A water supply and drainage dredging device

Abstract

This invention discloses a water supply and drainage dredging device, relating to the field of dredging equipment. It includes a frame with two conveying rollers rotatably mounted on it. A common conveying filter belt is fitted around the two conveying rollers. One side of one conveying roller is connected to a rotary drive component A for driving it to rotate around its own axis. One end of the conveying filter belt is defined as the conveying front end, and the other end as the conveying rear end. The device also includes a squeezing roller, positioned on top of the conveying filter belt and used to squeeze the sludge in conjunction with the conveying filter belt; and a positioning roller, installed at the bottom of the squeezing roller and located inside the conveying filter belt. This water supply and drainage dredging device, through an overload prevention mechanism, can drive the squeezing roller to move upwards in a direction perpendicular to the upper surface of the conveying belt when the amount of sludge is too large, causing excessive squeezing force on the conveyor belt. This reduces or eliminates excessive squeezing force, effectively protecting the conveyor belt from damage and extending its service life.

Description

Technical Field

[0001] This invention relates to dredging equipment technology, specifically to a water supply and drainage dredging equipment. Background Technology

[0002] During the dredging process of water supply and drainage systems, it is usually necessary to extract the sludge from the system and dewater it by squeezing it to facilitate subsequent transportation and treatment. Most existing sludge squeezing and dewatering devices use a conveyor belt in conjunction with pressure rollers for squeezing and filtration. That is, the sludge is directly drawn onto the filter belt of the conveyor, and the sludge is squeezed by the cooperation of the pressure rollers and the conveyor belt to filter out the water from the sludge.

[0003] However, in actual use, this traditional sludge extrusion and dewatering device has some problems. In particular, when the sludge being processed is relatively dense, or when a large amount of sludge enters the conveyor belt at one time, the sludge is prone to accumulate at the pressure roller. This accumulation not only affects the filtration efficiency, but may also cause the pressure roller to exert excessive pressure on the conveyor belt due to the large amount of sludge. Working under excessive pressure for a long time can easily damage the conveyor belt, thereby reducing its service life and increasing the maintenance and replacement costs of the equipment. Summary of the Invention

[0004] The purpose of this invention is to provide a drainage dredging device to solve the problems of existing sludge squeezing and dewatering devices where the sludge is relatively dense or the amount of sludge entering the conveyor belt at one time is large. In such cases, the sludge tends to accumulate at the pressure rollers, affecting the filtration efficiency. Furthermore, the excessive amount of sludge can cause the pressure rollers to exert excessive pressure on the conveyor belt, leading to the conveyor belt being easily damaged when working under excessive pressure for a long time.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a water supply and drainage dredging device, comprising a frame, on which two conveying rollers are rotatably mounted, and the same conveying filter belt is sleeved on the outside of the two conveying rollers. One side of one of the conveying rollers is connected to a rotary drive component A for driving it to rotate around its own axis. One end of the conveying filter belt is defined as the conveying front end, and the other end of the conveying filter belt is defined as the conveying rear end. The device also includes:

[0006] The extrusion roller is located at the top of the conveyor belt and is used to extrude sludge in conjunction with the conveyor belt.

[0007] The positioning roller is installed at the bottom of the extrusion roller and is located inside the conveyor filter belt;

[0008] A rotary drive mechanism, one side of which is connected to the extrusion roller, is used to drive the extrusion roller to rotate around its own axis;

[0009] Multiple support rollers are arranged inside the conveyor filter belt to support the conveyor filter belt;

[0010] An overload protection mechanism is installed at both ends of the extrusion roller. The overload protection mechanism is used to drive the extrusion roller to move in a direction perpendicular to the upper surface of the conveyor filter belt.

[0011] An auxiliary mechanism is used to drive multiple carrier rollers to move up and down in a direction perpendicular to the upper surface of the conveyor filter belt;

[0012] The triggering mechanism is located at the bottom of the extrusion roller. The triggering mechanism includes a trigger plate, which is located between a support roller and a positioning roller near the positioning roller. The trigger plate can move to a preset position in a direction perpendicular to the upper surface of the conveyor filter belt. When the trigger plate moves to the preset position, the overload prevention mechanism drives the extrusion roller to move upward in a direction perpendicular to the upper surface of the conveyor filter belt, and the auxiliary mechanism drives multiple support rollers to move up and down.

[0013] Furthermore, the rotary drive mechanism includes two sets of rotary drive components symmetrically arranged at both ends of the extrusion roller. The rotary drive components include gear A, gear B, gear C, gear D, rotary drive component B, connecting rod A, connecting rod B, and a transmission shaft. Gear A is fixedly sleeved on the outside of one end of the extrusion roller. One side of gear A meshes with gear B, one side of gear B meshes with gear C, and one side of gear C meshes with gear D. Gear D is fixedly sleeved on the output shaft end of rotary drive component B. One end of connecting rod A is rotatably connected to the extrusion roller. Gear B is rotatably mounted on connecting rod A. The transmission shaft is rotatably mounted on the other end of connecting rod A. Gear C is fixedly sleeved on the outside of the transmission shaft. One end of connecting rod B is rotatably connected to the transmission shaft, and the other end of connecting rod B is rotatably connected to the output shaft of rotary drive component B.

[0014] Furthermore, the overload protection mechanism includes two sets of overload protection components symmetrically arranged at both ends of the extrusion roller. Each overload protection component includes a support frame, a movable rack, a movable gear, a fixed rack, and a movable drive assembly. The top end of the support frame is rotatably connected to the end of the extrusion roller. One side of the support frame is fixedly connected to the movable rack. One side of the movable rack meshes with the movable gear. The side of the movable gear away from the movable rack meshes with the fixed rack. The fixed rack is fixedly installed on the frame by a bracket. One side of the movable gear is connected to a movable drive assembly A for driving the movable gear to move along the height direction of the support frame.

[0015] Furthermore, the A mobile drive assembly includes a mobile base and a telescopic drive component. The mobile gear is rotatably mounted on the mobile base, the bottom of the mobile base is fixedly connected to the mobile end of the telescopic drive component, and the fixed end of the telescopic drive component is fixedly connected to the frame.

[0016] Furthermore, the auxiliary mechanism includes two sets of auxiliary components symmetrically arranged on both sides of the conveyor filter belt. Each auxiliary component includes multiple pushing members, each of which corresponds to a multiple carrying roller. The top ends of the multiple pushing members are rotatably connected to the ends of their corresponding carrying rollers. The outer walls of the multiple pushing members are rotatably connected to the frame. Each of the multiple pushing members is fitted with an A spring. The top ends of the multiple A springs are fixedly connected to the frame, and the bottom ends of the multiple A springs are fixedly connected to their corresponding pushing members. The bottom of the multiple pushing members is provided with the same pushing drive member, which is used to push the multiple pushing members upward along the height direction of the pushing members.

[0017] Furthermore, the push drive includes a push plate with multiple protrusions arranged at equal intervals along the length of the push plate. The push plate is slidably mounted on the frame, and one end of the push plate is connected to a reciprocating drive for driving the push plate to move back and forth along the length of the push plate.

[0018] Furthermore, the reciprocating drive includes a transverse groove plate, one side of which is fixedly connected to a push plate. A transverse sliding groove is provided on the transverse groove plate, and a push rod is slidably connected to the inner wall of the transverse sliding groove. A turntable is fixedly connected to the bottom end of the push rod, and a C-rotation drive component is connected to one side of the turntable to drive the turntable to rotate around its own axis.

[0019] Furthermore, rollers are rotatably mounted on the bottom of multiple jacking components, with one side of the rollers contacting the jacking plate.

[0020] Furthermore, the triggering mechanism also includes two guide rods, the outer walls of which are slidably connected to the frame. Each guide rod is fitted with a B spring, the top ends of which are fixedly connected to the frame, and the bottom ends of which are fixedly connected to the guide rod on one side. A pressure sensor is provided at the bottom of one of the guide rods, and a slide is fixedly connected to the bottom of the pressure sensor. A B-movement drive assembly for driving the slide to move along the length of the guide rod is connected to one side of the slide.

[0021] Furthermore, the B-moving drive component is a screw, with both the upper and lower ends of the screw rotatably connected to the frame. The outer wall of the screw is threadedly connected to the slide, and one side of the slide is slidably connected to the frame.

[0022] Compared with the prior art, the water supply and drainage dredging equipment provided by the present invention has an overload prevention mechanism. When the amount of sludge is too large and the squeezing force of the squeezing roller on the conveyor belt is too large, the overload prevention mechanism can drive the squeezing roller to move upward in a direction perpendicular to the upper surface of the conveyor belt, thereby reducing or eliminating the excessive squeezing force, effectively protecting the conveyor belt from damage and extending its service life.

[0023] An auxiliary mechanism can drive multiple load-bearing rollers to move up and down in a direction perpendicular to the upper surface of the conveyor belt, causing the conveyor belt to vibrate to a certain extent. This vibration helps to flatten the sludge on the conveyor belt, improves the filtration efficiency of water in the sludge, and prevents the sludge from agglomerating and causing compression and deformation of the conveyor belt.

[0024] The triggering mechanism can monitor the deformation of the conveyor belt in real time. Once the deformation reaches the preset position, the overload prevention mechanism and auxiliary mechanism will be triggered immediately to achieve rapid response of the mechanism and effectively deal with emergencies such as silt accumulation.

[0025] By setting an adjustable trigger mechanism, the limit position of the trigger plate moving downward can be set according to actual working needs, thereby flexibly adjusting the response sensitivity of the equipment to adapt to the dredging needs under different working conditions.

[0026] The rotary drive mechanism employs a combination of gear transmission and linkage mechanism to ensure that the extrusion roller is always driven during its movement, thus improving the stability and reliability of the equipment. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0028] Figure 1 This is a schematic diagram of the overall external structure provided in an embodiment of the present invention;

[0029] Figure 2 This is a schematic diagram of a first frontal sectional view of an embodiment of the present invention;

[0030] Figure 3 This is a partial cross-sectional structural schematic diagram provided in an embodiment of the present invention;

[0031] Figure 4 This is a schematic diagram of the second frontal sectional view of the structure provided in an embodiment of the present invention;

[0032] Figure 5 This is a partial three-dimensional structural schematic diagram provided in an embodiment of the present invention;

[0033] Figure 6 This is a schematic diagram of the side sectional view structure provided in an embodiment of the present invention;

[0034] Figure 7 Provided for embodiments of the present invention Figure 4 Enlarged diagram of point A in the diagram;

[0035] Figure 8Provided for embodiments of the present invention Figure 6 Enlarged diagram of point B in the diagram;

[0036] Figure 9 Provided for embodiments of the present invention Figure 4 Enlarged diagram of point C in the diagram;

[0037] Figure 10 This is a schematic diagram showing the combination of the push plate, protrusion, push rod, turntable, C-rotation drive component and transverse groove plate provided in an embodiment of the present invention.

[0038] Explanation of reference numerals in the attached figures:

[0039] 100. Frame; 200. Conveyor roller; 300. Conveyor filter belt; 400. Rotary drive component A; 510. Extrusion roller; 520. Positioning roller; 600. Rotary drive mechanism; 601. Gear A; 602. Gear B; 603. Gear C; 604. Gear D; 605. Rotary drive component B; 606. Connecting rod A; 607. Connecting rod B; 608. Drive shaft; 700. Bearing roller; 800. Overload protection mechanism; 801. Support frame; 802. Moving rack; 803. 804. Moving gear; 805. Fixed rack; 806. Moving seat; 807. Telescopic drive component; 900. Auxiliary mechanism; 901. Pushing component; 902. Spring A; 903. Pushing plate; 904. Protrusion; 905. Push rod; 906. Turntable; 907. Rotary drive component C; 908. Transverse slot plate; 909. Roller; 110. Triggering mechanism; 111. Trigger plate; 112. Spring B; 113. Pressure sensor; 114. Slide; 115. Screw; 116. Guide rod. Detailed Implementation

[0040] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0041] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 A water supply and drainage dredging device includes a frame 100, on which two conveying rollers 200 are rotatably mounted. A common conveying filter belt 300 is sleeved around the two conveying rollers 200. One side of one of the conveying rollers 200 is connected to a rotary drive component 400 for driving it to rotate around its own axis. The rotary drive component 400 is a motor or a rotary cylinder. The output shaft end of the rotary drive component 400 is fixedly connected to the end of one of the conveying rollers 200. One end of the conveying filter belt 300 is defined as the conveying front end, and the other end as the conveying rear end. The device also includes:

[0042] The extrusion roller 510 is disposed on the top of the conveyor filter belt 300 and is used to cooperate with the conveyor filter belt 300 to extrude sludge.

[0043] Positioning roller 520 is installed at the bottom of extrusion roller 510 and is located inside conveyor filter belt 300;

[0044] A rotary drive mechanism 600 is connected to the extrusion roller 510 on one side. The rotary drive mechanism 600 is used to drive the extrusion roller 510 to rotate around its own axis.

[0045] Multiple support rollers 700 are disposed on the inner side of the conveyor filter belt 300, and the multiple support rollers 700 are used to support the conveyor filter belt 300;

[0046] An overload prevention mechanism 800 is installed at both ends of the extrusion roller 510. The overload prevention mechanism 800 is used to drive the extrusion roller 510 to move in a direction perpendicular to the upper surface of the conveyor filter belt 300.

[0047] Auxiliary mechanism 900 is used to drive multiple carrier rollers 700 to move up and down in a direction perpendicular to the upper surface of the conveyor filter belt 300;

[0048] The triggering mechanism 110 is located at the bottom of the extrusion roller 510. The triggering mechanism 110 includes a trigger plate 111, which is located between a support roller 700 and the positioning roller 520 on the side near the positioning roller 520. The trigger plate 111 can move to a preset position in a direction perpendicular to the upper surface of the conveyor filter belt 300. When the trigger plate 111 moves to the preset position, the overload prevention mechanism 800 drives the extrusion roller 510 to move upward in a direction perpendicular to the upper surface of the conveyor filter belt 300, and the auxiliary mechanism 900 drives multiple support rollers 700 to move up and down.

[0049] When dredging water supply and drainage systems, the sludge needs to be extracted and then squeezed and dewatered for easy transport. Existing sludge squeezing and dewatering devices mostly use a squeezing and filtering method during conveying. The sludge is directly extracted onto the conveyor belt of the conveyor, which is a filter belt. Pressure rollers are used in conjunction with the conveyor belt to squeeze the sludge and filter out the water. However, in actual use, some sludge is quite dense. If a large amount of sludge enters the conveyor belt, some sludge will accumulate at the pressure rollers. Furthermore, the excessive amount of sludge can cause excessive squeezing force on the conveyor belt when the pressure rollers squeeze the sludge. Under long-term use, the conveyor belt may be damaged due to excessive squeezing force, resulting in a reduced service life and increased equipment costs.

[0050] To address this, this application incorporates an overload prevention mechanism 800. When a large amount of sludge enters the conveyor filter belt 300 at a time, the sludge accumulates on the side of the squeeze roller 510 located at the conveying front end of the conveyor filter belt 300. The squeeze roller 510 squeezes the sludge, causing the sludge to press down on the conveyor filter belt 300. The conveyor filter belt 300 then presses down on the trigger plate 111, causing the trigger plate 111 to move downwards. The downward limit position of the trigger plate 111 can be preset in advance, which is the limit position at which the conveyor filter belt 300 is squeezed and deformed. After the trigger plate 111 moves down to the preset limit position (preset position), the overload prevention mechanism 800 drives the squeeze roller 510 to move upwards in a direction perpendicular to the upper surface of the conveyor filter belt 300, thereby reducing or eliminating the overload caused by the squeeze roller 510 squeezing the sludge on the conveyor filter belt 300. The large extrusion pressure; and, the auxiliary mechanism 900 drives multiple bearing rollers 700 to move up and down in a direction perpendicular to the upper surface of the conveyor filter belt 300. The multiple bearing rollers 700 move up and down in small amplitudes, which will continuously push the conveyor filter belt 300, causing the conveyor filter belt 300 to vibrate to a certain extent. When the conveyor filter belt 300 vibrates, it will shake and spread the sludge conveyed on the conveyor filter belt 300, and accelerate the filtration efficiency of water in the sludge, so as to avoid the sludge volume being too large, which would cause excessive deformation of the conveyor filter belt 300, resulting in damage to the conveyor filter belt 300 and a reduced service life. After the trigger plate 111 is not in the preset position, the overload prevention mechanism 800 drives the extrusion roller 510 to move to the initial position to continue to extrude and filter the sludge.

[0051] Please see Figure 2 , Figure 3 and Figure 5 In one embodiment of the present invention, the rotary drive mechanism 600 includes two sets of rotary drive assemblies symmetrically arranged at both ends of the extrusion roller 510. Each rotary drive assembly includes gear A 601, gear B 602, gear C 603, gear D 604, rotary drive component B 605, connecting rod A 606, connecting rod B 607, and a transmission shaft 608. Gear A 601 is fixedly sleeved on the outside of one end of the extrusion roller 510. One side of gear A 601 meshes with gear B 602, and one side of gear B 602 meshes with gear C 603. One side of gear C 603 meshes with gear D 604. Gear D 604 is fixedly sleeved on the output shaft end of rotary drive component B 605. One end of connecting rod A 606 is rotatably connected to the extrusion roller 510. Gear B 602 is rotatably mounted on connecting rod A 606. Transmission shaft 608 is rotatably mounted on the other end of connecting rod A 606. Gear C 603 is fixedly sleeved on the outside of transmission shaft 608. One end of connecting rod B 607 is rotatably connected to transmission shaft 608. The other end of connecting rod B 607 is rotatably connected to the output shaft of rotary drive component B 605.

[0052] Specifically, the B rotary drive component 605 is a rotary cylinder or motor, fixedly mounted on the frame 100. The B rotary drive component 605 drives the D gear 604 to rotate, which in turn drives the C gear 603 to rotate. The C gear 603 drives the B gear 602 to rotate, which in turn drives the A gear 601 to rotate. The A gear 601 then drives the squeeze roller 510 to rotate. The squeeze roller 510, in conjunction with the conveyor filter belt 300, squeezes and filters the sludge. When the overload prevention mechanism 800 drives the squeeze roller 510... When the extrusion roller 510 moves in a direction perpendicular to the upper surface of the conveyor filter belt 300, it drives the A gear 601 and the A connecting rod 606 to move. Due to the arrangement of the A connecting rod 606 and the B connecting rod 607, the distance between the A gear 601 and the B gear 602, the distance between the B gear 602 and the C gear 603, and the distance between the C gear 603 and the D gear 604 remain the same, that is, the meshing state remains unchanged. Thus, the extrusion roller 510 can be driven at all times during its movement.

[0053] Please see Figure 2 , Figure 3 , Figure 4 and Figure 7 In one embodiment of the present invention, the overload protection mechanism 800 includes two sets of overload protection components symmetrically arranged at both ends of the extrusion roller 510. The overload protection components include a support frame 801, a movable rack 802, a movable gear 803, a fixed rack 804, and a movable drive assembly. The top end of the support frame 801 is rotatably connected to the end of the extrusion roller 510. One side of the support frame 801 is fixedly connected to the movable rack 802. One side of the movable rack 802 meshes with the movable gear 803. The side of the movable gear 803 away from the movable rack 802 meshes with the fixed rack 804. The fixed rack 804 is fixedly mounted on the frame 100 by a bracket. One side of the movable gear 803 is connected to a movable drive assembly A for driving the movable gear 803 to move along the height direction of the support frame 801.

[0054] Specifically, when it is necessary to drive the extrusion roller 510 to move, the moving gear 803 is driven by the A moving drive assembly to move along the height direction of the support frame 801 (i.e., moving in a direction perpendicular to the upper surface of the conveyor filter belt 300). When the moving gear 803 moves, since the fixed rack 804 is fixed on the frame 100, the moving gear 803 rotates while moving. The moving gear 803 drives the moving rack 802 to move, and the moving rack 802 drives the support frame 801 to move. Moreover, the moving distance of the moving rack 802 is many times the moving distance of the moving gear 803 driven by the A moving drive assembly, and the moving speed of the support frame 801 is many times the moving speed of the moving gear 803. This can effectively realize the rapid movement of the extrusion roller 510, so that when there is sludge accumulation, the extrusion roller 510 can move quickly, realizing the rapid response of the mechanism.

[0055] Please see Figure 7 In one embodiment of the present invention, A mobile drive assembly includes a mobile base 805 and a telescopic drive member 806. A mobile gear 803 is rotatably mounted on the mobile base 805. The bottom of the mobile base 805 is fixedly connected to the mobile end of the telescopic drive member 806. The fixed end of the telescopic drive member 806 is fixedly connected to the frame 100.

[0056] Specifically, the telescopic drive component 806 is a telescopic cylinder or hydraulic cylinder. When the moving end of the telescopic drive component 806 extends or retracts, it drives the moving seat 805 to move. The moving seat 805 drives the moving gear 803 to move, thereby realizing the movement of the moving gear 803 along the height direction of the support frame 801.

[0057] Please see Figure 2 , Figure 3 , Figure 4 , Figure 7 and Figure 9 In one embodiment of the present invention, the auxiliary mechanism 900 includes two sets of auxiliary components symmetrically arranged on both sides of the conveyor filter belt 300. The auxiliary components include a plurality of pushers 901, each pusher 901 corresponding to a plurality of carrier rollers 700. The top ends of the plurality of pushers 901 are rotatably connected to the ends of their corresponding carrier rollers 700. The outer side walls of the plurality of pushers 901 are rotatably connected to the frame 100. A spring 902 is sleeved on the outside of each of the plurality of pushers 901. The top ends of the plurality of A springs 902 are fixedly connected to the frame 100. The bottom ends of the plurality of A springs 902 are fixedly connected to their corresponding pushers 901. The bottom of the plurality of pushers 901 is provided with the same pusher drive, which is used to push the plurality of pushers 901 upward along the height direction of the pushers 901.

[0058] Specifically, the pusher drives multiple pushers 901 to move upward along the height direction of the pushers 901, compressing spring A 902. When the pushers 901 move upward, they drive the bearing rollers 700 to move upward. When the pusher drives the pushers 901 to move upward, under the action of spring A 902, the pushers 901 move downward, thereby causing the bearing rollers 700 to move downward. This process is repeated, allowing the multiple bearing rollers 700 to move up and down slightly. The up and down movement of the bearing rollers 700 can bring a certain amount of vibration to the conveyor filter belt 300. When the conveyor filter belt 300 vibrates, the sludge on it is flattened, so as to avoid the sludge in a clump being directly squeezed by the squeeze rollers 510. This can effectively prevent the conveyor filter belt 300 from being damaged due to excessive squeezing force on the conveyor filter belt 300 when the squeeze rollers 510 squeeze the sludge.

[0059] Please see Figure 10In one embodiment of the present invention, the push drive includes a push plate 903, on which a plurality of protrusions 904 are provided. The plurality of protrusions 904 are arranged at equal intervals along the length direction of the push plate 903. The push plate 903 is slidably mounted on the frame 100. One end of the push plate 903 is connected to a reciprocating drive for driving the push plate 903 to reciprocate along the length direction of the push plate 903.

[0060] Specifically, when the reciprocating drive drives the push plate 903 to move back and forth, the protrusion 904 on the push plate 903 pushes the push member 901, thereby realizing a small movement of the push member 901, so as to realize a small movement of the bearing roller 700.

[0061] Please see Figure 9 In order to reduce the wear of the pusher 901, in one embodiment of the present invention, a roller 909 is rotatably mounted on the bottom end of a plurality of pushers 901, and one side of the roller 909 contacts the pusher plate 903.

[0062] Please see Figure 4 , Figure 7 and Figure 10 In one embodiment of the present invention, the reciprocating drive includes a transverse groove plate 908, one side of which is fixedly connected to a push plate 903. A transverse sliding groove is provided on the transverse groove plate 908, and a push rod 905 is slidably connected to the inner wall of the transverse sliding groove. A turntable 906 is fixedly connected to the bottom end of the push rod 905, and a C-rotation drive component 907 for driving the turntable 906 to rotate around its own axis is connected to one side of the turntable 906.

[0063] Specifically, the C-rotary drive component 907 is a rotary cylinder or motor. The turntable 906 is fixedly mounted on the output shaft of the C-rotary drive component 907. The C-rotary drive component 907 is fixedly mounted on the frame 100. The C-rotary drive component 907 drives the turntable 906 to rotate. When the turntable 906 rotates, it drives the push rod 905 to rotate. The push rod 905 pushes the inner wall of the transverse groove on the transverse groove plate 908, causing the transverse groove plate 908 to move. The transverse groove plate 908 drives the push plate 903 to move. When the turntable 906 rotates one revolution, the push plate 903 moves back and forth once, thereby realizing the rapid reciprocating movement of the push plate 903, so as to realize the rapid up and down movement of the push component 901.

[0064] Please see Figure 2 , Figure 4 , Figure 6 , Figure 8 and Figure 9In one embodiment of the present invention, the triggering mechanism 110 further includes two guide rods 116. The outer walls of the two guide rods 116 are slidably connected to the frame 100. B springs 112 are sleeved on the outside of the two guide rods 116. The top ends of the two B springs 112 are fixedly connected to the frame 100, and the bottom ends of the two B springs 112 are fixedly connected to the guide rods 116 on one side. A pressure sensor 113 is provided at the bottom end of one of the guide rods 116. A slide block 114 is fixedly connected to the bottom of the pressure sensor 113. A B movement drive assembly for driving the slide block 114 to move along the length direction of the guide rod 116 is connected to one side of the slide block 114.

[0065] Specifically, when it is necessary to set the limit position (preset position) of the downward movement of the trigger plate 111, the slide 114 is driven to move along the length direction of the guide rod 116 by the B moving drive component. When the slide 114 moves, it drives the pressure sensor 113 to move, thereby adjusting the limit distance of the downward movement of the guide rod 116. After the conveyor filter belt 300 is squeezed and deformed by sludge, it will press down the trigger plate 111. The trigger plate 111 drives the guide rod 116 to move down, and the B spring 112 is stretched. When the guide rod 116 moves down to contact the pressure sensor 113, the pressure sensor 113 sends a control signal to the controller. The controller controls the overload protection mechanism 800 and the auxiliary mechanism 900 to start. The upward movement distance of the extrusion roller 510 and the duration of the up and down movement of the bearing roller 700 can be specifically set.

[0066] Please see Figure 4 , Figure 6 , Figure 8 and Figure 9 In one embodiment of the present invention, the B moving drive component is a screw 115, both the upper and lower ends of the screw 115 are rotatably connected to the frame 100, the outer side wall of the screw 115 is threadedly connected to the slide 114, and one side of the slide 114 is slidably connected to the frame 100.

[0067] Specifically, by rotating the screw 115, since the slide 114 is slidably connected to the frame 100, the screw 115 rotates and drives the slide 114 to move, thereby effectively adjusting the position of the pressure sensor 113.

[0068] In one embodiment of the present invention, a corresponding control unit can be set up for cooperative use. This control unit can be any type of controller connected to the electrical components in this application, thereby controlling the start-up and shutdown of each electrical component. This part is prior art. Here, a microcontroller can be provided as the control unit for demonstration. In this embodiment, the microcontroller is a typical embedded microcontroller unit, consisting of an arithmetic logic unit (ALU), a controller, a memory, input / output devices, etc., equivalent to a miniature computer. Compared with the general-purpose microprocessors used in personal computers, it emphasizes self-sufficiency (no external hardware required) and cost savings. Its biggest advantage is its small size, which can be placed inside the instrument, but it has small storage capacity, simple input / output interfaces, and low power consumption.

[0069] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A water supply and drainage dredging device, comprising a frame (100), on which two conveying rollers (200) are rotatably mounted, and a common conveying filter belt (300) is sleeved on the outside of the two conveying rollers (200), wherein one side of one conveying roller (200) is connected to a rotary drive component (400) for driving it to rotate around its own axis, one end of the conveying filter belt (300) is defined as the conveying front end, and the other end of the conveying filter belt (300) is defined as the conveying rear end, characterized in that, Also includes: The extrusion roller (510) is disposed on top of the conveyor filter belt (300) and is used to extrude sludge in conjunction with the conveyor filter belt (300); A positioning roller (520) is installed at the bottom of the extrusion roller (510) and is located inside the conveyor filter belt (300); A rotary drive mechanism (600) is connected to the extrusion roller (510) on one side. The rotary drive mechanism (600) is used to drive the extrusion roller (510) to rotate around its own axis. Multiple support rollers (700) are disposed on the inner side of the conveyor filter belt (300) and the multiple support rollers (700) are used to support the conveyor filter belt (300); An overload prevention mechanism (800) is installed at both ends of the extrusion roller (510). The overload prevention mechanism (800) is used to drive the extrusion roller (510) to move in a direction perpendicular to the upper surface of the conveyor filter belt (300). An auxiliary mechanism (900) is used to drive multiple carrier rollers (700) to move up and down in a direction perpendicular to the upper surface of the conveyor filter belt (300); A triggering mechanism (110) is located at the bottom of the extrusion roller (510). The triggering mechanism (110) includes a trigger plate (111). The trigger plate (111) is located between a carrying roller (700) and the positioning roller (520) on the side near the positioning roller (520). The trigger plate (111) can move to a preset position in a direction perpendicular to the upper surface of the conveyor belt (300). When the trigger plate (111) moves to the preset position, the overload prevention mechanism (800) drives the extrusion roller (510) to move upward in a direction perpendicular to the upper surface of the conveyor belt (300). The auxiliary mechanism (900) drives multiple carrying rollers (700) to move up and down.

2. The water supply and drainage dredging equipment according to claim 1, characterized in that, The rotary drive mechanism (600) includes two sets of rotary drive components symmetrically arranged at both ends of the extrusion roller (510). Each rotary drive component includes gear A (601), gear B (602), gear C (603), gear D (604), rotary drive component B (605), connecting rod A (606), connecting rod B (607), and a drive shaft (608). Gear A (601) is fixedly sleeved on the outside of one end of the extrusion roller (510). One side of gear A (601) meshes with gear B (602), and one side of gear B (602) meshes with gear C (603). Gear C (604)... 3) One side meshes with gear D (604), gear D (604) is fixedly sleeved on the output shaft end of rotary drive component B (605), one end of connecting rod A (606) is rotatably connected to the extrusion roller (510), gear B (602) is rotatably mounted on connecting rod A (606), drive shaft (608) is rotatably mounted on the other end of connecting rod A (606), gear C (603) is fixedly sleeved on the outside of drive shaft (608), one end of connecting rod B (607) is rotatably connected to drive shaft (608), and the other end of connecting rod B (607) is rotatably connected to the output shaft of rotary drive component B (605).

