Crack repairing device for nonmetal acoustic board of railway sound barrier

Abstract

The utility model provides a crack repairing device for a railway sound barrier nonmetal acoustic board, which comprises a chassis system, a power system, a control system, a stirring system and a repairing system, and the power system, the control system, the stirring system and the repairing system are all arranged on the chassis system. The chassis system is used for driving the repairing device to stably walk on a railway track; the control system is in control connection with the power system and the stirring system respectively; the power system is used for providing power for the chassis system and the stirring system; the stirring system is used for stirring a repairing material; the repairing system is used for repairing cracks; according to the device, the noise reduction performance of the non-metal acoustic board is guaranteed, the service life of the non-metal acoustic board is prolonged, meanwhile, the operation and maintenance and labor cost can be saved, and great convenience is brought to later overhaul and maintenance of engineering personnel.

Description

Technical Field

[0001] The utility model belongs to the field of sound barriers, and particularly relates to a crack repair device for non-metallic sound absorption plates of railway sound barriers. Background Art

[0002] The noise generated by high-speed trains will have a negative impact on the residents and environment along the line. Relevant research shows that people who are in a high-noise environment for a long time may suffer irreversible damage to the organs in the ears due to continuous exposure to high noise, resulting in hearing loss; noise also has varying degrees of harm to the human brain nervous system, endocrine system, etc.

[0003] As an effective noise protection measure, a sound barrier has the functions of absorbing sound and reflecting noise fluctuations, can slow down the propagation of railway traffic noise, protect the surrounding environment and residents from noise pollution. At the same time, the sound barrier can also block the line of sight to a certain extent and provide a certain visual barrier effect. With the continuous expansion of the high-speed railway network, the installation of sound barriers has been increasingly emphasized. To ensure a balance between the development of high-speed railways and environmental protection and to guarantee the quality of life of the people, the implementation of sound barriers has become an essential part of China's railway construction.

[0004] As of 2023, the total length of railway sound barriers built in China is approximately 6000 km, and the under-construction length is approximately 2500 km. Among them, the length of non-metallic sound barriers built is 2876 km, accounting for about 48.2%; the under-construction non-metallic sound barriers are 678 km, accounting for about 26.3%. From the above data, it can be seen that non-metallic sound barriers are widely used in the railway field and the current stock is large. However, due to the relatively brittle surface material and small internal steel bars of non-metallic sound absorption plates, they are extremely prone to defects such as micro-cracks, through-cracks, and surface damage during hoisting and transportation; at the same time, a large number of non-metallic sound absorption plates are exposed to the air for a long time and are affected by harsh environments such as wet-dry alternation, freeze-thaw cycles, and sun exposure, resulting in phenomena such as weathering and peeling on the surface of the plates, reducing the noise reduction performance and service life of non-metallic sound absorption plates.

[0005] As an important trackside facility, the stable and reliable sound absorption plates play an important role in the operation safety of trains. However, at present, there is little research on the crack repair solutions for non-metallic sound absorption plates of railway sound barriers at home and abroad, and the research on its key repair devices is not yet mature. Summary of the Invention

[0006] The purpose of the utility model is to provide a crack repair device for non-metallic sound absorption plates of railway sound barriers, which solves the above-mentioned deficiencies in the crack repair of existing non-metallic sound absorption plates of sound barriers.

[0007] To achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A crack repair device for a non-metallic sound absorption board of a railway sound barrier provided by the utility model comprises a chassis system, a power system, a control system, a stirring system and a repair system, wherein:

[0009] The power system, the control system, the stirring system and the repair system are all arranged on the chassis system, and the chassis system is used for driving the repair device to walk smoothly on the railway track; the control system is respectively connected to the power system and the stirring system in a controlling manner; the power system is used for providing power to the chassis system and the stirring system; the stirring system is used for stirring repair materials; the repair system is used for repairing cracks.

[0010] Preferably, the chassis system includes a chassis suspension, and a wheel axle is respectively installed at the front and rear ends of the chassis suspension, and rubber wheels are installed at both ends of each wheel axle; one of the wheel axles is drivingly connected to the power system through a belt transmission assembly.

[0011] Preferably, the power system includes a motor and a transmission shaft, wherein:

[0012] The power output end of the motor is connected to the transmission shaft, and the transmission shaft is drivingly connected to the chassis system through a belt transmission assembly;

[0013] The end of the transmission shaft is drivingly connected to the stirring device through a bevel gear set.

[0014] Preferably, the belt transmission assembly includes a transmission belt, a driving wheel and a driven wheel, wherein:

[0015] The driving wheel is sleeved on the transmission shaft, the driving wheel is connected to the driven wheel through the transmission belt, and the driven wheel is installed on one of the wheel axles in the chassis system.

[0016] Preferably, the stirring device includes a storage bin and a stirring shaft, one end of the stirring shaft extends into the inner cavity of the storage bin, and the other end is drivingly connected to the power system through a bevel gear set; a feed inlet and a discharge outlet are arranged on the storage bin, and among them, the discharge outlet is communicated with the repair system.

[0017] Preferably, multiple groups of stirring members are arranged along the axial direction of the end of the stirring shaft placed in the inner cavity of the storage bin.

[0018] Preferably, each group of stirring members includes three stirring blades, and the three stirring blades are evenly distributed along the circumferential direction of the stirring shaft;

[0019] Each stirring blade includes a stirring rod, and multiple groups of stirring sub-blades are arranged along the axial direction of the stirring rod;

[0020] Each group of stirring sub-blades includes four rods, and the four rods are evenly distributed along the circumferential direction of the stirring rod.

[0021] Preferably, the repair system includes a handheld spray gun, wherein the handheld spray gun is communicated with a discharge port opened on a storage bin in a stirring device through a transfer hose.

[0022] Preferably, a leveling disc is arranged at the nozzle of the handheld spray gun.

[0023] Preferably, the control system includes a switch main control box and a wireless remote controller, wherein the switch main control box is used to control the start and stop of the power system, and the switch main control box is wirelessly connected to the wireless remote controller.

[0024] Based on the research on non-metallic sound absorption panels for railway sound barriers and on-site construction experience, the present application proposes a crack repair device and working principle for non-metallic sound absorption panels of railway sound barriers that can self-walk on wheel rails, ensuring the noise reduction performance of the non-metallic sound absorption panels, extending their service life, and at the same time saving operation and maintenance and labor costs, bringing great convenience to the later maintenance by railway maintenance personnel.

[0025] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0026] (1) High efficiency and flexibility: The repair device is equipped with a self-walking chassis system, which can move smoothly on railway tracks without additional hoisting or transportation equipment, greatly improving the efficiency of repair operations. At the same time, the design of the handheld spray gun enables the repair material to be precisely applied or injected into cracks of various sizes and shapes, enhancing the flexibility and accuracy of repair.

[0027] (2) High degree of automation: Through the wireless remote controller and the switch main control box, railway maintenance personnel can control the entire device near the road shoulder or the sound barrier, realizing start, stop and real-time stirring during the repair process, greatly improving the safety and convenience of the operation, reducing manual intervention, and lowering the operation difficulty and labor intensity.

[0028] (3) Durable and stable: The chassis adopts rubber wheels and limit wheel pieces, effectively preventing the device from derailing and ensuring stable operation in complex environments. The chassis suspension is welded and connected by square steel pipes, with a solid structure, and bases for components such as motors and storage batteries are reserved, facilitating installation and maintenance. The drive shaft and bevel gear in the power control system are connected by a precision welding process, improving the durability and transmission efficiency of the system.

[0029] (4) Convenient maintenance: The stirring system is equipped with a feeding hopper and a feeding cover, facilitating the quick replenishment of repair materials and improving the continuity of the operation. At the same time, the design of the device reserves multiple standardized interfaces, such as drive belt interfaces, motor bases, etc., facilitating subsequent maintenance and upgrading, and also providing convenience for possible function expansion.

[0030] (5) High repair quality: The mixing system ensures that the repair material remains evenly mixed before use, guaranteeing the repair effect of the plates. The design of components such as the precision one-way valve, spring, and cylinder inside the hand-held spray gun enables the repair material to be evenly and meticulously applied or injected into the cracks, improving the flatness and strength of the repaired surface.

[0031] (6) Low failure rate: Using a single motor to achieve the start and stop of the drive device and mix the repair material reduces the number and complexity of transmission components, lowers the failure rate, and improves the reliability of the system.

[0032] (7) Strong adaptability: Aiming at the common problems of railway non-metallic sound-absorbing boards during hoisting, transportation, and long-term exposure to air, this device provides a comprehensive solution. It not only solves the problem of crack repair but also considers the operation stability of the equipment in harsh environments, with strong adaptability and practicality. Description of the Drawings

[0033] Figure 1 is the axonometric view of the repair device Figure 1 ;

[0034] Figure 2 is the axonometric view of the repair device Figure 2 ;

[0035] Figure 3 is the axonometric view of the chassis system;

[0036] Figure 4 is the schematic diagram of the power control system;

[0037] Figure 5 is the schematic diagram of the mixing and repair system;

[0038] Figure 6 is the schematic diagram of the bevel gear;

[0039] Figure 7 is the schematic diagram of the mixing shaft;

[0040] Figure 8 is the initial state diagram of the hand-held spray gun;

[0041] Figure 9 is the pressing state diagram of the hand-held spray gun;

[0042] Figure 10 is the reset state diagram of the hand-held spray gun;

[0043] Wherein: 1 - rubber wheel, 2 - square steel chassis suspension, 3 - axle, 4 - waterproof storage battery, 5 - switch main control box, 6 - transmission wire, 7 - transmission belt, 8 - motor, 9 - transmission shaft, 10 - bevel gear, 11 - storage bin, 12 - feeding cover, 13 - feeding hopper, 14 - transmission hose, 15 - hand-held spray gun, 16 - storage bin base, 17 - motor base, 18 - stirring shaft, 19 - limiting wheel piece, 1501 - feed pipe, 1502 - discharge pipe, 1503 - air cylinder, 1504 - first one-way valve, 1505 - second one-way valve, 1506 - trigger, 1507 - piston, 1508 - return spring, 1509 - leveling disc. Detailed implementation manners

[0044] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are presented in order to thoroughly understand the embodiments of the present application. However, those skilled in the art should clearly understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from interfering with the description of the present application.

[0045] It should be understood that when used in the specification of the present application and the appended claims, the term "comprising" indicates the presence of the described features, wholes, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or their combinations.

[0046] It should also be understood that the term "and / or" used in the specification of the present application and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0047] As used in the specification of the present application and the appended claims, the term "if" can be interpreted as "when", "once", "in response to determining", or "in response to detecting" depending on the context. Similarly, the phrase "if determined" or "if detecting [the described condition or event]" can be interpreted as meaning "once determined", "in response to determining", "once detecting [the described condition or event]", or "in response to detecting [the described condition or event]" depending on the context.

[0048] In addition, in the description of the specification of the present application and the appended claims, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0049] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that specific features, structures, or characteristics described in connection with that embodiment are included in one or more embodiments of this application. Thus, statements such as "in one embodiment", "in some embodiments", "in other some embodiments", "in still other embodiments", etc. that appear in different places in this specification do not necessarily all refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "comprising", "including", "having" and their variants all mean "including but not limited to", unless otherwise specifically emphasized.

[0050] Embodiment 1

[0051] As Figures 1 to 7 shown, this application provides a crack repair device for non-metallic sound absorption boards of railway sound barriers in view of the defects such as micro-cracks, through-cracks, and surface damage that are likely to occur during the hoisting and transportation of railway non-metallic sound absorption boards, and the phenomena such as weathering and peeling that are likely to occur on the surface of the non-metallic sound absorption boards when they are exposed to the air for a long time. This device is a wheel-rail type self-propelled structure, and specifically includes a chassis system, a power system, a control system, a mixing system, and a repair system, wherein:

[0052] The power system, the control system, the mixing system, and the repair system are all arranged on the chassis system, and the chassis system is used to drive the repair device to walk smoothly on the railway track; the control system is respectively connected to the power system and the mixing system in a control manner.

[0053] The power system is used to provide power to the chassis system and the mixing system;

[0054] The mixing system is used to mix the repair materials;

[0055] The repair system is used to repair cracks.

[0056] Embodiment 2

[0057] On the basis of Embodiment 1, a crack repair device for non-metallic sound absorption boards of railway sound barriers provided by the present utility model, the chassis system includes a chassis suspension 2, and a wheel axle 3 is respectively installed at the front and rear ends of the chassis suspension 2, and a rubber wheel 1 is installed at both ends of each wheel axle 3.

[0058] A limit wheel piece 19 is arranged in cooperation with each rubber wheel 1 to prevent the device from derailing.

[0059] Embodiment 3

[0060] Based on Embodiment 1, a crack repair device for a non-metallic sound-absorbing panel of a railway sound barrier provided by the present utility model, wherein the power system includes a waterproof storage battery 4, a transmission belt 7, a motor 8, a transmission shaft 9 and a first bevel gear 10, and specifically:

[0061] The power output end of the waterproof storage battery 4 is connected to the power input end of the motor 8, the power output end of the motor 8 is connected to the transmission shaft 9, a driving wheel is sleeved on the transmission shaft 9, and the driving wheel is drivingly connected to a driven wheel through the transmission belt 7.

[0062] The driven wheel is installed on one of the axles 3.

[0063] The end of the transmission shaft 9 is installed with the first bevel gear 10.

[0064] The motor 8 is installed on the square steel chassis suspension 2 through a motor base 17.

[0065] A switch main control box 5 is arranged between the motor 8 and the waterproof storage battery 4.

[0066] The switch main control box 5 is connected to a wireless remote control through a wireless network.

[0067] Embodiment 4

[0068] Based on Embodiment 1, a crack repair device for a non-metallic sound-absorbing panel of a railway sound barrier provided by the present utility model, wherein the stirring device includes a storage bin 11, a feeding cover 12, a feeding hopper 13, a storage bin base 16 and a stirring shaft 18, and specifically:

[0069] The storage bin 11 is of a cylindrical structure and is fixedly installed on the square steel chassis suspension 2 through the storage bin base 16.

[0070] A feeding port is provided on the side wall of the storage bin 11, a feeding hopper 13 is arranged at the feeding port, and a feeding cover 12 is installed on the feeding hopper 13.

[0071] The stirring shaft 18 is rotatably installed at the end of the storage bin 11, one end of the stirring shaft 18 extends into the inner cavity of the storage bin 11, and a second bevel gear is installed at the other end, and the second bevel gear is meshed and connected with the first bevel gear 10.

[0072] A plurality of groups of stirring members are arranged along the axial direction of the end of the stirring shaft 18 placed in the inner cavity of the storage bin 11.

[0073] Each group of stirring members includes three stirring blades, and the three stirring blades are evenly distributed along the circumferential direction of the stirring shaft 18.

[0074] Each stirring blade includes a stirring rod, and a plurality of groups of stirring sub-blades are arranged along the axial direction of the stirring rod.

[0075] Each set of stirring blades includes four rods, which are evenly distributed circumferentially along the stirring rod.

[0076] Embodiment 5

[0077] On the basis of Embodiment 1, a crack repair device for a non-metallic sound absorption panel of a railway sound barrier provided by the present utility model, the repair system includes a hand-held spray gun 15, wherein:

[0078] The hand-held spray gun 15 is communicated with the discharge port opened on the storage bin 11 through a transfer hose 14.

[0079] The hand-held spray gun 15 includes a feed pipe 1501 and a discharge pipe 1502. Among them, the axes of the feed pipe 1501 and the discharge pipe 1502 are perpendicular to each other.

[0080] A feed port is arranged on the feed pipe, and the feed port is connected to the transfer hose 14.

[0081] A discharge port is arranged on the feed pipe, and the discharge port is communicated with the feed port of the discharge pipe.

[0082] A nozzle is arranged at the discharge port of the discharge pipe.

[0083] A cylinder 1503 is arranged in the feed pipe 1501. A feed port is arranged on the cylinder 1503, and a first one-way valve 1504 is arranged at the feed port.

[0084] The discharge port arranged on the cylinder 1503 is communicated with the feed port of the discharge pipe, and a second one-way valve 1505 is arranged at the connection.

[0085] A trigger 1506 is movably installed on the side wall of the feed pipe. One end of the trigger 1506 extends into the cylinder and is fixedly connected to the piston 1507 in the cylinder.

[0086] Two return springs 1508 are arranged between the trigger 1506 and the piston 1507.

[0087] Working principle of the hand-held spray gun:

[0088] As Figures 8 to 10 shown, initial state: The return spring is in a natural extended state. The first one-way valve 1504 and the second one-way valve 1505 inside the spray gun remain in their initial positions, and the inside of the spray gun is in a standby state.

[0089] Pressing stage: When pressing the trigger 1506 of the spray gun, overcoming the resistance of the return spring 1507, pushing the piston 1507 inside the spray gun to move. At this time, the second one-way valve 1505 opens, and the first one-way valve 1504 closes tightly.

[0090] Reset stage: When the trigger of the spray gun is released, the reset spring starts to function, quickly pulling the piston 1507 back to its initial position. Meanwhile, a negative pressure is formed inside the cavity. At this time, the first one-way valve 1504 opens, and the second one-way valve 1505 closes tightly. The repair material enters the interior of the spray gun through the first one-way valve 1504 from the transfer hose. After reset, the spray gun returns to the standby state, and all components are ready for the next pressing operation.

[0091] Second pressing stage: When the trigger of the spray gun is pressed again, the piston moves. At this time, the second one-way valve 1505 opens, and the first one-way valve 1504 closes tightly. The repair material enters the nozzle, and the repair material is accelerated and ready to be sprayed.

[0092] Repeat the above operations, and the hand-held spray gun will be able to continuously spray the fluid until the operator releases the trigger. During the continuous spraying process, the coordinated action of the reset spring and the one-way valve ensures the stability and accuracy of the spraying.

[0093] A smoothing disc 1509 is installed at the nozzle.

[0094] The working process of this application:

[0095] An on-off signal is sent to the switch main control box through a wireless remote control. The waterproof storage battery, as a stable energy source, accurately transmits electrical energy to the drive motor through wires. After receiving the electrical energy, the motor starts quickly and drives the transmission shaft to rotate at a high speed. The transmission shaft transmits power to the wheel shaft and the stirring shaft respectively through the transmission belt and the bevel gear set. On the one hand, the rotation of the wheel shaft drives the entire repair device to move smoothly on the track. On the other hand, the bevel gear drives the stirring shaft to rotate continuously to ensure that the repair material remains evenly mixed before use. After the repair material is fully stirred, it is seamlessly transmitted to the hand-held spray gun through the transfer hose, and then accurately sprayed on the area to be repaired of the non-metallic sound-absorbing board by the hand-held spray gun. The smoothing disc at the end of the hand-held spray gun evenly covers the repair material on the crack, thereby achieving an efficient repair effect and ensuring that the surface of the repaired non-metallic sound-absorbing board is flat and flawless.

[0096] The above-described embodiments are only used to illustrate the technical solutions of this application, rather than to limit it; although this application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.

Claims

1. A crack repair device for a non-metallic sound absorption board of a railway sound barrier, characterized in that It includes a chassis system, a power system, a control system, a mixing system and a repair system, where: The power system, the control system, the mixing system and the repair system are all arranged on the chassis system, and the chassis system is used to drive the repair device to walk smoothly on the railway track; the control system is respectively connected to the power system and the mixing system in a control manner; the power system is used to provide power to the chassis system and the mixing system; the mixing system is used to mix the repair materials; the repair system is used to repair cracks.

2. The crack repair device for the non-metallic sound absorption board of the railway sound barrier according to claim 1, characterized in that, The chassis system includes a chassis suspension, and a wheel axle is installed at each of the front and rear ends of the chassis suspension, and rubber wheels are installed at both ends of each wheel axle; one of the wheel axles is drivingly connected to the power system through a belt drive assembly.

3. The crack repair device for a non-metallic sound absorption panel of a railway sound barrier according to claim 1, characterized in that, The power system includes a motor and a transmission shaft, where: The power output end of the motor is connected to the transmission shaft, and the transmission shaft is drivingly connected to the chassis system through a belt drive assembly; The end of the transmission shaft is drivingly connected to the mixing device through a bevel gear set.

4. A crack repair device for a non-metallic sound absorption board of a railway sound barrier according to claim 3, characterized in that, The belt drive assembly includes a transmission belt, a driving wheel and a driven wheel, where: The driving wheel is sleeved on the transmission shaft, the driving wheel is connected to the driven wheel through the transmission belt, and the driven wheel is installed on one of the wheel axles in the chassis system.

5. The crack repair device for the non-metallic sound absorption board of the railway sound barrier according to claim 1, characterized in that, The mixing system includes a storage bin and a mixing shaft. One end of the mixing shaft extends into the inner cavity of the storage bin, and the other end is drivingly connected to the power system through a bevel gear set; an inlet and an outlet are provided on the storage bin, and among them, the outlet is communicated with the repair system.

6. The crack repair device for a non-metallic sound absorption board of a railway sound barrier according to claim 5, characterized in that, Multiple groups of mixing members are arranged along the axial direction of the end of the mixing shaft placed in the inner cavity of the storage bin.

7. A crack repair device for a non-metallic sound absorption panel of a railway sound barrier according to claim 6, characterized in that, Each group of mixing members includes three mixing blades, and the three mixing blades are evenly distributed along the circumferential direction of the mixing shaft; Each mixing blade includes a mixing rod, and multiple groups of mixing sub-blades are arranged along the axial direction of the mixing rod; Each group of mixing sub-blades includes four rods, and the four rods are evenly distributed along the circumferential direction of the mixing rod.

8. The crack repair device for the non-metallic sound absorption panel of a railway sound barrier according to claim 1, characterized in that, The repair system includes a hand-held spray gun, and among them, the hand-held spray gun is communicated with the outlet opened on the storage bin in the mixing device through a transmission hose.

9. The crack repair device for the non-metallic sound absorption board of a railway sound barrier according to claim 8, characterized in that, A smoothing disc is provided at the nozzle of the hand-held spray gun.

10. The crack repair device for a non-metallic sound absorption board of a railway sound barrier according to claim 1, characterized in that, The control system includes a switch main control box and a wireless remote control. Among them, the switch main control box is used to control the start and stop of the power system, and the switch main control box is wirelessly connected to the wireless remote control.

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