Sweeper is automatically adjusted cleaning height devices
Technical field
The present invention relates to sweeper, be automatically adjusted cleaning height devices particularly to sweeper.
Background technology
Along with Development of Urbanization is more and more faster, the rubbish that the mankind produce also gets more and more, especially on the building site such as building, road construction, tunnel construction, rubbish is more, and the rubbish on garbage bulk, quality all relatively Ordinary Rd is all bigger, depends merely on cleaner's road pavement and is cleaned can not meeting needs. So the mankind start to alleviate the amount of labour of workman with sweeper. Sweeper is the new and effective cleaning equipment integrating road cleaning, refuse collection and transport. Working portion on existing sweeper generally comprises: 1, control the vehicle-bridge system of vehicle to run; 2, wheel steering system, is provided steering power by hydraulic pump; 3, disc brush, disc brush is for cleaning ground, and lifting and the cleaning process of disc brush are provided power by hydraulic pump; 4, rotary broom, automatically can bring in the rubbish reserve tank at its rear by the rolling of rotary broom by ground rubbish; 5, water injection system, sweeper is in the process cleaned, and sprayed water in ground by water injection system, and the power needed for water injection system is provided by water pump; Sweeper is when walking in road surface, it is not be required for constantly cleaning, current sweeper can not be automatically adjusted cleaning height, especially on rough road, do not clean highly automated adjustment, when can cause sweeper wheel sinkage, drive cylinder to be close to ground, rotary broom cisco unity malfunction, is also unfavorable for that sweeper is walked; When sweeper wheel is climbed, causing that again cylinder is away from ground, rotary broom can not complete the cleaning to ground.
Summary of the invention
It is an object of the invention to provide the sweeper of a kind of simple in construction and long service life and be automatically adjusted cleaning height devices.
For achieving the above object, the present invention is by the following technical solutions:
Sweeper is automatically adjusted cleaning height devices, described device includes casing and round brush cylinder, two side bottom described box back is articulated with the vehicle frame of sweeper, the axial two ends of described round brush cylinder are rotationally connected with in casing, described device also includes cushioning supportive post assembly, buffering plate and oil cylinder, the upper end of described cushioning supportive post assembly is fixed on casing front, the lower end of cushioning supportive post assembly is connected with buffering plate, described sweeper is provided with front fork gripper shoe, front fork gripper shoe is fixed on the universal wheel below sweeper headstock and casing connecting portion, and rotate with rotation or the swing of universal wheel or swing, described buffering plate includes dome fork and universal joint, the ring flange of described dome fork is fixing with the lower end of cushioning supportive post assembly to be connected, the two axial ends of described universal joint wherein same axis rotates to be nested with respectively pitches in the earhole of two prong at dome, the two axial ends of another same axis is respectively equipped with rolling bearing, and described rolling bearing is butted on the plate face of described front fork gripper shoe, the tail end of described oil cylinder is articulated with the back of sweeper headstock, and the cantilever that the push rod of oil cylinder is arranged with casing top is connected.
Adopt above structure, after sweeper cleans, it is necessary to round brush cylinder and casing are mentioned, in order to avoid round brush cylinder continues and earth surface, affect the sweeper speed of travel; When the push rod of oil cylinder drives cantilever to be lifted up, cantilever drives casing and round brush cylinder to be lifted up, and at this moment casing rotates up around its hinged place and lifts; When needs clean, the push rod of oil cylinder falls back to origin-location, cantilever loses bringing up of oil cylinder, also back down to original position, drive casing and round brush cylinder to return to original position simultaneously, at this moment casing is placed on vehicle frame, when casing is downward, a bigger pressure can be produced, this pressure eventually passes in front fork gripper shoe, owing to the present invention is provided with cushioning supportive post assembly, cushioning supportive post assembly plays cushioning effect and is reduced by this pressure, thus pressure to front fork gripper shoe when reducing the downward return of casing; Additionally, by arranging buffering plate in the lower end of cushioning supportive post assembly, it is rotating between the earhole of the universal joint of buffering plate and dome fork, and the two of buffering plate rolling bearings are directly butted in front fork gripper shoe, and can roll thereon, when sweeper travels, front fork gripper shoe can produce vibration, adopt two rolling bearings and this way of contact of front fork gripper shoe, overcome the shortcoming that point cantact in prior art brings buffering plate and front fork gripper shoe to be all easily worn and shatter.
The radius of described rolling bearing pitches the prong arc surface radius to its earhole center more than dome. This ensure that two rolling bearings are not point cantact with contacting of front fork gripper shoe, but face contact, overcoming the shortcoming that point cantact in prior art can bring buffering plate and front fork gripper shoe to be easily worn and shatter, this way of contact reaches the scattered effect of power. The present invention, by arranging buffering plate in the lower end of cushioning supportive post assembly, adopts this connected mode, produced vibration when can be travelled by sweeper, passes to cushioning supportive post assembly by buffering plate, reduces the abrasion to front fork gripper shoe.
Described cushioning supportive post assembly includes buffering sleeve, support column and buffer spring, the upper end of described support column is sheathed in buffering sleeve, buffer spring is located in buffering sleeve, and the two ends of buffer spring are respectively limited by the medial wall of buffering sleeve and the top of support column.
The cushioning supportive post assembly of the present invention is by arranging buffer spring, and when regulating round brush cylinder height, the power suffered by system is cushioned by spring, it is possible to play the effect of protection front fork gripper shoe.
Described cantilever is respectively provided on two sides with chute with cylinder putter junction, and the top of described cylinder putter is provided with cross bar, and the two ends of cross bar are inserted in the chute of both sides respectively.
The present invention is by arranging chute; when cylinder putter returns original position, casing and the downward pressure of cylinder can be delivered to cushioning supportive post assembly, and and be finally transmitted to front fork gripper shoe; make oil cylinder be not substantially affected by power, reach protection oil cylinder and extend the purpose in oil cylinder service life.
Sweeper of the present invention is automatically adjusted cleaning height devices, drives cantilever by oil cylinder, then is driven casing and cylinder upwardly or downwardly by cantilever, to reach to regulate the purpose of sweeper cleaning height, when road surface need not be cleaned, casing and round brush cylinder are lifted up, to facilitate sweeper to walk; When needs clean road surface, casing and round brush cylinder are put down, conveniently clean road surface, when putting down, sweeper is automatically adjusted and cleans the pressure that height devices can be bigger to car body generation, and due to the effect of cushioning supportive post assembly, this pressure can be greatly reduced, the pressure of car body is also greatly reduced, adds the service life of sweeper.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is that sweeper of the present invention is automatically adjusted the structural representation cleaning height devices;
Fig. 2 is that sweeper of the present invention is automatically adjusted and cleans the decomposing schematic representation of buffering plate in height devices.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further detailed explanation:
As shown in Figure 1 or 2, sweeper of the present invention is automatically adjusted cleaning height devices, described device includes casing 2 and round brush cylinder 3, two side bottom described casing 2 rear end is articulated with the vehicle frame 10 of sweeper, the axial two ends of described round brush cylinder 3 are rotationally connected with in casing 2, described device also includes cushioning supportive post assembly 4, buffering plate 5 and oil cylinder 6, the upper end of described cushioning supportive post assembly 4 is fixed on casing 2 front, the lower end of cushioning supportive post assembly 4 is connected with buffering plate 5, described sweeper is provided with front fork gripper shoe 7, described front fork gripper shoe 7 is fixed on the universal wheel 11 below sweeper headstock and casing 2 connecting portion, and rotate with rotation or the swing of universal wheel 11 or swing, described buffering plate 5 includes dome fork 51 and universal joint 52, the ring flange 511 of described dome fork 51 is fixing with the lower end of cushioning supportive post assembly 4 to be connected, the two axial ends of described universal joint 52 wherein same axis rotates to be nested with respectively pitches in the earhole of 51 two prong 512 at dome, the two axial ends of another same axis is respectively equipped with rolling bearing 53, and described rolling bearing 53 is butted on the plate face of described front fork gripper shoe 7, the tail end of described oil cylinder 6 is articulated with the back of sweeper headstock, and the cantilever 8 that the push rod of oil cylinder 6 is arranged with casing 2 top is connected.
The radius of described rolling bearing 53 pitches 51 prong 512 arc surfaces radius to its earhole center more than dome.
Described cushioning supportive post assembly 4 includes buffering sleeve 41, support column 42 and buffer spring 43, the upper end of described support column 42 is sheathed in buffering sleeve 41, buffer spring 43 is located in buffering sleeve 41, and the two ends of buffer spring 43 are respectively limited by the medial wall of buffering sleeve 41 and the top of support column 42.
Described cantilever 8 is respectively provided on two sides with chute 9 with oil cylinder 6 push rod junction, and the top of described oil cylinder 6 push rod is provided with cross bar 1, and the two ends of cross bar 1 are inserted in the chute 9 of both sides respectively.
In the present invention, the dome fork 51 of buffering plate 5 includes flange in the bottom dish 511, the one side of described flange in the bottom dish 511 is arranged with two prong 512, two prong 512 are respectively provided with the through earhole of transmission universal joint 52 active force, and the earhole in two prong 512 is coaxial.
The present invention is by arranging buffering plate 5 in the lower end of cushioning supportive post assembly 4, the lower end of cushioning supportive post assembly 4 is fixing with the dome fork 51 of buffering plate 5 to be connected, it is rotating between the earhole of the universal joint 52 of buffering plate 5 and dome fork 51, and the two of buffering plate 5 rolling bearings 53 are directly butted in front fork gripper shoe 7, and can roll thereon, when sweeper travels, front fork gripper shoe 7 can produce vibration, adopt two rolling bearings 53 and 7 this ways of contact of front fork gripper shoe, overcome the shortcoming that point cantact in prior art can bring buffering plate 5 and front fork gripper shoe 7 to be all easily worn and shatter, this the way of contact of the present invention reaches the scattered effect of power, when when sweeper travels there is vibration in front fork gripper shoe 7, rolling bearing 53 on buffering plate 5 can with front fork gripper shoe 7 flexible rotating, the produced pressure of vibration would not directly oppress front fork gripper shoe 7, rolling additionally, due to rolling bearing 53, and by the swing of dome fork 51, the spring 43 that the vibration pressure of sweeper sends to cushioning supportive post assembly 4 carries out buffering release, thus avoiding the damage to front fork gripper shoe 7.
The sweeper of the present invention is automatically adjusted the operation principle cleaning height devices, when sweeper does not simply clean in road surface walking, need to lift casing 2 and round brush cylinder 3, make it not in contact with the ground, to facilitate sweeper to walk, at this moment, the push rod of oil cylinder 6 promotes cantilever 8 to be lifted up, casing 2 and round brush cylinder 3 is driven to lift so that round brush cylinder 3 leaves ground, facilitates sweeper to walk; When sweeper needs to clean road surface; the push rod of oil cylinder 6 returns original position; at this moment; casing 2 and round brush cylinder 3 height reduction are to the brush contacts ground of round brush cylinder 3; start to clean ground; when putting down casing 2 and round brush cylinder 3; the pressure of whole casing 2 and round brush cylinder 3 can be delivered to cushioning supportive post assembly 4; and it is finally transmitted to front fork gripper shoe 7; and now the cross bar 1 of oil cylinder 6 push rod front end can disengage along chute 9 and cantilever 8; oil cylinder 6, substantially no longer by External Force Acting, reaches protection oil cylinder 6 and the purpose extending oil cylinder 6 service life.