CN203034338U - Efficient discharge-controlled asphalt spreader - Google Patents
Efficient discharge-controlled asphalt spreader Download PDFInfo
- Publication number
- CN203034338U CN203034338U CN 201220558409 CN201220558409U CN203034338U CN 203034338 U CN203034338 U CN 203034338U CN 201220558409 CN201220558409 CN 201220558409 CN 201220558409 U CN201220558409 U CN 201220558409U CN 203034338 U CN203034338 U CN 203034338U
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- CN
- China
- Prior art keywords
- bin gate
- asphalt spreader
- slot type
- controlled
- helical blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an efficient discharge-controlled asphalt spreader which mainly solves the problem that the quality of a material becomes worse due to the fact that an input torque of the existing spiral conveying system is very high. In addition, a material door limiting device solves the problem that an automatic control requirement cannot be met. The efficient discharge-controlled asphalt spreader comprises a trough spiral conveying system arranged at the inner bottom of an emulsified asphalt box, and the material door limiting device arranged at a discharge port of the emulsified asphalt box, wherein the trough spiral conveying system comprises at least two trough spiral conveying devices. The efficient discharge-controlled asphalt spreader can achieve no dead angle storage, and a space of a box body can be used to the greatest extent. On a large conveying quantity and large span occasion, the material door limiting device and an angle transducer are adopted simultaneously, so that automatic control of material door opening is achieved.
Description
Technical field
The utility model relates to the controlled efficient asphalt spreader of a kind of load, belongs to the road building equipment technical field.
Background technology
The spiral conveying system is the device that utilizes the rotation of spiral that the material in the semicircle hopper concentric with it is carried.Material in the hopper does not rotate with spiral at the volley, but moves along hopper with the slip form because gravity reaches the effect to cell wall frictional force, and helical conveyor is used for horizontal feed more, and when being used for tilting to carry, its inclination angle generally should be less than 30 °.Suitable conveying dried particulate or granular material, but under the effect of spiral, can cause the material fragmentation.
But the existing spiral conveying system that is applied in the road building equipment, because its pitch all equates, material all moves to discharging opening from the screw input feeder root, and be filled all the time from the material that root is input into spiral, in the process of carrying to discharging opening, the material of feed bin can't enter spiral, and the material of feed bin can produce the pressure that continues to spiral, cause the input torque of uniform pitch screw input feeder very big, wasted the energy; Material also might cause the characteristic of material to change to the pressure of spiral, and the quality of material is degenerated.
At present, the traditional control system of control bin gate aperture size mainly contains following two kinds: a kind of is to adopt rocking bar-sawtooth bin gate detent mechanism, and another kind is the spiral screw rod detent mechanism.This two kinds of detent mechanism apertures precise control, manipulation repeatable accuracy height, but each adjustment is carried out manual operation after all need shutting down, and can't satisfy the demand of automation control.
Summary of the invention
The utility model provides a kind of load controlled efficient asphalt spreader, mainly solved degenerate very much problem of the quality of ambassador's material of existing spiral conveying system input torque, increased the bin gate stopping means simultaneously and solved the problem that can't satisfy the automation demand for control.
Concrete technical solution of the present utility model is as follows:
The controlled efficient asphalt spreader of this load comprises the slot type spiral conveying system that is arranged on mulseal case inner bottom part and is arranged on the bin gate stopping means of mulseal case discharging opening, described slot type spiral conveying system comprises at least two slot type screw input feeders that are fixedly installed on the feed bin bottom, the slot type screw input feeder is made of screw rod and the helical blade that is arranged on the screw rod, and the pitch of described each helical blade increases progressively to the material outlet moving direction; Described bin gate stopping means comprises supporting revolving shaft, bin gate locating oil cylinder and the bin gate cylinder that is arranged on the external side of hopper box, is socketed with bin gate on the supporting revolving shaft; Described bin gate locating oil cylinder one end is connected with the hopper casing, and the other end is connected with supporting revolving shaft, and bin gate cylinder one end is connected with the hopper casing, and the other end is fixedlyed connected with bin gate; Described supporting revolving shaft one end is provided with angular transducer.
If the α angle is the angle of slot type screw input feeder hypotenuse and horizontal plane, the α angle is greater than the angle of repose of material.
Above-mentioned slot type screw input feeder connects by flange or the mode of welding is fixedly set in the feed bin bottom.
Above-mentioned slot type screw input feeder is three and is arranged on same plane that the vertical distance between each slot type screw input feeder is identical.
The pitch of maximum is less than the external diameter of helical blade between above-mentioned each helical blade.
Minimum pitch is greater than half of helical blade external diameter between above-mentioned each helical blade.
Above-mentioned bin gate is provided with the position-limit mechanism for the restriction bin gate anglec of rotation.
The above-mentioned bin gate locating oil cylinder other end is fixedlyed connected with supporting revolving shaft by the ear seat, and the ear seat is fixedly installed in the rotating shaft.
Above-mentioned bin gate locating oil cylinder one end is connected with the hopper casing by bearing pin, and the bin gate locating oil cylinder other end is connected by bearing pin with the ear seat, and the bin gate cylinder is connected with the hopper casing by bearing pin.
Advantage of the present utility model is:
The controlled efficient asphalt spreader of this load is with special storage silo structure and slot type screw input feeder, can realize not having dead angle storage, and the space of the casing rate that can maximize the use.In the occasion of big conveying capacity, large span, the variable-pitch auger feeder just can show its powerful advantage, and the input power of this conveying system is declined to a great extent.Adopt the bin gate stopping means to adopt angular transducer simultaneously, realize the automation control of bin gate aperture size;
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2, Fig. 3, Fig. 4 are slot type spiral conveying system schematic diagram;
Fig. 5, Fig. 6 are bin gate stopping means schematic diagram.
The accompanying drawing detail is as follows:
1, angular transducer; 2, hopper casing; 3, the spacing thick stick of bin gate; 4, bin gate locating oil cylinder;
5, bin gate cylinder; 6, rolling bearing units; 7, spreading material roller;
8, bin gate locating oil cylinder engaging lug seat; 9, pivot pin; 10, bin gate; 11, supporting revolving shaft;
12-bin gate stopping means; 13-mulseal case; 14-slot type spiral conveying system
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail, as shown in the figure:
The efficient asphalt spreader that this load is controlled, comprise the slot type spiral conveying system that is arranged on mulseal case inner bottom part and the bin gate stopping means that is arranged on mulseal case discharging opening, use the slot type screw input feeder, special storage silo respective outer side edges slot type revolves some characteristics of feeder, can realize low-power consumption, big Emptying Rate storage silo efficiently; Slot type spiral conveying system operated by rotary motion is used for the material conveyer of the whole discharging of material in the feed bin in the feed bin bottom.
Long L and wide B according to storage silo determine screw input feeder length and the screw input feeder quantity of arranging on width.Wherein the α angle is the angle of hypotenuse and horizontal plane, if under the situation of space permission, the α angle can also equal 90 °, and the α angle is not less than the angle of repose of material, avoids in problems such as the stagnant material of spiral wall.Wide value B1, B2 etc. are set to the amount that equates as much as possible, and it is revised by the α angle and gets, in the parameter that decides screw input feeder according to defeated material amount per hour, as external diameter, pitch, design speed and design input power etc.Can be equipped with above the spiral at each and to cover boom device, can prevent that the material front is pressed on the spiral, reduce the defeated material resistance of spiral.
Wherein the pitch of varying pitch from the root of spiral to the outlet position of screw input feeder shows a rising trend, and the preferred mode of equal difference successively increases, and is the pitch of the defeated material amount of reality of screw input feeder in the pitch of discharging opening, and the pitch maximum is no more than the external diameter of spiral; The pitch of root generally is not less than 0.5 times spiral external diameter.
In whole defeated material process, the defeated material amount in the little position of pitch is less relatively, and in the process that pitch increases successively, the defeated material amount of spiral is also increasing simultaneously successively, and when the material delivery outlet of spiral, the defeated material amount of spiral equals the defeated material amount of design of whole spiral.The variable-pitch auger feeder can make the last integral plane of feed bin material descend the input power of saving whole screw input feeder.
Adopted the bin gate stopping means, this device comprises supporting revolving shaft, bin gate locating oil cylinder and the bin gate cylinder that is arranged on the external side of hopper box, is socketed with bin gate on the supporting revolving shaft; Bin gate locating oil cylinder one end is connected with the hopper casing, and the other end is connected with supporting revolving shaft, and bin gate cylinder one end is connected with the hopper casing, and the other end is fixedlyed connected with bin gate; Supporting revolving shaft one end is provided with angular transducer, and angular transducer generally is fixedly installed on the supporting revolving shaft left end; Bucket casing discharging opening below is provided with the spreading material roller.Bin gate is provided with the position-limit mechanism for the restriction bin gate anglec of rotation, the bin gate locating oil cylinder other end is fixedlyed connected with supporting revolving shaft by the ear seat, the ear seat is fixedly installed in the rotating shaft, bin gate locating oil cylinder one end is connected with the hopper casing by bearing pin, the bin gate locating oil cylinder other end is connected by bearing pin with the ear seat, and the bin gate cylinder is connected with the hopper casing by bearing pin; Supporting revolving shaft is fixed on the external side of hopper box by rolling bearing units; Position-limit mechanism is generally the spacing thick stick of the bin gate that is arranged on the supporting revolving shaft.
It is specifically: rolling bearing units 6 are installed on the supported on both sides of hopper casing 2 and rotating shaft 11, and rotating shaft 11 can be rotated freely; The spacing thick stick 3 of bin gate and bin gate locating oil cylinder engaging lug seat 8 are fixed in the rotating shaft 11; The piston rod of bin gate locating oil cylinder 4 is connected by pivot pin 9 with locating oil cylinder engaging lug seat 8, and the cylinder body of bin gate locating oil cylinder 4 is connected by pivot pin 9 with hopper casing 2; Bin gate 10 is enclosed within the rotating shaft 11; Angular transducer 1 is installed on the left side of hopper casing 2, and axle and the rotating shaft 11 of angular transducer 1 link together.
Shown in figure two: when bin gate locating oil cylinder 4 rotates a certain angle by the 8 drive rotating shafts 11 of locating oil cylinder engaging lug seat, the spacing thick stick 3 of bin gate also and then rotates a certain angle, the ventilation of bin gate cylinder 5 lower ends, bin gate 10 is opened, the spacing thick stick 3 of bin gate is run on top, just the aperture size of bin gate 10 is determined by the angular dimension of rotating shaft 11 rotations, and the angle of rotating shaft 11 rotations then can be exported certain signal by angular transducer 1, thereby realizes the purpose of automation control.
Claims (7)
1. efficient asphalt spreader that load is controlled, comprise the slot type spiral conveying system that is arranged on mulseal case inner bottom part and the bin gate stopping means that is arranged on mulseal case discharging opening, described slot type spiral conveying system comprises at least two slot type screw input feeders that are fixedly installed on the feed bin bottom, the slot type screw input feeder is made of screw rod and the helical blade that is arranged on the screw rod, and the pitch of described each helical blade increases progressively to the material outlet moving direction; Described bin gate stopping means comprises supporting revolving shaft, bin gate locating oil cylinder and the bin gate cylinder that is arranged on the external side of hopper box, is socketed with bin gate on the supporting revolving shaft; Described bin gate locating oil cylinder one end is connected with the hopper casing, and the other end is connected with supporting revolving shaft, and bin gate cylinder one end is connected with the hopper casing, and the other end is fixedlyed connected with bin gate; Described supporting revolving shaft one end is provided with angular transducer.
2. the controlled efficient asphalt spreader of load according to claim 1, it is characterized in that: establish the angle that the α angle is slot type screw input feeder hypotenuse and horizontal plane, the α angle is greater than the angle of repose of material.
3. the controlled efficient asphalt spreader of load according to claim 2 is characterized in that: described slot type screw input feeder connects by flange or the mode of welding is fixedly set in the feed bin bottom.
4. the controlled efficient asphalt spreader of load according to claim 3 is characterized in that: maximum pitch is less than the external diameter of helical blade between described each helical blade.
5. the controlled efficient asphalt spreader of load according to claim 4 is characterized in that: minimum pitch is greater than half of helical blade external diameter between described each helical blade.
6. the controlled efficient asphalt spreader of load according to claim 5 is characterized in that: described bin gate is provided with the position-limit mechanism for the restriction bin gate anglec of rotation.
7. the controlled efficient asphalt spreader of load according to claim 6 is characterized in that: the described bin gate locating oil cylinder other end is fixedlyed connected with supporting revolving shaft by the ear seat, and the ear seat is fixedly installed in the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558409 CN203034338U (en) | 2012-10-28 | 2012-10-28 | Efficient discharge-controlled asphalt spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558409 CN203034338U (en) | 2012-10-28 | 2012-10-28 | Efficient discharge-controlled asphalt spreader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034338U true CN203034338U (en) | 2013-07-03 |
Family
ID=48686474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220558409 Expired - Fee Related CN203034338U (en) | 2012-10-28 | 2012-10-28 | Efficient discharge-controlled asphalt spreader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034338U (en) |
-
2012
- 2012-10-28 CN CN 201220558409 patent/CN203034338U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |