CN2450198Y - Safety self-lifting type lifter - Google Patents

Abstract

The utility model relates to a safety self-lifting type material lifter, comprising a ground beam. A gantry frame which is composed of standard sections is arranged on the ground beam, and an attaching element is arranged on the ground beam; a hoister is connected with a suspension cage through a steel cable and a cable pulley; top beam is a platform structure with guard rails for operation, the top beam is arranged on a bearing cross beam of the gantry frame, a lifting handle rod and a manual pulley tackle are arranged in the center of the platform, and a lifting frame is arranged on a top standard section; a suspension cage is arranged between channel steel slide ways through a circular rolling wheel with a spring, and the hoister is arranged on the ground beam which is 0.2 meter away from the gantry frame; an overload limiter is arranged below the cable pulley, and a broken cable self-locking device and a clamping vertical pipe are symmetrically arranged in the middle parts on both sides of the suspension cage; a stopping and door opening/closing linkage device is arranged between the suspension cage and the gantry frame.

Description

Safety is from rising material elevator

The utility model relates to a kind of device that building operation is used for the material vertical transport.

In building operation, generally adopt gig to solve the vertical transport problem of material, present common material elevator, it be mainly by with the fixing grade beam in ground, form portal frame with standard knot on the grade beam, install and fixing attaching frame, its upper fixed sky beam of building the portal frame appropriate position, and cage is installed between the portal frame slideway by roller, and winch is connected the structure that constitutes with cage by steel rope and rope sheave; Winch turns round, moves up and down along the portal frame slideway by steel rope and rope sheave drive cage, realizes the material vertical transport.The weak point of existing material elevator is: 1, the easy clamping stagnation of cage roller and slideway, cage with recessed dolioform roller along pipe slideway scroll-up/down, and leave certain interval, if material is in cage when placed in the middle, cage is offset, cause roller to break away from the pipe slideway, it is unreliable to work, and cage occurs in the air catching phenomenon; 2, the winch steel rope easily hurt sb.'s feelings and floor area big, the winch operating personal must be sitting in by the winch, direct control button and handle, for guaranteeing the sight line of operating personal, winch mostly need be above 10 meters from the distance of portal frame, be that winch must be arranged on outside 10 meters of portal frames and locates, steel rope is exposed like this floats on ground, hurts sb.'s feelings easily and takies the larger area place, makes troubles and potential safety hazard to construction; 3, overload control and disconnected rope self-locking device, gig is worked under event of overload, and steel rope is disrumpent feelings easily, and the cage phenomenon of dropping rapidly out of control often appears in disconnected again rope self-locking device, inevitable damage equipment even personnel casualty accidents occurs.4, the unlatching of the stop of cage and feed inlet and outlet door is independently two actions separately, can not pass in and out the cage handling goods under the situation of safety stop at cage, causes pier cage and casualty accident easily; 5, gig must use big-and-middle-sized weight-lifting equipment when assembly and disassembly, and gig itself can not be torn open certainly in self-chambering, has increased operation cost, makes troubles to construction.

The purpose of this utility model is to avoid weak point of the prior art, and a kind of reliable operation is provided, operates steadily, and easy-to-mount safety is from rising the material elevator product.

Can take following technical scheme to realize purpose.

Safety comprises and the fixing grade beam in ground from rising material elevator, forms portal frame with standard knot on the grade beam, and install and the fixing attachment of building the portal frame appropriate position, and winch is connected with cage by steel rope and rope sheave; But it beam is the platform structure that is provided with guardrail, can supplies personnel to operate thereon, it is contained in, and centre is equipped with rotating lifting pavilion and manual winch on the load-bearing crossbeam upper mounting plate that places the portal frame relevant position, and the triangle raising legs that can hang jack is housed on the standard knot of top; Cage is installed between the portal frame channel-section steel slideway by band spring, compressible circle roller; The video intercom device is installed between control cabin, cage, and winch is installed on the grade beam of 0.2 meter of portal frame; In a rope sheave bottom overload limiting device is set, at the symmetrical clamping standpipe of disconnected rope self-locking device being installed and being cooperated, be fixed on the portal frame inboard with it of cage two middle side parts; A hinged control stalk between the upper and lower door of cage discharging opening, control stalk is connected by steel rope, the pulley stop crossbeam light with being hinged on the heavy front end in cage top, rear end that be fixed on the cage, portal frame cage need stop place, corresponding stop crossbeam is fixed with bearing cross beam.

Under the prerequisite that satisfies the said structure requirement, as for specific constructive form, the size of safety from the integral body that rises material elevator, each funtion part, each zero member, connection between member, fixed form, position relation etc., all can be according to using needs, take the circumstances into consideration to set, they can both realize purpose, guarantee the in-use performance and the effect of this material elevator.

The relative prior art of the technical program has following advantage and effect:

Safe and reliable, operate steadily, be convenient to dismounting, reasonable in design; Can independent self-chambering rise, need not by any weight-lifting equipment from tearing open certainly; Can effectively prevent the generation of contingencies such as physical damage and personal casualty, good economy performance.

In conjunction with the accompanying drawings, embodiment is described in further detail the content of the technical program.

Fig. 1 is that safety is from a kind of structural representation that rises material elevator;

Fig. 2 is the birds-eye view that Fig. 1 removes platform, amplification;

Fig. 3 is a kind of structural representation of compressible roller slideway;

Fig. 4 is that the installation of overload limiting device concerns scheme drawing;

Fig. 5 is the birds-eye view of Fig. 4;

Fig. 6 is switch door and a kind of structural representation of stopping linkage;

Fig. 7 is switch door and the partial side view that stops linkage.

Safety is from rising material elevator, shown in accompanying drawing 1,2.Grade beam 2 is fixing with concrete foundation ground 1, form portal frame with standard knot 3 on the grade beam, install and the fixing attachment 7 of building the portal frame appropriate position, winch 17-is connected with cage 6 mutually by steel rope and rope sheave, and the mode of these structural relations and installation, method all can be same as the prior art.It beam 8 is the platform structures that are provided with guardrail, can operate thereon for personnel, be about to a day beam make into from tear open from assembling platform, both unite two into one; It is contained on the load-bearing crossbeam 12 that places the portal frame relevant position, and the riding position of load-bearing crossbeam on portal frame set at any time according to the position of platform, so just hard-wired day beam is changed into the platform that can move up and down along portal frame.Centre is equipped with rotating lifting pavilion 10 and manual winch 11 on the platform, the triangle raising legs 9 that can hang up heavy jack is housed on the standard knot of top, can finish the work of installing and removing the portal frame standard knot to pavilion and manual winch with promoting, with the triangle raising legs on the standard knot of top with jack promotes or the workplatform that descends, not only save a sky beam, and just can finish the mounting or dismounting lifting work of portal frame without any need for weight-lifting equipment.Cage rolls by band spring 22, compressible circle and intends being installed between the portal frame channel-section steel slideway 5, shown in accompanying drawing 1,2,3, when making cage generation deflection in cage if material is placed not placed in the middle, compress a side wheel and make the spring retraction, and the opposite side roller can be ejected by spring, roller still can normally be moved in slide groove, avoid roller and slideway catching phenomenon to occur.Winch near portal frame, be installed on the grade beam of 0.2 meter of portal frame, control cabin can be provided with arbitrarily at a distance, be connected with winch and installation video intercom device on control cabin and cage by lead, reach man-machine separation like this, solved building personnel's conversation problem up and down again, avoid the floating length in ground apart from the steel rope phenomenon, eliminate the hidden danger that steel rope is hurted sb.'s feelings, save the workyard, so this material elevator is particularly suitable for narrow and small building operation place use.In rope sheave 15 bottoms the overload limiting device is set, shown in accompanying drawing 1,4,5, if material surpasses rated load weight in the cage, then rope sheave seat press overload limiting device 16 contact, make the winch outage, cage then can not upwards move.At the symmetrical clamping standpipe 14 of disconnected rope self-locking device 13 being installed and being cooperated, be fixed on the portal frame inboard with it of cage two middle side parts, if in case disconnected rope takes place, the disconnected rope self-locking device moment that is installed in that cage upper edge standpipe slideway moves up and down is held standpipe tightly, makes cage stop tenesmus.On the cage discharging opening, Xiamen 23, a hinged control stalk 21 between 24, it passes through steel rope, be fixed on the pulley on the cage and be hinged on cage top, the rear end is heavy, the stop crossbeam 19 that front end is light connects, need be fixed with bearing cross beam 20 by the corresponding crossbeam of stopping of stop place portal frame at cage, constitute the linkage of cage switch door and stop, as accompanying drawing 2,6, shown in 7, after cage arrives needed height, steel rope loosens when opening the discharging opening door, stop crossbeam on the cage gently becomes the B state by A condition before afterwards weighing, promptly by skewed become horizontal, and support realizes safety stop on the bearing cross beam of portal frame; After material transported, cage promoted about 150mm, the discharging opening door was shut again, and the discharging opening door promotes adjust bar, draws steel rope to make about stop crossbeam rotation 50 degree, be skewed, promptly gets back to the inboard of bearing cross beam, and cage can move up and down.Do not having under the situation of safety stop like this, the feed inlet and outlet door can not be opened, the workmen just can not pass in and out cage, has prevented to weigh down the hurt sb.'s feelings generation of phenomenon of cage.

Safety is from rising among the material elevator embodiment, and disconnected rope self-locking device adopts JGA-II type, overload limiting device to adopt JCX-I type pressure sensor to constitute.This commercial articles, reliable operation is active in one's movements.

Claims (2)

1, a kind of safety is from rising material elevator, comprise and the fixing grade beam in ground, form portal frame with standard knot on the grade beam, install and the fixing attachment of building the portal frame appropriate position, winch is connected with cage by steel rope and rope sheave, it is characterized in that: day beam is the platform structure that is provided with guardrail, can supplies personnel to operate thereon, it is contained on the load-bearing crossbeam that places the portal frame relevant position, centre is equipped with rotatable barre and the manual winch of promoting on the platform, and the triangle raising legs that can hang jack is housed on the standard knot of top; Cage is installed between the portal frame channel-section steel slideway by band spring, compressible circle roller; The video intercom device is installed between control cabin, cage, and winch is installed on the grade beam of 0.2 meter of portal frame; In a rope sheave bottom overload limiting device is set, at the symmetrical clamping standpipe of disconnected rope self-locking device being installed and being cooperated, be fixed on the portal frame inboard with it of cage two middle side parts; A hinged control pavilion between the upper and lower door of cage discharging opening, the control pavilion by steel rope, be fixed on the cage pulley be hinged on the stop crossbeam that cage top, rear end are heavy, front end is light and be connected, portal frame cage need stop place, correspondence stop crossbeam is fixed with bearing cross beam.

2, safety as claimed in claim 1 is characterized in that from rising material elevator: disconnected rope self-locking device adopts JGA-II type, overload limiting device to adopt JCX-I type pressure sensor to constitute.

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