CN110158691B - Gear milling and double-wheel milling device - Google Patents
Gear milling and double-wheel milling device Download PDFInfo
- Publication number
- CN110158691B CN110158691B CN201910409894.2A CN201910409894A CN110158691B CN 110158691 B CN110158691 B CN 110158691B CN 201910409894 A CN201910409894 A CN 201910409894A CN 110158691 B CN110158691 B CN 110158691B
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- China
- Prior art keywords
- milling
- tooth
- matrix
- cutter
- teeth
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003801 milling Methods 0.000 title claims abstract description 147
- 239000011159 matrix material Substances 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 230000036346 tooth eruption Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/241—Digging wheels; Digging elements of wheels; Drives for wheels digging wheels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Crushing And Grinding (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a milling tooth and a double-wheel milling device, which belong to the technical field of engineering machinery and comprise a milling tooth matrix, wherein one end of the top of the milling tooth matrix is provided with a cutter type tooth, and the other end of the top of the milling tooth matrix is provided with a cone type tooth; the upper end surface of the cutter-shaped tooth and the tooth tip of the cone-shaped tooth are positioned on the same plane and are higher than the top of the milling tooth matrix; the thickness of the cutter-type teeth is larger than that of the milling tooth matrix, and two sides of the cutter-type teeth exceed the milling tooth matrix; the root diameter of the bevel gear is larger than the thickness of the gear milling matrix. The milling teeth and the double-wheel milling device provided by the invention have the advantages of strong stratum adaptability, abrasion resistance and long service life.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to a gear milling and double-wheel milling device.
Background
Along with the deepening of urban infrastructure construction, underground continuous wall construction is an indispensable process, and the current construction method mainly comprises a replacement method of filling concrete into a groove and an improved wall forming method of in-situ stirring and cement slurry injection. The most advanced devices used are hydraulic double-wheel slot milling machines and hydraulic double-wheel deep-milling and stirring drilling machines. The milling wheel is a core working device of double-wheel milling, different types of milling teeth are arranged on the core working device to form different types of milling wheels, and the milling wheel is respectively suitable for different types of strata. The most commonly used milling teeth for the present double-wheel milling construction mainly comprise two types, namely standard teeth of a cutter type alloy head and cutting teeth of a conical alloy head, and usually only a single alloy head is arranged on the milling teeth.
The standard teeth and the cutting teeth have the stratum range suitable for the standard teeth and the cutting teeth, but as the construction depth of the underground continuous wall is larger and larger, the stratum is often changeable, the milling efficiency of the standard teeth in the soft rock stratum is high, the phenomenon that the milling of rock stratum is still occurs, the cutting teeth have strong rock breaking capability, and the milling efficiency in the soft rock stratum is obviously lower than that of the standard teeth. When stratum changes are encountered in construction, the milling wheel is often required to be replaced, so that construction period is delayed, a large amount of labor is consumed, for large-depth milling groove construction, a milling cutter frame is frequently put forward to enable the construction progress to be slow, mud layering, unstable groove walls and collapse are caused, and great safety risks are brought.
The prior invention patent land working tool cutting tooth (application number 200610142469.4) provides a combined milling tooth, a main cutting element is arranged at the top of a tooth root, two auxiliary cutting teeth are arranged behind the main cutting element for widening the working cross section, the main cutting element and the auxiliary cutting element are provided with different cutting outer edges, the auxiliary cutting element transversely protrudes beyond the width of the main cutting element, but the cutting tooth of the milling tooth is easy to wear in the milling process, and the service life is short.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a gear milling and double-wheel milling device which has strong stratum adaptability, abrasion resistance and long service life.
The invention provides the following technical scheme:
the milling teeth comprise a milling teeth matrix, wherein one end of the top of the milling teeth matrix is provided with cutter type teeth, and the other end of the top of the milling teeth matrix is provided with cone type teeth; the upper end surface of the cutter-shaped tooth and the tooth tip of the cone-shaped tooth are positioned on the same plane and are higher than the top of the milling tooth matrix; the thickness of the cutter-type teeth is larger than that of the milling tooth matrix, and two sides of the cutter-type teeth exceed the milling tooth matrix; the root diameter of the bevel gear is larger than the thickness of the gear milling matrix.
Preferably, the included angle between the outer side surface of the cutting edge of the cutter tooth and the vertical axis of the milling tooth matrix is 0-10 degrees.
Preferably, the included angle between the axis of the cone teeth and the horizontal axis of the milling tooth matrix is 110-120 degrees.
Preferably, the upper end face of the cutter-type tooth is 5-8mm higher than the top of the milling tooth matrix.
Preferably, both sides of the cutter tooth exceed the milling tooth matrix by 3-5mm.
Preferably, the root diameter of the cone teeth is 5-10mm greater than the thickness of the milling tooth matrix.
Preferably, the side surface and the bottom surface of the milling tooth matrix are both provided with milling tooth mounting grooves.
Preferably, the cross section of the milling tooth mounting groove is trapezoidal.
Preferably, the gear milling base body is provided with a disassembly and assembly process hole and a gear milling fixing hole, and the gear milling fixing hole is arranged on one side of the cutter type gear.
A double-wheel milling device comprises the milling teeth.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the milling tooth, the cutter type teeth and the conical type teeth are respectively arranged at the two ends of the top of the milling tooth matrix, when stratum changes are met, the rotation direction of the milling wheel is changed or the installation direction of the milling teeth is changed, the milling wheel does not need to be detached or replaced, the stratum adaptability is high, and the milling tooth is suitable for a slotting machine and a double-wheel milling deep stirring drilling machine.
(2) The upper end surface of the cutter-type tooth and the tooth tip of the cone-type tooth are positioned on the same plane, so that one end is not worn when milling is performed; the upper end face of the cutter type tooth is higher than the top of the milling tooth matrix, the thickness of the cutter type tooth is larger than that of the milling tooth matrix, two sides of the cutter type tooth exceed the milling tooth matrix, the root diameter of the conical tooth is larger than that of the milling tooth matrix, and the cutter type tooth is favorable for protecting the milling tooth matrix, so that the service life of the milling tooth is prolonged.
Drawings
Fig. 1 is a front view of a milled tooth provided by an embodiment of the present invention;
FIG. 2 is a top view of a milled tooth provided in an embodiment of the present invention;
FIG. 3 is a side view of a milled tooth provided in an embodiment of the present invention;
fig. 4 is a bottom view of a milled tooth according to an embodiment of the present invention.
Marked in the figure as: 1. milling a tooth matrix; 2. knife-shaped teeth; 3. conical teeth; 4. milling a tooth fixing hole; 5. disassembling and assembling the process hole; 6. milling tooth mounting grooves.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present invention refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
As shown in fig. 1, the milling tooth comprises a milling tooth matrix 1, wherein one end of the top of the milling tooth matrix 1 is provided with a cutter type tooth 2, the other end of the milling tooth matrix is provided with a cone type tooth 3, the stratum adaptability is strong, and the milling function can be well exerted on soft and hard stratum.
As shown in fig. 1, the included angle alpha between the outer side surface of the cutting edge of the cutter tooth 2 and the vertical axis of the milling tooth base body 1 is 0-10 degrees, so that the cutting angle of the cutter tooth 2 is 80-90 degrees. The included angle beta between the axis of the bevel gear 3 and the horizontal axis of the gear milling base body 1 is 110-120 degrees, so that the cutting angle of the bevel gear 3 is 60-70 degrees. In the cutting angle range, the rock and soil scraps milled by the milling teeth have high flowing speed, so that the milling teeth have high crushing efficiency, good milling effect and low milling specific energy consumption, the milling teeth can be protected, the abrasion is reduced, and the service life of the milling teeth is prolonged.
As shown in fig. 1-2, the upper end surface of the cutter-shaped tooth 2 and the tooth tip of the cone-shaped tooth 3 are positioned on the same plane, so that one end is not worn when milling is performed, and the other end is not worn. The upper end surface of the cutter-type tooth 2 is 5-8mm higher than the top of the milling tooth matrix 1. The thickness of the cutter-shaped teeth 2 is larger than that of the milling tooth matrix 1, and specifically, two sides of the cutter-shaped teeth 2 respectively exceed 13-5mm of the milling tooth matrix. The root diameter of the bevel gear 3 is 5-10mm larger than the thickness of the milling gear matrix 1. The milling teeth in the value range can form good protection for the milling teeth matrix 1, and is beneficial to prolonging the service life of the milling teeth.
