CN113404171A - Novel drying room thermal expansion compensation structure - Google Patents
Novel drying room thermal expansion compensation structure Download PDFInfo
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- CN113404171A CN113404171A CN202110572944.6A CN202110572944A CN113404171A CN 113404171 A CN113404171 A CN 113404171A CN 202110572944 A CN202110572944 A CN 202110572944A CN 113404171 A CN113404171 A CN 113404171A
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- drying room
- flexible material
- resistant flexible
- cover plate
- compensation structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
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- Architecture (AREA)
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a novel drying room thermal expansion compensation structure which comprises drying room side walls, wherein the drying room side walls are connected through a high-temperature-resistant flexible material to form a compensation structure, an inner cover plate and an outer cover plate are respectively arranged on two sides of the high-temperature-resistant flexible material, the high-temperature-resistant flexible material is arranged to compensate the stretching of a drying room, and the inner cover plate and the outer cover plate are respectively arranged on two sides of the high-temperature-resistant flexible material to protect the high-temperature-resistant flexible material, so that the sealing performance of the drying room is ensured.
Description
Technical Field
The invention relates to the technical field of drying systems, in particular to a novel drying room thermal expansion compensation structure.
Background
The drying room is used for heating workpieces in the drying room, and the workpieces are generally heated by means of convection heat exchange between hot air in the drying room and the workpieces. Meanwhile, the hot air can also heat the oven body of the drying oven, the temperature rise of the inner wall plate is the highest (generally between 50 ℃ and 200 ℃), and the temperature rise of the outer wall plate is less (generally not more than 15 ℃) by arranging the heat insulation layer. The length of the chamber body can be changed due to the expansion and contraction of the wall plate on the drying room, and when the chamber body is longer, the accumulated telescopic size of the chamber body is also larger. In order to prevent the drying room body from deforming or even locally tearing due to the change of length when the drying room body expands with heat and contracts with cold, the drying room body is generally manufactured in sections, and then an expansion joint is arranged every 30 meters or so. The expansion joint compensates for changes in the length of the chamber body. Because the drying room is not only in a high-temperature environment, but also contains organic solvent or lubricating oil volatilized by heating workpieces and a mechanized conveying chain, the expansion joint not only needs to be capable of freely stretching and contracting, but also needs to be capable of being used at a high temperature for a long time and preventing hot air containing the organic solvent or the lubricating oil from leaking. The current engineering practice generally uses rectangular or circular arc expansion joints as shown in figure 1. The rectangular joint has the advantages of simple manufacture and low cost, and has the defects of concentrated welding lines at angular points, poor expansion compensation effect and easy breakage and leakage. The circular arc expansion joint has the advantages of good expansion compensation effect and high reliability, and has the defects of special equipment manufacturing, special customization and outsourcing, and high manufacturing cost.
Therefore, a new drying room thermal expansion compensation structure is provided.
Disclosure of Invention
The present invention is directed to a new thermal expansion compensation structure for drying room, so as to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a new baking house thermal expansion compensation structure, includes the baking house lateral wall, connect and form the compensation structure through high temperature resistant flexible material between the baking house lateral wall, the both sides of high temperature resistant flexible material are equipped with interior apron and outer apron respectively.
Preferably, the high-temperature-resistant flexible material is connected with the side wall of the drying room through a bending piece, the bending piece is welded on the two sides of the side wall of the drying room to form an inner recess, and two ends of the high-temperature-resistant flexible material are connected with the bending piece through hexagon socket screws respectively.
Preferably, a C-shaped bending plate is arranged between the inner hexagonal screw piece and the high-temperature-resistant flexible material, and the C-shaped bending plate is respectively located in the concave part formed by the two bending pieces.
Preferably, the inner cover plate is arranged on the outer surface of one side of the bent piece, which is correspondingly formed in the same concave direction, one end of the inner cover plate is intermittently welded with the bent piece on one side, and the inner cover plate and the bent piece on the other side are arranged in a sliding mode.
Preferably, a fastening screw for adjusting pre-pressure is arranged between the inner cover plate and the bending piece on the intermittent welding side.
Preferably, the outer cover plate is fixedly connected with the bending piece through a fixing bolt.
Compared with the prior art, the invention has the beneficial effects that: the utility model provides a new baking house thermal expansion compensation structure, compensates the flexible of baking house through setting up high temperature resistant flexible material, and protects high temperature resistant flexible material through setting up interior apron and outer apron respectively in high temperature resistant flexible material's both sides, guarantees the seal of baking house.
1. All parts in this scheme all can use conventional equipment to make, make convenient cost low. 2. The expansion compensation structure of the scheme has no corner points with concentrated welding lines, is flexible and free, and has very good expansion compensation effect and high use reliability. 3. The adjustable apron of expansion compensation structure of this scheme compresses tightly the dynamics, and the protection effect of the soft connection layer is better to the centre to inside outer side apron. 4. The inner cover plate is convenient to disassemble and assemble, the flexible connection state is convenient to check, the flexible connection is convenient to disassemble and replace, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic view of a conventional drying room joint structure;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic structural view of the drying room in a cooling state;
FIG. 4 is a schematic front view of the drying room according to the present invention in a heating state.
In the figure: 1-inner cover plate, 2-outer cover plate, 3-high temperature resistant flexible material, 4-bending piece, 5-fastening screw, 6-inner hexagonal screw piece, 7-C type bending plate and 8-fixing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: a new drying room thermal expansion compensation structure comprises drying room side walls, wherein the drying room side walls are of plate-shaped structures, a gap is formed between the two drying room side walls, the device is positioned at the gap, when the drying room works, the length of the drying room side walls is influenced and changed, so that the gap is enlarged or reduced, the device can ensure that the gap of the drying room side walls keeps a sealing state, the drying room side walls are connected with each other through high-temperature-resistant flexible materials 3 to form a compensation structure, the high-temperature-resistant flexible materials 3 are of the plate-shaped structures and are flexible materials, after the length of the drying room side walls is changed, the high-temperature-resistant flexible materials 3 deform along with the movement of the drying room side walls, the two ends of the high-temperature-resistant materials 3 are respectively fixed with the drying room side walls which are connected, the two sides of the high-temperature-resistant flexible materials 3 are respectively provided with an inner cover plate 1 and an outer cover plate 2, the inner cover plate 1 is positioned inside the device, the outer cover plate 2 is positioned outside the device, the inner cover plate 1 and the outer cover plate 2 protect the high-temperature-resistant flexible material 3 to prevent the high-temperature-resistant flexible material 3 from being damaged due to long-term exposure, meanwhile, one end of the inner cover plate 1 and one end of the outer cover plate 2 are respectively fixed ends, and the other end of the inner cover plate 1 and the other end of the outer cover plate 2 are respectively movable ends, so that the inner cover plate 1 and the outer cover plate 2 limit the freedom degree between the side walls of the two drying rooms, the side walls of the drying rooms can only move towards the close direction or the far direction, meanwhile, the rigidity between the whole side walls of the drying rooms is kept, the high-temperature-resistant material 3 cannot form larger stress to damage the high-temperature-resistant material 3 under the action of external force, as shown in figure 3, after the drying rooms are heated, the temperature rises, the length of the side walls of the drying rooms is layered, the distance of gaps is reduced, and the high-temperature-resistant flexible material 3 is extruded to generate wrinkles, accomplish the compensation to baking house lateral wall joint department, as shown in fig. 4, after the baking house use is accomplished, the baking house lateral wall resumes to the room temperature gradually, thereby the baking house lateral wall produces the shrink, high temperature resistant flexible material 3 can produce under the stress and stretch, accomplish the compensation to the baking house lateral wall, as shown in fig. 2, under the normality, when the baking house did not work promptly, high temperature resistant flexible material 3 is the extrusion form and installs the department between two baking house lateral walls, thereby when the room temperature reduces, the baking house lateral wall produces the shrink, high temperature resistant flexible material 3 still has the compensation ability, and can not be stretched and lead to damaging.
Specifically, as shown in fig. 2, the high temperature resistant flexible material 3 is connected to the side walls of the drying room through bending pieces 4, the bending pieces 4 are respectively in a shape of "J", one end of each bending piece 4 is fixedly connected to the side walls of the drying room, wherein the side wall of the bending piece 4 with a shorter length is fixed to the corresponding side wall of the drying room, so that the bending pieces 4 form a gap, the bending pieces 4 are symmetrically arranged, the bending pieces 4 are welded to the side walls of the drying room at two sides to form an indent, two ends of the high temperature resistant flexible material 3 are respectively connected to the bending pieces 4 through hexagon socket head screws 6, and are kept fixed to the bending pieces 4 in a screwing manner, so that the high temperature resistant flexible material 3 can be conveniently disassembled, and after long-time use, the high temperature resistant flexible material 3 is fatigued to cause strength reduction, and the original high temperature resistant flexible material 3 can be disassembled, and installing the new high-temperature-resistant flexible material 3, so that the high-temperature-resistant flexible material 3 can be replaced.
Particularly, hexagon socket head cap screw spare 6 with be provided with the C type between the high temperature resistant flexible material 3 and buckle plate 7, the C type is buckled plate 7 and is located two respectively buckle 4 the interior concave part that forms, the C type is buckled plate 7 opening part and is towards the one side of keeping away from high temperature resistant flexible material 3 respectively, because hexagon socket head cap screw spare 6 is indentation high temperature resistant flexible material 3, the C type is buckled plate 7 and is increased and high temperature resistant flexible material 3's area of contact to reduce pressure, prevent to damage high temperature resistant flexible material 3, be the bending plate 7 of C type simultaneously, make to have reduced the edges and corners and directly produce the contact with high temperature resistant flexible material 3, further prevent to damage high temperature resistant flexible material 3, and when dismantling, also conveniently dismantle C type bending plate 7.
Particularly, interior apron 1 sets up buckle 4 and correspond one side surface that forms the indent direction syntropy, the one end and one side of interior apron 1 buckle 4 and weld absolutely, interior apron 1 and opposite side it sets up to buckle to slide between the piece 4, interior apron 1 is the arch, guarantees the both ends of interior apron 1 respectively with buckle 4 surface in close contact with, guarantee device wholeness, protect high temperature resistant flexible material 3.
Specifically, a fastening screw 5 for adjusting pre-pressure is arranged between the inner cover plate 1 and the bent piece 4 on the intermittent welding side, the fastening screw 5 penetrates through the side wall of the inner cover plate 1 and is in threaded connection with the bent piece 4, the fastening screw 5 is arranged on the same side as the intermittent welding side of the inner cover plate 1, sliding of the inner cover plate 1 relative to the bent piece 4 cannot be hindered, and the fastening screw 5 can adjust the pre-pressure of the inner cover plate 1 on the bent piece 4.
Particularly, outer apron 2 pass through fixing bolt 8 with buckle fixed connection between the piece 4, as shown in fig. 2, outer apron 2 respectively with buckle and connect between the shorter one end lateral wall of piece 4, the both ends of outer apron 2 contact with the baking house lateral wall respectively, outer apron 2 is the arch equally, guarantees the surface pressure of its both ends and baking house lateral wall, fixing bolt 8's quantity is one, fixing bolt 8 is located fastening bolt 5's opposite side ensures that the device atress is even, and fixing bolt 8 pass outer apron 2's lateral wall equally with buckle 4 spiro union to adjust outer apron 2 through rotatory fixing bolt 8 for the pre-pressure of baking house lateral wall.
Specifically, the high-temperature-resistant flexible material 3 is a high-temperature-resistant material composed of a double-layer silicon titanium adhesive, a stainless steel wire, a glass fiber blended fabric and a high-performance synthetic material.
The working principle is as follows: during installation, the 2 bending pieces 4 are respectively and continuously welded with the inner side wall plate of the drying room body. One end of the inner cover plate 1 is welded with the bending piece 4 intermittently. Be provided with fixing bolt 8 and bolt hole on the piece 4 of buckling, be provided with fastening screw 5 on the inner cover plate 1, exert appropriate pretightning force through fastening screw 5 and compress tightly inner cover plate 1 and the C type plate 7 of buckling, guarantee that the opposite side expansion end of inner cover plate 1 closely laminates between 4 with buckling. The two ends of the high temperature resistant flexible material 3 are respectively fixed on the bending pieces 4 through the hexagon socket screw pieces 6 and the C-shaped bending plate pieces 7. The outer cover plate 2 is well installed and fixed through the fixing bolt 8, and proper pre-pressure is applied, so that two ends of the inner side cover plate are tightly attached to the inner wall plate of the drying room body.
When checking, the fixing bolt 8 is detached, the outer cover plate 2 is taken away, whether the high-temperature-resistant flexible material 3 is damaged or not, whether the two ends of the soft connection are in a compression state or not is checked, and whether the inner hexagonal screw piece 6 is loosened or not is checked.
If the high-temperature-resistant flexible material 3 is damaged, the inner hexagonal screw member 6 is detached, and the 2C-shaped bending plate members 7 are taken down to replace the flexible connection.
Example 2
Referring to fig. 1-4, the present invention provides a technical solution: a new drying room thermal expansion compensation structure comprises drying room side walls, wherein the drying room side walls are of plate-shaped structures, a gap is formed between the two drying room side walls, the device is positioned at the gap, when the drying room works, the length of the drying room side walls is influenced and changed, so that the gap is enlarged or reduced, the device can ensure that the gap of the drying room side walls keeps a sealing state, the drying room side walls are connected with each other through high-temperature-resistant flexible materials 3 to form a compensation structure, the high-temperature-resistant flexible materials 3 are of the plate-shaped structures and are flexible materials, after the length of the drying room side walls is changed, the high-temperature-resistant flexible materials 3 deform along with the movement of the drying room side walls, the two ends of the high-temperature-resistant materials 3 are respectively fixed with the drying room side walls which are connected, the two sides of the high-temperature-resistant flexible materials 3 are respectively provided with an inner cover plate 1 and an outer cover plate 2, the inner cover plate 1 is positioned inside the device, the outer cover plate 2 is positioned outside the device, the inner cover plate 1 and the outer cover plate 2 protect the high-temperature-resistant flexible material 3 to prevent the high-temperature-resistant flexible material 3 from being damaged due to long-term exposure, meanwhile, one end of the inner cover plate 1 and one end of the outer cover plate 2 are respectively fixed ends, and the other end of the inner cover plate 1 and the other end of the outer cover plate 2 are respectively movable ends, so that the inner cover plate 1 and the outer cover plate 2 limit the freedom degree between the side walls of the two drying rooms, the side walls of the drying rooms can only move towards the close direction or the far direction, meanwhile, the rigidity between the whole side walls of the drying rooms is kept, the high-temperature-resistant material 3 cannot form larger stress to damage the high-temperature-resistant material 3 under the action of external force, as shown in figure 3, after the drying rooms are heated, the temperature rises, the length of the side walls of the drying rooms is layered, the distance of gaps is reduced, and the high-temperature-resistant flexible material 3 is extruded to generate wrinkles, accomplish the compensation to baking house lateral wall joint department, as shown in fig. 4, after the baking house use is accomplished, the baking house lateral wall resumes to the room temperature gradually, thereby the baking house lateral wall produces the shrink, high temperature resistant flexible material 3 can produce under the stress and stretch, accomplish the compensation to the baking house lateral wall, as shown in fig. 2, under the normality, when the baking house did not work promptly, high temperature resistant flexible material 3 is the extrusion form and installs the department between two baking house lateral walls, thereby when the room temperature reduces, the baking house lateral wall produces the shrink, high temperature resistant flexible material 3 still has the compensation ability, and can not be stretched and lead to damaging.
Specifically, as shown in fig. 2, the high temperature resistant flexible material 3 is connected to the side walls of the drying room through bending pieces 4, the bending pieces 4 are respectively in a shape of "J", one end of each bending piece 4 is fixedly connected to the side walls of the drying room, wherein the side wall of the bending piece 4 with a shorter length is fixed to the corresponding side wall of the drying room, so that the bending pieces 4 form a gap, the bending pieces 4 are symmetrically arranged, the bending pieces 4 are welded to the side walls of the drying room at two sides to form an indent, two ends of the high temperature resistant flexible material 3 are respectively connected to the bending pieces 4 through hexagon socket head screws 6, and are kept fixed to the bending pieces 4 in a screwing manner, so that the high temperature resistant flexible material 3 can be conveniently disassembled, and after long-time use, the high temperature resistant flexible material 3 is fatigued to cause strength reduction, and the original high temperature resistant flexible material 3 can be disassembled, and installing the new high-temperature-resistant flexible material 3, so that the high-temperature-resistant flexible material 3 can be replaced.
Particularly, hexagon socket head cap screw spare 6 with be provided with the C type between the high temperature resistant flexible material 3 and buckle plate 7, the C type is buckled plate 7 and is located two respectively buckle 4 the interior concave part that forms, the C type is buckled plate 7 opening part and is towards the one side of keeping away from high temperature resistant flexible material 3 respectively, because hexagon socket head cap screw spare 6 is indentation high temperature resistant flexible material 3, the C type is buckled plate 7 and is increased and high temperature resistant flexible material 3's area of contact to reduce pressure, prevent to damage high temperature resistant flexible material 3, be the bending plate 7 of C type simultaneously, make to have reduced the edges and corners and directly produce the contact with high temperature resistant flexible material 3, further prevent to damage high temperature resistant flexible material 3, and when dismantling, also conveniently dismantle C type bending plate 7.
Particularly, interior apron 1 sets up buckle 4 and correspond one side surface that forms the indent direction syntropy, the one end and one side of interior apron 1 buckle 4 and weld absolutely, interior apron 1 and opposite side it sets up to buckle to slide between the piece 4, interior apron 1 is the arch, guarantees the both ends of interior apron 1 respectively with buckle 4 surface in close contact with, guarantee device wholeness, protect high temperature resistant flexible material 3.
Specifically, a fastening screw 5 for adjusting pre-pressure is arranged between the inner cover plate 1 and the bent piece 4 on the intermittent welding side, the fastening screw 5 penetrates through the side wall of the inner cover plate 1 and is in threaded connection with the bent piece 4, the fastening screw 5 is arranged on the same side as the intermittent welding side of the inner cover plate 1, sliding of the inner cover plate 1 relative to the bent piece 4 cannot be hindered, and the fastening screw 5 can adjust the pre-pressure of the inner cover plate 1 on the bent piece 4.
Particularly, outer apron 2 pass through fixing bolt 8 with buckle fixed connection between the piece 4, as shown in fig. 2, outer apron 2 respectively with buckle and connect between the shorter one end lateral wall of piece 4, the both ends of outer apron 2 contact with the baking house lateral wall respectively, outer apron 2 is the arch equally, guarantees the surface pressure of its both ends and baking house lateral wall, fixing bolt 8's quantity is one, fixing bolt 8 is located fastening bolt 5's opposite side ensures that the device atress is even, and fixing bolt 8 pass outer apron 2's lateral wall equally with buckle 4 spiro union to adjust outer apron 2 through rotatory fixing bolt 8 for the pre-pressure of baking house lateral wall.
Specifically, the high temperature resistant flexible material 3 is made by molding silicide fibers in a non-woven mold. The direction of the silicide fibers is randomly distributed during the manufacturing process and then fixed with a latex binder system. A special papermaking process is controlled by a statistical method to form uniform, light and flexible sheets. By mixing different fibers, adhesives and additives and changing the manufacturing process, various types of heat insulation cotton can be produced to meet the requirements of equipment.
The silicide heat-insulating cotton has excellent chemical stability and can resist attack of most corrosive agents except hydrofluoric acid, phosphoric acid and concentrated alkali. Even if the thermal insulation cotton is soaked by water or steam, the thermal and physical properties can be completely recovered after drying. Most grades of insulation cotton are free of hydrated water and have good dielectric strength.
The heat insulation cotton has the characteristics of stability, high and low temperature resistance, good heat insulation effect and the like, is easy to assemble and process, and is widely applied to industries such as high-temperature gasket fittings, hot bent glass liners, electric kettle heat insulation pads, electric oven heat insulation, microprocessor chip mainboard heat insulation and the like at present.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a new baking house thermal expansion compensation structure, includes the baking house lateral wall, its characterized in that: the drying room is characterized in that the side walls of the drying room are connected through a high-temperature-resistant flexible material (3) to form a compensation structure, and an inner cover plate (1) and an outer cover plate (2) are respectively arranged on two sides of the high-temperature-resistant flexible material (3).
2. A new drying room thermal expansion compensation structure according to claim 1, characterized in that: high temperature resistant flexible material (3) through buckle piece (4) with the baking house lateral wall is connected, buckle piece (4) weld respectively in both sides form the indent on the baking house lateral wall, the both ends of high temperature resistant flexible material (3) respectively through hexagon socket head cap screw spare (6) with buckle piece (4) and connect.
3. A new drying room thermal expansion compensation structure according to claim 2, characterized in that: the high-temperature-resistant flexible material is characterized in that a C-shaped bending plate (9) is arranged between the inner hexagonal screw piece (6) and the high-temperature-resistant flexible material (3), and the C-shaped bending plate (7) is respectively located at two concave parts formed by the bending pieces (4).
4. A new drying room thermal expansion compensation structure according to claim 3, characterized in that: interior apron (1) sets up buckle piece (4) and correspond one side surface that forms the indent direction syntropy, the one end and one side of interior apron (1) buckle piece (4) intermittent welding, interior apron (1) and opposite side buckle and slide between the piece (4) and set up.
5. A new drying room thermal expansion compensation structure according to claim 4, characterized in that: and a fastening screw (5) for adjusting pre-pressure is arranged between the inner cover plate (1) and the bending piece (4) on one side of the intermittent welding.
6. A new drying room thermal expansion compensation structure according to claim 1, characterized in that: the outer cover plate (2) is fixedly connected with the bending piece (4) through a fixing bolt (8).
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| CN202110572944.6A CN113404171A (en) | 2021-05-25 | 2021-05-25 | Novel drying room thermal expansion compensation structure |
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| JP2019183545A (en) * | 2018-04-13 | 2019-10-24 | 三洋工業株式会社 | Expansion joint device |
| CN109457602A (en) * | 2018-12-19 | 2019-03-12 | 西安公路研究院 | The dust-proof slide plate telescopic device of bridge durability and its construction method |
| CN112049262A (en) * | 2019-06-05 | 2020-12-08 | 广西建工集团第五建筑工程有限责任公司 | Deformation joint device for simple outer wall of steel structure building and construction method of deformation joint device |
| CN212026647U (en) * | 2020-04-10 | 2020-11-27 | 山东电力工程咨询院有限公司 | Floor deformation expansion joint structure |
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Address after: No. 1958, Chuangye street, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130011 Applicant after: The Ninth Design and Research Institute of Machinery Industry Co.,Ltd. Address before: No. 1958, Chuangye street, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130011 Applicant before: Machinery Industry Ninth Design and Research Institute Co.,Ltd. |
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Application publication date: 20210917 |