CN219032796U

CN219032796U - Shifting fork device of high-speed rail road adjustment vehicle

Info

Publication number: CN219032796U
Application number: CN202222556327.XU
Authority: CN
Inventors: 左峰; 徐凌雁; 王强; 吴小敏; 王伟华; 谢浩然; 吴春磊; 张晓波; 王铁霖; 孟庆文
Original assignee: Hunan Tianxiang Building Technology Co ltd; Anhui Jiangxi Railway Anhui Co ltd; China Railway Design Corp
Current assignee: Hunan Tianxiang Building Technology Co ltd; Anhui Jiangxi Railway Anhui Co ltd; China Railway Design Corp
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-16
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a shifting fork device of a high-speed rail track adjustment vehicle, wherein the upper end of an adjusting screw rod of the adjustment vehicle is a T-shaped end, the shifting fork device comprises a mounting plate, a driving piece, a universal joint, a shifting fork, a position sensor and a conductive slip ring, the mounting plate is connected with the adjustment vehicle, the driving piece is vertically fixed on the mounting plate, the output end of the driving piece is connected with the end part of the upper end of the universal joint, the shifting fork comprises a cross rod and two inverted U-shaped frames, the open ends of the two inverted U-shaped frames are connected with the lower side surface of the cross rod, the two inverted U-shaped frames are connected with the cross rod to form an opening structure with taper, the cross rod is fixed at the lower end of the universal joint, and the position sensor is arranged at one side of one inverted U-shaped frame. According to the utility model, the lower end of the shifting fork is provided with the tapered opening structure, and the opening structure is matched and corresponds to the T-shaped end arranged at the upper end of the adjusting screw, so that the butt joint precision is effectively reduced, the butt joint matching operation efficiency is improved, and meanwhile, the cost is further reduced by arranging the position sensor to detect the T-shaped end.

Description

Shifting fork device of high-speed rail road adjustment vehicle

Technical Field

The utility model relates to the technical field of high-speed railway ballastless track construction equipment, in particular to a shifting fork device of a high-speed railway track adjustment vehicle.

Background

The ballastless track structure of the high-speed railway is a main ballastless track structure of the high-speed railway through large-scale engineering practice, and has the remarkable advantages of low cost, flexible construction, strong adaptability and the like. The track slab of the double-block ballastless track bent or CRTS III slab ballastless track is a foundation for paving the steel rail, and in order to meet the requirement of the paving precision of the steel rail, the positioning must be accurately regulated after the double-block ballastless track bent or CRTS III slab ballastless track is placed on a construction site so as to meet the paving requirement of the steel rail.

Chinese patent CN202111268948 discloses an intelligent construction device and construction method for double-block ballastless track, wherein the construction device is an intelligent construction device for double-block ballastless track with high intelligent degree, convenient operation and high construction efficiency. The wrench mechanism of the adjusting vehicle comprises a sleeve, a telescopic universal joint, a wrench motor and a mounting plate, wherein the position acquisition system acquires the space position of an elevation adjusting screw and/or a rail direction adjusting screw on the current track panel frame, and the space position of the wrench mechanism is adjusted by a control system through a space adjusting device so that the sleeve of the wrench mechanism is matched with the space position to perform elevation adjustment and/or rail direction adjustment, and the adjusting screws of the elevation adjustment and/or the rail direction adjustment are T-shaped adjusting screws. Therefore, the matching operation efficiency of the space position of the sleeve of the wrench mechanism and the space position of the elevation adjusting screw and/or the rail direction adjusting screw is low, and the cost of the position acquisition system is higher; in addition, the processing precision requirement of the sleeve and the adjusting screw is higher, the difference between the inner diameter size of the sleeve and the outer diameter size of the adjusting screw is not more than 1.5mm, otherwise, torque cannot be transmitted during adjustment, the difficulty is high when the difference between the inner diameter size of the sleeve and the outer diameter size of the adjusting screw is too small to match, and even the situation of no butt joint occurs.

In view of this, how to research a fork device of a high-speed rail adjustment vehicle capable of improving the efficiency of butt-joint matching operation is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a shifting fork device of a high-speed railway track adjustment vehicle, which is characterized in that the upper end of an adjusting screw is set to be a T-shaped end, the lower end of a shifting fork is set to be an opening structure which is provided with taper and is matched with the T-shaped end of the adjusting screw, and the structure of large opening of the taper of the shifting fork is utilized to effectively reduce the butt joint precision, thereby improving the butt joint matching operation efficiency, and meanwhile, the processing precision and the cost of the shifting fork are low, and the production cost is saved.

In order to solve the technical problems, the utility model provides a shifting fork device for a high-speed rail track adjusting vehicle, the upper ends of adjusting screws corresponding to an upper elevation adjusting device and a rail direction adjusting device of the adjusting vehicle are T-shaped ends, the shifting fork device comprises a mounting plate, a driving piece, a universal joint, a shifting fork, a position sensor and a conductive slip ring, the mounting plate is fixedly connected with the adjusting vehicle, the driving piece is vertically fixed on the mounting plate, the output end of the driving piece is connected with the upper end of the universal joint, the shifting fork comprises a transverse rod and two inverted U-shaped frames, the transverse rod and the lower side of the transverse rod are connected to form an opening structure with taper and correspondingly matched with the T-shaped ends of the adjusting screws, the transverse rod is fixed at the lower end of the universal joint, the position sensor is arranged at one side of one inverted U-shaped frame and used for collecting the space position of the T-shaped ends of the adjusting screws, the outer ring of the conductive slip ring is fixed on the mounting plate, the inner ring of the conductive slip ring is rotationally connected to the outer ring of the conductive slip ring and sleeved on the universal joint, and a communication line of the position sensor is connected with external equipment through the inner ring of the conductive slip ring and used for transmitting position information of the position sensor.

Preferably, the driving piece comprises a servo motor and a speed reducer, the upper end of the speed reducer is connected with the driving end of the servo motor, the lower end of the speed reducer is connected with the upper end of the universal joint, the inner ring of the conductive slip ring is sleeved at the upper end of the universal joint and rotates along with the rotation of the universal joint (3), and the driving piece is vertically fixed on the mounting plate through the speed reducer.

Preferably, the speed reducer is detachably fixed on the mounting plate through bolts.

Preferably, the universal joint is a telescopic universal joint.

Preferably, the position sensor is detachably fixed to the cross bar by bolts.

Compared with the prior art, the shifting fork device of the high-speed rail road whole adjustment vehicle has the advantages that the upper end of the adjusting screw rod is set to be the T-shaped end, the lower end of the shifting fork is set to be the opening structure which is provided with the taper and is matched with the T-shaped end of the adjusting screw rod, the structure of large opening of the taper of the shifting fork is utilized to effectively reduce the abutting precision, and therefore the abutting matching operation efficiency is improved; meanwhile, the processing precision and cost of the shifting fork are low, and the production cost is saved; and the position sensor is used for replacing the original position acquisition system, so that the cost is further saved on the premise of ensuring the accuracy of information acquisition.

Drawings

FIG. 1 is a schematic diagram of a fork assembly of a high-speed railway track adjustment vehicle according to the present utility model,

fig. 2 is a construction schematic diagram of a fork device of a high-speed rail adjusting vehicle according to the present utility model.

In the figure: 1. the device comprises a mounting plate, a driving piece, a servo motor, a speed reducer, a universal joint, a shifting fork, a transverse rod, an inverted U-shaped frame, a position sensor and an electrically conductive slip ring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a shifting fork device of a high-speed railway track adjustment vehicle is provided, the upper ends of adjusting screws corresponding to an elevation adjusting device and a track direction adjusting device on the adjustment vehicle are T-shaped ends, the shifting fork device comprises a mounting plate 1, a driving piece 2, a universal joint 3, a shifting fork 4, a position sensor 5 and a conductive slip ring 6, the mounting plate 1 is fixedly connected with the adjustment vehicle, the driving piece 2 is vertically fixed on the mounting plate 1, the output end of the driving piece 2 is connected with the upper end of the universal joint 3, the shifting fork 4 comprises a transverse rod 41 and two inverted U-shaped frames 42 which are transversely arranged, the two inverted U-shaped frames 42 are connected with the lower side of the transverse rod 41 to form an opening structure which is provided with taper and is correspondingly matched with the T-shaped ends of the adjusting screws, the transverse rod 41 is fixed at the lower end of the universal joint 3, one side of the inverted U-shaped frames 42 is used for collecting the space position of the T-shaped ends of the adjusting screws, the outer ring of the conductive slip ring 6 is fixed on the mounting plate 1, the inner ring of the conductive slip ring 6 is rotationally connected to the conductive slip ring 6 and sleeved on the outer ring of the conductive slip ring 3, and the conductive slip ring 5 is connected with the outer ring of the conductive slip ring 6 through a communication line for detecting the position sensor 5.

In this embodiment, the universal joint 3 is a telescopic universal joint, and in other embodiments, the universal joint 3 may be formed by detachably connecting a plurality of sub-universal joints. The conductive slip ring 6 comprises an inner ring and an outer ring, the outer ring and the inner ring are rotatably arranged, a wire hole connected with a communication wire of the position sensor 5 is formed in the inner ring, the position sensor 5 is in data communication with external equipment through the wire hole, the upper side face of the outer ring of the conductive slip ring 6 is fixedly connected with the mounting plate 1, the inner ring of the conductive slip ring 6 is sleeved on the universal joint 3 and rotates along with the rotation of the universal joint 3, and therefore the situation that the communication wire of the position sensor 5 is damaged due to rotation in the rotation process of the universal joint 3 is guaranteed.

In the embodiment, the upper ends of the adjusting screws corresponding to the upper elevation adjusting device and the rail direction adjusting device of the adjusting vehicle are set to be T-shaped ends, the lower ends of the shifting forks 4 are set to be opening structures which are provided with taper and are matched with the T-shaped ends of the adjusting screws, and the butt joint precision of the T-shaped ends of the adjusting screws and the lower ends of the shifting forks 4 can be effectively reduced by utilizing the structure that the taper of the shifting forks 4 is large; meanwhile, the processing precision and the processing cost of the shifting fork 4 are far lower than those of the original wrench structure sleeve, so that the production cost is saved; moreover, the position sensor 5 is utilized to replace the original position acquisition system, and the production cost is further reduced on the premise of ensuring that the space position of the T-shaped end of the adjusting screw is accurately acquired. Therefore, compared with the prior art, the method has the characteristics of high butt-joint matching efficiency and low cost.

As shown in fig. 1, the driving member 2 includes a servo motor 21 and a speed reducer 22, the upper end of the speed reducer 22 is connected with the driving end of the servo motor 21, the lower end of the speed reducer 22 is connected with the upper end of the universal joint 3, the inner ring of the conductive slip ring 6 is sleeved on the upper end of the universal joint 3 and rotates along with the rotation of the universal joint 3, and the driving member 2 is vertically fixed on the mounting plate 1 through the speed reducer 22.

In this embodiment, through setting up speed reducer 22 can effectively reduce servo motor 21's rotational speed and improve output torque, utilize electrically conductive sliding ring 6 effectively to avoid the communication line of position sensor 5 to cause the phenomenon of sprain in rotatory in-process simultaneously, guaranteed the normal operating of device to a certain extent, extension position sensor 5's life.

The speed reducer 22 is detachably fixed on the mounting plate 1 through bolts, and the structure is favorable for dismounting the driving piece 2, so that maintenance personnel can maintain the speed reducer conveniently.

Preferably, the position sensor 5 is detachably fixed to the cross bar 41 by bolts. This structure can enough guarantee that position sensor 5 is stable installs on horizontal pole 41, and then guarantees the stability of position sensor 5 work, simultaneously can be convenient for the dismouting of position sensor 5 again, is favorable to maintainer to the daily maintenance of position sensor 5.

In order to better explain the working principle and beneficial technical effects of the shifting fork device, a construction specific embodiment of the shifting fork device is described below.

Firstly, moving an adjusting vehicle to enable a shifting fork 4 to be positioned right above adjusting screws corresponding to an elevation adjusting device and a rail direction adjusting device; and then driving the servo motor 21 to drive the shifting fork 4 to rotate until the position sensor 5 detects the T-shaped end of the adjusting screw, at the moment, the T-shaped end of the adjusting screw is corresponding to and parallel to the opening structure at the lower end of the shifting fork 4, then driving the shifting fork 4 to move downwards to enable the opening structure at the lower end of the shifting fork 4 to cover the T-shaped end of the adjusting screw, finally driving the shifting fork 4 to rotate again by using the servo motor 21 based on actual adjustment requirements to carry out adjustment operation until the adjustment requirements are met, and then driving the shifting fork 4 to move upwards to enable the opening structure at the lower end of the shifting fork 4 to be separated from the T-shaped end of the adjusting screw, thereby completing elevation adjustment or rail direction adjustment.

The shifting fork device of the high-speed railway track adjustment vehicle provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A shifting fork device of a high-speed rail track adjusting vehicle is characterized in that the upper ends of adjusting screws corresponding to an upper elevation adjusting device and a rail direction adjusting device of the adjusting vehicle are T-shaped ends, the shifting fork device comprises a mounting plate (1), a driving piece (2), a universal joint (3), a shifting fork (4), a position sensor (5) and a conductive sliding ring (6), the mounting plate (1) is fixedly connected with the adjusting vehicle, the driving piece (2) is vertically fixed on the mounting plate (1), the output end of the driving piece (2) is connected with the upper end of the universal joint (3), the shifting fork comprises a transverse rod (41) and two inverted U-shaped frames (42) which are transversely arranged, the two inverted U-shaped frames (42) are connected with the lower side of the transverse rod (41) to form an opening structure which is provided with taper and is correspondingly matched with the T-shaped end of the adjusting screw, the transverse rod (41) is fixed at the lower end of the universal joint (3), the position sensor (5) is arranged at one side of one of the inverted U-shaped frames (42) and used for collecting the space position of the T-shaped end of the adjusting screw, the outer ring of the conductive sliding ring (6) is fixed on the outer ring (1) of the conductive sliding ring (6) and is arranged on the universal joint (6) in the universal joint (6), the communication line of the position sensor (5) is connected with external equipment through the inner ring of the conductive slip ring (6) for transmitting the position information detected by the position sensor (5).

2. The fork device of the high-speed rail track adjustment vehicle according to claim 1, wherein the driving part (2) comprises a servo motor (21) and a speed reducer (22), the upper end of the speed reducer (22) is connected with the driving end of the servo motor (21), the lower end of the speed reducer (22) is connected with the upper end of the universal joint (3), the inner ring of the conductive slip ring (6) is sleeved at the upper end of the universal joint (3) and rotates along with the rotation of the universal joint (3), and the driving part (2) is vertically fixed on the mounting plate (1) through the speed reducer (22).

3. Fork device for a railway track adjustment vehicle according to claim 2, characterized in that the speed reducer (22) is detachably fastened to the mounting plate (1) by means of bolts.

4. Fork device for a high-speed railway adjustment vehicle according to claim 1, characterized in that the universal joint (3) is a telescopic universal joint.

5. Fork device for a railway adjustment vehicle according to claim 1, characterized in that the position sensor (5) is detachably fastened to the rail (41) by means of bolts.