CN113137404B - Mounting structure and mounting method of jet fan - Google Patents

Mounting structure and mounting method of jet fan Download PDF

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Publication number
CN113137404B
CN113137404B CN202110450079.8A CN202110450079A CN113137404B CN 113137404 B CN113137404 B CN 113137404B CN 202110450079 A CN202110450079 A CN 202110450079A CN 113137404 B CN113137404 B CN 113137404B
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plate
stabilizing
mounting
seat
firm
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CN113137404A (en
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***
严开林
谌雄辉
王小东
向竹
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Hunan Huaxin Meihao Highway Environment Construction Co ltd
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Hunan Huaxin Meihao Highway Environment Construction Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/002Axial flow fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/601Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003Ventilation of traffic tunnels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Connection Of Plates (AREA)

Abstract

The application relates to an installation structure of a jet fan, which comprises an embedded steel plate and a jet fan body, wherein a connecting piece is fixed on the embedded steel plate, and a fixing component is arranged in the middle of the jet fan body; the connecting piece includes the U shaped steel with pre-buried steel sheet fixed connection, fixed subassembly include with efflux fan body fixed connection's mount and fix on the mount with connecting piece fixed connection's installation component, the installation component include with mount fixed connection and the horizontally laid mounting plate and be on a parallel with mounting plate and be located the mounting plate top the installation roof, mounting plate passes through the lower tip of construction bolt centre gripping U shaped steel with the installation roof, all be provided with the buffer layer between mounting plate and installation roof and the U shaped steel. This application has the vibrations that reduce jet fan at the operation in-process, produces pre-buried steel sheet, improves jet fan installation stability's effect.

Description

Mounting structure and mounting method of jet fan
Technical Field
The application relates to the field of jet fans, in particular to a mounting structure of a jet fan and a mounting method of the mounting structure.
Background
Along with the increase of the construction amount of expressways and urban underground traffic roads, the construction amount of tunnels or tunnel groups is more and more, and for short tunnels and tunnel groups, tunnel operation ventilation and fire prevention and smoke exhaust under emergency working conditions are realized, and jet fans are main ventilation equipment, so that the installation and use amount of the jet fans is more and more.
Usually, the efflux fan is installed in the tunnel vault, pre-buried steel sheet when building with the tunnel civil engineering is connected through the bolt, the most weight of efflux fan is about 1000kg, its dynamic load is more than 1.3 times of fan net weight, along with efflux fan operation throughout the year, concrete structure around the pre-buried steel sheet can become flexible gradually, seriously influence the fixed strength of buried piece, the vibrations volume when efflux fan moves also can increase gradually moreover, the efflux fan has the danger of dropping, produce very big potential safety hazard to passing vehicle and passenger.
Disclosure of Invention
In order to reduce the vibrations that jet fan produced pre-buried steel sheet at the operation in-process, improve the stability of jet fan installation, this application provides a jet fan's mounting structure and mounting method.
The application provides a mounting structure of efflux fan adopts following technical scheme:
the mounting structure of the jet fan comprises an embedded steel plate and a jet fan body, wherein the embedded steel plate is embedded in the top of a tunnel, a connecting piece is fixed on the embedded steel plate, and a fixing assembly used for connecting the connecting piece is arranged in the middle of the jet fan body;
the connecting piece comprises U-shaped steel fixedly connected with the embedded steel plate, the U-shaped steel comprises a flat plate arranged in parallel to the embedded steel plate and side plates vertically fixed to two sides of the flat plate, the side plates are vertically fixed to the embedded steel plate, and mounting holes are formed in the flat plate.
The fixed assembly comprises a fixed frame fixedly connected with the jet fan body and an installation assembly fixed on the fixed frame and fixedly connected with the connecting piece, the installation assembly comprises an installation bottom plate fixedly connected with the fixed frame and horizontally arranged and an installation top plate parallel to the installation bottom plate and located above the installation bottom plate, the installation bottom plate and the installation top plate pass through the lower end part of the U-shaped steel clamped by the installation bolts, and buffer layers are arranged between the installation bottom plate, the installation top plate and the U-shaped steel.
Through adopting above-mentioned technical scheme, when the efflux fan is installed to needs, at first fix the connecting piece on pre-buried steel sheet, make U shaped steel opening upwards contradict on the pre-buried steel sheet, then with curb plate and pre-buried steel sheet welding, then the staff uses appurtenance will efflux fan body lifting to U shaped steel department, then place the buffer layer on mounting plate, then make the buffer layer on the mounting plate contradict on the flat board, then place the buffer layer at dull and stereotyped up end, and will install roof level and place on the buffering side, it can with mounting plate and installation roof fixed to use the bolt at last, the setting of buffer layer, the vibrations that the efflux fan produced pre-buried steel sheet in the use have been reduced, and then the stability of efflux fan installation is improved.
Preferably, the buffer layer includes a plurality of dysmorphism piece, the dysmorphism piece is zigzag concatenation by three quadrangular and forms, the cross-section of quadrangular is parallelogram, a plurality of the parallel concatenation of dysmorphism piece forms the buffer layer.
By adopting the technical scheme, the buffer layer can be contracted in an all-around manner, and the buffer capacity of the buffer layer is further improved.
Preferably, one end of the side plate, which is far away from the flat plate, is fixedly connected with an edge plate in a vertical manner, and the two edge plates are arranged oppositely.
Through adopting above-mentioned technical scheme, the welding area of connecting piece and pre-buried steel sheet when the welding has been improved in the setting of border board, and then has improved the stability that the connecting piece was fixed on pre-buried steel sheet.
Preferably, the mounting structure further comprises a stabilizing structure for stabilizing two ends of the jet fan body;
the stabilizing structure comprises a stabilizing plate fixedly connected with the connecting piece and positioned above the end part of the jet fan body and a stabilizing assembly, wherein two ends of the stabilizing plate are respectively connected with the stabilizing plate and the end part of the jet fan body.
Through adopting above-mentioned technical scheme, stable structure fixes the both ends of efflux fan, has improved the stability after the efflux fan installation.
Preferably, the stabilizing assembly comprises a stabilizing rod fixedly connected with the stabilizing plate and extending downwards, a stabilizing seat fixed at the end part of the jet fan and a stabilizing piece used for connecting the stabilizing rod and the stabilizing seat, the stabilizing piece is detachably connected with the stabilizing rod, and the stabilizing piece is in ball joint with the stabilizing seat.
Through adopting above-mentioned technical scheme, firm pole passes through stabilizing member and articulates on firm seat, and when the efflux fan in the use, during the production vibration, firm subassembly can follow the vibrations of efflux fan and take place to remove, has improved the stability after the efflux fan installation.
Preferably, the stabilizing member comprises a stabilizing sleeve, a ball rod and a ball seat, wherein the stabilizing sleeve is sleeved with the stabilizing rod through threads, the ball rod is coaxially connected with the stabilizing sleeve, the ball seat is hinged to a ball of the ball rod, and the ball seat is detachably arranged in the stabilizing seat.
Through adopting above-mentioned technical scheme, firm cover threaded connection is on firm pole, and the ball seat can be dismantled and set up in firm seat, has made things convenient for the staff to use firm piece to connect firm pole and firm seat.
Preferably, the ball seat includes first semicircle board and second semicircle board, set up the caulking groove that supplies the ball seat level slip in the firm seat, the hemisphere groove of ball articulated club is seted up respectively in concatenation punishment to first semicircle board and second semicircle board, firm seat passes through bolt fixed connection with first semicircle board and second semicircle board.
Through adopting above-mentioned technical scheme, when needs installation ball seat, at first make the hemisphere groove card in first semicircle board and the second semicircle board establish the club, then with first semicircle board and second semicircle board slip insert the caulking groove in, at last with the bolt with first semicircle board, second semicircle board and firm seat connect can, made things convenient for the staff to install firm in firm seat.
Preferably, a U-shaped plate is fixed at the upper end part of the stabilizing rod, the openings of the U-shaped plate are horizontally arranged, the stabilizing plate is inserted into the U-shaped plate, and the stabilizing plate and the U-shaped plate are fixedly connected through a bolt.
Through adopting above-mentioned technical scheme, the stability of being connected between firm pole and the firm board has been improved in the setting of U template.
Preferably, a buffer layer is also arranged between the U-shaped plate and the stabilizing plate.
Through adopting above-mentioned technical scheme, the setting of buffer layer has improved the shock-absorbing capacity between U template and the firm board, and then has reduced the harm that stable structure produced pre-buried steel sheet.
The application also provides a method for installing the jet fan, which adopts the following technical scheme:
a method for installing a jet fan comprises the following steps:
installing a connecting piece on the embedded steel plate to enable two side plates of the U-shaped steel to respectively abut against the embedded steel plate, and then welding the edge plates to the embedded steel plate;
installing a stabilizing plate, enabling two ends of the stabilizing plate to penetrate through the two U-shaped steels, and then fixing the stabilizing plate in the U-shaped steels through bolts;
installing a stabilizing piece, namely splicing a first semicircular plate and a second semicircular plate of the ball rod to form a ball groove, horizontally inserting the first semicircular plate and the second semicircular plate into an embedding groove in a stabilizing seat, and fixing the ball seat and the stabilizing seat by using bolts;
installing a stabilizing rod, rotating a stabilizing sleeve to enable the stabilizing rod to be screwed into the stabilizing sleeve, and then installing the stabilizing rod on a stabilizing plate;
fix the subassembly on the connecting piece, the staff uses appurtenance, with efflux fan body lifting to the position that is close to U shaped steel, then fill up at the up end of mounting plate and add the buffer layer to make the dull and stereotyped in buffer layer and the U shaped steel inconsistent, then fill up at dull and stereotyped up end and add the buffer layer, and in the top tiling installation roof of buffer layer, pass through bolt fixed connection with mounting plate and installation roof at last.
Through adopting above-mentioned technical scheme, the setting of fixed subassembly, buffer layer and stable structure has not only improved the stability of efflux fan installation, has reduced the efflux fan moreover in the use, and the harm that the vibrations of production caused pre-buried steel sheet has improved the structural strength of pre-buried steel sheet, and then has improved the life of efflux fan.
In summary, the present application includes at least one of the following beneficial technical effects:
1. due to the arrangement of the fixing assembly, the vibration of the jet flow fan on the embedded steel plate in the using process is reduced, and the installation stability of the jet flow fan is improved;
2. the setting of stable structure fixes the both ends of efflux fan, has improved the stability after the efflux fan installation.
Drawings
Fig. 1 is an overall view of an embodiment of the present application.
Fig. 2 is a schematic diagram of a connector and securing assembly embodied in an embodiment of the present application.
Fig. 3 is a schematic view showing a stable structure in the embodiment of the present application.
Description of reference numerals: 1. pre-burying a steel plate; 2. a jet fan body; 3. a connecting member; 31. u-shaped steel; 311. a flat plate; 312. a side plate; 313. an edge plate; 4. a fixing component 41 and a fixing frame; 42. mounting the component; 421. mounting a bottom plate; 422. installing a top plate; 5. a buffer layer; 6. a stable structure; 61. a stabilizing plate; 7. a stabilizing assembly; 71. a stabilizing rod; 711. a U-shaped plate; 72. a stabilizing base; 721. caulking grooves; 8. a stabilizing member; 81. a stabilizing sleeve; 82. a shaft; 83. a ball seat; 831. a first semi-circular plate; 832. a second semicircular plate; 833. a hemispherical groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses mounting structure of efflux fan. Referring to fig. 1, mounting structure includes pre-buried steel sheet 1, efflux fan body 2, connecting piece 3, fixed subassembly 4 and stable structure 6, pre-buried steel sheet 1 predetermines the top in the tunnel, connecting piece 3 is provided with a plurality ofly, a plurality of connecting pieces 3 respectively with pre-buried steel sheet 1 welding, fixed subassembly 4 sets up the middle part at efflux fan body 2, be used for fixing efflux fan body 2 on pre-buried steel sheet 1 through connecting piece 3, stable subassembly 7 sets up between pre-buried steel sheet 1 and efflux fan body 2, and stable subassembly 7 is used for fixing the both ends of efflux fan body 2.
As shown in fig. 1 and 2, the connecting member 3 includes a U-shaped steel 31, the U-shaped steel 31 includes a flat plate 311 and two side plates 312, the flat plate 311 is disposed parallel to the embedded steel plate 1, the two side plates 312 are respectively and vertically fixed on two sides of the flat plate 311, one end of the side plate 312 away from the flat plate 311 is vertically fixed with the edge plate 313, the two edge plates 313 are disposed in opposite directions, a mounting hole is formed in the flat plate 311, and the U-shaped steel 31 is welded on the embedded steel plate 1 through the edge plate 313.
The fixing component 4 comprises a fixing frame 41 and a mounting component 42, the fixing frame 41 is fixed in the middle of the jet fan body 2, the mounting component 42 is used for fixing the fixing frame 41 on the U-shaped steel 31, the mounting component 42 comprises a mounting bottom plate 421 and a mounting top plate 422, the mounting bottom plate 421 is fixedly connected with the fixing frame 41, the mounting bottom plate 421 and the flat plate 311 are arranged in parallel, the mounting top plate 422 is arranged in parallel to the mounting bottom plate 421, the mounting bottom plate 421 and the mounting top plate 422 clamp the flat plate 311 in the U-shaped steel 31, the mounting bottom plate 421, a buffer layer 5 is arranged between the mounting top plate 422 and the flat plate 311, the mounting bottom plate 421, the mounting top plate 422 and the flat plate 311 are fixedly connected through bolts, the buffer layer 5 is formed by splicing a plurality of special-shaped blocks in parallel, the special-shaped blocks are formed by splicing three quadrangular prisms in a linear folding manner, the cross sections of the quadrangular prisms are parallelogram, and are used for improving the buffer capacity of the buffer layer 5.
As shown in fig. 1 and 3, the stabilizing structure 6 comprises a stabilizing plate 61 and a stabilizing component 7, the stabilizing plate 61 is horizontally arranged at the upper end of one end of the jet fan body 2, the two ends of the stabilizing plate 61 are respectively placed on the flat plate 311 of the U-shaped steel 31, a buffer layer 5 is placed between the stabilizing plate 61 and the flat plate 311, the stabilizing plate 61 is fixedly connected with the flat plate 311 through a bolt, and the stabilizing component 7 is used for connecting the ends of the stabilizing plate 61 and the jet fan body 2.
The stabilizing assembly 7 comprises a stabilizing rod 71, a stabilizing seat 72 and a stabilizing piece 8, wherein the stabilizing rod 71 is fixed in the middle of the stabilizing plate 61, the stabilizing rod 71 is vertically arranged downwards, the stabilizing seat 72 is fixed at the end part of the jet fan body 2, the stabilizing piece 8 is used for connecting the stabilizing rod 71 with the stabilizing seat 72, a U-shaped plate 711 is fixed at the upper end part of the stabilizing rod 71, the opening of the U-shaped plate 711 is horizontally arranged, the stabilizing plate 61 can be inserted into the U-shaped plate 711, a buffer layer 5 is arranged between the stabilizing plate 61 and the U-shaped plate 711, and the stabilizing plate 61 is fixedly connected with the U-shaped plate 711 through bolts.
Firm 8 includes firm cover 81, club 82 and ball seat 83, firm cover 81 threaded sleeve establishes on firm pole 71, club 82 is coaxial to be fixed on firm cover 81, club 82 and ball seat 83 ball joint, ball seat 83 includes first semicircle board 831 and second semicircle board 832, hemisphere groove 833 has been seted up at the concatenation department to first semicircle board 831 and second semicircle board 832, caulking groove 721 has been seted up on firm seat 72, ball seat 83 can horizontally insert in caulking groove 721, first semicircle board 831 and second semicircle board 832 pass through the bolt fastening on firm seat 72, make things convenient for the staff to install firm 8.
The embodiment of the application also discloses a method for installing the jet fan, which comprises the following steps:
s1, installing a connecting piece on the embedded steel plate, enabling two side plates of the U-shaped steel to respectively abut against the embedded steel plate, and then welding the edge plates onto the embedded steel plate.
S2, installing the stabilizing plate, enabling two ends of the stabilizing plate to penetrate through the two U-shaped steels, and fixing the stabilizing plate in the U-shaped steels through bolts.
S3, installing the stabilizing piece, namely splicing the first semicircular plate and the second semicircular plate of the ball rod to form a ball groove, horizontally inserting the first semicircular plate and the second semicircular plate into an embedded groove in the stabilizing seat, and fixing the ball seat and the stabilizing seat by using bolts.
S4, installing the stabilizing rod, rotating the stabilizing sleeve to enable the stabilizing rod to be screwed into the stabilizing sleeve, and then installing the stabilizing rod on the stabilizing plate.
S5, fix the subassembly on the connecting piece, the staff uses appurtenance, with efflux fan body lifting to the position of being close to U shaped steel, then fill up at the up end of mounting plate and add the buffer layer to make the flat board in buffer layer and the U shaped steel inconsistent, then fill up at dull and stereotyped up end and add the buffer layer, and at the top tiling installation roof of buffer layer, pass through bolt fixed connection with mounting plate and installation roof at last.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a mounting structure of efflux fan, includes pre-buried steel sheet (1) and efflux fan body (2) at the tunnel top, its characterized in that: a connecting piece (3) is fixed on the embedded steel plate (1), and a fixing assembly (4) for connecting the connecting piece (3) is arranged in the middle of the jet fan body (2);
the connecting piece (3) comprises U-shaped steel (31) fixedly connected with the embedded steel plate (1), the U-shaped steel (31) comprises a flat plate (311) arranged in parallel to the embedded steel plate (1) and side plates (312) vertically fixed on two sides of the flat plate (311), the side plates (312) are vertically fixed on the embedded steel plate (1), and mounting holes are formed in the flat plate (311);
the fixed assembly (4) comprises a fixed frame (41) fixedly connected with the jet flow fan body (2) and a mounting assembly (42) fixed on the fixed frame (41) and fixedly connected with the connecting piece (3), the mounting assembly (42) comprises a mounting bottom plate (421) fixedly connected with the fixed frame (41) and horizontally arranged and a mounting top plate (422) parallel to the mounting bottom plate (421) and positioned above the mounting bottom plate (421), the mounting bottom plate (421) and the mounting top plate (422) clamp the lower end part of the U-shaped steel (31) through bolts, and buffer layers (5) are arranged between the mounting bottom plate (421) and the mounting top plate (422) and the U-shaped steel (31);
buffer layer (5) include a plurality of dysmorphism piece, the dysmorphism piece is zigzag concatenation by three quadrangular and forms, the cross-section of quadrangular is parallelogram, a plurality of the parallel concatenation of dysmorphism piece forms buffer layer (5).
2. The mounting structure of a jet fan according to claim 1, wherein: one end of the side plate (312), which is far away from the flat plate (311), is vertically and fixedly connected with an edge plate (313), and the two edge plates (313) are oppositely arranged.
3. The mounting structure of a jet fan according to claim 1, wherein: the mounting structure further comprises stabilizing structures (6) for stabilizing two ends of the jet fan body (2);
stabilizing structure (6) include with connecting piece (3) fixed connection and be located stable board (61) and both ends of efflux fan body (2) tip top respectively with stable board (61) and the stable subassembly (7) of efflux fan body (2) end connection.
4. A mounting structure of a jet fan according to claim 3, characterized in that: firm subassembly (7) include with firm board (61) fixed connection and downwardly extending set up firm pole (71), fix at the firm seat (72) of efflux fan body (2) tip and be used for connecting firm pole (71) and firm piece (8) of firm seat (72), firm piece (8) can dismantle with firm pole (71) and be connected, firm piece (8) and firm seat (72) ball joint.
5. The mounting structure of a jet fan according to claim 4, wherein: the stabilizing piece (8) comprises a stabilizing sleeve (81) which is sleeved with a stabilizing rod (71) in a threaded manner, a ball rod (82) which is coaxially connected with the stabilizing sleeve (81) and a ball seat (83) which is hinged with the ball rod (82) in a spherical manner, and the ball seat (83) is detachably arranged in the stabilizing seat (72).
6. The mounting structure of a jet fan according to claim 5, wherein: the ball seat (83) comprises a first semicircular plate (831) and a second semicircular plate (832), an embedding groove (721) for the ball seat (83) to slide into horizontally is formed in the stabilizing seat (72), the first semicircular plate (831) and the second semicircular plate (832) are provided with a hemispherical groove (833) of the ball hinged ball rod (82) at the splicing position respectively, and the stabilizing seat (72) is fixedly connected with the first semicircular plate (831) and the second semicircular plate (832) through bolts.
7. The mounting structure of a jet fan according to claim 4, wherein: the upper end part of the stabilizing rod (71) is fixed with a U-shaped plate (711), the opening of the U-shaped plate (711) is horizontally arranged, the stabilizing plate (61) is inserted into the U-shaped plate (711), and the stabilizing plate and the U-shaped plate are fixedly connected through bolts.
8. The mounting structure of a jet fan according to claim 7, wherein: a buffer layer (5) is also arranged between the U-shaped plate (711) and the stabilizing plate (61).
9. A method for mounting a mounting structure of a jet fan according to any one of claims 1 to 8, comprising the steps of:
installing a connecting piece on the embedded steel plate to enable two side plates of the U-shaped steel to respectively abut against the embedded steel plate, and then welding the edge plates to the embedded steel plate;
installing a stabilizing plate, enabling two ends of the stabilizing plate to penetrate through the two U-shaped steels, and then fixing the stabilizing plate in the U-shaped steels through bolts;
mounting a stabilizing piece, namely splicing a first semi-circular plate and a second semi-circular plate of the ball rod to form a ball groove, horizontally inserting the first semi-circular plate and the second semi-circular plate into an embedded groove in a stabilizing seat, and fixing the ball seat and the stabilizing seat by using bolts;
installing a stabilizing rod, installing the stabilizing rod, rotating a stabilizing sleeve to enable the stabilizing rod to be screwed into the stabilizing sleeve, and then installing the stabilizing rod on a stabilizing plate;
fix the subassembly on the connecting piece, the staff uses appurtenance, with efflux fan body lifting to the position of being close to U shaped steel, then fill up at the up end of mounting plate and add the buffer layer to make the flat board in buffer layer and the U shaped steel inconsistent, then fill up at dull and stereotyped up end and add the buffer layer, and at the top of buffer layer tiling installation roof, pass through bolt fixed connection with mounting plate and installation roof at last.
CN202110450079.8A 2021-04-25 2021-04-25 Mounting structure and mounting method of jet fan Active CN113137404B (en)

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CN113137404B true CN113137404B (en) 2022-12-20

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Publication number Priority date Publication date Assignee Title
KR102664823B1 (en) * 2023-09-07 2024-05-10 (주)삼원이앤비 Super-slim Jet fan assembly for tunnel with safety structure to prevent fall

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CN210949281U (en) * 2019-10-28 2020-07-07 上海进贤机电科技有限公司 Rectangular mounting structure of tunnel jet fan
CN212717390U (en) * 2020-08-11 2021-03-16 江西祥发通风设备有限公司 Novel tunnel jet fan

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2445498A1 (en) * 2003-10-17 2005-04-17 Martin Boudreau Pipe protector
CN101289944A (en) * 2008-06-12 2008-10-22 太原理工大学 Laneway fluid pipe trailer fixing device
CN103496184A (en) * 2013-09-29 2014-01-08 桂林中昊力创机电设备有限公司 Stub bar and tailing material treatment method and equipment for steel wire cord fabric cutting machine
CN210949281U (en) * 2019-10-28 2020-07-07 上海进贤机电科技有限公司 Rectangular mounting structure of tunnel jet fan
CN212717390U (en) * 2020-08-11 2021-03-16 江西祥发通风设备有限公司 Novel tunnel jet fan

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