CN111075209A - Platform protective structure of unloading - Google Patents
Platform protective structure of unloading Download PDFInfo
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- CN111075209A CN111075209A CN202010066061.3A CN202010066061A CN111075209A CN 111075209 A CN111075209 A CN 111075209A CN 202010066061 A CN202010066061 A CN 202010066061A CN 111075209 A CN111075209 A CN 111075209A
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- cross rod
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- discharging platform
- bottom plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/166—Landings, receiving platforms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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Abstract
The invention relates to a protective structure of a discharging platform, which comprises the discharging platform, wherein two sides of the discharging platform are provided with side protective net devices in an outward extending manner, and the front end of the discharging platform is provided with an end protective net device; the side protective net device comprises a side protective cross rod arranged on the side part of the unloading platform, and a flexible anti-falling net is connected between the side protective cross rod and the side surface of the unloading platform; the side protective cross rod can be horizontally and rotatably connected to the side surface of the unloading platform through the rear end of the side protective cross rod so that the front end of the side protective cross rod can be moved close to the unloading platform through rotation, and therefore the flexible anti-falling net can be stored; the front end of the side surface of the unloading platform is provided with a fixed clamping piece matched with the front end of the side protective cross rod so as to be fixedly connected when the front end of the side protective cross rod is close to the unloading platform, thereby fixing the storage state; the discharging platform is provided with a driving mechanism for driving the side protective cross rod to horizontally rotate. The side 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
Technical Field
The invention belongs to the technical field of fixing construction tools and auxiliary equipment in buildings, and particularly relates to a protective structure of an unloading platform.
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
Aiming at the defects in the prior art, the invention aims to provide the protective structure of the unloading platform, so that the problem of potential safety hazard of falling objects at high altitude of the unloading platform is avoided, and the effects of convenience and safety in use and convenience in transportation are achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a protective structure of a discharging platform comprises the horizontal square discharging platform, two sides of the discharging platform are respectively provided with a side protective net device in an outward and horizontal extending mode, and the front end of the discharging platform is provided with an end protective net device in an outward and horizontal extending mode; the side protective net device comprises a side protective cross rod arranged on the side part of the unloading platform, and a flexible anti-falling net is connected between the side protective cross rod and the side surface of the unloading platform to play a role in preventing falling objects on the side part; the side protective cross rod can be horizontally and rotatably connected to the side surface of the unloading platform through the rear end of the side protective cross rod so that the front end of the side protective cross rod can be moved close to the unloading platform through rotation to achieve storage of the flexible anti-falling net; the front end of the side surface of the discharging platform is provided with a fixed clamping piece matched with the front end of the side protective cross rod so as to be fixedly connected when the front end of the side protective cross rod is close to the discharging platform to fix a storage state; the discharging platform is provided with a driving mechanism for driving the side protective cross rod to horizontally rotate.
Further perfecting the technical scheme, 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 to the direction far away from the discharging platform, one half of the straight line edge of the flexible protective net is fixedly connected to the front end face of the discharging platform to form a fixed side, the other half is connected to a side bone cross bar, the inner end of the side frame cross bar facing the circle center of the flexible protective net is rotatably connected with the middle position of the front end surface of the discharging platform through a vertical rotating shaft, the flexible protective net is also connected with a plurality of core bone cross rods arranged at intervals in the circumferential direction to play a role of horizontal support through the core bone cross rods, the inner ends of all the core bone cross rods can be rotatably connected with the vertical rotating shaft so that the side bone cross rods and the core bone cross rods can be horizontally rotated, and the flexible protective net can be accommodated by turning to the fixed side; 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.
Furthermore, 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 rear end of the side protective cross rod is connected to the side face of the bottom plate through a bearing so as to ensure the rotation flexibility; the fixed clamping piece is a clamping plate which is vertically connected to the side surface of the bottom plate, and a U-shaped bayonet with an upward opening is formed in the clamping plate so that the fixed clamping piece can fall into the U-shaped bayonet after being elastically deformed when the front end of the side protective cross rod is close to the discharging platform; the driving mechanism is a telescopic support rod, the cylinder body end of the telescopic support rod is connected to the lower surface of the bottom plate, and the telescopic rod end of the telescopic support rod is connected with the side protection cross rod so as to enable the side protection cross rod to horizontally rotate and unfold when acting; 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 plate is provided with a chamfer so as to facilitate the side protective cross rod to contact with the clamping plate and to fall into the U-shaped bayonet after elastic deformation.
