CN101148854A - Outer sphenoid adjustment striking flake type fastener - Google Patents
Outer sphenoid adjustment striking flake type fastener Download PDFInfo
- Publication number
- CN101148854A CN101148854A CNA2007100187893A CN200710018789A CN101148854A CN 101148854 A CN101148854 A CN 101148854A CN A2007100187893 A CNA2007100187893 A CN A2007100187893A CN 200710018789 A CN200710018789 A CN 200710018789A CN 101148854 A CN101148854 A CN 101148854A
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- shell fragment
- platen
- locating block
- type fastener
- wedge locating
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Abstract
The adjustable outer wedged spring leaf type fastener a one rail track accessory includes one base board, a spring leaf, a wedged locating block, and a platen to fix the spring leaf between the stock rail and the locating block. The wedged locating block is located on the base board and has its tail contacting the vertical wall. The base board has one beveled guide block fixed to its stock rail side and one baffle fixed to its platen side. The adjustable outer wedged spring leaf type fastener has the advantages of simple installation, high safety and reliability, excellent disassembling performance and easy in-situ maintenance.
Description
Technical field
The invention belongs to the technical field of buildings of road, railway or bridge, the improvement of the railway switch in specifically a kind of railroad track annex.
Background technology
After the railway speed increase, domestic slide plate begins to adopt the mode elasticity of shell fragment and pin to withhold stock rail inboard (Figure 11), compbined test test result according to Qinhuangdao-Shenyang track switch, train by the time railway switch part stock rail horizontal maximum displacement value be 1.07mm, can satisfy the specially instructions for use of track switch of visitor fully, but owing to be subjected to the restriction of the stock rail and the AT rail discrepancy in elevation, cause the strength deficiency of shell fragment and pin, on-the-spot indivedual shell fragments and the pin found has hurt.Along with railway speed constantly improves, guarantee that slide plate safety, reliable, lasting elasticity withholds the stock rail inboard and just become urgent problem.
For addressing the above problem, the applicant has proposed a kind of wedge shape and has adjusted spring leaf type buckle (number of patent application: 200610059462.6), but trial-production finds wedge shape and adjusts the locking device of spring leaf type buckle and disassemble difficulty, need improve perfect, with convenient on-the-spot the use.Although locking mechanism deft design originally, result of use is undesirable.Locking mechanism originally is made up of adjustment piece, locking bar, stage clip, cover plate four parts, and assembly is more, and wedge-shaped adjusting block inner-cavity structure complexity, and the machine workload is big.
Summary of the invention
At used shell fragment of acclerating road switch slide plate and pin strength deficiency, there is problems such as fractureing, install difficulty, the development outer sphenoid adjustment striking flake type fastener is withheld the stock rail inboard, make it have stable, the safe and reliable advantage of buckle press, and install and disassemble easy, make things convenient for the scene to use and keep in repair.
Specifically, outer sphenoid adjustment striking flake type fastener, comprise base plate (1), shell fragment (2), platen (5) and wedge locating block (3), wedge locating block (3) is positioned on the base plate (1), and its platen (5) relies on the draw-in groove at two ends to be fixed between stock rail and the wedge locating block (3) on shell fragment (2); Lead iron (7) at base plate (1) near being fixed with the inclined-plane on stock rail one side; Be fixed with baffle plate (4) at base plate near on the turnout sleeper bolt (6) of platen one side simultaneously, baffle plate (4) is connected with turnout sleeper bolt by interstitial hole, and wall contacts with the wedge locating block afterbody.
The boss (5-3) that described wedge locating block (3) has the inclined-plane (5-1) of adjusting the shell fragment height, shoulder block (5-2) that the restriction shell fragment moves and beats when disassembling.
The anterior chamfered portion of described wedge locating block (3) is narrower than the rear portion, forms a step (5-4), cooperates with the platen inner chamber, in case wedge locating block is beated, is solid construction.
Described platen (5) two ends have the U-shaped draw-in groove, the middle part is shaped on the spill inner chamber (9-1) of placing shell fragment, in the platen inner chamber, be provided with shell fragment support rim (9-2) and prevent that shell fragment from crossing the positive stop lug boss of distortion (9-3), platen one end is shaped on inclined-plane (9-4), and other end inner chamber both sides have shell fragment stopper slot (9-5).
