CN114458077A

CN114458077A - Civil engineering is with building guardrail of dismouting of being convenient for

Info

Publication number: CN114458077A
Application number: CN202210162795.0A
Authority: CN
Inventors: 徐杰杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-05-10

Abstract

The invention discloses a building guardrail for civil engineering, which is convenient to disassemble and assemble and relates to the technical field of civil engineering. According to the building guardrail, the upper end and the lower end of the first cross railing and the second cross railing are respectively fixed with the slot block and the slot block body, the pin rod is pressed to insert the slot block body on the first group of railing components into the slot block on the second group of railing components, the pin rod is bounced into a hole position of the slot block by the elastic force of the pin spring after reaching a certain position, the slot block body on the first group of railing components and the slot block on the second group of railing components are fixedly installed, the rubber button is pressed during disassembly to push against the pressing pin rod in a linkage manner to be separated from the hole position, the disassembly is completed, and the main upright rod, the railing components and the auxiliary upright rods are sequentially assembled to form the building guardrail, so that the building guardrail has a modular assembly structure, and the assembling and disassembling modes are convenient.

Description

Civil engineering is with building guardrail of dismouting of being convenient for

Technical Field

The invention relates to the technical field of civil engineering, in particular to a building guardrail convenient to disassemble and assemble for civil engineering.

Background

Civil engineering is a general term for scientific and technical techniques for building various engineering facilities, and refers to both applied materials, equipment, and technical activities such as surveying, designing, constructing, maintaining, and repairing, and also refers to objects of engineering construction. The civil engineering aims to form spaces and channels which are required by human production or life, have good functions, are comfortable and beautiful, are not only required in material, but also have requirements in symbolic spirit, along with the development of society, the engineering structure is increasingly large and complicated, super high-rise buildings, extra large bridges, huge dams and complex subway systems continuously emerge to meet the living requirements of people, and are also used as the symbols of social strength, and the building guardrails are required to be used in civil engineering.

The building guardrail on the market is relatively loaded down with trivial details when assembling, needs to spend a large amount of time, and does not possess modular structure, needs to change the shortcoming of whole building guardrail after partial spare part damages.

Disclosure of Invention

The invention aims to provide a building guardrail for civil engineering, which is convenient to assemble and disassemble and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a civil engineering is with building guardrail of dismouting of being convenient for, includes main pole setting and inserted block subassembly, railing subassembly is installed to outside one side of main pole setting, and railing subassembly is including founding railing one, cross railing one, axle core, cross railing two and founding railing two, the externally mounted of founding railing one has cross railing one, and the outside of cross railing one is provided with the axle core, the outside of axle core is provided with cross railing two, and the externally mounted of cross railing two has found railing two, vice pole setting is installed to outside one side of railing subassembly, and is fixed with the slot subassembly above the outside of railing subassembly, the slot subassembly includes slot piece, rubber button and withstands, and is fixed with rubber button above the outside of slot piece, the below of rubber button is provided with the withstands, the inserted block unit mount is in outside one side of slot subassembly, the inserted block subassembly includes inserted block body, a, The pin bush, round pin spring and pin pole, and the inside of inserted block body is fixed with the pin bush, the outside of pin bush is provided with the round pin spring, and the inner wall of pin bush installs the pin pole, the inner wall top of vice pole setting is provided with infrared receiver.

Furthermore, the first cross railing is rotatably connected with the second cross railing through the shaft core, the second cross railing is slidably connected with the first vertical railing, the first cross railing is slidably connected with the second vertical railing, and the second vertical railing is rectangular.

Furthermore, the pin bush is elastically connected with the pin rod through the pin spring, the upper surface of the pin rod is attached to the lower surface of the support, and the support is cylindrical.

Further, the outside front end of railing subassembly is fixed with lubricated subassembly, and lubricated subassembly includes cavity axle sleeve, spiral cover, cotton core and ball, the spiral cover is installed to the outside top of cavity axle sleeve, and the inner wall of cavity axle sleeve is provided with the cotton core, the outside laminating of cotton core has the ball.

Furthermore, the shaft core is rotatably connected with the cavity shaft sleeve through balls, the cavity shaft sleeve is in threaded connection with the screw cap, the balls are arranged along the circumference of the circle center of the cavity shaft sleeve, and the cavity shaft sleeve is circular.

Furthermore, the bottom of the inner wall of the main upright rod is provided with a lifting assembly, the lifting assembly comprises a first electric cylinder and universal wheels, and the universal wheels are installed below the first electric cylinder.

Furthermore, the inner wall of the railing assembly is provided with a spike assembly, the spike assembly comprises a shaft rod, a spike sleeve and a spike rod, the spike sleeve is arranged outside the shaft rod, and the spike rod is arranged on the inner wall of the spike sleeve.

Further, the inner wall top of main pole setting is provided with alarm assembly, and alarm assembly includes electric jar two, casing, guide arm, guide pin bushing, infra-red transmitter and alarm, the casing is installed to the top of electric jar two, and is fixed with the guide arm below the outside of casing, the outside of guide arm is provided with the guide pin bushing, infra-red transmitter is installed to the inner wall of casing, and installs the alarm above the outside of casing.

Furthermore, the outside front end of main pole setting is fixed with the spout frame, and the externally mounted of spout frame has the show case, the front end of show case is provided with the bolt, and the externally mounted of bolt has the frame, the outside of frame is provided with the board that passes through.

Furthermore, the display box is fixedly connected with the outer frame through bolts, the central axis of the outer frame coincides with the central axis of the transparent plate, and the transparent plate is rectangular.

The invention provides a building guardrail for civil engineering, which is convenient to disassemble and assemble and has the following beneficial effects: the building guardrail comprises a first group of railing components, a second group of railing components, a main upright post, a railing component and an auxiliary upright post, wherein an inserting block body on the first group of railing components and an inserting groove block on the second group of railing components are fixedly installed, a rubber button is pressed during the disassembly, the main upright post, the railing component and the auxiliary upright post are sequentially assembled to form the building guardrail, so that the building guardrail has a modular assembly structure, a building guardrail with any length can be assembled according to the use requirement, the installation and disassembly modes are convenient, lubricating oil is attached along with the rolling of the rolling balls, a shaft core, a cavity shaft sleeve and the rolling balls are lubricated, the building guardrail has a self-lubricating structure, the abrasion during use can be reduced, the service life is prolonged, the interception effect is improved, the interception area is further increased, the building guardrail has a high-efficiency interception effect, the building guardrail can be effectively prevented from being overturned by other people, and the building guardrail is warned not to be continuously overturned by other people, when the alarm component is not used, the alarm component can be hidden in the main upright stanchion and the auxiliary upright stanchion to avoid damage, so that the building guardrail has a climbing alarm function, can warn other people and is convenient for workers to know in time, and completes the display of bulletin boards or propaganda advertisements, so that the building guardrail has a display structure and can increase the advertisement benefit;

1. the invention is characterized in that a main upright post, a first cross post, a shaft core, a second cross post, a second upright post, a secondary upright post, a slot block, a rubber button, a propping block, a plug block body, a pin sleeve, a pin spring and a pin rod are arranged, the upper end and the lower end of the first cross post and the second cross post are respectively fixed with the slot block and the plug block body, the plug block body on a first group of post components is inserted into the slot block on a second group of post components by pressing the pin rod, the pin rod is bounced into a hole site of the slot block by the elasticity of the pin spring after reaching a certain position, the plug block body on the first group of post components and the slot block on the second group of post components are fixedly installed, the rubber button is pressed during disassembly to link and prop the pressing pin rod to be separated from the hole site, the disassembly is completed, and the main upright post, the post components and the secondary upright post are sequentially assembled to form the building guardrail, so that the building guardrail has a modular assembly structure, can assemble the building guardrail of arbitrary length according to the user demand, and the mode of installation dismantlement is comparatively convenient.

2. According to the building guardrail, the shaft core, the cavity shaft sleeve, the rotary cover, the cotton core and the balls are used, the cavity shaft sleeve is respectively fixed with the first cross railing and the second cross railing, the balls and the shaft core rotate, the rotary cover is opened to add lubricating oil into the cavity shaft sleeve, the lubricating oil is absorbed by the cotton core, and the lubricating oil is adhered along with the rolling of the balls to lubricate the shaft core, the cavity shaft sleeve and the balls, so that the building guardrail has a self-lubricating structure, the abrasion in use can be reduced, and the service life is prolonged.

3. According to the building guardrail, the first electric cylinder, the universal wheel, the shaft rod, the bur sleeve and the bur rod are arranged, and the first electric cylinder is started to push the universal wheel to move up and down, so that the overall height of the building guardrail is changed, the intercepting area is increased, the bur sleeve rotates along the shaft rod to stand up, the bur rod in the bur sleeve is pulled up, the bur rod is added to the building guardrail, the intercepting effect is improved, the intercepting area is further increased, the building guardrail has a high-efficiency intercepting effect, and other people can be effectively prevented from crossing the building guardrail.

4. According to the building guardrail, the infrared receiver, the infrared transmitter and the alarm are arranged, after the electric cylinder II is started, the shell is pushed to ascend, the infrared receiver, the infrared transmitter and the alarm finish ascending, the infrared receiver and the infrared transmitter are arranged in relative positions, if other people climb over the building guardrail, the infrared receiver and the infrared transmitter can monitor and start the alarm to alarm, and the other people are warned not to continuously climb over the building guardrail.

5. According to the invention, through the arrangement of the chute frame, the display box, the bolts, the outer frame and the transparent plate, the bolts are unscrewed to remove the outer frame and the transparent plate, the bulletin board or the advertising advertisement and the like can be placed in the display box, the practicability of the building guardrail is improved, the outer frame is installed back, the display box slides into the chute frame, the bulletin board or the advertising advertisement is displayed, the building guardrail has a display structure, and the advertising benefit can be increased.

Drawings

FIG. 1 is a schematic sectional view of a building guardrail for civil engineering, which is easy to assemble and disassemble and is folded from the front;

FIG. 2 is a schematic cross-sectional view of a slot assembly and an insert block assembly of a building guardrail for civil engineering, which are convenient to disassemble and assemble;

FIG. 3 is a schematic view of a folding structure of a building guardrail for civil engineering, which is convenient to disassemble and assemble;

FIG. 4 is an enlarged schematic view of the construction guardrail for civil engineering, which is convenient to disassemble and assemble, at the position A in FIG. 1;

FIG. 5 is an enlarged schematic view of the construction guardrail for civil engineering at the position B in FIG. 1

FIG. 6 is a schematic view of the front view showing the unfolding structure of the construction guardrail for civil engineering which is convenient to assemble and disassemble

Fig. 7 is a schematic rear view showing the unfolding structure of the construction guardrail for civil engineering, which is convenient to disassemble and assemble.

In the figure: 1. a main upright stanchion; 2. a balustrade assembly; 201. a first vertical handrail; 202. a first cross railing; 203. a shaft core; 204. a second cross railing; 205. a second vertical handrail; 3. an auxiliary upright rod; 4. a socket assembly; 401. a slot block; 402. a rubber button; 403. propping up; 5. an insert block assembly; 501. an insert block body; 502. a pin bush; 503. a pin spring; 504. a pin rod; 6. a lubrication assembly; 601. a hollow shaft sleeve; 602. screwing a cover; 603. a cotton core; 604. a ball bearing; 7. a lifting assembly; 701. a first electric cylinder; 702. a universal wheel; 8. a spur assembly; 801. a shaft lever; 802. a bur sleeve; 803. a protruding rod; 9. an infrared receiver; 10. an alarm component; 1001. a second electric cylinder; 1002. a housing; 1003. a guide bar; 1004. a guide sleeve; 1005. an infrared emitter; 1006. an alarm; 11. a chute frame; 12. a display box; 13. a bolt; 14. an outer frame; 15. and (4) a board is penetrated.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a building guardrail for civil engineering and convenient to disassemble and assemble comprises a main upright stanchion 1 and an insert block component 5, wherein one side of the outer part of the main upright stanchion 1 is provided with a railing component 2, the railing component 2 comprises a first upright stanchion 201, a first cross railing 202, a shaft core 203, a second cross railing 204 and a second upright railing 205, the first cross railing 202 is arranged on the outer part of the first upright stanchion 201, the shaft core 203 is arranged on the outer part of the first cross railing 202, the second cross railing 204 is arranged on the outer part of the shaft core 203, the second cross railing 205 is arranged on the outer part of the second cross railing 204, the first cross railing 202 is rotatably connected with the second cross railing 204 through the shaft core 203, the second cross railing 204 is slidably connected with the first upright railing 201, the first cross railing 202 is slidably connected with the second upright railing 205, the second upright railing 205 is rectangular in shape, one side of the outer part of the railing component 2 is provided with a secondary upright stanchion 3, and a slot component 4 is fixed above the outer part of the railing component 2, the slot assembly 4 comprises a slot block 401, a rubber button 402 and a propping block 403, the rubber button 402 is fixed above the outer part of the slot block 401, the propping block 403 is arranged below the rubber button 402, the slot assembly 5 is installed on one side of the outer part of the slot assembly 4, the slot assembly 5 comprises a slot body 501, a pin sleeve 502, a pin spring 503 and a pin rod 504, the pin sleeve 502 is fixed inside the slot body 501, the pin spring 503 is arranged outside the pin sleeve 502, the pin rod 504 is installed on the inner wall of the pin sleeve 502, the pin sleeve 502 is elastically connected with the pin rod 504 through the pin spring 503, the upper surface of the pin rod 504 is attached to the lower surface of the propping block 403, and the shape of the propping block 403 is cylindrical;

the construction guardrail comprises a first cross railing 202 and a second cross railing 204, wherein the upper end and the lower end of each of the first cross railing 202 and the second cross railing 204 are respectively fixed with a slot block 401 and an insert block body 501, the insert block body 501 on the first set of railing components 2 is inserted into the slot block 401 on the second set of railing components 2 by a pressing pin 504, the pin 504 is bounced into a hole of the slot block 401 by the elastic force of a pin spring 503 after reaching a certain position, the insert block body 501 on the first set of railing components 2 and the slot block 401 on the second set of railing components 2 are fixedly installed, a rubber button 402 is pressed during disassembly, the pressing pin 504 is propped in a linkage manner to be separated from the hole by the pressing pin 403, disassembly is completed, and a main upright rod 1, the railing components 2 and an auxiliary upright rod 3 are sequentially assembled to form the construction guardrail, so that the construction guardrail has a modular assembly structure, construction guardrails with any length can be assembled according to use requirements, and the assembly and disassembly modes are convenient and rapid;

referring to fig. 1, 2 and 4, a lubricating assembly 6 is fixed at the front end of the exterior of the balustrade assembly 2, and the lubricating assembly 6 includes a cavity shaft sleeve 601, a screw cap 602, a cotton core 603 and balls 604, the screw cap 602 is installed above the exterior of the cavity shaft sleeve 601, the cotton core 603 is disposed on the inner wall of the cavity shaft sleeve 601, the balls 604 are attached to the exterior of the cotton core 603, the shaft core 203 is rotatably connected with the cavity shaft sleeve 601 through the balls 604, the cavity shaft sleeve 601 is in threaded connection with the screw cap 602, the balls 604 are arranged along the circle center circumference of the cavity shaft sleeve 601, and the shape of the cavity shaft sleeve 601 is circular;

the construction guardrail comprises a cavity shaft sleeve 601, a cross railing 202, a cross railing 204, a shaft core 203, a rotary cover 602, a cotton core 603 and balls 604, wherein the cavity shaft sleeve 601 is fixed with the cross railing 202 and the cross railing 204 respectively, the shaft core 203 rotates through the balls 604, the rotary cover 602 is opened to add lubricating oil into the cavity shaft sleeve 601, the lubricating oil is absorbed by the cotton core 603 along with the rotation of the balls 604, and the shaft core 203, the cavity shaft sleeve 601 and the balls 604 are lubricated, so that the construction guardrail has a self-lubricating structure, the abrasion during use can be reduced, and the service life is prolonged;

