CN202545749U - Reduction box for small-sized loaders - Google Patents
Reduction box for small-sized loaders Download PDFInfo
- Publication number
- CN202545749U CN202545749U CN2012201642312U CN201220164231U CN202545749U CN 202545749 U CN202545749 U CN 202545749U CN 2012201642312 U CN2012201642312 U CN 2012201642312U CN 201220164231 U CN201220164231 U CN 201220164231U CN 202545749 U CN202545749 U CN 202545749U
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- CN
- China
- Prior art keywords
- gear
- transmission shaft
- driving gear
- shaft
- power input
- 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 - Fee Related
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Abstract
The utility model discloses a reduction box for small-sized loaders, comprising a box body. A power input shaft, a first transmission shaft, a second transmission shaft, a third transmission shaft and a power output shaft are arranged successively from top to bottom in the box body. The second transmission shaft, the third transmission shaft and the fourth transmission shaft are arranged like a triangle. Transmission among the power input shaft, the second transmission shaft, the third transmission shaft, the fourth transmission shaft and the power output shaft is realized by a gear set. A gear shift device is arranged on the box body and close to the power input shaft. Gear choices including three advance gears and a reverse gear are provided. The first gear and the reverse gear are set when a loader works and the second gear and the third gear are set when the loader has no load. Compared with the traditional technology, one transmission shaft and one transmission gear can be omitted, thus the reduction box has the advantages that the structure is simple, the assembly process is simple and cost is low and gear shift can be realized easily.
Description
Technical field
The utility model relates to a kind of gearbox, relates to a kind of small sized loader that is applied to 1.2～1.6t loader specifically and uses gearbox.
Background technique
Existing 1.2～1.6t loading machine gearbox is generally six type gearboxes, changes fixed gear and the gear meshing on the transmission shaft, separated state on the power input shaft, the variation of realization gear through pin.
But in practical application, there is following technological deficiency in these six type gearboxes:
1, in the gear change procedure, realize transmission process through a driving gear, gearbox designs is complicated;
2, assembly technology is complicated, and cost is high;
3, middle hanging hang structure, the inconvenience of putting into gear, and be unfavorable for that gearbox is installed on the loader.
The model utility content
The problem that the utility model will solve provides a kind of small sized loader that is applied to 1.2～1.6t loader and uses gearbox, and this gearbox designs and assembly technology are simple, is easier to the realization of gear, more convenient operation.
In order to address the above problem, the utility model adopts following technological scheme:
A kind of loader is used gearbox; Comprise casing; Be disposed with power input shaft, first transmission shaft, second transmission shaft and the 3rd transmission shaft and pto in the casing from top to bottom; Said second transmission shaft, the 3rd transmission shaft and the setting triangular in shape of the 4th transmission shaft, through the gear train transmission, the position near power input shaft on the casing is provided with gearshift between power input shaft, second transmission shaft, the 3rd transmission shaft and the 4th transmission shaft and the pto.
Below be the further improvement of the utility model to such scheme:
Said second transmission shaft, the 3rd transmission shaft and the setting triangular in shape of the 4th transmission shaft.
Further improve: be fixed with driving gear on the power input shaft; Little duplicate gear and big duplicate gear are installed on second transmission shaft; The gearwheel and the driving gear of big duplicate gear often mesh, and little duplicate gear is connected with the second transmission shaft slippage respectively with big duplicate gear.
Further improve: gearshift comprises gearshift and diverged combinating mechanism; Gearshift comprises the slide bar that is installed on the casing; On slide bar, be provided with second shift fork, be provided with first shift fork with the corresponding position of little duplicate gear with the big corresponding position of duplicate gear; Diverged combinating mechanism is fixedly connected with slide bar, and the outside of diverged combinating mechanism is connected with gear shifting handle.
Further improve: first driving gear, second driving gear and the 3rd driving gear are installed on said the 3rd transmission shaft successively; Said first driving gear is installed in the position near little duplicate gear, and the 3rd driving gear is installed in the position near big duplicate gear.
Further improve: power output gear is installed on the pto, the 4th driving gear with power output gear and the normal engagement of second driving gear is installed on the 4th transmission shaft respectively.
Further improve: a wherein end of pto is connected with hand brake device.
The utility model adopts such scheme, has realized three gear selections that one of forward gear reverses gear, and loader is provided with a retaining and reverses gear when working, and loader is provided with two or three retainings when unloaded.Compare with conventional art, reduced the use of transmission shaft, a driving gear, simple in structure, assembly technology is simple; Cost is low, is easier to the realization of gear, more convenient operation; And the employing diverged combinating mechanism has been realized gear side extension, makes gearbox be easier to arrange.
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Description of drawings
Accompanying drawing 1 is the structural representation of gearbox among the utility model embodiment;
Accompanying drawing 2 is the side view of the utility model embodiment gearbox.
Among the figure: the 1-slide bar; The 2-casing; The little duplicate gear of 3-; 4-first driving gear; The 5-hand brake device; The 6-power output gear; 7-the 4th driving gear; 8-second driving gear; 9-the 3rd driving gear; The big duplicate gear of 10-; The 11-driving gear; The 12-diverged combinating mechanism; 13-first shift fork; 14-second shift fork; The 15-gear shift
Handle; I-power input shaft; II-second transmission shaft; III-Di three transmission shafts; IV-Di four transmission shafts; V-pto.
Embodiment
Embodiment; As shown in Figure 1; A kind of loader is used gearbox, comprises casing 2, is disposed with power input shaft I, the second transmission shaft II, the 3rd transmission shaft III and the 4th transmission shaft IV and pto V in the casing 2 from top to bottom; The said second transmission shaft II, the 3rd transmission shaft III and the setting triangular in shape of the 4th transmission shaft IV, more compact structure.Through the gear train transmission, the position near the power input shaft I on the casing 2 is provided with gearshift between power input shaft I, the second transmission shaft II, the 3rd transmission shaft III and the 4th transmission shaft IV and the pto V.
Be fixed with driving gear 11 on the power input shaft I; Little duplicate gear 3 and big duplicate gear 10 are installed on the second transmission shaft II; The gearwheel and the driving gear 11 of big duplicate gear 10 often mesh, and little duplicate gear 3 is connected with the second transmission shaft II slippage respectively with big duplicate gear 10.
Gearshift comprises gearshift and diverged combinating mechanism 12; Gearshift comprises and is installed on the casing 2 slide bar 1; On slide bar 1, be provided with second shift fork 14, be provided with first shift fork 13 with little duplicate gear 3 corresponding positions with big duplicate gear 10 corresponding positions; Diverged combinating mechanism 12 is fixedly connected with slide bar 1, and the outside of diverged combinating mechanism 12 is connected with gear shifting handle 15.
The 4th driving gears 7 that are equipped with on power output gear 6, the four transmission shaft IV respectively with power output gear 6 and the 8 normal engagements of second driving gear are installed on the pto V.
A wherein end of pto V is connected with hand brake device 5.
The utility model changes the engagement separated state of big duplicate gear 10 and the 3rd driving gear 9 or changes the engagement or the separated state of the little duplicate gear 3 and first driving gear 4 through first shift fork 13 through second shift fork 14, thereby realizes three forward gears and a gear setting of reversing gear.Diverged combinating mechanism 12 has realized that side puts into gear.During installation, the power input shaft I is connected with motor, and the pto V connects away from an end and the front and back bridging of hand brake device.The utility model is simple in structure, and cost is low, and assembly technology is simple, and the realization that side is hung makes it be easier to be installed on the loader.
Drive connection is following:
One retaining: the gearwheel engagement of the big duplicate gear 10 on the driving gear 11 on the power input shaft I and the second transmission shaft II; First driving gear, 4 engagements on the small gear of the little duplicate gear 3 on the second transmission shaft II and the 3rd transmission shaft III; The 4th driving gear 7 engagements on second driving gear 8 on the 3rd transmission shaft III and the 4th transmission shaft IV, the 4th driving gear 7 on the 4th transmission shaft IV and power output gear 6 engagements on the pto V.
Two retainings: the gearwheel engagement of the big duplicate gear 10 on the driving gear 11 on the power input shaft I and the second transmission shaft II; The 3rd driving gear 9 engagements on the small gear of the big duplicate gear 10 on the second transmission shaft II and the 3rd transmission shaft III; The 4th driving gear 7 engagements on second driving gear 8 on the 3rd transmission shaft III and the 4th transmission shaft IV, the 4th driving gear 7 on the 4th transmission shaft IV and power output gear 6 engagements on the pto V.
