CN111472246A - Tool bit structure of road grooving machine - Google Patents
Tool bit structure of road grooving machine Download PDFInfo
- Publication number
- CN111472246A CN111472246A CN202010306223.6A CN202010306223A CN111472246A CN 111472246 A CN111472246 A CN 111472246A CN 202010306223 A CN202010306223 A CN 202010306223A CN 111472246 A CN111472246 A CN 111472246A
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- CN
- China
- Prior art keywords
- sleeve
- driving shaft
- key
- blade
- wall
- Prior art date
- 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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Classifications
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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
- E01C23/09—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0906—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
- E01C23/0933—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A tool bit configuration for a road groover, comprising: the outer wall of the driving shaft is fixed with a limiting ring, the driving shaft is provided with key grooves distributed along the length direction of the driving shaft, one ends of the key grooves extend to the end face of the driving shaft, the other ends of the key grooves extend to the limiting ring, flat keys are arranged in the key grooves, and the outer wall of one end of the driving shaft, far away from the limiting ring, is provided with a threaded connecting part; the sleeve is sleeved on the outer walls of the driving shaft and the flat key; realize the transition between blade and the drive shaft through setting up sleeve structure, utilize the flat key between sleeve and the drive shaft to connect, realize and the flat key between great contact surface, avoid the too big fracture that causes the flat key of moment of torsion, and utilize the nut to compress tightly between sleeve and the blade, form a whole, when dismantling, can directly demolish the sleeve, consequently realize quick dismantlement and change, easy operation is convenient.
Description
Technical Field
The invention relates to the field of road machinery, in particular to a cutter head structure of a road grooving machine.
Background
The road is through permanent use, the phenomenon of fracture often can appear, in order to repair the road, need fill dedicated cementation of fissures and glue to the fracture, and before filling to the fracture carries out cementation of fissures and glue, need use the groover to cut the fracture, make the fracture neat, and the condition that the damage can appear in the operation in-process of the blade of groover, current blade all overlaps epaxially, compress tightly fixedly with the nut or fix with the key, but because the blade is thin, the mode that the nut is fixed is not convenient for dismantle, the mode that the key is fixed causes the injury to the key easily.
Disclosure of Invention
In order to overcome the problems presented in the background art, the invention provides a cutter head structure of a road grooving machine.
The technical scheme of the invention is as follows: a tool bit configuration for a road groover, comprising: the outer wall of the driving shaft is fixed with a limiting ring, the driving shaft is provided with key grooves distributed along the length direction of the driving shaft, one ends of the key grooves extend to the end face of the driving shaft, the other ends of the key grooves extend to the limiting ring, flat keys are arranged in the key grooves, and the outer wall of one end of the driving shaft, far away from the limiting ring, is provided with a threaded connecting part; the sleeve, the sleeve cover is established the outer wall of drive shaft and flat key, just telescopic one end is equipped with auxiliary nut, the telescopic other end is equipped with threaded connection portion, the sleeve passes through mounting nut to be fixed the outer wall of drive shaft, the cover is equipped with a plurality of blade, a plurality of on the telescopic outer wall blade one side supports and leans on one side of auxiliary nut, a plurality of the opposite side of blade is equipped with and is used for its spacing fixation nut.
Preferably, the outer wall of the sleeve is provided with planes distributed along the length direction of the sleeve, and the blade and the sleeve are fixed along the circumferential direction through the planes.
Preferably, the length of the key slot is greater than the length of the flat key, and the length of the flat key is at least half of the length of the key slot.
Preferably, friction bosses are arranged on two side faces of the blade, and friction grains are arranged on the friction bosses.
Preferably, the friction lines are radial lines which are centrosymmetrically distributed.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the transition between the blade and the driving shaft is realized by arranging the sleeve structure, the flat key connection between the sleeve and the driving shaft is utilized, a larger contact surface between the blade and the flat key is realized, the flat key is prevented from being broken due to overlarge torque, the sleeve and the blade are compressed by the nut to form a whole, and the sleeve can be directly disassembled during disassembly, so that the quick disassembly and replacement are realized, and the operation is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of a cutter head structure of a road grooving machine according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a blade according to an embodiment of the present invention;
FIG. 3 is a schematic right-view structural diagram of a fixing nut according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a driving shaft according to an embodiment of the present invention.
In the above fig. 1-4, 1, the drive shaft; 101. a keyway; 102. a threaded connection; 11. a limiting ring; 12. mounting a nut; 2. a sleeve; 21. an auxiliary nut; 22. fixing a nut; 3. a blade; 31. rubbing the boss; 32. rubbing the lines; 4. a flat bond.
The specific implementation mode is as follows:
the invention is further described below with reference to the accompanying drawings.
Examples
As shown in fig. 1-4, a cutter head structure of a road groover comprises: the outer wall of the driving shaft 1 is fixed with a limiting ring 11, the driving shaft 1 is provided with a key groove 101 distributed along the length direction of the driving shaft, one end of the key groove 101 extends to the end face of the driving shaft 1, the other end of the key groove 101 extends to the limiting ring 11, a flat key 4 is arranged in the key groove 101, and the outer wall of one end, away from the limiting ring 11, of the driving shaft 1 is provided with a threaded connection part 102; sleeve 2, sleeve 2 cover are established at the outer wall of drive shaft 1 and flat key 4, and the one end of sleeve 2 is equipped with auxiliary nut 21, and the other end of sleeve 2 is equipped with threaded connection portion 102, and sleeve 2 is fixed at the outer wall of drive shaft 1 through construction nut 12, and the cover is equipped with a plurality of blade 3 on the outer wall of sleeve 2, and support in one side of auxiliary nut 21 in 3 one side of a plurality of blade, and the opposite side of a plurality of blade 3 is equipped with and is used for its spacing fixation nut 22.
In this embodiment, the driving shaft 1 is installed on the belt pulley, the equipment is connected with the belt pulley through a gasoline engine and the like in a belt transmission mode, so that the driving shaft 1 rotates, when the equipment is installed, the flat key 4 can be placed in the key groove 101, then the sleeve 2 is sleeved on the driving shaft 1 and the flat key 4, the key groove 101 on the inner side of the sleeve 2 is kept aligned with the flat key 4 in the sleeving process, then the installation nut 12 is fixed on the threaded connection part 102 on the driving shaft 1 at the end part, it is ensured that the sleeve 2 cannot axially float on the driving shaft 1, the plurality of blades 3 and the sleeve 2 are in a modularized design, the equipment is installed before the sleeve 2 is installed, and the blades 3 with different numbers can be installed according to different operations, so as to adapt to grooving operations with different widths.
Specifically, the outer wall of the sleeve 2 is provided with a plane distributed along the length direction of the sleeve, the blade 3 and the sleeve 2 are fixed along the circumferential direction through the plane, and the circumferential fixing capacity between the blade 3 and the sleeve 2 can be increased through the design of a non-circular shaft.
Specifically, the length of the key groove 101 is greater than that of the flat key 4, and the length of the flat key 4 is at least half of the length of the key groove 101, so that the connection reliability between the drive shaft 1 and the sleeve 2 can be increased, and the stress on the flat key 4 can be reduced.
Specifically, the two side surfaces of the blades 3 are provided with friction bosses 31, the friction bosses 31 are provided with friction grains 32, and the friction grains 32 are radial grains which are distributed in a central symmetry manner, so that the friction between the adjacent blades 3 can be increased, and the integrity between the blades 3 can be improved.
The working principle of the invention is as follows: the driving shaft 1 is installed on the belt wheel, the equipment is connected with the belt wheel through a gasoline engine and the like in a belt transmission mode, so that the driving shaft 1 rotates, when the equipment is installed, the flat key 4 can be placed in the key groove 101, then the sleeve 2 is sleeved on the driving shaft 1 and the flat key 4, the key groove 101 on the inner side of the sleeve 2 is kept aligned with the flat key 4 in the sleeving process, then the installation nut 12 is fixed on the threaded connection part 102 on the driving shaft 1 at the end part, the sleeve 2 is ensured not to axially float on the driving shaft 1, the plurality of blades 3 and the sleeve 2 are in a modularized design, the equipment is installed before the sleeve 2 is installed, and the blades 3 with different numbers can be installed according to different operations to adapt to grooving operations with different widths.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a road groover's tool bit structure which characterized in that includes: the outer wall of the driving shaft (1) is fixed with a limiting ring (11), the driving shaft (1) is provided with key grooves (101) distributed along the length direction of the driving shaft, one ends of the key grooves (101) extend to the end face of the driving shaft (1), the other ends of the key grooves (101) extend to the limiting ring (11), flat keys (4) are arranged in the key grooves (101), and the outer wall of one end, far away from the limiting ring (11), of the driving shaft (1) is provided with a threaded connecting part (102);
sleeve (2), sleeve (2) cover is established the outer wall of drive shaft (1) and flat key (4), just the one end of sleeve (2) is equipped with auxiliary nut (21), the other end of sleeve (2) is equipped with threaded connection portion (102), sleeve (2) are fixed through mounting nut (12) the outer wall of drive shaft (1), the cover is equipped with a plurality of blade (3), a plurality of on the outer wall of sleeve (2) blade (3) one side is supported and is leaned on one side of auxiliary nut (21), a plurality of the opposite side of blade (3) is equipped with and is used for its spacing fixation nut (22).
2. The cutter head structure of the road groover according to claim 1, characterized in that the outer wall of the sleeve (2) is provided with planes distributed along the length direction thereof, and the blade (3) and the sleeve (2) are circumferentially fixed through the planes.
3. A cutter head structure of a road groover according to claim 1, characterized in that the length of the key groove (101) is greater than the length of the flat key (4), and the length of the flat key (4) is at least one-half of the length of the key groove (101).
4. The cutter head structure of the road grooving machine according to claim 1, wherein the two side surfaces of the blade (3) are provided with friction bosses (31), and the friction bosses (31) are provided with friction grains (32).
5. The cutter head structure of a road groover according to claim 4, characterized in that the friction lines (32) are radial lines distributed centrosymmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306223.6A CN111472246A (en) | 2020-04-17 | 2020-04-17 | Tool bit structure of road grooving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010306223.6A CN111472246A (en) | 2020-04-17 | 2020-04-17 | Tool bit structure of road grooving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111472246A true CN111472246A (en) | 2020-07-31 |
Family
ID=71753977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010306223.6A Withdrawn CN111472246A (en) | 2020-04-17 | 2020-04-17 | Tool bit structure of road grooving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111472246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458860A (en) * | 2020-12-04 | 2021-03-09 | 刘慧娟 | Efficient highway subgrade maintenance road surface cementation of fissures device |
-
2020
- 2020-04-17 CN CN202010306223.6A patent/CN111472246A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112458860A (en) * | 2020-12-04 | 2021-03-09 | 刘慧娟 | Efficient highway subgrade maintenance road surface cementation of fissures device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200731 |