Double-shaft self-locking ball collecting net

Abstract

This utility model relates to the field of power plant equipment cleaning and discloses a dual-axis self-locking ball-collecting net, including a ball-collecting net cylinder. A flexible connecting plate is installed inside the ball-collecting net cylinder. Two sets of support grid plates are fixedly connected to the bottom end of the flexible connecting plate. Net plates are detachably installed on the support grid plates. A first connecting shaft is movably connected inside the ball-collecting net cylinder. A second connecting shaft is located above the first connecting shaft, and support rods are movably connected to both sides of the second connecting shaft. This dual-axis self-locking ball-collecting net, through a two-bar linkage structure, ensures that the ball-collecting net does not deform under the action of water flow during long-term operation. When the ball-collecting net grid plates are in the ball-collecting state, in the self-locking state, regardless of the impact on the grid plates, the drive mechanism only experiences axial thrust and not torque. This completely ensures that the ball-collecting net grid plates do not shift under the impact of water flow and remain tightly fitted to the cylinder, effectively guaranteeing the ball-collecting rate and solving the problem of poor self-locking strength.

Description

Technical Field

[0001] This utility model relates to the field of power plant equipment cleaning technology, specifically a dual-axis self-locking ball-collecting net. Background Technology

[0002] Power plant cleaning balls are an important cleaning and maintenance tool, mainly used for online cleaning of condenser tubes to improve heat exchange efficiency. Scale easily accumulates inside the pipes of power plant condensers, and the cleaning balls remove deposits through physical friction, keeping the pipes clear.

[0003] The ball-collecting net is a key piece of equipment used to efficiently collect balls and ensure stable system operation. However, the support shaft of the net plate in common ball-collecting nets is only used for support. During the ball collection process, the net plate is subjected to a large impact, which can cause the net plate to not fit tightly against the wall of the net-collecting cylinder, resulting in a reduced ball collection rate.

[0004] There is an urgent need for a dual-axis self-locking ball-collecting net to solve the technical defects mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a dual-axis self-locking ball-collecting net to solve the problem of poor self-locking strength mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dual-axis self-locking ball-collecting net, comprising a ball-collecting net cylinder, a flexible connecting plate disposed inside the ball-collecting net cylinder, two sets of support grid plates fixedly connected to the bottom end of the flexible connecting plate, a net plate detachably mounted on the support grid plates, a first connecting shaft movably connected inside the ball-collecting net cylinder, a second connecting shaft disposed above the first connecting shaft, support rods movably connected to both sides of the second connecting shaft, a first connecting rod movably connected to both sides of the first connecting shaft, a second connecting rod movably connected to the end of the first connecting rod, the second connecting rod being movably connected to the support grid plates, a differential pressure sensor fixedly mounted on the inner wall of the ball-collecting net cylinder, ball-out pipes fixedly connected to the bottom ends of both sides of the ball-collecting net cylinder, a drive motor fixedly mounted at the front end of the ball-collecting net cylinder, guide plates fixedly mounted on both sides of the inner interior of the ball-collecting net cylinder, four sets of mounting blocks fixedly connected to the outside of the net plate, and mounting slots disposed inside the support grid plates.

[0007] As a further technical solution of this utility model, the output end of the drive motor is fixedly connected to the first connecting shaft, and the support rod is movably connected to the support grid plate.

[0008] As a further technical solution of this utility model, the guide plate is provided in two sets, the guide plate is V-shaped, and the guide plate is provided on both sides of the support grid plate.

[0009] As a further technical solution of this utility model, the mounting block is threadedly connected with a mounting bolt, and the mounting block is embedded in the inside of the mounting slot and is threadedly connected by the mounting bolt.

[0010] As a further technical solution of this utility model, a sealing gasket is fixedly connected to the inner wall of the ball collecting net cylinder near the ball outlet tube, and a sealing gasket block is fixedly connected to the bottom end of the support grid plate, with the sealing gasket block and the sealing gasket plate in close contact.

[0011] As a further technical solution of this utility model, two sets of sensor interfaces are provided on the side of the ball-collecting net cylinder, and the differential pressure sensor is electrically connected to the sensor interface.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the dual-axis self-locking ball-collecting net not only realizes the function of enhancing self-locking strength and stability and the function of facilitating mesh adjustment, but also realizes the function of improving ball release efficiency;

[0013] (1) By setting up a ball-collecting net cylinder, a support grid plate, a ball-outlet pipe, a first connecting shaft, a first connecting rod, a second connecting rod, a second connecting shaft, a support rod, and a sealing gasket, when in the ball-collecting position, the drive motor drives the first connecting shaft to rotate, and the first and second connecting rods push the net plate to fit against the cylinder wall. The rotation of the net plate is driven by the drive motor, the first connecting rod, and the second connecting rod. One end of the second connecting rod is hinged to the connecting rod support, and the other end is fixed to the power input shaft, so that the ball-collecting net does not deform under the action of water flow for a long time. When the ball-collecting net grid plate is in the ball-collecting state, the mechanism is in a self-locking state. At this time, no matter how much impact the grid plate bears, the drive mechanism is only subjected to axial thrust and not torque. At this time, the force on the electric actuator is zero, which can completely ensure that the ball-collecting net grid plate does not shift under the impact of water flow and fits tightly against the cylinder, effectively ensuring the ball collection rate.

[0014] (2) By setting up a mesh plate, a support grid plate, a mounting slot, a mounting block and mounting bolts, the mesh plate adopts a diamond-shaped mesh to avoid the rubber ball getting stuck. Moreover, the mesh size of the mesh plate can be adjusted according to the size of the rubber ball being cleaned. During adjustment, the corresponding mesh plate is installed on the support grid plate, so that the mounting block on the mesh plate is inserted into the mounting slot and fixed with the mounting bolts. This structure realizes the function of easy mesh adjustment and enhances the efficiency of rubber ball discharge.

[0015] (3) By setting up a ball-collecting net cylinder, a guide plate, a differential pressure sensor and a sensor interface, the V-shaped guide plate installed inside the ball-collecting net cylinder is set on both sides of the support grid plate. The guide plate can prevent eddies from being generated inside the ball-collecting net, ensuring that the ball can pass smoothly through the ball-out tube. The differential pressure sensor inside the ball-collecting net cylinder can detect the pressure on both sides of the net plate and determine the blockage inside the ball-collecting net cylinder. This structure realizes the function of enhancing ball output efficiency. Attached Figure Description

[0016] Figure 1 This is a frontal cross-sectional view of the present invention.

[0017] Figure 2 This is a side view of the structure of this utility model;

[0018] Figure 3 This is a front view schematic diagram of the support grid plate of this utility model;

[0019] Figure 4 This is a side view of the mesh structure of this utility model.

[0020] In the diagram: 1. Ball collecting net cylinder; 2. Flexible connecting plate; 3. Support grid plate; 4. Net plate; 5. Guide plate; 6. Ball outlet tube; 7. First connecting shaft; 8. First connecting rod; 9. Second connecting rod; 10. Second connecting shaft; 11. Support rod; 12. Differential pressure sensor; 13. Sealing gasket; 14. Sealing gasket plate; 15. Drive motor; 16. Sensor interface; 17. Mounting slot; 18. Mounting block; 19. Mounting bolt. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4An embodiment of this utility model provides: a dual-axis self-locking ball-collecting net, including a ball-collecting net cylinder 1, a flexible connecting plate 2 inside the ball-collecting net cylinder 1, two sets of support grid plates 3 fixedly connected to the bottom end of the flexible connecting plate 2, a net plate 4 detachably installed on the support grid plates 3, a first connecting shaft 7 movably connected inside the ball-collecting net cylinder 1, a second connecting shaft 10 above the first connecting shaft 7, support rods 11 movably connected to both sides of the second connecting shaft 10, a first connecting rod 8 movably connected to both sides of the first connecting shaft 7, a second connecting rod 9 movably connected to the end of the first connecting rod 8, the second connecting rod 9 being movably connected to the support grid plates 3, a differential pressure sensor 12 fixedly installed on the inner wall of the ball-collecting net cylinder 1, ball-out pipes 6 fixedly connected to the bottom ends of both sides of the ball-collecting net cylinder 1, a drive motor 15 fixedly installed at the front end of the ball-collecting net cylinder 1, and guide plates 5 fixedly installed on both sides inside the ball-collecting net cylinder 1;

