CN215310405U

CN215310405U - Gravity type sludge thickener mud scraper

Info

Publication number: CN215310405U
Application number: CN202120564648.7U
Authority: CN
Inventors: 陈其强; 张刚
Original assignee: Nanjing Boteiman Environmental Equipment Manufacturing Co ltd
Current assignee: Nanjing Boteiman Environmental Equipment Manufacturing Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-28
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a gravity type sludge thickener mud scraper which comprises a working bridge, wherein a main shaft is arranged at the bottom of the working bridge, the main shaft is arranged in a sedimentation tank, and a cleaning mechanism is arranged on the outer side of the main shaft; the cleaning mechanism comprises a fixing block, the fixing block is sleeved on the outer side of the main shaft, a single bearing is arranged between the fixing block and the main shaft, the fixing block is movably connected with the main shaft through the single bearing, a plurality of ejector rods are fixedly connected to the outer side of the fixing block, a scraping arm is arranged at the bottom of each ejector rod, a metal pull wire is fixedly connected to one end of the top of the scraping arm, and a guide hole is formed in one end, far away from the fixing block, of each ejector rod. Maintenance personnel need not get into the inside bottom of sedimentation tank and maintain, has reduced the potential safety hazard of maintenance to a plurality of scraper blades are removed out of the material, thereby need not to withdraw from the material again, need discharge the material and cause the condition emergence that work efficiency reduces when having avoided the maintenance.

Description

Gravity type sludge thickener mud scraper

Technical Field

The utility model belongs to the technical field of mud scrapers, and particularly relates to a gravity type mud thickener.

Background

A mud scraper is a machine for cleaning mud from a river channel, is used in a circular sedimentation tank with larger diameter in municipal sewage treatment plants, water supply plants and industrial wastewater treatment, and is used for removing the mud settled at the bottom of the tank and skimming scum on the surface of the tank.

Traditional gravity type sludge concentration tank mud scraper carries out work in the inside bottom of sedimentation tank in the in-service use in-process, and gravity type sludge concentration tank mud scraper's a plurality of scraper blades fragile, because the reason of position, maintenance person need get into the inside bottom of sedimentation tank and maintain, this just needs to clear up the inside material of sedimentation tank and the inside maintenance person who just is not convenient for of sedimentation tank stands for the originally of slope, lead to extravagant manpower and materials and stability when having the maintenance person maintenance has the potential safety hazard by force not.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gravity type sludge thickener mud scraper, which aims to solve the problems that due to position, maintenance personnel need to enter the bottom end inside a sedimentation tank for maintenance, so that the materials inside the sedimentation tank need to be cleaned, the maintenance personnel cannot conveniently stand due to the inclined inner part of the sedimentation tank, manpower and material resources are wasted, the stability is not strong when the maintenance personnel maintain, and the potential safety hazard exists.

In order to achieve the purpose, the utility model provides the following technical scheme: a gravity type sludge thickener mud scraper comprises a working bridge, wherein a main shaft is arranged at the bottom of the working bridge, the main shaft is arranged in a sedimentation tank, and a cleaning mechanism is arranged on the outer side of the main shaft;

the cleaning mechanism comprises a fixed block, the fixed block is sleeved on the outer side of the main shaft, a single bearing is arranged between the fixed block and the main shaft, the fixed block is movably connected with the main shaft through the single bearing, a plurality of ejector rods are fixedly connected to the outer side of the fixed block, a scraping arm is arranged at the bottom of each ejector rod, a metal pull wire is fixedly connected to one end of the top of each scraping arm, a guide hole is formed in one end of each ejector rod, which is far away from the fixed block, one end of each metal pull wire penetrates through the guide hole and extends to the top of the fixed block to be fixedly connected with the outer side of the main shaft, and a stabilizing component is arranged between one end of each scraping arm, which is far away from the metal pull wire, and the main shaft;

the stabilizing component comprises an extension rod, the extension rod is fixedly connected to one end, far away from the metal stay wire, of the scraping arm, a limiting groove is formed in one end, far away from the scraping arm, of the extension rod, a limiting block is arranged inside the limiting groove, and the limiting block is fixedly connected to the outer side of the main shaft.

Preferably, a plurality of grids are arranged in the ejector rod, the bottoms of the grids extend to the top of the scraping arm, and the scraping arm is connected with the ejector rod in a sliding mode.

Preferably, the top of the working bridge is fixedly provided with a positive and negative motor, and an output shaft of the positive and negative motor extends to the bottom of the working bridge and is in transmission connection with the top of the main shaft.

