Background technology
When train operation, the great pressure of train is to be transmitted on sleeper by two rail, then sleeper is transmitted to again
Bed is transmitted to the earth come what is eliminated finally by railway roadbed, is set this requires the gauge of two rail of train must reach stringent
Meter requires, and rail gauge, which does not reach requirement, to cause train to topple, and consequence is serious.Train rail is to be fixed on railway by railway spike
It is precisely fixed therefore, it is necessary to be carried out to the plastic bushing in railway concrete sleeper in concrete sleeper in pre-buried plastic bushing
Position, to ensure that the gauge of rail meets design requirement.Train rail is fixed in railway concrete sleeper in advance by railway spike
In bushing burying, and casing is to be embedded in railway concrete sleeper to form an entirety with railway concrete sleeper, this will
Ask the service sleeve in railway concrete sleeper product at a distance from sleeper top surface, between service sleeve and service sleeve away from
From the parameters such as service sleeve center line and the verticality of sleeper top surface are intended to reach stringent design requirement, to reach above-mentioned tight
The design requirement of lattice just must carry out precise positioning to the casing in railway concrete sleeper.
Railway concrete sleeper is produced by railway concrete sleeper punching block, existing railway concrete sleeper set
The fixation of pipe is all to pass through the cylindrical positioning sleeve being fixed on sleeper steel mould to realize to pre-buried by cylindrical locating rod
The positioning of casing.Locating rod passes through positioning sleeve in position fixing process, if very close to each other between locating rod and positioning sleeve, locating rod is worn
It inserts not enter;If gap is too small between locating rod and positioning sleeve, difficulty is brought to frequently interspersed by hand in production process;If
If gap is too big between locating rod and positioning sleeve, it is more than to require that can cause the distance between locating rod and positioning sleeve size, is drawn
Sleeper is played to scrap.The frequent abrasion that can be caused between bar and set interspersed by hand in production process simultaneously, causes gap increasingly
Greatly, it is more than to require in turn result in the distance between casing size, and sleeper is caused to be scrapped.It obtains locating rod even by experiment and determines
Most suitable gap size between the set of position, due to can frequently intert between locating rod and positioning sleeve in production process, locating rod
Will produce abrasion between positioning sleeve, cause the gap between locating rod and positioning sleeve increasing, can not still avoid due to
Gap between locating rod and positioning sleeve is excessive, service sleeve position inaccurate, the predicament for causing sleeper to be scrapped.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of positioning device of service sleeve,
The positioning device carries out precise positioning by the accurate cooperation between conical positioning rod and conical positioning sleeve to service sleeve,
To realize that the zero of sleeper scraps.
The technical scheme that the utility model is provided is as follows:
A kind of positioning device of service sleeve, including locating rod, positioning sleeve, which is characterized in that the positioning sleeve is fixed on
On the installation position of sleeper steel mould shell, the locating rod is provided with cone corresponding with positioning sleeve positioning region, the positioning sleeve
It is provided with cone corresponding with locating rod hole, the locating rod passes through the positioning sleeve.
Preferably, the positioning sleeve and the locating rod are coaxial.
Preferably, the locating rod is additionally provided with pole cap, the body of rod, and the pole cap and the body of rod are positioned by the cone
Portion connects.
Preferably, the locating rod is additionally provided with pole cap, the body of rod, and the body of rod includes first body of rod, and second body of rod is described
Pole cap is connected with first body of rod, and first body of rod is connected with second body of rod by the cone positioning region.
Preferably, the tail portion of the body of rod includes and the matched screw thread of the internal thread of the service sleeve.
Preferably, the tail portion of second body of rod includes and the matched screw thread of the internal thread of the service sleeve.
Preferably, the pole cap is cylindrical, diamond shape or hexagon.
