CN211548888U - Platform end protective structure of unloading - Google Patents

Abstract

The utility model relates to a protective structure for the end of a discharging platform, which comprises a discharging platform, wherein the front end of the discharging platform is provided with an end protective net device in an outward extending way; the device comprises a flexible protective net which is unfolded and is in a plane semicircular shape, wherein one half of the linear side of the flexible protective net is fixedly connected to the front end face of the discharging platform and forms a fixed side, the other half of the linear side of the flexible protective net is connected to one side rib cross rod, the inner end, facing the circle center of the flexible protective net, of the side rib cross rod is rotatably connected to the middle position of the front end face of the discharging platform through a vertical rotating shaft, the flexible protective net is also connected with a plurality of core rib cross rods which are arranged at intervals in the circumferential direction to play a supporting role, the inner ends of all the core rib cross rods can be rotatably connected with the vertical rotating shaft so that the side ribs and the core rib; the end protective net device can reduce the potential safety hazard of falling objects at high altitude, is normally connected with the unloading platform into a whole, can be unfolded to prevent falling and can be stored to be transported conveniently, and is convenient to use and good in reliability.

Description

Platform end protective structure of unloading

Technical Field

The utility model belongs to the technical field of construction tool, auxiliary assembly in the fixed building, concretely relates to platform end protective structure of unloading.

Background

The platform of unloading (also called the construction platform) uses generally in the high-rise building construction, and the installation is stretched to demountable assembly formula overhang usually, like CN202990427U, the platform of unloading can reduce the trouble of carrying out relevant material, equipment transfer in the building, and the platform of unloading of direct follow overhang cooperates the transfer operation of outside tower crane, improves the efficiency of construction. However, the overhanging discharging platform also has the risk that the transferred building materials and equipment fall off in the transferring operation process, so that objects fall off from the high altitude, and the potential safety hazard that constructors on the discharging platform fall off exists, and the overhanging discharging platform cannot be ignored.

At present, there are some solutions to the above problems, such as: CN203961299U, CN209723645U etc. set up around the platform of unloading and prevent weighing down the protective equipment, reduced the potential safety hazard to a certain extent, but prevent weighing down the net of the firm connection structural style and be inconvenient for install and remove, transport, and split type structure needs frequent dismouting, and it is inconvenient to use, has also brought the problem that does not install firmly and cause to use insecurely when installing simultaneously.

Disclosure of Invention

The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a platform end protective structure of unloading avoids the platform of unloading to have the problem of high altitude weight thing potential safety hazard, gains convenient to use, safety, the effect of being convenient for transport.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the unloading platform end protection structure comprises a horizontal square unloading platform, wherein the front end of the unloading platform is outwards and horizontally extended and provided with an end protection net device; the end protective net device comprises a flexible protective net which is unfolded to form a plane semicircle, the arc edge of the flexible protective net faces the direction far away from the unloading platform, one half of the straight line edge of the flexible protective net is fixedly connected to the front end face of the unloading platform to form a fixed side, the other half of the straight line edge of the flexible protective net is connected to one side cross rod, the inner end, facing the circle center of the flexible protective net, of the side cross rod is rotatably connected to the middle position of the front end face of the unloading platform through a vertical rotating shaft, the flexible protective net is also connected with a plurality of core cross rods which are circumferentially arranged at intervals to play a role of horizontal support through the core cross rods, and the inner ends of all the core cross rods can be rotatably connected with the vertical rotating shaft to enable the side cross rods and the core cross rods to horizontally rotate and; a fixing unit is arranged on one side of the front end face of the discharging platform where the fixing side is located so that the side bone cross rod and the core bone cross rod can be fixed after turning to the fixing side to keep a storage state; the other side of the front end face of the discharging platform is provided with a clamping unit matched with the outer end of the side bone cross rod so that the side bone cross rod can be fixed after rotating to the corresponding side to keep an unfolding state.

Further perfecting the technical scheme, the unloading platform comprises a square bottom plate, two sides of the upper surface of the bottom plate are respectively provided with a side fence, and the front end of the upper surface of the bottom plate is provided with an end fence; the side bone transverse rods and the core bone transverse rods are connected to the middle part of the front end surface of the bottom plate through vertical rotating shafts; the clamping unit is a clamping block which is vertically connected to the front end face of the bottom plate, and a U-shaped clamping groove with an upward opening is formed in the clamping block so that the side rib cross rod can fall into the U-shaped clamping groove after rotating to the corresponding side; the fixing unit is a binding band, a chain or a lock catch arranged on the front end face of the bottom plate.

Furthermore, the outer side of the upper end of the clamping block is provided with a chamfer so as to facilitate the side bone cross rod to fall into the U-shaped clamping groove after contacting with the side bone cross rod.

Furthermore, the number of the core bone cross rods is three, and the core bone cross rods are arranged at intervals of 45 degrees in sequence from the fixed side.

Furthermore, a suspension rope is connected between the outer end of at least one middle core rod cross rod and the end fence to play a role in drawing and improving protection bearing capacity in an unfolded state, and the upper end of the suspension rope is connected to the middle of the end fence.

Furthermore, the bottom plate comprises two profile steel cantilever beams of which the left side and the right side are opposite in parallel, a plurality of profile steel cross beams arranged in parallel at intervals are connected between the two profile steel cantilever beams to form a steel frame, the profile steel cross beam closest to the front ends of the two profile steel cantilever beams is flush with the front ends of the profile steel cantilever beams, the outer side surface of the profile steel cross beam forms the front end surface of the bottom plate, and a pedal is arranged on the steel frame; the side fence and the end fence are connected to the steel frame or the pedal; the profile steel cantilever beam is flush with the lower surface of the profile steel beam.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a platform of unloading has set up outside extension's end protection network device at the front end, can reduce the potential safety hazard of the thing that falls aloft when the construction to end protection network device is connected as a whole with the platform normality of unloading, and limit bone horizontal pole rotates and opens deployable flexible protection network so that the performance prevents weighing down the function, rotates and accomodates and can be convenient for after fixed transport and remove, and it is very convenient to use, need not frequently to install and remove, and structural reliability is better.

Drawings

FIG. 1 is a schematic structural view of a discharge platform end protection structure according to a specific embodiment;

FIG. 2 is a top view of FIG. 1 (shown without the rail shown in an expanded state);

fig. 3 is a bottom view of fig. 1 (schematically illustrated as a storage state);

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is an enlarged view of portion A of FIG. 1;

the discharging platform 1, the bottom plate 11, the side fences 12, the end fence 13, the steel frame 14, the section steel cantilever beam 141, the section steel cross beam 142, the pedal 15, the vertical rotating shaft 2, the end protective screening device 3, the side rib cross rod 31, the core rib cross rod 32, the flexible protective screening 33, the fixed side 34, the fixed unit 35, the fixture block 36, the U-shaped fixture groove 361, the chamfer 362 and the hanging rope 37.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, the protection structure at the end of the discharging platform of the specific embodiment includes a horizontal square discharging platform 1, and an end protective net device 3 is horizontally extended outwards from the front end of the discharging platform 1; the end protection net device 3 includes a flexible protection net 33 horizontally unfolded in a plane semicircular shape to play a role of preventing falling objects at the end, the arc edge of the flexible protective net 33 faces the direction far away from the discharging platform 1, one half of the straight edge of the flexible protective net 33 is fixedly connected to the front end face of the discharging platform 1 and forms a fixed side 34, the other half is connected to the bone cross bar 31 on one side, the inner end of the side frame cross bar 31 facing the center of the flexible protective net 33 is rotatably connected with the middle position of the front end surface of the discharging platform 1 through the vertical rotating shaft 2, the flexible protective net 33 is also connected with a plurality of core bars 32 which are circumferentially arranged at intervals so as to play a role of horizontal support through the core bars 32, the inner ends of all the core bars 32 can be rotatably connected with the vertical rotating shaft 2 so that the side bars 31 and the core bars 32 can be horizontally rotated, and the flexible protective net 33 can be accommodated by turning to the fixed side 34; a fixing unit 35 is arranged on one side of the front end surface of the discharging platform 1 where the fixing side 34 is located so that the side bone cross bar 31 and the core bone cross bar 32 can be fixed after turning to the fixing side 34 to keep a storage state; the other side of the front end surface of the discharging platform 1 is provided with a clamping unit matched with the outer end of the side bone cross rod 31 so that the side bone cross rod 31 can be fixed after rotating to the corresponding side to keep an unfolded state.

