CN211471995U - Automatic fine adjustment system for open bridge deck sleeper plate type track structure on steel truss girder - Google Patents

Abstract

The utility model discloses an automatic fine-tuning system for a sleeper plate type track structure of a steel truss girder on an open bridge deck, which is characterized by comprising 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 to walk on the steel rail (2), and is used to measure the rough-paved track structure and collect the geometric shape and position information of the track structure; A plurality of said three-way jacks (7) are arranged between ), and under the synchronous actuation of the jack control system (8), the geometrical position of the sleeper plate (4) is tracked vertically, longitudinally and laterally. Fine tuning of direction. The utility model can solve the problems of low precision adjustment efficiency, small adjustment amount and large workload of the existing steel truss girder upper sleeper plate.

Description

A steel truss girder Shangming bridge deck sleeper plate type track structure automatic fine adjustment system

technical field

The utility model belongs to the field of track precision construction, in particular to an automatic fine adjustment system for a sleeper plate type track structure on a steel truss girder on a bridge deck.

Background technique

The large-span steel truss structure is the most commonly used structural type of modern railway bridges. It has the outstanding advantages of simple structure, convenient construction and strong bearing capacity. It is widely used in the construction of ordinary speed railways, high-speed railways and intercity railways. At present, the commonly used track structures of railway steel truss girders at home and abroad include wooden sleeper open bridge deck track, ballast track, synthetic resin sleeper track and sleeper plate structure track.

The wooden sleeper open bridge deck track laid on the traditional steel truss is limited by the fact that the wooden sleeper is prone to decay, mechanical wear and cracking, and the structural life is short; the bridge deck system with ballast track is difficult to inspect and maintain and has a large dead weight; the cost of synthetic resin sleeper track If it is too high, it is not suitable for large-scale laying applications; the sleeper board structure track can improve the stability and durability of the track structure, reduce the maintenance and repair workload, and at the same time reduce the construction height of the track and the constant load of the bridge in the second phase, and reduce the cost of the main bridge project.

The rail of the upper sleeper plate structure of the steel truss girder consists of rails, fasteners, sleeper plates, concrete cushions, high-strength connecting bolts, main longitudinal beams of steel truss girder and other accessories. The sleeper plate is fixedly connected to the main longitudinal beam of steel truss girder through high-strength bolts. A concrete cushion is poured between the main longitudinal beams of the steel truss girder. Most of the existing track fine-tuning systems are designed for ballastless track and ballast track, and there are few fine-tuning methods for the track of the bridge deck sleeper plate structure on the steel truss girder. For the sleeper board structure track laid on the steel truss beam, after the concrete cushion is poured, the track structure fine adjustment mainly depends on the fastener system. This kind of track fine adjustment method has small adjustment amount, large workload and low efficiency.

Utility model content

Aiming at at least one of the above defects or improvement needs of the prior art, the utility model provides an automatic fine adjustment system for the sleeper plate type track structure of the upper open bridge deck of the steel truss girder, which can solve the problem that the fine adjustment efficiency of the upper sleeper plate of the existing steel truss girder is low. , Small adjustment amount, large workload and so on. The track geometric state detector is used to collect the geometric state of the track structure and determine the amount to be adjusted of the sleeper plate. The adjustment amount information is transmitted to the jack control system through a communication system such as Bluetooth. The jack control system drives the three-way jack in real time to accurately adjust the sleeper plate geometry. The automatic fine adjustment of the rail structure of the sleeper plate on the steel truss girder is realized, and the operation efficiency is greatly improved.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an automatic fine adjustment system for the sleeper plate type track structure of a steel truss girder upper exposed bridge deck, wherein:

Including track geometry detector, three-way jack, jack control system;

The track geometric state detector is arranged to walk on the steel rail, and is used to measure the rough paved track structure and collect the geometric shape and position information of the track structure;

A number of the three-way jacks are arranged between the sleeper plate and the steel truss beam sidewalk. Under the synchronous actuation of the jack control system, the geometrical position of the sleeper plate is adjusted in three directions: vertical, longitudinal and transverse. Fine tuning.

Preferably, the fine adjustment system further comprises a connecting screw;

The connecting screw is installed on the hoisting sleeve reserved on the side of the sleeper plate;

The three-way jack is connected and adjusted with the sleeper plate through the connecting screw.

Preferably, the three-way jack faces one end of the steel truss beam sidewalk, and is fixed on the side of the steel truss beam sidewalk in the direction of the sleeper plate.

Preferably, the three-way jack comprises a bearing platform, and the bearing platform is fastened with the connecting screw.

Preferably, the three-way jack further comprises a vertical jack support, a vertical jack support, and a horizontal jack support connected to the platform, which are actuated individually or in combination by the jack control system.

Preferably, the connection between the three-way jack, the sleeper plate and the steel truss beam sidewalk is detachable.

Preferably, the three-way jacks are symmetrically arranged on both lateral sides of each of the sleeper boards along the mid-longitudinal line of the track.

In the utility model, the track geometric state detector measures the track structure roughly laid according to the preset precision, collects the track structure geometric shape and position information, and calculates the amount to be adjusted corresponding to each sleeper plate; The hoisting sleeves reserved on both sides are installed with the connecting screw, and the other end of the connecting screw is fixed on the three-way jack through the positioning bolt; the three-way jack is installed on the side of the steel truss beam sidewalk, The three-way jack is controlled and driven by the control system, and the control system is connected with the track geometric state detector through Bluetooth to obtain the amount to be adjusted of the sleeper plate.

The utility model uses the track geometric state detector to measure the overall geometric shape and position of the track structure, and completely collects the installation deviation of the main longitudinal beam of the steel truss girder, the sleeper plate, the fastener system and the steel rail, and then passes through the geometric shape and position standard of the track structure. Compare the data to calculate the amount to be adjusted for the track structure. The amount to be adjusted is merged and transferred to the adjustment of the sleeper plate, which avoids the batch adjustment of each structure of the track and reduces the workload of fine adjustment of the track structure. The standard of the track geometric state detector is clear, and it is suitable for my country's track construction standards, and does not need to be independently developed for the steel truss girder sleeper plate track structure, which reduces the cost of additional purchase of the overall fine-tuning equipment for the track.

The track geometric state detector transmits the to-be-adjusted amount corresponding to the sleeper plate to the control system through the Bluetooth system, and the control system controls the three-way jack to make corresponding actions, accurately adjusts the geometry of the sleeper plate, and realizes the control of steel. Automatic fine-tuning of sleeper slab structural rails on truss beams.

The three-way jack is fixedly installed on the sidewalk of the steel truss beam on both sides of the track structure, and the connecting screw is installed on the bearing platform of the three-way jack, and the connecting screw is reserved with the sleeper plate through the thread. connection of the lifting sleeve. The three-way jack realizes the precise adjustment of the geometric shape and position of the sleeper plate through the connecting screw. The three-way jack is equipped with the jack control system, and the jack control system receives the geometric shape and position adjustment amount information corresponding to the sleeper plate sent by the track geometric state detector through a bluetooth device.

After the fine adjustment of the track structure is completed, the sleeper plate and the main longitudinal beam of the steel truss girder are fixed with high-strength connecting bolts, and then a concrete cushion is poured between the sleeper plate and the main longitudinal beam of the steel truss girder. After the concrete cushion is stably poured, the three-way jack and the jack control system can be dismantled for reuse.

The above preferred technical features can be combined with each other as long as they do not conflict with each other.

In general, compared with the prior art, the above technical solutions conceived by the present utility model have the following beneficial effects:

1. The steel truss girder open bridge deck sleeper plate type track structure automatic fine adjustment system of the present invention uses the track geometry state detector to collect the track structure geometric state and determine the sleeper plate to be adjusted. Jack control system, the jack control system drives the three-way jack in real time to accurately adjust the geometry of the sleeper plate, realize the automatic fine adjustment of the rail structure of the sleeper plate on the steel truss girder, and greatly improve the operation efficiency.

2. The steel truss girder upper bridge deck sleeper plate type track structure automatic fine adjustment system of the present utility model, the track structure fine adjustment process only needs one operator to push the cable tiger track geometric state detector to realize the measurement of the track structure. The automatic fine adjustment greatly improves the work efficiency of the fine adjustment of the track structure.

3. In the steel truss girder open bridge deck sleeper plate type track structure automatic fine adjustment system of the present invention, the track structure geometric shape and position information collected by the track geometric state detector comprehensively considers the steel truss girder, sleeper plate, fasteners and rails. The installation error of the system is transferred to the sleeper plate for adjustment and compensation, and the surface accuracy of the rail is directly used as the evaluation standard to avoid the influence of installation errors between the various structures of the track system, and at the same time, it reduces the cost of purchasing a complete set of track fine-tuning equipment, reducing the cost of construction costs.

4. The steel truss girder upper bridge deck sleeper plate type track structure automatic fine adjustment system of the present invention, the track geometric state detector is a commonly used and mature product for track testing, has high versatility and complete standard support, and is suitable for my country's track For construction use, the cost of additional procurement of the track fine-tuning system is reduced, and the construction cost is reduced.

5. The steel truss girder upper bridge deck sleeper plate type track structure automatic fine adjustment system of the present invention, the three-way jack is installed on the side of the steel truss girder sidewalk, does not occupy the working space of the track structure construction, and improves the sleeper plate structure of the steel truss girder bridge. The track adjustment amount is small, and it can adapt to the steel truss bridge deck structure of different spans, which has good versatility and reduces the construction cost.

6. The automatic fine adjustment system of the sleeper plate type track structure of the steel truss girder on the open bridge deck of the present invention can remove the three-way jack for repeated use after the fine adjustment construction operation is completed.

7. In the steel truss girder open bridge deck sleeper plate type track structure automatic fine adjustment system of the present invention, the three-way jack adjusts the sleeper plate synchronously, avoiding the damage of the sleeper plate caused by the inconsistent displacement of the three-way jack.

7. The steel truss girder upper bridge deck sleeper plate type track structure automatic fine adjustment system of the present utility model, the track geometric state detector can automatically locate the measured track structure geometry shape and position data according to the measurement mileage and sleeper plate number set before the measurement, through the bluetooth It is directly transmitted to the jack control system, saving a lot of complicated workload caused by manual measurement.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

Fig. 2 is the longitudinal section structure schematic diagram of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

Fig. 3 is the structural schematic diagram of the sleeper plate fine adjustment body of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

Fig. 4 is the top view of the sleeper plate fine adjustment structure of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

Fig. 5 is the longitudinal section schematic diagram of the sleeper plate fine adjustment structure of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

6 is a schematic diagram of the overall structure of the three-way jack and the jack control system of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

Fig. 7 is the top view of the three-way jack and the jack control system of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system of the present invention;

8 is a schematic diagram of the overall structure of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system after the construction of the utility model is completed;

9 is a schematic diagram of the longitudinal section structure of the steel truss girder upper open bridge deck sleeper plate structure track automatic fine adjustment system after the construction of the utility model is completed.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as there is no conflict with each other. The present utility model will be further described in detail below with reference to the specific embodiments.

As a preferred embodiment of the present utility model, as shown in Figs. 1-9, the present utility model provides an automatic fine-tuning system for the sleeper plate type track structure of a bridge deck on a steel truss girder, which includes: a track geometric state detector 1, Three-way jack 7, jack control system 8, connecting screw 9.

As shown in FIG. 2 , the track geometric state detector 1 is arranged to walk on the steel rail 2 , and is used to measure the rough-paved track structure and collect the track structure geometric shape and position information.

As shown in Figures 2-5, a number of the three-way jacks 7 are arranged between the sleeper plate 4 and the steel truss beam sidewalk 6. Under the synchronous actuation of the jack control system 8, the geometric shape of the sleeper plate 4 is adjusted. The position of the track can be finely adjusted in three directions: vertical, vertical and horizontal.

As shown in FIGS. 1-5 , the connecting screw 9 is installed on the hoisting sleeve 10 reserved on the side of the sleeper plate 4 ; the three-way jack 7 is connected through the connecting screw 9 to adjust the sleeper plate 4 .

The three-way jack 7 faces one end of the steel truss beam sidewalk 6 and is fixed to the side of the steel truss beam sidewalk 6 in the direction of the sleeper plate 4 .

The three-way jack 7 includes a bearing platform, which is tightly connected with the connecting screw 9 through the bearing platform. As shown in Figures 6-7, the three-way jack 7 further includes a vertical jack support 13, a vertical jack support 14, and a jack lateral support 15 connected to the platform, which are controlled by the jacks individually or in combination System 8 is activated.

The connection between the three-way jack 7 and the sleeper plate 4 and the steel truss beam sidewalk 6 is detachable, so as to facilitate disassembly and reuse.

The three-way jacks 7 are symmetrically arranged on the lateral sides of each sleeper plate 4 along the longitudinal line of the track. In this embodiment, each sleeper plate is symmetrically provided with four three-way jacks.

The fine adjustment method of the automatic fine adjustment system of the sleeper plate type track structure of the steel truss girder Shangming bridge deck of the utility model comprises the following steps:

S1. Roughly pave the track structure including the sleeper plate 4, the fastener system 3 and the rail 2 according to the preset precision.

S2 , cleaning the lifting sleeves 10 reserved on both sides of the sleeper plate 4 , and installing the connecting screw 9 along the lifting sleeves 10 threadedly. The other end of the connecting screw 9 is fixedly installed on the platform of the three-way jack 7, and the three-way jack 7 is equipped with a jack control system 8, and the jack control system 8 can receive signals through a Bluetooth device. The three-way jack 7 is installed on the side of the steel truss beam sidewalk 6 and does not occupy the working space of the track structure construction personnel.

The surface of the rail 2 is cleaned so that the rail surface is clean and free from other items such as concrete blocks, gravel, oil stains, rust blocks, etc. that affect the measurement accuracy of the track geometric state detector 1 .

S3. Before the fine-tuning construction operation starts, set the fine-tuning starting point mileage, the fine-tuning section sleeper plate number and its corresponding mileage information in the track geometric state detector 1 . The track geometric state detector 1 determines the mileage and the corresponding sleeper plate number by recording the number of wheel rolling circles.

S4. Install the track geometric state detector 1 at the starting point of the fine-tuning operation, and the staff pushes the track geometric state detector 1 to collect track structure geometric shape and position information;

S5. Install the track geometric state detector 1 at the starting point of the fine-tuning operation, and the staff pushes the track geometric state detector 1 to collect the track structure geometric shape and position information, and the track geometric state detector 1 calculates the track structure synchronously geometric deviation.

S6. Send the amount to be adjusted corresponding to the sleeper plate 4 to the jack control system 8 through the Bluetooth system.

S7. After receiving the adjustment amount of the corresponding sleeper plate, the jack control system 8 controls the action of the three-way jack 7 to precisely adjust the geometry of the sleeper plate 4, so as to realize the automatic and precise adjustment of the track structure, such as shown in Figure 8-9.

Preferably, in step S4, the track geometric state detector 1 is used to measure the overall geometry of the track structure, and the installation deviations of the main longitudinal beam 5 of the steel truss girder, the sleeper plate 4, the fastener system 3 and the rail 2 are completely collected. ;

In step S5, calculate the to-be-adjusted amount of the track structure by comparing with the track structure geometry standard data;

In step S6, the amount to be adjusted is combined and transferred to the adjustment of the sleeper plate.

Preferably, it also includes the following steps:

S8. After the fine adjustment of the track structure in the fine adjustment section, use high-strength connecting bolts to fix the sleeper plate 4 and the main longitudinal beam 5 of the steel truss girder, and then fix the sleeper plate 4 and the main longitudinal beam 5 of the steel truss girder between the sleeper plate 4 and the main longitudinal beam 5 of the steel truss girder. The concrete cushion layer is poured between them; after the concrete cushion layer is poured stably, the three-way jack 7 and the jack control system 8 are removed to realize the reuse of the subsequent fine adjustment interval.

The connecting screw 9 is installed on the sleeper plate 4 by using the reserved lifting sleeve 10 , and the three-way jack 7 drives the sleeper plate 4 to adjust the geometry through the connecting screw 9 . The connecting screw 9 and the bearing platform of the three-way jack 7 are tightly connected by the positioning bolts 16, and the structure is stable and easy to install and disassemble.

Each of the sleeper boards 4 is equipped with four sets of the three-way jacks 7 and the jack control systems 8 , two sets of which are symmetrically arranged on both sides of the sleeper board 4 . Driven by the jack control system 8, the four groups of the three-way jacks 7 synchronously adjust the vertical, horizontal, vertical, and three-direction positions of the sleeper plate 4; The three-way jack longitudinal support 14 is responsible for the three-way jack longitudinal support 14 located at one end of the sleeper plate 4 is responsible for adjusting the longitudinal movement of the sleeper plate 4 in one direction, and the three-way vertical support located at the other end of the sleeper plate 4 The jack longitudinal support 14 is responsible for adjusting the longitudinal movement of the sleeper plate in another direction. The three-way jack vertical support 13 is responsible for adjusting the vertical position of the sleeper board, and the three-way jack lateral support 15 is responsible for adjusting the horizontal position of the sleeper board. The four groups of the three-way jacks 7 all act synchronously, so as to avoid damage to the sleeper plate 4 caused by inconsistent functions of the jacks.

After the above automatic fine adjustment operation is completed, the sleeper plate 4 and the steel truss girder main longitudinal beam 5 are fixedly connected by using high-strength connecting bolts 11 and high-strength connecting bolt holes 17 , and the sleeper plate limiting hole 18 and the steel truss girder main longitudinal beam are fixedly connected. A concrete cushion 12 is poured into the gap between the stoppers. After the concrete cushion is stably poured, the three-way jack 7 and the control system 8 can be removed to realize the reuse of the automatic fine adjustment equipment.

Those skilled in the art can easily understand that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and replacements made within the spirit and principles of the present invention Improvements, etc., should be included within the protection scope of the present invention.

Claims (7)

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.

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