Centrifugal pump with safety protection device

Abstract

The utility model relates to the technical field of centrifugal pumps, and discloses a centrifugal pump with a safety protection device, which comprises a first fixing plate, a protection shell fixedly connected onto the first fixing plate, a second fixing plate fixedly connected onto the protection shell, a first servo motor fixedly connected onto the second fixing plate, and a second servo motor fixedly connected onto the second fixing plate. The output end of the first servo motor is fixedly connected with a threaded rod, the threaded rod is in threaded connection with a threaded sleeve block, the threaded sleeve block is fixedly connected with a first connecting rod, the second connecting block is fixedly connected to the protection plate, one side of the protection plate is rotationally connected with a sliding block, one side of the protection shell is provided with a first sliding groove, and the first sliding groove is fixedly connected with the first connecting rod. A sliding block slides on a first sliding groove, drives a rotating shaft to rotate, drives a fourth connecting rod to rotate, enables a fifth connecting rod to push a first fixing plate and a body on the first fixing plate to move upwards, enables a first limiting ring and a second limiting ring to move upwards and slide on a sliding column, in this way, protection on the body can be effectively improved, and protection is more thorough.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with a safety protection device. Background Art

[0002] A centrifugal pump is a device that relies on the centrifugal force generated by the rotation of the impeller to transport liquids. Its main components include the impeller, pump body, pump shaft, bearings, sealing rings and stuffing boxes. The main features of a centrifugal pump include compact structure, wide flow and head range, uniform flow, stable operation, low vibration, and low maintenance and repair costs. This makes centrifugal pumps widely used in industries such as electricity, metallurgy, coal, and building materials to transport slurries containing solid particles.

[0003] The centrifugal pump device still has the following defects when in use: the structure is not stable enough and the protection is not thorough enough. Therefore, it is of great application value to develop a centrifugal pump with a safety protection device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a centrifugal pump with a safety protection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a centrifugal pump with a safety protection device, comprising a fixed plate 1, a protective shell fixedly connected to the fixed plate 1, a fixed plate 2 fixedly connected to the protective shell, a servo motor 1 fixedly connected to the fixed plate 2, a threaded rod fixedly connected to the output end of the servo motor 1, a threaded sleeve block threadedly connected to the threaded rod, a connecting rod 1 fixedly connected to the threaded sleeve, a connecting rod 2 hinged on the connecting rod 1, a connecting block 1 hinged at one end of the connecting rod 2, a protective plate fixedly connected to the connecting block 1, a connecting rod 3 hinged on one side of the protective plate, a connecting block 2 hinged at one end of the connecting rod 3, the connecting block 2 fixedly connected to the protective plate, a slider rotatably connected to one side of the protective plate, a slide groove 1 is provided on one side of the protective shell, and the slider slides on the slide groove 1.

[0006] As a further description of the above technical solution:

[0007] The fixed plate one is slidably connected with a sliding column, the sliding column is slidably connected with a limiting ring one, one end of the limiting ring one is fixedly connected to a limiting ring two, one end of the sliding column is fixedly connected to a supporting plate, a servo motor two is fixedly connected to the supporting plate, an output end of the servo motor two is fixedly connected to a rotating shaft, a fixed plate three is fixedly connected to the supporting plate, the rotating shaft is rotatably connected to the fixed plate three, a connecting rod four is fixedly connected to the rotating shaft, one end of the connecting rod four is hinged to a connecting rod five, one end of the connecting rod five is hinged to a fixed plate four, and the fixed plate four is fixedly connected to the fixed plate one.

[0008] As a further description of the above technical solution:

[0009] A main body is provided on the fixing plate one, a fixing five is fixedly connected to the fixing plate one, a wedge block one is fixedly connected to one side of the main body, a sliding groove two is provided in the fixing five, a wedge block two is slidably connected to the sliding groove two, one end of the wedge block two is fixedly connected to a spring, and one end of the spring is fixedly connected to the fixing five.

[0010] As a further description of the above technical solution:

[0011] The wedge-shaped block one is provided with two groups and is symmetrically arranged, and one side of the wedge-shaped block two is attached to one side of the wedge-shaped block one.

[0012] As a further description of the above technical solution:

[0013] The wedge blocks 2 are provided in two groups, and the springs are provided in two groups.

[0014] As a further description of the above technical solution:

[0015] The first limiting ring is provided with four groups, and the second servo motor is arranged between the first fixing plate and the supporting plate.

[0016] As a further description of the above technical solution:

[0017] The fixing plates three are provided in four groups, and the connecting rods four are provided in two groups and are evenly distributed among the four groups of fixing plates three.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, when the staff puts the main body on the fixed plate one, the staff starts the servo motor one, so that the protective plate can be turned over through the connecting rod three and the slider, so that the protective plate and the protective shell form a closed state, and the staff starts the servo motor two, drives the rotating shaft to rotate, drives the connecting rod four to rotate, so that the connecting rod five pushes the fixed plate one and the main body on the fixed plate one to move upward, so that the limit ring one and the limit ring two move upward and slide on the sliding column, which can effectively increase the protection of the main body and make the protection more thorough.

[0020] 2. In the utility model, when the staff puts the main body on the fixed plate one, the one side of the wedge-shaped block one provided on the main body squeezes the one side of the wedge-shaped block two provided on the fixed plate five, and the wedge-shaped block two squeezes the spring to shrink the wedge-shaped block two, so that the wedge-shaped block one on the main body slides downward, and the wedge-shaped block one slides under the wedge-shaped block two, thereby fixing the main body and effectively preventing the main body from shaking during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a centrifugal pump with a safety protection device proposed by the utility model;

[0022] Figure 2 A schematic diagram of the structure of a centrifugal pump with a safety protection device proposed in the utility model Figure 1 ;

[0023] Figure 3 A schematic diagram of the structure of a centrifugal pump with a safety protection device proposed in the utility model Figure 2 ;

[0024] Figure 4 The utility model is a partial structural schematic diagram of a centrifugal pump with a safety protection device.

[0025] Legend:

[0026] 1. Fixed plate 1; 2. Protective shell; 3. Fixed plate 2; 4. Servo motor 1; 5. Threaded rod; 6. Threaded sleeve; 7. Connecting rod 1; 8. Connecting rod 2; 9. Connecting block 1; 10. Protective plate; 12. Connecting rod 3; 13. Connecting block 2; 14. Slider; 15. Slide 1; 16. Sliding column; 17. Limiting ring 1; 18. Limiting ring 2; 19. Support plate; 20. Servo motor 2; 21. Rotating shaft; 22. Fixed plate 3; 23. Connecting rod 4; 24. Connecting rod 5; 25. Fixed plate 4; 26. Main body; 27. Fixing rod 5; 28. Wedge block 1; 29. ​​Slide 2; 30. Spring; 31. Wedge block 2. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-Figure 4 The utility model provides an embodiment: a centrifugal pump with a safety protection device, including a fixing plate 1, a protective shell 2 is fixedly connected to the fixing plate 1, a fixing plate 2 3 is fixedly connected to the protective shell 2, a servo motor 4 is fixedly connected to the fixing plate 2 3, a threaded rod 5 is fixedly connected to the output end of the servo motor 4, a threaded sleeve 6 is threadedly connected to the threaded rod 5, a connecting rod 1 7 is fixedly connected to the threaded sleeve 6, a connecting rod 2 8 is hinged to the connecting rod 1 7, a connecting rod 2 8 is hinged to one end of the connecting rod 2 8, a connecting block 1 9 is fixedly connected to the connecting block 1 9, a protective plate 10 is fixedly connected to one side of the protective plate 10, a connecting rod 3 12 is hinged to one end of the connecting rod 3 12, a connecting block 2 13 is hinged to one end of the connecting rod 3 12, and the connecting block 2 13 is fixedly connected to the protective plate 10, One side of the protective plate 10 is rotatably connected to a slider 14, and one side of the protective shell 2 is provided with a slide groove 15, and the slider 14 slides on the slide groove 15. When the staff puts the main body 26 on the fixed plate 1, the staff starts the servo motor 14 to make the protective plate 10 flip through the connecting rod 3 12 and the slider 14, so that the protective plate 10 and the protective shell 2 form a closed state. The staff starts the servo motor 20 to drive the rotating shaft 21 to rotate, and drives the connecting rod 4 23 to rotate, so that the connecting rod 5 24 pushes the fixed plate 1 and the main body 26 on the fixed plate 1 to move upward, so that the limit ring 17 and the limit ring 2 18 move upward and slide on the slide column 16, so that the protection of the main body 26 can be effectively increased and the protection is more thorough.

[0029] The fixed plate 1 is slidably connected with a sliding column 16, and the sliding column 16 is slidably connected with a limiting ring 17, one end of the limiting ring 17 is fixedly connected with a limiting ring 2 18, one end of the sliding column 16 is fixedly connected with a supporting plate 19, and a servo motor 20 is fixedly connected to the supporting plate 19, and a rotating shaft 21 is fixedly connected to the output end of the servo motor 20, and a fixed plate 3 22 is fixedly connected to the supporting plate 19, and the rotating shaft 21 is rotatably connected to the fixed plate 3 22, and the rotating shaft 21 is fixedly connected to the rotating shaft 21. A connecting rod 23 is fixedly connected, one end of the connecting rod 23 is hinged with a connecting rod 24, one end of the connecting rod 24 is hinged with a fixing plate 25, the fixing plate 25 is fixedly connected to the fixing plate 1, a body 26 is provided on the fixing plate 1, a fixing plate 27 is fixedly connected to the fixing plate 1, a wedge block 28 is fixedly connected to one side of the body 26, a slide groove 29 is provided in the fixing plate 27, a wedge block 21 is slidably connected to the slide groove 21, and a wedge block 21 is fixedly connected to the wedge block 21. The end is fixedly connected with a spring 30, one end of the spring 30 is fixedly connected to the fixing plate 5 27, the wedge block 1 28 is provided with two groups and is symmetrically arranged, one side of the wedge block 2 31 is attached to one side of the wedge block 1 28, the wedge block 2 31 is provided with two groups, the spring 30 is provided with two groups, the limit ring 1 17 is provided with four groups, the servo motor 20 is provided between the fixing plate 1 1 and the support plate 19, the fixing plate 3 22 is provided with four groups, and the connecting rod 4 23 is provided with two groups and is evenly distributed on the four groups of fixing plates 3 2 2, when the staff puts the body 26 on the fixing plate 1, the side of the wedge block 1 28 provided on the body 26 squeezes the side of the wedge block 2 31 provided on the fixing plate 5 27, and the wedge block 2 31 squeezes the spring 30 to shrink the wedge block 2 31, so that the wedge block 1 28 on the body 26 slides downward and slides to the bottom of the wedge block 2 31, thereby fixing the body 26 and effectively preventing the body 26 from shaking during operation.

[0030] Working principle: When the staff puts the body 26 on the fixing plate 1, the wedge block 1 28 provided on the body 26 squeezes the side of the wedge block 2 31 provided on the fixing plate 5, and the wedge block 2 31 squeezes the spring 30 to shrink the wedge block 2 31, so that the wedge block 28 on the body 26 slides downward, and the wedge block 1 28 slides under the wedge block 2 31, so as to fix the body 26, which can effectively prevent the body 26 from shaking during work. At this time, the staff starts the servo motor 1 4, drives the threaded rod 5 to rotate, drives the threaded sleeve block 6 to slide upward, and makes the connecting rod 2 8 drive the protective plate 10 on one side of the connecting block 9 to move, so that the protective plate 10 passes The connecting rod three 12 and the slider 14 form a flipping motion, so that the protective plate 10 and the protective shell 2 form a closed state. When the staff wants to open the protective plate 10, the servo motor 14 is started to drive the threaded sleeve 6 to slide downward, and drive the protective plate 10 to flip into the protective shell 2, so that the protective plate 10 is opened on the basis of the protective shell 2. The staff starts the servo motor 20, drives the rotating shaft 21 to rotate, drives the connecting rod four 23 to rotate, and drives the connecting rod five 24 to move, so that the connecting rod five 24 pushes the fixed plate 1 to move upward, so that the limit ring 17 and the limit ring 2 18 move upward and slide on the sliding column 16, which can effectively increase the protection of the main body 26 and make the protection more thorough.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A centrifugal pump with a safety protection device, comprising a fixing plate (1), characterized in that: The fixing plate 1 (1) is fixedly connected to a protective shell (2), the protective shell (2) is fixedly connected to a fixing plate 2 (3), the fixing plate 2 (3) is fixedly connected to a servo motor 1 (4), the output end of the servo motor 1 (4) is fixedly connected to a threaded rod (5), the threaded rod (5) is threadedly connected to a threaded sleeve (6), the threaded sleeve (6) is fixedly connected to a connecting rod 1 (7), the connecting rod 1 (7) is hinged to a connecting rod 2 (8), one end of the connecting rod 2 (8) A connecting block (9) is hingedly connected, a protective plate (10) is fixedly connected to the connecting block (9), a connecting rod (12) is hingedly connected to one side of the protective plate (10), one end of the connecting rod (12) is hingedly connected to a connecting block (13), the connecting block (13) is fixedly connected to the protective plate (10), a sliding block (14) is rotatably connected to one side of the protective plate (10), a sliding groove (15) is provided on one side of the protective shell (2), and the sliding block (14) slides on the sliding groove (15).

2. A centrifugal pump with a safety protection device according to claim 1, characterized in that: The fixed plate 1 (1) is slidably connected with a sliding column (16), the sliding column (16) is slidably connected with a limiting ring 1 (17), one end of the limiting ring 1 (17) is fixedly connected with a limiting ring 2 (18), one end of the sliding column (16) is fixedly connected with a support plate (19), the support plate (19) is fixedly connected with a servo motor 2 (20), the output end of the servo motor 2 (20) is fixedly connected with a rotating shaft (21), the support plate (19) is fixedly connected with a fixed plate 3 (22), the rotating shaft (21) is rotatably connected to the fixed plate 3 (22), the rotating shaft (21) is fixedly connected with a connecting rod 4 (23), one end of the connecting rod 4 (23) is hinged with a connecting rod 5 (24), one end of the connecting rod 5 (24) is hinged with a fixed plate 4 (25), and the fixed plate 4 (25) is fixedly connected to the fixed plate 1 (1).

3. A centrifugal pump with a safety protection device according to claim 2, characterized in that: The fixing plate 1 (1) is provided with a body (26), the fixing plate 1 (1) is fixedly connected with a fixing member 5 (27), one side of the body (26) is fixedly connected with a wedge block 1 (28), a sliding groove 2 (29) is provided inside the fixing member 5 (27), a wedge block 2 (31) is slidably connected to the sliding groove 2 (29), one end of the wedge block 2 (31) is fixedly connected with a spring (30), and one end of the spring (30) is fixedly connected to the fixing member 5 (27).

4. A centrifugal pump with a safety protection device according to claim 3, characterized in that: The wedge-shaped block 1 (28) is provided with two groups and is symmetrically arranged, and one side of the wedge-shaped block 2 (31) is attached to one side of the wedge-shaped block 1 (28).

5. A centrifugal pump with a safety protection device according to claim 4, characterized in that: The wedge-shaped blocks (31) are provided in two groups, and the springs (30) are provided in two groups.

6. A centrifugal pump with a safety protection device according to claim 5, characterized in that: The first limiting ring (17) is provided with four groups, and the second servo motor (20) is provided between the first fixing plate (1) and the supporting plate (19).

7. A centrifugal pump with a safety protection device according to claim 6, characterized in that: The fixing plates three (22) are provided in four groups, and the connecting rods four (23) are provided in two groups and are evenly distributed among the four groups of fixing plates three (22).

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