CN201116068Y - Balance suspension of load-carrying vehicle - Google Patents
Balance suspension of load-carrying vehicle Download PDFInfo
- Publication number
- CN201116068Y CN201116068Y CNU2007200880261U CN200720088026U CN201116068Y CN 201116068 Y CN201116068 Y CN 201116068Y CN U2007200880261 U CNU2007200880261 U CN U2007200880261U CN 200720088026 U CN200720088026 U CN 200720088026U CN 201116068 Y CN201116068 Y CN 201116068Y
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- Prior art keywords
- shaft
- connection
- shaft support
- balance shaft
- balance
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Abstract
A balance suspension of a truck is formed by connecting a left balance shaft bracket, a right balance shaft bracket, a left half shaft, a right half shaft, a communication shaft and a balance bearing hub, wherein the communication shaft is an integral hollow pipe fitting; the outer ends of the left and right balance shaft brackets, which are combined with the communicating shaft, are provided with connecting holes which penetrate through the balance shaft brackets and the communicating shaft, the two ends of the communicating shaft, which extend out of the left and right balance shaft brackets, are respectively fixed with a connecting bracket, and the thrust rod realizes a semi-support connecting structure through the penetrating connecting holes and the connecting brackets. In the running process of the vehicle, the driving axle directly transmits the reaction force to the balance shaft bracket through the thrust rod, so that the reliability of the balance suspension device at the position is ensured. The communicating shaft adopts a hollow pipe structure, thereby saving materials and reducing cost.
Description
Technical field
The utility model relates to the bogie balance suspension.
Background technology
Existing bogie balance suspension structure is described as in conjunction with Fig. 1: 1, semiaxis and balance shaft support 1 bonded assembly axle journal 2a, different with the leading dimensions of equalizer bearing hub 8 bonded assembly axle journal 2b, semiaxis is the stepped shaft structure of reducing, after semiaxis axle journal 2a and the balance shaft support connecting bore free-running fit, adding end cap 7 and screw is fastenedly connected it, it exists big reducing stepped shaft to be prone to quench crack when electro-high-frequency hardening, the transition number of parts that connects semiaxis and balance bracing strut is many, increase cost, simultaneously the fitting process complexity.2. in the middle of left and right balance shaft support, connect by connection shaft 4, connection shaft 4 is fixed on the balance shaft support 1 by a watt female cap plate 5, locating dowel pin 6, the two ends that connection shaft 4 extends left and right balance shaft support are fixed with connection support 3, propelling rod is connected and connects on the support 3, be that cantilevered connects, application force is delivered to the balance shaft support by connection shaft, finally acts on the vehicle frame, and tooling cost height, reliability are low; In addition, connection shaft 4 is three stage structures, is welded as a whole by the hollow shaft pipeline section 4a between the left and right balance shaft support, the solid axle 4b at two ends, easily produce stress concentration in the commissure, connection shaft 4 is cracked herein, cause connection shaft 4 to lose efficacy, influence safety.
Summary of the invention
For the propelling rod that connects vehicle bridge the communicating pipe that solves existing balance suspension is that cantilevered connects, reliability is low, and the problem that tooling cost is high the utility model proposes a kind of bogie balance suspension that improves structure.
For this reason, the technical solution of the utility model is: the bogie balance suspension, by left and right balance shaft support, left and right half, connection shaft, equalizer bearing hub connect and compose, it is characterized in that: described connection shaft is whole hollow pipe fitting, the position of connection shaft between left and right balance shaft support is bend pipe, and connection shaft extends left and right balance shaft support by the groove of left and right balance shaft support lower end, and connection shaft is fixed by watt female cap plate and left and right balance shaft support; Be provided with the connecting bore that connects balance shaft support and connection shaft in the outer end that left and right balance shaft support combines with connection shaft, two ends outside connection shaft extends left and right balance shaft support also are fixed with the connection support respectively, and propelling rod is realized half support and connection structure by the connecting bore, the connection support that connect.
To technique scheme, can further optimize left and right plate axle and being connected of left and right balance shaft support, specific as follows: left and right half is consistent with the leading dimensions of the connection axle journal of left and right balance shaft support and equalizer bearing hub, inboard in left and right half is provided with locating shoulder, left and right half is joined with the connecting bore interference of left and right balance shaft support and is connected, and the locating shoulder of the inboard of left and right half is close on the connecting bore inner end surface of left and right balance shaft support.
The beneficial effects of the utility model are described below:
Propelling rod of the present utility model is installed and has been selected half supporting construction, simultaneously an employing watt female cap is connected between connection shaft and the balance shaft support, half supporting construction guarantees the support strength of propelling rod, watt female cap connect guarantee between communicating pipe and the balance shaft support be connected reliable, guarantee in the vehicle ' process, drive vehicle bridge and antagonistic force is directly passed to the balance shaft support, reduced the middle transition link, thereby guaranteed the reliability of equalizing-suspension device at this position by propelling rod.On the other hand, connection shaft adopts tubular structure, and both economical with materials had reduced cost, can satisfy the intensity of assembly and the requirement of locus again.
When left and right half is consistent with the leading dimensions of the connection axle journal of left and right balance shaft support and equalizer bearing hub, can avoid the quench crack when electro-high-frequency hardening, guarantee the intensity of axle; When left and right half was connected with the connecting bore interference fit of left and right balance shaft support, there was not the transition part in semiaxis with being connected of balance shaft support, and simple, cost reduction is installed.
Description of drawings
Fig. 1 is the structural representation of existing balance suspension.
Fig. 2 is a structural representation of the present utility model.
The specific embodiment
Bogie balance suspension as shown in Figure 2, by left and right balance shaft support 18,10, left and right half 19,12, connection shaft 14, left and right equalizer bearing hub 17,11 connects and composes.Described connection shaft 14 is whole hollow pipe fittings, and the position of connection shaft 14 between left and right balance shaft support 18,10 is bend pipe.
Below in conjunction with Fig. 2 annexation between right axle shaft 12, right balance shaft support 10, connection shaft 14, the right equalizer bearing hub 11 is described.Connection shaft 14 extends right balance shaft support 10 by the groove of right balance shaft support 10 lower ends, and connection shaft 14 is fixed by watt female cap plate 16 and right balance shaft support 10; Be provided with the connecting bore 15 that connects balance shaft support 10 and connection shaft 14 in the outer end that right balance shaft support 10 combines with connection shaft 14, end outside connection shaft 14 extends right balance shaft support is fixed with and connects support 13, and propelling rod is realized half support and connection structure by the connecting bore 15, the connection support 13 that connect.By half support and connection structure of propelling rod, guarantee in the vehicle ' process, drive vehicle bridge and antagonistic force is directly passed to the balance shaft support by propelling rod, reduced the middle transition link, thereby guaranteed the reliability of equalizing-suspension device at this position.Connection shaft adopts tubular structure, and both economical with materials had reduced cost, can satisfy the intensity of assembly and the requirement of locus again.
As shown in Figure 2, the leading dimensions of the connection axle journal 12b of right axle shaft 12 and right balance shaft support and the connection axle journal 12a of equalizer bearing hub is consistent, is provided with locating shoulder 12c in the inboard of right axle shaft.The connection axle journal 12b of right axle shaft joins with the connecting bore interference of right balance shaft support 10 and is connected, and the locating shoulder 12c of right axle shaft is close on the connecting bore inner end surface of right balance shaft support 10.There is not the transition part in right axle shaft with being connected of balance shaft support, simple, cost reduction is installed, thereby balance suspension is further optimized.
As shown in Figure 2, left-half annexation and right half part symmetry between left half axle 19, left balance shaft support 18, connection shaft 14, the left equalizer bearing hub 17, the mounting structure of propelling rod is also identical, is not repeated in this description at this.
Claims (2)
1, bogie balance suspension, by left and right balance shaft support, left and right half, connection shaft, equalizer bearing hub connect and compose, it is characterized in that: described connection shaft is whole hollow pipe fitting, the position of connection shaft between left and right balance shaft support is bend pipe, connection shaft extends left and right balance shaft support by the groove of left and right balance shaft support lower end, and connection shaft is fixed by watt female cap plate and left and right balance shaft support; Be provided with the connecting bore that connects balance shaft support and connection shaft in the outer end that left and right balance shaft support combines with connection shaft, two ends outside connection shaft extends left and right balance shaft support also are fixed with the connection support respectively, and propelling rod is realized half support and connection structure by the connecting bore, the connection support that connect.
2, bogie balance suspension according to claim 1, it is characterized in that: described left and right half is consistent with the leading dimensions of the connection axle journal of left and right balance shaft support and equalizer bearing hub, inboard in left and right half is provided with locating shoulder, left and right half is joined with the connecting bore interference of left and right balance shaft support and is connected, and the locating shoulder of the inboard of left and right half is close on the connecting bore inner end surface of left and right balance shaft support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880261U CN201116068Y (en) | 2007-11-02 | 2007-11-02 | Balance suspension of load-carrying vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200880261U CN201116068Y (en) | 2007-11-02 | 2007-11-02 | Balance suspension of load-carrying vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201116068Y true CN201116068Y (en) | 2008-09-17 |
Family
ID=39990640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200880261U Expired - Fee Related CN201116068Y (en) | 2007-11-02 | 2007-11-02 | Balance suspension of load-carrying vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201116068Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102171473A (en) * | 2008-10-02 | 2011-08-31 | Zf腓特烈斯哈芬股份公司 | Hollow shaft connection device |
| CN102211503A (en) * | 2011-05-27 | 2011-10-12 | 东风汽车股份有限公司 | Coupling of composite structure |
| CN102923193A (en) * | 2012-11-22 | 2013-02-13 | 陕西重型汽车有限公司 | Rear balanced suspension frame system of heavy-duty car |
| CN103009957A (en) * | 2013-01-18 | 2013-04-03 | 中恒通(福建)机械制造有限公司 | Cargo truck balanced suspension assembly |
-
2007
- 2007-11-02 CN CNU2007200880261U patent/CN201116068Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102171473A (en) * | 2008-10-02 | 2011-08-31 | Zf腓特烈斯哈芬股份公司 | Hollow shaft connection device |
| CN102211503A (en) * | 2011-05-27 | 2011-10-12 | 东风汽车股份有限公司 | Coupling of composite structure |
| CN102211503B (en) * | 2011-05-27 | 2013-01-23 | 东风汽车股份有限公司 | Coupling of composite structure |
| CN102923193A (en) * | 2012-11-22 | 2013-02-13 | 陕西重型汽车有限公司 | Rear balanced suspension frame system of heavy-duty car |
| CN102923193B (en) * | 2012-11-22 | 2015-09-09 | 陕西重型汽车有限公司 | Heavy motor vehicle back balance suspension system |
| CN103009957A (en) * | 2013-01-18 | 2013-04-03 | 中恒通(福建)机械制造有限公司 | Cargo truck balanced suspension assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20151102 |
|
| EXPY | Termination of patent right or utility model |