CN212450190U - Traction elevator structure - Google Patents

Abstract

The utility model discloses a traction elevator structure, including the hauler, the car system, counterweight system and the driving rope that set up in the elevator well, the hauler includes the driving sheave, and the car system includes car frame, two car operation guided way and car assembly pulley, and the counterweight system includes counterweight frame body, two counterweight operation guided ways and counterweight assembly pulley, and hauler and counterweight system all set up the rear side of car system, and both set up the inboard in elevator well width direction; the acute angle range of the included angle of two lines formed by the projection of the axial center extension line of the traction wheel and the center connecting lines of the two car running guide rails on the same horizontal plane is 45-90 degrees; the traction elevator structure further comprises a first guide row wheel assembly and a second guide row wheel assembly. The utility model provides a tow elevator structure, well high-usage, to the position of the little, the car assembly pulley of top layer demand size and car frame design as required in a flexible way, strong adaptability.

Description

Traction elevator structure

Technical Field

The utility model relates to an elevator technical field especially relates to a traction elevator structure.

Background

The home elevator is required to be installed in a private house, and due to the limitation of a shaft of the private house, the shaft is basically relatively narrow, and the space of a top floor is short. The home elevator mainstream of no computer lab of ordinary design all adopts planer-type structure to heavy side, and this has just led to the car space that designs out too narrow and small, and the passenger takes uncomfortable oppression sense than stronger, and car decoration receives the car shape restriction, can not adorn the design effect of pleasing to the eye atmospheric car. Still adopt rearmounted knapsack frame structure to above-mentioned well with some companies, though optimized the overall arrangement of car to a certain extent, the whole operation comfort of knapsack frame structure is poor, and the host computer arranges that the requirement is higher to the well top layer above the top layer is to heavy. For the above situation, some practitioners choose to develop and design a counterweight rear portal frame structure, but the problem that a main machine is arranged above a car or a counterweight is not fundamentally changed, so that the required hoistway top floor space is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a can save well space's traction elevator structure, technical scheme is as follows:

the utility model provides a traction elevator structure, which comprises a traction machine, a car system, a counterweight system and a transmission rope, wherein the traction machine, the car system, the counterweight system and the transmission rope are arranged in an elevator shaft; the car system comprises a car frame, two car running guide rails arranged oppositely and a car pulley block connected with the car frame, wherein the car frame can move along the length direction of the car running guide rails; the counterweight system comprises a counterweight frame body, two counterweight running guide rails arranged oppositely and a counterweight pulley block connected with the counterweight frame body, the counterweight frame body can move along the length direction of the counterweight running guide rails, the traction machine and the counterweight system are both arranged on the rear side of the car system, and both the traction machine and the counterweight system are arranged on the inner side of the elevator hoistway in the width direction; the acute angle range of the included angle of two lines formed by the projection of the axial center extension line of the traction wheel and the center connecting lines of the two car running guide rails on the same horizontal plane is 45-90 degrees;

the traction elevator structure further comprises a first guide row wheel assembly arranged between the car system and the traction machine and a second guide row wheel assembly arranged between the traction machine and the counterweight system, one end of the transmission rope extends out of a first rope outlet end of the traction wheel and is connected with the car pulley block through the first guide row wheel assembly, and the other end of the transmission rope extends out of a second rope outlet end of the traction wheel and is connected with the counterweight pulley block through the second guide row wheel assembly.

Further, the first guide roller assembly comprises two first fixed pulleys, and the second guide roller assembly comprises two second fixed pulleys.

Further, the two first fixed pulleys are positioned on the same horizontal plane, or the two first fixed pulleys are positioned on different horizontal planes; the two second fixed pulleys are positioned on the same horizontal plane, or the two second fixed pulleys are positioned on different horizontal planes.

Further, the center connecting line of the two car running guide rails is parallel to the center connecting lines of the two counterweight running guide rails, or a preset included angle is formed between the center connecting line of the two car running guide rails and the center connecting lines of the two counterweight running guide rails, if the included angle is an acute angle, the included angle is less than or equal to 30 degrees.

