A rotor device and a delivery pump

Abstract

The utility model belongs to the technical field of delivery pump rotor, disclose a rotor device and delivery pump, including two interval settings end plate structure, set up in two end plate structure between multiple vane and reinforcing component, one end plate structure in two end plate structure has opened the suction inlet, the both sides of multiple vane are connected two end plate structures respectively, and along the circumferential interval distribution of end plate structure, multiple interlaminar flow passages are formed between multiple vane, and one end of multiple interlaminar flow passages is connected with suction inlet, reinforcing component includes multiple reinforcing blocks, multiple reinforcing blocks connect the outer edge of end plate structure, and along the circumferential abutment setting of end plate structure. By setting up multiple reinforcing blocks, reinforcing block sets up the outer edge of end plate structure, when the particle in material impacts reinforcing block, even if part reinforcing block appears crack, crack also cannot spread to adjacent reinforcing block, avoid crack spread and lead to rotor too fast failure.

Description

Technical Field

[0001] This utility model relates to the field of conveying pump rotor technology, specifically to a rotor device and a conveying pump. Background Technology

[0002] The transfer pump includes a pump body and a rotor. The rotor is rotatably built into the pump body. The rotating rotor draws in slurry and pumps the slurry out of the pump body.

[0003] A rotor typically includes two end plates and multiple blades disposed between the two end plates. The blades are connected to the two end plates on both sides. When the end plates are impacted by particles in the slurry, cracks will appear on the end plates.

[0004] Because the end plate is a single piece, when material impacts the end plate, cracks appear at the edge. As the material continues to impact, the cracks gradually spread, causing the impeller to fail too quickly. Utility Model Content

[0005] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and propose a rotor device and a delivery pump to solve the technical problem that cracks on the edge of the end plate gradually spread in the prior art.

[0006] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution: In a first aspect, this utility model provides a rotor device, comprising: Two spaced-apart end plate structures, one of which has an intake port; Multiple blades are disposed between the two endplate structures, with each blade connected to one of the two endplate structures on both sides and spaced circumferentially along the endplate structures. Multiple inter-blade flow channels are formed between the blades, and one end of each inter-blade flow channel is connected to the suction inlet. The reinforcing component includes multiple reinforcing blocks, which are connected to the outer edge of the end plate structure and are sequentially abutted against each other along the circumference of the end plate structure.

[0007] In one embodiment, a plurality of the reinforcing blocks are distributed between two adjacent blades, and the wear resistance of the reinforcing blocks is higher than the wear resistance of the end plate structure.

[0008] In one embodiment, the end plate structure includes a flow plate, a cover, and a first metal frame. The flow plate is connected to the blade, the cover is disposed on the side of the flow plate away from the blade, and the first metal frame is disposed between the flow plate and the cover, and connects the flow plate and the cover.

[0009] In one embodiment, the reinforcing block is snapped into the first metal frame.

[0010] In one embodiment, a first snap-fit ​​structure is formed on the outer edge of the first metal frame, and the first snap-fit ​​structure is arranged along the circumference of the flow plate. The reinforcing block has a second snap-fit ​​structure, which snaps the reinforcing block to the first snap-fit ​​structure, and the reinforcing block can slide relative to the first snap-fit ​​structure along the circumference of the flow plate.

[0011] In one embodiment, both the flow plate and the outer edge of the cover are provided with notches, and the reinforcing blocks are provided at the notches. Among the plurality of reinforcing blocks, the two reinforcing blocks located at both ends respectively abut against the two opposite inner walls of the notches.

[0012] In one embodiment, the cover includes a plurality of cover plates arranged circumferentially along the flow plate and adjacent cover plates abutting each other. The cover plates are connected to the first metal frame, and some of the cover plates form the notch.

[0013] In one embodiment, a flow channel is formed between the cover plate and the adjacent cover plate. The flow channel is located away from the inlet, and the cross-sectional size of the flow channel gradually increases and then gradually decreases. The end of the flow channel near the inlet is closed, and the side away from the inlet is open.

[0014] In one embodiment, the rotor device further includes an adhesive layer disposed between the flow plate and the first metal frame, between the cover and the first metal frame, and between the first snap-fit ​​structure and the second snap-fit ​​structure.

[0015] Secondly, this utility model also provides a delivery pump, including the rotor device described above.

[0016] Compared with the prior art, the rotor edge reinforcement structure and conveying pump provided by this utility model, by setting multiple reinforcing blocks, which are set on the outer edge of the end plate structure, when particles in the material hit the reinforcing blocks, even if some reinforcing blocks crack, the cracks cannot spread to adjacent reinforcing blocks, thus avoiding the rotor failure caused by crack propagation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the rotor device provided in one embodiment of the present invention; Figure 2 This is a cross-sectional view of a partial structure of a rotor device provided in an embodiment of this utility model; Figure 3 yes Figure 2 A magnified view of a portion of point A in the middle.

[0018] Explanation of reference numerals in the attached figures: End plate structure 1; suction port 1a; flow plate 11; cover 12; notch 12a; flow channel 12b; cover plate 121; first metal frame 13; first snap-fit ​​structure 13a; 2 blades; 2a interbladder channel; Reinforcing component 3; reinforcing block 31; second snap-fit ​​structure 31a; Second metal frame 4; Adhesive layer 5. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] To address the technical problem of cracks gradually spreading after they appear at the edge of the end plate, this invention provides a rotor device and a delivery pump that can prevent the rotor from failing due to the gradual spread of cracks.

[0021] It should be noted that the rotor device described in this utility model is used in, but not limited to, delivery pumps, etc. For ease of explanation, this utility model only uses the application of the rotor device in a delivery pump as an example for explanation. The principle of the rotor device applied to other types of equipment is essentially the same as that applied to a delivery pump, and will not be described in detail here.

[0022] Please see Figure 1 , Figure 1 This is a schematic diagram of the rotor device in one embodiment of the present invention. The rotor device includes two spaced-apart end plate structures 1, a plurality of blades 2 disposed between the two end plate structures 1, and a reinforcing assembly 3. One of the end plate structures 1 has an intake port 1a. The plurality of blades 2 are disposed between the two end plate structures 1. The two sides of the plurality of blades 2 are respectively connected to the two end plate structures 1 and are distributed at intervals along the circumference of the end plate structures 1. A plurality of inter-blade flow channels 2a are formed between the plurality of blades 2. One end of each of the plurality of inter-blade flow channels 2a is connected to the intake port 1a. The reinforcing assembly 3 includes a plurality of reinforcing blocks 31. The plurality of reinforcing blocks 31 are connected to the outer edge of the end plate structure 1 and are sequentially abutted along the circumference of the end plate structure 1.

[0023] In this application, by setting multiple reinforcing blocks 31, which are located on the outer edge of the end plate structure 1, when particles in the material collide with the reinforcing blocks 31, even if some reinforcing blocks 31 crack, the cracks cannot spread to adjacent reinforcing blocks 31, thus avoiding the spread of cracks that could cause the rotor to fail too quickly.

[0024] In the rotor assembly, the structural strength at the connection between the blade 2 and the end plate structure 1 is higher than that of the suspended part of the end plate structure 1. The suspended part of the end plate structure 1 is a weak point. Therefore, in one embodiment, multiple reinforcing blocks 31 are distributed between two adjacent blades 2, and the wear resistance of the reinforcing blocks 31 is higher than that of the end plate structure 1.

[0025] In this embodiment, by placing the reinforcing block 31 between the two blades 2, the reinforcing block 31 can strengthen the suspended part of the end plate structure 1 and the weak part of the end plate structure 1. At the same time, since the wear resistance of the reinforcing block 31 is higher than that of the end plate structure 1, it can strengthen the wear resistance of the suspended part of the end plate structure 1.

[0026] It should be understood that the reinforcing block 31 can be made of silicon carbide ceramic, boron carbide ceramic, zirconium oxide ceramic, etc.

[0027] It should be understood that the number of reinforcement components 3 can be one, two, or more, specifically, such as Figure 1 As shown, in one embodiment, there are multiple reinforcing components 3, and the multiple reinforcing components 3 and multiple blades 2 are alternately distributed along the circumference of the end plate structure 1.

[0028] Multiple reinforcing components 3 can reinforce each suspended section of the end plate structure 1.

[0029] It should be understood that end plate structure 1 can be a single end plate, or a disc-shaped or ring-shaped structure formed by combining multiple structures. Specifically, such as... Figure 2 As shown, in one embodiment, the end plate structure 1 includes a flow plate 11, a cover 12 and a first metal frame 13. The flow plate 11 is connected to the blade 2. The cover 12 is disposed on the side of the flow plate 11 away from the blade 2. The first metal frame 13 is disposed between the flow plate 11 and the cover 12 and connects the flow plate 11 and the cover 12.

[0030] In this embodiment, the end plate structure 1 is divided into a flow plate 11, a cover plate 121 and a first metal frame 13. The first metal frame 13 is disposed between the flow plate 11 and the cover plate 121. The first metal frame 13 can strengthen the end plate structure 1 and enhance its impact resistance and toughness.

[0031] It should be understood that, in order to connect the first metal frames 13 of the two end plate structures 1 so that the metal frames form a whole, in one embodiment, as follows: Figure 2 As shown, the rotor device also includes a second metal frame 4, which is embedded in the blade 2 and connected to two first metal frames 13.

[0032] By setting a second metal frame 4, which is connected to the two first metal frames 13, the two first metal frames 13 and the second metal frame 4 form a whole, allowing the force on the rotor to be transmitted and distributed through the whole first metal frame 13 and the second metal frame 4. The second metal frame 4 and the two first metal frames 13 can be connected by welding, snap-fitting, screw connection or other methods.

[0033] It should be understood that the reinforcing block 31 and the end plate structure 1 can be connected by means of adhesive bonding, snap-fitting, screw connection, etc., such as... Figure 2 and Figure 3 As shown, in one embodiment, the reinforcing block 31 is snapped into the first metal frame 13.

[0034] In this embodiment, the reinforcing block 31 can be installed on the first metal frame 13 by snap-fit, so as to achieve a fixed connection between the first metal frame 13 and the reinforcing block 31.

[0035] It should be understood that the first snap-fit ​​structure 13a can be a snap-fit, an outwardly protruding snap-fit ​​block, a snap-fit ​​groove, etc., specifically, such as Figure 2 and Figure 3 As shown, in one embodiment, a first snap-fit ​​structure 13a is formed on the outer edge of the first metal frame 13, and the first snap-fit ​​structure 13a is arranged along the circumferential direction of the flow plate 11; a second snap-fit ​​structure 31a is formed on the reinforcing block 31, and the reinforcing block 31 is snapped with the first snap-fit ​​structure 13a through the second snap-fit ​​structure 31a, and the reinforcing block 31 can slide relative to the first snap-fit ​​structure 13a along the circumferential direction of the flow plate 11.

[0036] In this embodiment, the first metal frame 13 and the reinforcing block 31 are connected by the first snap-fit ​​structure 13a. When installing the reinforcing block 31, the reinforcing block 31 is sleeved on the first snap-fit ​​structure 13a along the circumference of the flow plate 11 and slid. Multiple reinforcing blocks 31 are slidably snapped onto the first snap-fit ​​structure 13a in sequence, thereby realizing the installation of the reinforcing block 31 on the end plate structure 1.

[0037] To prevent the reinforcing block 31 from sliding circumferentially along the end plate structure 1 after installation, therefore, as follows: Figure 1As shown, in one embodiment, notches 12a are provided at the outer edges of the flow plate 11 and the cover 12, and reinforcing blocks 31 are provided at the notches 12a. Among the multiple reinforcing blocks 31, the two reinforcing blocks 31 located at both ends respectively abut against the two opposite inner walls of the notches 12a.

[0038] In this embodiment, after the reinforcing block 31 is fitted onto the metal frame, the cover 12 is connected to the metal frame. The notch 12a of the cover 12 and the flow plate 11 can limit the sliding of the reinforcing block 31 along the circumferential direction of the end plate structure 1, so as to prevent the reinforcing block 31 from sliding relative to the end plate structure 1.

[0039] It should be understood that the notch 12a can be opened in the flow plate 11, or in the cover 12, or in both the cover 12 and the flow plate 11.

[0040] It should be understood that the cover 12 can be a single structure or formed by splicing together multiple parts, specifically, such as Figure 1 As shown, in one embodiment, the cover 12 includes a plurality of cover plates 121 arranged circumferentially along the flow plate 11, and adjacent cover plates 121 abut against each other. Among the plurality of cover plates 121, some cover plates 121 form notches 12a.

[0041] In this embodiment, multiple cover plates 121 are spliced ​​together to form a cover body 12. By splicing multiple relatively small cover plates 121, a large-sized cover body 12 can be processed, which facilitates the scaling up of the impeller size. The notch 12a of the cover plate 121 can fix the position of the reinforcing block 31 along the circumferential direction of the cover body 12.

[0042] It should be understood that in order for the second snap-fit ​​structure 31a of the reinforcing block 31 to be slidably fitted onto the first snap-fit ​​structure 13a, a gap needs to be reserved between the inner wall of the end of the first snap-fit ​​structure 13a and the notch 12a, so that the reinforcing block 31 can be inserted between the inner wall of the end of the first snap-fit ​​structure 13a and the notch 12a. Then, the reinforcing block 31 is slid so that multiple reinforcing blocks 31 are sequentially fitted onto the first snap-fit ​​structure 13a of the first metal frame 13, and the reinforcing block 31 located at the notch 12a is fitted onto the outer edge of the first metal frame 13 via the second snap-fit ​​structure 31a. At the same time, it is fixedly connected to the first metal frame 13, the cover 12 and the flow plate 11 by adhesive.

[0043] During rotor operation, a small amount of fluid will enter between the cover plate 121 and the volute. If the fluid remains between the cover plate 121 and the volute for a prolonged period, the particles in the fluid will wear down the cover plate 121 and the volute. Therefore, if... Figure 1As shown, in one embodiment, the cover plate 121 is formed with a flow channel 12b between it and the adjacent cover plate 121. The flow channel 12b is in a direction away from the suction port 1a. The cross-sectional size of the flow channel 12b first gradually increases and then gradually decreases. The end of the flow channel 12b near the suction port 1a is closed and the side away from the suction port 1a is open.

[0044] In this embodiment, by setting a flow channel 12b, when the fluid enters between the cover plate 121 and the volute, the fluid enters the flow channel 12b of the rotating rotor. Under the action of the centrifugal force of the rotor, the fluid in the flow channel 12b is discharged, thus preventing the fluid from staying between the cover plate 121 and the turbine.

[0045] To strengthen the connection between the flow plate 11, the first metal frame 13, the cover 12, and the reinforcing block 31, for this purpose, as follows: Figure 2 and Figure 3 As shown, in one embodiment, the rotor device further includes an adhesive layer 5, which is disposed between the flow plate 11 and the first metal frame 13, between the cover 12 and the first metal frame 13, and between the first snap-fit ​​structure 13a and the second snap-fit ​​structure 31a.

[0046] In this embodiment, by setting an adhesive layer 5, the first metal frame 13, the cover 12, the reinforcing block 31 and the flow plate 11 are connected to form a whole, thereby realizing the fixed connection of the structure on the rotor. At the same time, the adhesive layer 5 fills the gap between adjacent reinforcing blocks 31.

[0047] It should be understood that the adhesive layer 5 can be formed by curing an epoxy resin adhesive, a resin-silicon carbide sand adhesive, or other adhesives.

[0048] Secondly, this utility model also provides a delivery pump, including the rotor device described above.

[0049] In addition, the delivery pump of this invention may also include other components and parts known in the prior art to achieve the necessary functions of the delivery pump.

[0050] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A rotor device, characterized in that, include: Two spaced-apart end plate structures, one of which has an intake port; Multiple blades are disposed between the two endplate structures, with each blade connected to one of the two endplate structures on both sides and spaced circumferentially along the endplate structures. Multiple inter-blade flow channels are formed between the blades, and one end of each inter-blade flow channel is connected to the suction inlet. The reinforcing component includes multiple reinforcing blocks, which are connected to the outer edge of the end plate structure and are sequentially abutted against each other along the circumference of the end plate structure.

2. The rotor device according to claim 1, characterized in that, Multiple reinforcing blocks are distributed between two adjacent blades, and the wear resistance of the reinforcing blocks is higher than that of the end plate structure.

3. The rotor device according to claim 1, characterized in that, The end plate structure includes a flow plate, a cover, and a first metal frame. The flow plate is connected to the blade, the cover is disposed on the side of the flow plate away from the blade, and the first metal frame is disposed between the flow plate and the cover, and connects the flow plate and the cover.

4. The rotor device according to claim 3, characterized in that, The reinforcing block is engaged with the first metal frame.

5. The rotor device according to claim 3, characterized in that, The outer edge of the first metal frame is formed with a first snap-fit ​​structure, which is arranged along the circumference of the flow plate. The reinforcing block has a second snap-fit ​​structure, which snaps the reinforcing block to the first snap-fit ​​structure, and the reinforcing block can slide relative to the first snap-fit ​​structure along the circumference of the flow plate.

6. The rotor device according to claim 5, characterized in that, Both the flow plate and the outer edge of the cover are provided with notches, and the reinforcing blocks are provided at the notches. Among the multiple reinforcing blocks, the two reinforcing blocks at both ends respectively abut against the two opposite inner walls of the notches.

7. The rotor device according to claim 6, characterized in that, The cover includes multiple cover plates arranged circumferentially along the flow plate, with adjacent cover plates abutting each other. The cover plates are connected to the first metal frame, and some of the cover plates form the notch.

8. The rotor device according to claim 7, characterized in that, The cover plate has a flow channel formed between it and the adjacent cover plate. The flow channel is located away from the inlet. The cross-sectional size of the flow channel first gradually increases and then gradually decreases. The end of the flow channel near the inlet is closed, and the side away from the inlet is open.

9. The rotor device according to claim 6, characterized in that, The rotor device further includes an adhesive layer, which is disposed between the flow plate and the first metal frame, between the cover and the first metal frame, and between the first snap-fit ​​structure and the second snap-fit ​​structure.

10. A delivery pump, characterized in that, Includes the rotor device as described in any one of claims 1-9.

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