Rotor mechanism and traction machine

Abstract

The utility model discloses a rotor mechanism and a traction machine, belongs to the technical field of elevator equipment, and comprises a brake wheel assembly, a traction wheel and a rotor assembly, the brake wheel assembly comprises a first wheel body and a second wheel body, the rotor assembly is installed at the first end of the first wheel body, the second end of the first wheel body is detachably connected with the second wheel body, and the traction wheel is connected with the second wheel body. A first mounting cavity is formed in the second wheel body; the first wheel body is bent, an L-shaped groove is formed outside the first wheel body, the traction wheel is installed outside the first wheel body, and at least part of the traction wheel is located in the L-shaped groove; the first wheel body is provided with a brake part. The first wheel body is detachably connected with the second wheel body, the first wheel body is provided with the brake part, the brake part is used for being matched with the brake, in the long-term use process, the performance of the brake part of the first wheel body is reduced due to abrasion, the first wheel body is detached from the second wheel body, and therefore the first wheel body is replaced with a new first wheel body; the brake wheel assembly is prevented from being completely replaced, and the problem that the existing brake wheel replacement cost is high is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevator equipment, in particular to a rotor mechanism and a traction machine. Background Art

[0002] The elevator traction machine is the power equipment of the elevator, which is used to drive the car up and down. The elevator traction machine is mainly composed of motor, brake wheel, coupling, reduction box, traction wheel and other components. The motor can be a permanent magnet synchronous motor, which includes a stator assembly and a rotor mechanism that cooperate with each other. The stator assembly cooperates with the rotor mechanism.

[0003] However, the brake wheel of the existing rotor mechanism generally adopts an integrated design. During long-term use, the brake wheel cooperates with the brake assembly, making the brake wheel easily become a vulnerable part, and the cost of replacing the brake wheel is high. Therefore, there is still room for improvement in the structure of the existing rotor mechanism. Utility Model Content

[0004] The utility model aims to improve the problem of high cost of replacing the existing brake wheel and provide a rotor mechanism and a traction machine.

[0005] The technical solutions to achieve the above objectives include the following:

[0006] A rotor mechanism comprises a brake wheel assembly, a traction wheel and a rotor assembly, wherein the brake wheel assembly comprises a first wheel body and a second wheel body, the rotor assembly is mounted on the first end of the first wheel body, the second end of the first wheel body is detachably connected to the second wheel body, and the second wheel body has a first mounting cavity; the first wheel body is bent, the first wheel body has an L-shaped groove outside, the traction wheel is mounted on the first wheel body and is at least partially located in the L-shaped groove; wherein the first wheel body has a brake portion.

[0007] In one embodiment, the rotor mechanism further includes a first fastener, a second fastener and a third fastener, the first end of the first wheel body is fixed to the rotor assembly via the first fastener, the second end of the first wheel body is fixed to the second wheel body via the second fastener, and the traction wheel is fixed to the third end of the first wheel body via the third fastener.

[0008] In one embodiment, the rotor assembly is a complete part or a loose part, the first fastener is a bolt, the complete part has a threaded hole, and the bolt passes through the first wheel body and is fixed to the threaded hole of the complete part;

[0009] And / or, the first wheel body has a threaded hole, and the bolt passes through the bulk part and is fixed to the threaded hole of the first wheel body.

[0010] The utility model also proposes a traction machine, including a machine base, a bearing and a rotor mechanism as described above, wherein the rotor mechanism is installed outside the bearing, and the bearing is located in a first installation cavity of the rotor mechanism, the bearing is sleeved on the machine base, and the rotor mechanism rotates with the machine base through the bearing.

[0011] In one embodiment, the base includes a first base body, a second base body and a stator assembly, the first base body and the second base body are both columnar structures, the first base body and the second base body are an integrated structure, the second base body is sleeved outside the first base body and forms an installation groove, the stator assembly is installed in the installation groove and cooperates with the rotor assembly.

[0012] In one embodiment, the first seat body is a concave-convex structure, the first seat body has a support shaft and a groove, the support shaft is arranged opposite to the groove, the bearing is installed on the support shaft, and the support shaft is at least partially located in the first installation cavity.

[0013] In one embodiment, the base has reinforcing ribs, which are installed on the inner wall of the groove and extend along the axial direction of the first base body.

[0014] In one embodiment, the rotor mechanism further has an encoding component, the support shaft has a second mounting cavity, the encoding component is mounted on the second wheel body, and at least a portion of the encoding component is located in the second mounting cavity of the support shaft, and there is a movable gap between the encoding component and the support shaft.

