CN201326272Y

CN201326272Y - Steel pipe scaffold connector

Info

Publication number: CN201326272Y
Application number: CNU2008202301836U
Authority: CN
Inventors: 范品文
Original assignee: China Gezhouba Group Co Ltd
Current assignee: Gezhouba Group's Electric Power Company Ltd.; China Gezhouba Group Co Ltd
Priority date: 2008-12-12
Filing date: 2008-12-12
Publication date: 2009-10-14
Anticipated expiration: 2018-12-12

Abstract

The utility model discloses a steel pipe scaffold connector which comprises a tapered pipe; the inner hole of the tapered pipe is processed with toothed circular grains at intervals; a longitudinal seam is arranged on the tapered pipe in the longitudinal direction; one end of the tapered pipe is a bevel matched with the bevel of the inner hole of a connection board, and pipe threads matching with a jam nut are arranged at the other end of the tapered pipe; a plurality of convex lugs are arranged outside the connection board; and the convex lugs are connected with a fixed branch pipe connector or a branch pipe connector. The inner diameter of the tapered pipe is larger than that of the steel pipe of the scaffold; toothed circular grains are processed in the inner hole of the tapered pipe at intervals, which can increase the snap-in force between the tapered pipe and the steel pipe. A 3-4mm longitudinal seam is cut out on the tapered pipe in longitudinal direction to lead the tapered pipe to be capable of successfully pressing the steel pipe when being squeezed by the external force of the nut; and the connection body can be conveniently connected with the fixed branch pipe connector or the branch pipe connector through the convex lugs. The device has a simple and reliable structure, saves materials, is convenient to use, is connected more tightly when the load is heavier, and is safe and reliable.

Description

A kind of steel pipe scaffold connector

Technical field

The utility model relates to a kind of linkage of scaffold.

Background technology

During existing scaffolding steel pipe fastener connected, because decentraction between the steel pipe makes stressed skew, the strength of bearing was very limited, and has influenced the performance of material property.The bowl fastening type scaffold is made complicated, the cost height, and versatility is poor.

Summary of the invention

The purpose of this utility model is will provide between a kind of steel pipe can guarantee center line in same plane after the connection, and material property is not fully exerted, and parts are made simple and convenient, and cost of manufacture reduces, the steel pipe scaffold connector that versatility is good.

The purpose of this utility model is achieved in that a kind of steel pipe scaffold connector, comprises Taper Pipe, is provided with in the endoporus of Taper Pipe at interval and processes the dentate gyrus line, and Taper Pipe vertically is provided with longitudinal joint, and an end of Taper Pipe is the inclined-plane, and the inclined-plane matches with the inclined-plane of the endoporus of connector; The other end is a gas thread, and screw thread cooperates with check nut, and a plurality of convex otic placodes are established in the connector outside, and the convex otic placode is with fixedly branch pipe connection or branch pipe connection link to each other.The yoke of branch pipe connection front end is connected with the convex otic placode by the joint pin, and the branch pipe connection bottom is provided with screw thread, match with tubular nut on being enclosed within steel pipe, and be the inclined-plane bottom the tubular nut, match with wedge shape Taper Pipe sheet on the steel pipe.Be provided with the dentate gyrus line in the endoporus of wedge shape Taper Pipe sheet, wedge shape Taper Pipe sheet vertically is provided with longitudinal joint.

The steel pipe scaffold connector that the utility model provides, the Taper Pipe internal diameter is processed the dentate gyrus line at interval than processing in the big endoporus of scaffolding steel pipe, can increase the snap-in force with steel pipe; Taper Pipe vertically cuts out the 3-4mm longitudinal joint, can compress steel pipe smoothly when making Taper Pipe be subjected to the extruding of nut external force; Connector can be easily links to each other with fixedly branch pipe connection or branch pipe connection by the convex otic placode, and this apparatus structure is simple and reliable, saves material, and is easy to use; Load reconnects tighter and tighter, and is safe and reliable.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that the A of Fig. 1 is to view.

Fig. 3 is the embodiment that is connected with fixing branch pipe connection.

Fig. 4 is the embodiment that is connected with branch pipe connection that can on-the-spot splicing.

The specific embodiment

As shown in Figure 1, Taper Pipe 1 is selected the processing of high-quality steel for use, and its internal diameter is than the big 0.1mm of scaffolding steel pipe, and processing is processed dentate gyrus line 11 at interval in the endoporus 10, its objective is the snap-in force that increases with steel pipe.Taper Pipe 1 vertically cuts out the 3-4mm longitudinal joint, so that can compress steel pipe smoothly when Taper Pipe 1 is subjected to the extruding of check nut 3 external force.Taper Pipe 1 external diameter is decided according to the size of scaffolding steel pipe than the big 12-16mm of internal diameter.One end of Taper Pipe 1 is the inclined-plane, and the inclined-plane matches with the inward hole slope of connector 2.The gradient unanimity.The other end is a gas thread, cooperates with check nut 3, and the size of gas thread is consistent.Connector 2 is made by the high-quality steel, and 2-6 convex otic placode 9 established in the outside, and convex otic placode 9 is with fixedly branch pipe connection 4 or branch pipe connection 7 link to each other.The steel pipe number that the quantity of convex otic placode 9 optionally connects and deciding, relevant with the construction occasion at place.The endoporus of connector 2 is the inclined-plane, and the inclined-plane ratio is the gradient 1: 10～1: 20, decides on the scaffolding steel pipe size.Check nut 3 usefulness high-quality steel are made.During installation, earlier Taper Pipe 1 is inserted in, is inserted in connector 2 once more, be inserted in check nut 3 at last.When above positioning parts behind assigned address, check nut 3 is tightened, at this moment, because the effect of the conical surface will be oppressed Taper Pipe 1 and shrink, because Taper Pipe 1 is had longitudinal joint, shrink very convenient, thereby Taper Pipe 1 and connector 2 be fastened on the scaffolding steel pipe, because spaced dentate gyrus line 11 in tapered sleeve 1 endoporus, being connected between connector 2 and the steel pipe is very firm.And because be the conical surface, stressed when downward when connector 2, will oppress Taper Pipe 1 and tighten up, thereby have, the safety factor height from pressuring action.

Connector 2 be connected with fixing branch pipe connection 4 with the embodiment that is connected with branch pipe connection 7 that can on-the-spot splicing as shown in Figure 3 and Figure 4.

Fig. 3 is the fixedly enforcement of strut connector 4: fixedly strut connector 4 one ends are processed into the cylinder convex, insert in the steel pipe hole.The touching position finished edge adopts the good welding rod welding, and postwelding carries out nondestructive flaw detection examination.Come into operation after qualified.Fixedly the application of pole is that the design size of framed bent is definite, does not need to adjust repeatedly at the scene.Thereby determine that according to the designing requirement of framed bent the length of arm carries out processing customized.

Adjust repeatedly at the scene when need, when determining to prop up length of tube, can adopt and to adjust branch pipe connection, see shown in Figure 4.The yoke 12 of branch pipe connection 7 front ends is connected with convex otic placode (9) by joint pin 8.The implementation method of on-the-spot adjustable branch pipe connection 7 is among the figure: branch pipe connection 7 one ends are processed into the cylinder convex, insert in the steel pipe hole.Joint is processed with screw thread outward, and screw thread and tubular nut 5 match, and tubular nut 5 inner bottom surfaces are processed with the inclined-plane, and the surface slope ratio is 1: 10～1: 20, decides on the scaffolding steel pipe size.Wedge shape Taper Pipe sheet 6 is housed in the tubular nut 5, and processing is processed the dentate gyrus line at interval in its endoporus, its objective is the snap-in force that increases with steel pipe.Wedge shape Taper Pipe sheet 6 vertically cuts out the 3-4mm longitudinal joint, and internal diameter is than the big 0.1-0.2mm of scaffolding steel pipe, and external surface is the inclined-plane, matches with clamping nut 5.When wedge shape Taper Pipe sheet 6 is installed, earlier tubular nut 5, wedge shape cone sheets 6 are inserted in steel bushing in turn, branch pipe connection 7 inserts in the steel pipe then, with clamping nut 5 branch pipe connection 7 screw threads of screwing on, in rundown process, the inclined-plane, the interior end of nut 5 compressing wedge shape Taper Pipe sheet 6 outer inclined-planes compress steel pipe at last.Because the steel pipe internal orifice has the steel axle, thereby guarantees that thrust can maintain lastingly.Thereby this linkage is very reliable.

Claims

1, a kind of steel pipe scaffold connector, comprise Taper Pipe (1), it is characterized in that: be provided with in the endoporus (10) of Taper Pipe (1) at interval and process dentate gyrus line (11), Taper Pipe (1) vertically is provided with longitudinal joint, one end of Taper Pipe (1) is the inclined-plane, and the inclined-plane matches with the inclined-plane of the endoporus of connector (2); The other end is a gas thread, and screw thread cooperates with check nut (3), and a plurality of convex otic placodes (9) are established in the connector outside, and convex otic placode (9) is with fixedly branch pipe connection (4) or branch pipe connection (7) link to each other.

2, steel pipe scaffold connector according to claim 1, it is characterized in that: the yoke (12) of branch pipe connection (7) front end is connected with convex otic placode (9) by joint pin (8), branch pipe connection (7) bottom is provided with screw thread, match with the tubular nut (5) on being enclosed within steel pipe, tubular nut (5) bottom is the inclined-plane, matches with wedge shape Taper Pipe sheet (6) on the steel pipe.

3, steel pipe scaffold connector according to claim 2 is characterized in that: be provided with the dentate gyrus line in the endoporus of wedge shape Taper Pipe sheet (6), wedge shape Taper Pipe sheet (6) vertically is provided with longitudinal joint.