CN217048645U

CN217048645U - Automatic position changing device for signal responder

Info

Publication number: CN217048645U
Application number: CN202220970207.1U
Authority: CN
Inventors: 吴方博; 朱德生; 周庆江; 刘勇; 姜曦
Original assignee: Nsh Cti Machine Tool Jiangxi Co ltd
Current assignee: Nsh Cti Machine Tool Jiangxi Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-26
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to an urban rail transit vehicle overhauls technical field, discloses an automatic device that shifts of signal transponder, including fixing the frame in the track below, the signal transponder, with the vertical swing arm of being connected of rail, the frame passes through the straight reciprocating motion device with the swing arm and is connected, the end at the swing arm is fixed to the signal transponder. The utility model discloses a signal transponder shifts the switching at the automation of horizontal reset and perpendicular folding position, can satisfy the automatic driving of automatic driving subway train, the demand of stopping during the horizontal reset position, guarantee the trafficability characteristic of overhauing the trench during perpendicular folding position, it provides the advantage to overhaul the operation in the trench for train maintainer or automatic maintenance equipment, degree of automation is high, safe and reliable, economic nature is good, can effectively improve the maintenance efficiency of automatic driving subway train.

Description

Automatic position changing device for signal responder

Technical Field

The utility model relates to an urban rail transit vehicle overhauls technical field, concretely relates to automatic device that shifts of signal answering machine.

Background

With the development of the automatic driving technology of subway trains, a plurality of automatic driving subway lines are put into operation in China. The signal responder is an important component in an automatic driving subway train system, and mainly has the functions of realizing the automatic transmission of ground signal data and a subway train, transmitting various driving data information to the train and guiding the automatic driving of the train. In order to realize accurate and automatic stop and start of an automatically driven subway train in a subway train maintenance base, a plurality of signal transponders are required to be installed in a maintenance trench track in the maintenance base.

According to the related technical requirements, the signal transponder is required to be arranged in the center of an access trench channel, and the upper surface of the signal transponder is parallel to the top surface of the track and is 65-70 mm lower than the top surface of the track. The existing installation mode is to arrange the signal transponder above a set of supporting mechanism, the supporting mechanism usually adopts a mode of lifting from the ground at the bottom of the overhaul trench or crossing the track of the overhaul trench, and the signal transponder is arranged at a qualified height through the installation mode. The fixed installation is all adopted to current mounting means, can occupy and overhaul the trench space, influences the trafficability characteristic of overhauing the trench, hinders train maintainer or automatic maintenance equipment current in overhauing the trench, influences train maintenance efficiency.

Therefore, how to provide a device that can carry on the signal transponder and shift automatically as required, can guarantee to overhaul the unobstructed nature of trench, avoid causing the hindrance to the maintenance operation, become the problem that technical personnel in the field need to solve urgently.

SUMMERY OF THE UTILITY MODEL

To the not enough of current maintenance trench track interior signal response ware mounting means, the utility model provides a signal response ware automatic shift device, the technical scheme of adoption is:

the utility model provides a signal transponder automatic position changing device, includes the frame 3 of fixing in track 1 below, signal transponder 10, the swing arm with the vertical connection of rail, frame 3 is connected through straight reciprocating motion device with the swing arm, signal transponder 10 is fixed at the end of swing arm.

Furthermore, the swing arm is composed of a front swing arm 8 and a rear swing arm 6, the front swing arm 8 is fixed at the front end of the rear swing arm 6, the linear reciprocating motion device is an electric push rod 4 with a driving motor, and a piston rod 5 is arranged in the electric push rod 4.

Furthermore, the device also comprises a pressing block 2, and the frame 3 is fixed with the track 1 by the pressing block 2. The four pressing blocks 2 are connected with the rack 3 through bolts and firmly press the rack 3 and the track 1, and a certain inclination angle is arranged at the contact surface of the rack 3 and the track 1 so as to correct the influence of the rail bottom slope of the track 1 on the installation levelness of the rack 3.

Further, a horizontal position sensor 11 and a vertical position sensor 12 are respectively arranged on the frame 3, and are used for detecting the in-place rotation condition of the rear swing arm 6 at the horizontal position and the vertical position, and have the function of stopping the rear swing arm 6, so as to limit the rotation angle of the rear swing arm 6.

Furthermore, the swing mechanism further comprises a rotating shaft 7 and a connecting plate 9, a first pin shaft 13 is arranged below the rear swing arm 6, the connecting plate 9 is arranged at the front end of the front swing arm 8, and the end part of the piston rod 5 is pivoted with the first pin shaft 13; the base of the electric push rod 4 is pivoted with the second pin shaft 14; the transponder 10 is fixed to the upper surface of the connection plate 9.

The rear swing arm 6 is connected with the frame 3 through a rotating shaft 7, the rear swing arm 6 can rotate relative to the frame 3 around the rotating shaft 7, the piston rod 5 is driven by a transmission mechanism in the electric push rod 4 to perform telescopic motion, the front end of the piston rod 5 is connected with the rear swing arm 6 through a first pin shaft 13, the piston rod 5 can rotate relative to the rear swing arm 6 around the first pin shaft 13, the rear end of the electric push rod 4 is connected with the frame 3 through a second pin shaft 14, and the electric push rod 4 can rotate relative to the frame 3 around the second pin shaft 14.

Compared with the prior art, the utility model discloses possess following beneficial effect:

(1) the utility model discloses an automatic position changing device of a signal transponder, which can realize the accurate positioning of the signal transponder in the center of an overhaul trench track, and meet the automatic start and stop requirements of an automatic driving subway train; meanwhile, the signal transponder can be automatically folded and retracted to the lower part of the steel rail under the driving of the swing arm by using a mode that the swing arm is driven by the electric push rod to rotate around the rotating shaft, so that the trafficability characteristic of a maintenance trench is ensured, and favorable conditions are provided for maintenance operation of train maintenance personnel or automatic maintenance equipment in the trench; after the maintenance operation is finished, the signal transponder can automatically extend out and reset to the central position of the maintenance trench track under the driving of the swing arm; the maintenance efficiency of the automatic driving subway train can be effectively improved, and the safety of maintenance operation is effectively guaranteed.

(2) The utility model adopts a frame and swing arm type structure, the electric push rod drives, the sensor detects in place, the whole structure is simple and reliable, the cost is low, the displacement is accurate, and the positioning is stable; the device installation is convenient, can adapt to current maintenance trench track and newly-built maintenance trench track's installation simultaneously, and the input is low, economic nature is good, can reduce train maintenance cost when promoting to overhaul operating efficiency, has higher practical value.

Drawings

Fig. 1 is an axial top view of an automatic position changing device of a signal transponder disclosed by the present invention;

fig. 2 is a bottom view of the automatic position changing device of the transponder according to the present invention;

fig. 3 is a side view of an automatic position changing device of a signal transponder disclosed by the present invention;

fig. 4 is a side view of the signal transponder automatic shifting device disclosed by the present invention when it is retracted.

Reference numerals are as follows: 1. a track; 2. briquetting; 3. a frame; 4. an electric push rod; 5. a piston rod; 6. a rear swing arm; 7. a rotating shaft; 8. a front swing arm; 9. a connecting plate; 10. a signal transponder; 11. a horizontal position sensor; 12. a vertical position sensor; 13. a first pin shaft; 14. and a second pin shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.

As shown in fig. 1-4, the utility model discloses an automatic position changing device of a signal responder,

the device comprises a rack 3 fixed below a track 1, a signal transponder 10 and a swing arm vertically connected with a steel rail, wherein the rack 3 is connected with the swing arm through a linear reciprocating motion device, and the signal transponder 10 is fixed at the tail end of the swing arm.

Preferably, the swing arm is composed of a front swing arm 8 and a rear swing arm 6, the front swing arm 8 is fixed at the front end of the rear swing arm 6, the linear reciprocating motion device is an electric push rod 4 with a driving motor, and a piston rod 5 or other linear drivers capable of realizing linear reciprocating motion are arranged in the electric push rod 4.

Preferably, the track fixing device further comprises pressing blocks 2, the pressing blocks 2 fix the rack 3 and the track 1, specifically, the four pressing blocks 2 are connected with the rack 3 through bolts and firmly press the rack 3 and the track 1, and a certain inclination angle is arranged on a contact surface between the rack 3 and the track 1 so as to correct the influence of a track bottom slope on the installation horizontality of the rack 3.

Preferably, a horizontal position sensor 11 and a vertical position sensor 12 are respectively arranged on the frame 3 for detecting the rotation in-place condition of the rear swing arm 6 at the horizontal position and the vertical position, and have the function of stopping the rear swing arm 6, so as to limit the rotation angle of the rear swing arm 6.

Preferably, the swing arm mechanism further comprises a rotating shaft 7 and a connecting plate 9, a first pin 13 is arranged below the rear swing arm 6, the connecting plate 9 is arranged at the front end of the front swing arm 8, and the end part of the piston rod 5 is pivoted with the first pin 13; the base of the electric push rod 4 is pivoted with the second pin shaft 14; the transponder 10 is fixed to the upper surface of the connection plate 9.

Rear swing arm 6 is connected with frame 3 through pivot 7, rear swing arm 6 can revolve the relative frame 3 rotation of pivot 7, piston rod 5 carries out concertina movement under electric putter 4 drive mechanism's drive, the front end of piston rod 5 is connected with rear swing arm 6 through first round pin axle 13, piston rod 5 can revolve the relative rear swing arm 6 of first round pin axle 13, electric putter 4 rear end is connected with frame 3 through second round pin axle 14, electric putter 4 can revolve the relative frame 3 of second round pin axle 14.

The front swing arm 8 and the connecting plate 9 are made of non-metal materials, have certain strength and toughness, and meet the requirement that a certain size of metal-free area is required around the signal transponder 10.

The working principle is as follows: when the train is not overhauled above the overhauling underground ditch track, the piston rod 5 in the electric push rod 4 is in an extending state, the rear swing arm 6 is driven to rotate to the horizontal position around the rotating shaft 7, the upper part of the rear swing arm contacts and triggers the horizontal position sensor 11, and the signal transponder 10 is accurately positioned in the center of the overhauling underground ditch track under the support of the connecting plate 9, the front swing arm 8 and the rear swing arm 6, so that the requirement that the subway train to be overhauled automatically enters the upper part of the overhauling underground ditch track and is automatically stopped is met; when a train to be overhauled stops in place above an overhauling trench track, the train is in an overhauling state, an overhauling master control room sends a corresponding command, a piston rod 5 in an electric push rod 4 starts to retract, a rear swing arm 6 is driven to rotate to a vertical position below the track 1 around a rotating shaft 7 and contacts with and triggers a vertical position sensor 12, and a signal transponder 10 is driven by a connecting plate 9, a front swing arm 8 and the rear swing arm 6 to be folded below the track 1, so that the passing performance of the overhauling trench is ensured, the overhauling operation is prevented from being blocked, and favorable conditions are provided for overhauling operation of train maintainers or automatic overhauling equipment in the trench; after the maintenance operation finishes, the train maintainer or the automatic maintenance equipment withdraw from and overhaul the trench, overhaul and control the room and send out the instruction, and piston rod 5 in the electric putter 4 stretches out again, promotes back swing arm 6 and revolutes 7 rotations to horizontal position of axle, drives signal transponder 10 and resumes to be in the state of overhauing trench track central authorities to satisfy the demand that the next train of waiting to overhaul after current train drives away gets into to overhaul the track and detects.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a signal transponder automatic shift device which characterized in that: the device comprises a rack (3) fixed below a track (1), a signal responder (10) and a swing arm vertically connected with a steel rail, wherein the rack (3) is connected with the swing arm through a linear reciprocating motion device, and the signal responder (10) is fixed at the tail end of the swing arm.

2. A transponder automatic shifting device according to claim 1, characterized in that: the swing arm comprises preceding swing arm (8) and back swing arm (6), and preceding swing arm (8) are fixed in the front end of back swing arm (6), linear reciprocating motion device is from electric putter (4) of taking driving motor, be equipped with piston rod (5) in electric putter (4).

3. The automatic shift device of signal responder according to claim 1, characterized in that: the track fixing device further comprises a pressing block (2), and the frame (3) and the track (1) are fixed through the pressing block (2).

4. A transponder automatic shifting device according to claim 1, characterized in that: a horizontal position sensor (11) and a vertical position sensor (12) are respectively arranged on the frame (3).

5. A transponder automatic shifting device according to claim 2, characterized in that: the swing arm mechanism is characterized by further comprising a rotating shaft (7) and a connecting plate (9), wherein a first pin shaft (13) is arranged below the rear swing arm (6), the connecting plate (9) is arranged at the front end of the front swing arm (8), and the end part of the piston rod (5) is pivoted with the first pin shaft (13); the base of the electric push rod (4) is pivoted with the second pin shaft (14); the signal transponder (10) is fixed on the upper surface of the connecting plate (9).