CN212166615U

CN212166615U - Mud scraper

Info

Publication number: CN212166615U
Application number: CN202020042190.4U
Authority: CN
Inventors: 胡大勇; 卢东昱; 张强; 马鹏飞; 马效贤
Original assignee: Beijing Enfi Environmental Protection Technology Co ltd
Current assignee: Beijing Enfi Environmental Protection Technology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-12-18
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a sewage treatment technical field, in particular to mud scraper, include: the bottom of the horizontal moving device is provided with a plurality of rotating shafts; each rotating shaft is fixedly provided with a mud scraper along the axis; the horizontal power device pushes the horizontal moving device to move; the two sides of the horizontal moving device are oppositely provided with racks, the two ends of the rotating shaft are fixedly provided with gears, and the gears are meshed with the racks. The utility model provides a pair of mud scraper, at first press the mud scraper on the mud layer, gear and rack toothing simultaneously, promote the horizontal migration device through horizontal power device and remove, make the gear rotate on the rack, the gear drives the mud scraper and rotates, the mud scraper inserts the mud layer and lifts the mud layer along with the rotation of mud scraper, and then make the mud layer take place the displacement on the horizontal direction, finally play the effect of getting rid of the mud layer, the mud scraper small-scale rotates, avoid being too big to the mud layer disturbance, prevent that water from being muddy once more by the mud layer.

Description

Mud scraper

Technical Field

The utility model relates to a sewage treatment technical field, in particular to mud scraper.

Background

In the sewage treatment process, a common horizontal flow sedimentation tank is a main structure of a pretreatment section or an advanced treatment section, and suspended matters with lower density in water are removed by using the gravity sedimentation after a flocculating agent is added.

At present, the more advection type sedimentation tank and the sludge discharge device which are actually applied have the main structures that: chain plate type mud scrapers and travelling mud scrapers.

However, the existing sludge discharge device uses a sludge discharge pump, and the disturbance to a sludge layer gathered at the bottom of the pool is large.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mud scraper for solve current mud discharging device to the big defect of bottom of the pool mud layer disturbance.

In order to solve the problem that the above-mentioned background art provided, the utility model provides a mud scraper, include: the bottom of the horizontal moving device is uniformly hinged with a plurality of rotating shafts in a direction vertical to the moving direction of the horizontal moving device; each rotating shaft is fixedly provided with a mud scraper along the axis; the power output end of the horizontal power device is fixedly arranged at one end of the horizontal moving device, and the horizontal power device pushes the horizontal moving device to move; the two sides of the horizontal moving device are oppositely provided with racks, the two ends of the rotating shaft are fixedly provided with gears, and the gears are meshed with the racks.

In order to enable the scraper to rotate and move horizontally, the horizontal movement device preferably comprises:

the mud scraper comprises at least two groups of cross support structures which are hinged and overlapped end to form a row, the cross support structures which are hinged and overlapped end to form a row are hinged through a hinge shaft, and a rotating shaft is arranged at the hinged position of the lower ends of the adjacent cross supports;

the fixing frame is arranged at one end, close to the horizontal power device, of the horizontal moving device, a vertical strip hole is formed in the fixing frame, one rod of the cross support is hinged to the fixing frame, and the other rod of the cross support is hinged to the strip hole through a sliding block.

The selected technical scheme is that the positions of the mud scraping plates corresponding to the cross brackets are disconnected.

In order to make the moving line of the horizontal moving device more fixed, the preferable technical proposal is that the gear is a ratchet wheel.

In order to ensure that the horizontal moving device is not easy to derail on the rack, the preferable technical scheme is that the two ends of the rotating shaft are fixedly provided with limiting plates, the limiting plates are fixedly arranged on any one side of the gear, and the diameter of each limiting plate is larger than that of the gear and smaller than the height of the shaft center of the rotating shaft from the lowest end of the rack.

In order to improve the mud scraping efficiency, the preferable technical scheme is that the two mud scraping plates are oppositely arranged on the rotating shaft.

In order to prevent the mud scrapers on the adjacent rotating shafts from interfering with each other, the preferable technical scheme is that the distance between the adjacent rotating shafts is greater than the sum of the widths of the two mud scrapers.

In order to improve the mud scraping efficiency, the mud scraping plate is preferably arranged in a transversely bent mode.

Preferably, the horizontal power device comprises:

two hydraulic cylinders are respectively and fixedly arranged on the fixing frame on the outermost side of the horizontal moving device, telescopic rods of the hydraulic cylinders are hinged with hinged joints at the upper end or the lower end of the cross bracket, and the two hydraulic cylinders are respectively arranged on two sides of the horizontal moving device;

and the hydraulic station is connected with the hydraulic cylinder through an oil pipe.

The utility model has the advantages that:

the utility model provides a pair of mud scraper, at first press the mud scraper on the mud layer, gear and rack toothing simultaneously, promote the horizontal migration device through horizontal power device and remove, make the gear rotate on the rack, the gear drives the mud scraper and rotates, the mud scraper inserts the mud layer and lifts the mud layer along with the rotation of mud scraper, the mud layer that the mud scraper will lift is put down towards the direction of motion of horizontal migration device, and then make the mud layer take place the displacement on the horizontal direction, finally play the effect of getting rid of the mud layer, the mud scraper minizone rotates, avoid disturbing too big to the mud layer, prevent that water from being stirred once more by the mud layer.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

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 one of the side views of the present invention;

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

fig. 3 is a top view of the present invention;

fig. 4 is a schematic side view of the middle scraper 12 of the present invention;

fig. 5 is a second schematic side view of the scraper 12 of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 1;

FIG. 7 is an enlarged view of a portion of FIG. 1 at B;

wherein, 10-a horizontal movement device; 11-a rotating shaft; 12-a mud scraper; 13-a rack; 14-a gear; 15-a cross-brace; 16-a fixing frame; 17-elongated holes; 18-a slide block; 19-a limiting plate; 20-a horizontal power plant; 21-a hydraulic cylinder; 22-a hydraulic station; 30-a sedimentation tank; 31-sludge bucket; 32-water inlet pipe; 33-a water outlet pipe; 34-a water baffle; 35-a sludge discharge pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-7, the utility model provides a mud scraper, include: the bottom of the horizontal moving device 10 is uniformly hinged with a plurality of rotating shafts 11 vertical to the moving direction of the horizontal moving device 10; the mud scrapers 12 are fixedly arranged on each rotating shaft 11 along the axis, as shown in fig. 4, in order to improve the mud scraping efficiency, the preferable technical scheme is that two mud scrapers 12 are oppositely arranged on the rotating shafts 11, in order to prevent the mutual interference between the mud scrapers 12 on the adjacent rotating shafts 11, the preferable technical scheme is that the distance between the adjacent rotating shafts 11 is greater than the sum of the widths of the two mud scrapers 12, as shown in fig. 5, in order to improve the mud scraping efficiency, the preferable technical scheme is that the mud scrapers 12 are transversely bent; the power output end of the horizontal power device 20 is fixedly arranged at one end of the horizontal moving device 10, and the horizontal power device 20 pushes the horizontal moving device 10 to move; two sides of the horizontal moving device 10 are oppositely provided with racks 13, two ends of the rotating shaft 11 are fixedly provided with gears 14, the gears 14 are meshed with the racks 13, and the gears 14 are ratchet wheels.

The working principle and the technical effect of the technical scheme are as follows:

the utility model provides a mud scraper, at first press the mud scraper 12 on the mud layer, gear 14 and rack 13 meshing simultaneously, promote horizontal migration device 10 through horizontal power device 20 and remove, make gear 14 rotate on rack 13, gear 14 drives mud scraper 12 and rotates, mud scraper 12 inserts the mud layer and lifts the mud layer along with the rotation of mud scraper 12, mud scraper 12 puts down the mud layer that lifts towards the direction of motion of horizontal migration device 10, and then makes the mud layer take place the displacement in the horizontal direction, finally play the effect of getting rid of the mud layer, mud scraper 12 rotates for a short time, avoid disturbing too big to the mud layer, prevent that water from being stirred by the mud layer once more; in the rotation process of the mud scrapers 12, the mud scrapers 12 are oppositely arranged on the rotating shaft 11, so that the mud scrapers 12 lift a mud layer twice in each rotation of the rotating shaft 11, the mud scraping efficiency is improved, the mud scraping workflow time is reduced, the distance between the adjacent rotating shafts 11 is greater than the sum of the widths of the two mud scrapers 12, mutual interference between the mud scrapers 12 on the adjacent rotating shafts 11 in the rotation process is prevented, the mud scrapers 12 are transversely and flexibly arranged, the mud scrapers 12 are more easily inserted into the mud layer in the rotation process of the rotating shaft 11, and when the mud scrapers 12 lift the mud layer, the curved mud scrapers 12 are more easily lift the mud layer, and the mud scraping efficiency is improved; because the gear 14 is a ratchet, when the horizontal moving device 10 finishes moving towards one direction, the mud scraping plate 12 moves the mud layer forwards, and when the horizontal moving device 10 moves towards the other direction, the mud scraping plate 12 is not driven by the rotating shaft 11, so that the mud scraping plate 12 is horizontally arranged, the mud is prevented from being brought back by the horizontal moving device 10 moving towards the other direction, and the mud scraping efficiency is further improved.

As shown in fig. 1, 2 and 3, in order to enable the scraper 12 to rotate and move horizontally, a preferred embodiment is that the horizontal movement device 10 includes:

the mud scraper comprises a plurality of cross supports 15, wherein the cross supports 15 are hinged and overlapped end to form a row, the mud scraper comprises at least two groups of cross support 15 structures which are hinged and overlapped end to form a row, the cross support 15 structures which are hinged and overlapped end to form a row are hinged through a hinge shaft, a rotating shaft 11 is arranged at the hinged position of the lower end of the adjacent cross support 15, the mud scraper 12 is arranged at the position corresponding to the cross support 15 in a breaking mode, and the cross support 15 is prevented from preventing the mud scraper 12 from rotating;

the fixing frame 16 is arranged at one end of the horizontal moving device 10 close to the horizontal power device 20, a vertical long hole 17 is arranged on the fixing frame 16, one rod of the cross support 15 is hinged with the fixing frame 16, and the other rod of the cross support 15 is hinged with the long hole 17 through a sliding block 18.

Preferably, the horizontal power unit 20 includes:

two hydraulic cylinders 21 are respectively and fixedly arranged on the fixing frame 16 at the outermost side of the horizontal moving device 10, telescopic rods of the hydraulic cylinders 21 are hinged with hinged points at the upper end or the lower end of the cross bracket 15, and the two hydraulic cylinders 21 are respectively arranged at two sides of the horizontal moving device 10;

and the hydraulic station 22 is connected with the hydraulic cylinder 21 through an oil pipe.

The mud scraper is arranged in the sedimentation tank 30, the horizontal moving device 10 moves in the length direction of the sedimentation tank 30, the fixing frame 16 is fixedly arranged at one end of the sedimentation tank 30 in the length direction, the racks 13 are fixedly arranged on two side walls of the sedimentation tank 30 in the length direction, the hydraulic station 22 is fixedly arranged at the upper end of the sedimentation tank 30, the sludge hopper 31 is arranged at one end of the bottom of the sedimentation tank 30 close to the fixing frame 16, the ratchet wheel rotates towards the direction of the sludge hopper 31, the water inlet pipe 32 is arranged at one end of the upper part of the sedimentation tank 30 close to the sludge hopper 31, the water outlet pipe 33 is arranged at one end of the upper part of the sedimentation tank 30 far away from the sludge hopper 31, the L-shaped water baffle 34 is arranged on the side wall of the sedimentation tank 30 corresponding to the water outlet pipe 33, the water inlet pipe 32 and the water outlet pipe 33 are arranged along the length direction of the sedimentation tank 30, the mud discharge pipe 35 is arranged at, the liquid and sludge inside the settling tank 30 are circulated, and finally the sludge is discharged from the sludge discharge pipe 35.

The width and depth of the sedimentation tank 30 ensure that the water is distributed uniformly along the cross section of the tank, and suspended matters are added with drugs and flocculated to sink to the bottom of the tank while slowly and stably flowing through the tank according to the designed flow rate. The mud scraper is arranged at the bottom of the sedimentation tank 30, the sludge hopper 31 is arranged at one end, close to the fixed frame 16, of the sedimentation tank 30, the sludge discharge pipe 35 is arranged at the bottom of the sludge hopper 31, mud is discharged by utilizing hydrostatic pressure, each rotary mud scraper 12 pushes the mud layer gathered at the bottom of the tank to the sludge hopper 31 in a relay mode, mud scraping and discharging efficiency is high, the whole operation of the equipment is stable, and the water in the sedimentation tank 30 is prevented from being too turbid.

pneumatic cylinder 21 stretches out, expand cross braces 15, because a plurality of cross braces 15 are articulated from head to tail and are overlapped and form, slider 18 on the cross braces 15 slides in rectangular hole 17, make cross braces 15 wholly expand, at least two sets of articulated overlap of head and tail form a cross braces 15 structure of a row make horizontal migration device 10 remove more stably, the position disconnection setting that mud scraper 12 corresponds cross braces 15, make pivot 11 wholly set up mud scraper 12, the mud scraping width is wideer, mud scraper 12 that the disconnection set up prevents cross braces 15 from stopping pivot 11 to rotate.

In order to prevent the horizontal moving device 10 from derailing on the rack 13, the preferable technical scheme is that limiting plates 19 are fixedly arranged at two ends of the rotating shaft 11, the limiting plates 19 are fixedly arranged at any side of the gear 14, and the diameter of each limiting plate 19 is larger than that of the gear 14 and smaller than the height of the axle center of the rotating shaft 11 from the lowest end of the rack 13.

in the process that horizontal migration device 10 removed, gear 14 meshing rotation on rack 13, limiting plate 19 diameter is greater than gear 14 diameter and is less than the height of 11 axle centers of pivot from rack 13 bottom, and when the track of horizontal migration device 10 skew rack 13, limiting plate 19 card is at the rack 13 lateral wall, prevents the track of horizontal migration device 10 skew rack 13, makes gear 14 be difficult to break away from rack 13, and horizontal migration device 10 motion is more stable, improves and scrapes mud efficiency.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A mud scraper, comprising:

the bottom of the horizontal moving device (10) is uniformly hinged with a plurality of rotating shafts (11) in a direction vertical to the moving direction of the horizontal moving device (10);

each rotating shaft (11) is fixedly provided with a mud scraper (12) along the axis;

the power output end of the horizontal power device (20) is fixedly arranged at one end of the horizontal moving device (10), and the horizontal power device (20) pushes the horizontal moving device (10) to move;

racks (13) are oppositely arranged on two sides of the horizontal moving device (10), gears (14) are fixedly arranged at two ends of the rotating shaft (11), and the gears (14) are meshed with the racks (13).

2. A mud scraper according to claim 1, characterized in that said horizontal movement means (10) comprise:

the mud scraper comprises a plurality of cross supports (15), wherein the cross supports (15) are hinged and overlapped end to form a row, the mud scraper comprises at least two groups of cross support (15) structures which are hinged and overlapped end to form a row, the cross support (15) structures which are hinged and overlapped end to form a row are hinged through a hinge shaft, and a rotating shaft (11) is arranged at the hinged position of the lower ends of the adjacent cross supports (15);

the fixing frame (16) is arranged at one end, close to the horizontal power device (20), of the horizontal moving device (10), a vertical long hole (17) is formed in the fixing frame (16), one rod of the cross support (15) is hinged to the fixing frame (16), and the other rod of the cross support (15) is hinged to the long hole (17) through a sliding block (18).

3. A mud scraper according to claim 2, characterized in that the scraper bar (12) is broken in correspondence with the position of the cross brackets (15).

4. A mud scraper according to claim 1, characterized in that the gear wheel (14) is a ratchet wheel.

5. The mud scraper according to claim 1, wherein the two ends of the rotating shaft (11) are fixedly provided with limiting plates (19), the limiting plates (19) are fixedly arranged on any side of the gear (14), and the diameter of each limiting plate (19) is larger than that of the gear (14) and smaller than the height of the axle center of the rotating shaft (11) from the lowest end of the rack (13).

6. A mud scraper according to claim 1, characterized in that the scraper bars (12) are two and are arranged opposite each other on the shaft (11).

7. A mud scraper according to claim 2, characterized in that the distance between adjacent shafts (11) is greater than the sum of the widths of the two scraper bars (12).

8. A mud scraper according to claim 2, characterized in that the scraper blade (12) is arranged laterally curved.

9. A mud scraper according to claim 1, wherein the horizontal power means (20) comprises:

two hydraulic cylinders (21) are respectively and fixedly arranged on a fixing frame (16) on the outermost side of the horizontal moving device (10), telescopic rods of the hydraulic cylinders (21) are hinged with hinged points of the upper end or the lower end of the cross bracket (15), and the two hydraulic cylinders (21) are respectively arranged on two sides of the horizontal moving device (10);

and the hydraulic station (22) is connected with the hydraulic cylinder (21) through an oil pipe.