Rapid evacuation ladder structure for rail transit platform
By introducing an adjustment mechanism into the rapid evacuation ladder at rail transit platform, the position and orientation of the mounting plate can be adjusted, thus solving the problem of collision between the folding ladder and debris, and achieving stable deployment and efficient evacuation.
Patent Information
- Application Number
- CN202520344601.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-01
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-01
AI Technical Summary
Existing rapid evacuation stairs at rail transit platforms are prone to collisions with debris and damage during deployment, which also hinders their operation and affects the efficiency of personnel evacuation.
An adjustment mechanism is adopted, including a fixed plate, a rectangular slider, and a locking component. The position and orientation of the mounting plate are adjusted by sliding the rectangular slider in the T-shaped guide groove, and the mounting plate is locked by the locking component to ensure that the folding ladder avoids debris and unfolds stably.
The folding ladder can avoid debris when unfolded, and its position and orientation are adjustable to ensure stable unfolding, thereby improving evacuation efficiency and equipment lifespan.
Smart Images

Figure CN223720877U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rail transit safety facility technical field, concretely is a kind of quick evacuation ladder structure for rail transit platform. BACKGROUND
[0002] Rail transit platform in peak period or sudden emergency (such as fire, power failure, equipment failure etc.), personnel evacuation efficiency directly affects passenger life safety, the existing quick evacuation ladder is mostly to adopt folding ladder structure, when using, it is unfolded again, when not using, it is stored, the unfolding direction of existing quick evacuation ladder is fixed, when sudden emergency occurs, external environment is complex, ladder is unfolded and is easy to collide with sundries (construction waste, stone), after collision, on the one hand, ladder is easy to damage, on the other hand, sundries can also hinder ladder completely unfolded. SUMMARY
[0003] The utility model aims at providing a kind of quick evacuation ladder structure for rail transit platform, to solve the problems presented in the above background.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of quick evacuation ladder structure for rail transit platform, including mounting plate, folding ladder, the folding ladder is installed on mounting plate, adjusting mechanism is arranged between the mounting plate and vehicle;
[0005] The adjusting mechanism includes fixed plate, the fixed plate is fixedly installed on car, T-shaped guide slot is opened in the top of fixed plate, rectangular slide is slidably arranged in T-shaped guide slot, rectangular slide is rotatably connected with the bottom of mounting plate by connecting pin, locking component is arranged between mounting plate and fixed plate.
[0006] Further, the locking component includes threaded hole, internally threaded guide column, the threaded hole is opened on the top of fixed plate, the internally threaded guide column is fixedly installed on mounting plate, the internally threaded guide column is internally threaded connected with bolt, the bottom end of bolt is internally threaded connected with threaded hole, the threaded hole is provided with multiple.
[0007] Further, the mounting plate is provided with reinforcing plate at folding ladder connection, the reinforcing plate is integrally formed with mounting plate.
[0008] Further, the fixed plate is fixedly installed with reinforcing rod two, the reinforcing rod two is V-shaped, one side of reinforcing rod two is welded with the bottom of fixed plate.
[0009] Further, the inner wall of rectangular slide is fixedly installed with wear-resistant sleeve, the wear-resistant sleeve is rotatably sleeved on connecting pin.
[0010] Further, the folding ladder comprises a stand column, a mounting frame, the stand column and the mounting frame are fixedly installed on the mounting plate, a telescopic rod is rotatably connected to the end of the stand column through a pin shaft, a rotating frame is rotatably connected to the outer wall of the mounting frame through a pin shaft, the elongated end of the telescopic rod is rotatably connected with the rotating frame through a pin shaft, and the pin shafts connecting the rotating frame and the telescopic rod and the mounting frame are the same, a folding frame is rotatably connected to the mounting frame through a pin shaft, a connecting plate is arranged on the inner side of the rotating frame and the folding frame, and the connecting plate is rotatably connected with the rotating frame and the folding frame through pin shafts, and a stepping plate is installed on the connecting plate.
[0011] Further, the bottom of the rotating frame is fixedly installed with a handle, and the outer wall of the stand column is fixedly installed with a reinforcing rod one, and the bottom end of the reinforcing rod one is fixedly connected with the top of the mounting plate.
[0012] Further, the top end of the stand column is fixedly installed with a hole plate, the end of the folding frame is fixedly installed with a fixing pin, the fixing pin is located on the end of the folding frame away from the mounting frame, and the outer diameter of the fixing pin is smaller than the inner diameter of the hole position on the hole plate.
[0013] Compared with the prior art, the folding ladder has the advantages that:
[0014] 1、Because the rectangular sliding block can slide in the T-shaped guide groove, the position of the mounting plate can be adjusted, and the rectangular sliding block is rotatably connected with the mounting plate through the connecting pin, so that the mounting plate can be rotated to drive the folding ladder to rotate, the position of the folding ladder can be adjusted, and the orientation of the folding ladder can be adjusted, the folding ladder can avoid obstacles when being unfolded, and after the position and the angle of the mounting plate are adjusted, the mounting plate is locked by the same specification locking part, so that the position and the orientation of the folding ladder are prevented from being changed when a person stands on the folding ladder. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is the utility model Figure 1 It is a structural schematic view of the bottom view;
[0017] Figure 3 It is a structural schematic view of the fixed plate of the utility model;
[0018] Figure 4 It is a structural schematic view of the explosion view of the adjusting mechanism of the utility model;
[0019] Figure 5 It is a structural schematic view of the folding ladder of the utility model.
[0020] In the figure: 1, mounting plate; 101, reinforcing plate; 2, folding ladder; 201, stand; 202, mounting frame; 203, telescopic rod; 204, rotating frame; 205, folding frame; 206, connecting plate; 207, step; 3, adjusting mechanism; 301, fixed plate; 302, T-shaped guide groove; 303, rectangular sliding block; 304, connecting pin; 305, locking part; 3051, threaded hole; 3052, internally threaded guide pillar; 3053, bolt; 4, reinforcing rod two; 5, wear-resistant sleeve; 8, reinforcing rod one; 9, handle; 10, hole plate; 11, fixing pin. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0022] Please refer to Figures 1-5 The present application provides a technical solution: a rapid evacuation ladder structure for rail transit platform, comprising a mounting plate 1 and a folding ladder 2, the folding ladder 2 is installed on the mounting plate 1, and an adjusting mechanism 3 is arranged between the mounting plate 1 and the vehicle.
[0023] The adjusting mechanism 3 comprises a fixed plate 301, the fixed plate 301 is fixedly installed on the vehicle, a T-shaped guide groove 302 is formed in the top of the fixed plate 301, a rectangular sliding block 303 is slidably arranged in the T-shaped guide groove 302, the rectangular sliding block 303 is rotatably connected to the bottom of the mounting plate 1 through a connecting pin 304, and a locking part 305 is arranged between the mounting plate 1 and the fixed plate 301. Because the rectangular sliding block 303 can slide in the T-shaped guide groove 302, the position of the mounting plate 1 can be adjusted, and the rectangular sliding block 303 is rotatably connected to the mounting plate 1 through the connecting pin 304, so the mounting plate 1 can be rotated to drive the folding ladder 2 to rotate, which can adjust the position and orientation of the folding ladder 2, so that the folding ladder 2 can avoid obstacles when it is unfolded. After adjusting the position and angle of the mounting plate 1, the same specification locking part 305 is used to lock the mounting plate 1, so that the position and orientation of the folding ladder 2 do not change when people stand on the folding ladder 2.
[0024] The locking component 305 comprises threaded holes 3051 and internally threaded guide columns 3052, the threaded holes 3051 are arranged on the top of the fixing plate 301, the internally threaded guide columns 3052 are fixedly installed on the mounting plate 1, the internally threaded guide columns 3052 are internally threaded connected with bolts 3053, the bottom end of the bolt 3053 is internally threaded connected with the threaded hole 3051, the threaded hole 3051 is provided with a plurality of threaded holes, after the mounting plate 1 is rotated and moved to a specified area, a suitable position is selected, so that the internally threaded guide column 3052 can be aligned with at least one threaded hole 3051, then the bolt 3053 is screwed in, the mounting plate 1 is locked;
[0025] The mounting plate 1 is provided with a reinforcing plate 101 at the connection with the folding ladder 2, the reinforcing plate 101 is integrally formed with the mounting plate 1, and the reinforcing plate 101 is arranged to increase the bearing strength of the mounting plate 1;
[0026] The fixing plate 301 is fixedly installed with a reinforcing rod two 4, the reinforcing rod two 4 is V-shaped, one side of the reinforcing rod two 4 is welded with the bottom of the fixing plate 301, and the reinforcing rod two 4 is arranged to increase the supporting strength of the fixing plate 301;
[0027] The inner wall of the rectangular sliding block 303 is fixedly installed with a wear-resistant sleeve 5, the wear-resistant sleeve 5 is rotatably sleeved on the connecting pin 304, and the wear-resistant sleeve 5 is arranged to reduce the wear between the connecting pin 304 and the inner wall of the rectangular sliding block 303, and to reduce the resistance received by the connecting pin 304 when rotating;
[0028] The folding ladder 2 comprises a stand 201 and a mounting frame 202, the stand 201 and the mounting frame 202 are fixedly installed on the mounting plate 1, the end of the stand 201 is rotatably connected with a telescopic rod 203 through a pin shaft, the outer wall of the mounting frame 202 is rotatably connected with a rotating frame 204 through a pin shaft, the elongated end of the telescopic rod 203 is rotatably connected with the rotating frame 204 through a pin shaft, and the pin shafts connecting the rotating frame 204 and the telescopic rod 203 and the mounting frame 202 are the same, the mounting frame 202 is rotatably connected with a folding frame 205 through a pin shaft, the inner side of the rotating frame 204 and the folding frame 205 is provided with a connecting plate 206, the connecting plate 206 is rotatably connected with the rotating frame 204 and the folding frame 205 through a pin shaft respectively, the connecting plate 206 is installed with a stepping plate 207, the angle of the connecting plate 206 is adjusted by the change of the distance between the rotating frame 204 and the folding frame 205, thereby driving the stepping plate 207 to rotate, the retracting and unfolding of the stepping plate 207 is realized, that is, when not in use, the rotating frame 204 and the folding frame 205 are erected and then leaned against the stand 201, when in use, the rotating frame 204 and the folding frame 205 are rotated to a certain slope, and the stepping plate 207 is unfolded at the same time;
[0029] The bottom of the rotating frame 204 is fixedly provided with a handle 9, which is convenient for a user to exert force when unfolding and retracting the folding ladder 2, and the outer wall of the stand column 201 is fixedly provided with a reinforcing rod one 8, the bottom end of the reinforcing rod one 8 is fixedly connected with the top of the mounting plate 1, and the tensile strength of the stand column 201 is increased;
[0030] The top end of the stand column 201 is fixedly provided with a hole plate 10, and the end of the folding frame 205 is fixedly provided with a fixing pin 11, which is located on the end of the folding frame 205 away from the mounting frame 202, and the outer diameter of the fixing pin 11 is smaller than the inner diameter of the hole position on the hole plate 10, when the folding ladder 2 is retracted, the fixing pin 11 is clamped into the hole in the hole plate 10, the folding ladder 2 is locked, and the folding ladder 2 is prevented from loosening and separating.
[0031] Working principle: when in use, before unfolding the folding ladder 2, the mounting plate 1 is pulled, the rectangular sliding block 303 is moved in the T-shaped guide slot 302, the position of the mounting plate 1 is adjusted, then the mounting plate 1 is rotated to change the orientation of the folding ladder 2, when reaching a specified area, a suitable position is selected, the internal thread guide column 3052 is aligned with at least one threaded hole 3051, then the bolt 3053 is screwed, the mounting plate 1 is locked, then the hole plate 10 is pulled to deform the hole plate 10, the fixing pin 11 is separated from the hole in the hole plate 10, the handle 9 is pulled to drive the rotating frame 204 to rotate, the folding frame 205 is driven to rotate, and the folding ladder 2 is unfolded.
[0032] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range protected by the utility model.
Claims
1. A rapid evacuation ladder structure for rail transit platform, comprising a mounting plate (1), a folding ladder (2), characterized in that: The folding ladder (2) is installed on the mounting plate (1), and an adjusting mechanism (3) is arranged between the mounting plate (1) and the vehicle; The adjusting mechanism (3) comprises a fixed plate (301) fixedly installed on the vehicle, a T-shaped guide groove (302) is formed in the top of the fixed plate (301), a rectangular sliding block (303) is slidably arranged in the T-shaped guide groove (302), the rectangular sliding block (303) is rotatably connected to the bottom of the mounting plate (1) through a connecting pin (304), and a locking component (305) is arranged between the mounting plate (1) and the fixed plate (301).
2. The rapid evacuation stair structure for rail transit platform according to claim 1, characterized in that: The locking component (305) comprises a threaded hole (3051) and an internally-threaded guide column (3052), the threaded hole (3051) is formed in the top of the fixed plate (301), the internally-threaded guide column (3052) is fixedly installed on the mounting plate (1), a bolt (3053) is threadedly connected to the internally-threaded guide column (3052), the bottom end of the bolt (3053) is threadedly connected to the internally-threaded guide column (3052), and a plurality of threaded holes (3051) are arranged.
3. The rapid evacuation stair structure for rail transit platform according to claim 1, characterized in that: A reinforcing plate (101) is arranged at the connection between the mounting plate (1) and the folding ladder (2), and the reinforcing plate (101) is integrally formed with the mounting plate (1).
4. The rapid evacuation stair structure for rail transit platform according to claim 1, characterized in that: A reinforcing rod two (4) is fixedly installed on the fixed plate (301), the reinforcing rod two (4) is in a V shape, and one side of the reinforcing rod two (4) is welded to the bottom of the fixed plate (301).
5. The rapid evacuation stair structure for rail transit platform according to claim 1, characterized in that: A wear-resistant sleeve (5) is fixedly installed on the inner wall of the rectangular sliding block (303), and the wear-resistant sleeve (5) is rotatably sleeved on the connecting pin (304).
6. The rapid evacuation stair structure for rail transit platform according to claim 1, characterized in that: The folding ladder (2) comprises a stand (201) and a mounting frame (202), the stand (201) and the mounting frame (202) are fixedly installed on the mounting plate (1), the end of the stand (201) is rotatably connected to an extension rod (203) through a pin shaft, the outer wall of the mounting frame (202) is rotatably connected to a rotating frame (204) through a pin shaft, the extension rod (203) is rotatably connected to the rotating frame (204) through a pin shaft, the pin shaft connecting the rotating frame (204) and the extension rod (203) is the same as the pin shaft connecting the mounting frame (202), a folding frame (205) is rotatably connected to the mounting frame (202) through a pin shaft, the inner sides of the rotating frame (204) and the folding frame (205) are provided with a connecting plate (206), the connecting plate (206) is rotatably connected to the rotating frame (204) and the folding frame (205) through pin shafts, and a stepping plate (207) is installed on the connecting plate (206).
7. The rapid evacuation stair structure for rail transit platform according to claim 6, characterized in that: A handle (9) is fixedly installed on the bottom of the rotating frame (204), and a reinforcing rod one (8) is fixedly installed on the outer wall of the stand (201).
8. The rapid evacuation stair structure for rail transit platform according to claim 6, characterized in that: The top end of the column (201) is fixedly installed with a hole plate (10), and the end of the folding frame (205) is fixedly installed with a fixing pin (11) located on the end of the folding frame (205) away from the mounting frame (202), and the outer diameter of the fixing pin (11) is smaller than the inner diameter of the hole position on the hole plate (10).