CN205500564U

CN205500564U - Escalator truss's hoisting accessory

Info

Publication number: CN205500564U
Application number: CN201620283937.9U
Authority: CN
Inventors: 吴晓燕; 李云波; 周洋
Original assignee: Suzhou Hubschmann Rhein Elevator Co Ltd
Current assignee: Suzhou Hubschmann Rhein Elevator Co Ltd
Priority date: 2016-04-07
Filing date: 2016-04-07
Publication date: 2016-08-24
Anticipated expiration: 2026-04-07

Abstract

The utility model provides an escalator truss's hoisting accessory, belongs to the auxiliary facilities technical field in the staircase manufacture process. Escalator truss includes the fretwork and truss body that be the frame shape structure, and the corresponding both sides on the length direction's of truss body upper portion respectively have a truss section bar, and hoisting accessory includes the limited iron plate of the pole of jib together corresponding to the tip setting of truss section bar, characteristics: at the tip of truss section bar and is prescribing a limit to the position of iron plate and has offered the jib and prescribe a limit to iron plate set screw hole corresponding to playing the jib, rise the jib prescribe a limit to the iron plate corresponding to rise the jib prescribe a limit to the position in iron plate set screw hole pass through the limited iron plate set screw of jib and the truss section bar is fixed towards decurrent one side to this jib is prescribed a limit to the iron plate and is constituted and have together that the jib tip holds the chamber, should lift by crane accent orientation that rod end portion holds the chamber down. Avoid warping because of welding stress causes the truss section bar, guarantee safety, ensure the quality of staircase self, resources are saved alleviates operation intensity and efficient.

Description

The boom hoisting of staircase and girder

Technical field

This utility model belongs to the technical field of auxiliary facilities in staircase manufacture process, is specifically related to the boom hoisting of a kind of staircase and girder, for the lifting at moving staircase girders or footpath truss sections.

Background technology

As is known in the industry, moving staircase girders or footpath truss are generally made up of multiple sections, and truss is the heaviest, in process of production need to be by means of lifting device such as crane to its handling.In order to provide handgrip to the handling of crane, thus need to fix transition member on truss, this transition member is aforesaid boom hoisting, is first drawn by lifting rope (usually steel wire rope) and in boom hoisting during use, then is drawn and lifting rope by the suspension hook of crane.

The boom hoisting of the staircase and girder in prior art includes that the state with corresponding front and back is arranged on the iron block of the section bar upper surface at truss sections, specifically by iron block solid welding at described section bar upper surface, and on iron block, offer the lifting rope hole passed for lifting rope, during lifting, first lifting rope is worn and in lifting rope hole, then lifting rope is hung the suspension hook in crane.Although this boom hoisting disclosure satisfy that the handling requirement of crane, but there is techniques below problem: one, owing to have employed welding, iron block is welded in the section bar upper surface of truss, thus can cause section bar that deformation in various degree occurs because of welding stress, affect the quality of staircase and girder；They are two years old, as aforementioned due to truss the heaviest, it is to be welded and fixed corresponding to the section bar upper surface at truss sections due to iron block again, thus the combination effect of iron block and section bar is often difficult to ensure, especially when there is the situation of failure welding, there is a point de-anxiety in iron block and section bar upper surface during crane lifts by crane, light then cause truss fall cause damage, heavy then cause staircase component and completed inside truss assembling other device damage, the most also can cause the accident of the life security jeopardizing online assignment personnel；Its three, due to when crane lifts by crane, other parts installed of staircase can be produced by lifting rope interferes, and affect the quality of staircase self；Its four, due to after crane completes handling to truss, still need and iron block removed, thus on the one hand remove and more bother, the most removed iron block cannot reuse because of gross distortion, has both caused the waste of resource, adds again production cost；Its five, whether by the section bar upper surface solid welding of iron block and truss still afterwards by iron block removal, the manipulation strength of workman is big and efficiency is low.

For above-mentioned prior art, it is necessary rational modification in addition, useful the exploring and positive design for this applicant has made repeatedly, defines technical scheme described below and has carried out computer simulation deduction test under taking secrecy provision, and result proves practicable.

Summary of the invention

Task of the present utility model is to provide one to contribute to abandoning and lifting boom limits iron block and truss section bar upper surface implement weld and use and avoid initiation truss section bar to deform, be conducive to stopping lifting boom restriction iron block during lifting to divide de-with truss section bar and use and guarantee safety, it is of value to and avoids during lifting, other parts being installed on truss being produced interference effect and using the quality of guarantee staircase self, have be easy to after rigging out to limit lifting boom iron block from truss section bar lossless removal and use guarantee lifting boom and limit iron block and reused and save resource and having and be good at lifting being limited quickly iron block and the locking of truss section bar or unlock and use the boom hoisting of the staircase and girder of the operation intensity significantly reducing online operating personnel.

nullTask of the present utility model is performed by，A kind of boom hoisting of staircase and girder，That described staircase and girder includes a hollow out and truss body in fiame-like construction，In the corresponding both sides on the top of the length direction of this truss body, respectively there is a truss section bar，Described boom hoisting includes that the lifting boom bar arranged corresponding to the end of described truss section bar limits iron block，It is characterised by the end of described truss section bar and offers lifting boom restriction iron block fixing screw hole in the position limiting iron block corresponding to described lifting boom，Described lifting boom limit iron block limit corresponding to lifting boom the position of iron block fixing screw hole fixed by lifting boom restriction iron block screw and described truss section bar towards under side fix，And this lifting boom limits iron block composition has boom end together to accommodate chamber，The accent in this receiving chamber, lifting boom end towards under.

In a specific embodiment of the present utility model, limiting the top of iron block at described lifting boom and offer fixing threaded hole in the position limiting iron block fixing screw hole corresponding to described lifting boom, described lifting boom limits iron block and fixes screw in lifting boom restriction iron block fixing screw hole screw-in fixing threaded hole.

In another specific embodiment of the present utility model, in the left and right cavity wall in receiving chamber, described lifting boom end and be positioned at the bottom of left and right cavity wall and respectively offer the pin pin-and-hole that a position corresponds to each other, this pin pin-and-hole is plugged with a pin pin, and screwed a pin pin at the end of pin pin and limit nut.

In another specific embodiment of the present utility model, the shape of cross section of described truss section bar is 7 fonts, and it is door font that described lifting boom limits the shape of iron block.

One of technique effect of technical scheme that this utility model provides, due to the end of truss section bar and corresponding to lifting boom limit iron block position offered lifting boom limit iron block fixing screw hole, and lifting boom is limited iron block limit corresponding to lifting boom position and the truss section bar of iron block fixing screw hole towards under side fix, thus without welding, it is to avoid because welding stress causes the truss section bar to deform；Two, due to lifting boom limit iron block be when corresponding to truss section bar towards under side fixing with truss section bar, thus do not have during lifting and divide de-situation to be ensured safety with truss section bar；Three, due to lifting boom limit iron block be positioned at truss section bar towards under side, thus lifting during will not to already installed on truss body other parts produce interfere and be guaranteed the quality of staircase self；Four, fix screw due to lifting boom restriction iron block by lifting boom restriction iron block to fix with truss section bar, whether lifting before installation or handling after lossless unload the most very convenient fast, thus both can embody good reusability and be economized on resources, can significantly alleviate again the operation intensity of operator and also there is the strong point that working performance is high.

Accompanying drawing explanation

Fig. 1 is embodiment of the present utility model and application examples schematic diagram.

Fig. 2 is the schematic diagram that this utility model is in lifting state.

Fig. 3 is the schematic diagram during truss body of the present utility model is in handling.

Detailed description of the invention

Refer to Fig. 1, show a truss body 1 of the structural system of staircase and girder, this truss body 1 is hollow out and the structure in frame-like, in the corresponding both sides on the top of the length direction of this truss body 1, respectively there is a truss section bar 11, showing that a lifting boom of the structural system of boom hoisting limits iron block 2, this lifting boom limits the iron block 2 end setting corresponding to truss section bar 11.

Technical essential as the technical solution of the utility model: offer lifting boom restriction iron block fixing screw hole 111 in the end of aforementioned truss section bar 11 and in the position corresponding to aforementioned lifting boom restriction iron block 2, aforesaid lifting boom limit iron block 2 limit corresponding to this lifting boom the position of iron block fixing screw hole 111 fixed by lifting boom restriction iron block screw 21 and truss section bar 11 towards under side fix, and this lifting boom limit iron block 2 constitute have together boom end accommodate chamber 22, the accent in this receiving chamber, lifting boom end 22 towards under.

As shown in Figure 1, limiting the top of iron block 2 at aforesaid lifting boom and offer fixing threaded hole 23 in the position limiting iron block fixing screw hole 111 corresponding to aforementioned lifting boom, aforesaid lifting boom restriction iron block is fixed screw 21 and is screwed in fixing threaded hole 23 by way of lifting boom restriction iron block fixing screw hole 111.

In the present embodiment, aforesaid lifting boom limits iron block fixing screw hole 111 and fixing threaded hole 23 is respectively arranged with a pair, and corresponding lifting boom restriction iron block fixes screw 21 two, but this quantity is not unique, such as can be according to needing increase.

In the left and right cavity wall in receiving chamber, aforementioned lifting boom end 22 and be positioned at the bottom of left and right cavity wall and respectively offer the pin pin-and-hole 221 that a position corresponds to each other, this pin pin-and-hole 221 is plugged with a pin pin 2211, and screwed a pin pin at the end of pin pin 2211 and limit nut 22111.

In the present embodiment, the shape of cross section of aforesaid truss section bar 11 is 7 fonts, and it is door font that aforesaid lifting boom limits the shape of iron block 2.

Refer to Fig. 2 and combine Fig. 1, show a lifting boom 3 in fig. 1 and 2, when truss body 1 is lifted by crane, first lifting boom is limited iron block 2 the position lifting boom limiting iron block fixing screw hole 111 corresponding to lifting boom limit iron block fix screw 21 and truss section bar 11 towards under side fix, again the end of lifting boom 3 is inserted in receiving chamber, lifting boom end 22, then pin pin 2211 is inserted pin pin-and-hole 221 and is limited nut 22111 by pin pin and limit.Respectively being fixed with the gear fake 31 on a surface being raised in lifting boom 3 by the way of welding at the two ends of lifting boom 3, lifting rope 4(uses steel wire rope) two ends be nested with on lifting boom 3.The boathook of hoist tool such as crane just can be drawn and implement handling in lifting rope 4 in this condition.

Refer to Fig. 3, Fig. 3 and show that truss body 1 is in the situation of handling state by crane.After truss body 1 completes handling, online assignment personnel first remove backing pin 2211, then remove lifting boom 3, and then remove lifting boom and limit iron block 2, and these parts are returned be stored in resting state, in order to reusing.

In sum, the technical scheme that this utility model provides compensate for the deficiency in prior art, has favorably accomplished invention task, has cashed the technique effect described in applicant's superincumbent technique effect hurdle faithfully.

Claims

null1. the boom hoisting of a staircase and girder，That described staircase and girder includes a hollow out and truss body (1) in fiame-like construction，Respectively there is a truss section bar (11) in the corresponding both sides on the top of the length direction of this truss body (1)，Described boom hoisting includes that the lifting boom bar arranged corresponding to the end of described truss section bar (11) limits iron block (2)，It is characterized in that offering lifting boom restriction iron block fixing screw hole (111) in the end of described truss section bar (11) and in the position limiting iron block (2) corresponding to described lifting boom，Described lifting boom limit iron block (2) limit corresponding to lifting boom the position of iron block fixing screw hole (111) fixed by lifting boom restriction iron block screw (21) and described truss section bar (11) towards under side fix，And this lifting boom limits iron block (2) composition has boom end together to accommodate chamber (22)，The accent in this receiving chamber, lifting boom end (22) towards under.
The boom hoisting of staircase and girder the most according to claim 1, it is characterized in that limiting the top of iron block (2) at described lifting boom and offering fixing threaded hole (23) in the position limiting iron block fixing screw hole (111) corresponding to described lifting boom, described lifting boom limits iron block and fixes screw (21) in lifting boom restriction iron block fixing screw hole (111) screw-in fixing threaded hole (23).
The boom hoisting of staircase and girder the most according to claim 1 and 2, it is characterized in that in the left and right cavity wall of receiving chamber, described lifting boom end (22) and be positioned at the bottom of left and right cavity wall respectively offering the pin pin-and-hole (221) that a position corresponds to each other, this pin pin-and-hole (221) is plugged with a pin pin (2211), and screwed a pin pin at the end of pin pin (2211) and limit nut (22111).
The boom hoisting of staircase and girder the most according to claim 1, it is characterised in that the shape of cross section of described truss section bar (11) is 7 fonts, it is door font that described lifting boom limits the shape of iron block (2).