CN215861037U - Sweeping machine, sweeping brush assembly and sweeping brush floating hydraulic system - Google Patents
Sweeping machine, sweeping brush assembly and sweeping brush floating hydraulic system Download PDFInfo
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- CN215861037U CN215861037U CN202120684570.2U CN202120684570U CN215861037U CN 215861037 U CN215861037 U CN 215861037U CN 202120684570 U CN202120684570 U CN 202120684570U CN 215861037 U CN215861037 U CN 215861037U
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Abstract
The utility model discloses a sweeping vehicle, a sweeping brush assembly and a sweeping brush floating hydraulic system, wherein the sweeping brush floating hydraulic system comprises a sweeping brush supporting oil cylinder, a pressure reducing valve, an oil pump and an oil tank, wherein a rod cavity of the sweeping brush supporting oil cylinder is communicated with one of rodless cavities through the pressure reducing valve; above-mentioned hydraulic system makes the sweeper can adjust the operation height along with the unsmooth change on road surface and the wearing and tearing of sweeper by oneself, need not artifical manual regulation, user's work load has been reduced, can not aggravate the sweeper wearing and tearing because the unsmooth change on road surface, when improving the effect of cleaning on uneven road surface, extension sweeper life, and through the regulation to relief pressure valve outlet pressure, can realize adjusting the interact power between ground and the sweeper, thereby realize the regulation to cleaning the effect.
Description
Technical Field
The utility model relates to the technical field of environmental sanitation equipment, in particular to a sweeping vehicle, a sweeping brush assembly and a sweeping brush floating hydraulic system.
Background
With the coming of policies such as blue-sky defense war and beautiful countryside, the environmental protection requirements of cities, towns and villages are continuously improved, more and more roads need to be cleaned and cleaned, the workload is continuously increased, and the manual cleaning operation cost is high and the efficiency is low, so that the mechanized cleaning operation mode represented by road sweeper and washing sweeper is rapidly popularized.
The sweeper is used as the foremost end of the sweeper truck and is responsible for sweeping the road surface garbage to the sucking disc, and then the garbage is sucked to the garbage can by the sucking disc. The cleaning effect of the sweeper brush directly influences the use performance of the whole sweeper truck, meanwhile, the service life of the brush bristles is a wearing part, the use cost of the whole sweeper truck is greatly influenced by the service life of the brush bristles, and the operation height of the sweeping disc directly determines the contact degree of the sweeper brush and the ground, the cleaning effect of the sweeper brush and the service life of the brush bristles.
The sweeping disc structure of the existing sweeping machine is shown in figure 1, the sweeping disc structure comprises a sweeping disc 01, a connecting rod 02, an oil cylinder 03 and a limit adjusting threaded sleeve 04, one end of the connecting rod 02 and one end of the oil cylinder 03 are respectively and rotatably connected with the sweeping machine body, the other end of the connecting rod 02 is connected with the sweeping disc 01, the other end of the oil cylinder 03 is rotatably connected with the connecting rod 02, the limit adjusting threaded sleeve 04 is in threaded fit with a piston rod of the oil cylinder 03, and the structure can be seen by combining the figure, when the piston rod of the oil cylinder 03 extends out, the connecting rod 02 drives the sweeping disc 01 to move upwards, when the piston rod of the oil cylinder 03 retracts, the connecting rod 02 drives the sweeping disc 01 to move downwards, the retraction amount of the piston rod of the oil cylinder 03 can be controlled by adjusting the position of the threaded sleeve 04 on the piston rod of the oil cylinder 03, therefore, different sweeping plate operation heights are realized, the sweeping plate operation height adjusting mode is manual adjustment and needs to be preset before the sweeping machine runs. Because the operation height of the sweeping disc is mechanically limited in advance, the operation height of the sweeping disc cannot be automatically adjusted along with the unevenness of the road surface in the operation process of the sweeping car, the abrasion of bristles is fast, and the sweeping effect on the uneven road surface is poor; on the other hand, after the sweeper is worn for a period of time, in order to ensure the sweeping effect, the sweeping disc operation height needs to be manually calibrated again by a worker, and the workload of a user is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above, the first objective of the present invention is to provide a floating hydraulic system for a sweeper, so that the height of the sweeper can be automatically changed according to the unevenness of the road surface and the wear of the sweeper, unnecessary wear caused by the unevenness of the road surface is reduced, the sweeping effect on the uneven road surface is improved, and the increase of workload of a user due to subsequent manual calibration is avoided.
The utility model also provides a sweeping brush assembly and a sweeping machine based on the sweeping brush floating hydraulic system.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a broom hydraulic system that floats, includes broom support cylinder, relief pressure valve, oil pump and oil tank, one in the pole chamber and the rodless chamber of broom support cylinder passes through the relief pressure valve with the oil pump intercommunication, another in the pole chamber and the rodless chamber of broom support cylinder with the oil tank intercommunication.
Preferably, the oil pump further comprises a two-position four-way electromagnetic valve, a one-way valve and a hydraulic control one-way valve, an oil inlet of the two-position four-way electromagnetic valve is communicated with the oil pump, an oil return port of the two-position four-way electromagnetic valve is communicated with the oil tank, a working oil port of the two-position four-way electromagnetic valve is communicated with an oil inlet of the pressure reducing valve, the oil outlet of the pressure reducing valve is communicated with one of the rod cavity and the rodless cavity of the sweeper support cylinder through the one-way valve, the one-way valve is used for conducting the oil outlet of the pressure reducing valve to one of the rod cavity and the rodless cavity of the sweeper support oil cylinder in a one-way mode, the other working oil port of the two-position four-way electromagnetic valve is communicated with the other of the rod cavity and the rodless cavity of the sweeping and supporting oil cylinder and the hydraulic control port of the hydraulic control one-way valve, one of the rod cavity and the rodless cavity of the sweeper support cylinder is communicated with the oil tank through the hydraulic control one-way valve.
Preferably, the oil pump cleaning device further comprises a two-position four-way solenoid valve, a three-position four-way solenoid valve, a check valve and a hydraulic control check valve, wherein an oil inlet of the three-position four-way solenoid valve is communicated with the oil pump, an oil return port of the three-position four-way solenoid valve and an oil return port of the two-position four-way solenoid valve are respectively communicated with the oil tank, a working oil port of the three-position four-way solenoid valve is communicated with one of the rod cavity and the rodless cavity of the wiper support cylinder through the hydraulic control check valve, the other working oil port of the three-position four-way solenoid valve is communicated with an oil inlet of the two-position four-way solenoid valve, a working oil port of the two-position four-way solenoid valve is communicated with an oil inlet of the pressure reducing valve, an oil outlet of the pressure reducing valve is communicated with one of the rod cavity and the rodless cavity of the wiper support cylinder through the check valve, the oil outlet is used for conducting the pressure reducing valve to the rod cavity of the wiper support cylinder and the rodless cavity in a single direction, and the other working oil port of the two-position four-way electromagnetic valve is communicated with the hydraulic control port of the hydraulic control one-way valve, and the other working oil port of the two-position four-way electromagnetic valve is communicated with the other of the rod cavity and the rodless cavity of the sweeper support cylinder.
A sweeper assembly, comprising:
the first end of the connecting rod is arranged on the body of the sweeping machine in a rotating mode relative to the body of the sweeping machine;
the sweeper is arranged at the second end of the connecting rod;
the floating hydraulic system of the sweeper brush is characterized in that one of a cylinder body and a piston rod of a sweeper brush supporting oil cylinder of the floating hydraulic system of the sweeper brush is used for being rotatably arranged on a body of the sweeper truck relative to the body of the sweeper truck, the other of the cylinder body and the piston rod of the sweeper brush supporting oil cylinder is rotatably connected with the connecting rod, and the connecting rod swings up and down along with the extension of the sweeper brush supporting oil cylinder to drive the sweeper brush to lift.
Preferably, the sweeper further comprises an adjusting rod, the length of the adjusting rod is adjustable, a first end of the adjusting rod is used for being rotatably arranged on a sweeper truck body relative to the sweeper truck body, a second end of the adjusting rod and a second end of the connecting rod are respectively and rotatably connected with the sweeper brush, and the sweeper brush rotates relative to the connecting rod along with the extension and retraction of the adjusting rod.
Preferably, the sweeper truck further comprises a mounting member for mounting the sweeper brush assembly on a body of the sweeper truck, and the cylinder body of the sweeper brush support cylinder and one of the piston rods, the first end of the adjusting rod and the first end of the connecting rod are respectively rotatably connected with the mounting member.
Preferably, the mounting member includes a fixed frame, a rotating frame and a driving device, the rotating frame is rotatably disposed on the fixed frame, the fixed frame is used for being disposed on a vehicle body of the sweeping vehicle, one of a cylinder body and a piston rod of the sweeping brush supporting cylinder, a first end of the adjusting rod and a first end of the connecting rod are respectively rotatably connected with the rotating frame, the rotating frame is perpendicular to a rotating axis of the fixed frame and a rotating axis of the connecting rod relative to the rotating frame, the driving device is disposed on the fixed frame or the vehicle body of the sweeping vehicle, and an output end of the driving device is connected with the rotating frame to drive the rotating frame to rotate relative to the fixed frame.
A sweeper truck comprising a sweeper brush assembly as claimed in any one of the preceding claims.
In order to achieve the aim, the utility model provides a sweeper floating hydraulic system which comprises a sweeper supporting oil cylinder, a pressure reducing valve, an oil pump and an oil tank, wherein, the rod cavity of the wiper support cylinder is communicated with one of the rodless cavities through a pressure reducing valve, the rod cavity of the wiper support cylinder is communicated with the other rodless cavity of the rodless cavities, the pressure reducing valve is used for adjusting the oil pressure output to the rod cavity or the rodless cavity of the wiper support cylinder, if the rod cavity of the wiper support cylinder is communicated with the oil pump through the pressure reducing valve, the sweeper moves upwards along with the retraction of the piston rod of the sweeper support oil cylinder and moves downwards along with the extension of the piston rod of the sweeper support oil cylinder, if the rodless cavity of the sweeper support oil cylinder is communicated with the oil pump through the pressure reducing valve, the sweeper moves upwards along with the extension of the piston rod of the sweeper support oil cylinder and moves downwards along with the retraction of the piston rod of the sweeper support oil cylinder; when in use, the characteristic that the pressure of the outlet of the pressure reducing valve is basically constant is utilized, the sum of the supporting force of the wiper supporting oil cylinder on the wiper and the supporting force of the ground on the wiper is balanced with the self-weight of the wiper by adjusting the pressure of the outlet of the pressure reducing valve, when the ground is changed in a concave-convex manner or the wiper is worn, the supporting force of the ground on the wiper is changed, the self-weight of the wiper and the supporting force of the wiper supporting oil cylinder on the wiper are not changed, the balance is broken, the operation height of the wiper can be automatically adjusted along with the concave-convex change of the road and the wear of the wiper, manual adjustment is not needed, the workload of a user is reduced, the wiper wear is not intensified due to the concave-convex change of the road, the cleaning effect on uneven road is improved, the service life of the wiper is prolonged, and the adjustment of the mutual acting force between the ground and the wiper can be realized by adjusting the pressure of the outlet of the pressure reducing valve, thereby realizing the adjustment of the cleaning effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art wiper assembly;
FIG. 2 is a schematic structural diagram of a floating hydraulic sweeper system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sweeper floating hydraulic system according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sweeper assembly according to an embodiment of the present invention.
In fig. 1:
01 is a sweeping brush; 02 is a connecting rod; 03 is an oil cylinder; 04 is a limit adjusting screw sleeve;
in fig. 2-4:
1 is a sweeping brush supporting oil cylinder; 2 is a one-way valve; 3 is a pressure reducing valve; 4 is a hydraulic control one-way valve; 5 is a two-position four-way electromagnetic valve; 6 is a three-position four-way electromagnetic valve; 7 is a sweeping brush; 8 is a connecting rod; 9 is a mounting member; and 10 is an adjusting rod.
Detailed Description
One of the cores of the utility model is to provide a sweeper floating hydraulic system, the structural design of which enables the sweeper operation height to automatically change along with the concave-convex change of the road surface and the self abrasion condition, reduces unnecessary abrasion increased due to the concave-convex change of the road surface, improves the sweeping effect on the uneven road surface and avoids the increase of workload of users due to subsequent manual calibration.
The other core of the utility model is to provide a sweeper brush assembly based on the sweeper brush floating hydraulic system and a sweeper truck.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the utility model provides a sweeper floating hydraulic system which comprises a sweeper supporting oil cylinder 1, a pressure reducing valve 3, an oil pump and an oil tank.
The device comprises a sweeping brush supporting oil cylinder 1, a pressure reducing valve 3, an oil pump, a pressure reducing valve 3, a sweeping brush 7 and a sweeping brush supporting oil cylinder 1, wherein a rod cavity of the sweeping brush supporting oil cylinder 1 is communicated with one of rodless cavities through the pressure reducing valve 3, the pressure reducing valve 3 is used for adjusting oil pressure output to the rod cavity or the rodless cavity of the sweeping brush supporting oil cylinder 1, if the rod cavity of the sweeping brush supporting oil cylinder 1 is communicated with the oil pump through the pressure reducing valve 3, a sweeping brush 7 moves upwards along with retraction of a piston rod of the sweeping brush supporting oil cylinder 1 and moves downwards along with extension of the piston rod of the sweeping brush supporting oil cylinder 1, and if the rodless cavity of the sweeping brush supporting oil cylinder 1 is communicated with the oil pump through the pressure reducing valve 3, the sweeping brush 7 moves upwards along with extension of the piston rod of the sweeping brush supporting oil cylinder 1 and moves downwards along with retraction of the piston rod of the sweeping brush supporting oil cylinder 1.
Compared with the prior art, the sweeper floating hydraulic system provided by the utility model has the advantages that by utilizing the characteristic that the pressure at the outlet of the pressure reducing valve 3 is basically constant, the sum of the supporting force of the sweeper supporting oil cylinder 1 on the sweeper 7 and the supporting force of the ground on the sweeper 7 is balanced with the self-weight of the sweeper 7 by adjusting the pressure at the outlet of the pressure reducing valve 3, when the ground is sunken or the sweeper 7 is worn, the supporting force of the ground on the sweeper 7 is reduced, the self-weight of the sweeper 7 and the supporting force of the sweeper supporting oil cylinder 1 on the sweeper 7 are unchanged, the original balance is broken, and therefore, the sweeper 7 is automatically lowered until the supporting force of the ground on the sweeper 7 is restored to the original level to form balance again; when the ground is raised, the supporting force of the ground to the sweeper brush 7 is increased, the self weight of the sweeper brush 7 and the supporting force of the sweeper brush supporting oil cylinder 1 to the sweeper brush 7 are unchanged, the sweeper brush 7 moves upwards under the action of the ground supporting force to break the original balance until the supporting force of the ground to the sweeper brush 7 is reduced to the self weight of the sweeper brush 7, the supporting force of the sweeper brush supporting oil cylinder 1 to the sweeper brush 7 and the supporting force of the ground to the sweeper brush 7 are balanced again; therefore, when the ground surface has concave-convex change or the sweeper 7 is abraded, the supporting force of the ground surface to the sweeper 7 is changed, the self weight of the sweeper 7 and the supporting force of the sweeper supporting oil cylinder 1 to the sweeper 7 are not changed, the sweeper 7 moves in a direction which enables the self weight of the sweeper 7, the supporting force of the sweeper supporting oil cylinder 1 to the sweeper 7 and the supporting force of the ground surface to be balanced again, the operation height of the sweeper 7 can be automatically adjusted along with the concave-convex change of the road surface and the abrasion of the sweeper 7, manual adjustment is not needed, the workload of a user is reduced, the abrasion of the sweeper 7 is not intensified due to the concave-convex change of the road surface, the cleaning effect on uneven road surfaces is improved, the service life of the sweeper 7 is prolonged, and the adjustment of the mutual acting force between the ground surface and the sweeper 7 can be realized by adjusting the outlet pressure of the pressure reducing valve 3, thereby realizing the adjustment of the cleaning effect.
In practical application, after the sweeping operation of the sweeper brush 7 is completed, the sweeper brush 7 may need to be lowered and/or moved upwards, for this reason, in a specific embodiment of the present invention, as shown in fig. 2, the hydraulic system further includes a two-position four-way solenoid valve 5, a check valve 2 and a hydraulic control check valve 4, an oil inlet of the two-position four-way solenoid valve 5 is communicated with an oil pump, an oil return port of the two-position four-way solenoid valve 5 is communicated with an oil tank, a working oil port of the two-position four-way solenoid valve 5 is communicated with an oil inlet of the pressure reducing valve 3, an oil outlet of the pressure reducing valve 3 is communicated with one of the rodless cavities through the check valve 2 and a rodless cavity of the sweeper brush support cylinder 1, the check valve 2 is used for conducting the oil outlet of the pressure reducing valve 3 to the one of the rodless cavity and the rodless cavity of the sweeper brush support cylinder 1 in a one-way, the other working oil port of the two-position four-way solenoid valve 5 is communicated with the rodless cavity of the sweeper brush support cylinder 1 and the rodless cavity and a port of the hydraulic control check valve 4, one of the rod cavity and the rodless cavity of the sweeper support cylinder 1 is communicated with the oil tank through a hydraulic control one-way valve 4.
When the sweeping operation is performed, the electromagnet DT1 of the two-position four-way electromagnetic valve 5 cannot be electrified, the output end of the oil pump is communicated with the rodless cavity of the sweeping supporting oil cylinder 1 through the pressure oil port P, the working oil port A, the pressure reducing valve 3 and the check valve 2 of the two-position four-way electromagnetic valve 5, and the rod cavity of the sweeping supporting oil cylinder 1 is communicated with the oil tank through the working oil port B and the oil return port T of the two-position four-way electromagnetic valve 5; after the road sweeping operation is completed, if the sweeping brush 7 needs to be lowered or lifted, the electromagnet DT1 of the two-position four-way solenoid valve 5 is controlled to be powered on, the two-position four-way solenoid valve 5 is switched from the left position to the right position, the output end of the oil pump is communicated with the rod cavity of the sweeping brush supporting oil cylinder 1 through the pressure oil port P and the working oil port B of the two-position four-way solenoid valve 5, meanwhile, under the action of oil pressure output by the oil pump, the hydraulic control one-way valve 4 is opened to conduct the right path between the rodless cavity of the sweeping brush supporting oil cylinder 1 and the oil tank so that the rodless cavity of the sweeping brush supporting oil cylinder 1 is communicated with the oil tank, the piston rod of the sweeping brush supporting oil cylinder 1 retracts at the moment, and the sweeping brush 7 is lowered to the low point or lifted to the high point.
Of course, the floating hydraulic system may also adopt other structures, as shown in fig. 3, in another embodiment of the present invention, the floating hydraulic system further includes a two-position four-way solenoid valve 5, a three-position four-way solenoid valve 6, a check valve 2 and a hydraulic control check valve 4, an oil inlet of the three-position four-way solenoid valve 6 is communicated with the oil pump, an oil return port of the three-position four-way solenoid valve 6 and an oil return port of the two-position four-way solenoid valve 5 are respectively communicated with the oil tank, a working oil port of the three-position four-way solenoid valve 6 is communicated with one of the rodless cavities (shown as rodless cavity) of the wiper support cylinder 1 through the hydraulic control check valve 4, another working oil port of the three-position four-way solenoid valve 6 is communicated with the oil inlet of the two-position four-way solenoid valve 5, one working oil port of the two-position four-way solenoid valve 5 is communicated with an oil inlet of the pressure reducing valve 3, an oil outlet of the pressure reducing valve 3 is communicated with one of the rodless cavities (shown as rodless cavity) of the rodless cavities through the check valve 2 and the rodless cavity of the wiper support cylinder 1 The check valve 2 is used for conducting the oil outlet of the pressure reducing valve 3 to one (shown as a rodless cavity) of the rod cavity and the rodless cavity of the sweeper support oil cylinder 1 in a one-way mode, the other working oil port of the two-position four-way solenoid valve 5 is communicated with the hydraulic control port of the hydraulic control check valve 4, and the other working oil port of the two-position four-way solenoid valve 5 is communicated with the rod cavity of the sweeper support oil cylinder 1 and the other (shown as a rod cavity) of the rodless cavity.
When the floating hydraulic system is applied, a user instruction is received firstly, and the user can send out an instruction through a touch screen, a keyboard, a remote controller, voice or gestures; if the command is a road sweeping operation command, controlling the right electromagnet DT3 of the three-position four-way electromagnetic valve 6 to be electrified, communicating one of a rod cavity and a rodless cavity of the sweeper support oil cylinder 1 with the output end of the oil pump through the one-way valve 2, the pressure reducing valve 3, the two-position four-way electromagnetic valve 5 and the three-position four-way electromagnetic valve 6, communicating the rod cavity and the other of the rodless cavity of the sweeper support oil cylinder 1 with the oil tank through the two-position four-way electromagnetic valve 5, moving the sweeper 7 to a preset operation position by the action of the sweeper support oil cylinder 1, and adjusting the outlet pressure of the pressure reducing valve 3 according to the road condition at the preset operation position so that the interaction force between the sweeper 7 and the ground meets the road condition requirement; if the command is an operation finishing command, controlling a left electromagnet DT2 of a three-position four-way electromagnetic valve 6 to be electrified, communicating one of a rod cavity and a rodless cavity of a sweeper support oil cylinder 1 with the output end of an oil pump through a hydraulic control one-way valve 4 and the three-position four-way electromagnetic valve 6, communicating the rod cavity and the other of the rodless cavity of the sweeper support oil cylinder 1 with an oil tank through a two-position four-way electromagnetic valve 5, and lifting a sweeper 7 to the highest position by the action of the sweeper support oil cylinder 1; if the command is a maintenance command, controlling the right electromagnet DT3 of the three-position four-way electromagnetic valve 6 and the electromagnet DT1 of the two-position four-way electromagnetic valve 5 to be electrified, communicating one of the rod cavity and the rodless cavity of the sweeper support oil cylinder 1 with the oil tank through the hydraulic control one-way valve 4 and the three-position four-way electromagnetic valve 6, communicating the other of the rod cavity and the rodless cavity of the sweeper support oil cylinder 1 with the output end of the oil pump through the two-position four-way electromagnetic valve 5 and the three-position four-way electromagnetic valve 6, conducting the hydraulic control one-way valve 4 in a reverse direction under the action of pressure oil, and driving the sweeper 7 to be lowered by the action of the sweeper support oil cylinder 1 so as to be convenient for a user to maintain.
Before the practical application, the height of the sweeping operation needs to be calibrated, and the calibration method comprises the following steps:
firstly, acquiring road condition information, acquiring the road condition information and inputting the road condition information into a system, wherein the road condition information comprises an asphalt road surface, a cement road surface and a masonry road surface, so that a comparison table of the road condition information and the outlet pressure of the pressure reducing valve 3 is formed in the system after calibration is completed, and when a user operates subsequently, the system can call the corresponding outlet pressure of the pressure reducing valve 3 from the comparison table according to the road condition information input by the user and adjust the pressure reducing valve 3;
then controlling the right electromagnet DT3 of the three-position four-way electromagnetic valve 6 to be electrified, communicating one of the rod cavity and the rodless cavity of the sweeper support oil cylinder 1 with the output end of the oil pump through the check valve 2, the pressure reducing valve 3, the two-position four-way electromagnetic valve 5 and the three-position four-way electromagnetic valve 6, and communicating the rod cavity and the other of the rodless cavity of the sweeper support oil cylinder 1 with the oil tank through the two-position four-way electromagnetic valve 5;
and finally, regulating the outlet pressure of the pressure reducing valve 3 for multiple times, controlling the sweeper 7 to carry out sweeping operation on the road condition after each regulation, selecting the position of the sweeper 7 with the best sweeping effect as an operation position which is in accordance with the acquired road condition information, and taking the operation position as a preset operation position corresponding to the road condition information.
Referring to fig. 4, an embodiment of the present invention further provides a sweeper brush assembly, which includes a connecting rod 8, a sweeper brush 7, and the sweeper brush floating hydraulic system according to the above embodiment, wherein a first end of the connecting rod 8 is configured to be rotatably disposed on a body of the sweeper truck relative to the body of the sweeper truck; the sweeper 7 is arranged at the second end of the connecting rod 8; one of a cylinder body and a piston rod of a sweeper supporting oil cylinder 1 of the sweeper floating hydraulic system is used for being rotatably arranged on a body of the sweeper relative to the body of the sweeper, the other of the cylinder body and the piston rod of the sweeper supporting oil cylinder 1 is rotatably connected with a connecting rod 8, and the connecting rod 8 swings up and down along with the extension and retraction of the sweeper supporting oil cylinder 1 to drive a sweeper 7 to lift.
The sweeper supporting oil cylinder 1 can be arranged on the upper side or the lower side of the connecting rod 8, when the sweeper supporting oil cylinder 1 is arranged on the upper side of the connecting rod 8 and a piston rod of the sweeper supporting oil cylinder 1 extends out, the connecting rod 8 drives the sweeper 7 to descend, and when the piston rod of the sweeper supporting oil cylinder 1 retracts, the connecting rod 8 drives the sweeper 7 to move upwards; when the wiper support cylinder 1 is disposed at the lower side of the connecting rod 8, as shown in fig. 4, when the piston rod of the wiper support cylinder 1 extends out, the connecting rod 8 drives the wiper 7 to move upwards, and when the piston rod of the wiper support cylinder 1 retracts, the connecting rod 8 drives the wiper 7 to move downwards.
Further optimizing the technical scheme, as shown in fig. 4, the sweeper assembly further includes an adjusting rod 10, the length of the adjusting rod 10 is adjustable, a first end of the adjusting rod 10 is used for being rotatably arranged on a body of the sweeper relative to the body of the sweeper, a second end of the adjusting rod 10 and a second end of the connecting rod 8 are rotatably connected with the sweeper 7 respectively, and the sweeper 7 rotates relative to the connecting rod 8 along with the extension and retraction of the adjusting rod 10, so that when the adjusting rod 10 extends and retracts, the sweeping disc rotates relative to the connecting rod 8, and the contact area and the contact position of the sweeper 7 and the ground can be changed.
Preferably, as shown in fig. 4, the sweeper brush assembly further comprises a mounting member 9 for mounting the sweeper brush assembly to a body of the sweeper truck, and the cylinder body and one of the piston rods of the sweeper brush support cylinder 1, the first end of the adjustment rod 10 and the first end of the connecting rod 8 are rotatably connected to the mounting member 9, respectively.
Further, the mounting member 9 includes a fixing frame, a rotating frame and a driving device, the rotating frame is rotatably disposed on the fixing frame, the fixing frame is configured to be disposed on a body of the sweeping machine, the cylinder body of the sweeping brush supporting cylinder 1 and one of the piston rods, the first end of the adjusting rod 10 and the first end of the connecting rod 8 are respectively rotatably connected to the rotating frame, the rotating frame is perpendicular to the rotating axis of the connecting rod 8 relative to the rotating frame relative to the rotating axis of the fixing frame, the driving device is disposed on the fixing frame or the body of the sweeping machine, and an output end of the driving device is connected to the rotating frame to drive the rotating frame to rotate relative to the fixing frame, so that the sweeping brush 7 can swing in the front-back direction of the body.
The embodiment of the utility model also provides a sweeping machine, which comprises the sweeping brush assembly in the embodiment, and the sweeping machine adopts the sweeping brush assembly in the embodiment, so the technical effect of the sweeping machine refers to the embodiment.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a broom floating hydraulic system which characterized in that, includes broom support cylinder, relief pressure valve, oil pump and oil tank, one of the pole chamber and the rodless chamber of broom support cylinder passes through the relief pressure valve with the oil pump intercommunication, another one of the pole chamber and the rodless chamber of broom support cylinder with the oil tank intercommunication.
2. The brush floating hydraulic system according to claim 1, further comprising a two-position four-way solenoid valve, a check valve and a hydraulic control check valve, an oil inlet of the two-position four-way solenoid valve is communicated with the oil pump, an oil return port of the two-position four-way solenoid valve is communicated with the oil tank, a working oil port of the two-position four-way solenoid valve is communicated with an oil inlet of the pressure reducing valve, an oil outlet of the pressure reducing valve is communicated with one of the rod cavity and the rodless cavity of the brush supporting cylinder through the check valve, the check valve is used for conducting the oil outlet of the pressure reducing valve to one of the rod cavity and the rodless cavity of the brush supporting cylinder in a one-way manner, the other working oil port of the two-position four-way solenoid valve is communicated with the other of the rod cavity and the rodless cavity of the brush supporting cylinder and the hydraulic control port of the hydraulic control check valve, one of the rod cavity and the rodless cavity of the sweeper support cylinder is communicated with the oil tank through the hydraulic control one-way valve.
3. The brush floating hydraulic system according to claim 1, further comprising a two-position four-way solenoid valve, a three-position four-way solenoid valve, a check valve, and a hydraulic control check valve, wherein an oil inlet of the three-position four-way solenoid valve is communicated with the oil pump, an oil return port of the three-position four-way solenoid valve and an oil return port of the two-position four-way solenoid valve are respectively communicated with the oil tank, a working oil port of the three-position four-way solenoid valve is communicated with one of the rod cavity and the rodless cavity of the brush supporting cylinder through the hydraulic control check valve, another working oil port of the three-position four-way solenoid valve is communicated with an oil inlet of the two-position four-way solenoid valve, a working oil port of the two-position four-way solenoid valve is communicated with an oil inlet of the pressure reducing valve, an oil outlet of the pressure reducing valve is communicated with one of the rod cavity and the rodless cavity of the brush supporting cylinder through the check valve, the one-way valve is used for conducting the oil outlet of the pressure reducing valve to one of the rod cavity and the rodless cavity of the sweeping and supporting oil cylinder in a one-way mode, the other working oil port of the two-position four-way electromagnetic valve is communicated with the hydraulic control port of the hydraulic control one-way valve, and the other working oil port of the two-position four-way electromagnetic valve is communicated with the other one of the rod cavity and the rodless cavity of the sweeping and supporting oil cylinder.
4. A sweeper assembly, comprising:
the first end of the connecting rod is arranged on the body of the sweeping machine in a rotating mode relative to the body of the sweeping machine;
the sweeper is arranged at the second end of the connecting rod;
the floating hydraulic sweeper brush system as claimed in any one of claims 1 to 3, wherein one of the cylinder body and the piston rod of the floating hydraulic sweeper brush support cylinder is rotatably mounted on the body of the sweeper truck relative to the body of the sweeper truck, and the other of the cylinder body and the piston rod of the floating hydraulic sweeper brush support cylinder is rotatably connected to the connecting rod, and the connecting rod swings up and down with the extension and retraction of the floating sweeper brush support cylinder to drive the sweeper brush to lift.
5. The sweeper assembly of claim 4 further comprising an adjustment lever having an adjustable length and a first end adapted to be rotatably mounted to the body of the sweeper truck relative to the body of the sweeper truck, a second end of the adjustment lever and a second end of the link being rotatably coupled to the sweeper brush, respectively, the sweeper brush rotating relative to the link as the adjustment lever is extended and retracted.
6. The sweeper assembly of claim 5 further comprising a mounting member for mounting the sweeper assembly to a body of a sweeping vehicle, one of the body and the piston rod of the sweeper support cylinder, the first end of the adjustment lever and the first end of the connecting rod each being rotatably coupled to the mounting member.
7. A sweeper brush assembly according to claim 6 wherein the mounting member includes a mounting bracket, a turret and a drive means, the turret being rotatably mounted to the mounting bracket, the mounting bracket being adapted to be mounted to the body of the sweeper truck, the body of the sweeper support cylinder and one of the piston rods, the first end of the adjustment lever and the first end of the connecting rod being respectively rotatably connected to the turret, the turret being perpendicular to the connecting rod relative to the turret about an axis of rotation of the turret relative to the axis of rotation of the mounting bracket, the drive means being mounted to the mounting bracket or the body of the sweeper truck, the output of the drive means being connected to the turret to drive the turret to rotate relative to the mounting bracket.
8. A sweeper truck comprising a sweeper brush assembly according to any one of claims 4 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684570.2U CN215861037U (en) | 2021-04-02 | 2021-04-02 | Sweeping machine, sweeping brush assembly and sweeping brush floating hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684570.2U CN215861037U (en) | 2021-04-02 | 2021-04-02 | Sweeping machine, sweeping brush assembly and sweeping brush floating hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861037U true CN215861037U (en) | 2022-02-18 |
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ID=80318590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120684570.2U Active CN215861037U (en) | 2021-04-02 | 2021-04-02 | Sweeping machine, sweeping brush assembly and sweeping brush floating hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861037U (en) |
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2021
- 2021-04-02 CN CN202120684570.2U patent/CN215861037U/en active Active
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