CN211995544U

CN211995544U - Bottom support mechanism for rail transit platform door

Info

Publication number: CN211995544U
Application number: CN202020599814.2U
Authority: CN
Inventors: 殷美秀; 刘丹华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-24
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a rail transit technical field, and disclose a rail transit platform bottom sprag mechanism for door, including being fixed in platform and the electronic guard gate on ground, the logical groove of bar has all been seted up to the front side lower extreme of two platforms, the equal fixedly connected with rack of both sides lower extreme of two electronic guard gates, the rack is connected with the cell wall contact that the groove was led to the bar, and extend to the platform outside, the front side of two platforms all is provided with the footboard, one side bottom ground of keeping away from mutually of two platforms is seted up flutedly, be provided with supporting mechanism in the recess, the equal fixedly connected with L shaped plate in both sides around one side is kept away from mutually of two platforms, the front side of two platforms all is provided. The utility model discloses can increase the stability of platform bottom, improve the security when platform door uses simultaneously.

Description

Bottom support mechanism for rail transit platform door

Technical Field

The utility model relates to a rail transit technical field especially relates to a rail transit platform bottom sprag mechanism for door.

Background

The rail transit is a type of transportation means or transportation system in which an operating vehicle needs to run on a specific rail, common rail transit is traditional railways, subways, light rails and trams, and a platform door is often used in an existing rail transit use station to separate passengers from the subway trams and the like, so that the passengers are protected.

When installing, current track traffic platform door generally adopts bolt and platform door and ground to fasten, but live time process or crowd can make the bolt perk to platform door extrusion to the influence supports stably, has the clearance simultaneously between current platform door and the vehicle, and the passenger is absorbed in the clearance very probably when not paying attention to, causes certain danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art platform door and making the bottom sprag of platform door unstable when receiving to push, the pedestrian is absorbed in the clearance between platform door and the vehicle track easily simultaneously, causes dangerous problem, and the bottom sprag mechanism for rail transit platform door that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rail transit platform door is with bottom sprag mechanism, is including being fixed in platform and the electronic guard gate on ground, two the bar logical groove has all been seted up to the front side lower extreme of platform, two the equal fixedly connected with rack of both sides lower extreme of electronic guard gate, the rack is connected with the cell wall contact that the groove was led to the bar, and extends to the platform outside, two the front side of platform all is provided with the footboard, two one side bottom ground of keeping away from mutually of platform is seted up flutedly, be provided with supporting mechanism, two the equal fixedly connected with L shaped plate in both sides around keeping away from one side mutually of platform, two the front side of platform all is provided with footboard slewing mechanism.

Preferably, the supporting mechanism includes fixed block, slide bar and connecting rod, the cell wall fixed connection of fixed block and recess, and the bottom fixed connection of top and platform, the both ends of slide bar and the both sides fixed connection of recess, the fixed block cup joints with the pole wall of slide bar slides, two the equal first U-shaped piece of fixedly connected with in bottom of L shaped plate, the movable block has all been cup jointed in the both ends of slide bar sliding, two the top fixedly connected with second U-shaped piece of movable block, first U-shaped piece and second U-shaped piece rotate with the connecting rod and are connected, the pole wall of slide bar has all cup jointed the spring, two the both ends of spring are respectively with one side fixed connection that movable block and recess are close to mutually.

Preferably, the footboard slewing mechanism includes the gear, two the front side of platform all rotates through first rolling bearing and is connected with the montant, the pole wall top fixed connection of gear and montant, the first bevel gear of pole wall upper end fixedly connected with of montant, two the equal fixedly connected with stopper of front side lower extreme of platform, two the stopper is provided with the horizontal pole through second rolling bearing lateral rotation, the left end fixedly connected with second bevel gear of horizontal pole, first bevel gear and second bevel gear meshing, the bottom of footboard and the pole wall right-hand member upside fixed connection of horizontal pole.

Preferably, the first U-shaped block and the second U-shaped block are respectively connected with two ends of the connecting rod in a rotating manner through shaft pins.

Preferably, the spring is an extension spring and is made of alloy spring steel.

Preferably, both sides of the L-shaped plate far away from the platform are fixedly connected with the platform through bolts.

Compared with the prior art, the utility model provides a bottom sprag mechanism for track traffic platform door possesses following beneficial effect:

1. this bottom sprag mechanism for track traffic platform door through L shaped plate and the supporting mechanism that is equipped with, supports the bottom of platform door, can't play the supporting role to the bottom of platform door when preventing to carry out the bolt perk that fastens to the platform door, improves support stability.

2. This track traffic platform bottom sprag mechanism for door through platform, electronic guard gate and footboard and the footboard slewing mechanism that is equipped with, makes the footboard put down when the guard gate is opened, covers the clearance between platform door and the vehicle track, and the passenger of being convenient for is about, and the reduction is absorbed in danger.

3. This bottom sprag mechanism for track traffic platform door is through the footboard that is equipped with, is rotatable with the footboard setting, does not influence the normal driving to the vehicle when the passenger of being convenient for uses from top to bottom.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation effectively supports the bottom of platform door, prevents that the long run of platform door from producing and rocking, carries out the closing cap to the clearance between platform door and the track simultaneously, prevents that the passenger from being absorbed in the clearance, improves the safety in utilization.

Drawings

Fig. 1 is a schematic structural view of a bottom support mechanism for a rail transit platform door according to the present invention;

FIG. 2 is a schematic side view of the structure of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 2.

In the figure: the device comprises a platform 1, an electric protective door 2, a rack 3, a pedal 4, a 5L-shaped plate, a fixed block 6, a sliding rod 7, a connecting rod 8, a first U-shaped block 9, a moving block 10, a second U-shaped block 11, a spring 12, a gear 13, a vertical rod 14, a first bevel gear 15, a limiting block 16, a cross rod 17 and a second bevel gear 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a bottom supporting mechanism for rail transit platform door, including platform 1 and electronic guard gate 2 that are fixed in ground, the bar is led to the groove all has been seted up to the front side lower extreme of two platform 1, the equal fixedly connected with rack 3 of both sides lower extreme of two electronic guard gate 2, rack 3 is connected with the cell wall contact that the groove was led to the bar, it moves in platform 1 inside to set up the bar and lead to groove 2 electronic guard gate 2 drive rack 3 of being convenient for, and extend to the platform 1 outside, the front side of two platform 1 all is provided with footboard 4, the one side bottom ground of keeping away from mutually of two platform 1 is seted up flutedly, it is convenient for fixed of supporting mechanism to set up the recess, be provided with supporting mechanism in the recess, the equal fixedly connected with L shaped plate 5 in both sides around one side was kept away.

The supporting mechanism comprises a fixed block 6, a sliding rod 7 and a connecting rod 8, the fixed block 6 is fixedly connected with the groove wall of the groove, the top of the fixed block is fixedly connected with the bottom of the platform 1, the two ends of the sliding rod 7 are fixedly connected with the two sides of the groove, the fixed block 6 is slidably sleeved with the rod wall of the sliding rod 7, first U-shaped blocks 9 are fixedly connected with the bottoms of the two L-shaped plates 5, moving blocks 10 are slidably sleeved at the two ends of the sliding rod 7, second U-shaped blocks 11 are fixedly connected with the tops of the two moving blocks 10, the first U-shaped blocks 9 and the second U-shaped blocks 11 are rotatably connected with the connecting rod 8, springs 12 are sleeved on the rod wall of the sliding rod 7, the springs 12 have strong elastic force to restore 12, certain reaction force is applied to the moving blocks 10, and the two ends of.

The pedal rotating mechanism comprises a gear 13, the front sides of the two platforms 1 are rotatably connected with a vertical rod 14 through a first rotating bearing, the gear 13 is fixedly connected with the top of the rod wall of the vertical rod 14, the upper end of the rod wall of the vertical rod 14 is fixedly connected with a first bevel gear 15, the lower ends of the front sides of the two platforms 1 are fixedly connected with limit blocks 16, the two limit blocks 16 are transversely and rotatably provided with cross rods 17 through second rotating bearings, the limit blocks 16 and the second rotating bearings are arranged to increase the transverse rotation stability of the cross rods 17, the left end of each cross rod 17 is fixedly connected with a second bevel gear 18, the first bevel gear 15 is meshed with the second bevel gear 18, the bottom of the pedal 4 is fixedly connected with the upper side of the right end of the rod wall of the cross rod 17, the first U-shaped block 9 and the second U-shaped block 11 are respectively and rotatably connected with the two ends of the connecting rod 8 through shaft pins, the spring, the two sides of the L-shaped plate 5, which are far away from the platform 1, are fixedly connected with the platform 1 through bolts, and the connection and the fastening are improved through the bolt connection.

In the utility model, when the platform 1 is collided and tilted on both sides, the first U-shaped block 9 at the bottom of the L-shaped plate 5 drives the connecting rod 8 and the second U-shaped block 11 to pull, so that the moving block 10 moves on the sliding rod 7, the spring 12 at the other side of the moving block 10 is stretched, so that the reaction force is applied to the moving block 10, so that the moving block 10 drives the L-shaped plate 5 to return to the initial position, the platform 1 is stabilized, when a passenger needs to get on or off the vehicle, the electric protective door 2 is opened, so that the electric protective door 2 drives the rack 3 to move towards both sides, the rack 3 passes through the strip-shaped through groove and is meshed with the gear 13, so that the gear 13 drives the vertical rod 14 to rotate, the first bevel gear 15 at the rod wall of the vertical rod 14 rotates along with the vertical rod 14, and the second bevel gear, the pedal 4 rotates to the horizontal position and covers the gap between the platform door and the traffic track, and passengers get on or off the train through the pedal 4, so that the safety is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rail transit platform door is with bottom sprag mechanism, is including being fixed in platform (1) and electronic guard gate (2) on ground, its characterized in that, two the bar logical groove has all been seted up to the front side lower extreme of platform (1), two the equal fixedly connected with rack (3) of both sides lower extreme of electronic guard gate (2), rack (3) and the cell wall contact connection that the bar led to the groove, and extend to platform (1) outside, two the front side of platform (1) all is provided with footboard (4), two one side bottom ground of keeping away from mutually of platform (1) is seted up flutedly, be provided with supporting mechanism in the recess, two the equal fixedly connected with L shaped plate (5) in both sides around one side is kept away from mutually of platform (1), two the front side of platform (1) all is provided with footboard slewing mechanism.

2. The bottom support mechanism for the rail transit platform door according to claim 1, wherein the support mechanism comprises a fixed block (6), a sliding rod (7) and a connecting rod (8), the fixed block (6) is fixedly connected with the groove wall of a groove, the top of the fixed block is fixedly connected with the bottom of the platform (1), two ends of the sliding rod (7) are fixedly connected with two sides of the groove, the fixed block (6) is in sliding sleeve connection with the rod wall of the sliding rod (7), the bottoms of the two L-shaped plates (5) are both fixedly connected with a first U-shaped block (9), two ends of the sliding rod (7) are both in sliding sleeve connection with a moving block (10), the tops of the two moving blocks (10) are fixedly connected with a second U-shaped block (11), the first U-shaped block (9) and the second U-shaped block (11) are rotatably connected with the connecting rod (8), the rod wall of the sliding rod (7) is both sleeved with a spring (12, two ends of the two springs (12) are respectively fixedly connected with one side of the moving block (10) close to the groove.

3. The bottom support mechanism for a rail transit platform door according to claim 1, the pedal rotating mechanism comprises gears (13), the front sides of the two platforms (1) are respectively and rotatably connected with a vertical rod (14) through a first rotating bearing, the gear (13) is fixedly connected with the top of the rod wall of the vertical rod (14), the upper end of the rod wall of the vertical rod (14) is fixedly connected with a first bevel gear (15), the lower ends of the front sides of the two platforms (1) are both fixedly connected with limiting blocks (16), the two limiting blocks (16) are transversely and rotatably provided with a cross rod (17) through a second rotating bearing, a second bevel gear (18) is fixedly connected at the left end of the cross rod (17), the first bevel gear (15) is meshed with the second bevel gear (18), the bottom of the pedal (4) is fixedly connected with the upper side of the right end of the rod wall of the cross rod (17).

4. The bottom support mechanism for a rail transit platform door according to claim 2, wherein the first U-shaped block (9) and the second U-shaped block (11) are rotatably connected with two ends of the connecting rod (8) through shaft pins respectively.

5. The bottom support mechanism for a rail transit platform door according to claim 2, wherein the spring (12) is an extension spring and is made of an alloy spring steel.

6. The bottom support mechanism for rail transit platform doors according to claim 1, wherein the two sides of the L-shaped plate (5) away from the platform (1) are fastened and connected with the platform (1) by bolts.