CN203449912U - Power assembly distribution structure of long-wheelbase four-wheel drive car - Google Patents
Power assembly distribution structure of long-wheelbase four-wheel drive car Download PDFInfo
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- CN203449912U CN203449912U CN201320577281.8U CN201320577281U CN203449912U CN 203449912 U CN203449912 U CN 203449912U CN 201320577281 U CN201320577281 U CN 201320577281U CN 203449912 U CN203449912 U CN 203449912U
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- time case
- back cover
- fore shell
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- 239000000725 suspension Substances 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 7
- 229920001195 polyisoprene Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 description 8
- 206010016256 fatigue Diseases 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
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Abstract
The utility model provides a power assembly distribution structure of a long-wheelbase four-wheel drive car. The power assembly distribution structure is characterized by comprising three parts, namely a power assembly suspension system, a power assembly three-shell shell connection and a transmission shaft connection. The power assembly suspension system comprises an engine left suspension, an engine right suspension, a transmission suspension, a power divider front suspension and a power divider rear suspension. The power assembly three-shell connection, an engine shell and a transmission front shell are rigidly connected by bolts; the transmission front shell and a transmission rear shell are rigidly connected by bolts; the transmission rear shell and a translation plate are flexibly connected by an elastic rubber lining added between a bolt and a mounting hole; the translation plate and the power divider are rigidly connected by bolts; and the power divider front shell and the power divider rear shell are rigidly connected by bolts. Due to the adoption of the power assembly distribution structure, the vibration and the noise are reduced, and vibration range of amplitude of stress borne by the power assembly three shells can be greatly reduced as well, and therefore, the occurrence rate of fatigue break fault of the three shells is reduced, and the using comfort and the reliability of a vehicle are guaranteed.
Description
Technical field
The utility model relates to a kind of automotive technology, especially a dynamic assembly placement technique, specifically a kind of dynamic assembly three shells that are applicable to rely on rebounds to be connected or due to the dynamic assembly arrangement structure of the four-wheel drive car (espespecially medium-sized 4 wheel driven visitor, lorry) that dynamic assembly span that part-time case causes is longer being installed.
Background technology
As shown in Figure 2, traditional four-wheel drive car dynamic assembly connect and the arrangement that suspends in do not comprise part-time case front-suspension, and all housings all adopt bolt to be rigidly connected, all transmission shafts connect and all adopt rigid flanges coupler.Driving engine, change-speed box, rebound and part-time case are integrated into single rigid body, due to rebound and part-time case part cantilever long, cause system stiffness lower, the dynamic load moment of flexure that change-speed box back cover and rebound connecting portion bear is larger, alternation live load stress amplitude is large, and fatiguability destroys.
Summary of the invention
The purpose of this utility model is to adopt the single rear-suspending that is rigidly connected on vehicle frame, to cause cantilever long for existing four-wheel drive car dynamic assembly, cause system stiffness lower, the dynamic load moment of flexure that change-speed box back cover and rebound connecting portion bear is larger, alternation live load stress amplitude is large, the problem that fatiguability destroys, design a kind of long wheelbase four-wheel drive car dynamic assembly arrangement structure, to improve reliability of service and the traveling comfort of four-wheel drive car, especially solve the dynamic assembly vibration and the three shell fracture by fatigue phenomenons that in traditional four-wheel drive car dynamic assembly connection and suspension arrangement mode, occur.
A kind of long wheelbase four-wheel drive car dynamic assembly arrangement structure, it comprises the motor body 1 that driving engine is installed, change-speed box fore shell 2 and the change-speed box back cover 3 of change-speed box are installed, part-time case fore shell 5 and the part-time case back cover 6 of rebound 4 are installed, it is characterized in that described motor body 1 is at least suspended on vehicle frame by two suspension point, motor body 1 is rigidly connected with one end of change-speed box fore shell 2, one end of the other end of change-speed box fore shell 2 and change-speed box back cover 3 is rigidly connected, change-speed box fore shell 2 after being rigidly connected is suspended in a suspension point of vehicle frame with change-speed box back cover 3, at least two suspension point of it and motor body are suspended at the power system rigid body being comprised of driving engine and change-speed box on vehicle frame, described change-speed box back cover 3 be arranged on part-time case before rebound 4 on 5 is flexible is connected or is directly connected with part-time case fore shell 5 flexibilities, when change-speed box back cover 3 is connected with part-time case fore shell 5 is flexible by rebound 4, between one end of change-speed box back cover 3 and rebound 4, adopt flexible structure 10 to be connected, between one end of the other end of rebound 4 and part-time case fore shell 5, be rigidly connected, when change-speed box back cover 3 is directly connected with part-time case fore shell 5 is flexible, between change-speed box back cover 3 and part-time case fore shell 5, adopt flexible structure 10 to be connected, between part-time case fore shell 5 and part-time case back cover 6, adopt and be rigidly connected, described part-time case fore shell 5 and part-time case the back cover 6 all suspension point by are separately suspended on vehicle frame, rigidly connected part-time case fore shell 5 and part-time case back cover 6 form another rigid body of whole power system, between two rigid bodies, flexibly connect into an integral body, reach and reduce the single body length that is rigidly connected, reduce the object of dynamic load moment of flexure and alternation live load stress amplitude.
Described flexible structure 10 flexibly connects for the bolt with caoutchouc elasticity lining.
Between described change-speed box power take-off shaft and part-time case input shaft, adopt rubbercushioned sleeve bearing coupling 16 to be connected; All the other transmission shafts are connected and partly all adopt rigid flanges coupler to be connected.
Two suspension point of described supporting engine housing 1 are arranged symmetrically in the both sides of motor body 1.
Described is positioned at change-speed box back cover 3 near one end of part-time case fore shell 5 for supporting the suspension point of change-speed box, the suspension point of described part-time case fore shell 5 is positioned near on one end of change-speed box back cover 3, and the suspension point of described part-time case back cover 5 is positioned on the one end being connected with part-time case fore shell 5.
The beneficial effects of the utility model:
The utility model due between change-speed box back cover and rebound for flexibly connecting, dynamic assembly can form two relatively independent rigid bodies in Fig. 3, driving engine and change-speed box become the first independent rigid body, rebound and part-time case become another the second independent rigid body, between the first independent rigid body and the second independent rigid body, adopt and with the bolt of caoutchouc elasticity lining, realize flexible (semi-rigid) and be connected, the statically indeterminate problem that makes to suspend has become the statically problem of two rigid bodies.Be compared to traditional scheme, due to the more rational suspension arrangement of the utility model and the supplemental support effect flexibly connecting, the jib-length of two rigid bodies (being mainly the second independent rigid body) is obviously reduced, rigidity separately significantly improves, dynamic load moment of flexure reduces greatly, and alternation live load stress amplitude significantly reduces.Meanwhile, between change-speed box power take-off shaft and part-time case input shaft, adopt rubbercushioned sleeve bearing coupling, to compensate housing, flexibly connect relative displacement between two rigid bodies that cause, can obtain good effect.
The utility model consider economy and feasible in, guaranteed to greatest extent four-wheel drive car comfort and reliability, solved dynamic assembly vibration that traditional scheme cannot overcome and the problem of dynamic assembly three shell fracture by fatigues.
The utility model can carry out after Rational choice in the suspension members rigidity to different automobile types dynamic assembly, the statically indeterminate problem that traditional power assembly is suspended changes statically problem into, can well solve traditional power assembly connects and suspension arrangement mode cannot overcome the dynamic assembly problem of trembling, in vibration and noise reducing, can significantly reduce the variation range of the suffered stress amplitude of dynamic assembly three shell, thereby reduce the incidence of three shell fracture by fatigue faults, guarantee comfort and the reliability of vehicle.The vehicle of having gone into operation adopts this programme to change hardly three shell casting moulds, only need carry out small repairing a die to rebound casting mould, and change a part of attaching parts and coupler, has good economy and Applicable scope widely.
Accompanying drawing explanation
Fig. 1 is the structure principle chart that the utility model dynamic assembly is arranged.
Fig. 2 is the structure principle chart that existing dynamic assembly is arranged.
Fig. 3 is the schematic diagram of two equivalent rigid bodies of arrangement formation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment mono-.
As shown in Figure 1,3.
A kind of long wheelbase four-wheel drive car dynamic assembly method for arranging, first, the motor body that driving engine is installed is suspended on vehicle frame by least two points, two suspension point should be symmetrically distributed in the both sides of housing, motor body and change-speed box fore shell are rigidly connected, change-speed box back cover and change-speed box fore shell are rigidly connected simultaneously, secondly, by the rigidly connected transmission suspension of forward and backward housing on vehicle frame, the 3rd, change-speed box back cover is directly flexibly connected with part-time case fore shell and (can adopt the method for attachment that method formation flexibly connects or other is conventional of installing caoutchouc elasticity lining between bolt and mounting hole additional, this connection mode is actually semi-rigid and partly flexibly connects), and part-time case fore shell is suspended on vehicle frame, part-time case fore shell and the employing of part-time case back cover are rigidly connected simultaneously, part-time case back cover is also suspended on vehicle frame, or change-speed box back cover elder generation and rebound are flexibly connected and (can adopt the method for attachment that method formation flexibly connects or other is conventional of installing caoutchouc elasticity lining between bolt and mounting hole additional, this connection mode is actually semi-rigid and partly flexibly connects), after making again rebound and part-time case fore shell be rigidly connected, part-time case fore shell is suspended on vehicle frame, again part-time case back cover and part-time case fore shell are rigidly connected, thereby by motor body, change-speed box fore shell, change-speed box back cover, the rigid body that part-time case fore shell and part-time case back cover form is divided into two rigid bodies, as reaching, 1 rigid body in Fig. 3 and 2 rigid bodies reduce the single body length that is rigidly connected, reduce the object of dynamic load moment of flexure and alternation live load stress amplitude.As shown in Figure 1, between change-speed box power take-off shaft and part-time case input shaft, adopt rubbercushioned sleeve bearing coupling to be connected; All the other transmission shafts are connected and partly all adopt rigid flanges coupler to be connected.
