CN108952204A - Connection structure is used in a kind of reinforcing of rack - Google Patents
Connection structure is used in a kind of reinforcing of rack Download PDFInfo
- Publication number
- CN108952204A CN108952204A CN201811004258.3A CN201811004258A CN108952204A CN 108952204 A CN108952204 A CN 108952204A CN 201811004258 A CN201811004258 A CN 201811004258A CN 108952204 A CN108952204 A CN 108952204A
- Authority
- CN
- China
- Prior art keywords
- bolt
- rack
- sealing plate
- connector
- steel pipe
- 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
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 54
- 239000010959 steel Substances 0.000 claims description 54
- 238000007789 sealing Methods 0.000 claims description 39
- 238000003466 welding Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 5
- 244000152100 Sorbus torminalis Species 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of rack reinforcing connection structures, including former rack, newly-increased rack, first connector and the second connector, the original rack lower edge face has the first bolt sphere and the second bolt sphere, first bolt sphere lower end has the existing bolt hole for installation, newly-increased rack winds up face with third bolt sphere and the 4th bolt sphere, first connector upper end is bolted in existing bolt hole, first connector lower end is bolted in the first bolt hole that third bolt sphere upper end is equipped with, second connector upper end is welded in the second bolt sphere lower end, second connector lower end is bolted in the second bolt hole that the 4th bolt sphere upper end is equipped with;The present invention guarantees the common stress of the two, is conducive to improve integral strength by the way that former rack and newly-increased rack link into an integrated entity.
Description
Technical field
The invention belongs to rack technical fields, are specifically related to a kind of rack reinforcing connection structure.
Background technique
Rack, the space structure to be linked according to certain grid configuration by node by plurality of rods part have space
Stress, the advantages that light-weight, rigidity is big, anti-seismic performance is good;The typical structure of rack is double-layer structure, i.e. top boom passes through bolt
Ball connects to form chord plane, and lower boom connects to form lower chord plane by bolt sphere, is connected between upper chord plane and lower chord plane by web member
It connects, for bolt sphere, in order to avoid stress deflection, the bolt hole that bolt sphere is equipped with prolongs along bolt sphere centerline direction
It stretches, the rod pieces such as top boom, lower boom is overlapped with bolt sphere center line;After grid structure completes for use, due to using
The reasons such as environment, load increase are able to satisfy grid structure not using needs, and the intensity for checking structure is not able to satisfy using function
When with former design requirement, there are great security risks.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of rack reinforcing connection structure, former rack and newly-increased rack
It links into an integrated entity, guarantees the common stress of the two, be conducive to improve integral strength;By carrying out screw thread company using existing bolt hole
It connects, is conducive to improve installation effectiveness.
In order to achieve the above object, a kind of rack of the present invention, which is reinforced, uses connection structure, including former rack, newly-increased rack, the
A connection piece and the second connector, the original rack lower edge face has the first bolt sphere and the second bolt sphere, under the first bolt sphere
The existing bolt hole having for installation is held, newly-increased rack winds up face with third bolt sphere and the 4th bolt sphere, the first connection
Part upper end is bolted in existing bolt hole, and the first connector lower end is bolted in the first bolt hole that third bolt sphere upper end is equipped with
Interior, the second connector upper end is welded in the second bolt sphere lower end, and the second connector lower end is bolted in the 4th bolt sphere upper end and is equipped with
The second bolt hole in.
Further, second connector includes the second steel pipe, the second sealing plate, the second casing and the second bolt, the second steel
Pipe lower end coaxial welding has the second sealing plate, and the second sealing plate is equipped with the second centre bore, and the second bolt includes coaxially connected second
Head and the second threaded shank, the second head are located in the second steel pipe and are covered in above the second centre bore, and the second threaded shank passes through
Second centre bore is spirally connected with the second bolt hole, has for the second steel pipe radially between the second threaded shank and the second centre bore
The gap of adjusting, the second casing movable set is with the second threaded shank outside and the two torque is connect, and the second casing is located at the second envelope
Between plate and the 4th bolt sphere.
Further, the second threaded shank outer cover is equipped with gasket, and gasket is pressed between the second sealing plate and the second head,
Gasket surface is equipped with anti-skid chequer.
Further, be connected with right angle reinforcing rib between second sealing plate and the second steel pipe, right angle reinforcing rib have
One right-angle side and the second circle of steel tube surface are welded, and the second right-angle side and the second sealing plate lower surface that right angle reinforcing rib has weld
It connects, right angle reinforcing rib is multiple and is arranged circumferentially along the second steel pipe.
Further, the second casing outer round surface is equipped with the second mounting hole for being equipped with the second lock-screw, the second spiral shell
Bar surface is equipped with the second groove for the insertion of the second lock-screw.
Further, first connector includes the first steel pipe, the first sealing plate, first sleeve and the first bolt, the first steel
Pipe upper and lower ends respectively with a first sealing plate coaxial welding, corresponding first bolt of each first sealing plate, on the first sealing plate
Equipped with the first centre bore, the first bolt includes coaxially connected the first head and the first threaded shank, and the first head is located at the first steel
In pipe, the first threaded shank activity passes through the first centre bore, the first threaded shank and existing bolt hole spiral shell positioned at the first steel pipe upper end
It connects, the first threaded shank and the first bolt hole positioned at the first steel pipe lower end are spirally connected, and each first threaded shank external activity is set with
One first sleeve, first sleeve are located at side of first sealing plate far from the first steel pipe, and first sleeve outer round surface is equipped with installation
There is the first mounting hole of the first lock-screw, the first screw surface is equipped with the first groove for the insertion of the first lock-screw.
The beneficial effects of the present invention are:
1. a kind of rack reinforcing connection structure of the present invention is conducive to improve integral strength, be conducive to improve installation effectiveness;Former net
Frame and newly-increased rack link into an integrated entity, and guarantee the common stress of the two, are conducive to improve integral strength;Here, chord plane under former rack
The two situation is had both, first, the first bolt sphere lower end has the existing bolt hole for installation, i.e. the existing bolt hole can carry out
It utilizes;Second, the second bolt sphere can not use bolt hole;Therefore, the present invention can directly carry out screw thread company first with existing bolt hole
It connects, then is welded;For all welding, the present invention is conducive to improve installation effectiveness.
2. a kind of rack reinforcing connection structure of the present invention is conducive to improve whole stability;Since more piece point tolerance is tired
Product is easy to appear contraposition eccentricity issues in actual installation process, generates buckle in compression;Here, due to the second threaded shank and the
There is the gap radially adjusted for the second steel pipe, the i.e. relative position of the second bolt and the second steel pipe between two centre bores
It can be adjusted, be overlapped the second bolt with the 4th bolt sphere vertical centerline, the second steel pipe and the vertical center of the second bolt sphere
Line is overlapped, and contraposition eccentricity issues is avoided, to avoid the second steel pipe buckle in compression depression of bearing force.
3. a kind of rack reinforcing connection structure of the present invention is conducive to further increase whole stability;Here,
Two connector upper ends are welded in the second bolt sphere lower end, and the second connector lower end is bolted in the 4th bolt sphere upper end is equipped with second
Under the premise of in bolt hole, i.e., after the second connector is installed, gasket is pressed between the second sealing plate and the second head, gasket table
The anti-skid chequer that face is equipped with can prevent the second bolt and the second steel pipe from relatively moving, so that integral installation is stablized.
4. the intensity that a kind of rack reinforcing of the present invention further increases the second connector entirety with connection structure;Here in
Two sealing plates reinforce the second sealing plate and the by the active force of the second steel pipe and the active force of the second bolt, by right angle reinforcing rib
The intensity of two steel pipe junctions, to further increase the intensity of the second connector entirety.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is that a kind of rack of the present invention reinforces the structural schematic diagram for using connection structure;
Fig. 2 is the schematic configuration diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram that a kind of rack of the present invention reinforces the second connector described in connection structure;
Fig. 4 is the structural schematic diagram of the second connector described in schematic configuration diagram in Fig. 1 at B;
Fig. 5 is the structural schematic diagram that a kind of rack of the present invention reinforces the first connector described in connection structure.
Appended drawing reference: 1- original rack;2- increases rack newly;The first connector of 3-;The second connector of 4-;The first bolt sphere of 11-;
The second bolt sphere of 12-;21- third bolt sphere;The 4th bolt sphere of 22-;The first steel pipe of 31-;The first sealing plate of 32-;33- first set
Pipe;The first bolt of 34-;The first lock-screw of 35-;The second steel pipe of 41-;The second sealing plate of 42-;The second casing of 43-;The second spiral shell of 44-
Bolt;The gap 45-;46- gasket;The right angle 47- reinforcing rib;The second lock-screw of 48-;The first head 341-;The first threaded shank of 342-;
The second head 441-;The second threaded shank of 442-.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
As shown in Figures 1 to 5;A kind of rack of the present invention, which is reinforced, uses connection structure, including former rack 1, newly-increased rack 2, the
A connection piece 3 and the second connector 4;Former 1 lower edge face of rack has the first bolt sphere 11 and the second bolt sphere 12;First bolt sphere
11 lower ends have the existing bolt hole for installation, and existing bolt hole mentioned here refers to utilizable bolt hole;It is newly-increased
Rack 2 winds up face with third bolt sphere 21 and the 4th bolt sphere 22;First connector, 3 upper end is bolted in existing bolt hole,
First connector, 3 lower end is bolted in the first bolt hole that 21 upper end of third bolt sphere is equipped with;Second connector, 4 upper end is welded in
Second bolt sphere, 12 lower end, 4 lower end of the second connector are bolted in the second bolt hole that 22 upper end of the 4th bolt sphere is equipped with.
