Detailed description of the invention
Cast as a example by carrying out cast polyurethane for ballast aggregate railway roadbed, to the present invention below
The embodiment of foaming vehicle illustrates.It will be understood, however, to one skilled in the art, that root
The multiple field needing and pour point being poured into a mould can be applied to according to the pouring foaming car of the present invention
Closing, these descriptions are intended merely to explain by way of example the principle of the present invention, are not
To scope and the restriction of range of application.
Fig. 1 is the side view of the pouring foaming car 100 according to one embodiment of the present invention,
Fig. 3 is the front view eliminating section components.
As it is shown on figure 3, sleeper 180 is laid on ballast aggregate railway roadbed 270, rail 170 supports
On sleeper 180.Railway roadbed 270, sleeper 180 and rail 170 constitute railroad track.
As it is shown in figure 1, pouring foaming car 100 includes the car body 140 that can move.Car body
140 can use any body structure well known in the art to constitute.Car body 140 can be by traveling
Mechanism 160 supports, and running mechanism 160 can be driven with running driving device 150.
Running mechanism 160 can be any running mechanism well known in the art, is for example adapted at steel
The rail travelling mechanism of traveling on rail 170.Running driving device 150 is equally public by this area
Know for driving the driving means of running mechanism to realize.
In this application, the direction of motion of car body 140 is referred to as " longitudinally ", i.e. rail 170
Bearing of trend;The direction that the direction being transversely to the machine direction, i.e. sleeper 180 extend, is referred to as " horizontal
To ";" highly " direction, the track place plane i.e. vertically limited by rail and sleeper
Direction.
As it is shown in figure 1, pouring foaming car 100 includes at least one pouring foaming unit 110.
As in figure 2 it is shown, each pouring foaming unit 110 includes pouring head 210 and at least
Individual head tank (such as first head tank 330 and the second head tank 340).At least one raw material
Tank 330,340 is used for storing at least one raw material, and raw material can pass through at least one pump (example
Such as the first pump 350 and the second pump 360) supply pouring head 210.Pouring head 210 is used for receiving
From at least one raw material of at least one head tank 330,340 and pour into a mould, pump 350,
360 a kind of dosing pumps, supply raw material for pouring head 210 quantitatively.
The raw material of the pouring foaming car that may be used for the present invention can be commonly used in the art former
Material, including one pack system, bi-component or multi-component polyurethane reaction system raw material.Each
In individual pouring foaming unit 110, head tank 330 can be set according to the raw material preparing cast
Quantity.Such as, corresponding to one pack system, bi-component or multi-component polyurethane reaction system,
One pouring head 210 can correspond to a head tank and, two head tanks are (shown in Fig. 2
Situation) or multiple head tank.
Preferably, pouring foaming car can have 1~7 row's pouring foaming units 110 (or pouring head
210), more preferably can there be 1~3 row's pouring heads 210.Preferably, often row can have 1~8
Individual pouring head 210, it is highly preferred that often row has 2~6 pouring heads 210.At Fig. 1 and Fig. 3
In shown example, pouring foaming car 100 has 3 row × 4 row to amount to 12 pouring heads 210,
Therefore, once can complete the cast of 12 pour points simultaneously.The cast of pouring foaming unit
Head can simultaneously enter duty, it is also possible to does not simultaneously enter duty, preferably simultaneously
Enter duty;The pouring head of pouring foaming unit can simultaneously power cut-off state, also
Can not simultaneously power cut-off state, preferably power cut-off state during difference.Pouring foaming machine
The discharge-amount of the pouring head of group can be set as identical, it is also possible to is set as difference, preferably waters
Head sets identical discharge-amount;The discharge time of the pouring head of pouring foaming unit can set
Fixed identical, it is also possible to set difference, preferably pouring head and set the different discharge time.
The poring rate of pouring foaming car is directly related with the quantity of pouring head, the number of pouring head
Measure the most poring rates the fastest.Under a concrete application scenario, test as a comparison,
When using a pouring head, poring rate is 30 ms/h;When using most 7 row's cast
Foaming unit, when often arranging most 8 pouring heads, pouring foaming speed can reach 1680 meters/
Hour;When using preferred version 1~3 row's pouring foaming unit, often row has 2~6 cast to send out
During bubble pouring head, pouring foaming speed is 60~540 ms/h.
In the present invention, what the pouring foaming car for applying polyurethane reaction system was used waters
Head, may come from such as one pack system well known by persons skilled in the art casting equipment,
The casting equipment of bi-component or multi-component casting equipment.Bi-component or multi-component cast
Pouring head in equipment is able to receive that and to mix at least two from least two head tank former
Material with mixed raw material and pour into a mould.
In the pouring foaming car embodiment shown in Fig. 1, car body 140 be formed one towards
The peristome 105 of track opening, in this peristome 105, is provided with a pouring foaming machine
Framing 120.Head tank and pump in pouring foaming unit 110 can be as head tank and pumps
Unit 280, all or part of head tank and pump unit 280 can set together with pouring head
Put on pouring foaming unit framework 120 (see bold portion);Or, it is also possible to arrange
(see dotted portion) on car body 140.
In one preferred embodiment, pouring foaming unit framework 120 can be relative to
Car body 140 is along lengthwise movement.Accordingly, pouring foaming car 100 includes for driving cast
Foaming machine framing 120 is along the longitudinal driving device 130 of lengthwise movement.As a kind of embodiment party
Formula, longitudinal driving device 130 can include the first zigzag tread patterns being arranged on car body 140
Part and be used for carrying pouring foaming unit framework 120 relative to the first zigzag tread patterns part edge
Second zigzag tread patterns part of lengthwise movement.This two-part driving means can be such as
But it is not limited to screw mechanism, cylinder mechanism or pinion and rack etc..
(not shown) in the case of using screw mechanism, leading screw can as first longitudinally
Drive part, is installed in rotation on car body along the longitudinal direction;Engage with threads of lead screw
Pouring foaming unit framework is fixed or be integrally formed in nut as the second zigzag tread patterns part
On.When screw turns, nut carries pouring foaming unit framework along lengthwise movement.Silk
Thick stick can be with forward and backward, and then, pouring foaming unit framework can be along longitudinally reciprocating motion.
Alternatively, nut can be fixed as the first zigzag tread patterns part or one
Being formed on car body, the longitudinal extension leading screw engaged with nut is as the second zigzag tread patterns part
It is installed in rotation on pouring foaming unit framework.When leading screw rotates forward or inverts, silk
Thick stick can carry pouring foaming unit framework along longitudinally reciprocating motion.Alternatively, silk
Thick stick is fixing, and nut can forward and reverse rotation.Generally speaking, as longitudinally driving
The screw-drive mechanism of dynamic device include interchangeably as the first zigzag tread patterns part and
The leading screw of the second zigzag tread patterns part and nut.
(not shown) in the case of using cylinder mechanism, as longitudinal driving device
This cylinder mechanism can include interchangeably as the first zigzag tread patterns part and second longitudinally
The start cylinder body of drive part and the cylinder mechanism of piston.Longitudinal extension cylinder body can conduct
First zigzag tread patterns part is fixed or is integrally formed on car body, the piston being connected with piston
Pouring foaming unit framework is fixed or be integrally formed in bar as the second zigzag tread patterns part
On.When piston moves back and forth in cylinder body, piston rod carries pouring foaming unit framework
Lengthwise movement.Alternatively, piston rod can as the first zigzag tread patterns part, and
Cylinder body is as the second drive part.
Similarly, when using pinion and rack, the tooth bar of gear and longitudinal extension is permissible
Interchangeably as first, second zigzag tread patterns part, it is separately positioned on car body and pouring foaming
On unit framework.When gear forward or when rotating backward, can produce between tooth bar and tooth bar
Raw longitudinally opposed reciprocating motion, thus carried pouring foaming unit by as tooth bar or gear
Framework is along lengthwise movement.
In the example depicted in figure 1, pouring foaming unit framework 120 includes first end 220
With the second end 230.First end 220 can be supported by running mechanism 165.Running mechanism
165 can have the structure identical with the running mechanism 160 of supporting body 140, for by the
Two ends 220 can be bearing on rail 170 along lengthwise movement.Set on the second end 230
Be equipped with above-mentioned any one the second zigzag tread patterns part, such as leading screw, nut, piston rod,
Cylinder body, gear or tooth bar etc..
In order to make pouring foaming unit framework 120 smoothly lengthwise movement, Fig. 1 can be set
Shown guider 125, it includes that one end is fixed on car body 140 with the other end slidably
Be connected to the guide post on the first end 220 of pouring foaming unit framework 120.
Seeing Fig. 3, pouring foaming car 100 also includes for making pouring head 210 along short transverse
The arrangement for adjusting height 240 of motion and for making what pouring head 210 transversely moved laterally to drive
Dynamic device 265.According to the present invention it is possible to be the corresponding height of each pouring foaming unit
Adjusting means and a lateral driver device, it is also possible to be multiple pouring foaming unit correspondences one
Individual arrangement for adjusting height and a lateral driver device.In the illustrated embodiment, all of water
Note foaming unit shares an arrangement for adjusting height and a lateral driver device.In this feelings
Under condition, when the position that the number of pouring head 210 in a lateral direction is to be cast with on railway roadbed 270
Put number identical time, it is convenient to omit lateral driver device 265.It is preferred, however, that, still
Including lateral driver device 265, the most right with beneficially pouring head 210 and position to be cast
Standard, particularly has the situation of one fixed width in the horizontal at pour point.
Arrangement for adjusting height 240 and lateral driver device 265 can use with described above
The mode that longitudinal driving device is similar to realizes.
Arrangement for adjusting height 240 can include be arranged on pouring foaming unit framework first
Altitude mixture control part (not shown) and be used for carrying pouring head relative to the first height adjusting part
Divide the second altitude mixture control part 245 moved along short transverse.First altitude mixture control part is preferred
Ground includes that nut or gear, the second altitude mixture control part 245 correspondingly preferably include and spiral shell
Female vertically extending leading screw engaged or the vertically extending tooth bar engaged with gear.
Lateral driver device 265 can include being arranged in the second altitude mixture control part 245
First laterally driven part 260 and to be used for carrying pouring head 210 laterally driven relative to first
The second laterally driven part 250 that part 260 is transversely moved.First laterally driven part
260 leading screws preferably extended transversely, by the second altitude mixture control part 245 rotationally
Supporting, correspondingly, the second laterally driven part 250 is preferably engaged in the spiral shell on leading screw
Female.Each nut 250 is fixed together with a pouring head 210.Shown in Fig. 3
A leading screw 260 has four nuts 250.When leading screw 260 forward or rotate backward
Time, nut 250 carries pouring head 210 along longitudinally reciprocating motion.
Preferably, pouring foaming unit framework 120 is arranged and the second altitude mixture control part
245 is parallel and can be along with the guide rod 246 moved along short transverse together.Horizontal as second
The leading screw 260 of drive part can by the lower end of the second altitude mixture control part 245 and guide rod 246
Support rotationally.This mode is conducive to keeping easy motion and the structural rigidity of leading screw 260.
Alternatively, the first of lateral driver device the laterally driven part can set
Put on pouring foaming unit framework, and the first height adjusting part of arrangement for adjusting height sets up separately
Putting in the second laterally driven part, pouring head is directly anchored to the second of arrangement for adjusting height
In altitude mixture control part.So, pouring head is taken through arrangement for adjusting height by lateral driver device
Band transversely moves.
In the pouring foaming car according to the present invention, also include for control described at least one
Pouring foaming unit 110, above-mentioned arrangement for adjusting height 240 and above-mentioned lateral driver device 265
Control device (not shown).It can be as known in the art based on micro-place for controlling device
The controller of reason device, industrial computer etc., such as computer, industrial computer, control box, remote controller
Deng, it is also possible to there are the various input-output equipment such as keyboard, touch screen, display.Permissible
Expecting, pouring foaming car can include the various sensors for sensing position so that controls
Device can gather the current location of pouring head automatically, is then moved by pouring head according to instruction
To precalculated position.It is various that pouring foaming car can include for sensed speed and/or acceleration
Sensor, such that it is able to move pouring head with desired speed.
In the embodiment shown in fig. 1, pouring foaming car 100 can also include operating room 190,
Control device can be arranged in operating room 190, operator be controlled.
Below, the one of the pouring foaming car describing the present invention with reference to Fig. 1 and Fig. 3 is exemplary
Operational circumstances.Pouring foaming car 100 is positioned by operator by running driving device 150
At predetermined station, then by controlling device control arrangement for adjusting height 240, by pouring head
210 drop to the predetermined pouring position above pour point.If pouring head 210 and pour point exist
Transversely it is not aligned with or the transverse width of pour point is relatively big, then control device by laterally
Driving means 265 makes pouring head 210 transversely and/or vertically move preset distance;If
Pouring head 210 is the most also not aligned with pour point, then control device simultaneously by horizontal stroke
To driving means 265 and longitudinal driving device 230 make mixing head 210 simultaneously the most transversely and
Vertically move preset distance (can certainly successively move).When completing watering of a station
After note, control device and control the second altitude mixture control part 245 warp of arrangement for adjusting height 240
Lateral driver device 265 carries pouring head 210 and moves upward to predetermined height along short transverse
Degree (such as prevents the height collided with sleeper 180 or rail 170), then passes through to walk
Horizontal drive device 150 makes pouring foaming car 100 move to station to pour into a mould.
Above-mentioned casting process can realize during the continuous advancing of foaming vehicle 100.At this moment,
Controlling device makes mixing head 210 move along with foaming vehicle 100 by longitudinal driving device
Direction motion in opposite direction so that mixing head 210 keeps the geo-stationary with pour point,
Complete cast simultaneously.
Utilize the above-mentioned pouring foaming car that can move, it is possible to apply polyurethane reaction rapidly
System, quickly prepares polyurethane ballast aggregate railway roadbed, profit that i.e. can be more efficient on existing line
Carry out preparing polyurethane ballast aggregate railway roadbed, newly-built with of short duration withdrawal of train " skylight phase "
Can also accelerating construction progress, raising efficiency of construction time prepared by the polyurethane ballast aggregate railway roadbed of circuit.
It should be appreciated by those skilled in the art that specific descriptions above are merely illustrative matter,
For illustrative purposes, not it is used to limit the scope of the invention.Have benefited from this
The teaching of invention, those skilled in the art can in the case of without departing from scope
With embodiment to above-mentioned specific descriptions as the case may be make various modification, amendment or
Person replaces, and these modification, revises or replaces and fall into protection scope of the present invention.