CN209276044U - A kind of head optimized structure of whipping crane truss-type cantilever crane - Google Patents

A kind of head optimized structure of whipping crane truss-type cantilever crane Download PDF

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Publication number
CN209276044U
CN209276044U CN201822050267.8U CN201822050267U CN209276044U CN 209276044 U CN209276044 U CN 209276044U CN 201822050267 U CN201822050267 U CN 201822050267U CN 209276044 U CN209276044 U CN 209276044U
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truss
crane
type cantilever
drag
head
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CN201822050267.8U
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郭志康
赵伟星
宋广
胡斌
李慎楚
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Zhengzhou Kerun Mechanical & Electron Engineering Co Ltd
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Zhengzhou Kerun Mechanical & Electron Engineering Co Ltd
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Abstract

The utility model discloses a kind of head optimized structure of whipping crane truss-type cantilever crane, belongs to lifting equipment field.The device includes the two panels stringer positioned at truss-type cantilever crane head, the leading block group being mounted between the end vertex of two panels stringer, the hoisting sheave being mounted between the end bottom position of two panels stringer, and two suspension drag-lines being connected with truss-type cantilever crane head, the two panels drag-line connecting plate that two suspension drag-lines are arranged by end connector part are installed on the dual-purpose axle bed two sides of respective side and the both ends for the guiding axis being installed in leading block group respectively in leading block group respectively.After the utility model optimizes, make head construction stress more rationally, improve safety in utilization, eliminate safe hidden trouble, also mitigate self weight simultaneously, reduce welding difficulty, save the cost, it is an important breakthrough of domestic and international gantry head construction, whipping crane truss-type cantilever crane is made to realize the unification of science, safety, practicability and economy.

Description

A kind of head optimized structure of whipping crane truss-type cantilever crane
Technical field
The utility model belongs to the technical field of lifting equipment, is more specifically related to a kind of whipping crane truss-type cantilever crane Head optimized structure.
Background technique
Arm tower crane have that elevating capacity is big, job area is wide, work efficiency is high and be easily installed, dismantle and The advantages that transport, is widely used in the engineering construction and work progress in the fields such as thermoelectricity, water power, metallurgy, building, mine. Since the truss-type cantilever crane in whipping crane has many advantages, such as that light-weight, front face area is small, manufacture is few, so comparing plate girder type The application range of cantilever crane is wider.But there is also need perfect place (referring to Fig. 1 and Fig. 2): suspension for this truss-type cantilever crane Drag-line 5, hoist rope 6, traditional direction pulley assembly 2 ', gin wheel component 3, which cross, is arranged in the head of truss-type cantilever crane, It causes head construction complexity, stress to concentrate, therefore reasonably optimizing is carried out according to structure of the stress condition to truss-type cantilever crane head It is needed, this will also generate great influence to entire arm tower crane.More specifically, in truss traditional at present There is weaknesses to design in the head construction of formula cantilever crane: the support rod I 7 ' and support rod II for upwardly extending and intersecting by two 8 ', single sheet tripod structure is formed with the end top surface of monolithic truss, and single suspension drag-line 5 is exactly by traditional drag-line Axle bed 4-1 ' and short traditional drag-line axis 4-3 ' is connected to apex (the i.e. support rod I 7 ' and support of single sheet tripod structure The infall of bar II 8 '), when suspension 5 tension of drag-line pulling force by tradition drag-line axis 4-3 ' concentrate be applied to support rod I 7 ' and Support rod II 8 ', therefore stress is concentrated at support rod I 7 ' and support rod II 8 ', on the one hand in welding support rod I 7 ' and support rod Welding difficulty is big when tension weld II 8 ', is on the other hand easy to appear that crackle, safety in utilization are poor, exist in use Security risk.
Summary of the invention
The purpose of this utility model is exactly the shortcoming being directed in the presence of the above-mentioned prior art and provides a kind of swing arm The head optimized structure of crane truss-type cantilever crane.The utility model carries out the head construction of whipping crane truss-type cantilever crane Optimization design, make head construction stress more rationally, improve safety in utilization, eliminate safe hidden trouble, while also mitigating self weight, drop Low welding difficulty, save the cost are an important breakthroughs of domestic and international gantry head construction, make whipping crane truss-like arm Frame realizes the unification of science, safety, practicability and economy.
The purpose of this utility model can be realized by following technique measures:
A kind of head optimized structure of whipping crane truss-type cantilever crane of the utility model, it includes being located at truss-like arm The two panels stringer on frame head, the leading block group being mounted between the end vertex of two panels stringer, is mounted on the end of two panels stringer Hoisting sheave between the position of head bottom, and two suspension drag-lines being connected with truss-type cantilever crane head, described in two The two panels drag-line connecting plate that suspension drag-line is arranged by end connector part is installed on the dual-purpose axis of respective side in leading block group respectively Seat two sides and (the utility model has given up conventional head structure at the both ends of guiding axis being installed in leading block group respectively In structure is complicated, stress is unfavorable, the big support rod I and support rod II of manufacture risk, traditional drag-line axis is eliminated, by traditional drag-line Axle bed and traditional direction axle bed are unified for dual-purpose axle bed, and dual-purpose axle bed is mounted on to the installation site of original traditional direction axle bed Place, and suspension drag-line is directly installed on dual-purpose axle bed and guiding axis.The utility model after optimization, is connected by drag-line Two suspension drag-lines and entire whipping crane truss-type cantilever crane are incorporated in one by plate, dual-purpose axle bed and guiding axis.Work as suspension When drag-line tension, pulling force is applied to the whipping crane truss-like of big rigidity by drag-line connecting plate, dual-purpose axle bed and guiding axis On cantilever crane, stress and power transmission are all more balanced, make in use head construction stress more rationally, be unlikely to deform, using peace Entirely, security risk is eliminated).
The inner hole to match with guiding axis is offered (just on the drag-line connecting plate and dual-purpose axle bed in the present invention In smoothly installation guiding axis).
Leading block group described in the utility model includes two be symmetrically mounted at the end vertex position of two panels stringer A dual-purpose axle bed, the guideway between two dual-purpose axle beds and with dual-purpose axle bed coaxial line arrangement, is threaded onto dual-purpose axis Guiding axis in the inner hole and guideway inner hole of seat, the leading block being installed on guideway, and it is located at guiding shaft end The general baffle of head.
Hoisting sheave described in the utility model includes two be symmetrically mounted at the end bottom position of two panels stringer A lifting axle bed, the lifting axle sleeve between two lifting axle beds and with lifting axle bed coaxial line arrangement, is threaded onto jack shaft Jack shaft in the inner hole and lifting inner hole of shaft sleeve of seat is installed on jack shaft and covers several upper gin wheels, and is located at The baffle II of solid axle end.
The design principle of the utility model is as follows:
Design is optimized to the head construction of whipping crane truss-type cantilever crane in the utility model, make head construction by Power is more reasonable, improves safety in utilization, eliminates safe hidden trouble, while also mitigating self weight, reducing welding difficulty, save the cost, makes Whipping crane truss-type cantilever crane realizes the unification of science, safety, practicability and economy.More specifically, this is practical The novel support rod I and support rod given up in the single sheet tripod structure that structure is complicated, stress is unfavorable, manufacture risk is big II, traditional drag-line axis is eliminated, traditional drag-line axle bed and traditional direction axle bed are unified for dual-purpose axle bed, by baffle I and baffle III is unified for dual-purpose baffle, and dual-purpose axle bed is mounted on to the installed position of original traditional direction axle bed, and suspension drag-line is led to The two panels drag-line connecting plate for crossing the setting of end connector part, which is installed on the dual-purpose axle bed two sides of respective side respectively and is installed on respectively, leads To the both ends of axis.In this way, passing through drag-line connecting plate, dual-purpose axle bed and guiding axis for two suspension drag-lines and entire whipping crane purlin Posture cantilever crane is incorporated in one.When suspension drag-line tension, pulling force is applied to by drag-line connecting plate, dual-purpose axle bed and guiding axis On the whipping crane truss-type cantilever crane of big rigidity, stress and power transmission are all more balanced, make in use head construction by Power more rationally, be unlikely to deform, using it is safe, eliminate security risk;Due to reducing support rod I, support rod II, traditional drag-line The components such as axis so alleviating the self weight of whipping crane truss-type cantilever crane head construction, while eliminating traditional support bar I With the welding of II junction high intensity tension weld of support rod, welding difficulty is reduced, welding workload is reduced, simplifies manufacture Technique makes whipping crane truss-type cantilever crane realize the unification of science, safety, practicability and economy.