The utility model has the beneficial effects that:The positioning device of the service sleeve is fixed by conical positioning rod and cone
The connection of position set is positioned, since self-centering function may be implemented between conical positioning rod and conical positioning sleeve, because
This, for the center line of conical positioning rod and conical positioning sleeve during close-coupled, the center line between them can be real
Existing automatic reclosing realizes to eliminate the gap between locating rod and positioning sleeve above design principle to service sleeve
Precise positioning.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art
For, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the sleeper product structure schematic diagram that has demoulded after casting complete;
Fig. 2 is to install the entire sleeper steel mould structural schematic diagram of pre-buried plastic bushing before pouring sleepers;
Fig. 3 is the positioning device structure schematic diagram of existing service sleeve;
Fig. 4 is the sectional view of the positioning device of existing service sleeve;
Fig. 5 is the positioning device structure schematic diagram of the utility model embodiment service sleeve;
Fig. 6 is the sectional view of the positioning device of the service sleeve of the utility model embodiment.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Attached drawing 1 is the sleeper 5 that has demoulded after casting complete, and service sleeve 4 has been embedded in concrete;When train operation, row
The big pressure of car weight is to be transmitted on sleeper by two rail, then sleeper is transmitted to railway roadbed again, is transmitted to finally by railway roadbed
The earth is come what is eliminated, and this requires the gauges of two rail of train must reach stringent design requirement, and rail gauge is not achieved
It is required that train can be caused to topple, consequence is serious.Train rail is to be fixed on pre-buried plastics in railway concrete sleeper by railway spike
In casing, therefore, it is necessary to carry out precise positioning to the plastic bushing in railway concrete sleeper, to ensure the gauge of rail
Meet design requirement.Train rail is to be fixed in railway concrete sleeper in service sleeve by railway spike, and casing is pre-
It is embedded in railway concrete sleeper and forms an entirety with railway concrete sleeper, this requires in railway concrete sleeper product
Service sleeve at a distance from sleeper top surface, the distance between service sleeve and service sleeve, service sleeve center line and sleeper
The parameters such as the verticality of top surface are intended to reach stringent design requirement, and to reach above-mentioned stringent design requirement just must be to railway
Casing in concrete sleeper carries out precise positioning.
For attached drawing 2 to install the entire sleeper steel mould 3 of service sleeve 4 before pouring sleepers 5, positioning sleeve 2 is to be accurately positioned weldering
It is connected on punching block 3.Railway concrete sleeper is produced by railway concrete sleeper punching block 3, existing railway concrete
The fixation of sleeper casing is all to pass through the cylindrical positioning sleeve being fixed on sleeper steel mould to realize by cylindrical locating rod
Positioning to service sleeve.Locating rod passes through positioning sleeve in position fixing process, fixed if very close to each other between locating rod and positioning sleeve
Position bar is interspersed not to enter;If gap is too small between locating rod and positioning sleeve, brought to frequently interspersed by hand in production process
It is difficult;If if gap is too big between locating rod and positioning sleeve, the distance between locating rod and the positioning sleeve size can be caused to be more than
It is required that sleeper is caused to be scrapped.The frequent abrasion that can be caused between bar and set interspersed by hand in production process simultaneously, causes gap
Increasing, it is more than to require in turn result in the distance between casing size, and sleeper is caused to be scrapped.Positioning is obtained even by experiment
Most suitable gap size between bar and positioning sleeve, due to can frequently intert between locating rod and positioning sleeve in production process,
It will produce abrasion between locating rod and positioning sleeve, cause the gap between locating rod and positioning sleeve increasing, can not still keep away
Exempt from since the gap between locating rod and positioning sleeve is excessive, service sleeve position inaccurate, the predicament for causing sleeper to be scrapped.
Referring to attached drawing 3, attached drawing 4, attached drawing 3 is the positioning device schematic diagram of existing service sleeve, and attached drawing 4 is existing
The sectional view of the positioning device of service sleeve.The fixation of existing railway concrete sleeper casing is by cylindrical locating rod
The positioning to plastic bushing is realized across the cylindrical positioning sleeve being fixed on sleeper steel mould.Locating rod passes through in position fixing process
Positioning sleeve, clearance fit between locating rod and positioning sleeve, to reduce difficulty interspersed by hand in production process.But if
Gap between locating rod and positioning sleeve is excessive, and it is more than design requirement that can lead to the distance between sleeper casing size, leads to rail
Pillow is scrapped.Most suitable gap size between locating rod and positioning sleeve is obtained even by experiment, due to being positioned in production process
Can frequently intert between bar and positioning sleeve, abrasion is will produce between locating rod and positioning sleeve, cause locating rod and positioning sleeve it
Between gap it is increasing, can not still avoid since the gap between locating rod and positioning sleeve is excessive, cause sleeper casing it
Between apart from size be more than design requirement, the predicament for causing sleeper to be scrapped.
Referring to attached drawing 5 and attached drawing 6, attached drawing 5 is the positioning device structure schematic diagram of the utility model embodiment service sleeve,
Attached drawing 6 is the sectional view of the positioning device of the service sleeve of the utility model embodiment.The positioning device of service sleeve, including it is fixed
Position bar 1, positioning sleeve 2, positioning sleeve 2 are fixed on the installation position of sleeper steel mould shell 3, and locating rod 1 is provided with and 2 phase of positioning sleeve
Corresponding cone positioning region 12, positioning sleeve 2 are provided with cone corresponding with locating rod 1 hole, locating rod 1 pass through positioning sleeve 2 with
Service sleeve 4 is threadedly coupled.It is positioned by the connection of conical positioning rod and conical positioning sleeve, since cone positions
Self-centering function may be implemented between bar and conical positioning sleeve, therefore, in conical positioning rod and conical positioning sleeve
For the heart line during close-coupled, automatic reclosing may be implemented in the center line between them, to be eliminated above design principle
Gap between locating rod and positioning sleeve realizes the precise positioning to service sleeve.In the present embodiment, sleeper is also known as sleeper,
It is one kind of railway casting.Only present material therefor is not only timber, and the material used in concrete sleeper is mixed for reinforcing bar
Solidifying soil.Sleeper should supporting rail, again keep rail position, also rail transmission come immense pressure pass to
Bed.It must have certain flexibility and elasticity, hard not all right, soft also not all right.When train passes through, it can suitably be deformed
With compensator or trimmer pressure, but train must restore to the original state as far as possible later.Service sleeve used herein in concrete sleeper
Refer to being embedded in inside concrete sleeper, for fixing rail and keeping a kind of part of relative distance between rail and rail.
This casing fixes the sulfur cement mortar anchorage mode instead of pervious concrete sleeper, and the material of service sleeve is fiber glass reinforced polyamide
66, punching block refers to the steel die for producing railway concrete sleeper, and positioning sleeve refers to being fixed on punching block to carry out positioning screw
A kind of steel bushing of positioning, positioning screw refer to connecting service sleeve, a kind of steel positioned to service sleeve across positioning sleeve
Bolt processed.
In the present embodiment, positioning sleeve 2 and locating rod 1 are coaxial.In this way, locating rod pierces into after positioning sleeve and to ensure automatically and sleeper
Top surface it is perpendicular, to avoid service sleeve crooked.
In the present embodiment, such as Fig. 6, locating rod 1 is additionally provided with pole cap 11, the body of rod 13, and pole cap 11 and the body of rod are fixed by cone
Position portion 12 connects.
In the present embodiment, such as Fig. 7, locating rod 1 is additionally provided with pole cap 11, the body of rod, and the body of rod includes first body of rod 13, the
Bipole body 15, pole cap 11 are connected with first body of rod 13, and first body of rod 13 is connected with second body of rod 15 by cone positioning region 12.
In the present embodiment, the tail portion of the body of rod includes and the matched screw thread of the internal thread of service sleeve 4 14.
In the present embodiment, such as Fig. 7, the tail portion of second body of rod 15 includes the matched screw thread of internal thread for stating service sleeve 4
14。
In the present embodiment, pole cap 11 is cylindrical, diamond shape or hexagon.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.