CN203496613U - Transverse connecting plate balance shaft assembly - Google Patents
Transverse connecting plate balance shaft assembly Download PDFInfo
- Publication number
- CN203496613U CN203496613U CN201320591914.0U CN201320591914U CN203496613U CN 203496613 U CN203496613 U CN 203496613U CN 201320591914 U CN201320591914 U CN 201320591914U CN 203496613 U CN203496613 U CN 203496613U
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- CN
- China
- Prior art keywords
- balance shaft
- connecting plate
- shaft
- support
- shaft assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to the engineering vehicle balance shaft field, and specifically relates to a balance shaft assembly provided with a connecting plate. A transverse connecting plate balance shaft assembly comprises a balance shaft, two ends of the balance shaft are respectively provided with supports, and outer sides of the supports are respectively provided with shaft casings; and a thrust seat at the bottom of an inner side of each support is provided with a boss, the connecting plate is connected on the bosses of the supports, and an enclosed space frame is formed between the connecting plate and the balance shaft. The transverse connecting plate balance shaft assembly is fixed with a vehicle frame body through base plates of the supports and the shaft casings and the like, and the shaft casings can move relative to the balance shaft. Load-carrying force of a vehicle body is transmitted to the shaft casings by the vehicle frame body through plate springs, and the shaft casings swing relative to the balance shaft due to vibrations of the plate springs; and when road conditions are bad, the shaft casings can vibrate up and down on the balance shaft along with up-down vibrations of the plate springs, the load-carrying force of the vehicle body is transmitted to the base plates of the supports by the vehicle frame body through an intermediate support, and therefore part of the load of the vehicle frame body can be borne by the balance shaft.
Description
Technical field
The utility model belongs to engineering truck balance shaft field, relates in particular a kind of balance shaft assembly that is provided with connecting panel.
Background technology
STR balance shaft assembly structure was in the market introduced from Austria from the eighties in last century, yet along with China's economy increases rapidly, engineering special vehicle is towards large-scale and heavy development, traditional utilization pin anchor shaft and the balance shaft mounting means of support can not meet existing technical requirements, utilize the balance shaft of pin anchor shaft and support owing to there being gap between the two, the back pressure bar application force of going forward on the rugged road surface of jolting is larger, car load load-carrying overload, add that the power that left and right propelling rod is carried on the thrust bearing of left and right is inhomogeneous, whole balance shaft assembly distortion is pullled, set pin is cut off, support base plate place cracking even happens occasionally in faults such as thrust bearing place are pulled off, so this kind of traditional balance shaft structure can not meet engineering truck complex working condition demand already, in addition, engineering truck balance shaft assembly working environment is all more severe now, due to oil sealing end face be directly exposed to airborne, cause dust and muddy water to be easier to enter into oil sealing cutting edge, oil sealing cutting edge is scratched and premature failure.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of without set pin, that be difficult for et out of order, to be provided with cross connecting plate balance shaft assembly.
For solving the problems of the technologies described above, the utility model provides a kind of cross connecting plate balance shaft assembly, comprise balance shaft, described balance shaft two ends are provided with support, described support outside is provided with axle housing, on described support inside bottom thrust bearing, be provided with boss, on the boss of described support, be connected with connecting panel, between described connecting panel and balance shaft, form a closed space frame.
Preferably, between described support and axle housing, be provided with dust boot.
Preferably, described dust boot one end coated stent cylindrical, other end parcel axle housing cylindrical.
Preferably, between described balance shaft and support, adopt interference fit to be connected.
Preferably, be provided with a tapped bore and two bolts hole on described boss, a described tapped bore and two bolts hole form one and take the equicrural triangle that tapped bore is summit, and described two bolts hole are arranged near connecting panel edge.
Adopt the beneficial effect of technique scheme to have:
1, balance shaft adopts hot interference fit to be connected with support, very close to each other between balance shaft and support, and area of contact increases, and the transmission of exerting all one's strength is more rationally more even, increases the reliability connecting, and has solved the problem that axle wearing and tearing, pin are cut off.
2, at place, support thrust bearing inner side, increase boss and connect two end supports by cross connecting plate, add a closed frame of the inner formation of connecting panel back balance axle assembly, support is as the higher single-piece of fault rate, can effect power thereon be shifted by cross connecting plate by this connection mode, greatly reduce the stressed of support part, thereby reduce the danger of support fracture, reduce maintenance cost.
3, support is connected with connecting panel with 2 bolts hole by 1 tapped bore, and tapped bore and bolt hole form one and take the equicrural triangle of tapped bore as fixed point, precise placement by tapped bore effectively prevents that connecting panel is loosening and causes the transmission of power to be lost efficacy, and exert all one's strength and concentrate on the face of boss, avoid stress to concentrate.
4, increase dust boot, one end is stuck in support cylindrical, and open on axle housing cylindrical one end, avoids oil sealing port directly to contact with air, reduces muddy water and greasy dirt and enters into oil sealing cutting edge, improves the service life of oil sealing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of cross connecting plate balance shaft assembly of the utility model,
Wherein, 1, balance shaft, 2, support, 3, axle housing, 4, boss, 5, connecting panel, 6, tapped bore, 7, bolt hole, 8, dust boot.
The specific embodiment
Below in conjunction with Figure of description, the technical solution of the utility model and structure are described, so that those skilled in the art understand.
As shown in Figure 1, a kind of cross connecting plate balance shaft assembly, comprise balance shaft 1, described balance shaft 1 two ends are provided with support 2, described support 2 outsides are provided with axle housing 3, on described support 2 inside bottom thrust bearings, on thrust bearing, be provided with boss 4, on the boss 4 of described support 2, be connected with connecting panel 5,1 of described connecting panel 5 and balance shaft form a closed space frame.
Between described support 2 and axle housing 3, be provided with dust boot 8.
Described dust boot 8 one end coated stent 2 cylindricals, other end parcel axle housing 3 cylindricals.
Described balance shaft 1 adopts interference fit to be connected with 2, support.
On described boss 4, be provided with a tapped bore 6 and two bolts hole 7, a described tapped bore 6 and two bolts hole 7 form one and take the equicrural triangle that tapped bore 6 is summit, and described two bolts hole 7 are arranged near connecting panel 5 edges.
Cross connecting plate balance shaft assembly is connected and fixed by base plate, front-rear axle thrust bearing, axle housing three parts and the vehicle frame body of support, and axle housing is connected with balance shaft by bearing, and axle housing can be taken exercises with respect to balance shaft.
Bearing between axle housing is connected with balance shaft is lubricated by being added in gear oil on axle housing, makes bearing enclose there will not be locking phenomenon, and being arranged at oil sealing on axle housing and the effect of end cap is that gear oil is not revealed.
Vehicle frame body is delivered to the carrying force of vehicle body on axle housing by leaf spring, axle housing swings with respect to balance shaft because of the vibrations of leaf spring, while there is the bad situation of road conditions, axle housing can be made in the bob of leaf spring the vertical tremor on balance shaft, vehicle frame body is delivered to the carrying force of vehicle body on the base plate of support by midship mounting simultaneously, make a part of load of balance shaft carrying vehicle frame body, and it is also the same time, front-rear axle is acted on balance shaft and is made balance shaft and front-rear axle formation interlock integral body make front-rear axle load be evenly distributed simultaneously by propelling rod, thereby make balance shaft and front-rear axle form the suspended structure of organic integrated support vehicle body load.
Above-mentionedly by reference to the accompanying drawings utility model is exemplarily described; obviously the utility model specific implementation is not subject to the restrictions described above; as long as this non-essential improvement that has adopted method design of the present utility model and technical scheme to carry out; or without improving, the design of utility model and technical scheme are directly applied to other occasions, all within protection domain of the present utility model.
Claims (5)
1. a cross connecting plate balance shaft assembly, comprise balance shaft, it is characterized in that: described balance shaft two ends are provided with support, described support outside is provided with axle housing, on described support inside bottom thrust bearing, be provided with boss, on the boss of described support, be connected with connecting panel, between described connecting panel and balance shaft, form a closed space frame.
2. a kind of cross connecting plate balance shaft assembly according to claim 1, is characterized in that: between described support and axle housing, be provided with dust boot.
3. a kind of cross connecting plate balance shaft assembly according to claim 2, is characterized in that: described dust boot one end coated stent cylindrical, other end parcel axle housing cylindrical.
4. a kind of cross connecting plate balance shaft assembly according to claim 1, is characterized in that: between described balance shaft and support, adopt interference fit to be connected.
5. a kind of cross connecting plate balance shaft assembly according to claim 1, it is characterized in that: on described boss, be provided with a tapped bore and two bolts hole, a described tapped bore and two bolts hole form one and take the equicrural triangle that tapped bore is summit, and described two bolts hole are arranged near connecting panel edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591914.0U CN203496613U (en) | 2013-09-25 | 2013-09-25 | Transverse connecting plate balance shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591914.0U CN203496613U (en) | 2013-09-25 | 2013-09-25 | Transverse connecting plate balance shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203496613U true CN203496613U (en) | 2014-03-26 |
Family
ID=50327614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320591914.0U Expired - Lifetime CN203496613U (en) | 2013-09-25 | 2013-09-25 | Transverse connecting plate balance shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203496613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507589A (en) * | 2013-09-25 | 2014-01-15 | 安徽安凯金达机械制造有限公司 | Balance shaft assembly with transverse connection plate |
-
2013
- 2013-09-25 CN CN201320591914.0U patent/CN203496613U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507589A (en) * | 2013-09-25 | 2014-01-15 | 安徽安凯金达机械制造有限公司 | Balance shaft assembly with transverse connection plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |