Elevator traction system and elevator

Abstract

The elevator traction system comprises a supporting frame, a counterweight diversion sheave assembly, a counterweight body, a counterweight wheel assembly, a traction machine and a traction rope, the counterweight diversion sheave assembly and the traction machine are both arranged on the supporting frame, and the counterweight wheel assembly and the counterweight diversion sheave assembly are arranged at intervals in the first direction. The counterweight wheel assembly comprises a vertical counterweight wheel and a plurality of parallel counterweight wheels, the vertical counterweight wheel and the parallel counterweight wheels are arranged on the counterweight body at intervals in the second direction, the parallel counterweight wheels are symmetrically arranged on the two sides of the vertical counterweight wheel, the axial direction of the vertical counterweight wheel is parallel to the second direction, and the axial directions of the parallel counterweight wheels are parallel to the third direction; the counter-weight diversion sheave assembly comprises two inclined counter-weight diversion sheaves with included angles in the axial direction and the second direction, one end of the traction rope is fixedly connected with the supporting frame, and the other end of the traction rope is led out after passing through the vertical counter-weight wheel, the parallel counter-weight wheel and the inclined counter-weight diversion sheaves so as to be connected with a traction machine. Therefore, the space occupation of the elevator traction system in the elevator depth direction can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator traction, in particular to an elevator traction system and an elevator. Background Art

[0002] With the progress of society and the continuous development of industry, large-tonnage freight elevators are being used more and more widely. For large-tonnage freight elevators, in order to use smaller lifting force to lift larger cars and cargo weights, elevator traction systems with high traction ratios are usually used.

[0003] However, in some elevator car application scenarios where the elevator is wider and shallower, the elevator traction system of the existing structure cannot be installed due to the size limitation of the elevator shaft, making it difficult to meet the use requirements of the elevator with a shallow depth. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the first purpose of the utility model is to propose an elevator traction system, which realizes the change of the traction rope winding direction through the coordinated arrangement of the vertical counterweight wheel, the inclined counterweight return rope wheel and the parallel counterweight wheel relative positions, and the arrangement of the vertical counterweight wheel and the inclined counterweight return rope wheel can reduce the arrangement size of the counterweight wheel assembly and the counterweight return rope wheel assembly in the second direction, thereby helping to reduce the space occupied by the elevator traction system in the second direction, and meeting the use requirements of the elevator with a shallow depth.

[0005] The second objective of the utility model is to provide an elevator.

[0006] To achieve the above-mentioned object, the first embodiment of the utility model proposes an elevator traction system, comprising: a support frame, a counterweight counter rope pulley assembly, a counterweight body, a counterweight pulley assembly, a traction machine and a traction rope,

[0007] The counterweight anti-rope pulley assembly and the traction machine are both arranged on the support frame, and the counterweight pulley assembly and the counterweight anti-rope pulley assembly are arranged at intervals along the first direction;

[0008] The counterweight wheel assembly includes a vertical counterweight wheel and a plurality of parallel counterweight wheels, the vertical counterweight wheel and the plurality of parallel counterweight wheels are arranged at intervals on the counterweight body along the second direction, and the plurality of parallel counterweight wheels are symmetrically arranged on both sides of the vertical counterweight wheel, the axial direction of the vertical counterweight wheel is parallel to the second direction, and the axial directions of the plurality of parallel counterweight wheels are parallel to the third direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other;

[0009] The counterweight return rope pulley assembly includes two inclined counterweight return rope pulleys, which are arranged at intervals on both sides of the vertical counterweight wheel along the second direction, and the axial directions of the two inclined counterweight return rope pulleys have an angle with the second direction, so that one end of each inclined counterweight return rope pulley coincides with the center of a corresponding end of the vertical counterweight wheel along the first direction, and the other end coincides with the center of an end of a corresponding parallel counterweight wheel adjacent to the vertical counterweight wheel close to the vertical counterweight wheel along the first direction;

[0010] One end of the traction rope is fixedly connected to the support frame, and the other end is led out after passing through the vertical counterweight wheel, the parallel counterweight wheel and the inclined counterweight counterrope wheel to be connected to the traction machine.

[0011] According to the elevator traction system of the embodiment of the utility model, the change of the winding direction of the traction rope is achieved through the coordinated arrangement of the vertical counterweight wheel, the inclined counterweight counterrope wheel and the parallel counterweight wheel. The arrangement of the vertical counterweight wheel and the inclined counterweight counterrope wheel can reduce the arrangement size of the counterweight wheel assembly and the counterweight counterrope wheel assembly in the second direction, which is beneficial to reduce the space occupied by the elevator traction system in the second direction and meet the use requirement of the elevator with a shallow depth.

[0012] According to some examples of the present invention, the counterweight body has a symmetry center line parallel to the first direction, and the vertical counterweight wheel is symmetrically arranged on the counterweight body relative to the symmetry center line.

[0013] According to some examples of the utility model, the counterweight back rope pulley assembly also includes multiple parallel counterweight back rope pulleys. Along the second direction, the multiple parallel counterweight back rope pulleys are arranged on both sides of the two inclined counterweight back rope pulleys, and the axes of the multiple parallel counterweight back rope pulleys are parallel to the third direction.

[0014] According to some examples of the utility model, the counterweight wheel assembly includes a first parallel counterweight wheel, a second parallel counterweight wheel and a vertical counterweight wheel, the counterweight counter-ropes wheel assembly includes a first inclined counterweight counter-ropes wheel and a second inclined counterweight counter-ropes wheel, the first inclined counterweight counter-ropes wheel is arranged between the first parallel counterweight wheel and the vertical counterweight wheel along the second direction, one end of the first inclined counterweight counter-ropes wheel coincides with the center of the first end of the vertical counterweight wheel along the first direction, and the other end coincides with the center of one end of the first parallel counterweight wheel close to the vertical counterweight wheel along the first direction;

[0015] The second inclined counterweight anti-ropes pulley is arranged between the second parallel counterweight wheel and the vertical counterweight wheel along the second direction, one end of the second inclined counterweight anti-ropes pulley coincides with the center of the second end of the vertical counterweight wheel along the first direction, and the other end coincides with the center of one end of the second parallel counterweight wheel close to the vertical counterweight wheel along the first direction;

[0016] The traction rope is led out through the first parallel counterweight wheel, the first inclined counterweight counterrope wheel, the vertical counterweight wheel, the second inclined counterweight counterrope wheel, and the second parallel counterweight wheel in sequence to be connected to the traction machine.

[0017] According to some examples of the present invention, the counterweight wheel assembly further includes a third parallel counterweight wheel and a fourth parallel counterweight wheel, the third parallel counterweight wheel being arranged along the second direction on a side of the first parallel counterweight wheel away from the vertical counterweight wheel, and the fourth parallel counterweight wheel being arranged along the second direction on a side of the second parallel counterweight wheel away from the vertical counterweight wheel;

[0018] The counterweight anti-ropes pulley assembly also includes a first parallel counterweight anti-ropes pulley and a second parallel counterweight anti-ropes pulley, wherein the first parallel counterweight anti-ropes pulley is arranged on a side close to the third parallel counterweight pulley along the second direction, and the second parallel counterweight anti-ropes pulley is arranged on a side close to the fourth parallel counterweight pulley along the second direction;

[0019] The traction rope is used to be introduced into the first parallel counterweight wheel after passing through the third parallel counterweight wheel, the fourth parallel counterweight wheel, the second parallel counterweight return rope wheel and the first parallel counterweight return rope wheel.

[0020] According to some examples of the present invention, along the first direction, the third parallel counterweight wheel, the fourth parallel counterweight wheel, and the first parallel counterweight wheel, the second parallel counterweight wheel have a height difference.

[0021] According to some examples of the present invention, along the first direction, the first parallel counterweight return rope pulley, the second parallel counterweight return rope pulley and the first inclined counterweight return rope pulley, and the second inclined counterweight return rope pulley have a height difference.

[0022] According to some examples of the present invention, it also includes:

[0023] A car top wheel assembly, the car top wheel assembly is arranged on the car frame of the elevator, and the car top wheel assembly comprises a first car top wheel group and a second car top wheel group arranged at intervals along the second direction;

[0024] A car top return rope pulley assembly is arranged on the support frame, the car top return rope pulley assembly comprises a first car top return rope pulley group and a second car top return rope pulley group which are arranged at intervals along the second direction, the first car top return rope pulley group comprises a first transverse car top return rope pulley, the second car top return rope pulley group comprises a second transverse car top return rope pulley, and the axial direction of the first transverse car top return rope pulley and the axial direction of the second transverse car top return rope pulley are both parallel to the third direction;

[0025] The traction rope is led out from the traction machine through the first car top wheel group, and then extends to the second car top wheel group through the first transverse car top return rope pulley and the second transverse car top return rope pulley in sequence, and is connected to the support frame from the second car top wheel group.

[0026] According to some examples of the utility model, the first car top wheel group includes a first car top wheel, a second car top wheel, a third car top wheel, and a fourth car top wheel arranged at intervals along the third direction, and the axial directions of the first car top wheel, the second car top wheel, the third car top wheel, and the fourth car top wheel are all parallel to the second direction;

[0027] The second car top wheel group includes a fifth car top wheel, a sixth car top wheel, a seventh car top wheel, and an eighth car top wheel arranged at intervals along the third direction, and the axes of the fifth car top wheel, the sixth car top wheel, the seventh car top wheel, and the eighth car top wheel are all parallel to the second direction;

[0028] The first car top return rope pulley group also includes a first car top return rope pulley and a second car top return rope pulley arranged at intervals along the third direction, the axes of the first car top return rope pulley and the second car top return rope pulley are parallel to the second direction, and the first transverse car top return rope pulley is located on a side of the second car top return rope pulley away from the first car top return rope pulley;

[0029] The second car top return rope pulley group also includes a third car top return rope pulley and a fourth car top return rope pulley arranged at intervals along the third direction, the axes of the third car top return rope pulley and the fourth car top return rope pulley are parallel to the second direction, and the second transverse car top return rope pulley is located on a side of the third car top return rope pulley away from the fourth car top return rope pulley;

[0030] To achieve the above-mentioned object, a second embodiment of the present utility model provides an elevator, including the elevator traction system in the first embodiment.

[0031] According to the elevator of the embodiment of the utility model, by setting the above-mentioned elevator traction system, the change of the winding direction of the traction rope is realized through the coordinated setting of the vertical counterweight wheel, the inclined counterweight counter-rope wheel and the parallel counterweight wheel relative to each other, and the setting of the vertical counterweight wheel and the inclined counterweight counter-rope wheel can reduce the arrangement size of the counterweight wheel assembly and the counterweight counter-rope wheel assembly in the second direction, which is beneficial to reduce the space occupied by the elevator traction system in the second direction and meet the use requirement of the elevator with a shallow depth.

[0032] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0034] Figure 1 It is a structural schematic diagram of an elevator traction system according to an embodiment of the utility model;

[0035] Figure 2 yes Figure 1 A top view of

[0036] Figure 3 It is a structural schematic diagram of a support frame, a counterweight wheel assembly, a counterweight body, a counterweight return rope wheel assembly, a car top return rope wheel assembly and a traction machine according to an embodiment of the utility model;

[0037] Figure 4 It is a front view of a traction rope passing through a counterweight wheel assembly, a counterweight return rope wheel assembly and a traction machine according to an embodiment of the utility model;

[0038] Figure 5 It is a three-dimensional diagram of a traction rope passing through a counterweight wheel assembly, a counterweight anti-rope wheel assembly and a traction machine according to an embodiment of the utility model;

[0039] Figure 6 It is a structural schematic diagram of an elevator traction system according to another embodiment of the utility model;

[0040] Figure 7 The present invention is a schematic structural diagram of a traction rope passing through a car top wheel assembly, a car top return rope wheel assembly and a traction machine according to an embodiment of the present invention.

[0041] Reference numerals:

[0042] Elevator traction system 100;

[0043] Support frame 1;

[0044] Counterweight counter rope pulley assembly 2; inclined counterweight counter rope pulley 21; parallel counterweight counter rope pulley 22; first inclined counterweight counter rope pulley 23; second inclined counterweight counter rope pulley 24; first parallel counterweight counter rope pulley 25; second parallel counterweight counter rope pulley 26;

[0045] Counterweight body 3;

[0046] Counterweight wheel assembly 4; vertical counterweight wheel 41; parallel counterweight wheel 42; first parallel counterweight wheel 43; second parallel counterweight wheel 44; third parallel counterweight wheel 45; fourth parallel counterweight wheel 46;

[0047] Traction machine 5;

[0048] Towing rope 6;

[0049] The top wheel assembly 7; the first top wheel group 71; the first top wheel 711; the second top wheel 712; the third top wheel 713; the fourth top wheel 714; the second top wheel group 72; the fifth top wheel 721; the sixth top wheel 722; the seventh top wheel 723; the eighth top wheel 724;

[0050] The car top return rope wheel assembly 8; the first car top return rope wheel group 81; the first transverse car top return rope wheel 811; the first car top return rope wheel 812; the second car top return rope wheel 813; the second car top return rope wheel group 82; the second transverse car top return rope wheel 821; the third car top return rope wheel 822; the fourth car top return rope wheel 823;

[0051] Carriage frame 9;

[0052] Guide wheel 10;

[0053] The first direction is X; the second direction is Y; the third direction is Z. DETAILED DESCRIPTION

[0054] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0055] The thickness of the counterweight wheel in the present application along the axial direction is smaller than the diameter, that is, the thickness of the counterweight wheel is smaller than the diameter of the counterweight wheel. The depth direction mentioned in the present application refers to the direction perpendicular to the elevator door, that is, the depth direction of the car body. The shallow shaft mentioned in the present application refers to an elevator shaft with smaller dimensions in the depth direction and the width direction. The first direction mentioned in the present application is the direction of gravity, and the second direction mentioned in the present application is perpendicular to the first direction, wherein the second direction is the depth direction of the car body.

[0056] It should be noted that in some elevator car application scenarios with a larger width and a shallower depth, due to the limitation of the elevator shaft size, such as for shallow shaft elevators, the elevator traction system of the existing structure cannot be installed, making it difficult to meet the use requirements of the elevator with a shallow depth.

[0057] Based on this, the present application proposes an elevator traction system 100, which realizes the change of the winding direction of the traction rope 6 by coordinating the relative positions of the vertical counterweight wheel 41, the inclined counterweight return rope wheel 21 and the parallel counterweight wheel 42. The setting of the vertical counterweight wheel 41 and the inclined counterweight return rope wheel 21 can reduce the arrangement size of the counterweight wheel assembly 4 and the counterweight return rope wheel assembly 2 in the second direction Y, which is beneficial to reduce the space occupied by the elevator traction system 100 in the second direction Y, and meets the use requirements of the elevator with a shallow depth.

[0058] The elevator traction system 100 and the elevator according to the embodiment of the present utility model are described below with reference to the accompanying drawings.

[0059] like Figure 1-Figure 7 As shown, the elevator traction system 100 according to the first embodiment of the utility model includes: a support frame 1, a counterweight counter rope pulley assembly 2, a counterweight body 3, a counterweight wheel assembly 4, a traction machine 5 and a traction rope 6.

[0060] Specifically, Figure 1As shown, the counterweight anti-ropes pulley assembly 2 and the traction machine 5 are both arranged on the support frame 1, and the counterweight wheel assembly 4 and the counterweight anti-ropes pulley assembly 2 are arranged at intervals along the first direction X to reserve space for the winding of the traction rope 6. Further, the counterweight wheel assembly 4 includes a vertical counterweight wheel 41 and a plurality of parallel counterweight wheels 42, and the vertical counterweight wheel 41 and the plurality of parallel counterweight wheels 42 are both arranged at intervals on the counterweight body 3 along the second direction Y, and the plurality of parallel counterweight wheels 42 are symmetrically arranged on both sides of the vertical counterweight wheel 41, that is, the number of the parallel counterweight wheels 42 is an even number, and they are symmetrically arranged in pairs on the vertical counterweight wheel 41 along the second direction Y. On both sides of the counterweight wheel 41, for example, the number of parallel counterweight wheels 42 can be 2, 4, 6, or 8, which is set according to actual needs and is not specifically limited here. When the number of parallel counterweight wheels 42 is 2, two parallel counterweight wheels 42 are symmetrically arranged on both sides of the vertically symmetrical wheel along the second direction Y. When the number of parallel counterweight wheels 42 is 4, four parallel counterweight wheels 42 are symmetrically arranged on both sides of the vertically symmetrical wheel along the second direction Y, that is, two parallel counterweights are arranged on each side of the vertically symmetrical wheel. For the case where the number of parallel counterweight wheels 42 is greater, they will not be described one by one here. It should be noted that the multiple parallel counterweight wheels 42 are located in the same vertical plane.

[0061] Furthermore, if Figure 1 As shown, the width of the counterweight body 3 extends along the second direction Y, wherein the axial direction of the vertical counterweight wheel 41 is parallel to the second direction Y, and the axial directions of the plurality of parallel counterweight wheels 42 are all parallel to the third direction Z, that is, the vertical counterweight wheel 41 is vertically arranged relative to the counterweight body 3, and the parallel counterweight wheels 42 are parallelly arranged relative to the counterweight body 3. Assuming that the first direction X is the gravity direction, the second direction Y is perpendicular to the first direction X, the second direction Y is the depth direction of the car body, the third direction Z is perpendicular to both the first direction X and the second direction Y, and the third direction Z is the width direction of the car body, in this way, the vertical counterweight wheel 41 and the plurality of parallel counterweight wheels 42 are arranged in sequence in the depth direction of the car body, and the vertical counterweight wheel 41 occupies less space in the second direction Y than the parallel counterweight wheels 42, thereby reducing the arrangement size of the counterweight wheel assembly 4 in the second direction Y, which is beneficial to reducing the width of the counterweight body 3 in the second direction Y, and can enable the counterweight body 3 to be arranged on a car with a shallow depth to meet the use requirements of an elevator with a shallow depth.

[0062] Further, the counterweight back rope pulley assembly 2 includes two inclined counterweight back rope pulleys 21, and the two inclined counterweight back rope pulleys 21 are arranged at intervals on both sides of the vertical counterweight wheel 41 along the second direction Y. The axial directions of the two inclined counterweight back rope pulleys 21 have an angle with the second direction Y. It can be understood that the angle is adjustable according to the position of the vertical counterweight wheel 41 and the corresponding parallel counterweight wheel 42. For example, the size of the angle can be set to 30°, 45°, 60°, etc., so that one end of each inclined counterweight back rope pulley 21 coincides with the center of the corresponding end of the vertical counterweight wheel 41 along the first direction X, and the other end coincides with the center of the end of the corresponding parallel counterweight wheel 42 adjacent to the vertical counterweight wheel 41 close to the vertical counterweight wheel 41 along the first direction X. That is to say, Figure 1 and Figure 4 As shown, when two parallel counterweight wheels 42 are symmetrically arranged on both sides close to the vertical counterweight wheel 41, the two inclined counterweight anti-rope wheels 21 are arranged at intervals on the left and right sides of the vertical counterweight wheel 41 along the second direction Y. Optionally, the two inclined counterweight anti-rope wheels 21 are respectively arranged between the parallel counterweight wheels 42 and the vertical counterweight wheel 41 on the corresponding side. Further, the vertical counterweight wheel 41 has a first end and a second end relative to each other along the third direction Z, and the two parallel counterweight wheels 42 on both sides of the vertical counterweight wheel 41 respectively have an end close to the vertical counterweight wheel 41 along the second direction Y. The axial directions of the two inclined counterweight anti-rope wheels 21 are arranged to have an angle with the second direction Y, so that one end of the left inclined counterweight anti-rope wheel 21 coincides with the center of the first end of the vertical counterweight wheel 41, and the left inclined counterweight anti-rope wheel 21 is aligned with the left side of the vertical counterweight wheel 41. The other end of the wheel 21 coincides with the center of one end of the parallel counterweight wheel 42 adjacent to the vertical counterweight wheel 41 on the left, and the center of the second end of the vertical counterweight wheel 41 coincides with one end of the inclined counterweight counter-rope wheel 21 on the right, and the center of the other end of the inclined counterweight counter-rope wheel 21 on the right coincides with the center of one end of the parallel counterweight wheel 42 adjacent to the vertical counterweight wheel 41 on the right, which is close to the vertical counterweight wheel 41. Such an arrangement can provide a better winding relationship for the winding of the traction rope 6 and avoid the deviation and falling off of the traction rope 6 during the winding process. At the same time, the inclined counterweight counter-rope wheel 21 has an angle with the second direction Y, which can reduce the space occupied by the counterweight counter-rope wheel assembly 2 in the second direction Y, which is beneficial to further reduce the space occupied by the elevator traction system 100 in the second direction Y.

[0063] Further, one end of the traction rope 6 is fixedly connected to the support frame 1, and the other end is led out after passing through the vertical counterweight wheel 41, the parallel counterweight wheel 42 and the inclined counterweight return rope wheel 21 to be connected to the traction machine 5. For example, assuming that one end of the traction rope 6 is fixedly connected to the support frame 1, and the other end is led downward to the left parallel counterweight wheel 42, then led upward to the left inclined counterweight return rope wheel 21 after passing through the left parallel counterweight wheel 42, then led downward from the left inclined counterweight return rope wheel 21 to the vertical counterweight wheel 41, then led upward from the vertical counterweight wheel 41 to the right inclined counterweight return rope wheel 21, then led downward from the right inclined counterweight return rope wheel 21 to the right parallel counterweight wheel 42, and finally led upward from the right parallel counterweight wheel 42 to the traction machine 5, thereby realizing the change of the winding direction of the traction rope 6.

[0064] According to the elevator traction system 100 of the embodiment of the utility model, the change of the winding direction of the traction rope 6 is achieved by the coordinated arrangement of the vertical counterweight wheel 41, the inclined counterweight return rope wheel 21 and the parallel counterweight wheel 42. The arrangement of the vertical counterweight wheel 41 and the inclined counterweight return rope wheel 21 can reduce the arrangement size of the counterweight wheel assembly 4 and the counterweight return rope wheel assembly 2 in the second direction Y, which is beneficial to reduce the space occupied by the elevator traction system 100 in the second direction Y and meet the use requirements of the elevator with a shallow depth.

[0065] In some embodiments of the present invention, Figure 1-Figure 3 As shown, the counterweight body 3 has a symmetry center line parallel to the first direction X, and the vertical counterweight wheel 41 is symmetrically arranged on the counterweight body 3 relative to the symmetry center line.

[0066] Specifically, the counterweight body 3 is constructed as a central symmetrical structure, wherein the counterweight body 3 has a symmetry center line parallel to the first direction X. Further, as Figure 1-Figure 3 As shown, the vertical counterweight wheel 41 is symmetrically arranged on the counterweight body 3 relative to the symmetry center line, that is, the vertical counterweight wheel 41 is arranged on the counterweight body 3, and the symmetry plane of the vertical counterweight wheel 41 perpendicular to the second direction Y coincides with the symmetry center line of the counterweight body 3.

[0067] Further, assuming that the counterweight wheel assembly 4 also includes two parallel counterweight wheels 42, and the two parallel counterweight wheels 42 are symmetrically arranged relative to the vertical counterweight wheel 41, then the two parallel counterweight wheels 42 are symmetrically arranged on the counterweight body 3 relative to the center line of symmetry. Assuming that the counterweight wheel assembly 4 also includes four parallel counterweight wheels 42, and the four parallel counterweight wheels 42 are symmetrically arranged relative to the vertical counterweight wheel 41, then the four parallel counterweight wheels 42 are symmetrically arranged on the counterweight body 3 relative to the center line of symmetry. For the case where the counterweight wheel assembly 4 includes more parallel counterweight wheels 42, this application will no longer give examples one by one.

[0068] Therefore, the counterweight body 3 is constructed as a symmetrical structure, and the vertical counterweight wheel 41 is symmetrically arranged on the counterweight body 3 relative to the symmetry center line, which can ensure the overall symmetrical design of the counterweight body 3 and the counterweight wheel assembly 4, and is conducive to avoiding gravity deviation during the overall lifting and lowering of the counterweight body 3 and the counterweight wheel assembly 4.

[0069] In some embodiments of the present invention, Figure 1-Figure 7 As shown, the counterweight back rope pulley assembly 2 also includes a plurality of parallel counterweight back rope pulleys 22. Along the second direction Y, the plurality of parallel counterweight back rope pulleys 22 are arranged on both sides of the two inclined counterweight back rope pulleys 21, and the axial directions of the plurality of parallel counterweight back rope pulleys 22 are parallel to the third direction Z.

[0070] Specifically, Figure 1-Figure 4 As shown, a plurality of parallel counterweight back rope pulleys 22 are arranged on the left and right sides of the two middle inclined counterweight back rope pulleys 21 along the second direction Y, and the number of the parallel counterweight back rope pulleys 22 is set according to the number of parallel counterweight wheels 42. The parallel counterweight back rope pulleys 22 are used to change the direction of the traction rope 6. For example, when the number of parallel counterweight wheels 42 is 4, a parallel counterweight back rope pulley 22 is respectively arranged on the left and right sides of the two inclined counterweight back rope pulleys 21. When the number of parallel counterweight wheels 42 is 6, two parallel counterweight back rope pulleys 22 are respectively arranged on the left and right sides of the two inclined counterweight back rope pulleys 21, and the axes of the plurality of parallel counterweight back rope pulleys 22 are parallel to the third direction Z. It can be understood that the plurality of parallel counterweight back rope pulleys 22 and the plurality of parallel counterweight wheels 42 are in the same plane. In this way, by correspondingly arranging a plurality of parallel counterweight back rope pulleys 22, the traction ratio required by the elevator traction system 100 can be changed to meet the lifting and lowering of heavy-weight elevators.

