CN215275903U

CN215275903U - High-efficiency center transmission mud scraper

Info

Publication number: CN215275903U
Application number: CN202023291163.XU
Authority: CN
Inventors: 陆另贰; 徐正光
Original assignee: Jiangsu Biqing Environmental Protection Equipment Engineering Co ltd
Current assignee: Jiangsu Biqing Environmental Protection Equipment Engineering Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-12-24
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a sewage treatment device technical field specifically is a high efficiency center drive mud scraper. Including the pivot, set up the installation cavity in the pivot, set up the threaded rod in the installation cavity, the threaded rod upper end is connected with the driving motor output through bevel gear drive structure, threaded rod lateral wall threaded connection screw thread section of thick bamboo, both ends difference fixedly connected with bottom crossbeam about screw thread section of thick bamboo upper end, both ends difference fixedly connected with installation pole about the lower extreme, the bottom crossbeam, the pivot lateral wall is passed in the installation pole outside, be connected through the connecting rod between bottom crossbeam and the installation pole, the inside activity of installation pole is pegged graft and is had the lifter, the lifter bottom is connected with the mud scraper, the mounting groove has been seted up in the lifter, the dead lever is installed perpendicularly in the mounting groove, nested piece and spring are established to the dead lever upper and lower both ends, nested piece and installation pole fixed connection. The application range of the mud scraper is improved, multiple scraping of silt is realized, damage to the mud scraper is effectively avoided, and the working efficiency is improved.

Description

High-efficiency center transmission mud scraper

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a high efficiency center drive mud scraper.

Background

The mud scraper is mainly used in circular sedimentation tanks with larger diameters in municipal sewage treatment plants, tap water plants and industrial wastewater treatment to remove mud settled at the bottom of the tank and scum on the surface of a skimming tank. The central transmission mud scraper is suitable for scraping and removing the sludge in a radial flow (circular) sedimentation tank with the diameter generally not more than 18m of a water plant or a sewage treatment plant in a water supply and drainage project.

The current center drive mud scraper, when the silt thickness of bottom of the pool bottom is thicker, the mud scraper is difficult once only to strike off it, strikes off the damage that the in-process easily produced the mud scraper, and the use reliability of equipment is relatively poor. Chinese patent CN210583829U proposes a height adjustment structure with added mud scraping plates, which realizes multiple scraping of silt, reduces one-time scraping of silt, and reduces the central transmission mud scraper causing damage and breakage of mud scraping plates when silt is scraped when silt is thicker. But can only realize the whole altitude mixture control of mud scraper, only be applicable to the smooth pond in bottom surface, the practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high efficiency center drive mud scraper to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a high-efficiency center transmission mud scraper comprises a rotating shaft, wherein an installation cavity is formed in the rotating shaft, a threaded rod is arranged in the installation cavity, the upper end of the threaded rod is connected with the output end of a driving motor through a bevel gear transmission structure, the top end and the bottom end of the threaded rod are respectively rotatably connected with the top end and the bottom end of the installation cavity, the outer side wall of the threaded rod is in threaded connection with a threaded cylinder, the left end and the right end of the upper end of the threaded cylinder are respectively and fixedly connected with a bottom cross beam, the left end and the right end of the lower end of the threaded cylinder are respectively and fixedly connected with an installation rod, the outer sides of the bottom cross beam and the installation rod penetrate through the side wall of the rotating shaft, the bottom cross beam and the installation rod are mutually connected through a connecting rod, a lifting rod is movably inserted in the installation rod, the bottom of the lifting rod is connected with a mud scraping plate, an installation groove is formed in the lifting rod, a fixed rod is vertically installed in the installation groove, the fixed rod is sleeved with a sleeve block and a spring, the spring is located at the upper end and the lower end of the sleeve block, and the sleeve block is fixedly connected with the mounting rod.

The bevel gear transmission structure comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is sleeved on the threaded rod, and the second bevel gear is connected with the output end of the driving motor.

The output end of the speed reducing motor is connected with the transmission mechanism through the torque overload protector in a driving mode, and the transmission mechanism is connected with the rotating shaft.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model can automatically ascend and descend according to the height change of the pool bottom through the lifting rod under the condition that the pool bottom has a slope, thereby improving the application range of the mud scraper;

2. the bevel gear transmission structure can drive the threaded rod to rotate, so that the threaded cylinder can be lifted, the mud scrapers can be lifted, the two groups of mud scrapers can be gradually lowered in the mud scraping process, the two groups of mud scrapers can gradually scrape mud, the mud can be scraped for multiple times, the mud can be scraped once, and the phenomena of damage and breakage of the mud scrapers during mud scraping when the mud is thick can be reduced;

3. through moment of torsion overload protection ware, when transshipping appears too deeply when the mud accumulation, moment of torsion overload protection ware can automatic disconnection to stop gear motor, then accessible elevating gear drives the drive main shaft and removes along axial direction, changes the height, and the depth position of mud device is scraped in the adjustment, makes it be in suitable position, can effectively avoid causing the damage to mud scraper, thereby has improved work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a side view of the lifter of the present invention;

in the figure: the device comprises a rotating shaft 1, a mounting cavity 2, a threaded rod 3, a bevel gear transmission structure 4, a first bevel gear 41, a second bevel gear 42, a driving motor 5, a threaded cylinder 6, a bottom cross beam 7, a connecting rod 8, a mounting rod 9, a lifting rod 10, a mud scraper 11, a mounting groove 12, a fixing rod 13, a sleeve block 14, a spring 15, a transmission mechanism 16, a torque overload protector 17 and a speed reducing motor 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a high efficiency center drive mud scraper, includes pivot 1, its characterized in that: a mounting cavity 2 is arranged in the rotating shaft 1, a threaded rod 3 is arranged in the mounting cavity 2, the upper end of the threaded rod 3 is connected with the output end of a driving motor 5 through a bevel gear transmission structure 4, the top end and the bottom end of the threaded rod 3 are respectively rotatably connected with the top end and the bottom end of the mounting cavity 2, the outer side wall of the threaded rod 3 is in threaded connection with a threaded cylinder 6, the left end and the right end of the upper end of the threaded cylinder 6 are respectively and fixedly connected with a bottom cross beam 7, the left end and the right end of the lower end are respectively and fixedly connected with a mounting rod 9, the outer side of the bottom cross beam 7 and the outer side of the mounting rod 9 penetrate through the side wall of the rotating shaft 1, the bottom cross beam 7 is mutually connected with the mounting rod 9 through a connecting rod 8, a lifting rod 10 is movably inserted in the mounting rod 9, the bottom of the lifting rod 10 is connected with a mud scraping plate 11, a mounting groove 12 is arranged in the lifting rod 10, a fixing rod 13 is vertically arranged in the mounting groove 12, and a sleeve block 14 and a spring 15 are sleeved on the fixing rod 13, the spring 15 is positioned at the upper end and the lower end of the sleeve block 14, and the sleeve block 14 is fixedly connected with the mounting rod 9. The utility model discloses a lifter 10, under the circumstances that there is the slope at the bottom of the pool, the mud scraper 11 can rise automatically and descend according to the altitude variation of bottom of the pool, has improved the application scope of mud scraper. And under the condition that there is not slope at the bottom of the pool, can weld the dead lever between lifter 10 and installation pole 9, make lifter 10, installation pole 9 and dead lever form triangle-shaped, make lifter 10 fixed, the mud scraping plate 11 reciprocates and leads to leaking and scrapes when preventing to scrape mud.

The bevel gear transmission structure 4 comprises a first bevel gear 41 and a second bevel gear 42 which are meshed with each other, the first bevel gear 41 is sleeved on the threaded rod 3, the second bevel gear 42 is connected with the output end of the driving motor 5, the driving motor 5 drives the second bevel gear 42 to rotate, and the first bevel gear 41 is driven to rotate, so that the threaded rod 3 is driven to rotate, the lifting of the threaded cylinder 6 is realized, and the height of the mud scraping plate 11 is adjusted. Through bevel gear drive structure, can reduce two sets of mud scrapers gradually at the in-process of scraping mud, make two sets of mud scrapers strike off mud gradually, realize striking off many times to silt, reduce disposable striking off to silt, when reducing silt thickness and being thick, cause the damage and the rupture phenomenon of mud scraper 11 when silt strikes off.

Still include gear motor 18, drive mechanism 16, gear motor 18's output passes through moment of torsion overload protector 17 drive connection drive mechanism 16, and drive mechanism 16 connects pivot 1, through moment of torsion overload protector 17, to when the overload appears too deeply when the mud accumulation, moment of torsion overload protector 17 can automatic disconnection to stop gear motor 18, then the degree of depth position of adjustment mud scraper 11 makes it be in suitable position, can effectively avoid causing the damage to the mud scraper.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high efficiency center drive mud scraper, includes pivot (1), its characterized in that: the improved structure of the spiral thread shaft is characterized in that an installation cavity (2) is formed in the rotating shaft (1), a threaded rod (3) is arranged in the installation cavity (2), the upper end of the threaded rod (3) is connected with the output end of a driving motor (5) through a bevel gear transmission structure (4), the top end and the bottom end of the threaded rod (3) are respectively rotatably connected with the top end and the bottom end of the installation cavity (2), the outer side wall of the threaded rod (3) is in threaded connection with a threaded cylinder (6), the left end and the right end of the upper end of the threaded cylinder (6) are respectively and fixedly connected with a bottom cross beam (7), the left end and the right end of the lower end are respectively and fixedly connected with an installation rod (9), the outer sides of the bottom cross beam (7) and the installation rod (9) penetrate through the side wall of the rotating shaft (1), the bottom cross beam (7) is mutually connected with the installation rod (9) through a connecting rod (8), and a lifting rod (10) is movably inserted in the installation rod (9), lifter (10) bottom is connected with mud scraper (11), set up mounting groove (12) in lifter (10), dead lever (13) are equipped with to vertical installation in mounting groove (12), the cover is equipped with nested piece (14) and spring (15) on dead lever (13), spring (15) are located the upper and lower both ends of nested piece (14), nested piece (14) and installation pole (9) fixed connection.

2. A high efficiency, center drive mud scraper as claimed in claim 1, wherein: the bevel gear transmission structure (4) comprises a first bevel gear (41) and a second bevel gear (42) which are meshed with each other, the first bevel gear (41) is sleeved on the threaded rod (3), and the second bevel gear (42) is connected with the output end of the driving motor (5).

3. A high efficiency, center drive mud scraper as claimed in claim 1, wherein: the motor is characterized by further comprising a speed reducing motor (18) and a transmission mechanism (16), wherein the output end of the speed reducing motor (18) is in driving connection with the transmission mechanism (16) through a torque overload protector (17), and the transmission mechanism (16) is connected with the rotating shaft (1).