Preferably, it is a plurality of the equal fixedly connected with connecting rod in grid bottom both sides, it is a plurality of the connecting rod bottom all runs through scrapes the arm and extends to and scrapes the arm bottom, adjacent two scraper blade of connecting rod bottom fixedly connected with.

Preferably, the connecting rods are gradually lengthened outwards from the main shaft, and the bottom surfaces of the scraping plates are arranged obliquely upwards.

Preferably, the bottom of the sedimentation tank is arranged in an inclined mode, and the inclination of the plurality of scraping plates is the same as that of the bottom of the sedimentation tank.

The utility model has the technical effects and advantages that: maintenance personnel need not get into the inside bottom of sedimentation tank and maintain, has reduced the potential safety hazard of maintenance to a plurality of scraper blades are removed out of the material, thereby need not to withdraw from the material again, need discharge the material and cause the condition emergence that work efficiency reduces when having avoided the maintenance.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a perspective view of the cleaning mechanism of the present invention;

FIG. 4 is an enlarged view of a portion B of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of a portion C of FIG. 4 according to the present invention.

In the figure: 1. a working bridge; 2. a sedimentation tank; 3. grid bars; 4. a metal stay wire; 5. a top rod; 6. a main shaft; 7. a limiting groove; 8. a single bearing; 9. a positive and negative motor; 10. a fixed block; 11. a scraping arm; 12. a squeegee; 13. a guide hole; 14. a connecting rod; 15. a limiting block; 16. an extension rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a gravity type sludge thickener mud scraper as shown in figures 1-5, which comprises a working bridge 1, wherein the bottom of the working bridge 1 is provided with a main shaft 6, the main shaft 6 is arranged in a sedimentation tank 2, and the outer side of the main shaft 6 is provided with a cleaning mechanism;

the cleaning mechanism comprises a fixing block 10, the fixing block 10 is sleeved outside a main shaft 6, a single bearing 8 is arranged between the fixing block 10 and the main shaft 6, the fixing block 10 is movably connected with the main shaft 6 through the single bearing 8, a plurality of ejector rods 5 are fixedly connected outside the fixing block 10, scraping arms 11 are arranged at the bottoms of the ejector rods 5, metal pull wires 4 are fixedly connected to one ends of the tops of the scraping arms 11, guide holes 13 are formed in the ends, far away from the fixing block 10, of the ejector rods 5, one ends of the metal pull wires 4 penetrate through the guide holes 13 and extend to the tops of the fixing block 10 to be fixedly connected with the outer side of the main shaft 6, and stabilizing components are arranged between one ends, far away from the metal pull wires 4, of the scraping arms 11 and the main shaft 6;

the stabilizing component comprises an extension rod 16, the extension rod 16 is fixedly connected to one end of the scraping arm 11 far away from the metal stay wire 4, the extension rod 16 is far away from one end of the scraping arm 11 and is provided with a limiting groove 7, a limiting block 15 is arranged inside the limiting groove 7, and the limiting block 15 is fixedly connected to the outer side of the main shaft 6.

Specifically, ejector pin 5 is inside to be equipped with a plurality of bars 3, and is a plurality of 3 bottoms of bars extend to and scrape 11 tops of arm, scrape arm 11 in 5 sliding connection of ejector pin, do not influence the structural condition of ejector pin 5 when being convenient for carry scraper blade 12.

Specifically, a positive and negative motor 9 is fixedly arranged at the top of the working bridge 1, and an output shaft of the positive and negative motor 9 extends to the bottom of the working bridge 1 and is in transmission connection with the top of the main shaft 6.

Specifically, it is a plurality of 3 equal fixedly connected with connecting rods 14 in bottom both sides of bars, it is a plurality of connecting rod 14 bottom all runs through scrapes arm 11 and extends to and scrapes 11 bottoms of arm, adjacent two scraper blade 12 of 14 bottom fixedly connected with of connecting rod.

Specifically, a plurality of connecting rod 14 outwards lengthens step by step from main axle 6 department, and is a plurality of scraper blade 12 bottom surface becomes the slope upwards setting, is convenient for make the shape of a plurality of scraper blades 12 bottom more cooperation sedimentation tank 2.

Specifically, the bottom of the sedimentation tank 2 is arranged in an inclined manner, and the inclination of the plurality of scraping plates 12 is the same as the inclination of the bottom of the sedimentation tank 2.

The working principle is as follows: when the utility model is used, as shown in fig. 1-5, the positive and negative motor 9 is powered on to start to drive the main shaft 6 to rotate, then the ejector rod 5 is used to drive the ejector rods 5, the limiting blocks 15, the extension rod 16 and the scraping arms 11 to rotate, so that the ejector rods 5 and the scraping arms 11 are used to drive the grid strips 3, the connecting rods 14 and the scraping plates 12 to rotate, the rotation of the scraping plates 12 can be used to continuously push the sludge to the center inside the sedimentation tank 2, thereby achieving the cleaning effect, then when the scraping plates 12 need to be maintained, the positive and negative motor 9 is started to rotate reversely, the fixed block 10 is connected with the main shaft 6 through the single bearing 8, the positive and negative motor 9 can drive the main shaft 6 to rotate reversely without driving the fixed block 10 to rotate, at this time, the metal stay wire 4 can be wound by the rotation of the main shaft 6, the scraping arms 11 are pulled to move upwards by the metal stay wire 4, thereby can drive a plurality of scraper blades 12 and move up, make a plurality of scraper blades 12 constantly promoted to ejector pin 5 department, scraper blade 12 at this moment has removed from the inside material of sedimentation tank 2 inside, and at this moment the maintenance personal need not get into the inside bottom of sedimentation tank 2 and maintains, has reduced the potential safety hazard of maintenance, and a plurality of scraper blades 12 are outside being removed the material, thereby need not withdraw from the material again, need discharge the material and cause the condition that work efficiency reduces to take place when having avoided the maintenance.

As shown in fig. 4, utilize the setting of stopper 15 and extension rod 16, can carry out the stability on the circumference to scraping arm 11 when clearing up, the too big condition that leads to scraping arm 11 and damage of resistance of scraping arm 11 when avoiding clearing up takes place to utilize the setting of spacing groove 7 can not influence extension rod 16's removal when scraping arm 11 and go up, and the whole in-process that moves down utilizes the spacing direction of bars 3 to make spacing groove 7 on the extension rod 16 accurate sheathe in on stopper 15.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a gravity type sludge thickening tank mud scraper, includes working bridge (1), its characterized in that: a main shaft (6) is arranged at the bottom of the working bridge (1), the main shaft (6) is arranged in the sedimentation tank (2), and a cleaning mechanism is arranged on the outer side of the main shaft (6);

the cleaning mechanism comprises a fixed block (10), the fixed block (10) is sleeved outside the main shaft (6), a single bearing (8) is arranged between the fixed block (10) and the main shaft (6), the fixed block (10) is movably connected with the main shaft (6) through a single bearing (8), a plurality of ejector rods (5) are fixedly connected with the outer side of the fixed block (10), the bottom of each ejector rod (5) is provided with a scraping arm (11), one end of the top of the scraping arm (11) is fixedly connected with a metal pull wire (4), one end of the ejector rod (5) far away from the fixed block (10) is provided with a guide hole (13), one end of the metal stay wire (4) penetrates through the guide hole (13) and extends to the top of the fixed block (10) to be fixedly connected with the outer side of the main shaft (6), a stabilizing component is arranged between one end of the scraping arm (11) far away from the metal stay wire (4) and the main shaft (6);

the stabilizing component comprises an extension rod (16), the extension rod (16) is fixedly connected to one end of the scraping arm (11) far away from the metal stay wire (4), the extension rod (16) is far away from one end of the scraping arm (11) and is provided with a limiting groove (7), a limiting block (15) is arranged inside the limiting groove (7), and the limiting block (15) is fixedly connected to the outer side of the main shaft (6).

2. The mud scraper of claim 1, wherein: the inside a plurality of bars (3) that are equipped with of ejector pin (5), it is a plurality of bar (3) bottom extends to scrapes arm (11) top, scrape arm (11) in ejector pin (5) sliding connection.

3. The mud scraper of claim 1, wherein: the top of the working bridge (1) is fixedly provided with a positive and negative motor (9), and an output shaft of the positive and negative motor (9) extends to the bottom of the working bridge (1) and is in transmission connection with the top of the main shaft (6).

4. The mud scraper of claim 2, wherein: a plurality of equal fixedly connected with connecting rod (14) in grid (3) bottom both sides, it is a plurality of connecting rod (14) bottom all runs through scrapes arm (11) and extends to and scrapes arm (11) bottom, adjacent two scraper blade (12) of connecting rod (14) bottom fixedly connected with.

5. The mud scraper of claim 4, wherein: the connecting rods (14) are lengthened outwards step by step from the main shaft (6), and the bottom surfaces of the scraping plates (12) are arranged upwards in an inclined mode.

6. The mud scraper of claim 4, wherein: the bottom of the sedimentation tank (2) is obliquely arranged, and the inclination of the scraping plates (12) is the same as that of the bottom of the sedimentation tank (2).