Rail transit platform lifting safety fence

Abstract

The utility model belongs to the technical field of safety fences, particularly relates to a lifting safety fence for a rail transit platform, and aims to solve the problem that the existing safety fence is purely provided with a transverse handrail and has a poor protection effect, and adopts the following scheme that the lifting safety fence comprises a bottom plate, two supporting cylinders are mounted at the top of the bottom plate, and the transverse handrail is arranged on the bottom plate; a plurality of transverse rods are fixedly installed on the inner sides of the two supporting cylinders, four telescopic pipes are slidably installed in the two supporting cylinders, the four telescopic pipes are installed in a pairwise telescopic mode, telescopic columns are slidably installed in the two telescopic pipes located on the upper portion, linear motors are arranged in the two supporting cylinders, and the linear motors are connected with the telescopic columns. And an output pipe of the linear motor penetrates through the two corresponding telescopic pipe ice and is fixedly mounted at the bottom end of the telescopic column. The height of the safety fence can be adjusted, the safety protection function is achieved, and meanwhile the early warning reminding function can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety fences, in particular to a lifting safety fence for a rail transit platform. Background Art

[0002] With the rapid development of science and technology, the acceleration of the urban modernization process and the urban life rhythm, urban intelligent rapid transportation is accepted by more and more people. Most subway and high-speed railway platforms are provided with safety fences to isolate passengers outside to prevent them from falling into the track groove. However, for the convenience of passengers getting on and off the train, the existing safety fences are intermittently arranged, and passengers can still pass through the disconnection of the safety fence, resulting in a low safety factor.

[0003] After retrieval, the patent document with the publication number: CN216783486U discloses a lifting safety fence for a rail transit platform. The safety fence body includes vertical rods and horizontal rods. Corresponding to the vertical rods on the platform, there are lifting grooves. A threaded rod is arranged in the lifting groove. The vertical rod is a sleeve structure with a sealed top, and internal threads are arranged on the inner wall. A driving motor is arranged corresponding to the threaded rod at the bottom of the lifting groove; there is a placement groove on the platform, and both sides of the top of the placement groove are hinged with groove covers; the bottom of the placement groove slopes downward towards the track side, and a drain hole is arranged at the bottom of the placement groove. By driving the threaded rod to rotate through the driving motor, the vertical rod is driven to lift to realize the lifting of the safety fence body. The vertical rod and the lifting groove are correspondingly matched. The top of the placement groove is provided with a groove cover to prevent the dust on the soles of passengers from falling into the lifting groove and the placement groove and affecting the lifting of the safety fence body. The bottom of the placement groove is inclined and provided with a drain port to prevent water from accumulating in the lifting groove and the placement groove and causing the safety fence body to rust and affect its lifting.

[0004] The existing safety fence simply sets a horizontal railing, and the protective effect is not good. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defect that the existing safety fence simply sets a horizontal railing and has a poor protective effect, and to propose a lifting safety fence for a rail transit platform.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A safety railing for lifting at a rail transit platform, comprising a bottom plate. At the top of the bottom plate, two support cylinders are installed. Inside the two support cylinders, a plurality of horizontal rods are fixedly installed. Inside each of the two support cylinders, a telescopic tube is slidably installed. There are four telescopic tubes, and the four telescopic tubes are telescopically installed in pairs. Inside the two upper telescopic tubes, a telescopic column is slidably installed. In each of the two support cylinders, a linear motor is provided. The output tube of the linear motor penetrates through the corresponding two telescopic tubes and is fixedly installed at the bottom end of the telescopic column. At the top ends of the two telescopic columns, a control box is provided. On the outer side of the control box, two sensors are provided. On the top of each of the two control boxes, an alarm lamp is provided. The alarm lamp is connected to the corresponding two sensors. A power supply and a control chip are provided on the sensor. Both the power supply and the control chip are located inside the control box.

[0008] Preferably, limiting grooves are provided on the outer sides of the four telescopic tubes and the two telescopic columns. Inside the two support cylinders and the four telescopic tubes, limiting blocks are fixedly installed. The limiting blocks are slidably connected to the inner walls of the corresponding limiting grooves.

[0009] Preferably, three protective rods are provided between the four telescopic tubes and the two telescopic columns. At both ends of the protective rod, sleeve rings are fixedly installed. The diameters of the plurality of sleeve rings are different. The diameters of the two sleeve rings on the same protective rod are the same.

[0010] Preferably, the diameters of the two telescopic tubes and the telescopic columns gradually decrease from bottom to top. The diameters of the plurality of sleeve rings gradually decrease from bottom to top. The plurality of sleeve rings are in contact with the top ends of the corresponding telescopic tubes and telescopic columns. And the diameters of the two telescopic tubes, telescopic columns and the corresponding sleeve rings are the same and in contact.

[0011] Preferably, a magnet is embedded at the bottom of the sleeve ring, and the sleeve ring is attracted to the top end of the telescopic tube or the telescopic column by the magnet.

[0012] Preferably, a core column is fixedly installed at the bottom of the control box. The core column is located inside the sleeve ring at the top end for positioning the sleeve ring. A threaded head is fixedly installed at the bottom end of the core column. Threaded grooves are provided at the top ends of the two telescopic columns. The threaded head is threadedly connected to the threaded groove.

[0013] Compared with the prior art, the advantages of the present utility model are as follows:

[0014] In this solution, two support cylinders and multiple cross bars form a safety railing for protection. Two linear motors are used to push two telescopic columns upward. First, the two telescopic columns move upward until they reach the limit position, and then they drive two telescopic tubes upward. Subsequently, the four telescopic tubes are successively stretched upward, enabling the upward adjustment of the protective height of the safety railing. The two additional protective bars move upward as the telescopic columns and telescopic tubes extend, and the multiple protective bars can enhance the protective effect of the safety railing.

[0015] Sensors installed on both sides of this solution monitor when pedestrians approach or touch the safety railing, and through the chip control, the alarm lights emit alarms and give reminders.

[0016] The safety railing set in this utility model can not only be height-adjusted to play a safety protection role, but also play a warning and reminder role. Brief Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of a lifting safety railing for a rail transit platform proposed by this utility model;

[0018] Figure 2 Proposed by this utility model Figure 1 is a schematic structural diagram of the use state when the telescopic tube and telescopic column extend;

[0019] Figure 3 is a three-dimensional structural diagram of the bottom plate, two support cylinders and cross bars proposed by this utility model;

[0020] Figure 4 is a schematic structural diagram of the telescopic tube proposed by this utility model;

[0021] Figure 5 is a schematic structural diagram of the telescopic column and its related parts proposed by this utility model;

[0022] Figure 6 is a schematic structural diagram of the linear motor proposed by this utility model;

[0023] Figure 7 is a schematic structural diagram of the control box, core column, threaded head, alarm light and sensor proposed by this utility model;

[0024] Figure 8 is a schematic structural diagram of the protective bar, two collar rings and magnets proposed by this utility model.

[0025] In the figure: 1. Bottom plate; 2. Support cylinder; 21. Cross bar; 3. Telescopic tube; 4. Telescopic column; 41. Threaded groove; 5. Protective bar; 51. Collar ring; 52. Magnet; 6. Control box; 61. Sensor; 62. Alarm light; 63. Core column; 64. Threaded head; 7. Limit groove; 8. Linear motor. Detailed Implementation Modes

[0026] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings in this embodiment. Obviously, the described embodiments are only a part of this embodiment, rather than all of the embodiments.

[0027] Refer to Figures 1 - 8 , a lifting safety railing for a rail transit platform, including a bottom plate 1. Two support cylinders 2 are installed on the top of the bottom plate 1. A plurality of cross bars 21 are fixedly installed inside the two support cylinders 2. Four telescopic tubes 3 are slidably installed in each of the two support cylinders 2. The four telescopic tubes 3 are telescopically installed in pairs. Telescopic columns 4 are slidably installed in the two upper telescopic tubes 3. Linear motors 8 are arranged in each of the two support cylinders 2. The output tubes of the linear motors 8 penetrate through the corresponding two telescopic tubes 3 and are fixedly installed with the bottom ends of the telescopic columns 4. Control boxes 6 are arranged at the tops of the two telescopic columns 4. Two sensors 61 are arranged on the outer sides of the control boxes 6. Alarm lights 62 are arranged on the tops of the two control boxes 6. The alarm lights 62 are connected to the corresponding two sensors 61. A power supply and a control chip are arranged on the sensors 61. The power supply and the control chip are both located inside the control box 6. The control chip is used to receive the signals transmitted by the sensors 61, and then control the alarm lights 62 to give an alarm reminder. The power supply is used for power supply.

[0028] Refer to Figure 2 , Figure 4 and Figure 5 , in this embodiment, limiting grooves 7 are formed on the outer sides of the four telescopic tubes 3 and the two telescopic columns 4. Limiting blocks are fixedly installed on the inner sides of the two support cylinders 2 and the four telescopic tubes 3. The limiting blocks are slidably connected to the inner walls of the corresponding limiting grooves 7.

[0029] Refer to Figure 8 , in this embodiment, three protective bars 5 are arranged between the four telescopic tubes 3 and the two telescopic columns 4. Sleeve rings 51 are fixedly installed at both ends of the protective bars 5. The diameters of the multiple sleeve rings 51 are different. The diameters of the two sleeve rings 51 on the same protective bar 5 are the same.

[0030] Refer to Figure 3 , Figure 4 and Figure 8 , in this embodiment, the diameters of the two telescopic tubes 3 and the telescopic columns 4 gradually decrease from bottom to top. The diameters of the multiple sleeve rings 51 gradually decrease from bottom to top. The multiple sleeve rings 51 are in contact with the tops of the corresponding telescopic tubes 3 and telescopic columns 4. And the two telescopic tubes 3 and telescopic columns 4 are in contact with the corresponding sleeve rings 51 with the same diameter. Magnets 52 are embedded at the bottoms of the sleeve rings 51. The sleeve rings 51 are attracted to the tops of the telescopic tubes 3 or the telescopic columns 4 through the magnets 52.

[0031] Refer to Figure 7, in this embodiment, a core column 63 is fixedly installed at the bottom of the control box 6. The core column 63 is located inside the collar 51 at the top and is used to position the collar 51. A threaded head 64 is fixedly installed at the bottom end of the core column 63. Threaded grooves 41 are formed at the top ends of the two telescopic columns 4, and the threaded head 64 is threadedly connected to the threaded grooves 41.

[0032] Working principle: When in use, an external power supply and a controller are connected. The bottom plate 1 is installed at the position of the rail transit platform. The two support cylinders 2 and the multiple cross bars 21 form a safety fence for protection. The two telescopic columns 4 are pushed upward by the two linear motors 8. The two telescopic columns 4 first move upward until they reach the limit position, and then drive the two telescopic tubes 3 upward. Then, the four telescopic tubes 3 are successively stretched upward, so that the protection height of the safety fence can be adjusted upward. The two additional protection bars 5 arranged can move upward as the telescopic columns 4 and the telescopic tubes 3 extend. The multiple protection bars 5 can improve the protection effect of the safety fence. At the same time, if someone approaches or touches the safety fence, the sensors 61 arranged on both sides monitor that a pedestrian approaches or touches the safety fence, and the chip controls the alarm lamp 62 to give an alarm and remind. The safety fence provided in this application can not only be adjusted in height and play a safety protection role, but also play a warning and reminder role. All the structures in this application can be selected in terms of material and length according to the actual use situation. The drawings are all schematic structural diagrams, and the specific actual dimensions can be appropriately adjusted.

[0033] The above is only the preferred specific implementation manner of this embodiment, but the protection scope of this embodiment is not limited thereto. Any person skilled in the art within the technical scope disclosed in this embodiment, according to the technical solution of this embodiment and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of this embodiment.

Claims

1. A lifting safety railing for a rail transit platform, comprising a bottom plate (1), characterized in that, Two support cylinders (2) are mounted on the top of the bottom plate (1). Telescopic tubes (3) are slidably mounted in both of the two support cylinders (2). There are four telescopic tubes (3), and the four telescopic tubes (3) are telescopically mounted in pairs. Telescopic columns (4) are slidably mounted in the two upper telescopic tubes (3). Linear motors (8) are arranged in both of the two support cylinders (2). The output tubes of the linear motors (8) penetrate through the corresponding two telescopic tubes (3) and are fixedly installed with the bottom ends of the telescopic columns (4). Control boxes (6) are arranged at the top ends of the two telescopic columns (4). Two sensors (61) are arranged on the outer sides of the control boxes (6). Alarm lights (62) are arranged on the tops of the two control boxes (6). The alarm lights (62) are connected to the corresponding two sensors (61). A power supply and a control chip are arranged on the sensors (61). The power supply and the control chip are both located inside the control boxes (6).

2. The safety railing for lifting at a rail transit platform according to claim 1, wherein A plurality of cross bars (21) are fixedly installed on the inner sides of the two support cylinders (2).

3. The safety railing for lifting at a rail transit platform according to claim 1, characterized in that, Limiting grooves (7) are formed on the outer sides of the four telescopic tubes (3) and the two telescopic columns (4). Limiting blocks are fixedly installed on the inner sides of the two support cylinders (2) and the four telescopic tubes (3). The limiting blocks are slidably connected to the inner walls of the corresponding limiting grooves (7).

4. A safety railing for lifting at a rail transit platform according to claim 1, characterized in that, Three protective rods (5) are arranged between the four telescopic tubes (3) and the two telescopic columns (4). Collar rings (51) are fixedly installed at both ends of the protective rods (5). The diameters of the plurality of collar rings (51) are different. The diameters of the two collar rings (51) on the same protective rod (5) are the same.

5. The safety railing for lifting at a rail transit platform according to claim 4, characterized in that, The diameters of the two telescopic tubes (3) and the telescopic columns (4) gradually decrease from bottom to top. The diameters of the plurality of collar rings (51) gradually decrease from bottom to top. The plurality of collar rings (51) are in contact with the top ends of the corresponding telescopic tubes (3) and telescopic columns (4). The diameters of the two telescopic tubes (3) and telescopic columns (4) are the same as and in contact with the corresponding collar rings (51).

6. The safety railing for lifting at a rail transit platform according to claim 4, wherein, Magnets (52) are embedded at the bottoms of the collar rings (51).

7. The safety railing for lifting at a rail transit platform according to claim 4, characterized in that, Core columns (63) are fixedly installed at the bottoms of the control boxes (6). The core columns (63) are located inside the topmost collar rings (51) for positioning the collar rings (51). Threaded heads (64) are fixedly installed at the bottom ends of the core columns (63). Threaded grooves (41) are formed at the top ends of the two telescopic columns (4). The threaded heads (64) are threadedly connected to the threaded grooves (41).

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