopt vertically two arm-tie groups to connect the suspender module of cross bearer and two rigidity, can further form the rigid construction of two-stage, guarantee the stability of suspender.
In another embodiment, the tetrad build-up type arm-tie combination that described the first coupling assembling is preset length makes the combination of tetrad build-up type arm-tie and the described cross bearer of described triangular beam and described preset length form a triangle component structure.Consider the stressed maximum of the first coupling assembling in the triangular structure of one-level, therefore the mode that has adopted triangular beam and tetrad build-up type arm-tie to be connected, improve tensile strength, and make whole suspender form a large triangular structure, improve stability, the impact of liftoff instant to the arm head assembly pulley when reducing the suspender lifting.
In another embodiment, the triangular panels of described triangular beam both sides adopts the version of two plates stacks.Because triangular beam need to bear huge pulling force, certainly will need to increase thickness of slab, but increase thickness of slab and can bring the structure member design problem, buying suitable sheet material also can raise the cost largely, therefore the version that adopts two plates to superpose can overcome the design problem of thick plate part, effectively reduces buying and manufacturing cost.
In another embodiment, the integral body of described cross bearer is case structure, described cross bearer respectively with described two groups vertically the local triangle zone that is connected of the tetrad build-up type arm-tie of two arm-tie groups and described preset length strengthen.Because cross bearer has connected two suspender modules, it is subject to the combined action of gravity and the tetrad build-up type arm-tie combination broach of counterweight, therefore high to the structural strength requirement, the version that adopts Integral box, local triangle to strengthen can satisfy the structural strength requirement of cross bearer effectively.
In another embodiment, the connection structure that adopts circular hole to coordinate with the peach-shaped hole between described two groups of gantry type arm-tie groups and described upper lifting beam.Consider in the crawler crane debug process, need the performance of (different brachium) under the different operating modes of test, need frequent dismounting suspender.Although hanger structure is compact, its parts are larger, therefore make up being connected of installation bearing pin facilitating upper lifting beam between with the connection structure of peach-shaped hole cooperation to the gantry type arm-tie by circular hole.
In another embodiment, between the tetrad build-up type arm-tie of described triangular beam and described preset length combination, and the connection structure that adopts circular hole to coordinate with the waist hole between the arm-tie in the combination of the tetrad build-up type arm-tie of described preset length.Consider in the crawler crane debug process, need the performance of (different brachium) under the different operating modes of test, need frequent dismounting suspender.Although hanger structure is compact, its parts are larger, and the connection structure that therefore coordinates with the waist hole by circular hole can improve between the arm-tie of tetrad build-up type arm-tie in making up and triangular beam and the tetrad build-up type arm-tie disassembly between making up.
In another embodiment, described triangular beam, cross bearer, upper lifting beam and weight tray are welded by high-strength plate, and eliminate welding interior stress by oscillating aging, natrual ageing or stress relieving mode.Therefore triangular beam, cross bearer, upper lifting beam and weight tray all have very high requirement of strength, are fit to adopt high-strength plate commonly used in engineering to form by welding, and need to eliminate welding interior stress.
In another embodiment, described the first coupling assembling, the second coupling assembling and/or the 3rd coupling assembling also can be selected rigging.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment of crawler crane combined sling of the present invention.
Fig. 2 is the structural representation of suspender module in crawler crane combined sling embodiment of the present invention.
Fig. 3 A, 3B are respectively the front of crawler crane combined sling embodiment intermediate cam beam of the present invention and the structural representation of side.
Fig. 4 is the connection structure schematic diagram that in crawler crane combined sling embodiment of the present invention, circular hole coordinates with the waist hole.
Fig. 5 is the connection structure that in crawler crane combined sling embodiment of the present invention, circular hole coordinates with the peach-shaped hole.
The specific embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
In the design of crawler crane combined sling, on structure, the stability of triangle component structure is higher than quadrilateral structure, but in triangle component structure, arm-tie is subject to the force action of gravity and horizontal component of force, and is very high to the requirement of strength of arm-tie.And the angle of working as arm-tie and horizontal direction is less, and when wish reduced whole height, the pulling force that arm-tie is subject to was larger, is a test to safety.If adopt larger angle, reduce arm-tie stressed, the length of arm-tie will be longer, brought the increase on the suspender whole height.Therefore for multistage triangle component structure, tray number is more, its triangle is just more, stressed for reducing the arm-tie of every grade, horizontal sextant angle just can not be too little, generally in 70 about degree, whole height is with regard to cumulative quite high of one-level level like this, and the many site requirements to the debugging district of tray number are also just higher.
The present invention is based on above-mentioned factor and modular idea, four support holder structures of one-level triangle component, two stage vertical component have been adopted, two or three two-stages adopt vertical component structure control arm-tie height, in order to satisfy the requirement of 4000 tons and above crawler crane overload test.
Specifically, the crawler crane combined sling of the embodiment of the present invention comprises: triangular beam, the first coupling assembling, cross bearer, the second coupling assembling, upper lifting beam, the 3rd coupling assembling and weight tray, triangular beam connects cross bearer by the first coupling assembling, cross bearer is by the vertical upward lifting beam that connects of the second coupling assembling, and upper lifting beam vertically connects weight tray by the 3rd coupling assembling.
in such scheme, in the crawler crane combined sling by triangular beam, cross bearer and upper lifting beam consist of the tri-layer beams structure, triangular beam and the first coupling assembling and cross bearer form one-level triangle component, cross bearer and the second coupling assembling and upper lifting beam, upper lifting beam and the 3rd coupling assembling and weight tray form the frame mode of two stage vertical component jointly, utilize the vertical component structure control arm-tie height of two or three two-stages, thereby when satisfying structural stability, avoided the suspender whole height too high problem of existing combined sling because adopting multistage triangle component structure to bring, and then reduced suspender and assembled difficulty, triangular beam can directly be connected with suspension hook by minor axis in addition, realization in experiment to the test of suspension hook overall performance.
The first coupling assembling in the crawler crane combined sling, the second coupling assembling and/or the 3rd coupling assembling preferably adopt arm-tie and arm-tie group, also can adopt rigging, but arm-tie and arm-tie group are lower than the cost of rigging, are conducive to reduce the cost of crawler crane combined sling.
As shown in Figure 1, be the structural representation of an embodiment of crawler crane combined sling of the present invention.In the present embodiment, the first coupling assembling, the second coupling assembling and the 3rd coupling assembling have adopted multi-form arm-tie and arm-tie group.The present embodiment crawler crane combined sling can be divided into three grades, the 3rd coupling assembling that next stage (being the third stage) adopts is two groups of gantry type arm-tie groups 6, can make lifting beam 5 and two groups of gantry type arm-tie groups 6 and corresponding two weight trays 7 form the suspender module of a rigidity.Can place as required the counterweight 9 of some in weight tray 7.
Adopt the gantry type arm-tie group 6 of rigidity to connect lifting beam 5 and weight tray 7, upper lifting beam 5, gantry type arm-tie group 6 and weight tray 7 can form the suspender module of the rigid construction of an integral body, thereby greatly improve the stability of suspender, solve the destabilization problems of vertical component structure (quadrilateral structure).The suspender module that forms also can be used as independent combined sling and uses, and as shown in Figure 2, when concrete the application, can on vertical two arm-tie groups 4, the structure that can be connected with suspension hook be installed.
In the second stage of the present embodiment crawler crane combined sling, the second coupling assembling of employing is two groups of vertically two arm-tie groups 4, can make cross bearer 3 and two groups of vertically two arm-tie groups 4 and corresponding two upper rigid unitary structures of lifting beams 5 formation.And adopt vertically two arm-tie groups to connect the suspender module of cross bearer and two rigidity, and can further form the rigid construction of two-stage, guarantee the stability of suspender.
In the upper class (being the first order) of the present embodiment crawler crane combined sling, the first coupling assembling that adopts is the tetrad build-up type arm-tie combination 2 of preset length, can make triangular beam 1 and the combination 2 of tetrad build-up type arm-tie and the cross bearer 3 of preset length form a triangle component structure.
Consider the stressed maximum of the first coupling assembling in the triangular structure of the first order, therefore the mode that has adopted triangular beam 1 and tetrad build-up type arm-tie 2 to be connected, improve tensile strength, and make whole suspender form a large triangular structure, improve stability, the impact of liftoff instant to the arm head assembly pulley when reducing the suspender lifting.
Structure by top illustrated crawler crane combined sling shown in Figure 1, can see that the frame mode of this one-level triangle component, two stage vertical component can when satisfying structural stability, avoid the too high problem of suspender whole height because adopting multistage triangle component structure to bring.In experiment, adopt the combined sling of Fig. 1 embodiment to carry out that under 4000 tons of load trial operating modes, whole height is 28 meters, 50 to 60 meters height less than existing other suspenders, in addition, also make the size of combined sling less from two stage vertical component, the horizontal quantity of the pallet of employing is also less, this just makes, and spreader height reduces, floor area reduces, compact overall structure makes suspender assembling aspect difficulty lower, satisfies the requirement of 4000 tons and above crawler crane overload test.
In the design of triangular beam, because triangular beam need to bear huge pulling force, intensity in order to ensure triangular beam, thickness of slab certainly will will be increased, but increase the design problem that thickness of slab can bring framing member, therefore buy suitable sheet material and also can raise the cost largely, the triangular panels of triangular beam both sides can be designed to the version of two plates stacks, as shown in Fig. 3 A and 3B.Can see that from Fig. 3 B triangular panels 10 is that two-layer sheet material is formed by stacking, can overcome the design problem of thick plate part by this version, effectively reduce buying and manufacturing cost.
The hole 11 of triangular beam 1 can connecting shackle, is used for testing the in-use performance of suspension hook, and on the other hand whole suspender is formed a large triangular structure, improves stability, the impact of liftoff instant to the arm head assembly pulley when reducing the suspender lifting.Can adopt annular supporting structure on structure, can reduce deadweight and be convenient to processing, reduce manufacturing cost.
In the design of cross bearer 3, because it will connect two suspender modules, be subject to the combined action of gravity and the arm-tie group pulling force of counterweight, require high to structural strength, therefore can be case structure with unit design, and need to strengthen being connected tetrad build-up type arm-tie combination 2 local triangle zones that are connected with preset length with two groups of vertically two arm-tie groups 4 respectively for cross bearer 3.
Therefore triangular beam, cross bearer, upper lifting beam and weight tray all have very high requirement of strength, are fit to adopt high-strength plate commonly used in engineering to form by welding, and can pass through the elimination welding interior stress such as oscillating aging, natrual ageing or stress relieving mode.Utilize the large-sized numerical control machining center to realize disposable integral processing, guarantee the relative position relation of each finish size.
In the crawler crane debug process, need the performance of (different brachium) under the different operating modes of test, need frequent dismounting suspender, although hanger structure of the present invention is compact, but also have nearly 30 meters, parts are larger, therefore need to improve as much as possible disassembly.As shown in Figure 4, between the combination of the tetrad build-up type arm-tie of triangular beam and preset length, and the connection structure 13 that adopts circular hole to coordinate with the waist hole between the arm-tie in the combination of the tetrad build-up type arm-tie of preset length.
The connection structure 14 that as shown in Figure 5, can adopt circular hole to coordinate with the peach-shaped hole between gantry type arm-tie group and upper lifting beam.This circular hole can be given facilitating being connected of installation bearing pin between the upper lifting beam of gantry type arm-tie combination with the connection structure of peach-shaped hole cooperation.
In addition, can also increase horizontal assembly clearance, bearing pin increase leader and lifting point, baffle plate attachment point tapped bore etc. in combined sling, further improve disassembly.
Below in conjunction with Fig. 1, the install operation process of crawler crane combined sling of the present invention is described: the first step, first weight tray 7 is put at assigned address according to designing requirement; Second step requires to put corresponding counterweight between gantry type arm-tie group 6 according to the crawler crane debugging working condition; The 3rd step, gantry type arm-tie group 6 is installed, require to put the counterweight of gantry type arm-tie group both sides according to the crawler crane debugging working condition; In the 4th step, triangular beam 1 is connected with suspension hook by φ 500mm axle; In the 5th step, the tetrad build-up type arm-tie combination 2 of four meters is connected with triangular beam 1; In the 6th step, cross bearer 3 makes up 4 with the tetrad build-up type arm-tie of four meters and is connected; In the 7th step, by auxiliary location structure 8, vertically two arm-tie groups 4 first are connected with upper lifting beam 5, then are connected with cross bearer 3 by vertically two arm-tie groups 4; In the 8th step, connect upper lifting beam 5 and gantry type arm-tie group 6, end of operation by regulating the crawler crane position and regulating associated components by aid vehicle.
Crawler crane combined sling of the present invention can satisfy debugging and the overload test of each operating mode of crawler crane of 4000 tons and above tonnage, for debugging and the overload test of each operating mode of crawler crane of less tonne, also can adopt the suspender module in crawler crane combined sling of the present invention to realize.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. crawler crane combined sling, it is characterized in that, comprise: triangular beam, the first coupling assembling, cross bearer, the second coupling assembling, upper lifting beam, the 3rd coupling assembling and weight tray, described triangular beam connects described cross bearer by described the first coupling assembling, described cross bearer is by the described upper lifting beam of the vertical connection of described the second coupling assembling, and described upper lifting beam vertically connects described weight tray by described the 3rd coupling assembling.
2. crawler crane combined sling according to claim 1, it is characterized in that, described the 3rd coupling assembling is two groups of gantry type arm-tie groups, makes described upper lifting beam and described two groups of gantry type arm-tie groups and two corresponding weight trays form the suspender module of a rigidity.
3. crawler crane combined sling according to claim 2, it is characterized in that, described the second coupling assembling is two groups of vertically two arm-tie groups, makes described cross bearer and described two groups of vertically two arm-tie groups and corresponding two upper rigid unitary structures of lifting beams formation.
