CN1139708C - Scaffolding connector - Google Patents

Abstract

The present invention is directed to a scaffolding connector for securement to the end of a horizontal member to releasably secure the horizontal member to a vertical post. The connector comprises a suitably dimensioned steel sheet folded and shaped to form a back plate for securement of the connector to the end of a horizontal runner, generally triangular shaped top and bottom plates extending outwardly from the back plates and side plates extending downwardly from the sides of the top and upwardly from either side of the bottom plate.

Description

Scaffold fastenings

Invention field

The present invention relates to the scaffold that in builing industry and other industry, uses, particularly the improved scaffold fastenings that uses together with column, crossbeam or tubular scaffolding.

Background of invention

The application of column, crossbeam or tubular scaffolding is very general, and partly cause is that this scaffold is in the compliance that forms irregular vpg connection.This column, crossbeam or tubular scaffolding couple together formation with vertical pillars and horizontal cross member (may also have diagonal brace).The angle position that horizontal cross member is connected with vertical pillars has many, is not limited to as common scaffold (being made of the welding end structural member with two vertical legs and some lateral member) such vertical connection.The connection of this pattern causes the versatility aspect formation scaffold regular shape, is not limited to the common general rectangle that constitutes with end construction spare and lateral member.

The suitable connector that is used for being connected of the horizontal cross member of column, cross beam type scaffold and vertical pillars and generally is by will being attached to the horizontal cross member end is connected realization with suitable bearing or other similar structures on being attached to vertical pillars.End connector generally has a wedge-type locking member, and it detachably is locked at end coupling on the seat of column.By the agency of in the United States Patent (USP) 4,493,578 that this structure is to authorize the United States Patent (USP) 4,522,527 of C.M.Grandpierre on June 11st, 1985 and authorize M.S.D ' Alessio on January 15th, 1985.

United States Patent (USP) 4,493,578 have specifically introduced a kind of column and crossbeam scaffold, and wherein, the end of connector and horizontal beam or similar lateral member forms integral body.There is the translot of a longitudinal extension end of this connector, and the width of groove and the flange ring that is fixed on the column match.The top and the bottom of connector also have otch, so that connector leans against on the column.Horizontal element tube wall on the connector is crushed, so that increase the intensity and the rigidity of connector.The notch that the top of connector and bottom configuration locking wedge can pass through.

Summary of the invention

The present invention relates to a kind of scaffold fastenings that is fixed on the horizontal element end, it is fixed to horizontal element on the column, can take apart.Connector comprises a steel plate that size is suitable, this steel plate forms through bending and the back that is shaped connector is fixed to back plate on the horizontal beam, by overhanging general top board and the base plate triangular in shape of back plate, and the side plate that extends downwards from the top board side and from the upwardly extending side plate in base plate side.

To brief description of drawings

Preferred embodiment of the present invention represents with accompanying drawing, wherein:

Fig. 1 is the phantom drawing of scaffold fastenings of the present invention and column embodiment;

Fig. 2 is Fig. 1 connector and partial, partially-cross-sectioned side-elevation view after column is connected;

Fig. 3 is according to several connectors of Fig. 1 and vertical view after column is connected;

Fig. 4 is the phantom drawing of Fig. 1 connector and locking pin;

Fig. 5 is the elevation of Fig. 1 connector and locking pin;

Fig. 6 is the phantom drawing of Fig. 1 connector front;

Fig. 7 is the phantom drawing of Fig. 1 connector back;

Fig. 8 is the slab vertical view that forms Fig. 1 connector;

Fig. 9 is the embodiment phantom drawing that connector of the present invention and wind resistance support are used together;

Figure 10 is the vertical view of Fig. 9 connector;

Figure 11 is the decomposition diagram of Fig. 9 connector;

Detailed description of the preferred embodiment

A preferred embodiment having represented scaffold fastenings of the present invention in the accompanying drawing.Whole connector is represented with numeral 10.As shown in Figure 1, the end of the horizontal element 12 of scaffold fastenings 10 and connection system for guide rail is connected.Scaffold fastenings 10 by and vertical pillars 14 on annex (as retaining ring 16) thereby firmly engage horizontal element 12 and vertical pillars 14 are coupled together.A level trough 18 that engages with retaining ring 16 is arranged on the connector 10.There is a locking wedge 20 removably connector 10 to be locked on the retaining ring 16 by the perforate on the retaining ring 16 22.Retaining ring 16 is generally foundry goods or drip molding, is welded on the column 14 by weld seam 24.

As shown in the figure, connector 10 is formed by size suitable steel plate bending or bending, and this point is introduced later again.Connector 10 and horizontal element 12 adopt proper method (for example weld seam 26) to couple together.

As shown in the figure, connector 10 has a back plate 30 that is connected with horizontal element 12.From back plate 30 protruding general top board 32 and base plates 34 triangular in shape.Stretch out side plate 36 from the both sides of top board 32 downwards and protrude upward side plate 38 from the both sides of base plate 34.Side plate 36 becomes the level trough 18 of connector with each edge of 38. Side plate 36 and 38 has extension wing 40 and 42, and extension wing 40 and 42 constitutes the bottom of level trough 18 and draws close mutually and close back plate 30.

The notch 44 that passes through for locking pin 20 is arranged on the top board 32.Similarly, notch 46 is arranged also on the base plate 34, locking pin engages retaining ring 16 and connector 10 by it and throws off, and this point is explained later again.Notch 44 on the top board 32 preferably extend to the back plate 30 on, even can also from the back plate 30 the top a little downwards.The body that the width of notch 44 allows locking wedge 20 is from wherein passing through, and prevents the band brake pin 50 relevant with locking wedge 20 from wherein passing through but this notch 44 is enough narrow, thereby makes the end of locking the wedge body remain on the inside of connector 10.Shorter on notch 46 length on the base plate 34 than notch 44, but width is big than notch 44, so banking pin 50 can be by the notch 36 on the base plate 34.

As shown in Figure 8, connector 10 is folded into desirable shape by the suitable steel plate of size.Steel plate is sheared according to the pattern that just can obtain the required form connector through bending and is formed.In the preferred embodiment shown in Figure 8, steel plate is after shearing, and at first along the line 60 are converted into tenon mouth 52, as the guiding device with connector 10 and retaining ring 16 alignings.The steel plate blank slightly inwardly snaps in the recess 54 of back plate 30 sides the end of extension wing 40 and 42 then along 62 bendings of second fold line.Then, with connector 64 bendings along the line, thus the side plate 36 and 38 of formation top board and base plate 30,32.At last, connector along the line 66 is bent into from back plate 30 outwardly directed top boards and base plate 32,34.

As shown in the figure, aligned portions (as shrinkage pool 56) is arranged preferably on the back plate 30, be used for when connector 10 is connected with horizontal element 12, locating rightly.Aligned portions 56 is positioned in the internal diameter of tubulose horizontal element 12, and as previously mentioned, connector 10 utilizes aligned portions 56 to locate on the end face of horizontal element 12.In order permanently to connect connector 10 and horizontal element 12, weld into weld seam 26 with the end joints of horizontal element 12 at the back plate 30 of connector 10.Then, weld seam 28 is welded in the aperture between extension wing 40 and 42, thereby side plate 36 and 38 is coupled together reliably.Then, will lock wedge 20, again banking pin 50 be installed on the locking wedge 20, and so just make horizontal element 12 and end coupling 10 finally become complete built-up member by notch 44 and 46.

As shown in the figure, particularly as Figure 1-3, horizontal element 12 is removable with connector 10 with being connected of vertical pillars 14, and is as described below:

Retaining ring 16 is embedded in the level trough 18 of connectors 10, and connector 10 slides on the position of a perforate 22 of retaining ring 16." make progress " the locking wedge 20 of position of shown in Figure 1 being in is pushed down or falls this moment, by the notch 46 on the base plate 34 of perforate on the retaining ring 16 22 and connector 10.Have keyway or recess 70 in the perforate 22, to engage with locking wedge 20.Like this, connector is just fixed and is locked in the retaining ring 16, and can dismantle, thereby horizontal element 12 and vertical pillars 14 can be coupled together with dismantling.

There is slight concave surface in the forward position of connector 10, and connector 10 is leaned against on the wall of vertical pillars 14, thereby makes connector reliable with being connected of vertical pillars 14 with horizontal element 12.This slight concave surface is that the leading edge that leans against plate slab is given arc radius or concave realization, sees Fig. 8.

As shown in the figure, the end of locking wedge 20 preferably makes curved shape, and when locking wedge 20 is in locked position (Fig. 2), the end of locking wedge 20 and vertical pillars 14 are from a distance like this.This shape of locking wedge end helps to throw off the locking wedge when removing scaffold.In many cases, break away from locked positions, need it upwards be pushed away, make the bond-off of the perforate 22 of it and retaining ring 16 with the end that proper implements or apparatus (as hammer) knock the locking wedge in order to make locking wedge 20.Make shape shown if will lock the end of wedge 20, will make the workman be easy to knock near this terminal tool using or apparatus.

Shown in Fig. 9-11, connector 10 of the present invention also is suitable for together using with wind resistance support 80.General wind resistance support 80 all is designed to be connected with column 14 by diagonal, and requires to have between wind resistance support 80 and connector 10 compliance of translation-angle.In addition, connector 10 generally is connected with retaining ring 16 by eccentric position with the end of wind resistance support 80, and therefore, general shape at an angle between the center line of the center line of connector 10 and wind resistance support 80.Utilize connector 10 of the present invention, if adorn a wind resistance support installing plate 82 on its back plate 30, these require just very easily satisfied so.Wind resistance support installing plate 82 is a V-shaped plate, is connected with back plate 30 with proper method (for example weld seam 84).The steel plate bending that wind resistance support installing plate 82 the most handy sizes are suitable or be bent into shallow band leg " U " shape channel-section steel then, reaches common " V " shape in the relative direction bending of leg.The end face that " V " shape is opened wide is parallel, and is 90 ° of angles with respect to the back plate 30 of connector.Have hole 86 on V-arrangement two legs of wind resistance support installing plate 82.Place a suitable nut in V-arrangement, the design of V-arrangement can make nut fixedly prevent its rotation.It is tightly fixing together that bolt passes the pipe 80 and the packing ring of wind resistance support.Wind resistance support now 80 just is free to swing to the angle of hope.Because the both sides of installing plate 82 are all porose 86, so and the connector 10 of the wind resistance support 80 band installing plates 82 that together use just be contained in wind resistance and support the left side or the right of 80 compliance is provided as connector.This separately makes the problem of the right and left side connector with regard to the needs that overcome prior art wind resistance support existence always.For example United States Patent (USP) 4,493,578 show like that.

Owing to make respectively with steel plate and horizontal element 12, to form connector 10 of the present invention, so the benefit that connector 10 has intensity to improve.Like this, connector 10 of the present invention can be with the thicker steel plate of the steel plate of using than general manufacture level spare.Horizontal element that general scaffold is used and column be with about 0.120 standard steel plate manufacturing, by contrast, and the most handy thicker steel plate of connector of the present invention (for example about 0.160 standard steel plate).Because make connector with thicker steel plate, so, higher intensity had than the connector made from the horizontal element end.Connector 10 of the present invention is made by the suitable steel plate of bending size, so its cost of production is lower than the casting connector, also keeps the high advantage of connector intensity simultaneously.

Though this paper has done detailed description to different preferred embodiment of the present invention, person of skill in the art will appreciate that still have the variation that does not break away from the present invention's spirit and claims scope.

Claims (10)

1. one kind detachably is fixed to the connector on the vertical pillars in the connection system for guide rail attached to the horizontal element end with horizontal element, it comprises a steel plate that size is suitable, forms through bending and the back that is shaped connector is fixed to back plate on the horizontal element end, extends by the back overhanging top board triangular in shape of plate and base plate and under the every side direction of top board and from the upwardly extending side plate of the every side of base plate.

2. connector as claimed in claim 1, wherein, the side that adjoins the back plate has the extension wing that side is coupled together, and the side of extension wing front constitutes a groove of accepting on the vertical pillars in order to the mount pad of fixed connecting piece.

3. connector as claimed in claim 2 wherein, has notch on top board and the base plate, by wherein locking wedge connector detachably is fixed on the mount pad.

4. connector as claimed in claim 3 wherein, has positioning means on the back plate, is used for location when connector is fixed on the horizontal element.

One kind in the stand column and beam connection system for guide rail and the horizontal element that uses together of vertical pillars, it comprises a metal tube, at least one end has horizontal element detachably is fixed to the connector that vertical pillars gets on the metal tube, this connector is hollow, form by the steel plate that bends a slip gauge sizing, it has a back plate that is attached to the horizontal element end, by the outward extending top board of connector and base plate and the wallboard that extended to the connector center by top board and base plate.

6. horizontal element as claimed in claim 5, wherein, the connector side that adjoins the back plate has the extension wing that side is coupled together, and the side of extension wing front constitutes one and accepts on the vertical pillars in order to the groove of the mount pad of fixed connecting piece detachably.

7. horizontal element as claimed in claim 6 wherein, has notch on the top board of connector and the base plate, and the locking wedge is by wherein detachably being fixed to connector on the mount pad.

8. the connector in the stull that is fixed in the stand column and beam connection system for guide rail, this connector comprises: the steel plate that size is suitable, plate after forming one through bending and the back that is shaped extends downwards by the overhanging top board triangular in shape of back plate and base plate and from every limit of top board and from the upwardly extending side plate in base plate both sides; One is fixed to fastening devices from the stull that extends back of plate of back with connector, and this fastening devices can be fixed on connector on the left side or location right of stull.

9. connector as claimed in claim 8, wherein, the side that adjoins the back plate has the extension wing that side is coupled together, and the side of extension wing front constitutes one and accepts on the vertical pillars in order to connector is fixed to the groove of a mount pad on the front pillars.

10. connector as claimed in claim 9 wherein, has notch on top board and the base plate, and the locking wedge therefrom passes through, and connector detachably is fixed on the mount pad.

Images