CN212223471U

CN212223471U - Track beam turnout mechanism for track traffic

Info

Publication number: CN212223471U
Application number: CN202020140527.5U
Authority: CN
Inventors: 曾鉴
Original assignee: Chengdu Deyou Rail Transit Technology Co ltd
Current assignee: Zeng Jian
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-12-25
Anticipated expiration: 2030-01-21

Abstract

The utility model relates to a track traffic technical field discloses a track roof beam switch mechanism of track traffic, including laying the first fixed beam of walking the track and laying the fork roof beam that the track was walked to the second for two at least, the one end of fork roof beam is for counterpointing the end, still including locating fixed beam and the swing beam that forks between the roof beam and a plurality of locate the stop device on fixed beam and/or the swing beam, stop device is used for the restriction to be located the first motion of walking the track in Y side of turning department. The utility model provides a switch mechanism is on the basis of realizing simplifying switch mechanism overall structure, promoting circuit switching efficiency, realizes the circuit through independently setting up wobbling walking beam and switches, and variable orbital deflection reduces to first walking rail when realizing switching the circuit, improves the life-span of walking beam and the holistic stability of switch mechanism.

Description

Track beam turnout mechanism for track traffic

Technical Field

The utility model relates to a track traffic technical field particularly, relates to a track traffic's track roof beam switch mechanism.

Background

An air rail transit system is a special rail transit system. In such rail transit systems, the rails are laid on rail beams supported in the air by support columns, and the corresponding rail vehicles run under the rails. Based on the advantages of small occupied area, low manufacturing cost, construction period and the like of the air rail transit system, the air rail transit system is increasingly applied to urban traffic transportation construction.

Because the traffic lines have complex and various characteristics, correspondingly, a situation that one main track corresponds to a plurality of branch tracks also exists in the air rail traffic system, and in order to ensure the accuracy of the running direction of the rail vehicle, turnout mechanisms are required to be arranged in the areas to adjust the butt joint of the main track and different branch tracks, so that the reversing of the rail vehicle is realized, and the turnout mechanisms are indispensable in the whole air rail traffic system.

A common turnout mechanism is configured by connecting a variable track between a branch track and a main track, and the main track and a different branch track can be connected or separated by the variable track. As in patent documents such as "2017207029368" and "201920159514 x", the switching of the line is realized by shifting the variable track to connect or disconnect the main track and the different branch tracks at the same position. However, in this way, not only the track line of the turnout mechanism is more complicated, but also the input cost is correspondingly increased, and meanwhile, the switching efficiency of different lines is low. For this reason, utility model people applied for a patent of a title "a switch mechanism for suspension type track transportation system" earlier, in this patent, utility model people set up variable orbital track roof beam and main orbital fixed beam into an integral type track roof beam, the tip through swinging this integral type track roof beam promptly, make integral type track roof beam elastic bending, make its integral type track roof beam and different fork orbital fork roof beams counterpoint, thereby it is also crooked that elasticity takes place to drive the track of integral type track roof beam elastic bending department, make the track on the integral type track roof beam and the track on the different fork roof beams counterpoint, realize the switching of circuit. However, utility model people through further research discovery, this kind of mode implement to the requirement such as elastic deformation of integral type track roof beam higher, and whole integral type track roof beam and the above-mentioned track deflection when crooked switching-over is great, has reduced the life of integral type track roof beam greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a track roof beam switch mechanism of track traffic can freely wobbling swing beam for the fixed beam through the setting to the swing through the swing beam drives the walking track of turn department and takes place the elastic bending, with the switching of realization circuit, thereby the effectual above-mentioned technical problem of having solved.

The embodiment of the utility model discloses a realize through following technical scheme:

a track beam turnout mechanism for track traffic comprises a fixed beam paved with a first walking rail and at least two bifurcation beams paved with a second walking rail, wherein one end of each bifurcation beam is a counterpoint end;

the swinging beam is arranged between the fixed beam and the bifurcation beam, and a plurality of limiting devices are arranged on the fixed beam and/or the swinging beam;

a turn is formed between the hinged end and the end part of the fixed beam, and one end of the first walking rail close to the swinging beam extends to the swinging end along the swinging beam;

when the swinging beam swings to a lateral position, the first running rail at the turning part is elastically bent, and the end part of the first running rail at the swinging end is aligned with the end part of the second running rail;

the limiting device is used for limiting the movement of the first walking rail at the turning part in the Y direction.

