CN110042931A - A kind of Construction of Civil Engineering anchor structure - Google Patents
A kind of Construction of Civil Engineering anchor structure Download PDFInfo
- Publication number
- CN110042931A CN110042931A CN201910358979.2A CN201910358979A CN110042931A CN 110042931 A CN110042931 A CN 110042931A CN 201910358979 A CN201910358979 A CN 201910358979A CN 110042931 A CN110042931 A CN 110042931A
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- Prior art keywords
- fixed
- groups
- fixedly connected
- threaded post
- plate
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- 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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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 230000008844 regulatory mechanism Effects 0.000 claims abstract description 10
- 230000033228 biological regulation Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 13
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of Construction of Civil Engineering anchor structures, it is related to anchorage technology field, including fixed plate and stable regulation mechanism, the stable regulation structure is installed on the upper surface of fixed plate, the stable regulation mechanism includes loop coil, fixed bolt, threaded post, connecting rod, fixed ring, fixed cylinder, bearing, torque spring, movable plate, limit plate, shrinkage pool, sliding slot, sliding block and stability column, two groups of symmetrical fixed cylinders are fixedly installed in the upper surface of fixed plate, two groups of fixed bolts are respectively arranged at the inside of two groups of fixed cylinders, two groups of movable plates are respectively arranged at the inside of two groups of fixed cylinders.The Construction of Civil Engineering anchor structure, pass through the setting of stable regulation mechanism, the positional distance between two groups of fixed bolts can effectively be kept, and four studs being capable of lift adjustment simultaneously, after avoiding insertion cement, the height of stud is difficult to unification and position glances off, the problem of needing staff to manually adjust, use are more convenient.
Description
Technical field
The present invention relates to anchorage technology field, specially a kind of Construction of Civil Engineering anchor structure.
Background technique
The anchoring of reinforcing bar refers to that reinforcing bar is wrapped in concrete, enhances the connection of concrete and rebar, makes building more
Securely, it is therefore an objective to work together the two can to undertake various stress and (cooperate and bear to generate pressure, drawing from various loads
Power and moment of flexure, torque etc.).
Civil engineering is to build the general designation of the science and technology of all kinds of land engineering facilities, it had both referred to applied material, has set
The technical activities such as standby and the exploration, design, construction, maintenance, the maintenance that are carried out, also refer to the object of engineering construction, civil engineering is built
Making used in process to anchor structure is usually four individual fixed bolts, realizes and first digs out a hole on ground,
Cement is injected in hole, and inside four fixed bolt insertion cement, after theing cement solidifies, steel knot is connected on fixed bolt
Structure, this mode, it is difficult to it is effective to keep the distance between stud, and be inserted into after cement, the height of stud is difficult to unification, needs
Staff is wanted to manually adjust, using being more troublesome, for this purpose, we provide a kind of Construction of Civil Engineering to be solved with anchor structure
Certainly this problem.
Summary of the invention
The object of the present invention is to provide a kind of Construction of Civil Engineering anchor structures, when having installation, between fixed bolt
Distance fix, and four studs lift adjustment, advantage easy to use can solve simultaneously and be difficult to effectively keep stud
The distance between, and be inserted into after cement, the height of stud is difficult to unification, needs staff to manually adjust, use is more numb
Tired problem.
The present invention is in order to solve the above technical problems, provide the following technical solutions: a kind of Construction of Civil Engineering anchor structure,
Including fixed plate and stable regulation mechanism, the stable regulation structure is installed on the upper surface of fixed plate, the stable regulation machine
Structure include loop coil, fixed bolt, threaded post, connecting rod, fixed ring, fixed cylinder, bearing, torque spring, movable plate, limit plate,
Shrinkage pool, sliding slot, sliding block and stability column, two groups of symmetrical fixed cylinders are fixedly installed in the upper surface of fixed plate, and two groups are fixed
Stud is respectively arranged at the inside of two groups of fixed cylinders, and two groups of movable plates are respectively arranged at the inside of two groups of fixed cylinders, and movable plate
Upper surface be fixedly connected with the bottom surface of fixed bolt, two sliding slots are opened in the inside of fixed cylinder, and two sliding blocks are clamped respectively
In the inside of two sliding slots, two sliding blocks one end close to each other is fixedly connected with the outer surface of movable plate, stabilized fixation
It is installed on the inner bottom wall of fixed cylinder, shrinkage pool is opened in the bottom surface of fixed bolt, and the top of stability column through movable plate and extends to
The inside of shrinkage pool, limit plate is set to the inside of shrinkage pool, and the bottom surface of limit plate is fixedly connected with the upper surface of stability column, fixed
The top of stud runs through fixed cylinder and extends to the outside of fixed cylinder.
The fixed upper surface for being embedded in fixed plate of the bearing, the top of threaded post are fixedly connected with the inner ring of bearing, turn round
Power spring wrap is fixedly connected in the outer surface of threaded post, the bottom end of torque spring with the upper surface of fixed plate, torque spring
Top is fixedly connected with the outer surface of threaded post, and loop coil is sheathed on the outer surface of threaded post, and the inner ring of loop coil and threaded post
Outer surface thread connection, two groups of connecting rods one end close to each other are fixedly connected with the outer surface of loop coil, two groups of fixed rings point
It is not sheathed on the outer surface of fixing bolt, and the inner ring of fixed ring is fixedly connected with the outer surface of fixing bolt, two groups of connecting rods
The one end being located remotely from each other is fixedly connected with the outer surface of two groups of fixed rings respectively.
Further, the top of the threaded post is fixedly connected with turntable, and the size of the turntable bottom surface is greater than threaded post
The size on top.
Further, the upper surface of the turntable is fixedly connected with handle, and the outer surface of the handle is rough-shape.
Further, the handle side setting limit stud, it is described limit stud bottom end through turntable and with even
The upper surface of extension bar is threadedly coupled.
Further, four edges of the bottom surface of the fixed plate are fixedly connected to gag lever post, each limit
The bottom end of bar is in tip-angled shape.
Further, the threaded post is located between two groups of fixed cylinders, and threaded post and fixed cylinder are located at same level height
Degree.
In use, anchor structure is put into hole in one hole of the top of ground digging, passes through and rotate spiral shell by user of service first
Threaded relation occurs for the screw thread of line column, loop coil and screw thread outer surface of column that screw thread outer surface of column is arranged, and connecting rod is driven to carry out
Lift adjustment drives fixed ring to carry out lift adjustment when connecting rod lift adjustment, so that the fixing bolt installed inside fixed ring
Carry out lift adjustment, enable four studs simultaneously lift adjustment, avoid insertion cement after, the height of stud is difficult to unite
One, need staff to manually adjust, by the setting of fixed plate and connecting rod, can effectively ensure that two groups of fixing bolts it
Between distance, avoid leading to deviation occur because of external force, causing to the cement solidifies only is enough difficult to answer with the double-void on steel construction, when making
When with personnel's height that the height adjustment of fixing bolt is excessively high, torque spring can be made to utilize itself by unclamping threaded post
Torsion drives threaded post reversion, so that making the height of fixed bolt reduces, adjusts after completing, will be in spacing volution and connecting rod
Screw hole threaded connection limited, inject cement later, complete installation.
Compared with prior art, the Construction of Civil Engineering anchor structure have it is following the utility model has the advantages that
1, the present invention uses personnel by being equipped between threaded post, loop coil, connecting rod, fixed ring and fixing bolt at that time
It, can be by rotating threaded post when anchor structure is put into hole, the loop coil and threaded post appearance that screw thread outer surface of column is set
Threaded relation occurs for the screw thread in face, and connecting rod is driven to carry out lift adjustment, and when connecting rod lift adjustment drives fixed ring to be risen
Falling tone section so that fixed ring inside install fixing bolt carry out lift adjustment, enable four studs simultaneously lift adjustment,
After avoiding insertion cement, the height of stud is difficult to unification, and staff is needed to manually adjust, and passes through fixed plate and connecting rod
Setting, can effectively ensure that the distance between two groups of fixing bolts, avoids leading to deviation occur because of external force, cause to the cement solidifies
Only enough it is difficult to answer with the double-void on steel construction.
2, the setting of the invention by torque spring, when user of service's height is excessively high by the height adjustment of fixing bolt,
Torque spring can be made to drive threaded post to invert using the torsion of itself, to make the height of fixed bolt by unclamping threaded post
Degree reduces.
3, the present invention by fixed cylinder, sliding slot, sliding block, movable plate, shrinkage pool, limit plate and it is stabilized between cooperation set
It sets, when fixed bolt carries out lift adjustment, so that movable plate band movable slider is in sliding slot internal slide, fixed bolt can later
Lift adjustment is carried out under stabilized limit limit, avoids fixed bolt from glancing off during life is by adjusting, causes
Fixed bolt is stuck, influences the adjusting of fixed bolt.
