Municipal road and bridge engineering guardrail
By designing a limit plate and locking plate structure, combined with casters and positioning plates, the problem of inconvenient maintenance and replacement of guardrails in municipal road and bridge engineering is solved, enabling convenient installation, disassembly and movement of guardrails, and improving ease of use and practicality.
Patent Information
- Application Number
- CN202520024307.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing guardrails for municipal roads and bridges require the entire system to be disassembled for repair or replacement, which is time-consuming and labor-intensive, and may affect road traffic, thus limiting their convenience and practicality.
The design incorporates adjustable positioning plates and locking plates, along with casters and positioning plates, enabling flexible installation, disassembly, and movement of the railing. Scale lines and threaded rods ensure the stability and convenience of the railing.
It enables convenient installation and disassembly of guardrails, saving time and labor costs, improving ease of use and practicality, adapting to different scenario needs, and facilitating transportation and storage.
Smart Images

Figure CN223780753U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of road and bridge guardrails, and particularly relates to a municipal road and bridge engineering guardrail. BACKGROUND
[0002] The municipal road and bridge engineering guardrail is a crucial safety facility in the urban traffic system, and the municipal road guardrail is a safety facility arranged at positions such as the outer side of the road shoulder, the central separation zone, and the side of the pedestrian road. The bridge guardrail refers to a guardrail facility arranged on both sides of the bridge to prevent pedestrians or vehicles from falling accidentally. The working principle of the guardrail is mainly based on its physical structure and manufacturing process. The guardrail plate, as the main part, is usually made of high-quality steel and the like, can withstand external collision and impact, and plays a role in blocking vehicles and pedestrians. The structure of the support and the connecting piece ensures the stability and firmness of the guardrail plate. In addition, the manufacturing process of the guardrail needs to be strictly controlled in multiple processes, such as surface baking and corrosion prevention treatment, to ensure its durability and serviceability.
[0003] Chinese patent publication No. CN220789548U discloses a municipal road guardrail, which comprises two vertical columns, a guardrail connected between the two vertical columns, a base connected to the lower end of the vertical column, a through slot horizontally formed in the middle of the base, a threaded hole formed in the bottom of the base, a bolt threadedly connected in the threaded hole, a fixed pipe connected to the lower end surface of the base, and four groups of latch devices equidistantly arranged on the inner wall of the fixed pipe.
[0004] In actual use, the utility model is usually arranged on both sides of the municipal road and the bridge to provide safety protection. However, the existing municipal road and bridge engineering guardrail is mostly composed of multiple fixed guardrails. Although this structure ensures the integrity and stability of the whole to a certain extent, it brings inconvenience in maintenance. When a guardrail is broken or damaged due to various reasons, the whole guardrail needs to be disassembled and reinstalled for necessary maintenance or replacement because the whole guardrail system is fixed and interdependent. This maintenance method not only consumes time and effort, but also may interfere with the normal traffic of the municipal road and the bridge, thereby limiting the convenience and practicality of the municipal road and bridge engineering guardrail in actual application to a certain extent. UTILITY MODEL CONTENTS
[0005] The utility model discloses a municipal road and bridge engineering guardrail to solve the problem of inconvenient maintenance or replacement of the municipal road and bridge engineering guardrail in the prior art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a municipal road and bridge engineering guardrail, comprising:
[0007] two mounting seats and two columns;
[0008] a fixing plate arranged at the bottom end of the two columns, the upper end of the two columns being provided with a same mounting plate, the upper end of the fixing plate being provided with a plurality of first rails, and the bottom end of the mounting plate being provided with a plurality of second rails;
[0009] a rectangular groove arranged in the fixing plate, a mounting groove being arranged in the mounting plate, and a plurality of limiting plates being arranged in the rectangular groove and the mounting groove, the opposite ends of the plurality of first rails and the plurality of second rails extending into the rectangular groove and the mounting groove, and being arranged on one side of the plurality of limiting plates respectively;
[0010] a locking plate arranged in the mounting groove, the two sides of the mounting plate being provided with clamping plates, the opposite sides of the two columns being provided with clamping grooves matched with the clamping plates, and the two clamping plates being arranged in the two clamping grooves respectively and being in sliding connection with the side walls of the clamping grooves.