Optionally, one side of bifurcation roof beam is equipped with first support column, counterpoint end with first support column fixed connection, the walking beam the swing end with first support column is connected, be equipped with the spacing subassembly of drive on the first support column, the spacing subassembly of drive is used for the drive the free swing of swing end is used for working simultaneously when the walking beam is when predetermineeing the wobbling position, the restriction the swing end is in the walking of first walking rail is moved on the direction.

Optionally, the limiting device includes a sliding groove, a sliding seat disposed in the sliding groove and capable of freely sliding in the sliding groove, and a clamping mechanism for clamping the sliding seat, and the sliding seat is provided with a rail fastener for fixing the first traveling rail;

when the walking rail is elastically bent, the sliding seat slides to one side of the sliding groove.

Optionally, drive spacing subassembly includes the edge slide rail that first support column width direction laid, locate pulley on the slide rail and be used for the drive the pulley is followed slide rail reciprocating motion's drive arrangement, the pulley with the walking beam the swing end passes through connecting piece fixed connection, the pulley including can gliding sliding part on the slide rail, and locate the spacing portion of sliding part both sides, the inside wall of spacing portion with the lateral wall of slide rail contacts.

Optionally, the driving limiting assembly further comprises a pair of limiting switches arranged on the first supporting column, and the two limiting switches are located at the limit preset swing position of the swing beam.

Optionally, the clamping mechanism includes a pair of clamping arms and a power device for driving the two clamping arms to open or close, and when the swing end of the swing beam swings to a preset position, the two clamping arms clamp the sliding seat.

Optionally, be equipped with on the slide with swing beam predetermine the recess that swing position quantity equals, the tip of clamping arm be equipped with the sand grip of recess looks adaptation, when two clamping arm presss from both sides tightly, the sand grip inlays to be located correspondingly in the recess.

Optionally, first walking rail is including laying in first walking rail A on the fixed beam, laying in first walking rail B and telescopic connector on the walking beam, first walking rail A is close to the one end of walking beam extends to on the walking beam back with first walking rail B's tip passes through telescopic connector connects, or first walking rail B is close to the one end of fixed beam extends to on the fixed beam back with first walking rail A's tip passes through telescopic connector connects.

Optionally, a second supporting column is arranged at one end of the fixed beam close to the swing beam, and the end of the fixed beam is fixedly connected with the second supporting column;

the hinge point is hinged with the second support column through a hinge shaft.

Optionally, a gap is reserved between the first running rail and the second running rail at the swinging end, and the swinging beam is connected with the bifurcation beam through a locking device at a preset swinging position;

the locking device comprises a locking driving device arranged on the swing beam or the bifurcation beam, the output end of the locking driving device is connected with a locking pin, and the locking driving device is used for driving the locking pin to do linear reciprocating motion in the walking direction;

and the locking seat is matched with the locking pin and used, and the locking seat is arranged on the swinging beam and/or the bifurcation beam.

The embodiment of the utility model provides a track traffic's track roof beam switch mechanism, its working process and technological effect as follows:

the utility model provides a turnout mechanism, which comprises a fixed beam paved with a first walking rail and at least two bifurcation beams paved with a second walking rail, wherein the first walking rail and the fixed beam form a main track, and the second walking rail and the bifurcation beams form a bifurcation track; in addition, the turnout mechanism is also provided with a swing beam forming a variable track, two ends of the swing beam are respectively a hinged end and a swing end, a hinged point is arranged on the swing beam close to the hinged end, the swing end of the swing beam can swing freely in a horizontal plane by taking the hinged point as a circle center, so that the swing end of the swing beam can swing to be aligned with alignment ends of different forked beams, a turn is formed between the hinged end of the swing beam and the end part of the fixed beam, and one end of a first traveling rail laid on the fixed beam extends to the swing end of the swing beam; when the line is not required to be switched, the fixed beam, the swinging beam and the straight bifurcation beam are positioned on the same straight line, the first running rail laid on the fixed beam and the swinging beam is also in a straight line state, the rail vehicle can normally run to the second running rail of the straight bifurcation beam through the first running rail, when the line is required to be switched, the swinging end of the swinging beam swings to align the swinging end of the swinging beam with the alignment end of any bifurcation beam in a diagonal state positioned on two sides of the straight bifurcation beam, and the swinging end of the swinging beam can drive the first running rail at the turning part between the hinged end of the swinging beam and the end part of the fixed beam to be elastically bent while swinging, so that the first running rail is always in a continuous state, thus completing the line switching work once, and fixing the first running rail at the turning part, which is elastically bent, by the limiting device after the line is switched, the track gauge of the first running rail is guaranteed not to change, and at the moment, the rail vehicle can directly run from the first running rail to the second running rail of the bifurcation beam in an oblique line state.

Through the aforesaid setting, replacing current translation formula switch mechanism, in order to simplify switch mechanism's structure, on the basis of the efficiency that improves the circuit and switch, but through independent setting swing beam, realize reducing whole variable orbital deflection to being located the first walking rail of turn department when the circuit switches, thereby the deflection of variable track when the circuit switches has been reduced greatly, the life of swing beam has been improved, can improve the stability of whole switch mechanism at the actual motion in-process simultaneously, guarantee rail vehicle can be in switch mechanism department normal operating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a turnout mechanism provided by an embodiment of the present invention;

fig. 2 is a top view of the swing beam according to the embodiment of the present invention when swinging to the left;

fig. 3 is a top view of the swing beam and the fixed beam provided by the embodiment of the present invention being in the same line;

fig. 4 is a top view of the swing beam according to the embodiment of the present invention when swinging to the right;

fig. 5 is a top view of the internal structure of the walking beam swinging to the left according to the embodiment of the present invention;

fig. 6 is a top view of the internal structure of the swing beam and the fixed beam provided by the embodiment of the present invention when they are on the same straight line;

fig. 7 is a top view of an internal structure of the walking beam swinging to the right according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of the walking beam swinging to the left according to the embodiment of the present invention;

FIG. 9 is an enlarged view taken at A in FIG. 5;

FIG. 10 is an enlarged view of FIG. 5 at B;

fig. 11 is a schematic structural view of a limiting device according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a sliding seat according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;

FIG. 14 is a cross-sectional C-C view of the walking beam of FIG. 9 as it swings to the left;

FIG. 15 is a C-C cross-sectional view of the walking beam and the fixed beam of FIG. 9 when they are in alignment;

FIG. 16 is a cross-sectional C-C view of the walking beam of FIG. 9 as it swings to the right;

fig. 17 is a side view of a switch mechanism according to an embodiment of the present invention;

FIG. 18 is a sectional view taken along line D-D of FIG. 12;

figure 19 is a side view of a pulley provided by an embodiment of the present invention;

fig. 20 is an enlarged view at E in fig. 17.

Icon: 1-fixed beam, 101-first running rail, 1011-first running rail a, 1012-first running rail B, 1013-telescopic connector, 2-bifurcation beam, 201-second running rail, 202-alignment end, 3-swinging beam, 301-hinged end, 302-swinging end, 4-limiting device, 401-sliding groove, 402-sliding seat, 4021-groove, 403-clamping mechanism, 4031-clamping arm, 4032-power device, 4033-raised strip, 404-rail fastener, 5-first support column, 6-drive locking component, 601-sliding rail, 602-pulley, 6021-sliding part, 6022-limiting part, 603-drive device, 604-connecting piece, 605-limit switch, 7-second support column, 8-articulated shaft, 9-supporting seat, 10-locking device, 1001-locking driving device, 1002-locking pin and 1003-locking seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

first, the X direction mentioned in the present embodiment is the running direction of the first running rail 101; the Y direction is a direction perpendicular to the running direction of the first running rail 101 and in the same horizontal plane as the running direction of the first running rail 101; the Z direction is a direction vertical to the ground; the first running rails 101 laid on the fixed beam 1 include two first running rails 101 arranged in parallel, and the second running rails 201 laid on the same bifurcated beam 2 include two second running rails 201 arranged in parallel.

Referring to fig. 1 to 7, a track beam turnout mechanism for track traffic includes a fixed beam 1 laid with a first running rail 101, the first running rail 101 and the fixed beam 1 constitute a main track portion, and at least two diverging beams 2 laid with a second running rail 201, the second running rail 201 and the diverging beams 2 constitute diverging tracks, one end of the diverging beams 2 is an alignment end 202, the number of the diverging beams 2 is determined according to the number of lines required for actual line switching, in this embodiment, three diverging tracks are taken as an example for illustration;

the turnout mechanism further comprises a swing beam 3 arranged between the fixed beam 1 and the branch beam 2, wherein one end of the swing beam 3 close to the fixed beam is a hinged end 301, the other end of the swing beam is a swing end 302, the swing beam 3 close to the hinged end 301 is provided with a hinged point, the swing end 302 swings freely with the hinged point as a circle center, namely the swing end 302 swings freely between the branch beam 2 and the fixed beam 1, and the alignment end 202 of any branch beam 2 is aligned with the swing end 302 of the swing beam 3 at a preset swing position, for the position of the hinged point, the turnout mechanism can be arranged at the hinged end 301 of the swing beam 3 in implementation, or can be arranged in an area close to the hinged end 301 of the swing beam 3, and the specific position of the hinged point is not limited herein; in the embodiment, the swing beam 3 has three preset swing positions, that is, the swing beam 3 is aligned with the branched beam 2 in a straight line state, the swing beam 3 is aligned with the branched beam 2 in a diagonal line state on the left side, and the swing beam 3 is aligned with the branched beam 2 in a diagonal line state on the right side, and the swing end 302 of the swing beam 3 is swung to be located at any one of the three preset swing positions;

meanwhile, a turn is formed between the hinged end 301 of the swing beam 3 and the end of the fixed beam 1, and one end of the first running rail 101 close to the swing beam 3 extends to the swing end 302 along the swing beam 3, i.e. the running rail laid on the fixed beam 1 and the running rail laid on the swing beam 3 are of an integrated structure, and together form the first running rail 101;

wherein, when the swing beam 3 swings to the side position, the side position refers to the preset swing position of the swing beam 3 when the swing beam 3 is aligned with the branch beam 2 in the oblique line state on the left side or when the swing beam 3 is aligned with the branch beam 2 in the oblique line state on the right side, the first running rail 101 at the turning position is elastically bent, after the swing beam 3 swings, the rail vehicle can still run from the first running rail 101 of the fixed beam 1 to the first running rail 101 of the swing beam 3, and the first running rail 101 which is elastically bent can be the first running rail 101 on the fixed beam 1, the first running rail 101 on the walking beam 3 or the first running rail 101 in the area between the fixed beam 1 and the walking beam 3, and the end of the first running rail 101 at the swing end 302 is aligned with the end of the second running rail 201, after the line is switched, the rail vehicle can smoothly run from the first running rail 101 to the second running rail 201; referring to fig. 8, the swing angle α of the swing beam 3 should satisfy: alpha is more than or equal to 0 degree and less than 8 degrees, and the condition that the first running rail 101 at the turning part is deformed and invalid under the condition of overlarge swinging angle is prevented;

in addition, referring to fig. 9 and 11, the turnout mechanism further includes a plurality of limiting devices 4 disposed on the fixed beam 1 and/or the swing beam 3, the limiting devices 4 are used for limiting the movement of the first running rail 101 at the turning point in the Y direction, so as to prevent the track gauge between the two parallel first running rails 101 from changing after the line switching, thereby affecting the normal passing of the railway vehicle, it should be noted that the limiting devices 4 are only used for limiting the movement of the first running rail 101 after the line switching is successful, and during the line switching, the limiting devices 4 are ineffective for limiting the first running rail 101, so as to prevent the first running rail 101 at the turning point from being elastically bent;

specifically, the limiting device 4 includes a sliding slot 401, a sliding seat 402 disposed in the sliding slot 401 and capable of sliding freely in the sliding slot 401, and a clamping mechanism 403 for clamping the sliding seat 402, where the clamping mechanism 403 is capable of locking the sliding seat 402 at the same time, so that when the swinging beam 3 swings in three preset directions, the sliding seat 402 is located at a corresponding position of the first running rail 101 and locked, a rail fastener 404 for fixing the first running rail 101 is disposed on the sliding seat 402, and it is worth mentioning that the rail fastener 404 is used for limiting the movement of the first running rail 101 in the Y direction and the Z direction, and by disposing some wear-resistant sliding protrusions, such as balls, rollers and the like, on a wall of the rail fastener 404 contacting with the first running rail 101, the first running rail 101 can still have a certain sliding capability in the X direction after the rail fastener 404 fixes the first running rail 101, so as to adapt to the expansion and contraction phenomena of the first running rail 101 when the first running rail is paved in a ground area with large temperature difference;

when the first running rails 101 are elastically bent, the sliding base 402 slides to one side of the sliding groove 401, specifically, when the swinging beam 3 is abutted to the bifurcation beam 2 in a linear state, the two first running rails 101 arranged in parallel are not elastically bent, referring to fig. 15, at this time, the sliding base 402 is in the middle of the sliding groove 401, and both side walls of the sliding base 402 are not in contact with both side walls of the sliding groove 401; when the swing beam 3 is butted with the forked beam 2 with the oblique line state on the left side, the two first running rails 101 arranged in parallel are elastically bent, referring to fig. 14, at the moment, the sliding seats 402 at the two first running rails 101 arranged in parallel slide towards the left side, wherein one side wall of the sliding seat 402 is butted with one side wall of the sliding groove 401; when the swing beam 3 is abutted with the right oblique branched beam 2, the two parallel first running rails 101 are elastically bent, and referring to fig. 16, the sliding seats 402 at the two parallel first running rails 101 slide towards the right side, wherein one side wall of the sliding seat 402 is abutted with one side wall of the sliding groove 401. Therefore, the sliding seat 402 slides in the sliding groove 401 to ensure that the track gauge between the two first running rails 101 is unchanged after the two first running rails 101 arranged in parallel are elastically bent, and it should be noted that the maximum sliding stroke of the sliding seat 402 in the sliding groove 401 is equal to the maximum swinging stroke of the swinging beam 3.

Referring to fig. 12 and 13, the clamping mechanism 403 includes a pair of clamping arms 4031 and a power device 4032 for driving the two clamping arms 4031 to open or close, which is not described in detail herein; when the swing end 302 of the swing beam 3 swings to a preset position, the two clamping arms 4031 clamp the sliding seat 402 to prevent the sliding seat 402 from being still in the sliding groove 401 after the line switching is completed, so that the track gauge between the two first running rails 101 arranged in parallel changes again; furthermore, the slide 402 is provided with grooves 4021 equal in number to the preset swing positions of the swing beam 3, the ends of the clamp arms 4031 are provided with protruding strips 4033 matched with the grooves 4021, and when the two clamp arms 4031 are clamped, the protruding strips 4033 are embedded in the corresponding grooves 4021, that is, when the swing beam 3 is butted against the branched beam 2 in a straight line state, the protruding strips 4003 on the clamp arms 4031 are embedded in the middle grooves 4021; when the swing beam 3 is abutted with the bifurcated beam 2 on the left side in a diagonal line state, the convex strip 4003 on the clamp arm 4031 is embedded in the groove 4021 on the left side; when the swing beam 3 is abutted with the bifurcated beam 2 on the right side in a diagonal line state, the convex strip 4003 on the clamp arm 4031 is embedded in the groove 4021 on the right side; by providing the raised strip 4033 and the recesses 4021, the locking slide 402 is clamped by the clamping mechanism 403, which improves the stability of the clamping arm 4031 after clamping the slide.

In the present embodiment, referring to fig. 1, 17 to 19, considering that the swinging beam 3 itself will also expand with heat and contract with cold in a region with a large temperature difference change, in order to overcome this technical problem, a first support pillar 5 is provided at one side of the branch beam 2, the alignment end 202 of the branch beam 2 is fixedly connected with the first support pillar 5, the swinging end 302 of the swinging beam 3 is connected with the first support pillar 5, and a driving limit component 6 is provided on the first support pillar 5, the driving limit component 6 is used for driving the swinging end 302 to swing freely and simultaneously limiting the movement of the swinging end 302 in the traveling direction of the first traveling rail 101 when the swinging beam 3 is at the preset swinging position, so as to realize that when the swinging beam 3 reaches the preset swinging position, the swinging end 302 thereof is used as a fixed end, and the hinged end 301 thereof is used as a free end, so as to transfer the expansion with heat and contraction with cold of the swinging beam 3 to the hinged end 301, the expansion and contraction phenomena of the oscillating beam 3 are eliminated through the expansion and contraction of the hinged end 301, and the stability of the oscillating end 302 is improved, so that the stability of the whole turnout mechanism after the circuit switching is finished is improved;

specifically, the driving limiting assembly 6 includes a sliding rail 601 laid along the width direction of the first support column 5, a pulley 602 disposed on the sliding rail 601, and a driving device 603 for driving the pulley 602 to reciprocate along the sliding rail 601, the pulley 602 is fixedly connected with the swinging end 302 of the swinging beam 3 through a connecting member 604, and the specific shape and structure of the connecting member 604 are not limited; the pulley 602 comprises a sliding part 6021 capable of sliding on the sliding rail 601 and limiting parts 6022 arranged on two sides of the sliding part 6021, wherein the inner side wall of the limiting part 6022 is in contact with the side wall of the sliding rail 601, so that the movement of the swinging end 302 of the swinging beam 3 in the traveling direction is limited by the limiting part 6022; it should be noted that the limiting part 6022 may be two relatively fixed limiting blocks shown in the figure, or may be implemented by horizontally arranging two rollers, that is, two horizontally arranged rollers serve as the limiting part 6022 to clamp the slide rail 601 in the middle, and can also serve the purpose of limiting the movement of the swinging end 302 of the swinging beam 3 in the traveling direction;

in addition, the driving limit assembly 6 further comprises a pair of limit switches 605 arranged on the first support column 5, and the two limit switches 605 are located at the limit preset swing position of the swing beam 3, so that the swing stroke of the swing beam 3 is controlled within a reasonable range through the two limit switches 603, and the problem that the swing beam 3 swings too much due to misoperation to cause line switching failure is avoided.

In this embodiment, considering that the first running rail 101 itself expands with heat and contracts with cold in the actual implementation process, referring to fig. 10, in order to solve this technical problem, the first running rail 101 includes a first running rail a1011 laid on the fixed beam 1, a first running rail B1012 laid on the swing beam 3, and a telescopic connector 1013, where there are two states, that is, one end of the first running rail a1011 near the swing beam 3 extends onto the swing beam 3 and then is connected with the end of the first running rail B1012 through the telescopic connector 1013 so as to form an adaptive telescopic structure to adapt to the expansion with heat and contraction with cold of the first running rail 101, or one end of the first running rail B1012 near the fixed beam 1 extends onto the fixed beam 1 and then is connected with the end of the first running rail a1011 through the telescopic connector 1013 so as to form an adaptive telescopic structure to adapt to the expansion with heat and contraction with cold of the first running rail 101, meanwhile, the telescopic connector 1013 can also adapt to the length change caused by the elastic bending of the first running rail 101; for the telescopic connector, which belongs to the prior art in the field, an adaptive telescopic structure may be formed by providing a tip at the end of the first running rail a1011 and the first running rail B1012, or an adaptive telescopic structure may be formed at the joint of the first running rail a1011 and the first running rail B1012 by providing a telescopic connector.

In this embodiment, with continued reference to fig. 17, the end of the fixed beam 1 close to the swing beam 3 is provided with a second support pillar 7, and the end of the fixed beam 1 is fixedly connected to the second support pillar 7;

the hinged point arranged on the oscillating beam 3 is hinged with the second supporting column 7 through a hinged shaft 8, and in order to meet the requirement that the hinged end 301 of the oscillating beam 3 is used as a free end to eliminate the phenomenon of expansion with heat and contraction with cold of the oscillating beam 3, a strip-shaped hinged groove is arranged at the hinged point of the oscillating beam 3, a sliding block capable of freely sliding is arranged in the hinged groove, the length direction of the hinged groove is parallel to the axis of the oscillating beam 3, the hinged shaft 8 is hinged with the sliding block after being inserted into the hinged groove, and the sliding block freely moves in the hinged groove along the length direction of the hinged groove to drive the hinged shaft 8 to freely move in the hinged groove along the length direction of the hinged groove so as to adapt to the phenomenon of expansion with heat and contraction with cold of the oscillating;

furthermore, in order to improve the stability of the swing beam 3 during the swinging process, a support seat 9 is provided at the hinge end 301 of the swing beam 3, the support seat 9 is provided at the top surface of the swing beam 3, wherein the support seat 9 is provided with a sliding portion slidably connected with the second support pillar 5, the support seat 9 gives a stabilizing force to the hinge end 301 while the hinge end 301 of the swing beam 3 rotates during the swinging process, and the sliding of the support seat 9 can give a sliding margin to the swing beam 3 at the hinge end 301 to prevent the swing beam 3 at the hinge end 301 from being deformed.

In the embodiment, referring to fig. 20, a gap is reserved between the first running rail 101 and the second running rail 201 at the swinging end 302, and in order to meet the running requirement of the railway vehicle, the gap reserved between the first running rail 101 and the second running rail 201 is less than 10 mm; when the swing beam 3 swings to a preset swing position, the swing beam is connected with the branch beam 2 through the locking device 10; the locking device 10 comprises a locking driving device 1001 arranged on the swing beam 3 or the bifurcation beam 2, the output end of the locking driving device 1001 is connected with a locking pin 1002, the locking driving device 1001 is used for driving the locking pin 1002 to do linear reciprocating motion in the traveling direction of the first traveling rail 101, the locking driving device can adopt an electric push rod, an air cylinder, a hydraulic cylinder and other similar linear driving devices, and the specific selection of which device can be determined according to actual conditions; the locking seats 1003 are matched with the locking pins 1002 for use, the locking seats 1003 are arranged on the swinging beam 3 and/or the bifurcation beam 2, the arrangement positions and the number of the locking seats 1003 are not limited, the locking pins 1002 are driven by the locking driving device 1001 to be inserted into the locking seats 1003, and the swinging beam 3 and the corresponding bifurcation beam 2 are locked; of course, the locking device 10 described above can also be replaced by other mechanisms or devices with similar action principles, which are not listed here.

It is worth explaining that, the switch mechanism provided by the embodiment of the present invention, except for the arrangement of one swing beam 3, when the distance between the fixed beam 1 and the bifurcation beam 2 is large, can also adopt the form of arranging more swing beams 3 to complete the line switching, i.e. the plurality of swing beams 3 are arranged in a line and are aligned end to end in sequence, wherein each swing beam 3 has a hinged end 301 and a swing end 302, the actual installation mode is the same as the installation mode of the swing beam 3, so that the swing beam 3 close to the fixed beam 1 and the adjacent swing beams 3 are all turned, the first traveling rail 101 at the turning position can be elastically bent, and the plurality of swing beams 3 form a mechanism similar to a folding arm; when the line switching is required, the swing ends 302 of the plurality of swing beams 3 swing toward the same side, and when the swing ends 302 of the swing beams 3 close to the corresponding branch beam 2 are aligned with the branch beam 2, the line switching process is completed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a track roof beam switch mechanism of track traffic, including laying fixed beam (1) of first walking rail (101) and at least two fork roof beams (2) of laying second walking rail (201), the one end of fork roof beam (2) is counterpoint end (202), its characterized in that:

the swinging beam positioning device comprises a fixed beam (1), a swinging beam (3) and a plurality of limiting devices (4), wherein the swinging beam (3) is arranged between the fixed beam (1) and the branch beams (2), the limiting devices (4) are arranged on the fixed beam (1) and/or the swinging beam (3), one end, close to the fixed beam, of the swinging beam (3) is a hinged end (301), the other end of the swinging beam (3) is a swinging end (302), a hinged point is arranged on the swinging beam (3) close to the hinged end (301), the swinging end (302) swings freely by taking the hinged point as the center of a circle, and the alignment end (202) of any branch beam (2) is aligned with the swinging end (302) of the swinging beam (3) at a preset swinging position;

a turn is formed between the hinged end (301) and the end part of the fixed beam (1), and one end of the first running rail (101) close to the swinging beam (3) extends to the swinging end (302) along the swinging beam (3);

when the swinging beam (3) swings to a lateral position, the first running rail (101) at the turning position is elastically bent, and the end part of the first running rail (101) at the swinging end (302) is aligned with the end part of the second running rail (201);

the limiting device (4) is used for limiting the movement of the first walking rail (101) at the turning position in the Y direction.

2. The track beam switch mechanism of track traffic as claimed in claim 1, wherein: one side of fork roof beam (2) is equipped with first support column (5), counterpoint end (202) with first support column (5) fixed connection, walking beam (3) swing end (302) with first support column (5) are connected, be equipped with drive spacing subassembly (6) on first support column (5), drive spacing subassembly (6) are used for the drive swing end (302) free swing is used for working simultaneously when walking beam (3) is when predetermineeing the wobbling position, and the restriction swing end (302) is in walk the ascending motion of line direction of first walking rail (101).

3. The track beam switch mechanism of track traffic as claimed in claim 1, wherein: the limiting device (4) comprises a sliding groove (401), a sliding seat (402) which is arranged in the sliding groove (401) and can freely slide in the sliding groove (401), and a clamping mechanism (403) for clamping the sliding seat (402), wherein a track fastener (404) for fixing the first traveling rail (101) is arranged on the sliding seat (402);

wherein, when the running rail (101) is elastically bent, the sliding seat (402) slides to one side of the sliding groove (401).

4. The track beam switch mechanism of track traffic as claimed in claim 2, wherein: the driving limiting assembly (6) comprises a sliding rail (601) laid along the width direction of the first supporting column (5), a pulley (602) arranged on the sliding rail (601), and a driving device (603) used for driving the pulley (602) to reciprocate along the sliding rail (601), wherein the pulley (602) is fixedly connected with the swinging end (302) of the swinging beam (3) through a connecting piece (604), the pulley (602) comprises a sliding part (6021) capable of sliding on the sliding rail (601), and limiting parts (6022) arranged on two sides of the sliding part (6021), and the inner side wall of the limiting part (6022) is in contact with the side wall of the sliding rail (601).

5. The track beam switch mechanism of track traffic as claimed in claim 4, wherein: the driving limit assembly (6) further comprises a pair of limit switches (605) arranged on the first supporting column (5), and the two limit switches (605) are located at the limit preset swing position of the swing beam (3).

6. The track beam switch mechanism of track traffic as claimed in claim 3, wherein: the clamping mechanism (403) comprises a pair of clamping arms (4031) and a power device (4032) for driving the two clamping arms (4031) to open or close, the two clamping arms (4031) clamping the sledge (402) when the swing end (302) of the walking beam (3) is swung to a preset position.

7. The track beam switch mechanism of track traffic as claimed in claim 6, wherein: the sliding seat (402) is provided with grooves (4021) with the same number of preset swing positions of the swing beam (3), the end part of each clamping arm (4031) is provided with a convex strip (4033) matched with the grooves (4021), and when the two clamping arms (4031) are clamped, the convex strips (4033) are embedded in the corresponding grooves (4021).

8. The track beam switch mechanism of track traffic as claimed in claim 1, wherein: first walking rail (101) including lay in first walking rail A (1011), lay on fixed beam (1) walk rail B (1012) and telescopic connector (1013) are walked to first on walking beam (3), first walking rail A (1011) are close to the one end of walking beam (3) extends to after walking beam (3) is gone up with the tip of first walking rail B (1012) passes through telescopic connector (1013) are connected, or first walking rail B (1012) are close to the one end of fixed beam (1) extends to after fixed beam (1) is gone up with the tip of first walking rail A (1011) passes through telescopic connector connects (1013).

9. The track beam switch mechanism of track traffic as claimed in claim 1, wherein: a second supporting column (7) is arranged at one end, close to the swing beam (3), of the fixed beam (1), and the end part of the fixed beam (1) is fixedly connected with the second supporting column (7);

the hinge point is hinged with the second support column (7) through a hinge shaft (8).

10. The track beam switch mechanism of track traffic as claimed in claim 1, wherein: a gap is reserved between the first running rail (101) and the second running rail (201) at the swinging end (302), and the swinging beam (3) is connected with the branch beam (2) through a locking device (10) at a preset swinging position;

the locking device (10) comprises a locking driving device (1001) arranged on the swing beam (3) or the bifurcation beam (2), the output end of the locking driving device (1001) is connected with a locking pin (1002), and the locking driving device (1001) is used for driving the locking pin (1002) to do linear reciprocating motion in the walking direction;

and a locking seat (1003) used in cooperation with the locking pin (1002), wherein the locking seat (1003) is provided on the swing beam (3) and/or the branch beam (2).