Full-automatic up-and-down safety construction platform for ramp bridge steel pipe straining beam and capping beam pier column welding
By using a prefabricated structure composed of supporting steel sections and wire ropes, the stability and safety issues of the construction platform during the welding of steel pipe beams and cap beam piers of ramp bridges were resolved, realizing an efficient and safe automated construction platform that improves construction efficiency and adaptability.
Patent Information
- Application Number
- CN202520021486.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing technologies for welding steel pipe beams and cap beam piers of ramp bridges suffer from problems such as poor stability of the construction platform, significant safety hazards, poor adaptability, and low construction efficiency.
The prefabricated structure, consisting of supporting steel, wire rope, safety rope, acceleration safety device, wire rope anchor, motor, guardrail, horizontal safety platform, and vertical safety platform, constitutes a fully automatic vertical safety construction platform. The platform is automatically moved up and down by a motor and is equipped with emergency braking and limit devices to provide a safe and reliable construction environment.
It achieves efficient, safe, and automated construction platform, reduces the need for foundation treatment, lowers the risks of high-altitude operations, and improves construction efficiency and adaptability.
Smart Images

Figure CN223853183U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of construction platforms, specifically to a fully automatic and safe construction platform for welding steel pipe beams and cap beams to piers of ramp bridges. Background Technology
[0002] Currently, steel pipe supports or pier-cap beam cylindrical platforms are usually erected on the ground as welding platforms. This structure still has many problems: (1) The ramp bridge piers are high, the overall stability of the pipe support is poor, and there are significant safety hazards during the installation and dismantling process; (2) The ground support requires foundation treatment, which is not economically efficient and affects the space under the bridge, which is not conducive to continuous operation; (3) The pier-cap beam cylindrical automatic up and down platform cannot be adapted to the ramp bridge with steel pipe beam piers. At the same time, multiple construction platforms need to be set up for a single cap beam, resulting in many installation procedures and poor adaptability. Utility Model Content
[0003] Therefore, to address the aforementioned shortcomings, this utility model provides a fully automated safe construction platform for welding the steel pipe girders and cap beams of ramp bridges. This structure is applied to the installation and welding of the steel pipe girders of ramp bridges and the welding of the cap beams and piers. It mainly solves the problem of a safe construction platform for workers when welding the steel pipe girders of ramp bridges to the steel pipes of piers and the steel pipes of piers to the steel boxes of cap beams. This structure adopts an assembled structure of supporting steel, wire ropes, safety ropes, acceleration safety devices, wire rope anchors, motors, guardrails, a transverse safety platform, and a longitudinal safety platform, which can achieve fully automated up and down, providing a safe and reliable construction platform for welding workers.
[0004] This utility model is implemented as follows: a fully automatic safe construction platform for welding steel pipe beams and cap beam piers of ramp bridges is constructed, characterized in that: the main structure includes: supporting steel, steel wire rope, safety rope, acceleration safety device, steel wire rope anchor, motor, guardrail, transverse safety platform, and longitudinal safety platform; the transverse safety platform and longitudinal safety platform constitute the working platform;
[0005] The supporting steel is installed on the upper part of the cap beam steel box to transfer the platform load to the cap beam; the steel wire rope connects the platform to the supporting steel and achieves automatic up and down movement through motor drive; the safety rope is arranged between the supporting steel and the working platform to provide emergency braking in case of emergency.
[0006] The acceleration safety device is located at the top of the work platform. It measures the rising and falling speed of the wire rope and sends a signal to brake in case of an accident.
[0007] The wire rope anchor is arranged on the working platform to connect the wire rope to the working platform.
[0008] The motor is mounted on the work platform to provide power for the platform to move up and down automatically.
[0009] The fully automatic upper and lower safety construction platform for welding steel pipe beams and cap beams of ramp bridges according to the present invention is characterized in that it further includes a limiting device to prevent overshoot, and the limiting device is located at the upper end of the working platform.
[0010] The fully automatic up-and-down safety construction platform for welding steel pipe beams and cap beams of ramp bridges according to this utility model is characterized in that: guardrails are arranged on both sides of the pedestrian working passage of the working platform to provide a safe and effective working space for construction personnel.
