CN110761133A - Automatic fine adjustment system and method for open bridge deck sleeper plate type track structure on steel truss girder - Google Patents
Automatic fine adjustment system and method for open bridge deck sleeper plate type track structure on steel truss girder Download PDFInfo
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- CN110761133A CN110761133A CN201910864106.9A CN201910864106A CN110761133A CN 110761133 A CN110761133 A CN 110761133A CN 201910864106 A CN201910864106 A CN 201910864106A CN 110761133 A CN110761133 A CN 110761133A
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- sleeper
- jack
- steel truss
- track structure
- track
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- 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
- E01B29/04—Lifting or levelling of tracks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an automatic fine adjustment system for a sleeper plate type track structure of an open bridge floor on a steel truss girder, which is characterized in that: comprises a track geometric state detector (1), a three-way jack (7) and a jack control system (8); the track geometric state detector (1) is arranged on a steel rail (2) and used for measuring a rough-paved track structure and acquiring geometric form and position information of the track structure; a plurality of three-way jacks (7) are arranged between the sleeper plate (4) and the steel truss girder sidewalk (6), and the geometric positions of the sleeper plate (4) are finely adjusted in the vertical, longitudinal and transverse directions of the rail under the synchronous actuation of the jack control system (8). The invention can solve the problems of low fine adjustment efficiency, small adjustment amount, large workload and the like of the sleeper slab on the existing steel truss girder.
Description
Technical Field
The invention belongs to the field of precise track construction, and particularly relates to an automatic fine adjustment system and method for a slab track structure of a sleeper on an open bridge floor of a steel truss girder.
Background
The long-span steel truss structure is a structural form commonly adopted by modern railway bridges, has the outstanding advantages of simple structure, convenient construction, strong bearing capacity and the like, and is widely applied to construction of ordinary speed railways, high-speed railways and intercity railways. At present, common rail structures of railway steel trusses at home and abroad comprise a wooden sleeper open-deck rail, a ballast rail, a synthetic resin sleeper rail, a sleeper slab structure rail and the like.
The open bridge deck track of the wood sleeper laid on the traditional steel truss girder is limited by the easy decay, mechanical abrasion and cracking of the wood sleeper, and the service life of the structure is short; the bridge deck system with the ballast track is not easy to inspect and maintain and has larger self weight; the synthetic resin sleeper has too high cost and is not suitable for large-scale laying application; the sleeper plate structure track can improve track structure stability and durability, reduce maintenance work load, reduce the height of building on the track and the second-phase dead load of the bridge simultaneously, and reduce the construction cost of the main bridge.
The sleeper slab structure track on the steel truss girder comprises steel rails, fasteners, sleeper slabs, concrete cushions, high-strength connecting bolts, main longitudinal girders of the steel truss girder and other accessories, wherein the sleeper slabs are fixedly connected with the main longitudinal girders of the steel truss girder through the high-strength bolts, and the concrete cushions are poured between the sleeper slabs and the main longitudinal girders of the steel truss girder. Most of the existing track fine adjustment systems are designed for ballastless tracks and ballasted tracks, and the fine adjustment method for the open bridge deck sleeper plate structure track on the steel truss girder is less. The sleeper slab structure track of laying on the steel truss, behind the concrete cushion that pours into, the track structure fine tuning mainly relies on the fastener system, and this kind of track fine tuning mode adjustment volume is little, work load is big, inefficiency.
Disclosure of Invention
Aiming at least one of the defects or improvement requirements in the prior art, the invention provides an automatic fine adjustment system for a sleeper plate type track structure of an open bridge deck on a steel truss girder, which can solve the problems of low fine adjustment efficiency, small adjustment amount, large workload and the like of the sleeper plate on the steel truss girder. The track geometric state detector is used for acquiring the geometric state of the track structure and determining the adjustment amount of the sleeper plate to be adjusted, the adjustment amount information is transmitted to the jack control system through communication systems such as Bluetooth, the jack control system drives the three-way jack in real time to accurately adjust the geometric shape and position of the sleeper plate, automatic fine adjustment of the sleeper plate track structure on the steel truss girder is achieved, and the operation efficiency is greatly improved.
To achieve the above objects, according to one aspect of the present invention, there is provided an automatic fine tuning system for a slab track structure of open deck sleepers on a steel girder, wherein:
the device comprises a track geometric state detector, a three-way jack and a jack control system;
the track geometric state detector is arranged on a steel rail and used for measuring a coarsely laid track structure and acquiring geometric shape and position information of the track structure;
and a plurality of three-way jacks are arranged between the sleeper plate and the steel truss girder sidewalk, and the geometric positions of the sleeper plate are finely adjusted in the vertical direction, the longitudinal direction and the transverse direction of the rail under the synchronous actuation of the jack control system.
Preferably, the fine adjustment system further comprises a connecting screw;
the connecting screw rod is arranged on a lifting sleeve reserved on the side surface of the sleeper plate;
the three-way jack is connected with and adjusts the sleeper plate through the connecting screw rod.
Preferably, the three-way jack surface faces one end of the steel truss girder sidewalk and is fixed on the side face, close to the direction of the sleeper plate, of the steel truss girder sidewalk.
Preferably, the three-way jack comprises a bearing platform, and the bearing platform is fixedly connected with the connecting screw rod.
Preferably, the three-way jack further comprises a jack vertical jack, a jack longitudinal jack, a jack transverse jack connected to the bearing platform, actuated alone or in combination by the jack control system.
Preferably, the three-way jack is detachably connected with the sleeper plate and the steel truss sidewalk.
Preferably, the three-way jacks are symmetrically arranged on two lateral sides of each sleeper plate along a longitudinal line in the rail.
In order to achieve the above object, according to another aspect of the present invention, there is provided a fine tuning method for an automatic fine tuning system of a slab track structure of a sleeper on an open deck of a steel truss girder, comprising the steps of:
s1, roughly paving the rail structure including the sleeper slab, the fastener system and the steel rail according to preset precision;
s2, cleaning the hoisting sleeves reserved on two sides of the sleeper slab, installing a connecting screw rod along the hoisting sleeves in a threaded manner, fixedly installing the other end of the connecting screw rod on a three-way jack bearing platform, and installing the other end of the three-way jack on the side surface of the steel truss girder sidewalk; a jack control system is assembled on the three-way jack, and the jack control system 8 receives signals through communication equipment;
s3, before the fine adjustment construction operation starts, setting a fine adjustment starting point mileage, a fine adjustment section sleeper plate number and corresponding mileage information in the track geometric state detector;
s4, mounting the track geometric state detector at a fine adjustment operation starting point, and pushing the track geometric state detector by a worker to acquire track structure geometric form and position information;
s5, the track geometric state detector synchronously calculates the geometric form and position deviation of the track structure;
s6, sending the corresponding sleeper plate to-be-adjusted quantity to the jack control system through a communication system;
and S7, after receiving the adjustment amount of the corresponding sleeper plate, the jack control system controls the three-way jack to act, and accurately adjusts the geometric shape and position of the sleeper plate, so that the automatic accurate adjustment of the rail structure is realized.
Preferably, in step S4, the track geometry state detector is used to measure the overall geometry of the track structure, and completely collect the installation deviation of the main longitudinal beam of the steel truss girder, the sleeper slab, the fastener system and the steel rail;
in step S5, the amount of adjustment to be made to the track structure is calculated by comparing the standard data with the geometric standard data of the track structure;
in step S6, the amount to be adjusted is combined and transferred to the adjustment of the tie plate.
Preferably, the method further comprises the following steps:
s8, after the fine adjustment of the track structure in the fine adjustment section is finished, fixing the sleeper slab and the steel truss girder main girder by using a high-strength connecting bolt, and then pouring a concrete cushion layer between the sleeper slab and the steel truss girder main girder; and after the concrete cushion is stably poured, the three-way jack and the jack control system are disassembled, so that the repeated utilization of the subsequent fine adjustment interval is realized.