The beneficial effects of the utility model are as follows:
Design is optimized to the head construction of whipping crane truss-type cantilever crane in the utility model, make head construction by Power is more reasonable, improves safety in utilization, eliminates safe hidden trouble, while also mitigating self weight, reducing welding difficulty, save the cost, makes Whipping crane truss-type cantilever crane realizes the unification of science, safety, practicability and economy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram on head in the whipping crane truss-type cantilever crane of the prior art.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural schematic diagram of the utility model.
Fig. 4 is the left view of Fig. 3.
Number explanation in figure: 1, stringer, 2, leading block group, 2-1, dual-purpose axle bed, 2 ', traditional direction pulley assembly, 2- 1 ', traditional direction axle bed, 2-2, guiding axis, 2-3, guideway, 2-4, leading block, 2-5, dual-purpose baffle, 2-5 ', baffle I, 3, hoisting sheave, 3-1, lifting axle bed, 3-2, jack shaft, 3-3, lifting axle sleeve, 3-4, gin wheel, 3-5, baffle II, 4- 1 ', traditional drag-line axle bed, 4-2 ', baffle III, 4-3 ', traditional drag-line axis, 5, suspension drag-line, 5-1 ', 5-1, drag-line connecting plate are passed System drag-line connecting plate, 6, hoist rope, 7 ', support rod I, 8 ', support rod II.
Specific embodiment
The utility model is further described below with reference to attached drawing:
As shown in Figure 3 and Figure 4, the head optimized structure of a kind of whipping crane truss-type cantilever crane of the utility model, it Two panels stringer 1 including being located at truss-type cantilever crane head, the leading block group 2 being mounted between the end vertex of two panels stringer 1, Be mounted on two panels stringer 1 end bottom position between hoisting sheave 3, and be connected with truss-type cantilever crane head two Root suspension drag-line 5, the two panels drag-line connecting plate 5-1 that two suspension drag-lines 5 are arranged by end connector part is installed on respectively to be led The two of the two sides dual-purpose axle bed 2-1 of respective side and the guiding axis 2-2 being installed in leading block group 2 respectively into pulley blocks 2 (referring to figs. 1 to 4, the utility model has given up in conventional head structure that structure is complicated, stress is unfavorable, manufacture risk is big at end Support rod I 7 ' and support rod II 8 ' eliminate traditional drag-line axis 4-3 ', by traditional drag-line axle bed 4-1 ' and traditional direction axle bed 2- 1 ' is unified for dual-purpose axle bed 2-1, and dual-purpose axle bed 2-1 is mounted on to the installed position of original traditional direction axle bed 2-1 ', and is incited somebody to action Suspension drag-line 5 is directly installed on dual-purpose axle bed 2-1 and guiding axis 2-2.The utility model after optimization passes through drag-line connecting plate Two suspension drag-lines 5 and entire whipping crane truss-type cantilever crane are incorporated in one by 5-1, dual-purpose axle bed 2-1 and guiding axis 2-2 Body.When suspension 5 tension of drag-line, pulling force is applied to big rigidity by drag-line connecting plate 5-1, dual-purpose axle bed 2-1 and guiding axis 2-2 Whipping crane truss-type cantilever crane on, stress and power transmission are all more balanced, close head construction stress more Manage, be unlikely to deform, using it is safe, eliminate security risk).
It offers on the drag-line connecting plate 5-1 and dual-purpose axle bed 2-1 and matches with guiding axis 2-2 in the present invention Inner hole (convenient for smoothly installation guiding axis 2-2).
Leading block group described in the utility model 2 includes being symmetrically mounted at the end vertex position of two panels stringer 1 Two dual-purpose axle bed 2-1, the guideway 2- between two dual-purpose axle bed 2-1 and with dual-purpose axle bed 2-1 coaxial line arrangement 3, the guiding axis 2-2 being threaded onto the inner hole and guideway 2-3 inner hole of dual-purpose axle bed 2-1 are installed on guideway 2-3 Leading block 2-4, and the general baffle 2-5 positioned at the end guiding axis 2-2.
Hoisting sheave 3 described in the utility model includes being symmetrically mounted at the end bottom position of two panels stringer 1 Two lifting axle bed 3-1, the lifting axle sleeve 3- between two lifting axle bed 3-1 and with lifting axle bed 3-1 coaxial line arrangement 3, the jack shaft 3-2 being threaded onto the inner hole and lifting axle sleeve 3-3 inner hole of lifting axle bed 3-1 are installed on lifting axle sleeve 3-3 Several gin wheels 3-4, and II 3-5 of baffle positioned at the end jack shaft 3-2.
The particular condition in use of the utility model is as follows:
The utility model is optimized on the basis of the head construction of traditional whipping crane truss-type cantilever crane, that is, is given up The support rod I 7 ' and support rod II 8 ' in the single sheet tripod structure that structure is complicated, stress is unfavorable, manufacture risk is big have been abandoned, Traditional drag-line axis 4-3 ' is eliminated, traditional drag-line axle bed 4-1 ' and traditional direction axle bed 2-1 ' are unified for dual-purpose axle bed 2-1, it will I 2-5 ' of baffle and III 4-2 ' of baffle is unified for dual-purpose baffle 2-5, and dual-purpose axle bed 2-1 is mounted on original traditional direction axle bed The two panels drag-line connecting plate 5-1 that suspension drag-line 5 is arranged by end connector part is installed on correspondence by the installed position of 2-1 ' respectively The two sides dual-purpose axle bed 2-1 of side and the both ends for being installed on guiding axis 2-2 respectively.Other components --- such as gin wheel The assembling (assembling lifting axle bed 3-1, jack shaft 3-2, lifting axle sleeve 3-3, gin wheel 3-4 and II 3-5 of baffle) of group 3 Identical as traditional structure with installation situation, the baudrier of hoist rope 6 can be according to the actual conditions of lifting and lifting times Rate is wound between leading block 2-4 and gin wheel 3-4.
The utility model after optimization, by drag-line connecting plate 5-1, dual-purpose axle bed 2-1 and guiding axis 2-2 by two suspensions Drag-line 5 and entire whipping crane truss-type cantilever crane are incorporated in one.When suspension 5 tension of drag-line, pulling force passes through drag-line connecting plate 5-1, dual-purpose axle bed 2-1 and guiding axis 2-2 and be applied on the whipping crane truss-type cantilever crane of big rigidity, stress and power transmission are all Compare it is balanced, make in use head construction stress more rationally, be unlikely to deform, using it is safe, eliminate security risk;By In reducing the components such as support rod I 7 ', support rod II 8 ', traditional drag-line axis 4-3 ', so alleviating whipping crane truss The self weight of formula cantilever crane head construction, while eliminating II 8 ' junction high intensity tension weld of traditional support bar I 7 ' and support rod Welding, reduce welding difficulty, reduce welding workload, simplify manufacturing process, be that domestic and international gantry head constructs One important breakthrough, makes whipping crane truss-type cantilever crane realize the unification of science, safety, practicability and economy.

