Dust-removing type agricultural electric motor

By designing a dust-removing agricultural electric motor, and utilizing a cooling fan, brush body, and ejection mechanism, the problem of cleaning agricultural electric motors in dusty environments has been solved, achieving self-cleaning and ensuring heat dissipation of the motor.

CN115912795BActive Publication Date: 2026-01-09ANHUI WANNAN ELECTRIC MOTOR CO LTD
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Patent Information

Application Number
CN202211357742.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-01
Publication Date
2026-01-09
Estimated Expiration
2042-11-01

AI Technical Summary

Technical Problem

Agricultural electric motors are difficult to keep clean in dusty environments, affecting heat dissipation and service life.

Method used

A dust-removing agricultural electric motor was designed, which adopts a detachable outer shell and rear shell structure, combined with a cooling fan, reducer, brush body and ejection mechanism, to achieve automatic cleaning of the motor's rear shell and heat sink.

Benefits of technology

Dust is removed simultaneously while the motor is running, keeping the motor housing and heat sink clean, ensuring the motor's heat dissipation effect and service life, and making it suitable for working environments with a lot of dust.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the motor technical field, in particular to a dust-removing type agricultural motor, a shell and a rear shell are detachably connected, a heat dissipation fin is connected to the outer wall of the shell, a rotor shaft is rotationally matched in the shell, a heat dissipation fan is arranged on the section of the rotor shaft located in the rear shell, and a hole for airflow passing through is arranged on the rear shell; a speed reducer is connected to one end of the rotor shaft located in the rear shell, a speed reduction shaft on the speed reducer is movably penetrated through the rear shell and rotationally connected with the rear shell, a bearing plate is connected to one end of the speed reduction shaft located outside the rear shell, and a first brush body for cleaning the rear shell and a second brush body for cleaning the heat dissipation fin are arranged on the bearing plate. The dust-removing type agricultural motor is suitable for agricultural use, dust is removed synchronously during motor work, the rear shell and the heat dissipation fin of the motor are kept clean, the heat dissipation effect of the motor is guaranteed, the service life of the motor is guaranteed, and the dust-removing type agricultural motor is also suitable for other working environments with more dust.
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Description

TECHNICAL FIELD

[0001] The present application relates to the motor technical field, especially to the dust-removing type agricultural motor. BACKGROUND

[0002] The motor refers to the electromagnetic device which realizes the electric energy conversion or transmission according to the electromagnetic induction law, and its main function is to generate the driving torque as the power source of the electric appliance or various machines.

[0003] The motor generates a large amount of heat in the process of operation, and the air convection is generally manufactured by using the motor fan blade, and the heat sink is arranged on the shell as the motor heat dissipation mode. In order to guarantee the heat dissipation effect and ensure the service life of the motor, the cleanliness of the motor rear shell and the heat sink needs to be maintained.

[0004] The agricultural motor, because of the large dust in the working environment, compared with the ordinary motor, how to maintain the cleanliness of the motor rear shell and the heat sink, so as to guarantee the heat dissipation effect and ensure the service life of the motor, is a big problem.

[0005] In view of the above problems, a dust-removing type agricultural motor is designed. SUMMARY

[0006] The present application provides a dust-removing type agricultural motor in view of the deficiencies of the prior art.

[0007] The present application solves the above technical problems by the following technical means:

[0008] The dust-removing type agricultural motor comprises a shell and a rear shell, the shell and the rear shell are detachably connected, the outer wall of the shell is connected with a heat sink, a rotor shaft is rotatably arranged in the shell, a heat dissipation fan is arranged on the part of the rotor shaft inside the rear shell, and a hole for air flow is arranged on the rear shell.

[0009] One end of the rotor shaft inside the rear shell is connected with a speed reducer, a speed reduction shaft of the speed reducer is movably penetrated through the rear shell and rotatably connected with the rear shell, one end of the speed reduction shaft outside the rear shell is connected with a receiving plate, and the receiving plate is provided with a first brush body for cleaning the rear shell and a second brush body for cleaning the heat sink.

[0010] As an improvement of the above technical scheme, the lower end of the shell is connected with a base, and a gap for accommodating the second brush body is arranged between the horizontal section of the base and the shell.

[0011] As an improvement of the above technical scheme, the first brush body is arranged in parallel with the radial direction of the shell, the second brush body is arranged in parallel with the axial direction of the shell, the second brush body is rotatably connected with the receiving plate, the second brush body is a rolling brush, and the bristles of the second brush body abut against the shell and the heat sink.

[0012] As the improvement of the above technical scheme, the adjusting mechanism is further provided with a cylinder body which is rotatably connected with the receiving plate, a rod body which is slidably arranged in the cylinder body along the axial direction of the shell, one end of the rod body is connected with the second brush body, the other end of the rod body is connected with a side rod which is arranged along the radial direction of the shell, a spring is sleeved on the rod body, and two ends of the spring are connected with the cylinder body and the side rod respectively.

[0013] As the improvement of the above technical scheme, the adjusting mechanism is further provided with a cylinder body which is rotatably connected with the receiving plate, a rod body which is slidably arranged in the cylinder body along the axial direction of the shell, one end of the rod body is connected with the second brush body, the other end of the rod body is connected with a side rod which is arranged along the radial direction of the shell, a spring is sleeved on the rod body, and two ends of the spring are connected with the cylinder body and the side rod respectively.

[0014] The support rod is rotatably connected with a gear ring, the movable end of the gear ring is uneven and abuts against the side rod, the gear ring and the central gear are meshed with a planetary gear which is rotatably connected with the support rod.

[0015] As the improvement of the above technical scheme, the spring is sleeved with an elastic sleeve, and two ends of the elastic sleeve are connected with the cylinder body and the side rod respectively.

[0016] As the improvement of the above technical scheme, the adjusting mechanism is further provided with an ejecting mechanism which ejects the dust in the hole.

[0017] The ejecting mechanism is provided with a conical roller which is rotatably connected with the speed-reducing shaft, the conical surface of the conical roller is in rolling contact with the side wall of the rear shell, and the conical roller is provided with a top block which is inserted into the hole and matched with the hole.

[0018] As the improvement of the above technical scheme, the top block is provided as an elastic member.

[0019] As the improvement of the above technical scheme, the hole is provided with a plurality of groups, the plurality of groups of holes are arranged in an equidistant annular manner, the top block is provided with a plurality of groups, and the distance between every two adjacent groups of top blocks is the same as the distance between every two adjacent groups of holes.

[0020] Each group of holes is provided with a plurality of holes, the diameters of the plurality of holes gradually increase from the center to the outside, and the number and size of each group of top blocks are matched with each group of holes.

[0021] The beneficial effects of the present application are as follows:

[0022] The dust-removing agricultural motor is suitable for agricultural use, and can simultaneously remove dust during the operation of the motor, keep the rear shell and the cooling fins clean, guarantee the heat dissipation effect of the motor, and guarantee the service life of the motor.

[0023] The second brush body is provided as a rolling brush and is rotatably connected with the receiving plate, the bristles are intermittently in contact with the shell and the cooling fins, which is beneficial to the recovery of the performance of the bristles and improves the service life of the second brush body, and the bristles of the second brush body are inserted between the cooling fins, which guarantees the cleaning effect.

[0024] The setting of the adjusting mechanism realizes that the second brush body rotates around the shell in the circumferential direction, rotates around itself, and reciprocates in the axial direction of the shell, so as to sufficiently and effectively remove dust from the radiating fins.

[0025] The setting of the ejection mechanism ejects dust in the hole, avoids the hole from being blocked by dust, and effectively removes dust on the rear shell in cooperation with the first brush body. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a structural schematic diagram of a dust-removing agricultural motor according to an embodiment of the present application;

[0027] Figure 2 FIG. 2 is a structural schematic diagram of a dust-removing agricultural motor according to another embodiment of the present application;

[0028] Figure 3 FIG. 3 is a structural schematic diagram of a dust-removing agricultural motor according to another embodiment of the present application;

[0029] Figure 4 FIG. 4 is a structural schematic diagram of a dust-removing agricultural motor according to another embodiment of the present application; Figure 2 FIG. 5 is a distribution schematic diagram of the middle holes;

[0030] FIG. 1 is a structural schematic diagram of a dust-removing agricultural motor according to an embodiment of the present application; DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being “connected” to another element, it can be directly connected to the other element or intervening elements can be present.

[0033] Embodiment 1

[0034] As Figure 1As shown, the dust removal type agricultural motor of the embodiment comprises a shell 1 and a rear shell 2, the shell 1 and the rear shell 2 are detachably connected, a heat dissipation fin 101 is connected to the outer wall of the shell 1, a rotor shaft 102 is rotatably fitted in the shell 1, a heat dissipation fan 103 is arranged on the section of the rotor shaft 102 inside the rear shell 2, a hole 201 for air flow is arranged on the rear shell 2, a rotor is arranged on the rotor shaft 102, and a stator connected with the shell 1 is arranged outside the rotor;

[0035] A reducer 3 is connected to one end of the rotor shaft 102 inside the rear shell 2, a reduction shaft 301 of the reducer 3 is movably penetrated through the rear shell 2 and rotatably connected with the rear shell 2, a receiving plate 4 is connected to one end of the reduction shaft 301 outside the rear shell 2, a first brush body 5 for cleaning the rear shell 2 and a second brush body 6 for cleaning the heat dissipation fin 101 are arranged on the receiving plate 4, the first brush body 5 is arranged in parallel with the radial direction of the shell 1, and the second brush body 6 is arranged in parallel with the axial direction of the shell 1.

[0036] A base 104 is connected to the lower end of the shell 1, a gap for the second brush body 6 to pass through is arranged between the horizontal section of the base 104 and the shell 1, and the base 104 is arranged for the motor to be connected with the outside when the motor is installed.

[0037] In the case, when the motor works, the rotor shaft 102 rotates, the reduction shaft 301, the receiving plate 4, the first brush body 5 and the second brush body 6 are driven to rotate by the reducer 3, the first brush body 5 cleans the rear shell 2 to prevent the hole 201 of the rear shell 2 from being blocked and affecting air convection, and the second brush body 6 cleans the heat dissipation fin 101 distributed in the circumferential direction of the shell 1 to prevent dust from covering the heat dissipation fin 101 and affecting the heat dissipation effect of the heat dissipation fin 101. The dust removal type agricultural motor is suitable for agricultural use, simultaneously removes dust when the motor works, keeps the rear shell 2 and the heat dissipation fin 101 clean, guarantees the heat dissipation effect of the motor, and guarantees the service life of the motor. The dust removal type agricultural motor is also suitable for other working environments with more dust.

[0038] When the motor works, the internal rotor shaft 102 rotates to provide power for the first brush body 5 and the second brush body 6, and an external power source is not required; the reducer 3 is arranged, and the rotation speed is reduced by the reducer 3 to adapt to the movement speed requirement of the first brush body 5 and the second brush body 6.

[0039] Embodiment 2

[0040] The dust removal type agricultural motor of the embodiment also discloses that the difference from the implementation scheme of embodiment 1 is that Figure 2As shown, the second brush body 6 is rotationally connected with the receiving plate 4, the second brush body 6 is a rolling brush, the bristles of the second brush body 6 are in contact with the shell 1 and the heat dissipation fins 101; the second brush body 6 is arranged as a rolling brush and rotationally connected with the receiving plate 4, when the second brush body 6 moves circumferentially around the shell 1, the second brush body 6 is in contact with the shell 1, under the action of friction, the second brush body 6 rotates, the bristles are in intermittent contact with the shell 1 and the heat dissipation fins 101, which is beneficial to the recovery of the performance of the bristles and improves the service life of the second brush body 6, meanwhile, the bristles of the second brush body 6 are inserted between the heat dissipation fins 101, which ensures the cleaning effect.

[0041] Further comprising an adjusting mechanism 7 for driving the second brush body 6 to reciprocate in the axial direction of the shell 1; the adjusting mechanism 7 comprises a cylinder body 701 rotationally matched with the receiving plate 4, a rod body 702 is slidingly fitted in the cylinder body 701 along the axial direction of the shell 1, in order to ensure the sliding fit of the cylinder body 701 and the rod body 702, the rod body 702 can be arranged as a rectangular rod, the inner cavity of the cylinder body 701 can be arranged as a rectangular cavity, one end of the rod body 702 is connected with the second brush body 6, the other end is connected with a side rod 703 arranged along the radial direction of the shell 1, the rod body 702 movably sheaths a spring 704, both ends of the spring 704 are connected with the cylinder body 701 and the side rod 703 respectively, in order to protect the spring 704 and prevent dust from accumulating on the spring 704, an elastic sleeve is sheathed on the spring 704, both ends of the elastic sleeve are connected with the cylinder body 701 and the side rod 703 respectively;

[0042] Further comprising a support rod 705 connected with the base 104, a center gear 707 sheathed on the speed reduction shaft 301, the support rod 705 rotationally matches with a gear ring 706, the movable end of the gear ring 706 is uneven and in contact with the side rod 703, when the side rod 703 is in contact with the protruding part, the second brush body 6 is pushed to the left through the side rod 703 and the rod body 702, when the side rod 703 is in contact with the recessed part, the side rod 703, the rod body 702 and the second brush body 6 move to the right under the action of the spring 704, the movable end of the gear ring 706 can be arranged as a wave shape, in order to smoothly pass through the movable end of the gear ring 706, the side rod 703 can be arranged as a column, the gear ring 706 and the center gear 707 mesh with a planetary gear 708 rotationally matched with the support rod 705.

[0043] The arrangement of the adjusting mechanism 7 realizes that the second brush body 6 rotates circumferentially around the shell 1, rotates around itself, reciprocates in the axial direction of the shell 1, and fully and effectively removes dust from the heat dissipation fins 101;

[0044] The rotation of the deceleration shaft 301 drives the rotation of the center gear 707, the planetary gear 708 and the gear ring 706. The sizes of the center gear 707 and the planetary gear 708 are not the same, and the rotation speeds of the gear ring 706 and the center gear 707 are also not the same. The movable end of the gear ring 706 abuts against the side rod 703. When the second brush body 6 moves circumferentially around the shell 1, the second brush body 6 moves reciprocally in the axial direction of the shell 1 under the cooperation of the side rod 703, the movable end of the gear ring 706 and the spring 704.

[0045] Embodiment 3

[0046] The embodiment of the application also discloses a dust removal type agricultural electric motor, which is different from the embodiment of embodiment 1 in that, as shown in Figure 3 the dust ejection mechanism 8 for ejecting the dust in the hole 201 is further included;

[0047] The dust ejection mechanism 8 includes a conical roller 801 in rotation cooperation with the deceleration shaft 301, the conical surface of the conical roller 801 is in rolling contact with the side wall of the rear shell 2, and the top block 802 is arranged on the conical roller 801 and inserted into the hole 201.

[0048] When the deceleration shaft 301 drives the conical roller 801 to move circumferentially, the conical surface of the conical roller 801 is in rolling contact with the side wall of the rear shell 2, so that the conical roller 801 rotates by itself, the top block 802 inserted into the hole 201 ejects the dust blocked in the hole 201, and the first brush body 5 sweeps the ejected dust.

[0049] The arrangement of the dust ejection mechanism 8 ejects the dust in the hole 201, avoids the dust from blocking the hole 201, and effectively cleans the dust on the rear shell 2 under the cooperation of the first brush body 5.

[0050] The top block 802 is arranged as an elastic member, the top block 802 is in flexible contact with the hole 201, and the top block 802 is ensured to be smoothly separated from the hole 201.

[0051] As shown in Figure 4 a plurality of groups of holes 201 are arranged at equal intervals in a ring shape, a plurality of groups of top blocks 802 are arranged, the distance between every two adjacent groups of top blocks 802 is the same as the distance between every two adjacent groups of holes 201, each group of holes 201 includes a plurality of holes 201, the diameters of the plurality of holes 201 gradually increase from the center to the outside, the number and size of each group of top blocks 802 are matched with each group of holes 201.

[0052] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0053] The above examples are merely used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A dust-collecting type agricultural electric motor, characterized in that, It includes an outer shell (1) and a rear shell (2), the outer shell (1) and the rear shell (2) are detachably connected, the outer wall of the outer shell (1) is connected with a heat sink (101), a rotor shaft (102) is rotatably fitted in the outer shell (1), a cooling fan (103) is provided on a section of the rotor shaft (102) located inside the rear shell (2), and the rear shell (2) is provided with a hole (201) for airflow. The rotor shaft (102) is connected to a reducer (3) at one end inside the rear shell (2). The reducer shaft (301) on the reducer (3) passes through the rear shell (2) and is rotatably connected to it. The reducer shaft (301) is connected to a support plate (4) at one end outside the rear shell (2). The support plate (4) is provided with a first brush body (5) for cleaning the rear shell (2) and a second brush body (6) for cleaning the heat sink (101). The lower end of the outer shell (1) is connected to the base (104), and a gap is provided between the horizontal section of the base (104) and the outer shell (1) to accommodate the passage of the second brush body (6); The first brush body (5) is arranged in the radial direction parallel to the outer shell (1), and the second brush body (6) is arranged in the axial direction parallel to the outer shell (1). The second brush body (6) is rotatably connected to the receiving plate (4). The second brush body (6) is a roller brush. The bristles of the second brush body (6) abut against the outer shell (1) and the heat sink (101). It also includes an adjustment mechanism (7) that drives the second brush body (6) to reciprocate in the axial direction of the outer shell (1); the adjustment mechanism (7) includes a cylinder (701) that rotates with the receiving plate (4), a rod (702) that slides along the axial direction of the outer shell (1) in the cylinder (701), one end of the rod (702) is connected to the second brush body (6), and the other end is connected to a side rod (703) arranged radially along the outer shell (1). A spring (704) is movably sleeved on the rod (702), and the two ends of the spring (704) are connected to the cylinder (701) and the side rod (703) respectively. It also includes a support rod (705) connected to the base (104) and a central gear (707) sleeved on the reduction shaft (301). The support rod (705) is rotatably engaged with a gear ring (706). The movable end of the gear ring (706) is uneven and abuts against the side rod (703). The gear ring (706) and the central gear (707) are meshed with a planetary gear (708) that is rotatably engaged with the support rod (705).

2. The dust-removing agricultural electric motor according to claim 1, characterized in that, The spring (704) is fitted with a telescopic sleeve, and the two ends of the telescopic sleeve are connected to the cylinder (701) and the side rod (703) respectively.

3. The dust-removing agricultural electric motor according to claim 1, characterized in that, It also includes an ejection mechanism (8) for ejecting dust from the hole (201); The ejection mechanism (8) includes a conical roller (801) that rotates with the reduction shaft (301). The conical surface of the conical roller (801) rolls in contact with the side wall of the rear shell (2). The conical roller (801) is provided with a top block (802) that is inserted into and cooperates with the insertion hole (201).

4. The dust-removing agricultural electric motor according to claim 3, characterized in that, The top block (802) is configured as an elastic element.

5. The dust-removing agricultural electric motor according to claim 4, characterized in that, The holes (201) are arranged in multiple sets, and the multiple sets of holes (201) are distributed in a ring at equal distances. The top blocks (802) are arranged in multiple sets, and the distance between each pair of adjacent top blocks (802) is the same as the distance between each pair of adjacent holes (201). Each set of holes (201) has multiple holes, and the diameter of the multiple holes (201) increases sequentially from the center to the outside. The number and size of each set of top blocks (802) match the number of holes (201) in each set.

Citation Information

Patent Citations

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