[0071] In some embodiments of the present invention, Figure 3-Figure 5 As shown, the counterweight wheel assembly 4 includes a first parallel counterweight wheel 43, a second parallel counterweight wheel 44 and a vertical counterweight wheel 41. The vertical counterweight wheel 41 is symmetrically arranged on the counterweight body 3 relative to the central symmetry line of the counterweight body 3. The first parallel counterweight wheels 43 and the second parallel counterweight wheels 44 are symmetrically arranged on both sides of the vertical counterweight wheel 41. The counterweight back rope wheel assembly 2 includes a first inclined counterweight back rope wheel 23 and a second inclined counterweight back rope wheel 24. The axial direction of the first inclined counterweight back rope wheel 23 and the axial direction of the second inclined counterweight back rope wheel 24 have an angle with the second direction Y, and the first inclined counterweight back rope wheel 23 and the second inclined counterweight back rope wheel 24 are arranged in parallel.

[0072] Specifically, the first inclined counterweight back rope pulley 23 is arranged on the support frame 1, and the first inclined counterweight back rope pulley 23 is arranged between the first parallel counterweight wheel 43 and the vertical counterweight wheel 41 along the second direction Y, so that one end of the first inclined counterweight back rope pulley 23 coincides with the center of the first end of the vertical counterweight wheel 41 along the first direction X, and the other end coincides with the center of one end of the first parallel counterweight wheel 43 close to the vertical counterweight wheel 41 along the first direction X. It can be understood that the end of the first parallel counterweight wheel 43 close to the vertical counterweight wheel 41 is the rightmost end of the first parallel counterweight wheel 43 in the second direction Y close to the vertical counterweight wheel 41.

[0073] Furthermore, the second inclined counterweight counter-roped pulley 24 is arranged on the support frame 1, and the second inclined counterweight counter-roped pulley 24 is arranged between the second parallel counterweight wheel 44 and the vertical counterweight wheel 41 along the second direction Y, so that one end of the second inclined counterweight counter-roped pulley 24 coincides with the center of the second end of the vertical counterweight wheel 41 along the first direction X, and the other end coincides with the center of one end of the second parallel counterweight wheel 44 close to the vertical counterweight wheel 41 along the first direction X. It can be understood that the second end of the vertical counterweight wheel 41 is opposite to the first end of the vertical counterweight wheel 41 along the third direction Z, and the distance between the first end and the second end is the diameter of the vertical counterweight wheel 41. The end of the second parallel counterweight wheel 44 close to the vertical counterweight wheel 41 is the leftmost end of the second parallel counterweight wheel 44 close to the vertical counterweight wheel 41 in the second direction Y.

[0074] The rope winding principle of the traction rope 6 is as follows: the traction rope 6 is led out after passing through the first parallel counterweight wheel 43, the first inclined counterweight return rope wheel 23, the vertical counterweight wheel 41, the second inclined counterweight return rope wheel 24, and the second parallel counterweight wheel 44 in sequence to be connected to the traction machine 5. Specifically, one end of the traction rope 6 is fixedly connected to the support, and the other end is led downward to the first parallel counterweight wheel 43, and then led upward to the first inclined counterweight return rope wheel 23 after passing through the first parallel counterweight wheel 43, and then led downward from the first inclined counterweight return rope wheel 23 to the vertical counterweight wheel 41, and then led upward from the vertical counterweight wheel 41 to the second inclined counterweight return rope wheel 24, and then led downward from the second inclined counterweight return rope wheel 24 to the second parallel counterweight wheel 44, and finally led upward from the second parallel counterweight wheel 44 to the traction machine 5, thereby realizing the change of the winding direction of the traction rope 6 and improving the traction ratio.

[0075] It should be noted that the traction machine 5 has a traction wheel. Since the second parallel counterweight wheel 44 and the traction wheel are not in a vertical plane, the traction rope 6 passing through the counterweight wheel assembly 4 may slip and fall off. Therefore, a guide wheel 10 is also provided in the elevator traction system 100. The circumference of the guide wheel 10 and the traction wheel are both perpendicular to the second direction Y, and along the third direction Z, the guide wheel 10 is arranged between the second parallel counterweight wheel 44 and the traction wheel, so that the side of the guide wheel 10 close to the second counterweight wheel is roughly in a vertical plane with the second counterweight wheel. With this arrangement, the traction rope 6 extends from the second parallel counterweight wheel 44 to the guide wheel 10 roughly in a vertical plane, and extends to the traction machine 5 through the guide wheel 10, which can reduce the possibility of the traction rope 6 slipping and falling off after passing through the counterweight wheel assembly 4.

[0076] In some embodiments of the present invention, Figure 3-Figure 5 As shown, the counterweight wheel assembly 4 also includes a third parallel counterweight wheel 45 and a fourth parallel counterweight wheel 46. The third parallel counterweight wheel 45 is arranged on the side of the first parallel counterweight wheel 43 away from the vertical counterweight wheel 41 along the second direction Y, and the fourth parallel counterweight wheel 46 is arranged on the side of the second parallel counterweight wheel 44 away from the vertical counterweight wheel 41 along the second direction Y. The counterweight back rope wheel assembly 2 also includes a first parallel counterweight back rope wheel 25 and a second parallel counterweight back rope wheel 26. The first parallel counterweight back rope wheel 25 is arranged on the side close to the third parallel counterweight wheel 45 along the second direction Y, and the second parallel counterweight back rope wheel 26 is arranged on the side close to the fourth parallel counterweight wheel 46 along the second direction Y. The traction rope 6 is used to be introduced into the first parallel counterweight wheel 43 after passing through the third parallel counterweight wheel 45, the fourth parallel counterweight wheel 46, the second parallel counterweight back rope wheel 26 and the first parallel counterweight back rope wheel 25.