Further, the center line of the car pulley block is parallel to the center lines of the two car running guide rails, or a preset included angle is formed between the center line of the car pulley block and the center lines of the two car running guide rails, and if the included angle is an acute angle, the included angle is smaller than or equal to 45 degrees.

Further, the car pulley block is disposed at a bottom or a top of the car frame.

Further, the traction machine is arranged in any height interval formed from the bottom of the elevator shaft to the top of the elevator shaft.

Furthermore, the traction elevator structure also comprises two transmission rope end fixing components which are respectively used for fixing two ends of the transmission rope; one end of a transmission rope connected with the car pulley block is fixedly connected with one transmission rope end fixing component, and the other end of the transmission rope connected with the counterweight pulley block is fixedly connected with the other transmission rope end fixing component.

Furthermore, the traction machine is fixedly arranged on the inner side wall of the shaft through a traction machine bracket.

Further, the car pulley block comprises at least two movable pulleys.

The utility model provides a beneficial effect that technical scheme brought as follows:

a. the traction elevator structure provided by the utility model has the advantages of high well utilization rate, small size required by the top layer, flexible design of the positions of the car pulley block and the car frame according to the requirement and strong adaptability;

b. the utility model provides a traction elevator structure, which arranges a counterweight system on one side of the inner side wall in the width direction of a well, arranges a host machine on the other side of the inner side wall in the width direction of the well, and makes full use of the space of the well; a first guide wheel assembly and a second guide wheel assembly are adopted to connect the traction machine, the car system and the counterweight system, so that normal and safe operation of the elevator is ensured;

c. the traction elevator structure provided by the utility model can make the width dimension of the elevator car close to the width of the well, the width of the elevator car can be increased to the maximum extent, especially in the field of small well household elevators, the increase of the width of the car means that the door opening width of the car can be increased, the large door opening width is beneficial to the coming in and going out of devices such as wheelchairs, and the humanized design of the elevator service life can be more highlighted due to the structural form of the elevator;

d. the traction machine can be arranged in any height space from the bottom of the well to the top of the well according to the condition of the well on site, and the arrangement is flexible; the traction machine frame only needs a small cushion seat (bracket) to be fixed on a wall without erecting a steel beam crossing a well, so that the cost is greatly saved.

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 cross-sectional view of a first embodiment of a traction elevator structure according to an embodiment of the present invention;

fig. 2 is a sectional view of a second embodiment of a traction elevator structure provided in the embodiment of the present invention;

fig. 3 is a sectional view of a third embodiment of a traction elevator structure provided in the embodiment of the present invention;

fig. 4 is a cross-sectional view of a fourth embodiment of a traction elevator structure provided in the embodiment of the present invention;

fig. 5 is a cross-sectional view of a fifth embodiment of a traction elevator structure provided in the embodiment of the present invention;

fig. 6 is a sectional view of a sixth embodiment of a traction elevator structure according to an embodiment of the present invention;

fig. 7 is a sectional view of a seventh embodiment of a traction elevator structure according to an embodiment of the present invention;

fig. 8 is an expanded projection view of a hoistway elevation with a traction machine located in the lower portion of the hoistway and a car pulley block located at the bottom of the car frame according to an embodiment of the present invention;

fig. 9 is an expanded projection view of a hoistway vertical surface with a traction machine in the middle of the hoistway and a car pulley block at the bottom of the car frame according to an embodiment of the present invention;

fig. 10 is an expanded projection of a hoistway elevation with a machine at the top of the hoistway and a car pulley block at the bottom of the car frame provided by an embodiment of the present invention;

fig. 11 is an expanded projection view of a hoistway vertical plane in which a traction machine is located at the top of a hoistway and a car pulley block is located at the top of a car frame according to an embodiment of the present invention.

Wherein the reference numerals include: 1-elevator hoistway, 2-traction machine, 21-traction machine bracket, 22-traction sheave, 3-car system, 31-car frame, 32-car running guide rail, 33-car pulley block, 4-counterweight system, 41-counterweight frame body, 42-counterweight running guide rail, 5-first guide roller component, 6-second guide roller component, 7-driving rope and 8-driving rope end fixing component.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments 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.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

In an embodiment of the utility model, a traction elevator structure is provided, specific structure refers to fig. 1, and it includes hauler 2, car system 3, counter-weight system 4, first direction gang pulley subassembly 5, second direction gang pulley subassembly 6 and driving rope 7 that set up in elevator well 1, hauler 2 includes traction sheave 22 and hauler bracket 21, driving rope 7 is around establishing on traction sheave 22.

The specific structure of the car system 3 is as follows: the car system 3 includes car frame 31, the car operation guided way 32 of two relative settings and the car assembly pulley 33 of being connected with car frame 31, the vertical setting of car operation guided way 32, car frame 31 can be followed the length direction of car operation guided way 32 removes (reciprocates). The car travel guide rail 32 is provided on the hoistway inner side wall. The car pulley block 33 comprises at least two movable pulleys.

The specific structure of the counterweight system 4 is as follows: the counterweight system 4 includes a counterweight frame body 41, two counterweight operation guide rails 42 arranged oppositely, and a counterweight pulley block 43 connected to the counterweight frame body 41, wherein the counterweight operation guide rails 42 are vertically arranged, and the counterweight frame body 41 can move (move up and down) along the length direction of the counterweight operation guide rails 42. The counterweight travel guide rail 42 is disposed on the hoistway inner wall. When the car is at the top, the counterweight frame body is at the bottom; the car is at the bottom, and the counterweight frame body is at the top.

The installation position of the traction machine 2 is very important, the traction machine 2 and the counterweight system 4 are both arranged at the rear side of the car system 3 (the rear side is the side far away from the landing door, namely the rear side indicated by an arrow in fig. 1, and the side where the landing door is located is the front side), and the traction machine 2 and the counterweight system 4 are both arranged on the inner side wall in the width direction of the elevator shaft 1 (namely the inner side wall at the rear side), the width direction is shown in the direction indicated by the arrow in fig. 1, the direction perpendicular to the width direction is the length direction, and the length direction is the conventional elevator arrangement direction.

The arrangement positions of the counterweight system and the traction machine have the following situations: one counterweight operation guide rail 42 of the counterweight system 4 is arranged on the rear side wall of the hoistway, and the other counterweight operation guide rail 42 is arranged on the right side wall of the hoistway; or one counterweight operation guide rail 42 of the counterweight system 4 is arranged on the rear side wall of the hoistway, and the other counterweight operation guide rail 42 is arranged on the left side wall of the hoistway. One end of the traction machine 2 is arranged on the rear side wall of the well, and the other end of the traction machine is arranged on the right side wall of the well; or one end of the traction machine 2 is arranged on the rear side wall of the well, and the other end of the traction machine is arranged on the left side wall of the well.

Two lines formed by the projections of the axial center extension line of the traction sheave 22 and the center connecting lines of the two car running guide rails 32 on the same horizontal plane form an included angle, and if the included angle is an acute angle, the range is preferably 45 degrees to 90 degrees (including 45 degrees and 90 degrees), and the two line included angle acute angle range formed by the projections of the axial center extension line of the traction sheave 22 and the center connecting lines of the two car running guide rails 32 on the same horizontal plane is 45 degrees, or the two line included angle acute angle range formed by the projections of the axial center extension line of the traction sheave 22 and the center connecting lines of the two car running guide rails 32 on the same horizontal plane is 90 degrees.

If the two lines formed by the projection of the axial center extension line of the traction sheave 22 and the center connecting line of the two car running guide rails 32 on the same horizontal plane form an included angle, and if the included angle is an acute angle, the range can be 0 to 45 degrees, but under the condition, the requirement on the depth of the hoistway is higher (when one end of the traction machine is on the rear side wall of the hoistway and the other end of the traction machine is on the right side wall of the hoistway, if the angle is increased, the traction machine rotates (in rotation, the other end of the traction machine is gradually close to the front side on the right side wall of the hoistway), the occupied space of the traction machine in the hoistway is increased, and the dimension in the depth direction of the hoistway is larger), then the scheme has no advantages, and.

The elevator system comprises a counterweight system, a lift car system and a traction machine, wherein the counterweight system is arranged on the lift shaft, the projection shape of the counterweight system on the horizontal plane of the lift shaft extends to the top surface of the top of the lift shaft and the bottom surface of the bottom of the lift shaft along the vertical direction of the horizontal plane to two ends respectively to form a first space, the projection shape of the lift car system on the horizontal plane of the lift shaft extends to the top surface of the top of the lift shaft and the bottom surface of the bottom of the lift shaft along the vertical direction of the horizontal plane to form a second space, and the traction machine is arranged on the inner wall of the lift shaft and.

The traction elevator structure further comprises a first guide pulley assembly 5 arranged between the car system 3 and the traction machine 2 and a second guide pulley assembly 6 arranged between the traction machine 2 and the counterweight system 4, one end of the driving rope 7 extends from the first rope outlet end of the traction sheave 22 and is connected with a car pulley block 33 of the car system 3 through the first guide row pulley block, i.e. the driving rope 7 extending from the first rope outlet end of the hoisting machine 2 is led via the first guide sheave assembly 5 to the car pulley block 33 of the car system 3, the other end of the transmission rope 7 extends out of the second rope outlet end of the traction sheave 22 and is connected with a counterweight pulley block 43 of the counterweight system 4 through a second guide pulley assembly 6, namely, the transmission rope 7 extending from the second rope outlet end of the traction machine 2 is guided to the counterweight pulley block 43 of the counterweight system 4 through the second guide pulley assembly 6.

The first guide roller assembly 5 comprises two first fixed pulleys, and the second guide roller assembly 6 comprises two second fixed pulleys. The two first fixed pulleys are positioned on the same horizontal plane, or the two first fixed pulleys are positioned on different horizontal planes; the two second fixed pulleys are positioned on the same horizontal plane, or the two second fixed pulleys are positioned on different horizontal planes.

Because the rope outlet end of the traction wheel of the traction machine is far away from the car running guide wheel and the counterweight running guide wheel, the transmission rope (steel wire rope) is smoothly connected by the intermediate transition wheel (namely the first guide row wheel component and the second guide row wheel component).

The center connecting line of the two car running guide rails 32 (if the car pulley block 33 comprises two movable pulleys, the center connecting line of the car pulley block refers to the center connecting line of the two movable pulleys; if the car pulley block 33 comprises three or more movable pulleys, the center line of the third movable pulley or the center lines of the added movable pulleys are necessarily arranged on the center connecting line of the two movable pulleys) is parallel to the center connecting line of the two counterweight running guide rails 42, or a preset included angle is formed between the center connecting line of the two car running guide rails 32 and the center connecting line of the two counterweight running guide rails 42, and if the included angle is an acute angle, the included angle is preferably smaller than or equal to 30 degrees. The included angle may be in the range of 30 ° to 90 °, but under such a condition, the requirement on the depth of the hoistway is relatively high (i.e., if one counterweight operation guide rail 42 of the counterweight system is on the rear side wall of the hoistway and the other counterweight operation guide rail 42 is on the right side wall of the hoistway, if the angle is increased, which is equivalent to the rotation of the counterweight system (during the rotation, the other counterweight operation guide rail 42 is gradually close to the front side on the right side wall of the hoistway), the space occupied by the counterweight system in the hoistway becomes larger, which results in a larger dimension in the depth direction of the hoistway), then the scheme has no advantage, and therefore, the included angle.

The center line of the car pulley block 33 is parallel to the center lines of the two car running guide rails 32, or a preset included angle is formed between the center line of the car pulley block 33 and the center line of the two car running guide rails 32, and if the included angle is an acute angle, the included angle is preferably less than or equal to 45 degrees. If the included angle is more than 45 degrees, the angle is big, and car loose pulley assembly central line runs to the car front and back side along car central point, and not in the left and right sides of car, and then the pulley of car assembly pulley can run to the side of opening the door when the car bottom, influences the side of opening the door promptly.

The hoisting machine 2 is disposed in any height section of the elevator shaft 1 formed from the shaft pit floor to the shaft top floor, see fig. 8-11. The hoisting machine 2 is fixed to the inner wall of the hoistway by a hoisting machine bracket 21, and the hoisting machine bracket has various structures as long as the hoisting machine can be fixed, and the structure thereof is not limited.

The traction elevator structure further comprises two transmission rope end fixing assemblies 8 which are used for fixing two ends of the transmission rope 7 respectively, the transmission rope end fixing assemblies 8 are arranged at the top of the hoistway, and can also be arranged in an area, close to the top of the hoistway, of the side wall of the hoistway, and the position of the transmission rope end fixing assemblies can be only required to ensure normal operation of the elevator. One end of the driving rope 7 passing through the car pulley block 33 is fixed on one driving rope end fixing component, and the other end of the driving rope 7 passing through the counterweight pulley block 43 of the counterweight system 4 is fixed on the other driving rope end fixing component. The driving rope end fixing member 8 has various structural forms as long as it can fix the driving rope, and its structure is not limited.

The arrangement position of the car pulley block 33 has two conditions, the first condition: the car pulley block 33 is arranged at the bottom of the car frame 31, see fig. 8-10, in the second case: the car pulley block 33 is arranged on top of the car frame 31, see fig. 11. Since the car pulley block 33 occupies a certain volume, when the top space of the hoistway is small and the bottom space is large, the car pulley block 33 may be disposed at the bottom of the car frame 31; when the hoistway has a large top space and a small bottom space, the car pulley block 33 may be disposed on the top of the car frame 31.

The utility model provides a traction elevator structure is according to the hauler, to heavy system setting position to and car assembly pulley setting position difference, has multiple structural style, see in detail below embodiment 1-7.

Example 1

The car assembly pulley 33 sets up car frame 31's bottom, the central line of car assembly pulley 33 and the central line parallel arrangement of two car operation guided ways 32, traction sheave 22 axial direction center extension line with two line contained angles that the projection of car operation guided way 32 central line on the same horizontal plane formed are 90, perpendicular setting promptly. The center connecting line of the two car travel guide rails 32 is parallel to the center connecting line of the two counterweight travel guide rails 42.

Example 2

The car assembly pulley 33 sets up the bottom of car frame 31, the central line of car assembly pulley 33 and the central line parallel arrangement of two car operation guided ways 32, the axial direction of traction sheave 22 center extension line with two line contained angles that the projection of car operation guided way 32 central line on the same horizontal plane formed are 45 (see contained angle alpha in figure 2). The center connecting line of the two car travel guide rails 32 is parallel to the center connecting line of the two counterweight travel guide rails 42.

Example 3

Referring to fig. 3, the car pulley block 33 is disposed at the bottom of the car frame 31, an included angle formed between a center line of the car pulley block 33 and center lines of the two car travel guide rails 32 is 45 ° (an included angle α in fig. 3), and an included angle formed by projections of an axial center extension line of the traction sheave 22 and the center lines of the car travel guide rails 32 on the same horizontal plane is 90 °, that is, the included angle is vertically disposed. The center line of the two car travel guide rails 32 (indicated by a in fig. 3) is parallel to the center line of the two counterweight travel guide rails 42 (indicated by b in fig. 3).

Example 4

Referring to fig. 4, the car pulley block 33 is disposed at the bottom of the car frame 31, a central connecting line of the car pulley block 33 is parallel to a central connecting line of the two car travel guide rails 32, and an included angle between two lines formed by projections of an axial center extension line of the traction sheave 22 and the central connecting line of the car travel guide rails 32 on the same horizontal plane is 90 °, that is, the two lines are disposed vertically. The center line of the two car travel guide rails 32 (see a in fig. 4) is parallel to the center line of the two counterweight travel guide rails 42 (see b in fig. 4).

Example 5

Referring to fig. 5, the car pulley block 33 is disposed at the bottom of the car frame 31, an included angle formed between a center line of the car pulley block 33 and center lines of the two car travel guide rails 32 is 45 ° (see an included angle α in fig. 5), and an included angle formed by projections of an axial center extension line of the traction sheave 22 and the center lines of the car travel guide rails 32 on the same horizontal plane is 90 °, that is, the included angle is vertically disposed. The center line (see a in fig. 5) of the two car travel guide rails 32 and the center line (see b in fig. 5) of the two counterweight travel guide rails 42 form an angle of 30 °.

In embodiments 1 to 5, the car pulley block 33 is provided at the bottom of the car frame 31. In the above 5 embodiments, the traction elevator structure is suitable for civil engineering of elevator shafts with small top height and large pit depth, and can fully utilize the shaft space. The tractor sets up in the left side of counterweight system, or the tractor sets up in the right side of counterweight system, all can realize, only need according to elevator maintenance door position make the tractor be close to easily overhaul the position can.

Example 6

Referring to fig. 6, the car pulley block 33 is disposed on the top of the car frame 31, and a center line of the car pulley block 33 is parallel to a center line of the two car travel guide rails 32. The included angle between the two lines formed by the projection of the axial center extension line of the traction sheave 22 and the center connecting line of the car running guide rail 32 on the same horizontal plane is 90 degrees, namely, the two lines are vertically arranged. The center connecting line of the two car travel guide rails 32 is parallel to the center connecting line of the two counterweight travel guide rails 42.

Example 7

Referring to fig. 7, the car pulley block 33 is disposed on the top of the car frame 31, and an angle α formed between a line connecting centers of the car pulley block 33 and a line connecting centers of the two car travel guide rails 32 is 45 °. The included angle between the two lines formed by the projection of the axial center extension line of the traction sheave 22 and the center connecting line of the car running guide rail 32 on the same horizontal plane is 90 degrees, namely, the two lines are vertically arranged. The center connecting line of the two car travel guide rails 32 is parallel to the center connecting line of the two counterweight travel guide rails 42.

In embodiment 6 and embodiment 7, the car pulley block 33 is provided on the top of the car frame 31, except that: in the embodiment 6, the central connecting line of the car pulley block 33 is parallel to the central connecting line of the two car running guide rails 32; in example 7, the angle formed between the center connecting line of the car pulley block 33 and the center connecting lines of the two car travel guide rails 32 is 45 °. The car pulley block 33 has different setting positions in embodiment 6 and embodiment 7.

In embodiments 6 and 7, the car pulley block 33 is disposed on the top of the car frame 31, and is suitable for the civil engineering of the elevator shaft with a height of the top floor smaller than the depth of the pit, and in addition, the car pulley block 33 is disposed on the top of the car frame 31 and is suitable for being used as a glass sightseeing car.

The utility model provides a new elevator arrangement structure adopts to heavy system rear structure, but the hauler is not arranged in top layer car system or to heavy system top, and will set up to heavy system on one side of well width direction inside wall, with the hauler setting at the another side of well width direction inside wall, sets up and the interval sets up to heavy system and hauler side by side promptly, make full use of the well space. Under this arrangement, adopt first leading wheel subassembly and second leading wheel subassembly, couple together hauler, car system and counterweight system, guarantee that the elevator is normal and safe work. The counterweight system and the traction machine can be arranged in a plurality of mounting modes, the positions of the counterweight system and the traction machine can be changed as required, and the flexibility is high.

The utility model provides a tow elevator structure sets up under the condition of car frame bottom at the car assembly pulley, and is very low to well top layer designing requirement, only needs to guarantee the height of car design operation, need not consider the position of arranging of top hauler, and this project organization can be used to the passenger elevator of partial well does not have the computer lab project equally.

The utility model provides a tow elevator structure can be so that elevator car width dimension is close the well width, and the elevator car width is increased to the greatest extent, especially in the home use elevator field of little well, and the increase of car width means can increase the width of opening the door that gets into the car, and the big width of opening the door is favorable to devices such as wheelchair to come in and go out, and this kind of elevator structural style more can highlight the humanized design of elevator service life. The traction machine can be arranged in any height space from the bottom of the well to the top of the well according to the condition of the well on site, and the arrangement is flexible. The traction machine frame only needs a small cushion seat (bracket) to be fixed on a wall without erecting a steel beam crossing a well, so that the cost is greatly saved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A traction elevator structure comprises a traction machine (2), a car system (3), a counterweight system (4) and a transmission rope (7) which are arranged in an elevator hoistway (1), wherein the traction machine (2) comprises a traction sheave (22), and the transmission rope (7) is wound on the traction sheave (22); the car system (3) comprises a car frame (31), two car running guide rails (32) arranged oppositely and a car pulley block (33) connected with the car frame (31), wherein the car frame (31) can move along the length direction of the car running guide rails (32); the counterweight system (4) comprises a counterweight frame body (41), two counterweight running guide rails (42) which are arranged oppositely and a counterweight pulley block (43) connected with the counterweight frame body (41), the counterweight frame body (41) can move along the length direction of the counterweight running guide rails (42), and the counterweight system is characterized in that,

the traction machine (2) and the counterweight system (4) are both arranged at the rear side of the car system (3) and are both arranged at the inner side of the elevator hoistway (1) in the width direction; the acute angle range of an included angle between two lines formed by the projection of the axial center extension line of the traction wheel (22) and the center connecting line of the two car running guide rails (32) on the same horizontal plane is 45-90 degrees;

the elevator traction structure is characterized by further comprising a first guide row wheel assembly (5) arranged between the car system (3) and the traction machine (2) and a second guide row wheel assembly (6) arranged between the traction machine (2) and the counterweight system (4), wherein one end of the transmission rope (7) is extended out of a first rope outlet end of the traction wheel (22) and passes through the first guide row wheel assembly and the car pulley block (33), and the other end of the transmission rope (7) is extended out of a second rope outlet end of the traction wheel (22) and is connected with the counterweight pulley block (43) through the second guide row wheel assembly (6).

2. Traction elevator arrangement according to claim 1, characterized in that the first guide roller assembly (5) comprises two first fixed pulleys and the second guide roller assembly (6) comprises two second fixed pulleys.

3. The traction elevator structure according to claim 2, wherein the two first fixed pulleys are located at the same level, or the two first fixed pulleys are located at different levels; the two second fixed pulleys are positioned on the same horizontal plane, or the two second fixed pulleys are positioned on different horizontal planes.

4. The traction elevator structure as claimed in claim 1, wherein the center connecting line of the two car running guide rails (32) is parallel to the center connecting line of the two counterweight running guide rails (42), or the center connecting line of the two car running guide rails (32) and the center connecting line of the two counterweight running guide rails (42) form a preset included angle, and if the included angle is an acute angle, the included angle is less than or equal to 30 °.

5. The traction elevator structure according to claim 1, wherein the center line of the car pulley block (33) is parallel to the center line of the two car running guide rails (32), or a preset included angle is formed between the center line of the car pulley block (33) and the center line of the two car running guide rails (32), and if the included angle is an acute angle, the included angle is less than or equal to 45 °.

6. Traction elevator arrangement according to claim 1, characterized in that the car pulley block (33) is placed at the bottom or top of the car frame (31).

7. The traction elevator arrangement according to claim 1, characterized in that the traction machine (2) is placed in any height interval formed from the bottom of the elevator shaft (1) to the top of the shaft (1).

8. The traction elevator structure according to claim 1, characterized in that it further comprises two driving rope end fixing assemblies (8) for fixing both ends of the driving rope (7), respectively; one end of a transmission rope (7) connected with the car pulley block (33) is fixedly connected with one transmission rope end fixing component (8), and the other end of the transmission rope (7) connected with the counterweight pulley block (43) is fixedly connected with the other transmission rope end fixing component (8).

9. The traction elevator structure according to claim 1, wherein the traction machine (2) is fixedly provided on an inner wall of a hoistway by a traction machine bracket (21).

10. Traction elevator arrangement according to claim 1, characterized in that the car pulley block (33) comprises at least two movable pulleys.

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