CN219864419U - Building engineering safety management isolation fence - Google Patents

Abstract

The utility model discloses a building engineering safety management isolation fence, which comprises: the fence body, its both sides respectively are equipped with along the first installation passageway of direction of height extension and intercommunication bottom, and the lower extreme of first installation passageway respectively is equipped with a set of lift locking mechanical system, connects universal wheel, the crank actuating mechanism in lift locking mechanical system bottom. The crank driving mechanism is respectively connected with the two groups of lifting locking mechanisms, so that the crank driving mechanism is used for rotating under the action of external force to drive the two groups of lifting locking mechanisms to lift in the first installation channel, so that the universal wheel is retracted in the first installation channel, and then the fence body is fixedly supported on the ground through the bottom end of the universal wheel, or the universal wheel extends out of the first installation channel, and then the fence body is supported on the ground through the rolling of the universal wheel. The isolation fence can be stably supported on the ground through the fence body or can be supported on the ground through the universal wheels in a rolling way, so that the problem that the conventional isolation fence is inconvenient to switch between a fixed state and a moving state is solved.

Description

Building engineering safety management isolation fence

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a safety management isolation fence for constructional engineering.

Background

The requirements for safe construction are more and more strict during engineering construction, and in order to prevent safety accidents caused by non-staff entering a construction site, the construction site should be effectively isolated, so that more and more isolation fences are applied to constructional engineering.

For example, chinese patent publication No. CN217106461U discloses a building engineering safety management isolation fence: the pedal is provided with a second long hole, the inner walls of the front side and the rear side of the second long hole are provided with positioning grooves, the bottom end of the movable plate is fixedly connected with a positioning block matched with the positioning grooves, one end of the second spring is fixedly connected with the movable plate, the other end of the second spring is fixedly connected with the inner wall of the first long hole, and the pedal can be fixed by matching the positioning block with the positioning grooves.

The following problems exist in the prior art:

the prior building engineering safety management isolation fence comprises two isolation fences, namely a wheel with the isolation fence and a wheel without the isolation fence, wherein the isolation fence is in sliding risk due to the lack of the wheel with the isolation fence, and the isolation fence without the wheel is inconvenient to move. Therefore, a device with two forms convenient for switching is lacking; on the other hand, the prior construction engineering safety management isolation fence has simple framework, so that a welding structure is basically adopted, and the disassembly or the installation is inconvenient.

Disclosure of Invention

The utility model provides a construction engineering safety management isolation fence, which aims to solve the technical problem that the existing isolation fence is inconvenient to switch between a fixed state and a moving state.

The technical scheme adopted by the utility model is as follows:

a construction engineering safety management isolation fence, comprising: the fence comprises a fence body arranged in a grid structure, wherein first installation channels which extend along the height direction of the fence body and are communicated with the bottom ends are respectively arranged at the two sides of the fence body, a group of lifting locking mechanisms, universal wheels connected to the bottom ends of the corresponding lifting locking mechanisms, and a crank driving mechanism for driving the two groups of lifting locking mechanisms to synchronously act are respectively arranged at the lower ends of the two first installation channels; the crank driving mechanism is respectively connected with the two groups of lifting locking mechanisms, so that the crank driving mechanism is used for rotating under the action of external force to drive the two groups of lifting locking mechanisms to lift in the first installation channel, so that the universal wheel is retracted in the first installation channel which is correspondingly arranged, the fence body is further supported on the ground through the bottom end fixing of the fence body, or the universal wheel extends out of the first installation channel, and the fence body is further supported on the ground through the rolling of the universal wheel.

Further, the bottom end of the fence body is provided with a second transversely arranged mounting channel, and two ends of the second mounting channel are respectively communicated with the first mounting channels at two sides; the crank driving mechanism comprises a rotating rod arranged along the second installation channel, two threaded columns coaxially connected to two ends of the rotating rod, gear columns arranged on the outer circles of the threaded columns in a threaded manner, and a crank for bearing rotation; the two threaded columns are respectively arranged in the two first installation channels, and one threaded column extends out of the fence body and then is connected with the crank.

Further, the lift locking mechanism includes a lift post and a locking member; the lifting column is vertically arranged in the corresponding first mounting channel, is matched with and arranged on the outer circle of the corresponding gear column, the universal wheel is fixed at the bottom end of the lifting column, and the lifting column is used for lifting up and down along the first mounting channel under the rotation action of the crank driving mechanism; the locking member is connected to the rail body for locking after insertion into the elevating column of the corresponding side to fix the elevating column in the height direction.

Further, external meshing teeth are processed on the outer circle of the gear column; the side wall of the lifting column is provided with a mounting groove which penetrates through the wall surface and extends along the height direction, two groove surfaces opposite to the mounting groove are respectively provided with racks which extend along the height direction, and the racks are meshed with external meshing teeth on the outer circle of the gear column at the corresponding side for transmission; the side wall of the lower end of the lifting column is also provided with a first slot which is concavely arranged, and the first slot is used for vertically fixing the lifting column after the locking component is inserted.

Further, guide strips are respectively arranged on two sides of the lifting column along the movement direction, and extend along the movement direction; the two opposite side walls of the first installation channel are respectively provided with a guide groove which is matched with the guide strip, and the lifting column is arranged in the first installation channel in a sliding manner through the matching of the guide strip and the guide grooves.

Further, the locking member comprises two fixed blocks fixed on the outer side wall of the fence body and arranged at intervals relatively, a bottom plate hinged between the two fixed blocks through connecting bolts, and a first inserting block fixed on the inner side wall of the bottom plate; the first inserting block is used for being inserted into a first inserting groove of the lifting column at the corresponding side; the connecting bolt is used for locking and fixing the bottom plate inserted into the first slot through the first inserting block.

Further, the fence body comprises two support columns positioned at two sides, two first limit cylinders correspondingly arranged at the inner sides of the lower ends of the two support columns, a fence body arranged between the two support columns, and a locking bolt used for locking and fixing the fence body and the support columns; the support column is arranged in a hollow way, and the inner channel of the support column forms a first installation channel; two sides of the upper end of the fence body are respectively inserted into the two support columns, and two sides of the lower end of the fence body are respectively inserted into the two first limit cylinders; the locking bolt is arranged on the first limiting cylinder, and penetrates through the first limiting cylinder and the side edge of the lower end of the fence body to prop against the crank driving mechanism.

Further, the fence body comprises a first fixing strip and a second fixing strip which are arranged up and down oppositely and extend horizontally, a plurality of second limiting cylinders which are arranged at intervals in sequence along the transverse direction of the second fixing strip, and a plurality of railings which are arranged corresponding to the second limiting cylinders one by one; the two ends of the first fixing strip are respectively inserted into the supporting columns at the two sides, the two ends of the second fixing strip are respectively inserted into the first limiting cylinders at the two sides and are fixed with the corresponding first limiting cylinders through locking bolts, the second fixing strip is arranged in a hollow way, and the inner channel of the second fixing strip forms a second installation channel; the railing passes through the first fixing strip and then is inserted into the second limiting cylinder corresponding to the lower part.

Further, the first fixing strip is arranged in a hollow mode, and the inner channel of the first fixing strip forms a third installation channel; the fence body further comprises a pressing locking mechanism arranged corresponding to each railing, and the pressing locking mechanism is arranged in the third installation channel and used for locking the railings in the first fixing strip or unlocking the locked railings after pressing.

Further, the pressing and locking mechanism comprises two fixed columns arranged in parallel at intervals, springs axially arranged on the outer circles of the fixed columns, a push plate simultaneously penetrating through the two fixed columns, a pressing key fixed on the outer side surface of the push plate, a connecting frame fixed on the inner side surface of the push plate and a second inserting block fixed on the connecting frame; two ends of the fixed column are fixedly connected with two side walls of the third mounting channel in the width direction; the two ends of the spring respectively prop against the side wall and the push plate in the width direction of the third installation channel; the pressing key passes through the first fixing strip and is exposed; the railing is provided with a concave second slot corresponding to the second insert block, and the second insert block is inserted into the corresponding second slot under the action of the spring.

The utility model has the following beneficial effects:

when the building engineering safety management isolation fence works, the universal wheels are retracted into the first installation channel of the fence body, so that the isolation fence is stably supported on the ground through the bottom end of the fence body, and effective isolation of a construction site is realized; or, through rocking the crank actuating mechanism, make its drive lift locking mechanical system slide in first installation passageway, and then make the universal wheel stretch out by the bottom of rail body to roll and support in subaerial, realize keeping apart the light removal of rail, solve current isolation rail inconvenient fixed state and the technical problem who carries out the moving state switch.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of a front view of a construction safety management isolation fence according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of the first fixing strip in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the support column of FIG. 1;

fig. 4 is a schematic view of the spatial structure of the lifting column in fig. 1.

Description of the drawings

1. A fence body; 11. a support column; 111. a first mounting channel; 112. a guide groove; 12. a first limiting cylinder; 13. a locking bolt; 20. a fence body; 21. a first fixing strip; 211. a third mounting channel; 22. a second fixing strip; 221. a second mounting channel; 23. the second limiting cylinder; 24. railing; 241. a second slot; 30. pressing the locking mechanism; 31. fixing the column; 32. a spring; 33. a push plate; 34. pressing a key; 35. a connection frame; 36. a second insert block; 5. a lifting locking mechanism; 50. lifting columns; 501. a mounting groove; 502. a rack; 503. a first slot; 504. a guide bar; 60. a locking member; 61. a fixed block; 62. a connecting bolt; 63. a bottom plate; 64. a first plug; 7. a universal wheel; 8. a crank drive mechanism; 81. a rotating lever; 82. a threaded column; 83. a gear post; 84. and (5) a crank.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

Referring to fig. 1, a preferred embodiment of the present utility model provides a construction engineering safety management fence comprising: the fence body 1 that grid structure set up, the both sides of fence body 1 respectively are equipped with along its direction of height extension and the first installation passageway 111 of intercommunication bottom, and the lower extreme of two first installation passageways 111 respectively is equipped with a set of lift locking mechanism 5, connects the universal wheel 7 in the lift locking mechanism 5 bottom that corresponds, is used for driving the crank actuating mechanism 8 of two sets of lift locking mechanism 5 synchronous action. The crank driving mechanism 8 is respectively connected with the two groups of lifting locking mechanisms 5, so that the two groups of lifting locking mechanisms 5 are driven to lift in the first mounting channels 111 by rotating under the action of external force, the universal wheels 7 are retracted in the first mounting channels 111 correspondingly arranged, the fence body 1 is fixedly supported on the ground through the bottom ends of the universal wheels, or the universal wheels 7 extend out of the first mounting channels 111, and the fence body 1 is supported on the ground through the rolling of the universal wheels 7.

When the construction engineering safety management isolation fence works, the universal wheels 7 are retracted into the first installation channel 111 of the fence body 1, so that the isolation fence is stably supported on the ground through the bottom end of the fence body 1, and effective isolation of a construction site is realized; or, through rocking crank actuating mechanism 8, make its drive lift locking mechanical system 5 slide in first installation passageway 111, and then make universal wheel 7 stretch out by the bottom of rail body 1 to roll and support subaerial, realize keeping apart the light removal of rail, solve the inconvenient technical problem who carries out fixed state and moving state switching of current isolation rail.

Alternatively, as shown in fig. 1 and 3, the bottom end of the fence body 1 is provided with a second installation channel 221 which is transversely arranged, and two ends of the second installation channel 221 are respectively communicated with the first installation channels 111 on two sides. The crank driving mechanism 8 comprises a rotating rod 81 arranged along the second mounting channel 221, two threaded columns 82 coaxially connected to two ends of the rotating rod 81, gear columns 83 arranged on the outer circles of the threaded columns 82 in a threaded manner, and a crank 84 for bearing rotation. The two threaded posts 82 are separately disposed in the two first mounting channels 111, and one of the threaded posts 82 extends out of the fence body 1 and is connected to the crank 84. During operation, the crank 84 is rotated in a rocking mode, the crank 84 drives the connected threaded column 82 to rotate, the threaded column 82 of the other side is driven by the threaded column 82 through the connected rotating rod 81, the purpose that the crank 84 simultaneously drives two threaded columns 82 on two sides to rotate is achieved, when the two threaded columns 82 rotate, the gear columns 83 which are matched and installed are respectively driven to rotate, the gear columns 83 are connected with the lifting locking mechanisms 5 which are correspondingly installed in an external meshed mode, and accordingly when the gear columns 83 rotate, the connected lifting locking mechanisms 5 are driven to lift up and down in the first installation channel 111, and then lifting of the universal wheels 7 is achieved. In this alternative scheme, two sets of lift locking mechanism 5 drive in step through same group crank actuating mechanism 8, and the simplified structure sets up, reduces manufacturing cost, still makes two sets of lift locking mechanism 5 go up and down in step to improve the speed and the conversion precision of fixed state and mobile state conversion.

Alternatively, as shown in fig. 3 and 4, the lift lock mechanism 5 includes a lift post 50 and a lock member 60. The lifting column 50 is vertically arranged in the corresponding first mounting channel 111 and is matched with and arranged on the outer circle of the corresponding gear column 83, the universal wheel 7 is fixed at the bottom end of the lifting column 50, and the lifting column 50 is used for lifting up and down along the first mounting channel 111 under the rotation action of the crank driving mechanism 8. The locking member 60 is connected to the rail body 1 for locking after inserting the elevating post 50 of the corresponding side to fix the elevating post 50 in the height direction.

In this alternative, as shown in fig. 3 and 4, external teeth are formed on the outer circumference of the gear post 83. The side wall of the lifting column 50 is provided with a mounting groove 501 penetrating through the wall surface and extending along the height direction, and two groove surfaces opposite to the mounting groove 501 are respectively provided with a rack 502 extending along the height direction, and the racks 502 are meshed with external meshing teeth on the outer circle of the gear column 83 on the corresponding side for transmission. The side wall of the lower end of the lifting column 50 is also provided with a first slot 503 which is concavely arranged, and the first slot 503 is used for vertically fixing the lifting column 50 after the locking member 60 is inserted. In operation, when the gear post 83 rotates, the lifting post 50 is driven to lift up and down in the first mounting channel 111 by the engagement of external engagement teeth on the outer circle of the gear post 83 and the racks 502 in the mounting groove 501. The lifting column 50 is simple in structure and arrangement, and simple in connection driving mode, and can effectively reduce preparation cost and manufacturing difficulty.

Preferably, as shown in fig. 3 and 4, the elevating column 50 is further provided with guide bars 504 at both sides thereof in the moving direction, and the guide bars 504 extend in the moving direction thereof. The two opposite side walls of the first installation channel 111 are also respectively provided with a guide groove 112 which is matched with the guide strip 504, and the lifting column 50 is arranged in the first installation channel 111 in a sliding manner through the matching of the guide strip 504 and the guide groove 112. By matching the guide strips 504 with the guide grooves 112 correspondingly arranged, the lifting sliding of the lifting column 50 is guided, and the sliding precision and stability of the lifting column 50 are improved.

In this alternative, as shown in fig. 3, the locking member 60 includes two fixing blocks 61 fixed to the outer side wall of the fence body 1 and disposed at opposite intervals, a bottom plate 63 hinged between the two fixing blocks 61 by a connecting bolt 62, and a first insert block 64 fixed to the inner side wall of the bottom plate 63. The first insertion block 64 is inserted into the first insertion groove 503 of the lifting column 50 of the corresponding side. The connection bolt 62 is used to lock and fix the bottom plate 63 inserted into the first slot 503 through the first insertion block 64. When the lifting column 50 is lowered to a proper position during operation, the first inserting block 64 on the bottom plate 63 is inserted into the first inserting groove 503 of the lifting column 50, then the crank 84 is rotated in the opposite direction to slide the lifting column 50 upwards, then the top of the bottom plate 63 is driven to be inserted into the first mounting channel 111, the bottom plate 63 is locked and fixed by the connecting bolt 62, the bottom plate 63 limits the lifting column 50, and then the universal wheel 7 is stably supported on the ground.

Optionally, as shown in fig. 1, the fence body 1 includes two support columns 11 located at two sides, two first limiting cylinders 12 correspondingly disposed at inner sides of lower ends of the two support columns 11, a fence body 20 disposed between the two support columns 11, and a locking bolt 13 for locking and fixing the fence body 20 and the support columns 11. The support column 11 is provided hollow, and the inner passage thereof forms a first installation passage 111. Two sides of the upper end of the fence body 20 are respectively inserted into the two support columns 11, and two sides of the lower end of the fence body 20 are respectively inserted into the two first limiting cylinders 12. The locking bolt 13 is arranged on the first limiting cylinder 12, and penetrates through the first limiting cylinder 12 and the side edge of the lower end of the fence body 20 to abut against the crank driving mechanism 8. In operation, as shown in fig. 3, the locking bolt 13 is inserted into the first limiting cylinder 12 and the side edge of the lower end of the fence body 20 and then abuts against the rotating rod 81, so that the rotating rod 81 can be effectively prevented from rotating while the fence body 20 is fixed with the supporting column 11, the locking stability of the lifting column 50 is improved, and the stress looseness of the lifting column 50 is effectively prevented.

In this alternative, as shown in fig. 1, the fence body 20 includes a first fixing strip 21 and a second fixing strip 22 that are disposed opposite to each other up and down and extend horizontally, a plurality of second limiting cylinders 23 that are disposed at intervals in sequence along the transverse direction of the second fixing strip 22, and a plurality of rails 24 that are disposed corresponding to the plurality of second limiting cylinders 23 one by one. The two ends of the first fixing strip 21 are respectively inserted into the supporting columns 11 at the two sides, the two ends of the second fixing strip 22 are respectively inserted into the first limiting cylinders 12 at the two sides and are fixed with the corresponding first limiting cylinders 12 through the locking bolts 13, the second fixing strip 22 is arranged in a hollow mode, and the inner channel of the second fixing strip 22 forms a second installation channel 221. The railing 24 passes through the first fixing strip 21 and then is inserted into the corresponding second limiting cylinder 23 below. During installation, through inserting the both ends of second fixed strip 22 respectively in the first spacing section of thick bamboo 12 of support column 11, rethread locking bolt 13 carries out locking fixed to second fixed strip 22, then when second fixed strip 22 inserts first spacing section of thick bamboo 12, the both ends of first fixed strip 21 also insert respectively in the support column 11 of both sides, thereby also make first fixed strip 21 obtain spacingly when carrying out the screw thread fixation through locking bolt 13, finally through inserting the opening at railing 24 from first fixed strip 21 top in corresponding second spacing section of thick bamboo 23 carry out spacingly, thereby accomplish the detachable installation of fence body 20, solve the inconvenient technical problem who dismantles or install of current isolation rail.

Further, as shown in fig. 1 and 2, the first fixing bar 21 is provided hollow, and the inner passage thereof forms a third installation passage 211. The fence body 20 further includes a pressing locking mechanism 30 provided corresponding to each rail 24, the pressing locking mechanism 30 being provided in the third mounting passage 211 for locking the rail 24 in the first fixing bar 21 or unlocking the locked rail 24 after pressing.

In this further scheme, as shown in fig. 2, the pressing and locking mechanism 30 includes two fixing columns 31 arranged in parallel at intervals, a spring 32 axially arranged on the outer circle of each fixing column 31, a push plate 33 simultaneously penetrating through the two fixing columns 31, a pressing key 34 fixed on the outer side surface of the push plate 33, a connecting frame 35 fixed on the inner side surface of the push plate 33, and a second insert 36 fixed on the connecting frame 35. Both ends of the fixing column 31 are fixedly connected to both sidewalls of the third mounting channel 211 in the width direction. Both ends of the spring 32 are respectively abutted against the side wall in the width direction of the third mounting passage 211 and the push plate 33. The pressing key 34 is exposed through the first fixing bar 21. The railing 24 is provided with a concave second slot 241 corresponding to the second insert block 36, and the second insert block 36 is inserted into the corresponding second slot 241 under the action of the spring 32. When the rail 24 is installed, the spring 32 on the fixing column 31 is used for extruding the push plate 33, so that the push plate 33 pushes the second inserting block 36 to be inserted into the second inserting groove 241 of the rail 24, and the rail 24 is fixed; the push plate 33 is pushed by the push key 34 through pressing the push key 34, so that the spring 32 is pushed by the push plate 33, and the connecting frame 35 is driven by the push plate 33 to separate the second plug block 36 from the second slot 241, so that the rail 24 is convenient to install, and the technical problem that the existing isolation rail is inconvenient to detach or install is further solved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A construction engineering safety management isolation fence, comprising:

the fence comprises a fence body (1) which is arranged in a grid structure, wherein first installation channels (111) which extend along the height direction and are communicated with the bottom ends are respectively arranged on two sides of the fence body (1), a group of lifting locking mechanisms (5), universal wheels (7) connected to the bottom ends of the corresponding lifting locking mechanisms (5) and a crank driving mechanism (8) for driving the two groups of lifting locking mechanisms (5) to synchronously act are respectively arranged at the lower ends of the two first installation channels (111);

the crank driving mechanism (8) is respectively connected with the two groups of lifting locking mechanisms (5) and is used for rotating under the action of external force so as to drive the two groups of lifting locking mechanisms (5) to lift in the first mounting channel (111), so that the universal wheel (7) is retracted in the first mounting channel (111) which is correspondingly arranged, the fence body (1) is further supported on the ground through the bottom end fixing of the fence body, or the universal wheel (7) extends out of the first mounting channel (111), and the fence body (1) is further supported on the ground through the rolling of the universal wheel (7).

2. The construction safety management isolation fence of claim 1, wherein,

the bottom end of the fence body (1) is provided with a second installation channel (221) which is transversely arranged, and two ends of the second installation channel (221) are respectively communicated with the first installation channels (111) at two sides;

the crank driving mechanism (8) comprises a rotating rod (81) arranged along a second mounting channel (221), two threaded columns (82) coaxially connected with two ends of the rotating rod (81), gear columns (83) arranged on the outer circles of the threaded columns (82) in a threaded manner, and a crank (84) for bearing rotation;

the two threaded columns (82) are respectively arranged in the two first installation channels (111), and one threaded column (82) extends out of the fence body (1) and then is connected with the crank (84).

3. The construction safety management isolation fence of claim 2, wherein,

the lifting locking mechanism (5) comprises a lifting column (50) and a locking member (60);

the lifting columns (50) are vertically arranged in the corresponding first mounting channels (111) and are matched with and arranged on the outer circles of the corresponding gear columns (83), the universal wheels (7) are fixed at the bottom ends of the lifting columns (50), and the lifting columns (50) are used for lifting up and down along the first mounting channels (111) under the rotation action of the crank driving mechanism (8);

the locking member (60) is connected to the fence body (1) for locking after insertion of the lifting column (50) of the corresponding side to fix the lifting column (50) in the height direction.

4. The construction safety management isolation fence of claim 3,

an outer meshing tooth is processed on the outer circle of the gear column (83);

the side wall of the lifting column (50) is provided with a mounting groove (501) penetrating through the wall surface and extending along the height direction, two groove surfaces opposite to the mounting groove (501) are respectively provided with a rack (502) extending along the height direction, and the racks (502) are meshed with external meshing teeth on the outer circle of the gear column (83) at the corresponding side for transmission;

the side wall of the lower end of the lifting column (50) is also provided with a first slot (503) which is concavely arranged, and the first slot (503) is used for vertically fixing the lifting column (50) after the locking component (60) is inserted.

5. The construction safety management isolation fence of claim 4,

guide strips (504) are arranged on two sides of the lifting column (50) along the movement direction respectively, and the guide strips (504) extend along the movement direction;

the two opposite side walls of the first installation channel (111) are also respectively provided with a guide groove (112) which is matched with the guide strip (504), and the lifting column (50) is arranged in the first installation channel (111) in a sliding way through the matching of the guide strip (504) and the guide groove (112).

6. The construction safety management isolation fence of claim 4,

the locking component (60) comprises two fixed blocks (61) fixed on the outer side wall of the fence body (1) and arranged at intervals relatively, a bottom plate (63) hinged between the two fixed blocks (61) through a connecting bolt (62), and a first inserting block (64) fixed on the inner side wall of the bottom plate (63);

the first inserting block (64) is used for being inserted into a first inserting groove (503) of the lifting column (50) at the corresponding side;

the connecting bolt (62) is used for locking and fixing the bottom plate (63) inserted into the first slot (503) through the first inserting block (64).

7. The construction safety management isolation fence of claim 1, wherein,

the fence body (1) comprises two support columns (11) positioned at two sides, two first limit cylinders (12) correspondingly arranged at the inner sides of the lower ends of the two support columns (11), a fence body (20) arranged between the two support columns (11), and a locking bolt (13) used for locking and fixing the fence body (20) and the support columns (11);

the support column (11) is arranged in a hollow way, and a first installation channel (111) is formed in the inner channel of the support column;

two sides of the upper end of the fence body (20) are respectively inserted into the two support columns (11), and two sides of the lower end of the fence body (20) are respectively inserted into the two first limit cylinders (12);

the locking bolt (13) is arranged on the first limiting cylinder (12), and is penetrated through the first limiting cylinder (12) and the side edge of the lower end of the fence body (20) and then abuts against the crank driving mechanism (8).

8. The construction safety management isolation fence of claim 7,

the fence body (20) comprises a first fixing strip (21) and a second fixing strip (22) which are arranged oppositely up and down and extend horizontally, a plurality of second limiting cylinders (23) which are arranged at intervals in sequence along the transverse direction of the second fixing strip (22), and a plurality of railings (24) which are arranged one by one and correspond to the plurality of second limiting cylinders (23);

two ends of the first fixing strip (21) are respectively inserted into supporting columns (11) at two sides, two ends of the second fixing strip (22) are respectively inserted into first limiting cylinders (12) at two sides and are fixed with the corresponding first limiting cylinders (12) through locking bolts (13), the second fixing strip (22) is arranged in a hollow mode, and a second installation channel (221) is formed in the inner channel of the second fixing strip;

the railing (24) passes through the first fixing strip (21) and then is inserted into the second limiting cylinder (23) corresponding to the lower part.

9. The construction safety management isolation fence of claim 8, wherein,

the first fixing strip (21) is arranged in a hollow way, and a third installation channel (211) is formed in the inner channel of the first fixing strip;

the fence body (20) further comprises a pressing locking mechanism (30) arranged corresponding to each railing (24), and the pressing locking mechanism (30) is arranged in the third installation channel (211) and used for locking the railings (24) in the first fixing strip (21) or unlocking the locked railings (24) after pressing.

10. The construction safety management isolation fence of claim 9, wherein,

the pressing and locking mechanism (30) comprises two fixed columns (31) which are arranged in parallel at intervals, springs (32) which are axially arranged on the outer circles of the fixed columns (31), a push plate (33) which is simultaneously arranged on the two fixed columns (31) in a penetrating manner, a pressing key (34) which is fixed on the outer side surface of the push plate (33), a connecting frame (35) which is fixed on the inner side surface of the push plate (33) and a second inserting block (36) which is fixed on the connecting frame (35);

two ends of the fixed column (31) are fixedly connected with two side walls of the third installation channel (211) in the width direction;

both ends of the spring (32) respectively prop against the side wall and the push plate (33) in the width direction of the third mounting channel (211);

the pressing key (34) passes through the first fixing strip (21) and is exposed;

the railing (24) is provided with a second concave slot (241) corresponding to the second insertion block (36), and the second insertion block (36) is inserted into the corresponding second slot (241) under the action of the spring (32).