Dredging pump impeller convenient to mount and dismount

Abstract

The utility model relates to the technical field of dredging pumps, and provides a dredging pump impeller convenient to mount and dismount, which comprises a dredging pump motor, a dismounting and mounting mechanism is arranged on the right side of the dredging pump motor, the dismounting and mounting mechanism comprises a connecting assembly and a fastening assembly, the connecting assembly comprises a transmission screw, a mounting seat, an impeller seat and an impeller blade, and a fastening cap is arranged, so that the mounting seat and the impeller blade can be fastened. When the impeller is assembled, the first fastening screw embedded into the connecting hole is screwed off, so that the fastening cap is not fixed, then the fastening cap is rotated to be disassembled from the transmission screw rod, and then the impeller seat is screwed off from the transmission screw rod, so that the operation of quickly disassembling the whole impeller can be realized; after the impeller seat is screwed on the transmission screw rod, the fastening effect of the impeller seat is improved by arranging the fastening cap, and the fixity of the fastening cap can be improved by arranging the first fastening screw, so that the impeller seat is further fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of dredging pumps, in particular to a dredging pump impeller which is easy to install and disassemble. Background Art

[0002] The dredge pump is a key equipment of the dredger. Its construction efficiency is not only related to its water cleaning efficiency, but also closely related to the characteristics of the transported soil. The impeller is an important part of the dredge pump and plays an important transmission role in the dredge pump. Therefore, the quality of the impeller is closely related to the working state of the dredge pump.

[0003] Since the surface of the impeller in the dredging pump needs to withstand greater impact when it is working, the impeller needs to be inspected and replaced regularly. However, when many impellers are disassembled now, workers need to spend a lot of time to disassemble the components that fix the impeller, which reduces the efficiency of disassembly and assembly.

[0004] In view of this, the utility model provides a dredging pump impeller which is easy to install and disassemble. Utility Model Content

[0005] The utility model provides a dredging pump impeller which is easy to install and disassemble, and solves the problem in the related art that when many impellers are currently disassembled, workers need to spend a lot of time to disassemble the components that fix the impellers, which reduces the disassembly efficiency.

[0006] The technical solution of the utility model is as follows: a dredge pump impeller that is easy to install and disassemble, comprising a dredge pump motor, a disassembly mechanism is arranged on the right side of the dredge pump motor, the disassembly mechanism comprises a connecting assembly and a fastening assembly, the connecting assembly comprises a driving screw, a mounting seat, an impeller seat and an impeller blade, the driving screw is fixedly connected to the output end of the dredge pump motor, the surface of the driving screw is fixedly connected to the mounting seat, the right side of the mounting seat is fitted with an impeller seat threadedly connected to the driving screw, the right side of the impeller seat is fixedly connected with an impeller blade, the fastening assembly comprises a connecting hole, a fastening cap and a first fastening screw, the connecting hole is arranged inside the driving screw, the fastening cap is threadedly connected to the surface of the driving screw and is tightly fitted with the impeller seat, and the inside of the fastening cap is threadedly connected with a first fastening screw embedded in the connecting hole.

[0007] Preferably, a protective cover is fitted on the surface of the impeller seat, and a connecting groove with a size matching the impeller blade is provided on the surface of the protective cover. A first threaded hole is provided on the side of the protective cover, and the internal thread of the first threaded hole is connected to a second fixing screw embedded in the impeller seat, and a wear-resistant layer is provided on the surface of the impeller blade.

[0008] Preferably, the protective cover tightly wraps the surface of the impeller seat, and the protective cover forms a fixing structure through a second fixing screw.

[0009] Preferably, the wear-resistant layer is made of high-chromium cast iron, and the wear-resistant layer completely wraps the surface of the impeller blade.

[0010] The working principle and beneficial effects of the utility model are:

[0011] 1. In the utility model, a fastening cap is provided, and the first fastening screw embedded in the connecting hole is unscrewed so that the fastening cap is no longer fixed. Then, the fastening cap is rotated to remove it from the driving screw. Then, the impeller seat is screwed to remove it from the driving screw. Thus, the impeller can be quickly disassembled as a whole. When the impeller is installed as a whole, after it is tightened on the driving screw, the fastening cap is provided to enhance the fastening effect of the impeller seat. By providing the first fastening screw, the first fastening screw can enhance the fixation of the fastening cap, thereby further fixing the impeller seat.

[0012] 2. In the utility model, a protective cover is provided, which can cover the impeller seat to protect the impeller seat, and the protective cover shields the connection between the impeller blade and the impeller seat, effectively preventing the connection between the impeller blade and the impeller seat from cracking due to resistance when the impeller blade rotates. When the protective cover needs to be removed, it is only necessary to unscrew the second fixing screw from the inside of the impeller seat. The wear-resistant layer is made of high-chromium cast iron, which has high wear resistance and can wrap the impeller blade for protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the protective cover structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the impeller structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the fastening cap structure of the utility model.

[0019] In the figure: 1. mud pump motor; 2. disassembly and assembly mechanism; 21. connection assembly; 211. transmission screw; 212. mounting seat; 213. impeller seat; 214. impeller blade; 22. fastening assembly; 221. connecting hole; 222. fastening cap; 223. first fastening screw; 3. protective cover; 4. connecting groove; 5. first threaded hole; 6. second fixing screw; 7. wear-resistant layer. DETAILED DESCRIPTION

[0020] The following will be combined with 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 of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] A preferred embodiment of a dredging pump impeller that is easy to install and disassemble provided by the utility model is as follows: Figures 1 to 5 As shown: a dredging pump impeller that is easy to install and disassemble, including a mud pump motor 1, a disassembly mechanism 2 is arranged on the right side of the mud pump motor 1, and the disassembly mechanism 2 includes a connecting component 21 and a fastening component 22, the connecting component 21 includes a driving screw 211, a mounting seat 212, an impeller seat 213 and an impeller blade 214, by setting the connecting component 21, the impeller seat 213 and the impeller blade 214 can be preliminarily fixed, which is convenient for subsequent reinforcement treatment, the driving screw 211 is fixedly connected to the output end of the mud pump motor 1, the surface of the driving screw 211 is fixedly connected to the mounting seat 212, the right side of the mounting seat 212 is attached to the impeller seat 213 threadedly connected to the driving screw 211, the right side of the impeller seat 213 is fixedly connected to the impeller blade 214, and the fastening component 22 includes a connecting screw 211, a mounting seat 212, and a mounting seat 213. Hole 221, fastening cap 222 and first fastening screw 223, by setting the fastening assembly 22, when it is necessary to quickly disassemble the impeller seat 213 and the impeller blade 214, unscrew the first fastening screw 223 embedded in the connecting hole 221, so that it no longer fixes the fastening cap 222, and then rotate the fastening cap 222 to remove it from the driving screw 211, and then screw the impeller seat 213 to unscrew it from the driving screw 211, so as to realize the operation of quickly disassembling the impeller as a whole, the connecting hole 221 is set inside the driving screw 211, the fastening cap 222 is threadedly connected to the surface of the driving screw 211 and tightly fits with the impeller seat 213, and the fastening cap 222 is internally threadedly connected with the first fastening screw 223 embedded in the connecting hole 221.

[0023] Example 2

[0024] Based on Example 1, a preferred embodiment of a dredging pump impeller that is easy to install and disassemble provided by the utility model is as follows Figures 1 to 5As shown: a protective cover 3 is attached to the surface of the impeller seat 213, and a connecting groove 4 with a size matching the impeller blade 214 is provided on the surface of the protective cover 3, a first threaded hole 5 is provided on the side of the protective cover 3, and the internal thread of the first threaded hole 5 is connected to a second fixing screw 6 embedded in the impeller seat 213, and a wear-resistant layer 7 is provided on the surface of the impeller blade 214.

[0025] In this embodiment, the protective cover 3 tightly wraps the surface of the impeller seat 213, and the protective cover 3 forms a fixed structure through the second fixing screw 6. By setting the protective cover 3, the protective cover 3 can cover the impeller seat 213 to protect the impeller seat 213, and the protective cover 3 blocks the connection between the impeller blade 214 and the impeller seat 213, effectively preventing the connection between the impeller blade 214 and the impeller seat 213 from cracking due to resistance when the impeller blade 214 rotates.

[0026] In this embodiment, the wear-resistant layer 7 is made of high-chromium cast iron, and the wear-resistant layer 7 completely wraps the surface of the impeller blade 214. The wear-resistant layer 7 is made of high-chromium cast iron, has high wear resistance, and can wrap the impeller blade 214 for protection.

[0027] The working principle and usage process of the utility model are as follows: first, when it is necessary to disassemble the impeller seat 213 and the impeller blade 214, first stop the equipment from continuing to work, then unscrew the first fastening screw 223 embedded in the connecting hole 221, so that it no longer fixes the fastening cap 222, and then rotate the fastening cap 222 to remove it from the driving screw 211, and then screw the impeller seat 213 again to unscrew it from the driving screw 211, so as to realize the operation of quickly disassembling the impeller as a whole. When the impeller is installed as a whole, after it is tightened on the driving screw 211, by setting the fastening cap 222, the fastening cap 222 enhances the fastening effect of the impeller seat 213, and by setting the first fastening screw 223, the first fastening screw 223 can enhance the fixity of the fastening cap 222, thereby further fixing the impeller seat 213.

[0028] By setting up the protective cover 3, the protective cover 3 can cover the impeller seat 213 to protect the impeller seat 213, and the protective cover 3 can block the connection between the impeller blade 214 and the impeller seat 213, effectively preventing the connection between the impeller blade 214 and the impeller seat 213 from cracking due to resistance when the impeller blade 214 rotates. When the protective cover 3 needs to be removed, it is only necessary to unscrew the second fixing screw 6 from the inside of the impeller seat 213, and the wear-resistant layer 7 is made of high-chromium cast iron, which has high wear resistance and can wrap the impeller blade 214 for protection.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 dredging pump impeller that is easy to install and disassemble, comprising a dredging pump motor (1), characterized in that: The right side of the mud pump motor (1) is provided with a disassembly and assembly mechanism (2), the disassembly and assembly mechanism (2) comprising a connection assembly (21) and a fastening assembly (22), the connection assembly (21) comprising a transmission screw (211), a mounting seat (212), an impeller seat (213) and an impeller blade (214), the transmission screw (211) being fixedly connected to the output end of the mud pump motor (1), the surface of the transmission screw (211) being fixedly connected to the mounting seat (212), the right side of the mounting seat (212) being fitted with a threaded connection with the transmission screw (211) An impeller seat (213), the right side of which is fixedly connected to an impeller blade (214), the fastening assembly (22) comprising a connection hole (221), a fastening cap (222) and a first fastening screw (223), the connection hole (221) being arranged inside the transmission screw (211), the fastening cap (222) being threadedly connected to the surface of the transmission screw (211) and tightly fitted to the impeller seat (213), and the fastening cap (222) being internally threadedly connected to the first fastening screw (223) embedded in the connection hole (221).

2. A dredging pump impeller that is easy to install and disassemble according to claim 1, characterized in that: The surface of the impeller seat (213) is fitted with a protective cover (3), the surface of the protective cover (3) is provided with a connecting groove (4) whose size matches that of the impeller blade (214), the side of the protective cover (3) is provided with a first threaded hole (5), the internal thread of the first threaded hole (5) is connected to a second fixing screw (6) embedded in the impeller seat (213), and the surface of the impeller blade (214) is provided with a wear-resistant layer (7).

3. The dredging pump impeller that is easy to install and disassemble according to claim 2 is characterized in that: The protective cover (3) tightly wraps the surface of the impeller seat (213), and the protective cover (3) forms a fixed structure through the second fixing screw (6).

4. The dredging pump impeller that is easy to install and disassemble according to claim 3 is characterized in that: The wear-resistant layer (7) is made of high-chromium cast iron, and the wear-resistant layer (7) completely wraps the surface of the impeller blade (214).

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