CN102530744B - Connecting beam assembly and truss arm system - Google Patents

Connecting beam assembly and truss arm system Download PDF

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Publication number
CN102530744B
CN102530744B CN201210030164.XA CN201210030164A CN102530744B CN 102530744 B CN102530744 B CN 102530744B CN 201210030164 A CN201210030164 A CN 201210030164A CN 102530744 B CN102530744 B CN 102530744B
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Prior art keywords
arm
tie
beam assembly
joint
joints
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CN102530744A (en
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詹纯新
刘权
高一平
牟江涛
邓志燕
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201210030164.XA priority Critical patent/CN102530744B/en
Publication of CN102530744A publication Critical patent/CN102530744A/en
Priority to PCT/CN2012/081921 priority patent/WO2013120349A1/en
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    • 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
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • 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 a connecting beam assembly and a truss arm system with the same. The connecting beam assembly comprises two first arm joints and two second arm joints which are arranged crosswise, one ends of the two first arm joints and the two second arm joints are connected at a first cross position, the two first arm joints are arranged adjacent to each other, and the lengths of the two first arm joints are adjustable. By using the connecting beam assembly and truss arm system disclosed by the invention, the stress ability of a truss arm can be improved, and the integral stability of the truss arm system can be increased; and the connecting beam assembly and the truss arm system are simple in structure, low in cost, easy to adjust, convenient to install and high in installation precision.

Description

A kind of tie-beam assembly and truss arm system
Technical field
The present invention relates to the hoisting crane field, particularly relate to a kind of tie-beam assembly and truss arm system.
Background technology
The purposes of hoisting crane mainly comprises hanging device, speedily carries out rescue work, lifting, machinery and rescue etc., and hoisting crane is the hoisting and transporting tool that is widely used at present the ground such as harbour, workshop, building site.
In some mega projects, in projects such as nuke industry, petrochemical complex and Coal Chemical Industry, for the demand of the hoisting crane of super-tonnage, day by day increase.
Truss-arm type hoisting crane for super-tonnage, its boom system will bear very large load up, yet, the stress-bearing capability of the truss arm system of prior art is not high, cause the resistance to overturning of truss arm system poor, along with the tonnage of large-scale truss-arm type hoisting crane is increasing, a lot of superelevation, overweight phenomenon are restricting crane job.
Therefore, be necessary to provide a kind of large-scale tie-beam assembly and truss arm system rational in infrastructure, to improve the stress-bearing capability of truss arm, and increase the resistance to overturning of truss arm system.
Summary of the invention
The technical matters that stress-bearing capability is not high and resistance to overturning is poor for the truss arm system that solves prior art, the invention provides a kind of tie-beam assembly and truss arm system, to improve the stress-bearing capability of truss arm, and increases the resistance to overturning of truss arm system.
The invention provides a kind of tie-beam assembly, this tie-beam assembly comprises two the first arm joints and two the second arm joints arranged in a crossed manner, the end that two the first arms joints and two the second arms save is connected at the first crossover location, wherein two the first arms save adjacent setting and length adjustable; The tie-beam assembly further comprises the Connection Block that is positioned at the first crossover location, and an end of two the first arm joints and two the second arm joints is hinged with Connection Block respectively, to regulate two the first arms joints and two the second arms angle between saving; The first arm joint comprises the main body arm joint and movable arm joint interfixed, and the fixed position between main body arm joint and movable arm joint is adjustable along the length direction of the first arm joint, and then the length of regulating the first arm joint.
According to a preferred embodiment of the invention, the movable arm joint is inserted in main body arm joint along the length direction of the first arm joint, be provided with the first flange on main body arm joint, the first arm joint further comprises sheathed and is fixed on the external member on the movable arm joint, be provided with the second flange on external member, be provided with the first jack on the first flange, be provided with the second jack on the second flange, and the first flange is connected with the threaded fasteners in the second jack by being inserted in the first jack with the second flange, and then can regulate the spacing between the first flange and the second flange along the length direction of the first arm joint.
According to a preferred embodiment of the invention, further be provided with the 3rd jack on external member, the movable arm joint is provided with a plurality of the 4th jacks along the length direction of the first arm joint, the movable arm joint is connected with the bearing pin connecting element in any one the 4th jack by being inserted in the 3rd jack with external member, and then can regulate the fixed position between movable arm joint and external member along the length direction of the first arm joint.
According to a preferred embodiment of the invention, the minimum aperture spacing between the adjustable length of threaded fasteners and each the 4th jack is all 200 millimeters.
According to a preferred embodiment of the invention, the tie-beam assembly further comprises respectively two first mount pad hinged with the other end of two the first arms joints and two second mount pads hinged with the other end of two the second arms joints respectively, and two the first mount pads and/or two the second mount pads are mobile permanent seat.
According to a preferred embodiment of the invention, mobile permanent seat comprises two clamping elements and for connecting the threaded fasteners of two clamping elements, so that two clamping elements clamp the truss arm assemblies.
According to a preferred embodiment of the invention, the mobile permanent seat of adjacent setting is mutually vertical to the clamping direction of truss arm assembly.
The present invention also provides a kind of truss arm system, and truss arm system comprises space and two truss arm assemblies that are obliquely installed and is connected in the above-mentioned tie-beam assembly between two truss arm assemblies.
According to a preferred embodiment of the invention, truss arm system comprises two spaced tie-beam assemblies, truss arm system further comprises the auxiliary tie-beam assembly that connects two tie-beam assemblies, auxiliary tie-beam assembly comprises four sub-arm joints arranged in a crossed manner, one end of four sub-arm joints connects at the second crossover location, and the other end of four sub-arm joints is connected with the tie-beam assembly respectively.