[0023] The output end of the drive motor 15 is fixedly connected to the first connecting shaft 7, the support rod 11 is movably connected to the support grid plate 3, a sealing gasket 14 is fixedly connected to the inner wall of the ball collecting net cylinder 1 near the ball outlet tube 6, and a sealing block 13 is fixedly connected to the bottom end of the support grid plate 3, with the sealing block 13 and the sealing gasket 14 in close contact.

[0024] Specifically, such as Figure 1 and Figure 3 As shown, the drive motor 15 drives the first connecting shaft 7 to rotate, and the first connecting rod 8 and the second connecting rod 9 push the mesh plate 4 to fit against the cylinder wall. The rotation of the mesh plate 4 is driven by the drive motor 15, the first connecting rod 8 and the second connecting rod 9. One end of the second connecting rod is hinged to the connecting rod support, and the other end is fixed to the power input shaft, so that the ball-collecting net does not deform under the action of water flow for a long time. When the ball-collecting net grid plate is in the ball-collecting state, the mechanism is in a self-locking state. At this time, no matter how much impact the grid plate is subjected to, the drive mechanism is only subjected to axial thrust and not torque.

[0025] The external fixed connection of the mesh plate 4 has four sets of mounting blocks 18, the internal support grid plate 3 is provided with mounting slots 17, the mounting blocks 18 are threaded with mounting bolts 19, the mounting blocks 18 are embedded in the mounting slots 17 and are threadedly connected by the mounting bolts 19.

[0026] Specifically, such as Figure 1 and Figure 4 As shown, the mesh plate 4 uses a diamond-shaped mesh to prevent the rubber balls from getting stuck. Moreover, the mesh size of the mesh plate 4 can be adjusted according to the size of the cleaning rubber balls. During adjustment, the corresponding mesh plate 4 is installed on the support grid plate 3, so that the mounting block 18 on the mesh plate 4 is inserted into the mounting slot 17 and fixed with the mounting bolt 19.

[0027] Two sets of guide plates 5 are provided. The guide plates 5 are V-shaped and are provided on both sides of the support grid plate 3. Two sets of sensor interfaces 16 are provided on the side of the ball collecting net cylinder 1. The differential pressure sensor 12 is electrically connected to the sensor interface 16.

[0028] Specifically, such as Figure 1 and Figure 2 As shown, the V-shaped guide plate 5 installed inside the ball-collecting net cylinder 1 is located on both sides of the support grid plate 3. The guide plate 5 can prevent eddies from being generated inside the ball-collecting net, ensuring that the ball can pass smoothly through the ball-out tube 6. The differential pressure sensor 12 inside the ball-collecting net cylinder 1 can detect the pressure on both sides of the net plate 4 and determine the blockage inside the ball-collecting net cylinder 1.

[0029] Working principle: When in the ball-collecting position, the drive motor 15 drives the first connecting shaft 7 to rotate, and the first connecting rod 8 and the second connecting rod 9 push the mesh plate 4 to fit against the cylinder wall. The rotation of the mesh plate 4 is driven by the drive motor 15, the first connecting rod 8 and the second connecting rod 9. One end of the two connecting rods is hinged to the connecting rod support, and the other end is fixed to the power input shaft, so that the ball-collecting net does not deform under the action of water flow for a long time. This ball-collecting net has changed from the original single cantilever beam structure of the mesh plate 4 of the ball-collecting net to a double shaft, double two-link, electric drive mechanism. When the ball-collecting net grid plate is in the ball-collecting state, the mechanism is in a self-locking state. At this time, no matter how much impact the grid plate is subjected to, the drive mechanism is only subjected to axial thrust and not torque. At this time, the force on the electric actuator is zero. Meanwhile, due to the good rigidity of the drive mechanism, it can completely ensure that the ball-collecting net grid plate does not shift under the impact of water flow and fits tightly against the cylinder, effectively ensuring the ball collection rate. The V-shaped guide plate 5 installed inside the ball-collecting net cylinder 1 is set on both sides of the support grid plate 3. The guide plate 5 can avoid the generation of eddies inside the ball-collecting net and ensure that the rubber balls can pass smoothly through the rubber ball outlet pipe 6. The differential pressure sensor 12 inside the ball-collecting net cylinder 1 can detect the pressure on both sides of the net plate 4 and judge the blockage inside the ball-collecting net cylinder 1. The net plate 4 adopts a diamond-shaped mesh to avoid the rubber balls getting stuck. Moreover, the mesh size of the net plate 4 can be adjusted and installed according to the size of the rubber balls being cleaned. During adjustment, the corresponding net plate 4 is installed on the support grid plate 3, so that the mounting clip 18 on the net plate 4 is inserted into the mounting slot 17 and fixed with the mounting bolt 19. This structure realizes the function of easy adjustment of the mesh and enhances the efficiency of rubber ball discharge.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A dual-axis self-locking ball-collecting net, comprising a ball-collecting net cylinder (1), characterized in that: The ball-collecting net cylinder (1) is internally provided with a flexible connecting plate (2). Two sets of support grid plates (3) are fixedly connected to the bottom end of the flexible connecting plate (2). A net plate (4) is detachably installed on the support grid plate (3). A first connecting shaft (7) is movably connected inside the ball-collecting net cylinder (1). A second connecting shaft (10) is provided above the first connecting shaft (7). Support rods (11) are movably connected to both sides of the second connecting shaft (10). A first connecting rod (8) is movably connected to both sides of the first connecting shaft (7). The end of the first connecting rod (8) is movably connected to... A second connecting rod (9) is connected to the support grid plate (3). A differential pressure sensor (12) is fixedly installed on the inner wall of the ball-collecting net cylinder (1). A ball-out pipe (6) is fixedly connected to the bottom of both sides of the ball-collecting net cylinder (1). A drive motor (15) is fixedly installed at the front end of the ball-collecting net cylinder (1). A guide plate (5) is fixedly installed on both sides inside the ball-collecting net cylinder (1). Four sets of mounting blocks (18) are fixedly connected to the outside of the net plate (4). A mounting slot (17) is provided inside the support grid plate (3).

2. The dual-axis self-locking ball-collecting net according to claim 1, characterized in that: The output end of the drive motor (15) is fixedly connected to the first connecting shaft (7), and the support rod (11) is movably connected to the support grid plate (3).

3. A dual-axis self-locking ball-collecting net according to claim 1, characterized in that: Two sets of guide plates (5) are provided. The guide plates (5) are V-shaped and are provided on both sides of the support grid plate (3).

4. A dual-axis self-locking ball-collecting net according to claim 1, characterized in that: The mounting block (18) is threaded with a mounting bolt (19), and the mounting block (18) is embedded inside the mounting slot (17) and threadedly connected by the mounting bolt (19).

5. A dual-axis self-locking ball-collecting net according to claim 1, characterized in that: A sealing gasket (14) is fixedly connected to the inner wall of the ball collecting net cylinder (1) near the ball outlet tube (6), and a sealing block (13) is fixedly connected to the bottom end of the support grid plate (3). The sealing block (13) and the sealing gasket (14) are tightly fitted together.

6. A dual-axis self-locking ball-collecting net according to claim 1, characterized in that: The ball-collecting net cylinder (1) has two sets of sensor interfaces (16) on its side, and the differential pressure sensor (12) is electrically connected to the sensor interface (16).

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