CN218434669U - Top rushing prevention mechanism for stage - Google Patents

Abstract

The utility model relates to a scour protection top technical field specifically is a stage scour protection top mechanism, include: electric block body, bottom plate and buffer board, its characterized in that: two supports are fixedly mounted at the bottom of the first buffer mechanism, the first buffer mechanism is arranged in each support, the second buffer mechanisms are arranged on two sides of the top of the buffer plate, and rope pulling grooves are formed in two ends of the buffer plate. The utility model is provided with the first buffer mechanism, which disperses the impact force for the first time, absorbs a part of the impact force and plays the role of reducing the impact force; the utility model discloses a setting of second buffer gear, behind the impact force of first buffer gear dispersion partly, remaining impact force absorbs through first and second spring to improved the effect of buffering, effectively protected the electric block body, made it can not directly be strikeed by the impact force, and produced the condition of damage, ensured going on smoothly of stage performance.

Description

Top rushing prevention mechanism for stage

Technical Field

The utility model relates to a scour protection top technical field specifically is a stage scour protection top mechanism.

Background

The electric hoist for stage is a chain type one, also called as lifter. The stage electric block strictly performs according to the itinerant, the requirement design and manufacture of the itinerant exhibition, the surface is treated with black paint, it is bright lasting, 110V control circuit thermal treatment, the chain plate is led to the fashioned steel, design with positive and negative two-way and all-weather use, be furnished with adjustable spiral limit switch, the reliability is higher, the chain galvanizing treatment, it is difficult for rustting, lubricating grease dress is in the gear box, prevent that oil drips from permeating to the stage, the motor of calabash is sealed in the cylindrical shell of steel ring of aluminium matter, the motor is protected permanently, be fit for linking to each other with various controllers and circuit distributor.

Traditional special electric block of stage passes through the bottom plate and fixes electric block in the top, electric block's lifting rope and couple pass the bottom plate, work in the below of bottom, workman's personnel are through the lift of the mode operation couple of remote control, but during the stage performance, use comparatively frequently, when the speed is too fast when going up the couple like the staff, lead to the couple direct impact electric block easily, protective measure does not have, powerful impact force direct transmission gives electric block, lead to electric block impaired easily, can't use, influence the normal clear of stage performance, cause immeasurable damage.

Therefore, the utility model relates to a stage scour protection top mechanism is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stage scour protection top mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stage anti-ejection mechanism, comprising: electric block body, bottom plate and buffer board, first buffer gear's bottom fixed mounting has two supports, be equipped with first buffer gear in the support, the top both sides of buffer board all are equipped with second buffer gear, the stay cord groove has all been seted up at the both ends of buffer board.

Preferably, first buffer gear includes the connecting axle, the lateral wall both sides of connecting axle all sliding connection have the slider, buffer spring has all been run through to the lateral wall both sides of connecting axle, buffer spring's both sides are connected respectively at the lateral wall of one side of slider and support, the bottom of slider articulates there is the slide bar, the bottom of slide bar articulates at the top of buffer board.

Preferably, the second buffer gear includes first spliced pole, the top of first spliced pole is connected with first spring, the bottom at the bottom of bottom plate is installed at the top of first spring, one side lateral wall of first spliced pole is equipped with the rack, the second spliced pole is installed to the bottom of bottom plate, one side lateral wall of second spliced pole articulates there is the gear with rack and pinion engaged with, the second spring is installed to the bottom of second spliced pole, the connecting plate is installed to the bottom of second spring.

Preferably, the inner side wall of the connecting plate is provided with a limiting groove in sliding connection with the outer side wall of the buffer plate.

Preferably, the inner wall of the top of the connecting plate is provided with a third spring, and the bottom of the third spring is fixedly mounted at the top of the buffer plate.

Preferably, two limiting rotating shafts are hinged to the inner walls of the two sides of the pull rope groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of first buffer gear, when the lifting hook dashes the top, striking buffer board makes it rise, drives the slider through the slide bar and keeps away from each other, and buffer spring's recovery deformation power is carried out the first dispersion to the impulsive force, absorbs a part of impact force, plays the effect that reduces the impact force;

2. the utility model discloses a setting of second buffer gear, behind the impact force of first buffer gear dispersion part, surplus impact force absorbs through first and second spring, gear and rack toothing rises first spliced pole and slows down, thereby the effect of buffering has been improved, second buffer gear absorbs the back with surplus impact force, the bottom plate is transmitted to last surplus power, the bottom plate absorbs, the electric block body has effectively been protected, make it can not directly be strikeed by the impact force, and produce the condition of damage, the smooth of stage performance has been ensured going on.

Drawings

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

fig. 2 is a schematic top view of the structure of the buffer board of the present invention.

In the figure: 1. an electric hoist body; 2. a base plate; 3. a buffer plate; 4. a support; 5. a first buffer mechanism; 6. a second buffer mechanism; 7. rope pulling grooves; 8. a limiting rotating shaft; 501. a connecting shaft; 502. a slider; 503. a buffer spring; 504. a slide bar; 601. a first connecting column; 602. a first spring; 603. a rack; 604. a second connecting column; 605. a gear; 606. a second spring; 607. a connecting plate; 608. a limiting groove; 609. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides an embodiment: a stage anti-ejection mechanism, comprising: electric block body 1, bottom plate 2 and buffer plate 3, its characterized in that: two supports 4 are fixedly mounted at the bottom of the first buffer mechanism 5, the first buffer mechanism 5 is arranged in the supports 4, the second buffer mechanisms 6 are arranged on two sides of the top of the buffer plate 3, and rope pulling grooves 7 are formed in two ends of the buffer plate 3.

Referring to fig. 1, in the present embodiment: first buffer gear 5 includes connecting axle 501, the equal sliding connection in lateral wall both sides of connecting axle 501 has slider 502, connecting axle 501's lateral wall both sides all run through there is buffer spring 503, one side lateral wall at slider 502 and support 4 is connected respectively to buffer spring 503's both sides, slider 502's bottom articulates there is slide bar 504, slide bar 504's bottom articulates at the top of buffer board 3, the buffer board receives the impact force rebound, make two sliders keep away from each other through two slide bars, the deformation power that resumes through buffer spring cushions, the impact force has been reduced, avoid the direct impact electric block of impact force, cause the condition of damage.

Referring to fig. 1, in the present embodiment: second buffer gear 6 includes first spliced pole 601, the top of first spliced pole 601 is connected with first spring 602, the bottom at bottom plate 2 is installed at the top of first spring 602, one side lateral wall of first spliced pole 601 is equipped with rack 603, second spliced pole 604 is installed to the bottom of bottom plate 2, one side lateral wall of second spliced pole 604 articulates there is the gear 605 with rack 603 gear engaged with, second spring 606 is installed to the bottom of second spliced pole 604, connecting plate 607 is installed to the bottom of second spring 606, the buffer board receives the power of impact upward movement, make first spliced pole upward movement, it slows down first spliced pole through the meshing of rack and gear, avoid ascending speed too fast, cushion through the recovery deformation power of first spring, the dispersed impact force, the connecting plate receives the power of buffer board to rise simultaneously, cushion once more through the recovery deformation power of second spring, the impact force that the buffer board received progressively disperses, the stable form of effectual protection electric block, avoid it to receive and cause the damage, the unable circumstances of using.

Referring to fig. 1, in the present embodiment: the inside wall of connecting plate 607 is equipped with the spacing groove 608 with the lateral wall sliding connection of buffer plate 3, carries out axial spacing to the buffer plate through the spacing groove, makes it when receiving the impact force, keeps radial motion.

Referring to fig. 1, in the present embodiment: the top inner wall of connecting plate 607 is equipped with third spring 609, and the bottom fixed mounting of third spring 609 has avoided the direct striking connecting plate of buffer board through the third spring at the top of buffer board 3, has reduced the noise, and can cushion some impact force.

Referring to fig. 2, in the present embodiment: two limiting rotating shafts 8 are hinged to inner walls of two sides of the rope pulling groove 7, two pull ropes of the electric hoist penetrate through the limiting grooves respectively, the two sides of the pull ropes are limited through the two rotating shafts in the rope pulling groove, and the rope pulling groove is prevented from deviating in lifting.

The working principle is as follows: when the electric hoist body 1 is pulled back to the hook, there may be a situation that the hook collides with the electric hoist body 1 at an excessively high speed, the buffer plate 3 protects and buffers the electric hoist body 1, the buffer plate 3 moves upward under the impact force, the slide rod 504 is stressed to make the slide block 502 separate from each other, the buffer plate 3 is buffered by the restoring deformation force of the buffer spring 503, part of the impact force is dispersed, when the buffer plate 3 moves upward under the impact force, the first connection column 601 is simultaneously driven to move upward, the first spring 602 buffers the first connection column 601, the rack 603 is engaged with the gear 605 to decelerate the first connection column 601, a certain buffering effect is achieved, meanwhile, the buffer plate 3 impacts the connection plate 607, the buffer plate 3 is buffered again through the second spring 606, the impact force is gradually dispersed through multiple times of buffering, and the impact force is prevented from damaging the electric hoist body 1, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A stage anti-ejection mechanism, comprising: electric block body (1), bottom plate (2) and buffer board (3), its characterized in that: the bottom fixed mounting of first buffer gear (5) has two supports (4), be equipped with first buffer gear (5) in support (4), the top both sides of buffer board (3) all are equipped with second buffer gear (6), stay cord groove (7) have all been seted up at the both ends of buffer board (3).

2. A stage roof impacting prevention mechanism according to claim 1, wherein: first buffer gear (5) are including connecting axle (501), the lateral wall both sides of connecting axle (501) all sliding connection have slider (502), buffer spring (503) have all been run through to the lateral wall both sides of connecting axle (501), one side lateral wall at slider (502) and support (4) is connected respectively to the both sides of buffer spring (503), the bottom of slider (502) articulates there is slide bar (504), the bottom of slide bar (504) articulates at the top of buffer board (3).

3. A stage roof impacting prevention mechanism according to claim 1, wherein: second buffer gear (6) include first spliced pole (601), the top of first spliced pole (601) is connected with first spring (602), the bottom at bottom plate (2) is installed at the top of first spring (602), one side lateral wall of first spliced pole (601) is equipped with rack (603), second spliced pole (604) is installed to the bottom of bottom plate (2), one side lateral wall of second spliced pole (604) articulates there is gear (605) with rack (603) gear engaged with, second spring (606) are installed to the bottom of second spliced pole (604), connecting plate (607) are installed to the bottom of second spring (606).

4. A stage anti-impingement mechanism according to claim 3, wherein: the inside wall of connecting plate (607) is equipped with spacing groove (608) with the lateral wall sliding connection of buffer board (3).

5. A stage anti-impingement mechanism according to claim 3, wherein: and a third spring (609) is arranged on the inner wall of the top of the connecting plate (607), and the bottom of the third spring (609) is fixedly installed at the top of the buffer plate (3).

6. A stage roof impacting prevention mechanism according to claim 1, wherein: two limiting rotating shafts (8) are hinged to the inner walls of the two sides of the pull rope groove (7).

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