Quickly detachable and replaceable spliced elevator traction sheave

Abstract

The present application relates to elevator technology field, specifically to a kind of spliced elevator traction sheave of quick disassembly and replacement, including inner rim, and the outer side of inner rim is equipped and fixed with several sector outer rims, and several sector outer rims are sequentially fixed tail to tail, and the output end of traction machine is fixed to the side of inner rim, and the circular ring formed by several sector outer rims is equipped with several steel wire ropes.The present application can achieve the purposes that traction sheave structure is simple, and disassembly and assembly are convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the elevator technical field, in particular to a kind of spliced elevator traction sheave of quick disassembly and replacement. BACKGROUND

[0002] In recent years, with the continuous emergence of high-rise buildings, elevator as the indispensable vertical transport equipment in daily life, has brought great convenience to people's life and work.Traction elevator is the current widely used elevator type, in the running process, traction sheave groove and steel wire rope are always in contact and friction, in turn produce material loss, cause groove subsidence to increase, with the increase of use time will affect the traction ability of elevator, at this time, it is necessary to replace new traction sheave to ensure the normal operation of elevator.

[0003] But in prior art, usually first separate elevator traction sheave and traction steel wire rope, then the whole traction sheave is all unloaded, replace a new complete elevator traction sheave, finally cooperate and install traction steel wire rope and new traction sheave, complete once the replacement work of elevator traction sheave after successful debugging again.But this kind of way of replacing traction sheave is time-consuming and laborious, and the utilization rate of traction sheave is not high, so a kind of spliced elevator traction sheave of quick disassembly and replacement is needed to solve. SUMMARY

[0004] The purpose of the present application is to provide a kind of spliced elevator traction sheave of quick disassembly and replacement, to solve the above problems, reach the purpose that traction sheave structure is simple, disassembly and assembly are convenient.

[0005] To achieve the above object, the present application provides the following scheme:

[0006] A kind of spliced elevator traction sheave of quick disassembly and replacement, including inner rim, the inner rim outside is equipped with and is fixed with a plurality of fan-shaped outer rim, a plurality of the fan-shaped outer rim is sequentially fixed tail to tail, the output end of traction machine is fixed on one side of the inner rim, steel wire rope is equipped in the circular ring formed by a plurality of the fan-shaped outer rim outside.

[0007] Preferably, one end of the fan-shaped outer rim is provided with a plurality of trapezoidal grooves, the other end of the fan-shaped outer rim is provided with a plurality of trapezoidal blocks, the trapezoidal blocks are matched with the trapezoidal grooves, a plurality of the trapezoidal blocks and a plurality of the trapezoidal grooves are one-to-one corresponding, the side wall of the fan-shaped outer rim is provided with a plurality of first screw holes, the inner side of the fan-shaped outer rim is provided with arc baffle, a plurality of second screw holes are provided in the arc baffle, and a plurality of traction sheave grooves are provided on the outer side wall of the fan-shaped outer rim.

[0008] Preferably, the traction sheave groove section is semicircular or V-shaped.

[0009] Preferably, the central angle of the fan-shaped outer rim is 120°.

[0010] Preferably, the included angle between two adjacent first screw holes and two adjacent second screw holes is 60°, and the included angle between the first screw hole and the second screw hole located at the edge and the edge line of the corresponding fan-shaped outer rim is 30°.

[0011] Preferably, the inner rim comprises a support top plate, one side of the support top plate is fixedly connected with a rotary surface, a circular ring partition plate is arranged in the rotary surface, a plurality of alignment screw holes are arranged on the circular ring partition plate in a circumferential direction at equal intervals, the circular ring partition plate is fixedly connected with the output end of the traction machine through the plurality of alignment screw holes, a plurality of fourth screw holes are arranged on the support top plate in a circumferential direction at equal intervals, the plurality of fourth screw holes correspond to the plurality of first screw holes of the plurality of fan-shaped outer rims one by one, and a plurality of third screw holes are arranged on the rotary surface in a circumferential direction at equal intervals, the plurality of third screw holes correspond to the plurality of second screw holes of the plurality of fan-shaped outer rims one by one.

[0012] Preferably, the circular ring partition plate is located at the position of the center of symmetry of the front and back of the plurality of fan-shaped outer rims constituting a circular ring.

[0013] Preferably, a distance is left between the traction wheel rope groove and the support top plate, and the length of the distance is the same as the width between the protrusions of two adjacent traction wheel rope grooves.

[0014] The elevator traction wheel of the present application has the following technical effects: the elevator traction wheel of the present application is provided in a splicing mode, three fan-shaped outer rims can be individually disassembled, the specific wear condition of the traction wheel can be replaced conveniently, and since the wrap angle range of the traction steel wire rope cannot exceed 180°, each fan-shaped outer rim can be disassembled and replaced without separating the steel wire rope, which is convenient and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a structural schematic diagram of the present application;

[0017] Figure 2 It is a structural schematic diagram of the inner rim of the present application;

[0018] Figure 3 It is a structural schematic diagram of the fan-shaped outer rim of the present application;

[0019] Figure 4A vertical section schematic view of the installed fan-shaped outer wheel of the present application;

[0020] Wherein, 1, traction machine; 2, steel wire rope; 3, fan-shaped outer wheel; 5, inner wheel; 31, trapezoidal groove; 32, first screw hole; 33, traction wheel rope groove; 34, trapezoidal block; 35, second screw hole; 51, support top plate; 52, circular ring partition; 53, alignment screw hole; 54, rotary surface; 55, third screw hole; 56, fourth screw hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0023] Reference Figures 1-4 The present application provides a spliced elevator traction wheel which can be quickly disassembled and replaced, comprising an inner wheel 5, a plurality of fan-shaped outer wheels 3 which are sleeved and fixed outside the inner wheel 5, the plurality of fan-shaped outer wheels 3 being sequentially fixed end to end, and an output end of a traction machine 1 being fixed to one side of the inner wheel 5, and the steel wire rope 2 being sleeved outside the circular ring formed by the plurality of fan-shaped outer wheels 3.

[0024] When installing for the first time, the main body inner wheel 5 and the traction machine 1 are assembled, the plurality of fan-shaped outer wheels 3 are fixed on the inner wheel 5, and the plurality of fan-shaped outer wheels 3 are sequentially fixed end to end to form a complete circular traction wheel, and the plurality of steel wire ropes 2 are sleeved on the circular traction wheel formed by the plurality of fan-shaped outer wheels 3, thereby completing the installation of the complete elevator traction wheel. When the circular traction wheel formed by the plurality of fan-shaped outer wheels 3 needs to be replaced, the same number and specifications of fan-shaped outer wheels 3 are prepared, any old fan-shaped outer wheel is turned to the lower position not in contact with the steel wire rope 2, the fan-shaped outer wheel 3 is disassembled and replaced with a new fan-shaped outer wheel 3, and the above steps are repeated, so that the elevator traction wheel can be quickly replaced without separating the traction wheel from the steel wire rope 2.

[0025] The number of the plurality of fan-shaped outer wheels 3 is not less than 3.

[0026] Further optimization scheme, the one end of the fan-shaped outer wheel ring 3 is provided with a plurality of trapezoidal grooves 31, the other end of the fan-shaped outer wheel ring 3 is provided with a plurality of trapezoidal blocks 34, the trapezoidal blocks 34 are matched with the trapezoidal grooves 31, a plurality of trapezoidal blocks 34 correspond to a plurality of trapezoidal grooves 31 one by one, the side wall of the fan-shaped outer wheel ring 3 is provided with a plurality of first screw holes 32, the inner side of the fan-shaped outer wheel ring 3 is provided with an arc baffle, the arc baffle is provided with a plurality of second screw holes 35, and the outer side wall of the fan-shaped outer wheel ring 3 is provided with a plurality of traction sheave rope grooves 33.

[0027] The trapezoidal grooves 31 and the trapezoidal blocks 34 are arranged at two ends of the fan-shaped outer wheel ring 3 respectively, the trapezoidal grooves 31 and the trapezoidal blocks 34 are matched in structure, so that the trapezoidal blocks 34 can be slid into the trapezoidal grooves 31, and a plurality of trapezoidal grooves 31 and a plurality of trapezoidal blocks 34 can facilitate the splicing of two adjacent fan-shaped outer wheel rings 3.

[0028] In the application, the bottom angle of the trapezoidal groove 31 is 60°, and the bottom is rounded.

[0029] In the application, the number of trapezoidal grooves 31 is preferably 2.

[0030] In the application, the number of traction sheave rope grooves 33 is 6.

[0031] Further optimization scheme, the cross section of the traction sheave rope groove 33 is semicircular or V-shaped.

[0032] The semicircular or V-shaped traction sheave rope groove 33 is matched with the cross section of the steel wire rope 2 to increase the contact area between the traction sheave rope groove 33 and the outer surface of the steel wire rope 2.

[0033] Further optimization scheme, the central angle of the fan-shaped outer wheel ring 3 is 120°.

[0034] In the application, the number of fan-shaped outer wheel rings 3 is preferably 3, and the central angle of each fan-shaped outer wheel ring 3 is 120°, and the three fan-shaped outer wheel rings 3 are spliced to form a complete circular traction sheave.

[0035] Further optimization scheme, the included angle between the two adjacent first screw holes 32 and the two adjacent second screw holes 35 is 60°, and the included angle between the first screw hole 32 and the second screw hole 35 located at the edge and the corresponding edge line of the fan-shaped outer wheel ring 3 is 30°.

[0036] When the central angle of the fan-shaped outer wheel ring 3 is 120°, each fan-shaped outer wheel ring 3 has two first screw holes 32 and two second screw holes 35. In this way, the position of the screw hole on the fan-shaped outer wheel ring 3 corresponds to the position of the screw hole on the inner wheel ring 5.

[0037] Further optimization scheme, the inner wheel rim 5 comprises a support top plate 51, one side of the support top plate 51 is fixedly connected with a rotary surface 54, the rotary surface 54 is provided with a circular ring partition plate 52, a plurality of aligned screw holes 53 are arranged on the circular ring partition plate 52 in equal intervals in the circumferential direction, the circular ring partition plate 52 is fixedly connected with the output end of the traction machine 1 through the plurality of aligned screw holes 53, a plurality of fourth screw holes 56 are arranged on the support top plate 51 in equal intervals in the circumferential direction, the plurality of fourth screw holes 56 correspond to the plurality of first screw holes 32 of the plurality of fan-shaped outer wheel rims 3 one by one, a plurality of third screw holes 55 are arranged on the rotary surface 54 in equal intervals in the circumferential direction, and the plurality of third screw holes 55 correspond to the second screw holes 35 of the plurality of fan-shaped outer wheel rims 3 one by one.

[0038] In the application, the number of aligned screw holes 53 is preferably six, six screws are inserted into the aligned screw holes 53 and the inner holes of the traction machine 1 and are tightly fixed, so that the inner wheel rim 5 is fixedly connected with the output end of the traction machine 1, and the main body inner wheel rim 5 can only rotate following the rotation of the traction machine 1.

[0039] The number of fourth screw holes 56 and third screw holes 55 is preferably six, and every two adjacent fourth screw holes 56 are fixedly connected with two first screw holes 32 on the fan-shaped outer wheel rim 3 through bolts, so that the fan-shaped outer wheel rim 3 and the inner wheel rim 5 are fixed, when the fourth screw holes 56 and the first screw holes 32 are corresponded, the third screw holes 55 and the second screw holes 35 of the fan-shaped outer wheel rim 3 are automatically corresponded, and only the bolts need to be inserted and tightly fixed.

[0040] The outer edge of the support top plate 51 of the inner wheel rim 5 and the outermost arc surface of the fan-shaped outer wheel rim 3 are on the same circular surface, and the inner wall of the inner wheel rim 5 and the innermost arc surface of the fan-shaped outer wheel rim 3 are on the same circular surface.

[0041] Further optimization scheme, the circular ring partition plate 52 is located at the position of the center of symmetry between the front and back of the plurality of fan-shaped outer wheel rims 3.

[0042] Further optimization scheme, the traction wheel rope groove 33 is kept a distance from the support top plate 51, and the distance length is the same as the width between the protrusions of adjacent two traction wheel rope grooves 33.

[0043] The working process of the application is as follows:

[0044] When installing for the first time, first, extend six screws into the aligned screw holes 53 and the inner hole of the traction machine 1 and tighten to fix, so that the inner rim 5 is fixed with the output end of the traction machine 1, so that the main body inner rim 5 can only rotate following the rotation of the traction machine 1, then push any sector-shaped outer rim 3 inwards along the rotation surface 54 of the main body inner rim 5 until pressing against the supporting top plate 51, rotate the sector-shaped outer rim 3 to adjust its direction, align the second screw hole 35 and the third screw hole 55, the first screw hole 32 and the fourth screw hole 56 are also automatically aligned, fix by screw, so that the main body inner rim 5 and the sector-shaped outer rim 3 have no relative movement, push the trapezoidal block of another sector-shaped outer rim 3 inwards along the trapezoidal groove 31 of the last sector-shaped outer rim 3, then fix by screw, repeat the above process, and the installation of the complete elevator traction sheave is completed.

[0045] When the traction sheave rope groove 33 is worn to a certain extent, the sector-shaped outer rim 3 needs to be replaced, only the same number and specifications of sector-shaped outer rims 3 are prepared, since the steel wire rope wrap angle is not allowed to exceed 180°, when one of the old sector-shaped outer rims 3 is rotated to the lower position not in contact with the steel wire rope 2, the screw can be unscrewed, the old sector-shaped outer rim 3 is removed and replaced with a new sector-shaped outer rim 3, and the above steps are repeated, so that the elevator traction sheave can be quickly replaced without separating the traction sheave from the steel wire rope 2.

[0046] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0047] The above-described embodiments are only preferred modes of the present application and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A spliceable elevator sheave that is quickly detachable and replaceable, characterized by: The utility model provides a kind of traction sheave, including inner rim (5), the outer side of the inner rim (5) is equipped with several fan-shaped outer rim (3) and is fixed, several the fan-shaped outer rim (3) is sequentially fixed tail to head, the output end of traction machine (1) is fixed to one side of the inner rim (5), steel wire rope (2) is equipped in several the fan-shaped outer rim (3) and is formed circular ring outside; The one end of the fan-shaped outer rim (3) is provided with several trapezoidal grooves (31), the other end of the fan-shaped outer rim (3) is provided with several trapezoidal blocks (34), the trapezoidal blocks (34) are matched with the trapezoidal grooves (31), several the trapezoidal blocks (34) and several the trapezoidal grooves (31) one to one correspondence, the sidewall of the fan-shaped outer rim (3) is provided with several first screw holes (32) through, the inner side of the fan-shaped outer rim (3) is provided with arc baffle, several second screw holes (35) are provided through on the arc baffle; The inner rim (5) includes support top plate (51), one side of the support top plate (51) is fixed with rotary surface (54), the rotary surface (54) is provided with circular ring partition (52) inside, several alignment screw holes (53) are provided on the circular ring partition (52) and are equidistantly arranged in circumferential direction, the circular ring partition (52) is fixed with the output end of the traction machine (1) by several the alignment screw holes (53), several fourth screw holes (56) are provided on the support top plate (51) and are equidistantly arranged in circumferential direction, several the fourth screw holes (56) and several the first screw holes (32) of several the fan-shaped outer rim (3) one to one correspondence, several third screw holes (55) are provided on the rotary surface (54) and are equidistantly arranged in circumferential direction, several the third screw holes (55) and the second screw holes (35) of several the fan-shaped outer rim (3) one to one correspondence.

2. The quick detachable and replaceable spliced elevator traction sheave as claimed in claim 1, wherein: The outer sidewall of the fan-shaped outer rim (3) is provided with several traction sheave rope grooves (33).

3. The quick detachable and replaceable spliced elevator traction sheave as claimed in claim 2, wherein: The traction sheave rope groove (33) is semicircular or V-shaped in cross section.

4. The quick detachable and replaceable spliced elevator traction sheave as claimed in claim 1, wherein: The central angle of the fan-shaped outer rim (3) is 120°.

5. The quick detachable and replaceable spliced elevator traction sheave as claimed in claim 1, wherein: The included angle between adjacent two first screw holes (32) and adjacent two second screw holes (35) is 60°, and the included angle between the first screw hole (32) and the second screw hole (35) located at the edge and the edge line of the corresponding fan-shaped outer rim (3) is 30°.

6. The quick detachable and replaceable spliced elevator traction sheave as claimed in claim 1, wherein: The circular ring partition (52) is located at the symmetrical center position of the front and back of the plurality of fan-shaped outer rims (3) forming a circular ring.

7. The quick detachable and replaceable spliced elevator traction sheave as claimed in claim 2, wherein: The distance between the traction sheave rope groove (33) and the support top plate (51) is the same as the width between the adjacent two protrusions of the traction sheave rope groove (33).

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