CN108360533A - Gad block fixing device - Google Patents
Gad block fixing device Download PDFInfo
- Publication number
- CN108360533A CN108360533A CN201810331351.9A CN201810331351A CN108360533A CN 108360533 A CN108360533 A CN 108360533A CN 201810331351 A CN201810331351 A CN 201810331351A CN 108360533 A CN108360533 A CN 108360533A
- Authority
- CN
- China
- Prior art keywords
- wedge block
- lower wedge
- upper voussoir
- block
- voussoir
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 62
- 238000007906 compression Methods 0.000 claims abstract description 62
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
- Connection Of Plates (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of gad block fixing device, bracing members are fixed in the groove for being used to be inserted into the movable end of bracing members to be fixed.Gad block fixing device includes：Upper voussoir, lower wedge block and connection component.Upper voussoir includes upper voussoir compression face and upper voussoir slide surface, and upper voussoir compression face and upper voussoir slide surface are away from each other, and upper voussoir compression face is used for an inner wall of the groove by the movable end for being pressed on bracing members to be fixed.Lower wedge block includes lower wedge block compression face and lower wedge block slide surface, lower wedge block compression face and lower wedge block slide surface are away from each other, lower wedge block compression face is used for another inner wall of the groove by the movable end for being pressed on bracing members to be fixed, and upper voussoir slide surface can be bonded to each other with lower wedge block slide surface.Upper voussoir can be fixed on lower wedge block by connection component.After the present invention can ensure that upper voussoir compresses bracing members with lower wedge block, it will not be slid between upper voussoir and lower wedge block.
Description
Technical field
The present invention relates to a kind of gad block fixing devices.
Background technology
Gad block is the indispensable component that bracing members are fixed in foundation pit construction, is inserted into the rectangular recess of the movable end of bracing members
Among, to provide axial support force to bracing members.A pair of wedge-shaped gad is at least set in order to easy for construction, in one group of gad block
Block.Mutually sliding can adjust the length in its horizontal direction between two inclined-planes by making a pair of wedge-shaped gad block, to reach
The purpose being fully filled to the groove of the movable end of bracing members so realizes the free movable work of movable end of limitation bracing members
With.
Conventional wedge-shaped gad block keeps stability when stress by mutual friction self-locking characteristic, therefore
Voussoir inclined-plane tilts cannot be too big.If inclined-plane tilts too big be easy so that generating sliding between gad block so that bracing members
Enabling capabilities reduce, or even failure.But even if bevel inclination angle is little, when excavation of foundation pit, in complicated force environment state
Under, gad block still has the possibility of sliding.
Invention content
The technical problem to be solved by the present invention is to be used to fasten the wedge-shaped gad blocks of bracing members in the prior art to overcome
Relative sliding may occur, influence the defect of the stability of bracing members, bracing members can be fixed and phase will not occur by providing one kind
To the gad block fixing device of sliding.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of gad block fixing device fixes steel branch in the groove for being used to be inserted into the movable end of bracing members to be fixed
Support, the gad block fixing device include：
Upper voussoir, the upper voussoir include upper voussoir compression face and upper voussoir slide surface, the upper voussoir compression face and institute
It states voussoir slide surface to be away from each other, the upper voussoir compression face is for the groove by the movable end for being pressed on bracing members to be fixed
One inner wall；
Lower wedge block, the lower wedge block include lower wedge block compression face and lower wedge block slide surface, the lower wedge block compression face and institute
It states lower wedge block slide surface to be away from each other, the lower wedge block compression face is for the groove by the movable end for being pressed on bracing members to be fixed
Another inner wall, the upper voussoir slide surface can be bonded to each other with the lower wedge block slide surface, and the upper voussoir can be along described
The extending direction of lower wedge block slide surface slides, and the distance between the upper voussoir compression face and the lower wedge block compression face are with described
Upper voussoir slides and changes；
Connection component, the upper voussoir can be fixed on the lower wedge block by the connection component.
Preferably, the connection component includes connecting rod and nut, a connecting hole, the connection are provided on the upper voussoir
One end of bar is fixed relative to the lower wedge block, and the other end of the connecting rod is equipped with external screw thread, and the connecting rod passes through described
Connecting hole is threadedly connected to the nut.
In the present solution, can ensure the company of being kept fixed between upper voussoir and lower wedge block using connecting rod and nut structure
It connects.Meanwhile gad block fixing device also retains the characteristic that conventional gad block relies on upper lower wedge block slide surface friction self-locking.
Preferably, the connecting hole is slotted hole, the axial direction for being axially parallel to the connecting hole of the connecting rod, along institute
The extending direction of the major diameter of connecting hole is stated, the connecting rod can be moved with the upper voussoir sliding relative to the connecting hole.
In the present solution, oval pore structure, which can avoid sliding upper voussoir, generates interference.
Preferably, the upper voussoir compression face and the lower wedge block compression face are parallel, the connecting rod is parallel to described
Upper voussoir compression face, the connecting rod are located at the outside of the lower wedge block slide surface, and the axis of the connecting rod is in the hyposphene
Projection on block slide surface is parallel to the glide direction of the upper voussoir.
In the present solution, connecting rod is parallel to upper voussoir compression face and lower wedge block compression face, can ensure connecting rod with it is upper
Interference is not will produce between voussoir compression face, lower wedge block compression face.
Preferably, the connecting rod is located at the outside of the lower wedge block slide surface, the axis of the connecting rod is under described
Projection on voussoir slide surface is parallel to the glide direction of the upper voussoir and the centre position positioned at the lower wedge block slide surface；
Projection of the axis of the connecting hole on the upper voussoir slide surface is positioned at the centre of the upper voussoir slide surface
Position.
Preferably, being fixed with a guide part on the lower wedge block slide surface, described lead is fixed in one end of the connecting rod
To portion, the connecting hole passes through the upper voussoir slide surface and forms a groove, and the guide part can be with the groove phase
Match.
In the present solution, guide part can be with groove match, voussoir is accurate with respect to the direction that lower wedge block slides in guarantee.
Preferably, the lower wedge block further includes top and bottom, the bottom at the top of the lower wedge block and the lower wedge block
In the glide direction of the upper voussoir；
The upper voussoir further includes top and bottom, and the bottom of the top of the upper voussoir and the upper voussoir is located at described
In the glide direction of upper voussoir；
The bottom of the upper voussoir is opposite with the top of the lower wedge block, and the bottom of the upper voussoir is fixed with upper limit
Block, the upper limit position block can be connected to the top of the lower wedge block；
And/or the bottom of the lower wedge block is fixed with lower position block, the lower position block can be connected to the upper voussoir
Top.
In the present solution, upper limit position block, lower position block are all used to play restriction effect to the slide displacement amount of upper voussoir.
Preferably, the lower wedge block further includes lower wedge block side, the lower wedge block side is connected to the lower wedge block and is pressurized
Face and the lower wedge block slide surface, the lower wedge block side are equipped with lower limit column；
And/or the upper voussoir further includes upper voussoir side, the upper voussoir side is connected to the upper voussoir compression face
With the upper voussoir slide surface, the upper voussoir side is equipped with upper limit column.
In the present solution, lower limit column and upper limit column are used to prevent lower wedge block and upper voussoir from bracing members to be fixed
It is slid in the groove of movable end.
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined arbitrarily to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that：
It can be relatively moved between upper voussoir and lower wedge block, to change above between voussoir compression face and lower wedge block compression face
Distance so that the groove of the movable end of bracing members to be tightened is fully filled；Meanwhile upper voussoir can by connection component
It is fixed on lower wedge block, after ensureing that upper voussoir compresses bracing members with lower wedge block, will not be slided between upper voussoir and lower wedge block
It moves.
Description of the drawings
Fig. 1 is structural schematic diagram of the gad block fixing device under a location status during the present invention is preferably implemented.
Fig. 2 is structural schematic diagram of the gad block fixing device under the state of another location during the present invention is preferably implemented.
Fig. 3 is to remove the structural schematic diagram after upper voussoir during the present invention is preferably implemented in gad block fixing device.
Fig. 4 is the structural schematic diagram of upper voussoir during the present invention is preferably implemented.
Fig. 5 is the structure in the groove for the movable end that gad block fixing device is installed on bracing members during the present invention is preferably implemented
Schematic diagram, wherein dotted line indicates internal structure.
Reference sign：
Upper voussoir 100
Upper voussoir compression face 110
Upper voussoir slide surface 120
Connecting hole 130
Groove 140
Upper limit position block 150
Upper limit column 160
Upper voussoir side 170
Lower wedge block 200
Lower wedge block compression face 210
Lower wedge block slide surface 220
Lower position block 230
Lower limit column 240
Lower wedge block side 250
Connection component 300
Connecting rod 310
Nut 320
Guide part 400
Bracing members 500
Specific implementation mode
The embodiment for further illustrating the present invention, but therefore not limiting the present invention to below by the mode of embodiment
Among range.
Figures 1 and 2 show that a kind of gad block fixing device, is used to be inserted into the movable end of bracing members 500 to be fixed
Groove in fix bracing members.Gad block fixing device includes：Upper voussoir 100, lower wedge block 200 and connection component 300.Upper voussoir
100 include upper voussoir compression face 110 and upper voussoir slide surface 120, and upper voussoir compression face 110 and upper voussoir slide surface 120 are opposite
From upper voussoir compression face 110 is used for an inner wall of the groove by the movable end for being pressed on bracing members 500 to be fixed.Lower wedge block 200
Including lower wedge block compression face 210 and lower wedge block slide surface 220, lower wedge block compression face 210 and lower wedge block slide surface 220 are away from each other,
Lower wedge block compression face 210 is used for another inner wall of the groove by the movable end for being pressed on bracing members 500 to be fixed, upper voussoir sliding
Face 120 can be bonded to each other with lower wedge block slide surface 220, and upper voussoir 100 can be slided along the extending direction of lower wedge block slide surface 220
Dynamic, the distance between upper voussoir compression face 110 and lower wedge block compression face 210 slide with upper voussoir 100 and are changed；Upper voussoir 100
It can be fixed on lower wedge block 200 by connection component 300.
In the present embodiment, connection component 300 includes connecting rod 310 and nut 320, and a connection is provided on upper voussoir 100
The one end in hole 130, connecting rod 310 is fixed relative to lower wedge block 200, and the other end of connecting rod 310 is equipped with external screw thread, connecting rod
310 are threadedly connected to nut 320 across connecting hole 130.
In the groove that gad block fixing device is inserted into the movable end of bracing members 500 to be fixed, to fix the steel branch
When supportting 500：Upper voussoir slide surface 120 and lower wedge block slide surface 220 mutually abut, and force in voussoir 100 or lower wedge block 200,
So that voussoir 100 is generated sliding with respect to lower wedge block 200, and then causes between voussoir compression face 110 and lower wedge block compression face 210
Distance increase, to compress the bracing members 500.At this point, using 320 structure of connecting rod 310 and nut, by 100 He of upper voussoir
Lower wedge block 200 is fixed to each other, when to ensure that the axial force in the movable end of bracing members 500 to be fixed changes, upper wedge
Will not be slid between block 100 and lower wedge block 200, to ensure gad block fixing device fastening effect reliability.
In addition, connecting hole 130 is slotted hole, the axial direction for being axially parallel to connecting hole 130 of connecting rod 310, along connecting hole
The extending direction of 130 major diameter, connecting rod 310 can be slided with upper voussoir 100 to be moved relative to connecting hole 130.Upper voussoir is pressurized
Face 110 and lower wedge block compression face 210 are parallel, and connecting rod 310 is parallel to voussoir compression face 110, and connecting rod 310 is located at hyposphene
The outside of block slide surface 220, the projection of the axis of connecting rod 310 on lower wedge block slide surface 220 are parallel to the cunning of upper voussoir 100
Dynamic direction.
When upper voussoir 100 generates sliding with respect to lower wedge block 200, connecting rod 310 can be moved along the major diameter direction of slotted hole
It is dynamic, generate interference to ensure that connecting hole 130 will not slide upper voussoir 100.Meanwhile connecting rod 310 be parallel to voussoir by
Pressure surface 110 and lower wedge block compression face 210, can ensure connecting rod 310 and upper voussoir compression face 110, lower wedge block compression face 210 it
Between not will produce interference.
Connecting rod 310 is located at the outside of lower wedge block slide surface 220, and the axis of connecting rod 310 is on lower wedge block slide surface 220
Projection be parallel to voussoir 100 glide direction and positioned at lower wedge block slide surface 220 centre position.The axis of connecting hole 130
Projection of the line on upper voussoir slide surface 120 is positioned at the centre position of upper voussoir slide surface 120.Connecting rod 310 and connecting hole 130
It is located at the centre position of lower wedge block slide surface 220 and upper voussoir slide surface 120, to enhance connecting rod 310 and connecting hole
The reliability of 130 connections, avoids connection structure from failing.
Understood incorporated by reference to Fig. 3 and Fig. 4, a guide part 400 is fixed on lower wedge block slide surface 220, connecting rod 310
Guide part 400 is fixed in one end, and connecting hole 130 passes through upper voussoir slide surface 120 and forms a groove 140, and guide part 400 can
Match with groove 140.Guide part 400 can match with groove 140, and voussoir 100 slides with respect to lower wedge block 200 in guarantee
Direction is accurate.
In addition, lower wedge block 200 further includes top and bottom, the top of lower wedge block 200 and the bottom of lower wedge block 200 are positioned at upper
In the glide direction of voussoir 100.Upper voussoir 100 further includes top and bottom, the bottom at the top of upper voussoir 100 and upper voussoir 100
Portion is located in the glide direction of upper voussoir 100.The bottom of upper voussoir 100 is opposite with the top of lower wedge block 200, upper voussoir 100
Bottom is fixed with upper limit position block 150, and upper limit position block 150 can be connected to the top of lower wedge block 200.The bottom of lower wedge block 200 is solid
There are lower position block 230, lower position block 230 that can be connected to the top of voussoir 100 surely.
Upper limit position block 150, lower position block 230 are all used to play restriction effect to the slide displacement amount of upper voussoir 100.In this reality
It applies in example, when upper limit position block 150 is connected to the top of lower wedge block 200, lower position block 230 is connected to the top of voussoir 100.
In other alternative embodiments, upper limit position block 150 or lower position block 230 can be only arranged in gad block fixing device.
In addition, lower wedge block 200 further includes lower wedge block side 250, lower wedge block side 250 is connected to lower wedge block compression face 210
With lower wedge block slide surface 220, lower wedge block side 250 is equipped with lower limit column 240.Upper voussoir 100 further includes upper voussoir side 170,
Upper voussoir side 170 is connected to voussoir compression face 110 and upper voussoir slide surface 120, and upper voussoir side 170 is equipped with upper limit
Column 160.
When in the groove that gad block fixing device is inserted into the movable end of bracing members 500 to be fixed, 240 He of lower limit column
Upper limit column 160 can be matched with the baffle arrangement in groove, ensure that lower wedge block 200 and upper voussoir 100 can not be to be fixed
It is slid in the groove of the movable end of bracing members 500.
In other alternative embodiments, lower limit column 240 or upper limit column can be only arranged in gad block fixing device
160。
Shown in showing such as Fig. 5, in the groove for the movable end that gad block fixing device is installed on bracing members 500, wherein upper voussoir
Slide surface 120 is bonded to each other with lower wedge block slide surface 220, under the upper voussoir compression face 110 and lower wedge block 200 of upper voussoir 100
Voussoir compression face 210 is respectively by the opposite inner wall of the groove for the movable end for being pressed on bracing members 500 to be fixed, upper voussoir 100
Axial support force is provided to bracing members 500 with lower wedge block 200, to play the role of fixed bracing members 500.When gad block is fixed
Maximum distance between the upper voussoir compression face 110 and lower wedge block compression face 210 of device is less than the recessed of the movable end of bracing members 500
Slot, can be in the outside of upper voussoir compression face 110 and lower wedge block compression face 210 in the length on the axial direction of bracing members 500
It is inserted into suitable rectangle steel voussoir, bracing members 500 can be fixed with utility gad block fixing device.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (8)
1. a kind of gad block fixing device, bracing members are fixed in the groove for being used to be inserted into the movable end of bracing members to be fixed,
It is characterized in that, the gad block fixing device includes：
Upper voussoir, the upper voussoir include upper voussoir compression face and upper voussoir slide surface, the upper voussoir compression face and it is described on
Voussoir slide surface is away from each other, the upper voussoir compression face be used for by the movable end for being pressed on bracing members to be fixed groove one in
Wall；
Lower wedge block, the lower wedge block include lower wedge block compression face and lower wedge block slide surface, the lower wedge block compression face and it is described under
Voussoir slide surface is away from each other, and the lower wedge block compression face is another for the groove by the movable end for being pressed on bracing members to be fixed
Inner wall, the upper voussoir slide surface can be bonded to each other with the lower wedge block slide surface, and the upper voussoir can be along the hyposphene
The extending direction of block slide surface slides, and the distance between the upper voussoir compression face and the lower wedge block compression face are with the upper wedge
Block slides and changes；
Connection component, the upper voussoir can be fixed on the lower wedge block by the connection component.
2. gad block fixing device as described in claim 1, which is characterized in that the connection component includes connecting rod and spiral shell
Mother is provided with a connecting hole on the upper voussoir, and one end of the connecting rod is fixed relative to the lower wedge block, the connecting rod
The other end is equipped with external screw thread, and the connecting rod is threadedly connected to the nut across the connecting hole.
3. gad block fixing device as claimed in claim 2, which is characterized in that the connecting hole is slotted hole, the connection
The axial direction for being axially parallel to the connecting hole of bar, along the extending direction of the major diameter of the connecting hole, the connecting rod can be with
The upper voussoir sliding is moved relative to the connecting hole.
4. gad block fixing device as claimed in claim 3, which is characterized in that the upper voussoir compression face and the lower wedge block
Compression face is parallel, and the connecting rod is parallel to the upper voussoir compression face, and the connecting rod is located at the lower wedge block slide surface
Outside, the projection of the axis of the connecting rod on the lower wedge block slide surface is parallel to the glide direction of the upper voussoir.
5. gad block fixing device as claimed in claim 3, which is characterized in that the connecting rod is located at lower wedge block sliding
The outside in face, the projection of the axis of the connecting rod on the lower wedge block slide surface are parallel to the glide direction of the upper voussoir
And positioned at the centre position of the lower wedge block slide surface；
Projection of the axis of the connecting hole on the upper voussoir slide surface is positioned at the centre position of the upper voussoir slide surface.
6. gad block fixing device as claimed in claim 3, which is characterized in that be fixed with one on the lower wedge block slide surface and lead
To portion, the guide part is fixed in one end of the connecting rod, and the connecting hole passes through the upper voussoir slide surface and forms one
Groove, the guide part can be with the groove match.
7. gad block fixing device as described in claim 1, which is characterized in that the lower wedge block further includes top and bottom,
The top of the lower wedge block and the bottom of the lower wedge block are located in the glide direction of the upper voussoir；
The upper voussoir further includes top and bottom, and the bottom of the top of the upper voussoir and the upper voussoir is located at the upper wedge
In the glide direction of block；
The bottom of the upper voussoir is opposite with the top of the lower wedge block, and the bottom of the upper voussoir is fixed with upper limit position block, institute
The top of the lower wedge block can be connected to by stating upper limit position block；
And/or the bottom of the lower wedge block is fixed with lower position block, the lower position block can be connected to the top of the upper voussoir
Portion.
8. gad block fixing device as described in claim 1, which is characterized in that the lower wedge block further includes lower wedge block side,
The lower wedge block side is connected to the lower wedge block compression face and the lower wedge block slide surface, and the lower wedge block side is equipped with lower limit
Position column；
And/or the upper voussoir further includes upper voussoir side, the upper voussoir side is connected to the upper voussoir compression face and institute
Voussoir slide surface is stated, the upper voussoir side is equipped with upper limit column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331351.9A CN108360533B (en) | 2018-04-13 | 2018-04-13 | Steel wedge block fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331351.9A CN108360533B (en) | 2018-04-13 | 2018-04-13 | Steel wedge block fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360533A true CN108360533A (en) | 2018-08-03 |
| CN108360533B CN108360533B (en) | 2023-10-31 |
Family
ID=63008421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331351.9A Active CN108360533B (en) | 2018-04-13 | 2018-04-13 | Steel wedge block fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360533B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824453A (en) * | 2018-09-04 | 2018-11-16 | 上海公路桥梁（集团）有限公司 | Interior pin ratchet self-locking device and the bracing members comprising it |
| CN108978678A (en) * | 2018-09-04 | 2018-12-11 | 上海公路桥梁（集团）有限公司 | Capping type ratchet self-locking device and bracing members comprising it |
| CN111042180A (en) * | 2019-12-04 | 2020-04-21 | 中国五冶集团有限公司 | Steel wedge for mounting steel column |
| CN115059088A (en) * | 2022-06-14 | 2022-09-16 | 南京工业大学 | Foundation pit steel supporting device with adjustable distance and measurable force |
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| CN108978678A (en) * | 2018-09-04 | 2018-12-11 | 上海公路桥梁（集团）有限公司 | Capping type ratchet self-locking device and bracing members comprising it |
| CN111042180A (en) * | 2019-12-04 | 2020-04-21 | 中国五冶集团有限公司 | Steel wedge for mounting steel column |
| CN115059088A (en) * | 2022-06-14 | 2022-09-16 | 南京工业大学 | Foundation pit steel supporting device with adjustable distance and measurable force |
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| CN108360533B (en) | 2023-10-31 |
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