Chemical pump with safety protection device
By setting detection components and contact sensors between the output shaft and the pump shaft of the chemical pump, the problem of the output shaft and the pump shaft being different from the pump shaft after the long-term use of the chemical pump is solved, and the vibration and noise of the pump body are reduced, which improves the safety of the equipment.
Patent Information
- Application Number
- CN202420769686.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-15
AI Technical Summary
After long-term use of chemical pumps, due to high-speed rotation and vibration of the pump body, there are different center problems in the connection shaft of the motor output shaft and the pump body impeller, causing severe vibration, noise and vibration of the pump body, which may cause equipment damage in severe cases.
A chemical pump with safety protection device is designed. By setting a detection component between the output shaft and the pump shaft, the contact sensor is used to detect the concentric state of the two. When different centers are found, the alarm alarms are alarmed, and the staff can adjust to ensure the concentric state.
It effectively avoids pump body vibration and noise problems caused by the different centers of the output shaft and the pump shaft, and improves the safety of chemical pump use.
Smart Images
Figure CN222576907U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical pumps, in particular to a chemical pump with a safety protection device. Background Art
[0002] Chemical pumps are used for industrial and urban water supply and drainage, and can also be used for irrigation and drainage of farmland and orchards. They are used to transport clean water or other liquids with physical and chemical properties similar to clean water. They are mainly composed of pump body, impeller, pump cover and other parts. When in use, the driver rotates the impeller, and the blades in the impeller drive the fluid to rotate together, so that the fluid generates centrifugal force. Under the action of this centrifugal force, the fluid is thrown to the impeller outlet along the blade flow channel, and is sent to the outlet pipe through the diffuser and volute;
[0003] Usually, the output shaft of the motor and the connecting shaft of the pump impeller are connected to each other through a coupling. However, after long-term use, the chemical pump will have a problem of misalignment between the output shaft of the motor and the connecting shaft of the pump impeller due to high-speed rotation and vibration of the pump body. When the output shaft of the motor and the connecting shaft of the pump impeller are not concentric, it will cause the pump body to vibrate violently. When the pump body vibrates excessively, it will generate loud noise and vibration, which may cause damage to the equipment in severe cases. The overall safety of use needs to be further improved.
[0004] For this reason, we propose a chemical pump with a safety protection device. Utility Model Content
[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a chemical pump with a safety protection device.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a chemical pump with a safety protection device, comprising a pump body, a motor is arranged on one side of the pump body, a pump shaft is rotatably mounted on the pump body, an output shaft is rotatably mounted on the motor, the output shaft and the pump shaft are connected to each other through a coupling, a detection component is arranged between the output shaft and the pump shaft, the detection component detects whether the output shaft and the pump shaft are concentric, a cooling component is arranged on the motor, the cooling component accelerates the heat dissipation of the motor, and a support component is arranged on one side of the pump body.
[0007] Preferably, the detection assembly includes a detection sleeve, which is movably installed between the output shaft and the pump shaft, a movable seat is fixedly installed on the detection sleeve, the movable seat is slidably installed between the output shaft and the pump shaft, an alarm is fixedly installed on the movable seat, an inner sleeve is fixedly installed inside the detection sleeve, eight connecting frames are slidably installed on the inner side of the inner sleeve, a contact sensor is fixedly installed on the connecting frame, a second rack is fixedly installed on the connecting frame, and a second gear is rotatably installed on one side of the second rack.
[0008] Preferably, the second rack is slidably mounted on the detection sleeve, the second gear is rotationally connected to the detection sleeve, the second gear and the second rack are meshed with each other, and a synchronous belt is sleeved between the four second gears.
[0009] Preferably, the support assembly includes a fixed seat, which is fixedly mounted on one side of the pump body, a movable frame movably mounted on the fixed seat, two positioning balls symmetrically and movably mounted inside the movable frame, two mounting frames symmetrically and movably mounted on the movable frame, a spring fixedly mounted on the movable frame, and a movable roller rotatably mounted on the mounting frame.
[0010] Preferably, the movable frame is driven by a driving assembly, and the mounting frame is slidably mounted on the movable frame, and one end of the spring is fixedly connected to the mounting frame.
[0011] Preferably, the driving assembly includes a first rack, which is fixedly mounted on both sides of the movable frame, and a first gear is rotatably mounted on one side of the first rack, and the first gear is rotatably connected to the fixed seat.
[0012] Preferably, the cooling assembly includes a circulating water tank, which is fixedly mounted on one side of the motor, water pipes are evenly fixedly mounted on the motor, a connecting pipe is fixedly mounted between every two adjacent water pipes, a water inlet pipe is fixedly mounted on the circulating water tank, a water outlet pipe is arranged on the circulating water tank, and the water outlet pipe and the water pipe are connected to each other.
[0013] The utility model provides a chemical pump with a safety protection device. Compared with the prior art, the utility model has the following improvements and advantages: by providing a detection component, when the chemical pump stops being used, the servo motor is controlled to drive the second gear to rotate and cooperate with the synchronous belt to drive four second gears to rotate synchronously, and when the second gear rotates, it meshes with the second rack to drive eight contact sensors to move toward the output shaft and the surface of the pump shaft, and when the eight contact sensors can all contact with the output shaft and the pump shaft, the contact sensor feedback signal value controls the system, and at this time it means that the output shaft and the pump shaft axis are on the same straight line, if one of the contact sensors feeds back a no-contact signal, the output shaft and the pump shaft are not concentric, the alarm sounds, and the staff can make corresponding adjustments to the output shaft and the pump shaft to ensure that the output shaft and the pump shaft are concentric, thereby ensuring the safety of subsequent use of the chemical pump. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0015] Figure 1This is a structural schematic diagram of a chemical pump with a safety protection device proposed by the utility model;
[0016] Figure 2 This is a schematic diagram of the top view of a chemical pump with a safety protection device proposed by the utility model;
[0017] Figure 3 This is a structural schematic diagram of a support assembly in a chemical pump with a safety protection device proposed by the utility model;
[0018] Figure 4 The utility model provides a schematic diagram of the structure of a detection component in a chemical pump with a safety protection device.
[0019] Legend: 1. Pump body; 2. Motor; 3. Output shaft; 4. Pump shaft; 5. Detection sleeve; 6. Movable seat; 7. Alarm; 8. Circulating water tank; 9. Fixed seat; 10. Movable frame; 11. Water guide pipe; 12. Water inlet pipe; 13. Water outlet pipe; 14. First rack; 15. First gear; 16. Mounting frame; 17. Movable roller; 18. Spring; 19. Positioning ball; 20. Connecting frame; 21. Contact sensor; 22. Second rack; 23. Second gear; 24. Inner sleeve. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] A chemical pump with a safety protection device, such as Figure 1 - Figure 4As shown, it includes a pump body 1, a motor 2 is arranged on one side of the pump body 1, a pump shaft 4 is rotatably mounted on the pump body 1, an output shaft 3 is rotatably mounted on the motor 2, the output shaft 3 and the pump shaft 4 are connected to each other through a coupling, a detection component is arranged between the output shaft 3 and the pump shaft 4, the detection component can detect whether the output shaft 3 and the pump shaft 4 are concentric, a cooling component is arranged on the motor 2, the cooling component can accelerate the heat dissipation of the motor 2, and a support component is arranged on one side of the pump body 1, and the support component can support the connected external pipe body; by arranging the detection component, during the use of the chemical pump, the support component can support the external pipe body to avoid the connection position of the external pipe body and the pump body 1 being excessively pressed down and falling off, and at the same time, the cooling component can assist in heat dissipation when the head of the chemical pump is too large to ensure that the heat of the motor 2 can be normally dissipated, and at the same time, the detection component can be used to detect the concentricity of the output shaft 3 and the pump shaft 4 after the use of the chemical pump to ensure that the output shaft 3 and the pump shaft 4 are in a concentric state to ensure the overall safety of the chemical pump.
[0022] Furthermore, the detection component includes a detection sleeve 5, which is movably installed between the output shaft 3 and the pump shaft 4. A movable seat 6 is fixedly installed on the detection sleeve 5, and the movable seat 6 is slidably installed between the output shaft 3 and the pump shaft 4. An alarm 7 is fixedly installed on the movable seat 6, and the alarm 7 is electrically connected to the external controller. An inner sleeve 24 is fixedly installed inside the detection sleeve 5, and the inner sleeve 24 is a circular ring structure. Eight connecting frames 20 are slidably installed on the inner side of the inner sleeve 24, and a contact sensor 21 is fixedly installed on the connecting frame 20. The contact sensor 21 is electrically connected to the external controller. When the connecting frame 20 moves to the middle position, it can contact the output shaft 3 and the pump shaft 4. A second rack 22 is fixedly installed on the connecting frame 20, and the second rack 22 is slidably installed on the detection sleeve 5. A second gear 23 is rotatably installed on one side of the second rack 22, and the second gear 23 is rotatably connected to the detection sleeve 5. The second gear 23 and the second rack 22 are meshed with each other, and the four second gears 23 are meshed with each other. A synchronous belt is sleeved between the wheels 23, and the synchronous belt can keep the four second gears 23 rotating synchronously, one of the second gears 23 is driven by the servo motor 2, and the servo motor 2 is electrically connected to the external controller; by providing a detection component, when the chemical pump stops using, the servo motor 2 is controlled to drive the second gear 23 to rotate and cooperate with the synchronous belt to drive the four second gears 23 to rotate synchronously, and when the second gear 23 rotates, it meshes with the second rack 22 to drive the eight contact sensors 21 to move toward the output shaft 3 and the surface of the pump shaft 4. When the eight contact sensors 21 can all contact with the output shaft 3 and the pump shaft 4, the contact sensor 21 feedback signal value control system, then it means that the output shaft 3 and the pump shaft 4 axis are on the same straight line, if one of the contact sensors 21 feedbacks a no-contact signal, the output shaft 3 and the pump shaft 4 are not concentric, the alarm 7 alarms, and the staff can make corresponding adjustments to the output shaft 3 and the pump shaft 4 to ensure that the output shaft 3 and the pump shaft 4 are concentric.
[0023] Further, the support assembly includes a fixed seat 9, the fixed seat 9 is fixedly mounted on one side of the pump body 1, a movable frame 10 is movably mounted on the fixed seat 9, the movable frame 10 is driven by the driving assembly, two positioning balls 19 are symmetrically mounted inside the movable frame 10, the positioning balls 19 are spherical structures, the positioning balls 19 are driven by a hydraulic telescopic rod, the hydraulic telescopic rod is electrically connected to the external controller, two mounting frames 16 are symmetrically mounted on the movable frame 10, the mounting frame 16 is slidably mounted on the movable frame 10, and a spring is fixedly mounted on the movable frame 10 Spring 18, one end of the spring 18 is fixedly connected to the mounting frame 16, and a movable roller 17 is rotatably installed on the mounting frame 16. The tube body passes through the inside of the movable frame 10 and can contact with the two movable rollers 17. By providing a support component, during the use of the chemical pump, the external tube body passes through the inside of the movable frame 10, and the tube body and the movable rollers 17 contact with each other. The movable rollers 17 can rotate to facilitate the pulling of the tube body. The movable rollers 17 cooperate with the positioning balls 19 to support the tube body, thereby avoiding the problem of the tube body and the pump body 1 falling off due to excessive force at the connection position.
[0024] Furthermore, the driving component includes a first rack 14, the first rack 14 is fixedly mounted on both sides of the movable frame 10, a first gear 15 is rotatably mounted on one side of the first rack 14, the first gear 15 is rotatably connected to the fixed seat 9, the first gear 15 is driven by a servo motor 2, and the servo motor 2 is electrically connected to the external controller; by providing a driving component, when the external tube body is excessively pressed downward, the servo motor 2 is controlled to drive the first gear 15 to rotate and engage with the first rack 14 to drive the movable frame 10 to move upward, thereby causing the tube body to move upward, avoiding the problem of the connection between the tube body and the pump body 1 being detached due to excessive pressure downward.
[0025] Furthermore, the cooling assembly includes a circulating water tank 8, which is fixedly mounted on one side of the motor 2. The circulating water tank 8 is filled with a coolant (the coolant can be a low-temperature liquid such as water). The motor 2 is evenly and fixedly mounted with water pipes 11. The water pipes 11 are hollow structures. A connecting pipe is fixedly mounted between every two adjacent water pipes 11. The connecting pipe can achieve communication between the two water pipes 11. The circulating water tank 8 is fixedly mounted with a water inlet pipe 12. The water inlet pipe 12 is provided with a one-way valve. The coolant in the circulating water tank 8 can be pumped into the water pipe 11 through a water pump. The circulating water tank 8 is provided with a water outlet pipe 13. The water outlet pipe 13 and the water pipe 11 are connected to each other. After the coolant in the circulating water tank 8 is drawn out, it enters the water conduit 11 through the water inlet pipe 12 and returns to the circulating water tank 8 from the water outlet pipe 13 on one side to realize the circulation of the coolant. At the same time, the coolant can take away the heat dissipated by the motor 2 when flowing, accelerate the heat dissipation of the motor 2, and ensure the normal operation of the motor 2; by providing a cooling component, during operation, when the lift of the pump body 1 is too large, the water pump is started to draw out the coolant in the circulating water tank 8 and circulate it through the water inlet pipe 12, the water conduit 11 and the water outlet pipe 13, to ensure that the coolant circulates on the surface of the motor 2 to drive the heat dissipated by the motor 2, to ensure the use of the motor 2.
[0026] The working principle of the utility model: during the use of the chemical pump, the output shaft 3 on the motor 2 is connected to the pump shaft 4 on the pump body 1 to drive the impeller on the pump body 1 to rotate, the outer tube body is connected to the tube body on the pump body 1, the outer tube body passes through the inside of the movable frame 10, the tube body and the movable roller 17 are in contact with each other, the movable roller 17 can rotate to facilitate the pulling of the tube body, the movable roller 17 cooperates with the positioning ball 19 to support the tube body, avoid the problem of excessive force at the connection position between the tube body and the pump body 1 causing it to fall off, when the outer tube body is excessively pressed downward, the servo motor 2 is controlled to drive the first gear 15 to rotate and engage with the first rack 14 to drive the movable frame 10 to move up, thereby causing the tube body to move up, avoid the problem of excessive force at the connection position between the tube body and the pump body 1 causing it to fall off, during operation, when the lift of the pump body 1 is too large, the water pump is started to extract the coolant inside the circulating water tank 8 and through the inlet The water pipe 12, the water conduit 11 and the water outlet pipe 13 circulate to ensure that the coolant circulates on the surface of the motor 2 to drive the heat dissipated by the motor 2 to ensure the use of the motor 2. When the chemical pump stops being used, the servo motor 2 is controlled to drive the second gear 23 to rotate and cooperate with the synchronous belt to drive the four second gears 23 to rotate synchronously. When the second gear 23 rotates, it meshes with the second rack 22 to drive the eight contact sensors 21 to move toward the output shaft 3 and the pump shaft 4 surface. When the eight contact sensors 21 can all contact with the output shaft 3 and the pump shaft 4, the contact sensor 21 feedback signal value control system, then it means that the output shaft 3 and the pump shaft 4 axis are on the same straight line, if one of the contact sensors 21 feedbacks a no contact signal, the output shaft 3 and the pump shaft 4 are not concentric, the alarm 7 alarms, and the staff can make corresponding adjustments to the output shaft 3 and the pump shaft 4 to ensure that the output shaft 3 and the pump shaft 4 are concentric.
[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A chemical pump with a safety protection device, comprising a pump body (1), a motor (2) being arranged on one side of the pump body (1), a pump shaft (4) being rotatably mounted on the pump body (1), an output shaft (3) being rotatably mounted on the motor (2), the output shaft (3) and the pump shaft (4) being connected to each other via a coupling, characterized in that: A detection component is provided between the output shaft (3) and the pump shaft (4), and the detection component detects whether the output shaft (3) and the pump shaft (4) are concentric. A cooling component is provided on the motor (2), and the cooling component accelerates the heat dissipation of the motor (2). A support component is provided on one side of the pump body (1).
2. A chemical pump with a safety protection device according to claim 1, characterized in that: The detection assembly comprises a detection sleeve (5), the detection sleeve (5) is movably mounted between the output shaft (3) and the pump shaft (4), a movable seat (6) is fixedly mounted on the detection sleeve (5), the movable seat (6) is slidably mounted between the output shaft (3) and the pump shaft (4), an alarm (7) is fixedly mounted on the movable seat (6), an inner sleeve (24) is fixedly mounted inside the detection sleeve (5), eight connecting frames (20) are slidably mounted on the inner side of the inner sleeve (24), a contact sensor (21) is fixedly mounted on the connecting frame (20), a second rack (22) is fixedly mounted on the connecting frame (20), and a second gear (23) is rotatably mounted on one side of the second rack (22).
3. A chemical pump with a safety protection device according to claim 2, characterized in that: The second rack (22) is slidably mounted on the detection sleeve (5), the second gear (23) is rotationally connected to the detection sleeve (5), the second gear (23) and the second rack (22) are meshed with each other, and a synchronous belt is sleeved between the four second gears (23).
4. A chemical pump with a safety protection device according to claim 1, characterized in that: The support assembly comprises a fixed seat (9), the fixed seat (9) being fixedly mounted on one side of the pump body (1), a movable frame (10) being movably mounted on the fixed seat (9), two positioning balls (19) being symmetrically and movably mounted inside the movable frame (10), two mounting frames (16) being symmetrically and movably mounted on the movable frame (10), a spring (18) being fixedly mounted on the movable frame (10), and a movable roller (17) being rotatably mounted on the mounting frame (16).
5. A chemical pump with a safety protection device according to claim 4, characterized in that: The movable frame (10) is driven by a driving assembly, and a mounting frame (16) is slidably mounted on the movable frame (10), and one end of a spring (18) is fixedly connected to the mounting frame (16).
6. A chemical pump with a safety protection device according to claim 5, characterized in that: The driving assembly comprises a first rack (14), the first rack (14) being fixedly mounted on both sides of the movable frame (10), a first gear (15) being rotatably mounted on one side of the first rack (14), and the first gear (15) being rotatably connected to the fixed seat (9).
7. The chemical pump with a safety protection device according to claim 1, characterized in that: The cooling assembly comprises a circulating water tank (8), the circulating water tank (8) being fixedly mounted on one side of the motor (2), water pipes (11) being evenly fixedly mounted on the motor (2), a connecting pipe being fixedly mounted between every two adjacent water pipes (11), a water inlet pipe (12) being fixedly mounted on the circulating water tank (8), a water outlet pipe (13) being arranged on the circulating water tank (8), and the water outlet pipe (13) and the water outlet pipe (11) being connected to each other.