CN105439004A - Hoisting equipment - Google Patents

Hoisting equipment Download PDF

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Publication number
CN105439004A
CN105439004A CN201610016402.XA CN201610016402A CN105439004A CN 105439004 A CN105439004 A CN 105439004A CN 201610016402 A CN201610016402 A CN 201610016402A CN 105439004 A CN105439004 A CN 105439004A
Authority
CN
China
Prior art keywords
weight
mast
lifting equipment
platform
balancing disk
Prior art date
Application number
CN201610016402.XA
Other languages
Chinese (zh)
Inventor
陈卫东
孙丽
孟进军
肖猛
韩雷
刘少杰
刘玉泉
Original Assignee
徐工集团工程机械股份有限公司
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 徐工集团工程机械股份有限公司 filed Critical 徐工集团工程机械股份有限公司
Priority to CN201610016402.XA priority Critical patent/CN105439004A/en
Publication of CN105439004A publication Critical patent/CN105439004A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/60Derricks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details

Abstract

The invention discloses hoisting equipment. The hoisting equipment comprises a platform, a cargo boom, a mast and a balance weight device, wherein the cargo boom and the mast are arranged on the platform; the mast is connected with the cargo boom; the balance weight device comprises a suspended balance weight; and the suspended balance weight is suspended on the mast. Compared with hoisting equipment in the prior art, the hoisting equipment disclosed by the invention has the advantages that the balance weight device in the technical scheme of the invention is the suspended balance weight; the gravity center of the balance weight device moves backwards due to the arrangement of the suspended balance weight, so that the hoisting moment of the hoisting equipment is increased; and therefore the hoisting performance of the hoisting equipment is improved under the condition of a limited working area.

Description

Weight-lifting equipment
Technical field
The present invention relates to engineering machinery field, particularly a kind of weight-lifting equipment.
Background technology
Along with the fast development that international energy and heavy chemical engineering are built, in engineering construction, modularization, maximization and integrated lifting requirements improve constantly, simultaneously by the restriction of workyard working area, crane facility hoisting capacity and hoisting moment and equipment hoisting pattern are had higher requirement.
As shown in Figure 1, weight-lifting equipment of the prior art comprises platform 11, crane arm 12, mast 13, mast 14 and counter weight device 15, crane arm 12 and platform 11 are articulated with the first hinge 111, wherein, counter weight device 15 is fixing on platform 11, the change of its hoisting moment needs the diameter by adjusting circular orbit 19 to realize, whole switching process is very complicated and working area that is Gong weight-lifting equipment construction that is that provide in hoisting engineering is more and more limited, so under the restriction being subject to weight-lifting equipment working area, the load-carrying ability of weight-lifting equipment of the prior art is limited.
Summary of the invention
The object of the present invention is to provide a kind of weight-lifting equipment, to solve the weight-lifting equipment of the prior art problem that load-carrying ability is limited under limited working area.
The invention provides a kind of weight-lifting equipment, comprise platform, crane arm, mast and counter weight device, crane arm and mast are arranged on platform, and mast is connected with crane arm, and counter weight device comprises suspended counterweight, and suspended counterweight hangs on mast.
Further, suspended counterweight is positioned at the outside of platform.
Further, weight-lifting equipment also comprises suspended counterweight connecting device, and suspended counterweight is connected with mast by suspended counterweight connecting device.
Further, suspended counterweight connecting device comprises balancing disk connection structure and balancing disk, the top of balancing disk connection structure is connected with the top of mast, and the bottom of balancing disk connection structure is connected with balancing disk to make balancing disk hang on mast, and suspended counterweight is placed on balancing disk.
Further, balancing disk connection structure is vertical with platform.
Further, balancing disk connection structure comprises suspension arm-tie, and the top hanging arm-tie is connected with mast, and the bottom hanging arm-tie is connected with balancing disk.
Further, counter weight device also comprises platform counterweight, and platform counterweight is located on platform.
Further, weight-lifting equipment also comprises mast, and the bottom of the bottom of crane arm, the bottom of mast and mast is all hinged with platform, the top of mast and the top of mast hinged, mast is arranged relative to platform inclination.
Further, weight-lifting equipment also comprises crane arm connection structure, and the top of mast is connected with the top of crane arm by crane arm connection structure.
Further, weight-lifting equipment also comprises load dividing dolly and circular orbit, and platform is arranged on load dividing dolly, and load dividing dolly can rotate on circular orbit, and suspended counterweight is positioned at the radial outside of circular orbit.
Based on weight-lifting equipment provided by the invention, comprise platform, crane arm, mast and counter weight device, crane arm and mast are arranged on platform, and mast is connected with crane arm, and counter weight device comprises suspended counterweight, and suspended counterweight hangs on mast.Compared with being fixedly installed on platform with counter weight device of the prior art, move after the center of gravity of the suspended counterweight of counter weight device of the present invention, the hoisting moment of whole weight-lifting equipment is increased, thus when limited working area, improves the lifting performance of weight-lifting equipment.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present invention, further feature of the present invention and advantage thereof will become clear.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the weight-lifting equipment of prior art;
The principle of moment balance schematic diagram that Fig. 2 is the weight-lifting equipment shown in Fig. 1;
Fig. 3 is the structural representation of the weight-lifting equipment of the embodiment of the present invention;
The fragmentary top TV structure schematic diagram that Fig. 4 is the weight-lifting equipment shown in Fig. 3;
The principle of moment balance schematic diagram that Fig. 5 is the weight-lifting equipment shown in Fig. 3;
Fig. 6 is the plan structure schematic diagram of the weight-lifting equipment permission rotational angle shown in Fig. 3.
Each Reference numeral represents respectively:
11-platform; 111-first hinge; 12-crane arm; 13-mast; 14-mast; 15-counter weight device; 21-platform; 211-first hinge; 212-second hinge; 22-crane arm; 23-mast; 24-mast; 25-counter weight device; 251-platform counterweight; 252-suspended counterweight; 252A-balancing disk connection structure; 252B-balancing disk; 26-crane arm connection structure; 261-luffing arm-tie; 262-variable-amplitude steel wire rope; 263-pulley gear; 264-luffing winding plant; 27-power system; 28-load dividing dolly; 29-circular orbit; 30-subgrade case.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, technology, method and apparatus should be regarded as a part of authorizing specification sheets.In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
In the following description, alleged " front " refers to the side of boom hoist weight; " afterwards " refers to the side relative with " front ".
As shown in Figure 3, the weight-lifting equipment of the embodiment of the present invention comprises platform 21, crane arm 22, mast 23 and counter weight device 25, and crane arm 22 and mast 23 are arranged on platform 21, and mast 23 is connected with crane arm 22, counter weight device 25 comprises suspended counterweight 252, and suspended counterweight 252 hangs on mast 23.
Compared with being fixedly installed on platform with counter weight device of the prior art, counter weight device of the present invention arranges suspended counterweight, moves after the center of gravity of counter weight device, and the hoisting moment of whole weight-lifting equipment is increased, thus when limited working area, improve the lifting performance of weight-lifting equipment.
To be described in detail from Fig. 3 to Fig. 6 to the preferred embodiment of the present invention below.
In the present embodiment, as shown in Figure 3, suspended counterweight 252 is located at the rear side of platform 21.
Preferably, weight-lifting equipment also comprises suspended counterweight connecting device, and suspended counterweight 252 is connected with mast 23 by suspended counterweight connecting device.
Particularly, as shown in Figure 3, suspended counterweight connecting device comprises balancing disk connection structure 252A and balancing disk 252B.Suspended counterweight 252 is placed on balancing disk 252B.The top of balancing disk connection structure 252A is connected with the top of mast 23, and the bottom of balancing disk connection structure 252A is connected with balancing disk 252B.Balancing disk 252B is connected with mast 23 by balancing disk connection structure 252A, makes the increase and decrease of suspended counterweight 252 more convenient, easy accessibility, improves the transhipment comfort feature of weight-lifting equipment.
In the present embodiment, balancing disk connection structure 252A hangs arm-tie, and the top hanging arm-tie is connected with mast 23, and the bottom hanging arm-tie is connected with balancing disk 252B.
According to Fig. 3 to Fig. 6, the optimum embodiment of the present invention is described in detail further more below.
As shown in Figure 3, the weight-lifting equipment of the embodiment of the present invention comprises platform 21, crane arm 22, mast 23, mast 24, counter weight device 25 and crane arm connection structure 26.Bottom and the platform 21 of crane arm 22 are hinged, and bottom and the platform 21 of mast 23 are hinged, and the bottom of mast 24 is hinged from platform 21 and different with the articulated position of platform 21 with mast 23.Particularly, as shown in Figure 3, the bottom of mast 23 and platform 21 are articulated with the first hinge 211, and the bottom of mast 24 and platform 21 are articulated with the second hinge 212.The top of mast 23 is connected with the top of crane arm 22 by crane arm connection structure 26.The top of mast 24 and the top of mast 23 hinged.Counter weight device 25 comprises platform counterweight 251 and suspended counterweight 252, and platform counterweight 251 is located on platform, and suspended counterweight 252 to be connected on mast 23 and to be positioned at the rear of platform counterweight 251.
In the present embodiment, as shown in Figure 3, the bottom of crane arm 22 and platform 21 are also articulated with the first hinge 211.
Principle from moment balance is illustrated the reason that the weight-lifting equipment lifting performance of the embodiment of the present invention promotes below.
In order to comparative illustration, the moment balance of weight-lifting equipment of the prior art is first described, as shown in Figure 2.
The weight of counter weight device 15 is N, and the center of gravity of counter weight device 15 is K to the distance of the first hinge 111 1, suppose that the weight of hanging thing is G1, the center of gravity of hanging thing is L to the distance of the first hinge 111, so can draw formula (1) according to the principle of moment balance: N × K 1=G 1× L.
Fig. 5 shows the principle of moment balance schematic diagram of the weight-lifting equipment of the embodiment of the present invention.As shown in Figure 5, the weight of platform counterweight 251 is N 1, the weight of suspended counterweight 252 is N 2, the center of gravity of platform counterweight 251 is K to the distance of the first hinge 211 1, the center of gravity of suspended counterweight 252 is K to the distance of the first hinge 211 2, the weight of hanging thing is G 2, the center of gravity of hanging thing is L to the distance of the first hinge 211.Embodiments of the invention do not need to increase the weight of counter weight device 25, i.e. the weight of counter weight device 25 of the embodiment of the present invention and being equal in weight of counter weight device of the prior art 15, i.e. the weight N of platform counterweight 251 1with the weight N of suspended counterweight 252 2and the weight N that is counter weight device 15 of the prior art, formula (2) can be drawn: N=N 1+ N 2.
As shown in Figure 5, formula (3) can be drawn according to principle of moment balance: N 1× K 1+ N 2× K 2=G 2× L.
By formula (1), formula (2) and formula (3) contrast can draw: G 2>G 1, namely the weight-lifting equipment of the embodiment of the present invention is when limited working area, and do not need the weight increasing counter weight device 25, hoisting capacity is improved, thus improves lifting performance.
In addition, the top of mast 23 and the top of mast 24 hinged, the bottom of mast 23 and platform 21 are articulated with the first hinge 211, the bottom of mast 24 and platform 21 are articulated with the second hinge 212, thus the triangular structure that formation one is stable, provide support power for during weight-lifting equipment lift heavy, improve the stability of weight-lifting equipment.
