CN217753880U - Articulated formula sweeping equipment is with two hydro-cylinder steering mechanism and sweeping equipment - Google Patents
Articulated formula sweeping equipment is with two hydro-cylinder steering mechanism and sweeping equipment Download PDFInfo
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- CN217753880U CN217753880U CN202222040295.8U CN202222040295U CN217753880U CN 217753880 U CN217753880 U CN 217753880U CN 202222040295 U CN202222040295 U CN 202222040295U CN 217753880 U CN217753880 U CN 217753880U
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Abstract
The utility model provides a double-oil-cylinder steering mechanism for articulated road sweeping equipment and road sweeping equipment, which relate to the technical field of road sweeping equipment and solve the problems of steering smoothness and poor driving feeling of the articulated road sweeping equipment in the prior art, the utility model comprises a front frame and a rear frame, wherein the middle part of the tail part of the front frame is articulated with the middle part of the head part of the rear frame, and the front frame can be swung left and right relative to the rear frame; the front frame is symmetrically provided with a first linear telescopic device and a second linear telescopic device which are symmetrically arranged on the left side and the right side of the front frame; the front end and the rear end of the first linear telescopic equipment are respectively hinged with the left side of the front frame and the left side of the rear frame; the front end and the rear end of the second linear telescopic equipment are respectively hinged with the right side of the front frame and the right side of the rear frame. Compared with the prior art, the utility model, control the response time when turning to the same angle unanimous, turn to the ride comfort and drive the impression better.
Description
Technical Field
The utility model relates to a sweeping equipment technical field, specific saying so, articulated formula is double-cylinder steering mechanism and sweeping equipment for sweeping equipment.
Background
The existing articulated road sweeper comprises a front frame and a rear frame which are mutually articulated, and the left and right steering of the vehicle is controlled by adopting the extension of a single oil cylinder between the front frame and the rear frame. When the oil cylinder extends out, the vehicle turns left; when the oil cylinder retracts, the vehicle turns right. Because the sectional areas of the large and small cavities of the oil cylinder are unequal, the extending and retracting speeds of the oil cylinder are different, and the required oil amount is different, so that the response time is different when the vehicle turns left and right at the same angle, and the steering smoothness and the driving feeling are poorer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a articulated formula sweeping machine is with double-cylinder steering mechanism and sweeping machine for solve articulated formula sweeping machine and turn to ride comfort and drive the poor problem of impression.
The utility model discloses a following technical scheme realizes:
the utility model provides a double-oil-cylinder steering mechanism for articulated road sweeping equipment, which comprises a front frame, a rear frame and a linear telescopic device; the middle part of the tail part of the front frame is hinged with the middle part of the head part of the rear frame, and the front frame can deflect left and right relative to the rear frame; the linear telescopic equipment comprises first linear telescopic equipment and second linear telescopic equipment which are symmetrically arranged on the left side and the right side of the front frame; the front end and the rear end of the first linear telescopic equipment are respectively hinged with the left side of the front frame and the left side of the rear frame; the front end and the rear end of the second linear telescopic equipment are respectively hinged with the right side of the front frame and the right side of the rear frame; when the first linear telescopic equipment is longer than the second linear telescopic equipment, the front frame deviates to the right relative to the rear frame; when the first linear telescopic device is shorter than the second linear telescopic device, the front frame is deviated to the left relative to the rear frame.
When the structure is arranged, the linear telescopic equipment comprises first linear telescopic equipment and second linear telescopic equipment which are symmetrically arranged on the left side and the right side of the front frame, the left deflection and the right deflection of the front frame are controlled through the relative telescopic quantity of the first linear telescopic equipment and the second linear telescopic equipment, the influence of a large cavity and a small cavity on steering response when a single oil cylinder controls steering is eliminated, the response time consistency in the left-right turning process of a vehicle can be ensured, the steering smoothness and consistency are improved, and the driving feeling is improved.
Further for better realization the utility model discloses, adopt the following structure that sets up very much: the first linear telescopic equipment and the second linear telescopic equipment are both arranged to be oil cylinders.
Further for better realization the utility model discloses, adopt the following structure that sets up very much: the first linear telescopic equipment and the second linear telescopic equipment are both arranged as double-acting oil cylinders;
a first small cavity oil port of the first linear telescopic equipment is connected with a second large cavity oil port of the second linear telescopic equipment in series and is connected into a first main oil way;
and a first large cavity oil port of the first linear telescopic equipment and a second small cavity oil port of the second linear telescopic equipment are connected in series and connected into a second main oil way.
When the structure is adopted, the first linear telescopic equipment and the second linear telescopic equipment can realize linkage, and when the steering is performed to any side, the oil inlet of the large cavity of the oil cylinder and the oil inlet of the small cavity of the oil cylinder can be ensured, the oil action area is ensured to be the same, the telescopic speed of the two piston rods is the same, and the problem that the telescopic speed of the piston rods caused by the difference of the left area and the right area of the large cavity of the oil cylinder and the small cavity of the oil cylinder is different is solved. The vehicle left-turn and right-turn steering device can ensure that the response time is consistent when the vehicle turns by the same angle, and can also ensure that the rotation time of the left-turn dead and the right-turn dead is consistent, thereby improving the smoothness and consistency of the frame steering and improving the driving feeling.
Further for better realization the utility model discloses, adopt following structure that sets up very much: a cylinder barrel of the first linear telescopic equipment is hinged with a first vertically arranged rear frame shaft connected to the rear frame, and a piston rod of the first linear telescopic equipment is hinged with a first vertically arranged front frame shaft connected to the front frame; the cylinder barrel of the second linear telescopic equipment is hinged to a second rear frame shaft which is connected to the rear frame and is vertically arranged, and the piston rod of the second linear telescopic equipment is hinged to a second front frame shaft which is connected to the front frame and is vertically arranged.
Further for better realization the utility model discloses, adopt the following structure that sets up very much: the middle part of the tail part of the front frame is provided with a support arm extending backwards, and the support arm is hinged with the middle part of the head part of the rear frame through a vertically arranged rotating shaft.
Further for better realization the utility model discloses, adopt following structure that sets up very much: the double-oil-cylinder steering mechanism further comprises a connecting arm, and the connecting arm is positioned above the supporting arm; the middle part of the tail part of the front frame is hinged with one end of the connecting arm through a vertically arranged rotating shaft, and the middle part of the head part of the rear frame is hinged with the other end of the connecting arm through a vertically arranged rotating shaft.
Further for better realization the utility model discloses, adopt the following structure that sets up very much: the first linear telescopic device and the second linear telescopic device are arranged below the front frame and the rear frame.
Further for better realization the utility model discloses, adopt following structure that sets up very much: the front end of the first linear telescopic device is inclined towards the right compared with the rear end thereof, and the front end of the second linear telescopic device is inclined towards the left compared with the rear end thereof.
The utility model also provides a sweeping equipment, including foretell double-cylinder steering mechanism.
Further for better realization the utility model discloses, adopt following structure that sets up very much: and the left side and the right side of the front frame and the rear frame of the double-oil-cylinder steering mechanism are respectively provided with a wheel.
The utility model has the advantages of it is following and beneficial effect:
the utility model discloses in, the flexible equipment of straight line has included the first linear flexible equipment and the flexible equipment of second straight line that the frame left and right sides was listed in the front symmetrically, the relative flexible volume through the flexible equipment of first linear flexible equipment and second straight line controls the front truck frame and deflects about, big or small chamber is to turning to the influence of response when having eliminated single hydro-cylinder control and turning to, can guarantee that the vehicle is controlled the response time of turning in-process unanimous, has improved the ride comfort and the uniformity that turn to, has improved the driving impression.
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 description below 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 shows the structure of a double-cylinder steering mechanism for an articulated road sweeping apparatus;
FIG. 2 is a bottom view of a dual cylinder steering mechanism for an articulated sweeping machine;
FIG. 3 is an oil path structure of a double-cylinder steering mechanism for the articulated road sweeping device;
labeled as:
1. a front frame; 11. a first front frame axle; 12. a second front frame axle; 13. a support arm;
2. a rear frame; 21. a first rear frame axle; 22. a second rear frame axle;
3. a connecting arm;
4. a first linear expansion device; 41. a first small cavity oil port; 42. a first large cavity oil port;
5. a second linear telescopic device; 51. a second small cavity oil port; 52. a second large cavity oil port;
6. a first main oil passage;
7. and a second main oil passage.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Example 1:
a double-cylinder steering mechanism for articulated road sweeping equipment has the advantages that the response time of cylinders is consistent when the cylinders are steered to the same angle from left to right, the influence of large and small cavities on steering response is eliminated, and steering smoothness and driving feeling are good, and the double-cylinder steering mechanism is particularly arranged into the following structures as shown in figures 1, 2 and 3:
the double-oil-cylinder steering mechanism comprises a front frame 1, a rear frame 2 and a linear telescopic device.
The front frame 1 and the rear frame 2 are disposed in a front-rear relationship. The middle position of the tail part of the front frame 1 is provided with a supporting arm 13 which extends backwards along the front-back direction, and the supporting arm 13 is hinged with the middle position of the head part of the rear frame 2 through a vertically arranged rotating shaft. The front frame 1 can be swiveled to the left or to the right about the articulation point with the rear frame 2 for effecting a left or right turn of the vehicle.
The linear telescopic equipment comprises two sets with the same performance, and comprises a first linear telescopic equipment 4 and a second linear telescopic equipment 5. The first and second linear telescopic devices 4 and 5 are symmetrically arranged at both left and right sides of the front frame 1, and the first and second linear telescopic devices 4 and 5 are disposed below the front and rear frames 1 and 2. The front end and the rear end of the first linear telescopic device 4 are respectively hinged to the left side of the front frame 1 and the left side of the rear frame 2 through rotating shafts, and the front end and the rear end of the second linear telescopic device 5 are respectively hinged to the right side of the front frame 1 and the right side of the rear frame 2 through rotating shafts.
The first linear telescopic device 4 and the second linear telescopic device 5 can adopt devices which can provide linear driving, such as an electric push rod, a starting push rod or an oil cylinder and the like.
In use, left and right steering of the vehicle is achieved by the synchronous telescopic engagement of the first and second linear telescopic devices 4, 5. When turning, the second linear telescopic device 5 needs to be shortened correspondingly when the first linear telescopic device 4 is extended. When the first linear telescopic device 4 is longer than the second linear telescopic device 5, the front frame 1 is deviated to the right relative to the rear frame 2 so as to realize the right turning of the vehicle; when the first linear telescopic device 4 is short relative to the second linear telescopic device 5, the front frame 1 is offset to the left relative to the rear frame 2 for achieving a left turn of the vehicle.
As a best mode of the present embodiment, the first and second linear telescopic devices 4 and 5 are provided as double acting cylinders having the same telescopic performance. The first linear expansion device 4 and the second linear expansion device 5 both have a small chamber oil port and a large chamber oil port. The tail end of a cylinder barrel of the first linear telescopic equipment 4 is hinged with a first rear frame shaft 21 which is connected to the left side position of the bottom of the rear frame 2 and is vertically arranged, and the rod end of a piston rod of the first linear telescopic equipment 4 is hinged with a first front frame shaft 11 which is connected to the left side position of the bottom of the front frame 1 and is vertically arranged; the tail end of the cylinder of the second linear telescopic equipment 5 is hinged to a second rear frame shaft 22 which is connected to the vertical arrangement of the right side position of the bottom of the rear frame 2, and the rod end of a piston rod of the second linear telescopic equipment 5 is hinged to a second front frame shaft 12 which is connected to the vertical arrangement of the right side position of the bottom of the front frame 1. The front end of the first linear telescopic device 4 is inclined to the right than the rear end thereof, and the front end of the second linear telescopic device 5 is inclined to the left than the rear end thereof. In terms of oil path structure, the first small chamber oil port 41 of the first linear expansion device 4 is connected in series with the second large chamber oil port 52 of the second linear expansion device 5 through an oil pipe and is connected to the first main oil path 6. The first large chamber oil port 42 of the first linear expansion device 4 is connected in series with the second small chamber oil port 51 of the second linear expansion device 5 through an oil pipe and is connected to the second main oil passage 7.
In this embodiment, the straight line telescopic equipment has included symmetrical first straight line telescopic equipment 4 and the second straight line telescopic equipment 5 of listing in the preceding frame 1 left and right sides respectively, first straight line telescopic equipment 4 and the linkage of second straight line telescopic equipment 5 can be realized, the relative flexible volume through first straight line telescopic equipment 4 and second straight line telescopic equipment 5 controls the left and right deflection of preceding frame 1, big and small chamber is to turning to the influence of response when can eliminating the single cylinder control and turn to, can guarantee that the vehicle is controlled the response time of turning in-process unanimously, the smoothness and the uniformity that turn to have been improved, the driving sensation has been improved.
When the telescopic oil cylinder is used, no matter which side the vehicle turns, the oil can be fed into the large cavity of the oil cylinder and the small cavity of the oil cylinder, the acting areas of the oil are ensured to be the same, the telescopic speed of the two piston rods is enabled to be the same, and the problem that the telescopic speed of the piston rods is different due to the fact that the left area and the right area of the oil fed into the large cavity of the single oil cylinder and the small cavity of the oil cylinder are different is solved. The vehicle steering control device can ensure that the response time is consistent when the vehicle turns left and right at the same angle, and can also ensure that the rotation time of the left dead and the right dead is consistent, thereby improving the smoothness and consistency of the vehicle frame steering and improving the driving feeling.
Example 2:
this embodiment is further optimized on the basis of above-mentioned embodiment, and further for better realization the utility model discloses, adopt following setting structure very much:
in this embodiment, the support arm 13 of the dual-cylinder steering mechanism is located at the bottom of the front frame 1, and the front frame 1 and the rear frame 2 are connected by a connecting arm 3. Specifically, the connecting arm 3 extends forward and backward, and is entirely located right above the supporting arm 13. The middle position of the tail part of the front frame 1 is connected with a vertically arranged rotating shaft, and the middle position of the head part of the rear frame 2 is also connected with a vertically arranged rotating shaft.
The front end of the connecting arm 3 is hinged with the front frame 1 through a rotating shaft connected to the middle part of the tail part of the front frame 1, and the rear end of the connecting arm 3 is hinged with the rear frame 2 of the connecting arm 3 through a rotating shaft connected to the middle part of the head part of the rear frame 2.
Example 3:
the present embodiment further provides a sweeping apparatus based on the above embodiments, and particularly adopts the following arrangement structure:
the road sweeping equipment comprises the double-oil-cylinder steering mechanism in any one of the embodiments, wherein the left side and the right side of a front frame 1 and a rear frame 2 of the double-oil-cylinder steering mechanism are respectively provided with a wheel, and the front frame 1 and the rear frame 2 are provided with corresponding equipment, a carriage and the like.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides an articulated formula sweeping equipment is with two hydro-cylinder steering mechanism which characterized in that: comprises a front frame (1), a rear frame (2) and a linear telescopic device;
the middle part of the tail part of the front frame (1) is hinged with the middle part of the head part of the rear frame (2), and the front frame (1) can deflect left and right relative to the rear frame (2);
the linear telescopic equipment comprises a first linear telescopic equipment (4) and a second linear telescopic equipment (5) which are symmetrically arranged on the left side and the right side of the front frame (1); the front end and the rear end of the first linear telescopic equipment (4) are respectively hinged with the left side of the front frame (1) and the left side of the rear frame (2); the front end and the rear end of the second linear telescopic equipment (5) are respectively hinged with the right side of the front frame (1) and the right side of the rear frame (2);
when the first linear telescopic device (4) is longer than the second linear telescopic device (5), the front frame (1) is deviated to the right relative to the rear frame (2); when the first linear telescopic device (4) is shorter than the second linear telescopic device (5), the front frame (1) is deviated to the left relative to the rear frame (2).
2. The double-cylinder steering mechanism for the articulated road sweeping device of claim 1, which is characterized in that: the first linear telescopic equipment (4) and the second linear telescopic equipment (5) are both provided with oil cylinders.
3. The double-cylinder steering mechanism for the articulated road sweeping device of claim 2, wherein: the first linear telescopic equipment (4) and the second linear telescopic equipment (5) are both set as double-acting oil cylinders;
a first small cavity oil port (41) of the first linear telescopic equipment (4) and a second large cavity oil port (52) of the second linear telescopic equipment (5) are connected in series and are connected into a first main oil way (6);
and a first large cavity oil port (42) of the first linear telescopic equipment (4) and a second small cavity oil port (51) of the second linear telescopic equipment (5) are connected in series and connected with a second main oil way (7).
4. The double-cylinder steering mechanism for the articulated road sweeping device of claim 3, wherein: a cylinder barrel of the first linear telescopic equipment (4) is hinged with a first rear frame shaft (21) which is connected to the rear frame (2) and is vertically arranged, and a piston rod of the first linear telescopic equipment (4) is hinged with a first front frame shaft (11) which is connected to the front frame (1) and is vertically arranged;
the cylinder barrel of the second linear telescopic equipment (5) is hinged to a second rear frame shaft (22) which is connected to the rear frame (2) and vertically arranged, and the piston rod of the second linear telescopic equipment (5) is hinged to a second front frame shaft (12) which is connected to the front frame (1) and vertically arranged.
5. The double-cylinder steering mechanism for the articulated road sweeping device of claim 1, which is characterized in that: the middle part of the tail part of the front frame (1) is provided with a support arm (13) extending backwards, and the support arm (13) is hinged with the middle part of the head part of the rear frame (2) through a vertically arranged rotating shaft.
6. The double-cylinder steering mechanism for the articulated road sweeping device of claim 5, wherein: the device also comprises a connecting arm (3), wherein the connecting arm (3) is positioned above the supporting arm (13); the middle part of the tail part of the front frame (1) is hinged with one end of the connecting arm (3) through a vertically arranged rotating shaft, and the middle part of the head part of the rear frame (2) is hinged with the other end of the connecting arm (3) through a vertically arranged rotating shaft.
7. The double-cylinder steering mechanism for the articulated road sweeping device of claim 1, wherein: the first linear telescopic device (4) and the second linear telescopic device (5) are arranged below the front frame (1) and the rear frame (2).
8. The double-cylinder steering mechanism for the articulated road sweeping device of claim 1, wherein: the front end of the first linear telescopic device (4) inclines towards the right compared with the rear end thereof, and the front end of the second linear telescopic device (5) inclines towards the left compared with the rear end thereof.
9. A sweeping device, characterized in that: comprising a dual cylinder steering mechanism according to any one of claims 1-8.
10. A sweeping apparatus according to claim 9, wherein: the left side and the right side of a front frame (1) and a rear frame (2) of the double-oil-cylinder steering mechanism are respectively provided with a wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222040295.8U CN217753880U (en) | 2022-08-03 | 2022-08-03 | Articulated formula sweeping equipment is with two hydro-cylinder steering mechanism and sweeping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222040295.8U CN217753880U (en) | 2022-08-03 | 2022-08-03 | Articulated formula sweeping equipment is with two hydro-cylinder steering mechanism and sweeping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217753880U true CN217753880U (en) | 2022-11-08 |
Family
ID=83880260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222040295.8U Active CN217753880U (en) | 2022-08-03 | 2022-08-03 | Articulated formula sweeping equipment is with two hydro-cylinder steering mechanism and sweeping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217753880U (en) |
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2022
- 2022-08-03 CN CN202222040295.8U patent/CN217753880U/en active Active
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