When installation, first the first connector 3 is mounted between the first bolt sphere 11 and third bolt sphere 21;Second is connected again
Fitting 4 is mounted between the second bolt sphere 12 and the 4th bolt sphere 22;Using the principle welded again that is first spirally connected.
Preferably, the second connector 4 includes the second steel pipe 41, the second sealing plate 42, the second casing 43 and the second bolt 44;The
Two steel pipes, 41 lower end coaxial welding has the second sealing plate 42;Second sealing plate 42 is equipped with the second centre bore;Second bolt 44 includes same
Second head 441 of axis connection and the second threaded shank 442, the second head 441 are located in the second steel pipe 41 and are covered in second
Above heart hole, the second threaded shank 442 passes through the second centre bore and is spirally connected with the second bolt hole, the second threaded shank 442 and the second center
There is the gap 45 radially adjusted for the second steel pipe 41 between hole;Second casing, 43 movable set and the second threaded shank
442 outsides and the connection of the two torque;Second casing 43 is between the second sealing plate 42 and the 4th bolt sphere 22.
Since the first connector 3 first installs, when installing the second connector 4, there are node errors;At this point, by second
Bolt 44 is pre-installed in the second bolt hole, is overlapped the second bolt 44 with the vertical centerline of the 4th bolt sphere 22, and second
Bolt 44 is not tightened, and then, is adjusted the relative position of the second bolt 44 and the second steel pipe 41, is made the second steel pipe 41 and the second bolt
The vertical centerline of ball 12 is overlapped, i.e. the second steel pipe 41 keeps vertical state;Again by 41 upper end of the second steel pipe and the second bolt sphere
12 welding;Finally, the second bolt 44 is tightened, the installation of the second connector 4 is completed.
On this basis, 442 outer cover of the second threaded shank is equipped with gasket 46, and gasket 46 is pressed in the second sealing plate 42 and second
Between head 441,46 surface of gasket is equipped with anti-skid chequer.
After second connector 4 is installed, anti-skid chequer can prevent the second bolt 44 and the second steel pipe 41 from relatively moving, and make
Integral installation is obtained to stablize.
On this basis, right angle reinforcing rib 47, right angle reinforcing rib 47 are connected between the second sealing plate 42 and the second steel pipe 41
The first right-angle side and 41 outer round surface of the second steel pipe welding having, the second right-angle side and the second envelope that right angle reinforcing rib 47 has
The welding of 42 lower surface of plate, right angle reinforcing rib 47 are multiple and are arranged circumferentially along the second steel pipe 41.
Reinforce the intensity of the second sealing plate 42 and 41 junction of the second steel pipe by right angle reinforcing rib 47.
Here, 43 outer round surface of the second casing is equipped with the second mounting hole for being equipped with the second lock-screw 48, the second screw rod
Surface is equipped with the second groove for the insertion of the second lock-screw 48.
Second casing 43 is connect by the second lock-screw 48 with the second screw torque, therefore, by rotating the second casing
43, drive the second screw rod to screw in the second bolt hole.
Here, the first connector 3 include the first steel pipe 31, the first sealing plate 32, first sleeve 33 and the first bolt 34, first
31 upper and lower ends of steel pipe respectively with 32 coaxial welding of the first sealing plate, corresponding first bolt 34 of each first sealing plate 32,
First sealing plate 32 is equipped with the first centre bore, and the first bolt 34 includes the first coaxially connected head 341 and the first threaded shank
342, the first head 341 is located in the first steel pipe 31, and 342 activity of the first threaded shank passes through the first centre bore, is located at the first steel pipe
The first threaded shank 342 and the existing bolt hole of 31 upper ends are spirally connected, the first threaded shank 342 and first positioned at 31 lower end of the first steel pipe
Bolt hole is spirally connected, and each first threaded shank, 342 external activity is set with a first sleeve 33, and first sleeve 33 is located at the first envelope
Side of the plate 32 far from the first steel pipe 31,33 outer round surface of first sleeve are equipped with the first installation for being equipped with the first lock-screw 35
Hole, the first screw surface are equipped with the first groove for the insertion of the first lock-screw 35.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
1. a kind of rack, which is reinforced, uses connection structure, it is characterised in that: including former rack, newly-increased rack, the first connector and second
Connector, the original rack lower edge face have the first bolt sphere and the second bolt sphere, and the first bolt sphere lower end has for installing
Existing bolt hole, newly-increased rack winds up face with third bolt sphere and the 4th bolt sphere, and the first connector upper end is bolted in both
Have in bolt hole, the first connector lower end is bolted in the first bolt hole that third bolt sphere upper end is equipped with, on the second connector
End is welded in the second bolt sphere lower end, and the second connector lower end is bolted in the second bolt hole that the 4th bolt sphere upper end is equipped with.
2. a kind of rack as described in claim 1, which is reinforced, uses connection structure, it is characterised in that: second connector includes the
Two steel pipes, the second sealing plate, the second casing and the second bolt, the second steel pipe lower end coaxial welding have the second sealing plate, on the second sealing plate
Equipped with the second centre bore, the second bolt includes coaxially connected the second head and the second threaded shank, and the second head is located at the second steel
It in pipe and is covered in above the second centre bore, the second threaded shank passes through the second centre bore and is spirally connected with the second bolt hole, the second screw rod
There is the gap radially adjusted for the second steel pipe, the second casing movable set and the second spiral shell between portion and the second centre bore
Outside bar portion and the two torque connects, and the second casing is pressed between the second sealing plate and the 4th bolt sphere.
3. a kind of rack as claimed in claim 2, which is reinforced, uses connection structure, it is characterised in that: the second threaded shank outer cover
Equipped with gasket, for gasket between the second sealing plate and the second head, gasket surface is equipped with anti-skid chequer.
4. a kind of rack as claimed in claim 2, which is reinforced, uses connection structure, it is characterised in that: second sealing plate and the second steel
Right angle reinforcing rib is connected between pipe, the first right-angle side and the second circle of steel tube surface that right angle reinforcing rib has weld, right angle
The second right-angle side and the second sealing plate lower surface that reinforcing rib has weld, and right angle reinforcing rib is multiple and circumferentially equal along the second steel pipe
Even arrangement.
5. such as a kind of described in any item rack reinforcing connection structures of claim 2~4, it is characterised in that: described second set
Pipe outer round surface is equipped with the second mounting hole for being equipped with the second lock-screw, and the second screw surface, which is equipped with, is used for the second lock-screw
Second groove of insertion.
6. a kind of rack as claimed in claim 1 or 2, which is reinforced, uses connection structure, it is characterised in that: the first connector packet
The first steel pipe, the first sealing plate, first sleeve and the first bolt are included, the first steel pipe upper and lower ends are coaxial with first sealing plate respectively
Welding, corresponding first bolt of each first sealing plate, the first sealing plate are equipped with the first centre bore, and the first bolt includes coaxially connecting
The first head connect and the first threaded shank, the first head are located in the first steel pipe, and the first threaded shank activity passes through the first centre bore,
The first threaded shank positioned at the first steel pipe upper end is spirally connected with existing bolt hole, the first threaded shank and the positioned at the first steel pipe lower end
One bolt hole is spirally connected, and each first threaded shank external activity is set with a first sleeve, and it is remote that first sleeve is located at the first sealing plate
