CN218756798U - Sleeper replacing vehicle and combined sleeper replacing unit - Google Patents

Abstract

The embodiment of the application provides a sleeper replacement vehicle and a combined sleeper replacement unit, wherein the sleeper replacement vehicle comprises a replacement vehicle frame and a sleeper transport trolley, an upper layer of transport belt and a lower layer of transport belt are arranged above the replacement vehicle frame, and the sleeper transport trolley moves horizontally and/or vertically on the replacement vehicle frame; and a movable pillow-changing trolley capable of moving horizontally is arranged below the frame of the pillow-changing trolley. The sleeper replacement vehicle and the combined sleeper replacement unit provided by the embodiment of the application can finish sleeper replacement operation without destroying old sleepers, do not need track lifting or track shifting actions, and are suitable for the technical field of railway line maintenance.

Description

Sleeper replacing vehicle and combined sleeper replacing unit

Technical Field

The application relates to a railway line maintenance technology, in particular to a sleeper replacement vehicle and a combined sleeper replacement unit.

Background

The operation of trading pillow in succession of old and old circuit in foreign country at present mainly adopts large-scale rail of trading to trade pillow equipment and is under construction, and these equipment operating line are long, bulky, and work efficiency is low, and construction organization difficulty, and the operation is consuming time longer, parks the difficulty.

Besides the large-scale equipment, the railway sleeper-changing machine which is formed by transforming a small excavator with a multifunctional sleeper grabbing device is mostly adopted for construction in China. The single operation efficiency is not high, and a plurality of machines can be spread to simultaneously operate, so that the requirement on the operation efficiency can be flexibly met. The mode can not transport the sleeper once, at least needs to organize three times of construction specially to complete the replacement of the sleeper completely, and the construction organization is difficult, the personnel demand is large, and the potential safety hazard is large.

The sleeper replacing equipment such as a sleeper replacing machine reconstructed by a large-scale rail replacing sleeper replacing equipment or a small excavator in the market at present has the following defects: during construction, the track lifting or track shifting action cannot be avoided, and the bed track and the steel rail can be damaged; the sleeper replacement in a short distance can be realized at one time, and a new sleeper needs to be frequently conveyed and an old rail needs to be output to meet the construction requirement, so that the construction efficiency is low; two sets of equipment are required to be respectively arranged aiming at laying of new pillows and recycling of old pillows, so that the cost is increased and the length of the whole set of pillow replacement equipment is increased; because the existing pillow replacing equipment is mostly a complete working production line, the construction has to be stopped as long as one of the links breaks down, and the operation can be continued after the links with problems are maintained, so that the construction progress is delayed.

Disclosure of Invention

In order to solve one of the technical defects, the embodiment of the application provides a sleeper replacing vehicle and a combined sleeper replacing unit.

An embodiment of the first aspect of the present application provides a sleeper replacement vehicle, including: the sleeper conveying trolley is characterized by comprising a replacing trolley frame and a sleeper conveying trolley, wherein an upper layer conveying belt and a lower layer conveying belt are arranged above the replacing trolley frame, and the sleeper conveying trolley moves horizontally and/or vertically on the replacing trolley frame; and a movable pillow-changing trolley capable of moving horizontally is arranged below the frame of the pillow-changing trolley.

According to another aspect of the embodiment of the application, a combined sleeper replacement unit is provided, which comprises a sleeper conveying vehicle and a plurality of sleeper replacement vehicles which are connected in sequence; the tie transfer car is used to transfer new ties to the tie replacement car and to retrieve old ties.

The sleeper replacement vehicle and the combined sleeper replacement unit provided by the embodiment of the application have the following advantages

Has the beneficial effects that:

the sleeper replacement vehicle with the sleeper circulating system has the upper layer conveying belt and the lower layer conveying belt, can bear more new sleepers for sleeper replacement operation, and can be matched with the lifting mechanism, the sleeper conveying trolley and the lifting flat conveying belt, so that circulation of new and old sleepers in the sleeper replacement vehicle with the sleeper circulating system is realized, two sets of equipment for laying the new sleepers and recycling the old sleepers are not required to be arranged, the cost is saved, and the length/volume of the whole equipment is reduced; and the method does not need to frequently transport new sleepers and output old sleepers, greatly saves the transport cost and increases the construction efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a sleeper replacement vehicle with a sleeper circulating system according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a combined sleeper replacement unit according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a sleeper truck according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a power vehicle according to an embodiment of the present application;

in the figure: the sleeper conveying vehicle comprises a sleeper conveying vehicle 1, a sleeper replacing vehicle 2 with a sleeper circulating system, a power vehicle 3, a transmission conveying belt 11, a special flat vehicle 12, a hoisting transport vehicle 14, a lifting guide pillar 15, a sliding platform 16, a vehicle replacing vehicle frame 21, a lap joint center plate 13 and a lap joint center plate 23, an upper conveying belt 24, a lower conveying belt 25, a sleeper conveying trolley 26, a folding lifting conveying belt 27, a movable sleeper replacing trolley 28, an operation room 41, a grasping arm 42, a pneumatic wrench 43, a lifting supporting plate 44, a traction beam 31, a rest room 32, a power room 33, an operation cab 34, a vehicle frame 35 and bogies 22 and 36.

Detailed Description

In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the following description of the exemplary embodiments of the present application with reference to the accompanying drawings is made in further detail, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all the embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In this embodiment, the direction along which the rail extends is set to be a longitudinal direction, the direction perpendicular to the direction in which the rail extends is set to be a lateral direction, the direction perpendicular to the lateral direction and the longitudinal direction is set to be a vertical direction, and the traveling direction during the mechanical work is set to be a forward direction.

In the process of realizing the application, the inventor finds that the sleeper changing equipment such as a large rail sleeper changing equipment or a sleeper changing machine modified by a small excavator in the market has the following defects: the track lifting or shifting action is inevitable during construction, and the bed track and the steel rail can be damaged; the sleeper replacement in a short distance can be realized at one time, and a new sleeper needs to be frequently conveyed and an old rail needs to be output to meet the construction requirement, so that the construction efficiency is low; two sets of equipment are required to be respectively arranged aiming at laying of new pillows and recycling of old pillows, so that the cost is increased and the length of the whole set of pillow replacement equipment is increased; because most of the existing pillow replacing equipment is a complete working production line, construction has to be stopped as long as one link fails, and operation can be continued after the links with problems are maintained, so that the construction progress is delayed.

In view of the above problems, the embodiment of the present application provides a tie replacement vehicle with a tie circulation system, as shown in fig. 1, which includes a replacement vehicle frame 21 and a tie transporting trolley 26, wherein the replacement vehicle frame 21 serves as a base frame for providing a mounting interface for various components. The bottom of the frame 21 of the replacement vehicle is provided with a bogie for providing running.

Above the carriage 21 of the change-over vehicle there is an upper conveyor belt 24 and a lower conveyor belt 25, on which the tie-handling carriage 26 can be moved horizontally and/or vertically for transferring the ties between the locations where the ties are stored and the conveyor belts.

A movable sleeper-changing trolley 28 which horizontally moves along the front-back direction is arranged below the frame 21 of the sleeper-changing trolley, and the movable sleeper-changing trolley 28 is used for removing an old sleeper and transferring the old sleeper to a corresponding conveying belt, and placing a new sleeper conveyed by the conveying belt in place. Specifically, the movable bolster replacing trolley 28 can be driven forwards and backwards along the inner side of the I-shaped beam of the replacing vehicle frame 21.

According to the technical scheme provided by the embodiment, a replacing vehicle frame and a sleeper transport trolley are adopted, an upper layer conveyor belt and a lower layer conveyor belt are arranged above the replacing vehicle frame, and the sleeper transport trolley moves horizontally and/or vertically on the replacing vehicle frame and is used for transporting sleepers; a movable sleeper-changing trolley capable of moving horizontally is arranged below the frame of the sleeper-changing trolley, rail changing operation is carried out, and the movable sleeper-changing trolley is matched with the conveying belt to transfer new and old sleepers. The technical scheme that this embodiment provided adopts a sleeper to change the car and just can realize the change and the transportation of sleeper, and the efficiency of construction is higher, and can be under construction in succession.

On the basis of the technical scheme, the front end above the frame 21 of the vehicle is provided with a lifting mechanism. The upper rear end of the replacing vehicle frame 21 is provided with a folding lifting conveying belt 27, the sleeper transport trolley 26 can vertically lift in the lifting mechanism, and the sleeper transport trolley 26 can horizontally move on the replacing vehicle frame 21.

A lifting flat plate conveyer belt 44 is arranged at the end of the framework of the movable pillow changing trolley 28. The lift plate conveyor 44 is raised to interface with the tie transport cart 26 and the tie transport cart 26 may be raised to interface with the upper conveyor 24 to enable the tie to be transferred between the tie transport cart 26 and the upper conveyor 24 or lowered to interface with the lower conveyor 25 to enable the tie to be transferred between the tie transport cart 26 and the lower conveyor 25.

Further, the upper layer conveying belt 24 and the lower layer conveying belt 25 are of a two-side chain supporting plate structure, and the forward or backward pushing of the sleepers can be achieved through the forward and reverse rotation of the chains.

Further, the movable sleeper-changing trolley 28 comprises an operation chamber 41, a gripping arm 42 and a pneumatic wrench 43, wherein the gripping arm 42 is provided with two output ends, a scraping plate and a gripper are respectively arranged on the two output ends, the gripping arm 42 further comprises an arm support and a hydraulic device, and the gripper is driven by hydraulic power to grip a sleeper. The scraper blade is used for scraping off a rubber pad and a railway ballast on the surface of the sleeper. The pneumatic wrench 43 is used to grab the sleeper fastener for removal and installation.

As shown in fig. 2 to fig. 4, the present embodiment further provides a combined tie replacement set, which includes a tie conveying vehicle 1, a plurality of tie replacement vehicles 2, and a power vehicle 3 for providing traction, which are connected in sequence. The tie changing car 2 may be implemented using any of the above.

The sleeper conveying vehicle 1 comprises a special flat vehicle 12, a sliding platform 16 is arranged at the front end of the special flat vehicle 12, a lifting guide pillar 15 is arranged at the rear end of the special flat vehicle 12, a conveying belt 11 is arranged on the sliding platform 16 and the lifting guide pillar 15, one end of the conveying belt 11 can horizontally slide on the sliding platform 16, the other end of the conveying belt 11 can vertically lift through the lifting guide pillar 15, and a hoisting transport vehicle 14 is further arranged on the special flat vehicle 12; the motor vehicle 3 includes a traction shaft 31, a rest room 32, a power room 33, a running cab 34, a vehicle frame 35, and a bogie 36.

Furthermore, the combined sleeper replacement unit further comprises a sleeper transport vehicle, wherein a walking rail is arranged on the sleeper transport vehicle, a walking rail is also arranged on the special flat vehicle 12, the sleeper transport vehicle is connected with the sleeper transport vehicle 1 in a hanging mode, the walking rails of the two vehicles are connected, walking driving wheels are arranged below the hoisting transport vehicle 14, and the hoisting transport vehicle 14 moves horizontally on the walking rails of the sleeper transport vehicle and the sleeper transport vehicle 1 through the walking driving wheels.

Furthermore, the power vehicle 3 is used for providing unit traction power, a braking air source, a complete machine power supply and a complete machine operation control system.

Furthermore, the lapping center plate 13 of the sleeper transport vehicle 1 is connected with the front lapping center plate 23 of the sleeper replacement vehicle 2 with the sleeper circulating system to complete lapping of the two vehicles, and the sleeper transport vehicle 1 and the sleeper replacement vehicle 2 with the sleeper circulating system share one bogie 22; between the sleeper replacement vehicles 2 of a plurality of sections of sleeper replacement vehicles with sleeper circulating systems, a front lap joint center plate 23 of a rear vehicle is connected with a rear lap joint center plate of a front vehicle to complete lap joint of the two vehicles, and each vehicle and the front vehicle share a front bogie 22; the sleeper replacement vehicle 2 with the sleeper circulating system is connected with the power vehicle 3 through the rear lap joint core plate 23, the power vehicle 3 is provided with two groups of bogies 36 independently.

The embodiment also provides an operation mode of the combined sleeper replacement unit, which comprises the following steps:

s1, pillow filling: hoisting the sleepers in the special sleeper transportation vehicle to the transfer conveyer belt 11 by using a hoisting and transporting vehicle 14;

s2, transporting the pillow: operating the lifting guide pillar 15 to lift or lower the right end of the transfer conveyer belt 11 to be level with the upper layer conveyer belt 24 or the lower layer conveyer belt 25, synchronously operating the transfer conveyer belt 11 and the upper layer conveyer belt 24 or the lower layer conveyer belt 25, and conveying sleepers on the transfer conveyer belt 11 onto the upper layer conveyer belt 24 or the lower layer conveyer belt 25 until the number of the sleepers loaded on the upper layer conveyer belt 24 or the lower layer conveyer belt 25 meets the operation requirement;

s3, replacing the new pillow: the sleeper replacement vehicle 2 with the sleeper circulating system moves to a road section to be constructed under the traction of the power vehicle 3, the lower layer conveying belt 25 conveys a new sleeper 46 to a sleeper transport trolley 26, the sleeper transport trolley 26 vertically descends to a replacement vehicle frame 21 through a lifting mechanism and then horizontally moves to the end of a framework of the movable sleeper replacement trolley 28, the sleeper transport trolley 26 conveys the new sleeper 46 to a lifting flat plate conveying belt 44, the lifting flat plate conveying belt 44 vertically descends to a proper height, the movable sleeper replacement trolley 28 takes out an old sleeper 45 from an operation road section and places the old sleeper on the lifting flat plate conveying belt 44, the movable sleeper replacement trolley 28 continuously grabs the new sleeper 46 and completes the installation of the new sleeper 46, and drives the movable sleeper replacement trolley 28 to a next sleeper replacement position;

s4, storing the old pillow: while the new sleepers 46 are installed, the lifting flat conveyor belt 44 vertically ascends and conveys the old sleepers 45 to the sleeper transport trolley 26, the sleeper transport trolley 26 vertically ascends to the upper layer conveyor belt 24 after horizontally moving to the lifting mechanism, and the sleeper transport trolley 26 vertically descends to the lower layer conveyor belt 25 after conveying the old sleepers 45 to the upper layer conveyor belt 24; meanwhile, the folding lifting conveyor belt 27 vertically rises to the upper layer conveyor belt 24 and receives a new sleeper pushed out from the upper layer conveyor belt 24, and the folding lifting conveyor belt 27 vertically falls to the lower layer conveyor belt 25 and conveys the new sleeper onto the lower layer conveyor belt 25;

s5, repeating the steps S3-S4, and executing the step S6 if the construction road section completes the sleeper changing operation; if the old sleeper is fully piled on the lower layer conveying belt 25, S7 is executed;

s6, sending an instruction to the tractor 3, enabling the tractor 3 to move forward by the distance of the sleeper group, and continuing to execute the step S5 until the sleeper changing operation of the whole construction section is completed;

and S7, reversely transporting the old sleepers on the sleeper replacement vehicle with the sleeper circulating system to the sleeper transport vehicle 1 for uniform recovery, and after the old sleepers are unloaded by the sleeper transport vehicle 1 through the hoisting transport vehicle 14, executing the steps S1, S2 and S5.

Further, in the step S3, the sleeper replacement trolley 28 is moved to take out the old sleeper 45 and install the new sleeper 46, specifically: a worker is positioned in the operation room 41 to operate and complete the sleeper replacement operation, the pneumatic wrench 43 is operated to loosen a sleeper fastener, the gripping arm 42 is operated to adjust a certain angle so that the scraper contacts ballast, the ballast in the sleeper box is scraped and gathered backward by the scraper of the gripping arm 42 until a deep pit which can be used for taking out the sleeper is formed, the gripping arm 42 is operated to rotate a certain angle so that the center line of the gripping arm 42 is over against the center line of the old sleeper 45, the gripping arm 42 is adjusted to vertically move through a hydraulic device so that the gripper of the gripping arm 42 clamps the old sleeper 45 to be replaced, the swing angle of the gripper of the gripping arm 42 is operated to move the old sleeper 45 left and right and rotate so that the old sleeper 45 is not vertically interfered with a steel rail, and the old sleeper 45 is lifted and placed at the front end of the lifting flat conveyer belt 44; the gripper arm 42 is adjusted to grip a new tie 46 on the lifting plate conveyor 44, rotated through an angle that does not vertically interfere with the new tie 46 and the rail, and the new tie 46 is placed in the pit scraped by the gripper arm blade and the new tie 46 is then rotated.

Further, in the step S2, when a new sleeper 46 is transported from the sleeper transport vehicle 1 to the sleeper replacement vehicle 2 with the sleeper circulating system, the sleeper transport trolley 26 is moved between the upper layer transport belt 24 or the lower layer transport belt 25 and the transfer transport belt 11 by the lifting platform inside the lifting mechanism, and serves as a transition connection section between the upper layer transport belt 24 or the lower layer transport belt 25 and the transfer transport belt 11, and the sleeper transport trolley 26 stays at the lower layer transport belt 25 after the lower layer transport belt 25 completes the transportation of the new sleeper 46 to wait for a next command.

Further, in the step S2, when a new sleeper needs to be transported on the plurality of sections of sleeper replacement vehicles 2 with the sleeper circulating system, only the rail transport trolleys 26 at the front ends and the folding lifting conveyor belts 27 at the rear ends of all the sleeper replacement vehicles 2 with the sleeper circulating system need to be adjusted to be aligned with the upper conveyor belts 24 or the lower conveyor belts 25 respectively to form complete sleeper conveyor belts for connecting the sleeper transport vehicle 1 to the last sleeper replacement vehicle 2 with the sleeper circulating system, the conveyor belts are started to push the new sleepers back one by one after all the sleeper replacement vehicles 2 are aligned with the upper conveyor belts 24 or the lower conveyor belts 25, the upper conveyor belts 24 of the last sleeper replacement vehicle 2 with the sleeper circulating system are stopped after the last sleeper replacement vehicle 2 with the sleeper circulating system is filled, and the conveyor belts are stopped after the last sleeper replacement vehicle 2 with the sleeper circulating system is filled up one by one, until the first sleeper replacement vehicle 2 with the sleeper circulating system is filled up.

Further, in the step S1, the sleeper transport vehicle 1 may also be driven to a storage yard where sleepers are stacked, and the sleepers in the storage yard are hoisted to the transfer conveyor 11 by the hoisting transport vehicle 14.

Further, the folding elevating conveyor belt 27 needs to be folded back when the vehicle is running to avoid interference of the rotation of the conveyor belt when the vehicle is bent over.

During the concrete implementation, after receiving the operation plan of trading the pillow, drive the goods yard that the sleeper was stacked with sleeper conveying vehicle 1, on hoisting the sleeper of goods yard to transmission conveyer belt 11 through hoist and mount transport vechicle 14, or link the sleeper transportation special-purpose vehicle behind the unit, hoist the sleeper in the sleeper transportation special-purpose vehicle to transmission conveyer belt 11 through hoist and mount transport vechicle 14 on.

After the sleeper transport vechicle is connected with the sleeper transport vechicle in this application, the walking track of two cars meets, and the hoist and mount transport vechicle removes and hoists the sleeper on the sleeper transport vechicle to the transmission conveyer belt on walking the shape track, makes the sleeper transport vechicle need not frequently to transport the sleeper back and forth in the goods yard and the construction site that the sleeper was stacked, has practiced thrift the cost of transportation new and old sleeper further.

Connecting a sleeper transfer vehicle 1 fully loaded with new sleepers 46 with a sleeper replacement vehicle 2 with a sleeper circulating system, lifting the lifting guide pillars 15, lifting one end of the transfer conveyor belt 11 to the same height as the upper layer conveyor belt 24 under the action of the lifting guide pillars 15, horizontally sliding the other end of the transfer conveyor belt 11 in the sliding platform 16, synchronously rotating the transfer conveyor belt 11 and the upper layer conveyor belt 24 clockwise, conveying the new sleepers 46 to the upper layer conveyor belt 24 until the number of the new sleepers 46 loaded on the upper layer conveyor belt 24 meets the operation requirement, lowering the lifting guide pillars 15, lowering one end of the transfer conveyor belt 11 to the same height as the lower layer conveyor belt 25 under the action of the lifting guide pillars 15, horizontally sliding the other end of the transfer conveyor belt 11 in the sliding platform 16, synchronously rotating the transfer conveyor belt 11 and the lower layer conveyor belt 25 clockwise, conveying the new sleepers 46 to the lower layer conveyor belt 25 until the number of the new sleepers 46 loaded on the lower layer conveyor belt 25 meets the operation requirement;

in order to cooperate with the double-layer conveying belt structure of the sleeper replacement vehicle with the sleeper circulating system, the conveying belt on the sleeper conveying vehicle can lift up or descend one end under the action of the lifting guide pillar, and the other end of the conveying belt horizontally slides in the sliding platform.

Specifically, the new and old sleepers should be loaded in the vacant positions during the operation of the sleeper transport trolley 26, so that the sleepers cannot be arranged in the new and old sleepers during the transshipment, and after the loading is finished, the sleepers are pressed and locked on the conveying belt by using a special pressing device, and the whole process is controlled by a program and does not need or only needs a small amount of manual intervention.

