CN106400697B - A kind of rotary type rack vertical shift driving device for Bridge Erector - Google Patents
A kind of rotary type rack vertical shift driving device for Bridge Erector Download PDFInfo
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- CN106400697B CN106400697B CN201611086839.7A CN201611086839A CN106400697B CN 106400697 B CN106400697 B CN 106400697B CN 201611086839 A CN201611086839 A CN 201611086839A CN 106400697 B CN106400697 B CN 106400697B
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- vertical shift
- bridge erector
- driving device
- change gear
- shift driving
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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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of vertical shift driving device, belong to Summarized Account of Bridge Erection Construction apparatus field, and in particular to a kind of rotary type rack vertical shift driving device for Bridge Erector.Including a support change gear system, the horn of the Bridge Erector is equipped with rack, and gear matched with the rack and the vertical shift drive component for driving the gear are provided with the hinged holder assembly being connected with the support change gear system；Also, the bottom centre position of the hinged holder assembly and the center of crossbeam are produced enough brake force, make complete machine via safer by center axis connection, the device by the engagement of rack-and-pinion；By setting wearing plate, central shaft and left-hand thread plate between support change gear system and crossbeam, the rotational restraint between upper system and cylinder, limiting displacement constraint, to adapt to the angle produced by small curve opportunity arm yaw and cylinder are discharged.
Description
Technical field
The present invention relates to a kind of vertical shift driving device, belong to Summarized Account of Bridge Erection Construction apparatus field, and in particular to one kind is used to build bridge
The rotary type rack vertical shift driving device 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.With deepening constantly for construction of railways, the construction environment in mountain terrain there is substantial amounts of Bridge-wire fusing time, together
When tunnel in be likely to occur across solution cavity section in tunnel, it is necessary in tunnel box girder erection.Bridge Erector should can be fast and convenient
Ground possesses the function of setting a roof beam in place in tunnel, this requires Bridge Erector appearance and size control in certain model again by tunnel
Enclose in value so that the mechanism structure on Bridge Erector is compact, on the premise of construction requirement is met, increases Bridge Erector to greatest extent
Space of setting a roof beam in place.
The erecting beam construction of Bridge Erector is the operation of an excessive risk, during especially as Bridge Erector vertical shift via, horn cantilever
Increasingly 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
Power is wiped to brake, it is possible to brake force deficiency occur, unstability occurs, topples suddenly.
Bridge Erector only relies on horn lower railway and the gap of support roller wheel rim is come when setting a roof beam in place on the less circuit of radius of turn
Adapt to the angle produced by small curve opportunity arm yaw with cylinder, it is most likely that occur 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 adjustment, influences construction efficiency.
The content of the invention
Easily there is brake force not with when inertia moves ahead in the Bridge Erector that the present invention mainly solves present in the prior art
Foot, occurs unstability, the technical problem toppled suddenly, there is provided a kind of rotary type rack vertical shift for Bridge Erector drives dress
Put.The device produces enough brake force, makes complete machine via safer by the engagement of rack-and-pinion.
Further object of the present invention be solve the prior art present in Bridge Erector in the less circuit restocking of radius of turn
It is stuck with horn easily to occur wheel rim during beam, produces noise, reduces service life of equipment, and horn yaw process influences construction
A kind of technical problem of efficiency, there is provided rotary type rack vertical shift driving device for Bridge Erector.The device is in support change gear
Wearing plate, central shaft and left-hand thread plate are set between system and crossbeam, discharge the rotational restraint between upper system and cylinder, agretope
Constraint is moved, to adapt to the angle produced by small curve opportunity arm yaw and cylinder.
Above-mentioned technical problem is solved by following scheme：
A kind of rotary type rack vertical shift driving device for Bridge Erector, including a support change gear system, also, also wrap
Include：
Rack, is arranged on the horn of Bridge Erector；
Gear, is engaged with the rack, is arranged on the hinged holder assembly being connected with the support change gear system and is cut with scissors
The vertical shift drive component driving set on mounting assembly；
Central shaft, its one end are 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 be relatively rotated between hinged holder assembly and crossbeam.
Optimization, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, the vertical shift driving group
Part includes：Vertical shift driving decelerating motor, sprocket wheel；The sprocket wheel is connected with the gear by axis pin；The sprocket wheel passes through chain
By vertical shift driving decelerating motor driving.
Optimization, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, the hinged holder assembly
Wearing plate is provided between crossbeam.
Optimize, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, set on the crossbeam
It is useful for limiting the left-hand thread plate of rotational angle adjusting range between the hinged holder assembly and crossbeam.
Optimization, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, the left-hand thread plate is L
Crossbeam is fixed in shape, one side end of its L-shaped, and another side is parallel with crossbeam so as to form a U-shaped groove, the hinged holder assembly
Bottom to hinged-support be embedded in the U-shaped groove.
Optimization, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, the beam of picking up the ears of horn two leads to
Change gear is crossed with change gear plate to be connected；The 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 connected the middle part is provided with oval pin hole and using latch assembly with horn.
Optimization, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, the support roller of horn bottom
The support roller being connected with support roller case is set below track；The support roller case and hinged-support member hinges.
Optimization, a kind of above-mentioned rotary type rack vertical shift driving device for Bridge Erector, support roller case both ends are set
There is directive wheel erection support, the directive wheel using horn side as track is provided with the directive wheel erection support.
Therefore, the invention has the advantages that：
(1) two-shipper arm bottom is equipped with the rack of length range.First, No. two columns 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 complete machine via safer.
(2) wearing plate, central shaft and left-hand thread plate are set between the upper system and crossbeam of support change gear and vertical shift driving, release
Put the rotational restraint between upper system and cylinder, limiting displacement constraint, to adapt to produce by small curve opportunity arm yaw and cylinder
Raw angle.
(3) vertical shift drive component is arranged between two supporting roller components, is effectively saved the laterally empty of whole driving device
Between.
(4) inside and outside pendant wheel is equipped with the same time in single horn both sides, particularly change gear plate uses steel plate system on the inside of horn
Into, while beam piece passes through space between increasing two horns, ensure cylinder via when being perfectly safe.
Brief description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the B-B sectional views of Fig. 1.
Fig. 4 is the C-C sectional views of Fig. 1.
Fig. 5 is the D-D sectional views of Fig. 1.
Fig. 6 is the E-E sectional views of Fig. 4.
In figure：
1- guide wheel assemblies；2- supporting roller components；3- change gear assemblies；4- latch assemblies；The hinged holder assemblies of 5-；6- racks；7-
Vertical shift drive component；8- crossbeams；9- left-hand thread plates；10- wearing plates；11- central shafts；12- change gears；Change gear plate on the inside of 13-；14- is hung
Wheel carrier adjustment plate；15- support roller casees；Change gear plate on the outside of 16-；17- support rollers；18- hinged-support axis pins；19- hinged-supports；20- sprocket wheels；
21- gears；22- vertical shifts drive bearing；23- vertical shifts drive bearing adjustment plate；24- guide wheel assemblies adjustment plates；25- directive wheels are pacified
Fill bearing；26- chains；27- chain tension adjustment plates；28- vertical shifts drive decelerating motor.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
Referring to Fig. 1, Bridge Erector rotary type rack vertical shift driving device of the invention includes change gear assembly 3, supporting roller component
2nd, guide wheel assemblies 1, hinged holder assembly 5, rack 6, vertical shift drive component 7, crossbeam 8 etc..
Change gear assembly 3 is connected by bolt and shear resisting board with supporting roller component 2；Guide wheel assemblies 1 are with being welded on support roller group
Directive wheel erection support 25 on part 2 is connected by bolt；The support that change gear assembly 3, guide wheel assemblies 1, supporting roller component 2 form
Change gear system is hinged by hinged-support axis pin 18 and hinged holder assembly 5；6 welding equipment of rack and horn bottom；Vertical shift drive component 7 is logical
Bolt is crossed to be connected with hinged holder assembly 5；Hinged holder assembly 5 can be relatively rotated with the wearing plate 10 installed in the top of crossbeam 8, and profit
Fixed with left-hand thread plate 9 and central shaft 11 with crossbeam 8.
Referring to Fig. 2, the change gear 12 with unilateral wheel rim by the parts such as rolling bearing, axis pin respectively with inner side change gear plate 13,
Outside change gear plate 16 assembles and is symmetrically mounted on horn two and picks up the ears on beam.Inner side change gear plate 13 is installed on the inside of two horns, is used
Steel plate is made, and beam piece passes through space between two horns of increase.Outside change gear plate 16 is installed on the outside of two horns, using thin steel
The box structure of plate welding, the middle part of outside change gear plate 16 is equipped with oval pin hole, is connected using latch assembly 4 with horn, with increase
The stability of supporting leg and horn.Connected between inner side change gear plate 13 and outside change gear plate 16 and support roller case 15 by shear resisting board and bolt
Connect, shear resisting board bears the shearing of vertical direction, and bolt bears the moment of flexure that change gear is brought；With oval bolt hole is bored on change gear plate, lead 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, is missed with the manufacture of assisting vehicle arm ear beam
Difference.
Referring to Fig. 3, the support roller 17 with unilateral wheel rim is assembled simultaneously with support roller case 15 respectively by parts such as rolling bearing, axis pins
It is symmetrically mounted on below the support roller track of horn bottom.The unilateral wheel rim of support roller 17 can do the guiding of horn vertical shift.
It is hinged by hinged-support axis pin 18 between support roller case 15 and hinged-support 19 referring to Fig. 4, to realize unilateral each change gear 12
17 stress equalization of stress equalization and each support roller.
Referring to Fig. 5, guide wheel assemblies 1 utilize bolt and 25 bolt of directive wheel erection support for being welded on 15 both ends of support roller case
It is connected；Guide wheel assemblies adjustment plate 24 is equipped between guide wheel assemblies 1 and directive wheel erection support 25, to adjust directive wheel
The gap of component 1 and horn bottom wing listrium.
Referring to Fig. 4 and Fig. 6, vertical shift driving 28 drive chain 26 of decelerating motor and sprocket wheel 20, sprocket wheel 20 is by being provided with key
Axis pin synchronization drive gear 21 and rack 6, realize driving horn vertical shift and one, No. two column itself vertical shift.Vertical shift driving is slowed down
Motor 28, sprocket wheel 20, gear 21 etc. are installed on vertical shift driving bearing 22, vertical shift driving decelerating motor 28 and vertical shift driving branch
Chain tension adjustment plate 27 is equipped between seat 22, to adjust the rate of tension of chain 26.Vertical shift drive component 7 after assembling is installed on
Between support roller case 15, to reduce the appearance and size of whole device.Vertical shift driving bearing 22 is installed on 19 bottom of hinged-support using bolt
On plate, the vertical shift driving bearing tune in adjustable rack-and-pinion gap is equipped between vertical shift driving 19 bottom plate of bearing 22 and hinged-support
Whole plate 23.
Referring to Fig. 4 and Fig. 6, wearing plate 10 is installed between hinged holder assembly 5 and crossbeam 8, to reduce hinged holder assembly 5
Frictional resistance when being rotated relative to crossbeam 8.Central shaft 11 is installed on the center of hinged holder assembly 5 and crossbeam 8, can limit hinged
More than 5 each component of holder assembly relative to crossbeam 8 translation.Left-hand thread plate 9 is bolted with crossbeam 8, when one, No. two column leaves
During the vertical shift of ground, for bearing the dead weight of cylinder.
With the above structure, when Bridge Erector is installed, horn is supported using support roller 17, is adjusted by change gear plate adjustment plate 14
The gap of change gear 12 and horn ear beam, the gap of the adjustment gear 21 of bearing adjustment plate 23 and rack 6 is driven by vertical shift.So that support
During the support horn vertical shift of wheel 17 and during 12 support cylinder vertical shift of change gear, there are enough engagement heights between gear 21 and rack 6,
Enough power can be provided.In Bridge Erector vertical shift via, the unilateral wheel rim of guide wheel assemblies 1 and support roller 17 can do horn vertical shift
Guiding, the unilateral 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 device on arm may be a small amount of asynchronous, or Bridge Erector can cause horn and column by small curve opportunity arm yaw etc.
