Municipal bridge height limiting device

Abstract

The utility model discloses a municipal bridge height limiting device, and relates to the technical field of traffic safety facilities. The height limiting device comprises a mounting base, a limiting fixing block, a supporting column, a height limiting device, a sliding column, a height limiting rod, a height limiting LED indicator and a fixed limiting column. According to the height limiting device, each part can be independently mounted or dismounted through the modularized quick dismounting structure, the mounting and dismounting time is remarkably shortened, the height limiting device can be dismounted into small parts to be transported and stored, the space is saved, meanwhile, the modularized design allows a user to quickly adjust the height of the height limiting device according to needs, and the practicability is high. On the one hand, the height limiting device can be quickly mounted and dismounted to adapt to different vehicle types and passing requirements, adjustment can be quickly made according to site conditions, for example, the height limiting height is temporarily changed or emergencies are quickly responded, on the other hand, the road closing time caused by mounting or maintaining of the height limiting device can be shortened through the quick mounting and dismounting capacity, and in case of emergencies, the road safety is improved. The height limiting device can be quickly adjusted or redeployed, and the emergency response efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of traffic safety facilities, and particularly relates to a height limit device for municipal bridges. Background Technique

[0002] As an important part of the urban traffic network, the height limit management of municipal bridges is crucial for preventing over-height vehicles from passing through and protecting the safety of bridge structures. Traditional height limit devices often have problems such as complex installation, inconvenient adjustment, and time-consuming disassembly, and are difficult to meet the rapidly changing traffic management requirements. Especially in special situations such as bridge maintenance and emergency rescue, it is necessary to be able to quickly adjust or remove the height limit device to ensure unobstructed traffic. Content of the Utility Model

[0003] The purpose of the utility model is to provide a height limit device for municipal bridges to solve the existing problems.

[0004] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0005] The utility model is a height limit device for municipal bridges, including an installation base, characterized in that: a limit fixing block is welded on the upper surface of the installation base, a support column is clamped and fixed on the upper surface of the limit fixing block, a height limit device is clamped and fixed on one side surface of the support column, a sliding groove is opened on one side surface of the support column, a sliding column is welded at the lower end of the sliding groove, a height limit rod is slidably connected to the circumferential surface of the sliding column, and a fixed limit column is clamped and fixed at the upper end of the support column.

[0006] Further, during use, the user nests the height limit rod on the sliding column inside the support column through the sliding hole to ensure that the height limit rod can slide up and down to adjust the height as needed. Then, according to the required restricted height, the height limit device is fixed to the required height position through different height limit holes on the support column to ensure that the height limit device can effectively support the height limit rod and keep the height limit rod at the required height. Next, the fixed limit column is nested and clamped with the support column through the limit fixing groove to ensure a stable connection structure is formed between the limit column and the support column to prevent the support column from shaking or shifting during use. Then, the installation base is installed at the predetermined position to ensure that the base is closely attached to and fixed to the ground to provide a stable foundation for the entire device. Then, the assembled support column is placed into the limit fixing groove in the limit fixing block to ensure that the support column can be correctly inserted into the fixing groove and form a stable overall structure with the installation base. Finally, the support column is fastened with the limit fixing bolt on the limit fixing block to ensure that the entire device is stable and reliable and can withstand the expected load, thus completing the entire installation. Thereby, the height limit can be quickly adjusted according to the user's needs, and it can also be conveniently and quickly removed when not in use, greatly improving the flexibility and convenience of use.

[0007] Furthermore, the modular quick-release structure of the present utility model enables each component to be independently installed or disassembled, significantly reducing the installation and disassembly time. It can also be disassembled into smaller components for transportation and storage, saving space. Meanwhile, the modular design allows users to quickly adjust the height of the height-limiting device according to needs to adapt to different vehicle types and passing requirements, and can quickly make adjustments according to the on-site situation, such as temporarily changing the height limit or quickly responding to emergencies. On the other hand, the ability to quickly install and disassemble reduces the road closure time caused by installing or maintaining the height-limiting device. In case of an emergency, the height-limiting device can be quickly adjusted or redeployed to improve the emergency response efficiency.

[0008] Furthermore, a plurality of mounting holes are provided on the upper surface of the mounting base, a limiting and fixing groove is provided on the upper surface of the limiting and fixing block, the size and shape of the limiting and fixing groove are adapted to the support column, a limiting and fixing hole is provided on one side surface of the limiting and fixing block, and a limiting and fixing bolt is in threaded connection with the inner wall of the limiting and fixing hole.

[0009] Furthermore, a plurality of height-limiting holes are provided on one side surface of the support column, the size and shape of the height-limiting holes are adapted to the height-limiting device, and the size and shape of the sliding groove are adapted to the sliding column.

[0010] Furthermore, a clamping groove is provided on one side surface of the height-limiting device, the size and shape of the clamping groove are adapted to the support column, the height-limiting device is located below the height-limiting rod, a height-limiting LED indicator is fixedly connected to the peripheral surface of the height-limiting rod, the height-limiting LED indicator has its own power supply, and the LED indicator has high brightness and can be clearly visible even in low light conditions, which helps to improve the driver's attention, ensuring that the driver can notice the height-limiting information in time both during the day and at night, so as to effectively remind the driver to pay attention to the height-limiting requirements, avoid ultra-high vehicles from entering the bridge by mistake, and reduce the accident risk. Limiting sliding holes are provided on both sides of the height-limiting rod, and the size and shape of the limiting sliding holes are adapted to the sliding column.

[0011] Furthermore, the height-limiting device includes a limit driving rod, a rotating gear, a transmission gear, a left first gear, a left second gear, a right first gear, a right second gear, and a locking and limiting ring. One end of the limit driving rod is fixedly connected to the rotating gear, the rotating gear is a bevel gear, the peripheral surface of the rotating gear is meshed with the transmission gear, the rotating gear includes a bevel gear and a flat gear, the bevel gear is fixedly connected to the flat gear, the transmission gear is meshed with both the left first gear and the right first gear, the left first gear is meshed with the left second gear, the right first gear is meshed with the right second gear, and both the left second gear and the right second gear are meshed with the locking and limiting ring.

[0012] Furthermore, when the height-limiting device is in use, insert a specified special key into the keyhole of the driving rod, and then turn the key. The driving rod will rotate accordingly, driving the rotating gear connected to it to start rotating. Then, the rotating gear drives the transmission gear meshing with it to rotate, providing power for subsequent actions. Subsequently, the transmission gear continues to rotate, driving the left first gear and the right first gear meshing with it to rotate simultaneously. Then, the left first gear drives the left second gear to rotate, and the right first gear drives the right second gear to rotate, preparing for the rotation of the locking limit ring. Then, the right second gear and the left second gear respectively drive the locking limit ring meshing with them to rotate, causing the locking limit ring to perform a rotational movement along the limit slot, thereby completing the locking or unlocking action, ensuring that the device can be quickly locked or released when needed. The height adjustment is achieved through a simple mechanical structure, making the operation simple and fast. Users can also quickly adjust the height of the height-limiting device according to actual needs to adapt to the passage of different types of vehicles. The installation and removal of the device can be completed using a special key and simple tools, reducing the construction time and the impact on traffic. It can be quickly removed when not in use, facilitating storage and management.

[0013] Furthermore, an installation fixing groove is formed on the lower surface of the fixed limit post. The size and shape of the installation fixing groove are adapted to the support column, and the inner wall of the installation fixing groove and the support column are nested and engaged.

[0014] The utility model has the following beneficial effects:

[0015] When the height-limiting device of the utility model is used in cooperation with the support column, first insert a specified special key into the keyhole of the driving rod, and then turn the key. The driving rod will rotate accordingly, driving the rotating gear connected to it to start rotating. Then, the rotating gear drives the transmission gear meshing with it to rotate, providing power for subsequent actions. Subsequently, the transmission gear continues to rotate, driving the left first gear and the right first gear meshing with it to rotate simultaneously. Then, the left first gear drives the left second gear to rotate, and the right first gear drives the right second gear to rotate, preparing for the rotation of the locking limit ring. Then, the right second gear and the left second gear respectively drive the locking limit ring meshing with them to rotate, causing the locking limit ring to perform a rotational movement along the limit slot, thereby completing the locking or unlocking action, ensuring that the device can be quickly locked or released when needed. The height adjustment is achieved through a simple mechanical structure, making the operation simple and fast. Users can also quickly adjust the height of the height-limiting device according to actual needs to adapt to the passage of different types of vehicles. The installation and removal of the device can be completed using a special key and simple tools, reducing the construction time and the impact on traffic. It can be quickly removed when not in use, facilitating storage and management.

[0016] The utility model enables each component to be independently installed or disassembled through a modular quick-release structure, significantly reducing the installation and disassembly time. It can also be disassembled into smaller components for transportation and storage, saving space. Meanwhile, the modular design allows users to quickly adjust the height of the height-limiting device according to needs to adapt to different vehicle types and passing requirements, and can quickly make adjustments according to on-site conditions, such as temporarily changing the height limit or quickly responding to emergencies. On the other hand, the ability to quickly install and disassemble reduces the road closure time caused by installing or maintaining the height-limiting device. In case of an emergency, the height-limiting device can be quickly adjusted or redeployed to improve the emergency response efficiency.

[0017] Through the cooperation of the height-limiting rod and the height-limiting LED indicator board, the utility model makes it clearly visible even in low-light conditions, which helps to improve the driver's attention and ensures that the driver can notice the height-limiting information in a timely manner both during the day and at night. Thus, it can effectively remind the driver to pay attention to the height-limiting requirements, avoid ultra-high vehicles from mistakenly entering the bridge, and reduce the accident risk. Limiting sliding holes are opened on both sides of the height-limiting rod, and the size and shape of the limiting sliding holes are adapted to the sliding columns.

[0018] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of a height-limiting device for a municipal bridge;

[0021] Figure 2 It is a top view of a height-limiting device for a municipal bridge;

[0022] Figure 3 It is Figure 2 The sectional view taken along A-A in

[0023] Figure 4 It is a schematic internal structure diagram of the height-limiting device.

[0024] In the drawings, the list of components represented by each reference numeral is as follows:

[0025] 1. Installation base; 101. Installation hole; 2. Limit fixing block; 201. Limit fixing groove; 202. Limit fixing bolt; 3. Support column; 301. Height limit hole; 4. Height limit device; 401. Engaging groove; 402. Driving rod; 403. Rotating gear; 404. Transmission gear; 405. Left first gear; 406. Left second gear; 407. Right first gear; 408. Right second gear; 409. Locking limit ring; 5. Sliding groove; 6. Sliding column; 7. Height limit rod; 701. Height limit LED indicator board; 8. Fixed limit column; 801. Installation and fixing groove. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner", etc. indicating the orientation or position relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0028] Please refer to Figures 1 - 4 As shown, the present invention is a height limit device for a municipal bridge, including an installation base 1, characterized in that: a limit fixing block 2 is welded on the upper surface of the installation base 1, a support column 3 is snap-fitted and fixed on the upper surface of the limit fixing block 2, a height limit device 4 is snap-fitted and fixed on one side surface of the support column 3, a sliding groove 5 is opened on one side surface of the support column 3, a sliding column 6 is welded at the lower end of the sliding groove 5, a height limit rod 7 is slidably connected to the circumferential surface of the sliding column 6, and a fixed limit column 8 is snap-fitted and fixed at the upper end of the support column 3.

[0029] Among them, during use, the user nests the height limit rod 7 on the sliding column 6 inside the support column 3 through the sliding hole, ensuring that the height limit rod 7 can slide up and down to adjust the height as needed. Then, according to the required height to be restricted, the height limit device 4 is fixed to the required height position through different height limit holes 301 on the support column 3, ensuring that the height limit device 4 can effectively support the height limit rod 7 and keep the height limit rod 7 at the required height. Next, the fixed limit column 8 is nested and engaged with the support column 3 through the limit fixing groove 201, ensuring a stable connection structure is formed between the limit column and the support column 3 to prevent the support column 3 from shaking or shifting during use. Then, the installation base 1 is installed at a predetermined position, ensuring that the base is closely attached to and fixed to the ground, providing a stable foundation for the entire device. Then, the assembled support column 3 is placed into the limit fixing groove 201 in the limit fixing block 2, ensuring that the support column 3 can be correctly inserted into the fixing groove and form a stable overall structure with the installation base 1. Finally, the support column 3 is fastened using the limit fixing bolt 202 on the limit fixing block 2, ensuring that the entire device is stable and reliable and can withstand the expected load, thus completing the entire installation. Thereby, the height limit can be quickly adjusted according to the user's needs, and it can also be conveniently and quickly removed when not in use, greatly improving the flexibility and convenience of use.

[0030] Among them, the modular quick-release structure of the present utility model enables each component to be independently installed or disassembled, significantly reducing the installation and disassembly time. It can also be disassembled into smaller components for transportation and storage, saving space. At the same time, the modular design allows users to quickly adjust the height of the height limit device 4 according to needs to adapt to different vehicle types and traffic requirements, and can quickly make adjustments according to the on-site situation, such as temporarily changing the height limit or quickly responding to emergencies. On the other hand, the ability to quickly install and disassemble reduces the road closure time caused by installing or maintaining the height limit device 4. In case of an emergency, the height limit device 4 can be quickly adjusted or redeployed to improve the emergency response efficiency.

[0031] Among them, a plurality of installation holes 101 are provided on the upper surface of the installation base 1, a limit fixing groove 201 is provided on the upper surface of the limit fixing block 2, the size and shape of the limit fixing groove 201 are adapted to the support column 3, a limit fixing hole is provided on one side surface of the limit fixing block 2, and a limit fixing bolt 202 is threadedly connected to the inner wall of the limit fixing hole.

[0032] Among them, a plurality of height limit holes 301 are provided on one side surface of the support column 3, the size and shape of the height limit holes 301 are adapted to the height limit device 4, and the size and shape of the sliding groove 5 are adapted to the sliding column 6.

[0033] Among them, a clamping groove 401 is formed on one side of the height limit device 4. The size and shape of the clamping groove 401 are adapted to the support column 3. The height limit device 4 is located below the height limit rod 7. A height limit LED sign 701 is fixedly connected to the circumferential side of the height limit rod 7. The height limit LED sign 701 has its own power supply. The LED sign has a high brightness and can be clearly visible even in low light conditions, which helps to improve the driver's attention, ensuring that the driver can notice the height limit information in a timely manner both during the day and at night, so as to effectively remind the driver to pay attention to the height limit requirements, prevent overheight vehicles from entering the bridge by mistake, and reduce the accident risk. Limiting sliding holes are formed on both sides of the height limit rod 7. The size and shape of the limiting sliding holes are adapted to the sliding columns 6.

[0034] Among them, the height limit device 4 includes a limiting driving rod 402, a rotating gear 403, a transmission gear 404, a left first gear 405, a left second gear 406, a right first gear 407, a right second gear 408 and a locking limit ring 409. One end of the limiting driving rod 402 is fixedly connected with the rotating gear 403, and the rotating gear 403 is a bevel gear. The circumferential side of the rotating gear 403 is meshed with the transmission gear 404. The rotating gear 403 includes a bevel gear and a flat gear, and the lower surface of the bevel gear is fixedly connected with the flat gear. The transmission gear 404 is meshed with both the left first gear 405 and the right first gear 407. The left first gear 405 is meshed with the left second gear 406. The right first gear 407 is meshed with the right second gear 408. Both the left second gear 406 and the right second gear 408 are meshed with the locking limit ring 409.

[0035] Among them, when the height limit device 4 is in use, a specified special key is inserted into the lock hole of the driving rod 402, and then the key is rotated. The driving rod 402 rotates accordingly, driving the rotating gear 403 connected thereto to start rotating. Then the rotating gear 403 drives the transmission gear 404 meshed with it to rotate, providing power for subsequent actions. Subsequently, the transmission gear 404 continues to rotate, driving the left first gear 405 and the right first gear 407 meshed with it to rotate simultaneously. Then the left first gear 405 drives the left second gear 406 to rotate, and the right first gear 407 drives the right second gear 408 to rotate, preparing for the rotation of the locking limit ring 409. Then the right second gear 408 and the left second gear 406 respectively drive the locking limit ring 409 meshed with them to rotate, so that the locking limit ring 409 performs a rotational movement along the limiting groove, thereby completing the locking or unlocking action, ensuring that the device can be quickly locked or released when needed. The height adjustment is achieved through a simple mechanical structure, making the operation simple and fast. The user can also quickly adjust the height of the height limit device 4 according to actual needs to adapt to the passage of different types of vehicles. The installation and removal of the device can be completed using a special key and simple tools, reducing the construction time and the impact on traffic, and it can be quickly removed when not in use, facilitating storage and management.

[0036] Among them, an installation and fixing groove 801 is formed on the lower surface of the fixed limit post 8. The size and shape of the installation and fixing groove 801 are adapted to the support post 3, and the inner wall of the installation and fixing groove 801 and the support post 3 are nested and engaged with each other.

[0037] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A height limit device for a municipal bridge, comprising an installation base (1), characterized in that: On the upper surface of the installation base (1), a limit fixing block (2) is welded. On the upper surface of the limit fixing block (2), a support column (3) is snap-fitted and fixed. On one side surface of the support column (3), a height limiting device (4) is snap-fitted and fixed. On one side surface of the support column (3), a sliding groove (5) is opened. At the lower end of the sliding groove (5), a sliding column (6) is welded. On the circumferential surface of the sliding column (6), a height limiting rod (7) is slidably connected. At the upper end of the support column (3), a fixed limit column (8) is snap-fitted and fixed.

2. The height limit device for a municipal bridge according to claim 1, characterized in that, On the upper surface of the installation base (1), a number of installation holes (101) are opened. On the upper surface of the limit fixing block (2), a limit fixing groove (201) is opened. The size and shape of the limit fixing groove (201) are adapted to the support column (3). On one side surface of the limit fixing block (2), a limit fixing hole is opened. Inside the inner wall of the limit fixing hole, a limit fixing bolt (202) is threadedly connected.

3. The height limit device for a municipal bridge according to claim 1, characterized in that, On one side surface of the support column (3), a number of height limiting holes (301) are opened. The size and shape of the height limiting holes (301) are adapted to the height limiting device (4). The size and shape of the sliding groove (5) are adapted to the sliding column (6).

4. A height limit device for municipal bridges according to claim 1, characterized in that, On one side surface of the height limiting device (4), a snap-fitting groove (401) is opened. The size and shape of the snap-fitting groove (401) are adapted to the support column (3). The height limiting device (4) is located below the height limiting rod (7). On the circumferential surface of the height limiting rod (7), a height limiting LED indicator board (701) is fixedly connected. The height limiting LED indicator board (701) has its own power supply. On both sides of the height limiting rod (7), limit sliding holes are opened. The size and shape of the limit sliding holes are adapted to the sliding column (6).

5. The height limit device for a municipal bridge according to claim 1, characterized in that, The height limiting device (4) includes a limit driving rod (402), a rotating gear (403), a transmission gear (404), a left first gear (405), a left second gear (406), a right first gear (407), a right second gear (408), and a locking limit ring (409). One end of the limit driving rod (402) is fixedly connected with a rotating gear (403). The rotating gear (403) is a bevel gear. The circumferential surface of the rotating gear (403) is meshed and connected with the transmission gear (404). The rotating gear (403) includes a bevel gear and a flat gear. The lower surface of the bevel gear is fixedly connected with the flat gear. The transmission gear (404) is meshed and connected with both the left first gear (405) and the right first gear (407). The left first gear (405) is meshed and connected with the left second gear (406). The right first gear (407) and the right second gear (408) are meshed and connected. Both the left second gear (406) and the right second gear (408) are meshed and connected with the locking limit ring (409).

6. The height limit device for a municipal bridge according to claim 1, characterized in that, On the lower surface of the fixed limit column (8), an installation fixing groove (801) is opened. The size and shape of the installation fixing groove (801) are adapted to the support column (3). The inner wall of the installation fixing groove (801) and the support column (3) are nested and snap-fitted.

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