CN106368089B - Tramcar track with small-radius curve is laid and the construction method of line type control - Google Patents
Tramcar track with small-radius curve is laid and the construction method of line type control Download PDFInfo
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- CN106368089B CN106368089B CN201510432602.9A CN201510432602A CN106368089B CN 106368089 B CN106368089 B CN 106368089B CN 201510432602 A CN201510432602 A CN 201510432602A CN 106368089 B CN106368089 B CN 106368089B
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Abstract
The invention discloses a kind of streetcar track laying construction technology, the construction method of tramcar track with small-radius curve of the invention laying and line type control includes：Preparation of construction；Surveying and locating；Long rail traction；Long rail guided bend；Long rail is fixed temporarily；Rail row supporting；Fastener is assembled；The steps such as track accurate adjustment.This construction method is welded into long rail using standard rail, the rail tongsrail clamp collocation long rail of elevator machine travel is recycled to position to be laid, and lay fixed pulley and leading block in the target location of rail, corresponding interim fixed, arrangement of the long rail of last accurate adjustment completion in design attitude is carried out while long rail is drawn；The long rail bending disposal molding of the construction method, using the distraction procedure of fixed pulley and leading block, the smoother property at deflection of rail position is ensure that, and construction tool is rail construction common tool, construction cost is low, efficiency of construction is high, to the destructive small of rail.
Description
Technical field
The present invention relates to streetcar track laying construction field, more particularly to a kind of tramcar track with small-radius curve
Laying and the construction method of line type control.
Background technology
Eurocities tramcar development at present is in rank first, and its construction degree is substantially at saturation state,
At present mainly to run based on maintenance.Modern domestic tramcar is started late, mainly using Dalian, Shenyang tramcar as early stage
Representing, modern tram is mainly characterized by circuit along urban road traveling, and curve radius of turn is smaller at intersection,
According to《Metro design code》It is just sharp radius curve when sweep is less than 350m, and the bending radius of general railroad track
Both greater than 400m, track with small-radius curve bring difficulty to the track laying of tramcar.
Rail pre-bending, is mainly molded by track with small-radius curve laying technology both at home and abroad at present using rail strai-ghtener, then by steel
Rail is laid in place.But the construction method major defect：
1. operating personnel use the unstability of rail strai-ghtener, cause it cannot be guaranteed that the definite value of bending；
2. rail strai-ghtener is puted forth effort when carrying out bending rail for 3 points, there is obvious shape at impetus after the completion of bending
Become and can not recover；
3. rail strai-ghtener bends rail every time, it is required for carrying out parameter regulation, hydraulic pressure force, continues the processes such as pressurize, process
Operation requires high and less efficient.
In order to overcome disadvantage mentioned above, it is highly desirable to lead with reference to minor radius location construction precision height, crossing and change off-period
The features such as short, a kind of urban tram minor radius track laying and line type control construction method are developed, fully ensure that track song
The smoother property of line, and adapt to the nervous construction period.
The content of the invention
It is an object of the invention to overcome the track of tramcar in the prior art mainly to be adopted when road junction is laid
Rail pre-bending is molded with rail strai-ghtener, it is impossible to ensure the definite value of curved in tracks, can leave obvious shape in track impetus
Become and can not recover, multi-process handling the low deficiency of efficiency, there is provided a kind of tramcar track with small-radius curve laying and line
The construction method of type control, the construction method efficiency of construction is high, rail curve disposal molding, and curved in tracks position curvilinear circular is suitable
Spend splendid.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
Tramcar track with small-radius curve is laid and the construction method of line type control, comprises the following steps：
（1）Preparation of construction：Before laying construction, carry out cross oral sex admittance to be laid a railway track and change and enclose temporarily the measure of keeping away, long rail
Welding is completed and ensures that joint flaw detection is up-to-standard, and the long rail is welded using more standard rail, the long steel being welded into
Rail length is the rail length that whole right-angled intersection bending section needs, and welding quality is with reference to TB/T1632.2-2014《Rail
Weld part 2：Flash Butt Welding》Standard requirement, i.e., welding position remains to meet rail when long rail is constructed and bent and after bending
Use intensity；The standard rail length in current China is 12.5m and two kinds of 25m, and 25m is used for extra-heavy duty type, heavy rail
Standard-length rail, using more standard rail be welded into 100m gapless lines carry out streetcar track laying；
（2）Surveying and locating：Substrate surface debris is removed, is set every 15-25m surveys and marks track laying wire center to control
Point, determine track laying line midline, it is ensured that deviation is no more than 2mm；Disjunction mark control point, the disjunction mark control are set on the inside of railway roadbed
System point sets one per 4-7m；
（3）Long rail traction：Rail tongsrail clamp collocation steel wire rope is constructed with the method for elevator machine travel, and the rail tongsrail clamp is consolidated
Long rail termination is scheduled on, connects the steel wire rope of rail tongsrail clamp and hoist engine after fixation；Fixed pulley is arranged on benchmark control point,
By on rope traction to fixed pulley, after stable connection to be confirmed, at the uniform velocity drawn using hoist engine, long rail is drawn to target position
Put；
（4）Long rail guided bend：Control the bending line style of long rail：Outside spacers are installed in long rail curved section target location
At least two leading blocks, line slip route guidance is entered to long rail with leading block combination elevator machine travel；Long rail is drawn to
Behind position, transverse curvature traction is carried out to long rail with chain block, rail towing is moved on into design attitude, deviation control with reference to measurement data
System is in the range of 2cm；
（5）Long rail is fixed temporarily：The interim fixation of long rail and step（3）Long rail traction and step（4）Long rail guided bend is same
Shi Jinhang, often draw long rail one section are carried out accordingly fixing temporarily in place, until long rail string is all dragged in place, utilized immediately
The fastener being cast on railway roadbed is locked the both ends of long rail；
（6）Rail row supporting：Long rail is temporarily fixed by after preliminary latch, and multiple rail brace frames are installed along long rail length direction
Long rail is supported and adjusts long rail height, tightening corresponding fixing bolt ensures that support is firm；According to design requirement in length
Installation insulation gauge tie-rod in interval on the curved section of rail, to adjust and fix the spacing of long rail；
（7）Fastener is assembled：Outside is provided with rail tramway dedicated fastener in the sweep section of long rail；
（8）Track accurate adjustment：After the section of track is preliminary in place, according to circuit disjunction mark, using track forces, square and pass through rail brace
Frame adjustment section of track height, carries out repetition measurement to track condition with track detection car and is modified, until retest-ok.
During concrete operations, step（2）Disjunction mark control point position must it is high-visible, without other interference.
Preferably, step（3）In long rail traction trend scope must be provided drawn according to measurement disjunction mark, keep away
Exempt to occur that rail skew is excessive that unnecessary trouble is brought to subsequent construction；
Step（3）The principle at the uniform velocity drawing, dig-inning rail is must assure that in middle hoist engine operating process, at any time according to rail
Trend is adjusted operation；Hoist engine operating personnel must accept floor manager personnel unified command, ensure that rail towing moves on to
Personnel's injury that maloperation is brought is avoided while position.
Preferably, step（4）During middle long rail guided bend, one leading block, leading block bottom are installed every 8-12m
Seat is drilled using electric drill and uses expansion bolt and ground fixation.
Preferably, step（4）Middle chain block in a pre-installation, first as stress point dragged on the ground by implantation Steel-bar Pile
Draw, or directly manually drawn, until drawing in place.
Preferably, step（5）In it is interim fixed when be fixed using triangle steelframe
Preferably, step（5）In when locking long rail both ends, mechanical cross draw rail it is not in place when using artificial sled
The mode of shifting carries out track lining playback.
Preferably, step（6）Middle rail brace frame installs one along long rail length direction every 3-4m, installs rail branch
It need to ensure that rail brace frame bottom plate and rail bottom plate are closely connected during support, one section of PVC is set with outside the support screw of rail brace frame
Plastic tube is protected, and is easy to the dismounting of support frame.
Preferably, step（6）In inclined support bar, inclined support bar one end triangular steel are installed at rail brace frame both ends
Ledges is as fixed pivot；The installation of triangle reinforced frame need to meet that up-downgoing railway roadbed one-piece casting is constructed, and so also allow for tiltedly propping up
The strut later stage dismantles.
Preferably, step（7）Middle fastener spacing arrangement is defined by track centerline, and up-downgoing cableties part is maintained at as far as possible
On straight line, fastener bottom plate must be vertical with rail when assembled, it is allowed to which error range is ± 5mm.
Preferably, long rail sweep section fastener arrangement density is 1760 couples/km.
Step（8）During middle orbit accurate adjustment：
（1）After the section of track is preliminary in place, according to circuit disjunction mark, adjusted using wheel disc track forces, square and by rail brace frame
Whole section of track height；
（2）When the section of track adjusts, with the control of right angle track forces and the rail of disjunction mark homonymy, first the height regulation of right angle track forces is arrived
It is adapted with the rail level discrepancy in elevation, and the aligner at track forces column bottom is aligned to the center of disjunction mark, the steel of the slider frame of track forces in homonymy
On rail, while by the adjacent right angle track forces of universal rail gage, frame controls opposite side rail and checks and adjust rail on two strands of rail
Away from；
（3）Adjustment closes on the rail brace frame of disjunction mark, adjusts center line after first level-off, rotating support column, makes rail liter
High or reduction, represent that homonymy rail has been adjusted to designed elevation when right angle track forces air level is placed in the middle；Work as universal rail gage（If in long rail
Superelevation value should be added when being measured in bent portion, raise outside rail for balance centrifugal force of train on long rail bent portion, this
The individual required amount of raising is referred to as superelevation value）Air level it is placed in the middle when, represent opposite side rail be also adjusted to required height.Then rotate
Rail clip bolt in rail brace adjustment frame, first loose side tight opposite side again, makes rail horizontally slip, first adjusts and stake homonymy steel
Rail, then adjust opposite side rail, until right angle track forces cross sliding clock total indicator reading is " 0 ", wheel disc track forces reading be " 1435mm " (such as
By 1435+W when 3 in Curve Segment need to be widened) when, then measured with the 10m strings of a musical instrument, the accurate column and rail clip bolt for adjusting support frame, make
The physical dimension of track reaches standard；
（4）Because position and the circuit disjunction mark of rail brace frame be not on same cross section, led plus rail when adjusting rail
Even move, therefore adjusting on rail reality of work is carried out by convergence method, needing repeatedly could be perfect, and the track after adjustment is in place must
Must it is up to standard on inspection after, the work of subsequent processing can be carried out；
（5）After carrying out accurate adjustment to track condition by disjunction mark, repetition measurement is carried out to track condition with track detection car and repaiied
Just；
（6）Last time track condition repetition measurement is carried out with track detection car after the erection of the completion above section of track and adjustment work, it is multiple
Survey qualified rear into next road working procedure.
Compared with prior art, beneficial effects of the present invention：
1st, this construction method is welded into long rail using standard rail, recycles rail tongsrail clamp to arrange in pairs or groups the long rail of elevator machine travel to treating
Paving location, and fixed pulley and leading block are laid in the target location of rail, faced accordingly while long rail is drawn
When fix, complete arrangement of the long rail in design attitude；Chain block is combined during guided bend long rail is carried out laterally to lead
Draw bending, be fixed in time after long rail bending in place；Then the height of rail brace frame and insulation gauge tie-rod to long rail is utilized
Degree and gauge carry out coarse adjustment, finally carry out accurate adjustment to the section of track in conjunction with survey tool and adjustment instrument, and the target for reaching track is bent
Line is linear；The long rail bending disposal molding of the construction method, using the distraction procedure of fixed pulley and leading block, ensure that rail
The smoother property of crooked position, and construction tool is rail construction common tool, construction cost is low, efficiency of construction is high, to rail
It is destructive small；
2nd, this construction method causes curve track one-time laying in place, long rail draw and bend when, using hoist engine,
The specific purpose tool combination manual operation such as leading block and chain block, follows in construction procedure and at the uniform velocity draws, dig-ins rail
Principle, ensure personal security during rail construction.
Brief description of the drawings：
Fig. 1 is the construction method construction process figure of the laying of this tramcar track with small-radius curve and line type control.
Fig. 2 is the construction schematic diagram that the long rail of the construction method is drawn.
Fig. 3 is the construction schematic diagram of the rail guided bend of construction method.
Fig. 4 is that the rail brace frame of the construction method supports the schematic diagram of long rail.
Fig. 5 is Fig. 4 top view.
Marked in figure：The long rails of 1-, 2- fixed pulleys, 3- steel wire ropes, 4- hoist engines, 5- leading blocks, 6- rail fixing ends, 7-
Rail brace frame, 71- support screws.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment
In the present embodiment, by taking the long rail curve track laying constructions of 100m as an example, 100m length is welded into from 25m standard rail
Rail.
As shown in figure 1, the tramcar track with small-radius curve laying of the present embodiment and the construction method of line type control, bag
Include following steps：
（1）Preparation of construction：Before laying construction, the networking measurements of CP III have to pass through management and the assessment of owner's unit is made
Industry, including the settlement observation data of roadbed；Carry out cross oral sex admittance to be laid a railway track and change and enclose temporarily the measure of keeping away, the long rails of 100m
Welding is completed and ensures that joint flaw detection is up-to-standard, while corresponding plant equipment, material etc. are complete；
（2）Surveying and locating：Substrate surface debris is removed, is set every 20m surveys and marks track laying wire center control point,
Determine track laying line midline, it is ensured that deviation is no more than 2mm；Disjunction mark control point, the disjunction mark control are set on the inside of railway roadbed
Point sets one per 5m；The position at disjunction mark control point must be high-visible, is disturbed without other to carry out track geometry status tune
It is whole；
（3）Long rail traction：The construction schematic diagram of long rail traction as shown in Figure 2, rail tongsrail clamp collocation steel wire rope 3 use hoist engine
The method of 4 tractions is constructed, and the rail tongsrail clamp is fixed on into the long termination of rail 1, by rail tongsrail clamp and hoist engine 4 after fixation
Steel wire rope 3 connects；Fixed pulley 2 is arranged on benchmark control point, steel wire rope is led 3 and guided on fixed pulley 2, stable connection to be confirmed
Afterwards, at the uniform velocity drawn using hoist engine 4, long rail 1 is drawn to target location；Because 100m long rail strings weight reaches 6t, therefore give steel
Rail leash carrys out extreme difficulty, while increases safe pressure, using the rail tongsrail clamp collocation long rail of elevator machine travel, is brought for construction
It is convenient, while also can guarantee that workmen's safety；
（4）Long rail guided bend：To ensure that long rail is bent by design radial, it is necessary to controlled in rail heave
The bending line style of long rail, as shown in figure 3, carrying out slide-and-guide with leading block 5, every 10m, outside spacers are installed in long rail 1
One leading block 5；After leading block 5 draws rail in place, lateral traction is carried out to rail with chain block, with reference to measurement
Rail towing is moved on to design attitude by data, and deviation is controlled in the range of 2cm；
（5）Long rail is fixed temporarily：The interim fixation of long rail and step（3）Long rail traction and step（4）Long rail guided bend is same
Shi Jinhang, often draw a bit of of long rail and carry out accordingly fixing temporarily in place immediately, until long rail string is all dragged in place, face
When fix and use triangle steelframe, prevent the bounce-back of long rail to stop；
（6）Rail row supporting：As shown in Figure 4 and Figure 5, long rail 1 is temporarily fixed by after preliminary latch, rail side every
3.5m install a rail brace frame 7 long rail 1 is supported, for adjust and retaining rail away from；Tighten corresponding fixing bolt
Ensure that support is firm, long rail highly can be adjusted for regulation support screw 71；According to the sweep of the long rail of design requirement
Section every 2.5m install an insulation gauge tie-rod, to adjust with retaining rail away from；
（7）Fastener is assembled：Outside is provided with rail tramway dedicated fastener in the sweep section of long rail；The present embodiment
In, fastener is the special W-tram fasteners of tramcar；
（8）Track accurate adjustment：After the section of track is preliminary in place, according to circuit disjunction mark, using track forces, square and pass through rail brace
Frame adjustment section of track height, carries out repetition measurement to track condition with track detection car and is modified, until retest-ok.
During concrete operations, step（2）Disjunction mark control point position must it is high-visible, without other interference.
In the present embodiment, step（3）In long rail traction trend scope must be provided drawn according to measurement disjunction mark,
Avoid the occurrence of rail skew and excessive unnecessary trouble is brought to subsequent construction；
In the present embodiment, step（3）The principle at the uniform velocity drawing, dig-inning rail is must assure that in middle hoist engine operating process,
Operation is adjusted according to rail trend at any time；Hoist engine operating personnel must accept floor manager personnel unified command, protect
Card rail towing avoids personnel's injury that maloperation is brought while moving on to.
In the present embodiment, step（4）Middle leading block base is drilled using electric drill and uses expansion bolt fixation.
In the present embodiment, step（4）Middle chain block in a pre-installation, is first implanted into Steel-bar Pile and carried out as stress point on the ground
It is dilatory, or directly manually drawn, until drawing in place.
In the present embodiment, step（5）Middle long rail is dilatory to be entered using the fastener poured on railway roadbed to long rail both ends afterwards in place
Row locking；In the long rail of fixation, return if carrying out track lining by the way of artificial sled moves when the dilatory rail of mechanical cross is not in place
Position.
In the present embodiment, step（6）It must assure that support frame bottom plate and rail bottom plate are closely connected during middle installation rail brace frame,
One section of PVC plastic pipe is set with outside threaded support bar to be protected, and is easy to the dismounting of support frame.
In the present embodiment, step（6）In rail brace frame both ends install inclined support bar, inclined support bar one end triangular steel
Ledges is as fixed pivot；The installation of triangle reinforced frame need to meet that up-downgoing railway roadbed one-piece casting is constructed, and so also allow for tiltedly propping up
The strut later stage dismantles.Inclined support bar is mainly used in adjustable track direction, and being arranged on for triangle reinforced frame meets that up-downgoing railway roadbed is whole
The dismounting of inclined support bar later stage is also allowed for while the requirement of body pouring construction.
In the present embodiment, step（7）Middle fastener spacing arrangement is defined by track centerline, and up-downgoing cableties part is kept as far as possible
Point-blank, fastener bottom plate must be vertical with rail when assembled, it is allowed to which error range is ± 5mm.
In the present embodiment, long rail sweep section fastener arrangement density is 1760 couples/km.
Step（8）During middle orbit accurate adjustment：
（1）After the section of track is preliminary in place, according to circuit disjunction mark, adjusted using wheel disc track forces, square and by rail brace frame
Whole section of track height；
（2）When the section of track adjusts, with the control of right angle track forces and the rail of disjunction mark homonymy, first the height regulation of right angle track forces is arrived
It is adapted with the rail level discrepancy in elevation, and the aligner at track forces column bottom is aligned to the center of disjunction mark, the steel of the slider frame of track forces in homonymy
On rail, while by the adjacent right angle track forces of universal rail gage, frame controls opposite side rail and checks and adjust rail on two strands of rail
Away from；
（3）Adjustment closes on the rail brace frame of disjunction mark, adjusts center line after first level-off, rotating support column, makes rail liter
High or reduction, represent that homonymy rail has been adjusted to designed elevation when right angle track forces air level is placed in the middle；Work as universal rail gage（If in long rail
Superelevation value should be added when being measured in bent portion, raise outside rail for balance centrifugal force of train on long rail bent portion, this
The individual required amount of raising is referred to as superelevation value）Air level it is placed in the middle when, represent opposite side rail be also adjusted to required height.Then rotate
Rail clip bolt in rail brace adjustment frame, first loose side tight opposite side again, makes rail horizontally slip, first adjusts and stake homonymy steel
Rail, then adjust opposite side rail, until right angle track forces cross sliding clock total indicator reading is " 0 ", wheel disc track forces reading be " 1435mm " (such as
By 1435+W when 3 in Curve Segment need to be widened) when, then measured with the 10m strings of a musical instrument, the accurate column and rail clip bolt for adjusting support frame, make
The physical dimension of track reaches standard；
（4）Because position and the circuit disjunction mark of rail brace frame be not on same cross section, led plus rail when adjusting rail
Even move, therefore adjusting on rail reality of work is carried out by convergence method, needing repeatedly could be perfect, and the track after adjustment is in place must
Must it is up to standard on inspection after, the work of subsequent processing can be carried out；
（5）After carrying out accurate adjustment to track condition by disjunction mark, repetition measurement is carried out to track condition with track detection car and repaiied
Just；
（6）Last time track condition repetition measurement is carried out with track detection car after the erection of the completion above section of track and adjustment work, it is multiple
Survey qualified rear into next road working procedure.
After long rail and the section of track are set up in place, bar-mat reinforcement colligation is carried out below the section of track, mould is carried out after bar-mat reinforcement colligation shaping
Plate Zhi Li, concreting is finally carried out, complete construction.
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Claims (10)
1. tramcar track with small-radius curve is laid and the construction method of line type control, it is characterised in that comprises the following steps：
（1）Preparation of construction：Before laying construction, carry out cross oral sex admittance to be laid a railway track and change and enclose temporarily the measure of keeping away, long rail welding
Complete and ensure that joint flaw detection is up-to-standard, the long rail is welded using more standard rail；
（2）Surveying and locating：Substrate surface debris is removed, is set every 15-25m surveys and marks track laying wire center control point,
Determine track laying line midline, it is ensured that deviation is no more than 2mm；Disjunction mark control point, the disjunction mark control are set on the inside of railway roadbed
Point sets one per 4-7m；
（3）Long rail traction：Rail tongsrail clamp collocation steel wire rope is constructed with the method for elevator machine travel, and the rail tongsrail clamp is fixed on
Long rail termination, the steel wire rope of rail tongsrail clamp and hoist engine is connected after fixation；Fixed pulley is arranged on benchmark control point, by steel
Cord is drawn on fixed pulley, after stable connection to be confirmed, is at the uniform velocity drawn using hoist engine, long rail is drawn to target location；
（4）Long rail guided bend：Control the bending line style of long rail：Outside spacers are installed at least in long rail curved section target location
Two leading blocks, line slip route guidance is entered to long rail with leading block combination elevator machine travel；After the traction in place of long rail,
Transverse curvature traction is carried out to long rail with chain block, rail towing is moved on into design attitude with reference to measurement data, deviation control exists
In the range of 2cm；
（5）Long rail is fixed temporarily：The interim fixation of long rail and step（3）Long rail traction and step（4）Long rail guided bend enters simultaneously
OK, often draw one section of long rail carry out immediately in place it is corresponding interim fixed, until long rail string is all dragged in place, using having poured
The fastener built on railway roadbed is locked the both ends of long rail；
（6）Rail row supporting：Long rail is temporarily fixed by after preliminary latch, and multiple rail brace frames are installed to length along long rail length direction
Rail is supported and adjusts long rail height, and tightening corresponding fixing bolt ensures that support is firm；According to design requirement in long rail
Installation insulation gauge tie-rod in interval on curved section, to adjust and fix the spacing of long rail；
（7）Fastener is assembled：Outside is provided with rail tramway dedicated fastener in the sweep section of long rail；
（8）Track accurate adjustment：After the section of track is preliminary in place, according to circuit disjunction mark, adjusted using track forces, square and by rail brace frame
Whole section of track height, carries out repetition measurement to track condition with track detection car and is modified, until retest-ok.
2. tramcar track with small-radius curve laying according to claim 1 and the construction method of line type control, it is special
Sign is, step（3）In long rail traction trend scope must be provided drawn according to measurement disjunction mark.
3. tramcar track with small-radius curve laying according to claim 1 and the construction method of line type control, it is special
Sign is, step（4）During middle long rail guided bend, one leading block is installed every 8-12m, leading block base uses electric drill
Drill and use expansion bolt and ground fixation.
4. the construction method of the laying of tramcar track with small-radius curve and line type control according to claim 1 or 3, its
It is characterised by, step（4）During middle long guided bend, chain block in a pre-installation, is first implanted into Steel-bar Pile as chain calabash on the ground
The stress point of reed is drawn, or is directly manually drawn, until drawing in place.
5. tramcar track with small-radius curve laying according to claim 1 and the construction method of line type control, it is special
Sign is, step（5）In it is interim fixed when be fixed using triangle steelframe.
6. tramcar track with small-radius curve laying according to claim 1 and the construction method of line type control, it is special
Sign is, step（5）In when locking long rail both ends, mechanical cross draw rail it is not in place when enter by the way of artificial sled moves
Row track lining playbacks.
7. tramcar track with small-radius curve laying according to claim 1 and the construction method of line type control, it is special
Sign is, step（6）Middle rail brace frame installs one along long rail length direction every 3-4m, needs to protect when installing rail brace frame
Demonstrate,prove rail brace frame bottom plate and rail bottom plate is closely connected, one section of PVC plastic pipe is set with outside the support screw of rail brace frame and is carried out
Protection.
8. tramcar track with small-radius curve laying according to claim 7 and the construction method of line type control, it is special
Sign is, is provided with inclined support bar at rail brace frame both ends, and inclined support bar one end is used as fixed pivot by the use of triangle reinforced frame.
9. tramcar track with small-radius curve laying according to claim 1 and the construction method of line type control, it is special
Sign is, step（7）Middle fastener spacing arrangement is defined by track centerline, and up-downgoing cableties part keeps point-blank, spelling
Fastener bottom plate must be vertical with rail during dress, it is allowed to which error range is ± 5mm.
10. the construction method of the laying of tramcar track with small-radius curve and line type control according to claim 1 or 9,
Characterized in that, long rail curved section fastener arrangement density is 1760 couples/km.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432602.9A CN106368089B (en) | 2015-07-22 | 2015-07-22 | Tramcar track with small-radius curve is laid and the construction method of line type control |
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|---|---|---|---|
| CN201510432602.9A CN106368089B (en) | 2015-07-22 | 2015-07-22 | Tramcar track with small-radius curve is laid and the construction method of line type control |
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| CN106368089B true CN106368089B (en) | 2017-12-08 |
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| CN107034786B (en) * | 2017-04-10 | 2018-12-04 | 中铁二院工程集团有限责任公司 | A kind of track linear control method for multi-thread LONG-SPAN RAILWAY bridge |
| CN112195692B (en) * | 2020-09-28 | 2021-07-13 | 广州市鼎隆机电安装有限公司 | Urban tram track auxiliary equipment |
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|---|---|---|---|---|
| EP0939849A1 (en) * | 1996-09-09 | 1999-09-08 | Karl Anders Rosenqvist | A method of placing rail sections and a means therefore |
| CN101215813B (en) * | 2007-12-27 | 2012-11-14 | 中铁二局股份有限公司 | Method for laying ballastless track long steel rail |
| CN102296495B (en) * | 2011-05-25 | 2013-01-23 | 中铁二十局集团第四工程有限公司 | Long steel rail laying and welding construction process under conditions of large temperature differences and strong sandstorms |
| FR2986246B1 (en) * | 2012-01-31 | 2014-12-12 | Geismar Ancien Ets L | RAILWAY RAILWAY RACK, LIKELY TO BE ATTACHED TO LIFTING MACHINE, FOR RAIL LOADING AND UNLOADING |
| CN104264543B (en) * | 2014-09-11 | 2016-08-24 | 北京铁五院工程机械有限公司 | The construction method of sharp radius curve non-fragment orbit |
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- 2015-07-22 CN CN201510432602.9A patent/CN106368089B/en active Active
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Address after: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Co-patentee after: China Railway Erju Corporation Ching Engineering Co., Ltd. Patentee after: China Railway No. 2 Engineering Group Co., Ltd. Address before: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Co-patentee before: China Railway Erju Corporation Ching Engineering Co., Ltd. Patentee before: CHINA RAILWAY NO.2 BUREAU ENGINEERING CO., LTD. |