According to the discharging platform 1 of the embodiment, the end protective net device 3 extending outwards is arranged at the front end, the end protective net device 3 is manually operated to be unfolded and stored, the end protective net device 3 is similar to a folding fan in structure form, the front end face of the discharging platform 1 corresponding to the fixed side 34 and the edge rib cross rod 31 form an edge rib of a folding fan structure, the core rib cross rod 32 forms a core rib of the folding fan structure, the flexible protective net 33 forms a fan face of the folding fan structure, and the vertical rotating shaft 2 forms a fan nail of the folding fan structure; end protection network device 3 is connected as an organic whole with the platform of unloading 1 normality, and limit bone horizontal pole 31 rotates to open and can expand flexible protection network 33 and be used for preventing weighing down, rotates to accomodate and can be convenient for transport and remove after fixing, and it is very convenient to use, need not frequently to install and remove, and structural reliability is better.

Referring to fig. 5, the discharging platform 1 includes a square bottom plate 11, two sides of the upper surface of the bottom plate 11 are respectively provided with a side fence 12, and the front end of the upper surface of the bottom plate 11 is provided with an end fence 13; the side bone cross rod 31 and the core bone cross rod 32 are both connected to the middle part of the front end surface of the bottom plate 11 through the vertical rotating shaft 2; the clamping unit is a clamping block 36, the clamping block 36 is vertically connected to the front end face of the bottom plate 11, a U-shaped clamping groove 361 with an upward opening is formed in the clamping block 36, the width of the U-shaped clamping groove 361 corresponds to that of the side bone transverse rod 31 and is also positioned at the same horizontal height, so that the side bone transverse rod 31 can fall into the U-shaped clamping groove 361 after being elastically deformed when being turned to the corresponding side; the fixing unit 35 may be a binding band, a chain or a buckle provided on the front end surface of the bottom plate 11, and in this embodiment, a simple form of the binding band is selected, and after the side frame rails 31 and all the core frame rails 32 are turned to the fixing side 34, the binding band can be completely bound from bottom to top and the free end of the binding band is hooked on the upper hook for storage and fixation. The outer side of the upper end of the latch 36 is provided with a chamfer 362 to facilitate the contact and elastic deformation of the side bone rail 31 and then the side bone rail falls into the U-shaped slot 361.

The number of the core cross bars 32 is three, and the core cross bars are arranged at intervals of 45 degrees in sequence from the fixed side 34.

Therefore, the horizontal supporting function can be achieved, the end protective net device 3 is not too heavy, the load of the vertical rotating shaft 2 is reduced, and long-term use is facilitated.

Wherein, still be connected with between the outer end of an at least middle core bone horizontal pole 32 and the end rail 13 and hang the stay cord 37 in order to play the tractive and improve the effect of protection bearing capacity in the state of expanding, hang the stay cord 37 upper end and connect in the upper end middle part of end rail 13. During implementation, the middle part of the upper end of the end fence 13 and the outer end of each core rod cross bar 32 are connected with a suspension rope 37, and the suspension ropes 37 are connected between the outer ends of the two core rod cross bars 32 on the two sides and the upper end of the end fence 13 at the corresponding position.

Thus, the vertical bearing capacity is improved; the lower end of the suspension cord 37 may be attached to the outer end of the mandrel rail 32 by a draw hook.

Referring to fig. 3, the bottom plate 11 includes two profiled steel cantilever beams 141 facing each other in parallel at the left and right sides, a plurality of profiled steel cross beams 142 arranged in parallel at intervals are connected between the two profiled steel cantilever beams 141 to form a steel frame 14, the profiled steel cross beam 142 closest to the front ends of the two profiled steel cantilever beams 141 is flush with the front ends of the profiled steel cantilever beams 141, the outer side surface of the profiled steel cross beam 142 forms the front end surface of the bottom plate 11, and a pedal 15 is disposed on the steel frame 14; the side rails 12 and the end rails 13 are connected to the pedal 15 (the pedal 15 can be slightly smaller than the steel frame 14 to make the position of the edge of the steel frame 14 be set aside, so that the rails are connected to the edge of the steel frame 14); profiled cantilever beam 141 is flush with the lower surface of profiled cross beam 142.

In implementation, the section steel beam 142 can select channel steel, so that a web plate of the channel steel is vertical, and an upper flange and a lower flange are horizontally arranged; when the two flanges face outwards, the vertical rotating shaft 2 can be connected between the two flanges in a penetrating manner, the side rib cross bar 31 and the core rib cross bar 32 are connected with the vertical rotating shaft 2, and the embodiment also selects the connection mode; when the two wing edges face the inner sides, the two wing plates which are horizontal up and down can be connected on the outer sides of the web plates, and the vertical rotating shaft 2 can also be connected between the two wing plates in a penetrating mode. The section steel beam 142 can also be H-shaped steel or I-shaped steel, and the connection mode with the vertical rotating shaft 2 is the same as that of the channel steel, wherein the two flanges of the channel steel face outwards; the connection between the steel cantilever beam 141 and the steel beam 142 is conventional, and will not be described in detail by way of example.

During implementation, the flexible protective net 33 may be connected to the unloading platform in a point-by-point hooking manner, or may be selected in other forms such as clamping, which is the prior art and will not be described in detail herein.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (6)

1. The unloading platform end protection structure comprises a horizontal square unloading platform, wherein the front end of the unloading platform is outwards and horizontally extended and provided with an end protection net device; the method is characterized in that: the end protective net device comprises a flexible protective net which is unfolded to form a plane semicircle, the arc edge of the flexible protective net faces the direction far away from the unloading platform, one half of the straight line edge of the flexible protective net is fixedly connected to the front end face of the unloading platform to form a fixed side, the other half of the straight line edge of the flexible protective net is connected to one side cross rod, the inner end, facing the circle center of the flexible protective net, of the side cross rod is rotatably connected to the middle position of the front end face of the unloading platform through a vertical rotating shaft, the flexible protective net is also connected with a plurality of core cross rods which are circumferentially arranged at intervals to play a role of horizontal support through the core cross rods, and the inner ends of all the core cross rods can be rotatably connected with the vertical rotating shaft to enable the side cross rods and the core cross rods to horizontally rotate and;

a fixing unit is arranged on one side of the front end face of the discharging platform where the fixing side is located so that the side bone cross rod and the core bone cross rod can be fixed after turning to the fixing side to keep a storage state;

the other side of the front end face of the discharging platform is provided with a clamping unit matched with the outer end of the side bone cross rod so that the side bone cross rod can be fixed after rotating to the corresponding side to keep an unfolding state.

2. The discharge platform end protective structure of claim 1, wherein: the discharging platform comprises a square bottom plate, two sides of the upper surface of the bottom plate are respectively provided with a side fence, and the front end of the upper surface of the bottom plate is provided with an end fence; the side bone transverse rods and the core bone transverse rods are connected to the middle part of the front end surface of the bottom plate through vertical rotating shafts; the clamping unit is a clamping block which is vertically connected to the front end face of the bottom plate, and a U-shaped clamping groove with an upward opening is formed in the clamping block so that the side rib cross rod can fall into the U-shaped clamping groove after rotating to the corresponding side; the fixing unit is a binding band, a chain or a lock catch arranged on the front end face of the bottom plate.

3. The discharge platform end guard structure according to claim 2, wherein: the outer side of the upper end of the clamping block is provided with a chamfer so as to facilitate the side bone cross rod to fall into the U-shaped clamping groove after contacting with the side bone cross rod.

4. The discharge platform end guard structure according to claim 2, wherein: the number of the core bone cross rods is three, and the core bone cross rods are arranged at intervals of 45 degrees in sequence from the fixed side.

5. The discharge platform end guard structure according to claim 4, wherein: the outer end of at least one middle core bone cross rod and the end fence are connected with a suspension rope to play a role in drawing and improving protection bearing capacity in an unfolding state, and the upper end of the suspension rope is connected to the middle of the end fence.

6. The discharge platform end guard structure according to any one of claims 2 to 5, wherein: the bottom plate comprises two profile steel cantilever beams of which the left side and the right side are in parallel dead against each other, a plurality of profile steel cross beams arranged in parallel at intervals are connected between the two profile steel cantilever beams to form a steel frame, the profile steel cross beam closest to the front ends of the two profile steel cantilever beams is flush with the front ends of the profile steel cantilever beams, the outer side surfaces of the profile steel cross beams form the front end surface of the bottom plate, and a pedal is arranged on the steel frame; the side fence and the end fence are connected to the steel frame or the pedal; the profile steel cantilever beam is flush with the lower surface of the profile steel beam.

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