CN113188022A - Be applied to screw rod of a building gallows fastener and connect - Google Patents
Be applied to screw rod of a building gallows fastener and connect Download PDFInfo
- Publication number
- CN113188022A CN113188022A CN202110540280.5A CN202110540280A CN113188022A CN 113188022 A CN113188022 A CN 113188022A CN 202110540280 A CN202110540280 A CN 202110540280A CN 113188022 A CN113188022 A CN 113188022A
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- Prior art keywords
- plate
- fixing
- limiting
- telescopic
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
Abstract
The invention belongs to the electromechanical installation field and relates to a screw joint applied to a building support and hanger fastener, which comprises a fixed top plate, a telescopic sleeve and a rotating part, the connector comprises a connector body, an upper buckle plate and a lower buckle plate, wherein first fixing bolts are fixedly inserted at four corners of a fixed top plate, the outer side of each first fixing bolt is in threaded connection with an expansion bolt pipe, a fixed shaft sleeve is arranged at the bottom of the fixed top plate, a rotating bearing is rotatably connected in the fixed shaft sleeve, a telescopic sleeve is fixedly inserted in the rotating bearing, a telescopic rod is movably inserted in the telescopic sleeve, a second fixing nut is in threaded connection with the bottom of the telescopic rod, a connecting hole is formed in the top of a rotating piece, the telescopic rod is fixedly inserted with the connecting hole, the connector body is arranged in the rotating piece, a connecting rod is in threaded connection with the bottom of the connector body, an upper buckle plate and a lower buckle plate are sleeved below the connecting rod, and fourth fixing nuts are arranged on the upper buckle plate and the lower buckle plate; this screw rod connects is convenient for install and is dismantled, and can adjust installation angle and height, and the steadiness is strong with anticorrosive simultaneously.
Description
Technical Field
The invention belongs to the field of electromechanical installation, and particularly relates to a screw joint applied to a building support and hanger fastener.
Background
In the field of construction engineering, screw joints are often used as connecting devices for expansion anchors and screws. The screw joint is widely applied in the field of electromechanical installation engineering.
The direction of a connector of a traditional screw connector is fixed, the direction of the connector is determined by the root point of the screw connector, and the traditional screw connector can only be connected in the vertical direction. However, in actual operation, the field pipeline is complex, and in many cases, the rooting point of the screw joint is difficult to be just above the connection point on the support and hanger; and traditional screw rod connects the steadiness poor, is not convenient for install and dismantle, can not adjust the height after the installation simultaneously to reach the equilibrium.
Disclosure of Invention
The invention provides a screw rod joint applied to a building support and hanger fastener, which is used for solving the problems.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a screw rod joint applied to a building support and hanger fastener, which comprises a fixed top plate, telescopic sleeves, a rotating member, a joint body, an upper buckle plate and a lower buckle plate, wherein first fixing bolts are fixedly inserted at four corners of the fixed top plate, an expansion bolt pipe is connected to the outer side of each first fixing bolt in a threaded manner, a fixed shaft sleeve is arranged at the bottom of the fixed top plate, a rotating bearing is rotatably connected in the fixed shaft sleeve, the telescopic sleeves are fixedly inserted in the rotating bearings, telescopic rods are movably inserted in the telescopic sleeves, the bottom of each telescopic rod is connected with a second fixing nut in a threaded manner, a connecting hole is formed in the top of the rotating member, each telescopic rod is fixedly inserted in the connecting hole, the rotating member is internally provided with the joint body, a third fixing bolt is inserted between the rotating member and the joint body, and a third fixing nut is connected to the third fixing bolt in a threaded manner, the connecting rod is connected to the bottom of the connector body in a threaded mode, an upper buckling plate and a lower buckling plate are sleeved below the connecting rod, and fourth fixing nuts are arranged on the upper buckling plate and the lower buckling plate.
As a preferred technical scheme of the invention, a first gasket is sleeved on the first fixing bolt, a second gasket is sleeved on the telescopic rod, and third gaskets are arranged between the fourth fixing nut and the upper and lower pinch plates, so that the first fixing bolt, the second fixing nut and the fourth fixing nut can be effectively prevented from slipping.
According to the preferable technical scheme, the left side and the right side of the fixed top plate are respectively provided with the side plate, the top of the fixed top plate is provided with the bolt tube base plate, the firmness of installation of the fixed top plate and the wall body is improved, and the height of the bulge of the expansion bolt can be compensated.
According to a preferred technical scheme, the top of the rotating bearing is fixedly connected with a limiting plate, the limiting plate and the fixed shaft sleeve are both provided with a first limiting hole, and a first limiting bolt is connected to the first limiting hole in an internal thread mode and plays a limiting role in limiting the rotation of the telescopic sleeve.
As a preferred technical scheme of the invention, the telescopic sleeve and the telescopic rod are both provided with second limiting holes, second limiting bolts are fixedly inserted in the second limiting holes, and the second limiting bolts are in threaded connection with second limiting nuts to limit the connecting rod.
As a preferred technical scheme, the top end of the connecting rod is fixedly connected with a limiting block, the limiting block is movably clamped with the joint body, and a fastening spring is fixedly connected between the top of the limiting block and the joint body, so that the firmness of the joint body and the connecting rod is effectively improved.
As a preferable technical scheme of the invention, the joint body is in threaded connection with a reinforcing bolt, so that the connecting rod can be effectively prevented from rotating.
As a preferred technical scheme of the invention, the inner ends of the upper pinch plate and the lower pinch plate are provided with rubber anti-slip strips.
As a preferred technical scheme of the invention, the fixed top plate, the telescopic sleeve, the rotating part, the joint body, the upper pinch plate and the lower pinch plate are all sprayed with antirust paint, so that the corrosion resistance of the structure is improved.
The invention has the following beneficial effects: through fixed axle sleeve and rolling bearing's design, can adjust the direction of installation, can adjust installation angle through the rotation effect that rotates the piece and connect the body to utilize third fixing bolt and third fixation nut to fix the angle, the activity grafting effect through telescopic tube and telescopic link simultaneously can adjust the mounting height, carries out threaded connection through rotating the connecting rod and connecting the body, conveniently carries out the accurate adjustment.
Through the split type design of fixed roof, telescopic tube, rotation piece, joint body, last buckle and lower buckle, conveniently install and dismantle, and the degree of stability is higher, the effectual construction progress that has promoted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the fixed top plate according to the present invention;
FIG. 3 is a front cross-sectional view of the top fixing plate of the present invention;
FIG. 4 is a schematic view of the attachment of the telescopic rod sleeve of the present invention;
FIG. 5 is a schematic view of the connection of the rotating member in the present invention;
FIG. 6 is a front cross-sectional view of a rotating member of the present invention;
FIG. 7 is a schematic view of the structure of the upper and lower gusset plates of the present invention.
In the figure: 1. fixing a top plate; 2. a telescopic sleeve; 3. a rotating member; 4. a connector body; 5. an upper buckle plate; 6. a lower buckle plate; 7. a first fixing bolt; 8. expanding the plug tube; 9. a first gasket; 10. a side plate; 11. a bolt tube backing plate; 12. fixing the shaft sleeve; 13. a rotating bearing; 14. a limiting plate; 15. a first limit hole; 16. a first limit bolt; 17. a telescopic rod; 18. a second limiting hole; 19. a second limit bolt; 20. a second limit nut; 21. a second fixing nut; 22. a second gasket; 23. connecting holes; 24. a third fixing bolt; 25. a third fixing nut; 26. a connecting rod; 27. a limiting block; 28. a fastening spring; 29. reinforcing the bolt; 30. a fourth fixing nut; 31. a third gasket; 32. rubber antislip strips.
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 (b): as shown in figures 1-7, a screw joint applied to a building support and hanger fastener comprises a fixed top plate 1, a telescopic sleeve 2, a rotating member 3, a joint body 4, an upper buckle plate 5 and a lower buckle plate 6, wherein first fixing bolts 7 are fixedly inserted at four corners of the fixed top plate 1, an expansion bolt pipe 8 is connected with the outer side of each first fixing bolt 7 in a threaded manner, a fixed shaft sleeve 12 is arranged at the bottom of the fixed top plate 1, a rotating bearing 13 is rotatably connected with the fixed shaft sleeve 12, the telescopic sleeve 2 is fixedly inserted in the rotating bearing 13, a telescopic rod 17 is movably inserted in the telescopic sleeve 2, a second fixing nut 21 is connected with the bottom of the telescopic rod 17 in a threaded manner, a connecting hole 23 is formed in the top of the rotating member 3, the telescopic rod 17 is fixedly inserted in the connecting hole 23, the joint body 4 is arranged in the rotating member 3, a third fixing bolt 24 is inserted between the rotating member 3 and the joint body 4, and a third fixing nut 25 is connected with the third fixing bolt 24 in a threaded manner, the bottom of the connector body 4 is in threaded connection with a connecting rod 26, an upper buckle plate 5 and a lower buckle plate 6 are sleeved below the connecting rod 26, and a fourth fixing nut 30 is arranged on the upper buckle plate 5 and the lower buckle plate 6.
The first gasket 9 is sleeved on the first fixing bolt 7, the second gasket 22 is sleeved on the telescopic rod 17, and the third gaskets 31 are arranged between the fourth fixing nut 30 and the upper buckle plate 5 and between the fourth fixing nut 30 and the lower buckle plate 6, so that the first fixing bolt 7, the second fixing nut 21 and the fourth fixing nut 30 can be effectively prevented from slipping; the left side and the right side of the fixed top plate 1 are both provided with side plates 10, and the top of the fixed top plate 1 is provided with a bolt tube base plate 11, so that the firmness of the installation of the fixed top plate 1 and a wall body is improved, and the height of a bulge of an expansion bolt can be compensated; a limiting plate 14 is fixedly connected to the top of the rotating bearing 13, first limiting holes 15 are formed in the limiting plate 14 and the fixed shaft sleeve 12, and a first limiting bolt 16 is connected to the first limiting hole 15 in an internal thread mode and plays a limiting role in limiting the rotation of the telescopic sleeve 2; the telescopic tube 2 and the telescopic rod 17 are both provided with a second limiting hole 18, a second limiting bolt 19 is fixedly inserted in the second limiting hole 18, and a second limiting nut 20 is connected to the second limiting bolt 19 in a threaded manner, so that the connecting rod 26 is limited; the top end of the connecting rod 26 is fixedly connected with a limiting block 27, the limiting block 27 is movably clamped with the joint body 4, and a fastening spring 28 is fixedly connected between the top of the limiting block 27 and the joint body 4, so that the firmness of the connection between the joint body 4 and the connecting rod 26 is effectively improved; the joint body 4 is in threaded connection with a reinforcing bolt 29, so that the connecting rod 26 can be effectively prevented from rotating; the inner ends of the upper pinch plate 5 and the lower pinch plate 6 are provided with rubber anti-slip strips 32; the fixed top plate 1, the telescopic sleeve 2, the rotating part 3, the joint body 4, the upper buckle plate 5 and the lower buckle plate 6 are all sprayed with antirust paint, and the corrosion resistance of the structure is favorably improved.
Specifically, when the connector is used, the connector is convenient to mount and dismount through the split design of the fixed top plate 1, the telescopic sleeve 2, the rotating part 3, the connector body 4, the upper buckle plate 5 and the lower buckle plate 6, the stability is higher, and the construction progress is effectively improved; after the completion of assembling, design through first fixing bolt 7 and expansion bolt pipe 8 is installed fixed roof 1, design through fixed axle sleeve 12 and rolling bearing 13, can adjust the direction of installation, can adjust installation angle through the rotation effect that rotates piece 3 and joint body 4, and utilize third fixing bolt 24 and third fixation nut 25 to fix the angle, the activity grafting effect through telescopic tube 2 and telescopic link 17 simultaneously, can adjust mounting height, carry out threaded connection through rotating connecting rod 26 and joint body 4, conveniently carry out the fine tuning.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (9)
1. The utility model provides a be applied to screw rod of building gallows fastener and connect, includes fixed roof (1), telescope tube (2), rotates piece (3), connects body (4), goes up buckle (5) and buckle (6) down, its characterized in that: the fixing device is characterized in that first fixing bolts (7) are fixedly inserted at four corners of the fixing top plate (1), an expansion bolt pipe (8) is connected to the outer side of each first fixing bolt (7) in a threaded manner, a fixing shaft sleeve (12) is arranged at the bottom of the fixing top plate (1), a rotating bearing (13) is connected to the fixing shaft sleeve (12) in a rotating manner, a telescopic sleeve (2) is fixedly inserted into the rotating bearing (13), a telescopic rod (17) is movably inserted into the telescopic sleeve (2), a second fixing nut (21) is connected to the bottom of the telescopic rod (17) in a threaded manner, a connecting hole (23) is formed in the top of the rotating piece (3), the telescopic rod (17) is fixedly inserted into the connecting hole (23), a connector body (4) is arranged in the rotating piece (3), and a third fixing bolt (24) is inserted between the rotating piece (3) and the connector body (4), threaded connection has third fixation nut (25) on third fixing bolt (24), connect body (4) bottom threaded connection has connecting rod (26), connecting rod (26) below cover is equipped with buckle (5) and lower buckle (6), all be equipped with fourth fixation nut (30) on going up buckle (5) and lower buckle (6).
2. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the cover is equipped with first gasket (9) on first fixing bolt (7), the cover is equipped with second gasket (22) on telescopic link (17), fourth fixation nut (30) and last buckle (5) all are equipped with third gasket (31) down between buckle (6).
3. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the left side and the right side of the fixed top plate (1) are respectively provided with a side plate (10), and the top of the fixed top plate (1) is provided with a bolt tube base plate (11).
4. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the top of the rotating bearing (13) is fixedly connected with a limiting plate (14), first limiting holes (15) are formed in the limiting plate (14) and the fixed shaft sleeve (12), and first limiting bolts (16) are connected to the first limiting holes (15) in an internal thread mode.
5. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the telescopic sleeve (2) and the telescopic rod (17) are both provided with a second limiting hole (18), a second limiting bolt (19) is fixedly inserted in the second limiting hole (18), and a second limiting nut (20) is connected to the second limiting bolt (19) in a threaded manner.
6. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: connecting rod (26) top fixedly connected with stopper (27), stopper (27) with connect body (4) activity joint, stopper (27) top and connect fixedly connected with fastening spring (28) between body (4).
7. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the joint body (4) is in threaded connection with a reinforcing bolt (29).
8. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the inner ends of the upper buckle plate (5) and the lower buckle plate (6) are provided with rubber anti-skid strips (32).
9. The screw joint applied to a building support and hanger fastener as claimed in claim 1, wherein: the anti-rust paint is sprayed on the outer sides of the fixed top plate (1), the telescopic sleeve (2), the rotating piece (3), the joint body (4), the upper buckle plate (5) and the lower buckle plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540280.5A CN113188022A (en) | 2021-05-18 | 2021-05-18 | Be applied to screw rod of a building gallows fastener and connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540280.5A CN113188022A (en) | 2021-05-18 | 2021-05-18 | Be applied to screw rod of a building gallows fastener and connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113188022A true CN113188022A (en) | 2021-07-30 |
Family
ID=76982588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540280.5A Pending CN113188022A (en) | 2021-05-18 | 2021-05-18 | Be applied to screw rod of a building gallows fastener and connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113188022A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206007862U (en) * | 2016-08-30 | 2017-03-15 | 浙江嘉禾建设有限公司 | Fire protection pipeline support |
| CN206268620U (en) * | 2016-10-11 | 2017-06-20 | 河南大森机电股份有限公司 | A kind of Multifunctional safe type suspension and support |
| CN207935248U (en) * | 2018-03-05 | 2018-10-02 | 上海弗络肯建筑科技有限公司 | A kind of screw rod connector of adjustable-angle |
| KR101983634B1 (en) * | 2019-03-25 | 2019-05-29 | (주)삼우전기컨설턴트 | Electric cable tray for apartment house and building |
| CN111779915A (en) * | 2020-07-16 | 2020-10-16 | 石研研 | Basement electrical equipment pipeline hanger system |
| CN212005058U (en) * | 2019-12-27 | 2020-11-24 | 江苏华镁电力设备有限公司 | Constant force spring support hanger |
| CN212338414U (en) * | 2020-03-04 | 2021-01-12 | 青岛新城发展建筑工程有限公司 | Corridor gallows convenient to installation |
| CN212361316U (en) * | 2020-03-12 | 2021-01-15 | 重庆建工住宅建设有限公司 | Building machine electricity gallows |
-
2021
- 2021-05-18 CN CN202110540280.5A patent/CN113188022A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206007862U (en) * | 2016-08-30 | 2017-03-15 | 浙江嘉禾建设有限公司 | Fire protection pipeline support |
| CN206268620U (en) * | 2016-10-11 | 2017-06-20 | 河南大森机电股份有限公司 | A kind of Multifunctional safe type suspension and support |
| CN207935248U (en) * | 2018-03-05 | 2018-10-02 | 上海弗络肯建筑科技有限公司 | A kind of screw rod connector of adjustable-angle |
| KR101983634B1 (en) * | 2019-03-25 | 2019-05-29 | (주)삼우전기컨설턴트 | Electric cable tray for apartment house and building |
| CN212005058U (en) * | 2019-12-27 | 2020-11-24 | 江苏华镁电力设备有限公司 | Constant force spring support hanger |
| CN212338414U (en) * | 2020-03-04 | 2021-01-12 | 青岛新城发展建筑工程有限公司 | Corridor gallows convenient to installation |
| CN212361316U (en) * | 2020-03-12 | 2021-01-15 | 重庆建工住宅建设有限公司 | Building machine electricity gallows |
| CN111779915A (en) * | 2020-07-16 | 2020-10-16 | 石研研 | Basement electrical equipment pipeline hanger system |
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Application publication date: 20210730 |
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| RJ01 | Rejection of invention patent application after publication |