Specifically, when a new sleeper 46 is transported from the sleeper transport vehicle 1 to the sleeper replacement vehicle 2 with the sleeper circulating system, the sleeper transport trolley 26 moves between the upper layer conveyor belt 24 or the lower layer conveyor belt 25 and the transfer conveyor belt 11 through a lifting platform inside the lifting mechanism and serves as a transition connecting section between the upper layer conveyor belt 24 or the lower layer conveyor belt 25 and the transfer conveyor belt 11, and the sleeper transport trolley 26 stays at the lower layer conveyor belt 25 after the lower layer conveyor belt 25 finishes transporting the new sleeper 46 to wait for a next command;

before operation, a sleeper conveying vehicle 1, a plurality of sleeper replacement vehicles 2 with sleeper circulating systems and power vehicles 3 are organized into groups. The sleeper replacement vehicle 2 with the sleeper circulation system moves to a road section to be constructed under the traction of the power vehicle 3, the lower layer conveying belt 25 rotates anticlockwise to move the new sleeper 46 to the sleeper transport trolley 26 staying on the lower layer conveying belt, the lifting platform in the lifting mechanism enables the sleeper transport trolley 26 to descend to the plane of the replacement vehicle frame 21, the running driving wheels under the sleeper transport trolley 26 are operated to enable the sleeper transport trolley 26 to longitudinally move to the end of the framework of the movable sleeper transport trolley 28 and butt with the raised lifting flat plate conveying belt 44, and the new sleeper 46 is pushed to the rear end of the lifting flat plate conveying belt 44 through the running conveying belt 44. The lifting flat plate conveyor belt 44 vertically descends to a proper height, the movable sleeper-changing trolley 28 starts sleeper-changing operation, an old sleeper 45 is taken out from an operation section and placed at the front end of the lifting flat plate conveyor belt 44, the movable sleeper-changing trolley 28 grabs a new sleeper 46 and completes installation of the new sleeper 46, when the movable sleeper-changing trolley 28 is installed with the new sleeper 46, the lifting flat plate conveyor belt 44 on which the old sleeper 45 is placed vertically moves upwards and is butted with a sleeper transport trolley 26 staying at the end of the framework of the movable sleeper-changing trolley 28, the old sleeper 45 is stacked on the sleeper transport trolley 26, a traveling driving wheel under the sleeper transport trolley 26 is operated, the sleeper transport trolley 26 is moved to a lifting platform in the lifting mechanism, the sleeper transport trolley 26 is lifted to the same height as the upper layer conveyor belt 24 through the lifting platform in the lifting mechanism, the conveyor belt on the sleeper transport trolley 26 and the upper layer conveyor belt 24 are synchronously rotated clockwise, and the old sleeper 45 is transported to the upper layer conveyor belt 24; meanwhile, the folding lifting conveyor belt 27 is unfolded and lifted to be flush with the upper-layer conveyor belt 24, the pushed new sleepers on the upper-layer conveyor belt 24 are received by the folding lifting conveyor belt 27, the folding lifting conveyor belt 27 is lowered to be flush with the lower-layer conveyor belt 25, meanwhile, the folding lifting conveyor belt 27 and the lower-layer conveyor belt 25 are rotated anticlockwise, and the new sleepers on the folding lifting conveyor belt 27 are pushed into the lower-layer conveyor belt 25 to supplement the number of the new sleepers on the lower-layer conveyor belt 25; the mobile tie changing trolley 28 is moved forward to the next tie changing position and the tie transfer trolley 26 is moved to the lower conveyor 25 ready to begin the next cycle. And finishing replacement circulation of a group of new and old sleepers, repeating the steps until the sleeper replacement operation is finished in the construction section or the old sleepers are fully piled on the lower layer conveying belt 25, stopping construction, and recovering the old sleepers and supplementing the new sleepers on the sleeper replacement vehicle 2 with the sleeper circulation system.

The sleeper replacing vehicle with the sleeper circulating system has the upper layer conveying belt and the lower layer conveying belt, can bear more new sleepers for sleeper replacing operation, and can be matched with the lifting mechanism, the sleeper conveying trolley and the lifting flat conveying belt, so that the circulation of new and old sleepers in the sleeper replacing vehicle with the sleeper circulating system is realized, two sets of equipment for laying the new sleepers and recovering the old sleepers are not required to be arranged, the cost is saved, and the length/volume of the whole equipment is reduced; and the method does not need to frequently transport new sleepers and output old sleepers, greatly saves the transport cost and increases the construction efficiency.

Specifically, when the movable bolster replacing trolley 28 is in construction, a worker is located in the operation room 41 to operate and complete the bolster replacing operation: operating the pneumatic wrench 43 to loosen the sleeper fastener, operating the grabbing arm 42, adjusting a certain angle to enable the scraper plate to contact the railway ballast, and scraping and gathering the railway ballast in the sleeper box backwards by using the scraper plate of the grabbing arm 42 until a pit which can be used for taking out the sleeper is formed; the grabbing arm 42 is operated to rotate by a certain angle, the central line of the grabbing arm 42 is opposite to the central line of an old sleeper 45, the grabbing arm 42 is adjusted to vertically move through a hydraulic device, the gripper of the grabbing arm 42 clamps the old sleeper 45 needing replacing, the swing angle of the gripper of the grabbing arm 42 is operated, the old sleeper 45 is moved left and right and rotates, the old sleeper 45 is vertically prevented from interfering with a steel rail, the old sleeper 45 is lifted and placed at the front end of the lifting flat plate conveying belt 44, when the gripper is stacked, the old sleeper 45 is stacked in the front, and the new sleeper 46 is placed in the rear, so that the gripper can be used conveniently; and adjusting the grippers of the gripping arms 42 to enable the grippers to grip a new sleeper 46 on the lifting flat conveyer belt 44, rotating the grippers to adjust a certain angle to enable the new sleeper 46 not to vertically interfere with the steel rail, putting the new sleeper 46 into a deep pit scraped by a scraper of the gripping arms, rotating the new sleeper 46, and manually operating the pneumatic wrench 43 to install a fastener for the new sleeper 46. After the replacement of a new or old sleeper group is completed, the movable sleeper replacement trolley 28 is operated to move forwards to the next sleeper replacement position, and the steps are repeated.

The removal on the sleeper replacement car of taking sleeper circulation system from in this application trades the pillow dolly when trading the pillow operation, through the mutually supporting of air wrench, the scraper blade, tongs, hydraulic means etc, need not to destroy old sleeper and can take out old sleeper, and install new sleeper, need not rise the way or dial the way action, it is less to the deformation or the atress influence of rail, the safe risk is less during the construction operation, the linear maintenance of circuit is better, the circuit can supply the operation car to walk around the operation area, it is shorter to receive and release the car time.

Specifically, the whole machine operation control system is in program control work. The functions of loading new sleepers and unloading old sleepers for the whole vehicle and the function of circularly selecting sleepers in a single machine can be at least realized through the sleeper conveying vehicle; the new and old pillows rotate clockwise or counterclockwise to replace the function.

Specifically, every several sleepers are a set of, and after having changed a set of sleeper, the staff sends the instruction to tractor 3, and tractor 3 advances the distance of this set of sleeper to the sleeper replacement car 2 who takes the sleeper circulation system carries out the change of next a set of old sleeper. As a preferred scheme, the length of the sleeper replacement vehicle 2 with the sleeper circulation system can be covered by completing the replacement of two groups of track panels in a design state. And after the sleeper in the whole vehicle range is completely replaced, the power vehicle 3 moves forward to the next vehicle length range for operation. One work point can perform work in a plurality of vehicle length ranges. According to the workload demand provided by the owner, the number of sections of the sleeper replacement vehicle 2 with the sleeper circulation system required to be used can be predicted in advance so as to meet the demand of the operation efficiency on the same day.

If the sleeper replacement vehicle 2 with the sleeper circulating system occupies 5 sleeper spaces, the movable sleeper replacement trolley 28 can move forwards for 5 sleeper spaces. When each sleeper replacement vehicle 2 with the sleeper circulating system finishes replacing 5 sleepers, the whole machine operation control system informs the main machine one by one, after the main machine collects all the finished operations, the whole machine forwards runs 5 steel rails to cross the finished operation area, the movable sleeper replacement trolley 28 of the sleeper replacement vehicle 2 with the sleeper circulating system retreats to the starting point of the rail, and 5 sleepers which are not finished before are continuously dried. The whole machine can complete the operation range of one vehicle length by one step. Therefore, the one-time operation length can be satisfied by increasing or decreasing the number of the sleeper replacement vehicles 2 with the sleeper circulation system according to the requirement. The whole machine in one operation skylight can complete the operation distance of a plurality of vehicle lengths.

Adopt the multisection to change the car from the sleeper of taking the sleeper circulation system in this application and trade the pillow operation in step, the operation mileage requirement of different length in the same time can be realized from the combination of the sleeper of taking the sleeper circulation system to change the car through a plurality of sections, each section is from the sleeper of taking the sleeper circulation system to change the car independent work and do not influence each other, accomplish the new sleeper cloth in the region separately and put and the old pillow recovery work, once can realize that longer distance's sleeper is changed, and the damage of the sleeper of taking the sleeper circulation system from the sleeper of single section can not lead to the fact the influence to other sleeper of taking the sleeper circulation system to change the car, the influence of the efficiency of construction of equipment trouble to the unit has been reduced to the at utmost.

Specifically, the vehicle 3 includes a traction shaft 31, a rest room 32, a power room 33, an operating cab 34, a vehicle frame 35, and a bogie 36. Before operation, the power vehicle 3, the sleeper replacement vehicle 2 with a sleeper circulating system and the sleeper conveying vehicle 1 are connected through a traction shaft 31 to form a vehicle group. During work, the group is pulled to the work area by the power vehicle 3. The sleeper replacement vehicle 2 with the sleeper circulating system operates the old sleeper. After replacing a set of sleepers, the movable sleeper replacement trolley 28 gives an instruction to the power vehicle 3. The power vehicle 3 pushes the whole vehicle to move forward by a group of sleeper distances. After the vehicle range is changed, the power vehicle 3 advances the entire distance.

Specifically, when a plurality of sleeper replacement vehicles 2 with sleeper circulation systems are connected in a vehicle group, new sleepers are transported to all the sleeper replacement vehicles 2 with the sleeper circulation systems, only the front-end sleeper transport trolleys 26 and the rear-end folding lifting conveyor belts 27 of all the sleeper replacement vehicles 2 with the sleeper circulation systems are required to be adjusted to be aligned with the upper-layer conveyor belts 24 or the lower-layer conveyor belts 25 respectively to form complete sleeper conveyor belts for connecting the sleeper transport vehicles 1 to the last sleeper replacement vehicle 2 with the sleeper circulation systems, the conveyor belts are started to push the new sleepers back one by one after all the sleeper replacement vehicles are aligned with the upper-layer conveyor belts 24, the upper-layer conveyor belts 24 of the last sleeper replacement vehicle 2 with the sleeper circulation systems are stopped after the last sleeper replacement vehicle 2 with the sleeper circulation systems are filled, and the conveyor belts are stopped after the last sleeper replacement vehicle 2 with the sleeper circulation systems is filled one by one, and the first sleeper replacement vehicle 2 with the sleeper circulation systems is filled with the new sleepers. Similarly, when it is desired to unload and retrieve old ties from a tie changing vehicle 2 having a tie recycling system with multiple sections, the transfer is also reversed using the method described above.

According to the sleeper conveying trolley and the folding lifting conveying belt, when a plurality of sections of sleepers with sleeper circulating systems are required to be conveyed on a sleeper replacement vehicle, the sleeper conveying trolley and the folding lifting conveying belt can be lifted/lowered to corresponding positions to serve as conveying bridges among a plurality of upper conveying belts or a plurality of lower conveying belts, so that a complete sleeper conveying line is formed among the plurality of upper conveying belts or the plurality of lower conveying belts, the sleeper conveying vehicle can convey new sleepers on the upper and lower conveying belts of the sleeper replacement vehicle with the sleeper circulating systems at one time, or the sleeper replacement vehicle with the sleeper circulating systems can convey old sleepers by the upper and lower conveying belts, so that the additional conveying cost caused by frequently conveying the new and old sleepers is further saved, and the construction efficiency is increased; simultaneously, the loading and unloading of this application sleeper only need go on in sleeper transport vechicle and sleeper conveying car department, need not to remove the set of cars of construction site, has avoided moving the power loss that the set of cars caused, delay the construction and change the error that the place brought.

Specifically, the folding lifting conveyer belt 27 needs to be folded and retracted when the vehicle runs, so as to avoid interference caused by the rotation of the conveyer belt when the vehicle is bent.

Specifically, different sleepers can be selected and used circularly according to needs so as to meet the replacement operation of various sleepers.

It should be noted that, the components in this embodiment are only examples, and as long as the functions of the components can be achieved, the components are not the only options, such as: the driving types of the conveying belts, the trolleys and the lifting mechanisms can be driven by motors, hydraulic motors, pneumatic motors and the like; the actuating device of each lifting mechanism can be driven in the forms of chains, oil cylinders, air cylinders and the like; the types of the guide rails can be steel rails, guide grooves, dovetails, guide posts and the like; the lap joint between the vehicles can adopt the types of a center plate, a center pin and the like; the power source used by the sleeper replacement vehicle with the sleeper circulating system can be provided by the vehicle or an external power vehicle; the sleeper replacement vehicle with the sleeper circulating system can be lapped with a front vehicle to share the bogie, can also be connected with a front vehicle coupler or a connecting rod and the like by two bogies.

The sleeper replacement vehicle with the sleeper circulating system and the operation method provided by the embodiment are characterized in that the sleeper conveying vehicle, the plurality of sections of sleeper replacement vehicles with the sleeper circulating system and the power vehicle for providing traction are sequentially connected to form a unit, the unit can automatically pull and run, the unit can meet the requirement of operation efficiency by combining the plurality of sections of sleeper replacement vehicles with the sleeper circulating system, each sleeper replacement vehicle with the sleeper circulating system is an operation point, a plurality of points independently operate, the operation is flexible, the mutual influence is avoided, and the overall efficiency is high after the combination. The sleeper replacement vehicle with the sleeper circulating system can transfer and store new and old sleepers, complete all sleeper replacement operation at one time, and has high practicability.

1. The sleeper replacing vehicle with the sleeper circulating system has the upper layer conveying belt and the lower layer conveying belt, can bear more new sleepers for sleeper replacing operation, and can be matched with the lifting mechanism, the sleeper conveying trolley and the lifting flat conveying belt, so that the circulation of new and old sleepers in the sleeper replacing vehicle with the sleeper circulating system is realized, two sets of equipment for laying the new sleepers and recovering the old sleepers are not required to be arranged, the cost is saved, and the length/volume of the whole equipment is reduced; and the method does not need to frequently transport new sleepers and output old sleepers, greatly saves the transport cost and increases the construction efficiency.

2. Adopt the multisection to change the car from the sleeper of taking the sleeper circulation system in this application and trade the pillow operation in step, the operation mileage requirement of different length in the same time can be realized from the combination of the sleeper of taking the sleeper circulation system to change the car through a plurality of sections, each section is from the sleeper of taking the sleeper circulation system to change the car independent work and do not influence each other, accomplish the new sleeper cloth in the region separately and put and the old pillow recovery work, once can realize that longer distance's sleeper is changed, and the damage of the sleeper of taking the sleeper circulation system from the sleeper of single section can not lead to the fact the influence to other sleeper of taking the sleeper circulation system to change the car, the influence of the efficiency of construction of equipment trouble to the unit has been reduced to the at utmost.

3. The removal on the sleeper replacement car of taking sleeper circulation system from in this application trades the pillow dolly when trading the pillow operation, through the mutually supporting of air wrench, the scraper blade, tongs, hydraulic means etc, need not to destroy old sleeper and can take out old sleeper, and install new sleeper, need not rise the way or dial the way action, it is less to the deformation or the atress influence of rail, the safe risk is less during the construction operation, the linear maintenance of circuit is better, the circuit can supply the operation car to walk around the operation area, it is shorter to receive and release the car time.

4. In this application, for the cooperation from the double-deck conveyer belt structure of the sleeper replacement car of taking the sleeper circulation system, the transmission conveyer belt on the sleeper transmission car can lift up or descend one end under the effect of lift guide pillar, and the other end of transmission conveyer belt slides in the platform level that slides simultaneously, adopts this kind of structure, and the sleeper transmission car can transport the sleeper to the upper conveyer belt and the lower floor's conveyer belt of the sleeper replacement car from taking the sleeper circulation system respectively.

5. The utility model provides a sleeper transports dolly and folding lift conveyer belt in this application, can be to the multisection when transporting new sleeper from the sleeper switching car of taking sleeper circulation system on, go up/fall to relevant position, act as the transportation bridge between a plurality of upper conveyer belts or a plurality of lower floor's conveyer belt, make and form a complete sleeper transportation line between a plurality of upper conveyer belts or a plurality of lower floor's conveyer belt, once only can accomplish the sleeper conveying car and carry the multisection from the new sleeper switching car of taking sleeper circulation system on the conveyer belt of lower floor, or accomplish the multisection from the sleeper switching car of taking sleeper circulation system on the lower floor conveyer belt carry the old sleeper of sleeper conveying car, the additional cost of transportation that frequently the new old sleeper of transportation caused has further been practiced thrift, construction efficiency has been increased.

6. After the sleeper transport vechicle is connected with the sleeper transport vechicle in this application, the walking track of two cars meets, and the hoist and mount transport vechicle removes and hoists the sleeper on the sleeper transport vechicle to the transmission conveyer belt on walking the shape track, makes the sleeper transport vechicle need not frequently to transport the sleeper back and forth in the goods yard and the construction site that the sleeper was stacked, has practiced thrift the cost of transportation new and old sleeper further.

7. The loading and unloading of this application sleeper only need go on in sleeper transport vechicle and sleeper conveying car department, need not to remove the set of cars of construction site, has avoided moving the power loss that the set of cars caused, delay the construction and change the error that the place brought.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application.

In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. A sleeper replacement vehicle, comprising: the sleeper conveying trolley comprises a replacing trolley frame (21) and a sleeper conveying trolley (26), wherein an upper layer conveying belt (24) and a lower layer conveying belt (25) are arranged above the replacing trolley frame (21), and the sleeper conveying trolley (26) moves horizontally and/or vertically on the replacing trolley frame (21); a movable pillow-changing trolley (28) capable of moving horizontally is arranged below the frame (21) of the pillow-changing trolley.

2. A sleeper replacement vehicle according to claim 1, wherein the upper front end of the replacement vehicle frame (21) is provided with a lifting mechanism, the rear end is provided with a folding lifting conveyor belt (27), and the sleeper carrying trolley (26) can be vertically lifted in the lifting mechanism and horizontally moved on the replacement vehicle frame (21).

3. Sleeper replacement vehicle according to claim 1, characterized in that a lifting plate conveyor (44) is provided at the framework end of the mobile sleeper replacement vehicle (28).

4. Sleeper replacement vehicle according to claim 1, characterized in that the upper conveyor belt (24) and the lower conveyor belt (25) are of a two-sided chain pallet construction, whereby forward or backward pushing of the sleepers is achieved by forward and reverse rotation of the chains.

5. Sleeper replacement vehicle according to claim 1, characterized in that the mobile sleeper replacement trolley (28) comprises an operating chamber (41), a gripping arm (42), a pneumatic wrench (43), the gripping arm (42) having two outputs on which a scraper and a gripper are mounted, respectively.

6. Sleeper replacement vehicle according to claim 5, characterized in that the gripping arm (42) further comprises an arm support and a hydraulic device.

7. A modular sleeper replacement unit, characterized in that it comprises a sleeper conveyor (1), several sections of sleeper replacement cars (2) according to any one of claims 1 to 6, connected in series; the sleeper transfer vehicle is used for transferring the new sleeper to the sleeper replacement vehicle (2) and recovering the old sleeper.

8. The modular tie changer assembly of claim 7,

the sleeper conveying vehicle (1) comprises a special flat car (12), the special flat car (12) is provided with a transmission conveying belt (11), one end of the transmission conveying belt (11) can horizontally slide on the special flat car (12), the other end of the transmission conveying belt (11) can vertically lift, and a hoisting transport vehicle (14) is further arranged on the special flat car (12).

9. The combined sleeper replacement unit according to claim 8, characterized in that a sliding platform (16) is provided at the front end, a lifting guide pillar (15) is provided at the rear end of the special flat car (12), a transfer conveyor (11) is provided on the sliding platform (16) and the lifting guide pillar (15), one end of the transfer conveyor (11) can slide horizontally on the sliding platform (16), and the other end of the transfer conveyor (11) can be lifted vertically by the lifting guide pillar (15).

10. The combined sleeper replacement unit according to claim 8, further comprising a sleeper transport vehicle, wherein the sleeper transport vehicle is provided with traveling rails, the special flat car (12) is also provided with the traveling rails, the sleeper transport vehicle is connected with the sleeper transport vehicle (1) in a hanging manner and the traveling rails of the two cars are connected, traveling driving wheels are arranged under the hoisting transport vehicle (14), and the hoisting transport vehicle (14) moves horizontally on the traveling rails of the sleeper transport vehicle and the sleeper transport vehicle (1) through the traveling driving wheels.

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