An adaptive rail transit evacuation passage structure

Abstract

This invention discloses an adaptive rail transit evacuation passage structure, comprising a passage mounting base plate and a passage mounting platform located above the base plate for laying pedestrian walkways. The passage mounting platform is connected to the base plate via adaptive adjustment structures and adaptive guide structures arranged at intervals and alternating along its length. The passage mounting platform can generate horizontal and rotational displacements relative to the base plate through the adaptive adjustment structures, and can generate rotational displacement about the central axis of the base plate through the adaptive guide structures. Through the adaptive adjustment and adaptive guide structures, the evacuation platform can release a certain angle longitudinally around the base plate, adapting to slight deformations caused by settlement due to train passage on one side of the track, effectively reducing fatigue stress damage to the evacuation platform. Simultaneously, the evacuation platform can also adapt to the operating environment of straight and curved sections of rail transit lines in the horizontal direction.

Description

Technical Field

[0001] This invention relates to the field of rail transit equipment technology, specifically to an adaptive rail transit evacuation channel structure. Background Technology

[0002] Currently, there are two structural forms for evacuation passages used in rail transit: 1. Parallel track beam structure; 2. Concrete box girder structure. When using a parallel track beam structure, the evacuation passage also functions as a maintenance passage. Its main structure includes double columns, a platform, and guardrails, forming a two-level passage structure. When using a concrete box girder structure, the evacuation passage does not function as a maintenance passage. Its main structure includes a single column, a platform, and guardrails, with only an upper-level passage. Both of these structures are purely rigid connections. In a rail transit environment with parallel double-track operation, they cannot compensate for the slight settlement deformation caused by trains passing on one side. Over time, the purely rigid connection evacuation passage structure will undergo plastic deformation or even damage. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the aforementioned background technology and provide an adaptive rail transit evacuation channel structure that can adapt to the settlement of a single-sided track and has a long service life.

[0004] To achieve this objective, the adaptive rail transit evacuation channel structure designed in this invention includes a channel mounting base plate and a channel mounting platform located above the channel mounting base plate for laying pedestrian walkways. The channel mounting platform is connected to the channel mounting base plate by adaptive adjustment structures and adaptive guide structures arranged at intervals and alternating along its length. The channel mounting platform can generate horizontal and rotational displacements relative to the channel mounting base plate through the adaptive adjustment structures, and the channel mounting platform can generate rotational displacements about the central axis of the channel mounting base plate through the adaptive guide structures.

[0005] Furthermore, the horizontal displacement includes longitudinal displacement along the length direction of the channel mounting platform and lateral displacement along the width direction of the channel mounting base plate.

[0006] Furthermore, the left and right sides of the channel mounting platform are respectively connected to the channel mounting base plate through at least one of the aforementioned adaptive adjustment structures.

[0007] Furthermore, the adaptive adjustment structure includes a connecting steel plate fixed to the bottom of the channel mounting platform. The connecting steel plate has a longitudinal adjustment groove arranged along the length direction of the channel mounting platform, and the channel mounting base plate has a transverse adjustment groove arranged along its width direction. An adjustment bolt passes perpendicularly through the transverse adjustment groove and the longitudinal adjustment groove and is connected to an adjustment nut.

[0008] Furthermore, there is a gap between the adjusting nut and the top surface of the connecting steel plate.

[0009] Furthermore, the adaptive guiding structure includes a base plate pin seat fixed to the middle of the channel mounting base plate and a pin seat connecting plate fixed to the bottom of the channel mounting platform. A connecting pin seat is fixed in the middle of the pin seat connecting plate, and the base plate pin seat and the connecting pin seat are hingedly connected by a central rotating shaft arranged along the length direction of the channel mounting base plate.

[0010] Furthermore, the connecting pin seat includes connecting lugs that are vertically fixed to the middle of the front and rear sides of the pin seat connecting plate, and both ends of the central rotating shaft pass through the base plate pin seat and are hinged to the connecting lugs.

[0011] Furthermore, the channel installation platform includes multiple channel installation platform units that are fixedly connected end to end. Each channel installation platform unit has at least one set of front bolt through holes and at least one set of rear bolt through holes at both ends. Each set of front bolt through holes includes one front bolt through hole on the outer surface of the left and right sides of the channel installation platform unit, and each set of rear bolt through holes includes one rear bolt through hole on the outer surface of the left and right sides of the channel installation platform unit. The rear bolt through holes and the front bolt through holes on the same side of two adjacent channel installation platform units are connected and fixed by unit connecting plates, fixing bolts, and fixing nuts.

[0012] Furthermore, the front bolt through hole is an oblong hole arranged along the length of the channel mounting platform unit, and the rear bolt through hole is a circular hole; the fixing bolt includes a fixing connection bolt and a fixing adjustment bolt, and the fixing nut includes a fixing connection nut and a fixing adjustment nut; the fixing connection bolt passes through the unit connecting plate and the rear bolt through hole and is connected to the fixing connection nut, and the fixing adjustment bolt passes through the unit connecting plate and the front bolt through hole and is connected to the fixing adjustment nut.

[0013] Furthermore, buffer supports are fixed to the bottom of both the left and right sides of the channel installation platform, and the buffer supports are arranged at intervals along the length of the channel installation platform.

[0014] The beneficial effects of this invention are as follows: Through the adaptive adjustment structure and adaptive guiding structure, the evacuation platform can release a certain angle longitudinally around the mounting base plate, adapting to the slight deformation caused by settlement due to train passage on one side of the track, effectively reducing fatigue stress damage to the evacuation platform. Simultaneously, the evacuation platform also has a bidirectional adjustment function in the horizontal direction, adapting to the operating environment of both straight and curved sections of rail transit lines. Rubber-plate type buffer supports are installed at the bottom of the evacuation platform, providing vibration damping and isolation functions, effectively reducing noise during adjustment and extending the service life of the evacuation platform. Attached Figure Description

[0015] Figure 1 A perspective view of the adaptive rail transit evacuation channel structure designed in this invention;

[0016] Figure 2 for Figure 1 Partial 3D view of the connection between the central channel installation platform and the channel installation base plate;

[0017] Figure 3 This is an exploded view of the connection structure between the channel mounting platform and the channel mounting base plate in this invention;

[0018] Figure 4 This is a top view of the channel mounting base plate in this invention;

[0019] Figure 5 This is a front view of the connection point between two adjacent unassembled channel mounting platform units in this invention.

[0020] Figure 6 This is a front view of the connection point between two adjacent channel mounting platform units that have been assembled in this invention;

[0021] Figure 7 A schematic diagram of the adaptive rail transit evacuation channel designed in this invention, located in the middle of a two-way track;

[0022] Among them, 1—channel mounting base plate, 2—channel mounting platform (2.1—channel mounting platform unit), 3—connecting steel plate, 4—longitudinal adjustment groove, 5—transverse adjustment groove, 6—adjusting bolt, 7—adjusting nut, 8—base plate pin seat, 9—pin seat connecting plate, 10—connecting pin seat (10.1—connecting ear plate), 11—central rotating shaft, 12—front bolt through hole, 13—rear bolt through hole, 14—unit connecting plate, 15—fixed connecting bolt, 16—fixed adjusting bolt, 17—fixed connecting nut, 18—fixed adjusting nut, 19—buffer support, 20—pedestrian walkway, 21—embedded part, 22—guardrail, 23—track. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0024] like Figure 1 The adaptive rail transit evacuation passage structure shown in Figure 7 includes embedded parts 21 (including but not limited to embedded bolts), passage mounting base plate 1, platform steel grating (pedestrian walkway 20), passage mounting platform 2, guardrail 22, unit connecting plate 14, rubber plate type buffer support 19, base plate pin seat 8, central rotating shaft 11, pin seat connecting plate 9 and connecting pin seat 10, etc.

[0025] Rubber-plate type buffer supports 19 are fixed at intervals along the length of the channel installation platform 2 at the bottom of the channel installation platform 2. The channel installation base plate 1 is fixed to the civil foundation designated by the rail transit line through embedded parts 21. The bottom of the channel installation platform 2 is fixed to the civil foundation through multiple channel installation base plates 1 arranged at intervals along its length. Each channel installation base plate 1 has eight through holes for assembly and connection with the embedded parts 21. A connecting steel plate 3 is welded to the bottom of the channel installation platform 2. The connecting steel plate 3 has four oval holes along the length of the channel installation platform for adjusting the longitudinal position of the channel installation platform 2. The transverse adjustment groove 5 on the channel installation base plate 1 is used to adjust the transverse position of the channel installation platform 2. The longitudinal adjustment groove 4 is located above the transverse adjustment groove 5. The two are connected and fastened by adjusting bolts 6 and adjusting nuts 7. When fastening, a certain gap is reserved between the connecting steel plate 3 and the adjusting nut 7 to allow the channel installation platform 2 to rotate freely and ensure that the position of the channel installation platform 2 in the vertical direction is adjustable.

[0026] The channel mounting platform 2 and the channel mounting base plate 1 located in the middle are hinged together by the base plate pin seat 8, the central rotating shaft 11 and the connecting pin seat 10.1 to form a rotating pair. The base plate pin seat 8 is fixed to the channel mounting base plate 1 by bolts, and the connecting pin seat 10 is fixedly connected to the pin seat connecting plate 9. The pin seat connecting plate 9 is fixed to the channel mounting platform body 2 by bolts.

[0027] The passageway installation platform 2 consists of multiple interconnected passageway installation platform units 2.1. Each unit 2.1 has a connecting oblong hole (front bolt through hole 12) and a round hole (rear bolt through hole 13) at both ends. Adjacent units 2.1 can be connected using a unit connecting plate 14 with fixing bolts and nuts. The oblong holes compensate for installation errors, allowing the passageway installation platform 2 to be continuously extended and assembled. After installation and adjustment, a platform steel grating (pedestrian walkway 20) is laid. After the steel grating is laid, guardrails 22 are installed and secured to the passageway installation platform 2 with bolts. The installation of the evacuation passageway is completed through these steps.

[0028] like Figure 7 As shown, when a train passes over the track 23 on one side, the track on that side will experience slight settlement. At this time, the evacuation platform 2 will rotate around the central axis 11, releasing the rotational freedom of the evacuation platform 2, thereby reducing mechanical damage to the evacuation passage and improving its service life. While the evacuation platform rotates slightly, the rubber plate supports (buffer supports 19) arranged below the evacuation passage also play a role. The deformation of the rubber plate supports absorbs the energy released by the rotational freedom of the evacuation passage, while also enhancing the vibration damping and isolation effect of the evacuation passage and reducing noise.

[0029] In summary, this invention, through its adaptive adjustment structure composed of connecting steel plate 3, channel mounting base plate 1, adjusting bolts 6, and adjusting nuts 7, and its adaptive guiding structure composed of base plate pin seat 8, pin seat connecting plate 9, and connecting pin seat 10, allows the evacuation platform to release a certain angle longitudinally around the channel mounting base plate 1. This rotation adapts to the slight deformation caused by settlement due to train passage on one side of the track, effectively reducing fatigue stress damage to the evacuation platform. Simultaneously, the evacuation platform also has bidirectional adjustment capabilities in the horizontal direction, adapting to both straight and curved sections of rail transit lines. Rubber-plate type buffer supports 19 are installed at the bottom of the evacuation platform, providing vibration damping and effectively reducing noise during adjustment, thus extending the platform's service life.

[0030] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the structure of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. An adaptive rail transit evacuation passage structure, characterized in that: It includes a channel mounting base plate (1) and a channel mounting platform (2) located above the channel mounting base plate (1) for laying a pedestrian walkway (20). The channel mounting platform (2) is connected to the channel mounting base plate (1) by adaptive adjustment structures and adaptive guide structures arranged at intervals and alternating along its length. The channel mounting platform (2) can generate horizontal and rotational displacements relative to the channel mounting base plate (1) through the adaptive adjustment structures, and the channel mounting platform (2) can generate rotational displacements about the central axis of the channel mounting base plate (1) through the adaptive guide structures. The adaptive guide structures include a base plate pin seat (8) fixed to the middle of the channel mounting base plate (1) and a pin seat connecting plate (9) fixed to the bottom of the channel mounting platform (2). A connecting pin seat (10) is fixed in the middle of the pin seat connecting plate (9). The base plate pin seat (8) and the connecting pin seat (10) are hinged together by a central rotating shaft (11) arranged along the length direction of the channel mounting base plate (1); the connecting pin seat (10) includes connecting ear plates (10.1) that are vertically fixed to the middle of the front and rear sides of the pin seat connecting plate (9), and both ends of the central rotating shaft (11) pass through the base plate pin seat (8) and are hinged to the connecting ear plates (10.1); the adaptive adjustment structure includes a connecting steel plate (3) fixed to the bottom of the channel mounting platform (2), the connecting steel plate (3) is provided with a longitudinal adjustment groove (4) arranged along the length direction of the channel mounting platform (2), the channel mounting base plate (1) is provided with a transverse adjustment groove (5) arranged along its width direction, and the adjusting bolt (6) passes vertically through the transverse adjustment groove (5) and the longitudinal adjustment groove (4) and is connected to an adjusting nut (7).

2. The adaptive rail transit evacuation channel structure as described in claim 1, characterized in that: The horizontal displacement includes longitudinal displacement along the length of the channel mounting platform (2) and lateral displacement along the width of the channel mounting base plate (1).

3. The adaptive rail transit evacuation channel structure as described in claim 2, characterized in that: The left and right sides of the channel mounting platform (2) are respectively connected to the channel mounting base plate (1) through at least one of the adaptive adjustment structures.

4. The adaptive rail transit evacuation channel structure as described in claim 1, characterized in that: There is a gap between the adjusting nut (7) and the top surface of the connecting steel plate (3).

5. The adaptive rail transit evacuation channel structure as described in claim 1, characterized in that: The channel installation platform (2) includes multiple channel installation platform units (2.1) that are fixedly connected end to end. At least one set of front bolt through holes and at least one set of rear bolt through holes are respectively opened at the beginning and end of the channel installation platform unit (2.1). Each set of front bolt through holes includes a front bolt through hole (12) opened on the outer surface of the left and right sides of the channel installation platform unit (2.1). Each set of rear bolt through holes includes a rear bolt through hole (13) opened on the outer surface of the left and right sides of the channel installation platform unit (2.1). The rear bolt through holes (13) and the front bolt through holes (12) on the same side of two adjacent channel installation platform units (2.1) are connected and fixed by unit connecting plates (14), fixing bolts and fixing nuts.

6. The adaptive rail transit evacuation passage structure as described in claim 5, characterized in that: The front bolt through hole (12) is an oblong hole arranged along the length of the channel mounting platform unit (2.1), and the rear bolt through hole (13) is a circular hole; the fixing bolts include a fixing connecting bolt (15) and a fixing adjusting bolt (16), and the fixing nuts include a fixing connecting nut (17) and a fixing adjusting nut (18); the fixing connecting bolt (15) passes through the unit connecting plate (14) and the rear bolt through hole (13) and is connected to the fixing connecting nut (17), and the fixing adjusting bolt (16) passes through the unit connecting plate (14) and the front bolt through hole (12) and is connected to the fixing adjusting nut (18).

7. The adaptive rail transit evacuation channel structure as described in claim 1, characterized in that: The bottom of the left and right sides of the channel installation platform (2) is fixed with buffer supports (19), and the buffer supports (19) are arranged at intervals along the length of the channel installation platform (2).

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