CN110588716A - Rail pillow type outer locking device and mounting device matched with same - Google Patents
Rail pillow type outer locking device and mounting device matched with same Download PDFInfo
- Publication number
- CN110588716A CN110588716A CN201910863381.9A CN201910863381A CN110588716A CN 110588716 A CN110588716 A CN 110588716A CN 201910863381 A CN201910863381 A CN 201910863381A CN 110588716 A CN110588716 A CN 110588716A
- Authority
- CN
- China
- Prior art keywords
- locking
- rail
- hook
- iron
- sleeper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910052742 iron Inorganic materials 0.000 claims abstract description 47
- 241001669679 Eleotris Species 0.000 claims description 16
- 235000000396 iron Nutrition 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009193 crawling Effects 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a sleeper-type external locking device and a mounting device matched with the same, and belongs to the technical field of turnout conversion equipment. The outer lock of the invention is provided with the limiting plates at the two sides of the lock hook, so that the lock hook can better adapt to the creeping of the switch rail, the abrasion of the pin shaft of the iron connecting the lock hook and the switch rail and the locking iron is reduced, and the unhooking phenomenon of the repulsion-separation lock hook can be effectively prevented.
Description
Technical Field
The invention relates to the field of turnout switching equipment, in particular to a sleeper type external locking device and a mounting device matched with the same for use.
Background
The prior sleeper-type external locking and mounting device generally adopts a hook-type external locking device and a direct-connected pull rod-type mounting device, and has the problems of point rail swing, latch hook turnover, latch hook and connecting pin shaft blocking caused by improper turnout in the turnout conversion process, unhooking phenomenon of a repulsion off-position latch hook, iron pin shaft connecting latch hook and point rail jumping, impact force of a vibration-generated expression structure to change the size of a gap of a point switch and the like, and certain influence is caused on maintenance and operation of turnout conversion.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sleeper type external locking device which can enable a lock hook to better adapt to the creeping of a switch rail and can effectively prevent the unhooking phenomenon of a repulsion dislocation lock hook and a mounting device matched with the sleeper type external locking device.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
on one hand, the invention provides a sleeper-type external locking device, which is used for locking a switch rail and a stock rail at a turnout and comprises a lock hook and a locking rod, wherein the lock hook is connected with the switch rail, the lock hook is in concave-convex connection with the locking rod, a bulge on the locking rod can be embedded into a groove on the lower part of the lock hook, the lock hook can be driven to switch between a locking state and an unlocking state through the movement of the locking rod, two sides of the lock hook are respectively and fixedly connected with a limiting plate, an extending end of each limiting plate is positioned on two sides of the locking rod, and a connecting rod is connected between the extending ends of the two limiting plates, so that the locking rod is limited in a space between the connecting rod and the lock hook.
Further, the limiting plate is located below the switch rail.
Further, the limiting plate is of an obtuse V-shaped structure, and one V-shaped edge of the limiting plate is attached and fixed to the lock hook.
Furthermore, the lock hook is connected with the switch rail through the switch rail connecting iron, the switch rail connecting iron is connected with the switch rail through a connecting bolt, and a locknut is adopted.
Further, the lock hook is connected with the switch rail connecting iron through a pin shaft.
Furthermore, a joint bearing is additionally arranged at the joint of the lock hook penetrating through the pin shaft.
The stock rail locking device further comprises a locking frame, wherein the locking frame is used for being connected with the stock rail and is matched with the locking hook and the locking rod to realize the locking and unlocking of the stock rail and the switch rail.
Furthermore, the locking frame is provided with a connecting hole used for being connected with the stock rail, and the connecting hole is an oval long hole, so that the adjustment amount of the locking frame and the stock rail is +/-15 mm.
Furthermore, the bottom of the inner frame of the locking frame is provided with a limiting wear-resisting plate which realizes limiting and wear resistance with the locking rod.
Furthermore, the upper part of the inner frame of the locking frame is provided with a locking iron which is used for being in limit clamping with the groove of the locking hook in a locking state
In another aspect, a mounting device for use with the sleeper type external locking device is provided, comprising a show link plate, a joint iron and a tip iron respectively connected to both ends of the show link plate, the show link plate and the tip iron being connected by a pin shaft, the show link plate and the joint iron being connected by a cross structural bolt pin to which a knuckle bearing is added.
Further, the joint bearing is an oil-free self-lubricating joint bearing.
Furthermore, the tip iron and the switch rail are connected through a connecting bolt, and a locknut is adopted.
After adopting such design, the invention has at least the following advantages:
(1) the outer lock of the invention is provided with the limiting plates at the two sides of the lock hook, so that the lock hook can better adapt to the creeping of the switch rail, the abrasion of the pin shaft of the iron connecting the lock hook and the switch rail and the locking iron is reduced, and the unhooking phenomenon of the repulsion-separation lock hook can be effectively prevented.
(2) The fastening mode of the externally locked switch rail connecting iron adopts the locknut, so that the locking effect of the switch rail connecting iron is improved, and the probability of nut loosening is reduced.
(3) The bottom of the locking frame of the outer lock is provided with the limiting wear-resisting plate, the base body of the wear-resisting plate is preferably made of ball-milling cast iron, and the composite self-lubricating material is embedded, so that the wear resistance is improved, and the conversion resistance is reduced.
(4) According to the invention, the oval long hole is arranged at the connecting part of the locking frame and the stock rail, so that the left and right adjustment amount of the locking frame is increased, the whole external locking device can better adapt to the creeping of the switch rail, the requirement of the running of the stock rail is met, and the fault of the external locking block caused by the creeping of the switch rail is reduced.
(5) The connecting mode of the display connecting plate and the joint iron of the mounting device adopts a bolt pin crossing the structure, and a joint bearing is additionally arranged at the position, so that the adaptability of the display rod to the rotation of the switch rail is improved, and the display structure is better suitable for the creeping of the switch rail; the impact force of the point rail jumping and the vibration on the representing structure and the influence on the switch representing notch are reduced, and the probability of representing rod clamping or breakage is reduced.
(6) The invention adopts the joint bearing design to adapt to the crawling and swinging of the movable part of the turnout; the economic and reasonable material treatment process is adopted, so that the service life of the material is prolonged; the defect that the lock hook cannot fall or fall smoothly during unlocking is overcome. The device can overcome the blocking in the processes of turnout unlocking, conversion and locking, and is a novel sleeper type external locking and mounting device which is safe, reliable, good in social and economic benefits.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
FIG. 1 is a schematic cross-sectional view of the outer sleeper lock of the present invention;
FIG. 2 is a side elevational schematic view of one embodiment of the sleeper external lock of the present invention;
FIG. 3 is another side elevational schematic view of one embodiment of the sleeper external lock of the present invention;
FIG. 4 is a side elevational schematic view of one embodiment of the locking frame of the sleeper mode outer lock of the present invention;
FIG. 5 is a schematic structural view of one embodiment of the latch hook of the sleeper mode external latch of the present invention;
FIG. 6 is a cross-sectional structural schematic view of the mounting device of the present invention in use with a sleeper-type external locking device;
fig. 7 is a sectional view a-a of fig. 6.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides an embodiment of a sleeper-type external locking device, as shown in fig. 1 to 5, which is used for locking a switch rail 22 and a stock rail 21 at a turnout, and comprises a locking hook 4 and a locking rod 7, wherein the locking hook 4 is used for being connected with the switch rail 22, the locking hook 4 is in concave-convex connection with the locking rod 7, a bulge on the locking rod 7 can be embedded into a groove at the lower part of the locking hook 4, the locking hook 4 can be driven to be switched between a locking state and an unlocking state through the movement of the locking rod 7, two sides of the locking hook 4 are respectively and fixedly connected with a limiting plate 5, the extending ends of the limiting plates 5 are positioned at two sides of the locking rod 7, a connecting rod 51 is connected between the extending ends of the two limiting plates 5, and the locking rod 7 is limited in a space between.
