CN219167557U - Floor protection device - Google Patents

Abstract

The utility model discloses a floor protection device which comprises a buffer column, a buffer bracket and a buffer net. The buffer column adopts the structure of the buffer bullet-stopping column, the buffer support adopts a plurality of triangular pyramid structures, the buffer net adopts a secondary buffer net structure, and the buffer column has good structural stability and buffer effect. The safety protection device is applied to a high-rise protection device and can effectively protect falling personnel. In addition, an emergency escape passage is also arranged, and escape can be carried out through a protective device at the periphery of the floor under the emergency conditions such as high-rise fire and the like.

Description

Floor protection device

Technical Field

The utility model belongs to the field of floor protection devices, and particularly relates to a floor protection device.

Background

Along with the gradual increase of the learning pressure of students at present, teenager physical and mental health problems are the focus of attention of families, schools and society all the time, although various social circles take some measures to strengthen the ideological and moral construction of teenagers, in order to prevent the students from falling down, cameras are arranged in schools to monitor in real time, so that the patrol intensity of campus security is increased, but due to the adoption of manual monitoring, the problems of large monitoring range, insufficient intensity and low efficiency exist.

In order to prevent the secondary occurrence of the accidents, windows, balconies, corridors and the like of the student activities concentrated places such as school teaching buildings, student dormitories and the like are all sealed by metal protective fences and protective nets, and potential harm to the physical and psychological growth of students can not be measured for a long time.

In addition, floor protection is also necessary for large or labor-intensive businesses. The enterprises are dense in personnel, and most of staff work and life are concentrated, so that the security of fire protection of the enterprises and life safety of the personnel are guaranteed.

In addition, under the condition of high-rise fire, people escape routes are single, people can escape only through stairs, when a certain floor has a large fire, the escape routes can be blocked, a new escape mode is necessary to be designed, escape channels are arranged on the outer wall surfaces of the proper positions of the buildings, and people can be quickly helped to escape. It is therefore necessary to design a protective device to be installed between the floors outside the building.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a floor protection device.

The technical scheme of the utility model is realized as follows:

a floor protection device, comprising:

the buffer column is arranged on the first bottom plate and used for buffering the impact force of the falling object;

the buffer bracket is arranged on the buffer column and the first bottom plate and is used for generating deformation to bear impact force, and comprises a long side rod and a short cross rod which form a buffer area;

and the buffer net is positioned in the buffer area, connected to the buffer bracket through a steel wire rope and used for buffering the impact force of falling objects.

In the floor protection device, the buffer net adopts a secondary buffer net structure, the secondary buffer net structure comprises a main net frame assembly and an auxiliary net frame assembly, the main net frame assembly comprises an outer frame and a main buffer net, the outer frame comprises a long side rod and a short cross rod, the short cross rod comprises a first short cross rod and a second short cross rod, the first short cross rod and the second short cross rod are hinged through a limiting hinge, a net frame lock catch is arranged on the long side rod, and the auxiliary net frame assembly is positioned below the main buffer net and used for supporting the main buffer net and is arranged in the outer frame in a falling mode through the net frame lock catch.

In this floor protection of the utility model, the limit hinge comprises a first movable member mounted in the first short rail and a second movable member mounted in the second short rail.

In the floor protection device, the first movable piece is provided with the first main pin hole, the kidney-shaped groove and the limit pin hole, the second movable piece comprises the second main pin hole and the second bolt hole, the first main pin hole and the second main pin hole are locked through the -shaped piece, and the second bolt hole and the kidney-shaped groove are connected through the bolt.

In the floor protection device, the buffer column adopts the buffer bullet-stopping column, the buffer bullet-stopping column comprises a buffer structure and a bullet-stopping structure, the bullet-stopping structure is positioned in the buffer structure, the buffer structure comprises a buffer sleeve, the bullet-stopping structure comprises a bullet-stopping sleeve, and a first buffer spring is arranged between the buffer sleeve and the bullet-stopping sleeve;

the buffer structure further comprises a buffer, the buffer is arranged on the bottom plate of the buffer sleeve and is located in the bullet stopping sleeve, a bullet stopping rod is slidably arranged in the bullet stopping sleeve, a plurality of nuts are uniformly arranged around the bullet stopping rod, bullet stopping snap rings are arranged between the nuts, and arc-shaped convex rings are uniformly arranged on the inner wall of the bullet stopping sleeve in an array mode.

In the floor protection device, the bullet-stopping snap ring is an unsealed circular ring, and a plurality of arc-shaped notch grooves are uniformly arrayed on the bullet-stopping snap ring.

In such a floor protection of the present utility model, the arcuate collar includes a first ramp and a second ramp, the first ramp having a slope less than the slope of the second ramp and the first ramp having a slope longer than the second ramp.

In the floor protection device of the present utility model, the buffer bracket includes a first buffer rod, a second buffer rod, and a third buffer rod, the first buffer rod and the second buffer rod are mounted on a buffer column through a first connection member, the buffer column is fixed on a first base plate, one end of the third buffer rod is hinged on the first base plate, the other end is hinged on the second buffer rod,

the upper parts of the first connecting piece and the second buffer rod are respectively provided with a tee connecting piece, both ends of each tee connecting piece are respectively provided with a long side rod and a short cross rod, an area is formed by the long side rods and the short cross rods, and the buffer net is arranged in the area.

In the floor protection device of the present utility model, the buffer bracket further comprises a fourth buffer rod, one end of the fourth buffer rod is hinged on the first connecting piece, and the other end of the fourth buffer rod is slidably arranged on the third buffer rod.

In the floor protection device, the first connecting piece comprises an arc-shaped mounting plate, a side surface mounting plate, a sliding column and a bottom mounting plate, wherein the side surface mounting plate, the arc-shaped mounting plate and the bottom mounting plate are all mounted on the buffer sleeve through bolts, the sliding column is slidably arranged between the side surface mounting plates through a third pin shaft, the three-way connecting piece, a first fixed end, a second fixed end and a first hinged end are arranged on the sliding column, and the buffer support is mounted on the first connecting piece through the first fixed end, the second fixed end and the first hinged end.

In the floor protection device of the utility model, the first buffer rod and the second buffer rod are respectively connected on the first fixing end and the second fixing end, one end of the fourth buffer rod is hinged on the third pin shaft, and the other end of the fourth buffer rod is slidably arranged on the third buffer rod.

In this floor protection according to the utility model, the long side bar is hinged to the three-way connection by means of a second connection.

The floor protection device for the high building is characterized by comprising the floor protection devices, wherein the floor protection devices are connected in series through three-way connecting pieces.

As a further development of the utility model, the vertical spacing between the floor guards is at least the height of two floors.

The floor protection device has the following beneficial effects:

(1) The secondary buffering net structure is arranged, the maximum buffering force is provided in a limited space range, and the maximum buffering force and the net rack bearing force can be provided to protect falling objects. In addition, an emergency escape passage is also arranged, and escape can be carried out through a protective device at the periphery of the floor under the emergency conditions such as high-rise fire and the like.

(2) The buffer spring stopping column structure is adopted, so that the buffer column can be prevented from being sprung suddenly while a good buffer effect is achieved, the buffer spring stopping column is firm and reliable, the buffer spring stopping column can be used for a long time, and the buffer spring stopping column is particularly applied to a high-rise protective device and is used for effectively protecting the safety of falling personnel.

(3) The buffer bracket adopts a structure of a plurality of triangular pyramids, so that the firmness of the buffer bracket is greatly improved, and the buffer bracket has good stability and buffer effect in a shorter stroke.

Drawings

Fig. 1 is a schematic view of the structure of the floor protection device of the present utility model;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the variation of FIG. 1 showing the structure of the secondary rack assembly separated from the primary rack assembly;

FIG. 4 is a top view of FIG. 1 showing the construction of the endurance plate, escape opening and main buffer mesh;

FIG. 5 is a bottom view of FIG. 1, illustrating a schematic view of the secondary grid assembly;

FIG. 6 is a perspective view of FIG. 1;

FIG. 7 is an exploded view of the check hinge of FIG. 6;

FIG. 8 is an enlarged exploded view of portion A of FIG. 6;

FIG. 9 is a schematic view of the rack lock of FIG. 6;

FIG. 10 is another schematic view of FIG. 9;

FIG. 11 is a schematic view of the buffer stop of FIG. 6;

FIG. 12 is a schematic view in section A-A of FIG. 11;

FIG. 13 is a schematic cross-sectional view of the stop bullet sleeve of FIG. 12;

FIG. 14 is an enlarged schematic view of portion A of FIG. 12;

FIG. 15 is a schematic view of the stop spring collar of FIG. 12;

FIG. 16 is a schematic view of the connector of FIG. 6;

FIG. 17 is an exploded view of FIG. 16;

FIG. 18 is a schematic view of the structure of the buffer bracket of FIG. 6;

FIG. 19 is a bottom view of FIG. 18;

FIG. 20 is a perspective view of FIG. 18;

FIG. 21 is an enlarged schematic view of portion A of FIG. 18, mainly illustrating the connection structure of the elbow portion;

FIG. 22 is an exploded view of FIG. 18, with the bumper post and first connector omitted;

FIG. 23 is a schematic view of the alternative construction of FIG. 18, primarily illustrating a different three-way connector construction;

fig. 24 is an enlarged schematic view of a portion B of fig. 23.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The floor protection of the present utility model, as shown in fig. 1 to 24, includes a buffer column 200, a buffer bracket 300, and a buffer net 100.

Referring to fig. 1 to 10, the buffering net 100 of the present utility model adopts a secondary buffering net structure, which includes a main net frame assembly 110 and an auxiliary net frame assembly 120, the main net frame assembly 110 and the auxiliary net frame assembly 120, the main net frame assembly 110 is mounted on a buffering support 300, the buffering support 300 is mounted on a buffering column 200, the main net frame assembly 110 includes an outer frame 130 and a main buffering net 140, the outer frame 130 includes long side bars 131 and short cross bars 132, a limit hinge 150 is provided between the short cross bars 132, a net frame latch 134 is provided on the long side bars 131, and the auxiliary net frame assembly 120 is detachably provided in the outer frame 130 through the net frame latch 134 and is located below the main buffering net 140.

The long side rod 131 and the short cross rod 132 are connected through a three-way connecting piece 133. The three-way connector 133 connects the main rack assembly 110 with the buffer bracket 300 and the buffer column 200. The three-way connecting piece 133 can enable the protecting device to be assembled and installed in a plurality of manners in the installation process, so that the installation length of the whole protecting device between floors is prolonged, and meanwhile, the strength and the stability of the protecting device are further improved.

The three-way connection 133 includes a front three-way connection 133 and a rear three-way connection 133, the front three-way connection 133 connects the main net frame assembly 110 and the buffer bracket 300, and the rear three-way connection 133 connects the main net frame assembly 110, the buffer column 200 and the buffer bracket 300.

The shorting bar 132 includes a first shorting bar 136 and a second shorting bar 137, and the first shorting bar 136 and the second shorting bar 137 are hinged by a limit hinge 150. The spacing hinge 150 includes a first movable member 151 and a second movable member 152, the first movable member 151 includes a first mounting portion 153 and a first hinge portion 160, the second movable member 152 includes a second mounting portion 154 and a second hinge portion 170, the first mounting portion 153 is mounted within the first short rail 136, and the second mounting portion 154 is mounted within the second short rail 137.

Be equipped with first main pinhole 162, kidney slot 161 and spacing pinhole 163 on first hinge portion 160, second hinge portion 170 includes second main pinhole 172, second bolt hole 171, first hinge portion 160 and second hinge portion 170 lock through shape piece 155, second bolt hole 171 and kidney slot 161 pass through adjustable bolted connection (not shown in the figure), through adjusting the locking force between bolt adjustment second bolt hole 171 and the kidney slot 161, can make spacing hinge 150 have certain holding power, need certain gravity just can make spacing hinge bend on main rack assembly 110, and the scope of bending is in the scope that kidney slot 161 prescribes a limit in addition.

shape piece 155 runs through a leaf spring 156, and the slidable setting in leaf spring 156's both ends is in on the buffer bracket 300 provides precompression and the buffer force in the bending process for limit hinge 150, can lock the extension state after the leaf spring 156 is pressed voluntarily, just pulls limit hinge 150 and keeps bending state, and then can maintain the deformation state of whole buffer net, prevents falling object secondary and falls. The recovery may be automatic or manual afterwards.

A limiting rod (not shown in the drawing) is arranged in the middle of the limiting pin hole 163 and used for limiting the bending direction of the outer frame 130, and the limiting hinge 150 can only move downwards, so that the phenomenon that the limiting hinge is bent upwards due to the precompression of the lower leaf spring 156 is avoided, the protrusion of the middle part of the main net rack is avoided, and the stability and safety of the protecting device are improved.

The first buffer net structure comprises a main buffer net 140 and a net penetrating metal rod 141, wherein the main buffer net 140 is connected to the net penetrating metal rod 141 in a penetrating way, and the net penetrating metal rod 141 is connected to the metal net single buckle 135 and the metal net double-side buckles in a penetrating way. Under the condition that the buffer net is damaged, the buffer net is inconvenient to maintain in a high building, the through-net metal rod 141 can be directly detached, the whole buffer net is replaced, and the maintenance efficiency is improved. The wire rod 141 is composed of a plurality of rods.

The auxiliary net rack assembly 120 comprises an auxiliary supporting rod 122, an auxiliary buffering net 121 and a hanging steel wire rope 123, net buckles 124 are uniformly arranged on the auxiliary supporting rod 122 in an array mode, the auxiliary buffering net 121 is connected to the auxiliary supporting rod 122 through the net buckles 124, a secondary buffering net rack hanging lug 138 is further arranged on a three-way connecting piece 133, and the auxiliary supporting rod 122 is connected to the secondary buffering net rack hanging lug 138 through the hanging steel wire rope 123.

The auxiliary support rod 122 is arranged in the grid lock 134, the grid lock 134 is arranged on the long side rod 131, the grid lock 134 comprises a first lock part 191 and a second lock part 192, the first lock part 191 and the second lock part are arranged on the long side rod 131, the auxiliary support rod 122 is arranged in the second lock part 192, and a narrow side clamping groove 193 is arranged in the second lock part 192 to limit the auxiliary support rod 122 in the second lock part 192. When not in use, the auxiliary buffer net 121 assembly is arranged in the main buffer net 140 assembly, a certain supporting force is provided for the main buffer net 140, the net surface of the main buffer net 140 is kept flat and is not deformed, and when the net surface is impacted, the auxiliary support rods 122 can be timely interlocked and separated from the net rack lock catches 134 to be unfolded into the auxiliary net rack assembly 120, so that the buffer effect is further improved.

The main net rack assembly 110 further comprises an escape device 180 and a endurance plate 142, the escape device 180 and the endurance plate 142 are arranged on the main buffer net 140, the three-way connecting piece 133 is further provided with a net surface limiting piece 139, the main buffer net 140 is limited on the net surface limiting piece 139, the net rack lock catch 134, the metal net single buckle 135 and the net penetrating metal rod 141, the endurance plate 142 is fixedly covered on the main net rack, the main net rack assembly has good flexibility and light transmittance, has the characteristics of ageing resistance, corrosion resistance, fire resistance and flame retardance, can be in an outdoor working environment for a long time, is very suitable for being used by a protective device of people falling, can be used for avoiding the people from being cut by a steel wire net, and can be used for shielding wind, rain, lighting and the like according to the requirements of the environment where the buffer device is located.

The escape device 180 comprises an escape opening 181 and an escape channel 182, the escape opening 181 is arranged on the main buffer net 140 near one side of the second short cross bar 137, an opening 125 is also arranged in the region of the auxiliary net rack assembly 120 corresponding to the escape opening 181, the escape channel 182 is connected below the escape opening 181, and the escape channel 182 can be a hollow cylindrical net cage structure made of flexible materials. Escape passage 182 is folded between main rack assembly 110 and sub-rack assembly 120 when not in use, and escape passage 182 can be lowered when in use, and personnel can slide down from escape passage 182. On tall buildings, typically, the guards are installed at every five floors apart, and the length of escape path 182 is such that the distance between the guards is matched to five floors below.

The main net rack assembly 110 is provided with a safety belt, the safety belt is connected to the long side rod 131, and in an emergency process, when a person falls onto the protection device, if a person is a high-level patient or is injured, the safety belt can be grasped or fastened to wait for rescue.

The working principle of the secondary buffer network structure of the utility model is as follows: install the outside wall at the high building, when personnel fall, at first, main rack subassembly 110 is pressed down the buffering deformation in-process, and auxiliary stay 122 drops from rack hasp 134, and auxiliary rack subassembly 120 is expanded completely, and main rack continues to warp to main horizontal pole and bends to on transferring the impact force to auxiliary rack. The primary rack assembly 110 buffers personnel a first time and the secondary rack assembly 120 buffers personnel a second time, greatly reducing impact forces within a limited vertical range. After buffering is completed, under the reaction force of the buffering column 200, the main net rack assembly 110 automatically restores to a semi-flat state to complete rescue, and then the leaf spring is automatically or manually released until the limit hinge is reset, and the main net rack assembly 110 is reset to a flat standby state.

Referring to fig. 6-8 and 11-17, the buffer bullet-stopping column 200 of the present utility model includes a buffer structure 210 and a bullet-stopping structure 220, wherein the bullet-stopping structure 220 is located inside the buffer structure 210, the buffer structure 210 includes a buffer sleeve 213, the bullet-stopping structure 220 includes a bullet-stopping sleeve 226, and a first buffer spring 212 is disposed between the buffer sleeve 213 and the bullet-stopping sleeve 226.

The bottom plate of the buffer sleeve 213 is fixedly provided with a buffer 211, the buffer 211 is positioned in a bullet stopping sleeve 226, a bullet stopping rod 221 is slidably arranged in the bullet stopping sleeve 226, a plurality of nuts 224 are uniformly arranged around the bullet stopping rod 221, and bullet stopping clamping rings 223 are arranged between the nuts 224.

A main force arm 222 is arranged above the bullet stopping rod 221, the first buffer spring 212 is positioned between the main force arm 222 and the bottom plate of the buffer sleeve 213, and a core end clamping block 225 is arranged below the bullet stopping rod 221.

The inner wall of the bullet stopping sleeve 226 is uniformly provided with the arc-shaped convex rings 227 in an array mode, the arc-shaped convex rings 227 are arranged on the inner wall of the bullet stopping sleeve 226 in a circle, and certain resistance can be applied to the bullet stopping clamping rings 223 in the contact process with the arc-shaped convex rings 227, so that the buffer columns 214 can not pop up suddenly in the recovery process, but pop up in a one-section and one-section mode, and the stability of the buffer columns 214 in the recovery process is guaranteed.

The buffer 211 comprises a buffer column 214 and a second buffer sleeve 216, a boss is arranged at the top of the buffer column 214, a groove matched with the boss is arranged in the core end clamping block 225, and a second buffer spring 215 is arranged between the boss and the second buffer sleeve 216.

The bullet-proof snap ring 223 is an unsealed circular ring, and a plurality of arc-shaped notch grooves 2231 are uniformly arrayed on the bullet-proof snap ring 223. The more arc-shaped notch grooves 2231 are, the easier the bullet-proof snap ring 223 is extruded by the arc-shaped convex ring 227 to deform, the larger resistance can not be formed in the descending process, and the layer-by-layer buffering effect can be formed.

The arcuate collar 227 includes a first ramp 228 and a second ramp 229, the first ramp 228 having a slope that is less than the slope of the second ramp 229, and the first ramp 228 having a slope that is longer than the slope of the second ramp 229.

The arc convex ring 227 and the bullet stopping snap ring 223 are combined to form a structure which is easy to enter and difficult to exit, when the bullet stopping rod 221 descends, namely, the bullet stopping snap ring 223 enters the arc convex ring 227, the bullet stopping snap ring is easy to deform when contacting with the first slope 228, the deformation force is small, and when the bullet stopping rod 221 ascends, namely, the bullet stopping snap ring 223 exits the arc convex ring 227, the bullet stopping snap ring 223 contacts with the second slope 229, the deformation force is large, and the resistance is large. The spring stopping rod 221 is effectively prevented from being suddenly sprung up, and a certain layer-by-layer buffering effect is achieved in the entering process, so that the buffering effect of the structure is further improved. The structure design is ingenious, and the device can be used for a long time in an outdoor environment after repeated tests.

The working principle of the buffering bullet-stopping column of the utility model is as follows: when a person falls on the buffer net 100, the three-way connecting piece 133 drives the main force arm 222 to descend, the main force arm 222 drives the sliding column 234 to descend, and in the descending process, the bullet stopping rod 221 below the main force arm 222 contacts with the buffer 211 to buffer the impact force. After buffering is finished, the bullet stopping rod 221 is gradually restored under the action of the first buffer spring 212, and the arc-shaped convex ring 227 is in contact with the bullet stopping snap ring 223, so that the bullet stopping rod 221 ascends step by step, the rebound phenomenon is avoided, and the safety of falling personnel is ensured.

Referring to fig. 6 to 7 and 18 to 24, the buffer bracket 300 of the guard of the present utility model includes a first buffer rod 321, a second buffer rod 322, and a third buffer rod 323, the first buffer rod 321 and the second buffer rod 322 are mounted on the buffer post 200 through a first connection member 230, the buffer post 200 is fixed on the first base plate 310, one end of the third buffer rod 323 is hinged on the first base plate 310, and the other end is hinged on the second buffer rod 322.

The tee joint connector 133 is arranged above the first connector 230 and the second buffer rod 322, the long side rod 131 and the short cross rod 131 are respectively arranged at two ends of the tee joint connector 133, a buffer area is formed by the long side rod 131 and the short cross rod 132, and the buffer area is internally provided with the buffer net 100.

The buffer bracket 300 further includes a fourth buffer rod 324, one end of the fourth buffer rod 324 is hinged to the first connector 230, and the other end is slidably disposed on the third buffer rod 323. Further improving the stability and cushioning effect of the cushioning bracket 300.

A leaf spring 156 is arranged between the short cross rod 132 and the first buffer rod 321, two ends of the leaf spring 156 are respectively arranged on the first sliding sleeve and the second sliding sleeve, the first sliding sleeve 3211 and the second sliding sleeve are slidably arranged on the first buffer rod 321, and -shaped pieces 155 and -shaped pieces 155 of the leaf spring 156 lock the first movable piece 151 and the second movable piece 152.

The first buffer rod 321 is connected with the three-way connecting piece 133 through a bent head portion 325, and the bent head portion 325 is installed with the first buffer rod 321 and the three-way connecting piece 133 through a waist-shaped installation hole 3251. While reducing the mounting accuracy, the lateral displacement of the short cross bar 132 can be allowed to be shortened by a certain distance, ensuring the stability of the buffer bracket 300.

The first connecting member 230 includes an arc-shaped mounting plate 231, a side mounting plate 232, a sliding column 234 and a bottom mounting plate 233, the side mounting plate 232, the arc-shaped mounting plate 231 and the bottom mounting plate 233 are all mounted on the buffer sleeve through bolts, the sliding column 234 is slidably disposed between the side mounting plates 232 through a third pin shaft, the sliding column 234 is provided with a three-way connecting member 133, a first fixed end 236, a second fixed end 237 and a first hinge end 238, and the buffer bracket 300 is mounted on the first connecting member 230 through the first fixed end 236, the second fixed end 237 and the first hinge end 238.

The first buffer rod 321 and the second buffer rod 322 are respectively connected to the first fixed end 236 and the second fixed end 237, one end of the fourth buffer rod 324 is hinged to the third pin shaft, and the other end of the fourth buffer rod 324 is slidably arranged on the third buffer rod 323.

Referring to fig. 23 and 24, the floor protection device of the present utility model is applied to a high building, and different intervals are set according to the heights of different floors, and only the floor protection device is installed between a first floor and a second floor below the floor 7; more than 7 floors, each 5 floors is provided with a plurality of floor protection devices, each floor is connected with each other through a three-way connecting piece, and long side rods 131 of the floor protection devices connected in series are hinged on the three-way connecting piece 133 through a second connection 1311.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (8)

1. A floor protection device, comprising:

the buffer column is arranged on the first bottom plate and used for buffering the impact force of the falling object;

the buffer bracket is arranged on the buffer column and the first bottom plate and is used for generating deformation to bear impact force, and comprises a long side rod and a short cross rod which form a buffer area;

and the buffer net is positioned in the buffer area, connected to the buffer bracket through a steel wire rope and used for buffering the impact force of falling objects.

2. The floor protection device according to claim 1, wherein the buffer net adopts a secondary buffer net structure, the secondary buffer net structure comprises a main net frame assembly and an auxiliary net frame assembly, the main net frame assembly comprises an outer frame and a main buffer net, the outer frame comprises a long side rod and a short cross rod, the short cross rod comprises a first short cross rod and a second short cross rod, the first short cross rod and the second short cross rod are hinged through a limiting hinge, a net frame lock catch is arranged on the long side rod, the auxiliary net frame assembly is located below the main buffer net and used for supporting the main buffer net, and the main net frame is arranged in the outer frame in a falling mode through the net frame lock catch.

3. The floor protection of claim 2, wherein the limit hinge comprises a first movable member mounted within the first short rail and a second movable member mounted within the second short rail.

4. The floor protection device of claim 3, wherein the first movable member is provided with a first main pin hole, a kidney-shaped groove and a limit pin hole, the second movable member comprises a second main pin hole and a second bolt hole, the first main pin hole and the second main pin hole are locked by a -shaped member, and the second bolt hole and the kidney-shaped groove are connected by a bolt.

5. The floor protection device of claim 1, wherein the buffer post is a buffer bullet-stopping post, the buffer bullet-stopping post comprises a buffer structure and a bullet-stopping structure, the bullet-stopping structure is positioned in the buffer structure, the buffer structure comprises a buffer sleeve, the bullet-stopping structure comprises a bullet-stopping sleeve, and a first buffer spring is arranged between the buffer sleeve and the bullet-stopping sleeve;

the buffer structure further comprises a buffer, the buffer is arranged on the bottom plate of the buffer sleeve and is positioned in the bullet stopping sleeve, a bullet stopping rod is slidably arranged in the bullet stopping sleeve, a plurality of nuts are uniformly arranged around the bullet stopping rod, bullet stopping snap rings are arranged between the nuts, arc-shaped convex rings are uniformly arranged on the inner wall of the bullet stopping sleeve in an array mode, the bullet stopping snap rings are non-closed circular rings, and a plurality of arc-shaped notch grooves are uniformly arranged on the bullet stopping snap rings in an array mode.

6. The floor protection of claim 5, wherein the arcuate collar comprises a first ramp and a second ramp, the first ramp having a slope less than a slope of the second ramp and the first ramp having a slope greater than a slope of the second ramp.

7. The floor protection of claim 1, wherein the buffer support comprises a first buffer rod, a second buffer rod, and a third buffer rod, the first buffer rod and the second buffer rod are mounted on a buffer post through a first connecting piece, the buffer post is fixed on a first bottom plate, one end of the third buffer rod is hinged on the first bottom plate, the other end is hinged on the second buffer rod,

the upper parts of the first connecting piece and the second buffer rod are respectively provided with a tee connecting piece, both ends of each tee connecting piece are respectively provided with a long side rod and a short cross rod, an area is formed by the long side rods and the short cross rods, and the buffer net is arranged in the area.

8. The floor protection of claim 7, wherein the long side bar is hinged to the tee connector by a second connector.

Images