Hoisting device for high pier bridge construction platform operation
By designing the operation hoisting device of the high pier bridge construction platform, including the construction platform frame, positioning hoisting vehicle and walking bracket, the problems of low construction efficiency and poor safety in the existing technology have been solved, and the stability and safety of the construction platform have been improved. To meet the construction needs of large-section rigid high-pier bridges.
Patent Information
- Application Number
- CN202420947843.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing bridge construction platforms have low construction efficiency and poor safety in high altitude operations, especially in the construction of large-section rigid high-pier bridges, and the suspended small hanger cannot meet the construction progress and personal safety needs.
A high-pier bridge construction platform operation hoisting device is designed, including a construction platform frame, a positioning hoisting vehicle and a walking bracket. The construction platform frame is fixed to the bottom of the bridge to be repaired, the positioning hoisting vehicle is placed on the bridge deck, and one end of the walking bracket is fixed to the construction. On the platform frame, the other end is installed on the positioning hoisting vehicle, and the winch device and the extension support are used to ensure the stability and safety of the walking bracket, and to achieve rapid movement and fixation through the directional wheels and slip resistors.
It improves the stability and safety of the construction platform, ensures the safety of workers during construction, and at the same time improves construction efficiency, can move quickly and adapt to different construction environments.
Smart Images
Figure CN222251780U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bridge pier construction, and in particular relates to an operation hoisting device for a high pier bridge construction platform. Background Art
[0002] During use, bridges are often subject to adverse effects such as landslides, rain erosion, and overloading. In addition, the maintenance and replacement of pier supports during the operation period require operations in a small area at high altitudes during the construction process.
[0003] At present, in the construction of railway and highway high pier bridges, workers are usually suspended by a suspended combined small hanger or a hanger. The platform is mainly suspended on the bridge arm of the railway or highway. The platform working surface is narrow, the construction efficiency is greatly reduced, and the safety is also poor; the hanger structure is used for hoisting, and the workers are hoisted to the part to be repaired by using a hanging basket, which is low in safety; the above two methods require personnel to be hoisted with the platform, which increases the risk of workers; sometimes the central axis of the aerial work platform support rod is inconsistent, resulting in the inability of the aerial work platform to operate normally; the axle of the arm-type aerial work platform is not adjusted in real time, and the equipment will not be in a horizontal state, and one tire will be off the ground. In this state, the equipment will shake greatly, and there are serious safety hazards. In particular, large-section rigid high pier bridges may have limited space for replacing bearings during construction, which puts higher requirements on the required construction platform, that is, the suspended small hanger construction platform cannot meet the construction progress and personal safety requirements. Utility Model Content
[0004] The utility model aims to provide a high-pier bridge construction platform operation hoisting device to overcome the problems of low construction safety and inconvenience for workers in going up and down the existing bridge construction platform.
[0005] A high pier bridge construction platform operation hoisting device comprises a construction platform frame, a positioning hoisting vehicle and a walking bracket. The construction platform frame is used for workers to walk on. The construction platform frame is fixed to the bottom of the high pier bridge to be repaired. The positioning hoisting vehicle is placed on the bridge deck. One end of the walking bracket can be fixed on the construction platform frame, and the other end is installed on the positioning hoisting vehicle.
[0006] Preferably, the positioning hoisting vehicle comprises a mobile body, on which a counterweight block and a hoisting device are arranged, and the hoisting device hoists the construction platform frame through a sling.
[0007] Preferably, the construction platform frame includes horizontal beams, vertical beams and an operating panel, and the horizontal beams and vertical beams are staggered around the operating panel to form a fence around the operating panel.
[0008] Preferably, a ladder frame slot is provided on the working panel, a limiting portion capable of being inserted into the ladder frame slot is provided at the bottom of the traveling bracket, and the limiting portion of the traveling bracket is inserted into the ladder frame slot of the working panel.
[0009] Preferably, the positioning hoisting vehicle is provided with an extending support portion, which can be extended to the outside of the bridge, and the end of the extending support portion is provided with a buckle and a guide wheel, and the walking bracket is guided and slid by the guide wheel.
[0010] Preferably, a directional wheel is provided at the bottom of the positioning hoisting vehicle, and a skid blocker for positioning the directional wheel is provided on one side of the directional wheel.
[0011] Preferably, a mesh protection net is provided at the bottom of the working panel.
[0012] Preferably, the skid stopper is a wheel block.
[0013] Preferably, the hoisting device specifically adopts an electric motor, and a clamping device for clamping the output shaft is provided on one side of the output shaft of the hoisting device.
[0014] Compared with the prior art, the utility model has the following beneficial technical effects:
[0015] The utility model provides a high pier bridge construction platform operation hoisting device, comprising a construction platform frame, a positioning hoisting vehicle and a walking bracket. The construction platform frame is used for workers to walk, and the construction platform frame is fixed to the bottom of the high pier bridge to be repaired. The positioning hoisting vehicle is placed on the bridge deck. One end of the walking bracket can be fixed on the construction platform frame, and the other end is installed on the positioning hoisting vehicle. Construction workers reach the construction platform frame from the positioning hoisting vehicle through the walking bracket, and use the walking bracket to provide a stable supporting walking structure. When in use, the positioning hoisting vehicle is used to hoist the construction platform frame into place and install and fix it, and then the walking bracket is set up between the positioning hoisting vehicle and the construction platform frame. The construction platform frame can be built in advance. After the construction is completed, the workers enter the construction platform frame through the walking bracket to carry out construction. The positioning hoisting vehicle can ensure the stability of the walking bracket and ensure the safety of the workers during the construction process. At the same time, the positioning hoisting vehicle can be used to achieve rapid movement, thereby improving work efficiency.
[0016] Preferably, the limiting portion of the walking bracket is inserted into the ladder frame slot of the working panel, which can ensure the quick installation of the walking bracket; and can prevent the walking bracket from sliding during use, thereby ensuring the stability of the walking bracket, avoiding the influence of vehicle loads above the bridge deck, and ensuring construction safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the high pier bridge construction platform operation hoisting device in the embodiment of the utility model.
[0018] Figure 2 It is a schematic diagram of the high pier bridge structure in an embodiment of the utility model.
[0019] Figure 3 It is a schematic diagram of a construction platform frame in an embodiment of the utility model.
[0020] Figure 4 It is a schematic diagram of the walking support structure in an embodiment of the utility model.
[0021] Figure 5 It is a schematic diagram of the installation structure of the walking support in the embodiment of the utility model.
[0022] Figure 6 It is a schematic diagram of the installation structure of the skid blocker in the embodiment of the utility model.
[0023] Figure 7 It is a schematic diagram of the installation structure of the hoisting device in the embodiment of the utility model.
[0024] Figure 8 It is a schematic diagram of the structure of the high pier bridge construction platform operation hoisting device in the embodiment of the utility model.
[0025] In the figure, 1. high-pier bridge to be repaired; 1-1. box beam; 1-2. cap beam; 1-3. bridge pier; 1-4; 1-5. capping platform; 2. construction platform frame; 2-1. cross beam; 2-2. vertical beam; 2-3. working panel; 2-4. ladder frame slot; 3. walking bracket; 4. positioning hoisting vehicle; 4-2. extending support part; 4-3. guide pulley; 4-4. directional wheel; 4-5. skid blocker; 5. winch device. DETAILED DESCRIPTION
[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0028] The utility model provides a high pier bridge construction platform operation hoisting device, such as Figure 1 , Figure 4 As shown, it includes a construction platform frame 2, a positioning hoisting vehicle 4 and a walking bracket 3. The construction platform frame 2 is a construction platform for construction workers to walk on. The construction platform frame 2 is fixed to the bottom of the high pier bridge to be repaired, and the positioning hoisting vehicle 4 is placed on the bridge deck. One end of the walking bracket 3 can be fixed on the construction platform frame 2, and the other end is installed on the positioning hoisting vehicle 4. Construction workers reach the construction platform frame 2 from the positioning hoisting vehicle 4 through the walking bracket 3, and use the walking bracket 3 to provide a stable supporting walking structure. When in use, the construction platform frame 2 is hoisted into place and fixed by the positioning hoisting vehicle 4, and then the walking bracket 3 is set up between the positioning hoisting vehicle 4 and the construction platform frame 2. The construction platform frame 2 can be built in advance. After the construction is completed, the workers enter the construction platform frame 2 through the walking bracket 3 for construction. The positioning hoisting vehicle 4 can ensure the stability of the walking bracket 3 and ensure the safety of the workers during construction. At the same time, the positioning hoisting vehicle 4 can achieve rapid movement, thereby improving work efficiency.
[0029] The positioning hoisting vehicle 4 includes a mobile body 4-1, on which a counterweight is arranged to prevent the mobile body 4-1 from tilting due to the construction workers moving up and down with the help of the walking bracket 3 during the hoisting process. A hoisting device 5 is arranged on the mobile body 4-1, and the hoisting device 5 hoists the construction platform frame 2 through a sling.
[0030] During construction, the winch device 5 fixed on the positioning hoisting vehicle 4 is used to hoist the construction platform frame 2 to the lower end of the high pier bridge to be repaired, and then the support device is used to support and fix the construction platform frame 2 from the bottom of the construction platform frame 2, or the construction platform frame 2 is fixed to the positioning hoisting vehicle 4 by a hoisting pull rod; thereby completing the hoisting and installation of the construction platform frame 2; during hoisting, a positioning hoisting vehicle 4 can be placed on both sides of the bridge, and the construction platform frame 2 can be installed and fixed from both sides, thereby ensuring the installation stability of the construction platform frame 2. Alternatively, the construction platform frame 2 is hoisted by a crane, and when the construction platform frame 2 is hoisted from one side to the bottom of the bridge deck, the other side of the construction platform frame 2 is pulled up by a pulling rope from the other side, and gradually reaches the predetermined position, and then the construction platform frame 2 is fixed and installed by a supporting frame (scaffolding) or a hoisting pull rod.
[0031] like Figure 2 As shown, the present application is mainly directed to a high-pier bridge 1 to be repaired, including a box girder 1-1, a cap beam 1-2, a pier 1-3, a pedestal 1-4 and a pedestal 1-5, wherein the pile foundation 1-5 is deep in the soil layer, the pedestal 1-4 is located at the upper end of the pile foundation 1-5, the pier 1-3 is located between the cap beam 1-2 and the pedestal 1-4, and the box girder 1-1 is located at the upper end of the cap beam 1-2. This is the basic structure of the lower part of the bridge, which bears the load from the upper bridge deck and transfers the load to the foundation soil.
[0032] like Figure 3 As shown, the construction platform frame 2 includes a horizontal beam 2-1, a vertical beam 2-2 and an operation panel 2-3, wherein the horizontal beam 2-1 and the vertical beam 2-2 are staggeredly arranged around the operation panel 2-3 to form a fence structure around the operation panel 2-3, and the fence structure formed by the horizontal beam 2-1 and the vertical beam 2-2 is a working area. A mesh protection net is arranged at the bottom of the operation panel 2-3 to improve the operation strength of the operation panel 2-3.
[0033] A ladder frame slot 2-4 is provided on the working panel 2-3, and a limiting portion capable of being inserted into the ladder frame slot 2-4 is provided at the bottom of the walking bracket 3. The limiting portion of the walking bracket 3 is inserted into the ladder frame slot 2-4 of the working panel 2-3, which can ensure the rapid installation of the walking bracket 3; and can prevent the walking bracket 3 from sliding during use, thereby ensuring the stability of the walking bracket 3, avoiding the influence of the vehicle load above the bridge deck, and ensuring construction safety.
[0034] A horizontal beam 2-1 and a vertical beam 2-2 are arranged on the construction platform frame 2, and the longitudinal beams and the horizontal beams are used to provide support during construction work; a wire mesh is arranged at the bottom of the working panel 2-3 to reduce the weight of the entire structure, and plywood is laid on the wire mesh to facilitate workers to walk on it and transport construction materials.
[0035] In one embodiment of the present application, an extending support portion 4-2 is provided on the positioning hoisting vehicle 4, and the extending support portion 4-2 can be extended to the outside of the bridge. A buckle and a guide wheel are provided at the end of the extending support portion 4-2. The walking bracket 3 slides guided by the guide wheel to reduce the difficulty of installing the walking bracket 3. When the walking bracket 3 is installed in place, the walking bracket 3 is fixed by using the buckle at the end of the extending support portion 4-2, thereby completing the installation of the walking bracket 3. The construction personnel walk from the upper end of the extending support portion 4-2 to the walking bracket 3, and then descend to the construction platform frame 2 with the help of the walking bracket 3; the walking bracket 3 of the present application adopts a ladder structure.
[0036] The guide pulley 4-3 on the extended support part 4-2 can also be used as the conductor of the sling. One end of the sling is fixed on the hoisting device 5, and the other end passes around the guide pulley 4-3 and is fixed to one end of the construction platform frame 2. The hoisting device 5 is used to hoist the construction platform frame 2.
[0037] like Figure 5 As shown, the bottom of the positioning hoisting vehicle 4 is provided with a directional wheel 4-4, and a skid blocker 4-5 is provided on one side of the directional wheel 4-4, and the directional wheel 4-4 is positioned by the skid blocker 4-5. The skid blocker 4-5 adopts a wheel block. A handle 4-6 is provided on one side of the skid blocker 4-5 for manual placement.
[0038] like Figure 6 As shown, the hoisting device 5 specifically adopts an electric motor, and a clamping device 5-1 is provided on one side of the output shaft of the hoisting device 5. The clamping device 5-1 is used to clamp the output shaft to prevent the construction platform frame 2 from loosening when it is hoisted and fixed.
[0039] The utility model provides a high pier bridge construction platform operation hoisting device. After the positioning hoisting vehicle 4 is in place on the bridge deck, the anti-slip device 4-5 is pulled to firmly position it. After the construction platform frame 2 is hoisted to a suitable position by using the winch device 5, the walking bracket 3 is fixedly installed. The worker enters the construction platform frame 2 through the walking bracket 3. During operation, the winch device 5 is fixed by the clamping device 5-1 to prevent the risk of falling. During installation, the lower end of the walking bracket 3 is connected with the ladder frame slot 2-4 of the construction work platform. The slot ensures that the ladder frame is protected from the influence of bridge deck vibration caused by bridge deck vehicles during use, thereby improving the safety and comfort of construction operations.
Claims
1. A high pier bridge construction platform operation hoisting device, characterized in that: The invention comprises a construction platform frame (2), a positioning hoisting vehicle (4) and a traveling support (3); the construction platform frame (2) is provided with a construction platform; the construction platform frame (2) is fixed to the bottom of a high pier bridge to be repaired; the positioning hoisting vehicle (4) is placed on the bridge deck; one end of the traveling support (3) can be fixed to the construction platform frame (2) and the other end is installed on the positioning hoisting vehicle (4).
2. The high pier bridge construction platform operation hoisting device according to claim 1 is characterized in that: The positioning hoisting vehicle (4) comprises a moving vehicle body (4-1), on which a counterweight block and a hoisting device (5) are arranged, and the hoisting device (5) hoists the construction platform frame (2) through a sling.
3. The high pier bridge construction platform operation hoisting device according to claim 1 is characterized in that: The construction platform frame (2) comprises a horizontal beam (2-1), a vertical beam (2-2) and an operating panel (2-3); the horizontal beam (2-1) and the vertical beam (2-2) are staggeredly arranged around the operating panel (2-3) to form a fence around the operating panel (2-3).
4. The high pier bridge construction platform operation hoisting device according to claim 1 is characterized in that: The working panel (2-3) is provided with a ladder frame slot (2-4), the bottom of the walking bracket (3) is provided with a limiting portion capable of being inserted into the ladder frame slot (2-4), and the limiting portion of the walking bracket (3) is inserted into the ladder frame slot (2-4) of the working panel (2-3).
5. The high pier bridge construction platform operation hoisting device according to claim 1 is characterized in that: The positioning hoisting vehicle (4) is provided with an extending support part (4-2), which can extend to the outside of the bridge, and the end of the extending support part (4-2) is provided with a buckle and a guide wheel, and the walking bracket (3) slides guided by the guide wheel.
6. The high pier bridge construction platform operation hoisting device according to claim 1 is characterized in that: The bottom of the positioning crane vehicle (4) is provided with a directional wheel (4-4), and one side of the directional wheel (4-4) is provided with a skid blocker (4-5) for positioning the directional wheel (4-4).
7. The high pier bridge construction platform operation hoisting device according to claim 4 is characterized in that: A mesh protection net is arranged at the bottom of the working panel (2-3).
8. The high pier bridge construction platform operation hoisting device according to claim 6 is characterized in that: The skid block (4-5) adopts a wheel block.
9. The high pier bridge construction platform operation hoisting device according to claim 1, characterized in that: The hoisting device (5) specifically adopts an electric motor, and a clamping device (5-1) for clamping the output shaft is arranged on one side of the output shaft of the hoisting device (5).