Edge assembly type handrail for steel structure construction

Abstract

The invention relates to the technical field of assembly type railings, in particular to a steel structure construction edge assembly type railing. Comprising a cross rod; vertical rods are mounted at the two ends of the cross rod; the vertical rod comprises a rotating rod and a U-shaped rod; the inner wall of a U-shaped groove of the U-shaped rod is provided with two clamping grooves which are opposite to each other; circular grooves are formed in the upper end and the lower end of the rotating rod; by arranging the supporting feet, the vertical rods can be inserted into uneven pits through the supporting feet, the supporting feet can adapt to small pits in the ground, the handrail can be better fixed to the periphery of a foundation pit through the supporting feet, and therefore stable supporting points can be provided for the handrail through the supporting feet under the complex ground condition; the problem that the handrail collapses or topples over is avoided, meanwhile, a user does not need to fill the pits around the foundation pit with concrete, it is guaranteed that the handrail can be installed in time, then the safety of foundation pit operation is improved, and the actual application effect of the method is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of assembled railings, in particular to an assembled railing at the edge of a steel structure construction. Background Art

[0002] When construction workers are working on the edge, they need to use guardrails to protect the edges of the foundation pit, hole or other dangerous areas. The purpose of installing guardrails is to make the guardrails a solid physical barrier that can effectively separate the construction area from the dangerous area, prevent workers and other personnel from accidentally falling into the foundation pit, hole or other dangerous areas, thereby greatly reducing the possibility of accidents; so that workers can focus more on operations and improve work efficiency; Most existing edge protection railings are prefabricated railings. This is because prefabricated railings are made by assembly and splicing. Their main feature is that the various components of the railings are prefabricated in the factory and then assembled on the construction site through connectors. For temporary edge protection, this ability to quickly install and disassemble can greatly improve work efficiency, facilitate rapid enclosure of the work area, and reduce safety risks. When the existing foundation pit is excavated, the excavation equipment will inevitably damage the ground around the foundation pit, forming an uneven pit. The uneven ground will cause the railing to be unable to bear the force evenly, thereby reducing its overall stability, that is, the railing does not have enough support points, and there is a risk of the railing collapsing or tipping over. For this reason, it is often necessary to level the ground around the foundation pit, such as filling the pit with concrete and other materials. The solidification of the concrete material takes a certain amount of time, which makes it impossible to install the railing in time, which in turn increases the risk of foundation pit operations. In view of this, in order to overcome the above technical problems, the present invention proposes an assembled railing for edge of steel structure construction, which solves the above technical problems. Summary of the invention

[0003] In order to make up for the shortcomings of the prior art, the present invention proposes an assembled handrail for edge construction of steel structure. The present invention arranges supporting feet so that the uprights can be inserted into uneven pits through the supporting feet, so that the supporting feet can adapt to small pits on the ground, and the handrail can be better fixed around the foundation pit through the supporting feet, so that even complex ground conditions can provide stable support points for the handrail through the supporting feet, avoiding the collapse or tipping of the handrail. At the same time, there is no need for users to fill the pits around the foundation pit with concrete, which ensures that the handrail can be installed in time, thereby improving the safety of foundation pit operations and effectively improving the practical application effect of the present invention.

[0004] The technical solution adopted by the present invention to solve the technical problem is as follows: the steel structure construction edge assembled railing of the present invention comprises a cross bar; two ends of the cross bar are equipped with vertical bars; The vertical rod comprises a rotating rod and a U-shaped rod; the inner wall of the U-shaped groove of the U-shaped rod is provided with two opposite grooves; the upper and lower ends of the rotating rod are provided with circular grooves; a convex block is connected in a sliding seal in the circular groove at the upper end of the rotating rod; a connecting tube is connected in a sliding seal in the circular groove at the lower end of the rotating rod; a mounting block is connected in a sliding seal in the connecting tube; a foot is installed at one end of the mounting block away from the bottom of the connecting tube; a base is installed between the rotating rod and the U-shaped rod; a connecting hole is opened at the upper end of the base; A pushing unit is installed inside the cross bar; the pushing unit is used to push the protrusions in the two circular grooves and the connecting cylinder to extend out of the circular grooves.

