Adjustable guardrail for construction engineering

Abstract

The utility model relates to an adjustable guardrail for construction engineering in the technical field of guardrails, comprising a plurality of guard units and a connecting unit connected between two adjacent guard units, the guard unit comprising two upright poles, a cross bar fixedly connected between the two upright poles and a base fixedly connected to the lower end of the upright poles, the connecting unit comprising two transverse end arms fixedly connected to the outer ends of the upright poles and a limiting rod inserted into the four transverse end arms on the two adjacent guard units, in the two adjacent guard units, the four transverse end arms on the two upright poles close to each other are close to each other and staggered with each other, and the plurality of guard units can be connected to each other and stably connected at any angle through the coordinated use of the transverse end arms and the limiting rod, which greatly improves the stability and protective effect compared with the prior art tethering or direct end-to-end arrangement.

Description

Technical Field

[0001] The utility model relates to a guardrail, in particular to an adjustable guardrail for construction engineering applied in the technical field of guardrails. Background Art

[0002] Existing guardrails are generally multiple independent metal guardrails. When needed, multiple guardrails are connected and spliced ​​together by head and tail ropes, or multiple guardrails are directly arranged in sequence without connection and used directly.

[0003] In the above two usage methods, the overall stability of the guardrail is poor, and its placement is easily changed due to accidents, resulting in poor protection effect. Utility Model Content

[0004] In view of the above-mentioned prior art, the technical problem to be solved by the utility model is that the guardrail has poor stability and is easy to change its position, resulting in poor protection effect.

[0005] To solve the above problems, the utility model provides an adjustable guardrail for construction projects, including multiple guard units and a connecting unit connected between two adjacent guard units, the guard unit including two uprights, a cross bar fixedly connected between the two uprights, and a base fixedly connected to the lower ends of the uprights, the connecting unit including two transverse end arms fixedly connected to the outer ends of the uprights and a limiting rod inserted into the four transverse end arms on the two adjacent guard units, in the two adjacent guard units, the four transverse end arms on the two uprights close to each other are close to each other and staggered, the transverse end arms include a positioning ring fixedly connected to the upright, a connecting rod fixedly connected to the outer end of the positioning ring, and a sleeve fixedly connected to the end of the connecting rod away from the positioning ring, a limiting hole is drilled in the middle of the sleeve, and the limiting rod and the limiting hole match each other.

[0006] In the above-mentioned adjustable guardrail for construction projects, through the coordinated use of lateral end arms and limit rods, multiple protection units can be connected to each other and can be stably connected at any angle. Compared with the existing technology of tying ropes or directly arranging end to end, the stability and protection effect are greatly improved.

[0007] As a further improvement of the present application, the limiting rod includes a top plate located at the top, a longitudinal insertion rod fixedly connected to the lower end of the top plate, two limiting sections fixedly connected to the outside of the top plate, and a T-shaped bottom plate threadedly connected to the lower end of the longitudinal insertion rod, and the T-shaped bottom plate is located at the lower end of the lowest positioning ring.

[0008] As a further improvement of the present application, a magnetic sheet is fixedly connected to the lower end of the lowest ring, and the T-shaped bottom plate is made of ferromagnetic material.

[0009] As a further improvement of the present application, the cross-sections of the limiting segments and the limiting holes are mostly identical regular polygonal structures, and the diameter of the longitudinal insertion rod is smaller than the edge-center distance of the regular polygon.

[0010] As a further improvement of the present application, the upper limiting section is in contact with the top plate, and the length of the limiting section is greater than the distance between the end faces of two adjacent rings that are away from each other, and the distance between the bottom of the longitudinal rod and the lower limiting section is not less than the length of the limiting section.

[0011] As another improvement of the present application, the multiple cross bars between the two vertical poles are replaced by flexible belts, and the two ends of the flexible belts are respectively sleeved outside the two vertical poles.

[0012] In summary, during transportation, the T-shaped base plate can be unscrewed from the longitudinal insertion rod, and then the longitudinal insertion rod can be pulled out upward so that the multiple protection units can be separated from each other and exist independently. During use, the multiple transverse end arms on the two adjacent protection units can be aligned up and down, and the longitudinal insertion rod can be inserted, and then the corners of the limiting section can be aligned with the limiting hole so that it can be smoothly inserted into the multiple transverse end arms, and then the T-shaped base plate can be screwed back to the bottom of the longitudinal insertion rod. When it is necessary to adjust the angle between the two protection units, the longitudinal insertion rod can be lifted upward so that the limiting section and the limiting hole are misaligned. At this time, the angle of the two protection units can be adjusted as needed, and finally the limiting section can be aligned with the limiting hole so that the limiting section enters the limiting hole for limiting, so that the adjusted angle is fixed, and through the coordinated use of the transverse end arms and the limiting rod, multiple protection units can be connected to each other, and can be stably connected at any angle. Compared with the prior art tethering or direct end-to-end arrangement, the stability and protection effect are greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the first embodiment of the present application;

[0014] Figure 2 This is a schematic diagram of the first embodiment of the present application when the limit rod is separated from the two protection units;

[0015] Figure 3 This is a three-dimensional schematic diagram of the connection between the lateral end arms and the limit rods of the two protection units in the first embodiment of the present application;

[0016] Figure 4 This is an exploded view of the transverse end arms and the limit rod between the two protection units of the first embodiment of the present application;

[0017] Figure 5 This is a three-dimensional diagram of the two protection units of the first embodiment of the present application after the angles are adjusted;

[0018] Figure 6 It is a stereogram of the second embodiment of the present invention.

[0019] Description of the numbers in the figure:

[0020] 1 vertical pole, 2 base, 3 cross bar, 4 horizontal end arm, 41 positioning ring, 42 connecting rod, 43 sleeve ring, 401 limiting hole, 5 limiting rod, 51 top plate, 52 limiting section, 53 longitudinal plug rod, 54 T-shaped bottom plate, 6 flexible belt. DETAILED DESCRIPTION

[0021] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0022] The first implementation method:

[0023] Figure 1 An adjustable guardrail for construction engineering is shown, comprising a plurality of guard units and a connecting unit connected between two adjacent guard units, wherein the guard unit comprises two upright poles 1, a cross bar 3 fixedly connected between the two upright poles 1, and a base 2 fixedly connected to the lower end of the upright pole 1, and the connecting unit comprises two transverse end arms 4 fixedly connected to the outer ends of the upright poles 1 and a limiting rod 5 inserted into the four transverse end arms 4 on the two adjacent guard units. In the two adjacent guard units, the four transverse end arms 4 on the two upright poles 1 close to each other are close to each other and staggered with each other.

[0024] like Figure 3 The lateral end arm 4 includes a positioning ring 41 fixedly connected to the vertical pole 1, a connecting rod 42 fixedly connected to the outer end of the positioning ring 41, and a collar 43 fixedly connected to the end of the connecting rod 42 away from the positioning ring 41. A limiting hole 401 is drilled in the middle of the collar 43, and the limiting rod 5 matches the limiting hole 401.

[0025] like Figure 4 The limiting rod 5 includes a top plate 51 located at the top, a longitudinal insertion rod 53 fixedly connected to the lower end of the top plate 51, two limiting sections 52 fixedly connected to the outside of the top plate 51, and a T-shaped bottom plate 54 threadedly connected to the lower end of the longitudinal insertion rod 53. The T-shaped bottom plate 54 is located at the lower end of the lowest positioning ring 41.

[0026] The lower end of the lowest ring 43 is fixedly connected to a magnetic piece, and the T-shaped bottom plate 54 is made of ferromagnetic material. When the angle needs to be adjusted, after the limit rod 5 is lifted upward, the T-shaped bottom plate 54 gradually approaches the magnetic piece on the ring 43 and adsorbs each other, so that the position of the limit rod 5 can be temporarily fixed. At this time, when changing the angle of two adjacent protective units, there is no need to hold the limit rod 5 by hand, which facilitates the adjustment of the angle of the two protective units.

[0027] The cross-sections of the limiting section 52 and the limiting hole 401 are both mostly identical regular polygonal structures, so that the two can match each other, and when the limiting section 52 is located in the limiting hole 401, it can be limited due to the polygonal cross-section so that they cannot rotate relative to each other, thereby fixing the relative position between two adjacent protective units, and preventing angular rotation, thereby effectively ensuring stability, and the diameter of the longitudinal insertion rod 53 is smaller than the edge-center distance of the regular polygon, so that the longitudinal insertion rod 53 can smoothly pass through the limiting hole 401, making it convenient for the limiting rod 5 to be smoothly disassembled and assembled between multiple horizontal end arms 4.

[0028] The upper limiting section 52 is in contact with the top plate 51, and the length of the limiting section 52 is greater than the distance between the end faces of the two adjacent rings 43 that are far away from each other, so that when the limiting rod 5 is naturally inserted in the horizontal end arm 4, the limiting section 52 can be just inserted on the two rings 43, thereby effectively ensuring the limitation of the relative position of the two adjacent protective units. The distance between the bottom of the longitudinal insertion rod 53 and the lower limiting section 52 is not less than the length of the limiting section 52. When the angle needs to be adjusted, when the limiting rod 5 is lifted upward, it is effectively guaranteed that the two limiting sections 52 can be smoothly misaligned with the corresponding horizontal end arm 4, so that the angle can be adjusted.

[0029] It is worth noting that when the top plate 51 contacts the uppermost ring 43 , the two limiting sections 52 correspond to two groups of two corresponding lateral end arms 4 .

[0030] In summary, during transportation, the T-shaped bottom plate 54 can be unscrewed from the longitudinal insertion rod 53, and then the longitudinal insertion rod 53 can be pulled out upward to separate the multiple protection units from each other and exist independently. When in use, the multiple transverse end arms 4 on the two adjacent protection units can be aligned up and down, and the longitudinal insertion rod 53 can be inserted, and then the corners of the limiting section 52 can be aligned with the limiting hole 401 so that it can be smoothly inserted into the multiple transverse end arms 4, and then the T-shaped bottom plate 54 can be screwed back to the bottom of the longitudinal insertion rod 53. When it is necessary to adjust the angle between the two protection units, the longitudinal insertion rod 53 can be lifted upward to misalign the limiting section 52 with the limiting hole 401. At this time, the angle of the two protection units can be adjusted as needed, and finally the limiting section 52 can be aligned with the limiting hole 401 so that the limiting section 52 enters the limiting hole 401 for limiting, as shown in FIG. Figure 5 , so that the adjusted angle is fixed, and through the coordinated use of the lateral end arm 4 and the limit rod 5, multiple protection units can be connected to each other and can be stably connected at any angle. Compared with the existing technology of tethering or directly arranging end to end, the stability and protection effect are greatly improved.

[0031] In addition, mounting holes may be provided on the base 2. To maintain stability, after adjusting the angle, the base 2 may be connected to the ground by bolts.

[0032] The second implementation method:

[0033] Figure 6As shown, the plurality of cross bars 3 between the two uprights 1 are replaced by flexible belts 6, and the remaining parts remain the same as those of the first embodiment.

[0034] The two ends of the flexible belt 6 are respectively sleeved on the outside of the two vertical poles 1. The flexible belt 6 can be made of nylon material to make the flexible belt 6 flexible. In the present embodiment, since the flexible belt 6 is flexible, it can be rolled up. Therefore, during transportation, compared with the first embodiment, the limiting rod 5 and the horizontal end arm 4 do not need to be separated. Multiple vertical poles 1 can be directly gathered together to reduce the occupied space, and can be directly unfolded when in use.

[0035] In view of current practical needs, the protection scope of the above-mentioned implementation mode adopted by this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. An adjustable guardrail for construction engineering, characterized in that: The invention comprises a plurality of protection units and a connection unit connected between two adjacent protection units, wherein the protection unit comprises two vertical poles (1), a horizontal pole (3) fixedly connected between the two vertical poles (1), and a base (2) fixedly connected to the lower end of the vertical poles (1); the connection unit comprises two transverse end arms (4) fixedly connected to the outer ends of the vertical poles (1) and a limiting rod (5) inserted into the four transverse end arms (4) on the two adjacent protection units; in the two adjacent protection units, the four transverse end arms (4) on the two vertical poles (1) close to each other are close to each other and staggered; the transverse end arms (4) comprise a positioning ring (41) fixedly connected to the vertical poles (1), a connecting rod (42) fixedly connected to the outer end of the positioning ring (41), and a sleeve ring (43) fixedly connected to the end of the connecting rod (42) away from the positioning ring (41); a limiting hole (401) is drilled in the middle of the sleeve ring (43); and the limiting rod (5) matches the limiting hole (401).

2. The adjustable guardrail for construction engineering according to claim 1, characterized in that: The limiting rod (5) comprises a top plate (51) located at the top, a longitudinal insertion rod (53) fixedly connected to the lower end of the top plate (51), two limiting sections (52) fixedly connected to the outside of the top plate (51), and a T-shaped bottom plate (54) threadedly connected to the lower end of the longitudinal insertion rod (53), wherein the T-shaped bottom plate (54) is located at the lower end of the positioning ring (41) at the bottom.

3. The adjustable guardrail for construction engineering according to claim 2, characterized in that: A magnetic sheet is fixedly connected to the lower end of the lowest sleeve ring (43), and the T-shaped bottom plate (54) is made of ferromagnetic material.

4. The adjustable guardrail for construction engineering according to claim 2, characterized in that: The cross-sections of the limiting section (52) and the limiting hole (401) are both mostly identical regular polygon structures, and the diameter of the longitudinal insertion rod (53) is smaller than the apicocenter distance of the regular polygon.

5. The adjustable guardrail for construction engineering according to claim 4, characterized in that: The upper limiting section (52) is in contact with the top plate (51), and the length of the limiting section (52) is greater than the distance between the end surfaces of two adjacent rings (43) that are away from each other, and the distance between the bottom of the longitudinal insertion rod (53) and the lower limiting section (52) is not less than the length of the limiting section (52).

6. The adjustable guardrail for construction engineering according to claim 1, characterized in that: The plurality of cross bars (3) between the two upright poles (1) are replaced with flexible belts (6), and the two ends of the flexible belt (6) are respectively sleeved outside the two upright poles (1).

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