CN106192629B - A kind of railway switch prosthetic device and rail burr restorative procedure - Google Patents

Abstract

The invention discloses a railway turnout repair device and a repair method, which include a grinding mechanism and a traveling frame. The grinding mechanism includes a base, an adjustable frame, and an abrasive belt driving mechanism. Adjust the driving mechanism to connect with the base flexibly, and the abrasive belt driving mechanism is arranged on the adjustable frame; the abrasive belt driving mechanism includes a driving wheel, a tensioning wheel, and a bottom wheel, and the abrasive belt contacts and bypasses the driving wheel, tensioning wheel in turn , the bottom wheel, and is driven to rotate by the driving wheel. The inner ring of the abrasive belt under the adjustable frame is provided with a profiling pressing block. The profiling surface of the profiling pressing block is slidingly connected with the inner surface of the abrasive belt, and the horizontal displacement of the adjustable frame Prompting the profiling press block to press the abrasive belt to slide and connect with the side of the rail to realize all-round grinding of rail burrs. The whole device has a high degree of automation, which greatly saves labor, improves the grinding efficiency and grinding effect, and has good stability. The production cost is low, and it is suitable for large-scale promotion and application in the industry.

Description

A railway turnout repair device and rail burr repair method

technical field

The invention relates to the technical field of railway rail repair, in particular to a railway switch repair device.

Background technique

Turnouts are an important part of railway rails. After long-term use, burrs will occur on the side of the rail surface, which will affect the normal and safe use of the track. The grinding of turnouts has become an important part of railway maintenance operations. After years of experience, railway experts generally It is agreed that rail grinding has the following advantages: prolonging the life of the rail track, prolonging the track processing cycle, improving the running stability of the vehicle, and reducing noise. However, due to the complex situation of railway turnouts (changing lines, various rail shapes, narrow space, etc.), the existing equipment has huge limitations: the cost of turning out grinding locomotives or grinding robots is extremely high, and the existing common grinding wheel type Turnout grinding equipment adopts the grinding wheel grinding method, which requires manual adjustment of the contact position of the grinding wheel. The grinding effect is heavily dependent on the operator, the grinding speed is slow, and the effect varies from person to person, which is very unstable.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides a railway turnout repair device, which uses abrasive belt grinding to repair railway turnouts. The equipment has a simple structure, low cost, and can be operated automatically or manually, saving manpower and material resources, and greatly It greatly improves the efficiency of turnout repair.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A railway turnout repair device, comprising a grinding mechanism and a traveling frame, the traveling frame is mounted above the double rails and can walk along the track, the grinding mechanism is arranged above the track to be polished on one side of the traveling frame, and is characterized in that: The mechanism includes a base, an adjustable frame, and an abrasive belt driving mechanism. The base is fixedly connected to the traveling frame, and the adjustable frame is movably connected to the base by adjusting the driving mechanism. The abrasive belt driving mechanism is arranged on the adjustable frame; The abrasive belt driving mechanism includes a driving wheel, a tensioning wheel, and a bottom wheel. The abrasive belt successively contacts the driving wheel, the tensioning wheel, and the bottom wheel, and is driven to rotate by the driving wheel. The driving wheel is arranged on the upper part of the adjustable frame and Connected with motor I, the tensioner wheel is connected with the adjustable frame, and the bottom wheel is set at the bottom of the adjustable frame. Adjusting the driving mechanism can promote the horizontal displacement of the adjustable frame, and promote the bottom wheel of the abrasive belt and the tensioning wheel. The middle part of the wheel is in contact with the side of the turnout rail. The inner ring of the abrasive belt under the adjustable frame is provided with a profiling pressing block. The profiling pressing block includes a profiling surface. The profiling surface of the block is slidably connected with the inner surface of the abrasive belt, and the profiling pressing block presses the abrasive belt to be slidably connected with the side of the rail.

The driving wheel, the tensioning wheel and the bottom wheel are arranged in a triangular position relationship, the tensioning wheel is fixed on the support through the axle, the support is connected with the adjustable frame through the hinge rod and the support rod, and the hinge rod and the adjustable bracket The upper end is hinged, and the support rod is in the form of a gas spring structure. The length can be slightly changed due to different bearing forces, and the lower end is hinged with the middle of the adjustable bracket.

The surface where the abrasive belt travel track is located is perpendicular to the track of the grinding place.

Two groups of the abrasive belt driving mechanisms are respectively arranged on the front and rear sides of the adjustable frame, and the track surface to be repaired is repeatedly polished twice to ensure the grinding effect.

The walking frame includes a bracket, a driving wheel, and a driven wheel. There is one driving wheel, which walks on the track to be polished, is arranged on the side of the grinding mechanism, and is driven by the motor II connected thereto, and has two or three driven wheels. One, at least one driven wheel walks on a non-grinding track.

The driving wheel is provided with a clutch to switch between manual operation and automatic operation.

The adjustment driving mechanism includes a motor III, a worm reducer, a screw, and a slider, the screw is connected to the slider, the slider is fixedly connected to the base, the worm reducer is fixedly connected to the adjustable frame, and the motor III drives the worm to decelerate The machine drives the screw to realize the horizontal displacement of the adjustable frame relative to the base. The motor Ⅲ uses a servo motor to precisely control the displacement of the adjustable frame to ensure the grinding effect. The worm reducer is self-locking, which makes the components stable and reliable after the feeding action is completed. When the equipment is empty, the abrasive belt can be detached from the rail by adjusting the drive mechanism, reducing unnecessary damage.

The driven wheel of the bracket is connected with the bracket through a connecting rod, and a compression spring is arranged in the connecting rod, so that the driven wheel is always attached to the switch rail.

The bracket is made of hollow profiles.

The profiling briquetting block is connected with the adjustable bracket through an adjustment mechanism, which guides the profiling briquetting block in a certain linear direction and rotates along the direction of the turnout rail, and the adjusting mechanism is driven by a motor IV. Control the profiling block.

It also includes a control system, which is respectively connected with motors I, II, III and IV.

A rail burr repair method: construct an abrasive belt with a triangular running track, make one side of the abrasive belt contact the side of the rail; set a profiling pressing block on the inner ring of the abrasive belt, so that the profiling surface of the profiling pressing block is in line with the arc of the side of the rail Fitting together, the driving device drives the pressing profiling block to push the abrasive belt into contact with the rail; drives the abrasive belt to run to achieve perfect coverage and grinding of the side of the rail.

The beneficial effects of the present invention are:

The present invention designs a turnout rail grinding combination consisting of a driving wheel, a tensioning wheel, a bottom wheel, and a profiling briquetting block. The grinding method of the abrasive belt is used to realize the grinding of the rail and satisfy the perfect contact of the arc-shaped parts of the rail side, profiling The briquetting block has an adjustment mechanism, which can be adjusted by itself to meet the direction change of the rail after being stressed; a base driven wheel device with a spring is designed to make the travel wheel always fit the rail to ensure running stability; the grinding mechanism and the travel frame are both It can be completely separated without interfering with each other, and it can be assembled when needed, and it is more convenient for the operator to carry the equipment; the whole device is highly automated, which greatly saves labor, improves the grinding efficiency and grinding effect, and has good stability and low production cost. Low, suitable for large-scale promotion and application in the industry.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic side view of the present invention.

Detailed ways

The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:

A kind of railway turnout repair device as shown in Figure 1, comprises grinding mechanism, traveling vehicle frame, and traveling vehicle frame is mounted on the top of double track, and can walk along track, and grinding mechanism is arranged on the top of the track to be polished on one side of traveling vehicle frame, The grinding mechanism includes a base 1, an adjustable frame 2, and an abrasive belt drive mechanism. The base 1 is fixedly connected to the traveling frame, and the adjustable frame 2 is movably connected to the base 1 by adjusting the drive mechanism 3. The abrasive belt drive mechanism is set at an adjustable On the frame 2; the abrasive belt driving mechanism includes a driving wheel 4, a tensioning wheel 5, and a bottom wheel 6, and the abrasive belt contacts and bypasses the driving wheel 4, the tensioning wheel 5, and the bottom wheel 6 in turn, and is driven by the driving wheel 4 Drive rotation, the driving wheel 4 is set on the upper part of the adjustable frame and connected with the motor I7, the tension wheel 5 is connected with the adjustable frame, the bottom wheel 6 is set at the bottom of the adjustable frame 2, and the adjustment drive The mechanism 3 can promote the horizontal displacement of the adjustable frame 2, and make the bottom wheel of the abrasive belt and the middle section of the tensioner wheel contact with the side of the turnout rail. The profiling pressing block 8 includes a profiling surface, the profiling surface imitates the arc shape of the rail side and the upper surface arc of the rail, the profiling surface of the profiling pressing block 8 is slidingly connected with the inner surface of the abrasive belt, and the profiling pressing block 8 presses the sand The belt is slidingly connected to the side of the rail.

The driving wheel 4, the tensioning wheel 5, and the bottom wheel 6 are arranged in a triangular position relationship, the tensioning wheel 5 is fixed on the support through the axle, the support is connected with the adjustable frame through the hinge rod and the support rod, and the hinge rod It is hinged with the upper end of the adjustable bracket. The support rod is in the form of a gas spring structure. The supporting force is stable and does not change with the length. The lower end is hinged with the middle of the adjustable bracket.

The surface where the abrasive belt travel track is located is perpendicular to the track of the grinding place.

Two groups of the abrasive belt driving mechanisms are respectively arranged on the front and rear sides of the adjustable frame, and the track surface to be repaired is repeatedly polished twice to ensure the grinding effect.

Described walking vehicle frame comprises support 9, driving wheel 10, driven wheel 11, and driving wheel 10 is one, walks on the track to be polished, is arranged on the grinding mechanism side, and is driven by the motor II12 that is connected with it, and driven wheel 11 For two or three, at least one driven wheel 11 walks on the non-grinding track.

The drive wheel 4 is provided with a clutch to switch between manual operation and automatic operation.

The adjustment driving mechanism 3 includes a motor III, a worm reducer, a screw, and a slider, the screw is connected to the slider, the slider is fixedly connected to the base 1, the worm reducer is fixedly connected to the adjustable frame 2, and the motor III Drive the worm reducer and drive the screw to realize the horizontal displacement of the adjustable frame relative to the base. The motor Ⅲ uses a servo motor to precisely control the displacement of the adjustable frame to ensure the grinding effect. The worm reducer is self-locking, which makes the components stable and reliable after the feeding action is completed. When the equipment is empty, the abrasive belt can be detached from the rail by adjusting the drive mechanism, reducing unnecessary damage.

The driven wheel of the support 9 is connected with the support 9 through a connecting rod 13, and a compression spring 14 is arranged in the connecting rod 13, so that the driven wheel is always attached to the switch rail.

The bracket 9 is made of a hollow profile.

The profiling pressing block 8 is connected with the adjustable bracket through an adjustment mechanism, and the adjustment mechanism guides the profiling pressing block in a certain linear direction and rotates along the direction of the switch rail.

It also includes a control system, which is respectively connected with motors I, II, III and IV.

A rail burr repair method: construct an abrasive belt with a triangular running track, make one side of the abrasive belt contact the side of the rail; set a profiling pressing block on the inner ring of the abrasive belt, so that the profiling surface of the profiling pressing block is in line with the arc of the side of the rail Fitting together, the driving device drives the pressing profiling block to push the abrasive belt into contact with the rail; drives the abrasive belt to run to achieve perfect coverage and grinding of the side of the rail.

In the specific application process of the present invention, the tensioning wheel 5 is connected with the motor V, and the abrasive belt is driven and rotated by the driving wheel and the tensioning wheel to realize the grinding and repairing of the turnout rail. According to the actual situation of the turnout rail, the profiling pressing block 8 can be Adjust the position to adapt to the direction of the rails, and the compression spring 14 is used to absorb the variation of the distance between the rails, so that the driven wheel is always attached to the rails to ensure smooth operation. The base driving wheel 4 is equipped with an electromagnetic clutch to switch between manual operation and automatic operation. Operators can independently adjust according to the situation of the turnout, improve work efficiency on the premise of saving manpower, ensure the quality of grinding, and facilitate the resolution of problems in the repair process of the turnout. Sudden problem.

To sum up, the present invention has simple structure, convenient transportation, low cost, high track repair efficiency and good effect, and the operator only needs to perform simple operations to realize it, saving manpower and manpower cost.

Of course, the above descriptions are not intended to limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention shall also belong to the present invention. protection scope of the invention.

Claims (10)

1. A railway turnout repair device, comprising a grinding mechanism, a traveling frame, the traveling frame is mounted above the double rails, and can walk along the track, and the grinding mechanism is arranged on the top of the track to be polished on one side of the traveling frame, and is characterized in that : The grinding mechanism includes a base, an adjustable frame, and an abrasive belt drive mechanism. The base is fixedly connected to the traveling frame, and the adjustable frame is movably connected to the base by adjusting the drive mechanism. The abrasive belt drive mechanism is arranged on the adjustable frame; The belt driving mechanism described above includes a driving wheel, a tensioning wheel, and a bottom wheel. The abrasive belt sequentially contacts the driving wheel, the tensioning wheel, and the bottom wheel, and is driven to rotate by the driving wheel. The driving wheel is arranged on an adjustable frame. The upper part is connected with the motor I, the tension wheel is connected with the adjustable frame, and the bottom wheel is set at the bottom of the adjustable frame, and the adjustment of the driving mechanism can promote the horizontal displacement of the adjustable frame and the bottom wheel of the abrasive belt. The middle section of the tensioner is in contact with the side of the turnout rail, and the inner ring of the abrasive belt under the adjustable frame is provided with a profiling block, which includes a profiling surface, which imitates the arc shape of the side of the track, The profiling surface of the profiling briquetting block is slidingly connected to the inner surface of the abrasive belt, and the horizontal displacement of the adjustable frame promotes the profiling briquetting block to press the abrasive belt to be slidably connected to the side of the rail. 2. The railway turnout repair device according to claim 1, characterized in that: the drive wheel, the tensioner wheel and the bottom wheel are arranged in a triangular positional relationship, the tensioner wheel is fixed on the support through the axle, and the support passes through The hinged rod and the supporting rod are connected with the adjustable frame, the hinged rod is hinged with the upper end of the adjustable bracket, the supporting rod is in the form of a gas spring, and its lower end is hinged with the middle part of the adjustable bracket. 3. The railway turnout repairing device according to claim 1, characterized in that: two groups of said abrasive belt driving mechanisms are respectively arranged on the front and rear sides of the adjustable frame. 4. The railway turnout repair device according to claim 1, characterized in that: the traveling vehicle frame includes a bracket, a driving wheel, and a driven wheel, and there is only one driving wheel, which walks on the track to be polished and is arranged on the side of the polishing mechanism , and is driven by the motor II connected with it, there are two or three driven wheels, and at least one driven wheel walks on a non-grinding track. 5. The railway turnout repair device according to claim 4, characterized in that: the driven wheel is connected to the bracket through a connecting rod, and a compression spring is arranged in the connecting rod, so that the driven wheel is always attached to the switch rail. 6. The railway turnout repair device according to claim 1, characterized in that: the profiling pressing block is connected to the adjustable support through an adjustment mechanism, and the adjustment mechanism guides the profiling pressing block in a certain linear direction and rotation along the turnout rail direction. 7. The railway turnout repairing device according to claim 6, characterized in that: said adjusting mechanism controls the profiling briquetting block by driving a lead screw driven by motor IV. 8. The railway turnout repair device according to claim 1, characterized in that: said driving wheel is provided with a clutch, which switches between manual operation and automatic operation. 9. The railway turnout repair device according to claim 1, characterized in that: the adjustment drive mechanism includes a motor III, a worm reducer, a screw, and a slider, the screw is connected to the slider, and the slider is fixed to the base connection, the worm reducer is fixedly connected with the adjustable frame, the motor III drives the worm reducer, drives the screw, and drives the horizontal displacement of the adjustable frame relative to the base. 10. A rail burr repair method utilizing any one of the above-mentioned claim 1-9 railway turnout repair device, it is characterized in that: comprise the following method steps: build the abrasive belt of triangular running track, make wherein one side abrasive belt and rail side Contact; a profiling block is set on the inner ring of the abrasive belt, so that the profiling surface of the profiling block fits the arc of the side of the track, and the profiling block is driven by the driving device to push the abrasive belt into contact with the rail; the driving sand Belt running for perfect coverage grinding of the side of the rail.