A vertical form height adjustment device

Abstract

The utility model belongs to the shear wall construction technical field, concretely relates to a vertical formwork height adjusting device, include: lifting portion, measuring portion and bottom plate, be equipped with measuring portion and lifting portion on the bottom plate, lifting portion is used for driving vertical formwork to make vertical lifting movement, measuring portion is butt -jointed with the bottom plate vertically, is used for measuring the lifting distance of vertical formboard. This height adjusting device has solved the problem of the quality of shear wall root that relies on manual lifting, the volume is bigger, construction is inconvenient, the efficiency is low, the artificial cost is high, is prone to the problem of the elevation error being bigger, appears.

Description

Technical Field

[0001] This utility model belongs to the field of shear wall construction technology, specifically relating to a vertical formwork height adjustment device. Background Technology

[0002] Shear walls are one of the main load-bearing structures for earthquake and wind resistance in buildings. They effectively transfer horizontal loads and improve the overall stiffness and overturning resistance of buildings. Shear walls are usually made of reinforced concrete and can withstand large horizontal loads, making them a key component in the seismic design of high-rise buildings, large-span buildings, and other similar structures.

[0003] Shear walls are generally large in size, and using traditional small formwork is inefficient, resulting in numerous joints that hinder concrete pouring and vibration. Using large-area vertical formwork can significantly improve construction efficiency, reduce joints, and enhance concrete quality. For high-rise buildings and large-span structures, the use of large-area vertical formwork becomes even more necessary, improving construction efficiency, reducing costs, and ensuring both shear wall construction quality and overall building safety.

[0004] When reinforcing large-area vertical formwork to ensure the quality of the shear wall base, it is necessary to raise the vertical formwork and install angle steel or seal the base area with cement mortar. However, common technical challenges encountered during the installation of vertical formwork include:

[0005] 1. Large formwork usually requires workers to move and lift it. The formwork system is heavy, and manual adjustment is slow and inefficient.

[0006] 2. The horizontal height of large-area formwork cannot be guaranteed, and the top of the formwork is not flush with the floor slab.

[0007] 3. Existing devices are complex to install and operate, making them difficult to popularize and promote.

[0008] During construction, there are many large-area shear walls, and the formwork system is relatively heavy. When reinforcing large-area vertical formwork, the traditional method is to set angle steel at the bottom of the shear wall to adjust the vertical elevation of the formwork. This mainly relies on manual handling and adjustment. Therefore, the bottom concrete construction is prone to elevation errors, the adjustment speed is slow, the construction efficiency is low, and it further affects the quality of the concrete construction at the base of the shear wall.

[0009] Traditionally, adjusting the height of vertical formwork for shear walls involves setting angle steel at the bottom of the concrete and relying on manual lifting. However, the vertical formwork is large, making construction inconvenient, inefficient, and costly, and can easily lead to large elevation errors and construction quality problems at the base of the shear wall. Utility Model Content

[0010] In view of this, the present invention provides a vertical formwork height adjustment device, which features a simple structure, controllable lifting height, convenient installation and manufacturing, and easy popularization and promotion. It solves the problems of relying on manual lifting, large size, inconvenient construction, low efficiency, high labor costs, and large elevation errors that can lead to quality issues at the shear wall base. The height adjustment device includes: a lifting part, a measuring part, and a base plate;

[0011] The base plate is provided with the measuring part and the lifting part;

[0012] The lifting unit is used to drive the vertical template to perform vertical lifting and lowering movements;

[0013] The measuring unit is vertically connected to the base plate and is used to measure the lifting distance of the vertical template.

[0014] Preferably, the measuring unit includes a scale and a pointer;

[0015] The scale is vertically mounted on the base plate;

[0016] The pointer is mounted on the lifting part and points to the scale on the ruler.

[0017] Preferably, the lifting part includes a bearing, a lead screw, a tube, and a nut;

[0018] The bearing is vertically mounted on the base plate, and its outer ring is fixedly connected to the base plate.

[0019] One end of the lead screw is fixedly connected to the inner ring of the bearing;

[0020] The pipe has an embedded fixing nut, and the lead screw passes through the nut and is threaded into the nut.

[0021] Support members are connected to the side wall of the pipe to support the vertical template.

[0022] Preferably, the ruler is a steel ruler, which is fixedly connected to the base plate.

[0023] Preferably, the other end of the lead screw is sleeved with an operating end.

[0024] Preferably, the base plate is a steel plate; the support member is an angle steel; and the operating end is a nut A.

[0025] Preferably, a sealing ring is provided at the opening at the upper end of the pipe.

[0026] The lead screw passes through the through hole of the sealing ring.

[0027] Beneficial effects

[0028] (I) The device includes a lifting unit, a measuring unit, and a base plate. It features few components and a simple structure, and is capable of vertical movement.

[0029] Accurate raising and lowering of the template.

[0030] (II) This device, through the threaded engagement between the bearing and the lead screw, and between the lead screw and the nut, combined with an electric wrench, easily achieves...

[0031] The vertical template features rapid lifting and lowering movement, and is characterized by its simple structure and convenient operation.

[0032] (III) The main components of this device are made from materials commonly found on construction sites, such as steel plates, angle steel, nuts, and steel pipes; facilitating...

[0033] Processing and manufacturing, reuse, and popularization are all beneficial.

[0034] (iv) A sealing sleeve is installed above the nut of the device to maintain the cleanliness between the nut and the lead screw and prevent dust from affecting the device.

[0035] The screw threads rotate to ensure smooth lifting and lowering of the vertical template. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of a vertical template height adjustment device;

[0037] Among them, 1-operating end, 2-lead screw, 3-sealing ring, 4-scale, 5-pointer, 6-pipe, 7-bearing, 8-support, 9-base plate, 10-nut. Detailed Implementation

[0038] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0039] like Figure 1 As shown, this embodiment provides a vertical formwork height adjustment device, which includes a lifting part, a measuring part, and a base plate 9. The measuring part and the lifting part are mounted on the base plate 9. The measuring part is vertically connected to the base plate 9 and is used to measure the rising distance of the vertical formwork. The lifting part drives the vertical formwork to rise and fall, raising the vertical formwork to the vertical elevation position, providing sufficient working space for the shear wall base, and ensuring the quality of the shear wall base by setting angle steel or sealing it with cement mortar.

[0040] The measuring unit includes a scale 4 and a pointer 5. The scale 4 is vertically mounted on the base plate 9, and the pointer 5 is located on one side of the lifting unit, with one end pointing to a graduation on the scale 4, used to accurately indicate the vertical distance moved by the lifting unit. This measuring unit solves the problem that existing devices cannot quickly and accurately measure the lifting distance of a vertical template.

[0041] As an example, the ruler 4 is a steel ruler, one end of which is fixed to the base plate 9. The steel ruler has a specification of 300mm.

[0042] The lifting mechanism includes a bearing 7, a lead screw 2, a tube 6, and a nut 10. The lower end of the lead screw 2 is supported on the base plate 9 by the bearing 7. The lead screw 2 can rotate around its own axis. Specifically, the axis of the bearing 7 is vertical, and the bearing 7 includes an inner ring and an outer ring, wherein the outer ring is fixedly connected to the base plate 9. One end of the lead screw 2 is vertically inserted into the inner ring and fixedly connected to it. Due to the rotational relationship between the inner and outer rings, the lead screw 2 can rotate along the axis of the bearing 7.

[0043] The tube 6 is a hollow cavity with openings at the top and bottom. The lead screw 2 is coaxially arranged inside the tube 6. A nut 10 is embedded and fixed inside the tube 6. A threaded through hole is opened in the center of the nut 10 in the vertical direction. The nut 10 is fixed to the inner wall of the tube 6. The lead screw 2 passes through the nut 10 and is threadedly engaged with the nut 10. Rotating the lead screw 2 causes the nut 10 to drive the tube 6 to move vertically along the direction of the lead screw 2.

[0044] Support members 8 are fixedly connected to the side wall of the pipe 6 to support the vertical template. In use, at least two of these adjustment devices are used to lift the vertical template. An operating end 1 is fixedly sleeved to the top of the lead screw 2. For example, a hexagonal nut is welded to the top of the lead screw 2. The welded hexagonal nut is shaped to fit an electric wrench. The electric wrench transmits torque to the lead screw 2 through the welded hexagonal nut, causing the lead screw 2 to rotate. When the lead screw 2 rotates, it drives the pipe 6, which is fixedly connected to the nut 10, to move upward or downward through the nut 10 threaded to the lead screw 2. That is, uniform lifting and lowering motion is achieved through simple lead screw and nut transmission (the forward or reverse rotation of the lead screw 2 can make the pipe 6 move upward or downward).

[0045] The base plate 9, pipe 6, support 8, ruler 4, pointer, screw 2 and other materials are designed and combined to form an adjustable lifting integrated device. The root of the vertical template is placed on the support 8 of the device. By rotating the screw 2 inside the pipe 6 with an electric wrench, the pointer 5 is observed to move up and down within the value range of the ruler 4 to adjust the height of the vertical template, thereby improving efficiency and accuracy.

[0046] As an example, the support member 8 is an angle steel with an L-shape, and one side plate of the angle steel is fixedly connected to the side wall of the sleeve 6. The angle steel specification is L50*5.

[0047] As an example, the operating end 1 is nut A. The electric wrench has a mating joint that matches the size of nut A, wherein the nut is a hexagonal nut with a specification of DN16.

[0048] As an example, the bearing 7 is a rolling bearing with a bearing specification of DN60.

[0049] The pipe 6 is a steel pipe, wherein the steel pipe has a size of φ48.3*3.6.

[0050] The lead screw 2 is made of steel bar, and the steel bar specification is φ50 HPB300.

[0051] As an example, the base plate 9 is a steel plate or a wooden board.

[0052] In the hollow cavity of the pipe 6, not only is a nut 10 provided, but in order to prevent dust from the construction site from falling into the threads between the screw 2 and the nut 10 in the hollow cavity and affecting the lifting and lowering of the pipe 6, a sealing ring 3 is provided at the opening at the upper end of the pipe 6, and the screw 2 passes through the through hole of the sealing ring 3.

[0053] As an example, the sealing ring 3 is a nylon ring, wherein the nylon ring is made of a DN50 nylon rod.

[0054] Most of the materials used in the height adjustment device are sourced from the construction site. By using locally available materials, the device can be installed and manufactured quickly, thereby reducing construction costs and improving construction efficiency.

[0055] The manufacturing steps for this height adjustment device include:

[0056] First, cut HPB300 steel bars according to the dimensions in the drawings and grind them. Then, use a lathe to process the steel bars so that threads are set on the outer wall to make threaded steel bars.

[0057] Next, make the angle steel. Cut L50*5 angle steel according to the drawing requirements and grind and drill holes. The angle steel will be in direct contact with the vertical template.

[0058] Next, cut the circular steel pipe according to the set size requirements, drill holes in its side wall, fix the vertical side plate of the angle steel to the side wall of the steel pipe, and spray paint its surface.

[0059] Then, select a nut B with the same diameter as the steel pipe that can be accommodated in the steel pipe, put the nut B into the steel pipe, and ensure that the axis of the nut B coincides with the central axis of the steel pipe.

[0060] Next, according to the drawing requirements, the DN50 nylon rod is made into a sealing ring 3 by lathe, and the dimensional deviation is controlled so as not to affect the range of the sealing ring 3 passing through the steel bar; the components set on the steel bar from top to bottom are the sealing ring 3 and nut B;

[0061] After cutting and grinding the steel plate to the specified dimensions, holes are drilled to serve as the base plate;

[0062] Prepare a qualified steel ruler 4 and pointer 5;

[0063] Finally, all the processed qualified materials are assembled and debugged on site. The sealing ring 3 made of nylon rod is installed into the steel pipe, one end of the steel bar is sleeved in the inner ring of the bearing, and the outer ring of the bearing 7 is fixedly installed on the steel plate. The steel pipe is sleeved on the steel bar through nut B, and nut A or treasury cap is fixed to the other end of the steel bar.

[0064] Next, install the L50*5 angle steel top support device onto the side wall of the steel pipe, and install pointer 5 on the steel pipe;

[0065] Finally, the steel ruler is vertically installed on the steel plate to complete the construction of the lifting device.

[0066] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A vertical template height adjustment device, characterized in that, Includes lifting unit, measuring unit and base plate (9); The base plate (9) is provided with the measuring part and the lifting part; The lifting unit is used to drive the vertical template to perform vertical lifting and lowering movements; The measuring part is vertically connected to the base plate (9) and is used to measure the lifting distance of the vertical template; The measuring unit includes a scale (4) and a pointer (5); The scale (4) is vertically set on the base plate (9); The pointer (5) is set on the lifting part, and the pointer (5) points to the scale on the ruler (4); The lifting part includes a bearing (7), a lead screw (2), a tube (6), and a nut (10); The bearing (7) is vertically mounted on the base plate (9), and its outer ring is fixed to the base plate (9); One end of the lead screw (2) is fixedly connected to the inner ring of the bearing (7); The pipe (6) is fitted with a fixing nut (10), and the lead screw (2) passes through the nut (10) and is threadedly engaged with the nut (10); A support member (8) is fixedly connected to the side wall of the pipe (6) to support the vertical template.

2. The vertical template height adjustment device according to claim 1, characterized in that, The ruler (4) is a steel ruler, which is fixedly connected to the base plate (9).

3. The vertical template height adjustment device according to claim 1, characterized in that, The other end of the lead screw (2) is fixed to the operating end (1).

4. The vertical template height adjustment device according to claim 1, characterized in that, The base plate (9) is a steel plate; the support member (8) is an angle steel.

5. A vertical template height adjustment device according to any one of claims 1, 3, or 4, characterized in that, A sealing ring (3) is provided at the opening at the upper end of the pipe (6). The lead screw (2) passes through the through hole of the sealing ring (3).

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