CN219731596U - Milling gear for pavement milling machine - Google Patents
Milling gear for pavement milling machine Download PDFInfo
- Publication number
- CN219731596U CN219731596U CN202320919504.8U CN202320919504U CN219731596U CN 219731596 U CN219731596 U CN 219731596U CN 202320919504 U CN202320919504 U CN 202320919504U CN 219731596 U CN219731596 U CN 219731596U
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- Prior art keywords
- groove
- milling
- tooth
- screw thread
- grooves
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- 238000003801 milling Methods 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010862 gear shaping Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Milling Processes (AREA)
Abstract
The utility model discloses a milling tooth for a pavement milling machine, which comprises a tooth body, wherein one end of the tooth body is provided with a cylindrical groove, a movable block is slidably arranged in the cylindrical groove through a sliding component, the surface of the movable block is provided with a threaded groove, a cutter head is arranged in the mounting groove, one end of the cutter head is fixedly provided with a threaded connecting column, the side surfaces of the movable block are symmetrically provided with mounting grooves, two mounting grooves are respectively internally provided with a limiting block through a first telescopic spring, the inner wall of the cylindrical groove is provided with a plurality of limiting grooves, the limiting blocks are inserted into the limiting grooves, and the cylindrical groove is internally provided with a transmission component for driving the limiting blocks to be far away from the limiting grooves. According to the utility model, through the mutual matching of the moving block, the threaded connecting column, the first telescopic spring, the limiting block and the transmission component, the cutter head can be conveniently and rapidly detached from the milling gear, and the cutter head is independently replaced, so that the whole milling gear is required to be replaced, the operation is convenient, and the maintenance cost is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of milling and planing, in particular to a milling and planing tooth for a pavement milling and planing machine.
Background
The milling machine is mainly used for excavating and renewing asphalt concrete surface layers of roads, town roads and the like, is one of main equipment of asphalt pavement maintenance construction machinery, milling teeth are important working parts of the pavement milling machine, are directly contacted with a working surface, bear the milling function, are arranged on a milling drum of the milling machine, and the front ends of the milling teeth are mostly provided with hard alloy tool tips.
When milling operation, the milling machine can drive the milling gear to be in continuous contact with the ground, and then the cutter head arranged at the front end of the milling gear can be continuously worn, and when the wear reaches a certain degree, the milling efficiency can be obviously reduced, so that the cutter head on the milling gear needs to be replaced in time.
Most of the existing cutter heads on the milling teeth are welded on the milling teeth, and when the cutter heads need to be replaced, the whole milling teeth must be replaced, so that the replacement is inconvenient, and the maintenance cost is high.
Disclosure of Invention
The utility model aims to solve the defects that most of cutter heads on the milling teeth are welded on the milling teeth in the prior art, and when the cutter heads need to be replaced, the whole milling teeth are required to be replaced, the replacement is inconvenient, and the maintenance cost is high.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the milling tooth for the pavement milling machine comprises a tooth body, wherein a connecting seat is fixedly arranged at one end of the tooth body, and a cylindrical groove is formed in one end of the tooth body;
the utility model discloses a cylinder inslot has the movable block through sliding component slidable mounting, the screw thread groove has been seted up on the movable block surface, be equipped with the tool bit in the mounting groove, tool bit one end fixed mounting has the threaded connection post, the threaded connection post screw thread is inserted and is established in the screw thread inslot, the mounting groove has been seted up to movable block side symmetry, two the stopper is all installed through first expansion spring in the mounting groove, a plurality of spacing grooves have been seted up to the cylinder inslot wall, the stopper is inserted and is established at the spacing inslot, be equipped with the drive assembly that drives the stopper and keep away from the spacing groove in the cylinder inslot.
Preferably, the cylindrical groove is internally symmetrically provided with a sliding groove, the sliding assembly comprises two sliding blocks which are respectively and slidably arranged in the sliding groove, and the two sliding blocks are fixedly connected with the moving block.
Preferably, the movable holes communicated with the cylindrical grooves are symmetrically formed in one end of the tooth body, the transmission assembly comprises two ejector rods which are respectively and slidably arranged in the two movable holes and a circular ring which is fixedly arranged at one end of each of the two ejector rods, triangular grooves are formed in the surfaces of the two limiting blocks, and the two ejector rods correspond to the two triangular grooves respectively.
Preferably, the two ejector rods are respectively sleeved with a second telescopic spring, and two ends of each second telescopic spring are respectively fixedly connected with the circular ring and the tooth body.
Preferably, the connecting seat is fixedly sleeved with a connecting flange, and a plurality of positioning holes are formed in the surface of the connecting flange.
Preferably, the tool bit is a polycrystalline diamond composite material.
The utility model has the beneficial effects that:
through mutually supporting of movable block, threaded connection post, first extension spring, stopper and drive assembly, can be convenient dismantle the tool bit from milling the gear shaping, change the tool bit alone, and then need not to wholly change milling the gear shaping, convenient operation, the effectual cost of maintenance that has reduced.
Drawings
Fig. 1 is a schematic perspective view of a milling tooth for a pavement milling machine according to the present utility model;
fig. 2 is a schematic view of a partial perspective cross-sectional structure of a milling tooth for a pavement milling machine according to the present utility model;
fig. 3 is a schematic perspective view of a cutter head in milling teeth for a pavement milling machine according to the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 1 at A;
FIG. 5 is an enlarged view of the structure at B in FIG. 2;
fig. 6 is an enlarged view of the structure at C in fig. 2.
In the figure: 1 tooth body, 2 connecting seat, 3 movable blocks, 4 tool bit, 5 screw thread spliced pole, 6 first expansion spring, 7 stopper, 8 slider, 9 ejector pins, 10 rings, 11 second expansion spring, 12 triangular groove, 13 flange.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, a milling tooth for a pavement milling machine comprises a tooth body 1, wherein a connecting seat 2 is fixedly arranged at one end of the tooth body 1, a cylindrical groove is formed at one end of the tooth body 1, a moving block 3 is slidably arranged in the cylindrical groove through a sliding component, sliding grooves are symmetrically formed in the cylindrical groove, the sliding component comprises two sliding blocks 8 which are slidably arranged in the sliding grooves respectively, the two sliding blocks 8 are fixedly connected with the moving block 3, a thread groove is formed in the surface of the moving block 3, a cutter head 4 is arranged in the mounting groove, a threaded connecting column 5 is fixedly arranged at one end of the cutter head 4, and threads of the threaded connecting column 5 are inserted in the thread groove.
When needs change tool bit 4, the staff can use and rotate tool bit 4, drives threaded connection post 5 through tool bit 4 and rotates in the thread groove, and then takes out threaded connection post 5 from the thread groove, then alright come down threaded connection post 5 and tool bit 4 follow the cylinder inslot, through design tool bit 4 and tooth body 1 into two detachable two positions, and then need not to wholly change milling the gear shaping when changing, easy operation, the effectual cost of maintenance that has reduced.
The mounting groove has been seted up to movable block 3 side symmetry, stopper 7 has all been installed through first telescopic spring 6 in two mounting grooves, a plurality of spacing grooves have been seted up to the cylinder inslot wall, stopper 7 is inserted and is established in the spacing inslot, the cylinder inslot is equipped with the drive assembly who drives stopper 7 and keep away from the spacing groove, the removal hole that is linked together with the cylinder groove has been seted up to tooth 1 one end symmetry, drive assembly includes two ejector pins 9 that slide mounting is in two removal downthehole and fixed mounting at ring 10 of two ejector pins 9 one end respectively, triangular groove 12 has all been seted up on two stopper 7 surfaces, two ejector pins 9 correspond two triangular groove 12 respectively, all overlap on two ejector pins 9 and be equipped with second telescopic spring 11, the both ends of second telescopic spring 11 respectively with ring 10 and tooth 1 fixed connection, under the effect of second telescopic spring 11 elastic force, ring 10 and flange 13 contact, and then mill the tooth when using, ejector pin 9 takes the cylinder inslot can not move at will.
After the tool bit 4 receives certain wearing and tearing, staff accessible removes ring 10, drive two ejector pins 9 through ring 10 and remove to stopper 7 direction, until two ejector pins 9 insert respectively in two triangular groove 12, then under the effect of inclined plane, two stopper 7 remove to the mounting groove, first telescopic spring 6 compression, and then stopper 7 removes from the spacing groove, thereby the spacing effect contact of spacing groove to stopper 7, then movable block 3, can shift out one section with tool bit 4 from the cylinder inslot through movable block 3, until two stopper 7 insert in the spacing groove again, through realizing shifting out one section with tool bit 4 from the cylinder inslot after, thereby can also stretch out one section again after the tool bit 4 wears one section, make tool bit 4 can reuse, the effectual life who improves tool bit 4.
The connecting seat 2 is fixedly sleeved with the connecting flange 13, a plurality of positioning holes are formed in the surface of the connecting flange 13, the connecting seat 2 is installed on a tooth drum of a milling machine, then positioning bolts are installed in the positioning holes of the connecting flange 13, and milling teeth are fixedly installed on the tooth drum through the positioning bolts.
The cutter head 4 is made of polycrystalline diamond composite material, and the polycrystalline diamond composite material has the advantages of high strength, high wear resistance and low manufacturing cost.
According to the utility model, when the cutter head 4 needs to be replaced, a worker can rotate the cutter head 4, the cutter head 4 drives the threaded connecting column 5 to rotate in the threaded groove, the threaded connecting column 5 is taken out of the threaded groove, then the threaded connecting column 5 and the cutter head 4 can be detached from the cylindrical groove, and the cutter head 4 and the tooth body 1 are designed into two detachable parts, so that the whole milling and planing teeth do not need to be replaced during replacement, the operation is simple, and the maintenance cost is effectively reduced.
Overall, for technical problems: most of the existing cutter heads 4 on the milling teeth are welded on the milling teeth, and when the cutter heads 4 need to be replaced, the whole milling teeth need to be replaced, so that the replacement is inconvenient, and the maintenance cost is high; adopts the technical proposal that: the cutter head 4 can be conveniently detached from the milling tooth through the mutual matching of the moving block 3, the threaded connecting column 5, the first telescopic spring 6, the limiting block 7 and the transmission component, and the cutter head 4 is independently replaced; the implementation process of the technical scheme is as follows: when the tool bit 4 needs to be replaced, a worker can rotate the tool bit 4, and drive the threaded connection column 5 to rotate in the threaded groove through the tool bit 4, so that the threaded connection column 5 is taken out of the threaded groove, and then the threaded connection column 5 and the tool bit 4 can be detached from the cylindrical groove; therefore, the technical problem can be necessarily solved, and the realized technical effects are as follows: the cutter head 4 can be conveniently detached from the milling gear, the cutter head 4 is independently replaced, and then the whole milling gear is not required to be replaced, so that the operation is convenient, and the maintenance cost is effectively reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The milling tooth for the pavement milling machine comprises a tooth body (1), and is characterized in that a connecting seat (2) is fixedly arranged at one end of the tooth body (1), and a cylindrical groove is formed at one end of the tooth body (1);
the utility model discloses a cylinder groove, including cylinder groove, screw thread groove, cutter head (4), screw thread connecting column (5) are installed through sliding component slidable mounting in the cylinder groove, screw thread groove has been seted up on movable block (3) surface, be equipped with tool bit (4) in the screw thread groove, tool bit (4) one end fixed mounting has screw thread connecting column (5), screw thread connecting column (5) screw thread are inserted and are established in the screw thread groove, mounting groove has been seted up to movable block (3) side symmetry, two stopper (7) are all installed through first telescopic spring (6) in the mounting groove, a plurality of spacing grooves have been seted up to cylinder inslot wall, stopper (7) are inserted and are established in the spacing groove, be equipped with the drive assembly that drives spacing groove (7) and keep away from in the cylinder groove.
2. The milling tooth for the pavement milling machine according to claim 1, wherein the cylindrical groove is symmetrically provided with sliding grooves, the sliding assembly comprises two sliding blocks (8) which are respectively and slidably arranged in the sliding grooves, and the two sliding blocks (8) are fixedly connected with the movable block (3).
3. The milling tooth for the pavement milling machine according to claim 1, wherein the movable holes communicated with the cylindrical grooves are symmetrically formed in one end of the tooth body (1), the transmission assembly comprises two ejector rods (9) which are respectively and slidably arranged in the two movable holes and a circular ring (10) which is fixedly arranged at one end of each of the two ejector rods (9), triangular grooves (12) are formed in the surfaces of the two limiting blocks (7), and the two ejector rods (9) respectively correspond to the two triangular grooves (12).
4. A milling tooth for a pavement milling machine according to claim 3, characterized in that the two ejector rods (9) are respectively sleeved with a second telescopic spring (11), and two ends of the second telescopic spring (11) are respectively fixedly connected with the circular ring (10) and the tooth body (1).
5. The milling tooth for the pavement milling machine according to claim 1, wherein the connecting seat (2) is fixedly sleeved with a connecting flange (13), and a plurality of positioning holes are formed in the surface of the connecting flange (13).
6. A milling tooth for a road milling machine according to claim 1, characterized in that the cutter head (4) is a polycrystalline diamond composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919504.8U CN219731596U (en) | 2023-04-23 | 2023-04-23 | Milling gear for pavement milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919504.8U CN219731596U (en) | 2023-04-23 | 2023-04-23 | Milling gear for pavement milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219731596U true CN219731596U (en) | 2023-09-22 |
Family
ID=88051870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320919504.8U Active CN219731596U (en) | 2023-04-23 | 2023-04-23 | Milling gear for pavement milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219731596U (en) |
-
2023
- 2023-04-23 CN CN202320919504.8U patent/CN219731596U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240601 Address after: 325305 Office No. 11, Huangtan Town Government, Wencheng County, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Jinyufeng Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 323000 Qiaoqiao Industrial Park, miaogao street, Suichang County, Lishui City, Zhejiang Province Patentee before: Zhejiang jinyufeng Machinery Manufacturing Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |