CN104514200B - The rear auxiliary support apparatus of large-tonnage Bridge Erector - Google Patents
The rear auxiliary support apparatus of large-tonnage Bridge Erector Download PDFInfo
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- CN104514200B CN104514200B CN201410807062.3A CN201410807062A CN104514200B CN 104514200 B CN104514200 B CN 104514200B CN 201410807062 A CN201410807062 A CN 201410807062A CN 104514200 B CN104514200 B CN 104514200B
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- oil cylinder
- support oil
- column
- supporting leg
- bridge erector
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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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- 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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The rear auxiliary support apparatus of large-tonnage Bridge Erector, including an interior supporting leg and two outer supporting legs, interior supporting leg is supported in the middle part of the rear connection beam of crane's major girder, and two outer supporting legs are respectively supported on the left of crane's major girder and right side.Compact overall structure of the present invention, succinct, definite functions, the outer all of work of support leg mechanism of Bridge Erector can be completed, its most direct effect is: the overall weight of outer support leg mechanism greatly reduces.Reduce the manufacturing cost of outer support leg mechanism.I.e. can meet Bridge Erector feeding beam demand, disclosure satisfy that again the needs of setting a roof beam in place of Bridge Erector.Ensure that outer supporting leg also meets the Bridge Erector requirement to beam face when maximum load capacity.
Description
Technical field
The invention belongs to technical field of bridge construction, be specifically related to the rear auxiliary support apparatus of a kind of large-tonnage Bridge Erector.
Background technology
Along with China's science and technology and the development of capital construction, especially in highway and high-speed railway construction are built, various new techniques, new equipment are widely used and promote, and improve railway and the speed of application of highway and quality.
During the erection of large-tonnage highway beam, rear support device props up and stands on bridge surface, and in order to get out of the way the transport channel of beam car, erect-position will be outside the wing plate of beam, when rear lifting mechanism hanging beam, rear support device to undertake the biggest support force, how to reduce or one of the strong point just difficult point becoming erecting beam construction distributing rear support device.Only solve these construction Difficulties, just can guarantee both quality and quantity and safe completes dosage construction task.
Summary of the invention
The present invention is to solve weak point of the prior art, it is provided that the rear auxiliary support apparatus of a kind of large-tonnage Bridge Erector, this support means both can guarantee that the beam transporting passage of beam car, can guarantee that again not produce bridge surface when by maximum load capacity and destroys.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that the rear auxiliary support apparatus of large-tonnage Bridge Erector, including an interior supporting leg 2 and two outer supporting legs 1, interior supporting leg 2 is supported in the middle part of the rear connection beam 30 of crane's major girder 19, and two outer supporting legs 1 are respectively supported on the left of crane's major girder 19 and right side；
Outer supporting leg 1 includes anchorage 3, outer column 4, hanging mechanism 5, traveling roller box 6, distribution beam 7, walking rails 8, supports anchor ear 9 and outer support oil cylinder 10；Hanging mechanism 5 is symmetrical is provided with two, two hanging mechanisms 5 are respectively provided on the left of outer column 4 upper end and right side, an anchorage 3 it is equipped with on each hanging mechanism 5, traveling roller box 6 is hinged on outer column 4 lower end, before and after bottom traveling roller box 6, side is equipped with travelling wheel 17, outer support oil cylinder 10 is located at outer column 4 lower end by bolt, outer support oil cylinder 10 is vertically arranged and is positioned in the middle of walking roller box 6, outer support oil cylinder 10 lower end is fixing with distribution beam 7 to be connected, walking rails 8 is located at bottom distribution beam 7 middle and corresponding with travelling wheel about 17, distribution beam 7 bottom surface is less than travelling wheel 17 lower edge, the support anchor ear 9 between distribution beam 7 top and outer column 4 lower end it is arranged with outside outer support oil cylinder 10；
nullInterior supporting leg 2 includes inner column 11、Contact framework 12、Movable sleeve 13、Pylon 14、Electric block 15 and inner support oil cylinder 16，Inner column 11 is provided with two in left-right direction，Movable sleeve 13 is provided with two，Each movable sleeve 13 all includes the upper flat plate 20 being located at rear connection beam 30 upper surface and is located at the lower flat board 21 of rear connection beam 30 lower surface，Connected by stay-bolt 22 between upper flat plate 20 and lower flat board 21，Two inner column 11 upper ends are hinged on bottom lower flat board 21 by bearing pin 18 respectively，Contact framework 12 level is located between two inner columns 11，Pylon 14 is located on rear side of upper flat plate 20 and lower flat board 21，Electric block 15 is located on pylon 14，Electric block 15 is connected by steel wire rope 23 between in the middle part of inner column 11，Inner support oil cylinder 16 is vertically located at inner column 11 lower end，Inner support oil cylinder 16 lower end is provided with a support plate 24.
