Elevator traction machine convenient to disassemble

Abstract

The utility model belongs to the field of elevator equipment, and particularly relates to an elevator traction machine convenient to disassemble. The motor is installed in an installation cavity formed in the middle of the machine base, and a supporting shaft is fixedly installed at the output end of the motor; the traction wheel is mounted at the end part of the supporting shaft and is used for transmitting power; the limiting assembly is installed at the front end of the motor, and rotation of the supporting shaft is limited through the limiting assembly; the traction wheel is fixedly mounted on the supporting shaft through the mounting assembly; through the arrangement of the limiting assembly and the mounting assembly, the traction wheel can be conveniently and quickly mounted and dismounted, the mounting difficulty is reduced, and the mounting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of elevator equipment, in particular to an elevator traction machine which is easy to disassemble. Background Art

[0002] The elevator traction machine is an electric traction device used to quickly raise and lower the elevator car. The elevator traction machine mainly drives the elevator car up and down by pulling the wire rope connected to the car through the motor inside the traction machine. The elevator traction machine can be divided into two-speed passenger and freight elevator traction machines, miscellaneous cargo traction machines, machine room-less traction machines and vehicle elevator traction machines according to their uses.

[0003] The existing patent with publication number CN217780453U discloses an elevator traction machine shaft that is easy to quickly disassemble and maintain, including a support shell, a docking device is fixedly installed on the internal top of the support shell, and sliding card slots are symmetrically opened at both ends of the top of the support shell. The internal sliding card slots of the sliding card slots are connected to the limiting device. The docking device includes a traction wheel, a limiting hole, a first positioning screw, a docking key, a docking groove, a support shaft and a motor. The support shaft is fixedly installed at the side end center of the motor, the docking key is fixedly connected to the support shaft, and the docking key is distributed in an annular manner. The docking groove is opened at the side end center of the traction wheel close to the support shaft, and the docking groove is distributed in an annular manner. The first positioning screw is threadedly inserted into the inside of the traction wheel, and the first positioning screw is distributed in an annular manner. The utility model realizes the rapid installation and disassembly of the traction machine shaft through the setting of the docking device and the limiting device, which is convenient for the maintenance of the traction machine.

[0004] However, during the installation of the above device, the traction wheel needs to be held all the time to align the docking key and the docking slot, which is inconvenient to operate and easily causes hand fatigue and is not easy to align, thereby affecting the installation efficiency. Therefore, in order to solve the above problem, an elevator traction machine that is easy to disassemble is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problem that during the installation process of the prior art device, the traction wheel needs to be dragged all the time to align the docking key and the docking slot, which is inconvenient to operate, easily causes hand fatigue, is not convenient for alignment, and thus affects the installation efficiency, the utility model proposes an elevator traction machine that is easy to disassemble.

[0006] The technical solution adopted by the utility model to solve the technical problem is: the utility model is an elevator traction machine that is easy to disassemble, including a machine base;

[0007] A motor, the motor is installed in a mounting cavity opened in the middle of the base, and a support shaft is fixedly installed on the output end of the motor;

[0008] A traction wheel, which is mounted on the end of the support shaft and is used to transmit power;

[0009] A limit assembly is installed at the front end of the motor, and the support shaft is limited to rotate by the limit assembly;

[0010] A mounting assembly is used to fix the traction wheel on the support shaft.

[0011] Preferably, the limiting assembly includes a mounting block, which is fixedly installed at an upper position of the support shaft, a threaded hole 1 is opened in the middle of the mounting block, a limiting bolt is movably installed in the middle of the threaded hole 1, the upper outer wall of the limiting bolt is smooth, the lower outer wall of the limiting bolt is provided with an external thread, and a threaded hole 2 is opened on the side wall of the support shaft, and the threaded hole 2 is adapted to the limiting bolt.

[0012] Preferably, the mounting assembly includes a mounting sleeve, which is fixedly installed in the center of the traction wheel in an inlaid manner, and the open end of the mounting sleeve extends to the outside of the traction wheel, the mounting sleeve is adapted to the support shaft, and the mounting sleeve is sleeved on the end of the support shaft, the inner wall of the mounting sleeve is symmetrically provided with slots, and the side walls of the support shaft are symmetrically fixedly connected with insert strips that can be slidably inserted into the slots, the insert strips are adapted to the slots, and the outer side wall of the open end of the mounting sleeve is symmetrically provided with threaded holes three, and a fixing bolt one is threadedly installed in the threaded hole three, and a socket corresponding to the threaded hole three is provided on the side wall of the support shaft, and the end of the fixing bolt one passes through the threaded hole three and is inserted in the socket.

[0013] Preferably, a gap is provided between the end of the insert and the end of the support shaft.

[0014] Preferably, when the support shaft is inserted into the innermost side of the mounting sleeve, the threaded hole three is aligned with the insertion hole.

[0015] Preferably, a flange is fixedly connected to the outer side wall of the front end of the motor, and two fixing bolts are symmetrically arranged on the edge of the flange, and the two fixing bolts are threadedly connected to the corresponding mounting holes on the base.

[0016] Preferably, a spring is sleeved on the limiting bolt, and the spring is arranged on the top of the mounting block.

[0017] The utility model is beneficial in that:

[0018] The locking bolt is then moved downward along the first threaded hole so that the bottom end of the locking bolt contacts the second threaded hole, and the locking bolt is rotated to fix the position of the locking bolt. During the process of removing and assembling the traction wheel, the locking bolt will not rotate, thereby facilitating the rapid installation of the traction wheel. In addition, after the installation is completed, the locking bolt is first unscrewed from the second threaded hole, and then the locking bolt is moved upward so that the outer thread of the locking bolt contacts the bottom end of the first threaded hole, and then the locking bolt is rotated so that the locking bolt can be threadedly installed in the first threaded hole. At this time, it can be ensured that the locking bolt will not fall off and interfere with the rotation of the support shaft.

[0019] 2. The utility model facilitates the rapid disassembly and assembly of the traction wheel by providing an installation component. When disassembling the traction wheel, first loosen the fixing bolt 1 to remove the restriction between the installation sleeve and the support shaft, and then the traction wheel connected with the installation sleeve can be removed together. When installing the traction wheel, align the insertion strip on the support shaft with the slot inside the installation sleeve, and then insert the support shaft into the installation sleeve, and at the same time insert the insertion strip into the slot. Through the cooperation of the insertion strip and the slot, the connection between the installation sleeve and the support shaft is more stable, and finally screw in the fixing bolt 1 so that one end of the fixing bolt is inserted into the socket, thereby fixing the installation sleeve and the support shaft together, and the traction wheel can be firmly installed on the support shaft. In addition, when the support shaft is inserted into the mounting sleeve, the end of the support shaft is inserted into the mounting sleeve first. At this time, the end of the support shaft can provide preliminary support for the mounting sleeve and the traction wheel. Then, the traction wheel and the mounting sleeve can be rotated to align the insertion strip and the slot. Then, the mounting sleeve and the traction wheel are pushed along the support shaft to completely insert the support shaft into the mounting sleeve. In this way, during the installation process, there is no need to drag the traction wheel by hand all the time, which reduces the installation strength and facilitates the quick alignment of the slot and the insertion strip, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0022] Figure 2 It is a structural schematic diagram of the installation assembly of the first embodiment;

[0023] Figure 3 This is a structural schematic diagram of another angle of embodiment 1;

[0024] Figure 4 It is a partial cross-sectional view of the first embodiment;

[0025] Figure 5 For Example 1 Figure 3 A schematic diagram of the enlarged structure in the middle.

[0026] In the figure: 1. base; 2. motor; 21. support shaft; 3. limit assembly; 31. mounting block; 32. threaded hole one; 33. limit bolt; 34. threaded hole two; 35. spring; 4. traction wheel; 5. mounting assembly; 51. mounting sleeve; 52. fixing bolt one; 53. slot; 54. insert; 55. socket; 56. threaded hole three; 6. mounting cavity; 7. flange; 8. fixing bolt two. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] See also Figure 1-5 As shown, an elevator traction machine that is easy to disassemble comprises a machine base 1;

[0030] A motor 2, wherein the motor 2 is installed in a mounting cavity 6 provided in the middle of the base 1, and a support shaft 21 is fixedly installed on an output end of the motor 2;

[0031] A traction wheel 4, which is mounted on the end of the support shaft 21 and is used to transmit power;

[0032] A limit assembly 3 is installed at the front end of the motor 2, and the support shaft 21 is limited to rotate by the limit assembly 3;

[0033] The mounting assembly 5 is used to fix the traction wheel 4 on the support shaft 21 .

[0034] The limiting assembly 3 includes a mounting block 31, which is fixedly mounted on the outer wall of the flange 7, and the mounting block 31 is fixedly mounted at the upper position of the support shaft 21. A threaded hole 32 is provided in the middle of the mounting block 31, and a limiting bolt 33 is movably installed in the middle of the threaded hole 32. The upper outer wall of the limiting bolt 33 is smooth, and the lower outer wall of the limiting bolt 33 is provided with an external thread. A threaded hole 34 is provided on the side wall of the support shaft 21, and the threaded hole 34 is adapted to the limiting bolt 33. When working, the support shaft 21 is rotated so that the threaded hole 34 on the support shaft 21 is rotated to the bottom of the threaded hole 32, and the limiting bolt 33 is moved downward along the threaded hole 32. The bolt 33 is screwed into the second threaded hole 34 to make the bottom end of the limit bolt 33 contact with the second threaded hole 34, and the limit bolt 33 is rotated to rotate and install in the second threaded hole 34, so that the position of the support shaft 21 can be fixed, and the support shaft 21 will not rotate during the process of disassembling and assembling the traction wheel 4, thereby facilitating the rapid installation of the traction wheel 4; in addition, after the installation is completed, the limit bolt 33 is first unscrewed from the second threaded hole 34, and then the limit bolt 33 is moved upward so that the external thread of the limit bolt 33 contacts with the bottom end of the threaded hole 1 32, and then the limit bolt 33 is rotated to threadably install the limit bolt 33 in the threaded hole 1 32, and at this time, it can be ensured that the limit bolt 33 will not fall off and interfere with the rotation of the support shaft 21.

[0035] Preferably, the mounting assembly 5 includes a mounting sleeve 51, which is fixedly mounted in the center of the traction wheel 4 in an inlaid manner, and the open end of the mounting sleeve 51 extends to the outside of the traction wheel 4, the mounting sleeve 51 is adapted to the support shaft 21, and the mounting sleeve 51 is sleeved on the end of the support shaft 21, and the inner wall of the mounting sleeve 51 is symmetrically provided with a slot 53, and the side wall of the support shaft 21 is symmetrically fixedly connected with an insert strip 54 that can be slidably inserted into the slot 53, and the insert strip 54 is adapted to the slot 53, and the outer side wall of the open end of the mounting sleeve 51 is symmetrically provided with a threaded hole three 56, and a fixing bolt one 52 is threadedly installed in the threaded hole three 56, and a plug hole 55 corresponding to the threaded hole three 56 is provided on the side wall of the support shaft 21, and the fixing bolt one 52 The end of the screw threaded hole 56 passes through the threaded hole 3 and is inserted into the insertion hole 55; during operation, when disassembling the traction wheel 4, first loosen the fixing bolt 52, remove the restriction between the mounting sleeve 51 and the support shaft 21, and then the traction wheel 4 connected with the mounting sleeve 51 can be removed together. When installing the traction wheel 4, align the insertion strip 54 on the support shaft 21 with the slot 53 inside the mounting sleeve 51, and then insert the support shaft 21 into the mounting sleeve 51, and at the same time, insert the insertion strip 54 into the slot 53. Through the cooperation between the insertion strip 54 and the slot 53, the connection between the mounting sleeve 51 and the support shaft 21 is more stable. Finally, screw in the fixing bolt 52 so that the end of the fixing bolt 52 is inserted into the insertion hole 55, thereby fixing the mounting sleeve 51 and the support shaft 21 together, and the traction wheel 4 can be firmly installed on the support shaft 21.

[0036] A gap is provided between the end of the inserting strip 54 and the end of the support shaft 21; during operation, when the support shaft 21 is inserted into the mounting sleeve 51, the end of the support shaft 21 is first inserted into the mounting sleeve 51. At this time, the end of the support shaft 21 can initially support the mounting sleeve 51 and the traction wheel 4. Then, the traction wheel 4 and the mounting sleeve 51 can be rotated to align the inserting strip 54 with the slot 53. Then, the mounting sleeve 51 and the traction wheel 4 are pushed along the support shaft 21 to completely insert the support shaft 21 into the mounting sleeve 51. In this way, during the installation process, there is no need to drag the traction wheel 4 by hand all the time, which reduces the installation strength and facilitates the quick alignment of the slot 53 and the inserting strip 54, thereby improving the installation efficiency.

[0037] When the support shaft 21 is inserted into the innermost side of the mounting sleeve 51, the threaded hole 3 56 is aligned with the insertion hole 55; during operation, it is convenient to quickly align the threaded hole 3 56 and the insertion hole 55, thereby improving the installation efficiency.

[0038] A flange 7 is fixedly connected to the outer side wall of the front end of the motor 2, and two fixing bolts 8 are symmetrically arranged on the edge of the flange 7, and the two fixing bolts 8 are threadedly connected to the corresponding mounting holes on the base 1; during operation, the flange 7 and the two fixing bolts 8 are arranged to facilitate quick disassembly and assembly of the motor 2.

[0039] Embodiment 2

[0040] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, a spring 35 is sleeved on the limit bolt 33, and the spring 35 is arranged on the top of the mounting block 31; when working, the limit bolt 33 is pushed upward by the spring 35, so that the bottom end of the limit bolt 33 will not contact the support shaft 21, and thus will not interfere with the rotation of the support shaft 21.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An elevator traction machine that is easy to disassemble, characterized in that: It comprises a base (1); A motor (2), the motor (2) being mounted in a mounting cavity (6) provided in the middle of the machine base (1), and a support shaft (21) being fixedly mounted on an output end of the motor (2); A traction wheel (4), the traction wheel (4) being mounted on the end of the support shaft (21) and being used for transmitting power; A limit assembly (3) is mounted on the front end of the motor (2), and the support shaft (21) is limited from rotating by the limit assembly (3); A mounting assembly (5) is used to fix the traction wheel (4) on the support shaft (21).

2. The easily disassembled elevator traction machine according to claim 1, characterized in that: The limiting assembly (3) comprises a mounting block (31), wherein the mounting block (31) is fixedly mounted above the support shaft (21), a threaded hole (32) is provided in the middle of the mounting block (31), a limiting bolt (33) is movably installed in the middle of the threaded hole (32), the upper outer wall of the limiting bolt (33) is smooth, the lower outer wall of the limiting bolt (33) is provided with an external thread, and a threaded hole (34) is provided on the side wall of the support shaft (21), and the threaded hole (34) is adapted to the limiting bolt (33).

3. The easily disassembled elevator traction machine according to claim 2, characterized in that: The mounting assembly (5) comprises a mounting sleeve (51), the mounting sleeve (51) is fixedly mounted in the center of the traction wheel (4) in an inlaid manner, the open end of the mounting sleeve (51) extends to the outside of the traction wheel (4), the mounting sleeve (51) is adapted to the support shaft (21), and the mounting sleeve (51) is sleeved on the end of the support shaft (21), the inner wall of the mounting sleeve (51) is symmetrically provided with slots (53), and the side wall of the support shaft (21) is symmetrically fixedly connected to the mounting sleeve (51). An inserting strip (54) is provided which can be slidably inserted into the slot (53), and the inserting strip (54) is adapted to the slot (53). A threaded hole (56) is symmetrically provided on the outer side wall of the open end of the mounting sleeve (51), and a fixing bolt (52) is threadedly installed in the threaded hole (56). An inserting hole (55) corresponding to the threaded hole (56) is provided on the side wall of the support shaft (21), and the end of the fixing bolt (52) passes through the threaded hole (56) and is inserted into the inserting hole (55).

4. The easily disassembled elevator traction machine according to claim 3, characterized in that: A gap is provided between the end of the inserting strip (54) and the end of the supporting shaft (21).

5. The easily disassembled elevator traction machine according to claim 4, characterized in that: When the support shaft (21) is inserted into the innermost side of the mounting sleeve (51), the threaded hole three (56) is aligned with the insertion hole (55).

6. The easily disassembled elevator traction machine according to claim 5, characterized in that: A flange (7) is fixedly connected to the outer side wall of the front end of the motor (2), and two fixing bolts (8) are symmetrically arranged on the edge of the flange (7), and the two fixing bolts (8) are threadedly connected to the corresponding mounting holes on the machine base (1).

7. The easily disassembled elevator traction machine according to claim 6, characterized in that: The limiting bolt (33) is sleeved with a spring (35), and the spring (35) is arranged on the top of the mounting block (31).

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