[0015] In one embodiment, the encoding component includes a mounting member, a first encoding portion and a second encoding portion, the first encoding portion is mounted on the first base body, the second encoding portion is mounted on the mounting member, and the mounting member is mounted on the second wheel body and is located on the side wall of the second wheel body.

[0016] In one embodiment, the mounting member is in a T-shaped structure.

[0017] The technical solution provided by the utility model has the following advantages and effects:

[0018] 1. The rotor assembly is used to cooperate with the stator assembly of the traction machine, so that the rotor assembly rotates around the stator assembly, thereby driving the traction wheel to rotate and providing power for the traction wheel; and by detachably connecting the first wheel body and the second wheel body, the first wheel body has a brake part, the brake part is used to cooperate with the brake, and the brake is used to apply force to the brake part to stop the brake part from rotating; in long-term use, the performance of the brake part of the first wheel body is reduced due to wear, and the first wheel body can be removed from the second wheel body, so as to replace a new first wheel body, avoiding the replacement of the brake wheel assembly, and improving the problem of high cost of replacing the existing brake wheel. In addition, the first wheel body has an L-shaped groove, the traction wheel is installed outside the first wheel body, and at least part of it is located in the L-shaped groove, the connection between the brake wheel assembly and the traction wheel is more compact, making the size of the traction machine more compact.

[0019] 2. To facilitate installation and disassembly of the rotor mechanism, the first wheel body and the rotor assembly are fixed by a first fastener, the first wheel body and the second wheel body are fixed by a second fastener, and the traction wheel and the first wheel body are fixed by a third fastener; the first fastener, the second fastener and the third fastener are used to fix the rotor mechanism.

[0020] 3. Among the types of rotor assemblies, the rotor assemblies are divided into complete parts and loose parts. When installing the complete parts, it is only necessary to fix at least a part of the complete parts to the first wheel body, and the installation method is relatively simple; when installing the loose parts, the loose parts are composed of multiple stacked iron cores, and the first fastener is required to pass through the loose parts, and then fix the loose parts on the first wheel body; therefore, in the connection between the rotor assembly and the first wheel body, two different installation structures are proposed according to the type of the rotor assembly to improve the flexibility of the rotor mechanism.

[0021] 4. The bearing is located in the first installation cavity of the rotor mechanism. The rotor mechanism rotates with the machine base through the bearing, making the relationship between the rotor mechanism, the bearing and the machine base more closely matched. In addition, the bearing is used to reduce the friction resistance between the rotor mechanism and the machine base, reducing the power consumption loss of the traction machine during operation.

[0022] 5. By sleeve-arranging the second seat body outside the first seat body and forming a mounting groove, the stator assembly is installed in the mounting groove, so that the connection between the stator assembly and the machine base is more compact, and the size of the traction machine is further miniaturized; and it can also ensure that the stator assembly and the rotor assembly are matched.

[0023] 6. The first seat body has a concave-convex structure. The convex part of the first seat body is used to form a support seat, and the concave part of the first seat body is used to form a groove. The support shaft is used to support the bearing. At least part of the support shaft is located in the first installation cavity, so that the first seat body and the second seat body can be matched more compactly.

[0024] 7. By arranging reinforcing ribs on the inner wall of the groove, the structural strength of the base can be improved, and the stability of the base supporting the rotor mechanism and the stator assembly can be improved.

[0025] 8. The motion and position of the traction machine are measured, planned and controlled through the encoding component; the position of the traction machine is determined by measuring the rotation angle of the traction wheel in the rotor assembly, and the information is transmitted to the controller.

[0026] 9. The first encoding part is used to be fixed on the first seat body, and the second encoding part is used to be installed on the mounting member. The mounting member is installed on the second wheel body so that the second encoding part rotates with the second wheel body. The first encoding part is used to cooperate with the second encoding part. When the second encoding part is damaged, the second encoding part can be replaced by removing the mounting member. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings herein show specific examples of the technical solutions described in the present utility model, and together with the specific implementation methods constitute a part of the specification, and are used to explain the technical solutions, principles and effects of the present utility model.

[0028] Unless otherwise specified or defined, the same reference numerals in different drawings represent the same or similar technical features, and the same or similar technical features may also be represented by different reference numerals.

[0029] Figure 1 It is a structural schematic diagram of a traction machine in an embodiment of the utility model;

[0030] Figure 2 It is a structural sectional view of the traction machine in the embodiment of the utility model;

[0031] Figure 3 In the present utility model embodiment Figure 2 A partial enlarged view of .

[0032] Figure 4 This is a schematic diagram of the connection between the rotor assembly and the brake wheel assembly in the embodiment of the utility model;

[0033] Description of reference numerals:

[0034] 100, traction machine; 10, machine base; 11, first seat body; 12, second seat body; 13, mounting groove; 14, stator assembly; 15, support shaft; 16, groove; 17, reinforcing ribs; 20, brake wheel assembly; 21, first wheel body; 211, brake part; 22, second wheel body; 23, encoding assembly; 231, mounting piece; 232, first encoding part; 233, second encoding part; 24, first fastener; 25, second fastener; 26, third fastener; 30, traction wheel; 31, pull rope; 40, rotor assembly; 50, bearing. DETAILED DESCRIPTION

[0035] In order to facilitate the understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0036] Unless otherwise specified or defined, the "first, second..." used in this article is merely used to distinguish names and does not represent a specific quantity or order.

[0037] Unless specifically stated or defined otherwise, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0038] It should be noted that when a component is considered to be "fixed to" another component, it can be directly fixed to the other component or there can be a central component; when an component is considered to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time; when an component is considered to be "installed on" another component, it can be directly installed on the other component or there can be a central component at the same time. When an component is considered to be "set on" another component, it can be directly set on the other component or there can be a central component at the same time.

[0039] Embodiment 1

[0040] like Figures 1 to 3As shown, a rotor mechanism includes a brake wheel assembly 20, a traction wheel 30 and a rotor assembly 40, wherein the brake wheel assembly 20 includes a first wheel body 21 and a second wheel body 22, wherein the rotor assembly 40 is mounted on a first end of the first wheel body 21, wherein the second end of the first wheel body 21 is detachably connected to the second wheel body 22, wherein the second wheel body 22 has a first mounting cavity therein; wherein the first wheel body 21 is in a bent shape, wherein the first wheel body 21 has an L-shaped groove 212 thereon, wherein the traction wheel 30 is mounted on the outside of the first wheel body 21, and is at least partially located in the L-shaped groove 212; wherein the first wheel body 21 has a brake portion 211 thereon. The rotor assembly 40 is used to cooperate with the stator assembly 14 of the traction machine 100, so that the rotor assembly 40 rotates around the stator assembly 14, thereby driving the traction wheel 30 to rotate and providing power for the traction wheel 30; and by detachably connecting the first wheel body 21 and the second wheel body 22, the first wheel body 21 has a brake part 211, and the brake part 211 is used to cooperate with the brake, and the brake is used to apply a force to the brake part 211 to stop the brake part 211 from rotating; during long-term use, the performance of the brake part 211 of the first wheel body 21 is reduced due to wear, and the first wheel body 21 can be removed from the second wheel body 22, so as to replace the new first wheel body 21, avoiding the replacement of the entire brake wheel assembly 20, thereby improving the problem of high cost of replacing the existing brake wheel. Moreover, the first wheel body 21 has an L-shaped groove 212 outside, the traction wheel 30 is installed outside the first wheel body 21 and is at least partially located in the L-shaped groove 212. The connection between the brake wheel assembly 20 and the traction wheel 30 is more compact, making the traction machine 100 more compact.

[0041] In this embodiment, the outer wall of the traction wheel 30 has a wire groove, which is used to accommodate the pull rope 31. One end of the pull rope 31 is fixed to the traction wheel 30, and the other end is used to connect to the car. When the traction wheel 30 rotates clockwise or counterclockwise, it drives the car to move up and down.

[0042] like Figure 2 As shown, the rotor mechanism further includes a first fastener 24, a second fastener 25 and a third fastener 26. The first end of the first wheel body 21 is fixed to the rotor assembly 40 through the first fastener 24, the second end of the first wheel body 21 is fixed to the second wheel body 22 through the second fastener 25, and the traction wheel 30 is fixed to the third end of the first wheel body 21 through the third fastener 26. In order to facilitate the installation and disassembly of the rotor mechanism. The first wheel body 21 is fixed to the rotor assembly 40 through the first fastener 24, the first wheel body 21 is fixed to the second wheel body 22 through the second fastener 25, and the traction wheel 30 is fixed to the first wheel body 21 through the third fastener 26; the first fastener 24, the second fastener 25 and the third fastener 26 are all bolts, and are used to fix the various components of the rotor mechanism to improve the structural integrity of the rotor mechanism.

