CN207959501U - A kind of combination column - Google Patents
A kind of combination column Download PDFInfo
- Publication number
- CN207959501U CN207959501U CN201721927224.2U CN201721927224U CN207959501U CN 207959501 U CN207959501 U CN 207959501U CN 201721927224 U CN201721927224 U CN 201721927224U CN 207959501 U CN207959501 U CN 207959501U
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- China
- Prior art keywords
- plate
- column
- bottom plate
- lower sleeve
- combination column
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- Expired - Fee Related
Links
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003351 stiffener Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model belongs to steel building technical field more particularly to a kind of combination column.Combination column includes the column unit of two strips, and accessory mounting plate is provided between the column unit；The accessory mounting plate includes plate body, and the location structure being arranged on plate body；The location structure is connected on column unit；The plate body setting is fixedly connected between two column units, and with column unit.The bottom of two column units is provided with pedestal, and the pedestal includes bottom plate, and on the basis of the bottom plate is mounted on by bolt, the basis includes mounting base and clump；One end of the bolt is connect with mounting base, and the other end is connect with bottom plate, and adjustment stabilizer blade is arranged on the screw rod of bolt, and the adjustment stabilizer blade is between bottom plate and mounting base.The combination column of above structure reduces the hand steered process in installation process, meanwhile, at any time can the height of column be adjusted, improve the installation effectiveness of combination column.
Description
Technical field
The utility model belongs to steel building technical field more particularly to a kind of combination column.
Background technology
Currently, with the development of China's economic technology, the construction of steel-structure factory building and light-type steel structural workshop is increasingly
Increase, workshop is composed of many combined girder steels with high strength exploitation, and suspension column is to lean on workshop reinforced concrete
Pre-buried bolt is connected and fixed in plinth.Thus, for the on-site consolidation of steel-structure factory building, each component bolt of workshop
When connection, the height of bolt penetration hole rate, girder steel, column assembling speed and installation quality, be always steel-structure factory building lifting close
The focus of the heart and attention.
Such as application No. is the Chinese patent application of CN201620776897.1, a kind of house dwelling house system and its packet are disclosed
The coupled column included is more specifically a kind of cold-formed thin-walled C steel coupled column.Two cold-formed thin-walled C steels of the coupled column are adopted
With being fixedly connected in back-to-back fashion, in the bottom suspension column of cold-formed thin-walled C steel, with upper edge, its short transverse is provided with backing plate, and
Backing plate is located between two cold-formed thin-walled C steels；Two cold-formed thin-walled C steels make cold bending thin wall c-type using in back-to-back fashion
Connection between steel introduces high-strength bolt, has avoided welding damage, at the same avoid directly be bolted can not reliable delivery it is curved
The defect of square effectively increases the intensity of connection；Backing plate is arranged between cold-formed thin-walled C steel, can be effectively improved cold bending thin wall C
The stress performance of shaped steel combination column, bearing capacity are effectively promoted so that the connection between cold-formed thin-walled C steel becomes more to hold
Easily.
Above-mentioned patent application needs to fix backing plate manually, can give assembling process as a result, in the assembling process of combination column
It makes troubles.
Meanwhile in the assembling process of combination column, due to being influenced by assembling, produce precision, in the assembly of column
In the process, the height of column is needed to be adjusted, the adjustment of column height in the prior art is by increasing gasket come real
Existing, during column assembles, it can realize the height for adjusting column by gasket, but work as column and other structures
After (such as crossbeam) cooperation finishes, if needing the height of adjustment column again, needs to remove other structures, gasket could be increased,
Carry out the adjustment of stem height.
In view of the above-mentioned problems, proposition is a kind of can to solve asking for combination column assembly inconvenience existing in the prior art
Topic.
Utility model content
(1) technical problems to be solved
For existing technical problem, the utility model provides a kind of combination column, can solve in the prior art
The inconvenient problem of existing assembly.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include：
A kind of combination column, wherein it is described combination column include two strips column unit, the column unit it
Between be provided with accessory mounting plate；
The accessory mounting plate includes plate body, and the location structure being arranged on plate body；
The location structure is connected on column unit；
The plate body setting is fixedly connected between two column units, and with column unit；
The bottom of two column units is provided with pedestal, and the pedestal includes bottom plate, and is arranged on bottom plate
Stiffener plate；
On the basis of the bottom plate is mounted on by bolt, the basis includes mounting base and clump；
One end of the bolt is connect with mounting base, and the other end is connect with bottom plate, and tune is arranged on the screw rod of bolt
Whole stabilizer blade, the adjustment stabilizer blade is between bottom plate and mounting base；
The adjustment stabilizer blade includes the upper bush and lower sleeve of mutual socket, and upper bush and lower sleeve are threadedly coupled；
Compression spring is provided in the upper bush and lower sleeve being mutually socketed, one end of compression spring is abutted with upper bush,
The other end is abutted with lower sleeve, and after adjustment stabilizer blade is assembled to bottom plate and mounting base, compression spring is in compression shape always
State；
The upper bush is fixedly connected with bottom plate, and the lower part of the lower sleeve is provided with rotation seat, the lower sleeve with turn
Dynamic seat rotation connection, rotation seat are fixedly connected with mounting base；
The outside of the lower sleeve is also arranged with driving gear, and installation position, external driving mechanism are provided on the bottom plate
Dismountable to be arranged on installation position, the power output end of external driving mechanism is by driving gear band to move lower sleeve rotation.
As a kind of preferred embodiment of said combination column, the centre position of the plate body and positioning plate connects.
It as a kind of preferred embodiment of said combination column, is connected by screw between the plate body and backboard, the plate
Screw hole is provided on body and backboard, at least screw hole on one of plate body or backboard is strip type hole.
As a kind of preferred embodiment of said combination column, multiple accessory mounting plates are provided between the column unit,
Multiple accessory mounting plates are uniformly distributed, and there are spacing between adjacent accessory mounting plate.
As a kind of preferred embodiment of said combination column, the corresponding positioning of location structure is provided on the side plate
Slot.
As a kind of preferred embodiment of said combination column, the stiffener plate is trapezium structure, and long side is solid with bottom plate
Fixed connection；
The stiffener plate setting is fixedly connected between two column units, and with column unit；
Former and later two surfaces of the stiffener plate are both provided with a pair of symmetrical positioning protrusion, are located at same surface
On positioning protrusion between spacing and column unit it is of same size.
As a kind of preferred embodiment of said combination column, the mounting base includes holder and mounting plate, the mounting plate
Both ends be both provided with holder, there is bending structure, the bracket end to be arranged by the form poured for the end of the holder
In clump；
The bottom plate and mounting plate are connected by screw, and screw hole is both provided on the bottom plate, is provided on mounting plate
The head of straight slot, screw is limited in straight slot.
As a kind of preferred embodiment of said combination column, the screw hole on at least described bottom plate and mounting plate is long waist shaped
Hole.
(3) advantageous effect
The utility model has the beneficial effects that：The utility model by the way that location structure is arranged on accessory mounting plate, and
Location structure can be connected on column unit, as a result, in the assembling process of accessory mounting plate and column unit, be passed through first
Accessory mounting plate is connected on column unit by location structure, then carries out consolidating between accessory mounting plate and column unit again
It is fixed, in addition, by adjusting the setting of stabilizer blade, can under any circumstance can the height of column be adjusted, reduce as a result,
Hand steered process in installation process, meanwhile, at any time can the height of column be adjusted, improve combination column
Installation effectiveness.
Description of the drawings
Fig. 1 is the structural schematic diagram for the combination column that specific embodiment of the present invention provides；
Fig. 2 " Fig. 1 " A-A to sectional view；
Fig. 3 is the structural schematic diagram of the figure pedestal that specific embodiment of the present invention provides and basis cooperation；
Fig. 4 is the structural schematic diagram for the mounting base that specific embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram for another mounting base that specific embodiment of the present invention provides.
【Reference sign】
1：Column unit；2：Accessory mounting plate；3：Pedestal；4：Basis；5：Bolt；6：Adjust stabilizer blade；
11：Backboard；12：Side plate；13：Flanging；
21：Plate body；22：Location structure；
31：Bottom plate；32：Stiffener plate；33：Positioning protrusion；
41：Mounting base；42：Clump；
411：Holder；412：Mounting plate；413：Straight slot；
61：Upper bush；62：Lower sleeve；63：Compression spring；64：Rotation seat.
Specific implementation mode
It is below in conjunction with the accompanying drawings, right by specific implementation mode in order to understand in order to preferably explain the utility model
The utility model is described in detail.
As shown in Figures 1 to 5, present embodiments provide for a kind of combination column, which includes two strips
Column unit 1, accessory mounting plate 2 is provided between column unit 1, accessory mounting plate 2 includes plate body 21, and is arranged in plate
Location structure 22 on body 21.Location structure 22 is connected on column unit 1.Plate body 21 is arranged between two column units 1, and
It is fixedly connected with column unit 1.
In the present embodiment, by the way that location structure 22 is arranged on accessory mounting plate 2, and location structure 22 can block
It is connected on column unit 1, as a result, in the assembling process of accessory mounting plate 2 and column unit 1, passes through location structure 22 first
Accessory mounting plate 2 is connected on column unit 1, then carries out the fixation between accessory mounting plate 2 and column unit 1 again, by
This, reduces the hand steered process in installation process, improves the installation effectiveness of combination column.
Meanwhile setting accessory mounting plate 2 can be effectively improved the stress performance of combination column, carrying between column unit 1
Power is effectively promoted, and the convenience connected between column unit 1 is improved.
Specifically, with reference to Fig. 2, location structure 22 is positioning plate, and the both ends of plate body 21 are both provided with positioning plate, and positioning plate
It is vertically arranged with plate body 21.By the way that positioning plate is arranged at the both ends of plate body 21, at least accessory mounting plate 2 can be made U-shaped, the U
Type structure can be connected on column unit 1.
Column unit 1 includes backboard 11, the folding that the side plate 12 at 11 both ends of setting backboard and 12 end of side plate bend inwards
Side 13, that is to say, that the cross section of column unit 1 is the structure of similar c-type.
The backboard 11 of two column units 1 is oppositely arranged, and the side plate 12 of two column units 1 extends in the opposite direction, plate
Body 21 is arranged between two backboards 11, and positioning plate is connected to the outside of side plate 12.That is the cross of the combination column after combining
Section is the structure of similar H-type.
Plate body 21 is connect with the centre position of positioning plate.It is connect, can be made with the centre position of positioning plate by plate body 21
Accessory mounting plate 2 forms the structure of similar H-type, also, the accessory mounting plate 2 of such structure, when coordinating with column unit 1,
Its both sides can be clamped by positioning plate and column unit 1, improve the stabilization of the positioning of accessory mounting plate 2.
It is connected by screw between plate body 21 and backboard 11, screw hole, at least plate body is provided on plate body 21 and backboard 11
Screw hole on one of 21 or backboard 11 is long waist shaped hole.Preferably, the screw hole on plate body 21 is long waist
Shape hole, due to the influence of manufacturing process or assembly technology, existing plate body 21 and backboard 11 during being connected by screw,
There is a situation where that screw hole does not correspond to, by the way that the screw hole on plate body 21 is arranged to long waist shaped hole, may be implemented to pacify auxiliary
2 installation site of loading board is adjusted flexibly, and improves the convenience of its installation.
Column unit 1 is cold-formed thin-walled C steel, and using in back-to-back fashion draws the connection between cold-formed thin-walled C steel
High-strength bolt is entered, has avoided welding damage, has been avoided by the setting of accessory mounting plate 2 and be directly bolted and can not reliably pass
The defect for passing moment of flexure effectively increases the intensity of connection.
Multiple accessory mounting plates 2 are provided between column unit 1, multiple accessory mounting plates 2 are uniformly distributed, adjacent auxiliary peace
There are spacing between loading board 2.By being spaced apart for accessory mounting plate 2, while improving combination pillar construction intensity, also
Manufacturing cost can be saved.
Locating slot corresponding with location structure 22 is provided on side plate 12.By the setting of locating slot, can assist
In the assembling process of mounting plate 2, what can be prepared finds the installation station of accessory mounting plate 2, has saved the set-up time, has improved
Installation accuracy.
With reference to Fig. 3, the bottom of two column units 1 is provided with pedestal 3, and pedestal 3 includes bottom plate 31, and is arranged in bottom plate
Stiffener plate 32 on 31, stiffener plate 32 are trapezium structure, and long side is fixedly connected with bottom plate 31, and the length of short side is at least
Not less than the width of accessory mounting plate 2.
The setting of stiffener plate 32 is fixedly connected between two column units 1, and with column unit 1, before stiffener plate 32
Latter two surface is both provided with a pair of symmetrical positioning protrusion 33, between being located between the positioning protrusion 33 on same surface
Away from of same size with column unit 1, in the assembling process of column unit 1 and pedestal 3, the assembly of positioning protrusion 33 can rise
To the effect of guiding, the efficiency of assembling of combination column is improved.
Bottom plate 3 is mounted on by screw on basis 4, and basis 4 includes mounting base 41 and clump 42.With reference to Fig. 4, mounting base
41 include holder 411 and mounting plate 412, and the both ends of mounting plate 412 are both provided with holder 411, and the end of holder 411 has bending
Structure, 411 end of holder are arranged by the form poured in clump 42.The two is connected by screw, and is all provided on bottom plate 31
It is equipped with screw hole, straight slot 413 is provided on mounting plate 412, the head setting of screw limits in straight slot 413, and by straight slot 413
Position, in assembling process, screw is assembled to by way of sliding in straight slot.By on clump 42 be arranged mounting plate come
Instead of existing ground bolt, since the area of clump 42 is more than ground bolt, in the casting process on basis, mounting plate
412 have the advantages that convenient for positioning, further, improve the convenience of the assembling structure and assembly of combination column.
Preferably, the screw hole of bottom plate 31 is long waist shaped hole.By the setting in long waist shaped hole, can flexibly adjust
The rigging position of bottom plate 31 and mounting plate 412 improves the flexibility of the two assembly.
With reference to Fig. 5, the structure type of another column unit 1 and 4 cooperation of basis is additionally provided in the present embodiment,
It is specific as described below：
The bottom of two column units 1 is provided with pedestal 3, and pedestal 3 includes bottom plate 31, and be arranged on bottom plate 31 plus
Strengthening tendons plate 32.
Bottom plate 31 is mounted on by bolt 5 on basis 4, and basis 4 includes mounting base 41 and clump 42.
One end of bolt 5 is connect with mounting base 41, and the other end is connect with bottom plate 31, and is arranged on the screw rod of bolt 5
Stabilizer blade 6 is adjusted, adjustment stabilizer blade 6 is between bottom plate 31 and mounting base 41.
Adjustment stabilizer blade 6 includes the upper bush 61 and lower sleeve 62 of mutual socket, and upper bush 61 and 62 screw thread of lower sleeve connect
It connects.
Compression spring 63, one end of compression spring 63 and upper set are provided in the upper bush 61 and lower sleeve 62 being mutually socketed
Cylinder 61 abuts, and the other end is abutted with lower sleeve 62, and after adjustment stabilizer blade 6 is assembled to bottom plate 31 and mounting base 41, pressure bullet
Spring 63 is in compressive state always.It is in compressive state by compression spring, adjustment stabilizer blade 6 opposition pole unit 1 can carry out always
Support, improves the stability of column unit 1, meanwhile, pressure is applied to upper bush 61 and lower sleeve 62 by compression spring 63
The stability coordinated between upper bush 61 and lower sleeve 62 can be improved, prevents adjustment stabilizer blade 6 from shaking.
Upper bush 61 is fixedly connected with bottom plate 31, and the lower part of lower sleeve 62 is provided with rotation seat 64, lower sleeve 62 and rotation
Seat 64 is rotatablely connected, and rotation seat 64 is fixedly connected with mounting base 41.Pass through such setting form, it can be ensured that upper bush 61 is under
It can be freely rotated between sleeve.
The outside of lower sleeve 62 is also arranged with driving gear, and installation position is provided on bottom plate 31, and external driving mechanism is removable
On installation position, the power output end of external driving mechanism is rotated by driving gear band to move lower sleeve 62 for the setting unloaded.Herein
External driving mechanism be an auxiliary body, can when needing to adjust the relative position between upper bush 61 and lower sleeve 62
Being arranged external driving mechanism on installation position, under then the power output end of external driving mechanism is by driving gear band dynamic
Sleeve 62 rotates.When the relative position adjusted between upper bush 61 and lower sleeve 62 and then take external driving mechanism away, into
And realize the relative position between convenient adjustment upper bush 61 and lower sleeve 62.
In the present embodiment, by adjusting the setting of stabilizer blade, the height of energy column may be implemented under any circumstance
Degree is adjusted, and improves the efficiency of assembling of combination column.
The technical principle of the utility model is described above in association with specific embodiment, these descriptions are intended merely to explain this reality
With novel principle, it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on explaining herein, ability
The technical staff in domain would not require any inventive effort the other specific implementation modes that can associate the utility model, these
Mode is fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of combination column, which is characterized in that the combination column includes the column unit (1) of two strips, described vertical
Accessory mounting plate (2) is provided between pole unit (1)；
The accessory mounting plate (2) includes plate body (21), and the location structure (22) being arranged on plate body (21)；
The location structure (22) is connected on column unit (1)；
Plate body (21) setting is fixedly connected between two column units (1), and with column unit (1)；
The bottom of two column units (1) is provided with pedestal (3), and the pedestal (3) includes bottom plate (31), and setting exists
Stiffener plate (32) on bottom plate (31)；
The bottom plate (31) is mounted on by bolt on basic (4), and the basis (4) includes mounting base (41) and clump
(42)；
One end of the bolt is connect with mounting base (41), and the other end is connect with bottom plate (31), and is arranged on the screw rod of bolt
There are adjustment stabilizer blade, the adjustment stabilizer blade to be located between bottom plate (31) and mounting base (41)；
The adjustment stabilizer blade includes the upper bush and lower sleeve of mutual socket, and upper bush and lower sleeve are threadedly coupled；
Compression spring is provided in the upper bush and lower sleeve being mutually socketed, one end of compression spring is abutted with upper bush, another
End is abutted with lower sleeve, and after adjustment stabilizer blade is assembled to bottom plate (31) and mounting base (41), compression spring is in pressure always
Contracting state；
The upper bush is fixedly connected with bottom plate (31), and the lower part of the lower sleeve is provided with rotation seat, the lower sleeve with turn
Dynamic seat rotation connection, rotation seat are fixedly connected with mounting base (41)；
The outside of the lower sleeve is also arranged with driving gear, and installation position, external driving mechanism are provided on the bottom plate (31)
Dismountable to be arranged on installation position, the power output end of external driving mechanism is by driving gear band to move lower sleeve rotation.