[0077] Specifically, Figure 3 As shown, when the counterweight wheel assembly 4 is provided with a third parallel counterweight wheel 45 and a fourth parallel counterweight wheel 46, the counterweight anti-ropes wheel assembly 2 is correspondingly provided with a first parallel counterweight anti-ropes wheel 25 and a second parallel counterweight anti-ropes wheel 26, wherein, as Figure 4 As shown, the third parallel counterweight wheel 45 is arranged on the left side of the first parallel counterweight wheel 43 along the second direction Y, the fourth parallel counterweight wheel 46 is arranged on the right side of the second parallel counterweight wheel 44 along the second direction Y, the first parallel counterweight back rope wheel 25 is arranged on the left side of the first inclined counterweight back rope wheel 23 along the second direction Y, and the second parallel counterweight back rope wheel 26 is arranged on the right side of the second inclined counterweight back rope wheel 24 along the second direction Y. Optionally, the first parallel counterweight wheel 43, the second parallel counterweight wheel 44, the third parallel counterweight wheel 45, the fourth parallel counterweight wheel 46, the first parallel counterweight back rope wheel 25 and the second parallel counterweight back rope wheel 26 are located in the same vertical plane.

[0078] The winding principle of the traction rope 6 is as follows: Figure 4 and Figure 5As shown, one end of the traction rope 6 is fixedly connected to the support member, and the other end is led out through the third parallel counterweight wheel 45, the fourth parallel counterweight wheel 46, the second parallel counterweight return rope wheel 26, the first parallel counterweight return rope wheel 25, the first parallel counterweight wheel 43, the first inclined counterweight return rope wheel 23, the vertical counterweight wheel 41, the second inclined counterweight return rope wheel 24, and the second parallel counterweight wheel 44 in sequence to be connected to the traction machine 5.

[0079] Therefore, the direction of the traction rope 6 can be changed by the first parallel counterweight back rope pulley 25, the second parallel counterweight back rope pulley 26, the first inclined counterweight back rope pulley 23, and the second inclined counterweight back rope pulley 24, and the traction ratio can be improved by the coordinated use of the first parallel counterweight back rope pulley 25, the second parallel counterweight back rope pulley 26 and the third parallel counterweight wheel 45 and the fourth parallel counterweight wheel 46.

[0080] In some embodiments of the present invention, Figure 3-Figure 5 As shown, along the first direction X, the third parallel counterweight wheel 45, the fourth parallel counterweight wheel 46 and the first parallel counterweight wheel 43, the second parallel counterweight wheel 44 have a height difference. Figure 4 As shown, along the first direction X, the third parallel counterweight wheel 45, the fourth parallel counterweight wheel 46 and the first parallel counterweight wheel 43, the second parallel counterweight wheel 44 are not at the same height. Further, as a specific example, Figure 4 As shown, the first parallel counterweight wheel 43 and the second parallel counterweight wheel 44 are at the same height. Along the first direction X, the third parallel counterweight wheel 45 and the fourth parallel counterweight wheel 46 are lower than the first parallel counterweight wheel 43 and the second parallel counterweight wheel 44, and the third parallel counterweight wheel 45 and the fourth parallel counterweight wheel 46 are arranged at the same height. Such arrangement can avoid interference during the winding process of the traction rope 6. Furthermore, the projection of the third parallel counterweight wheel 45 in the first direction X can partially overlap with the projection of the first parallel counterweight wheel 43 in the first direction X, and the projection of the fourth parallel counterweight wheel 46 in the first direction X can partially overlap with the projection of the second parallel counterweight wheel 44 in the first direction X. Such an arrangement is conducive to reducing the size of the counterweight wheel assembly 4 in the second direction Y, thereby reducing space occupancy.

[0081] In some embodiments of the present invention, Figure 3-Figure 5 As shown, along the first direction X, the first parallel counterweight return rope pulley 25, the second parallel counterweight return rope pulley 26 and the first inclined counterweight return rope pulley 23, the second inclined counterweight return rope pulley 24 have a height difference. Figure 4 As shown, along the first direction X, the first parallel counterweight return rope pulley 25, the second parallel counterweight return rope pulley 26 and the first inclined counterweight return rope pulley 23, the second inclined counterweight return rope pulley 24 are not at the same height. Further, as a specific example, Figure 4As shown, the first inclined counterweight back rope pulley 23 and the second inclined counterweight back rope pulley 24 are at the same height, and along the first direction X, the first parallel counterweight back rope pulley 25 and the second parallel counterweight back rope pulley 26 are both higher than the first inclined counterweight back rope pulley 23 and the second inclined counterweight back rope pulley 24, and the first parallel counterweight back rope pulley 25 and the second parallel counterweight back rope pulley 26 are arranged at the same height. Such an arrangement can avoid interference during the winding process of the traction rope 6.

[0082] In some embodiments of the present invention, Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, it also includes: a car top wheel assembly 7 and a car top anti-rope wheel assembly 8.

[0083] Specifically, the car top wheel assembly 7 is arranged on the car frame 9 of the elevator, and the car top wheel assembly 7 includes a first car top wheel group 71 and a second car top wheel group 72 arranged at intervals along the second direction Y. Specifically, the car frame 9 includes a front car frame 9 and a rear car frame 9 separated by intervals along the second direction Y. The first car top wheel group 71 and the second car top wheel group 72 are respectively arranged on the front car frame 9 and the rear car frame 9. Further, the first car top wheel group 71 and the second car top wheel group 72 each include a plurality of car top wheels arranged at intervals along the third direction Z, wherein the axial direction of the car top wheel is parallel to the second direction Y.

[0084] Further, the car top anti-rope pulley assembly 8 is arranged on the support frame 1, and the car top anti-rope pulley assembly 8 is spaced apart from the car top wheel assembly 7 along the first direction X. The car top anti-rope pulley assembly 8 includes a first car top anti-rope pulley group 81 and a second car top anti-rope pulley group 82 arranged at intervals along the second direction Y, wherein the first car top anti-rope pulley group 81 corresponds to the first car top wheel group 71, and the second car top anti-rope pulley group 82 corresponds to the second car top wheel group 72. The first car top anti-rope pulley group 81 includes a first transverse car top anti-rope pulley 811, and the second car top anti-rope pulley group 82 includes a second transverse car top anti-rope pulley 821. The axial direction of the first transverse car top anti-rope pulley 811 and the axial direction of the second transverse car top anti-rope pulley 821 are both parallel to the third direction Z. It can be understood that the first car top anti-rope pulley group 81 and the second car top anti-rope pulley group 82 include multiple car top anti-rope pulleys spaced apart along the third direction Z, wherein the axial direction of the car top anti-rope pulley is parallel to the second direction Y.

