WO2023024269A1

WO2023024269A1 - Industrial pump with safety protection mechanism

Info

Publication number: WO2023024269A1
Application number: PCT/CN2021/130048
Authority: WO
Inventors: 朱杰; 倪华珑; 陈祥; 侯月莉
Original assignee: 安徽金晥泵业科技股份有限公司
Priority date: 2021-08-24
Filing date: 2021-11-11
Publication date: 2023-03-02
Also published as: ZA202109898B; CN113803292A

Abstract

The present invention relates to the technical field of industrial pumps, and specifically relates to an industrial pump with a safety protection mechanism. The industrial pump comprises a case and a pump body, wherein a port box is provided at one end of the case; the pump body is located inside the case, a water intake end and a water output end of the pump body are arranged in the port box, an electric control box is provided at the top of the port box, and a gradienter is provided at the inner bottom of the port box; and a vibration absorbing assembly is provided below the case. The vibration absorbing assembly is arranged at the bottom of the industrial pump. Since a water inlet and a water outlet of the industrial pump are both in rigid connection during use, the vibration generated due to the action of the pump body during the operation of the pump can easily irreversibly affect the industrial pump, so that the addition of the vibration absorbing assembly can avoid irreversible problems of the industrial pump due to the vibration during operation.

Description

An industrial pump with a safety protection mechanism

technical field

The invention relates to the technical field of industrial pumps, in particular to an industrial pump with a safety protection mechanism.

Background technique

A pump is a machine that transports fluid or pressurizes the fluid. It transmits the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. The pump is mainly used to transport water, oil, acid and alkali, emulsion, suspoemulsion and Liquids such as liquid metals can also transport liquids, gas mixtures and liquids containing suspended solids, and pumps used in industry are generally referred to as industrial pumps;

During the use of existing industrial pumps, the stability of industrial pumps will be affected due to the uncertainty of the working environment, the ambiguity of the liquid to be transported, or the long-term operation. The existing industrial pumps are prone to blockage, Unstable connection and other conditions make it easy for unknown objects to block the water inlet and affect the transportation. Secondly, due to the high transmission efficiency of industrial pumps, it is easy to cause more problems due to large vibrations, that is, to monitor and solve problems during the operation of industrial pumps. The problem becomes extremely important.

Contents of the invention

The purpose of the present invention is to provide an industrial pump with a safety protection mechanism to solve the following technical problems:

The existing industrial pumps are prone to blockage and unstable connection during use, which makes it easy for unknown objects to block the water inlet and affect the transportation. many questions.

The purpose of the present invention can be achieved through the following technical solutions:

An industrial pump with a safety protection mechanism, including a casing and a pump body, one end of the casing is provided with a port box, the pump body is located inside the casing, and the water inlet and outlet ends of the pump body are set at the ports Inside the box, the top of the port box is provided with an electric control box, the bottom of the port box is provided with a level, and the bottom of the box is provided with a shock absorbing assembly.

As a further solution of the present invention: the water inlet includes a water inlet, the inside of the water inlet is provided with an inlet filter plate and a front flow measuring frame, and a front vane is arranged between the inlet filter plate and the front flow measuring frame shaft, the front blade shaft is provided with an inlet turbine, the inlet filter plate is provided with a front filter screen, and the front flow measuring frame is provided with an inlet water flowmeter.

As a further solution of the present invention: the water outlet includes a water outlet, and the inside of the water outlet is provided with a filter plate and a rear flow measurement frame, and a rear blade shaft is installed between the filter plate and the rear flow measurement frame. , a water outlet turbine is arranged on the rear blade shaft, and a water outlet flowmeter is arranged on the rear flow measuring frame.

As a further solution of the present invention: the shock absorbing assembly includes a base, and a plurality of limit rods are arranged in a rectangular array inside the base, and buffer springs and limit blocks are sleeved on the limit rods, and the base A base is slidably provided on the upper side, and a plurality of limiting holes are arranged in a rectangular array below the base, and a first acceleration sensor and a second acceleration sensor are respectively provided on both sides of the bottom of the base.

As a further solution of the present invention: two ends of the port box are symmetrically provided with connecting screw holes.

As a further solution of the present invention: a processor is installed inside the electric control box, the processor includes an acquisition module, an analysis module and a processing module, the processor and a level meter, an inlet water flowmeter, an outlet water flowmeter, a first acceleration sensor and The second acceleration sensors are all connected by wires.

As a further solution of the present invention: the collection module is used to collect the basic information of the level meter, the water inlet flowmeter, the water outlet flowmeter, the first acceleration sensor and the second acceleration sensor, and the specific steps are:

Step A1: Collect and mark the level information of the level meter to obtain the level value S of the pump body;

Step A2: collect the water flow velocity information of the water inlet flowmeter and the water outlet flowmeter, and mark each information value, and use the formula Lc=L2-L1 to obtain the water flow velocity deviation value between the water outlet end and the water inlet end in the pump, Among them, L2 is the water flow value, and L1 is the water flow value;

Step A3: Collect the amplitude information of the first acceleration sensor and the second acceleration sensor in the running state, and mark the amplitude information at each time point during the running process to obtain the first amplitude value Z1 and the second amplitude value Z2.

As a further solution of the present invention: the specific steps of the analysis module are:

Step B1: Obtain the level value S, water velocity deviation value Lc, first amplitude value Z1 and second amplitude value Z2 in the acquisition module;

Step B2: Extract the horizontal basic value S0, the horizontal deviation range value Sf and the water flow velocity deviation active value L0, generate an amplitude image based on the time images of the first amplitude value Z1 and the second amplitude value Z2, and obtain the amplitude period of the first amplitude value Z1 T1 and deviation from the maximum value D1, obtaining the amplitude period T2 of the second amplitude value Z2 and the deviation from the maximum value D2;

Step B3: Judging whether the pump body is in a normal operating state during the operation of the pump. The specific method is that when |S-S0|≤Sf, the pump is operating in a normal state, and when |S-S0| belongs to abnormal state one;

Judging whether the efficiency of the pump is in the normal operation state during the operation of the pump. The specific method is that when |Lc| normal state two;

Judging whether the vibration on both sides of the pump body is in a resonance state during the operation of the pump, the specific method is, when T1=T2, and the time point when the first amplitude value Z1 deviates from the maximum value D1 in the same cycle and the second amplitude value When the time points where Z2 deviates from the maximum value D2 coincide, the pump body is in an abnormal operating state.

As a further solution of the present invention: the processing module is used to obtain the abnormal state in the judgment result of the processing module, and to provide processing prompts to the maintenance personnel. The specific steps are: when obtaining abnormal state 1 and abnormal state 2, then notify The staff performs maintenance inspection and processing; when the abnormal state 3 is obtained, the operation of the pump body is immediately stopped, and then the staff is notified to perform maintenance inspection and processing.

Beneficial effects of the present invention:

(1) In the present invention, the water inlet flowmeter and the water outlet flowmeter are respectively set on the water inlet end and the water outlet end of the industrial pump, a level is set at the bottom of the port box, and the first acceleration sensor and the second acceleration sensor are set at the bottom of the base. The second acceleration sensor analyzes and processes through the processor, and judges whether the operation status of the industrial pump is normal, so that if an abnormal situation occurs when the industrial pump is working, it can be monitored in time and fed back to the staff for maintenance and inspection. Due to small problems in the process of using industrial pumps, they become irreversible big problems, which affect the use;

(2) In the present invention, an inlet filter plate and an outlet filter plate are respectively arranged in the water inlet end and the water outlet end of the industrial pump, which can avoid the situation that the industrial pump is blocked by pollutants or other impurities, and can also avoid pollution The impact of objects on the water inlet turbine and the water outlet turbine can prevent the inaccurate measurement of the water inlet flowmeter and the water outlet flowmeter;

(3) In the present invention, a shock-absorbing assembly is provided at the bottom of the industrial pump. Since the water inlet and the water outlet of the industrial pump are rigidly connected when in use, during the operation of the pump, due to the action of the pump body, Vibration will be generated, and it is easy to have an irreversible impact on the industrial pump. Adding shock absorbing components can avoid irreversible problems of the industrial pump due to vibration during operation.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a schematic diagram of the connection structure between the pump body and the port box in the present invention;

Fig. 3 is a schematic cross-sectional view of the connection structure between the damping assembly and the port box in the present invention;

Fig. 4 is a schematic cross-sectional view of the top view structure of the shock absorbing assembly in the present invention;

Fig. 5 is a schematic diagram of the side view structure of the port box in the present invention;

Fig. 6 is a schematic diagram of the connection structure between the support rod and the rear flow measuring frame in the present invention;

FIG. 7 is a schematic structural diagram of a processor system in the present invention.

In the figure: 1. Chassis; 11. Pump body; 2. Port box; 20. Connecting screw holes; 21. Spirit level; 22. Electric control box; 3. Water inlet; 30. Water inlet; 31. Water inlet flowmeter ; 32, inlet filter plate; 320, front filter screen; 33, front flow measuring frame; 34, front blade shaft; 35, water inlet turbine; 4, water outlet; 40, water outlet; 41, water outlet flow meter; 42, Outlet filter plate; 43. Rear flow measuring frame; 431. Support rod; 44. Rear blade shaft; 45. Water outlet turbine; 5. Shock absorbing assembly; 51. Base; Limit block; 55, base; 56, limit hole; 57, first acceleration sensor; 58, second acceleration sensor.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-7, the present invention is an industrial pump with a safety protection mechanism, including a cabinet 1 and a pump body 11, one end of the cabinet 1 is provided with a port box 2, and the pump body 11 is located inside the cabinet 1, The water inlet 3 and the water outlet 4 of the pump body 11 are arranged in the port box 2, the top of the port box 2 is provided with an electric control box 22, the bottom of the port box 2 is provided with a level 21, and the bottom of the cabinet 1 is provided with a shock absorber component 5

The water inlet 3 includes a water inlet 30, and the inside of the water inlet 30 is provided with an inlet filter plate 32 and a front flow measuring frame 33, and a front blade shaft 34 is arranged to rotate between the inlet filter plate 32 and the front flow measurement frame 33, and the front blade shaft 34 is provided with a water inlet turbine 35, an inlet filter plate 32 is provided with a front filter screen 320, a water inlet flowmeter 31 is arranged on the front flow measuring frame 33, and the water outlet 4 includes a water outlet 40, and the inside of the water outlet 40 is provided with Out of the filter plate 42 and the rear flow measurement frame 43, a support rod 431 is arranged in the middle of the rear flow measurement frame 43, and a rear leaf shaft 44 is arranged to rotate between the filter plate 42 and the rear flow measurement frame 43, and the rear leaf shaft 44 is provided with There is a water outlet turbine 45, and a water outlet flowmeter 41 is arranged on the rear flow measurement frame 43. An inlet filter plate 32 and an outlet filter plate 42 are respectively arranged in the water inlet end 3 and the water outlet end 4 of the industrial pump, so as to avoid pollutants or other Impurities can block the industrial pump, and can also prevent pollutants from affecting the water inlet turbine 35 and the water outlet turbine 45, and prevent the inaccurate measurement of the water inlet flow meter 31 and the water outlet flow meter 41.

The shock-absorbing assembly 5 includes a base 51. The inside of the base 51 is arranged in a rectangular array with a number of limit rods 52. The limit rods 52 are sleeved with a buffer spring 53 and a limit block 54. The base 51 is slidably provided with a base 55. , the bottom of the base 55 is provided with a number of limit holes 56 in a rectangular array, the bottom sides of the base 55 are respectively provided with a first acceleration sensor 57 and a second acceleration sensor 58, and a shock absorber is provided at the bottom of the industrial pump. Component 5, since the water inlet 30 and the water outlet 40 of the industrial pump are rigidly connected during use, the pump will vibrate due to the action of the pump body 11 during operation, which will easily have an irreversible impact on the industrial pump. Adding the shock absorbing assembly 5 can avoid irreversible problems of the industrial pump due to vibration during operation.

Both ends of the port box 2 are symmetrically provided with connecting screw holes 20 .

The inside of the electric control box 22 is equipped with a processor, and the processor includes an acquisition module, an analysis module and a processing module, and the processor is connected with the level meter 21, the water inlet flow meter 31, the water outlet flow meter 41, the first acceleration sensor 57 and the second acceleration sensor 58 are all connected by wires.

The collection module is used to collect the basic information of the level meter 21, the water inlet flow meter 31, the water outlet flow meter 41, the first acceleration sensor 57 and the second acceleration sensor 58, and the specific steps are:

Step A1: Collect and mark the level information of the level meter 21 to obtain the level value S of the pump body 11;

Step A2: Collect the water flow velocity information of the water inlet flow meter 31 and the water outlet flow meter 41, and mark each information value, and use the formula Lc=L2-L1 to obtain the water flow between the water outlet end 4 and the water inlet end 3 in the pump Speed deviation value, where L2 is the water outlet flow value, and L1 is the water inlet flow value;

Step A3: Collect the amplitude information of the first acceleration sensor 57 and the second acceleration sensor 58 in the running state, and mark the amplitude information at each time point during the running process to obtain the first amplitude value Z1 and the second amplitude value Z2 .

The specific steps to execute the analysis module are as follows:

Step B2: Extract the horizontal basic value S0, the horizontal deviation range value Sf and the water flow velocity deviation active value L0, generate an amplitude image based on the time images of the first amplitude value Z1 and the second amplitude value Z2, and obtain the amplitude cycle of the first amplitude value Z1 T1 and deviation from the maximum value D1, obtaining the amplitude period T2 of the second amplitude value Z2 and the deviation from the maximum value D2;

Step B3: Determine whether the pump body 11 is in a normal operating state during the operation of the pump. The specific method is that when |S-S0|≤Sf, the pump is operating in a normal state, and when |S-S0|>Sf The operation belongs to the abnormal state one;

Judging whether the vibration on both sides of the pump body 11 is in a resonance state during the operation of the pump, the specific method is, when T1=T2, and the time point when the first amplitude value Z1 deviates from the maximum value D1 in the same cycle and the second amplitude value Z1 When the time point when the value Z2 deviates from the maximum value D2 coincides, the pump body 11 is in abnormal operation state three.

The processing module is used to obtain the abnormal state in the judgment result of the processing module, and provide processing reminders to the maintenance personnel. The specific steps are: when abnormal state 1 and abnormal state 2 are obtained, the staff is notified to perform maintenance inspection and processing; When the abnormal state three is obtained, the operation of the pump body 11 is stopped immediately, and then the staff is notified to perform maintenance and inspection.

On the water inlet 3 and the water outlet 4 of the industrial pump, the water inlet flowmeter 31 and the water outlet flowmeter 41 are respectively arranged, the level meter 21 is arranged at the bottom of the port box 2, and the first acceleration sensor 57 and the first acceleration sensor 57 are arranged at the bottom of the base 55. The second acceleration sensor 58 is analyzed and processed by the processor, and judges whether the operating state of the industrial pump is normal, so that if an abnormal situation occurs when the industrial pump is working, it can be monitored in time and fed back to the staff for maintenance and inspection , to prevent industrial pumps from becoming irreversible major problems due to small problems in the process of being used, affecting the use.

During use, the water inlet 3 and the water outlet 4 of the industrial pump are connected with the delivery pipeline through the connecting screw hole 20. During use, there is a front filter screen 320 in the water inlet 3 to filter, and the shock absorbing assembly 5 can The vibration that occurs when the industrial pump is running is damped, and at the same time, the processor is used to analyze and process it, and judge whether the operating state of the industrial pump is normal, so that if the industrial pump is working abnormally, it can be monitored and monitored in time. Feedback to the staff for maintenance inspection.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience The present invention is described and the simplified description does not indicate or imply that the device or element referred to must have a specific orientation, as well as a specific orientation configuration and operation, and therefore, should not be construed as limiting the present invention. In addition, "first" and "second" are for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

An embodiment of the present invention has been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims

An industrial pump with a safety protection mechanism, comprising a cabinet (1) and a pump body (11), characterized in that a port box (2) is provided at one end of the cabinet (1), and the pump body (11) Located inside the cabinet (1), the water inlet (3) and water outlet (4) of the pump body (11) are set in the port box (2), and the top of the port box (2) is provided with an electric control box (22), the bottom of the port box (2) is provided with a level (21), and the lower part of the case (1) is provided with a shock absorbing assembly (5).
An industrial pump with a safety protection mechanism according to claim 1, characterized in that, the water inlet (3) includes a water inlet (30), and the inside of the water inlet (30) is provided with an inlet filter plate (32) and the front flow measuring frame (33), the front blade shaft (34) is rotated between the inlet filter plate (32) and the front flow measuring frame (33), and the front blade shaft (34) A water inlet turbine (35) is provided, a front filter screen (320) is arranged on the inlet filter plate (32), and an inlet water flowmeter (31) is arranged on the front flow measuring frame (33).
An industrial pump with a safety protection mechanism according to claim 1, characterized in that, the water outlet (4) includes a water outlet (40), and the inside of the water outlet (40) is provided with a filter plate (42) and the back flow frame (43), the rear leaf shaft (44) is rotated between the filter plate (42) and the back flow frame (43), and the rear leaf shaft (44) is set A water outlet turbine (45) is provided, and a water outlet flowmeter (41) is arranged on the rear flow measurement frame (43).
An industrial pump with a safety protection mechanism according to claim 1, characterized in that, the shock absorbing assembly (5) includes a base (51), and the inside of the base (51) is arranged in a rectangular array with several A limit rod (52), the buffer spring (53) and a limit block (54) are sleeved on the limit rod (52), and a base (55) is slidably arranged on the base (51), so The bottom of the base (55) is provided with a number of limiting holes (56) in a rectangular array, and the two sides of the bottom of the base (55) are respectively provided with a first acceleration sensor (57) and a second acceleration sensor (58). ).
An industrial pump with a safety protection mechanism according to claim 1, characterized in that, two ends of the port box (2) are symmetrically provided with connecting screw holes (20).
A kind of industrial pump with safety protection mechanism according to claim 1, it is characterized in that, the interior of described electric control box (22) is equipped with processor, and processor comprises acquisition module, analysis module and processing module, processing The device is connected with the level meter (21), the water inlet flow meter (31), the water outlet flow meter (41), the first acceleration sensor (57) and the second acceleration sensor (58) by wires.
An industrial pump with a safety protection mechanism according to claim 6, wherein the collection module is used to collect the level meter (21), the water inlet flowmeter (31), the water outlet flowmeter (41), the first acceleration The basic information of sensor (57) and the second acceleration sensor (58), concrete steps are:

Step A1: collecting and marking the level information of the level meter (21), and obtaining the level value S of the pump body (11);

Step A2: collect the water flow velocity information of the water inlet flow meter (31) and the water outlet flow meter (41), and mark each information value, and use the formula Lc=L2-L1 to obtain the water outlet end (4) in the pump and the water inlet The deviation value of water flow velocity between terminals (3), wherein L2 is the water outlet flow value, and L1 is the water inlet flow value;

Step A3: collect the amplitude information of the first acceleration sensor (57) and the second acceleration sensor (58) in the running state, and mark the amplitude information at each time point during the running process to obtain the first amplitude value Z1 and the second Two amplitude value Z2.
An industrial pump with a safety protection mechanism according to claim 6, wherein the specific steps for executing the analysis module are:

Step B1: Obtain the level value S, water velocity deviation value Lc, first amplitude value Z1 and second amplitude value Z2 in the acquisition module;

Step B2: Extract the horizontal basic value S0, the horizontal deviation range value Sf and the water flow velocity deviation active value L0, generate an amplitude image based on the time images of the first amplitude value Z1 and the second amplitude value Z2, and obtain the amplitude period of the first amplitude value Z1 T1 and deviation from the maximum value D1, obtaining the amplitude period T2 of the second amplitude value Z2 and the deviation from the maximum value D2;

Step B3: Determine whether the pump body (11) is in a normal operating state during the operation of the pump. The specific method is that when |S-S0|≤Sf, the pump is operating in a normal state, and when |S-S0|>Sf The operation of the pump belongs to the abnormal state one;

Judging whether the efficiency of the pump is in the normal operation state during the operation of the pump. The specific method is that when |Lc| normal state two;

Determine whether the vibration on both sides of the pump body (11) is in a resonance state during the operation of the pump. The specific method is, when T1=T2, and the time point when the first amplitude value Z1 deviates from the maximum value D1 in the same period is the same as the time point when the first amplitude value Z1 deviates from the maximum value D1 When the time points at which the amplitude value Z2 deviates from the maximum value D2 coincide, the pump body (11) is in an abnormal operating state.
An industrial pump with a safety protection mechanism according to claim 6, wherein the processing module is used to obtain the abnormal state in the judgment result of the processing module, and to provide processing prompts to the maintenance personnel, and the specific steps are: when When abnormal state 1 and abnormal state 2 are obtained, the staff is notified to carry out maintenance and inspection processing; when abnormal state 3 is obtained, the operation of the pump body (11) is immediately stopped, and then the staff is notified to perform maintenance inspection and processing .