Angle is produced between body.Hold in the palm and wearing plate, central shaft and left-hand thread plate be set between the upper system of change gear and vertical shift driving and crossbeam,
The rotational restraint between upper system and cylinder can be discharged, limiting displacement constraint, is suitable for the angle that above-mentioned reason produces so that vertical
Move past Cheng Buhui and catching phenomenon occurs, operation is more steady.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Although 1- guide wheel assemblies are used more herein；2- supporting roller components；3- change gear assemblies；4- latch assemblies；5-
Hinged holder assembly；6- racks；7- vertical shift drive components；8- crossbeams；9- left-hand thread plates；10- wearing plates；11- central shafts；12- change gears；
Change gear plate on the inside of 13-；14- change gear plate adjustment plates；15- support roller casees；Change gear plate on the outside of 16-；17- support rollers；18- hinged-support axis pins；
19- hinged-supports；20- sprocket wheels；21- gears；22- vertical shifts drive bearing；23- vertical shifts drive bearing adjustment plate；24- guide wheel assemblies
Adjustment plate；25- directive wheel erection supports；26- chains；27- chain tension adjustment plates；The terms such as 28- vertical shifts driving decelerating motor,
But it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain the present invention
Essence；Any one of the additional limitations is construed as all to disagree with spirit of the present invention.
Claims (8)
1. a kind of rotary type rack vertical shift driving device for Bridge Erector, including a support change gear system, it is characterised in that bag
Include：
Rack (6), is arranged on the horn of Bridge Erector；
Gear (21), is engaged with the rack (6), is arranged on the hinged holder assembly (5) being connected with the support change gear system
And driven by the vertical shift drive component (7) set on hinged holder assembly (5)；
Central shaft (11), its one end are arranged at the bottom centre position of hinged holder assembly (5), and the other end is arranged at crossbeam (8)
Center to relatively rotate between hinged holder assembly and crossbeam；
Wherein, gear (21) is installed on vertical shift driving bearing (22).
A kind of 2. rotary type rack vertical shift driving device for Bridge Erector according to claim 1, it is characterised in that
The vertical shift drive component (7) includes：Vertical shift driving decelerating motor (28), sprocket wheel (20)；The sprocket wheel (20) and the gear
(21) connected by axis pin；The sprocket wheel (20) drives decelerating motor (28) to drive by chain (26) by vertical shift.
A kind of 3. rotary type rack vertical shift driving device for Bridge Erector according to claim 1, it is characterised in that
Wearing plate (10) is provided between the hinged holder assembly (5) and crossbeam (8).
A kind of 4. rotary type rack vertical shift driving device for Bridge Erector according to claim 1, it is characterised in that
It is provided with the crossbeam (8) for limiting the anti-of rotational angle adjusting range between the hinged holder assembly (5) and crossbeam (8)
Buckle (9).
A kind of 5. rotary type rack vertical shift driving device for Bridge Erector according to claim 4, it is characterised in that
The left-hand thread plate (9) is L-shaped, and crossbeam (8) is fixed in one side end of its L-shaped, and another side is parallel with crossbeam (8) so as to form one
U-shaped groove, hinged holder assembly (5) bottom to the embedded U-shaped groove of hinged-support (19) in.
A kind of 6. rotary type rack vertical shift driving device for Bridge Erector according to claim 1, it is characterised in that
The beam of picking up the ears of horn two is connected by change gear (12) with change gear plate；The change gear plate is connected with support roller case (15)；Wherein, positioned at outside
Change gear plate be steel plate butt welding box structure, to be connected the middle part is provided with oval pin hole and using latch assembly (4) with horn.
A kind of 7. rotary type rack vertical shift driving device 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；The support roller case (15) and hinged-support group
Part (5) is hinged.
A kind of 8. rotary type rack vertical shift driving device for Bridge Erector according to claim 1, it is characterised in that
Support roller case (15) is provided at both ends with directive wheel erection support (25), is provided with the directive wheel erection support (25) 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 CN106400697A (en) | 2017-02-15 |
| CN106400697B true CN106400697B (en) | 2018-04-24 |
Family
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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 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012798B (en) * | 2017-05-22 | 2018-09-18 | 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 |
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| Publication number | Publication date |
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| CN106400697A (en) | 2017-02-15 |
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