CN100465084C - Hoisting slings specially for long steel rail - Google Patents

Hoisting slings specially for long steel rail Download PDF

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Publication number
CN100465084C
CN100465084C CNB2006101020258A CN200610102025A CN100465084C CN 100465084 C CN100465084 C CN 100465084C CN B2006101020258 A CNB2006101020258 A CN B2006101020258A CN 200610102025 A CN200610102025 A CN 200610102025A CN 100465084 C CN100465084 C CN 100465084C
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China
Prior art keywords
drop
lifting
fixed platform
special use
rail
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Expired - Fee Related
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CNB2006101020258A
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Chinese (zh)
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CN1944220A (en
Inventor
闫俊慧
王江
李朗明
胡晴莽
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Taiyuan Heavy Industry Co Ltd
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Taiyuan Heavy Industry Co Ltd
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Priority to CNB2006101020258A priority Critical patent/CN100465084C/en
Publication of CN1944220A publication Critical patent/CN1944220A/en
Application granted granted Critical
Publication of CN100465084C publication Critical patent/CN100465084C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The hoisting sling special for long steel rail includes one suspended beam, one electromagnetic disc mounted below the suspended beam, and two pulley blocks. It features the suspended beam comprising one upper suspended beam, one adjustable pull rod, one lower suspended beam, and two pairs of connecting plates connected with four pin shafts between the upper suspended beam and the lower suspended beam; and several pairs of hoisted rail protecting devices. The upper suspended beam is one double hoisting point box beam structure, and the lower suspended beam is one truss structure with trapezoidal cross section. The present invention has simple structure, light weight, high rigidity, has safety, high production efficiency and easy operation and maintenance.

Description

A kind of hoisting sling of long rail special use
One, technical field
The present invention relates to the hoisting crane technology, specifically is the hoisting sling of a kind of long rail special use of crane in bridge type use.
Two, background technology
At present, the existing smelter beam-and-rail factory most of length of rail of producing is 12.5~25m.The crane hanger of used carrying rail is a kind of hanging beam that has electromagnetic disc, by drop in beam be hung in that several electromagnetic disc constitute under the drop in beam.Electromagnetic disc during the carrying rail on the hanging beam holds rail, is carried by hoisting crane.Along with the development of railway and vehicle speed-raising, length is that 50~100m rail begins to use.Because long its weight of rail has increased several times, and the downwarp when the lifting carrying is also very big, and such crane loading can not operation, and original crane hanger is difficult to satisfy requirements on transport, and can not guarantee the safety of transportation.For this reason, the lifting transportation lengths is that 50~100m has become the hang-up in producing.Press for the hoisting sling of the double-crane use of the long rail of large span lifting.
Three, summary of the invention
Purpose of the present invention is exactly that suspender at the double-crane use of the long rail of large span lifting of present smelter beam-and-rail factory presses for, the hoisting sling of a kind of relatively simple for structure, in light weight, good rigidity of research and design, safe and reliable long rail special use.
Technical scheme of the present invention is achieved in that a kind of hoisting sling of long rail special use, comprises two groups of pulleys that electromagnetic disc that drop in beam, cable address beam are adorned below and drop in beam are adorned above; It is characterized in that: described drop in beam is made up of last drop in beam, adjustable rod, following drop in beam, and last drop in beam is provided with two pairs of connecting panels with following drop in beam middle part, adopts four bearing pins to connect; Adjustable rod links to each other with following drop in beam end at last drop in beam; And on following drop in beam, be provided with some to lifting rail fender guard.
The described drop in beam of going up is two suspension centres, box girder structure, and following drop in beam is a truss structure.Following drop in beam truss structure is the trapezoid cross section.
Described rail fender guard comprises rotary pushing device, lifting thrust unit, axle and pin device, fixed platform, lifting table, tooth bar, gear and guide piece; Fixed platform is installed on down on the lower boom of drop in beam, and lifting table is on fixed platform, and fixed guide is inserted in the hole of tape guide cover of fixed platform on the lifting table; Two lifting thrust units are contained in the guide piece both sides respectively, and the lifting thrust unit is contained on the fixed platform, and its piston rod is connected with lifting table; Axle is loaded on the lifting table and passes the fixed platform hole, and fixed platform has orienting sleeve in the hole, at the upper end of axle cogged; Gear is meshed with rotary pushing device bonded assembly tooth bar; Rotary pushing device, wheel and rack all are contained on the lifting table.Axle and pin device are linked to each other with jam nut by the tube that is threaded.
Outside the piston rod of lifting thrust unit, between fixed platform and the lifting table supporting base is housed in the described rail fender guard.
The hoisting sling of a kind of long rail special use of the present invention has satisfied the long hoisting steel rail transportation of 50~100m an urgent demand, has solved the gordian technique difficult problem of production process.Outstanding characteristics and significant technological advance are:
1, two groups of pulleys link to each other with crane hoisting mechanism by steel rope above the last drop in beam.Upper and lower drop in beam connection mode makes that drop in beam becomes as a whole up and down, has avoided the swing of time drop in beam.The Drawbar Pull point of action greatly reduces down the end downwarp of drop in beam in the end of following drop in beam, has improved the stress condition of time drop in beam.
2, the rail fender guard is installed in down and has avoided rail directly to land and damage from electromagnetic disc on the lower boom of drop in beam.Simultaneously, greatly reduce production loss, improved production efficiency.
3, fairly simple, in light weight, the good rigidity, safe and reliable of hanger structure, operation and maintenance is convenient.
Four, description of drawings
Fig. 1 is a kind of front view of hoisting sling of long rail special use;
Fig. 2 is a kind of lateral plan of hoisting sling of long rail special use;
Fig. 3 is the front view of the rail fender guard of suspender;
Fig. 4 is the lateral plan of the rail fender guard of suspender.
Five, the specific embodiment
Describe embodiment of the present invention in detail below in conjunction with accompanying drawing.
Illustrated in figures 1 and 2, a kind of hoisting sling of long rail special use.It comprises drop in beam, reaches two groups of pulleys that drop in beam is adorned above; Its drop in beam is made up of last drop in beam 1, adjustable rod 2 and following drop in beam 3, and last drop in beam is provided with two pairs of connecting panels with following drop in beam middle part, adopts four bearing pins to connect; Adjustable rod links to each other with following drop in beam end at last drop in beam.Last drop in beam is two suspension centres, box girder structure, and following drop in beam is a truss structure, and is the trapezoid cross section.Be provided with somely to lifting rail fender guard 4 on following drop in beam, and several electromagnetic disc 5 be housed, electromagnetic disc links to each other with following drop in beam with chain.
Fig. 3 and shown in Figure 4, the rail fender guard.It comprises rotary pushing device 401, lifting thrust unit 402, axle and pin device 403, fixed platform 404, lifting table 405, tooth bar 406, gear 407 and guide piece 408; Fixed platform is installed on down on the lower boom of drop in beam, lifting table on fixed platform, fixed guide and being inserted in the hole of tape guide cover of fixed platform on lifting table; Two lifting thrust units are contained in the guide piece both sides respectively, and lifting thrust unit and piston rod thereof are contained on the fixed platform; The axle tape spool holds by flange etc. and is loaded on the lifting table and passes the fixed platform hole, has orienting sleeve in the fixed platform hole, at the upper end of axle cogged; Gear is meshed with rotary pushing device bonded assembly tooth bar; Rotary pushing device, gear, tooth bar all are contained on the lifting table.Outside the piston rod of lifting thrust unit, supporting base 409 is housed between fixed platform and the lifting table.Axle and pin device 3 are linked to each other with jam nut 4032 by the tube 4031 that is threaded.
Rotation Electrohydraulic push rod captive joint tooth bar by the rotation of rack drives gear, is rotated motion thereby drive axle and the pin device fixed with gear; Promote whole lifting table by the lifting Electrohydraulic push rod and relatively carry out reciprocal lifting, make like this spool and the pin device has been realized axial up-and-down movement with fixed platform.The rail fender guard possesses simultaneously and rotatablely moves and the dipping and heaving function.And supporting base makes piston rod stressed when avoiding rail to drop on the pin, and when pin was in protection rail state, pin was in the position at the end, and the piston rod of Electrohydraulic push rod contact with lifting table, and supports by three supporting bases.
What rotary pushing device of the present invention and lifting thrust unit adopted is Electrohydraulic push rod, also can select mechanisms such as hydraulic actuating cylinder, or linear electric motors for use.
Track fender guard operating principle: turn 90 degrees by rotation Electrohydraulic push rod 401 promotion rack drives gears and pin positive and reverse return, make pin be parallel to drop in beam (not protecting the rail state); Or perpendicular to drop in beam (protection rail state); Then lifting Electrohydraulic push rod 402 pin is risen or reset with cooperate drop in beam, electromagnetic disc is lifted by crane and lay down rail 6.
Lifting rail course of action: pin is opened in rotation Electrohydraulic push rod 401 action earlier before the lifting; (being parallel to drop in beam); lifting Electrohydraulic push rod 402 carries out vertical motion then; electromagnetic disc just can have been carried out lifting rail 6 like this; after electromagnetic disc is lifted by crane rail; lifting Electrohydraulic push rod 402 carries out down maneuver, before revolves Electrohydraulic push rod 401 counteragents then and makes pin perpendicular to track (being in protection rail state).The action of laying down rail as previously mentioned, rotation Electrohydraulic push rod 401 action is earlier opened pin, (being parallel to electromagnetic suspended beam), lifting Electrohydraulic push rod 402 carries out vertical motion then, so just rail can have been laid down.
When being adsorbed with rail on the electromagnetic disc, pin is perpendicular to track, and apart from rail 40 millimeter, if the rail accident comes off from electromagnetic disc, rail can be fallen on the pin, can not break, and processing accident simple and fast.

Claims (6)

1, a kind of hoisting sling of long rail special use comprises two groups of pulleys that electromagnetic disc (5) that drop in beam, drop in beam are adorned below and drop in beam are adorned above; It is characterized in that: described drop in beam is made up of with following drop in beam (3) last drop in beam (1), adjustable rod (2), and last drop in beam is provided with two pairs of connecting panels with following drop in beam middle part, adopts four bearing pins to connect; Adjustable rod links to each other with following drop in beam end at last drop in beam; And on following drop in beam, be provided with some to lifting rail fender guard (4).
2, the hoisting sling of a kind of long rail special use according to claim 1 is characterized in that: the described drop in beam of going up is two suspension centres, box girder structure, and following drop in beam is a truss structure.
3, the hoisting sling of a kind of long rail special use according to claim 2 is characterized in that: described drop in beam truss structure down is the trapezoid cross section.
4, the hoisting sling of a kind of long rail special use according to claim 1 is characterized in that: described rail fender guard (4) comprises rotary pushing device (401), lifting thrust unit (402), axle and pin device (403), fixed platform (404), lifting table (405), tooth bar (406), gear (407) and guide piece (408); Fixed platform is installed on down on the lower boom of drop in beam, and lifting table is inserted in the hole of tape guide cover of fixed platform at the fixing guide piece of lifting table on fixed platform; Two lifting thrust units are contained in the guide piece both sides respectively, and lifting thrust unit and piston rod thereof are contained on the fixed platform; Axle is loaded on the lifting table and passes the fixed platform hole, and fixed platform has orienting sleeve in the hole, at the upper end of axle cogged; Gear is meshed with rotary pushing device bonded assembly tooth bar; Rotary pushing device, wheel and rack all are contained on the lifting table.
5, the hoisting sling of a kind of long rail special use according to claim 4 is characterized in that: outside the piston rod of described lifting thrust unit, supporting base (409) is housed between fixed platform and the lifting table.
6, the hoisting sling of a kind of long rail special use according to claim 4 is characterized in that: described axle and pin device (403) are linked to each other with jam nut (4032) by the tube (4031) that is threaded.
CNB2006101020258A 2006-10-13 2006-10-13 Hoisting slings specially for long steel rail Expired - Fee Related CN100465084C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006101020258A CN100465084C (en) 2006-10-13 2006-10-13 Hoisting slings specially for long steel rail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006101020258A CN100465084C (en) 2006-10-13 2006-10-13 Hoisting slings specially for long steel rail

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CN1944220A CN1944220A (en) 2007-04-11
CN100465084C true CN100465084C (en) 2009-03-04

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145855B (en) * 2011-01-21 2013-05-15 太原重工股份有限公司 Rotary lifting appliance of electromagnetic plate crane
CN105712213B (en) * 2014-12-03 2017-12-15 中国核工业二四建设有限公司 AP1000 nuclear power superposed type dome lifting and fixing construction methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07330274A (en) * 1994-06-10 1995-12-19 Mitsubishi Steel Mfg Co Ltd Lifting magnet device for handling long shape steel
JPH08198582A (en) * 1995-01-26 1996-08-06 Yukishima Tekkosho:Kk Shape steel conveying device in machining line
CN1833983A (en) * 2006-04-06 2006-09-20 大连华锐股份有限公司 Variable distance extension electromagnetic pylon

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07330274A (en) * 1994-06-10 1995-12-19 Mitsubishi Steel Mfg Co Ltd Lifting magnet device for handling long shape steel
JPH08198582A (en) * 1995-01-26 1996-08-06 Yukishima Tekkosho:Kk Shape steel conveying device in machining line
CN1833983A (en) * 2006-04-06 2006-09-20 大连华锐股份有限公司 Variable distance extension electromagnetic pylon

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Owner name: TAIYUAN HEAVY INDUSTRY CO.

Free format text: FORMER OWNER: TAIYUAN HEAVY MACHINERY GROUP CO., LTD.

Effective date: 20080808

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Address after: 53, Jade River Street, Hexi District, Shanxi, Taiyuan, China: 030024

Applicant after: TAIYUAN HEAVY INDUSTRY Co.,Ltd.

Address before: 53, Jade River Street, Wan Berlin District, Shanxi City, Taiyuan Province, China: 030024

Applicant before: Taiyuan Heavy Machinery Group Co.,Ltd.

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Granted publication date: 20090304

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CF01 Termination of patent right due to non-payment of annual fee