CN115652709A - Foldable and stacked double-unit full-automatic steel rail grinding machine - Google Patents

Abstract

The invention provides a foldable and stackable double-unit automatic rail grinding machine. Including grinding unit structure, vertical movement unit, lateral movement unit, deflection movement unit and walking movement unit; grinding unit structure includes abrasive belt wheel train structure, abrasive belt wheel train structure includes abrasive belt, abrasive belt cover, drive wheel, tensioner wheel, contact wheel and drive motor. The vertical motion unit includes a stepping motor, guide rails, sliders and a support plate that moves up and down, and provides vertical driving force for the grinding unit through the stepping motor; The unit provides lateral driving force. The yaw motion unit includes a yaw motor, a worm wheel and a worm. During the yaw process, the yaw motor drives the worm to rotate, and the worm wheel drives the structure of the grinding unit to deflect to a preset angle. The grinding machine of the present invention satisfies that all operating forms are driven by a motor, which improves the grinding efficiency and grinding quality, and has a compact overall structure and can be stacked.

Description

A foldable and stackable double-unit automatic rail grinding machine

technical field

The invention relates to the technical field of rail grinding, in particular to a foldable and stackable double-unit automatic rail grinding machine.

Background technique

With the rapid development of my country's high-speed railways and the continuous improvement of railway transportation capacity, rail contact fatigue damage is becoming more and more serious, mainly manifested as rail surface peeling, wavy wear, rail head crushing, cracks, and rail fractures, etc., seriously affecting railways. Safety and economy of transportation. If these damages and defects are not dealt with and effectively controlled in time, the rail will fail due to continuous deterioration, resulting in high maintenance costs. As a recognized rail maintenance technology, rail grinding can effectively repair the rail profile to improve the wheel-rail contact relationship and greatly extend the service life of the rail. Therefore, it has been widely used in the field of rail transit at home and abroad, and has significantly improved the operating economic benefits.

At present, most of the rail grinding equipment in the prior art is a grinding wheel, and the grinding method is a combination of multiple grinding wheels at different angles and selected power. Due to the limitations of the performance of the grinding tool itself and the grinding method, the grinding wheel grinding operation has low efficiency. Disadvantages such as high cost. Compared with traditional grinding wheel grinding, abrasive belt grinding has unique processing advantages such as elastic contact and cold grinding, but its mechanical structure is more complicated, takes up a lot of space, and has a low degree of intelligence.

On the premise of ensuring the quality of grinding operations, how to improve the intelligence of rail grinding operations and improve the efficiency of rail grinding operations has become a key problem that needs to be solved urgently in the maintenance of high-speed railway lines.

Contents of the invention

An embodiment of the present invention provides a foldable and stackable double-unit fully automatic rail grinding machine to effectively improve the grinding efficiency and quality of rail grinding.

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

A foldable and stackable double-unit fully automatic rail grinding machine, comprising: a grinding unit structure, and a vertical movement unit, a lateral movement unit, a deflection movement unit and a walking movement unit connected to the grinding unit structure;

The grinding unit structure includes an abrasive belt wheel train structure, and the abrasive belt wheel train structure includes an abrasive belt (5), an abrasive belt cover (3), a driving wheel (2), a tensioning wheel (7), a contact wheel (10 ) and a drive motor (1), the grinding unit structure is connected with the vertical movement unit through a mounting plate (15) and a support plate (14) moving up and down;

The vertical movement unit includes a stepper motor, a guide rail, a slider and a support plate for moving up and down, and the stepper motor provides vertical driving force for the grinding unit;

The transverse movement unit includes a transverse movement motor and a transverse movement frame, through which the transverse movement motor provides a transverse driving force for the grinding unit mounted on the transverse movement frame, and is connected with the deflection movement unit through the transverse movement frame;

The yaw movement unit includes a yaw motor, a worm wheel and a worm. During the yaw process, the yaw motor drives the worm to rotate, and the worm wheel drives the grinding unit structure to deflect to a preset angle.

Preferably, the grinding unit structure includes a belt wheel train structure, a grinding lifting structure, a deflection shaft (9) and a corresponding bearing seat (8), a mounting plate (15) for carrying the belt wheel train, and a grinding machine body. Move the support plate (11) up and down;

The belt wheel system structure includes an abrasive belt (5), an abrasive belt cover (3), a driving wheel (2), a tensioning wheel (7), a contact wheel (10) and a driving motor (1), and the belt wheel system The structure is fixed on the mounting plate (15), the driving motor (1) is connected to the mounting plate (15), and the driving wheel (2) is driven to move in the way of key connection, and the contact wheel (10) and the tensioning wheel (7) pass through the sand The belt (5) is connected with the driving wheel (2); the contact wheel (10) is fixedly connected with the mounting plate (15) through the contact wheel seat (6), and the tension wheel (7) is connected with the tension wheel support frame (4) The mounting plate (15) is fixedly connected; the abrasive belt cover (3) is installed on the abrasive belt (5) top.

Preferably, the grinding and lifting structure includes a mounting plate (15), a stepper motor (18) and a lead screw set, and the lead screw set includes a lead screw (16), a first lead screw nut (13) and a shaft coupling (17 ), the stepper motor (18) is fixedly connected with the up and down moving support plate (14); the second lead screw nut (16) is connected with the mounting plate (15); the stepper motor (18) drives the lead screw set to rotate through the shaft coupling , for vertical movement.

Preferably, the vertical motion unit includes a stepper motor (18), a guide rail (11), a slider (12) and a support plate (14) for moving up and down, and the stepper motor (18) is connected with the mounting plate (15), The mounting plate (15) is fixedly connected with the guide rail 11, the slide block (12) is connected with the up and down moving support plate (14), and cooperates with the guide rail. Lever nut (13) cooperates, provides vertical driving force for grinding unit by stepper motor (18).

Preferably, the transverse movement unit comprises a transverse movement motor (27), a transverse movement screw rod (28), a transverse movement nut (29), a U-shaped wheel (23) and a transverse movement frame (21), and the U-shaped wheel (23) It is fixedly connected with the traverse frame (21), the U-shaped wheel (23) is placed on the bottom frame (19) of the grinding vehicle, the traverse nut (29) is fixed on the traverse frame (21), and the traverse electric screw and the traverse motor (27) are connected, the deflection bearing seat of the grinding unit is fixedly connected with the traverse frame (21), and the traverse motor (27) is used for the traverse frame (21) and the grinder mounted on the traverse frame (21) through the traverse motor (27). The unit provides lateral driving force.

Preferably, the yaw movement unit includes a yaw motor (26), a worm wheel (24) and a worm (25), the worm (25) is fixedly connected to the traversing frame (21), and the worm (25) and the yaw motor (26) Connected, the worm wheel (24) is connected with the up and down moving support plate (14), and the up and down moving support plate (14) is fixedly connected with the deflection bearing seat (8); the worm gear (24) is meshed with the worm (25), and the deflection motor (26 ) is installed on the traversing frame (21) of the lateral movement structure. During the deflection process, when the deflection motor (26) drives the worm (25) to rotate, the worm wheel (24) drives the grinding unit structure (22) to deflect to a preset angle.

Preferably, the walking motion unit includes a hub motor (30), a wheel (31) and a pallet (32), the hub motor (30) is connected with the vehicle frame, and the hub motor (30) provides power for the walking of the grinder; the wheel 31 provides support for the grinder.

Preferably, during storage and transportation of the foldable and stackable double-unit automatic rail grinder, the supporting plate (32) at the upper end of the hub motor bracket carries the grinder wheels (31) above, supporting and stacking the grinder.

It can be seen from the technical solutions provided by the above-mentioned embodiments of the present invention that the foldable and stackable double-unit automatic rail grinding machine of the embodiments of the present invention fully considers the technical characteristics of the abrasive belt grinding method for rail grinding, and satisfies all operating conditions. The forms are all driven by motors, which improves the grinding efficiency and grinding quality, and the overall structure is compact and can be stacked, providing structural guarantee for the stability and safety of the transportation process.

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

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Figure 1 is a schematic diagram of the overall structure of a foldable and stackable double-unit automatic rail grinding machine provided by an embodiment of the present invention;

Fig. 2 is a schematic structural view of a polishing unit provided by an embodiment of the present invention;

Fig. 3 is a schematic diagram of folding and stacking transportation of a grinding machine provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of an embodiment of a combined operation of a grinding machine provided by an embodiment of the present invention.

The numbers of the parts in the figure are as follows: drive motor 1, driving wheel 2, abrasive belt cover 3, tensioning wheel support frame 4, abrasive belt 5, contact wheel seat 6, tensioning wheel 7, bearing seat 8, deflection shaft 9, contact Wheel 10, guide rail 11, slider 12, first lead screw nut 13, up and down moving support plate 14, mounting plate 15, lead screw 16, coupling 17, stepping motor 18, grinding vehicle chassis 19, traverse frame 21. Grinding unit structure 22, U-shaped wheel 23, worm wheel 24, worm screw 25, deflection motor 26, traverse motor 27, traverse screw 28, traverse nut 29, hub motor 30, wheel 31 and supporting plate 32.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said 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 an element is referred to 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. Additionally, "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.

Those skilled in the art can understand 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 commonly used dictionaries should be understood to have a meaning consistent with the meaning in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless defined as herein explain.

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

Aiming at the problems of large size and inflexibility of the current grinding train, single function of the grinding machine, redundant structure and low degree of automation, the embodiment of the present invention proposes a foldable and stackable double-unit automatic rail grinding machine, in order to save transportation space, Improved grinding efficiency provides optional structural forms.

A schematic diagram of the overall structure of a foldable and stackable double-unit automatic rail grinding machine provided by an embodiment of the present invention is shown in Figure 1, including: a grinding unit structure, and a vertical movement unit and a lateral movement unit connected to the grinding unit structure , deflection motion unit, travel motion unit and grinder stacking unit and other mechanical structures.

A schematic structural diagram of a polishing unit provided by an embodiment of the present invention is shown in FIG. 2 . The grinding unit structure includes a belt wheel system structure, a grinding lifting structure, a deflection shaft 9 and a corresponding bearing seat 8, a mounting plate 15 carrying the belt wheel system, and a vertically moving support plate 11 connected to the main body of the grinding machine.

Described abrasive belt wheel system structure comprises abrasive belt 5, abrasive belt cover 3, driving wheel 2, tensioning pulley 7, contact wheel 10 and driving motor 1 etc.; It is connected with the mounting plate 15, and directly drives the driving wheel 2 to move by means of a key connection. The contact wheel 10 and the tensioning wheel 7 are connected to the driving wheel through the abrasive belt 5; the contact wheel 10 is fixed to the mounting plate 15 through the contact wheel seat 6 Connection, the tensioning wheel 7 is fixedly connected with the mounting plate 15 through the tensioning wheel support frame 4; the abrasive belt cover 3 is installed on the abrasive belt 5 top.

Described polishing lifting structure comprises mounting plate 15, stepping motor 18 and leading screw suit (leading screw 16, the first leading screw nut 13, shaft coupling 17); Stepping motor 18 is fixedly connected with moving support plate 14 up and down; Two lead screw nuts 16 are connected with the mounting plate 15; the stepper motor 18 drives the lead screw set to rotate through the shaft coupling, thereby performing vertical movement.

Described vertical movement unit comprises stepper motor 18, guide rail 11, slide block 12 and up and down moving support plate 14, stepper motor 18 links to each other with mounting plate 15, and mounting plate 15 is fixedly connected with guide rail 11, slide block 12 and up and down The mobile support plate 14 is connected, and cooperates with the guide rail, and the leading screw 16 cooperates with the first leading screw nut 13 connected on the mounting plate 15, and provides the vertical driving force for the grinding unit through the stepper motor 18; When feeding, the abrasive belt wheel train and the drive motor 1 move simultaneously.

The lateral movement unit includes a lateral movement motor 27, a lateral movement screw rod 28, a lateral movement nut 29, a U-shaped wheel 23 and a lateral movement frame 21, and the electric U-shaped wheel 23 is fixedly connected with the lateral movement frame 21, and placed at the bottom of the grinding vehicle Rack 19. The traverse nut 29 is fixed on the traverse frame 21 and cooperates with the traverse screw rod 28 . The horizontal electric screw is connected with the traverse motor 27, the deflection bearing seat of the grinding unit is fixedly connected with the traverse frame 21, and the lateral electric screw is the lateral direction of the traverse frame 21 and the grinding unit installed on the traverse frame 21 through the traverse motor 27. Movement provides the driving force.

