Height limiting frame for municipal road
By designing a motor-driven elevated frame, and adjusting the height of the limit frame using the shaft and chain system, the problem that the existing elevated frame cannot be adjusted and the height limit is solved, and the versatility and flexibility of the elevated frame are achieved.
Patent Information
- Application Number
- CN202420570611.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-23
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-23
AI Technical Summary
The existing municipal road elevated road cannot adjust the height limit and cannot meet the road blockade requirements under different maintenance needs.
A limiting frame including columns, cross frames, limit frames and motor drive systems is designed. The height of the limit frame is adjusted through the motor drive shaft and chain system to achieve dynamic adjustment of height limit.
The height adjustment of the elevated limit is achieved, meeting the blockade requirements under different road maintenance needs, and improving the versatility and flexibility of the elevated limit is achieved.
Smart Images
Figure CN222575326U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of height-limiting frames, in particular to a height-limiting frame for municipal roads. Background Art
[0002] Height limit frames are generally used in places such as bridges and tunnels where there are restrictions on the height of vehicles. Their function is to hinder the passage of super-high vehicles, thereby avoiding damage to bridges, tunnels, etc. The common structure of height limit frames is generally in the shape of a gate, consisting of two columns and a height limit beam on the top. When a super-high vehicle passes through forcibly, it will hit the height limit beam on the top, thereby restricting the passage of the super-high vehicle.
[0003] However, most of the current height limit frames for municipal roads in the city are made of channel steel and angle steel welded together, and the height limit cannot be adjusted. In view of the above problems, a height limit frame for municipal roads is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a height-limiting frame for municipal roads to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A height limit frame for a municipal road comprises two uprights and a cross frame, the uprights are fixed on bases on both sides of the road, the cross frame is fixedly installed on the top of the uprights by bolts, a first groove is opened at the bottom of the cross frame, a second groove is opened on the opposite side of the uprights, the cross frame is rotatably connected with a rotating shaft in the first groove, a limit frame is arranged between the uprights, two ends of the limit frame are built in the second groove, a driving sprocket is symmetrically arranged on the rotating shaft, a connecting seat is fixedly installed in the second groove, a driven sprocket is rotatably connected to the connecting seat, a U-shaped seat is fixedly installed on the upper and lower sides of the two ends of the limit frame, a chain is commonly wound around the driving sprocket and the driven sprocket on each side, a connecting head is hinged at both ends of the chain, the connecting head is fixedly connected with a screw, the screw passes through the corresponding U-shaped seat, the screw is threadedly connected with nuts on the upper and lower sides of the side walls of the U-shaped seat, a motor is fixedly installed on the outer wall of the cross frame, and the rotating shaft passes through the cross frame and is fixedly connected to the output end of the motor.
[0007] As a further solution of the utility model: a slide rail is fixedly installed in the second groove of the column, and two sliders are slidably connected to the slide rail, and the sliders are fixedly connected to the ends of the limit frame by bolts.
[0008] As a further solution of the utility model: limit blocks are arranged at both ends of the slide rail, and the limit blocks are fixedly connected to the inner wall of the second groove.
[0009] As a further solution of the utility model: height limiting signs are fixedly installed on the front and rear sides of the limiting frame.
[0010] As a further solution of the utility model: electronic display boards are fixedly installed on the front and rear sides of the horizontal frame.
[0011] As a further solution of the utility model: a plurality of cameras are fixedly mounted on the top of the limiting frame.
[0012] As a further solution of the utility model: the outer walls of the upright posts, the limit frames and the horizontal frames are provided with warning strips.
[0013] As a further solution of the utility model: the motor upper cover is provided with a protective cover, and the protective cover is fixedly mounted on the side wall of the horizontal frame by bolts.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The utility model drives the motor to rotate the shaft, and the rotating shaft drives the chain to move through the driving sprocket, and the chain drives the limit frame to move through the connected connector, screw and U-shaped seat, so as to adjust the height of the limit frame to achieve the height adjustment. When the municipal road maintenance needs to be closed, the limit frame is placed in the lowest position to achieve the blockade of the road, thereby realizing the multi-function of the height limit frame.
[0016] 2. The utility model facilitates the adjustment of the tension of the chain connected to the connector by rotating the nuts on both sides of the U-shaped seat side wall of the screw.
[0017] 3. When the limit frame moves up and down, the utility model increases the stability of the movement of the limit frame under the guidance of the slider and the slide rail. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The present invention is a structural schematic diagram of a height-limiting frame for municipal roads.
[0019] Figure 2 The present invention is a cross-sectional view of a height-limiting frame for municipal roads.
[0020] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.
[0021] In the figure: 1. column; 2. limit frame; 3. cross frame; 4. electronic display board; 5. height limit board; 6. camera; 7. protective cover; 8. motor; 9. first groove; 10. second groove; 11. rotating shaft; 12. driving sprocket; 13. connecting seat; 14. driven sprocket; 15. slide rail; 16. slider; 17. limit block; 18. chain; 19. U-shaped seat; 20. connector; 21. screw; 22. nut. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figures 1 to 3 In the embodiment of the utility model, a height limit frame for municipal roads includes two columns 1 and a cross frame 3. The columns 1 are fixed on the bases on both sides of the road. The cross frame 3 is fixedly installed on the top of the columns 1 by bolts. A first groove 9 is opened at the bottom of the cross frame 3, and a second groove 10 is opened on the opposite side of the column 1. The cross frame 3 is rotatably connected with a rotating shaft 11 in the first groove 9. A limit frame 2 is arranged between the columns 1, and both ends of the limit frame 2 are built in the second groove 10. A driving sprocket 12 is symmetrically arranged on the rotating shaft 11, and a connecting seat 13 is fixedly installed in the second groove 10. A driven sprocket 14 is rotatably connected to the connecting seat 13, and U-shaped seats 19 are fixedly installed on the upper and lower sides of both ends of the limit frame 2. A chain 18 is wound around the driving sprocket 12 and the driven sprocket 14 on each side. Connectors 20 are hinged at both ends of the chain 18. The connector 20 is fixedly connected to a screw 21. The screw 21 passes through the corresponding U-shaped seat 19. The screw 21 is threadedly connected to nuts 22 on the upper and lower sides of the side walls of the U-shaped seat 19. A motor 8 is fixedly installed on the outer wall of the cross frame 3. The motor 8 is a self-locking motor. The rotating shaft 11 passes through the cross frame 3 and is fixedly connected to the output end of the motor 8.
[0024] When in use, the motor 8 drives the rotating shaft 11 to rotate, and the rotating rotating shaft 11 drives the chain 18 to move through the driving sprocket 12, and the chain 18 drives the limit frame 2 to move through the connected connecting head 20, the screw 21 and the U-shaped seat 19, and the height of the limit frame 2 is adjusted to adjust the height of the height limit. When the municipal road maintenance needs to be closed, the limit frame 2 is placed in the lowest position to block the road. By adjusting the nuts 22 on both sides of the side walls of the U-shaped seat 19 of the screw 21, the tension of the chain 18 connected to the connecting head 20 can be adjusted.
[0025] A slide rail 15 is fixedly installed in the second groove 10 of the column 1, and two sliders 16 are slidably connected to the slide rail 15. The sliders 16 are fixedly connected to the ends of the limit frame 2 by bolts. When the limit frame 2 moves up and down, the stability of the movement of the limit frame 2 is increased under the guidance of the sliders 16 and the slide rail 15.
[0026] Limiting blocks 17 are disposed at both ends of the slide rail 15 . The limiting blocks 17 are fixedly connected to the inner wall of the second groove 10 . The limiting blocks 17 are used to limit the travel of the slider 16 .
[0027] The limit height sign 5 is fixedly installed on both sides of the limit frame 2, and the limit height sign 5 displays the road height limit.
[0028] Electronic display boards 4 are fixedly installed on the front and rear sides of the cross frame 3. The electronic display boards 4 are used to publicize warning slogans and display road information.
[0029] A plurality of cameras 6 are fixedly mounted on the top of the limiting frame 2, and the cameras 6 are used to take pictures and measure the speed of passing vehicles.
[0030] The outer walls of the upright column 1, the limiting frame 2 and the cross frame 3 are provided with warning strips, which are used for warning during driving.
[0031] The motor 8 is covered with a protective cover 7 , which is fixed to the side wall of the cross frame 3 by bolts, and is used to protect the motor 8 .
[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A height limit frame for a municipal road, comprising two upright posts (1) and a horizontal frame (3), characterized in that: The upright posts (1) are fixed on bases on both sides of the road, the cross frame (3) is fixedly installed on the top of the upright posts (1) by bolts, a first groove (9) is provided at the bottom of the cross frame (3), a second groove (10) is provided on the opposite side of the upright posts (1), the cross frame (3) is rotatably connected to a rotating shaft (11) in the first groove (9), a limiting frame (2) is provided between the upright posts (1), both ends of the limiting frame (2) are built into the second groove (10), a driving sprocket (12) is symmetrically provided on the rotating shaft (11), a connecting seat (13) is fixedly installed in the second groove (10), and a driven sprocket (12) is rotatably connected to the connecting seat (13). The sprocket (14) and the limiting frame (2) are fixedly installed with U-shaped seats (19) on both upper and lower sides of the two ends. A chain (18) is commonly wound around the driving sprocket (12) and the driven sprocket (14) on each side. A connecting head (20) is hinged at both ends of the chain (18). The connecting head (20) is fixedly connected with a screw rod (21). The screw rod (21) passes through the corresponding U-shaped seat (19). The screw rod (21) is threadedly connected with nuts (22) on the upper and lower sides of the side wall of the U-shaped seat (19). A motor (8) is fixedly installed on the outer wall of the cross frame (3). The rotating shaft (11) passes through the cross frame (3) and is fixedly connected to the output end of the motor (8).
2. A height-limiting frame for municipal roads according to claim 1, characterized in that: A slide rail (15) is fixedly installed in the second groove (10) of the column (1), and two sliders (16) are slidably connected to the slide rail (15). The sliders (16) are fixedly connected to the ends of the limit frame (2) via bolts.
3. A height-limiting frame for municipal roads according to claim 2, characterized in that: Limit blocks (17) are provided at both ends of the slide rail (15), and the limit blocks (17) are fixedly connected to the inner wall of the second groove (10).
4. The height limiting frame for municipal roads according to claim 1 is characterized in that: The limit height sign (5) is fixedly mounted on both the front and rear sides of the limit frame (2).
5. The height-limiting frame for municipal roads according to claim 1 is characterized in that: Electronic display boards (4) are fixedly mounted on the front and rear sides of the cross frame (3).
6. The height limiting frame for municipal roads according to claim 1, characterized in that: A plurality of cameras (6) are fixedly mounted on the top of the limiting frame (2).
7. The height limiting frame for municipal roads according to claim 1 is characterized in that: Warning strips are arranged on the outer walls of the upright column (1), the limiting frame (2) and the horizontal frame (3).
8. The height limiting frame for municipal roads according to claim 1, characterized in that: The motor (8) is provided with a protective cover (7) on its upper cover, and the protective cover (7) is fixedly mounted on the side wall of the cross frame (3) by means of bolts.