CN203796410U - Auxiliary power output structure of diesel engine - Google Patents
Auxiliary power output structure of diesel engine Download PDFInfo
- Publication number
- CN203796410U CN203796410U CN201420231074.1U CN201420231074U CN203796410U CN 203796410 U CN203796410 U CN 203796410U CN 201420231074 U CN201420231074 U CN 201420231074U CN 203796410 U CN203796410 U CN 203796410U
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- hydraulic pump
- gear
- chamber
- auxiliary power
- diesel engine
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Abstract
The utility model discloses an auxiliary power output structure of a diesel engine. The auxiliary power output structure is used for installing a hydraulic pump and providing power for the hydraulic pump. Installation connectors are formed in the side surface of a gear chamber of the diesel engine and the side surface of a gear chamber cover. The auxiliary power output structure comprises an installation connection block and a hydraulic pump gear. The installation connection block is provided with a chamber installing the gear, an installation port and a hydraulic pump installation end, the installation port is matched with the installation connectors, and the chamber is communicated with the gear chamber. The hydraulic pump gear is installed in the chamber through a bearing set. The bearing set comprises an inner bearing and an outer bearing. The hydraulic pump gear protrudes out of the installation port and can be meshed with a gear inside the gear chamber, and lubricating oil in the gear chamber can directly lubricate the hydraulic pump gear and the bearing set. The auxiliary power output structure is convenient to install and maintain, easy to lubricate and simple in structure.
Description
Technical field
The utility model relates to engine art, particularly a kind of for installing and drive the auxiliary power export structure of the diesel engine of oil hydraulic pump.
Background technique
The existing diesel engine auxiliary power export structure for oil hydraulic pump installation and driving generally has two kinds of typical structures, the hydraulic pump gear of two kinds of auxiliary power export structures is all that bush type is installed, its main distinction point is lubricating oil path difference, as shown in Figure 1 to Figure 3, two kinds of structures are all by being provided with oily passage at the inwall of oil hydraulic pump installation shaft 7, gear lining 5 to be lubricated, in the first structure, the lubricant oil that enters the oily passage of mistake of oil hydraulic pump installation shaft 7 enters (referring to Fig. 2) by the lubricant pipe 9 of gear chamber 2 inside, in the second structure, the lubricant oil that enters the oily passage of mistake of oil hydraulic pump installation shaft 7 directly enters (referring to Fig. 3) by external oil pipe 11.
The drive mechanism of above-mentioned bearing shell formula, has following problem: 1, complex structure, and number of spare parts is many; 2, lubricating oil path complexity, because lack of lubrication causes gear locking rate of fault high; 3,, because the parts such as gear are arranged on gear chamber inside, if there is the fault gear chamber cover of need to dismantling, maintenance is poor; 4,, because of structural limitations, oil hydraulic pump construction bolt to gear chamber inner chamber, has leakage of oil hidden danger through gear chamber.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Model utility content
The purpose of this utility model is to provide a kind of auxiliary power export structure of diesel engine, and this incomplete structure lubricating pipe is lubricated simple, good airproof performance; Further, this structure amount of parts is few, simple in structure, can independently be arranged on gear chamber and gear chamber cover side, easy for installation, easy to maintenance.
For achieving the above object, the utility model provides a kind of auxiliary power export structure of diesel engine, it is used for installing oil hydraulic pump and provides power to oil hydraulic pump, the gear chamber of this diesel engine and the side of gear chamber cover have mounting interface, this auxiliary power export structure comprises: install and connect piece, it has the chamber that gear is installed, and installation connects piece and has the port of installation and oil hydraulic pump mounting end, port is installed and is mated with mounting interface, chamber communicates with gear chamber; And hydraulic pump gear, it is arranged in chamber by bearing pack, bearing pack comprises inner bearing and outer bearing, and hydraulic pump gear protrudes to be installed port and can engage with the gear in gear chamber, and the lubricant oil in gear chamber can directly be lubricated hydraulic pump gear and bearing pack.
Preferably, between the tooth tip of hydraulic pump gear and the inwall of chamber, there is oil storage gap.
Preferably, oil hydraulic pump is fixed by screw and oil hydraulic pump mounting end.
Preferably, oil hydraulic pump mounting end has the tapped hole mating with screw, and tapped hole does not connect with chamber.
Preferably, hydraulic pump gear can be connected by crossing spline with the main shaft of oil hydraulic pump.
Preferably, also comprise oil hydraulic pump cover plate, it is used for sealing oil hydraulic pump mounting end.
Preferably, installation connects piece and is provided with gear cover plate in the opposite end of oil hydraulic pump mounting end, the marginal position of gear cover plate is built-in with fluting flush end stop screw, the termination butt outer bearing of fluting flush end stop screw is used for outer bearing to carry out axial limiting, and the outer end of fluting flush end stop screw is provided with Protective nut.
Preferably, port and mounting interface are installed and are bolted, in the bolt hole of installation port, be provided with set pin sleeve.
Compared with prior art, the utlity model has following beneficial effect: this structure can independently be arranged on gear chamber and gear chamber cover side, easy for installation, easy to maintenance; Lubricated simple, oil hydraulic pump mounting hole and gear chamber inner chamber are not communicated with, good airproof performance; Adopt bearing structure, good reliability; Amount of parts is few, simple in structure.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional schematic of auxiliary power export structure of existing diesel engine;
Fig. 2 is the front schematic view of structure shown in Fig. 1;
Fig. 3 is the cross-sectional schematic of the auxiliary power export structure of another kind of diesel engine;
Fig. 4 is according to the schematic diagram of the auxiliary power export structure of diesel engine of the present utility model;
Fig. 5 is the sectional view along A-A direction in Fig. 4.
Main description of reference numerals:
1-body, 2-gear chamber, 3-gear chamber cover, 4-hydraulic pump gear, 5-gear lining, 6-transmission shaft, 7-oil hydraulic pump installation shaft, 8-oil hydraulic pump, 9-lubricant pipe, 10-hydraulic pump gear thrust plate, the external oil pipe of 11-, 10-installs and connects piece, 101-bolt, 102-oil storage gap, 20-hydraulic pump gear, 301-outer bearing, 302-inner bearing, 40-oil hydraulic pump cover plate, 50-gear cover plate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 4 and 5, according to the auxiliary power export structure of a kind of diesel engine of the utility model embodiment, it is (not shown that it is used for that oil hydraulic pump is installed, can be with reference to Fig. 1) and provide power to oil hydraulic pump, the gear chamber of this diesel engine and gear chamber cover have mounting interface (not shown), this auxiliary power export structure comprises that installation connects piece 10 and hydraulic pump gear 20, installation connects piece 10 and has the chamber (unmarked in figure) that gear is installed, installation connects piece 10 and has the port of installation and oil hydraulic pump mounting end (unmarked in figure), port is installed to be mated with mounting interface, particularly, port and mounting interface are installed by bolt 101 fixing (referring to Fig. 4), when installation port is arranged on mounting interface, chamber communicates with gear chamber.Hydraulic pump gear 20 is arranged in chamber by bearing pack, bearing pack comprises inner bearing 302 and outer bearing 301, mate with chamber inner wall the outer ring of inner bearing 302 and outer bearing 301, bearing pack is generally selected formula bearing back-to-back, hydraulic pump gear 20 protrudes to be installed port and can engage with the gear in gear chamber, and the lubricant oil in gear chamber can directly be lubricated hydraulic pump gear 20, inner bearing 302 and outer bearing 301.As a kind of preferred embodiment, between the tooth tip of hydraulic pump gear 20 and the inwall of chamber, there is oil storage gap 102 (referring to Fig. 5), by the gear rotation in gear chamber, lubricant oil can be thrown in oil storage gap 102, standby fluid level height just can be dipped into the bottom of hydraulic pump gear 20 and bearing pack, ensures that diesel engine has enough lubricant oil to be lubricated in the time starting, and lubricating structure is simple, ensure the lubricated of gear and bearing by oil storage gap 102, without lubricating pipe.
In such scheme, oil hydraulic pump is fixed by screw and oil hydraulic pump mounting end, wherein, oil hydraulic pump mounting end has the tapped hole mating with screw, tapped hole does not connect with chamber, in the time oil hydraulic pump not being installed, seal oil hydraulic pump mounting end by oil hydraulic pump cover plate 40, oil hydraulic pump cover plate 40 is arranged on oil hydraulic pump mounting end by oil hydraulic pump pad 401 and bolt 402, oil hydraulic pump is identical with the mounting type of oil hydraulic pump cover plate 40, the main shaft of oil hydraulic pump is standard crossing spline axle, and hydraulic pump gear 20 can coordinate with the main shaft of oil hydraulic pump.Installation connects piece 10 and is provided with gear cover plate 50 in the opposite end of oil hydraulic pump mounting end, gear cover plate 50 is mainly used to install hydraulic pump gear 20, concrete mounting type is, inner bearing 302 is first installed, hydraulic pump gear 20 is installed again, then outer bearing 301 is installed, cover gear cover plate 50, fastening with bolt 503, the marginal position of gear cover plate 50 is built-in with fluting flush end stop screw 60, it is located at end positions, the termination butt outer bearing 301 of fluting flush end stop screw 60 is used for outer bearing 301 to carry out axial limiting, the axial movement value of restriction outer bearing 301, inner bearing 302 is connected on the inwall of chamber, outer end at fluting flush end stop screw 60 is provided with Protective nut 502, the Protective nut 502 of screwing on after the axial clearance that regulates outer bearing 301, prevent that stranger from arbitrarily regulating fluting flush end stop screw 60.Between fluting flush end stop screw 60 and gear cover plate 50, be provided with composite seal packing ring 501.
This installation connects piece 10 specifically can be arranged on the side of gear chamber and gear chamber cover by port is installed, fixing with 4 bolts 101,4 bolts 101 are twisted respectively the side that is connected on gear chamber and gear chamber cover, in order to ensure the position degree of hydraulic pump gear assembling, install in 2 bolts hole on port set pin sleeve is housed, the corresponding screw inserting in gear chamber of set pin sleeve.
The auxiliary power export structure amount of parts of this diesel engine is few, simple in structure; Lubricated simple, oil hydraulic pump mounting hole and gear chamber inner chamber are not communicated with, good airproof performance; Adopt bearing structure, good reliability; Can independently be arranged on gear chamber and gear chamber cover side, easy for installation, easy to maintenance.
The aforementioned description to concrete exemplary of the present utility model is in order to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (8)
1. an auxiliary power export structure for diesel engine, it is used for installing oil hydraulic pump and provides power to described oil hydraulic pump, and the gear chamber of this diesel engine and the side of gear chamber cover have mounting interface, it is characterized in that, and this auxiliary power export structure comprises:
Installation connects piece, and it has the chamber that gear is installed, and described installation connects piece and has the port of installation and oil hydraulic pump mounting end, and described installation port mates with described mounting interface, and described chamber communicates with described gear chamber; And
Hydraulic pump gear, it is arranged in described chamber by bearing pack, described bearing pack comprises inner bearing and outer bearing, described hydraulic pump gear protrudes described installation port and can engage with the gear in described gear chamber, and the lubricant oil in described gear chamber can directly be lubricated described hydraulic pump gear and described bearing pack.
2. the auxiliary power export structure of diesel engine according to claim 1, is characterized in that, between the tooth tip of described hydraulic pump gear and the inwall of described chamber, has oil storage gap.
3. the auxiliary power export structure of diesel engine according to claim 1, is characterized in that, oil hydraulic pump is fixed by screw and described oil hydraulic pump mounting end.
4. the auxiliary power export structure of diesel engine according to claim 3, is characterized in that, described oil hydraulic pump mounting end has the tapped hole mating with described screw, and described tapped hole does not connect with described chamber.
5. the auxiliary power export structure of diesel engine according to claim 4, is characterized in that, described hydraulic pump gear can be connected by crossing spline with the main shaft of oil hydraulic pump.
6. the auxiliary power export structure of diesel engine according to claim 1, is characterized in that, also comprises oil hydraulic pump cover plate, and it is used for sealing described oil hydraulic pump mounting end.
7. the auxiliary power export structure of diesel engine according to claim 1, it is characterized in that, described installation connects piece and is provided with gear cover plate in the opposite end of described oil hydraulic pump mounting end, the marginal position of described gear cover plate is built-in with fluting flush end stop screw, described in the termination butt of described fluting flush end stop screw, outer bearing is used for described outer bearing to carry out axial limiting, and the outer end of described fluting flush end stop screw is provided with Protective nut.
8. the auxiliary power export structure of diesel engine according to claim 1, is characterized in that, described installation port and described mounting interface are bolted, and in the bolt hole of described installation port, are provided with set pin sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231074.1U CN203796410U (en) | 2014-05-07 | 2014-05-07 | Auxiliary power output structure of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231074.1U CN203796410U (en) | 2014-05-07 | 2014-05-07 | Auxiliary power output structure of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796410U true CN203796410U (en) | 2014-08-27 |
Family
ID=51378628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231074.1U Withdrawn - After Issue CN203796410U (en) | 2014-05-07 | 2014-05-07 | Auxiliary power output structure of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925077A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Auxiliary power output structure of diesel engine |
| CN108425743A (en) * | 2018-04-02 | 2018-08-21 | 广西玉柴机器股份有限公司 | The positioning pin of gear shaft |
-
2014
- 2014-05-07 CN CN201420231074.1U patent/CN203796410U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925077A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Auxiliary power output structure of diesel engine |
| CN103925077B (en) * | 2014-05-07 | 2016-08-17 | 广西玉柴机器股份有限公司 | The auxiliary power export structure of diesel engine |
| CN108425743A (en) * | 2018-04-02 | 2018-08-21 | 广西玉柴机器股份有限公司 | The positioning pin of gear shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140827 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |