A device for rapid assembly of centrifugal pump body

Abstract

This invention discloses a device for the rapid assembly of a centrifugal pump body, comprising a mounting plate. The mounting plate is horizontally positioned, with a motor fixedly mounted on one side of its upper surface. A connecting shaft is fixedly connected to the output end of the motor's rotating shaft, and the connecting shaft is fixedly installed within a shaft seat. An elastic separation mechanism is provided at the end of the connecting shaft away from the motor. The pump body is symmetrically mounted on the other side of the motor, with the shaft seat as its center of symmetry. A fixing plate is fixedly mounted at the bottom of the pump body. Due to the adoption of the above technical solution, the technical advancement of this invention compared to the prior art is that: by adding an elastic separation mechanism between the connecting shaft and the pump body, this device achieves a quick-disassembly and installation method for the pump body, saving manpower and resources and facilitating maintenance. Furthermore, the addition of a rotating retractable mechanism to the fixing plate at the bottom of the pump body ensures not only rapid assembly and disassembly of the pump body but also stability of the pump body during operation.

Description

Technical Field

[0001] This invention relates to the field of centrifugal pump technology, and more specifically to a device for the rapid assembly of a centrifugal pump body. Background Technology

[0002] A centrifugal pump is a pump that uses the centrifugal force generated by the rotation of an impeller to transport liquids. Centrifugal pumps are widely used in industries such as power, metallurgy, coal, and building materials to transport slurries containing solid particles. Examples include hydraulic ash removal in thermal power plants, slurry transportation in metallurgical ore dressing plants, and coal slurry and heavy media transportation in coal washing plants. As a widely used type of centrifugal pump, maintenance and upkeep are essential during long-term operation. However, current centrifugal pumps are mostly installed in a fixed position. When a centrifugal pump malfunctions, emergency repairs are often required due to the overly mechanical and complex installation method, resulting in significant time wastage during disassembly. Repeated disassembly and reinstallation after repairs only lead to repeated problems, wasting considerable manpower and resources. Therefore, there is an urgent need to improve the pump body of current centrifugal pumps to facilitate maintenance and upkeep. Summary of the Invention

[0003] The purpose of this invention is to provide a device for the rapid assembly of a centrifugal pump body, so as to solve the problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0005] A device for quick assembly of a centrifugal pump body includes a mounting plate placed horizontally. A motor is fixedly mounted on one side of the upper surface of the mounting plate. A connecting shaft is fixedly connected to the output end of the motor's rotating shaft. The connecting shaft is fixedly installed in a shaft seat. An elastic separation mechanism is provided at the end of the connecting shaft away from the motor. The pump body is symmetrically mounted on the other side of the motor with the shaft seat as the center of symmetry. A fixing plate is fixedly mounted on the bottom of the pump body.

[0006] The elastic separation mechanism consists of a guide rod, a spring, a cross block, and a guide shaft. The guide rod is fixedly installed at the axis of the connecting shaft, the spring is fixedly installed outside the guide rod, the cross block is fixedly installed inside the connecting shaft, and the guide shaft is fixedly installed outside the guide rod and is coaxial with the guide rod.

[0007] Furthermore, the connecting shaft is equipped with a guide rod, one end of which has a receiving groove for the cross block to slide, and a blind hole for placing the spring is provided in the center of the receiving groove.

[0008] Furthermore, the end of the guide shaft that contacts the connecting shaft is provided with a receiving groove that cooperates with the connecting shaft. The receiving groove is provided with a blind hole for accommodating the connecting shaft. The diameter of the blind hole is set to be 5-10mm larger than the maximum diameter of the connecting shaft.

[0009] Furthermore, the depth of the blind hole of the connecting shaft is set to 50cm, the spring is installed at the deepest part of the blind hole, and the spring can reach 80cm when it is not under force. The other end of the spring away from the bottom of the blind hole is set to abut against the side surface of the cross block. The connecting shaft with the blind hole is fixedly installed with a limit ring, and the side of the cross block away from the spring is set to fit against the limit ring.

