CN112982047B - Hydraulic rail bender for railway track construction - Google Patents
Hydraulic rail bender for railway track construction Download PDFInfo
- Publication number
- CN112982047B CN112982047B CN202110207501.7A CN202110207501A CN112982047B CN 112982047 B CN112982047 B CN 112982047B CN 202110207501 A CN202110207501 A CN 202110207501A CN 112982047 B CN112982047 B CN 112982047B
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- China
- Prior art keywords
- rail
- rollers
- shaft
- rail bender
- arc groove
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/08—Bending, e.g. for straightening rails or rail joints
Abstract
The invention relates to the field of railway construction equipment, and discloses a hydraulic rail bender for railway track construction, which comprises a rail bender main body, wherein a limiting middle shaft is fixedly sleeved on the side surface of the rail bender main body, a first hydraulic cylinder close to one side of the limiting middle shaft is arranged at one end of the rail bender main body, a top plate is fixedly connected onto a piston rod of the first hydraulic cylinder, an arc groove located at the other side of the limiting middle shaft is formed in the rail bender main body, and a middle rotating shaft located at the circle center of the arc groove is movably sleeved on the rail bender main body. Through the set square structural design of rotation in the rail bender main part, utilize the rotatory crooked rail of exerting pressure of one corner of set square, cooperation circular arc groove carries on spacingly to two other corners of set square, makes the in-process of rail bending, and the effectual energy consumption that has avoided the curved rail of hydraulic drive increases, and makes the piston rod friction loss of pneumatic cylinder great easily, the problem of unable use to hydraulic rail bender's life has been improved.
Description
Technical Field
The invention relates to the field of railway construction equipment, in particular to a hydraulic rail bender for railway track construction.
Background
The hydraulic bender is a railway construction device for bending rails, is a common tool for bending rails during installation and maintenance, and applies pressure to the rails by one end of a piston rod through hydraulic pressure so that the rails are bent to a required angle, the labor intensity of workers is reduced, the working efficiency is improved, and the rail construction and maintenance quality is improved.
However, the conventional hydraulic rail bender directly pushes a rail to bend from one side of the rail, the piston rod of the hydraulic cylinder is subjected to reaction force towards the direction of the cylinder body by the reaction force after the rail is bent and is also subjected to component force perpendicular to the direction of the cylinder body, so that the friction loss between the piston rod and the cylinder body at the side is increased, the energy consumption of hydraulic driving rail bending is increased, the friction loss of the piston rod of the hydraulic cylinder is easily large and the hydraulic cylinder cannot be used, the service life of the hydraulic rail bender is prolonged, and the rail is pushed to bend by the vertical rail, so that the subsequent rail bending is large in pressure application force and small in bending radian, and the rail can be bent to a required angle by more times of rail bending work.
Disclosure of Invention
The invention provides a hydraulic rail bender for railway track construction, which has the advantages of difficult abrasion of a hydraulically driven piston rod, long service life and high working efficiency, and solves the technical problems in the background art.
In order to realize the purpose, the invention provides the following technical scheme to realize the purpose: the utility model provides a hydraulic pressure rail bender for railway rails is built, includes the rail bender main part, the fixed cover in side of rail bender main part is equipped with spacing axis, the one end of rail bender main part is equipped with the first pneumatic cylinder that is close to spacing axis one side, and fixedly connected with roof on the piston rod of first pneumatic cylinder, set up the circular arc groove that is located spacing axis opposite side in the rail bender main part, and the movable sleeve is equipped with the middle pivot that is located circular arc groove centre of a circle department in the rail bender main part, the fixed set has the set-square that is located the circular arc inslot in the middle pivot, the plane shape of set-square is equilateral triangle, the fixed cover is respectively equipped with two rollers and a rotating pressure shaft in the three outer corner of set-square, and rotating pressure shaft is located the outside of rail bender main part, and two are located roller circular arc inslots, two equal bearing cover is equipped with the roller on roller and the rotating pressure shaft, and the inner wall swing joint in circular arc groove on two rollers, the top of middle pivot is equipped with the worm wheel, be equipped with the worm wheel in the rail bender main part, be equipped with the location mounting panel of keeping away from first pneumatic cylinder one side of first pneumatic cylinder one side, and the side fixed mounting panel of location, the second pneumatic cylinder, the worm wheel is connected with the worm along the worm gear along the external toothing of fixed connection of worm of the worm of piston shaft.
Optionally, the fixed cover is equipped with the limited axle that is located middle pivot both sides in the railer main part, and two limited axles all are located the outside of circular arc groove one side, two fixed cover is equipped with L type limiting plate on the limited axle, and the right angle of L type limiting plate is in middle pivot activity and cup joints, equal fixedly connected with spacing layer board on two right angle edges of L type limiting plate, spacing layer board cup joints with the worm activity.
Optionally, the bearings between the roller and the rotating pressing shaft and between the roller and the rotating balancing shaft are roller bearings, the number of the rollers on the two rotating balancing shafts and the number of the rollers on one rotating pressing shaft are two, and every two rollers are respectively located above and below the triangular plate.
Optionally, the top end of the middle rotating shaft is in transmission connection with a torque multiplier located above the L-shaped limiting plate, and an output shaft of the torque multiplier is in transmission connection with the worm gear.
The invention provides a hydraulic rail bender for railway track construction, which has the following beneficial effects:
1. this a hydraulic pressure rail bender for railway rails is built, through the set-square structural design of rotation in the rail bender main part, utilize the rotatory crooked rail of exerting pressure in one corner of set-square, cooperation circular arc groove is spacing to the other two corners of set-square, make the in-process of rail bending, the piston rod of second hydraulic cylinder only receives the reverse reaction force towards the cylinder body, compare in the crooked scheme of present rail bender from one side direct push rail of rail, the effectual reaction force of having avoided the crooked back of rail makes the piston rod of second hydraulic cylinder not only receive the reaction force towards the cylinder body direction, still receive with cylinder body direction vertically component, thereby make the friction loss between this side piston rod and cylinder body increase, lead to the energy consumption increase of hydraulic drive rail bending, and make the piston rod friction loss of pneumatic cylinder great easily, the problem that can't use, thereby the life of hydraulic pressure rail bender has been improved.
2. This a hydraulic pressure rail bending ware for railway rails is built, through the mode that the roller is rotatory around middle pivot, extrude the rail and make it warp the in-process, the roller has moved towards spacing axis, it is big and crooked radian is little to promote the follow-up rail pressure of exerting pressure that leads to crooked in current perpendicular rail than, the rail work that needs more times just can be crooked to the needs angle with the rail, the radian of single curved rail has been improved, and then the curved rail number of times has been reduced, the efficiency of curved rail work has been improved.
Drawings
FIG. 1 is a schematic view of a hydraulic rail bender in a flat laying rail driving configuration;
fig. 2 is a schematic sectional view taken from a-a of fig. 1 according to the present invention.
In the figure: 1. a rail bender body; 101. an arc groove; 102. defining an axis; 103. an L-shaped limiting plate; 104. a limiting supporting plate; 2. limiting the middle shaft; 3. a first hydraulic cylinder; 4. a top plate; 5. an intermediate rotating shaft; 501. a worm gear; 502. a torque multiplier; 6. a set square; 7. rotating the pressing shaft; 8. rotating the balance shaft; 9. a roller; 10. positioning the mounting plate; 11. a second hydraulic cylinder; 12. a worm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a hydraulic rail bender for railway track construction comprises a rail bender body 1, a limit middle shaft 2 is fixedly sleeved on the side surface of the rail bender body 1, a first hydraulic cylinder 3 close to one side of the limit middle shaft 2 is arranged at one end of the rail bender body 1, a top plate 4 is fixedly connected to a piston rod of the first hydraulic cylinder 3, an arc groove 101 located at the other side of the limit middle shaft 2 is arranged on the rail bender body 1, a middle rotating shaft 5 located at the center of the arc groove 101 is movably sleeved on the rail bender body 1, a triangular plate 6 located in the arc groove 101 is fixedly sleeved on the middle rotating shaft 5, the planar shape of the triangular plate 6 is an equilateral triangle, two rollers 9 and a rotary pressing shaft 7 are respectively fixedly sleeved on three outer corners of the triangular plate 6, the rotary pressing shaft 7 is located at the outer side of the rail bender body 1, the two rollers 9 are located in the arc groove 101, the two rollers 9 and one rotary pressure shaft 7 are respectively sleeved with the rollers 9 in a bearing way, the rollers 9 on the two rollers 9 are movably connected with the inner wall of the arc groove 101, the top end of the middle rotating shaft 5 is provided with a worm wheel 501, the rail bender main body 1 is provided with a positioning mounting plate 10 far away from one side of the first hydraulic cylinder 3, the side surface of the positioning mounting plate 10 is fixedly provided with a second hydraulic cylinder 11, one end of a piston shaft of the second hydraulic cylinder 11 is fixedly connected with a worm 12, the outer edge of the worm 12 is meshed with the outer edge of the worm wheel 501, when the rail bender is used, the rail bender main body 1 is placed on one side of a rail needing rail bending, the limiting center shaft 2 is positioned on the other side of the rail, the state that the limiting center shaft 2 is contacted with the other side of the rail is kept, then the first hydraulic cylinder 3 is started, the piston rod is extended to drive the top plate 4 to move and be attached to one side of the rail, and then the second hydraulic cylinder 11 is started to drive the worm 12 to move, the worm wheel 501 drives the middle rotating shaft 5 to rotate, so that the triangular plate 6 integrally rotates, the rollers 9 on the rotating pressing shaft 7 press the rail, the rail bends towards one side of the limiting middle shaft 2 with the limiting middle shaft 2 as a base point, the rollers 9 on the two rollers 9 are always kept in a limiting state by utilizing the inner wall of the arc groove 101, the centripetal force component of the reaction force of the rail on the rollers 9 is borne, the centrifugal force component of the rail on the rollers 9 is borne, the rollers 9 have the tendency of rotating around the middle rotating shaft 5, the rotation of the middle rotating shaft 5 is limited and borne by the rollers 9 and the worm 12, so that the triangular plate 6 is driven to rotate, the rollers 9 on the rotating pressing shaft 7 act on the rail, and in the process of bending the rail, the piston rod of the second hydraulic cylinder 11 only bears the reaction force in the direction towards the cylinder body, compared with the scheme that the existing rail bender directly pushes the rail to bend the rail from one side of the rail, the problems that the piston rod of the second hydraulic cylinder 11 is not only subjected to the reaction force towards the cylinder body direction but also subjected to component force perpendicular to the cylinder body direction due to the reaction force after the rail is bent, so that the friction loss between the piston rod at the side and the cylinder body is increased, the energy consumption of hydraulic driving rail bending is increased, the friction loss of the piston rod of the hydraulic cylinder is large, and the hydraulic rail bender cannot be used are effectively solved, the service life of the hydraulic rail bender is influenced, in addition, in the process of extruding the steel rail to deform through the mode that the roller 9 rotates around the middle rotating shaft 5, the roller 9 moves towards the limiting middle shaft 2, compared with the conventional method that the rail is pushed to be bent by the vertical rail, the subsequent rail bending pressure is large, the bending radian is small, and the rail can be bent to a required angle by more times of rail bending work, the radian of the single bent rail is improved, the rail bending times are reduced, and the rail bending work efficiency is improved.
Wherein, fixed cover is equipped with the limited axle 102 that is located 5 both sides of middle pivot on the railer main part 1, and two limited axles 102 all are located the outside of circular arc groove 101 one side, fixed cover is equipped with L type limiting plate 103 on two limited axles 102, and the right angle of L type limiting plate 103 is in middle pivot 5 activity and cup joints, equal fixedly connected with limiting support plate 104 on two right angle edges of L type limiting plate 103, limiting support plate 104 cup joints with worm 12 activity, it is spacing to middle pivot 5 in circular arc groove 101 top through L type limiting plate 103 on the limited axle 102, the stability of middle pivot 5 atress has been improved, and then the overall stability of hydraulic pressure railer during operation is improved.
The bearings between the rollers 9 and the rotary pressing shafts 7 and between the rollers 9 and the rotary balance shafts 8 are roller bearings, the number of the rollers 9 on the two rotary balance shafts 8 and one rotary pressing shaft 7 is two, every two rollers 9 are respectively positioned above and below the triangular plate 6, the rollers 9 passing through the ball bearings are not easy to wear when the rollers 9 receive the reaction force of the rail, the service life of the bearings is prolonged, and further frequent replacement of the bearings is avoided, so that the normal and stable work of the hydraulic rail bender is ensured.
Wherein, the top transmission of middle pivot 5 is connected with the torque multiplier 502 that is located L type limiting plate 103 top, and the output shaft and the worm wheel 501 transmission of torque multiplier 502 are connected, through the transmission of torque multiplier 502 for the rotatory torque resistance of pivot 5 reduces in the middle of worm 12 drive, thereby reduced the hydraulic pressure force of pivot 5 overall revolution in the middle of the drive, can also keep sufficient revolving force output, make roller 9 around the rotatory crooked rail that carries out of middle pivot 5, and then reduced the energy consumption.
When the rail bender works, firstly, the rail bender body 1 is placed on one side of a rail needing rail bending, the limiting middle shaft 2 is located on the other side of the rail, the state that the limiting middle shaft 2 is in contact with the other side of the rail is kept, then the first hydraulic cylinder 3 is started, the piston rod extends to drive the top plate 4 to move and attach to one side of the rail, then the second hydraulic cylinder 11 is started to drive the worm 12 to move, the worm wheel 501 drives the middle rotating shaft 5 to rotate, the triangular plate 6 integrally rotates, the roller 9 on the rotating pressing shaft 7 is further made to press the rail, the rail is bent towards one side of the limiting middle shaft 2 by taking the limiting middle shaft 2 as a base point, the rollers 9 on the two rollers 9 are always kept in a limiting state by utilizing the inner wall of the arc groove 101, the centripetal force component of the reaction force of the rail on the rollers 9 is borne, the centrifugal force component of the rail on the rollers 9 is made to enable the rollers 9 to have the tendency of rotating around the middle rotating shaft 5, and the rollers 9 and the worm 12 are used for limiting the rotation of the middle rotating shaft 5 to be bent again according to the steps until the rail is borne by a certain angle, so that the rail is bent to be a proper radian, namely the rail.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a hydraulic pressure rail bender for railway rails is built, includes rail bender main part (1), and the side fixed mounting of rail bender main part (1) is equipped with spacing axis (2), the one end of rail bender main part (1) is equipped with first pneumatic cylinder (3) that are close to spacing axis (2) one side, and fixedly connected with roof (4), its characterized in that on the piston rod of first pneumatic cylinder (3): the hydraulic cylinder bending device is characterized in that an arc groove (101) located on the other side of the limiting middle shaft (2) is formed in the rail bender body (1), an intermediate rotating shaft (5) located at the circle center of the arc groove (101) is movably sleeved on the rail bender body (1), a triangular plate (6) located in the arc groove (101) is fixedly sleeved on the intermediate rotating shaft (5), the planar shape of the triangular plate (6) is an equilateral triangle, two rollers (9) and a rotating pressing shaft (7) are fixedly sleeved on three outer corners of the triangular plate (6) respectively, the rotating pressing shaft (7) is located on the outer side of the rail bender body (1), the two rollers (9) are located in the arc groove (101), the two rollers (9) and the rotating pressing shaft (7) are provided with the rollers (9) respectively, the rollers (9) on the two rollers (9) and the rotating pressing shaft (7) are movably connected with the inner wall of the arc groove (101), the top end of the intermediate rotating shaft (5) is provided with a worm wheel (501), a positioning mounting plate (10) located on one side of the first hydraulic cylinder (3) is connected with a second hydraulic cylinder (11), and a second hydraulic cylinder (11) is connected with an outer piston (11) along the outer side of the second hydraulic cylinder (11), the device is characterized in that limiting shafts (102) located on two sides of a middle rotating shaft (5) are fixedly sleeved on a rail bender body (1), two limiting shafts (102) are located outside one side of an arc groove (101), two L-shaped limiting plates (103) are fixedly sleeved on the limiting shafts (102), right angles of the L-shaped limiting plates (103) are located in the middle of the rotating shaft (5) and movably sleeved, two right-angle edges of the L-shaped limiting plates (103) are fixedly connected with limiting support plates (104), the limiting support plates (104) are movably sleeved with a worm (12), bearings between the rollers (9) and the rotating pressing shafts (7) and the rotating balancing shafts (8) are roller bearings, the number of the rollers (9) on the two rotating balancing shafts (8) and the number of the rollers (9) on one rotating pressing shaft (7) are two, every two rollers (9) are located above and below a triangular plate (6), a torque multiplier (502) located above the L-shaped limiting plates (103) is connected to the top end transmission of the middle rotating shaft (5), and an output shaft of the torque multiplier (502) is connected with a worm wheel (501) and the transmission output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207501.7A CN112982047B (en) | 2021-02-25 | 2021-02-25 | Hydraulic rail bender for railway track construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207501.7A CN112982047B (en) | 2021-02-25 | 2021-02-25 | Hydraulic rail bender for railway track construction |
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| Publication Number | Publication Date |
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| CN112982047A CN112982047A (en) | 2021-06-18 |
| CN112982047B true CN112982047B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110207501.7A Active CN112982047B (en) | 2021-02-25 | 2021-02-25 | Hydraulic rail bender for railway track construction |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2937227Y (en) * | 2006-07-21 | 2007-08-22 | 李保国 | Double-hook hydraulic horizontal rail bender |
| CN102493294A (en) * | 2011-12-19 | 2012-06-13 | 山西焦煤集团有限责任公司 | Hydraulic bending machine for steel rails |
| JP2014114626A (en) * | 2012-12-11 | 2014-06-26 | Nikkari Co Ltd | Bending device for rail for simple vehicle |
| JP6373090B2 (en) * | 2014-06-30 | 2018-08-15 | 東日本旅客鉄道株式会社 | Curve straightening rail bender |
| CN204455741U (en) * | 2015-02-05 | 2015-07-08 | 中铁一局集团有限公司 | A kind of bent on site rail hydraulic rail bender |
| CN206143546U (en) * | 2016-10-28 | 2017-05-03 | 南京铁道职业技术学院 | Rail bender |
| CN209407909U (en) * | 2018-11-27 | 2019-09-20 | 天津晟科机械制造有限公司 | A kind of adjustable bending machine of component of machine processing |
| CN109355987A (en) * | 2018-11-28 | 2019-02-19 | 中铁重工有限公司 | Groove-shape rail bending track device and method |
| CN209907128U (en) * | 2019-04-19 | 2020-01-07 | 兰州交通大学 | Hydraulic rail bender for railway traffic rails |
| CN111206464A (en) * | 2020-01-13 | 2020-05-29 | 詹良蓉 | Railway hydraulic steel rail stretcher |
| CN212310502U (en) * | 2020-04-21 | 2021-01-08 | 浙江华田不锈钢制造有限公司 | Hydraulic bending machine for stainless steel seamless steel pipe |
| CN111482538A (en) * | 2020-05-13 | 2020-08-04 | 福州市长乐区斯亚特科技有限公司 | Reinforcing steel bar bending and shearing machine |
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2021
- 2021-02-25 CN CN202110207501.7A patent/CN112982047B/en active Active
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Effective date of registration: 20221122 Address after: No. 666 Hangkong Road, High tech Zone, Jianhu County, Yancheng City, Jiangsu Province 224700 Applicant after: Jianhu Shuanghu Machinery Co.,Ltd. Address before: 075000 No.4, row 1, family room of Finance Bureau, Changsheng West Street, Xicheng Town, Yangyuan County, Zhangjiakou City, Hebei Province Applicant before: Zhang Kaiyu |
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