CN105293278A - Electric block type double-rail and single-main-beam crane - Google Patents
Electric block type double-rail and single-main-beam crane Download PDFInfo
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- CN105293278A CN105293278A CN201510796027.0A CN201510796027A CN105293278A CN 105293278 A CN105293278 A CN 105293278A CN 201510796027 A CN201510796027 A CN 201510796027A CN 105293278 A CN105293278 A CN 105293278A
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- electric block
- girder
- hoisting crane
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- web
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Abstract
The invention relates to an electric block type double-rail and single-main-beam crane. The electric block type double-rail and single-main-beam crane comprises a main beam. An upper wing plate is welded to the top of the main beam. Webs are welded to the lower surface of the upper wing plate. Traveling rails are arranged at the lower ends of the webs. An upper wing plate strengthening plate is welded between the upper wing plate and the webs. Web strengthening rib plates are welded between the upper wing plate strengthening plate and the webs. An electric block is installed in the main beam and connected with an electric block base. A trolley frame is connected with the lower portion of the electric block base. The trolley frame is provided with walking devices which are internally provided with walking wheels. The walking wheels are connected with drive motors, and the electric block is connected with a pulley block. The pulley block is connected with a lifting hook. Buffering devices are arranged at the front end and the rear end of the trolley frame. Limiting devices are arranged at the lower portions of the front end and the rear end of the main beam. The electric block type double-rail and single-main-beam crane has the beneficial effects of being reasonable in design, simple in structure, convenient to detect and maintain, large in lifting height, good in lifting performance, safe, reliable, stable in operation, long in service life and high in working efficiency.
Description
Technical field
The invention belongs to lifting equipment technical field, be specifically related to a kind of single girder hoisting crane, particularly a kind of electric block type double-track single-main girder hoisting crane.
Background technology
In recent years, the modernization construction of China and economy obtain fast speed development, along with the development of China's industrial construction and logistics trade, the demand of large scale hoisting machinery equipment gets more and more, lifting equipment obtains fast speed development and application, as a kind of important lifting equipment, the application and development of hoisting crane is also more and more extensive, along with the continuous progress of science and technology and the fast speed development of each different industries, more and more higher requirement is proposed to the everyway such as performance and design of hoisting crane, impel hoisting crane constantly to intellectuality, safe, lightweight develops, the kind of hoisting crane has multiple, the structure of hoisting crane is primarily of girder, end carriage, motor-driven carrier, the parts such as lift system and electrical equipment form, at present, the lift system of conventional single girder hoisting crane is electric block, common electric block type list girder hoisting crane mostly is the single track main beam structure arranging an inverted T-shaped track in the lower end of girder, the electric block of the hoisting crane of this version is positioned at the bottom of girder, along inverted T-shaped orbital motion, the distance of girder upper flange distance electric block is larger, the height space of working space can not be made full use of, affect lifting height and the work efficiency of hoisting crane, in addition, when the hoisting crane of this kind of version is used for outdoor place work, the electric block of hoisting crane is exposed to outside, when running into sleety weather, electric block is easily drenched, and causes inner electric elements to meet Water Damage, cannot use, affect service life and the work efficiency of electric block, can cause casualties time serious accident, and safety performance can not ensure, the plate-side plate welding quality of single track girder crane girder is not easy to ensure, along with the increase of period of service, the side plate of girder easily deforms, and reduces the rigidity of girder, thus affects the load-carrying capacity of girder and the lifting performance of hoisting crane, the electric block of single track girder hoisting crane runs on a track, and easily by the interference of external condition, electric block runs not steady in the course of the work, and safety factor is low, there is certain potential safety hazard, therefore, design a kind of reasonable in design, simple and compact for structure, detect and easy to maintenance, good rigidly, manual dexterity, noise are low, sling height is high, lifting performance is good, safe and reliable, operate steadily, electric block type double-track single-main girder hoisting crane that long service life, work efficiency are high is necessary, development for current hoisting crane has great importance and help, and the development later for hoisting crane and research have important researching value.
