阅读说明：本技术 一种波纹轨腰翼轨万能轧机 (Universal rolling mill for corrugated rail web and wing rail ) 是由 董永刚 张京城 张晋府 尚虎城 潘恒志 董文杰 时迎港 王栋 于 2021-10-09 设计创作，主要内容包括：本发明涉及一种波纹轨腰翼轨万能轧机,包括机架、机架底座、端盖、轨头立辊、轨底立辊、一对齿形辊、轴承座、轧辊平移系统和驱动系统；机架底座固定在机架底部；机架上部为十字形结构,十字形结构的端面上设置有十字形通孔；轨头立辊和轨底立辊分别纵向设置在十字形通孔的上下两侧通孔内；一对齿形辊横向对称设置在十字形通孔的左右两侧通孔内；端盖对应固定连接在十字形结构的前侧；轨头立辊和轨底立辊分别通过轧辊平移系统纵向滑动连接在机架和端盖之间；齿形辊分别通过轧辊平移系统横向滑动连接在机架和端盖之间；所述驱动系统设置在机架上部的两侧,分别与一对齿形辊连接。本发明可生产出不同宽度和厚度的波纹轨腰翼轨,具有效率高、能耗低、操作简便加工尺寸范围大等明显的优点。(The invention relates to a corrugated rail waist wing rail universal rolling mill which comprises a rack, a rack base, an end cover, a rail head vertical roller, a rail bottom vertical roller, a pair of tooth-shaped rollers, a bearing seat, a roller translation system and a driving system, wherein the rack base is arranged on the rack; the frame base is fixed at the bottom of the frame; the upper part of the frame is of a cross structure, and the end surface of the cross structure is provided with a cross through hole; the rail head vertical roller and the rail bottom vertical roller are respectively and longitudinally arranged in through holes at the upper side and the lower side of the cross-shaped through hole; the pair of toothed rollers are transversely and symmetrically arranged in the through holes on the left side and the right side of the cross-shaped through hole; the end cover is correspondingly and fixedly connected to the front side of the cross-shaped structure; the rail head vertical roller and the rail bottom vertical roller are longitudinally connected between the rack and the end cover in a sliding manner through a roller translation system respectively; the toothed rollers are respectively connected between the rack and the end cover in a transverse sliding manner through a roller translation system; the driving system is arranged on two sides of the upper part of the frame and is respectively connected with the pair of toothed rollers. The invention can produce the corrugated rail waist wing rail with different widths and thicknesses and has the obvious advantages of high efficiency, low energy consumption, simple operation, large processing size range and the like.)

1. The utility model provides a corrugated rail waist wing rail universal mill which characterized in that: the rolling mill comprises a rack, a rack base, an end cover, a rail head vertical roll, a rail bottom vertical roll, a pair of tooth-shaped rolls, a bearing seat, a roll translation system and a driving system; the rack base is fixedly connected to two sides of the bottom of the rack; the upper part of the rack is of a cross structure, and a cross through hole is formed in the end face of the cross structure; the rail head vertical roller and the rail bottom vertical roller are respectively and longitudinally arranged in through holes at the upper side and the lower side of the cross-shaped through hole, and the pair of tooth-shaped rollers are transversely and symmetrically arranged in the through holes at the left side and the right side of the cross-shaped through hole; the end covers are respectively and correspondingly fixedly connected to the front side of the cross-shaped structure, and strip-shaped through holes corresponding to the vertical rollers and the toothed rollers are respectively arranged in the middle of each end cover; bearing seats and shafts are respectively arranged on two sides of the axle centers of the railhead vertical roll, the railbase vertical roll and the toothed roll; the bearing seats on the two sides of the railhead vertical roll and the railbase vertical roll are longitudinally and slidably connected between the through holes on the upper side and the lower side of the cross-shaped through hole and the corresponding end covers through a roll translation system respectively; bearing blocks on two sides of the toothed roller are respectively connected between the through holes on the left side and the right side of the cross-shaped through hole and the corresponding end covers in a transverse sliding mode through a roller translation system; the driving systems are respectively arranged on two sides of the upper part of the frame and are respectively connected with the shafts of the pair of toothed rollers.

2. A corrugated rail waist wing rail universal mill as claimed in claim 1, wherein: the roller translation system comprises a bearing seat connecting piece, a hydraulic cylinder, a reversing valve, a hydraulic pump, an oil tank and a hydraulic oil pipe; the bearing seat connecting piece is of a U-shaped structure, connecting grooves are formed in two sides of the opening end, and the middle of the closed end is in threaded fit connection with a piston of a hydraulic cylinder through a threaded rod; the hydraulic pump is connected with the hydraulic cylinder through a hydraulic oil pipe; the reversing valve is connected between the hydraulic pump and the hydraulic cylinder; the oil tank is connected with the hydraulic pump through a hydraulic oil pipe; the roll translation systems are respectively arranged at four end parts of the cross structure and are respectively fixedly connected with the rail head vertical roll, the rail bottom vertical roll and the bearing seats at two sides of the toothed roll through connecting grooves.

3. A corrugated rail waist wing rail universal mill as claimed in claim 1, wherein: the driving system comprises a motor, a speed reducer and a universal coupling; the output end of the motor is connected with the input end of the speed reducer; the universal coupling is connected with the output end of the speed reducer; the universal coupling is correspondingly connected with a shaft at the axle center of the toothed roller.

4. A corrugated rail waist wing rail universal mill as claimed in claim 1, wherein: the roller body of the toothed roller is formed by smoothly and excessively connecting circular arcs at two ends and two straight lines, and the toothed roller is designed in a stepped shaft mode, so that certain strength and rigidity can be guaranteed under the condition that the diameter of the toothed roller is larger and the diameter of the toothed roller is smaller.

5. A corrugated rail waist wing rail universal mill as claimed in claim 1, wherein: the axes of the rail head vertical roller and the rail bottom vertical roller are designed to be in a staggered mode.

Technical Field

The invention relates to the technical field of rolling forming of corrugated rail waist wing rails, in particular to a universal rolling mill for corrugated rail waist wing rails.

Background

The turnout is used as important infrastructure of a railway track, is one of important track components for switching a railway locomotive from one track to another track, and the road frog is composed of a wing rail and a point rail, so that the turnout and two crossed tracks are crossed on a plane and a member for branching a train passage is realized, the section of the wing rail is different from that of a steel rail, and the central lines of a rail head, a rail waist and a rail bottom are not superposed with each other. The wing rail has the function of ensuring that the locomotive wheels safely pass through the intersection of the two steel rails and have certain bending resistance and torsional strength, and the corrugated rail web wing rail has higher bending resistance, torsional strength, rigidity and shock and vibration resistance compared with the common wing rail. The corrugation of the existing corrugated web steel rail at the web part is in a continuous and uninterrupted corrugation shape, while the corrugated web wing rail related to the patent is in the web part and is formed by arc corrugation and a section of straight line smoothness, the corrugation part shows good mechanical property, and the steel rail is connected conveniently by a straight line prescription. In the rolling process of the corrugated rail waist wing rail, a billet is placed into gaps among four preset rollers, and the corrugated rail waist wing rail with different widths and thicknesses required by a production place can be produced by adjusting the gaps of the toothed roller system and the vertical roller system. At present, the existing rolling equipment for the corrugated rail web wing rail does not exist, is limited to the research of corrugated web H-shaped steel and the like, cannot be fully adapted to the new forming technology firstly, and is difficult to apply to actual production equipment because the shape of the roller is greatly different from that of the traditional roller. If the roller of the traditional rolling mill is improved on the basis of the existing theoretical research, the rolled corrugated rail web wing rail not only has higher bending resistance, torsional strength, rigidity and impact vibration resistance, but also can greatly improve the bearing capacity of the wing rail, so that the overall mechanical property of the wing rail is further improved.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a universal rolling mill for corrugated rail waist wing rails, which can produce wing rails with different widths and thicknesses and has the obvious advantages of high efficiency, low energy consumption, simple operation, wide processing size range and the like.

