CN113457229A

CN113457229A - Self-adjusting mud scraper

Info

Publication number: CN113457229A
Application number: CN202110912066.8A
Authority: CN
Inventors: 雷国辉
Original assignee: Chengdu Changlingtang Environmental Protection Technology Co ltd
Current assignee: Chengdu Changlingtang Environmental Protection Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-10-01

Abstract

The invention relates to a self-adjusting mud scraper, belonging to the technical field of environment-friendly mechanical equipment. The invention comprises a column, a working bridge, a bracket, a tool rest and a tool; the tool rest linkage device is adopted, in the mud scraping process, the motor is utilized to rotate the tool rest, so that the tool is driven to do linear reciprocating motion, the end of the tool is axially connected with the brushless motor, the angle of the tool is changeable, the tool can be effectively inserted into hardened mud, impurities are broken, the hardened mud can be quickly broken, the mud is prevented from being accumulated, the bracket and the working bridge are lifted to cause deformation, and the bracket and the working bridge are effectively protected; according to the invention, the cutters are arranged in sequence according to the size, the outermost periphery is the largest, so that high-viscosity sludge can be scraped by the cutters in an oblique line, the removal effect is improved, and meanwhile, the linear reciprocating motion of the cutters can also effectively prevent the sludge from being adsorbed on the surfaces of the cutters, so that the sludge always has the downward scraping trend and kinetic energy, the sludge removal effect of the sludge scraper is further enhanced, and the sludge scraper has a good application prospect.

Description

Self-adjusting mud scraper

Technical Field

The invention relates to a self-adjusting mud scraper, belonging to the technical field of environment-friendly mechanical equipment.

Background

With the continuous improvement of the attention degree of the sewage treatment work in China, the investment in the sewage treatment field is continuously increased, and the quantity of the demands on sewage treatment equipment is continuously increased. The sewage sedimentation is an important link in the sewage treatment process, and the effects of sludge removal and skimming directly influence the water quality treatment. Mud scrapers are the main processing equipment responsible for the functions of mud discharge and skimming, and are generally classified into four categories: peripheral transmission mud scrapers (GA), central transmission mud scrapers (GZ), truss vehicle type mud scrapers (GH) and chain transmission type mud scrapers (GL). The peripheral transmission mud scraper is mainly suitable for radial flow sedimentation tanks with medium and large tank diameters. At present, most of mud scraping devices of peripheral transmission mud scrapers are divided into a fixed type and a dragging type. When the fixed mud scraping device works, if the mud scraping device is too thick or an obstacle generates too large resistance, the mud scraping device cannot be adjusted automatically due to the fixation, and the generated too large torque can cause the deformation of the mud scraping plate or the mud scraping device or even the deformation of a working bridge due to jacking; the mud scraping device of pulling formula is at the during operation, because the whole quality undersize of mud scraping device can not form effectual scraping force, if meet the mud and harden or subside the very little sludge blanket of thickness that can only scrape when too fast, scrape the sedimentation rate that the speed can not catch up with mud to it is more to lead to mud to amass, appears the condition that the mud scraping plate was lifted by the sludge blanket. Meanwhile, the sludge generally has extremely high viscosity, is viscous colloid, has strong adsorbability when moving slowly, and often appears that a sludge scraping device penetrates the sludge or the sludge descends slowly in the sludge scraping process, the sludge is not scraped away, and the sludge scraping device with a fixed or dragging structure needs to run back and forth to effectively remove the sludge; therefore, aiming at the problems encountered when the common mud scraping devices with fixed and dragging structures operate, the design of the peripheral transmission mud scraper with the adjustable device mud scraping assembly is very important.

Disclosure of Invention

The invention mainly solves the technical problems that: the invention provides a self-debugging mud scraper, aiming at the problems that the traditional mud scraper mainly depends on the slope gradient of a sedimentation tank to remove mud, so that the mud is easy to adhere to the slope, and further, the accumulation and the block hardening of the mud are generated, and the safe operation of a working bridge is influenced.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a self-adjusting mud scraper comprises a stand column, a working bridge, a bracket, a tool rest and a tool; the upright post is fixed in a pit in the center of the sedimentation tank, and a sludge outlet is formed in the side surface of the pit; the top end of the upright post is provided with a rotating motor; the rotating motor is rotatably connected with one end of the working bridge, the other end of the working bridge is fixedly connected with the travelling wheel, and the middle parts of the two ends of the working bridge are welded with the brackets; the top of the support is fixedly welded at the bottom of the working bridge, the bottom of the support extends to the bottom of the sedimentation tank, a tool rest and a tool are arranged between the support and the bottom of the sedimentation tank, connectors are arranged at two ends of the bottom of the support, a through hole is formed between the two connectors, and an underwater motor is arranged on the through hole; the tool rest is provided with a first connecting arm at one end close to the upright post, the left end of the first connecting arm is connected with a three-hole linkage piece, the right end of the first connecting arm is connected with the left end of a second connecting arm, the right end of the first connecting arm and the left end of the second connecting arm are jointly riveted with two-hole linkage pieces, and the right end of the second connecting arm is connected with another three-hole linkage piece; the tool rest is connected with the underwater motor through two hole linkage pieces, the tool rest is rotationally connected with the connectors at the two ends of the bracket through two three hole linkage pieces at the two ends, and the tool rest is fixedly connected with a tool through two three hole linkage pieces at the two ends; the front two ends of the cutter are provided with fixing heads which are respectively fixedly connected with two three-hole linkage sheets at the two ends of the cutter rest, one side face of the end, away from the stand column, of the cutter is fixedly connected with a sharp knife, bent knives are connected beside the sharp knife and are uniformly distributed between the two fixing heads, and the lengths of the bent knives are gradually decreased from the sharp knife ends.

Preferably, the inclination of the bottom of the bracket is consistent with that of the sedimentation basin, and the bracket is in a right-angled trapezoid shape.

Preferably, a track is arranged on the step on the side surface of the sedimentation tank, the track is concentric with the rotating motor, a rotating ball is arranged in the track, and the rotating ball is embedded in a hole below the travelling wheel.

Preferably, there are two three hole linkage pieces, use the connector at support bottom both ends respectively as the axis of rotation and rotate.

Preferably, an extension shaft is arranged between the left end of the first connecting arm and the three-hole linkage piece, and the extension shaft is fixedly connected with the left end of the first connecting arm and is rotatably connected with the three-hole linkage piece.

Preferably, one hole of the two hole linkage pieces is fixedly connected with the underwater motor shaft, and the other hole rotates around the circumference of the underwater motor shaft.

Preferably, the big hole in the three-hole linkage piece is rotatably connected with the connector.

Preferably, the curved knives are arranged seamlessly according to the sludge accumulation area.

Preferably, the progressive reduction multiplying power of the curved knife is 0.8-0.9.

Preferably, the curved knife is perpendicular to the axis of the fixed head, the curved knife is axially connected with the cutter, and a brushless motor is arranged at the joint.

The invention has the beneficial effects that:

(1) according to the invention, the tool rest linkage device is adopted, in the mud scraping process, if impurities exist at the bottom of the sedimentation tank or sludge in the sedimentation tank forms hardening, the tool rest is rotated by the motor, and then the tool is driven to do linear reciprocating motion, so that the hardened sludge can be quickly broken, the sludge accumulation is prevented, the deformation of the lifting support and the working bridge is caused, and the support and the working bridge are effectively protected; according to the invention, the cutters are arranged in sequence according to the size, the outermost periphery is the largest, so that high-viscosity sludge can be scraped by the cutters in an oblique line, the removal effect is improved, and meanwhile, the linear reciprocating motion of the cutters can also effectively prevent the sludge from being adsorbed on the surfaces of the cutters, so that the sludge always has the downward scraping trend and kinetic energy, and the sludge removal effect of the sludge scraper is further enhanced. The end of the cutter is axially connected with the brushless motor, so that the cutter has variable angles, can be effectively inserted into hardened sludge, breaks impurities, improves the cleaning effect of the mud scraper, reduces reciprocation, and has good application prospect.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional equi-biaxial side structure of the self-debugging mud scraper.

Fig. 2 is an isometric cross-sectional view of the self-commissioning mud scraper of the present invention.

Fig. 3 is a schematic view of the internal structure of the self-debugging mud scraper.

Fig. 4 is a schematic view of the connection structure of the cutter and the cutter holder of the self-debugging mud scraper.

Fig. 5 is a schematic structural diagram of a cutter and a cutter frame of the self-debugging mud scraper.

Wherein, 1, a sedimentation tank; 101. a track; 102. a sludge outlet; 2. a support; 201. a connector; 3. a working bridge; 301. a traveling wheel; 302. rotating the beads; 4. a column; 401. a rotating electric machine; 5. a cutter; 501. a sharp knife; 502. a fixed head; 503. bending a cutter; 6. a tool holder; 601. a three-hole linkage piece; 602. a first connecting arm; 603. two-hole linkage pieces; 604. a second connecting arm; 605. increasing the length of the shaft; 7. an underwater motor; 8. a brushless motor.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1-5, the self-debugging mud scraper comprises a stand column 4, a working bridge 3, a support 2, a tool rest 6 and a cutter 5; the upright post 4 is fixed in a pit in the center of the sedimentation tank 1, and a sludge outlet 102 is arranged on the side surface of the pit; the top end of the upright post 4 is provided with a rotating motor 401; the rotating motor 401 is rotatably connected with one end of the working bridge 3, the other end of the working bridge 3 is fixedly connected with the travelling wheel 301, and the middle parts of the two ends of the working bridge 3 are welded with the brackets 2; the top of the support 2 is fixedly welded at the bottom of the working bridge 3, the bottom of the support 2 extends to the bottom of the sedimentation tank 3, a tool rest 6 and a tool 5 are arranged between the support 2 and the bottom of the sedimentation tank 3, two ends of the bottom of the support 2 are provided with connectors 201, a through hole is arranged between the two connectors 201, and an underwater motor 7 is arranged on the through hole; a first connecting arm 602 is arranged at one end of the tool rest 6 close to the upright post 4, the left end of the first connecting arm 602 is connected with a three-hole linkage piece 601, the right end of the first connecting arm 602 is connected with the left end of a second connecting arm 604, the right end of the first connecting arm 602 and the left end of the second connecting arm 604 are riveted with a two-hole linkage piece 603 together, and the right end of the second connecting arm 604 is connected with another three-hole linkage piece 601; the tool rest 6 is connected with the underwater motor 7 through two hole linkage pieces 603, the tool rest 6 is rotatably connected with the connectors 201 at two ends of the support 2 through two three hole linkage pieces 601 at two ends, and the tool rest 6 is fixedly connected with the cutter 5 through two three hole linkage pieces 601 at two ends; the two ends of the front surface of the cutter 5 are provided with fixing heads 502, the fixing heads 502 are respectively fixedly connected with two three-hole linkage pieces 601 on the two ends of the cutter frame, the side surface of one end, far away from the upright post 4, of the cutter 5 is fixedly connected with a sharp knife 501, a bent knife 503 is connected beside the sharp knife 501, the bent knives 503 are uniformly distributed between the two fixing heads 502 in an arrayed manner, and the lengths of the bent knives (503) are gradually reduced from the end of the sharp knife (501).

The working principle of the invention is as follows: firstly, calculating the angle and the distance between a cutter 5 and a slope according to the slope gradient of the sedimentation tank 1, and adjusting the inclination angle between a cutter frame 6 and the slope by replacing a lengthening shaft 605 with different lengths, so that the cutter 5 on the cutter frame 6 is tightly attached to the bottom of the sedimentation tank, and under the condition that the position of a support 2 is not changed, the longer the lengthening shaft 605 is, the more tightly the cutter 5 is attached to the bottom of the sedimentation tank 1, and the smaller the pore of an attachment surface is; meanwhile, two-hole linkage pieces 603 and three-hole linkage pieces 601 are connected to the middle and two ends of the cutter 5 and the cutter rest 6, and linkage pieces with different thicknesses are used according to the slope gradient, so that all parts of the cutter 5 can be tightly attached to the bottom of the sedimentation tank; the curved knife 503 is axially connected with the cutter 5, the connection part is provided with the brushless motor 8, the brushless motor 8 is controlled to rotate through a connection line, and then the curved knife 503 is adjusted to axially rotate, so that the cutter 5 has higher flexibility, and individual cutter heads can be independently adjusted according to the slope of each section of the sedimentation tank, so that the cutter is better attached to the slope.

The underwater motor 7 is started, one end of the two hole linkage pieces 603 is connected to an output shaft of the underwater motor 7, the other end of the two hole linkage pieces is connected with the first connecting arm 602 and the second connecting arm 604 on the tool rest 6, the two hole linkage pieces 603 are driven by the underwater motor 7 to do circular motion, the first connecting arm 602 and the second connecting arm 604 do linear reciprocating motion, the tool 5 is fixedly connected to the tool rest 6, and the tool 5 also does linear reciprocating motion along with the tool rest.

The curved knives 503 are connected to the cutter, each curved knife 503 is independently connected and can be detached and replaced, and meanwhile, the curved knives 503 can be connected in a seamless mode and can also be uniformly distributed; the curved knives 503 are distributed in a descending order from the end of the sharp knife 501 to the end of the sharp knife, the descending magnification is 0.8, after the underwater motor 7 is started, the knife rest 6 is connected with the knife 5 to do linear reciprocating motion, all the knives on the knife 5 simultaneously operate and cling to the inclined wall of the sedimentation tank 1, and the curved knives 503 arranged on the knife 5 in sequence are used for scraping the sludge on the inclined wall of the sedimentation tank 1; under the condition that the curved knives 503 are uniformly distributed, the linear reciprocating operation path in the scraping process is consistent with the interval between the knives, so that the surface scratched by the knives can cover the slope surface of the whole sedimentation tank 1; under the condition of seamless connection of the curved knives 503, the whole cutter passes through the inclined plane at the bottom of the sedimentation tank 1 without gaps and residues, downward trend and kinetic energy are provided for the cutter by utilizing linear reciprocating operation, and the sludge tightly attached to the slope can be rapidly removed.

The cutters are detachable, so that the cutters can be selected to be connected in a concentrated manner according to specific positions, and the mud scraping device can repeatedly remove mud at a specific position of a sedimentation tank; according to different sludge requirements, the cutter can be replaced by a sharp cutter or a cutter with the same length, the hook shape of the curved cutter 503 can cover the whole area of the slope, the clearing area is increased, and the sludge can quickly fall into a pit at the bottom of the sedimentation tank 1; the sharp knife 501 is symmetrically edged on two sides and can be inserted from the bottom, hardening is broken, and sludge removal effect is improved.

After the underwater motor 7 is started, the rotating motor 401 is started again, so that the working bridge 3 drives the support 2, the tool rest 6 and the tool 5 to do circular motion around the upright post 4, the tool 4 is tightly attached to the bottom slope of the sedimentation tank 3 to do reciprocating linear motion, and after the working bridge 3 rotates for a circle along the sedimentation tank 1, sludge is discharged from the sludge outlet 102, and a circle of sludge collection is completed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures may refer to general designs, and the same embodiment and different embodiments of the present invention may be combined with each other without conflict.

And finally: the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A self-debugging mud scraper comprises a stand column (4), a working bridge (3), a bracket (2), a tool rest (6) and a cutter (5); the method is characterized in that:

the upright post (4) is fixed in a pit in the center of the sedimentation tank (1), and a sludge outlet (102) is arranged on the side surface of the pit; the top end of the upright post (4) is provided with a rotating motor (401);

the rotating motor (401) is rotatably connected with one end of the working bridge (3), the other end of the working bridge (3) is fixedly connected with the traveling wheel (301), and the middle parts of the two ends of the working bridge (3) are welded with the brackets (2);

the top of the support (2) is fixedly welded at the bottom of the working bridge (3), the bottom of the support (2) extends to the bottom of the sedimentation tank (3), a tool rest (6) and a tool (5) are arranged between the support (2) and the bottom of the sedimentation tank (3), two ends of the bottom of the support (2) are provided with connectors (201), a through hole is formed between the two connectors (201), and an underwater motor (7) is arranged on the through hole;

a first connecting arm (602) is arranged at one end, close to the upright post (4), of the tool rest (6), the left end of the first connecting arm (602) is connected with a three-hole linkage piece (601), the right end of the first connecting arm (602) is connected with the left end of a second connecting arm (604), the right end of the first connecting arm (602) and the left end of the second connecting arm (604) are riveted with two-hole linkage pieces (603) together, and the right end of the second connecting arm (604) is connected with another three-hole linkage piece (601); the tool rest (6) is connected with the underwater motor (7) through two hole linkage pieces (603), the tool rest (6) is rotatably connected with connectors (201) at two ends of the bracket (2) through two three hole linkage pieces (601) at two ends, and the tool rest (6) is fixedly connected with a tool (5) through two three hole linkage pieces (601) at two ends;

the utility model discloses a cutting tool, including cutter (5), fixed head (502) respectively with two three hole linkage pieces (601) fixed connection on the knife rest both ends, the one end side fixed connection sharp sword (501) of stand (4) are kept away from in cutter (5), bent sword (503) are connected to sharp sword (501) side, bent sword (503) align to grid distributes between two fixed head (502), bent sword (503) length begins to decrement in proper order from sharp sword (501) end.

2. A self-commissioning mud scraper as defined in claim 1, wherein: the inclination of the bottom of the support (2) is consistent with the inclination of the slope of the sedimentation basin (1), and the support (2) is in a right-angled trapezoid shape.

3. A self-commissioning mud scraper as defined in claim 1, wherein: a track (101) is arranged on a step on the side face of the sedimentation tank (1), the track (101) is concentric with the rotating motor (401), a rotating bead (302) is arranged in the track (101), and the rotating bead (302) is embedded in a hole below the travelling wheel (301).

4. A self-commissioning mud scraper as defined in claim 1, wherein: three hole linkage pieces (601) have two, use connector (201) at support (2) bottom both ends respectively to rotate as the axis of rotation.

5. A self-commissioning mud scraper as defined in claim 1, wherein: an extension shaft (605) is arranged between the left end of the first connecting arm (602) and the three-hole linkage piece (601), and the extension shaft (605) is fixedly connected with the left end of the first connecting arm (602) and is rotatably connected with the three-hole linkage piece (601).

(603) one hole is fixedly connected with the shaft of the underwater motor (7), and the other hole rotates around the circumference of the shaft of the underwater motor (7).

(601) the central large hole is rotatably connected with the connector (201).

8. And the sludge is arranged seamlessly according to the sludge accumulation area.

9. A self-commissioning mud scraper as defined in claim 1, wherein: the descending multiplying power of the curved knife (503) is 0.8-0.9.

10. A self-commissioning mud scraper as defined in claim 1, wherein: the bent knife (503) is perpendicular to the axis of the fixed head (502), the bent knife (503) is axially connected with the cutter (5), and a brushless motor (8) is arranged at the joint.