Embodiment bis-.
As shown in Figure 1,3.
A kind of long wheelbase four-wheel drive car dynamic assembly arrangement structure, it comprises the motor body 1 that driving engine is installed, change-speed box fore shell 2 and the change-speed box back cover 3 of change-speed box are installed, part-time case fore shell 5 and the part-time case back cover 6 of rebound 4 are installed, described motor body 1 is at least suspended on vehicle frame by being arranged symmetrically in two suspension point of motor body both sides, motor body 1 is realized and being rigidly connected by bolt 7 with one end of change-speed box fore shell 2, one end of the other end of change-speed box fore shell 2 and change-speed box back cover 3 is realized and being rigidly connected by bolt 8, change-speed box fore shell 2 after being rigidly connected (is to be finally positioned near on one end of part-time case fore shell 5 with the suspension point that change-speed box back cover 3 is suspended at vehicle frame, as Fig. 1) on, at least two suspension point of it and motor body are suspended at the power system rigid body being comprised of driving engine and change-speed box (being equivalent to 1 rigid body in Fig. 3) on vehicle frame, described change-speed box back cover 3 adopts flexible structure 10 to be connected by rebound 4 and part-time case fore shell 5 (can adopt the method for attachment that method formation flexibly connects or other is conventional of installing caoutchouc elasticity lining between bolt and mounting hole additional, this connection mode is actually semi-rigid and partly flexibly connects), or be directly connected with part-time case fore shell 5 is flexible, when change-speed box back cover 3 is connected with part-time case fore shell 5 is flexible by rebound 4, between one end of change-speed box back cover 3 and rebound 4, adopt flexible structure 10 to be connected, between one end of the other end of rebound 4 and part-time case fore shell 5, be rigidly connected, when change-speed box back cover 3 is directly connected with part-time case fore shell 5 is flexible, between change-speed box back cover 3 and part-time case fore shell 5, adopt flexible structure 10 to be connected, between part-time case fore shell 5 and part-time case back cover 6, adopt and be rigidly connected, described part-time case fore shell 5 and part-time case the back cover 6 all suspension point by are separately suspended on vehicle frame, rigidly connected part-time case fore shell 5 and part-time case back cover 6 form another rigid body of whole power system, between two rigid bodies, flexibly connect into an integral body, reach and reduce the single body length that is rigidly connected, reduce the object of dynamic load moment of flexure and alternation live load stress amplitude.Between described change-speed box power take-off shaft and part-time case input shaft, adopt rubbercushioned sleeve bearing coupling 16 to be connected; All the other transmission shafts are connected and partly all adopt rigid flanges coupler to be connected.Described in during concrete enforcement, for supporting the suspension point of change-speed box, be positioned at change-speed box back cover 3 near one end of part-time case fore shell 5, the suspension point of described part-time case fore shell 5 is positioned near on one end of change-speed box back cover 3, and the suspension point of described part-time case back cover 5 is positioned on the one end being connected with part-time case fore shell 5.
Fig. 1 is schematic diagram of the present utility model, and it is by power assembly suspension system, and dynamic assembly three shell housings connect and transmission shaft connects three part compositions.
Dynamic assembly suspension is by engine left suspension 11; The engine right 12(that suspends is positioned at shown position engine left suspension 11 dead aft symmetric positions, and engine mounting point is no less than 2, comprises 2); Transmission suspension point 13; Part-time case front-suspension point 14; Part-time case rear-suspending point 15 forms.
Dynamic assembly three shells connect, and motor body 1 adopts bolt to be rigidly connected 7 with change-speed box fore shell 2; Change-speed box fore shell 2 adopts bolt to be rigidly connected 8 with change-speed box back cover 3; Change-speed box back cover 3 and rebound 4 install caoutchouc elasticity lining additional and form the form that flexibly connects that flexibly connects 10(or other application types between bolt and mounting hole); Between part-time case fore shell 5 and part-time case back cover 6, adopt bolt to be rigidly connected 9.
Transmission shaft connects, and adopts rubbercushioned sleeve bearing coupling 4(or other application type elastic couplings between change-speed box power take-off shaft and part-time case input shaft); All the other transmission shafts part that is connected all adopts rigid flanges coupler (or other application type fast couplings, do not express on figure).
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Embodiment recited above and accompanying drawing are only that preferred implementation of the present utility model is described; not design of the present utility model and scope are limited; do not departing under the utility model design concept prerequisite; various modification and improvement that in this area, common engineering staff make the technical solution of the utility model; all should fall into protection domain of the present utility model, the technology contents that the utility model is asked for protection is all documented in claims.
Claims (5)
1. a long wheelbase four-wheel drive car dynamic assembly arrangement structure, it comprises the motor body (1) that driving engine is installed, change-speed box fore shell (2) and the change-speed box back cover (3) of change-speed box are installed, part-time case fore shell (5) and the part-time case back cover (6) of rebound (4) are installed, it is characterized in that described motor body (1) is at least suspended on vehicle frame by two suspension point, motor body (1) is rigidly connected with one end of change-speed box fore shell (2), one end of the other end of change-speed box fore shell (2) and change-speed box back cover (3) is rigidly connected, change-speed box fore shell (2) after being rigidly connected is suspended in a suspension point of vehicle frame with change-speed box back cover (3), at least two suspension point of it and motor body are suspended at the power system rigid body being comprised of driving engine and change-speed box on vehicle frame, described change-speed box back cover (3) be arranged on before part-time case that the rebound on (5) (4) flexibly connects or be directly connected with part-time case fore shell (5) flexibility, when change-speed box back cover (3) is connected by rebound (4) and part-time case fore shell (5) are flexible, between one end of change-speed box back cover (3) and rebound (4), adopt flexible structure (10) to be connected, between the other end of rebound (4) and one end of part-time case fore shell (5), be rigidly connected, when change-speed box back cover (3) is directly connected with part-time case fore shell (5) is flexible, between change-speed box back cover (3) and part-time case fore shell (5), adopt flexible structure (10) to be connected, between part-time case fore shell (5) and part-time case back cover (6), adopt and be rigidly connected, described part-time case fore shell (5) and part-time case back cover (6) all suspension point by are separately suspended on vehicle frame, rigidly connected part-time case fore shell (5) and part-time case back cover (6) form another rigid body of whole power system, between two rigid bodies, flexibly connect into an integral body, reach and reduce the single body length that is rigidly connected, reduce the object of dynamic load moment of flexure and alternation live load stress amplitude.
2. structure according to claim 1, is characterized in that described flexible structure (10) flexibly connects for the bolt with caoutchouc elasticity lining.
3. structure according to claim 1, is characterized in that adopting rubbercushioned sleeve bearing coupling (16) to be connected between described change-speed box power take-off shaft and part-time case input shaft; All the other transmission shafts are connected and partly all adopt rigid flanges coupler to be connected.
4. structure according to claim 1, is characterized in that two suspension point of described supporting engine housing (1) are arranged symmetrically in the both sides of motor body (1).
5. structure according to claim 1, it is characterized in that described for supporting the suspension point of change-speed box, being positioned at change-speed box back cover (3) near one end of part-time case fore shell (5), the suspension point of described part-time case fore shell (5) is positioned near on one end of change-speed box back cover (3), and the suspension point of described part-time case back cover (5) is positioned on the one end being connected with part-time case fore shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577281.8U CN203449912U (en) | 2013-09-18 | 2013-09-18 | Power assembly distribution structure of long-wheelbase four-wheel drive car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577281.8U CN203449912U (en) | 2013-09-18 | 2013-09-18 | Power assembly distribution structure of long-wheelbase four-wheel drive car |
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| Publication Number | Publication Date |
|---|---|
| CN203449912U true CN203449912U (en) | 2014-02-26 |
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|---|---|---|---|
| CN201320577281.8U Expired - Lifetime CN203449912U (en) | 2013-09-18 | 2013-09-18 | Power assembly distribution structure of long-wheelbase four-wheel drive car |
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| CN (1) | CN203449912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448525A (en) * | 2013-09-18 | 2013-12-18 | 南京工业大学 | Arrangement method and structure of power assembly for long-wheelbase four-wheel-drive automobile |
-
2013
- 2013-09-18 CN CN201320577281.8U patent/CN203449912U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448525A (en) * | 2013-09-18 | 2013-12-18 | 南京工业大学 | Arrangement method and structure of power assembly for long-wheelbase four-wheel-drive automobile |
| CN103448525B (en) * | 2013-09-18 | 2015-11-11 | 南京工业大学 | Long wheelbase four-wheel drive car dynamic assembly method for arranging and structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20151111 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20151111 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |