CN110562858B - High-stability beam lifting machine - Google Patents
High-stability beam lifting machine Download PDFInfo
- Publication number
- CN110562858B CN110562858B CN201910882072.6A CN201910882072A CN110562858B CN 110562858 B CN110562858 B CN 110562858B CN 201910882072 A CN201910882072 A CN 201910882072A CN 110562858 B CN110562858 B CN 110562858B
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- main beam
- sides
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- main
- stability
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
- B66C1/447—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated by hydraulic or pneumatic motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a high-stability beam lifter, which comprises bases, wherein first movable wheels are fixed at the bottoms of two groups of the bases, supporting legs are arranged at the tops of the first movable wheels, first main beams are arranged at the tops of the supporting legs, limiting blocks are fixed at the tops of the first main beams, and a second main beam is arranged between the two groups of the first main beams; the device is provided with the first main beam and the second main beam, the main beams are connected through the connecting rod, the second main beam can be jacked up through the relative movement of the first moving wheel at the bottom of the first main beam, the second main beam is overlapped at the top of the first main beam, the second main beam is limited through the limiting block, the overall thickness of the main beams is increased, the weighing capacity and the stability of the device are improved, meanwhile, the overall width of the device can be reduced, the occupied area of the device is reduced, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of beam lifting machines, in particular to a beam lifting machine with high stability.
Background
The beam lifting machine is a portal crane specially designed for bridge construction, mainly comprises an assembled main beam, supporting legs, a crown block and the like, and is easy to disassemble, assemble and transport as the components are connected by pin shafts and high-strength bolts; compared with the common portal crane, the gantry crane is convenient and quick to install, economical and practical, and is suitable for frequently-flowing road and bridge construction units;
however, the length and the bearing capacity of the main beam of the existing girder lifting machine are fixed in the using process, the main beam cannot be overlapped to increase the thickness of the main beam so as to improve the lifting capacity of the device and the lifting stability of heavy objects, the usability is low, in the moving process, the position of the moving wheel is fixed, and in the using process of soft ground, the stress of a local area is large, so that the sinking condition is easily caused, the use of the device is influenced, meanwhile, the traditional device only needs to bolt a steel cable between lifting pieces to lift the bridge in the using process, the bridge cannot be clamped in the hanging process, and the stability is poor.
Disclosure of Invention
In view of the above problems, the present invention provides a beam lifter with high stability, so as to solve the problem of poor stability of the beam lifter proposed in the above background art.
In order to solve the problems, the invention provides a beam lifting machine with high stability, which comprises bases, wherein first movable wheels are fixed at the bottoms of two groups of the bases, supporting legs are arranged at the tops of the first movable wheels, first main beams are arranged at the tops of the supporting legs, limiting blocks are fixed at the tops of the first main beams, a second main beam is arranged between the two groups of the first main beams, first limiting grooves are arranged at the tops of the first main beams, which are close to one side of the second main beam, connecting rods are hinged inside the first limiting grooves, second limiting grooves are arranged at the bottoms of two sides of the second main beam, one ends, which are far away from the second main beam, of the connecting rods are hinged with the inner tops of the second limiting grooves, first arc-shaped edges are arranged at one side of the first limiting grooves, second arc-shaped edges are arranged at the bottoms of the second limiting grooves, and a crown block is slidably arranged at the bottoms of the second main beams, and the bottom symmetry of overhead traveling crane is provided with the hanging wheel, the hanger plate is installed to the bottom of hanging wheel, and the both sides of hanger plate all articulate and have and hang the piece.
The further improvement lies in that: the both sides of overhead traveling crane all are provided with first telescopic cylinder, and the cable wire is all installed to first telescopic cylinder's output, the one end that the overhead traveling crane was kept away from to the cable wire all articulates with the top of hanging the piece.
The further improvement lies in that: the inner sides of the hanging pieces are provided with anti-skidding teeth, and the bottoms of the hanging pieces are provided with fixing holes.
The further improvement lies in that: the both sides of first removal wheel all are provided with the second and remove the wheel, and the second removes all to be provided with the slide bar on taking turns, the slide bar all extend to the inside of base and with base sliding connection, the both sides of landing leg all articulate there is the flexible cylinder of second, and the output of the flexible cylinder of second all articulates with the top of slide bar.
The further improvement lies in that: and a fixed block is arranged in the middle of the inside of the base.
The further improvement lies in that: the first main beam and the second main beam are in an I shape.
The further improvement lies in that: all be provided with the strengthening rib between landing leg and the first girder, the inside of landing leg all evenly is provided with the crossbar.
