CN203784614U - Multipoint power-driven grease pump - Google Patents
Multipoint power-driven grease pump Download PDFInfo
- Publication number
- CN203784614U CN203784614U CN201420210107.4U CN201420210107U CN203784614U CN 203784614 U CN203784614 U CN 203784614U CN 201420210107 U CN201420210107 U CN 201420210107U CN 203784614 U CN203784614 U CN 203784614U
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- CN
- China
- Prior art keywords
- oil
- oiled
- pump
- grease
- plate method
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- 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
- 239000004519 grease Substances 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 34
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000037452 priming Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a multipoint power-driven grease pump. The pump comprises an engine body, a motor reducing gear and a programming controller, wherein a plurality groups of pump bodies and a group of self-sealing type oil charging valves are arranged in the radial direction on the peripheral surface of the engine body; a plunger, an automatic oil-discharging valve, a safety valve, a pressure gauge and an oil outlet are arranged on each pump body; relative oil ducts in the inner part of the engine body are communicated with each other; a duplex oil-squeezing plate is fixed at the tail end of the output shaft of the motor reducing gear; the tail end of the output shaft of the motor reducing gear is connected with an eccentric gear and a secondary oil-squeezing plate through flat keys; the eccentric gear is tightly sleeved with an L type plate and a bearing and is positioned in the axial direction of a checking ring; the secondary oil-squeezing plate is fixed on the end surface of the eccentric gear through bolts; the entire shape adopts a sealed type structure. According to the utility model, the power-driven grease pump can improve the self-suction capacity of grease pumps so as to adapt to high denseness grease operation, and can improve the mechanical efficiency of a transmission mechanism evidently, reduce friction losses and prolong the service life, and besides, through adopting the sealed type outline structure, the working reliability of the pump under a highly-contaminated environment is improved.
Description
Technical field
The utility model relates to a kind of multipoint electric grease pump, belongs to function basic components in lubrication technical field.
Background technique
In grease centralized lubricating system, as the grease (lubricating grease) of working medium, can be divided into the denseness of different brackets by its key property index " Drawing cone in-degree (1/10mm) ".Because high-consistency grease film strength is high, form hold facility is strong, becomes the lubricant medium of extensive employing in the low-speed heave-load motive position of many machinery.In grease lubrication system, common using motor as power source, there is the multipoint electric plunger type grease pump of multiple independent oil outlets, its working principle is substantially by movement conversion mechanism, and drive plunger to-and-fro motion, completes grease and sucks and force feed process.At present, in known technology, there is in the use following problem: the one, in the time using high-consistency grease, inlet capacity is poor, volumetric coefficient is too low cause less fuel-displaced even cannot be fuel-displaced.Because high-consistency grease flow resistance is large, and inside often contains bubble, as the degree of vacuum that only relies on plunger to form in plunger cavity in oil-absorbing process, utilizes negative pressure to suck quite difficulty of enough greases in utmost point short time inner plunger chamber.For this reason, in existing grease pump design, between pump housing suction area and oil storage cylinder, dispose by the open type single-screw shape of main shaft drives and squeeze oiled-plate method and grid dish, institute's bubbles in grease can be racked to release, simultaneously to oil suction district extruding grease, but extrusion capability is limited, be not enough to form enough malleations and ensure intake at the grease at pump housing suction port place.The 2nd, cam (or eccentric wheel) the mechanism pushing tow plunger motion adopting is to complete force feed working stroke, its cam can not rotation, and is sliding friction between plunger end working surface, and mechanical efficiency is lower, require drive motor to have enough output powers, this is very unsuitable to grease pump miniaturization.And between cam and plunger, kinematic pair abrasion increases, and affects working life.Therefore all there is in actual use certain limitation.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of multipoint electric grease pump, the above-mentioned defect existing to overcome prior art.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of multipoint electric grease pump, comprise body, motor reducer and programming controller, some groups of pump housings of radial arrangement and one group of self sealing priming valve on the side face of described body, on the described pump housing, be furnished with plunger, automatic oil draining valve, safety valve, pressure gauge and oil outlet, inner relevant oil duct is communicated with; Described motor reducer output shaft tail end is fixed with double helix and squeezes oiled-plate method, and connects eccentric wheel and the crowded oiled-plate method of secondary by flat key, and eccentric wheel tightens cover L-type dish and bearing, and with back-up ring axially locating, its end face squeezes oiled-plate method with the fixing secondary in screw location.
The further technological scheme of the utility model is: described motor reducer overcoat case, and be screwed on body by sealing gasket, bottom is with covering palte seal, and programming controller is placed in case, and making it whole multipoint electric grease pump form structure is enclosed type.
Adopt after technique scheme, can not only improve the suction capacity of grease pump, make it to adapt to the work of high-consistency grease, and can obviously improve the mechanical efficiency of driving mechanism, reduce abrasion, extend operating life.Its closed form structure, can reduce the intrusion of external contamination thing to greatest extent, thereby improves functional reliability under high pollution environment.
Below in conjunction with the drawings and the specific embodiments, technology contents of the present utility model is described further.
Brief description of the drawings
Fig. 1 is a kind of embodiment's of the utility model multipoint electric grease pump structural representation.
Fig. 2 is that double helix of the present utility model squeezes oiled-plate method three-dimensional view.
In figure: 1. programming controller, 2. cover plate, 3. case, 4. motor reducer, 5. the output shaft of motor reducer, 6. body, 7. plunger, 8. safety valve, 9. automatic oil draining valve, 10. oil outlet, 11. hollow bolts, 12. pump housings, 13. pressure gauges, 14. 2 crowded oiled-plate methods, 15. oil storage cylinders, 16. low oil level signal-transmitting machines, 17. double helixs squeeze oiled-plate method, 18. grid dishes, 19. back-up rings, 20. flat keys, 21. bearings, 22. self sealing priming valves, 23.L type dish, 24. eccentric wheels.
Embodiment
As shown in Figure 1, the present embodiment multipoint electric grease pump, comprises that body 6, motor reducer 4, eccentric wheel 24, grid dish 18, double helix squeeze oiled-plate method 17, secondary squeezes oiled-plate method 14, oil storage cylinder 15 and low oil level signal-transmitting machine 16.On the side face of body 6, radially evenly configure the some groups of pump housings 12 and one group of self sealing priming valve 22, on the pump housing 12, be furnished with plunger 7, automatic oil draining valve 9, safety valve 8, pressure gauge 13 and hollow bolt 11, hollow bolt 11 has oil outlet 10, and inner relevant oil duct is communicated with.Motor reducer output shaft 5 tail ends are fixed with double helix and squeeze oiled-plate method 17, and connect eccentric wheel 24 and the crowded oiled-plate method 14 of secondary by flat key 20, eccentric wheel 24 tightens cover L-type dish 23 and bearing 21, and with back-up ring 19 axially locating, its end face squeezes oiled-plate method 14 with the fixing secondary in screw location.Motor reducer 4 overcoat cases 3, and be screwed on body 6 by sealing gasket, bottom is sealed with cover plate 2, and programming controller 1 is placed in case 3.Case 3, in order to capping motor reducer 4, forms closed form structure, can reduce to greatest extent the intrusion of external contamination thing, thereby improves functional reliability under high pollution environment.Between above-mentioned associated components, attachment face all adopts gasket seal.Because high-consistency grease flow resistance is very large, oil absorption is very poor, in the present embodiment, secondary squeezes oiled-plate method 14 and is configured in the oil suction district of body 6 and is positioned at above the oil-sucking hole of the pump housing 12, its cross section is spiral-shaped structure, the grease sucking is carried out to extruding for the second time, to improve the malleation energy of oil-sucking hole place grease, can effectively improve suction characteristics.
Before startup, set working procedure by programming controller 1, motor reducer 4 enters operating condition by the direction of arrow shown in Fig. 1, motor reducer output shaft 5 drives eccentric wheel 24, double helix squeezes oiled-plate method 17, secondary squeezes oiled-plate method 14 and rotates, complete force feed working stroke by bearing 21 pushing tow plunger 7 end faces that are contained on eccentric wheel 24, form rolling friction in the 21 outer ring rotations of pushing tow process middle (center) bearing and plunger 7 end planes, compared with the sliding friction being produced by the direct pushing tow plunger of eccentric wheel in known technology, can effectively improve mechanism driving efficiency, and reduce the abrasion between kinematic pair.The oil suction return stroke of plunger 7 is completed by L-type dish 23 eccentric rotary.Pressure grease is discharged through the oil outlet 10 of hollow bolt 11 by the automatic oil draining valve 9 in the pump housing 12, and pressure indicating value is shown by pressure gauge 13, once superpressure is by safety valve 8 pressure releases.The double helix being driven by motor reducer output shaft 5 squeezes oiled-plate method 17, by grid dish 18, grease is pushed to oil suction district, bottom, and eliminates bubble in grease.
As shown in Figure 2, in the present embodiment, double helix squeezes oiled-plate method 17, its cross section is semiclosed ㄇ type structure, on lower end surface and grid dish 18, between plane, leave movement clearance, in the time that double helix squeezes oiled-plate method 17 and illustrates direction of arrow rotation in by Fig. 1, in chamber, grease is squeezed, because two side seals close, can only carry to the extruding of oil suction district, bottom by passage in grid dish 18, the afterbody of the crowded oiled-plate method of double helix pushes and discharges bubble in grease simultaneously, to eliminate air in grease.And common open auger crushing plate, in the time that grease is squeezed can to two sides and below three directions flow, very limited to the squeezing effect in the district of oil suction below.In the present embodiment, adopt the double helix that is arranged symmetrically with to squeeze oiled-plate method, than conventional single-screw squeeze oiled-plate method, can form relatively continuous in grease extrusion process.Therefore, grease squeezing effect and elimination grease air entrapment ability are all significantly improved, poor to overcome high-consistency grease fluid ability, the drawback of grease pump oil suction difficulty.
Claims (5)
1. a multipoint electric grease pump, comprise body (6), motor reducer (4) and programming controller (1), it is characterized in that: some groups of pump housings of radial arrangement (12) and one group of self sealing priming valve (22) on the side face of described body (6), on the described pump housing (12), be furnished with plunger (7), automatic oil draining valve (9), safety valve (8), pressure gauge (13) and oil outlet (10), inner relevant oil duct is communicated with; Described motor reducer output shaft (5) tail end is fixed with double helix and squeezes oiled-plate method (17), and connect eccentric wheel (24) and the crowded oiled-plate method (14) of secondary by flat key (20), eccentric wheel (24) tightens cover L-type dish (23) and bearing (21), and with back-up ring (19) axially locating, its end face squeezes oiled-plate method (14) with the fixing secondary in screw location.
2. multipoint electric grease pump according to claim 1, it is characterized in that: described motor reducer (4) overcoat case (3), and be screwed at body (6) above by sealing gasket, bottom is with cover plate (2) sealing, and programming controller (1) is placed in case (3).
3. multipoint electric grease pump according to claim 1 and 2, is characterized in that: described double helix squeezes oiled-plate method (17), and its cross section is semiclosed ㄇ type structure.
4. multipoint electric grease pump according to claim 1 and 2, is characterized in that: described secondary squeezes in the oil suction district that oiled-plate method (14) is configured in body (6), and is positioned at the oil-sucking hole top of the pump housing (12), and its cross section is spiral-shaped structure.
5. multipoint electric grease pump according to claim 3, is characterized in that: described secondary squeezes in the oil suction district that oiled-plate method (14) is configured in body (6), and is positioned at the oil-sucking hole top of the pump housing (12), and its cross section is spiral-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210107.4U CN203784614U (en) | 2014-04-28 | 2014-04-28 | Multipoint power-driven grease pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210107.4U CN203784614U (en) | 2014-04-28 | 2014-04-28 | Multipoint power-driven grease pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784614U true CN203784614U (en) | 2014-08-20 |
Family
ID=51320801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210107.4U Expired - Lifetime CN203784614U (en) | 2014-04-28 | 2014-04-28 | Multipoint power-driven grease pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500271A (en) * | 2018-05-16 | 2019-11-26 | 北京中冶华润科技发展有限公司 | Pressure oil mechanism and oil pumping device |
-
2014
- 2014-04-28 CN CN201420210107.4U patent/CN203784614U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500271A (en) * | 2018-05-16 | 2019-11-26 | 北京中冶华润科技发展有限公司 | Pressure oil mechanism and oil pumping device |
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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: 20140820 |
|
| CX01 | Expiry of patent term |