CN214192141U - Elevator, car and car bottom diversion sheave mounting structure - Google Patents

Abstract

The utility model relates to a diverting pulley mounting structure at bottom of elevator, car and sedan-chair. The car bottom diversion sheave mounting structure comprises a diversion sheave assembly and a car bottom frame boundary beam. The diversion sheave assembly includes a sheave. The car underframe side beam is arranged above the diversion sheave assembly and is connected with the diversion sheave assembly. The bottom of sedan-chair chassis boundary beam is equipped with dodges the mouth with the rope sheave adaptation, and the department of dodging is located to the rope sheave, makes the top of rope sheave be higher than the bottom of sedan-chair chassis boundary beam. The bottom of sedan-chair chassis boundary beam sets up the mouth of dodging with the rope sheave adaptation, multiplicable diversion sheave assembly's mounting height like this makes the top of rope sheave be higher than sedan-chair chassis boundary beam's bottom, so can reduce the sill to the perpendicular distance of diversion sheave bottom to reduce the requirement to well pit degree of depth, be applicable to ordinary traction type elevator system. In addition, the space of the car bottom can be effectively utilized, so that the whole structure is more compact.

Description

Elevator, car and car bottom diversion sheave mounting structure

Technical Field

The utility model relates to an elevator technical field especially relates to a diverting pulley mounting structure at bottom of elevator, car and sedan-chair.

Background

The car diversion sheave device is an indispensable part in a vertical traction elevator, is assembled with a car into a whole, is responsible for the transmission of the power of a steel wire rope, and is matched with a guide shoe guide rail to realize the vertical lifting function of the car.

At present, the installation mode of a car diversion sheave device mainly comprises a diversion sheave upper-mounted type and a diversion sheave lower-mounted type. When the diversion sheave is arranged below, the diversion sheave is easy to be the lowest part of the elevator car, and at the moment, certain requirements are made on the depth of a shaft pit. If the diversion sheave is the part at the lowest end of the car, the free vertical distance between the lowest end part of the car and the bottom of the shaft pit is not less than 0.5m according to the national standard requirement, the depth of the pit must be increased to meet the standard requirement, so that the space of the car pit cannot be fully utilized, and the requirement on the depth of the shaft pit is improved.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for an elevator, a car, and a car bottom sheave mounting structure; the car bottom diversion sheave mounting structure can reduce the requirement on the depth of a hoistway pit, can effectively utilize the space of the car bottom, and has a more compact overall structure.

The utility model provides a rope sheave mounting structure at bottom of sedan-chair, rope sheave mounting structure includes at the bottom of the sedan-chair:

a diversion sheave assembly comprising a sheave; and

the car underframe boundary beam is arranged above the diversion sheave assembly and is connected with the diversion sheave assembly; an avoidance opening matched with the rope wheel is formed in the bottom of the car underframe edge beam;

the rope wheel is arranged at the avoiding opening, so that the top of the rope wheel is higher than the bottom of the side beam of the car underframe.

Foretell sedan-chair end diverting pulley mounting structure sets up the mouth of dodging with the rope sheave adaptation through the bottom at sedan-chair underframe boundary beam, and the mounting height of multiplicable diverting pulley subassembly makes the top of rope sheave be higher than the bottom of sedan-chair underframe boundary beam like this, can reduce the perpendicular distance of sill to diverting pulley bottom to reduce the requirement to well pit degree of depth, be applicable to ordinary traction type elevator system. And, set up the mouth of dodging with the rope sheave adaptation through the bottom at sedan-chair underframe boundary beam for the top of rope sheave is no longer than the bottom of sedan-chair underframe boundary beam, can utilize the space at the bottom of sedan-chair effectively like this, makes overall structure compacter.

In one embodiment, the bottom of the car underframe boundary beam is provided with a first avoidance opening wall and a second avoidance opening wall which are opposite, the first avoidance opening wall and the second avoidance opening wall both extend from one side to the other side of the bottom of the car underframe boundary beam, and the distance between a perpendicular line of any point of the first avoidance opening wall and a perpendicular line of any point of the second avoidance opening wall is not less than the thickness of the rope wheel.

In one embodiment, the avoidance port is rectangular; the distance between the first avoidance opening wall and the second avoidance opening wall is larger than the thickness of the rope wheel.

In one embodiment, the installation structure of the platform diversion sheave further comprises a reinforcing member, wherein the reinforcing member is provided with a notch, and the size of the notch is not smaller than that of the avoidance opening; the reinforcing member is arranged at the bottom of the car underframe boundary beam, and the notch is arranged corresponding to the avoidance opening of the car underframe boundary beam;

or the thickness of the bottom of the side beam of the car underframe is increased.

In one embodiment, the car platform sheave mounting structure further comprises a support beam, a bottom portion of the support beam being connected to the sheave assembly, and a top portion of the support beam being connected to the car platform side beam.

In one embodiment, the diverting pulley assembly further comprises a central shaft, a cushion block, a first anti-jump member and a second anti-jump member, wherein the pulley is rotatably connected with the central shaft, the cushion block is arranged on the central shaft, the first anti-jump member is transversely arranged on the side part of the pulley, and two ends of the first anti-jump member are respectively connected with the cushion block; the second anti-bouncing piece is vertically arranged at the bottom of the rope wheel, and two ends of the second anti-bouncing piece are respectively connected to the cushion block.

In one embodiment, the car platform diverting pulley mounting structure further comprises a dust baffle plate, and the dust baffle plate is arranged on the side part of the car platform boundary beam.

The utility model provides a rope sheave mounting structure at bottom of sedan-chair, rope sheave mounting structure includes at the bottom of the sedan-chair:

a diversion sheave assembly comprising a sheave; and

the car underframe boundary beam is arranged above the diversion sheave assembly and is connected with the diversion sheave assembly; under the condition of meeting the installation strength of the car underframe boundary beam, the width of the bottom of the car underframe boundary beam is reduced, so that the top of the rope wheel is higher than the bottom of the car underframe boundary beam.

Foretell sedan-chair end diversion sheave mounting structure under the condition that satisfies the installation intensity of sedan-chair chassis boundary beam, reduces the width of sedan-chair chassis boundary beam bottom for the top of rope sheave is higher than the bottom of sedan-chair chassis boundary beam, so can reduce the sill to the perpendicular distance of diversion sheave bottom, thereby reduce the requirement to the well pit degree of depth, be applicable to ordinary traction type elevator system. And, set up the mouth of dodging with the rope sheave adaptation through the bottom at sedan-chair underframe boundary beam for the top of rope sheave is no longer than the bottom of sedan-chair underframe boundary beam, can utilize the space at the bottom of sedan-chair effectively like this, makes overall structure compacter.

A lift car comprises a lift car body and a lift car bottom rope pulley mounting structure.

The car is provided with the avoiding opening at the bottom of the car chassis boundary beam, or the width of the bottom of the car chassis boundary beam is reduced under the installation strength of the car chassis boundary beam, so that the vertical distance from the sill to the bottom of the diversion sheave can be reduced, and the requirement on the depth of a well pit is reduced, and the car is suitable for a common traction type elevator system. And, set up the mouth of dodging with the rope sheave adaptation through the bottom at sedan-chair underframe boundary beam for the top of rope sheave is no longer than the bottom of sedan-chair underframe boundary beam, can utilize the space at the bottom of sedan-chair effectively like this, makes overall structure compacter.

An elevator comprises the car.

The elevator is provided with the avoiding opening at the bottom of the car underframe boundary beam, or the width of the bottom of the car underframe boundary beam is reduced under the condition of meeting the installation strength of the car underframe boundary beam, so that the vertical distance from the sill to the bottom of the diversion sheave can be reduced, the requirement on the depth of a well pit is reduced, and the elevator is suitable for a common traction type elevator system. And, set up the mouth of dodging with the rope sheave adaptation through the bottom at sedan-chair underframe boundary beam for the top of rope sheave is no longer than the bottom of sedan-chair underframe boundary beam, can utilize the space at the bottom of sedan-chair effectively like this, makes overall structure compacter.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a car bottom diverting pulley mounting structure according to an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of the platform sheave mounting structure shown in fig. 1 at a;

fig. 3 is a front view of the platform sheave mounting structure shown in fig. 2;

fig. 4 is a plan view of the platform sheave mounting structure shown in fig. 2;

fig. 5 is a left side view of the platform sheave mounting structure shown in fig. 2;

fig. 6 is a schematic structural view of a car bottom diverting pulley mounting structure according to another embodiment of the present invention;

fig. 7 is a cross-sectional view of the platform sheave mounting structure shown in fig. 6 taken along B-B.

Reference numerals:

10. a diversion sheave assembly; 11. a sheave; 12. a first anti-jump element; 13. a second anti-jump element; 14. a suspension member; 20. car underframe boundary beams; 21. avoiding the mouth; 211. a first avoidance port wall; 212. a second avoidance port wall; 30. a support beam; 40. a reinforcement; 50. a dust guard; 51. an installation part; 52. a shielding portion.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a car bottom pulley mounting structure according to an embodiment of the present invention, and fig. 2 is a partially enlarged schematic view of the car bottom pulley mounting structure shown in fig. 1 at a position a. An embodiment of the utility model provides a rope pulley mounting structure at bottom of sedan-chair, including rope pulley subassembly 10 and sedan-chair underframe limit roof beam 20. The diverting pulley assembly 10 includes a sheave 11. The underframe side beam 20 is disposed above the pulley assembly 10 and is connected to the pulley assembly 10. The bottom of the car underframe boundary beam 20 is provided with an avoidance opening 21 matched with the rope pulley 11. The rope pulley 11 is arranged at the avoidance opening 21, so that the top of the rope pulley 11 is higher than the bottom of the car underframe side beam 20.

The bottom of traditional sedan-chair chassis boundary beam is the plane that has certain width, with the in-process of diversion sheave assembly mount below sedan-chair chassis boundary beam, the mounting height of sedan-chair chassis boundary beam can restrict the rope sheave for the top of rope sheave is no longer than the bottom of sedan-chair chassis boundary beam. In order to meet the standard requirements, the depth of the well pit needs to be increased, so that the requirement on the depth of the well pit is improved. In the embodiment, the avoidance port 21 matched with the rope pulley 11 is arranged at the bottom of the car underframe side beam 20, so that the installation height of the diversion rope pulley assembly 10 can be increased, the top of the rope pulley 11 is higher than the bottom of the car underframe side beam 20, the vertical distance from the sill to the bottom of the rope pulley 11 can be reduced, the requirement on the depth of a hoistway pit is reduced, and the elevator car frame side beam is suitable for a common traction type elevator system. And, through set up the dodge mouth 21 with the adaptation of rope sheave 11 in the bottom of sedan-chair underframe boundary beam 20 for the top of rope sheave 11 is no longer than the bottom of sedan-chair underframe boundary beam 20, can utilize the space at the sedan-chair bottom effectively like this, makes overall structure compacter.

In one embodiment, referring to fig. 2, the bottom of the platform side rail 20 has opposing first and second vent walls 21, 22. The first avoidance opening wall 21 and the second avoidance opening wall 22 both extend from one side to the other side of the bottom of the car underframe side beam 20, and the distance between the perpendicular line of any point of the first avoidance opening wall 21 and the perpendicular line of any point of the second avoidance opening wall 22 is not less than the thickness of the rope pulley 11. It should be understood that the perpendicular direction of any point of the first vent wall 21 is substantially the same as the extending direction of the first vent wall 21, and the perpendicular direction of any point of the second vent wall 22 is substantially the same as the extending direction of the second vent wall 22. Thus, the rope pulley 11 can be correspondingly installed at the avoidance opening 21 of the car underframe boundary beam 20, the top of the rope pulley 11 is higher than the bottom of the car underframe boundary beam 20, the vertical distance from the sill to the bottom of the rope pulley 11 can be reduced, the requirement on the depth of a hoistway pit is reduced, and the rope pulley is suitable for common traction type elevator systems. In addition, the space of the car bottom can be effectively utilized, so that the whole structure is more compact.

The thickness of the sheave 11 refers to a vertical distance between the outermost end surfaces of both sides of the sheave 11, i.e., a vertical distance from one outermost end surface of the sheave 11 to the other outermost end surface thereof.

Further, referring to fig. 2, the avoiding opening 21 is rectangular, and the rectangular avoiding opening 21 is adapted to the sheave 11. Therefore, on one hand, the production and processing are convenient, and the production efficiency is improved; on the other hand, the top of the rope pulley 11 is ensured to be higher than the bottom of the car underframe side beam 20, and meanwhile, the size of the avoiding opening 21 is minimized, so that the influence of the avoiding opening 21 on the strength of the car underframe side beam 20 can be reduced, and the installation strength of the car underframe side beam 20 is ensured.

Referring to fig. 2, when the avoidance port 21 is rectangular, a distance between a perpendicular line of any point of the first avoidance port wall 21 and a perpendicular line of any point of the second avoidance port wall 22 is larger than a thickness of the sheave 11, and it can be understood that a perpendicular distance between the first avoidance port wall 21 and the second avoidance port wall 22 is not smaller than the thickness of the sheave 11. Of course, in other embodiments, the avoiding opening 21 may have other shapes, such as a parallelogram, an arc, etc. of the avoiding opening 21. When the avoidance port 21 is a parallelogram, a distance between a perpendicular line of any point of the first avoidance port wall 21 and a perpendicular line of any point of the second avoidance port wall 22 is not less than the thickness of the sheave 11, and it is understood that a minimum distance between a perpendicular line of any point on the first avoidance port wall 21 and a perpendicular line of any point of the second avoidance port wall 22 should be not less than the thickness of the sheave 11.

In one embodiment, referring to fig. 2, a distance between a perpendicular line to any point of the first bypass opening wall 21 and a perpendicular line to any point of the second bypass opening wall 22 is greater than a thickness of the sheave 11. It is understood that, after the sheave 11 is installed at the avoidance port 21, the first avoidance port wall 21 is spaced apart from a side of the sheave 11 close to the first avoidance port wall 21, and/or the second avoidance port wall 22 is spaced apart from a side of the sheave 11 close to the second avoidance port wall 22. Therefore, enough clearance is reserved, and component interference caused by installation errors and manufacturing errors can be avoided.

In one embodiment, referring to fig. 2, the platform deflector sheave mounting structure further comprises a reinforcement 40, the reinforcement 40 being provided at the bottom of the platform side sill 20. The reinforcing member 40 is provided with a notch corresponding to the avoiding opening 21 of the car underframe side beam 20. In addition, when the escape opening 21 is provided at the bottom of the car underframe side sill 20, the strength of the car underframe side sill 20 is reduced. In this embodiment, the reinforcing member 40 is disposed at the bottom of the car frame side beam 20, and the notch of the reinforcing member 40 corresponds to the avoiding opening 21 of the car frame side beam 20, so that the rope sheave 11 can be disposed at the avoiding opening 21, and the strength of the car frame side beam 20 can be increased. Of course, in other embodiments, the strength of the underframe side beam 20 can be increased by increasing the thickness of the underframe side beam 20.

Further, the size of the gap of the reinforcing member 40 is not smaller than the size of the escape opening 21 of the underframe side sill 20. So, can guarantee can not influence the size of dodging mouthful 21 of sedan-chair chassis boundary beam 20 after the bottom of sedan-chair chassis boundary beam 20 sets up reinforcement 40 to ensure that rope sheave 11 can install the dodging mouthful 21 department at sedan-chair chassis boundary beam 20, make the top of rope sheave 11 be higher than the bottom of sedan-chair chassis boundary beam 20, so can reduce the sill to the perpendicular distance of rope sheave 11 bottom, thereby reduce the requirement to well pit depth.

In the present embodiment, the reinforcing member 40 is a reinforcing plate. The reinforcing plate is mounted at the bottom of the car underframe boundary beam 20 by fasteners such as bolts, and the notches of the reinforcing plate are arranged correspondingly to the avoidance openings 21 of the car underframe boundary beam 20.

In one embodiment, referring to fig. 1 and 3, fig. 3 illustrates a front view of the platform sheave mounting structure shown in fig. 2. The platform sheave mounting structure further includes a support beam 30, the bottom of the support beam 30 being attached to the sheave assembly 10 and the top of the support beam 30 being attached to the bottom of the platform frame side beam 20. It will be appreciated that the platform side beams 20 are indirectly connected to the pulley assembly 10 by the support beams 30. By providing the support beam 30, the support beam 30 can be raised by the height of the car underframe side beam 20, and a sheave 11 assembly having a large size can be applied. Furthermore, the support beam 30 may also serve as a buffer, and detection elements, such as a weighing member, an alarm member, etc., may be mounted on the support beam 30.

If the size of the sheave 11 in the diversion sheave assembly 10 is sufficiently small, the bottom of the underframe side member 20 may be directly connected to the diversion sheave assembly 10 without providing the support beam 30.

In one embodiment, referring to fig. 3, 4, and 5, fig. 3 illustrates a front view of the platform sheave mounting structure shown in fig. 2, fig. 4 illustrates a top view of the platform sheave mounting structure shown in fig. 2, and fig. 5 illustrates a left side view of the platform sheave mounting structure shown in fig. 2. The pulley assembly 10 further includes a first anti-jump member 12 and a second anti-jump member 13. Specifically, the first anti-jump piece 12 is a side rope guard, and the second anti-jump piece 13 is a bottom rope guard. Therefore, the steel wire rope can be effectively prevented from being separated from the rope groove of the rope sheave 11, and the stable operation of the elevator is ensured.

Specifically, the diversion sheave assembly 10 further includes a central shaft and a spacer. The sheave 11 is rotatably connected to a central shaft, and a pad is mounted on the central shaft. The first anti-bouncing piece 12 is transversely arranged on the side part of the rope wheel 11, and two ends of the first anti-bouncing piece 12 are respectively connected with the cushion blocks. The second anti-bouncing piece 13 is vertically arranged at the bottom of the rope wheel 11, and two ends of the second anti-bouncing piece 13 are respectively connected to the cushion blocks. More specifically, a first mounting hole is formed in the side portion of the cushion block, the first anti-bouncing member 12 and the second anti-bouncing member 13 are provided with oblong holes, and fasteners such as bolts penetrate through the oblong holes and the first mounting hole to fix the first anti-bouncing member 12 and the second anti-bouncing member 13 to the cushion block.

Further, referring to fig. 2 and 5, the diversion sheave assembly 10 further includes a suspension 14. Optionally, the hanger 14 is a U-bolt. The top of the cushion block is provided with a through hole, the U-shaped bolt penetrates through the through hole of the cushion block from the lower part of the central shaft upwards, the U-shaped bolt is locked by the nut, and the two ends of the central shaft of the rope wheel 11 are connected with the bottom of the supporting beam 30 by the U-shaped bolt, so that the structure is simple.

In one embodiment, referring to fig. 2 and 5, the platform deflector sheave mounting structure further comprises a dust guard 50, the dust guard 50 attached to the side of the platform sill 20. The dust guard 50 has a shielding portion 52, and the shielding portion 52 is located above the side portion of the sheave 11. So, through setting up dust board 50, dust board 50 can play the effect of sheltering from the dust, avoids the surface accumulation too much dust of rope sheave 11, and influences the normal operating of elevator.

