CN215558189U

CN215558189U - Automatic jacking device of elevator cable pay-off reel

Info

Publication number: CN215558189U
Application number: CN202121351838.7U
Authority: CN
Inventors: 孙琦铭
Original assignee: Hangzhou Linan Senyuan Electric Cable Co ltd
Current assignee: Hangzhou Linan Senyuan Electric Cable Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-18
Anticipated expiration: 2031-06-17

Abstract

The utility model provides an automatic jacking device of an elevator cable pay-off reel, which comprises a dust-proof box, wherein a jacking assembly is arranged in the dust-proof box, the jacking assembly comprises an electric telescopic rod, the electric telescopic rod is arranged in the middle of one end in the dust-proof box, one end of the electric telescopic rod is connected with a mounting box, one end in the mounting box is connected with a trigger, a connecting plate is connected in the mounting box and extends out of the mounting box, one end of the connecting plate is rotatably connected with a pulley, one side of the top end and one side of the bottom end of the connecting plate are respectively connected with a limiting plate, one end of each of two limiting plates is connected with a plurality of springs and connected with the mounting box, a braking assembly is arranged in the dust-proof box and comprises a cable reel, two sides of the cable reel are respectively connected with a braking wheel, two sides in the dust-proof box are symmetrically connected with hydraulic rods, and one end of each of four hydraulic rods is connected with a braking piece. According to the utility model, the jacking assembly and the braking assembly are arranged, so that the automatic jacking function of the cable can be realized in the paying-off process, and the use safety is improved.

Description

Automatic jacking device of elevator cable pay-off reel

Technical Field

The utility model mainly relates to the technical field of elevator cable pay-off reels, in particular to an automatic jacking device of an elevator cable pay-off reel.

Background

The elevator cable adopts special structural design, long service life, and furthest improves elevator manufacturing enterprise's operating efficiency, and elevator control cable can provide whole electrical control under the longer condition of length of hanging, bears mechanical stress simultaneously, and the elevator cable is because of adopting the steel wire to bear the weight of the cable core, can be used to the long distance and hangs the use occasion.

According to a cable reel pay-off device provided by patent document (publication number CN111217195A), the cable reel pay-off device comprises a first base and a second base, wherein a first bracket is arranged on the first base, a second bracket is arranged on the second base, and the first bracket and the second bracket are connected through a rotating shaft; the cable drum is sleeved on the rotating shaft and comprises a sleeve portion, a first disc body and a second disc body are arranged at two ends of the sleeve portion respectively, a first tensioning disc is arranged between the first disc body and the first support, and a second tensioning disc is arranged between the second disc body and the second support; the first tensioning disc is provided with a plurality of first fixed blocks for fixing the first disc body and a first driving device for driving the first fixed blocks to move along the radial direction; the second tensioning disc is provided with a plurality of second fixed blocks for fixing the second disc body and a second driving device for driving the second fixed blocks to move along the radial direction. According to the utility model, the cable reel is fixed through the first tensioning disc and the second tensioning disc, and the cable reel is rotated by a single person to pay off, so that the paying-off manpower resource of the cable reel can be saved, and the paying-off labor amount is reduced.

The existing elevator cable pay-off reel has poor effect of a jacking device in the using process, jacking work cannot be timely carried out when an elevator cable is loose, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an automatic jacking device of an elevator cable pay-off reel, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an automatic jacking device of an elevator cable pay-off reel comprises a dust-proof box, wherein a jacking assembly is arranged inside the dust-proof box, the jacking assembly comprises an electric telescopic rod, the electric telescopic rod is arranged in the middle of one end inside the dust-proof box, one end of the electric telescopic rod is connected with a mounting box, one end inside the mounting box is connected with a trigger, the inside of the mounting box is connected with a connecting plate and extends to the outside of the mounting box, one end of the connecting plate is rotatably connected with a pulley, one sides of the top end and the bottom end of the connecting plate are respectively connected with a limiting plate, one end of each of the two limiting plates is connected with a plurality of springs and is connected with the side wall of the mounting box, a braking assembly is arranged inside the dust-proof box and comprises a cable reel, the middle positions of the two sides of the cable reel are respectively connected with a braking wheel, and two sides inside the dust-proof box are symmetrically connected with hydraulic rods, and one end of each of the four hydraulic rods is connected with a brake stopping sheet.

Preferably, the top and the bottom of mounting box inside have all been seted up the spacing groove, two the limiting plate is sliding connection with the spacing groove to it is spacing to carry out the removal orbit of connecting plate, avoids its dislocation to damage.

Preferably, the brake assembly still includes the mounting bracket, the mounting bracket is installed on the inside top of dust proof box, the internal connection of mounting bracket has the pivot, the outside intermediate position of pivot is located to the cable drum cover, the inside one end of dust proof box is connected with the motor, the output of motor is connected with the pivot to realize the unwrapping wire function of cable.

Preferably, the rotating shaft is rotatably connected with the mounting frame through a bearing, so that the rotating shaft and the cable tray can be ensured to rotate to work.

Preferably, the middle position of dust-proof box one end is connected with the chamber door, the inside middle position of chamber door is provided with the observation window to make things convenient for maintainer to carry out the periodic observation maintenance to equipment.

Preferably, the outer part of the box door is connected with a sealing rubber strip, so that the damage of electronic equipment caused by dust entering the equipment is avoided.

Preferably, the upper end of dust-proof box one side is connected with the controller, the controller all is electric connection through the wire with motor, hydraulic stem, trigger and electric telescopic handle to make things convenient for opening of operation debugging equipment and equipment to stop.

Compared with the prior art, the utility model has the beneficial effects that:

when the cable takes place to become flexible, spring reset makes the connecting plate inwards slide and touch the trigger, thereby control electric telescopic handle and withdraw, after stretching to the tight state with the cable, the pulley pulling force drives the connecting plate outwards movement, the trigger is with signal transmission to controller, make electric telescopic handle stop motion, when the elevator needs emergency braking, the hydraulic stem extends and makes stopping piece and braked wheel top tight, and then make the cable dish by fixed stopping unwrapping wire, through being provided with top tight subassembly and braking component, make the cable can realize automatic top tight function at the unwrapping wire in-process, and the safety in utilization is improved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic front sectional view of the present invention;

FIG. 4 is an enlarged view of the area B in FIG. 3

Fig. 5 is an enlarged view of region a in fig. 1.

In the figure: 1. a dust-proof box; 2. a controller; 3. a box door; 31. sealing rubber strips; 4. a brake assembly; 41. a brake wheel; 42. a motor; 43. a rotating shaft; 44. a cable reel; 45. a mounting frame; 46. a hydraulic lever; 47. stopping the sheet; 5. jacking the assembly; 51. a pulley; 52. a connecting plate; 53. a spring; 54. a limiting plate; 55. a limiting groove; 56. a trigger; 57. mounting a box; 58. an electric telescopic rod.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and 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, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 2-4 in greater detail, an automatic tightening device for an elevator cable drum comprises a dust-proof box 1, a tightening assembly 5 is arranged inside the dust-proof box 1, the tightening assembly 5 comprises an electric telescopic rod 58, the electric telescopic rod 58 is mounted at the middle position of one end inside the dust-proof box 1, one end of the electric telescopic rod 58 is connected with a mounting box 57, one end inside the mounting box 57 is connected with a trigger 56, the inside of the mounting box 57 is connected with a connecting plate 52 and extends to the outside of the mounting box 57, one end of the connecting plate 52 is rotatably connected with a pulley 51, one side of the top end and the bottom end of the connecting plate 52 is connected with a limiting plate 54, one end of each of two limiting plates 54 is connected with a plurality of springs 53 and is connected with the side wall of the mounting box 57, the top end and the bottom end inside the mounting box 57 are both provided with a limiting groove 55, two the limiting plate 54 is sliding connection with limiting groove 55 to the removal orbit to connecting plate 52 is spacing, avoids its dislocation to damage, the inside of dust proof box 1 is provided with brake assembly 4, brake assembly 4 includes cable dish 44, the intermediate position of cable dish 44 both sides all is connected with braked wheel 41, the inside bilateral symmetry of dust proof box 1 is connected with hydraulic stem 46, four hydraulic stem 46's one end all is connected with stops piece 47, brake assembly 4 still includes mounting bracket 45, mounting bracket 45 installs in the inside top of dust proof box 1, the internal connection of mounting bracket 45 has pivot 43, cable dish 44 cover locates the outside intermediate position of pivot 43, the inside one end of dust proof box 1 is connected with motor 42, the output of motor 42 is connected with pivot 43, thereby realizes the unwrapping wire function of cable, pivot 43 is through bearing and mounting bracket 45 be rotation connection, thereby ensuring that the rotation shaft 43 and the cable drum 44 can be rotated for operation.

Referring to fig. 1 and 5, a box door 3 is connected to the middle position of one end of the dustproof box 1, an observation window is arranged in the middle position inside the box door 3, so that maintenance personnel can conveniently observe and overhaul equipment at regular intervals, a sealing rubber strip 31 is connected to the outside of the box door 3, so that damage to electronic equipment caused by dust entering the inside of the equipment is avoided, a controller 2 is connected to the upper end of one side of the dustproof box 1, and the controller 2 is electrically connected with a motor 42, a hydraulic rod 46, a trigger 56 and an electric telescopic rod 58 through wires, so that operation debugging equipment and start and stop of the equipment are facilitated.

The specific operation mode of the utility model is as follows:

when the cable is loosened, the pulley 51 is not acted by external force any more, the spring 53 resets to enable the connecting plate 52 to slide inwards and touch the trigger 56, the trigger 56 transmits a signal to the controller 2 to control the electric telescopic rod 58 to retract until the cable is stretched to a tightened state, the pulley 51 pulls the connecting plate 52 to move outwards, the trigger 56 transmits a signal to the controller 2 to enable the electric telescopic rod 58 to stop moving, and when the elevator needs emergency braking, the hydraulic rod 46 extends to enable the braking piece 47 to be tightly propped against the braking wheel 41, so that the cable disc 44 is fixed to stop paying off.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The automatic jacking device of the elevator cable pay-off reel comprises a dust-proof box (1) and is characterized in that a jacking component (5) is arranged inside the dust-proof box (1), the jacking component (5) comprises an electric telescopic rod (58), the electric telescopic rod (58) is installed at the middle position of one end inside the dust-proof box (1), one end of the electric telescopic rod (58) is connected with a mounting box (57), one end inside the mounting box (57) is connected with a trigger (56), the mounting box (57) is internally connected with a connecting plate (52) and extends to the outside of the mounting box (57), one end of the connecting plate (52) is rotatably connected with a pulley (51), one sides of the top end and the bottom end of the connecting plate (52) are respectively connected with a limiting plate (54), and one ends of the limiting plates (54) are respectively connected with a plurality of springs (53) and are connected with the side wall of the mounting box (57), the inside of dust proof box (1) is provided with brake assembly (4), brake assembly (4) include cable dish (44), the intermediate position of cable dish (44) both sides all is connected with braked wheel (41), the inside bilateral symmetry of dust proof box (1) is connected with hydraulic stem (46), four the one end of hydraulic stem (46) all is connected with stops piece (47).

2. The automatic jacking device for the elevator cable drum according to claim 1, wherein the top end and the bottom end of the inside of the mounting box (57) are both provided with a limiting groove (55), and the two limiting plates (54) are in sliding connection with the limiting grooves (55).

3. The automatic jacking device of the elevator cable drum as claimed in claim 1, wherein the brake assembly (4) further comprises a mounting rack (45), the mounting rack (45) is mounted at the top end inside the dust-proof box (1), a rotating shaft (43) is connected inside the mounting rack (45), the cable drum (44) is sleeved at the middle position outside the rotating shaft (43), a motor (42) is connected to one end inside the dust-proof box (1), and the output end of the motor (42) is connected with the rotating shaft (43).

4. The automatic jacking device for the elevator cable drum as claimed in claim 3, wherein the rotating shaft (43) is rotatably connected with the mounting rack (45) through a bearing.

5. The automatic jacking device for the elevator cable pay-off reel as claimed in claim 1, wherein a box door (3) is connected to the middle position of one end of the dustproof box (1), and an observation window is arranged in the middle position inside the box door (3).

6. The automatic jacking device for the elevator cable drum as claimed in claim 5, wherein a sealing rubber strip (31) is connected to the outside of the box door (3).

7. The automatic jacking device for the elevator cable pay-off reel as claimed in claim 1, wherein the upper end of one side of the dust-proof box (1) is connected with a controller (2), and the controller (2) is electrically connected with the motor (42), the hydraulic rod (46), the trigger (56) and the electric telescopic rod (58) through wires.