[0043] In addition, the rotor assembly 40 is a complete part or a bulk part, the first fastener 24 is a bolt, the complete part has a threaded hole, the bolt passes through the first wheel body 21 and is fixed to the threaded hole of the complete part; and / or, the first wheel body 21 has a threaded hole, the bolt passes through the bulk part and is fixed to the threaded hole of the first wheel body 21. In the types of rotor assemblies 40, the rotor assemblies 40 are divided into complete parts and bulk parts, such as Figure 2 As shown, when installing the assembly, it is only necessary to fix at least a portion of the assembly to the first wheel body 21, and the installation method is relatively simple; Figure 4 As shown, when installing the bulk parts, the bulk parts are composed of multiple stacked iron cores, and the first fastener 24 is required to pass through the bulk parts, and then fix the bulk parts on the first wheel body 21; therefore, in the connection between the rotor assembly 40 and the first wheel body 21, two different installation structures are proposed according to the type of rotor assembly 40 to improve the flexibility of the rotor mechanism.

[0044] Embodiment 2

[0045] like Figures 1 to 4 As shown, the utility model also proposes a traction machine 100, comprising a machine base 10, a bearing 50 and the rotor mechanism as described above, wherein the rotor mechanism is installed outside the bearing 50, and the bearing 50 is located in the first installation cavity of the rotor mechanism, the bearing 50 is sleeved on the machine base 10, and the rotor mechanism is rotatably matched with the machine base 10 through the bearing 50. The bearing 50 is located in the first installation cavity of the rotor mechanism, and the rotor mechanism is rotatably matched with the machine base 10 through the bearing 50, so that the relationship between the rotor mechanism, the bearing 50 and the machine base 10 is more closely matched, and the bearing 50 is used to reduce the friction resistance between the rotor mechanism and the machine base 10, and reduce the power consumption loss of the traction machine 100 during operation.

[0046] like Figure 2 As shown, the base 10 includes a first base body 11, a second base body 12 and a stator assembly 14. The first base body 11 and the second base body 12 are both columnar structures. The first base body 11 and the second base body 12 are an integrated structure. The second base body 12 is sleeved outside the first base body 11 to form a mounting groove 13. The stator assembly 14 is installed in the mounting groove 13 and cooperates with the rotor assembly 40. By sleeved the second base body 12 outside the first base body 11 to form the mounting groove 13, and the stator assembly 14 is installed in the mounting groove 13, the connection relationship between the stator assembly 14 and the base 10 is made more compact, and the size of the traction machine 100 is further miniaturized; and the stator assembly 14 can also be ensured to cooperate with the rotor assembly 40.

[0047] like Figure 2As shown, the first seat body 11 is a concave-convex structure, the first seat body 11 has a support shaft 15 and a groove 16, the support shaft 15 is arranged opposite to the groove 16, the bearing 50 is installed on the support shaft 15, and the support shaft 15 is at least partially located in the first installation cavity. The first seat body 11 is a concave-convex structure, the convex part of the first seat body 11 is used to form the support seat 15, the concave part of the first seat body 11 is used to form the groove 16, the support shaft 15 is used to support the bearing 50, and at least part of the support shaft 15 is located in the first installation cavity, so that the first seat body 11 and the second seat body 12 are more compact.

[0048] like Figure 1 and Figure 2 As shown, the base 10 has reinforcing ribs 17, which are installed on the inner wall of the groove 16 and extend along the axial direction of the first base body 11. By providing the reinforcing ribs 17 on the inner wall of the groove 16, the structural strength of the base 10 can be improved, and the stability of the base 10 in supporting the rotor mechanism and the stator assembly 14 can be improved.

[0049] like Figure 2 and Figure 3 As shown, the rotor mechanism also has an encoding component 23, the support shaft 15 has a second installation cavity, the encoding component 23 is installed on the second wheel body 22, and at least a part of the encoding component 23 is located in the second installation cavity of the support shaft 15, and there is a movable gap between the encoding component 23 and the support shaft 15. The movement and position of the traction machine 100 are measured and planned by the encoding component 23, and are controlled; the position of the traction machine 100 is determined by measuring the rotation angle of the rotor component 40 and the traction wheel 30, and the information is transmitted to the controller.

