CN203742774U - Rear power takeoff device - Google Patents
Rear power takeoff device Download PDFInfo
- Publication number
- CN203742774U CN203742774U CN201420023998.2U CN201420023998U CN203742774U CN 203742774 U CN203742774 U CN 203742774U CN 201420023998 U CN201420023998 U CN 201420023998U CN 203742774 U CN203742774 U CN 203742774U
- Authority
- CN
- China
- Prior art keywords
- gear
- rear power
- pump gear
- hydraulic pump
- power takeoff
- 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
Links
- 239000007858 starting material Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a rear power takeoff device which comprises a rear power takeoff shell, a flywheel shell, a vibration pump gear, a hydraulic pump gear, a driving gear and a middle gear. A connecting plate is arranged at the upper end of the flywheel shell. The flywheel shell, the connecting plate and the rear power takeoff shell are connected to form a rear gear room. The driving gear is arranged at the position, corresponding to the flywheel shell, of the lower end of the rear gear room. The middle of the rear gear room is provided with the middle gear meshed with the driving gear. The left side and the right side of the upper end of the rear gear room are provided with the vibration pump gear and the hydraulic pump gear respectively, wherein the vibration pump gear and the hydraulic pump gear are meshed with the middle gear and symmetrically arranged at the upper portion of the middle gear in a left-right mode. A starter mounting table is arranged on the right side of the flywheel shell. The hydraulic pump gear, the hydraulic pump gear, the driving gear and the middle gear are bevel gears. According to the rear power takeoff device, the number of change parts can be reduced, universality of the parts is improved, the production cost is reduced, and the rear power takeoff device is stable and reliable in operation, low in noise, convenient to maintain and attractive in appearance.
Description
Technical field
The utility model relates to a kind of rear power takeoff.
Background technique
Rear power takeoff, for by gear transmission, arrives the transmission of power of engine crankshaft output in the device of extra power output interface.Its application area as: dumping car, concrete mixer etc. needs the special-purpose vehicle of extra power.Part engine for engineering machinery has two power delivery outlets, when work, by bent axle and rear power takeoff while output torque, realizes the job requirement of locomotive, for example, and vibrating roller etc.The starter motor of the former rear power takeoff of diesel engine is positioned at diesel engine left side (from free end), be arranged on to oscillating column pump gear and intermediate gear biasing diesel engine right side, on rear power taking housing and flywheel casing, there is corresponding biasing profile to hold intermediate gear, and along with the exploitation of new structure diesel engine, the position of starter motor is shared by machine oil cooler assembly at present, therefore former rear power takeoff cannot be used on new structure diesel engine, needs to redesign, and has increased the cost of production of product.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of rear power takeoff.
For solving the problems of the technologies described above, the utility model comprises rear power taking housing, flywheel casing, oscillating column pump gear, hydraulic pump gear, driving gear and intermediate gear, the upper end that it is characterized in that described flywheel casing is provided with connecting plate, described flywheel casing, after being connected with rear power taking housing, connecting plate forms backgear chamber, the corresponding flywheel casing in lower end of described backgear chamber is provided with driving gear, the middle part of described backgear chamber is provided with the intermediate gear with driving gear engagement, the left and right sides, upper end of described backgear chamber is respectively equipped with oscillating column pump gear and the hydraulic pump gear with intermediate gear engagement, described oscillating column pump gear and hydraulic pump gear are symmetrical set on the top of intermediate gear, the right side of described flywheel casing is provided with starter motor mounting platform, described oscillating column pump gear, hydraulic pump gear, driving gear, intermediate gear are helical gear.
Described rear power taking housing is provided with the oil leab that can be communicated with body main oil gallery, described oil leab is connected with lubricant pipe by hollow bolt, the end of described lubricant pipe is provided with nozzle, the bearing setting of the corresponding oscillating column pump gear of described nozzle and hydraulic pump gear.
The middle part of described lubricant pipe is provided with pipe clamp, and pipe clamp is fixedly connected with rear power taking housing by bolt.
The corresponding oscillating column pump gear in outside of described connecting plate is provided with protective cover plate.
Each pitch circle of all causes of described rear power taking housing is outwards offset 25mm.
Described connecting plate, starter motor mounting platform and flywheel casing are structure as a whole.
The outside of described rear power taking housing respectively corresponding oscillating column pump gear and hydraulic pump gear is provided with gear cap and bearing cap.
Adopt after said structure, the utility model adopts the method for skew intermediate gear, keep identical transmission speed ratio, starter motor is moved on to diesel engine right side (from free end), power taking housing and flywheel casing structure after changing simultaneously, symmetrically oscillating column pump gear and hydraulic pump gear are distributed in to both sides, adopt Helical gear Transmission, stably outputting power.The utility model can reduce change part, improves the versatility of part, reduces production costs, and with timer, operates steadily reliably, and noise is little, is convenient to maintenance, beautiful shape.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is that Fig. 2 removes the structural representation after flywheel casing and connecting plate.
Embodiment
As shown in Figure 1 to Figure 3, rear power takeoff comprises rear power taking housing 1, flywheel casing 3, oscillating column pump gear 4, hydraulic pump gear 6, driving gear 8 and intermediate gear 7, and oscillating column pump gear 4, hydraulic pump gear 6, driving gear 8, intermediate gear 7 are helical gear.Flywheel casing 3 is provided with intermediate shaft hole 5, intermediate shaft hole 5 is avoided engine body mounting hole, the right side of flywheel casing 3 (from the free end of diesel engine) is provided with starter motor mounting platform 11, and the upper end of flywheel casing 3 is provided with connecting plate 12, and connecting plate 12, starter motor mounting platform 11 are structure as a whole with flywheel casing 3.After being connected with rear power taking housing 1, flywheel casing 3, connecting plate 12 form backgear chamber, the indoor corresponding flywheel casing 3 in lower end of backgear is provided with driving gear 8, the middle part of backgear chamber is provided with the intermediate gear 7 with driving gear 8 engagements, the left and right sides, upper end of backgear chamber is respectively equipped with oscillating column pump gear 4 and the hydraulic pump gear 6 with intermediate gear 7 engagements, oscillating column pump gear 4 and hydraulic pump gear 6 are symmetrical set on the top of intermediate gear 7, and the utility model passes to oscillating column pump and oil hydraulic pump by intermediate gear 7 by the moment of torsion of bent axle.The outside of rear power taking housing 1 respectively corresponding oscillating column pump gear 4 and hydraulic pump gear 6 is provided with gear cap 10 and bearing cap 9.Due to oscillating column pump gear 4 in the course of the work, vibration amplitude is larger, in the outside of connecting plate 12, corresponding oscillating column pump gear 4 is provided with protective cover plate 2, in anti-locking apparatus running, the bearing of oscillating column pump gear 4 is deviate from, and improves working life of the present utility model.Each pitch circle of all causes of rear power taking housing 1 is outwards offset 25mm, to reserve the position of holder housing fixing bolt, the distance that after in the utility model, the periphery of power taking housing 1 is outwards offset is not limited to 25mm, as long as it facilitates installation of fixing bolt and can be arranged on smoothly in the headspace of body.
Rear power taking housing 1 is provided with the oil leab 13 that can be communicated with body main oil gallery, oil leab 13 is connected with lubricant pipe 15 by hollow bolt 14, the upper end portion of lubricant pipe 15 is provided with nozzle 16, the bearing setting of the corresponding oscillating column pump gear 4 of nozzle 16 and hydraulic pump gear 6.The middle part of lubricant pipe 15 is provided with pipe clamp, and pipe clamp is fixedly connected with rear power taking housing 1 by bolt.Former rear power takeoff adopts the mode of casting oil duct to be lubricated, and processing oil duct is more difficult, easily produces useless part, increases cost, and for the ease of processing, shape and the location comparison of oil duct are fixed, and cause lubrication effect undesirable simultaneously.Lubricating fitting of the present utility model adopts the composite structure of oil leab 13, lubricant pipe 15 and nozzle 16 to realize the pressure lubrication to bearing, oil leab 13 is transported to lubricant pipe 15 by lubricant oil, via nozzle 16, be sprayed onto and on bearing, carry out lubrication again, oil leab 13 is short and straight, easy to process.The utility model adopts lubricant pipe 15 and nozzle 16 structures to replace former casting oil duct, has both been convenient to processing and has installed, and be convenient to again maintenance, and oil spout position is more accurate, improves cooling effect.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement.In every case within inventive concept scope of the present utility model, any modification of making, be equal to replacement, improvement etc., within being all included in protection domain of the present utility model.
Claims (7)
1. power takeoff after a kind, comprise rear power taking housing (1), flywheel casing (3), oscillating column pump gear (4), hydraulic pump gear (6), driving gear (8) and intermediate gear (7), the upper end that it is characterized in that described flywheel casing (3) is provided with connecting plate (12), described flywheel casing (3), after being connected with rear power taking housing (1), connecting plate (12) forms backgear chamber, the corresponding flywheel casing in lower end (3) of described backgear chamber is provided with driving gear (8), the middle part of described backgear chamber is provided with the intermediate gear (7) with driving gear (8) engagement, the left and right sides, upper end of described backgear chamber is respectively equipped with oscillating column pump gear (4) and the hydraulic pump gear (6) with intermediate gear (7) engagement, described oscillating column pump gear (4) and hydraulic pump gear (6) are symmetrical set on the top of intermediate gear (7), the right side of described flywheel casing (3) is provided with starter motor mounting platform (11), described oscillating column pump gear (4), hydraulic pump gear (6), driving gear (8), intermediate gear (7) are helical gear.
2. rear power takeoff according to claim 1, it is characterized in that described rear power taking housing (1) is provided with the oil leab (13) that can be communicated with body main oil gallery, described oil leab (13) is connected with lubricant pipe (15) by hollow bolt (14), the end of described lubricant pipe (15) is provided with nozzle (16), the bearing setting of the corresponding oscillating column pump gear of described nozzle (16) (4) and hydraulic pump gear (6).
3. rear power takeoff according to claim 2, is characterized in that the middle part of described lubricant pipe (15) is provided with pipe clamp, and pipe clamp is fixedly connected with rear power taking housing (1) by bolt.
4. according to the rear power takeoff described in claims 1 to 3 any one, it is characterized in that the corresponding oscillating column pump gear in outside (4) of described connecting plate (12) is provided with protective cover plate (2).
5. rear power takeoff according to claim 4, is characterized in that each pitch circle of all causes of described rear power taking housing (1) is outwards offset 25mm.
6. rear power takeoff according to claim 1, is characterized in that described connecting plate (12), starter motor mounting platform (11) are structure as a whole with flywheel casing (3).
7. rear power takeoff according to claim 4, is characterized in that outside difference corresponding oscillating column pump gear (4) and the hydraulic pump gear (6) of described rear power taking housing (1) is provided with gear cap (10) and bearing cap (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023998.2U CN203742774U (en) | 2014-01-15 | 2014-01-15 | Rear power takeoff device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023998.2U CN203742774U (en) | 2014-01-15 | 2014-01-15 | Rear power takeoff device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742774U true CN203742774U (en) | 2014-07-30 |
Family
ID=51342587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420023998.2U Expired - Lifetime CN203742774U (en) | 2014-01-15 | 2014-01-15 | Rear power takeoff device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481683A (en) * | 2014-12-09 | 2015-04-01 | 沪东重机有限公司 | Diesel engine gear transmission device convenient to maintain |
| CN109667921A (en) * | 2019-03-01 | 2019-04-23 | 广西玉柴机器股份有限公司 | A kind of engine Double-hydraulic pump interface transmission box structure |
-
2014
- 2014-01-15 CN CN201420023998.2U patent/CN203742774U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481683A (en) * | 2014-12-09 | 2015-04-01 | 沪东重机有限公司 | Diesel engine gear transmission device convenient to maintain |
| CN109667921A (en) * | 2019-03-01 | 2019-04-23 | 广西玉柴机器股份有限公司 | A kind of engine Double-hydraulic pump interface transmission box structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |