CN114809805B

CN114809805B - Portable building engineering is with keeping apart rail

Info

Publication number: CN114809805B
Application number: CN202210527503.9A
Authority: CN
Inventors: 于小斌
Original assignee: Individual
Current assignee: Shaanxi Datang Yuhong Construction Engineering Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2024-03-15
Anticipated expiration: 2042-05-16
Also published as: CN114809805A

Abstract

The invention relates to a fence, in particular to a portable isolation fence for constructional engineering. The invention provides a portable isolation fence for construction engineering, which can quickly transfer the fence, can increase the isolation range and improve the isolation effect. The invention provides a portable isolation fence for constructional engineering, which comprises a telescopic frame, fixing rods, handles, a moving mechanism, a reinforcing mechanism and the like, wherein the fixing rods are symmetrically connected on the left side and the right side of the telescopic frame, the handles are connected between the two symmetrical fixing rods, the bottoms of the fixing rods are provided with the moving mechanism for assisting the fence to move, and the reinforcing mechanism for increasing stability is arranged on the front side and the rear side of the moving mechanism. Can assist this rail to remove through the gyro wheel to can shift this rail fast, can increase isolation scope through the flexible of expansion bracket, improve the effect of isolation, also can be applicable to people simultaneously to the facilitate use of this rail.

Description

Portable building engineering is with keeping apart rail

Technical Field

The invention relates to a fence, in particular to a portable isolation fence for constructional engineering.

Background

In the construction site, various building materials are often put, some building materials can be stacked in higher floors, when non-constructors enter the construction site, certain dangers exist due to the fact that the condition of the construction site is unclear, people and vehicles need to be isolated by using the fence, the existing fence is generally composed of a steel frame structure, and the steel frame structure is inconvenient to transfer due to the fact that the size of the steel frame structure is large and the quality of the steel frame structure is heavy, and meanwhile the telescopic effect cannot be achieved.

For example, patent grant publication number is CN202022013570.8, the public notice day is 20200915's a construction engineering safety control isolation expansion bracket, including the expansion bracket pole, the equal fixedly connected with bracing piece in both ends about the expansion bracket pole, the lower extreme fixedly connected with fixture block of bracing piece, the bracing piece downside is equipped with the base, base upper end fixedly connected with fixed block, the upper end of fixed block is seted up flutedly, the fixture block is located inside the recess, the fixed block is kept away from the one end of expansion bracket pole and is offered the through-hole that is linked together with the recess, the inner wall fixedly connected with first fixed plate and the second fixed plate of through-hole, first fixed plate is located one side that the second fixed plate is close to the expansion bracket pole, the geometric center point of first fixed plate runs through there is the slider. Although the expansion bracket can achieve the effect of isolation, the expansion bracket cannot be expanded and contracted when in use, so that the isolation range is smaller, the limitation is provided, and the expansion bracket is not convenient to transfer.

According to the defects in the prior art, the portable isolation fence for the constructional engineering, which can overcome the defects in the prior art, can quickly transfer the fence, can increase the isolation range and improve the isolation effect, is designed.

Disclosure of Invention

The invention aims to overcome the defects that the fence in the prior art cannot be stretched and contracted when in use, so that the isolation range is smaller, limitation is provided, and the telescopic frame is inconvenient to transfer.

In order to solve the technical problems, the invention provides the portable isolation fence for the constructional engineering, which comprises a telescopic frame, fixing rods, handles, a moving mechanism and a reinforcing mechanism, wherein the fixing rods are symmetrically connected on the left side and the right side of the telescopic frame, the handles are connected between the two symmetrical fixing rods, the bottoms of the fixing rods are provided with the moving mechanism for assisting the fence to move, and the front side and the rear side of the moving mechanism are provided with the reinforcing mechanism for increasing stability.

