Steel structure construction protection device

Abstract

The utility model discloses a steel structure construction protection device, which relates to the technical field of steel structure construction protection, and comprises a construction frame, a protection structure, a reset structure and a limiting structure, and the construction frame comprises two stand column frames. By arranging a protection structure, when a lifting assembly lifts and descends a construction platform, a lifting steel rope can pull a connecting plate at the moment, so that a second spur rack can be driven to ascend, when the connecting plate makes contact with a limiting plate, the second spur rack does not continue to ascend at the moment, and when the second spur rack ascends, the second spur rack does not continue to ascend. The linkage assembly can drive a first straight rack to slide towards the side away from the gear rod, after the lifting steel rope is broken, a reset structure can drive a second straight rack to descend and reset at the moment, the linkage assembly can drive a plug pin to move towards the side close to the gear rod at the moment, and when the construction platform descends rapidly, the gear rod can block the plug pin, so that the safety of the construction platform is improved. And therefore, the construction platform can be prevented from continuing to descend, and constructors can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure construction protection technical field especially relates to a steel structure construction protection device. BACKGROUND

[0002] Construction frame is the equipment commonly used in steel structure building, for example, in some large steel structure factory, high-rise building steel structure frame construction, usually will set up construction frame.

[0003] China authorized announcement number CN112431394A discloses a kind of liftable steel structure construction frame, including underframe, the lower end of underframe is provided with multiple wheels, further include: stand, guide pulley block, lifting plate, guide rod group, hoisting rope and lifting device, stand is provided with two, respectively set in the left end and right end of underframe, lifting plate is set in the top of underframe, lifting plate is provided with multiple guide holes, guide rod group includes multiple guide rods, guide rod is one-to-one by each guide hole from passing through;Hoisting rope is same in quantity with guide pulley block, hoisting rope is from each pulley in guide pulley block passing through, at least one hoisting rope in each hoisting rope is connected with the left end of lifting plate, at least one hoisting rope is connected with the right end of lifting plate;Lifting device is connected with hoisting rope, lifting device drives lifting plate to move upwards by hoisting rope;The present application has the advantages of convenient and safe, and the use height can be adjusted within a certain height range, very convenient for construction.

[0004] But the device has the following defects when using: although the device can lift and lower lifting plate by the cooperation of lifting device and hoisting rope, but in the process of lifting and lowering lifting plate, if hoisting rope is broken due to long-term use, then it will cause lifting plate to fall to ground quickly, so as to cause harm to construction personnel.For the above-mentioned defects: for this reason, we propose a kind of steel structure construction protection device. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and proposes a kind of steel structure construction protection device.

[0006] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme: a kind of steel structure construction protection device, comprising:

[0007] Construction frame, the construction frame includes two column frames, top beam frame is fixedly installed on the upper surface of two column frames by bolt, construction platform is slidably connected between two column frames, and lifting assembly is arranged on the upper surface of top beam frame for driving construction platform to move;

[0008] The protective structure comprises a baffle rod fixedly installed on the inner wall of the column frame, protective boxes fixedly installed on the two side surfaces of the construction platform respectively, sliding grooves respectively formed on the opposite surfaces of the two protective boxes, a latch slidingly connected to the inner wall of the sliding groove, and a linkage assembly arranged in the protective box and used to drive the latch to move.

[0009] The linkage assembly comprises a rotating shaft rotatably installed on the inner wall of the protective box, a first spur gear and a second spur gear fixedly installed on the surface of the rotating shaft respectively, a first rack groove and a second rack groove respectively formed on the opposite surfaces of the two protective boxes, a first straight rack and a second straight rack slidingly installed on the inner wall of the first rack groove and the second rack groove respectively, and the other end of the first straight rack is fixedly connected to one side of the latch.

[0010] The reset structure comprises a connecting plate fixedly installed on the upper end of the second straight rack, a guide hole formed on the surface of the connecting plate, a guide rod slidingly connected to the inner wall of the guide hole, a tension spring sleeved on the surface of the guide rod, and a limiting plate fixedly installed on the upper end of the guide rod, and the lower end of the guide rod is fixedly connected to the upper surface of the protective box.

[0011] The limiting structure is arranged on the upper surface of the connecting plate and used to fix the construction platform.

[0012] Preferably, the lifting assembly comprises a winch fixedly installed on the upper surface of the top beam frame, and a lifting steel rope arranged on the surface of the winding roller of the winch, and the lower end of the lifting steel rope is fixedly connected to the upper surface of the connecting plate.

[0013] Preferably, the first straight rack and the first spur gear are in meshing transmission, and the second straight rack and the second spur gear are in meshing transmission.

[0014] Preferably, one end of the tension spring is fixedly connected to the lower surface of the connecting plate, and the other end of the tension spring is fixedly connected to the upper surface of the protective box.

[0015] Preferably, the limiting structure comprises a guide ring fixedly installed on the upper surface of the connecting plate, a limiting pin slidingly connected to the inner wall of the guide ring, and an adjusting bolt screwedly connected to the upper surface of the connecting plate.

[0016] Preferably, the threaded end of the adjusting bolt is rotatably connected to one side of the limiting pin.

[0017] Preferably, the two side surfaces of the construction platform are both fixedly installed with L-shaped mounting seats, the two surfaces of the L-shaped mounting seats close to the column frame are respectively provided with rollers, and the surfaces of the rollers are in rolling cooperation with the surfaces of the column frame.

[0018] Preferably, the upper surface and the lower surface of the column frame are both provided with bolt holes for the bolts to pass through.

[0019] Compared with the prior art, the utility model has the advantages of

[0020] 1, by setting up the protection structure, when the lifting assembly is lifted and is lowered to construction platform, the lifting steel rope will pull the interface board at the moment, so can drive the second straight rack to rise, when the interface board and the limiting plate contact, the second straight rack will not continue to rise at the moment, when the second straight rack rises, the linkage assembly will drive the first straight rack to slide away from the side of the stop lever, when the lifting steel rope is broken, the reset structure will drive the second straight rack to descend reset at the moment, the linkage assembly will drive the bolt to move to the side of the stop lever at the moment, when the construction platform is rapidly lowered, the stop lever will block the bolt, so can prevent the construction platform from continuing to descend, thereby can protect the construction personnel.

[0021] 2, by setting up the limiting structure, when the construction platform is lifted to the specified height, the limiting pin can be moved to the side of the stop lever at the moment, and is overlapped on the upper end of the stop lever, so that the construction platform can be limited, the lifting steel rope does not need to continue to pull the construction platform at the moment, so that the service life of the lifting steel rope can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings described herein are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation.

[0023] Figure 1 It is the three-dimensional schematic view of the utility model;

[0024] Figure 2 It is the three-dimensional schematic view of the construction frame of the utility model;

[0025] Figure 3 It is the three-dimensional schematic view of the column frame of the utility model;

[0026] Figure 4 It is the three-dimensional schematic view of the top beam frame of the utility model;

[0027] Figure 5 It is the three-dimensional schematic view of the reset structure of the utility model;

[0028] Figure 6 It is the front sectional view of the protective box of the utility model;

[0029] Figure 7 It is the side sectional view of the protective box of the utility model.

[0030] The figure serial number: 10 is a column frame, 11 is a roof beam frame, 12 is a construction platform, 20 is a stop rod, 21 is a protection box, 22 is a bolt, 30 is a rotating shaft, 31 is a first straight gear, 32 is a second straight gear, 33 is a first straight rack, 34 is a second straight rack, 40 is a connecting plate, 41 is a guide rod, 42 is a tension spring, 43 is a limiting plate, 50 is a winch, 51 is a lifting steel rope, 60 is a guide ring, 61 is a limiting pin, 62 is an adjusting bolt, 70 is an L-shaped mounting seat, 71 is a roller, and 72 is a bolt hole. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0032] Please refer to Figures 1-7 , the utility model provides a technical scheme: a steel structure construction protection device, include: construction frame, protection structure, reset structure and limiting structure.

[0033] Please refer to Figures 1-3 , the construction frame includes two column frames 10, a roof beam frame 11 fixedly installed on the upper surfaces of the two column frames 10 through bolts, a construction platform 12 slidingly connected between the two column frames 10, and a lifting assembly arranged on the upper surface of the roof beam frame 11 for driving the construction platform 12 to move, the upper surface and the lower surface of the column frame 10 are both provided with bolt holes 72 for the bolts to pass through, and the plurality of column frames 10 can be connected into one body by means of the bolts, so that the overall height of the construction frame can be adjusted according to the height of the construction area.

[0034] Please refer to Figure 5 , the two side surfaces of the construction platform 12 are both fixedly provided with L-shaped mounting seats 70, the two surfaces of the L-shaped mounting seat 70 close to the column frame 10 are both provided with rollers 71, and the surfaces of the rollers 71 are in rolling cooperation with the surfaces of the column frame 10, the cooperation between the two rollers 71 and the column frame 10 can make the construction platform 12 slide up and down along the surface of the column frame 10 and guide the movement track of the construction platform 12.

[0035] Please refer to Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 , the protection structure includes a stop rod 20 fixedly installed on the inner wall of the column frame 10, protection boxes 21 fixedly installed on the two side surfaces of the construction platform 12, sliding grooves respectively formed on the opposite surfaces of the two protection boxes 21, a bolt 22 slidingly connected to the inner wall of the sliding groove, and a linkage assembly arranged in the protection box 21 for driving the bolt 22 to move, the number of the stop rods 20 is multiple, and the multiple stop rods 20 are equidistantly arranged on the inner wall of the column frame 10.

[0036] The linkage assembly comprises a rotating shaft 30 rotatably installed on the inner wall of the protective box 21, a first spur gear 31 and a second spur gear 32 fixedly installed on the surface of the rotating shaft 30 respectively, a first rack slot and a second rack slot respectively formed on the opposite surfaces of the two protective boxes 21, a first straight rack 33 and a second straight rack 34 respectively slidably installed on the inner walls of the first rack slot and the second rack slot, and the other end of the first straight rack 33 is fixedly connected with one side of the bolt 22, the first straight rack 33 is in meshing transmission with the first spur gear 31, the second straight rack 34 is in meshing transmission with the second spur gear 32, the second straight rack 34 is pulled upward, the rotating shaft 30 is driven to rotate by the meshing transmission between the second straight rack 34 and the second spur gear 32, the first spur gear 31 is driven to rotate after the rotating shaft 30 rotates, and the bolt 22 is driven to move by the meshing transmission between the first straight rack 33 and the first spur gear 31.

[0037] The reset structure comprises a connecting plate 40 fixedly installed on the upper end of the second straight rack 34, a guide hole formed on the surface of the connecting plate 40, a guide rod 41 slidably connected with the inner wall of the guide hole, a tension spring 42 sleeved on the surface of the guide rod 41, and a limiting plate 43 fixedly installed on the upper end of the guide rod 41, and the lower end of the guide rod 41 is fixedly connected with the upper surface of the protective box 21, one end of the tension spring 42 is fixedly connected with the lower surface of the connecting plate 40, and the other end of the tension spring 42 is fixedly connected with the upper surface of the protective box 21, when the connecting plate 40 is pulled upward, the connecting plate 40 slides along the surface of the guide rod 41, and the second straight rack 34 moves upward synchronously, when the connecting plate 40 contacts with the limiting plate 43, the connecting plate 40 does not continue to rise, and the tension spring 42 is in an open state.

[0038] Referring to Figures 4-5 The lifting assembly comprises a winch 50 fixedly installed on the upper surface of the top beam frame 11, and a lifting steel wire 51 arranged on the surface of the winding roller of the winch 50, and the lower end of the lifting steel wire 51 is fixedly connected with the upper surface of the connecting plate 40, when the winch 50 winds the lifting steel wire 51, the connecting plate 40 is pulled and driven to move upward, when the connecting plate 40 contacts with the limiting plate 43, the construction platform 12 is driven to move upward, so that the construction platform 12 is lifted.

[0039] When the second straight rack 34 rises, the linkage assembly drives the first straight rack 33 to slide away from the side of the stop rod 20, when the lifting steel wire 51 breaks, the tension spring 42 resets, the reset structure drives the second straight rack 34 to descend and reset, the linkage assembly drives the bolt 22 to move to the side close to the stop rod 20, when the construction platform 12 rapidly descends, the stop rod 20 blocks the bolt 22, so that the construction platform 12 is prevented from continuing to descend, and the construction personnel is protected.

[0040] Referring to Figures 5-6 The limiting structure is arranged on the upper surface of the connecting plate 40 and is used for fixing the construction platform 12, and the limiting structure comprises a guide ring 60 fixedly arranged on the upper surface of the connecting plate 40, a limiting pin 61 slidingly connected to the inner wall of the guide ring 60, and an adjusting bolt 62 screwedly connected to the upper surface of the connecting plate 40, and the threaded end of the adjusting bolt 62 is rotatably connected to one side of the limiting pin 61; when the construction platform 12 is lifted to a specified height, the adjusting bolt 62 can be rotated to drive the limiting pin 61 to move to the side close to the stop rod 20 and to be overlapped on the upper end of the stop rod 20, so that the construction platform 12 can be limited, and at this time, the lifting steel wire 51 does not need to continue to pull the construction platform 12, thereby improving the service life of the lifting steel wire 51; in order to avoid the construction personnel from falling from the construction platform 12, a safety belt can be buckled on the construction personnel, and the other end of the safety belt can be fixed on the stop rod 20.

[0041] Specifically, the working principle and the operation method of the utility model are as follows:

[0042] First, the height of the column frame 10 is assembled according to the height of the construction area, after the assembly is completed, the top beam frame 11 is installed on the two column frames 10, and then the construction platform 12 is installed between the two column frames 10; when the lifting assembly is driven, the connecting plate 40 can be pulled, so that the construction platform 12 can be lifted; at this time, the stress of the linkage assembly drives the first straight rack 33 to slide to the side away from the stop rod 20; when the lifting steel wire 51 is broken, the return spring 42 resets, and the reset structure drives the second straight rack 34 to descend and reset; at this time, the linkage assembly drives the latch 22 to move to the side close to the stop rod 20; when the construction platform 12 rapidly descends, the stop rod 20 blocks the latch 22, so that the construction platform 12 can be prevented from continuing to descend; when the construction platform 12 is lifted to a specified height, the adjusting bolt 62 can be rotated to drive the limiting pin 61 to move to the side close to the stop rod 20 and to be overlapped on the upper end of the stop rod 20, so that the construction platform 12 can be limited, and at this time, the lifting steel wire 51 does not need to continue to pull the construction platform 12.

[0043] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the conception of the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A steel structure construction protection device, characterized by, The utility model relates to a construction frame and a protection structure thereof, and belongs to the field of construction equipment. The construction frame comprises two column frames (10), a top beam frame (11) fixedly installed on the upper surfaces of the two column frames (10), a construction platform (12) slidingly connected between the two column frames (10), and a lifting assembly arranged on the upper surface of the top beam frame (11) and used to drive the construction platform (12) to move. The protection structure comprises a baffle rod (20) fixedly installed on the inner walls of the column frames (10), protection boxes (21) fixedly installed on the two side surfaces of the construction platform (12) respectively, sliding grooves respectively formed in the opposite surfaces of the two protection boxes (21), a latch (22) slidingly connected to the inner walls of the sliding grooves, and a linkage assembly arranged in the protection boxes (21) and used to drive the latch (22) to move. The linkage assembly comprises a rotating shaft (30) rotatably installed on the inner walls of the protection boxes (21), a first spur gear (31) and a second spur gear (32) fixedly installed on the surface of the rotating shaft (30) respectively, first rack grooves respectively formed in the opposite surfaces of the two protection boxes (21), second rack grooves respectively formed in the upper surfaces of the two protection boxes (21), and a first straight rack (33) and a second straight rack (34) slidingly installed on the inner walls of the first rack grooves and the second rack grooves respectively, and the other end of the first straight rack (33) is fixedly connected to one side of the latch (22). The reset structure comprises a connecting plate (40) fixedly installed on the upper end of the second straight rack (34), a guide hole formed in the surface of the connecting plate (40), a guide rod (41) slidingly connected to the inner wall of the guide hole, a tension spring (42) sleeved on the surface of the guide rod (41), and a limiting plate (43) fixedly installed on the upper end of the guide rod (41), and the lower end of the guide rod (41) is fixedly connected to the upper surface of the protection box (21). The limiting structure is arranged on the upper surface of the connecting plate (40) and used to fix the construction platform (12).

2. A steel construction site protection device according to claim 1, characterised in that: The lifting assembly comprises a winch (50) fixedly installed on the upper surface of the top beam frame (11), and a lifting steel rope (51) arranged on the surface of the winding roller of the winch (50), and the lower end of the lifting steel rope (51) is fixedly connected to the upper surface of the connecting plate (40).

3. A steel construction site protection device according to claim 1, characterized in that: The first straight rack (33) is in mesh transmission with the first spur gear (31), and the second straight rack (34) is in mesh transmission with the second spur gear (32).

4. A steel construction site protection device according to claim 1, characterized in that: One end of the tension spring (42) is fixedly connected to the lower surface of the connecting plate (40), and the other end of the tension spring (42) is fixedly connected to the upper surface of the protection box (21).

5. A steel construction work protection device according to claim 1, characterized in that: The limiting structure comprises a guide ring (60) fixedly installed on the upper surface of the connecting plate (40), a limiting pin (61) slidingly connected to the inner wall of the guide ring (60), and an adjusting bolt (62) threadedly connected to the upper surface of the connecting plate (40).

6. A steel construction site protection arrangement according to claim 5, characterised in that: The threaded end of the adjusting bolt (62) is rotatably connected to one side of the limiting pin (61).

7. A steel construction site protection device according to claim 1, characterized in that: Both sides of the construction platform (12) are fixedly provided with L-shaped mounting seats (70), and the L-shaped mounting seats (70) are provided with rollers (71) on the two surfaces close to the column frame (10), and the surfaces of the rollers (71) are in rolling cooperation with the surfaces of the column frame (10).

8. A steel construction site protection device according to claim 1, characterized in that: The upper surface and the lower surface of the column frame (10) are provided with bolt holes (72) for the bolts.

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