CN216778005U - Tensioning mechanism of mud scraper - Google Patents
Tensioning mechanism of mud scraper Download PDFInfo
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- CN216778005U CN216778005U CN202220070565.7U CN202220070565U CN216778005U CN 216778005 U CN216778005 U CN 216778005U CN 202220070565 U CN202220070565 U CN 202220070565U CN 216778005 U CN216778005 U CN 216778005U
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- pulley
- underframe
- scraper
- chain
- lead screw
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Abstract
The utility model relates to the technical field of mud scrapers, in particular to a tensioning mechanism of a mud scraper, which comprises an underframe and a frame beam erected on the underframe, wherein the frame beam is provided with a through hole, a wheel shaft capable of moving up and down in the through hole is arranged in the through hole, and a sixth pulley is arranged on the wheel shaft; the upper portion of the wheel shaft is connected with a lead screw and a nut, the top of the lead screw is provided with a hand-operated wheel, the nut is installed on the tensioning platform and is connected with the lead screw in a meshed mode, and the upper position and the lower position of the sixth pulley are driven to be adjusted by rotating the hand-operated wheel. The tensioning mechanism of the lead screw and the nut is arranged, the high and low positions of the pulley can be adjusted through rotation of the hand-operated wheel, the tensioning degree of the chain and the pulley block is further adjusted, the chain can be always tensioned in the transmission process, and the mud scraping efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of mud scrapers, in particular to a tensioning mechanism of a mud scraper.
Background
In order to solve the problem of water pollution in the development process of economy, a plurality of sewage treatment mechanisms adopt a sewage treatment tank to treat sewage, and a large amount of sludge is deposited at the bottom of the sewage treatment tank frequently in the sewage treatment process to influence the sewage treatment efficiency.
To solve the problem of sludge deposition, a sludge scraper is usually used to clean the sludge at the bottom of the tank. The mud scraper usually adopts a peripheral transmission rotary mud scraping mode, when the mud scraper operates, the scraper blade makes continuous rotary motion at a certain speed, and the precipitated mud at the bottom of the pool is continuously scraped and collected into the mud collecting groove to form a closed cycle working process.
Above-mentioned mud scraper adopts chain drive usually at the working process, and among the transmission process, the chain easily produces not hard up, influences mud scraping efficiency.
In addition, the existing mud scraper has the disadvantages of complex transmission and control structure, high cost and inconvenient installation and disassembly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a tensioning mechanism of a mud scraper, which comprises a bottom frame and a frame beam erected on the bottom frame, wherein the frame beam is provided with a through hole, a wheel shaft capable of moving up and down in the through hole is arranged in the through hole, and a sixth pulley is arranged on the wheel shaft; the top of the wheel shaft is connected with a lead screw and a nut, the top of the lead screw is provided with a hand-operated wheel, the nut is installed on the tensioning platform and meshed with the lead screw, and the upper position and the lower position of the sixth pulley are driven to be adjusted by rotating the hand-operated wheel.
The utility model also comprises a scraper arranged on the underframe, and the power mechanism comprises a support and a scraper arranged on the support:
a motor;
a rotating shaft connected with the motor;
a first pulley mounted on the rotating shaft;
a chain wound on the first pulley;
the control box is electrically connected with the motor and controls the motor to rotate forwards and backwards;
a pulley block mounted on the chassis;
the chain bypasses the first pulley and the pulley block and is fixedly connected with the scraper to drive the scraper to move along the underframe.
Furthermore, the pulley block comprises a second pulley and a third pulley which are arranged at the left end of the underframe and are vertically staggered, and a fourth pulley and a fifth pulley which are arranged at the right end of the underframe and are vertically staggered.
Furthermore, the chain is wound on the second pulley, the fourth pulley, the fifth pulley, the sixth pulley, the scraper, the third pulley and the first pulley in sequence to form a loop.
Further, the support is arranged 2-5m above the bottom frame.
Further, the chain between the first pulley and the second pulley is perpendicular to the base frame.
The utility model achieves the following beneficial effects:
firstly, the tensioning mechanism of the screw rod and the nut is arranged, the high and low positions of the pulley can be adjusted through the rotation of the hand-operated wheel, the tensioning degree of the chain and the pulley block is further adjusted, the chain can be always tensioned in the transmission process, and the mud scraping efficiency is improved;
secondly, the utility model has simple structure and convenient assembly and disassembly, and is suitable for sewage treatment tanks with longer distance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the chassis and the tensioning arrangement;
FIG. 3 is an enlarged view of the structure of FIG. 2 at C;
FIG. 4 is a schematic view of the power mechanism;
fig. 5 is an enlarged view of the structure at a in fig. 4.
In the figure:
1. a power mechanism; 11. a support; 12. a motor; 13. a first pulley; 14. a rotating shaft; 15. a bearing seat; 2. a chain; 3. a chassis; 31. a second pulley; 32. a third pulley; 33. a fourth pulley; 34. a fifth pulley; 35. a slide rail; 4. a squeegee; 51. a hand-operated wheel; 52. a nut; 53. a lead screw; 54. erecting a beam; 55. a sixth pulley; 6. a control box; 7. a bracket; 71. and a roller.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a tensioning mechanism of a mud scraper comprises an underframe 3 and a frame beam 54 erected on the underframe 3, wherein the frame beam 54 is provided with a through hole, a wheel shaft capable of moving up and down in the through hole is installed in the through hole, and a sixth pulley 55 is installed on the wheel shaft; the wheel shaft is connected with a lead screw 53 and a nut 52 above, the top of the lead screw 53 is provided with a hand-operated wheel 51, the nut 52 is installed on the tensioning platform and is meshed with the lead screw, and the upper position and the lower position of a sixth pulley 55 are driven to be adjusted by rotating the hand-operated wheel 51.
The utility model also comprises a power mechanism 1, wherein the power mechanism 1 comprises a base frame 3 and a scraper 4 arranged on the base frame 3, the power mechanism 1 comprises a support 11, a motor 12 arranged on the support 11 and a bearing seat 15, and the support 11 is preferably arranged at a position 2-5m above the base frame 3. The output end of the motor 12 is connected with the first pulley 13 through a rotating shaft 14, and the rotating shaft 14 is connected with a bearing seat 15. The chain 2 is wound on the first pulley 13.
The support 11 is also provided with a control box 6 electrically connected with the motor 12, and the control box can control the motor 12 to rotate forwards and backwards to drive the link to rotate forwards and backwards.
The chassis 3 is provided with a pulley block, and the chain 2 bypasses the first pulley 13 and the pulley block and is fixedly connected with the scraper 4 to drive the scraper 4 to move along the chassis 3.
The pulley block comprises a second pulley 31 and a third pulley 32 which are arranged at the left end of the underframe 3 and are arranged in a vertically staggered manner, and a fourth pulley 33 and a fifth pulley 34 which are arranged at the right end of the underframe 3 in a vertically staggered manner.
The chain 2 is wound around the second pulley 31, the fourth pulley 33, the fifth pulley 34, the sixth pulley 55, the scraper 4, the third pulley 32, and the first pulley 13 in this order to form a loop.
The chain 2 between the first pulley 13 and the second pulley 31 is perpendicular to the chassis 3.
A bracket 7 is arranged between the scraper 4 and the underframe 3, the scraper 4 is erected on the bracket 7, and the bracket 7 is provided with a roller 71; a slide rail 35 matched with the roller 71 is arranged on the underframe 3; the squeegee 4 is moved along the chassis 3 by the engagement of the rollers 71 with the slide rails 35.
The chain 2 is connected to the bracket 7, and the bracket 7 is driven by the chain 2 to move left and right along the bottom frame 3.
The bidirectional mud scraping action can be realized by controlling the positive rotation and the negative rotation of the motor, the mud scraping quality can be improved by accelerating the switching frequency and reciprocating the position with more mud, the high-low position of the pulley can be adjusted by rotating the hand-operated wheel through the tensioning mechanism with the lead screw and the nut, the tensioning degree of the chain and the pulley block can be further adjusted, the chain can be always tensioned in the transmission process, and the mud scraping efficiency can be improved.
The above embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a mud scraper straining device which characterized in that: the pulley comprises an underframe (3) and a frame beam (54) erected on the underframe (3), wherein the frame beam (54) is provided with a through hole, a wheel shaft capable of moving up and down in the through hole is installed in the through hole, and a sixth pulley (55) is installed on the wheel shaft; the wheel shaft top is connected with lead screw (53), nut (52), lead screw (53) top is provided with hand round (51), and nut (52) are installed on tensioning platform, are connected with the lead screw meshing, drive upper and lower position regulation of sixth pulley (55) through rotating hand round (51).
2. The tensioning mechanism of a mud scraper as claimed in claim 1, wherein: still include support (11) and install on support (11):
a motor (12);
a rotating shaft (14) connected with the motor (12);
a first pulley (13) mounted on the rotating shaft (14);
a chain (2) wound on the first pulley (13);
a control box (6) which is electrically connected with the motor (12) and controls the motor (12) to rotate forwards and backwards;
a pulley block arranged on the underframe (3);
the chain (2) bypasses the first pulley (13) and the pulley block and is fixedly connected with the scraper (4) to drive the scraper (4) to move along the underframe (3).
3. The tensioning mechanism of a mud scraper as claimed in claim 2, wherein: the pulley block comprises a second pulley (31) and a third pulley (32) which are arranged at the left end of the underframe (3) and vertically staggered, and a fourth pulley (33) and a fifth pulley (34) which are arranged at the right end of the underframe (3) and vertically staggered.
4. The tensioning mechanism of a mud scraper as claimed in claim 2, wherein: the chain (2) is sequentially wound on the second pulley (31), the fourth pulley (33), the fifth pulley (34), the sixth pulley (55), the scraper (4) and the third pulley (32) to form a loop, and the first pulley (13) is arranged on the second pulley (31), the fourth pulley (33), the fifth pulley (34), the sixth pulley (55).
5. The tensioning mechanism of a mud scraper as claimed in claim 2, wherein: the support (11) is arranged 2-5m above the bottom frame (3).
6. The tensioning mechanism of a mud scraper as claimed in claim 2, wherein: the chain (2) between the first pulley (13) and the second pulley (31) is vertical to the bottom frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220070565.7U CN216778005U (en) | 2022-01-12 | 2022-01-12 | Tensioning mechanism of mud scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220070565.7U CN216778005U (en) | 2022-01-12 | 2022-01-12 | Tensioning mechanism of mud scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216778005U true CN216778005U (en) | 2022-06-21 |
Family
ID=82012422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220070565.7U Active CN216778005U (en) | 2022-01-12 | 2022-01-12 | Tensioning mechanism of mud scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216778005U (en) |
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2022
- 2022-01-12 CN CN202220070565.7U patent/CN216778005U/en active Active
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