CN212642103U

CN212642103U - Anti-drop scaffold

Info

Publication number: CN212642103U
Application number: CN202021195124.7U
Authority: CN
Inventors: 范新锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-02
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses an anti-drop scaffold frame has overcome prior art, scaffold frame business anti-loosening function especially important problem. The utility model discloses a contain transverse bar and vertical pole, wherein connect through cup jointing the fixed ear of complex wedge and anticreep device each other between transverse bar and the vertical pole, the lower half of transverse bar and vertical pole junction connects through cup jointing the fixed ear of complex wedge each other, and the first half is connected through the anticreep device, and the fixed ear of wedge comprises wedge fixing plug and the fixed jack nestification of wedge, and the anticreep device contains arc leaf spring, anticreep stop pin, positioning bolt, nut and spacer pin. The contact surface of the wedge-shaped fixing lug at the joint of the transverse rod and the longitudinal rod is an arc-shaped surface, the width and the contact surface are larger, the stress is more stable after the transverse rod and the longitudinal rod are connected in an inosculating way, the bending deformation and the self-damage can be realized, and the excessive shaking generated by accumulation after the joint is loosened can not occur.

Description

Anti-drop scaffold

Technical Field

The utility model relates to a construction auxiliary device especially relates to an anti-drop scaffold frame.

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. 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 dry live from top to bottom or peripheral safety net is maintained and high altitude installation component etc. for constructor, say that exactly be the scaffold, scaffold frame preparation material usually has: 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 general trend of scaffolds is toward light weight and high strength structure, standardization, assembly and multifunction, not only in the horizontal and vertical directions, which are common. If the conventional scaffold is accidentally turned on one side, the scaffold is easy to automatically disassemble and finally becomes a plurality of fierce murder devices which hurt people, so that the anti-falling scaffold is urgently needed.

In the existing patent document, application number CN201420802056.4 describes a scaffold for preventing loosening, but this scaffold has a drawback that in the process of collapsing and deforming, if an upward external force is received, the joints will be loose in a tilting manner, although the joints cannot be completely separated, the loose sizes accumulated in multiple rows and multiple columns are also objective due to the loose sizes in small distances, and therefore a scaffold connecting structure capable of withstanding external forces in various directions is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes among the prior art scaffold accident anti-loosening function is the especially important problem, provides a rational in infrastructure, safe convenient anti-drop scaffold frame.

The technical solution of the utility model is that, an anti-drop scaffold frame with following structure is provided: contain horizontal pole and vertical pole, wherein connect through cup jointing the fixed ear of complex wedge and anticreep device each other between horizontal pole and the vertical pole, the lower half of horizontal pole and vertical pole junction connects through cup jointing the fixed ear of complex wedge each other, and first half passes through the anticreep device to be connected, and the fixed ear of wedge is nested by fixed plug of wedge and the fixed jack of wedge and is formed.

Preferably, the anti-disengaging device comprises an anti-disengaging locking pin, a positioning bolt, a nut and a limiting pin, wherein the positioning bolt is vertically arranged above the wedge-shaped fixing lug on the longitudinal rod, the anti-disengaging locking pin is sleeved on the positioning bolt and fixed by the nut, and the limiting pin is arranged on the positioning bolt outside the nut.

Preferably, the anti-disengaging device comprises a spring, an anti-disengaging locking pin, a positioning bolt, a nut and a limiting pin, wherein the positioning bolt is vertically arranged above the wedge-shaped fixing lug on the longitudinal rod, the spring and the anti-disengaging locking pin are sequentially sleeved on the positioning bolt and fixed by the nut, and the limiting pin is arranged on the positioning bolt outside the nut.

Preferably, the anti-disengaging device contains arc leaf spring, anticreep stop pin, positioning bolt, nut and spacer pin, and wherein the vertical pole on the top of the fixed ear of wedge-shaped be equipped with positioning bolt perpendicularly, spring and anticreep stop pin cup joint in proper order on positioning bolt and fixed with the nut, be equipped with the spacer pin on the positioning bolt in the nut outside.

Preferably, the end of the swing side of the anti-drop locking pin is arc-shaped, and a positioning reinforcing groove is arranged at the corresponding part of the transverse rod right below the end along the swing direction of the anti-drop locking pin.

Preferably, the contact surface of the transverse rod connected with the longitudinal rod is an arc surface, and the contact surface of the wedge-shaped fixing plug on the transverse rod connected with the longitudinal rod is an arc surface.

Preferably, the included angle between the central axes of the transverse rods and the vertical rods is alpha, wherein the alpha is more than or equal to 45 degrees and less than or equal to-45 degrees.

Compared with the prior art, the utility model discloses anti-drop scaffold frame has following advantage: the contact surface of the wedge-shaped fixing lug at the joint of the transverse rod and the longitudinal rod is an arc-shaped surface, the width and the contact surface are larger, the stress is more stable after the transverse rod and the longitudinal rod are connected in an inosculating way, the bending deformation and even the self-damage can be realized, and the excessive shaking generated by accumulation after the joint is loosened can not occur. Arc leaf spring among the anticreep device can be on the outer wall of the unevenness of steel pipe, seeks the strong point on the anticreep stop pin reliably to produce deformation on the steel pipe, it is little than ordinary spring occupation space. The 360-degree rotation of the anti-falling locking pin can realize locking and limiting of the transverse rod.

Drawings

Fig. 1 is one of the overall structural schematic diagrams of the first embodiment of the present invention;

fig. 2 is a second schematic view of the overall structure of the first embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of a second embodiment of the present invention;

fig. 4 is a schematic overall structure diagram of a third embodiment of the present invention;

fig. 5 is a schematic top view of the working state of the present invention;

fig. 6 is a schematic structural view of the fit relationship between the anti-falling locking pin and the positioning reinforcement groove in the working state of the present invention.

In the description of the drawings, reference numeral 1 is a longitudinal rod, 2 is an arc-shaped plate spring, 2' is a spring, 3 is an anti-falling locking pin, 4 is a nut, 5 is a limiting pin, 6 is a positioning bolt, 7 is a transverse rod, 8 is a wedge-shaped fixing lug, 9 is a wedge-shaped fixing insertion hole, and 10 is a positioning reinforcing groove.

Detailed Description

The anti-falling scaffold of the present invention is further described with reference to the accompanying drawings and the following detailed description: as shown in the figure, the first embodiment comprises a transverse rod 7 and a longitudinal rod 1, wherein the transverse rod 7 is connected with the vertical rod through a wedge-shaped fixing lug 8 and an anti-falling device which are in sleeved fit with each other, the lower half part of the joint of the transverse rod 7 and the vertical rod is connected through a wedge-shaped fixing lug 8 which is in sleeved fit with each other, the upper half part is connected through the anti-falling device, and the wedge-shaped fixing lug 8 is formed by nesting a wedge-shaped fixing plug and a wedge-shaped fixing jack 9.

The anti-disengaging device contains arc leaf spring 2, anti-disengaging stop pin 3, positioning bolt 6, nut 4 and spacer pin 5, and wherein vertical pole 1 goes up the top of the fixed ear 8 of wedge and is equipped with positioning bolt 6 perpendicularly, and arc leaf spring 2 and anti-disengaging stop pin 3 cup joint in proper order on positioning bolt 6 and fixed with nut 4, are equipped with spacer pin 5 on the positioning bolt 6 in the nut 4 outside.

The end part of the swing side of the anti-falling locking pin 3 is arc-shaped, and a positioning reinforcing groove 10 is arranged at the corresponding part of the transverse rod 7 under the anti-falling locking pin along the swing direction of the anti-falling locking pin 3. The cooperation of arcwall face and recess can be arranged very closely, and rethread arc leaf spring 2's elasticity is injectd the swing resistance of anticreep stop pin 3, can realize being difficult for of transverse bar 7 under the fixed state and loosen. The end part of the swing side of the anti-falling locking pin 3 can be square, the corresponding part of the transverse rod 7 under the anti-falling locking pin can be provided with no positioning reinforcing groove 10, and at the moment, only a proper distance for realizing the swing of the anti-falling locking pin 3360 degrees needs to be kept.

When the anti-falling locking pin 3 turns to the vertical highest position, the transverse rod 7 can be lifted upwards and rocked to be separated from the wedge-shaped fixing lug 8 a little, and then the wedge-shaped fixing lug 8 on the transverse rod 7 is pulled out from the wedge-shaped fixing lug 8 in the longitudinal rod 1, so that the disassembly is realized.

The contact surface that horizontal pole 7 and vertical pole 1 are connected is the arcwall face, and the contact surface that wedge-shaped fixed plug and vertical pole 1 are connected on horizontal pole 7 is the arcwall face. The wedge-shaped fixing lug 8 is a trapezoidal body, and the connecting surface of the wedge-shaped fixing lug, the transverse rod 7 and the vertical rod is an arc surface. The side of the arc-shaped steel pipe corresponds to the side of the transverse rod 7 and the side of the arc-shaped wedge-shaped fixing lug 8, so that the steel pipe is attached more tightly.

The included angle between the central axes of the transverse rod 7 and the vertical rod is alpha, wherein alpha is more than or equal to 45 degrees and less than or equal to-45 degrees. This construction is suitable for reinforcing the entire scaffolding by means of diagonal beams with transverse bars 7.

In the second embodiment, the anti-disengaging device includes an anti-disengaging locking pin 3, a positioning bolt 6, a nut 4 and a limit pin 5, wherein the positioning bolt 6 is vertically arranged above the wedge-shaped fixing lug 8 on the longitudinal rod 1, the anti-disengaging locking pin 3 is sleeved on the positioning bolt 6 and fixed by the nut 4, and the limit pin 5 is arranged on the positioning bolt 6 outside the nut 4. The rest of the structure and the embodiment are the same, and the elastic spring member is not used to stabilize the locking pin 3, and the locking pin can be stably fixed by the tight matching between the locking pin 3 and the positioning reinforcement groove 10.

In the third embodiment, the anti-dropping device comprises a spring 2 ', an anti-dropping locking pin 3, a positioning bolt 6, a nut 4 and a limit pin 5, wherein the positioning bolt 6 is vertically arranged above the wedge-shaped fixing lug 8 on the longitudinal rod 1, the spring 2' and the anti-dropping locking pin 3 are sequentially sleeved on the positioning bolt 6 and fixed by the nut 4, and the limit pin 5 is arranged on the positioning bolt 6 outside the nut 4. The rest of the structure is the same as the embodiment, and the spring 2' is the same as the arc-shaped plate spring 2 on the left and right.

Claims

1. An anti-drop scaffold which characterized in that: contain horizontal pole and vertical pole, wherein connect through cup jointing the fixed ear of complex wedge and anticreep device each other between horizontal pole and the vertical pole, the lower half of horizontal pole and vertical pole junction connects through cup jointing the fixed ear of complex wedge each other, and first half passes through the anticreep device to be connected, and the fixed ear of wedge is nested by fixed plug of wedge and the fixed jack of wedge and is formed.

2. The anti-drop scaffold according to claim 1, wherein: the anti-falling device comprises an anti-falling locking pin, a positioning bolt, a nut and a limiting pin, wherein the positioning bolt is vertically arranged above the wedge-shaped fixing lug on the longitudinal rod, the anti-falling locking pin is sleeved on the positioning bolt and fixed by the nut, and the limiting pin is arranged on the positioning bolt outside the nut.

3. The anti-drop scaffold according to claim 1, wherein: the anti-falling device comprises a spring, an anti-falling locking pin, a positioning bolt, a nut and a limiting pin, wherein the positioning bolt is vertically arranged above the wedge-shaped fixing lug on the longitudinal rod, the spring and the anti-falling locking pin are sequentially sleeved on the positioning bolt and fixed by the nut, and the limiting pin is arranged on the positioning bolt outside the nut.

4. The anti-drop scaffold according to claim 1, wherein: the anti-falling device comprises an arc-shaped plate spring, an anti-falling locking pin, a positioning bolt, a nut and a limiting pin, wherein the positioning bolt is vertically arranged above the wedge-shaped fixing lug on the longitudinal rod, the spring and the anti-falling locking pin are sequentially sleeved on the positioning bolt and fixed by the nut, and the limiting pin is arranged on the positioning bolt outside the nut.

5. A fall-off preventing scaffold according to claim 2, 3 or 4, wherein: the end part of the swing side of the anti-falling locking pin is arc-shaped, and a positioning reinforcing groove is arranged at the corresponding part of the transverse rod under the anti-falling locking pin along the swing direction of the anti-falling locking pin.

6. The anti-drop scaffold according to claim 1, wherein: the contact surface that horizontal pole and longitudinal rod are connected is the arcwall face, and the contact surface that wedge-shaped fixed plug and longitudinal rod are connected on the horizontal pole is the arcwall face.

7. The anti-drop scaffold according to claim 1, wherein: the included angle between the central axes of the transverse rod and the vertical rod is alpha, wherein alpha is more than or equal to 45 degrees and less than or equal to-45 degrees.