Railway tunnel lighting safety construction ladder truck

Abstract

According to the technical scheme, the safety construction ladder truck for railway tunnel lighting is characterized in that the safety construction ladder truck comprises a rack assembly, a height adjusting assembly, an angle adjusting assembly, a cushioning assembly and a control assembly, the rack assembly comprises a frame and a construction platform, the construction platform is connected with the frame through the cushioning assembly, and the height adjusting assembly is connected with the height adjusting assembly. The control assembly is arranged below the construction platform, the height adjusting assembly is installed on the construction platform, the angle adjusting assembly is connected with the height adjusting assembly, the angle adjusting assembly is used for fixing a lamp, and when illumination is needed, a constructor adjusts the height adjusting assembly, so that the height of the angle adjusting assembly is increased or decreased, and illumination is achieved. And a constructor adjusts the angle adjusting assembly and adjusts the lamp to the position needing illumination. The technical scheme has the beneficial effect that the lighting requirements of different positions are met.

Description

Technical Field

[0001] This utility model relates to the technical field of railway tunnel construction equipment, and more specifically, it relates to a railway tunnel lighting safety construction ladder vehicle. Background Technology

[0002] During the construction and maintenance of railway tunnels, the relatively enclosed space, complex environment, and numerous safety hazards within the tunnels present significant challenges to related operations. Traditional construction methods typically rely on simple scaffolding for the installation and operation of lighting equipment. The erection and dismantling of simple scaffolding is cumbersome, consumes a large amount of manpower and time, and has limited stability. Its height adjustment is often inflexible, making it difficult to accurately adapt to changes in tunnel height and lighting fixture installation positions. In dimly lit conditions inside the tunnel, it cannot provide sufficient and uniform lighting for construction workers, hindering their construction and maintenance work and easily leading to misoperations due to poor visibility, such as incorrect wiring connections or insecurely fixed lighting fixtures.

[0003] For the reasons mentioned above, adapting to the lighting needs of different locations is precisely the issue addressed in this application. Utility Model Content

[0004] To address the shortcomings of existing technologies, a safety construction ladder for railway tunnel lighting is provided, which can adapt to the lighting needs of different locations.

[0005] To achieve the above objectives, the following technical solution is provided:

[0006] A safety construction ladder for railway tunnel lighting is characterized by comprising a frame assembly, a height adjustment assembly, an angle adjustment assembly, a shock absorption assembly, and a control assembly. The frame assembly includes a chassis and a construction platform. The construction platform is connected to the chassis via the shock absorption assembly. The control assembly is located below the construction platform. The height adjustment assembly is installed on the construction platform. The angle adjustment assembly is connected to the height adjustment assembly and is used to fix the lighting fixtures.

[0007] When lighting is needed, the construction workers adjust the height adjustment component to increase or decrease the height of the angle adjustment component, and then adjust the angle adjustment component to position the light fixture at the location where lighting is required.

[0008] A further optimization of this utility model includes a height adjustment component comprising a pedal, a first compression spring, a first cavity, a second cavity, a one-way inlet valve, a one-way outlet valve, a sliding tube, and a fixed tube. The first cavity and the second cavity are both located inside the construction platform. The one-way inlet valve and the one-way outlet valve are both installed in the first cavity. The one-way inlet valve is used to connect the first cavity to the outside, and the one-way outlet valve is used to connect the first cavity and the second cavity. The fixed tube is fixedly connected to the construction platform. The pedal is installed above the first cavity and is used to compress the space of the first cavity. The two ends of the first compression spring are respectively connected to the pedal and the first cavity. A first limiting ring is provided on the inner wall of the top of the sliding tube, a second limiting ring is provided on the outer wall of the bottom of the sliding tube, and a third limiting ring is provided on the outer wall of the top of the fixed tube. Multiple sliding tubes are provided, and the multiple sliding tubes are nested in sequence. The lowest sliding tube is slidably connected to the fixed tube, and the top of the highest sliding tube is closed. The one-way outlet valve, the second cavity, the fixed tube, and the sliding tube together form a closed space.

[0009] When the sliding tube slides to its limit, the third limiting ring abuts against the second limiting ring of the bottommost sliding tube, and the second limiting ring abuts against the first limiting ring of the adjacent sliding tube.

[0010] In a further optimization of this utility model, the one-way air inlet valve includes a first elastic element, a first connecting element, and a first air hole; the one-way air outlet valve includes a second elastic element, a second connecting element, and a second air hole. The first connecting element is fixedly connected to the first cavity, the second connecting element is fixedly connected to the second cavity, the first elastic element is connected to the first connecting element, the first air hole is disposed in the first cavity, and the first elastic element is used to block the first air hole; the second elastic element is connected to the second connecting element, the second air hole is disposed in the first cavity, and the second elastic element is used to block the second air hole.

[0011] In a further optimization of this utility model, the angle adjustment component includes a first fixing member, a second fixing member, a first rotating groove, a second rotating groove, a first rotating shaft, and a first connecting rod. The first fixing member and the second fixing member are detachably connected. The first fixing member is provided with a first rotating groove, and the second fixing member is provided with a second rotating groove. The cross-sections of the first rotating groove and the second rotating groove are both semi-circular. The first rotating shaft is installed in the through hole formed by the installation of the first rotating groove and the second rotating groove. The first rotating shaft and the first connecting rod are fixedly connected.

[0012] In a further optimization of this utility model, the angle adjustment assembly also includes a second rotating shaft, a second connecting rod, and a bolt for abutting the second rotating shaft. The second rotating shaft is rotatably connected to the first connecting rod and is perpendicular to the first connecting rod. The second rotating shaft is fixedly connected to the second connecting rod.

[0013] In a further optimization of this invention, at least one height adjustment component and one angle adjustment component are provided.

[0014] In a further optimization of this utility model, the shock-absorbing component includes a second compression spring and a support column. The two ends of the support column are fixedly connected to the construction platform and the vehicle frame, respectively, and the two ends of the second compression spring are fixedly connected to the construction platform and the vehicle frame, respectively.

[0015] In a further optimization of this utility model, the control component includes a first moving rod, a second moving rod, and a storage box. The storage box is located below the construction platform. The first moving rod and the second moving rod are respectively installed on the left and right sides of the storage box. The two ends of the first moving rod are slidably connected to the storage box and the construction platform, respectively. The two ends of the second moving rod are also slidably connected to the storage box and the construction platform, respectively.

[0016] This technical solution has the following advantages: it adapts to the lighting needs of different locations. Attached Figure Description

[0017] Figure 1 A three-dimensional structural diagram of a ladder truck used for safe construction of railway tunnel lighting.

[0018] Figure 2 This is a cross-sectional view of the height adjustment component.

[0019] Figure 3 This is a cross-sectional view of the pedal in the height adjustment assembly.

[0020] Figure 4 This is a three-dimensional structural diagram of the angle adjustment component.

[0021] Figure 5 This is a three-dimensional structural diagram of the control component.

[0022] Reference numerals: 1. Frame assembly; 11. Frame; 12. Construction platform; 2. Height adjustment assembly; 21. Pedal; 22. First compression spring; 23. First cavity; 24. One-way air intake valve; 241. First air port; 242. First elastic element; 243. First connecting member; 25. One-way air outlet valve; 251. Second air port; 252. Second elastic element; 253. Second connecting member; 26. Sliding tube; 261. First limiting ring; 262. Second limiting ring; 27. 271. Fixed tube; 28. Third limiting ring; 3. Second cavity; 3. Angle adjustment assembly; 31. First fixing member; 32. Second fixing member; 33. First rotating groove; 34. Second rotating groove; 35. First rotating shaft; 36. Second rotating shaft; 37. First connecting rod; 38. Second connecting rod; 39. Bolt; 4. Shock absorption assembly; 41. Second compression spring; 42. Support column; 5. Control assembly; 51. First moving rod; 52. Second moving rod; 53. Storage box. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0024] Reference Figure 1-5 The railway tunnel lighting safety construction ladder includes a frame assembly 1, a height adjustment assembly 2, an angle adjustment assembly 3, a shock absorption assembly 4, and a control assembly 5. The frame assembly 1 includes a frame 11 and a construction platform 12. The construction platform 12 is connected to the frame 11 through the shock absorption assembly 4. The control assembly 5 is located below the construction platform 12. The height adjustment assembly 2 is installed on the construction platform 12. The angle adjustment assembly 3 is connected to the height adjustment assembly 2 and is used to fix the lighting fixtures.

[0025] When lighting is needed, the construction workers adjust the height adjustment component 2 to increase or decrease the height of the angle adjustment component 3. The construction workers then adjust the angle adjustment component 3 to adjust the lamp to the position where lighting is needed.

[0026] During long-distance tunnel construction, construction personnel need to stay on the construction platform 12. During the movement of the chassis 11, the shock absorption component 4 can reduce the bumps caused by uneven road surfaces or small obstacles such as small stones. When the chassis 11 moves to the construction position, the construction personnel adjust the height adjustment component 2 to increase or decrease the height of the angle adjustment component 3. The construction personnel adjust the angle adjustment component 3 to move the lights to the place where they need to be lit. During the construction process, as the weight of the construction personnel and tools increases, the center of gravity of the chassis 11 changes. At this time, the control component 5 will move in the opposite direction of the center of gravity to adjust the center of gravity position of the chassis 11.

[0027] In existing technologies, conventional railway tunnel lighting safety construction ladders suffer from the following drawbacks, making them unsuitable for implementation: the lighting fixture is fixed to one location on the ladder, requiring the fixture to be rotated to illuminate the work area. When the distance between the work area and the fixture is significant, the lighting effect is weak, increasing the difficulty of construction. Furthermore, when the work area obstructs the light source, workers cannot observe the specific conditions of the work area and can only rely on the lighting fixture on their work helmet. The angle of the lighting fixture mounted on the work helmet is limited, resulting in some areas being unlit and a limited lighting range. This device, however, uses a ladder-mounted lighting fixture, providing a wide lighting range. This device allows the lighting fixture to be moved freely to illuminate any work area.

[0028] In the optimization process, the height adjustment component 2 includes a pedal 21, a first compression spring 22, a first cavity 23, a second cavity 28, a one-way air inlet valve 24, a one-way air outlet valve 25, a sliding tube 26, and a fixed tube 27. Both the first cavity 23 and the second cavity 28 are located inside the construction platform 12. The one-way air inlet valve 24 and the one-way air outlet valve 25 are both installed in the first cavity 23. The one-way air inlet valve 24 connects the first cavity 23 to the outside, and the one-way air outlet valve 25 connects the first cavity 23 and the second cavity 28. The fixed tube 27 is fixedly connected to the construction platform 12, and the pedal 21 is installed on the first cavity 23. The first compression spring 22 is connected to the pedal 21 and the first cavity 23 at both ends. The inner wall of the top of the sliding tube 26 is provided with a first limiting ring 261, the outer wall of the bottom of the sliding tube 26 is provided with a second limiting ring 262, and the outer wall of the top of the fixed tube 27 is provided with a third limiting ring 271. Multiple sliding tubes 26 are provided, and multiple sliding tubes 26 are nested in sequence. The bottommost sliding tube 26 and the fixed tube 27 are slidably connected, and the topmost sliding tube 26 is closed. The one-way air valve 25, the second cavity 28, the fixed tube 27 and the sliding tube 26 together form a closed space.

[0029] When the sliding tube 26 slides to its limit, the third limiting ring 271 abuts against the second limiting ring 262 of the bottommost sliding tube 26, and the second limiting ring 262 abuts against the first limiting ring 261 of the adjacent sliding tube 26.

[0030] Construction workers compress the space in the first chamber 23 by stepping on pedal 21, simultaneously compressing the first compression spring 22. This compression causes gas to flow from the first chamber 23 into the second chamber 28 through the one-way exhaust valve 25. The increased gas volume in the second chamber 28 leads to increased air pressure. To restore the air pressure to normal, the sliding tube 26 moves upward, increasing the space in the second chamber 28 and allowing the air pressure to return to normal. Releasing pedal 21 releases the elastic restoring force of the first compression spring 22, returning pedal 21 to its original position. Outside air then flows into the first chamber 23 through the one-way intake valve 24. The process of stepping on pedal 21 is repeated. When the sliding tube 26 reaches its highest position, the third limiting ring 271 in the fixed tube 27 and the second limiting ring 262 at the bottom of the sliding tube 26 connected to the fixed tube 27 are in contact with each other and cannot move, so that the fixed tube 27 and the sliding tube 26 connected to the fixed tube 27 cannot be detached. The connected sliding tubes 26 are in contact with each other because the second limiting ring 262 of the upper sliding tube 26 and the first limiting ring 261 of the lower sliding tube 26 are in contact with each other, so that multiple sliding tubes 26 stop moving and cannot be detached. The movement of the topmost sliding tube 26 drives the angle adjustment component 3 to move upward, thereby enabling the lighting lamp to reach a higher lighting position.

[0031] In the optimization, the one-way intake valve 24 includes a first elastic element 242, a first connector 243, and a first air hole 241. The one-way exhaust valve 25 includes a second elastic element 252, a second connector 253, and a second air hole 251. The first connector 243 is fixedly connected to the first cavity 23, and the second connector 253 is fixedly connected to the second cavity 28. The first elastic element 242 is connected to the first connector 243. The first air hole 241 is disposed in the first cavity 23, and the first elastic element 242 is used to block the first air hole 241. The second elastic element 252 is connected to the second connector 253, and the second air hole 251 is disposed in the first cavity 23, and the second elastic element 252 is used to block the second air hole 251.

[0032] The pedal 21 compresses the space of the first cavity 23, causing gas to impact the first elastic element 242. The first elastic element 242 abuts against the first connecting member 243, thus sealing the first vent 241 and preventing gas from escaping. The gas then impacts the second elastic element 252, causing it to deform and open the second vent 251, allowing gas to flow into the second cavity 28. Releasing the pedal 21 releases the elastic restoring force of the first compression spring 22, generating suction on the external gas. The gas then impacts the first elastic element 242, causing it to deform and open the first vent 241, allowing gas to flow into the first cavity 23. The gas then impacts the second elastic element 252, causing it to abut against the second connecting member 253 and sealing the second vent 251, preventing gas from escaping.

[0033] In the optimization, the angle adjustment component 3 includes a first fixing member 31, a second fixing member 32, a first rotating groove 33, a second rotating groove 34, a first rotating shaft 35, and a first connecting rod 37. The first fixing member 31 and the second fixing member 32 are detachably connected. The first fixing member 31 is provided with the first rotating groove 33, and the second fixing member 32 is provided with the second rotating groove 34. The cross-sections of the first rotating groove 33 and the second rotating groove 34 are both semi-circular. The first rotating shaft 35 is installed in the through hole formed by the installation of the first rotating groove 33 and the second rotating groove 34. The first rotating shaft 35 and the first connecting rod 37 are fixedly connected.

[0034] The first fixing member 31 and the second fixing member 32 can be detachably connected by bolts 39. Both the first fixing member 31 and the second fixing member 32 are fixed to the top sliding tube 26 by bolts 39. The first fixing member 31 and the second fixing member 32 are close to the first rotating shaft 35. The tightness is adjusted according to the weight of the first connecting rod 37. Specifically, it is adjusted so that the first connecting rod 37 will not move due to gravity and can be moved manually. The rotation of the first rotating shaft 35 can drive the lighting lamp to rotate in the front and back directions.

[0035] In the optimization, the angle adjustment component 3 also includes a second rotating shaft 36, a second connecting rod 38, and a bolt 39 for abutting the second rotating shaft 36. The second rotating shaft 36 is rotatably connected to the first connecting rod 37 and is perpendicular to the first connecting rod 37. The second rotating shaft 36 is fixedly connected to the second connecting rod 38.

[0036] The bolt 39 is adjusted to tighten according to the weight of the second connecting rod 38. Specifically, it is adjusted so that the second connecting rod 38 will not move due to gravity and can be moved manually. The lighting lamp can be moved to the place where it needs to be lit by rotating the first rotating shaft 35 and the second rotating shaft 36 to illuminate the construction position.

[0037] In the optimization, the number of both height adjustment component 2 and angle adjustment component 3 is set to at least one.

[0038] When multiple construction workers need to provide lighting at the same time, they have to wait, which is inefficient. Setting up multiple lighting systems can increase construction efficiency.

[0039] In the optimization, the shock absorption component 4 includes a second compression spring 41 and a support column 42. The two ends of the support column 42 are fixedly connected to the construction platform 12 and the frame 11, respectively. The two ends of the second compression spring 41 are fixedly connected to the construction platform 12 and the frame 11, respectively.

[0040] The support column 42 can be a hydraulic rod or other retractable rod. When the frame 11 moves and encounters uneven road surfaces or small obstacles such as small stones, the frame 11 will be subjected to an upward force when it passes over them. The support column 42 retracts, thereby compressing the second compression spring 41 and absorbing the force transmitted to the frame 11, thus achieving the effect of shock absorption and allowing construction personnel to stay on the frame 11 in good condition.

[0041] In the optimization, the control component 5 includes a first moving rod 51, a second moving rod 52, and a storage box 53. The storage box 53 is located below the construction platform 12. The first moving rod 51 and the second moving rod 52 are respectively installed on the left and right sides of the storage box 53. The two ends of the first moving rod 51 are slidably connected to the storage box 53 and the construction platform 12, respectively. The two ends of the second moving rod 52 are slidably connected to the storage box 53 and the construction platform 12, respectively.

[0042] When there are construction workers or heavy objects on the construction platform 12 near the first moving rod 51, the support column 42 below the first moving rod 51 retracts, causing the construction platform 12 to tilt towards the position of the first moving rod 51. The end of the first moving rod 51 connected to the construction platform 12 is subjected to a downward force, and the end of the first moving rod 51 connected to the storage box 53 will push the storage box 53, causing the storage box 53 to move to a non-tilted position, thereby adjusting the overall center of gravity of the frame 11 and achieving the function of automatically adjusting the center of gravity. At the same time, the storage box 53 can store construction items, which is convenient for transportation and construction.

[0043] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A safety construction ladder for railway tunnel lighting, characterized in that, The device includes a frame assembly, a height adjustment assembly, an angle adjustment assembly, a shock absorption assembly, and a control assembly. The frame assembly includes a vehicle frame and a construction platform. The construction platform is connected to the vehicle frame via the shock absorption assembly. The control assembly is located below the construction platform. The height adjustment assembly is installed on the construction platform. The angle adjustment assembly is connected to the height adjustment assembly and is used to fix the lighting fixture. When lighting is needed, the construction workers adjust the height adjustment component to increase or decrease the height of the angle adjustment component, and then adjust the angle adjustment component to position the light fixture at the location where lighting is required.

2. The railway tunnel lighting safety construction ladder truck according to claim 1, characterized in that, The height adjustment assembly includes a pedal, a first compression spring, a first cavity, a second cavity, a one-way inlet valve, a one-way outlet valve, a sliding tube, and a fixed tube. Both the first and second cavities are located inside the construction platform. The one-way inlet valve and the one-way outlet valve are both installed in the first cavity. The one-way inlet valve connects the first cavity to the outside, and the one-way outlet valve connects the first and second cavities. The fixed tube is fixedly connected to the construction platform. The pedal is installed above the first cavity and is used to compress the space within the first cavity. The two ends of the first compression spring are respectively connected to the pedal and the first cavity. A first limiting ring is provided on the inner wall of the top of the sliding tube, a second limiting ring is provided on the outer wall of the bottom of the sliding tube, and a third limiting ring is provided on the outer wall of the top of the fixed tube. Multiple sliding tubes are provided, and the multiple sliding tubes are sequentially nested, with the lowest sliding tube slidably connected to the fixed tube. The top of the highest sliding tube is closed. The one-way outlet valve, the second cavity, the fixed tube, and the sliding tube together form a closed space. When the sliding tube slides to its limit, the third limiting ring abuts against the second limiting ring of the bottommost sliding tube, and the second limiting ring abuts against the first limiting ring of the adjacent sliding tube.

3. The railway tunnel lighting safety construction ladder truck according to claim 2, characterized in that, The one-way intake valve includes a first elastic element, a first connecting element, and a first air hole. The one-way exhaust valve includes a second elastic element, a second connecting element, and a second air hole. The first connecting element is fixedly connected to the first cavity, and the second connecting element is fixedly connected to the second cavity. The first elastic element is connected to the first connecting element. The first air hole is disposed in the first cavity. The first elastic element is used to block the first air hole. The second elastic element is connected to the second connecting element. The second air hole is disposed in the first cavity. The second elastic element is used to block the second air hole.

4. The railway tunnel lighting safety construction ladder truck according to claim 1, characterized in that, The angle adjustment assembly includes a first fixing member, a second fixing member, a first rotating groove, a second rotating groove, a first rotating shaft, and a first connecting rod. The first fixing member and the second fixing member are detachably connected. The first fixing member is provided with a first rotating groove, and the second fixing member is provided with a second rotating groove. The cross-sections of the first rotating groove and the second rotating groove are both semi-circular. The first rotating shaft is installed in the through hole formed by the installation of the first rotating groove and the second rotating groove. The first rotating shaft and the first connecting rod are fixedly connected.

5. The railway tunnel lighting safety construction ladder truck according to claim 4, characterized in that, The angle adjustment assembly further includes a second rotating shaft, a second connecting rod, and a bolt for abutting the second rotating shaft. The second rotating shaft is rotatably connected to the first connecting rod and is perpendicular to the first connecting rod. The second rotating shaft is fixedly connected to the second connecting rod.

6. The railway tunnel lighting safety construction ladder truck according to claim 5, characterized in that, The number of both the height adjustment component and the angle adjustment component is at least one.

7. The railway tunnel lighting safety construction ladder truck according to claim 1, characterized in that, The shock absorption assembly includes a second compression spring and a support column. The two ends of the support column are fixedly connected to the construction platform and the vehicle frame, respectively. The two ends of the second compression spring are fixedly connected to the construction platform and the vehicle frame, respectively.

8. The railway tunnel lighting safety construction ladder truck according to claim 1, characterized in that, The control component includes a first moving rod, a second moving rod, and a storage box. The storage box is located below the construction platform. The first moving rod and the second moving rod are respectively installed on the left and right sides of the storage box. The two ends of the first moving rod are slidably connected to the storage box and the construction platform, respectively. The two ends of the second moving rod are slidably connected to the storage box and the construction platform, respectively.

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