CN211419210U

CN211419210U - Overspeed governor overspeed device tensioner

Info

Publication number: CN211419210U
Application number: CN201921997389.6U
Authority: CN
Inventors: 曹平
Original assignee: Suzhou Wabote Intelligent Technology Co ltd
Current assignee: Suzhou Wabote Intelligent Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-04
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a overspeed governor overspeed device tensioner, including first connecting plate, take-up pulley, L type fixed plate, reinforcing plate, mounting panel, mounting hole, clamping spring, first slide, screw thread post, adjusting nut, second spout, second slide, second connecting plate, screw hole, wire rope, rope sheave and first spout. The device can be fixed on an inner frame of the elevator through the mounting hole, then the two tensioning wheels are directly clamped on two sides of the annular steel wire rope, and the tensioning wheels apply pressure to the steel wire rope to keep the tensioning force of the steel wire rope; the distance between the two tensioning wheels is adjusted by controlling the upper position of the adjusting nut on the threaded column, so that the tensioning force of the steel wire rope can be adjusted, the steel wire rope tensioning device can be suitable for elevators of different sizes to be used, a clamping spring is arranged between the second connecting plate and the L-shaped fixing plate, the steel wire rope can be buffered during working, and the protection effect is achieved.

Description

Overspeed governor overspeed device tensioner

Technical Field

The utility model relates to a overspeed device tensioner specifically is a overspeed device tensioner belongs to overspeed device governor application technology field.

Background

The elevator speed limiter is one of safety control components in an elevator safety protection system, and when the elevator in operation causes the car to overspeed and even to fall due to any reason and all other safety protection devices do not work, the speed limiter and the safety tongs perform linkage action to stop the elevator car; the overspeed governor safety gear system is the essential safety device of elevator, and when the elevator was overspeed, the operation was out of control or the linkage broke, the overspeed governor safety gear device stopped elevator car on the guide rail rapidly to keep quiescent condition, thereby avoid taking place casualties and equipment damage accident.

In prior art, the inside overspeed governor of elevator arouses inside wire rope's rate of tension to change easily after long-term work, and the not enough normal operating that can influence the elevator of tensile force has the potential safety hazard, and wire rope is great at the impact force that the during operation received, influences wire rope's life. Therefore, a governor tensioning device is proposed to address the above problems.

Disclosure of Invention

An object of the utility model is to provide a overspeed device tensioner just in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a speed limiter tensioning device comprises a mounting plate, a reinforcing plate, an L-shaped fixing plate, a tensioning wheel, a first connecting plate, an adjusting structure, a steel wire rope and a rope wheel which are sequentially arranged from top to bottom;

the adjusting structure comprises a first sliding chute, a second sliding chute, a threaded hole and a threaded column, the first sliding chute is arranged on the side face of one side of the L-shaped fixing plate, a first sliding plate is clamped inside the first sliding chute, the second sliding chute is arranged on the side face of one side of the first connecting plate, and a second sliding plate is clamped inside the second sliding chute; a second connecting plate is fixedly connected between the first sliding plate and the second sliding plate, the threaded hole is formed in the end face of one end of the L-shaped fixing plate, the threaded column is in threaded connection with the threaded hole, and the tail end of the threaded column is fixedly connected with the outer side face of the second connecting plate; the L-shaped fixing plate is internally provided with a clamping spring which is sleeved on the surface of the threaded column, the outer side of the L-shaped fixing plate is provided with an adjusting nut, and the adjusting nut is screwed with the surface of the threaded column.

Preferably, the equal rigid coupling in both ends of first connecting plate has the mounting panel, open the surface of mounting panel has the mounting hole, just first connecting plate with the rigid coupling has between the mounting panel the reinforcing plate.

Preferably, the first sliding plate and the second sliding plate are both in a Chinese character 'zhong' shape, and the structures of the first sliding plate and the second sliding plate are the same.

Preferably, the tension wheel is located between the first sliding plate and the second sliding plate, and is rotatably connected to both the first sliding plate and the second sliding plate.

Preferably, the steel wire rope is clamped between the two tension pulleys, and the steel wire rope is sleeved on the surface of the rope pulley.

Preferably, one end of each L-shaped fixing plate is fixedly connected with the side face of the first connecting plate, and the number of the L-shaped fixing plates is two and the L-shaped fixing plates are symmetrically distributed on one side of the first connecting plate.

The utility model has the advantages that:

1. the device can be fixed on the inner frame of the elevator through the mounting hole, two tensioning wheels are directly clamped on two sides of the annular steel wire rope, and the tensioning wheels apply pressure to the steel wire rope to keep the tensioning force of the steel wire rope, so that the device is simple in structure and is simpler in use;

2. the utility model discloses a distance between two take-up pulleys is adjusted to the upper position of control adjusting nut at the screw thread post to can adjust wire rope's tensile force, can also be applicable to the elevator of equidimension not and use simultaneously, and be equipped with clamping spring between second connecting plate and L type fixed plate, can make wire rope during operation obtain certain buffering, played the guard action.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a first connecting plate of the present invention;

fig. 3 is a connection diagram of the first connection plate and the L-shaped fixing plate of the present invention.

In the figure: 1. the device comprises a first connecting plate, a tensioning wheel, a 3, an L-shaped fixing plate, a 4, a reinforcing plate, a 5, a mounting plate, a 6, a mounting hole, a 7, a clamping spring, a 8, a first sliding plate, a 9, a threaded column, a 10, an adjusting nut, a 11, a second sliding groove, a 12, a second sliding plate, a 13, a second connecting plate, a 14, a threaded hole, a 15, a steel wire rope, a 16, a rope pulley, a 17 and a first sliding groove.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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 belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", 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.

Referring to fig. 1-3, a overspeed governor tensioning apparatus includes a mounting plate 5, a reinforcing plate 4, an L-shaped fixing plate 3, a tensioning wheel 2, a first connecting plate 1, an adjusting structure, a wire rope 15 and a rope sheave 16, which are sequentially installed from top to bottom;

the adjusting structure comprises a first sliding groove 17, a second sliding groove 11, a threaded hole 14 and a threaded column 9, wherein the first sliding groove 17 is formed in the side face of one side of the L-shaped fixing plate 3, a first sliding plate 8 is clamped in the first sliding groove 17, the second sliding groove 11 is formed in the side face of one side of the first connecting plate 1, and a second sliding plate 12 is clamped in the second sliding groove 11; a second connecting plate 13 is fixedly connected between the first sliding plate 8 and the second sliding plate 12, a threaded hole 14 is formed in the end face of one end of the L-shaped fixing plate 3, the threaded column 9 is in threaded connection with the threaded hole 14, and the tail end of the threaded column 9 is fixedly connected with the outer side face of the second connecting plate 13; the L-shaped fixing plate 3 is internally provided with a clamping spring 7, the clamping spring 7 is sleeved on the surface of the threaded column 9, the outer side of the L-shaped fixing plate 3 is provided with an adjusting nut 10, and the adjusting nut 10 is screwed with the surface of the threaded column 9.

The mounting plates 5 are fixedly connected to two ends of the first connecting plate 1, mounting holes 6 are formed in the surface of each mounting plate 5, the reinforcing plates 4 are fixedly connected between the first connecting plate 1 and the mounting plates 5, so that the device can be conveniently fixed at a proper position through the mounting plates 5, the first sliding plate 8 and the second sliding plate 12 are both in a Chinese character 'zhong' type structure, the structures of the first sliding plate 8 and the second sliding plate 12 are the same, and the first sliding plate 8 and the second sliding plate 12 are conveniently in sliding connection with the first sliding chute 17 and the second sliding chute 11 respectively; the tensioning wheels 2 are positioned between the first sliding plate 8 and the second sliding plate 12, and are rotatably connected with the first sliding plate 8 and the second sliding plate 12, so that the steel wire rope 15 is clamped between the two tensioning wheels 2; the steel wire rope 15 is clamped between the two tensioning wheels 2, and the steel wire rope 15 is sleeved on the surface of the rope pulley 16, so that the steel wire rope 15 is conveniently transmitted through the rope pulley 16 and the tensioning wheels 2; one end of each L-shaped fixing plate 3 is fixedly connected with the side face of the first connecting plate 1, and the number of the L-shaped fixing plates 3 is two, and the L-shaped fixing plates are symmetrically distributed on one side of the first connecting plate 1, so that the tensioning wheel 2 and the L-shaped fixing plates 3 can be conveniently installed.

