CN201058789Y - Wheel-track type girder gantry crane - Google Patents
Wheel-track type girder gantry crane Download PDFInfo
- Publication number
- CN201058789Y CN201058789Y CNU2007200902114U CN200720090211U CN201058789Y CN 201058789 Y CN201058789 Y CN 201058789Y CN U2007200902114 U CNU2007200902114 U CN U2007200902114U CN 200720090211 U CN200720090211 U CN 200720090211U CN 201058789 Y CN201058789 Y CN 201058789Y
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Abstract
The utility model discloses a wheel rail type hoisting girder machine which comprises a door type frame formed by a rigid support leg (2) and a flexible support leg (3) as well as a load bearing main beam (1) and taken as a hoist support structure, wherein, the bottoms of the rigid support leg (2) and the flexible support leg (3) are both provided with a running truck (4) and a main car running supporting structure (5) as well as a steering mechanism (6); a hoisting mechanism (7) and a longitudinal adjustment mechanism of a hoist trolley (8) are arranged on the load bearing main beam (1). The utility model is characterized in that: the rigid support leg (2) and the flexible support leg (3) both have lateral triangle frame structures, the front end and the rear end of the hemline of the triangle frame structure are respectively connected with a balanced beam (17) through the steering mechanism (6) and a hinge base (16), the running truck (4) is connected below the balanced beam (17) through a connecting part; the main car running supporting structure (5) is arranged at the middle part below the hemline of the triangle frame structure.
Description
Technical field
The utility model relates to a kind of bridge construction equipment, and particularly a kind of speed per hour that is applicable to is that 20m, 24m, 32m bridge carry out the wheel-track type lifting beam machine of the whole hole of two-wire prestress box-shaped beams of concrete in the lifting of fabrication yard, carrying, entrucking construction to span on the special line for passenger trains of 200~350km.
The utility model can also be applied to lifting, carrying, the entrucking construction of the large-sized object in other fields such as express highway, water conservancy, harbour, harbour, steel mill, shipyard, aerospace, rocket, guided missile.
Background technology
Along with Beijing-Tianjin, military wide, stone too, close going into operation successively of special line for passenger trains such as peaceful, Zheng Xi, China has started the large-scale high speed railway construction climax of a new round.Mostly be to adopt two MG450 lifting beam machines to lift a slice case beam as special line for passenger trains fabrication yard large-tonnage concrete box girder wheel-track type bale handle equipment at present, arrange walking rails along making, deposit beam pedestal both sides, this lifting beam machine can only lift it and stride interior case beam.In addition, only can realize traversing traveling in above-mentioned this bale handle equipment moving process, and can not be implemented in the vertical shift traveling that vertical shift track and cross moving track 90 degree intersect, can't satisfy bale handle on any one pedestal of fabrication yard, Luo Liang and adorn job requirement such as beam to beam transportation vehicle.
Summary of the invention
The purpose of this utility model provide at existing weak point in the above-mentioned prior art just a kind of can traveling on the vertical, horizontal track, satisfy to any one pedestal of fabrication yard bale handle, Luo Liang and to the wheel-track type lifting beam machine of job requirements such as beam transportation vehicle dress beam.This lifting beam machine also has maneuverability except that possessing above-mentioned functions, the operating efficiency height, and investment cost is low, does not need accessory equipment just can satisfy the characteristics of fabrication yard construction requirement.
Wheel-track type lifting beam machine of the present utility model comprises by rigid leg and flexible leg and the common portal frame of forming as the lifting supporting construction of main bearing beam, the bottom of two supporting legs all is furnished with running truck and cart traveling supporting mechanism and steering hardware, lifting mechanism and lifting dolly fore-and-aft adjustment mechanism are installed on the main bearing beam, described rigid leg and flexible leg are edge-on formula triangular frame structure, rear and front end on the triangular frame structure base is connected with an equalizer by steering hardware and free bearing respectively, running truck is installed in the equalizer below by attaching parts, and cart traveling supporting mechanism is arranged on the middle part of below, triangular frame structure base.
Main bearing beam described in the utility model adopts single steel case beam as the supporting construction of lifting mechanism, and that this structure has is simple in structure, rigidity is big, load-carrying capacity is strong, adapts to beam body lifting requirements, and the lifting vehicle structure is simplified greatly.Girder forms rigidity and squareness all good structure with splice plate with the high strength bolt connection by five sections members, with cross wall and vertical ribbed stiffener the case beam is reinforced and is guaranteed its local stability, and the girder top is furnished with hanging beam dolly straight skidding track.Girder sections single-piece weight and upperlimit satisfy railway and road transport requirement.
Rigid leg described in the utility model and flexible leg are all by the whole stressed triangular frame structure that is connected saddle, forms with the supporting leg crossbeam that is connected oblique column that former and later two times of saddle inclined Connection Blocks combine, be connected two oblique column lower ends that is supported on below, main bearing beam two ends.
Described supporting mechanism is made up of support cylinder and base, and steering hardware is formed by turning to oil cylinder and revolution to support between supporting leg crossbeam and equalizer.This supporting mechanism can support ground in the jacking of lifting beam machine light condition, and the integral body of finishing equalizer and running truck by the effect that turns to oil cylinder turns to 90 ° requirement.
Lifting mechanism described in the utility model comprises four winchs, lifting dolly, fixed pulley group, running block, suspender, leading sheave and steel rope; Winch adopts two brakings, and the fixed pulley group is enclosed within on the lifting dolly, finishes the lifting dolly in length and breadth to the fine motion adjustment by fore-and-aft adjustment mechanism, steel rope between moving fixed pulley group through 4 * 10 windings, realize simultaneously 4 hoist, 3 balances.
Electric system in the utility model is mainly by the control system that hoists, cart traveling control system, demonstration supervisory system, running command and contact sound system, wind direction and warning thereof, lifting load measurement, demonstration and warning, compositions such as Lighting System, hydraulic control system.
The dolly of hanging beam described in the utility model vertical shift luffing adjusting mechanism adopts oil cylinder to promote scheme, 2 vertical shift pipe bending cylinders are set between each hanging beam dolly and girder, the accurate contraposition requirement that the hanging beam dolly can vertical shift ± 500mm when satisfying heavy duty, when zero load, need grow simultaneously distance and adjust the lengthwise position of hanging beam dolly, adopt walking pushing tow mode to realize the luffing displacement of hanging beam dolly.
Certain bending moment is born on the top of rigid leg described in the utility model, so supporting leg adopts box section structure wide at the top and narrow at the bottom; Described flexible leg is upper and lower prismatic box type construction, compare its rigidity with rigid leg less, girder and two supporting legs form the door-shaped frame structure like this, the supporting leg displacement that lift heavy load and temperature traverse cause can be regulated by the distortion of flexible leg, has improved integrally-built stability and the cart traveling comformability to track.
The utility model is to support develop on the basis that turns to technology a kind of at the structure of traditional wheel track transfer crane and hoist technology and hydraulic pressure to be primarily aimed at the large lifting equipment that lifting, transfer and the entrucking construction of 900 tons of case beams of railway line for passenger traffic in fabrication yard needs, can be widely used in large-scale material (member) lifting, carrying, entrucking etc., be implemented in length and breadth and switch between the track by hydraulic pressure support, steering hardware, satisfy the work such as lifting, carrying, entrucking of all beam bodies of fabrication yard, reduce labour intensity, improve apparatus adaptability and work efficiency.
The utility model has following technical characterstic compared to existing technology:
(1) complete machine adopts mechanical, electrical, hydraulic control system technology, and the part that hoists adopts electric winch, and the power of walking, hoist provides dispense with outer connecting power by generator set.
(2) the door shape main frame structure that adopts a firm gentle supporting leg and load-bearing steel case beam to form has improved running mechanism reliability and integral structure stability.