The present invention is directed to used shell fragment of acclerating road switch slide plate and pin strength deficiency, there is problems such as fractureing, install difficulty, can't satisfy the on-the-spot instructions for use of railway switch, consider to improve slide plate withholding the stock rail inboard from shell fragment, platen structure and location and installation mode.Novel spring leaf type buckle has simple installation, safe and reliable advantage, disassembles functionally simultaneously, makes things convenient for the scene to use and keep in repair.
New locking device after the optimization has been simplified the number of spare parts of original locking mechanism, cancelled the cover plate of the locking bar, stage clip and the bottom that are installed in the wedge inner chamber, new locking device is made up of wedge-shaped adjusting block and two parts of baffle plate, the locking of wedge no longer cooperates by the latching slot of locking bar with the platen inner chamber, but cooperate by the baffle plate that is connected with turnout sleeper bolt, vertically move along backing plate to limit it.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is structural representation of the present invention (Fig. 1 vertical view).
Figure number explanation: 1-base plate; The 2-shell fragment; The 3-wedge locating block; The 4-baffle plate; The 5-platen; The 6-turnout sleeper bolt; 7-leads iron.
Fig. 3 is shell fragment schematic diagram among the present invention.
Fig. 4 is shell fragment schematic diagram (Fig. 3 vertical view) among the present invention.
Fig. 5 is wedge locating block schematic diagram among the present invention.
Fig. 6 is wedge locating block schematic diagram (Fig. 5 vertical view) among the present invention.
Figure number explanation: 5-1-inclined-plane; The 5-2-shoulder block; The 5-3-projection; The 5-4-step.
Fig. 7 is baffle plate schematic diagram among the present invention.
Fig. 8 is baffle plate schematic diagram (Fig. 7 vertical view) among the present invention.
Fig. 9 is platen schematic diagram among the present invention.
Figure 10 is platen schematic diagram (Fig. 9 vertical view) among the present invention.
Figure number explanation: 9-1-inner chamber; The 9-2-support rim; The 9-3-positive stop lug boss; The 9-4-inclined-plane; The 9-5-stopper slot.
Figure 11 is the used slide plate structural representation that gets of acclerating road switch.
The figure number explanation
The 11-1-stock rail; 11-2-leads iron; The 11-3-pin; The 11-4-tongue; The 11-5-shell fragment; The sliding bed of 11-6-platen.
The specific embodiment
Working principle of design of the present invention is: outer sphenoid adjustment striking flake type fastener is that the shell fragment front end is withheld at the stock rail flange of rail, raise with the wedge type locating piece rear end, the support rim of platen inner chamber presses down shell fragment, be that the shell fragment two ends upwarp in the duty, middle recessed, the middle support rim and the locating wedge of rear end make the shell fragment front end produce the buckle press of 12KN.
On overall structure, outer sphenoid adjustment striking flake type fastener comprises base plate 1, shell fragment 2, platen 5 and wedge locating block 3, and wedge locating block 3 is positioned on the base plate 1, and its platen 5 relies on the draw-in groove at two ends to be fixed between stock rail and the wedge locating block 3 on shell fragment 2; There is the inclined-plane to lead iron 7 at base plate 1 near the stock rail fixed-site; Away from being fixed with baffle plate 4 on the stock rail position turnout sleeper bolt 6, baffle plate 4 is connected with turnout sleeper bolt by interstitial hole, and wall contacts with the wedge locating block afterbody.
The present invention has carried out bigger change to original shell fragment, platen from structure, the mode of withholding, and can satisfy the use of special track switch of visitor and acclerating road switch simultaneously, mainly improves from the following aspects:
1. shell fragment
At the shell fragment strength deficiency, occur fractureing individually, so increase shell fragment thickness, shell fragment becomes 12mm by original maximum ga(u)ge 10mm, structurally also changes simultaneously, has position limiting structure, reaches the intensity that improves shell fragment, reduces the purpose of its stress.
2. wedge locating block
Have the hurt problem that fractures during at the fastening shell fragment of pin, so the cancellation pin changes existing shell fragment pin and withholds mode, adopt that wedge locating block supports, novel shell fragment, this structure has been improved the shell fragment force-bearing situation, and mounting and dismounting are convenient.
3. baffle plate
Baffle plate is connected with turnout sleeper bolt by interstitial hole, and wall contacts with the wedge locating block afterbody, with the displacement along the backing plate length direction of restriction wedge locating block.
4. platen
Behind the cancellation pin fastening shell fragment, have enough buckle presses in order to ensure shell fragment, improve the fit form of platen and shell fragment, be provided with support rim, while platen inner chamber is provided with positive stop lug boss, prevents that shell fragment from crossing distortion.
Making of the present invention and processing step:
(1), platen: casting---＞mill face---＞mill inner chamber
(2), wedge locating block: blanking---＞roughing---＞quench---＞fine finishining
(3), shell fragment: blanking---＞mill face---＞heat treatment
(4), baffle plate: blanking---＞boring---＞bending
(5), base plate: blanking---＞---＞welding platen---＞postwelding that mills face is correcting deformed-＞secondary operations
Outer sphenoid adjustment striking flake type fastener has fundamentally changed the shell fragment stress condition, has improved the intensity of shell fragment, the shell fragment pin that the shell fragment pin mode of withholding of having avoided acclerating road switch to adopt the occurs problem that fractures, its shell fragment weak spot maximum stress value has reduced about 36% than the maximum stress value of existing shell fragment, following attached several shell fragment stress value finite element analysis contrast tables.This structure elasticity is lastingly withheld the stock rail inboard, and is safe and reliable.
This outer sphenoid adjustment striking flake type fastener is in the installation of shell fragment and disassemble all than simple and flexible, at first baffle plate is pulled down when disassembling, and it is promptly disassembled to beat wedge top with hammer, adapts to railway field work and maintenance.The applicant adjusted novel slide plate to the wedge shape after improving and manufactured experimently in June, 2007, and installation, the tear down operations of shell fragment are simple, the coincidence circuit behavior in service.This structure, all can satisfy the special turnout baseplate elasticity of speed-raising and visitor and withhold requirement through a series of experimental tests in southwestern Shanghai Communications University, has started the frontier that the safe and reliable elasticity of domestic turnout baseplate is withheld the stock rail inboard.
Several shell fragment stress value finite element analysis contrast tables:
| Shell fragment L | The speed-raising shell fragment | Now improve shell fragment | |
| Maximum stress value (MPa) | L＝250 | 850.6 | |
| L＝210 | 771.6 | ||
| L＝224 | 599.6 | ||
| L＝303 | 638.9 | ||
| L＝360 | 603.5 | ||
Claims (4)
1. outer sphenoid adjustment striking flake type fastener, comprise base plate (1), shell fragment (2), baffle plate (4), platen (5) and wedge locating block (3), wedge locating block (3) is positioned on the base plate (1), it is characterized in that platen (5) relies on the draw-in groove at two ends to be fixed between stock rail and the wedge locating block (3) on shell fragment (2); Lead iron (7) at base plate (1) near being fixed with the inclined-plane on stock rail one side; Simultaneously be fixed with baffle plate (4) on the turnout sleeper bolt (6) on base plate one end, baffle plate (4) is connected with turnout sleeper bolt by interstitial hole, and wall contacts with the wedge locating block afterbody.
2. outer sphenoid adjustment striking flake type fastener according to claim 1, the boss (5-3) that it is characterized in that wedge locating block (3) has the inclined-plane (5-1) of adjusting the shell fragment height, shoulder block (5-2) that the restriction shell fragment moves and beat when disassembling.
3. outer sphenoid adjustment striking flake type fastener according to claim 1 and 2 is characterized in that the anterior chamfered portion of wedge locating block (3) than a rear portion step of narrower formation (5-4), cooperates with the platen inner chamber, so that be assembled to design attitude, is solid construction.
4. outer sphenoid adjustment striking flake type fastener according to claim 1, it is characterized in that platen (5) two ends have the U-shaped draw-in groove, the middle part is shaped on the spill inner chamber (9-1) of placing shell fragment, in the platen inner chamber, be provided with shell fragment support rim (9-2) and prevent that shell fragment from crossing the positive stop lug boss of distortion (9-3), platen one end is shaped on inclined-plane (9-4), and other inner chamber both sides have shell fragment stopper slot (9-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100187893A CN101148854B (en) | 2007-10-20 | 2007-10-20 | Outer sphenoid adjustment striking flake type fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100187893A CN101148854B (en) | 2007-10-20 | 2007-10-20 | Outer sphenoid adjustment striking flake type fastener |
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| Publication Number | Publication Date |
|---|---|
| CN101148854A true CN101148854A (en) | 2008-03-26 |
| CN101148854B CN101148854B (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100187893A Active CN101148854B (en) | 2007-10-20 | 2007-10-20 | Outer sphenoid adjustment striking flake type fastener |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929111A (en) * | 2010-09-09 | 2010-12-29 | 中铁隆昌铁路器材有限公司 | Compensatory self-locking steel rail elastic fastener |
| CN102979012A (en) * | 2012-11-20 | 2013-03-20 | 中铁宝桥集团有限公司 | Locating device and locating method for wedge-shaped adjusting block |
| CN104372722A (en) * | 2014-12-03 | 2015-02-25 | 中国铁建重工集团有限公司 | Dowel elastic sheet type turnout trip switch slide plate |
| CN106528969A (en) * | 2016-10-31 | 2017-03-22 | 努比亚技术有限公司 | Metal shrapnel simulation method and device |
| CN107780310A (en) * | 2017-12-05 | 2018-03-09 | 中国铁建重工集团有限公司 | A kind of railroad switch sliding bed |
| CN112814985A (en) * | 2020-07-16 | 2021-05-18 | 东莞市三标汽车配件有限公司 | Anti-loose fastener for high-speed rail and mounting method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT402747B (en) * | 1995-06-09 | 1997-08-25 | Vae Ag | DEVICE FOR ATTACHING RAIL RAILS IN SOFTWARE |
| DE19548134A1 (en) * | 1995-12-21 | 1997-07-03 | Butzbacher Weichenbau Gmbh | Device for holding down a rail |
| DE10338421A1 (en) * | 2003-08-18 | 2005-04-07 | Bwg Gmbh & Co. Kg | Device for fastening a rail |
| CN100575606C (en) * | 2006-03-10 | 2009-12-30 | 中铁宝桥股份有限公司 | Sphenoid adjustment striking flake type fastener and withhold method |
-
2007
- 2007-10-20 CN CN2007100187893A patent/CN101148854B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929111A (en) * | 2010-09-09 | 2010-12-29 | 中铁隆昌铁路器材有限公司 | Compensatory self-locking steel rail elastic fastener |
| CN102979012A (en) * | 2012-11-20 | 2013-03-20 | 中铁宝桥集团有限公司 | Locating device and locating method for wedge-shaped adjusting block |
| CN104372722A (en) * | 2014-12-03 | 2015-02-25 | 中国铁建重工集团有限公司 | Dowel elastic sheet type turnout trip switch slide plate |
| CN104372722B (en) * | 2014-12-03 | 2017-01-04 | 中国铁建重工集团有限公司 | Pin spring-piece type turnout switch slide plate |
| CN106528969A (en) * | 2016-10-31 | 2017-03-22 | 努比亚技术有限公司 | Metal shrapnel simulation method and device |
| CN106528969B (en) * | 2016-10-31 | 2021-06-15 | 努比亚技术有限公司 | Metal elastic sheet simulation method and device |
| CN107780310A (en) * | 2017-12-05 | 2018-03-09 | 中国铁建重工集团有限公司 | A kind of railroad switch sliding bed |
| CN107780310B (en) * | 2017-12-05 | 2024-01-19 | 中国铁建重工集团股份有限公司 | Slide plate for railway switch |
| CN112814985A (en) * | 2020-07-16 | 2021-05-18 | 东莞市三标汽车配件有限公司 | Anti-loose fastener for high-speed rail and mounting method thereof |
| CN112814985B (en) * | 2020-07-16 | 2022-03-22 | 东莞市三标汽车配件有限公司 | Anti-loose fastener for high-speed rail and mounting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101148854B (en) | 2010-06-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA RAILWAY BAOJI BRIDGE GROUP CO., LTD. Free format text: FORMER NAME: BAOQIAO CO., LTD., MINISTRY OF RAILWAYS |
|
| CP03 | Change of name, title or address |
Address after: 721006 Baoji Qing Jiang Road, Shaanxi, No. 80 Patentee after: China Railway Baoji Bridge Group Co., Ltd. Address before: 721006 Qing Jiang Road, Shaanxi, Baoji Patentee before: Baoqiao Co., Ltd., Ministry of Railways |