Telescopic device of highway bridge guardrail
By introducing structures such as positioning pins, positioning holes, fixing blocks, and compression springs into the guardrail, the problems of inconvenient installation and maintenance of the guardrail have been solved, realizing convenient installation and efficient use of the guardrail.
Patent Information
- Application Number
- CN202423078928.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing highway bridge guardrail expansion joints suffer from problems such as inconvenient installation, low expansion efficiency, and inconvenient inspection and maintenance.
The design of positioning pins and positioning holes facilitates the positioning and installation of the guardrail; the combination of fixing blocks and fixing screws facilitates the fixed connection of the guardrail; and the combination of compression springs and telescopic plates facilitates the extension and retraction of the guardrail and its connection.
This has enabled convenient installation and subsequent maintenance of the guardrails, improving efficiency and convenience.
Smart Images

Figure CN223688783U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of the telescopic device of highway bridge guardrail, specifically to a telescopic device of highway bridge guardrail. BACKGROUND
[0002] In order to improve the protection of highway bridges, guardrails will be installed on both sides of the tool and the bridge, so that when a vehicle accident occurs, the blocking property of the guardrail can be used to block the vehicle, avoiding the vehicle from rushing out of the road or the bridge from further danger.
[0003] The telescopic device of highway bridge guardrail disclosed in Chinese utility model patent application publication specification CN220643858U has the advantages of avoiding rigid contact and improving the effect of buffering, but the telescopic device of highway bridge guardrail still has the following shortcomings: 1. The telescopic device of highway bridge guardrail adopts the form of multiple springs to realize telescopic processing and buffering protection, which may not be able to independently adjust the telescopic mechanism during actual use, resulting in low use efficiency and inconvenience; 2. The telescopic device of highway bridge guardrail adopts fixed connection for the installation and connection of the guardrail, which may not be convenient to carry during actual use, and may also not be convenient for subsequent maintenance and repair. UTILITY MODEL CONTENTS
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a telescopic device of highway bridge guardrail, which solves the problems raised in the above background technology.
[0006] (II) Technical scheme
[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a telescopic device of highway bridge guardrail, comprising a base, a support seat, a first main rod and a second main rod, the front surface of the first main rod and the second main rod is provided with an embedded groove, the embedded groove is inserted with an embedded block, the front surface of the embedded block is fixedly connected with a positioning pin, the front surface of the positioning pin is provided with a positioning mounting block, the positioning mounting block is provided with a connecting mechanism, the front surface of the positioning mounting block is fixedly connected with a first guardrail main body and a second guardrail main body, the side surface of the first guardrail main body is fixedly connected with a connecting plate, the side surface of the second guardrail main body is fixedly connected with a storage sleeve plate, the side surface of the storage sleeve plate is slidingly connected with a telescopic plate, the side surface of the connecting plate is fixedly installed with a rotating column, the end of the rotating column is rotatably connected with a connecting bolt, the side surface of the telescopic plate is fixedly installed with a threaded column, the inside of the storage sleeve plate is provided with a telescopic mechanism.
[0008] Optionally, the support seat is fixedly installed on the top of the base and is in the shape of a ladder, the base and the support seat are symmetrically installed in two groups, the first main rod is fixedly installed on the top of the left support seat, the second main rod is fixedly installed on the top of the right support seat, and the top of the base is provided with a mounting hole.
[0009] Optionally, the embedding groove and the embedding block are installed in two groups on the first main rod and the second main rod, the back surface of the first main rod and the second main rod is threadedly connected with a mounting bolt, and the embedding block is fixedly connected in the embedding groove through the mounting bolt.
[0010] Optionally, the connecting mechanism comprises a positioning hole, a fixing block and a fixing screw, the positioning hole is formed in the back surface of the positioning mounting block, the fixing block is symmetrically fixedly connected to the left and right side surfaces of the positioning mounting block, the fixing screw is threadedly connected to the side surface of the fixing block, the positioning hole is matched with the positioning pin, and the positioning pin can be inserted into the positioning hole, and the positioning mounting block is fixedly connected with the embedding block through the fixing block and the fixing screw.
[0011] Optionally, the first guardrail body and the connecting plate are oppositely installed with the second guardrail body and the storage sleeve plate, the first guardrail body and the second guardrail body are of the same size, and the connecting bolt is threadedly connected with the threaded column.
[0012] Optionally, the telescopic mechanism comprises a mounting groove, a compression spring and a compression block, the mounting groove is formed in the inside of the storage sleeve plate, the compression spring is fixedly installed on the inner side wall of the mounting groove, the compression block is fixedly connected to the other end of the compression spring, the other side surface of the compression block is fixedly connected with the end of the telescopic plate, and the size of the telescopic plate is matched with the size of the mounting groove.
[0013] The utility model provides a kind of telescopic device of highway bridge guardrail, with the following beneficial effects:
[0014] 1, the telescopic device of highway bridge guardrail, by the setting of positioning pin and positioning hole, the telescopic device of highway bridge guardrail has the effect of being conveniently positioned and installed, by the cooperation of fixing block and positioning mounting block, in the process of use, the guardrail can be installed more conveniently, to play the role of facilitating subsequent maintenance use, to reach the purpose of improving work efficiency.
[0015] 2. The expansion device of the highway bridge guardrail, through the setting of the compression spring, the expansion device of the highway bridge guardrail has the effect of facilitating the expansion of the expansion plate, through the cooperation of the connecting bolt and the threaded column, the expansion plate can be connected to the connecting plate through the connecting bolt and the threaded column in the process of use, thereby facilitating the connection of the two guardrail bodies, and the purpose of improving the use convenience is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0017] Figure 2 It is a front view structure schematic view of the utility model;
[0018] Figure 3 It is a rear view structure schematic view of the utility model;
[0019] Figure 4 It is a side view structure schematic view of the utility model;
[0020] Figure 5 It is a side view structure schematic view of the utility model un-assembled part;
[0021] Figure 6 It is a three-dimensional structure schematic view of the utility model un-assembled guardrail part;
[0022] Figure 7 It is a structure schematic view of the A mechanism of the utility model.
[0023] In the drawing: 1, base; 2, support seat; 3, first main rod; 4, second main rod; 5, mounting hole; 6, embedding groove; 7, embedding block; 8, mounting bolt; 9, positioning pin; 10, positioning mounting block; 11, positioning hole; 12, fixed block; 13, fixed screw; 14, first guardrail body; 15, second guardrail body; 16, connecting plate; 17, storage sleeve plate; 18, expansion plate; 19, rotating column; 20, connecting bolt; 21, threaded column; 22, mounting groove; 23, compression spring; 24, compression block. DETAILED DESCRIPTION
[0024] 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, not all the embodiments.
[0025] Embodiment 1:
[0026] Please refer to Figures 1 to 7The utility model provides technical scheme: A highway bridge guardrail's telescopic device, including base 1, support seat 2, first main rod 3 and second main rod 4, support seat 2 fixed mounting is on the top of base 1 and presents the ladder platform shape, and base 1 and support seat 2 are left and right two groups of symmetry installation settings, first main rod 3 fixed mounting is on the top of left support seat 2, second main rod 4 fixed mounting is on the top of right support seat 2, and the top of base 1 is provided with mounting hole 5, and the front of first main rod 3 and second main rod 4 is provided with embedding groove 6, and the front of positioning mounting block 10 is fixedly connected with first guardrail main body 14 and second guardrail main body 15, and first guardrail main body 14 and connecting plate 16 and second guardrail main body 15 and storage sleeve plate 17 are relatively installed and set, and the size of first guardrail main body 14 and second guardrail main body 15 is same, and connecting bolt 20 is threadedly connected with threaded column 21, and the setting of connecting bolt 20 cooperation threaded column 21 is convenient for connecting telescopic plate 18 and connecting plate 16 together, the side of first guardrail main body 14 is fixedly connected with connecting plate 16, the side of second guardrail main body 15 is fixedly connected with storage sleeve plate 17, and the side of storage sleeve plate 17 is slidably connected with telescopic plate 18, and the side of connecting plate 16 is fixedly installed with rotating column 19, and the end of rotating column 19 is rotatably connected with connecting bolt 20, and the side of telescopic plate 18 is fixedly installed with threaded column 21, and the inside of storage sleeve plate 17 is provided with telescopic mechanism, and telescopic mechanism includes installation groove 22, compression spring 23 and compression block 24, and installation groove 22 is set up in the inside of storage sleeve plate 17, and compression spring 23 is fixedly installed on the inner side wall of installation groove 22, and compression block 24 is fixedly connected on the other end of compression spring 23, and the other side of compression block 24 is fixedly connected with the end of telescopic plate 18, and the size of telescopic plate 18 is adapted to the size of installation groove 22, and the setting of telescopic mechanism is convenient for control telescopic telescopic plate 18.
[0027] When using the highway bridge guardrail's telescopic device, first, base 1 is fixedly installed at the work site through mounting hole 5, then first guardrail main body 14 and second guardrail main body 15 are fixedly installed on first main rod 3 and second main rod 4 respectively, then according to the distance, telescopic plate 18 is pulled inward to make threaded column 21 abut to connecting bolt 20, and connecting bolt 20 is screwed onto threaded column 21 to complete the connection between telescopic plate 18 and connecting plate 16, then it can be used, when repairing in the later period, first, connecting bolt 20 is detached from threaded column 21, at this time, under the elastic potential stretching of compression spring 23, the right side end of telescopic plate 18 is retracted into the inside installation groove 22 of storage sleeve plate 17 through compression block 24, which is convenient for subsequent handling and packaging, and it is very convenient and simple to operate.
[0028] Example 2:
[0029] Please refer toFigures 1 to 7 The utility model provides technical scheme: A highway bridge guardrail's telescopic device, the inside plug connection of embedding groove 6 has embedded block 7, the front surface of embedded block 7 is fixedly connected with positioning pin 9, embedding groove 6 and embedded block 7 are two groups of installation settings on first main rod 3 and second main rod 4, the back surface of first main rod 3 and second main rod 4 is threadedly connected with mounting bolt 8, embedded block 7 is fixedly connected in the inside of embedding groove 6 through mounting bolt 8, the setting of embedding groove 6 and embedded block 7 is convenient for installing positioning mounting block 10, the front surface of positioning pin 9 is provided with positioning mounting block 10, positioning mounting block 10 is provided with connecting mechanism, connecting mechanism includes positioning hole 11, fixed block 12 and fixed screw 13, positioning hole 11 is set up on the back surface of positioning mounting block 10, fixed block 12 is two symmetrical fixedly connected on the left and right two side faces of positioning mounting block 10, fixed screw 13 is threadedly connected on the side face of fixed block 12, positioning hole 11 is adapted with positioning pin 9, and positioning pin 9 can be plugged in the inside of positioning hole 11, positioning mounting block 10 is fixedly connected with embedded block 7 through fixed block 12 and fixed screw 13, and the setting of connecting mechanism is convenient for fixedly connecting positioning mounting block 10 on embedded block 7.
[0030] When using the highway bridge guardrail's telescopic device, after the bottom base 1 is fixedly installed, embedded block 7 can be plugged in the inside of embedding groove 6, and embedded block 7 is fixed in the inside of embedding groove 6 through mounting bolt 8, then positioning mounting block 10 can be installed and connected on the front surface of embedded block 7 through positioning pin 9 and positioning hole 11, then fixed screw 13 is threadedly connected on fixed block 12, the installation and fixed treatment of positioning mounting block 10 can be completed, then subsequent operation can be carried out, and it is very convenient to use and convenient for later maintenance.
[0031] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.
Claims
1. A telescopic device of a highway bridge guardrail, comprising a base (1), a support seat (2), a first main rod (3) and a second main rod (4), characterized in that: The front surface of the first main rod (3) and the second main rod (4) is provided with an embedded groove (6), the inside of the embedded groove (6) is inserted with an embedded block (7), the front surface of the embedded block (7) is fixedly connected with a positioning pin (9), the front surface of the positioning pin (9) is provided with a positioning mounting block (10), the positioning mounting block (10) is provided with a connecting mechanism, the front surface of the positioning mounting block (10) is fixedly connected with a first guardrail body (14) and a second guardrail body (15), the side surface of the first guardrail body (14) is fixedly connected with a connecting plate (16), the side surface of the second guardrail body (15) is fixedly connected with a storage sleeve plate (17), the side surface of the storage sleeve plate (17) is slidably connected with an expansion plate (18), the side surface of the connecting plate (16) is fixedly installed with a rotating column (19), the end of the rotating column (19) is rotatably connected with a connecting bolt (20), the side surface of the expansion plate (18) is fixedly installed with a threaded column (21), the inside of the storage sleeve plate (17) is provided with an expansion mechanism.
2. A retraction device for a highway bridge barrier according to claim 1, wherein: The support seat (2) is fixedly installed on the top of the base (1) and is in the shape of a ladder, the base (1) and the support seat (2) are symmetrically installed on the left and right sides, the first main rod (3) is fixedly installed on the top of the left support seat (2), the second main rod (4) is fixedly installed on the top of the right support seat (2), and the top of the base (1) is provided with an installation hole (5).
3. A retraction device for a highway bridge barrier according to claim 1, wherein: The embedded groove (6) and the embedded block (7) are installed on the first main rod (3) and the second main rod (4) in two groups from top to bottom, the back surface of the first main rod (3) and the second main rod (4) is threadedly connected with an installation bolt (8), and the embedded block (7) is fixedly connected in the inside of the embedded groove (6) through the installation bolt (8).
4. A retraction device for a highway bridge barrier according to claim 1, wherein: The connecting mechanism comprises a positioning hole (11), a fixed block (12) and a fixed screw (13), the positioning hole (11) is provided on the back surface of the positioning mounting block (10), the fixed block (12) is symmetrically fixedly connected on the left and right side surfaces of the positioning mounting block (10), the fixed screw (13) is threadedly connected on the side surface of the fixed block (12), the positioning hole (11) is matched with the positioning pin (9), and the positioning pin (9) can be inserted in the inside of the positioning hole (11), and the positioning mounting block (10) is fixedly connected with the embedded block (7) through the fixed block (12) and the fixed screw (13).
5. A retraction device for a highway bridge barrier according to claim 1, wherein: The first guardrail body (14) and the connecting plate (16) are oppositely installed with the second guardrail body (15) and the storage sleeve plate (17), the size of the first guardrail body (14) is same as that of the second guardrail body (15), and the connecting bolt (20) is threadedly connected with the threaded column (21).
6. A retraction device for a highway bridge barrier according to claim 1, wherein: The telescopic mechanism comprises a mounting groove (22), a compression spring (23) and a compression block (24), the mounting groove (22) is arranged in the inside of the receiving sleeve plate (17), the compression spring (23) is fixedly installed on the inner side wall of the mounting groove (22), the compression block (24) is fixedly connected on the other end of the compression spring (23), the other side of the compression block (24) is fixedly connected with the end of the telescopic plate (18), and the size of the telescopic plate (18) is matched with the size of the mounting groove (22).
Citation Information
Patent Citations
Telescopic device of highway bridge guardrail
CN220643858U