In the invention, the track geometric state detector measures a track structure which is coarsely paved according to preset precision, acquires the geometric shape and position information of the track structure and calculates the corresponding amount to be adjusted of each sleeper plate; the connecting screw rods are installed by utilizing the hoisting sleeves reserved on two sides of the sleeper plate, and the other ends of the connecting screw rods are fixed on the three-way jacks through the positioning bolts; the three-way jack is installed steel truss girder pavement side, the three-way jack by control system control drive, control system through the bluetooth with track geometric status detector is connected and is acquireed the sleeper board volume of waiting to adjust.
The invention utilizes the track geometric state detector to measure the overall geometric shape and position of the track structure, completely collects the installation deviation of the main longitudinal beam of the steel truss girder, the sleeper slab, the fastener system and the steel rail, and then calculates the amount to be adjusted of the track structure by comparing with the geometric shape and position standard data of the track structure. The adjustment amount to be adjusted is combined and transferred to the adjustment of the sleeper plate, so that batch adjustment of each structure of the track is avoided, and the workload of fine adjustment of the track structure is reduced. The track geometric state detector has clear standards, is suitable for the track construction standards of China, does not need to independently develop the track structure of the steel truss girder sleeper slab, and reduces the cost of additionally purchasing the overall fine adjustment equipment of the track.
The track geometric state detector transmits the amount to be adjusted of the corresponding sleeper plate to the control system through the Bluetooth system, and the control system controls the three-way jack to perform corresponding actions, so that the geometric shape and position of the sleeper plate are accurately adjusted, and the automatic fine adjustment of the sleeper plate structure track on the steel truss girder is realized.
The three-way jack is fixedly installed on the side faces of the steel truss girder sidewalks on two sides of the track structure, the connecting screw rod is installed on a bearing platform of the three-way jack, and the connecting screw rod is connected with a hoisting sleeve reserved on the sleeper plate through threads. And the three-way jack realizes the accurate adjustment of the geometric shape and position of the sleeper plate through a connecting screw rod. The three-way jack is assembled with the jack control system, and the jack control system receives the geometric shape and position adjustment quantity information corresponding to the sleeper plate sent by the track geometric state detector through Bluetooth equipment.
After the fine adjustment of the track structure is finished, fixing the sleeper slab and the steel truss girder main longitudinal girder by using a high-strength connecting bolt, and then pouring a concrete cushion layer between the sleeper slab and the steel truss girder main longitudinal girder. And after the concrete cushion is stably poured, the three-way jack and the jack control system can be dismantled, so that the repeated utilization is realized.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
1. according to the automatic fine adjustment system for the slab track structure of the open bridge deck sleeper on the steel truss girder, the track geometric state detector is used for collecting the geometric state of the track structure and determining the amount of adjustment to be performed on the sleeper slab, the adjustment amount information is transmitted to the jack control system through the communication systems such as Bluetooth and the like, the jack control system drives the three-way jack to accurately adjust the geometric shape and position of the sleeper slab in real time, the automatic fine adjustment of the slab track structure of the sleeper slab on the steel truss girder is achieved, and the operation efficiency is greatly improved.
2. According to the automatic fine adjustment system for the slab track structure of the open bridge deck sleeper on the steel truss girder, only one operator pushes the detector for the geometrical state of the cable railway in the fine adjustment process of the track structure, the measured track structure can be automatically and finely adjusted, and the operation efficiency of fine adjustment of the track structure is greatly improved.
3. According to the automatic fine adjustment system for the slab track structure of the open bridge deck sleeper on the steel truss girder, the installation errors of the steel truss girder, the sleeper slab, the fasteners and the steel rail are comprehensively considered by the track structure geometric shape and position information acquired by the track geometric state detector, the track structure geometric shape and position information is uniformly transferred to the sleeper slab to be adjusted and compensated, the surface accuracy of the steel rail is directly taken as an evaluation standard, the influence of the installation errors among the structures of the track system is avoided, the cost for purchasing a whole set of track fine adjustment equipment is reduced, and the construction cost is reduced.
4. According to the automatic fine adjustment system for the slab track structure of the open bridge deck sleeper on the steel truss girder, the track geometric state detector is a common and mature product for track detection, has high universality and complete standard support, is suitable for track construction in China, reduces the cost for additionally purchasing the track fine adjustment system, and reduces the construction cost.
5. According to the automatic fine adjustment system for the sleeper plate type track structure of the open bridge floor on the steel truss girder, the three-way jack is installed on the side face of the sidewalk of the steel truss girder, the operation space of track structure construction is not occupied, the problem that the track adjustment amount of the sleeper plate structure on the steel truss girder bridge is small is solved, meanwhile, the automatic fine adjustment system can adapt to steel truss girder bridge floor structures with different spans, has good universality and reduces the construction cost.
6. The automatic fine adjustment system for the slab track structure of the open bridge deck sleeper on the steel truss girder can remove the three-way jack for reuse after fine adjustment construction operation is completed.
7. According to the automatic fine adjustment system for the open bridge deck sleeper plate type track structure on the steel truss girder, the three-way jacks synchronously act to adjust the sleeper plate, so that the damage to the sleeper plate caused by inconsistent displacement of the three-way jacks is avoided.
7. According to the automatic fine adjustment system for the open bridge deck sleeper plate type track structure on the steel truss girder, the track geometric state detector can directly transmit the geometric shape and position data of the automatically positioned and measured track structure to the jack control system through Bluetooth according to the measurement mileage and the sleeper plate number which are set before measurement, so that a large amount of complex workload caused by manual measurement is saved.
Drawings
FIG. 1 is a schematic view of the overall structure of an automatic fine tuning system for open deck sleeper slab structure track on steel truss girder of the present invention;
FIG. 2 is a schematic structural view of a longitudinal section of an automatic fine adjustment system of a track of an open bridge sleeper slab structure on a steel truss girder;
FIG. 3 is a schematic diagram of the overall structure of the sleeper slab fine adjustment of the automatic fine adjustment system for the open-deck sleeper slab structure track on the steel truss girder;
FIG. 4 is a top view of the sleeper slab fine tuning structure of the open deck sleeper slab structural track automatic fine tuning system of the present invention on a steel truss girder;
FIG. 5 is a schematic longitudinal section of a sleeper slab fine adjustment structure of the automatic fine adjustment system for open bridge sleeper slab structure rails on a steel truss girder of the present invention;
FIG. 6 is a schematic view of the overall structure of a three-way jack and a jack control system of the automatic fine adjustment system for the open bridge sleeper slab structure track on the steel truss girder;
FIG. 7 is a top view of the three-way jack and jack control system of the automatic fine tuning system for open deck sleeper slab structure track on steel truss girder of the present invention;
FIG. 8 is a schematic view of the overall structure of the automatic fine adjustment system for open deck sleeper slab structure track on steel truss girder of the present invention after completion of construction;
fig. 9 is a schematic structural view of a vertical section of the open bridge sleeper slab structure track of the steel truss girder after the automatic fine adjustment system is constructed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1 to 9, the present invention provides an automatic fine tuning system for a slab track structure of open deck sleepers on a steel girder, in which: the device comprises a track geometric state detector 1, a three-way jack 7, a jack control system 8 and a connecting screw rod 9.
As shown in fig. 2, the track geometric state detector 1 is arranged on a steel rail 2, and is configured to measure a coarsely laid track structure and collect geometric configuration and position information of the track structure.
As shown in fig. 2-5, a plurality of said three-way jacks 7 are arranged between the sleeper slab 4 and the steel truss sidewalk 6, and the geometric position of the sleeper slab 4 is finely adjusted in three directions of rail vertical direction, rail longitudinal direction and rail transverse direction under the synchronous actuation of said jack control system 8.
As shown in fig. 1 to 5, the connecting screw 9 is mounted on a lifting sleeve 10 reserved on the lateral surface of the sleeper plate 4; the three-way jack 7 is connected with and adjusts the sleeper plate 4 through the connecting screw rod 9.
