CN209687925U - A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance - Google Patents
A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance Download PDFInfo
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- CN209687925U CN209687925U CN201920064146.0U CN201920064146U CN209687925U CN 209687925 U CN209687925 U CN 209687925U CN 201920064146 U CN201920064146 U CN 201920064146U CN 209687925 U CN209687925 U CN 209687925U
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- nut
- roller bearing
- tapered roller
- double row
- main body
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- Rolling Contact Bearings (AREA)
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Abstract
A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance provided by the utility model, comprising: cricoid nut main body；The peripheral side cambered surface of the nut main body is connected with multiple rotating handles；The inner circumferential side cambered surface of the nut main body is equipped with big internal screw thread compatible with double row tapered roller bearing.The tensioning nut of the utility model need to only unclamp high-strength bolt when bearing needs repairing, can easily unscrew nut main body with manpower, convenient and efficient, and production is simple, and components are few；It is high to solve existing large hydraulic nut price, the bearing of each specification corresponds to different model hydraulic nut, and clearance needs to remove hydraulic nut and installs big nut again after being adjusted in place, big nut is installed in place the difficult defect for dismantling also difficulty.
Description
Technical field
The utility model relates to the technical fields of Automatic manual transmission apparatus, and in particular to one kind is used for double row tapered roller bearing
The tensioning nut of clearance adjustment.
Background technique
Currently, double row tapered roller bearing can be related to the adjustment of clearance when installing and using, although producer provides bearing
The bearing inner spacer of just size is provided according to requirement, but in most cases or by manually directly pacifying
Dress, is directly attached on axis firmly by installation tool and tup, is that clearance adjustment is difficult there are main problem, transmission accuracy difference is caused to be held
It is also easy to produce abrasion.Installation method relatively good at present is dismounting hydraulic nut after being adjusted bearing clearance with hydraulic nut, then
With big nut by bearing lock on axis.This method has a defect that large hydraulic nut price is high, the axis of each specification
It holds and all corresponds to different model hydraulic nut, clearance needs to remove hydraulic nut and installs big nut, big nut again after being adjusted in place
It is also difficult to be installed in place difficult disassembly.
For example, number of patent application CN201721862891.7 disclose it is " a kind of to be easily installed fixed double-row conical
Bearing " patent document, the utility model disclose it is a kind of be easily installed fixed double row tapered roller bearing, including outer ring,
Two column of two inner rings, two row tapered rollers between outer ring and two inner rings and guidance being arranged side by side on the inside of outer ring
The retainer of taper roller is provided with a pin hole in the width side of outer ring, which is complete circle by outer ring marginal portion
Hole is semicircle orifice far from outer ring marginal portion, is equipped with other half with the exterior part of double row tapered roller bearing cooperation
Semicircle orifice, the pin hole is interior to pass through positioning pin pair after the double row tapered roller bearing is assemblied on exterior part inserted with positioning pin
The double row tapered roller bearing and exterior part carry out the circumferentially positioned width other side one semicircular positioning of setting in outer ring
The prominent positioning position of hole, the location hole and exterior part is cooperated.In its installation process, large hydraulic spiral shell is had a defect that
Female price is high, and the bearing of each specification corresponds to different model hydraulic nut, and clearance needs to remove hydraulic spiral shell after being adjusted in place
Mother installs big nut again, and it is also difficult that big nut is installed in place difficult disassembly.
Summary of the invention
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of tensioning nuts for the adjustment of double row tapered roller bearing clearance, solve
Existing large hydraulic nut price is high, and the bearing of each specification corresponds to different model hydraulic nut, and clearance is adjusted to
It needs to remove hydraulic nut behind position and big nut is installed again, big nut is installed in place the difficult defect for dismantling also difficulty.
(2) technical solution
In order to solve the above-mentioned technical problem, provided by the utility model a kind of for the adjustment of double row tapered roller bearing clearance
Tensioning nut, comprising: cricoid nut main body；The peripheral side cambered surface of the nut main body is connected with multiple rotating handles；Institute
The inner circumferential side cambered surface for stating nut main body is equipped with big internal screw thread compatible with double row tapered roller bearing.Of the utility model
Tight nut need to only unclamp high-strength bolt when bearing needs repairing, can easily unscrew nut main body with manpower, convenient and efficient,
Production is simple, and components are few；It is high to solve existing large hydraulic nut price, the bearing of each specification corresponds to different shaped
Number hydraulic nut, clearance need to remove hydraulic nut and install big nut again after being adjusted in place, big nut is installed in place difficult disassembly
Also difficult defect.
Preferably, the nut main body is equipped with through multiple fine thread holes of upper and lower end face.The utility model setting
Multiple fine thread holes, convenient for being packed into cushion block, required torque when for reducing tensioning.
Preferably, the fine thread hole number is 12.12 fine thread holes, pressure point is arranged in the utility model
With more evenly.
Preferably, one end is equipped with cushion block in the fine thread hole；Described cushion block one end is cambered surface, and the other end is that contact is double
The plane of row tapered roller bearing；High-strength bolt is also equipped in the fine thread hole, cushion block is withstood in described high-strength bolt one end
Cambered surface, the other end expose fine thread hole；The part in the exposing fine thread hole of the high-strength bolt is also equipped with locking nut,
For high-strength bolt to be fixed on nut main body.It for cambered surface other end is plane that the utility model setting cushion block, which uses one,
Structure, frictional force when both having reduced screw rod tensioning nut also avoid the friction of screw rod Yu bearing home record end face.
Preferably, the rotating handle end band external screw thread, the peripheral side cambered surface of the nut main body have and rotation hand
The compatible internal thread hole in pommel portion.
(3) beneficial effect
A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance provided by the utility model, with following
Advantage:
1, the tensioning nut of the utility model need to only unclamp high-strength bolt when bearing needs repairing, can be light with manpower
Nut main body is unscrewed, convenient and efficient, production is simple, and components are few；It is high to solve existing large hydraulic nut price, each
The bearing of specification all corresponds to different model hydraulic nut, and clearance needs to remove hydraulic nut and installs big spiral shell again after being adjusted in place
Mother, big nut are installed in place the difficult defect for dismantling also difficulty.
Detailed description of the invention
Fig. 1 is the tensioning nut perspective view for the adjustment of double row tapered roller bearing clearance of the utility model；
Fig. 2 is making for the embodiment 1 of the tensioning nut for the adjustment of double row tapered roller bearing clearance of the utility model
Use state diagram.
1, nut main body, 2, high-strength bolt, 3, rotating handle, 4, locking nut, 5, cushion block, 6, installation axle, 7, biserial circle
Taper roller bearing, 8, big internal screw thread, 9, fine thread hole, 10, internal thread hole.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term
The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.In the description of the present invention, it should be noted that unless otherwise specific rule
Fixed and restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be connected directly, it can also be indirectly connected through an intermediary.For this field
Those of ordinary skill for, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment 1
As depicted in figs. 1 and 2, a kind of tensioning for the adjustment of double row tapered roller bearing clearance provided by the utility model
Nut, comprising: cricoid nut main body 1；The peripheral side cambered surface of the nut main body is connected with multiple rotating handles 3；The spiral shell
The inner circumferential side cambered surface of female main body is equipped with big internal screw thread 8 compatible with double row tapered roller bearing.
The nut main body is equipped with through multiple fine thread holes 9 of upper and lower end face.The fine thread hole number is
12.One end is equipped with cushion block in the fine thread hole.Described cushion block one end is cambered surface, and the other end is contact double-row conical
The plane of bearing.High-strength bolt 2 is also equipped in the fine thread hole, the cambered surface of cushion block is withstood in described high-strength bolt one end, separately
Expose fine thread hole in one end；The part in the exposing fine thread hole of the high-strength bolt is also equipped with locking nut 4, and being used for will be high
Strong screw rod is fixed on nut main body.The rotating handle end band external screw thread, the peripheral side cambered surface of the nut main body have
Internal thread hole 10 compatible with rotating handle end.
The present embodiment is set to double row tapered roller bearing 7 in installation axle 6 in implementing, and nut main body is passed through artificial side
Formula rotation rotating handle is installed to its end face to be bonded with double row tapered roller bearing home record.It will be used for the cushion block of reducing friction resistance
It fills in 12 fine thread holes of nut main body, pays attention to the plane of cushion block towards bearing home record.Locking nut is screwed to height
On strong screw rod, high-strength bolt is screwed on nut main body in corresponding fine thread hole later.According to the bearing type of different size
Torque needed for number determining high-strength bolt, is then tightened high-strength bolt according to corresponding torque with torque spanner, by with clearance gauge
Gap between bearing roller and bearing overside is measured, according to required clearance fine adjustment high-strength bolt.It completes locking nut after adjusting
It tightens.Dismantle rotating handle.
The various embodiments described above are merely to illustrate the utility model, wherein the structure of each component, connection type etc. are all can be with
It is varied, all equivalents and improvement carried out on the basis of technical solutions of the utility model should not exclude
Except the protection scope of the utility model.
Claims (5)
1. a kind of tensioning nut for the adjustment of double row tapered roller bearing clearance characterized by comprising cricoid nut master
Body；The peripheral side cambered surface of the nut main body is connected with multiple rotating handles；The inner circumferential side cambered surface of the nut main body is equipped with
Big internal screw thread compatible with double row tapered roller bearing.
2. the tensioning nut for the adjustment of double row tapered roller bearing clearance as described in claim 1, which is characterized in that described
Nut main body is equipped with through multiple fine thread holes of upper and lower end face.
3. the tensioning nut for the adjustment of double row tapered roller bearing clearance as claimed in claim 2, which is characterized in that described
Fine thread hole number is 12.
4. the tensioning nut for the adjustment of double row tapered roller bearing clearance as claimed in claim 2 or claim 3, which is characterized in that
One end is equipped with cushion block in the fine thread hole；Described cushion block one end is cambered surface, and the other end is contact double row tapered roller bearing
Plane；High-strength bolt is also equipped in the fine thread hole, the cambered surface of cushion block, other end dew are withstood in described high-strength bolt one end
Fine thread hole out；The part in the exposing fine thread hole of the high-strength bolt is also equipped with locking nut, is used for high-strength bolt
It is fixed on nut main body.
5. the tensioning nut for the adjustment of double row tapered roller bearing clearance as claimed in claim 2 or claim 3, which is characterized in that
The rotating handle end band external screw thread, the peripheral side cambered surface of the nut main body have in compatible with rotating handle end
Threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064146.0U CN209687925U (en) | 2019-01-15 | 2019-01-15 | A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064146.0U CN209687925U (en) | 2019-01-15 | 2019-01-15 | A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209687925U true CN209687925U (en) | 2019-11-26 |
Family
ID=68598797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920064146.0U Active CN209687925U (en) | 2019-01-15 | 2019-01-15 | A kind of tensioning nut for the adjustment of double row tapered roller bearing clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209687925U (en) |
-
2019
- 2019-01-15 CN CN201920064146.0U patent/CN209687925U/en active Active
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