CN212337873U - Be used for environmental protection equipment high accuracy drive shaft - Google Patents
Be used for environmental protection equipment high accuracy drive shaft Download PDFInfo
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- CN212337873U CN212337873U CN202021025858.0U CN202021025858U CN212337873U CN 212337873 U CN212337873 U CN 212337873U CN 202021025858 U CN202021025858 U CN 202021025858U CN 212337873 U CN212337873 U CN 212337873U
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Abstract
The utility model discloses a be used for environmental protection equipment high accuracy drive shaft, main content is: left side installation section right side be equipped with the bearing section, be equipped with the external screw thread on the outer face of cylinder of bearing section left end, all be equipped with left keyway on left side installation section leading flank and the trailing flank, bearing section right side be equipped with the linkage segment, the linkage segment right side is equipped with right installation section, all be equipped with right keyway on right installation section leading flank and the trailing flank, left side installation section, bearing section, linkage segment and right installation section center are equipped with central cooling hole, central cooling hole left surface is equipped with left centre bore, central cooling hole right flank is equipped with right centre bore, it has 4 arc recesses along the circumferencial direction equipartition on the face of cylinder to scribble lubricating grease and left installation section on the face of cylinder outside the left side installation section. The utility model discloses simple structure adopts double key groove and step to fix a position, and it is very convenient that the installation is dismantled, long service life, and the cooling effect is good, and the rigidity is good and the rotation precision is high, and is lubricated effectual.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, concretely relates to be used for environmental protection equipment high accuracy drive shaft.
Background
Most of high-precision driving shafts of the existing environment-friendly equipment are complex in structure, complex in axial positioning structure, complex in mounting and dismounting, and inconvenient in machining, positioning and clamping, so that the machining precision is poor, the service life is short, and the service performance of the high-precision driving shafts is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough the providing one kind is used for environmental protection equipment high accuracy drive shaft to above-mentioned prior art, its simple structure adopts double key groove and step to fix a position, and it is very convenient to install and dismantle, long service life, and the cooling effect is good, and the rigidity is good and the rotation precision is high, and is lubricated effectual.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a high precision drive shaft for an environmentally friendly device, wherein: the bearing comprises a left mounting section, a bearing section, a connecting section, a right mounting section, a right center hole, a right key groove, a central cooling hole, a left key groove and a left center hole, wherein the right side of the left mounting section is provided with the bearing section, the outer cylindrical surface at the left end of the bearing section is provided with an external thread, the front side surface and the rear side surface of the left mounting section are provided with the left key groove, the right side of the bearing section is provided with the connecting section, the right side of the connecting section is provided with the right mounting section, the front side surface and the rear side surface of the right mounting section are provided with the right key groove, the centers of the left mounting section, the bearing section, the connecting section and the right mounting section are provided with the central cooling hole, the left side surface of the central cooling hole is provided with the left center hole, the outer cylindrical surface of the left mounting section is coated with lubricating grease, and the outer cylindrical surface of the left mounting section is uniformly provided with 4, the left mounting section, the bearing section, the connecting section and the right mounting section are subjected to high-temperature carburizing and quenching, and the hardness after quenching is HRC 57-62.
In order to optimize the technical scheme, the specific measures adopted further comprise:
and the outer cylindrical surfaces of the left mounting section, the bearing section, the connecting section and the right mounting section are carburized at a high temperature of 150-200 ℃.
And after the outer cylindrical surfaces of the left mounting section, the bearing section and the right mounting section are carburized, grinding treatment is adopted.
And the left mounting section, the bearing section and the right mounting section are subjected to carburizing and quenching and then are subjected to grinding treatment, and the depth of a carburized layer after grinding is 0.8-1.5 mm.
The left mounting section of the utility model realizes positioning mounting through the key grooves on two sides and the axial steps, thereby improving the mounting and connecting precision, and the left mounting section is coated with lubricating grease, thereby realizing good lubricating performance; the centers of the left mounting section, the bearing section, the connecting section and the right mounting section are provided with central cooling holes, so that the temperature in operation is greatly reduced, and the service life of the bearing is prolonged; the bearing section is arranged on the bearing and is fixed by adopting a locking nut matched with a bearing gland, so that the supporting rigidity and the running precision of the bearing section are greatly improved; the left mounting section, the bearing section, the connecting section and the right mounting section are integrally carburized and quenched at high temperature of 150-200 ℃, and then are subjected to grinding treatment after carburization, the thickness of the ground carburized layer is 0.8-1.5 mm, and the hardness after carburization is HRC 57-62, so that the service life of the bearing is long; the center of the left mounting section and the center of the right mounting section are provided with center holes, so that the clamping and positioning during the processing of the driving shaft are facilitated.
The utility model has the advantages of following several: simple structure adopts double key groove and step to fix a position, and the installation is dismantled very conveniently, long service life, and the cooling effect is good, and the rigidity is good and the rotation precision is high, and is lubricated effectual.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a sectional view of the structure A-A of the present invention;
fig. 3 is a sectional view of the structure B-B of the present invention.
Wherein the reference numerals are: the bearing comprises a left mounting section 1, a bearing section 2, a connecting section 3, a right mounting section 4, a right central hole 5, a right key groove 6, a central cooling hole 7, a left key groove 8 and a left central hole 9.
Detailed Description
The following further description of the embodiments of the present invention is made with reference to the accompanying drawings:
a high precision drive shaft for an environmentally friendly device, wherein: including left installation section 1, bearing segment 2, linkage segment 3, right installation section 4, right centre bore 5, right keyway 6, central cooling hole 7, left keyway 8 and left centre bore 9, 1 right side of left installation section be equipped with bearing segment 2, 2 left ends of bearing segment be equipped with the external screw thread on the face of cylinder, 1 leading flank of left installation section and trailing flank on all be equipped with left keyway 8, 2 right sides of bearing segment be equipped with linkage segment 3, 3 right sides of linkage segment be equipped with right installation section 4, 4 leading flanks of right installation section and rear flank on all be equipped with right keyway 6, left installation section 1, bearing segment 2, linkage segment 3 and 4 centers of right installation section be equipped with central cooling hole 7, 7 left sides of central cooling hole be equipped with left centre bore 9, 7 right sides of central cooling hole be equipped with right centre bore 5, 1 face of left installation section have lubricating grease and the left installation section 1 face on along the circumferencial direction equipartition have 4 arc grooves 5 on the face The left mounting section 1, the bearing section 2, the connecting section 3 and the right mounting section 4 are subjected to high-temperature carburizing and quenching, and the hardness after quenching is HRC 57-62.
In the embodiment, the outer cylindrical surfaces of the left mounting section 1, the bearing section 2, the connecting section 3 and the right mounting section 4 are carburized at a high temperature of 150-200 ℃.
In the embodiment, the outer cylindrical surfaces of the left mounting section 1, the bearing section 2 and the right mounting section 4 are carburized and then are subjected to grinding treatment.
In the embodiment, the left mounting section 1, the bearing section 2 and the right mounting section 4 are carburized and quenched and then are ground, and the depth of a carburized layer after grinding is 0.8-1.5 mm.
In the utility model, the left mounting section 1 realizes positioning mounting through the key grooves on two sides and the axial steps, the mounting and connecting precision is improved, and the left mounting section 1 is coated with lubricating grease, thereby realizing good lubricating performance; the centers of the left mounting section 1, the bearing section 2, the connecting section 3 and the right mounting section 4 are provided with a central cooling hole 7, so that the temperature in operation is greatly reduced, and the service life of the device is prolonged; the bearing section 2 is arranged on the bearing and is fixed by adopting a locking nut matched with a bearing gland, so that the support rigidity and the running precision of the bearing section are greatly improved; the left mounting section 1, the bearing section 2, the connecting section 3 and the right mounting section 4 are integrally carburized and quenched at a high temperature of 150-200 ℃, and then are subjected to grinding treatment after carburization, the thickness of the ground carburized layer is 0.8-1.5 mm, and the hardness after carburization is HRC 57-62, so that the service life of the bearing is long; the center of the left mounting section 1 and the center of the right mounting section 4 are provided with center holes, so that the clamping and positioning during the processing of the driving shaft are facilitated.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a be used for environmental protection equipment high accuracy drive shaft which characterized in that: comprises a left mounting section (1), a bearing section (2), a connecting section (3), a right mounting section (4), a right center hole (5), a right key groove (6), a center cooling hole (7), a left key groove (8) and a left center hole (9), wherein the right side of the left mounting section (1) is provided with the bearing section (2), the outer cylindrical surface at the left end of the bearing section (2) is provided with an external thread, the front side surface and the rear side surface of the left mounting section (1) are both provided with the left key groove (8), the right side of the bearing section (2) is provided with the connecting section (3), the right side of the connecting section (3) is provided with the right mounting section (4), the front side surface and the rear side surface of the right mounting section (4) are both provided with the right key groove (6), the centers of the left mounting section (1), the bearing section (2), the connecting section (3) and the right mounting section (4) are provided with the center cooling hole (7), and the left side surface of the center cooling hole (7), center cooling hole (7) right flank be equipped with right centre bore (5), left installation section (1) outer face of cylinder on scribble lubricating grease and left installation section (1) outer face of cylinder on have 4 arc recesses along the circumferencial direction equipartition, left installation section (1), bearing section (2), linkage segment (3) and right installation section (4) adopt high temperature carburization quenching and the hardness after quenching to be HRC57 ~ 62.
2. A high precision drive shaft for an environmentally friendly device as defined in claim 1, wherein: the outer cylindrical surfaces of the left mounting section (1), the bearing section (2), the connecting section (3) and the right mounting section (4) are carburized at a high temperature of 150-200 ℃.
3. A high precision drive shaft for an environmentally friendly device as defined in claim 1, wherein: and the outer cylindrical surfaces of the left mounting section (1), the bearing section (2) and the right mounting section (4) are carburized and then are subjected to grinding treatment.
4. A high precision drive shaft for an environmentally friendly device as defined in claim 1, wherein: and the left mounting section (1), the bearing section (2) and the right mounting section (4) are subjected to grinding treatment after carburization quenching, and the depth of a carburized layer after grinding is 0.8-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025858.0U CN212337873U (en) | 2020-06-05 | 2020-06-05 | Be used for environmental protection equipment high accuracy drive shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021025858.0U CN212337873U (en) | 2020-06-05 | 2020-06-05 | Be used for environmental protection equipment high accuracy drive shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212337873U true CN212337873U (en) | 2021-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021025858.0U Active CN212337873U (en) | 2020-06-05 | 2020-06-05 | Be used for environmental protection equipment high accuracy drive shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212337873U (en) |
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2020
- 2020-06-05 CN CN202021025858.0U patent/CN212337873U/en active Active
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