CN211110557U - Assembly structure of rotating shaft and traction sheave in traction machine - Google Patents
Assembly structure of rotating shaft and traction sheave in traction machine Download PDFInfo
- Publication number
- CN211110557U CN211110557U CN201921972196.5U CN201921972196U CN211110557U CN 211110557 U CN211110557 U CN 211110557U CN 201921972196 U CN201921972196 U CN 201921972196U CN 211110557 U CN211110557 U CN 211110557U
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- traction sheave
- traction
- rotating shaft
- mounting section
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Abstract
The utility model discloses an assembly structure of pivot and driving sheave in hauler, characterized by: the rotating shaft is axially divided into a machine base mounting section, a traction sheave mounting section and a brake mounting section; the diameter of the traction sheave mounting section is gradually reduced from the first end to the second end, and the diameter of the traction sheave central hole is gradually reduced from the first end to the second end and matched with the traction sheave mounting section; the diameter of the brake installation section is smaller than or equal to the diameter of the second end of the traction sheave installation section. The utility model discloses showing and promoting assembly efficiency between them.
Description
Technical Field
The utility model relates to a mechanical assembly structure, more specifically relate to an assembly structure of pivot and driving sheave in hauler.
Background
The traction machine is power equipment of an elevator, and is also called an elevator main machine. The function is to transport and transmit power to run the elevator. It is composed of machine base, rotor, stator, brake, coupling, speed reducer, traction wheel, machine frame, guide wheel and auxiliary handwheel for turning gear. The guide wheels are typically mounted on the frame or on a load beam below the frame. Some of the barring hand wheels are fixed on the motor shaft, and also hung on a nearby wall at ordinary times, and then sleeved on the motor shaft when in use.
In the assembly structure, the traction sheave is assembled on the rotating shaft of the rotor in the circumferential direction and the axial direction, and the machine base and the brake are positioned on two sides of the traction sheave so as to drag the steel wire rope. In the prior art, the traction sheave needs to be assembled in the middle of the rotating shaft, and the rotating shaft and the central holes of the traction sheave are of equal-diameter structures, so that the inner wall of the central hole can be in contact with the outer wall of the rotating shaft in the process of assembling the traction sheave, friction force is generated, and the traction sheave is prevented from moving relative to the rotating shaft, and the assembly efficiency of the traction sheave and the rotating shaft is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides an assembly structure of pivot and driving sheave in hauler is showing and has promoted assembly efficiency between them.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an assembly structure of a rotating shaft and a traction sheave in a traction machine is characterized in that: the rotating shaft is axially divided into a machine base mounting section, a traction sheave mounting section and a brake mounting section; the diameter of the traction sheave mounting section is gradually reduced from the first end to the second end, and the diameter of the traction sheave central hole is gradually reduced from the first end to the second end and matched with the traction sheave mounting section; the diameter of the brake installation section is smaller than or equal to the diameter of the second end of the traction sheave installation section.
Preferably, the first end of the traction sheave mounting section has a limit step against which the traction sheave abuts, and the second end of the traction sheave is fitted with a nut assembly pressing the traction sheave toward the limit step.
Preferably, a key block is assembled in the central hole of the traction sheave, and a key groove for the key block to fit is formed in the traction sheave mounting section.
Preferably, the end cover of the base is provided with a bridge frame extending towards the brake and connected with the brake.
Preferably, the bridge frame is of an annular structure and is provided with an outlet.
Preferably, the bridge frame is provided with a hanging ring.
The utility model has the advantages that: when the traction sheave is assembled, the traction sheave is installed on the traction sheave installation section from one side of the brake installation section, and the diameter of the traction sheave is gradually reduced from the first end to the second end, and the diameter of the brake installation section is smaller than or equal to that of the second end of the traction sheave installation section, so that in the process of installing the traction sheave, the contact surface of the central hole and the rotating shaft is small or not in contact, the friction force between the central hole and the rotating shaft is reduced, and the assembly of the traction sheave to the traction sheave installation section is remarkably facilitated.
Drawings
Fig. 1 is a sectional view showing an assembling structure of a rotating shaft and a traction sheave in a traction machine provided in this embodiment;
FIG. 2 is a schematic view of a rotating shaft provided in the present embodiment;
fig. 3 is an assembly view of the rotating shaft and the traction sheave according to this embodiment.
Detailed Description
The assembling structure of the rotating shaft and the traction sheave in the traction machine of the present invention will be further described with reference to fig. 1 to 3.