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, a plurality of dragging steel wire ropes are connected between the side protective cross rods and the side surface of the bottom plate and used for limiting the maximum angle of horizontal rotation and unfolding of the side protective cross rods, one ends of all the dragging steel wire ropes are connected with the side protective cross rods and are arranged at intervals along the length direction of the side protective cross rods, and the other ends of all the dragging steel wire ropes are connected with the side surface of the bottom plate and are arranged at intervals along the length direction of the bottom plate.
Furthermore, a plurality of suspension pull ropes are connected between the side protection cross rod and the side wall rail to horizontally rotate and expand the side protection cross rod to pull the side protection cross rod and improve the anti-falling bearing capacity, one ends of all the suspension pull ropes are connected with the side protection cross rod and are arranged at intervals along the length direction of the side protection cross rod, and the other ends of all the dragging steel wire ropes are connected to the upper end of the side wall rail and are arranged at intervals along the length direction of the side protection 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 outer side surfaces of the two steel cantilever beams form the side surfaces of the bottom plate; the cylinder body end of the telescopic stay bar is connected to the lower surface of the pedal, and the telescopic rod end of the telescopic stay bar penetrates through the section steel cantilever beam on the corresponding side and then is connected with the side protective cross bar; the shaped steel cantilever beam is flush with the lower surface of the shaped steel cross beam and is vertically lower than the telescopic stay bar so as to avoid the telescopic stay bar from touching the ground.
Compared with the prior art, the invention has the following beneficial effects:
according to the unloading platform, the side protective net devices extending outwards are arranged on two sides of the unloading platform, the end protective net devices extending outwards are arranged at the front end of the unloading platform, potential safety hazards caused by high-altitude falling objects during construction can be reduced, the side protective net devices and the end protective net devices are normally connected with the unloading platform into a whole, the side protective net devices can be unfolded to exert an anti-falling function for use and can be stored to be convenient for transportation and movement, the side framework cross rods rotate to open the extensible flexible protective net to exert the anti-falling function, the extensible flexible protective net can be conveniently transported and moved after being rotatably stored and fixed, the unloading platform is convenient to use and does not need to be frequently assembled and disassembled, and.
Drawings
Fig. 1 is a schematic structural view of a discharge platform 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. 4;
the unloading platform comprises an unloading platform 1, a bottom plate 11, a side fence 12, an end fence 13, a steel frame 14, a section steel cantilever beam 141, a section steel cross beam 142, a pedal 15, a side protection net device 2, a side protection cross rod 21, a flexible anti-falling net 22, a clamping plate 23, a U-shaped bayonet 231, a chamfer 232, a telescopic strut 24, a dragging steel wire rope 25, a hanging pull rope 26, an end protection net device 3, a side frame cross rod 31, a core frame cross rod 32, a flexible protection net 33, a fixed side 34, a fixed unit 35, a clamping block 36, a hanging pull rope 37, a bearing 4 and a vertical rotating shaft 5.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, the protection structure of the discharging platform of the specific embodiment includes a horizontal square discharging platform 1, and two sides of the discharging platform 1 are respectively provided with a side protective net device 2 extending outwards and horizontally; the front end of the unloading platform 1 extends outwards horizontally to form an end protective net device 3; the side protective net device 2 comprises a side protective cross rod 21 arranged on the side part of the unloading platform 1, and a flexible anti-falling net 22 is connected between the side protective cross rod 21 and the corresponding side surface of the unloading platform 1 so as to play a role of preventing objects from falling during construction on the side part; the side protective cross rod 21 can be horizontally and rotatably connected to the side surface of the unloading platform 1 through the rear end of the side protective cross rod so that the front end of the side protective cross rod can be moved close to the unloading platform 1 through rotation to store the flexible anti-falling net 22; the front end of the side surface of the discharging platform 1 is provided with a fixed clamping piece matched with the front end of the side protective cross rod 21 so that the front end of the side protective cross rod 21 can be fixedly connected by the fixed clamping piece when approaching the discharging platform 1 to fix the accommodating state; the discharging platform 1 is provided with a driving mechanism for driving the side protective cross rod 21 to horizontally rotate, the front end of the side protective cross rod 21 is far away from the discharging platform 1 under the action of the driving mechanism, the flexible anti-falling net 22 is unfolded, after the side protective cross rod 21 and the side surface of the discharging platform 1 are unfolded, the flexible anti-falling net 22 is unfolded to be fan-shaped.
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 to the middle position of the front end surface of the discharging platform 1 through a vertical rotating shaft 5, 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 5 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, the side protective net devices 2 extending outwards are arranged on the two sides, the end protective net devices 3 extending outwards are arranged at the front end, and therefore potential safety hazards of objects falling from high altitude during construction can be reduced. The manual operation end protective net device 3 is unfolded and stored, the end protective net device 3 is similar to a folding fan structure, 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 the 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 5 rod forms a fan nail of the folding fan structure; the side protection net device 2 end and the protection net device are connected with the platform of unloading 1 in a normal state as a whole, the side protection net device 2 can be unfolded so as to exert the function of preventing falling and use, can be stored so as to be transported and moved, the side frame cross rod 31 is rotated to open the flexible protection net 33 capable of being unfolded for preventing falling, the rotation is stored and is fixed so as to be transported and moved, the use is very convenient, the frequent assembly and disassembly is not needed, and the 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 rear end of the side protective cross rod 21 is connected to the side surface of the bottom plate 11 through a bearing 4 to ensure the rotation flexibility; the fixed clamping piece is a clamping plate 23, the clamping plate 23 is vertically connected to the side face of the bottom plate 11 and is positioned at the front end, a U-shaped bayonet 231 with an upward opening is formed in the clamping plate 23, the width of the U-shaped bayonet 231 corresponds to that of the side protection cross rod 21 and is also positioned at the same horizontal height, so that the U-shaped bayonet 231 can fall into the U-shaped bayonet 231 after being elastically deformed when the front end of the side protection cross rod 21 is closed to the discharging platform 1; the driving mechanism is a telescopic support rod 24, the cylinder body end of the telescopic support rod 24 is connected to the lower surface of the bottom plate 11, the telescopic rod end of the telescopic support rod 24 is connected with the side protective cross rod 21 so as to enable the side protective cross rod 21 to horizontally rotate and unfold during acting, and the connection of the two ends of the telescopic support rod 24 is preferably in a hinged mode so as to provide small displacement change required by conversion between linear acting and rotation. The outer side of the upper end of the clamping plate 23 is provided with a chamfer 232 to facilitate the side protective cross bar 21 to contact with the clamping plate and to fall into the U-shaped bayonet 231 after being elastically deformed. 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 5; the clamping unit is a clamping block 36, the structure and the function of the clamping unit are similar to those of the clamping plate 23, the clamping block 36 is vertically connected to the front end face of the bottom plate 11, a U-shaped clamping groove with an upward opening is formed in the clamping block 36, the width of the U-shaped clamping groove corresponds to that of the edge bone cross rod 31 and is also located at the same horizontal height, so that the edge bone cross rod 31 can fall into the U-shaped clamping groove after being elastically deformed when turning 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 clamping block 36 is provided with a chamfer so as to facilitate the contact and elastic deformation of the edge bone cross rod 31 and then fall into the U-shaped clamping groove.
Like this, specific fixed fastener, actuating mechanism, the form of joint unit and fixed unit 35 are provided, select telescopic vaulting pole 24 can be after artifical side protection horizontal pole 21 that will accomodate the state is proposed from U-shaped bayonet 231, automatic acting promotes side protection horizontal pole 21 level and rotates and expand flexible anti-falling net 22, can control the angle of expansion through telescopic vaulting pole 24's stroke, when accomodating, rotate side protection horizontal pole 21 back through the manual work, overcome telescopic vaulting pole 24 effort, side protection horizontal pole 21 falls into U-shaped bayonet 231 after elastic deformation, keep accomodating the state. When in implementation, a driving mechanism with bidirectional driving can be selected, but the cost is higher, and the connection control is more complicated; the fixing fastener may also be a binding buckle (binding the front end of the side protective cross bar 21 to achieve the fixed connection of storage), a pin and a pin latch which are matched with each other.
Wherein, a plurality of dragging steel wire ropes 25 are connected between the side protective cross bar 21 and the side surface of the bottom plate 11 for limiting the maximum angle of horizontal rotation and unfolding of the side protective cross bar 21, one end of each dragging steel wire rope 25 is connected with the side protective cross bar 21 and is arranged at intervals along the length direction of the side protective cross bar 21, and the other end of each dragging steel wire rope 25 is connected with the side surface of the bottom plate 11 and is arranged at intervals along the length direction.
Therefore, the side protective cross rod 21 can be in a better stress state, the side protective cross rod 21 horizontally rotates and is unfolded to the maximum position and is limited by the dragging steel wire rope 25, the dragging steel wire rope 25 is tensioned, the telescopic support rod 24 also keeps outward thrust, and the side protective cross rod 21 is subjected to bidirectional force and is in a balanced state, so that the side protective cross rod is more stable. In this embodiment, three pull cables 25 are provided on one side.
Wherein, still be connected with a plurality of stay cords 26 of hanging between side guard rail 21 and side wall rail 12 and play the effect of tractive side guard rail 21 and improve anti-falling bearing capacity after side guard rail 21 level rotation expandes, all hang the one end of stay cord 26 with side guard rail 21 link to each other and set up along the length direction interval of side guard rail 21, all pull the other end of wire rope 25 and connect in the upper end of side rail 12 and set up along its length direction interval.
In this way, the vertical bearing capacity is improved. In this embodiment, there are also three suspension ropes 26 on one side, and the lower end of the suspension rope 26 may be connected to the side guard rail 21 through a draw hook.
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 5 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.
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); the outer side surfaces of the two-section steel cantilever beams 141 form the side surfaces of the bottom plate 11; the cylinder body end of the telescopic stay bar 24 is connected to the lower surface of the pedal 15, the telescopic rod end of the telescopic stay bar 24 passes through the section steel cantilever beam 141 on the corresponding side and then is connected with the side protective cross bar 21, and correspondingly, a through hole for the telescopic rod end of the telescopic stay bar 24 to pass through and have a proper amount of activity is formed in the section steel cantilever beam 141; shaped steel cantilever beam 141 and shaped steel crossbeam 142's lower surface parallel and level and be less than telescopic vaulting pole 24 in vertical in order to avoid telescopic vaulting pole 24 to touch to ground, avoid transporting, remove the in-process, telescopic vaulting pole 24 pressurized and influence its use when unloading platform 1 contacts ground.
In implementation, the section steel cantilever beam 141 can select a 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 bearing 4 can be connected between the two flanges through the vertical core rod in a penetrating manner, and the rear end of the side protective cross rod 21 is fixedly connected to the outer side of the bearing 4, which is also selected in the embodiment; when the two flanges face the inner side, the two wing plates which are horizontal up and down can be connected on the outer side of the web plate, and the bearing 4 can also be connected between the two wing plates in a penetrating way through the vertical core rod. The steel cantilever 141 can also be H-shaped steel or i-shaped steel, and the connection mode with the side protective cross bar 21 is the same as that of the steel channel with the two flanges facing outwards.
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 5 can be connected between the two flanges in a penetrating manner, and the side rib cross bar 31 and the core rib cross bar 32 are connected with the vertical rotating shaft 5, which is also selected in the embodiment; 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 5 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 5 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 anti-falling net 22 and the flexible protective net 33 can be connected with the unloading platform and the like in a point-by-point hooking mode, and other clamping modes can be selected.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A protective structure of a discharging platform comprises the horizontal square discharging platform, two sides of the discharging platform are respectively provided with a side protective net device in an outward and horizontal extending mode, and the front end of the discharging platform is provided with an end protective net device in an outward and horizontal extending mode; the method is characterized in that: the side protective net device comprises a side protective cross rod arranged on the side part of the unloading platform, and a flexible anti-falling net is connected between the side protective cross rod and the side surface of the unloading platform to play a role in preventing falling objects on the side part; the side protective cross rod can be horizontally and rotatably connected to the side surface of the unloading platform through the rear end of the side protective cross rod so that the front end of the side protective cross rod can be moved close to the unloading platform through rotation to achieve storage of the flexible anti-falling net; the front end of the side surface of the discharging platform is provided with a fixed clamping piece matched with the front end of the side protective cross rod so as to be fixedly connected when the front end of the side protective cross rod is close to the discharging platform to fix a storage state;
the discharging platform is provided with a driving mechanism for driving the side protective cross rod to horizontally rotate.
2. The protective structure of a discharging platform according to claim 1, 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.
3. The protective structure of a discharging platform according to claim 2, characterized in that: 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 rear end of the side protective cross rod is connected to the side face of the bottom plate through a bearing so as to ensure the rotation flexibility; the fixed clamping piece is a clamping plate which is vertically connected to the side surface of the bottom plate, and a U-shaped bayonet with an upward opening is formed in the clamping plate so that the fixed clamping piece can fall into the U-shaped bayonet after being elastically deformed when the front end of the side protective cross rod is close to the discharging platform; the driving mechanism is a telescopic support rod, the cylinder body end of the telescopic support rod is connected to the lower surface of the bottom plate, and the telescopic rod end of the telescopic support rod is connected with the side protection cross rod so as to enable the side protection cross rod to horizontally rotate and unfold when acting;
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.
4. The protective structure of a discharging platform according to claim 3, characterized in that: the outer side of the upper end of the clamping plate is provided with a chamfer so as to facilitate the side protective cross rod to contact with the clamping plate and to fall into the U-shaped bayonet after elastic deformation.
5. The protective structure of a discharging platform according to claim 3, characterized in that: 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.
6. The protective structure of a discharging platform according to claim 3, characterized in that: and a plurality of dragging steel wire ropes are connected between the side protective cross rods and the side surface of the bottom plate and used for limiting the maximum horizontal rotation and unfolding angle of the side protective cross rods, one ends of all the dragging steel wire ropes are connected with the side protective cross rods and are arranged at intervals along the length direction of the side protective cross rods, and the other ends of all the dragging steel wire ropes are connected with the side surface of the bottom plate and are arranged at intervals along the length direction of the bottom plate.
7. The protective structure of a discharging platform according to claim 3, characterized in that: the side protection cross bar is horizontally rotated and unfolded, and then the side protection cross bar is pulled to be stretched and the anti-falling bearing capacity is improved.
8. The protective structure of a discharging platform according to claim 3, characterized in that: 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.
9. The protective structure of a discharging platform according to claim 8, characterized in that: 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.
10. The protective structure of a discharging platform according to any one of claims 3 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 outer side surfaces of the two steel cantilever beams form the side surfaces of the bottom plate;
the cylinder body end of the telescopic stay bar is connected to the lower surface of the pedal, and the telescopic rod end of the telescopic stay bar penetrates through the section steel cantilever beam on the corresponding side and then is connected with the side protective cross bar; the shaped steel cantilever beam is flush with the lower surface of the shaped steel cross beam and is vertically lower than the telescopic stay bar so as to avoid the telescopic stay bar from touching the ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010066061.3A CN111075209A (en) | 2020-01-20 | 2020-01-20 | Platform protective structure of unloading |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010066061.3A CN111075209A (en) | 2020-01-20 | 2020-01-20 | Platform protective structure of unloading |
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| CN111075209A true CN111075209A (en) | 2020-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946072A (en) * | 2020-09-04 | 2020-11-17 | 福建省燕城建设工程有限公司 | High-rise building construction discharge apparatus |
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