Safety protection fence for construction
Technical Field
The utility model relates to a construction technical field especially relates to a safety protection fence for construction.
Background
At present, in the building construction process, for the safety, a safety protection fence is arranged during construction to protect the safety of people.
The single protective fence is arranged to form a protective area in general building construction, so that the protective fence is easy to topple and shift, and even if the single protective fence is fixedly connected to form the protective area in some building sites, the angle between every two protective fences cannot be adjusted according to the area terrain to be protected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art, and the safety protection fence for construction that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safety protection fence for building construction comprises a fence frame, a plurality of through holes are arranged on the upper side wall of the fence frame, the lower side wall of the fence frame is provided with a plurality of circular grooves which have the same diameter as the through holes and are positioned on the same vertical line, a guard bar is arranged between the through hole and the circular groove, first connecting blocks are fixedly welded on the upper and lower sides of the side wall of the fence frame, a through groove with the same diameter is arranged in the middle of each first connecting block, a second connecting block is fixedly welded on the other side wall of the fence frame from top to bottom, a bolt is fixedly arranged at the lower end of the second connecting block, the bolts penetrate through the through grooves on the adjacent fence frames and extend out of the bottoms of the through grooves, the outer walls of the lower ends of the bolts are connected with nuts in a threaded manner, the lower side wall of the fence frame is fixedly provided with a bottom plate, and the lower side wall of the bottom plate is respectively and fixedly provided with universal wheels positioned at two sides of the fence frame.
Preferably, the upper side wall of the bottom plate is fixedly connected with two first telescopic springs, one ends, far away from the bottom plate, of the two first telescopic springs are connected with a transverse plate together, a fixing rod located between the two first telescopic springs is fixedly mounted on the lower side wall of the transverse plate, the fixing rod penetrates through the bottom plate and extends to the bottom of the bottom plate, and the lower end of the fixing rod is tapered.
Preferably, one side of the fixed rod is provided with a groove, the inner side wall of the groove is fixedly connected with a second telescopic spring, one end, far away from the inner side wall of the groove, of the second telescopic spring is fixedly connected with a limiting rod, and one side, far away from the second telescopic spring, of the limiting rod is arranged to be arc-shaped.
Preferably, the total elastic force of the two first telescopic springs positioned on the bottom plate is greater than the total gravity of the transverse plate, the fixed rod, the second telescopic spring and the limiting rod.
Preferably, the circle centers of the through grooves are located on the same vertical line, and the diameter of each through groove is the same as that of each bolt.
Preferably, the outer wall of each protection rod is pasted with a reflective sticker.
Compared with the prior art, this safety protection fence for construction's advantage lies in:
1. a first connecting block is fixedly welded on one side of each fence frame, a through groove is formed in the middle of each first connecting block, a second connecting block is fixedly welded on the other side of each fence frame, a bolt is fixedly connected in the middle of the lower end of each second connecting block, the bolt connected with the lower end of the second connecting block of one fence frame is inserted into the barrel groove of the first connecting block of the other fence frame, connection and rotation of the fences are achieved, and the nuts in threaded connection with the outer walls of the bolts are rotated, so that the angle between the two fences is fixed;
2. the lower side wall of the fence frame is fixedly provided with a bottom plate, and the lower end of the bottom plate is provided with two universal wheels which are symmetrically distributed, so that the fence can be easily rotated, and time and labor are saved;
3. one side of the bottom plate is connected with a fixing rod in a penetrating mode, the upper end of the fixing rod is fixedly connected with a cross rod, a first telescopic spring is connected between the lower side wall of the cross rod and the upper side wall of the bottom plate, a groove is formed in one side of the fixing rod, a second telescopic spring is installed on the inner wall of the groove, one end, far away from the inner wall of the groove, of the second telescopic spring is connected with a limiting rod, the cross plate is pressed down to drive the fixing rod to move downwards, the lower end of the fixing rod is inserted into the ground, the limiting rod extends out of the groove under the action force of the second telescopic spring to limit the;
to sum up, the utility model discloses a bolt on the second connecting block with fence frame one side inserts the logical inslot of the first connecting block of another fence frame one side, accomplishes the connection to a plurality of fences, rotates the fence frame, realizes the regulation to the fence angle to through the nut of the threaded connection of screwing on the bolt outer wall, to the fixed of the fence after adjusting the angle.
Drawings
Fig. 1 is a schematic structural view of a safety protection fence for building construction according to the present invention;
fig. 2 is a side view of a safety barrier for building construction according to the present invention;
fig. 3 is an enlarged view of a portion a.
In the figure: 1 fence frame, 2 through-holes, 3 protection rods, 4 first connecting blocks, 5 through grooves, 6 bolts, 7 nuts, 8 bottom plates, 9 universal wheels, 10 first telescopic springs, 11 transverse plates, 12 fixing rods, 13 grooves, 14 second telescopic springs, 15 limiting rods and 16 second connecting blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a safety protection fence for building construction comprises a fence frame 1, wherein the upper side wall of the fence frame 1 is provided with a plurality of through holes 2, the lower side wall of the fence frame 1 is provided with a plurality of circular grooves which have the same diameter as the through holes 2 and are positioned on the same vertical line, a protection rod 3 is arranged between the through holes 2 and the circular grooves, when the protection rod 3 is damaged, the protection rod 3 is replaced through the through holes 2, the outer wall of each protection rod 3 is pasted with a reflective sticker, so that a constructor can find the protection fence under the condition of insufficient sight at night, accidents are prevented, the side wall of the fence frame 1 is fixedly welded with first connecting blocks 4 from top to bottom, the middle part of each first connecting block 4 is provided with a through groove 5 with the same diameter, the other side wall of the fence frame 1 is fixedly welded with second connecting blocks 16 from top to bottom, the second connecting blocks 16 are welded above the horizontal plane of the, the lower end of the second connecting block 16 is fixedly provided with a bolt 6, the diameter of the bolt 6 is the same as that of the through groove 5, and the circle center of the through groove 5 is positioned on the same vertical line, so that when a plurality of fences are connected, the bolt 6 fixedly connected on the side wall of the fence frame 1 can be vertically inserted into the through groove 5 to prevent the fences from inclining when being connected, the bolt 6 passes through the through groove 5 on the adjacent fence frame 1 and extends out of the bottom of the through groove 5, the outer wall of the lower end of the bolt 6 is in threaded connection with a nut 7, when the adjacent fences are connected through the bolt 6, the nut 7 on the outer wall of the bolt 6 is screwed to fix the fences, the lower side wall of the fence frame 1 is fixedly provided with a bottom plate 8, the lower side wall of the bottom plate 8 is respectively and fixedly provided with universal wheels 9 positioned at two sides of the fence frame 1, the fence frame, time and labor are saved.
The upper side wall of the bottom plate 8 is fixedly connected with two first telescopic springs 10, one ends of the two first telescopic springs 10 far away from the bottom plate 8 are jointly connected with a transverse plate 11, the lower side wall of the transverse plate 11 is fixedly provided with a fixed rod 12 positioned between the two first telescopic springs 10, the fixed rod 12 penetrates through the bottom plate 8 and extends to the bottom of the bottom plate 8, the lower end of the fixed rod 12 is arranged to be conical, when the transverse plate 11 is pressed down, the transverse plate 11 drives the fixed rod 12 to move downwards, the fixed rod 12 is arranged to be inserted into the ground at the moment, the protective fence is fixed, one side of the fixed rod 12 is provided with a groove 13, the inner side wall of the groove 13 is fixedly connected with a second telescopic spring 14, one end of the second telescopic spring 14 far away from the inner side wall of the groove 13 is fixedly connected with a limiting rod 15, the transverse plate 11 is pressed down to drive the fixed rod 12 to move, under the elastic force of the second telescopic spring 14, the limiting rod 15 is popped out of the groove 13, the limiting rod 15 limits the fixing rod 12, when the external force is removed, the fixing rod 12 is prevented from moving upwards under the elastic force of the first telescopic spring 10, one side of the limiting rod 15, which is far away from the second telescopic spring 14, is arranged into an arc shape, when the fixing rod 12 moves, one side of the limiting rod 15, which is arranged into the arc shape, is in sliding contact with the inner wall of the bottom plate 8, so that the sliding smoothness of the limiting rod 15 is increased, the total elastic force of the two first telescopic springs 10 positioned on the bottom plate 8 is greater than the total gravity of the transverse plate 11, the fixing rod 12, the second telescopic spring 14 and the limiting rod 15, an acting force is applied to the limiting rod 15, the limiting rod 15 moves to the inside of the groove 13, under the total elastic force of the two first telescopic springs 10, the fixing rod 12 is driven to move upwards, the fixing of the protective fence is cancelled.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
Now, the operation principle of the present invention is explained as follows:
inserting a bolt 6 fixedly connected with one side of one fence frame 1 into a through groove 5 on one side of the other fence frame 1 to realize the connection of the fence frames 1, rotating the fence frames 1 according to a specific protection area, adjusting the angle between the fence frames 1, screwing a nut 7 on the outer wall of the lower end of the bolt 6 when the position of the fence frame 1 is determined, fixing the angle of the fence frame 1, applying a downward force on a transverse plate 11 to drive a fixing rod 12 to move downwards, inserting the conical end of the fixing rod 12 into the ground, arranging the upper side wall of a groove 13 formed in one side of the fixing rod 12 and the lower side wall of a bottom plate 8 at the same horizontal line, popping up a limiting rod 15 under the elastic action of a second expansion spring 14, limiting the limiting rod 15 limits the fixing rod 12, preventing the fixing rod 12 from moving upwards under the elastic force of the first expansion spring 10 to finish the fixing of the fence frames 1, prevent that fence frame 1 from taking place the displacement under the effect of external force, when needs move fence frame 1, exert an external force to gag lever post 15, gag lever post 15 gets into the inside of recess 13, and under the elasticity of first expanding spring 10, dead lever 12 upward movement this moment, dead lever 12 sets up conical one end and keeps away from ground, cancels the fixed to fence frame 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.