As shown in fig. 1, 3 and 4, the side surface and the bottom surface of the milling tooth base body 1 are respectively provided with a milling tooth mounting groove 6, and the cross section of the milling tooth mounting groove 6 is trapezoidal. The milling tooth base body 1 is provided with a disassembly and assembly process hole 5 and a milling tooth fixing hole 4, and the milling tooth fixing hole 4 is arranged on one side of the cutter type tooth 2, so that the milling tooth and the tooth seat plate are convenient to install in a matched mode.
The invention also provides a double-wheel milling device which comprises the milling teeth. When the double-wheel milling device is a slot milling machine, the rotation direction of the milling wheel is changed or only the installation direction of milling teeth is required to be replaced when stratum changes are met, and the milling wheel is not required to be disassembled and replaced; when the double-wheel milling device is a double-wheel milling deep stirring drilling machine with two milling wheels capable of rotating bidirectionally, in the deep cement soil milling stirring construction process, if a milling cutter frame is lifted up when stratum changes are encountered, solidification and hardening of cement soil which is subjected to milling stirring can occur, if construction cannot be continued for a long time, a great safety risk can be brought, and by adopting the double-purpose milling tooth, the rotation direction of the milling wheel is changed, and the construction efficiency and stratum adaptability of the drilling machine are greatly improved. In addition, the milling teeth have good wear resistance, the service life is long, and the double-wheel milling device also has corresponding performance.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The milling tooth is characterized by comprising a milling tooth matrix, wherein one end of the top of the milling tooth matrix is provided with a cutter type tooth, and the other end of the top of the milling tooth matrix is provided with a cone type tooth; the upper end surface of the cutter-shaped tooth and the tooth tip of the cone-shaped tooth are positioned on the same plane and are higher than the top of the milling tooth matrix; the thickness of the cutter-type teeth is larger than that of the milling tooth matrix, and two sides of the cutter-type teeth exceed the milling tooth matrix; the root diameter of the bevel gear is larger than the thickness of the gear milling matrix; the included angle between the outer side surface of the cutting edge of the cutter tooth and the vertical axis of the milling tooth matrix is 0-10 degrees; the included angle between the axis of the cone teeth and the horizontal axis of the milling tooth matrix is 110-120 degrees; the upper end face of the cutter-type tooth is 5-8mm higher than the top of the milling tooth matrix.
2. A milling tooth according to any one of claims 1, wherein the two sides of the blade-shaped tooth extend 3-5mm beyond the milling tooth base.
3. A milling tooth according to any one of claims 1, wherein the root diameter of the bevel tooth is 5-10mm greater than the thickness of the milling tooth base.
4. The milling tooth according to claim 1, wherein the side and bottom surfaces of the milling tooth base are provided with milling tooth mounting grooves.
5. The milling cutter tooth of claim 4, wherein said milling cutter tooth mounting slot has a trapezoidal cross-sectional shape.
6. The milling tooth according to claim 1, wherein the milling tooth base body is provided with a disassembly and assembly process hole and a milling tooth fixing hole, and the milling tooth fixing hole is arranged on one side of the cutter type tooth.
7. A double wheel milling device comprising a milling tooth according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409894.2A CN110158691B (en) | 2019-05-16 | 2019-05-16 | Gear milling and double-wheel milling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409894.2A CN110158691B (en) | 2019-05-16 | 2019-05-16 | Gear milling and double-wheel milling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110158691A CN110158691A (en) | 2019-08-23 |
| CN110158691B true CN110158691B (en) | 2024-03-01 |
Family
ID=67631095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910409894.2A Active CN110158691B (en) | 2019-05-16 | 2019-05-16 | Gear milling and double-wheel milling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110158691B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565717A (en) * | 2019-09-16 | 2019-12-13 | 江苏徐工工程机械研究院有限公司 | Milling tooth with pre-crushing function |
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| CN1955383A (en) * | 2005-10-25 | 2007-05-02 | 包尔机械有限公司 | Cutting tooth for earth working equipment |
| WO2007056857A1 (en) * | 2005-11-16 | 2007-05-24 | Les Équipments Prenbec Inc. | Reversible saw tooth |
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| CN110158691A (en) | 2019-08-23 |
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