CN113565763A

CN113565763A - Marine crushing pump not easy to block

Info

Publication number: CN113565763A
Application number: CN202110865189.0A
Authority: CN
Inventors: 孙邦军; 孙立军
Original assignee: Wuhan Fuyuan Tianen Shipping Materials Co ltd
Current assignee: Hubei Gerun Ship Technology Service Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-29
Anticipated expiration: 2041-07-29
Also published as: CN113565763B

Abstract

The invention discloses a marine grinding pump difficult to block, which belongs to the technical field of marine grinding pumps and comprises a pump body, a pump inlet arranged at the top of the pump body and a movable blade arranged in the pump body, the movable knife is fixedly connected with a hollow steel pipe, the hollow steel pipe is provided with a driving shaft, the driving shaft is respectively provided with an auxiliary pushing-down mechanism and an auxiliary pushing-in mechanism from bottom to top for pushing soft dirt into the pump body, the top of the pump inlet is provided with an annular disc, the top of the annular disc is fixedly connected with a feed hopper matched with the pump inlet, the inner wall of the feed hopper is provided with a material pushing mechanism for pushing the soft sewage into the pump body, the inner wall of the hollow steel pipe is provided with a chute, the bottom end fixedly connected with of the driving shaft is provided with the inserting column, so that the situation that soft dirt cannot be crushed due to the fact that the soft dirt blocks the inlet of the pump can be effectively reduced.

Description

Marine crushing pump not easy to block

Technical Field

The invention relates to the technical field of marine crushing pumps, in particular to a marine crushing pump which is not easy to block.

Background

The marine crushing pump is an open impeller centrifugal discharge pump and is used for crushing and conveying soft sewage in domestic sewage at the temperature lower than 85 ℃. The lower diameter of the large solid particles after the circular crushing is not more than 5mm, and the method is also suitable for low-temperature solidification crushing of the marine heavy oil and is convenient for spraying. Its major structure includes the motor, the pump body, the inside quiet sword that sets up of the pump body, move sword and impeller to and the pump import and the pump export that set up on the pump body, wherein motor output shaft through the pump body with move the sword and the impeller is connected and drive and move sword and impeller and rotate and smash, current marine crushing pump when using, can take place soft filth sometimes and block up the unable circumstances of downflow of pump import, lead to moving the unable and pump import soft filth contact of sword, and then unable will soft filth smash.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a crushing pump for a ship, which is not easy to block and can effectively reduce the situation that soft dirt cannot be crushed due to the blockage of the inlet of the pump by the soft dirt.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a marine crushing pump of difficult jam, includes the pump body and sets up the pump import at pump body top and sets up the sword that moves inside the pump body, move the hollow steel pipe of fixedly connected with on the sword, be provided with the drive shaft on the hollow steel pipe, supreme the supplementary push down mechanism and supplementary push down mechanism that are used for pushing away the inside soft filth of the pump body that is provided with respectively from down in the drive shaft, pump import top is provided with the ring plate, the feeder hopper of ring plate top fixedly connected with and pump import looks adaptation, the feeder hopper inner wall is provided with and is used for pushing away the inside pushing equipment of the pump body with soft filth.

Further, the inner wall of the hollow steel pipe is provided with a sliding groove, the bottom end of the driving shaft is fixedly connected with an inserting column, the inserting column is matched with the hollow steel pipe, the outer wall of the inserting column is fixedly connected with a sliding block, and the sliding block is matched with the sliding groove.

Furthermore, a fixing screw hole is formed in one side of the inserting column, and the hollow steel pipe is in threaded connection with the fixing screw hole through a bolt.

Furthermore, supplementary push-down mechanism is including fixing the bearing tray that is close to the bottom at the drive shaft outer wall, the drive shaft outer wall has cup jointed the lower sleeve pipe, the lower sleeve pipe is placed on the bearing tray, lower sleeve pipe outer wall fixedly connected with spiral propulsion sword, the position that the drive shaft outer wall is located near the lower sleeve pipe top is provided with the screw thread, the drive shaft has fastening nut through threaded connection.

Further, the top of the bearing tray is fixedly connected with lower hemispheres which are uniformly distributed, the bottom side of the lower sleeve is fixedly connected with upper hemispheres which are uniformly distributed, the lower hemispheres are in contact with the bottom side of the lower sleeve, the upper hemispheres are in contact with the top of the bearing tray, and the lower hemispheres and the upper hemispheres are in contact with each other and are alternately distributed.

Further, supplementary push mechanism includes the drive shaft outer wall and is located the draw-in groove that the even distribution of position of screw thread top was seted up, the drive shaft outer wall cup joints the last sleeve pipe with draw-in groove looks joint, two symmetrical support columns of last sleeve pipe outer wall fixedly connected with, the support column is kept away from the sheathed tube one end and is connected with the slope scraper blade, drive shaft top threaded connection has fastening bolt, fastening bolt bottom side fixedly connected with extrusion ring, the extrusion ring contacts with last sleeve pipe top.

Further, support column top fixedly connected with long needle, the feeder hopper all extends out with the top of slope scraper blade in the top of long needle, and the slope scraper blade contacts with the feeder hopper inner wall.

Furthermore, the section of the inclined scraper is triangular, and the top end of the inclined scraper is a side shared by two faces.

Furthermore, the pushing mechanism comprises a movable groove formed in the inner wall of the feeding hopper, a separation plate is connected between the inner walls of two opposite sides of the movable groove, a U-shaped movable plate is movably inserted into the separation plate, a position, close to the bottom side, of the inner wall of the U-shaped movable plate is fixedly connected with a pushing strip which is inclined upwards, the supporting column is lower than the top of the pushing strip and higher than the bottom side of the pushing strip, a pushing tooth which is inclined inwards the feeding hopper is fixedly connected to the top of the inner wall of the U-shaped movable plate, and a spring is fixedly connected between the bottom side of the U-shaped movable plate and the inner wall of the bottom side of the movable groove.

Further, the height of the pushing strip in the vertical direction is equal to the distance between the bottom side of the U-shaped movable plate and the inner wall of the bottom side of the movable groove, the height of the partition plate is larger than the distance between the bottom side of the U-shaped movable plate and the inner wall of the bottom side of the movable groove, the distance between the bottom side of the pushing tooth and the top of the feeding hopper is smaller than the distance between the bottom side of the U-shaped movable plate and the inner wall of the bottom side of the movable groove, and the length of the inclined scraper plate extending out of the feeding hopper is smaller than the distance between the bottom side of the pushing tooth and the top of the feeding hopper.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) when this scheme is used, it rotates to drive the sword through the motor, it rotates to drive the drive shaft to move the sword, the drive shaft drives slope scraper blade and long needle through last sleeve pipe and support column and rotates, the slope scraper blade of tilt up is at the pivoted in-process, can be continuous cut soft filth and promote towards pump body inside, pivoted long needle simultaneously, the soft filth that can be continuous stirs the rot, make inside the soft filth falls the pump body through the feeder hopper, in the supplementary soft filth of scraper blade and long needle enters into the pump body through the feeder hopper like this, smash by the sword, effectively reduce like this because soft filth blocks up the pump import and leads to unable the kibbling condition emergence of soft filth.

(2) When this scheme drive shaft rotated, can drive the spiral propulsion sword through the lower casing pipe and rotate, the spiral propulsion sword of pivoted can be continuous with soft filth towards the inside promotion of pump body, further reduces soft filth and blocks up the import of pump and lead to can't taking place soft filth kibbling condition.

(3) When this scheme drive shaft drives the support column and rotates, takes the support column and when pushing away the contact of strip, can push away the strip and push down for push away strip and move U-shaped fly leaf downstream, and then drive and push away tooth downstream, when pushing away tooth downstream, can bulldoze soft filth towards the feeder hopper is inside, improve the efficiency that soft filth entered into the feeder hopper.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of the exploded view of FIG. 1 in section according to the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at B according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

FIG. 7 is an enlarged view of FIG. 3 at D according to the present invention;

fig. 8 is an enlarged view of the structure at E in fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

1. a pump body; 2. a pump inlet; 3. moving a knife; 4. a hollow steel pipe; 5. inserting a column; 6. a chute; 7. a slider; 8. fixing screw holes; 9. a drive shaft; 10. a support tray; 11. setting a sleeve; 12. spirally advancing the cutter; 13. a thread; 14. fastening a nut; 15. a lower hemisphere; 16. an upper hemisphere; 17. a support pillar; 18. an inclined scraper; 19. a long needle; 20. fastening a bolt; 21. an extrusion ring; 22. an annular disc; 23. a feed hopper; 24. a movable groove; 25. a partition plate; 26. a U-shaped movable plate; 27. pushing the strips; 28. pushing teeth; 29. a spring; 30. a card slot; 31. and (4) sleeving a sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-8, a marine pulverizing pump not prone to blockage comprises a pump body 1, a pump inlet 2 arranged at the top of the pump body 1, and a movable knife 3 arranged inside the pump body 1, wherein a hollow steel tube 4 is fixedly connected to the movable knife 3, a drive shaft 9 is arranged on the hollow steel tube 4, an auxiliary pushing mechanism and an auxiliary pushing mechanism for pushing soft dirt into the pump body 1 are respectively arranged on the drive shaft 9 from bottom to top, an annular disc 22 is arranged at the top of the pump inlet 2, a feed hopper 23 matched with the pump inlet 2 is fixedly connected to the top of the annular disc 22, and a pushing mechanism for pushing the soft dirt into the pump body 1 is arranged on the inner wall of the feed hopper 23.

Refer to fig. 2, fig. 4, fig. 5, spout 6 has been seted up to 4 inner walls of hollow steel pipe, drive shaft 9 bottom fixedly connected with inserts post 5, insert

post

5 and 4 looks adaptations of hollow steel pipe, insert 5 outer wall fixedly connected with sliders 7 of post,

slider

7 and 6 looks adaptations of spout, drive when moving sword 3 and rotate at the motor like this, move sword 3 and drive hollow steel pipe 4 and rotate, hollow steel pipe 4 drives drive shaft 9 through slider 7 and spout 6 and rotates, and then drive shaft 9 drives supplementary push-down mechanism and supplementary push-in mechanism and rotates, it leads to unable the kibbling condition of soft filth to take place to reduce soft filth stopper pump import 2.

Referring to fig. 2, 4 and 5, a fixing screw hole 8 is formed in one side of the insert column 5, the hollow steel pipe 4 is in threaded connection with the fixing screw hole 8 through a bolt, and the hollow steel pipe 4 is connected with the insert column 5 through the bolt and the fixing screw hole 8 to fix the driving shaft 9.

Referring to fig. 3 and 6, the auxiliary pushing-down mechanism comprises a bearing tray 10 fixed on the outer wall of the driving shaft 9 and close to the bottom end, a lower sleeve 11 is sleeved on the outer wall of the driving shaft 9, the lower sleeve 11 is placed on the bearing tray 10, a spiral propelling knife 12 is fixedly connected to the outer wall of the lower sleeve 11, a thread 13 is arranged at a position close to the top of the lower sleeve 11 on the outer wall of the driving shaft 9, the driving shaft 9 is connected with a fastening nut 14 through the thread 13, when the driving shaft 9 rotates, the spiral propelling knife 12 can be driven to rotate through the lower sleeve 11, the rotary spiral propelling knife 12 can continuously push soft dirt towards the inside of the pump body 1, and the situation that the soft dirt cannot be crushed due to the fact that the soft dirt blocks the inlet 2 of the pump is further reduced.

Referring to fig. 3 and 6, the top of the supporting tray 10 is fixedly connected with the lower hemispheres 15 which are uniformly distributed, the bottom side of the lower sleeve 11 is fixedly connected with the upper hemispheres 16 which are uniformly distributed, the lower hemispheres 15 are in contact with the bottom side of the lower sleeve 11, the upper hemispheres 16 are in contact with the top of the supporting tray 10, the lower hemispheres 15 and the upper hemispheres 16 are in contact with each other and are alternately distributed, and the lower hemispheres 15 and the upper hemispheres 16 can prevent the driving shaft 9 and the spiral propelling knife 12 from rotating relatively when in use, so that the driving shaft 9 cannot drive the spiral propelling knife 12 to rotate.

Referring to fig. 1, 2 and 7, the auxiliary pushing mechanism includes a clamping groove 30 uniformly distributed on the outer wall of the driving shaft 9 and located above the thread 13, an upper sleeve 31 clamped with the clamping groove 30 is sleeved on the outer wall of the driving shaft 9, two symmetrical supporting columns 17 are fixedly connected to the outer wall of the upper sleeve 31, one end of each supporting column 17 far away from the upper sleeve 31 is connected with an inclined scraper 18, a fastening bolt 20 is connected to the top end of the driving shaft 9 through a thread, an extrusion ring 21 is fixedly connected to the bottom side of the fastening bolt 20, the extrusion ring 21 is in contact with the top of the upper sleeve 31, when in use, the movable knife 3 is driven by the motor to rotate, the movable knife 3 drives the driving shaft 9 to rotate, the driving shaft 9 drives the inclined scraper 18 and the long needle 19 to rotate through the upper sleeve 31 and the supporting columns 17, the inclined scraper 18 which is inclined upwards can continuously cut soft dirt and push the interior of the pump body 1 in the rotating process, the situation that the soft dirt blocks the inlet 2 of the pump is reduced, so that the soft dirt cannot be crushed.

Referring to fig. 1, fig. 2, support column 17 top fixedly connected with long needle 19, feeder hopper 23 all extends out at the top of long needle 19 and the top of slope scraper blade 18, can further improve the crushing efficiency of soft filth like this, and slope scraper blade 18 contacts with feeder hopper 23 inner wall, support column 17 drives long needle 19 and rotates, the rotten soft filth that pivoted long needle 19 can be continuous stirs, make soft filth drop to the pump body 1 inside through feeder hopper 23, further reduce soft filth and block up pump inlet 2 and lead to can't taking place soft filth kibbling condition.

Referring to fig. 1 and 2, the cross section of the inclined scraper 18 is triangular, and the top end of the inclined scraper 18 is a side common to both faces, so that the influence of soft dirt blocking on the rotation of the inclined scraper 18 is reduced.

Referring to fig. 2 and 8, the pushing mechanism includes a movable groove 24 formed in an inner wall of the feeding hopper 23, a separation plate 25 is connected between two opposite inner walls of the movable groove 24, a U-shaped movable plate 26 is movably inserted into the separation plate 25, an upward inclined pushing bar 27 is fixedly connected to a position of the inner wall of the U-shaped movable plate 26 close to the bottom side, the supporting column 17 is lower than the top of the pushing bar 27 and higher than the bottom side of the pushing bar 27, a pushing tooth 28 inclined toward the inside of the feeding hopper 23 is fixedly connected to the top of the inner wall of the U-shaped movable plate 26, a spring 29 is fixedly connected between the bottom side of the U-shaped movable plate 26 and the inner wall of the bottom side of the movable groove 24, when the driving shaft 9 drives the supporting column 17 to rotate, the pushing bar 27 is pressed downward when the supporting column 17 contacts with the pushing bar 27, so that the pushing bar 27 drives the U-shaped movable plate 26 to move downward, and further drives the pushing tooth 28 to move downward, and when the pushing tooth 28 moves downward, the soft dirt is pushed toward the inside of the feeding hopper 23, the efficiency of the soft soil entering the feed hopper 23 is improved.

Referring to fig. 2 and 8, the height of the pushing bar 27 in the vertical direction is equal to the distance between the bottom side of the U-shaped movable plate 26 and the inner wall of the bottom side of the movable groove 24, the height of the partition plate 25 is greater than the distance between the bottom side of the U-shaped movable plate 26 and the inner wall of the bottom side of the movable groove 24, and the distance between the bottom side of the pushing tooth 28 and the top of the feeding hopper 23 is less than the distance between the bottom side of the U-shaped movable plate 26 and the inner wall of the bottom side of the movable groove 24, so that when the supporting column 17 contacts the pushing bar 27, the pushing tooth 28 is slowly pushed into the feeding hopper 23 through the U-shaped movable plate 26, the efficiency of soft dirt entering the feeding hopper 23 is improved, and the length of the inclined scraper 18 extending out of the feeding hopper 23 is less than the distance between the bottom side of the pushing tooth 28 and the top of the feeding hopper 23, so as to avoid the inclined scraper 18 contacting the pushing tooth 28.

When in use: the movable knife 3 is driven by the motor to rotate, the movable knife 3 drives the driving shaft 9 to rotate, the driving shaft 9 drives the inclined scraper 18 and the long needle 19 to rotate through the upper sleeve 31 and the supporting column 17, the inclined scraper 18 which inclines upwards can continuously cut soft dirt and push the soft dirt towards the inside of the pump body 1 in the rotating process, meanwhile, the rotating long needle 19 can continuously stir the soft dirt, meanwhile, when the driving shaft 9 rotates, the spiral propelling knife 12 can be driven by the lower sleeve 11 to rotate, the rotating spiral propelling knife 12 can continuously push the soft dirt towards the inside of the pump body 1, the situation that the soft dirt cannot be crushed due to the fact that the soft dirt blocks the pump inlet 2 is reduced, when the supporting column 17 is driven by the driving shaft 9 to rotate, the pushing strip 27 can be pressed downwards when the supporting column 17 is in contact with the pushing strip 27, and the pushing strip 27 drives the U-shaped movable plate 26 to move downwards, and then drive pushing teeth 28 and move downwards, when pushing teeth 28 moves downwards, will bulldoze soft filth towards feeder hopper 23 inside, improve the efficiency that soft filth enters into feeder hopper 23.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a marine crushing pump of difficult jam, includes the pump body (1) and sets up pump inlet (2) and the setting at the pump body (1) top and move sword (3) of setting in the pump body (1) inside, its characterized in that: move hollow steel pipe (4) of fixedly connected with on sword (3), be provided with drive shaft (9) on hollow steel pipe (4), supreme supplementary push down mechanism and the supplementary push down mechanism that is used for pushing away soft filth to pump body (1) inside down is provided with respectively from down on drive shaft (9), pump import (2) top is provided with annular disc (22), feeder hopper (23) of annular disc (22) top fixedly connected with and pump import (2) looks adaptation, feeder hopper (23) inner wall is provided with and is used for pushing away the inside pushing equipment of pump body (1) with soft filth.

2. The marine chopper pump of claim 1, further comprising: spout (6) have been seted up to hollow steel pipe (4) inner wall, drive shaft (9) bottom fixedly connected with inserts post (5), insert post (5) and hollow steel pipe (4) looks adaptation, insert post (5) outer wall fixedly connected with slider (7), slider (7) and spout (6) looks adaptation.

3. The marine chopper pump of claim 2, further comprising: and one side of the inserted column (5) is provided with a fixed screw hole (8), and the hollow steel pipe (4) is in threaded connection with the fixed screw hole (8) through a bolt.

4. The marine chopper pump of claim 1, further comprising: supplementary push down mechanism is including fixing bearing tray (10) that drive shaft (9) outer wall is close to the bottom, drive shaft (9) outer wall cup joints lower sleeve (11), lower sleeve (11) are placed on bearing tray (10), lower sleeve (11) outer wall fixedly connected with spiral propulsion sword (12), the position that drive shaft (9) outer wall is located near lower sleeve (11) top is provided with screw thread (13), drive shaft (9) are connected with fastening nut (14) through screw thread (13).

5. The marine chopper pump of claim 4, wherein: the bearing plate is characterized in that lower hemispheres (15) which are uniformly distributed are fixedly connected to the top of the bearing plate (10), upper hemispheres (16) which are uniformly distributed are fixedly connected to the bottom side of the lower sleeve (11), the lower hemispheres (15) are in contact with the bottom side of the lower sleeve (11), the upper hemispheres (16) are in contact with the top of the bearing plate (10), and the lower hemispheres (15) are in contact with the upper hemispheres (16) and are alternately distributed.

6. The marine chopper pump of claim 4, wherein: supplementary push mechanism includes draw-in groove (30) that distribute evenly that drive shaft (9) outer wall and the position that is located screw thread (13) top were seted up, drive shaft (9) outer wall has cup jointed last sleeve pipe (31) with draw-in groove (30) looks joint, two symmetrical support columns (17) of last sleeve pipe (31) outer wall fixedly connected with, the one end of keeping away from last sleeve pipe (31) support column (17) is connected with slope scraper blade (18), drive shaft (9) top threaded connection has fastening bolt (20), fastening bolt (20) bottom side fixedly connected with extrusion ring (21), extrusion ring (21) contact with last sleeve pipe (31) top.

7. The marine chopper pump of claim 6, wherein: support column (17) top fixedly connected with long needle (19), feeder hopper (23) all extend from the top of long needle (19) and the top of slope scraper blade (18), and slope scraper blade (18) contact with feeder hopper (23) inner wall.

8. The marine chopper pump of claim 6, wherein: the section of the inclined scraper (18) is triangular, and the top end of the inclined scraper (18) is a side shared by two faces.

9. The marine chopper pump of claim 6, wherein: the pushing mechanism comprises a movable groove (24) formed in the inner wall of the feeding hopper (23), a separation plate (25) is connected between the inner walls of two opposite sides of the movable groove (24), a U-shaped movable plate (26) is movably inserted into the separation plate (25), a position, close to the bottom side, of the inner wall of the U-shaped movable plate (26) is fixedly connected with a pushing strip (27) which is inclined upwards, a supporting column (17) is lower than the top of the pushing strip (27) and higher than the bottom side of the pushing strip (27), a pushing tooth (28) which is inclined inwards to the feeding hopper (23) is fixedly connected to the top of the inner wall of the U-shaped movable plate (26), and a spring (29) is fixedly connected between the bottom side of the U-shaped movable plate (26) and the inner wall of the bottom side of the movable groove (24).

10. The marine chopper pump of claim 9, further comprising: the height of the pushing strip (27) in the vertical direction is equal to the distance between the bottom side of the U-shaped movable plate (26) and the inner wall of the bottom side of the movable groove (24), the height of the separation plate (25) is larger than the distance between the bottom side of the U-shaped movable plate (26) and the inner wall of the bottom side of the movable groove (24), the distance between the bottom side of the pushing tooth (28) and the top of the feeding hopper (23) is smaller than the distance between the bottom side of the U-shaped movable plate (26) and the inner wall of the bottom side of the movable groove (24), and the length of the inclined scraper blade (18) extending out of the feeding hopper (23) is smaller than the distance between the bottom side of the pushing tooth (28) and the top of the feeding hopper (23).