[0011] In order to flexibly install or dismount the rails, further, the upper end of the fixing plate on one side of the plurality of first rails is provided with a scale line, one end of the rectangular groove and the mounting groove is provided with a mounting hole matched with the limiting plate, the bottom end of the locking plate is provided with an anti-skid layer, and the anti-skid layer is arranged against the upper end of the plurality of limiting plates in the mounting groove.
[0012] As a preferred embodiment, the upper end of the locking plate is rotatably connected with a threaded rod, the upper end of the mounting groove is provided with a threaded hole matched with the threaded rod, and the threaded rod penetrates through the threaded hole and is in threaded connection with the side wall of the threaded hole.
[0013] As a preferred embodiment, the upper end of the locking plate is provided with a guide plate on both sides, and the upper end of the two guide plates penetrates through the two sides of the upper end of the mounting groove and extends to the outside.
[0014] As a preferred embodiment, one end of each of the two clamping plates is provided with an abutting groove, each of the two abutting grooves is provided with a matched abutting pin, one end of each of the two abutting pins is provided with an abutting rod, the two abutting rods extend to the two sides of the mounting groove respectively and are arranged against the one side of the two guide plates respectively, the bottom end of the locking plate is arranged in a circular arc shape on both sides, one end of each of the two abutting rods is arranged in a hemispherical shape, and each of the two abutting rods is sleeved with a limiting spring on the outside, and the two ends of the limiting spring are arranged on one side of the abutting groove and the abutting pin respectively.
[0015] As a preferred embodiment, the upper end of each of the plurality of first rails is provided with a mounting hole, the bottom end of each of the plurality of second rails is provided with an extension rod matched with the mounting hole, and the bottom end of each of the plurality of extension rods is arranged in the plurality of mounting holes respectively.
[0016] For the convenient movement of the guardrail position, further, two said column bottom end is equipped with positioning slot, two said positioning slot bottom respectively through two mounting seat, two said positioning slot is equipped with the positioning plate that is suitable for two, two said positioning plate bottom is equipped with universal wheel.
[0017] As a preferred embodiment, two said positioning slot side is equipped with positioning rod, two said positioning plate is equipped through two with the positioning hole that is suitable for positioning rod, two said positioning rod is located in the bottom two positioning hole respectively, two said positioning rod one end is equipped with the baffle ring, two said positioning rod outside is equipped with compression spring, the compression spring both ends are arranged in the column and baffle ring one side respectively.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] 1、The utility model discloses, through the multiple limiting plates of setting in rectangular groove and installation groove, the position interval between multiple first railings and multiple second railings can be flexibly adjusted, so that the guardrail can easily adapt to various different use scenarios, and the installation or disassembly work of the guardrail can be conveniently completed through the installation port reserved on one side of the rectangular groove and the installation groove and the locking plate equipped inside the installation groove, without complex procedures and a large amount of time investment, not only the time and labor cost required for subsequent maintenance or replacement of the guardrail are significantly saved, but also the practicality and convenience of the municipal road and bridge engineering guardrail are further improved.
[0020] 2、The utility model discloses, through the positioning plate of setting in two column interiors and being movable up and down, and being equipped with the universal wheel of flexible rotation, the convenient movement of the guardrail position can be realized, not only the position of the guardrail can be easily adjusted when needed to adapt to different construction or road maintenance requirements, but also the transportation and storage process of the guardrail are greatly facilitated, without consuming too much physical strength and time, so that the use convenience of the municipal road and bridge engineering guardrail is significantly improved, and a powerful guarantee is provided for the safety and efficiency of the project. ACCURACY OF DRAWINGS
[0021] Figure 1 It is the main body appearance schematic view of the utility model structure;
[0022] Figure 2 It is the main view cross section schematic view of the utility model structure;
[0023] Figure 3 It is the local appearance schematic view of the utility model structure;
[0024] Figure 4 It is Figure 2 It is the structure enlarged schematic view of A place in the utility model.
[0025] In the figure: 1, mounting seat; 2, stand; 3, fixed plate; 4, mounting plate; 5, first rail; 6, second rail; 7, limiting plate; 8, locking plate; 9, clamping plate; 10, scale; 11, anti-skid layer; 12, threaded rod; 13, guide plate; 14, abutting pin; 15, abutting rod; 16, limiting spring; 17, extension rod; 18, positioning plate; 19, universal wheel; 20, positioning rod; 21, positioning hole; 22, check ring; 23, compression spring; 24, mounting port. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0027] Embodiment 1
[0028] Please refer to Figures 1-4 The utility model provides a municipal road and bridge engineering guardrail, which comprises:
[0029] Two mounting seats 1 and two stands 2;
[0030] The fixed plate 3 is arranged at the bottom end of the two stands 2, the upper end of the two stands 2 is provided with the same mounting plate 4, the upper end of the fixed plate 3 is provided with a plurality of first rails 5, and the bottom end of the mounting plate 4 is provided with a plurality of second rails 6;
[0031] The rectangular groove is arranged in the fixed plate 3, the mounting groove is arranged in the mounting plate 4, and a plurality of limiting plates 7 matched with each other are arranged in the rectangular groove and the mounting groove; the opposite end of the plurality of first rails 5 and the plurality of second rails 6 extends into the rectangular groove and the mounting groove, and is arranged on one side of the plurality of limiting plates 7 respectively;
[0032] The locking plate 8 is arranged in the mounting groove, the mounting plate 4 is provided with the clamping plate 9 on both sides, the opposite side of the two stands 2 is provided with the clamping groove matched with the clamping plate 9, and the two clamping plates 9 are located in the two clamping grooves respectively and are in sliding connection with the side walls of the clamping grooves.
[0033] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , the upper end of the fixed plate 3 on one side of the plurality of first rails 5 is provided with the scale 10, one end of the rectangular groove and the mounting groove is provided with the mounting port 24 matched with the limiting plate 7, the bottom end of the locking plate 8 is provided with the anti-skid layer 11, and the anti-skid layer 11 abuts against the upper end of the plurality of limiting plates 7 in the mounting groove.
[0034] Through the design, the scale line 10 can make the plurality of first railings 5 and the plurality of second railings 6 be uniformly distributed, guarantee the beauty of the municipal road and bridge engineering guardrail, the rectangular groove and the installation port 24 on one side of the installation groove can conveniently install or dismount the limiting plate 7, so that the plurality of first railings 5 and the plurality of second railings 6 can be installed or dismounted, the position of the plurality of first railings 5 and the plurality of second railings 6 can be fixed by abutting the locking plate 8 and the anti-skid layer 11 on the upper end of the plurality of limiting plates 7, and the anti-skid layer 11 can guarantee the firmness of the position of the limiting plate 7.
[0035] Specifically, as shown in Figure 1 and Figure 2 , the upper end of the locking plate 8 is rotationally connected with a threaded rod 12, a threaded hole matched with the threaded rod 12 is arranged through the upper end of the installation groove, the threaded rod 12 penetrates the threaded hole and is threadedly connected with the side wall of the threaded hole, the locking plate 8 can be moved up and down by rotating the threaded rod 12, and the position of the locking plate 8 can be locked when the rotation is stopped, so that the municipal road and bridge engineering guardrail can be prevented from loosening in use.
[0036] Specifically, as shown in Figure 4 , the upper end of the locking plate 8 is rotationally connected with a threaded rod 12, a threaded hole matched with the threaded rod 12 is arranged through the upper end of the installation groove, the threaded rod 12 penetrates the threaded hole and is threadedly connected with the side wall of the threaded hole, the locking plate 8 can be moved up and down by rotating the threaded rod 12, and the position of the locking plate 8 can be locked when the rotation is stopped, so that the municipal road and bridge engineering guardrail can be prevented from loosening in use.
[0037] Specifically, as shown in Figure 2 , Figure 4 , one end of each of the two clamping plates 9 is provided with an abutting groove, a matched abutting pin 14 is arranged in each of the two abutting grooves, one end of each of the two abutting pins 14 is provided with an abutting rod 15, the two abutting rods 15 extend to the two sides of the installation groove and abut against one side of each of the two guide plates 13, respectively, the two clamping plates 9 cooperate with the two clamping grooves to limit the position of the installation plate 4 moving up and down, the abutting rods 15 on the two sides are pushed to move outward when the locking plate 8 and the two guide plates 13 move downward, respectively, the two abutting rods 15 drive the two abutting pins 14 to move, respectively, so that the two abutting pins 14 abut against one side of the two clamping grooves, respectively, thereby fixing the position of the installation plate 4, the bottom end of the locking plate 8 is provided in a circular arc shape, one end of each of the two abutting rods 15 is provided in a hemispherical shape, which can better push the two abutting rods 15 to move, and the two abutting rods 15 are sleeved with a limiting spring 16 on the outside, respectively, the two ends of the limiting spring 16 are arranged on one side of the abutting groove and the abutting pin 14, respectively, and the limiting spring 16 can drive the two abutting pins 14 to return to the original position when the locking plate 8 and the two abutting rods 15 are separated.
[0038] Specifically, as shown in Figure 1 , Figure 2 , andFigure 3 As shown, the upper end of the plurality of first rail 5 is provided with a mounting hole, the bottom end of the plurality of second rail 6 is provided with an extension rod 17 matched with the mounting hole, the bottom end of the plurality of extension rod 17 is located in the plurality of mounting hole respectively, through the extension rod 17 located in the plurality of second rail 6, the installation plate 4 can be moved to different height, the municipal road and bridge engineering guardrail can continue to play the protection effect, so that the height of the municipal road and bridge engineering guardrail can be adjusted flexibly to adapt to different working scenes.
[0039] Referring to Figures 1-4 In use, first, the appropriate first rail 5 and second rail 6 are installed according to the application scene, the end limiting plate 7 is installed in the rectangular groove and the mounting groove respectively, the first rail 5 and the second rail 6 can be uniformly distributed according to the scale line 10, then the height of the installation plate 4 is moved, the installation plate 4 drives the plurality of limiting plate 7 and the plurality of first rail 5 at the upper end to move, the height of the municipal road and bridge engineering guardrail can be adjusted by cooperating with the plurality of extension rod 17, when the position is fixed, the threaded rod 12 is rotated, the locking plate 8 and the anti-skid layer 11 are driven downward by the threaded rod 12, the locking plate 8 is located on the upper end of the plurality of limiting plate 7, so that the position of the first rail 5 and the second rail 6 can be limited, the locking plate 8 drives the two guide plates 13 to move downward, the two guide plates 13 respectively push the two abutting rods 15 to move, the two abutting rods 15 respectively abut the two abutting pins 14 on one side of the clamping groove, so that the position of the installation plate 4 can be limited, the stability of the municipal road and bridge engineering guardrail in use is ensured.
[0040] Embodiment 2:
[0041] Referring to Figures 1-4 The utility model provides a municipal road and bridge engineering guardrail, which comprises:
[0042] Two mounting seats 1 and two columns 2;
[0043] A fixed plate 3 is arranged at the bottom end of the two columns 2, and the upper end of the two columns 2 is provided with an installation plate 4; the upper end of the fixed plate 3 is provided with a plurality of first rails 5, and the bottom end of the installation plate 4 is provided with a plurality of second rails 6;
[0044] A rectangular groove is formed in the fixed plate 3, and a mounting groove is formed in the installation plate 4; a plurality of limiting plates 7 matched with the rectangular groove and the mounting groove are arranged in the rectangular groove and the mounting groove; the opposite end of the plurality of first rails 5 and the plurality of second rails 6 extends into the rectangular groove and the mounting groove, and is arranged on one side of the plurality of limiting plates 7;
[0045] The locking plate 8 is arranged in the mounting groove, and the mounting plate 4 is provided with clamping plates 9 on both sides; the two upright columns 2 are provided with clamping grooves matched with the clamping plates 9 on the opposite side; and the two clamping plates 9 are arranged in the two clamping grooves and are in sliding connection with the side walls of the clamping grooves.
[0046] Specifically, as shown in Figure 2 the two upright columns 2 are provided with positioning grooves at the bottom ends, the two positioning grooves penetrate the two mounting seats 1 at the bottom ends, and the two positioning grooves are provided with matched positioning plates 18; and the two positioning plates 18 are provided with universal wheels 19 at the bottom ends.
[0047] Through the design, the positioning plate 18 and the universal wheel 19 arranged in the upright column 2 can be moved up and down, so that the municipal road and bridge engineering guardrail can be flexibly moved without affecting the installation of the upright column 2; the guardrail can be easily adjusted in position when needed to adapt to different construction or road maintenance requirements; and the transportation and storage process of the guardrail is greatly facilitated.
[0048] Specifically, as shown in Figure 1 and Figure 2 the two positioning grooves are provided with positioning rods 20 penetrating one side, the two positioning plates 18 are provided with two positioning holes 21 matched with the positioning rods 20, and the two positioning rods 20 are arranged in the two positioning holes 21 at the bottom ends; the positioning plate 18 and the universal wheel 19 can be fixed at different positions by installing the positioning rod 20 into different positioning holes 21; the two positioning rods 20 are provided with stop rings 22 at one end, the two positioning rods 20 are provided with compression springs 23 outside, the compression springs 23 are arranged at the upright column 2 and one side of the stop ring 22 at both ends, and the stop ring 22 cooperates with the compression spring 23 to limit the position of the positioning rod 20, so that the positioning rod 20 can always be located in the positioning hole 21, thereby guaranteeing the stability of the municipal road and bridge engineering guardrail.
[0049] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A municipal road and bridge engineering guardrail, characterized in that, The utility model relates to a kind of two-way adjustable fence, including: Two mounting seats (1) and two columns (2); Fixed plate (3) is provided at the bottom of two columns (2), and the upper end of two columns (2) is provided with the same mounting plate (4), the upper end of fixed plate (3) is provided with a plurality of first railings (5), and the bottom of mounting plate (4) is provided with a plurality of second railings (6); Rectangular slot is opened in fixed plate (3), mounting slot is opened in mounting plate (4), and a plurality of limit plates (7) are provided in rectangular slot and mounting slot, and the opposite end of a plurality of first railings (5) and a plurality of second railings (6) extends into rectangular slot and mounting slot, and is arranged on the side of a plurality of limit plates (7) respectively; Locking plate (8) is arranged in mounting slot, and the two sides of mounting plate (4) are provided with clamping plate (9), and the opposite side of two columns (2) is provided with clamping groove matched with clamping plate (9), and two clamping plates (9) are located in two clamping grooves respectively and are connected with the side wall of clamping groove slidingly.
2. A municipal road and bridge engineering guardrail according to claim 1, characterized in that: The upper end of fixed plate (3) on the side of a plurality of first railings (5) is provided with scale line (10), and one end of rectangular slot and mounting slot is provided with mounting port (24) matched with limit plate (7), and the bottom of locking plate (8) is provided with anti-skid layer (11), and the upper end of a plurality of limit plates (7) in mounting slot is abutted by anti-skid layer (11).
3. A municipal road and bridge engineering guardrail according to claim 1, characterized in that: The upper end of locking plate (8) is rotatably connected with threaded rod (12), the upper end of mounting slot is provided with threaded hole matched with threaded rod (12), threaded rod (12) penetrates threaded hole and is connected with the side wall of threaded hole in screw thread.
4. A municipal road and bridge engineering guardrail according to claim 1, characterized in that: The upper end of locking plate (8) is provided with guide plate (13) on both sides, and the upper end of two guide plates (13) penetrates the two sides of the upper end of mounting slot and extends to the outside.
5. A municipal road and bridge engineering guardrail according to claim 1, characterized in that: One end of two clamping plates (9) is provided with abutting groove, and two abutting grooves are provided with matched abutting pin (14), and one end of two abutting pins (14) is provided with abutting rod (15), and two abutting rods (15) extend to the two sides of mounting slot and abut on the side of two guide plates (13) respectively, and the bottom of locking plate (8) is provided in arc shape on both sides, and one end of two abutting rods (15) is provided in hemispherical shape, and the outer side of two abutting rods (15) is provided with limit spring (16), and the two ends of limit spring (16) are arranged on the side of abutting groove and abutting pin (14) respectively.
6. A municipal road and bridge engineering guardrail according to claim 1, characterized in that: The upper end of a plurality of first railings (5) is provided with mounting hole, and the bottom of a plurality of second railings (6) is provided with extension rod (17) matched with mounting hole, and the bottom of a plurality of extension rods (17) is located in a plurality of mounting holes respectively.
7. A municipal road and bridge engineering guardrail according to claim 1, characterized in that: Two columns (2) are provided with positioning groove at the bottom, and the bottom of two positioning grooves penetrates two mounting seats (1) respectively, and two positioning grooves are provided with matched positioning plate (18), and the bottom of two positioning plates (18) is provided with universal wheel (19).
8. A municipal road and bridge engineering guardrail according to claim 7, characterized in that: Both sides of the positioning groove are provided with positioning rods (20), both sides of the positioning plate (18) are provided with two positioning holes (21) matched with the positioning rods (20), both sides of the positioning rods (20) are provided with the stop ring (22), and both sides of the positioning rods (20) are provided with the compression spring (23).
Citation Information
Patent Citations
Municipal road protective fence
CN220789548U