CN106223144A - Rail corrugation belt grinder - Google Patents

Abstract

The invention provides a rail wave grinding belt grinding machine. Including: abrasive belt, driving wheel, tensioning wheel, row contact wheel, frame, supporting frame, traveling wheel, internal combustion engine and lifting pressure device, the abrasive belt is wound around the driving wheel and tensioning wheel installed on the supporting frame in turn 1. On the outer circle of the row of contact wheels, the support frame is connected with the internal combustion engine through a lifting pressure device; the traveling wheels are installed at the supporting position at the lower end of the frame, and the traveling wheels walk along the rails. The rail wave grinding abrasive belt grinder provided by the present invention adopts the abrasive belt as the grinding tool, and the rubber layer of the contact wheel and the characteristics of the abrasive belt make the abrasive belt and the rail in flexible contact during the grinding operation, which can reduce the impact of the vibration of the grinder on the grinding quality; The deflection of the grinding mechanism uses an angle deflection plate and positioning pins to complete the precise positioning of the grinding angle; the contact wheel adopts a concave row of contact wheels, which effectively improves the grinding efficiency of the rail wave grinding.

Description

Rail Wave Grinding Belt Grinding Machine

technical field

The invention relates to the technical field of railway maintenance machinery and equipment, in particular to a rail wave abrasive belt grinder.

Background technique

Long-term operation of railway rails is prone to corrugation, which affects the stability and comfort of train operation. Therefore, grinding is required to make the surface of the rails smooth. Traditionally, grinding wheel grinding machines are mostly used to eliminate corrugation. The grinding wheel is in rigid contact with the rail, and the vibration is large; the contact area between the grinding wheel and the weld is small, and the grinding wheel wears quickly. Therefore, the height of the grinding wheel must be adjusted continuously during the grinding process, and the operator is labor-intensive. Now The grinding machine with rail corrugated grinding wheel needs to install rollers on both sides to assist to complete it. The size is large and it is not easy to operate.

Contents of the invention

An embodiment of the present invention provides a rail corrugated grinding belt grinder to achieve effective grinding of rail corrugated grinding.

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

A rail wave grinding belt grinding machine, comprising:

Abrasive belt, driving wheel, tensioning wheel, row contact wheel, frame, support frame, traveling wheel, internal combustion engine and lifting pressure device, the abrasive belt is wound around the driving wheel, tensioning wheel, row contacting On the outer circle of the wheel, the driving wheel, the tensioning wheel, and the row contact wheel are all installed on the support frame, the lifting pressure device is arranged above the frame, and the support frame passes through the lifting The pressure applying device is connected with the internal combustion engine; the traveling wheels are installed at the support position at the lower end of the frame, the traveling wheels travel along the rails, and the abrasive belts are used as grinding tools to grind the rails.

Further, the lifting and pressing device includes a lifting screw, double guide columns, a lifting platform and a hand wheel, the lifting screw includes a self-locking bearing, the driving end of the self-locking bearing is connected with the hand wheel, and the passive The end is connected with the lifting screw, the lifting platform is fixedly connected with the lifting screw, the lifting platform is slidingly connected with the guide posts on both sides, and the support frame and the internal combustion engine are fixedly connected with the lifting platform.

Further, the end of the lifting screw is connected to the thrust bearing fixed on the base frame sleeve, and the lifting screw is rotated by shaking the hand wheel, and the base frame fixedly connected with the nut of the lifting screw moves laterally , and rely on the thread of the lifting screw to realize self-locking.

Further, when the hand wheel is rotated, the lifting screw rotates, and the lifting screw drives the lifting platform to move downward, and then the internal combustion engine and the support frame move downward as a whole, so that the row-to-row contact The wheel presses the rail to carry out the grinding operation.

Further, the side end of the frame is provided with an angle deflection plate, and there is a hole every other degree on the angle deflection plate from the mid-perpendicular line. After the angle is adjusted, a locking pin is inserted in the hole to lock the grinding angle.

Further, the row of contact wheels includes 3 rows of contact wheels of the same shape, each of the contact wheels is fixedly installed on the bottom end of the support frame through a connecting plate, and the outer circle of the contact wheel is installed with a A layer of rubber, and the outer circle of the rubber layer is concave.

Further, the tensioning wheel is arranged in a tensioning structure, and the tensioning structure also includes a support arm, a baffle, a spring and a tensioning wrench, the tensioning wheel is located on the support arm, and the support arm A spring is arranged between the baffle and the tensioning wrench to push the tensioning wheel into tension.

Further, the frame of the rail wave grinding belt grinder includes the frame, the cantilever and the telescopic arm, and the length of the telescopic arm can be adjusted to adapt to rails of different widths.

Further, a digital display is arranged above the frame, and the digital display displays the deflection angle and lifting pressure application depth of the rail wave grinding belt grinder.

Further, a transparent protective cover is provided on the outside of the rail wave abrasive belt grinder.

It can be seen from the technical solutions provided by the above-mentioned embodiments of the present invention that the rail profiling abrasive belt grinder provided by the embodiments of the present invention uses an abrasive belt as a grinding tool, and the rubber layer of the contact wheel and the characteristics of the abrasive belt itself make the abrasive belt and the rail The grinding operation is flexible contact, which can reduce the impact of the vibration of the grinding machine on the grinding quality; the deflection of the grinding mechanism uses an angle deflection plate and positioning pins to complete the precise positioning of the grinding angle; the contact wheel adopts a concave row of contact wheels, which effectively improves Improve the grinding efficiency of rail wave grinding.

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 any creative effort.

Fig. 1 is an axonometric view of a rail corrugated abrasive belt grinding machine provided by an embodiment of the present invention

Fig. 2 is a front view of a rail wave grinding belt grinding machine provided by the embodiment of the present invention

Fig. 3 is a schematic diagram of the pressure-applying mechanism of a rail corrugated abrasive belt grinder provided by an embodiment of the present invention

Fig. 4 is a schematic diagram of an abrasive belt tensioning mechanism of a rail corrugated abrasive belt grinder provided by an embodiment of the present invention.

Fig. 5 is a structural schematic diagram of a row of contact wheels of a rail wave grinding belt grinding machine provided by an embodiment of the present invention

detailed description

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 Explanation.

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.

The embodiment of the present invention provides a rail wave abrasive belt grinder, which mainly includes an abrasive belt, a driving wheel, a tension wheel, a row of contact wheels, a frame, a support frame, a telescopic arm, a cantilever, a walking wheel, an internal combustion engine, a horizontal horizontal Shifting device, lifting pressure device. The abrasive belt is wound on the outer circle of the driving wheel, the tensioning wheel, and the row contact wheels in turn; the driving wheel, the tensioning wheel, and the row contact wheels are all installed on the support frame. The lifting and pressing device is arranged above the frame, and the support frame is connected with the internal combustion engine through the lifting and pressing device; the traveling wheels are installed at the support position at the lower end of the frame, and the traveling wheels walk along the rails , the abrasive belt is used as a grinding tool to grind the rail.

The lifting pressure device includes a lifting screw, double guide columns, a lifting platform and a hand wheel; the lifting screw is matched with a self-locking bearing, the active end of the self-locking bearing is connected with the hand wheel, and the passive end is connected with the lifting screw The lifting platform is fixedly connected with the lifting screw, and the lifting platform is slidingly connected with the guide columns on both sides; the support frame and the internal combustion engine are fixedly connected with the lifting platform.

The side end of the frame is equipped with an angle deflection plate, and a hole is set every other degree from the vertical line on the angle deflection plate, after the angle is adjusted, a locking pin is inserted in the hole to lock the grinding angle. The corresponding degrees are engraved near each scale hole on the dial.

The row of contact wheels includes 3 rows of contact wheels of the same shape, each contact wheel is fixedly installed at the bottom of the support frame through a connecting plate, a layer of rubber is installed on the outer circle of the contact wheel, and the outer circle of the rubber layer is concave . The outside of the whole rail wave sanding belt grinder is provided with a transparent protective cover.

