CN202788014U

CN202788014U - Safety net installation device

Info

Publication number: CN202788014U
Application number: CN 201220319818
Authority: CN
Inventors: 王朝阳; 张晓明; 王磊; 蒋官业; 陈勇; 李天兵
Original assignee: China Construction Steel Structure Corp Ltd
Current assignee: China Construction Science and Industry Corp Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2013-03-13
Anticipated expiration: 2022-06-26

Abstract

The utility model relates to a safety net installation device which comprises a fastening piece and a compressing device, wherein the fastening piece is installed on a steel beam flange in a detachable and clamped mode, the compressing device is fixed on the fastening piece, and the fastening piece is provided with a groove used for clamped installation of the steel beam flange and an installation device used for installation of a safety net. The compressing device comprises a compressing bolt and a compressing nut, wherein the compressing nut is matched with the compressing bolt and is fixed on the fastening piece. The compressing device can be fixed on the steel beam flange, the fastening piece can be fixed on a steel beam without the need of welding, and the installation device on the fastening piece can be used for installation of the safety net. The safety net installation device has the advantages of being fast in laying and dismantling the safety net and simple in operation. Simultaneously, construction cost can be reduced, construction efficiency can be improved, no potential safety hazard exists, and no damage can be caused to a steel structure.

Description

Safety net hangs device

Technical field

The utility model relates to the relevant device of safety net a kind of with for building, and particularly a kind of safety net hangs device.

Background technology

At present, along with greatly developing of domestic construction steel work in recent years, Construction of Steel Structure high-altitude safe protection difficulty is more and more large, and in super highrise building horizontal structure work progress, the mode that hangs of safety net is a focal issue always.Prior art is to utilize the instruments such as hook, welded reinforcement earrings that safety net is fixed on the girder steel top flange, or by being welded and fixed the modes such as otic placode safety net is fixed on the girder steel bottom flange, security protection needs when ensureing on-the-spot Steel Structure Installation.On the other hand; the method that hangs or the utensil setting of existing safety net are too simple and crude; expend too much man power and material during laying; to member mother metal also not effectively protection; and the welding of follow-up girder steel, bolt are twisted eventually, profiled sheet laying etc. will inevitably be affected; must remove safety net can implement, and brings potential safety hazard.Although on part structural steelwork project, the trial of hanging under the safety net is arranged also, hang mode and various informative, level is uneven, and standard differs, and does not find preferably, the simple and easy method that effectively hangs always.

For above situation, design a kind of safety net easy to use and that can effectively guarantee construction safety and hang instrument and just seem particularly necessary.

The utility model content

Technical problem to be solved in the utility model is, overcomes existing safety net and hangs the defective that exists in the engineering, provides a kind of safety net to hang device, can solve the technical problem that traditional hook can make the steel work damaged, and simple to operate easy to use.

The utility model is achieved in that provides safety net to hang device, comprises removably being installed on the fastener on the girder steel edge of a wing and being fixed on hold down gag on the fastener; The suspension device that has be used to the fluting that clamps the girder steel wing plate on the fastener and be used for hanging for safety net; Hold down gag comprises hold-down bolt and the clamp nut that matches with hold-down bolt, and clamp nut is fixed on the fastener.

Further, fastener comprises two blocks of fastener plates and the fastening kit that connects two blocks of fastener plates, and fluting is positioned on the fastener plate.Further, each fastener plate comprises upper limit bar, lower limit bar and connection strap, and the up and down parallel interval setting of upper limit bar and lower limit bar therebetween forms fluting, and the two ends of connection strap connect respectively upper and lower spacing.

Further, the length of upper limit bar is less than the length of lower limit bar.

Further, clamp nut is fixed on a side of upper limit bar.

Further, on each fastener plate, be fixedly installed a hold down gag.

Further, suspension device is the through hole that is arranged on the fastener.

Further, fastening kit comprises fastening bolt and the clamp nut that matches with it, be provided with the installing hole of fastening bolt at the lower limit bar, fastening bolt pass successively two on the lower limit bar installing hole and cooperate with clamp nut, two blocks of fastener plates are fixed together.

Further, the installing hole on each lower limit bar comprises perforation and long gain, and fastening bolt cooperates with clamp nut after passing successively wherein perforation on the fastener plate and the long lumbar hole on another piece fastener plate.

Compared with prior art, safety net of the present utility model hangs in the device, and fastener is installed on the girder steel by fluting, and is fixed on the edge of a wing of girder steel by the hold down gag on it, do not need welding just can be fixed on the girder steel, the suspension device on it can be used for hanging safety net.The utlity model has the speed of laying and removing safety net and reach soon the simple characteristics of operation, simultaneously, but reducing construction cost and raising construction efficiency, and do not have potential safety hazard, fully can be to the girder steel injury.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model preferred embodiment assembled state;

Fig. 2 is the decomposing schematic representation of Fig. 1;

Fig. 3 is that the utility model uses the state generalized section;

Fig. 4 is that the utility model uses state sectional perspective schematic diagram.

The specific embodiment

In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

See also Fig. 1 to shown in Figure 4, for the safety net of the utility model preferred embodiment hangs device, it comprises the fastener 1 that removably is installed on the girder steel edge of a wing and is fixed on hold down gag 2 on the fastener 1.

The suspension device 12 that has be used to the fluting 11 that clamps the girder steel wing plate on the fastener 1 and be used for hanging for safety net.Fastener 1 comprises two blocks of fastener plates 13 and the fastening kit 3 that connects two blocks of fastener plates 13, and fluting 11 is positioned on the fastener plate 13.In the present embodiment, suspension device 12 is appreciated that for being arranged on the through hole 121 on the fastener plate 13 suspension device 12 can also be other structure, waits such as hook to can be used for hanging safety net.In order to increase contact friction force, fastener 1 adopts checkered steel plate to make, and material is the Q235B steel.

Each fastener plate 13 comprises upper limit bar 131, lower limit bar 132 and connection strap 133, and upper limit bar 131 and the parallel interval setting about in the of 132 of lower limit bar therebetween form fluting 11.The two ends of connection strap 133 connect respectively upper limit bar 131 and lower limit bar 132, and the length of upper limit bar 131 is less than the length of lower limit bar 132.

On each fastener plate 13, be fixedly installed a hold down gag 2.Hold down gag 2 comprises hold-down bolt 21 and the clamp nut 22 that matches with it, and clamp nut 22 is fixed on a side of upper limit bar 131 by welding method.Turn hold-down bolt 21 can be fixed on fastener 1 on the girder steel frange plate.

Fastening kit 3 comprises fastening bolt 31 and the clamp nut 32 that matches with it, be provided with the installing hole 134 of fastening bolt 31 at lower limit bar 132, fastening bolt 31 pass successively two on the lower limit bar 132 installing hole 134 and cooperate with clamp nut 32, two blocks of fastener plates 13 are fixed together.In the present embodiment, installing hole 134 on each lower limit bar 132 comprises perforation 1341 and long gain 1342, and perforation 1341 and the long lumbar hole on another piece fastener plate 13 1342 that fastening bolt 31 passes wherein on the fastener plate 13 successively cooperate with clamp nut 32 afterwards.During actual the use, because the fastening force that needs is less than compressing bolt 21, fastening bolt 31 can select intensity less than the sized bolt of hold-down bolt 21.

When present embodiment uses, two fastener plates 13 according to fluting 11 openings relatively and lower limit bar 132 under mode stack, after fastening bolt 31 passes respectively the long gain 1342 of the perforation 1341 of a fastener plate 13 and another fastener plate 13 successively, put again clamp nut 32 and be tightened, namely finish the assembling of present embodiment.The purpose that long gain 1342 is set is convenient relative spacing of regulating between two fastener plates 13, to be applicable to the steel beam structure of different in width, has expanded the scope of application of present embodiment.

Please referring to Fig. 3 and Fig. 4, for present embodiment uses state.When needs hang safety net A, at first finish the assembling of fastener 1 according to preceding method.Can be before girder steel B lifting, present embodiment is sleeved in advance on the bottom wing listrium of girder steel B, adjust fastening kit 3 in long gain 1342 positions, so that the relative spacing between two fastener plates 13 just in time the width with girder steel B is corresponding, screw fastening kit 3 two fastener plates 13 are fixed together, and can slide at the bottom wing listrium.So greatly reduced operating personnel's high-altitude application risk.Behind the girder steel B hoisted in position, operating personnel utilize the safety rope that arranges on the girder steel, after having hung safety belt and carrying out safety prevention measure, progressively launch hanging of safety net A.Present embodiment can arrange a fastener 1 every 1 meter spacing, screws hold-down bolt 21 fastener plate 13 is fixed on the bottom wing listrium.Then, the edge of safety net A is hanging on the suspension device 12 of present embodiment, until finish the laying of the whole peripheries of safety net A.Adopt this mode of setting up safety net, can make the laying of safety net A more closely knit reliable, it is more easy to operate to make the constructor high-altitude lay safety net, and the speed of laying obviously increases.When needs take off safety net A, only need unscrew hold-down bolt 21, present embodiment and related safety net A are moved to girder steel B one end (not shown) together, unscrew the fastening kit 3 of each present embodiment, adjusting widens two relative spacings between the fastener plate 13, can take off present embodiment from girder steel B easily and safely.The safety net A that takes off can also have enough to meet the need use, has effectively saved cost of use, reducing construction cost.

In sum, the utility model adopts split-type design, can being socketed on the girder steel B by the fastener 1 that fastening kit 3 is fixed together, and is fixed on the girder steel B frange plate by hold down gag 2, and the suspension device 12 on the fastener 1 can be used for hanging safety net A.The utlity model has following characteristics:

(1) simple in structure, make easily, with bolts, install and convenient disassembly;

(2) have regulatory function, the scope of application is wide, can be applicable to flexibly on the steel work of different cross section;

(3) improve the safety that safety net is laid, and improve the speed of laying;

(4) can be to the steel work injury, on the not impact of intensity of steel work;

(5) can be recycled reducing construction cost.

The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. a safety net hangs device, it is characterized in that, comprises removably being installed on the fastener on the girder steel edge of a wing and being fixed on hold down gag on the described fastener; The suspension device that has be used to the fluting that clamps the girder steel wing plate on the described fastener and be used for hanging for safety net; Described hold down gag comprises hold-down bolt and the clamp nut that matches with described hold-down bolt, and described clamp nut is fixed on the described fastener.

2. safety net hangs device as claimed in claim 1, it is characterized in that, described fastener comprises two blocks of fastener plates and the fastening kit that connects described two blocks of fastener plates, and described fluting is positioned on the described fastener plate.

3. safety net as claimed in claim 2 hangs device, it is characterized in that, each fastener plate comprises upper limit bar, lower limit bar and connection strap, the up and down parallel interval setting of described upper limit bar and lower limit bar, therebetween form described fluting, the two ends of described connection strap connect respectively described upper and lower spacing.

4. safety net as claimed in claim 3 hangs device, it is characterized in that, the length of described upper limit bar is less than the length of described lower limit bar.

5. safety net hangs device as claimed in claim 3, it is characterized in that, described clamp nut is fixed on a side of described upper limit bar.

6. hang device such as safety net as described in claim 2 or 5, it is characterized in that, on each fastener plate, be fixedly installed a described hold down gag.

7. safety net hangs device as claimed in claim 1, it is characterized in that, described suspension device is the through hole that is arranged on the described fastener.

8. safety net hangs device as claimed in claim 3, it is characterized in that, described fastening kit comprises fastening bolt and the clamp nut that matches with it, be provided with the installing hole of described fastening bolt at described lower limit bar, described fastening bolt pass successively two on the lower limit bar installing hole and cooperate with described clamp nut, described two blocks of fastener plates are fixed together.

9. safety net hangs device as claimed in claim 8, it is characterized in that, installing hole on each lower limit bar comprises perforation and long gain, and described fastening bolt cooperates with described clamp nut after passing successively wherein perforation on the fastener plate and the long lumbar hole on another piece fastener plate.