CN106271987A - Rechargeable steel rail profile belt grinder - Google Patents

Abstract

The invention provides a charging type rail profiling abrasive belt grinder. It mainly includes: frame, guide wheel, motor, battery, bevel gear, outrigger and abrasive belt grinding head device, rollers are set on the outrigger, guide wheel is installed on the front and rear supporting parts of the lower end of the frame, and the motor There is a clutch between the bevel gear and the bevel gear. The grinding machine of the present invention uses the abrasive belt as the grinding tool and the battery as the power source. During operation, the battery drives the motor, and the motor drives the abrasive belt for grinding. The abrasive belt grinding is flexible grinding, which can reduce the impact of vibration on the surface quality of the processed rail. ;The contact wheel adopts the profiling contact wheel with outer circle and inner concave, which can increase the contact area between the rail and the abrasive belt, and can realize the grinding operation requirements of the entire profile of the rail with fewer enveloping times. Compared with the grinding wheel grinding, it improves It improves the efficiency of the grinding operation and reduces the labor intensity of the operator; at the same time, it is easy to operate, safe and environmentally friendly.

Description

Rechargeable rail profiling belt grinder

technical field

The invention relates to the technical field of railway maintenance machinery, in particular to a charging type rail profiling abrasive belt grinder.

Background technique

At present, there are various profiling grinders in the field of rail grinding and maintenance. These grinders mostly use grinding wheels for grinding, and gasoline is used as a power source. The following problems exist in the grinding wheel grinding machine: the grinding wheel is rigid grinding, and the mechanical vibration during the grinding process affects the grinding quality of the rail, and may even aggravate the damage of the rail; Use a plane to envelop the rail, and then polish the light strip planes one by one, which is inefficient; gasoline burning will cause environmental pollution. Existing abrasive belt grinders use flat contact wheels to carry out grinding operations. Compared with grinding wheels, the grinding efficiency is not significantly improved; internal combustion engines are still used to provide power, which causes certain environmental pollution during use; in addition, only rely on Manual deflection, the grinding angle cannot be precisely positioned.

Contents of the invention

An embodiment of the present invention provides a rechargeable rail profiling abrasive belt grinder for effectively grinding the rail with the abrasive belt.

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

A rechargeable rail profiling abrasive belt grinding machine, comprising: a frame, a guide wheel, a motor, a battery, a bevel gear, an outrigger and an abrasive belt grinding head device, rollers are arranged on the outrigger, and the guide wheel is installed On the front and rear support parts of the lower end of the frame, the bevel gears are respectively connected to the output shaft of the motor and the drive shaft end of the abrasive belt grinding head device, between the motor and the bevel gear With a clutch, the battery supplies power to the motor, the guide wheel walks on the rail, and the abrasive belt provided in the abrasive belt grinding head device is used as a grinding tool to grind the steel rail fork.

Further, the rechargeable rail profiling abrasive belt grinder also includes a traverse mechanism, an angle deflection mechanism and a lifting and pressing mechanism.

Further, a deflection platform is installed on the frame, the angle deflection mechanism is arranged between the frame and the deflection platform, the angle deflection mechanism is composed of a worm gear, and an end is installed on the frame The vertical lead screw that is fixedly connected to the handwheel, and a worm wheel that matches the worm is installed at one end of the deflection platform, and turning the handwheel drives the worm wheel to rotate, thereby realizing the rotation of the deflection platform; fixedly installing on the deflection platform There is the accumulator.

Further, the traversing mechanism is fixedly installed on the deflection platform, and the traversing mechanism includes a lead screw with one end fixedly connected to the hand wheel and a slider with threads inside, and the slider is separated from the deflection platform. The degrees of freedom are slidingly matched, and the hand wheel is turned to drive the slider to move.

Further, the lifting and pressing mechanism is fixedly installed on the traversing mechanism, and the lifting and pressing mechanism includes a lead screw with one end fixedly connected to the handwheel, a support frame for the abrasive belt grinding head, a left guide post and a right guide post, The abrasive belt grinding head support frame is provided with a threaded hole, and the threaded hole cooperates with the leading screw, and the abrasive belt grinding head support frame is fixedly equipped with an abrasive belt grinding head device, a motor, and a bevel gear.

Further, the abrasive belt grinding head device includes an abrasive belt, a driving wheel, a contact wheel, a tensioning mechanism, and an abrasive belt cover, and the tensioning mechanism includes a tensioning wheel, a tensioning handle and a spring, and the abrasive belt is wound around On the outer circle of the contact wheel, driving wheel and tension wheel.

Further, a rubber layer is arranged coaxially on the outer circumference of the contact wheel, the outer circumference of the rubber layer is concave, and the curvature radius of the rubber layer is larger than the maximum curvature radius of the rail.

Further, the rechargeable rail profiling abrasive belt grinder also includes a digital display installed on the upper end of the frame, and the digital display displays the grinding angle and grinding depth.

It can be seen from the technical solutions provided by the above-mentioned embodiments of the present invention that the rechargeable rail profiling abrasive belt grinder of the embodiments of the present invention uses the abrasive belt as the grinding tool and the battery as the power source, and the battery drives the motor when the grinder is grinding. The motor drives the abrasive belt for grinding, and the operation process will not cause environmental pollution. The abrasive belt is used as the grinding tool, and the abrasive belt grinding is flexible grinding, which can reduce the impact of vibration on the surface quality of the processed rail; the contact wheel adopts a profiling contact wheel, which makes the abrasive belt concave, which can increase the contact area between the rail and the abrasive belt , the grinding operation requirements of the entire profile of the rail can be achieved with fewer enveloping times. Compared with the grinding wheel grinding, the grinding operation efficiency is improved and the labor intensity of the operator is reduced; in addition, the present invention can also Power can be drawn directly from the grinding job site.

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 overall structural diagram of a charging type rail profiling abrasive belt grinding machine provided by the embodiment of the present invention

Fig. 2 is a diagram of the deflection mechanism of a charging type rail profiling abrasive belt grinder provided by the embodiment of the present invention

Fig. 3 is a diagram of the traverse mechanism of a charging type rail profiling abrasive belt grinder provided by the embodiment of the present invention

Fig. 4 is a structure diagram of lifting and applying pressure of a charging type rail profiling abrasive belt grinder provided by the embodiment of the present invention

Fig. 5 is a schematic diagram of an abrasive belt grinding head device of a rechargeable rail profiling abrasive belt grinding machine provided by an embodiment of the present invention

Fig. 6 is a schematic diagram of a charging rail profiling abrasive belt grinder working at different grinding angles according to 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.

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

The invention provides a rechargeable rail profiling abrasive belt grinder, which can deflect, traverse, and vertically feed in the deflection direction around the rail, and realize ±90° on the welded joints of the rail, the driving surface, and the welding seam. °Range grinding, correcting the profile of the rail head to meet the needs of grinding and maintenance.

The above-mentioned rechargeable rail profiling abrasive belt grinder mainly includes frame, guide wheel, three-phase asynchronous motor, battery, digital display, bevel gear, abrasive belt grinding head device and its traverse mechanism, angle deflection mechanism and lifting pressure applying mechanism , an outrigger and rollers arranged on the outrigger. The guide wheel is installed at the front and rear support parts at the lower end of the frame; the digital display is installed at the upper end of the frame; A clutch is arranged between the asynchronous motor and the bevel gear, and the storage battery supplies power to the motor.

The frame is equipped with a deflection platform carrying the entire grinding mechanism. An angle deflection mechanism is arranged between the frame and the deflection platform. The angle deflection mechanism is composed of a worm gear and a worm. One end of the deflection platform is equipped with a worm gear matched with the worm, and the rotation of the hand wheel drives the worm gear to rotate to realize the rotation of the deflection platform; a storage battery is fixedly installed on the deflection platform.

The traversing mechanism is fixedly installed on the deflection platform; the traversing mechanism is composed of a lead screw with one end fixedly connected to the hand wheel and a slider with threads inside. The hand wheel then drives the slider to move.

The lifting and pressing mechanism is fixedly installed on the traversing mechanism, and the lifting and pressing mechanism includes a lead screw with one end fixedly connected to the hand wheel, a support frame for the abrasive belt grinding head, a left guide post and a right guide post; the abrasive belt grinding Threaded holes are provided on the head support frame to cooperate with the leading screw, and the abrasive belt grinding head support frame is fixedly equipped with an abrasive belt grinding head device, a motor, and a bevel gear.

The abrasive belt grinding head device includes an abrasive belt, a driving wheel, a contact wheel, a tensioning mechanism, and an abrasive belt cover; the tensioning mechanism includes a tensioning wheel, a tensioning handle and a spring; the abrasive belt is wound around the contact wheel in turn , On the outer circle of the driving wheel and the tensioning wheel.

A layer of rubber is arranged coaxially on the outer circle of the contact wheel, and the outer circle of the rubber layer is concave, and its radius of curvature is larger than the maximum radius of curvature of the rail.

Exemplarily, the embodiment of the present invention provides an overall structural diagram of a belt sander as shown in FIG. The deflection platform 13, the abrasive belt grinding head device and its lateral movement mechanism, the angle deflection mechanism and the lifting and pressing mechanism, the outrigger 21 and the roller 22 arranged on the outrigger, the frame is composed of the guide wheel seat 2 and the handrail 3, The handrail 3 is fixedly connected to the two guide wheel bases by nuts, and the guide wheel 1 is installed on the front and rear support parts at the lower end of the frame; the outrigger 15 is welded on the guide wheel base 2, which can be stretched to different lengths and adapted to rails of different gauges , the other end of the outrigger 21 is equipped with two supporting rollers 22, and the rollers can keep the whole grinding machine running smoothly during the grinding process; There are angle sensors and pressure sensors, and the deflection angle and grinding depth can be displayed on the digital sensor in real time during the grinding process; the bevel gear is respectively connected to the output shaft end of the motor 9 and the drive shaft end of the abrasive belt grinding head device, and there is a belt between the motor and the bevel gear. There is a clutch.

The structural diagram of the deflection mechanism of the abrasive belt grinder is shown in Figure 2. The frame is equipped with a deflection platform 13 that carries the entire grinding mechanism. An angle deflection mechanism is arranged between the frame and the deflection platform. The angle deflection mechanism consists of a worm wheel 5, a worm 4. The frame is equipped with a vertical lead screw 4 fixedly connected to the handwheel at one end, and a worm wheel 5 matched with the worm is installed at one end of the deflection platform. A cylindrical roller bearing is placed between the deflection platform and the revolving pair of the frame. Turning the hand wheel further drives the worm wheel to rotate, realizing the rotation of the deflection platform 13, so that the abrasive belt grinder can realize grinding operations at different angles.

The structural diagram of the traversing mechanism of the abrasive belt grinder is shown in Figure 3. The traversing mechanism is installed on the deflection platform 13. The traversing mechanism consists of a lead screw fixedly connected to the handwheel at one end and a slider with threads inside. There is a bearing between the bar and the deflection platform, the interference fit between the lead screw and the bearing, and the single-degree-of-freedom sliding fit between the slider and the deflection platform, and the rotation of the hand wheel drives the slider to move to realize the lateral movement of the grinding mechanism.

The structural diagram of the lifting and pressing mechanism of the abrasive belt grinder is shown in Figure 4. The lifting and pressing mechanism is fixedly installed on the traverse mechanism; the lifting mechanism includes a lead screw 7 fixedly connected to the handwheel at one end, and a support frame 8 for the abrasive belt grinding head. , the left guide post and the right guide post 6; there are threaded holes on the support frame of the abrasive belt grinding head, which cooperate with the lead screw, and two through holes are arranged on both sides, which cooperate with the left and right guide posts to keep the support frame stable. Belt grinding head support frame is fixedly installed with abrasive belt grinding head device, motor 9, bevel gear; Rotating lead screw can move grinding head support frame to move up and down, realizes the lifting pressure of abrasive belt grinding head device.

The structural diagram of abrasive belt grinding head device is as shown in Figure 5, and abrasive belt grinding head device comprises abrasive belt 15, driving wheel 16, contact wheel 17, tension mechanism, abrasive belt cover 21; Tension mechanism comprises tension wheel 18, Support rod 19 and spring 20; Abrasive belt is wound on the outer circle of contact wheel, drive wheel, tensioner wheel successively. Pull the support rod to loosen the abrasive belt; loosen the support rod, and the support rod pushes the tensioning wheel to closely contact the abrasive belt under the action of spring force to tension the abrasive belt. During the grinding process, the abrasive belt will become looser and looser, and under the action of the tensioning mechanism, the abrasive belt can always be kept in tension. There is an abrasive belt protective cover 21 on the outside of the entire grinding head device to protect the worker's operation safety; a layer of rubber is coaxially arranged on the outer surface of the contact wheel, and the outer circle of the rubber layer is concave, and the curvature radius of the rubber layer is greater than the maximum curvature radius of the rail. .

When the above-mentioned rechargeable rail profiling abrasive belt grinder is in operation, first put the abrasive belt profiling grinder on the rail welding place, stretch the outrigger 21 to another rail; then start the motor 9, and then idle for 30 seconds to close the clutch to drive the drive The wheel rotates, and then drives the abrasive belt to rotate; jointly rotate the lead screw 4 and the lead screw 11, observe the digital display 14, deflect the grinding mechanism to the required grinding angle, adjust the lifting mechanism to apply pressure to the grinding head, pay attention to observe the grinding depth, and push The handrail makes the grinding machine move along the rail to complete the grinding of the angle area. The schematic diagram of the charging rail profiling belt grinding machine working at different grinding angles is shown in Figure 6; after the grinding is completed, the grinding device is raised and disconnected. Turn on the power, release the clutch, and restore the various mechanisms of the grinder to their original positions.

In summary, the rechargeable rail profiling abrasive belt grinder of the embodiment of the present invention uses the abrasive belt as the grinding tool and the battery as the power source. When the grinder is grinding, the battery drives the motor, and the motor drives the abrasive belt for grinding. During the grinding process, deflection, lateral movement and vertical feed in the deflection direction can be carried out around the rail to achieve ±90° grinding of the welded joints of the rail, the driving surface and the weld bead at the weld seam, and correct the profile of the rail head.

The charging type rail profiling abrasive belt grinding machine of the embodiment of the present invention adopts abrasive belt as the grinding tool, and the abrasive belt grinding is flexible grinding, which can reduce the influence of vibration on the surface quality of the processed rail, and the contact wheel adopts profiling contact wheel, so that The abrasive belt is concave, which can increase the contact area between the rail and the abrasive belt, and the grinding operation requirements of the entire profile of the rail can be achieved with less envelope times. Compared with grinding wheel grinding, the grinding operation efficiency is improved and the operator is lightened. Labor intensity. At the same time, the digital display reads the grinding angle and grinding depth in real time during the grinding process, and adjusts the grinding angle and grinding depth in time to achieve precise grinding of the grinding area; the tensioning mechanism is simple, the replacement of the abrasive belt is convenient, and the entire grinding process is easy to operate. It can be operated by a single person; the battery can be used as an energy source to avoid environmental pollution, and can truly realize efficient and environmentally friendly rail grinding operations.

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 (8)

1. a rechargeable steel rail profile belt grinder, it is characterised in that including: frame, guide wheel, motor, accumulator, cone tooth Wheel, semi-girder and belt sanding head unit, described semi-girder arranges running roller, and described guide wheel is arranged on before and after described frame lower end two On individual support zone, described bevel gear is connected in output shaft and the drive shaft of described belt sanding head unit of described motor respectively End, with clutch between described motor and described bevel gear, described accumulator powers to described motor, and described guide wheel is at rail Upper walking, steel rail welding line, as milling tools, is polished by the abrasive band arranged in described belt sanding head unit.

Rechargeable steel rail profile belt grinder the most according to claim 1, it is characterised in that described rechargeable rail is imitated Shape belt grinder also includes transverse-moving mechanism, angular deflection mechanism and lifting pressure exerting arrangement.

Rechargeable steel rail profile belt grinder the most according to claim 2, it is characterised in that be provided with in described frame Tilt platform, described angular deflection mechanism is arranged between described frame and described tilt platform, described angular deflection mechanism by Worm and gear forms, and described frame is provided with one end and fixes the vertical leading screw connecting handwheel, and described tilt platform one end is installed There is the worm gear coordinated with worm screw, rotate described handwheel and drive described worm gear wheel, and then realize the rotation of described tilt platform；Institute State and on tilt platform, be installed with described accumulator.

Rechargeable steel rail profile belt grinder the most according to claim 3, it is characterised in that described transverse-moving mechanism is fixed Being arranged on described tilt platform, described transverse-moving mechanism includes that the screwed cunning of leading screw and inside connecting handwheel is fixed in one end Block, described slide block is slidably matched with described tilt platform single-degree-of-freedom, rotates described handwheel and then drives described slide block to move.

Rechargeable steel rail profile belt grinder the most according to claim 4, it is characterised in that described lifting pressure exerting arrangement Being fixedly mounted on described transverse-moving mechanism, described lifting pressure exerting arrangement includes that the connection leading screw of handwheel, belt sanding are fixed in one end Head support, left guide pillar and right guide pillar, described belt sanding head support is provided with screwed hole, and this screwed hole is joined with leading screw Close, belt sanding head support is installed with belt sanding head unit, motor, bevel gear.

Rechargeable steel rail profile belt grinder the most according to claim 1, it is characterised in that described belt sanding head fills Putting and include abrasive band, driving wheel, contact wheel, strainer, abrasive band cover, described strainer includes regulating wheel, tensioning handle and bullet Spring, described abrasive band is wound on the cylindrical of described contact wheel, driving wheel, regulating wheel successively.

Belt sanding head unit the most according to claim 6, it is characterised in that coaxial on the periphery of described contact wheel Being provided with rubber layer, the cylindrical of described rubber layer is inner concavity, and the radius of curvature of described rubber layer is more than the maximum curvature of rail Radius.

Belt sanding head unit the most according to claim 1, it is characterised in that described rechargeable steel rail profile abrasive band is beaten Grinding machine also includes that character display, described character display are arranged on the upper end of described frame, and described character display shows to be beaten Angle lap degree and grinding depth.