CN209584734U - A kind of cushion early warning failure component of non-fragment orbit fastener - Google Patents

Abstract

The utility model belongs to high speed railway track maintenance technical field of construction, more particularly to a kind of cushion early warning failure component of non-fragment orbit fastener, including trigger unit and warning signal releasing unit, the trigger unit is mounted in the Vertical Channel below rail, the Vertical Channel is arranged through iron chair and cushion, trigger unit fitted to be the rail foot surface when cushion is settled down to critical value or less can generate extruding to trigger unit, and the extruding can be acted the starting operation for being converted into warning signal releasing unit by trigger unit.Cushion can generate aging since long-time is squeezed by rail, cushion performance reduces, it settles and increases so as to cause rail, the utility model cleverly detects cushion failure degree using rail subsiding extent, and be presented in cushion failure conditions outside fastener in time using prior-warning device, so that maintenance personnel is found and is repaired in time.

Description

A kind of cushion early warning failure component of non-fragment orbit fastener

Technical field

The utility model belongs to high speed railway track maintenance technical field of construction, and in particular to a kind of non-fragment orbit fastener Cushion early warning failure component.

Background technique

Rail clip is the central link part between rail and sleeper, and assembling quality directly influences the assembly of rail Precision and reliability.Non-fragment orbit is a kind of rail system for being specifically applied to bullet train, mainly by concrete railway board And sleeper, fastener and rail composition, the non-fragment orbit main distinction compared with common railway track being arranged on track plates are: Common railway track generally uses railway ballast as substrate, its advantage is that easy for construction, maintenance cost bottom, the disadvantage is that sedimentation is more bright It is aobvious, required by addition having to the speed of service of train, if the speed of service is too fast to will lead to railway ballast splashing；And non-fragment orbit is due to base Bottom is rigid, such that the problem of very good solution sedimentation and railway ballast splash.However the maintenance of non-fragment orbit construction is wanted More complicated than common Ballast track is more, and for common Ballast track since substrate is more soft, replacement sleeper is more convenient, and right For non-fragment orbit, since substrate is integral type pouring molding, single sleeper can not be replaced.Integral replacing Cost is again too high, it is impossible to the high-frequency extensive replacement construction of progress.This requires railroad maintenance personnel to carry out nothing in time The daily maintenance of tiny fragments of stone, coal, etc. track is repaired, and is accomplished early discovery, early maintenance, is improved the service life of track entirety as far as possible.However without slag rail The fastener system in road is generally installed more intensively, and railroad maintenance personnel are difficult that there are failures by which fastener be observed visually Risk, therefore just need one kind can be when fastener breaks down, it is easy to it is maintained the rail fastener system of personnel's identification.

Utility model content

The purpose of the utility model is to provide a kind of cushion early warning failure components of non-fragment orbit fastener, work as fastener system In cushion this vulnerable part failure when, personnel can be maintained and find and repair in time, so that improving the entirety of track makes Use the service life.

To achieve the above object, the utility model provides following technical scheme: a kind of cushion of non-fragment orbit fastener Early warning failure component, including trigger unit and warning signal releasing unit, the trigger unit are mounted below rail one perpendicular In straight channel, which is arranged through iron chair and cushion, trigger unit fitted to be when cushion be settled down to it is critical Rail foot surface can generate extruding to trigger unit when value is following, and the extruding can be acted and be converted into letter of warning by trigger unit The starting operation of number releasing unit.

The trigger unit includes the first compression leg and the second compression leg, and first compression leg and the second compression leg are along the vertical direction just Pair and the composite layer of interval setting, the upper end of first compression leg and iron chair and cushion composition top surface it is relatively fixed, the The lower end of one compression leg naturally droops, and the height of the first compression leg is less than the sum of iron chair and the thickness of cushion；Second compression leg edge Vertical direction is movably arranged in the first counterbore opened up on rail support groove slot bottom, and the upper end is not when the second compression leg is located at highest order Higher than the slot bottom of rail support groove, Flexible element is equipped in first counterbore, the Flexible element fitted to be its elastic force and can drive The second compression leg is set to generate the trend moved upwards.

The cushion includes upper cushion and lower cushion, and the upper cushion is located at rail foot surface and iron chair top surface Between, lower cushion is between iron chair bottom surface and rail support groove slot bottom.The upper surface of the upper cushion is equipped with the second counterbore, Through-hole is equipped with the second counterbore corresponding position on the iron chair and lower cushion；The upper end of first compression leg is equipped with radial The hole shoulder gear of flange, the radial flange and the second counterbore connects, and the upper surface of the first compression leg is concordant with the upper surface of upper cushion.

Second compression leg and Flexible element are integrated in a sleeve, and the sleeve both ends are equipped with convex Shen radially inward Flange, the upper end of second compression leg are equipped with the block of radially convex Shen, the flange underside of the block and sleeve upper end Gear connects, and the Flexible element is pressure spring, and the pressure spring is set on the second compression leg and pressure spring both ends are born against in block and set Between the flange of cylinder lower end；The sleeve is detachable to be inserted into the first counterbore.

The warning signal releasing unit includes reservoir, and coloured dye liquor, the reservoir are stored in the reservoir Below trigger unit, space is equipped with the pipeline system being connected on rail support groove concrete bed side wall where the reservoir System, when trigger unit is squeezed by rail, trigger unit can rack reservoir, to make the coloured dye liquor in reservoir It trickles along pipe-line system to the outer wall of rail support groove concrete bed.

The warning signal releasing unit further includes a screw rod, offers a bolt in the rail support groove concrete bed Hole, the bolt hole are connected on the side wall of rail support groove concrete bed obliquely from the second counterbore lower end, and the screw rod is interspersed In bolt hole, a blind hole is offered on the body of rod of the screw rod inner end, when screw rod is fully inserted into bolt hole, the blind hole and the Two counterbore faces, the reservoir are placed in the blind hole, and deflector hole is provided in the axial direction in the screw rod, the deflector hole Inner end is connected to blind via bottom, and the outer end face of screw rod is run through in the outer end of deflector hole.

The bottom hole of the blind hole is equipped with the sharp portion for puncturing reservoir.

The reservoir is glass tube closed at both ends.

The warning signal releasing unit includes signal lamp, power supply and current interruptive device, and the signal lamp, which is mounted on, to be held On the side wall of track slot concrete bed, power supply and current interruptive device are mounted in rail support groove concrete bed, and wherein electric current hinders Disconnected device is located at below trigger unit, and the signal lamp is connected with power supply, and the current interruptive device fitted to be energy under normality Enough closed circuits for forming signal lamp and power supply disconnect, and can be by institute when current interruptive device is toggled unit extruding State closed circuit conducting.

The power supply is button cell, and the power supply is connected by electrode slice and conducting wire with signal lamp positive and negative anodes, the electricity Flowing occluding device includes the insulating trip being inserted between button cell and electrode slice, is connected with pull-out unit on the insulating trip, The pull-out unit is movably arranged on along the vertical direction below trigger unit, can drive pull-out unit when trigger unit pushes Insulating trip is extracted out between button cell and electrode slice.

The technical effect that the utility model obtains are as follows: cushion can generate aging since long-time is squeezed by rail, delay Punching performance reduces, and settles and increases so as to cause rail, and the utility model cleverly detects cushion using rail subsiding extent Failure degree, and be presented in cushion failure conditions outside fastener in time using prior-warning device, keep maintenance personnel timely It was found that and maintenance.

Detailed description of the invention

Fig. 1 is non-fragment orbit module schematic perspective view provided by the embodiments of the present invention；

Fig. 2 is the side view that the failure fastener of non-fragment orbit provided by the embodiments of the present invention replaces Construction State；

Fig. 3 is the three-dimensional equipment configuration schematic diagram of non-fragment orbit fastener provided by the embodiments of the present invention；

Fig. 4 is the explosive view of non-fragment orbit fastener provided by the embodiments of the present invention；

Fig. 5 is the top view of non-fragment orbit fastener provided by the embodiments of the present invention；

Fig. 6 is the A-A cross-sectional view of Fig. 5；

Fig. 7 is the I partial enlarged view of Fig. 6；

Fig. 8 is the II partial enlarged view of Fig. 6；

Fig. 9 is a kind of schematic diagram of early warning component station one provided by the embodiments of the present invention；

Figure 10 is the schematic diagram of the station of early warning component shown in Fig. 9 two.

