Bridge prefabricated crash barrier installation device

By combining the frame with a forklift and using a hydraulic system, the crash barrier can be installed quickly and accurately, solving the problem of cumbersome installation in existing technologies and improving construction efficiency and safety.

CN224313195UActive Publication Date: 2026-06-02POLY CHANGDA ENGINEERING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
POLY CHANGDA ENGINEERING CO LTD
Filing Date
2025-03-11
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The installation of crash barriers in existing bridge construction is cumbersome and cannot be precisely adjusted, affecting construction efficiency and safety.

Method used

The installation device consists of a frame, left and right moving platforms, front and rear moving platforms, and lifting hydraulic cylinders. It connects to the forklift teeth through plug-in blocks and uses suspension components to achieve precise positioning of the crash barrier. The hydraulic system is used for fine-tuning of the position.

Benefits of technology

It enables rapid and precise installation of crash barriers, improving construction efficiency and installation accuracy, and enhancing the safety and stability of crash barriers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of bridge prefabricated crash barrier mounting device, and mounting device includes frame body, left and right moving platform, two front and rear moving platforms, lifting hydraulic cylinder, suspension piece, controller, two plug-in blocks are set at frame body bottom interval, plug-in block is opened slot, slot is inserted with the plug-in tooth of fork truck, left and right moving platform is slidably arranged on frame body, two front and rear moving platforms are symmetrically and perpendicularly arranged at the both ends of left and right moving platform, each front and rear moving platform is equipped with front and rear moving hydraulic cylinder, the piston end of front and rear moving hydraulic cylinder is connected with lifting hydraulic cylinder, the piston end of lifting hydraulic cylinder is connected with suspension assembly, crash barrier is equipped with suspension hole, and suspension assembly suspends crash barrier by suspension hole.The utility model is installed on the fork truck by the mounting device, thereby the quick handling to crash barrier is realized, and the utility model is positioned by being equipped with lifting hydraulic cylinder, left and right moving platform, rear moving platform to realize crash barrier, to greatly improve installation efficiency.
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Description

Technical Field

[0001] This utility model relates to the technical field of crash barrier installation, specifically a prefabricated crash barrier installation device for bridges. Background Technology

[0002] In the construction of viaducts, the installation of crash barriers on both sides of the bridge deck is a crucial step. However, existing construction vehicles present numerous problems when installing crash barriers. Because crash barriers need to be precisely installed on both sides of the bridge deck, construction vehicles typically lack sufficient forward / backward and left / right adjustment capabilities. This makes the installation process extremely cumbersome, requiring significant manual intervention and repeated adjustments, which is not only time-consuming and labor-intensive but also severely impacts construction efficiency. Furthermore, traditional installation methods may result in insufficient installation precision, affecting the safety and stability of the crash barriers. Therefore, there is an urgent need for a device that can efficiently and accurately install crash barriers to improve construction efficiency and quality. Utility Model Content

[0003] The purpose of this utility model is to provide a prefabricated bridge crash barrier installation device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A prefabricated bridge crash barrier installation device includes a frame, left and right moving platforms, two front and rear moving platforms, a lifting hydraulic cylinder, a suspension component, and a controller. Two insertion blocks are spaced apart at the bottom of the frame, each with a slot for engaging with the teeth of a forklift. The left and right moving platforms are slidably mounted on the frame. The two front and rear moving platforms are symmetrically and vertically positioned at both ends of the left and right moving platforms. Each front and rear moving platform is equipped with a front and rear moving hydraulic cylinder. The piston end of the front and rear moving hydraulic cylinder is connected to the lifting hydraulic cylinder, and the piston end of the lifting hydraulic cylinder is connected to the suspension component. The crash barrier has suspension holes, through which the suspension component suspends the crash barrier.

[0006] Preferably, the frame includes two first base plates spaced apart, each first base plate has a plug-in block on its lower surface, and a fixing block is vertically mounted on the upper surface of the two first base plates in the front-back direction. Each fixing block has a left-right moving groove, and the left-right moving grooves of the two fixing blocks correspond to each other.

[0007] Preferably, the left and right moving platform includes two connecting horizontal plates, left and right moving rollers, and connecting vertical plates 132. Each connecting horizontal plate has left and right moving rollers on its outer sides at both ends, and connecting vertical plates are respectively provided at the left and right ends between the two connecting horizontal plates. The left and right moving rollers are rolled in the left and right moving grooves of the fixed block.

[0008] Preferably, the left and right moving platform is further provided with a left and right moving hydraulic cylinder, the mounting end of the left and right moving hydraulic cylinder is located on a first base plate, and the piston end of the left and right moving hydraulic cylinder is connected to the inner side of the connecting longitudinal plate of the left and right moving platform on the opposite side.

[0009] Preferably, the front-to-back moving platform includes a second base plate and a front-to-back moving block. The second base plate is located above the connecting longitudinal plate of the left and right moving platforms and is mounted on two connecting transverse plates. The front-to-back moving block is a frame with a lower opening in the middle of its bottom along the length direction, forming a front-to-back moving channel. Front-to-back moving grooves are formed on both sides of the bottom of the front-to-back moving block, and an upper opening is formed on the top of the front-to-back moving block along the length direction. A front-to-back moving hydraulic cylinder is provided inside the front-to-back moving block. Front-to-back moving rollers are provided on both sides of the mounting end of the lifting hydraulic cylinder. The mounting end of the lifting hydraulic cylinder is connected to the piston end of the front-to-back moving hydraulic cylinder, and the front-to-back moving rollers are rolled on the front-to-back moving grooves.

[0010] Preferably, the suspension assembly includes a suspension connecting ring, a suspension shaft, a suspension lug, a suspension rope, a suspension hook, and a suspension rod. The suspension lug is U-shaped and has a shaft hole at the top. The suspension shaft is coaxial with the suspension connecting ring and the shaft hole. The suspension rope has rope loops at both ends. The suspension hook includes a hook part and a ring part. The ring part is sleeved with the suspension rod, and the hook part is sleeved with the rope loop.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This device connects to the forklift's pins via slots in the connector block. This allows the prefabricated crash barrier installation device to be mounted on the forklift, moving with the forklift and rising and falling with the pins, facilitating the handling and positioning of the crash barrier. In addition, this device features left-right moving platforms, front-back moving platforms, and lifting hydraulic cylinders to fine-tune the position of the crash barrier, enabling rapid positioning and thus achieving fast and accurate installation. Attached Figure Description

[0013] Figure 1 is a structural schematic diagram of a prefabricated bridge crash barrier installation device provided by this utility model;

[0014] Figure 2 is a schematic diagram of the left-right moving platform provided by this utility model;

[0015] Figure 3 This is a schematic diagram of the installation status of a prefabricated bridge crash barrier.

[0016] In the diagram: Frame 11, First base plate 111, Insert block 112, Slot 1121, Fixing block 121, Left and right moving slide 1211, Connecting horizontal plate 131, Left and right moving roller 1311, Connecting vertical plate 132, Reinforcing support frame 1321, Second base plate 133, Front and rear moving block 134, Lower opening 1341, Front and rear moving slide 1342, Upper opening 1343, Left and right moving hydraulic rod 14, Front and rear moving hydraulic rod 15, Lifting hydraulic cylinder 16, Front and rear moving roller 161, Suspension connecting ring 162, Lifting shaft 163, Lifting lug 164, Lifting rope 165, Lifting rope ring 1651, Lifting rod 17, Suspension hook 18, Hook part 181, Lifting ring part 182, Controller 19, Forklift 2, Tooth 21, Crane guardrail 3, Suspension hole 31, Bridge deck 4. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] In the description of this utility model, it should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation. In addition, the control part in this utility model is all prior art.

[0019] Please refer to Figures 1-3. This utility model provides a technical solution: a prefabricated bridge crash barrier installation device. The installation device includes a frame, a left and right moving platform, two front and rear moving platforms, a lifting hydraulic cylinder 16, a suspension component, and a controller. Two plug-in blocks 112 are spaced apart at the bottom of the frame. The plug-in blocks 112 have slots 1121, which are inserted into the forklift 2's insert teeth 21. The left and right moving platforms are slidably mounted on the frame. The two front and rear moving platforms are symmetrically and vertically mounted at both ends of the left and right moving platforms. Each front and rear moving platform is equipped with a front and rear moving hydraulic cylinder. The piston end of the front and rear moving hydraulic cylinder is connected to the lifting hydraulic cylinder 16. The piston end of the lifting hydraulic cylinder 16 is connected to the suspension component. The crash barrier 3 is equipped with a suspension hole 31. The suspension component suspends the crash barrier 3 through the suspension hole 31.

[0020] This device connects to the forklift 2's insert teeth 21 via the slot 1121 of the insert block 112. In this way, the prefabricated crash barrier 3 installation device can be installed on the forklift 2, allowing it to move with the forklift 2 and rise and fall with the insert teeth 21, facilitating the handling and positioning of the crash barrier 3. In addition, this device uses left and right moving platforms, front and rear moving platforms, and lifting hydraulic cylinders 16 to achieve fine-tuning of the crash barrier 3's position, facilitating quick positioning of the crash barrier 3 and thus enabling fast and accurate installation of the crash barrier 3.

[0021] In addition, the front and rear moving platforms are fixedly set on the left and right moving platforms so that the front and rear moving platforms can move left and right synchronously with the left and right moving platforms.

[0022] In this embodiment, preferably, the frame includes two first base plates 111 spaced apart. Each first base plate 111 has a plug-in block 112 on its lower surface. Each of the two first base plates 111 has a fixing block 121 vertically mounted on its upper surface in the front-back direction. Each fixing block 121 has a left-right moving groove 1211, and the left-right moving grooves 1211 of the two fixing blocks 121 correspond to each other.

[0023] In this embodiment, preferably, the left and right moving platform includes two connecting horizontal plates 131, left and right moving rollers 1311, and connecting vertical plates 132. The left and right moving rollers 1311 are provided on the outer sides of both ends of each connecting horizontal plate 131, and the connecting vertical plates 132 are respectively provided on the left and right ends between the two connecting horizontal plates 131. The left and right moving rollers 1311 are rolled in the left and right moving grooves 1211 of the fixed block 121.

[0024] In this embodiment, preferably, the left and right moving platform is also provided with a left and right moving hydraulic cylinder 14. The mounting end of the left and right moving hydraulic cylinder 14 is located on a first base plate 111. The piston end of the left and right moving hydraulic cylinder 14 is connected to the inner side of the connecting longitudinal plate 132 of the left and right moving platform on the opposite side. The end of the left and right moving block 121 is located inside the reinforcing support frame 1321.

[0025] In this embodiment, preferably, the front and rear moving platform includes a second base plate 133 and a front and rear moving block 134. The second base plate 133 is located above the connecting longitudinal plate 132 of the left and right moving platform and is mounted on two connecting transverse plates 131. The front and rear moving block 134 is a frame, and a lower opening 1341 is opened in the middle of its bottom along the length direction to form a left and right moving channel. Front and rear moving grooves 1342 are formed on both sides of the bottom of the front and rear moving block 134. An upper opening 1343 is opened on the top of the front and rear moving block 134 along the length direction. A front and rear moving hydraulic cylinder 15 is provided inside the front and rear moving block 134. Front and rear moving rollers 161 are provided on both sides of the mounting end of the lifting hydraulic cylinder 16. The mounting end of the lifting hydraulic cylinder 16 is connected to the piston end of the front and rear moving hydraulic cylinder, driving the front and rear moving rollers 161 to roll in the front and rear moving grooves 1342.

[0026] To facilitate the suspension of the crash barrier 3, the suspension assembly includes a suspension connecting ring 162, a suspension shaft 163, a suspension lug 164, a suspension rope 165, a suspension hook 18, and a suspension rod 17. The suspension lug 164 is U-shaped and has a shaft hole at the top. The suspension shaft 163 is coaxial with the suspension connecting ring 162 and the shaft hole. The suspension rope 165 has rope loops 1651 at both ends. The suspension hook 18 includes a hook part 181 and a ring part 182. The ring part 182 is sleeved with the suspension rod 17, and the hook part 181 is sleeved with the rope loop 1651.

[0027] This utility model also provides a method for installing prefabricated bridge crash barriers. The installation method uses the aforementioned prefabricated bridge crash barrier installation device and includes the following steps:

[0028] Step 1: Transport the prefabricated crash barrier 3 from the production site to the bridge surface 4 near the location where the crash barrier 3 needs to be installed. During the prefabrication of the crash barrier 3, suspension holes 31 are pre-set on both the left and right sides.

[0029] Step 2: Installation of the mounting device: Insert the forklift 2's pick 21 into the mounting device's slot 1121 and raise the pick 21 to a certain height; connect the suspension lug 164 to the suspension connecting ring 162 via the suspension shaft 163, and thread the suspension rope 165 through the suspension lug 164;

[0030] Step 3: Suspension of the crash barrier 3; Drive the forklift 2 to the location of the crash barrier 3 to be installed, so that the crash barrier 3 is located below the two lifting hydraulic cylinders 16. Insert the suspension rods 17 into the two suspension holes of the crash barrier 3 respectively. Connect the hook part 181 of the suspension hook 18 to the suspension loop 1651 of the suspension rope 165. Connect the loop part 182 of the suspension hook 18 to the suspension rod 17. Connect the installation device to the crash barrier 3 through the suspension rope 165.

[0031] Step 4: Raise the forklift 2's pick 21 to another height so that the crash barrier 3 is off the ground, and then drive the forklift 2 into the location where the crash barrier 3 is installed;

[0032] Step 5: Control the left and right moving hydraulic cylinder 14, the forward and backward moving hydraulic cylinder 15, and the lifting hydraulic cylinder 16 via remote control to move the crash barrier 3 left and right, up and down, and forward and backward, and position the crash barrier 3. After positioning, lower the crash barrier 3, and then remove the suspension rod 17 from the crash barrier 3.

[0033] Step 6: Repeat steps 3-5 to complete the installation of all crash barriers 3.

[0034] The above methods enable rapid transport of crash barriers and allow for fine-tuning of their position during installation, facilitating quick and accurate installation.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A prefabricated bridge crash barrier installation device, characterized in that: The installation device includes a frame, left and right moving platforms, two front and rear moving platforms, a lifting hydraulic cylinder, a suspension component, and a controller. Two plug-in blocks are spaced apart at the bottom of the frame, each plug-in block having a slot for engaging with the forklift's teeth. The left and right moving platforms are slidably mounted on the frame. The two front and rear moving platforms are symmetrically and vertically positioned at both ends of the left and right moving platforms. Each front and rear moving platform is equipped with a front and rear moving hydraulic cylinder. The piston end of the front and rear moving hydraulic cylinder is connected to the lifting hydraulic cylinder, and the piston end of the lifting hydraulic cylinder is connected to the suspension component. The crash barrier has suspension holes, and the suspension component suspends the crash barrier through these suspension holes.

2. The bridge prefabricated crash barrier installation device according to claim 1, characterized in that; The frame includes two first base plates spaced apart. Each first base plate has a plug-in block on its lower surface. A fixing block is vertically mounted on the upper surface of the two first base plates in the front-back direction. Each fixing block has a left-right moving groove, and the left-right moving grooves of the two fixing blocks correspond to each other.

3. The bridge prefabricated crash barrier installation device according to claim 2, characterized in that; The left and right moving platform includes two connecting horizontal plates, left and right moving rollers, and connecting vertical plates. Each connecting horizontal plate has left and right moving rollers on its outer ends at both ends. Connecting vertical plates are provided at the left and right ends between the two connecting horizontal plates. The left and right moving rollers are rolled in the left and right moving grooves of the fixed block.

4. The bridge prefabricated crash barrier installation device according to claim 3, characterized in that; The left and right moving platform is also equipped with a left and right moving hydraulic cylinder. The mounting end of the left and right moving hydraulic cylinder is located on a first base plate, and the piston end of the left and right moving hydraulic cylinder is connected to the inner side of the connecting longitudinal plate of the opposite left and right moving platform.

5. The bridge prefabricated crash barrier installation device according to claim 4, characterized in that; The forward and backward moving platform includes a second base plate and a forward and backward moving block. The second base plate is located above the connecting longitudinal plate of the left and right moving platforms and is mounted on two connecting transverse plates. The forward and backward moving block is a frame with a lower opening in the middle of its bottom along the length direction, forming a forward and backward moving channel. Forward and backward moving grooves are formed on both sides of the bottom of the forward and backward moving block. An upper opening is formed on the top of the forward and backward moving block along the length direction. A forward and backward moving hydraulic cylinder is provided inside the forward and backward moving block. Forward and backward moving rollers are provided on both sides of the mounting end of the lifting hydraulic cylinder. The mounting end of the lifting hydraulic cylinder is connected to the piston end of the forward and backward moving hydraulic cylinder. The forward and backward moving rollers are rolled on the forward and backward moving grooves.

6. The bridge prefabricated crash barrier installation device according to claim 1, characterized in that: The suspension assembly includes a suspension connecting ring, a suspension shaft, a suspension lug, a suspension rope, a suspension hook, and a suspension rod. The suspension lug is U-shaped and has a shaft hole at the top. The suspension shaft is coaxial with the suspension connecting ring and the shaft hole. The suspension rope has rope loops at both ends. The suspension hook includes a hook part and a ring part. The ring part is sleeved with the suspension rod, and the hook part is sleeved with the rope loop.