CN210396090U - Continuous connection and concentricity keeping structure for upright rod of scaffold - Google Patents

Abstract

The utility model discloses a splicing and concentric-keeping structure of a scaffold upright rod, which relates to the field of building construction and comprises a hollow upright rod which is spliced with each other from top to bottom, wherein the middle part of the hollow upright rod is provided with a connecting disc, the tail end of the hollow upright stanchion is coaxially embedded with a connecting rod, the outer side wall of the connecting rod is provided with a convex ring for upright stanchion connection guide at the position corresponding to the lower end of the hollow pole body in the circumferential direction, the connecting rod is coaxially provided with guide surfaces for upright stanchion connection guide at the positions corresponding to the two sides of the convex ring, the connecting rod is provided with a first bolt hole and a second bolt hole in a penetrating way, the hollow upright stanchion is provided with a first mounting hole and a second mounting hole corresponding to the first bolt hole and the second bolt hole of the connecting rod, the pin shaft is arranged in the first pin hole and the second pin hole and penetrates through the hollow upright rod and the connecting rod in sequence, and the effect of quick connection, high concentricity of a joint and high safety performance is achieved.

Description

Continuous connection and concentricity keeping structure for upright rod of scaffold

Technical Field

The utility model relates to a construction field especially relates to a continuation of connecting and guarantor's heart structure for scaffold pole setting.

Background

Scaffolding (scaffold) refers to the various supports erected on a construction site for workers to handle and address vertical and horizontal transport. The general term of the building industry refers to the places which cannot be directly constructed on the building site and are used for exterior wall, interior decoration or high floor height. Mainly for constructors to live up and down or for peripheral safety net enclosures, high-altitude installation components and the like, scaffold manufacturing materials usually comprise: bamboo, wood, steel pipes or synthetic materials, etc. Some projects also use scaffolds as templates, and in addition, the scaffold is widely used in advertising, municipal administration, traffic roads and bridges, mines and other departments. The existing scaffold upright rod is commonly in a disc buckle plug-in connection mode, and in the upright rod connection process, a certain movable gap needs to exist between the outer pipe and the inner connection pipe, so that the stress of the upright rod connection position is uneven, the rod center of the upright rod at the connection position deviates, and the overall structural strength and the bearing capacity of the scaffold are greatly reduced after the stress is accumulated.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a scaffold frame pole setting and continue to connect and guarantee concentric structure, possess connect swift, the junction concentricity is high, the effect that the security performance is high.

The utility model discloses a realize through following technical scheme: the utility model provides a continuous concentric structure of guaranteeing strength that connects of scaffold frame pole setting, includes the cavity pole setting of pegging graft each other from top to bottom, cavity pole setting middle part is provided with the connection pad, the terminal coaxial dress of cavity pole setting is equipped with the connective bar, corresponds cavity body of rod lower extreme position department around circumference on the connective bar lateral wall and is provided with the bellying ring that is used for the pole setting to connect the direction, corresponds the coaxial spigot ring both sides position and is provided with the spigot surface that is used for the pole setting to connect the direction on the connective bar, runs through on the connective bar and has seted up first bolt hole, second bolt hole, first bolt hole, the second bolt hole position that corresponds the connective bar in the cavity pole setting has seted up mounting hole one, mounting hole two, be provided with the round pin axle in first bolt hole, the.

In order to further optimize the utility model discloses, can prefer following technical scheme for use:

preferably, the thickness range of the convex ring is 0.8-0.9 mm.

Preferably, the included angle between the guide surface generatrix and the axis of the hollow upright rod is 15-20 degrees.

Preferably, the wall thickness range of the hollow vertical rod is 3.2-4 mm.

Preferably, the connective bar is a hollow square tube, the length range of the connective bar is 180-250 mm, and the insertion depth range of the connective bar is 100-130 mm.

Preferably, the top edge of the connecting rod is provided with a wedge-shaped transition circumferential surface, and the radius of the wedge-shaped transition circumferential surface is 8-10 mm.

The beneficial effects of the utility model reside in that: in the utility model, the connecting rod is provided with the convex ring and the guide surface, and the convex ring is matched with the guide surface, so that on one hand, the concentricity of two mutually connected vertical rods can be ensured to be higher through the guide surface, and the improvement of the concentricity realizes the strength requirement of the connecting position of the vertical rods; the connective bar is the cavity body of rod simultaneously, the length of connective bar is 250mm, the depth of insertion scope of connective bar is 125mm, through the suitable depth of insertion of connective bar, on can guaranteeing scaffold frame hookup location's intensity basis, reduction in production cost improves practical life, mainly change on the connective bar in this pole setting continuation connection concentric structure of keeping strong simultaneously, do not influence the production and the intensity requirement of pole setting, the structural stability and the uniformity of equipment self have been guaranteed, under high strength and high holding power effect, the life-span of whole equipment is further improved.

Drawings

FIG. 1 is a schematic perspective view of a hollow vertical rod;

FIG. 2 is a top view of the hollow upright;

FIG. 3 is a sectional view of the internal structure of the hollow upright connecting part;

FIG. 4 is a schematic perspective view of a connecting rod;

FIG. 5 is an enlarged view of the structure at A;

FIG. 6 is a summary chart of data from experiment 1.

Wherein: 1-hollow upright rod I, 2-hollow upright rod II, 3-connecting disc, 4-first connecting hole, 5-second connecting hole, 6-mounting hole I, 7-mounting hole II, 8-pin shaft, 9-connecting rod, 10-first plug hole, 11-second plug hole, 12-bulge loop, 13-guide surface and 14-wedge-shaped transition circumferential surface.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-6, a splicing and concentric protection structure for upright rods of a scaffold comprises a hollow upright rod 1 and a hollow upright rod 2 which are spliced with each other from top to bottom, the wall thickness range of the hollow upright rod 1 and the hollow upright rod 2 is 3.2mm, connecting discs 3 are respectively arranged at the middle parts of the hollow upright rod 1 and the hollow upright rod 2, the connecting discs adopt metal discs, the thickness range of the connecting discs is 8mm, first connecting holes 4 and second connecting holes 5 for connecting cross rods are uniformly distributed on the connecting discs 3 around a shaft, the connecting discs are used for connecting the cross rods of the scaffold, so that the integral construction of the upright rods is realized, the integral weight can be reduced on the basis of ensuring the strength, connecting rods are coaxially embedded at the connecting positions corresponding to the lower end of the hollow upright rod 1, the connecting rods are hollow square tubes, the length of the connecting rods 9 is 250mm, the insertion depth of the connecting rods 9 is 125mm, on the basis of ensuring the strength of the connecting position of a scaffold, the production cost is reduced, the practical service life is prolonged, a raised ring 12 for vertical rod connecting guide is arranged on the outer side wall of a connecting rod at the position corresponding to the lower end of a hollow rod body in the circumferential direction, the thickness range of the raised ring 12 is 0.8mm, guide surfaces 13 for vertical rod connecting guide are coaxially arranged on the connecting rod at the positions corresponding to the two sides of the raised ring, the inclined length of each guide surface 13 is 4mm, the axial included angle between a guide surface bus and the hollow vertical rod is 15 degrees, the raised ring is matched with the guide surfaces, on one hand, the concentricity of two mutually connected vertical rods can be ensured to be higher through the guide surfaces, and the strength requirement of the vertical; run through on the connective bar and seted up first bolt hole, the second bolt hole, correspond first bolt hole 10 of connective bar in the cavity pole setting, mounting hole one 6 has been seted up to second bolt hole 11 position, mounting hole two 6, first bolt hole 10, install round pin axle 8 in the second bolt hole 11, round pin axle 8 runs through the cavity pole setting in proper order, the connective bar, connective bar top border position installs the excessive periphery of cheAN _ SNed 14, the radius of the excessive periphery 14 of cheAN _ SNed is 10mm, make things convenient for the operating personnel convenience at the work progress, improve overall installation efficiency, for convenient processing, the mode that adopts the throat processing goes on.

In order to further explain the effect of the structure, the stress analysis when the scaffold upright rod is continuously connected is adjusted through the first convex ring and the second convex ring, and an experiment is made, wherein the specific experimental data is as follows: the effectiveness of the structure is verified by taking 60 series disc buckle vertical rods as experiments, and the vertical rods of the 60 series socket type disc buckle frame are made of steel pipes with the diameter of 60.2mm, the wall thickness of 3.2mm and the material quality of Q354B. The bearing capacity of the pole piece is influenced by the length-to-thickness ratio of the pole piece, and is also influenced by the size of the sectional area because the bearing sectional area is reduced, the bearing efficiency of the pole piece splicing pole piece is improved, and the influence of the eccentric torque force of the axle center is neglected: effective bearing area/theoretical bearing area 100% =459/573= 80.1%.

FIG. 6 is a table showing the comparison of performance after the vertical rod is continuously connected and eccentric by 1.5 mm:

can be clear from experimental data to see, use this structure after, when comparing eccentric 1mm, the efficiency that uses this structure promotes more obviously. When the eccentricity reaches 1.5mm, the average lifting amplitude reaches 96.1% -66.1% =30%, and the effect is very obvious.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a continuous guarantor's concentric structure that connects of scaffold frame pole setting, includes the cavity pole setting of pegging graft each other from top to bottom, and cavity pole setting middle part is provided with connection pad, its characterized in that: the hollow upright rod is characterized in that a connecting rod is coaxially embedded at the tail end of the hollow upright rod, a protruding ring used for upright rod connection guiding is arranged on the outer side wall of the connecting rod and corresponds to the lower end position of the hollow rod body in the circumferential direction, guide surfaces used for upright rod connection guiding are coaxially arranged on the connecting rod and correspond to the two sides of the protruding ring, a first bolt hole and a second bolt hole are formed in the connecting rod in a penetrating mode, a first installation hole and a second installation hole are formed in the hollow upright rod and correspond to the first bolt hole and the second bolt hole of the connecting rod, pin shafts are arranged in the first bolt hole and the second bolt hole, and the pin shafts sequentially penetrate through the hollow upright.

2. A scaffolding upright splice concentricity maintaining structure as claimed in claim 1, wherein: the thickness range of the bulge ring is 0.8-0.9 mm.

3. A scaffolding upright splice concentricity maintaining structure as claimed in claim 1, wherein: the axis contained angle of spigot surface generating line and cavity pole setting is 15 ~ 20 degrees.

4. A scaffolding upright splice concentricity maintaining structure as claimed in claim 1, wherein: the wall thickness range of the hollow upright rod is 3.2-4 mm.

5. A scaffolding upright splice concentricity maintaining structure as claimed in claim 1, wherein: the connective bar is hollow square pipe, the length range of connective bar is 180 ~ 250mm, the depth of insertion scope of connective bar is 100 ~ 130 mm.

6. A scaffolding upright splice concentricity maintaining structure as claimed in claim 1, wherein: the top edge of the connecting rod is provided with a wedge-shaped transition circumferential surface, and the radius of the wedge-shaped transition circumferential surface is 8-10 mm.

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