Anti-sliding emergency sandbox device for rail-mounted area

Abstract

The invention relates to the technical field of tunnel construction transportation safety guarantee, and discloses a rail-mounted area anti-sliding emergency sandbox device which comprises a sandbox arranged in a tunnel and used for filling sand, a wireless communication unit and a speed measurement module for detecting the speed of a storage battery locomotive, and an execution unit is installed on the sandbox; the wireless communication unit comprises a wireless transmitting module electrically connected with the speed measurement module and a wireless receiving module electrically connected with the execution unit. According to the anti-sliding emergency sandbox device for the rail-mounted area, the sandbox, the wireless communication unit, the speed measurement module and the execution unit are arranged, the speed measurement module and the wireless communication unit can detect overspeed of a storage battery locomotive in advance, and when the speed measurement module detects that the speed of the locomotive exceeds a preset threshold value, the wireless communication unit triggers an electric servo cylinder to act; the gate plate is driven to open the sand scattering opening, so that sand in the sand box is discharged and quickly scattered to the tunnel track, the running speed of the horizontal transport vehicle is slowed down through the resistance of the sand, and the safety in the transport process is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel construction and transportation safety assurance, and in particular to an emergency sandbox device for preventing vehicles from slipping in a track area. Background Art

[0002] The shield method is a fully mechanized construction method in the dark excavation method. It pushes the shield machine into the ground, and supports the surrounding rock with the shield shell and segments to prevent collapse into the tunnel. At the same time, the soil is excavated in front of the excavation face with a cutting device, transported out of the hole by the excavation machinery, and pushed forward by the jack at the rear, and prefabricated concrete segments are assembled to form a mechanized construction method of the tunnel structure. It is common to use battery locomotives as the main machine for horizontal transportation.

[0003] When the horizontal transport vehicle is in the downward stage, due to the steep slope and high speed, as well as the large overall mass of the transported objects, the brakes are difficult to brake. When the speed cannot be controlled, the acceleration increases as the horizontal transport vehicle goes farther downward, which may eventually lead to a safety accident. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an emergency sandbox device for preventing vehicles from slipping in a track area, which solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: an emergency sandbox device for preventing a vehicle from sliding in a track area, comprising: a sandbox arranged in a tunnel for filling sand, a wireless communication unit, and a speed measuring module for detecting the speed of a battery locomotive, wherein an execution unit is installed on the sandbox;

[0006] The wireless communication unit includes a wireless transmitting module electrically connected to the speed measuring module and a wireless receiving module electrically connected to the execution unit, wherein the wireless transmitting module is in communication connection with the wireless receiving module;

[0007] The execution unit comprises an electric servo cylinder, a sand spreading opening is provided on the surface of the sand box, a gate is covered at the sand spreading opening, the electric servo cylinder is mounted on the sand box, and the gate is mounted at the telescopic end of the electric servo cylinder.

[0008] Preferably, a mounting cavity is provided on the surface of the sand box, a fixing seat is installed on the inner wall of the mounting cavity, and the electric servo cylinder is installed inside the mounting cavity through the fixing seat.

[0009] Preferably, a connecting portion is provided on the top of the gate plate, a guide rod is symmetrically provided on the top of the connecting portion, a docking plate is provided on the surface of the electric servo cylinder, a guide sleeve is connected to the surface of the docking plate, and the inner wall of the guide sleeve is connected to the surface of the guide rod.

[0010] Preferably, the execution unit further includes a PLC controller, the PLC controller is communicatively connected to the wireless receiving module, and the PLC controller is communicatively connected to the electric servo cylinder.

[0011] Preferably, the speed measurement module includes a laser speed measurement sensor and an acceleration sensor, and both the laser speed measurement sensor and the acceleration sensor are communicatively connected to the wireless transmission module.

[0012] Preferably, handles are symmetrically arranged on the surface of the sandbox, and mounting plates are arranged on both sides of the sandbox.

[0013] Preferably, the bottom of the sand box is arranged to be inclined, and the lower edge of the sand spreading opening coincides with the lower edge of the bottom of the sand box.

[0014] Preferably, slideways are provided on both sides of the sand spreading port, and the slideways are connected to the surface of the sand box, and the inner wall of the slideway is slidably connected to the surface of the gate plate.

[0015] Preferably, the inner wall of the slideway is provided with a polytetrafluoroethylene wear-resistant layer.

[0016] Preferably, the slideway is made of stainless steel.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention, by setting a sandbox, a wireless communication unit, a speed measuring module and an execution unit, the speed measuring module and the wireless communication unit can detect the overspeeding of the battery locomotive in advance. When the speed measuring module detects that the locomotive speed exceeds a preset threshold, the wireless communication unit triggers the action of the electric servo cylinder to drive the gate to open the sand spreading port, so that the sand in the sandbox is discharged and quickly spread onto the tunnel track, and the resistance of the sand is used to slow down the running speed of the horizontal transport vehicle, thereby improving the safety of the transportation process.

[0019] 2. The present invention provides a guide rod and a guide sleeve. When the telescopic end of the electric servo cylinder drives the gate to move, the gate drives the guide rod to move through the connecting portion. At the same time, the guide rod slides inside the guide sleeve. The guide sleeve limits and guides the guide rod, so that the gate remains stable during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the side section structure at the installation cavity position of the present invention;

[0022] Figure 3 This is a schematic diagram of the installation structure of the guide rod and the guide sleeve of the present invention;

[0023] Figure 4 This is the logic diagram of the present invention.

[0024] In the figure: 1. sandbox; 2. wireless communication unit; 21. wireless transmission module; 22. wireless receiving module; 3. speed measurement module; 4. execution unit; 41. electric servo cylinder; 42. gate; 5. installation cavity; 6. fixing seat; 7. connecting part; 8. guide rod; 9. docking plate; 10. guide sleeve; 11. PLC controller; 12. handle; 13. installation plate; 14. slideway; 15. sand spreading port. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-4 , an emergency sandbox device for preventing a vehicle from slipping in a track area, comprising: a sandbox 1 arranged in a tunnel for filling sand, a wireless communication unit 2 and a speed measuring module 3 for detecting the speed of a battery locomotive, an execution unit 4 is installed on the sandbox 1, the wireless communication unit 2 comprises a wireless transmitting module 21 electrically connected to the speed measuring module 3 and a wireless receiving module 22 electrically connected to the execution unit 4, the wireless transmitting module 21 is in communication connection with the wireless receiving module 22, the execution unit 4 comprises an electric servo cylinder 41, a sand spreading port 15 is provided on the surface of the sandbox 1, a gate plate 42 is covered at the position of the sand spreading port 15, the electric servo cylinder 41 is installed on the sandbox 1, and the gate plate 42 is installed at the telescopic end of the electric servo cylinder 41, the speed measuring module 3 and the wireless communication unit 2 can detect the overspeeding of the battery locomotive in advance, when the speed measuring module 3 detects that the locomotive speed exceeds a preset threshold, the electric servo cylinder 41 is triggered to act through the wireless communication unit 2, and the gate plate 42 is driven to open the sand spreading port, so that the sand in the sandbox 1 is discharged and quickly spread onto the tunnel track, and the resistance of the sand is used to slow down the running speed of the horizontal transport vehicle, thereby improving the safety of the transportation process.

[0027] The surface of the sandbox 1 is provided with a mounting cavity 5, the inner wall of which is provided with a fixing seat 6, and the electric servo cylinder 41 is installed inside the mounting cavity 5 through the fixing seat 6. The sandbox has a length of 2.2 m, a width of 0.6 m, a height of 1.8 m, and a total volume of 2 m 3 , which can meet the volume of buried tunnel tracks.

[0028] A connecting portion 7 is provided on the top of the gate plate 42, and a guide rod 8 is symmetrically provided on the top of the connecting portion 7. A docking plate 9 is provided on the surface of the electric servo cylinder 41, and a guide sleeve 10 is connected to the surface of the docking plate 9. The inner wall of the guide sleeve 10 is connected to the surface of the guide rod 8. When the telescopic end of the electric servo cylinder 41 drives the gate plate 42 to move, the gate plate 42 drives the guide rod 8 to move through the connecting portion 7. At the same time, the guide rod 8 slides inside the guide sleeve 10. The guide sleeve 10 limits and guides the guide rod 8, so that the gate plate 42 remains stable during the movement process.

[0029] The execution unit 4 further includes a PLC controller 11 , which is communicatively connected to the wireless receiving module 22 , and the PLC controller 11 is communicatively connected to the electric servo cylinder 41 .

[0030] In a specific embodiment, the speed measurement module 3 includes a laser speed measurement sensor and an acceleration sensor, both of which are communicatively connected to the wireless transmission module 21. The laser speed measurement sensor adopts an existing device, such as a laser speed measurement sensor with a model number of SICK LD-MRS400041, and the acceleration sensor adopts an existing device, such as an acceleration sensor with a model number of TE Connectivity MSA-5800A.

[0031] In a specific embodiment, handles 12 are symmetrically provided on the surface of the sandbox 1, and the handles 12 are convenient for hand holding. Mounting plates 13 are provided on both sides of the sandbox 1. The sandbox 1 is fixed to the bracket next to the tunnel track through the mounting plates 13. The bottom of the sandbox 1 is tilted to facilitate the discharge of sand from the sandbox 1, and the lower edge of the sand spreading port 15 coincides with the lower edge of the bottom of the sandbox 1.

[0032] In a specific embodiment, slides 14 are provided on both sides of the sand spreading port 15, and the slides 14 are connected to the surface of the sand box 1. The inner wall of the slide 14 is slidably connected to the surface of the gate 42. When the gate 42 moves, it moves on the inner wall of the slide 14. The gate 42 is guided by the inner wall of the slide 14 so that the gate 42 moves stably. The inner wall of the slide 14 is provided with a polytetrafluoroethylene wear-resistant layer to prevent the gate 42 from wearing the inner wall of the slide 14. The slide 14 is made of stainless steel.

[0033] The tunnel power box provides AC220V power for the speed measuring module 3 and the wireless transmitting module 21. The tunnel power box is used to provide AC220V power for the wireless receiving module 22 and the electric servo cylinder 41. The speed measuring module 3 is installed on the outer side of the track in the direction of the horizontal transport vehicle to the sand box 1, and the wireless transmitting module 21 is installed on one side of the speed measuring module 3. After the speed measuring module 3 detects that the speed of the horizontal transport vehicle exceeds the maximum limit, the speed measuring module 3 outputs an action signal, and the action signal is transmitted to the wireless receiving module 22 via the wireless transmitting module 21. The wireless receiving module 22 outputs the action signal to the PLC controller 11 of the electric servo cylinder 41, and the telescopic end of the electric servo cylinder 41 moves, driving the gate plate 42 to open along the groove of the slide 14, and driving the gate plate 42 to open the sand spreading port to spread the sand.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An emergency sandbox device for preventing vehicles from slipping in a track area, characterized in that: include: A sandbox (1) for filling sand, a wireless communication unit (2) and a speed measuring module (3) for detecting the speed of a battery locomotive are arranged in a tunnel, wherein an execution unit (4) is installed on the sandbox (1); The wireless communication unit (2) comprises a wireless transmission module (21) electrically connected to the speed measurement module (3) and a wireless reception module (22) electrically connected to the execution unit (4), wherein the wireless transmission module (21) is in communication connection with the wireless reception module (22); The execution unit (4) comprises an electric servo cylinder (41), a sand sprinkling opening (15) is provided on the surface of the sand box (1), a gate plate (42) is covered at the position of the sand sprinkling opening (15), the electric servo cylinder (41) is installed on the sand box (1), and the gate plate (42) is installed at the telescopic end of the electric servo cylinder (41).

2. The track area anti-slip emergency sandbox (1) device according to claim 1, characterized in that: The surface of the sandbox (1) is provided with an installation cavity (5), the inner wall of the installation cavity (5) is provided with a fixing seat (6), and the electric servo cylinder (41) is installed inside the installation cavity (5) via the fixing seat (6).

3. The anti-slip emergency sandbox (1) device for track area according to claim 1, characterized in that: The top of the gate plate (42) is provided with a connecting portion (7), the top of the connecting portion (7) is symmetrically provided with a guide rod (8), the surface of the electric servo cylinder (41) is provided with a docking plate (9), the surface of the docking plate (9) is connected to a guide sleeve (10), and the inner wall of the guide sleeve (10) is connected to the surface of the guide rod (8).

4. The anti-slip emergency sandbox (1) device for track area according to claim 1, characterized in that: The execution unit (4) further comprises a PLC controller (11), wherein the PLC controller (11) is communicatively connected to the wireless receiving module (22), and the PLC controller (11) is communicatively connected to the electric servo cylinder (41).

5. The anti-slip emergency sandbox (1) device for track area according to claim 1, characterized in that: The speed measurement module (3) comprises a laser speed measurement sensor and an acceleration sensor, and both the laser speed measurement sensor and the acceleration sensor are communicatively connected to the wireless transmission module (21).

6. The anti-slip emergency sandbox (1) device for track area according to claim 1, characterized in that: The surface of the sandbox (1) is symmetrically provided with handles (12), and mounting plates (13) are provided on both sides of the sandbox (1).

7. The anti-slip emergency sandbox (1) device for track area according to claim 6, characterized in that: The bottom of the sandbox (1) is arranged to be inclined, and the lower edge of the sand spreading opening (15) coincides with the lower edge of the bottom of the sandbox (1).

8. The track area anti-slip emergency sandbox (1) device according to claim 1, characterized in that: Slideways (14) are provided on both sides of the sand spreading port (15), and the slideways (14) are connected to the surface of the sand box (1), and the inner wall of the slideway (14) is slidably connected to the surface of the gate plate (42).

9. The track area anti-slip emergency sandbox (1) device according to claim 8, characterized in that: The inner wall of the slideway (14) is provided with a polytetrafluoroethylene wear-resistant layer.

10. The anti-slip emergency sandbox (1) device for track area according to claim 9, characterized in that: The slideway (14) is made of stainless steel.

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