CN222936755U - A pneumatic demoulding construction device - Google Patents
A pneumatic demoulding construction device Download PDFInfo
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- CN222936755U CN222936755U CN202421715842.0U CN202421715842U CN222936755U CN 222936755 U CN222936755 U CN 222936755U CN 202421715842 U CN202421715842 U CN 202421715842U CN 222936755 U CN222936755 U CN 222936755U
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Abstract
本实用新型公开了一种气动脱模施工装置，涉及脱模施工装置技术领域，装置包括底模、顶模、左边模和右边模；顶模设于底模上方，左边模、右边模都设于顶模和底模之间；底模、左边模、右边模上都开设有若干个高压进气孔，每两个高压进气孔之间设有高压气管，高压气管通过三通阀连接有输气管。本实用新型通过高压气管与空气压缩机进行连接，在脱模时，利用高压气体平衡模板内外压力差以减小脱模拉力，保证大块模板顺利脱模。并且为了防止浇筑混凝堵塞高压进气孔，浇筑混凝土前孔口用橡胶塞进行封孔。
The utility model discloses a pneumatic demoulding construction device, which relates to the technical field of demoulding construction devices. The device includes a bottom mold, a top mold, a left mold and a right mold; the top mold is arranged above the bottom mold, and the left mold and the right mold are arranged between the top mold and the bottom mold; a plurality of high-pressure air inlet holes are opened on the bottom mold, the left mold and the right mold, and a high-pressure air pipe is arranged between every two high-pressure air inlet holes, and the high-pressure air pipe is connected to an air supply pipe through a three-way valve. The utility model is connected to an air compressor through a high-pressure air pipe. When demoulding, high-pressure gas is used to balance the pressure difference between the inside and outside of the template to reduce the demoulding pulling force, so as to ensure smooth demoulding of large templates. In addition, in order to prevent the high-pressure air inlet hole from being blocked by pouring concrete, the hole is sealed with a rubber plug before pouring concrete.
Description
Technical Field
The utility model relates to the technical field of demolding construction devices, in particular to a pneumatic demolding construction device.
Background
The circular tunnel second lining generally uses needle beam trolley templates to carry out concrete pouring, the full circular needle beam trolley templates are divided into a top die, a left die, a right die and a bottom die according to longitudinal sections, and due to the fact that the templates are large in blocks, demoulding is difficult due to internal and external air pressure difference during mould collection, large pulling force is often required for demoulding, concrete surface damage is caused, even the templates deform, and construction quality is affected. Therefore, a template air pressure auxiliary demoulding mode is designed to solve the problem of difficult demoulding.
Disclosure of utility model
In order to solve the problem of difficult demoulding in the prior art, the utility model provides a pneumatic demoulding construction device.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
A pneumatic demolding construction device comprises a bottom die, a top die, a left die and a right die, wherein the top die is arranged above the bottom die, the left die and the right die are arranged between the top die and the bottom die, a plurality of high-pressure air inlet holes are formed in the bottom die, the left die and the right die, a high-pressure air pipe is arranged between every two high-pressure air inlet holes, the high-pressure air pipe is connected with an air pipe through a three-way valve, the bottom die, the top die, the left die and the right die are formed by splicing a plurality of templates, and the number of templates spliced by the bottom die, the top die, the left die and the right die is the same.
Based on the technical scheme, further, at least two high-pressure air inlet holes are formed in each template, and the high-pressure air inlet holes in the same template are communicated through a high-pressure air pipe.
Based on the technical scheme, further, the air inlet port of the high-pressure air pipe is connected with an external air compressor.
Based on the technical scheme, further, each of the bottom die, the top die, the left die and the right die is provided with a concrete warehouse entry port.
Based on the technical scheme, further, the bottom die, the top die, the left side die and the right side die are all provided with concrete vibrators.
Based on the technical scheme, further, the top die is provided with the grouting holes, and the diameter range of the grouting holes is 125-150 mm.
Based on the technical scheme, the bottom die, the top die, the left side die and the right side die are in a cuboid structure after being assembled.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model is connected with the air compressor through the high-pressure air pipe, and when demoulding, the pressure difference between the inside and the outside of the template is balanced by utilizing high-pressure air to reduce the demoulding tension, so that the smooth demoulding of a large template is ensured. And in order to prevent the pouring concrete from blocking the air inlet holes, the hole opening is sealed by a rubber plug before the pouring concrete.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
The concrete vibrator comprises the following components of a bottom die, a top die, a left die, a right die, a template, a high-pressure air inlet hole, a high-pressure air pipe, a concrete storage port, a grouting hole, a concrete vibrator and a concrete vibrator, wherein the reference numerals comprise the components of the bottom die, the top die, the left die, the right die, the template, the high-pressure air inlet hole, the high-pressure air pipe, the concrete storage port, the grouting hole and the concrete vibrator.
Detailed Description
The utility model is further illustrated and described below with reference to the drawings and detailed description. The technical features of the embodiments of the utility model can be combined correspondingly on the premise of no mutual conflict.
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. The technical features of the embodiments of the utility model can be combined correspondingly on the premise of no mutual conflict.
In the description of the present utility model, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected with intervening elements present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Example 1
In combination with fig. 1 and 2, the embodiment provides a pneumatic demolding construction device, which comprises a bottom die 1, a top die 2, a left die 3 and a right die 4, wherein the bottom die 1, the top die 2, the left die 3 and the right die 4 are made of steel materials, the sizes of the bottom die 1, the top die 2 and the left die 3 are determined by dividing according to the diameter of a tunnel, the common length is 12m, the rings are divided into 8 rings along the length direction, each ring is a template, the length of each ring is 1.5m, each ring is divided into the top die, the left die, the right die and the bottom die according to the diameter of the tunnel, the bottom die 1, the top die 2, the left die 3 and the right die 4 can be connected by adopting welding or other modes, the connection modes are preferably detachable, the specific connection modes are the conventional means, excessive description is not made here, the top die 2 is arranged above the bottom die 1, the left die 3 and the right die 4 are arranged between the top die 2 and the bottom die 1, each ring is provided with a plurality of high-pressure air inlet pipes 6, each high-pressure air inlet pipe 6 is arranged on the bottom die 1, each high-pressure air inlet pipe 6 is connected with an air inlet pipe 7, and the other end of the high-pressure air pipe 8 is connected with an air delivery device through a compression device, and the compression device is connected with the other end of the high-pressure air inlet pipe 8.
In some preferred embodiments, the bottom die 1, the top die 2, the left die 3 and the right die 4 are formed by splicing a plurality of templates 5, and the number of templates 5 spliced by the bottom die 1, the top die 2, the left die 3 and the right die 4 is the same, while the number of specific templates 5 can be set according to practical situations, and no specific requirement is required here, in this embodiment, the bottom die 1, the top die 2, the left die 3 and the right die 4 are all formed by eight templates, that is, 8 rings. Wherein, at least two high-pressure air inlet holes 6 are arranged on each template 5, and the high-pressure air inlet holes 6 on the same template 5 are communicated through a high-pressure air pipe 7. The air inlet port of the high-pressure air pipe 7 is connected with an external air compressor, wherein the high-pressure in the embodiment is not lower than 3MPa.
In some preferred embodiments, each of the bottom mold 1, the top mold 2, the left side mold 3 and the right side mold 4 is provided with a concrete inlet 9, through which an externally arranged concrete pump pipe is pressed into the concrete.
In some preferred embodiments, concrete vibrator 11 is provided on each of the bottom die 1, the top die 2, the left side die 3 and the right side die 4. The concrete vibrator 11 is an existing device, and when a concrete pouring member is well mixed by a concrete mixer, because bubbles in the concrete pouring member are required to be removed, the concrete is tightly combined by tamping, the phenomena of honeycomb pitting surface and the like of the concrete are eliminated, the strength of the concrete is improved, the quality of the concrete member is ensured, and the concrete vibrator 11 is a machine for mechanically tamping the concrete.
In some preferred embodiments, the top mold 2 is provided with a grouting hole 10, and the diameter of the grouting hole 10 ranges from 125mm to 150mm.
In some preferred embodiments, the bottom die 1, the top die 2, the left side die 3 and the right side die 4 are assembled to form a rectangular parallelepiped, and the rectangular parallelepiped is unfolded.
The whole construction working principle of the device is as follows:
When demoulding, starting from the last ring, removing one ring, and removing the adjacent rings until the last ring is completely removed. The demolding sequence of each ring comprises the steps that a top die is a rear sealing block, a top die supporting screw is used for releasing the top die during demolding, then a left die and a right die are connected with a high-pressure air pipe 7, air compression is carried out through the high-pressure air pipe 7, the left die or the right die supporting screw is used for demolding while air compression is carried out, finally a bottom die 1 is connected with the high-pressure air pipe 7, air compression is carried out through the high-pressure air pipe 7, and the bottom die 1 supporting screw is used for demolding while air compression is carried out.
The foregoing is a description of embodiments of the utility model, which are specific and detailed, but are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (7)
1. The pneumatic demoulding construction device is characterized by comprising a bottom die, a top die, a left die and a right die, wherein the top die is arranged above the bottom die, and the left die and the right die are arranged between the top die and the bottom die;
The bottom die, the left die and the right die are provided with a plurality of high-pressure air inlet holes,
A high-pressure air pipe is arranged between every two high-pressure air inlet holes, and the high-pressure air pipe is connected with an air pipe through a three-way valve;
The bottom die, the top die, the left die and the right die are formed by splicing a plurality of templates, and the quantity of the templates spliced by the bottom die, the top die, the left die and the right die is the same.
2. The pneumatic demolding construction device of claim 1, wherein each mold plate is provided with at least two high-pressure air inlet holes, and the high-pressure air inlet holes on the same mold plate are communicated through a high-pressure air pipe.
3. The pneumatic demolding construction device of claim 2, wherein the air inlet port of the high-pressure air pipe is connected with an external air compressor.
4. The pneumatic demolding construction device of claim 1, wherein each of the bottom mold, the top mold, the left side mold and the right side mold is provided with a concrete warehouse entry port.
5. The pneumatic demolding construction device of claim 1, wherein concrete vibrators are arranged on the bottom mold, the top mold, the left side mold and the right side mold.
6. The pneumatic demolding construction device of claim 1, wherein the top mold is provided with a grouting hole, and the diameter of the grouting hole ranges from 125mm to 150mm.
7. The pneumatic demolding construction device of claim 1, wherein the bottom mold, the top mold, the left side mold and the right side mold are of a cuboid structure after being assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421715842.0U CN222936755U (en) | 2024-07-18 | 2024-07-18 | A pneumatic demoulding construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421715842.0U CN222936755U (en) | 2024-07-18 | 2024-07-18 | A pneumatic demoulding construction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222936755U true CN222936755U (en) | 2025-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421715842.0U Active CN222936755U (en) | 2024-07-18 | 2024-07-18 | A pneumatic demoulding construction device |
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| Country | Link |
|---|---|
| CN (1) | CN222936755U (en) |
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2024
- 2024-07-18 CN CN202421715842.0U patent/CN222936755U/en active Active
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