CN209382119U - Cab turnover shaft - Google Patents
Cab turnover shaft Download PDFInfo
- Publication number
- CN209382119U CN209382119U CN201822102374.0U CN201822102374U CN209382119U CN 209382119 U CN209382119 U CN 209382119U CN 201822102374 U CN201822102374 U CN 201822102374U CN 209382119 U CN209382119 U CN 209382119U
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- Prior art keywords
- shaft
- flange
- bushings
- mounting hole
- shaft part
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- 230000007306 turnover Effects 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 14
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
A cab turnover shaft comprises a first shaft section and a second shaft section, wherein one end of the first shaft section is connected with a first mounting end through a first flange, the first mounting end is provided with a first mounting hole, the other end of the first shaft section is sleeved on the outer circumferential surface of one end of the second shaft section, the other end of the second shaft section is connected with a second mounting end through a second flange, the second mounting end is provided with a second mounting hole, and a position, between the first flange and the second flange, on the outer circumferential surface of the first shaft section is sequentially sleeved with a first non-metal gasket, a first self-lubricating non-metal bushing, a second self-lubricating non-metal bushing and a second non-metal gasket from the first flange to the second flange; the first mounting hole and the second mounting hole are both oval. The design has the advantages of high reliability, simple and convenient assembly, good antifriction effect, good noise reduction effect, long service life and convenience in adjusting assembly clearance.
Description
Technical field
The utility model relates to cab mounting technical field more particularly to a kind of driver's cab turnover axis, are primarily adapted for use in
Unfailing performance is improved, assembly difficulty is reduced, improves antifriction effect.
Background technique
In the process of moving, the impact on road surface is transmitted to driver's cabin by automobile chassis and generates vibration vehicle, can make to take
Personnel generate uncomfortable, tired out, in order to promote the ride comfort of vehicle, make to take more comfortable, it will usually vehicle frame and driver's cabin it
Between be provided with suspending apparatus for vibration damping.Existing suspending apparatus includes half floated suspension and full floating suspension, and half suspends
Upper bracket is hinged by torsion shaft and lower bracket in formula suspension, and flip-arm passes through torsion shaft and upper bracket in full suspension type suspension
It is hinged, the assembly of torsion shaft is generally fixed and adjusted by shaft block ring, adjustment gasket, elastomeric pad, but axis is kept off
Circle can not bear biggish two-way alternating load, and adjust gasket and elastomeric pad assembly difficulty.
Summary of the invention
Low, assembly difficulty that the purpose of the utility model is to overcome reliabilities existing in the prior art, antifriction effect difference
Defect and problem provide a kind of high reliablity, the driver's cab turnover axis that assembly is easy, antifriction effect is good.
In order to achieve the above object, the technical solution of the utility model is: a kind of driver's cab turnover axis, including torsion shaft
Ontology, the both ends for overturning shaft body offer No.1 mounting hole, No. two mounting holes respectively, and the overturning shaft body includes No.1 axis
Section and No. two shaft parts, one end of the No.1 shaft part is connected with No.1 installation end by No.1 flange, is opened on No.1 installation end
Equipped with No.1 mounting hole, on the outer circumference surface of one end that the other end of the No.1 shaft part is sleeved on No. two shaft parts, No. two shaft parts
The other end be connected by No. two flanges with No. two installation ends, No. two mounting holes, the No.1 are offered on No. two installation ends
No.1 bushing, No. two bushings are set on the outer circumference surface of shaft part, one end of No.1 bushing is in contact with No.1 flange, No.1 lining
The other end of set is in contact with one end of No. two bushings, and the other end of No. two bushings is in contact with No. two flanges.
Position on the outer circumference surface of the No.1 shaft part between No.1 flange and No.1 bushing is set with No.1 pad
Piece, the position on the outer circumference surface of No.1 shaft part between No. two flanges and No. two bushings are set with No. two gaskets.
The No.1 bushing, No. two bushings are self-lubricating non-metallic bushings;The No.1 gasket, No. two gaskets are non-
Metal gasket.
The center of the described one end of No.1 shaft part far from No.1 flange offers circular hole, and No. two shaft parts are located at circular hole
It is interior, and the outer circumference surface of No. two shaft parts is in contact with the inner peripheral surface of circular hole.
The center of No. two shaft parts offers gas vent, and one end of gas vent extends on an end face of No. two shaft parts,
The other end of gas vent sequentially pass through after the other end of No. two shaft parts, No. two flanges, No. two installation ends with No. two mounting hole phases
It is logical.
