CN205775648U - The heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight - Google Patents
The heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight Download PDFInfo
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- CN205775648U CN205775648U CN201620455624.7U CN201620455624U CN205775648U CN 205775648 U CN205775648 U CN 205775648U CN 201620455624 U CN201620455624 U CN 201620455624U CN 205775648 U CN205775648 U CN 205775648U
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- concrete slab
- slab sleeper
- axle weight
- heavily loaded
- screw spike
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Abstract
This utility model relates to humping technical field, relates to the heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight.The length × width × height of its track a size of 720mm × 230mm × 160mm；The both sides of described track are provided with the screw spike bolt hole installing brake；Spacing between the described screw spike bolt hole of the most adjacent two rows is 400mm, and is formed around arrangement of reinforcement in screw spike threaded hole.This technology can be resisted heavy haul train and be organized into groups long-term bump effect, increases this rail portion structural strength and rigidity.
Description
Technical field
This utility model relates to humping technical field, relates to the heavily loaded gravity type vehicle deceleration of 30t axle weight
Device concrete slab sleeper.
Background technology
When carrying out hump shunting operation, shunter pushes train to hump, utilizes the gravity of vehicle self,
Along on slope automatic shunting to the scheduled circuit of marshalling yard, though the efficiency of shunting service can be greatly improved, but with
Floating rail gravity type retarder constantly vehicle to be braked, make decelerator brake force constantly react on deceleration
On device concrete slab sleeper and railway roadbed, track structural strength can be had an impact by short-term Braking, long-term immobilization power meeting
Produce fatigue rupture effect, be the key factor affecting track structure safety.
The train that the gravity vehicle reducer concrete slab sleeper of current domestic Hump at marshalling stations position use is corresponding is compiled
Group axle weight average is not more than 25t, but being continuously increased recently as vehicle axle weight, heavy haul train is slowing down
During the vertical power of bouncing to the longitudinal impact force of concrete slab sleeper and when alleviating the most constantly increase, cause concrete slab sleeper
At stress more weak part, a large amount of cracks occur, even occur that bolt is pulled out phenomenon, thus have a strong impact on
The stability under loading of decelerator concrete slab sleeper structure and durability.
Utility model content
Embodiment of the present utility model provides the heavily loaded gravity vehicle reducer concrete slab sleeper of a kind of 30t axle weight,
Can solve the problem that opposing heavy haul train organizes into groups the track structure of long-term bump effect, increase this rail portion knot
The problem of structure strength and stiffness.
According to the heavily loaded gravity vehicle reducer concrete slab sleeper providing a kind of 30t axle weight of the present utility model,
The length × width × height of its track a size of 720mm × 230mm × 160mm；The both sides of described track
It is provided with the screw spike bolt hole installing brake；Between the described screw spike bolt hole of the most adjacent two rows
Spacing be 400mm, and be formed around arrangement of reinforcement in screw spike threaded hole.
In certain embodiments, be preferably, the size length × width × height of described concrete slab sleeper be 3250mm ×
740mm×435mm。
In certain embodiments, be preferably, described screw spike bolt hole apart from described track center away from
From for 484mm and 522mm.
In certain embodiments, it is preferably, the length × width × height of described track a size of 720mm ×
230mm×160mm。
In certain embodiments, preferably, between the described screw spike bolt hole of the most adjacent two rows
Away from for 400mm, and it is formed around arrangement of reinforcement in screw spike threaded hole.
By the heavily loaded gravity vehicle reducer concrete slab sleeper of the 30t axle weight that this utility model embodiment provides,
Compared with prior art, overall dimensions and structural reinforcement are improved, increase the size of track, to obtain
Obtain enough rigidity and stability；Adjust track both sides and the screw spike bolt hole position of brake is installed, to the greatest extent
Sagging moment produced by fractional load may be offset；Expand front two rows bolt hole spacing so that it is deviation stress
Weak edge, makes concrete slab sleeper be more uniformly stressed；The overall risk reducing stress concentrated position cracking so that it is
Organically combine with floating rail gravity type retarder, become be highly resistant to heavy haul train marshalling connect for a long time
Continuous percussion, can effectively increase this rail portion structural strength and rigidity, and its durability is greatly improved.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is described, it is clear that carry out combining accompanying drawing
The technical scheme described is only embodiments more of the present utility model, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawing illustrated embodiments
Embodiment and accompanying drawing.
Fig. 1 is the heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight in one embodiment of this utility model
Structural representation；
Fig. 2 is the structural representation in A-A direction in this utility model Fig. 1；
Fig. 3 is the side structure schematic diagram of track in this utility model Fig. 1.
Note: 1 screw spike bolt hole；2 tracks；3 nut preformed holes.
Detailed description of the invention
Technical scheme below with reference to accompanying drawing embodiment each to this utility model carries out the most complete description,
Obviously, described embodiment is only a part of embodiment of the present utility model rather than whole embodiment.
Based on the embodiment in this utility model, those of ordinary skill in the art need not the premise of creative work
All other embodiments obtained by lower, all in the range of this utility model is protected.
The train corresponding for the gravity vehicle reducer concrete slab sleeper of domestic Hump at marshalling stations position use is compiled
Group axle weight average is not more than 25t, but being continuously increased recently as vehicle axle weight, heavy haul train is slowing down
During the vertical power of bouncing to the longitudinal impact force of concrete slab sleeper and when alleviating the most constantly increase, cause concrete slab sleeper
At stress more weak part, a large amount of cracks occur, even occur that bolt is pulled out phenomenon, thus have a strong impact on
The stability under loading of decelerator concrete slab sleeper structure and endurance issues, present embodiments provide a kind of 30t axle weight
Heavily loaded gravity vehicle reducer concrete slab sleeper, it is special that this concrete slab sleeper is only limitted to floating rail gravity type retarder.
The length × width × height of the track of the heavily loaded gravity vehicle reducer concrete slab sleeper of this 30t axle weight is a size of
720mm×230mm×160mm；The both sides of track are provided with the screw spike bolt hole installing brake；
Spacing between the described screw spike bolt hole of the most adjacent two rows is 400mm, and at screw spike spiral
Hole is formed around arrangement of reinforcement.
Overall dimensions and structural reinforcement are improved, increase track size, with obtain enough rigidity and
Stability；Adjust track both sides and the screw spike bolt hole position of brake is installed, offset part as far as possible
Sagging moment produced by load；Expand front two rows bolt hole spacing so that it is deviation stress weakness edge, make
Concrete slab sleeper is more uniformly stressed；The overall risk reducing stress concentrated position cracking so that it is with floating rail gravity type
Decelerator organically combines, and becomes and is highly resistant to the heavy haul train long-term bump effect of marshalling
Track structure, can effectively increase this rail portion structural strength and rigidity, and its durability is greatly improved.
Next multiple embodiments are used to describe in detail:
The heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight, as Figure 1-3, compiles for satisfied heavy duty
The overall dimensions of concrete slab sleeper, on the basis of existing regular sleeper plate, are changed by group train load condition
Enter, and the size of track 2 is increased to length × width × height size be respectively for 720mm × 230mm ×
160mm, to obtain enough rigidity and stability；The both sides of described track are provided with the spiral installing brake
Railway spike bolt hole, after being reset the position of screw spike bolt hole 1, can offset part as far as possible
Sagging moment produced by load.Before and after expansion, the spacing between the described screw spike bolt hole of adjacent two rows is
400mm so that it is deviation stress weakness edge, makes concrete slab sleeper be more uniformly stressed.According to above-mentioned new external form
Size and bolt hole position, be formed around arrangement of reinforcement in screw spike threaded hole, reduces stress concentrated position cracking
Risk.The overall dimensions of concrete slab sleeper are optimized for length × width × height be respectively 3250mm × 740mm ×
435mm.Nut preformed hole 3 it is embedded with in the middle part of track.
Embodiment:
A kind of heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight, the external form length of its concrete slab sleeper × wide ×
Height a size of 3250mm × 740mm × 435mm；Screw spike bolt hole is apart from the distance of described track
The distance at described track center is 484mm and 522mm；The length × width × height of track is a size of
720mm×230mm×160mm；Spacing between the described screw spike bolt hole of the most adjacent two rows is
400mm。
This Novel sleeper plate structure has reliable safety, the suitability, durability and economy, efficiency
Opposing heavy haul train organizes into groups long-term bump effect, and concrete slab sleeper Local Cracking risk, Ke Yiyou are greatly reduced
Effect increases this rail portion structural strength and rigidity, and its durability is greatly improved.
This utility model provides a kind of heavily loaded gravity vehicle reducer concrete sleeper adapting to 30t axle weight
Plate, have prefabricated simply, the advantage such as safe and reliable and better economic benefit, reach following effect after using:
1) reasonable in design, further increases effect of prestressed, according to Tianjin by optimizing overall dimensions
Railway signal Co., Ltd experimental center test result, the heavy duty of the 30t axle weight that this utility model provides
Gravity vehicle reducer concrete sleeper plate, in reality lays two years used, all existing without cracking
As, reach effective effect of prestressed.
2) construction and installation are convenient, use prefabrication, are effectively guaranteed concrete slab sleeper size and spiro keyhole position
Precision, and site operation efficiency can be increased substantially.
3) safety durable, is highly resistant to heavy haul train and organizes into groups long-term bump effect.
4) better economy, suitable with regular sleeper plate materials, and the technological process of production is simple.
The various embodiments that this utility model provides can be mutually combined, the most in any way by this
The technical scheme that combination obtains, also in the range of this utility model.
Obviously, in the case of without departing from spirit and scope of the present utility model, those skilled in the art are permissible
This utility model is carried out various change and modification.If to of the present utility model these change and modification be
Within the scope of claim of the present utility model and equivalent thereof, then this utility model also will comprise these
Change and modification.
Claims (5)
1. the heavily loaded gravity vehicle reducer concrete slab sleeper of a 30t axle weight, it is characterised in that its track
Length × width × height a size of 720mm × 230mm × 160mm；The both sides of described track are provided with installation
The screw spike bolt hole of brake；Spacing between the described screw spike bolt hole of the most adjacent two rows is
400mm, and it is formed around arrangement of reinforcement in screw spike threaded hole.
2. the heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight as claimed in claim 1, its feature
Being, the size length × width × height of described concrete slab sleeper is 3250mm × 740mm × 435mm.
3. the heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight as claimed in claim 1, its feature
Being, the described screw spike bolt hole distance apart from described track center is 484mm and 522mm.
4. the heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight as claimed in claim 1, its feature
It is, the length × width × height of described track a size of 720mm × 230mm × 160mm.
5. the heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight as claimed in claim 1, its feature
Being, the spacing between the described screw spike bolt hole of the most adjacent two rows is 400mm, and in spiral channel
Oncomelania trepanning is formed around arrangement of reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455624.7U CN205775648U (en) | 2016-05-18 | 2016-05-18 | The heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455624.7U CN205775648U (en) | 2016-05-18 | 2016-05-18 | The heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight |
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| Publication Number | Publication Date |
|---|---|
| CN205775648U true CN205775648U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620455624.7U Active CN205775648U (en) | 2016-05-18 | 2016-05-18 | The heavily loaded gravity vehicle reducer concrete slab sleeper of 30t axle weight |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916597A (en) * | 2017-11-15 | 2018-04-17 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Novel load-carrying prestressed reinforced concrete sleeper and mine underground track transportation rail structure |
-
2016
- 2016-05-18 CN CN201620455624.7U patent/CN205775648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916597A (en) * | 2017-11-15 | 2018-04-17 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Novel load-carrying prestressed reinforced concrete sleeper and mine underground track transportation rail structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |