CN210768128U

CN210768128U - Square pipe guardrail convenient to dismouting

Info

Publication number: CN210768128U
Application number: CN201921183069.7U
Authority: CN
Inventors: 何元洪
Original assignee: Hangzhou Hongda Power Tower Manufacturing Co Ltd
Current assignee: Hangzhou Hongda Power Tower Manufacturing Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-16
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a side's pipe guardrail convenient to dismouting, including support side's pipe one, support side's pipe two and keep off the frame, support side's pipe one and support side's pipe two and correspond the setting, and support side's pipe one and support side and manage two on equal sliding connection folding support mechanism to guarantee the stability of side's pipe guardrail, support side's pipe corresponds on the lateral wall and set up the picture peg, support side's pipe two corresponding picture pegs on the lateral wall and set up the jack, and perpendicular jack axis direction sets up locking Assembly on this support side's pipe two back lateral walls, the structure of picture peg cooperatees with the structure of jack, and this picture peg passes the jack and extends to support side's pipe two in to lock it in support side's pipe two by locking Assembly, in order to realize the. The utility model discloses a this side's pipe guardrail can improve side's pipe guardrail in the stability of placing of construction department, whole easy dismounting, the transportation of being convenient for, and also reliable assembly connection of ability between adjacent side's pipe guardrail.

Description

Square pipe guardrail convenient to dismouting

Technical Field

The utility model relates to a rail guard technical field for the construction especially relates to a side's pipe guardrail convenient to dismouting.

Background

The square pipe guardrail for building construction is a device for protecting construction positions in the building construction process, and can effectively prevent non-construction personnel or external motor vehicles and the like from entering the construction positions mistakenly to cause interference to the construction process. However, the existing square tube guardrail has the following problems in the actual use process:

1) most of the existing square tube guardrail structures are easy to topple in windy weather and poor in stability, and meanwhile, the supporting structures of some square tube guardrails can reduce the toppling problem, but due to the fixed structures, the supporting structures need to occupy larger space during transportation, so that the transportation is difficult;

2) be mostly welded structure between each part of side's pipe guardrail, not only the dismouting is inconvenient, and is comparatively difficult to the change of impaired piece moreover.

Therefore, in order to meet the actual application requirements of the department, the structure of the square pipe guardrail is improved correspondingly.

Disclosure of Invention

The utility model discloses a main aim at solves the problem that exists among the prior art, provides one kind and can improve square pipe guardrail in the stability of placing of construction department, whole easy dismounting, the transportation of being convenient for, and also can reliably assemble the square pipe guardrail of the dismouting of being convenient for of connection between adjacent square pipe guardrail.

In order to solve the technical problem, the utility model discloses a technical scheme is: square pipe guardrail convenient to dismouting, wherein square pipe guardrail convenient to dismouting is including supporting square pipe one, supporting square pipe two and keep off the frame, supporting square pipe one and supporting square pipe two correspond the setting, and support square pipe one and support square pipe two on but equal sliding connection folding support mechanism to guarantee square pipe guardrail's stability, support square pipe one lateral wall is last to correspond and to set up the picture peg, support square pipe two lateral wall is last to correspond the picture peg and to set up the jack, and should support square pipe two back lateral walls on perpendicular jack axis direction and set up locking Assembly, the structure of picture peg cooperatees with the structure of jack, and this picture peg passes the jack and extends to supporting square pipe two in to by locking Assembly with its locking in supporting square pipe two, in order to realize the connection of adjacent two sets of square pipe guardrails.

Furthermore, the foldable support mechanism comprises an I-shaped sliding block, a foldable support rod piece, a bottom plate and a push-pull handle, sliding grooves are formed in the first support square pipe and the second support square pipe respectively, the I-shaped sliding block is matched and slides through the sliding grooves, the front end and the rear end of the I-shaped sliding block are hinged to the starting ends of a group of foldable support rod pieces respectively, the tail end of the foldable support rod piece is hinged to the bottom end of the first support square pipe or the bottom end of the second support square pipe, the bottom plate is connected to the foldable support rod piece, the push-pull handle is connected to the rear end of the I-shaped sliding block, and the I-shaped sliding block is pushed and pulled by the push-pull handle.

Furthermore, the folding support rod piece comprises a first support rod and a second support rod, the initial end of the first support rod is hinged to the I-shaped sliding block, the tail end of the first support rod is hinged to the initial end of the second support rod, the tail end of the second support rod is hinged to the bottom end of the first support square pipe or the bottom end of the second support square pipe, and the second support rod is connected with a bottom plate.

Furthermore, the side of spout is a gag lever post of threaded connection still, the gag lever post is used for injecing the position of I shape slider, guarantees that folding support member spare is good to contract.

Further, keep off the frame and set up to including connecting the pipe fitting, connecting the pipe fitting down and keeping off the pipe, go up and connect the pipe fitting and connect the multiunit of equipartition between the pipe fitting down and keep off the pipe.

Further, go up connecting pipe fitting, connecting pipe fitting and fender pipe down and all set up to square pipe, it connects support side's pipe one or support side's pipe two through the connecting block to keep off the pipe.

Further, go up connecting tube spare and lower connecting tube spare and all set up to including U style of calligraphy crossbeam and back plate, U style of calligraphy crossbeam is connected through the bolt with the back plate and forms side tubular construction, set up spacing subassembly on the back plate, support side pipe one and support side pipe two and all set up spacing inserted sheet on being close to the lateral wall of U style of calligraphy crossbeam, spacing inserted sheet cooperatees and inserts and locate U style of calligraphy crossbeam both ends to it is spacing through spacing subassembly locking, it sets up spacing scarce groove with the corresponding equipartition on the U style of calligraphy crossbeam roof of connecting tube spare down to go up the U style of calligraphy crossbeam diapire of connecting tube spare, spacing scarce inslot is middle-phase cooperation and is inserted and establish the fender pipe to make things convenient for the dismouting of fender pipe in last connecting tube spare and lower.

Furthermore, a drainage groove is formed in the bottom wall of the U-shaped cross beam of the lower connecting pipe fitting.

Further, locking Assembly sets up to including inserted bar and spring, the inserted bar passes two rear side walls in support side's pipe perpendicularly, and the cover establishes the spring on this inserted bar, the one end of spring is fixed in on the inserted bar, and the other end of this spring is fixed in on two rear side walls in support side's pipe.

Further, the limiting assembly can be arranged as a limiting bolt.

Further, spacing subassembly can set up to including inserted bar and spring, the inserted bar passes the back plate perpendicularly, and the cover establishes the spring on this inserted bar, the one end of spring is fixed in on the inserted bar, and the other end of this spring is fixed in on the back plate rear side wall.

The utility model has the advantages and positive effects that:

(1) through the cooperation of the supporting square pipe I, the supporting square pipe II and the blocking frame, the protection of the building construction process can be realized, and the foldable supporting mechanism assists in ensuring the overall placing stability of the square pipe guardrail at the construction position, and meanwhile, the foldable square pipe guardrail can effectively reduce the occupied space and is convenient for the transportation of the whole square pipe guardrail.

(2) The I-shaped sliding block is pushed to move downwards along the sliding groove through the push-pull handle, the folding supporting rod piece hinged to the folding supporting rod piece is unfolded towards the direction far away from the supporting square pipe I or the supporting square pipe II until the bottom plate is flush with the bottom end of the supporting square pipe I or the bottom end of the supporting square pipe II, so that the foldable supporting mechanism and the bottom end of the supporting square pipe I or the bottom end of the supporting square pipe II form a triangular supporting structure, the problem that the square pipe guardrail is prone to toppling in windy weather is solved, the I-shaped sliding block is pulled to move upwards along the sliding groove through the push-pull handle, the folding supporting rod piece hinged to the folding supporting rod piece shrinks towards the direction close to the supporting square pipe I or the supporting square pipe II until the folding supporting rod piece.

(3) Through the locking structure that inserted bar and spring formed, when can be when the picture peg on the square pipe of support one is inserted by the jack on the square pipe of support two, the pulling inserted bar shifts out the lateral wall behind the square pipe of support two, and insert the connection back between them, release inserted bar, make the inserted bar under spring elastic force's supplementary, pass the lateral wall behind the square pipe of support two and insert and locate in the picture peg, thereby realize the locking connection of square pipe one and square pipe two of support, easy dismounting, and when effectively having reduced the current guardrail connection of two sets of adjacent square pipes through locking bolt, the problem that locking bolt easily loses.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention (in which the foldable support mechanism is in an unfolded state).

Fig. 2 is another direction structure diagram of fig. 1.

Fig. 3 is a schematic view of a connection structure of two adjacent sets of square pipe guardrails in an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a third embodiment of the present invention (in which the foldable support mechanism is in an unfolded state).

Fig. 5 is a schematic bottom view of the structure of fig. 4.

Fig. 6 is a schematic view of the structure of fig. 4 with the back plate and the spacing assembly removed.

Fig. 7 is a schematic view of a connection structure of two adjacent sets of square pipe guardrails in the third embodiment of the present invention.

In the figure: the device comprises a first supporting square pipe 10, a second supporting square pipe 20, a blocking frame 30, an upper connecting pipe fitting 301, a U-shaped cross beam 3011, a back plate 3012, a limiting component 3013, a limiting insertion piece 3014, a limiting notch 3015, a drainage groove 3016, a lower connecting pipe fitting 302, a blocking pipe 303, a foldable supporting mechanism 40, an I-shaped sliding block 401, a foldable supporting rod piece 402, a first supporting rod 4021, a second supporting rod 4022, a bottom plate 403, a push-pull handle 404, a sliding groove 405, a limiting rod 406, an inserting plate 50, an inserting hole 60, a locking component 70, an inserting rod 701 and a spring 702.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example one

As shown in fig. 1 to 3, the square pipe guardrail convenient for disassembly and assembly comprises a first supporting square pipe 10, a second supporting square pipe 20 and a blocking frame 30, wherein the first supporting square pipe 10 and the second supporting square pipe 20 are arranged correspondingly, and the first supporting square pipe 10 and the second supporting square pipe 20 are both connected with a foldable supporting mechanism 40 in a sliding manner so as to ensure the stability of the square pipe guardrail, an inserting plate 50 is correspondingly arranged on the outer side wall of the first supporting square pipe 10, an inserting hole 60 is formed on the outer side wall of the second supporting square pipe 20 corresponding to the inserting plate 50, a locking component 70 is arranged on the rear side wall of the second supporting square pipe 20 perpendicular to the axial direction of the inserting hole 60, the structure of the inserting plate 50 is matched with the structure of the inserting hole 60, the inserting plate 50 passes through the inserting hole 60 and extends into the second supporting square pipe 20, and is locked in the second supporting square pipe 20 by the locking component 70 so as to realize the connection, can realize building construction process's protection, but collapsible supporting mechanism 40, then supplementary the whole stability of placing in construction department of square pipe guardrail of having guaranteed, simultaneously, because it is collapsible, so can effectively reduce the space and occupy, make things convenient for the holistic transportation of square pipe guardrail, in addition, picture peg 50, jack 60 and locking Assembly 70's structural design for the dismouting between square pipe guardrail is connected simply reliably.

Specifically, the outer side wall of the first supporting square pipe 10 can be welded with the fixed inserting plates 50, and the inserting plates 50 are arranged into an upper group and a lower group so as to ensure the connection reliability of the first supporting square pipe 10 and the second supporting square pipe 20 in the other group of square pipe guardrails; the locking assembly 70 can be a locking bolt which sequentially penetrates through the rear side wall of the second supporting square pipe 20 from outside to inside and is locked in the inserting plate 50 on the first supporting square pipe 10 in a threaded fit manner; the inserting plate 50 can be arranged into an inserting block, two corresponding inserting plates or a U-shaped inserting plate 50 structure, and is inserted into the second supporting square tube 20 in a matching way so as to realize the reliable connection of two adjacent groups of square tube guardrails; the bottoms of the first supporting square pipe 10 and the second supporting square pipe 20 can be provided with a base, and a drain hole is formed in the center of the base so as to ensure that rainwater falling into the first supporting square pipe 10 and the second supporting square pipe 20 can be smoothly drained in rainy days, and the rainwater can be prevented from accumulating in the first supporting square pipe 10 and the second supporting square pipe 20 and being corroded and damaged.

Further, the foldable supporting mechanism 40 is configured to include an i-shaped sliding block 401, a foldable supporting rod 402, a bottom plate 403 and a push-pull handle 404, the supporting square tube one 10 and the supporting square tube two 20 are both provided with a sliding groove 405, the i-shaped sliding block 401 is matched to slide through the sliding groove 405, the front end and the rear end of the i-shaped sliding block 401 are respectively hinged with the starting end of a group of foldable supporting rod 402, the tail end of the foldable supporting rod 402 is hinged with the bottom end of the supporting square tube one 10 or the supporting square tube two 20, the foldable supporting rod 402 is connected with the bottom plate 403, the push-pull handle 404 is connected with the rear end of the i-shaped sliding block 401, the push-pull handle 404 pushes the i-shaped sliding block 401 to slide up and down along the sliding groove 405, so that the foldable supporting rod 402 expands or contracts the bottom plate 403, the push-pull handle 404 pushes the i-shaped sliding block 401 to move, until the bottom plate 403 is parallel to the bottom end of the first supporting square pipe 10 or the bottom end of the second supporting square pipe 20, so that the foldable supporting mechanism 40 and the bottom end of the first supporting square pipe 10 or the bottom end of the second supporting square pipe 20 form a triangular supporting structure, the problem that the square pipe guardrail is prone to toppling in windy weather is reduced, the push-pull handle 404 pulls the I-shaped slider 401 to move upwards along the chute 405, the foldable supporting rod piece 402 hinged to the foldable supporting rod piece 402 shrinks towards the direction close to the first supporting square pipe 10 or the second supporting square pipe 20 until the foldable supporting rod piece 402 is parallel to the side wall of the first supporting square pipe 10 or the second supporting square pipe 20, folding of the foldable supporting mechanism is achieved.

Specifically, the front end and the rear end of the i-shaped sliding block 401 and the bottom end of the first supporting square pipe 10 or the second supporting square pipe 20 are hinged to the folding supporting rod piece 402 through matching of a hinge seat and a rotating shaft; the push-pull handle 404 can be welded and fixed at the rear end of the I-shaped sliding block 401; the base plate 403 may be welded to the folding support bar 402.

Further, folding support member 402 sets up to including bracing piece one 4021 and bracing piece two 4022, bracing piece one 4021 top articulates on I-shaped slider 401, and the terminal articulated bracing piece two 4022 top of this bracing piece one 4021, bracing piece two 4022 end articulates in the bottom of supporting square pipe one 10 or supporting square pipe two 20, connect bottom plate 403 on the bracing piece two 4022, through the articulated structural design of bracing piece one 4021 and bracing piece two 4022, can make bottom plate 403 expand to keeping away from supporting square pipe one 10 or supporting square pipe two 20 lateral walls direction, with supporting square pipe one 10 or supporting square pipe two 20 formation triangle-shaped supporting structure, improve the whole support stability of square pipe guardrail, or to being close to supporting square pipe one 10 or supporting square pipe two 20 lateral walls direction shrink, so that square pipe guardrail transportation is convenient.

Specifically, the starting end of the first supporting rod 4021 is hinged to the front end and the rear end of the i-shaped sliding block 401 through the matching of a hinge seat and a rotating shaft, the tail end of the second supporting rod 4022 is hinged to the bottom end of the first supporting square pipe 10 or the bottom end of the second supporting square pipe 20 through the matching of a hinge seat and a rotating shaft, the tail end of the first supporting rod 4021 is hinged to the starting end of the second supporting rod 4022 through the rotating shaft, and the second supporting rod 4022 can be welded with a fixing bottom plate.

Further, keep off frame 30 and set up to include connecting pipe fitting 301 on, connecting pipe fitting 302 and keeping off pipe 303 down, go up connecting pipe fitting 301 and connect pipe fitting 302 down between the equipartition multiunit keep off pipe 303.

Further, the upper connecting pipe fitting 301, the lower connecting pipe fitting 302 and the baffle pipe 303 are all set to be square pipes, and the baffle pipe 303 is connected with the first supporting square pipe 10 or the second supporting square pipe 20 through a connecting block.

Specifically, a plurality of groups of baffle pipes 303 can be vertically and uniformly welded between the upper connecting pipe fitting 301 and the lower connecting pipe fitting 302 along the axial direction of the upper connecting pipe fitting and the lower connecting pipe fitting; the two outermost side baffle pipes 303 in the baffle frame 30 are welded and fixed with the connecting block, and the other end of the connecting block is welded and fixed on the first supporting square pipe 10 or the second supporting square pipe 20, so that the baffle frame 30 is connected with the first supporting square pipe 10 or the second supporting square pipe 20.

Furthermore, the locking assembly 70 is configured to include an insertion rod 701 and a spring 702, the insertion rod 701 vertically penetrates through the rear side wall of the supporting square tube two 20, the insertion rod 701 is sleeved with the spring 702, one end of the spring 702 is fixed on the insertion rod 701, and the other end of the spring 702 is fixed on the rear side wall of the supporting square tube two 20, through a locking structure formed by the insertion rod 701 and the spring 702, when the insertion plate 50 on the supporting square tube one 10 is inserted through the insertion hole 60 on the supporting square tube two 20, the insertion rod 701 is pulled to move out of the rear side wall of the supporting square tube two 20, and after the insertion and connection of the two, the insertion rod 701 is released, so that the insertion rod 701 penetrates through the rear side wall of the supporting square tube two 20 and is inserted into the insertion plate 50 under the assistance of the elastic force of the spring 702, thereby realizing the locking connection of the supporting square tube one 10 and the supporting square tube two 20, the assembly and disassembly are, the locking bolt is easy to lose.

Specifically, the inserting rod 701 can be configured to be a cylindrical or cubic structure, which is matched with the structure of the inserting hole 60 on the inserting plate 50; one end of the spring 702 is fixed on the inserting rod 701 by welding, and the other end of the spring 702 is fixed on the rear side wall of the supporting square tube 20 by welding.

Example two

As shown in fig. 1 and 2, the difference from the first embodiment is that a limit rod 406 is further connected to the side of the sliding groove 405 in a threaded manner, the limit rod 406 is used for limiting the position of the i-shaped sliding block 401 to ensure that the folding support rod 402 contracts well, and when the i-shaped sliding block 401 moves up to the position where the folding support rod 402 is parallel to the rear side wall of the first support square pipe 10 or the second support square pipe 20, the limit rod 406 is connected to the lower end of the i-shaped sliding block 401 on the first support square pipe 10 or the second support square pipe 20 in a threaded manner to limit the downward movement of the i-shaped sliding block 401, so as to ensure that the folding support rod 402 contracts well.

Specifically, the limiting rod 406 may be a bolt, a threaded hole may be formed at a side of the sliding groove 405 on the first supporting square tube 10 or the second supporting square tube 20, and the limiting rod 406 may be coupled with the bolt to be connected to the threaded hole, so as to limit the position of the i-shaped slider 401.

EXAMPLE III

As shown in fig. 4-7, the difference from the first embodiment and the second embodiment is that the upper connecting pipe 301 and the lower connecting pipe 302 are both configured to include a U-shaped cross beam 3011 and a back plate 3012, the U-shaped cross beam 3011 and the back plate 3012 are connected by bolts to form a square pipe structure, the back plate 3012 is provided with a limiting component 3013, the side walls of the supporting square pipe 10 and the supporting square pipe 20 close to the U-shaped cross beam 3011 are both provided with a limiting insertion piece 3014, the limiting insertion pieces 3014 are inserted into the two ends of the U-shaped cross beam 3011 in a matching manner and locked and limited by the limiting component 3013, the bottom wall of the U-shaped cross beam 3011 of the upper connecting pipe 301 and the top wall of the U-shaped cross beam 3015 of the lower connecting pipe 302 are respectively and evenly provided with a limiting slot 3015, the limiting slot 3015 is inserted into the blocking pipe 303 in a matching manner to facilitate the dismounting and mounting of the blocking pipe 303 in the upper connecting pipe 301 and the lower connecting, Back plate 3012, the cooperation of bolt and spacing scarce groove 3015, can realize keeping off pipe 303 in last connecting pipe spare 301 and connecting pipe spare 302 between make things convenient for dismouting or maintenance down, make when a set of fender pipe 303 damages, only tear it out change can, thereby effectively practice thrift the cost, guarantee the holistic life of side's pipe guardrail, wherein, U style of calligraphy crossbeam 3011, the structural design of back plate 3012 and bolt, make on connecting pipe spare 301 and connecting pipe spare 302 can the dismouting down, and go up connecting pipe spare 301 and connect the spacing scarce groove 3015 of seting up on the pipe spare 302 down, then can carry on spacingly to the cartridge that keeps off pipe 303, in order to improve the dismouting efficiency that keeps off pipe 303.

Specifically, the baffle pipe 303 is a square pipe; the side walls of the first supporting square pipe 10 and the second supporting square pipe 20 close to the U-shaped cross beam 3011 are welded with the limiting insertion pieces 3014, and the structure of the limiting insertion pieces 3014 is matched with the structures at the two ends of the U-shaped cross beam 3011.

Further, still set up a drainage groove 3016 on the U style of calligraphy crossbeam 3011 diapire of connecting tube spare 302 down, through drainage groove 3016's design, can in time discharge the rainwater that falls into connecting tube spare 302 down, effectively reduce the rainwater and build up the erosion damage problem to it in connecting tube spare 302 down.

Specifically, the drainage channel 3016 may be opened along the axis direction parallel to the bottom wall of the U-shaped cross beam 3011.

Further, the limiting component 3013 can be set as a limiting bolt, the limiting bolt is connected to the back plate 3012 in a screwing mode, and the limiting bolt is screwed so that the tail end of the limiting bolt penetrates through the back plate 3012 and is inserted into the limiting insertion piece 3014, and therefore the assembly of the upper connecting pipe fitting 301 or the lower connecting pipe fitting 302 between the first supporting square pipe 10 and the second supporting square pipe 20 is achieved.

Example four

As shown in fig. 4, the difference from the third embodiment is that, further, a limiting component 3013 may be provided to include an inserting rod 701 and a spring 702, the inserting rod 701 vertically passes through the back plate 3012, the inserting rod 701 is sleeved with the spring 702, one end of the spring 702 is fixed on the inserting rod 701, and the other end of the spring 702 is fixed on the back side wall of the back plate 3012, the limiting component 3013 formed by the inserting rod 701 and the spring 702 can pull the inserting rod 701 to move out of the back side wall of the back plate 3012 when the limiting inserting pieces 3014 on the supporting square tube one 10 or the supporting square tube two 20 are inserted into two ends of the U-shaped cross beam 3011, and after the two are inserted and connected, the inserting rod 701 is released, so that the inserting rod 701 is inserted under the assistance of the elastic force of the spring 702 and passes through the back side wall of the back plate 3012 to be arranged in the limiting inserting pieces 3014, thereby realizing the assembly of the upper connecting tube 301 or the lower connecting tube 302 between the supporting square tube one 10, and effectively reduced current when connecting through spacing bolt, the problem that spacing bolt easily loses, perhaps adopted the welded connection mode for support side pipe one 10, support side pipe two 20, go up and connect pipe fitting 301, connect pipe fitting 302 and keep off the inconvenient problem of pipe 303 dismouting, maintenance down, further guaranteed the dismouting efficiency of aforementioned part, and made its maintenance change convenient.

Use the utility model provides a square pipe guardrail convenient to dismouting can improve square pipe guardrail in the stability of placing of construction department, whole easy dismounting, the transportation of being convenient for, and also reliable assembly connection between adjacent square pipe guardrail. The disassembly and assembly process of the square pipe guardrail at the construction site is as follows (taking the fourth embodiment as an example):

1. enabling the first supporting square pipe 10 and the second supporting square pipe 20 to be arranged correspondingly, pushing the U-shaped cross beam 3011 in the upper connecting pipe fitting 301 into the front side of the first supporting square pipe 10 and the front side of the upper part limiting insertion piece 3014 of the second supporting square pipe 20, and pushing the U-shaped cross beam 3011 in the lower connecting pipe fitting 302 into the front side of the first supporting square pipe 10 and the front side of the lower part limiting insertion piece 3014 of the second supporting square pipe 20 so as to realize the overlapping of the U-shaped cross beam 3011 on the first supporting square pipe 10 and the second supporting square pipe 20;

2. the multiple groups of blocking pipes 303 are sequentially pushed in along the limiting notches 3015 in the upper connecting pipe fitting 301 and the lower connecting pipe fitting 302, the blocking pipes are vertically clamped between the upper connecting pipe fitting 301 and the lower connecting pipe fitting 302 in a matched mode, then the back plate 3012 is made to be tightly attached to the U-shaped cross beam 3011, the blocking pipes and the lower connecting pipe fitting 302 are fastened and connected through bolts, at the moment, the inserting rod 701 in the limiting assembly 3013 penetrates through the back plate 3012 to extend into the limiting inserting piece 3014, and therefore assembly of the blocking pipes 303 between the upper connecting pipe fitting 301 and the lower connecting pipe fitting 302 and assembly of the upper connecting pipe fitting 301 or the lower connecting pipe fitting 302 between the first supporting square pipe 10 and the second supporting square pipe 20;

3. after the step 2 is completed, the I-shaped sliding block 401 is pushed to move downwards along the sliding groove 405 manually through the push-pull handle 404, the folding support rod 402 hinged to the I-shaped sliding block is unfolded towards the direction far away from the first supporting square pipe 10 or the second supporting square pipe 20 until the bottom plate 403 is flush with the bottom end of the first supporting square pipe 10 or the bottom end of the second supporting square pipe 20, so that the bottom ends of the folding support mechanism 40 and the first supporting square pipe 10 or the second supporting square pipe 20 form a triangular support structure, and the problem that the square pipe guardrail is prone to toppling in windy weather is;

4. repeating the steps 1-3 to complete the integral assembly of the multiple groups of square tube guardrails;

5. then, the inserting plate 50 on the supporting square tube I10 in the first group of square tube guardrails is inserted into the inserting hole 60 on the supporting square tube II 20 in the second group of square tube guardrails, and the inserting hole 60 on the supporting square tube II 20 in the first group of square tube guardrails is inserted into the inserting plate 50 on the supporting square tube I10 in the third group of square tube guardrails, in the inserting process, the inserting rod 701 can be manually pulled to move out of the rear side wall of the supporting square tube II 20, and after the inserting rod 701 and the supporting square tube II are inserted and connected, the inserting rod 701 is released, so that the inserting rod 701 penetrates through the rear side wall of the supporting square tube II 20 and is inserted and arranged in the inserting plate 50 under the assistance of the elastic force of the spring 702, the locking connection of the supporting square tube I10 and the supporting square tube II 20 is realized;

6. after the construction of the building construction site is completed and when the transportation square pipe guardrail needs to be dismantled, the inserting rod 701 is manually pulled to move out of the rear side wall of the supporting square pipe II 20, the inserting plate 50 on the supporting square pipe I10 is pulled out of the inserting hole 60 of the supporting square pipe II 20, then the inserting rod 701 is released, the inserting rod 701 penetrates through the rear side wall of the supporting square pipe II 20 under the assistance of the elastic force of the spring 702, the processes are repeated, and the dismantling of a plurality of groups of square pipe guardrails is completed;

7. then, the push-pull handle 404 is manually used for pulling the I-shaped sliding block 401 to move upwards along the sliding groove 405, the folding support rod piece 402 hinged to the I-shaped sliding block shrinks towards the direction close to the first supporting square pipe 10 or the second supporting square pipe 20 until the folding support rod piece 402 is parallel to the side wall of the first supporting square pipe 10 or the second supporting square pipe 20, so that the folding support mechanism is folded, and the transportation of the square pipe guardrail at the later stage is facilitated;

8. when a group of blocking tubes 303 is damaged or a plurality of groups of square tube guardrails need to be transported, the blocking frame 30 needs to be detached from the space between the first supporting square tube 10 and the second supporting square tube 20, and each component in the blocking frame 30 needs to be detached, the bolts on the back plate 3012 and the U-shaped cross beam 3011 are screwed out, the inserting rod 701 is manually pulled to move out of the back side wall of the back plate 3012, the limiting inserting pieces 3014 on the first supporting square tube 10 and the second supporting square tube 20 are pulled out from the two ends of the U-shaped cross beam 3011, then the inserting rod 701 is released, so that the inserting rod 701 penetrates through the back side wall of the back plate 3012 under the assistance of the elastic force of the spring 702, the detaching of the back plate 3012 between the first supporting square tube 10 and the second supporting square tube 20 is completed, secondly, if the damaged blocking tubes 303 are replaced, the damaged blocking tubes 303 are pulled out from the limiting grooves 3015, then the rear plate 3012 is tightly attached to the U-shaped cross beam 3011, at this, an insert rod 701 in the limiting component 3013 passes through the back plate 3012 and extends into the limiting insert 3014; if the disassembly of the multiple groups of blocking pipes 303 is carried out, so as to facilitate transportation, the multiple groups of blocking pipes 303 are sequentially pulled out from the limiting notch 3015, finally, the U-shaped cross beam 3011 in the upper connecting pipe fitting 301 is pulled out along the front sides of the upper limiting insertion pieces 3014 of the first supporting square pipe 10 and the second supporting square pipe 20, and the U-shaped cross beam 3011 in the lower connecting pipe fitting 302 is pulled out along the front sides of the first supporting square pipe 10 and the lower limiting insertion pieces 3014 of the second supporting square pipe 20, so that the U-shaped cross beam 3011 can be disassembled between the first supporting square pipe 10 and the second supporting square pipe 20, the processes are repeated, and the disassembly of the blocking frame 30 in the multiple groups of square pipe guardrails is completed.

9. And repeating the steps 1-8 to realize the assembly protection of the plurality of groups of square tube guardrails at another building construction position.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. Side's pipe guardrail convenient to dismouting, its characterized in that: the square pipe guardrail convenient to disassemble and assemble comprises a first supporting square pipe (10), a second supporting square pipe (20) and a blocking frame (30), wherein the first supporting square pipe (10) and the second supporting square pipe (20) are correspondingly arranged, the first supporting square pipe (10) and the second supporting square pipe (20) are connected with a foldable supporting mechanism (40) in a sliding mode, so that the stability of the square pipe guardrail is ensured, an inserting plate (50) is correspondingly arranged on the outer side wall of the first supporting square pipe (10), an inserting hole (60) is formed in the outer side wall of the second supporting square pipe (20) correspondingly, a locking assembly (70) is arranged in the axial direction perpendicular to the inserting hole (60) on the rear side wall of the second supporting square pipe (20), the structure of the inserting plate (50) is matched with the structure of the inserting hole (60), the inserting plate (50) penetrates through the inserting hole (60) to extend into the second supporting square pipe (20), and is locked in the second supporting square pipe (20), so as to realize the connection of two adjacent groups of square tube guardrails.

2. The square pipe guardrail convenient to disassemble and assemble according to claim 1, wherein: the foldable supporting mechanism (40) comprises an I-shaped sliding block (401), a foldable supporting rod piece (402), a bottom plate (403) and a push-pull handle (404), the supporting square tube I (10) and the supporting square tube II (20) are both provided with a sliding chute (405), the I-shaped sliding block (401) is matched with each other to slide through the sliding chute (405), the front end and the rear end of the I-shaped sliding block (401) are respectively hinged with the initial end of a group of folding supporting rod pieces (402), the tail end of the folding support rod piece (402) is hinged at the bottom end of the first support square pipe (10) or the second support square pipe (20), and the folding support rod piece (402) is connected with a bottom plate (403), the push-pull handle (404) is connected with the rear end of the I-shaped sliding block (401), and the push-pull handle (404) pushes the I-shaped sliding block (401) to slide up and down along the sliding groove (405), so that the folding support rod piece (402) can expand or contract the bottom plate (403).

3. The square pipe guardrail convenient to disassemble and assemble according to claim 2, wherein: the folding support rod piece (402) comprises a first support rod (4021) and a second support rod (4022), the initial end of the first support rod (4021) is hinged to the I-shaped sliding block (401), the tail end of the first support rod (4021) is hinged to the initial end of the second support rod (4022), the tail end of the second support rod (4022) is hinged to the bottom end of the first support square pipe (10) or the bottom end of the second support square pipe (20), and the second support rod (4022) is connected with the bottom plate (403).

4. The square pipe guardrail convenient to disassemble and assemble according to claim 2 or 3, wherein: the side of the sliding groove (405) is further in threaded connection with a limiting rod (406), and the limiting rod (406) is used for limiting the position of the I-shaped sliding block (401) and ensuring that the folding support rod piece (402) is well contracted.

5. The square pipe guardrail convenient to disassemble and assemble according to claim 1, wherein: keep off frame (30) and set up to including connecting pipe fitting (301), connecting pipe fitting (302) and fender pipe (303) down, go up and connect pipe fitting (301) and connect down between pipe fitting (302) equipartition multiunit fender pipe (303).

6. The square pipe guardrail convenient to disassemble and assemble according to claim 5, wherein: go up connecting pipe fitting (301), connecting pipe fitting (302) and fender pipe (303) down and all set up to square pipe, keep off pipe (303) and connect support side pipe one (10) or support side pipe two (20) through the connecting block.

7. The square pipe guardrail convenient to disassemble and assemble according to claim 5, wherein: the upper connecting pipe fitting (301) and the lower connecting pipe fitting (302) are both arranged to comprise a U-shaped cross beam (3011) and a back plate (3012), the U-shaped cross beam (3011) and the back plate (3012) are connected by bolts to form a square tube structure, the back plate (3012) is provided with a limit component (3013), the side walls of the first supporting square tube (10) and the second supporting square tube (20) close to the U-shaped cross beam (3011) are provided with limit inserting pieces (3014), the limiting inserting pieces (3014) are inserted into two ends of the U-shaped beam (3011) in a matching way, and is locked and limited by a limiting component (3013), limiting notches (3015) are correspondingly and uniformly distributed on the bottom wall of the U-shaped beam (3011) of the upper connecting pipe fitting (301) and the top wall of the U-shaped beam (3011) of the lower connecting pipe fitting (302), the limiting notches (3015) are matched and inserted with the baffle pipes (303), so as to facilitate the disassembly and assembly of the baffle pipe (303) in the upper connecting pipe fitting (301) and the lower connecting pipe fitting (302).

8. The square pipe guardrail convenient to disassemble and assemble according to claim 7, wherein: a water drainage groove (3016) is also arranged on the bottom wall of the U-shaped beam (3011) of the lower connecting pipe fitting (302).

9. The square pipe guardrail convenient to disassemble and assemble according to claim 1, wherein: the locking assembly (70) is arranged to comprise an inserting rod (701) and a spring (702), the inserting rod (701) vertically penetrates through the rear side wall of the second supporting square pipe (20), the spring (702) is sleeved on the inserting rod (701), one end of the spring (702) is fixed on the inserting rod (701), and the other end of the spring (702) is fixed on the rear side wall of the second supporting square pipe (20).

10. The square pipe guardrail convenient to disassemble and assemble according to claim 7, wherein: the limiting component (3013) can be set to be a limiting bolt.