Heavy-load steel belt traction machine

Abstract

The utility model discloses a heavy-load steel belt traction machine, which is characterized in that a steel belt traction car is sleeved in an area of a main shaft corresponding to a traction wheel, so that the load capacity is improved, the size of the whole traction machine does not need to be enlarged, and the traction machine is suitable for elevator installation operation of various building hoistways. The traction device comprises a machine base, the machine base comprises a motor stator installation cavity and a traction wheel installation cavity, the traction wheel installation cavity is a hollowed-out installation cavity and is composed of two side supporting plates, an upper transverse plate and a lower transverse plate, and the bottoms of the two side supporting plates are supporting planes; the motor comprises a stator core and a rotor; the main shaft comprises a first end, a fixed connection rotor end, a first bearing positioning end, a steel belt wheel, a second bearing positioning end and a second convex end; and a disc brake; a stator iron core is fixedly sleeved with the motor stator installation cavity, a rotor is arranged in an inner cavity of the stator iron core, and a fixed connection rotor end of a main shaft is fixedly inserted in an inner cavity of the rotor.

Description

Technical Field

[0001] The utility model relates to the technical field of traction machine structures, in particular to a heavy-load steel belt traction machine. Background Art

[0002] The existing traction machines have a traction wheel arranged at one end of the machine base, that is, a traction wheel is sleeved on the output main shaft of each traction machine, and the traction wheel needs to be assembled on the main shaft through a fixed structure or a preset concave-convex groove, and the traction wheel assembled on the main shaft is generally provided with a wire rope, and the load weight of the car corresponding to the wire rope is limited, so it is necessary to extend or thicken the main shaft, and thus set multiple wire ropes, so that the traction machine can hoist a larger and heavier car, and the car can carry more weight. The above thickening or extending the main shaft will increase the size of the entire traction machine, thereby increasing the volume of the entire traction machine, which in turn leads to a large preset space requirement at the top of the shaft, but the shaft space height of some buildings is relatively limited, so it is urgent to develop a traction machine suitable for large loads. Summary of the invention

[0003] In view of the above problems, the utility model provides a large-load steel belt traction machine, in which a steel belt traction car is sleeved on the area of ​​the main shaft corresponding to the traction wheel, thereby improving the load capacity without increasing the size of the overall traction machine, and is suitable for elevator installation operations in the shafts of various buildings.

[0004] The heavy-duty steel belt traction machine is characterized in that it comprises:

[0005] The machine base includes a motor stator mounting cavity and a traction wheel mounting cavity. The traction wheel mounting cavity is a hollow mounting cavity. The traction wheel mounting cavity is composed of two side support plates, an upper horizontal plate, and a lower horizontal plate. The bottoms of the two side support plates are support planes.

[0006] A motor, comprising a stator core and a rotor;

[0007] A main shaft, comprising a first end, a fixed rotor end, a first bearing positioning end, a steel pulley, a second bearing positioning end, and a second outer convex end;

[0008] and disc brakes;

[0009] A stator core is fixedly sleeved in the stator mounting cavity of the motor, a rotor is arranged in the inner cavity of the stator core, a fixed rotor end of the main shaft is fixedly inserted in the inner cavity of the rotor, the main shaft passes through the traction wheel mounting cavity along the length direction and then protrudes outward, and a second protruding end is provided, the main shaft is respectively fixedly sleeved with a first bearing and a second bearing at the two ends of the length corresponding to the traction wheel mounting cavity, the support plates on both sides are respectively provided with through positioning holes corresponding to the first bearing and the second bearing, the area between the support plates on both sides of the main shaft corresponding to the main shaft is a steel belt pulley integrated with the main shaft, a plurality of reinforcing rib convex rings are arranged at intervals on the outer circumference of the steel belt pulley, the outer ring surface between adjacent reinforcing rib convex rings is provided with steel belts of corresponding widths, which facilitates the reliable arrangement of steel belts of different widths, and the disc brake is provided at the second protruding end of the main shaft.

[0010] It is further characterized by:

[0011] An end cover of the motor stator installation cavity away from the traction wheel installation cavity is provided with a closed end cover, and a junction box is fixedly installed on the outer surface of the closed end cover to facilitate reliable and convenient connection of the circuit;

[0012] A first encoder installation position is arranged at the center of the second outer convex end of the spindle, a second encoder installation position is arranged at the center of the first end of the spindle, a first avoidance hole is arranged at the disc brake corresponding to the first encoder installation position, and a second avoidance hole is arranged at the closed end cover corresponding to the second encoder installation position, so that the encoder can be reliably and quickly installed at one or two locations according to actual needs, ensuring the convenience of disassembly, assembly and maintenance;

[0013] Two lower convex baffles are respectively arranged at intervals at the front and rear vertical positions of the upper horizontal plate, and the lower convex baffles are used to reliably guide the winding or unwinding of the steel strip to ensure the reliable running track of the steel strip;

[0014] The upper surface of the upper transverse plate is provided with upper convex hooks at positions corresponding to the supporting plates on both sides, so that the entire traction machine can be hoisted.

[0015] After adopting the above technical scheme, the motor is integrated into the motor mounting cavity, and the two ends of the main shaft are supported on the side support plates on both sides of the traction wheel mounting cavity through the first bearing and the second bearing respectively, and the area between the support plates on both sides of the main shaft corresponding to the main shaft is a steel belt pulley integrated with the main shaft, and a number of reinforcing rib convex rings are arranged at intervals on the outer circumference of the steel belt pulley, and the outer ring surface between adjacent reinforcing rib convex rings is sleeved with steel belts of corresponding widths, which facilitates the reliable arrangement of steel belts of different widths, and makes the main shaft and the traction wheel for winding the steel belt an integrated structure, thereby improving the rigidity of the entire structure, and both ends of the steel belt pulley are supported on the side support plates through bearings, and its load-bearing performance is stable and reliable; the area of ​​the main shaft corresponding to the traction wheel is sleeved with a steel belt traction car, which improves the load-bearing capacity and does not need to expand the overall traction machine size, and is suitable for elevator installation operations in the shafts of various buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional Figure 1 Structural diagram;

[0017] Figure 2 The three-dimensional Figure 2 Structural diagram;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0019] The names corresponding to the serial numbers in the figure are as follows:

[0020] First encoder installation position 1, second encoder installation position 2, first avoidance hole 3, second avoidance hole 4;

[0021] Base 10, motor 20, stator core 21, rotor 22, main shaft 30, first end 31, fixed rotor end 32, first bearing positioning end 33, steel pulley 34, reinforcing rib convex ring 341, second bearing positioning end 35, second outer convex end 36, disc brake 40, brake disc 41, brake pad 42, drive part 43, motor stator mounting cavity 50, traction wheel mounting cavity 60, side support plate 61, upper cross plate 62, lower cross plate 63, first bearing 70, second bearing 80, closed end cover 90, junction box 100, encoder 110, lower convex baffle 120, upper convex hook 130. DETAILED DESCRIPTION

[0022] Heavy-duty steel belt traction machine, see Figure 1-Figure 3 , which includes a base 10, a motor 20, a spindle 30, and a disc brake 40,

[0023] The base 10 includes a motor stator mounting cavity 50 and a traction wheel mounting cavity 60. The traction wheel mounting cavity 60 is a hollow mounting cavity. The traction wheel mounting cavity 60 is composed of two side support plates 61, an upper horizontal plate 62, and a lower horizontal plate 63. The bottoms of the two side support plates 61 are support planes.

[0024] The motor 20 includes a stator core 21 and a rotor 22;

[0025] The main shaft 30 includes a first end 31, a fixed rotor end 32, a first bearing positioning end 33, a steel pulley 34, a second bearing positioning end 35, and a second outer protruding end 36;

[0026] The disc brake 40 includes a brake disc 41, a brake pad 42 and a driving portion 43 of the brake pad;

[0027] A stator core 21 is fixedly sleeved in the stator mounting cavity 50 of the motor, a rotor 22 is arranged in the inner cavity of the stator core 21, a fixed rotor end 32 of the main shaft 30 is fixedly inserted in the inner cavity of the rotor 22, the main shaft 30 passes through the traction wheel mounting cavity 60 along the length direction and then protrudes outward, and is provided with a second convex end 36, the main shaft 30 is respectively fixedly sleeved with a first bearing 70 and a second bearing 80 at the two ends of the length corresponding to the traction wheel mounting cavity 60, and the support plates 61 on both sides are respectively provided with through positioning holes corresponding to the first bearing 70 and the second bearing 80, the area between the support plates 61 on both sides of the main shaft 30 is a steel pulley 34 integrated with the main shaft, a plurality of reinforcing rib convex rings 341 are arranged at intervals on the outer circumference of the steel pulley 34, and the outer ring surface between adjacent reinforcing rib convex rings 341 is provided with steel belts of corresponding widths, which facilitates the reliable arrangement of steel belts of different widths, and the disc brake 40 is arranged at the second convex end of the main shaft 30.

[0028] In a specific implementation, an end cover of the motor stator installation cavity 50 away from the traction wheel installation cavity 60 is provided with a closed end cover 90, and a junction box 100 is fixedly installed on the outer surface of the closed end cover 90, so as to facilitate reliable and convenient connection of the circuit;

[0029] A first encoder mounting position 1 is arranged at the center position of the second outer protruding end 36 of the main shaft 30, a second encoder mounting position 2 is arranged at the center position of the first end 31 of the main shaft 30, a first avoidance hole 3 is arranged at the disc brake 40 corresponding to the first encoder mounting position 1, and a second avoidance hole 4 is arranged at the closed end cover 90 corresponding to the second encoder mounting position 2, which enables the encoder 110 to select one or two locations for reliable and quick installation according to actual needs, thereby ensuring the convenience of disassembly, assembly and maintenance.

[0030] In a specific embodiment, encoders 110 are disposed at both the first encoder installation position 1 and the second encoder installation position 2 .

[0031] Two lower convex baffles 120 are respectively arranged at intervals at the front and rear vertical positions of the upper horizontal plate 62. The lower convex baffles 120 are used to reliably guide the winding or unwinding of the steel strip to ensure the reliable running track of the steel strip.

[0032] The upper surface of the upper transverse plate 62 is provided with upper protruding hooks 130 at positions corresponding to the supporting plates on both sides, so that the entire traction machine can be hoisted.

[0033] In a specific embodiment, the brake disc 41 of the disc brake 40 is fixedly mounted on the second outer protruding end 36 of the main shaft 30, the brake pad 42 is arranged toward the brake disc 41, and the driving part 43 drives the brake pad 42 to be arranged close to or away from the brake disc 41. Since the steel belt pulley 34 is arranged in the area between the disc brake 40 and the motor 20, the area with the highest rigidity of the entire main shaft 30 is used to support the steel belt. The two sides of the steel belt pulley 34 are respectively reliably supported by side support plates 61 with good rigidity, which ensures the reliable premise of large load-bearing capacity, and the machine base 10 in the mechanism is cast in one piece by cast iron, which further ensures the strength of the machine base.

[0034] In a specific embodiment, the outer diameter of the steel pulley 34 is 120 mm, which will not increase the volume of the entire traction machine.

[0035] The principle is as follows: the motor is integrated in the motor mounting cavity, and the two ends of the main shaft are supported on the side support plates on both sides of the traction wheel mounting cavity through the first bearing and the second bearing respectively, and the area between the support plates on both sides of the main shaft corresponding to the main shaft is a steel belt pulley integrated with the main shaft, and a number of reinforcing rib convex rings are arranged at intervals on the outer circumference of the steel belt pulley, and the outer ring surface between adjacent reinforcing rib convex rings is sleeved with steel belts of corresponding widths, which facilitates the reliable arrangement of steel belts of different widths, and makes the main shaft and the traction wheel for winding the steel belt an integrated structure, thereby improving the rigidity of the entire structure, and both ends of the steel belt pulley are supported on the side support plates through bearings, and its load-bearing performance is stable and reliable; the area of ​​the main shaft corresponding to the traction wheel is sleeved with a steel belt traction car, which improves the load-bearing capacity and does not need to expand the overall traction machine size, and is suitable for elevator installation operations in the shafts of various buildings.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Heavy-duty steel belt traction machine, characterized in that: It includes: The machine base includes a motor stator mounting cavity and a traction wheel mounting cavity. The traction wheel mounting cavity is a hollow mounting cavity. The traction wheel mounting cavity is composed of two side support plates, an upper horizontal plate, and a lower horizontal plate. The bottoms of the two side support plates are support planes. A motor, comprising a stator core and a rotor; A main shaft, comprising a first end, a fixed rotor end, a first bearing positioning end, a steel pulley, a second bearing positioning end, and a second outer convex end; and disc brakes; A stator core is fixedly sleeved in the stator mounting cavity of the motor, a rotor is arranged in the inner cavity of the stator core, a fixed rotor end of the main shaft is fixedly inserted in the inner cavity of the rotor, the main shaft passes through the traction wheel mounting cavity along the length direction and then protrudes outward, and a second protruding end is provided, the main shaft is respectively fixedly sleeved with a first bearing and a second bearing at the two ends of the length corresponding to the traction wheel mounting cavity, the support plates on both sides are respectively provided with through positioning holes corresponding to the first bearing and the second bearing, the area between the support plates on both sides of the main shaft corresponding to the main shaft is a steel belt pulley integrated with the main shaft, a plurality of reinforcing rib convex rings are arranged at intervals on the outer circumference of the steel belt pulley, the outer ring surface between adjacent reinforcing rib convex rings is provided with steel belts of corresponding widths, which facilitates the reliable arrangement of steel belts of different widths, and the disc brake is provided at the second protruding end of the main shaft.

2. The heavy-duty steel belt traction machine according to claim 1, characterized in that: An end cover of the motor stator installation cavity away from the traction wheel installation cavity is provided with a closed end cover, and a junction box is fixedly installed on the outer surface of the closed end cover.

3. The heavy-duty steel belt traction machine according to claim 2, characterized in that: A first encoder installation position is arranged at the center position of the second outer protruding end of the main shaft, a second encoder installation position is arranged at the center position of the first end of the main shaft, a first avoidance hole is arranged at the disc brake corresponding to the first encoder installation position, and a second avoidance hole is arranged at the closed end cover corresponding to the second encoder installation position.

4. The heavy-duty steel belt traction machine according to claim 1, characterized in that: Two lower convex baffles are arranged at intervals at the front and rear vertical positions of the upper horizontal plate, respectively, and the lower convex baffles are used to reliably guide the winding or unwinding of the steel strip.

5. The heavy-duty steel belt traction machine according to claim 1, characterized in that: The upper surface of the upper horizontal plate is respectively provided with upper convex hooks at positions corresponding to the supporting plates on both sides.

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