CN111235984A - A modular rail grinding car - Google Patents

Abstract

According to the modularized steel rail grinding wagon provided by the invention, free assembly of the grinding unit module and the driving module can be realized to finish a multi-head grinding train, the grinding efficiency is improved, the cost of the grinding wagon is reduced, and meanwhile, flexible coping measures are adopted for different working conditions. The sanding unit module adopts a sanding belt as a sanding tool, takes the motor as a power source, adopts the rechargeable lithium battery to supply power to the motor, the motor drives the sanding belt wheel train to sand during the operation of the sander, the stepping motor controls the sanding belt wheel train to longitudinally feed, and the transverse position and the sanding angle of the sanding belt wheel train are adjusted by the transverse moving hand wheel and the swinging hand wheel. When the steel rail grinding machine is used for grinding, the contact wheel rubber layer and the abrasive belt are in flexible contact with the steel rail due to the characteristics of the contact wheel rubber layer and the abrasive belt, so that the influence of the vibration of the grinding machine on the surface layer of the steel rail is reduced, and the grinding quality is improved. The rail modularized abrasive belt grinding wagon is pushed by the driving module to move along the rail, so that automatic control can be realized, the labor consumption is reduced, and the consistency of grinding quality is enhanced.

Description

A modular rail grinding car

technical field

The invention relates to the technical field of railway maintenance machinery and equipment, in particular to a modular steel rail grinding car.

Background technique

In the railway transportation system, the rail is an important basic component to ensure the normal operation of the railway. During the service process of rails, various surface damages will occur, such as rail wavy wear, rail surface abrasion, rail surface peeling, severe rail side wear, cracks and rail head crushing, etc., and the development speed is relatively fast. Rail grinding can effectively remove rail corrugation, repair rail profile, inhibit the expansion of rail surface cracks, remove rust spots in time, and delay the cumulative speed of wheel-rail fatigue, thereby greatly improving the wheel-rail relationship and improving the stability and safety of train operation. , reduce railway operating costs.

At present, the grinding equipment used by the public works department is mainly small grinding machines and large grinding trains. However, small grinding machines require manual operation, which is labor-intensive, small grinding area and low grinding efficiency; while large grinding trains are expensive and difficult to transport, and use internal combustion engines. , it will cause a certain amount of environmental pollution during the use process, and there is no flexible, efficient, and low-cost effective grinding plan.

SUMMARY OF THE INVENTION

The embodiment of the present invention provides a modular rail grinding vehicle, so as to realize efficient and flexible grinding of the rail.

In order to achieve the above objects, the present invention adopts the following technical solutions.

A modular steel rail grinding car is characterized in that it comprises a grinding unit and a driving unit;

The grinding unit has a modular frame with a rectangular body frame structure, as well as walking wheels, slide rails and electrical boxes. The walking wheels are located at the bottom of the module frame, and the module frame moves on the outer rail through the walking wheels; the enclosed area of the module frame is connected to the rails of the outer rail. The distance corresponds to the distance; the slide rail and the electrical box are located in the enclosed area of the module frame, and the slide rail is arranged horizontally and perpendicular to the external rail;

The grinding unit also includes a horizontal traverse mechanism, an angle deflection mechanism, a longitudinal displacement mechanism and a grinding mechanism; the grinding mechanism is used for grinding the outer track; the horizontal traverse mechanism is located in the enclosed area of the module frame, and the horizontal traverse mechanism has a first base. The first base is matched with the slide rail and can move horizontally along the surface of the slide rail; the longitudinal displacement mechanism is connected with the grinding mechanism; the angle deflection mechanism includes: a second base connected with the first base; A guide rail support connected with the displacement mechanism; a rotating shaft movably connected with the second base, one side of the rotating shaft is connected with the guide rail support, and the guide rail support is rotated by rotating the rotating shaft;

The driving unit is drivingly connected with the module frame for driving the grinding unit to move on the outer rail.

Preferably, the grinding mechanism is an abrasive belt wheel grinding mechanism, including:

the first motor and the square tube of the abrasive belt frame respectively connected with the longitudinal displacement mechanism;

A driving wheel and a contact wheel are respectively installed on both sides of the square tube of the abrasive belt frame, and the driving wheel is drivingly connected with the first motor;

A tensioning mechanism movably connected with the square tube of the abrasive belt rack, the tensioning mechanism has a tensioning wheel, and the tensioning wheel approaches or is far away from the square pipe of the abrasive belt rack through the tensioning mechanism;

Abrasive belt sleeved with drive pulley, tension pulley and contact pulley.

