CN104612004B - Existing line D beam overall longitudinally-moving construction method - Google Patents
Existing line D beam overall longitudinally-moving construction method Download PDFInfo
- Publication number
- CN104612004B CN104612004B CN201510036765.5A CN201510036765A CN104612004B CN 104612004 B CN104612004 B CN 104612004B CN 201510036765 A CN201510036765 A CN 201510036765A CN 104612004 B CN104612004 B CN 104612004B
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- CN
- China
- Prior art keywords
- steel
- big coaster
- coaster
- big
- steel sleeper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/06—Transporting, laying, removing or renewing sleepers
- E01B29/09—Transporting, laying, removing or renewing sleepers under, or from under, installed rails
- E01B29/13—Transporting, laying, removing or renewing sleepers under, or from under, installed rails for moving sleepers in a direction parallel to the rails, e.g. for spacing or aligning them
Abstract
The invention discloses an existing line D beam overall longitudinally-moving construction method. The lifting height of a D beam is calculated according to field D beam high-order arrangement, head blocks are placed on an existing line, a steel sleeper is placed on each head block, the steel sleepers are installed, upper brackets are connected, after the D beam is lifted in place, gaps between the steel sleepers above the head blocks and the head blocks are plugged through wooden footplates, wooden edges are tightly punched, the D beam is longitudinally moved to an existing line reinforced position, a jack falls back, the D beam falls to a required position, the head blocks and the steel sleepers above the line are removed, and the D beam is connected and fastened. By the adoption of the construction method, the D beam can be quickly and longitudinally moved, blocking key points and construction procedures are reduced, instability and the easy-to-topple risk in the D beam moving process are reduced, a contact net does not need to be powered off, the railway transport capacity is greatly released, station track limitation is avoided, the blocking key points are reduced, and construction time is saved.
Description
Technical field
The invention belongs to construction of railways field, more particularly, to a kind of this line D beam entirety longitudinal shift construction method.
Background technology
Divide diplopore prefabricated D beam hole-specifically in strengthening construction in railway frame structure, just beam reinforces line to adopt D type according to design requirement
Road, under conditions of not interrupting railways train operation, conventional construction method need to using the big coaster of slide rail in length and breadth movement defeated D beam arrive reinforcing position
Put, working procedure is loaded down with trivial details, construction " skylight point " time is short, and the monolithic beam center of gravity of D type just beam is higher, bottom surface is narrow, is moving
In be easy to topple, directly there is potential safety hazard and risk in tearing assembling construction open, there is no larger security reliability.
Content of the invention
It is an object of the invention to provide a kind of line D beam entirety longitudinal shift construction method is it is intended to solve traditional railway frame
Structure divides diplopore prefabricated D beam hole-specifically strengthening construction tedious process, and the engineering time is long, the problem of poor stability.
It is interior that the present invention is achieved in that a kind of this line D beam entirety longitudinal shift construction method includes a little outer preparation and point
Operation, concrete grammar includes：
Step one, the outer preparation of point：
The first step, " taking out one every six " rule of being engaged according to work require, and sleeper replacement at the reinforcing of this line is steel sleeper；
Second step, in the range of the D beam vertical shift of this line cleaning D beam walk row of channels；
3rd step, prepare big coaster outside circuit, a steel sleeper placed by every big coaster, and headblock assorted by big coaster
Plate, timber wedge, crowbar；
4th step, hydraulic jack is transported in advance circuit D beam two ends, D beam two ends are installed steel and shored, and install oil pipe
And oil pump, jack withstands steel and shores；
Operation in step 2, point：
The first step, upper installation connect steel sleeper above former D beam hardened link；
Second step, D beam two ends steel shore lower section install hydraulic jack, overall jack-up D beam, make D beam bottom be higher than the flange of rail
Steel sleeper, space plug sheeting caps between big coaster and steel sleeper, wheel walked by the urgent big coaster of timber wedge；
3rd step, remove big coaster and walk timber wedge at wheel, promote big coaster simultaneously, position, wood are reinforced in D beam vertical shift to this line
Wheel walked by the urgent big coaster of wedge；
4th step, falling D beam.
The first step, above the described former D beam hardened link of connection, the concrete grammar of steel sleeper is：
Artificial lift by D beam two ends respectively puts big coaster in circuit, steel sleeper lift is put to big coaster, promotes big coaster respectively
To specified location, the urgent big coaster of timber wedge walks wheel, fixed lateral position, connection steel sleeper, fastening bracket.
4th step, the concrete grammar of described falling D beam is：
Shore lower section in D beam two ends steel and hydraulic jack, overall jack-up D beam are installed, so that big coaster is not stressed, by big coaster
Extract out steel sleeper above circuit, fall jack after rise, make D beam integrally drop down onto D beam-ends requirement position, remove steel sleeper above circuit,
Reinforcement by connection D beam.
The construction method of the present invention can achieve the quick vertical shift of D beam, reduces block main points and working procedure, reduces D beam and moves
The unstability of disorder of internal organs and the risk easily toppled over, have a power failure without contact net, greatly release railway transport capacity, do not limited by station track
System, reduces block main points, saves the engineering time.
Brief description
Fig. 1 is provided in an embodiment of the present invention line D beam entirety longitudinal shift construction method flow chart.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings and specific embodiment is further described to the application principle of the present invention.
In the 2-16m frame structure jacking construction of Xinzhou City peace East Street, divide holes prefabricated in existing railway west side, cross north same
Pu up-downgoing, Xin Hexian, shunting neck, 4 station track altogether, adopt 24m D beam hardened link in construction, according to live D deck-molding position cloth
Put to calculate D beam and need to lift 45cm and exceed flange of rail steel sleeper, existing line is put six big coasters, each big coaster places one
Steel sleeper, installs steel sleeper at D beam two ends respectively 2.01m, 4.69m, 7.37m, connects bracket, D beam lifting big coaster after putting in place
Sheeting caps stuff up a crack urgent timber wedge is used, vertical shift to this line is reinforced position, slightly played D beam, remove between the steel sleeper of top and big coaster
Big coaster, falling jack makes D beam drop down onto and requires position, removes steel sleeper above circuit, connection fastening D beam.Concrete grammar is as follows：
S101, " taking out one every six " rule of being engaged according to work require, and sleeper replacement at the reinforcing of this line is steel sleeper；
S102, in the range of the D beam vertical shift of this line cleaning D beam walk row of channels；
S103, prepare 6 big coasters outside circuit, every big coaster piece steel sleeper of placement, headblock assorted by big coaster
Plate, timber wedge, crowbar；
S104, hydraulic jack is transported in advance circuit D beam two ends, D beam two ends are installed steel and shored, install oil pipe and
Oil pump, jack withstands steel and shores；
S105, artificial lift by D beam two ends respectively put big coaster in circuit, steel sleeper lift is put to big coaster, promotes respectively
To at D beam two ends 2.01m, 4.69m, 7.37m, the urgent big coaster of timber wedge walks wheel, fixed lateral position to big coaster, connects steel
Pillow, fastening bracket；
S106, D beam two ends steel shore lower section install join 4 70cm stroke hydraulic jack, so that 2 D beams is integrally lifted,
D beam bottom is made to be higher than flange of rail steel sleeper 5cm, space plug sheeting caps between big coaster and circuit, wheel walked by the urgent big coaster of timber wedge；
S107, remove big coaster and walk timber wedge at wheel, promote big coaster simultaneously, position, timber wedge are reinforced in D beam vertical shift to this line
Kill big coaster and walk wheel；
S108, D beam two ends steel shore lower section install hydraulic jack, overall jack-up D beam, so that big coaster is not stressed, will
Extract out big coaster steel sleeper above circuit, fall jack after rise, make D beam integrally drop down onto to require position, remove steel sleeper above circuit,
Reinforcement by connection D beam.
Note in construction：
1. ensure that every big coaster wheel normally runs.
2. above circuit, steel sleeper requires to be connected fastening with D beam, using electric wrench fastening.
3. measure good big coaster in advance and fall position after rise it is ensured that para-position accurately, quickly carries out next procedure.
4. adopt during hydraulic jack jack-up D beam it is desirable to D beam entirety jack-up, steadily, safety.
5. after D back is risen and is connected with steel sleeper above circuit, D beam lower end uses 4m they sup-port, during guaranteeing to fall after rise D beam
Do not conflict with steel sleeper at reinforcing position.
