CN205350079U - Special slide bearing of self -lubricating motor - Google Patents
Special slide bearing of self -lubricating motor Download PDFInfo
- Publication number
- CN205350079U CN205350079U CN201620150441.4U CN201620150441U CN205350079U CN 205350079 U CN205350079 U CN 205350079U CN 201620150441 U CN201620150441 U CN 201620150441U CN 205350079 U CN205350079 U CN 205350079U
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- oil
- grease chamber
- radiator
- straight trough
- groove
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- Withdrawn - After Issue
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Abstract
The utility model discloses a special slide bearing of self -lubricating motor, including the bearing box, the axle bush, pivot and oil ring, the inside left grease chamber of formation of bearing box, middle grease chamber and right grease chamber, left side grease chamber and right grease chamber connect the radiator, inner heat dissipation fin is established to the outer wall of radiator, the department established the baffle in the middle of the radiator was inside, it respectively establishes a play oil pipe who stretches into middle grease chamber to lie in the baffle both sides on the radiator, the radiator is located the water tank of bearing box bottom, the equal oil distributing groove of inner wall circumference of oil ring, the oil groove is including the dovetail groove and the straight flute of intercommunication, the same overhead gage and lower baffle of straight flute are lived in the shutoff that distributes about being equipped with on the straight flute, form square space between overhead gage and the lower baffle, establish mobilizable oil absorption felt in the square space, establish on two relative angles of oil absorption felt along its width direction's arc breach. The utility model discloses reduced the temperature of inside lubricating oil, heat dispersion improves greatly, the oil ring take the oil mass big, reduced the temperature rise that the friction produced.
Description
Technical field
This utility model relates to sliding bearing technical field, especially relates to a kind of special sliding bearing of self-lubricating motor.
Background technology
Use the motor of self-lubricating plain bearing because not needing extraneous recycle oil system, there is Original equipment fund input few, convenient for installation and maintenance, the advantage of operation and running state monitoring simplicity, therefore it is widely used in modern industry.In known technology, lubrication is played in the gap that the lubricating oil that in bearing housing, self stores is brought between rotating shaft and bearing shell by the oil ring that the self-lubricating plain bearing that motor uses relies on and rotating shaft rotates together, conventional oil ring is the annulus that cross section is trapezoidal, only rely on oil viscosity and be adsorbed on oil ring, again along with relative motion surface is taken in the rotation of rotating shaft to, the oil mass being with is limited, effect is undesirable, existing also occur in that on the market in set the oil ring of T-shaped oil groove, except increasing the contact surface that oil is adsorbed on oil ring, the container of T-shaped oil groove or a kind of oil, equally oil is taken up when oil ring rotates time image waterwheel, T-shaped oil groove is along with when rotating the top arriving rotating shaft of oil ring, lubricating oil in T-shaped oil groove injects the gap between rotating shaft and bearing shell, but T-shaped oil groove may result in most oil and directly comes down in torrents and back into fuel tank when oil ring forwards its intermediate altitude to, T-shaped oil groove has again many oil and reveals when rising to top from the intermediate altitude of oil ring, the real oil injected between rotating shaft and bearing shell is considerably less, therefore it is badly in need of the tank structure of oil ring is improved, its oil in the process rotating rising from oil ring bottom to intermediate altitude to top gradually is made to run off in a large number, the bearing block of original structure is internal simultaneously is holistic grease chamber, in grease chamber, lubricating oil does not circulate, and deep fat light specific gravity, float on the surface, it is deep fat that oil ring takes the oil on bearing shell to axis of rotation, it is badly in need of lubricating oil is cooled.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of special sliding bearing of self-lubricating motor, effectively reduces the temperature of the lubricating oil of inside, and heat dispersion is greatly improved, and the band oil mass of oil ring is big, reduces fricative temperature rise.
For reaching above-mentioned purpose, the technical solution of the utility model is: a kind of special sliding bearing of self-lubricating motor, including bearing housing, bearing shell, rotating shaft and oil ring, described bearing housing is internally formed left grease chamber, middle grease chamber and right grease chamber, the bottom of described left grease chamber and right grease chamber passes sequentially through horn mouth passage and curved channel is connected to two end entrances of radiator, the outer wall of described radiator is provided with the interior fin being distributed along its length, radiator bosom place is provided with dividing plate, radiator is positioned at dividing plate both sides and respectively sets a flowline stretching into middle grease chamber, radiator is positioned at the water tank bottom bearing housing, described water tank bottom outer wall is provided with outer fin, the upper and lower side of water tank is respectively equipped with water inlet pipe and outlet pipe, the bottom of described oil ring is stretched in the lubricating oil of middle grease chamber, inwall circumference all spreader grooves of oil ring, described oil groove includes dovetail groove and the straight trough of connection, the inwall of described straight trough connection oil ring, the upper base of described dovetail groove is provided with two square straight troughs of symmetry, two straight troughs are all obliquely installed and form V-shaped structure, straight trough is provided with the identical square overhead gage blocking straight trough and lower baffle plate that are distributed up and down, described overhead gage and lower baffle plate be arranged in parallel and overhead gage and lower baffle plate all with straight trough vertical distribution, upper surface outside the close straight trough of overhead gage is provided with horn mouth groove, the bigger diameter end of described upper horn mouth groove is positioned at the upper surface of overhead gage, the miner diameter end connection of upper horn mouth groove is positioned at the multiple upper through hole of the lower surface outside the close straight trough of overhead gage, lower surface inside the close straight trough of described lower baffle plate is provided with lower horn mouth groove, the bigger diameter end of described lower horn mouth groove is positioned at the lower surface of lower baffle plate, the miner diameter end connection of lower horn mouth groove is positioned at multiple lower through-holes of the upper surface inside the close straight trough of lower baffle plate, long a is formed between described overhead gage and lower baffle plate, wide b, the square space of high c, long d it is provided with in described square space, wide e, the square asphalt felt of high f, the length d of described asphalt felt is less than the minimum range g between lower through-hole and the outboard end of lower baffle plate, the width e of the asphalt felt upper through hole more than edge and the width at square space with this on the distant side of through hole ultimate range h and less than the width b of square space, the height f of asphalt felt is less than the height c of square space, relative two angle of asphalt felt is provided with the arc notch along its width, arc notch near upper through hole is positioned at inside straight trough, arc notch near lower through-hole is positioned at outside straight trough, the 1/4～1/3 of the length d that radius r is asphalt felt of described arc notch.
Described radiator is coil-type radiator.
The beneficial effects of the utility model are: jointly coordinated by radiator and water tank and send middle grease chamber after the lubricating oil that the temperature from left grease chamber and right grease chamber is higher is dispelled the heat back to, make the indoor lubricating oil relatively low for temperature taken away by oil ring of middle oil, improve the thermal diffusivity of bearing, reduce the temperature of bearing, improve the serviceability of bearing；Oil ring is coordinated by dovetail groove and straight trough can store substantial amounts of oil, and the asphalt felt that can shift with oil ring rotation in straight trough plays the effect of the oily circulation circuit of isolation on the basis of oil suction, oil ring oil in the rotary course from bottom to top will not be leaked in a large number, it is possible to effectively reduce fricative temperature rise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing at A place in Fig. 1；
Fig. 3 is the top view of radiator of the present utility model；
Fig. 4 is the structural representation of oil ring of the present utility model；
Fig. 5 is the oil groove of the present utility model structural representation when being positioned at oil ring bottom；
Fig. 6 be in Fig. 5 B-B to sectional view；
Fig. 7 is the enlarged drawing at C place in Fig. 5；
Fig. 8 is the oil groove of the present utility model structural representation when being positioned at oil ring intermediate altitude；
Fig. 9 is the oil groove of the present utility model structural representation when being positioned at oil ring top.
In figure: bearing housing 1, left grease chamber 11, middle grease chamber 12, right grease chamber 13, horn mouth passage 14, curved channel 15, bearing shell 2, rotating shaft 3, oil ring 4, radiator 5, dividing plate 51, flowline 52, interior fin 53, water tank 6, outer fin 61, water inlet pipe 62, outlet pipe 63, oil groove 7, dovetail groove 71, straight trough 72, overhead gage 73, lower baffle plate 74, asphalt felt 75, upper horn mouth groove 76, upper through hole 77, arc notch 78, lower horn mouth groove 79, lower through-hole 710.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in Fig. 1～Fig. 9, a kind of special sliding bearing of self-lubricating motor, including bearing housing 1, bearing shell 2, rotating shaft 3 and oil ring 4, it is internal that bearing shell 2 and oil ring 4 are respectively positioned on bearing housing 1, rotating shaft 3 traverse bearing housing 1, bearing shell 2 and the rotating shaft 3 stretched in bearing housing 1 are matched in clearance, are provided with oil ring 4 in the middle of bearing shell 2, and oil ring 4 hangs over follows rotating shaft 3 to rotate in rotating shaft 3.
Described bearing housing 1 is internally formed left grease chamber 11, middle grease chamber 12 and right grease chamber 13, and middle grease chamber 12 is positioned at inside bearing shell 2, and left grease chamber 11 and right grease chamber 13 are positioned at outside bearing shell 2, and the oil that oil ring 4 brings flows to left grease chamber 11 and right grease chamber 13 from middle grease chamber 12.
The bottom of described left grease chamber 11 and right grease chamber 13 passes sequentially through horn mouth passage 14 and curved channel 15 is connected to two end entrances of radiator 5, horn mouth passage 14 can increase the influx of oil, coordinate with curved channel 15 makes deep fat can enter radiator 5 easily simultaneously, described radiator 5 is coil-type radiator, the runner of coil-type radiator is having many bends or curves, extend course and the time of the fluid of inside, heat exchange performance is good, the outer wall of described radiator 5 is provided with the interior fin 53 being distributed along its length, radiator 5 bosom place is provided with dividing plate 51, radiator 5 is positioned at dividing plate 51 both sides and respectively sets a flowline 52 stretching into middle grease chamber 12, the deep fat come from left grease chamber 11 and right grease chamber 13 enters from the entrance at radiator 5 two ends respectively, finally enter middle grease chamber 12 from the flowline 52 of respective side, it does not interfere with each other, only use a radiator 5 that two place's fluids are dispelled the heat respectively, save cost, reduce the installing space of equipment, practicality is good.
Radiator 5 is positioned at the water tank 6 bottom bearing housing 1, bottom and curved channel 15 including horn mouth passage 14 are respectively positioned in water tank 6, water it is full of in water tank 6, the highest point of water level is at least up to the apical position that can flood interior fin 53, described water tank 6 bottom outer wall is provided with outer fin 61, also may select and outer fin 61 is optionally installed on other several outer walls of water tank 6, the upper and lower side of water tank 6 is respectively equipped with water inlet pipe 62 and outlet pipe 63, water inlet pipe 62 in this utility model is positioned at a side wall upper part of water tank 6, outlet pipe 63 is positioned at bottom water tank 6, can be undertaken changing water by water inlet pipe 62 and outlet pipe 63 every a period of time；When heat transfer effect strengthened by needs, it is possible to connect water inlet pipe 62 by outside water circulation system and water tank 6 is carried out water circulation by outlet pipe 63 moment.Jointly coordinated by radiator 5 and water tank 6 and after deep fat is carried out heat exchange, send middle grease chamber 12 back to, make the lubricating oil relatively low for temperature taken away by oil ring 4 in middle grease chamber 12, improve the thermal diffusivity of bearing, reduce the temperature of bearing, improve the serviceability of bearing.
The bottom of described oil ring 4 is stretched in the lubricating oil of middle grease chamber 12, inwall circumference all spreader grooves 7 of oil ring 4, the quantity of the oil groove 7 in this utility model is 12, be equivalent to 12 high ranges on clock used in everyday, described oil groove 7 includes dovetail groove 71 and the straight trough 72 of connection, described straight trough 72 connects the inwall of oil ring 4, the upper base of described dovetail groove 71 is provided with two square straight troughs 72 of symmetry, two straight troughs 72 are all obliquely installed and form V-shaped structure, straight trough 72 is provided with the identical square overhead gage 73 blocking straight trough 72 and lower baffle plate 74 that are distributed up and down, described overhead gage 73 and lower baffle plate 74 be arranged in parallel and overhead gage 73 and lower baffle plate 74 all with straight trough 72 vertical distribution, upper surface outside the close straight trough 72 of overhead gage 73 is provided with horn mouth groove 76, the bigger diameter end of described upper horn mouth groove 76 is positioned at the upper surface of overhead gage 73, the miner diameter end connection of upper horn mouth groove 76 is positioned at the multiple upper through hole 77 of the lower surface outside the close straight trough 72 of overhead gage 73, lower surface inside the close straight trough 72 of described lower baffle plate 74 is provided with lower horn mouth groove 79, the bigger diameter end of described lower horn mouth groove 79 is positioned at the lower surface of lower baffle plate 74, the miner diameter end connection of lower horn mouth groove 79 is positioned at multiple lower through-holes 710 of the upper surface inside the close straight trough 72 of lower baffle plate 74, the quantity of upper through hole 77 of the present utility model and lower through-hole 710 is 5, width along overhead gage 73 or lower baffle plate 74 is spacedly distributed, upper horn mouth groove 76, upper through hole 77, gap between square space and asphalt felt 75, lower through-hole 710, lower horn mouth groove 79 cooperatively forms the runner that oil-feed is fuel-displaced, first enter from the bigger diameter end of upper horn mouth groove 76 during oil-feed, first flow into from the bigger diameter end of lower horn mouth groove 79 time fuel-displaced, whole oil-feed and fuel-displaced process are smooth and easy, efficiency is high.
Long a is formed between described overhead gage 73 and lower baffle plate 74, wide b, the square space of high c, long d it is provided with in described square space, wide e, the square asphalt felt 75 of high f, the length d of described asphalt felt 75 is less than the minimum range g between the outboard end of lower through-hole 710 and lower baffle plate 74, the upper and lower end face making asphalt felt 75 is not enough to block through hole 77 and lower through-hole 710 when being in bottom and apical position at oil groove 7, making bottom position oil storage and apical position, fuel-displaced more smooth and easy (bottom position in this utility model is properly termed as 6 positions, i.e. 6 points on clock, apical position is properly termed as or 12 positions at 0, appear below this kind of call similar in this), simultaneously so that asphalt felt 75 can move but can not overturn, the length of asphalt felt 75 is only too little, the length d of asphalt felt 75 of the present utility model only need to be slightly less than the value of g.
The width e of the asphalt felt 75 upper through hole 77 more than edge and the width at square space with this on the distant side of through hole 77 ultimate range h and less than the width b of square space, asphalt felt 75 moment when its width moves is made to can guarantee that it can block through hole 77, because of overhead gage 73 identical with lower baffle plate 74 shape and structure (simply putting orientation different), therefore asphalt felt 75 also can guarantee that constantly that when its width moves it can block lower through-hole 710.
The height f of asphalt felt 75 is less than the height c of square space, but in order to strengthen the oil storage capacity of asphalt felt 75, make the oil mass that some position at meeting draining is revealed reduce as much as possible simultaneously, the height f of asphalt felt 75 of the present utility model only need to be slightly smaller than the height c of square space, and whole asphalt felt 75 can move easily in square space.
Relative two angle of asphalt felt 75 is provided with the arc notch 78 along its width, arc notch 78 near upper through hole 77 is positioned at inside straight trough 72, arc notch 78 near lower through-hole 710 is positioned at outside straight trough 72, the 1/4～1/3 of the length d that radius r is asphalt felt 75 of described arc notch 78, owing to asphalt felt 75 is for being obliquely installed, therefore it is oil-feed or fuel-displaced all can have one section of straight slope section being directed upwardly, cause oil-feed and oil yield efficiency low, the setting of arc notch 78 makes the length of its straight slope section reduce, the gradient of arc notch 78 self makes oil-feed and fuel-displaced more smoothly simultaneously, the radius r of arc notch 78 is reasonable in design, the phenomenon of toppling over not resulting in asphalt felt 75 occurs (when r design is excessive, the upper and lower end face of asphalt felt 75 is too small, it is not enough to support asphalt felt 75).
When oil ring 4 of the present utility model is as shown in Figure 4 and rotates counterclockwise, when the oil groove 7 of oil ring 4 is positioned at 6 positions (as shown in Figure 5), two asphalt felts 75 are all resisted against on lower baffle plate 74 and the sidewall of asphalt felt 75 is resisted against the outside inwall of straight trough 72, now going up horn mouth groove 76, upper through hole 77, lower through-hole 710 and lower horn mouth groove 79 to form oil inlet passage and be stored in by oil in oil groove 7, asphalt felt 75 self also stores substantial amounts of oil simultaneously.When oil groove 7 is positioned at 3 positions (as shown in Figure 8), it is now placed in the end face of asphalt felt 75 of lower section and is resisted against on overhead gage 73 and the sidewall of asphalt felt 75 is against the outside inwall of straight trough 72, namely through hole 77 blocked by asphalt felt 75, the end face of asphalt felt 75 above is against the sidewall of lower baffle plate 74 and asphalt felt 75 against the inner side inwall of straight trough 72, namely lower through-hole 710 blocked by asphalt felt 75, two straight troughs 72 all can not be fuel-displaced so that oil groove 7 will not draining when 3 positions.When oil groove 7 is positioned at 0 position (as shown in Figure 9), two asphalt felts 75 are all resisted against on overhead gage 73 and the sidewall of asphalt felt 75 is against the inner side inwall of straight trough 72, and horn mouth groove 79, lower through-hole 710, upper through hole 77 and upper horn mouth groove 76 turn on oil releases the gap sent between bearing shell 2 and rotating shaft 3 at present for these.Additionally, oil groove 7 of the present utility model has the leakage of oil when being near 1 position, but the cushioning effect due to asphalt felt 75, and oil groove 7 near 1 position time can quickly reach 0 position and carry out draining, therefore can also there is substantial amounts of oil for lubrication, the T-shaped oil groove of prior art has then just revealed, when 3 positions, the trapped fuel exceeding half, remains little especially from the oil behind position, 3 positions to 0.When oil ring of the present utility model 4 is for turning clockwise, principle is identical, does not introduce at this.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model.
Claims (2)
1. the special sliding bearing of self-lubricating motor, including bearing housing (1), bearing shell (2), rotating shaft (3) and oil ring (4), it is characterized in that: described bearing housing (1) is internally formed left grease chamber (11), middle grease chamber (12) and right grease chamber (13), the bottom of described left grease chamber (11) and right grease chamber (13) passes sequentially through horn mouth passage (14) and curved channel (15) is connected to two end entrances of radiator (5), the outer wall of described radiator (5) is provided with the interior fin (53) being distributed along its length, radiator (5) bosom place is provided with dividing plate (51), radiator (5) is positioned at dividing plate (51) both sides and respectively sets a flowline (52) stretching into middle grease chamber (12), radiator (5) is positioned at the water tank (6) of bearing housing (1) bottom, described water tank (6) bottom outer wall is provided with outer fin (61), the upper and lower side of water tank (6) is respectively equipped with water inlet pipe (62) and outlet pipe (63), the bottom of described oil ring (4) is stretched in the lubricating oil of middle grease chamber (12), inwall circumference all spreader grooves (7) of oil ring (4), described oil groove (7) includes dovetail groove (71) and the straight trough (72) of connection, the inwall of described straight trough (72) connection oil ring (4), the upper base of described dovetail groove (71) is provided with two square straight troughs (72) of symmetry, two straight troughs (72) are all obliquely installed and form V-shaped structure, straight trough (72) is provided with the identical square overhead gage (73) blocking straight trough (72) and lower baffle plate (74) that are distributed up and down, described overhead gage (73) and lower baffle plate (74) be arranged in parallel and overhead gage (73) and lower baffle plate (74) all with straight trough (72) vertical distribution, the upper surface in close straight trough (72) outside of overhead gage (73) is provided with horn mouth groove (76), the bigger diameter end of described upper horn mouth groove (76) is positioned at the upper surface of overhead gage (73), the miner diameter end connection of upper horn mouth groove (76) is positioned at the multiple upper through hole (77) of the lower surface in close straight trough (72) outside of overhead gage (73), the lower surface of close straight trough (72) inner side of described lower baffle plate (74) is provided with lower horn mouth groove (79), the bigger diameter end of described lower horn mouth groove (79) is positioned at the lower surface of lower baffle plate (74), the miner diameter end connection of lower horn mouth groove (79) is positioned at multiple lower through-holes (710) of the upper surface of close straight trough (72) inner side of lower baffle plate (74), long a is formed between described overhead gage (73) and lower baffle plate (74), wide b, the square space of high c, long d it is provided with in described square space, wide e, the square asphalt felt (75) of high f, the length d of described asphalt felt (75) is less than the minimum range g between the outboard end of lower through-hole (710) and lower baffle plate (74), the width e of asphalt felt (75) the upper through hole (77) more than edge and the width at square space with this on through hole (77) distant side ultimate range h and less than the width b of square space, the height f of asphalt felt (75) is less than the height c of square space, relative two angle of asphalt felt (75) is provided with the arc notch (78) along its width, arc notch (78) near upper through hole (77) is positioned at straight trough (72) inner side, arc notch (78) near lower through-hole (710) is positioned at straight trough (72) outside, the radius r of described arc notch (78) is the 1/4～1/3 of the length d of asphalt felt (75).
2. a kind of special sliding bearing of self-lubricating motor as claimed in claim 1, it is characterised in that: described radiator (5) is coil-type radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150441.4U CN205350079U (en) | 2016-02-26 | 2016-02-26 | Special slide bearing of self -lubricating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150441.4U CN205350079U (en) | 2016-02-26 | 2016-02-26 | Special slide bearing of self -lubricating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350079U true CN205350079U (en) | 2016-06-29 |
Family
ID=56179262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620150441.4U Withdrawn - After Issue CN205350079U (en) | 2016-02-26 | 2016-02-26 | Special slide bearing of self -lubricating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485169A (en) * | 2016-02-26 | 2016-04-13 | 绍兴文理学院 | Sliding bearing special for self-lubricating motor |
-
2016
- 2016-02-26 CN CN201620150441.4U patent/CN205350079U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485169A (en) * | 2016-02-26 | 2016-04-13 | 绍兴文理学院 | Sliding bearing special for self-lubricating motor |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20170901 |