Preferably, the tensioning mechanism also has a tensioning link and a tensioning handle, one side of the tensioning link is movably connected with the square tube of the abrasive belt rack, and the other side is connected with the tensioning wheel, and the tensioning wheel can pass the tensioning The connecting rod is close to or away from the square tube of the belt holder; the tensioning handle is driven and connected to the tensioning rod through the square pipe of the belt holder.

Preferably, the longitudinal displacement mechanism includes:

Rails located on the side of the rail support;

a motor lifting bracket matched with the sliding rail, the first motor is located on the motor lifting bracket, and the square tube of the abrasive belt rack is connected with the motor lifting bracket;

a second motor fixedly connected to the support end of the guide rail;

The lifting screw is drivingly connected with the second motor, and the second motor is drivingly connected with the motor lifting bracket through the lifting screw, and the motor lifting bracket is driven to move along the surface of the slide rail, so that the abrasive belt is close to or away from the rail of the outer rail.

Preferably, the grinding mechanism is a grinding wheel grinding mechanism, comprising a second motor connected with the longitudinal displacement mechanism, and a grinding wheel is mounted on the end of the output shaft of the second motor.

Preferably, the longitudinal displacement mechanism includes:

Rails located on the side of the rail support;

a motor lifting bracket matched with the sliding rail, the second motor is connected with the motor lifting bracket and is arranged through the motor lifting bracket;

a second motor fixedly connected to the support end of the guide rail;

The lifting screw is drivingly connected with the second motor, the second motor is drivingly connected with the motor lifting bracket through the lifting screw, and the motor lifting bracket is driven to move along the surface of the slide rail, so that the grinding wheel is close to or away from the rail of the outer rail.

Preferably, the angle deflection mechanism further includes:

a mandrel connected with the first base, on which one end of the guide rail is supported;

a straight rack fixing plate fixedly connected with the guide rail support, the straight rack fixing plate has a straight rack;

One end of the rotating shaft has a spur gear meshing with the spur gear rack, and the other end has a swing handwheel;

Through the rotation of the shaft, the drive rail support swings with the mandrel as the axis.

Preferably, the drive unit includes:

The drive frame connected with the module frame;

a driving electric box and a third motor located on the driving frame, the driving electric box and the third motor are electrically connected to each other;

A driving wheel set connected with the driving frame, the driving wheel set is also drivingly connected with the third motor.

Preferably, the grinding unit includes a plurality of interconnected module frames; the outer side of each module frame has a first snap structure for interconnecting the module frames, and the inner side of each module frame has a second snap structure, It is used for the interconnection and limit of the module frame and the first base.

Preferably, the module frame further has a first lead screw seat; the horizontal traverse mechanism further includes: a second lead screw seat located on the first base, the second lead screw seat and the first lead screw seat corresponding to each other in position; The traverse lead screw matched with the first lead screw seat and the second lead screw seat respectively makes the first base move horizontally along the surface of the slide rail by rotating the traverse lead screw.

It can be seen from the technical solutions provided by the above embodiments of the present invention that the modularized rail grinding car provided by the embodiment of the present invention can realize the free assembly of the grinding unit module and the driving module to complete the multi-head grinding train and improve the grinding efficiency. Reduce the cost of grinding cars, and at the same time take flexible measures to deal with different working conditions. The grinding unit module uses the abrasive belt as the grinding tool, the motor as the power source, and uses the rechargeable lithium battery to supply power to the motor. When the grinding machine is operating, the motor drives the abrasive belt train for grinding, and the stepper motor controls the abrasive belt train for longitudinal Feed, adjust the lateral position and grinding angle of the abrasive belt train by traversing the handwheel and swinging the handwheel. During the grinding operation, the rubber layer of the contact wheel and the characteristics of the abrasive belt make the abrasive belt and the rail in flexible contact, which reduces the impact of the grinding machine vibration on the surface of the rail and improves the grinding quality. The drive module drives the rail modular abrasive belt grinding car to move along the rail, which can realize automatic control, reduce labor consumption, and enhance the consistency of grinding quality.

