Simple warning fence for pavement construction
By designing a simple warning fence structure with supporting columns, fixing plates, railings, and foldable brackets, the shortcomings of existing warning fences in terms of balance and storage are solved, achieving higher stability and portability, and making it suitable for safety barriers in road construction and densely populated areas.
Patent Information
- Application Number
- CN202520060566.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing warning fences are inadequate in terms of balance and storage capacity, and the flexibility and portability of the supporting structure need to be improved.
A simple warning fence structure was designed, including supporting posts, fixing plates, railings, connectors, and foldable brackets. By setting up replaceable railings, adjustable connectors, and foldable brackets, the balance and portability of the fence are improved.
The improved balance and portability of the warning fence enhance its stability and space utilization efficiency, making it more convenient for use on construction sites.
Smart Images

Figure CN223753817U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to road construction technical field, more specifically, especially, it is related to a simple warning fence for road surface construction. BACKGROUND
[0002] The protective warning fence is commonly used for assisting road reconstruction, and can also be used for enclosing in maintenance and repair work of equipment or facilities in personnel-intensive places such as factories, workshops and commercial areas, so as to avoid accidents caused by irrelevant personnel entering the construction site or affecting the construction of workers.
[0003] At present, there are various warning fences on the market, for example, a road surface isolation fence provided by Chinese patent CN202222257580.5, which is provided with warning lights on the blocking piece. In the construction site at night and in the dark place, the existence of the isolation fence can be found by pedestrians in time through the setting of the warning lights, so as to avoid entering it by mistake. At the same time, by setting the first support on the blocking piece, the road surface isolation fence can be directly placed in the construction site without being fixedly connected with the ground through the steel pipe, so that when in use, the road surface isolation fence can be moved integrally, which is convenient for circulation, and the overall structure of the road surface isolation fence is also improved in appearance. On the other hand, the patent also has the following shortcomings:
[0004] 1. The warning fence is provided with a supporting structure only on one side. If the warning fence is pushed from this side, the warning fence can be easily pushed down to the other side, and the balance is not good.
[0005] 2. The rotating connection position of the supporting structure cannot be changed. After the balance structure is retracted, the lower end exceeds the bottom of the warning fence, so that the warning fence can only be placed flat on the ground or placed upside down when the warning fence is stored. UTILITY MODEL CONTENTS
[0006] In order to solve the above technical problems, the utility model provides a simple warning fence for road surface construction, so as to solve the problem that the existing warning fence cannot have good balance and easy storage.
[0007] The utility model provides a simple warning fence for road surface construction, which is achieved by the following specific technical means:
[0008] The utility model provides a simple warning fence for road construction, including support column, the support column is two groups, and the support column is welded with lower fixed plate below respectively, and is welded with upper fixed plate above, and the front of lower fixed plate and upper fixed plate all pastes yellow and black stripe line, and there are a plurality of rail between lower fixed plate and upper fixed plate, and the rail encloses the planar region between two groups of support column, lower fixed plate and upper fixed plate, and the front of rail is tied with warning sign through iron wire, and the handle is arranged on two groups of support column, and the receiving groove is seted up on support column, and the first support and second support are received in receiving groove, and the first support and second support are hinged in bottom through rotating seat.
[0009] Further, the lower fixed plate is provided with a plurality of upward blind holes, and the upper fixed plate is provided with a plurality of upward through holes, and the rail is inserted into the through hole and the blind hole.
[0010] Further, one group of the support column is provided with two groups of first connecting pieces on one side, and the other group of the support column is provided with two groups of second connecting pieces on the other side at the same height.
[0011] Further, the inner wall of the receiving groove of the support column is provided with an oval sliding groove in the upper direction on both sides, and the sliding groove is provided with a pin hole at the upper end and the lower end, and the sliding groove is slidably connected with a cylinder, the cylinder is fixedly connected with the first support at the lower end, and the first limiting pin is inserted into the cylinder; the second support is provided with a pin hole at the end, and the second limiting pin is inserted into the pin hole, and the first limiting pin and the second limiting pin are inserted into the support column.
[0012] Further, the first limiting block is arranged in the receiving groove of the support column near the lower end; the second limiting block is arranged on one side of the second support near the middle.
[0013] Further, the first support is provided with an avoiding through hole at the height of the second limiting block, and the second limiting block is inserted into the avoiding through hole; the second support is provided with an avoiding blind hole on the other side at the height of the second limiting block.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The utility model discloses a rail, if one or more groups of rails are damaged, the damaged rail can be pulled out from the upper fixed plate, and a new rail can be replaced, so that if one group of the warning fence is damaged, the damaged rail can be replaced with the spare rail, and the whole warning fence does not need to be taken back for welding repair.
[0016] 2. The utility model discloses a first connecting piece and second connecting piece are set, and when a plurality of groups of warning fences are spliced, the first connecting piece of a previous group of fences can be inserted into the second connecting piece of the next group of fences to complete splicing, and adjacent warning fences do not need to be ensured to be in the same plane, and the maximum intersection angle between them is nearly forty degrees, so that the whole construction site is surrounded by the fences, and no gap is left between the warning fences for personnel to enter.
[0017] 3. The utility model discloses a supporting stand, cylinder, first support and second support are set, and the first support and second support can be accommodated into the accommodating groove of supporting stand under the warning fence storage state, convenient to arrange the warning fence, thereby reduce the space occupied when warning fence storage, under the unfolding state, slide the cylinder in the sliding groove, and then insert the first limit pin to limit, and the first support and second support provide balanced support for the whole warning fence, and it is difficult to push down the warning fence from the front or back. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic diagram of the utility model storage state.
[0019] Figure 2 It is the front view of the structure of the utility model Figure 1 .
[0020] Figure 3 It is the structure schematic diagram of the utility model unfolding state.
[0021] Figure 4 It is the schematic diagram of the utility model multiple splicing.
[0022] Figure 5 It is the schematic diagram of the utility model stacking state.
[0023] Figure 6 It is the partial close-up view of A in the utility model Figure 1 .
[0024] Figure 7 It is the partial close-up view of B in the utility model Figure 3 .
[0025] Figure 8 It is the partial close-up view of C in the utility model Figure 3 .
[0026] In the drawing, the corresponding relationship of component name and drawing number is as follows:
[0027] 1, support column; 2, lower fixed plate; 3, upper fixed plate; 4, railing; 5, warning sign; 6, first coupling; 7, second coupling; 8, handle; 9, barrel; 10, first support; 11, first limit pin; 12, second support; 13, second limit pin; 14, first limit block; 15, second limit block. DETAILED DESCRIPTION
[0028] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0029] Example:
[0030] As shown in the accompanying Figure 1 to the accompanying Figure 8 :
[0031] The utility model provides a simple warning fence for road surface construction, including support column 1, support column 1 is two groups, and support column 1 is welded with lower fixed plate 2 below and upper fixed plate 3 above between respectively, and the front of lower fixed plate 2 and upper fixed plate 3 all pastes yellow black stripe line, and there are multiple railings 4 between lower fixed plate 2 and upper fixed plate 3, and the plane area between two groups of support column 1, lower fixed plate 2 and upper fixed plate 3 is blocked by railing 4, and warning sign 5 is tied in the front of railing 4 through iron wire, and handle 8 is arranged on two groups of support column 1, and the receiving groove is set up on support column 1, and the first support 10 and second support 12 are received in receiving groove, and the first support 10 and second support 12 are hinged through rotating seat at the bottom.
[0032] Among them, as shown in the accompanying Figure 1 , lower fixed plate 2 sets up multiple direction upwards blind hole, and upper fixed plate 3 sets up multiple up-down direction through hole, and railing 4 is inserted into through hole and blind hole; if one group or several groups of railing 4 appear damage, can extract the railing 4 of damage from the upper of upper fixed plate 3 and replace new railing 4.
[0033] Among them, as shown in the accompanying Figure 1 , one group of support column 1 is provided with two groups of first coupling 6 on one side, and another group of support column 1 is provided with two groups of second coupling 7 at the same height position on the other side; when multiple warning fences are spliced, the first coupling 6 of the previous group of fence can be inserted into the second coupling 7 of the next group of fence to complete splicing, so as to enclose the entire construction site by the fence.
[0034] Among them, as shown in the accompanying Figure 3 , Figure 6 and Figure 7As shown, the inner wall of the receiving slot of the supporting column 1 is provided with an oval-shaped sliding groove on the upper side in the up-down direction, and the sliding groove is provided with a pin hole at the upper and lower ends, and the sliding groove is slidably connected with a cylinder 9, the cylinder 9 is fixedly connected with a first support 10 below, and the cylinder 9 is inserted with a first limiting pin 11; the second support 12 is provided with a pin hole at the end, and the pin hole is inserted with a second limiting pin 13, and the second limiting pin 13 and the first limiting pin 11 pass through the supporting column 1; as shown Figure 8 As shown, the receiving slot of the supporting column 1 is provided with a first limiting block 14 near the lower end; the second support 12 is provided with a second limiting block 15 near the middle on one side; as shown Figure 1 and Figure 2 As shown, the first support 10 is provided with an avoiding through hole at the height position of the second limiting block 15, and the second limiting block 15 passes through the avoiding through hole; the second support 12 is provided with an avoiding blind hole on the other side at the height position of the second limiting block 15; in the folded state, the first support 10 and the second support 12 of the warning fence are all received in the receiving slot of the supporting column 1, and the shape of the whole warning fence is similar to a flat plate, and a plurality of groups of warning fences can be inclined and placed, so that the space occupied after being received is reduced; in the unfolded state, first, two groups of supporting columns 1 are erected on the ground, the first limiting pin 11 inserted in the cylinder 9 and the second limiting pin 13 inserted in the pin hole at the end of the second support 12 are pulled out, the second support 12 is rotated around the rotating seat to make one side adhere to the ground, then the first support 10 is rotated around the cylinder 9, and at the same time, the cylinder 9 is slid downward along the oval-shaped sliding groove, in this process, the second support 12 passes through the receiving slot and continuously drags on the ground, until the cylinder 9 is about to slide to the lowermost end of the sliding groove, the warning fence is slightly lifted upward by holding the handle 8, the second limiting block 15 provided on the second support 12 is clamped below the first limiting block 14 provided between the receiving slots, the first limiting pin 11 passes through the supporting column 1 and is inserted into the cylinder 9 again, and the whole unfolding process of the warning fence is completed.
[0035] The specific use mode and effect of the embodiment are as follows:
[0036] In the utility model, in the state of folding, first, two groups of supporting columns 1 are erected on the ground, the first limiting pin 11 inserted in the barrel 9 and the second limiting pin 13 inserted in the end pin hole of the second support 12 are pulled out; the second support 12 rotates around the rotating seat to make one side adhere to the ground, then the first support 10 rotates around the barrel 9, and the barrel 9 is simultaneously slid downward along the oval sliding groove; in the process, the second support 12 continuously drags on the ground through the storage groove, until the barrel 9 is about to slide to the lowermost end of the sliding groove, the warning fence is slightly lifted upward by holding the handle 8, the second limiting block 15 arranged on the second support 12 is clamped below the first limiting block 14 arranged between the storage grooves, the first limiting pin 11 is inserted into the supporting column 1 and inserted back into the barrel 9 again, the whole unfolding step of the warning fence is completed, the warning fence is supported by the first support 10 and the second support 12, and a plurality of unfolded warning fences can be spliced by inserting the first connecting piece 6 of a previous group of warning fences into the second connecting piece 7 of a subsequent group of warning fences, and the construction site is surrounded by the spliced warning fences.
[0037] The parts not described in the utility model are the known technology of the person skilled in the art.
Claims
1. A simple warning fence for road construction, characterized by: The utility model provides a kind of supporting column (1);The supporting column (1) is two groups, and the lower fixed plate (2) is welded below between supporting column (1) respectively, and the upper fixed plate (3) is welded above, and yellow black stripe line is pasted in the front of lower fixed plate (2) and upper fixed plate (3), and there are multiple railings (4) between lower fixed plate (2) and upper fixed plate (3), railing (4) encloses the planar area between two groups of supporting column (1), lower fixed plate (2) and upper fixed plate (3), and warning sign (5) is tied in the front of railing (4) by iron wire;Two groups of the handle (8) are provided on the supporting column (1), and the receiving groove is set in supporting column (1), and the first support (10) and the second support (12) are received in receiving groove, and the first support (10) and the second support (12) are hinged in bottom by rotating seat.
2. The simple warning fence for road construction according to claim 1, wherein: The lower fixed plate (2) is provided with a plurality of upward blind holes, and the upper fixed plate (3) is provided with a plurality of upward through holes, and the railing (4) is inserted into the through hole and the blind hole.
3. The simple warning fence for road construction according to claim 1, wherein: One group of the supporting column (1) is provided with two groups of the first connecting piece (6) on one side, and the other group of the supporting column (1) is provided with two groups of the second connecting piece (7) on the other side at the same height.
4. The simple warning fence for road construction according to claim 1, wherein: The inner wall of the receiving groove of the supporting column (1) is provided with an oval sliding groove in the upper direction on both sides, and the sliding groove is provided with a pin hole at the upper end and the lower end, and the cylinder (9) is slidably connected in the sliding groove, the first support (10) is fixedly connected to the lower end of the cylinder (9), and the first limiting pin (11) is inserted into the cylinder (9); The second support (12) is provided with a pin hole at the end, and the second limiting pin (13) is inserted into the pin hole, and the second limiting pin (13) and the first limiting pin (11) are inserted into the supporting column (1).
5. The simple warning fence for road construction according to claim 1, wherein: The first limiting block (14) is arranged in the receiving groove of the supporting column (1) near the lower end; The second limiting block (15) is arranged on one side of the second support (12) near the middle.
6. The simple warning fence for road construction according to claim 5, wherein: The first support (10) is provided with an avoiding through hole at the height of the second limiting block (15), and the second limiting block (15) is inserted into the avoiding through hole; The second support (12) is provided with an avoiding blind hole on the other side at the height of the second limiting block (15).
Citation Information
Patent Citations
Road pavement isolation fence
CN218406833U