The deflection motion unit includes a deflection motor 26, a worm wheel 24 and a worm screw 25. The worm screw 25 is fixedly connected to the traversing frame 21 and is connected to the deflection motor 26. The worm wheel 24 is connected to the support plate 14 for moving up and down, and the support plate 14 for moving up and down It is fixedly connected with the yaw bearing seat 8; the worm wheel 24 is meshed with the worm 25, and the power for yaw driving is provided by the yaw motor 26, which is installed on the traversing frame 21 of the lateral movement structure. In the deflection process, when the deflection motor 26 drives the worm 25 to rotate, the worm wheel 24 drives the grinding unit structure 22 to deflect as a whole to a preset angle; the grinding unit rotates around the deflection shaft 9, and the deflection shaft 9 cooperates with the deflection bearing seat through the bearing; All parts of the grinding unit structure 22 such as the belt wheel train and the mounting plate are deflected, and the deflection center is at the deflection axis.

The walking motion unit includes a hub motor 30, a wheel 31 and a supporting plate 32. The hub motor 30 is connected with the vehicle frame to provide power for the grinding machine; the wheel 31 provides support for the grinding machine.

A schematic diagram of folding and stacking transportation of a grinding machine provided by an embodiment of the present invention is shown in FIG. 3 , and a schematic diagram of an implementation mode of combined operation of the grinding machine is shown in FIG. 4 . During storage and transportation of the above-mentioned foldable and stackable double-unit automatic rail grinder, the supporting plate 32 on the upper end of the hub motor bracket will carry the wheel 31 of the upper grinder, and play a role in supporting the stacked grinder.

The above-mentioned foldable and stackable double-unit automatic rail grinding machine is equipped with a ZigBee module, and the ZigBee module can realize the cooperative work between multiple grinding machines.

In summary, the foldable and stackable double-unit automatic rail grinding machine provided by the embodiment of the present invention has the following beneficial effects:

(1) Foldable and stackable design, convenient for storage and placement, suitable for various transportation methods;

(2) Double grinding head automatic operation, multi-machine cooperation to realize intelligent grinding;

(3) The angular drive of the worm gear and the force loading method of the cylindrical guide rail realize high-torque full-profile grinding.

Those skilled 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 for implementing the present invention.

Those of ordinary skill in the art can understand that: the components in the device in the embodiment can be distributed in the device in the embodiment according to the description in the embodiment, and can also be changed and located in one or more devices different from the embodiment. The components in the above embodiments can be combined into one component, and can also be further divided into multiple subcomponents.

Each embodiment in this specification is described in a progressive manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device or system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for relevant parts, refer to part of the description of the method embodiments. The device and system embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, It can be located in one place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without creative effort.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of changes or modifications within the technical scope disclosed in the present invention. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (8)

1. The utility model provides a can fold full-automatic steel rail polisher of formula of piling, its characterized in that includes: the device comprises a grinding unit structure, and a vertical motion unit, a transverse motion unit, a deflection motion unit and a walking motion unit which are connected with the grinding unit structure;

the grinding unit structure comprises an abrasive belt wheel train structure, the abrasive belt wheel train structure comprises an abrasive belt (5), an abrasive belt cover (3), a driving wheel (2), a tension wheel (7), a contact wheel (10) and a driving motor (1), and the grinding unit structure is connected with the vertical movement unit through a mounting plate (15) and an up-down moving support plate (14);

the vertical motion unit comprises a stepping motor, a guide rail, a sliding block and an up-down moving support plate, and a vertical driving force is provided for the polishing unit through the stepping motor;

the transverse moving unit comprises a transverse moving motor and a transverse moving frame, a transverse driving force is provided for the polishing unit arranged on the transverse moving frame through the transverse moving motor, and the transverse moving unit is connected with the deflection moving unit through the transverse moving frame;

the deflection motion unit comprises a deflection motor, a worm wheel and a worm, wherein in the deflection process, the deflection motor drives the worm to rotate, and the worm wheel drives the grinding unit structure to deflect to a preset angle.

2. A foldable stacked dual-unit full automatic steel rail sander according to claim 1, wherein the sanding unit structure comprises an abrasive belt wheel train structure, a sanding lifting structure, a deflection shaft (9) and corresponding bearing seats (8), a mounting plate (15) bearing an abrasive belt wheel train, and an up-and-down moving support plate (11) connected to the sander body;

the abrasive belt wheel train structure comprises an abrasive belt (5), an abrasive belt cover (3), a driving wheel (2), a tension wheel (7), a contact wheel (10) and a driving motor (1), the abrasive belt wheel train structure is fixed on a mounting plate (15), the driving motor (1) is connected with the mounting plate (15) and drives the driving wheel (2) to move in a key connection mode, and the contact wheel (10) and the tension wheel (7) are connected with the driving wheel (2) through the abrasive belt (5); the contact wheel (10) is fixedly connected with the mounting plate (15) through a contact wheel seat (6), and the tension wheel (7) is fixedly connected with the mounting plate (15) through a tension wheel support frame (4); the abrasive belt cover (3) is arranged on the upper part of the abrasive belt (5).

3. The foldable stacked double-unit full-automatic steel rail grinding machine according to claim 1, wherein the grinding lifting structure comprises a mounting plate (15), a stepping motor (18) and a lead screw sleeve, the lead screw sleeve comprises a lead screw (16), a first lead screw nut (13) and a coupler (17), and the stepping motor (18) is fixedly connected with an up-and-down moving support plate (14); the second screw nut (16) is connected with the mounting plate (15); the stepping motor (18) drives the screw rod to rotate in a sleeved mode through the coupler to move vertically.

4. The foldable stacked double-unit full-automatic steel rail grinding machine according to claim 2 or 3, wherein the vertical moving unit comprises a stepping motor (18), a guide rail (11), a sliding block (12) and an up-and-down moving support plate (14), the stepping motor (18) is connected with a mounting plate (15), the mounting plate (15) is fixedly connected with the guide rail 11, the sliding block (12) is connected with the up-and-down moving support plate (14) and matched with the guide rail, a lead screw (16) is matched with a first lead screw nut (13) connected onto the mounting plate (15), and vertical driving force is provided for the grinding unit through the stepping motor (18).

5. The foldable stacked double-unit full-automatic steel rail polisher according to claim 4, wherein the transverse moving unit comprises a transverse moving motor (27), a transverse moving screw (28), a transverse moving nut (29), a U-shaped wheel (23) and a transverse moving frame (21), the U-shaped wheel (23) is fixedly connected with the transverse moving frame (21), the U-shaped wheel (23) is arranged on the bottom frame (19) of the polisher, the transverse moving nut (29) is fixed on the transverse moving frame (21), the transverse electric screw is connected with the transverse moving motor (27), a deflection bearing seat of the polishing unit is fixedly connected with the transverse moving frame (21), and the transverse electric screw provides transverse driving force for the transverse moving frame (21) and the polishing unit arranged on the transverse moving frame (21) through the transverse moving motor (27).

6. The foldable stacked double-unit full-automatic steel rail grinding machine according to claim 5, wherein the deflection motion unit comprises a deflection motor (26), a worm wheel (24) and a worm (25), the worm (25) is fixedly connected to the traverse frame (21), the worm (25) is connected to the deflection motor (26), the worm wheel (24) is connected to the up-and-down moving support plate (14), and the up-and-down moving support plate (14) is fixedly connected to the deflection bearing seat (8); the worm wheel (24) is meshed with the worm (25), the deflection motor (26) is installed on the transverse moving frame (21) of the transverse moving structure, and in the deflection process, when the deflection motor (26) drives the worm (25) to rotate, the worm wheel (24) drives the grinding unit structure (22) to deflect to a preset angle.

7. The foldable stacked double-unit full-automatic steel rail grinding machine according to claim 6, wherein the traveling movement unit comprises a wheel hub motor (30), a wheel (31) and a supporting plate (32), the wheel hub motor (30) is connected with a frame, and the wheel hub motor (30) provides power for traveling of the grinding machine; the wheel 31 provides support for the sander.

8. The foldable stacked dual-unit full-automatic steel rail sander according to claim 7, wherein during storage and transportation of the foldable stacked dual-unit full-automatic steel rail sander, a pallet (32) at the upper end of the in-wheel motor support carries upper sander wheels (31) to support the stacked sander.

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