Vertical motor
By improving the end cover structure and shaft grounding ring system of the vertical motor, the problem of low-speed vertical motors being unable to be directly installed has been solved, enabling convenient installation and effective guidance of shaft current, thereby improving system stability and the service life of the insulated bearings.
Patent Information
- Application Number
- CN202422842969.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In traditional systems that drive vertical mixing impellers, low-speed vertical permanent magnet motors cannot be directly installed on the original reducer platform, and shaft current can easily cause motor bearing failures, resulting in high modification costs and high failure rates.
An end cover structure for a vertical motor was designed, including a flange end cover assembly and a transition base, which enables direct mounting of the motor body and guides shaft current through a shaft grounding ring and slip ring system to avoid bearing damage.
This enables convenient installation of vertical motors, reduces modification costs, improves system stability and the service life of insulated bearings, and avoids large-scale modifications.
Smart Images

Figure CN223527891U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vertical motor end cover installation technical field, especially a vertical motor. BACKGROUND
[0002] With the increasingly strong requirement of energy saving and emission reduction, the traditional driving vertical stirring impeller load adopts the structure that a high-speed asynchronous motor is connected with the load through a speed reducer, the whole system has the problems of long transmission chain, low efficiency, complex structure, high failure rate and high maintenance cost.
[0003] The new system directly drives the vertical stirring impeller load by using a low-speed vertical permanent magnet motor, which greatly shortens the transmission chain and improves the reliability and efficiency. However, the asynchronous motor in the original system has high speed and small diameter, and the speed reducer connected with the asynchronous motor also has small installation surface. In the new system, the vertical permanent magnet motor has low speed and large diameter, which cannot be directly installed on the original speed reducer installation chassis plane. The original speed reducer platform 4 needs to be removed and transformed to install the motor, which has huge workload and high cost. In addition, the platform is fixed and cannot be transformed. When the motor works, the shaft current generated by the motor easily causes the motor bearing failure.
[0004] Therefore, a low-speed vertical permanent magnet motor direct drive system must be used to replace the original speed reducer and asynchronous motor system, and the vertical motor installation problem must be solved. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a vertical motor, which can be directly installed on the original speed reducer chassis through the improved end cover structure, so as to solve the vertical motor installation problem.
[0006] The utility model provides a vertical motor, which comprises a motor body and a motor shaft installed at the transmission end of the motor body, the output end of the motor shaft is provided with a flange end cover assembly, one side of the flange end cover assembly is provided with a transition base matched with the flange end cover assembly, the flange end cover assembly and the transition base are movably assembled, the transition base is installed at the end of the speed reducer platform, the flange end cover assembly and the different transition bases can meet the requirements of the motor body in different installation occasions, and an insulating bearing is installed at the inner surface of the motor body and the shaft end of the motor shaft.
[0007] In a specific embodiment, the flange end cover assembly comprises two circular ring plates one and two arranged in symmetry, and a cylinder is connected to the opposite side of the circular ring plate one and the circular ring plate two.
[0008] In a specific embodiment, the inner cavity of the circular plate one, the circular plate two and the cylinder are in communication with each other, and a plurality of bolt holes one are formed in the outer circle of the surface of the circular plate one and the circular plate two, so that the circular plate two and the motor body are fastened and connected through the bolt holes one formed on the surface thereof and the fastening screws matched with the bolt holes one.
[0009] In a specific embodiment, a plurality of bolt holes two are formed in the surface of the transition base, and a circular hole is formed in the center of the surface of the transition base.
[0010] In a specific embodiment, the inner surface of the motor body located outside the motor shaft is provided with a shaft grounding ring, the inner circle of the shaft grounding ring and located on the outer surface of the motor shaft is provided with a current collecting ring, and the current collecting ring is sleeved on the surface of the motor shaft.
[0011] In a specific embodiment, the outer circle of the shaft grounding ring is provided with a mounting ring groove, the inner surface of the shaft grounding ring is provided with a plurality of insertion grooves, and the side edge of the shaft grounding ring is provided with a plurality of screw holes.
[0012] In a specific embodiment, one side of the shaft grounding ring is provided with a connecting strip plate, wherein the connecting strip plate is in the shape of “Z”, both ends of the surface of the connecting strip plate are provided with mounting holes, and the inner circle of the mounting holes is threadedly connected with a connecting screw.
[0013] In a specific embodiment, the inner cavity of the insertion groove is slidably provided with a pushing seat, one end of the pushing seat is provided with an arc-shaped groove, the other end of the pushing seat is provided with a connecting hole, the inner cavity of the connecting hole is threadedly connected with a brush piece, the inner cavity of the mounting ring groove is sleeved with a self-adapting tightening structure, and the self-adapting tightening structure can simultaneously tighten a plurality of pushing seats and brush pieces.
[0014] In a specific embodiment, the self-adapting tightening structure comprises an elastic rubber, and the elastic rubber is mounted in the arc-shaped groove of the plurality of pushing seats to limit and tighten the pushing seats.
[0015] In a specific embodiment, the self-adapting tightening structure comprises an annular spring, and the annular spring is mounted in the arc-shaped groove of the plurality of pushing seats to limit and tighten the pushing seats.
[0016] The flange end cover assembly is directly installed on the motor body, one side of the transition base is directly installed on the position of the speed reducer platform, and the other side of the transition base is connected with the flange end cover assembly, so that the vertical motor body can be directly installed on the original position of the speed reducer without modifying the original speed reducer platform.
[0017] When the motor body works, the shaft current generated by the motor body is transmitted to the brush piece through the current collector ring, and under the conductive action of the push seat and the shaft grounding ring, the shaft current is introduced into the ground through the grounding wire, avoiding the damage of the shaft current to the insulating bearing.
[0018] Finally, the large-scale demolition and modification of the existing platform are avoided, the workload and cost of modification are reduced, and by optimizing the installation structure of the motor body, the damage of the shaft current to the insulating bearing during the operation of the motor body is reduced, thereby further improving the stability and service life of the system. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Figure 1 It is an overall structure assembly view of the embodiment of the present application.
[0021] Figure 2 It is a main view cross-sectional view schematic diagram of the embodiment of the present application.
[0022] Figure 3 It is a transition base structure plane schematic diagram of the embodiment of the present application.
[0023] Figure 4 It is a main view cross-sectional view schematic diagram of the transition base structure of the embodiment of the present application.
[0024] Figure 5 It is a flange end cover assembly structure bottom view schematic diagram of the embodiment of the present application.
[0025] Figure 6 It is a flange end cover assembly structure main view schematic diagram of the utility model embodiment;
[0026] Figure 7 It is a shaft grounding ring and current collector ring structure plane assembly schematic diagram of the utility model embodiment;
[0027] Figure 8 It is a shaft grounding ring and current collector ring structure three-dimensional assembly schematic diagram of the utility model embodiment;
[0028] Figure 9 It is a shaft grounding ring and current collector ring structure three-dimensional exploded schematic diagram of the utility model embodiment;
[0029] Figure 10 It is a push seat and brush piece structure three-dimensional exploded schematic diagram of the utility model embodiment;
[0030] Figure 11 It is a ring spring structure three-dimensional schematic diagram of the utility model embodiment.
[0031] Icon:
[0032] 100, motor body; 110, motor shaft; 120, insulating bearing; 200, flange end cover assembly; 201, circular plate one; 202, circular plate two; 203, cylinder; 204, bolt hole one; 300, transition base; 301, bolt hole two; 302, round hole; 400, speed reducer platform; 500, shaft grounding ring; 501, mounting ring groove; 502, insertion groove; 503, screw hole; 510, current collector ring; 600, connecting strip; 601, mounting hole; 602, connecting screw; 700, push seat; 701, arc-shaped groove; 702, connecting hole; 710, brush piece; 800, elastic rubber; 900, ring spring. DETAILED DESCRIPTION
[0033] Because the original speed reducer platform size limitation cannot directly install the novel large diameter motor, therefore, the inventor provides a vertical motor, in the process of using, through improving the vertical motor, the end cover structure can be directly installed on the original speed reducer chassis, and the technical problem that the original speed reducer platform cannot directly install the novel large diameter motor due to size limitation is solved.
[0034] Some embodiments of the utility model will be described in detail below in combination with the drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0035] Please refer to Figures 1 to 6As shown, the utility model embodiment provides a vertical motor, including motor body 100 and the transmission end of motor body 100's motor shaft 110, the inner surface of motor body 100 and the shaft end of motor shaft 110 are equipped with insulating bearing 120;
[0036] Wherein, the insulating bearing 120 is installed with an insulation layer between the inner ring and the outer ring of the bearing, which can prevent the shaft current from passing through the bearing raceway, thereby protecting the bearing from current corrosion;
[0037] The output end of motor shaft 110 is provided with flange end cover assembly 200, and the flange end cover assembly 200 is a universal design for multiple same type motor bodies 100;The flange end cover assembly 200 includes two symmetrical circular plates 201 and 202, wherein the diameter of the circular plate 201 is greater than that of the circular plate 202, and the opposite side of the circular plate 201 and the circular plate 202 is connected with a cylinder 203;
[0038] Further, the circular plate 202 and the circular plate 201 are provided with reinforcing ribs on the surface of the connected cylinder 203 for increasing the stability of the connection of the three;
[0039] The inner cavities of the circular plate 201, the circular plate 202 and the cylinder 203 are connected with each other, and the surface of the circular plate 201 and the circular plate 202 is provided with a plurality of bolt holes 204, so that the circular plate 202 and the motor body 100 are fastened and connected through the bolt holes 204 on the surface thereof and the fastening screws matched with the bolt holes 204;
[0040] In this way, the flange end cover assembly 200 is directly installed on the motor body 100, and the transition base 300 is installed on the reducer platform 400 through the bolt holes 302 and the fastening screws matched therewith, and the flange end cover assembly 200 and the transition base 300 are connected, so that the motor body 100 can be directly installed on the reducer position without modifying the reducer platform 400;
[0041] And one side of the flange end cover assembly 200 is provided with a transition base 300 matched therewith, and the flange end cover assembly 200 and the transition base 300 are movably assembled, wherein the transition base 300 is installed on the end of the reducer platform 400;The transition base 300 can be customized according to different installation occasions, and the universal flange end cover assembly 200 and the different transition base 300 can meet the requirements of the motor body 100 in different installation occasions;
[0042] The surface of the transition base 300 is provided with a plurality of bolt holes 301, and the center of the surface of the transition base 300 is provided with a circular hole 302, which is matched with the motor shaft 110 and used for the motor shaft 110 to pass through the input shaft of the speed reducer;
[0043] The surfaces of the circular ring plate one 201, the circular ring plate two 202 and the transition base 300 are all provided with a stopper, so as to facilitate the connection of the circular ring plate two 202 and the motor body 100, and facilitate the connection of the circular ring plate one 201 and the transition base 300, and the stopper provided on the other side of the transition base 300 facilitates the connection with the speed reducer platform 400;
[0044] The transition base 300 is an integrally cast steel plate, the middle parts of the circular ring plate one 201, the circular ring plate two 202 and the cylinder 203 are hollow, and under the action of the circular hole 302 provided on the surface of the transition base 300, the motor shaft 110 can pass through and be connected with the load;
[0045] Finally, the flange end cover assembly 200 is directly installed on the motor body 100, one side of the transition base 300 is directly installed at the position of the speed reducer platform 400, and the other side of the transition base 300 is connected with the flange end cover assembly 200, so that the vertical motor body 100 can be directly installed at the original position of the speed reducer without modifying the original speed reducer platform 400. The flange end cover assembly 200 of the same type motor body 100 is a universal design, and the transition base 300 can be customized according to different installation occasions. The combination of the universal flange end cover assembly 200 and the different transition base 300 can meet the requirements of the motor body 100 in different installation occasions. The end cover structure has strong universality, low cost and convenient installation, and solves the problem that the vertical motor body 100 cannot be directly installed at the original position of the speed reducer.
[0046] As shown in Figures 7-11 To prevent damage to the insulated bearing 120 caused by shaft current and to avoid failure of the insulated bearing 120, the inner surface of the motor body 100 located outside the motor shaft 110 is provided with a shaft grounding ring 500, and the inner ring of the shaft grounding ring 500 located outside the surface of the motor shaft 110 is provided with a current collector ring 510, and the current collector ring 510 is sleeved on the surface of the motor shaft 110;
[0047] The outer ring of the shaft grounding ring 500 is provided with a mounting ring groove 501, and the inner surface of the shaft grounding ring 500 is provided with a plurality of insertion grooves 502, which are uniformly and symmetrically distributed on the surface of the shaft grounding ring 500. The side where the mounting ring groove 501 and the insertion groove 502 meet is in communication with each other, so that the mounting ring groove 501, the insertion groove 502 and the inner cavity of the shaft grounding ring 500 are in communication with each other, thereby forming an installation channel;
[0048] The side of the shaft grounding ring 500 is provided with a plurality of threaded holes 503, wherein the threaded holes 503 are used in cooperation with adjacent connecting screws 602;
[0049] One side of the shaft grounding ring 500 is provided with a connecting strip plate 600, wherein the connecting strip plate 600 is in the shape of a "Z" letter, both ends of the surface of the connecting strip plate 600 are provided with mounting holes 601, and the inner circle of the mounting holes 601 is threadedly connected with connecting screws 602;
[0050] The inner cavity of the slot 502 is slidably provided with a push seat 700, wherein the push seat 700 and the shaft grounding ring 500 are in contact with each other, the shaft grounding ring 500 is grounded through a grounding wire, one end of the push seat 700 is provided with an arc-shaped slot 701, the other end of the push seat 700 is provided with a connecting hole 702, the inner cavity of the connecting hole 702 is threadedly connected with a brush piece 710, one end of the brush piece 710 is in contact with the surface of the current collecting ring 510, the current collecting ring 510 is designed to be concentric with the motor shaft 110 and tightly fit, rotates together with the shaft, and is in contact with the brush piece 710, thereby introducing the shaft current into the ground, thereby avoiding damage caused by current passing through the bearing;
[0051] The inner cavity of the mounting ring groove 501 is sleeved with a self-adapting tightening structure, the self-adapting tightening structure can simultaneously tighten a plurality of push seats 700 and brush pieces 710, so that they can still maintain close contact with the current collecting ring 510 after wear, and the self-adapting tightening structure can be removed to facilitate replacement and installation of the plurality of brush pieces 710;
[0052] As shown in Figure 9 , it is a first embodiment of the self-adapting tightening structure, the self-adapting tightening structure comprises an elastic rubber 800, the elastic rubber 800 has a certain elasticity, and the elastic rubber 800 is installed in the arc-shaped slots 701 of the plurality of push seats 700 to limit and tighten the push seats 700;
[0053] As shown in Figure 11 , it is a second embodiment of the self-adapting tightening structure, the self-adapting tightening structure comprises a ring-shaped spring 900, the ring-shaped spring 900 is installed in the arc-shaped slots 701 of the plurality of push seats 700 to limit and tighten the push seats 700.
[0054] In summary, the working principle of the vertical motor of the embodiment of the utility model: the flange end cover assembly 200 is directly installed on the motor body 100, the transition base 300 is directly installed on the position of the speed reducer platform 400 on one side, and the transition base 300 is connected with the flange end cover assembly 200 on the other side, so that the vertical motor body 100 can be directly installed on the original speed reducer position without modifying the original speed reducer platform 400. The flange end cover assembly 200 of the same type motor body 100 is designed universally, while the transition base 300 can be customized according to different installation occasions. The universal flange end cover assembly 200 and the different transition base 300 can meet the requirements of the motor body 100 in different installation occasions. The end cover structure has the advantages of strong universality, low cost and convenient installation, and solves the problem that the vertical motor body 100 cannot be directly installed on the original speed reducer position.
[0055] When the motor body 100 works, the shaft current generated by the motor body 100 is transmitted to the brush piece 710 through the current collector ring 510, and under the conductive action of the push seat 700 and the shaft grounding ring 500, the shaft current is introduced into the ground through the grounding wire, avoiding the problem that the shaft current damages the insulating bearing 120. Meanwhile, the insulating bearing 120 has certain insulation performance, and in cooperation with the brush piece 710, the service life of the insulating bearing 120 can be greatly increased.
[0056] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A vertical motor comprising a motor body (100) and a motor shaft (110) mounted to a drive end of the motor body (100), characterized in that, The output end of the motor shaft (110) is provided with a flange end cover assembly (200), one side of the flange end cover assembly (200) is provided with a transition base (300) matched therewith, the flange end cover assembly (200) and the transition base (300) are movably assembled, the transition base (300) is installed at the end of a speed reducer platform (400), the flange end cover assembly (200) and different transition bases (300) can meet the requirements of the motor body (100) in different installation occasions, and the inner surface of the motor body (100) and located at the shaft end of the motor shaft (110) is provided with an insulating bearing (120).
2. The vertical motor of claim 1, wherein The flange end cover assembly (200) comprises two circular ring plates (201) and (202) arranged symmetrically, and the opposite sides of the circular ring plates (201) and (202) are connected with a cylinder (203).
3. A vertical motor according to claim 2, characterized in that The inner cavities of the circular ring plates (201), (202) and the cylinder (203) are communicated with each other, a plurality of bolt holes (204) are formed in the outer circle of the surfaces of the circular ring plates (201) and (202), and thus the circular ring plate (202) and the motor body (100) are fastened and connected through the bolt holes (204) formed on the surfaces thereof and the fastening screws matched with the bolt holes (204).
4. A vertical motor according to claim 3, characterized in that A plurality of bolt holes (301) are formed in the surface of the transition base (300), and a circular hole (302) is formed in the center of the surface of the transition base (300).
5. The vertical motor of claim 1, wherein The inner surface of the motor body (100) and located at the outer side of the motor shaft (110) is provided with a shaft grounding ring (500), the inner circle of the shaft grounding ring (500) and located at the outer surface of the motor shaft (110) is provided with a current collecting ring (510), and the current collecting ring (510) is sleeved on the surface of the motor shaft (110).
6. A vertical motor according to claim 5, characterized in that The outer circle of the shaft grounding ring (500) is provided with a mounting ring groove (501), and a plurality of insertion grooves (502) are formed in the inner surface of the shaft grounding ring (500), and a plurality of screw holes (503) are formed in the side edges of the shaft grounding ring (500).
7. A vertical motor according to claim 6, characterized in that One side of the shaft grounding ring (500) is provided with a connecting strip plate (600), the connecting strip plate (600) is in the shape of "Z", and mounting holes (601) are formed in both ends of the surface of the connecting strip plate (600), and connecting screws (602) are threadedly connected in the inner circle of the mounting holes (601).
8. A vertical motor according to claim 7, characterized in that The inner cavity of the insertion groove (502) is slidably provided with a pushing seat (700), an arc-shaped groove (701) is formed in one end of the pushing seat (700), and a connecting hole (702) is formed in the other end of the pushing seat (700), the inner cavity of the connecting hole (702) is threadedly connected with a brush piece (710), the inner cavity of the mounting ring groove (501) is sleeved with a self-adaptive tightening structure, and the self-adaptive tightening structure can simultaneously tighten the pushing seats (700) and the brush piece (710).
9. A vertical motor according to claim 8, characterized in that The adaptive tightening structure comprises elastic rubber (800), and the elastic rubber (800) is installed in the arc-shaped grooves (701) of the plurality of push seats (700) to limit and tighten the push seats (700).
10. A vertical motor according to claim 9, characterized in that The adaptive tightening structure comprises annular springs (900), and the annular springs (900) are installed in the arc-shaped grooves (701) of the plurality of push seats (700) to limit and tighten the push seats (700).