CN202914178U - New-type engine with output transmission mechanism of pump structure device - Google Patents
New-type engine with output transmission mechanism of pump structure device Download PDFInfo
- Publication number
- CN202914178U CN202914178U CN 201220577546 CN201220577546U CN202914178U CN 202914178 U CN202914178 U CN 202914178U CN 201220577546 CN201220577546 CN 201220577546 CN 201220577546 U CN201220577546 U CN 201220577546U CN 202914178 U CN202914178 U CN 202914178U
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- gear
- timing
- cone shape
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- shape hole
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Abstract
The utility model discloses a new-type engine with output transmission mechanism of pump structure device, relates to the field of motor technology. The new-type engine with output transmission mechanism of pump structure device comprises a crankshaft timing gear breakage, a timing idle gear, a camshaft timing gear, a fuel injection timing gear shaft and a carrier gear and a pump drive gear. The crankshaft timing gear is meshed with the timing idle gear and the timing idle gear is meshed with the left side of camshaft timing gear and the right side of the fuel injection pump timing gear. The camshaft timing gear is meshed with the carrier gear which is meshed with the pump drive gear. The middle of the pump drive gear is provided with the connecting through hole. The connecting through hole is composed by a right prototype hole and a left prototype hole. The right end of the left prototype hole is communicated with the left end of the right prototype hole. The new-type engine with output transmission mechanism of pump structure device is characterized by being high in reliability and stability, low in noise. Meanwhile, the connecting through hole in the center of the pump derive gear is prototype hole and the centring is high in precision, good in stability and low in noise. The service life of pump drive gear also can be prolonged.
Description
Technical field:
The utility model relates to the diesel engine technical field, and what be specifically related to is a kind of output driving mechanism of new work engine band air pump structure device.
Background technique:
Along with the fast development of Chinese national economy, all trades and professions are more and more higher to non-road movable type mechanical performance requirement.Non-road movable type mechanical mainly comprises engineering machinery, farm machinery, forestry machinery and airport ground servicing equipment.
But it is unstable that China's non-road movable type mechanical product ubiquity reliability, the shortcoming that noise is large.Although it is a lot of to affect the factor of performance of non-road movable type mechanical product, key is auxiliary equipment such as motor, generator, hydraulic system etc., and auxiliary power output interface device also is major reason.From motor head, band air pump structure position is positioned at the rear end, provide stable pressurized air in order to direct driving air pump for movable type mechanical, the center attachment hole with the air pump actuation gear in the output driving mechanism of air pump structure device of existing diesel engine is cylindrical hole, the center attachment hole installation requirement precision of its coupling shaft and air pump actuation gear is high, centering requires high, it installs difficulty, easily produce because centering is forbidden to cause mismatch to close requirement, and in use produce noise, and affect air pump actuation gear working life.
The model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provide a kind of output driving mechanism of new work engine band air pump structure device, its reliability is high, stable, noise is low, simultaneously, the connecting through hole at the center of air pump actuation gear is cone shape hole, its centering precision is high, and the good stability of centering reduces noise and improves air pump actuation gear working life.
Technology solution of the present utility model is as follows:
A kind of output driving mechanism of new work engine band air pump structure device, comprise crankshaft timing gear, timing idle gear, camshaft timing gear, the Injection Pump timing gear, the gentle pump driver gear of carrier gear, crankshaft timing gear is meshed with timing idle gear, timing idle gear simultaneously with the camshaft timing gear on the left side, the Injection Pump timing gear on the right are meshed, camshaft timing gear is meshed with carrier gear, carrier gear is meshed with the air pump actuation gear, described air pump actuation gear center forms connecting through hole, connecting through hole is comprised of left cone shape hole and right cone shape hole, and the right-hand member of left cone shape hole is connected with the left end of right cone shape hole.
The diameter of the left side of described left cone shape hole is greater than the diameter of right side, and the diameter of the left side of right cone shape hole is less than the diameter of right side, and the diameter of the right side of left cone shape hole is greater than the diameter of the right side of right cone shape hole.
Described crankshaft timing gear, timing idle gear, camshaft timing gear, Injection Pump timing gear, the gentle pump driver gear of carrier gear all are arranged in the gear chamber, and clamping has the gear chamber pad between gear chamber and the gear chamber cover.
The tapering of described right cone shape hole is 1:8, and the tooth normal module of crankshaft timing gear, timing idle gear, camshaft timing gear, Injection Pump timing gear, the gentle pump driver gear of carrier gear is 2.5, and pressure angle is 20 °, and helix angle is 16 °.
The beneficial effects of the utility model are:
1, its air pump actuation gear center forms connecting through hole, connecting through hole is comprised of left cone shape hole and right cone shape hole, the right-hand member of left cone shape hole is connected with the left end of right cone shape hole, the tapering of right cone shape hole is 1:8, like this when coupling shaft is installed to right cone shape hole, its centering precision is high, and the good stability of centering reduces noise and improves air pump actuation gear working life.
2, the tooth normal module of crankshaft timing gear, timing idle gear, camshaft timing gear, Injection Pump timing gear, the gentle pump driver gear of carrier gear is 2.5, and pressure angle is 20 °, and helix angle is 16 °, and this kind tooth smooth running vibrates littlely, and noise is low.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the layout schematic diagram of driving mechanism of the present utility model;
Fig. 2 is the structural representation of air pump actuation gear of the present utility model;
Fig. 3 is structural representation of the present utility model.
Embodiment:
The following stated only is preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment: see shown in Fig. 1 to 3, a kind of output driving mechanism of new work engine band air pump structure device, comprise crankshaft timing gear 1, timing idle gear 2, camshaft timing gear 3, Injection Pump timing gear 4, carrier gear 5 gentle pump driver gears 6, crankshaft timing gear 1 is meshed with timing idle gear 2, timing idle gear 2 simultaneously with the camshaft timing gear 3 on the left side, the Injection Pump timing gear 4 on the right are meshed, camshaft timing gear 3 is meshed with carrier gear 5, carrier gear 5 is meshed with air pump actuation gear 6, described air pump actuation gear 6 centers form connecting through hole 10, connecting through hole 10 is comprised of left cone shape hole 11 and right cone shape hole 12, and the right-hand member of left cone shape hole 11 is connected with the left end of right cone shape hole 12.
The diameter of the left side of described left cone shape hole 11 is greater than the diameter of right side, and the diameter of the left side of right cone shape hole 12 is less than the diameter of right side, and the diameter of the right side of left cone shape hole 11 is greater than the diameter of the right side of right cone shape hole 12.
Described crankshaft timing gear 1, timing idle gear 2, camshaft timing gear 3, Injection Pump timing gear 4, carrier gear 5 gentle pump driver gears 6 all are arranged in the gear chamber 20, and clamping has gear chamber pad 40 between gear chamber 20 and the gear chamber cover 30.
The tapering of described right cone shape hole 12 is 1:8, the tooth normal module of crankshaft timing gear 1, timing idle gear (2), camshaft timing gear 3, Injection Pump timing gear 4, carrier gear 5 gentle pump driver gears 6 is 2.5, pressure angle is 20 °, and helix angle is 16 °.
Working principle: on the right cone shape hole 12 that coupling shaft is fixed to air pump actuation gear 6, cone shape hole when mounted, its centering precision is high, centering good stability, and because the tapering of right cone shape hole 12 is 1:8, its centering precision is higher, the stability of centering is better.
Claims (4)
1. the output driving mechanism of a new work engine band air pump structure device, comprise crankshaft timing gear (1), timing idle gear (2), camshaft timing gear (3), Injection Pump timing gear (4), the gentle pump driver gear of carrier gear (5) (6), crankshaft timing gear (1) is meshed with timing idle gear (2), timing idle gear (2) simultaneously with the camshaft timing gear (3) on the left side, the Injection Pump timing gear (4) on the right are meshed, camshaft timing gear (3) is meshed with carrier gear (5), carrier gear (5) is meshed with air pump actuation gear (6), it is characterized in that: described air pump actuation gear (6) center forms connecting through hole (10), connecting through hole (10) is comprised of left cone shape hole (11) and right cone shape hole (12), and the right-hand member of left cone shape hole (11) is connected with the left end of right cone shape hole (12).
2. the output driving mechanism of a kind of new work engine band air pump structure device according to claim 1, it is characterized in that: the diameter of the left side of described left cone shape hole (11) is greater than the diameter of right side, the diameter of the left side of right cone shape hole (12) is less than the diameter of right side, and the diameter of the right side of left cone shape hole (11) is greater than the diameter of the right side of right cone shape hole (12).
3. the output driving mechanism of a kind of new work engine band air pump structure device according to claim 1, it is characterized in that: described crankshaft timing gear (1), timing idle gear (2), camshaft timing gear (3), Injection Pump timing gear (4), the gentle pump driver gear of carrier gear (5) (6) all are arranged in the gear chamber (20), and clamping has gear chamber pad (40) between gear chamber (20) and the gear chamber cover (30).
4. the output driving mechanism of a kind of new work engine band air pump structure device according to claim 1, it is characterized in that: the tapering of described right cone shape hole (12) is 1:8, the tooth normal module of crankshaft timing gear (1), timing idle gear (2), camshaft timing gear (3), Injection Pump timing gear (4), the gentle pump driver gear of carrier gear (5) (6) is 2.5, pressure angle is 20 °, and helix angle is 16 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577546 CN202914178U (en) | 2012-11-05 | 2012-11-05 | New-type engine with output transmission mechanism of pump structure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577546 CN202914178U (en) | 2012-11-05 | 2012-11-05 | New-type engine with output transmission mechanism of pump structure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914178U true CN202914178U (en) | 2013-05-01 |
Family
ID=48162499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220577546 Expired - Lifetime CN202914178U (en) | 2012-11-05 | 2012-11-05 | New-type engine with output transmission mechanism of pump structure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914178U (en) |
-
2012
- 2012-11-05 CN CN 201220577546 patent/CN202914178U/en not_active Expired - Lifetime
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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 |
Granted publication date: 20130501 |
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| CX01 | Expiry of patent term |