CN102642545A - Device for pre-tensioning steel rail fixing frame - Google Patents
Device for pre-tensioning steel rail fixing frame Download PDFInfo
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- CN102642545A CN102642545A CN2012100743344A CN201210074334A CN102642545A CN 102642545 A CN102642545 A CN 102642545A CN 2012100743344 A CN2012100743344 A CN 2012100743344A CN 201210074334 A CN201210074334 A CN 201210074334A CN 102642545 A CN102642545 A CN 102642545A
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- carrier bar
- tightening apparatus
- rail fixed
- fixed mount
- rail
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Abstract
The invention provides a device for pre-tensioning a steel rail fixing frame, belonging to the technical field of machinery. The device is used for solving the problems of low safety and inconvenience in use of the existing steel rail fixing frame. The steel rail fixing frame comprises a base which is used for being placed on a transport vehicle, and two hanging beams which are parallel to each other in the horizontal direction are fixedly connected to the upper part of the base. The device comprises load beams and pressure beams, wherein one ends of the load beams are connected onto one hanging beam, the other ends of the load beams are connected onto the other hanging beam, the pressure beams are movably connected to the lower parts of the load beams, springs are arranged between the pressure beams and the load beams, and the pressure beams have downwardly-moving trends under the action of the elastic forces of the springs. The device for pre-tensioning the steel rail fixing frame has the advantages of high fastness, convenience in use, and the like.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of fixed mount, particularly the pre-tightening apparatus of rail fixed mount.
Background technology
Along with the progressively propelling of China's railway line for passenger traffic and high speed railway construction, iron company is in rolling 100m of beginning while in 2005 and 25m rail.The 100m rail is used for the ew line construction after rail welding plant is welded into 500 meters rail, the 25m rail is mainly used in the transformation and the maintenance of China railways existing line.25m rail 2008 annual traffics are 171.33 ten thousand tons according to statistics, and 2009 annual traffics are 191.21 ten thousand tons.In one period from now on, the 25m rail will and be deposited with 100m, 500m rail, in railway freight traffic, occupy important status.
At present, 25m rail transportation mode mainly contains 2 kinds both at home and abroad: special vehicle transportation and the transportation of common flatcar.The main special vehicle that adopts such as European countries, Russia, Japan transports, and China mainly adopts common flatcar straddle mounting transportation.
China 25m rail adopts 2 common flatcar straddle mounting modes to transport, six fulcrum special bogie supporting rails, and rail loads at the bogie truck higher slice; Every layer of positive left-hand thread of rail put; Employing is separated at a distance from wood between layer and the layer, with wire rod rail is tied to be integral again, and adopts wire rod pocket head dragline at last.
Above-mentioned rail transportation mode is that railway construction in China has been brought into play due effect.But also exist some shortcomings.At first need disposable reinforcement materials such as a large amount of separated planks and wire rod, reinforcement cost is high, and labour intensity is big; In transportation, there are potential safety hazards such as rail longitudinal leap; And the problem that lays particular stress on of using six fulcrum bogie trucks, two car straddle mounting 25m rail to produce, can make car load concentrate on vehicle one end, when stress value bears the limit above vehicle; Crack, cause train operation accident; Because goods lays particular stress on, vehicle two side wheels are uneven to suffered weight, an easy end perk, and through vertical curve grade change point or turnout the time, the little wheel that bears a heavy burden is prone to climbs rail, finally causes the train off-line or overturns.
Its publication number of Chinese patent CN202080286U provides a kind of " suspension type straddle mounting goods transport support ", and it is made up of support underframe, carrying hanging beam, steel rope and wire rope grip etc., carries hanging beam and is suspended on the support underframe through steel rope.The rail layering that betransported overlays carries on the hanging beam, has certain buffer action through steel rope to carrying hanging beam in the transportation, avoids that rail is subjected to displacement the phenomenon that departs from center of gravity in the transportation.But above-mentioned patent rail just is placed on and carries on the hanging beam, still need adopt for fixation and separate every layer rail at a distance from wood, and then with wire rod rail tied and to be integral.Still very inconvenience seems in its actual use.And when the carrying hanging beam was shaken along the vertical direction, rail still existed the possibility that drops, and its safety is not high.
Summary of the invention
The objective of the invention is the problems referred to above of existing to prior art, provide a kind of fix tightly solidity high and can be conveniently to betransporteding the fixed mount of the rail that rail positions.
The object of the invention can be realized through following technical proposal: a kind of pre-tightening apparatus of rail fixed mount; The rail fixed mount comprises the base that is used to be placed on the transport vehicle; The top of said base is fixed with the hanging beam that two horizontal directions are parallel to each other, and it is characterized in that, this device comprises carrier bar and presses beam; One end of said carrier bar is connected in wherein on the hanging beam; The other end of carrier bar is connected on the other hanging beam, and said pressure beam is movably connected in the carrier bar bottom and between is provided with spring, presses down beam in the elastic force effect of spring and has the trend that moves down.
Rail is positioned between base and this device by last lower leaf.Carrier bar plays a supportive role to pressing beam, presses down beam in action of the spring and is resisted against all the time on the superiors' rail that is positioned.
Can find out that the rail that is positioned on the fixed mount receives the pressure beam all the time to an one of which downward pretension application force, certainly, the pretension application force here is that spring applies.
In the pre-tightening apparatus of above-mentioned rail fixed mount, the upper end and the carrier bar of a said guide rod are connected, and the lower end of guide rod is passed and pressed beam and have baffle plate in its end, and above-mentioned pressure beam makes the pressure beam move down under the elastic force effect of spring and has the trend that is resisted against on the baffle plate.
Press beam to be suspended on the carrier bar bottom, have the gap, therefore, press beam to receive stopping of baffle plate it can be moved up and down along guide rod in the stroke of setting owing to press between beam and the carrier bar through guide rod.That is to say, even the rail height is higher, on pressure beam after moving under the effect of spring, can be resisted against the superiors' rail that is positioned equally.
In the pre-tightening apparatus of above-mentioned rail fixed mount, said carrier bar end has two guide rods, and the quantity of above-mentioned spring and every piece spring housing identical with guide rod quantity is on cooresponding guide rod.
Make that through two guide rods and spring the pressure beam stress is balanced.Avoid pressing beam separately stressed and have the trend of rollover.
In the pre-tightening apparatus of above-mentioned rail fixed mount; Said pressure beam bottom also has pressing plate; Press to have the bar shaped pilot hole that axially is provided with along it on the beam, the lower end of a movable rod passes pilot hole and pressing plate is connected, and the upper end of movable rod has the retaining edge that can overlap at pilot hole port place.
Along under the effect, pressing plate can be with respect to pressing the beam axial translation at retaining.Certainly, can adopt kinds of schemes in order to guarantee the pressing plate axial translation, for example, the movable rod both sides have the guide part that is complementary with the bar hole width; That perhaps on the pressing plate edge has, turns over turns edge, and presses beam between two of pressing plate turns edge.
In the pre-tightening apparatus of above-mentioned rail fixed mount, said pressure beam bottom has at least two rollers.
Pressing plate is friction of rolling along pressing the Liangping to move past in the journey through roller, and actv. has reduced pressing plate and the wearing and tearing between the rail of being positioned.
In the pre-tightening apparatus of above-mentioned rail fixed mount, said pressing plate top has at least two rollers.
Through two rollers, pressing plate can be smoothly along pressing the Liangping to move.
In the pre-tightening apparatus of above-mentioned rail fixed mount, the two ends of said carrier bar all have the coaster that can move along hanging beam, are provided with retracing spring between said coaster and the hanging beam.
Carrier bar can be smoothly along the hanging beam translation through coaster.Simultaneously, through retracing spring the carrier bar after moving is resetted.
In the pre-tightening apparatus of above-mentioned rail fixed mount, an end and the hanging beam of said carrier bar are hinged, and the other end of carrier bar links both through the detouchable latch.
Latch extracted the back carrier bar is rocked to along its hinged place and carrier bar is fitted, the lift heavy equipment rail of slinging is with rail being placed in the fixed mount of blocked not from top to bottom.Treat to rotate again after rail installs carrier bar and the carrier bar end is connected with hanging beam get final product through latch.
As other a kind of scheme; In the pre-tightening apparatus of above-mentioned rail fixed mount; Said coaster sidepiece has recessed positioning recess, and the end of said carrier bar is positioned at the positioning recess place, and above-mentioned coaster and carrier bar end make both hinged through the detachable latch of a vertical direction setting.
The two ends of carrier bar are connected with cooresponding coaster through a latch respectively.When removing wherein a latch, carrier bar just can be swung along the junction (being equivalent to the hinged place) of an other latch.Certainly, can remove any latch according to actual conditions here.
Compared with prior art, make pressing plate have the trend that is resisted against on the rail that is positioned all the time through spring in the pre-tightening apparatus of this rail fixed mount, therefore, rail can not become flexible or come off in the transportation, and firm position property is high.
Simultaneously, pressing plate can be along pressing beam move axially, and when the rail horizontal direction moves along vertical hanging beam, can also reduce it and the wearing and tearing between the rail of being positioned through the pressing plate after moving.In addition, carrier bar can be fitted on the hanging beam, so also makes rail can easily be lifted in the fixed mount, and the fixed mount with this pre-tightening apparatus is easy to use.
Description of drawings
Fig. 1 is the perspective view of the pre-tightening apparatus of this rail fixed mount.
Fig. 2 is the structural representation at carrier bar place in the pre-tightening apparatus of this rail fixed mount.
Fig. 3 is the cross-sectional view of carrier bar in the pre-tightening apparatus of this rail fixed mount.
Fig. 4 is the structural representation after rail is positioned in the pre-tightening apparatus of this rail fixed mount.
Fig. 5 is the structural representation in the pre-tightening apparatus use of this rail fixed mount.
Among the figure, 1, base; 2, hanging beam; 3, carrier bar; 4, press beam; 4a, pilot hole; 5, spring; 6, guide rod; 6a, baffle plate; 7, pressing plate; 8, movable rod; 8a, retaining edge; 9, roller; 10, coaster; 10a, positioning recess; 11, retracing spring; 12, latch.
The specific embodiment
As shown in Figure 1, the rail fixed mount comprises the base 1 that is used to be placed on the transport vehicle, and the top of base 1 is fixed with the hanging beam 2 that two horizontal directions are parallel to each other.The pre-tightening apparatus of this rail fixed mount is arranged between two hanging beams 2.
As shown in Figures 2 and 3, this pre-tightening apparatus comprises carrier bar 3 and presses beam 4, and an end of carrier bar 3 is connected in wherein on the hanging beam 2, and the other end of carrier bar 3 is connected on the other hanging beam 2.Press beam 4 to be movably connected in carrier bar 3 bottoms and between is provided with spring 5, press down beam 4 in the elastic force effect of spring 5 and have the trend that moves down.
The upper end of guide rod 6 and carrier bar 3 are connected, and the lower end of guide rod 6 is passed and pressed beam 4 and have baffle plate 6a in its end, and pressure beam 4 makes pressure beam 4 move down under the elastic force effect of spring 5 and has the trend that is resisted against on the baffle plate 6a.In the present embodiment, carrier bar 3 ends have two guide rods 6, and the quantity of spring 5 and every piece spring 5 identical with guide rod 6 quantity is enclosed within on the cooresponding guide rod 6.
The two ends of carrier bar 3 all have the coaster 10 that can move along hanging beam 2, are provided with retracing spring 11 between said coaster 10 and the hanging beam 2.Coaster 10 sidepieces have recessed positioning recess 10a, and the end of carrier bar 3 is positioned at positioning recess 10a place, and coaster 10 and carrier bar 3 ends make both hinged through the detachable latch 12 of a vertical direction setting.Also can adopt other a kind of scheme according to actual conditions, that is: an end of carrier bar 3 and hanging beam 2 are hinged, and the other end of carrier bar 3 links both through detouchable latch 12.
Like Fig. 4 and shown in Figure 5, rail is positioned between base 1 and this pre-tightening apparatus by last lower leaf.3 pairs of carrier bars press beam 4 to play a supportive role, and are resisted against all the time on the superiors' rail that is positioned at spring 5 effect lower platens 7.The rail that is positioned on the fixed mount receives 4 pairs of one of which of pressure beam downward pretension application force all the time, and certainly, the pretension application force here is that spring 5 applies.
The horizontal direction that produces in the transportation cushions through pressing plate 7 perpendicular to the force of inertia of hanging beam 2, and horizontal direction parallel cushions through retracing spring 11 in the force of inertia of hanging beam 2.Rail through this device actv. to horizontal direction laterally, force of inertia cushions longitudinally, improves in the transportation rail fixed mount to the position stability of rail in transportation.
Claims (9)
1. the pre-tightening apparatus of a rail fixed mount; The rail fixed mount comprises the base (1) that is used to be placed on the transport vehicle; The top of said base (1) is fixed with the hanging beam (2) that two horizontal directions are parallel to each other, and it is characterized in that, this device comprises carrier bar (3) and presses beam (4); One end of said carrier bar (3) is connected in wherein on the hanging beam (2); The other end of carrier bar (3) is connected on the other hanging beam (2), and said pressure beam (4) is movably connected in carrier bar (3) bottom and between is provided with spring (5), presses down beam (4) in the elastic force effect of spring (5) and has the trend that moves down.
2. the pre-tightening apparatus of rail fixed mount according to claim 1; It is characterized in that; The upper end of a said guide rod (6) and carrier bar (3) are connected; The lower end of guide rod (6) is passed and is pressed beam (4) and have baffle plate (6a) in its end, and above-mentioned pressure beam (4) makes pressure beam (4) move down and having the trend that is resisted against on the baffle plate (6a) under the elastic force effect of spring (5).
3. the pre-tightening apparatus of rail fixed mount according to claim 2 is characterized in that, said carrier bar (3) end has two guide rods (6), and the quantity of above-mentioned spring (5) and every piece spring (5) identical with guide rod (6) quantity is enclosed within on the cooresponding guide rod (6).
4. according to the pre-tightening apparatus of claim 1 or 2 or 3 described rail fixed mounts; It is characterized in that said pressure beam (4) bottom also has pressing plate (7), press to have the bar shaped pilot hole (4a) that axially is provided with along it on the beam (4); The lower end of a movable rod (8) is passed pilot hole (4a) and is connected with pressing plate (7), and the upper end of movable rod (8) has the retaining edge (8a) that can overlap at pilot hole (4a) port place.
5. the pre-tightening apparatus of rail fixed mount according to claim 4 is characterized in that, said pressure beam (4) bottom has at least two rollers (9).
6. the pre-tightening apparatus of rail fixed mount according to claim 4 is characterized in that, said pressing plate (7) top has at least two rollers (9).
7. according to the pre-tightening apparatus of claim 1 or 2 or 3 described rail fixed mounts, it is characterized in that the two ends of said carrier bar (3) all have and can be provided with retracing spring (11) between said coaster (10) and the hanging beam (2) along the mobile coaster (10) of hanging beam (2).
8. according to the pre-tightening apparatus of claim 1 or 2 or 3 described rail fixed mounts, it is characterized in that an end of said carrier bar (3) and hanging beam (2) are hinged, the other end of carrier bar (3) links both through detouchable latch (12).
9. the pre-tightening apparatus of rail fixed mount according to claim 7; It is characterized in that; Said coaster (10) sidepiece has recessed positioning recess (10a); The end of said carrier bar (3) is positioned at positioning recess (10a) to be located, and above-mentioned coaster (10) and carrier bar (3) end make both hinged through the detachable latch (12) that a vertical direction is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210074334.4A CN102642545B (en) | 2012-03-20 | 2012-03-20 | Device for pre-tensioning steel rail fixing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210074334.4A CN102642545B (en) | 2012-03-20 | 2012-03-20 | Device for pre-tensioning steel rail fixing frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102642545A true CN102642545A (en) | 2012-08-22 |
| CN102642545B CN102642545B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210074334.4A Active CN102642545B (en) | 2012-03-20 | 2012-03-20 | Device for pre-tensioning steel rail fixing frame |
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| Country | Link |
|---|---|
| CN (1) | CN102642545B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721983A (en) * | 2020-12-29 | 2021-04-30 | 重庆交通职业学院 | Rail transit single-rail type rail transport vehicle |
Citations (7)
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|---|---|---|---|---|
| EP1388479A1 (en) * | 2002-08-07 | 2004-02-11 | voestalpine Schienen GmbH | Transport means for long railway rails |
| CN201287726Y (en) * | 2008-09-26 | 2009-08-12 | 鞍钢附企大型设备安装工程公司 | 25m heavy-rail transportation stand |
| CN201325456Y (en) * | 2008-11-13 | 2009-10-14 | 鞍钢附企大型设备安装工程公司 | No-bundled rail transportation seat frame |
| CN201484274U (en) * | 2009-08-28 | 2010-05-26 | 濮阳市信宇石油机械化工有限公司 | Pipe fitting fixing device |
| CN201961352U (en) * | 2010-12-09 | 2011-09-07 | 中山市隆成日用制品有限公司 | Safe connecting mechanism of second seat of foldable baby carriage |
| CN202080286U (en) * | 2011-05-06 | 2011-12-21 | 北京睿力恒一科技发展有限公司 | Hanging type goods straddle-mounting transportation support |
| CN202593536U (en) * | 2012-03-20 | 2012-12-12 | 浙江双友物流器械股份有限公司 | Steel rail fixation frame pre-tensioning device |
-
2012
- 2012-03-20 CN CN201210074334.4A patent/CN102642545B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1388479A1 (en) * | 2002-08-07 | 2004-02-11 | voestalpine Schienen GmbH | Transport means for long railway rails |
| CN201287726Y (en) * | 2008-09-26 | 2009-08-12 | 鞍钢附企大型设备安装工程公司 | 25m heavy-rail transportation stand |
| CN201325456Y (en) * | 2008-11-13 | 2009-10-14 | 鞍钢附企大型设备安装工程公司 | No-bundled rail transportation seat frame |
| CN201484274U (en) * | 2009-08-28 | 2010-05-26 | 濮阳市信宇石油机械化工有限公司 | Pipe fitting fixing device |
| CN201961352U (en) * | 2010-12-09 | 2011-09-07 | 中山市隆成日用制品有限公司 | Safe connecting mechanism of second seat of foldable baby carriage |
| CN202080286U (en) * | 2011-05-06 | 2011-12-21 | 北京睿力恒一科技发展有限公司 | Hanging type goods straddle-mounting transportation support |
| CN202593536U (en) * | 2012-03-20 | 2012-12-12 | 浙江双友物流器械股份有限公司 | Steel rail fixation frame pre-tensioning device |
Non-Patent Citations (2)
| Title |
|---|
| 丁文赢，李善坡等: "国内外长钢轨运输技术介绍", 《铁道货运》 * |
| 苏顺虎: "《铁路钢轨运输装载加固技术》", 31 October 2010, 中国铁道出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721983A (en) * | 2020-12-29 | 2021-04-30 | 重庆交通职业学院 | Rail transit single-rail type rail transport vehicle |
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| Publication number | Publication date |
|---|---|
| CN102642545B (en) | 2015-04-15 |
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Denomination of invention: A preloading device for rail fixing frame Effective date of registration: 20211229 Granted publication date: 20150415 Pledgee: Bank of China Limited Yuhuan sub branch Pledgor: ZHEJIANG TOPSUN LOGISTIC CONTROL Co.,Ltd. Registration number: Y2021330002723 |
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