A type of movable guardrail with a quick-opening gate function.

Abstract

This invention discloses a gate-type quick-opening anti-collision movable guardrail, comprising a first guardrail, a first movable plate, a limiting block, a movable plate, a pin, a protruding plate, and a second movable plate. The second movable plate passes through an electric opening and closing mechanism on the second guardrail, and a second protruding tooth is fixed to the front end face of the second movable plate. When the third sprocket on the left side rotates, it drives the first movable plate to move to the left. After the movable plate and the pin move to the left and disengage from the slot, two fourth guardrails can be unlocked. After the protruding tooth on the first movable plate meshes with the corresponding incomplete gear, the third sprockets on both the left and right sides rotate simultaneously. The incomplete gear on the left moves with the movement of the first movable plate, and the incomplete gear on the right moves with the movement of the second movable plate, facilitating automatic and rapid opening of the third and fourth guardrails.

Description

Technical Field

[0001] This invention relates to the field of guardrail technology, specifically to a crashworthy movable guardrail with a gate-style quick-opening function. Background Technology

[0002] Crash barriers are typical cold-formed steel products, with advantages such as good impact resistance, low cost, long service life, higher safety, and environmental friendliness.

[0003] Extensive research revealed that a typical example of an existing crash barrier is disclosed in publication number CN107503307A. This crash barrier features a post with a groove containing a fixing block. A first buffer layer is provided between the fixing block and the front and rear side walls of the groove. The fixing block, the first buffer layer, and the post are fastened together by a first bolt and a first nut. The fixing block has a receiving groove containing a rotating rod. Two partition plates are mounted on the rotating rod. A torsion spring is fitted onto the rotating rod outside the partition plates. Steel wire ropes connect the corresponding receiving grooves of the two posts. The ends of the steel wire ropes are wound around the rotating rods inside the two partition plates and fixed to the rotating rods. Several railings are connected between the upper and lower steel wire ropes. Each railing has a hanging ring at both ends, containing a second buffer layer and a first friction element, which is fitted onto the steel wire rope. Corrugated crash plates are mounted on the railings.

[0004] Existing crash barriers are generally fixed in size, making them inconvenient to extend or retract, and not flexible in use. It is difficult to adjust their length according to specific needs. Furthermore, gate-type crash barriers generally require manual opening and closing, which is not quick and convenient, and they usually require manual locking. Therefore, a movable crash barrier with a gate-type quick-opening function is proposed to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a crash barrier with a gate-type quick-opening function, in order to solve the problems mentioned in the background art, that the existing crash barriers are generally fixed in size, inconvenient to extend and retract, not flexible in use, and difficult to adjust their length according to specific needs. Furthermore, gate-type crash barriers generally require manual opening and closing, which is not fast and convenient enough, and they generally require manual locking.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a movable guardrail with a gate-type quick-opening function, comprising a first guardrail, a first movable plate, a limiting block, a movable plate, a pin, a protruding plate, and a second movable plate. The bottom of both the first and second guardrails is fixed with mounting bases. One side of the first and second guardrails is connected to a third guardrail via a connecting shaft. Incomplete gears are symmetrically fixed at both ends of the connecting shaft. The third guardrail is fixed to the connecting shaft with fixing bolts. A fourth guardrail is inserted inside the third guardrail. An electric opening and closing mechanism is fixed to the rear side of both the first and second guardrails. The first movable plate passes through the electric opening and closing mechanism on the first guardrail. A first protruding tooth is fixed to the front end face of the first movable plate. The movable plate is connected to one of the fourth guardrails via a compression spring. A pin is fixed to one side of the movable plate. The protruding plate is fixed to the rear side of the other fourth guardrail. The pin passes through one of the fourth guardrails and engages with the protruding plate. The second movable plate passes through the electric opening and closing mechanism on the second guardrail. A second protruding tooth is fixed to the front end face of the second movable plate.

[0007] Preferably, the fourth guardrail and the third guardrail form a telescopic structure, and the fourth guardrail is fixed to the third guardrail by a stop bar.

[0008] By adopting the above technical solution, the extension length of the fourth guardrail is adjustable.

[0009] Preferably, the electric opening and closing mechanism includes a motor, and the motor is fixed to the rear side of the first guardrail and the rear side of the second guardrail. The top of the motor is connected to a first sprocket, and the inner side of the first sprocket is meshed with a second sprocket. The second sprocket is fixed to the outer side of the rotating shaft, and the two ends of the rotating shaft are symmetrically fixed with third sprockets.

[0010] By adopting the above technical solution, the rotation of the first sprocket will drive the rotation of the second sprocket, the shaft and the third sprocket.

[0011] Preferably, support blocks are symmetrically fixed on both sides of the rear end face of the first guardrail and both sides of the rear end face of the second guardrail, and the third spur gear is rotatably connected inside the support blocks.

[0012] By adopting the above technical solution, the two support blocks can be used to support and limit the first moving plate and the second moving plate, respectively.

[0013] Preferably, the first movable plate passes through the support block on the first guardrail, and the rear end face of the first movable plate is provided with a first toothed groove. The third spur gear in the support block on the first guardrail is meshed with the first toothed groove. The limiting block is fixed to the rear side of one of the third guardrails and is slidably connected to the first movable plate.

[0014] By adopting the above technical solution, the rotation of the third circular gear on the left side will drive the first moving plate to move.

[0015] Preferably, the second movable plate passes through the support block on the second guardrail, and the rear end face of the second movable plate is provided with a second tooth groove, and the third spur gear in the support block on the second guardrail is meshed with the second tooth groove.

[0016] By adopting the above technical solution, the rotation of the third circular gear on the right side will drive the second moving plate to move.

[0017] Preferably, the incomplete gear engagement of the connecting shaft on the second guardrail is connected to the second convex tooth.

[0018] By adopting the above technical solution, the incomplete gear on the right side will rotate as the second moving plate moves.

[0019] Preferably, the movable plate is attached to the first movable plate, the pins are evenly distributed on the movable plate, and a slot is provided on one side of the protruding plate, and the pins are engaged in the slot.

[0020] By adopting the above technical solution, the two fourth guardrails can be locked together after the pin is inserted into the slot.

[0021] Preferably, a stop block is fixed on one side of the first guardrail and one side of the second guardrail.

[0022] By adopting the above technical solution, the block can block the third guardrail.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the anti-collision movable guardrail with a gate-type quick-opening function,

[0024] (1) The present invention can realize the function of adjusting the spacing. The fourth guardrail can extend and retract within the third guardrail. By adjusting the extension length of the fourth guardrail, the spacing between the first guardrail and the second guardrail can be adjusted, which makes it convenient to adjust the length of the entire device. After the adjustment operation is completed, the fourth guardrail can be fixed by using the abutment rod. After loosening the fixing bolt, the third guardrail can be removed. After loosening the abutment rod, the fourth guardrail can be pulled out, which is convenient for disassembly, transportation and assembly.

[0025] (2) The present invention can realize the function of automatic opening and closing. The two fourth guardrails are initially locked together by the action of the pin. When the third sprocket on the left rotates, it can drive the first moving plate to move to the left. After the moving plate and the pin move to the left and leave the slot, the two fourth guardrails can be unlocked. After the convex teeth on the first moving plate mesh with the corresponding incomplete gears, the third sprockets on the left and right sides rotate at the same time. The incomplete gear on the left moves with the movement of the first moving plate, and the incomplete gear on the right moves with the movement of the second moving plate, so as to facilitate the automatic and quick opening of the third guardrail and the fourth guardrail.

[0026] (3) The present invention can achieve the effect of automatic locking. After the third guardrail and the fourth guardrail are rotated as a whole and the two fourth guardrails are closed together, the first moving plate moves to the right, the movable plate moves to the right, and the pin finally gets into the slot, which makes it easy to lock the two fourth guardrails together. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the rear view structure of the present invention;

[0028] Figure 2 This is a front view structural diagram of the present invention;

[0029] Figure 3 This is a top view cross-sectional structural diagram of the present invention;

[0030] Figure 4 This is a schematic diagram of the connection structure of the first guardrail, second guardrail, mounting base, incomplete gear, third guardrail, fourth guardrail, rotating shaft, support block, third spur gear, first moving plate, limiting block, first tooth groove, first convex tooth, movable plate, pin, compression spring, slot, convex plate, second moving plate, second tooth groove and second convex tooth of the present invention.

[0031] Figure 5 This is a schematic diagram of the connection structure between the slot and the protrusion plate of the present invention;

[0032] Figure 6 This is a schematic diagram of the third protective railing structure of the present invention.

[0033] In the diagram: 1. First guardrail; 2. Second guardrail; 3. Mounting base; 4. Connecting shaft; 5. Incomplete gear; 6. Third guardrail; 7. Fixing bolt; 8. Fourth guardrail; 9. Support bar; 10. Stop block; 11. Electric opening and closing mechanism; 1101. Motor; 1102. First spur gear; 1103. Second spur gear; 1104. Rotating shaft; 1105. Support block; 1106. Third spur gear; 12. First moving plate; 13. Limiting block; 14. First tooth groove; 15. First convex tooth; 16. Movable plate; 17. Pin; 18. Compression spring; 19. Slot; 20. Protruding plate; 21. Second moving plate; 22. Second tooth groove; 23. Second convex tooth. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figure 1-6 This invention provides a technical solution: a crash-resistant movable guardrail with a gate-type quick-opening function, such as... Figure 3 and Figure 6 As shown, the system includes a first guardrail 1, a first movable plate 12, a limiting block 13, a movable plate 16, a pin 17, a protruding plate 20, and a second movable plate 21. Mounting seats 3 are fixed to the bottom of both the first guardrail 1 and the second guardrail 2. One side of the first guardrail 1 and one side of the second guardrail 2 are connected to a third guardrail 6 via a connecting shaft 4. Incomplete gears 5 are symmetrically fixed at both ends of the connecting shaft 4. The third guardrail 6 is fixed to the connecting shaft 4 by fixing bolts 7. A fourth guardrail 8 is inserted inside the third guardrail 6. The fourth guardrail 8 and the third guardrail 6 form a telescopic structure, and the fourth guardrail 8 is fixed to the third guardrail 6 by a stop rod 9. The fourth guardrail 8 can extend and retract within the third guardrail 6, allowing for flexible adjustment of the distance between the first guardrail 1 and the second guardrail 2 according to actual conditions. After adjustment, the fourth guardrail 8 can be secured by the stop rod 9.

[0036] like Figure 2 and Figure 3 As shown, a stop block 10 is fixed on one side of the first guardrail 1 and one side of the second guardrail 2. The stop block 10 blocks the third guardrail 6, causing the third guardrail 6 to rotate backward and push open.

[0037] like Figure 1 , Figure 3 and Figure 4 As shown, an electric opening and closing mechanism 11 is fixed to the rear side of the first guardrail 1 and the rear side of the second guardrail 2. The electric opening and closing mechanism 11 includes a motor 1101, which is fixed to the rear side of the first guardrail 1 and the rear side of the second guardrail 2. The top of the motor 1101 is connected to the first sprocket 1102, and the inner side of the first sprocket 1102 is meshed with the second sprocket 1103. The second sprocket 1103 is fixed to the outer side of the rotating shaft 1104, and the two ends of the rotating shaft 1104 are symmetrically fixed with third sprockets 1106. The first sprocket 1102 can rotate under the action of the motor 1101, thereby driving the second sprocket 1103 to rotate, thereby driving the rotating shaft 1104 and the third sprocket 1106 to rotate.

[0038] Furthermore, support blocks 1105 are symmetrically fixed on both sides of the rear end face of the first guardrail 1 and both sides of the rear end face of the second guardrail 2. The third spur gear 1106 is rotatably connected inside the support block 1105. The support block 1105 on the first guardrail 1 plays a supporting and limiting role for the first moving plate 12.

[0039] like Figure 1 , Figure 3 and Figure 4 As shown, the first movable plate 12 passes through the electric opening and closing mechanism 11 on the first guardrail 1, and the first movable plate 12 passes through the support block 1105 on the first guardrail 1. The rear end face of the first movable plate 12 is provided with a first toothed groove 14. The third sprocket 1106 in the support block 1105 on the first guardrail 1 is meshed with the first toothed groove 14. The limiting block 13 is fixed to the rear side of one of the third guardrails 6, and the limiting block 13 is slidably connected to the first movable plate 12. When the third sprocket 1106 in the support block 1105 on the first guardrail 1 rotates, it will drive the first movable plate 12 to move left and right. At this time, the limiting block 13 slides on the first movable plate 12, which facilitates the limiting function.

[0040] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the front end face of the first movable plate 12 is fixed with a first protruding tooth 15. The movable plate 16 is connected to one of the fourth guardrails 8 through a compression spring 18. A pin 17 is fixed on one side of the movable plate 16. The protruding plate 20 is fixed to the rear side of the other fourth guardrail 8. The pin 17 passes through one of the fourth guardrails 8 and is engaged with the protruding plate 20. The movable plate 16 is in close contact with the first movable plate 12. The pins 17 are evenly distributed on the movable plate 16. A slot 19 is opened on one side of the protruding plate 20. The pins 17 are engaged in the slot 19. The two fourth guardrails 8 are initially locked together by the action of the slot 19. When the first movable plate 12 moves to the left, the pin 17 will move to the left and leave the slot 19 under the support of the compression spring 18, making it easy to unlock the two fourth guardrails 8.

[0041] like Figure 1 , Figure 3 and Figure 4 As shown, the second movable plate 21 passes through the electric opening and closing mechanism 11 on the second guardrail 2, and the second movable plate 21 passes through the support block 1105 on the second guardrail 2. The rear end face of the second movable plate 21 is provided with a second toothed groove 22. The third spur gear 1106 in the support block 1105 on the second guardrail 2 is meshed and connected in the second toothed groove 22. The support block 1105 on the second guardrail 2 plays a supporting and limiting role for the second movable plate 21. When the third spur gear 1106 in the support block 1105 on the second guardrail 2 rotates, it will drive the second movable plate 21 to move left and right.

[0042] As shown in the figure Figure 3 and Figure 4 As shown, the front end face of the second movable plate 21 is fixed with a second protruding tooth 23. The incomplete gear 5 on the connecting shaft 4 on the second guardrail 2 is meshed with the second protruding tooth 23. When the second movable plate 21 moves left and right, it will drive the corresponding incomplete gear 5 to rotate, and the corresponding connecting shaft 4 will rotate accordingly, thereby driving the corresponding third guardrail 6 to rotate.

[0043] Working principle: When using this anti-collision movable guardrail with a gate-type quick-opening function, first install the first guardrail 1 and the second guardrail 2 in the designated positions, then pull out the two fourth guardrails 8 and close them together. Next, use the stop bar 9 to press and fix the fourth guardrails 8 in place. The first sprocket 1102 on the left rotates, and the first moving plate 12 moves to the right, thereby pressing the movable plate 16 to move to the right. The pin 17 moves accordingly and inserts into the slot 19, locking the two fourth guardrails 8 together. The rotation of the first sprocket 1102 drives the second sprocket 1103, the rotating shaft 1104, and... When the third sprocket 1106 rotates, the second sprocket 1103 on the left rotates, which can drive the first moving plate 12 to move. When the second sprocket 1103 on the right rotates, it can drive the second moving plate 21 to move. After the first moving plate 12 moves to the left and the first convex tooth 15 meshes with the corresponding incomplete gear 5, the second moving plate 21 begins to move to the right. The third guardrail 6 and the fourth guardrail 8 rotate as a whole and open. After repeating the above operation in reverse, the third guardrail 6 and the fourth guardrail 8 can be closed. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0044] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of the present invention.

[0045] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A movable guardrail with a gate-type quick-opening function, comprising a first guardrail (1), a first movable plate (12), a limiting block (13), a movable plate (16), a pin (17), a protruding plate (20), and a second movable plate (21), wherein the bottom of the first guardrail (1) and the second guardrail (2) are both fixed with mounting bases (3), one side of the first guardrail (1) and one side of the second guardrail (2) are connected to a third guardrail (6) via a connecting shaft (4), wherein incomplete gears (5) are symmetrically fixed at both ends of the connecting shaft (4), the third guardrail (6) is fixed to the connecting shaft (4) by fixing bolts (7), and a fourth guardrail (8) is inserted inside the third guardrail (6), characterized in that: Electric opening and closing mechanisms (11) are fixed to the rear side of the first guardrail (1) and the rear side of the second guardrail (2). The first moving plate (12) passes through the electric opening and closing mechanism (11) on the first guardrail (1). The front end face of the first moving plate (12) is fixed with a first protruding tooth (15). The movable plate (16) is connected to one of the fourth guardrails (8) through a compression spring (18). A pin (17) is fixed to one side of the movable plate (16). The protruding plate (20) is fixed to the rear side of the other fourth guardrail (8). The pin (17) passes through one of the fourth guardrails (8) and is engaged with the protruding plate (20). The second moving plate (21) passes through the electric opening and closing mechanism (11) on the second guardrail (2). After the first moving plate (12) moves to the left and the first protruding tooth (15) meshes with the corresponding incomplete gear (5), the second moving plate (21) begins to move to the right. The front end face is fixed with a second protruding tooth (23). The first moving plate (12) passes through the support block (1105) on the first guardrail (1), and the rear end face of the first moving plate (12) is provided with a first tooth groove (14). The third spur gear (1106) in the support block (1105) on the first guardrail (1) is meshed with the first tooth groove (14). The limiting block (13) is fixed on the rear side of one of the third guardrails (6), and the limiting block (13) slides. The second moving plate (21) is connected to the first moving plate (12). The second moving plate (21) passes through the support block (1105) on the second guardrail (2). The rear end face of the second moving plate (21) is provided with a second tooth groove (22). The third spur gear (1106) in the support block (1105) on the second guardrail (2) is meshed in the second tooth groove (22). The incomplete gear (5) on the connecting shaft (4) on the second guardrail (2) is meshed in the second convex tooth (23).

2. The anti-collision movable guardrail with gate-type quick-opening function according to claim 1, characterized in that: The fourth guardrail (8) and the third guardrail (6) form a telescopic structure, and the fourth guardrail (8) is fixed to the third guardrail (6) by a stop bar (9).

3. A crash-resistant movable guardrail with a gate-type quick-opening function according to claim 1, characterized in that: The electric opening and closing mechanism (11) includes a motor (1101), and the motor (1101) is fixed on the rear side of the first guardrail (1) and the rear side of the second guardrail (2). The top of the motor (1101) is connected to the first spur gear (1102), and the inner side of the first spur gear (1102) is meshed with a second spur gear (1103). The second spur gear (1103) is fixed on the outer side of the rotating shaft (1104), and the two ends of the rotating shaft (1104) are symmetrically fixed with third spur gears (1106).

4. A crash-resistant movable guardrail with a gate-type quick-opening function according to claim 3, characterized in that: Support blocks (1105) are symmetrically fixed on both sides of the rear end face of the first guardrail (1) and both sides of the rear end face of the second guardrail (2), and the third spur gear (1106) is rotatably connected in the support blocks (1105).

5. A crashworthy movable guardrail with a gate-type quick-opening function according to claim 1, characterized in that: The movable plate (16) is attached to the first movable plate (12), and the pins (17) are evenly distributed on the movable plate (16). A slot (19) is provided on one side of the protruding plate (20), and the pins (17) are engaged in the slot (19).

6. A movable guardrail with a gate-type quick-opening function according to claim 1, characterized in that: A stop block (10) is fixed on one side of the first guardrail (1) and one side of the second guardrail (2).

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