TWI764330B - Elevator tractor - Google Patents

Abstract

The invention relates to a structure of an elevator tractor, which is mainly equipped with a motor capacitor in the base of a tractor, and a correspondingly established stator and rotor in the motor capacitor, and an output shaft in the center of the rotor, and a fixed seat in the front of the base of the elevator, connects the front and rear ends of the output shaft with the cradle and the fixed seat respectively, and positions a traction sheave at the middle of the output shaft. Accordingly, the radial load acting on the traction sheave can be supported by the cradle and the fixed seat at the front and rear ends of the output shaft to prevent eccentricity of the output shaft. Further, the invention places a rotary encoder on the front side of the tractor, which can provide the convenience of repairing the rotary encoder in case of failure. Additionally, the fixed seat has a cable guard incorporated in the holder to cover the top of the traction sheave, which is provided to prevent the cable from jumping off from the traction sheave.

Description

Elevator traction machine structure

The present invention relates to an elevator traction machine structure, especially a structure that can avoid the eccentric problem of the output shaft of the traction machine, and can improve the service life of the traction machine and the efficiency of maintenance.

Press, the existing traction machine is mainly equipped with a corresponding stator and a rotor in the motor cavity of the machine base, and a power output shaft is set in the center of the rotor, and a traction sheave is set at the front end of the output shaft. A rotary encoder is assembled on the rear side at the rear end of the output shaft, and a steel cable anti-dropping rod is arranged on the front side of the machine base. Therefore, when the hoisting machine is started to operate, power is supplied to the stator to generate a rotating magnetic field between the stator and the rotor, so as to drive the output shaft of the rotor to rotate, and then drive the traction sheave connected to the output shaft to rotate, thereby driving the traction sheave on the traction sheave. When the wire rope pulls the elevator car or the counterweight and other loads up and down, when the output shaft rotates, the rotary encoder system will synchronously detect the output shaft speed and convert it into the real-time position of the elevator car displacement. Wire rope anti-slip bar to bounce the wire back into place.

However, the front end of the output shaft of the existing traction machine is suspended in the air and lacks support. When the traction machine operates, the radial load generated by the weight of the carriage, the balance weight, the personnel load and the reaction force will act on the traction sheave through the traction sheave. On the output shaft, the output shaft is easily eccentric due to the radial load and heavy pressure, resulting in premature damage and loss of the traction machine. In addition, the rotary encoder of the existing traction machine is installed on the back side of the machine base, so that The distance between the rear side of the machine base and the wall of the elevator shaft cannot be effectively reduced, which not only takes up space Installation is inconvenient, and when the rotary encoder fails and needs to be repaired, the entire traction machine must be removed, and then the traction machine is turned back and forth before the rotary encoder can be repaired and replaced, resulting in the maintenance and replacement of the rotary encoder. It is very inconvenient, and the existing traction machine uses the wire rope anti-dropping rod to bounce the wire back to the limit when the wire rope is about to jump off. room for improvement. In addition, when the elevator car stops running due to stopping, power failure, etc., although the existing traction machine can manually move the elevator car to the designated floor through the cranking machine to provide rescue for the people or objects in the elevator car, the cranking machine is installed. It takes up a certain space and causes complexity in the design of the mechanism.

The reason is that the inventors of the present invention have developed the present invention with the help of years of experience and knowledge in manufacturing and design in the related fields in view of the above-mentioned deficiencies in the use and implementation of the existing traction machines.

The present invention relates to an elevator traction machine structure, and one of its objectives is to connect the front and rear ends of the output shaft of the traction machine to the bearings of the machine base and the fixed seat respectively, so as to solve the problem that the output shaft will be Radial load causes eccentricity problem; the second purpose is to set the rotary encoder on the front side of the traction machine to solve the problem that the rotary encoder is not easy to maintain and replace; the third purpose is that the upper cover of the traction sheave is provided with a steel cable anti-drop plate to avoid traction The wire rope on the pulley is tripped, which enhances the safety of the elevator installation; its four purposes are to make the stator wound into a ring body from a long strip of silicon steel sheet, so as to reduce the volume of the stator and reduce the man-hour and cost of manufacturing the stator, and Increase the cross-sectional area of the coils in each winding slot of the stator to improve the current per unit area, torque and power generation efficiency. The fifth purpose is to lock a crank adapter to the other end of the output shaft relative to the rotary encoder, so as to facilitate the assembly with the crank, and manually detect whether the output shaft has abnormal noise interference or rust, or In the event of a power failure or failure to stop, it is convenient for rescuers to provide rescuers to people or objects locked in the elevator car.

In order to achieve the above-mentioned implementation purpose, the present inventor has developed the following elevator traction machine structure, which is mainly provided with a chassis of the traction machine, and a motor cavity is formed in the chassis, and a motor cavity is provided in the motor cavity. Correspondingly set up a stator and a rotor. The stator is integrally wound by a long strip of silicon steel to form a ring body, and an output shaft is arranged in the center of the rotor, and a traction wheel is assembled on the output shaft. , in addition, a first group of holes is arranged in the base, and the rear end of the output shaft passes through the first group of holes in the base, and a fixing seat is arranged so that the fixing seat is located on the front side of the base, and It is connected with the front side of the base, and a second group of holes is arranged on the fixed base, and the front end of the output shaft is passed through the second set of holes in the fixed base, and a space is formed between the fixed base and the base. The accommodating section is formed, and an opening is formed on the left and right sides of the accommodating section, and the traction sheave is located in the accommodating section, and the traction sheave is set at the middle position of the output shaft. There is a cranking adapter, and the cranking adapter is assembled at the center of one end of the output shaft.

The elevator traction machine structure as described above, wherein the first group of holes of the machine base is provided with at least one first bearing, and the second group of holes of the fixed seat is provided with at least one second bearing, so that the The rear end of the output shaft passes through the first bearing in the first set of holes in the base, and the front end of the output shaft passes through the second bearing in the second set of holes in the fixing base.

The elevator traction machine structure as described above, wherein, the elevator traction machine structure further includes a rotary encoder, and the rotary encoder is located on the opposite side of the barring adapter, so that the rotary encoder can be selectively It is assembled at the front side of the fixed seat and corresponds to the front end position of the output shaft, and the cranking adapter is relatively assembled at the center of the rear end of the output shaft; or the rotary encoder is selected The crank adaptor is assembled at the rear side of the machine base, corresponding to the rear end of the output shaft, and the crank adapter is relatively assembled at the center of the front end of the output shaft.

The elevator traction machine structure as described above, wherein, the rotary encoder is provided with a detection pin, and a slot is respectively provided at the center of the front end and the rear end of the output shaft, and a protective cover is provided, and the protective cover is An insert groove is formed on its inner surface, and a number of lock holes are arranged on the peripheral side of the protective cover; and the cranking adapter is fastened to a The end is provided with a locking section, and the other is provided with a cover, the cover is provided with a hole in the center, and a number of lock holes are arranged on the peripheral side of the cover; so that the rotary encoder can be selectively arranged on the fixed seat At the second group of holes, the detection pin is positioned corresponding to the slot inserted in the front end of the output shaft, and the protective cover is located on the front side of the fixed seat, so as to cover the rotary encoder and make the The rotary encoder is embedded in the groove on the inner surface of the protective cover for positioning, and each locking hole of the protective cover is respectively provided with a locking member to be locked and combined with the fixed seat, and the lock of the turning adapter The connecting section is correspondingly locked in the slot at the rear end of the output shaft, and the cover is located on the rear side of the base, so as to cover the rear side of the first set of holes of the base inside, and the cover is located on the back side of the base. Each locking hole is respectively provided with a locking member to be locked and combined with the base, and the other end of the barring adapter relative to its locking section is located outside the hole of the cover; or the rotary encoder is It is selectively arranged at the first group of holes of the base, so that the detection pin is positioned corresponding to the slot inserted in the rear end of the output shaft, and the protective cover is located at the rear side of the base, so that the The rotary encoder is covered inside, and the rotary encoder is embedded in the groove on the inner surface of the protective cover for positioning, and a locking member is respectively drilled in each locking hole of the protective cover to be locked and combined with the base , and the locking section of the cranking adapter is correspondingly locked in the slot at the front end of the output shaft, and the cover is located on the front side of the fixed seat, so that the front side of the second set of holes of the fixed seat is covered on the front side of the fixed seat. Inside, a locking member is respectively pierced through each locking hole of the cover to be locked and combined with the fixed seat, and the other end of the barring adapter relative to its locking section is located outside the hole of the cover .

As mentioned above, the elevator traction machine structure, wherein a steel cable anti-dropping plate is set on the fixing base, and the steel cable anti-dropping plate is covered above the traction sheave.

The elevator traction machine structure as described above, wherein the stator is assembled at the center of the cavity bottom of the motor cavity of the machine base, and a number of magnet pieces are assembled on the peripheral side of the rotor, and the magnet pieces of the rotor are assembled. around the stator.

The elevator traction machine structure as described above, wherein the rotor is arranged at the center of the cavity bottom of the motor cavity of the machine base, and a number of magnet pieces are arranged on the peripheral side of the rotor, and the stator is arranged at the center of the motor cavity. The cavity wall of the motor cavity allows the stator to surround the magnet pieces of the rotor.

The elevator traction machine structure as described above, wherein, the elevator traction machine structure is further installed with at least two brake units, and the brake units are drum brakes, plate brakes or disc brakes; in the elevator traction machine structure At least one of the drum brake, plate brake and disc brake is installed; or the drum brake and the disc brake are installed on the elevator traction machine structure; or the elevator traction machine structure is installed with the Plate brakes and a disc brake; the drum brake and plate brake system includes a braking power source, and the braking power source group is arranged on the base, and two brake pads are connected to the braking power source, and make The two brake pads are respectively located at the openings on both sides of the accommodating area formed between the fixed base and the machine base, and correspond to the position of the traction wheel; in addition, the disc brake system includes a braking power source, which makes the disc brake The brake power source set is set on the base, and a brake pad is connected to the brake power source of the disc brake, and the brake pad is corresponding to the rear end position of the output shaft; or the braking power of the disc brake is The source group is arranged on the fixed seat, and a brake pad is connected to the braking power source of the disc brake, and the brake pad is corresponding to the position of the front end of the output shaft.

In this way, when the traction machine is actuated, a radial load is generated due to the weight of the carriage. When acting on the output shaft through the traction sheave, the radial load acting on the traction sheave can be supported by the bearings provided at the front and rear of the output shaft. In order to prevent the eccentricity of the output shaft, the radial load system can be transmitted to the machine base and the fixed seat to evenly distribute the radial load to prevent the output shaft from prematurely breaking and damaging. Furthermore, in the present invention, the rotary encoder is arranged on the front side of the traction machine, so that the rear side of the machine base of the traction machine can directly abut against the wall of the elevator shaft, so as to save the space occupied by the traction machine during installation, so as to facilitate the traction machine. The planning of the optimal placement of the traction machine, and when the rotary encoder fails and needs to be repaired, the staff can directly repair or replace the rotary encoder located on the front side of the traction machine, so as to omit the need to install the entire traction machine. Remove and then turn the traction machine back and forth to improve the convenience of maintenance and replacement of the rotary encoder. In addition, according to the present invention, a wire rope anti-separation plate is arranged on the fixed seat to cover the top of the traction sheave, so as to avoid the wire rope on the traction sheave from jumping off, so that the wire rope can maintain the state of being wound on the traction sheave in an orderly manner. , in order to facilitate the smooth and stable lifting of the elevator car, and when When the wire rope is about to jump out, the wire rope anti-dropping plate has the function of deceleration and braking to avoid danger, which is a safety structure that can enhance the safety of the elevator installation. A crank adapter is locked to the other end of the output shaft relative to the rotary encoder to be assembled with a crank, and can be held on the crank to drive the output shaft to rotate, so as to facilitate the detection of abnormal noise on the output shaft In addition, when the elevator car stops running due to stoppage or power failure, it is also possible to quickly and easily assemble the cranking machine to the cranking adapter to manually move the elevator car to the designated floor. Eli provides rescuers to people or objects locked in the elevator car.

1: base

11: Motor cavity

12: Assembly Department

121: The first group of holes

13: The first bearing

14: capping

141: Perforation

15: Lock firmware

2: Stator

3: Rotor

31: Magnet sheet

32: output shaft

321: slot

322: slot

4: Fixed seat

41: Accommodating interval

42: The second set of holes

43: Second bearing

5: Traction wheel

6: Rotary encoder

61: detect tip

62: cover

621: Groove

63: Lock firmware

7: crank

71: Engagement slot

72: Barring adapter

721: Locking Section

722: Articulation Block

8: Wire rope anti-drop plate

9: Brake unit

91: Drum brakes

911: Brake power source

912: Drive shaft

913: Brake Arm

914: Brake pads

915: Elastic Components

92: Plate brakes

921: Brake Power Source

922: Brake pads

93: Disc Brake

a: steel cable

Figure 1: Front view of the present invention

Figure 2: Cross-sectional exploded view of the present invention

Figure 3: Sectional view of the present invention

The fourth figure: the stator winding state diagram of the present invention

Figure 5: Front view of the second embodiment of the present invention

Figure 6: Front view of another embodiment of the present invention

Figure 7: Cross-sectional view of another embodiment of the present invention

In order to make the technical means of the present invention and the effects that can be achieved, more complete and clear disclosure, the detailed description is as follows, please refer to the disclosed drawings and drawing numbers: First, please refer to the first to third As shown in the figure, the elevator traction machine structure of the present invention is mainly provided with a machine base (1) of the traction machine, and a motor cavity (11) is arranged in the machine base (1), and the motor The cavity (11) has a set of vertical parts (12) formed at the center of the cavity bottom, and a stator (2) is sleeved on the set of vertical parts (12), and the stator (2) is integrally rolled by a long strip of silicon steel sheet It is wound into a ring body (as shown in the fourth figure), and the stator (2) is provided with several winding slots at intervals, so that a coil of copper wire is respectively wound in each winding slot, and another coil of copper wire is wound on the stator (2). A rotor (3) is arranged in the capacity chamber (11), and a number of magnet pieces (31) are arranged on the circumference of the rotor (3) to surround the stator (2) and set up corresponding to the stator (2). , and an output shaft (32) is arranged in the center of the rotor (3), and a first group of holes (121) is arranged in the assembly portion (12), and at least A first bearing (13), and the rear end of the output shaft (32) is passed through the first bearing (13), and a fixing seat (4) is provided, so that the fixing seat (4) is located on the machine seat (1) The front side is connected with the front side of the machine base (1), and a accommodating section (41) is formed between the fixing base (4) and the machine base (1). The accommodating section (41) is left, The right two sides are formed with open openings, and the fixing seat (4) is provided with a second group of holes (42), and at least one second bearing (43) is assembled in the second group of holes (42), and The front end of the output shaft (32) is connected to the second bearing (43), and a traction sheave (5) is assembled on the output shaft (32), and the traction sheave (5) is located in the accommodating section (41), so that the traction sheave (5) is arranged at the middle position of the output shaft (32), and a rotary encoder (6) is arranged on the front side of the fixed seat (4) at the second group of holes (42). ) to correspond to the front end of the output shaft (32), and a slot (321) is provided at the front end of the output shaft (32) for the detection pin (61) of the rotary encoder (6) to be inserted and set correspondingly There is also a protective cover (62), an insert groove (621) is formed on the inner surface of the protective cover (62), and a number of lock holes are arranged on the peripheral side of the protective cover (62), so that the protective cover (62) ) is located on the front side of the fixed seat (4), and covers the rotary encoder (6) inside, and makes the rotary encoder (6) embedded in the embedded groove (621) on the inner surface of the protective cover (62), A locking member (63) is respectively pierced through each locking hole of the protective cover (62), so as to be correspondingly locked and combined with the predetermined locking hole of the fixing seat (4), and the rotary encoder (6) is positioned. In the second set of holes (42) of the fixing seat (4), a cover (14) is provided on the rear side cover of the machine seat (1), and the cover (14) is provided with several locking holes on the peripheral side , and each locking hole of the cover (14) is respectively provided with a locking member (15), so as to be correspondingly locked and combined with the predetermined locking hole on the rear side of the base (1), and the base (1) ) The rear side of the first group of holes (121) is covered to prevent dust or foreign matter from entering the machine base (1) from the rear side of the first group of holes (121), and at the outer side of the cover (14) The system can be provided with a crank (7), the crank (7) is formed with a polygonal connecting groove (71) in the center, and a crank adapter (72) is also provided, and the crank adapter (72) One end is a locking section (721), and the opposite end is a polygonal connecting block (722), which enables the locking section (721) of the cranking adapter (72) to be locked to the output force In a preset slot (322) at the center of the rear end of the shaft (32), the cover (14) There is a wear A hole (141) is formed, and the polygonal engaging block (722) of the barring adapter (72) is located outside the through hole (141) so as to be correspondingly engaged with the polygonal connector groove (71) of the barring (7). , In addition, a steel cable anti-stripping plate (8) is arranged on the fixed seat (4), and the steel cable anti-stripping plate (8) is covered above the traction sheave (5), and a braking unit (9) is also provided, The braking unit (9) can be a drum brake (91), which includes a set of braking power sources (911) arranged on the machine base (1), the braking power source (911) can be a solenoid valve, and makes The braking power source (911) is provided with two opposite transmission shafts (912), and is further provided with two braking arms (913), and the two braking arms (913) are located on the left and right sides of the accommodating section (41) respectively The opening is opened, and the upper ends of the two brake arms (913) are respectively assembled with the transmission shaft (912) of a braking power source (911), and the bottom ends of the two brake arms (913) are respectively connected with the base. (1) They are pivotally connected, and the two brake arms (913) are provided with a brake pad (914) on the inside of the openings corresponding to the left and right sides of the accommodating section (41), and are connected with the traction sheave. (5) The positions correspond to each other, and the brake arm (913) is assembled with the base (1) by an elastic component (915) between its upper and lower ends.

Accordingly, when the traction machine of the present invention is installed or used (especially when it has not been used for a period of time), the crank (7) can be connected to the output shaft (32) through the crank adapter (72). ), the staff can hold the crank (7) by hand to drive the output shaft (32) to rotate through the crank (7), so as to manually detect whether the output shaft (32) has abnormal noise interference or rust In other cases, the manual inspection operation can also be performed during general inspection and maintenance. When the inspection is qualified, the crank (7) can be separated and removed. Then, the traction machine of the present invention can be installed in the elevator shaft of the building. Since the rotary encoder (6) is assembled at the front side of the fixed seat (4) in the present invention, the rear side of the machine seat (1) is It can be directly abutted against the wall of the elevator shaft to save the space occupied by the present invention when it is installed. In addition, when the rotary encoder (6) fails and needs to be repaired, the staff can directly adjust the installation on the front side of the fixed seat (4). The rotary encoder (6) is repaired or replaced, and the steps of disassembling the entire traction machine and then turning the traction machine back and forth are omitted, so as to greatly improve the convenience of maintenance and replacement of the rotary encoder (6). Furthermore, when the elevator car stops running due to stopping, power failure, etc., the cranking adapter (72) can be installed to easily assemble the cranking adapter (72) and then use the cranking adapter (72). Manually, move the elevator car to the designated floor, so as to provide rescuers to the people or objects locked in the elevator car.

Furthermore, when the traction machine of the present invention operates, power is supplied to the stator (2) to generate a rotating magnetic field with the rotor (3) to drive the rotor (3) to rotate. The integral winding design of the sheet can not only reduce the volume of the stator (2), reduce the waste of silicon steel sheet material, shorten the manufacturing time and reduce the height of the winding coil, but also effectively increase the cross-sectional area of the coil in each winding slot of the stator (2). In order to improve the winding coefficient and increase the slot ratio of the coil, the effect of increasing the current per unit area and improving the torque and power generation efficiency is achieved.

When the rotor (3) drives the connected traction sheave (5) to rotate through the output shaft (32), the open openings on the left and right sides of the accommodating section (41) of the traction sheave (5) are used, The system can produce forced convection effect when the traction sheave (5) rotates, so as to reduce the temperature rise effect of the traction sheave (5) during operation, and improve the operation efficiency of the traction sheave (5), and then it is wound around the traction sheave (5) The wire rope (a) above will pull the elevator car up and down. At this time, the rotary encoder (6) corresponding to the front end position of the output shaft (32) will detect the rotation speed of the output shaft (32) and convert it into The real-time position of the displacement of the elevator car, and by matching the detection pin (61) of the rotary encoder (6) with the slot (321) of the output shaft (32) to insert the setting design, the rotary encoder (6) can be added. ) of the signal resolution and signal feedback speed, thereby achieving the effect of improving the control accuracy.

And when the elevator car reaches the preset floor and wants to suspend operation, the brake power source (911) of the drum brake (91) is driven, so that the two drive shafts (912) of the brake power source (911) drive the two brakes respectively The arm (913) is actuated, so that the brake pads (914) assembled by the two brake arms (913) enter the accommodating area (41) through the openings on the left and right sides of the accommodating area (41) respectively, so as to press against On both sides of the traction sheave (5), the rotation of the traction sheave (5) is stopped, so as to achieve the effect of stopping the elevator car at a desired floor position. When the braking of the traction sheave (5) is to be released, the two drive shafts (912) of the braking power source (911) drive the two brake arms (913) to reset, so that the brake pads (914) on the two brake arms (913) are reset. ) is released from the pressing on the traction sheave (5), so that the traction sheave (5) can be returned to run, so as to drive the elevator car to move up and down.

In addition, the output shaft (32) of the present invention is supported by the first bearing (13) and the second bearing (43) provided at the front and rear ends, so that the traction sheave (5) is located on the output shaft (32) The design of the middle position can avoid radial load caused by the weight of the carriage, the balance weight, the personnel load and the reaction force. When used for the output shaft (32), the problem of eccentricity of the output shaft (32) is caused, and the radial load acting on the output shaft (32) can be transmitted to the output shaft (32) through the first bearing (13) and the second bearing (43). The machine base (1) and the fixing base (4) are used to evenly disperse the radial load borne by the output shaft (32), so as to prevent the output shaft (32) from being broken and damaged in advance. In addition, the present invention can effectively prevent the wire rope (a) on the traction sheave (5) from jumping out by means of the wire rope anti-separation plate (8) covering the top of the traction sheave (5), so that the wire rope (a) ) to maintain an orderly winding state on the traction sheave (5) to facilitate the smooth and stable lifting of the elevator car, and when the wire rope (a) is about to jump out, the wire rope anti-separation plate (8) has a deceleration Braking function to avoid danger, it is a safety structure that can enhance the safety of elevator installations.

Furthermore, the brake unit (9) of the present invention is not only a drum brake (91), please refer to the fifth figure, but also a plate brake (92). The plate brake (92) is mainly used in the A braking power source (921) is provided on each of the left and right sides of the machine base (1), the braking power source (921) can be a solenoid valve, and the drive shaft of the braking power source (921) is assembled There is a magnetic brake piece (922), and the two magnetic brake pieces (922) are located at the openings on the left and right sides of the accommodating section (41) respectively, and correspond to the position of the traction sheave (5). Therefore, when the two brake power sources (921) are activated, the two magnetic brake pads (922) can be driven close to the traction sheave (5), so as to magnetically stop the rotation of the traction sheave (5) and achieve the magnetic braking effect. Please also refer to the sixth figure. In addition, the brake unit (9) of the present invention can also adopt a disc brake (93), and the disc brake (93) includes a set of braking power provided on the machine base (1). The brake power source is connected to a brake pad, and the brake pad is located on the rear side of the frame (1), and corresponds to the rear end position of the output shaft (32) of the rotor (3). When the braking power When the source pushes the brake pad to press the rear end of the output shaft (32), the effect of stopping the rotation of the traction sheave (5) can be achieved through the output shaft (32). In addition, the drum brake (91) can be combined with the disc brake (93), or the plate brake (92) and the disc brake (93) can be combined according to the needs of the customer, so as to improve the resistance to the traction wheel (5). ) braking efficiency.

In addition, in the present invention, the stator (2) can be sleeved on the assembly part (12) in the center of the motor cavity (11) of the machine base (1), and the magnet pieces (31) of the rotor (3) can surround the stator (2). ) to form the outer rotor shape (as shown in the second figure). Please refer to Figure 7 together, the rotor (3) can also be arranged in the motor cavity (11) and its assembly At the end face of the vertical portion (12), a number of magnet pieces (31) are arranged on the peripheral side of the rotor (3), and the stator (2) is arranged on the cavity wall of the motor cavity (11), so that the stator ( 2) The magnet pieces (31) on the peripheral side of the rotor (3) are arranged around the rotor (3) to form an inner rotor type. In addition, the present invention can also choose to assemble the rotary encoder (6) on the fixed seat (4) on the front side or the base (1) on the rear side according to the needs of customers. When the rotary encoder (6) is to be installed on the machine On the rear side of the base (1), the rotary encoder (6) is installed at the first group of holes (121) of the base (1), and the detection pin (61) of the rotary encoder (6) corresponds to the first group of holes (121). Inserted into the slot (322) at the rear end of the output shaft (32), after covering the rotary encoder (6) with a protective cover (62), the protective cover (62) and the base (1) are fastened with a locking member The rotary encoder (6) is positioned in the first group of holes (121) of the base (1) by locking and coupling, and when the rotary encoder (6) is replaced on the rear side of the base (1) , the braking power source of the disc brake (93) can be installed on the fixed seat (4), so that its brake pads can perform braking action on the front end of the output shaft (32). In addition, when the rotary encoder (6) is installed on the rear side of the machine base (1), the cranking adapter (72) can be replaced with the slot (321) at the front end of the output shaft (32), and then the cover is closed. (14) is combined with the front side cover of the fixing seat (4), according to this, the crank (7) can also be connected with the output shaft (32) through the crank adaptor (72), so as to facilitate manual operation Detect whether there is abnormal noise interference or rust on the output shaft (32), and also when the elevator car stops running, the elevator car can be driven to the designated floor by the crank (7), so as to facilitate the personnel locked in the elevator car. or items, etc. to provide rescuers.

As can be seen from the above structure and implementation, the present invention has the following advantages:

1. The elevator traction machine structure of the present invention is provided with bearings at the front and rear of the output shaft of the traction machine, and the traction sheave is located in the middle of the output shaft, thereby avoiding the occurrence of The radial load acts on the output shaft, causing the eccentricity problem of the output shaft, so as to improve the service life of the traction machine.

2. The elevator traction machine structure of the present invention is provided with bearings at the front and rear of the output shaft of the traction machine. Here, the radial load acting on the output shaft can be transmitted through the bearings to the assembled components. The machine base and the fixed seat, and evenly disperse the radial load on the output shaft, so as to avoid premature fracture and damage of the output shaft.

3. In the elevator traction machine structure of the present invention, the rotary encoder is arranged on the front side of the traction machine, so that when the rotary encoder fails and needs to be repaired, the staff can directly adjust the rotary encoder on the front side of the traction machine. The encoder is repaired or replaced, so as to omit the steps of removing the entire traction machine and then turning the traction machine back and forth, so as to improve the convenience of the maintenance and replacement of the rotary encoder.

4. The elevator traction machine structure of the present invention sets the rotary encoder on the front side of the traction machine, so as to avoid the situation that the rotary encoder is protruded on the back side of the machine base, so that the back side of the machine base of the traction machine can directly abut against On the wall of the elevator shaft, to save the space occupied by the traction machine during installation, and to facilitate the planning of the best placement of the traction machine.

5. The elevator hoisting machine structure of the present invention is covered with a steel cable anti-dropping plate above the traction sheave, whereby the steel cable on the traction sheave can be prevented from jumping off. The plate system has the function of deceleration and braking to avoid danger and is a safety structure that can enhance the safety of the elevator installation.

6. The elevator traction machine structure of the present invention is that the stator is formed by integrally winding one silicon steel sheet. In this case, the stacking process of several silicon steel sheets can be omitted, which can greatly save the manufacturing time, and can also reduce the number of silicon steel sheets. It can effectively reduce the volume of the stator when the volume of the sheet is too large due to stamping deformation or burrs, and can effectively reduce the volume of the stator. In addition, when the volume of the stator is reduced, the stator can be relatively increased. The cross-sectional area of the coil in each winding slot is used to increase the slot occupancy rate and winding coefficient of the coil, thereby achieving the effect of increasing the current per unit area and improving the torque and power generation efficiency.

7. The elevator traction machine structure of the present invention forms open openings on the left and right sides of the accommodating area formed between the machine base and the fixed seat, so that the design can produce forced convection when the traction sheave rotates, so as to reduce the The temperature rise effect of the traction sheave, etc. during operation, and the operation efficiency of the traction sheave, etc. is improved.

8. The elevator traction machine structure of the present invention is provided with a slot at the end of the output shaft of the rotor, so that the detection pin of the rotary encoder can be inserted and fixed in it. According to this design, the signal analysis of the rotary encoder can be increased. speed and signal feedback speed, thereby improving the control accuracy.

9. The elevator traction machine structure of the present invention can be applied to various types of brakes such as drum brakes, plate brakes and disc brakes, and can be used in combination with The brake is used in combination with the disc brake to more effectively improve the braking efficiency of the traction sheave.

10. The elevator traction machine structure of the present invention uses a protective cover to locate the rotary encoder, so that the rotary encoder can be assembled on the fixed seat on the front side or the machine seat on the rear side according to the needs of customers. When you want to change the installation position of the rotary encoder, you only need to release the lock between the cover and the fixed base or the base, and then the rotary encoder can be removed and replaced in the desired position, so as to improve the convenience of the rotary encoder installation and transposition sex.

11. The structure of the elevator traction machine of the present invention is that a crank adapter is locked at the other end of the output shaft relative to the rotary encoder, so as to facilitate the assembly with the crank. Here, the crank can be manually driven. The output shaft rotates to detect whether there is abnormal noise interference or rust on the output shaft, or when the elevator car stops running due to stop or power failure, the people or items locked in the elevator car can also be checked by cranking. Waiting for rescuers.

To sum up, the embodiments of the present invention can indeed achieve the expected effects, and the specific structures disclosed have not only not been seen in similar products, but also have not been disclosed before the application, which fully complies with the provisions of the patent law and Request, to file an application for an invention patent in accordance with the law, and entreat it to be reviewed and granted a patent, it is truly a virtue.

1: base 11: Motor cavity 12: Assembly Department 121: The first group of holes 13: The first bearing 14: capping 141: Perforation 15: Lock firmware 2: Stator 3: Rotor 31: Magnet sheet 32: Output shaft 321: slot 322: slot 4: Fixed seat 41: accommodating interval 42: The second group of holes 43: Second bearing 5: Traction wheel 6: Rotary encoder 61: Detection tip 62: Cover 621: Groove 7: crank 71: Engagement slot 72: crank adapter 721: Locking Section 722: Articulation Block 8: Steel cable anti-drop plate

Claims (8)

An elevator traction machine structure is mainly provided with a traction machine base, and a motor cavity is formed in the base, and a correspondingly established stator and a rotor are arranged in the motor cavity. It is composed of a long strip of silicon steel sheet integrally wound to form a ring body, and an output shaft is arranged in the center of the rotor, and a traction wheel is assembled on the output shaft, and a first group of holes is arranged in the base. , and make the rear end of the output shaft pass through the first set of holes of the base, and another fixing seat is arranged, so that the fixing seat is located on the front side of the base, and is connected with the front side of the base, and is also fixed on the The seat is provided with a second group of holes, and the front end of the output shaft is passed through the second group of holes of the fixing seat, and a accommodating area is formed between the fixing seat and the base, and the left and right sides of the accommodating area are An open opening is formed on each of the right sides, and the traction sheave is located in the accommodating area, and the traction sheave is arranged at the middle position of the output shaft. The adapter is assembled at the center of one end of the output shaft. The elevator traction machine structure according to claim 1, wherein at least one first bearing is provided in the first set of holes of the machine base, and at least one second bearing is provided in the second set of holes in the fixed base and make the rear end of the output shaft pass through the first bearing in the first set of holes in the base, and make the front end of the output shaft pass through the second bearing in the second set of holes in the fixed seat. The elevator traction machine structure of claim 1, wherein the elevator traction machine structure further includes a rotary encoder, the rotary encoder is located on the opposite side of the barring adapter, so that the rotary encoder The device is selectively assembled at the front side of the fixed seat, corresponding to the front end position of the output shaft, and the cranking adapter is relatively assembled at the center of the rear end of the output shaft; or the rotation The encoder is selectively assembled at the rear side of the machine base to correspond to the rear end of the output shaft, and the cranking adapter is relatively assembled at the center of the front end of the output shaft. The elevator traction machine structure according to claim 3, wherein the rotary encoder is provided with a detection pin, a slot is provided at the center of the front end and the rear end of the output shaft, and a protective cover is provided. The protective cover is formed with an insert groove on its inner surface, and a number of locking holes are arranged on the peripheral side of the protective cover; and the cranking adapter is provided with a locking section at one end, and a cover is arranged on the other side. A through hole is arranged in the center, and a number of lock holes are arranged on the peripheral side of the cover; so that the rotary encoder is selectively arranged at the second group of holes of the fixed seat, and its detection pin is correspondingly inserted in the The slot at the front end of the output shaft is positioned, and the protective cover is located on the front side of the fixed seat to cover the rotary encoder inside, and the rotary encoder is embedded in the embedded groove on the inner surface of the protective cover. Each locking hole of the protective cover is respectively provided with a locking member to be locked and combined with the fixed seat, and the locking section of the turning adapter is correspondingly locked in the slot at the rear end of the output shaft, In addition, the cover is located on the rear side of the base to cover the rear side of the first set of holes in the base, and a locking member is respectively passed through each locking hole of the cover to lock with the base The other end of the barring adapter relative to its locking segment is located outside the through hole of the cover; or the rotary encoder is selectively arranged at the first group of holes in the base, so that the The detection pin is positioned corresponding to the slot inserted in the rear end of the output shaft, and the protective cover is located on the rear side of the base to cover the rotary encoder inside, and the rotary encoder is embedded in the The grooves on the inner surface of the protective cover are positioned, and each locking hole of the protective cover is respectively provided with a locking member to be locked and combined with the base, and the locking section of the turning adapter is correspondingly locked in the In the slot at the front end of the output shaft, the cover is located on the front side of the fixing seat to cover the front side of the second set of holes in the fixing seat, and a locking member is respectively penetrated through each locking hole of the cover , so as to be locked and combined with the fixed seat, and the other end of the barring adapter relative to its locking section is located outside the through hole of the cover. The elevator traction machine structure according to claim 1, wherein a steel cable anti-dropping plate is arranged on the upper tie set of the fixed base, and the steel cable anti-dropping plate is covered above the traction sheave. The elevator traction machine structure according to claim 1, wherein the stator is assembled at the center of the cavity bottom of the motor cavity of the machine base, and magnet pieces are assembled on the peripheral side of the rotor, and the rotor is assembled with the stator. The magnet pieces are arranged around the stator. The elevator traction machine structure according to claim 1, wherein the rotor is arranged at the center of the cavity bottom of the motor cavity of the machine base, and a plurality of magnet pieces are arranged on the peripheral side of the rotor, and the stator group is arranged It is arranged on the cavity wall of the motor cavity, so that the stator is arranged around the magnet pieces of the rotor. The elevator traction machine structure according to claim 1, wherein the elevator traction machine structure is further installed with at least two brake units, and the brake units are drum brakes, plate brakes or disc brakes; At least one of the drum brake, plate brake and disc brake is installed on the traction machine structure; or a drum brake and a disc brake are installed on the elevator traction machine structure; or the elevator traction machine structure is installed A plate brake and a disc brake are installed; the drum brake and plate brake system includes a brake power source, and the brake power source group is arranged on the base, and two brake pads are connected to the brake power source , and the two brake pads are respectively located at the openings on both sides of the accommodating section formed between the fixed seat and the base, and correspond to the position of the traction wheel; in addition, the disc brake system includes a braking power source, and makes the The brake power source of the disc brake is assembled on the base, and a brake pad is connected to the brake power source of the disc brake, and the brake pad is corresponding to the rear end position of the output shaft; or the disc brake is The brake power source group is arranged on the fixed seat, and a brake pad is connected to the brake power source of the disc brake, and the brake pad is corresponding to the front end position of the output shaft.

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