CN204212015U - A kind of railway track profile milling-grinding equipment - Google Patents

Abstract

A kind of railway track profile milling-grinding equipment, it comprises at least two joint cars, car according to operating direction front is defined as front truck, rear car is defined as according to the rearward car of operator, according to the elemental operation order of milling-grinding equipment, before the equipment frame bottom of described front truck between operation bogie and rear operation bogie, by arranging between milling apparatus, milling function after forward direction, milling apparatus scrap collection air compressor machine; On the equipment frame top of front truck, be working driver chamber by the order after forward direction, this working driver chamber hold concurrently between high-speed cruising function, milling apparatus hydraulic power unit, between milling apparatus scrap collection air compressor machine, milling apparatus electric equipment compartment, scrap collection helical conveyor, iron filings compressed air exhaust opening, iron filings left and right sides row band; In the rearward end of the vehicle frame of front truck, air supply system and coupling draw-gear are housed, arrange pneumatic reservoir system on the equipment frame top of rear car along operating direction front end, the diameter of the milling dish of milling apparatus is not less than 600mm.

Description

Milling and grinding equipment for railway rail profile

technical field

The utility model relates to a railway maintenance machine, which is a complete machine layout of rail railway profile milling and repairing equipment.

Background technique

The rail reconditioning machine can dynamically mill and grind the rails on the line during operation to eliminate defects such as side grinding, corrugation, rolling layers, cracks, and peeling of the rails, thereby restoring the design shape of the working part of the rail head. The following goals can be achieved: increase the service life of the rail; improve the longitudinal smoothness and cross-sectional profile quality of the rail (reduce rail wear, improve the contact geometry of the wheel and rail, and reduce the relative wear of the wheel and rail); reduce the maintenance cost and reuse cost of the rail; reduce the operation Noise improves road network operational safety and operational efficiency.

The traditional rail shaping equipment is mainly a rail grinding car at present. The rail grinding car has the characteristics of high operating efficiency and flexible grinding in terms of preventive rail shape repair, treatment of lightly diseased rails, line inner rail shape trimming, and special rail profile grinding. The price is high, the amount of maintenance is large, the operation produces more smoke, dust, and sparks, etc., and is not suitable for operation in places with poor environmental conditions such as long tunnels, subways, and light rails; , High-efficiency, high-precision, and environmentally friendly rail shaping equipment that can deal with serious diseases can form a strong complementarity with rail grinding vehicles.

At present, the known milling, grinding and shaping equipment adopts one car to arrange two sets of milling devices and one set of grinding device. Due to the limitation of axle load, the diameter structure of the milling disc of the milling device used is small (for example, less than 600mm), so that its inertia is relatively small during milling. Small, the vertical force component is large when cutting, the cutter head is unstable, the life of the cutter grain is short, and the working efficiency is low.

Utility model content

In order to solve the above problems, the utility model relates to a railway rail profile milling equipment.

The utility model stipulates: X direction: the longitudinal direction of the rail, that is, the direction parallel to the advancing direction of the rail;

Y direction: the rail is transverse, that is, perpendicular to the direction in which the rail advances;

Z direction: The direction perpendicular to the plane where the longitudinal direction of the rail and the transverse direction of the rail are located.

High speed: the speed is greater than 20km/h.

The utility model provides a rail profile milling and grinding equipment, which includes at least two car frames. The two car frames are called a rear car frame and a front car frame. High-speed driving bogies are installed at both ends of the rear car frame. The rear end of the top of the rear frame is equipped with a high-speed operating cab, and the rear frame in front of the operating cab is provided with an iron filings collection screw conveying bin, and the rear frame in front of the iron filings collecting spiral conveying bin is provided with at least one set of power Between the unit and its warehouse, a brake is installed under the rear frame under the power unit, a diesel tank is installed under the rear frame behind the brake, and a working drive bogie is installed at both ends of the bottom of the front frame. The upper part of the rear end of the front frame is provided with a pumping station, and at least one set of grinding device is installed in front of the working drive bogie at the rear end of the front frame, and the position above the front frame corresponding to the grinding device is equipped with a grinding disc maintenance device and In the warehouse, the grinding disc maintenance device and the electrical room I are set in front of the warehouse, and the position below the front frame corresponding to the electrical room I is equipped with a milling device iron filings collection air compressor and the warehouse room, and the milling device iron filings collection space The front of the press and the warehouse is equipped with a powder collecting device and its warehouse. At least one set of milling device is installed on the lower part of the front frame in front of the powder collecting device. The electrical room II is arranged behind the driver's cab, and the milling device includes a supporting base II, which is fixed on the front frame, and a guide rail I is installed on the left side of the supporting base II, and a guide rail base plate is installed on the left side of the guide rail I , the left side of the guide rail substrate is equipped with guide rail II, the left side of the guide rail II is connected to the main body of the milling device, and the main body of the milling device is equipped with a milling disc, which is connected to the drive motor I and driven by the drive motor I. The milling disc The diameter of the disc is not less than 600mm.

Preferably, the diameter of the milling disc shown is not greater than 1400mm, and the two frames are connected by a coupling traction device.

In any of the above solutions, preferably, one guide rail I is arranged symmetrically at the upper and lower ends of the support base II.

In any of the above schemes, it is preferred that the guide rail I moves along the Y direction, and the guide rail II moves along the Z direction, so as to realize displacement in the Y direction and Z direction when the milling device is shaping the profile of the rail.

In any of the above schemes, it is preferable that the grinding device includes a supporting base I, which is installed under the front frame, and the right side of the supporting base I is connected by two guide rails III arranged at the upper and lower ends. The base plate is equipped with a guide rail IV on the right side of the base plate, the guide rail IV moves along the Z direction, and the guide rail III moves along the Y direction. The right side of the base plate is also connected to the main body of the grinding device. The motor II is connected, and the driving motor II provides the working driving force for the grinding disc, so as to realize the dynamic grinding of the rail.

In any of the above schemes, it is preferred that the two wheel sets of the working drive bogie are both connected to the axle gearbox and the motor.

In any of the above solutions, preferably, the axle gearbox is connected to the bogie frame by a suspension device, the suspension device includes a torsion arm, and the torsion arm is connected to the axle gearbox, and the axle gearbox is installed on the axle of the wheel set , the end of the torsion arm is connected to the bogie frame, and the bottom of the torsion arm end is connected to the bogie frame through a telescopic device.

In any of the above solutions, preferably, the end of the torsion arm is connected to the bogie frame through a pull plate.

In any of the above solutions, more preferably, a shock absorber is installed between the pull plate and the main beam of the bogie frame.

In any of the above solutions, it is more preferable that the bottom end of the middle part of the main beam of the bogie frame includes at least one protruding support, and the support is connected to the position below the end of the torsion arm.

In any of the above solutions, it is more preferred that the bottom of the torsion arm end is connected to the support at the bottom end of the main beam of the bogie frame through a telescopic device.

In any of the above schemes, preferably, the telescopic device includes a telescopic mechanism, the fixed end of the telescopic mechanism is connected to the support at the bottom end of the main beam of the bogie frame, and the telescopic end of the telescopic mechanism is connected to the hinge point of the torsion arm, And between described torsion arm, travel switch installation seat is housed, and travel switch is housed on this travel switch installation seat, and the effect of this travel switch is to control the stroke of telescoping mechanism and its limit protection.

In any of the above schemes, it is more preferred that at least two suspension points are included between the axle gearbox and the torsion arm, and one suspension point includes a pull plate and a shock absorber, and the suspension point is It constitutes the elastic connection suspension point between the axle gearbox and the bogie frame, and the other suspension points include telescopic mechanisms and travel switches. The suspension point is formed by the travel switch to form a rigid connection suspension point between the axle gearbox and the bogie frame.

In any of the above schemes, it is more preferable that there are two hinge points between the axle gearbox and the torsion arm, the two hinge points are located on both sides of the longitudinal section of the gear center in the axle gearbox, and the two hinge points are point and the gear center form a triangle, the axle gearbox and the torsion arm move around the hinge point of the torsion arm and the bogie frame, the triangular structure makes the structure between the axle gearbox and the torsion arm stable, so When the axle gearbox and the torsion arm move around the hinge point of the torsion arm and the bogie frame, there will be no relative movement between the axle gearbox and the torsion arm, thereby ensuring the transmission efficiency of the axle gearbox.

The working mode of the rail profile milling equipment provided by the utility model is as follows: when working, it runs in the direction in front of the front frame, turns on the hydraulic motor, and the hydraulic motor transmits power to the axle gearbox through the transmission shaft, and the power in the axle gearbox The gear mechanism changes the direction of the power by 90 degrees, and transmits it to the axle through the gear mechanism. The axle drives the wheel set to rotate, thereby driving the vehicle forward, and the working vehicle travels to the work site at high speed. The pull plate at the end of the torsion arm of the axle gearbox is connected to the bogie frame through the shock absorber, the travel switch is closed, and the telescopic mechanism is in a floating state. The telescopic mechanism can expand and contract with the movement of the torsion arm. The hinge point of the frame rotates. During the traveling process, the position of the shock absorber between the axle gearbox and the bogie member changes to realize the elastic suspension between the axle gearbox and the frame. Suspension requirements for series vehicles in high-speed operating conditions; the pull plate at the end of the torsion arm of the high-speed bogie axle gearbox of the rear car B series vehicles is connected to the bogie frame through a shock absorber (no locking position), and the high-speed gearbox is in The high-speed gear can meet the suspension requirements of the rear B-series vehicles in high-speed operating conditions. Avoid excessive driving impact on the gearbox caused by high-speed operation, which may cause the suspension of the gearbox to be damaged or fall off.

After arriving at the road section to be worked, when working, lock the telescopic mechanism of the telescopic device on the axle gear box of the working bogie of the A-series vehicle in front, the torque arm and the bogie member are in a rigid connection state, and the axle gear box along the torque arm The hinge point between the telescopic mechanism and the telescopic mechanism will rotate, and there will be no relative movement between the axle gearbox and the bogie frame, eliminating the instantaneous impact generated when the operation is driven, and the operation gearbox is in the operation gear, ensuring the required working conditions Stiffness and traction; the pull plate at the end of the torsion arm of the high-speed bogie of the rear car B series car is connected to the bogie frame through the shock absorber (no locking position), and the high-speed gearbox is in the neutral position to ensure that the rear car B The series vehicles belong to the attached device to ensure the normal operation and construction.

