CN201074154Y

CN201074154Y - Overlapping apparatus for escalator girder segmentation parts

Info

Publication number: CN201074154Y
Application number: CNU2007201088994U
Authority: CN
Inventors: 王永和
Original assignee: Ningbo Hongda Elevator Co Ltd
Current assignee: Ningbo Hongda Elevator Co Ltd
Priority date: 2007-04-29
Filing date: 2007-04-29
Publication date: 2008-06-18
Anticipated expiration: 2017-04-29

Abstract

The utility model discloses an overlapping device in escalator truss sectionalized position, which comprises at least three threaded bolts and two finish machining surface clinging link blocks (3) with fastening nuts (4), the two link blocks (3) are provided with locating pins (6) which are paralleled with the nuts (4), two quartering right-angle side are welded and fixed with two inner wall of an angle iron (5) which is arranged on the front truss (1), and one end is extended from the front truss (1) direction, the inner wall of the extension segment is clingingly welded and fixed with the outer wall of the beam (1a) of the front truss (1), one end which is arranged on the rear truss (2) is extended from the rear truss (2) direction, the inner wall of the extension segment is clingingly welded and fixed with the outer wall of the beam (2a) of the rear truss (2). The overlapping device in escalator truss sectionalized position is small in machined surface, simple in manufacturing technique and low in manufacturing cost.

Description

The lapping device of moving staircase girders segmentation place

Technical field

The utility model relates to a kind of truss of escalator, specifically is the lapping device of a kind of moving staircase girders segmentation place.

Background technology

Truss is the support component that plays an important role in the escalator, generally is that cross-sectional plane is the rectangle and the steel framework of extending along its length.During use, steel framework tilts to place, and it has the connection platform in two ends up and down.During practical application, be used for the high truss that promotes staircase,, generally adopt the segmentation bridging arrangement: by the usage of trade, generally work as the truss total length and surpass 12 meters, promptly adopt the segmentation lapping device for ease of freight container traffic and installation.

The lapping device of moving staircase girders segmentation place of prior art is generally two kinds, a kind of is the superposing type lapping device: all formed by bolted after accurately machined cuboid steel stack by three vertical four sides, wherein two are welded with forward and backward truss respectively, and one is auxiliary supports in the middle of it; A kind of is the angle steel lapping device: formed by bolted after being fitted by two vertical angle steel dos-s, whole binding face all needs fine limit work; Be the needs of intensity, more than two kinds of lapping devices up and down the bottom-to-top-height of addition be generally more than 2/3rds of truss rectangle height; The common defects of these two kinds of lapping devices is that finished surface is big, manufacturing process complexity, manufacturing cost height.

The utility model content

The technical problems to be solved in the utility model is, overcomes the defective of above prior art, provides that a kind of finished surface is little, manufacturing process simple, the lapping device of moving staircase girders segmentation place of low cost of manufacture.

Technical solution of the present utility model is, a kind of lapping device with moving staircase girders segmentation place of following structure is provided, left upper end, lower-left end, upper right side, bottom righthand side at preceding truss and back truss respectively have a lapping device in the junction everywhere, described lapping device comprises by a plurality of bolts and two fastening contiguous blocks of nut thereof, on described two contiguous blocks the locating dowel pin parallel with bolt arranged, two straight flanges at the formation right angle of described contiguous block and the welding of two inwalls of angle steel are fixing; Angle steel one end before described being located on truss truss direction forward extends, and the outer wall of truss and welding were fixing before the inwall of its extension was close to; The described angle steel one end truss direction extension of being located on the truss of back backward, it is fixing that the inwall of its extension is close to the outer wall and the welding of back truss.

After adopting above structure, the lapping device of the utility model moving staircase girders segmentation place compared with prior art has the following advantages:

Because the face that the faying face that only has two contiguous blocks to be close to is processed for needs, its polished surface is very little; Simultaneously, before and after angle steel is welded on the crossbeam of truss and column and operation that two contiguous blocks are welded on the angle steel all very simple, so its manufacturing process is simple, low cost of manufacture; And adopt this lapping device, and its resistance to compression and tensile strength are all very high, and safety is very strong, and dismounting and assembling are all very convenient.

As improvement, described locating dowel pin can adopt taper pin, and the pin-and-hole that matches with locating dowel pin on two contiguous blocks also is conical bore, makes the connection contraposition of two contiguous blocks and even front and back truss more accurate.

As further improvement, described a plurality of bolts and nut thereof are three at left upper end and upper right side, promptly have on two contiguous blocks for three three through holes that bolt passes, and described three through holes are 1 font and arrange; Described a plurality of bolt and nut thereof, at lower-left end and bottom righthand side is four, promptly have on two contiguous blocks for four four through holes that bolt passes, described four L-shaped arrangements of through hole, both saved material, this lapping device is strengthened more in the lower-left of the stressed maximum of truss sections end and bottom righthand side resistance to compression and tensile strength.

As further improving, the fixing crossbeam of angle steel and preceding truss and the outer wall of column of referring to of the outer wall welding of described angle steel and preceding truss welds fixing again; Described angle steel and the outer wall welding of back truss be fixing to refer to that the outer wall welding of the crossbeam of angle steel and back truss and column is fixing, and its resistance to compression of outer wall and the tensile strength than welding beam only is higher like this.

As further improving, the described bottom that establishes the angle steel at contiguous block place is welded with the triangle boss of humidification on the back of the column of preceding truss again; The described bottom that establishes the angle steel at contiguous block place is welded with the triangle boss of humidification equally on the front of the column of back truss, make resistance to compression of this lapping device and tensile strength higher.

Description of drawings

Fig. 1 is the structural representation of lapping device of segmentation place of the left upper end of the utility model moving staircase girders and lower-left end.

Fig. 2 is the sectional structure scheme drawing along A-A line among Fig. 1.

Shown in the figure 1, preceding truss, the crossbeam of 1a, preceding truss, the column of 1b, preceding truss, 2, the back truss, the crossbeam of 2a, back truss, the column of 2b, back truss, 3, contiguous block, 4, bolt and nut thereof, 5, angle steel, 6, locating dowel pin, 7, boss.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

In Fig. 1, Fig. 2, the lapping device of this moving staircase girders segmentation place respectively has i.e. totally four lapping devices in the junction everywhere at the left upper end of preceding truss 1 and back truss 2, lower-left end, upper right side, bottom righthand side.Two lapping devices of left upper end and lower-left end only are shown among the figure.

Described lapping device comprises the contiguous block of being close to by a plurality of (cover) bolts and nut 4 two fastening its polished surfaces thereof 3.Described a plurality of, at left upper end and upper right side is three, promptly has on two contiguous blocks 3 for three three through holes that bolt passes, and described three through holes are 1 font and arrange, that is to say that two contiguous blocks 3 of left upper end and upper right side are spirally connected by three bolts that are a vertical line and nut thereof and tighten up.The bolt of described lower-left end and bottom righthand side and nut 4 thereof are four, and have on two contiguous blocks 3 for four four through holes that bolt passes, described four through holes are L (word) shape to be arranged, and promptly two contiguous blocks 3 of lower-left end and bottom righthand side are spirally connected by four bolts of L shaped arrangement and nut thereof and tighten up.

Having with bolt 4 on described two contiguous blocks 3 is that the parallel locating dowel pin of screw (not shown) 6 reaches the dowel hole (not shown) that matches with locating dowel pin, and described locating dowel pin 6 is a taper pin, and the pin-and-hole that matches with locating dowel pin 6 on two contiguous blocks 3 also is conical bore.

Two straight flanges at the formation right angle of described contiguous block 3 and the welding of two inwalls of angle steel 5 are fixing.Angle steel 5 one ends before described being located on the truss 1 truss 1 direction forward extend, and also (with it) welding was fixing for the outer wall of the crossbeam 1a of truss 1 and column 1b before the inwall of its extension was close to.The described angle steel 5 one ends truss 2 directions extension of being located on the truss 2 of back backward, the inwall of its extension is close to the crossbeam 2a of back truss 2 and the outer wall of 2b also welds fixing.

The bottom of the described angle steel 5 of establishing contiguous block 3 places is welded with the triangle boss 7 of humidification with the back of the column 1b of preceding truss 1; The bottom of the described angle steel 5 of establishing contiguous block 3 places is welded with the triangle boss 7 of humidification equally with the front of the column 2b of back truss 2.