An assembly structure of a rotating shaft and a traction sheave in a traction machine is characterized in that: the rotating shaft 5 is divided into a base mounting section 51, a traction sheave mounting section 52 and a brake mounting section 53 along the axial direction thereof, the base mounting section 51 is used for assembling the base housing and the rotor 7, the traction sheave mounting section 52 is used for assembling the traction sheave 4, and the brake mounting section 53 is used for mounting the brake 3. The diameter of the traction sheave mounting section 52 gradually decreases from the first end to the second end, as shown in fig. 2, the left end is the first end, the right end is the second end, and the diameter of the central hole of the traction sheave 4 gradually decreases from the first end to the second end and is matched with the traction sheave mounting section 52; the diameter of the brake installation section 53 is smaller than or equal to the diameter of the second end of the traction sheave installation section 52.
When assembling, the traction sheave 4 is installed onto the traction sheave installation section 52 from one side of the brake installation section 53, since the diameter of the traction sheave 4 becomes gradually smaller from the first end to the second end, and the diameter of the brake installation section 53 is smaller than or equal to the diameter of the second end of the traction sheave installation section 52, the contact surface between the central hole of the traction sheave 4 and the rotating shaft 5 is small or non-contact during the installation of the traction sheave 4, the friction force between the two is reduced, and the assembly of the traction sheave 4 onto the traction sheave installation section 52 is significantly facilitated.
The embodiment is further configured as follows: the first end of the traction sheave mounting section 52 has a limit step 521 against which the traction sheave 4 abuts, the second end of the traction sheave 4 is fitted with a nut assembly 6 that presses the traction sheave 4 toward the limit step 521, and the nut assembly 6 includes a round nut 62 and a washer 61. The first end of the traction sheave 4 is limited through the limiting step 521, the second end of the traction sheave 4 is limited axially through the nut component 6, and the traction sheave is simple in structure, convenient to assemble and high and stable in structural strength.
The embodiment is further configured as follows: the central hole of the traction sheave 4 is provided with a key block 7, and the traction sheave mounting section 52 is provided with a key groove for matching the key block 7. The circumferential limiting of the rotating shaft 5 and the traction sheave 4 can be realized under the structure.
The embodiment is further configured as follows: the end cap 11 of the housing 1 has a bridge 2 extending toward the housing of the brake 3 and connected to the housing of the brake 3. The bridging frame 2 can improve the structural strength of the whole traction sheave 4 and the stability of supporting the steel wire rope, thereby improving the stability of winding and unwinding the steel wire rope.
The embodiment is further configured as follows: the bridging frame 2 is of an annular structure and is integrated with the end cover of the machine base 1, and a wire outlet is formed in the side wall of the bridging frame 2. The annular structure can play a certain sealed shielding role to play a shielding protection role for the traction sheave 4 and the steel wire rope wound on the traction sheave 4.
The embodiment is further configured as follows: the bridge frame 2 is provided with a hanging ring. Through this rings 8, can be convenient for the transport of this embodiment.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An assembly structure of a rotating shaft and a traction sheave in a traction machine is characterized in that: the rotating shaft is axially divided into a machine base mounting section, a traction sheave mounting section and a brake mounting section; the diameter of the traction sheave mounting section is gradually reduced from the first end to the second end, and the diameter of the traction sheave central hole is gradually reduced from the first end to the second end and matched with the traction sheave mounting section; the diameter of the brake installation section is smaller than or equal to the diameter of the second end of the traction sheave installation section.
2. The assembling structure of the rotating shaft and the traction sheave in the traction machine according to claim 1, wherein: the first end of the traction sheave mounting section is provided with a limiting step against which the traction sheave abuts, and the second end of the traction sheave is provided with a nut assembly which presses the traction sheave towards the limiting step.
3. The assembling structure of the rotating shaft and the traction sheave in the traction machine according to claim 1, wherein: the central hole of the traction sheave is internally provided with a key block, and the mounting section of the traction sheave is provided with a key groove for matching the key block.
4. The assembling structure of the rotating shaft and the traction sheave in the traction machine according to claim 1, wherein: and a bridge frame which extends towards the brake and is connected with the brake is arranged on the end cover of the engine base.
5. The assembling structure of the rotating shaft and the traction sheave in the traction machine as claimed in claim 4, wherein: the bridge frame is of an annular structure and is provided with a wire outlet.
6. The assembling structure of the rotating shaft and the traction sheave in the traction machine as claimed in claim 4, wherein: the bridge frame is provided with a hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972196.5U CN211110557U (en) | 2019-11-14 | 2019-11-14 | Assembly structure of rotating shaft and traction sheave in traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972196.5U CN211110557U (en) | 2019-11-14 | 2019-11-14 | Assembly structure of rotating shaft and traction sheave in traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211110557U true CN211110557U (en) | 2020-07-28 |
Family
ID=71720298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921972196.5U Active CN211110557U (en) | 2019-11-14 | 2019-11-14 | Assembly structure of rotating shaft and traction sheave in traction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211110557U (en) |
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2019
- 2019-11-14 CN CN201921972196.5U patent/CN211110557U/en active Active
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