Specific embodiment

In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into Row is specific bright.It should be appreciated that following text is only used to one or more of specific embodiments of description the utility model, and Considered critical is not carried out to the protection scope that the utility model is specifically requested.

As shown in figure 3, a kind of non-fragment orbit fastener system, including iron chair 26, gauge apron 24, spring 22, anchoring spiral shell Bolt 21, collets 23 and cushion 25；The iron chair 26 is for being mounted between rail 10 and rail support groove 20, the buffering Pad 25 is made of elastic material, and cushion 25 is used to be mounted between 26 top surface of 10 bottom surface of rail and iron chair and/or iron chair Between 20 slot bottom of 26 bottom surfaces and rail support groove, the gauge apron 24 is installed in place rear gauge for being mounted on 10 two sides of rail 24 two sides of baffle are laterally pushed against with the vertical block on the concrete block and iron chair 26 of 20 side of rail support groove respectively, described Collets 23 are gusset shape, and the collets 23 are used to be mounted on the corner of 10 bottom plate two sides of rail, and the spring 22 compresses On the gauge apron 24 and collets 23, the anchor bolt 21 is used to connect the service sleeve 211 in sleeper, anchors spiral shell The bolt head of bolt 21 compresses spring 22；System further includes cushion early warning failure component 30, and the failure of cushion 25 pre-tightens Component, which is fitted to be when 25 thickness of cushion is settled down to critical value or less, can trigger cushion early warning failure component 30 outward Discharge visual pre-warning signal.The utility model integrates cushion early warning failure component 30 in existing rail clip system, works as button When 25 aged deterioration of cushion in part system, cushion early warning failure component 30 can generate intuitive pre-warning signal, so as to Railroad maintenance personnel have found and replace in time, have minimized since fastener damage is to loss caused by rail 10, Improve the whole service life without slag track.

Preferably, as shown in fig. 6, the cushion early warning failure component 30 includes that trigger unit and warning signal release are single Member, the trigger unit are mounted in a Vertical Channel, which is arranged through iron chair 26 and cushion 25, and triggering is single Member fitted to be 10 bottom surface of rail when cushion 25 is settled down to critical value or less can generate extruding to trigger unit, and trigger The extruding can be acted the starting operation for being converted into warning signal releasing unit by unit.Cushion 25 is since long-time is by steel The extruding of rail 10 can generate aging, and cushion performance reduces, and settles and increases so as to cause rail 10, and the utility model cleverly utilizes steel 25 failure conditions of cushion are presented in detect 25 failure degree of cushion using prior-warning device by 10 subsiding extent of rail in time Outside fastener, maintenance personnel is enable to find and repair in time.

Preferably, as shown in Fig. 4,6, the trigger unit includes the first compression leg 31 and the second compression leg 32, first pressure Column 31 and face and the interval setting along the vertical direction of the second compression leg 32, upper end and the iron chair 26 and buffering of first compression leg 31 The top surface for the composite layer that pad 25 forms is relatively fixed, and the lower end of the first compression leg 31 naturally droops, and the height of the first compression leg 31 is small In the sum of the thickness of iron chair 26 and cushion 25；Second compression leg 32 is movably arranged on 20 slot bottom of rail support groove along the vertical direction and opens If the first counterbore 201 in, and the upper end is not higher than the slot bottom of rail support groove 20 when the second compression leg 32 is located at highest order, described first Flexible element 322 is equipped in counterbore 201, the Flexible element 322, which fitted to be its elastic force, can drive the second compression leg 32 to generate The trend moved upwards.The sedimentation segmentation of rail 10 is transferred to pre- by the utility model using the first compression leg 31 and the second compression leg 32 Alarm device, the normal transmitting of the pressure not only guaranteed, but also will not handling to cushion 25 and installation cause to stop.

As one embodiment of the utility model, the cushion 25 includes upper cushion 251 and lower cushion 252, The upper cushion 251 is located between 26 top surface of 10 bottom surface of rail and iron chair, lower cushion 252 be located at 26 bottom surface of iron chair with Between 20 slot bottom of rail support groove.The upper surface of the upper cushion 251 is equipped with the second counterbore 253, the iron chair 26 and lower buffering Through-hole is equipped with 253 corresponding position of the second counterbore on pad 252；The upper end of first compression leg 31 is equipped with radial flange, the diameter It is connect to the hole shoulder gear of flange and the second counterbore 253, and the upper surface of the first compression leg 31 is concordant with the upper surface of upper cushion 251. The first compression leg 31 in the present embodiment is synchronous with the dismounting of upper cushion 251, and the first compression leg 31 is set in the second counterbore 253, really It is smooth to have protected 251 upper surface of upper cushion, has not influenced the overall mechanical properties of upper cushion 251.Other first compression leg 31 with it is upper 251 upper surface of cushion concordantly ensures that the first compression leg 31 can really reflect the sedimentation situation of 10 bottom surface of rail, avoids judging by accident.

Second compression leg 32 and Flexible element 322 are integrated in a sleeve 321, and 321 both ends of sleeve are equipped with along diameter To the flange to convex Shen, the upper end of second compression leg 32 is equipped with the block of radially convex Shen, the block and sleeve The flange underside gear of 321 upper ends connects, and the Flexible element 322 is pressure spring, and the pressure spring is set on the second compression leg 32 and pressure spring Both ends are born against between the flange of 321 lower end of block and sleeve；The sleeve 321 it is detachable be inserted into the first counterbore In 201.Second compression leg 32 is packaged as a whole with Flexible element 322, easy to disassemble and replacement.

As the preferred embodiment of the utility model, as shown in Figure 6,7, the warning signal releasing unit includes reservoir 33, coloured dye liquor is stored in the reservoir 33, the reservoir 33 is located at below trigger unit, where the reservoir 33 Space is equipped with the pipe-line system being connected on 20 concrete bed side wall of rail support groove, when trigger unit is squeezed by rail 10, Trigger unit can rack reservoir 33, so that the coloured dye liquor in reservoir 33 be made to trickle along pipe-line system to rail support groove 20 On the outer wall of concrete bed.The utility model is provided early warning using coloured dye liquor and mainly had the advantage that, first, material at This is low, processes and install more convenient, second, can just be corroded for a long time by rainwater and dust storm after dye liquor outflow, be capable of providing Long period continues early warning, third, reservoir 33 is purely mechanical structure, without the expendables original part such as power supply, ties up without midway Shield.

Preferably, as shown in Fig. 4,6, the warning signal releasing unit further includes a screw rod 301, and the rail support groove 20 is mixed A bolt hole is offered in solidifying soil pedestal, the bolt hole is connected to 20 coagulation of rail support groove from 253 lower end of the second counterbore obliquely On the side wall of native pedestal, the screw rod 301 is interspersed in bolt hole, offers a blind hole on the body of rod of 301 inner end of screw rod 304, when screw rod 301 is fully inserted into bolt hole, 253 face of the blind hole 304 and the second counterbore, the reservoir 33 is placed in this In blind hole 304, deflector hole 302, the inner end and 304 bottom of blind hole of the deflector hole 302 are provided in the axial direction in the screw rod 301 The outer end face of screw rod 301 is run through in connection, the outer end of deflector hole 302.Reservoir 33 and deflector hole 302 are all integrated on screw rod 301, Convenient for replace and clean deflector hole 302 to reservoir 33.

Preferably, the bottom hole of the blind hole 304 is equipped with the sharp portion 305 for puncturing reservoir 33, to make reservoir 33 rupture from bottom first, it is ensured that dye liquor sufficiently flows out.

Reservoir 33 can be made of following several forms: reservoir 33 is glass tube closed at both ends；Reservoir 33 wraps Vessel open at one end is included, the opening of vessel is sealed using hot sealing process；Reservoir 33 is made of flexible material Sealing bag bead.

Preferably, described as shown in figure 8, being embedded at the outer end aperture of the bolt hole with externally threaded expansion sleeve Screw rod 301 is interspersed in expansion sleeve and the nut by installing on expansion sleeve clamps.Without rotating screw rod 301 in disassembly process, Ensure that reservoir 33 can be to be correctly oriented in insertion mounting hole.

As another embodiment of the utility model, as shown in Figures 9 and 10, the warning signal releasing unit includes signal Lamp 34, power supply 35 and current interruptive device 36, the signal lamp 34 are mounted on the side wall of 20 concrete bed of rail support groove, power supply 35 and current interruptive device 36 be mounted in 20 concrete bed of rail support groove, wherein current interruptive device 36 is located under trigger unit Side, the signal lamp 34 are connected with power supply 35, and the current interruptive device 36 is fitted to be under normality can be by 34 He of signal lamp The closed circuit that power supply 35 forms disconnects, and can be closed back described when current interruptive device 36 is toggled when unit squeezes Road conducting.The power supply 35 is button cell, and the power supply 35 is connected by electrode slice 37 and conducting wire with 34 positive and negative anodes of signal lamp, The current interruptive device 36 includes the insulating trip being inserted between button cell and electrode slice 37, and the insulating trip is by the upper half Conductive part 361 and the insulation division 362 of lower half constitute, be connected with pull-out unit, the pull-out unit edge on the insulating trip Vertical direction is movably arranged below trigger unit, can drive pull-out unit by insulating trip from button when trigger unit pushes It is extracted out between battery and electrode slice 37.The signal lamp 34, power supply 35 and current interruptive device 36 are integrated on a tubular base, Mounting hole is preset in 20 concrete bed of rail support groove, the tubular base is detachable to be inserted into the mounting hole. The advantages of embodiment, is that warning signal is more intuitive, can quickly be discovered at night.

As shown in Figure 1, 2, it is as follows to replace construction method for the cushion 25 of above-mentioned non-fragment orbit fastener:

Step 1: rail polling, railroad maintenance personnel check fastener along track one by one, observe on each 20 side wall of rail support groove Whether cushion early warning failure component 30 issues warning signal, and illustrates that the cushion 25 of the fastener has lost if issuing warning signal Effect, enters step 2；

Step 2: building track Auxiliary support 40, Auxiliary support 40 is installed in 20 two sides of rail support groove of failure fastener, it is ensured that The top and bottom end of Auxiliary support 40 are pushed against with 10 bottom surface of rail and sleeper top surface respectively；

Step 3: the adjacent fastener of failure fastener and its two sides being removed, 1-3 fastener is removed in every side；

Step 4: Auxiliary support 40 is lifted 0.5-1mm；

Step 5: the iron chair 26 for fastener bottom of failing and cushion 25 being taken out from 20 one end of rail support groove, while being taken out slow First compression leg 31 of punching pad early warning failure component 30；And by cushion early warning failure component 30 out of rail support groove 20 concrete bed Extraction；

Step 6: checking whether the second compression leg 32 work in rail support groove 20 is normal, if there are corrosions, stuck phenomenon；If It takes out and replaces together together with pressure spring, sleeve 321 in the presence of abnormal then pushed down second；Step is directly entered if without exception 7；

Step 7: more renewing cushion 25, be first bonded new cushion 25 with about 26 two sides of iron chair removed, and will First compression leg 31 is placed in the counterbore of 25 upper end of cushion；Then together by iron chair 26, cushion 25 and the first compression leg 31 10 lower section of rail is filled in from 20 one end of rail support groove；

Step 8: readjusting or replace cushion early warning failure component 30, and the cushion after adjustment or replacement is failed Early warning component 30 is packed into 20 concrete bed of rail support groove；

Step 9: removing Auxiliary support 40；

Step 10: the fastener of all dismountings is resetted；

Step 11: checking track finish, polished rail 10, cleaned；

Step 12: the replacement construction of cushion 25 is completed.

In the step 2, the setting spacing between Auxiliary support 40 and failure fastener is 30cm.

40 jack of the Auxiliary support.

The cushion early warning failure component 30 includes reservoir 33 and screw rod 301, has been stored in the reservoir 33 Color dye liquor offers a bolt hole in 20 concrete bed of rail support groove, and the bolt hole is oblique from 253 lower end of the second counterbore Under be connected on the side wall of 20 concrete bed of rail support groove, the screw rod 301 is interspersed in bolt hole, 301 inner end of screw rod The body of rod on offer a blind hole 304, the reservoir 33 is placed in the blind hole 304, is opened up in the screw rod 301 along axial direction There is deflector hole 302, the inner end of the deflector hole 302 is connected to 304 bottom of blind hole, and the outer end of deflector hole 302 is through screw rod 301 Outer end face.

In step 8, after cushion early warning failure component 30 being removed, damaged reservoir 33 is taken out, then to screw rod Blind hole 304 and deflector hole 302 on 301 are cleaned, and are retell new reservoir 33 and are put into blind hole 304, finally again by cushion Early warning failure component 30 is packed into the concrete bed of rail support groove 20.

The cushion early warning failure component 30 includes signal lamp 34, power supply 35 and current interruptive device 36, the power supply 35 be button cell, and the power supply 35 is connected by electrode slice 37 and conducting wire with 34 positive and negative anodes of signal lamp, the current blocking dress Setting 36 includes the insulating trip being inserted between button cell and electrode slice 37, is connected with pull-out unit on the insulating trip, described Signal lamp 34, power supply 35 and current interruptive device 36 are integrated on a tubular base, pre- in 20 concrete bed of rail support groove Equipped with mounting hole, the tubular base is detachable to be inserted into the mounting hole.

In step 8, by cushion early warning failure component 30 remove after, only insulating trip need to be resetted, make signal lamp 34 with Power supply 35 disconnects, and can reinstall cushion early warning failure component 30 in mounting hole.

The step 2 arrives the entire construction process control of step 11 within half an hour.

In the step 3,2 fasteners are removed in every side.

40 rising height of Auxiliary support described in the step 4 is 0.5mm.

The above method is not necessarily to carry out cutting the replacement that can be achieved with cushion 25 to track, improves non-fragment orbit fastener Maintenance efficiency is avoided and is impacted due to track construction to railway operation.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and Retouching also should be regarded as the protection scope of the utility model.The structure that does not specifically describe and illustrate in the utility model, device And operating method, it unless otherwise instructed and limits, is implemented according to the conventional means of this field.

Claims (10)

1. a kind of cushion early warning failure component of non-fragment orbit fastener, it is characterised in that: including trigger unit and warning signal Releasing unit, the trigger unit are mounted in the Vertical Channel below rail (10), which runs through iron chair (26) and cushion (25) setting, trigger unit fitted to be rail (10) bottom when cushion (25) is settled down to critical value or less Face can generate extruding to trigger unit, and the extruding can be acted and be converted into opening for warning signal releasing unit by trigger unit Movement.

2. the cushion early warning failure component of non-fragment orbit fastener according to claim 1, it is characterised in that: the triggering Unit includes the first compression leg (31) and the second compression leg (32), and first compression leg (31) and the second compression leg (32) are along the vertical direction just Pair and interval setting, the top surface of the composite layer of the upper end of first compression leg (31) and iron chair (26) and cushion (25) composition Relatively fixed, the lower end of the first compression leg (31) naturally droops, and the height of the first compression leg (31) is less than iron chair (26) and buffering Pad the sum of the thickness of (25)；It is heavy that second compression leg (32) is movably arranged on first opened up on rail support groove (20) slot bottom along the vertical direction In hole (201), and slot bottom of the upper end not higher than rail support groove (20) when the second compression leg (32) is located at highest order, first counterbore (201) Flexible element (322) are equipped in, the Flexible element (322), which fitted to be its elastic force, can drive the second compression leg (32) Generate the trend moved upwards.

3. the cushion early warning failure component of non-fragment orbit fastener according to claim 2, it is characterised in that: the buffering Padding (25) includes upper cushion (251) and lower cushion (252), and the upper cushion (251) is located at rail (10) bottom surface and iron Between backing plate (26) top surface, lower cushion (252) is located between iron chair (26) bottom surface and rail support groove (20) slot bottom；It is described slow The upper surface of punching pad (251) is equipped with the second counterbore (253), on the iron chair (26) and lower cushion (252) with the second counterbore (253) corresponding position is equipped with through-hole；The upper end of first compression leg (31) is equipped with radial flange, and the radial flange and second are sunk The hole shoulder gear in hole (253) connects, and the upper surface of the first compression leg (31) is concordant with the upper surface of upper cushion (251).

4. the cushion early warning failure component of non-fragment orbit fastener according to claim 3, it is characterised in that: described second Compression leg (32) and Flexible element (322) are integrated in a sleeve (321), and sleeve (321) both ends are equipped with convex radially inward The flange of Shen, the upper end of second compression leg (32) are equipped with the block of radially convex Shen, on the block and sleeve (321) The flange underside gear at end connects, and the Flexible element (322) is pressure spring, and the pressure spring is arranged on the second compression leg (32) and pressure spring two End is born against between block and the flange of sleeve (321) lower end；The sleeve (321) it is detachable to be inserted into first heavy In hole (201).

5. the cushion early warning failure component of non-fragment orbit fastener according to claim 1, it is characterised in that: described to warn Signal releasing unit includes reservoir (33), stores coloured dye liquor in the reservoir (33), the reservoir (33) is located at Below trigger unit, space is equipped with the pipeline being connected on rail support groove (20) concrete bed side wall where the reservoir (33) System, when trigger unit is squeezed by rail (10), trigger unit can rack reservoir (33), to make reservoir (33) the coloured dye liquor in trickles along pipe-line system to the outer wall of rail support groove (20) concrete bed.

6. the cushion early warning failure component of non-fragment orbit fastener according to claim 5, it is characterised in that: described to warn Signal releasing unit further includes a screw rod (301), offers a bolt hole, the spiral shell in rail support groove (20) concrete bed Keyhole is connected on the side wall of rail support groove (20) concrete bed obliquely from the second counterbore (253) lower end, the screw rod (301) It is interspersed in bolt hole, offers a blind hole (304) on the body of rod of screw rod (301) inner end, when screw rod (301) is fully inserted into When bolt hole, the blind hole (304) and the second counterbore (253) face, the reservoir (33) are placed in the blind hole (304), institute It states and is provided in the axial direction with deflector hole (302) in screw rod (301), the inner end and blind hole (304) bottom of the deflector hole (302) connect Logical, the outer end face of screw rod (301) is run through in the outer end of deflector hole (302).

7. the cushion early warning failure component of non-fragment orbit fastener according to claim 6, it is characterised in that: the blind hole (304) bottom hole is equipped with the sharp portion (305) for puncturing reservoir (33).

8. the cushion early warning failure component of non-fragment orbit fastener according to claim 5, it is characterised in that: the liquid storage Capsule (33) is glass tube closed at both ends.

9. the cushion early warning failure component of non-fragment orbit fastener according to claim 1, it is characterised in that: described to warn Signal releasing unit includes signal lamp (34), power supply (35) and current interruptive device (36), and the signal lamp (34), which is mounted on, holds On the side wall of track slot (20) concrete bed, power supply (35) and current interruptive device (36) are mounted on rail support groove (20) concrete bottom In seat, wherein current interruptive device (36) is located at below trigger unit, and the signal lamp (34) is connected with power supply (35), the electricity Stream occluding device (36), which is fitted to be under normality, to disconnect the closed circuit that signal lamp (34) and power supply (35) form, and is worked as Current interruptive device (36) is toggled when unit squeezes and the closed circuit can be connected.

10. the cushion early warning failure component of non-fragment orbit fastener according to claim 9, it is characterised in that: the electricity Source (35) is button cell, and the power supply (35) is connected by electrode slice (37) and conducting wire with signal lamp (34) positive and negative anodes, described Current interruptive device (36) includes the insulating trip being inserted between button cell and electrode slice (37), is connected on the insulating trip Pull-out unit, the pull-out unit are movably arranged on along the vertical direction below trigger unit, can be driven when trigger unit pushes Dynamic pull-out unit extracts insulating trip out between button cell and electrode slice (37).