CN218754370U

CN218754370U - Anti-loosening mechanism of elevator

Info

Publication number: CN218754370U
Application number: CN202223376336.7U
Authority: CN
Inventors: 钟志兵; 路保东
Original assignee: Zhejiang Jinxi Electromechanical Technology Co ltd
Current assignee: Zhejiang Jinxi Electromechanical Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-28
Anticipated expiration: 2032-12-13

Abstract

The utility model provides a locking mechanism of lifting machine belongs to lifting machine technical field. The problem that how to reduce the service life of the elevator due to the fact that the anti-loosening effect is not sensitive enough when no heavy object is arranged at one end is solved. Including the casing and be located the rotating assembly in the casing, be connected with the micro-gap switch of being connected with the rotating assembly electricity on the casing, be equipped with fixing bearing in the casing, the casing passes through fixing bearing with rotating assembly one end and is connected, and relative rotation can take place between rotating assembly and casing, be equipped with the interconnection connecting axle on the rotating assembly, the last locking baffle that links firmly ability reciprocating swing of interconnection connecting axle, locking baffle passes through the extension spring and links to each other with the casing, and locking baffle can contact with micro-gap switch, through locking bearing swivelling joint between the outer peripheral face of interconnection connecting axle and the casing, and relative rotation can take place between above-mentioned interconnection connecting axle and casing. The inner connecting shaft fixedly connected with the rotating assembly and the anti-loosening baffle are connected with the shell through the tension spring, so that the problem is solved.

Description

Anti-loosening mechanism of elevator

Technical Field

The utility model belongs to the technical field of the lifting machine, in particular to locking mechanism of lifting machine.

Background

The hoister is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. However, in the prior art, one end of a steel wire rope of the elevator is wound in the grooved wire storage bin, the other end of the steel wire rope is connected with the workpiece, when no workpiece exists or the workpiece 1 is too light, the steel wire rope cannot be subjected to gravity, at the moment, if the elevator continues to operate, the steel wire rope in the wire storage bin can run out of the wire groove, the steel wire rope is wound disorderly and is clamped, the service function and the service life of the steel wire rope of the elevator are finally affected, and the service function and the service life of the steel wire rope are further affected.

In order to solve the above problems, the prior art provides a locking elevator, which comprises a servo motor, a speed reducer and a roller, wherein a limiting device is arranged at one end of the roller, a plurality of guide wheel slide bars are arranged on the limiting device, and a guide block is slidably connected above the limiting device. But the anti-loosening effect is not sensitive enough, so the service life of the hoister can be reduced, and a heavy object still needs to be hung at one end of the steel wire rope.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a locking mechanism of lifting machine, the utility model aims to solve the technical problem that: how to avoid reducing the life of lifting machine because locking effect is not sensitive enough when one end does not have the heavy object.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a locking mechanism of lifting machine, includes the casing and is located the rotating assembly of casing, be connected with the micro-gap switch who is connected with the rotating assembly electricity on the casing, be equipped with fixing bearing in the casing, the casing passes through fixing bearing with rotating assembly one end and is connected, and can take place relative rotation between above-mentioned rotating assembly and casing, the last in-connection connecting axle that is equipped with of rotating assembly, link firmly the locking baffle that can reciprocating swing on the in-connection connecting axle, locking baffle passes through the extension spring and links to each other with the casing, and above-mentioned locking baffle can contact with micro-gap switch, through locking bearing swivelling joint between the outer peripheral face of in-connection connecting axle and the casing, and can take place relative rotation between above-mentioned in-connection connecting axle and casing.

This scheme is mainly for establishing the rotating assembly and linking to each other with the casing outside the rotating assembly through fixing bearing, therefore, the rotating assembly can and the casing between take place the relative position and rotate, and be equipped with the interconnection connecting axle on the rotating assembly, and the last locking baffle that contacts with micro-gap switch that links firmly of interconnection connecting axle, and in order to avoid driving the casing together to rotate owing to the rotation of interconnection connecting axle, consequently, the outer peripheral face cover of connecting axle is equipped with the locking bearing that links to each other with the casing, when the rotating assembly takes place for the casing rotatory, interconnection connecting axle and locking baffle are rotatory with the rotating assembly together, and make locking baffle and the micro-gap switch contact of fixing on the casing, start-stop through micro-gap switch control rotary device, in the use, if the rotating assembly takes place the relative rotation displacement, locking baffle that is located the interconnection connecting axle then can contact with micro-gap switch, will make the rotatory potential energy of rotating assembly turn into the signal of telecommunication through micro-gap switch, and control rotating assembly start-stop.

In the anti-loosening mechanism of the elevator, the micro switch is fixedly connected with the shell through the lower retainer ring seat, the shell is further fixedly connected with the upper retainer ring seat, and the upper retainer ring seat and the lower retainer ring seat are respectively provided with two limiting screws which are oppositely arranged. The upper retainer ring seat and the lower retainer ring seat are arranged on the shell, the limiting screws are respectively arranged on the upper retainer ring seat and the lower retainer ring seat, and the moving range is adjusted by adjusting the limiting screws.

In the anti-loosening mechanism of the elevator, the limiting part on the anti-loosening baffle can be contacted with the end faces of the two limiting screws. Because the end faces of the stop baffle and the two limit screws are in contact, the overtravel caused by overlarge rotation amplitude of the rotating assembly is avoided.

In the anti-loosening mechanism of the elevator, one of the limit screws is positioned on one side of the upper retainer ring seat, and the other side of the upper retainer ring seat is provided with an obstacle avoidance switch.

In the anti-loosening mechanism of the elevator, the anti-loosening baffle is provided with an inverted trapezoidal block, and the end face of the inverted trapezoidal block is in contact with the microswitch. Through set up the down trapezoidal piece on locking baffle, when reciprocal swing, avoided all the time with micro-gap switch contact and because the damage that long-time work leads to.

In the anti-loosening mechanism of the hoister, the rotating assembly comprises a driving machine connected with the microswitch, a speed reducer and a steel wire winding drum fixedly connected with one end of the speed reducer, and the steel wire winding drum is connected with the speed reducer through an auxiliary bearing sleeved on the speed reducer. The auxiliary bearing is additionally arranged on the speed reducer and the steel wire winding drum, so that the phenomenon that the connecting position of the speed reducer and the steel wire winding drum is broken in the rotating process due to the fact that the auxiliary bearing is not arranged in the rotating process of the driving machine is avoided.

In the anti-loosening mechanism of the elevator, one end of the speed reducer is fixedly connected with the steel wire reel through the steel wire reel cover, and the steel wire reel cover is connected with the shell through the fixed bearing.

In the anti-loosening mechanism of the hoisting machine, the inner connecting shaft is positioned between the driving machine and the speed reducer and fixedly connected with the driving machine and the speed reducer.

Compared with the prior art, the utility model has the advantages of it is following:

1. this scheme mainly comprises casing and rotating assembly, and can let take place relative rotation between rotating assembly and the casing through fixing bearing, and because the locking baffle that links firmly passes through the extension spring with the casing on the interconnection connecting axle, consequently, in-process when rotating assembly takes place relative rotation, locking baffle can carry out reciprocating swing along with rotating assembly's direction, and contact with micro-gap switch at reciprocating swing's in-process, control driving machine opens and stops, exert certain direction of rotation's power through the rotating assembly, through contacting with micro-gap switch, opening of micro-gap switch in the control rotating assembly stops, thereby how solved when one end does not have the heavy object, avoid because locking effect is not sensitive enough, thereby reduce the problem of the life of lifting machine.

2. And in the scheme, the upper retainer ring seat and the lower retainer ring seat are arranged on the shell, the two limiting screws which are oppositely arranged are arranged on the upper retainer ring seat and the lower retainer ring seat and are contacted with the limiting parts on the anti-loosening baffle, the swinging range of the anti-loosening baffle is limited in the interval formed by the combination of the two limiting screws, the problem that the tension spring fails due to overlarge swinging of the anti-loosening baffle in the use process is avoided, and the swinging stroke of the anti-loosening baffle can be controlled by adjusting the distance between the limiting screws.

3. The rotating assembly in this scheme mainly divides into driving machine, reduction gear and wire reel, through, in order to guarantee the normal work of lifting machine, consequently links firmly through the steel wire reel lid between reduction gear and the wire reel to establish auxiliary bearing at reduction gear periphery cover, through auxiliary bearing, guarantee that the center of rotation of wire reel and reduction gear coincides all the time, and avoided the driving machine and the reduction gear that link to each other with the internal connection axle to take place relative rotation, and lead to the fact the influence to the wire reel.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional explosion structure of the present invention

Fig. 3 is a left side view of the present invention;

FIG. 1, a housing; 1a, a lower retainer ring seat; 1b, an upper retainer ring seat; 1b1, an obstacle avoidance switch; 1c, a limit screw; 2. a rotating assembly; 2a, a driver; 2b, a speed reducer; 2c, a steel wire reel; 2c1, a steel wire reel cover; 3. a microswitch; 4. fixing the bearing; 5. an inner connecting shaft; 6. a locking baffle; 6a, a limiting part; 6b, an inverted trapezoidal block; 7. a tension spring; 8. a lock bearing; 9. an auxiliary bearing;

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 3, a locking mechanism of a hoist includes a housing 1 and a rotating assembly 2 located in the housing 1, the housing 1 is connected with a micro switch 3 electrically connected with the rotating assembly 2, wherein the rotating assembly 2 includes a driving machine 2a connected with the micro switch 3, a speed reducer 2b and a wire reel 2c fixedly connected with one end of the speed reducer 2b, the wire reel 2c is connected with the speed reducer 2b through an auxiliary bearing 9 and a wire reel cover 2c sleeved on the speed reducer 2b, a fixed bearing 4 is provided in the housing 1, the wire reel cover 2c on the rotating assembly 2 is connected with the housing 1 through a fixed bearing 4, the rotating assembly 2 and the housing 1 can rotate relatively, an inner connecting shaft 5 is fixedly connected between the driving machine 2a and the speed reducer 2b, a locking baffle 6 capable of swinging back and forth is fixedly connected on the inner connecting shaft 5, the locking baffle 6 is connected with the housing 1 through a tension spring 7, the locking baffle 6 can contact with the micro switch 3, an outer peripheral surface of the inner connecting shaft 5 is connected with the housing 1 through a bearing 8, a lower baffle 6 is connected with an upper baffle seat 1a of the rotating assembly 1, and an upper baffle seat 1b of the rotating assembly 1, two lower baffle seat 1b are provided with a stop ring seat 1, and a stop ring seat 1b, and two lower stop rings 1a stop rings are provided on the rotating assembly 1, and a stop ring seat 1, a stop ring seat 1 are provided with a stop ring seat 1, and a stop ring seat 1b, a stop ring seat 1 and a stop ring seat 1b stop ring seat 1 are provided with a stop ring seat 1, and a stop ring seat 1b stop ring seat 1.

The scheme mainly comprises a rotating assembly 2 and a shell 1, wherein an output shaft of a driver 2a in the rotating assembly 2 drives a steel wire reel 2c to rotate through a speed reducer 2b to enable a steel wire rope wound on the steel wire reel 2c to slowly fall down, the steel wire reel 2c is connected with the speed reducer 2b through a steel wire reel cover 2c, the steel wire reel cover 2c is connected with the shell 1 through a fixed bearing 4, two sides of the shell 1 are respectively provided with a locking bearing 8 and the fixed bearing 4, when the coincidence of the rotation center is ensured, the rotating assembly 2 is influenced by the steel wire rope to rotate, a locking baffle 6 fixedly connected on an inner connecting shaft 5 also displaces along with the rotation of the rotating assembly 2, and an inverted trapezoidal block 6b positioned on the locking baffle 6 is separated from a microswitch 3, the driver 2a normally works, when one end of the steel wire rope is exerted with an upward force or a heavy object at the end of the steel wire rope is taken down, the inner connecting shaft 5 is positioned between the speed reducer 2b and the driver 2a drive 2a microswitch 3 and fixedly connected with the inner connecting shaft 5, and the inner connecting shaft 5 is connected with the microswitch 2 through a tension spring 7, the inner connecting shaft 5, the inner side wall of the locking baffle 6 is prevented from being connected with the rotating assembly 2b and the rotating assembly 2b, and the tension spring 7 is connected with the rotating assembly, the rotating assembly 2, the tension spring 7, and the inner side of the rotating assembly 2, the elevator is prevented from being connected with the elevator by the rotating assembly 2b, through adopting fixing bearing 4, lock bearing 8 and auxiliary bearing 9, consequently when wire rope received ascending power or will be located the heavy object of wire rope one end and take off, locking mechanism response speed is timely sensitive, and can ensure the long-term stable efficient use of wire rope lifting machine, and as the equivalent scheme, also can make driving machine 2a stop work through separating with the last inverted trapezoid piece 6b of check baffle 6 and micro-gap switch 3.

And set up upper and lower retainer ring seat 1a on casing 1, and set up two relative stop screw 1c respectively on upper and lower retainer ring seat 1a, in the use, when the rotatory radian of rotating assembly 2 drive locking baffle 6 is too big, spacing portion 6a on locking baffle 6 then can with the tip contact of one of them stop screw 1c, thereby avoid in the use, because the rotatory radian of rotating assembly 2 is too big and the incident that the wire rope that convolutes on wire reel 2c causes is released in a large number, and adopt stop screw 1c can adjust locking baffle 6's swing position according to the user demand, use experience has been promoted.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the housing is used more herein; 1a, a lower retainer ring seat; 1b, an upper retainer ring seat; 1b1, an obstacle avoidance switch; 1c, a limit screw; 2. a rotating assembly; 2a, a driver; 2b, a speed reducer; 2c, a steel wire reel; 2c1, a steel wire reel cover; 3. a microswitch; 4. fixing the bearing; 5. an inner connecting shaft; 6. a locking baffle; 6a, a limiting part; 6b, an inverted trapezoidal block; 7. a tension spring; 8. a lock bearing; 9. auxiliary bearings, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a locking mechanism of lifting machine, includes casing (1) and is located rotating assembly (2) of casing (1), be connected with micro-gap switch (3) of being connected with rotating assembly (2) electricity on casing (1), be equipped with fixing bearing (4) in casing (1), rotating assembly (2) one end is connected through fixing bearing (4) with casing (1), and can take place relative rotation between above-mentioned rotating assembly (2) and casing (1), a serial communication port, be equipped with in-connection connecting axle (5) on rotating assembly (2), link firmly on in-connection connecting axle (5) can reciprocating swing's check baffle (6), check baffle (6) link to each other with casing (1) through extension spring (7), and above-mentioned check baffle (6) can contact with micro-gap switch (3), through in-connection bearing (8) swivelling joint between the outer peripheral face of in-connection axle (5) and casing (1), and can take place relative rotation between above-mentioned in-connection axle (5) and casing (1).

2. The anti-loosening mechanism of the hoisting machine as claimed in claim 1, wherein the microswitch (3) is fixedly connected with the housing (1) through a lower retainer seat (1 a), and the housing (1) is further fixedly connected with an upper retainer seat (1 b), and the upper retainer seat (1 b) and the lower retainer seat (1 a) are respectively provided with two oppositely arranged limit screws (1 c).

3. The anti-loosening mechanism of a hoisting machine as claimed in claim 1 or 2, characterized in that the stop (6 a) on the anti-loosening baffle (6) can be brought into contact with the end faces of two stop screws (1 c).

4. The anti-loosening mechanism for the elevator as claimed in claim 2, wherein one of the limit screws (1 c) is located on one side of the upper retainer seat (1 b), and the other side of the upper retainer seat (1 b) is provided with an obstacle avoidance switch (1 b 1).

5. The anti-loosening mechanism of the hoisting machine as claimed in claim 1 or 4, characterized in that the anti-loosening baffle (6) is provided with an inverted trapezoidal block (6 b), and the end surface of the inverted trapezoidal block (6 b) is in contact with the microswitch (3).

6. The anti-loosening mechanism of the hoisting machine as claimed in claim 1, characterized in that the rotating assembly (2) comprises a driving machine (2 a) connected to the microswitch (3), a speed reducer (2 b) and a wire reel (2C) fixedly connected to one end of the speed reducer (2 b), and the wire reel (2C) is connected to the speed reducer (2 b) via an auxiliary bearing (9) fitted over the speed reducer (2 b).

7. The anti-loosening mechanism of a hoist as claimed in claim 6, characterized in that one end of the speed reducer (2 b) is fixedly connected to the wire drum (2C) through a wire drum cover (2C 1), and the wire drum cover (2C 1) is connected to the housing (1) through a fixed bearing (4).

8. The anti-loosening mechanism for hoisting machine as defined in claim 1 or 6, wherein the inner connecting shaft (5) is disposed between the driving machine (2 a) and the speed reducer (2 b) and fixedly connects the inner connecting shaft (5), the driving machine (2 a), and the speed reducer (2 b).