Summary of the invention
The object of the invention is the defect in order to overcome prior art and deficiency, provide a kind of reasonable in design, simple and compact for structure, detect and easy to maintenance, good rigidly, manual dexterity, noise are low, sling height is high, lifting performance is good, safe and reliable, operate steadily, electric block type double-track single-main girder hoisting crane that long service life, work efficiency are high.
The object of the present invention is achieved like this: a kind of electric block type double-track single-main girder hoisting crane, it comprises girder, the welded top of described girder has upper flange, below described upper flange, two ends are welded with web respectively, the lower end of described web is provided with Crane Rail, upper flange brace panel is welded with between described upper flange and described web, be welded with web between described upper flange brace panel and described web and strengthen gusset, the inside of described girder is provided with electric block, described electric block is connected with electric block base, the bottom of described electric block base is connected with trolley frame, described trolley frame is provided with running gear, the inside of described running gear is provided with driving wheel, described driving wheel is connected with driving motor, described electric block is connected with assembly pulley, described assembly pulley is connected with suspension hook, the rear and front end of described trolley frame is provided with shock absorber, the bottom of the rear and front end of described girder is provided with inhibiting device.
The open type box type structure girder of described girder to be cross section be rectangle.
The structure of described web is I-shape construction.
Described web is provided with access opening.
One group of upper flange brace panel and web brace panel is welded every 40cm in described girder.
Described upper flange brace panel is the steel plate of convex shape
Described web brace panel is the steel plate of triangular structure.
Described electric block is placed on the center of the inside of girder.
The main body of described shock absorber is made up of polyurethane bumper absorber and polyurethane bumper absorber base.
The beneficial effect that the present invention can reach: the present invention's novelty reasonable in design, electric block is arranged on the inside of crane girder, meet the work requirements of the hoisting crane when inclement weathers such as outside work place sleet larger, range of use is wide, the ability of being suitable for is strong, make hoisting crane in the course of the work not by the impact of external environment condition, work efficiency is high; Electric block is arranged on the inside of girder, avoids electric block by rain damage, protects the use safety of electric block, extend the service life of electric block, improve economic benefit; The top of electric block abuts against the lower position of the upper flange of girder, compact conformation, rationally, improves the position of electric block, adds the lifting altitude of suspension hook, improve the sling height of hoisting crane, improve lifting performance and the work efficiency of hoisting crane; Electric block is positioned at the center of the inside of girder, respectively organizes driving wheel uniform force time unloaded, and can not produce the phenomenon that the unsettled or wheel rim of driving wheel climbs up orbital plane, electric block operates steadily, reliably, safety factor is high; The open type box type structure girder of girder to be cross section be rectangular configuration, the girder of this structure has in the fabrication process to be convenient to detect and correct, convenient welding, and welding quality is high, and stability is strong, increases the service life; The girder stable mechanical property of box-structure, good rigidity, load-carrying capacity are strong, and improve the intensity of girder and the load-carrying ability of hoisting crane, lifting performance is good; Convenient welding between upper flange and I-beam section web, be conducive to automatic welding operation, welding quality easily ensures, welding deformation is little, and work efficiency is high; Girder internal welding is connected to upper flange brace panel and web brace panel, and add intensity and the load-carrying capacity of girder, the lifting performance adding hoisting crane is high, extends service life; The position that web is not affecting its intensity of girder is provided with access opening, is convenient to the inspection and maintenance of equipment, and access opening can also play the effect alleviating girder weight, contributes to the own wt reducing girder, improves the lifting performance of hoisting crane; The arrangement of duplicate rows Car Track is solid and reliable, and the weight distribution of driving wheel on two-orbit is even, can prevent driving wheel from the process of walking derailment occurring occurring, add operation stability and the unfailing performance of running gear; Shock absorber comprises polyurethane bumper absorber and polyurethane bumper absorber base, polyurethane bumper absorber has good elasticity and restorability, trolley frame can be alleviated well and inhibiting device collides the impulsive force produced, protect the safety and stability in trolley frame migration process, improve the unfailing performance of hoisting crane; Driving motor is connected with brake equipment, ensure that hoisting crane runs steady, reliable; The present invention have reasonable in design, simple and compact for structure, detect and easy to maintenance, good rigidly, manual dexterity, noise are low, sling height is high, lifting performance is good, safe and reliable, operate steadily, advantage that long service life, work efficiency are high.
Accompanying drawing explanation
Fig. 1 is the inner structure schematic diagram of a kind of electric block type double-track single-main girder of the present invention hoisting crane.
Fig. 2 is the external structure schematic diagram of a kind of electric block type double-track single-main girder of the present invention hoisting crane.
In figure: 1, girder 2, upper flange 3, web 4, upper flange brace panel 5, web strengthen gusset 6, Crane Rail 7, trolley frame 8, electric block base 9, running gear 10, driving wheel 11, driving motor 12, electric block 13, assembly pulley 14, suspension hook 15, shock absorber 16, inhibiting device.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind of electric block type double-track single-main girder hoisting crane, it comprises girder 1, the welded top of described girder 1 has upper flange 2, below described upper flange 2, two ends are welded with web 3 respectively, the lower end of described web 3 is provided with Crane Rail 6, upper flange brace panel 4 is welded with between described upper flange 2 and described web 3, be welded with web between described upper flange brace panel 4 and described web 3 and strengthen gusset 5, the inside of described girder 1 is provided with electric block 12, described electric block 12 is connected with electric block base 8, the bottom of described electric block base 8 is connected with trolley frame 7, described trolley frame 7 is provided with running gear 9, the inside of described running gear 9 is provided with driving wheel 10, described driving wheel 10 is connected with driving motor 11, described electric block 12 is connected with assembly pulley 13, described assembly pulley 13 is connected with suspension hook 14, the rear and front end of described trolley frame 7 is provided with shock absorber 15, the bottom of the rear and front end of described girder 1 is provided with inhibiting device 16.
Two webs 3 are welded in the downside at upper flange 2 two ends at girder 1 top of a kind of electric block type double-track single-main girder of the present invention hoisting crane, the upper flange brace panel 4 of convex structure is welded between web 3 with upper flange 2, then between upper flange brace panel 4 with web 3, weld the web brace panel 5 of triangular structure, the bottom of web 3 is as Crane Rail 6, the top installed rows walking apparatus 9 of trolley frame 7, running gear 9 is by driving wheel 10 and Crane Rail 6 sliding block joint, driving wheel is connected with driving motor 11, driving motor 11 drives trolley frame 7 to slide on trolley track 6, trolley frame 7 is provided with electric block 12, electric block 12 is arranged on the midway location of crane girder 1 inside, during hoisting crane work, start driving motor 11, the output shaft of driving motor 11 is connected with the wheel shaft of driving wheel 10, driving motor 11 drives driving wheel 10 to rotate on Crane Rail 6, driving wheel 10 drives the electric block 12 on trolley frame 7 and trolley frame 7 together along with trolley frame 7 moves, when trolley frame 7 moves to directly over the goods needing lifting, the brake operation be connected with driving motor 11, driving motor 11 is quit work, driving wheel 10 stops operating, trolley frame 7 stops mobile, now, electric block 12 is driven to start working, drive together with suspension hook 14 with the assembly pulley 13 that electric block 12 connects and move downward, when suspension hook 14 drops to the top of the goods needing lifting, electric block 12 stops operating, suspension hook 14 stops declining, operation suspension hook 14, that suspension hook 14 firmly tangles goods, check whether firmly, determine solid and reliable after, control electric block 12 contrarotation, electric block 12 derrick block group 13 upward movement together with suspension hook 14, complete the crane lifting service of goods, when freight lifting is to certain height, close electric block 12, goods and suspension hook 14 is stopped to rise, open driving motor 11 play button, that driving motor 11 is started working, driving motor 11 drives trolley frame 7 to move on Crane Rail 6, trolley frame 7 drives suspension hook 14 to move together with the goods of lifting, when move to goods need prevent local time, close driving motor 11 play button, trolley frame 7 is stopped mobile, open electric block 12 play button, that electric block 12 is started working, suspension hook 14 and goods are slowly declined, after goods lands, close electric block 12 play button, goods is made to stop declining, complete lifting and the placement work of goods, operated by personnel's suspension hook 14, depart from by the goods of suspension hook 14 with lifting, open electric block 12 play button, suspension hook 14 is made to rise to safe height, then the play button of lifting electrical motor 11 is opened, trolley frame 7 is made to move to one end of crane girder 1, shock absorber 15 bottom trolley frame 7 contacts with the inhibiting device 16 of girder 1 one end, trolley frame 7 stops mobile, close the power supply of heavy-duty machine, wait for that next time uses, the present invention have reasonable in design, simple and compact for structure, detect and easy to maintenance, good rigidly, manual dexterity, noise are low, sling height is high, lifting performance is good, safe and reliable, operate steadily, advantage that long service life, work efficiency are high.