Described hanging mechanism 5 includes the installing rack 25 being located at outside outer column 4 upper end and the motor reducer 26 being located on installing rack 25, the clutch end of motor reducer 26 is connected with the hanging wheel 27 that can roll along the guide rail 28 of crane's major girder 19 bottom outside, anchorage 3 is located on installing rack, and anchorage 3 is provided with the anchor bolt 29 that be connected fixing with outside crane's major girder 19.
With the middle part of crane's major girder 19 as boundary line, the outer support oil cylinder 10 in left side and inner support oil cylinder 16 use the connected mode of series connection on high-pressure oil passage, and the outer support oil cylinder 10 on right side and inner support oil cylinder 16 use the connected mode of series connection on high-pressure oil passage.
The taper body structure that described outer column 4 is big up and small down.
Use technique scheme, combination above the outer supporting leg of the present invention and between crane's major girder uses convertible structure, after girder length is decided, the most just it is fixed up in the position of outer supporting leg, now anchorage is fixed with crane's major girder bolt, and the installing rack of anchorage with hanging mechanism is linked together, the installing rack of hanging mechanism is fixed on outside outer column, traveling roller box is hinged on outer column lower end, outer column bottom and outer support oil cylinder connect with bolt is fixing, outer support oil cylinder lower end and the fixing connection of distribution beam, walking rails is positioned at below distribution beam, it is arranged with on support cylinder outside by being positioned at the support anchor ear of distribution beam and outer column lower end to undertake support force.Set a roof beam in place operation time, outer support cylinder jacking, now distribution beam compress walking rails, outer supporting leg is supported on bridge surface, adding support anchor ear outside between support cylinder and distribution beam, during supporting leg stress, outer support oil cylinder does not stresses outside, but by supporting anchor ear, power is delivered in distribution beam.During via operation, removing the support anchor ear between outer support oil cylinder and distribution beam, pack up outer support oil cylinder, now distribution beam departs from walking rails, the travelling wheel contact walking rails on traveling roller box stress, coordinates Bridge Erector via to move ahead.When needing the distance adjusting supporting leg in the present invention and Bridge Erector, only need to unclamp the anchor bolt of anchorage, regain outer support oil cylinder, outer supporting leg is allowed to be in the state of coming to nothing and to make the hanging wheel hanging stress on the guide rail of crane's major girder bottom outside on hanging mechanism, motor reducer drives hanging wheel to run before and after guide rail, drive outer supporting leg and interior supporting leg to move, thus can adjust the distance of the present invention and middle supporting leg.The taper body structure that outer column is big up and small down, so while ensureing outer column intensity, can fully alleviate the weight of outer column, reduce production cost.
It is fixed on the rear connection beam of crane's major girder by stay-bolt between upper flat plate and the lower flat board of the movable sleeve of interior supporting leg, inner column is rotationally connected by bearing pin with the bottom of lower flat board, two inner columns pass through bolt and are connected with contacting framework two ends and fixing, and inner column lower end is provided with inner support oil cylinder.Pylon is arranged on side, movable sleeve rear, and pylon is installed electric block.Before beam car enters Bridge Erector, regain inner support oil cylinder, electric block holds inner column by steel wire rope, inner column bearing pin below movable sleeve together with contact framework and inner support oil cylinder rotates, dig rearwardly and upwardly, getting out of the way the forward channel of beam car, beam car is advanced through by between two outer columns.
The outer supporting leg of the present invention and interior supporting leg support cylinder in girder side respectively for series connection, this makes it possible to ensure that Bridge Erector inner support oil cylinder of homonymy when hanging beam is consistent with the pressure of outer support oil cylinder on hydraulic circuit.The most outside also according to certain pro rate in the distribution of the support force of supporting leg and interior supporting leg.
In sum, the present invention compared with prior art, has the advantages that
1) compact overall structure of the present invention, succinct, definite functions, the outer all of work of support leg mechanism of Bridge Erector can be completed, its most direct effect is: the overall weight of outer support leg mechanism greatly reduces.Reduce the manufacturing cost of outer support leg mechanism.
2) outer supporting leg uses and supports anchor ear, it is to avoid Bridge Erector feeding beam and during setting a roof beam in place power suffered by outer supporting leg undertaken by outer support oil cylinder, it is ensured that service life of oil cylinder.
3) interior supporting leg uses the mode dug backward, i.e. can meet Bridge Erector feeding beam demand, disclosure satisfy that again the needs of setting a roof beam in place of Bridge Erector.
4) oil circuit of the support cylinder of outer supporting leg and interior supporting leg uses and is connected in series, it is possible to the pressure in guarantee under any circumstance two support cylinders is equal.This makes it possible to ensure that outer supporting leg also meets the Bridge Erector requirement to beam face when maximum load capacity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged drawing of Fig. 1 China and foreign countries supporting leg；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is C-C sectional view in Fig. 3；
The enlarged drawing of supporting leg in Fig. 5 Fig. 1；
Fig. 6 is the left view of Fig. 5.
Detailed description of the invention
As shown in figs 1 to 6, auxiliary support apparatus after the large-tonnage Bridge Erector of the present invention, including an interior supporting leg 2 and two outer supporting legs 1, interior supporting leg 2 is supported in the middle part of the rear connection beam 30 of crane's major girder 19, and two outer supporting legs 1 are respectively supported on the left of crane's major girder 19 and right side.
Outer supporting leg 1 includes anchorage 3, outer column 4, hanging mechanism 5, traveling roller box 6, distribution beam 7, walking rails 8, supports anchor ear 9 and outer support oil cylinder 10；Hanging mechanism 5 is symmetrical is provided with two, two hanging mechanisms 5 are respectively provided on the left of outer column 4 upper end and right side, an anchorage 3 it is equipped with on each hanging mechanism 5, traveling roller box 6 is hinged on outer column 4 lower end, before and after bottom traveling roller box 6, side is equipped with travelling wheel 17, outer support oil cylinder 10 is located at outer column 4 lower end by bolt, outer support oil cylinder 10 is vertically arranged and is positioned in the middle of walking roller box 6, outer support oil cylinder 10 lower end is fixing with distribution beam 7 to be connected, walking rails 8 is located at bottom distribution beam 7 middle and corresponding with travelling wheel about 17, distribution beam 7 bottom surface is less than travelling wheel 17 lower edge, the support anchor ear 9 between distribution beam 7 top and outer column 4 lower end it is arranged with outside outer support oil cylinder 10.
nullInterior supporting leg 2 includes inner column 11、Contact framework 12、Movable sleeve 13、Pylon 14、Electric block 15 and inner support oil cylinder 16，Inner column 11 is provided with two in left-right direction，Movable sleeve 13 is provided with two，Each movable sleeve 13 all includes the upper flat plate 20 being located at rear connection beam 30 upper surface and is located at the lower flat board 21 of rear connection beam 30 lower surface，Connected by stay-bolt 22 between upper flat plate 20 and lower flat board 21，Two inner column 11 upper ends are hinged on bottom lower flat board 21 by bearing pin 18 respectively，Contact framework 12 level is located between two inner columns 11，Pylon 14 is located on rear side of upper flat plate 20 and lower flat board 21，Electric block 15 is located on pylon 14，Electric block 15 is connected by steel wire rope 23 between in the middle part of inner column 11，Inner support oil cylinder 16 is vertically located at inner column 11 lower end，Inner support oil cylinder 16 lower end is provided with a support plate 24.
Described hanging mechanism 5 includes the installing rack 25 being located at outside outer column 4 upper end and the motor reducer 26 being located on installing rack 25, the clutch end of motor reducer 26 is connected with the hanging wheel 27 that can roll along the guide rail 28 of crane's major girder 19 bottom outside, anchorage 3 is located on installing rack, and anchorage 3 is provided with the anchor bolt 29 that be connected fixing with outside crane's major girder 19.
With the middle part of crane's major girder 19 as boundary line, the outer support oil cylinder 10 in left side and inner support oil cylinder 16 use the connected mode of series connection on high-pressure oil passage, and the outer support oil cylinder 10 on right side and inner support oil cylinder 16 use the connected mode of series connection on high-pressure oil passage.
The taper body structure that outer column 4 is big up and small down.
The combination above and between crane's major girder 19 of the outer supporting leg 1 of the present invention uses convertible structure, after girder 19 length is decided, the most just it is fixed up in the position of outer supporting leg 1, now anchorage 3 is fixed with bolt with crane's major girder 19, and the installing rack 25 of anchorage 3 with hanging mechanism is linked together, the installing rack 25 of hanging mechanism is fixed on outside outer column 4, traveling roller box 6 is hinged on outer column 4 lower end, outer column 4 bottom and outer support oil cylinder 10 connect with bolt is fixing, outer support oil cylinder 10 lower end and the fixing connection of distribution beam 7, walking rails 8 is positioned at below distribution beam 7, it is arranged with on support cylinder 10 outside by being positioned at the support anchor ear 9 of distribution beam 7 and outer column 4 lower end to undertake support force.Set a roof beam in place operation time, outer support oil cylinder 10 jacking, now distribution beam 7 compresses walking rails 8, outer supporting leg 1 is supported on bridge 31 surface, support anchor ear 9 is added outside between support cylinder 10 and distribution beam 7, during supporting leg 1 stress, outer support oil cylinder 10 does not stresses outside, but is delivered in distribution beam 7 by supporting 9 power of anchor ear.During via operation, removing the support anchor ear 9 between outer support oil cylinder 10 and distribution beam 7, pack up outer support oil cylinder 10, now distribution beam 7 departs from walking rails 8, and the travelling wheel 17 on traveling roller box 6 contacts walking rails 8 stress, coordinates Bridge Erector via to move ahead.When needing the distance adjusting supporting leg in the present invention and Bridge Erector, only need to unclamp the anchor bolt 29 of anchorage 3, regain outer support oil cylinder 10, outer supporting leg 1 is allowed to be in the state of coming to nothing and to make the hanging wheel 27 hanging stress on the guide rail 28 of crane's major girder 19 bottom outside on hanging mechanism, motor reducer 26 drives hanging wheel 27 to run before and after guide rail 28, drive outer supporting leg 1 and interior supporting leg 2 to move, thus can adjust the distance of the present invention and middle supporting leg.The taper body structure that outer column 4 is big up and small down, so while ensureing outer column semi-finals degree, can fully alleviate the weight of outer column 4, reduce production cost.
It is fixed on the rear connection beam 30 of crane's major girder 19 by stay-bolt 22 between upper flat plate 20 and the lower flat board 21 of the movable sleeve 13 of interior supporting leg 2, inner column 11 is rotationally connected by bearing pin 18 with the bottom of lower flat board 21, two inner columns 11 pass through bolt and are connected with contacting framework 12 two ends and fixing, and inner column 11 lower end is provided with inner support oil cylinder 16.Pylon 14 is arranged on side, movable sleeve 13 rear, and pylon 14 is installed electric block 15.Before beam car enters Bridge Erector, regain inner support oil cylinder 16, electric block 15 holds inner column 11 by steel wire rope 23, inner column 11 bearing pin 18 below movable sleeve 13 together with contact framework 30 and inner support oil cylinder 16 rotates, dig rearwardly and upwardly, getting out of the way the forward channel of beam car, beam car is advanced through by between two outer columns 4.
The outer supporting leg 1 of the present invention and interior supporting leg 2 support cylinder in girder 19 side respectively for series connection, this makes it possible to ensure that Bridge Erector inner support oil cylinder 16 of homonymy when hanging beam is consistent with the pressure of outer support oil cylinder 10 on hydraulic circuit.The most outside also according to certain pro rate in the distribution of the support force of supporting leg 1 and interior supporting leg 2.
Above example is only in order to illustrative not limiting technical scheme, although the present invention being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still the present invention can be modified or equivalent, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (4)
1. the rear auxiliary support apparatus of large-tonnage Bridge Erector, it is characterized in that: include an interior supporting leg (2) and two outer supporting legs (1), interior supporting leg (2) is supported on rear connection beam (30) middle part of crane's major girder (19), and two outer supporting legs (1) are respectively supported at crane's major girder (19) left side and right side；
Outer supporting leg (1) includes anchorage (3), outer column (4), hanging mechanism (5), traveling roller box (6), distribution beam (7), walking rails (8), supports anchor ear (9) and outer support oil cylinder (10)；nullHanging mechanism (5) is symmetrical is provided with two，Two hanging mechanisms (5) are respectively provided on the left of outer column (4) upper end and right side，An anchorage (3) it is equipped with on each hanging mechanism (5)，Traveling roller box (6) is hinged on outer column (4) lower end，Before and after traveling roller box (6) bottom, side is equipped with travelling wheel (17)，Outer support oil cylinder (10) is located at outer column (4) lower end by bolt，Outer support oil cylinder (10) is vertically arranged and is positioned in the middle of walking roller box (6)，Outer support oil cylinder (10) lower end is fixing with distribution beam (7) to be connected，It is middle and the most corresponding with travelling wheel (17) that walking rails (8) is located at distribution beam (7) bottom，Distribution beam (7) bottom surface is less than travelling wheel (17) lower edge，The support anchor ear (9) being positioned between distribution beam (7) top and outer column (4) lower end it is arranged with outside outer support oil cylinder (10)；
nullInterior supporting leg (2) includes inner column (11)、Contact framework (12)、Movable sleeve (13)、Pylon (14)、Electric block (15) and inner support oil cylinder (16)，Inner column (11) is provided with two in left-right direction，Movable sleeve (13) is provided with two，Each movable sleeve (13) all includes the upper flat plate (20) being located at rear connection beam (30) upper surface and is located at the lower flat board (21) of rear connection beam (30) lower surface，Connected by stay-bolt (22) between upper flat plate (20) and lower flat board (21)，Two inner column (11) upper ends are hinged on lower flat board (21) bottom by bearing pin (18) respectively，Contact framework (12) level is located between two inner columns (11)，Pylon (14) is located at upper flat plate (20) and lower flat board (21) rear side，Electric block (15) is located on pylon (14)，It is connected by steel wire rope (23) between electric block (15) with inner column (11) middle part，Inner support oil cylinder (16) is vertically located at inner column (11) lower end，Inner support oil cylinder (16) lower end is provided with a support plate (24).
The rear auxiliary support apparatus of large-tonnage Bridge Erector the most according to claim 1, it is characterized in that: described hanging mechanism (5) includes the installing rack (25) being located at outside outer column (4) upper end and the motor reducer (26) being located on installing rack (25), the clutch end of motor reducer (26) is connected with hanging wheel (27) that can roll along the guide rail (28) of crane's major girder (19) bottom outside, anchorage (3) is located on installing rack, and anchorage (3) is provided with the anchor bolt (29) that be connected fixing with crane's major girder (19) outside.
The rear auxiliary support apparatus of large-tonnage Bridge Erector the most according to claim 1 and 2, it is characterized in that: with the middle part of crane's major girder (19) as boundary line, the outer support oil cylinder (10) in left side and inner support oil cylinder (16) use the connected mode of series connection on high-pressure oil passage, and the outer support oil cylinder (10) on right side and inner support oil cylinder (16) use the connected mode of series connection on high-pressure oil passage.
The rear auxiliary support apparatus of large-tonnage Bridge Erector the most according to claim 1 and 2, it is characterised in that: the taper body structure that described outer column (4) is big up and small down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807062.3A CN104514200B (en) | 2014-12-23 | 2014-12-23 | The rear auxiliary support apparatus of large-tonnage Bridge Erector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807062.3A CN104514200B (en) | 2014-12-23 | 2014-12-23 | The rear auxiliary support apparatus of large-tonnage Bridge Erector |
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| Publication Number | Publication Date |
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| CN104514200A CN104514200A (en) | 2015-04-15 |
| CN104514200B true CN104514200B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410807062.3A Active CN104514200B (en) | 2014-12-23 | 2014-12-23 | The rear auxiliary support apparatus of large-tonnage Bridge Erector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835999B (en) * | 2017-03-31 | 2020-02-21 | 秦皇岛天业通联重工科技有限公司 | Rear supporting leg device of bridge girder erection machine |
| CN109778705B (en) * | 2019-02-28 | 2020-10-27 | 山东瑞鸿重工机械有限公司 | Bridge erecting machine with reinforcing and rainproof functions for bridge construction |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3113563B2 (en) * | 1995-12-04 | 2000-12-04 | 神鋼鋼線工業株式会社 | Building connection device |
| JPH09316829A (en) * | 1996-05-27 | 1997-12-09 | Ishikawajima Constr Materials Co Ltd | Floor plate removing device |
| CN102720132A (en) * | 2011-03-31 | 2012-10-10 | 江苏恩纳斯重工机械有限公司 | Bridge erecting machine capable of side surface beam feeding |
| CN202023155U (en) * | 2011-03-31 | 2011-11-02 | 江苏恩纳斯重工机械有限公司 | Bridge erecting machine capable of feeding beam at side |
| CN202390772U (en) * | 2011-12-28 | 2012-08-22 | 郑州新大方重工科技有限公司 | Rear supporting leg device suitable for road and railway bridge erecting machine |
| CN202688900U (en) * | 2012-08-22 | 2013-01-23 | 吴立新 | Telescopic bridging machine |
| CN204356659U (en) * | 2014-12-23 | 2015-05-27 | 郑州新大方重工科技有限公司 | The rear auxiliary support apparatus of novel large-tonnage Bridge Erector |
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