CN112482880B

CN112482880B - Building engineering guardrail placer convenient to carry equipment

Info

Publication number: CN112482880B
Application number: CN202011234779.5A
Authority: CN
Inventors: 洪良东
Original assignee: Leling Shunda Construction Co ltd
Current assignee: Leling Shunda Construction Co.,Ltd.
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-12-10
Anticipated expiration: 2040-11-07
Also published as: CN112482880A

Abstract

The invention relates to the technical field of constructional engineering, in particular to a constructional engineering guardrail placing device convenient to carry and assemble. Including two unable adjustment bases that the structure is the same and install the guardrail directly over unable adjustment base, the guardrail includes the bracing piece of two symmetry installations, unable adjustment base including: the fixed disk, the vertical insertion groove of having seted up of fixed disk upper surface, the draw-in groove has been seted up under the insertion groove, and the adjustment tank has been seted up to draw-in groove below symmetry, has seted up under the adjustment tank and has rotated the groove, has seted up first spring groove under the rotation groove, and first spring inslot portion is provided with first spring. According to the invention, through the arrangement and the matching between the fixed rod and the clamping ring, the rapid split installation between the base and the supporting rod is realized, so that the purpose of convenient carrying is realized.

Description

Building engineering guardrail placer convenient to carry equipment

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a constructional engineering guardrail placing device convenient to carry and assemble.

Background

In the construction process of the building engineering, the guard rails need to be placed in the construction road sections, and the wheels and pedestrians are prevented from entering the construction road sections by mistake, so that unnecessary personal and property safety loss is caused to vehicles and pedestrians.

Traditional building engineering guardrail monolithic structure is comparatively bulky, the dismantlement of being not convenient for to the influence that receives the structure in the transportation leads to occuping great transportation space, the transportation of not being convenient for carry, thereby the ability of transportation has been reduced, traditional building engineering guardrail is when the dismouting simultaneously, constructor needs the instrument with through the bolt between unable adjustment base and the guardrail, carry out frequent fixed mounting and dismantlement, has prolonged constructor's dead time, influences the use of guardrail.

Disclosure of Invention

The invention aims to provide a building engineering guardrail placing device convenient to carry and assemble so as to solve the problems in the background technology.

In order to achieve the above object, an object of the present invention is to provide a portable and assembled device for placing a guardrail in a construction project, including two fixing bases with the same structure and a guardrail installed directly above the fixing bases, wherein the guardrail includes two symmetrically installed supporting rods, and the fixing bases include:

the spring fixing device comprises a fixing disc, a first spring and a second spring, wherein an insertion groove is vertically formed in the upper surface of the fixing disc, a clamping groove is formed right below the insertion groove, adjusting grooves are symmetrically formed below the clamping groove, a rotating groove is formed right below the adjusting grooves, a first spring groove is formed right below the rotating groove, and a first spring is arranged inside the first spring groove;

the fixing groove is arranged in the adjusting groove, an opening faces the geometric center of the fixing disc, slider grooves are symmetrically formed in the inner wall of the fixing groove, the distance between each slider groove and each fixing groove is 2cm, a clamping ring is arranged inside the fixing groove, a slider is arranged at the joint of the clamping ring and the corresponding slider groove, the slider is connected with the corresponding slider groove in a sliding mode, right-angled claws are symmetrically arranged on the inner sides of the clamping rings, the right-angled claws are in a right-angled triangle structure, the lower surfaces of the right-angled claws are inclined planes, and second springs are symmetrically mounted at the joint of the slider and the fixing groove;

the cylinder, cylinder fixed mounting is in the lower surface department of bracing piece, the dead lever is installed to cylinder bilateral symmetry, dead lever and snap ring block, the dead lever is close to right angle claw department and has seted up the claw groove, claw groove and right angle claw block, the dead lever is provided with the arc with the cylinder junction, the dead lever is apart from cylindrical surface 2cm, the distance of dead lever both sides outermost end is the same with the snap-in groove length and width, the height that the cylinder lower extreme is apart from the dead lever upper surface is the same with the rotation groove degree of depth, the dead lever rotates the diameter around the cylinder and rotates the groove diameter the same.

After the fixed disc is placed at a specified position, one side with the fixed rod of the cylinder is positioned on the same plane with the fixed groove, the cylinder moves towards the insertion groove and enters the clamping groove through the insertion groove, at the moment, when the arc-shaped plate is in surface contact with one side of the cylinder close to the snap ring, the snap ring moves towards the bottom of the slide block groove through the slide block under the action of the arc-shaped plate, so that the snap ring moves towards the direction of the fixed groove, at the moment, the second spring elastically contracts, when the upper surface of the fixed rod moves to the lowest end of the snap ring, at the moment, the snap ring is not under the action of extrusion force of the fixed rod, at the moment, the second spring elastically rebounds, the snap ring pushes towards the fixed rod, the snap ring and the fixed rod are positioned on the same vertical plane, at the same time, the first spring elastically contracts towards the inner part of the first spring groove in the process of pressing down of the cylinder, at the moment, under the action of the elastic force of the first spring, make the dead lever to the draw-in groove internal movement of snap ring, simultaneously under the inclined plane effect through the right angle claw for the snap ring props up to both sides, when the right angle claw card is gone into the claw inslot portion, the block is fixed between snap ring and the dead lever this moment, thereby need not the cooperation of making a round trip of instrument, fixes cylinder and fixed disk.

When needs follow the fixed disk internal removal with the cylinder, press down the cylinder hard this moment, this moment under the effect of downward pressure, first spring increases elastic shrinkage intensity, the right angle claw breaks away from the inside in claw groove, and simultaneously, the dead lever moves under the snap ring, when the dead lever topmost with rotate the groove topmost at same horizontal plane, clockwise rotation cylinder ninety degrees this moment, make perpendicular settlement between dead lever and the snap ring, this moment under the effect of first spring elasticity resilience force, make the dead lever to the direction motion in the draw-in groove, and break away from through the draw-in groove, thereby realized the purpose of demolising fast, need not the frequent cooperation of work piece, the efficiency of dismouting has been improved, more portable accomodates after the dismantlement.

As a further improvement of the technical scheme, the two supporting rods are symmetrically provided with cross rods from top to bottom.

As a further improvement of the technical scheme, semicircular grooves are symmetrically formed in two ends of the upper surface of the cross rod, one side, close to the two ends, of each semicircular groove is of a semicircular structure, and a plurality of connecting rods are transversely arranged between the cross rods.

As a further improvement of the technical scheme, a sleeve is arranged at the position, close to the cross rod, of the supporting rod, and the sleeve is sleeved with the cross rod.

As a further improvement of the technical scheme, the supporting rod is close to the inside of the sleeve and is provided with a buckle groove, the joint of the supporting rod and the sleeve is provided with a cross rod hole, the cross rod hole and the sleeve are on the same horizontal plane and have the same internal structure, one side of the buckle groove is provided with an adjusting rod groove which is communicated with each other, and the surface of the supporting rod is perpendicular to the adjusting rod groove and is provided with a sliding plate groove.

As a further improvement of the technical scheme, buckle plate sliding block grooves are vertically formed in one sides, far away from the adjusting rod grooves, of the buckle plate grooves, and the distances between the buckle plate sliding block grooves and the upper end and the lower end of each buckle plate groove are 2 cm.

As a further improvement of the technical scheme, a third spring hole is formed right in front of the cross rod hole, and a third spring is arranged in the third spring hole.

As a further improvement of the technical scheme, a buckle plate is arranged in the buckle plate groove, a buckle plate slider is arranged on one side, close to the buckle plate slider groove, of the buckle plate, the buckle plate slider slides up and down in the buckle plate slider groove, a semicircular block is arranged at the lower end of the buckle plate, the semicircular block is clamped with the semicircular groove, and a fourth spring is symmetrically arranged at the joint of the upper end of the buckle plate and the buckle plate groove.

As a further improvement of the technical scheme, the adjusting rod is connected inside the adjusting rod groove in a sliding mode, the adjusting rod is fixed to one side of the surface of the buckle plate, a sliding plate is arranged on one side, close to the sliding plate groove, of the adjusting rod, the sliding plate slides up and down inside the sliding plate groove, and the buckle groove is longitudinally formed in the sliding plate.

As a further improvement of the technical scheme, a bottom plate is arranged right below the fixed disk, supporting rods are uniformly arranged on the periphery of the bottom plate, the supporting rods and the horizontal ground are inclined, a disk is arranged at one end, away from the fixed disk, of each supporting rod, and through holes are formed in the surface of the disk.

Compared with the prior art, the invention has the beneficial effects that:

1. in this building engineering guardrail placer convenient to carry equipment, through the dead lever of cylinder both sides and the block between the snap ring, under the supporting role of first spring for at the in-process that the cylinder pressed down, with the inside motion of dead lever to the snap ring, and the block, thereby realized fixed with the quick installation between bracing piece and the fixed disk, need not the frequent cooperation of instrument.

2. Among this building engineering guardrail placer convenient to carry equipment, through continuing to push down the cylinder to first spring inside for first spring elastic shrinkage, the dead lever rotates ninety degrees in rotating inslot portion simultaneously, and under the effect of the elastic resilience power through first spring, make the cylinder break away from the fixed disk is inside, thereby realized quick split between bracing piece and the fixed disk.

3. Among this building engineering guardrail placer convenient to carry equipment, block between the half slot and the semicircle board seted up through horizontal pole surface both ends, when pressing the horizontal pole to the horizontal pole downthehole portion, block between semicircle board and the half slot to make the buckle upward movement through upwards adjusting the slide, under the elasticity resilience force of fourth spring, make quick the breaking away from between horizontal pole and the bracing piece, thereby realized carrying out the split with the guardrail, be convenient for accomodate the transportation.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of the cross bar structure of embodiment 1;

FIG. 3 is a schematic view of the fixing base mounting structure of embodiment 1;

FIG. 4 is a schematic view of the support rod structure of embodiment 1;

FIG. 5 is a schematic view of a buckle mounting structure according to embodiment 1;

FIG. 6 is a partial cross-sectional view of the support rod according to embodiment 1;

FIG. 7 is a partial cross-sectional view of the support rod according to embodiment 1;

FIG. 8 is a partial cross-sectional view of the support rod according to embodiment 1;

FIG. 9 is a partial sectional view of the fixing base according to embodiment 1;

FIG. 10 is a schematic sectional view of a fixing disk in accordance with embodiment 1;

FIG. 11 is a schematic view of a partial cross-sectional structure of a cylinder according to example 1;

FIG. 12 is a schematic sectional view showing the entire structure of a fixing groove in accordance with embodiment 1;

FIG. 13 is a sectional view of a fixing groove in accordance with embodiment 1;

fig. 14 is a schematic structural view at a in example 1.

The various reference numbers in the figures mean:

100. a fixed base;

110. fixing the disc; 111. inserting the groove; 112. a clamping groove is formed; 113. an adjustment groove; 114. a rotating groove; 115. a first spring groove; 1151. a first spring;

120. fixing grooves; 121. a slider slot; 122. a snap ring; 1221. a slider; 1222. a right-angled claw; 123. a second spring;

130. a cylinder;

140. a base plate; 141. a stay bar; 142. a disc; 1421. a through hole;

200. a guardrail;

210. a cross bar; 211. a semicircular groove; 212. a connecting rod;

220. a support bar; 221. a buckle plate groove; 2211. a buckle slider slot; 222. a cross-bar hole; 2221. a third spring hole; 2222. a third spring; 223. a slide plate groove; 224. an adjusting rod groove;

230. buckling the plate; 231. a pinch plate slider; 232. a semicircular block; 233. a fourth spring;

240. adjusting a rod; 241. a slide plate; 2411. a handle buckling groove;

250. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 14, an object of the present embodiment is to provide a portable and assembled device for placing a guardrail in a construction project, including two fixing bases 100 with the same structure and a guardrail 200 installed directly above the fixing bases 100, wherein the guardrail 200 includes two symmetrically installed supporting rods 220, the fixing bases 100 include:

the fixing plate 110 is fixed, an insertion groove 111 is vertically formed in the upper surface of the fixing plate 110, a cylinder at the lower end of the supporting rod 220 is conveniently inserted into the clamping groove 112, the clamping groove 112 is formed right below the insertion groove 111, adjusting grooves 113 are symmetrically formed below the clamping groove 112, the fixing and installation of the fixing groove 120 are facilitated, a rotating groove 114 is formed right below the adjusting groove 113, when the cylinder 130 is pressed towards the bottom of the rotating groove 114, the cylinder 130 can rotate 90 degrees in the rotating groove 114, a first spring groove 115 is formed right below the rotating groove 114, a first spring 1151 is arranged inside the first spring groove 115, and the cylinder 130 is conveniently and elastically supported;

the fixing groove 120 is arranged in the adjusting groove 113, the opening of the fixing groove 120 faces the geometric center of the fixing disk 110, the snap ring 122 can slide in the fixing groove 120 conveniently, the inner wall of the fixing groove 120 is symmetrically provided with a slider groove 121, the slider 1221 can slide conveniently, the slider groove 121 is 2cm away from the two ends of the fixing groove 120, the slider 1221 can be prevented from falling off from the fixing groove 120, the snap ring 122 is arranged in the fixing groove 120, the snap ring 122 is clamped with the fixing rod, the cylinder 130 and the fixing disk 110 can be fixed under the action of elastic resilience of a first spring 1151, the slider 1221 is arranged at the joint of the snap ring 122 and the slider groove 121, the snap ring 122 can slide conveniently in the fixing groove 120, the right-angled claw 1222 is symmetrically arranged on the inner side of the snap ring 122, the right-angled claw 1222 is in a right-angled triangle structure, the lower surface of the right-angled claw 1222 is an inclined surface, and the fixing strength of the snap ring 122 and the fixing rod is increased, through the structure of the inclined surface of the lower surface of the right-angle claw 1222, the fixing rod is clamped when moving towards the snap ring 122, the second spring 123 is symmetrically installed at the joint of the sliding block 1221 and the fixing groove 120, and under the action of the elastic resilience force of the second spring 123, the sliding block 1221 is always abutted against one side, close to the cylinder 130, of the sliding block groove 121, so that the fixing rod and the snap ring 122 are fixed conveniently;

the cylinder 130, the cylinder 130 is fixedly installed at the lower surface of the supporting rod 220, fixing rods are symmetrically installed at both sides of the cylinder 130, the fixing rods are clamped with the snap ring 122, so as to fix the cylinder 130 and the fixed disk 110, a claw groove is formed at the position, close to the right-angle claw 1222, of the fixing rod, the claw groove is clamped with the right-angle claw 1222, so as to increase the fixing strength, and improve the stability of the cylinder 130 and the fixed disk 110, an arc-shaped plate is arranged at the joint of the fixing rods and the cylinder 130, the fixing rods are 2cm away from the surface of the cylinder 130, the distance between the outermost ends of both sides of the fixing rods is the same as the length and width of the snap groove 112, when the cylinder 130 rotates 90 degrees, the cylinder 130 is convenient to be pulled out from the inside of the snap groove 112, the height between the lower end of the cylinder 130 and the upper surface of the fixing rods is the same as the depth of the rotating groove 114, by pressing the cylinder 130 downwards, so that the fixing rods are separated from the snap ring 122, enter the rotating groove 114 to rotate clockwise by 90 degrees, the cylinder 130 can be separated from the inside of the fixing groove 120 for the purpose of easy detachment, and the fixing lever rotates around the cylinder 130 with the same diameter as that of the rotating groove 114 to facilitate the separation of the cylinder 130 from the inside of the fixing disk 110.

In the embodiment, after the fixing plate 110 is placed at a specific position, the side of the cylinder 130 with the fixing rod is in the same plane with the fixing groove 120, at this time, the cylinder 130 moves towards the insertion groove 111 and enters the inside of the snap-in groove 112 through the insertion groove 111, at this time, when the arc-shaped plate is in surface contact with the side of the snap ring 122 close to the cylinder 130, under the action of the arc-shaped plate, the snap ring 122 moves towards the bottom of the slider groove 121 through the slider 1221, so that the snap ring 122 moves towards the fixing groove 120, at this time, the second spring 123 elastically contracts, when the upper surface of the fixing rod moves to the lowest end of the snap ring 122, at this time, the snap ring 122 is not under the action of the pressing force of the fixing rod, at this time, the second spring 123 elastically rebounds, the snap ring 122 is pushed towards the fixing rod, and the snap ring 122 and the fixing rod are in the same vertical plane, at the same time, the first spring 1151 elastically contracts towards the inside of the first spring groove 115 during the process that the cylinder 130 is pressed downwards, stop to press cylinder 130 downwards, cylinder 130 makes the dead lever move to the draw-in groove of snap ring 122 under receiving first spring 1151 elasticity resilience power this moment, simultaneously through the inclined plane of right angle claw 1222 down, makes snap ring 122 prop to both sides, when right angle claw 1222 is gone into the claw inslot portion, the block is fixed between snap ring 122 and the dead lever this moment to the cooperation of making a round trip that need not the instrument is fixed cylinder 130 and fixed disk 110.

When the embodiment is used, when the cylinder 130 needs to be detached from the fixed disk 110, the cylinder 130 is pressed downwards by force at this time, under the action of downward pressure at this time, the first spring 1151 increases elastic shrinkage strength, the right-angle claw 1222 is detached from the inside of the claw groove, meanwhile, the fixing rod moves towards the right below of the clamping ring 122, when the uppermost end of the fixing rod and the uppermost end of the rotating groove 114 are on the same horizontal plane, the cylinder 130 is rotated clockwise at this time, so that the fixing rod and the clamping ring 122 are vertically set, at this time, under the action of elastic resilience of the first spring 1151, the fixing rod moves towards the clamping groove 112 and is detached through the clamping groove 112, thereby achieving the purpose of quick detachment, frequent matching of workpieces is not needed, the efficiency of disassembly and assembly is improved, and more convenient carrying and storage after disassembly are realized.

Further, horizontal pole 210 is installed to two bracing pieces 220 symmetry from top to bottom, play horizontal fixed stay to guardrail 200, semicircular groove 211 has been seted up to horizontal pole 210 upper surface both ends symmetry, one side that semicircular groove 211 is close to both ends is the semicircle type structure, when being convenient for transversely stretch, with fixed between horizontal pole 210 and the bracing piece 220, prevent to drop, transversely install a plurality of connecting rods 212 between two horizontal poles 210, it is fixed to the support of guardrail 200 vertical direction to be convenient for, bracing piece 220 is close to horizontal pole 210 department and is provided with sleeve pipe 250, sleeve pipe 250 cup joints with horizontal pole 210, increase the fixed effect between horizontal pole 210 and the bracing piece 220.

Further, a buckle groove 221 is formed in the support rod 220 close to the inside of the sleeve 250, which is convenient for the buckle plate 230 to slide up and down, a cross rod hole 222 is formed at the joint of the support rod 220 and the sleeve 250, which is convenient for the cross rod 210 to be inserted into the support rod 220 through the cross rod hole 222, the cross rod hole 210 and the sleeve 250 are on the same horizontal plane, and the internal structure is the same, which is convenient for the cross rod 210 to be inserted into the cross rod hole 222 through the sleeve 250, an adjusting rod groove 224 which is communicated with each other is formed in one side of the buckle groove 221, which is convenient for the adjusting rod 240 to slide up and down in the adjusting rod groove 224, the buckle groove 221 is far away from the adjusting rod groove 224 and is vertically clamped with a buckle slider groove 2211, which is convenient for the buckle plate slider 231 to slide up and down, and simultaneously, the stability of the buckle plate 230 when sliding in the buckle groove 221 is increased, the buckle slider groove 2211 is 2cm away from the upper end and the lower end of the buckle groove 221, and the buckle plate groove 230 is prevented from the buckle groove 221, and the buckle plate groove 221 from the buckle groove 221 to fall off.

Specifically, a third spring hole 2221 is formed right in front of the rail hole 222, a third spring 2222 is disposed inside the third spring hole 2221, so that when the rail 210 is received inside the rail hole 222, the rail 210 is separated from the inside of the rail hole 222 by the elastic resilience of the third spring 2222, so that rapid detachment is facilitated, a buckle plate 230 is disposed inside the buckle plate groove 221, a buckle plate slider 231 is disposed on one side of the buckle plate 230, which is close to the buckle plate slider groove 2211, the buckle plate slider 231 slides up and down inside the buckle plate slider groove 2211, a semicircular block 232 is disposed at the lower end of the buckle plate 230, and is engaged with the semicircular groove 211 through the semicircular block 232, so that the rail 210 and the support bar 210 are rapidly fixed, a fourth spring 233 is symmetrically disposed at the joint between the upper end of the buckle plate 230 and the buckle plate groove 221, and when the rail 210 moves towards the inside of the rail hole 222, the semicircular block 232 moves towards the direction of the fourth spring 233, so that the fourth spring 233 elastically contracts, when the semicircular block 232 is engaged with the semicircular groove 211, the buckle plate 230 is fixed to the crossbar 210 by the elastic resilience of the fourth spring 233.

Besides, the adjusting rod 240 is slidably connected inside the adjusting rod groove 224, the adjusting rod 240 is fixed to one side of the surface of the buckle plate 230, so that the buckle plate 230 moves up and down when the adjusting rod 240 moves up and down, thereby separating the cross rod 210 from the cross rod hole 222, a sliding plate 241 is arranged on one side of the adjusting rod 240 close to the sliding plate groove 223, the sliding plate 241 slides up and down inside the sliding plate groove 223, thereby facilitating the up and down movement of the adjusting rod 240, a buckle groove 2411 is longitudinally arranged on the sliding plate 241, facilitating the operation of constructors, preventing the sliding plate 241 from separating from fingers when the sliding plate 241 is buckled up, a bottom plate 140 is arranged right below the fixed plate 110, supporting rods 141 are uniformly arranged around the bottom plate 140, and play a role of fixed support for the fixed plate 110, the supporting rods 141 are inclined 60 degrees with the horizontal ground, the fixed area is increased, the stability is improved, a circular disc 142 is arranged at one end of the supporting rod 141 far away from the fixed plate 110, a through hole 1421 is arranged on the surface of the circular disc 142, the fixing base 100 and the ground can be fixed conveniently through the screw thread, and the practical effect is increased.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a building engineering guardrail placer convenient to carry equipment which characterized in that: including two unable adjustment base (100) that the structure is the same and install guardrail (200) directly over unable adjustment base (100), guardrail (200) include two symmetrical bracing pieces of installing (220), unable adjustment base (100) including:

the fixing plate comprises a fixing plate (110), wherein an insertion groove (111) is vertically formed in the upper surface of the fixing plate (110), a clamping groove (112) is formed right below the insertion groove (111), adjusting grooves (113) are symmetrically formed below the clamping groove (112), a rotating groove (114) is formed right below the adjusting groove (113), a first spring groove (115) is formed right below the rotating groove (114), and a first spring (1151) is arranged inside the first spring groove (115);

the fixing groove (120) is arranged in the adjusting groove (113), the opening of the fixing groove faces the geometric center of the fixing disc (110), sliding block grooves (121) are symmetrically formed in the inner wall of the fixing groove (120), the sliding block grooves (121) are 2cm away from the two ends of the fixing groove (120), a clamping ring (122) is arranged inside the fixing groove (120), a sliding block (1221) is arranged at the joint of the clamping ring (122) and the sliding block grooves (121), the sliding block (1221) is connected with the sliding block grooves (121) in a sliding mode, right-angled claws (1222) are symmetrically arranged on the inner side of the clamping ring (122), the right-angled claws (1222) are in a right-angled triangle structure, the lower surface of the right-angled claw (1222) is an inclined surface, and second springs (123) are symmetrically mounted at the joint of the sliding block (1221) and the fixing groove (120);

the fixing device comprises a cylinder (130), the cylinder (130) is fixedly installed at the lower surface of a supporting rod (220), fixing rods are symmetrically installed on two sides of the cylinder (130), the fixing rods are clamped with a clamping ring (122), claw grooves are formed in the positions, close to right-angle claws (1222), of the fixing rods, are clamped with the right-angle claws (1222), arc-shaped plates are arranged at the connection positions of the fixing rods and the cylinder (130), the distance between the fixing rods and the surface of the cylinder (130) is 2cm, the distance between the outermost ends of the two sides of the fixing rods is the same as the length and width of a clamping groove (112), the height, away from the upper surface of the fixing rods, of the lower end of the cylinder (130) is the same as the depth of a rotating groove (114), and the rotating diameter of the fixing rods around the cylinder (130) is the same as the diameter of the rotating groove (114).

2. The portable assembly construction fence placement device of claim 1 wherein: two horizontal poles (210) are symmetrically installed on the supporting rods (220) from top to bottom.

3. The portable assembly construction fence placement device of claim 2 wherein: semicircular groove (211) have been seted up to horizontal pole (210) upper surface both ends symmetry, one side that semicircular groove (211) are close to both ends is semicircle type structure, two transversely install a plurality of connecting rods (212) between horizontal pole (210).

4. The portable assembly construction fence placement device of claim 1 wherein: the supporting rod (220) is provided with a sleeve (250) close to the cross rod (210), and the sleeve (250) is sleeved with the cross rod (210).

5. The portable assembly construction fence placement device of claim 1 wherein: the supporting rod (220) is close to the inside of the sleeve (250) and is provided with a buckle groove (221), a cross rod hole (222) is formed in the joint of the supporting rod (220) and the sleeve (250), the cross rod hole (222) and the sleeve (250) are on the same horizontal plane, the internal structures of the cross rod hole and the sleeve are the same, one side of the buckle groove (221) is provided with an adjusting rod groove (224) which is communicated with each other, and the surface of the supporting rod (220) is perpendicular to the adjusting rod groove (224) and is provided with a sliding plate groove (223).

6. The portable assembled construction fence placer of claim 5, wherein: one side of the buckle plate groove (221), which is far away from the adjusting rod groove (224), is vertically provided with a buckle plate slider groove (2211), and the distance between the buckle plate slider groove (2211) and the upper end and the lower end of the buckle plate groove (221) is 2 cm.

7. The portable assembled construction fence placer of claim 5, wherein: a third spring hole (2221) is formed right in front of the cross rod hole (222), and a third spring (2222) is arranged in the third spring hole (2221).

8. The portable assembled construction fence placer of claim 5, wherein: buckle (230) inside buckle (230) that is provided with in buckle groove (221), buckle (230) are close to buckle slider groove (2211) one side and are provided with buckle slider (231), buckle slider (231) slide from top to bottom in buckle slider groove (2211) is inside, buckle (230) lower extreme is provided with semicircle piece (232), semicircle piece (232) and semicircle groove (211) block, buckle (230) upper end and buckle groove (221) junction symmetry are provided with fourth spring (233).

9. The portable assembled construction fence placer of claim 5, wherein: the adjusting rod is characterized in that an adjusting rod (240) is connected inside the adjusting rod groove (224) in a sliding mode, the adjusting rod (240) is fixed to one side of the surface of the buckle plate (230), a sliding plate (241) is arranged on one side, close to the sliding plate groove (223), of the adjusting rod (240), the sliding plate (241) slides up and down inside the sliding plate groove (223), and a buckle hand groove (2411) is longitudinally formed in the sliding plate (241).

10. The portable assembly construction fence placement device of claim 1 wherein: be provided with bottom plate (140) under fixed disk (110), bottom plate (140) are evenly installed vaulting pole (141) all around, vaulting pole (141) and horizontal ground slope 60 degrees, vaulting pole (141) are kept away from fixed disk (110) one end and are provided with disc (142), through-hole (1421) has been seted up on disc (142) surface.