Movable safety operation platform for lowering, positioning and welding steel casing section by section
By designing a movable steel casing sub-section lower positioning and welding safety working platform in pile foundation construction, using the positioning guide rails and welding positioning rollers of the annular structure, the problem of slow welding speed of the steel casing is solved, and efficient Safe construction process.
Patent Information
- Application Number
- CN202421134722.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In the construction of existing pile foundations, the welding of steel casings is usually done manually, and the position needs to be continuously adjusted, resulting in slow welding speed and slow construction process.
A movable steel casing is designed in section lower positioning and welding safety working platform. The installation plate is subjected to the limiting of movement by the positioning guide rails forming an annular structure, so that the installation plate moves circularly with respect to the steel casing, and cooperates with welding. Positioning rollers achieve continuous welding.
It improves the welding efficiency of the steel casing, simplifies the down-position positioning and adjustment process, provides a safer and more convenient construction environment, and improves construction efficiency and operability.
Smart Images
Figure CN222429829U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pile foundation construction, in particular to a movable steel casing segmented lowering positioning and welding safety operation platform. Background Art
[0002] Pile foundation is used to bear the load of buildings or other structures and transfer the load to deeper soil or rock. Pile foundation construction refers to the process of pile foundation construction in construction projects. Pile foundation construction includes the lowering and welding of steel casings. In order to ensure construction safety and convenience of operation, it is usually carried out on a safe working platform.
[0003] In the existing pile foundation construction, the steel casing is lowered into the perforations set on the safety working platform in sections. The steel casing needs to be lowered and limited by a positioning structure to ensure that the steel casings are accurately connected and easy for subsequent welding. However, the welding of steel casings is usually done manually. In order to complete the circular welding, the position needs to be constantly adjusted, which slows the welding speed and leads to slow construction progress. Utility Model Content
[0004] The purpose of the utility model is to provide a movable steel casing segmented lowering positioning and welding safety work platform to solve the problem raised by the above background technology that the welding of steel casings in the current market is usually done manually, and in order to complete the annular welding, the position must be constantly adjusted, which slows down the welding speed and leads to slow construction progress.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a movable steel casing segmented lowering positioning and welding safety working platform, comprising a working platform body and a steel casing, a steel casing through-hole of a circular structure is opened in the middle of the working platform body, and the steel casing penetrates the steel casing through-hole section by section, positioning guide rails constituting a circular ring structure are evenly arranged above the platform of the working platform body, and the circular ring structure constituted by the positioning guide rail is a concentric circle with the circular structure of the steel casing through-hole, a movable limiting strip is movably clamped on the positioning guide rail, and an L-shaped mounting plate is connected to the upper end of the movable limiting strip, so that the movable limiting strip can move through the positioning guide rail, a welding mechanism support plate is also connected to the side of the mounting plate, and welding positioning rollers are respectively arranged on both sides of the welding mechanism support plate, connecting plates are respectively fixed to the outer side of the steel casing, and positioning frames are connected to the upper ends of the connecting plates, and lowering positioning rollers are respectively arranged on the sides of the positioning frames, the steel casing is respectively arranged in sliding contact with the lowering positioning roller and the welding positioning roller, and the axes of the lowering positioning roller and the welding positioning roller are relatively vertically arranged.
[0006] Preferably, the middle portion of the lowering positioning roller is recessed inward, and the recessed portion of the lowering positioning roller is snap-fitted relative to the steel casing, and a first roller fixing seat with a U-shaped structure is fixed to the lowering positioning roller via a rotating shaft.
[0007] Preferably, a positioning plate with a vertical structure is welded and fixed to one end of the upper end of the positioning frame close to the first roller fixing seat, and an adjusting screw is movably penetrated through the positioning plate via a threaded structure.
[0008] Preferably, the end of the adjusting screw is rotatably connected to the first roller fixing seat, and a fastening spring is movably sleeved on the adjusting screw between the first roller fixing seat and the positioning plate, and both ends of the fastening spring are fixed to the first roller fixing seat and the positioning plate by bolts respectively.
[0009] Preferably, a second roller fixing seat with a U-shaped structure is fixed on the welding positioning roller through a rotating shaft, and a movable fixing plate is welded and fixed to the lower end of the second roller fixing seat, the other end of the movable fixing plate is rotatably connected to the mounting plate through a rotating rod, and a screw structure is passed through the middle of the movable fixing plate and the end of the adjusting rod.
[0010] Preferably, the L-shaped structure of the mounting plate is symmetrically provided with limiting holes on the side, and the upper end of the limiting hole is provided with a circular hole communicated with the upper end of the mounting plate, the limiting holes are respectively penetrated by adjusting rods, and a waist hole structure is provided on the adjusting rod, the mounting plate is inserted with a fastening bolt at the circular hole, and the fastening bolt is fastened to the adjusting rod and the mounting plate by the waist hole portion of the adjusting rod.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the movable steel casing section lowering positioning and welding safety operation platform provides a safe and reliable construction working environment for operators, and makes the lowering positioning and adjustment construction of the steel casing more convenient and accurate, with the advantages of high construction efficiency, high operability, high safety, high adjustability, etc., and improves the welding efficiency of the steel casing. The movable steel casing section lowering positioning and welding safety operation platform moves and limits the mounting plate through the positioning guide rail forming an annular structure, so that the mounting plate moves in a circular motion relative to the steel casing, and the welding mechanism positioned by the mounting plate can weld the steel casing under the circular motion, and the welding can be continuous, effectively improving the welding efficiency of the steel casing. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the structure of a movable steel casing segmented lowering positioning and welding safety operation platform of the utility model;
[0013] Figure 2 The utility model is a movable steel casing segmented lowering positioning and welding safety work platform Figure 1 The enlarged structural diagram at A in the middle;
[0014] Figure 3It is a top view of the position structure of the welding positioning roller relative to the mounting plate of a movable steel casing segmented lowering positioning and welding safety working platform of the utility model;
[0015] Figure 4 It is a side view of the position structure of the welding positioning roller relative to the mounting plate of a movable steel casing segmented lowering positioning and welding safety working platform of the utility model;
[0016] Figure 5 This is a schematic diagram of the structure of a movable steel casing section lowering positioning and welding safety work platform, in which a positioning frame and a positioning guide rail are connected through a connecting plate;
[0017] Figure 6 The utility model is a schematic diagram of the structure of a movable steel casing sectionally lowered positioning and welding safety working platform, in which a mounting plate and a positioning guide rail are connected through a movable limiting strip.
[0018] In the figure: 1. Working platform body; 2. Positioning guide rail; 3. Steel casing; 4. Lowering positioning roller; 5. Positioning frame; 6. Connecting plate; 7. First roller fixing seat; 8. Welding positioning roller; 9. Movable limiting strip; 10. Mounting plate; 11. Welding mechanism support plate; 12. Adjusting rod; 13. Steel casing through hole; 14. Movable fixing plate; 15. Fastening spring; 16. Second roller fixing seat; 17. Positioning plate; 18. Adjusting screw; 19. Fastening bolt; 20. Limiting hole. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-6The utility model provides a technical solution: a movable steel casing segmented lowering positioning and welding safety work platform, comprising a work platform body 1 and a steel casing 3, a circular steel casing through-hole 13 is opened in the middle of the work platform body 1, and the steel casing 3 penetrates the steel casing through-hole 13 section by section, and a positioning guide rail 2 constituting a circular ring structure is evenly arranged above the platform of the work platform body 1, and the circular ring structure constituted by the positioning guide rail 2 is concentric with the circular structure of the steel casing through-hole 13, a movable limiting strip 9 is movably clamped on the positioning guide rail 2, and an L-shaped mounting plate 10 is connected to the upper end of the movable limiting strip 9, so that the movable limiting strip 9 can move through the positioning guide rail 2, and a welding mechanism support plate 11 is also connected to the side of the mounting plate 10, and the welding mechanism support plate 11 is 1A welding positioning roller 8 is respectively provided on both sides, and a second roller fixing seat 16 of a U-shaped structure is fixed on the welding positioning roller 8 through a rotating shaft, and a movable fixing plate 14 is welded and fixed at the lower end of the second roller fixing seat 16, and the other end of the movable fixing plate 14 is rotatably connected with the mounting plate 10 through a rotating rod, and a screw structure is penetrated through the middle of the movable fixing plate 14 and the end of the adjusting rod 12. The movable fixing plate 14 of this structure can fix the welding positioning roller 8 through the second roller fixing seat 16, and the adjusting rod 12 and the movable fixing plate 14 can rotate, and the movable fixing plate 14 and the mounting plate 10 can also rotate relative to each other. The L-shaped structure side of the mounting plate 10 is symmetrically provided with a limiting hole 20, and the upper end of the limiting hole 20 is provided with a screw structure that is connected to the upper end of the mounting plate 10. The circular holes are connected to each other, and the limiting holes 20 are respectively penetrated by the adjusting rods 12, and the adjusting rods 12 are provided with waist hole structures, and the mounting plate 10 is inserted with fastening bolts 19 at the circular holes, and the fastening bolts 19 are fastened to the adjusting rods 12 and the mounting plate 10 by the waist hole parts of the adjusting rods 12. This structure can adjust the fixed positions of the adjusting rods 12 and the fastening bolts 19, so that the movable fixing plate 14 can be rotated relative to the mounting plate 10, so that the welding positioning roller 8 is close to the welding positioning roller 8, and the welding positioning roller 8 is vertically arranged so that the butt joint of the steel casing 3 is located at the welding positioning roller 8, so that the welding tool can be stabilized relative to the steel casing 3 through the welding positioning roller 8, and the outer sides of the steel casing 3 are respectively fixed with connecting plates 6, and the upper ends of the connecting plates 6 are connected with positioning frames 5, and the positioning frames A positioning plate 17 of a vertical structure is welded and fixed to one end of the upper end close to the first roller fixing seat 7, and an adjusting screw 18 is movably penetrated in the positioning plate 17 through a threaded structure. This structure allows the adjusting screw 18 to move under the positioning of the positioning plate 17 by rotating the adjusting screw 18. The end of the adjusting screw 18 is rotatably connected to the first roller fixing seat 7, and a fastening spring 15 is movably sleeved on the adjusting screw 18 between the first roller fixing seat 7 and the positioning plate 17, and the two ends of the fastening spring 15 are respectively fixed to the first roller fixing seat 7 and the positioning plate 17 by bolts. When this structure adjusts the spacing between the positioning plates 17 and 17 by adjusting the adjusting screw 18, the positioning roller 4 can be adjusted and lowered according to the actual situation during the construction process.The lowering positioning roller 4 is allowed to contact with the steel casing 3 and make the lowering positioning roller 4 stable. The lowering positioning roller 4 is provided on the side of the positioning frame 5. The steel casing 3 is respectively provided with the lowering positioning roller 4 and the welding positioning roller 8 in sliding contact. The axes of the lowering positioning roller 4 and the welding positioning roller 8 are relatively vertically arranged. The middle part of the lowering positioning roller 4 is concave inwardly, and the concave part of the lowering positioning roller 4 is snap-fitted with the steel casing 3. A first roller fixing seat 7 with a U-shaped structure is fixed on the lowering positioning roller 4 through a rotating shaft. This structure enables the lowering positioning roller 4 to limit the lowering of the steel casing 3 through the concave part. During the lowering process of the steel casing 3, the lowering positioning roller 4 is subjected to the drag reduction treatment by rolling. The lowering positioning roller 4 is evenly arranged to ensure the accurate lowering position of the steel casing 3. When the mounting plate 10 moves under the positioning of the positioning guide rail 2, the positioning frame 5 is located at the outer end of the mounting plate 10, so that the mounting plate 10 can move from under the positioning frame 5.
[0021] Working principle: When using the movable steel casing to be positioned in sections and welded on a safe working platform, first during the foundation pile construction, after building the working platform body 1, the positioning guide rails 2 are spliced into a circular ring structure, and then fixed to the platform of the working platform body 1 with bolts, ensuring that the circular ring structure formed by the positioning guide rails 2 and the steel casing perforations 13 are concentric circles. During the process of lowering the steel casing 3, the lowering positioning roller 4 is used to clamp the steel casing 3 so that the steel casing 3 is lowered and positioned. The positioning frame 5 is fixed to the positioning guide rail 2 through the connecting plate 6. By rotating the adjusting screw 18, the adjusting screw 18 can move the first roller fixing seat 7 under the positioning of the positioning plate 17, adjust the position of the lowered positioning roller 4, and allow the lowered positioning roller 4 to contact the steel casing 3 to achieve high-precision positioning. The tightening spring 15 makes the first roller fixing seat 7 and the positioning plate 17 tense to ensure the first The stability of the position of the roller fixing seat 7, after the steel casing 3 is docked, the steel casing 3 is welded, and the welding tool is placed on the welding mechanism support plate 11. During the welding process, the mounting plate 10 is manually pushed so that the mounting plate 10 makes a circular motion relative to the steel casing 3 through the cooperation of the movable limit strip 9 and the positioning guide rail 2. At the same time, the welding positioning roller 8 is supported at the joint of the welding part of the steel casing 3 for welding positioning processing. By adjusting the position of the adjusting rod 12 in the limit hole 20, and fastening the adjusting rod 12 to the mounting plate 10 by the tightening bolt 19, the shape of the triangle formed by the mounting plate 10, the movable fixed plate 14 and the adjusting rod 12 is changed. After the movable fixed plate 14 is rotated relative to the mounting plate 10, the welding positioning roller 8 is pressed against the side of the steel casing 3, and the second roller fixing seat 16 makes the welding positioning roller 8 stable relative to the movable fixed plate 14, thereby completing a series of work.
[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A movable steel casing section lowering positioning and welding safety work platform, comprising a work platform body (1) and a steel casing (3), characterized in that: A circular steel casing through hole (13) is provided in the middle of the working platform body (1), and the steel casing (3) is penetrated into the steel casing through hole (13) section by section. Positioning guide rails (2) forming a circular ring structure are evenly provided above the platform of the working platform body (1), and the circular ring structure formed by the positioning guide rail (2) and the circular structure of the steel casing through hole (13) are concentric circles. A movable limit strip (9) is movably connected to the positioning guide rail (2), and an L-shaped mounting plate (10) is connected to the upper end of the movable limit strip (9), so that the movable limit strip (9) can be moved through the positioning guide rail (2). ) is movable, the side of the mounting plate (10) is also connected to a welding mechanism support plate (11), and welding positioning rollers (8) are respectively provided on both sides of the welding mechanism support plate (11), the outer sides of the steel casing (3) are respectively fixed with connecting plates (6), and the upper ends of the connecting plates (6) are connected to positioning frames (5), and the sides of the positioning frames (5) are respectively provided with lowering positioning rollers (4), the steel casing (3) is respectively arranged in sliding contact with the lowering positioning roller (4) and the welding positioning roller (8), and the axes of the lowering positioning roller (4) and the welding positioning roller (8) are relatively vertically arranged.
2. A movable steel casing segmented lowering positioning and welding safety work platform according to claim 1, characterized in that: The middle part of the lowering positioning roller (4) is concave inwards, and the concave part of the lowering positioning roller (4) is snap-fitted with the steel casing (3), and a first roller fixing seat (7) with a U-shaped structure is fixed on the lowering positioning roller (4) via a rotating shaft.
3. A movable steel casing segmented lowering positioning and welding safety work platform according to claim 1, characterized in that: A positioning plate (17) with a vertical structure is welded and fixed to one end of the upper end of the positioning frame (5) close to the first roller fixing seat (7), and an adjusting screw (18) is movably penetrated through the positioning plate (17) via a threaded structure.
4. A movable steel casing segmented lowering positioning and welding safety work platform according to claim 3, characterized in that: The end of the adjusting screw (18) is rotatably connected to the first roller fixing seat (7), and a fastening spring (15) is movably sleeved on the adjusting screw (18) between the first roller fixing seat (7) and the positioning plate (17), and the two ends of the fastening spring (15) are respectively fixed to the first roller fixing seat (7) and the positioning plate (17) by bolts.
5. According to claim 1, a movable steel casing segmented lowering positioning and welding safety work platform is characterized by: A second roller fixing seat (16) with a U-shaped structure is fixed on the welding positioning roller (8) via a rotating shaft, and a movable fixing plate (14) is welded and fixed to the lower end of the second roller fixing seat (16), the other end of the movable fixing plate (14) is rotatably connected to the mounting plate (10) via a rotating rod, and a screw structure is passed through the middle of the movable fixing plate (14) and the end of the adjusting rod (12).
6. The movable steel casing segmented lowering positioning and welding safety work platform according to claim 1 is characterized by: The L-shaped structure side of the mounting plate (10) is symmetrically provided with a limiting hole (20), and the upper end of the limiting hole (20) is provided with a circular hole communicating with the upper end of the mounting plate (10), the limiting holes (20) are respectively penetrated by an adjusting rod (12), and the adjusting rod (12) is provided with a waist hole structure, the mounting plate (10) is provided with a fastening bolt (19) inserted at the circular hole, and the fastening bolt (19) is fastened to the adjusting rod (12) and the mounting plate (10) through the waist hole portion of the adjusting rod (12).