CN115323878A - Multi-degree-of-freedom transverse stabilizer bar structure for milling hub and mounting position determining method - Google Patents
Multi-degree-of-freedom transverse stabilizer bar structure for milling hub and mounting position determining method Download PDFInfo
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- CN115323878A CN115323878A CN202211124224.4A CN202211124224A CN115323878A CN 115323878 A CN115323878 A CN 115323878A CN 202211124224 A CN202211124224 A CN 202211124224A CN 115323878 A CN115323878 A CN 115323878A
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- stabilizer bar
- ball head
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- bolt
- milling
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- 238000003801 milling Methods 0.000 title claims abstract description 63
- 239000003381 stabilizer Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 20
- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000010426 asphalt Substances 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a multi-degree-of-freedom transverse stabilizer bar structure for a milling hub, which comprises a frame, a hydraulic cylinder, an adjusting rod, a fixed length rod, the milling hub and a stabilizer bar, wherein a first combination unit is arranged on the frame; the stabilizer bar is obliquely arranged and has a degree of freedom of rotation around the axis of the stabilizer bar, and two ends of the stabilizer bar are respectively connected with the first combination unit and the second combination unit; when the milling hub bottom surface is away from the asphalt pavement to be repaired by the maximum distance, determining the ball head center position of the right-handed ball head bolt, then determining the approximate ball head center position of the left-handed ball head bolt, and finally determining the specific ball head center position of the left-handed ball head bolt; by arranging the stabilizer bar, the first combination unit and the second combination unit, the lifting problem of the milling hub with the stabilizer bar structure is solved, so that the milling hub is more stable in working, and the quality of a milled road surface is improved; the structure is simple, the manufacture is easy, the installation is convenient, and the special maintenance is not needed.
Description
Technical Field
The invention relates to the technical field of highway maintenance equipment, in particular to a multi-degree-of-freedom transverse stabilizer bar structure for a milling hub and a mounting position determining method.
Background
The in-situ heat regeneration unit is used as main functional equipment for maintaining the asphalt pavement, the quality of milling and shaping the pavement directly influences the construction quality of the maintained pavement, the milling machine is used as one of main component equipment of the in-situ heat regeneration unit, one of important indexes for judging the quality of the milled pavement is the uniformity of milling depth and the smoothness of milling seam positions, and when the pavement to be repaired is seriously damaged or the pavement is uneven, a milling hub can swing along with the swinging and inclination of a vehicle body, so that the milled pavement is uneven in depth and uneven in seam, and the subsequent construction quality is seriously influenced.
In order to solve the problems, the multi-degree-of-freedom stabilizer bar structure for the milling hub and the installation position determining method are provided, and the stability of the quality of a milled road surface of the milling machine in the construction process is guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the multi-degree-of-freedom transverse stabilizer bar structure for the milling hub and the installation position determining method are developed, the lifting problem of the milling hub with the stabilizer bar structure is solved, the milling hub is more stable in working, and the quality of a milled road surface is improved.
The technical scheme for solving the technical problem of the invention is as follows:
in a first aspect, the invention provides a multi-degree-of-freedom transverse stabilizer bar structure for a milling hub, which comprises a frame, a hydraulic cylinder, an adjusting rod, a fixed length rod, the milling hub and a stabilizer bar, wherein the frame is provided with a first combination unit, and the milling hub is provided with a second combination unit; the stabilizer bar is obliquely arranged and has a degree of freedom of rotation around the axis of the stabilizer bar, and two ends of the stabilizer bar are respectively connected with the first combining unit and the second combining unit.
As optimization, first combination unit includes left fixing base, levogyration bulb bolt and levogyration lock nut, second combination unit includes right fixing base, dextrorotation bulb bolt and dextrorotation lock nut, left side fixing base and right fixing base are installed respectively in frame left side lower part and are milled plane hub right side upper portion, both ends about the stabilizer bar are connected respectively to the screw rod of levogyration bulb bolt and dextrorotation bulb bolt, the bulb of levogyration bulb bolt and dextrorotation bulb bolt respectively with the internal surface clearance fit of left side fixing base and right fixing base.
Preferably, the surface of the stabilizer bar is provided with a wrench clamping groove, and the axial centers of two ends of the stabilizer bar are respectively provided with a left-hand thread and a right-hand thread which are matched with the screws of the left-hand ball bolt and the right-hand ball bolt.
Preferably, the inner surfaces of the left fixed seat and the right fixed seat are formed by smoothly transiting and connecting a cylindrical surface, a spherical surface, a transition surface and a conical surface in sequence.
For optimization, two groups of adjusting rods and fixed-length rods are arranged, hinge holes are respectively formed in the bottom of the frame and the milling hub, and the two ends of each adjusting rod and the two ends of each fixed-length rod are respectively hinged to the bottom of the frame and the milling hub; the adjusting rod is equal to the fixed-length rod in distance, and the distance between the hinge hole on the frame and the hinge hole on the milling hub is equal.
In a second aspect, the invention provides a method for determining an installation position of a multi-degree-of-freedom stabilizer bar for a milling hub, which comprises the following steps:
determining the movement track of the ball head center of the right-handed ball head bolt: selecting a point at a proper position on the upper part of the right side of the milling hub to coincide with a center C, wherein one end of a hydraulic cylinder is hinged on the frame, the other end of the hydraulic cylinder is hinged on the milling hub, and when the hydraulic cylinder extends from the minimum installation distance to the maximum installation distance, the center of a right-handed ball head bolt is set as C', and in the process, the track of the center C forms an arc
The maximum distance between the bottom surface of the milling hub and the asphalt pavement to be repaired is H;
determining the approximate position of the ball head center of the levorotatory ball head bolt: searching the general position of a ball head center B of the left-handed ball head bolt from the lower left side of the frame by taking the points C and C 'as starting points, and enabling the distance BC = BC';
determining the specific position of the ball head center of the levorotatory ball head bolt: adjusting the position of the ball center B of the ball head of the levorotatory ball head bolt to ensure that the difference of the connecting line distance between any point and the ball center B meets the requirement that BC-BC is more than 0 m Less than or equal to 6, in this case
The coordinates of the center B of the sphere which satisfy the above formula are the accurate hinging position of the ball head of the left-handed ball head bolt.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and the technical scheme has the following advantages or beneficial effects:
by arranging the stabilizer bar, the first combination unit and the second combination unit, the lifting problem of the milling hub with the stabilizer bar structure is solved, and the milling hub cannot interfere at any position, so that the construction process is influenced, the milling hub is more stable in working, and the quality of a milled road surface is improved; the method for determining the installation position is simple to operate, convenient to install and free of special maintenance.
Drawings
Fig. 1 is a schematic view of the installation of the present invention.
Fig. 2 is a schematic connection diagram of a stabilizer bar structure according to the present invention.
Fig. 3 is a schematic view of the milling hub according to the present invention in an operating state.
Fig. 4 is a schematic view of the milling hub of the present invention in a raised condition.
FIG. 5 is a schematic structural view of the left and right holders of the present invention.
FIG. 6 is a diagram of a mathematical model of the present invention.
In the figure, 1, a right fixed seat, 2, a frame, 3, a hydraulic cylinder, 4, an adjusting rod, 5, a fixed length rod, 6, a milling hub, 7, a cylindrical surface, 8, a spherical surface, 9, a transition surface, 10, a conical surface, 11, a left fixed seat, 12, a left-handed ball head bolt, 13, a left-handed locknut, 14, a stabilizer bar, 15, a right-handed locknut, 16, a right-handed ball head bolt and 17, a wrench clamps a groove.
Detailed Description
In order to clearly explain the technical features of the present invention, the present invention is explained in detail by the following embodiments and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" 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 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, a multi-degree-of-freedom stabilizer bar structure for a milling hub includes a frame 2, a hydraulic cylinder 3, an adjusting rod 4, a fixed-length rod 5, a milling hub 6, and a stabilizer bar 14, wherein the frame 2 is provided with a first combining unit, and the milling hub 6 is provided with a second combining unit; the stabilizer bar 14 is obliquely arranged and has a degree of freedom of rotation around the axis of the stabilizer bar 14, and two ends of the stabilizer bar 14 are respectively connected with the first combination unit and the second combination unit; by arranging the stabilizer bar 14, the first combination unit and the second combination unit, the lifting problem of the milling hub 6 with the stabilizer bar 14 structure is solved, so that the milling hub 6 is more stable in working, and the quality of a milled road surface is improved; the structure is simple, the manufacture is easy, the installation is convenient, and the special maintenance is not needed.
The first combination unit comprises a left fixing seat 11, a left-handed ball stud 12 and a left-handed locknut 13, the second combination unit comprises a right fixing seat 1, a right-handed ball stud 16 and a right-handed locknut 15, the left fixing seat 11 and the right fixing seat 1 are respectively installed at the lower left part of the frame 2 and the upper right part of the milling hub 6, screws of the left-handed ball stud 12 and the right-handed ball stud 16 are respectively connected to the left end and the right end of the stabilizer bar 14, balls of the left-handed ball stud 12 and the right-handed ball stud 16 are respectively in clearance fit with the inner surfaces of the left fixing seat 11 and the right fixing seat 1, so that the left-handed ball stud 12 can slide leftwards along the central axis of the left fixing seat 11 with the center of the ball B as a starting point, the right-handed ball stud 16 can slide rightwards along the central axis of the right fixing seat 1 with the center of the ball C as a starting point, positions of two ends of the stabilizer bar 14 can be automatically finely adjusted to compensate for the change of the center distance L caused by lifting of the milling hub 6, and the structures and the connection modes of the first combination unit and the second combination unit include but are not limited to the structures and the connection modes, and the protection effects of other structures within the protection range of the invention.
The surface of the stabilizer bar 14 is provided with a wrench clamping groove 17, and the axial centers of two ends of the stabilizer bar 14 are respectively provided with a left-hand thread and a right-hand thread which are matched with the screws of the left-hand ball bolt 12 and the right-hand ball bolt 16.
The inner surfaces of the left fixed seat 11 and the right fixed seat 1 are formed by smoothly transiting and connecting a cylindrical surface 7, a spherical surface 8, a transition surface 9 and a conical surface 10 in sequence; the spherical surface 8 is used for limiting the movement of the heads of the left-handed ball bolt 12 and the right-handed ball bolt 16 to the screw direction, and the conical surface 10 is used for avoiding the positions of the necks of the left-handed ball bolt 12 and the right-handed ball bolt 16 and increasing the swing angle; the ball head can rotate at will within a certain angle, so that interference can not be generated at any position in the lifting process of the milling hub 6.
The adjusting rod 4 and the fixed-length rod 5 are provided with two groups, the bottom of the frame 2 and the milling hub 6 are respectively provided with a hinge hole, and the two ends of the adjusting rod 4 and the fixed-length rod 5 are respectively hinged with the bottom of the frame 2 and the milling hub 6; the distance between the adjusting rod 4 and the fixed-length rod 5 is equal, the distance between the hinge holes on the frame 2 is equal to the distance between the hinge holes on the milling hub 6, a parallel four-bar linkage mechanism is formed, and the motion tracks of all points on the milling hub 6 are identical in the lifting process.
A method for determining the installation position of a multi-degree-of-freedom transverse stabilizer bar for a milling hub comprises the following steps:
determining the movement track of the ball head center of the right-handed ball head bolt 16: selecting a point at a proper position on the upper part of the right side of the milling hub 6 to coincide with a sphere center C, wherein one end of the hydraulic cylinder 3 is hinged on the frame 2, the other end is hinged on the milling hub 6, when the hydraulic cylinder 3 extends from the minimum installation distance to the maximum installation distance, the sphere center of the right-handed ball head bolt 16 is set as C', and in the process, the track of the sphere center C forms an arc
The maximum distance between the bottom surface of the milling hub 6 and the asphalt pavement to be repaired is H;
determining the approximate position of the ball head center of the left-handed ball head bolt 12: searching the general position of the ball head center B of the left-handed ball head bolt 12 from the lower left side of the frame by taking the points C and C 'as starting points, and enabling the distance BC = BC';
determining the specific position of the ball head center of the levorotatory ball head bolt 12: as shown in fig. 6, the position of the ball center B of the levorotary ball stud 12 is adjusted so as to
The center of the circle of the point C (OX) is taken as an origin O, a coordinate system is established by taking the direction pointing to the tail of the vehicle as an x axis, the direction pointing to the left side of the vehicle body as a y axis and the direction pointing to the ground as a z axis 2 ，OY 2 ，0)、C’(OX 1 ,OY 1 0), B (OX, OY, OZ) are as defined above for each point, and point C m (OX m ,OY m 0) is
A point of (1) to
The difference of the connecting line distance between any point and the center B satisfies 0 < BC-BC m Less than or equal to 6, in some cases,
the coordinates of the center B of the sphere which meet the above formula are the accurate ball joint hinging positions of the left-handed ball head bolt 12; in the present invention, C', C m The coordinates of (a) are preferably: c (992.61, 234.81, 0), C' (756.69, 683.98, 0), C m (903.02, 474.29, 0), and at the same time, OC = OC ', BC = BC' =1020; limited by the spatial structure of the present invention, OZ =1780 is preferred, as can be seen from the above equation: when OX =210 and oy =109.83, the requirement is satisfied, so B (210, 109.83, 1020) is preferable as the position of the ball center B of the left-handed ball stud 12 in the present embodiment, and in this case, B (210, 109.83, 1020) is preferable
The distance of the connecting line between any point and the center B meets the requirement of the formula; the method for determining the installation position of the multi-degree-of-freedom transverse stabilizer bar is simple to operate and easy to implement.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.
Claims (6)
1. The utility model provides a mill plane multi freedom stabilizer bar structure for hub, includes frame (2), pneumatic cylinder (3), adjusts pole (4), fixed-length bar (5) and mills plane hub (6), characterized by: the milling machine further comprises a stabilizer bar (14), a first combination unit is arranged on the frame (2), and a second combination unit is arranged on the milling hub (6); the stabilizer bar (14) is obliquely arranged and has a degree of freedom of rotation around the axis of the stabilizer bar, and two ends of the stabilizer bar (14) are respectively connected with the first combination unit and the second combination unit.
2. The multi-degree-of-freedom stabilizer bar structure for the milling hub as claimed in claim 1, wherein: first combination unit includes left fixing base (11), levogyration bulb bolt (12) and levogyration lock nut (13), second combination unit includes right fixing base (1), dextrorotation bulb bolt (16) and dextrorotation lock nut (15), install respectively in frame (2) left side lower part and mill and dig hub (6) right side upper portion left side fixing base (11) and right fixing base (1), both ends about stabilizer bar (14) are connected respectively to the screw rod of levogyration bulb bolt (12) and dextrorotation bulb bolt (16), levogyration bulb bolt (12) and the bulb of dextrorotation bulb bolt (16) respectively with the internal surface clearance fit of left side fixing base (11) and right fixing base (1).
3. The multi-degree-of-freedom stabilizer bar structure for the milling hub as claimed in claim 2, wherein: the surface of the stabilizer bar (14) is provided with a wrench clamping groove (17), and the axial centers of two ends of the stabilizer bar (14) are respectively provided with a left-hand thread and a right-hand thread which are matched with the screws of the left-hand ball bolt (12) and the right-hand ball bolt (16).
4. The multi-degree-of-freedom stabilizer bar structure for the milling hub as claimed in claim 1 or 2, wherein: the inner surfaces of the left fixed seat (11) and the right fixed seat (1) are formed by smoothly transiting and connecting a cylindrical surface (7), a spherical surface (8), a transition surface (9) and a conical surface (10) in sequence.
5. The multi-degree-of-freedom stabilizer bar structure for the milling hub as claimed in claim 1 or 2, wherein: two groups of adjusting rods (4) and two groups of fixed-length rods (5) are arranged, hinge holes are respectively formed in the bottom of the frame (2) and the milling hub (6), and two ends of each adjusting rod (4) and two ends of each fixed-length rod (5) are respectively hinged to the bottom of the frame (2) and the milling hub (6); the distance between the adjusting rod (4) and the fixed-length rod (5) is equal, and the distance between the hinge holes on the frame (2) is equal to the distance between the hinge holes on the milling hub (6).
6. A method for determining the installation position of a multi-degree-of-freedom transverse stabilizer bar for a milling hub is characterized by comprising the following steps: the method comprises the following steps:
determining the ball head center motion track of a right-handed ball head bolt (16): a point is selected at a proper position on the upper part of the right side of the milling hub (6) to coincide with the center C of the sphere,one end of the hydraulic cylinder (3) is hinged on the frame (2), the other end of the hydraulic cylinder is hinged on the milling hub (6), when the hydraulic cylinder (3) is extended from the minimum installation distance to the maximum installation distance, the center of the sphere of the right-handed ball head bolt (16) is set as C', in the process, the track of the center of the sphere C forms an arc
The maximum distance between the bottom surface of the milling hub (6) and the asphalt pavement to be repaired is H;
determining the approximate position of the ball head center of the left-handed ball head bolt (12): searching the general position of a ball head center B of the left-handed ball head bolt (12) towards the lower part of the left side of the frame by taking the points C and C 'as starting points, and enabling the distance BC = BC';
determining the specific position of a ball head center of a left-handed ball head bolt (12): the position of the ball head center B of the left-handed ball head bolt (12) is adjusted to ensure that
The difference of the connecting line distance between any point and the center B satisfies 0 < BC-BC m Less than or equal to 6, in this case
The coordinate B of the sphere center meeting the formula is the accurate position of the ball head hinge of the levorotatory ball head bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211124224.4A CN115323878A (en) | 2022-09-15 | 2022-09-15 | Multi-degree-of-freedom transverse stabilizer bar structure for milling hub and mounting position determining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211124224.4A CN115323878A (en) | 2022-09-15 | 2022-09-15 | Multi-degree-of-freedom transverse stabilizer bar structure for milling hub and mounting position determining method |
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| CN115323878A true CN115323878A (en) | 2022-11-11 |
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| CN214831669U (en) * | 2021-04-26 | 2021-11-23 | 山东省路桥集团有限公司 | Flexible auger mechanism of concurrent heating machine |
| CN114182609A (en) * | 2022-01-11 | 2022-03-15 | 徐建 | Milling device for bilateral bidirectional sliding formwork |
-
2022
- 2022-09-15 CN CN202211124224.4A patent/CN115323878A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206141565U (en) * | 2016-11-02 | 2017-05-03 | 株洲时代新材料科技股份有限公司 | Be used for vertical connecting rod adjustable anti -rolling torsion bar device of linear electric motor vehicle |
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| CN108263163A (en) * | 2018-01-16 | 2018-07-10 | 南京理工大学 | A kind of the stabilizer bar assembly and its adjusting method of FSAE racing cars roll stiffness fast tunable |
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Application publication date: 20221111 |