CN113863106B - Milling device and milling machine - Google Patents
Milling device and milling machine Download PDFInfo
- Publication number
- CN113863106B CN113863106B CN202111313829.3A CN202111313829A CN113863106B CN 113863106 B CN113863106 B CN 113863106B CN 202111313829 A CN202111313829 A CN 202111313829A CN 113863106 B CN113863106 B CN 113863106B
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- China
- Prior art keywords
- milling
- plate
- guide plate
- housing
- upper cover
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The present disclosure relates to a milling device and a milling machine. Wherein, milling plane device includes: a milling housing provided with a discharge port; the milling rotor is rotatably arranged in the milling housing; the guide plates are vertically arranged on an upper cover plate of the milling housing on the side of the discharge port and are positioned in the milling housing; wherein, the horizontal distance from the top end of the guide plate to the discharge port is less than the horizontal distance from the bottom end of the guide plate to the discharge port. Through set up the guide plate on milling the upper cover plate of the shell internal discharge gate side, the horizontal distance of guide plate top to discharge gate is less than the horizontal distance of guide plate bottom to discharge gate, when changing granule direction of motion, compromises the granule speed of moving forward, makes the granule in time get into next circulation of gathering materials, improves the ejection of compact effect and the operating efficiency who mills the device.
Description
Technical Field
The present disclosure relates to a milling device and a milling machine.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The total mileage of roads in China breaks through 500 kilometers, about 13% of roads are subjected to major and medium maintenance construction every year according to the design age limit of the asphalt pavement, and the repair of the asphalt pavement is mainly completed by a milling device of a pavement milling machine. The milling device generally comprises a series of cutters arranged on a drum according to a specific rule, the drum rotates to crush the asphalt pavement and throws out the crushed asphalt through a discharge port, and because the discharge port is arranged in the middle of the drum, the asphalt at two ends of the drum is far away from the discharge port and is not easy to throw out to form accumulation, which causes severe abrasion of the milling cutters.
At present technical scheme will mill the plane cutter and arrange on the cylinder according to the helix mostly, will mill the plane drum both ends material transportation to intermediate position through milling the rotation of plane drum, and then accomplish and throw the material, but the actual construction effect is not ideal, mill the plane drum both ends and still appear the windrow phenomenon easily, development along with the maximization of milling machine, mill plane drum both ends to the discharge gate distance and more big, it is more difficult to throw out to mill the plane drum tip to mill the plane material, increase and mill the resistance, cause serious wear to the cutter, increase construction cost.
Disclosure of Invention
One technical problem to be solved by the present disclosure is: the utility model provides a milling device and milling machine can improve ejection of compact effect and operating efficiency.
Some embodiments of the present disclosure provide a milling device, comprising: a milling housing provided with a discharge port; the milling rotor is rotatably arranged in the milling housing; the guide plates are vertically arranged on an upper cover plate of the milling encloser on the side of the discharge port and are positioned in the milling encloser; wherein, the horizontal distance from the top end of the guide plate to the discharge port is smaller than the horizontal distance from the bottom end of the guide plate to the discharge port.
In some embodiments, a plurality of baffles are respectively arranged on two sides of the discharge hole.
In some embodiments, the milling housing comprises a left side plate and a right side plate arranged at both axial ends of the milling rotor, and the side inclination angle α of the deflector relative to the left side plate and the right side plate is configured to be 10 ° to 20 °.
In some embodiments, the plurality of baffles are symmetrically disposed on two sides of the discharge port, and a distance T between two adjacent baffles on the same side of the discharge port is configured to be T > L tan (1.5 a), where L is a length of the baffle.
In some embodiments, the baffle is disposed obliquely with respect to the upper cover plate toward the discharge opening.
In some embodiments, the inward angle β of the baffle relative to the upper cover plate is configured to be between 65 ° and 80 °.
In some embodiments, the inward angle β of the baffle relative to the upper cover plate is configured to be 75 °.
In some embodiments, the baffles are configured as straight plates or spiral vane plates.
Some embodiments of the present disclosure provide a milling machine including the foregoing milling apparatus.
Therefore, this disclosure mills plane device sets up the guide plate on milling the upper cover plate of the interior discharge gate side of housing through milling, and the horizontal distance of guide plate top to discharge gate is less than the horizontal distance of guide plate bottom to discharge gate, when changing granule direction of motion, takes into account granule forward movement speed, makes the granule in time get into next circulation of gathering materials, improves the ejection of compact effect and the operating efficiency who mills plane device.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a side view schematic illustration of some embodiments of milling devices of the present disclosure;
fig. 2 is an exploded view of some embodiments of milling devices of the present disclosure;
fig. 3 is a schematic top view of some embodiments of the milling apparatus of the present disclosure;
fig. 4 is a schematic view of a deflector acting on particle movement from a top view of some embodiments of milling apparatus of the present disclosure;
fig. 5 is a schematic illustration of the effect of deflector plates on particle movement at a front view angle for some embodiments of milling apparatus of the present disclosure;
fig. 6 is a schematic top view of some embodiments of the milling apparatus of the present disclosure;
fig. 7 and 8 are front and top views, respectively, of a deflector plate that is a straight plate in some embodiments of milling devices of the present disclosure;
fig. 9 and 10 are front and top views, respectively, of some embodiments of milling devices of the present disclosure in which the deflector is a spiral vane plate.
Description of the reference numerals
1. Milling and planing a housing; 2. a baffle; 3. milling and planing the rotor; 4. milling and milling particles; 11. an upper cover plate; 12. a left side plate; 13. a right side plate; 14. a discharge port; 21. a left baffle; 22. and a right guide plate.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word comprises the element listed after the word, and does not exclude the possibility that other elements may also be included. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be intervening devices between the specific device and the first device or the second device. When a particular device is described as being coupled to another device, that particular device may be directly coupled to the other device without intervening devices or may be directly coupled to the other device with intervening devices.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
As shown in fig. 1-3, some embodiments of the present disclosure provide a milling device, comprising: milling housing 1, milling rotor 3 and one or more flow deflectors 2, wherein milling housing 1 is provided with a discharge opening 14; the milling rotor 3 is rotatably arranged in the milling housing 1; the guide plate 2 is vertically arranged on an upper cover plate 11 of the milling housing 1 at the side of the discharge port 14 and is positioned in the milling housing 1; the horizontal distance from the top end of the guide plate 2 to the discharge hole 14 is less than the horizontal distance from the bottom end of the guide plate 2 to the discharge hole 14. Guide plate 2 is fixed to the upper cover plate of milling housing 1 through the welding, mills that rotor 3 passes through the ring flange and the bearing is connected with milling housing 1, and during construction operation, mills that rotor 3 is milling housing 1 internal rotation, mills the breakage to old road surface.
In this illustrative embodiment, through set up the guide plate on milling the upper cover plate of the shell internal discharge gate side, the horizontal distance of guide plate top to discharge gate is less than the horizontal distance of guide plate bottom to discharge gate, and the guide plate is certain inclination relatively milling the shell curb plate, when changing the granule direction of motion, compromises granule forward movement speed, makes the granule in time get into next circulation of gathering materials, improves the ejection of compact effect and the operating efficiency who mills the device.
It should be noted that the top and bottom ends of the deflector 2 are referred to in this context in relation to the normal operation of the milling device, i.e. the upper end is the top end and the lower end is the bottom end.
To ensure the continuity of the aggregate, as shown in fig. 1 to 6, in some embodiments, a plurality of baffles 2 are respectively disposed at both sides of the discharge port 14. As shown in fig. 3, the baffle 2 comprises two left baffles 21 and two right baffles 22.
As shown in fig. 3 and 4, in some embodiments, the milling housing 1 comprises a left side plate 12 and a right side plate 13 arranged at both axial ends of the milling rotor 3, the left deflector 21 and the left side plate 12 of the milling housing 1 are at a side inclination angle α, the right deflector 22 and the right side plate 13 of the milling housing 1 are at a side inclination angle α, as shown in fig. 3 and 4, the milling particles 4 acquire a movement velocity V by rotation of the milling rotor 3, the movement velocity of the milling particles 4 can be decomposed into Vx and Vy by the action of the deflector 2, the velocity component Vx makes the milling particles 4 move in the direction of the discharge opening 14, the velocity component Vy makes the milling particles 4 move in the direction of the rear side of the housing, the side inclination angle α is too small Vx < < Vy, the milling particles 4 move in a short distance to the discharge opening 14 and cannot function in the direction of the middle, the side inclination angle α is too large would Vx > > Vy slows down the movement velocity of the milling particles 4 against the rear side of the housing, and the particles are thrown out; the side inclination angle alpha is set to be 10-20 degrees, the particle moving direction is changed, the particle moving speed is considered, the particles move forwards as soon as possible, the effect of quickly gathering the particles to the discharge hole 14 is achieved, and the particle accumulation at the end part of the milling rotor is reduced.
Here, the side inclination angle α refers to an angle between the longitudinal direction of the air deflector 2 and the left side plate 12, and as shown in fig. 3, is also an angle between the longitudinal direction of the air deflector 2 and the right side plate 13.
As shown in fig. 3 and 6, in some embodiments, a plurality of baffles 2 are symmetrically disposed on both sides of the discharge opening 14, and a distance T between two adjacent baffles 2 on the same side of the discharge opening 14 is configured to be T > L tan (1.5 a), where L is a length of the baffle 2. Left guide plate 21 and right guide plate 22 are along milling planer housing central line symmetrical arrangement, make the granule direction of motion be unlikely to strike on the guide plate 2 of neighbouring after being changed by guide plate 2 like this, avoid a plurality of guide plates 2 to influence granule water conservancy diversion effect, according to the length of milling planer rotor 3, mill planer housing central line unilateral and can set up several guide plate 2, the continuous effect of gathering materials of a plurality of guide plates of performance, the quick granule of milling planer in a distance is transported near the discharge gate, reach long distance and gather materials and throw the material effect.
In some embodiments, the baffle 2 is disposed obliquely with respect to the upper cover plate 11 toward the discharge opening 14. The guide plate 2 and the upper cover plate 11 form a certain inner inclination angle, so that particles have the tendency of deviating towards the upper cover plate 11 to resist the action of gravity, the particles are prevented from entering a rotation area of the milling rotor too early, the particles are rapidly gathered towards the middle of the milling housing, the accumulation of the particles at the end part of the milling rotor is reduced, and the abrasion of a cutter is reduced.
As shown in fig. 5, in some embodiments, the angle of inclination β of the baffle 2 relative to the upper cover plate 11 is configured to be 65 ° to 80 °. The inclination angle beta enables the milled particles 4 to obtain an upward speed Vm after being acted by the guide plate 2, so that the milled particles 4 have a movement trend obviously deviating to the upper cover plate 11 to resist the action of natural gravity, the milled particles move towards the discharge hole 14 by being close to the upper cover plate 11, the problem that the movement trend of the particles towards the discharge hole 14 is interrupted due to the fact that the milled particles enter the rotating area of the milling rotor 3 too early is avoided, and the aggregate effect in the milling operation process is improved. In some embodiments, the inclination angle β of the baffle 2 with respect to the upper cover plate 11 is configured to be 75 °, at which value the aggregate effect is significant.
Note that, the inward inclination angle β herein refers to an angle between the width direction of the baffle 2 and the upper cover plate 11, and as shown in fig. 5, the upper cover plate 11 refers to a cover plate disposed above the discharge port 14.
As shown in fig. 7 and 8, in some embodiments, the baffle 2 is configured as a straight plate, which is simple in shape and low in manufacturing cost. As shown in fig. 9 and 10, the baffle 2 is configured as a spiral blade plate, which has good streamline shape and smooth particle flow.
Some embodiments of the present disclosure provide a milling machine including the aforementioned milling device. The milling machine has the beneficial technical effects correspondingly.
Thus far, various embodiments of the present disclosure have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (8)
1. A milling device, comprising:
a milling housing (1) provided with a discharge opening (14);
a milling rotor (3) rotatably arranged in the milling housing (1); and
one or more flow deflectors (2) which are vertically arranged on an upper cover plate (11) of the milling housing (1) on the side of the discharge opening (14) and are positioned in the milling housing (1);
the horizontal distance from the top end of the guide plate (2) to the discharge hole (14) is smaller than the horizontal distance from the bottom end of the guide plate (2) to the discharge hole (14), and the guide plate (2) is obliquely arranged towards the discharge hole (14) relative to the upper cover plate (11).
2. Milling device according to claim 1, characterized in that a plurality of deflectors (2) are arranged on each side of the outlet opening (14).
3. Milling device according to claim 2, characterized in that the milling housing (1) comprises a left-hand plate (12) and a right-hand plate (13) which are arranged at both axial ends of the milling rotor (3), the lateral inclination angle α of the deflector plate (2) relative to the left-hand plate (12) and the right-hand plate (13) being configured to be 10 ° to 20 °.
4. Milling device according to claim 3, characterized in that a plurality of deflectors (2) are arranged symmetrically on each side of the outlet (14), the distance T between two adjacent deflectors (2) on the same side of the outlet (14) being configured as T > L tan (1.5 a), where L is the length of the deflector (2).
5. Milling device according to claim 1, characterised in that the inclination angle β of the deflector (2) relative to the upper cover plate (11) is configured to be 65 ° to 80 °.
6. Milling device according to claim 5, characterized in that the inclination angle β of the deflector (2) relative to the upper cover plate (11) is configured to be 75 °.
7. Milling device according to claim 1, characterized in that the deflector (2) is configured as a straight plate or as a spiral blade plate.
8. Milling machine, characterized in that it comprises a milling device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313829.3A CN113863106B (en) | 2021-11-08 | 2021-11-08 | Milling device and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313829.3A CN113863106B (en) | 2021-11-08 | 2021-11-08 | Milling device and milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN113863106A CN113863106A (en) | 2021-12-31 |
| CN113863106B true CN113863106B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111313829.3A Active CN113863106B (en) | 2021-11-08 | 2021-11-08 | Milling device and milling machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114814182A (en) * | 2022-05-18 | 2022-07-29 | 江苏徐工工程机械研究院有限公司 | Milling test device and milling test method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB205545A (en) * | 1922-07-13 | 1923-10-15 | Pieter Gerard Tideman | Improvements in or relating to excavating or cultivating apparatus |
| US6626499B1 (en) * | 1999-01-29 | 2003-09-30 | Jurgen Schenk | Device for breaking up the outer layers of the ground |
| CN101392496A (en) * | 2007-09-14 | 2009-03-25 | 维特根有限公司 | Road milling machine or machine for exploiting deposits |
| EP2105535A2 (en) * | 2008-03-26 | 2009-09-30 | Kässbohrer Geländefahrzeug AG | Milling device for processing a snow piste surface |
| CN102628250A (en) * | 2011-01-21 | 2012-08-08 | 宝马格有限公司 | Rotor box for a floor milling machine with guide device for milled material and floor milling machine with such a rotor box |
| CN107059584A (en) * | 2017-06-29 | 2017-08-18 | 江苏威拓公路养护设备有限公司 | A kind of bituminous paving milling material-gathering device |
| CN111794063A (en) * | 2019-04-03 | 2020-10-20 | 维特根有限公司 | Ground operation machine |
| CN112239988A (en) * | 2019-07-16 | 2021-01-19 | 卡特彼勒路面机械公司 | Milling assembly material flow control system |
-
2021
- 2021-11-08 CN CN202111313829.3A patent/CN113863106B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB205545A (en) * | 1922-07-13 | 1923-10-15 | Pieter Gerard Tideman | Improvements in or relating to excavating or cultivating apparatus |
| US6626499B1 (en) * | 1999-01-29 | 2003-09-30 | Jurgen Schenk | Device for breaking up the outer layers of the ground |
| CN101392496A (en) * | 2007-09-14 | 2009-03-25 | 维特根有限公司 | Road milling machine or machine for exploiting deposits |
| EP2105535A2 (en) * | 2008-03-26 | 2009-09-30 | Kässbohrer Geländefahrzeug AG | Milling device for processing a snow piste surface |
| CN102628250A (en) * | 2011-01-21 | 2012-08-08 | 宝马格有限公司 | Rotor box for a floor milling machine with guide device for milled material and floor milling machine with such a rotor box |
| CN107059584A (en) * | 2017-06-29 | 2017-08-18 | 江苏威拓公路养护设备有限公司 | A kind of bituminous paving milling material-gathering device |
| CN111794063A (en) * | 2019-04-03 | 2020-10-20 | 维特根有限公司 | Ground operation machine |
| CN112239988A (en) * | 2019-07-16 | 2021-01-19 | 卡特彼勒路面机械公司 | Milling assembly material flow control system |
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| CN113863106A (en) | 2021-12-31 |
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