CN2907822Y

CN2907822Y - Mud scraper

Info

Publication number: CN2907822Y
Application number: CN 200620071715
Authority: CN
Inventors: 田鸿彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-18
Filing date: 2006-05-18
Publication date: 2007-06-06
Anticipated expiration: 2016-05-18

Abstract

A mud scraper of the utility model relates to the mud scraper which is used for scrapping the mud settling down at the bottoms of settling tanks. The mud scrapper is composed of a drive device, a driving chain wheel, an idler pulley, a chain, and a scraper plate; wherein, the driving chain wheel comprises a wheel body and a plurality of U-shaped blocks, the U-shaped blocks are evenly distributed on a single circumference of the wheel body and are fixed and connected with the wheel body respectively, the U-shaped blocks are closely arranged in turn, two adjacent side edges of two neighboring U-shaped blocks form a gear. The utility model adopts a chain wheel with assembled gear teeth, thereby the service life of the chain wheel is doubled; the work volume of a transmission shaft under the water is alleviated , the maintenance time is shortened, and the maintenance cost is lowered; the main parts and components of the product substitute the stainless material by making use of the considerable corrosion resistance of non-metallic materials, thereby the project investment can be greatly decreased, the load of the electromotor can be reduced, and the efficiency of the entire product is enhanced, additionally, the utility model has the advantages of light deadweight, corrosion resistance, long service life, marked electricity saving, good mud discharging and skimming effects and so on, and therefore high quality of the discharged water can be ensured.

Description

Novel mud scraper

Technical field

The utility model relates to a kind of mud scraper that collection precipitation pool bottom sludge is used of scraping.

Background technology

For rectangular sedimentation tank, adopted the product structure form that running vehicle type mud scraper, running vehicle type suction dredge and three kinds of forms of metallic bond transmission mud scraper are arranged in the past, to use so far from the eighties, major defect is as follows:

What the running vehicle type mud scraper adopted is single blade structure form, because the restriction of the mud stocking angle of getting dirty when scraping mud, it is low to scrape mud efficient, when sedimentation basin length is longer, promptly can cause spoil disposal in time, and mud is the nitrated rising phenomenon that occurs of anaerobism, influences water quality to occur.Need to adopt 3 sets of transmission mechanism to finish the travelling of driving, the lifting of cleaning shoe and the folding and unfolding action of skimming plate, complete machine power consumption height.

Be that with the difference of running vehicle type mud scraper spoil disposal adopts the mode of dredging tube, defective is correctly to control spoil disposal concentration, for rectangular sedimentation tank, water inlet direction sludge quantity is more, the closer to the water side, mud is few more, but suction dredge adopts weighing apparatus speed to travel substantially, the moisture percentage in sewage sludge height of overall suction will increase the processing load of subsequent technique.Need to adopt 3 sets of transmission mechanism to finish the travelling of driving, the vacuum draw of dredging tube and the folding and unfolding action of skimming plate, complete machine power consumption height.

Once adopted metallic bond transmission mud scraper at the end of the eighties and the beginning of the nineties, carry link employing steel-casting and stainless steel material manufacturing, stainless steel scraper plate, but because the deadweight of chain link and scraper plate is heavier, chain link and scraper plate serious wear, service life of equipment is shorter, part replacement needs to carry out after the Sewage Plant stopping production discharges water, and cannot say for sure to demonstrate,prove the normal operation of Sewage Plant.When adopting the cast steel carrier chain, material is seriously corroded under the sewage environment.As adopt stainless steel material, and complete machine cost height, cost is bigger.When adopting the monoblock type sprocket wheel, maintain and replace inconvenience need stop the work of processor, bleeds off the water in the processor, makes maintenance time long, the cost height.

Summary of the invention

The utility model provides a kind of novel mud scraper of assembled sprocket wheel at above defective.

The technical solution of the utility model is: be made up of drive unit, drive sprocket, guide wheel, chain, scraper plate, its drive sprocket comprises wheel body and plurality of U-shaped piece, the plurality of U-shaped piece is distributed on the same circumference of wheel body and fixedlys connected with wheel body respectively, U-shaped piece and U-shaped piece are closely arranged successively, and the adjacent dual-side of adjacent two U-shaped pieces constitutes gear teeth.

Described scraper plate is equidistant on chain to be laid at interval.

The material of described chain is modification of nylon resin, glass reinforced resin alloy, acetal resin.

The material of described scraper plate is high strength glass fibre reinforced.

Mud scraper of the present utility model has adopted the sprocket wheel of the assembled gear teeth, after wearing and tearing appear in the long-time unidirectional rotation of the gear teeth, can assemble in the other direction and continue to use, and makes increase by one times the service life of sprocket wheel; Simultaneously,, reduced maintenance time, reduced maintenance cost because dismounting does not need to dismantle the power transmission shaft that is under water and alleviated workload; The main parts size of this product such as Carrier chain link and scraper plate etc. have adopted the nonmetallic materials manufacturing, utilize the high characteristics of nonmetallic materials corrosion resistance to substitute stainless steel material, greatly reduce construction investment, reduced motor load, improved overall efficiency, complete machine has from characteristics such as heavy and light, corrosion-resistant, long service life, economize on electricity be obvious; The utility model has adopted a sets of transmission mechanism to finish many scraper plates and has scraped mud and skimming technology continuously, and spoil disposal and skimming are effective, can guarantee the effluent characteristics requirement.

Description of drawings

Fig. 1 is a structural representation of the present utility model

1 is drive motors among the figure, the 2nd, and drive chain, the 3rd, sprocket wheel, the 4th, upper bracket, the 5th, fixing flight link, the 6th, guide wheel, the 7th, carrier chain, the 8th, slag-drip opening, the 9th, guide wheel, the 10th, scraper plate, the 11st, guide wheel, the 12nd, bucket;

Fig. 2 be among Fig. 1 A to view

13 is power transmission shafts among the figure, the 14th, and track at the bottom of the pond, the 15th, axle bed;

Fig. 3 is the structural representation of sprocket wheel

16 is U-shaped pieces among the figure, the 17th, and wheel body.

Fig. 4 is the cutaway view of Fig. 3

The specific embodiment

Wide according to the pond, set the width of the utility model mud scraper, reserve the length of power transmission shaft 13 and scraper plate 10 as required; Establish a bucket in the end, pond, the corresponding mud scraper mud extraction of bucket upper shed position; The scraper plate 10 of mud scraper is to the top stroke time, and height is corresponding with liquid level in the pond, makes it the scum silica frost of left-falling stroke place liquid level.

Drive motors 1 is arranged on more than the liquid level, and sprocket wheel 3 and upper block 6 are being set near liquid level position, and drive motors 1 is connected by drive chain 2 with sprocket wheel 3; Position at the bottom of the pond is provided with guide wheel 9, guide wheel 11, and sprocket wheel 3, guide wheel 6, guide wheel 9, guide wheel 11 are connected by chain 7, and wherein guide wheel 9 is adjustable, can adjust the degree of tightness of chain 7, and the material of chain 7 is modification of nylon resin, glass reinforced resin alloy, acetal resin; The material of scraper plate 10 is high strength glass fibre reinforced; Replace original metal material, can reduce motor load effectively, improved the operational efficiency of complete machine.

Equidistant interval is connected with the scraper plate 10 that glass-reinforced plastic material is made on chain 7, and scraper plate 10 is connected with chain 7 by fixing flight link 5; Be to guarantee the skimming effect of 10 pairs of liquid level scum silica frost of scraper plate, upper bracket 4 is set, influence the skimming effect of scraper plate 10 to prevent that chain 7 is sagging in the up stroke section of carrier chain 7; Be the contact friction at the bottom of minimizing scraper plate 10 and the pond, track 14 at the bottom of the bottom, pond is provided with the pond is to prolong the service life of scraper plate 10.

At the up stroke end of chain 7, the outside of guide wheel 6 is provided with slag-drip opening 8, and the scum silica frost that scraper plate 10 skims is concentrated by outside this mouthful discharge pond; At the down stroke art end of chain 7, the outside of guide wheel 11 is provided with bucket 12, and the sediment that scraper plate 10 scrapes enters bucket 12.

Sprocket wheel 3 is an assembled, it comprises wheel body and plurality of U-shaped piece 16, plurality of U-shaped piece 16 be distributed on the same circumference of wheel body 17 and respectively with 17 fixedly connected connections of wheel body, U-shaped piece 16 is closely arranged successively with U-shaped piece 16, the adjacent dual-side of adjacent two U-shaped pieces 16 constitutes gear teeth.Chain strip adoption expanding chain pin connects.

Claims

1, a kind of novel mud scraper, form by drive unit, drive sprocket, guide wheel, chain, scraper plate, it is characterized in that, its drive sprocket comprises wheel body and plurality of U-shaped piece, the plurality of U-shaped piece is distributed on the same circumference of wheel body and fixedlys connected with wheel body respectively, U-shaped piece and U-shaped piece are closely arranged successively, and the adjacent dual-side of adjacent two U-shaped pieces constitutes gear teeth.

2, novel mud scraper according to claim 1 is characterized in that, described scraper plate is equidistant on chain to be laid at interval.

3, novel mud scraper according to claim 1 is characterized in that, the material of described chain is modification of nylon resin, glass reinforced resin alloy, acetal resin.

4, a kind of mud scraper according to claim 1 is characterized in that, the material of described scraper plate is high strength glass fibre reinforced.