CN214569919U - Rope pulley assembly and elevator - Google Patents
Rope pulley assembly and elevator Download PDFInfo
- Publication number
- CN214569919U CN214569919U CN202120170503.9U CN202120170503U CN214569919U CN 214569919 U CN214569919 U CN 214569919U CN 202120170503 U CN202120170503 U CN 202120170503U CN 214569919 U CN214569919 U CN 214569919U
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- Prior art keywords
- fastener
- shaft
- axle sleeve
- shaft sleeve
- sheave
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Pulleys (AREA)
Abstract
The utility model discloses a rope pulley subassembly, establish including axle, cover axle sleeve and rope sheave outside the axle, the axle sleeve is located the both sides of rope sheave and between the adjacent rope sheave, the axle sleeve on be provided with and run through the through hole of axle sleeve wall thickness direction, be provided with the fastener in the through hole, the one end of fastener is run through the axle sleeve is supported tightly epaxial. The utility model discloses a rope sheave bearing member is fixed axle sleeve and axle through set up through hole and fastener in the week of axle sleeve, thereby prevents to take place to follow the skew of commentaries on classics and axle sleeve behind axle sleeve and the rope sheave contact.
Description
Technical Field
The utility model relates to an elevator technical field, concretely relates to rope sheave assembly and elevator including this rope sheave assembly.
Background
The existing rope sheave device of the elevator is applied to a counterweight system, a car frame and a tractor system, when the existing rope sheave device runs, a shaft sleeve and a rope sheave rotate with each other, abnormal sound is easy to generate, and the rope sheave possibly deviates axially.
Disclosure of Invention
In view of this, in order to solve prior art's problem, the utility model provides an improved rope sheave assembly can prevent that the axle sleeve from taking place to follow to change and axial displacement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rope pulley subassembly, includes axle, cover and establishes axle sleeve and rope sheave outside the axle, the axle sleeve is located the both sides of rope sheave and between the adjacent rope sheave, the axle sleeve on be provided with and run through the through hole of axle sleeve wall thickness direction, be provided with the fastener in the through hole, the one end of fastener is run through the axle sleeve supports tightly epaxial.
Thereby it is fixed with axle sleeve and axle through set up through hole and fastener in the circumference of axle sleeve, prevent that axle sleeve and rope sheave contact back from taking place to follow to change.
According to some preferred implementation aspects of the present invention, the rope wheel corresponds the through hole is provided with a mounting groove, the mounting groove is used for supplying the fastener to pass through when mounting. The clearance between the adjacent rope pulleys is small, and the fastening piece is convenient to mount and dismount after the mounting groove is formed.
According to some preferred embodiments of the present invention, the mounting groove is opened in a radial direction of the sheave.
According to some preferred embodiments of the invention, the mounting groove is provided with an arc-shaped cross section. After the rope sheave is installed, the installation grooves of two adjacent rope sheaves form a channel similar to a cylinder, and the through hole is communicated with the outside, so that a fastener is convenient to install.
According to some preferred implementation aspects of the utility model, the rope sheave is established including the cover the outer bearing of axle and being located the outer wheel portion of bearing, the axle sleeve is located between the both sides of bearing and the adjacent bearing, the one end or the both ends of axle sleeve support the bearing.
According to some preferred implementation aspects of the present invention, an internal thread is provided on an inner wall of the through hole, and an external thread matched with the internal thread is provided outside the fastener, preferably the fastener is a screw, a threaded rod or a bolt.
According to some preferred aspects of the invention, the length of the fastener is greater than the wall thickness of the sleeve to more securely fix the sleeve to the shaft.
According to some preferred embodiments of the present invention, the fastening member is provided at a midpoint of a gap between adjacent sheaves.
According to some preferred implementation aspects of the present invention, the shaft sleeve is circumferentially provided with one fastening member, or two or more fastening members are evenly spaced apart from each other, so that the force between the shaft sleeve and the shaft is even.
The utility model also provides an elevator including as above rope sheave assembly.
Compared with the prior art, the utility model discloses an useful part lies in: the utility model discloses a rope sheave bearing member is fixed axle sleeve and axle through set up through hole and fastener in the week of axle sleeve, thereby prevents to take place to follow the skew of commentaries on classics and axle sleeve behind axle sleeve and the rope sheave contact.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a sheave assembly in a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
wherein: the rope wheel comprises a shaft-1, a shaft sleeve-2, a rope wheel-3, a mounting groove-4 and a fastener-5.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 2, the elevator of the present embodiment includes components in the conventional elevator field, such as a car, a vertical beam, and a hoisting system. The traction system comprises a rope wheel assembly, the rope wheel assembly in the embodiment comprises a shaft 1, shaft sleeves 2 and rope wheels 3, the shaft sleeves 2 are sleeved outside the shaft 1, the shaft sleeves 2 are located on two sides of the rope wheels 3 and between the adjacent rope wheels 3, through holes penetrating through the wall thickness direction of the shaft sleeves 2 are formed in the shaft sleeves 2, fastening pieces 5 are arranged in the through holes, and one ends of the fastening pieces 5 penetrate through the shaft sleeves 2 and abut against the shaft 1. The rope sheave 3 comprises a bearing sleeved outside the shaft 1 and a wheel part positioned outside the bearing, the shaft sleeve 2 is positioned on two sides of the bearing and between adjacent bearings, and one end or two ends of the shaft sleeve 2 are propped against the bearing. The inner wall of the through hole is provided with internal threads, and the fastening piece 5 is a screw, a threaded rod or a bolt. The shaft sleeve 2 is clamped inside the rope pulley 3, the rope pulley 3 is fixed through the shaft sleeve 2 in the axial direction, and the rope pulley 3 cannot move in the axial direction when the elevator runs.
The rope sheave 3 is provided with a mounting groove 4 corresponding to the through hole, and the mounting groove 4 is used for a fastening piece 5 to pass through when mounting. The clearance between the adjacent rope pulleys 3 is small, and the fastening piece 5 is convenient to mount and dismount after the mounting groove 4 is formed. The mounting groove 4 is opened along the radial direction of the rope pulley 3. The section of the mounting groove 4 is arc-shaped. After the rope pulley 3 is installed, the installation grooves 4 of two adjacent rope pulleys 3 form a channel similar to a cylinder, the through hole is communicated with the outside, and the fastening piece 5 for circumferentially fixing the shaft sleeve 2 and the shaft 1 is conveniently operated outside the rope pulley 3 through a tool.
The length of the fastener 5 is greater than the wall thickness of the sleeve 2 so that the fastener bears against the outer wall of the shaft 1 to more securely fix the sleeve 2 to the shaft 1. The fastener 5 is disposed at a midpoint of a gap between the adjacent sheaves 3. In this embodiment, a fastening member 5 is installed on the circumference of each shaft sleeve 2, the fastening members 5 on different shaft sleeves 2 are located in different radial directions of the shaft 1, the fastening members 5 at different positions are projected onto the same cross section of the shaft 1, and the fastening members 5 at different positions are symmetrically arranged, so that the shaft 1 is uniformly stressed. As shown in fig. 1, when there are only two fastening members 5 in total, the two fastening members 5 are disposed at both ends of the shaft 1 in the same diameter direction.
In other embodiments, one fastening member 5 is disposed on the circumference of the shaft sleeve 2, or two or more fastening members 5 are uniformly spaced, so that the force between the shaft sleeve 2 and the shaft 1 is uniform.
The utility model provides a rope sheave bearing member forms horizontal location with the axle through bearing and axle sleeve, thereby it is fixed with axle sleeve and axle through set up through hole and fastener in the circumference of axle sleeve, prevents to take place to follow the commentaries on classics after axle sleeve and the rope sheave contact, and simple to operate, can not obstruct the operation of axle and rope sheave.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The rope pulley assembly is characterized by comprising a shaft, a shaft sleeve and a rope pulley, wherein the shaft sleeve and the rope pulley are arranged outside the shaft, the shaft sleeve is positioned between two sides of the rope pulley and the adjacent rope pulley, a through hole penetrating through the wall thickness direction of the shaft sleeve is formed in the shaft sleeve, a fastener is arranged in the through hole, and one end of the fastener penetrates through the shaft sleeve and abuts against the shaft.
2. The sheave assembly of claim 1, wherein the sheave is provided with a mounting groove corresponding to the through hole, the mounting groove for passage of the fastener when installed.
3. The sheave assembly of claim 2, wherein the mounting groove is open in a radial direction of the sheave.
4. The sheave assembly of claim 2, wherein the mounting groove is arcuate in cross-section.
5. The sheave assembly of claim 1, wherein the sheave comprises a bearing disposed about the shaft and a wheel portion disposed about the bearing, wherein the shaft sleeve is disposed on opposite sides of the bearing and between adjacent bearings, and wherein one or both ends of the shaft sleeve abut the bearing.
6. The sheave assembly of claim 1, wherein an internal thread is disposed on an inner wall of the through-hole and an external thread is disposed outside the fastener that mates with the internal thread.
7. The sheave assembly of claim 1, wherein a length of the fastener is greater than a wall thickness of the bushing.
8. The sheave assembly of claim 1, wherein the fastener is disposed at a midpoint of a gap between adjacent sheaves.
9. The rope pulley assembly according to any one of claims 1-8, wherein the shaft sleeve is provided with one fastening member in the circumferential direction, or two or more fastening members are uniformly distributed at intervals.
10. An elevator comprising the sheave assembly of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120170503.9U CN214569919U (en) | 2021-01-21 | 2021-01-21 | Rope pulley assembly and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120170503.9U CN214569919U (en) | 2021-01-21 | 2021-01-21 | Rope pulley assembly and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214569919U true CN214569919U (en) | 2021-11-02 |
Family
ID=78370451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120170503.9U Active CN214569919U (en) | 2021-01-21 | 2021-01-21 | Rope pulley assembly and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214569919U (en) |
-
2021
- 2021-01-21 CN CN202120170503.9U patent/CN214569919U/en active Active
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