CN201582111U - Triple low-pressure gear pump - Google Patents
Triple low-pressure gear pump Download PDFInfo
- Publication number
- CN201582111U CN201582111U CN2009202494621U CN200920249462U CN201582111U CN 201582111 U CN201582111 U CN 201582111U CN 2009202494621 U CN2009202494621 U CN 2009202494621U CN 200920249462 U CN200920249462 U CN 200920249462U CN 201582111 U CN201582111 U CN 201582111U
- Authority
- CN
- China
- Prior art keywords
- pump housing
- driven
- gear
- pump body
- main shaft
- 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
Links
- 238000000605 extraction Methods 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 9
- 229910000906 Bronze Inorganic materials 0.000 claims description 7
- 239000010974 bronze Substances 0.000 claims description 7
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 210000003660 reticulum Anatomy 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model belongs to a hydraulic equipment basic part, in particular to a triple low-pressure gear pump which comprises a front body (7), a rear cover (1), a front cover (10), a flange plate (12), a bearing (19) and a bolt (29); a working pump body (4), a lubricating pump body (3) and an oil drain pump body (2) are sequentially mounted between the front body (7) and the rear cover (1); a spindle (17), a driven second shaft (18) and a third shaft (27) are mounted in the working pump body (4), the lubricating pump body (3) and the oil drain pump body (2); gears (23) meshed with each other are mounted on the spindle (17) in the working pump body (4) and the second shaft (18) through flat keys (5), gears (25) and (26) meshed with each other are mounted on the spindle (17) in the working pump body (4) and the third shaft (27) in the oil drain pump body (2) through flat keys (5); the triple low-pressure gear pump reduces the noise of the pump, improves the efficiency and service life of the gear pump.
Description
Technical field
The utility model belongs to the hydraulic equipment basic part, particularly a kind of three low pressure gear pumps.
Background technique
At present, used working pump, lubricant pump and the oil drain pump of bulldozer that uses all adopts stand alone type installation separately both at home and abroad, use many cover transmission devices, make that the equipment overall structure volume is big, complex structure, the loaded down with trivial details confusion of oil circuit, make troubles for maintaining equipments, maintenance, the amount of finish of other three cover pumps is big, cost height, inefficiency.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provide a kind of simple in structure, volume is little, be convenient to install, three low pressure gear pumps of maintenance, high working efficiency.
The technological scheme that the utility model technical solution problem adopts is: three low pressure gear pumps comprise precursor, bonnet, protecgulum, flange plate, bearing, bolt, be characterized between precursor and bonnet, being equipped with successively the work pump housing, the lubricated pump housing, the oil extraction pump housing, the parallel main shaft that is equipped with in the work pump housing, the lubricated pump housing, the oil extraction pump housing, driven two and three, work in the pump housing main shaft and two on the flat key mutual meshed gears of pretending, on the main shaft in the work pump housing, the oil extraction pump housing and three with flat key pretend mutual meshed gears, gear; Work in the pump housing main shaft and two on, the left side of gear establishes side plate, establishes compensation assembly on the right side, side plate is made up of steel and tin bronze plate sintering, waist shape centre has compensating groove on tin bronze plate face, compensation assembly is made up of 3 word adhesive tape and 3 word blend stops.
The beneficial effects of the utility model are: three low pressure gear pumps adopt three kinds of functions of treble pump body to simplify device structure and have reduced volume, be convenient to installation and maintenance, on side plate, establish compensating groove, reduce the noise of pump, be provided with compensation assembly, side plate is fully contacted with face of gear, improved the efficient of gear pump, operate steadily, improved the working life of pump.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is three low pressure gear pump structure sectional views.
Fig. 2 is Fig. 1 latus inframedium structural front view.
Fig. 3 is the left side view of Fig. 2.
Fig. 4 is a compensation assembly structural front view among Fig. 1.
Fig. 5 is the A-A sectional view of Fig. 4.
Among the figure, the 1-bonnet; The 2-oil extraction pump housing; 3-lubricates the pump housing; The 4-pump housing of working; The 5-flat key; 6-3 word adhesive tape; 6-1-3 word blend stop; The 7-precursor; 8-O shape circle one; The 9-back-up ring; The 10-protecgulum; The 11-circlip for hole; The 12-flange plate; 13-is stifled; The 14-outside framework oil seal; The 15-deep groove ball bearing; The 16-circlip for shaft; The 17-main shaft; Driven two of 18-; The 19-needle bearing; 20-axle-steel silk back-up ring; The 21-packing ring; 22-O shape circle two; The 23-gear; The 24-side plate; The 24-1-compensating groove; 24-2-tin bronze plate; The 25-gear; The 26-gear; Driven three of 27-; The 28-hollow pin; The 29-bolt.
Embodiment
Embodiment, with reference to accompanying drawing 1～5, the oil extraction pump housing 2 of three low pressure gear pumps, the lubricated pump housing 3, the work pump housing 4 usefulness bonnets 1, precursor 7 and O shape enclose 2 22, bolt 29 packing rings 21 tighten together, and all locate with hollow pin 28 on the bolt 29 between precursor 7, bonnet 1, the oil extraction pump housing 2, the lubricated pump housing 3, the work pump housing 4.In precursor 7, the work pump housing 4, the lubricated pump housing 3, the oil extraction pump housing 2, all adorn parallel main shaft 17 and driven two 18 and three 27 with needle bearing 19.Work in the pump housing 4 main shaft 17 and driven two 18 on the flat key 5 mutual meshed gears 23 of pretending, pretend on the main shaft 17 in lubricating the pump housing 3, the oil extraction pump housing 2, driven three 27 mutual meshed gears 25 and gear 26.At needle bearing 19 two ends axle-steel silk back-up ring 20 is housed all.Gear 23 left ends dress side plate 24 on main shaft 17 and driven two 18, side plate 24 with tin bronze plate 24-2 sintering, has the compensating groove 24-1 of large semi-circular by the 45# steel plate in the middle of the waist shape on tin bronze plate 24-2 face.Be provided with compensation assembly at gear 23 right-hand members, compensation assembly is by 3 word adhesive tape 6 and 3 word blend stop 6-1 overlapping composition.In the right side of precursor 7 with O shape enclose 1, back-up ring 9 and deep groove ball bearing 15, circlip for shaft 16 dress protecgulums 10, with outside framework oil seal 14 dress flange plate 12, in the endoporus of the termination of flange plate 12, be equipped with and block up 13 the termination of protecgulum 10 in.
The working procedure of three low pressure gear pumps is: when engine operation, drive main shaft 17 rotations by flange plate 12, be contained in the gear 23 on the main shaft 17 this moment, gear 25, gear 26 rotates simultaneously, pass through gear engagement, make the driven gear counterrotating that is contained on driven two 18 and driven three 27, two meshed gears are with front and rear covers in the pump 10,1 and the sealed volume separated into two parts that surrounds of gear, the side sealing volume that gear enters engagement reduces, through pressing the hydraulic fluid port oil extraction, a side sealing volume that withdraws from engagement increases, through the inlet port oil suction, working pump is delivered to hydraulic actuator from the fuel tank oil suction after pressurization, make equipment finish the work of appointment, lubricant pump is delivered to the position that equipment need lubricate after fuel tank oil suction pressurization, and oil drain pump is that the oil return with working pump and lubricant pump flows back to fuel tank.
Claims (2)
1. low pressure gear pump, comprise precursor (7), bonnet (1), protecgulum (10), flange plate (12), bearing (19), bolt (29), it is characterized in that between precursor (7) and bonnet (1), the work pump housing (4) being housed successively, the lubricated pump housing (3), the oil extraction pump housing (2), at the work pump housing (4), the lubricated pump housing (3), the parallel main shaft (17) that is equipped with in the oil extraction pump housing (2), driven two (18) and driven three (27), on main shaft (17) in the work pump housing (4) and driven two (18) with flat key (5) the mutual meshed gears (23) of pretending, at the pump housing (4) of working, on main shaft (17) in the oil extraction pump housing (2) and driven three (27) with flat key (5) the mutual meshed gears (25) of pretending, gear (26); Go up main shaft (17) in the work pump housing (4) and driven two (18), side plate (24) is established in the left side of gear (23), establishes compensation assembly on the right side.
2. three low pressure gear pumps according to claim 1, it is characterized in that side plate (24) is made up of steel and tin bronze plate (24-2) sintering, have compensating groove (24-1) in the middle of the waist shape on tin bronze plate (24-2) face, compensation assembly is made up of 3 word adhesive tape (6) and 3 word blend stops (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202494621U CN201582111U (en) | 2009-11-27 | 2009-11-27 | Triple low-pressure gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202494621U CN201582111U (en) | 2009-11-27 | 2009-11-27 | Triple low-pressure gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201582111U true CN201582111U (en) | 2010-09-15 |
Family
ID=42724109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202494621U Expired - Fee Related CN201582111U (en) | 2009-11-27 | 2009-11-27 | Triple low-pressure gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201582111U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444777A (en) * | 2010-10-06 | 2012-05-09 | 奥格斯塔韦斯兰股份公司 | Pump assembly, in particular for helicopter lubrication |
| CN104358686A (en) * | 2014-11-19 | 2015-02-18 | 哈尔滨广瀚燃气轮机有限公司 | Electric lubricating oil scavenging pump of combustion gas turbine |
| CN107013454A (en) * | 2017-04-13 | 2017-08-04 | 天津市汇晶丰精密机械有限公司 | A kind of reinforced combination triple gear pump |
-
2009
- 2009-11-27 CN CN2009202494621U patent/CN201582111U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444777A (en) * | 2010-10-06 | 2012-05-09 | 奥格斯塔韦斯兰股份公司 | Pump assembly, in particular for helicopter lubrication |
| CN102444777B (en) * | 2010-10-06 | 2016-03-02 | 奥格斯塔韦斯兰股份公司 | Be used in particular for the pump assembly of helicopter lubrication |
| CN104358686A (en) * | 2014-11-19 | 2015-02-18 | 哈尔滨广瀚燃气轮机有限公司 | Electric lubricating oil scavenging pump of combustion gas turbine |
| CN107013454A (en) * | 2017-04-13 | 2017-08-04 | 天津市汇晶丰精密机械有限公司 | A kind of reinforced combination triple gear pump |
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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: 20100915 Termination date: 20131127 |