[0010] Furthermore, a through hole is formed at the center of the cross block, the diameter of which is the same as that of the guide rod, and the four sides of the cross block are respectively fitted into the receiving grooves in the connecting shaft and the guide shaft.

[0011] Furthermore, a rotary locking mechanism is installed at both ends of the fixed plate. The rotary locking mechanism consists of locking rods and limiting rods. The number of locking rods is set to four, which are respectively installed at the four corners of the fixed plate. The number of limiting rods is set to two, which are respectively installed between the locking rods on both sides.

[0012] Furthermore, a horizontal plate is fixedly installed at the bottom of each limiting rod, and an annular flange is formed at the top of each limiting rod. A finger ring is fixedly installed on the upper surface of each annular flange, and the locking rod passes through two finger rings on the same side.

[0013] Furthermore, the four corners of the fixing plate are provided with rectangular grooves for the horizontal plate to pass through, and the mounting plate is provided with rectangular through holes that cooperate with the rectangular grooves of the fixing plate.

[0014] Due to the adoption of the above technical solution, the technical progress achieved by this invention compared to the prior art is as follows:

[0015] I. This device achieves quick-release installation of the pump body by adding an elastic separation mechanism between the connecting shaft and the pump body. This eliminates the need for fixed installation during the centrifugal pump installation process, allowing the pump body to be quickly detached from the connecting shaft for individual maintenance, saving manpower and resources, and facilitating maintenance.

[0016] Second, this device also adds a rotating retracting mechanism to the bottom fixing plate of the pump body, which enables the fixing plate to switch between two states of quick locking and movement. This allows the pump body to be quickly disassembled and assembled, while also ensuring the stability of the pump body during operation. This prevents the pump body from shaking due to its own rotation, making the overall structure more stable, easy to disassemble and assemble, and simple to use. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 for Figure 1 A mirrored three-dimensional diagram;

[0019] Figure 3 This is a bottom-view three-dimensional structural diagram of the present invention;

[0020] Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of A in the middle;

[0021] Figure 5 for Figure 4 A sectional view;

[0022] Figure 6 This is a three-dimensional structural diagram of the locking bar in this invention.

[0023] In the diagram: 1. Mounting plate; 11. Rectangular through hole; 2. Motor; 3. Connecting shaft; 31. Guide rod; 32. Spring; 33. Cross block; 34. Connecting shaft; 35. Limiting ring; 4. Shaft seat; 5. Pump body; 6. Fixing plate; 61. Locking rod; 611. Horizontal plate; 612. Annular flange; 613. Finger ring; 62. Limiting rod. Implementation Method

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example 1: A device for quick assembly of a centrifugal pump body includes a mounting plate 1, which is placed horizontally. A motor 2 is fixedly mounted on one side of the upper surface of the mounting plate 1. A connecting shaft 3 is fixedly connected to the output end of the rotating shaft of the motor 2. The connecting shaft 3 is fixedly installed in a shaft seat 4. An elastic separation mechanism is provided at the end of the connecting shaft 3 away from the motor 2. A pump body 5 is symmetrically mounted on the other side of the motor 2 with the shaft seat 4 as the center of symmetry. A fixing plate 6 is fixedly mounted on the bottom of the pump body 5.

[0026] The elastic separation mechanism consists of a guide rod 31, a spring 32, a cross block 33, and a guide shaft 34. The guide rod 31 is fixedly installed on the axis of the connecting shaft 3, the spring 32 is fixedly installed outside the guide rod 31, the cross block 33 is fixedly installed inside the connecting shaft 3, and the guide shaft 34 is fixedly installed outside the guide rod 31 and is coaxial with the guide rod 31.

[0027] When using this device, first stop the motor 2. After the water stops flowing out of the pump body 5, release the fixing plate 6 and directly move the pump body 5 along the axis of the connecting shaft 3 until the guide shaft 34 is completely detached from the connecting shaft 3. After the pump body 5 is repaired, move the pump body 5 back along the axis of the connecting shaft 3 so that the guide shaft 34 is sleeved on the outside of the connecting shaft 3. Then move the fixing plate 6 back to its original position and fix it again. When the motor 2 is powered on and rotates, it drives the connecting shaft 3. The elastic separation mechanism then drives the guide shaft 34 to rotate, thus restarting the operation of the guide shaft 34. The above is the overall disassembly and assembly process.

[0028] Example 2: The difference between this example and Example 1 is as follows:

[0029] The connecting shaft 3 is equipped with a guide rod 31, one end of which has a receiving groove for sliding the cross block 33. A blind hole for placing the spring 32 is provided in the center of the receiving groove.

[0030] By providing a blind hole inside the connecting shaft 3, the spring 32 can be placed inside the connecting shaft 3.

[0031] The end of the guide shaft 34 that contacts the connecting shaft 3 has a receiving groove that cooperates with the connecting shaft 3. The receiving groove has a blind hole for accommodating the connecting shaft 3. The diameter of the blind hole is 5-10 mm larger than the maximum diameter of the connecting shaft 3.

[0032] During the docking process between the guide shaft 34 and the connecting shaft 3, the diameter of the blind hole inside the guide shaft 34 is larger than that of the connecting shaft 3 to avoid mechanical wear caused by docking errors. This serves to protect the guide shaft 34 and the connecting shaft 3, and at the same time makes it easier for the two shafts to dock with each other, reducing the impact of friction on their entry resistance.

[0033] The depth of the blind hole in the connecting shaft 3 is set to 50cm. The spring 32 is installed at the deepest part of the blind hole. The spring 32 can reach 80cm when it is not under force. The other end of the spring 32 away from the bottom of the blind hole is set to abut against the side surface of the cross block 33. The connecting shaft 3 has a blind hole at one end, and a limit ring 35 is fixedly installed thereon. The side of the cross block 33 away from the spring 32 is set to fit against the limit ring 35.

[0034] The blind hole depth inside the connecting shaft 34 is less than that of the spring 32 in order to force the spring 32 to always be in a compressed state after installation, so as to press against the side surface of the cross block 33. The limiting ring 35 can restrict the movement path of the cross block 33, so that the cross block 33 can only move within the blind hole of the connecting shaft 3.

[0035] The usage method of this embodiment is the same as that of Embodiment 1.

[0036] Example 3: The difference between this example and Example 2 is that a through hole is opened at the center of the cross block 33, the diameter of the through hole is the same as the size of the guide rod 31, and the four sides of the cross block 33 are respectively matched with the receiving grooves in the connecting shaft 3 and the guide shaft 34.

[0037] When the four sides of the cross block 33 are exactly matched with the receiving grooves in the connecting shaft 3 and the guide shaft 34, the four sides of the cross block 33 can be extended from the receiving grooves of the two shafts. If the four sides of the cross block 33 do not match the receiving groove of the guide shaft 34 when the connecting shaft 3 and the guide shaft 34 are connected, the guide shaft 34 can push the cross block 33 to compress the spring 32 to achieve the purpose of pressing the cross block 33.

[0038] The fixed plate 6 is equipped with a rotary locking mechanism at both ends. The rotary locking mechanism consists of locking rods 61 and limiting rods 62. The number of locking rods 61 is set to four and installed at the four corners of the fixed plate 6 respectively. The number of limiting rods 62 is set to two and installed between the locking rods 61 on both sides respectively.

[0039] A horizontal plate 611 is fixedly installed at the bottom of each limiting rod 62, and an annular flange 612 is formed at the top of each limiting rod 62. A finger ring 613 is fixedly installed on the upper surface of each annular flange 612, and the locking rod 61 passes through two finger rings 613 on the same side.

[0040] The usage method of this embodiment is the same as that of embodiment 2.

[0041] Example 4: The difference between this example and Example 3 is that: the four corners of the fixing plate 6 are provided with rectangular grooves for the horizontal plate 611 to pass through, and the mounting plate 1 is provided with rectangular through holes 11 that cooperate with the rectangular grooves of the fixing plate 6.

[0042] The rotary locking mechanism achieves the locking effect of the fixed plate 6 by rotating the locking rod 61. The horizontal plate 611 at the bottom of the locking rod 61 can pass through the rectangular through hole 11 on the fixed plate 6 and the mounting plate 1. When the annular flange 612 is in contact with the upper surface of the fixed plate 6, the locking rod 61 is rotated by the ring 613 so that the horizontal plate 611 and the rectangular through hole 11 are perpendicular to each other. Then, the limiting rod 62 is inserted into the ring 613. At this time, the fixed plate 6 is in the locked state. After the limiting rod 62 is removed and rotated 90 degrees, it is completely removed through the rectangular through hole 11, and the fixed plate 6 can be moved.

[0043] The usage method of this embodiment is the same as that of embodiment 3.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0045] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for quick assembly of a centrifugal pump body, comprising a mounting plate (1), characterized in that: The mounting plate (1) is placed horizontally. A motor (2) is fixedly mounted on one side of the upper surface of the mounting plate (1). A connecting shaft (3) is fixedly connected to the output end of the rotating shaft of the motor (2). The connecting shaft (3) is fixedly installed in the bearing seat (4). An elastic separation mechanism is provided at the end of the connecting shaft (3) away from the motor (2). A pump body (5) is symmetrically mounted on the other side of the motor (2) with the bearing seat (4) as the center of symmetry. A fixing plate (6) is fixedly mounted at the bottom of the pump body (5). The elastic separation mechanism consists of a guide rod (31), a spring (32), a cross block (33), and a guide shaft (34). The guide rod (31) is fixedly installed on the axis of the connecting shaft (3). The spring (32) is fixedly installed outside the guide rod (31). The cross block (33) is fixedly installed inside the connecting shaft (3). The guide shaft (34) is fixedly installed outside the guide rod (31) and is coaxial with the guide rod (31). The connecting shaft (3) is equipped with a guide rod (31) and has a first receiving groove at one end for sliding of the cross block (33). A first blind hole for placing the spring (32) is provided in the center of the first receiving groove. The guide shaft (34) has a second receiving groove at the end that contacts the connecting shaft (3) and cooperates with the connecting shaft (3). The second receiving groove has a second blind hole for accommodating the connecting shaft (3). The diameter of the second blind hole is 5-10 mm larger than the maximum diameter of the connecting shaft (3). The fixed plate (6) is equipped with a rotary locking mechanism at both ends. The rotary locking mechanism consists of a locking rod (61) and a limiting rod (62). The number of locking rods (61) is set to four and installed at the four corners of the fixed plate (6). The number of limiting rods (62) is set to two and installed between the locking rods (61) on both sides. The bottom of each limiting rod (62) is fixedly installed with a horizontal plate (611), the top of each limiting rod (62) is formed with an annular flange (612), and the upper surface of each annular flange (612) is fixedly installed with a finger ring (613). The locking rod (61) passes through two finger rings (613) on the same side. The four corners of the fixing plate (6) are provided with rectangular grooves for the horizontal plate (611) to pass through, and the mounting plate (1) is provided with rectangular through holes (11) that cooperate with the rectangular grooves of the fixing plate (6).

2. The device for rapid assembly of a centrifugal pump body according to claim 1, characterized in that: The first blind hole of the connecting shaft (3) is set to a depth of 50cm. The spring (32) is installed at the deepest part of the first blind hole. The spring (32) can reach 80cm when it is not under force. The other end of the spring (32) away from the bottom of the first blind hole is set against the side surface of the cross block (33). The connecting shaft (3) is provided with a limiting ring (35) fixedly installed at one end of the first blind hole. The side of the cross block (33) away from the spring (32) is set to fit against the limiting ring (35).

3. The device for rapid assembly of a centrifugal pump body according to claim 1 or 2, characterized in that: The cross block (33) has a cross block through hole at its center. The diameter of the cross block through hole is the same as that of the guide rod (31). The four sides of the cross block (33) are respectively matched with the first receiving groove of the connecting shaft (3) and the second receiving groove of the guide shaft (34).

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