According to a preferred embodiment of the invention, auxiliary tie-beam assembly further comprises the auxiliary Connection Block that is arranged at the second crossover location, one end of four sub-arms joint is hinged with auxiliary Connection Block respectively, the other end of four sub-arm joints respectively with the tie-beam member hinges.
Be different from the situation of prior art, tie-beam assembly of the present invention and truss arm system can improve the stress-bearing capability of truss arm, and increase the resistance to overturning of truss arm system, and it is simple in structure, with low cost, and be easy to regulate, in convenient the installation, there is higher setting accuracy.
The accompanying drawing explanation
Fig. 1 is the structural representation of truss arm system with tie-beam assembly of the embodiment of the present invention;
Fig. 2 is the structural representation that the first arm of the tie-beam assembly of the embodiment of the present invention saves;
Fig. 3 is the birds-eye view of truss arm system with tie-beam assembly of the embodiment of the present invention;
Fig. 4 is the enlarged drawing of I part in Fig. 3; And
Fig. 5 is the enlarged drawing of II part in Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Fig. 1 is the structural representation of truss arm system with tie-beam assembly of the embodiment of the present invention.As shown in Figure 1, the tie-beam assembly of one embodiment of the present invention comprises 100 and two the second arm joints 200 of two the first arm joints arranged in a crossed manner.This tie-beam assembly be connected in space and two truss arm assemblies 900 being obliquely installed between.
Two the first arms joints 100 are connected at the first crossover location with an end of two the second arms joints 200, and wherein, two the first arms save 100 adjacent settings and its length can be regulated, and two the second arms save 200 length and fix.In other embodiments, the length of two the second arm joints 200 also can be regulated.
In the present embodiment, the tie-beam assembly further comprises the Connection Block 300 that is positioned at the first crossover location, two the first arm joints 100 are connected with Connection Block 300 respectively with an end of two the second arm joints 200, as shown in Figure 1,100, two the second arm joints 200 of two the first arm joints and Connection Block 300 have formed an X-shaped jointly.
In the present embodiment, the mode that an end of two the first arm joints 100 and two the second arm joints 200 is connected with Connection Block 300 is hinged, by hinged mode, can regulate the angle between 100 and two the second arm joints 200 of two the first arm joints.Certainly, in other embodiments, can also adopt the connection mode of other prior aries between an end of first arm joint the 100, second arm joint 200 and Connection Block 300, repeat no more herein.
The tie-beam assembly further comprises respectively two first mount pad 400,401 hinged with the other end of two the first arms joints 100 and two second mount pads 500,501 hinged with the other end of two the second arms joints 200 respectively.During installation, two the first mount pads 400 and/or two the second mount pads 500 can need to select to be arranged to mobile permanent seat according to installing.
The first arm joint 100 comprises the main body arm joint 110 and movable arm joint 120 interfixed.Wherein, the fixed position between main body arm joint 110 and movable arm joint 120 is adjustable along the length direction of the first arm joint 100, and then the length that can regulate the first arm joint 100.
Fig. 2 is the structural representation that the first arm of the tie-beam assembly of the embodiment of the present invention saves.As shown in Figure 2, in the present embodiment, movable arm joint 120 is inserted in main body arm joint 110 along the length direction of the first arm joint 100.Be provided with on the first flange 111, the first flanges 111 and be provided with the first jack 1111 on main body arm joint 110.The first arm joint 100 further comprises sheathed and is fixed on the external member 130 on movable arm joint 120.Be provided with on external member 130 on the second flange 131, the second flanges 131 and be provided with the second jack 1311.The first flange 111 is connected with the threaded fasteners 132 in the second jack 1311 by being inserted in the first jack 1111 with the second flange 131, and then can regulate the spacing between the first flange 111 and the second flange 131 along the length direction of the first arm joint 100.Threaded fasteners 132 is for example screw and nut, or other threaded fasteners of prior art.
Further be provided with the 3rd jack (not shown) on external member 130, movable arm joint 120 is provided with a plurality of the 4th jacks 121 along the length direction of the first arm joint 100, movable arm joint 120 is connected with the bearing pin connecting element (not shown) in any one the 4th jack 121 by being inserted in the 3rd jack with external member 130, and then can regulate fixed position between movable arm joint 120 and external member 130 along the length direction of the first arm joint 100.
In the present embodiment, the minimum aperture spacing between the adjustable length of threaded fasteners 132 and each the 4th jack 121 is all 200 millimeters.When the tie-beam assembly is installed, the second arm joint 200 that at first can not regulate length is arranged on truss arm assembly 900(and asks for an interview Fig. 1) upper, because there is error in processing, can pass through to regulate the length of the first arm joint 100 to guarantee setting accuracy.The length adjustment function of the first arm joint 100 is divided into coarse adjustment and fine tuning.Wherein, coarse adjustment is undertaken by the bearing pin connecting element, concrete, because movable arm joint 120 is connected with the bearing pin connecting element in the 4th jack 121 by being inserted in the 3rd jack with external member 130, and the minimum aperture spacing between each the 4th jack 121 is 200 millimeters, therefore, can carry out coarse adjustment by the bearing pin connecting element being inserted in the 3rd jack and any one the 4th jack 121, the adjusting minor increment of coarse adjustment is 200 millimeters; Fine tuning is undertaken by threaded fasteners 132, concrete, can regulate the spacing between the first flange 111 and the second flange 131 along the length direction of the first arm joint 100 by threaded fasteners 132, and the setting range of fine tuning is the 0-200 millimeter.
Fig. 3 is the birds-eye view of truss arm system with tie-beam assembly of the embodiment of the present invention.As shown in Figure 3, two the first arm joints 100 are fixed on truss arm assembly 900 by the first mount pad 400,401 respectively.The first mount pad 400,401 is mobile permanent seat, thereby can adjust its attachment point on truss arm assembly 900 according to actual position.
Fig. 4 is the enlarged drawing of I part in Fig. 3.As shown in Figure 4, the first mount pad 400 comprises two clamping elements 4001 and threaded fasteners 4002, so that two clamping elements 4001 clamp truss arm assembly 900.During use, on the chord member 901 of truss arm assembly 900, through hole can be set, threaded fasteners 4002 is passed the through hole of chord member 901, and then can improve the fixed effect of the first mount pad 400.
Fig. 5 is the enlarged drawing of II part in Fig. 3.As shown in Figure 5, the first mount pad 401 comprises two clamping elements 4011 and threaded fasteners 4012, so that two clamping elements 4011 clamp truss arm assembly 900.During use, on the chord member 902 of truss arm assembly 900, through hole can be set, threaded fasteners 4012 is passed the through hole of chord member 902, and then can improve the fixed effect of the first mount pad 401.
During installation, the first mount pad 400 is mutually vertical with the clamping direction of 401 pairs of truss arm assemblies 900 of the first mount pad, because two the first mount pads 400 and the first mount pad 401 are fixed on two the first arms joints 100 on truss arm assembly 900 with mutually perpendicular both direction respectively, thereby improved the fixed effect between two the first arm joints 100 and truss arm assembly 900.Certainly, the mobile permanent seat of other adjacent settings also can be taked orthogonal mode to the clamping direction of truss arm assembly 900.Threaded fasteners 4002,4012 is for example screw and nut, or other threaded fasteners of prior art.
Because tie-beam assembly of the present invention has adopted the adjustable version of part, thereby reduced the difficulty in tie-beam assembly installation process, and improved it when reducing the connection work capacity accuracy rate is installed.Due to the special version of large-scale truss arm, A type arm, root, head connection dimension are usually different, cause two spacing arms of different brachiums not wait, this adjustable structure of tie-beam assembly of the present invention is conducive to it can be applicable to unified version different truss arms.
Refer to Fig. 3, this truss arm system is comprising beyond two spaced tie-beam assemblies, also further comprise the auxiliary tie-beam assembly 600 that connects two tie-beam assemblies, auxiliary tie-beam assembly 600 comprises four sub-arm joints 601 arranged in a crossed manner, one end of these four sub-arm joints 601 connects at crossover location, and the other end of four sub-arm joints 601 is connected with the tie-beam assembly respectively.
In the present embodiment, auxiliary tie-beam assembly 600 further comprises the auxiliary Connection Block 602 that is arranged at crossover location, one end of four sub-arms joint 601 is hinged with auxiliary Connection Block 602 respectively, the other end of four sub-arm joints 601 respectively with the tie-beam member hinges.Four sub-arms save 601 one-tenth X-shapeds arranged in a crossed manner.Can regulate four angles between sub-arm joint 601 by hinged mode.Certainly, in other embodiments, can also adopt the connection mode of other prior aries between four sub-arms joint 601 and Connection Block 602, repeat no more herein.
Auxiliary tie-beam assembly 600 can increase the stress-bearing capability of tie-beam assembly, and effectively improves the stability of tie-beam assembly.
Tie-beam assembly of the present invention and truss arm system can improve the stress-bearing capability of truss arm, and increase the resistance to overturning of truss arm system, and it is simple in structure, with low cost, and are easy to regulate, and in convenient the installation, have higher setting accuracy.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.

Claims (10)

1. a tie-beam assembly, it is characterized in that, described tie-beam assembly comprises two the first arm joints and two the second arm joints arranged in a crossed manner, the end that described two the first arms joints and described two the second arms save is connected at the first crossover location, wherein said two the first arms save adjacent setting and length adjustable;
Described tie-beam assembly further comprises the Connection Block that is positioned at described the first crossover location, one end of described two the first arm joints and described two the second arm joints is hinged with described Connection Block respectively, to regulate the angle between described two the first arm joints and described two the second arm joints;
Described the first arm joint comprises the main body arm joint and movable arm joint interfixed, and the fixed position between described main body arm joint and described movable arm joint is adjustable along the length direction of described the first arm joint, and then the length of regulating described the first arm joint.
2. tie-beam assembly according to claim 1, it is characterized in that, described movable arm joint is inserted in described main body arm joint along the length direction of described the first arm joint, be provided with the first flange on described main body arm joint, described the first arm joint further comprises sheathed and is fixed on the external member on described movable arm joint, be provided with the second flange on described external member, be provided with the first jack on described the first flange, be provided with the second jack on described the second flange, and described the first flange is connected with the threaded fasteners in described the second jack by being inserted in described the first jack with described the second flange, and then can regulate the spacing between described the first flange and described the second flange along the length direction of described the first arm joint.
3. tie-beam assembly according to claim 2, it is characterized in that, further be provided with the 3rd jack on described external member, described movable arm joint is provided with a plurality of the 4th jacks along the length direction of described the first arm joint, described movable arm joint is connected by the bearing pin connecting element be inserted in described the 4th jack of described the 3rd jack and any one with described external member, and then can regulate the fixed position between described movable arm joint and described external member along the length direction of described the first arm joint.
4. tie-beam assembly according to claim 3, is characterized in that, the minimum aperture spacing between the adjustable length of described threaded fasteners and each described the 4th jack is all 200 millimeters.
5. tie-beam assembly according to claim 1, it is characterized in that, described tie-beam assembly further comprises respectively two first mount pad hinged with the other end of described two the first arms joints and two second mount pads hinged with the other end of described two the second arms joints respectively, and described two the first mount pads and/or described two the second mount pads are mobile permanent seat.
6. tie-beam assembly according to claim 5, is characterized in that, described mobile permanent seat comprises two clamping elements and for connecting the threaded fasteners of described two clamping elements, so that described two clamping elements clamp the truss arm assembly.
7. tie-beam assembly according to claim 6, is characterized in that, the described mobile permanent seat of adjacent setting is mutually vertical to the clamping direction of described truss arm assembly.
8. a truss arm system, is characterized in that, described truss arm system comprises space and two truss arm assemblies that are obliquely installed and is connected in the tie-beam assembly as described as claim 1-7 any one between described two truss arm assemblies.
9. truss arm system according to claim 8, it is characterized in that, described truss arm system comprises two spaced described tie-beam assemblies, described truss arm system further comprises the auxiliary tie-beam assembly that connects described two tie-beam assemblies, described auxiliary tie-beam assembly comprises four sub-arm joints arranged in a crossed manner, one end of described four sub-arms joint connects at the second crossover location, and the other end of described four sub-arms joint is connected with described tie-beam assembly respectively.
10. truss arm system according to claim 9, it is characterized in that, described auxiliary tie-beam assembly further comprises the auxiliary Connection Block that is arranged at described the second crossover location, one end of described four sub-arms joint is hinged with described auxiliary Connection Block respectively, the other end of described four sub-arms joint respectively with described tie-beam member hinges.
CN201210030164.XA 2012-02-13 2012-02-13 Connecting beam assembly and truss arm system Active CN102530744B (en)

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PCT/CN2012/081921 WO2013120349A1 (en) 2012-02-13 2012-09-25 Connecting beam assembly and truss arm system

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Publication number Priority date Publication date Assignee Title
CN102530744B (en) * 2012-02-13 2014-01-08 中联重科股份有限公司 Connecting beam assembly and truss arm system
CN110395670A (en) * 2019-09-03 2019-11-01 徐工集团工程机械股份有限公司建设机械分公司 A kind of truss arm arm joint and crane
CN113148872B (en) * 2021-03-24 2023-07-14 上海宏英智能科技股份有限公司 Crane boom assembly sequence identification device and identification method

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CN202481967U (en) * 2012-02-13 2012-10-10 中联重科股份有限公司 Connecting beam assembly and lattice jib system

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CN201099590Y (en) * 2007-10-18 2008-08-13 郑州科润机电工程有限公司 Large-sized trussed-beam type crane detaching type single shear connection girder structure
CN201850085U (en) * 2010-03-30 2011-06-01 长沙中联重工科技发展股份有限公司 Primary truss arm and crawler crane with the same
CN202481967U (en) * 2012-02-13 2012-10-10 中联重科股份有限公司 Connecting beam assembly and lattice jib system

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WO2013120349A1 (en) 2013-08-22

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