CN213049533U

CN213049533U - Sludge scraper for sewage treatment

Info

Publication number: CN213049533U
Application number: CN202021868155.4U
Authority: CN
Inventors: 余新林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-27
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to a sewage treatment device technical field, specific sludge scraper for sewage treatment that says so, including the sedimentation tank, the sedimentation tank upper end spanes installs the work bridge, two sets of L type mounting panels are installed to work bridge upper end symmetry, be connected with the threaded rod through the bearing rotation between L type mounting panel and the work bridge, L type mounting panel upper end fixed mounting has first motor, the output shaft and the threaded rod upper end fixed connection of first motor, threaded connection has the removal seat on the threaded rod. The utility model can stir the sludge between sludge scraping through the stirring blades, so that the sludge is loosened, the resistance of the first rotating shaft and the scraper blade is reduced, and the sludge scraping efficiency is improved; the scraper blade and stirring vane's height can be adjusted according to the degree of depth of mud in the sedimentation tank, and when mud was more, can carry out the multilayer to the sedimentation tank and scrape mud operation, effectively reduced the resistance extension mud scraper that first pivot and scraper blade bore's life.

Description

Sludge scraper for sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment device, concretely relates to mud scraper is used in sewage treatment.

Background

The sewage treatment is an effective process method for various economic, reasonable, scientific and industrial waste water of urban domestic sewage and industrial waste water. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like.

The mud scraper is a mechanical device commonly used in sewage treatment and is used for removing sludge settled at the bottom of a sludge tank. To this end, the patent application No. 201220379333.6 discloses a center drive mud scraper, which comprises an electric cabinet, a driving device, a mud scraping device, a weir plate, a working bridge and a center hanging frame; the driving device is positioned in the center of the working bridge; the electric cabinet is electrically connected with the driving device; the mud scraping device and the weir plate are both positioned below the working bridge and distributed on two sides of the central vertical frame by taking a main shaft of the driving device as a symmetry axis. The mud scraping device comprises a pull rod and a mud scraping plate; the pull rods are symmetrically distributed on two sides of the central vertical frame; the mud scraping plate is connected with a main shaft of the driving device through a pull rod. The center-drive mud scraper has the characteristics of good mud scraping effect and low energy consumption.

However, the above solution has the following disadvantages in use:

1. the stirring device is not arranged, the blocky sludge cannot be stirred before the sludge is scraped, so that the sludge scraping resistance of the sludge scraping plate is large, and the service life of the scraper plate is influenced;

2. the height of the mud scraping plate can not be adjusted, and when the sludge in the sedimentation tank is thick, mud scraping is difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mud scraper for sewage treatment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sludge scraper for sewage treatment comprises a sedimentation tank, wherein a working bridge is spanned and installed at the upper end of the sedimentation tank, two groups of L-shaped mounting plates are symmetrically installed at the upper end of the working bridge, a threaded rod is rotatably connected between the L-shaped mounting plates and the working bridge through a bearing, a first motor is fixedly installed at the upper end of the L-shaped mounting plates, an output shaft of the first motor is fixedly connected with the upper end of the threaded rod, a moving seat is connected onto the threaded rod in a threaded manner, a lifting plate is fixedly connected between the two groups of moving seats, two groups of mounting seats are fixedly installed at the upper end of the lifting plate, a second motor and a third motor are respectively installed at the upper ends of the two groups of mounting seats, a first rotating shaft and a second rotating shaft are respectively fixedly connected at the lower ends of output shafts of the second motor and the third motor, a driving gear is fixedly connected, install the driven gear who meshes with the driving gear on the beam barrel, the beam barrel is located same axis of ordinates with first pivot, just first pivot is passed from the beam barrel center, the through-hole that supplies the beam barrel and first pivot to pass is seted up at the working bridge middle part, beam barrel skin weld has stirring vane, it has the connection pad to just be located the welding of beam barrel lower extreme in the first pivot, the welding of connection pad surface circumference equidistance has the connecting plate, the connecting plate lower extreme passes through connecting rod equidistance fixedly connected with scraper blade.

As a further optimization of the technical scheme, a central sludge collecting groove is formed in the middle of the lower end in the sedimentation tank in a downward concave mode, and a sludge discharge port is communicated with one side of the central sludge collecting groove.

As a further optimization of the technical scheme, the one end fixedly connected with sliding block of the lifting plate is kept away from the moving seat, and the side wall of the L-shaped mounting plate is provided with a rectangular sliding hole for slidably connecting the sliding block.

As a further optimization of the technical scheme, the first rotating shaft and the shaft cylinder are positioned in the center of the sedimentation tank.

As a further optimization of the technical scheme, reinforcing ribs are welded between the upper end of the connecting plate and the first rotating shaft.

As the further optimization of the technical scheme, the connecting plate and the scraper are all parallel to the inner bottom side wall of the sedimentation tank, and the lower end face of the scraper is sleeved with the plastic sleeve.

