CN215085091U

CN215085091U - Chain plate type mud scraper

Info

Publication number: CN215085091U
Application number: CN202121519548.9U
Authority: CN
Inventors: 张璟泰; 马红艳
Original assignee: XIAMEN LUHAI TECHNOLOGY ENGINEERING CO LTD
Current assignee: XIAMEN LUHAI TECHNOLOGY ENGINEERING CO LTD
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-10
Anticipated expiration: 2031-07-05

Abstract

The application discloses a chain plate type mud scraper, which relates to the technical field of mud scrapers and solves the problems of large shaking of scrapers and poor mud scraping effect; the bottom of the sedimentation tank is provided with a guide rail along the length direction of the driving chain, and the scraper is provided with a limiting structure sliding on the guide rail. This application can reduce rocking of scraper blade, improves the scraper blade and to the effect of striking off of mud.

Description

Chain plate type mud scraper

Technical Field

The application relates to the technical field of mud scrapers, in particular to a chain plate type mud scraper.

Background

In the sewage treatment process, a sedimentation tank is often used for carrying out primary sedimentation and purification on sewage, and relatively clear water is discharged from the upper half part of the sedimentation tank. Because a large amount of sludge is precipitated at the bottom of the tank, a sludge scraper is required to scrape the sludge at the bottom of the tank so as to maintain the daily work of the sedimentation tank.

The Chinese utility model discloses a mud scraper for a sedimentation tank, which is disclosed in CN212662789U, and comprises a sedimentation tank, wherein a collecting tank is arranged at one end of the inner wall of the bottom of the sedimentation tank, two sets of chain wheel mechanisms which are oppositely arranged are arranged in the sedimentation tank, each chain wheel mechanism comprises a driving chain wheel and three driven chain wheels, the driving chain wheel is connected with the three driven chain wheels through a first driving chain, each first driving chain is of a quadrilateral structure with parallel upper and lower sides, and a plurality of scraping plates are fixedly connected between the two first driving chains; a first rotating shaft is rotatably connected between the inner walls of the two sides of the sedimentation tank and connected with a driving mechanism. Drive first drive chain through actuating mechanism and rotate, order about the scraper blade and strike off the mud at the bottom of the sedimentation tank and discharge again behind the collecting vat.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the driving chain driving scraper plate motion process, the driving chain has great rocking, and the scraper plate has great rocking when striking off mud promptly, strikes off the effect relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to reduce rocking of scraper blade, improve the scraper blade and to the effect of striking off of mud, this application provides a chain slat type mud scraper.

The application provides a chain slat type mud scraper adopts following technical scheme:

a chain plate type mud scraper is arranged in a sedimentation tank and comprises two groups of parallel driving chains, a driving mechanism for driving the two driving chains to synchronously rotate and scraping plates arranged on the two driving chains at intervals; the bottom of the sedimentation tank is provided with a guide rail along the length direction of the driving chain, and the scraper is provided with a limiting structure sliding on the guide rail.

Through adopting above-mentioned technical scheme, driving motor starts, drives the driving chain operation, and the scraper blade carries out cyclic motion along with the driving chain. When the scraper blade moves to the sedimentation tank bottom, can strike off mud, the scraper blade slides along guided way length direction through limit structure, can reduce to rock, improves the effect of striking off of mud.

Optionally, limit structure includes the guide way, the guide way is seted up on the scraper blade, and after the scraper blade moved to the sedimentation tank bottom along with the drive chain, the guide way joint was on the guided way to and form sliding connection between the guided way.

Through adopting above-mentioned technical scheme, the guide way joint is on the guided way to form sliding connection with the guided way, when making the scraper blade remove along guided way length direction, reduce along scraper blade length direction's rocking.

Optionally, a rolling wheel is rotationally arranged in the guide groove, and the axial direction of the rolling wheel is the same as the length direction of the scraper.

Through adopting above-mentioned technical scheme, the setting of rolling wheel for the scraper blade removes the in-process and reduces the friction.

Optionally, the guide rails are provided in two numbers, and are arranged at intervals along the length direction of the scraper.

Through adopting above-mentioned technical scheme, the guided way is provided with two for the scraper blade is more stable at the removal in-process.

Optionally, a support rail is further arranged in the sedimentation tank, the scraper moves to the upper portion of the sedimentation tank along with the driving chain, a butting block is arranged on one downward side wall of the scraper, and the butting block is in sliding butting connection with the support rail.

By adopting the technical scheme, the scraper plate moves to the upper part of the sedimentation tank, and scum can be scraped and then is discharged in a centralized manner; the support rail makes the scraper blade can follow the horizontal direction and steadily remove to through the setting of butt joint piece, reduce the wearing and tearing of scraper blade.

Optionally, the driving mechanism includes two sprocket sets and a driving motor for driving the sprocket sets to rotate, and the two driving chains are respectively sleeved on the two sprocket sets; the chain wheel set comprises a driving wheel and a driven wheel; the driving wheels and the driven wheels are rotatably arranged on the side wall of the sedimentation tank, and a driving shaft is connected between the driving wheels on the two chain wheel sets; the driving motor is in transmission connection with the driving shaft.

Through adopting above-mentioned technical scheme, driving motor drives the driving shaft and rotates, and then drives the cover and locates the drive chain rotation on the sprocket group to make the scraper blade along with drive chain cyclic motion, strike off mud.

Optionally, wherein just right two are provided with the regulating plate from the driving wheel on, two one side of keeping away from each other from the driving wheel all is connected with the axis of rotation, the one end of keeping away from the driving wheel in the axis of rotation is rotated and is installed on the regulating plate, one side that the axis of rotation was kept away from to the regulating plate is provided with the fixing base of fixed mounting on the sedimentation tank, the adjustment tank has been seted up to the fixing base upper level, the regulating plate slides and in the adjustment tank, is provided with the retaining member of locking regulating plate on the fixing base.

Through adopting above-mentioned technical scheme, after long-term the use, if not hard up between drive chain and the sprocket group, the regulating plate removes the back along the adjustment tank direction for tensioning between drive chain and the sprocket group, rethread locking piece is with regulating plate locking fixed.

Optionally, the retaining member includes locking bolt, the notch width of adjustment tank is less than the tank bottom width, be provided with the regulating block that slides in the adjustment tank on the regulating plate, locking bolt is provided with two, and corresponds threaded connection on the both sides cell wall of adjustment tank, and locking bolt supports tightly on the regulating block after passing the adjustment tank cell wall.

By adopting the technical scheme, the locking bolts on the two sides of the adjusting groove are tightly screwed and abut against the adjusting block, and the adjusting block can be fixedly locked.

Optionally, the number of the adjusting grooves is two along the vertical direction, and the adjusting blocks are installed in the adjusting grooves in a one-to-one correspondence manner.

Through adopting above-mentioned technical scheme, the adjustment tank is provided with two, and the regulating block correspondence is provided with two, and locking bolt is fixed the back to the regulating block, further improves the regulation board and is connected stably between the fixing base.

In summary, the present application includes at least one of the following benefits:

1. the scraper slides along the length direction of the guide rail through the limiting structure, so that the shaking can be reduced, and the sludge scraping effect is improved;

2. the arrangement of the rolling wheels can effectively reduce the friction generated by the scraper in the moving process;

3. the arrangement of the adjusting plate and the fixed seat can adjust the tensioning degree between the driving chain and the chain wheel group.

Drawings

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

FIG. 2 is a schematic structural view of the guide rail and the scraper in the present embodiment;

fig. 3 is an exploded view of the driven wheel, the adjusting plate and the fixing base in the present embodiment.

Description of reference numerals: 1. a drive chain; 2. a drive mechanism; 21. a sprocket set; 211. a driving wheel; 212. a driven wheel; 213. a drive shaft; 22. a drive motor; 3. a squeegee; 31. a guide groove; 32. a rolling wheel; 33. a butting block; 4. a guide rail; 5. a support rail; 6. an adjusting plate; 61. a rotating shaft; 62. an adjusting block; 7. a fixed seat; 71. an adjustment groove; 8. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses chain slat type mud scraper. Referring to fig. 1, the chain scraper is installed in a settling tank and includes two sets of parallel driving chains 1, a driving mechanism 2 for driving the two driving chains 1 to rotate, and a scraper 3 installed on the driving chains 1. Drive chain 1 through actuating mechanism 2 and rotate, and then drive scraper blade 3 and strike off the mud of sedimentation tank bottom, discharge from the collecting vat of sedimentation tank.

Referring to fig. 1, the driving mechanism 2 includes two sprocket sets 21 and a driving motor 22. The sprocket set 21 includes a driving pulley 211 and a driven pulley 212. A driving shaft 213 is connected between the two driving wheels 211 on the two chain wheel sets 21, and two ends of the driving shaft 213 extend to the outside of the driving wheels 211 and are rotatably mounted on the side wall of the sedimentation tank through bearing seats. The output shaft of the driving motor 22 is connected with one end of the driving shaft 213 in a transmission manner by a chain sprocket. The two driving chains 1 are correspondingly sleeved on the two sets of chain wheel sets 21, and the driving motor 22 drives the chains to rotate, so as to drive the scraper 3 to scrape off the sludge.

Referring to fig. 1, the scrapers 3 are connected between two driving chains 1 and are arranged at intervals along the length direction of the driving chains 1. The bottom of the sedimentation tank is provided with a guide rail 4 along the length direction of the driving chain 1. The guide rails 4 are provided with two and distributed at both ends of the length direction of the scraper 3. In other embodiments, three or more guide rails 4 may be provided and spaced along the length of the blade 3.

Referring to fig. 1 and 2, the scraper 3 is provided with a limiting structure, and the limiting structure comprises a guide groove 31. When the scraper 3 moves to the bottom of the sedimentation tank along with the driving chain 1, the guide grooves 31 are arranged on one side of the scraper 3 facing the bottom of the sedimentation tank and correspond to the guide rails 4 one by one. The guide way 31 joint is on guided way 4 to form sliding connection with guided way 4, thereby reduce the rocking of scraper blade 3 at the sedimentation tank bottom of the pool removal in-process.

In other embodiments, limit structure can also be the stopper of installing in scraper blade 3 bottom, and the stopper is provided with two and slide joint in the both sides of guided way 4 to it rocks to make scraper blade 3 reduce in the slip in-process.

Referring to fig. 1 and 2, in order to reduce the friction generated when the squeegee 3 slides, a roller 32 is rotatably mounted on the squeegee 3 in a guide groove 31. The rolling wheel 32 has the same axial direction as the longitudinal direction of the squeegee 3.

Referring to fig. 1, further, in order to scrape off dross in the settling tank. Support rails 5 are arranged on the upper portions of the two side walls of the sedimentation tank. Scraper blade 3 moves to sedimentation tank upper portion along with drive chain 1, and scraper blade 3 a lateral wall both ends down all weld butt piece 33, and butt piece 33 has stronger wearability, and butt piece 33 slides the butt in supporting rail 5 upper surface. Therefore, the scum floating in the sedimentation tank can be scraped to one side of the sedimentation tank through the movement of the scraper 3 and is intensively discharged.

Referring to fig. 1 and 3, there may be looseness between the chain and the sprocket set 21 when used for a long time. Therefore, the adjusting plate 6 is rotatably mounted on two opposite driven wheels 212. The two driven wheels 212 are connected with the rotating shaft 61 through keys on the sides far away from each other, and one end of the rotating shaft 61 far away from the driven wheels 212 is rotatably connected with the adjusting plate 6 through a bearing. The side wall of the sedimentation tank is correspondingly provided with a fixed seat 7. The fixing seat 7 is horizontally provided with two adjusting grooves 71, and the two adjusting grooves 71 are spaced apart in the vertical direction. One side of the adjusting plate 6 close to the fixed seat 7 is integrally connected with an adjusting block 62. The width of the notch of the adjusting groove 71 is smaller than that of the groove bottom, and the dovetail structure is formed. The adjusting block 62 correspondingly slides in the adjusting groove 71. When the adjusting block 62 is installed, one side of the adjusting groove 71 extends to the end part of the fixed seat 7, and after the adjusting block 62 is installed in the adjusting groove 71, one side of the adjusting groove 71 is sealed in a welding mode.

Referring to fig. 1 and 3, a locking member for locking the adjustment plate 6 is installed on the fixing base 7. The locking member comprises a locking bolt 8. The locking bolt 8 is screwed on the fixed seat 7, and one end of the locking bolt extends into the adjusting groove 71. The axial direction of the locking bolt 8 is the same as the moving direction of the adjusting block 62. The locking bolts 8 are distributed on two sides of the adjusting groove 71, and the locking bolts 8 penetrate through the adjusting groove 71 and then abut against the adjusting block 62.

When the driving chain 1 and the chain wheel set 21 are loosened, the locking bolts 8 are loosened, the adjusting plates 6 on the two driven wheels 212 move along the adjusting grooves 71, and the driving wheels and the chain wheel set 21 are tensioned; and then the two sides of the adjusting block 62 are tightly pressed and fixed by the locking bolt 8 in sequence.

The implementation principle of the chain plate type mud scraper in the embodiment of the application is as follows:

in operation, the driving motor 22 is started to drive the driving wheel 211 to rotate, and further drive the driving chain 1 to rotate. The flight 3 performs a circulating motion with the drive chain 1. When the scraper blade 3 moves to the sedimentation tank bottom, can strike off mud, the guide way 31 on the scraper blade 3 slides along 4 length direction of guided way, can reduce to rock, improves the effect of striking off of mud.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a chain slat type mud scraper, installs in the sedimentation tank, its characterized in that: comprises two groups of parallel driving chains (1), a driving mechanism (2) for driving the two driving chains (1) to synchronously rotate, and scraping plates (3) which are arranged on the two driving chains (1) at intervals; the sedimentation tank bottom is installed guided way (4) along drive chain (1) length direction, be provided with the limit structure who slides on guided way (4) on scraper blade (3).

2. The chain scraper as claimed in claim 1, wherein: limiting structure includes guide way (31), on scraper blade (3) was seted up in guide way (31), scraper blade (3) along with driving chain (1) motion to sedimentation tank bottom back, guide way (31) joint on guided way (4) to and form sliding connection between guided way (4).

3. A chain scraper as claimed in claim 2, wherein: the guide groove (31) is internally and rotatably provided with a rolling wheel (32), and the axial direction of the rolling wheel (32) is the same as the length direction of the scraper (3).

4. The chain scraper as claimed in claim 1, wherein: the number of the guide rails (4) is two, and the guide rails are arranged at intervals along the length direction of the scraper (3).

5. The chain scraper as claimed in claim 1, wherein: still be provided with in the sedimentation tank and support rail (5), scraper blade (3) move to sedimentation tank upper portion along with drive chain (1), and scraper blade (3) downward lateral wall is provided with butt joint piece (33), and butt joint piece (33) slip butt on supporting rail (5).

6. The chain scraper as claimed in claim 1, wherein: the driving mechanism (2) comprises two chain wheel sets (21) and a driving motor (22) for driving the wheel sets of the driving chains (1) to rotate, and the two driving chains (1) are respectively sleeved on the two chain wheel sets (21); the chain wheel set (21) comprises a driving wheel (211) and a driven wheel (212); the driving wheel (211) and the driven wheel (212) are rotatably arranged on the side wall of the sedimentation tank, and a driving shaft (213) is connected between the driving wheels (211) on the two chain wheel sets (21); the driving motor (22) is in transmission connection with the driving shaft (213).

7. The chain scraper as claimed in claim 6, wherein: wherein just right two are provided with regulating plate (6) from driving wheel (212), two one side of keeping away from each other from driving wheel (212) all is connected with axis of rotation (61), one end rotation installation in regulating plate (6) of keeping away from driving wheel (212) is rotated in axis of rotation (61), one side that axis of rotation (61) was kept away from in regulating plate (6) is provided with fixed mounting fixing base (7) on the sedimentation tank, adjustment tank (71) have been seted up to fixing base (7) level, in regulating plate (6) slided and adjustment tank (71), be provided with the retaining member of locking regulating plate (6) on fixing base (7).

8. The chain scraper as claimed in claim 7, wherein: the retaining member includes locking bolt (8), the notch width of adjustment tank (71) is less than the tank bottom width, be provided with regulating block (62) that slide in adjustment tank (71) on regulating plate (6), locking bolt (8) are provided with two, and correspond threaded connection on the both sides cell wall of adjustment tank (71), support tightly on regulating block (62) after adjusting tank (71) cell wall is passed in locking bolt (8).

9. The chain scraper as claimed in claim 8, wherein: two adjusting grooves (71) are formed at intervals along the vertical direction, and the adjusting blocks (62) are installed in the adjusting grooves (71) in a one-to-one correspondence mode.