(3) the traveling wheels adopt ball pivot+equalizer structure, guarantee all even structural compactness of wheel load.
(4) complete machine can turn to the requirement that is implemented in traveling on the vertical, horizontal track by 90 ° of cart running mechanism.
(5) hoisting system by steel rope twine to realize 4 hoist, 3 balances, avoid the case torsion beam suspension, also guarantee steel rope and suspension rod stress equalization simultaneously.
(6) walking and lifting mechanism adopt converter technique, have realized steadily opening, braking.Complete machine adopts the PLC program control technology, and is safe and reliable.
(7) adopt single main beam structure, simple in structure, rigidity is big, load-carrying capacity is strong, adapt to beam body lifting requirements, the lifting vehicle structure is simplified greatly.
(8) lifting mechanism is finished the vertical fine motion adjustment of lifting dolly by the vertical shift oil cylinder, the accurate contraposition adjustment of suspender when realizing lifting.Advance by vertical shift oil cylinder walking simultaneously and finish lifting dolly length, realize the case beam requirement of lifting different spans apart from vertical shift.
Description of drawings
Fig. 1 is the front view of wheel-track type lifting beam machine.
Fig. 2 is the rigid leg view of lifting beam machine.
Fig. 3 is the flexible leg view of lifting beam machine.
Fig. 4 is the front view of lifting mechanism.
Fig. 5 is the birds-eye view of Fig. 4.
Fig. 6 is the working state figure of lifting beam machine when beam transportation vehicle dress beam.
Sequence number 1 is the main bearing beam of lifting beam machine among Fig. 1-3, the 2nd, and rigid leg, the 3rd, flexible leg, the 4th, wheel-track type running truck, the 5th, cart traveling supporting mechanism, the 6th, cart traveling steering hardware, the 7th, lifting mechanism, the 8th, lifting dolly fore-and-aft adjustment mechanism, the 9th, generator set, the 10th, hydraulic efficiency pressure system, the 11st, electric control system, the 12nd, operator's compartment, the 13rd, supporting leg connects saddle, the 14th, the oblique column of supporting leg, the 15th, supporting leg crossbeam, the 16th, free bearing, the 17th, equalizer.
18 is electric winchs among Fig. 4, Fig. 5, the 19th, and lifting dolly, the 20th, fixed pulley group, the 21st, running block, the 22nd, spreader assembly, the 23rd, leading sheave, the 24th, steel rope.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, the utility model comprises as the main bearing beam of lifting supporting construction (1) and is installed in rigid leg (2) and flexible leg (3) below it, the bottom of supporting leg is furnished with running truck (4) and cart traveling supporting mechanism (5) and steering hardware (6), lifting mechanism (7) and lifting dolly fore-and-aft adjustment mechanism (8), generator set (9), hydraulic efficiency pressure system (10), electric control system (11) and operator's compartment (12).
As Fig. 2, shown in Figure 3, described main bearing beam (1) adopts single steel box-beam structure; Described rigid leg (2) and flexible leg (3) are all by the whole stressed edge-on formula triangular frame structure that is connected saddle (13), forms with the supporting leg crossbeam (15) that is connected oblique column (14) that former and later two times of saddle (13) inclined Connection Blocks combine, be connected two oblique columns (14) lower end that is supported on below, main bearing beam (1) two ends, rear and front end at supporting leg crossbeam (15) is connected with an equalizer (17) by steering hardware (6) and free bearing (16) respectively, and the setting of free bearing (16) and equalizer (17) can be guaranteed each running truck (4) stress equalization; Described running truck (4) is installed in equalizer (17) below by attaching parts, forms the middle part that cart traveling supporting mechanism (5) is arranged on supporting leg crossbeam (15) below by support cylinder and base; Steering hardware (6) is positioned between supporting leg crossbeam (15) and the equalizer (17), forms by turning to oil cylinder and revolution to support.Organic cooperation of supporting mechanism (5) and steering hardware (6) can realize complete machine mode shifter conversion in length and breadth, when being in light condition, lifting beam machine acts on ground by the support cylinder in the supporting mechanism (5), running truck (4) is come to nothing, and running truck (4) and supporting leg equalizer can be finished 90 ° and turn to turning under the oil cylinder effect.