Compared with the prior art, the invention has the beneficial effects that:
(1) this circulation water heater's novel structural mounting has first girder and second girder, connect between the girder through the connecting rod, and through the first relative movement who removes the wheel in first girder bottom, can be with second girder jack-up, superpose the top at first girder with the second girder, and carry on spacingly to the second girder through the stopper, increase the whole thickness of girder, the weighing capacity and the stability of device have been improved, utilize the stack effect between the girder simultaneously, can reduce the holistic width of device, reduce the area of device, the practicality of device has been improved.
(2) This circulation water heater's novel structural mounting has the second to remove the wheel, utilize the second to remove wheel slide bar fixed connection, and through the sliding connection between slide bar and the base inside, make the device at the in-process that uses, the start-up that utilizes the flexible cylinder of second can promote the second to remove the wheel and remove to both sides, increase the multiunit and remove the distance between the wheel, increase then and remove the shared area of wheel, the pressure that the in-process that has reduced the device and has caused the local area removing, avoid the line of unloading of soil, the stability of device has been improved.
(3) This circulation water heater's novel structural mounting has first telescopic cylinder, and the one end that can drive the iron cable through first telescopic cylinder's start-up removes, then stretches the one end of hanging the piece, and utilizes and hangs a and hanger plate articulated setting for the in-process that the device was using not only can hang in midair to the bridge through adding the cable wire bottom hanging the piece, can utilize simultaneously two sets of the holding effect that adds between hanging the piece, has improved the stability to the bridge centre gripping.
(4) This circulation water heater's novel structural mounting has the fixed block, utilizes fixed block fixed mounting in the inside of base spout, can support the base, avoids leading to base deformation because of the extrusion, has ensured the stability of base.
Drawings
Fig. 1 is an initial state diagram of the present invention.
Fig. 2 is a stacked state diagram of the main beam of the present invention.
Fig. 3 is a cross-sectional view of the girder in an initial state of the present invention.
Fig. 4 is a cross-sectional view of the stacked girder of the present invention.
Fig. 5 is a partial mechanism diagram of the present invention.
Fig. 6 is a cross-sectional view of a base of the present invention.
Fig. 7 is a side view of the main beam of the present invention.
Wherein: 1. a base; 2. a first moving wheel; 3. a support leg; 4. a first main beam; 5. a limiting block; 6. a second main beam; 7. a first limit groove; 8. a connecting rod; 9. a second limit groove; 10. a first arcuate edge; 11. a second arcuate edge; 12. a crown block; 13. a hoisting wheel; 14. a hanger plate; 15. a hanger; 16. a first telescopic cylinder; 17. a steel cord; 18. a second moving wheel; 19. a slide bar; 20. a second telescopic cylinder; 21. and (5) fixing blocks.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to the drawings 1-7, the embodiment provides a beam lifting machine with high stability, which comprises bases 1, wherein first movable wheels 2 are fixed at the bottoms of two groups of bases 1, supporting legs 3 are installed at the tops of the first movable wheels 2, first main beams 4 are installed at the tops of the supporting legs 3, limiting blocks 5 are fixed at the tops of the first main beams 4, a second main beam 6 is arranged between the two groups of first main beams 4, first limiting grooves 7 are arranged at the tops of the first main beams 4 close to one sides of the second main beams 6, connecting rods 8 are hinged inside the first limiting grooves 7, second limiting grooves 9 are arranged at the bottoms of two sides of the second main beams 6, one ends of the connecting rods 8 far away from the second main beams 6 are hinged with the inner tops of the second limiting grooves 9, first arc-shaped edges 10 are arranged at one sides of the first limiting grooves 7 close to the second main beams 6, second arc-shaped edges 11 are arranged at the bottoms of the second limiting grooves 9, the bottom slidable mounting of second girder 6 has overhead traveling crane 12, and the bottom symmetry of overhead traveling crane 12 is provided with hanging wheel 13, hanging plate 14 is installed to the bottom of hanging wheel 13, and hanging piece 15 all articulates in the both sides of hanging plate 14, when being heavier to the bridge weight, start the actuating mechanism of base 1 bottom and drive first removal wheel 2 and remove relatively, utilize the relative motion of two sets of first girders 4, and the slope setting of cooperation connecting rod 8, with the arc limit on first girder 4 and the second girder 6, jack-up second girder 6, and the laminating is at the top of first girder 4, the both sides of second girder 6 and stopper 5 laminating simultaneously, it is spacing to utilize stopper 5, promote the thickness of girder to the twice of initial condition after the girder laminating is accomplished, then suspend the operation in midair once more.
The both sides of overhead traveling crane 12 all are provided with first telescopic cylinder 16, and the output of first telescopic cylinder 16 all installs cable 17, and the one end that overhead traveling crane 12 was kept away from to cable 17 all articulates with the top of hanging 15, starts first telescopic cylinder 16, promotes cable 17 and removes, utilizes cable 17 to hang the traction effect of 15 one ends of 15, presss from both sides the top of bridge tightly with two sets of hanging 15.
The inner sides of the hanging pieces 15 are provided with anti-skidding teeth, the bottoms of the hanging pieces 15 are provided with fixing holes, the fixing holes can facilitate the bolting of the steel cables, and the anti-skidding teeth are used for ensuring the stability of the hanging pieces 15 in the clamping process.
The both sides of first removal wheel 2 all are provided with the second and remove wheel 18, and all be provided with slide bar 19 on the second removal wheel 18, slide bar 19 all extend to base 1's inside and with base 1 sliding connection, the both sides of landing leg 3 all articulate there is second telescopic cylinder 20, and the output of second telescopic cylinder 20 all articulates with slide bar 19's top, hang in midair under the softer condition in-process ground, start second telescopic cylinder 20 and promote slide bar 19 and slide in base 1 is inside, increase the distance between the second removal wheel 18, increase the shared area of whole removal wheel then, the partial pressure to soil has been reduced, the stability of device use has been ensured.
The inside intermediate position department of base 1 is provided with fixed block 21, utilizes fixed block 21 to support the inside cavity of base 1, avoids the base to cause deformation because of the extrusion.
The first main beam 4 and the second main beam 6 are in the shape of I-shaped beams, and the stability of the movement of the crown block 12 is ensured by the arrangement that the main beams are all in the I-shaped structures.
All be provided with the strengthening rib between landing leg 3 and the first girder 4, the inside of landing leg 3 all evenly is provided with the crossbar, utilizes the supporting role of strengthening rib and crossbar, has increased the holistic fastness of device.
The working principle is as follows: when a bridge with light weight is hoisted, the device is kept in an initial state, an iron cable is bolted between the hoisting pieces 15 and penetrates through the bottom of the bridge, then the first telescopic cylinder 16 is started to push the steel cable 17 to move, the two groups of hoisting pieces 15 clamp the top of the bridge by utilizing the traction effect of the steel cable 17 on one end of the hoisting piece 15, after the clamping, the hoisting wheels 13 at the bottom of the crown block 12 are started to ascend to hoist the bridge to move, when the bridge is heavy, the driving mechanism at the bottom of the base 1 is started to drive the first moving wheels 2 to move relatively, the two groups of first main beams 4 move relatively and are matched with the inclined arrangement of the connecting rods 8 to jack up the second main beam 6 with the arc-shaped edges on the first main beam 4 and the second main beam 6 and be attached to the top of the first main beam 4, and the two sides of the second main beam 6 are attached to the limiting blocks 5, utilize stopper 5 to carry on spacingly, promote the thickness of girder for the twice of initial condition after the girder laminating is accomplished, then suspend the operation in midair once more, suspend in midair under the softer condition in-process ground, start the flexible cylinder 20 of second and promote slide bar 19 and slide in base 1 inside, increase the second and remove the distance between the wheel 18, increase the shared area of whole removal wheel then, reduced the partial pressure to soil, ensured the stability of device use.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a handle machine that stability is high, includes base (1), its characterized in that: the bottom of the two groups of bases (1) is fixed with first movable wheels (2), the top of each first movable wheel (2) is provided with a support leg (3), the top of each support leg (3) is provided with a first main beam (4), the top of each first main beam (4) is fixed with a limiting block (5), a second main beam (6) is arranged between the two groups of first main beams (4), the top of one side, close to the second main beam (6), of each first main beam (4) is provided with a first limiting groove (7), the inside of each first limiting groove (7) is hinged with a connecting rod (8), the bottom of the two sides of each second main beam (6) is provided with a second limiting groove (9), one end, far away from the second main beam (6), of each connecting rod (8) is hinged with the inner top of the second limiting groove (9), one side, close to the second main beam (6), of each first limiting groove (7) is provided with a first arc-shaped edge (10), the bottom of the second limiting groove (9) is provided with a second arc-shaped edge (11), the bottom of the second main beam (6) is slidably provided with a crown block (12), the bottom of the crown block (12) is symmetrically provided with hanging wheels (13), the bottom of each hanging wheel (13) is provided with a hanging plate (14), and two sides of each hanging plate (14) are hinged with hanging pieces (15);
the two sides of the crown block (12) are both provided with first telescopic cylinders (16), the output ends of the first telescopic cylinders (16) are both provided with steel cables (17), and one ends, far away from the crown block (12), of the steel cables (17) are hinged with the top ends of the hanging pieces (15);
the two sides of the first moving wheel (2) are both provided with second moving wheels (18), the second moving wheels (18) are both provided with sliding rods (19), the sliding rods (19) all extend into the base (1) and are in sliding connection with the base (1), the two sides of the supporting leg (3) are both hinged with second telescopic cylinders (20), and the output ends of the second telescopic cylinders (20) are both hinged with the tops of the sliding rods (19);
all be provided with the strengthening rib between landing leg (3) and first girder (4), the inside of landing leg (3) all evenly is provided with the crossbar.
2. The high-stability beam lifting machine according to claim 1, characterized in that: the inner sides of the hanging pieces (15) are provided with anti-skidding teeth, and the bottoms of the hanging pieces (15) are provided with fixing holes.
3. The high-stability beam lifting machine according to claim 1, characterized in that: a fixed block (21) is arranged in the middle of the inside of the base (1).
4. The high-stability beam lifting machine according to claim 1, characterized in that: the first main beam (4) and the second main beam (6) are in the shape of I-shaped beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882072.6A CN110562858B (en) | 2019-09-18 | 2019-09-18 | High-stability beam lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882072.6A CN110562858B (en) | 2019-09-18 | 2019-09-18 | High-stability beam lifting machine |
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| Publication Number | Publication Date |
|---|---|
| CN110562858A CN110562858A (en) | 2019-12-13 |
| CN110562858B true CN110562858B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910882072.6A Active CN110562858B (en) | 2019-09-18 | 2019-09-18 | High-stability beam lifting machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843886B (en) * | 2021-10-11 | 2022-12-06 | 北京好运达智创科技有限公司 | Cover beam lifting and moving demolding device and demolding method |
| CN116040475B (en) * | 2023-04-03 | 2023-06-09 | 河南双力桥梁机械集团有限公司 | Easy-to-operate variable-span beam lifting machine |
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| CN206569914U (en) * | 2017-01-21 | 2017-10-20 | 中国航天建设集团有限公司 | A kind of portal frame and lifting device |
| CN206634933U (en) * | 2017-03-31 | 2017-11-14 | 陕西铁路工程职业技术学院 | A kind of subway work can continuously become across portal gantry structure |
| CN107988860A (en) * | 2017-11-24 | 2018-05-04 | 中铁重工有限公司 | A kind of rubber-tyred subway change paving machine and its become across method |
| CN108502740A (en) * | 2018-04-18 | 2018-09-07 | 丁瑞 | One kind can expansion type gallows frame |
| CN208413686U (en) * | 2018-07-25 | 2019-01-22 | 河南正大起重设备有限公司 | A kind of lifting beam machine becoming span |
| CN110203833A (en) * | 2019-04-16 | 2019-09-06 | 高湘 | A kind of collapsible front swing-machine suspender |
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2019
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| CN200940069Y (en) * | 2006-07-28 | 2007-08-29 | 上海港机重工有限公司 | Active beam of beam type crane |
| CN202848910U (en) * | 2012-07-24 | 2013-04-03 | 胜利油田胜利石油化工建设有限责任公司 | Hydraulic hoisting device for pipeline construction in tunnel |
| CN203199912U (en) * | 2013-04-03 | 2013-09-18 | 马永兵 | Folding gantry crane |
| CN105236276A (en) * | 2015-10-20 | 2016-01-13 | 常州工学院 | Foldable gantry crane capable of ascending and descending |
| CN205555904U (en) * | 2016-03-14 | 2016-09-07 | 郑州大学 | Movable gantry crane |
| CN205820707U (en) * | 2016-06-17 | 2016-12-21 | 中铁十七局集团第三工程有限公司 | A kind of beam shifting machine of scalable longitudinal length |
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| CN206569914U (en) * | 2017-01-21 | 2017-10-20 | 中国航天建设集团有限公司 | A kind of portal frame and lifting device |
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| CN110562858A (en) | 2019-12-13 |
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Address after: 453400 Weizhuang Town Industrial Zone, Changyuan County, Xinxiang City, Henan Province Patentee after: Henan Tieshan lifting equipment Group Co.,Ltd. Address before: 453400 Weizhuang Town Industrial Zone, Changyuan County, Xinxiang City, Henan Province Patentee before: HENAN TIESHAN LIFTING EQUIPMENT Co.,Ltd. |
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