CN207931486U - The mounting structure of automobile power assembly intermediate propeller shaft - Google Patents
The mounting structure of automobile power assembly intermediate propeller shaft Download PDFInfo
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- CN207931486U CN207931486U CN201721864219.1U CN201721864219U CN207931486U CN 207931486 U CN207931486 U CN 207931486U CN 201721864219 U CN201721864219 U CN 201721864219U CN 207931486 U CN207931486 U CN 207931486U
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- power assembly
- support block
- bearing support
- bearing
- propeller shaft
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Abstract
The utility model discloses a kind of mounting structures of automobile power assembly intermediate propeller shaft, this mounting structure includes intermediate transmission shaft body, power assembly speed reducer and bearing support block, bearing support block is secured by bolts in the rear end cap of power assembly speed reducer, the mounting hole aperture of bearing support block is more than 2~3mm of the diameter of bolt, the output spline installation place of power assembly speed reducer is equipped with positioning spigot, intermediate transmission shaft body is set in the bearing hole of bearing support block and the output spline reference circle of power assembly speed reducer and is positioned by positioning spigot, the spline of intermediate transmission shaft body is inserted into the output spline reference circle of power assembly retarder.This mounting structure overcomes the defect of traditional intermediate propeller shaft installation, and installation exercise is convenient, effectively improves installation effectiveness and assembly precision, it is ensured that the power transmission performance of vehicle.
Description
Technical field
The utility model is related to a kind of mounting structures of automobile power assembly intermediate propeller shaft.
Background technology
In automobile power assembly transmission system, when transmission shaft is long, intrinsic frequency can be very low, easy tos produce resonance,
Therefore two sections are often divided into, and intermediate supports are added, leading portion is known as intermediate propeller shaft, and back segment is known as main shaft.In conventional
Between transmission shaft support mostly use honeycomb cushion type intermediate supports, and be installed on frame cross or body understructure, by bee
The elastic reaction of nest shape rubber pad, to compensate the axial installation error and vehicle travel process with angle direction of intermediate propeller shaft
In due to engine play or vehicle frame etc. deform caused by displacement.Usual intermediate propeller shaft must be installed on vehicle in power assembly
It can just be assembled after frame so that the difficult to install of intermediate propeller shaft, efficiency are low, and assembly precision is not easy to control, in easily making
Between transmission shaft there is the problem of beat, influence the power transmission performance of vehicle.
Invention content
The technical problem to be solved by the utility model is to provide a kind of installation knots of automobile power assembly intermediate propeller shaft
Structure, this mounting structure overcome the defect of traditional intermediate propeller shaft installation, and installation exercise is convenient, effectively improve installation effectiveness and
Assembly precision, it is ensured that the power transmission performance of vehicle.
In order to solve the above technical problems, the mounting structure of the utility model automobile power assembly intermediate propeller shaft includes centre
It is driven shaft body, power assembly speed reducer and bearing support block, it is total that the bearing support block is secured by bolts in the power
At the rear end cap of speed reducer, the mounting hole aperture of the bearing support block is more than 2~3mm of the diameter of bolt, and the power assembly subtracts
The output spline installation place of fast machine is equipped with positioning spigot, and the intermediate transmission shaft body is set to the bearing hole of the bearing support block
And it is positioned in the output spline reference circle of power assembly speed reducer and by the positioning spigot, the intermediate propeller shaft sheet
The spline of body is inserted into the output spline reference circle of the power assembly retarder.
Further, this mounting structure further includes clamp spring, and the clamp spring is set in the bearing support block axis for being used for bearing
To limit.
Further, the positioning spigot length is more than 15mm.
Further, the gap between the mounting hole and bolt of the bearing support block be adjust bearing support block closed loop between
Gap.
Further, the axis that the bearing support block is overlapped there are one with the axis theory of positioning spigot in closed loop gap
Line, and the bearing hole of the bearing support block and the centreline space of the output spline reference circle of the power assembly speed reducer are managed
By maximum angle in the permitted angular range of bearing of bearing support block.
Since the mounting structure of the utility model automobile power assembly intermediate propeller shaft uses above-mentioned technical proposal, i.e., originally
Mounting structure includes that intermediate transmission shaft body, power assembly speed reducer and bearing support block, bearing support block are bolted
It is more than 2~3mm of the diameter of bolt in the mounting hole aperture of the rear end cap of power assembly speed reducer, bearing support block, power assembly subtracts
The output spline installation place of fast machine is equipped with positioning spigot, and intermediate transmission shaft body is set to the bearing hole and power of bearing support block
It is positioned in the output spline reference circle of assembly speed reducer and by positioning spigot, the spline of intermediate transmission shaft body is inserted into power
In the output spline reference circle of assembly retarder.This mounting structure overcomes the defect of traditional intermediate propeller shaft installation, installation
Operation is convenient, effectively improves installation effectiveness and assembly precision, it is ensured that the power transmission performance of vehicle.
Description of the drawings
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the mounting structure schematic diagram of the utility model automobile power assembly intermediate propeller shaft；
Fig. 2 is the A of Fig. 1 to schematic diagram；
Fig. 3 is the diagrammatic cross-section that intermediate propeller shaft is installed in this mounting structure.
Specific implementation mode
Embodiment is as shown in Figure 1, Figure 2 and Figure 3, the mounting structure packet of the utility model automobile power assembly intermediate propeller shaft
Intermediate transmission shaft body 1, power assembly speed reducer 2 and bearing support block 3 are included, the bearing support block 3 is fixed by bolt 31
In the rear end cap of the power assembly speed reducer 2, the mounting hole aperture of the bearing support block 3 be more than 31 diameter 2 of bolt~
The output spline installation place of 3mm, the power assembly speed reducer 2 are equipped with positioning spigot 21, and the intermediate transmission shaft body 1 is set to
In the bearing hole of the bearing support block 3 and the output spline reference circle of power assembly speed reducer 2 and pass through the positioning
Seam allowance 21 positions, and the spline 11 of the intermediate transmission shaft body 1 is inserted into the output spline reference circle of the power assembly retarder 2
In.
Preferably, this mounting structure further includes clamp spring 32, and the clamp spring 32, which is set in the bearing support block 3, is used for bearing
33 axial limiting.
Preferably, 21 length of the positioning spigot is more than 15mm.
Preferably, the gap between the mounting hole of the bearing support block 3 and bolt 31 is to adjust closing for bearing support block 3
Czermak space.
Preferably, the bearing support block 3 is overlapped there are one with the axis theory of positioning spigot 21 in closed loop gap
Axis, and the center of the output spline reference circle of the bearing hole of the bearing support block 3 and the power assembly speed reducer 2
Theoretical maximum angle is in the permitted angular range of bearing of bearing support block 3 between line.
Bearing support block is directly secured by bolts on power assembly speed reducer by this mounting structure, to not started
The caused Influence of Displacement of the deformation such as machine play or vehicle frame, the mounting hole of bearing support block is bigger than the nominal diameter of bolt by 2~
3mm has certain closed loop gap to ensure bearing support block when mounted, speed reducer output spline at design one 15mm with
The positioning spigot of upper length, making bearing support block, there are a bearing axially bored line and positioning spigot axis are theoretical in closed loop gap
The axis of coincidence so that the bearing hole of bearing support block and the theoretical maximum angle of output spline reference circle center line are in bearing branch
In the permitted angular range of bearing for supportting seat, after ensureing intermediate supports installation, intermediate propeller shaft flexible rotation, without interim card.
Clamp spring progress axial limiting is arranged in the bearing position of intermediate propeller shaft in the bearing hot jacket of bearing support block in bearing support block；
By the positioning of positioning spigot, this structure is directly mounted on power assembly system, while the spline of intermediate propeller shaft being inserted
Enter in retarder, completes the installation of intermediate propeller shaft.The fixing bolt coated thread fastening agent of bearing support block, and wanted by torsion
It asks and tightens bolt.Intermediate propeller shaft is rotated, confirms that intermediate propeller shaft rotates flexibly, without interim card；Finally by power assembly, intermediate biography
Moving axis, bearing support block are installed together to vehicle frame suspension.
Intermediate propeller shaft and its support component can be first installed on power assembly system by this mounting structure, and can be turned
Dynamic intermediate propeller shaft is installed on to determine the reliability and ride comfort of installation, then by it in vehicle frame suspension together；This installation procedure
Easily operated, quality is easy to control, and pipeline system is facilitated to assemble, and improves packaging efficiency and quality.In intermediate propeller shaft and deceleration
Positioning spigot, mechanical guarantee intermediate propeller shaft and retarder output spline indexing are used between the connecting link of machine output spline
Position degree between circle, to improve installation accuracy, and it is easily controllable, it is not easy to be influenced by human factor, it is suitable for mass production,
Product qualification rate is high.Bearing support block eliminates the structure of honeycombed rubber pad, therefore reduces the support volume of intermediate propeller shaft,
Mitigate weight, it is simple in structure, it is of low cost.
Claims (5)
1. a kind of mounting structure of automobile power assembly intermediate propeller shaft, including intermediate transmission shaft body and power assembly slow down
Machine, it is characterised in that：Further include bearing support block, the bearing support block is secured by bolts in the power assembly speed reducer
Rear end cap, the mounting hole aperture of the bearing support block is more than 2~3mm of the diameter of bolt, the power assembly speed reducer it is defeated
Go out spline installation place and be equipped with positioning spigot, the intermediate transmission shaft body is set to the bearing hole and power of the bearing support block
It is positioned in the output spline reference circle of assembly speed reducer and by the positioning spigot, the spline of the intermediate transmission shaft body
It is inserted into the output spline reference circle of the power assembly retarder.
2. the mounting structure of automobile power assembly intermediate propeller shaft according to claim 1, it is characterised in that：This installation is tied
Structure further includes clamp spring, and the clamp spring is set in the bearing support block axial limiting for being used for bearing.
3. according to the mounting structure of the automobile power assembly intermediate propeller shaft described in claim 1, it is characterised in that：It is described fixed
Position seam allowance length is more than 15mm.
4. the mounting structure of automobile power assembly intermediate propeller shaft according to claim 1, it is characterised in that：The bearing
Gap between the mounting hole and bolt of support base is the closed loop gap for adjusting bearing support block.
5. the mounting structure of automobile power assembly intermediate propeller shaft according to claim 4, it is characterised in that：The bearing
The axis that support base is overlapped there are one with the axis theory of positioning spigot in closed loop gap, and the bearing support block
The centreline space theoretical maximum angle of the output spline reference circle of bearing hole and the power assembly speed reducer is in bearing support block
The permitted angular range of bearing in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864219.1U CN207931486U (en) | 2017-12-27 | 2017-12-27 | The mounting structure of automobile power assembly intermediate propeller shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864219.1U CN207931486U (en) | 2017-12-27 | 2017-12-27 | The mounting structure of automobile power assembly intermediate propeller shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207931486U true CN207931486U (en) | 2018-10-02 |
Family
ID=63647148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864219.1U Active CN207931486U (en) | 2017-12-27 | 2017-12-27 | The mounting structure of automobile power assembly intermediate propeller shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207931486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251062A (en) * | 2021-05-28 | 2021-08-13 | 山东创新板材有限公司 | Drive operation device and installation method |
| CN114987116A (en) * | 2022-05-25 | 2022-09-02 | 银川威力传动技术股份有限公司 | Be applied to semi-axis bearing structure of new forms of energy power assembly unification more |
-
2017
- 2017-12-27 CN CN201721864219.1U patent/CN207931486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251062A (en) * | 2021-05-28 | 2021-08-13 | 山东创新板材有限公司 | Drive operation device and installation method |
| CN114987116A (en) * | 2022-05-25 | 2022-09-02 | 银川威力传动技术股份有限公司 | Be applied to semi-axis bearing structure of new forms of energy power assembly unification more |
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