Specifically, referring to fig. 2, the dust guard 50 includes a mounting portion 51 and a shielding portion 52, and the shielding portion 52 is transversely located at the bottom of the mounting portion 51 and connected to form an L-shape. In use, the mounting portion 51 is mounted to the side portion of the underframe side sill 20 by a fastener such as a screw so that the shielding portion 52 shields the upper side portion of the sheave 11. Or, the dust guard 50 is a flat plate, the side of the car underframe edge beam 20 is provided with a clamping groove, and the side of the dust guard 50 is clamped in the clamping groove of the side of the car underframe edge beam 20.

Referring to fig. 6 and 7, fig. 6 is a schematic structural view of a car bottom pulley mounting structure according to another embodiment of the present invention, and fig. 7 is a cross-sectional view of the car bottom pulley mounting structure shown in fig. 6 taken along B-B. The utility model provides a rope pulley mounting structure at bottom of sedan-chair, including rope pulley subassembly 10 and sedan-chair underframe roof beam 20. The diverting pulley assembly 10 includes a sheave 11. The underframe side beam 20 is disposed above the pulley assembly 10 and is connected to the pulley assembly 10. Under the condition that the installation strength of the car underframe side beam 20 is satisfied, the width of the bottom of the car underframe side beam is reduced, so that the top of the rope pulley 11 is higher than the bottom of the car underframe side beam 20.

The bottom of the traditional car underframe boundary beam 20 is a plane with a certain width, and in the process of installing the diversion sheave assembly 10 below the car underframe boundary beam 20, the bottom of the car underframe boundary beam 20 can limit the installation height of the sheave 11, so that the top of the sheave 11 is not beyond the bottom of the car underframe boundary beam 20. In order to meet the standard requirements, the depth of a well pit needs to be increased, so that the requirement on the depth of the well pit is improved. In this embodiment, under the condition that the installation strength of the car underframe boundary beam 20 is satisfied, the width of the bottom of the car underframe diversion sheave installation structure is reduced, so that the top of the sheave 11 is higher than the bottom of the car underframe boundary beam 20, the vertical distance from the sill to the bottom of the diversion sheave 11 can be reduced, the requirement on the depth of a hoistway pit is reduced, and the elevator car underframe diversion sheave installation structure is suitable for a common traction type elevator system. And, through set up the dodge mouth 21 with the adaptation of rope sheave 11 in the bottom of sedan-chair underframe boundary beam 20 for the top of rope sheave 11 is no longer than the bottom of sedan-chair underframe boundary beam 20, can utilize the space at the sedan-chair bottom effectively like this, makes overall structure compacter.

In one embodiment, referring to fig. 6 and 7, the platform sheave mounting structure further includes support beams 30. The specific structure, arrangement position, etc. of the support beam 30 are the same as those of the support beam 30 in the above embodiment, and are not described herein again.

In one embodiment, referring to fig. 6 and 7, the platform sheave mounting structure further includes a first anti-jump member 12 and a second anti-jump member 13. The specific structures, installation positions, etc. of the first anti-jump piece 12 and the second anti-jump piece 13 are the same as those of the first anti-jump piece 12 and the second anti-jump piece 13 in the above embodiments, and are not described herein again.

In one embodiment, the platform deflector sheave mounting structure further includes a dust guard 50. The specific structure, arrangement position, etc. of the dust guard 50 are the same as those of the dust guard 50 in the above embodiments, and are not described herein again.

The utility model relates to a car, diversion sheave mounting structure at the bottom of car body and the sedan-chair of any above-mentioned embodiment. Through the bottom at sedan-chair chassis boundary beam 20 set up with the dodge mouth 21 of rope sheave 11 adaptation, perhaps under the condition that satisfies sedan-chair chassis boundary beam 20's installation intensity, reduce the width of sedan-chair bottom diverting pulley mounting structure bottom for the top of rope sheave 11 is higher than sedan-chair chassis boundary beam 20's bottom, so can reduce the sill to the perpendicular distance of diverting pulley 11 bottom, thereby reduce the requirement to the well pit degree of depth, be applicable to ordinary traction type elevator system. And, through set up the dodge mouth 21 with the adaptation of rope sheave 11 in the bottom of sedan-chair underframe boundary beam 20 for the top of rope sheave 11 is no longer than the bottom of sedan-chair underframe boundary beam 20, can utilize the space at the sedan-chair bottom effectively like this, makes overall structure compacter.

An elevator comprising the car of any of the above embodiments. Through the bottom at sedan-chair chassis boundary beam 20 set up with the dodge mouth 21 of rope sheave 11 adaptation, perhaps under the condition that satisfies sedan-chair chassis boundary beam 20's installation intensity, reduce the width of sedan-chair bottom diverting pulley mounting structure bottom for the top of rope sheave 11 is higher than sedan-chair chassis boundary beam 20's bottom, so can reduce the sill to the perpendicular distance of diverting pulley 11 bottom, thereby reduce the requirement to the well pit degree of depth, be applicable to ordinary traction type elevator system. And, through set up the dodge mouth 21 with the adaptation of rope sheave 11 in the bottom of sedan-chair underframe boundary beam 20 for the top of rope sheave 11 is no longer than the bottom of sedan-chair underframe boundary beam 20, can utilize the space at the sedan-chair bottom effectively like this, makes overall structure compacter.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a rope sheave mounting structure at bottom of sedan-chair, its characterized in that, rope sheave mounting structure at bottom of sedan-chair includes:

a diversion sheave assembly comprising a sheave; and

the car underframe boundary beam is arranged above the diversion sheave assembly and is connected with the diversion sheave assembly; an avoidance opening matched with the rope wheel is formed in the bottom of the car underframe edge beam;

the rope wheel is arranged at the avoiding opening, so that the top of the rope wheel is higher than the bottom of the side beam of the car underframe.

2. The car bottom diverting pulley mounting structure according to claim 1, wherein the bottom of the car bottom frame side beam is provided with a first avoiding opening wall and a second avoiding opening wall which are opposite to each other, the first avoiding opening wall and the second avoiding opening wall both extend from one side to the other side of the bottom of the car bottom frame side beam, and the distance between a perpendicular line of any point of the first avoiding opening wall and a perpendicular line of any point of the second avoiding opening wall is not less than the thickness of the pulley.

3. The platform sheave mounting structure of claim 2, wherein the avoidance opening is rectangular; the distance between the first avoidance opening wall and the second avoidance opening wall is larger than the thickness of the rope wheel.

4. The bottom pulley mounting structure according to claim 1, further comprising a reinforcement member provided with a notch having a size not smaller than that of the escape opening; the reinforcing member is arranged at the bottom of the car underframe boundary beam, and the notch is arranged corresponding to the avoidance opening of the car underframe boundary beam;

or the thickness of the bottom of the side beam of the car underframe is increased.

5. The bottom sheave mounting structure of claim 1, further comprising a support beam connected at a bottom portion thereof to the sheave assembly and at a top portion thereof to the underframe side beam.

6. The pulley mounting structure of claim 1, wherein the pulley assembly further comprises a central shaft, a pad rotatably coupled to the central shaft, a first anti-jump member mounted to the central shaft, and a second anti-jump member laterally disposed at a side of the pulley and having opposite ends coupled to the pad, respectively; the second anti-bouncing piece is vertically arranged at the bottom of the rope wheel, and two ends of the second anti-bouncing piece are respectively connected to the cushion block.

7. The bottom pulley mounting structure of claim 1, further comprising a dust guard disposed on a side of the bottom frame side beam.

8. The utility model provides a rope sheave mounting structure at bottom of sedan-chair, its characterized in that, rope sheave mounting structure at bottom of sedan-chair includes:

a diversion sheave assembly comprising a sheave; and

the car underframe boundary beam is arranged above the diversion sheave assembly and is connected with the diversion sheave assembly; under the condition of meeting the installation strength of the car underframe boundary beam, the width of the bottom of the car underframe boundary beam is reduced, so that the top of the rope wheel is higher than the bottom of the car underframe boundary beam.

9. A car comprising a car body and the floor sheave mounting structure according to any one of claims 1 to 8.

10. Elevator, characterized in that it comprises a car according to claim 9.

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