CN102235085A

CN102235085A - Scaffold

Info

Publication number: CN102235085A
Application number: CN 201010159877
Authority: CN
Inventors: 周继忠; 蔡雪峰; 郑莲琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-29
Filing date: 2010-04-29
Publication date: 2011-11-09

Abstract

The invention relates to a scaffold which comprises vertical bars and cross bars. The scaffold is characterized in that the vertical bar is provided with connecting components which are arranged at a certain interval and used for connecting the cross bars, the cross bars are in mortice and tenon joint with the connecting components from up to down, and the upper part of the connecting component is provided with a clamp unit for preventing the cross bar from separating upwards. The scaffold provided by the invention has the advantages that through setting the clamp unit for preventing the cross bar from separating upwards at the upper part of the connecting component, the cross bar connected with the connecting component can not be separated from the connecting component, thereby avoiding the potential safety hazards existing in the utilization of the scaffold.

Description

Scaffold

Technical field

The present invention relates to a kind of novel scaffold.

Background technology

The scaffold that present building site is used has a variety of, wherein door-type scaffold is more commonly used with the bowl fastening type scaffold: the shape of door-type scaffold is as door, be welded, a plurality of door frames are just built can constitute framed bent, this structure is not only complicated, the position of its diagonal member center nail fractures easily, and bearing strength is relatively poor, and installing/dismounting is all dangerous; And its profile is big, the inconvenience transportation.The bowl fastening type scaffold is more simple in structure than door-type scaffold, and intensity is also better, but it mainly cooperates the formation framed bent by the bowl button that is welded on the column with the clasp of cross bar, its structure is still complicated, part is more, and cost is than higher, easily causes the operator injured during installing/dismounting simultaneously, operating efficiency is lower, secondly, it also has the defective in the design, as wherein cross bar and vertical rod continuous damage, cause this place's vertical rod and other cross bar connected node pine to stride, thereby brought huge potential safety hazard to use.

Summary of the invention

The present invention relates to a kind of scaffold, this scaffold is not only simple in structure, fast assembling and disassembling, easy to use, and safe in utilization stable, repeat usage is high.

Scaffold of the present invention comprises vertical rod and cross bar, it is characterized in that: described vertical rod is provided with the connector that is used to connect cross bar, and described cross bar is connected with the connector tenon fourth of the twelve Earthly Branches from top to bottom, and described connector top is provided with the fastener that prevents that cross bar from making progress and.

The present invention is by being provided with the fastener that prevents that cross bar from making progress and on connector top, thereby the cross bar that is connected on the connector can not deviate from, and avoided the potential safety hazard of using.

Connector of the present invention not only can effectively connect all rod members, and each center line of the bar intersects at a bit, whole axially loadeds, and no subsidiary stress, mechanical property is good, connects reliably the scaffold good integrity of composition.Simultaneously, connector of the present invention has good strength and stiffness, and vertical rod be connected with cross bar can be because of wherein a cross bar and vertical rod continuous damage cause the continuous damage of vertical rod and other cross bar.The present invention is suitable for setting up civil engineering structure construction and the dual-purpose external scaffolding of fitment operation, can also be a kind of multifunction scaffold as the bracing frame of template and other temporary platform supports etc.

Description of drawings

Fig. 1 is the organigram of embodiment of the invention a connection piece,

Fig. 2 is the organigram of the embodiment of the invention one spiral shell spare,

Fig. 3 is the embodiment of the invention one an assembled state organigram,

Fig. 4 is the embodiment of the invention one a user mode organigram;

Fig. 5 is the organigram of the embodiment of the invention two connectors,

Fig. 6 is the organigram of the embodiment of the invention two spiral shell spares,

Fig. 7 is the embodiment of the invention two assembled state organigrams,

Fig. 8 is the embodiment of the invention two user mode organigrams;

Fig. 9 is the organigram of the embodiment of the invention three connectors,

Figure 10 is the organigram of the embodiment of the invention three spiral shell spares,

Figure 11 is the embodiment of the invention three assembled state organigrams,

Figure 12 is the embodiment of the invention three user mode organigrams.

Figure 13 is that all sides of connector of the present invention are the assembled state organigram of grooved.

The specific embodiment

Scaffold of the present invention comprises vertical rod 1 and cross bar 2, is provided with the connector 3 that is used to connect cross bar 2 according to a determining deviation in the vertical rod 1, and cross bar 2 is connected with the connector 3 tenon fourths of the twelve Earthly Branches from top to bottom, and connector top is provided with the fastener 4 that prevents that cross bar 2 from making progress and.

Above-mentioned fastener can be for being arranged on connector 3 tops and its spiral shell spare that is threaded 401(such as Fig. 1-4).

Above-mentioned fastener also can be for being arranged on the lock ring 402 on connector 3 tops, the lock ring upper end has helical ramp 5, its lower surface card is pushed down cross bar 2, also be provided with in the vertical rod and helical ramp 5 spacer pin 6 of wedge mutually, lock ring 402 all sides are provided with a vertical through holes that outwards arches upward 7, so that the upper and lower slip of lock ring (as Fig. 5-8).

Above-mentioned fastener also can be for being arranged on the snap ring 403 on connector 3 tops, and all sides are provided with some arc bumps 8 in the snap ring 403, is connected (as Fig. 9-12) with grab 9 buckles that are arranged on the connector upper end.

The fastener of above-mentioned several different structures, its connector all are the some trapezoidal projections 10 that evenly is laid with by its all side surface, are connected with the trapezoidal groove 11 tenon fourths of the twelve Earthly Branches that the yardarm head is provided with; Perhaps connector all is the some inverted trapezoidal grooves 12 that evenly are laid with by its all side surface, is connected (as Figure 13) with the trapezoidal projection 13 tenon fourths of the twelve Earthly Branches of falling that the yardarm head is provided with.

The fastener of above-mentioned several different structures all is provided with two projections 14 and is convenient to its turn on fastener 4 outer circumferential sides.

Above-mentioned connector is annular construction member independently, is connected with vertical rod welding or screw threads for fastening.

Be connected with cross bar is vertical respectively around the above-mentioned vertical rod.

Now for embodiment one (course of work of Fig. 1-Fig. 4):

When making, just weld cross bar joint (have trapezoidal groove 11 or fall trapezoidal projection 13 parts) in the cross bar two ends of certain specification length, connector 3 is fixed in the vertical rod according to a determining deviation (can welds), be convenient to on-the-spot the connection.During on-the-spot the connection, earlier spiral shell spare 401 is pulled upwardly (upwards sliding) along vertical rod, all directions crossbar end trapezoidal groove 11 is aimed at the back to be inserted with the trapezoidal projection 10 on the connector 3, subsequently spiral shell spare 401 is slided along vertical rod, and be connected to compress the cross bar joint with connector 3 upper end screw threads, pounding with a hammer to screw to reach to whole screw threads compresses the cross bar requirement.In addition, crossbar end adopts down trapezoidal projection 13, and the effect that adopts inverted trapezoidal groove 12 to be produced on the connector 3 is identical, also is to belong to embodiments of the invention.

Adopt this connected mode, cross bar is threaded with the upright horizontal fourth of the twelve Earthly Branches of tenon of vertical rod employing socket joint and is connected, and cross bar can not break away from vertical rod under horizontal force action; Simultaneously, the tenon fourth of the twelve Earthly Branches is shaped as up-small and down-big, can guarantee that cross bar can bear load action straight down; And if cross bar is subjected to load action straight up, then can be connected with connector 3 upper end screw threads by spiral shell spare in the vertical rod and pushes down crossbar end, make cross bar can not come off.

Now for embodiment two (course of work of Fig. 5-Fig. 8):

When scaffold is made, just weld cross bar joint (have trapezoidal groove 11 or fall trapezoidal projection 13 parts), connector 3 is fixed in the vertical rod (can welds), be convenient to on-the-spot the connection at the cross bar two ends of certain specification length.During on-the-spot the connection, behind the vertical through holes 7 aligning spacer pins 6 with lock ring 402, lock ring 402 can be pulled upwardly (upwards sliding) along vertical rod, all directions crossbar end trapezoidal groove 11 is aimed at the back to be inserted with the trapezoidal projection 10 on the connector 3, vertical through holes 7 with lock ring 402 slides along spacer pin 6 subsequently, and turn clockwise to compress the cross bar termination, pounding with a hammer can reach under several compresses the requirement of cross bar joint.In addition, crossbar end adopts down trapezoidal projection 13, and the effect that adopts inverted trapezoidal groove 12 to be produced on the connector 3 is identical, also is to belong to embodiments of the invention.

Adopt this connected mode, cross bar is threaded with the upright horizontal fourth of the twelve Earthly Branches of tenon of vertical rod employing socket joint and is connected, and cross bar can not break away from vertical rod under horizontal force action; Simultaneously, the tenon fourth of the twelve Earthly Branches is shaped as up-small and down-big, can guarantee that cross bar can bear load action straight down; And, then can block crossbar end by lock ring in the vertical rod 402 and connector 3 upper end spacer pins 6 if cross bar is subjected to load action straight up, make cross bar can not come off.

Now for embodiment three (course of work of Fig. 9-Figure 12):

Weld cross bar joint (have trapezoidal groove 11 or fall trapezoidal projection 13 parts) at the cross bar two ends of certain specification length earlier, connector 3 is fixed in the vertical rod (can welds), be convenient to on-the-spot the connection.During on-the-spot the connection, to be placed in earlier and be pulled upwardly (upwards sliding) after snap ring 403 in the vertical rod rotates to an angle along vertical rod, all directions crossbar end trapezoidal groove 11 is aimed at the back to be inserted with the trapezoidal projection 10 on the connector 3, subsequently snap ring 403 is slided along vertical rod, and clockwise or be rotated counterclockwise with fastening, and the arc bump 8 of the arc snap ring inboard that makes the snap ring inboard of pounding with a hammer is positioned at grab 9 belows on connector top, so that snap ring 403 links closely mutually with connector.In addition, crossbar end adopts down trapezoidal projection 13, and the effect that adopts inverted trapezoidal groove 12 to be produced on the connector 3 is identical, also is to belong to embodiments of the invention.

Adopt this connected mode, cross bar is threaded with the upright horizontal fourth of the twelve Earthly Branches of tenon of vertical rod employing socket joint and is connected, and cross bar can not break away from vertical rod under horizontal force action; Simultaneously, the tenon fourth of the twelve Earthly Branches is shaped as up-small and down-big, can guarantee that cross bar can bear load action straight down; And, then can block crossbar end by snap ring in the vertical rod 403 and connector 3 upper end grabs 9 if cross bar is subjected to load action straight up, make cross bar can not come off.

Claims

1. scaffold, comprise vertical rod and cross bar, it is characterized in that: be provided with the connector that is used to connect cross bar according to a determining deviation in the described vertical rod, described cross bar is connected with the connector tenon fourth of the twelve Earthly Branches from top to bottom, and described connector top is provided with the fastener that prevents that cross bar from making progress and.

2. scaffold according to claim 1 is characterized in that: described fastener is to be arranged on connector top and its spiral shell spare that is threaded.

3. scaffold according to claim 1, it is characterized in that: described fastener is the lock ring that is arranged on connector top, the lock ring upper end has helical ramp, its lower surface card is pushed down cross bar, also be provided with in the vertical rod and the helical ramp spacer pin of wedge mutually, described lock surrounding place side is provided with a vertical through holes that outwards arches upward, so that the upper and lower slip of lock ring.

4. scaffold according to claim 1 is characterized in that: described fastener is the snap ring that is arranged on connector top, and all sides are provided with some arc bumps in the described snap ring, is connected with the grab buckle that is arranged on the connector upper end.

5. according to claim 1,2,3 or 4 described scaffolds, it is characterized in that: the some trapezoidal projection that described connector evenly is laid with by its all side surface is connected with the trapezoidal groove tenon fourth of the twelve Earthly Branches that the yardarm head is provided with.

6. according to claim 1,2,3 or 4 described scaffolds, it is characterized in that: some inverted trapezoidal grooves that described connector evenly is laid with by its all side surface are connected with the trapezoidal projection tenon fourth of the twelve Earthly Branches of falling that the yardarm head is provided with.

7. according to claim 1,2,3 or 4 described scaffolds, it is characterized in that: described fastener outer circumferential side is provided with two projections and is convenient to its turn.

8. according to claim 1,2,3 or 4 described scaffolds, it is characterized in that: described connector is annular construction member independently, is connected with vertical rod welding or screw threads for fastening.

9. scaffold according to claim 1 is characterized in that: be connected with cross bar is vertical respectively around the described vertical rod.