Preferably, the moving mechanism comprises a mounting frame, guide rails, sliding rods, idler wheels, first springs, first fixed blocks, sliding frames and second springs, wherein the lower sides of the two fixed rods are symmetrically connected with the mounting frame, two guide rails are respectively connected to the inner tops of the two mounting frames and are arranged in a front-back symmetrical mode, sliding grooves are symmetrically formed in the front side and the rear side of the two mounting frames, sliding rods are arranged between the two symmetrical sliding grooves in a sliding mode, the sliding rods are matched with the two guide rails in the same side in a sliding mode, two first springs are connected between the sliding rods and the mounting frames in the same side, the first springs are wound on the outer sides of the guide rails, the two idler wheels are rotatably sleeved on the sliding rods, the two idler wheels are arranged in a front-back symmetrical mode, the inner rear walls of the two mounting frames are all connected with the first fixed blocks, the middle of each first fixed block penetrates through the sliding frame used for clamping the sliding rods, the sliding frames are in contact with the sliding rods, and the second springs are connected between the tops of the first fixed blocks and the upper sides of the sliding frames.

Preferably, the strengthening mechanism is including second fixed block, first bracing piece, the head rod, the second connecting rod, the fixed plate, the gag lever post, third spring and clamping lever, the lower part symmetry cover of two dead levers of symmetry is equipped with the second fixed block, the symmetry rotation formula is equipped with first bracing piece on the side that two second fixed blocks of symmetry are separated, the upside of two first bracing pieces of symmetry is mutual formula slope setting of keeping away from, open the downside of first bracing piece has vertical spout, all the front and back symmetry is connected with the fixed plate on the side that two installing frames kept away from each other, four fixed plate bottom plates all are connected with the gag lever post, the upper portion slip type cover of gag lever post is equipped with the second connecting rod, be connected with the third spring between second connecting rod and the fixed plate, the gag lever post outside at the third spring is around establishing, the upper portion of second connecting rod runs through has the head rod, the head rod runs through in adjacent vertical spout, the head rod is all around symmetry formula is equipped with the clamping lever post on the side that two installing frames kept away from each other, clamping lever post and installing frame rotation formula cooperation.

Preferably, the connecting mechanism for increasing the isolation range comprises a mounting block, a rotating block, buckles, a rotating shaft, a contact block, a torsion spring and a third connecting rod, wherein the top left-right symmetry of the two fixing rods on the same side is connected with the mounting block, the middle parts of the two mounting blocks are sleeved with the rotating block in a rotating mode, the front sides of the two rotating blocks are symmetrically connected with the buckles, the rotating shaft penetrates through the buckles, the contact block is sleeved in the middle of the rotating shaft, the two torsion springs are connected between the contact block and the buckles, the torsion spring is wound on the outer side of the rotating shaft, and the rear sides of the two rotating blocks are connected with the third connecting rod.

Preferably, the telescopic mechanism for enabling the telescopic frame to automatically stretch out and draw back is further arranged, the telescopic mechanism comprises an electric push rod, a first sliding block, a contact rod and a first connecting plate, the electric push rod is installed on the upper side of the right installation block, the first sliding block is sleeved on the right side of the electric push rod in a sliding mode, the contact rods are connected to the front side and the rear side of the first sliding block in a symmetrical mode, the first connecting plate is connected between the left sides of the two contact rods, and the first connecting plate is connected with the bottom of the left installation block.

Preferably, the dust settling device further comprises a dust settling mechanism for cleaning the telescopic frame, the dust settling mechanism comprises a second supporting rod, a guide rod, a water tank, a second sliding block, a hose, spray heads and a pressurizer, the top of the right mounting block is connected with the second supporting rod, the top of the left mounting block is connected with the water tank, the pressurizer is mounted on the front side of the water tank, the guide rod is arranged on the left side of the upper portion of the right second supporting rod, three second sliding blocks are arranged on the guide rod at equal intervals, the hose is communicated with the upper front side of the water tank, the hose penetrates between the front sides of the three second sliding blocks in a sliding mode, and three spray heads are uniformly communicated with the upper space of the hose.

Preferably, the warning mechanism for warning people is further arranged, the warning mechanism comprises mounting rods, second connecting plates and telescopic plates, the mounting rods are symmetrically arranged in the middle of the front side of the telescopic frame in a left-right mode, the second connecting plates are connected to the front sides of the two mounting rods, and the telescopic plates are connected between one sides, close to each other, of the two second connecting plates.

Preferably, the top surface of the first support bar is roughened.

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

1. can assist this rail to remove through the gyro wheel to can shift this rail fast, can increase isolation scope through the flexible of expansion bracket, improve the effect of isolation, also can be applicable to people simultaneously to the facilitate use of this rail.

2. The third connecting rod on another fence can be clamped through the buckle, so that the isolation range is further increased under the matched use of a plurality of fences.

3. The staff is through electric putter's drive to make the expansion bracket automatic expansion, make it automatic on manual basis, with this operation that can make things convenient for the staff.

4. After the rail is used for a long time, a worker starts the pressurizer to spray water onto the rail through the spray head, so that the rail can be cleaned, and the next use is convenient.

5. Through the expansion of expansion bracket to this makes the expansion plate automatic expansion, prints warning sign on the expansion plate, with this can warn people and need not be close to the expansion bracket, and then can make the staff maintain order better.

Drawings

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

Fig. 2 is a schematic perspective view of a first part of the present invention.

Fig. 3 is a schematic perspective view of a second part of the present invention.

Fig. 4 is a schematic view of a partial enlarged perspective structure at a of the present invention.

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

Fig. 6 is a schematic perspective view of the reinforcement mechanism of the present invention.

Fig. 7 is a schematic perspective view of the connecting mechanism of the present invention.

Fig. 8 is a partial perspective sectional view of the connecting mechanism of the present invention.

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

Fig. 10 is a schematic view of a part of a telescopic mechanism according to the present invention.

FIG. 11 is a schematic perspective view of a dust settling mechanism of the present invention.

Fig. 12 is a partially enlarged perspective view of the present invention at B.

Fig. 13 is a schematic perspective view of a warning mechanism according to the present invention.

The marks in the drawings are: 1-telescoping rack, 2-fixed rod, 3-handle, 4-moving mechanism, 41-mounting frame, 42-guide rail, 43-sliding rod, 44-roller, 45-first spring, 46-first fixed block, 47-sliding rack, 48-second spring, 5-reinforcing mechanism, 51-second fixed block, 52-first supporting rod, 53-first connecting rod, 54-second connecting rod, 55-fixed plate, 56-limit rod, 57-third spring, 58-clamping rod, 6-connecting mechanism, 61-mounting block, 62-rotating block, 63-buckle, 64-rotating shaft, 65-contact block, 66-torsion spring, 67-third connecting rod, 7-telescoping mechanism, 71-electric push rod, 72-first sliding block, 73-contact rod, 74-first connecting plate, 8-dust falling mechanism, 81-second supporting rod, 82-guide rod, 83-water tank, 84-second sliding block, 85-hose, 86-sprayer, 87-presser, 9-mechanism, 91-mounting rod, 92-second connecting plate, 93-telescoping plate.

Detailed Description

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

Example 1

The utility model provides a portable building engineering is with keeping apart rail, as shown in fig. 1 and fig. 2, including expansion bracket 1, dead lever 2, handle 3, moving mechanism 4 and strengthening mechanism 5, symmetrical bolt has dead lever 2 around the left and right sides of expansion bracket 1, the welding has handle 3 between two dead levers 2 of symmetry, and moving mechanism 4 that is used for assisting this rail to remove is installed to the bottom of dead lever 2, and both sides are provided with the strengthening mechanism 5 that is used for increasing stability around moving mechanism 4.

As shown in fig. 5, the moving mechanism 4 includes a mounting frame 41, a guide rail 42, a sliding rod 43, rollers 44, a first spring 45, a first fixed block 46, a sliding frame 47 and a second spring 48, wherein the lower sides of the two fixed rods 2 are symmetrically bolted with the mounting frame 41, the inner tops of the two mounting frames 41 are respectively connected with the two guide rails 42, the two guide rails 42 are symmetrically arranged front and back, sliding grooves are symmetrically arranged on the front and back sides of the two mounting frames 41, the sliding rod 43 is slidably matched with the two guide rails 42 on the same side, two first springs 45 are connected between the sliding rod 43 and the mounting frame 41 on the same side, the first springs 45 are wound on the outer sides of the guide rails 42, the two rollers 44 are rotatably sleeved on the sliding rod 43, the inner and back walls of the two mounting frames 41 are respectively welded with the first fixed block 46, the middle part of the first fixed block 46 penetrates through the sliding frame 47 for clamping the sliding rod 43, the sliding frame 47 is in contact with the sliding frame 47 on the second fixed block 46, and the sliding frame 47 is in contact with the outer sides of the sliding frame 48, and the sliding frame 47 is wound on the outer sides of the second fixed block 48.

As shown in fig. 3, 4 and 6, the reinforcing mechanism 5 includes a second fixing block 51, a first supporting rod 52, a first connecting rod 53, a second connecting rod 54, a fixing plate 55, a limiting rod 56, a third spring 57 and a clamping rod 58, the lower parts of the two symmetrical fixing rods 2 are symmetrically sleeved with the second fixing block 51, the first supporting rod 52 is symmetrically and rotatably arranged on one side of the two symmetrical second fixing blocks 51, which is separated from each other, and the top surface of the first supporting rod 52 is rough, so that the fence can be stabilized. The upside of two first bracing pieces 52 of symmetry is mutual keeping away from the slope setting, open the downside of first bracing piece 52 has vertical spout, the equal front and back symmetry welding has fixed plate 55 on the one side that two installing frames 41 kept away from each other, four fixed plate 55 bottom plates all are connected with gag lever post 56, the upper portion slip type cover of gag lever post 56 is equipped with second connecting rod 54, be connected with third spring 57 between second connecting rod 54 and the fixed plate 55, the gag lever post outside at around establishing by third spring 57, the upper portion of second connecting rod 54 has run through head rod 53, head rod 53 runs through in adjacent vertical spout, all the front and back symmetry is provided with draw-in lever 58 on the one side that two installing frames 41 kept away from each other, draw-in lever 58 and installing frame 41 rotation type cooperation.

Working principle: when a worker needs to isolate a building construction site by using the telescopic frame 1, the worker firstly moves the fence to the site needing to isolate through the roller 44, pulls the telescopic frame 1 to expand, so that isolation can be performed, the first spring 45 is in a stretching state, the worker drives the sliding frame 47 to move upwards, the second spring 48 stretches, the sliding frame 47 moves upwards to release the sliding rod 43, the first spring 45 is reset, the sliding rod 43 drives the roller 44 to move upwards along the guide rail 42 under the reset action of the first spring 45, the roller 44 is separated from the ground, the fence displacement can be avoided, the first clamping rod 58 clamps the second connecting rod 54, the third spring 57 is in a compressed state, the roller 44 pushes the clamping rod 58 to rotate while moving upwards, and the clamping rod 58 releases the second connecting rod 54, the third spring 57 is reset, the second connecting rod 54 drives the first connecting rod 53 to move downwards under the action of the reset of the third spring 57, the first connecting rod 53 pulls the first supporting rod 52 to rotate by taking the second fixing block 51 as the center of a circle through the vertical sliding groove belt, the first supporting rods 52 on the front side and the rear side rotate along with the opposite directions, so that the upper side of the first supporting rod 52 is contacted with the ground, the telescopic frame 1 can be better fixed, the sliding frame 47 is released by a worker, the second spring 48 is reset, the sliding frame 47 moves downwards under the action of the reset of the second spring 48, when the worker does not need to use the device, the worker drives the first supporting rod 52 to rotate reversely by taking the second fixing block 51 as the axis, the first supporting rod 52 pulls the second connecting rod 54 to move upwards through the first connecting rod 53, the third spring 57 is compressed, the staff drives carriage 47 again and upwards moves, and second spring 48 stretches, and then the staff drives slide bar 43 through gyro wheel 44 and moves down along guide rail 42 and reset, and first spring 45 stretches, and the staff unclamps carriage 47 this moment, and second spring 48 resets, and carriage 47 can move down and block slide bar 43 again under the effect that second spring 48 resets to this can prepare the operation of fixed expansion bracket 1 next time, and gyro wheel 44 moves down and can contact with ground again, and the staff pulls expansion bracket 1 again and makes its packing up, so can be convenient for shift this rail.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 7 and 8, the device further comprises a connecting mechanism 6, the connecting mechanism 6 comprises a mounting block 61, a rotating block 62, a buckle 63, a rotating shaft 64, a contact block 65, a torsion spring 66 and a third connecting rod 67, the mounting block 61 is welded on the top of the two fixing rods 2 on the same side in a bilateral symmetry mode, the rotating block 62 is sleeved on the middle parts of the two mounting blocks 61 in a rotating mode, the buckle 63 is symmetrically bolted on the front sides of the two rotating blocks 62, the rotating shaft 64 penetrates through the buckle 63 in a rotating mode, the contact block 65 is sleeved on the middle part of the rotating shaft 64, two torsion springs 66 are connected between the contact block 65 and the buckle 63, the torsion spring 66 is wound on the outer side of the rotating shaft 64, and the third connecting rod 67 is bolted on the rear sides of the two rotating blocks 62.

The staff can cooperate the use through a plurality of rails, when the cooperation is used, the staff makes a plurality of rails arrange earlier, buckle 63 on the in-process of arranging makes the buckle 63 on another rail block the third connecting rod 67 on the buckle 63, contact block 65 joint initially is in deformation, torsion spring 66 is in, the staff stirs contact block 65, make contact block 65 break away from buckle 63, torsion spring 66 resets, contact block 65 can rotate under the effect that torsion spring 66 resets and block the third connecting rod 67 on another rail, thereby can make a plurality of rails link together, then the staff can adjust the position of a plurality of rails through rotating rotatory piece 62, and then the practicality of this rail has been increased, staff counter-rotating contact block 65, torsion spring 66 deformation, make contact block 65 joint back on buckle 63 again, contact block 65 rotation can loosen the third connecting rod 67 on another rail, thereby can make a plurality of continuous rails separate.

Example 3

On the basis of embodiment 2, as shown in fig. 1, 9 and 10, the telescopic mechanism 7 is further included, the telescopic mechanism 7 comprises an electric push rod 71, a first slider 72, a contact rod 73 and a first connecting plate 74, the electric push rod 71 is mounted on the upper side of the right mounting block 61 in a screw connection mode, the first slider 72 is sleeved on the right side of the electric push rod 71 in a sliding mode, the contact rods 73 are welded on the front side and the rear side of the first slider 72 in a symmetrical mode, the first connecting plate 74 is bolted between the left sides of the two contact rods 73, and the first connecting plate 74 is connected with the bottom of the left mounting block 61 in a screw connection mode.

The staff starts electric putter 71, electric putter 71 can drive contact bar 73 through first slider 72 and remove left, contact bar 73 can drive first connecting plate 74 and remove left, first connecting plate 74 can promote expansion bracket 1 and remove left, so can make expansion bracket 1 expand automatically, the staff closes electric putter 71 again, when needs make expansion bracket 1 pack up, the staff starts electric putter 71 again, make electric putter 71 drive first slider 72 remove right, first slider 72 can drive first connecting plate 74 through contact bar 73 and remove right and reset, first connecting plate 74 can pull expansion bracket 1 right, so can make automatic expansion bracket 1 of packing up.

Example 4

On the basis of embodiment 3, as shown in fig. 1, 11 and 12, the dust settling mechanism 8 is further comprised, the dust settling mechanism 8 comprises a second supporting rod 81, a guide rod 82, a water tank 83, a second sliding block 84, a hose 85, a spray head 86 and a pressurizer 87, the top of the right mounting block 61 is connected with the second supporting rod 81, the top of the left mounting block 61 is connected with the water tank 83, the pressurizer 87 is mounted on the front side of the water tank 83, the guide rod 82 is arranged on the left side of the upper part of the right second supporting rod 81, three second sliding blocks 84 are uniformly and slidingly arranged on the guide rod 82 at intervals, the hose 85 is slidingly penetrated between the front sides of the three second sliding blocks 84, and three spray heads 86 are uniformly and intermittently and continuously arranged on the hose 85.

Because of environmental reasons, this rail can be stained with the dust after long time, therefore need clean, first, the staff is first with water injection to the water tank 83 inside, the staff starts the pressurizer 87, pressurize the water tank 83 inside through the pressurizer 87, and then make the rivers in the water tank 83 to hose 85 inside, hose 85 inside water can be through shower nozzle 86 blowout, so can clean this rail, when expansion bracket 1 is expanded, the installation piece 61 can drive water tank 83 and remove left, water tank 83 can straighten hose 85, hose 85 can drive shower nozzle 86 and second slider 84 and remove left, second slider 84 can remove left on guide bar 82, so can make cleaning operation normally go on when expansion bracket 1 is expanded, after cleaning operation is accomplished, the staff closes pressurizer 87 again, shower nozzle 86 stops the water spray thereupon.

Example 5

On the basis of embodiment 4, as shown in fig. 1 and 13, the device further comprises a warning mechanism 9, the warning mechanism 9 comprises mounting rods 91, second connecting plates 92 and expansion plates 93, the mounting rods 91 are symmetrically arranged in the middle of the front side of the expansion bracket 1 in a left-right mode, the second connecting plates 92 are connected to the front sides of the two mounting rods 91, and the expansion plates 93 are connected between the sides, close to each other, of the two second connecting plates 92.

The expansion plate 93 of beginning is the state of packing up, when expansion bracket 1 expands, expansion bracket 1 can drive second connecting plate 92 through installation pole 91 and remove left, left second connecting plate 92 can keep away from right second connecting plate 92 gradually to this can make expansion plate 93 expand, the staff can print the warning sign indicating number on expansion plate 93, and then make people can see the warning on the expansion plate 93 directly perceivedly, when expansion bracket 1 packs up, expansion bracket 1 can drive the second connecting plate 92 of left and right sides respectively through installation pole 91 of left and right sides and remove right, left second connecting plate 92 can be close to right second connecting plate 92 gradually, in order to this can make expansion plate 93 pack up voluntarily.

The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a portable building engineering is with keeping apart rail, including expansion bracket (1), dead lever (2) and handle (3), the left and right sides of expansion bracket (1) all is connected with dead lever (2) around symmetry, is connected with handle (3) between two dead levers (2) of symmetry, characterized in that still including moving mechanism (4) and strengthening mechanism (5), moving mechanism (4) that are used for assisting this rail to remove are installed to the bottom of dead lever (2), and both sides are provided with strengthening mechanism (5) that are used for increasing stability around moving mechanism (4);

the moving mechanism (4) comprises a mounting frame (41), guide rails (42), sliding rods (43), rollers (44), first springs (45), first fixing blocks (46), sliding frames (47) and second springs (48), wherein the lower sides of the two fixing rods (2) are symmetrically connected with the mounting frame (41), the inner tops of the two mounting frames (41) are respectively connected with the two guide rails (42), the two guide rails (42) are symmetrically arranged front and back, sliding grooves are symmetrically formed in the front and back sides of the two mounting frames (41), sliding rods (43) are arranged between the two symmetrical sliding grooves in a sliding mode, the sliding rods (43) are in sliding fit with the two guide rails (42) on the same side, the sliding rods (43) are connected with the two first springs (45) on the same side, the first springs (45) are wound on the outer sides of the guide rails (42), the two rollers (44) are rotatably sleeved on the sliding rods (43), the inner walls of the two mounting frames (41) are symmetrically arranged front and back, the sliding rods (43) are connected with the first fixing blocks (46) on the same side, the sliding rods (43) are connected with the first fixing blocks (47) in a sliding mode, the sliding frames (47) are fixedly arranged on the middle of the sliding frames, a second spring (48) is connected between the top of the first fixed block (46) and the upper side of the sliding frame (47), and the second spring (48) is wound on the outer side of the sliding frame (47);

the reinforcing mechanism (5) comprises a second fixed block (51), a first supporting rod (52), a first connecting rod (53), a second connecting rod (54), a fixed plate (55), a limiting rod (56), a third spring (57) and a clamping rod (58), wherein the second fixed block (51) is symmetrically sleeved at the lower part of the two symmetrical fixed rods (2), the first supporting rod (52) is symmetrically and rotatably arranged on one side, away from each other, of the two symmetrical second fixed blocks (51), the upper sides of the two symmetrical first supporting rods (52) are obliquely arranged in a mutually far-away mode, vertical sliding grooves are formed in the lower side of the first supporting rod (52), the front side and the rear side of the two mounting frames (41) are symmetrically connected with the fixed plate (55), the bottom plates of the four fixed plates (55) are all connected with the limiting rod (56), the second connecting rod (54) is sleeved at the upper part of the limiting rod (56) in a sliding mode, the third spring (57) is connected between the second connecting rod (54) and the fixed plate (55), the third side spring (57) is wound around the limiting rod (56) and is arranged on the outer side of the limiting rod (56), the two adjacent connecting rods (54) are arranged on the front side of the two connecting rods (41) in a mutually far-away mode, the front side of the two connecting rods (41) are mutually far-away from each other symmetrically arranged on the front side of the connecting rod (53), the clamping rod (58) is in rotary fit with the mounting frame (41);

the connecting mechanism (6) for increasing the isolation range is further arranged, the connecting mechanism (6) comprises mounting blocks (61), rotating blocks (62), buckles (63), rotating shafts (64), contact blocks (65), torsion springs (66) and third connecting rods (67), the mounting blocks (61) are connected to the tops of the two fixing rods (2) on the same side in a bilateral symmetry mode, the rotating blocks (62) are sleeved on the middle portions of the two mounting blocks (61) in a rotating mode, buckles (63) are symmetrically connected to the front sides of the two rotating blocks (62), rotating shafts (64) are arranged on the buckles (63) in a rotating mode in a penetrating mode, the middle portions of the rotating shafts (64) are sleeved with the contact blocks (65), two torsion springs (66) are connected between the contact blocks (65) and the buckles (63), the torsion springs (66) are wound on the outer sides of the rotating shafts (64), and the rear sides of the two rotating blocks (62) are connected with the third connecting rods (67).

2. The portable isolation fence for constructional engineering according to claim 1, further comprising a telescopic mechanism (7) for enabling the telescopic frame (1) to automatically telescopic, wherein the telescopic mechanism (7) comprises an electric push rod (71), a first sliding block (72), a contact rod (73) and a first connecting plate (74), the electric push rod (71) is installed on the upper side of the right installation block (61), the first sliding block (72) is sleeved on the right side of the electric push rod (71), the contact rod (73) is connected to the front side and the rear side of the first sliding block (72), the first connecting plate (74) is connected between the left sides of the two contact rods (73), and the first connecting plate (74) is connected with the bottom of the left installation block (61).

3. The portable isolation fence for constructional engineering according to claim 2, further comprising a dust settling mechanism (8) for cleaning the telescopic frame (1), wherein the dust settling mechanism (8) comprises a second supporting rod (81), a guide rod (82), a water tank (83), a second sliding block (84), a hose (85), a spray head (86) and a pressurizer (87), the top of the right mounting block (61) is connected with the second supporting rod (81), the top of the left mounting block (61) is connected with the water tank (83), the pressurizer (87) is mounted on the front side of the water tank (83), the guide rod (82) is provided with three second sliding blocks (84) uniformly and alternately, the upper front side of the water tank (83) is communicated with the hose (85), the hose (85) is slidably penetrated between the front sides of the three second sliding blocks (84), and the upper side of the hose (85) is uniformly communicated with the three spray heads (86).

4. The portable isolation fence for constructional engineering according to claim 3, further comprising a warning mechanism (9) for warning people, wherein the warning mechanism (9) comprises a mounting rod (91), a second connecting plate (92) and a telescopic plate (93), the mounting rod (91) is symmetrically arranged in the middle of the front side of the telescopic frame (1), the second connecting plates (92) are connected to the front sides of the two mounting rods (91), and the telescopic plate (93) is connected between one sides of the two second connecting plates (92) close to each other.

5. A portable construction partition fence according to claim 4 characterised in that the top surface of the first support bar (52) is roughened.