CN109779386B

CN109779386B - Stretchable folding type edge-facing protective railing

Info

Publication number: CN109779386B
Application number: CN201910114944.4A
Authority: CN
Inventors: 祝晶晶; 郭生南; 王岚琪; 罗雯雯; 郭阳明
Original assignee: Jiujiang Vocational and Technical College
Current assignee: Jiujiang Vocational and Technical College
Priority date: 2019-02-14
Filing date: 2019-02-14
Publication date: 2020-10-16
Anticipated expiration: 2039-02-14
Also published as: CN109779386A

Abstract

The utility model provides a foldable facing limit guardrail bar of can stretching, includes multiunit composite unit, and every composite unit all includes two violently pipes, and first horizontal pole is all inserted at the both ends of violently managing, and two violently set up from top to bottom violently, are equipped with vertical first threaded rod between two horizontal poles, and the upper and lower both ends of first threaded rod all cooperate suit internal thread pipe, and the upper end of the internal thread pipe on upper portion is with the violently pipe bottom fixed connection on upper portion, and the internal thread pipe lower extreme of lower part is with the violently pipe top fixed connection of. The combined unit can be folded after being contracted when not in use, is convenient to store, can be quickly installed and used after being pulled after being taken out and opened when in use, does not need to consume a large amount of time and manpower for temporary assembly when in use, can meet the requirements of near-edge protection of buildings with different length spaces, and can change the angle between adjacent combined units according to actual requirements, thereby changing the extending direction of the combined unit.

Description

Stretchable folding type edge-facing protective railing

Technical Field

The invention belongs to the technical field of protective railings, and particularly relates to a stretchable and foldable type near-edge protective railing.

Background

Most of the protective railings used for building edge protection are iron railing structures, and the wire mesh portable protective railings are also provided with wire mesh connecting and fixing columns. The guard rail with the iron railing structure is too heavy, so that the guard rail is not convenient to carry and transport, the space occupancy rate is high after the guard rail is disassembled, and the secondary assembly is complex. The portable steel guardrail silk screen of silk screen is easy damaged, easily twines, and life is limited, is not convenient for install fast, is difficult to realize that the shrink is folded and is deposited.

Disclosure of Invention

The invention provides a stretchable and foldable type limb protective rail, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a stretchable and foldable edge-facing protective railing comprises a plurality of groups of combined units, each combined unit comprises two transverse pipes, first transverse rods are inserted into the two ends of each transverse pipe, the two transverse pipes are arranged up and down, a vertical first threaded rod is arranged between the two transverse pipes, the upper end and the lower end of each first threaded rod are matched and sleeved with an internal threaded pipe, the upper end of each internal threaded pipe at the upper part is fixedly connected with the bottom of the corresponding transverse pipe at the upper part, the lower end of each internal threaded pipe at the lower part is fixedly connected with the top of the corresponding transverse pipe at the lower part, first through holes are formed in the positions where the transverse pipes are connected with the internal threaded pipes, first telescopic shafts are arranged in the first through holes, fixed rods of the first telescopic shafts are movably connected with corresponding first through hole bearings, the ends of movable rods of the first telescopic shafts are fixedly connected with the ends corresponding to the first threaded rods, first bevel gears are fixedly arranged at the, the inner parts of the two ends of the transverse pipe are respectively provided with a transverse second threaded rod, the outer end of each second threaded rod is in threaded fit with the corresponding threaded hole, a second bevel gear is fixedly arranged at the inner end of each second threaded rod, the second bevel gears are in meshed fit with the corresponding first bevel gears, the positions, close to the inner ends, of the second threaded rods are sleeved with positioning sleeves through bearings, the side parts of the positioning sleeves are fixedly connected with the inner walls of the corresponding transverse pipes through connecting blocks, a first vertical pipe is arranged between the outer ends of two first transverse rods positioned on the same side, the two ends of the first vertical pipe are respectively inserted into the second vertical pipes in a matched manner, the outer end side parts of the second vertical pipes are fixedly connected with the outer ends of the corresponding first transverse rods, a transverse plate is fixedly arranged in the middle of each first vertical pipe, the inner ends of the second vertical pipes are fixedly connected with the corresponding transverse plates through first springs, the upper ends of the, and the side parts of the two third vertical pipes arranged at the adjacent ends of the two adjacent combination units are fixedly connected through a transverse connecting rod, and the included angle between the two adjacent combination units is alpha.

According to the stretchable and foldable type edge protection guardrail, the lower portion of each second vertical pipe is provided with the U-shaped rod, the upper ends of the U-shaped rods are inserted into the two corresponding second vertical pipes at the adjacent ends of the two adjacent combination units, and the upper ends of the U-shaped rods are movably connected with the corresponding second vertical pipes through the bearings.

As above a foldable facing limit protection railing of stretching, the third standpipe in all be equipped with vertical second telescopic shaft, the lower extreme of second telescopic shaft and the diaphragm fixed connection that corresponds, the upper end fixed mounting plectane of second telescopic shaft, the bottom of plectane is close to periphery department and the third standpipe top surface that corresponds through several evenly distributed's second spring fixed connection, the jack that the several used third standpipe axis as central evenly distributed is seted up to third standpipe top surface, plectane bottom fixed mounting several evenly distributed's inserted bar, the inserted bar can insert inside the jack that corresponds.

According to the stretchable and foldable edge-facing protective railing, the vertical long grooves are formed in the inner wall of the first vertical pipe, the positioning blocks are fixedly mounted on the side portions of the inner end of the second vertical pipe, and the positioning blocks are inserted into the corresponding long grooves.

According to the stretchable and foldable edge-facing protective railing, the middle of the first threaded rod is sleeved with the circular ring through the bearing, and the side part of the circular ring is fixedly connected with the side part of the first vertical pipe through the transverse telescopic rod.

According to the stretchable and foldable edge-facing protective railing, the second through hole is formed in the middle of the first threaded rod.

According to the stretchable and foldable edge-facing protective railing, the bottom of the U-shaped rod is provided with the mounting hole.

The invention has the advantages that: the invention can be conveniently stretched and folded, can be quickly installed to be used as a temporary guardrail, can change the included angle between two adjacent combination units to be alpha by rotating the third vertical pipe in the corresponding second vertical pipe, thereby realizing the folding and the opening of a plurality of combination units, when the invention is needed to be used, after the invention is opened, a plurality of first threaded rods are simultaneously rotated, the internal threaded pipe moves towards the direction of the outer end of the corresponding first threaded rod under the thread matching, the internal threaded pipe drives the corresponding transverse pipe to move, the first transverse rod moves along with the internal threaded pipe, the first transverse rod drives the corresponding second vertical pipe to extend out from the corresponding first vertical pipe, meanwhile, the first telescopic shaft is lengthened, the first telescopic shaft rotates along with the corresponding first threaded rod, the first telescopic shaft drives the corresponding second threaded rod to rotate through the meshing matching of the first bevel gear and the second bevel gear, the first transverse rod moves towards the outer end of the corresponding second threaded rod under the thread matching, the first cross rod pushes the corresponding second vertical pipe to move in the direction far away from the first threaded rod, the first vertical pipe moves along with the first vertical pipe, the distance between the two transverse pipes and the distance between the two first vertical pipes in each group of combined units can be simultaneously enlarged through the process, stretching is realized, the distance between the two transverse pipes and the distance between the two first vertical pipes in each group of combined units can be simultaneously reduced by reversing the first threaded rod, contraction is realized, stretching and contraction of the invention can be realized through the design, a plurality of combined units can be folded in a Z shape, the combined units can be folded after being contracted when not in use, the combined units are convenient to store, can be quickly installed and used after being stretched after being taken out and opened when in use, a large amount of time and manpower are not needed to be consumed for temporary assembly when in use, the adjacent edge protection of buildings in different length spaces can be met, and the angle between the adjacent combined units can be changed according to actual needs, thereby changing the extending direction of the present invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a portion I of FIG. 1; FIG. 3 is a partial enlarged view of section II of FIG. 1; FIG. 4 is an enlarged view of the view of FIG. 1 from the direction A; fig. 5 is a partially enlarged view of the portion iii in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A stretchable and foldable edge protection guardrail comprises a plurality of groups of combined units, each combined unit comprises two transverse pipes 1, two ends of each transverse pipe 1 are inserted into first transverse rods 2, the two transverse pipes 1 are arranged up and down, a vertical first threaded rod 3 is arranged between the two transverse pipes 1, the upper end and the lower end of each first threaded rod 3 are matched with and sleeved with an internal threaded pipe 4, the upper end of the internal threaded pipe 4 at the upper part is fixedly connected with the bottom of the transverse pipe 1 at the upper part, the lower end of the internal threaded pipe 4 at the lower part is fixedly connected with the top of the transverse pipe 1 at the lower part, first through holes 5 are arranged at the positions where the transverse pipes 1 are connected with the internal threaded pipes 4, first telescopic shafts 6 are arranged in the first through holes 5, fixed rods of the first telescopic shafts 6 are movably connected with corresponding bearings of the first through holes 5, the ends of the movable rods of the first telescopic shafts 6 are fixedly connected with the corresponding ends of the first threaded rods 3, and first bevel, threaded holes 8 are respectively formed in the inner end surfaces of the first cross rods 2, transverse second threaded rods 9 are respectively arranged inside the two ends of each transverse pipe 1, the outer ends of the second threaded rods 9 are in threaded fit with the corresponding threaded holes 8, second bevel gears 10 are fixedly installed at the inner ends of the second threaded rods 9, the second bevel gears 10 are in meshed fit with the corresponding first bevel gears 7, positioning sleeves 11 are sleeved at the positions, close to the inner ends, of the second threaded rods 9 through bearings, the side portions of the positioning sleeves 11 are fixedly connected with the inner walls of the corresponding transverse pipes 1 through connecting blocks, first vertical pipes 12 are respectively arranged between the outer ends of the two first cross rods 2 positioned on the same side, the two ends of each first vertical pipe 12 are respectively inserted into the corresponding second vertical pipes 13 in a matched mode, the side portions of the outer ends of the second vertical pipes 13 are fixedly connected with the outer ends of the corresponding first cross rods 2, transverse plates 14 are fixedly installed in the middle portions of the first vertical, the upper ends of the upper second vertical pipes 13 are inserted into the third vertical pipes 16, the third vertical pipes 16 are movably connected with the corresponding second vertical pipes 13 through bearings, the side parts of the two third vertical pipes 16 arranged at the adjacent ends of the two adjacent combination units are fixedly connected through transverse connecting rods 17, and the included angle between the two adjacent combination units is alpha. The invention can be conveniently stretched and folded, can be quickly installed to be used as a temporary guardrail, can change the included angle between two adjacent combination units into alpha by rotating the third vertical pipe 16 in the corresponding second vertical pipe 13, thereby realizing the folding and the opening of a plurality of combination units, when the invention is needed to be used, after the invention is opened, a plurality of first threaded rods 3 are simultaneously rotated, the internal threaded pipe 4 moves towards the direction of the outer end of the corresponding first threaded rod 3 under the thread fit, the internal threaded pipe 4 drives the corresponding transverse pipe 1 to move, the first cross rod 2 moves along with the movement, the first cross rod 2 drives the corresponding second vertical pipe 13 to extend out of the corresponding first vertical pipe 12, meanwhile, the first telescopic shaft 6 is lengthened, the first telescopic shaft 6 rotates along with the corresponding first threaded rod 3, the first telescopic shaft 6 drives the corresponding second threaded rod 9 to rotate through the meshing fit of the first bevel gear 7 and the second bevel gear 10, under the thread matching, the first cross rod 2 moves towards the outer end direction of the corresponding second threaded rod 9, the first cross rod 2 pushes the corresponding second vertical pipe 13 to move towards the direction far away from the first threaded rod 3, the first vertical pipe 12 moves along with the first threaded rod, the distance between the two transverse pipes 1 and the distance between the two first vertical pipes 12 in each group of combination units can be simultaneously expanded through the process to realize stretching, the distance between the two transverse pipes 1 and the distance between the two first vertical pipes 12 in each group of combination units can be simultaneously reduced by reversing the first threaded rod 3 to realize shrinking, the stretching and shrinking of the invention can be realized through the design, a plurality of combination units of the invention can be folded in a Z shape, the invention can be folded after being retracted when not used, is convenient to store, can be rapidly installed and used after being taken out and unfolded when used, does not need to consume a large amount of time and manpower for temporary assembly when in use, the invention can meet the requirements of the near-edge protection of buildings with spaces of different lengths, and can change the angle between adjacent combined units according to the actual requirement, thereby changing the extension direction of the invention.

Specifically, as shown in the drawings, the lower portion of the second vertical pipe 13 according to the present embodiment is provided with a U-shaped rod 18, the upper end of the U-shaped rod 18 is inserted into two corresponding second vertical pipes 13 at the adjacent ends of two adjacent combination units, and the upper end of the U-shaped rod 18 is movably connected with the corresponding second vertical pipes 13 through bearings. Through the design, the connection stability of the adjacent end parts of the two adjacent combination units can be improved, and the structural strength of the invention is improved.

Specifically, as shown in the figure, this embodiment the third standpipe 16 in all be equipped with vertical second telescopic shaft 21, the lower extreme of second telescopic shaft 21 and the diaphragm 14 fixed connection that corresponds, the upper end fixed mounting plectane 22 of second telescopic shaft 21, the bottom of plectane 22 is close to periphery department and the 16 top surfaces of third standpipe that correspond through the second spring 23 fixed connection of several evenly distributed, the jack 24 that the several used third standpipe 16 axis to be central evenly distributed is seted up to the 16 top surfaces of third standpipe, the inserted bar 25 of plectane 22 bottom fixed mounting several evenly distributed, inserted bar 25 can insert inside the jack 24 that corresponds. The second vertical pipe 13 extends out from the corresponding first vertical pipe 12, the second telescopic shaft 21 is simultaneously stretched, when the second telescopic shaft 21 is stretched to the limit, the second vertical pipe 13 continues to extend, the second spring 23 is compressed, then the inserting rod 25 is inserted into the corresponding inserting hole 24, at the moment, the third vertical pipe 16 is fixed and cannot rotate, at the moment, the included angle between two adjacent combination units is fixed, the included angle between two adjacent combination units is adjusted according to the actual situation before the fixation, the edge of an area needing to be protected in actual use can be conveniently adjusted through the design, the adjusted bending angle of the protection guardrail can be automatically fixed, and the stability of the protection guardrail is improved.

Further, as shown in the figure, the inner wall of the first vertical pipe 12 of the present embodiment is provided with a vertical long groove 19, the inner side portion of the second vertical pipe 13 is fixedly provided with a positioning block 20, and the positioning block 20 is inserted into the corresponding long groove 19. By this design, the second standpipe 13 can be prevented from being completely pulled out from the end of the first standpipe 12, and the connection stability between the second standpipe 13 and the first standpipe 12 can be improved.

Furthermore, as shown in the drawings, the middle of the first threaded rod 3 according to the embodiment is sleeved with a circular ring 26 through a bearing, and the side of the circular ring 26 and the side of the first vertical pipe 12 are fixedly connected through a transverse telescopic rod 27. The telescopic rod 27 can improve the installation stability of the first vertical pipe 12 and improve the overall strength of the invention.

Furthermore, as shown in the figure, a second through hole 28 is formed in the middle of the first threaded rod 3 according to the embodiment. The user can use a lever-like tool to insert into the second through-hole 28, facilitating the rotation of the first threaded bar 3.

Further, as shown in the drawings, the bottom of the U-shaped rod 18 of the present embodiment is provided with a mounting hole 29. The invention is convenient to be connected with the ground through tools such as rivets or expansion bolts through the mounting holes, and the invention is convenient to mount.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a foldable facing limit guardrail bar of can stretching which characterized in that: comprises a plurality of groups of combined units, each combined unit comprises two transverse pipes (1), first transverse rods (2) are inserted into the two ends of the transverse pipes (1), the two transverse pipes (1) are arranged up and down, a vertical first threaded rod (3) is arranged between the two transverse pipes (1), the upper end and the lower end of the first threaded rod (3) are matched with and sleeved with an internal threaded pipe (4), the upper end of the internal threaded pipe (4) at the upper part is fixedly connected with the bottom of the transverse pipe (1) at the upper part, the lower end of the internal threaded pipe (4) at the lower part is fixedly connected with the top of the transverse pipe (1) at the lower part, first through holes (5) are arranged at the positions where the transverse pipes (1) are connected with the internal threaded pipe (4), first telescopic shafts (6) are arranged in the first through holes (5), fixed rods of the first telescopic shafts (6) are movably connected with the corresponding first through holes (5) through bearings, the ends of the movable rods of the, a first bevel gear (7) is fixedly arranged at one end of a first telescopic shaft (6) positioned in a transverse pipe (1), threaded holes (8) are formed in the inner end face of each first cross rod (2), transverse second threaded rods (9) are arranged inside two ends of the transverse pipe (1), the outer ends of the second threaded rods (9) are in threaded fit with the corresponding threaded holes (8), a second bevel gear (10) is fixedly arranged at the inner end of each second threaded rod (9), the second bevel gears (10) are in meshed fit with the corresponding first bevel gears (7), a positioning sleeve (11) is sleeved at the position, close to the inner end, of each second threaded rod (9) through a bearing, the side part of each positioning sleeve (11) is fixedly connected with the inner wall of the corresponding transverse pipe (1) through a connecting block, a first vertical pipe (12) is arranged between the outer ends of two first cross rods (2) positioned on the same side, and two ends of each first vertical pipe (12) are matched, the lateral part of the outer end of the second vertical pipe (13) is fixedly connected with the outer end of the corresponding first cross rod (2), the transverse plate (14) is fixedly arranged in the middle of the first vertical pipe (12), the inner end of the second vertical pipe (13) is fixedly connected with the corresponding transverse plate (14) through a first spring (15), the upper end of the second vertical pipe (13) at the upper part is inserted into a third vertical pipe (16), the third vertical pipe (16) is movably connected with the corresponding second vertical pipe (13) through a bearing, the lateral parts of the two third vertical pipes (16) arranged at the adjacent end parts of the two adjacent combination units are fixedly connected through a transverse connecting rod (17), the included angle between the two adjacent combination units is alpha, the lower part of the second vertical pipe (13) is provided with a U-shaped rod (18), the upper end of the U-shaped rod (18) is inserted into the two corresponding second vertical pipes (13) at the adjacent end parts of the two adjacent combination units, the upper end of U type pole (18) and corresponding second standpipe (13) are inside to pass through bearing swing joint, all be equipped with vertical second telescopic shaft (21) in third standpipe (16), the lower extreme and the diaphragm (14) fixed connection that corresponds of second telescopic shaft (21), the upper end fixed mounting plectane (22) of second telescopic shaft (21), the bottom of plectane (22) is close to periphery department and the third standpipe (16) top surface that corresponds through several evenly distributed's second spring (23) fixed connection, jack (24) that the several used third standpipe (16) axis as center evenly distributed are seted up to third standpipe (16) top surface, inserted bar (25) of plectane (22) bottom fixed mounting several evenly distributed, inside corresponding jack (24) can be inserted in inserted bar (25).

2. A stretch foldable edge guard rail according to claim 1, wherein: vertical long strip grooves (19) are formed in the inner wall of the first vertical pipe (12), positioning blocks (20) are fixedly mounted on the inner end side portions of the second vertical pipe (13), and the positioning blocks (20) are inserted into the corresponding long strip grooves (19).

3. A stretch foldable edge guard rail according to claim 1, wherein: the middle of the first threaded rod (3) is sleeved with a circular ring (26) through a bearing, and the side part of the circular ring (26) is fixedly connected with the side part of the first vertical pipe (12) through a transverse telescopic rod (27).

4. A stretch foldable edge guard rail according to claim 1, wherein: and a second through hole (28) is formed in the middle of the first threaded rod (3).

5. A stretch foldable edge guard rail according to claim 1, wherein: the bottom of the U-shaped rod (18) is provided with a mounting hole (29).