Claims (4)

1. a kind of head optimized structure of whipping crane truss-type cantilever crane, it includes that two panels positioned at truss-type cantilever crane head is vertical Beam (1), the leading block group (2) being mounted between the end vertex of two panels stringer (1), is mounted on the end of two panels stringer (1) Hoisting sheave (3) between the position of bottom, and two suspension drag-lines (5) being connected with truss-type cantilever crane head, it is special Sign is: the two panels drag-line connecting plate (5-1) that two suspension drag-lines (5) are arranged by end connector part is installed on guiding respectively The dual-purpose axle bed two sides (2-1) of respective side and the guiding axis (2- being installed in leading block group (2) respectively in pulley blocks (2) 2) both ends.
2. the head optimized structure of whipping crane truss-type cantilever crane according to claim 1, it is characterised in that: described The inner hole to match with guiding axis (2-2) is offered on drag-line connecting plate (5-1) and dual-purpose axle bed (2-1).
3. the head optimized structure of whipping crane truss-type cantilever crane according to claim 1, it is characterised in that: described to lead Include two dual-purpose axle beds (2-1) being symmetrically mounted at the end vertex position of two panels stringer (1) to pulley blocks (2), is located at Guideway (2-3) between two dual-purpose axle beds (2-1) and with dual-purpose axle bed (2-1) coaxial line arrangement, is threaded onto dual-purpose axis Guiding axis (2-2) in the inner hole and guideway (2-3) inner hole of seat (2-1), the guiding being installed on guideway (2-3) are sliding It takes turns (2-4), and is located at the general baffle (2-5) of the end guiding axis (2-2).
4. the head optimized structure of whipping crane truss-type cantilever crane according to claim 1, it is characterised in that: described Weight pulley blocks (3) includes two lifting axle beds (3-1) being symmetrically mounted at the end bottom position of two panels stringer (1), is located at Lifting axle sleeve (3-3) between two lifting axle beds (3-1) and with lifting axle bed (3-1) coaxial line arrangement, is threaded onto jack shaft Jack shaft (3-2) in the inner hole and lifting axle sleeve (3-3) inner hole of seat (3-1), is installed on several on lifting axle sleeve (3-3) Gin wheel (3-4), and it is located at the baffle II (3-5) of the end jack shaft (3-2).
CN201822050267.8U 2018-12-07 2018-12-07 A kind of head optimized structure of whipping crane truss-type cantilever crane Active CN209276044U (en)

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CN201822050267.8U CN209276044U (en) 2018-12-07 2018-12-07 A kind of head optimized structure of whipping crane truss-type cantilever crane

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Application Number Priority Date Filing Date Title
CN201822050267.8U CN209276044U (en) 2018-12-07 2018-12-07 A kind of head optimized structure of whipping crane truss-type cantilever crane

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CN209276044U true CN209276044U (en) 2019-08-20

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