CN218174314U

CN218174314U - Anti-deviation structure of elevator car diversion sheave

Info

Publication number: CN218174314U
Application number: CN202123217324.5U
Authority: CN
Inventors: 王锦章; 侯胜欣; 解正新
Original assignee: Shanghai Jiangling Electromechanical Co ltd
Current assignee: Shanghai Jiangling Electromechanical Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-12-30
Anticipated expiration: 2031-12-20

Abstract

The application relates to an elevator car diverting pulley anti-deviation structure relates to elevator equipment's field, and it includes the limiting plate, limiting plate fixed connection in the upper beam, and the groove of dodging has been seted up to one side of limiting plate, and the axis of rotation is located the inslot of dodging, and one side that the upper beam was kept away from to the limiting plate is provided with the gear, and the axis of rotation is provided with tooth, tooth and gear intermeshing in gear department. The application has the effect of reducing the diversion probability of the diversion sheave.

Description

Anti-deviation structure of elevator car diversion sheave

Technical Field

The application relates to the field of elevator equipment, in particular to an anti-deviation structure of a diversion sheave of an elevator car.

Background

An elevator is a vertical elevator powered by an electric motor, equipped with a box-like car for carrying passengers or goods in a multi-story building, and is a stationary type of lifting equipment serving a predetermined floor. Wherein, the output and the transmission power mainly depend on a traction machine system.

In the related technology, a traction machine system mainly comprises a traction machine, a traction steel wire rope, a guide wheel and a diversion sheave. The rotating shaft of the diversion sheave is fixed on the bottom side of the upper beam of the lift car through a U-shaped bolt, and two diversion sheaves are horizontally arranged on the upper beam at intervals. When the elevator runs, the diversion sheave and the guide wheel respectively rotate, so as to drive the lift car to move.

With respect to the related art in the above, the inventors consider that: when the diverting pulley rotates, the angle of the steel wire rope can be changed, and the diverting pulley is easy to follow to generate displacement, so that the upper beam or the U-shaped bolt on the upper beam is deformed, and the defect that the safety of the elevator is influenced exists.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the diverting pulley takes place the skew, improve the security of elevator, this application provides elevator car diverting pulley anti-deviation structure.

The application provides a pair of elevator car diversion sheave prevents inclined to one side structure adopts following technical scheme:

elevator car diversion sheave prevents inclined to one side structure, including the limiting plate, limiting plate fixed connection is in the upper beam, one side of limiting plate has been seted up and has been dodged the groove, and the axis of rotation is located dodge the inslot, one side that the upper beam was kept away from to the limiting plate is provided with the gear, the axis of rotation in gear department is provided with tooth, tooth with gear intermeshing.

By adopting the technical scheme, in the running process of the elevator, the rotating shaft is abutted against the avoidance groove, so that the purpose of limiting the position of the rotating shaft is realized, meanwhile, the rotating shaft drives the gear to rotate through the mutual meshing of the gear and the teeth, and the gear reacts on the rotating shaft after rotating, so that the rotating shaft can rotate stably more conveniently, and the position of the rotating shaft is limited indirectly; thereby realizing the purpose of reducing the deflection probability of the diversion sheave.

Preferably, one side of the limiting plate far away from the upper beam is provided with an elastic pad, and the elastic pad is close to one side of the avoidance groove is abutted to the rotating shaft.

By adopting the technical scheme, the elastic pad is abutted against the rotating shaft, so that the friction force between the elastic pad and the rotating shaft is increased, and the position of the rotating shaft is more conveniently limited; meanwhile, due to the arrangement of the elastic cushion, vibration and noise generated by the rotating shaft in the running process of the elevator can be reduced.

Preferably, the limiting plate is fixedly connected to the upper beam through a first fixing bolt, and the elastic pad is sequentially and fixedly connected to the limiting plate and the upper beam through a second fixing bolt.

Through adopting above-mentioned technical scheme, first fixing bolt restriction limiting plate is for the position of upper beam, and second fixing bolt shows simultaneously the position of cushion and limiting plate for the upper beam, makes the limiting plate more stable on the one hand, and on the other hand reduces the use cost of cushion, considers the wearing and tearing of cushion to be faster than the limiting plate usually simultaneously, and the cushion of damage is convenient for change to above-mentioned structure.

Preferably, set up tension assembly between the axis of rotation, tension assembly includes the tension bar, the both ends of tension bar rotate respectively and connect in the one end of axis of rotation.

By adopting the technical scheme, the position of the rotating shaft is further limited by the tension provided by the tension rod, and the stability of the rotating shaft is improved; meanwhile, the tension rod can reduce abrasion to the U-shaped bolt in the rotating process of the rotating shaft.

Preferably, one side of the two ends of the tension rod, which is close to the upper beam, is provided with a rotating hole, and the rotating shaft penetrates through and is rotatably connected in the rotating hole.

Through adopting above-mentioned technical scheme, through the axis of rotation with rotate the hole be connected, realize that the axis of rotation is connected with the rotation between the tension bar, the normal operating of the axis of rotation of being convenient for.

Preferably, a rotary bearing is arranged in the rotary hole, and the rotary shaft is rotatably connected to an inner wheel of the rotary bearing.

Through adopting above-mentioned technical scheme, through the setting of bearing, increase the smoothness nature of rotating between axis of rotation and the tension bar and be connected, reduce the probability that produces the interference to elevator normal operating.

Preferably, a stabilizing rod is fixed between one side of the tension rod close to the upper beam and the upper beam.

Through adopting above-mentioned technical scheme, increase the stability of tension bar to increase the stability of being connected between axis of rotation and the tension bar.

Preferably, the both ends of tension bar all are provided with the arc, the convex surface and the tension bar fixed connection of arc, axis of rotation butt and rotate connect in the concave surface of arc.

Through adopting above-mentioned technical scheme, tension bar provides tension, can restrict the position of axis of rotation, does not hinder the normal rotation of axis of rotation simultaneously to ensure the stability of axis of rotation.

In summary, the present application includes at least one of the following beneficial technical effects:

in the running process of the elevator, the rotating shaft is abutted against the avoidance groove, so that the purpose of limiting the position of the rotating shaft is realized, and meanwhile, the rotating shaft is more convenient to stably rotate and indirectly limits the position of the rotating shaft through mutual meshing of the gear and the teeth; thereby realizing the purpose of reducing the deviation probability of the diversion sheave;

the position of the rotating shaft is further limited by the tension provided by the tension rod, and the stability of the rotating shaft is improved; meanwhile, the tension rod can reduce abrasion to the U-shaped bolt in the rotating process of the rotating shaft.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the structure of the elastic pad according to the embodiment of the present application;

FIG. 3 is a first schematic view of a tension assembly according to an embodiment of the present disclosure;

fig. 4 is a second structural view illustrating a tension assembly according to an embodiment of the present disclosure.

Description of the drawings: 10. an upper beam; 20. a rotating shaft; 1. a limiting plate; 11. an avoidance groove; 12. teeth; 2. a gear; 3. an elastic pad; 31. an arc-shaped slot; 4. a first fixing bolt; 5. a second fixing bolt; 6. a tension assembly; 61. a tension bar; 611. rotating the hole; 612. an arc-shaped plate; 62. a rotating bearing; 63. a stabilizer bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses elevator car diversion sheave prevents inclined to one side structure. Referring to fig. 1, the deflection preventing structure of the elevator car comprises a two-way limiting plate 1 fixedly connected to one side of an upper beam 10, and the two-way limiting plate 1 is provided because two rotating shafts 20 are provided.

Avoidance grooves 11 are formed in the sides, away from each other, of the two limiting plates 1, the rotating shaft 20 of the diverting pulley is located in the avoidance grooves 11, the rotating shaft 20 abuts against the side walls of the avoidance grooves 11, and meanwhile the avoidance grooves 11 do not interfere with the rotation of the rotating shaft 20.

In order to stabilize the position of the rotating shaft 20, a gear 2 is rotatably connected to one side of the limiting plate 1 away from the upper beam 10, a ring of teeth 12 are arranged on the rotating shaft 20 at the gear 2, and the teeth 12 and the gear 2 are meshed with each other; when the rotating shaft 20 rotates, the gear 2 rotates along with the rotating shaft 20, and the rotation of the gear 2 can react to the rotating shaft 20; the position of the rotating shaft 20 is stabilized due to the reverse restriction of the gear 2.

The number of the gears 2 meshed with each limiting plate 1 can be increased according to the use condition, and can be set to be one or multiple.

Example 1:

referring to fig. 1 and 2, one side of the limiting plate 1 away from the upper beam 10 is provided with an elastic pad 3, the elastic pad 3 can be a pad made of elastic materials such as rubber pads, the elastic pad 3 is provided with an arc-shaped groove 31 at the avoiding groove 11, and the elastic pad 3 abuts against the rotating shaft 20 at the bottom wall of the arc-shaped groove 31.

Because the gear 2 is arranged in the embodiment of the application, in order to avoid the part of the rotating shaft 20, which is provided with the teeth 12, the elastic pad 3 is inwards sunken close to the teeth 12 to form a step shape, so that the teeth 12 of the rotating shaft 20 can rotate conveniently, and the normal operation of the elevator can be ensured.

In practical application, referring to fig. 1, in order to stabilize the position of the limiting plate 1 relative to the upper beam 10, the limiting plate 1 is fixedly connected with the upper beam 10 through a first fixing bolt 4; and because the cushion 3 is mainly used for abutting against the rotating shaft 20, the area of the cushion 3 can be smaller than that of the limiting plate 1, and in the embodiment of the present application, the cushion 3 is sequentially and fixedly connected to the limiting plate 1 and the upper beam 10 through the second fixing bolt 5.

Through the setting of first fixing bolt 4 and second fixing bolt 5, can stabilize the position of limiting plate 1, if the cushion 3 takes place the condition that needs to be changed such as damaged, only need dismantle second fixing bolt 5, the difficult stability that influences limiting plate 1 simultaneously.

The implementation principle of the embodiment 1 is as follows: when the elevator runs, the diversion sheave needs to rotate, the rotating shaft 20 rotates at the moment, the rotation of the rotating shaft 20 drives the gear 2 to rotate, and the gear 2 reacts on the rotating shaft 20 after rotating to limit the position of the rotating shaft 20; meanwhile, the rotating shaft 20 is attached to the elastic pad 3, so that the purpose of limiting the position of the rotating shaft 20 is further achieved; thereby realizing the purpose of reducing the deflection probability of the diversion sheave.

Example 2:

the present embodiment is different from embodiment 1 in that, referring to fig. 3 and 4, a tension member 6 is disposed between the two rotating shafts 20, and the tension member 6 is used for tensioning the rotating shafts 20, and the tension directions thereof are respectively towards the sides of the two rotating shafts 20 away from each other; while the tension assembly 6 needs to ensure that normal rotation of the rotating shaft 20 is not impeded.

Specifically, the tension assembly 6 includes a tension rod 61, the tension rod 61 is disposed in an approximately cylindrical shape, and two ends of the tension rod 61 are respectively rotatably connected to one end of the rotating shaft 20.

The rotational connection between the rotational shaft 20 and the tension rod 61 can be realized in various ways.

Referring to fig. 3, in an embodiment, rotation holes 611 are formed at both ends of the tension rod 61 near one side of the upper beam 10, in the embodiment of the present invention, the rotation shaft 20 is inserted into the rotation holes 611 and rotatably connected to the rotation holes 611, and when the rotation shaft 20 rotates, the tension rod 61 does not displace when it is relatively stationary.

Further, the rotation hole 611 may be provided through the tension rod 61 or may not be provided through the tension rod 61, but it is necessary to ensure that the rotation shaft 20 is not easily detached from the tension rod 61.

In order to facilitate the rotation of the rotation shaft 20 in the rotation hole 611, a rotation shaft 20 bearing 62 may be fixedly coupled in the rotation hole 611, and the rotation shaft 20 is rotatably coupled to the inner ring of the rotation shaft 20 bearing 62; wherein the connection between the rotating hole 611 and the rotating shaft 20 bearing 62 can be fixed by interference fit, gluing, welding, etc.

Referring to fig. 3, in another embodiment, a stabilizer bar 63 is fixedly connected to a side of the tension rod 61 close to the upper beam 10, and an end of the stabilizer bar 63 far from the tension rod 61 is fixedly connected to the upper beam 10, so as to limit the position of the tension rod 61 relative to the upper beam 10.

Referring to fig. 4, in another embodiment, the two ends of the tension rod 61 may be provided with arc plates 612, and since the rotating shaft 20 is approximately cylindrical, the rotating shaft 20 abuts against and is rotatably connected to the concave surfaces of the arc plates 612; at this time, the convex surface of the arc-shaped plate 612 is fixedly connected with the tension rod 61, and for convenience of production and manufacture, the arc-shaped plate can be integrally formed and can also be connected by fixed connection modes such as welding, gluing and splicing.

To secure the position of the tension rod 61, the length of the arcuate plate 612 may be greater than a semicircle, such as a 3/4 circle, 4/5 circle, or other dimension; the opening is provided to alleviate the movement of the rotating shaft 20. Or the position is restricted by the stabilizer bar 63.

Further, the arc plate 612 may also be configured as a ring, and the specific shape is selected or adjusted according to the use requirement.

The implementation principle of the embodiment 2 is as follows: the difference from embodiment 1 is that the tension rod 61 maintains the relative position between the two rotating shafts 20, thereby achieving the purpose of reducing the deflection probability of the diverting pulleys.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Elevator car diversion sheave prevents inclined to one side structure, a serial communication port, including limiting plate (1), limiting plate (1) fixed connection is in entablature (10), one side of limiting plate (1) has been seted up and has been dodged groove (11), and axis of rotation (20) are located dodge in groove (11), one side that entablature (10) were kept away from in limiting plate (1) is provided with gear (2), axis of rotation (20) in gear (2) department is provided with tooth (12), tooth (12) with gear (2) intermeshing.

2. The anti-deviation structure of the elevator car diversion sheave according to claim 1, wherein a resilient pad (3) is provided on a side of the stopper plate (1) away from the upper beam (10), and a side of the resilient pad (3) close to the avoidance groove (11) abuts against the rotation shaft (20).

3. The elevator car diverting pulley deflection-preventing structure according to claim 2, wherein the limiting plate (1) is fixedly connected to the upper beam (10) through a first fixing bolt (4), and the elastic pad (3) is sequentially fixedly connected to the limiting plate (1) and the upper beam (10) through a second fixing bolt (5).

4. The anti-deviation structure of the elevator car pulley according to claim 1, wherein a tension assembly (6) is disposed between the rotating shafts (20), the tension assembly (6) comprises a tension rod (61), and both ends of the tension rod (61) are rotatably connected to one end of the rotating shafts (20), respectively.

5. The anti-deviation structure of the elevator car diversion sheave of claim 4, wherein a rotation hole (611) is formed in one side of each of two ends of the tension rod (61) close to the upper beam (10), and the rotation shaft (20) penetrates through and is rotatably connected in the rotation hole (611).

6. The deflection preventing structure of a diverting pulley of an elevator car according to claim 5, wherein a rotating bearing (62) is provided in the rotating hole (611), and the rotating shaft (20) is rotatably connected to an inner wheel of the rotating bearing (62).

7. The deflection preventing structure of a diverting pulley of an elevator car according to claim 4, wherein a stabilizer bar (63) is fixed between the upper beam (10) and a side of the tension rod (61) close to the upper beam (10).

8. The elevator car diverting pulley deviation-preventing structure of claim 4, characterized in that the two ends of the tension rod (61) are provided with arc-shaped plates (612), the convex surface of the arc-shaped plate (612) is fixedly connected with the tension rod (61), and the rotating shaft (20) is abutted and rotatably connected with the concave surface of the arc-shaped plate (612).