The control oil cylinders of the front operation driving bogie and the rear operation driving bogie of the front frame are in the working position to ensure the rigidity between the running frame and the frame during operation, and the high-speed gearboxes of the bogie of the rear frame are in the neutral position. The speed measurement device on the front operation driving bogie of the front frame is in the working position, and the real-time monitoring of the running speed is fed back to the milling and grinding control unit; the milling device is positioned on the rail through the positioning device, and the milling operation of the rail profile is dynamically realized. At the same time, the iron chip collection air compressor of the milling device under the front frame is in the running position, and the iron chips generated by the milling operation are collected into the iron chip collection screw conveying bin through the "Venturi" principle. After the operation is completed, the iron chips are collected The left side belt or the right side belt of the spiral conveying bin removes the iron chips from the iron chip bin; when the milled rail surface is to be ground, the grinding device is dynamically pressed on the rail through the positioning device to realize the milling The final profile of the rail is dynamically ground, and the polished iron filings and grinding powder are collected into the grinding box through the grinding powder collection device. After the operation is completed, the grinding powder is removed from the grinding box, so as to realize the dynamic milling and grinding of the rail. .

When the operation is completed and high-speed travel is required, the bogie of the front frame changes from rigid connection to elastic connection, the working gear box and motor are in neutral position, all devices are in high-speed operation position, and the bogie of rear frame is in high-speed operation position. High-speed running The gearbox and motor are in the high-speed running position, and the whole machine is driven at high speed through the power unit at the same time or separately. When the dual power output is used, the self-propelled speed can reach 100km/h. When the single power output is used, it can play a rescue guarantee function. Evacuate the operating vehicle from the railway at a speed of no higher than 50kM/h to "block the skylight" to ensure safe and reliable operation.

More operations are known to those skilled in the art and will not be repeated here.

The technical solution of the railway rail profile milling equipment provided by the utility model includes any combination of the above-mentioned parts, and the simple changes or combinations of the components of the above-mentioned parts are still within the scope of protection of the utility model.

The railway rail profile milling equipment provided by the utility model adopts the layout of at least two frames such as the front frame and the rear frame, and arranges 1 to n sets of milling discs with a diameter of not less than 600mm and 0 on the front frame. Up to n sets of grinding discs with a diameter of not less than 800mm. The power system and control units are reasonably arranged on the upper part of the rear frame. The maximum diameter of the milling disc can reach 1400mm. When a large diameter milling disc of 1400mm is used, it will have a larger inertia during milling With more cutter grains, the vertical component force is smaller when cutting, the cutter head works more stably, the cutter grain life is longer, and the residual wave amplitude after milling is as small as 0.0045mm. Compared with the milling disc with a diameter of 600mm, the milling speed is increased to 1.8kM/h, and the working efficiency is higher. Moreover, because the flexible tool holder replacement method is used to replace the cutter grains, the operation efficiency is improved and the operation cost is reduced. Compared with the traditional rail shaping operation method, this vehicle is very suitable for construction sites with serious diseases and long tunnels, subways, light rails, etc. that require environmental protection, and has the following salient features:

(1) High operating efficiency: one pass, the milling depth of the rail surface can reach 0.3-1.5mm, and the milling depth of the gauge angle can reach a maximum of 5mm. It can completely eliminate longitudinal corrugation and various rail surface diseases.

(2) High working precision: the profile precision of the cross section of the rail can reach ±0.2mm, the longitudinal smoothness precision of the rail can reach ±0.02mm, and the smoothness of the rail surface can reach 3-6μm, delaying a new round of longitudinal wave grinding and rail surface emergence of disease.

(3) Good working effect: all longitudinal corrugations within the wavelength range of 400mm can be completely eliminated; there will be no defects such as micro-grooves, spots, stress concentration layers, overheating, and blushing on the rail surface.

(4) Less operation restrictions: the operation is not affected by factors such as electrical accessories of the track, crossings, bridge guard rails, etc.; it can be operated all year round.

(5) Short set-up time: less set-up time is required before and after operation, and the replacement of the knife group is quick and convenient, which improves the utilization rate of the closed skylight.

(6) Small environmental impact: Milling operation does not require water source, sparks will not splash during the operation, and there is no fire hazard; 99% iron filings and dust recovery rate, no on-site residue after operation.

The railway rail profile milling and grinding equipment described in the utility model can perform dynamic milling and grinding operations on the rails on the line during operation, perform grinding operations for general rail wear, and perform milling operations for deep rail damage , Eliminate defects such as side grinding, wave grinding, rolling layer, cracks, and peeling of the rail, thereby restoring the design shape of the working part of the rail head. The following goals can be achieved: increase the service life of the rail; improve the longitudinal smoothness and cross-sectional profile quality of the rail (reduce rail wear, improve the contact geometry of the wheel and rail, and reduce the relative wear of the wheel and rail); reduce the maintenance cost and reuse cost of the rail; reduce the operation Noise improves road network operational safety and operational efficiency.

The railway rail profile milling and grinding equipment described in the utility model adopts the layout mode of two cars, that is, A car + B car. A set of milling discs with a diameter of 1400mm is arranged on the A car, and a grinding equipment is arranged on the B car. Reasonable layout of each power system and control unit, the layout is reasonable, due to the use of 1400mm large-diameter milling disc, it has a larger inertia and more cutter grains during milling, the vertical component force is smaller when cutting, and the cutter head works more efficiently. Stable, longer tool grain life; and the residual amplitude after milling is as small as 0.0045mm; after milling, the rail section accuracy and longitudinal smoothness accuracy are better; compared with the 600mm diameter milling disc, the maximum operating speed is increased to 1.8kM/h , higher operating efficiency.

In addition, the structure of the working bogie can ensure the rigid suspension connection between the gearbox and the bogie frame under working conditions, eliminating the instantaneous impact generated when the work is driven; The elastic suspension connection is realized to prevent the excessive driving impact on the gearbox caused by high-speed operation, which will cause the suspension of the gearbox to be damaged or fall off, resulting in driving safety accidents.

Description of drawings

Fig. 1 is a schematic structural view of a milling device according to a preferred embodiment of the railway rail profile milling and grinding equipment of the present invention.

Fig. 2 is a structural schematic diagram of a milling device according to a preferred embodiment of the rail profile milling equipment of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the axle gear box suspension device in a preferred embodiment of the railway rail profile milling and grinding equipment according to the present invention.

Fig. 4 is a sectional view along the longitudinal direction of the rail of the embodiment shown in Fig. 3 .

Fig. 5 is a front view of another preferred embodiment of the railway rail profile milling equipment according to the present invention.

Fig. 6 is a front view of the front vehicle A of the embodiment shown in Fig. 5 .

Fig. 7 is a front view of the rear vehicle B of the embodiment shown in Fig. 5 .

The marks in Figure 1-Figure 7 represent respectively:

1. Iron chip air compressed air exhaust port 2. Iron chip collection screw conveying bin

3. The electrical room of the milling device 4. The iron chip collection air compressor room of the milling device

5. Air compressor for iron chip collection in milling device 6. Milling function room

7. Milling device 8. Hydraulic pump station room

9. Operating cab 10. Front operating bogie 10

11. Speed measuring device 12. A car frame

13. Rear operation bogie 14. Air source system

15. The left and right sides of the iron filings belt 16. The coupling traction device of car A and car B

17. Pneumatic air cylinder system 18. Electric room of grinding device

19. High-speed traveling pumping station room 20. Front high-speed traveling bogie

21. B car frame 22. Diesel tank

23. Brake device 24. Auxiliary engine

25. Grinding device 26. Grinding collection device and warehouse

27. Rear high-speed running bogie 28. High-speed running cab

29. Tool rest inspection machine maintenance room 30 Grinding disc replacement and maintenance room

31 Assembly of power transmission system and power room 32 Support base Ⅰ

33 Guide rail Ⅲ 34 Base plate

35 Drive motor Ⅱ 36 Milling disc

37 Drive motor Ⅰ 38 Guide rail Ⅱ

39 Guide rail base plate 40 Guide rail Ⅰ

41 Support base Ⅱ 42 Grinding disc

43 guide rail Ⅳ 2′ bogie frame

3′ rubber shock absorber 4′ torque arm

5′ Pull Plate 6′ Travel Switch Mounting Seat

7′ travel switch 8′ axle gearbox

11′ axles.

detailed description

In order to better understand the utility model, preferred embodiments of a railway rail profile milling device according to the utility model will be described in detail below in conjunction with the accompanying drawings.

Embodiment 1.1: A railway rail profile milling and grinding equipment, which includes two cars. The car in front of the working direction is defined as the front car, and the car behind the working direction is defined as the rear car. According to the basic operation sequence of the milling and grinding equipment , between the front operation bogie 10 and the rear operation bogie 13 at the lower part of the equipment frame 12 of the front vehicle A, a milling device 7, a milling function room 6, and an air compressor 5 for collecting scraps of the milling device are arranged from front to rear; On the upper part of the equipment rack of the front car A, the order from front to back is the operating cab 9, which has the function of high-speed operation, the milling device hydraulic pump station room 8, the milling device iron filings collection air compressor room 4, Milling device electrical room 3, iron filings collection screw conveyor 2, iron filings air compressed air outlet 1, iron filings left and right side discharge belts 15; the rear end of the frame 12 of the front car A is equipped with a wind source system 14 and Coupling traction device 16, the coupling traction device 16 connects the front car A and the rear car B together, between the front high-speed running bogie 20 and the rear high-speed running bogie 27 at the bottom of the equipment frame 21 of the rear car B, the front Diesel tank 22, braking device 23, auxiliary engine 24 and grinding device 25 are arranged in sequence backward; on the upper part of the equipment rack 21 of the rear car B, along the working direction, the sequence from front to back is the grinding device electrical room 18, high-speed running Pumping station room 19, assembly power transmission system and power room 31, grinding disc replacement and maintenance room 30, grinding powder collection device and warehouse room 26, tool holder inspection machine maintenance room 29, high-speed operation cab 28; equipment in the rear car B The pneumatic air cylinder system 17 is arranged at the front end of the frame 21 along the working direction, and the diameter of the milling disc of the milling device 7 is 1400mm.

In this embodiment, the front operation bogie 10 and the rear operation bogie 13 of the front vehicle A are both two-axle bogies, and the high-speed travel gear box is equipped on the bogie to realize the high-speed travel of the whole vehicle, and the front high-speed operation of the rear vehicle B The traveling bogie 20 and the rear high-speed traveling bogie 27 are both two-axle bogies and are equipped with a working running gear box to realize the running of the whole vehicle.

In this embodiment, a milling device and a collecting device are arranged on the front car A, and a milling device and a collecting device are arranged on the rear car B.

In this embodiment, a set of hydraulic pump station unit is installed on the front vehicle A to realize the operation driven travel, and a set of hydraulic pump station unit is installed on the rear vehicle B to realize high-speed drive travel.

In this embodiment, a set of driver's cab and operating unit are installed on the front vehicle A to realize operation control and high-speed control requirements, and a set of driver's cab and operating unit are installed on the rear vehicle B to realize high-speed control operation requirements.

In this embodiment, the front car A is equipped with a milling device control system, operation travel control system and warehouse, and the rear car B is equipped with a milling device control system, high-speed travel control system and warehouse.

As shown in Figure 5, the rail dynamic milling operation is realized through the combination of the milling device 7 and the grinding device 25. When operating from right to left as shown in Figure 5, the front position of the driver's cab 9 is the operation control position and the operation control position. Realize the control and monitoring of the working device and the operation of the whole machine during the working condition; the driver's cab 28 is the rear-end operation control position, and realize the control and monitoring of the operation of the whole machine under the high-speed working condition; when milling the rail surface At this time, each control oil cylinder of the front operation bogie 10 and the rear operation bogie 13 is in the operation position to ensure the rigidity between the running frame and the vehicle frame during operation, and the speed measuring device 11 on the front operation bogie 10 is in the operation position, real-time monitoring The running speed is fed back to the milling and grinding control unit; the milling device is positioned on the rail through the positioning device, and the milling operation on the profile of the rail is dynamically realized. It is collected into the scrap bin by the "Venturi" principle. After the work is completed, the scrap can be removed from the scrap bin through the left and right side discharge belts 15.

When grinding the rail surface, the control oil cylinders of the front high-speed bogie 20 and the rear high-speed bogie 27 are in the working position to ensure the rigidity between the running frame and the vehicle frame during the operation, and the high-speed gearbox is in the neutral position. The grinding device is dynamically pressed on the rail through the positioning device to dynamically grind the profile of the milled rail. The grinding device is collected into the grinding box through the collection system. After the operation is completed, the grinding powder can be removed from the grinding box 26.

Embodiment 1.2 : a railway rail profile milling and grinding equipment, the same as embodiment 1.1, the difference is that the diameter of the milling disk is 1000mm.

Embodiment 1.3 : a railway rail profile milling and grinding equipment, the same as embodiment 1.1, the difference is that the diameter of the milling disk is 1200mm.

Embodiment 1.4 : a railway rail profile milling equipment, the same as embodiment 1.1, except that the diameter of the milling disc is 800 mm.

Embodiment 1.5 : a railway rail profile milling equipment, the same as embodiment 1.1, the difference is that the diameter of the milling disk is 700mm.

Embodiment 1.6 : A railway rail profile milling and grinding device, the same as Embodiment 1.1, except that the diameter of the milling disk is 1100mm.

Embodiment 1.7 : a railway rail profile milling equipment, the same as embodiment 1.1, the difference is that the diameter of the milling disk is 1300mm.

Embodiment 1.8 : A railway rail profile milling equipment, the same as Embodiment 1.1, the difference is that the diameter of the milling disk is 600mm.

Embodiment 2.1 : A kind of railway rail profile milling equipment, with embodiment 1.1, difference is: in this embodiment, as shown in Figure 1-2, milling device 7 comprises support base II 41, and this support base II 41 is solid Installed on the equipment rack 12 of the front car A, the left side of the supporting base II 41 is equipped with a guide rail I 40, the left side of the guide rail 40 is equipped with a guide rail substrate 39, the left side of the guide rail substrate 39 is equipped with a guide rail II 38, and the left side of the guide rail II 38 The side is connected to the main body of the milling device, and the main body of the milling device is equipped with a milling disc 36. The milling disc 36 is connected to the drive motor I37 and is driven by the drive motor I37. The diameter of the milling disc 36 is 1400mm, and the largest diameter is adopted to achieve the best performance. Excellent milling precision and effect.

In this embodiment, the equipment rack 12 of the front vehicle A and the equipment rack 21 of the rear vehicle B are connected by a coupling traction device.

In this embodiment, one guide rail I40 is arranged symmetrically at the upper and lower ends of the support base II41.

In this embodiment, the guide rail I40 moves along the Y direction, and the guide rail II38 moves along the Z direction, so as to realize the displacement in the Y direction and the Z direction when the milling device reshape the profile of the rail.

In this embodiment, the grinding device 17 includes a supporting base I32, which is installed under the equipment frame 12 of the front vehicle A, and the right side of the supporting base I32 is connected to the base plate 34 through two guide rails III33 arranged at the upper and lower ends, and the right side of the base plate 34 is The guide rail IV 43 is installed on the side, the guide rail IV 43 moves along the Z direction, the guide rail III 33 moves along the Y direction, and the right side of the base plate 34 is also connected to the main body of the grinding device. connected, the driving motor II35 provides the working driving force for the grinding disc 42, so as to realize the dynamic grinding of the rail.

Embodiment 3.1 : a kind of railway rail profile milling equipment, with embodiment 1.2, the difference is: in this embodiment as shown in Figure 3-4, two wheel pairs of the front high-speed traveling bogie 20 are all connected axles Gearbox 8' and motor.

In this embodiment, the axle gearbox 8' is connected to the bogie frame 2' by a suspension device, the suspension device includes a torsion arm 4', and the torsion arm 4' is connected to the axle gearbox 8', and the axle gearbox 8' is installed On the wheel set axle 11', the end of the torsion arm 4' is connected to the bogie frame 2', and the bottom part of the torsion arm 4' is connected to the bogie frame 2' through a telescopic device.

In this embodiment, the end of the torsion arm 4' is connected to the bogie frame 2' through a pull plate 5'.

In this embodiment, preferably, a shock absorber is installed between the pull plate 5' and the main beam of the bogie frame 2'.

In this embodiment, preferably, the bottom end of the middle part of the main beam of the bogie frame 2' includes a protruding support, and the support is connected to the position below the end of the torsion arm 4'.

In this embodiment, preferably, the lower part of the torsion arm 4' is connected to the support at the bottom end of the main beam of the bogie frame 2' through a telescoping device.

In this embodiment, the telescopic device includes a telescopic mechanism, the fixed end of the telescopic mechanism is connected to the support at the bottom end of the main beam of the bogie frame 2', the telescopic end of the telescopic mechanism is connected to the hinge point of the torque arm 4', And there is a travel switch mount 6' between the torque arm 4', a travel switch 7' is installed on the travel switch mount 6', the function of the travel switch 7' is to control the stroke of the telescopic mechanism and to limit and protect it. .

In this embodiment, two suspension points are included between the axle gearbox 8' and the torsion arm 4', one suspension point includes a pull plate 5' and a shock absorber, and the suspension point constitutes the axle gear through the function of the shock absorber. The elastic connection suspension point between the box 8' and the bogie frame 2', and the rest of the suspension points include the telescopic mechanism and the travel switch 7'. ' Rigidly connected suspension points.

In this embodiment, two hinge points are included between the axle gearbox 8' and the torsion arm 4', and these two hinge points are located on both sides of the longitudinal section of the inner gear center of the axle gearbox 8'. The gear center forms a triangle, and the axle gearbox 8' and the torque arm 4' move around the hinge point of the torque arm 4' and the bogie frame 2'. The triangle structure makes the axle gearbox 8' and the torque arm 4' The structure between the axle gear box 8' and the torque arm 4' moves around the hinge point of the torque arm 4' and the bogie frame 2', there will be no relative movement between the axle gear box 8' and the torque arm 4'. movement, thereby ensuring the transmission efficiency of the axle gearbox 8'.

The working mode of the railway rail profile milling and grinding equipment provided by the above-mentioned embodiments is: during operation, it runs in the direction in front of the front frame, and when the high-speed drive mechanism (or hydraulic or hydraulic or electric transmission) of the rear car B is turned on, it runs at a high speed position, drive the gear mechanism in the axle gearbox 8' to change the power direction by 90 degrees, and transmit it to the axle 11' through the gear mechanism, and the axle 11' drives the wheels to rotate, thereby driving the vehicle forward, and the working vehicle goes to the working place at a high speed During the traveling process, the pull plate 5' at the end of the torque arm 4' of the bogie axle gearbox 8' of the rear vehicle B is connected to the bogie frame 2' through the rubber shock absorber 3' to realize elastic connection and meet the requirements of the rear vehicle B. The high-speed running performance requirements of B; the pull plate 5' at the end of the torsion arm 4' of the bogie axle gearbox 8' of the front car A is connected with the bogie frame 2' through the rubber shock absorber 3' (the travel switch 7' is closed , the telescopic mechanism is in a floating state, and the telescopic mechanism can expand and contract with the movement of the torsion arm 4'. The axle gearbox 8' rotates along the hinge point between the pull plate 5' and the bogie frame 2'. During the traveling process, the axle gearbox 8' and The elastic suspension between the axle gear box 8' and the frame is realized through the position change of the rubber shock absorber 3' between the bogie components, which meets the suspension requirements of high-speed running conditions and avoids excessive driving impact on the gear box caused by high-speed running The gear box suspension is damaged or falls off), that is, the bogie of the front car A is in the elastic connection position and the gear box is in the neutral lock position.

After arriving at the road section to be operated, switch the bogie of the rear vehicle B from the high-speed position to the working position during operation, that is, the high-speed drive structure is in the neutral position and no power is output, and switch the bogie of the front vehicle A from the high-speed working condition to the working position. Working conditions, that is, to ensure that the bogie frame 2' is rigidly connected to the vehicle frame, the frame and the axle 11', the axle gearbox 8' and the torsion arm seat (lock the telescopic mechanism of the telescopic device on the axle gearbox 8' of the bogie) , the torque arm 4' and the bogie member are in a rigid connection state, the axle gearbox 8' rotates along the hinge point between the torque arm 4' and the telescopic mechanism, and the axle gearbox 8' and the bogie frame 2' There will be no relative movement, and the instantaneous impact generated when the operation is driven is eliminated, so as to ensure the rigidity of the operation).

The front operation bogie 10 and the rear operation bogie 13 of the equipment frame 12 of the front vehicle A are in the working position to ensure the rigidity between the running frame and the vehicle frame during operation, and the bogie 20 of the equipment frame 21 of the rear vehicle B is in the working position. and each high-speed gear box of the bogie 27 is in the neutral position, and the speed measuring device on the front operation bogie 10 of the equipment frame 12 of the front car A is in the working position, and the real-time monitoring walking speed is fed back to the milling and grinding control unit; the milling device 7 The positioning device is positioned on the rail, and the milling operation of the profile of the rail is dynamically realized. At the same time, the iron filings collecting air compressor 5 of the milling device under the equipment frame 12 of the front car A is in the operating position, and the iron filings generated by the milling operation are passed through " Venturi" principle is used to collect the scraps in the chip bin 2. After the operation is completed, the scraps will be removed from the scrap bin through the left or right side of the scraps collection screw conveying bin 2; When grinding the rail surface, the grinding device 17 is dynamically pressed on the rail through the positioning device to realize dynamic grinding of the profile of the milled rail. , when the operation is completed, the milling powder is removed from the milling box, so as to realize the dynamic milling and grinding operation of the rail.

When the operation is completed and high-speed travel is required, the bogies 10 and 13 of the front car A are changed from rigid connections to elastic connections, the operation gear box and the motor are in the neutral position, and each device is in the high-speed running position. The bogies 20, 13 of the rear frame 27 is in the high-speed running position, the high-speed running gear box and the motor are in the high-speed running position, and the whole machine is driven at high speed through the power unit at the same time or independently. When the dual power output is used, the self-propelled speed reaches 100km/h. When the single power output is used, it can start With the rescue guarantee function, the operating vehicle is evacuated from the railway at a speed of no higher than 50kM/h to "block the skylight" to ensure safe and reliable operation.

More operations are known to those of ordinary skill in the art, and will not be repeated here.

The technical solution of the railway rail profile milling equipment provided by the above embodiments includes any combination of the above-mentioned parts, and the simple changes or combinations of the above-mentioned parts and components are still within the scope of protection of the present utility model.

The railway rail profile milling equipment provided by the above-mentioned embodiments adopts the layout of at least two frames such as the front frame and the rear frame. A set of 1400mm diameter milling discs is arranged on the front frame, and a set of 1400mm diameter milling discs is arranged on the rear frame. Grinding equipment, reasonable layout of each power system and control unit, due to the use of 1400mm large-diameter milling disc, it has a larger inertia and more cutter grains during milling, the vertical component force is smaller when cutting, and the cutter head works more efficiently. Stable, longer tool grain life; and the residual amplitude after milling is as small as 0.0045mm; after milling, the rail section accuracy and longitudinal smoothness accuracy are better; compared with the 600mm diameter milling disc, the maximum operating speed is increased to 1.8kM/h , higher operating efficiency.

In addition, the structure of the bogie can ensure that the rigid suspension connection between the gearbox and the bogie frame 2′ is realized under the operating conditions, eliminating the instantaneous impact generated when the operation is driven; at the same time, the gearbox and the bogie frame 2′ ’ to achieve elastic suspension connection to prevent excessive driving impact on the gearbox caused by high-speed operation, resulting in damage or drop-off of the gearbox suspension, resulting in driving safety accidents.

The milling device and scrap collection system are installed on car A, and the milling device-level collection system is installed on car B. Under working conditions, the diesel engine drives the main generator to provide AC power for the working unit, working hydraulic travel, air conditioner, vacuum absorption device, auxiliary control and other units; under high-speed working conditions, through the engine, transfer case, pump, motor, high-speed The traveling gearbox realizes high-speed hydraulic traction, and at the same time, the main generator provides AC power for the air conditioner and auxiliary control unit; A car and B car are rigidly connected through a coupling traction device to prevent damage to the operating device due to operation impact; A car is equipped with a large speed ratio, The low-tooth-backlash running gearbox realizes working running, and the B-arrangement high-speed running gearbox realizes high-speed running. The transmission mechanism is reasonably configured to achieve the best power output.

Claims (16)

1. a railway track profile milling-grinding equipment, it comprises at least two joint cars, car according to operating direction front is defined as front truck, rear car is defined as according to the rearward car of operator, according to the elemental operation order of milling-grinding equipment, before equipment frame (12) bottom of described front truck (A) between operation bogie (10) and rear operation bogie (13), by arranging (6) between milling apparatus (7), milling function, milling apparatus scrap collection air compressor machine (5) after forward direction; On the equipment frame top of front truck (A), be working driver chamber (9) by the order after forward direction, this working driver chamber (9) is held concurrently (4), milling apparatus electric equipment compartment (3) between (8) between high-speed cruising function, milling apparatus hydraulic power unit, milling apparatus scrap collection air compressor machine, scrap collection helical conveyor (2), iron filings compressed air exhaust opening (1), iron filings left and right sides row's band (15); Vehicle frame 12 at front truck (A)) rearward end be equipped with air supply system (14) and coupling draw-gear (16), it is characterized in that: coupling draw-gear (16) by front truck (A) and rear car (B) together with hanging over, before equipment frame (21) bottom of rear car (B) between high speed traveling bogie (20) and rear high speed traveling bogie (27), by arranging diesel fuel tanks (22), check mechanism (23), assisted engine (24), mill apparatus (25) after forward direction successively; On equipment frame (21) top of rear car (B), along operating direction, by the order after forward direction be (19), powerhouse (31) between mill apparatus electric equipment compartment (18), high speed traveling pumping plant, mill changes and (30) between safeguarding, (26) between abrasive dust gathering-device and storehouse, knife rest detect machine safeguard between (29), high-speed cruising drivers' cab (28); Arrange pneumatic reservoir system (17) on equipment frame (21) top of rear car (B) along operating direction front end, the diameter of the milling dish of milling apparatus (7) is not less than 600mm.

2. railway track profile milling-grinding equipment as claimed in claim 1, is characterized in that: the diameter range of milling dish is 600-1400mm.

3. railway track profile milling-grinding equipment as claimed in claim 2, it is characterized in that: front truck (A) front operation bogie (10) and rear operation bogie (13) be two-axle bogie, this bogie is equipped with high speed walking gear case, front high speed traveling bogie (20) and the rear high speed traveling bogie (27) of rear car (B) are two-axle bogie and are equipped with operation walking gear case.

4. railway track profile milling-grinding equipment as claimed in claim 3, is characterized in that: front truck (A) is upper arranges a set of milling apparatus and gathering-device, and rear car (B) is upper arranges a set of mill apparatus and gathering-device.

5. railway track profile milling-grinding equipment as claimed in claim 4, it is characterized in that: front truck (A) is equipped with One hydraulic pump station unit, realize operation and drive traveling, rear car (B) is equipped with One hydraulic pump station unit, realizes high-speed driving traveling.

6. railway track profile milling-grinding equipment as claimed in claim 5, it is characterized in that: front truck (A) is equipped with a set of drivers' cab and operating unit, realize Operation control and High-speed Control requirement, rear car (B) is equipped with a set of drivers' cab and operating unit, realizes High-speed Control service requirement.

7. railway track profile milling-grinding equipment as claimed in claim 6, it is characterized in that: front truck (A) is equipped with between a set of milling apparatus control system, operation traveling control system and storehouse, rear car (B) is equipped with between a set of mill apparatus control system, high speed traveling control system and storehouse.

8. railway track profile milling-grinding equipment as claimed in claim 7, it is characterized in that: milling apparatus (7) comprises support substrate II (41), this support substrate II (41) is installed in the equipment frame (12) of described front truck (A), guide rail I (40) is equipped with in this support substrate II (41) left side, guide rail substrate (39) is equipped with in this guide rail (40) left side, guide rail II (38) is equipped with in this guide rail substrate (39) left side, this guide rail II (38) left side connects milling apparatus main body, this milling apparatus main body is equipped with milling dish (36), this milling dish (36) is connected with drive motors I (37) and drives operation by this drive motors I (37), the diameter of described milling dish (36) is 1400mm.

9. railway track profile milling-grinding equipment as claimed in claim 8, is characterized in that: guide rail I (40) is respectively arranged symmetrically with one at support substrate II (41) upper and lower side.

10. railway track profile milling-grinding equipment as claimed in claim 9, is characterized in that: guide rail I (40) is along Y-direction movement, and guide rail II (38) moves along Z-direction, thus Y-direction, Z-direction displacement when realizing milling apparatus shaping profile of steel rail.

11. railway track profile milling-grinding equipments as claimed in claim 10, it is characterized in that: mill apparatus (17) comprises support substrate I (32), equipment frame (12) below of this support substrate I (32) device front truck (A), support substrate I (32) right side is by being arranged on two guide rails III (33) connection substrate (34) at upper and lower two ends, this substrate 34) right side guide rail IV (43) is housed, this guide rail IV (43) moves along Z-direction, described guide rail III (33) moves along Y-direction, described substrate (34) right side also connects mill apparatus main body, this mill apparatus main body comprises mill (42), this mill (42) is connected with drive motors II (35), this drive motors II (35) provides operation driving force for described mill (42), thus the dynamic polishing realized rail.

12. railway track profile milling-grinding equipments as claimed in claim 11, it is characterized in that: two wheels of front high speed traveling bogie (20) are to all connecting axle gear box (8 ') and motor, axle gear box (8 ') is connected to bogie frame (2 ') by suspension arrangement, described suspension arrangement comprises toggle (4 '), this toggle (4 ') connects axle gear box (8 '), this axle gear box (8 ') is contained in wheel on axletree (11 '), the end of toggle (4 ') is connected with bogie frame (2 '), bogie frame (2 ') is connected to by stretching device below toggle (4 ') end.

13. railway track profile milling-grinding equipments as claimed in claim 12, it is characterized in that: the end of toggle (4 ') is connected by arm-tie (5 ') with between bogie frame (2 '), between described arm-tie (5 ') and the main beam of bogie frame (2 '), shock absorber is housed, in the middle part of the main beam of bogie frame (2 '), bottom comprises a bearing protruded, this bearing connects the position below toggle (4 ') end, be connected by the bearing of stretching device with the main beam bottom of bogie frame (2 ') below toggle (4 ') end.

14. railway track profile milling-grinding equipments as claimed in claim 13, it is characterized in that: described stretching device comprises telescoping mechanism, the fixed end of this telescoping mechanism is connected to the bearing of the main beam bottom of bogie frame (2 '), the telescopic end of this telescoping mechanism is connected to toggle (4 ') pin joint place, and and between toggle (4 '), travel switch mount pad (6 ') is housed, travel switch (7 ') the trip switch installation seat (6 ') is equipped with.

15. railway track profile milling-grinding equipments as claimed in claim 14, it is characterized in that: between axle gear box (8 ') and toggle (4 '), comprise two hitch points, a hitch point comprises arm-tie (5 '), shock absorber, the elasticity that this hitch point is consisted of between axle gear box (8 ') and bogie frame (2 ') the effect of shock absorber connects hitch point, all the other hitch points comprise telescoping mechanism and travel switch (7 '), effect formation axle gear box (8 ') of this hitch point by travel switch (7 ') and the hitch point that is rigidly connected of bogie frame (2 ').

16. railway track profile milling-grinding equipments as claimed in claim 15, it is characterized in that: between axle gear box (8 ') and toggle (4 '), comprise two pin joints, these two pin joints are positioned at the both sides of axle gear box (8 ') internal gear central lateral plane, two pin joints and gear centre form triangle, described axle gear box (8 ') is moved around the pin joint of toggle (4 ') with bogie frame (2 ') with toggle (4 '), described triangular structure makes Stability Analysis of Structures between described axle gear box (8 ') and toggle (4 '), described axle gear box (8 ') and toggle (4 ') are when toggle (4 ') moves with the pin joint of bogie frame (2 '), relative motion can not be produced between axle gear box (8 ') and toggle (4 '), thus ensure the transmission efficiency of axle gear box (8 ').