Additional aspects and advantages of the present invention will be set forth in part in the following description, which will be apparent from the following description, or may be learned by practice of the present invention.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the three-dimensional schematic diagram of a kind of modularized rail grinding car provided by the present invention;

FIG. 2 is a schematic perspective view of another embodiment of a modular rail grinding car provided by the present invention;

3 is a schematic structural diagram of a grinding unit of a modular rail grinding car provided by the present invention;

4 is a schematic structural diagram of another embodiment of a grinding unit of a modular rail grinding car provided by the present invention;

5 is a schematic structural diagram of a grinding unit of a modular rail grinding car provided by the present invention;

6 is a schematic structural diagram of a horizontal traverse mechanism of a modular rail grinding car provided by the present invention;

7 is a schematic structural diagram of another embodiment of the horizontal traverse mechanism of a modular rail grinding car provided by the present invention;

8 is a schematic structural diagram of an angle deflection mechanism of a modular rail grinding car provided by the present invention;

9 is a schematic structural diagram of another embodiment of the angle deflection mechanism of a modular rail grinding car provided by the present invention;

10 is a schematic structural diagram of a longitudinal displacement mechanism of a modular rail grinding car provided by the present invention;

11 is a schematic structural diagram of a grinding mechanism of a modular rail grinding car provided by the present invention;

12 is a schematic structural diagram of another embodiment of the longitudinal displacement mechanism of a modular rail grinding car provided by the present invention;

13 is a schematic structural diagram of another embodiment of the grinding mechanism of a modular rail grinding car provided by the present invention;

14 is a schematic structural diagram of a drive unit of a modular rail grinding vehicle provided by the present invention;

Fig. 15 is a schematic diagram showing the interconnection of grinding units of a modular rail grinding car provided by the present invention;

FIG. 16 is a schematic schematic diagram of an embodiment of a modular rail grinding car provided by the present invention in which grinding units are connected to each other.

In the picture:

1. First motor 2. Second motor 3. Module frame 4. Walking wheel 5. Slide rail 6. Screw seat 7. Electrical box 8. First base 9. Mandrel 10. Traverse handwheel 11. Traverse Lead screw 12. Guide rail support 13. Swing hand wheel 14. Brake inclined iron group 15. Spur rack 16. Spur rack fixing plate 17. Coupling 18. Lifting screw 19. Motor lifting bracket 20. Slider 21 . Guide rail 22. Abrasive belt 23. Abrasive belt frame square tube 24. Contact wheel 25. Driving wheel 26. Tensioning wheel 27. Tensioning connecting rod 28. Tensioning handle 29. Grinding wheel 30. Transmission seat 31. Driving frame 32. Drive electric box 33. Third motor 34. Drive wheel set 35. Second base 36. Bayonet 37. Lock tooth 38. Positioning pin structure 39. Positioning seat 40. Positioning spring 41. Positioning pin.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but not to be construed as a limitation of the present invention.

It will be understood by those skilled in the art that the singular forms "a", "an", "the" and "the" as used herein can include the plural forms as well, unless expressly stated otherwise. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of stated features, integers, steps, operations, elements and/or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components and/or groups thereof. It will be understood that when we refer to an element as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Furthermore, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art and, unless defined as herein, are not to be taken in an idealized or overly formal sense. explain.

In order to facilitate the understanding of the embodiments of the present invention, the following will take several specific embodiments as examples for further explanation and description in conjunction with the accompanying drawings, and each embodiment does not constitute a limitation to the embodiments of the present invention.

1 and 2, the present invention provides a modular rail grinding car, including a grinding unit and a driving unit;

The grinding unit has a module frame 3 with a rectangular body frame structure, as well as running wheels 4, slide rails 5 and an electrical box 7. As shown in the figure, the running wheels 4 are installed at the bottom of the module frame 3, and the module frame 3 is outside through the running wheels 4. Move on the rail; the enclosed area of the module frame 3 corresponds to the gauge of the outer rail; the sliding rail 5 and the electrical box 7 are located in the enclosed area of the module frame 3, and the sliding rail 5 is arranged horizontally and perpendicular to the outer rail;

As shown in Figures 5 to 8, the grinding unit also includes a horizontal traverse mechanism, an angular deflection mechanism, a longitudinal displacement mechanism and a grinding mechanism; the grinding mechanism is used for grinding the outer track; the horizontal traverse mechanism is located in the enclosed area of the module frame 3, The horizontal traverse mechanism has a first base 8, which cooperates with the slide rail 5 and can move horizontally along the surface of the slide rail 5, so that the grinding mechanism is close to or away from the steel rail of the outer rail; the longitudinal displacement mechanism and the grinding The mechanism is connected to control the vertical lifting of the grinding structure;

The angle deflection mechanism includes: a second base 35 connected with the first base 8; a guide rail 21 support 12 connected with the longitudinal displacement mechanism; The support 12 is connected, and the guide rail 21 can be driven to swing the support 12 by rotating the rotating shaft, adjust the angle between the grinding mechanism and the track, and adjust the grinding force for the track;

The driving unit is drivingly connected with the module frame 3 for driving the grinding unit to move on the outer rail.

The rail grinding car provided by the invention can realize the free assembly of the grinding unit module and the driving module to complete the multi-head grinding train, improve the grinding efficiency, reduce the cost of the grinding car, and adopt flexible measures for different working conditions.

In the preferred embodiment provided by the present invention, the grinding mechanism can be selected according to the actual situation, and two embodiments are listed below for description.

Example 1:

As shown in Figures 3 and 10,

The grinding mechanism is a belt wheel grinding mechanism, including:

The first motor 1 and the square tube 23 of the abrasive belt frame respectively connected with the longitudinal displacement mechanism;

A driving wheel 25 and a contact wheel 24 are respectively installed on both sides of the square tube 23 of the abrasive belt frame, and the driving wheel 25 is drivingly connected with the first motor 1;

A tensioning mechanism movably connected with the square tube 23 of the abrasive belt rack, the tensioning mechanism has a tensioning wheel 26;

The abrasive belt 22 sleeved with the drive wheel 25, the tension wheel 26 and the contact wheel 24;

The tensioning wheel 26 can be close to or away from the square tube 23 of the abrasive belt rack through the tensioning mechanism to adjust the tension of the abrasive belt 22;

The abrasive belt 22 is easy to replace, and the contact area between the abrasive belt 22 and the rail is larger;

Further, the tensioning mechanism also has a tensioning link 27 and a tensioning handle 28, and one side of the tensioning link 27 is movably connected with the square tube 23 of the abrasive belt holder, so that the tensioning link 27 is connected to the square tube 23 of the abrasive belt holder. The other side is connected to the tensioning wheel 26. The tensioning wheel 26 can approach or be away from the square tube 23 of the belt holder through the tensioning link 27; The tensioning link 27 is drivingly connected, and the movement of the tensioning link 27 is regulated by the swing of the tensioning handle 28, and its specific driving structure is set based on the prior art, and will not be repeated here;

In this embodiment, as shown in FIG. 10 , the longitudinal displacement mechanism for fixedly installing the grinding mechanism includes:

the guide rail 21 on the side of the guide rail 21 supporting the 12;

The motor lifting bracket 19 matched with the slide rail 5, as shown in the figure, the motor lifting bracket 19 is a plate-like structure, the first motor 1 is installed on the motor lifting bracket 19, and the square tube 23 of the abrasive belt frame is connected to the motor lifting bracket 19. The side parts of the motor lifting bracket 19 are connected;

the second motor 2 fixedly connected to one end of the support 12 of the guide rail 21;

The lifting screw 18 drivingly connected with the second motor 2, the second motor 2 is drivingly connected with the motor lifting bracket 19 through the lifting screw 18, and drives the motor lifting bracket 19 to move; in this embodiment, the motor lifting bracket 19 is a There is a slider 20 on the side, which cooperates with the guide rail 21, so that the second motor 2 drives the motor lifting bracket 19 to move along the surface of the guide rail 21 through the lifting screw 18, and further makes the abrasive belt 22 close to or away from the rail of the outer rail; in this implementation In an example, the elevating screw 18 is disposed through the motor elevating bracket 19 , and the motor elevating bracket 19 has a threaded structure matched with the elevating screw 18 (the screw structure is not shown in the figure).

Embodiment 2:

As shown in Figures 12 and 13,

The grinding mechanism is a grinding wheel grinding mechanism, including a second motor 2 connected with the longitudinal displacement mechanism. The end of the output shaft of the second motor 2 is equipped with a grinding wheel 29 for grinding the rail. As shown in the figure, the second motor 2 2 also has a transmission seat 30 for driving connection with its output shaft;

The grinding mechanism of the grinding wheel 29 is adopted, and the contact area between the grinding wheel 29 and the rail is small, which is suitable for the grinding operation of the local area of the rail;

In this embodiment, as shown in FIG. 12 , the longitudinal displacement mechanism for fixedly installing the grinding mechanism includes:

The guide rail 21 on the side surface of the guide rail 21 supporting the 12;

The motor lifting bracket 19 matched with the slide rail 5, the second motor 2 is connected with the motor lifting bracket 19 and is arranged through the motor lifting bracket 19;

the second motor 2 fixedly connected to one end of the support 12 of the guide rail 21;

The lifting screw 18 drivingly connected with the second motor 2, the second motor 2 is drivingly connected with the motor lifting bracket 19 through the lifting screw 18, and drives the motor lifting bracket 19 to move; in this embodiment, the motor lifting bracket 19 is a There is a slider 20 on the side, which cooperates with the guide rail 21, so that the second motor 2 drives the motor lifting bracket 19 to move along the surface of the guide rail 21 through the lifting screw 18, and further makes the abrasive belt 22 close to or away from the rail of the outer rail; in this implementation In the example, the lifting screw 18 is arranged through the motor lifting bracket 19, the motor lifting bracket 19 has a threaded structure matched with the lifting screw 18 (the screw structure is not shown in the figure), and the output part of the second motor 2 also has a coupling shaft. The device 17 is used for the drive connection of the lifting screw 18.

In a preferred embodiment provided by the present invention, the angle deflection mechanism further includes:

As shown in Figures 8 and 9, the mandrel 9 connected with the first base 8, one end of the guide rail 21 supporting 12 is sleeved on the mandrel 9;

The straight rack fixing plate 16 fixedly connected with the support 12 of the guide rail 21, the straight rack fixing plate 16 has a straight rack 15;

One end of the rotating shaft has a spur gear meshing with the spur gear rack 15, and the other end has a swing hand wheel 13;

The brake inclined iron group 14 fixedly connected with the second base 35 is used for braking the spur gear. In the embodiment provided by the present invention, the brake inclined iron group 14 is manually controlled;

As shown in FIGS. 8 and 9 , in an embodiment, the support 12 of the guide rail 21 and the second base 35 are arranged vertically, and the bottom end is sleeved on the mandrel 9 , and the mandrel can be connected to the first base at both ends respectively. 8 is connected, and one end can be connected to the first base 8, and the other end is a free end; when the swing handwheel 13 is rotated, the spur gear 15 is driven to move laterally relative to the second base 35 by the rotation of the spur gear , to make the drive guide rail 21 support 12 swing with its connection part with the mandrel 9 as the axis, and adjust the angle of the abrasive belt 22 of the grinding mechanism or the grinding wheel 29 and the rail;

The grinding unit with horizontal traverse mechanism, angle deflection mechanism and longitudinal displacement mechanism provides three degrees of freedom and can realize the transformation of various position angles and fit degrees of the abrasive belt 22/grinding wheel 29 and the rail.

In the preferred embodiment provided by the present invention, as shown in FIGS. 5 and 6 , the module frame 3 further has a first lead screw seat 6 ; the horizontal traverse mechanism further includes: a second lead screw seat located on the first base 8 6. The positions of the second screw base 6 and the first screw base 6 correspond to each other; The handwheel 10 is connected, and the traverse screw 11 is driven by rotating the traverse handwheel 10 to make the first base 8 move horizontally along the surface of the slide rail 5 .

In the preferred embodiment provided by the present invention, as shown in FIG. 14 , the drive unit includes:

The drive frame 31 connected with the module frame 3;

The driving electric box 32 and the third motor 33 located on the driving frame 31 are electrically connected to each other;

The driving wheel set 34 connected with the driving frame 31 is also drivingly connected with the third motor 33; specifically, as shown in the figure, the driving wheel set 34 is located under the driving frame 31, and the third motor 33 is drivingly connected with the axle of the driving wheel set 34 through the driving frame 31 through the pulley transmission structure.

In the preferred embodiment provided by the present invention, the grinding unit includes a plurality of interconnected module frames 3, the specific number of which can be appropriately set by those skilled in the art according to actual needs, for example, as shown in the figure, there are four module frames 3 , arranged in pairs, the grinding mechanisms in the module frame 3 are not arranged "back-to-back" with each other, that is, the parts used for grinding are respectively facing the opposite surfaces of the two rails; the type of grinding mechanism can also be set according to actual needs, for example It can be entirely composed of abrasive belt 22 type or grinding wheel 29 type grinding mechanism, or according to the moving direction of the grinding car, the abrasive belt 22 type grinding mechanism can be set in the front, and the grinding wheel 29 type grinding mechanism is in the form of the rear, which can be used for grinding from coarse to fine. Operation;

In this embodiment, the outer side of each module frame 3 has a first snap structure for interconnecting the module frames 3 , and the inner side of each module frame 3 has a second snap structure for the module frame 3 Interconnection and position limit with the first base 8; it should be understood that the outer side refers to the side of the module frame 3 in contact with each other, and the inner side refers to the horizontal traverse mechanism and the angle deflection in the enclosed area of the module frame 3 side of mechanism, longitudinal displacement mechanism and grinding mechanism;

In this embodiment, the buckle structure can be set according to the prior art. For example, as shown in FIG. 15 , the first buckle structure adopts the bayonet 36 and the locking teeth 37 that cooperate with each other, and the second buckle structure adopts the above-mentioned settings. It also has a positioning pin structure 38, that is, a positioning pin and a positioning pin hole that cooperate with each other;

In another improved manner, as shown in FIG. 16 , the second buckle structure is a buckle structure with elastic insertion, including a positioning seat 39 , a positioning spring 40 and a positioning pin 41 ; the positioning seat 39 is welded to the module frame 3 The inner side of the locating pin 41 is installed on the locating spring 40 and inserted into the hole of the locating seat 39, and the other side of the locating spring 40 is connected with the locating seat 39; in use, the tooth 37 is inserted into the bayonet 36, and the locating pin 41 is pushed out , the two modules move longitudinally relative to each other. When reaching a predetermined position, the positioning pin 41 is inserted into the positioning reserved hole of the other module by elastic force to complete the module assembly.

To sum up, a modular rail grinding car provided by the embodiment of the present invention can realize the free assembly of the grinding unit module and the driving module to complete the multi-head grinding train, improve the grinding efficiency, reduce the cost of the grinding car, and at the same time, for different working conditions conditions to adopt flexible measures. The grinding unit module uses the abrasive belt as the grinding tool, the motor as the power source, and uses the rechargeable lithium battery to supply power to the motor. When the grinding machine is operating, the motor drives the abrasive belt train for grinding, and the stepper motor controls the abrasive belt train for longitudinal Feed, adjust the lateral position and grinding angle of the abrasive belt train by traversing the handwheel and swinging the handwheel. During the grinding operation, the rubber layer of the contact wheel and the characteristics of the abrasive belt make the abrasive belt and the rail in flexible contact, which reduces the impact of the grinding machine vibration on the surface of the rail and improves the grinding quality. The drive module drives the rail modular abrasive belt grinding car to move along the rail, which can realize automatic control, reduce labor consumption, and enhance the consistency of grinding quality.

Those of ordinary skill in the art can understand that the accompanying drawing is only a schematic diagram of an embodiment, and the modules or processes in the accompanying drawing are not necessarily necessary to implement the present invention.

Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the apparatus or system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for related parts. The apparatus and system embodiments described above are only illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, It can be located in one place, or it can be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment. Those of ordinary skill in the art can understand and implement it without creative effort.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Substitutions should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. A modularized steel rail grinding wagon is characterized by comprising a grinding unit and a driving unit;

the grinding unit is provided with a module frame with a rectangular frame structure, a travelling wheel, a sliding rail and an electric box, the travelling wheel is positioned at the bottom of the module frame, and the module frame moves on an external rail through the travelling wheel; the enclosed area of the module frame corresponds to the track gauge of the external track; the sliding rails and the electrical box are located in the enclosed area of the module frame, and the sliding rails are horizontally arranged and are perpendicular to the external rail;

the polishing unit also comprises a horizontal transverse moving mechanism, an angle deflection mechanism, a longitudinal displacement mechanism and a polishing mechanism; the polishing mechanism is used for polishing the external track; the horizontal transverse mechanism is positioned in the enclosed area of the module frame and is provided with a first base which is matched with the slide rail and can horizontally move along the surface of the slide rail; the longitudinal displacement mechanism is connected with the polishing mechanism; the angle deflection mechanism includes: a second base connected to the first base; a guide rail support connected with the longitudinal displacement mechanism; the rotating shaft is movably connected with the second base, one side of the rotating shaft is connected with the guide rail support, and the rotating shaft is rotated to drive the guide rail support to rotate;

the driving unit is in driving connection with the module frame and is used for driving the grinding unit to move on the external track.

2. A rail grinding wagon as defined in claim 1 wherein the grinding mechanism is a grinding wheel grinding mechanism comprising:

the first motor and the abrasive belt frame square tube are respectively connected with the longitudinal displacement mechanism;

a driving wheel and a contact wheel are respectively arranged on two sides of the square tube of the abrasive belt frame, and the driving wheel is in driving connection with the first motor;

the tensioning mechanism is movably connected with the square pipe of the abrasive belt frame and is provided with a tensioning wheel, and the tensioning wheel is close to or far away from the square pipe of the abrasive belt frame through the tensioning mechanism;

and the abrasive belt is sleeved with the driving wheel, the tensioning wheel and the contact wheel.

3. A rail grinding wagon as defined in claim 2 wherein the tensioning mechanism further comprises a tensioning link and a tensioning handle, wherein one side of the tensioning link is movably connected to the belt frame square tube and the other side is connected to the tensioning wheel, and the tensioning wheel is movable toward or away from the belt frame square tube by the tensioning link; the tensioning handle is in driving connection with the tensioning connecting rod through the square pipe of the abrasive belt frame.

4. A rail grinding wagon as defined in claim 2 wherein the longitudinal displacement mechanism comprises:

a rail located on the rail support side;

the first motor is positioned on the motor lifting bracket, and the square pipe of the abrasive belt frame is connected with the motor lifting bracket;

the second motor is fixedly connected with the end part of the guide rail support;

and the second motor is in driving connection with the motor lifting bracket through the lifting screw rod, and drives the motor lifting bracket to move along the surface of the slide rail, so that the abrasive belt is close to or far away from a steel rail of an external track.

5. A rail grinding wagon according to claim 1 wherein the grinding mechanism is a grinding wheel grinding mechanism comprising a second motor connected to the longitudinal displacement mechanism, the second motor having an output shaft end on which a grinding wheel is mounted.

6. A rail grinding wagon according to claim 5 wherein the longitudinal displacement mechanism comprises:

a rail located on the rail support side;

the second motor is connected with the motor lifting bracket and penetrates through the motor lifting bracket;

the second motor is fixedly connected with the end part of the guide rail support;

and the second motor is in driving connection with the motor lifting bracket through the lifting screw, and drives the motor lifting bracket to move along the surface of the slide rail, so that the grinding wheel is close to or far away from the steel rail of the external track.

7. A rail grinding wagon according to any one of claims 1 to 6 wherein the angular deflection mechanism further comprises:

the core shaft is connected with the first base, and one end of the guide rail support is sleeved on the core shaft;

the straight rack fixing plate is fixedly connected with the guide rail support and is provided with a straight rack;

one end of the rotating shaft is provided with a straight gear meshed with the straight rack, and the other end of the rotating shaft is provided with a swinging hand wheel;

through the pivot rotates, the drive the guide rail supports and uses the dabber swings as the axle.

8. A rail grinding wagon according to any one of claims 1 to 6 wherein the drive unit comprises:

a driving frame connected with the module frame;

the driving electric box and the third motor are positioned on the driving frame and are electrically connected with each other;

and the driving wheel set is connected with the driving frame and is also in driving connection with the third motor.

9. A rail grinding wagon according to any one of claims 1 to 6 wherein the grinding unit comprises a plurality of said modular frames connected to one another; the outer side face of each module frame is provided with a first buckle structure for mutual connection of the module frames, and the inner side face of each module frame is provided with a second buckle structure for mutual connection and limiting of the module frames and the first base.

10. A rail grinding wagon according to any one of claims 1 to 6 wherein the module frame further has a first lead screw mount; the horizontal traversing mechanism further comprises: the second screw rod seat is positioned on the first base, and the second screw rod seat and the first screw rod seat correspond to each other in position; and the transverse screw rods are respectively matched with the first screw rod seat and the second screw rod seat, and the first base horizontally moves along the surface of the sliding rail by rotating the transverse screw rods.

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