A tooth rake type sewage cleaning machine for sewage treatment

Abstract

The present application relates to the technical field of sewage treatment equipment, and discloses a tooth rake type garbage cleaning machine for sewage treatment, including a rake tooth chain, a cleaning assembly is provided on the back of the rake tooth chain, and the cleaning assembly includes a rotating shaft, which is mounted on a frame, and the rotating shaft is fixedly connected with a mounting sleeve, and the mounting sleeve corresponds to the number of rows of rake teeth one by one, and the mounting sleeve is fixedly connected with two mounting arms, and the two mounting arms are just on both sides of a row of rake teeth, and the mounting sleeve is hinged with a cleaning arm. When cleaning foreign matter remaining on the rake teeth, the cleaning arm moves along the mounting rod. Since the movement direction of the cleaning arm is consistent with the direction of the rake teeth, the foreign matter adhered to or covered on the rake teeth can be better cleaned, and a better cleaning effect can be achieved. Secondly, the cleaning arm is first inserted into the gap between the two rake teeth, and then contacts the rake teeth. Moreover, since the contact position of the cleaning arm and the rake teeth is inclined, the foreign matter moves outward to avoid excessive foreign matter remaining at the root of the rake teeth.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment equipment, and in particular to a tooth rake type sewage cleaning machine for sewage treatment. Background Art

[0002] The tooth rake type garbage cleaning machine is composed of a unique rake tooth assembly into a set of rotating grille chains. Driven by the motor reducer, the rake tooth chain performs a rotating motion in the opposite direction of the water flow. When the rake tooth chain runs to the upper part of the equipment, due to the guidance of the groove wheel and the curved rail, each set of rake teeth generates a relative self-cleaning motion, and most of the solid matter falls by gravity. The other part relies on the reverse motion of the cleaning brush to clean up the debris stuck on the rake teeth.

[0003] Generally speaking, debris usually adheres to the side of the rake teeth. The cleaning brush is installed on the rotating cylinder. When cleaning the rake teeth, the cleaning brush first moves obliquely toward the rake teeth, and then moves obliquely away from the rake teeth. From the movement process of the cleaning brush, it can be found that when cleaning the debris adhered to the rake teeth, when the cleaning brush contacts the rake teeth, the debris is first pushed to the root of the rake teeth, and then when the cleaning brush moves away from the rake teeth, the debris is taken away. This process will cause some debris to be retained at the root of the cleaning brush, but when the rake teeth enter the water surface, the debris will enter the water, affecting the sewage treatment effect. Summary of the invention

[0004] The present application proposes a tooth rake type sewage cleaning machine for sewage treatment. When cleaning foreign matter remaining on the rake teeth, the cleaning arm moves along the mounting rod, and the cleaning direction is consistent with the direction of the rake teeth, which can better clean the foreign matter adhering to or covering the rake teeth. Secondly, the relative positions of the mounting arm and the cleaning arm and the rake teeth are always consistent, and each cleaning is effective.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: a tooth rake type garbage cleaning machine for sewage treatment, comprising a frame, a guide wheel and a driving wheel are provided on the frame, the driving wheel is connected to a driving motor, the guide wheel and the driving wheel are connected to a rake chain, a cleaning assembly is provided on the back of the rake chain, the cleaning assembly comprises a rotating shaft, the rotating shaft is installed on the frame, the rotating shaft is connected to a driving assembly, the time required for the driving assembly to rotate half a circle by the driving assembly is the same as the time required for the rake chain to move a distance of one tooth pitch, the rotation direction of the cleaning assembly is opposite to the rotation direction of the rake chain, the rotating shaft is fixedly connected to a mounting sleeve, the mounting sleeve corresponds to the number of rows of rake teeth one by one, the mounting sleeve is fixedly connected to two mounting arms, the two mounting arms are exactly on both sides of a row of rake teeth, the mounting sleeve is hinged with a cleaning arm, a side of the cleaning arm in contact with the rake teeth is provided with cleaning hairs, the cleaning hairs can contact the rake teeth, the farthest end of the mounting arm passes the end of the rake teeth, the cleaning arm is bent, and when the cleaning arm contacts the rake chain, the length of the horizontal projection of the cleaning arm is always longer than the height of the rake teeth.

[0006] Furthermore, a limiting protrusion is provided on the rotating shaft, a limiting groove corresponding to the limiting protrusion is provided on the mounting sleeve, two adjacent mounting sleeves are separated by a spacing sleeve, and locking nuts are provided at both ends of the rotating shaft.

[0007] Furthermore, a cleaning sleeve is provided on the cleaning arm, the thickness of the cleaning sleeve gradually increases from the outside to the inside, and the cleaning arm is made of elastic material.

[0008] Furthermore, a spray assembly is installed in the frame, and a spray head is provided on the spray assembly. The spray head corresponds to the installation sleeve one by one, and the spray head sprays water toward the position where the cleaning arm contacts the rake teeth.

[0009] Furthermore, the driving assembly is a linkage assembly connected to the rake tooth chain transmission, the linkage assembly includes two groups of racks, the two groups of racks are respectively located at two ends of the rotating shaft, both ends of the rotating shaft are provided with gears corresponding to the racks, the gears are connected to the rotating shaft transmission through a one-way bearing, the upper end of the rack is fixedly connected to a pressure platform, each rake tooth mounting rod of the rake tooth chain is fixedly connected to a pressing rod, two adjacent pressing rods are respectively located on both sides of the rake tooth chain, the position of the cleaning assembly corresponds to the turning point of the rake tooth chain, the pressing rod can apply pressure to the pressure platform, the pressing rod drives the rotating shaft to rotate half a circle each time, the rack is connected to a reset spring, when the pressing rod is disengaged from the pressure platform, the rack is reset, the rack is connected to a guide member, the guide member enables the gear and the rack to always mesh.

[0010] Furthermore, the end of the pressing rod is movably connected to a pressing wheel, and the pressing rod is in contact with the pressure platform through the pressing wheel.

[0011] Furthermore, the pressing rod is in an "L" shape, has two mounting holes, and is sleeved on the two mounting rods at the same time.

[0012] Furthermore, the guide member is a telescopic cylinder, and the guide member generates resistance when the medium is drawn in.

[0013] Furthermore, two groups of one-way valves are provided on the guide member, and the directions of the two groups of one-way valves are opposite. The one-way inflow one-way valve draws the treated sewage through the water pipe, and the one-way outflow one-way valve is connected to the spray assembly through the water pipe.

[0014] Beneficial effects of the present invention:

[0015] The present application provides a tooth rake type sewage treatment cleaning machine. When cleaning foreign matter remaining on the rake teeth, the cleaning arm moves along the mounting rod. Since the movement direction of the cleaning arm is consistent with the direction of the rake teeth, the foreign matter adhering to or covering the rake teeth can be better cleaned, thereby achieving a better cleaning effect. On the other hand, the cleaning arm is first inserted into the gap between the two rake teeth and then contacts the rake teeth. At the same time, since the contact position between the cleaning arm and the rake teeth is inclined, the foreign matter moves to the outside, thereby avoiding excessive foreign matter remaining at the root of the rake teeth.

[0016] The relative positions of the mounting arm, cleaning arm and rake teeth are always consistent, and every cleaning is an effective cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which constitute a part of the specification, illustrate the embodiments disclosed in the present application and, together with the description, serve to explain the principles of the embodiments disclosed in the present application.

[0018] The embodiments disclosed in the present application may be more clearly understood according to the following detailed description with reference to the accompanying drawings, in which:

[0019] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention;

[0020] Figure 2 This is a positional relationship diagram of the rake chain, the cleaning assembly and the spray assembly in the first embodiment of the present invention;

[0021] Figure 3 is a schematic diagram of a cleaning component in Embodiment 1 of the present invention;

[0022] Figure 4 A top view of the cleaning assembly in Embodiment 1 of the present invention;

[0023] Figure 5 It is a schematic diagram of the second embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the guide member in the third embodiment of the present invention.

[0025] In the figure: 1. frame; 2. guide wheel; 3. driving wheel; 4. rake tooth chain; 5. cleaning assembly; 51. rotating shaft; 52. mounting sleeve; 53. mounting arm; 54. cleaning arm; 55. cleaning sleeve; 56. limiting protrusion; 57. limiting groove; 6. spray assembly; 7. linkage assembly; 71. rack; 72. gear; 73. pressure platform; 74. pressing rod; 75. pressing wheel; 76. guide member. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. Embodiment 1

[0027] See also Figure 1-Figure 2A tooth rake type garbage cleaning machine for sewage treatment includes a frame 1, on which a guide wheel 2 and a driving wheel 3 are arranged, the driving wheel 3 is connected to a driving motor by transmission, the guide wheel 2 is provided with a plurality of groups as needed, the guide wheel 2 and the driving wheel 3 are connected with a rake tooth chain 4, the rake tooth chain 4 is attached to the guide wheel 2 and the driving wheel 3, and a cleaning component 5 is arranged on the back of the rake tooth chain 4, the side along the water flow is the back side, and the side against the water flow direction is the front side.

[0028] See also Figure 3 and Figure 4 The cleaning component 5 includes a rotating shaft 51, which is mounted on the frame 1. Bearings are provided at both ends of the rotating shaft 51. The rotating shaft 51 is connected to a driving component. The driving component can have an independent driving motor or a linkage component, which is linked with the rake chain 4. The time required for the driving component to rotate the cleaning component 5 half a circle is the same as the time required for the rake chain 4 to move a distance of one pitch. The pitch refers to the distance between two adjacent rake mounting rods. The rotation direction of the cleaning component 5 is opposite to that of the rake chain 4. The rotating shaft 51 is fixedly connected to a mounting sleeve 52. The mounting sleeve 52 corresponds to the number of rows of rake teeth one by one. The mounting sleeve 52 is fixedly connected to two mounting arms 53. The two mounting arms 53 are exactly on both sides of a row of rake teeth. The mounting sleeve 52 is hinged with a cleaning arm 54. The side of the cleaning arm 54 in contact with the rake teeth is provided with cleaning hair. The cleaning hair can contact the rake teeth, the farthest end of the mounting arm 53 passes the end of the rake teeth, and the cleaning arm 54 is bent in an approximately "L" shape. When the cleaning arm 54 contacts the rake tooth chain 4, the length of the horizontal projection of the cleaning arm 54 is always longer than the height of the rake teeth. When the cleaning component 5 rotates, the mounting arm 53 is transferred into the rake tooth chain 4, and the cleaning arm 54 contacts the mounting rod of the rake teeth. As the mounting arm 53 continues to rotate, the cleaning arm 54 moves along the mounting rod of the rake teeth, and the long side of the cleaning arm 54 moves along the side of the rake teeth. The long side refers to the side that is not in direct contact with the mounting arm 53. Since the moving direction of the cleaning arm 54 is the same as that of the rake teeth, the debris adhered to or covered on the rake teeth can be "pushed away". Secondly, since the long side of the cleaning arm 54 is inclined when the cleaning arm 54 moves, the debris on the rake teeth can be driven out, so that the debris can be better cleaned.

[0029] A limiting protrusion 56 is provided on the rotating shaft 51, and a limiting groove 57 corresponding to the limiting protrusion 56 is provided on the mounting sleeve 52. After the mounting sleeve 52 is mounted on the rotating shaft 51, as the rotating shaft 51 rotates, two adjacent mounting sleeves 52 are separated by a spacing sleeve, and the spacing sleeve is also provided with a limiting groove 57. Locking nuts are provided at both ends of the rotating shaft 51. Since the rake teeth in two adjacent rows are staggered, the two adjacent mounting arms 53 are also staggered accordingly.

[0030] A cleaning sleeve 55 is sleeved on the cleaning arm 54. When the cleaning sleeve 55 is worn, it can be directly replaced. The thickness of the cleaning sleeve 55 gradually increases from the outside to the inside. The outside refers to the side along the rotation direction. When the cleaning arm 54 moves toward the rake teeth, the thin side approaches the rake teeth first. At this time, the cleaning sleeve 55 is at a large distance from the side of the rake teeth to prevent the cleaning component 5 from directly hitting the rake teeth. As the thickness increases, the pressure between the bristles and the rake teeth increases to ensure the cleaning effect. The cleaning arm 54 is made of elastic material. When the cleaning arm 54 contacts the rake tooth chain 4, it can reduce the buffer and reduce the impact force.

[0031] A spray assembly 6 is also installed in the frame 1. The frame 1 is connected to a water pump. The water pump directly draws water from the back side of the rake chain 4. A spray head is provided on the spray assembly 6. The spray head corresponds to the mounting sleeve 52 one by one. The spray head sprays water toward the position where the cleaning arm 54 contacts the rake teeth to reduce friction and make it easier for debris to fall off. Embodiment 2

[0032] On the basis of the first embodiment, the driving assembly is a linkage assembly 7 which is transmission-connected with the rake chain 4. Figure 5 The linkage assembly 7 includes two sets of racks 71, and the two sets of racks 71 are respectively located at the two ends of the rotating shaft 51. Both ends of the rotating shaft 51 are provided with gears 72 corresponding to the racks 71. The gears 72 are transmission-connected to the rotating shaft 51 through a one-way bearing. The upper end of the rack 71 is fixedly connected to a pressure platform 73. Each rake tooth mounting rod of the rake tooth chain 4 is fixedly connected to a pressing rod 74. Two adjacent pressing rods 74 are respectively located on both sides of the rake tooth chain 4. The position of the cleaning assembly 5 corresponds to the turning point of the rake tooth chain 4. The pressing rod 74 gradually approaches the pressure platform 73 as the rake tooth chain 4 moves. When the pressing rod 74 contacts the pressure platform 73, the pressing rod 74 presses the pressure platform 73 to move, and the pressure platform 73 moves downward to drive the rack 71 to move, thereby The cam 72 is pressed against the engagement of the engagement member 76 with the engagement member 77 and the engagement member 78 is pressed against the engagement member 79. The cam 72 is pressed against the engagement member 79 and the engagement member 79 is pressed against the engagement member 78.

[0033] In order to better contact and disengage with the pressure platform 73 , the end of the pressing rod 74 is movably connected with a pressing wheel 75 , and the pressing rod 74 contacts with the pressure platform 73 through the pressing wheel 75 .

[0034] The pressing rod 74 is in an "L" shape and has two mounting holes. The pressing rod 74 is simultaneously mounted on two mounting rods to prevent the pressing rod 74 from rotating relative to the mounting rods. One side of the pressing rod 74 is always perpendicular to the rake chain 4. When the pressing rod 74 rotates around the driving wheel 3, the vertical displacement of the pressing wheel 75 is greater.

[0035] The guide member 76 is a telescopic cylinder, which generates resistance when the medium is drawn in, so as to prevent excessive impact force from being generated when the return spring on the rack 71 is released. Embodiment 3

[0036] Based on Example 2, please refer to Figure 6 Two groups of one-way valves are provided on the guide member 76, and the directions of the two groups of one-way valves are opposite. The one-way inflow one-way valve draws the treated sewage through the water pipe, and the water intake is located on the back side of the rake chain 4. The one-way outflow one-way valve is connected with the spray assembly 6 through the water pipe. The guide member 76 replaces the water pump to supply water to the spray assembly 6. Since the water pressure provided by the guide member 76 is relatively small, the spray head of the spray assembly 6 should be as close to the rake teeth as possible.

Claims

1. A toothed rake type garbage cleaning machine for sewage treatment, comprising a frame (1), the frame (1) being provided with a guide wheel (2) and a drive wheel (3), the drive wheel (3) being in driving connection with a drive motor, the guide wheel (2) and the drive wheel (3) being connected with a rake tooth chain (4), the back of the rake tooth chain (4) being provided with a cleaning assembly (5), characterized in that: The cleaning component (5) comprises a rotating shaft (51), the rotating shaft (51) being mounted on the frame (1), the rotating shaft (51) being connected to a driving component, the driving component making the cleaning component (5) rotate half a circle in a time which is equal to the time required for the rake tooth chain (4) to move a distance of one tooth pitch, the rotation direction of the cleaning component (5) being opposite to the rotation direction of the rake tooth chain (4), the rotating shaft (51) being fixedly connected to a mounting sleeve (52), the mounting sleeve (52) corresponding to the number of rows of rake teeth one by one, the mounting sleeve (52) is fixedly connected with two mounting arms (53), the two mounting arms (53) are just on both sides of a row of rake teeth, the mounting sleeve (52) is hinged with a cleaning arm (54), the cleaning arm (54) is provided with cleaning hairs on the side in contact with the rake teeth, the cleaning hairs can contact with the rake teeth, the farthest end of the mounting arm (53) passes the end of the rake teeth, the cleaning arm (54) is bent, and when the cleaning arm (54) contacts the rake tooth chain (4), the length of the horizontal projection of the cleaning arm (54) is always longer than the height of the rake teeth; The driving assembly is a linkage assembly (7) that is transmission-connected to the rake tooth chain (4). The linkage assembly (7) comprises two groups of racks (71), the two groups of racks (71) are respectively located at two ends of the rotating shaft (51), and gears (72) corresponding to the racks (71) are provided at both ends of the rotating shaft (51). The gears (72) are transmission-connected to the rotating shaft (51) via a one-way bearing. The upper end of the racks (71) is fixedly connected to a pressure platform (73). Each rake tooth mounting rod of the rake tooth chain (4) is fixedly connected to a pressing rod (74). Two adjacent pressing rods (74) are respectively located on two sides of the rake tooth chain (4). The position of the cleaning assembly (5) corresponds to the turning point of the rake tooth chain (4). The pressing rod (74) can apply pressure to the pressure platform (73). The pressing rod (74) drives the rotating shaft (51) to rotate half a circle each time. The rack (71) is connected to a reset spring. When the pressing rod (74) is separated from the pressure platform (73), the rack (71) is reset. The rack (71) is connected to a guide member (76). The guide member (76) makes the gear (72) and the rack (71) always mesh. The end of the pressing rod (74) is movably connected to a pressing wheel (75). The pressing rod (74) contacts the pressure platform (73) through the pressing wheel (75). The pressing rod (74) is in an "L" shape. The pressing rod (74) has two mounting holes. The pressing rod (74) is simultaneously sleeved on the two mounting rods.

2. The tooth rake type sewage cleaning machine for sewage treatment according to claim 1, characterized in that: The rotating shaft (51) is provided with a limiting protrusion (56), the mounting sleeve (52) is provided with a limiting groove (57) corresponding to the limiting protrusion (56), two adjacent mounting sleeves (52) are separated by a spacing sleeve, and locking nuts are provided at both ends of the rotating shaft (51).

3. The tooth rake type sewage treatment cleaning machine according to claim 1, characterized in that: The cleaning arm (54) is sleeved with a cleaning sleeve (55), the thickness of the cleaning sleeve (55) gradually increases from the outside to the inside, and the cleaning arm (54) is made of elastic material.

4. The tooth rake type sewage cleaning machine for sewage treatment according to claim 1, characterized in that: A spray assembly (6) is also installed in the frame (1). A spray head is provided on the spray assembly (6). The spray head corresponds to the mounting sleeve (52) one by one. The spray head sprays water toward the position where the cleaning arm (54) contacts the rake teeth.

5. The tooth rake type sewage cleaning machine for sewage treatment according to claim 1, characterized in that: The guide member (76) is a telescopic cylinder, and the guide member (76) generates resistance when the medium is drawn in.

6. The tooth rake type sewage cleaning machine for sewage treatment according to claim 5, characterized in that: The guide member (76) is provided with two sets of one-way valves, which are in opposite directions. The one-way inflow one-way valve draws treated sewage through a water pipe, and the one-way outflow one-way valve is connected to the spray assembly (6) through a water pipe.

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