When the device is used, the device is firstly fixed at a proper position in the elevator through the mounting hole 6 on the surface of the mounting plate 5, and then the two tensioning wheels 2 are respectively clamped at two sides of the steel wire rope 15, and at the moment, the two tensioning wheels 2 can apply tensioning force to the steel wire rope 15, so that the steel wire rope 15 is kept not to be loosened;

then, a spanner is used for rotating the adjusting nut 10, and the first sliding plate 8 and the second sliding plate 12 are respectively in sliding connection with the first sliding chute 17 and the second sliding chute 11, so that the second connecting plate 13 can be driven to move along the first sliding chute 17 and the second sliding chute 11 while the adjusting nut 10 is rotated, the position of the tensioning wheel 2 in the L-shaped fixing plate 3 is adjusted, the distance between the two tensioning wheels 2 is further adjusted, the purpose of adjusting the tensioning force of the steel wire rope 15 is achieved, and meanwhile, elevators of different models are practical; the surface of the threaded column 9 is also provided with the clamping spring 7, when the steel wire rope 15 works, the clamping spring 7 can play a certain buffering role on the steel wire rope 15, and the influence on the service life of the steel wire rope 15 due to overlarge tension force is avoided.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A overspeed governor overspeed device tensioner which characterized in that: the device comprises a mounting plate (5), a reinforcing plate (4), an L-shaped fixing plate (3), a tensioning wheel (2), a first connecting plate (1), an adjusting structure, a steel wire rope (15) and a rope wheel (16) which are sequentially mounted from top to bottom;

the adjusting structure comprises a first sliding groove (17), a second sliding groove (11), a threaded hole (14) and a threaded column (9), the first sliding groove (17) is formed in the side face of one side of the L-shaped fixing plate (3), a first sliding plate (8) is clamped in the first sliding groove (17), the second sliding groove (11) is formed in the side face of one side of the first connecting plate (1), and a second sliding plate (12) is clamped in the second sliding groove (11); a second connecting plate (13) is fixedly connected between the first sliding plate (8) and the second sliding plate (12), a threaded hole (14) is formed in the end face of one end of the L-shaped fixing plate (3), the threaded column (9) is in threaded connection with the threaded hole (14), and the tail end of the threaded column (9) is fixedly connected with the lateral side of the outer side of the second connecting plate (13); the L-shaped fixing plate (3) is internally provided with a clamping spring (7), the clamping spring (7) is sleeved on the surface of the threaded column (9), the outer side of the L-shaped fixing plate (3) is provided with an adjusting nut (10), and the adjusting nut (10) is screwed on the surface of the threaded column (9).

2. A governor tensioning device as defined in claim 1, wherein: the equal rigid coupling in both ends of first connecting plate (1) has mounting panel (5), open on the surface of mounting panel (5) has mounting hole (6), just first connecting plate (1) with the rigid coupling has between mounting panel (5) reinforcing plate (4).

3. A governor tensioning device as defined in claim 1, wherein: the first sliding plate (8) and the second sliding plate (12) are both in a Chinese character 'Zhongzi' structure, and the structures of the first sliding plate and the second sliding plate are the same.

4. A governor tensioning device as defined in claim 1, wherein: the tensioning wheel (2) is located between the first sliding plate (8) and the second sliding plate (12), and is in rotating connection with the first sliding plate (8) and the second sliding plate (12).

5. A governor tensioning device as defined in claim 1, wherein: the steel wire rope (15) is clamped between the two tensioning wheels (2), and the steel wire rope (15) is sleeved on the surface of the rope wheel (16).

6. A governor tensioning device as defined in claim 1, wherein: one end of each L-shaped fixing plate (3) is fixedly connected with the side face of the first connecting plate (1), and the number of the L-shaped fixing plates (3) is two and the L-shaped fixing plates are symmetrically distributed on one side of the first connecting plate (1).