CN212338870U - Vertical pump bearing lubricating and cooling device - Google Patents

Abstract

The utility model relates to a lubricated technical field of vertical pump bearing specifically is a vertical pump bearing lubricating cooling device. The oil-discharging device comprises a shaft, a bearing frame, an outer sleeve, a bearing gland, an upper bearing, a shaft sleeve, a lower bearing and a spiral sleeve, wherein the spiral sleeve is connected to the shaft, the upper bearing, the shaft sleeve and the lower bearing are connected to the spiral sleeve, the spiral sleeve is provided with an oil-discharging section, the oil-discharging section is provided with a trapezoidal thread I and a trapezoidal thread II, an oil collecting tank is arranged between the trapezoidal thread I and the trapezoidal thread II, the thread direction of the trapezoidal thread I is opposite to that of the trapezoidal thread II, an oil outlet hole is formed in an oil outlet tube, an oil inlet hole is formed in a gland connecting tube, and an oil outlet tube is connected between the oil; the utility model provides a vertical pump upper bearing is very difficult to obtain lubricated problem, can satisfy the lubrication of bearing under the low-speed of revolution simultaneously, has the forced air cooling heat dissipation function, effectively lowers the temperature of overcoat and bearing, provides a good environment for the bearing operation, guarantees the safe operation of vertical pump.

Description

Vertical pump bearing lubricating and cooling device

Technical Field

The utility model relates to a lubricated technical field of vertical pump bearing specifically is a vertical pump bearing lubricating cooling device.

Background

Vertical pumps such as submerged pumps and long-wheelbase are widely applied, but due to structural characteristics of the vertical pumps, cooling and lubrication of bearing bodies are always problems to be solved.

The utility model discloses a patent application of prior art patent number for "CN 201020165890.9", the patent name "novel forced air cooling structure high temperature molten salt pump" discloses a novel forced air cooling structure high temperature molten salt pump, mainly utilizes the forced air cooling heat dissipation principle to dispel the heat to the bearing, but this prior art mainly still cools off the shell of bearing body, and the lubrication of bearing still need rely on outside oil supply ware.

The invention patent application with the prior art patent number of 'CN 200810238757.9' and the patent name of 'vertical pump bearing automatic lubricating device' discloses a vertical pump bearing automatic lubricating device, and the prior art utilizes an oil extraction pumping ring to lubricate through an inner cavity of a shaft sleeve, but the lubricating mode is not suitable for the frequency conversion working condition, and the oil leakage phenomenon can occur when the high rotating speed is higher; at low rotation speed, the automatic lubricating device can not pump oil to the upper part, and the bearing can not be lubricated, which is the defect of the vertical pump self-lubricating structure in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical pump bearing lubrication cooling device, the problem and the vertical pump bearing department cooling problem of upper bearing difficult to lubrication among the solution vertical pump oil lubrication bearing make the bearing operation have a good environment, guarantee the safe operation of vertical pump.

In order to solve the technical problem, the utility model relates to a vertical pump bearing lubrication cooling device, which comprises a shaft, a bearing bracket, an outer sleeve, a bearing gland, an upper bearing, a shaft sleeve, a lower bearing and a spiral sleeve, the spiral sleeve is connected on the shaft, the upper bearing, the shaft sleeve and the lower bearing are connected on the spiral sleeve, the bearing bracket is connected at the lower end of the lower bearing, the bearing gland is connected at the upper end of the upper bearing, the outer sleeve is connected between the bearing bracket and the bearing gland, the upper bearing and the lower bearing are arranged in the outer sleeve, the spiral sleeve is provided with an upper bearing installation section, a thread section, a lower bearing installation section and a spiral oil section, the upper bearing installation section is arranged above the thread section, the thread section is arranged above the lower bearing installation section, the upper bearing is connected on the upper bearing installation section, the lower bearing is connected on the lower bearing installation section, the shaft sleeve is arranged between the upper bearing and the lower bearing, the oil spinning section is provided with a trapezoidal thread I and a trapezoidal thread II, an oil collecting tank is arranged between the trapezoidal thread I and the trapezoidal thread II, the oil collecting tank is provided with a circle, the thread direction of the trapezoidal thread I is opposite to that of the trapezoidal thread II, the bearing frame is connected with an oil outlet barrel, the oil outlet barrel is of a pipe connecting flange structure, the oil outlet barrel is inserted on the bearing frame, the oil outlet barrel is connected on a flange of the bearing frame, the oil spinning section is inserted in an oil outlet barrel connecting pipe, a gap is formed between the oil spinning section and the inner diameter of the oil outlet barrel connecting pipe, the oil outlet barrel connecting pipe is provided with an oil collecting cavity, the oil collecting cavity is provided with a circle, the oil collecting cavity is communicated with the oil collecting tank, the oil outlet barrel connecting pipe is provided with an oil outlet, the bearing gland comprises a gland flange and a gland connecting pipe, the gland connecting pipe is provided with an oil inlet, the oil inlet is arranged above the upper bearing, an oil outlet, the oil collecting groove, the oil collecting cavity and the oil outlet pipe are communicated with the oil inlet hole, the gland connecting pipe is provided with a plurality of overflow grooves, and the plurality of overflow grooves are uniformly distributed on the circumference. When the shaft rotates, the spiral sleeve rotates along with the shaft, and because the thread turning direction of the trapezoidal thread I is opposite to that of the trapezoidal thread II, the lubricating oil in the outer sleeve is conveyed into the oil collecting tank in the rotating process of the trapezoidal thread I and the trapezoidal thread II, the thread turning directions of the trapezoidal thread I and the trapezoidal thread II are related to the rotating direction of the shaft, if the shaft rotates anticlockwise, the trapezoidal thread I rotates leftwards, the trapezoidal thread II rotates rightwards, and if the arrangement is wrong, the lubricating oil is thrown to the outer sides of the trapezoidal thread I and the trapezoidal thread II and cannot enter the oil collecting tank; along with the continuous rotation of axle, the lubricating oil in the oil trap gets into out oil pipe through the oil collecting chamber, from going out oil pipe for carrying the inlet port of eminence, lubricating oil gets into the upper bearing top after flowing out from the inlet port, realizes the lubrication to the upper bearing, structural design is ingenious, utilize two sections screw threads to revolve the rotation of turning to opposite trapezoidal thread and axle, use lubricating oil to the transport of eminence from low, the setting up of overflow launder makes lubricating oil can not pile up above the upper bearing, unnecessary lubricating oil can flow out in the overflow launder.

Furthermore, an oil blocking sleeve is further connected to the oil outlet cylinder and is of a flange connecting pipe structure, the oil blocking sleeve is connected to the oil outlet cylinder in an inserting mode, a flange of the oil blocking sleeve is connected to a flange of the oil outlet pipe, the oil blocking sleeve is connected between the lower portion of the spiral sleeve and the shaft, a gap is formed between the oil blocking sleeve and the shaft, the inserting height of the oil blocking sleeve is larger than the liquid level of lubricating oil in the outer sleeve, and an oil discharging pipe is further arranged on the flange of the oil blocking sleeve. The oil blocking sleeve and the shaft form static seal to isolate the overflow of lubricating oil.

Furthermore, the spiral sleeve is connected with an oil collecting disc, the oil collecting disc is arranged above the upper bearing and comprises a bottom ring and a side baffle, the side baffle is arranged on the periphery of the outer side of the bottom ring, and the bottom ring is provided with an oil leakage hole. The oil collecting disc can collect the lubricating oil delivered by the oil outlet pipe when the shaft normally rotates at a high speed, when the working condition of the pump changes and the shaft is at a low rotating speed, the spiral sleeve is not enough to deliver the lubricating oil to the upper part of the upper bearing, the lubricating oil collected on the oil collecting disc is lubricated for a short time, and the oil leakage hole is arranged to enable the lubricating oil collected on the oil collecting disc to drip.

Furthermore, the oil leakage holes are formed in a plurality of numbers, and the oil leakage holes are uniformly distributed on the circumference of the base ring by taking the center of the base ring as a shaft. The arrangement of the oil leakage holes enables lubricating oil collected on the oil collecting tray to more smoothly drip, and the normal operation of the upper bearing is prevented from being influenced due to the fact that the lubricating oil surface tension enables a certain oil leakage hole to be incapable of leaking oil.

Furthermore, the spiral sleeve is connected with an oil baffle plate, the oil baffle plate is arranged above the oil collecting tray, and the diameter of the oil baffle plate is larger than or equal to that of the oil collecting tray. The oil baffle plate is arranged to effectively prevent the lubricating oil conveyed out by the oil outlet pipe at a high rotating speed from overflowing out of the bearing gland.

Furthermore, the fan cover and the fan are further included, the fan is arranged above the outer sleeve, the fan base is connected to the top end of the spiral sleeve, the fan cover is in the shape of a cylinder with a downward opening, and the fan and the outer sleeve are connected inside the fan cover. The fan rotates and realizes air cooling heat dissipation of the outer sleeve, the inner parts of the outer sleeve and lubricating oil in the outer sleeve, and the fan cover ensures that air generated by the fan flows through the outer sleeve, so that the cooling efficiency is improved.

Further, fan casing and overcoat between be equipped with the supporting seat, supporting seat one end is connected on the overcoat outer wall, the supporting seat other end is equipped with the screw, is equipped with the through-hole on the fan casing, the fan casing passes through the screw connection on the supporting seat, the screw passes through-hole threaded connection in the screw, the supporting seat be equipped with a plurality ofly, the cover center is the circumference equipartition of axle outside a plurality of supporting seats, the through-hole be equipped with a plurality ofly, a plurality of through-holes use the fan casing center as the circumference equipartition of axle. The supporting seat is mainly used for installing the fan cover, so that the fan cover is convenient to assemble and disassemble.

Furthermore, the outer wall of the outer sleeve is provided with a plurality of radiating fins which are arranged in the radial direction, the plurality of radiating fins are uniformly distributed around the periphery of the outer sleeve with the center of the outer sleeve as an axis, and an air cooling flow channel is formed between every two radiating fins. The arrangement of the radiating fins and the air cooling flow channel enable the heat inside the outer sleeve to exchange heat with the outside better, and the radiating effect is further improved.

Furthermore, the oil outlet pipe is formed into a U shape by two side pipes and a bottom pipe, the two side pipes of the oil outlet pipe penetrate through the outer sleeve respectively, and the bottom pipe of the oil outlet pipe is arranged in the air cooling flow passage. The oil outlet pipe bottom pipe is arranged in the air-cooled flow channel, and the lubricating oil in the oil outlet pipe is effectively subjected to air-cooled heat dissipation in the process of conveying the lubricating oil.

Furthermore, the outer sleeve is connected with an oil cup, a vent cap and an oil pointer. The setting of oil cup 9 is convenient for adding lubricating oil, and setting up of oil pointer 19 is in order to look over the lubricating oil level, and the cap 16 that ventilates prevents holding back the breath that oil supplementation and difference in temperature produced.

The utility model has the advantages that: including the axle, the bearing bracket, the overcoat, the bearing gland, the upper bearing, the axle sleeve, lower bearing and scroll cover, the scroll cover is connected epaxial, the upper bearing, axle sleeve and lower bearing are connected on the scroll cover, be equipped with the oil rotation section on the scroll cover, be equipped with trapezoidal thread I and trapezoidal thread II in the oil rotation section, be equipped with the oil trap in the middle of trapezoidal thread I and trapezoidal thread II, the oil trap is equipped with a week, the screw thread of trapezoidal thread I is revolved to opposite with the screw thread of trapezoidal thread II, be connected with out oil cylinder on the bearing bracket, be equipped with the oil collecting chamber on going out oil cylinder connecting pipe, oil collecting chamber and oil trap intercommunication, it is equipped with the oil outlet on going out oil cylinder connecting pipe, be equipped with the inlet port on the gland takeover, be connected with. The utility model discloses utilize both ends screw thread to realize lubricating oil by low to high transport soon to opposite trapezoidal thread, solve the problem that the bearing is very difficult to obtain lubrication on the vertical pump, can satisfy the lubrication of bearing under the low-speed simultaneously, still have the forced air cooling heat dissipation function in addition, effectively reduce the temperature of overcoat and bearing, provide a good environment for the bearing operation, guarantee the safe operation of vertical pump.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a sectional view of the screw sleeve of the present invention;

fig. 3 is a sectional view of the bearing cover of the present invention;

fig. 4 is an enlarged view of a portion of fig. 1 according to the present invention;

fig. 5 is an enlarged partial view ii of fig. 1 in accordance with the present invention;

FIG. 6 is a schematic view of the ventilation and heat dissipation structure of the present invention;

fig. 7 is a cross-sectional view taken along line a-a of fig. 6 in accordance with the present invention;

fig. 8 is an enlarged partial view iii of fig. 6 according to the present invention;

fig. 9 is a schematic diagram of the circulation of the lubricating oil circuit of the present invention.

In the figure: 1. a spiral sleeve; 101. an upper bearing mounting section; 102. a threaded segment; 103. a lower bearing mounting section; 104. an oil rotation section; 1041. a trapezoidal thread I; 1042. a trapezoidal thread II; 1043. an oil sump; 2. an oil discharge pipe; 3. an oil retaining sleeve; 4. an oil outlet cylinder; 401. an oil outlet hole; 5. a bearing bracket; 6. an oil outlet pipe; 7. a jacket; 8. a heat sink; 9. an oil cup; 10. a fan housing; 1001. a through hole; 11. a fan; 12. a bearing gland; 1201. a gland flange; 1202. pressing and connecting the cover and the pipe; 1203. an oil inlet hole; 1204. an overflow trough; 13. an oil collecting tray; 1301. a bottom ring; 1302. side blocking; 1303. an oil leak hole; 14. an oil baffle plate; 15. an upper bearing; 16. a ventilation cap; 17. a shaft sleeve; 18. a lower bearing; 19. oil marks; 20. a shaft; 21. an oil collecting cavity; 22. a supporting seat; 2201. and a screw hole.

Detailed Description

As shown in fig. 1-5, the utility model relates to a vertical pump bearing lubrication cooling device, which comprises a shaft 20, a bearing bracket 5, an outer sleeve 7, a bearing gland 12, an upper bearing 15, a shaft sleeve 17, a lower bearing 18 and a screw sleeve 1, wherein the screw sleeve 1 is connected on the shaft 20, the upper bearing 15, the shaft sleeve 17 and the lower bearing 18 are connected on the screw sleeve 1, the bearing bracket 5 is connected at the lower end of the lower bearing 18, the bearing gland 12 is connected at the upper end of the upper bearing 15, the outer sleeve 7 is connected between the bearing bracket 5 and the bearing gland 12, the upper bearing 15 and the lower bearing 18 are arranged in the outer sleeve 7, the screw sleeve 1 is provided with an upper bearing installation section 101, a thread section 102, a lower bearing installation section 103 and an oil rotation section 104, the upper bearing installation section 101 is arranged above the thread section 102, the thread section 102 is arranged above the lower bearing installation section 103, the lower bearing installation section 103 is arranged above the oil rotation section 104, the lower bearing 18 is connected on the lower bearing mounting section 103, the shaft sleeve 17 is arranged between the upper bearing 15 and the lower bearing 18, the shaft sleeve 17 is in threaded connection with the threaded section 102, the oil rotation section 104 is provided with a trapezoidal thread I1041 and a trapezoidal thread II 1042, an oil collecting tank 1043 is arranged between the trapezoidal thread I1041 and the trapezoidal thread II 1042, the oil collecting tank 1043 is provided with a circle, the thread turning direction of the trapezoidal thread I1041 is opposite to that of the trapezoidal thread II 1042, the bearing frame 5 is connected with an oil outlet barrel 4, the oil outlet barrel 4 is in a pipe connecting flange structure, the oil outlet barrel 4 is inserted on the bearing frame 5, the oil outlet barrel 4 is in a flange connection on the bearing frame 5, the oil rotation section 104 is inserted in a pipe connecting pipe of the oil outlet barrel 4, a gap exists between the oil rotation section 104 and the inner diameter of the connecting pipe of the oil outlet barrel 4, the oil outlet barrel 4 connecting pipe is provided with an oil collecting cavity 21, the oil collecting cavity 21 is provided with a circle, the oil collecting, the bearing gland 12 comprises a gland flange 1201 and a gland connecting pipe 1202, an oil inlet 1203 is arranged on the gland connecting pipe 1202, the oil inlet 1203 is arranged above the upper bearing 15, an oil outlet pipe 6 is connected between the oil outlet 401 and the oil inlet 1203, two ends of the oil outlet pipe 6 are respectively connected in the oil outlet 401 and the oil inlet 1203, an oil collecting tank 1043, an oil collecting cavity 21, two ends of the oil outlet pipe 6 are communicated with the oil inlet 1203, an overflow groove 1204 is arranged on the gland connecting pipe 1202, the overflow groove 1204 is provided with a plurality of overflow grooves 1204, and the plurality of overflow grooves 1204 are circumferentially and.

Further, go out an oil section of thick bamboo 4 on still be connected with oil baffle cover 3, oil baffle cover 3 is flange connection pipe structure, oil baffle cover 3 pegs graft on an oil section of thick bamboo 4, 3 flange connections of oil baffle cover are on a 4 flange of an oil section of thick bamboo, 3 takeover connections of oil baffle cover are between 1 lower part of scroll cover and axle 20, form the clearance between 3 takeover of oil baffle cover and the axle 20, 3 takeover of oil baffle cover insert the height > the liquid level of lubricating oil in overcoat 7, still be equipped with oil extraction pipe 2 on the 3 flange of oil baffle cover.

Further, the oil collecting disc 13 is connected to the spiral sleeve 1, the oil collecting disc 13 is arranged above the upper bearing 15, the oil collecting disc 13 comprises a bottom ring 1301 and a side baffle 1302, the side baffle 1302 is arranged on the outer side of the bottom ring 1301 in a circle, and an oil leakage hole 1303 is formed in the bottom ring 1301.

Further, a plurality of oil leakage holes 1303 are arranged, and the oil leakage holes 1303 are circumferentially and uniformly distributed by taking the center of the bottom ring 1301 as an axis.

Further, the spiral sleeve 1 is connected with an oil baffle plate 14, the oil baffle plate 14 is arranged above the oil collecting tray 13, and the diameter of the oil baffle plate 14 is larger than or equal to that of the oil collecting tray 13.

As shown in fig. 6-8, the present invention further comprises a fan cover 10 and a fan 11, wherein the fan 11 is disposed above the outer casing 7, the base of the fan 11 is connected to the top end of the spiral casing 1, the fan cover 10 is a cylinder with a downward opening, and the fan 11 and the outer casing 7 are connected inside the fan cover 10.

Further, be equipped with supporting seat 22 between fan casing 10 and the overcoat 7, supporting seat 22 one end is connected on the outer wall of overcoat 7, the supporting seat 22 other end is equipped with screw 2201, is equipped with through-hole 1001 on the fan casing 10, and fan casing 10 passes through screwed connection on supporting seat 22, and the screw passes through-hole 1001 threaded connection in screw 2201, supporting seat 22 be equipped with a plurality ofly, a plurality of supporting seats 22 use the overcoat 7 center as axle circumference equipartition, through-hole 1001 be equipped with a plurality ofly, a plurality of through-holes 1001 use fan casing 10 center as axle circumference equipartition.

Further, the outer wall of the outer sleeve 7 is provided with a plurality of radiating fins 8, the radiating fins 8 are arranged in the radial direction, the plurality of radiating fins 8 are uniformly distributed on the circumference of the outer sleeve 7 by taking the center of the outer sleeve as an axis, and an air cooling flow channel is formed between every two radiating fins 8.

Furthermore, the oil outlet pipe 6 is formed into a U shape by two side pipes and a bottom pipe, the two side pipes of the oil outlet pipe 6 respectively penetrate through the outer sleeve 7, and the bottom pipe of the oil outlet pipe 6 is arranged in the air cooling flow passage.

Furthermore, the outer sleeve 7 is connected with an oil cup 9, a vent cap 16 and an oil pointer 19.

When the shaft 20 rotates, the screw sleeve 1 rotates along with the shaft 20, and because the thread turning direction of the trapezoidal thread I1041 is opposite to that of the trapezoidal thread II 1042, and the trapezoidal thread I1041 and the trapezoidal thread II 1042 convey the lubricating oil in the jacket 7 into the oil collecting tank 1043 in the rotating process, it is noted that the thread turning directions of the trapezoidal thread I1041 and the trapezoidal thread II 1042 are related to the rotating direction of the shaft 20, for example, when the shaft 20 rotates anticlockwise, the trapezoidal thread I1041 is left-handed, the trapezoidal thread II 1042 is right-handed, if the arrangement is wrong, the lubricating oil is thrown to the outer sides of the trapezoidal thread I1041 and the trapezoidal thread II 1042 and cannot enter the oil collecting tank 1043; along with the continuous rotation of the shaft 20, the lubricating oil in the oil collecting tank 1043 enters the oil outlet pipe 6 through the oil collecting cavity 21, the lubricating oil is conveyed to the oil inlet hole 1203 at the high position from the oil outlet pipe 6, the lubricating oil flows out of the oil inlet hole 1203 and then enters the upper part of the upper bearing 15, the upper bearing 15 is lubricated, the structural design is ingenious, the lubricating oil is conveyed from the low position to the high position by utilizing the trapezoidal threads with opposite screwing directions of the two sections of threads and the rotation of the shaft 20, the lubricating oil is conveyed from the low position to the high position, the overflow groove 1204 is arranged, the lubricating oil cannot be accumulated above the upper bearing 15. As shown in fig. 9, the arrows indicate the flow direction of the lubricating oil.

The oil retaining sleeve 3 forms a static seal with the shaft 20 to prevent the lubricating oil from overflowing.

The oil collecting tray 13 can collect the lubricating oil delivered by the oil outlet pipe 6 when the shaft 20 rotates at a normal high speed, when the working condition of the pump changes and the shaft 20 is at a low rotating speed, the spiral sleeve 1 is not enough to deliver the lubricating oil above the upper bearing 15, the lubricating oil collected on the oil collecting tray 13 is lubricated for a short time, and the oil leakage hole 1303 is arranged to enable the lubricating oil collected on the oil collecting tray 13 to drip.

The arrangement of the oil leakage holes 1303 makes the lubricating oil collected on the oil collecting tray 13 more smoothly drip, and prevents the normal operation of the upper bearing 15 from being affected because the oil leakage holes 1303 cannot leak oil due to the surface tension of the lubricating oil.

The oil baffle plate 14 is arranged to effectively prevent the lubricating oil delivered by the oil outlet pipe 6 at high rotating speed from overflowing the bearing gland 12.

The fan 11 rotates to realize air cooling and heat dissipation of the outer sleeve 7, parts inside the outer sleeve 7 and lubricating oil inside the outer sleeve 7, and the fan cover 10 ensures that air generated by the fan 11 flows through the outer sleeve 7, so that the cooling efficiency is improved. The arrows in fig. 6 show the direction of wind flow.

The support base 22 is mainly used for mounting the fan cover 10, so that the fan cover 10 is convenient to assemble and disassemble.

The arrangement of the radiating fins 8 and the air cooling flow channel enable the heat inside the outer sleeve 7 to exchange heat with the outside better, and the radiating effect is further improved.

The bottom pipe of the oil outlet pipe 6 is arranged in the air-cooled flow passage, and the lubricating oil in the oil outlet pipe 6 is effectively subjected to air-cooled heat dissipation in the process of conveying the lubricating oil.

The setting of oil cup 9 is convenient for adding lubricating oil, and setting up of oil pointer 19 is in order to look over the lubricating oil level, and the cap 16 that ventilates prevents holding back the breath that oil supplementation and difference in temperature produced.

Claims (10)

1. The utility model provides a vertical pump bearing lubrication cooling device which characterized in that: comprises a shaft (20), a bearing frame (5), an outer sleeve (7), a bearing gland (12), an upper bearing (15), a shaft sleeve (17), a lower bearing (18) and a spiral sleeve (1), wherein the spiral sleeve (1) is connected on the shaft (20), the upper bearing (15), the shaft sleeve (17) and the lower bearing (18) are connected on the spiral sleeve (1), the bearing frame (5) is connected at the lower end of the lower bearing (18), the bearing gland (12) is connected at the upper end of the upper bearing (15), the outer sleeve (7) is connected between the bearing frame (5) and the bearing gland (12), the upper bearing (15) and the lower bearing (18) are arranged in the outer sleeve (7), the spiral sleeve (1) is provided with an upper bearing installation section (101), a thread section (102), a lower bearing installation section (103) and a spiral oil section (104), the upper bearing installation section (101) is arranged above the thread section (102), the thread section (102) is arranged above the lower bearing installation section (103), the lower bearing installation section (103) is arranged above the oil rotation section (104), the upper bearing (15) is connected on the upper bearing installation section (101), the lower bearing (18) is connected on the lower bearing installation section (103), the shaft sleeve (17) is arranged between the upper bearing (15) and the lower bearing (18), the shaft sleeve (17) is in threaded connection with the thread section (102), the oil rotation section (104) is provided with a trapezoidal thread I (1041) and a trapezoidal thread II (1042), an oil collecting tank (1043) is arranged between the trapezoidal thread I (1041) and the trapezoidal thread II (1042), the oil collecting tank (1043) is provided with a circle, the thread rotation direction of the trapezoidal thread I (1041) is opposite to that of the trapezoidal thread II (1042), the bearing frame (5) is connected with the oil outlet cylinder (4), the oil outlet cylinder (4) is in a pipe connecting flange structure, the oil outlet cylinder (4) is inserted in the bearing frame (5), and the oil outlet cylinder (4) is connected on the flange of the bearing frame (5), the oil rotating section (104) is inserted in a connecting pipe of the oil outlet cylinder (4), a gap exists between the oil rotating section (104) and the inner diameter of the connecting pipe of the oil outlet cylinder (4), an oil collecting cavity (21) is arranged on the connecting pipe of the oil outlet cylinder (4), a circle of the oil collecting cavity (21) is arranged, the oil collecting cavity (21) is communicated with an oil collecting tank (1043), an oil outlet hole (401) is arranged on the connecting pipe of the oil outlet cylinder (4), a bearing gland (12) comprises a gland flange (1201) and a gland connecting pipe (1202), an oil inlet hole (1203) is arranged on the gland connecting pipe (1202), the oil inlet hole (1203) is arranged above an upper bearing (15), an oil outlet pipe (6) is connected between the oil outlet hole (401) and the oil inlet hole (1203), two ends of the oil outlet pipe (6) are respectively connected in the oil outlet hole (401) and the oil inlet hole (1203), the oil collecting tank (1043), the oil collecting cavity (21), the oil outlet pipe (, the overflow launder (1204) is provided with a plurality of, and a plurality of overflow launders (1204) circumference equipartition.

2. A vertical pump bearing lubrication cooling device as claimed in claim 1, wherein: go out an oil section of thick bamboo (4) on still be connected with oil blocking sleeve (3), oil blocking sleeve (3) are flange connection pipe structure, oil blocking sleeve (3) are pegged graft on a section of thick bamboo (4) that goes out, oil blocking sleeve (3) flange joint is on a section of thick bamboo (4) that goes out, oil blocking sleeve (3) take over is connected between spiral shell (1) lower part and axle (20), form the clearance between oil blocking sleeve (3) take over and axle (20), oil blocking sleeve (3) take over inserts the liquid level that highly > interior lubricating oil of overcoat (7), still be equipped with oil drain pipe (2) on oil blocking sleeve (3) flange.

3. A vertical pump bearing lubrication cooling device as claimed in claim 2, wherein: the oil collecting disc (13) is connected to the spiral sleeve (1), the oil collecting disc (13) is arranged above the upper bearing (15), the oil collecting disc (13) comprises a bottom ring (1301) and a side baffle (1302), the side baffle (1302) is arranged on the outer side of the bottom ring (1301) in a circle, and an oil leakage hole (1303) is formed in the bottom ring (1301).

4. A vertical pump bearing lubrication cooling device as claimed in claim 3, wherein: the oil leakage holes (1303) are arranged in a plurality, and the oil leakage holes (1303) are circumferentially and uniformly distributed by taking the center of the bottom ring (1301) as an axis.

5. A vertical pump bearing lubrication cooling device as claimed in claim 3, wherein: the spiral sleeve (1) is connected with an oil baffle plate (14), the oil baffle plate (14) is arranged above the oil collecting tray (13), and the diameter of the oil baffle plate (14) is larger than or equal to that of the oil collecting tray (13).

6. A vertical pump bearing lubrication cooling device according to any one of claims 1 to 5, wherein: the fan is characterized by further comprising a fan cover (10) and a fan (11), wherein the fan (11) is arranged above the outer sleeve (7), the base of the fan (11) is connected to the top end of the spiral sleeve (1), the fan cover (10) is in a cylinder with a downward opening, and the fan (11) and the outer sleeve (7) are connected inside the fan cover (10).

7. A vertical pump bearing lubrication cooling device according to claim 6, wherein: fan casing (10) and overcoat (7) between be equipped with supporting seat (22), supporting seat (22) one end is connected on overcoat (7) outer wall, supporting seat (22) other end is equipped with screw (2201), is equipped with through-hole (1001) on fan casing (10), fan casing (10) pass through screw connection on supporting seat (22), the screw passes through-hole (1001) threaded connection in screw (2201), supporting seat (22) be equipped with a plurality ofly, a plurality of supporting seats (22) use overcoat (7) center as axle circumference equipartition, through-hole (1001) be equipped with a plurality ofly, a plurality of through-holes (1001) use fan casing (10) center as axle circumference equipartition.

8. A vertical pump bearing lubrication cooling device according to claim 7, wherein: the cooling fin (8) are arranged on the outer wall of the outer sleeve (7), the cooling fins (8) are radially arranged, the cooling fins (8) are arranged in a plurality of numbers, the plurality of cooling fins (8) are circumferentially and uniformly distributed by taking the center of the outer sleeve (7) as an axis, and an air cooling flow channel is formed between every two cooling fins (8).

9. A vertical pump bearing lubrication cooling device as claimed in claim 8, wherein: the oil outlet pipe (6) is formed into a U shape by two side pipes and a bottom pipe, the two side pipes of the oil outlet pipe (6) respectively penetrate through the outer sleeve (7), and the bottom pipe of the oil outlet pipe (6) is arranged in the air cooling flow passage.

10. A vertical pump bearing lubrication cooling device according to any one of claims 1-5, 7, 8, 9, wherein: the outer sleeve (7) is connected with an oil cup (9), a vent cap (16) and an oil pointer (19).

Images