3. The water supply and drainage dredging equipment according to claim 1, characterized in that, The overload protection mechanism (800) includes two sets of overload protection components symmetrically arranged at both ends of the extrusion roller (510). The overload protection components include a support frame (801), a movable rack (802), a movable gear (803), a fixed rack (804), and a movable drive assembly. The top end of the support frame (801) is rotatably connected to the end of the extrusion roller (510). One side of the support frame (801) is fixedly connected to the movable rack (802). One side of the movable rack (802) meshes with the movable gear (803). The side of the movable gear (803) away from the movable rack (802) meshes with the fixed rack (804). The fixed rack (804) is fixedly installed on the frame (100) by a bracket. One side of the movable gear (803) is connected to a movable drive assembly A for driving the movable gear (803) to move along the height direction of the support frame (801).

4. The water supply and drainage dredging equipment according to claim 3, characterized in that, A mobile drive assembly includes a mobile base (805) and a telescopic drive component (806). A mobile gear (803) is rotatably mounted on the mobile base (805). The bottom of the mobile base (805) is fixedly connected to the mobile end of the telescopic drive component (806), and the fixed end of the telescopic drive component (806) is fixedly connected to the frame (100).

5. The water supply and drainage dredging equipment according to claim 1, characterized in that, The auxiliary mechanism (900) includes two sets of auxiliary components symmetrically arranged on both sides of the conveyor filter belt (300). The auxiliary components include multiple pushers (901), each pusher (901) corresponding to a multiple carrier roller (700). The top of each pusher (901) is rotatably connected to the end of its corresponding carrier roller (700). The outer walls of each pusher (901) are rotatably connected to the frame (100). Each pusher (901) is fitted with an A spring (902). The top of each A spring (902) is fixedly connected to the frame (100). The bottom of each A spring (902) is fixedly connected to its corresponding pusher (901). The bottom of each pusher (901) is provided with the same pusher drive, which is used to push the pushers (901) upward along the height direction of the pusher (901).

6. The water supply and drainage dredging equipment according to claim 5, characterized in that, The push drive includes a push plate (903), on which a plurality of protrusions (904) are provided. The plurality of protrusions (904) are arranged at equal intervals along the length direction of the push plate (903). The push plate (903) is slidably mounted on the frame (100). One end of the push plate (903) is connected to a reciprocating drive for driving the push plate (903) to reciprocate along the length direction of the push plate (903).

7. A water supply and drainage dredging device according to claim 6, characterized in that, The reciprocating drive includes a transverse slot plate (908), one side of which is fixedly connected to a push plate (903). A transverse sliding groove is provided on the transverse slot plate (908), and a push rod (905) is slidably connected to the inner wall of the transverse sliding groove. A turntable (906) is fixedly connected to the bottom end of the push rod (905). A C-rotation drive (907) is connected to one side of the turntable (906) to drive the turntable (906) to rotate around its own axis.

8. A water supply and drainage dredging device according to claim 5, characterized in that, Multiple pushers (901) are rotatably mounted with rollers (909) at their bottom ends, and one side of the rollers (909) is in contact with the pusher plate (903).

9. A water supply and drainage dredging device according to claim 1, characterized in that, The triggering mechanism (110) also includes two guide rods (116). The outer walls of the two guide rods (116) are slidably connected to the frame (100). B springs (112) are sleeved on the outside of the two guide rods (116). The top ends of the two B springs (112) are fixedly connected to the frame (100) respectively. The bottom ends of the two B springs (112) are fixedly connected to the guide rods (116) on one side respectively. A pressure sensor (113) is provided at the bottom end of one of the guide rods (116). A slide (114) is fixedly connected to the bottom of the pressure sensor (113). A B movement drive assembly for driving the slide (114) to move along the length direction of the guide rod (116) is connected to one side of the slide (114).

10. A water supply and drainage dredging device according to claim 9, characterized in that, B is a moving drive component, which is a screw (115). Both ends of the screw (115) are rotatably connected to the frame (100). The outer side wall of the screw (115) is threadedly connected to the slide (114). One side of the slide (114) is slidably connected to the frame (100).

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