CN202896696U - Expansion-shrinkage mechanical structure of double-expansion car - Google Patents
Expansion-shrinkage mechanical structure of double-expansion car Download PDFInfo
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- CN202896696U CN202896696U CN 201220361395 CN201220361395U CN202896696U CN 202896696 U CN202896696 U CN 202896696U CN 201220361395 CN201220361395 CN 201220361395 CN 201220361395 U CN201220361395 U CN 201220361395U CN 202896696 U CN202896696 U CN 202896696U
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Abstract
The utility model discloses an expansion-shrinkage mechanical structure of a double-expansion car. The double-expansion car comprises a main box body, a first expansion-shrinkage box body and a second expansion-shrinkage box body. The expansion-shrinkage mechanical structure comprises an expansion-shrinkage power device and an expansion-shrinkage guide device, wherein the expansion-shrinkage power device comprises gear rack mechanisms; the gear rack mechanisms are respectively and fixedly arranged at the bottoms of the first expansion-shrinkage box body and the second expansion-shrinkage box body; the expansion-shrinkage guide device comprises slide rails; the slide rails are respectively and fixedly arranged at the bottoms of the first expansion-shrinkage box body and the second expansion-shrinkage box body; U-steel is arranged at the lower ends of the slide rails; and the U-steel is matched with a slide rail riding wheel which is fixedly arranged on the main box body base in a sliding mode. The expansion-shrinkage mechanical structure of the double-expansion car is simple in structure and easy to achieve, and the expansion-shrinkage of an expansion-shrinkage carriage is easily achieved. The expansion-shrinkage mechanical structure is small in occupation space, compact in structure and high in transmission precision.
Description
Technical field
The utility model relates to a kind of pair of expansion car, relates in particular to the scalable physical construction of a kind of pair of expansion car.
Background technology
Existing in-vehicle railway carriage is owing to be subject to the restriction of relevant specification of country, and whole width can not surpass 2.5 meters, and this has just caused the limited space in the car.Above-mentioned restriction is for the in the process of moving restriction of railway carriage width of vehicle, but when stationary vehicle the width of railway carriage then without limits, for this problem, part manufacturer has developed the expansion car, the railway carriage width can strengthen when it was static, had solved the problems referred to above.Yet there is complex structure at present two employed scalable physical constructions of expansion car, and inconvenience and the large problem that takes up room are installed.
The utility model content
The purpose of this utility model is for the problems referred to above, and the scalable physical construction of a kind of pair of expansion car is provided, and solving traditional two expansion car expanding and shrinking mechanism complex structures, the problem of inconvenience is installed, with and the larger problem that takes up room.
The purpose of this utility model is to be achieved through the following technical solutions:
The scalable physical construction of a kind of pair of expansion car, the described pair of expansion car comprises main box and the first scalable casing, the second scalable casing, described scalable physical construction comprises scalable engine installation and scalable guide piece, described scalable engine installation comprises pinion and rack, and described pinion and rack is fixedly installed on respectively the bottom of the first scalable casing and the bottom of the second scalable casing; Described scalable guide piece comprises slide rail, described slide rail is fixedly installed on respectively the bottom of the first scalable casing and the bottom of the second scalable casing, the lower end of described slide rail is provided with the U-lag steel, described U-lag steel and the guide rail support roller bearing fit that is fixedly installed on the main box base.
Further, the bottom of the bottom of described the first scalable casing and the second scalable casing all is furnished with 4 groups of slide rails.
Further, the bottom of described the first scalable casing is provided with 8 groups of pinion and racks, be distributed in the slide rail both sides, the tooth bar of described pinion and rack is arranged along the scalable direction of the first scalable casing, and be fixed in the bottom of the first scalable casing, and rack and pinion is meshed, and described gear all is fixed on the transmission shaft a, described transmission shaft a is connected with reductor a, and described reductor a is connected with motor a.
Further, the bottom of described the second scalable casing is provided with 8 groups of pinion and racks, be distributed in the slide rail both sides, the tooth bar of described pinion and rack is arranged along the scalable direction of the second scalable casing, and be fixed in the bottom of the first scalable casing, and rack and pinion is meshed, and described gear all is fixed on the transmission shaft b, described transmission shaft b is connected with reductor b, and described reductor b is connected with motor b.
Further, described reductor a and reductor b are worm reduction gear.
The beneficial effects of the utility model are, the scalable physical construction of described pair of expansion car is simple in structure, are easy to realize, easily realize the scalable of scalable railway carriage, and scalable physical construction its take up room little, compact conformation, transmission accuracy is high.
Description of drawings
Fig. 1 is the birds-eye view of the scalable physical construction of the two expansion cars of the utility model;
Fig. 2 is the front view of the scalable physical construction of the two expansion cars of the utility model;
Among the figure:
1, motor a; 2, reductor a; 3, transmission shaft a; 4, slide rail; 5, motor b; 6, reductor b; 7, transmission shaft b; 8, U-lag steel; 9, guide rail support roller; 10, main box base; 11, pinion and rack.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
Please refer to Figure 1 and Figure 2, in present embodiment, the scalable physical construction of a kind of pair of expansion car, described pair of expansion car comprises main box and the first scalable casing, the second scalable casing, described scalable physical construction comprises scalable engine installation and scalable guide piece, described scalable guide piece comprises slide rail 4, described slide rail 4 is fixedly installed on respectively the bottom of the first scalable casing and the bottom of the second scalable casing, the bottom of the bottom of described the first scalable casing and the second scalable casing all is furnished with 4 groups of slide rails 4, the lower end of described slide rail 4 is provided with U-lag steel 8, described U-lag steel 8 and guide rail support roller 9 bearing fits that are fixedly installed on the main box base 10; Described scalable engine installation comprises pinion and rack 11, described pinion and rack 11 is fixedly installed on respectively the bottom of the first scalable casing and the bottom of the second scalable casing, the bottom of described the first scalable casing is provided with 8 groups of pinion and racks 11, be distributed in slide rail 4 both sides, the tooth bar of described pinion and rack 11 is arranged along the scalable direction of the first scalable casing, and rack and pinion is meshed, described gear all is fixed on the transmission shaft a3, described transmission shaft a3 is connected with reductor a2, and described reductor a2 is connected with motor a1; The bottom of described the second scalable casing is provided with 8 groups of pinion and racks 11, be distributed in slide rail 4 both sides, the tooth bar of described pinion and rack 11 is arranged along the scalable direction of the second scalable casing, and rack and pinion is meshed, described gear all is fixed on the transmission shaft b7, described transmission shaft b7 is connected with reductor b6, and described reductor b6 is connected with motor b5.
As preferably, described reductor a2 and reductor b6 are worm reduction gear.
During work, motor-driven gear rack mechanism 11 running, the rotation band carry-over bar of gear moves, because tooth bar is fixedly installed on the scalable casing, and arranges along the scalable direction of scalable casing, realizes scalablely, simple in structure thereby drive scalable casing, is easy to realize.
Above embodiment has just set forth groundwork of the present utility model and characteristic; the utility model is not limited by above-described embodiment; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the scalable physical construction of two expansion cars, the described pair of expansion car comprises main box and the first scalable casing, the second scalable casing, it is characterized in that: described scalable physical construction comprises scalable engine installation and scalable guide piece, described scalable engine installation comprises pinion and rack, and described pinion and rack is fixedly installed on respectively the bottom of the first scalable casing and the bottom of the second scalable casing; Described scalable guide piece comprises slide rail, described slide rail is fixedly installed on respectively the bottom of the first scalable casing and the bottom of the second scalable casing, the lower end of described slide rail is provided with the U-lag steel, described U-lag steel and the guide rail support roller bearing fit that is fixedly installed on the main box base.
2. the scalable physical construction of according to claim 1 pair of expansion car, it is characterized in that: the bottom of the bottom of described the first scalable casing and the second scalable casing all is furnished with 4 groups of slide rails.
3. the scalable physical construction of according to claim 1 pair of expansion car, it is characterized in that: the bottom of described the first scalable casing is provided with 8 groups of pinion and racks, be distributed in the slide rail both sides, the tooth bar of described pinion and rack is arranged along the scalable direction of the first scalable casing, and be fixed in the bottom of the first scalable casing, and rack and pinion is meshed, and described gear all is fixed on the transmission shaft a, described transmission shaft a is connected with reductor a, and described reductor a is connected with motor a.
4. the scalable physical construction of according to claim 1 pair of expansion car, it is characterized in that: the bottom of described the second scalable casing is provided with 8 groups of pinion and racks, be distributed in the slide rail both sides, the tooth bar of described pinion and rack is arranged along the scalable direction of the second scalable casing, and be fixed in the bottom of the first scalable casing, and rack and pinion is meshed, and described gear all is fixed on the transmission shaft b, described transmission shaft b is connected with reductor b, and described reductor b is connected with motor b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361395 CN202896696U (en) | 2012-07-25 | 2012-07-25 | Expansion-shrinkage mechanical structure of double-expansion car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361395 CN202896696U (en) | 2012-07-25 | 2012-07-25 | Expansion-shrinkage mechanical structure of double-expansion car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202896696U true CN202896696U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361395 Expired - Fee Related CN202896696U (en) | 2012-07-25 | 2012-07-25 | Expansion-shrinkage mechanical structure of double-expansion car |
Country Status (1)
| Country | Link |
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| CN (1) | CN202896696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774431A (en) * | 2012-07-25 | 2012-11-14 | 无锡市源昌机械制造有限公司 | Expansion-shrinkage mechanical structure of double-expansion car |
-
2012
- 2012-07-25 CN CN 201220361395 patent/CN202896696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774431A (en) * | 2012-07-25 | 2012-11-14 | 无锡市源昌机械制造有限公司 | Expansion-shrinkage mechanical structure of double-expansion car |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20180725 |