The technical scheme adopted by the invention is as follows:

the invention provides a corrugated rail waist wing rail universal rolling mill which comprises a rack, a rack base, an end cover, a rail head vertical roller, a rail bottom vertical roller, a pair of tooth-shaped rollers, a bearing seat, a roller translation system and a driving system, wherein the rack is arranged on the rack base; the rack base is fixedly connected to two sides of the bottom of the rack; the upper part of the rack is of a cross structure, and a cross through hole is formed in the end face of the cross structure; the rail head vertical roller and the rail bottom vertical roller are respectively and longitudinally arranged in through holes at the upper side and the lower side of the cross-shaped through hole, and the pair of tooth-shaped rollers are transversely and symmetrically arranged in the through holes at the left side and the right side of the cross-shaped through hole; the end covers are respectively and correspondingly fixedly connected to the front side of the cross-shaped structure, and strip-shaped through holes corresponding to the vertical rollers and the toothed rollers are respectively arranged in the middle of each end cover; bearing seats and shafts are respectively arranged on two sides of the axle centers of the railhead vertical roll, the railbase vertical roll and the toothed roll; the bearing seats on the two sides of the railhead vertical roll and the railbase vertical roll are longitudinally and slidably connected between the through holes on the upper side and the lower side of the cross-shaped through hole and the corresponding end covers through a roll translation system respectively; bearing blocks on two sides of the toothed roller are respectively connected between the through holes on the left side and the right side of the cross-shaped through hole and the corresponding end covers in a transverse sliding mode through a roller translation system; the driving systems are respectively arranged on two sides of the upper part of the frame and are respectively connected with the shafts of the pair of toothed rollers.

Further, the roller translation system comprises a bearing seat connecting piece, a hydraulic cylinder, a reversing valve, a hydraulic pump, an oil tank and a hydraulic oil pipe; the bearing seat connecting piece is of a U-shaped structure, connecting grooves are formed in two sides of the opening end, and the middle of the closed end is in threaded fit connection with a piston of a hydraulic cylinder through a threaded rod; the hydraulic pump is connected with the hydraulic cylinder through a hydraulic oil pipe; the reversing valve is connected between the hydraulic pump and the hydraulic cylinder; the oil tank is connected with the hydraulic pump through a hydraulic oil pipe; the roll translation systems are respectively arranged at four end parts of the cross structure and are respectively fixedly connected with the rail head vertical roll, the rail bottom vertical roll and the bearing seats at two sides of the toothed roll through connecting grooves.

Further, the driving system comprises a motor, a speed reducer and a universal coupling; the output end of the motor is connected with the input end of the speed reducer; the universal coupling is connected with the output end of the speed reducer; the universal coupling is correspondingly connected with a shaft at the axle center of the toothed roller.

Furthermore, the roller body of the toothed roller is formed by smoothly and excessively connecting circular arcs at two ends and two straight lines, and the toothed roller is designed in a stepped shaft mode, so that certain strength and rigidity can be ensured under the condition that the diameter of the toothed roller is larger and the diameter of the shaft is smaller.

Further, the axes of the rail head vertical roller and the rail bottom vertical roller are designed to be in a staggered mode.

Compared with the prior art, the invention has the following beneficial effects:

the wing rail web rolled by the invention is a corrugated web, the common wing rail has certain bending resistance and torsional strength, and the corrugated web wing rail has higher bending resistance, torsional strength, rigidity and shock vibration resistance compared with the common wing rail. The corrugation of the existing corrugated web steel rail at the web part is in a continuous and uninterrupted corrugation shape, while the corrugated web wing rail related to the method is in the web part and is formed by arc corrugation and a section of straight line smoothness transition, the corrugation part shows good mechanical property, and the steel rail is conveniently connected by a straight line prescription. Has the obvious advantages of high efficiency, low energy consumption, simple operation, large processing size range and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear side schematic view of the structure of FIG. 1;

FIG. 3 is a schematic illustration of an explosive structure of the present invention;

FIG. 4 is a schematic view of the construction of the toothed roll;

FIG. 5 is a schematic view showing an assembling structure of the spur roller and the vertical roller;

FIG. 6 is a schematic view of the arrangement of the toothed roller and the drive system;

FIG. 7 is a schematic view of the configuration of the connection of the toothed roll to the roll translation system;

FIG. 8 is a schematic view of the connection of the rail-bottom vertical rolls with the roll translation system;

FIG. 9 is a schematic view of a portion of the frame;

fig. 10 is a schematic structural view of the end cap.

Wherein, the reference numbers: 1-a frame; 2-a frame base; 3-end cover; 4-railhead vertical rolls; 5-rail bottom vertical roller; 6-a toothed roll; 7-bearing seats; 8-a roll translation system; 9-a drive system; 10-axis; 81-bearing block connection; 82-hydraulic cylinder; 83-a reversing valve; 84-a hydraulic pump; 85-oil tank; 86-hydraulic oil pipe; 811-connecting grooves; 812-a threaded rod; 91-a motor; 92-a reducer; 93-universal joint.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

It should be noted that in the description of the present invention, the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured and operated in a specific orientation.

Referring to fig. 1 to 10, a specific structure of an embodiment of the universal rolling mill for corrugated rail web wing rails according to the present invention is shown. The rolling mill comprises a stand 1, a stand base 2, an end cover 3, a rail head vertical roll 4, a rail bottom vertical roll 5, a pair of tooth rolls 6, a bearing seat 7, a roll translation system 8 and a driving system 9.

The rack base 2 is fixedly connected to two sides of the bottom of the rack 1; the upper part of the frame 1 is of a cross structure, and the end surface of the cross structure is provided with a cross through hole; the rail head vertical roll 4 and the rail bottom vertical roll 5 are respectively and longitudinally arranged in through holes at the upper side and the lower side of the cross-shaped through hole, and the axes of the rail head vertical roll 4 and the rail bottom vertical roll 5 are designed to be in a staggered mode, so that a wing rail of a corrugated rail web can be rolled when the four rolls work in a matched mode; the rail head vertical roller 4 and the rail bottom vertical roller 5 form a counter roller system; the pair of toothed rollers 6 are respectively transversely and symmetrically arranged in the through holes on the left side and the right side of the cross-shaped through hole; in order to roll the steel rail with higher strength, rigidity and stability, the roller body of the toothed roller 6 is formed by smoothly and excessively connecting two end arcs and two straight lines, so that the rail web of the rolled steel rail is a corrugated rail web, and the mechanical property of the steel rail is higher than that of a common steel rail and the steel rail is convenient to connect and fix; the toothed roller 6 is designed in a stepped shaft mode, so that certain strength and rigidity can be ensured under the condition that the diameter of the toothed roller is larger and the diameter of the shaft is smaller, and the service life of the toothed roller 6 is prolonged; the toothed rollers 6 form a pair of toothed roller systems; the vertical roller system and the toothed roller system are arranged in the same plane, the toothed roller system is used for controlling the thickness of the produced steel rail and providing rolling force, and the vertical roller system is used for controlling the width of the produced steel rail and providing rolling force.

Four groups of end covers 3 are arranged and are respectively and correspondingly fixedly connected to the front side of the cross structure of the frame 1, strip-shaped through holes corresponding to the rail head vertical roller 4, the rail bottom vertical roller 5 and the tooth-shaped roller 6 are respectively arranged in the middle of each end cover 3, and the inner ends of the strip-shaped through holes are all in a penetrating mode; two sides of the axle center of the railhead vertical roll 4, the railfoot vertical roll 5 and the tooth-shaped roll 6 are respectively provided with a bearing seat 7 and a shaft 10; the bearing seats 7 on two sides of the railhead vertical roll 4 and the railbase vertical roll 5 are longitudinally and slidably connected between through holes on the upper side and the lower side of the cross-shaped through hole and the strip-shaped through hole of the corresponding end cover 3 through a roll translation system 8 respectively; the bearing seats 7 on the two sides of the toothed roller 6 are respectively connected between the through holes on the left and right sides of the cross-shaped through hole and the strip-shaped through hole of the corresponding end cover 3 in a transverse sliding manner through a roller translation system 8; the driving systems 9 are respectively arranged at two sides of the upper part of the frame 1 and are respectively correspondingly connected with the shafts 10 of the toothed rollers 6 at two sides.

The roll translation system 8 comprises a bearing seat connecting piece 81, a hydraulic cylinder 82, a reversing valve 83, a hydraulic pump 84, an oil tank 85 and a hydraulic oil pipe 86; the bearing seat connecting piece 81 is of a U-shaped structure, the two sides of the opening end are respectively provided with a connecting groove 811, and the middle part of the closed end is in threaded fit connection with the piston of the hydraulic cylinder 82 through a threaded rod 812; the hydraulic pump 84 is connected with the hydraulic cylinder 82 through a hydraulic oil pipe 86; the directional valve 83 is connected between the hydraulic pump 84 and the hydraulic cylinder 82; the oil tank 85 is connected with the hydraulic pump 84 through a hydraulic oil pipe 86; the roll translation systems 8 are respectively arranged at four ends of a cross structure at the upper part of the frame 1 and are respectively fixedly connected with the rail head vertical roll 4, the rail bottom vertical roll 5 and the bearing seats 7 at two sides of the toothed roll 6 through connecting grooves 811. The reciprocating telemechanical action of the piston of the hydraulic cylinder 82 can drive the bearing seat 7 to translate through the bearing seat connecting piece 81 so as to drive the corresponding roller to translate, and further adjust the size of the seam to roll wing rails with different widths and thicknesses.

In this embodiment, two sides of the through hole of each roller on the frame 1 are provided with corresponding slideways, so that the bearing seat of the roller can move linearly in the slideways, and each roller is provided with a corresponding end cover 3, and the contact part of the end cover 3 and the bearing seat 7 is also provided with the slideways correspondingly, so that the bearing seat 7 moves linearly in the double slideways, and has certain stability; the end cover 3 and the frame 1 are two separated parts, so that the roller is convenient to maintain, and is convenient, safe and reliable to disassemble and assemble.

The driving system 9 comprises a motor 91, a speed reducer 92 and a universal coupling 93; the output end of the motor 91 is connected with the input end of the speed reducer 92; the universal coupling 93 is connected with the output end of the speed reducer 92; the universal coupling 93 is correspondingly connected with the shaft 10 at the axle center of the toothed roller 6. The pair of toothed rollers 6 are connected with a speed reducer 92 with a motor 91 for providing torque through a universal coupling 93, the universal coupling 93 can ensure that power can be transmitted when an output shaft of the speed reducer 92 and the axis of the toothed rollers 6 have a certain swing angle, and once a steel billet is placed, the rail head vertical roller 4 and the rail bottom vertical roller 5 can be driven under the driving of the two toothed rollers 6, so that synchronous rotation is realized. Two identical pairs of speed reducers 92 with motors 91 are used as drive systems in order to allow the two toothed rollers 6 to move synchronously. In order to provide the two pairs of rolls with freedom to move laterally and longitudinally respectively, the width and thickness of the rail are varied by means of a roll translation system 8 connected to the rolls.

The working principle of the invention is as follows: the toothed roller 6 is driven and synchronously rotated by a pair of identical speed reducers 92 with motors 91; the toothed roller system is used for controlling the thickness of the rolled wing rail and providing rolling force, and the vertical roller system is used for controlling the width of the rolled wing rail and providing rolling force. The toothed rollers 6 are connected with a speed reducer with a motor through a universal coupling to realize driving, the universal coupling can ensure that the driving can be realized when an output shaft of the speed reducer and a toothed roller shaft have a certain swing angle, and once a billet is placed, the rail head vertical roller 4 and the rail bottom vertical roller 5 can realize driven under the driving of the two toothed rollers 6; the roll translation system 8 of four tip of frame 1 is connected with each roll through bearing frame connecting piece 81, and bearing frame connecting piece 81 one end is equipped with the spread groove and is connected with roll chock 7, and the other end is equipped with the piston screw-thread fit connection of threaded rod 812 and pneumatic cylinder 82 for the reciprocal telemechanical of piston can drive the translation of bearing frame 7 and then drive the roll translation that corresponds through bearing frame connecting piece 81, and then adjusts the size of pricking seam and roll the corrugated rail waist wing rail of different width and thickness.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.