2. combination column according to claim 1, which is characterized in that the location structure (22) is positioning plate, the plate
The both ends of body (21) are both provided with positioning plate, and positioning plate is vertically arranged with plate body (21).
3. combination column according to claim 2, which is characterized in that the column unit (1) includes backboard (11), and
The side plate (12) at backboard (11) both ends is set and flanging (13) that side plate (12) end bends inwards；
The backboard (11) of two column units (1) is oppositely arranged, and the side plate (12) of two column units (1) prolongs in the opposite direction
Exhibition, plate body (21) are arranged between two backboards (11), and positioning plate is connected to the outside of side plate (12).
4. combination column according to claim 2, which is characterized in that the plate body (21) and the centre position of positioning plate connect
It connects.
5. combination column according to claim 2, which is characterized in that pass through spiral shell between the plate body (21) and backboard (11)
Nail connects, and screw hole is provided on the plate body (21) and backboard (11), at least on one of plate body (21) or backboard (11)
Screw hole be strip type hole.
6. combination column according to claim 1, which is characterized in that be provided between the column unit (1) multiple auxiliary
Mounting plate (2), multiple accessory mounting plates (2) is helped to be uniformly distributed, there are spacing between adjacent accessory mounting plate (2).
7. combination column according to claim 3, which is characterized in that be provided on the side plate (12) and location structure
(22) corresponding locating slot.
8. combination column according to claim 1, which is characterized in that the stiffener plate (32) is trapezium structure, length
Side is fixedly connected with bottom plate (31)；
Stiffener plate (32) setting is fixedly connected between two column units (1), and with column unit (1)；
Former and later two surfaces of the stiffener plate (32) are both provided with a pair of symmetrical positioning protrusion (33), are located at same
Spacing between positioning protrusion (33) on surface is of same size with column unit (1).
9. combination column according to claim 2, which is characterized in that the mounting base (41) includes holder (411) and peace
The both ends of loading board (412), the mounting plate (412) are both provided with holder (411), and the end of the holder (411) has bending
Structure, holder (411) end are interior in clump (42) by the form setting poured；
The bottom plate (31) and mounting plate (412) are connected by screw, and screw hole, mounting plate are both provided on the bottom plate (31)
(412) straight slot (413) is provided on, the head of screw is limited in straight slot (413).
10. combination column according to claim 9, which is characterized in that the screw hole on the bottom plate (31) is long waist shaped
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927224.2U CN207959501U (en) | 2017-12-29 | 2017-12-29 | A kind of combination column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927224.2U CN207959501U (en) | 2017-12-29 | 2017-12-29 | A kind of combination column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207959501U true CN207959501U (en) | 2018-10-12 |
Family
ID=63731834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721927224.2U Expired - Fee Related CN207959501U (en) | 2017-12-29 | 2017-12-29 | A kind of combination column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207959501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989192A (en) * | 2017-12-29 | 2018-05-04 | 广东象博生态科技有限公司 | One kind combination column |
| CN114856230A (en) * | 2022-06-15 | 2022-08-05 | 济南市人防建筑设计研究院有限责任公司 | Ventilation shaft assembled steel construction shed frame that collapses among civil air defense engineering |
-
2017
- 2017-12-29 CN CN201721927224.2U patent/CN207959501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989192A (en) * | 2017-12-29 | 2018-05-04 | 广东象博生态科技有限公司 | One kind combination column |
| CN114856230A (en) * | 2022-06-15 | 2022-08-05 | 济南市人防建筑设计研究院有限责任公司 | Ventilation shaft assembled steel construction shed frame that collapses among civil air defense engineering |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |