An efficient traction machine with an axle brake protection structure

Abstract

The present invention belongs to the technical field of traction machines, and is used to solve the problem that it is difficult to disassemble the brake and the traction wheel support cover synchronously during the maintenance of the existing traction machines. Specifically, it is an efficient traction machine with an axle brake protection structure, including a double-shaft permanent magnet motor, a motor shaft, a reducer, and a traction wheel. The motor shaft is arranged inside the double-shaft permanent magnet motor. The present invention synchronously installs and disassembles the support cover and the brake through a support mechanism, avoiding the cumbersome operation of first removing the brake and then the support cover when maintaining and servicing the traction wheel, improving the convenience of the traction machine during assembly and maintenance, and completing the installation and disassembly of the brake on the motor shaft through an installation mechanism, improving the stability during the installation of the brake.

Description

Technical Field

[0001] The present invention relates to the technical field of traction machines, and specifically to an efficient traction machine with an axle brake protection structure. Background Art

[0002] Most traction machines are used as power equipment for elevators. Their function is to transmit and transfer power to make devices operate. Generally, they are composed of a motor, a brake, a coupling, a reduction gearbox, a traction wheel, a machine frame, a guide wheel, and an attached handwheel for disk driving, etc.

[0003] Most traction machines adopt one or two rotating shafts, and the rotating shafts are all located outside the axial space of the traction wheel. The brake is mostly of an external type, and the inside of the brake has an axle brake protection structure. The brake pads provide braking resistance by rubbing against the outer circle of the hub. During the daily use of the traction machine, it is necessary to regularly maintain and repair it to ensure the safety of the elevator during use. When repairing the traction wheel in the traction machine, it is necessary to first remove the brake and then remove the support cover of the traction wheel. After the traction machine is disassembled step by step, the inside of the traction machine can be maintained and repaired. At the same time, the brake can also be installed on the motor shaft of a double-shaft permanent magnet motor. After the brake is connected to the motor shaft here, three groups of fixing bolts are used to fixedly install the outside of the brake and the double-shaft permanent magnet motor. However, the motor shaft of the double-shaft permanent magnet motor rotates continuously, which easily causes the three groups of fixing bolts used for fixed installation in the brake to shake, and it is necessary to regularly tighten and reinforce the three groups of fixing bolts.

[0004] That is, when repairing the traction machine in the prior art, it is necessary to first remove the brake step by step and then remove the support cover of the traction wheel. The repair and maintenance process is cumbersome, and it is difficult to achieve synchronous disassembly of the brake and the traction wheel support cover. At the same time, after the brake on one side of the double-shaft permanent magnet motor is connected to the motor shaft, three groups of fixing bolts are required to connect the brake to the outer wall of the double-shaft permanent magnet motor. However, due to the continuous rotation of the motor shaft in the double-shaft permanent magnet motor, the fixing bolts are prone to loosening, and it is difficult for the current traction machine to improve the stability of the brake installed on the motor shaft of the double-shaft permanent magnet motor.

[0005] In view of the above technical defects, a solution is now proposed. Summary of the Invention

[0006] The object of the present invention is to provide an efficient traction machine with an axle brake protection structure. The support mechanism can synchronously complete the installation and disassembly of the support cover and the brake. When overhauling the traction wheel, only need to first rotate the second fixing nut, and then press the first control board and the second control board to synchronously complete the disassembly of the support cover and the brake, avoiding the cumbersome operation of first removing the brake and then the support cover when overhauling and maintaining the traction wheel, improving the convenience of the traction machine during assembly and overhaul, and completing the installation and disassembly of the brake on the motor shaft through the installation mechanism, improving the stability during the installation of the brake, and solving the problem that it is difficult to synchronously disassemble the brake and the traction wheel support cover when overhauling the traction machine.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] An efficient traction machine with an axle brake protection structure, including a dual-axis permanent magnet motor, a motor shaft, a reducer and a traction wheel. The motor shaft is arranged inside the dual-axis permanent magnet motor. One end of the motor shaft is provided with a reducer. A rotating shaft is arranged inside the reducer. A traction wheel is arranged on the outer wall of the rotating shaft. A protective cover is arranged outside the traction wheel. A support cover is clamped on one side of the protective cover. Support mechanisms are symmetrically arranged outside the support cover. A brake is arranged at the other end of the dual-axis permanent magnet motor through an installation mechanism;

[0009] The support mechanism includes a special-shaped disk, a first limiting shaft, a U-shaped plate, a first control plate, a connecting rod, a lifting plate, an equipment port, a fixing groove, a first threaded rod, a first blocking block, a second blocking block, a first sliding groove, a second sliding groove, a second control plate, a spring damper, and a third sliding groove. The U-shaped plate is fixedly connected to the side wall of the support cover. A first sliding groove and a second sliding groove are formed inside the U-shaped plate. The first sliding groove and the second sliding groove communicate with each other and are perpendicular to each other. The third sliding groove is formed on the outer wall of the connection between the protective cover and the support cover. The third sliding groove communicates with the fixing groove. The first limiting shaft is rotatably connected to the inside of the U-shaped plate through a bearing. A special-shaped disk and a first control plate are fixedly connected to the outer side of the first limiting shaft. One side of the special-shaped disk close to the rotating shaft is an arc surface. A connecting rod is arranged on one side of the first control plate. The connecting rod passes through the support cover and extends into the inside of the protective cover movably and is rotatably connected to the lifting plate through a bearing. A first threaded rod is fixedly connected to the outer wall of the lifting plate, and the first threaded rod and the connecting rod are on the same side. The first threaded rod passes through the third sliding groove and one end extends into the inside of the fixing groove. One end of the arc surface of the special-shaped disk is fixedly connected to a first blocking block. A spring damper is fixedly arranged inside the first sliding groove. One end of the spring damper is provided with a second blocking block, and the second blocking block and the first blocking block cooperate with each other. One end of the second blocking block is fixedly connected to a second control plate, and one end of the second control plate extends outside the second sliding groove. The equipment port is located on one side of the lifting plate, and the equipment port is formed on the outer wall of the protective cover.

[0010] Further, the fixing groove is formed on the outer wall of the support cover, and the second blocking block is slidably connected to the inner wall of the first sliding groove.

[0011] Further, a first fixing nut is threadedly connected to the outer wall of the first threaded rod inside the fixing groove, and the second control plate is located inside the second sliding groove.

[0012] Further, a T-shaped sliding groove is formed on the outer wall of the first control plate, a T-shaped sliding block is slidably connected to the inside of the T-shaped sliding groove, and the outer wall of the T-shaped sliding block is rotatably connected to the connecting rod through a pin.

[0013] Further, the installation mechanism includes a second threaded rod, a limiting post, a first fixing rod, a second fixing rod, a third fixing rod, a limiting hole, a first limiting groove, a second limiting groove, a limiting sleeve, a contraction blocking block, an adjusting rod, a third limiting groove, and an extension blocking block. Two groups of limiting holes are symmetrically formed on the outer wall of the other end of the double-shaft permanent magnet motor. A limiting post is clamped inside the limiting hole. One end of each of the two limiting posts is fixedly provided with a brake. A second limiting groove is formed inside the limiting post. Two groups of first limiting grooves are symmetrically formed inside the brake, and the second limiting groove communicates with the first limiting groove. A second threaded rod is slidably arranged inside the first limiting groove and the second limiting groove. One end of the second threaded rod is fixedly connected with an adjusting rod. Two groups of third limiting grooves are symmetrically formed on the outer wall of the adjusting rod. A limiting sleeve is slidably connected inside the two groups of third limiting grooves. The outer wall of the limiting sleeve is rotatably connected with two groups of first fixing rods through pins. One end of the first fixing rod is rotatably connected with a second fixing rod through a pin. One end of each of the two second fixing rods is rotatably connected with a third fixing rod through a pin. One end of the third fixing rod is fixedly connected with one end of the adjusting rod. Two groups of extension blocking blocks are arranged on one side of the limiting sleeve, and two groups of contraction blocking blocks are arranged on the other side of the limiting sleeve. The limiting sleeve cooperates with the extension blocking blocks and the contraction blocking blocks.

[0014] Further, both the extension blocking block and the contraction blocking block are fixedly connected with the inner wall of the second limiting groove, and the limiting sleeve is located between the extension blocking block and the contraction blocking block.

[0015] Further, the adjusting rod is located inside the second limiting groove, and the other end of the second threaded rod extends to the outside of the brake and is threadedly connected with a second fixing nut.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. In the present invention, the brake is installed and fixed through the mutual cooperation of the special-shaped disk, the first blocking block, and the second blocking block. The fixing between the protective cover and the support cover is completed through the cooperation of the connecting rod, the lifting plate, the first threaded rod, and the first fixing nut. When disassembling the brake and the support cover, first release the limit of the first fixing nut on the first threaded rod, and then press the second control plate and the first control plate in sequence to release the limit of the second blocking block on the first blocking block and the limit of the special-shaped disk on the brake, and then the disassembly of the brake and the support cover can be completed synchronously. Through the support mechanism, while installing the brake, the support cover and the protective cover can also be fixed. When disassembling the brake and the support cover for internal maintenance of the protective cover, only need to first release the limit of the first fixing nut on the first threaded rod, and then press the second control plate and the first control plate to complete the disassembly of the brake and the support cover, and the operation is convenient;

[0018] 2. In the present invention, when installing the brake with the limit post and the limit hole aligned, after the second threaded rod and the adjusting rod pass through the first limit groove and the second limit groove, rotate the second threaded rod to rotate the limit sleeve to a position between the contraction blocking block and the extension blocking block. Pull the second threaded rod and the adjusting rod outwards. As the adjusting rod pulls the third fixed rod to continuously move closer to the limit sleeve, a triangle is formed among the first fixed rod, the second fixed rod, and the adjusting rod, which is restricted on one side of the limit post. Then, fix the second threaded rod with the second fixing nut to complete the installation of the brake. When disassembling the brake: first release the limit of the second threaded rod by the second fixing nut, push the second threaded rod and the adjusting rod inwards. The adjusting rod drives the third fixed rod to move, and the third fixed rod drives the second fixed rod and the first fixed rod to be parallel to each other. Then, rotate the second threaded rod to rotate the limit sleeve out from between the first blocking block and the second blocking block, and then pull the second threaded rod and the adjusting rod outwards to complete the disassembly of the brake. The installation and disassembly of the brake on the motor shaft are completed through the installation mechanism, improving the stability during the installation of the brake.

[0019] 3. In the present invention, through the support mechanism, the installation and disassembly of the support cover and the brake can be completed synchronously. When overhauling the traction wheel, only need to rotate the second fixing nut first, and then press the first control board and the second control board to synchronously complete the disassembly of the support cover and the brake, avoiding the cumbersome operation of first removing the brake and then removing the support cover when overhauling and maintaining the traction wheel, improving the convenience during the assembly and overhaul of the traction machine. And the installation and disassembly of the brake on the motor shaft are completed through the installation mechanism, improving the stability during the installation of the brake. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] For the convenience of those skilled in the art to understand, the present invention will be further described below with reference to the accompanying drawings;

[0021] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 is a schematic diagram of the connection relationship between the support mechanism and the brake of the present invention;

[0023] Figure 3 is Figure 2 a schematic enlarged view of the structure of area A in

[0024] Figure 4 is Figure 3 a schematic enlarged view of the structure of area B in

[0025] Figure 5 is Figure 3 a schematic enlarged view of the structure of area C in

[0026] Figure 6 is a schematic diagram of the structure of the brake and the installation mechanism of the present invention;

[0027] Figure 7 Schematic diagram of the structures of the first limiting groove and the second limiting groove in the installation mechanism in the present invention;

[0028] Figure 8 is Figure 6 Enlarged schematic diagram of the structure of area D in

[0029] Figure 9 Stereogram of the U-shaped plate in the present invention.

[0030] Reference numerals: 1, double-shaft permanent magnet motor; 2, motor shaft; 3, reducer; 4, traction wheel; 5, support cover; 6, support mechanism; 7, installation mechanism; 8, brake; 9, rotating shaft; 10, protective cover; 61, special-shaped disc; 62, first limiting shaft; 63, U-shaped plate; 64, first control board; 65, connecting rod; 66, lifting plate; 67, equipment port; 68, fixing groove; 69, first threaded rod; 610, first blocking block; 611, second blocking block; 612, first sliding groove; 613, second sliding groove; 614, second control board; 615, spring damper; 616, third sliding groove; 71, second threaded rod; 72, limiting column; 73, first fixing rod; 74, second fixing rod; 75, third fixing rod; 76, limiting hole; 77, first limiting groove; 78, second limiting groove; 79, limiting sleeve; 710, shrinking blocking block; 711, adjusting rod; 712, third limiting groove; 713, stretching blocking block. Detailed implementation manners

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Embodiment 1:

[0033] During the daily use of the traction machine, it is necessary to regularly maintain and overhaul it to ensure the safety of the elevator during use. When overhauling the traction wheel in the traction machine, it is necessary to first remove the brake and then remove the support cover of the traction wheel. After the traction machine is disassembled step by step, it is possible to maintain and overhaul the inside of the traction machine. It is difficult to achieve synchronous disassembly of the traction machine, and the convenience of overhauling and maintaining the traction machine is improved. Now, a solution is proposed:

[0034] As Figures 1-9As shown in the figure, an efficient traction machine with an axle brake protection structure proposed by the present invention includes a dual-axis permanent magnet motor 1, a motor shaft 2, a reducer 3, and a traction wheel 4. The motor shaft 2 is arranged inside the dual-axis permanent magnet motor 1. One end of the motor shaft 2 is provided with a reducer 3. A rotating shaft 9 is arranged inside the reducer 3. A traction wheel 4 is arranged on the outer wall of the rotating shaft 9. A protective cover 10 is arranged on the outer side of the traction wheel 4. One side of the protective cover 10 is clamped with a support cover 5. The main functions of the protective cover 10 and the support cover 5 are to protect the traction wheel 4, and the arrangement of the support cover 5 facilitates the installation of the brake 8 in the later stage. Support mechanisms 6 are symmetrically arranged on the outer side of the support cover 5. The other end of the dual-axis permanent magnet motor 1 is provided with a brake 8 through a mounting mechanism 7;

[0035] The support mechanism 6 includes a special-shaped disk 61, a first limiting shaft 62, a U-shaped plate 63, a first control plate 64, a connecting rod 65, a lifting plate 66, an equipment port 67, a fixing groove 68, a first threaded rod 69, a first blocking block 610, a second blocking block 611, a first sliding groove 612, a second sliding groove 613, a second control plate 614, a spring damper 615, and a third sliding groove 616. The U-shaped plate 63 is fixedly connected to the side wall of the support cover 5. A first sliding groove 612 and a second sliding groove 613 are formed inside the U-shaped plate 63. The first sliding groove 612 and the second sliding groove 613 communicate with each other and are perpendicularly arranged. The third sliding groove 616 is formed on the outer wall at the connection of the protective cover 10 and the support cover 5. The third sliding groove 616 communicates with the fixing groove 68. The first limiting shaft 62 is rotatably connected to the inside of the U-shaped plate 63 through a bearing. A special-shaped disk 61 and a first control plate 64 are fixedly connected to the outer side of the first limiting shaft 62. The side of the special-shaped disk 61 close to the rotating shaft 9 is an arc surface, and friction bumps are arranged on the arc surface to increase the frictional resistance. A connecting rod 65 is arranged on one side of the first control plate 64. The connecting rod 65 passes through the support cover 5 and movably penetrates into the inside of the protective cover 10 and is rotatably connected to a lifting plate 66 through a bearing. A first threaded rod 69 is fixedly connected to the outer wall of the lifting plate 66, and the first threaded rod 69 is on the same side as the connecting rod 65. The first threaded rod 69 passes through the third sliding groove 616 and one end extends into the inside of the fixing groove 68. One end of the arc surface of the special-shaped disk 61 is fixedly connected to a first blocking block 610. A spring damper 615 is fixedly arranged inside the first sliding groove 612. One end of the spring damper 615 is provided with a second blocking block 611, and the second blocking block 611 and the first blocking block 610 cooperate with each other. One end of the second blocking block 611 is fixedly connected to a second control plate 614, and one end of the second control plate 614 extends outside the second sliding groove 613. The equipment port 67 is arranged on one side of the lifting plate 66, and the equipment port 67 is formed on the outer wall of the protective cover 10. The function of the equipment port 67 is to facilitate tools to enter the inside of the protective cover 10 to adjust the position of the lifting plate 66.

[0036] The fixing groove 68 is formed on the outer wall of the support cover 5, and the second blocking block 611 is slidably connected to the inner wall of the first sliding groove 612.

[0037] A first fixing nut is threadedly connected to the outer wall of the first threaded rod 69 located inside the fixing groove 68, and the second control plate 614 is located inside the second sliding groove 613.

[0038] A T-shaped sliding groove is formed on the outer wall of the first control plate 64, a T-shaped slider is slidably connected to the inside of the T-shaped sliding groove, and the outer wall of the T-shaped slider is rotatably connected to the connecting rod 65 through a pin.

[0039] In this embodiment, the brake 8 is installed and fixed through the mutual cooperation of the special-shaped disk 61, the first blocking block 610 and the second blocking block 611. The fixing between the protective cover 10 and the support cover 5 is completed through the cooperation of the connecting rod 65, the lifting plate 66, the first threaded rod 69 and the first fixing nut. When disassembling the brake 8 and the support cover 5, first release the limit of the first fixing nut on the first threaded rod 69, and then press the second control plate 614 and the first control plate 64 in sequence to release the limit of the second blocking block 611 on the first blocking block 610 and the limit of the special-shaped disk 61 on the brake 8, and then the disassembly of the brake 8 and the support cover 5 can be completed synchronously. Through the support mechanism 6, when installing the brake 8, the fixing between the support cover 5 and the protective cover 10 can also be carried out. When disassembling the brake 8 and the support cover 5 for internal inspection of the protective cover 10, only need to first release the limit of the first fixing nut on the first threaded rod 69, and then press the second control plate 614 and the first control plate 64 to complete the disassembly of the brake 8 and the support cover 5, and the operation is convenient.

[0040] Embodiment Two:

[0041] The installation mechanism 7 includes a second threaded rod 71, a limiting post 72, a first fixing rod 73, a second fixing rod 74, a third fixing rod 75, a limiting hole 76, a first limiting groove 77, a second limiting groove 78, a limiting sleeve 79, a contraction blocking block 710, an adjusting rod 711, a third limiting groove 712 and an extension blocking block 713. Two groups of limiting holes 76 are symmetrically formed on the outer wall of the other end of the biaxial permanent magnet motor 1. A limiting post 72 is clamped inside the limiting hole 76. One end of the two groups of limiting posts 72 is fixedly provided with a brake 8. A second limiting groove 78 is formed inside the limiting post 72. Two groups of first limiting grooves 77 are symmetrically formed inside the brake 8, and the second limiting groove 78 is communicated with the first limiting groove 77. A second threaded rod 71 is slidably arranged inside the first limiting groove 77 and the second limiting groove 78. One end of the second threaded rod 71 is fixedly connected with an adjusting rod 711. Two groups of third limiting grooves 712 are symmetrically formed on the outer wall of the adjusting rod 711. A limiting sleeve 79 is slidably connected inside the two groups of third limiting grooves 712. The outer wall of the limiting sleeve 79 is rotatably connected with two groups of first fixing rods 73 through pins. One end of the first fixing rod 73 is rotatably connected with a second fixing rod 74 through a pin. One end of the two groups of second fixing rods 74 is rotatably connected with a third fixing rod 75 through a pin. One end of the third fixing rod 75 is fixedly connected with one end of the adjusting rod 711. Two groups of extension blocking blocks 713 are arranged on one side of the limiting sleeve 79. Two groups of contraction blocking blocks 710 are arranged on the other side of the limiting sleeve 79. The limiting sleeve 79 cooperates with the extension blocking blocks 713 and the contraction blocking blocks 710.

[0042] Both the extension blocking block 713 and the contraction blocking block 710 are fixedly connected with the inner wall of the second limiting groove 78, and the limiting sleeve 79 is located between the extension blocking block 713 and the contraction blocking block 710.

[0043] The adjusting rod 711 is located inside the second limiting groove 78. The other end of the second threaded rod 71 extends to the outside of the brake 8 and is threadedly connected with a second fixing nut.

[0044] In this embodiment, the limiting post 72 and the limiting hole 76 are aligned to install the brake 8. After the second threaded rod 71 and the adjusting rod 711 pass through the first limiting groove 77 and the second limiting groove 78, the second threaded rod 71 is rotated to rotate the limiting sleeve 79 to a position between the contraction blocking block 710 and the extension blocking block 713. Then, the second threaded rod 71 and the adjusting rod 711 are pulled outwards. After the adjusting rod 711 pulls the third fixing rod 75 to continuously move closer to the limiting sleeve 79, a triangle is formed among the first fixing rod 73, the second fixing rod 74, and the adjusting rod 711, which is restricted on one side of the limiting post 72. Then, the second threaded rod 71 is fixed by the second fixing nut to complete the installation of the brake 8. When disassembling the brake 8: First, release the limitation of the second fixing nut on the second threaded rod 71, push the second threaded rod 71 and the adjusting rod 711 inwards. The adjusting rod 711 drives the third fixing rod 75 to move. After the third fixing rod 75 drives the second fixing rod 74 and the first fixing rod 73 to be parallel to each other, then rotate the second threaded rod 71 to rotate the limiting sleeve 79 out from between the first blocking block 610 and the second blocking block 611, and then pull the second threaded rod 71 and the adjusting rod 711 outwards to complete the disassembly of the brake 8. The installation and disassembly of the brake 8 are completed through the installation mechanism 7.

[0045] The working process and principle of the present invention are as follows:

[0046] When the brake 8 is installed on one side of the support cover 5: The brake 8 moves closer to and connects to the rotating shaft 9 along two groups of special-shaped discs 61. During this process, the brake 8 drives the two groups of special-shaped discs 61 to move to the left, causing mutual extrusion and fixation between the two groups of special-shaped discs 61 and the brake 8. At the same time, the first limit shaft 62 and the first control plate 64 move together with the special-shaped disc 61, and the first blocking block 610 on the outer wall of the special-shaped disc 61 also moves to the other side of the second blocking block 611 along with it to limit the position of the special-shaped disc 61. At this time, the first control plate 64 pulls the connecting rod 65, the connecting rod 65 pulls the lifting plate 66, and the lifting plate 66 drives the first threaded rod 69 to move through the third sliding groove 616 into the fixing groove 68, and the first threaded rod 69 is limited by the first fixing nut to fix the clamping method between the support cover 5 and the protective cover 10, and at the same time complete the installation of the brake 8; When disassembling the brake 8 from above the support cover 5: First, release the limit of the first fixing nut on the first threaded rod 69, then press the second control plate 614, and the second control plate 614 drives the second blocking block 611 to move into the first sliding groove 612. The second blocking block 611 releases the limit on the first blocking block 610, press the first control plate 64 to the side of the support cover 5, and the first control plate 64 drives the special-shaped disc 61 to move to the right to complete the disassembly of the brake 8. At the same time, the first threaded rod 69 moves out of the fixing groove 68 and the third sliding groove 616 due to the movement of the first control plate 64. Then, rotate the lifting plate 66 through the equipment port 67 to move the first threaded rod 69 to one side of the support cover 5. At this time, pull the support cover 5 to complete the synchronous disassembly of the support cover 5 and the brake 8;

[0047] When the brake 8 is installed on one side of the biaxial permanent magnet motor 1: Align the two groups of limit posts 72 on the brake 8 with the two groups of limit holes 76 on the biaxial permanent magnet motor 1, and then let the second threaded rod 71 and the adjusting rod 711 pass through the first limit groove 77 and the second limit groove 78. When the limit sleeve 79 on the adjusting rod 711 moves to one side of the contraction blocking block 710 and the extension blocking block 713, rotate the second threaded rod 71 to drive the limit sleeve 79 on the adjusting rod 711 to rotate, and rotate the limit sleeve 79 between the contraction blocking block 710 and the extension blocking block 713. Then, pull the second threaded rod 71 and the adjusting rod 711 outwards. The limit sleeve 79 is limited by the contraction blocking block 710 and stops moving. The adjusting rod 711 pulls the third fixing rod 75 to continuously move closer to the limit sleeve 79, and the first fixing rod 73 and the second fixing rod 74 also move closer. At this time, a triangle is formed among the first fixing rod 73, the second fixing rod 74, and the adjusting rod 711, which is restricted on one side of the limit post 72. Then, fix the second threaded rod 71 with the second fixing nut to complete the installation of the brake 8. When disassembling the brake 8: First, release the limit of the second fixing nut on the second threaded rod 71, push the second threaded rod 71 and the adjusting rod 711 inwards. The adjusting rod 711 drives the third fixing rod 75 to move. After the third fixing rod 75 drives the second fixing rod 74 and the first fixing rod 73 to be parallel to each other, then rotate the second threaded rod 71 to rotate the limit sleeve 79 out of the space between the first blocking block 610 and the second blocking block 611, and then pull the second threaded rod 71 and the adjusting rod 711 outwards to complete the disassembly of the brake 8.

[0048] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only the specific implementation manners. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the relevant technical fields can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An efficient traction machine with an axle brake protection structure, comprising a dual-axis permanent magnet motor (1), a motor shaft (2), a reducer (3) and a traction wheel (4). The motor shaft (2) is arranged inside the dual-axis permanent magnet motor (1). One end of the motor shaft (2) is provided with a reducer (3). A rotating shaft (9) is arranged inside the reducer (3). A traction wheel (4) is arranged on the outer wall of the rotating shaft (9), characterized in that, A protective cover (10) is provided on the outer side of the traction wheel (4). A support cover (5) is clamped on one side of the protective cover (10). Support mechanisms (6) are symmetrically arranged on the outer side of the support cover (5). A brake (8) is provided at the other end of the dual-axis permanent magnet motor (1) through a mounting mechanism (7). The support mechanism (6) includes a special-shaped disk (61), a first limiting shaft (62), a U-shaped plate (63), a first control plate (64), a connecting rod (65), a lifting plate (66), an equipment port (67), a fixing groove (68), a first threaded rod (69), a first blocking block (610), a second blocking block (611), a first sliding groove (612), a second sliding groove (613), a second control plate (614), a spring damper (615) and a third sliding groove (616). The U-shaped plate (63) is fixedly connected to the side wall of the support cover (5). A first sliding groove (612) and a second sliding groove (613) are formed inside the U-shaped plate (63). The first sliding groove (612) and the second sliding groove (613) are communicated with each other and are perpendicularly arranged. The third sliding groove (616) is formed on the outer wall at the connection of the protective cover (10) and the support cover (5). The third sliding groove (616) is communicated with the fixing groove (68). The first limiting shaft (62) is rotatably connected inside the U-shaped plate (63) through a bearing. A special-shaped disk (61) and a first control plate (64) are fixedly connected to the outer side of the first limiting shaft (62). The side of the special-shaped disk (61) close to the rotating shaft (9) is an arc surface. A connecting rod (65) is arranged on one side of the first control plate (64). The connecting rod (65) passes through the support cover (5) and extends into the protective cover (10) movably and is rotatably connected to the lifting plate (66) through a bearing. A first threaded rod (69) is fixedly connected to the outer wall of the lifting plate (66), and the first threaded rod (69) and the connecting rod (65) are on the same side. The first threaded rod (69) passes through the third sliding groove (616) and one end extends into the fixing groove (68). A first blocking block (610) is fixedly connected to one end of the arc surface of the special-shaped disk (61). A spring damper (615) is fixedly arranged inside the first sliding groove (612). A second blocking block (611) is arranged at one end of the spring damper (615), and the second blocking block (611) and the first blocking block (610) cooperate with each other. A second control plate (614) is fixedly connected to one end of the second blocking block (611), and one end of the second control plate (614) extends outside the second sliding groove (613). The equipment port (67) is located on one side of the lifting plate (66), and the equipment port (67) is formed on the outer wall of the protective cover (10).

2. The high-efficiency traction machine with an axle brake protection structure according to claim 1, characterized in that, The fixing groove (68) is formed on the outer wall of the support cover (5). The second blocking block (611) is slidably connected to the inner wall of the first sliding groove (612).

3. An efficient traction machine with a shaft brake protection structure according to claim 1, characterized in that, A first fixing nut is threadedly connected to the outer wall of the first threaded rod (69) located inside the fixing groove (68), and the second control board (614) is located inside the second sliding groove (613).

4. An efficient traction machine with an axle brake protection structure according to claim 1, characterized in that, A T-shaped sliding groove is formed in the outer wall of the first control board (64), and a T-shaped slider is slidably connected inside the T-shaped sliding groove. The outer wall of the T-shaped slider is rotatably connected to the connecting rod (65) through a pin.

5. An efficient traction machine with a shaft brake protection structure according to claim 1, characterized in that, The mounting mechanism (7) includes a second threaded rod (71), a limiting post (72), a first fixing rod (73), a second fixing rod (74), a third fixing rod (75), a limiting hole (76), a first limiting groove (77), a second limiting groove (78), a limiting sleeve (79), a contraction blocking block (710), an adjusting rod (711), a third limiting groove (712), and an extension blocking block (713). Two groups of limiting holes (76) are symmetrically formed in the outer wall of the other end of the biaxial permanent magnet motor (1). The limiting post (72) is clamped inside the limiting hole (76). One ends of the two groups of limiting posts (72) are fixedly provided with a brake (8). A second limiting groove (78) is formed inside the limiting post (72). Two groups of first limiting grooves (77) are symmetrically formed inside the brake (8), and the second limiting groove (78) communicates with the first limiting groove (77). The second threaded rod (71) is slidably arranged inside the first limiting groove (77) and the second limiting groove (78). One end of the second threaded rod (71) is fixedly connected to the adjusting rod (711). Two groups of third limiting grooves (712) are symmetrically formed in the outer wall of the adjusting rod (711). The limiting sleeve (79) is slidably connected inside the two groups of third limiting grooves (712). The outer wall of the limiting sleeve (79) is rotatably connected to two groups of first fixing rods (73) through pins. One end of the first fixing rod (73) is rotatably connected to the second fixing rod (74) through a pin. One ends of the two groups of second fixing rods (74) are rotatably connected to the third fixing rod (75) through pins. One end of the third fixing rod (75) is fixedly connected to one end of the adjusting rod (711). Two groups of extension blocking blocks (713) are arranged on one side of the limiting sleeve (79). Two groups of contraction blocking blocks (710) are arranged on the other side of the limiting sleeve (79). The limiting sleeve (79) cooperates with the extension blocking blocks (713) and the contraction blocking blocks (710).

6. An efficient traction machine with an axle brake protection structure according to claim 5, characterized in that, Both the extension blocking block (713) and the contraction blocking block (710) are fixedly connected to the inner wall of the second limiting groove (78), and the limiting sleeve (79) is located between the extension blocking block (713) and the contraction blocking block (710).

7. An efficient traction machine with an axle brake protection structure according to claim 5, characterized in that, The adjusting rod (711) is located inside the second limiting groove (78). The other end of the second threaded rod (71) extends to the outside of the brake (8) and is threadedly connected to a second fixing nut.

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