CN204455741U - A kind of bent on site rail hydraulic rail bender - Google Patents
A kind of bent on site rail hydraulic rail bender Download PDFInfo
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- CN204455741U CN204455741U CN201520083222.4U CN201520083222U CN204455741U CN 204455741 U CN204455741 U CN 204455741U CN 201520083222 U CN201520083222 U CN 201520083222U CN 204455741 U CN204455741 U CN 204455741U
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- rail
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- fixed head
- hydraulic
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Abstract
The utility model discloses a kind of bent on site rail hydraulic rail bender, comprise the jim crow frame being arranged on rail side, the first rail described jim crow frame is connected with for being caught on by another side of rail hooks and the second rail hooks, described jim crow frame is provided with the pushing tow hydraulic cylinder for pushing tow rail, the piston rod of described pushing tow hydraulic cylinder is between the first rail hooks and the second rail hooks.The structure of this hydraulic rail bender is simple, easy to use, solves the problem of rail ride comfort difference, reduce later stage rail accurate adjustment workload when can carry out curved rail at the scene.
Description
Technical field
The utility model relates to a kind of jim crow, is specifically related to a kind of bent on site rail hydraulic rail bender.
Background technology
At present, the curved rail in existing scene method mainly artificial curved rail.Owing to requiring very high to rail ride comfort after deflection of rail, if disposable curved rail is unsuccessful very easily cause useless rail, when the common jim crow of artificial employing carries out on-the-spot curved rail, because curved rail adopts force value, positive vector distance wayward, and segmentation during deflection of rail, is needed to carry out, if there is one section to occur the excessive or situation not in place of curved rail, rail will be caused without ride comfort, and rail itself has rigidity and elastoplasticity, once curved rail shaping after not easily correct, then can cause useless rail.Need technical experience high skilled worker during existing artificial curved rail method construction and come controlled pressure value and positive vector distance, improve the success rate of curved rail, but rail ride comfort is generally poor, brings very large difficulty to later stage rail accurate adjustment.Therefore, this kind of prior art is time-consuming, adds difficulty of construction, and construction quality is wayward, brings huge pressure to the duration, and construction cost will increase considerably.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of bent on site rail hydraulic rail bender.The structure of this hydraulic rail bender is simple, easy to use, solves the problem of rail ride comfort difference, reduce later stage rail accurate adjustment workload when can carry out curved rail at the scene.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bent on site rail hydraulic rail bender, it is characterized in that: comprise the jim crow frame being arranged on rail side, the first rail described jim crow frame is connected with for being caught on by another side of rail hooks and the second rail hooks, described jim crow frame is provided with the pushing tow hydraulic cylinder for pushing tow rail, the piston rod of described pushing tow hydraulic cylinder is between the first rail hooks and the second rail hooks.
Above-mentioned a kind of bent on site rail hydraulic rail bender, it is characterized in that: described first rail hooks the first fixed head of comprising for being connected with jim crow frame and first hooks plate for coordinating with rail one contact aside, and for connecting the first contiguous block that described first hooks plate and the first fixed head, described first contiguous block is positioned at the top of rail, and described first hooks plate, the first fixed head and the first contiguous block forms the first passage passed through for rail; Described second rail hooks and comprising the second fixed head for being connected with jim crow frame, second hooking plate for what coordinate with rail one contact aside, and for connecting the second contiguous block that described second hooks plate and the second fixed head, described second contiguous block is positioned at the top of rail, and described second hooks plate, the second fixed head and the second contiguous block forms the second channel passed through for rail.
Above-mentioned a kind of bent on site rail hydraulic rail bender, is characterized in that: described first fixed head offers the first draw-in groove for being stuck in jim crow frame, described first fixed head offers the first pin-and-hole inserted for the first connecting pin; Described second fixed head offering the second draw-in groove for being stuck in jim crow frame, described second fixed head offering the second pin-and-hole inserted for the second connecting pin.
Above-mentioned a kind of bent on site rail hydraulic rail bender, is characterized in that: be provided with the first cushion block between described first hook plate and the described rail side web of the rail, be provided with the second cushion block between described second hook plate and the described rail opposite side web of the rail; Top is provided with between the piston rod of described pushing tow hydraulic cylinder and the rail opposite side web of the rail.
Above-mentioned a kind of bent on site rail hydraulic rail bender, it is characterized in that: described first cushion block arranged outside has the first backing plate, described first hook plate offering the first mounting groove, described first backing plate being provided with the first card article for being stuck in described first mounting groove; Described second cushion block arranged outside has the second backing plate, described second hook plate offering the second mounting groove, described second backing plate being provided with the second card article for being stuck in described second mounting groove.
Above-mentioned a kind of bent on site rail hydraulic rail bender, is characterized in that: described jim crow frame is connected with road wheel.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model utilizes pushing tow hydraulic cylinder to apply jacking force to rail, while pushing tow hydraulic cylinder applies jacking force, pushing tow hydraulic cylinder has reaction force to jim crow frame, described reaction force is hooked by the first rail and the second rail hooks rail applying pulling force, thus under the mating reaction of described jacking force and pulling force, rail can be made to reach case of bending by pushing tow hydraulic cylinder, when can carry out curved rail at the scene, effectively solve the problem of rail ride comfort difference, reduce later stage rail accurate adjustment workload.
3, the utility model can calculate the positive vector distance of deflection of rail according to sweep, according to the hydraulic pressure value of sweep size determination deflection of rail, by controlling the hydraulic pressure value entering described pushing tow cylinder hydraulic oil, ensure curved rail quality, solve the problem that rail qualification rate is low, the useless rail amount reduced, improves curved rail speed, has saved cost.
4, the utility model is hooked by the first rail of particular design and the second rail hooks, can effectively for rail provides pulling force, thus matches with pushing tow hydraulic cylinder and effectively to bend rail.
5, the utility model arranges cushion block by hooking in-orbit between the web of the rail of rail side, and arranges top between piston rod and the rail opposite side web of the rail, forces acted on rail can be made even, avoid web of the rail local pressure inequality to cause rail failure when curved rail.
6, the utility model rail hooks and jim crow frame employing separate design, adopts connecting pin to connect during use, can according to the rail of different model during construction, and by more switching tracks, hook carries out curved rail, facilitates site operation.
7, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, and rationally novel in design, functional reliability is high, long service life, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view in Fig. 1.
Fig. 3 is the B-B sectional view in Fig. 1.
Fig. 4 is the structural representation that the utility model first rail hooks and the second rail hooks.
Description of reference numerals:
1-jim crow frame; 2-the first rail hooks; 2-1-the first fixed head;
2-2-the first hooks plate; 2-3-the first contiguous block; 2-4-first passage;
2-5-the first cushion block; 2-6-the first backing plate; 2-7-the first card article;
2-8-the first draw-in groove; 2-9-the first pin-and-hole; 2-10-the first mounting groove;
3-rail; 4-the second rail hooks; 4-1-the second fixed head;
4-2-the second hooks plate; 4-3-the second contiguous block; 4-4-second channel;
4-5-the second cushion block; 4-6-the second backing plate; 4-7-the second card article;
4-8-the second draw-in groove; 4-9-the second pin-and-hole; 4-10-the second mounting groove;
5-road wheel; 6-pushing tow hydraulic cylinder; 6-1-piston rod;
7-top; 8-the first connecting pin; 9-the second connecting pin;
10-hydralic pressure gauge.
Detailed description of the invention
A kind of bent on site rail hydraulic rail bender as shown in Figure 1, comprise the jim crow frame 1 being arranged on rail 3 side, described jim crow frame 1 is connected with the first rail hook 2 for being caught on by another side of rail 3 and the second rail hook 4, described jim crow frame 1 is provided with the pushing tow hydraulic cylinder 6 for pushing tow rail 3, the piston rod 6-1 of described pushing tow hydraulic cylinder 6 hooks between 4 at the first rail hook 2 and the second rail.
In the present embodiment, this hydraulic rail bender utilizes pushing tow hydraulic cylinder 6 pairs of rail 3 to apply jacking force, while pushing tow hydraulic cylinder 6 applies jacking force, pushing tow hydraulic cylinder 6 pairs of jim crow frames 1 have reaction force, described reaction force hooks 4 pairs of rail 3 by the first rail hook 2 and the second rail and applies pulling force, thus under the mating reaction of described jacking force and pulling force, rail 3 can be made to reach case of bending by pushing tow hydraulic cylinder 6, when can carry out curved rail at the scene, solve the problem of rail ride comfort difference, reduce later stage rail accurate adjustment workload.And the positive vector distance of deflection of rail can be calculated according to sweep, according to the hydraulic pressure value of sweep size determination deflection of rail, the hydraulic pressure value size promoting described pushing tow hydraulic cylinder 6 piston rod 6-1 hydraulic oil is monitored by the hydralic pressure gauge 10 be arranged in jim crow frame 1, ensure curved rail quality, solve the problem that rail qualification rate is low, the useless rail amount reduced, improves curved rail speed, has saved cost.
Composition graphs 2 and Fig. 4, described first rail hooks and 2 comprising the first fixed head 2-1 for being connected with jim crow frame 1, first hooking plate 2-2 for what coordinate with rail 3 one contact aside, and for connecting the first contiguous block 2-3 that described first hooks plate 2-2 and the first fixed head 2-1, described first contiguous block 2-3 is positioned at the top of rail 3, and described first hooks plate 2-2, the first fixed head 2-1 and the first contiguous block 2-3 forms the first passage 2-4 passed through for rail 3.Described first fixed head 2-1 offering the first draw-in groove 2-8 for being stuck in jim crow frame 1, described first fixed head 2-1 offering the first pin-and-hole 2-9 inserted for the first connecting pin 8.
Composition graphs 3 and Fig. 4, described second rail hooks and 4 comprising the second fixed head 4-1 for being connected with jim crow frame 1, second hooking plate 4-2 for what coordinate with rail 3 one contact aside, and for connecting the second contiguous block 4-3 that described second hooks plate 4-2 and the second fixed head 4-1, described second contiguous block 4-3 is positioned at the top of rail 3, and described second hooks plate 4-2, the second fixed head 4-1 and the second contiguous block 4-3 forms the second channel 4-4 passed through for rail 3.Described second fixed head 4-1 offering the second draw-in groove 4-8 for being stuck in jim crow frame 1, described second fixed head 4-1 offering the second pin-and-hole 4-9 inserted for the second connecting pin 9.
In the present embodiment, by the first rail of particular design hook 2 and second rail hook 4, can effectively for rail 3 provides pulling force, thus match with pushing tow hydraulic cylinder 6 rail 3 effectively bent.
Composition graphs 2 and Fig. 3, be provided with the first cushion block 2-5 between described first hook plate 2-2 and the described rail 3 side web of the rail, is provided with the second cushion block 4-5 between described second hook plate 4-2 and the described rail 3 opposite side web of the rail; Top 7 is provided with between the piston rod 6-1 of described pushing tow hydraulic cylinder 6 and the rail 3 opposite side web of the rail.By arranging the first cushion block 2-5, the second cushion block 4-5 and top 7, this jim crow effectively can be bent groove-shape rail, and groove-shape rail uniform force can be made when curved rail, avoiding web of the rail local pressure inequality to cause rail failure.
Composition graphs 2 and Fig. 4, described first cushion block 2-5 arranged outside has the first backing plate 2-6, described first hook plate 2-2 offering the first mounting groove 2-10, described first backing plate 2-6 being provided with the first card article 2-7 for being stuck in described first mounting groove 2-10.
Composition graphs 3 and Fig. 4, described second cushion block 4-5 arranged outside has the second backing plate 4-6, described second hook plate 4-2 offering the second mounting groove 4-10, described second backing plate 4-6 being provided with the second card article 4-7 for being stuck in described second mounting groove 4-10.
In the present embodiment, by arranging the first backing plate 2-6 and the second backing plate 4-6, further ensure that the first rail hook 2 and the second rail hook the compact siro spinning technology of 4 and rail 3.
As shown in Figure 1, described jim crow frame 1 is connected with road wheel 5.By arranging road wheel 5, this hydraulic rail bender can be enable to walk along rail 2, avoid a dead lift.
In the present embodiment, for groove-shape rail, the concrete steps adopting this hydraulic rail bender to carry out operating are as follows:
Step one, on rail 3, mark curved rail point
When sweep is 25m, 30m, from point of curve, every 250mm does a mark as bending point, calculates the positive vector distance of theory of every bit;
When sweep is 50m, from point of curve, every 500mm does a mark as bending point, calculates the positive vector distance of theory of every bit;
Step 2, calculate the positive vector distance of curved rail of each curved rail point
Step 201, according to formula f=C
2the positive vector distance of * 1000/ (8R) theory of computation
Wherein, f is theoretical positive vector distance, unit mm; C is chord length, unit m; R is sweep, unit m;
Step 202, according to formula: the positive vector distance+2mm of the positive vector distance=theory of actual flexion calculates the positive vector distance of actual flexion, and theoretical positive vector distance and oil pressure see the following form:
Step 3, curved rail operation
Step 301, jim crow frame 1, first rail hooked 2 and second rail hook and 4 be transported to assigned address, first rail hook 2 and the second rail hook 4 and are arranged on rail 3, described first rail is hooked 2 and is connected with jim crow frame 1 by the first connecting pin 8, and described second rail is hooked 4 and is connected with jim crow frame 1 by the second connecting pin 9;
Step 302, according to rail 3, first rail hook 2 and second rail hook 4 physical dimension make the first cushion block 2-5, the second cushion block 4-5 and top 7, and the first cushion block 2-5 and the second cushion block 4-5 is arranged on the web of the rail of rail 3 side, top 7 is arranged on the piston rod 6-1 of pushing tow hydraulic cylinder 6;
Step 303, use driven by motor hydraulic pump start pressurization, and piston rod 6-1 drives top 7 close to rail 3, lifts jim crow frame 1 to level, until top 7 holds out against rail 3 web of the rail.Positive vector distance+the 2mm of the positive vector distance=theory of every bit actual flexion, oil pressure according to the rules numerical value controls, and stops 2min, in order to avoid rail rebounds and is less than design curve radius after withdrawing from jim crow after being bent to the distance of actual positive vector distance.Curved rail is carried out successively, until curved rail terminates according to gauge point.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a bent on site rail hydraulic rail bender, it is characterized in that: comprise the jim crow frame (1) being arranged on rail (3) side, the first rail described jim crow frame (1) is connected with for being caught on by rail (3) another side hooks (2) and the second rail hooks (4), described jim crow frame (1) is provided with the pushing tow hydraulic cylinder (6) for pushing tow rail (3), the piston rod of described pushing tow hydraulic cylinder (6) is positioned at the first rail and hooks between (2) and the second rail hook (4).
2. a kind of bent on site rail hydraulic rail bender according to claim 1, it is characterized in that: described first rail hooks (2) and comprises the first fixed head (2-1) for being connected with jim crow frame (1) and first hook plate (2-2) for coordinating with rail (3) contact aside, and for connecting the first contiguous block (2-3) that described first hooks plate (2-2) and the first fixed head (2-1), described first contiguous block (2-3) is positioned at the top of rail (3), described first hooks plate (2-2), first fixed head (2-1) and the first contiguous block (2-3) form the first passage (2-4) passed through for rail (3), described second rail hook (4) comprises the second fixed head (4-1) for being connected with jim crow frame (1), for coordinating with rail (3) contact aside second hooks plate (4-2), and for connecting the second contiguous block (4-3) that described second hooks plate (4-2) and the second fixed head (4-1), described second contiguous block (4-3) is positioned at the top of rail (3), described second hooks plate (4-2), second fixed head (4-1) and the second contiguous block (4-3) form the second channel (4-4) passed through for rail (3).
3. a kind of bent on site rail hydraulic rail bender according to claim 2, it is characterized in that: described first fixed head (2-1) offers the first draw-in groove (2-8) for being stuck in jim crow frame (1), described first fixed head (2-1) offering the first pin-and-hole (2-9) inserted for the first connecting pin (8); Described second fixed head (4-1) offering the second draw-in groove (4-8) for being stuck in jim crow frame (1), described second fixed head (4-1) offering the second pin-and-hole (4-9) inserted for the second connecting pin (9).
4. a kind of bent on site rail hydraulic rail bender according to claim 2, it is characterized in that: between described first hook plate (2-2) and described rail (3) the side web of the rail, be provided with the first cushion block (2-5), between described second hook plate (4-2) and described rail (3) the opposite side web of the rail, be provided with the second cushion block (4-5); Be provided with between the piston rod (6-1) of described pushing tow hydraulic cylinder (6) and rail (3) the opposite side web of the rail and come directly towards (7).
5. a kind of bent on site rail hydraulic rail bender according to claim 4, it is characterized in that: described first cushion block (2-5) arranged outside has the first backing plate (2-6), described first hook plate (2-2) offering the first mounting groove (2-10), described first backing plate (2-6) being provided with the first card article (2-7) for being stuck in described first mounting groove (2-10); Described second cushion block (4-5) arranged outside has the second backing plate (4-6), described second hook plate (4-2) offering the second mounting groove (4-10), described second backing plate (4-6) being provided with the second card article (4-7) for being stuck in described second mounting groove (4-10).
6. a kind of bent on site rail hydraulic rail bender according to claim 1, is characterized in that: described jim crow frame (1) is connected with road wheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083222.4U CN204455741U (en) | 2015-02-05 | 2015-02-05 | A kind of bent on site rail hydraulic rail bender |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083222.4U CN204455741U (en) | 2015-02-05 | 2015-02-05 | A kind of bent on site rail hydraulic rail bender |
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| CN204455741U true CN204455741U (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170729A (en) * | 2015-09-21 | 2015-12-23 | 中铁一局集团有限公司 | Curve shape pre-bending construction method for channel rail of tramcar |
| CN109355987A (en) * | 2018-11-28 | 2019-02-19 | 中铁重工有限公司 | Groove-shape rail bending track device and method |
| CN111924742A (en) * | 2020-07-07 | 2020-11-13 | 唐灶虎 | Adjustable rail bender |
| CN112982047A (en) * | 2021-02-25 | 2021-06-18 | 张开宇 | Hydraulic rail bender for railway track construction |
-
2015
- 2015-02-05 CN CN201520083222.4U patent/CN204455741U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170729A (en) * | 2015-09-21 | 2015-12-23 | 中铁一局集团有限公司 | Curve shape pre-bending construction method for channel rail of tramcar |
| CN105170729B (en) * | 2015-09-21 | 2017-03-15 | 中铁一局集团有限公司 | The linear pre-bending construction method of tramcar grooved rail curve |
| CN109355987A (en) * | 2018-11-28 | 2019-02-19 | 中铁重工有限公司 | Groove-shape rail bending track device and method |
| CN111924742A (en) * | 2020-07-07 | 2020-11-13 | 唐灶虎 | Adjustable rail bender |
| CN112982047A (en) * | 2021-02-25 | 2021-06-18 | 张开宇 | Hydraulic rail bender for railway track construction |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |