CN106400697A - Rotatable rack longitudinal movement driving device for bridge erecting machine - Google Patents
Rotatable rack longitudinal movement driving device for bridge erecting machine Download PDFInfo
- Publication number
- CN106400697A CN106400697A CN201611086839.7A CN201611086839A CN106400697A CN 106400697 A CN106400697 A CN 106400697A CN 201611086839 A CN201611086839 A CN 201611086839A CN 106400697 A CN106400697 A CN 106400697A
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- China
- Prior art keywords
- vertical shift
- tooth bar
- bridge erector
- change gear
- support
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Classifications
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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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a longitudinal movement driving device, in particular to a rotatable rack longitudinal movement driving device for a bridge erecting machine, and belongs to the field of bridge erecting construction equipment. The rotatable rack longitudinal movement driving device comprises a supporting and hanging gear system; a machine arm of the bridge erecting machine is provided with a rack; a hinged support assembly connected with the supporting and hanging gear system is provided with gears matched with the rack and a longitudinal movement driving assembly used for driving the gears; and in addition, the center position of the bottom of the hinged support assembly is connected with the center position of a transverse beam through a center shaft. According to the rotatable rack longitudinal movement driving device for the bridge erecting machine, enough braking force is generated through engagement of the gears and the rack, so that the whole machine can pass a hole more safely; by arranging an abrasion reduction plate, the center shaft and a reverse buckle plate between the supporting and hanging gear system and the transverse beam, rotating constraint between an upper system and a column body is relieved, and displacement constraint is limited so that the rotatable rack longitudinal movement driving device can adapt to the included angle formed between a swing head of the machine arm and the column body when the bridge erecting machine passes through a small curve.
Description
Technical field
The present invention relates to a kind of vertical shift driving means, belong to Summarized Account of Bridge Erection Construction apparatus field and in particular to one kind is used for building bridge
The rotary type tooth bar vertical shift driving means of machine.
Background technology
In China, railway and highway construction are in peak period, and Bridge Erector has very in railway and highway bridge construction
It is widely applied.Deepening constantly with construction of railways, has the construction environment of substantial amounts of Bridge-wire fusing time in mountain terrain, with
When tunnel in be likely to occur leap tunnel in solution cavity section, need in tunnel box girder erection.Bridge Erector should be fast and convenient
Ground passes through tunnel, possesses the function of setting a roof beam in place in tunnel again, this requires that Bridge Erector controls overall dimensions in certain model
Enclose in value so that the mechanism structure on Bridge Erector is compact, on the premise of meeting construction requirement, increase Bridge Erector to greatest extent
Space of setting a roof beam in place.
The erecting beam construction of Bridge Erector is a high risk operation, during especially as Bridge Erector vertical shift via, horn cantilever
More and more longer, amount of deflection is also just increasing, and Bridge Erector moves ahead with inertia, and existing equipment usually relies on rubbing between horn and support roller
To brake it is possible to brake force deficiency, there is unstability, topple suddenly in wiping power.
When Bridge Erector is set a roof beam in place on the less circuit of radius of turn, the gap only relying on horn lower railway with support roller wheel rim is come
Adapt to the angle producing by horn yaw during little curve with cylinder it is most likely that occurring that wheel rim is stuck with horn, generation is made an uproar
Sound, is unfavorable for the service life of support roller, and the whole process of horn yaw needs repeatedly to adjust, and affects efficiency of construction.
Content of the invention
Easily brake force not when moving ahead with inertia in the Bridge Erector that the present invention is mainly existing for solution prior art
, there is unstability, the technical problem toppled suddenly in foot, there is provided a kind of rotary type tooth bar vertical shift for Bridge Erector drives dress
Put.The engagement by rack-and-pinion for this device, produces enough brake force, makes whole machine via safer.
Further object of the present invention is that the Bridge Erector solving existing for prior art is added in the less circuit of radius of turn
Wheel rim easily occurs stuck with horn during beam, produce noise, reduce service life of equipment, and the construction of horn yaw process influence
A kind of technical problem of efficiency, there is provided rotary type tooth bar vertical shift driving means for Bridge Erector.This device is in support change gear
Setting wearing plate, central shaft and left-hand thread plate, the rotational restraint between release upper system and cylinder, agretope between system and crossbeam
Move constraint, to adapt to the angle producing by horn yaw during little curve with cylinder.
Above-mentioned technical problem is solved by below scheme：
A kind of rotary type tooth bar vertical shift driving means for Bridge Erector, including a support change gear system, and, also wrap
Include：
Tooth bar, is arranged on the horn of Bridge Erector；
Gear, is matched with described tooth bar, is arranged on the hinged holder assembly being connected with described support change gear system and is cut with scissors
On mounting assembly, the vertical shift drive component of setting drives；
Central shaft, its one end is arranged at the bottom centre position of hinged holder assembly, and the other end is arranged at the centre bit of crossbeam
Put so that can relatively rotate between hinged holder assembly and crossbeam.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, described vertical shift driving group
Part includes：Vertical shift drives reducing motor, sprocket wheel；Described sprocket wheel is connected by bearing pin with described gear；Described sprocket wheel passes through chain
Reducing motor is driven to drive by vertical shift.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, described hinged holder assembly
It is provided with wearing plate and crossbeam between.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, described crossbeam is arranged
There is the left-hand thread plate for limiting rotational angle adjusting range between described hinged holder assembly and crossbeam.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, described left-hand thread plate is L
Shape, crossbeam is fixed in the end of its L-shaped, another side parallel with crossbeam thus forming a U-shaped groove, described hinged holder assembly
Bottom to hinged-support embed in this U-shaped groove.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, horn two beam of picking up the ears leads to
Cross change gear to be connected with change gear plate；Described change gear plate is connected with support roller case；Wherein, the change gear plate positioned at outside is the case of steel plate butt welding
Shape structure, is provided with oval pin-and-hole and is connected with horn using latch assembly in the middle part of it.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, the support roller of horn bottom
The support roller being connected with support roller case is set below track；Described support roller case and hinged-support member hinges.
Optimize, a kind of above-mentioned rotary type tooth bar vertical shift driving means for Bridge Erector, support roller case two ends are arranged
There is directive wheel erection support, described directive wheel erection support is provided with the directive wheel with horn side as track.
Therefore, the invention has the advantages that：
(1) two-shipper arm bottom is provided with the tooth bar of length range.First, No. two posts respectively install a set of sprocket wheel chain, rack-and-pinion
Horn drive system, by the engagement of rack-and-pinion, produce enough brake force, make whole machine via safer.
(2) setting wearing plate, central shaft and left-hand thread plate between the upper system that support change gear and vertical shift drive and crossbeam, release
Put the rotational restraint between upper system and cylinder, limiting displacement constrains, to adapt to produce with cylinder by horn yaw during little curve
Raw angle.
(3) vertical shift drive component is arranged between two supporting roller components, is effectively saved the horizontal sky of whole driving means
Between.
(4) it is simultaneously provided with inside and outside pendant wheel in single horn both sides, particularly inside horn, change gear plate adopts steel plate system
Become, it is ensured that being perfectly safe during cylinder via while increasing that between two horns, beam piece passes through space.
Brief description
Fig. 1 is the front view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is the D-D sectional view of Fig. 1.
Fig. 6 is the E-E sectional view of Fig. 4.
In figure：
1- guide wheel assemblies；2- supporting roller component；3- change gear assembly；4- latch assembly；The hinged holder assembly of 5-；6- tooth bar；7-
Vertical shift drive component；8- crossbeam；9- left-hand thread plate；10- wearing plate；11- central shaft；12- change gear；Change gear plate inside 13-；14- hangs
Wheel carrier adjustment plate；15- support roller case；Change gear plate outside 16-；17- support roller；18- hinged-support bearing pin；19- hinged-support；20- sprocket wheel；
21- gear；22- vertical shift drives bearing；23- vertical shift drives bearing adjustment plate；24- guide wheel assemblies adjustment plate；25- directive wheel is pacified
Dress bearing；26- chain；27- chain tension adjustment plate；28- vertical shift drives reducing motor.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment：
Referring to Fig. 1, the Bridge Erector rotary type tooth bar vertical shift driving means of the present invention include change gear assembly 3, supporting roller component
2nd, guide wheel assemblies 1, hinged holder assembly 5, tooth bar 6, vertical shift drive component 7, crossbeam 8 etc..
Change gear assembly 3 is connected with supporting roller component 2 with shear resisting board by bolt；Guide wheel assemblies 1 be welded on support roller group
Directive wheel erection support 25 on part 2 is connected by bolt；Change gear assembly 3, guide wheel assemblies 1, the support of supporting roller component 2 composition
It is hinged with hinged holder assembly 5 that change gear system passes through hinged-support bearing pin 18；Tooth bar 6 welding equipment and horn bottom；Vertical shift drive component 7 leads to
Cross bolt to be connected with hinged holder assembly 5；Hinged holder assembly 5 can relatively rotate with the wearing plate 10 being arranged on crossbeam 8 top, and profit
Fixing with crossbeam 8 with left-hand thread plate 9 and central shaft 11.
Referring to Fig. 2, the change gear 12 with monolateral wheel rim pass through the part such as rolling bearing, bearing pin respectively with inner side change gear plate 13,
Outside change gear plate 16 assembles and is symmetrically mounted on horn two picks up the ears on beam.Inner side change gear plate 13 is arranged on inside two horns, adopts
Steel plate is made, with increase beam piece between two horns by space.Outside change gear plate 16 is arranged on outside two horns, using thin steel
The box structure of plate welding, is provided with oval pin-and-hole in the middle part of outside change gear plate 16, be connected with horn using latch assembly 4, to increase
Supporting leg and the stability of horn.Connected by shear resisting board and bolt between inner side change gear plate 13 and outside change gear plate 16 and support roller case 15
Connect, shear resisting board bears the shearing of vertical direction, bolt bears the moment of flexure that change gear brings；Brill oval bolt hole is joined on change gear plate, leads to
Cross and be located at change gear plate adjustment plate 14 between shear resisting board, the gap of adjustment change gear 12 and horn ear beam, with the manufacture of assisting vehicle arm ear beam by mistake
Difference.
Referring to Fig. 3, the support roller 17 with monolateral wheel rim is assembled simultaneously with support roller case 15 respectively by the part such as rolling bearing, bearing pin
It is symmetrically mounted on below the support roller track of horn bottom.The monolateral wheel rim of support roller 17 can do the guiding of horn vertical shift.
Referring to Fig. 4, pass through hinged-support bearing pin 18 between support roller case 15 and hinged-support 19 hinged, to realize each change gear 12 unilateral
Stress equalization and each support roller 17 stress equalization.
Referring to Fig. 5, guide wheel assemblies 1 are using bolt and directive wheel erection support 25 bolt being welded on support roller case 15 two ends
It is connected；It is provided with guide wheel assemblies adjustment plate 24, in order to adjust directive wheel between guide wheel assemblies 1 and directive wheel erection support 25
Assembly 1 and the gap of horn bottom wing listrium.
Referring to Fig. 4 and Fig. 6, vertical shift drives reducing motor 28 drive chain 26 and sprocket wheel 20, and sprocket wheel 20 is by being provided with key
Bearing pin synchronization driving gear 21 and tooth bar 6, realize driving horn vertical shift and one, No. two post itself vertical shifts.Vertical shift drives slows down
Motor 28, sprocket wheel 20, gear 21 etc. are installed in vertical shift and drive on bearing 22, and vertical shift is driven reducing motor 28 to be driven with vertical shift and props up
It is provided with chain tension adjustment plate 27, to adjust the rate of tension of chain 26 between seat 22.Vertical shift drive component 7 after assembling is installed on
Between support roller case 15, to reduce the overall dimensions of whole device.Vertical shift drives bearing 22 to be arranged on hinged-support 19 bottom using bolt
On plate, vertical shift drives the vertical shift being provided with adjustable rack-and-pinion gap between bearing 22 and hinged-support 19 base plate to drive bearing to adjust
Imposite 23.
Referring to Fig. 4 and Fig. 6, wearing plate 10 is arranged between hinged holder assembly 5 and crossbeam 8, in order to reduce hinged holder assembly 5
Frictional resistance when rotating with respect to crossbeam 8.Central shaft 11 is arranged on the center of hinged holder assembly 5 and crossbeam 8, can limit hinged
The each assembly of holder assembly more than 5 is with respect to the translation of crossbeam 8.Left-hand thread plate 9 is bolted with crossbeam 8, when one, No. two posts leave
During the vertical shift of ground, for bearing the deadweight of cylinder.
After said structure, when Bridge Erector is installed, supports horn using support roller 17, adjusted by change gear plate adjustment plate 14
Change gear 12 and the gap of horn ear beam, drive bearing adjustment plate 23 to adjust the gap of gear 21 and tooth bar 6 by vertical shift.So that support
Wheel 17 supports during horn vertical shift and during change gear 12 support cylinder vertical shift, all has enough engagement height, all between gear 21 and tooth bar 6
Enough power can be provided.In Bridge Erector vertical shift via, the monolateral wheel rim of guide wheel assemblies 1 and support roller 17 can do horn vertical shift
Guiding, the monolateral wheel rim of guide wheel assemblies 1 and change gear 12 can do the guiding of cylinder vertical shift.During Bridge Erector vertical shift, two machines
Vertical shift driving means on arm may be asynchronous on a small quantity, or Bridge Erector passes through horn yaw etc. during little curve and can cause horn and post
Angle is produced between body.Setting wearing plate, central shaft and left-hand thread plate between the upper system of support change gear and vertical shift driving and crossbeam,
The rotational restraint between upper system and cylinder can be discharged, limiting displacement constrains, the angle being suitable for above-mentioned reason generation is so that indulge
Move past Cheng Buhui and catching phenomenon occurs, run more steady.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Although more employing 1- guide wheel assemblies herein；2- supporting roller component；3- change gear assembly；4- latch assembly；5-
Hinged holder assembly；6- tooth bar；7- vertical shift drive component；8- crossbeam；9- left-hand thread plate；10- wearing plate；11- central shaft；12- change gear；
Change gear plate inside 13-；14- change gear plate adjustment plate；15- support roller case；Change gear plate outside 16-；17- support roller；18- hinged-support bearing pin；
19- hinged-support；20- sprocket wheel；21- gear；22- vertical shift drives bearing；23- vertical shift drives bearing adjustment plate；24- guide wheel assemblies
Adjustment plate；25- directive wheel erection support；26- chain；27- chain tension adjustment plate；28- vertical shift drives the terms such as reducing motor,
But it is not precluded from the probability using other terms.It is used for the purpose of more easily describing and explaining the present invention using these terms
Essence；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (8)
1. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector, including a support change gear system it is characterised in that wrapping
Include：
Tooth bar (6), is arranged on the horn of Bridge Erector；
Gear (21), is matched with described tooth bar (6), is arranged on the hinged holder assembly (5) being connected with described support change gear system
And driven by the vertical shift drive component (7) of the upper setting of hinged holder assembly (5)；
Central shaft (21), its one end is arranged at the bottom centre position of hinged holder assembly (5), and the other end is arranged at crossbeam (8)
Center makes can relatively rotate between hinged holder assembly and crossbeam.
2. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 1 it is characterised in that
Described vertical shift drive component (7) includes：Vertical shift drives reducing motor (28), sprocket wheel (20)；Described sprocket wheel (20) and described gear
(21) connected by bearing pin；Described sprocket wheel (20) is driven reducing motor (28) to drive by chain (26) by vertical shift.
3. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 1 it is characterised in that
It is provided with wearing plate (10) between described hinged holder assembly (5) and crossbeam (8).
4. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 1 it is characterised in that
It is provided with described crossbeam (8) for limiting the anti-of rotational angle adjusting range between described hinged holder assembly (5) and crossbeam (8)
Buckle (9).
5. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 4 it is characterised in that
Described left-hand thread plate (9) is L-shaped, and the end of its L-shaped is fixed on crossbeam (8), another side parallel with crossbeam (8) thus forming one
U-shaped groove, described hinged holder assembly (5) bottom to hinged-support (19) embed this U-shaped groove in.
6. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 1 it is characterised in that
Horn two beam of picking up the ears is connected with change gear plate by change gear (12)；Described change gear plate is connected with support roller case (15)；Wherein, positioned at outside
Change gear plate be steel plate butt welding box structure, be provided with oval pin-and-hole in the middle part of it and be connected with horn using latch assembly (4).
7. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 1 it is characterised in that
The support roller (17) being connected with support roller case (15) is set below the support roller track of horn bottom；Described support roller case (15) and hinged-support group
Part (5) is hinged.
8. a kind of rotary type tooth bar vertical shift driving means for Bridge Erector according to claim 1 it is characterised in that
Support roller case (15) two ends are provided with directive wheel erection support (25), and described directive wheel erection support (25) is provided with horn side
Face is the directive wheel (1) of track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086839.7A CN106400697B (en) | 2016-12-01 | 2016-12-01 | A kind of rotary type rack vertical shift driving device for Bridge Erector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086839.7A CN106400697B (en) | 2016-12-01 | 2016-12-01 | A kind of rotary type rack vertical shift driving device for Bridge Erector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106400697A true CN106400697A (en) | 2017-02-15 |
| CN106400697B CN106400697B (en) | 2018-04-24 |
Family
ID=58084631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086839.7A Active CN106400697B (en) | 2016-12-01 | 2016-12-01 | A kind of rotary type rack vertical shift driving device for Bridge Erector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106400697B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012798A (en) * | 2017-05-22 | 2017-08-04 | 中铁工程机械研究设计院有限公司 | A kind of Bridge Erector supporting leg stand under load equalising control device and method |
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| CN201459607U (en) * | 2009-07-10 | 2010-05-12 | 邯郸中铁桥梁机械有限公司 | Gear rack transmission mechanism of single guide girder bridge erecting machine |
| CN102102317A (en) * | 2009-12-22 | 2011-06-22 | 中铁科工集团有限公司 | Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam |
| JP2012202076A (en) * | 2011-03-24 | 2012-10-22 | Toda Constr Co Ltd | Construction device of overhead viaduct and construction method of overhead viaduct |
| CN203255879U (en) * | 2013-05-07 | 2013-10-30 | 徐州徐工铁路装备有限公司 | Longitudinal movement drive mechanism for crown block of railway bridge erecting machine |
| CN206385462U (en) * | 2016-12-01 | 2017-08-08 | 中铁工程机械研究设计院有限公司 | A kind of rotary type rack vertical shift drive device for Bridge Erector |
-
2016
- 2016-12-01 CN CN201611086839.7A patent/CN106400697B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201459607U (en) * | 2009-07-10 | 2010-05-12 | 邯郸中铁桥梁机械有限公司 | Gear rack transmission mechanism of single guide girder bridge erecting machine |
| CN102102317A (en) * | 2009-12-22 | 2011-06-22 | 中铁科工集团有限公司 | Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam |
| JP2012202076A (en) * | 2011-03-24 | 2012-10-22 | Toda Constr Co Ltd | Construction device of overhead viaduct and construction method of overhead viaduct |
| CN203255879U (en) * | 2013-05-07 | 2013-10-30 | 徐州徐工铁路装备有限公司 | Longitudinal movement drive mechanism for crown block of railway bridge erecting machine |
| CN206385462U (en) * | 2016-12-01 | 2017-08-08 | 中铁工程机械研究设计院有限公司 | A kind of rotary type rack vertical shift drive device for Bridge Erector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012798A (en) * | 2017-05-22 | 2017-08-04 | 中铁工程机械研究设计院有限公司 | A kind of Bridge Erector supporting leg stand under load equalising control device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106400697B (en) | 2018-04-24 |
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