CN202251748U - Speed changing mechanism of small-sized reloading machine - Google Patents
Speed changing mechanism of small-sized reloading machine Download PDFInfo
- Publication number
- CN202251748U CN202251748U CN2011203394613U CN201120339461U CN202251748U CN 202251748 U CN202251748 U CN 202251748U CN 2011203394613 U CN2011203394613 U CN 2011203394613U CN 201120339461 U CN201120339461 U CN 201120339461U CN 202251748 U CN202251748 U CN 202251748U
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- Prior art keywords
- gear
- shaft
- small
- sized
- changing mechanism
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- Expired - Fee Related
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Abstract
The utility model discloses a speed changing mechanism of a small-sized reloading machine. The speed changing mechanism comprises a first shaft and a hollow second shaft, wherein the first shaft and the second shaft are arranged in a box body and are connected with a motor, one gear arranged on the first shaft is meshed with one gear arranged on the second shaft, the second shaft is provided with two gears which are supported on the second shaft through a bearing, an inner cavity arranged at an extending section at the center of the second shaft is assembled with one set of friction plates of a friction clutch by the two gears, a corresponding position of the second shaft is provided with the other set of the friction plates of the friction clutch, a sleeve which is sleeved on the second shaft is arranged between the two gears, the box body at two ends of the second shaft is fixedly provided with oil cylinders which shares a coaxial line with the second shaft, and pistons of the oil cylinders are matched with the sleeve through a center hole pin of the second shaft. The speed changing mechanism of the small-sized reloading machine disclosed by the utility model has the advantages that the speed changing mechanism is used on the small-sized reloading machine, an expensive hydraulic torque converter can be saved, the successful start and the operation can be ensured, the motive power consumption generated when a hydraulic coupler and a small-power motor are matched for work is avoided.
Description
Technical field
The utility model relates to vehicle transmission, is specifically related to a kind of gear of small-sized charging crane.
Background technique
Widely used at home at present excavator, loader; The configuration hydraulic couplers is realized speed changer then behind its motor; And for small-sized equipment, the power loss of hydraulic couplers be that originally just to show slightly the loader, the excavator power loss that are short of power bigger.Also is inappropriate and make motor directly connect speed changer for whole system.This phenomenon is up to also not being well solved at present.The designer of the utility model has done this after research in earnest, has proposed the goal of the invention of the utility model.
The model utility content
The purpose of the utility model is to overcome at present because mini-excavator loader configuration hydraulic coupler power loss is excessive, selling at exorbitant prices, and the defective that direct connection can not achieve the goal puts forward with not enough.It is a kind of gear that small-sized charging crane is provided.
For realizing above-mentioned purpose; The technological scheme of the utility model is the gear of a kind of small-sized charging crane of design; Said gear comprises and is assemblied in first and second of hollow in the casing and that is connected with motor; Be arranged on the gear on first and be arranged on the gear engagement on second, it is characterized in that, on said second, be provided with two at least through bearings gear above that; Said gear is provided with the inner chamber section to the extension of second centre; The friction plate of one group of friction clutch is housed in said inner chamber section at least, on the symmetrical position on said second,, is being provided with the sliding sleeve that is sleeved on second at least between two gears at least at the device friction plate that another group friction clutch is housed; The oil cylinder of fixing and second coaxial line on the casing at said second two ends, the plunger of said oil cylinder cooperates with the sliding sleeve mouth through second center hole to pin; In said gear, be provided with the 3rd and/or the 4th identical with said second axle construction, the gear in the said gear is helical gear.
Wherein, be fixedly connected gear oil pump on the casing of the other end that described and motor are direct-connected first, this gear pump directly is connected through hub splines with first.
The advantage and the beneficial effect of the utility model are: this gear uses on the small-power loader; Can save expensive fluid torque converter and start walking smoothly, the power loss when having avoided hydraulic coupler and low-powered engine cooperating with guaranteeing.And oil pump directly is connected with main shaft, saved motor and the installing space that oil pump is connected separately, improved the overall space utilization ratio of small sized loader, excavator.Thereby reduced the manufacture cost of small sized loader.
Description of drawings
Fig. 1 is the variable-speed motor composition of the small-sized charging crane of the utility model.
Among the figure: 1, casing; 2, first; 3, gear; 4, oil pump; 5, gear; 6, oil cylinder; 7, plunger; 8, pin; 9, gear; 10, the 3rd, 11, gear; 12, the 4th; 13, gear; 14, the 5th; 15, gear; 16, double-sliding gear; 17, gear; 18, gear; 19, sliding sleeve; 20, friction clutch; 21, second.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is further described.Following examples only are used for more clearly explaining the technological scheme of the utility model, and can not limit the protection domain of the utility model with this.
As shown in Figure 1; The utility model is a kind of gear of small-sized charging crane; Changing fast mechanism is a kind of speed changer with 5, but the utility model is not limited to 5, and power is little, do not need a lot of gear ratio; Also can be reduced to 4,3 structural type, those of ordinary skill just can reasonably design.This small sized loader speed changer; Have first 2 and second 21 of hollow being connected with motor that are assemblied in the casing; Gear 5 engagements on gear 3 on first and second; First 2 the other end directly is connected with gear oil pump 4, on second 21, has two through bearings gear 9 above that, and this gear is to one group of friction plate of the inner chamber assembling friction clutch 20 of the extension of second centre; Another group friction plate that has friction clutch 20 second relevant position; In the centre of two gears 9 sliding sleeve 19 that is sleeved on second is arranged, on the casing 1 at second 21 two ends, fix and second coaxial oil cylinder 6, the plunger 7 of oil cylinder cooperates with sliding sleeve 19 through second center hole to pin 8.With the casing 1 of direct-connected first 2 the other end of motor on the gear oil pump 4 that is fixedly connected, this oil pump preferably directly is connected through hub splines with first.
During use, engine operation, oil pump is work just, for complete machine provides hydraulic oil.When needs were walked, the cylinder action on right side in the accompanying drawing was moved to the left sliding sleeve 19; Make the friction clutch work in second left side; The gear driven in second left side is worked together, and the gear 18 and 17 on the 3rd 10 of this gear driven rotates simultaneously, through gear 18; The small gear of transmission double-sliding gear 16 or through the gearwheel of gear 17 transmission double-sliding gears 16 is then through gear 15 outputting powers and torque in the 5th of gear 11 transmission on the 4th.This drive path can be as forward gears.Another road kind of drive more simply.The cylinder action in left side in the accompanying drawing; Sliding sleeve 19 is moved right; Make the friction clutch work on second right side; The gear driven on second right side is worked together, and the gear 13 on the 4th 10 of this gear driven is through gear 15 outputting powers and the torque in the 5th of gear 11 transmission on the 4th.Owing to lacked the transmission of one group of gear, thus the rotation of 15 this moments of gear and aforesaid on the contrary, this drive path can be as retreating shelves.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (2)
1. the gear of a small-sized charging crane; Said gear comprises and is assemblied in first and second of hollow in the casing and that is connected with motor; Be arranged on the gear on first and be arranged on the gear engagement on second, it is characterized in that, on said second, be provided with two at least through bearings gear above that; Said gear is provided with the inner chamber section to the extension of second centre; The friction plate of one group of friction clutch is housed in said inner chamber section at least, on the symmetrical position on said second,, is being provided with the sliding sleeve that is sleeved on second at least between two gears at least at the device friction plate that another group friction clutch is housed; The oil cylinder of fixing and second coaxial line on the casing at said second two ends, the plunger of said oil cylinder cooperates with the sliding sleeve mouth through second center hole to pin; In said gear, be provided with the 3rd and/or the 4th identical with said second axle construction, the gear in the said gear is helical gear.
2. according to the gear of the described small-sized charging crane of claim 1, it is characterized in that be fixedly connected gear oil pump on the casing of the other end that described and motor are direct-connected first, this gear pump directly is connected through hub splines with first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203394613U CN202251748U (en) | 2011-09-08 | 2011-09-08 | Speed changing mechanism of small-sized reloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203394613U CN202251748U (en) | 2011-09-08 | 2011-09-08 | Speed changing mechanism of small-sized reloading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251748U true CN202251748U (en) | 2012-05-30 |
Family
ID=46112994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203394613U Expired - Fee Related CN202251748U (en) | 2011-09-08 | 2011-09-08 | Speed changing mechanism of small-sized reloading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251748U (en) |
-
2011
- 2011-09-08 CN CN2011203394613U patent/CN202251748U/en not_active Expired - Fee Related
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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: 20120530 Termination date: 20120908 |