CN110684875B - Auxiliary device for installing large square hole cover - Google Patents
Auxiliary device for installing large square hole cover Download PDFInfo
- Publication number
- CN110684875B CN110684875B CN201911085796.4A CN201911085796A CN110684875B CN 110684875 B CN110684875 B CN 110684875B CN 201911085796 A CN201911085796 A CN 201911085796A CN 110684875 B CN110684875 B CN 110684875B
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- China
- Prior art keywords
- square hole
- plate
- plates
- large square
- hole cover
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- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Connection Of Plates (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a large square hole cover installation auxiliary device which comprises two cross beams and two longitudinal beams, wherein the cross beams and the longitudinal beams are connected through pin shafts to form a rectangular frame, the cross beams and the longitudinal beams are cuboid structures which are formed by connecting and fixing two side plates which are arranged in a corresponding mode, end plates which are arranged in a corresponding mode and a bottom plate which are arranged in a corresponding mode, the two side plates are separated into a plurality of triangular structures through a plurality of inclined plates, screw holes corresponding to the positions of bolt holes in the large square hole cover are formed in the bottom plate of each triangular structure, extension plates are respectively arranged at two ends of the longitudinal beams, and the extension plates are connected with a fixed plate through a plurality of hinge shafts. Do benefit to triangle-shaped structure in crossbeam, the longeron fixation nut in advance, through extension plate, articulated shaft, the spacing fixing bolt of U-shaped fixed plate, realize the fixed with the quick connect of base of square hole lid, simple structure, the operation safety improves the operating efficiency of dismantling and installation, increases the guarantee to personal safety, can save half operating time, is fit for promoting.
Description
Technical Field
The invention belongs to the technical field of blast furnace equipment maintenance devices, and particularly relates to a large square hole cover installation auxiliary device.
Background
And smelting in an oversized blast furnace, wherein the furnace top is used for arranging and discharging furnace charges through a distribution chute, and a large square hole of the blast furnace is a channel for observing and replacing the distribution chute. As shown in fig. 1, 74 bolt holes 2 (not all shown in the figure) are uniformly distributed in a blast furnace large square hole cover 1, and are fixed to a base 3 by bolts 40 x 240 mm.
At present, when the cloth chute is replaced, the large square hole cover needs to be detached and lifted, and then the large square hole cover is installed after the cloth chute is replaced, wherein the detachment needs one operation hour, and the installation needs two operation hours. Only because the mounting base is not provided with the nut fixing device, one worker is required to clamp one nut by using a large wrench, and the other worker uses an electric wrench to fasten a screw rod and the like, so that the mounting base is time-consuming and labor-consuming, and the large square hole is high, so that a plurality of unsafe factors exist.
Therefore, how to realize the safe and efficient installation of the large square hole cover is a problem to be solved.
Disclosure of Invention
The invention aims to provide a large square hole cover installation auxiliary device, which improves the operation efficiency of disassembly and installation and increases the guarantee on personal safety.
The technical scheme adopted for solving the technical problems is as follows: the auxiliary device for installing the large square hole cover comprises two cross beams and two longitudinal beams, wherein the cross beams and the longitudinal beams are connected through pin shafts to form a rectangular frame, and the rectangular frame is adapted to the peripheries of the large square hole cover and the base; the crossbeam and the longitudinal beam are rectangular structures with top openings, wherein the rectangular structures are formed by connecting and fixing side plates arranged in a two-phase mode, end plates arranged in a two-phase mode and a bottom plate, a plurality of triangular structures are separated between the two side plates through a plurality of inclined plates, screw holes corresponding to the positions of the screw holes in the large square hole covers are formed in the bottom plate of each triangular structure, extension plates are respectively arranged at two ends of the longitudinal beam, the extension plates can be integrally formed with the longitudinal beam, and the extension plates are connected with the fixing plates through a plurality of hinge shafts.
Specifically, the end plate outside at crossbeam both ends is fixed with the connecting plate, and the outer wall both ends of the curb plate of longeron inboard are fixed with the connecting plate respectively, are equipped with the pinhole on the connecting plate, and the round pin axle passes the pinhole on the connecting plate and connects crossbeam and longeron fixedly.
Specifically, the end plate top of longeron one end is fixed with the extension board, and the top of the curb plate of longeron other end is fixed with the extension board, and the extension board all passes through a plurality of articulated shafts and fixed plate swing joint.
Specifically, the side plate provided with the extension plate on the longitudinal beam is positioned at the outer side of the longitudinal beam.
Specifically, the height of the extension plate is greater than or equal to the thickness of the base and is smaller than the sum of the thicknesses of the base and the large square hole cover.
Specifically, the fixed plate is the U-shaped board, and the U-shaped opening of the fixed plate of connecting on the end plate is towards longeron direction, and the U-shaped opening of the fixed plate of connecting on the curb plate is towards the crossbeam. The U-shaped opening of the fixing plate corresponds to the position of the bolt hole on the large square hole cover.
Specifically, the nuts used for fixing the large square hole cover and the base are placed in the triangular structure formed by the side plates and the inclined plates, and the positions of the bolt holes in the large square hole cover and the base, and the positions of the nuts in the triangular structure and the screw holes in the bottom plate are in one-to-one correspondence.
The invention has the following beneficial effects:
the auxiliary device provided by the invention is beneficial to fixing nuts in advance in triangular structures in the cross beam and the longitudinal beam, realizes the quick connection and fixation of the large square hole cover and the base through the extension plate, the hinge shaft and the U-shaped fixing plate limit fixing bolt, has a simple structure and safe operation, improves the operation efficiency of disassembly and installation, increases the guarantee on personal safety, can save half of operation time, and is suitable for popularization.
Drawings
FIG. 1 is a schematic view of a large square hole cover according to the present invention.
Fig. 2 is a top view of the large square hole cover installation auxiliary device of the present invention with the hinge shaft and the fixing plate removed.
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
Fig. 4 is a front view of the inventive stringer-to-anchor plate connection.
Fig. 5 is a right side view of the portion B in fig. 4.
Fig. 6 is a schematic structural view of the fixing plate in the present invention.
In the figure, 1, a large square hole cover, 2, bolt holes, 3, a base, 4, a cross beam, 5, a longitudinal beam, 6, a connecting plate, 7, a pin hole, 8, a pin shaft, 9, a bottom plate, 10, a side plate, 11, an inclined plate, 12, a hinge shaft, 13, a fixed plate, 14, a screw hole, 15, an extension plate, 16 and an end plate.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention are further described, but the scope of the present invention is not limited to these examples. All changes and equivalents that do not depart from the gist of the invention are intended to be within the scope of the invention.
As shown in fig. 2, the auxiliary device for installing the large square hole cover comprises two cross beams 4 and two longitudinal beams 5, wherein the cross beams 4 and the longitudinal beams 5 are connected through pin shafts 8 to form rectangular frames, and the rectangular frames are matched with the peripheries of the large square hole cover 1 and the base 3; the cross beam 4 and the longitudinal beam 5 are rectangular structures with open tops, which are formed by connecting and fixing two oppositely arranged side plates 10, two oppositely arranged end plates 16 and a bottom plate 9, a plurality of triangular structures are separated between the two side plates 10 through a plurality of inclined plates 11, screw holes 14 corresponding to the positions of the screw holes 2 on the large square hole cover 1 are formed in the bottom plate 9 of each triangular structure, nuts for fixing the large square hole cover 1 and the base 3 are placed in the triangular structures formed by the side plates 10 and the inclined plates 11, and the positions of the screw holes 2 on the large square hole cover 1 and the base 3, the nuts in the triangular structures and the screw holes 14 on the bottom plate 9 are in one-to-one correspondence. When the large square hole cover and the base are fixed by bolts, the bolts sequentially pass through the bolt holes 2 on the large square hole cover 1 and the base 3, the nuts in the triangular structure and then pass through the screw holes 14 on the bottom plate 9 to be fixed.
As shown in fig. 3, connecting plates 6 are fixed on the outer sides of end plates 16 at two ends of the cross beam 4, connecting plates 6 are respectively fixed at two ends of the outer wall of a side plate 10 at the inner side of the longitudinal beam 5, pin holes 7 are formed in the connecting plates 6, and pin shafts 8 penetrate through the pin holes 7 in the connecting plates 6 to fixedly connect the cross beam 4 and the longitudinal beam 5.
The two ends of the longitudinal beam 5 are respectively provided with an extension plate 15, and the extension plates 15 are connected with the fixed plates 13 through a plurality of hinge shafts 12, the connection modes between the extension plates 15 and the hinge shafts 12, between the adjacent hinge shafts 12 and between the hinge shafts and the fixed plates 13 can adopt the prior art, so long as flexible movable connection can be realized. As shown in fig. 4 and 5, an extension plate 15 is fixed to the top of an end plate 16 at one end of the longitudinal beam 5, an extension plate 15 is fixed to the top of a side plate 10 at the other end of the longitudinal beam 5, and the side plate 10 provided with the extension plate 15 on the longitudinal beam 5 is located outside the longitudinal beam 5. The extension plates 15 are movably connected with the fixed plate 13 through a plurality of hinge shafts 12. The height of the extension plate 15 is equal to or greater than the thickness of the base 3 and less than the sum of the thicknesses of the base 3 and the large square hole cover 1.
The hinge shafts 12 play an excessive role, the large square hole cover 1 is continuously pressed down along with the fastening of bolts, the distance between the large square hole cover 1 and the base 3 is gradually shortened, at the moment, the hinge shafts 12 are gradually pressed down and pushed forward to push the fixing plate 13 to move forward, and the fixing plate 13 is fixed at the final position and does not move any more.
The fixing plate 13 is a U-shaped plate, and the structure is shown in fig. 6. The U-shaped opening of the fixed plate 13 connected to the end plate 16 faces the longitudinal beam 5, and the U-shaped opening of the fixed plate 13 connected to the side plate 10 faces the transverse beam 4. The U-shaped opening of the fixing plate 13 corresponds to the position of the bolt hole 2 on the large square hole cover 1. The U-shaped opening is used for the bolt to pass through.
When the large square hole cover 1 is installed, the large square hole cover 1 is hoisted to the base 3, nuts are placed in the triangular structure formed by the side plates 10 and the inclined plates 11 of the device, and the nuts correspond to the screw holes 14 on the bottom plate 9. Then place this device below base 3, the nut corresponds with the bolt hole 2 position on big square hole lid 1 and the base 3, and it is accomplished to connect, places fixed plate 13 in big square hole lid 1 top, and bolt hole 2 on the big square hole lid 1 is located the U-shaped opening of fixed plate 13, and the bolt is worn to establish in the bolt hole 2 position of card locating tip, temporary fixing bolt earlier, then places other bolts in proper order. After the fastening is finished, the end bolt is finally fastened, and the auxiliary device is taken down.
The present invention is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present invention can fall within the scope of the present invention if the present invention has the same or similar technical solutions.
The technology, shape, and construction parts of the present invention, which are not described in detail, are known in the art.
Claims (5)
1. The auxiliary device for installing the large square hole cover is characterized by comprising two cross beams and two longitudinal beams, wherein the cross beams and the longitudinal beams are connected through pin shafts to form a rectangular frame, and the rectangular frame is matched with the peripheries of the large square hole cover and the base; the cross beam and the longitudinal beam are cuboid structures with top openings, wherein the cuboid structures are formed by connecting and fixing two oppositely arranged side plates, two oppositely arranged end plates and a bottom plate, the two side plates are separated into a plurality of triangular structures through a plurality of inclined plates, screw holes corresponding to the positions of the screw holes in the large square hole covers are formed in the bottom plate of each triangular structure, extension plates are respectively arranged at two ends of the longitudinal beam, and the extension plates are connected with the fixing plates through a plurality of hinge shafts;
the fixing plate is a U-shaped plate, the U-shaped opening of the fixing plate connected with the end plate faces the longitudinal beam direction, and the U-shaped opening of the fixing plate connected with the side plate faces the cross beam;
the U-shaped opening of the fixing plate corresponds to the position of the bolt hole on the large square hole cover;
nuts used for fixing the large square hole cover and the base are placed in the triangular structure formed by the side plates and the inclined plates, and the positions of the bolt holes in the large square hole cover and the base, and the positions of the nuts in the triangular structure and the screw holes in the bottom plate are in one-to-one correspondence.
2. The auxiliary device for installing the large square hole cover according to claim 1, wherein connecting plates are fixed on the outer sides of end plates at two ends of the cross beam, connecting plates are respectively fixed on two ends of the outer wall of a side plate at the inner side of the longitudinal beam, pin holes are formed in the connecting plates, and pin shafts penetrate through the pin holes in the connecting plates to fixedly connect the cross beam and the longitudinal beam.
3. The auxiliary device for installing the large square hole cover according to claim 1, wherein an extension plate is fixed at the top of the end plate at one end of the longitudinal beam, an extension plate is fixed at the top of the side plate at the other end of the longitudinal beam, and the extension plate is movably connected with the fixing plate through a plurality of hinge shafts.
4. A large square hole cover installation auxiliary device according to claim 3, wherein the side plate on which the extension plate is provided is located outside the longitudinal beam.
5. A large square hole cover installation auxiliary device according to claim 1 or 3, wherein the height of the extension plate is equal to or greater than the thickness of the base and less than the sum of the thicknesses of the base and the large square hole cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911085796.4A CN110684875B (en) | 2019-11-08 | 2019-11-08 | Auxiliary device for installing large square hole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911085796.4A CN110684875B (en) | 2019-11-08 | 2019-11-08 | Auxiliary device for installing large square hole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110684875A CN110684875A (en) | 2020-01-14 |
| CN110684875B true CN110684875B (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911085796.4A Active CN110684875B (en) | 2019-11-08 | 2019-11-08 | Auxiliary device for installing large square hole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110684875B (en) |
Citations (8)
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|---|---|---|---|---|
| KR200375723Y1 (en) * | 2004-11-30 | 2005-03-10 | 김필주 | The structure of mold for covers tool |
| CN201265018Y (en) * | 2008-10-10 | 2009-07-01 | 天津二十冶建设有限公司 | Combined type blast furnace cooling wall mounting auxiliary device |
| CN203187719U (en) * | 2013-03-13 | 2013-09-11 | 莱芜钢铁集团有限公司 | Large square hole cover for blast furnace |
| CN203270600U (en) * | 2013-02-01 | 2013-11-06 | 中国十七冶集团有限公司 | Fixed support for installing embedded bolts of high-precision equipment |
| CN203834956U (en) * | 2014-05-13 | 2014-09-17 | 莱芜钢铁集团有限公司 | Adjusting device for installation and positioning of steel structure beam |
| CN107605038A (en) * | 2017-08-30 | 2018-01-19 | 河北建筑工程学院 | A kind of assembled steel and concrete frame space modular structure and system and construction method |
| CN208844728U (en) * | 2018-09-11 | 2019-05-10 | 樊德成 | Assembled architecture is pre-positioned mounting structure |
| CN210711603U (en) * | 2019-11-08 | 2020-06-09 | 莱芜钢铁集团有限公司 | Large square hole cover installation auxiliary device |
-
2019
- 2019-11-08 CN CN201911085796.4A patent/CN110684875B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200375723Y1 (en) * | 2004-11-30 | 2005-03-10 | 김필주 | The structure of mold for covers tool |
| CN201265018Y (en) * | 2008-10-10 | 2009-07-01 | 天津二十冶建设有限公司 | Combined type blast furnace cooling wall mounting auxiliary device |
| CN203270600U (en) * | 2013-02-01 | 2013-11-06 | 中国十七冶集团有限公司 | Fixed support for installing embedded bolts of high-precision equipment |
| CN203187719U (en) * | 2013-03-13 | 2013-09-11 | 莱芜钢铁集团有限公司 | Large square hole cover for blast furnace |
| CN203834956U (en) * | 2014-05-13 | 2014-09-17 | 莱芜钢铁集团有限公司 | Adjusting device for installation and positioning of steel structure beam |
| CN107605038A (en) * | 2017-08-30 | 2018-01-19 | 河北建筑工程学院 | A kind of assembled steel and concrete frame space modular structure and system and construction method |
| CN208844728U (en) * | 2018-09-11 | 2019-05-10 | 樊德成 | Assembled architecture is pre-positioned mounting structure |
| CN210711603U (en) * | 2019-11-08 | 2020-06-09 | 莱芜钢铁集团有限公司 | Large square hole cover installation auxiliary device |
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| CN110684875A (en) | 2020-01-14 |
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