CN202898970U - Controllable-discharging-amount powder spreading vehicle - Google Patents
Controllable-discharging-amount powder spreading vehicle Download PDFInfo
- Publication number
- CN202898970U CN202898970U CN 201220558382 CN201220558382U CN202898970U CN 202898970 U CN202898970 U CN 202898970U CN 201220558382 CN201220558382 CN 201220558382 CN 201220558382 U CN201220558382 U CN 201220558382U CN 202898970 U CN202898970 U CN 202898970U
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- China
- Prior art keywords
- bin gate
- bin
- rotating shaft
- helical blade
- input feeder
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- Expired - Fee Related
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Abstract
The utility model provides a controllable-discharging-amount powder spreading vehicle and is mainly used for solving the problems that screw feed conveyor damage and poor feed spreading density and uniformity are easily caused due to the fact that the construction efficiency is increased in a vehicle speed increasing manner in the prior art. The controllable-discharging-amount powder spreading vehicle comprises a controller, a chassis and a feed bin arranged on the chassis, wherein a screw feed conveyor is arranged in the feed bin; and a feed door limiting device is fixedly arranged below a discharging port of the feed bin. According to the controllable-discharging-amount powder spreading vehicle, the spreading density is unrelated to vehicle speed, a good powder spreading effect can be obtained as long as the vehicle speed is in a recommended range, and the construction efficiency can be increased to the maximum.
Description
Technical field
The utility model relates to the asphalt macadam dispensing apparatus, specifically is used for the feed of rubble spreading hopper, belongs to the road building equipment technical field.
Background technology
In the equipment of the granular material that the controlled powder truck spreader of load or spreading characteristic are similar to powder, the density of spreading material with and the uniformity of spreading be the construction leading indicator, simultaneously, the efficient of construction also is the factor that must take into account.
If come lifting construction efficient in the mode that improves the speed of a motor vehicle, will cause the conveying amount of screw input feeder also to increase thereupon, even exceed the efficient working range of screw input feeder, may cause screw input feeder to damage; Simultaneously, come lifting construction efficient in the mode that improves the speed of a motor vehicle, its required power may surpass the maximum power that automobile chassis can provide, and causes equipment to work, thereby causes the density of spreading material and the uniformity variation of spreading.
Simultaneously, need to control material jaw opening during conducting powder material spreading with the control load, the traditional control system of control material jaw opening 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 powder truck spreader, mainly having solved existing mode with the raising speed of a motor vehicle comes lifting construction efficient easily to cause screw input feeder to damage, can't automatically control load, the density of spreading material with and the poor problem of the uniformity of spreading.
Concrete technical solution of the present utility model is as follows:
The controlled powder truck spreader of this load comprises controller, chassis and is arranged on feed bin on the chassis, be provided with screw input feeder in the feed bin, screw input feeder is provided with for the driving mechanism that drives screw input feeder away from feed bin discharge hole one end, screw input feeder is provided with rear side bin-level sensor near feed bin discharge hole one end, also is provided with the spiral speed measuring device on the screw input feeder; Be provided with vehicle speed detector device on the described chassis; The output of the output of described vehicle speed detector device, rear side bin-level sensor, the output of spiral speed measuring device all are connected with the input of controller, and the output of controller is connected with driving mechanism; Described feed bin discharge hole below is fixedly connected with the bin gate stopping means, and the bin gate stopping means comprises rotating 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 in the rotating shaft; Described bin gate locating oil cylinder one end is connected with the hopper casing, and the other end is connected with rotating shaft, and bin gate cylinder one end is connected with the hopper casing, and the other end is fixedly connected with bin gate; Described rotating shaft one end is provided with angular transducer; Be provided with on the bin gate for the bin gate anglec of rotation position-limit mechanism, position-limit mechanism is the spacing thick stick of bin gate that is fixedly installed in the rotating shaft; Described screw input feeder comprises screw rod and the helical blade that is arranged on the screw rod, described each helical blade is divided into the N section, N is the natural number more than or equal to 2, pitch between the helical blade in described each section equates, pitch between each section helical blade increases progressively to the material outlet moving direction along material, and maximum pitch is 0.6 ~ 0.9 times of external diameter of helical blade between described each section helical blade.
Above-mentioned driving mechanism is hydraulic unit driver.
The utility model has the advantage of:
The spreading density of the powder truck spreader that this load is controlled and the speed of a motor vehicle are irrelevant, as long as just can obtain good powder spreading effect in the vehicle speed range of suggestion, and can improve to greatest extent efficiency of construction; Simultaneously, the bin gate stopping means adopts hydraulic jack to drive spacing thick stick rotating shaft and rotates to an angle, and adopts angular transducer, realizes the automation control of material jaw opening size; The powder truck spreader compact conformation that this load is controlled, conserve space, precise control, it is high to handle repeatable accuracy, can realize automation control.
Description of drawings
Fig. 1 is the controlled powder truck spreader schematic diagram of load;
Fig. 2 is bin gate stopping means schematic diagram;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the screw input feeder structural representation;
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, rotating shaft.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail, as shown in Figure 1:
The controlled powder truck spreader of this load comprises controller, chassis and is arranged on feed bin on the chassis, be provided with screw input feeder in the feed bin, screw input feeder is provided with for the driving mechanism that drives screw input feeder away from feed bin discharge hole one end, and driving mechanism is generally selected hydraulic unit driver.
Screw input feeder is provided with rear side bin-level sensor near feed bin discharge hole one end, what level sensor continued transmits the information of material level in the feed bin to controller, when the material level in the feed bin is lower than an amount, controller can promote the rotating speed of screw input feeder, and the rotating speed after this promotes can continue the rotating speed of t time second again and return to theoretical rotating speed after level-sensing device transmits the full signal of material; Also be provided with the spiral speed measuring device on the screw input feeder, the spiral speed measuring device is the device that detects the screw input feeder rotating speed, the spiral speed measuring device can pass to controller with the rotating speed of the screw input feeder that detects, controller can compare the rotating speed that transmits and the theoretical rotational speed that calculates, and carries out FEEDBACK CONTROL; Be provided with vehicle speed detector device on the chassis, vehicle speed detector device can be to utilize approach switch to detect the indirect speed of a motor vehicle that rotating speed of transmission shaft obtains, and also can be other the speed measuring device such as radar velocity measurement; The output of the output of vehicle speed detector device, rear side bin-level sensor, the output of spiral speed measuring device all are connected with the input of controller, and the output of controller is connected with driving mechanism.
Screw input feeder comprises screw rod and the helical blade that is arranged on the screw rod, described each helical blade is divided into the N section, N is the natural number more than or equal to 2, pitch between the helical blade in described each section equates, pitch between each section helical blade increases progressively to the material outlet moving direction along material, and maximum pitch is 0.6 ~ 0.9 times of external diameter of helical blade between described each section helical blade.
The feed bin discharge hole below also is fixedly connected with the bin gate stopping means, and this bin gate stopping means comprises rotating 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 in the rotating shaft; Bin gate locating oil cylinder one end is connected with the hopper casing, and the other end is connected with rotating shaft, and bin gate cylinder one end is connected with the hopper casing, and the other end is fixedly connected with bin gate; Rotating shaft one end is provided with angular transducer, and angular transducer generally is fixedly installed on the rotating shaft left end; Bucket casing discharging opening below is provided with the spreading material roller.Be provided with the position-limit mechanism for the restriction bin gate anglec of rotation on the bin gate, the bin gate locating oil cylinder other end is fixedly connected with rotating 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; Rotating 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 in the rotating 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 the axle of angular transducer 1 and rotating shaft 11 link together.
During use, at first need the density of spreading material in the controller input, can make bulk density also can be mass density.Control the rotating speed of screw input feeder according to the current speed of a motor vehicle; If calculate that the rotating speed of spiral has exceeded the permission rotating speed of screw input feeder maximum then controller can be reported to the police, the prompting speed of a motor vehicle is too high; If calculate the rotating speed of gained screw input feeder from maximum permissible speed, controller can point out the speed of a motor vehicle excessively low, promotes the speed of a motor vehicle to obtain better execution conditions, and simultaneously, the batch door limiting device uses, and can further improve spreading precision and the uniformity.
Claims (2)
1. powder truck spreader that load is controlled, it is characterized in that: comprise controller, chassis and be arranged on feed bin on the chassis, be provided with screw input feeder in the feed bin, screw input feeder is provided with for the driving mechanism that drives screw input feeder away from feed bin discharge hole one end, screw input feeder is provided with rear side bin-level sensor near feed bin discharge hole one end, also is provided with the spiral speed measuring device on the screw input feeder; Be provided with vehicle speed detector device on the described chassis; The output of the output of described vehicle speed detector device, rear side bin-level sensor, the output of spiral speed measuring device all are connected with the input of controller, and the output of controller is connected with driving mechanism; Described feed bin discharge hole below is fixedly connected with the bin gate stopping means, and the bin gate stopping means comprises rotating 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 in the rotating shaft; Described bin gate locating oil cylinder one end is connected with the hopper casing, and the other end is connected with rotating shaft, and bin gate cylinder one end is connected with the hopper casing, and the other end is fixedly connected with bin gate; Described rotating shaft one end is provided with angular transducer; Be provided with on the bin gate for the bin gate anglec of rotation position-limit mechanism, position-limit mechanism is the spacing thick stick of bin gate that is fixedly installed in the rotating shaft; Described screw input feeder comprises screw rod and the helical blade that is arranged on the screw rod, described each helical blade is divided into the N section, N is the natural number more than or equal to 2, pitch between the helical blade in described each section equates, pitch between each section helical blade increases progressively to the material outlet moving direction along material, and maximum pitch is 0.6 ~ 0.9 times of external diameter of helical blade between described each section helical blade.
2. the controlled powder truck spreader of load according to claim 1, it is characterized in that: described driving mechanism is hydraulic unit driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558382 CN202898970U (en) | 2012-10-28 | 2012-10-28 | Controllable-discharging-amount powder spreading vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220558382 CN202898970U (en) | 2012-10-28 | 2012-10-28 | Controllable-discharging-amount powder spreading vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202898970U true CN202898970U (en) | 2013-04-24 |
Family
ID=48119660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220558382 Expired - Fee Related CN202898970U (en) | 2012-10-28 | 2012-10-28 | Controllable-discharging-amount powder spreading vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202898970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056213A (en) * | 2021-12-13 | 2022-02-18 | 山东通华专用车辆股份有限公司 | Structural device with uniform spreading and unloading functions |
-
2012
- 2012-10-28 CN CN 201220558382 patent/CN202898970U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056213A (en) * | 2021-12-13 | 2022-02-18 | 山东通华专用车辆股份有限公司 | Structural device with uniform spreading and unloading functions |
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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: 20130424 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |