Flatness control device for ballast bed slab of ballastless track
By designing a flatness control device for the bed of the ballless track including a control frame, adjustment screw, scraper, walking wheel and vibration motor, the problem of uneven surface after concrete pouring is solved, fast and accurate flatness control is achieved, and construction efficiency and appearance quality are improved.
Patent Information
- Application Number
- CN202421646881.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-07-12
AI Technical Summary
During the construction of double-block ball-free tracks, the surface of the concrete is uneven after pouring, especially in curved areas, which leads to manual feeding and leveling, which has the problem of poor visual fatigue and flatness control.
A ballless track bed flatness control device is designed, including a control frame, adjustment screw, scraper, walking wheel and vibration motor. Through the combination of these components, the flatness of the board surface can be quickly and accurately controlled, and the rough leveling, slurry lifting and leveling work can be completed.
The device can improve work efficiency, quickly move, simple assembly, high degree of mechanization, save labor costs, ensure that the flatness of the surface of the roadbed plate meets the design requirements, and avoid flatness problems caused by human operation differences.
Smart Images
Figure CN223033768U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of construction of double-block ballastless tracks for railways, and particularly relates to a flatness control device for the ballastless track bed slab. Background Art
[0002] At present, during the construction of double-block ballastless tracks, when pouring the concrete of the track bed slab, the concrete is put into the formwork through a gantry crane and a hopper. After the placing is completed, the concrete surface is uneven. Especially in the curved section, there are problems such as more concrete placed at the lower end and less at the higher end, and manual feeding is required for leveling.
[0003] For the flatness of the surface, three construction workers on the left, in the middle and on the right need to roughly level and lift the slurry with a wooden float by looking at the edge of the sleeper, and then level it with a steel float. Due to the different finishing levels and forces of each person, and the flatness is controlled by visual observation, there is visual fatigue, resulting in problems such as waves on the surface of the track bed slab, insufficient flatness, and non-compliance with the slope requirements, affecting the quality of the track bed slab and its appearance, and the construction efficiency is not high. Summary of the Utility Model
[0004] Aiming at the above-mentioned problems in the prior art, the utility model provides a flatness control device for the ballastless track bed slab. This device can accurately and quickly control the flatness of the surface of the poured track bed slab during the concrete pouring process of the track bed slab, complete rough leveling, slurry lifting and leveling at one time, improve work efficiency, and can move quickly, be simply assembled, have a high degree of mechanization, and save labor costs.
[0005] In order to solve the above technical problems, a flatness control device for the ballastless track bed slab proposed by the utility model is characterized in that: it includes a control frame, adjusting screws, a scraper, walking wheels and a vibration motor. The control frame includes two parallel square tubes, and flange plates are respectively welded on each square tube. Two walking wheels are installed on each flange plate. The scraper is placed on the track bed slab, and adjusting screws are welded on the scraper and connected to the control frame. The vibration motor is placed on the scraper.
[0006] Preferably, one flange plate is installed for each walking wheel, which matches the flange plate on the control frame.
[0007] Preferably, the cross-section of the square tube is 50mm×50mm and the length is 2800mm.
[0008] Preferably, the flange plate on the control frame is 450mm long and 140mm wide.
[0009] Preferably, the distance between the two square tubes is 250mm, and the distance between the two flange plates is 1340mm.
[0010] Preferably, the traveling wheels are single-sided insulated nylon wheels with a wheel diameter of 50 mm.
[0011] Preferably, the adjusting screw rod is a precision-rolled threaded steel screw rod with a diameter of 10 mm and a length of 500 mm.
[0012] Preferably, the two side pieces of the scraper are 650 mm long, 230 mm wide, and 5 mm thick, the middle piece is 650 mm long, 550 mm wide, and 5 mm thick, the short sides are folded up 50 mm, and the corners are set as 20 mm arcs.
[0013] Compared with the prior art, the present utility model has the following advantages and positive effects:
[0014] 1. The present utility model uses traveling wheels to place on the top surface of the rail, can freely travel on the track-laying rails, can move quickly, and mechanizes the leveling, avoiding problems of appearance quality such as waves, insufficient flatness, and non-compliant slopes on the surface of the ballast slab caused by differences in manual operations, and can facilitate rapid and efficient rough leveling, slurry lifting, and leveling on-site, improving work efficiency.
[0015] 2. The present utility model forms an integral body through the combined installation of the control frame, adjusting screw rod, and scraper. The adjusting screw rod drives the scraper. Taking the rail surface as the reference height, the distance from the designed concrete surface to the rail top is set, accurately positioning the slope position of the ballast slab surface. Starting the vibration motor to scrape the surface of the ballast slab concrete flat, and can achieve an effect of slurry lifting and leveling through the cooperation of the scraper and the vibration motor, effectively controlling the flatness of the ballast slab surface and ensuring that the flatness of the ballast slab concrete surface meets the design requirements.
[0016] 3. The present utility model is simple to assemble, light in self-weight, high in mechanization level, convenient for construction workers to control the slope and flatness of the on-site ballast slab surface, saves labor costs, and improves work efficiency. Description of the Drawings
[0017] Figure 1 is the front view of the present utility model;
[0018] Figure 2 is Figure 1 the side view of
[0019] Figure 3 is Figure 1 the top view of
[0020] In the figure: 1 - control frame, 2 - adjusting screw rod, 3 - aluminum alloy scraper, 4 - traveling wheel, 5 - vibration motor, 6 - ballast slab, 7 - rail, 8 - sleeper, 9 - formwork, 10 - control frame flange plate, 11 - track-laying, 12 - traveling wheel flange plate. Detailed Embodiment
[0021] The present utility model will be further described in detail below in conjunction with specific embodiments.
[0022] As Figure 1 , Figure 2 , Figure 3 shown, a device for controlling the flatness of a ballastless track bed slab proposed by the present utility model is composed of a control frame 1, adjusting screws 2, an aluminum alloy scraper 3, traveling wheels 4, and a vibration motor 5. The control frame 1 is formed by welding two stainless steel square tubes with a cross-section of 50 mm × 50 mm and a length of 2,800 mm placed in parallel and two flange plates 10. The distance between the two stainless steel square tubes is 250 mm, the distance between the two flange plates is 1,340 mm, the flange plates are 450 mm long and 140 mm wide. The specific dimensions and shapes are as Figure 3 . The traveling wheels 4 are single-sided insulating nylon wheels with a wheel diameter of 50 mm. A flange plate 12 is installed on each traveling wheel, which matches the flange plate of the control frame. Two traveling wheels are installed on each flange of the control frame, and the positions are as Figure 1 , Figure 2 . The adjusting screws 2 are precision rolled threaded steel screws with a diameter of 10 mm and a length of 500 mm. The aluminum alloy scraper 3 is made of aluminum alloy. The two side pieces are 650 mm long, 230 mm wide, and 5 mm thick. The middle piece is 650 mm long, 550 mm wide, and 5 mm thick. The short sides are folded up 50 mm, and the corners are set as 20 mm arcs. Four adjusting screws 2 are welded on each aluminum alloy scraper and connected to the control frame. The vibration motor is powered by a lithium battery, and the motor power is 24 w. The vibration motor is powered by a lithium battery, and the motor power is 24 w. By adjusting the adjusting screws, the distance from the designed concrete surface to the rail top is set, and the slope position of the track bed slab surface is accurately positioned. The vibration motor is started, and the concrete surface of the track bed slab is scraped flat. And through the cooperation of the aluminum alloy scraper and the vibration motor, an effect of slurry lifting and leveling can be achieved.
[0023] The using process of the present utility model is as follows: During the construction of the ballastless track bed slab concrete, after the concrete is poured into the formwork, the device is lifted above the track panel 11, and the traveling wheels 4 are smoothly placed on the track panel rails 7. By adjusting the adjusting screws 2, the distance from the designed concrete surface to the rail top is set, and the slope position of the track bed slab 6 is accurately positioned. After the concrete is poured into the formwork through the cooperation of the gantry crane and the hopper, the vibration motor 5 is started. The construction workers stand on both sides and push the control frame 1 to walk forward at a constant speed to roughly level, lift the slurry, and level the concrete of the track bed slab 6. When passing through the position of the track panel cross beam, the control frame is lifted to cross the cross beam and then put down the control frame, and continue to push forward. After the pouring is completed, the control frame is lifted down to complete the control of the flatness of the track bed slab concrete.
[0024] Although the present utility model has been described above in conjunction with the drawings, the present utility model is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present utility model, those of ordinary skill in the art can also make many modifications without departing from the purpose of the present utility model, and all of these fall within the protection scope of the present utility model.
Claims
1. A ballastless track slab flatness control device, characterized in that: It includes a control frame, an adjusting screw, a scraper, a travel wheel and a vibration motor. The control frame includes two parallel square tubes, each of which is welded with a flange plate, and each flange plate is equipped with two travel wheels. The scraper is placed on the roadbed plate, and an adjusting screw is welded on the scraper to connect with the control frame, and the vibration motor is placed on the scraper.
2. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: Each traveling wheel is provided with a flange plate, which matches the flange plate on the control frame.
3. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: The square tube has a cross-section of 50 mm×50 mm and a length of 2800 mm.
4. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: The flange plate on the control frame is 450 mm long and 140 mm wide.
5. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: The distance between the two square tubes is 250 mm, and the distance between the two flange plates is 1340 mm.
6. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: The traveling wheel is a single-sided insulating nylon wheel with a wheel diameter of 50 mm.
7. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: The adjusting screw is a precision-rolled threaded steel screw with a diameter of 10 mm and a length of 500 mm.
8. The device for controlling the flatness of a ballastless track slab according to claim 1, characterized in that: The two pieces on the scraper edge are 650mm long, 230mm wide and 5mm thick, the middle piece is 650mm long, 550mm wide and 5mm thick, the short side is folded upward by 50mm, and the corner is set to a 20mm arc.