Automatic lifting platform device suitable for bridge detection vehicle
By installing slide rails and an automatic lifting platform driven by electric winch in the vertical truss channel of the bridge detection vehicle, combined with the fall-proof device, the problems of inconvenience and safety hazards in the passage in the existing technology are solved, and the convenience of passage is significantly improved and security.
Patent Information
- Application Number
- CN202421000422.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The ladder length and net width of the channel in the vertical truss passage of existing bridge inspection vehicles are insufficient, resulting in inconvenient passage for larger people and carry equipment and poses major safety hazards.
Design an automatic lifting platform device, by installing two left and right slide rails in the vertical truss channel, and using a remote control to control the electric winch drive lifting platform to run up and down along the slide rail, combining with the fall-proof device to provide safety guarantees, improving traffic convenience and security.
It greatly improves the convenience and safety of personnel and equipment, and solves the problems of inconvenience and safety hazards in the passageways in the prior art.
Smart Images
Figure CN222204648U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an automatic lifting platform device suitable for a bridge inspection vehicle. Background Art
[0002] The existing bridge inspection vehicle is to install a long single straight ladder in the vertical truss channel to meet the access of personnel and equipment in the working platform. At present, the length of the ladder in the industry is generally about 9 meters, and the net width of the channel is about 800mmX700mm. It is very inconvenient for larger personnel and personnel carrying equipment to crawl in the channel, which also brings some major safety hazards. Summary of the invention
[0003] The purpose of the utility model is to provide an automatic lifting platform device suitable for bridge inspection vehicles to address the deficiencies in the above-mentioned prior art. The utility model installs the lifting platform on two full-length slide rails welded in the vertical truss channel, and controls the electric winch through a remote control to realize its up and down movement in the vertical truss channel, transport equipment and personnel to the working platform, and uses a fall arrester for safety protection, which greatly improves the convenience and safety of passage.
[0004] The purpose of this utility model can be achieved through the following technical measures:
[0005] The utility model is suitable for an automatic lifting platform device of a bridge inspection vehicle, comprising a vertical truss, two left and right slide rails vertically arranged in a symmetrical manner in a vertical truss channel, and a lifting platform installed between the left and right slide rails in a sliding manner; a pulley assembly is installed on the top of the lifting platform, an electric winch controlled by a remote controller for driving the lifting platform to perform lifting and lowering movements along the left and right slide rails is fixedly installed on the top of the vertical truss, a steel wire rope extending from the electric winch extends downward, passes around the pulley assembly, and is then fixed upward on a fixed seat at the top of the vertical truss; and a fall arrester is installed between the top of the vertical truss and the top of the lifting platform to play a protective role.
[0006] The lifting platform described in the utility model is combined with the left and right slide rails in a sliding manner through movable sliders installed on the left and right slideways of the platform frame; a fixed seat is installed at the middle position above the top cross beam of the lifting platform, and a group of pulley assemblies are respectively installed on both sides of the fixed seat above the top cross beam, and the steel wire rope extended from the electric winch extends downward, bypasses the pulley assemblies on the left and right sides in turn, and is then fixed upward to the fixed seat at the top end of the vertical truss; the fall arrester that plays a protective role is hoisted below the fixed seat at the top end of the vertical truss, and the extended steel wire rope is fixed downward to the fixed seat at the middle position of the top of the lifting platform, providing safety protection during the lifting process.
[0007] The platform frame of the lifting platform is composed of rectangular metal pipes, with a welded frame at the bottom and patterned aluminum plates; the sides are 300mm high protected; a handrail is set in the middle; the cross-section of the left and right slide rails is a U-shaped groove structure; the cross-section of the movable slider is a concave structure, and the inner concave surface of the movable slider is clamped on the rear facade of the left and right slides of the platform frame and fixed by a connecting piece, and the outer wall surface of the movable slider is embedded in the slide rail groove with a U-shaped groove structure in a sliding fit manner, with a single-side gap of 1mm, and grease is applied to ensure that the lifting platform can slide normally in the slide rail without getting stuck.
[0008] The beneficial effects of the utility model are as follows:
[0009] Since the utility model adopts the method of installing the lifting platform on the left and right slide rails arranged in the vertical truss channel, and controlling the electric winch by the remote control to realize its up and down movement in the vertical truss channel, transporting equipment and personnel to the working platform, and using the fall arrester for safety protection, the convenience and safety of passage are greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of assembly relationship.
[0011] Figure 2 yes Figure 1 Side view of.
[0012] Figure 3 yes Figure 1 Top view of the .
[0013] Figure 4 It is a three-dimensional structural diagram of the utility model.
[0014] Figure 5 This is a partial enlarged view of the matching relationship between the slide rail and the movable slider.
[0015] Figure 6 It is a schematic diagram of the operation.
[0016] Figure 7 yes Figure 6 Side view of.
[0017] Serial numbers in the figure: 1. Lifting platform, 2. Moving slider, 3. Vertical truss, 4. Left and right slide rails, 5. Pulley assembly, 6. Electric winch, 7. Fall arrester, 8. Fixed seat. DETAILED DESCRIPTION
[0018] The utility model will be further described below in conjunction with the embodiments (attached drawings):
[0019] like Figure 1 , 2As shown in Figures 3 and 4, the automatic lifting platform device suitable for a bridge inspection vehicle of the utility model comprises a vertical truss 3, two left and right slide rails 4 vertically arranged in a symmetrical manner in a vertical truss channel, and a lifting platform 1 installed between the left and right slide rails 4 in a sliding manner; a pulley assembly 5 is installed on the top of the lifting platform 1, and an electric winch 6 controlled by a remote control for driving the lifting platform to perform lifting and lowering movements along the left and right slide rails is fixedly installed on the top of the vertical truss 3, and a steel wire rope extending from the electric winch 6 extends downward, bypasses the pulley assembly 5, and is then fixed upward on the fixed seat at the top of the vertical truss 3; and a fall arrester 7 for protection is installed between the top of the vertical truss 3 and the top of the lifting platform 1.
[0020] The lifting platform 1 described in the utility model is combined with the left and right slide rails 4 in a sliding manner through a movable slider 2 installed on the left and right slideways of the platform frame; a fixed seat 8 is installed at the middle position above the top crossbeam of the lifting platform 1, and a group of pulley assemblies 5 are respectively installed on both sides of the fixed seat 8 above the top crossbeam. The steel wire rope extended from the electric winch 6 extends downward, bypasses the pulley assemblies on the left and right sides in turn, and is then fixed upward to the top fixed seat of the vertical truss 3; the fall arrester 7 that plays a protective role is hoisted below the top fixed seat of the vertical truss 3, and the extended steel wire rope is fixed downward to the fixed seat 8 at the middle position of the top of the lifting platform, providing safety protection during the lifting process.
[0021] The platform frame of the lifting platform 1 is composed of rectangular metal pipes, with a welded frame at the bottom and patterned aluminum plates; the side has a 300mm high protection; a handrail is set in the middle; the cross section of the left and right slide rails 4 is a U-shaped groove structure; the cross section of the moving slider 2 is a concave structure, the inner concave surface of the moving slider is clamped on the rear facade of the left and right slides of the platform frame, and is fixed by a connecting piece, and the outer wall surface of the moving slider 2 is embedded in the groove of the slide rail with a U-shaped groove structure in a sliding fit, with a single-side gap of 1mm, and grease is applied to ensure that the lifting platform can slide normally in the slide rail without jamming (see Figure 5 ).
Claims
1. An automatic lifting platform device suitable for a bridge inspection vehicle, Features: The invention comprises a vertical truss (3), two left and right slide rails (4) vertically arranged in a symmetrical manner in a vertical truss channel, and a lifting platform (1) installed between the left and right slide rails (4) in a sliding manner; a pulley assembly (5) is installed on the top of the lifting platform (1); an electric winch (6) controlled by a remote controller and used to drive the lifting platform to move up and down along the left and right slide rails is fixedly installed on the top of the vertical truss (3); a steel wire rope extending from the electric winch (6) extends downward, passes around the pulley assembly (5), and is then fixed upward on a fixing seat at the top of the vertical truss (3); and a fall arrester (7) is installed between the top of the vertical truss (3) and the top of the lifting platform (1) to play a protective role.
2. The automatic lifting platform device suitable for a bridge inspection vehicle according to claim 1, Features: The lifting platform (1) is connected to the left and right slide rails (4) in a sliding manner through a movable slider (2) installed on the left and right slideways of the platform frame; a fixed seat (8) is installed at the middle position above the top crossbeam of the lifting platform (1); a group of pulley assemblies (5) are installed on both sides of the fixed seat (8) above the top crossbeam; a steel wire rope extending from the electric winch (6) extends downward and passes through the pulley assemblies on the left and right sides in turn, and then is fixed upward to the top fixed seat of the vertical truss (3); a fall arrester (7) that plays a protective role is hoisted below the top fixed seat of the vertical truss (3), and the extended steel wire rope is fixed downward to the fixed seat (8) at the middle position of the top of the lifting platform, providing safety protection during the lifting process.
3. The automatic lifting platform device suitable for a bridge inspection vehicle according to claim 2, Features: The platform frame of the lifting platform (1) is composed of rectangular metal pipes, with a welded frame at the bottom, paved with patterned aluminum plates, and 300mm high protection on the sides; a handrail is arranged in the middle; the cross-section of the left and right slide rails (4) is a U-shaped groove structure; the cross-section of the movable slider (2) is a concave structure, and the inner concave surface of the movable slider is clamped on the rear facade of the left and right slide rails of the platform frame and fixed by a connecting piece, and the outer wall surface of the movable slider (2) is embedded in the groove of the slide rail with a U-shaped groove structure in a sliding fit, with a single-side gap of 1mm, and grease is applied to ensure that the lifting platform can slide normally in the slide rail without getting stuck.