The processing and the installation process of the lapping device of this moving staircase girders segmentation place are as follows:

Earlier locating dowel pin 6 of two contiguous blocks, 3 usefulness and three bolts and nut 4 thereof are located and be fastenedly connected, it is fastening that two contiguous blocks 3 after will tightening up again and (standard) angle steel 5 are put into unit clamp, adopt the mode of successive welding that two connecting panels 3 are integral with angle steel 5 assembly weldings, form the lapping device package of moving staircase girders left upper end and upper right side segmentation place; Again locating dowel pin 6 of two connecting panels, 3 usefulness and four bolts and nut 4 location thereof are fastenedly connected, it is fastening that two contiguous blocks 3 after will tightening up again and angle steel 5 are put into unit clamp, adopt the mode of successive welding that two connecting panels 3 are integral with angle steel 5 assembly weldings, form the lapping device package of moving staircase girders lower-left end and bottom righthand side segmentation place; Lapping device package with left upper end and lower-left end places staircase and girder assembly welding mould respectively again, with crossbeam 1a, the 2a of forward and backward truss 1,2 and the continuous assembly welding of square tube of column 1b, 2b; Lapping device package with upper right side and bottom righthand side places staircase and girder assembly welding mould respectively again, promptly finishes the general assembly of the lapping device of this moving staircase girders segmentation place with the continuous assembly welding of square tube of crossbeam 1a, the 2a of forward and backward truss 1,2 and column 1b, 2b.When needing to use freight container traffic, unclamp all bolt nuts 4 and the locating dowel pin 6 of this lapping device, take its lapping device apart.Wait to transport to behind the use scene again with locating dowel pin 6 location, tighten forward and backward truss 1,2 is solidified as a whole with bolt and nut 4 thereof and get final product.

Concrete structure of the present utility model allows various variations, can change as the number and the ordered state of bolt and nut 4 thereof; Also can not establish boss 7; Locating dowel pin is not a taper shape etc. yet.These variations all fall in the protection domain of the present utility model.

Claims

1. the lapping device of moving staircase girders segmentation place, left upper end, lower-left end, upper right side, bottom righthand side at preceding truss (1) and back truss (2) respectively have a lapping device in the junction everywhere, it is characterized in that: described lapping device comprises the contiguous block of being close to by a plurality of bolts and two fastening its polished surfaces of nut (4) thereof (3), the locating dowel pin (6) parallel with bolt (4) arranged on described two contiguous blocks (3), and the two inwalls welding of two straight flanges at the formation right angle of described contiguous block (3) and angle steel (5) is fixing; Described angle steel (5) one ends truss (1) the direction extension of being located on the preceding truss (1) forward, it is fixing that the inwall of its extension is close to the outer wall and the welding of preceding truss (1); Described angle steel (5) one ends truss (2) the direction extension of being located on the back truss (2) backward, it is fixing that the inwall of its extension is close to the outer wall and the welding of back truss (2).

2. the lapping device of moving staircase girders according to claim 1 segmentation place, it is characterized in that: described a plurality of bolts and nut (4) thereof, at left upper end and upper right side is three, promptly has on two contiguous blocks (3) for three three through holes that bolt passes, and described three through holes are 1 font and arrange; Described a plurality of bolt and nut (4) thereof are four at lower-left end and bottom righthand side, and described four L-shaped arrangements of through hole are promptly arranged on two contiguous blocks (3) for four four through holes that bolt passes.

3. the lapping device of moving staircase girders according to claim 1 segmentation place, it is characterized in that: described angle steel (5) is fixing with the outer wall welding of preceding truss (1), refers to that angle steel (5) and the crossbeam (1a) of preceding truss (1) and the outer wall of column (1b) weld fixing; Described angle steel (5) is fixing with the outer wall welding of back truss (2), refers to that angle steel (5) and the crossbeam (2a) of back truss (2) and the outer wall welding of column (2b) fix.

4. the lapping device of moving staircase girders according to claim 1 segmentation place, it is characterized in that: described locating dowel pin (6) is a taper pin, it also is conical bore that two contiguous blocks (3) are gone up the pin-and-hole that matches with locating dowel pin (6).

5. according to the lapping device of any one described moving staircase girders segmentation place in the claim 1～4, it is characterized in that: the described bottom that establishes the angle steel (5) that contiguous block (3) locates is welded with the triangle boss (7) of humidification on the back of the column (1b) of preceding truss (1); The described bottom that establishes the angle steel (5) that contiguous block (3) locates is welded with the triangle boss (7) of humidification equally on the front of the column (2b) of back truss (2).