CN203604961U - Speed reducer forced lubrication system - Google Patents
Speed reducer forced lubrication system Download PDFInfo
- Publication number
- CN203604961U CN203604961U CN201320806998.5U CN201320806998U CN203604961U CN 203604961 U CN203604961 U CN 203604961U CN 201320806998 U CN201320806998 U CN 201320806998U CN 203604961 U CN203604961 U CN 203604961U
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- Prior art keywords
- oil
- speed reducer
- lubricant
- lubricating system
- forced lubricating
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 47
- 238000005461 lubrication Methods 0.000 title abstract description 24
- 239000000314 lubricant Substances 0.000 claims abstract description 53
- 230000001050 lubricating effect Effects 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 77
- 230000007246 mechanism Effects 0.000 description 10
- 230000009467 reduction Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a speed reducer forced lubrication system. The forced lubrication system comprises lubricant pumps, valves, an oil way assembly, oil spray nozzles and an electrical control system. The oil way assembly comprises an oil supply pipeline and an oil return pipeline. The oil outlets of the lubricant pumps are connected with the oil supply pipeline, and the oil inlets of the lubricant pumps are connected with the oil return pipeline. The valves are arranged at the oil outlets and the oil inlets of the lubricant pumps respectively. The oil spray nozzles are arranged at the tail ends of branch pipes, extending to all lubrication points, of the oil supply pipeline. The number of the lubricant pumps is two. The lubricant pumps are connected to the oil way assembly in parallel. Switching of the working states of the two lubricant pumps is achieved through the electrical control system. According to the speed reducer forced lubrication system, a speed reducer can be fully lubricated both in the working process and in the stopped state, the lubricant pumps can be replaced on line without the shutdown operation, and the speed reducer forced lubrication system is convenient to use and overhaul.
Description
Technical field
The utility model relates to the lubricated field of speed reducer, relates in particular to a kind of speed reducer forced lubricating system for crane hoisting mechanism.
Background technique
In Hoisting Machinery, lifting mechanism is used for making freight lifting or decline, is the most basic functional entity of hoist.Lifting mechanism generally includes: suspension hook, cable drum, braking device, speed reducer, drive unit, safety installations, commanding apparatus and support bed etc.Typical lifting mechanism, it is connected with the input shaft (high speed shaft) of retarder by coupling that it is configured to oil hydraulic motor, on the output shaft (lower velocity shaft) of retarder, cable drum is housed, and it is connected with suspension hook with sheave block by wire rope.When lifting mechanism work, reel involves in wire rope or emit, thereby the article that make to be suspended on suspension hook by sheave block hoist or decline, the article that hanged when lifting mechanism quits work rely on break to check, and hoisting and declining of suspension hook changed direction by oil hydraulic motor and started to realize.
Hoist reduction gear divides by tooth face hardness the soft flank of tooth, middle hard gear-face and the hard flank of tooth, divide by mounting type have horizontal, vertical, set type, suspension set type etc., be mainly used in the hoisting of hoist, move, revolution and luffing four great institutions.Wherein, for the retarder of lifting mechanism, because often starting braking thereby inertial load are larger, the violent friction between bearing and gear can produce heat, and therefore good lubrication and cooling must guarantee.
Generally adopt at present splash lubrication method both at home and abroad, while being speed reducer running, lubricant oil is lubricated by splashing on bearing or gear, in the time that lifting mechanism quits work, bearing in reduction gears and gear engagement place cannot be lubricated and cooling, if dead time is long, suddenly startup easily causes gear engagement to be lost efficacy, and makes that speed reducer internal component is impaired affects working life.
Model utility content
An object of the present utility model is, adopts forced lubricating system to replace splash lubrication, makes speed reducer no matter in operation process or when outage state, can both guarantee sufficient lubrication.
Another object of the present utility model is, described forced lubricating system is designed with that two cover lubricating fittings are in parallel to be used, and takes intelligent control, switches without shutting down to realize on line, makes speed reducer can freely tackle the lifting of different work rate and maintain easily maintenance.
To achieve these goals, the utility model provides a kind of speed reducer forced lubricating system, it is characterized in that: comprise lubricant pump, valve, oil circuit assembly, oil nozzle and electric control system,
Described oil circuit assembly comprises oil feed line and return line;
The oil outlet of described lubricant pump is connected with oil feed line, and filler opening is connected with return line;
Oil outlet and the filler opening of described lubricant pump are respectively equipped with valve;
The arm end that described oil feed line extends to each lubricating point is provided with oil nozzle;
Described lubricant pump is two, accesses in parallel oil circuit assembly, realizes two working staties between lubricant pump switch by electric control system.
Further, also comprise according to speed reducer forced lubricating system of the present utility model the oil storage tank being welded on box body of speed reducer inwall, this oil storage tank and bearing (ball) cover form oil storage space, and bearing lower end is immersed in lubricant oil.
Further, described oil storage tank can be made up of steel plate, and the upper end of steel plate exceeds bearing lower end.
Further, described two lubricant pumps can be symmetrical arranged with respect to speed reducer center line.
Further, described valve can be ball valve.
Further, described oil nozzle is multiple and all accesses oil circuit assembly with parallel way.
Further, described oil nozzle can be made up of columniform main body and conical oil nozzle.
Further, described speed reducer forced lubricating system also comprises the flow detector being located in described oil circuit assembly.
The beneficial effect that the utility model is obtained is:
1, adopt forced lubricating system, the restriction that the splash lubrication mode breaking traditions only can be lubricated in the time that speed reducer turns round, makes speed reducer no matter in operation process or outage state, can both guarantee that bearing and gear obtain sufficient lubrication and cooling.
2, the oil storage space that oil storage tank and bearing (ball) cover form, is immersed in lubricating oil bearing, all the time in lubricated state; prevent from opening suddenly after the long-time shutdown of speed reducer; or forced lubricating pump in service breaks down, cause bearing in reduction gears lubricated insufficient, damage bearing.
3, two cover lubricant pumps, with parallel way access oil circuit assembly, use according to different operating mode rotations, can under the state that does not need shutdown, mutually switch, and use and overhaul all very convenient.
4, operating time and the switching frequency of two lubricant pumps can be set by electric control system, the object of sufficient lubrication can be guaranteed to reach, the working life that can improve again lubricant pump.
Accompanying drawing explanation
By the description of embodiment being carried out below in conjunction with accompanying drawing, above and other object of the present utility model and feature will become apparent, wherein:
Fig. 1 is according to the sectional view of the utility model embodiment's speed reducer;
Fig. 2 is the speed reducer forced lubricating system schematic diagram according to the utility model embodiment;
Fig. 3 is the oil nozzle schematic diagram according to the utility model embodiment;
Fig. 4 is according to the sectional view of the utility model embodiment's oil storage tank mounting point.
Embodiment
Describe by reference to the accompanying drawings embodiment of the present utility model in detail below.But embodiment described below is only exemplary, and should not be understood to for limiting the utility model, label identical in accompanying drawing represents identical element all the time.
According to embodiment of the present utility model, for the splash lubrication mode breaking traditions, design a kind of speed reducer forced lubricating system, cross the bearing of tooth assembling and the pressure lubrication of gear engagement place for high speed shaft, lower velocity shaft and the centre of speed reducer.
Fig. 1 is according to the sectional view of the utility model embodiment's speed reducer.As shown in Figure 1, this speed reducer is dual output gear reduction unit, can be used for the main hoisting mechanism of hoist, this speed reducer mainly comprises upper box 100, lower box 200, two high speed shafts 300 and two lower velocity shafts 400, the cabinet of this speed reducer adopts yi word pattern integral solder structure, and lower box 200 and the hoist main carriage top (not shown) of this speed reducer are welded into entirety.
Fig. 2 is the speed reducer forced lubricating system schematic diagram according to the utility model embodiment, and described forced lubricating system comprises lubricant pump 10, valve 20, oil circuit assembly 30, oil nozzle 40, oil storage tank 50 and electric control system (not shown).Wherein, oil circuit assembly 30 comprises oil feed line 31, arm 32, return line 33.The oil outlet of lubricant pump 10 is connected with oil feed line 31, and filler opening is connected with return line 33.Arm 32 ends that oil feed line 31 extends to each lubricating point are provided with oil nozzle 40.Oil storage tank 50 is welded on speed reducer lower box 200 inwalls near each gear shaft lubricating point, to this, will be illustrated in conjunction with the content shown in Fig. 4 in the back.Lubricant pump 10 is two, accesses in parallel oil circuit assembly 30, and the oil outlet of every lubricant pump 10 and filler opening are equipped with valve 20, realizes two working staties between lubricant pump 10 switch by electric control system.
When use, in order to realize, best lubrication effect, the shortest oil circuit lay path and maximum oil pump is changed space, preferably two lubricant pumps 10 are symmetrical arranged with respect to speed reducer center line, for example: be arranged between two reel (not shown) that speed reducer middle part and two lower velocity shafts 400 be connected, the filler opening of two lubricant pumps 10 is deep into apart from speed reducer bottom 100mm eminence fixing, the filler opening of two lubricant pumps 10 is all connected with return line 33, and oil outlet is all connected with oil feed line 31.
On the oil outlet of lubricant pump 10 and the pipeline of filler opening, valve 20 is set to control switching and the flow of importing and exporting oil circuit, before the forced lubricating system of the present embodiment comes into operation, first valve 20 is debugged to optimum position, in use, can make valve 20 for a long time in opening state and without adjusting again.The valve 20 of the present embodiment is preferably ball valve, but the utility model is not limited to this, also can adopt as required membrane valve or solenoid valve, automatically controls to realize more accurately.
One in two lubricant pumps 10 in the time of operation; another can be used as standby host; the hoist high to operating rate can use two lubricant pump rotations; while switching lubricant pump, first open stand by pump; after entering normal operation, it again operation pump is shut down, and like this can be in the online switching that does not need to realize under outage state two lubricant pumps.When machine examination maintenance, also can guarantee not affect operation, be conducive to extend the working life of lubricant pump and reduce the shutdown loss of changing lubricant pump.
According to the present embodiment, bearing in reduction gears and gear have multiple lubricating points that need pressure lubrication, oil feed line 31 is provided with multiple arms 32 and extends to respectively corresponding lubricating point place, the end of each arm 32 is provided with oil nozzle 40, these oil nozzles 40 are all with parallel way access oil circuit assembly 30, so that the flow of lubrication of each lubricating point is evenly distributed.
Fig. 3 is the oil nozzle schematic diagram according to the utility model embodiment.As shown in Figure 3, oil nozzle 40 is made up of main body 41 and oil nozzle 42, and main body 41 is cylindrical, and it is conical that oil nozzle 42 is, and the diameter of oil nozzle 42 is less than the pipeline diameter of oil feed line 31, thereby makes lubrication effect better to realize the more change of lubricating oil pressure in oil circuit.Can and go out oil pressure according to the flow of selected lubricant pump, the action radius that calculates oil nozzle and lubricating point designs the position of oil nozzle, so that each lubricating point obtains sufficient lubrication.
Fig. 4 is according to the sectional view of the utility model embodiment's oil storage tank mounting point.Fig. 4 amplification shows the structure of drawing a circle and locating in Fig. 2, as shown in Figure 4, upper box 100, lower box 200 and the bearing (ball) cover 102 of speed reducer surround the bearing of high speed shaft 300 101 jointly, oil storage tank 50 be located at bearing 101 bore holes inner sides under, be welded on lower box 200 inwalls.Oil storage tank 50 forms by base plate 50b with along the side plate 50a that base plate 50b crosses predetermined space, side plate 50a exceeds the bore hole lower end of bearing 101, thereby oil storage tank 50 and bearing (ball) cover 102 form the oil storage space 103 of certain volume, the lubricant oil that oil nozzle 40 is exported, flow into oil storage space 103 through bearing 101, make oil storage space 103 obtain lubricant oil.Boxwork in Fig. 4 represents the lubricant oil in oil storage space 103, and bearing 101 is immersed in lubricant oil and by sufficient lubrication.The oil storage tank 50 of the present embodiment is preferably made up of the steel plate of 2mm, and size is determined according to the size of installing space.
The forced lubricating system of the present embodiment also comprises electric control system, can set corresponding control program for different operating mode demands, for example: after adopting 1# lubricant pump to move 4 hours continuously, brake and switch to 2# lubricant pump and move 4 hours continuously, then brake and switch back the controlling method of 1# lubricant pump.
But enforcement of the present utility model is not limited to this, also every lubricant pump can be designed to mechanism of working around the clock, adopt two cover lubricant pump rotations to use, reach the object that can guarantee that sufficient lubrication can extend the working life of lubricant pump again.
In addition; the electric control system of the present embodiment also comprises flow detector; in order to monitor the oil pressure of oil circuit; in the time that oil pressure value does not reach specified value; flow detector sends feedback signal to electric control system shuts down speed reducer; with the safety of protection speed reducer, avoid because faulty lubrication makes bearing damage, cause impaired cannot the reparation of bearing in reduction gears bore hole and the situation of scrapping occurs.
In sum; speed reducer forced lubricating system described in the utility model has been broken the limitation of traditional splash lubrication mode; solve speed reducer and under outage state, cannot lubricate, under job state, lubricate again inadequate technical problem; and can take intelligent control to make to switch mutually between two cover lubricant pumps; handoff procedure is without shutdown operation; can significant prolongation service life of equipment; reduce shutdown loss; realize the continuous hoisting operation of long-time high operating rate, there is height use value and economic benefit.
Although described by reference to the accompanying drawings embodiment of the present utility model, those skilled in the art, in the situation that not departing from principle of the present utility model and spirit, can carry out various possible distortion and modification to embodiment.Therefore, protection domain of the present utility model should be as the criterion with the scope being defined in claims.
Claims (8)
1. a speed reducer forced lubricating system, is characterized in that: comprise lubricant pump, valve, oil circuit assembly, oil nozzle and electric control system,
Described oil circuit assembly comprises oil feed line and return line;
The oil outlet of described lubricant pump is connected with oil feed line, and filler opening is connected with return line;
Oil outlet and the filler opening of described lubricant pump are respectively equipped with valve;
The arm end that described oil feed line extends to each lubricating point is provided with oil nozzle;
Described lubricant pump is two, accesses in parallel oil circuit assembly, realizes two working staties between lubricant pump switch by electric control system.
2. speed reducer forced lubricating system as claimed in claim 1, is characterized in that: also comprise the oil storage tank being welded on box body of speed reducer inwall, this oil storage tank and bearing (ball) cover form oil storage space, and bearing lower end is immersed in lubricant oil.
3. speed reducer forced lubricating system as claimed in claim 2, is characterized in that: described oil storage tank is made up of steel plate, the upper end of steel plate exceeds bearing lower end.
4. speed reducer forced lubricating system as claimed in claim 1, is characterized in that: described two lubricant pumps are symmetrical arranged with respect to speed reducer center line.
5. speed reducer forced lubricating system as claimed in claim 1, is characterized in that: described valve is ball valve.
6. speed reducer forced lubricating system as claimed in claim 1, is characterized in that: described oil nozzle is multiple and all accesses oil circuit assembly with parallel way.
7. speed reducer forced lubricating system as claimed in claim 6, is characterized in that: described oil nozzle is made up of columniform main body and conical oil nozzle.
8. speed reducer forced lubricating system as claimed in claim 1, is characterized in that: also comprise the flow detector being located in described oil circuit assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806998.5U CN203604961U (en) | 2013-12-10 | 2013-12-10 | Speed reducer forced lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806998.5U CN203604961U (en) | 2013-12-10 | 2013-12-10 | Speed reducer forced lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604961U true CN203604961U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806998.5U Expired - Lifetime CN203604961U (en) | 2013-12-10 | 2013-12-10 | Speed reducer forced lubrication system |
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| Country | Link |
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| CN (1) | CN203604961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224092A (en) * | 2016-08-20 | 2016-12-14 | 泉州鑫豪工程机械科技有限公司 | A kind of self lubricating system of power takeoff |
-
2013
- 2013-12-10 CN CN201320806998.5U patent/CN203604961U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224092A (en) * | 2016-08-20 | 2016-12-14 | 泉州鑫豪工程机械科技有限公司 | A kind of self lubricating system of power takeoff |
| CN106224092B (en) * | 2016-08-20 | 2019-01-08 | 泉州鑫豪工程机械科技有限公司 | A kind of self lubricating system of power takeoff |
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| 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: 20140521 |