[0050] like Figure 2 and Figure 3 As shown, the encoding assembly 23 includes a mounting member 231, a first encoding part 232 and a second encoding part 233. The first encoding part 232 is mounted on the first base body 11, and the second encoding part 233 is mounted on the mounting member 231. The mounting member 231 is mounted on the second wheel body 22 and is located on the side wall of the second wheel body 22. The first encoding part 232 is used to be fixed on the first base body 11, and the second encoding part 233 is used to be mounted on the mounting member 231. The mounting member 231 is mounted on the second wheel body 22 so that the second encoding part 233 rotates with the second wheel body 22. The first encoding part 232 is used to cooperate with the second encoding part 233. When the second encoding part 233 is damaged, the second encoding part 233 can be replaced by disassembling the mounting member 231.

[0051] like Figure 2As shown, the mounting member 231 is in a T-shaped structure. The T-shaped mounting member 231 can be inserted into the support shaft 15, and the mounting member 231 can flexibly adjust its insertion depth, thereby adjusting the installation position of the encoding component 23.

[0052] The purpose of the above embodiments is to exemplarily reproduce and deduce the technical solution of the utility model, and to fully describe the technical solution, purpose and effect of the utility model. Its purpose is to make the public understand the disclosed content of the utility model more thoroughly and comprehensively, and it does not limit the protection scope of the utility model.

[0053] The above embodiments are not exhaustive enumerations based on the present invention, and there may be multiple other implementations not listed. Any replacement and improvement made without violating the concept of the present invention shall fall within the protection scope of the present invention.

Claims

1. A rotor mechanism, characterized in that: It includes a brake wheel assembly, a traction wheel and a rotor assembly, the brake wheel assembly includes a first wheel body and a second wheel body, the rotor assembly is installed on the first end of the first wheel body, the second end of the first wheel body is detachably connected to the second wheel body, and the second wheel body has a first installation cavity; the first wheel body is bent, the first wheel body has an L-shaped groove outside, the traction wheel is installed outside the first wheel body and is at least partially located in the L-shaped groove; wherein, the first wheel body has a brake portion.

2. The rotor mechanism according to claim 1, characterized in that: The rotor mechanism also includes a first fastener, a second fastener and a third fastener. The first end of the first wheel body is fixed to the rotor assembly via the first fastener, the second end of the first wheel body is fixed to the second wheel body via the second fastener, and the traction wheel is fixed to the third end of the first wheel body via the third fastener.

3. The rotor mechanism according to claim 2, characterized in that: The rotor assembly is a complete part or a loose part, the first fastener is a bolt, the complete part has a threaded hole, and the bolt passes through the first wheel body and is fixed to the threaded hole of the complete part; And / or, the first wheel body has a threaded hole, and the bolt passes through the bulk part and is fixed to the threaded hole of the first wheel body.

4. A traction machine, characterized in that: It comprises a machine base, a bearing and a rotor mechanism as described in any one of claims 1 to 3, wherein the rotor mechanism is installed outside the bearing, and the bearing is located in a first installation cavity of the rotor mechanism, the bearing is sleeved on the machine base, and the rotor mechanism is rotatably matched with the machine base through the bearing.

5. The traction machine according to claim 4, characterized in that: The base includes a first base body, a second base body and a stator assembly. The first base body and the second base body are both columnar structures. The first base body and the second base body are an integrated structure. The second base body is sleeved outside the first base body and forms a mounting groove. The stator assembly is installed in the mounting groove and cooperates with the rotor assembly.

6. The traction machine according to claim 5, characterized in that: The first seat body is a concave-convex structure, and the first seat body has a support shaft and a groove, the support shaft is arranged opposite to the groove, the bearing is installed on the support shaft, and the support shaft is at least partially located in the first installation cavity.

7. The traction machine according to claim 6, characterized in that: The machine base has reinforcing ribs, which are installed on the inner wall of the groove and extend along the axial direction of the first base body.

8. The traction machine according to claim 6, characterized in that: The rotor mechanism also has an encoding component, the support shaft has a second installation cavity, the encoding component is installed on the second wheel body, and at least a part of the encoding component is located in the second installation cavity of the support shaft, and there is a movable gap between the encoding component and the support shaft.

9. The traction machine according to claim 8, characterized in that: The encoding component includes a mounting member, a first encoding part and a second encoding part, wherein the first encoding part is mounted on the first seat body, and the second encoding part is mounted on the mounting member, and the mounting member is mounted on the second wheel body and is located on the side wall of the second wheel body.

10. The traction machine according to claim 9, characterized in that: The mounting piece is in a T-shaped structure.

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