CN211056483U

CN211056483U - Reel-biased rope-falling-preventing indoor elevator

Info

Publication number: CN211056483U
Application number: CN201921186067.3U
Authority: CN
Inventors: 李长明; 朱小云; 车超超; 丁明芳; 李少弘; 焦玉
Original assignee: Shandong Bunse Elevator Co ltd
Current assignee: Shandong Bunse Elevator Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-07-21
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to an indoor elevator field, in particular to reel off-set anticreep rope indoor elevator, it includes that the top has central zone's car, include: the middle section of the fixed beam is hinged with the central area of the top of the lift car; the two reversing pulleys are respectively arranged at two ends of the fixed beam; the lifting piece is connected with the fixed beam and comprises a reel and a cable, the reel is arranged between the two reversing pulleys, the cable is rotated by the two reversing pulleys to extend backwards and upwards, and the reel deviates from the central area; anticreep piece has the anticreep portion parallel with reel axis direction, and minimum distance between anticreep portion and the grooving edge is less than the external diameter of hawser, the utility model discloses can be through with the reel biasing, provide the sufficient installation space of drive reel pivoted motor, moreover, through set up the grooving on the reel and set up anticreep piece, can effectually prevent hawser horizontal migration on the reel, can guarantee the normal operation of elevator, the effectual existing problem of having solved among the prior art.

Description

Reel-biased rope-falling-preventing indoor elevator

Technical Field

The utility model relates to an indoor elevator field, in particular to reel off-set rope-preventing indoor elevator.

Background

The indoor elevator is used as a small elevator for household, and is particularly widely applied to villas with 2-3 floors. In view of the fact that the space occupied by an elevator car cannot be too large, an elevator car is generally provided with a hoistway-free vertical guide rail between floors, and the drive unit of the elevator moves together with the car of the elevator. Specifically, a motor is used for driving a winding drum to wind and unwind two mooring ropes wound on two pulleys to realize the lifting of the indoor elevator. In the existing indoor elevator, two pulleys are symmetrically fixed on the top of a car, a reel is arranged in the middle area of the top of the car, and the size of the household small electric car is often small, and an output shaft of a motor is approximately positioned at the reel, so that the motor needs to be installed on one side of the middle area of the top of the car, the installation space of the motor is small, and the motor is difficult to install; moreover, when the cable is wound on the reel, the reel has a certain length and is close to the reversing pulley, so that the angle change of the cable is large, the cable can easily move horizontally on the reel, and the cable can easily separate from the normal position on the reel.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reel off-set anticreep rope indoor elevator can be through with the reel off-set, provides the sufficient installation space of drive reel pivoted motor, moreover, through set up the grooving on the reel and set up anticreep spare, can effectually prevent hawser horizontal migration on the reel, can guarantee the normal operation of elevator, the effectual problem that exists of having solved among the prior art.

In order to solve the above problem, the utility model provides an indoor elevator of off-line rope that reel is off-set, have central zone's car including the top, include: the middle section of the fixed beam is hinged with the central area of the top of the car; the two reversing pulleys are respectively arranged at two ends of the fixed beam; the lifting piece is connected with the fixed beam and comprises a reel with a rope groove and a cable wound on the reel, the reel is arranged between the two reversing pulleys, the cable is rotated by the two reversing pulleys to extend backwards and upwards, and the reel is deviated from the central area; the anti-falling part is connected with the fixed beam and provided with an anti-falling part parallel to the axial direction of the reel, and the minimum distance between the anti-falling part and the edge of the rope groove is smaller than the outer diameter of the cable.

Furthermore, the anti-falling part is of a substantially vertical plate-shaped structure, and the anti-falling part further comprises a horizontal plate connected with the fixed beam and a rib plate arranged between the anti-falling part and the horizontal plate.

Further, one end of the cable extends from the upper side of the reel to the reversing pulley far away from the reel, and the other end of the cable extends from the lower side of the reel to the reversing pulley near the reel.

Furthermore, the anti-falling piece is arranged on one side of the reel, which faces away from the reversing pulley of the reel.

Furthermore, two anti-falling parts are arranged, and the two anti-falling parts are respectively arranged on two sides of the reel; in the anti-drop part between the reversing pulley close to the reel and the reel, a through groove for the cable to pass through is formed in the anti-drop part.

Furthermore, a connecting line of the two reversing pulleys approximately bisects the reel.

Further, the axis of the reel is offset relative to the direction perpendicular to the line connecting the two reversing pulleys, so that the direction of the cable entering the rope groove is the same as the inclination direction of the outer edge of the rope groove at the corresponding position.

Further, the reversing pulley is hinged to the fixed beam about a vertical axis so that the reversing pulley can be oriented in a direction in which the cable enters the rope groove.

Further, the vertical axis is coaxial with the portion of the cable that extends vertically.

Furthermore, the lifting piece further comprises a gearbox and a motor, wherein the gearbox and the motor are connected with the fixed beam, an output shaft of the gearbox is coaxially connected with the reel, an input shaft of the gearbox is perpendicular to an axis of the reel, and the motor is arranged on one side, facing away from the reversing pulley of the reel, of the gearbox.

The beneficial effects of the utility model reside in that, the utility model provides a reel biased anticreep rope indoor elevator can be through biasing the reel, provides the sufficient installation space of drive reel pivoted motor, moreover, through set up the grooving on the reel and set up anticreep spare, can effectually prevent hawser horizontal migration on the reel, can guarantee the normal operation of elevator, the effectual problem that exists of having solved among the prior art.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view of the engagement structure of the reel and the anti-slip member in the embodiment shown in fig. 1.

Fig. 4 is a partial top view of the embodiment of fig. 1 at the lifting member.

Wherein: 1. a fixed beam; 2. a car; 3. a diverting pulley; 4. coiling; 5. a cable; 6. rope grooves; 7. a drop-off prevention member; 701. an anti-drop part; 702. a horizontal plate; 703. a rib plate; 8. a gearbox; 9. an electric motor.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those 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.

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; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. 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. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, as shown in fig. 1 to 4, there is provided a reel-biased anti-roping indoor elevator, including a car 2 having a center area at the top, comprising: the middle section of the fixed beam 1 is hinged with the central area of the top of the car 2; the two reversing pulleys 3 are respectively arranged at two ends of the fixed beam 1; a lifting member connected to the fixed beam 1, including a reel 4 having a rope groove 6, a cable 5 wound around the reel 4, the reel 4 being disposed between two diverting pulleys 3, the cable 5 being extended upward after being diverted by the two diverting pulleys 3, the reel 4 being offset from the central area; and a retaining member 7 connected to the fixed beam 1 and having a retaining portion 701 parallel to the axial direction of the reel 4, wherein the minimum distance between the retaining portion 701 and the edge of the rope groove 6 is smaller than the outer diameter of the rope 5.

The utility model discloses an indoor elevator for the convenience of installation drive carousel pivoted motor 9, with the skew central region of reel 4 for reel 4 is close to one of them switching-over pulley 3, makes motor 9 can install in one side of reel 4 towards another switching-over pulley 3, thereby provides sufficient space for the installation of motor 9. Because the reel 4 is offset at the midpoint of the connecting line of the two reversing pulleys 3, the lengths of the cables 5 on the two sides of the reel 4 are different, and further, under the action of the load of the car 2, the lengths of the cables 5 on the two sides of the reel 4 are different in deformation, so that the car 2 is easy to skew. In order to solve the problem, the fixed beam 1 which is rotationally connected with the car 2 is arranged, the reversing pulley 3 is arranged on the fixed beam 1, then when the length deformation of the mooring ropes 5 on two sides of the reel 4 is different, the fixed beam 1 can rotate relative to the car 2, further the fixed beam 1 can rotate to adapt to the difference of the length variation of the mooring ropes 5 on two sides of the reel 4, and meanwhile, the guide wheel of the car 2 is matched with the sliding rail of the elevator in the middle, so that the car 2 is kept approximately balanced.

Wherein, in order to make hawser 5 can follow grooving 6 and coil on reel 4, prevent that hawser 5 from moving in the horizontal direction, in the utility model discloses in, through setting up grooving 6 on reel 4. In order to further prevent the cable 5 from moving in the horizontal direction, the utility model discloses anti-disengaging piece 7 has still been provided, can restrict cable 5 through anti-disengaging portion 701 for cable 5 can be along the outside of grooving 6 coiling at reel 4, and then can make the orderly the going on of going up and down of car 2.

It should be noted that the center area of the car 2 mentioned in the above is the geometric center of the top of the car 2, for example, as shown in the figure, the car is square, and the center area is the intersection of the facing diagonal lines of the top of the car.

In a preferred embodiment, the retaining member 7 may be configured such that the retaining member 701 has a substantially vertical plate-like structure, and the retaining member 7 further includes a horizontal plate 702 connected to the fixing beam 1, and a rib plate 703 disposed between the retaining member 701 and the horizontal plate 702. Wherein, through setting up horizontal plate 702 on fixed beam 1, can be so that reel 4 can with anticreep piece 7 synchronous rotation, moreover, through setting up gusset 703, can be so that anticreep piece 7 stable in structure, prevent that anticreep portion 701 from removing relative horizontal plate 702.

The retaining member 7 may have another form, for example, the retaining portion 701 may be an arc-plate-shaped retaining portion 701 provided on the outside of the reel 4, and the retaining portion 701 may be provided with a rope hole through which the rope 5 passes.

More specifically, as shown in fig. 1 and 2, one end of the cable 5 extends from the upper side of the reel 4 to the diverting pulley 3 away from the reel 4, and the other end of the cable 5 extends from the lower side of the reel 4 to the diverting pulley 3 close to the reel 4. Thereby, the maximum inclination angle of the cable 5 in the vertical direction can be reduced, and the force applied to the reel 4 in the vertical direction can be reduced.

In the embodiment shown in fig. 2, further in particular, the anti-slip means 7 are arranged on the side of the reel 4 facing away from the diverting pulley 3 of the reel 4. Because the inclination angle on the hawser 5 horizontal direction between reel 4 and the switching-over pulley 3 that is nearer apart from is great, hawser 5 at this department is horizontal migration more easily when coiling, through so setting up, can make the hawser 5 of this department when coiling to reel 4, anticreep piece 7 can be close to hawser 5 and get into grooving 6 department, can have good restriction effect.

Of course, in an alternative embodiment, it is also possible to provide two anti-slip elements 7, two anti-slip elements 7 being provided on each side of the reel 4; in retaining member 7 between diverting pulley 3 and reel 4 near reel 4, retaining portion 701 is formed with a through groove through which cable 5 passes.

More specifically, the line connecting the two diverting pulleys 3 substantially bisects the reel 4.

A further optimization is that the axis of the reel 4 is offset with respect to the direction perpendicular to the line connecting the two diverting pulleys 3 so that the direction of entry of the cable 5 into the rope groove 6 is the same as the direction of inclination of the outer edge of the rope groove 6 at the corresponding location.

As shown in figure 4, the left reversing pulley 3 is closer to the reel 4, the cable 5 led out from the left reversing pulley 3 is wound at one end, close to the gearbox 8, of the reel 4, the end, facing the gearbox 8, of the reel 4 is biased leftwards and inclined, through the arrangement, the axis of the reel 4 is inclined, and then when the cable 5 at the position enters the rope groove 6, the included angle between the cable 5 and the outer edge of the rope groove 6 is smaller, and the cable 5 is further prevented from being pulled out of the rope groove 6. Moreover, as shown in fig. 4, by arranging the reel 4 in such a manner that the end of the motor 9 far from the center area can be far away from the fixed beam 1 when the motor 9 is installed, it is possible to adapt to installation of not only the motor 9 of a long length but also the structural components on the top of the car 2.

Note that, the phrase "the direction in which the cable 5 enters the rope groove 6 is the same as the inclination direction of the outer edge of the rope groove 6 at the corresponding position" means that the inclination direction of the cable 5 entering the rope groove 6 with respect to the fixed beam 1 is the same as the inclination direction of the outer edge of the rope groove 6 at the corresponding position with respect to the fixed beam 1, and does not refer to the inclination angle of the cable 5 entering the rope groove 6 with respect to the fixed beam 1, and the inclination angle of the edge of the rope groove 6 at the corresponding position with respect to the fixed beam 1 is the same.

A further optimization is that the diverting pulley 3 is hinged with the fixed beam 1 about a vertical axis so that the diverting pulley 3 can be turned in the direction of the rope 5 entering the rope groove 6. Specifically, as shown in the figure, the reversing pulley 3 is provided with a pulley support, the pulley support is connected with the solid beam in a rotating manner, and by means of the arrangement, when the reel 4 winds the cable 5, the reversing pulley 3 rotates, so that the cable 5 can be prevented from abutting against the rim of the reversing pulley 3, and the cable 5 can be prevented from being separated from the reversing pulley 3.

A further optimization is that the vertical axis is coaxial with the portion of the cable 5 that extends vertically. Therefore, when the whole reversing pulley 3 rotates around a vertical axis, the upward extending direction of the cable 5 can rotate coaxially with the reversing pulley 3, the upward extending part of the cable 5 is prevented from moving in the horizontal direction, the cable 5 can be prevented from falling off the reversing pulley 3, and the stability of the vertical extending part of the cable 5 is maintained.

Further specifically speaking, the lifting member further comprises a gearbox 8 and a motor 9 which are connected with the fixed beam 1, an output shaft of the gearbox 8 is coaxially connected with the reel 4, an input shaft of the gearbox 8 is perpendicular to an axis of the reel 4, and the motor 9 is arranged on one side of the reversing pulley 3, facing away from the reel 4, of the gearbox 8.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A spool-biased, roping free, indoor elevator comprising a car having a top with a central area, comprising:

the middle section of the fixed beam is hinged with the central area of the top of the car;

the two reversing pulleys are respectively arranged at two ends of the fixed beam;

the lifting piece is connected with the fixed beam and comprises a reel with a rope groove and a cable wound on the reel, the reel is arranged between the two reversing pulleys, the cable is rotated by the two reversing pulleys to extend backwards and upwards, and the reel is deviated from the central area;

the anti-falling part is connected with the fixed beam and provided with an anti-falling part parallel to the axial direction of the reel, and the minimum distance between the anti-falling part and the edge of the rope groove is smaller than the outer diameter of the cable.

2. The reel-biased anti-drop rope indoor elevator as claimed in claim 1, wherein the anti-drop part is a substantially vertical plate-shaped structure, and the anti-drop member further comprises a horizontal plate connected to the fixed beam, and a rib plate disposed between the anti-drop part and the horizontal plate.

3. The spool-biased anti-roping indoor elevator of claim 2, wherein one end of the cable extends from the upper side of the spool away from the diverting pulley of the spool and the other end of the cable extends from the lower side of the spool toward the diverting pulley near the spool.

4. The spool-biased anti-roping indoor elevator of claim 3, wherein the anti-roping is disposed on the side of the spool facing away from the reversing sheave of the spool.

5. The reel-biased anti-drop rope indoor elevator as claimed in claim 3, wherein there are two anti-drop members, and the two anti-drop members are respectively disposed on both sides of the reel; in the anti-drop part between the reversing pulley close to the reel and the reel, a through groove for the cable to pass through is formed in the anti-drop part.

6. The spool-biased, anti-roping indoor elevator of claim 1 wherein the line connecting the diverting pulleys substantially bisects the spool.

7. The spool-biased anti-roping indoor elevator as claimed in claim 1, wherein the axis of the spool is biased with respect to the direction perpendicular to the line connecting the two diverting pulleys so that the direction in which the rope enters the rope groove is the same as the direction in which the outer edge of the rope groove is inclined at the corresponding position.

8. The reel-biased, anti-roping indoor elevator of claim 7, wherein the diverting sheave is hinged about a vertical axis to the fixed beam so that the diverting sheave can be oriented in the direction of the rope entering the rope groove.

9. The spool-biased, anti-roping indoor elevator of claim 8, wherein the vertical axis is coaxial with the portion of the cable that extends vertically.

10. The reel-biased anti-roping indoor elevator as claimed in claim 1, wherein said hoisting member further comprises a transmission case and a motor connected to said fixed beam, an output shaft of said transmission case is coaxially connected to said reel, an input shaft of said transmission case is perpendicular to an axis of said reel, and said motor is disposed on a side of said transmission case facing away from a diverting pulley of said reel.