[0085] In this way, after the traction rope 6 is led out from the traction machine 5 and passes through the first car top wheel group 71, it can be extended to the second car top wheel group 72 through the first transverse car top return rope pulley 811 and the second transverse car top return rope pulley 821 in sequence, and connected to the support frame 1 from the second car top wheel group 72. Specifically, the traction rope 6 is successively led around the car top wheel in the first car top wheel group 71 and the car top return rope pulley in the first car top return rope pulley group 81, and then led around the car top wheel in the second car top wheel group 72 and the car top return rope pulley in the second car top return rope pulley group 82 through the first transverse car top return rope pulley 811 and the second transverse car top return rope pulley 821, and finally connected to the support frame 1, so that the elevator can be lifted and lowered by two groups of car top wheel groups, which is beneficial to improving the stability during the lifting process.

[0086] In some embodiments of the present invention, Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the first car top wheel group 71 includes a first car top wheel 711, a second car top wheel 712, a third car top wheel 713, and a fourth car top wheel 714 arranged at intervals along the third direction Z, and the axes of the first car top wheel 711, the second car top wheel 712, the third car top wheel 713, and the fourth car top wheel 714 are all parallel to the second direction Y. The second car top wheel group 72 includes a fifth car top wheel 721, a sixth car top wheel 722, a seventh car top wheel 723, and an eighth car top wheel 724 arranged at intervals along the third direction Z, and the axes of the fifth car top wheel 721, the sixth car top wheel 722, the seventh car top wheel 723, and the eighth car top wheel 724 are all parallel to the second direction Y. The first car top return rope wheel group 81 also includes a first car top return rope wheel 812 and a second car top return rope wheel 813 arranged at intervals along the third direction Z, and the axes of the first car top return rope wheel 812 and the second car top return rope wheel 813 are all parallel to the second direction Y, and The first car top wheel 711, the second car top wheel 712, the third car top wheel 713, the fourth car top wheel 714, the first car top return rope pulley 812, and the second car top return rope pulley 813 are in the same vertical plane, the first transverse car top return rope pulley 811 is located on the side of the second car top return rope pulley 813 away from the first car top return rope pulley 812, and the second car top return rope pulley group 82 also includes a third car top return rope pulley 822, a fourth car top return rope pulley 824 and a fourth car top return rope pulley 825 arranged at intervals along the third direction Z. The axes of the rope pulley 823, the third car top return rope pulley 822 and the fourth car top return rope pulley 823 are all parallel to the second direction Y, and the fifth car top wheel 721, the sixth car top wheel 722, the seventh car top wheel 723, the eighth car top wheel 724, the third car top return rope pulley 822 and the fourth car top return rope pulley 823 are in the same vertical plane, and the second transverse car top return rope pulley 821 is located on the side of the third car top return rope pulley 822 away from the fourth car top return rope pulley 823.

[0087] like Figure 7As shown, the rope winding principle of the traction rope 6 is as follows: after the traction rope 6 is led out from the traction machine 5, it passes through the eighth car top wheel 724, the seventh car top wheel 723, the fourth car top return rope wheel 823, the third car top return rope wheel 822, the sixth car top wheel 722, the fifth car top wheel 721, the second transverse car top return rope wheel 821, the first transverse car top return rope wheel 811, the fourth car top wheel 714, the third car top wheel 713, the second car top return rope wheel 813, the first car top return rope wheel 812, the second car top wheel 712, and the first car top wheel 711, and then is connected to the support frame 1. In this way, the lifting and lowering of the elevator is realized by two groups of car top wheel groups, which is conducive to improving the stability during the lifting process.

[0088] The elevator according to the second aspect of the present invention comprises the elevator traction system 100 in the first aspect of the present invention.

[0089] According to the elevator of the embodiment of the utility model, by setting the above-mentioned elevator traction system 100, the change of the winding direction of the traction rope 6 is achieved through the coordinated setting of the relative positions of the vertical counterweight wheel 41, the inclined counterweight return rope wheel 21 and the parallel counterweight wheel 42, and the setting of the vertical counterweight wheel 41 and the inclined counterweight return rope wheel 21 can reduce the arrangement size of the counterweight wheel assembly 4 and the counterweight return rope wheel assembly 2 in the second direction Y, which is beneficial to reduce the space occupied by the elevator traction system 100 in the second direction Y, and meets the use requirement of the elevator with a shallow depth.

[0090] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0091] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0092] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0093] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An elevator traction system (100), characterized in that: include: Support frame (1), counterweight anti-ropes assembly (2), counterweight body (3), counterweight wheel assembly (4), traction machine (5) and traction rope (6), The counterweight anti-ropes assembly (2) and the traction machine (5) are both arranged on the support frame (1), and the counterweight wheel assembly (4) and the counterweight anti-ropes assembly (2) are arranged at intervals along a first direction; The counterweight wheel assembly (4) comprises a vertical counterweight wheel (41) and a plurality of parallel counterweight wheels (42), wherein the vertical counterweight wheel (41) and the plurality of parallel counterweight wheels (42) are arranged on the counterweight body (3) at intervals along the second direction, and the plurality of parallel counterweight wheels (42) are symmetrically arranged on both sides of the vertical counterweight wheel (41), the axial direction of the vertical counterweight wheel (41) is parallel to the second direction, and the axial directions of the plurality of parallel counterweight wheels (42) are parallel to the third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other; The counterweight return rope pulley assembly (2) comprises two inclined counterweight return rope pulleys (21), the two inclined counterweight return rope pulleys (21) are arranged at intervals on both sides of the vertical counterweight wheel (41) along the second direction, and the axial directions of the two inclined counterweight return rope pulleys (21) have an angle with the second direction, so that one end of each inclined counterweight return rope pulley (21) coincides with the center of a corresponding end of the vertical counterweight wheel (41) along the first direction, and the other end coincides with the center of an end of a corresponding parallel counterweight wheel (42) adjacent to the vertical counterweight wheel (41) close to the vertical counterweight wheel (41) along the first direction; One end of the traction rope (6) is fixedly connected to the support frame (1), and the other end is led out after passing through the vertical counterweight wheel (41), the parallel counterweight wheel (42) and the inclined counterweight anti-rope wheel (21) to be connected to the traction machine (5).

2. The elevator traction system (100) according to claim 1, characterized in that: The counterweight body (3) has a symmetry center line parallel to the first direction, and the vertical counterweight wheel (41) is symmetrically arranged on the counterweight body (3) relative to the symmetry center line.

3. The elevator traction system (100) according to claim 2, characterized in that: The counterweight back-ropes assembly (2) further comprises a plurality of parallel counterweight back-ropes (22). Along the second direction, the plurality of parallel counterweight back-ropes (22) are arranged on both sides of the two inclined counterweight back-ropes (21), and the axial directions of the plurality of parallel counterweight back-ropes (22) are parallel to the third direction.

4. The elevator traction system (100) according to claim 3, characterized in that: The counterweight wheel assembly (4) comprises a first parallel counterweight wheel (43), a second parallel counterweight wheel (44) and the vertical counterweight wheel (41); the counterweight return rope wheel assembly (2) comprises a first inclined counterweight return rope wheel (23) and a second inclined counterweight return rope wheel (24); the first inclined counterweight return rope wheel (23) is arranged between the first parallel counterweight wheel (43) and the vertical counterweight wheel (41) along the second direction; one end of the first inclined counterweight return rope wheel (23) coincides with the center of the first end of the vertical counterweight wheel (41) along the first direction, and the other end coincides with the center of one end of the first parallel counterweight wheel (43) close to the vertical counterweight wheel (41) along the first direction; The second inclined counterweight anti-ropes pulley (24) is arranged between the second parallel counterweight pulley (44) and the vertical counterweight pulley (41) along the second direction, one end of the second inclined counterweight anti-ropes pulley (24) coincides with the center of the second end of the vertical counterweight pulley (41) along the first direction, and the other end coincides with the center of one end of the second parallel counterweight pulley (44) close to the vertical counterweight pulley (41) along the first direction; The traction rope (6) is led out through the first parallel counterweight wheel (43), the first inclined counterweight return rope wheel (23), the vertical counterweight wheel (41), the second inclined counterweight return rope wheel (24), and the second parallel counterweight wheel (44) in sequence to be connected to the traction machine (5).

5. The elevator traction system (100) according to claim 4, characterized in that: The counterweight wheel assembly (4) further comprises a third parallel counterweight wheel (45) and a fourth parallel counterweight wheel (46), wherein the third parallel counterweight wheel (45) is arranged along the second direction on a side of the first parallel counterweight wheel (43) away from the vertical counterweight wheel (41), and the fourth parallel counterweight wheel (46) is arranged along the second direction on a side of the second parallel counterweight wheel (44) away from the vertical counterweight wheel (41); The counterweight return rope pulley assembly (2) further comprises a first parallel counterweight return rope pulley (25) and a second parallel counterweight return rope pulley (26), wherein the first parallel counterweight return rope pulley (25) is arranged on the side close to the third parallel counterweight wheel (45) along the second direction, and the second parallel counterweight return rope pulley (26) is arranged on the side close to the fourth parallel counterweight wheel (46) along the second direction; The traction rope (6) is used to be introduced into the first parallel counterweight wheel (43) after passing through the third parallel counterweight wheel (45), the fourth parallel counterweight wheel (46), the second parallel counterweight return rope wheel (26), and the first parallel counterweight return rope wheel (25).

6. The elevator traction system (100) according to claim 5, characterized in that: Along the first direction, the third parallel counterweight wheel (45), the fourth parallel counterweight wheel (46) have a height difference with the first parallel counterweight wheel (43), and the second parallel counterweight wheel (44).

7. The elevator traction system (100) according to claim 5, characterized in that: Along the first direction, the first parallel counterweight return rope pulley (25), the second parallel counterweight return rope pulley (26) and the first inclined counterweight return rope pulley (23), the second inclined counterweight return rope pulley (24) have a height difference.

8. The elevator traction system (100) according to any one of claims 1 to 7, characterized in that: Also includes: A car top wheel assembly (7), the car top wheel assembly (7) being arranged on a car frame (9) of the elevator, the car top wheel assembly (7) comprising a first car top wheel (711) group (71) and a second car top wheel group (72) arranged at intervals along the second direction; A car top return rope pulley assembly (8), the car top return rope pulley assembly (8) being arranged on the support frame (1), the car top return rope pulley assembly (8) comprising a first car top return rope pulley group (81) and a second car top return rope pulley group (82) being arranged at intervals along the second direction, the first car top return rope pulley group (81) comprising a first transverse car top return rope pulley (811), the second car top return rope pulley group (82) comprising a second transverse car top return rope pulley (821), the axial direction of the first transverse car top return rope pulley (811) and the axial direction of the second transverse car top return rope pulley (821) being both parallel to the third direction; The traction rope (6) is led out from the traction machine (5) and passes through the first car top wheel (711) group (71), and then extends to the second car top wheel group (72) through the first transverse car top return rope pulley (811) and the second transverse car top return rope pulley (821) in sequence, and is connected to the support frame (1) from the second car top wheel group (72).

9. The elevator traction system (100) according to claim 8, characterized in that: The first car top wheel (711) group (71) comprises a first car top wheel (711), a second car top wheel (712), a third car top wheel (713), and a fourth car top wheel (714) arranged at intervals along the third direction, and the axial directions of the first car top wheel (711), the second car top wheel (712), the third car top wheel (713), and the fourth car top wheel (714) are all parallel to the second direction; The second car top wheel group (72) comprises a fifth car top wheel (721), a sixth car top wheel (722), a seventh car top wheel (723), and an eighth car top wheel (724) which are arranged at intervals along the third direction, and the axial directions of the fifth car top wheel (721), the sixth car top wheel (722), the seventh car top wheel (723), and the eighth car top wheel (724) are all parallel to the second direction; The first car top return rope pulley group (81) also includes a first car top return rope pulley (812) and a second car top return rope pulley (813) arranged at intervals along the third direction, the axial directions of the first car top return rope pulley (812) and the second car top return rope pulley (813) are both parallel to the second direction, and the first transverse car top return rope pulley (811) is located on a side of the second car top return rope pulley (813) away from the first car top return rope pulley (812); The second car top return rope pulley group (82) also includes a third car top return rope pulley (822) and a fourth car top return rope pulley (823) arranged at intervals along the third direction, the axes of the third car top return rope pulley (822) and the fourth car top return rope pulley (823) are parallel to the second direction, and the second transverse car top return rope pulley (821) is located on the side of the third car top return rope pulley (822) away from the fourth car top return rope pulley (823).

10. An elevator, characterized in that: The invention comprises an elevator traction system (100) according to any one of claims 1 to 9.

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