Preferably, balancing disk connection structure 252A is vertical with platform 21.This is arranged so that the vertical suspension of suspended counterweight 25 on the top of mast 23, improves the lifting performance of weight-lifting equipment.
In addition, mast 24 is arranged relative to platform inclination, and the horizontal throw of the top of mast 24 and the bottom of mast 23 is greater than the horizontal throw of the bottom of mast 24 and the bottom of mast 23.This setting is beneficial to the arm of force increasing suspended counterweight 252 in limited space, thus improves lifting performance.
In the present embodiment, as shown in Figure 3, balancing disk connection structure 252A is for hanging arm-tie.Balancing disk connection structure 252A also can be stay cord or pull bar.
In order to make the weight-lifting equipment of the embodiment of the present invention have luffing function, as shown in Figure 3, crane arm connection structure 26 includes luffing arm-tie 261, variable-amplitude steel wire rope 262, pulley gear 263 and luffing winding plant 264.Wherein, pulley gear 263 comprises the first assembly pulley and the second assembly pulley.Luffing winding plant 264 is arranged on platform 21.The first end of luffing arm-tie 261 is connected with the top of crane arm 22, second end of luffing arm-tie 261 is connected with the first assembly pulley, mast 23 is connected with the second assembly pulley, the first end of variable-amplitude steel wire rope 262 is connected with luffing winding plant 264, and the second end of variable-amplitude steel wire rope 262 walks around the top that the first assembly pulley and the second assembly pulley are connected to mast 23.
Platform 21 is also provided with power system 27, and power system 27 provides power for luffing winding plant 264 and controls the rotation of the elevator of luffing winding plant 264 thus the releasing of control variable-amplitude steel wire rope and withdrawal, and then controls crane arm 22 luffing.
When weight-lifting equipment needs luffing, the elevator that power system 27 controls in luffing winding plant 264 rotates, because the first end of variable-amplitude steel wire rope 262 is connected with luffing winding plant 264, so elevator rotates the length variations just making variable-amplitude steel wire rope 262, causes the distance between the first assembly pulley and the second assembly pulley to change.When the elevator of luffing winding plant 264 rotate pull variable-amplitude steel wire rope 262 time, distance between first assembly pulley and the second assembly pulley just shortens along with the length variations of variable-amplitude steel wire rope 262, because the first assembly pulley is connected with luffing arm-tie 261, and then luffing arm-tie 261 will pull the top of crane arm 22, crane arm 22 and platform 21 are articulated with the first hinge 211, so crane arm 22 will rotate around the first hinge 211, achieve crane arm 22 and the change of horizontal surface angle, complete the luffing function of weight-lifting equipment.
Because the hoisting capacity of weight-lifting equipment is very large, therefore weight-lifting equipment is also very large for the pressure on ground, in order to make weight-lifting equipment can be uniform for the pressure on ground, reduces, to the infringement on construction ground, the below of platform 21 to be provided with load dividing dolly 28.Load dividing dolly 28 is multistage balance beam structure, the uniform load of weight-lifting equipment can be passed to ground, thus reduces the infringement to work ground.
Preferably, as shown in Figure 3, load dividing dolly 28 comprises forward horizontal stand chassis and back balance chassis, and forward horizontal stand chassis is placed in the downside of the front end of platform 21, and back balance chassis is placed in the downside of the rear end of platform 21.Further the load of weight-lifting equipment is decomposed.
In order to make weight-lifting equipment to realize revolute function, as shown in Figure 4, weight-lifting equipment further comprises circular orbit 29.Particularly, the bottom of load dividing dolly 28 is car wheel structure, and pressure wheel is on circular orbit 29, and the wheel of load dividing dolly 28 can rotate on circular orbit 29, thus achieves the revolute function of weight-lifting equipment.
As shown in Figure 6, when having obstacle on construction ground, the limited area of circular orbit 29, if the obstacle that the weight-lifting equipment of the present embodiment can have certain work rotational angle α and rotation space to avoid outside circular orbit 29, relative to weight-lifting equipment of the prior art, the lifting performance of weight-lifting equipment still can be improved in work rotational angle α.
Preferably, circular orbit 29 is located on subgrade case 30.Circular orbit 29 is pressed on subgrade case 30 by certain thickness steel plate, subgrade case 30 is annular slab structure, during weight-lifting equipment lift heavy, the weight of lift heavy is delivered on subgrade case 30 by crane arm 22, platform 21, load dividing dolly 28 and circular orbit 29, because the area of subgrade case 30 is very large, the weight uniformity of weight-lifting equipment can be passed to ground, ground pressure is little.
In summary, suspended counterweight be arranged so that the weight-lifting equipment of the embodiment of the present invention is when limited working area, improves the load-carrying ability of weight-lifting equipment.The weight-lifting equipment of the embodiment of the present invention does not need the diameter changing circular orbit just to improve the load-carrying ability of weight-lifting equipment, has saved the processing area of construction space and ground, has improve work efficiency.
Finally should be noted that: 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 to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.

Claims (10)

1. a weight-lifting equipment, is characterized in that, comprises platform, crane arm, mast and counter weight device, described crane arm and described mast are arranged on described platform, described mast is connected with described crane arm, and described counter weight device comprises suspended counterweight, and described suspended counterweight hangs on described mast.
2. weight-lifting equipment according to claim 1, is characterized in that, described suspended counterweight is positioned at the outside of described platform.
3. weight-lifting equipment according to claim 1, is characterized in that, described weight-lifting equipment also comprises suspended counterweight connecting device, and described suspended counterweight is connected with described mast by described suspended counterweight connecting device.
4. weight-lifting equipment according to claim 3, it is characterized in that, described suspended counterweight connecting device comprises balancing disk connection structure and balancing disk, the top of described balancing disk connection structure is connected with the top of described mast, the bottom of described balancing disk connection structure is connected with described balancing disk to make described balancing disk hang on described mast, and described suspended counterweight is placed on described balancing disk.
5. weight-lifting equipment according to claim 4, is characterized in that, described balancing disk connection structure is vertical with described platform.
6. weight-lifting equipment according to claim 4, is characterized in that, described balancing disk connection structure comprises suspension arm-tie, and the top of described suspension arm-tie is connected with described mast, and the bottom of described suspension arm-tie is connected with described balancing disk.
7. weight-lifting equipment according to any one of claim 1 to 6, is characterized in that, described counter weight device also comprises platform counterweight, and described platform counterweight is located on described platform.
8. weight-lifting equipment according to any one of claim 1 to 6, it is characterized in that, described weight-lifting equipment also comprises mast, the bottom of the bottom of described crane arm, the bottom of described mast and described mast is all hinged with described platform, the top of described mast and the top of described mast hinged, described mast is arranged relative to described platform inclination.
9. weight-lifting equipment according to any one of claim 1 to 6, is characterized in that, described weight-lifting equipment also comprises crane arm connection structure, and the top of described mast is connected with the top of described crane arm by described crane arm connection structure.
10. weight-lifting equipment according to any one of claim 1 to 6, it is characterized in that, described weight-lifting equipment also comprises load dividing dolly and circular orbit, described platform is arranged on described load dividing dolly, described load dividing dolly can rotate on described circular orbit, and described suspended counterweight is positioned at the radial outside of described circular orbit.
CN201610016402.XA 2016-01-11 2016-01-11 Hoisting equipment CN105439004A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103783A (en) * 1977-05-31 1978-08-01 The Manitowoc Company, Inc. Platform crane with counterweight and boom carrier support linkages
CN201292224Y (en) * 2008-11-25 2009-08-19 上海三一科技有限公司 Movable weight counterbalance apparatus of crawler crane
US20110155681A1 (en) * 2009-12-28 2011-06-30 Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd. Counterweight Suspension Device and Mobile Crane
CN103145052A (en) * 2013-03-14 2013-06-12 辽宁抚挖重工机械股份有限公司 Movable circular track type crane
CN103663211A (en) * 2013-12-31 2014-03-26 太原重工股份有限公司 Crane and control method thereof
CN203946817U (en) * 2014-07-25 2014-11-19 辽宁抚挖重工机械股份有限公司 A kind of ultra-large type crawler crane
CN205346677U (en) * 2016-01-11 2016-06-29 徐工集团工程机械股份有限公司 Lifting apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103783A (en) * 1977-05-31 1978-08-01 The Manitowoc Company, Inc. Platform crane with counterweight and boom carrier support linkages
CN201292224Y (en) * 2008-11-25 2009-08-19 上海三一科技有限公司 Movable weight counterbalance apparatus of crawler crane
US20110155681A1 (en) * 2009-12-28 2011-06-30 Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd. Counterweight Suspension Device and Mobile Crane
CN103145052A (en) * 2013-03-14 2013-06-12 辽宁抚挖重工机械股份有限公司 Movable circular track type crane
CN103663211A (en) * 2013-12-31 2014-03-26 太原重工股份有限公司 Crane and control method thereof
CN203946817U (en) * 2014-07-25 2014-11-19 辽宁抚挖重工机械股份有限公司 A kind of ultra-large type crawler crane
CN205346677U (en) * 2016-01-11 2016-06-29 徐工集团工程机械股份有限公司 Lifting apparatus

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