Certain bending moment is born on the top of rigid leg described in the utility model (2), so supporting leg adopts box section structure wide at the top and narrow at the bottom; Described flexible leg (3) is upper and lower prismatic box type construction (seeing Fig. 1, Fig. 3), compare its rigidity with rigid leg less, girder and two supporting legs form the door-shaped frame structure like this, the supporting leg displacement that lift heavy load and temperature traverse cause can be regulated by the distortion of flexible leg, has improved integrally-built stability and the cart traveling comformability to track.
As Fig. 4, shown in Figure 5, lifting mechanism (6) comprises four winchs (18), lifting dolly (19), fixed pulley group (20), running block (21), suspender (22), leading sheave (23) and steel rope (24); Winch adopts two brakings, and the fixed pulley group is enclosed within on the lifting dolly, finishes the lifting dolly in length and breadth to the fine motion adjustment by fore-and-aft adjustment mechanism (8), steel rope between moving fixed pulley group through 4 * 10 windings, realize simultaneously 4 hoist, 3 balances; Described fore-and-aft adjustment mechanism (8) is made of two vertical shift pipe bending cylinders that are arranged between each lifting dolly (19) and the girder.
Lifting beam machine complete machine of the present utility model is self-powered, provide power supply by generator set (9), send various instructions by electric control system (11) and by operator's compartment (12), hydraulic efficiency pressure system (10), running truck (4) and lifting mechanism power power elements such as (7) are finished the lifting beam machine various actions.
Fig. 6 is lifting beam machine scheme drawing when beam transportation vehicle dress beam, and the groundwork flow process of several operating modes of lifting beam machine is as follows:
1. move beam: the unloaded traveling of lifting beam machine is installed suspender lifting beam body and is made the beam body cross the template height to certain altitude to the beam making bench top, and the traversing traveling of complete machine puts in place and falls to being placed on to deposit on the beam pedestal.
2. entrucking: the unloaded traveling of lifting beam machine is to depositing beam pedestal top, suspender lifting beam body is installed to certain altitude, the traversing traveling of complete machine is to vertical shift channel position beam transportation vehicle top (beam transportation vehicle reaches this position in advance), lifting beam machine is placed on the beam body drop on the beam transportation vehicle, lifting beam machine is traversing leaves, and beam transportation vehicle carries the beam operation then.
3. zero load turns to become and strides: lifting beam machine need become when striding construction, at first unloaded traversing traveling is to transferring the fork orbital position in length and breadth, with the accurate centering of predetermined steering position, one-sided supporting leg support cylinder effect ground makes the cart running mechanism turn to 90 degree, finish another sidecar running mechanism then and turn to, lifting beam machine is converted to the vertical shift pattern by lateral pattern, and the complete machine traveling turns to construction location to needs, employing turns to 90 degree once more with quadrat method, and realization vertical shift pattern is changed to lateral pattern.
Claims (9)
1. wheel-track type lifting beam machine, it comprises by rigid leg (2) and flexible leg (3) and the common portal frame of forming as the lifting supporting construction of main bearing beam (1), the bottom of two supporting legs (2) and (3) all is furnished with running truck (4) and cart traveling supporting mechanism (5) and steering hardware (6), lifting mechanism (7) and lifting dolly fore-and-aft adjustment mechanism (8) are installed on the main bearing beam (1), it is characterized in that: rigid leg (2) and flexible leg (3) are edge-on formula triangular frame structure, rear and front end on the triangular frame structure base is connected with an equalizer (17) by steering hardware (6) and free bearing (16) respectively, running truck (4) is installed in equalizer (17) below by attaching parts, and cart traveling supporting mechanism (5) is arranged on the middle part of below, triangular frame structure base.
2. wheel-track type lifting beam machine according to claim 1 is characterized in that: described main bearing beam (1) adopts single steel box-beam structure.
3. wheel-track type lifting beam machine according to claim 1 is characterized in that: rigid leg (2) and flexible leg (3) are all by the whole stressed triangular frame structure that is connected saddle (13), forms with the supporting leg crossbeam (15) that is connected oblique column (14) that former and later two times of saddle (13) inclined Connection Blocks combine, be connected two oblique columns (14) lower end that is supported on below, main bearing beam (1) two ends.
4. wheel-track type lifting beam machine according to claim 1 is characterized in that: supporting mechanism (5) is made up of support cylinder and base.
5. wheel-track type lifting beam machine according to claim 1 is characterized in that: steering hardware (6) is positioned between supporting leg crossbeam (15) and the equalizer (17), forms by turning to oil cylinder and revolution to support.
6. wheel-track type lifting beam machine according to claim 1 is characterized in that: lifting mechanism (6) comprises four winchs (18), lifting dolly (19), fixed pulley group (20), running block (21), suspender (22), leading sheave (23) and steel rope (24); Winch adopts two brakings, and the fixed pulley group is enclosed within on the lifting dolly, finishes the lifting dolly in length and breadth to the fine motion adjustment by fore-and-aft adjustment mechanism (8), steel rope between moving fixed pulley group through 4 * 10 windings, realize simultaneously 4 hoist, 3 balances.
7. wheel-track type lifting beam machine according to claim 6 is characterized in that: fore-and-aft adjustment mechanism (8) is made of two vertical shift pipe bending cylinders that are arranged between each lifting dolly (19) and the girder.
8. wheel-track type lifting beam machine according to claim 3 is characterized in that: described rigid leg (2) adopts box section structure wide at the top and narrow at the bottom.
9. wheel-track type lifting beam machine according to claim 3 is characterized in that: described flexible leg (3) is upper and lower prismatic box type construction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200902114U CN201058789Y (en) | 2007-04-29 | 2007-04-29 | Wheel-track type girder gantry crane |
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CNU2007200902114U CN201058789Y (en) | 2007-04-29 | 2007-04-29 | Wheel-track type girder gantry crane |
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CNU2007200902114U Expired - Lifetime CN201058789Y (en) | 2007-04-29 | 2007-04-29 | Wheel-track type girder gantry crane |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102408063A (en) * | 2011-12-05 | 2012-04-11 | 郑州新大方重工科技有限公司 | General purpose gantry crane |
CN102774747A (en) * | 2012-08-09 | 2012-11-14 | 郑州新大方重工科技有限公司 | Steering mechanism for travelling trolley of universal gantry crane |
CN102838044A (en) * | 2012-09-17 | 2012-12-26 | 中铁重工有限公司 | Tunnel rescue crane |
CN104528534A (en) * | 2014-12-25 | 2015-04-22 | 中国水利水电第七工程局有限公司 | Span change structure of beam lifter |
CN107500142A (en) * | 2017-08-22 | 2017-12-22 | 郑州新大方重工科技有限公司 | A kind of lifting beam machine |
CN108128708A (en) * | 2018-01-23 | 2018-06-08 | 中铁十局集团汉江重工有限公司 | A kind of wheel-track type bale handle carrying implement |
CN108328481A (en) * | 2016-12-29 | 2018-07-27 | 张琴 | Fluid pressure type lifts leg assembly and port transports spliced emergent gantry crane |
CN108483249A (en) * | 2018-05-31 | 2018-09-04 | 河南省中原起重机械有限公司 | A kind of bridge crane that stability is high |
CN109437025A (en) * | 2018-12-14 | 2019-03-08 | 中铁工程机械研究设计院有限公司 | C-type supporting leg bed board gantry crane that can be traversing |
CN110255390A (en) * | 2019-07-04 | 2019-09-20 | 河南正大起重设备有限公司 | A kind of adjustable lifting beam machine of span |
CN110983986A (en) * | 2019-12-24 | 2020-04-10 | 金建伟 | Temporary bridge laying machine |
CN117800233A (en) * | 2024-02-28 | 2024-04-02 | 江苏堃阳自动化设备有限公司 | Installation overhead hoist for automobile assembly production line |
-
2007
- 2007-04-29 CN CNU2007200902114U patent/CN201058789Y/en not_active Expired - Lifetime
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102408063A (en) * | 2011-12-05 | 2012-04-11 | 郑州新大方重工科技有限公司 | General purpose gantry crane |
CN102774747A (en) * | 2012-08-09 | 2012-11-14 | 郑州新大方重工科技有限公司 | Steering mechanism for travelling trolley of universal gantry crane |
CN102838044A (en) * | 2012-09-17 | 2012-12-26 | 中铁重工有限公司 | Tunnel rescue crane |
CN102838044B (en) * | 2012-09-17 | 2014-05-21 | 中铁重工有限公司 | Tunnel rescue crane |
CN104528534A (en) * | 2014-12-25 | 2015-04-22 | 中国水利水电第七工程局有限公司 | Span change structure of beam lifter |
CN108328481B (en) * | 2016-12-29 | 2019-12-03 | 泉州台商投资区镕逸科技有限公司 | Fluid pressure type lifts leg assembly and port transports spliced emergency gantry crane |
CN108328481A (en) * | 2016-12-29 | 2018-07-27 | 张琴 | Fluid pressure type lifts leg assembly and port transports spliced emergent gantry crane |
CN107500142A (en) * | 2017-08-22 | 2017-12-22 | 郑州新大方重工科技有限公司 | A kind of lifting beam machine |
CN107500142B (en) * | 2017-08-22 | 2020-05-05 | 郑州新大方重工科技有限公司 | Beam lifting machine |
CN108128708A (en) * | 2018-01-23 | 2018-06-08 | 中铁十局集团汉江重工有限公司 | A kind of wheel-track type bale handle carrying implement |
CN108483249A (en) * | 2018-05-31 | 2018-09-04 | 河南省中原起重机械有限公司 | A kind of bridge crane that stability is high |
CN109437025A (en) * | 2018-12-14 | 2019-03-08 | 中铁工程机械研究设计院有限公司 | C-type supporting leg bed board gantry crane that can be traversing |
CN109437025B (en) * | 2018-12-14 | 2024-03-01 | 中铁工程机械研究设计院有限公司 | Transversely-movable C-shaped supporting leg plank door hanger |
CN110255390A (en) * | 2019-07-04 | 2019-09-20 | 河南正大起重设备有限公司 | A kind of adjustable lifting beam machine of span |
CN110983986A (en) * | 2019-12-24 | 2020-04-10 | 金建伟 | Temporary bridge laying machine |
CN110983986B (en) * | 2019-12-24 | 2021-06-15 | 丽水市天顺导轨制造有限公司 | Temporary bridge laying machine |
CN117800233A (en) * | 2024-02-28 | 2024-04-02 | 江苏堃阳自动化设备有限公司 | Installation overhead hoist for automobile assembly production line |
CN117800233B (en) * | 2024-02-28 | 2024-05-03 | 江苏堃阳自动化设备有限公司 | Installation overhead hoist for automobile assembly production line |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU DAFANG BRIDGE-MACHINE CO., LTD. Free format text: FORMER NAME: ZHENGZHOU DAFANG BRIDGE MACHINERY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 450064 No. 1 Minghui Road, Ma Zhuang Town, Henan, Zhengzhou Patentee after: Zhengzhou New Dafang Heavy Industries & Technology Co., Ltd. Address before: 10201 box 450005, Zheng Mi Road, Henan, Zhengzhou Patentee before: Zhengzhou Dafang Bridge Machinery Co., Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20080514 |