[0005] Preferably, the support leg includes a support rod and a foot rod; the support rod is rotationally connected to the mounting block via a torsion spring; a connecting groove is provided on a side of the mounting block close to the support rod; the foot rod is slidably connected in the connecting groove; the foot rod is fixedly connected to the bottom of the connecting groove via a connecting spring; a cylindrical groove is provided on a side of the support rod away from the mounting block; a cylindrical rod is slidably connected in the cylindrical groove; the cylindrical rod is fixedly connected to the bottom of the cylindrical groove via a supporting spring; and an electromagnetic sheet is inlaid in the bottom of the cylindrical groove.

[0006] Preferably, the pushing unit includes a pushing plate; a cavity connected to the circular groove is opened inside the cross bar close to the rotating rod; the pushing plate is slidingly and sealingly connected in the cavity; a screw is rotatably connected to the upper end of the pushing plate; and the screw is helically connected to the cross bar.

[0007] Preferably, the surface of the screw is sleeved with a bellows.

[0008] Preferably, a mounting groove connected to the card slot is provided inside the U-shaped rod; a worm gear ring is rotatably connected to the bottom of the mounting groove; the worm gear ring is slidably connected to the protrusion; a worm is provided on one side of the worm gear ring for meshing transmission therewith; and the worm is rotatably connected to the U-shaped rod.

[0009] Preferably, sliding grooves are provided on both sides of the crossbar; a clamping block is slidably connected in the sliding groove; a threaded hole is provided at the lower end of the clamping block; and the base is threadedly connected in the threaded hole.

[0010] Preferably, the vertical pole also includes a No. 1 support rod and a No. 2 support rod; the No. 1 support rod and the No. 2 support rod are located between the rotating rod and the U-shaped rod; the No. 1 support rod is fixedly connected to the rotating rod through a cross rod; the No. 2 support rod is connected to the U-shaped rod through a cross rod; a slot is provided at one end of the No. 1 support rod away from the rotating rod; an insertion rod is fixedly connected to one end of the No. 2 support rod away from the U-shaped rod; the insertion rod is slidably connected in the slot.

[0011] Preferably, a fixing groove connected to the slot is provided on one side of the No. 1 support rod; a screw rod is spirally connected in the fixing groove; and a rubber block is rotatably connected to one end of the screw rod close to the insertion rod.

[0012] The beneficial effects of the present invention are as follows: 1. The present invention provides support feet so that the upright poles can be inserted into uneven pits through the support feet, so that the support feet can adapt to small pits on the ground, and the railings can be better fixed around the foundation pit through the support feet, so that even complex ground conditions can provide stable support points for the railings through the support feet, avoiding the collapse or tipping of the railings. At the same time, there is no need for users to fill the pits around the foundation pit with concrete, which ensures that the railings can be installed in time, thereby improving the safety of foundation pit operations and effectively improving the practical application effect of the present invention.

[0013] 2. The present invention sets a No. 1 support rod and a No. 2 support rod, so that the No. 2 support rod is inserted into the slot of the No. 1 support rod through the insertion rod, so that the distance between the rotating rod and the U-shaped rod can be adjusted by pulling the No. 2 support rod to slide inside the No. 1 support rod, thereby adjusting the length of the railing, thereby reducing the number of railings to be installed, greatly improving the assembly rate of the railings and the enclosure rate of the foundation pit. In addition, at different stages of the foundation pit construction, the user can temporarily adjust the length and position of the fence as needed, without the need to increase or decrease the replacement of the railings, thereby quickly completing the edge protection operation and ensuring the safety of the construction site. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described below in conjunction with the accompanying drawings and implementation modes.

[0015] Figure 1 It is a connection schematic diagram of the present invention; Figure 2 It is a schematic diagram of the structure of the vertical pole used in the present invention; Figure 3 yes Figure 2 The enlarged view of point A in the middle; Figure 4 yes Figure 2 The enlarged view of point B in the middle; Figure 5 yes Figure 2 Enlarged view of point C in the middle; Figure 6 yes Figure 2 The enlarged view of point D in the middle; Figure 7 It is a schematic diagram of the structure of the No. 1 support rod used in the present invention; In the figure: 1, cross bar; 11, rotating rod; 111, circular groove; 112, protrusion; 12, U-shaped rod; 121, slot; 13, connecting tube; 131, mounting block; 14, supporting foot; 141, supporting rod; 142, foot rod; 143, connecting groove; 144, connecting spring; 145, cylindrical groove; 146, cylindrical rod; 147, supporting spring; 148, electromagnetic sheet; 15, base; 1 51. Connecting hole; 152. Slide groove; 153. Block; 154. Threaded hole; 16. Cavity; 161. Push plate; 162. Screw; 163. Bellows; 17. Mounting groove; 171. Worm gear ring; 172. Worm; 18. Support rod No. 1; 181. Slot; 182. Fixing groove; 183. Screw; 19. Support rod No. 2; 191. Insert rod; 192. Rubber block. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0017] like Figures 1 to 7 As shown, the steel structure construction edge assembly railing of the present invention comprises a cross bar 1; two ends of the cross bar 1 are equipped with vertical poles; The vertical rod comprises a rotating rod 11 and a U-shaped rod 12; the inner wall of the U-shaped groove of the U-shaped rod 12 is provided with two opposite grooves 121; the upper and lower ends of the rotating rod 11 are provided with circular grooves 111; a convex block 112 is slidably and sealedly connected in the circular groove 111 at the upper end of the rotating rod 11; a connecting tube 13 is slidably and sealedly connected in the circular groove 111 at the lower end of the rotating rod 11; a mounting block 131 is slidably and sealedly connected in the connecting tube 13; a support leg 14 is installed at one end of the mounting block 131 away from the bottom of the connecting tube 13; a base 15 is installed between the rotating rod 11 and the U-shaped rod 12; a connecting hole 151 is opened at the upper end of the base 15; A pushing unit is installed inside the cross bar 1 ; the pushing unit is used to push the protrusions 112 in the two circular grooves 111 and the connecting tube 13 out of the circular grooves 111 .

[0018] As an embodiment of the present invention, the support leg 14 includes a support rod 141 and a foot rod 142; the support rod 141 is rotationally connected to the mounting block 131 via a torsion spring; a connecting groove 143 is provided on a side of the mounting block 131 close to the support rod 141; the foot rod 142 is slidably connected in the connecting groove 143; the foot rod 142 is fixedly connected to the bottom of the connecting groove 143 via a connecting spring 144; a cylindrical groove 145 is provided on a side of the support rod 141 away from the mounting block 131; a cylindrical rod 146 is slidably connected in the cylindrical groove 145; the cylindrical rod 146 is fixedly connected to the bottom of the cylindrical groove 145 via a supporting spring 147; and an electromagnetic sheet 148 is inlaid at the bottom of the cylindrical groove 145.

[0019] As an embodiment of the present invention, the pushing unit includes a pushing plate 161; a cavity 16 connected to the circular groove 111 is opened inside the cross bar 1 close to the rotating rod 11; the pushing plate 161 is slidingly and sealingly connected in the cavity 16; the upper end of the pushing plate 161 is rotatably connected to a screw 162; the screw 162 is spirally connected to the cross bar 1.

[0020] As an embodiment of the present invention, a bellows 163 is sleeved on the surface of the screw rod 162 .

[0021] As an embodiment of the present invention, a mounting groove 17 connected to the card slot 121 is opened inside the U-shaped rod 12; a worm gear ring 171 is rotatably connected to the bottom of the mounting groove 17; the worm gear ring 171 is slidably connected to the protrusion 112; a worm 172 meshing with the worm gear ring 171 is provided on one side of the worm gear ring 171; the worm gear 172 is rotatably connected to the U-shaped rod 12.

[0022] As an embodiment of the present invention, the crossbar 1 is provided with slide grooves 152 on both sides; a clamping block 153 is slidably connected in the slide groove 152; a threaded hole 154 is provided at the lower end of the clamping block 153; the base 15 is threadedly connected in the threaded hole 154; During the excavation of the existing foundation pit, the excavation equipment will inevitably damage the ground around the foundation pit, forming an uneven pit. The uneven ground will cause the railing to be unable to bear the force evenly, thereby reducing its overall stability, that is, the railing does not have enough support points, and there is a risk of the railing collapsing or tipping over. For this reason, it is often necessary to level the ground around the foundation pit, such as filling the pit with concrete and other materials. The solidification of the concrete material takes a certain amount of time, which makes it impossible to install the railing in time, which in turn increases the risk of foundation pit operations. In this regard, the present invention provides support feet 14 so that the upright pole can be inserted into the uneven pit through the support feet 14, so that the support feet 14 can adapt to the small pits on the ground, and the railing can be better fixed around the foundation pit through the support feet 14, so that even in complex ground conditions, the support feet 14 can provide a stable support point for the railing, thereby avoiding the problem of collapse or tipping of the railing. At the same time, there is no need for the user to fill the pit around the foundation pit with concrete, which ensures that the railing can be installed in time, thereby improving the safety of the foundation pit operation, and effectively improving the practical application effect of the present invention; In the initial state, the protrusion 112 is located in the circular groove 111 at the upper end of the rotating rod 11, the connecting tube 13 is located in the circular groove 111 at the lower end of the rotating rod 11, and the clamping groove 121 at the lower end of the U-shaped rod 12 penetrates to the lower end surface of the U-shaped rod 12; when connecting two railings, the user only needs to connect the rotating rod 11 of one railing with the U-shaped rod 12 of the other railing, that is, insert the rotating rod 11 of one railing into the U-shaped groove of the U-shaped rod 12 of the other railing; so that the circular grooves 111 at the upper and lower ends of the rotating rod 11 are aligned with the clamping groove 121 in the U-shaped groove of the U-shaped rod 12 of the other railing, and at this time, the user only needs to rotate the screw rod 162 to rotate the screw rod 162 relative to the cross bar 1 to make the screw rod 162 rotate relative to the cross bar 1 to make the screw rod 162 The screw 162 rotates and enters the cavity 16, so that the push plate 161 in the cavity 16 slides downward along the inner wall of the cavity 16 under the push of the screw 162; because the cavity 16 is filled with hydraulic oil, and the cavity 16 is connected to the circular groove 111, the hydraulic oil in the cavity 16 enters the two circular grooves 111 at the upper and lower ends of the rotating rod 11 under the push of the push plate 161, so that the protrusion 112 located in the circular groove 111 at the upper end of the rotating rod 11 extends out of the circular groove 111 under the push of the hydraulic oil and is inserted into the groove 121 above the U-shaped rod 12 and directly opposite to the circular groove 111; because the gear ring is located in the groove 121, the protrusion 112 inserted into the circular groove 111 will contact the gear ring. If the gear ring and the protrusion 112 are not in an aligned state The worm 172 is in the state, at this time, it is necessary to rotate the worm 172 so that the worm 172 drives the gear ring to rotate until the inner ring wall of the gear ring is aligned with the protrusion 112; then continue to rotate the screw 162, so that the screw 162 pushes the hydraulic oil in the cavity 16 into the circular groove 111 through the pushing plate 161 and pushes the protrusion 112 to insert into the inner ring of the gear ring, so that the worm ring 171 is slidably connected with the protrusion 112; and the connecting cylinder 13 located in the circular groove 111 at the lower end of the rotating rod 11 enters the slot 121 below and directly opposite to the circular groove 111 under the push of the hydraulic oil, so that the rotating rod 11 of one railing is connected with the U-shaped rod 12 of the other railing, so that the two railings are connected; then the user can rotate the worm 172 to make the worm 1 72 can drive the worm gear ring 171 meshing with it to rotate, so that the gear ring can drive the rotating rod 11 to rotate through the protrusion 112 slidably connected with it, and the rotating rod 11 of one railing and the U-shaped rod 12 of the other railing rotate relative to each other, so that the angle between the two railings changes, so that multiple railings can quickly enclose the foundation pit; and at this time, the two railings are V-shaped, so that when the V-shaped railing is placed on the ground, the contact surface between the two connected railings in the V shape and the ground is a triangular bottom edge; this bottom edge helps to improve the stability of the entire structure, reduces the possibility of the two railings tipping over, and ensures that the vertically installed railing can be stably placed on the ground; thereby making it convenient for users to assemble it with other railings;When the assembled handrail surrounds the foundation pit, the user needs to use a concrete drill to drill a hole in the ground through the connecting hole 151 of the base 15, so that the drill hole on the ground is aligned with the connecting hole 151 of the base 15, and then the handrail can be fixed to the ground by using the expansion bolt through the base 15 fixed to the handrail; when there are pits around the foundation pit, it will not only make it difficult to place the handrail directly and stably on the ground, but also make it difficult to drill holes in the pits, so that the handrail cannot be fixed in the pits by the expansion bolts, which will cause the handrail to easily tilt, collapse or move. To this end, the present invention provides a slide groove 152 on both side walls of the cross bar 1, so that the base 15 is slidably connected in the slide groove 152, so that the user can push the base 15 in the slide groove 15 2, so that the base 15 can slide and cross the pit, so that the base 15 can move to the flat area, so that the crossbar 1 of the railing can be fixed on the flat area of ​​the ground through the base 15, thereby realizing the stable installation of the railing and the ground; and the setting of the support foot 14 is that when the vertical pole is located above the pit, the user can control the electromagnetic sheet 148 to energize, so that the electromagnetic sheet 148 can generate a magnetic adsorption force on the columnar rod 146, so that the columnar rod 146 can squeeze the support spring 147 into the columnar groove 145 under the adsorption of the electromagnetic sheet 148; then the user rotates the screw rod 162, so that the screw rod 162 pushes the hydraulic oil in the cavity 16 into the circular groove 111 at the lower end of the rotating rod 11 through the pushing plate 161; because the rotating rod 11 at this time The connecting tube 13 in the circular groove 111 at the lower end extends out of the circular groove 111 and is inserted into the card groove 121. At this time, the friction between the mounting block 131 and the inner wall of the connecting tube 13 is relatively large, so that the mounting block 131 still blocks the hydraulic oil from entering the connecting tube 13. As the hydraulic oil entering the circular groove 111 increases, the hydraulic pressure of the hydraulic oil entering the circular groove 111 increases, so that the hydraulic oil entering the circular groove 111 can push the mounting block 131 in the connecting tube 13 to overcome the friction between it and the inner wall of the connecting tube 13 and push the mounting block 131 out of the connecting tube 13, so that the mounting block 131 drives the support rod 141 and the foot rod 142 to extend out of the connecting tube 13. At this time, the foot rod 142 will first contact the bottom of the pit, so that the foot rod 142 is blocked by the bottom of the pit and squeezed out. The connecting spring 144 in the pressing connecting groove 143 enters the connecting groove 143; until the support rod 141 is completely extended out of the connecting tube 13, the support rod 141 is rotated in the direction away from the foot rod 142 under the action of the torsion spring restoring force, and the electromagnetic sheet 148 is controlled to be de-energized, so that the columnar rod 146 is pushed out of the columnar groove 145 under the push of the restoring force of the supporting spring 147, so that the columnar rod 146 is pressed against the pit wall of the pit under the push of the supporting spring 147, so that the support rod 141 and the foot rod 142 can increase the contact area and support area between the rotating rod 11 and the pit bottom and pit wall of the pit, so that the rotating rod 11 above the pit can also obtain a stable support, thereby improving the stability of the entire railing structure, so that the practicality of the present invention is effectively improved;The reason why the corrugated tube 163 is sleeved on the surface of the screw 162 is to prevent the sand and gravel around the foundation pit from falling into the connection gap between the screw 162 and the cross bar 1 under the blowing of wind, so as to prevent the sand and gravel from being blocked at the spiral transmission connection between the screw 162 and the cross bar 1, so as to ensure that the screw 162 can normally and stably push the push plate 161 to slide in the cavity 16, so that the practicality of the present invention is further improved. ;

[0023] As an embodiment of the present invention, the vertical pole also includes a No. 1 support rod 18 and a No. 2 support rod 19; the No. 1 support rod 18 and the No. 2 support rod 19 are located between the rotating rod 11 and the U-shaped rod 12; the No. 1 support rod 18 is fixedly connected to the rotating rod 11 through the cross bar 1; the No. 2 support rod 19 is connected to the U-shaped rod 12 through the cross bar 1; a slot 181 is provided at one end of the No. 1 support rod 18 away from the rotating rod 11; an insertion rod 191 is fixedly connected to one end of the No. 2 support rod 19 away from the U-shaped rod 12; the insertion rod 191 is slidably connected in the slot 181.

[0024] As an embodiment of the present invention, a fixing groove 182 communicating with the slot 181 is provided on one side of the No. 1 support rod 18; a screw rod 183 is spirally connected in the fixing groove 182; and a rubber block 192 is rotatably connected to one end of the screw rod 183 close to the insertion rod 191; During work, due to the different sizes or lengths of the foundation pits under construction, if the length of the foundation pit is long, it is necessary to increase the number of railings installed in the length direction, which leads to an increase in the number of railings to be assembled and carried, greatly reducing the enclosure rate of the foundation pit. In this regard, the present invention sets a No. 1 support rod 18 and a No. 2 support rod 19, so that the No. 2 support rod 19 is inserted into the slot 181 of the No. 1 support rod 18 through the insertion rod 191, so that by pulling the No. 2 support rod 19 to slide in the No. 1 support rod 18, the distance between the rotating rod 11 and the U-shaped rod 12 can be adjusted to achieve the adjustment of the length of the railing, thereby reducing the number of railings installed, greatly improving the assembly rate of the railings and the enclosure rate of the foundation pit. In addition, at different stages of the foundation pit construction, the user can temporarily adjust the length and position of the fence as needed; without adding, reducing or replacing the railings, thereby quickly completing the edge protection operation and ensuring the safety of the construction site; When it is necessary to adjust the length of the handrail, the user only needs to rotate the screw rod 183 so that the screw rod 183 spirally rotates and extends out of the fixed groove 182, so that the screw rod 183 drives the rubber block 192 away from the plug rod 191, so that the rubber block 192 is no longer in contact with the plug rod 191, and the user can pull the plug rod 191 to slide in the slot 181, so as to adjust the distance between the No. 1 support rod 18 and the No. 2 support rod 19; when the distance between the No. 1 support rod 18 and the No. 2 support rod 19 is adjusted, the screw rod 183 is rotated in the opposite direction so that the screw rod 183 spirally rotates and enters the fixed groove 182, so that the screw rod 183 pushes the rubber block 192 close to the plug rod 191, so that the rubber block 192 first contacts with the plug rod 191, and the screw rod 183 is continued to be rotated. The screw rod 183 rotates relative to the rubber block 192 and pushes the rubber block 192 to fit tightly against the plug rod 191. Since the rubber block 192 is made of fluororubber material, the rubber block 192 not only has good elasticity but also has a high friction coefficient. The rubber block 192 is pushed by the screw rod 183 and attached to the plug rod 191. The rubber block 192 is squeezed by the screw rod 183 and deformed, thereby increasing the contact area between the elastically deformed rubber block 192 and the plug rod 191, and increasing the friction between the rubber block 192 and the plug rod 191. The rubber block 192 can fix the plug rod 191 in the slot 181 through friction, thereby adjusting the length of the railing, thereby effectively improving the practicality of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An assembled railing for edge construction of a steel structure, comprising a crossbar (1), with vertical rods installed at both ends of the crossbar (1), characterized in that: The vertical rod comprises a rotating rod (11) and a U-shaped rod (12); the inner wall of the U-shaped groove of the U-shaped rod (12) is provided with two opposite grooves (121); the upper and lower ends of the rotating rod (11) are provided with circular grooves (111); a convex block (112) is slidably and sealably connected in the circular groove (111) at the upper end of the rotating rod (11); a connecting tube (13) is slidably and sealably connected in the circular groove (111) at the lower end of the rotating rod (11); a mounting block (131) is slidably and sealably connected in the connecting tube (13); a support foot (14) is installed at one end of the mounting block (131) away from the bottom of the connecting tube (13); a base (15) is installed between the rotating rod (11) and the U-shaped rod (12); a connecting hole (151) is provided at the upper end of the base (15); A pushing unit is installed inside the crossbar (1); the pushing unit is used to push the protrusions (112) and the connecting tube (13) in the two circular grooves (111) to extend out of the circular grooves (111).

2. The steel structure construction edge assembly railing according to claim 1, characterized in that: The support foot (14) comprises a support rod (141) and a foot rod (142); the support rod (141) is rotatably connected to the mounting block (131) via a torsion spring; a connecting groove (143) is provided on a side of the mounting block (131) close to the support rod (141); the foot rod (142) is slidably connected in the connecting groove (143); the foot rod (142) is fixedly connected to the bottom of the connecting groove (143) via a connecting spring (144); a columnar groove (145) is provided on a side of the support rod (141) away from the mounting block (131); a columnar rod (146) is slidably connected in the columnar groove (145); the columnar rod (146) is fixedly connected to the bottom of the columnar groove (145) via a supporting spring (147); and an electromagnetic sheet (148) is inlaid at the bottom of the columnar groove (145).

3. The steel structure construction edge assembly railing according to claim 2, characterized in that: The pushing unit comprises a pushing plate (161); a cavity (16) communicating with the circular groove (111) is provided inside the cross bar (1) close to the rotating rod (11); the pushing plate (161) is slidingly and sealingly connected in the cavity (16); a screw rod (162) is rotatably connected to the upper end of the pushing plate (161); and the screw rod (162) is connected to the cross bar (1) in a helical transmission manner.

4. The steel structure construction edge assembly railing according to claim 3, characterized in that: The surface of the screw rod (162) is sleeved with a bellows (163).

5. The steel structure construction edge assembly railing according to claim 4, characterized in that: The U-shaped rod (12) is provided with a mounting groove (17) in communication with the clamping groove (121); a worm wheel ring (171) is rotatably connected to the bottom of the mounting groove (17); the worm wheel ring (171) is slidably connected to the protrusion (112); a worm (172) meshingly driven with the worm wheel ring (171) is provided on one side of the worm wheel ring (171); the worm wheel (172) is rotatably connected to the U-shaped rod (12).

6. The steel structure construction edge assembly railing according to claim 5, characterized in that: Slide grooves (152) are provided on both sides of the crossbar (1); a clamping block (153) is slidably connected in the slide groove (152); a threaded hole (154) is provided at the lower end of the clamping block (153); and the base (15) is threadedly connected in the threaded hole (154).

7. The steel structure construction edge assembly railing according to claim 6, characterized in that: The vertical rod further comprises a No. 1 support rod (18) and a No. 2 support rod (19); the No. 1 support rod (18) and the No. 2 support rod (19) are located between the rotating rod (11) and the U-shaped rod (12); the No. 1 support rod (18) is fixedly connected to the rotating rod (11) via a cross bar (1); the No. 2 support rod (19) is connected to the U-shaped rod (12) via a cross bar (1); a slot (181) is provided at one end of the No. 1 support rod (18) away from the rotating rod (11); an insertion rod (191) is fixedly connected to one end of the No. 2 support rod (19) away from the U-shaped rod (12); the insertion rod (191) is slidably connected in the slot (181).

8. The steel structure construction edge assembly railing according to claim 7, characterized in that: A fixing groove (182) communicating with the slot (181) is provided on one side of the No. 1 support rod (18); a screw rod (183) is spirally connected in the fixing groove (182); and a rubber block (192) is rotatably connected to one end of the screw rod (183) close to the insertion rod (191).

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