4, the present invention rotates threaded post by turntable convenient for staff, and simultaneously can by the setting of turntable
It is enough that loop coil is effectively avoided to be moved through more removal threaded posts, the normal use of anchor structure entirety is influenced, by the setting of handle, just
Turntable is rotated in user of service, and can effectively increase the frictional force between user of service's rotation turntable Shi Shouyu handle, is led to
The setting for crossing limit stud can be by limit stud to turning after user of service completes the height adjustment of fixed bolt
Disk is limited, and turntable is avoided to invert because of the torsion of torque spring.
5, the present invention is by the setting of stable regulation mechanism, can effectively keep position between two groups of fixed bolts away from
From, and four studs can lift adjustment simultaneously, after avoiding insertion cement, the height of stud is difficult to unification and position and occurs
Deflection, the problem of needing staff to manually adjust, use is more convenient.
Detailed description of the invention
Fig. 1 is the perspective view of the positive angle of fixed plate of the present invention；
Fig. 2 is side block diagram of the present invention；
Fig. 3 is fixed cylinder structure chart of the present invention；
Fig. 4 is overlooking structure figure of the present invention；
Fig. 5 is facing structure figure of the present invention.
In figure: 1- fixed plate, 2- stable regulation mechanism, 201- loop coil, 202- fixed bolt, 203- threaded post, 204- connect
Extension bar, 205- fixed ring, 206- fixed cylinder, 207- bearing, 208- torque spring, 209- movable plate, 210- limit plate, 211- are recessed
Hole, 212- sliding slot, 213- sliding block, 214- stability column, 3- handle, 4- turntable, 5- limit stud, 6- gag lever post.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of Construction of Civil Engineering anchor structure, including it is solid
Fixed board 1 and stable regulation mechanism 2, stable regulation structure 2 are installed on the upper surface of fixed plate 1, and stable regulation mechanism 2 includes loop coil
201, fixed bolt 202, threaded post 203, connecting rod 204, fixed ring 205, fixed cylinder 206, bearing 207, torque spring 208,
Movable plate 209, limit plate 210, shrinkage pool 211, sliding slot 212, sliding block 213 and stability column 214, two groups of symmetrical fixed cylinders 206
It is fixedly installed in the upper surface of fixed plate 1, two groups of fixed bolts 202 are respectively arranged at the inside of two groups of fixed cylinders 206, and two groups
Movable plate 209 is respectively arranged at the inside of two groups of fixed cylinders 206, and the bottom surface of the upper surface of movable plate 209 and fixed bolt 202
It is fixedly connected, two sliding slots 212 are opened in the inside of fixed cylinder 206, and two sliding blocks 213 are respectively engaged with two sliding slots 212
Inside, two sliding blocks 213 one end close to each other are fixedly connected with the outer surface of movable plate 209, and stabilized 214 are fixedly mounted
In the inner bottom wall of fixed cylinder 206, shrinkage pool 211 is opened in the bottom surface of fixed bolt 202, and movable plate is run through on the top of stability column 214
209 and the inside of shrinkage pool 211 is extended to, limit plate 210 is set to the inside of shrinkage pool 211, and the bottom surface of limit plate 210 and stabilization
The upper surface of column 214 is fixedly connected, and the top of fixed bolt 202 runs through fixed cylinder 206 and extends to the outside of fixed cylinder 206.
The fixed upper surface for being embedded in fixed plate 1 of bearing 207, the top of threaded post 203 and the fixed company of the inner ring of bearing 207
It connects, torque spring 208 is wound in the outer surface of threaded post 203, and the bottom end of torque spring 208 and the upper surface of fixed plate 1 are fixed
Connection, the top of torque spring 208 are fixedly connected with the outer surface of threaded post 203, and loop coil 201 is sheathed on the outer of threaded post 203
Surface, and the inner ring of loop coil 201 is connect with the outer surface thread of threaded post 203, two groups of one end close to each other of connecting rod 204 are equal
It is fixedly connected with the outer surface of loop coil 201, two groups of fixed rings 205 are sheathed on the outer surface of fixing bolt 202, and fixed ring respectively
205 inner ring is fixedly connected with the outer surface of fixing bolt 202, one end that two groups of connecting rods 204 are located remotely from each other respectively with two groups
The outer surface of fixed ring 205 is fixedly connected.
The top of threaded post 203 is fixedly connected with turntable 4, and the size of 4 bottom surface of turntable is greater than the big of 203 top of threaded post
It is small, threaded post 203 is rotated by turntable 4 convenient for staff, and it is more effectively to avoid loop coil 201 to be moved through simultaneously
Threaded post 203 is removed, the normal use of anchor structure entirety is influenced.
The upper surface of turntable 4 is fixedly connected with handle 3, and the outer surface of handle 3 is rough-shape, and personnel's rotation of being easy to use turns
Disk 4, and can effectively increase the frictional force between user of service's rotation 4 Shi Shouyu handle 3 of turntable.
The side setting limit stud 5 of handle 3, turntable 4 and the upper table with connecting rod 204 are run through in the bottom end of limit stud 5
Face is threadedly coupled, can be by limit stud 5 to turntable 4 after height adjustment of the user of service to fixed bolt 202 is completed
It is limited, turntable 4 is avoided to invert because of the torsion of torque spring 208.
Four edges of the bottom surface of fixed plate 1 are fixedly connected to gag lever post 6, and the bottom end of each gag lever post 6 is in point
Horn shape, when anchoring mechanism is put into hole by staff, four gag lever posts 6 are inserted into the inside of ground, improve stability,
Avoid injection Behavior of Hardened Cement Paste that anchoring mechanism is glanced off.
Threaded post 203 is located between two groups of fixed cylinders 206, and threaded post 203 and fixed cylinder 206 are located at same level height
Degree can effectively keep integrally-built stability, improve overall utility.
Claims (6)
1. a kind of Construction of Civil Engineering anchor structure, including fixed plate (1) and stable regulation mechanism (2), it is characterised in that: institute
The upper surface that stable regulation structure (2) is installed on fixed plate (1) is stated, the stable regulation mechanism (2) includes loop coil (201), consolidates
Determine stud (202), threaded post (203), connecting rod (204), fixed ring (205), fixed cylinder (206), bearing (207), torsion bullet
Spring (208), movable plate (209), limit plate (210), shrinkage pool (211), sliding slot (212), sliding block (213) and stability column (214), two
The symmetrical fixed cylinder (206) of group is fixedly installed in the upper surface of fixed plate (1), and two groups of fixed bolts (202) are respectively set
In the inside of two groups of fixed cylinders (206), two groups of movable plates (209) are respectively arranged at the inside of two groups of fixed cylinders (206), and activity
The upper surface of plate (209) is fixedly connected with the bottom surface of fixed bolt (202), and two sliding slots (212) are opened in fixed cylinder (206)
Inside, two sliding blocks (213) are respectively engaged with the inside of two sliding slots (212), and two sliding block (213) one end close to each other are equal
It is fixedly connected with the outer surface of movable plate (209), stabilized (214) are fixedly installed in the inner bottom wall of fixed cylinder (206), shrinkage pool
(211) it is opened in the bottom surface of fixed bolt (202), the top of stability column (214) through movable plate (209) and extends to shrinkage pool
(211) inside, limit plate (210) are set to the inside of shrinkage pool (211), and the bottom surface of limit plate (210) and stability column (214)
Upper surface be fixedly connected, the top of fixed bolt (202) is through fixed cylinder (206) and extends to the outsides of fixed cylinder (206)；
The fixed upper surface for being embedded in fixed plate (1) of the bearing (207), the top of threaded post (203) are interior with bearing (207)
Circle is fixedly connected, and torque spring (208) is wound in the outer surface of threaded post (203), the bottom end of torque spring (208) and fixed plate
(1) upper surface is fixedly connected, and the top of torque spring (208) is fixedly connected with the outer surface of threaded post (203), loop coil
(201) it is sheathed on the outer surface of threaded post (203), and the inner ring of loop coil (201) and the outer surface thread of threaded post (203) connect
It connects, two groups of connecting rods (204) one end close to each other is fixedly connected with the outer surface of loop coil (201), two groups of fixed rings (205)
It is sheathed on the outer surface of fixing bolt (202) respectively, and the outer surface of the inner ring of fixed ring (205) and fixing bolt (202) is solid
Fixed connection, one end that two groups of connecting rods (204) are located remotely from each other is fixedly connected with the outer surface of two groups of fixed rings (205) respectively.
2. a kind of Construction of Civil Engineering anchor structure according to claim 1, it is characterised in that: the threaded post
(203) top is fixedly connected with turntable (4), and the size of turntable (4) bottom surface is greater than the size on threaded post (203) top.
3. a kind of Construction of Civil Engineering anchor structure according to claim 2, it is characterised in that: the turntable (4)
Upper surface is fixedly connected with handle (3), and the outer surface of the handle (3) is rough-shape.
4. a kind of Construction of Civil Engineering anchor structure according to claim 3, it is characterised in that: the handle (3)
Turntable (4) and the upper surface spiral shell with connecting rod (204) are run through in the bottom end of side setting limit stud (5), limit stud (5)
Line connection.
5. a kind of Construction of Civil Engineering anchor structure according to claim 1, it is characterised in that: the fixed plate (1)
Four edges of bottom surface be fixedly connected to gag lever post (6), the bottom end of each gag lever post (6) is in tip-angled shape.
6. a kind of Construction of Civil Engineering anchor structure according to claim 1, it is characterised in that: the threaded post
(203) it is located between two groups of fixed cylinders (206), and threaded post (203) and fixed cylinder (206) are located at same level height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358979.2A CN110042931B (en) | 2019-04-30 | 2019-04-30 | Anchoring structure for civil engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358979.2A CN110042931B (en) | 2019-04-30 | 2019-04-30 | Anchoring structure for civil engineering construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110042931A true CN110042931A (en) | 2019-07-23 |
| CN110042931B CN110042931B (en) | 2020-09-15 |
Family
ID=67280371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358979.2A Active CN110042931B (en) | 2019-04-30 | 2019-04-30 | Anchoring structure for civil engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110042931B (en) |
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|---|---|---|---|---|
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| CA2752597A1 (en) * | 2011-09-09 | 2013-03-09 | Dean R. Rosendahl | Mounting a base plate on upstanding fasteners of a support |
| CN205663228U (en) * | 2016-06-02 | 2016-10-26 | 中国新兴建筑工程总公司 | Ground auxiliary stay levelling device |
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| CN107386457A (en) * | 2017-08-24 | 2017-11-24 | 中太建设集团股份有限公司 | A kind of built-in fitting in cast-in-situ concrete member |
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| CN206784606U (en) * | 2017-06-05 | 2017-12-22 | 北京爱尔达电子设备有限公司 | Adjustable built-in fitting |
| CN207314884U (en) * | 2017-09-17 | 2018-05-04 | 王建立 | A kind of eyelid retractor for building easy to adjusting height |
| CN109025013A (en) * | 2012-12-07 | 2018-12-18 | 伊利诺斯工具制品有限公司 | Curtain wall panel bracket leveling system |
| CN208595921U (en) * | 2018-05-06 | 2019-03-12 | 郑州科技学院 | A kind of support device of the civil engineering surveying with high fine-tuning function |
-
2019
- 2019-04-30 CN CN201910358979.2A patent/CN110042931B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007211514A (en) * | 2006-02-10 | 2007-08-23 | Shoji Matsuzawa | Method and device for constructing foundation, and anchor bolt support device for construction |
| JP2008150851A (en) * | 2006-12-18 | 2008-07-03 | Act Co Ltd | Anchor bolt support |
| JP4945230B2 (en) * | 2006-12-18 | 2012-06-06 | 株式会社アクト | Anchor bolt support |
| CA2752597A1 (en) * | 2011-09-09 | 2013-03-09 | Dean R. Rosendahl | Mounting a base plate on upstanding fasteners of a support |
| CN109025013A (en) * | 2012-12-07 | 2018-12-18 | 伊利诺斯工具制品有限公司 | Curtain wall panel bracket leveling system |
| CN205663228U (en) * | 2016-06-02 | 2016-10-26 | 中国新兴建筑工程总公司 | Ground auxiliary stay levelling device |
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| CN206748100U (en) * | 2017-04-26 | 2017-12-15 | 重庆航恩机械有限公司 | A kind of grinding out fixture of gear ring |
| CN206784606U (en) * | 2017-06-05 | 2017-12-22 | 北京爱尔达电子设备有限公司 | Adjustable built-in fitting |
| CN107386457A (en) * | 2017-08-24 | 2017-11-24 | 中太建设集团股份有限公司 | A kind of built-in fitting in cast-in-situ concrete member |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110042931B (en) | 2020-09-15 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190723 Assignee: Luoyang new materials Co.,Ltd. Assignor: LUOYANG INSTITUTE OF SCIENCE AND TECHNOLOGY Contract record no.: X2020980009146 Denomination of invention: An anchorage structure for civil engineering construction Granted publication date: 20200915 License type: Common License Record date: 20201211 |
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