And the three-way jack 7 faces one end of the steel truss girder sidewalk 6 and is fixed on the side surface of the steel truss girder sidewalk 6 close to the direction of the sleeper plate 4.
The three-way jack 7 comprises a bearing platform, and is fixedly connected with the connecting screw rod 9 through the bearing platform. As shown in fig. 6-7, the three-way jack 7 further comprises a jack vertical jack 13, a jack longitudinal jack 14, a jack transversal jack 15 connected to the bearing platform, actuated alone or in combination by the jack control system 8.
The three-way jack 7 is detachably connected with the sleeper plate 4 and the steel truss girder sidewalk 6 so as to be conveniently detached and reused.
The three-way jacks 7 are symmetrically arranged on the two transverse sides of each sleeper plate 4 along the middle longitudinal line of the rail, and four three-way jacks are symmetrically arranged on each sleeper plate in the embodiment.
The invention discloses a fine adjustment method of an automatic fine adjustment system of a sleeper plate type track structure of an open bridge floor on a steel truss girder, which comprises the following steps:
and S1, roughly paving the rail structure including the sleeper plate 4, the fastener system 3 and the steel rail 2 according to preset precision.
S2, cleaning the hoisting sleeve 10 reserved on two sides of the sleeper plate 4, and installing the connecting screw rod 9 along the hoisting sleeve 10 in a threaded manner. The other end of the connecting screw rod 9 is fixedly installed on the three-way jack 7 bearing platform, a jack control system 8 is assembled on the three-way jack 7, and the jack control system 8 can receive signals through Bluetooth equipment. The three-way jack 7 is arranged on the side face of the steel truss girder sidewalk 6, and does not occupy the operation space of track structure constructors.
And cleaning the surface of the steel rail 2 to ensure that the rail surface of the steel rail is clean and other articles influencing the measuring precision of the track geometric state detector 1, such as concrete blocks, gravel, oil stains, rust blocks and the like, do not exist.
And S3, setting a fine adjustment starting point mileage, a fine adjustment section sleeper plate number and corresponding mileage information in the track geometric state detector 1 before the fine adjustment construction operation starts. The track geometric state detector 1 determines the mileage and the number of the corresponding sleeper plate by recording the rolling turns of the wheels.
S4, installing the track geometric state detector 1 at a fine tuning operation starting point, and pushing the track geometric state detector 1 by a worker to acquire track structure geometric form and position information;
s5, installing the track geometric state detector 1 at a fine tuning operation starting point, pushing the track geometric state detector 1 by a worker to acquire track structure geometric form and position information, and synchronously calculating the geometric form and position deviation of the track structure by the track geometric state detector 1.
And S6, sending the amount to be adjusted corresponding to the sleeper plate 4 to the jack control system 8 through a Bluetooth system.
S7, after receiving the adjustment amount of the corresponding tie plate, the jack control system 8 controls the three-way jack 7 to act, and precisely adjusts the geometric position of the tie plate 4, thereby achieving automatic precise adjustment of the track structure, as shown in fig. 8 to 9.
Preferably, in step S4, the track geometric state detector 1 is used to measure the overall geometric shape and position of the track structure, and completely collect the installation deviation of the steel truss girder main longitudinal girder 5, the sleeper slab 4, the fastener system 3 and the steel rail 2;
in step S5, the amount of adjustment to be made to the track structure is calculated by comparing the standard data with the geometric standard data of the track structure;
in step S6, the amount to be adjusted is combined and transferred to the adjustment of the tie plate.
Preferably, the method further comprises the following steps:
s8, after the fine adjustment of the track structure in the fine adjustment section is finished, fixing the sleeper slab 4 and the steel truss girder main longitudinal girder 5 by using high-strength connecting bolts, and then pouring a concrete cushion layer between the sleeper slab 4 and the steel truss girder main longitudinal girder 5; and after the concrete cushion is stably poured, the three-way jack 7 and the jack control system 8 are disassembled, so that the subsequent fine adjustment interval can be repeatedly utilized.
The connecting screw 9 is arranged on the rail sleeper plate 4 by utilizing the reserved hoisting sleeve 10, and the three-way jack 7 drives the rail sleeper plate 4 to adjust the geometric shape and position through the connecting screw 9. The connecting screw rod 9 and the bearing platform of the three-way jack 7 are fastened and connected through the positioning bolt 16, so that the structure is stable, and the mounting and the dismounting are convenient.
Each sleeper plate 4 is provided with four groups of three-way jacks 7 and jack control systems 8, and two groups of sleeper plates 4 are symmetrically arranged on two sides of each sleeper plate. Under the drive of the jack control system 8, the four groups of three-way jacks 7 synchronously adjust the vertical, horizontal and vertical three-way positions of the sleeper slab 4; the adjustment of the longitudinal position of the rail sleeper plate 4 along the rail is carried out by the longitudinal top braces 14 of the front and rear two groups of three-way jacks, the longitudinal top brace 14 of the three-way jack positioned at one end of the rail sleeper plate 4 is used for adjusting the longitudinal action of the rail sleeper plate 4 along one direction, and the longitudinal top brace 14 of the three-way jack positioned at the other end of the rail sleeper plate 4 is used for adjusting the longitudinal action of the rail sleeper plate along the other direction. The three-way jack vertical top support 13 is responsible for adjusting the vertical position of the rail sleeper slab, and the three-way jack transverse top support 15 is responsible for adjusting the transverse position of the rail sleeper slab. The four groups of three-way jacks 7 act synchronously, so that the damage to the sleeper plate 4 caused by inconsistent jack action is avoided.
After the automatic fine adjustment operation is completed, the sleeper plate 4 and the steel truss girder main longitudinal girder 5 are fixedly connected through the high-strength connecting bolt 11 and the high-strength connecting bolt hole 17, the concrete cushion 12 is poured through a gap between the sleeper plate limiting hole 18 and the steel truss girder main longitudinal girder limiting part, and after the concrete cushion is stably poured, the three-way jack 7 and the control system 8 can be detached, so that the automatic fine adjustment equipment can be reused.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an automatic fine tuning system of open bridge floor sleeper plate track structure on steel longeron which characterized in that:
comprises a track geometric state detector (1), a three-way jack (7) and a jack control system (8);
the track geometric state detector (1) is arranged on a steel rail (2) and used for measuring a rough-paved track structure and acquiring geometric form and position information of the track structure;
a plurality of three-way jacks (7) are arranged between the sleeper plate (4) and the steel truss girder sidewalk (6), and the geometric positions of the sleeper plate (4) are finely adjusted in the vertical, longitudinal and transverse directions of the rail under the synchronous actuation of the jack control system (8).
2. The automatic fine tuning system of the open bridge deck sleeper slab track structure on the steel truss beam as claimed in claim 1, wherein:
the fine adjustment system also comprises a connecting screw rod (9);
the connecting screw rod (9) is arranged on a hoisting sleeve (10) reserved on the side surface of the sleeper plate (4);
the three-way jack (7) is connected with and adjusts the sleeper plate (4) through the connecting screw rod (9).
3. The automatic fine tuning system of the open bridge deck sleeper slab track structure on the steel truss beam as claimed in claim 1, wherein:
and the three-way jack (7) faces one end of the steel truss girder sidewalk (6) and is fixed on the side face of the steel truss girder sidewalk (6) close to the direction of the sleeper plate (4).
4. The automatic fine adjustment system of the open bridge deck sleeper slab track structure on the steel truss girder of claim 2, which is characterized in that:
the three-way jack (7) comprises a bearing platform and is fixedly connected with the connecting screw rod (9) through the bearing platform.
5. The automatic fine adjustment system of the open bridge deck sleeper slab track structure on the steel truss girder of claim 4, which is characterized in that:
the three-way jack (7) further comprises a jack vertical shoring (13), a jack longitudinal shoring (14) and a jack transverse shoring (15) which are connected to the bearing platform and are actuated by the jack control system (8) alone or in combination.
6. The automatic fine tuning system of the open bridge deck sleeper slab track structure on the steel truss beam as claimed in claim 1, wherein:
the three-way jack (7) is detachably connected with the sleeper plate (4) and the steel truss girder sidewalk (6).
