CN204200825U - Saw and abrasionproof running shaft - Google Patents
Saw and abrasionproof running shaft Download PDFInfo
- Publication number
- CN204200825U CN204200825U CN201420646675.9U CN201420646675U CN204200825U CN 204200825 U CN204200825 U CN 204200825U CN 201420646675 U CN201420646675 U CN 201420646675U CN 204200825 U CN204200825 U CN 204200825U
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- Prior art keywords
- running shaft
- abrasionproof
- axle sleeve
- level
- axle
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Abstract
The utility model discloses a kind of abrasionproof running shaft, comprise rotation axis ontology and one-level axle sleeve, it is outer and be fixedly connected with described axle journal is dismountable that described one-level axle sleeve is sheathed on the axle journal of described rotation axis ontology.Owing to being arranged with first grade axis cover outside axle journal, and the two is fixedly connected with geo-stationary, therefore when transmitting comparatively high pulling torque, or the reason such as Axle Parts damage is when causing abrasionproof running shaft and Axle Parts to relatively rotate, the one-level axle sleeve periphery contacted with Axle Parts will rub because relatively rotating to produce and first be worn.When the wear extent of one-level axle sleeve more very much not meets the job requirement of abrasionproof running shaft, only need change the precision that one-level axle sleeve can recover abrasionproof running shaft, without the need to repairing rotation axis ontology or changing, thus extend the working life of abrasionproof running shaft, reduce the maintenance cost of equipment.The invention also discloses a kind of saw, comprise above-mentioned abrasionproof running shaft described in any one.
Description
Technical field
The utility model relates to machining equipment technical field, more particularly, relates to a kind of abrasionproof running shaft, also relates to a kind of saw comprising above-mentioned abrasionproof running shaft.
Background technique
Current mechanical field, running shaft is widely used in various equipment, is the kernel component of machinery.The effect of running shaft roughly has bearing and turning part, transmission motion and power, all parts on shaft of guarantee to have the axial working position etc. determined.Usually, the two end part of running shaft are provided with axle journal, for being connected with Axle Parts such as bearing supports.
In the industrial production, due to running shaft and belt pulley or shaft coupling mismate, long-term overload operation, the axle journal of sliding bearing, because of insufficient lubrication, is with the impurity such as iron filings, the grains of sand in lubricant oil, or because of workmanship not high, heat treatment does not reach requirement, or axle is by reasons such as external force collisions, can cause the wearing and tearing of axle journal, even cause axle journal to fracture time serious.Running shaft after journal wear is for rotation precision; transmission efficiency, part life have a strong impact on; and equipment runs in spite of wound, and manufacturing efficiency is low, the aging of equipment is accelerated, affected quality of product; equipment can be caused time serious by the shutdown of forced-stopping machine or whole production line; and then cause the loss of production time; incur loss through delay delivery date, time serious, even cause industrial accident.Therefore, for the running shaft that the running shaft of wearing and tearing needs reparation in time or more renews.At present, running shaft wearing and tearing generally adopt repair welding, scutching point etc. to repair, but renovation technique is comparatively complicated, and quality control is very difficult.Simultaneously for the running shaft of some special substance, even cannot repair.Thus, serious wear constrains the life-span of running shaft in machinery, and then improves the maintenance cost of equipment.
In sum, how effectively solving and running shaft working life shortly cause the problems such as cost of equipment maintenance is high, is current those skilled in the art's urgent problem.
Model utility content
In view of this, first object of the present utility model is to provide a kind of abrasionproof running shaft, the structural design of this abrasionproof running shaft effectively can solve and running shaft working life shortly cause the problems such as cost of equipment maintenance is high, and second object of the present utility model is to provide a kind of saw comprising above-mentioned abrasionproof running shaft.
In order to reach above-mentioned first object, the utility model provides following technological scheme:
A kind of abrasionproof running shaft, comprises rotation axis ontology and one-level axle sleeve, and it is outer and be fixedly connected with described axle journal is dismountable that described one-level axle sleeve is sheathed on the axle journal of described rotation axis ontology.
Preferably, in above-mentioned abrasionproof running shaft, described one-level axle sleeve and described axle journal are interference fit.
Preferably, in above-mentioned abrasionproof running shaft, comprise the secondary axle sleeve be sheathed on outside described one-level axle sleeve further, and described secondary axle sleeve is fixedly connected with described one-level axle sleeve is dismountable.
Preferably, in above-mentioned abrasionproof running shaft, described secondary axle sleeve and described one-level axle sleeve are interference fit.
Preferably, in above-mentioned abrasionproof running shaft, the diameter of described axle journal is 100 millimeters, and the internal diameter of described one-level axle sleeve is 100 millimeters, and the external diameter of described one-level axle sleeve is 140 millimeters.
The abrasionproof running shaft that the utility model provides comprises rotation axis ontology and one-level axle sleeve, and it is outer and be fixedly connected with rotation axis ontology is dismountable that described one-level axle sleeve is sheathed on described rotation axis ontology.Thus, when abrasionproof running shaft and belt pulley or shaft coupling mismate, long-term overload operation, transmit comparatively high pulling torque, or the reason such as Axle Parts damage is when causing abrasionproof running shaft and Axle Parts relatively rotate and wear and tear, owing to being arranged with first grade axis cover outside axle journal, and the two is fixedly connected with geo-stationary, and the one-level axle sleeve periphery therefore contacted with Axle Parts will rub owing to relatively rotating to produce with Axle Parts and first be worn.When the wear extent of one-level axle sleeve more very much not meets running shaft job requirement, only need change the precision that one-level axle sleeve can recover abrasionproof running shaft, without the need to repairing rotation axis ontology or changing, thus extend the working life of abrasionproof running shaft, reduce the maintenance cost of equipment.
In order to reach above-mentioned second object, the utility model additionally provides a kind of saw, and this saw comprises any one abrasionproof running shaft above-mentioned.Preferably, above-mentioned saw is specially cold sawing machine.Because above-mentioned abrasionproof running shaft has above-mentioned technique effect, the saw with this abrasionproof running shaft also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of embodiment of abrasionproof running shaft that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of the axle sleeve of the abrasionproof running shaft shown in Fig. 1;
Fig. 3 is the assembling schematic diagram of the abrasionproof running shaft shown in Fig. 1;
The structural representation of the another kind of embodiment of abrasionproof running shaft that Fig. 4 provides for the utility model.
In accompanying drawing, mark is as follows:
Rotation axis ontology 1, one-level axle sleeve 2, axle journal 3, Axle Parts 4, secondary axle sleeve 5.
Embodiment
The utility model embodiment discloses a kind of abrasionproof running shaft, to extend the working life of running shaft, reduces the maintenance cost of equipment.The invention also discloses a kind of saw comprising above-mentioned abrasionproof running shaft.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 3, the structural representation of a kind of embodiment of abrasionproof running shaft that Fig. 1 provides for the utility model, Fig. 2 is the structural representation of the axle sleeve of the abrasionproof running shaft shown in Fig. 1, and Fig. 3 is the assembling schematic diagram of the abrasionproof running shaft shown in Fig. 1.
In a kind of embodiment, the abrasionproof running shaft that the utility model embodiment provides comprises rotation axis ontology 1, outside the axle journal 3 that rotation axis ontology 1 is connected with Axle Parts 4, be arranged with first grade axis overlap 2, one-level axle sleeve 2 is fixedly connected with axle journal 3 is dismountable in a conventional manner.The shape of axle sleeve 2 is generally tubulose, and its internal diameter size is arranged according to the diameter of axle journal 3, and its external diameter size is arranged according to the annexation, position relationship etc. of axle journal 3 with Axle Parts 4.Concrete, for a rotation axis ontology 1, its axle journal 3 can be set to length 100 millimeters, diameter 100 millimeters, the internal diameter of corresponding one-level axle sleeve 2 is set to 100 millimeters, according to the connection of one-level axle sleeve 2 with Axle Parts 4, the external diameter of one-level axle sleeve 2 is set to 140 millimeters, and length is set to 60 millimeters.Certainly, internal diameter, the outside dimension of one-level axle sleeve 2 can be arranged with the annexation of Axle Parts 4 according to the different size of rotation axis ontology 1 and rotation axis ontology 1, are not limited to above-mentioned concrete numerical value.
Apply above-mentioned abrasionproof running shaft, when abrasionproof running shaft and belt pulley or shaft coupling mismate, long-term overload operation, transmit comparatively high pulling torque, or the reason such as Axle Parts damage is when causing abrasionproof running shaft and Axle Parts 4 relatively rotate and wear and tear, first one-level axle sleeve 2 periphery contacted with Axle Parts 4 will relatively rotate with Axle Parts 4 to produce and rub and wear and tear.When the wear extent of one-level axle sleeve 2 more very much not meets running shaft job requirement, only the precision that one-level axle sleeve 2 can recover abrasionproof running shaft need be changed.
For convenience of dismounting, what axle journal 3 and the Placement of one-level axle sleeve 2 were concrete can be interference fit, for ensureing the effect of axle sleeve 2, namely when abrasionproof running shaft due to transmit the comparatively reason such as high pulling torque and cause it and Axle Parts 4 relatively rotates and weares and teares time, should make one-level axle sleeve 2 and rotation axis ontology 1 geo-stationary, and one-level axle sleeve 2 and Axle Parts 4 relatively rotate.Therefore, those skilled in the art are when assembling one-level axle sleeve 2, and the magnitude of interference of one-level axle sleeve 2 and rotation axis ontology 1 should be set to be greater than the magnitude of interference between the Axle Parts 4 such as one-level axle sleeve 2 and bearing support.Thus, in these cases, first one-level axle sleeve 2 will relatively rotate with Axle Parts 4 to produce and rub and wear and tear.It is pointed out that axle journal 3 does not limit to and interference fit with the Placement of one-level axle sleeve 2, what also can adopt other routines is detachably fixedly connected with mode, as by keyway etc.
Some further improvement can be carried out to the abrasionproof running shaft in above-mentioned a kind of embodiment.
Refer to Fig. 4, the structural representation of the another kind of embodiment of abrasionproof running shaft that Fig. 4 provides for the utility model.
In another kind of embodiment, the abrasionproof running shaft that the utility model embodiment provides comprises secondary axle sleeve 5 further, and secondary axle sleeve 5 is sheathed on outside one-level axle sleeve 2, and is fixedly connected with one-level axle sleeve 2 is dismountable in a conventional manner.When wearing and tearing occur abrasionproof running shaft, first secondary axle sleeve 5 will relatively rotate with Axle Parts 4 to produce and rub and wear and tear, and thus when it can not meet running shaft job requirement, only need change secondary axle sleeve 5, reduce further cost of equipment maintenance.
In like manner, for convenience of dismounting, what secondary axle sleeve 5 and the Placement of one-level axle sleeve 2 were concrete can be interference fit.Those skilled in the art are when assembling secondary axle sleeve 5, and the magnitude of interference between the Axle Parts 4 such as secondary axle sleeve 5 and bearing support should be set to the magnitude of interference being less than one-level axle sleeve 2 and rotation axis ontology 1.Preferably, secondary axle sleeve 5 and the magnitude of interference of one-level axle sleeve 2 can be set to the magnitude of interference being less than one-level axle sleeve 2 and rotation axis ontology 1, and are greater than the magnitude of interference between the Axle Parts 4 such as secondary axle sleeve 5 and bearing support.Namely, rotation axis ontology 1, one-level axle sleeve 2, secondary axle sleeve 5 and Axle Parts 4 between two between magnitude of interference reduce successively.Therefore, when wearing and tearing occur abrasionproof running shaft, first secondary axle sleeve 5 will relatively rotate with Axle Parts 4 to produce and rub and wear and tear.Even if at some in particular cases, when secondary axle sleeve 5 does not relatively rotate with Axle Parts 4, also relatively rotating of secondary axle sleeve 5 and one-level axle sleeve 2 will preferentially occur, thus the more effective rotation axis ontology 1 that avoids is rubbed and is worn and torn.Certainly, secondary axle sleeve 5 and the magnitude of interference of one-level axle sleeve 2 also can be set to be greater than the magnitude of interference of one-level axle sleeve 2 and rotation axis ontology 1, now, also rub for first secondary axle sleeve 5 relatively rotates with Axle Parts 4 to produce and wear and tear.
Based on the abrasionproof running shaft provided in above-described embodiment, the utility model additionally provides a kind of saw, and this saw comprises any one abrasionproof running shaft in above-described embodiment, and the structure of other parts of saw please refer to prior art, repeats no more here.The abrasionproof running shaft in above-described embodiment is have employed, so the beneficial effect of this saw please refer to above-described embodiment due to this abrasionproof running shaft.
Particularly, above-mentioned saw can be cold sawing machine.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an abrasionproof running shaft, comprise rotation axis ontology (1), it is characterized in that, comprise one-level axle sleeve (2) further, the axle journal (3) that described one-level axle sleeve (2) is sheathed on described rotation axis ontology (1) outward and be fixedly connected with described axle journal (3) is dismountable.
2. abrasionproof running shaft according to claim 1, is characterized in that, described one-level axle sleeve (2) and described axle journal (3) are interference fit.
3. abrasionproof running shaft according to claim 1 and 2, it is characterized in that, comprise further and be sheathed on described one-level axle sleeve (2) secondary axle sleeve (5) outward, and described secondary axle sleeve (5) is fixedly connected with described one-level axle sleeve (2) is dismountable.
4. abrasionproof running shaft according to claim 3, is characterized in that, described secondary axle sleeve (5) and described one-level axle sleeve (2) are interference fit.
5. abrasionproof running shaft according to claim 1, it is characterized in that, the diameter of described axle journal (3) is 100 millimeters, and the internal diameter of described one-level axle sleeve (2) is 100 millimeters, and the external diameter of described one-level axle sleeve (2) is 140 millimeters.
6. a saw, is characterized in that, comprises the abrasionproof running shaft as described in any one of claim 1-5.
7. saw according to claim 6, is characterized in that, described saw is cold sawing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646675.9U CN204200825U (en) | 2014-10-31 | 2014-10-31 | Saw and abrasionproof running shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646675.9U CN204200825U (en) | 2014-10-31 | 2014-10-31 | Saw and abrasionproof running shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200825U true CN204200825U (en) | 2015-03-11 |
Family
ID=52658789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420646675.9U Expired - Fee Related CN204200825U (en) | 2014-10-31 | 2014-10-31 | Saw and abrasionproof running shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373454A (en) * | 2014-10-31 | 2015-02-25 | 山东钢铁股份有限公司 | Sawing machine and anti-abrasive rotating shaft |
-
2014
- 2014-10-31 CN CN201420646675.9U patent/CN204200825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373454A (en) * | 2014-10-31 | 2015-02-25 | 山东钢铁股份有限公司 | Sawing machine and anti-abrasive rotating shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20171031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |