Dead-angle-free mud scraper for sewage treatment

Abstract

The utility model provides a dead-corner-free mud scraper for sewage treatment, which relates to the technical field of mud scrapers and comprises a support, a driving motor is fixedly connected to the upper surface of the support, a rotating shaft is fixedly connected to the output end of the driving motor, and a mud scraping plate is fixedly connected to the bottom of the rotating shaft. A cleaning device is arranged on the upper surface of the mud scraping plate and comprises two symmetrical fixing plates, the two fixing plates are fixedly connected to the upper surface of the mud scraping plate, a servo motor is fixedly connected to the surface of one of the fixing plates, a reserved hole is formed in the arc surface of a rotating shaft, and the rotating shaft is fixedly connected with the servo motor. The output end of the servo motor is fixedly connected with a screw rod, the screw rod penetrates through the preformed hole, the effect of cleaning sludge on the two sides of the sludge scraping plate is achieved through the cleaning device, and the situation that the sludge adheres to the sludge scraping plate, and consequently the sludge scraping plate cannot be used normally is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mud scrapers, in particular to a mud scraper without dead angles for sewage treatment. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. During the purification process, floating matter, suspended matter, colloid and other debris in the sewage are usually removed and filtered first, and finally the sand and mud settled at the bottom of the sewage pool are cleaned. The scraper is a commonly used mechanical equipment in sewage treatment, which is used to remove the sludge settled at the bottom of the sludge pool.

[0003] In the prior art, when the scraper is in use, the scraper blade runs for a long time, and the surface of the scraper blade is easily covered with mud. Since the scraper blade on the scraper is mostly fixedly installed in the sewage pool, it is inconvenient for the staff to clean the scraper blade. Utility Model Content

[0004] The utility model is to solve the shortcomings in the prior art and provides a dead angle free mud scraper for sewage treatment.

[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical solutions: a dead angle free scraper for sewage treatment, comprising a bracket, the upper surface of the bracket is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a rotating shaft, the bottom of the rotating shaft is fixedly connected to a scraper plate, the upper surface of the scraper plate is provided with a cleaning device, the cleaning device comprises two mutually symmetrical fixing plates, the two fixing plates are fixedly connected to the upper surface of the scraper plate, the surface of one of the fixing plates is fixedly connected to a servo motor, the arc surface of the rotating shaft is provided with a reserved hole, the output end of the servo motor is fixedly connected to a screw, the screw passes through the reserved hole, the arc surface of the screw is provided with two mutually symmetrical reverse threads, the arc surface of the screw is threadedly connected to two mutually symmetrical cleaning blocks, the cross-section of the cleaning block is in a "U" shape, and the two arms of the cleaning block are in contact with the two sides of the scraper plate.

[0006] The effect achieved by the above components is: when it is necessary to clean the sludge in the sewage pool, turn on the driving motor on the bracket, the driving motor drives the rotating shaft to rotate, and the scraper on the rotating shaft cleans the bottom of the sewage pool. After cleaning, turn on the servo motor on the fixed plate, the servo motor drives the screw to rotate, and the two cleaning blocks on the screw move, and the two arms of the cleaning blocks clean the sludge on both sides of the scraper. The cleaning device can achieve the effect of cleaning the sludge on both sides of the scraper, avoiding the sludge sticking to the scraper, which causes the scraper to fail to use normally.

[0007] Preferably, two mutually symmetrical sliding blocks are fixedly connected to the bottom of the cleaning block, and sliding grooves are provided at positions of the scraper blade corresponding to the sliding blocks, and the size of the sliding grooves is adapted to the size of the sliding blocks.

[0008] The effect achieved by the above components is: by moving the slider in the slide groove, the moving direction of the cleaning block is restricted, the cleaning block is prevented from rotating, and the stability of the movement of the cleaning block is improved.

[0009] Preferably, both arms of the cleaning block are fixedly connected with two mutually symmetrical triangular blocks, and the inclined surfaces of the two triangular blocks are far away from each other.

[0010] The effect achieved by the above components is: by arranging the triangular block, the cleaning block is facilitated to clean the sludge on the scraper plate, thereby improving the practicability of the cleaning block.

[0011] Preferably, a bearing is provided at one end of the screw rod away from the servo motor, an outer ring of the bearing is fixedly connected to one of the fixing plates, and an inner ring of the bearing is fixedly connected to the screw rod.

[0012] The effects achieved by the above components are: the stability of the screw rotation is improved by setting the bearing, and the screw is prevented from shaking.

[0013] Preferably, auxiliary devices are provided at both ends of the scraper blade, and the auxiliary devices include two mounting plates, which are respectively fixedly connected to the two ends of the scraper blade, and a spring is fixedly connected to one end of the spring away from the scraper blade.

[0014] The effect achieved by the above components is: when the scraper plate rotates, the scraper plate rotates with the cleaning plate and the mounting plate, and the return force of the spring makes the cleaning plate fit the inner wall of the sewage pool as much as possible, thereby achieving the effect of cleaning the inner wall of the sewage pool side, making the effect of cleaning the sewage pool more obvious.

[0015] Preferably, two mutually symmetrical limiting rods are slidably inserted on the surface of the mounting plate, and one end of the limiting rod is fixedly connected to the cleaning plate.

[0016] The effect achieved by the above components is: by setting the limit rod, the moving direction of the cleaning plate is limited, the rotation between the cleaning plate and the mounting plate is avoided, and the stability of the movement of the cleaning plate is improved.

[0017] Preferably, one end of the mounting plate is fixedly connected to an inclined rod, one end of the inclined rod away from the mounting plate is fixedly connected to a U-shaped frame, and the U-shaped frame is fixedly connected to the scraper blade.

[0018] The effects achieved by the above components are: a stable triangular structure is formed by the inclined rod, the U-shaped frame, the mounting plate and the scraper plate, thereby improving the stability of the mounting plate and preventing the mounting plate from shaking.

[0019] Preferably, a shovel plate is fixedly connected to one side of the cleaning plate, and the cross-section of the shovel plate is triangular.

[0020] The effect achieved by the above components is: by setting the shovel plate, it is convenient for the cleaning plate to shovel off the sludge inside the sewage pool, thereby improving the cleaning effect of the cleaning plate.

[0021] In summary, the beneficial effects of the utility model are:

[0022] When it is necessary to clean the sludge in the sewage pool, turn on the driving motor on the bracket, the driving motor drives the rotating shaft to rotate, and the scraper on the rotating shaft cleans the bottom of the sewage pool. After cleaning, turn on the servo motor on the fixed plate, the servo motor drives the screw to rotate, and the two cleaning blocks on the screw move, and the two arms of the cleaning block clean the sludge on both sides of the scraper. The cleaning device can achieve the effect of cleaning the sludge on both sides of the scraper, avoiding the sludge sticking to the scraper, which makes the scraper unable to be used normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the cleaning device of the utility model;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the cleaning block of the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the auxiliary device of the utility model;

[0027] Figure 5 For this utility model Figure 4 Enlarged view of point A.

[0028] Legend: 1. Bracket; 2. Driving motor; 3. Rotating shaft; 4. Scraper; 5. Cleaning device; 51. Fixed plate; 52. Servo motor; 53. Cleaning block; 54. Triangular block; 55. Slider; 56. Slide; 57. Bearing; 58. Screw; 6. Auxiliary device; 61. Mounting plate; 62. Spring; 63. Cleaning plate; 64. Shovel plate; 65. Limit rod; 66. Diagonal rod; 67. U-shaped frame. DETAILED DESCRIPTION

[0029] Reference Figure 1-5As shown, this embodiment discloses a dead angle-free scraper for sewage treatment, including a bracket 1, a driving motor 2 is fixedly connected to the upper surface of the bracket 1, a rotating shaft 3 is fixedly connected to the output end of the driving motor 2, a scraper plate 4 is fixedly connected to the bottom of the rotating shaft 3, a cleaning device 5 is provided on the upper surface of the scraper plate 4, and auxiliary devices 6 are provided at both ends of the scraper plate 4.

[0030] Reference Figure 1-5 As shown, the cleaning device 5 includes two symmetrical fixing plates 51, and the two fixing plates 51 are fixedly connected to the upper surface of the scraper blade 4. A servo motor 52 is fixedly connected to the surface of one of the fixing plates 51. A reserved hole is provided on the arc surface of the rotating shaft 3. A screw 58 is fixedly connected to the output end of the servo motor 52. The screw 58 passes through the reserved hole. The arc surface of the screw 58 is provided with two symmetrical reverse threads. The arc surface of the screw 58 is threadedly connected to two symmetrical cleaning blocks 53. The cross-section of the cleaning block 53 is "U"-shaped, and the two arms of the cleaning block 53 fit the two sides of the scraper blade 4. When it is necessary to clean the sludge in the sewage pool, turn on the driving motor 2 on the bracket 1, the driving motor 2 drives the rotating shaft 3 to rotate, and the scraper 4 on the rotating shaft 3 cleans the bottom of the sewage pool. After cleaning, turn on the servo motor 52 on the fixed plate 51, the servo motor 52 drives the screw 58 to rotate, and the two cleaning blocks 53 on the screw 58 move, and the two arms of the cleaning block 53 clean the sludge on both sides of the scraper 4. The cleaning device 5 achieves the effect of cleaning the sludge on both sides of the scraper 4, avoiding the sludge from sticking to the scraper 4, which causes the scraper 4 to fail to be used normally.

[0031] Reference Figure 1-5 As shown, the bottom of the cleaning block 53 is fixedly connected with two symmetrical sliders 55, and the scraper 4 is provided with a slide groove 56 corresponding to the slider 55, and the size of the slide groove 56 is adapted to the size of the slider 55. By the slider 55 moving in the slide groove 56, the moving direction of the cleaning block 53 is limited, the cleaning block 53 is prevented from rotating, and the stability of the movement of the cleaning block 53 is improved. The two arms of the cleaning block 53 are fixedly connected with two symmetrical triangular blocks 54, and the inclined surfaces of the two triangular blocks 54 are far away from each other. By setting the triangular blocks 54, the cleaning block 53 is convenient to clean the sludge on the scraper 4, and the practicality of the cleaning block 53 is improved. A bearing 57 is provided at one end of the screw 58 away from the servo motor 52, the outer ring of the bearing 57 is fixedly connected to one of the fixed plates 51, and the inner ring of the bearing 57 is fixedly connected to the screw 58. The bearing 57 is provided to improve the stability of the rotation of the screw 58 and prevent the screw 58 from shaking.

[0032] Reference Figure 1-5As shown, the auxiliary device 6 includes two mounting plates 61, which are fixedly connected to the two ends of the scraper blade 4, respectively. A spring 62 is fixedly connected to the side of the mounting plate 61 away from the scraper blade 4, and a cleaning plate 63 is fixedly connected to one end of the spring 62. When the scraper blade 4 rotates, the scraper blade 4 rotates with the cleaning plate 63 and the mounting plate 61, and the restoring elastic force of the spring 62 makes the cleaning plate 63 fit the inner wall of the sewage pool as much as possible, so as to achieve the effect of cleaning the inner wall of the side of the sewage pool, making the effect of cleaning the sewage pool more obvious.

[0033] Reference Figure 1-5 As shown, two mutually symmetrical limiting rods 65 are slidably inserted on the surface of the mounting plate 61, and one end of the limiting rod 65 is fixedly connected to the cleaning plate 63. By setting the limiting rod 65, the effect of limiting the moving direction of the cleaning plate 63 is achieved, so as to avoid the rotation between the cleaning plate 63 and the mounting plate 61, and improve the stability of the movement of the cleaning plate 63. An inclined rod 66 is fixedly connected to one end of the mounting plate 61, and a U-shaped frame 67 is fixedly connected to the end of the inclined rod 66 away from the mounting plate 61, and the U-shaped frame 67 is fixedly connected to the scraper plate 4. A stable triangular structure is formed by the inclined rod 66, the U-shaped frame 67, the mounting plate 61 and the scraper plate 4, thereby improving the stability of the mounting plate 61 and avoiding the shaking of the mounting plate 61. A shovel plate 64 is fixedly connected to one side of the cleaning plate 63, and the cross section of the shovel plate 64 is triangular. By setting the shovel plate 64, the effect of facilitating the cleaning plate 63 to shovel off the sludge inside the sewage pool is achieved, and the cleaning effect of the cleaning plate 63 is improved.

[0034] Working principle: When it is necessary to clean the sludge in the sewage pool, turn on the driving motor 2 on the bracket 1, the driving motor 2 drives the rotating shaft 3 to rotate, and the scraper 4 on the rotating shaft 3 cleans the bottom of the sewage pool. At this time, the scraper 4 drives the cleaning plate 63 and the mounting plate 61 to rotate, and the reset elastic force of the spring 62 makes the cleaning plate 63 fit the inner wall of the sewage pool as much as possible. The cleaning plate 63 uses the shovel plate 64 to clean the inner wall of the side of the sewage pool, making the cleaning effect of the sewage pool more obvious. The inclined rod 66, the U-shaped frame 67, the mounting plate 61 and the scraper 4 form a stable The fixed triangular structure improves the stability of the mounting plate 61. After cleaning, the servo motor 52 on the fixed plate 51 is turned on, and the servo motor 52 rotates the screw 58. The bearing 57 at one end of the screw 58 improves the rotation stability of the screw 58. The two cleaning blocks 53 on the screw 58 move, and the two arms of the cleaning block 53 use the triangular block 54 to clean the sludge on both sides of the scraper 4. The cleaning device 5 achieves the effect of cleaning the sludge on both sides of the scraper 4, avoiding the sludge from sticking to the scraper 4, which causes the scraper 4 to fail to be used normally.

Claims

1. A dead angle free mud scraper for sewage treatment, comprising a bracket (1), characterized in that: The upper surface of the bracket (1) is fixedly connected to a driving motor (2), the output end of the driving motor (2) is fixedly connected to a rotating shaft (3), the bottom of the rotating shaft (3) is fixedly connected to a scraper (4), the upper surface of the scraper (4) is provided with a cleaning device (5), the cleaning device (5) comprises two mutually symmetrical fixing plates (51), the two fixing plates (51) are fixedly connected to the upper surface of the scraper (4), the surface of one of the fixing plates (51) is fixedly connected to a servo motor The motor (52) is provided with a reserved hole on the arc surface of the rotating shaft (3); the output end of the servo motor (52) is fixedly connected with a screw rod (58); the screw rod (58) passes through the reserved hole; the arc surface of the screw rod (58) is provided with two mutually symmetrical reverse threads; the arc surface of the screw rod (58) is threadedly connected with two mutually symmetrical cleaning blocks (53); the cross section of the cleaning block (53) is in a "U" shape; the two arms of the cleaning block (53) are in contact with the two sides of the scraper (4).

2. The non-dead-angle scraper for sewage treatment according to claim 1, characterized in that: Two mutually symmetrical sliding blocks (55) are fixedly connected to the bottom of the cleaning block (53); a sliding groove (56) is provided on the scraper (4) corresponding to the sliding blocks (55); and the size of the sliding groove (56) is adapted to the size of the sliding blocks (55).

3. The non-dead-angle scraper for sewage treatment according to claim 1, characterized in that: Both arms of the cleaning block (53) are fixedly connected to two mutually symmetrical triangular blocks (54), and the inclined surfaces of the two triangular blocks (54) are away from each other.

4. The non-dead-angle scraper for sewage treatment according to claim 1, characterized in that: A bearing (57) is provided at one end of the screw rod (58) away from the servo motor (52); the outer ring of the bearing (57) is fixedly connected to one of the fixed plates (51); and the inner ring of the bearing (57) is fixedly connected to the screw rod (58).

5. The non-dead-angle scraper for sewage treatment according to claim 1, characterized in that: Auxiliary devices (6) are provided at both ends of the scraper (4), and the auxiliary device (6) comprises two mounting plates (61). The two mounting plates (61) are respectively fixedly connected to the two ends of the scraper (4), and a spring (62) is fixedly connected to one side of the mounting plate (61) away from the scraper (4), and one end of the spring (62) is fixedly connected to a cleaning plate (63).

6. The non-dead-angle scraper for sewage treatment according to claim 5, characterized in that: Two mutually symmetrical limiting rods (65) are slidably inserted on the surface of the mounting plate (61), and one end of the limiting rod (65) is fixedly connected to the cleaning plate (63).

7. The non-dead-angle scraper for sewage treatment according to claim 5, characterized in that: One end of the mounting plate (61) is fixedly connected to an inclined rod (66), and one end of the inclined rod (66) away from the mounting plate (61) is fixedly connected to a U-shaped frame (67), and the U-shaped frame (67) is fixedly connected to the scraper plate (4).

8. The non-dead-angle scraper for sewage treatment according to claim 5, characterized in that: A shovel plate (64) is fixedly connected to one side of the cleaning plate (63), and the cross section of the shovel plate (64) is triangular.

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