Side from the first steel pipe, first sleeve outer round surface are equipped with the first mounting hole for being equipped with the first lock-screw, the first screw rod
Surface is equipped with the first groove for the insertion of the first lock-screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811004258.3A CN108952204B (en) | 2018-08-30 | 2018-08-30 | Connection structure for reinforcing net rack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811004258.3A CN108952204B (en) | 2018-08-30 | 2018-08-30 | Connection structure for reinforcing net rack |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108952204A true CN108952204A (en) | 2018-12-07 |
CN108952204B CN108952204B (en) | 2024-04-19 |
Family
ID=64474793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811004258.3A Active CN108952204B (en) | 2018-08-30 | 2018-08-30 | Connection structure for reinforcing net rack |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108952204B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002356916A (en) * | 2001-06-04 | 2002-12-13 | Asante Inc | Reinforcing device and method of joining part in wooden building |
CN103774861A (en) * | 2014-01-26 | 2014-05-07 | 淮海工学院 | Reinforcement method for grid structure rod piece |
CN105442704A (en) * | 2015-09-25 | 2016-03-30 | 浙江精工钢结构集团有限公司 | Reinforced space truss structure and construction method for space truss structure reinforcement |
CN206468032U (en) * | 2016-11-24 | 2017-09-05 | 徐州市产品质量监督检验中心 | Spatial mesh structure bolted spherical node reinforcement of weld device |
CN107366440A (en) * | 2017-08-25 | 2017-11-21 | 中冶建筑研究总院有限公司 | A kind of reinforcing device and method of bolt-ball net frame pull bar and node |
CN206815880U (en) * | 2017-06-08 | 2017-12-29 | 浙江东南网架股份有限公司 | A kind of structure node for bolt-ball net frame reinforcement of rod pieces |
CN207144540U (en) * | 2017-08-25 | 2018-03-27 | 中冶建筑研究总院有限公司 | A kind of bracing means of bolt-ball net frame pull bar and node |
CN208844960U (en) * | 2018-08-30 | 2019-05-10 | 安徽省建筑科学研究设计院 | Connection structure is used in a kind of reinforcing of rack |
-
2018
- 2018-08-30 CN CN201811004258.3A patent/CN108952204B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002356916A (en) * | 2001-06-04 | 2002-12-13 | Asante Inc | Reinforcing device and method of joining part in wooden building |
CN103774861A (en) * | 2014-01-26 | 2014-05-07 | 淮海工学院 | Reinforcement method for grid structure rod piece |
CN105442704A (en) * | 2015-09-25 | 2016-03-30 | 浙江精工钢结构集团有限公司 | Reinforced space truss structure and construction method for space truss structure reinforcement |
CN206468032U (en) * | 2016-11-24 | 2017-09-05 | 徐州市产品质量监督检验中心 | Spatial mesh structure bolted spherical node reinforcement of weld device |
CN206815880U (en) * | 2017-06-08 | 2017-12-29 | 浙江东南网架股份有限公司 | A kind of structure node for bolt-ball net frame reinforcement of rod pieces |
CN107366440A (en) * | 2017-08-25 | 2017-11-21 | 中冶建筑研究总院有限公司 | A kind of reinforcing device and method of bolt-ball net frame pull bar and node |
CN207144540U (en) * | 2017-08-25 | 2018-03-27 | 中冶建筑研究总院有限公司 | A kind of bracing means of bolt-ball net frame pull bar and node |
CN208844960U (en) * | 2018-08-30 | 2019-05-10 | 安徽省建筑科学研究设计院 | Connection structure is used in a kind of reinforcing of rack |
Also Published As
Publication number | Publication date |
---|---|
CN108952204B (en) | 2024-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204551757U (en) | The semi-rigid connection joints of steel structure of a kind of pin type | |
CN110158977A (en) | Assembly building connects hooping structure away from adjustable steel column | |
CN208844960U (en) | Connection structure is used in a kind of reinforcing of rack | |
CN207144540U (en) | A kind of bracing means of bolt-ball net frame pull bar and node | |
CN108952204A (en) | Connection structure is used in a kind of reinforcing of rack | |
CN202227757U (en) | Inserting plate connecting component and power transmission line steel tube tower | |
CN109403705A (en) | A kind of connecting flange of large-sized concrete electric pole | |
CN204663551U (en) | For the annular girder steel arch-shelf of tunnel support | |
CN208105484U (en) | A kind of cross node of assembled round steel pipe | |
CN208236003U (en) | A kind of tool for replacing grid node | |
CN208088495U (en) | A kind of steel lattice bolt joint device | |
CN206289748U (en) | A kind of high strength steel attachment structure | |
CN211448716U (en) | Arm seat assembly of multi-arm arch center mounting trolley | |
CN106917826A (en) | A kind of two-way bearing block | |
CN209260925U (en) | Hemispherical flanged joint steel truss connecting node | |
CN202659650U (en) | Rotary joint subassembly for guardrail and guardrail | |
CN207994501U (en) | A kind of angular type expansion joint and its component | |
CN203877351U (en) | Connection structure of bucket wheel machine wheel body | |
CN203729445U (en) | Steel tube joint | |
CN208531057U (en) | A kind of support frame | |
CN211088474U (en) | Mounting bracket for antenna | |
CN219280894U (en) | Node structure of ring beam and diagonal column | |
CN214885359U (en) | Combined support | |
CN202227758U (en) | Plugboard connection assembly and power transmission line steel tube tower | |
CN215759595U (en) | Connecting device for steel structural member |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |