Road construction guardrail

Abstract

The utility model provides a guardrail for road construction. The guardrail for road construction comprises a fixing column, a protection plate assembly and a transmission assembly. The road construction guardrail is provided with the protection plate assembly, the driving assembly and the transmission assembly are matched to drive the protection plate assembly to do unfolding motion or folding motion at the same time, the protection plate assembly can be rapidly unfolded when the construction guardrail is used, the protection assembly can be rapidly folded when the construction guardrail is transported, the occupied area is reduced, and transportation is convenient; by arranging the fixing rod and the control assembly, after the sliding piece slides to a proper position, the position of the supporting plate is adjusted, the construction guardrail is stably placed on the bottom face, by arranging the universal wheels, the construction guardrail is convenient to move, the workload of workers is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction guardrail protection, in particular to a road construction guardrail. Background Art

[0002] Road construction guardrails, as important construction safety facilities, play an important preventive role in construction accidents. During the construction process, guardrails need to be set up around the construction site to warn people who are not related to the project to enter the construction site, ensure the safety of construction workers and pedestrians, and avoid safety accidents.

[0003] A Chinese utility model patent with publication number CN219864453U discloses a road construction guardrail, which facilitates the fixing and installation of the road construction guardrail by installing a fixing mechanism, thereby improving the firmness of the road construction guardrail. However, the main structure of the construction guardrail is a fixed frame, which is not easy to fold, occupies a large area during transportation, is not easy to transport, and reduces work efficiency. Summary of the invention

[0004] In view of this, the utility model proposes a road construction guardrail, including a fixed column, a guard plate assembly and a transmission assembly; the interior of the fixed column is a hollow structure, and a driving assembly is arranged therein; the guard plate assembly includes three sequentially meshed and connected, namely a first guard plate, a second guard plate and a third guard plate, the end of the first guard plate passes through the first side of the fixed column and is connected to the driving assembly, and when the driving assembly is started, it drives the first guard plate to rotate, thereby driving the second guard plate and the third guard plate to follow the expansion or folding through the meshing action; the transmission assembly includes two groups, one of which is arranged above the guard plate assembly, and the other is arranged below the guard assembly, and the transmission assembly arranged above includes three groups that are hinged in sequence. The first connecting rod and the second connecting rod, one end of the first connecting rod is hinged on the top of the first side of the fixed column, and the other end is hinged to the second connecting rod through a Z-shaped plate, and the two ends of the Z-shaped plate are hinged to the first connecting rod and the second connecting rod respectively, and two first connecting holes are arranged in the middle of the Z-shaped plate, which are respectively axially connected to the top of the connecting end of the first protective plate and the second protective plate; the second connecting rod is hinged to an L-shaped plate at one end away from the first connecting rod, and the L-shaped plate is correspondingly provided with two second connecting holes, which can be axially connected to the top of the connecting end of the second protective plate and the third protective plate respectively; the transmission assembly arranged at the bottom is completely consistent with the transmission assembly arranged at the top, and the positions where they are connected to the protective assembly are both corresponding to the positions at the bottom.

[0005] Preferably, a first gear is respectively arranged on the top of the first protective plate and the second protective plate connecting end corresponding to the transmission assembly arranged at the top, a central axis is arranged on the side of the first gear away from the protective plate assembly, the corresponding first connecting hole axis is connected to the central axis and can rotate relative to the central axis; correspondingly, the transmission assembly arranged at the bottom is provided with corresponding components and connection relationships.

[0006] Preferably, a second gear is arranged at the top of the connecting end of the second protective plate and the third protective plate, and a central axis is arranged on the side of the second gear away from the protective plate assembly, and the corresponding second connecting hole axis is connected to the central axis and can rotate relative to the central axis; correspondingly, the transmission assembly arranged below is provided with corresponding components and connection relationships.

[0007] Preferably, the driving assembly includes a servo motor, a driving bevel gear, a driven bevel gear and a rotating rod; the servo motor is arranged on the side wall of the second side inside the fixed column, and the two ends of the rotating rod are respectively axially connected to the top wall and the bottom wall of the fixed column, the driving bevel gear is coaxially connected to the shaft of the servo motor, the driven bevel gear is coaxially connected to the rotating rod, and the driving bevel gear and the driven bevel gear are meshingly arranged, when the servo motor drives the driving bevel gear to rotate, the rotating rod is driven to rotate through the meshing relationship with the driven bevel gear, and an open structure is correspondingly arranged on the first side of the fixed column, the first protective plate is connected to the rotating rod through the open structure, and can drive the first protective plate to rotate through the rotating rod.

[0008] Preferably, an insertion rod is provided at the second end of the fixed column, and a sleeve is provided on the free side of the third-party guardplate. By inserting the insertion rod of one road construction guardrail into the sleeve of another road construction guardrail, the two road construction guardrails can be connected together to extend the protection range.

[0009] Preferably, the bottom of the fixing column and the guardrail assembly are both provided with fixing rods, which can support the entire guardrail.

[0010] Preferably, a universal wheel is provided at the bottom of the fixing rod and is connected via a fixing plate, wherein one side of the fixing plate is connected to the fixing rod, and the other side of the fixing plate is connected to the universal wheel.

[0011] Preferably, a control component is also provided on the fixed rod at the bottom of the fixed column, and the control component includes two slides, a support plate and a connecting plate; the two slides can be slidably connected to the fixed rod from top to bottom, one end of the support plate is hinged to the slide located above, and the other end is a free end, one end of the connecting plate is hinged to the slide located below, and the other end is hinged to the middle part of the support plate; when the two slides are connected to different positions on the fixed rod, the connection angle of the support plate and the connecting plate can be adjusted, and the fixed rod can be fixed at the same time to prevent it from sliding through the universal wheel.

[0012] Preferably, the sliding member includes a sleeve, a connecting seat and a latch, the sleeve is sleeved and connected to the fixed rod, the connecting seat is fixedly connected to the sleeve, the sleeve is provided with a socket, the latch is inserted in the socket and can fix the sleeve to different positions of the fixed rod; the connecting seat of the sliding member located above is hinged to the support plate, and the connecting seat of the sliding member located below is hinged to the connecting plate, and a plurality of connecting holes are provided on the fixed rod corresponding to the latch and the socket, and the latch can connect the sleeve to the fixed rod by being inserted in the socket and the connecting hole.

[0013] Preferably, a fixing seat is provided in the middle of the support plate, and the connecting plate is hinged to the fixing seat.

[0014] A road construction guardrail provided by the utility model has the following advantages: the road construction guardrail is provided with a guard plate assembly, and the driving assembly and the transmission assembly cooperate to drive the guard plate assembly to perform an expansion movement or a folding movement at the same time. When the construction guardrail is used, the guard plate assembly can be quickly expanded, and when the construction guardrail is transported, the guard assembly can be quickly folded, thereby reducing the footprint and facilitating transportation. By arranging a fixing rod and a control assembly, after the sliding part slides to a suitable position, the position of the support plate is adjusted so that the construction guardrail is stably placed on the bottom surface, and by arranging a universal wheel, the construction guardrail is easy to move, thereby reducing the workload of the staff and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0016] Figure 1 A schematic diagram of the overall structure of a road construction guardrail provided by an embodiment of the utility model;

[0017] Figure 2Another schematic diagram of the overall structure of the road construction guardrail provided by the embodiment of the utility model;

[0018] Figure 3 A front structural cross-sectional view of a road construction guardrail provided by an embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the structure of a transmission assembly provided in an embodiment of the utility model;

[0020] Figure 5 A schematic diagram of the structure of a control component provided in an embodiment of the utility model;

[0021] In the figure, 1, fixed column, 2, protective plate assembly, 3, transmission assembly, 4, plug rod, 5, sleeve, 6, fixed rod, 7, control assembly;

[0022] 11. servo motor, 12. driving bevel gear, 13. driven bevel gear, 14. rotating rod, 15. open structure, 21. first protective plate, 22. second protective plate, 23. third party protective plate, 31. first connecting rod, 32. second connecting rod, 33. Z-shaped plate, 331. first connecting hole, 34. L-shaped plate, 341. second connecting hole, 35. first gear, 36. second gear, 61. universal wheel, 62. fixing plate, 63. connecting hole, 71. sliding part, 711. sleeve, 712. connecting seat, 713. latch, 72. support plate, 721. fixing seat, 73. connecting plate. DETAILED DESCRIPTION

[0023] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the absence of conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] See also Figure 1-5As shown, it is a road construction guardrail provided by an embodiment of the utility model, including a fixed column 1, a guard plate assembly 2 and a transmission assembly 3; the interior of the fixed column 1 is a hollow structure, and a driving assembly is arranged therein; the guard plate assembly 2 includes three sequentially meshed and connected, namely a first guard plate 21, a second guard plate 22 and a third guard plate 23, the end of the first guard plate 21 passes through the first side of the fixed column 1 and is connected to the driving assembly, and when the driving assembly is started, it drives the first guard plate 21 to rotate, thereby driving the second guard plate 22 and the third guard plate 23 to follow the expansion or folding through the meshing action; the transmission assembly 3 includes two groups, one of which is arranged above the guard plate assembly 2, and the other is arranged below the guard assembly 2, and the transmission assembly 3 arranged above includes a first connecting rod 31 and a second connecting rod 31 which are hinged in sequence. Connecting rod 32, one end of the first connecting rod 31 is hinged to the top of the first side of the fixing column 1, and the other end is hinged to the second connecting rod 32 through a Z-shaped plate 33, and the two ends of the Z-shaped plate 33 are hinged to the first connecting rod 31 and the second connecting rod 32 respectively. Two first connecting holes are set in the middle of the Z-shaped plate 33, which are respectively axially connected to the top of the connecting end of the first protective plate 21 and the second protective plate 22. The second connecting rod 32 is hinged to an L-shaped plate 34 at one end away from the first connecting rod 31. Two second connecting holes are correspondingly provided on the L-shaped plate 34, which can be axially connected to the top of the connecting end of the second protective plate 22 and the third protective plate 23 respectively. The transmission assembly 3 arranged at the bottom is completely consistent with the transmission assembly 3 arranged at the top, and the positions where they are connected to the protective plate assembly 2 are both corresponding to the lower positions. Specifically, when the driving assembly drives the first protective plate 21 to move, the second protective plate 22 is driven to move through the meshing action. When the second protective plate 22 moves, the third protective plate 23 is driven to move through the meshing action. In this process, due to the cooperation of the transmission assembly 3, the entire protective plate assembly 2 can be expanded or folded.

[0025] Reference Figure 1-3 As shown, a first gear 35 is respectively arranged on the top of the connecting end of the first protective plate 21 and the second protective plate 22 corresponding to the transmission assembly 3 arranged at the top, and a central axis is arranged on the side of the first gear 35 away from the protective plate assembly 2, and the corresponding first connecting hole axis is connected to the central axis and can rotate relative to the central axis; correspondingly, the transmission assembly 3 arranged at the bottom is provided with corresponding components and connection relationships. It can be seen from the figure that a first gear 35 is correspondingly arranged at the upper and lower ends of the first protective plate 21, and a first gear 35 is also correspondingly arranged at the top and bottom of the second protective plate 22 connected to the first protective plate 21. Since the top and the bottom can be meshed and connected through the first gear 35, the stability of the connection between the first protective plate 21 and the second protective plate 22 is guaranteed.

[0026] Continue to refer to Figure 1-3 As shown, a second gear 36 is provided at the top of the connecting end of the second protective plate 22 and the third protective plate 23, and a central axis is provided on the side of the second gear 36 away from the protective plate assembly 2, and the corresponding second connecting hole axis is connected to the central axis and can rotate relative to the central axis; correspondingly, the transmission assembly 3 arranged below is provided with corresponding components and connection relationships. As shown in the figure, a second gear 36 is provided at the upper and lower ends of the second protective plate 22, and a corresponding one is also provided at the top and bottom of the third protective plate 23. Since the top and the bottom can be meshed and connected through the second gear 36, the stability of the connection between the second protective plate 22 and the third protective plate 23 is guaranteed.

[0027] Reference Figure 3 As shown, the driving assembly includes a servo motor 11, a driving bevel gear 12, a driven bevel gear 13 and a rotating rod 14; the servo motor 11 is arranged on the side wall of the second side inside the fixed column 1, and the two ends of the rotating rod 14 are respectively axially connected to the top wall and the bottom wall of the fixed column 1, the driving bevel gear 12 is coaxially connected to the shaft of the servo motor 11, the driven bevel gear 13 is coaxially connected to the rotating rod 14, and the driving bevel gear 12 is meshed with the driven bevel gear 13. When the servo motor 11 drives the driving bevel gear 12 to rotate, the rotating rod 14 is driven to rotate through the meshing relationship with the driven bevel gear 13. An open structure is correspondingly arranged on the first side of the fixed column 1, and the first protective plate 21 is connected to the rotating rod 14 through the open structure, and can drive the first protective plate 21 to rotate through the rotating rod 14. Specifically, the rotation range of the rotating rod 14 can be controlled by controlling the rotation of the servo motor 11, thereby controlling the first protective plate 21 to move within a certain range, and further driving the second protective plate 22 and the third protective plate 23 to be unfolded or folded.

[0028] Reference Figure 1-3 As shown, the second end of the fixed column 1 is provided with an insertion rod 4, and the free side of the third-party guard plate 23 is provided with a sleeve 5. By inserting the insertion rod 4 of one road construction guardrail into the sleeve 5 of another road construction guardrail, the two road construction guardrails can be connected together, thereby lengthening the protection range of the overall guardrail.

[0029] Continue to refer to Figure 1-3 As shown, the bottom of the fixing column 1 and the guardrail assembly 2 are both provided with a fixing rod 6, which can support the entire guardrail.

[0030] Reference Figure 1-3As shown in FIG. 5 , a universal wheel 61 is provided at the bottom of the fixing rod 6 and is connected via a fixing plate 62. One side of the fixing plate 62 is connected to the fixing rod 6 and the other side is connected to the universal wheel 61, so as to facilitate the movement of the entire guardrail.

[0031] Continue to refer to Figure 1-3 As shown in Figure 5, a control component 7 is also provided on the fixed rod 6 at the bottom of the fixed column 1, and the control component includes two slides 71, a support plate 72 and a connecting plate 73; the two slides 71 are slidably connected to the fixed rod 6 from top to bottom, one end of the support plate 72 is hinged to the slide 71 located above, and the other end is a free end, one end of the connecting plate 73 is hinged to the slide 71 located below, and the other end is hinged to the middle part of the support plate 72. When the two slides 71 are connected to different positions on the fixed rod 6, the connection angles of the support plate 72 and the connecting plate 73 can be adjusted, and the fixed rod 6 can be fixed at the same time to prevent it from sliding through the universal wheel 61.

[0032] Reference Figure 5 As shown, the slide 71 includes a sleeve 711, a connecting seat 712 and a latch 713, the sleeve 711 is sleeved and connected to the fixed rod 6, the connecting seat 712 is fixedly connected to the sleeve 711, the sleeve 711 is provided with a socket, and the latch 713 inserted in the socket can fix the sleeve 711 to different positions of the fixed rod 6; the connecting seat 712 of the slide 71 located at the top is hinged to the support plate 72, and the connecting seat 712 of the slide 71 located at the bottom is hinged to the connecting plate 73, corresponding to the latch 713 and the socket, the fixed rod 6 is provided with a plurality of connecting holes 63, and the latch 713 can connect the sleeve 711 to the fixed rod 6 by being inserted in the socket and the connecting hole 63.

[0033] Continue to refer to Figure 5 As shown, a fixing seat 721 is provided in the middle of the support plate 72 , and the connecting plate 73 is hinged to the fixing seat 721 .

[0034] In summary, a road construction guardrail provided in this embodiment has the following beneficial technical effects: the road construction guardrail is provided with a protective plate assembly, and the protective plate assembly is driven by the cooperation of the driving assembly and the transmission assembly to simultaneously perform an expansion movement or a folding movement. When the construction guardrail is used, the protective plate assembly can be quickly expanded, and when the construction guardrail is transported, the protective assembly can be quickly folded, thereby reducing the footprint and facilitating transportation. By providing a fixed rod and a control assembly, after the sliding part slides to the appropriate position, the position of the support plate is adjusted so that the construction guardrail is stably placed on the bottom surface, and by providing universal wheels, the construction guardrail can be easily moved, thereby reducing the workload of the staff and improving work efficiency.

[0035] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0036] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A road construction guardrail, characterized in that: include: A fixed column, the interior of which is a hollow structure and a driving component is arranged therein; A protective plate assembly, comprising three protective plates that are meshed and connected in sequence, namely, a first protective plate, a second protective plate, and a third protective plate. The end of the first protective plate passes through the first side of the fixing column and is connected to the driving assembly. When the driving assembly is started, the first protective plate is driven to rotate, thereby driving the second protective plate and the third protective plate to follow the unfolding or folding through the meshing action. The transmission assembly comprises two groups, one group of which is arranged above the protective plate assembly, and the other group is arranged below the protective plate assembly. The transmission assembly arranged above comprises a first connecting rod and a second connecting rod hinged in sequence, one end of the first connecting rod is hinged to the top of the first side of the fixed column, and the other end is hinged to the second connecting rod through a Z-shaped plate, and the two ends of the Z-shaped plate are hinged to the first connecting rod and the second connecting rod respectively. Two first connecting holes are arranged in the middle of the Z-shaped plate, which are respectively axially connected to the top of the first protective plate and the second protective plate connecting end; the second connecting rod is hinged to an L-shaped plate at one end away from the first connecting rod, and two second connecting holes are correspondingly arranged on the L-shaped plate, which can be axially connected to the top of the second protective plate and the third protective plate connecting end respectively. The transmission assembly arranged below is completely consistent in structure with the transmission assembly arranged above, and the positions where they are connected to the protective plate assembly are both corresponding to the positions below.

2. The road construction guardrail according to claim 1, characterized in that: A first gear is respectively arranged on the top of the first protective plate and the second protective plate connecting end corresponding to the transmission assembly arranged at the top, a central axis is arranged on the side of the first gear away from the protective plate assembly, the corresponding first connecting hole axis is connected to the central axis and can rotate relative to the central axis; correspondingly, the transmission assembly arranged at the bottom is provided with corresponding components and connection relationships.

3. The road construction guardrail according to claim 2, characterized in that: A second gear is arranged at the top of the connecting end of the second protective plate and the third protective plate, and a central axis is arranged on the side of the second gear away from the protective plate assembly, and the corresponding second connecting hole axis is connected to the central axis and can rotate relative to the central axis; correspondingly, the transmission assembly arranged below is provided with corresponding components and connection relationships.

4. The road construction guardrail according to claim 1, characterized in that: The driving assembly includes a servo motor, a driving bevel gear, a driven bevel gear and a rotating rod; the servo motor is arranged on the side wall of the second side inside the fixed column, and the two ends of the rotating rod are respectively axially connected to the top wall and the bottom wall of the fixed column, the driving bevel gear is coaxially connected to the shaft of the servo motor, the driven bevel gear is coaxially connected to the rotating rod, and the driving bevel gear and the driven bevel gear are meshingly arranged, when the servo motor drives the driving bevel gear to rotate, the rotating rod is driven to rotate through the meshing relationship with the driven bevel gear, and an open structure is correspondingly arranged on the first side of the fixed column, the first protective plate is connected to the rotating rod through the open structure, and can drive the first protective plate to rotate through the rotating rod.

5. The road construction guardrail according to claim 1, characterized in that: The second end of the fixed column is provided with an insertion rod, and the free side of the third protective plate is provided with a sleeve. By inserting the insertion rod of one road construction guardrail into the sleeve of another road construction guardrail, the two road construction guardrails can be connected together to extend the protection range.

6. The road construction guardrail according to any one of claims 1 to 5, characterized in that: The bottoms of the fixing column and the protective plate assembly are both provided with fixing rods, which can support the entire guardrail.

7. The road construction guardrail according to claim 6, characterized in that: A universal wheel is provided at the bottom of the fixing rod and is connected via a fixing plate, one side of the fixing plate is connected to the fixing rod, and the other side of the fixing plate is connected to the universal wheel.

8. The road construction guardrail according to claim 7, characterized in that: A control component is also provided on the fixed rod at the bottom of the fixed column, and the control component includes two slides, a support plate and a connecting plate; the two slides can be slidably connected to the fixed rod from top to bottom, one end of the support plate is hinged to the slide located above, and the other end is a free end, one end of the connecting plate is hinged to the slide located below, and the other end is hinged to the middle part of the support plate. When the two slides are connected to different positions on the fixed rod, the connection angle of the support plate and the connecting plate can be adjusted, and the fixed rod can be fixed at the same time to prevent it from sliding through the universal wheel.

9. The road construction guardrail according to claim 8, characterized in that: The sliding member includes a sleeve, a connecting seat and a latch, the sleeve is sleeved and connected to the fixed rod, the connecting seat is fixedly connected to the sleeve, there is a socket on the sleeve, the latch is inserted in the socket and can fix the sleeve to different positions of the fixed rod; the connecting seat of the sliding member located at the top is hinged to the support plate, and the connecting seat of the sliding member located at the bottom is hinged to the connecting plate, corresponding to the latch and the socket, a plurality of connecting holes are provided on the fixed rod, and the latch can connect the sleeve to the fixed rod by being inserted in the socket and the connecting hole.

10. The road construction guardrail according to claim 9, characterized in that: A fixing seat is provided in the middle of the supporting plate, and the connecting plate is hinged to the fixing seat.

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