CN114482584A

CN114482584A - Building site material protection canopy

Info

Publication number: CN114482584A
Application number: CN202210026556.2A
Authority: CN
Inventors: 陈欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-13

Abstract

The invention relates to a protective shed, in particular to a building site material protective shed. The invention provides a building site material protection shed which can be unfolded and folded and can be conveniently transferred for use. The invention provides a building site material protection shed which comprises two supporting legs, a first hinged plate, two protection plates, a top plate and the like, wherein the two supporting legs are arranged in a front-back symmetrical mode, the first hinged plate is connected between the upper sides of the two supporting legs, the two protection plates are rotatably arranged on the upper portion of the first hinged plate, the two protection plates are arranged in a left-right symmetrical mode, the separated ends of the protection plates are inclined downwards, the top plate is connected to the upper side of the first hinged plate, and the top plate is located above the protection plates. Protection to building material through the guard plate that can expand and pack up to make things convenient for the transfer of protection canopy and use, when needing to remove the protection canopy, open the universal wheel with the removal of supplementary protection canopy.

Description

Building site material protection canopy

Technical Field

The invention relates to a protective shed, in particular to a building site material protective shed.

Background

Building materials are various materials used in building construction. The variety of building materials is wide, such as: most of the building materials such as cement, lime, wood and steel bars have the same characteristics, namely the building materials are afraid of rain and insolation, so that most of the building materials need to be protected and stored to avoid function loss. At present, a lot of construction sites build factory sheds temporarily through materials such as iron plates or cement stone bricks before construction, the factory sheds built temporarily can consume more construction time and can also cause material waste, and because the construction is urgent, the safety of the factory sheds built temporarily is also low, so that the special protective sheds are required to be used for protecting building materials in order to avoid the problems.

According to patent grant publication No. CN 214462773U's building material protection canopy for building site, including the base, a plurality of groups placing groove have all been seted up on the left side and the right side at base top, the left side and the right side at base top all are provided with a plurality of groups apron, the apron stretches into to the placing groove in towards one side of base, and the lower surface of apron contacts with the bottom inner wall of placing groove, and the top of adjacent a plurality of groups apron is provided with splint.

Above-mentioned building material protection canopy for building site advances to protect through the apron to building material, drives the support column rotation through rotating the go-between ring to and the screw-thread fit between support column and the sleeve pipe, conveniently highly adjusting building material protection canopy for building site, this kind of method can reach the effect of protection, but can't pack up protection canopy, and be equipped with not moving part and come supplementary removal, consequently can be more troublesome when needing to shift the use.

According to the defects in the prior art, the building site material protection shed capable of being unfolded and folded and being conveniently transferred for use is designed.

Disclosure of Invention

The invention aims to overcome the defects that the prior art can not retract the protection shed and is not provided with a moving part for auxiliary movement, so that the protection shed is troublesome to transfer and use.

In order to solve the technical problem, the invention provides a building site material protection shed which comprises two support legs, a first hinged plate, two protection plates, a top plate, a spreading mechanism and a moving mechanism, wherein the two support legs are symmetrically arranged in the front-back direction, the first hinged plate is connected between the upper sides of the two support legs, the two protection plates are rotatably arranged on the upper portion of the first hinged plate, the two protection plates are symmetrically arranged in the left-right direction, the separated ends of the protection plates are inclined downwards, the top plate is connected to the upper side of the first hinged plate and located above the protection plates, and the spreading mechanism and the moving mechanism are arranged on the support legs.

Preferably, the opening mechanism is including the fixed plate, the cylinder, the carriage, first wire rope, guide board and second articulated slab, landing leg upper portion cover is equipped with the guide board, the equal rotary type of guide board left and right sides and slidingtype are equipped with the second articulated slab, the second articulated slab of the left and right sides links to each other with the guard plate rotary type of the left and right sides respectively, be connected with the fixed plate between two landing leg middle parts, the cylinder is installed to fixed plate middle part upside, be connected with the carriage on the cylinder extensible member, the carriage slidingtype runs through in the landing leg, the equal bilateral symmetry formula in both sides is equipped with first wire rope around the carriage top, first wire rope tail end links to each other with the nearest second articulated slab.

Preferably, moving mechanism is including T type frame, installation piece, rotor plate, torsional spring and universal wheel, and landing leg lower part bilateral symmetry formula is equipped with the installation piece, rotates on the installation piece and runs through there is the pivot, is connected with the torsional spring between pivot and the installation piece, and the torsional spring is around establishing in the pivot outside, is connected with universal wheel and rotor plate in the pivot, and the symmetry formula is equipped with T type frame around on the carriage, and T type frame slidingtype cover is established in the fixed plate outside, and T type frame downstream can contact with the rotor plate.

Preferably, still including extension mechanism, extension mechanism is including the expansion board, the guide block, the depression bar, fixture block and reset spring, the equal front and back symmetrical formula of one end upside that two protecting plates are kept away from is equipped with the contact piece, the gliding formula of protecting plate upside is equipped with the expansion board, the expansion board can contact with the contact piece, the equal front and back symmetrical formula of one end downside in opposite directions of two expansion boards is opened there is the draw-in groove, the equal front and back symmetrical formula of one end upside in opposite directions of two protecting plates is equipped with the guide block, the gliding style is equipped with the depression bar on the guide block, depression bar and roof contact, the depression bar downside is connected with the fixture block, the fixture block can contact with expansion board and draw-in groove, be connected with reset spring between fixture block and the guide block, reset spring is around establishing in the depression bar outside.

Preferably, still including isolation mechanism, isolation mechanism is equipped with the T template including T template, supporting shoe and division board on two T type frame upper portions opposite one side symmetry formula, is connected with the supporting shoe between two landing leg lower parts, and the rotation type is equipped with two division boards on the supporting shoe, and two division boards are bilateral symmetry formula setting, and the division board can contact with the T template.

Preferably, still including reinforcing mechanism, reinforcing mechanism is equipped with the connecting plate including connecting plate, reel, reinforcement nail and second wire rope, the left and right sides symmetry formula of landing leg, and equal rotary type is equipped with the reel on two blocks of connecting plates in opposite directions of symmetry, winds on the reel and is equipped with second wire rope, and second wire rope trailing end connection has the reinforcement nail.

Preferably, still including warning mechanism, warning mechanism is including the articulated piece of magnetism, warning sign and magnetic plate, and the equal rotary type of one end upside that two expansion boards leave is equipped with the articulated piece of magnetism, is connected with the warning sign on the articulated piece of magnetism, and the warning sign can contact with the expansion board, all is connected with the magnetic plate on the one side that two expansion boards leave, and the magnetic plate is located the articulated outside of piece of magnetism, and the magnetic plate can the articulated piece of magnetism of magnetic adsorption.

Preferably, the material of guard plate is the aluminum alloy.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. protection to building material through the guard plate that can expand and pack up to make things convenient for the transfer of protection canopy and use, when needing to remove the protection canopy, open the universal wheel with the removal of supplementary protection canopy.

2. The protection area is increased through the retractable expansion plate, so that the sun-shading and rain-proof operation can be further performed on the building material, and the building material can be better protected.

3. The building material is placed on the isolation board, so that the building material can be prevented from being polluted by water on the ground, and the building material can be better placed.

4. Will consolidate the nail and fix subaerial or other places, consolidate the nail and can fix protection canopy through second wire rope's cooperation to this makes protection canopy more stable.

5. Can play the effect of warning to the workman in building site through the warning sign to avoid the workman to be pounded by the building material who piles up.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the expanding mechanism and the moving mechanism of the present invention.

Fig. 3 is a schematic partial perspective view of the moving mechanism of the present invention.

Fig. 4 is a schematic perspective view of the expanding mechanism of the present invention.

Fig. 5 is a partial perspective sectional view of the expanding mechanism of the present invention.

Fig. 6 is an enlarged view of the invention at a.

Fig. 7 is an enlarged view of the invention at B.

Fig. 8 is a schematic perspective view of the warning mechanism and the reinforcing mechanism according to the present invention.

Fig. 9 is a schematic perspective view of the warning mechanism of the present invention.

Fig. 10 is a perspective view of the reinforcing mechanism of the present invention.

Fig. 11 is a schematic perspective view of the isolation mechanism of the present invention.

The labels in the figures are: 1-support leg, 2-first hinged plate, 3-protection plate, 4-top plate, 5-spreading mechanism, 51-fixing plate, 52-air cylinder, 53-sliding frame, 54-first steel wire rope, 55-guide plate, 56-second hinged plate, 6-moving mechanism, 61-T-shaped frame, 62-mounting block, 63-rotating plate, 64-torsion spring, 65-universal wheel, 7-expanding mechanism, 71-expanding plate, 72-guide block, 73-pressure rod, 74-clamping block, 75-reset spring, 76-clamping groove, 8-isolating mechanism, 81-T-shaped plate, 82-supporting block, 83-isolating plate, 9-reinforcing mechanism, 91-connecting plate, 92-reel, 93-reinforcing nail, 94-second steel wire rope, 10-warning mechanism, 101-magnetic hinging block, 102-warning board and 103-magnetic plate.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

The utility model provides a building site material protection canopy, as figure 1, figure 2, figure 3 shows, including landing leg 1, first articulated slab 2, guard plate 3, roof 4, prop open mechanism 5 and moving mechanism 6, landing leg 1 is equipped with two, two landing legs 1 are the setting of symmetry formula around, it has first articulated slab 2 to peg graft between 1 upsides of two landing legs, 2 upper portion rotary types of first articulated slab are equipped with two guard plates 3, the material of guard plate 3 is the aluminum alloy, the quality is lighter, intensity is harder, two guard plates 3 are the setting of bilateral symmetry formula, the equal downward sloping of one end that guard plate 3 leaves mutually, 2 upside pegs graft of first articulated slab has roof 4, roof 4 is located guard plate 3 tops, be provided with on landing leg 1 and prop open mechanism 5 and moving mechanism 6.

As shown in fig. 2, the expanding mechanism 5 includes a fixing plate 51, a cylinder 52, a sliding frame 53, a first steel wire rope 54, a guide plate 55 and a second hinge plate 56, the upper portion of the supporting leg 1 is sleeved with the guide plate 55, the left and right sides of the guide plate 55 are both rotatably and slidably provided with the second hinge plate 56, the left and right sides of the second hinge plate 56 are respectively rotatably connected with the left and right sides of the protection plate 3, the fixing plate 51 is bolted between the middle portions of the two supporting legs 1, the cylinder 52 is installed on the upper side of the middle portion of the fixing plate 51 through screws, the sliding frame 53 is connected to the telescopic member of the cylinder 52 through a coupling, the sliding frame 53 slidably penetrates through the supporting leg 1, the front and rear sides of the top of the sliding frame 53 are both bilaterally and symmetrically provided with the first steel wire rope 54, and the tail end of the first steel wire rope 54 is connected with the second hinge plate 56 which is closest to the rear end.

As shown in fig. 2 and 3, the moving mechanism 6 includes a T-shaped frame 61, a mounting block 62, a rotating plate 63, a torsion spring 64 and a universal wheel 65, the mounting block 62 is symmetrically arranged on the lower portion of the leg 1 in a left-right manner, a rotating shaft penetrates through the mounting block 62 in a rotating manner, the torsion spring 64 is connected between the rotating shaft and the mounting block 62, the torsion spring 64 is wound on the outer side of the rotating shaft, the universal wheel 65 and the rotating plate 63 are connected to the rotating shaft, the T-shaped frame 61 is symmetrically arranged on the sliding frame 53 in a front-back manner, the T-shaped frame 61 is slidably sleeved on the outer side of the fixed plate 51, and the T-shaped frame 61 moves downward and can contact with the rotating plate 63.

Firstly, the T-shaped frame 61 extrudes the rotating plate 63, the torsion spring 64 is in a deformation state, the universal wheel 65 is retracted at the moment, the operator starts the air cylinder 52 to extend, the telescopic part of the air cylinder 52 drives the T-shaped frame 61 to move upwards through the sliding frame 53, the T-shaped frame 61 moves upwards to loosen the rotating plate 63, the torsion spring 64 resets, the rotating plate 63 drives the universal wheel 65 to rotate downwards through the rotating shaft under the reset action of the torsion spring 64, so that the universal wheel 65 can be opened, the operator can be used for assisting the movement of the shelter through the universal wheel 65, meanwhile, the sliding frame 53 moves upwards to loosen the first steel wire rope 54, the two protection plates 3 rotate downwards in a mutual approaching direction under the action of gravity, the protection plates 3 rotate to drive the second hinged plate 56 to slide upwards and incline on the guide plate 55, the operator closes the air cylinder 52 along with the rotation of the protection plates 3, so that the shelter can be conveniently moved, when the shelter is moved to the designated position, the operator starts the air cylinder 52 to shorten, the telescopic part of the air cylinder 52 drives the T-shaped frame 61 to move downwards through the sliding frame 53, the T-shaped frame 61 moves downwards to extrude the rotating plate 63 again, the torsion spring 64 deforms, the universal wheel 65 is retracted along with the deformation, thereby enabling the shelter to be stabilized, and at the same time, the sliding frame 53 moving downward pulls the second hinge plate 56 downward through the first wire rope 54, the second hinge plate 56 then drives the protection plates 3 to rotate with the guide plate 55 as a fulcrum, the two protection plates 3 then expand in directions away from each other, the operator then closes the air cylinder 52, at this time, the operator can place the construction material right under the protection plates 3, with this protection operation can be carried out to building material through the guard plate 3 of expansion, roof 4 can be used for guiding the flow direction of rainwater, avoids the rainwater to follow the building material of flow direction between two guard plates 3.

Example 2

On the basis of the embodiment 1, as shown in fig. 1, 4, 5, 6 and 7, the expansion mechanism 7 is further included, the expansion mechanism 7 includes an expansion plate 71, the guide block 72, the depression bar 73, fixture block 74 and reset spring 75, the equal fore-and-aft symmetry formula of the one end upside that two guard plates 3 leave is equipped with the contact piece, 3 upsides of guard plates are slidingtype and are equipped with expansion board 71, expansion board 71 can contact with the contact piece, the equal fore-and-aft symmetry formula of two expansion board 71 one ends downside in opposite directions is opened has the draw-in groove 76, the equal fore-and-aft symmetry formula of one end upside in opposite directions of two guard plates 3 is equipped with the guide block 72, the gliding depression bar 73 that is equipped with on the guide block 72, depression bar 73 and roof 4 contact, depression bar 73 downside bolt joint has fixture block 74, fixture block 74 can contact with expansion board 71 and draw-in groove 76, be connected with reset spring 75 between fixture block 74 and guide block 72, reset spring 75 is around establishing in the depression bar 73 outside.

Initially, the contact block blocks the expansion plate 71, the protection plate 3 and the expansion plate 71 are in an unfolded state at this time, the pressing rod 73 is pressed by the top plate 4, the return spring 75 is stretched, the protection area of the building material can be increased through the unfolded expansion plate 71, the operator starts the cylinder 52 to extend, the protection plate 3 is folded, the protection plate 3 drives the expansion plate 71 to move downwards, meanwhile, the protection plate 3 drives the pressing rod 73 to be separated from the top plate 4 through the guide block 72, the return spring 75 is reset, the operator then closes the cylinder 52, drives the expansion plate 71 to move upwards along the protection plate 3 to be separated from the contact block, the expansion plate 71 moves upwards to push the clamping block 74 to move downwards, the return spring 75 is stretched, the expansion plate 71 continues to move upwards to release the clamping block 74, the return spring 75 is reset, the clamping block 74 moves upwards to clamp the clamping groove 76 under the reset action of the return spring 75, so that the expansion plate 71 can be fixed through the clamping block 74, the expansion plate 71 at this moment is in a retracted state, the operator starts the air cylinder 52 to shorten, the protection plate 3 is unfolded, the protection plate 3 can drive the pressing rod 73 to move upwards to contact the top plate 4, the top plate 4 is stressed to drive the clamping block 74 to move downwards to release the clamping groove 76, the return spring 75 is stretched, the clamping block 74 releases the clamping groove 76, the expansion plate 71 moves downwards along the protection plate 3 under the action of gravity, the expansion plate 71 can be contacted with the contact block again, the expansion plate 71 can be unfolded again, and the operator closes the air cylinder 52 subsequently.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 11, the isolation device further comprises an isolation mechanism 8, the isolation mechanism 8 comprises a T-shaped plate 81, support blocks 82 and isolation plates 83, the T-shaped plates 81 are symmetrically arranged on opposite sides of the upper portions of the two T-shaped frames 61, the support blocks 82 are bolted between the lower portions of the two support legs 1, the two isolation plates 83 are rotatably arranged on the support blocks 82, the two isolation plates 83 are symmetrically arranged in a left-right manner, and the isolation plates 83 can be in contact with the T-shaped plates 81.

The operating personnel can be used for placing building materials through division board 83, avoid building materials and ground contact, when needs are packed up division board 83, the operating personnel upwards rotates two division boards 83 with the direction that is close to each other, make two division boards 83 cover on T template 81, the operating personnel starts cylinder 52 extension, T type frame 61 can drive T template 81 rebound, can just block division board 83 when T template 81 rebound to extreme position, close cylinder 52 afterwards, with this can pack up division board 83, operating personnel starts cylinder 52 and shortens afterwards, T type frame 61 can drive T template 81 rebound and loosen division board 83, with this can open division board 83, operating personnel closes cylinder 52 afterwards.

Example 4

In addition to embodiment 3, as shown in fig. 1 and 10, the leg support further includes a reinforcing mechanism 9, the reinforcing mechanism 9 includes a connecting plate 91, a winding wheel 92, a reinforcing nail 93 and a second steel wire rope 94, the connecting plate 91 is symmetrically bolted to the left and right sides of the leg support 1, the winding wheel 92 is rotatably disposed on one opposite side of the two symmetrical connecting plates 91, the second steel wire rope 94 is wound on the winding wheel 92, and the reinforcing nail 93 is connected to the tail end of the second steel wire rope 94.

The operator pulls the reinforcement nail 93, the reinforcement nail 93 pulls the reel 92 through the second steel wire rope 94 to rotate, the reel 92 rotates and can do paying-off motion to the second steel wire rope 94, the operator can fix the reinforcement nail 93 on the ground at the moment, or bind the reinforcement nail 93 on a tree through the second steel wire rope 94, so that the protection shed is fixed through the reinforcement nail 93, the operator then enables the reinforcement nail 93 to be loosened, and the manual rotation reel 92 does take-up motion to the second steel wire rope 94, so that the reinforcement nail 93 can be folded up.

Example 5

Based on embodiment 4, as shown in fig. 1, 8 and 9, the portable electronic device further includes a warning mechanism 10, the warning mechanism 10 includes a magnetic hinge block 101, a warning board 102 and a magnetic plate 103, the magnetic hinge block 101 is rotatably disposed on an upper side of one end of the two expansion plates 71 away from each other, the warning board 102 is bolted to the magnetic hinge block 101, the warning board 102 can contact with the expansion plates 71, the magnetic plate 103 is welded on one side of the two expansion plates 71 away from each other, the magnetic plate 103 is located outside the magnetic hinge block 101, and the magnetic hinge block 101 can be magnetically attracted by the magnetic plate 103.

Originally, magnetism articulated piece 101 is lived in magnetic plate 103 magnetic adsorption, and the operator pastes danger sign on one side that two warning signs 102 leave mutually, can be used for warning the workman in building site through warning sign 102, and the operator rotates warning sign 102 to this can pack up warning sign 102, and the operator is the reverse rotation warning sign 102 again, makes magnetism articulated piece 101 is lived in magnetic plate 103 magnetic adsorption again, with this can open warning sign 102.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a building site material protection canopy, including landing leg (1), first articulated slab (2), guard plate (3) and roof (4), landing leg (1) is equipped with two, symmetrical formula setting around two landing legs (1) are, be connected with first articulated slab (2) between two landing legs (1) upsides, first articulated slab (2) upper portion rotary type is equipped with two guard plates (3) that are used for the building material protection, two guard plates (3) are bilateral symmetry formula setting, the equal downward sloping of one end that guard plate (3) leave mutually, first articulated slab (2) upside is connected with roof (4) that are used for the drainage, roof (4) are located guard plate (3) top, a serial communication port, still including opening mechanism (5) and moving mechanism (6), be provided with opening mechanism (5) and moving mechanism (6) on landing leg (1).

2. The building site material protection shed according to claim 1, wherein the opening mechanism (5) comprises a fixed plate (51), a cylinder (52), a sliding frame (53), a first steel wire rope (54), a guide plate (55) and a second hinged plate (56), the guide plate (55) is sleeved on the upper portion of the supporting leg (1), the second hinged plate (56) is rotatably arranged on the left side and the right side of the guide plate (55) in a sliding mode, the second hinged plate (56) on the left side and the right side is rotatably connected with the protection plates (3) on the left side and the right side respectively, the fixed plate (51) is connected between the middle portions of the two supporting legs (1), the cylinder (52) for power output is installed on the upper side of the middle portion of the fixed plate (51), the sliding frame (53) is connected on a telescopic piece of the cylinder (52), the sliding frame (53) slidably penetrates through the supporting leg (1), the first steel wire rope (54) is symmetrically arranged on the front side and the rear side of the top portion of the sliding frame (53), the tail end of the first wire rope (54) is connected with a second hinge plate (56) which is closest to the first wire rope.

3. The building site material protection shed according to claim 2, wherein the moving mechanism (6) comprises a T-shaped frame (61), a mounting block (62), a rotating plate (63), a torsion spring (64) and a universal wheel (65), the mounting block (62) is arranged on the lower portion of the supporting leg (1) in a bilateral symmetry mode, a rotating shaft penetrates through the mounting block (62) in a rotating mode, the torsion spring (64) used for resetting is connected between the rotating shaft and the mounting block (62), the torsion spring (64) is arranged on the outer side of the rotating shaft in a winding mode, the universal wheel (65) and the rotating plate (63) used for assisting in moving are connected to the rotating shaft, the T-shaped frame (61) is arranged on the sliding frame (53) in a front-back symmetry mode, the T-shaped frame (61) is sleeved on the outer side of the fixing plate (51) in a sliding mode, and the T-shaped frame (61) can be in contact with the rotating plate (63) when moving downwards.

4. The building site material protection shed according to claim 3, characterized in that the building site material protection shed further comprises an expansion mechanism (7) for further protecting the building material, the expansion mechanism (7) comprises an expansion plate (71), a guide block (72), a pressure lever (73), a clamping block (74) and a return spring (75), contact blocks are symmetrically arranged at the front and back of the upper side of the end, away from each other, of the two protection plates (3), the expansion plate (71) for increasing the protection area is slidably arranged at the upper side of the protection plate (3), the expansion plate (71) can be contacted with the contact blocks, clamping grooves (76) are symmetrically arranged at the front and back of the lower side of the opposite end of the two expansion plates (71), the guide block (72) is symmetrically arranged at the front and back of the upper side of the opposite end of the two protection plates (3), the pressure lever (73) is slidably arranged on the guide block (72), and the pressure lever (73) is contacted with the top plate (4), a clamping block (74) is connected to the lower side of the pressing rod (73), the clamping block (74) can be in contact with the expansion plate (71) and the clamping groove (76), a return spring (75) is connected between the clamping block (74) and the guide block (72), and the return spring (75) is wound on the outer side of the pressing rod (73).

5. The building site material protection shed according to claim 4, characterized in that the isolation mechanism (8) is used for preventing building materials from contacting the ground, the isolation mechanism (8) comprises T-shaped plates (81), supporting blocks (82) and isolation plates (83), the T-shaped plates (81) are symmetrically arranged on one opposite side of the upper portions of the two T-shaped frames (61), the supporting blocks (82) are connected between the lower portions of the two supporting legs (1), the two isolation plates (83) are rotatably arranged on the supporting blocks (82), the two isolation plates (83) are symmetrically arranged left and right, and the isolation plates (83) can be in contact with the T-shaped plates (81).

6. The building site material shelter of claim 5, further comprising a reinforcing mechanism (9) for fixing the shelter, wherein the reinforcing mechanism (9) comprises a connecting plate (91), a winding wheel (92), a reinforcing nail (93) and a second steel wire rope (94), the connecting plate (91) is symmetrically arranged on the left side and the right side of the leg (1), the winding wheel (92) is rotatably arranged on one opposite side of the two symmetrical connecting plates (91), the second steel wire rope (94) is wound on the winding wheel (92), and the reinforcing nail (93) for fixing is connected to the tail end of the second steel wire rope (94).

7. The building site material protection shed according to claim 6, characterized in that the building site material protection shed further comprises a warning mechanism (10) for warning workers, the warning mechanism (10) comprises a magnetic hinge block (101), a warning board (102) and a magnetic plate (103), the magnetic hinge block (101) is rotatably arranged on the upper side of one end, away from the two expansion plates (71), of the magnetic hinge block (101), the warning board (102) for prompting is connected to the magnetic hinge block (101), the warning board (102) can be in contact with the expansion plates (71), the magnetic plate (103) is connected to one side, away from the two expansion plates (71), of the magnetic hinge block (101), the magnetic plate (103) is located on the outer side of the magnetic hinge block (101), and the magnetic hinge block (101) can be magnetically adsorbed by the magnetic plate (103).

8. A shelter as claimed in claim 6, wherein the protection plate (3) is made of aluminium alloy.