6. D back rises, sliding, whereabouts will be assumed unified command of, acting in agreement guarantees safety.
Conventional construction method need to be using movement defeated D beam loaded down with trivial details, the construction to reinforcing position, working procedure in length and breadth of the big coaster of slide rail
" skylight point " time is short, and the monolithic beam center of gravity of D type just beam is higher, and bottom surface is narrow, is easy to topple in movement.Especially
The D24m just long 24.5m of beam girder, wide 45cm, high 130cm, height is 3 times of bottom width, and such configuration is steady in monolithic directly moves
Qualitative extreme difference, directly has potential safety hazard and risk in tearing assembling construction open, does not have larger security reliability.Using entirety
D beam connects and coordinates big coaster straight skidding, can guarantee that the stability in the large of D beam, saves working procedure it is ensured that open-minded on schedule.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (1)
1. a kind of this line D beam entirety longitudinal shift construction method is it is characterised in that described line D beam entirety longitudinal shift construction method includes：
Step one, the outer preparation of point：
The first step, by sleeper replacement at the reinforcing of this line be steel sleeper；
Second step, in the range of the D beam vertical shift of this line cleaning D beam walk row of channels；
3rd step, prepare big coaster outside circuit, a steel sleeper placed by every big coaster, and big coaster is assorted sheeting caps, wood
Wedge, crowbar；
4th step, hydraulic jack is transported in advance circuit D beam two ends, D beam two ends are installed steel and shored, and install oil pipe and oil
Pump, jack withstands steel and shores；
Operation in step 2, point：
The first step, upper installation connect steel sleeper above former D beam hardened link；It is specially artificial sliding greatly by D beam two ends lift pendulum respectively
Car in circuit, steel sleeper lift is put to big coaster, is promoted big coaster respectively to specified location, the urgent big coaster of timber wedge walk wheel,
Fixed lateral position, connection steel sleeper, fastening bracket；
Second step, D beam two ends steel shore lower section install hydraulic jack, overall jack-up D beam, make D beam bottom be higher than flange of rail steel sleeper,
Space plug sheeting caps between big coaster and steel sleeper, wheel walked by the urgent big coaster of timber wedge；
3rd step, remove big coaster and walk timber wedge at wheel, promote big coaster simultaneously, position is reinforced in D beam vertical shift to this line, timber wedge is beaten
Tightly wheel walked by big coaster；
4th step, falling D beam；It is specially and shores lower section installation hydraulic jack, overall jack-up D beam in D beam two ends steel, make to slide greatly
Car does not stress, and will extract out, fall jack after rise, make D beam integrally drop down onto D beam-ends requirement position big coaster steel sleeper above circuit,
Remove steel sleeper above circuit, reinforcement by connection D beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036765.5A CN104612004B (en) | 2015-01-24 | 2015-01-24 | Existing line D beam overall longitudinally-moving construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036765.5A CN104612004B (en) | 2015-01-24 | 2015-01-24 | Existing line D beam overall longitudinally-moving construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612004A CN104612004A (en) | 2015-05-13 |
| CN104612004B true CN104612004B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510036765.5A Expired - Fee Related CN104612004B (en) | 2015-01-24 | 2015-01-24 | Existing line D beam overall longitudinally-moving construction method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897822A (en) * | 2021-11-13 | 2022-01-07 | 大同市陆宏铁路建设有限公司 | Transverse and longitudinal moving device for construction based on D-shaped temporary beam and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963061A (en) * | 2010-10-19 | 2011-02-02 | 浙江省建工集团有限责任公司 | Construction method for underground box culvert of existing railway line |
| CN102839578A (en) * | 2012-08-30 | 2012-12-26 | 中铁十局集团有限公司 | Construction method for manually longitudinally moving temporary beam in reinforcing multi-track line by use of D type temporary beam |
| CN202705829U (en) * | 2012-08-30 | 2013-01-30 | 中铁十局集团有限公司 | Convenient beam slider for manually and longitudinally moving D-shaped convenient beam |
| CN104213512A (en) * | 2014-09-24 | 2014-12-17 | 中铁六局集团有限公司 | Integrated trolley for transporting and erecting D beams of railway and method for mounting D beams |
-
2015
- 2015-01-24 CN CN201510036765.5A patent/CN104612004B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963061A (en) * | 2010-10-19 | 2011-02-02 | 浙江省建工集团有限责任公司 | Construction method for underground box culvert of existing railway line |
| CN102839578A (en) * | 2012-08-30 | 2012-12-26 | 中铁十局集团有限公司 | Construction method for manually longitudinally moving temporary beam in reinforcing multi-track line by use of D type temporary beam |
| CN202705829U (en) * | 2012-08-30 | 2013-01-30 | 中铁十局集团有限公司 | Convenient beam slider for manually and longitudinally moving D-shaped convenient beam |
| CN104213512A (en) * | 2014-09-24 | 2014-12-17 | 中铁六局集团有限公司 | Integrated trolley for transporting and erecting D beams of railway and method for mounting D beams |
Non-Patent Citations (1)
| Title |
|---|
| 营业线D梁便梁纵移、横移施工方法;徐幼成;《上海铁道科技》;20111225(第4期);第2页，2.2.3.2 * |
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| Publication number | Publication date |
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| CN104612004A (en) | 2015-05-13 |
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Granted publication date: 20170222 Termination date: 20190124 |
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