4. crawler crane combined sling according to claim 3, it is characterized in that, the tetrad build-up type arm-tie combination that described the first coupling assembling is preset length makes the combination of tetrad build-up type arm-tie and the described cross bearer of described triangular beam and described preset length form a triangle component structure.
5. crawler crane combined sling according to claim 4, is characterized in that, the triangular panels of described triangular beam both sides adopts the version of two plates stacks.
6. crawler crane combined sling according to claim 4, it is characterized in that, the integral body of described cross bearer is case structure, described cross bearer respectively with described two groups vertically the local triangle zone that is connected of the tetrad build-up type arm-tie of two arm-tie groups and described preset length strengthen.
7. crawler crane combined sling according to claim 2, is characterized in that, the connection structure that adopts circular hole to coordinate with the peach-shaped hole between described two groups of gantry type arm-tie groups and described upper lifting beam.
8. crawler crane combined sling according to claim 4, it is characterized in that, between the combination of the tetrad build-up type arm-tie of described triangular beam and described preset length, and the connection structure that adopts circular hole to coordinate with the waist hole between the arm-tie in the combination of the tetrad build-up type arm-tie of described preset length.
9. crawler crane combined sling according to claim 1, it is characterized in that, described triangular beam, cross bearer, upper lifting beam and weight tray are welded by high-strength plate, and eliminate welding interior stress by oscillating aging, natrual ageing or stress relieving mode.
10. crawler crane combined sling according to claim 1, is characterized in that, described the first coupling assembling, the second coupling assembling and/or the 3rd coupling assembling are rigging.
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| CN201310023948.4A CN103086254B (en) | 2013-01-23 | 2013-01-23 | Crawler crane combined lifting appliance |
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| CN201310023948.4A CN103086254B (en) | 2013-01-23 | 2013-01-23 | Crawler crane combined lifting appliance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086254B (en) * | 2013-01-23 | 2015-04-29 | 徐工集团工程机械股份有限公司 | Crawler crane combined lifting appliance |
| CN106904526A (en) * | 2017-05-04 | 2017-06-30 | 中国矿业大学 | One kind the lifting adjustable General balance beam suspender of span and its application method |
| CN113060634A (en) * | 2021-04-22 | 2021-07-02 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane with a movable crane |
| CN115973920A (en) * | 2023-01-10 | 2023-04-18 | 吉林省汉华重型装备制造有限公司 | Weight hoisting and transferring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185862A (en) * | 1977-12-30 | 1980-01-29 | Slocombe Hugo T | Self-stabilizing multiple sling system and method |
| SU924319A1 (en) * | 1980-10-14 | 1982-04-30 | Tsni P Ex I Organizat | Device for installation of columns with cantilevers |
| JPH09156864A (en) * | 1995-12-07 | 1997-06-17 | Hiroyuki Kuzui | Board material carrying implement |
| US6578441B1 (en) * | 2001-04-05 | 2003-06-17 | The United States Of America As Represented By The Secretary Of The Navy | Crane testing apparatus and associated load testing method |
| CN202245848U (en) * | 2011-09-29 | 2012-05-30 | 中联重科股份有限公司 | Counterweight balancing mechanism and double-boom crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086254B (en) * | 2013-01-23 | 2015-04-29 | 徐工集团工程机械股份有限公司 | Crawler crane combined lifting appliance |
-
2013
- 2013-01-23 CN CN201310023948.4A patent/CN103086254B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185862A (en) * | 1977-12-30 | 1980-01-29 | Slocombe Hugo T | Self-stabilizing multiple sling system and method |
| SU924319A1 (en) * | 1980-10-14 | 1982-04-30 | Tsni P Ex I Organizat | Device for installation of columns with cantilevers |
| JPH09156864A (en) * | 1995-12-07 | 1997-06-17 | Hiroyuki Kuzui | Board material carrying implement |
| US6578441B1 (en) * | 2001-04-05 | 2003-06-17 | The United States Of America As Represented By The Secretary Of The Navy | Crane testing apparatus and associated load testing method |
| CN202245848U (en) * | 2011-09-29 | 2012-05-30 | 中联重科股份有限公司 | Counterweight balancing mechanism and double-boom crane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086254B (en) * | 2013-01-23 | 2015-04-29 | 徐工集团工程机械股份有限公司 | Crawler crane combined lifting appliance |
| CN106904526A (en) * | 2017-05-04 | 2017-06-30 | 中国矿业大学 | One kind the lifting adjustable General balance beam suspender of span and its application method |
| CN113060634A (en) * | 2021-04-22 | 2021-07-02 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane with a movable crane |
| CN115973920A (en) * | 2023-01-10 | 2023-04-18 | 吉林省汉华重型装备制造有限公司 | Weight hoisting and transferring device |
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|---|---|
| CN103086254B (en) | 2015-04-29 |
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