Ballastless track slab bad rail cant trimming device

Abstract

The utility model relates to a ballastless track plate bad rail cant trimming device, which comprises a carbon steel frame, and a water tank, a polishing device and a control device which are arranged on the carbon steel frame, water for water polishing process is stored in the water tank, the polishing device is arranged on the carbon steel frame and can move on the carbon steel frame, the polishing device comprises a polishing wheel, and the polishing wheel is arranged on the carbon steel frame. And the control device controls the three-dimensional movement, the polishing angle and the implementation and termination of the polishing action of the polishing wheel. The device has the advantages of being simple in structure, small in size, convenient to implement and carry out operation, small in field module installation workload, high in operation efficiency, high in automation degree, high in function integration, capable of flexibly controlling the grinding angle to repair rail cant diseases of different degrees, high in precision, small in vertical grinding depth of a rail bearing table after repairing and high in reliability. And after polishing, large-range ballastless line fine adjustment and interval speed limiting are not needed, interference to high-speed rail transportation is small, and the method is suitable for repairing and renovating the rail cant of the ballastless bearing rail table with the retaining shoulder with the superelevation smaller than 120 mm.

Description

TECHNICAL FIELD

[0001] The utility model relates to high speed railway engineering equipment regulation technical field especially a bad track bottom slope finishing device of slab track, be applicable to the bad track bottom slope finishing of high speed railway with shoulder type slab track. BACKGROUND

[0002] Slab track refers to the track structure that adopts concrete, asphalt mixture and the like whole foundation to replace the track structure of granular broken stone bed.

[0003] The foundation below the slab track is usually subgrade, tunnel, bridge and the like, when the foundation deforms under the influence of external environment such as water, temperature and the like, it can cause the track slab to deform to different degrees, thereby producing bad track bottom slope. In addition, the track slab itself is affected by temperature or is located at the beam end of the bridge, and the track bottom slope can also be abnormally deformed due to warping deformation. The bad track bottom slope directly causes the wheel-rail contact surface to be not centered, and the EMU car shaking and shaking phenomenon is easy to occur, which reduces the high-speed rail operation quality. The track top slope is usually ground and polished to adjust the bad track bottom slope as a temporary regulation method, and since the steel rail polishing range and polishing depth are small, the method has limited ability to adjust the bad track bottom slope. SUMMARY

[0004] The utility model discloses a kind of bad track bottom slope finishing devices of slab track according to the deficiency of the prior art, and different angles are ground by angle adjusting module and grinding wheel to bearing rail platform, for overcoming the problem of limited ability to adjust bad track bottom slope by steel rail polishing.

[0005] The utility model discloses a kind of bad track bottom slope finishing devices of slab track according to the deficiency of the prior art, and different angles are ground by angle adjusting module and grinding wheel to bearing rail platform, for overcoming the problem of limited ability to adjust bad track bottom slope by steel rail polishing.

[0006] A bad track bottom slope finishing device of slab track, characterized by: including carbon steel frame and the water tank, polishing device, control device installed in the carbon steel frame, wherein the water tank stores water for water polishing process, the polishing device is installed on the carbon steel frame, and the polishing device can move on the carbon steel frame, the polishing device includes grinding wheel, and the control device controls three-dimensional movement, polishing angle and polishing action implementation and termination of the grinding wheel.

[0007] The grinding device includes a horizontal adjustment module, a vertical adjustment module, a tilt adjustment module, a laser alignment device, a grinding wheel, a nozzle, a power system, a grinding base, and a lead screw. The grinding base and lead screw are located on the upper part of the grinding device and connected to the carbon steel frame. The power system provides energy for the grinding wheel to perform on-site grinding. The grinding wheel is mounted on the grinding base and its position is controlled by the horizontal adjustment module, the vertical adjustment module, and the tilt adjustment module. The nozzle is connected to the water tank via a water pipe.

[0008] The vertical adjustment module, the grinding wheel, and the laser alignment device are located at the transverse center of the main frame of the carbon steel frame.

[0009] The carbon steel frame includes a main frame, four frame legs, two fixed legs, and four lifting lugs. The four frame legs are respectively located at the lower corners of the main frame, and the four lifting lugs are respectively located at the upper corners of the main frame.

[0010] The control device consists of electrical equipment and control elements. The control device is installed at the rear end of the carbon steel frame via a control box, two support legs and a fixed support leg. The control box is equipped with an electrical conduit that connects to the power system in the grinding device.

[0011] The water tank is mounted on the front end of the carbon steel frame via two support legs and one fixed support leg.

[0012] The advantages of this utility model are: simple structure and small size, easy to carry out operation, small workload of on-site module installation and high operation efficiency. The device has a high degree of automation and high functional integration. It can flexibly control the grinding angle to repair rail bottom slope defects of different degrees with high precision. The vertical grinding depth of the rail bearing platform after repair is small. After grinding, there is no need for large-scale fine adjustment of ballastless track and speed limit in sections. It has little interference with high-speed rail transportation. It is suitable for the repair and treatment of rail bottom slope of ballastless rail bearing platforms with shoulders with superelevation of less than 120mm. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the carbon steel frame structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the water tank and control device in this utility model;

[0016] Figure 4 This is a schematic diagram of the grinding device in this utility model. Detailed Implementation

[0017] The features and other related features of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments, so as to facilitate the understanding of those skilled in the art:

[0018] like Figures 1-4 As shown in the figure, each element is represented as follows:

[0019] Carbon steel frame 1, slide rail 1-1, frame support leg 1-2, lifting lug 1-3, main frame 1-4, positioning and installation module 1-5, fixed support leg 1-6;

[0020] Water tank 2, water tank shell 2-1, water pipe 2-2, water tank cover 2-3, water inlet 2-4;

[0021] Grinding device 3, lead screw 3-1, horizontal adjustment module 3-2, angle adjustment module 3-3, laser alignment device 3-4, grinding wheel 3-5, nozzle 3-6, vertical adjustment module 3-7, grinding base 3-8, motor 3-9, transmission system 3-10;

[0022] Control device 4, control box 4-1, electrical conduit 4-2.

[0023] Example: Figure 1 As shown, in this embodiment, the ballastless track slab defective rail bottom slope repair device is used for grinding and cleaning the ballastless track slab bearing platform. The device is transported to the construction site by a railcar, hoisted onto the track slab on the adjacent line, and the grinding wheels 3-5 are moved in three dimensions to the defective rail bottom slope of the ballastless track slab by the control device 4 and ground and repaired.

[0024] Specifically, such as Figure 1 As shown, the ballastless track slab defective rail bottom slope repair device includes a carbon steel frame 1, a water tank 2, a grinding device 3, and a control device 4. The frame legs 1-2 of the carbon steel frame 1 are installed between adjacent rail bearing platforms of the track slab, and the fixed legs 1-6 are installed on the rail bearing platforms of the track slab. The grinding device 3 uses a vertical grinding method relying on the carbon steel frame 1. The water tank 2 and the control device 4 are connected to the grinding device 3 through water pipes 2-2 and electrical conduits 4-2.

[0025] In this embodiment, the bolts and nuts involved in the positioning and installation modules 1-5 are specially made according to the positioning holes, and the bolts, track spikes and flat washers connecting the bottom of the fixed support legs 1-6 to the pre-embedded sleeve of the rail bearing platform are selected according to different types of grinding track plates.

[0026] Combination Figure 1 and Figure 3 As shown, the main frame 1-4 is arranged with a water tank 2, a grinding device 3 and a control device 4 in sequence. Two fixed legs 1-6 are fixed to the track plate bearing platform with bolts and track spikes. The device's own weight and bolt anchoring force are used to eliminate the vibration effect when the grinding wheel 3-5 repairs the poor rail bottom slope of the bearing platform.

[0027] Combination Figure 4 As shown in the bad track bottom slope repair, first use vertical adjustment module 3-7 adjustment grinding wheel 3-5 height in the use of horizontal adjustment module 3-2 adjustment appropriate position, finally through the vertical adjustment module 3-7 make grinding wheel 3-5 and track board bearing rail platform concrete bearing rail groove contact.

[0028] It should be noted that, Figure 1 The described ballastless track slab for CRTS II type plate is only used as a grinding demonstration, and the grinding device can realize the repair of various types of ballastless track slab bearing rail platform track bottom slope in actual application. The grinding wheel 3-5 mainly uses grinding in actual grinding process, and the vertical grinding amount is small.

[0029] It should be noted that the maximum super-elevation of the track slab during hoisting operation in the curve section is 120mm, and the geometric center of the carbon steel frame 1 and the working safety of the grinding device 3 are considered, and the bad track bottom slope repair device of the ballastless track slab is applied to the track bottom slope repair of the ballastless track with super-elevation less than 120mm.

[0030] It should be noted that the bad track bottom slope repair device of the ballastless track slab can also be manually transported for single-line grinding operation under the allowable conditions of the passage door and the work site due to the double-line section of the ballastless track, in addition to placing the device so that the transmission system 3-10 is close to the two-line interval.

[0031] In use, the embodiment includes the following processes:

[0032] Select the appropriate air temperature, so that the difference between the design locking temperature is between-20℃ and +5℃, loosen the fasteners of the ballastless track within a certain range before and after the grinding repair, two steel rails are lifted and the steel rails are pushed to the gap of 2mm, and then locked, the track rubber pad and the iron pad are removed, the bearing rail platform embedded sleeve and the bearing rail groove are cleaned; the ballastless track bad track bottom slope repair device is transported to the grinding construction site by using the track car, the device is hoisted to the track slab through the hook connection lug 1-3, and the main body frame 1-4 is perpendicular to the center line of the ballastless track slab during hoisting; the grinding base 3-8 is moved to the bearing rail platform to be repaired by controlling the screw 3-1 and the sliding groove 1-1, and the grinding wheel 3-5 is fine-tuned by the vertical adjustment module 3-7, the horizontal adjustment module 3-2 and the laser alignment device 3-4, so that the gravity center of the grinding wheel 3-5 coincides with the geometric center of the bearing rail groove; according to the bad track bottom slope value measured in the early stage, the grinding wheel 3-5 is adjusted to a reasonable angle by the angle adjustment module 3-3, and the grinding wheel 3-5 is controlled to grind and the nozzle 3-6 is controlled to supply water.

[0033] The embodiment can be used in the following specific implementation: the track vehicle is used to place the standby grinding device 3 and the standby water source, and when the grinding device 3 fails or the grinding wheel 3-5 is excessively worn, and the water tank 2 is insufficient in water storage, the emergency can be effectively responded.

[0034] In some cases, in order to improve the accuracy of the grinding wheel to the cutter, when the center of the rail support platform is found by using the exciting alignment device 3-4, the manual steel ruler measurement can be used for review.

[0035] In some cases, due to the different thicknesses of the rail support grooves of different types of track plates, the mm-level thickness of the rail under rubber pad is placed under the four legs of the frame support leg 1-2 to meet the installation and leveling before the grinding of different types of track plates.

[0036] Although the above embodiment has been described in detail with reference to the drawings for the purpose of the concept and embodiment of the utility model, those skilled in the art can realize that various improvements and changes can be made to the utility model without departing from the scope defined by the claims, and therefore, detailed description is not given here.

Claims

1. A device for correcting the track bottom slope of a bad track bottom of a ballastless track slab, characterized in that: The application relates to a carbon steel frame and a water tank, a polishing device and a control device mounted on the carbon steel frame, wherein the water tank stores water for a water polishing process, the polishing device is mounted on the carbon steel frame and can move on the carbon steel frame, the polishing device comprises a polishing wheel, and the control device controls three-dimensional movement, polishing angle and polishing action implementation and termination of the polishing wheel.

2. The device for modifying the track bottom slope of a ballastless track slab according to claim 1, characterized in that: The polishing device comprises a horizontal adjustment module, a vertical adjustment module, an inclination adjustment module, a laser alignment device, a polishing wheel, a spray head, a power system, a polishing base and a lead screw, wherein the polishing base and the lead screw are arranged on the upper part of the polishing device and are connected with the carbon steel frame, the power system is used for supplying energy for on-site polishing of the polishing wheel, the polishing wheel is mounted on the polishing base and the position of the polishing wheel is controlled by the horizontal adjustment module, the vertical adjustment module and the inclination adjustment module, and the spray head is connected with the water tank through a water pipe.

3. The device for modifying the track bottom slope of a ballastless track slab according to claim 2, characterized in that: The vertical adjustment module, the polishing wheel and the laser alignment device are located at the horizontal center of the main body frame of the carbon steel frame.

4. The device for modifying the track bottom slope of a ballastless track slab according to claim 1, characterized in that: The carbon steel frame comprises a main body frame, four frame legs, two fixed legs and four lifting lugs, wherein the four frame legs are arranged below each corner of the main body frame respectively, and the four lifting lugs are arranged above each corner of the main body frame respectively.

5. The device for modifying the track bottom slope of a ballastless track slab according to claim 1, characterized in that: The control device is composed of electrical equipment and control elements, the control device is arranged on the rear end of the carbon steel frame through a control box, two legs and a fixed leg, the control box is provided with a wire pipe connected with the power system of the polishing device.

6. The device for modifying the track bottom slope of a ballastless track slab according to claim 1, characterized in that: The water tank is arranged on the front end of the carbon steel frame through two legs and a fixed leg.

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