CN107034751B - A kind of rail grinding machine - Google Patents

Abstract

The invention discloses a rail grinding machine, which comprises a machine body. The body is provided with traveling wheels for walking on the rails. The machine body is also provided with a grinding wheel device and a power machine, and the power machine is connected with the grinding wheel device through a transmission mechanism; the features are: The machine body includes two supporting shells arranged side by side at intervals. Traveling wheels are arranged under the two supporting shells, and the two supporting shells are fixedly connected by connecting steel pipes. The lower surface of the grinding wheel is the grinding surface, and the grinding wheel device is installed between the two supporting shells through a rotation adjustment mechanism. The rotation adjustment mechanism can adjust the grinding surface of the grinding wheel to rotate along the axis of the machine body. The power machine is installed on any On a supporting shell, the output shaft of the power machine is connected with the input end of the grinding wheel device through a flexible shaft. The invention has the advantages of good structural stability, small weight of the whole machine, convenient operation, flexible adjustment, convenient realization of continuous grinding of each side of the rail, and the like.

Description

rail grinding machine

technical field

The invention relates to the field of railway track maintenance, in particular to a rail grinding machine.

Background technique

Rail grinding machine is a kind of mechanical equipment used to grind rails to achieve derusting, maintenance, maintenance and other effects. The traditional rail grinding machine is mainly composed of main components such as a frame, a transmission system, a grinding wheel, and a traveling device. The utility model has the advantages of simple structure and convenient use, and can better realize grinding of steel rails.

But existing rail grinding machine, still there is following defect: 1, usually adopt box body or plate-shaped steel structure frame to guarantee the intensity of frame structure, but cause complete machine weight bigger, transport and use inconvenience. 2. In the process of operation, it is necessary to constantly adjust the handle to control the feeding and retracting of the grinding wheel to ensure the profiling grinding effect, which is inconvenient to operate and low in efficiency. 3. Generally, only one side of the rail can be polished, and the grinding direction cannot be directly adjusted. It is inconvenient to realize continuous grinding of multiple sides of the rail.

Contents of the invention

Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by the present invention is: how to provide a rail grinding machine with good structural stability, low overall weight, convenient operation, flexible adjustment, and convenient continuous grinding of each side of the rail.

In order to solve the above technical problems, the present invention adopts the following technical solution: In this solution, the rail grinding machine is used to describe the structural orientation of the working state of the upper surface of the rail when grinding.

A rail grinding machine, comprising a body, the body is provided with walking wheels for walking on the rail, the body is also provided with a grinding wheel device and a power machine, and the power machine is connected to the grinding wheel device through a transmission mechanism; it is characterized in that the body includes Two supporting shells are arranged side by side at intervals, and the two supporting shells are provided with traveling wheels, and the two supporting shells are fixedly connected by connecting steel pipes, and a grinding wheel for rail grinding is set under the grinding wheel device. The lower surface is the grinding surface, and the grinding wheel device is installed between the two support shells through a rotation adjustment mechanism. The rotation adjustment mechanism can adjust the grinding surface of the grinding wheel to rotate along the walking direction as the axis line, and the power machine is installed on any support shell , the output shaft of the power machine is connected with the input end of the grinding wheel device through a flexible shaft.

In this way, in the rail grinding machine of this structure, the main part is provided with two separated support shells respectively equipped with traveling wheels, and then the two support shells are fixedly connected by steel pipes as a whole, and a grinding wheel device is arranged in the middle of the two support shells . In this way, the whole structure is light and stable, and the weight of the whole machine is reduced to make it more convenient and flexible to use and transport. At the same time, the power machine is set on the supporting shell on one side and connected with the grinding wheel device by a flexible shaft, which can better improve stability and reduce vibration; at the same time, more importantly, it makes the grinding wheel device convenient to rotate and adjust by means of the rotation adjustment mechanism, so that The grinding wheel can not only grind the upper surface of the rail, but also can grind the side of the rail after rotating and adjusting the direction.

As an optimization, one side of any supporting shell is horizontally and laterally extended to be provided with an auxiliary support rod, and the outer end of the auxiliary support rod is provided with an auxiliary support wheel downwards.

In this way, the balance stability in use of the device can be better improved.

As an optimization, the auxiliary support rod is a telescopic rod. In this way, not only can it be conveniently adjusted to adapt to rails of different widths, but also it is convenient to retract the telescopic rod during transportation, so as to facilitate transportation.

As an optimization, the rotation adjustment mechanism includes a deflection adjustment elbow, the two ends of the deflection adjustment elbow are horizontally arranged and are respectively rotatably mounted on two supporting shells, and the middle part of the deflection adjustment elbow has an upwardly concave U-shaped The bending part, the middle part of the bending part is provided with a mounting block for installing the grinding wheel device, one end of the deflection adjustment elbow is the rotation adjustment input end, and the end of the rotation adjustment input end is provided with a worm wheel, and the worm wheel and a vertically installed Cooperate with the worm, the upper end of the worm extends upwards out of the support housing and is horizontally provided with a rotation control hand wheel.

In this way, the rotation adjustment mechanism can rely on the manual input of the rotation control handwheel, and the worm gear mechanism drives the deflection adjustment elbow to rotate to achieve adjustment. It has the advantages of simple structure, convenient operation, and reliable adjustment.

As an optimization, the grinding wheel device includes a horizontally arranged height adjustment handwheel, and a sleeve is fixedly connected downwards at the axis below the height adjustment handwheel. The sleeve is provided with external threads and matched with the threads of a horizontally arranged support block. In the hole, one side of the support block is fixed on a support connecting rod. The support connecting rod is Z-shaped and its upper end is fixed to the support block. In an upwardly curved arc-shaped groove on the side of the housing, the arc-shaped groove is centered on the end of the corresponding deflection-adjusting elbow so that the lower end of the supporting connecting rod can follow and slide in the arc-shaped groove when the end of the deflection-adjusting elbow rotates; A connecting rod can be slid up and down inside the casing, and the lower end of the connecting rod passes through the casing and is fixedly connected to the grinding wheel seat. A compression spring is also socketed outside the connecting rod below the support block, and the compression spring exerts force on the support block. Between the grinding wheel seat; the lower part of the grinding wheel seat is provided with a disc body and the grinding wheel is installed under the disc body, and the upper part of the grinding wheel seat includes a cylindrical body coaxial with the disc body and fixed above the disc body. It can be vertically slidably assembled on the mounting block in the middle of the deflection adjustment elbow. A grinding wheel shaft is installed inside the cylinder through a bearing. The grinding wheel is fixed at the lower end of the grinding wheel shaft. Drive connection.

In this way, the height position of the grinding wheel can be adjusted by turning the height adjustment handwheel to make it contact with the surface of the rail to achieve grinding. At the same time, it relies on the compression spring to form an elastic pressure to improve the self-adaptive effect of grinding. It can also rely on height adjustment when grinding. The hand wheel is used to adjust the size of the contact pressure to adjust the grinding force. At the same time, the structure also has the advantages of convenient adjustment, stability and reliability.

Further, the lower end of the connecting rod is fixedly connected with a U-shaped block with the opening side facing down, the lower end of the U-shaped block is fixed on a connecting plate, and the connecting plate is fixedly connected to the cylinder body periphery on the upper part of the grinding wheel seat, and the connecting plate and the lower part of the grinding wheel seat Guide rods are also fixedly connected between the disc bodies, and the guide rods are parallel and uniformly arranged on the outside of the cylinder body. The guide rods cooperate with the guide cylinder on the mounting block in the middle of the deflection adjustment elbow to form a linear guide rail structure.

In this way, the stability and reliability of the device during the up and down adjustment and during the working process can be better guaranteed.

As an optimization, the radial distance of the arc-shaped groove where the lower end of the supporting connecting rod is located corresponds to the rotation axis of the deflection adjustment elbow, and the radial distance of the lower end of the arc-shaped groove is greater than the radial distance of the upper middle of the arc-shaped groove.

In this way, when the position of the grinding wheel is adjusted by rotating the control handwheel so that it changes from grinding the upper surface of the rail to grinding the side surface of the rail, it can automatically adjust and change the distance between the support connecting rod and the deflection adjustment elbow by relying on the arc groove provided by the reducing diameter. distance, and then change the elastic force of the compression spring, and then realize the self-adaptive adjustment of the grinding pressing force, which greatly improves the degree of automation of the device.

As an optimization, a follow-up connection block is provided at the lower end of the support connecting rod close to the arc-shaped groove. One end of the follow-up connection block has a circular matching hole fitted on the deflection adjustment elbow, and the other end has a matching hole set The elongated hole is fitted on the supporting connecting rod, and the length of the elongated hole is greater than the variable diameter difference of the radial distance of the arc groove.

In this way, the follow-up and reliability of the rotation adjustment of the support connecting rod with the deflection adjustment elbow can be better ensured.

As an optimization, the lower edge of the disc body is provided with a dust cover surrounding the grinding wheel. This provides better protection from dust.

During implementation, the power machine is preferably a gasoline engine, and the power is output to the main shaft of the grinding wheel through a flexible shaft, which can provide independent power.

