CN211645794U

CN211645794U - Switch core structure of suspension type single-rail switch

Info

Publication number: CN211645794U
Application number: CN201922322410.9U
Authority: CN
Inventors: 余锋; 牛均宽; 吉敏廷; 李利军
Original assignee: China Railway Baoji Bridge Group Co Ltd
Current assignee: China Railway Baoji Bridge Group Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-09
Anticipated expiration: 2029-12-23

Abstract

A core structure of a suspension type single-rail turnout is characterized in that the cross section of a core rail is of an inverted T-shaped structure, two side surfaces of the upper part of the core rail are respectively a curved side guide surface and a linear side guide surface, and two walking surfaces are arranged on the upper surface of the lower part of the core rail; when the core rail is switched to a curve state, the electric push rod pushes the driving frame to move horizontally to drive the left guide rail and the right guide rail to synchronously flex and deform to form a curve state, so that the left guide rail is butted with a curve side guide surface of a turnout, and the right guide rail is butted with a curve side guide surface of the core rail; when the core rail is switched to a linear state, the electric push rod pulls the driving frame to move horizontally to drive the left guide rail and the right guide rail to return synchronously to form a linear state, so that the left guide rail is in butt joint with the linear side guide surface of the core rail, and the right guide rail is in butt joint with the linear side guide surface of the turnout. The utility model discloses the guided way does not have the discrepancy in elevation through flexography and core rail parallel and level butt joint, has guaranteed the whole line type of switch and the stationarity of crossing the car.

Description

Switch core structure of suspension type single-rail switch

Technical Field

The utility model belongs to the technical field of urban rail transit suspension type monorail turnout, concretely relates to turnout core structure of suspension type monorail turnout.

Background

The movable core turnout core of the existing suspension type monorail is formed by connecting a switch rail (a guide rail) and a core rail, the switch rail is driven by a core rail switch, and after the core rail switch is in place, the switch rail and a turnout beam web surface (a vehicle guide surface) are tangent to provide guidance for a wheel. Because the switch blade is in order to satisfy certain intensity, rigidity, the point portion will have certain thickness, and this thickness causes the switch blade to have the discrepancy in elevation (as figure 7) after tangent with the switch web face, and in addition the structural feature of suspension type single track movable core switch, the switch blade can't hide in the switch roof beam body, and this discrepancy in elevation causes the vehicle to cross the switch when leading wheel and switch blade striking, influences switch blade life and vehicle and cross the switch travelling comfort.

SUMMERY OF THE UTILITY MODEL

The utility model provides a switch core structure of suspension type monorail switch to overcome the not enough of prior art.

The utility model discloses a technical scheme: a fork core structure of a suspension type single-rail fork comprises a left guide rail, a right guide rail and a core rail; the cross section of the core rail is of an inverted T-shaped structure, one end of the core rail is a rotation center, the other end of the core rail is a movable end, the two side surfaces of the upper part of the core rail are respectively a curved side guide surface and a linear side guide surface, and the upper surface of the lower part of the core rail is provided with two walking surfaces; the left guide rail and the right guide rail are of thin plate structures and are vertically arranged in front of the movable end of the core rail in a bilateral symmetry mode, one ends, far away from the core rail, of the left guide rail and the right guide rail are fixed ends, and one ends, close to the core rail, of the left guide rail and the right guide rail are movable ends; the left guide rail and the right guide rail are hinged on the same driving frame, the driving frame is close to the movable ends of the left guide rail and the right guide rail, and one side of the driving frame is hinged with an electric push rod; when the core rail is switched to a curve state, the electric push rod pushes the driving frame to move horizontally to drive the left guide rail and the right guide rail to flex and deform synchronously to form a curve state, so that the guide surface of the left guide rail is flush and butted with the guide surface of the left web plate on the curve side of the turnout, and the guide surface of the right guide rail is flush and butted with the guide surface of the curve side of the core rail; when the core rail is switched to a linear state, the electric push rod pulls the driving frame to move horizontally, the driving frame drives the left guide rail and the right guide rail to return synchronously, the left guide rail and the right guide rail lose flexural deformation to form a linear state, the guide surface of the left guide rail is flush and butted with the linear side guide surface of the core rail, and the guide surface of the right guide rail is flush and butted with the guide surface of the right web plate on the linear side of the turnout.

The driving frames are arranged side by side, the two driving frames are hinged together through the driving arms, and the electric push rods are hinged on the driving arms.

The driving frame is of a door-shaped structure, the left guide rail and the right guide rail are arranged in the door-shaped structure, and the back surfaces of the left guide rail and the right guide rail are respectively hinged on the door-shaped structure; the driving arm is hinged to the middle of the upper cross beam of the door-shaped structure through the long round hole, and the hinged point of the electric push rod and the driving arm is located between the driving frames.

The left guide rail and the right guide rail are composed of an upper guide rail and a lower guide rail, the upper guide rail and the lower guide rail are arranged in a bilateral symmetry mode, and the lower guide rail is located under the upper guide rail.

Compared with the prior art, the utility model advantage and effect that have: the utility model discloses with the guided way (being equivalent to the switch rail among the prior art) and the separation of core rail, design the core rail for falling T type structure, design the board-like structure of bilateral symmetry with the guided way, during the core rail switching, the guided way does not have the difference in height through flexonics and core rail parallel and level butt joint, the smooth butt joint department that passes through of leading wheel when the vehicle crosses the trouble, the whole line type of switch and the stationarity of crossing the car have been guaranteed, the life of switch has also been prolonged simultaneously, the injury of switch to the vehicle when having reduced the vehicle and crossing the trouble.

Drawings

FIG. 1 is a schematic view of the structure of the present invention in a straight line state,

FIG. 2 is a schematic structural diagram of the present invention in a curved state,

figure 3 is a structural plan view of the core rail of the utility model,

figure 4 is a left side view of the structure of the core rail of the utility model,

FIG. 5 is a top view of the left and right guide rails and the driving frame of the present invention,

FIG. 6 is a side view of the left and right guide rails and the driving frame of the present invention,

fig. 7 is a schematic structural diagram of the prior art.

Detailed Description

The detailed description of the present invention will be made with reference to the accompanying drawings 1-6.

A fork core structure of a suspension type single-rail fork comprises a left guide rail 1, a right guide rail 2 and a core rail 3; the section of the core rail 3 is of an inverted T-shaped structure, one end of the core rail is a rotation center, the other end of the core rail is a movable end, the two side surfaces of the upper part of the core rail are respectively a curved side guide surface 4 and a linear side guide surface 5, and the upper surface of the lower part of the core rail is provided with two walking surfaces 6; the left guide rail 1 and the right guide rail 2 are of thin plate structures and are vertically arranged in front of the movable end of the core rail 3 in a bilateral symmetry mode, one ends, far away from the core rail 3, of the left guide rail 1 and the right guide rail 2 are fixed ends, and one ends, close to the core rail 3, of the left guide rail 1 and the right guide rail 2 are movable ends; the left guide rail 1 and the right guide rail 2 are hinged on the same driving frame 7, the driving frame 7 is close to the movable ends of the left guide rail 1 and the right guide rail 2, and one side of the driving frame 7 is hinged with an electric push rod 8; when the core rail 3 is switched to a curve state, the electric push rod 8 pushes the driving frame 7 to move horizontally to drive the left guide rail 1 and the right guide rail 2 to flex and deform synchronously to form a curve state, so that the guide surface of the left guide rail 1 is flush and butted with the guide surface 9 of the left web plate at the curve side of the turnout, and the guide surface of the right guide rail 2 is flush and butted with the guide surface 4 at the curve side of the core rail 3; when the core rail 3 is switched to a linear state, the electric push rod 8 pulls the driving frame 7 to move horizontally, the driving frame 7 drives the left guide rail 1 and the right guide rail 2 to return synchronously, the left guide rail 1 and the right guide rail 2 lose flexural deformation to form a linear state, so that the guide surface of the left guide rail 1 is flush and butted with the linear side guide surface 5 of the core rail 3, and the guide surface of the right guide rail 2 is flush and butted with the right web guide surface 10 on the linear side of the turnout.

The two driving frames 7 are arranged side by side, the two driving frames 7 are hinged together through a driving arm 11, and the electric push rod 8 is hinged on the driving arm 11. The driving frame 7 is of a door-shaped structure, the left guide rail 1 and the right guide rail 2 are arranged in the door-shaped structure, and the back surfaces of the left guide rail 1 and the right guide rail 2 are respectively hinged to the door-shaped structure; the driving arm 11 is hinged to the middle of the upper cross beam of the door-shaped structure through the long round hole 12, and the hinged point of the electric push rod 8 and the driving arm 11 is located between the two driving frames 7. The left guide rail 1 is composed of an upper guide rail 13 and a lower guide rail 14, wherein the upper guide rail 13 and the lower guide rail 14 are arranged in a bilateral symmetry mode, and the lower guide rail 14 is located right below the upper guide rail 13.

The switch mechanism of the core rail 3 is basically the same as the core rail switch mechanism of the existing suspension type monorail movable core turnout, and the description is omitted.

In one embodiment, the left guide rail 1 and the right guide rail 2 are thin steel plates, fixed ends of the thin steel plates are respectively in butt joint with a curved position and a straight position web plate (vehicle guide surface) of a turnout and are fixed, the guide surfaces at the butt joint are parallel and level, and movable ends of the left guide rail 1 and the right guide rail 2 are respectively connected with the two driving frames 7 through an upper hinge point and a lower hinge point, so that the flexural deformation can be smoothly realized, and certain rigidity can be kept.

In one embodiment, the driving frame 7 rolls on the upper surface of the turnout beam through a pair of rollers 15 arranged below the upper cross beam, so that the driving frame 7 can smoothly move back and forth; and each driving frame 7 is hinged with the left guide rail 1 and the right guide rail 2, and the two driving frames 7 are hinged together through the driving arm 11 to move synchronously, so that the distance between the left guide rail 1 and the right guide rail 2 and the synchronism during bending are ensured, and the accuracy of the wheel guide surface is improved.

The working principle is as follows: when a vehicle passes straight, the core rail 3 is switched to the state shown in figure 1, the left guide rail 1 and the right guide rail 2 are in a straight state, the left guide rail 1 is connected with the straight side guide surface 5 of the core rail 3 in a flush manner, and the right running surface 6 of the core rail 3 is connected with the turnout running surface below the left guide rail 1 in a flush manner, so that the straight line is ensured to be connected. When a vehicle passes through the side line, the core rail 3 is switched to the state shown in figure 2, the left guide rail 1 and the right guide rail 2 are synchronously deflected and deformed to be in a curved state, the right guide rail 2 is in parallel and level butt joint with the curved side guide surface 4 of the core rail 3, the left side walking surface 6 of the core rail 3 is in parallel and level butt joint with the turnout walking surface below the right guide rail 2, and the connection of the side line is ensured.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a trouble core structure of suspension type monorail switch which characterized by: comprises a left guide rail (1), a right guide rail (2) and a core rail (3); the cross section of the core rail (3) is of an inverted T-shaped structure, one end of the core rail is a rotation center, the other end of the core rail is a movable end, the two upper side surfaces of the core rail are respectively a curved side guide surface (4) and a linear side guide surface (5), and the upper surface of the lower part of the core rail is provided with two walking surfaces (6); the left guide rail (1) and the right guide rail (2) are of thin plate structures and are arranged in front of the movable end of the core rail (3) in a bilateral symmetry vertical mode, one ends, far away from the core rail (3), of the left guide rail (1) and the right guide rail (2) are fixed ends, and one ends, close to the core rail (3), of the left guide rail and the right guide rail are movable ends; the left guide rail (1) and the right guide rail (2) are hinged on the same driving frame (7), the driving frame (7) is close to the movable ends of the left guide rail (1) and the right guide rail (2), and one side of the driving frame (7) is hinged with an electric push rod (8); when the core rail (3) is switched to a curve state, the electric push rod (8) pushes the driving frame (7) to move horizontally to drive the left guide rail (1) and the right guide rail (2) to flex and deform synchronously to form a curve state, so that the guide surface of the left guide rail (1) is flush and butted with the guide surface (9) of the left web plate at the curve side of the turnout, and the guide surface of the right guide rail (2) is flush and butted with the guide surface (4) at the curve side of the core rail (3); when the core rail (3) is switched to a linear state, the electric push rod (8) pulls the driving frame (7) to move horizontally, the driving frame (7) drives the left guide rail (1) and the right guide rail (2) to return synchronously, the deflection deformation of the left guide rail (1) and the right guide rail (2) disappears to form a linear state, the guide surface of the left guide rail (1) is in parallel and level butt joint with the linear side guide surface (5) of the core rail (3), and the guide surface of the right guide rail (2) is in parallel and level butt joint with the turnout linear side right web guide surface (10).

2. The turnout core structure of claim 1, wherein: the driving frames (7) are arranged side by side, the two driving frames (7) are hinged together through driving arms (11), and the electric push rod (8) is hinged on the driving arms (11).

3. The turnout core structure of claim 2, wherein: the driving frame (7) is of a door-shaped structure, the left guide rail (1) and the right guide rail (2) are arranged in the door-shaped structure, and the back surfaces of the left guide rail (1) and the right guide rail (2) are respectively hinged to the door-shaped structure; the driving arm (11) is hinged to the middle of the upper cross beam of the door-shaped structure through a long round hole (12), and a hinged point of the electric push rod (8) and the driving arm (11) is located between the driving frames (7).

4. The switch core structure of a suspended single-track switch as claimed in claim 1, 2 or 3, wherein: left side guided way (1) and right guided way (2) constitute by last guided way (13) that bilateral symmetry set up and lower guided way (14) that bilateral symmetry set up, just down guided way (14) are located under last guided way (13).