The quick replacement device of road sweeper dirt case
Technical field
The present invention relates to road sweeper, specifically the quick replacement device of road sweeper dirt case.
Background technology
Road sweeper has been widely used in the cleaning of road surface as clearing apparatus, of the prior art sweeps
Ground car many employings cylindrical filter cartridge is as the filter element of dust exhaust apparatus, and filter element is as road sweeper
Consumptive material, needs repeatedly to dismantle, the operation such as replacing in the life cycle of product.But pass
Small-sized road sweeper of uniting, when changing filter element, generally requires the panel beating side plate of dirt box body side even
With shaking, dirt motor is pulled down together, safeguards highly inconvenient, and dismounting intensity is big, it is desirable to high, work efficiency
Low, therefore, it need to improve further and optimize to the structure of road sweeper dirt case.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the present invention provides the fast of a kind of road sweeper dirt case
Speed more changing device, it has the feature of fast replacing filter core.
The technical solution adopted for the present invention to solve the technical problems is:
The quick replacement device of road sweeper dirt case, including dirt box body, dirt box body is provided with
With the big sprocket shaft of the dirt that shakes of big sprocket wheel, this big sprocket shaft of dirt that shakes is rotatably installed in dirt case by bearing
On the side plate of casing, described dirt box body is provided with filter element, filter element and the described big sprocket wheel of the dirt that shakes
One end that axle is relative is arranged on the air guide hole of dirt box body, described in shake coaxial in the big sprocket shaft of dirt
Run through and have the dirt shifting shaft that shakes, described in shake dirt shifting shaft and the described big sprocket shaft of the dirt that shakes link, shake dirt
Being provided with the holding screw for holding out against the dirt shifting shaft that shakes on big sprocket shaft, the dirt shifting shaft that shakes is with filter
One end that core is connected is provided with ring flange, and on described ring flange, circle distribution has gear pin, described
Being provided with the jack corresponding with described gear pin on the end face of filter element, described gear pin inserts
Filter element is driven to rotate after described jack.
As the improvement of technique scheme, described in the shake end of dirt shifting shaft connect and have draw ring.
As the further improvement of technique scheme, described in shake dirt shifting shaft be cross section be polygon
The axle of shape, the big sprocket shaft of the dirt that shakes is provided with the polygon centre bore of correspondence.
Further, described in shake and be provided with the hole position corresponding with described holding screw on dirt shifting shaft,
Described holding screw extend into this Kong Weizhong.
Further, described ring flange be provided centrally with setting circle pin, the end face of described filter element
The hole, location that upper setting is corresponding with setting circle pin, described setting circle pin inserts hole, described location
In.
Further, the bottom of described dirt box body be provided with filter element bottom connection touch the dirt that shakes scrape
Sheet.
The invention has the beneficial effects as follows: use the present invention of said structure, when changing filter element,
Only holding screw need to be unclamped, then the dirt shifting shaft that shakes be extracted out so that the transmission on ring flange
Bearing pin departs from the jack on filter element, now can carry out the replacing operation of filter element, relative to tradition
Technology needs the knot together pulled down together with the dirt motor that shakes by the panel beating side plate of dirt box body side
Structure, disassembling, assembling and replacing of the present invention is the easiest, and during dismounting, labor intensity of operating staff is low, needs
Extracting tool is few, and the requirement to disassembling operations personnel is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the interior views of the present invention;
Fig. 3 is the use state diagram of the present invention;
Fig. 4 is the structural representation of dirt shifting shaft of shaking in the present invention;
Fig. 5 is the structural representation of the big sprocket shaft of dirt of shaking in the present invention.
Detailed description of the invention.
The present invention is further detailed explanation with embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1~Fig. 5, the quick replacement device of the road sweeper dirt case of the present invention, including dirt case
Casing 1, dirt box body 1 is provided with the big sprocket shaft of the dirt that shakes 3 with big sprocket wheel 2, this dirt that shakes
Big sprocket shaft 3 is rotatably installed on the side plate of dirt box body 1 by bearing 4, dirt box body 1
On the dirt motor 12 that shakes is installed, the output shaft of dirt motor 12 that shakes is provided with minor sprocket 13, little
Sprocket wheel 13 drives big sprocket wheel 2 to rotate, in described dirt box body 1 by chain (not illustrating)
Being provided with filter element 5, one end that filter element 5 is relative with the described dirt that shakes big sprocket shaft 3 is arranged on dirt case
On the air guide hole 11 of casing 1, described in shake the big sprocket shaft of dirt 3 coaxially runs through and have the dirt that shakes to stir
Axle 6, described in the dirt shifting shaft 6 that shakes link with the described big sprocket shaft of the dirt that shakes 3, the big sprocket shaft of the dirt that shakes
Being provided with the holding screw 7 for holding out against the dirt shifting shaft 6 that shakes on 3, the dirt shifting shaft 6 that shakes is with filter
One end that core 5 is connected is provided with ring flange 61, and on described ring flange 61, circle distribution has trundle
Axle 62, the end face of described filter element 5 is provided with the jack corresponding with described gear pin 62,
Described gear pin 62 drives filter element 5 to rotate after inserting described jack.
Filter element shifting shaft 6 is extracted out, preferably at the described dirt shifting shaft that shakes for convenience of when changing filter element
The end of 6 connects draw ring 8.
In the present embodiment, the dirt big sprocket shaft 3 that shakes drives dirt shifting shaft 6 linkage of shaking can use such as
Lower structure: described in shake dirt shifting shaft 6 be polygonal axle for cross section, on the big sprocket shaft of the dirt that shakes 3
Being provided with the polygon centre bore 31 of correspondence, wherein polygon is preferably hexagon;
Certainly, also can be provided with on the described dirt shifting shaft 6 that shakes corresponding with described holding screw 7
Position, hole, described holding screw 7 extend into this Kong Weizhong, drives, by holding screw, the dirt that shakes
Shifting shaft 6 links also possible;Can also use other known linkage technique such as splines with
The cooperation of spline, and use the polygonized structure cost in the present embodiment lower, structure is simpler
Single.
In the present embodiment, preferably it is provided centrally with setting circle pin at described ring flange 61
63, the end face of described filter element 5 arranges the location hole corresponding with setting circle pin 63, described
Setting circle pin 63 inserts in hole, described location, to be convenient for changing assembling during filter element.
In the present embodiment, the bottom of described dirt box body 1 is provided with and filter element 5 bottom connection
The dirt scraping blade 9 that shakes touched, the dirt scraping blade 9 that shakes is for having resilient polyester scraping blade, when filter element 5 rotates
Time, under the effect of the dirt scraping blade 9 that shakes, the dust of absorption on filter element 5 can be kicked down.
Use the present invention of said structure, when changing filter element 5, only need to be holding screw 7 pine
Open, then the dirt shifting shaft 6 that shakes is extracted out so that the gear pin 62 on ring flange 61 departs from
Jack on filter element 5, as shown by the dash line position in fig. 3, now can carry out the replacing of filter element
Operation, relative to needing the panel beating side plate of dirt box body side in conventional art together with the dirt electricity that shakes
The structure that machine is together pulled down, disassembling, assembling and replacing of the present invention is the easiest, operator's work during dismounting
Intensity is low, and the extracting tool of needs is few, and the requirement to disassembling operations personnel is low.
The above, the simply better embodiment of the present invention, but on the present invention is not limited to
State embodiment, as long as it reaches the technique effect of the present invention with any same or similar means, all
Should fall under the scope of the present invention.