CN112982047A - Hydraulic rail bender for railway track construction - Google Patents
Hydraulic rail bender for railway track construction Download PDFInfo
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- CN112982047A CN112982047A CN202110207501.7A CN202110207501A CN112982047A CN 112982047 A CN112982047 A CN 112982047A CN 202110207501 A CN202110207501 A CN 202110207501A CN 112982047 A CN112982047 A CN 112982047A
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- Prior art keywords
- rail
- shaft
- bender
- rollers
- rotating
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
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 a reaction force towards the cylinder body direction and a component force perpendicular to the cylinder body direction by 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, the hydraulic rail bender 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 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 achieve the above purpose, the invention provides the following technical scheme to realize: a hydraulic rail bender for railway track construction comprises a bender main body, wherein a limit center shaft is fixedly sleeved on the side surface of the bender main body, a first hydraulic cylinder close to one side of the limit center shaft is arranged at one end of the 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 limit center shaft is formed in the bender main body, a middle rotating shaft located at the center of the arc groove is movably sleeved on the bender main body, a triangular plate located in the arc groove is fixedly sleeved on the middle rotating shaft, the planar shape of the triangular plate is equilateral three, two rotating balance shaft rollers and one rotating pressing shaft are fixedly sleeved at three outer corners of the triangular plate respectively, the rotating pressing shaft is located on the outer side of the bender main body, the two rotating balance shaft rollers are located in the arc groove, the two rotating balance shaft rollers and one rotating pressing shaft are sleeved with bearing rollers, and the inner wall swing joint of roller and circular arc groove on two rollers, the top of intermediate rotating shaft is equipped with the worm wheel, be equipped with the location mounting panel of keeping away from first pneumatic cylinder one side in the rail bender main part, and the side fixed mounting of location mounting panel has the second pneumatic cylinder, the one end fixedly connected with roof of second pneumatic cylinder piston shaft, the outer edge of roof and the outer edge meshing of worm wheel.
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 and roller activity cup joint.
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. the hydraulic rail bender for railway track construction is characterized in that through the structural design of a triangular plate rotating on a rail bender main body, one corner of the triangular plate rotates to press and bend a rail, the other two corners of the triangular plate are limited by matching with an arc groove, so that in the rail bending process, the piston rod of the second hydraulic cylinder only receives the reaction force which is opposite to the cylinder body, compared with the scheme that the existing rail bender directly pushes the rail to bend from one side of the rail, the reaction force after the rail is bent is effectively avoided, so that the piston rod of the second hydraulic cylinder not only receives the reaction force which is opposite to the cylinder body direction, but also receives the component force which is vertical to the cylinder body direction, thereby increasing the friction loss between the piston rod at the side and the cylinder body, leading to the increase of the energy consumption of the hydraulic drive curved rail, and the friction loss of the piston rod of the hydraulic cylinder is easy to be larger, so that the hydraulic rail bender cannot be used, and the service life of the hydraulic rail bender is prolonged.
2. This a hydraulic pressure rail bender 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 rail bending in current perpendicular rail and lead to follow-up rail application of pressure greatly, the rail bending work that needs more times just can be with the rail bending to needs the angle, 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 bender body 1, a limit central shaft 2 is fixedly sleeved on the side surface of the bender body 1, a first hydraulic cylinder 3 close to one side of the limit central shaft 2 is arranged at one end of the 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 central shaft 2 is arranged on the bender body 1, a middle rotating shaft 5 located at the center of the arc groove 101 is movably sleeved on the 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 equilateral, two rotating balance shaft rollers 9 and one rotating pressing shaft 7 are respectively and fixedly sleeved on three outer corners of the triangular plate 6, the rotating pressing shaft 7 is located on the outer side of the bender body 1, the two rotating balance shaft rollers 9 are located in the arc groove 101, the roller 9 is sleeved on the two rotating balance shaft rollers 9 and one rotating pressure shaft 7, 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 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 top plate 12, the outer edge of the top plate 12 is meshed with the outer edge of the worm wheel 501, when in use, the rail bender body 1 is prevented from reaching one side of a rail needing rail bending, the limiting middle shaft 2 is positioned at the other side of the rail, the state that the limiting middle shaft 2 is contacted with the other side of the rail is kept, then the first hydraulic cylinder 3 is started to enable a piston rod to extend to drive the top plate, the worm wheel 501 drives the middle rotating shaft 5 to rotate, so that the triangular plate 6 integrally rotates, and further the rollers 9 on the rotating pressing shaft 7 press the rail, so that the rail bends towards one side of the limiting middle shaft 2 with the limiting middle shaft 2 as a base point, the inner wall of the arc groove 101 is used for always keeping a limiting state for the rollers 9 on the two rotating balancing shaft rollers 9, centripetal force component of reaction force of the rail on the rollers 9 is borne, centrifugal force component of the rail on the rollers 9 is caused to make the rollers 9 have a tendency of rotating around the middle rotating shaft 5, and the rollers 9 and the top plate 12 limit the rotation of the middle rotating shaft 5 to bear, 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 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, 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 the 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 the hydraulic drive rail bending is increased, the friction loss of the piston rod of the hydraulic cylinder is large easily, and the hydraulic rail bender cannot be used are solved, the service life of the hydraulic rail bender is influenced, in addition, in the process of extruding the steel rail to deform the steel rail in a way that the roller 9 rotates around the middle rotating shaft 5, the roller 9 moves towards the limiting middle shaft 2, compared with the prior art that the subsequent rail bending is large in applied pressure and small in bending radian because the rail is pushed to be bent to a required angle by the conventional perpendicular rail, the radian of a single rail bending is improved, and the rail bending times are reduced, the efficiency of curved rail work 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 roller 9 activity, L type limiting plate 103 on through the limited axle 102 is spacing middle pivot 5 in circular arc groove 101 top, 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 roof 12 drives the rotatory torque resistance of middle pivot 5 and reduces, thereby has reduced the hydraulic pressure of the whole rotation of pivot 5 in the middle of the drive, can also keep sufficient revolving force output, makes roller 9 around the rotatory crooked rail that carries out of middle pivot 5, and then has reduced the energy consumption.
When the rail bender works, firstly, the rail bender body 1 is prevented from reaching one side of a rail needing to be bent, the limiting middle shaft 2 is positioned at the other side of the rail, and the state that the limiting middle shaft 2 is contacted with the other side of the rail is kept, then the first hydraulic cylinder 3 is started to enable the piston rod to extend to drive the top plate 4 to move and be attached to one side of the rail, then the second hydraulic cylinder 11 is started to drive the roller 9 to move, the worm wheel 501 drives the middle rotating shaft 5 to rotate, so that the triangular plate 6 integrally rotates, the roller 9 on the rotating pressing shaft 7 extrudes 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 inner wall of the arc groove 101 is used for always keeping the limiting state for the roller 9 on the two rotating balancing shaft rollers 9, the centripetal force component of the reaction force of the rail on the roller 9 is born, and the centrifugal, the rollers 9 and the top plate 12 limit the rotation of the intermediate rotating shaft 5 to bear the rotation until the rail bends for a certain angle, and then the rail is bent again according to the steps to enable the rail to bend to a proper radian.
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 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 (4)
1. The utility model provides a hydraulic pressure rail bender for railway rails is built, includes rail bender main part (1), and the fixed cover in side 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 track bender is characterized in that an arc groove (101) located on the other side of the limiting middle shaft (2) is formed in the track bender body (1), a middle rotating shaft (5) located at the circle center of the arc groove (101) is movably sleeved on the track 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 equilateral, two rotating balance shaft rollers (9) and one rotating pressing shaft (7) are respectively and fixedly sleeved at three outer corners of the triangular plate (6), the rotating pressing shaft (7) is located on the outer side of the track bender body (1), the two rotating balance shaft rollers (9) are located in the arc groove (101), two bearing rollers (9) are respectively sleeved on the rotating balance shaft rollers (9) and one rotating pressing shaft (7), and the rollers (9) on the two rollers (9) are movably connected with the inner wall of the arc groove (101), the top of middle pivot (5) is equipped with worm wheel (501), be equipped with location mounting panel (10) of keeping away from first pneumatic cylinder (3) one side on bending rail ware main part (1), and the side fixed mounting of location mounting panel (10) has second pneumatic cylinder (11), the one end fixedly connected with roof (12) of second pneumatic cylinder (11) piston shaft, the outer edge of roof (12) is along the meshing outward with worm wheel (501).
2. A hydraulic rail bender for railway track construction according to claim 1, wherein: fixed cover is equipped with limiting shaft (102) that are located middle pivot (5) both sides on railer main part (1), and two limiting shaft (102) all are located the outside of circular arc groove (101) one side, two fixed cover is equipped with L type limiting plate (103) on limiting shaft (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) and roller (9) activity cup joint.
3. A hydraulic rail bender for railway track construction according to claim 1, wherein: the bearings among the rollers (9), the rotating pressing shafts (7) and the rotating balance shafts (8) are roller bearings, the number of the rollers (9) on the two rotating balance shafts (8) and one rotating pressing shaft (7) is two, and every two rollers (9) are respectively positioned above and below the triangular plate (6).
4. A hydraulic rail bender for railway track construction according to claim 1, wherein: the top end of the middle rotating shaft (5) is in transmission connection with a torsion multiplier (502) positioned above the L-shaped limiting plate (103), and the output shaft of the torsion multiplier (502) is in transmission connection with a worm wheel (501).
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 |
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| 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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| CN112982047A true CN112982047A (en) | 2021-06-18 |
| CN112982047B CN112982047B (en) | 2022-12-09 |
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| 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 |
| 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 |
| 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 |
| 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 |
-
2021
- 2021-02-25 CN CN202110207501.7A patent/CN112982047B/en active Active
Patent Citations (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 |
| JP2016011563A (en) * | 2014-06-30 | 2016-01-21 | 東日本旅客鉄道株式会社 | Curve correction 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 |
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| CN112982047B (en) | 2022-12-09 |
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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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