Elevator traction machine

Abstract

The utility model belongs to the technical field of elevator traction machines, and particularly relates to an elevator traction machine which comprises a machine base and a machine shell, a straight opening of the machine shell and a straight opening in the rear end of the machine base are installed in a matched mode, the machine shell and the machine base are fixedly installed through bolts, a rotating shaft is rotationally connected into the machine base through a bearing, the left end of the rotating shaft extends into the machine shell, and the right end of the rotating shaft extends into the machine shell. A rotor magnet yoke is clamped to the left side of the outer surface of the rotating shaft through a clamping spring, a winding iron core is pressed into the machine shell through a tool, a friction disc is arranged in the machine base, and a brake is fixedly installed on the right side of the machine base through bolts. The traction machine is large in output torque, high in operation efficiency, high in energy efficiency, energy-saving, low in noise, small in size, high in structural strength, small in installation space, convenient to assemble and disassemble, beneficial to maintenance and repair, convenient to install in a hoistway manually, small in occupied space, light in weight and convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator traction machines, in particular to an elevator traction machine. Background Art

[0002] The elevator traction machine is the elevator's power source, also known as the main elevator unit. Its function is to transmit and transfer power to operate the elevator. It consists of a motor, brake, coupling, reduction gear, traction sheave, frame, guide pulley, and an attached turning handwheel. The guide pulley is typically mounted on the frame or on a load-bearing beam beneath it. The turning handwheel can be fixed to the motor shaft or hung on a nearby wall, then attached to the motor shaft when in use.

[0003] However, most of the existing traction machines used in villas or low floors have low output torque, low output power, high cost and high noise when in use, which makes the output efficiency of the traction machine low and the stability not good enough when in use. Therefore, an elevator traction machine is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology and solve the problems that most of the existing traction machines used in villas or low floors have low output torque, low output power, high cost and high noise when in use, thereby making the output efficiency of the traction machine low and the stability not good enough when in use, the utility model proposes an elevator traction machine.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: the elevator traction machine of the utility model comprises a machine base and a machine casing, the straight opening of the machine casing is matched with the rear end straight opening of the machine base, and the machine casing and the machine base are fixed by bolts;

[0006] The inside of the base is rotatably connected to a rotating shaft via a bearing, the left end of the rotating shaft extends to the inside of the casing, the left side of the outer surface of the rotating shaft is clamped with a rotor yoke via a retaining spring, a winding core is pressed into the inside of the casing via tooling, a friction disk is provided inside the base, a brake is fixedly installed on the right side of the base via bolts, an encoder is provided on the right side of the base, and the encoder and the brake are fixedly installed.

[0007] Preferably, a sealing plate is fixedly connected to the left side of the casing.

[0008] Preferably, the bearing on the right side is fixedly mounted to the machine base via a cover plate, and the cover plate is fixedly mounted to the machine base via bolts.

[0009] Preferably, a junction box is fixedly installed at the wire outlet hole on the top of the casing.

[0010] Preferably, both the front and rear surfaces of the base are fixedly connected with shields, and the shields are arranged in a long strip shape.

[0011] Preferably, it also includes a gripping assembly, which includes a fixing plate fixedly connected to both sides of the outer surface of the casing, a through groove is provided at the bottom of the fixing plate, a handle plate is rotatably connected to the inside of the groove through a rotating rod, and a through handle groove is provided inside the handle plate.

[0012] Preferably, the top of the handlebar is arranged in an arc shape.

[0013] The utility model is beneficial in that:

[0014] The utility model has large output torque, high operating efficiency, high energy efficiency, energy saving and low noise. At the same time, the traction machine has small size, high structural strength, small installation space, and is easy to assemble and disassemble, so it is conducive to the maintenance and repair of the traction machine. It is more convenient for manual installation in the well, occupies little space, is not only light in weight, but also easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure in Example 1;

[0017] Figure 2 It is a partial cross-sectional structural schematic diagram of Example 1;

[0018] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the fixing plate in Example 1.

[0019] In the figure: 1. rotating shaft; 2. rotor yoke; 3. bearing; 4. friction disk; 5. encoder; 6. base; 7. cover plate; 8. winding core; 9. housing; 10. junction box; 11. cover plate; 12. brake; 13. shield; 14. fixing plate; 15. groove; 16. handle plate; 17. rotating rod; 18. handle slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] See also Figure 1-2 As shown, an elevator traction machine includes a base 6 and a casing 9, wherein the straight opening of the casing 9 is fitted with the rear end straight opening of the base 6, and the casing 9 and the base 6 are fixedly mounted by bolts;

[0023] The inside of the base 6 is rotatably connected to the rotating shaft 1 through the bearing 3, and the left end of the rotating shaft 1 extends to the inside of the casing 9. The rotor yoke 2 is clamped to the left side of the outer surface of the rotating shaft 1 through a retaining spring. The winding core 8 is pressed into the inside of the casing 9 through a tool. A friction disk 4 is provided inside the base 6. A brake 12 is fixedly installed on the right side of the base 6 by bolts. An encoder 5 is provided on the right side of the base 6, and the encoder 5 is fixedly installed with the brake 12. During operation, the inner ring of the rotor yoke 2 is pressed into the fixed position of the rotating shaft 1 and clamped with a retaining spring, and the rare earth permanent magnet is attached to the corresponding position of the outer ring of the rotor yoke 2, and the inner cavity of the traction wheel is pressed into the fixed position of the rotating shaft 1 and clamped with a retaining spring. The corresponding outer ring fixed position of the rotating shaft 1 is pressed into the corresponding fixed position of the rotating shaft 1 through two bearings 3 and clamped with a retaining spring, and the spline is sleeved into the front end of the rotating shaft 1 and sleeved. The retaining spring is locked, and the rotating shaft 1 is slowly inserted from the rear end inner cavity of the machine base 6 until the outer ring of the right bearing 3 coincides with the inner cavity of the machine base 6, and then the right bearing 3 is locked by the cover plate 11 and the bolt, and the winding core 8 is pressed into the interior of the casing 9 through the tooling. Therefore, the left end of the traction machine machine base 6 and the right end of the casing 9 adopt a straight-mouthed stepped fit, which is convenient for installation and use, and the mounting hole is placed at the left end of the casing 9, so that the center of gravity of the whole machine is biased toward the rear end, reducing the interference between the iron core and the yoke, and the brake disc end cover and the machine base 6 are installed separately, which is conducive to installation and disassembly. Therefore, the traction machine has a large torque and high efficiency during operation, and the energy efficiency can reach the energy consumption required by the country, which plays an energy-saving role. It has been innovated in structure, with a small size and low noise during operation. At the same time, it is conducive to quick assembly in terms of assembly, and is convenient for repairing and maintaining the traction machine.

[0024] The left side of the housing 9 is fixedly connected with a sealing plate 7; when working, the rear end of the housing 9 is blocked by the sealing plate 7.

[0025] The bearing 3 on the right side is fixed to the machine base 6 through the cover plate 11, and the cover plate 11 is fixed to the machine base 6 through bolts; when working, the bearing 3 is installed through the cover plate 11, and the rotating shaft 1 is firmly installed inside the machine base 6.

[0026] A junction box 10 is fixedly mounted at the wire outlet hole on the top of the casing 9; when in operation, the traction machine is conveniently wired through the junction box 10.

[0027] The front and rear surfaces of the base 6 are both fixedly connected with a shield 13 , and the shield 13 is arranged in a long strip shape. When working, the base 6 is protected to a certain extent by the long strip shield 13 .

[0028] Example 2

[0029] See also Figure 3 As shown, compared with Example 1, as another embodiment of the present invention, it also includes a gripping assembly, which includes a fixing plate 14 fixedly connected to both sides of the outer surface of the casing 9, and a through groove 15 is provided at the bottom of the fixing plate 14. A handle plate 16 is rotatably connected to the inside of the groove 15 through a rotating rod 17, and a through handle groove 18 is provided inside the handle plate 16; when working, the handle plate 16 located inside the groove 15 can be easily rotated by the rotating rod 17, and after rotating the handle plate 16, the handle plate 16 can be rotated out from the inside of the fixing plate 14 for use, and then the winch can be easily transported and moved by holding the handle plate 16, and the winch can be easily lifted by passing the connecting rope through the handle groove 18, so that the winch can meet more usage requirements.

[0030] The top of the handle 16 is arranged in an arc shape; when working, the handle 16 is convenient to rotate inside the groove 15, and the handle 16 is convenient to rotate for use.

[0031] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An elevator traction machine, comprising a machine base (6) and a machine casing (9), wherein a straight opening of the machine casing (9) is fitted with a rear end straight opening of the machine base (6), and the machine casing (9) and the machine base (6) are fixedly mounted by bolts; Its characteristics are: The base (6) is rotatably connected to a rotating shaft (1) via a bearing (3), the left end of the rotating shaft (1) extends to the inside of the casing (9), the left side of the outer surface of the rotating shaft (1) is clamped with a rotor yoke (2) via a retaining spring, the inside of the casing (9) is pressed with a winding core (8) via a tool, a friction disk (4) is provided inside the base (6), a brake (12) is fixedly installed on the right side of the base (6) via bolts, an encoder (5) is provided on the right side of the base (6), and the encoder (5) is fixedly installed with the brake (12).

2. An elevator traction machine according to claim 1, characterized in that: A sealing plate (7) is fixedly connected to the left side of the casing (9).

3. The elevator traction machine according to claim 2, characterized in that: The bearing (3) on the right side is fixedly mounted on the machine base (6) via a cover plate (11), and the cover plate (11) is fixedly mounted on the machine base (6) via bolts.

4. The elevator traction machine according to claim 3, characterized in that: A junction box (10) is fixedly mounted at the wire outlet hole on the top of the casing (9).

5. The elevator traction machine according to claim 4, characterized in that: Both the front and rear surfaces of the machine base (6) are fixedly connected with a shield (13), and the shield (13) is arranged in a long strip shape.

6. The elevator traction machine according to claim 5, characterized in that: The invention also includes a gripping assembly, which includes a fixing plate (14) fixedly connected to both sides of the outer surface of the housing (9), a through groove (15) is provided at the bottom of the fixing plate (14), a handle plate (16) is rotatably connected to the inside of the groove (15) through a rotating rod (17), and a through handle groove (18) is provided inside the handle plate (16).

7. The elevator traction machine according to claim 6, characterized in that: The top of the handlebar (16) is arranged in an arc shape.

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