7. The automatic fine tuning system of the open bridge deck sleeper slab track structure on the steel truss beam as claimed in claim 1, wherein:
the two transverse sides of each sleeper plate (4) are symmetrically provided with the three-way jacks (7) along the middle longitudinal line of the rail.
8. A fine tuning method of an automatic fine tuning system of a slab track structure of open bridge sleepers on a steel girder according to any one of claims 1 to 7, comprising the steps of:
s1, roughly paving the rail structure including the sleeper plate (4), the fastener system (3) and the steel rail (2) according to preset precision;
s2, cleaning the hoisting sleeves (10) reserved on two sides of the sleeper plate (4), installing a connecting screw rod (9) along the hoisting sleeves (10) in a threaded mode, fixedly installing the other end of the connecting screw rod (9) on a bearing platform of a three-way jack (7), and installing the other end of the three-way jack (7) on the side face of the steel truss girder sidewalk (6); a jack control system (8) is assembled on the three-way jack (7), and the jack control system 8 receives signals through communication equipment;
s3, before the fine adjustment construction operation starts, setting a fine adjustment starting point mileage, a fine adjustment section sleeper plate number and corresponding mileage information in the track geometric state detector (1);
s4, installing the track geometric state detector (1) at a fine adjustment operation starting point, and pushing the track geometric state detector (1) by a worker to acquire track structure geometric form and position information;
s5, the track geometric state detector (1) synchronously calculates the geometric form and position deviation of the track structure;
s6, sending the corresponding sleeper plate (4) to-be-adjusted amount to the jack control system (8) through a communication system;
and S7, after receiving the adjustment quantity of the corresponding sleeper plate, the jack control system (8) controls the three-way jack (7) to act, and accurately adjusts the geometric shape and position of the sleeper plate (4), thereby realizing automatic accurate adjustment of the track structure.
9. The fine tuning method of the automatic fine tuning system of the open bridge deck sleeper slab track structure on the steel truss girder according to claim 8, characterized in that:
in step S4, the track geometry state detector (1) is used to measure the overall geometry of the track structure, and the installation deviation of the steel truss girder main longitudinal beam (5), the sleeper plate (4), the fastener system (3) and the steel rail (2) is completely collected;
in step S5, the amount of adjustment to be made to the track structure is calculated by comparing the standard data with the geometric standard data of the track structure;
in step S6, the amount to be adjusted is combined and transferred to the adjustment of the tie plate.
10. The fine tuning method of an automatic fine tuning system for a slab track structure of open bridge sleepers on a steel truss as claimed in claim 8, further comprising the steps of:
s8, after the fine adjustment of the track structure in the fine adjustment section is finished, fixing the sleeper slab (4) and the steel truss girder main longitudinal beam (5) by using a high-strength connecting bolt, and then pouring a concrete cushion layer between the sleeper slab (4) and the steel truss girder main longitudinal beam (5); and after the concrete cushion is stably poured, the three-way jack (7) and the jack control system (8) are disassembled, so that the subsequent accurate adjustment interval can be repeatedly utilized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864106.9A CN110761133A (en) | 2019-09-12 | 2019-09-12 | Automatic fine adjustment system and method for open bridge deck sleeper plate type track structure on steel truss girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864106.9A CN110761133A (en) | 2019-09-12 | 2019-09-12 | Automatic fine adjustment system and method for open bridge deck sleeper plate type track structure on steel truss girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110761133A true CN110761133A (en) | 2020-02-07 |
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| CN201910864106.9A Pending CN110761133A (en) | 2019-09-12 | 2019-09-12 | Automatic fine adjustment system and method for open bridge deck sleeper plate type track structure on steel truss girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114481722A (en) * | 2022-02-24 | 2022-05-13 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for quickly and accurately adjusting track slab of ballastless track of operating high-speed rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114481722A (en) * | 2022-02-24 | 2022-05-13 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for quickly and accurately adjusting track slab of ballastless track of operating high-speed rail |
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