The invention has the following characteristics: 1. The frame adopts steel pipe connection structure, which replaces the box body or other steel structure frame of similar equipment. Under the condition of ensuring the strength of the frame, the weight of the whole machine is greatly reduced, saving materials and reducing costs. 2 In view of the current operation process of similar equipment, it is necessary to continuously adjust the handle to control the feeding and retracting of the grinding wheel to ensure the profiling grinding problem, and a unique structural improvement has been made, using compression springs, profiling guide track structure, The rod structure and the auxiliary limit device structure realize the profiling grinding of the rail. 3 During the grinding process, the operator only needs to control the deflection handwheel of the main body to adjust the deflection of the grinding main body. The continuous grinding of the rail tread and the side can be realized without moving the entire equipment, and at the same time, it does not need to operate frequently. The procedures are simplified, the work efficiency is improved, and the labor intensity is reduced.

To sum up, the present invention has the advantages of good structural stability, small weight of the whole machine, convenient operation, flexible adjustment, and convenient continuous grinding of each side of the rail.

Description of drawings

Fig. 1 is a schematic structural diagram of a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of a semi-sectional structure of the separate grinding wheel device in Fig. 1 .

Detailed ways

Specific embodiments: as shown in Figure 1-2, a rail grinding machine includes a body, the body is provided with walking wheels for walking on the rail, the body is also provided with a grinding wheel device and a power machine 1, and the power machine 1 passes through the transmission The mechanism is connected with the grinding wheel device; its characteristic is that the body includes two supporting shells 2 arranged side by side at intervals, and the two supporting shells 2 are provided with walking wheels 3 below, and the two supporting shells 2 are connected by a The steel pipe 4 is fixedly connected as a whole. A grinding wheel for rail grinding is arranged under the grinding wheel device. The lower surface of the grinding wheel is the grinding surface. The grinding wheel device is installed between the two supporting shells through a rotation adjustment mechanism. Rotate along the body's walking direction as the axis line, the power machine is installed on any supporting shell 2, and the output shaft of the power machine is connected to the input end of the grinding wheel device through a flexible shaft 5.

In this way, in the rail grinding machine of this structure, the main part is provided with two separated support shells respectively equipped with traveling wheels, and then the two support shells are fixedly connected by steel pipes as a whole, and a grinding wheel device is arranged in the middle of the two support shells . In this way, the whole structure is light and stable, and the weight of the whole machine is reduced to make it more convenient and flexible to use and transport. At the same time, the power machine is set on the supporting shell on one side and connected with the grinding wheel device by a flexible shaft, which can better improve stability and reduce vibration; at the same time, more importantly, it makes the grinding wheel device convenient to rotate and adjust by means of the rotation adjustment mechanism, so that The grinding wheel can not only grind the upper surface of the rail, but also can grind the side of the rail after rotating and adjusting the direction.

Wherein, one side of any supporting shell 2 is horizontally and laterally extended with an auxiliary support rod 6 , and the outer end of the auxiliary support rod 6 is provided with an auxiliary support wheel 7 downward.

In this way, the use stability of the device can be better improved.

Wherein, the auxiliary support rod 6 is a telescopic rod. In this way, not only can it be conveniently adjusted to adapt to rails of different widths, but also it is convenient to retract the telescopic rod during transportation, so as to facilitate transportation.

Wherein, the rotation adjustment mechanism includes a deflection adjustment elbow 8, the two ends of the deflection adjustment elbow 8 are arranged horizontally and are respectively rotatably installed on the two supporting shells 2, and the middle part of the deflection adjustment elbow 8 has an upward concave The U-shaped bending part, the middle part of the bending part is provided with a mounting block 9 for installing the grinding wheel device, one end of the deflection adjustment elbow 8 is the rotation adjustment input end, and the end of the rotation adjustment input end is provided with a worm wheel, the worm wheel and a vertical installation Cooperate with the worm 10 on the support housing, the upper end of the worm 10 extends upwards out of the support housing and is horizontally provided with a rotation control hand wheel 11 .

In this way, the rotation adjustment mechanism can rely on the manual input of the rotation control handwheel, and the worm gear mechanism drives the deflection adjustment elbow to rotate to achieve adjustment. It has the advantages of simple structure, convenient operation, and reliable adjustment.

Among them, the grinding wheel device includes a horizontally arranged height adjustment handwheel 12, and a sleeve 13 is fixedly connected downward at the axis below the height adjustment handwheel 12. The sleeve 13 is provided with external threads and is matched with a horizontally arranged support. In the threaded holes of the 14 pieces, one side of the support block 14 is fixed on a support connecting rod 15, the support connecting rod 15 is Z-shaped and the upper end is fixed to the support block, and the lower end of the support connecting rod 15 is parallel to the end of the deflection adjustment elbow 8 Set up and cooperate with the supporting connection in an upwardly curved arc-shaped groove 16 on the side of the corresponding supporting shell. The arc-shaped groove 16 is centered on the end of the corresponding deflection-adjusting elbow so that the end of the deflection-adjusting elbow rotates to support the connection The lower end of the rod can follow and slide in the arc groove 16; a connecting rod 17 can be slid up and down inside the casing 13, and the lower end of the connecting rod 17 passes through the casing and is fixedly connected to the grinding wheel seat. The socket is provided with a compression spring 18, and the compression spring 18 exerts force between the support block and the grinding wheel seat; a disc body 19 is arranged at the bottom of the grinding wheel seat and a grinding wheel is installed below the disc body, and the upper part of the grinding wheel seat includes a disc body A cylindrical body 20 that is coaxial and fixed above the disc body. The cylindrical body 20 can be vertically slidably assembled on the mounting block 9 in the middle of the deflection adjustment elbow. The inside of the cylindrical body 20 is installed with a grinding wheel shaft through a bearing. The grinding wheel is fixed on the lower end of the grinding wheel shaft, and the upper end of the grinding wheel shaft is located at the upper port of the cylindrical body 20 and is used for transmission connection with the flexible shaft 5 .

In this way, the height position of the grinding wheel can be adjusted by turning the height adjustment handwheel to make it contact with the surface of the rail to achieve grinding. At the same time, it relies on the compression spring to form an elastic pressure to improve the self-adaptive effect of grinding. It can also rely on height adjustment when grinding. The hand wheel is used to adjust the size of the contact pressure to adjust the grinding force. At the same time, the structure also has the advantages of convenient adjustment, stability and reliability.

Wherein, the lower end of the connecting rod 17 is fixedly connected with a U-shaped block 21 with the opening side facing down, and the lower end of the U-shaped block 21 is fixed on a connecting plate 22, and the connecting plate 22 is fixedly connected to the outer periphery of the cylindrical body 20 on the top of the grinding wheel seat. A guide rod 23 is also fixedly connected between the plate 22 and the disc body 19 at the bottom of the grinding wheel seat. The guide rod 23 is parallel and uniformly arranged on the outside of the cylinder body 20. The guide rod 23 and the mounting block 9 in the middle of the deflection adjustment elbow The guide cylinder cooperates to form a linear guide rail structure.

In this way, the stability and reliability of the device during the up and down adjustment and during the working process can be better guaranteed.

Wherein, the radial distance of the arc-shaped groove 16 where the lower end of the supporting connecting rod 15 is located corresponds to a variable diameter setting corresponding to the rotation axis of the deflection adjustment elbow, and the radial distance of the lower end of the arc-shaped groove 16 is greater than the radial distance of the middle part of the upper end of the arc-shaped groove.

In this way, when the position of the grinding wheel is adjusted by rotating the control handwheel so that it changes from grinding the upper surface of the rail to grinding the side surface of the rail, it can automatically adjust and change the distance between the support connecting rod and the deflection adjustment elbow by relying on the arc groove provided by the reducing diameter. distance, and then change the elastic force of the compression spring, and then realize the self-adaptive adjustment of the grinding pressing force, which greatly improves the degree of automation of the device.

Wherein, the lower end of the support connecting rod 15 is also provided with a follow-up connection block 24 near the arc groove. One end of the follow-up connection block 24 has a circular matching hole fitted on the deflection adjustment elbow 8, and the other end has a Cooperate with the elongated holes arranged in the holes, the elongated holes are matched on the supporting connecting rod 15, and the length of the elongated holes is greater than the variable diameter difference between the maximum radial distance and the minimum radial distance of the arc groove.

In this way, the follow-up and reliability of the rotation adjustment of the support connecting rod with the deflection adjustment elbow can be better ensured.

Wherein, the lower end edge of the disc body 19 is provided with a dust cover 25 surrounding the grinding wheel. This provides better protection from dust.

During implementation, the power machine is preferably a gasoline engine, and the power is output to the main shaft of the grinding wheel through a flexible shaft, which can provide independent power.

Claims (8)

1. A rail grinding machine, comprising a body, the body is provided with a walking wheel for walking on the rail, the body is also provided with a grinding wheel device and a power machine, and the power machine is connected to the grinding wheel device through a transmission mechanism; it is characterized in that the The machine body includes two supporting shells arranged side by side at intervals. Both supporting shells are provided with traveling wheels. The two supporting shells are fixedly connected by connecting steel pipes. A grinding wheel for rail grinding is set under the grinding wheel device. , the lower surface of the grinding wheel is the grinding surface, and the grinding wheel device is installed between the two supporting shells through a rotation adjustment mechanism. On the casing, the output shaft of the power machine is connected to the input end of the grinding wheel device through a flexible shaft; The rotation adjustment mechanism includes a deflection adjustment elbow, the two ends of the deflection adjustment elbow are horizontally arranged and are respectively rotatably mounted on two supporting shells, and the middle part of the deflection adjustment elbow has an upwardly concave U-shaped bending portion , the middle part of the bending part is provided with a mounting block for installing the grinding wheel device, one end of the deflection adjustment elbow is the rotation adjustment input end, and the end of the rotation adjustment input end is provided with a worm wheel, and the worm wheel cooperates with a worm vertically installed on the support shell , the upper end of the worm extends upwards out of the support housing and is horizontally provided with a rotation control hand wheel; The grinding wheel device includes a horizontally arranged height-adjusting handwheel. A sleeve is fixedly connected downwards at the axis below the height-adjusting handwheel. The sleeve is provided with external threads and fits in a threaded hole of a horizontally arranged support block. One side of the support block is fixed on a support connecting rod. The support connecting rod is Z-shaped and its upper end is fixed to the support block. The lower end of the support connecting rod and the end of the deflection adjustment elbow are arranged in parallel and connected to the side of the corresponding support shell with the support. In an upwardly curved arc-shaped groove, the arc-shaped groove is centered on the end of the corresponding deflection-adjusting elbow so that the lower end of the supporting connecting rod can slide in the arc-shaped groove when the end of the deflection-adjusting elbow rotates; A connecting rod can be slid up and down, and the lower end of the connecting rod passes through the casing and is fixedly connected to the grinding wheel seat. A compression spring is also sleeved outside the connecting rod under the support block, and the compression spring exerts force on the support block and the grinding wheel seat. Between; the lower part of the grinding wheel seat is provided with a disc body and the grinding wheel is installed under the disc body, and the upper part of the grinding wheel seat includes a cylindrical body coaxial with the disc body and fixed above the disc body. The cylindrical body can be vertically Slidingly assembled on the mounting block in the middle of the deflection adjustment elbow, the inside of the cylinder body is equipped with a grinding wheel shaft through bearings, the grinding wheel is fixed at the lower end of the grinding wheel shaft, and the upper end of the grinding wheel shaft is located at the upper port of the cylinder body and is used for transmission connection with the flexible shaft. 2 . The rail grinding machine according to claim 1 , wherein an auxiliary support rod is provided on one side of any supporting shell horizontally and laterally extending outward, and an auxiliary support wheel is provided downward on the outer end of the auxiliary support rod. 3 . 3. The rail grinding machine according to claim 2, wherein the auxiliary support rod is a telescopic rod. 4. The rail grinding machine according to claim 1, wherein the lower end of the connecting rod is fixedly connected with a U-shaped block with the opening side facing down, the lower end of the U-shaped block is fixed on a connecting plate, and the connecting plate is fixedly connected to the grinding wheel The circumference of the cylindrical body at the upper part of the seat, the connecting plate and the disc body at the lower part of the grinding wheel seat are also fixedly connected with guide rods, and the guide rods are parallel and evenly distributed on the outside of the cylinder body. The installation of the guide rod and the middle part of the deflection adjustment elbow The guide cylinder on the block cooperates to form a linear guide rail structure. 5. The rail grinding machine according to claim 1, characterized in that the radial distance of the arc-shaped groove where the lower end of the supporting connecting rod is located corresponds to the rotation axis of the end of the deflection adjustment elbow. The radial distance is greater than the radial distance at the middle of the upper end of the arc-shaped groove. 6. The rail grinding machine according to claim 5, characterized in that, a follow-up connection block is provided at the lower end of the support connecting rod close to the arc-shaped groove, and one end of the follow-up connection block has a circular fitting in the deflection adjustment bend The matching hole on the pipe has a long hole facing the matching hole at the other end. The long hole is fitted on the supporting connecting rod. The length of the long hole is greater than the difference between the maximum radial distance and the minimum radial distance of the arc groove. . 7. The rail grinding machine according to claim 1, characterized in that, the lower edge of the disc body is provided with a dust cover surrounding the grinding wheel. 8. The rail grinding machine according to claim 1, wherein the power engine is a gasoline engine, and the power is output to the main shaft of the grinding wheel through a flexible shaft.