CN214739830U - Scaffold supporting and connecting assembly - Google Patents

Abstract

The utility model belongs to the scaffold frame field especially relates to a scaffold frame supports coupling assembling. It includes: the connecting fastener is provided with a lower bolt hole; the composite bolt consists of a bolt head and a bolt rod, wherein the bolt head and the bolt rod are installed in a convex fit mode through a rotary groove and a ring, so that one end of the bolt rod is embedded into the bottom of the bolt head and can rotate around the axis of the bolt rod; the outer surface of the bolt head is provided with external threads, and the bolt column is fixedly connected with the lower bolt hole in an interference connection mode. The utility model ensures the stability of scaffold connection through the strong connection and cooperation, and effectively solves the problem of stress concentration of the connection part of the scaffold; the connection stability is high, and the shock resistance of the connection part of the scaffold can be improved; the service life of the scaffold can be effectively prolonged by adopting the elements which are convenient to replace as sacrificial elements.

Description

Scaffold supporting and connecting assembly

Technical Field

The utility model belongs to the scaffold frame field especially relates to a scaffold frame supports coupling assembling.

Background

The scaffold is a working platform which is erected for ensuring the smooth operation of each construction process. The scaffold is divided into an outer scaffold and an inner scaffold according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials; the scaffold is divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold, a suspension type scaffold, a hanging type scaffold, a lifting type scaffold and a climbing type scaffold according to the structural form.

The connection between each tubular product of current scaffold frame adopts modes such as welding to carry out strong rigid coupling usually, and this kind of connected mode leads to the problem that produces stress concentration after the connection position atress easily, leads to the scaffold frame to damage easily.

Disclosure of Invention

Adopt strong fixed connected mode for solving current scaffold frame connection, produce stress concentration easily, scaffold frame damage scheduling problem that collapses, the utility model provides a scaffold frame supports coupling assembling.

The utility model aims to provide a:

firstly, ensuring the connection stability of the scaffold;

secondly, reducing stress concentration of the connecting part;

and thirdly, improving the shock resistance of the scaffold.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A scaffold support connection assembly comprising:

the connecting fastener is provided with a lower bolt hole;

the composite bolt consists of a bolt head and a bolt rod, wherein the bolt head and the bolt rod are installed in a convex fit mode through a rotary groove and a ring, so that one end of the bolt rod is embedded into the bottom of the bolt head and can rotate around the axis of the bolt rod;

the outer surface of the bolt head is provided with external threads, and the bolt column is fixedly connected with the lower bolt hole in an interference connection mode.

As a preference, the first and second liquid crystal compositions are,

and a deformation piece is further arranged in the lower bolt hole.

As a preference, the first and second liquid crystal compositions are,

the deformation piece consists of a bottom cover plate and an annular tube, the interior of the annular tube is hollow, and the outer surface of the annular tube is provided with annular grains;

the bottom cover plate is fixedly connected with the main fastener, and the top end of the ring tube is abutted to the lower end of the bolt rod of the anti-seismic bolt.

As a preference, the first and second liquid crystal compositions are,

the connecting fastener is composed of a main fastener and an auxiliary fastener, the main fastener and the auxiliary fastener are fixedly arranged on the upright post in a matched mode, and the lower bolt hole is formed in the main fastener.

The utility model has the advantages that:

1) the stability of scaffold connection is ensured through strong fixed connection and matching, and the problem of stress concentration of the scaffold connection part is effectively solved;

2) the connection stability is high, and the shock resistance of the connection part of the scaffold can be improved;

3) the service life of the scaffold can be effectively prolonged by adopting the elements which are convenient to replace as sacrificial elements.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the attachment fastener;

FIG. 3 is an exploded view of the composite bolt;

FIG. 4 is a schematic structural view of a deformable member;

in the figure: 10 cross bars, 20 upright posts, 100 connecting fasteners, 101 main fasteners, 1011 lower bolt holes, 102 auxiliary fasteners, 103 fastening bolt holes, 200 composite bolts, 201 bolt heads, 202 bolt rods, 203 spiral grooves, 204 circular protrusions, 205 external threads, 300 deformation pieces, 301 bottom cover plates, 302 circular tubes, 400 spring pieces and 500 reinforcing plates.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

A scaffold support coupling assembly as shown in fig. 1 for coupling a lateral support structure and a longitudinal support structure of a scaffold, such as a scaffold in this embodiment, that is, a scaffold for coupling a vertical post 20 of a main frame and a horizontal rod 10 of a horizontal frame, specifically comprises:

the connecting fastener 100 is fixedly sleeved on the upright post 20 to support the cross rod 10 from bottom to top, and the composite bolt 200 is used for connecting the connecting fastener 100 and the cross rod 10; as shown in fig. 2, the connecting fastener 100 is composed of a main fastener 101 and an auxiliary fastener 102, and is composed of a main fastener 101 and an auxiliary fastener 102, the main fastener 101 and the auxiliary fastener 102 have fastening screw holes 103 matched with each other, the main fastener 101 and the auxiliary fastener 102 are connected by matching of the fastening screw holes 103, so that the main fastener 101 and the auxiliary fastener 102 are installed and fixed on the upright post 20, and the main fastener 101 is provided with a lower bolt hole 1011 matched with the composite bolt 200;

as shown in fig. 3, the composite bolt 200 is specifically composed of a bolt head 201 and a bolt rod 202, a spiral groove 203 is arranged on the bottom side of the bolt head 201, the longitudinal section of the spiral groove 203 is in an inverted convex shape as shown in fig. 3, the groove bottom is larger than the groove opening, a ring protrusion 204 matched with the spiral groove 203 is arranged at the top of the bolt rod 202, and the ring protrusion 204 is mainly matched with the groove bottom of the spiral groove 203, so that the head end of the bolt rod 202 is embedded into the bottom of the bolt head 201 and the bolt rod 202 can rotate around the axis of the bolt head 201 by means of the matching of the spiral groove 203 and the ring protrusion 204 without being separated from the bolt head 201;

the bolt head 201 is fixedly connected with the cross rod 10, the concrete fixedly connecting mode can be selected according to the concrete used scaffold mode, and in the embodiment, the outer surface of the bolt head 201 is provided with an external thread 205 and fixedly connected with the cross rod 10 in a thread matching mode;

the main fastener 101 is fixedly connected with the anti-seismic bolt in a manner of sampling interference connection between the bolt column and the lower bolt hole 1011, and compared with a threaded connection manner, the interference connection is also a strong connection, but it has unique characteristics compared to strong fastenings such as screw connections, such as when it is subjected to a shock, the threaded connection will directly provide for the transmission of up and down oscillatory forces to be conducted directly by the anti-seismic bolt to the attachment fastener 100, and the interference connection mode is adopted, when the shock-proof bolt transmits the oscillation force to the main fastener 101, the interference connection can absorb the oscillation force in a friction mode so as to reduce and hinder the transmission of the oscillation force, when the connecting fastening piece 100 is subjected to strong vibration force, the vibration force is absorbed to a great extent through the sliding of the anti-vibration bolt, the primary vibration absorption effect is realized, the vibration shearing acting force on the connecting fastening piece 100 is reduced, and the structural stability of the connecting assembly is improved; the lower bolt hole 1011 is further internally provided with a deformation piece 300, the deformation piece 300 is used as a sacrificial element to participate in the absorption and replacement of external force, the specific deformation piece 300 is shown in fig. 4 and comprises a bottom cover plate 301 and an annular tube 302, the annular tube 302 is an elastic metal tube, the interior of the annular tube is hollow, annular grains are formed on the outer surface of the annular tube at equal intervals, the bottom cover plate 301 is fixedly connected with the main fastener 101, the bottom cover plate 301 is fixedly connected with the bottom of the main fastener 101 in the embodiment by adopting a thread fixedly connecting mode, and the top end of the annular tube 302 is abutted to the lower end of a bolt rod 202 of the anti-seismic bolt;

the deformation piece 300 can firstly form effective support for the bottom of the bolt rod 202 of the anti-seismic bolt, can further improve the setting stability of the anti-seismic bolt, and simultaneously further realize the buffering anti-seismic effect by utilizing the elasticity of the metal material, but most importantly, compared with other tubular pipes such as other threaded pipes, straight pipes and the like, the annular pipe 302 has the tendency of easy stress deformation and is matched with the plastic deformation performance of the metal material, so that when the transverse support assembly is subjected to the action of strong shock or strong lower pressure instantaneously and is transmitted to the anti-seismic bolt, the static friction force of the interference connection between the anti-seismic bolt and the lower bolt hole 1011 is overcome to easily generate larger sliding displacement, and when the sliding displacement cannot effectively absorb and buffer the action force, the annular pipe 302 can quickly absorb the action force in a plastic deformation mode and is not released any more, reduce antidetonation bolt's displacement distance that slides, realize the absorbing effect of buffering for the third time, produce more excellent antidetonation effect, on the other hand, the deformation piece 300 also belongs to the small-size accessory of the easy type of changing, can conveniently change under the condition that need not to tear open the frame after the deformation for the antidetonation effect of whole scaffold frame is convenient to keep effectively for a long time.

The utility model discloses a coupling assembling can be applicable to current various scaffolds well to show the shock resistance who improves the scaffold, make the scaffold anti-seismic performance of common structure obtain the promotion that is showing, the coupling part is difficult for ageing more and leads to taking place scaffold incident, and to boring, cut the high frequency or the high-strength vibrations that the construction operation brought such as waiting, can realize effectual buffering and absorption.

Still the cover is equipped with spring part 400 outward to the antidetonation bolt, and spring part 400 upwards supports the lower extreme of spring head, the upper surface of downward butt main fastening piece 101, and spring part 400's setting can make coupling assembling deal with the slight shock of high frequency low amplitude more effectively, reduces the influence that the slight shock caused to the antidetonation bolt, improves the result of use of scaffold frame. The reinforcing plate 500 is further arranged below the main fastening piece 101, and the reinforcing plate 500 longitudinally supports the main fastening piece 101, so that the arrangement stability of the connecting assembly is further improved.

Claims (4)

1. A scaffold support and connection assembly, comprising:

the connecting fastener is provided with a lower bolt hole;

the composite bolt consists of a bolt head and a bolt rod, wherein the bolt head and the bolt rod are installed in a convex fit mode through a rotary groove and a ring, so that one end of the bolt rod is embedded into the bottom of the bolt head and can rotate around the axis of the bolt rod;

the outer surface of the bolt head is provided with external threads, and the bolt column is fixedly connected with the lower bolt hole in an interference connection mode.

2. A scaffold support connection assembly according to claim 1,

and a deformation piece is further arranged in the lower bolt hole.

3. A scaffold support connection assembly according to claim 2,

the deformation piece consists of a bottom cover plate and an annular tube, the interior of the annular tube is hollow, and the outer surface of the annular tube is provided with annular grains;

the bottom cover plate is fixedly connected with the main fastener, and the top end of the ring tube is abutted to the lower end of the bolt rod of the anti-seismic bolt.

4. A scaffold support connection assembly according to claim 1,

the connecting fastener is composed of a main fastener and an auxiliary fastener, the main fastener and the auxiliary fastener are fixedly arranged on the upright post in a matched mode, and the lower bolt hole is formed in the main fastener.

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