Lining formwork for formwork erecting and pouring

Abstract

The utility model relates to a formwork pouring lining formwork which comprises positioning devices arranged at the two ends of a barrel and a barrel-shaped structure located in the barrel and composed of PVC plates, and each positioning device comprises a positioning center pipe and at least three positioning supporting pipes distributed in the circumferential direction of the positioning center pipe. The tail end of the positioning supporting pipe is provided with an arc-shaped plate used for pressing the periphery of the cylinder. The two ends of a positioning shaft located in the barrel-shaped structure penetrate through the positioning center pipe, a plurality of supporting devices are arranged on the positioning shaft at intervals in the axial direction, each supporting device comprises a center connecting plate arranged on the positioning shaft in a sleeving mode and a plurality of supporting pipes evenly distributed in the circumferential direction of the center connecting plate, and the ends of the supporting pipes abut against the inner wall of the barrel-shaped structure composed of the PVC plates. Therefore, the barrel-shaped structure composed of the PVC plates can be kept coaxial with the barrel body. According to the utility model, the PVC plate support template is adopted, and the PVC plate is very smooth in surface and very light in weight, so that the lining pouring operation is simple, the construction cost is reduced, and the construction quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lining casting, and in particular relates to a formwork for casting a lining. Background Art

[0002] The commonly used method for casting and molding the lining of cold wall equipment in the industry is steel formwork. Steel formwork has the advantage of not being easily deformed, but a piece of formwork with a specification of 1000mmx500 weighs about 20kg. The formwork is too heavy, the manufacturing and construction time of the formwork itself is too long, the cost is high, and it is not easy to dismantle the formwork. Summary of the invention

[0003] In order to solve the above problems, the utility model provides a new structure of formwork casting lining template, which has the characteristics of light weight, easy assembly, use and demoulding.

[0004] The purpose of the utility model and the technical problem to be solved are achieved by adopting the following technical solutions. A formwork casting lining template proposed in the utility model includes: positioning devices installed at both ends of the cylinder and a cylindrical structure composed of PVC plates located in the cylinder, wherein the positioning device includes a positioning center tube and at least three positioning support tubes distributed along the circumference of the positioning center tube and extending radially along the positioning center tube, and the end of the positioning support tube has an arc plate for pressing on the outer periphery of the cylinder to keep the positioning center tube coaxial with the cylinder; the two ends of the positioning shaft located in the cylindrical structure composed of PVC plates pass through a positioning center tube respectively, and a plurality of support devices are arranged on the positioning shaft at intervals along the axial direction, and the support device provides support for the cylindrical structure composed of PVC plates so that it can remain coaxial with the cylinder.

[0005] The purpose of the utility model and the solution to its technical problems can also be further achieved by adopting the following technical measures.

[0006] The aforementioned formwork casting lining formwork, the cylindrical structure composed of PVC boards includes multiple PVC boards, and adjacent PVC boards are connected at the joints by metal strips located on the inner side of the cylindrical structure, and the metal strips are fixed to the PVC boards by adhesives.

[0007] In the aforementioned formwork casting lining formwork, the positioning support tube has an adjustable length.

[0008] The aforementioned formwork casting lining formwork, the supporting device includes a central connecting plate sleeved on the positioning shaft and a plurality of supporting tubes evenly distributed around the central connecting plate, the end of the supporting tube abuts against the inner wall of the cylindrical structure composed of PVC plates.

[0009] The aforementioned formwork for casting the lining formwork, the support tube is a telescopic structure capable of adjusting the length.

[0010] The aforementioned formwork casting lining formwork, the support pipe includes single-head threaded pipes at both ends and an adjusting sleeve in the middle.

[0011] In the aforementioned formwork casting lining formwork, the outer circle of the central connecting plate is evenly distributed with a plurality of connecting grooves extending in the radial direction, and the connecting grooves are adapted to the connecting pipes.

[0012] Compared with the prior art, the utility model has obvious advantages and beneficial effects. By means of the above technical solution, the utility model can achieve considerable technical progress and practicality, and has wide industrial utilization value, and has at least the following advantages:

[0013] The utility model adopts a PVC board support template. Since the surface of the PVC board is very smooth and the weight is very light, the lining casting operation can be simple, the construction cost can be reduced, and the construction quality can be improved. At the same time, the positioning device and the supporting device of the PVC board are reusable and adjustable, which can meet the lining casting needs of equipment of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the use of the formwork for casting a lining formwork of the utility model;

[0015] Figure 2 for Figure 1 AA section view;

[0016] Figure 3 for Figure 1 BB cross-sectional view;

[0017] Figure 4 for Figure 3 Enlarged view of part I.

[0018]

Main component symbol description

[0019] 1: Cylinder

[0020] 2: Lining

[0021] 3: PVC board

[0022] 4: Positioning device

[0023] 5: Support device

[0024] 6: Positioning axis

[0025] 7: Positioning the center tube

[0026] 8: Curved plate

[0027] 9: Positioning support tube

[0028] 10: Central connecting plate

[0029] 11: Metal layering

[0030] 12: Adjust the sleeve

[0031] 13: Single-end threaded pipe

[0032] 14: Binder DETAILED DESCRIPTION

[0033] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation method, structure, characteristics and effects of the formwork casting lining template proposed by the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0034] See also Figure 1-4 , which is a schematic diagram of the structure of each part of the formwork for casting lining template of the utility model, the formwork for casting lining template includes positioning devices 4 fixed at both ends of the cylinder 1 to be cast for lining and a PVC plate 3 located in the cylinder 1, the PVC plate 3 forms a cylindrical structure, the positioning device 4 has a positioning center tube 7 coaxial with the cylinder 1, and both ends of the positioning shaft 6 located in the cylinder 1 pass through a positioning center tube 7 on the positioning device respectively, and are kept consistent with the axis of the cylinder 1 through the two positioning center tubes 7.

[0035] A plurality of supporting devices 5 are arranged at intervals on the positioning shaft 6 along its extension direction. The supporting devices 5 are located in the cylindrical structure composed of the PVC plates 3 and provide support for the cylindrical structure so that it can be arranged coaxially with the cylinder 1. A space for casting the lining 2 is formed between the outer wall of the cylindrical structure and the inner wall of the cylinder 1.

[0036] In this embodiment, the PVC board 3 has multiple pieces, which together form a cylindrical structure coaxial with the cylinder 1, and the above-mentioned cylindrical structure is connected and fixed at the joint by a metal strip 11, and the metal strip 11 is bonded and fixed to the PVC board by an adhesive 14 to achieve splicing and fixing between the PVC boards. Preferably, the metal strip 14 has a thickness of 6 to 8 mm. The utility model can select a suitable number of PVC boards according to the size of the cylinder 1 and the thickness of the lining, and then form a cylindrical structure of corresponding size.

[0037] In this embodiment, the positioning device 4 further includes at least three positioning support tubes 9 distributed around the positioning center tube 7, and each positioning support tube 9 is provided with an arc plate 8 at the end thereof. When the arc positioning plates 8 at the ends of each positioning support tube 9 are pressed against the outer wall of the cylinder 1, the positioning center tube 7 is in a coaxial position with the cylinder 1. Preferably, the positioning support tube 9 has a retractable length to meet the positioning requirements of the ends of the cylinder 1 of different sizes. Preferably, there are 4 positioning support tubes 9.

[0038] The supporting device 5 includes a central connecting plate 10 sleeved on the positioning shaft 6. The central connecting plate 10 is cylindrical and fits with the positioning shaft 6 with a small gap so that its center axis is consistent with the positioning shaft 6, thereby making its center axis consistent with the center axis of the cylinder 1.

[0039] The central connecting plate 10 is also evenly distributed with a plurality of support tubes in the circumferential direction, and the ends of the support tubes abut against the inner wall of the cylindrical structure composed of PVC plates to provide support for the cylindrical structure so that the cylindrical structure remains coaxial with the cylinder body 1.

[0040] The support tube is composed of two single-end threaded tubes 13 and an adjusting sleeve 12 connecting the two single-end threaded tubes 13. The length of the support tube can be adjusted by adjusting the connection position between the two single-end threaded tubes 13 and the adjusting sleeve 12 to adapt to cylindrical structures composed of PVC boards of different sizes. In other embodiments of the utility model, the support tube can also be a telescopic structure of other forms.

[0041] In the embodiment of the utility model, the outer circle of the central connecting plate 10 is evenly distributed with a plurality of connecting grooves extending in the radial direction, and the connecting end of the support tube and the central connecting plate 10 is located in the connecting groove and is thread-locked or matched with a small gap in the connecting groove.

[0042] In the present invention, the number of supporting tubes connected to the outer periphery of the central connecting plate 10 can be selected according to the size of the cylindrical structure composed of PVC plates.

[0043] In the embodiment of the present utility model, the distance between adjacent supporting devices 5 is 1 to 2 m.

[0044] In the embodiment of the utility model, the positioning device 4 may also be other structures, which only need to realize the positioning of the axis of the cylinder 1 so that the positioning shaft 6 connected to the positioning device 4 can remain coaxial with the cylinder 1.

[0045] After many tests and practical applications, the utility model can save 30% of construction time. Taking a cylinder with a diameter of 2000mm and a length of 10000mm as an example, it can save about 2000kg of template materials. And because it can be reused, it has great significance in reducing construction costs.

[0046] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A formwork casting lining formwork, characterized in that: include: A positioning device installed at both ends of the cylinder and a cylindrical structure composed of PVC plates located in the cylinder are provided, wherein the positioning device includes a positioning center tube and at least three positioning support tubes distributed along the circumference of the positioning center tube and extending radially along the positioning center tube, and the ends of the positioning support tubes have arc-shaped plates for pressing on the outer periphery of the cylinder to keep the positioning center tube coaxial with the cylinder; both ends of the positioning shaft located in the cylindrical structure composed of PVC plates are supported and positioned by the positioning center tube, and a plurality of supporting devices are arranged on the positioning shaft at intervals along the axial direction, and the supporting device includes a central connecting plate sleeved on the positioning shaft and a plurality of supporting tubes uniformly distributed around the central connecting plate, and the ends of the supporting tubes are abutted against the inner wall of the cylindrical structure composed of PVC plates, so that the cylindrical structure composed of PVC plates can remain coaxial with the cylinder.

2. The formwork casting lining formwork according to claim 1, characterized in that: The cylindrical structure composed of PVC boards includes a plurality of PVC boards, and adjacent PVC boards are connected at the joints by metal strips located inside the cylindrical structure, and the metal strips are fixed to the PVC boards by adhesives.

3. The formwork casting lining formwork according to claim 1, characterized in that: The positioning support tube has an adjustable length.

4. The formwork casting lining formwork according to claim 1, characterized in that: The support tube is a telescopic structure capable of adjusting the length.

5. The formwork casting lining formwork according to claim 4, characterized in that: The support pipe comprises single-end threaded pipes at two ends and an adjusting sleeve in the middle.

6. The formwork casting lining template according to claim 4, characterized in that: The outer circle of the central connecting plate is evenly distributed with a plurality of connecting grooves extending in the radial direction, and the connecting grooves are adapted to the connecting pipes.

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