The utility model discloses a technological effect and advantage:

1. the utility model is provided with the stirring blade, the third motor works to drive the driving gear to rotate, so that the driven gear rotates, the shaft cylinder and the stirring blade rotate, sludge can be stirred before sludge scraping, the sludge is loosened, and the scraper blade is convenient to scrape the sludge, so that the resistance of the first rotating shaft and the scraper blade is reduced, and the sludge scraping efficiency is improved;

2. the utility model discloses scraper blade and stirring vane's the degree of depth that highly can be according to mud in the sedimentation tank is adjusted, when mud is more, at first with scraper blade and stirring vane rebound, scrape mud to upper sludge through the scraper blade, then with scraper blade and stirring vane downstream, scrape mud to lower floor's mud through the scraper blade again for it is better to scrape mud effect, and the resistance that first pivot and scraper blade bore is less, prolongs the life of mud scraper.

Drawings

FIG. 1 is a schematic structural view of the scraper of the present invention located at the bottom of the sedimentation tank;

FIG. 2 is a schematic structural view of the scraper of the present invention located in the middle of the sedimentation tank;

fig. 3 is a schematic view of the connection structure of the connection plate, the connection plate and the scraper of the present invention.

In the figure: 1. a sedimentation tank; 2. a working bridge; 3. an L-shaped mounting plate; 4. a threaded rod; 5. a first motor; 6. a movable seat; 7. a lifting plate; 8. a mounting seat; 9. a second motor; 10. a third motor; 11. a first rotating shaft; 12. a second rotating shaft; 13. a driving gear; 14. a shaft cylinder; 15. a driven gear; 16. a connecting disc; 17. a connecting plate; 18. a squeegee; 19. a central sludge collection trough; 20. a sludge discharge port; 21. reinforcing ribs; 22. a stirring blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a sludge scraper for sewage treatment comprises a sedimentation tank 1, a central sludge collection tank 19 is arranged at the lower end of the sedimentation tank 1 and is recessed downwards, the central sludge collection tank 19 is used for collecting sludge, and the sludge entering the central sludge collection tank 19 can be discharged from a sludge discharge port 20.

The utility model discloses a sedimentation tank 1 upper end spanes installs working

bridge

2, 2 upper end symmetries of working bridge install two sets of L type mounting panel 3, rotate through the bearing between L type mounting panel 3 and the working bridge 2 and be connected with threaded

rod

4, 3 upper end fixed mounting of L type mounting panel has first motor 5, output shaft and the 4 upper end fixed connection of threaded rod of first motor 5, threaded rod 4 goes up threaded connection has removal seat 6, fixedly connected with lifter plate 7 between two sets of removal seats 6, remove the one end fixedly connected with slider that lifter plate 7 was kept away from to seat 6, the rectangle slide opening that is used for the sliding connection slider is offered to 3 lateral walls of L type mounting panel, through slider sliding connection in the rectangle slide opening, play the guide effect to removing seat 6, make and remove seat 6 and carry out vertical up-and-down motion under threaded rod 4 rotates, can not take place the upset, thereby drive.

7 upper ends fixed mounting of lifter plate has two sets of mount pads 8, second motor 9 and third motor 10 are installed respectively to two sets of 8 upper ends of mount pads, the output shaft lower extreme of second motor 9 and third motor 10 is first pivot 11 and the second pivot 12 of fixedly connected with respectively, fixedly connected with driving gear 13 on the second pivot 12, be connected with beam barrel 14 through the bearing rotation on the lifter plate 7, install driven gear 15 with driving gear 13 engaged with on the beam barrel 14, beam barrel 14 is located same axis of ordinates with first pivot 11, and first pivot 11 passes from beam barrel 14 center, first pivot 11 and beam barrel 14 are located sedimentation tank 1 center, make the stirring and scrape mud more even, and then improve and scrape the mud effect. The through-hole that supplies beam barrel 14 and first pivot 11 to pass is seted up at 2 middle parts of working bridge, and beam barrel 14 skin weld has stirring vane 22, through the work of third motor 10, and drive driving gear 13 rotates for driven gear 15 rotates, thereby makes beam barrel 14 and stirring vane 22 rotate, stirs mud, makes mud loose, is convenient for scrape mud. On the first pivot 11 and be located the welding of axle cylinder 14 lower extreme and have connection pad 16, connection pad 16 surface circumference equidistance welding has connecting plate 17, all welds between specific connecting plate 17 upper end and the first pivot 11 and has strengthening rib 21, and strengthening rib 21 strengthens the structural strength of connecting plate 17, prolongs mud scraper's life. Connecting plate 17 lower extreme passes through connecting rod equidistance fixedly connected with scraper blade 18, scrape mud operation through scraper blade 18 to sedimentation tank 1, connecting plate 17 and scraper blade 18 all parallel with 1 inner bottom lateral wall in the sedimentation tank, make scraper blade 18 bottom can contact with 1 inner bottom lateral wall in the sedimentation tank, thereby make and scrape mud effect better, the plastic cover has all been cup jointed to the terminal surface under the scraper blade 18, play wear-resisting effect through setting up of plastic cover, the life of scraper blade 18 has been prolonged.

Specifically, when the sludge scraper is used, the first motor 5 works to drive the threaded rod 4 to rotate, so that the movable seat 6 drives the lifting plate 7 to move up and down, the heights of the stirring blades 22 and the scraper 18 can be adjusted according to the depth of sludge in the sedimentation tank 1, when more sludge is in the sedimentation tank 1, the first motor 5 works to drive the threaded rod 4 to rotate in the forward direction, so that the stirring blades 22 and the scraper 18 are driven to move upwards, the third motor 10 works to drive the driving gear 13 to rotate, so that the driven gear 15 rotates, the shaft cylinder 14 and the stirring blades 22 rotate, the sludge on the upper layer is stirred, the sludge is loosened, the scraper 18 scrapes the sludge, the resistance of the first rotating shaft 11 and the scraper 18 is reduced, the sludge scraping efficiency is improved, then the second motor 9 works to drive the first rotating shaft 11 to rotate, so that the connecting plate 17 and the scraper 18 rotate, scraping the upper layer sludge; after the upper strata has scraped, through the work of first motor 5, drive threaded rod 4 antiport to drive stirring vane 22 and scraper blade 18 downstream, make scraper blade 18 and sedimentation tank 1 bottom contact, stir lower floor's mud through stirring vane 22, scrape mud operation through scraper blade 18 to lower floor's mud, make mud get into central mud collection groove 19 after, outside the sedimentation tank 1 of following mud discharge port 20 discharge.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a mud scraper for sewage treatment, includes sedimentation tank (1), its characterized in that: the sedimentation tank is characterized in that a working bridge (2) is installed at the upper end of the sedimentation tank (1) in a spanning mode, two groups of L-shaped installation plates (3) are symmetrically installed at the upper end of the working bridge (2), a threaded rod (4) is connected between each L-shaped installation plate (3) and the working bridge (2) in a rotating mode through a bearing, a first motor (5) is fixedly installed at the upper end of each L-shaped installation plate (3), an output shaft of the first motor (5) is fixedly connected with the upper end of the threaded rod (4), a moving seat (6) is connected onto each threaded rod (4), a lifting plate (7) is fixedly connected between each two groups of moving seats (6), two groups of installation seats (8) are fixedly installed at the upper end of each lifting plate (7), a second motor (9) and a third motor (10) are installed at the upper ends of the two groups of installation seats (8), and a first rotating shaft (11) and a second rotating shaft (12) are, a driving gear (13) is fixedly connected on the second rotating shaft (12), a shaft barrel (14) is rotatably connected on the lifting plate (7) through a bearing, a driven gear (15) meshed with the driving gear (13) is arranged on the shaft cylinder (14), the shaft cylinder (14) and the first rotating shaft (11) are positioned on the same longitudinal axis, the first rotating shaft (11) penetrates through the center of the shaft cylinder (14), a through hole for the shaft cylinder (14) and the first rotating shaft (11) to penetrate through is formed in the middle of the working bridge (2), the surface of the shaft barrel (14) is welded with stirring blades (22), the lower end of the first rotating shaft (11) which is positioned on the shaft barrel (14) is welded with a connecting disc (16), connecting disc (16) surface circumference equidistance welding has connecting plate (17), connecting plate (17) lower extreme passes through connecting rod equidistance fixedly connected with scraper blade (18).

2. The mud scraper for sewage treatment as claimed in claim 1, wherein: the sedimentation tank is characterized in that the middle of the lower end in the sedimentation tank (1) is provided with a central sludge collecting groove (19) in a downward concave manner, and one side of the central sludge collecting groove (19) is communicated with a sludge discharge port (20).

3. The mud scraper for sewage treatment as claimed in claim 1, wherein: remove seat (6) and keep away from the one end fixedly connected with slider of lifter plate (7), the rectangle slide opening that is used for sliding connection slider is seted up to L type mounting panel (3) lateral wall.

4. The mud scraper for sewage treatment as claimed in claim 1, wherein: the first rotating shaft (11) and the shaft cylinder (14) are positioned in the center of the sedimentation tank (1).

5. The mud scraper for sewage treatment as claimed in claim 1, wherein: reinforcing ribs (21) are welded between the upper end of the connecting plate (17) and the first rotating shaft (11).

6. The mud scraper for sewage treatment as claimed in claim 1, wherein: the connecting plate (17) and the scraper (18) are parallel to the inner bottom side wall of the sedimentation tank (1), and the lower end face of the scraper (18) is sleeved with a plastic sleeve.