Embodiment 2
As depicted in figs. 1 and 2, a kind of electric block type double-track single-main girder hoisting crane, it comprises girder 1, the welded top of described girder 1 has upper flange 2, below described upper flange 2, two ends are welded with web 3 respectively, the lower end of described web 3 is provided with Crane Rail 6, upper flange brace panel 4 is welded with between described upper flange 2 and described web 3, be welded with web between described upper flange brace panel 4 and described web 3 and strengthen gusset 5, the inside of described girder 1 is provided with electric block 12, described electric block 12 is connected with electric block base 8, the bottom of described electric block base 8 is connected with trolley frame 7, described trolley frame 7 is provided with running gear 9, the inside of described running gear 9 is provided with driving wheel 10, described driving wheel 10 is connected with driving motor 11, described electric block 12 is connected with assembly pulley 13, described assembly pulley 13 is connected with suspension hook 14, the rear and front end of described trolley frame 7 is provided with shock absorber 15, the bottom of the rear and front end of described girder 1 is provided with inhibiting device 16, described girder 1 for cross section be the open type box type structure girder of rectangle, the structure of described web 3 is I-shape construction, described web 3 is provided with access opening, one group of upper flange brace panel 4 and web brace panel 5 is welded every 40cm in described girder 1, described upper flange brace panel 4 is the steel plate of convex shape, described web brace panel 5 is the steel plate of triangular structure, described electric block puts the center that 12 put the inside at girder 1, the main body of described shock absorber 15 is made up of polyurethane bumper absorber and polyurethane bumper absorber base.
The present invention's novelty reasonable in design, compact conformation, electric block 12 is arranged on the inside of crane girder 1, meet the work requirements of the hoisting crane when inclement weathers such as outside work place sleet larger, range of use is wide, the ability of being suitable for is strong, make hoisting crane in the course of the work not by the impact of external environment condition, work efficiency is high; Electric block 12 is arranged on the inside of girder 1, avoids electric block by rain damage, protects the use safety of electric block, extend the service life of electric block, improve economic benefit; The top of electric block 12 abuts against the lower position of the upper flange of girder 1, compact conformation, rationally, improve the position of electric block, add the lifting altitude of suspension hook, improve the sling height of hoisting crane, improve lifting performance and the work efficiency of hoisting crane; Electric block 12 is positioned at the center of the inside of girder 1, respectively organizes driving wheel 10 uniform force time unloaded, and can not produce the phenomenon that the unsettled or wheel rim of driving wheel 10 climbs up orbital plane, electric block 12 operates steadily, reliably, safety factor is high; Girder 1 for cross section be the open type box type structure girder of rectangular configuration, the girder 1 of this structure has in the fabrication process to be convenient to detect and correct, convenient welding, and welding quality is high, and stability is strong, increases the service life; Girder 1 stable mechanical property of box-structure, good rigidity, load-carrying capacity are strong, and improve the intensity of girder 1 and the load-carrying ability of hoisting crane, lifting performance is good; Convenient welding between upper flange 2 and I-beam section web 3, be conducive to automatic welding operation, welding quality easily ensures, welding deformation is little, and work efficiency is high; Girder 1 internal welding is connected to upper flange brace panel 4 and web brace panel 5, and add intensity and the load-carrying capacity of girder 1, the lifting performance adding hoisting crane is high, extends service life; The position that web 3 is not affecting its intensity of girder 1 is provided with access opening, is convenient to the inspection and maintenance of equipment, and access opening can also play the effect alleviating girder 1 weight, contributes to the own wt reducing girder 1, improves the lifting performance of hoisting crane; The arrangement of duplicate rows Car Track 6 is solid and reliable, driving wheel 10 on two-orbit 6 weight distribution even, can prevent driving wheel 10 from the process of walking derailment occurring occurring, add operation stability and the unfailing performance of running gear 9; Shock absorber 15 comprises polyurethane bumper absorber and polyurethane bumper absorber base, polyurethane bumper absorber has good elasticity and restorability, trolley frame 7 can be alleviated well and collide with inhibiting device 16 impulsive force produced, protect the safety and stability in trolley frame 7 migration process, improve the unfailing performance of hoisting crane; Driving motor 11 is connected with brake equipment, ensure that hoisting crane runs steady, reliable; The present invention have reasonable in design, simple and compact for structure, detect and easy to maintenance, good rigidly, manual dexterity, noise are low, sling height is high, lifting performance is good, safe and reliable, operate steadily, advantage that long service life, work efficiency are high.
Claims (8)
1. an electric block type double-track single-main girder hoisting crane, it comprises girder, it is characterized in that: the welded top of described girder has upper flange, below described upper flange, two ends are welded with web respectively, the lower end of described web is provided with Crane Rail, upper flange brace panel is welded with between described upper flange and described web, be welded with web between described upper flange brace panel and described web and strengthen gusset, the inside of described girder is provided with electric block, described electric block is connected with electric block base, the bottom of described electric block base is connected with trolley frame, described trolley frame is provided with running gear, the inside of described running gear is provided with driving wheel, described driving wheel is connected with driving motor, described electric block is connected with assembly pulley, described assembly pulley is connected with suspension hook, the rear and front end of described trolley frame is provided with shock absorber, the bottom of the rear and front end of described girder is provided with inhibiting device.
2. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: the open type box type structure girder of described girder to be cross section be rectangle.
3. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: the structure of described web is I-shape construction.
4. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: described web is provided with access opening.
5. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: weld one group of upper flange brace panel and web brace panel every 40cm in described girder.
6. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: described upper flange brace panel is the steel plate of convex shape
A kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: described web brace panel is the steel plate of triangular structure.
7. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: described electric block is placed on the center of the inside of girder.
8. a kind of electric block type double-track single-main girder hoisting crane as claimed in claim 1, is characterized in that: the main body of described shock absorber is made up of polyurethane bumper absorber and polyurethane bumper absorber base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796027.0A CN105293278A (en) | 2015-11-18 | 2015-11-18 | Electric block type double-rail and single-main-beam crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796027.0A CN105293278A (en) | 2015-11-18 | 2015-11-18 | Electric block type double-rail and single-main-beam crane |
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| Publication Number | Publication Date |
|---|---|
| CN105293278A true CN105293278A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510796027.0A Pending CN105293278A (en) | 2015-11-18 | 2015-11-18 | Electric block type double-rail and single-main-beam crane |
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| CN (1) | CN105293278A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106006373A (en) * | 2016-07-15 | 2016-10-12 | 杭州市特种设备检测研究院 | Beam crane with top-arranged angular trolley |
| CN108680376A (en) * | 2018-07-16 | 2018-10-19 | 江苏省特种设备安全监督检验研究院 | Multifunctional motor-driven cucurbit testing stand |
| CN113605669A (en) * | 2021-08-03 | 2021-11-05 | 上海海威斯特保温工程有限公司 | Double-layer hanging basket suitable for LNG (liquefied natural gas) film tank engineering and operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108680376A (en) * | 2018-07-16 | 2018-10-19 | 江苏省特种设备安全监督检验研究院 | Multifunctional motor-driven cucurbit testing stand |
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| CN113605669A (en) * | 2021-08-03 | 2021-11-05 | 上海海威斯特保温工程有限公司 | Double-layer hanging basket suitable for LNG (liquefied natural gas) film tank engineering and operation method |
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Application publication date: 20160203 |
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