Tool type adjustable stair steel formwork

Abstract

The utility model discloses a tool type adjustable stair steel formwork, and belongs to the technical field of building construction. The utility model mainly comprises main support tubes, auxiliary support tubes, angle-adjustable connecting components, height-adjustable support seats and step template components, the auxiliary support tubes are arranged at two ends of the main support tubes through the angle-adjustable connecting components, the step template components are arranged at the end parts of the auxiliary support tubes, and the step template components are arranged between the main support tubes. The building stair formwork is suitable for construction of pouring of building stairs of various specifications, convenient to mount and dismount and capable of being used repeatedly, wood waste and the requirement for human resources are reduced, and therefore the influence on the environment is reduced, and the construction cost is reduced. The stair climbing device is more stable and safer, reduces accidents occurring in the stair construction process, and guarantees the personal safety of on-site constructors. The device has great reference significance for green construction, energy consumption reduction, 'four sections and one environment protection 'and the like, and is worthy of popularization and application.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, and specifically relates to the construction of cast-in-place reinforced concrete stairs, specifically a tool-type adjustable stair steel formwork. Background Technology

[0002] In the reinforced concrete staircase pouring process of building construction, wooden formwork and prefabricated steel formwork are the two most commonly used formwork types. Although they each have their advantages, they also have obvious disadvantages.

[0003] Wooden formwork is susceptible to moisture, deformation, and damage during use, affecting the accuracy of subsequent installation. The installation cycle is long, requiring frequent cutting and reinforcement, especially in high-load or large-span structures where support is insufficient. Regarding construction quality, wooden formwork joints are prone to grout leakage, leading to honeycomb and pitting on the concrete surface. Furthermore, its flatness decreases after repeated use, and its durability is poor, with a turnover rate of only 5-10 times, requiring frequent replacement and increasing costs.

[0004] Standard steel formwork is heavy and relies on machinery for transportation; it requires high installation precision during construction, has poor flexibility, and is difficult to adapt to complex structures, requiring customized special formwork; in terms of construction quality, concrete easily sticks to the surface of steel formwork, joint treatment is complicated, and it is sensitive to temperature. In summer, it can cause the concrete surface moisture to evaporate too quickly, and in winter, it may cause shrinkage cracks due to temperature differences, affecting the quality of concrete molding. Summary of the Invention

[0005] The purpose of this utility model is to solve the problems existing in the prior art and to provide a tool-type adjustable stair steel formwork.

[0006] This utility model is achieved through the following technical solution:

[0007] An adjustable stair steel formwork tool includes two parallel and inclined main support pipes. The top and bottom ends of each main support pipe are connected to secondary support pipes via angle-adjustable connecting components. Each secondary support pipe is connected to a height-adjustable support seat at its end. Multiple sets of step formwork assemblies are evenly distributed between the two main support pipes. Each step formwork assembly includes a step baffle. Two hinged ear plates are fixed on one side of the step baffle. A short scaffolding pipe is connected to each hinged ear plate via a quick-release locking screw. The other ends of the two short scaffolding pipes are fixedly connected to the two main support pipes respectively via right-angle fasteners.

[0008] Furthermore, the angle-adjustable connection assembly includes two sleeves, one end of which is fixed with a hinge joint. The two hinge joints are overlapped and fixed together by fastening bolts. The other ends of the two sleeves are fixedly connected to the main support pipe and the auxiliary support pipe, respectively.

[0009] Further, the two hinged joints are provided with a toothed surface.

[0010] Further, the height-adjustable support base comprises a base, a threaded stud is vertically fixed on the base, two adjusting nuts are threadedly connected on the threaded stud, and the end of the auxiliary support pipe is connected to the threaded stud between the two adjusting nuts.

[0011] Further, the auxiliary support pipe comprises a horizontal pipe segment, one end of the horizontal pipe segment is fixedly connected to the sleeve in the angle-adjustable connecting assembly, the other end of the horizontal pipe segment is fixedly connected with a vertical pipe segment, and the vertical pipe segment is sleeved on the threaded stud in the height-adjustable support base and located between the two adjusting nuts.

[0012] Further, the main support pipes and the auxiliary support pipes are provided with reinforcing support pipes, and the two ends of the reinforcing support pipes are fixedly connected to the main support pipes and the auxiliary support pipes through right-angle fasteners.

[0013] The building stair pouring construction device has the advantages of scientific design, reasonable structure, simple operation, convenient construction, avoidance of the shortcomings of traditional methods such as wood formwork and steel forming formwork, and combination of the advantages of the two kinds of formwork. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further description of the building stair pouring construction device, form a part of the present application, and are used to explain the building stair pouring construction device and do not constitute improper limitation on the building stair pouring construction device.

[0015] Figure 1 It is a structural front view of the building stair pouring construction device.

[0016] Figure 2 It is a structural left view of the building stair pouring construction device.

[0017] Figure 3 It is a structural top view of the building stair pouring construction device.

[0018] Figure 4 It is a connection front view of the hinged ear plate, the short frame pipe and the quick-release locking screw in the building stair pouring construction device.

[0019] Figure 5 It is a connection right view of the hinged ear plate, the short frame pipe and the quick-release locking screw in the building stair pouring construction device.

[0020] Figure 6 It is the structure front view of angle adjustable connecting assembly in the utility model.

[0021] Figure 7 It is the structure bottom view of angle adjustable connecting assembly in the utility model.

[0022] Figure 8 It is the connection front view of sleeve and hinge joint in the utility model.

[0023] Figure 9 It is the structure front view of height adjustable supporting seat in the utility model.

[0024] Figure 10 It is the structure right view of height adjustable supporting seat in the utility model.

[0025] Figure 11 It is the structure front view of step baffle in the utility model.

[0026] Figure 12 It is the structure right view of step baffle in the utility model.

[0027] In the drawing: 1-main supporting pipe, 2-angle adjustable connecting assembly, 3-secondary supporting pipe, 4-height adjustable supporting seat, 5-step baffle, 6-hinge ear plate, 7-quick release locking screw, 8-short frame pipe, 9-right angle fastener, 10-sleeve, 11-hinge joint, 12-fastening bolt, 13-bite tooth, 14-base, 15-stud, 16-adjusting nut, 17-strengthening supporting pipe. DETAILED DESCRIPTION

[0028] In order to make the person skilled in the art better understand the utility model, the following is further clear, complete to the utility model with reference to the drawing and combining embodiment. It needs to be explained that, in the case of no conflict, the features in the embodiment and the embodiment in the application can be combined mutually.

[0029] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "top", "bottom" and the like is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model.

[0030] As Figures 1 to 12As shown, the embodiment provides a tool type adjustable stair steel formwork, which comprises two main supporting pipes 1 arranged in parallel and inclined, the top end and the bottom end of each main supporting pipe 1 are connected with a secondary supporting pipe 3 through an angle adjustable connecting assembly 2, and the end of each secondary supporting pipe 3 is connected with a height adjustable supporting seat 4; a plurality of step formwork assemblies are connected between the two main supporting pipes 1 in an equal interval, the step formwork assembly comprises a step baffle 5, two hinged lug plates 6 are fixed on one side surface of the step baffle 5, a short frame pipe 8 is connected in each hinged lug plate 6 through a quick release locking screw 7, and the other end of the two short frame pipes 8 is fixedly connected with the two main supporting pipes 1 through right angle fasteners 9 respectively.

[0031] In specific implementation, the angle adjustable connecting assembly 2 comprises two sleeve pipes 10, one end of each sleeve pipe 10 is fixedly connected with a hinge joint 11, the two hinge joints 11 are arranged in an overlapping manner and are fixedly connected through a fastening bolt 12, and the surface of the two hinge joints 11 in contact with each other is provided with a toothed engagement 13, so as to strengthen the engagement force between the two hinge joints 11; the other end of the two sleeve pipes 10 is fixedly connected with the main supporting pipe 1 and the secondary supporting pipe 3 respectively, that is, the main supporting pipe 1 and the secondary supporting pipe 3 are inserted into the corresponding sleeve pipe 10 and are fixedly connected through a connecting bolt.

[0032] In specific implementation, the height adjustable supporting seat 4 comprises a base 14, a threaded stud 15 is fixedly connected with the base 14 vertically, two adjusting nuts 16 are threadedly connected on the threaded stud 15, and the end of the secondary supporting pipe 3 is connected to the threaded stud 15 at a position between the two adjusting nuts 16.

[0033] In specific implementation, the secondary supporting pipe 3 comprises a horizontal pipe segment, one end of the horizontal pipe segment is fixedly connected with the sleeve pipe 10 in the angle adjustable connecting assembly 2, that is, the horizontal pipe segment is inserted into the corresponding sleeve pipe 10 and is fixedly connected through a connecting bolt; the other end of the horizontal pipe segment is fixedly connected with a vertical pipe segment, the vertical pipe segment is sleeved on the threaded stud 15 in the height adjustable supporting seat 4, and the vertical pipe segment is located between the two adjusting nuts 16.

[0034] In specific implementation, the main supporting pipe 1 and the secondary supporting pipe 3 are both provided with a reinforcing supporting pipe 17, and the two ends of the reinforcing supporting pipe 17 are fixedly connected with the main supporting pipe 1 and the secondary supporting pipe 3 through the right angle fastener 9.

[0035] In the tool-type adjustable stair steel formwork described in this embodiment, the main support pipe 1, the auxiliary support pipe 3, the short frame pipe 8, the sleeve pipe 10, and the reinforced support pipe 17 are all made of φ48 steel pipes. These pipes form a formwork support, and the step baffle 5 is installed on the formwork support through structures such as right-angle fasteners 9, which can realize the adjustability of the spacing of the step baffle 5. By changing the length of the main support pipe 1, the formwork can also adapt to different numbers of steps. The step baffle 5 connection component uses a short frame pipe 8 and a hinged ear plate 6, and the step baffle 5 is connected through a quick-release locking screw 7, realizing the angle adjustability of the step baffle 5. At the top and bottom of the formwork support, angle-adjustable connection assemblies 2 and height-adjustable support seats 4 are used to control the slope and height of the stairs, meeting the construction requirements of different specifications of stair formwork.

[0036] Compared with the prior art, the tool-type adjustable stair steel formwork described in this embodiment mainly solves the following technical problems:

[0037] 1) Complexity of structure

[0038] Prior art problem: Stair designs often have complex geometric shapes and variable inclination angles, making it difficult for traditional steel formwork to adapt.

[0039] The technical solution of this embodiment solves: The tool-type adjustable stair steel formwork can flexibly adjust the shape and size to adapt to different design requirements and actual site conditions, ensuring accurate construction.

[0040] 2) Construction precision control

[0041] Prior art problem: Wood formwork may deform during use, affecting the precision of the final structure.

[0042] The technical solution of this embodiment solves: The tool-type adjustable stair steel formwork provides high-precision structural support, ensuring that the size and shape of the stairs meet design standards and reducing the need for later finishing and adjustment.

[0043] 3) Construction efficiency

[0044] Prior art problem: The installation and disassembly of traditional wood and steel formwork can be cumbersome, affecting construction progress.

[0045] The technical solution of this embodiment solves: The tool-type adjustable stair steel formwork has modular design and fast adjustment features, greatly improving the efficiency of installation and disassembly and shortening the construction cycle.

[0046] 4) Reuse and maintenance

[0047] Prior art problem: Traditional wood formwork has a short service life and may need to be replaced frequently, increasing material costs and maintenance workload.

[0048] The tool type adjustable stair steel formwork has high durability and reusability, can be used multiple times, and reduces long-term material cost and maintenance workload.

[0049] 5) Standardization and refinement of construction

[0050] The prior art problem is that the standardization degree and detail processing of wood formwork in stair construction may have errors.

[0051] The tool type adjustable stair steel formwork has high durability and reusability, can be used multiple times, and reduces long-term material cost and maintenance workload.

[0052] 6) Safety

[0053] The prior art problem is that the instability of the formwork during construction may cause safety hazards.

[0054] The tool type adjustable stair steel formwork has high durability and reusability, can be used multiple times, and reduces long-term material cost and maintenance workload.

[0055] As can be seen from the above, the tool type adjustable stair steel formwork described in the embodiment avoids the shortcomings of wood formwork and steel formwork, and also learns from the advantages of these two types of formwork, realizes the up-down and front-back adjustment of each step baffle 5, and meets the variable range of each step; through the tooling of each component, the standard stair is taken as the reference, and non-standard components are expanded; the bolt connection is used instead of welding technology, the stair can be flexibly assembled and disassembled, and general stair specifications are applicable; after assembly, the tower crane can be used for vertical transportation, integral hoisting, and integral disassembly, ensuring accurate position and meeting the construction and design requirements. The construction difficulty is reduced, the construction safety is improved, the construction progress is accelerated, and the construction quality is guaranteed, which achieves the purpose of rational utilization of resources.

[0056] The tool type adjustable stair steel formwork described in the embodiment is simple to operate, safe and convenient to construct, has good visual effect after use, and can guarantee the construction quality, effectively reducing the consumption of construction personnel, time, materials, etc., thereby achieving the purpose of cost saving. It is beneficial to popularize and use in the future. The tool type adjustable stair steel formwork described in the embodiment achieves good results in improving construction safety, engineering quality, shortening construction period, and saving materials. The construction technology brings good economic and social benefits to enterprises, saves construction period, improves safe and civilized construction, improves construction quality, has better construction flexibility, and has a broad market prospect.

[0057] The above-described embodiments only express the optimal implementation of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A tool-style adjustable stair steel form, characterized by: The utility model provides a kind of adjustable height and angle step formwork, including two parallel and inclined main support pipes, the top end of each main support pipe and the bottom end are connected with sub-support pipe by angle adjustable connecting component, and the end of each sub-support pipe is connected with height adjustable support seat;Multiple groups of step template components are evenly connected between the two main support pipes, and the step template component includes step baffle, two hinged lug plates are fixed on the side panel of step baffle, a short frame pipe is connected in each hinged lug plate by quick-release locking screw, and the other end of two short frame pipes is fixedly connected with two main support pipes by right angle fastener respectively.

2. The tool adjustable stair formwork of claim 1, wherein: The angle adjustable connecting component includes two sleeves, one end of two sleeves is fixed with hinged joint, two hinged joints are overlapped and connected by fastening bolt, and the other end of two sleeves is fixedly connected with main support pipe and sub-support pipe respectively.

3. The tool adjustable stair form panel of claim 2, wherein: The side of two hinged joints is provided with occlusal tooth.

4. The tool adjustable stair form panel of claim 3, wherein: The height adjustable support seat includes base, vertical fixed stud is provided on base, two adjusting nuts are threadedly connected on stud, and the end of sub-support pipe is connected on stud between two adjusting nuts.

5. The tool adjustable stair form panel of claim 4, wherein: The sub-support pipe includes horizontal pipe section, one end of horizontal pipe section is fixedly connected with sleeve in angle adjustable connecting component, vertical pipe section is fixed on the other end of horizontal pipe section, vertical pipe section is sleeved on stud in height adjustable support seat and located between two adjusting nuts.

6. The tool adjustable stair form panel of claim 5, wherein: The main support pipe and the sub-support pipe are provided with reinforcing support pipe, and the two ends of reinforcing support pipe are fixedly connected with main support pipe and sub-support pipe by right angle fastener.

Images