Height-adjustable height limiting device

Abstract

The height-adjustable height limiting device comprises a first fixing pile, a second fixing pile of a symmetrical structure is arranged on the left side of the first fixing pile, the inner side of the top end of the first fixing pile and the inner side of the top end of the second fixing pile are welded through a cross beam, and inner cavities are formed in the first fixing pile and the second fixing pile; the inner cavity and the cross beam are of a communicating structure, and bottom frames are welded to the bottom ends of the first fixing pile and the second fixing pile correspondingly. The motor is controlled and drives the winding shaft to rotate to perform winding control on the connecting rope, so that the height limiting fence can be adjusted in size according to scale marks and can be adjusted according to the height limiting requirement of a vehicle, and the situation that the height of the height limiting fence cannot be adjusted, so that passing of the vehicle is affected is prevented; the stabilizing devices are arranged on the two sides of the height limiting fence, and when the height limiting fence ascends and descends, the height limiting fence can ascend and descend stably under the action of the connecting rods, so that the situation of collision during ascending and descending is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of practical road height limit, and specifically relates to a height-adjustable height limit device. Background Art

[0002] Height limit fences limit the height of passing vehicles to ensure the safety of vehicles and equipment and facilities on the road. In order to prevent large vehicles from passing, some roads will set up height limit poles at intersections. Traditional fixed structure road height limit fences are mostly unable to be adjusted. When emergency vehicles need to pass through this section of road, they need to be removed, otherwise they will not be able to pass, affecting emergency rescue or causing destructive damage. Therefore, the utility model provides a height adjustable height limit device to solve the above problems. Utility Model Content

[0003] The purpose of the present invention is to provide a height-adjustable height-limiting device to solve the problems in the above-mentioned background technology.

[0004] To achieve the above purpose, the present invention provides the following technical solution: a height-adjustable height-limiting device, comprising:

[0005] A first fixing pile, a second fixing pile with a symmetrical structure is provided on the left side of the first fixing pile, the first fixing pile and the second fixing pile are welded to the inner side of the top end through a crossbeam, and the first fixing pile and the second fixing pile have an inner cavity inside, the inner cavity and the crossbeam are in a communicating structure, and the bottom ends of the first fixing pile and the second fixing pile are both welded with a bottom frame, and fixing bolts are provided on the bottom frame;

[0006] A scale line is provided on the front end surface of the first fixed pile, a safety box is provided on the right side of the lower end of the first fixed pile, and a driving mechanism is provided inside the safety box, the driving mechanism is connected to a winding device, the winding device is in a single roller in the first fixed pile, the winding device extends to the double rollers in the beam, and the winding device is in a through hole opened at the bottom end of the beam;

[0007] The bottom end of the winding device is connected to the height limit fence through a connecting ring, and signboards are provided on both sides of the upper end of the height limit fence, and stabilizing devices are respectively provided at both ends of the height limit fence, and the stabilizing devices are respectively located in the inner cavity of the inner ends of the first fixed pile and the second fixed pile, and the two ends of the height limit fence are respectively located in the strip grooves opened on the inner end surfaces of the first fixed pile and the second fixed pile.

[0008] Preferably, as a preferred embodiment of the present invention, the driving mechanism includes a motor, a fixed seat, a driving gear and a connecting gear, the motor is installed through the fixed seat, and the driving gear at the front end of the motor is meshed and linked with the connecting gear on the winding device.

[0009] Preferably, as a preferred embodiment of the present invention, the winding device includes a winding shaft, a connecting rope and a protective plate, the front and rear sides of the winding shaft are provided with protective plates, and a connecting rope is provided in the middle of the winding shaft.

[0010] Preferably, as a preferred embodiment of the present invention, the stabilizing device includes a first connecting block, a second connecting block and a connecting column, the second connecting block is provided at the rear of the first connecting block, and connecting columns with a through structure are provided in the first connecting block and the second connecting block.

[0011] Preferably, as a preferred embodiment of the present invention, a gap is provided between the stabilizing device and the inner end surfaces of the first fixing pile and the second fixing pile respectively.

[0012] Preferably, as a preferred embodiment of the present invention, the connecting column has a smooth surface, and the interior of the connecting column is a solid structure.

[0013] Preferably, as a preferred embodiment of the present invention, an inner groove is provided on the lower side of the safety box, a control button is provided inside the safety box, and a safety cover is provided on the inner groove.

[0014] Preferably, as a preferred embodiment of the present invention, flow guide holes are provided on the inner sides of the bottom ends of the first fixing pile and the second fixing pile, and the flow guide holes are connected to the inner cavity.

[0015] Preferably, as a preferred embodiment of the present invention, both ends of the height limit fence are not in contact with the first fixing pile and the second fixing pile respectively.

[0016] Preferably, as a preferred embodiment of the present invention, the following steps are included:

[0017] Step 1: Open the safety cover, control the control button, and the motor drives the reel to rotate;

[0018] Step 2: While the reel is rotating, the connecting rope is reeled in, and the connecting rope is retracted in the single roller and the double roller respectively;

[0019] Step 3: The height limit barrier is raised and lowered. Through the action of the connecting column, the height limit barrier can be raised and lowered stably. The height limit barrier is raised and lowered according to the scale line based on the height limit of the vehicle, so that the vehicle can pass safely. After the vehicle passes, the height limit barrier is restored to its original position.

[0020] Compared with the prior art, the beneficial effects of this invention are:

[0021] 1. In the present invention, the motor is controlled to drive the winding shaft to rotate to control the winding of the connecting rope, so that the height limit fence can be adjusted in size according to the scale line, so that the height limit fence can be adjusted according to the height limit requirements of the vehicle, to prevent the height limit fence from affecting the passage of the vehicle due to the inability to adjust the height.

[0022] 2. In the present invention, by providing stabilizing devices on both sides of the height limit fence, the height limit fence can be stably raised and lowered through the action of the connecting rod while being raised and lowered, thereby avoiding collision during the raising and lowering. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The overall structure diagram of this utility model is as follows;

[0024] Figure 2 This is a schematic diagram of the partial connection structure of the height limit fence and the stabilizing device of this utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the extrusion separation device of this utility model;

[0026] Figure 4 This is a top view of the internal connection structure between the fixed pile and the height limit fence of this utility model;

[0027] Figure 5 This is a schematic diagram of the partial connection structure between the driving mechanism and the winding device of the present invention;

[0028] Figure 6 This is a schematic diagram of the double roller structure of this utility model;

[0029] Figure 7 This is the right view of the partial connection structure between the fixed pile and the height limit fence of this utility model.

[0030] In the figure: 1. first fixed pile; 2. second fixed pile; 3. crossbeam; 4. base frame; 5. fixing bolt; 6. safety box; 7. inner groove; 8. safety cover; 9. graduation line; 10. height limit fence; 11. connecting ring; 12. winding device; 1201. winding shaft; 1202. connecting rope; 1203. protective plate; 13. strip groove; 14. stabilizing device; 1401. first connecting block; 1402. second connecting block; 1403. connecting column; 15. signboard; 16. inner cavity; 17. single roller; 18. double rollers; 19. through hole; 20. driving mechanism; 2001. motor; 2002. fixing seat; 2003. driving gear; 2004. connecting gear. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] In the description of this utility, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing this utility and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this utility. In addition, in the description of this utility, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In the description of this utility, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 mechanical connection or an electrical connection. It can be a direct connection or a connection through an intermediate medium. It can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility can be understood according to the specific circumstances. The meaning of "multiple" in this utility is two or more, unless otherwise clearly and specifically limited, they all fall within the scope of protection of this utility.

[0034] Example 1: Figure 1-7 , this utility model provides a technical solution: including:

[0035] A first fixed pile 1, a second fixed pile 2 with a symmetrical structure is provided on the left side of the first fixed pile 1, the inner sides of the top ends of the first fixed pile 1 and the second fixed pile 2 are welded by a cross beam 3, and an inner cavity 16 is opened inside the first fixed pile 1 and the second fixed pile 2, and the inner cavity 16 is in a communicating structure with the cross beam 3, and a bottom frame 4 is welded to the bottom ends of the first fixed pile 1 and the second fixed pile 2, and a fixing bolt 5 is provided on the bottom frame 4;

[0036] A scale line 9 is provided on the front end surface of the first fixed pile 1, a safety box 6 is provided on the right side of the lower end of the first fixed pile 1, and a driving mechanism 20 is provided inside the safety box 6. The driving mechanism 20 is connected to a winding device 12, and the winding device 12 is in a single roller 17 in the first fixed pile 1. The winding device 12 extends to a double roller 18 in the beam 3, and the winding device 12 is in a through hole 19 opened at the bottom end of the beam 3;

[0037] The bottom end of the winding device 12 is connected to the height limit fence 10 through a connecting ring 11, and signboards 15 are provided on both sides of the upper end of the height limit fence 10, and stabilizing devices 14 are respectively provided at both ends of the height limit fence 10. The stabilizing devices 14 are respectively located in the inner cavity 16 of the inner ends of the first fixed pile 1 and the second fixed pile 2, and the two ends of the height limit fence 10 are respectively located in the strip grooves 13 opened on the inner end surfaces of the first fixed pile 1 and the second fixed pile 2.

[0038] The driving mechanism 20 includes a motor 2001 , a fixing seat 2002 , a driving gear 2003 and a connecting gear 2004 . The motor 2001 is installed through the fixing seat 2002 . The driving gear 2003 at the front end of the motor 2001 is meshed and linked with the connecting gear 2004 on the winding device 12 .

[0039] The winding device 12 includes a winding shaft 1201 , a connecting rope 1202 and a protective plate 1203 . The protective plates 1203 are provided on both the front and rear sides of the winding shaft 1201 , and a connecting rope 1202 is provided in the middle of the winding shaft 1201 .

[0040] There are gaps between the stabilizing device 14 and the inner end surfaces of the first fixing pile 1 and the second fixing pile 2 .

[0041] An inner groove 7 is provided at the lower side of the safety box 6 , a control button is provided inside the safety box 6 , and a safety cover 8 is provided on the inner groove 7 .

[0042] A flow guide hole is formed on the inner side of the bottom end of each of the first fixing pile 1 and the second fixing pile 2 , and the flow guide hole is connected to the inner cavity 16 .

[0043] Both ends of the height limiting fence 10 are not in contact with the first fixing pile 1 and the second fixing pile 2 respectively.

[0044] In this embodiment, the purpose is to drive the winding rotation by the motor so that the connecting rope can control the height of the height limit fence and can be adjusted according to the height of the vehicle to prevent the height limit fence from blocking the vehicle.

[0045] Example 2: Figure 1-3 , this utility model provides a technical solution: including:

[0046] A first fixed pile 1, a second fixed pile 2 with a symmetrical structure is provided on the left side of the first fixed pile 1, the inner sides of the top ends of the first fixed pile 1 and the second fixed pile 2 are welded by a cross beam 3, and an inner cavity 16 is opened inside the first fixed pile 1 and the second fixed pile 2, and the inner cavity 16 is in a communicating structure with the cross beam 3, and a bottom frame 4 is welded to the bottom ends of the first fixed pile 1 and the second fixed pile 2, and a fixing bolt 5 is provided on the bottom frame 4;

[0047] A scale line 9 is provided on the front end surface of the first fixed pile 1, a safety box 6 is provided on the right side of the lower end of the first fixed pile 1, and a driving mechanism 20 is provided inside the safety box 6. The driving mechanism 20 is connected to a winding device 12, and the winding device 12 is in a single roller 17 in the first fixed pile 1. The winding device 12 extends to a double roller 18 in the beam 3, and the winding device 12 is in a through hole 19 opened at the bottom end of the beam 3;

[0048] The bottom end of the winding device 12 is connected to the height limit fence 10 through a connecting ring 11, and signboards 15 are provided on both sides of the upper end of the height limit fence 10, and stabilizing devices 14 are respectively provided at both ends of the height limit fence 10. The stabilizing devices 14 are respectively located in the inner cavity 16 of the inner ends of the first fixed pile 1 and the second fixed pile 2, and the two ends of the height limit fence 10 are respectively located in the strip grooves 13 opened on the inner end surfaces of the first fixed pile 1 and the second fixed pile 2.

[0049] The stabilizing device 14 includes a first connection block 1401 , a second connection block 1402 and a connection column 1403 . The second connection block 1402 is disposed behind the first connection block 1401 , and the connection column 1403 having a penetrating structure is disposed in both the first connection block 1401 and the second connection block 1402 .

[0050] The connecting column 1403 has a smooth surface, and the interior of the connecting column 1403 is a solid structure.

[0051] In this embodiment, the height limit fence is made to be relatively stable when being raised or lowered, thereby preventing the height limit fence from colliding with the two fixed piles.

[0052] Working principle:

[0053] When using,

[0054] Step 1: Open the safety cover 8, control the control button, and the motor 2001 drives the reel 1201 to rotate;

[0055] Step 2: While the reel 1201 is rotating, the connecting rope 1202 is reeled up, and the connecting rope 1202 is retracted in the single roller 17 and the double rollers 18 respectively;

[0056] Step 3: The height limit fence 10 is raised and lowered. Through the action of the connecting column 1403, the height limit fence 10 can be raised and lowered stably. The height limit fence 10 is raised and lowered according to the scale line 9 according to the height limit of the vehicle, so that the vehicle can pass safely. After the vehicle passes, the height limit fence 10 is restored to its original position.

[0057] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A height-adjustable height-limiting device, characterized in that: include: A first fixing pile (1), a second fixing pile (2) with a symmetrical structure is arranged on the left side of the first fixing pile (1), the inner sides of the top ends of the first fixing pile (1) and the second fixing pile (2) are welded via a cross beam (3), and an inner cavity (16) is provided inside the first fixing pile (1) and the second fixing pile (2), the inner cavity (16) and the cross beam (3) are in a communicating structure, a bottom frame (4) is welded at the bottom ends of the first fixing pile (1) and the second fixing pile (2), and a fixing bolt (5) is arranged on the bottom frame (4); A scale line (9) is provided on the front end surface of the first fixed pile (1), a safety box (6) is provided on the right side of the lower end of the first fixed pile (1), a driving mechanism (20) is provided inside the safety box (6), the driving mechanism (20) is connected to a winding device (12), the winding device (12) is located in a single roller (17) in the first fixed pile (1), the winding device (12) extends to a double roller (18) in the crossbeam (3), and the winding device (12) is located in a through hole (19) opened at the bottom end of the crossbeam (3); The bottom end of the winding device (12) is connected to the height limit fence (10) via a connecting ring (11); both sides of the upper end of the height limit fence (10) are provided with signboards (15); and both ends of the height limit fence (10) are provided with stabilizing devices (14); the stabilizing devices (14) are respectively located in inner cavities (16) at the inner ends of the first fixing pile (1) and the second fixing pile (2); and the two ends of the height limit fence (10) are respectively located in strip grooves (13) provided on the inner end surfaces of the first fixing pile (1) and the second fixing pile (2).

2. The height-adjustable height-limiting device according to claim 1, characterized in that: The driving mechanism (20) comprises a motor (2001), a fixing seat (2002), a driving gear (2003) and a connecting gear (2004); the motor (2001) is installed via the fixing seat (2002); the driving gear (2003) at the front end of the motor (2001) is meshed and linked with the connecting gear (2004) on the winding device (12).

3. The height-adjustable height-limiting device according to claim 1, characterized in that: The winding device (12) comprises a winding shaft (1201), a connecting rope (1202) and a protective plate (1203); the protective plates (1203) are provided on both the front and rear sides of the winding shaft (1201), and a connecting rope (1202) is provided in the middle of the winding shaft (1201).

4. The height-adjustable height-limiting device according to claim 1, characterized in that: The stabilizing device (14) comprises a first connecting block (1401), a second connecting block (1402) and a connecting column (1403); the second connecting block (1402) is arranged at the rear of the first connecting block (1401), and the connecting column (1403) in a through-structure is arranged in the first connecting block (1401) and the second connecting block (1402).

5. The height-adjustable height-limiting device according to claim 1, characterized in that: A gap is provided between the stabilizing device (14) and the inner end surfaces of the first fixing pile (1) and the second fixing pile (2).

6. The height-adjustable height-limiting device according to claim 4, characterized in that: The connecting column (1403) has a smooth surface, and the interior of the connecting column (1403) is a solid structure.

7. The height-adjustable height-limiting device according to claim 1, characterized in that: An inner groove (7) is provided at the lower side of the safety box (6), a control button is provided inside the safety box (6), and a safety cover (8) is provided on the inner groove (7).

8. The height-adjustable height-limiting device according to claim 1, characterized in that: The first fixing pile (1) and the second fixing pile (2) are both provided with flow guide holes on the inner sides of their bottom ends, and the flow guide holes are connected to the inner cavity (16).

9. The height-adjustable height-limiting device according to claim 1, characterized in that: The two ends of the height-limiting fence (10) are not in contact with the first fixing pile (1) and the second fixing pile (2) respectively.

Images