The No.1 mounting hole, No. two mounting holes are oval.
The No.1 installation end, No. two installation ends are in flat.
Compared with prior art, the utility model has the following beneficial effects:
1, No.1 shaft part is connected by No.1 flange with No.1 installation end in a kind of driver's cab turnover axis of the utility model,
No.1 mounting hole is offered on No.1 installation end, No. two shaft parts are connected by No. two flanges with No. two installation ends, No. two installations
No. two mounting holes are offered on end;In use, first No.1 shaft part is inserted into upper bracket, then No. two shaft parts are sleeved on No.1 axis
In section, then upper bracket is mounted on lower bracket or flip-arm by No.1 mounting hole and No. two mounting holes, above structure
Torsion shaft not only assemble simplicity, but also limited by No.1 flange with No. two flanges after assembling, improve unfailing performance;Together
When, No.1 bushing, No. two bushings are set on the outer circumference surface of No.1 shaft part, and one end of No.1 bushing connects with No.1 flange
Touching, the other end of No.1 bushing are in contact with one end of No. two bushings, and the other end of No. two bushings is in contact with No. two flanges, if
No.1 bushing and No. two bushings are set, antifriction effect is enhanced.Therefore, the utility model high reliablity, assembly simplicity, antifriction effect
It is good.
2, it is located at No.1 flange and No.1 in a kind of driver's cab turnover axis of the utility model on the outer circumference surface of No.1 shaft part
Position between bushing is set with No.1 gasket, on the outer circumference surface of No.1 shaft part between No. two flanges and No. two bushings
Position is set with No. two gaskets, and No.1 gasket and No. two gaskets are arranged, enhance noise reduction effect;No.1 bushing, No. two bushings are equal
For self-lubricating non-metallic bushings, bushing service life is improved while enhancing antifriction effect;No.1 gasket, No. two gaskets are equal
For non-metallic gasket, the service life of gasket is improved while enhancing noise reduction effect.Therefore, the utility model noise reduction effect
It gets well, antifriction effect is good, long service life.
3, the center of the one end of No.1 shaft part far from No.1 flange offers in a kind of driver's cab turnover axis of the utility model
Circular hole, No. two shaft parts are located in circular hole, and the outer circumference surface of No. two shaft parts is in contact with the inner peripheral surface of circular hole;No. two shaft parts
Center offers gas vent, and one end of gas vent extends on an end face of No. two shaft parts, and the other end of gas vent sequentially passes through
It is communicated after the other end of No. two shaft parts, No. two flanges, No. two installation ends with No. two mounting holes;Using above-mentioned design by No. two axis
Section is fitted in No.1 shaft part, not only be further reduced assembly difficulty, is improved unfailing performance, but also improves assembly effect
Rate.Therefore, the utility model assembly simplicity, high reliablity, assembly efficiency are high.
4, No.1 mounting hole, No. two mounting holes are oval in a kind of driver's cab turnover axis of the utility model, by No.1
Ovalisation is arranged in mounting hole and No. two mounting holes, is conveniently adjusted fit-up gap;No.1 installation end, No. two installation ends are in flat
Shape, using flat installation end, so that being connected firmly.Therefore, the utility model is not only convenient for adjustment assembly gap, Er Qieti
The fastness that high torsion shaft is connect with other component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: No.1 shaft part 1,11, No. two shaft parts 2 of circular hole, gas vent 21, No.1 flange 3, No.1 installation end 4, No.1 peace
Fill the flange 5, two of hole 41, two installation end 6, two mounting hole 61,7, No. two bushings 8 of No.1 bushing, No.1 gasket 9, two
Gasket 10.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1, a kind of driver's cab turnover axis, including overturning shaft body, the both ends for overturning shaft body offer one respectively
Number 41, No. two mounting holes 61 of mounting hole, the overturning shaft body includes No.1 shaft part 1 and No. two shaft parts 2, the No.1 shaft part 1
One end be connected with No.1 installation end 4 by No.1 flange 3, offer No.1 mounting hole 41 on No.1 installation end 4, described one
On the outer circumference surface of one end that the other end of number shaft part 1 is sleeved on No. two shaft parts 2, the other end of No. two shaft parts 2 passes through No. two methods
Orchid 5 is connected with No. two installation ends 6, and No. two mounting holes 61, the excircle of the No.1 shaft part 1 are offered on No. two installation ends 6
7, No. two bushings 8 of No.1 bushing are set on face, one end of No.1 bushing 7 is in contact with No.1 flange 3, No.1 bushing 7 it is another
One end is in contact with one end of No. two bushings 8, and the other end of No. two bushings 8 is in contact with No. two flanges 5.
Position on the outer circumference surface of the No.1 shaft part 1 between No.1 flange 3 and No.1 bushing 7 is set with No.1
Gasket 9, the position on the outer circumference surface of No.1 shaft part 1 between No. two flanges 5 and No. two bushings 8 are set with No. two gaskets
10。
7, No. two bushings 8 of the No.1 bushing are self-lubricating non-metallic bushings;9, No. two gaskets 10 of the No.1 gasket
It is non-metallic gasket.
The center of the described one end of No.1 shaft part 1 far from No.1 flange 3 offers circular hole 11, and No. two shaft parts 2 are located at
In circular hole 11, and the outer circumference surface of No. two shaft parts 2 is in contact with the inner peripheral surface of circular hole 11.
The center of No. two shaft parts 2 offers gas vent 21, and one end of gas vent 21 extends to one end of No. two shaft parts 2
On face, the other end of gas vent 21 is sequentially passed through after 5, No. two other end of No. two shaft parts 2, No. two flanges installation ends 6 with two
Number mounting hole 61 communicates.
41, No. two mounting holes 61 of the No.1 mounting hole are oval.
4, No. two installation ends 6 of the No.1 installation end are in flat.
The principles of the present invention are described as follows:
Although shaft block ring, adjustment gasket, elastomeric pad play axial limiting and tolerance adjustment effect in existing design,
There are still following defects: shaft block ring cannot bear biggish two-way alternating load;Adjusting pad piece assembly technology is complicated, needs
Scene is adjusted according to tolerance stack situation scene;Elastomeric pad assembly difficulty is unfavorable for the integrated supply of material, meeting under alternating load when long
Permanent deformation is generated, leads to gap, influences function, quality;Lacking noise reduction anti-attrition design, long-play abrasion leads to abnormal sound,
Deterioration.
The design is related to a kind of driver's cab turnover standardization link block, while there is axial limiting and tolerance to adjust and make
With;Axial limiting can bear the impact of the two-way alternating load under bad working environments, and tolerance adjusting can eliminate tolerance stack and bring
Gap;Using press-fit improving production efficiency, have modularization, the potentiality of standardized designs;Axially and radially using certainly
Non-metallic bushings, non-metallic gasket are lubricated, noise reduction anti-attrition forms module after press-fitting;It can be by determining diameter, axial length
Justice forms standardization, seriation module, improves design success rate, reduces part kind.
Torsion shaft position, complete floating suspension torsion shaft and flip-arm hinge point is suspended in D560 vehicle semi-floating to use and originally set
The axis position limiting structure of meter, abrasion without exception and abnormal sound occur after reliability test.
No. two shaft parts, No. two flanges, No. two installation ends are equivalent to axial limiter in the design, after the installation of No.1 shaft part,
It is pressed axial limiter on No.1 shaft part;When press fitting, gas vent plays scavenging action, convenient for the press fitting of No. two shaft parts;One
Number mounting hole and No. two mounting holes are axial tolerance adjustment hole.
Embodiment 1:
Referring to Fig. 1, a kind of driver's cab turnover axis, including overturning shaft body, the both ends for overturning shaft body offer one respectively
Number 41, No. two mounting holes 61 of mounting hole, the overturning shaft body includes No.1 shaft part 1 and No. two shaft parts 2, the No.1 shaft part 1
One end be connected with No.1 installation end 4 by No.1 flange 3, offer No.1 mounting hole 41 on No.1 installation end 4, described one
On the outer circumference surface of one end that the other end of number shaft part 1 is sleeved on No. two shaft parts 2, the other end of No. two shaft parts 2 passes through No. two methods
Orchid 5 is connected with No. two installation ends 6, and No. two mounting holes 61, the excircle of the No.1 shaft part 1 are offered on No. two installation ends 6
7, No. two bushings 8 of No.1 bushing are set on face, one end of No.1 bushing 7 is in contact with No.1 flange 3, No.1 bushing 7 it is another
One end is in contact with one end of No. two bushings 8, and the other end of No. two bushings 8 is in contact with No. two flanges 5;The No.1 bushing 7,
No. two bushings 8 are self-lubricating non-metallic bushings.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
Position set referring to Fig. 1, on the outer circumference surface of the No.1 shaft part 1 between No.1 flange 3 and No.1 bushing 7
Equipped with No.1 gasket 9, the position on the outer circumference surface of No.1 shaft part 1 between No. two flanges 5 and No. two bushings 8 is set with two
Number gasket 10;9, No. two gaskets 10 of the No.1 gasket are non-metallic gasket.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
Referring to Fig. 1, the center of the described one end of No.1 shaft part 1 far from No.1 flange 3 offers circular hole 11, No. two axis
Section 2 is located in circular hole 11, and the outer circumference surface of No. two shaft parts 2 is in contact with the inner peripheral surface of circular hole 11;No. two shaft parts 2
Center offers gas vent 21, and one end of gas vent 21 extends on an end face of No. two shaft parts 2, the other end of gas vent 21 according to
It is communicated after 5, No. two secondary other end for passing through No. two shaft parts 2, No. two flanges installation ends 6 with No. two mounting holes 61.
Embodiment 4:
Basic content with embodiment 1, the difference is that:
Referring to Fig. 1,41, No. two mounting holes 61 of the No.1 mounting hole are oval;The No.1 installation end 4, two
Installation end 6 is in flat.
Claims (7)
1. a kind of driver's cab turnover axis, including overturning shaft body, the both ends for overturning shaft body offer No.1 mounting hole respectively
(41), No. two mounting holes (61), it is characterised in that: the overturning shaft body includes No.1 shaft part (1) and No. two shaft parts (2), institute
The one end for stating No.1 shaft part (1) is connected by No.1 flange (3) with No.1 installation end (4), and No.1 installation end offers on (4)
No.1 mounting hole (41), on the outer circumference surface of one end that the other end of the No.1 shaft part (1) is sleeved on No. two shaft parts (2), two
The other end of number shaft part (2) is connected by No. two flanges (5) with No. two installation ends (6), offers two on No. two installation ends (6)
Number mounting hole (61) is set with No.1 bushing (7), No. two bushings (8), No.1 lining on the outer circumference surface of the No.1 shaft part (1)
One end of set (7) is in contact with No.1 flange (3), and the other end of No.1 bushing (7) is in contact with one end of No. two bushings (8),
The other end of No. two bushings (8) is in contact with No. two flanges (5).
2. a kind of driver's cab turnover axis according to claim 1, it is characterised in that: the excircle of the No.1 shaft part (1)
Position on face between No.1 flange (3) and No.1 bushing (7) is set with No.1 gasket (9), the outer circle of No.1 shaft part (1)
Position on circumferential surface between No. two flanges (5) and No. two bushings (8) is set with No. two gaskets (10).
3. a kind of driver's cab turnover axis according to claim 2, it is characterised in that: the No.1 bushing (7), No. two bushings
It (8) is self-lubricating non-metallic bushings;The No.1 gasket (9), No. two gaskets (10) are non-metallic gasket.
4. a kind of driver's cab turnover axis according to claim 1, it is characterised in that: the No.1 shaft part (1) is far from No.1
The center of one end of flange (3) offers circular hole (11), and No. two shaft parts (2) are located in circular hole (11), and No. two shaft parts (2)
Outer circumference surface be in contact with the inner peripheral surface of circular hole (11).
5. a kind of driver's cab turnover axis according to claim 1, it is characterised in that: open at the center of No. two shaft parts (2)
Equipped with gas vent (21), one end of gas vent (21) is extended on an end face of No. two shaft parts (2), the other end of gas vent (21)
Sequentially pass through the other ends of No. two shaft parts (2), No. two flanges (5), No. two installation ends (6) afterwards with No. two mounting hole (61) phases
It is logical.
6. a kind of driver's cab turnover axis according to claim 1, it is characterised in that: the No.1 mounting hole (41), No. two
Mounting hole (61) is oval.
7. a kind of driver's cab turnover axis according to claim 1, it is characterised in that: the No.1 installation end (4), No. two peaces
End (6) are filled in flat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822102374.0U CN209382119U (en) | 2018-12-14 | 2018-12-14 | Cab turnover shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822102374.0U CN209382119U (en) | 2018-12-14 | 2018-12-14 | Cab turnover shaft |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209382119U true CN209382119U (en) | 2019-09-13 |
Family
ID=67871926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822102374.0U Active CN209382119U (en) | 2018-12-14 | 2018-12-14 | Cab turnover shaft |
Country Status (1)
Country | Link |
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CN (1) | CN209382119U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109367632A (en) * | 2018-12-14 | 2019-02-22 | 东风商用车有限公司 | Cab turnover shaft |
-
2018
- 2018-12-14 CN CN201822102374.0U patent/CN209382119U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109367632A (en) * | 2018-12-14 | 2019-02-22 | 东风商用车有限公司 | Cab turnover shaft |
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