CN111550620A - Connecting method for mould pressing magnesium plate air pipes - Google Patents
Connecting method for mould pressing magnesium plate air pipes Download PDFInfo
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- CN111550620A CN111550620A CN202010300676.8A CN202010300676A CN111550620A CN 111550620 A CN111550620 A CN 111550620A CN 202010300676 A CN202010300676 A CN 202010300676A CN 111550620 A CN111550620 A CN 111550620A
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- magnesium plate
- plate air
- shaped connecting
- air pipe
- connecting piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Duct Arrangements (AREA)
Abstract
A method for connecting a mould pressing magnesium plate air pipe is suitable for a mould pressing magnesium plate air pipe which is manufactured by a mechanization process by taking a modified magnesium oxychloride cement gel material and medium-alkali glass fiber gridding cloth as a surface reinforcing layer and taking a foam heat insulating material or a light material as an intermediate sandwich layer, and is characterized by comprising the following steps of: a. manufacturing a plurality of die pressing magnesium plate air pipe H-shaped connecting pieces, b, inserting the die pressing magnesium plate air pipe H-shaped connecting pieces, c, fixing the H-shaped connecting pieces and the lap joint parts of the die pressing magnesium plate air pipe wall plates by using screws, d, filling by using sealing pieces, and finishing the connection of the die pressing magnesium plate air pipes. The connecting method of the die pressing magnesium plate air pipes has the advantages of simple structure of the H-shaped connecting piece, convenience in manufacturing, safe and reliable connection quality of the die pressing magnesium plate air pipes, strong operability, saving more than 20% of plates per square meter of the air pipes, saving more than 80% of transportation cost, shortening more than 50% of manufacturing and installing period and reducing engineering cost.
Description
Technical Field
The invention relates to a method for connecting air pipes, in particular to a method for connecting mould pressing magnesium plate air pipes.
Background
Chinese patent CN208331507U discloses an air duct connecting device in 2019, 1 month and 4 days, which includes a first air duct and a second air duct both including a duct body and a heat insulating layer, both side surfaces of a clamping plate of a connecting member are provided with a first insertion strip and a second insertion strip, an upper side surface of the clamping plate is provided with a connecting plate, an end portion of the duct body is provided with a first embedded groove, an end portion of the heat insulating layer is provided with a second embedded groove, the first insertion strip and the second insertion strip can be respectively inserted into the first embedded groove and the second embedded groove to communicate the first air duct with the second air duct; the fixing mechanism comprises a left fixing piece on the outer wall of the first air pipe and a right fixing piece on the outer wall of the second air pipe, the left fixing piece comprises a left locking clamping plate and a left adjusting mechanism, the right fixing piece comprises a right locking clamping plate and a right adjusting mechanism, and the left adjusting mechanism and the right adjusting mechanism can respectively drive the left locking clamping plate and the right locking clamping plate to move along the axis direction of the pipe body so as to lock the connecting plate. Although the technical proposal can make the pipe bodies connected seamlessly and tightly, the air pipe connecting device has complicated structure, inconvenient processing and manufacturing, labor and time waste.
A Caofei Dian comprehensive bonded area innovation and creation center project, namely 5# and 6# apartment buildings and 1-4# office buildings basement mould pressing magnesium plate IMX7 smoke exhaust air duct construction, wherein the total number of the air ducts is more than 4000 square meters, and the construction is large. Referring to the drawing set of 09CK134 'manufacture and installation of machine-made glass-magnesium composite board air pipes' (patent number: ZL 03129046.9), in order to ensure the firmness of the installation and connection of the air pipes, the drawing set and the prior construction process adopt an adhesive for bonding after the plates are cut. However, the technical scheme has the following disadvantages:
the adhesive has unused initial setting temperature under the unused environment temperature, and the adhesive quality can not be ensured in special environment or winter construction.
Secondly, the construction process is complex and difficult, air pipes need to be bundled after the plates are assembled, and the plates need to be grooved and cut before bonding, so that the efficiency is low.
Thirdly, the dosage of the adhesive is difficult to control properly, which affects the beauty of the air pipe.
The known methods of air duct installation and connection therefore suffer from the various inconveniences and problems described above.
Disclosure of Invention
The invention aims to provide a method for connecting a die pressing magnesium plate air pipe with reliable connection.
In order to achieve the purpose, the technical solution of the invention is as follows:
a method for connecting a mould pressing magnesium plate air pipe is suitable for a mould pressing magnesium plate air pipe which is manufactured by a mechanization process by taking a modified magnesium oxychloride cement gel material and medium-alkali glass fiber gridding cloth as a surface reinforcing layer and taking a foam heat insulating material or a light material as an intermediate sandwich layer, and is characterized by comprising the following steps of:
a. h-shaped connecting piece for manufacturing a plurality of mould pressing magnesium plate air pipes
Manufacturing a plurality of H-shaped connecting pieces of the molded magnesium plate air pipes, wherein the sections of the molded magnesium plate air pipes are of rectangular structures, and four H-shaped connecting pieces matched with the upper bottom plate, the lower bottom plate and the two side plates are required to be manufactured as connectors; the H-shaped connecting piece of the die-pressed magnesium plate air pipe is made of aluminum alloy, the H-shaped connecting piece is an atypical H-shaped component, one side of the middle rod piece connected with the H-shaped connecting piece is longer than the other side, and correspondingly, the length of the two sides of the middle rod piece of the H-shaped connecting piece is different from the lap joint length of the two air pipes;
b. insertion of H-shaped connecting piece of die-pressed magnesium plate air pipe
After the die pressing magnesium plate air pipes are assembled, two adjacent sections of the die pressing magnesium plate air pipes are connected by adopting a tenon-mortise connection process, the upper bottom plate, the lower bottom plate and the two side plates around the two sections of the die pressing magnesium plate air pipes are aligned, prefabricated H-shaped connecting pieces are respectively inserted into the upper bottom plate, the lower bottom plate and the two side plates, and the long edges of the H-shaped connecting pieces are arranged on the outer walls of the die pressing magnesium plate air pipes;
c. wall plate for fixing H-shaped connecting piece and mould pressing magnesium plate air pipe by screw
Fixing the H-shaped connecting piece and the wallboard of the mould pressing magnesium plate air pipe from the outer wall of the mould pressing magnesium plate air pipe by a plurality of screws;
d. filling with a seal
And filling a gap between the H-shaped connecting piece and the die-pressing magnesium plate air pipe with a sealing piece to finish the connection of the die-pressing magnesium plate air pipe.
The connecting method of the mould pressing magnesium board air pipe can be further realized by adopting the following technical measures.
In the method, the thickness of the H-shaped connecting piece of the molded magnesium plate air pipe is more than or equal to 1.2 mm.
The method wherein the intermediate rods of the H-shaped connector body are connected at one side longer than the other side.
The method, wherein the height of the H-shaped connector is determined by the thickness of the wind pipe plate.
The method of the foregoing wherein the screw is a self-tapping screw.
After the technical scheme is adopted, the method for connecting the die pressing magnesium plate air pipes has the following advantages:
1. the H-shaped connecting piece has simple structure and convenient manufacture;
2. the connection quality of the molded magnesium plate air pipe is safe and reliable, and the operability is strong;
3. the plate is saved by more than 20% per square meter of the air pipe, the transportation cost is saved by more than 80%, the manufacturing and installation period is shortened by more than 50%, and the engineering cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a connection process of a molded magnesium plate air duct according to an embodiment of the present invention, in which four H-shaped connectors 3 are required for connecting two air ducts;
FIG. 2 is a schematic structural diagram of an H-shaped connector according to an embodiment of the present invention;
fig. 3 is a schematic view of the use state of the H-shaped connector according to the embodiment of the invention.
In the figure: 1 st tuber pipe, 2 nd tuber pipe, 3H shape connecting piece, the long limit of 31H shape connecting piece, the minor face of 32H shape connecting piece, the intermediate lever of 33H shape connecting piece, 4 self-tapping screws, 5 tuber pipe upper plates, 6 tuber pipe lower plates.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The connecting method of the mould pressing magnesium board air duct is suitable for the mould pressing magnesium board air duct which is made by adopting a mechanization process and taking a modified magnesium oxychloride cement gel material and medium-alkali glass fiber gridding cloth as a surface reinforcing layer and a foam heat insulating material or other light materials as an intermediate sandwich layer, and comprises the following steps:
a. and manufacturing a plurality of H-shaped connecting pieces of the mould pressing magnesium plate air pipes.
Referring now to fig. 2, fig. 2 is a schematic structural diagram of an H-shaped connector according to an embodiment of the invention. As shown in the figure, the molded magnesium plate air duct H-shaped connecting piece 3 has a rectangular cross section, and four connectors are required to be manufactured to match with an upper air duct bottom plate 5, a lower air duct bottom plate 6 and H-shaped connecting pieces of two side plates; the H-shaped connecting piece of the die-pressed magnesium plate air pipe is made of aluminum alloy and is an atypical H-shaped component, wherein one side of the two sides of the middle rod 33 of the H-shaped connecting piece is longer than the other side, and correspondingly, the length of the two sides of the middle rod 33 of the H-shaped connecting piece is different from the lap joint length of the two air pipes; the thickness of the H-shaped connecting piece of the die pressing magnesium plate air pipe is 1.2 mm.
b. And (5) inserting an H-shaped connecting piece of the air pipe of the molded magnesium plate.
Fig. 1 is a schematic diagram of a connection process of a molded magnesium plate air duct according to an embodiment of the present invention, wherein four H-shaped connectors 3 are required for connecting two air ducts. After the die pressing magnesium plate air pipes are assembled, two adjacent sections of the die pressing magnesium plate air pipes are connected by adopting a tenon-mortise connection process, the upper bottom plate, the lower bottom plate and the two side plates around the two sections of the die pressing magnesium plate air pipes are aligned, prefabricated H-shaped connecting pieces are respectively inserted into the upper bottom plate, the lower bottom plate and the two side plates, and the long edges of the H-shaped connecting pieces are arranged on the outer walls of the die pressing magnesium plate air pipes; the intermediate rod 33 of the H-shaped connector is placed at the connecting interface of the 1 st ductwork 1 and the 2 nd ductwork 2. One side of the H-shaped connecting piece body connected with the middle rod piece is longer than the other side, wherein the long side 31 of the H-shaped connecting piece is 50mm, and the short side 32 of the H-shaped connecting piece is 40 mm.
c. And fixing the lap joint part of the H-shaped connecting piece and the die pressing magnesium plate air pipe wall plate by using screws.
Fig. 3 is a schematic view of the use state of the H-shaped connector according to the embodiment of the invention. Fixing the lap joint part of the H-shaped connecting piece and the die pressing magnesium plate air pipe from the outer wall of the die pressing magnesium plate air pipe by using a plurality of screws; the height of the H-shaped connecting piece is determined according to the thickness of the wind pipe plate. The screw is a self-tapping screw 4.
d. Filling with a seal.
And filling a gap between the H-shaped connecting piece and the die-pressing magnesium plate air pipe with a sealing piece to finish the connection of the die-pressing magnesium plate air pipe.
The method for connecting the air pipes of the molded magnesium plate optimizes the connection form of all air pipes in the original drawing set, popularizes the operation of air pipe installation, and simplifies the various process steps in the drawing set of the manufacture and installation of the air pipes of the machine-made glass magnesium composite plate. The simple working principle is adopted in the actual application on site, and the effect achieved after the construction is completed is more satisfactory. The plate is saved by more than 20% for each level of the air pipe, the transportation cost is saved by more than 80%, and the manufacturing and installation period is shortened by more than 50%.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (5)
1. A method for connecting a mould pressing magnesium plate air pipe is suitable for a mould pressing magnesium plate air pipe which is manufactured by a mechanization process by taking a modified magnesium oxychloride cement gel material and medium-alkali glass fiber gridding cloth as a surface reinforcing layer and taking a foam heat insulating material or a light material as an intermediate sandwich layer, and is characterized by comprising the following steps of:
a. h-shaped connecting piece for manufacturing a plurality of mould pressing magnesium plate air pipes
Manufacturing a plurality of H-shaped connecting pieces of the molded magnesium plate air pipes, wherein the sections of the molded magnesium plate air pipes are of rectangular structures, and four H-shaped connecting pieces matched with the upper bottom plate, the lower bottom plate and the two side plates are required to be manufactured as connectors; the H-shaped connecting piece of the die-pressed magnesium plate air pipe is made of aluminum alloy, the H-shaped connecting piece is an atypical H-shaped component, one side of the middle rod piece connected with the H-shaped connecting piece is longer than the other side, and correspondingly, the length of the two sides of the middle rod piece of the H-shaped connecting piece is different from the lap joint length of the two air pipes;
b. insertion of H-shaped connecting piece of die-pressed magnesium plate air pipe
After the die pressing magnesium plate air pipes are assembled, two adjacent sections of the die pressing magnesium plate air pipes are connected by adopting a tenon-mortise connection process, the upper bottom plate, the lower bottom plate and the two side plates around the two sections of the die pressing magnesium plate air pipes are aligned, prefabricated H-shaped connecting pieces are respectively inserted into the upper bottom plate, the lower bottom plate and the two side plates, and the long edges of the H-shaped connecting pieces are arranged on the outer walls of the die pressing magnesium plate air pipes;
c. fixing the overlap joint part of the H-shaped connecting piece and the wall plate of the mould pressing magnesium plate air duct by screws
Fixing the lap joint part of the H-shaped connecting piece and the die pressing magnesium plate air pipe from the outer wall of the die pressing magnesium plate air pipe by using a plurality of screws;
d. filling with a seal
And filling a gap between the H-shaped connecting piece and the die-pressing magnesium plate air pipe with a sealing piece to finish the connection of the die-pressing magnesium plate air pipe.
2. The method for connecting the molded magnesium board air ducts of claim 1, wherein the thickness of the H-shaped connecting piece of the molded magnesium board air duct is more than or equal to 1.2 mm.
3. The method for connecting an extruded magnesium plate air duct of claim 1, wherein the middle rod piece of the H-shaped connecting piece body is longer at one side than at the other side.
4. The method of claim 1, wherein the height of the H-shaped connector is determined by the thickness of the duct board.
5. The method of claim 1, wherein the screws are self-tapping screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010300676.8A CN111550620A (en) | 2020-04-16 | 2020-04-16 | Connecting method for mould pressing magnesium plate air pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010300676.8A CN111550620A (en) | 2020-04-16 | 2020-04-16 | Connecting method for mould pressing magnesium plate air pipes |
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| Publication Number | Publication Date |
|---|---|
| CN111550620A true CN111550620A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010300676.8A Pending CN111550620A (en) | 2020-04-16 | 2020-04-16 | Connecting method for mould pressing magnesium plate air pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833914A (en) * | 2021-09-23 | 2021-12-24 | 中电建路桥集团有限公司 | Reinforced concrete tongue-and-groove pipe joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833914A (en) * | 2021-09-23 | 2021-12-24 | 中电建路桥集团有限公司 | Reinforced concrete tongue-and-groove pipe joint |
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Application publication date: 20200818 |
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