referring to fig. 1 and 2, a lifting assembly 7 is disposed at the bottom of an inner wall of the main upright stanchion 1, and the lifting assembly 7 includes a first electric cylinder 701 and a universal wheel 702, the universal wheel 702 is mounted below the first electric cylinder 701, a spur assembly 8 is mounted on an inner wall of the railing assembly 2, and the spur assembly 8 includes a shaft 801, a spur sleeve 802 and a spur rod 803, the spur sleeve 802 is mounted outside the shaft 801, and the spur rod 803 is disposed on an inner wall of the spur sleeve 802;

the specific operation is as follows, after the first electric cylinder 701 is started, the universal wheel 702 is pushed to move up and down, so that the overall height of the building guardrail is changed, the intercepting area is increased, the bur sleeve 802 is rotated along the shaft rod 801 to be erected, the bur rod 803 in the bur sleeve 802 is pulled up, the bur rod 803 is added to the building guardrail, the intercepting effect is improved, the intercepting area is further increased, the building guardrail has a high-efficiency intercepting effect, and other people can be effectively prevented from crossing the building guardrail;

referring to fig. 1, 2 and 5, an infrared receiver 9 is arranged on the top of the inner wall of the auxiliary upright stanchion 3, an alarm assembly 10 is arranged on the top of the inner wall of the main upright stanchion 1, and the alarm assembly 10 includes a second electric cylinder 1001, a housing 1002, a guide rod 1003, a guide sleeve 1004, an infrared emitter 1005 and an alarm 1006, the housing 1002 is arranged above the second electric cylinder 1001, the guide rod 1003 is fixed on the lower part of the outer part of the housing 1002, the guide sleeve 1004 is arranged on the outer part of the guide rod 1003, the infrared emitter 1005 is arranged on the inner wall of the housing 1002, and the alarm 1006 is arranged on the upper part of the outer part of the housing 1002;

after the electric cylinder II 1001 is started, the shell 1002 is pushed to ascend, the infrared receiver 9, the infrared transmitter 1005 and the alarm 1006 complete ascending, the infrared receiver 9 and the infrared transmitter 1005 are arranged in a relative position, if a building guardrail is crossed by other people, the infrared receiver 9 and the infrared transmitter 1005 can be monitored, the alarm 1006 is started to alarm, the other people are warned not to continuously cross the building guardrail, and the alarm component 10 can be retracted into the main upright rod 1 and the auxiliary upright rod 3 to be hidden when not used, so that the building guardrail is prevented from being damaged, has a turnover alarm function, and can warn the other people and meanwhile is convenient for workers to know in time;

referring to fig. 6-7, a chute frame 11 is fixed at the front end of the outer portion of the main upright 1, a display box 12 is installed at the outer portion of the chute frame 11, a bolt 13 is installed at the front end of the display box 12, an outer frame 14 is installed at the outer portion of the bolt 13, and a transparent plate 15 is installed at the outer portion of the outer frame 14.

The display box 12 is fixedly connected with an outer frame 14 through a bolt 13, the central axis of the outer frame 14 is coincided with the central axis of the transparent plate 15, and the transparent plate 15 is rectangular;

the concrete operation is as follows, unscrew bolt 13 and demolish frame 14 and pass through board 15, can place bulletin board or propaganda advertisement etc. in toward show case 12, promote the practicality of this building guardrail, pack back frame 14, with show case 12 in sliding chute frame 11, accomplish the show of bulletin board or propaganda advertisement for this building guardrail possesses the show structure, can increase advertising benefits.

In conclusion, when the building guardrail convenient to disassemble and assemble for civil engineering is used, the upper end and the lower end of the first cross railing 202 and the second cross railing 204 are respectively fixed with the slot block 401 and the insert block body 501, the insert block body 501 on the first group of railing components 2 is inserted into the slot block 401 on the second group of railing components 2 by the pressing pin 504, the pin 504 is bounced into the hole of the slot block 401 by the elastic force of the pin spring 503 after reaching a certain position, the insert block body 501 on the first group of railing components 2 and the slot block 401 on the second group of railing components 2 are fixedly installed, the rubber button 402 is pressed during disassembly, the pressing pin 504 is propped against in a linkage manner to be separated from the hole, the disassembly is completed, the main upright stanchion 1, the railing components 2 and the auxiliary upright stanchions 3 are sequentially assembled to form the building guardrail, so that the building guardrail has a modular assembly structure, building guardrails with any length can be assembled according to use requirements, and the assembly and disassembly are convenient, when the railing assembly 2 is unfolded, the main upright stanchion 1 and the auxiliary upright stanchion 3 are respectively pulled in opposite directions, the first cross railing 202 and the second cross railing 204 slide along the sliding grooves of the first upright railing 201 and the second upright railing 205 after being stressed, then the first cross railing 202 and the second cross railing 204 are unfolded, the cavity shaft sleeve 601 is respectively fixed with the first cross railing 202 and the second cross railing 204 and rotates with the shaft core 203 through the ball 604, the rotary cover 602 is opened to add lubricating oil into the cavity shaft sleeve 601, the lubricating oil is absorbed by the cotton core 603 along with the rolling of the ball 604, the lubricating oil is adhered to the shaft core 203, the cavity shaft sleeve 601 and the ball 604, so that the building guardrail has a self-lubricating structure, the abrasion in use can be reduced, the service life is prolonged, the bolt 13 is unscrewed to remove the outer frame 14 and the transparent plate 15, bulletin or advertisements and the like can be placed in the display box 12, and the practicability of the building guardrail is improved, the outer frame 14 is arranged back, the display box 12 is slid into the chute frame 11 to complete the display of the bulletin board or the propaganda advertisement, so that the building guardrail has a display structure and can increase the advertisement benefit, after the electric cylinder II 1001 is started, the shell 1002 is pushed to ascend, the infrared receiver 9, the infrared transmitter 1005 and the alarm 1006 finish the ascending, the infrared receiver 9 and the infrared transmitter 1005 are arranged in a relative position, if another person climbs over the building guardrail, the infrared receiver 9 and the infrared transmitter 1005 can monitor and start the alarm 1006 to alarm, so as to warn the other person not to continuously climb over the building guardrail, and when the alarm assembly 10 is not used, the building guardrail can be hidden in the main upright post 1 and the auxiliary upright post 3 to avoid damage, so that the building guardrail has a climbing over alarm function, can warn the other person and is convenient for the working personnel to know in time, after the electric cylinder 701 is started, the universal wheel 702 is pushed to move up and down, thereby change the whole height of this building guardrail, increase the interception area, will bur cover 802 rotate along axostylus axostyle 801, make it stand, pull up bur pole 803 in the bur cover 802, make this building guardrail increase bur pole 803, promote the interception effect, further increase the interception area for this building guardrail possesses high-efficient interception effect, can effectively block other people and cross this building guardrail.

Claims

1. The utility model provides a civil engineering is with building guardrail convenient to dismouting, a serial communication port, including main pole setting (1) and inserted block subassembly (5), railing subassembly (2) are installed to outside one side of main pole setting (1), and railing subassembly (2) are including founding railing (201), cross railing (202), axle core (203), cross railing two (204) and founding railing two (205), the externally mounted of founding railing (201) has cross railing one (202), and the outside of cross railing one (202) is provided with axle core (203), the outside of axle core (203) is provided with cross railing two (204), and the externally mounted of cross railing two (204) has and found railing two (205), vice pole setting (3) are installed to outside one side of railing subassembly (2), and the outside top of railing subassembly (2) is fixed with inserted block subassembly (4), inserted block subassembly (4) are including inserted block (401), Rubber button (402) and withstand (403), and the outside top of slot piece (401) is fixed with rubber button (402), the below of rubber button (402) is provided with withstand (403), install in outside one side of slot subassembly (4) inserted block subassembly (5), inserted block subassembly (5) are including inserted block body (501), cotter (502), round pin spring (503) and pin pole (504), and the inside of inserted block body (501) is fixed with cotter (502), the outside of cotter (502) is provided with round pin spring (503), and the inner wall of cotter (502) installs round pin pole (504), the inner wall top of vice pole setting (3) is provided with infrared receiver (9).

2. The building guardrail for civil engineering, which is convenient to disassemble and assemble, is characterized in that the first cross railing (202) is rotatably connected with the second cross railing (204) through the shaft core (203), the second cross railing (204) is slidably connected with the first vertical railing (201), the first cross railing (202) is slidably connected with the second vertical railing (205), and the second vertical railing (205) is rectangular in shape.

3. A civil engineering construction guardrail for facilitating disassembly and assembly according to claim 1, characterized in that the pin bushing (502) is elastically connected with the pin rod (504) through a pin spring (503), the upper surface of the pin rod (504) is attached with the lower surface of the butting member (403), and the butting member (403) is cylindrical.

4. The building guardrail for civil engineering convenient to dismouting of claim 1, characterized in that, the outside front end of railing subassembly (2) is fixed with lubricated subassembly (6), and lubricated subassembly (6) includes cavity axle sleeve (601), spiral cover (602), cotton core (603) and ball (604), install spiral cover (602) above the outside of cavity axle sleeve (601), and the inner wall of cavity axle sleeve (601) is provided with cotton core (603), ball (604) are laminated to the outside of cotton core (603).

5. The civil engineering construction guardrail for facilitating disassembly and assembly as claimed in claim 4, wherein the shaft core (203) is rotatably connected with the cavity shaft sleeve (601) through balls (604), the cavity shaft sleeve (601) is in threaded connection with the screw cap (602), the balls (604) are arranged along the circumference of the center of the cavity shaft sleeve (601), and the shape of the cavity shaft sleeve (601) is circular.

6. A building guardrail for civil engineering convenient for disassembly and assembly according to claim 1, characterized in that the bottom of the inner wall of the main upright stanchion (1) is provided with a lifting component (7), and the lifting component (7) comprises a first electric cylinder (701) and a universal wheel (702), and the universal wheel (702) is installed below the first electric cylinder (701).

7. The building guardrail for civil engineering, which is convenient to disassemble and assemble, is characterized in that the inner wall of the railing assembly (2) is provided with a spike assembly (8), the spike assembly (8) comprises a shaft rod (801), a spike sleeve (802) and a spike rod (803), the exterior of the shaft rod (801) is provided with the spike sleeve (802), and the inner wall of the spike sleeve (802) is provided with the spike rod (803).

8. The building guardrail convenient to disassemble and assemble for civil engineering as claimed in claim 1, wherein the alarm assembly (10) is arranged on the top of the inner wall of the main upright stanchion (1), the alarm assembly (10) comprises a second electric cylinder (1001), a shell (1002), a guide rod (1003), a guide sleeve (1004), an infrared emitter (1005) and an alarm (1006), the shell (1002) is installed above the second electric cylinder (1001), the guide rod (1003) is fixed below the outer part of the shell (1002), the guide sleeve (1004) is arranged outside the guide rod (1003), the infrared emitter (1005) is installed on the inner wall of the shell (1002), and the alarm (1006) is installed above the outer part of the shell (1002).

9. The building guardrail convenient to disassemble and assemble for civil engineering as claimed in claim 1, wherein a chute frame (11) is fixed at the front end of the outer part of the main upright stanchion (1), a display box (12) is installed at the outer part of the chute frame (11), a bolt (13) is arranged at the front end of the display box (12), an outer frame (14) is installed at the outer part of the bolt (13), and a transparent plate (15) is arranged at the outer part of the outer frame (14).

10. The building guardrail for civil engineering convenient to detach and install as claimed in claim 9, characterized in that the display box (12) is fixedly connected with the outer frame (14) through bolts (13), the central axis of the outer frame (14) coincides with the central axis of the transparent plate (15), and the transparent plate (15) is rectangular.