Three retainings: the gearwheel engagement of the big duplicate gear 10 on the driving gear 11 on the power input shaft I and the second transmission shaft II; Second driving gear, 8 engagements on the gearwheel of the big duplicate gear 10 on the second transmission shaft II and the 3rd transmission shaft III; The 4th driving gear 7 engagements on second driving gear 8 on the 3rd transmission shaft III and the 4th transmission shaft IV, the 4th driving gear 7 on the 4th transmission shaft IV and power output gear 6 engagements on the pto V.
Reverse gear: the two big gearwheel engagement that joins gear 10 on the driving gear 11 on the power input shaft I and the second transmission shaft II; The 4th driving gear 7 engagements on the gearwheel of the little duplicate gear 3 on the second transmission shaft II and the 3rd transmission shaft III, the 4th driving gear 7 on the 4th transmission shaft IV and power output gear 6 engagements on the pto V.
Claims (7)
1. a loader is used gearbox; Comprise casing (2); It is characterized in that: be disposed with power input shaft (I), second transmission shaft (II), the 3rd transmission shaft (III) and the 4th transmission shaft (IV) and pto (V) in the casing (2) from top to bottom; Through the gear train transmission, the position that casing (2) is gone up near power input shaft (I) is provided with gearshift between power input shaft (I), second transmission shaft (II), the 3rd transmission shaft (III) and the 4th transmission shaft (IV) and the pto (V).
2. a kind of loader according to claim 1 is used gearbox, it is characterized in that: said second transmission shaft (II), the 3rd transmission shaft (III) and the 4th transmission shaft (IV) setting triangular in shape.
3. a kind of loader according to claim 1 and 2 is used gearbox; It is characterized in that: be fixed with driving gear (11) on the power input shaft (I); Little duplicate gear (3) and big duplicate gear (10) are installed on second transmission shaft (II); The normal engagement of the gearwheel of big duplicate gear (10) and driving gear (11), little duplicate gear (3) is connected with second transmission shaft (II) slippage respectively with big duplicate gear (10).
4. a kind of loader according to claim 3 is used gearbox; It is characterized in that: gearshift comprises gearshift and diverged combinating mechanism (12); Gearshift comprises the slide bar (1) that is installed in (2) on the casing; Upward be provided with second shift fork (14), be provided with first shift fork (13) at slide bar (1) with the corresponding position of little duplicate gear (3) with the big corresponding position of duplicate gear (10); Diverged combinating mechanism (12) is fixedly connected with slide bar (1), and the outside of diverged combinating mechanism (12) is connected with gear shifting handle (15).
5. a kind of loader according to claim 4 is used gearbox; It is characterized in that: first driving gear (4), second driving gear (8) and the 3rd driving gear (9) are installed on said the 3rd transmission shaft (III) successively; Said first driving gear (4) is installed in the position near little duplicate gear (3), and the 3rd driving gear (9) is installed in the position near big duplicate gear (10).
6. a kind of loader according to claim 5 is used gearbox; It is characterized in that: power output gear (6) is installed on the pto (V), the 4th driving gear (7) with power output gear (6) and the normal engagement of second driving gear (8) is installed on the 4th transmission shaft (IV) respectively.
7. a kind of loader according to claim 6 is used gearbox, it is characterized in that: a wherein end of pto (V) is connected with hand brake device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201642312U CN202545749U (en) | 2012-04-18 | 2012-04-18 | Reduction box for small-sized loaders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201642312U CN202545749U (en) | 2012-04-18 | 2012-04-18 | Reduction box for small-sized loaders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545749U true CN202545749U (en) | 2012-11-21 |
Family
ID=47166387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201642312U Expired - Fee Related CN202545749U (en) | 2012-04-18 | 2012-04-18 | Reduction box for small-sized loaders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723671A (en) * | 2019-09-20 | 2020-01-24 | 宝鸡石油机械有限责任公司 | Four-gear transmission case for petroleum drilling winch |
-
2012
- 2012-04-18 CN CN2012201642312U patent/CN202545749U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723671A (en) * | 2019-09-20 | 2020-01-24 | 宝鸡石油机械有限责任公司 | Four-gear transmission case for petroleum drilling winch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20140418 |