When the locking device is used, the locking device is matched with the locking frame to lock and unlock the stock rail and the switch rail, the locking hook can be driven to switch between a locking state and an unlocking state through the movement of the locking rod, the limiting plates are arranged on two sides of the locking hook and connected with the connecting rod to form a limiting space, an original mounting hole of the baffle plate on the locking rod can be eliminated, the locking hook can better adapt to the creeping of the switch rail, the abrasion of the pin shaft of the iron connecting pin between the locking hook and the switch rail and the locking iron can be reduced, and the unhooking phenomenon of the dislocating locking hook can be effectively prevented.
The main effect of installing the limiting plate additional lies in that firstly, enable the better adaptation point rail of latch hook and creep, reduce the wearing and tearing of latch hook and point rail connection iron round pin axle, locking iron. When the switch rail climbs, the lock hook reduces inclination and play, so that the abrasion degree with the pin shaft locking iron is greatly reduced, the service life of parts is prolonged, and the safety and the stability of the working operation of the external locking device are greatly ensured. And secondly, the unhooking phenomenon of the repelling off-position lock hook can be effectively prevented. After installing the limiting plate additional, the relative position of latch hook and locking pole has received the restriction, and to a great extent will avoid the trouble that latch hook and locking pole boss break away from, and then to a great extent has guaranteed the safe and stable operation of switch.
To prevent the limit plate from affecting the locking, the limit plate 5 is located below the point rail 22.
Preferably, the limiting plate 5 is a V-shaped with an obtuse angle, and one V-shaped edge of the limiting plate 5 can be attached and fixed with the locking hook 4. The V-shaped limiting plate is more stable in fixing and limiting.
Further, the latch hook 4 can be connected with the point rail 22 through the point rail connecting iron 1, the point rail connecting iron 1 is connected with the point rail 22 through a connecting bolt, and the locknut 2 is adopted. Adopt lock nut, firstly can increase the locking effect of tongue coupling bar, reduced the not hard up probability of nut, secondly avoided the anti-loosening piece because the switch vibrations of passing the car throughout the year to the wearing and tearing of nut to and the improper card of locking piece mounted position to the latch hook, thirdly greatly reduced the dismouting complexity of tongue coupling bar when the field operation, simplified the dismouting process.
Further, the latch hook 4 and the point rail connecting iron 1 can be connected through a pin 3.
As a further improvement, as shown in fig. 5, a joint bearing 31 is additionally arranged at the joint of the latch hook 4 penetrating through the pin shaft 3. Namely, the original point rail lock hook bushing is changed into a joint bearing. The knuckle bearing can automatically adapt to angle change, and the problem that the switch rail cannot creep due to blocking of the lock hook and the connecting pin shaft caused by overturning of the lock hook and incorrect turnout is solved; when the switch tongue is in a locking state, the locking hook and the locking iron are ensured to be in surface contact through the adjustment of the joint bearing; the requirement of the swing of the point rail in the turnout conversion process can be met; the conversion resistance is reduced, and the abrasion is reduced.
Further, the lock device also comprises a locking frame 9 matched with the lock hook 4 and the locking rod 7, wherein the locking frame 9 is used for being connected with the stock rail 21, and the locking frame 9 is matched with the lock hook 4 and the locking rod 7 to realize the locking and unlocking of the stock rail 21 and the switch rail 22.
Preferably, the locking frame 9 is provided with a connecting hole 92 for connecting with the stock rail 21, and the connecting hole 92 is an oblong hole, so that the adjustment amount of the locking frame 9 and the stock rail 21 is ± 15 mm. The locking frame 9 and the stock rail 21 may be connected by a shaft pin 91. The left and right adjustment amount of the locking frame is increased by the arrangement of the oval long hole, so that the whole external locking device can better adapt to the creeping of the switch rail, the requirement of the stock rail on the series motion is met, and the fault of the external locking blockage caused by the creeping of the switch rail is reduced.
Furthermore, the bottom of the inner frame of the locking frame 9 can be provided with a limiting wear-resisting plate 6, which realizes limiting and wear-resisting with the locking rod 7. The preferred ball-milling cast iron that adopts of spacing antifriction plate base member to inlay compound self-lubricating material, improve the wearability, reduce the conversion resistance. The bottom of the locking frame is changed into a limiting wear-resisting plate from an original limiting frame, and a composite self-lubricating material is embedded, so that the wear resistance is improved, and the conversion resistance is reduced.
Furthermore, the upper part of the inner frame of the locking frame 9 is provided with a locking iron 8, and the locking iron 9 is used for being in limited clamping with the groove of the locking hook 4 in a locking state.
The present invention also provides an embodiment of a mounting means for use with the above described sleeper type external locking means, as shown in figures 6 and 7, comprising a connecting plate 12, joint irons 15 and tip irons 10 respectively connected to the two ends of the connecting plate, the connecting plate 12 and tip iron 10 being shown connected by a pin 11, the connecting plate 12 and joint iron 15 being shown connected by means of a cross structural bolt pin 13 and a knuckle bearing 14 added thereto. The spherical plain bearing may preferably be an oil-free self-lubricating spherical plain bearing. The main improvement is as follows: the connection mode of the connecting plate and the joint iron is changed from an original vertically penetrating structural bolt pin to a horizontally penetrating structural bolt pin, and a joint bearing is additionally arranged at the position, so that the adaptability of the indicating rod to the rotation of the switch rail can be improved by adopting the joint bearing, and the indicating structure can be better adapted to the crawling of the switch rail; the impact force of the point rail jumping and the vibration on the representing structure and the influence on the switch representing notch are reduced, and the probability of representing rod clamping or breakage is reduced.
In order to increase the anti-loose effect of the point rail, the point iron 10 and the point rail 22' can be connected through a connecting bolt, and an anti-loose nut is adopted.
One embodiment of the invention may be:
the sleeper-type external locking and mounting device can be matched with the existing conversion equipment for use when being mounted on a turnout. The sleeper formula external locking device is connected iron 1 by the tongue, latch hook 4, limiting plate 5, locking pole 7, locking frame 9, locking iron 8, spacing antifriction plate 6 constitutes, latch hook 4 links together with the switch tongue through round pin axle 3 and tongue connection iron 1, latch hook 4 is unsmooth with locking pole 7 to be connected, 4 recesses of protruding embedding latch hook of locking pole 7, 4 both sides of latch hook set up limiting plate 5, spacing antifriction plate 6 installs in locking frame 9 bottom. The connecting part of the locking frame 9 and the stock rail is provided with an oval long hole, so that the left and right adjustment amount of the locking frame 9 is increased; the anti-loosening mode of the connecting bolt of the point rail and the point rail connecting iron 1 adopts an anti-loosening nut 2. The sleeper type mounting device is composed of a tip iron 10, a pin shaft 11, a display connecting plate 12, a bolt pin 13 crossing the structure, a joint iron 15 and a joint bearing 14, wherein the tip iron 10 is fixed with a tip rail by a check bolt, the display connecting plate 12 is connected with the tip iron 10 by the pin shaft 11, and the joint iron 15 is connected with the display connecting plate 12 by the bolt pin 13. The connecting plate 12 is shown connected with the joint iron 15 in a manner of traversing the structural bolt pin 13 and installing the oilless self-lubricating spherical plain bearing 14 thereon.
The invention adopts the joint bearing design to adapt to the crawling and swinging of the movable part of the turnout; the economic and reasonable material treatment process is adopted, so that the service life of the material is prolonged; the defect that the lock hook cannot fall or fall smoothly during unlocking is overcome. The device can overcome the blocking in the processes of turnout unlocking, conversion and locking, and is a novel sleeper type external locking and mounting device which is safe, reliable, good in social and economic benefits.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a rail pillow formula external locking device for the locking of switch department tongue and stock rail, including latch hook and locking pole, the latch hook is used for being connected with the tongue, the latch hook is unsmooth with the locking pole and is connected, protruding ability embedding on the locking pole the recess of latch hook lower part, through the removal of locking pole can drive the latch hook is locking and is separated the switching between the locking state, its characterized in that, the both sides of latch hook are fixedly connected with limiting plate respectively, just the extension end of limiting plate is located the both sides of locking pole, is connected with the connecting rod between the extension end of two limiting plates, makes the spacing space between connecting rod and latch hook of locking pole.
2. The sleeper-type external locking device of claim 1 wherein the retainer plate is located below the point rail;
and/or the limiting plate is in a V shape with an obtuse angle, and one V-shaped edge of the limiting plate is attached and fixed with the lock hook.
3. The sleeper-type external locking device as claimed in claim 1 or 2, wherein the locking hook is connected to the point rail by a point rail connecting iron, and the point rail connecting iron is connected to the point rail by a connecting bolt and a locknut is used.
4. The sleeper mode external locking device of claim 3 wherein the latch hook is connected to the point rail connection iron by a pin.
5. The sleeper-like external locking device of claim 4 wherein a knuckle bearing is added to the connection of said latch hook through said pin.
6. The sleeper-like external locking device of any one of claims 1 to 5 further including a locking frame adapted to be connected to the stock rail and to cooperate with the locking hook and locking bar to lock and unlock the stock rail and point rail;
the locking frame is provided with a connecting hole used for being connected with the stock rail, and the connecting hole is an oval long hole, so that the adjustment amount of the locking frame and the stock rail is +/-15 mm.
7. The sleeper-type external locking device of claim 6 wherein the bottom of the inner frame of the locking frame is provided with a limiting wear plate for limiting and wearing with the locking bar;
and/or the upper part of the inner frame of the locking frame is provided with a locking iron which is used for being in limit clamping with the groove of the locking hook in a locking state.
8. A mounting device for use with a sleeper type external locking device as defined in any one of claims 1 to 7 including a show link plate, joint irons and tip irons respectively connected to opposite ends of the show link plate, the show link plate and tip irons being connected by a pin shaft, the show link plate and joint irons being connected by a cross structural bolt pin to which a knuckle bearing is attached.
9. The mounting arrangement of claim 8, wherein the spherical plain bearing is an oil-free self-lubricating spherical plain bearing.
10. The mounting device as claimed in claim 8 or 9, wherein the tip iron and the point rail are connected by a connecting bolt and a locknut is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863381.9A CN110588716A (en) | 2019-09-12 | 2019-09-12 | Rail pillow type outer locking device and mounting device matched with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863381.9A CN110588716A (en) | 2019-09-12 | 2019-09-12 | Rail pillow type outer locking device and mounting device matched with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110588716A true CN110588716A (en) | 2019-12-20 |
Family
ID=68859234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910863381.9A Pending CN110588716A (en) | 2019-09-12 | 2019-09-12 | Rail pillow type outer locking device and mounting device matched with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110588716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634307A (en) * | 2020-05-13 | 2020-09-08 | 罗绍弟 | Switch machine external locking mechanism for switch conversion |
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| DE102012218557B3 (en) * | 2012-10-11 | 2014-03-13 | Upz Sitech Gmbh | Switch hand closure for blocking railway switch for locking railway track for train service for determined time, has connection unit formed with single or multi-bent levers, where side piece of one of levers is designed as counterweight |
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| CN210478708U (en) * | 2019-09-12 | 2020-05-08 | 太原市京丰铁路电务器材制造有限公司 | Rail pillow type outer locking device and mounting device matched with same |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634307A (en) * | 2020-05-13 | 2020-09-08 | 罗绍弟 | Switch machine external locking mechanism for switch conversion |
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