CN208472460U - The automatic compensation steel sleeper of separate type sedimentation - Google Patents

The automatic compensation steel sleeper of separate type sedimentation Download PDF

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Publication number
CN208472460U
CN208472460U CN201821089932.8U CN201821089932U CN208472460U CN 208472460 U CN208472460 U CN 208472460U CN 201821089932 U CN201821089932 U CN 201821089932U CN 208472460 U CN208472460 U CN 208472460U
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CN
China
Prior art keywords
steel sleeper
worm
screw
spring case
elevator chamber
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Expired - Fee Related
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CN201821089932.8U
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Chinese (zh)
Inventor
张鹏飞
朱勇
赖啸龙
雷晓燕
桂昊
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East China Jiaotong University
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East China Jiaotong University
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Priority to CN201821089932.8U priority Critical patent/CN208472460U/en
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Publication of CN208472460U publication Critical patent/CN208472460U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of automatic compensation steel sleeper of separate type sedimentation, it is characterized in that, elevator chamber is placed in steel sleeper housing cavity, the bottom of elevator chamber is provided with three screw holes of symmetric arrays, screw rod passes through screw hole respectively and is threadedly coupled with elevator chamber, and the bottom of screw rod is provided with groove, the tenon cooperation on the groove and worm gear of screw rod bottom, worm-wheel hub lower end surface is fixed in steel sleeper boss, and worm gear is engaged with the intracorporal worm screw of steel sleeper shell;Spring case is installed on steel sleeper housing bottom, spring case internal planar scroll spring and roller gear, and plane scroll spring outer end is fixed on spring case inner wall, and inner end is connected with roller gear wheel hub;One end of worm screw is cased with bearing and is placed in inside spring case, and worm screw is meshed with roller gear.The utility model is discharged using the mechanical energy of accumulation energy type plane scroll spring, is driven worm gear rotation, is compensated sedimentation automatically by the rotation of worm-wheel hub tenon and the interlocking and screw rod of screw rod bottom groove, it has structure simple, the features such as capable of automatically adjusting.

Description

The automatic compensation steel sleeper of separate type sedimentation
Technical field
The utility model relates to railway traffic equipment, especially a kind of automatic compensation steel sleeper of separate type sedimentation.
Background technique
Currently, the development of China railways must be premised on high stationarity, high-comfort, high security, therefore, it is necessary to protect Demonstrate,prove the high stability of sub-rail foundation.Influence of the sub-rail foundation sedimentation to sub-rail foundation stability is very significant, and route is in the operation phase Between there is the problems such as local subsidence, differential settlement and will seriously affect travel safety and passenger's comfort.When train height When speed passes through, vehicle-rail interaction forces aggravation causes route to generate irregularity, accelerates the deterioration of track circuit state, contracting In the maintenance period of short track circuit, increase the maintenance cost of track circuit, driving peace is very likely threatened when serious Entirely.
Often multiple positions generate jointly again for the formation of rail track sub-rail foundation sedimentation, and many factors are coefficient As a result, the position settled is predominantly located at bedding position, ground position and railway roadbed position, and influence factor mainly have it is following several Kind: 1. sedimentation caused by structural factor;2. sedimentation caused by extraneous effect of natural environment;3. sedimentation caused by human activity;④ Regional subsidence caused by level of ground water;5. differential settlement caused by changeover portion difference.Cause rail track settle five kinds In factor, and with uneven caused by sedimentation caused by sedimentation caused by structural factor, extraneous natural cause and changeover portion difference It is especially prominent to settle these three.And the position that Settlement diseases generate is mostly based on ground and bedding bottom.For ground and bedding The regulation method of deep settlement mainly has local change to fill out method for strengthening, compaction pile method for strengthening, Geotechnical Composite Materials in Strengthening method and note Starch method for strengthening etc..
For the mutation for reducing route rigidity between different line constructions, need non-fragment orbit and Ballast track, roadbed with Changeover portion is arranged in the junction of bridges and culverts, roadbed and tunnel and embankment and cutting, to realize transition segment limit interior lines road rigidity gradually Become transition.The common processing method of changeover portion has: one, in the softer side of changeover portion, increasing bedding rigidity, reduce Embankment Subsidence. Specific processing method has following several: 1. rubble class quality material fills method;2. reinforcement local method;3. preferable using mechanical property Lightweight material, such as: EPS, artificial cellular concrete etc.;4. transition plates method;5. being located at the changeover portion of soft clay area, can also examine Worry is filled using light material, such as two-ash soil other fillers.Two, in the softer side of changeover portion, increase track vertical rigidity.Tool Body processing method has following several: 1. enhancing track vertical rigidity by adjusting the spacing between length of sleeper and sleeper;② Orbit rigidity is improved by increasing section of track rigidity;3. improving orbit rigidity by thickening thickness of ballast bed.Three, changeover portion compared with Hard side reduces track vertical rigidity.Specific processing method has: the 1. rubber softer by the rail underlay in track circuit Pad;2. in sleeper underlay high elastic rubber pad;3. increasing on bridge, railway ballast thickness in tunnel;4. overlaying railway ballast pad etc. to adjust rail Road vertical rigidity.
Above-mentioned measure method is for reducing the stiffness variation rate between the sedimentation of route and different line constructions with good Effect, but not can solve settlement of subgrade cause two sides rail track irregularity problem and by between different structure because of poor rigidity Caused rail level bends problem, and lacks automaticity and real-time, and remedial technology technique is cumbersome, expends a large amount of maintenances Financial resources and manpower, therefore there is certain limitation.
Summary of the invention
The purpose of this utility model is just to provide the automatic compensation steel of separate type sedimentation that a kind of structure is simple, can automatically adjust Pillow.
The automatic compensation steel sleeper of separate type sedimentation of the utility model, including steel sleeper shell, elevator chamber, rail by fastener with Elevator chamber connection, which is characterized in that elevator chamber is placed in steel sleeper housing cavity, and the bottom of elevator chamber is provided with the three of symmetric arrays A screw hole, three screw rods pass through screw hole respectively and are threadedly coupled with elevator chamber, and the bottom of every screw rod is provided with axial notch, screw rod The axial notch of bottom and the tenon of worm-wheel hub upper surface are fitted close, and worm-wheel hub lower end surface is cased with bearing and is fixed on steel In the boss for resting the head on inner surface, worm gear is engaged with the intracorporal worm screw of steel sleeper shell is fixed on;Spring case passes through fixation hole spiral shell thereon Bolt is installed on steel sleeper housing bottom, spring case internal planar scroll spring and roller gear, and plane scroll spring outer end is fixed on On spring case inner wall, inner end is connected with roller gear wheel hub, and the other end of roller gear wheel hub is nested with bearing, and is fixed on spring On box end cap, spring case is connected with spring case end cap;One end of worm screw is cased with bearing and is placed in inside spring case, worm screw and cylinder Gear is meshed.
The working principle of the automatic compensation steel sleeper of separate type sedimentation of the utility model is, when train wheel passes through, wheel The active force generated to rail reaches on railway roadbed via elevator chamber, screw rod, worm gear, steel sleeper shell, at this time screw rod bottom and worm gear The tenon of wheel hub upper surface is in close contact, and steel sleeper moves together with rail;If railway roadbed settles, rail will generate downwards bullet Property bending deformation, when train wheel leaves, the flexible deformation of rail is restored, and generates a very big upward elastic force, i.e. steel Rail drives elevator chamber to move upwardly together, and screw rod is lifted together with elevator chamber at this time, screw rod bottom and worm-wheel hub upper surface Tenon generates Separation, and plane scroll spring discharges mechanical energy immediately, drives roller gear rotation, and worm screw, worm gear turn therewith It is dynamic, to drive screw rod rotation in time, screw out screw rod gradually from lifter plate, until screw rod bottom surface connects with turbine top surface, Worm-wheel hub tenon is interlocked again with screw rod bottom groove, forms new mechanical balance system, and screw rod is revolved from elevator chamber Displacement out just compensates for the settling amount of railway roadbed.When train wheel again passes by, if railway roadbed does not generate sedimentation, respectively Part will not generate rotation, and device whole height is constant, and the active force transmitted downwards does not change the mutual alignment of steel sleeper and railway roadbed; If railway roadbed generates sedimentation, above-mentioned adjustment process is repeated again.When discovery steel sleeper reaches maximum compensation under normal operating conditions When amount, by appropriate adjustment, device reset can be completed, specific reset operation is, firstly, the serum cap in upper string hole is opened, Top boom is inserted in the hole, is rotated clockwise, the connection with upper spigot connector is completed;Then, continue to rotate clockwise top boom, Until upper tumtum, is then inwardly inserted into and locks by elevator chamber upper surface and steel shell flush, finally, rotation counterclockwise Turn top boom to be drawn off, cover serum cap, is i.e. reset work is completed.
The automatic compensation steel sleeper of separate type sedimentation of the utility model, is released using the mechanical energy of accumulation energy type plane scroll spring It puts, worm gear rotation is driven, by the rotation of worm-wheel hub tenon and the interlocking and screw rod of screw rod bottom groove come automatic Compensation sedimentation, it has structure simple, the features such as capable of automatically adjusting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of spring case in Fig. 1;
Fig. 3 is the structural schematic diagram of elevator chamber in Fig. 1;
1, steel sleeper shell, 2, upper tumtum connector, 3, spring case, 4, roller gear, 5, spring case end cap, 6, screw rod, 7, limit Position column, 8, elevator chamber, 9, limiting slot, 10, worm gear, 11, worm screw, 12, plane scroll spring, 13, upper string hole, 14, fixation hole, 15, track installation hole.
Specific embodiment
A kind of automatic compensation steel sleeper of separate type sedimentation, including steel sleeper shell 1, elevator chamber 8, rail pass through fastener and elevator chamber 8 connections, which is characterized in that elevator chamber 8 is placed in 1 inner cavity of steel sleeper shell, and the bottom of elevator chamber 8 is provided with three of symmetric arrays Screw hole, three screw rods 6 are threadedly coupled by screw hole with elevator chamber 8 respectively, and the bottom of every screw rod 6 is provided with axial notch, spiral shell The axial notch of 6 bottom of bar and the tenon of 10 wheel hub upper surface of worm gear are fitted close, and 10 wheel hub lower end surface of worm gear is cased with bearing simultaneously It is fixed in the boss of steel sleeper inner surface, worm gear 10 is engaged with the worm screw 11 being fixed in steel sleeper shell 1;Spring case 3 passes through it On fixation hole 14 be installed on 1 bottom of steel sleeper shell, 3 internal planar scroll spring 12 of spring case and roller gear 4 with bolt, put down Scroll spring 12 outer end in face is fixed on 3 inner wall of spring case, and inner end is connected with 4 wheel hub of roller gear, 4 wheel hub of roller gear it is another One end is nested with bearing, and is fixed on spring case end cap 5, and spring case 3 is connected with spring case end cap 5;One end of worm screw 11 is cased with Bearing is placed in inside spring case 3, and worm screw 11 is meshed with roller gear 4.Elevator chamber is provided with limiting slot 9, limiting slot on 8 side 9 sets on the limited post 7 on steel sleeper shell 1.

Claims (2)

1. a kind of automatic compensation steel sleeper of separate type sedimentation, including steel sleeper shell (1), elevator chamber (8), rail pass through fastener and lifting Case (8) connection, it is characterised in that: elevator chamber (8) is placed in steel sleeper shell (1) inner cavity, and the bottom of elevator chamber (8) is provided with symmetrically Three screw holes of arrangement, three screw rods (6) are threadedly coupled by screw hole with elevator chamber (8) respectively, and the bottom of every screw rod (6) is equal It is provided with axial notch, the axial notch of screw rod (6) bottom and the tenon of worm gear (10) wheel hub upper surface are fitted close, worm gear (10) Wheel hub lower end surface is cased with bearing and is fixed in the boss of steel sleeper inner surface, worm gear (10) and is fixed in steel sleeper shell (1) Worm screw (11) engagement;Spring case (3) is installed on steel sleeper shell (1) bottom, spring case with bolt by fixation hole (14) thereon (3) internal planar scroll spring (12) and roller gear (4), plane scroll spring (12) outer end are fixed on spring case (3) inner wall On, inner end is connected with roller gear (4) wheel hub, and the other end of roller gear (4) wheel hub is nested with bearing, and is fixed on spring case end It covers on (5), spring case (3) is connected with spring case end cap (5);One end of worm screw (11) is cased with bearing and is placed in spring case (3) Portion, worm screw (11) are meshed with roller gear (4).
2. the automatic compensation steel sleeper of separate type sedimentation according to claim 1, it is characterised in that: opened on elevator chamber (8) side Have limiting slot (9), limiting slot (9) covers on the limited post (7) on steel sleeper shell (1).
CN201821089932.8U 2018-07-11 2018-07-11 The automatic compensation steel sleeper of separate type sedimentation Expired - Fee Related CN208472460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821089932.8U CN208472460U (en) 2018-07-11 2018-07-11 The automatic compensation steel sleeper of separate type sedimentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821089932.8U CN208472460U (en) 2018-07-11 2018-07-11 The automatic compensation steel sleeper of separate type sedimentation

Publications (1)

Publication Number Publication Date
CN208472460U true CN208472460U (en) 2019-02-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108708230A (en) * 2018-07-11 2018-10-26 华东交通大学 The automatic compensation steel sleeper of separate type sedimentation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108708230A (en) * 2018-07-11 2018-10-26 华东交通大学 The automatic compensation steel sleeper of separate type sedimentation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190205

Termination date: 20200711

CF01 Termination of patent right due to non-payment of annual fee