Low-speed direct-drive permanent magnet electric roller

Abstract

The utility model discloses a low-speed direct-drive permanent magnet electric roller which comprises a motor, a first roller body in the middle and two second roller bodies which are located on the two sides of the first roller body and detachably connected with the first roller body, and a rotor of the motor is detachably connected with the first roller body. A first limiting piece is arranged on the first cylinder body, a limiting groove is formed in the second cylinder body, the limiting piece is inserted into the limiting groove, and the first cylinder body and the second cylinder body are fixed through a bolt. The motor is located in the first barrel and the second barrel, a rotor of the motor is fixed to the first barrel, after the rotor of the motor and the first barrel are fixed, the second barrel is fixed to the first barrel, enough space is reserved for fixing of the first barrel and the rotor, operation is more convenient, and meanwhile the motor is convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of electric rollers, and more specifically to a low-speed direct-drive permanent-magnet electric roller. Background Art

[0002] The electric drum is a common material conveying equipment. The low-speed direct-drive permanent magnet electric drum is an electric drum directly driven by a permanent magnet synchronous motor. As a direct drive device, the permanent magnet synchronous motor provides power and torque. It has high efficiency, high starting torque and precise speed control characteristics. The permanent magnet synchronous motor is set inside the drum to make it a part of the drum. This method can reduce the use of transmission devices, improve efficiency, and make the entire structure more compact.

[0003] The utility model patent with patent number 201922425109.0 discloses a low-speed direct-drive permanent magnet electric drum, which connects the rotor of the motor to the drum. The rotation of the rotor can drive the drum to rotate synchronously. However, in this solution, the drum is integrated and fixed with bolts, but the fixing work is carried out inside the drum. Due to space limitations, the operation is difficult and the installation efficiency is low, and it is not convenient for maintenance. Utility Model Content

[0004] The utility model aims to provide a low-speed direct-drive permanent magnet electric roller to solve the technical problems existing in the above-mentioned background technology.

[0005] The technical solution of the utility model provides a low-speed direct-drive permanent magnet electric drum, comprising a motor, a middle cylinder body 1, two cylinder bodies 2 located on both sides of the cylinder body 1 and detachably connected to the cylinder body 1, and the rotor of the motor is detachably connected to the cylinder body 1;

[0006] A limiting member 1 is arranged on the cylinder body 1, a limiting groove is arranged on the cylinder body 2, the limiting member is inserted into the limiting groove, and the cylinder body 1 and the cylinder body 2 are fixed by bolts.

[0007] In a preferred embodiment, a plurality of fixing blocks 1 are provided at both ends of the cylinder 1, and the outer end surface of the fixing block 1 is flush with the outer end surface of the cylinder 1. A plurality of fixing blocks 2 are correspondingly provided on both sides of the rotor of the motor, and the fixing blocks 1 and 2 are fixed by bolts.

[0008] In a preferred embodiment, the limiting member 1 includes a plurality of limiting plates circumferentially arranged on the outer side of the cylinder 1, the limiting grooves correspond to the positions of the limiting plates, and fixing holes are provided on the limiting plates and the limiting grooves. The limiting plates and the limiting grooves are fixed to each other by bolts, and the tops of the bolts are screwed into the fixing holes on the limiting grooves.

[0009] In a preferred embodiment, the limiting groove is provided in the middle of the second cylinder.

[0010] In a preferred embodiment, when the cylinder body 1 is fixed to the cylinder body 2, the end surface of the cylinder body 1 is in contact with the end surface of the cylinder body 2.

[0011] In a preferred embodiment, the cylinder body 1 and the cylinder body 2 are wrapped with a rubber sleeve.

[0012] In a preferred embodiment, end covers are detachably provided on both sides of the cylinder.

[0013] The beneficial effects of the technical solution of the utility model are:

[0014] The motor is located inside cylinder one and cylinder two, wherein the rotor of the motor is fixed to cylinder one. After the two are fixed, cylinder two is fixed to cylinder one, leaving sufficient space for fixing cylinder one and the rotor, making operation more convenient and facilitating maintenance of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is the disassembly diagram of the structure of the utility model.

[0017] Figure 3 This is a fixing diagram of the rotor and the cylinder of the utility model.

[0018] Explanation of the reference numerals: 1 cylinder body 1, 2 cylinder body 2, 3 motor, 4 rotor, 5 limit plate, 6 limit groove, 7 fixing block 1, 8 fixing block 2, 9 fixing hole, 10 end cover, 11 rubber sleeve, 12 shaft body, 13 junction box. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the sake of illustration and convenience of description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0020] like Figure 1-3As shown, the technical solution of the utility model provides a low-speed direct-drive permanent magnet electric drum, including a motor 3, a cylinder 1 in the middle, two cylinders 2 located on both sides of the cylinder 1 and detachably connected to the cylinder 1, and a rotor 4 of the motor 3 is detachably connected to the cylinder 1. The motor 3 is located inside the cylinder 1 and the cylinder 2, wherein the rotor 4 of the motor 3 is fixed to the cylinder 1, and after the two are fixed, the cylinder 2 is fixed to the cylinder 1, leaving enough space for fixing the cylinder 1 and the rotor 4, making the operation more convenient and facilitating the maintenance of the motor 3.

[0021] A plurality of fixing blocks 7 are provided at both ends of the cylinder 1, and the outer end surface of the fixing block 7 is flush with the outer end surface of the cylinder 1. A plurality of fixing blocks 2 8 are provided on both sides of the rotor 4 of the motor 3, and the fixing blocks 1 7 and the fixing blocks 2 8 are fixed by bolts. The fixing blocks 1 7 and the fixing blocks 2 8 correspond to each other one by one, and then they can be fixed by bolts, because the fixing blocks 1 7 and the fixing blocks 2 8 are located at the ends of the cylinder 1, which is convenient for operation.

[0022] The cylinder body 1 is provided with a limiting member 1, and the cylinder body 2 is provided with a limiting groove 6, the limiting member is inserted into the limiting groove 6, and the cylinder body 1 and the cylinder body 2 are fixed by bolts. The limiting member 1 includes a plurality of limiting plates 5 circumferentially arranged on the outer side of the cylinder body 1, the limiting groove 6 corresponds to the position of the limiting plate 5, and the limiting plate 5 and the limiting groove 6 are both provided with fixing holes 9, the limiting plate 5 and the limiting groove 6 are fixed by bolts, and the top of the bolt is screwed into the fixing hole 9 on the limiting groove 6.

[0023] After the rotor 4 of the motor 3 is fixed to the cylinder 1, the cylinder 2 2 is fixed to the cylinder 1. Before fixing, the limit plate 5 is first inserted into the limit groove 6 to make the cylinder 1 and the cylinder 2 2 dock with each other. After docking, the fixing hole 9 on the limit plate 5 corresponds to the fixing hole 9 on the limit groove 6, and then bolts are used to tighten. When the cylinder 1 and the cylinder 2 are fixed, the end face of the cylinder 1 is in contact with the end face of the cylinder 2 to ensure the tightness of the connection between the two. The limit groove 6 is provided in the middle of the cylinder 2 to ensure the integrity of the connection between the two.

[0024] The cylinder 1 and the cylinder 2 are wrapped with a rubber sleeve 11, which increases friction during use and protects the cylinder 1 and the cylinder 2 to prevent dust from entering the cylinder from the connection between the cylinder 1 and the cylinder 2. The cylinder 2 is detachably provided with end covers 10 on both sides, and the shaft 12 passes through the end covers 10. The junction box 13 on the shaft 12 is convenient for wiring.

[0025] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A low-speed direct-drive permanent magnet electric drum, characterized in that: It comprises a motor, a cylinder body 1 in the middle, and two cylinder bodies 2 located on both sides of the cylinder body 1 and detachably connected to the cylinder body 1, and the rotor of the motor is detachably connected to the cylinder body 1; A limiting member 1 is arranged on the cylinder body 1, a limiting groove is arranged on the cylinder body 2, the limiting member is inserted into the limiting groove, and the cylinder body 1 and the cylinder body 2 are fixed by bolts.

2. A low-speed direct-drive permanent magnet electric drum according to claim 1, characterized in that: Several fixing blocks 1 are arranged at both ends of the cylinder 1, and the outer end surface of the fixing block 1 is flush with the outer end surface of the cylinder 1. Several fixing blocks 2 are correspondingly arranged on both sides of the rotor of the motor, and the fixing blocks 1 and 2 are fixed by bolts.

3. The low-speed direct-drive permanent magnet electric drum according to claim 1, characterized in that: The limiting component 1 includes a plurality of limiting plates circumferentially arranged on the outer side of the cylinder 1, the limiting grooves correspond to the positions of the limiting plates, and fixing holes are arranged on the limiting plates and the limiting grooves. The limiting plates and the limiting grooves are fixed by bolts, and the tops of the bolts are screwed into the fixing holes on the limiting grooves.

4. The low-speed direct-drive permanent magnet electric drum according to claim 1, characterized in that: The limiting groove is arranged in the middle of the second cylinder.

5. The low-speed direct-drive permanent magnet electric drum according to claim 1, characterized in that: When the first cylinder is fixed to the second cylinder, the end surface of the first cylinder contacts the end surface of the second cylinder.

6. The low-speed direct-drive permanent magnet electric drum according to claim 1, characterized in that: The cylinder body 1 and the cylinder body 2 are wrapped with rubber sleeves.

7. The low-speed direct-drive permanent magnet electric drum according to claim 1, characterized in that: The cylinder body is detachably provided with end covers on both sides.

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