[0011] The fully automatic upper and lower safety construction platform for welding steel pipe beams and cap beams of ramp bridges according to the present invention is characterized in that: the transverse safety platform is arranged on the front and rear sides of the cap beam, providing a working platform for construction workers to perform pier-cap beam welding.
[0012] The fully automatic up-and-down safety construction platform for welding steel pipe beams and cap beam piers of ramp bridges according to this utility model is characterized in that: the longitudinal safety platform is arranged on the left and right sides of the cap beam, with a total of 4 longitudinal channels, two fixed channels on the outer side and two longitudinal folding channels on the inner side. It is folded and hidden during the ascent and descent, and unfolded for use when it reaches the welding position.
[0013] The present invention has the following advantages: (1) This structure acts on the top of the steel box of the cap beam, without the need for foundation treatment, and occupies little space at the bottom; (2) The inner side of this structure has a foldable channel, which can provide a platform for welding the tie beam, and does not affect the automatic up and down movement of the structure; (3) This structure adopts a prefabricated structure, which is simple to install and dismantle, and there is no risk of high-altitude operation when installing at the bottom. At the same time, it can be transported as a whole, and the construction efficiency is high. Attached Figure Description
[0014] Figure 1 This is an elevation view of the fully automated, safe, and vertical construction platform for welding the steel pipe beams and cap beams of the ramp bridge piers.
[0015] Figure 2 This is a side view of the fully automated, safe, and vertical construction platform for welding the steel pipe beams and cap beams of the ramp bridge piers.
[0016] Figure 3 This is a 3D model of a fully automated, safe, and safe construction platform for welding steel pipe beams and cap beams / piers of ramp bridges.
[0017] Among them: 1. Supporting steel; 2. Wire rope; 3. Safety rope; 4. Acceleration safety device; 5. Wire rope anchor; 6. Motor; 7. Guardrail; 8. Lateral safety platform; 9. Longitudinal safety platform; 10. Cap beam steel box; 11. Limiting device; 12. Steel pipe concrete pier column; 13. Steel pipe tie beam. Detailed Implementation
[0018] The following will be combined with the appendix Figures 1-3 This utility model will be described in detail, and the technical solutions in the embodiments of this utility model will be clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.
[0019] This utility model provides a fully automated and safe construction platform for welding steel pipe girders and cap beams of ramp bridges, such as... Figures 1-3 As shown; the main structure includes: supporting steel 1, wire rope 2, safety rope 3, acceleration safety device 4, wire rope anchor 5, motor 6, guardrail 7, horizontal safety platform 8, and longitudinal safety platform 9; the horizontal safety platform 8 and the longitudinal safety platform 9 constitute the working platform;
[0020] The supporting steel 1 is placed on the upper part of the cap beam steel box 10 to transfer the platform load to the cap beam; the steel wire rope 2 connects the platform to the supporting steel 1 and achieves automatic up and down movement through the motor 6; the safety rope 3 is arranged between the supporting steel 1 and the working platform to provide emergency braking in case of an emergency.
[0021] The acceleration safety device 4 is located at the top of the work platform. It measures the rising and falling speed of the wire rope and sends a signal to brake in case of an accident.
[0022] The wire rope anchor 5 is arranged on the working platform to connect the wire rope 2 to the working platform.
[0023] The motor 6 is mounted on the work platform to provide power for the platform to move up and down automatically.
[0024] In the implementation of the construction platform described in this application, a limiting device 11 is also provided to prevent overshooting. The limiting device 11 is located at the upper end of the working platform.
[0025] In the implementation of the construction platform described in this application, guardrails 7 are arranged on both sides of the pedestrian access road of the work platform to provide a safe and effective construction space for construction personnel.
[0026] In the implementation of the construction platform described in this application, the transverse safety platform 8 is arranged on both sides of the cap beam to provide a working platform for construction workers to perform pier-cap beam welding.
[0027] In the implementation of the construction platform described in this application, the longitudinal safety platform 9 is arranged on the left and right sides of the cap beam, with a total of 4 longitudinal channels: two fixed channels on the outside and two longitudinal folding channels on the inside. It is folded and hidden during the rising and falling process, and unfolded for use when it reaches the welding position.
[0028] The main structure of this patent includes: supporting steel, wire rope, safety rope, acceleration safety device, wire rope anchor, motor, guardrail, horizontal safety platform, and vertical safety platform.
[0029] (1) Supporting steel: It is placed on the upper part of the cap beam steel box to transfer the platform load to the cap beam.
[0030] (2) Steel wire rope: connects the platform to the supporting steel, and achieves automatic up and down effect through motor drive.
[0031] (3) Safety rope: placed between the supporting steel and the platform, for emergency braking in case of an emergency.
[0032] (4) Acceleration safety device: measures the rising and falling speed of the wire rope, and sends a signal to brake in case of an accident.
[0033] (5) Limiting device: An upward limiting device is provided to prevent the top from being reached.
[0034] (6) Wire rope anchors: placed on the safe working platform to connect the wire rope to the working platform.
[0035] (7) Motor: Located on the working platform to provide power for the platform to move up and down automatically.
[0036] (8) Guardrails: are placed on both sides of the pedestrian access road to provide a safe and effective working space for construction workers.
[0037] (9) Lateral safety platform: arranged on both sides of the cap beam to provide a working platform for construction workers to weld the pier column-cap beam.
[0038] (10) Longitudinal safety platform: arranged on the left and right sides of the cap beam, with a total of 4 longitudinal channels, two fixed channels on the outside and two longitudinal folding channels on the inside. It is folded and hidden during the rising and falling process, and unfolded for use when it reaches the welding position.
[0039] This patent has the following advantages and beneficial effects: (1) This structure acts on the top of the steel box of the cap beam, without the need for foundation treatment, and occupies little space at the bottom; (2) The inner side of this structure has a foldable channel, which can provide a platform for welding the tie beam, and does not affect the automatic up and down movement of the structure; (3) This structure adopts a prefabricated structure, which is simple to install and dismantle, and there is no risk of high-altitude operation when installing at the bottom. At the same time, it can be transported as a whole, and the construction efficiency is high.
[0040] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A fully automated, safe, and easy-to-use construction platform for welding steel pipe beams and cap beam piers of ramp bridges, characterized in that; The main structure comprises: support steel (1), steel wire rope (2), safety rope (3), acceleration safety device (4), steel wire rope anchorage (5), motor (6), guardrail (7), transverse safety platform (8), longitudinal safety platform (9); the transverse safety platform (8) and longitudinal safety platform (9) constitute a working platform; the support steel (1) is arranged on the upper part of the bent cap steel box (10), and the platform load is transmitted to the bent cap; the steel wire rope (2) connects the platform and the support steel (1), and is driven by the motor (6) to achieve the automatic up-down effect; the safety rope (3) is arranged between the support steel (1) and the working platform, and is braked in an emergency; the acceleration safety device (4) is located at the upper end of the working platform; the steel wire rope anchorage (5) is arranged on the working platform, and connects the steel wire rope (2) and the working platform; the motor (6) is arranged on the working platform, and provides power for the automatic up-down of the platform.
2. The full-automatic up-and-down safe construction platform for welding of the tie beam and bent cap pier column of the ramp bridge steel pipe according to claim 1, characterized in that; A limiting device (11) is further arranged to prevent the top from being hit, and the limiting device (11) is located at the upper end of the working platform.
3. The full-automatic up-and-down safe construction platform for welding of the tie beam and bent cap pier column of the ramp bridge steel pipe according to claim 1, characterized in that; The guardrail (7) is arranged on both sides of the pedestrian working channel of the working platform, and provides a safe and effective construction space for the construction personnel.
4. The full-automatic up-and-down safe construction platform for welding of the tie beam and bent cap pier column of the ramp bridge steel pipe according to claim 1, characterized in that; The transverse safety platform (8) is arranged on both sides of the bent cap, and provides a working platform for the construction workers to weld the bent cap and the pier column.
5. The full-automatic up-and-down safe construction platform for the tie beam and bent cap pier column welding of the ramp bridge steel pipe according to claim 1, characterized in that; The longitudinal safety platform (9) is arranged on both sides of the bent cap, and there are four longitudinal channels, two fixed channels on the outside and two longitudinal folding channels on the inside, which are folded and hidden during the rising and falling process, and are unfolded and used when reaching the welding position.