The digital display can display the deflection angle and lifting pressure depth of the rail wave grinding belt grinder in real time.

Fig. 1 is an axonometric view of a rail wave abrasive belt grinder provided by an embodiment of the present invention. This grinding machine walks on the steel rail (1) by track traveling wheel (11). Grinding machine frame is made up of frame (14), cantilever (15), telescopic arm (2), and the length of telescopic arm (2) is adjustable, to adapt to the steel rail (1) of different widths. There are parts such as internal combustion engine (3), handrail (4), hand wheel (5), digital display (6) above the frame (14). The grinding mechanism is located directly above the rail (1), and consists of a driving wheel (9), a tensioning wheel (8), an abrasive belt (7), a support frame (12), a lifting platform (18), a row of contact wheels (13), etc. components. An angle deflection plate (10) is also installed at the end of the frame (14) to determine the deflection angle of the grinder.

Fig. 2 is a side view of a rail wave abrasive belt grinder provided by an embodiment of the present invention. The internal combustion engine (3) is connected with the drive wheel (9) through a coupling (16). On the angle deflection plate (10), punch a hole every other degree from the mid-perpendicular line, from -15° to +15°, after adjusting the angle, insert the locking pin (10a) to lock the grinding angle. Considering the convenience of processing the holes on the dial, after calculation and comparison, within a certain accuracy range, the position and size of the holes are all 0.5 integral multiples. In addition, for the convenience of the operator, the corresponding degrees are engraved near each scale hole on the dial. The grinding device adopts the overall traverse. Shake the handwheel (5) during operation to rotate the lifting screw (17), and the end of the lifting screw (17) is connected to the thrust bearing fixed on the bottom frame sleeve, so when the lifting screw (17) rotates, it will be connected with the lifting screw (17). The bottom frame fixedly connected by the bar nut can move laterally, and realizes self-locking by means of the thread of the lifting screw.

Fig. 3 is a front view of a rail abrasive belt wave grinding machine provided by an embodiment of the present invention. The lifting mechanism of the polishing device is completed by the lifting screw (17). When the lifting screw (17) is lifted, it needs the cooperation of the guide column (16). In order to make the overall structure symmetrical, double guide columns are used. The lifting screw (17) includes self-locking Bearing, the active end of the self-locking bearing is connected with the hand wheel (5), and the passive end is connected with the lifting screw (17). The lifting screw (17) will only rotate when the hand wheel (5) rotates, thereby realizing self- lock function. When the hand wheel (5) is rotated, the lifting screw (17) drives the lifting platform (18) to move downward, and then the internal combustion engine (3) and the support frame (12) move downward as a whole, so that the row of contact wheels (13) presses the rail Carry out grinding work.

Fig. 4 shows the schematic diagram of the tensioning structure of the rail abrasive belt grinding machine, the tensioning wheel (8) is arranged in the tensioning structure, and the tensioning structure also includes a support arm (22), a baffle plate (23), Spring (21) and tensioning wrench (20), wherein, tensioning wheel (8) is positioned on the support arm (22), there is spring (21) between support arm (22) and baffle plate (23), by tensioning Wrench (20) can promote tensioning wheel (8) tensioning.

Fig. 5 is a schematic structural view of the row contact wheels. Three successively connected concave contact wheels (13) are installed on the support (12) in a row through the connecting plate (19), so as to have the function of eliminating corrugation.

To sum up, the rail profiling abrasive belt grinder provided by the embodiment of the present invention uses the abrasive belt as the grinding tool, and the rubber layer of the contact wheel and the characteristics of the abrasive belt make the abrasive belt and the rail in flexible contact during the grinding operation, which can reduce the grinding time. The impact of machine vibration on the grinding quality; the deflection of the grinding mechanism uses the angle deflection plate and positioning pins to complete the precise positioning of the grinding angle; the contact wheel adopts the inner concave contact wheel, which effectively improves the grinding efficiency of rail wave grinding.

The horizontal movement mechanism in the rail profiling abrasive belt grinding machine provided by the embodiment of the present invention uses the lifting screw to move the grinding support in translation, and the lifting and pressing mechanism adopts the double guide rail mode of the lifting screw to realize the overall lifting of the internal combustion engine and the grinding device. The encoder and LCD screen connected with the lifting lead screw can display the grinding amount and deflection angle in real time. At the same time, the grinding machine has a simple structure and is easy to operate and maintain.

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.

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 within the technical scope disclosed in the present invention can easily think of changes or 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 (10)

1. A rail wave abrasive belt grinding machine, characterized in that it comprises: Abrasive belt, driving wheel, tensioning wheel, row contact wheel, frame, support frame, traveling wheel, internal combustion engine and lifting pressure device, the abrasive belt is wound around the driving wheel, tensioning wheel, row contacting On the outer circle of the wheel, the driving wheel, the tensioning wheel, and the row contact wheel are all installed on the support frame, the lifting pressure device is arranged above the frame, and the support frame passes through the lifting The pressure applying device is connected with the internal combustion engine; the traveling wheels are installed at the support position at the lower end of the frame, the traveling wheels travel along the rails, and the abrasive belts are used as grinding tools to grind the rails. 2. The rail wave grinding belt grinding machine according to claim 1, wherein the lifting and pressing device includes a lifting screw, double guide columns, a lifting platform and a hand wheel, and the lifting screw includes a self-locking bearing , the active end of the self-locking bearing is connected with the hand wheel, the passive end is connected with the lifting screw, the lifting platform is fixedly connected with the lifting screw, and the lifting platform slides with the guide posts on both sides connected, the support frame, the internal combustion engine and the lifting platform are fixedly connected. 3. The rail wave sanding belt grinder according to claim 2, characterized in that, the end of the lifting screw is connected to a thrust bearing fixed on the chassis sleeve, and the lifting screw is shaken by shaking the hand wheel. Rotating, the bottom frame fixedly connected with the nut of the lifting screw moves laterally, and relies on the thread of the lifting screw to realize self-locking. 4. The rail wave sanding belt grinder according to claim 2, characterized in that, when the hand wheel is rotated, the lifting screw rotates, and the lifting screw drives the lifting platform to move downward, and the The internal combustion engine and the supporting frame move down as a whole, so that the row of contact wheels presses against the rail to carry out the grinding operation. 5. The rail wave grinding belt grinding machine according to claim 1, characterized in that, the side end of the frame is provided with an angle deflection plate, and on the angle deflection plate there is a hole every other degree from the mid-perpendicular line, After adjusting the angle, insert the locking pin in the hole to lock the grinding angle. 6. The rail wave grinding belt grinding machine according to claim 1, characterized in that, the row of contact wheels comprises 3 rows of contact wheels of the same shape, and each of the contact wheels is fixedly installed on the At the bottom end of the support frame, a layer of rubber is installed on the outer circle of the contact wheel, and the outer circle of the rubber layer is concave. 7. The rail wave grinding belt grinding machine according to claim 1, wherein the tensioning wheel is arranged in a tensioning structure, and the tensioning structure also includes a support arm, a baffle plate, a spring and a tensioning wrench , the tension wheel is located on the support arm, a spring is arranged between the support arm and the baffle, and the tension wheel is pushed to be tensioned by the tension wrench. 8. The rail wave grinding belt grinding machine according to claim 1, characterized in that, the frame of the rail wave grinding belt grinding machine comprises the frame, the cantilever and the telescopic arm, by adjusting the length of the telescopic arm Adapt to rails of different widths. 9. The rail wave grinding belt grinder according to claim 1, characterized in that a digital display is arranged above the frame, and the digital display displays the deflection angle and the lifting pressure depth of the rail wave grinding belt grinder . 10. The rail corrugated abrasive belt grinder according to claim 1, characterized in that a transparent protective cover is arranged outside the rail corrugated abrasive belt grinder.