CN212671338U - Shock-proof type concatenation formula steel construction - Google Patents
Shock-proof type concatenation formula steel construction Download PDFInfo
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- CN212671338U CN212671338U CN202021329616.0U CN202021329616U CN212671338U CN 212671338 U CN212671338 U CN 212671338U CN 202021329616 U CN202021329616 U CN 202021329616U CN 212671338 U CN212671338 U CN 212671338U
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- wall
- support column
- shock
- upper cover
- lower base
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 238000010276 construction Methods 0.000 title abstract description 18
- 230000000694 effects Effects 0.000 abstract description 14
- 239000007787 solid Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 27
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 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 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a shock-proof type concatenation formula steel construction, including footstock and support column, footstock bottom outer wall integrated into one piece has the activity post, activity post one side outer wall passes through connecting rod and fixation nut fixed mounting in support column one side inner wall, footstock bottom outer wall passes through connecting plate fixed connection in support column one side outer wall, support column bottom outer wall fixed mounting has the bottom plate, support column bottom outer wall integrated into one piece has the center post, support column bottom outer wall fixed mounting has the snubber block, support column bottom outer wall has guide pillar one through solid fixed ring fixed mounting, guide pillar one and center pillar one side outer wall movable mounting in bottom plate one side inner wall, support column one side outer wall integrated into one piece has the location boss, location boss top outer wall fixed mounting has the upper cover plate, upper cover plate. The utility model discloses the support column can not lead to the fixing bolt activity to produce the clearance because of the impact force of a plurality of directions when receiving external force, and overall structure is comparatively stable.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a shock-proof type concatenation formula steel construction.
Background
In prior art, the support frame wide application of steel construction is in the construction trade, and the steel construction is the structure of compriseing steel material, is one of main building structure type, has all adopted the steel construction support frame of concatenation formula at most temporary support post of construction ground, and the dead weight is lighter, and the installation is dismantled conveniently, and the constructor of being convenient for carries the transportation, but because the steel spare is the problem that adopts rigid connection mostly, needs a steel construction support frame that can effective absorption vibrations.
Through the retrieval, chinese patent publication is CN 210562995U's patent, a shock-proof type concatenation formula steel structure cylinder is disclosed, belong to steel building materials technical field, it has been solved current steel structure cylinder with pour the relatively poor problem of shock-absorbing nature behind the pedestal mounting, this shock-proof type concatenation formula steel structure cylinder, including the base with link firmly the steel cylinder on the base through the screw, be connected with the strengthening rib on the steel cylinder, the base is square structure and is provided with the snubber block on four corners, the screw that is used for connecting fixed is seted up at the center of snubber block, vertical welding has the limiting plate between the both sides of snubber block and the contact surface of base, the stopper of the protruding formation integral type in inboard of limiting plate, the snubber block locates steel cylinder bottom surface both sides through the stopper card and links firmly with the base through the vertical screw of wearing to establish in the screw, the below of base is provided with the shock pad, set up the storage tank that can supply the snubber. The above patents suffer from the following disadvantages: be provided with the snubber block at four corners, when the steel construction received external impact force, the snubber block atress that leads to the four corners because of the effect of dispersing of power is inhomogeneous, and the deflection is inconsistent, leads to the fixed screw to receive not equidirectional pulling force to tear, can increase the clearance between base and the snubber block, leads to the uneven and easy not hard up of fixed screw atress, influences building structure's whole safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the shock-proof type concatenation formula steel construction that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shock-absorbing spliced steel structure comprises a top seat and a support column, wherein a movable column is integrally formed on the outer wall of the bottom of the top seat, the outer wall of one side of the movable column is fixedly arranged on the inner wall of one side of the support column through a connecting rod and a fixing nut, the outer wall of the bottom of the top seat is fixedly connected to the outer wall of one side of the support column through a connecting plate, a bottom plate is fixedly arranged on the outer wall of the bottom of the support column, a central column is integrally formed on the outer wall of the bottom of the support column, a shock-absorbing block is fixedly arranged on the outer wall of the bottom of the support column, a first guide column is fixedly arranged on the outer wall of the bottom of the support column through a fixing ring, the first guide column and the outer wall of one side of the central column are movably arranged, the upper cover plate and the inner wall of one side of the lower base are fixedly arranged on the inner wall of one side of the supporting column.
As a further aspect of the present invention: the outer wall of one side of the upper cover plate is provided with a side fixing ring, the outer wall of the bottom of the upper cover plate is machined and formed with a first circular ring, the outer wall of the top of the lower base is machined and formed with a first groove, and the first circular ring and the first groove can be installed in a matched mode.
As a further aspect of the present invention: the outer wall of the bottom of the lower base is machined and formed with a second circular ring, the outer wall of the top of the bottom plate is machined and formed with a second groove, and the second circular ring and the second groove can be installed in a matched mode.
As a further aspect of the present invention: the outer wall of one side of the connecting plate is fixedly arranged on the outer wall of the bottom of the top seat through a fixing bolt, and four mounting planes are arranged on the outer wall of one side of the connecting plate at ninety degrees.
As a further aspect of the present invention: the outer wall of the top of the bottom plate is provided with more than two mounting holes, and the outer wall of the top seat is provided with more than two fixing holes.
As a further aspect of the present invention: four limiting blocks are uniformly arranged on the outer wall of one side of the lower base at ninety degrees, and the outer wall of the bottom of each limiting block is fixedly arranged on the outer wall of the top of the bottom plate.
As a further aspect of the present invention: and a second rubber pad is movably mounted on the outer wall of one side of the connecting rod, and a first rubber pad is movably mounted on the outer wall of one side of the fixed nut.
Compared with the prior art, the utility model provides a shock-proof type concatenation formula steel construction possesses following beneficial effect:
1. this shock-proof type concatenation formula steel construction, through being provided with upper cover plate and lower base, the support column is when receiving the impact force of the limit of predetermineeing in the excess of footstock transmission, can the downward compression snubber block, conduct the impact force to the snubber block, the snubber block can absorb most impact force, because the guide effect of guide pillar one and center pillar, and the slip restriction of location boss and upper cover plate, the slip restriction of lower base and support column outer wall, make the activity of can not all around behind the support column atress, only can move about from top to bottom, upper cover plate and lower base do not use bolted connection with the support column, consequently, when the support column activity, outside fixing bolt can not pull out the clearance because of the activity of support column and atress, can keep this product overall structure's stability.
2. This shock-proof type concatenation formula steel construction, through being provided with the footstock, the footstock is convenient for the staff through activity post and connecting rod and is dismantled and the installation is fixed, simultaneously can effectively disperse the effort that the footstock received to the support column, the connecting plate can be with footstock bottom outer wall fixed mounting in the support column lateral wall, the wholeness of footstock and support column has been strengthened, extra holding power is provided for the footstock, make the footstock can bear stronger effort, the mounting plane can be convenient for the staff installation and dismantle the footstock, fixing bolt and cylindrical outer wall cooperation production installation clearance can be avoided simultaneously.
3. This shock-proof type concatenation formula steel construction, through being provided with ring one and recess one, with ring one corresponding to recess one laminating installation, can improve the bulk strength of upper cover plate and lower base, make the upper cover plate when receiving the external force that the support column conduction was come, can disperse the effort to each part, make the effect of bearing of receiving external impact force of upper cover plate effectively strengthen, simultaneously can be when the support column activity, provide stronger binding power and lateral bracing power for the support column.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.
Drawings
Fig. 1 is an isometric structural schematic view of a shock-absorbing type spliced steel structure provided by the present invention;
fig. 2 is a schematic view of an overall cross-sectional structure of a shock-absorbing type spliced steel structure provided by the present invention;
fig. 3 is a schematic view of a sectional structure of an upper cover plate of a shock-absorbing type splicing steel structure provided by the utility model;
fig. 4 is a schematic cross-sectional view of a lower base of a shock-absorbing type splicing steel structure provided by the utility model;
fig. 5 is a schematic view of the internal structure of the bottom plate of the shock-absorbing type splicing steel structure provided by the utility model;
fig. 6 is a schematic side view of the shock-absorbing type spliced steel structure of the present invention;
fig. 7 is a schematic view of the bottom structure of the connecting plate of the shock-absorbing type splicing steel structure provided by the present invention;
fig. 8 is a schematic structural view of the bottom of the support column of the shock-absorbing type splicing steel structure of the present invention;
fig. 9 is the utility model provides a snubber block schematic structure of shock-proof type concatenation formula steel construction.
In the figure: 1-top seat, 2-connecting rod, 3-supporting column, 4-upper cover plate, 5-lower base, 6-limiting block, 7-bottom plate, 8-mounting hole, 9-fixing hole, 10-rubber pad I, 11-movable column, 12-fixing bolt, 13-guide column I, 14-central column, 15-shock-absorbing block, 16-fixing ring, 17-positioning boss, 18-rubber pad II, 19-side fixing ring, 20-ring I, 21-groove I, 22-ring II, 23-groove II, 24-connecting plate, 25-fixing nut and 26-mounting plane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A shock-absorbing spliced steel structure is provided, in order to prevent a gap from being generated due to movement of a fixing bolt when a supporting column 3 is subjected to external acting force, so that the safety of the whole structure is affected, as shown in figures 1-9, the shock-absorbing spliced steel structure comprises a top seat 1 and a supporting column 3, wherein a movable column 11 is integrally formed on the outer wall of the bottom of the top seat 1, the outer wall of one side of the movable column 11 is fixedly arranged on the inner wall of one side of the supporting column 3 through a connecting rod 2 and a fixing nut 25, the outer wall of the bottom of the top seat 1 is fixedly connected to the outer wall of one side of the supporting column 3 through a connecting plate 24, a bottom plate 7 is fixedly arranged on the outer wall of the bottom of the supporting column 3, a central column 14 is integrally formed on the outer wall of the bottom of the supporting column 3, a shock-absorbing block, a positioning boss 17 is integrally formed on the outer wall of one side of the support column 3, an upper cover plate 4 is fixedly mounted on the outer wall of the top of the positioning boss 17, a lower base 5 is fixedly mounted on the outer wall of the bottom of the upper cover plate 4 through a fixing bolt 12, the outer wall of the bottom of the lower base 5 is fixedly mounted on the outer wall of the top of the bottom plate 7 through a fixing bolt 12, and the inner walls of one sides of the upper cover plate 4 and the lower base 5 are fixedly mounted; the movable column 11 at the bottom of the top seat 1 is arranged on the inner wall of one side of the supporting column 3 through the connecting rod 2 and the fixing nut 25, the top seat 1 is convenient for workers to disassemble, assemble and fix through the movable column 11 and the connecting rod 2, meanwhile, the acting force received by the top seat 1 can be effectively dispersed to the supporting column 3, the shock absorption block 15 is fixedly arranged on the outer wall of the top of the bottom plate 7, the lower base 5 is fixedly arranged on the top of the bottom plate 7, the upper cover plate 4 is sleeved on the outer wall of the supporting column 3, the supporting column 3 is fixedly arranged on the inner wall of the bottom plate 7 through the first guide column 13 and the central column 14, the bottom of the upper cover plate 4 is fixedly arranged on the top of the lower base 5 through the fixing bolt 12, when the supporting column 3 receives the impact force which exceeds the preset limit and is transmitted by the top seat 1, the shock absorption block 15 can be compressed downwards, and the sliding restriction of the positioning boss 17 and the upper cover plate 4, and the sliding restriction of the outer walls of the lower base 5 and the support column 3, so that the support column 3 cannot move back and forth and left and right after being stressed and can only move up and down, and the upper cover plate 4 and the lower base 5 are not connected with the support column 3 by using bolts, so that when the support column 3 moves, the external fixing bolt 12 cannot be pulled out of a gap due to the stress of the support column 3, and the stability of the whole structure of the product can be maintained.
In order to facilitate the detachment and installation of the upper cover plate 4 and ensure the lateral supporting force of the upper cover plate 4, as shown in fig. 1, 3 and 4, a lateral fixing ring 19 is arranged on the outer wall of one side of the upper cover plate 4, a first circular ring 20 is formed on the outer wall of the bottom of the upper cover plate 4 in a machining mode, a first groove 21 is formed on the outer wall of the top of the lower base 5 in a machining mode, and the first circular ring 20 and the first groove 21 can be installed in a matched mode; the solid fixed ring 19 of side can be convenient for the staff installation and dismantle fixing bolt 12, simultaneously can increase the atress buffering area of upper cover plate 4, correspond one 20 ring and laminate the installation to recess 21, can improve the bulk strength of upper cover plate 4 and lower base 5, make upper cover plate 4 when receiving the external force that support column 3 conduction was come, can disperse the effort to each part, make the effect of bearing of receiving external impact force of upper cover plate 4 effectively strengthen, simultaneously can be when support column 3 moves about, provide stronger constraining force and side direction holding power for support column 3.
In order to facilitate the detachment and installation of the lower base 5 and ensure the lateral supporting force of the lower base 5, as shown in fig. 1, 4 and 5, a second ring 22 is formed on the outer wall of the bottom of the lower base 5, a second groove 23 is formed on the outer wall of the top of the bottom plate 7, and the second ring 22 and the second groove 23 can be installed in a matched manner; the installation of two 22 outer walls of ring corresponding to two 23 inner walls of recess, simple to operate is swift, and two 22 rings can provide the side direction holding power for lower base 5 when support column 3 receives external impact force simultaneously for lower base 5 can not receive the outside activity of atress, can guarantee that support column 3 and the holistic fixed position of lower base 5 can not change.
In order to facilitate the installation and the disassembly of the top seat 1 and increase the integrity of the top seat 1 and the supporting column 3, as shown in fig. 2, fig. 6 and fig. 7, the outer wall of one side of the connecting plate 24 is fixedly installed on the outer wall of the bottom of the top seat 1 through the fixing bolt 12, and four installation planes 26 are arranged on the outer wall of one side of the connecting plate 24 at ninety degrees; connecting plate 24 can be with top seat 1 bottom outer wall fixed mounting in 3 lateral walls of support column, has strengthened top seat 1 and support column 3's wholeness, for top seat 1 provides extra holding power, makes top seat 1 can bear stronger effort, and mounting plane 26 can be convenient for the staff installation and dismantle top seat 1, avoids because of the installation clearance that cylindrical outer wall produced.
In order to facilitate installation and use of the product, as shown in fig. 1, the outer wall of the top of the bottom plate 7 is provided with more than two installation holes 8, and the outer wall of the top seat 1 is provided with more than two fixing holes 9; the mounting hole 8 can be convenient for the staff fixed mounting bottom plate 7, and the fixed orifices 9 can be convenient for the staff fixed connection top accessory, have saved the time of relocating and punching.
In order to increase the overall installation strength of the lower base 5, as shown in fig. 1, four limiting blocks 6 are uniformly installed on the outer wall of one side of the lower base 5 at ninety degrees, and the outer wall of the bottom of each limiting block 6 is fixedly installed on the outer wall of the top of a bottom plate 7; the limiting block 6 can provide lateral supporting force for the lower base 5, and when the supporting column 3 is subjected to external impact force, the outer wall of the lower base 5 cannot move and deform due to overlarge impact force.
In order to facilitate the fixed installation of the connecting rod 2, as shown in fig. 1 and 2, a second rubber pad 18 is movably installed on the outer wall of one side of the connecting rod 2, and a first rubber pad 10 is movably installed on the outer wall of one side of the fixing nut 25; because the outer wall of support column 3 is cylindrical, connecting rod 2 produces the clearance easily when the installation, leads to the installation unstable, and rubber pad one 10 and rubber pad two 18 can be extrusion deformation when receiving external acting force, and when connecting rod 2 installation was fixed, can the atress warp and tightly hug support column 3 outer wall, and the clearance between connecting rod 2 and the support column 3 is filled by rubber pad one 10 and rubber pad two 18 for installation that connecting rod 2 can be stable is fixed in support column 3 inner wall.
The working principle is as follows: firstly, a movable column 11 at the bottom of a top seat 1 is arranged on the inner wall of one side of a support column 3 through a connecting rod 2 and a fixed nut 25, the top seat 1 is convenient for workers to disassemble, assemble and fix through the movable column 11 and the connecting rod 2, meanwhile, the acting force received by the top seat 1 can be effectively dispersed to the support column 3, a shock absorption block 15 is fixedly arranged on the outer wall of the top of a bottom plate 7, a lower base 5 is fixedly arranged on the top of the bottom plate 7, an upper cover plate 4 is sleeved on the outer wall of the support column 3, the support column 3 is fixedly arranged on the inner wall of the bottom plate 7 through a first guide column 13 and a central column 14, the bottom of the upper cover plate 4 is fixedly arranged on the top of the lower base 5 through a fixed bolt 12, when the support column 3 receives the impact force which exceeds the preset limit and is transmitted by the top seat 1, the shock absorption block 15 can compress downwards and, and the sliding restriction of the positioning boss 17 and the upper cover plate 4, the sliding restriction of the outer walls of the lower base 5 and the supporting column 3, so that the supporting column 3 can not move back and forth and left and right after being stressed, and can only move up and down, the upper cover plate 4 and the lower base 5 are not connected with the supporting column 3 by using bolts, therefore, when the supporting column 3 moves, the external fixing bolt 12 can not be pulled out of a gap due to the stress of the movement of the supporting column 3, the first ring 20 is attached and installed corresponding to the first groove 21, the integral strength of the upper cover plate 4 and the lower base 5 can be improved, when the upper cover plate 4 receives the external acting force transmitted by the supporting column 3, the acting force can be dispersed to each part, the outer wall of the second ring 22 is directly installed corresponding to the inner wall of the second groove 23, the installation is convenient and fast, and the second ring 22 can provide lateral supporting force for the lower base, make lower base 5 can not the outside activity of atress, mounting hole 8 can be convenient for staff fixed mounting bottom plate 7, staff fixed connection top accessory can be convenient for to fixed orifices 9, because support column 3 outer wall is cylindrical, connecting rod 2 produces the clearance when the installation easily, lead to the installation unstable, rubber pad one 10 and rubber pad two 18 can be extrusion deformation when receiving external acting force, when connecting rod 2 installation is fixed, can atress warp and tightly paste support column 3 outer wall, the clearance between connecting rod 2 and the support column 3 is filled by rubber pad one 10 and rubber pad two 18, make the installation that connecting rod 2 can be stable be fixed in support column 3 inner wall.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A shock-absorbing spliced steel structure comprises a top seat (1) and a support column (3), and is characterized in that a movable column (11) is integrally formed on the outer wall of the bottom of the top seat (1), the outer wall of one side of the movable column (11) is fixedly arranged on the inner wall of one side of the support column (3) through a connecting rod (2) and a fixing nut (25), the outer wall of the bottom of the top seat (1) is fixedly connected to the outer wall of one side of the support column (3) through a connecting plate (24), a bottom plate (7) is fixedly arranged on the outer wall of the bottom of the support column (3), a central column (14) is integrally formed on the outer wall of the bottom of the support column (3), a shock-absorbing block (15) is fixedly arranged on the outer wall of the bottom of the support column (3) through a fixing ring (16), a first guide column (13) is, support column (3) one side outer wall integrated into one piece has location boss (17), location boss (17) top outer wall fixed mounting has upper cover plate (4), upper cover plate (4) bottom outer wall has lower base (5) through fixing bolt (12) fixed mounting, lower base (5) bottom outer wall passes through fixing bolt (12) fixed mounting in bottom plate (7) top outer wall, upper cover plate (4) and lower base (5) one side inner wall fixed mounting in support column (3) one side inner wall.
2. The shock-absorbing spliced steel structure as claimed in claim 1, wherein the outer wall of one side of the upper cover plate (4) is provided with a side fixing ring (19), the outer wall of the bottom of the upper cover plate (4) is formed with a first circular ring (20), the outer wall of the top of the lower base (5) is formed with a first groove (21), and the first circular ring (20) and the first groove (21) can be installed in a mutually matched manner.
3. The shock-absorbing spliced steel structure as claimed in claim 1, wherein the outer wall of the bottom of the lower base (5) is formed with a second circular ring (22), the outer wall of the top of the bottom plate (7) is formed with a second groove (23), and the second circular ring (22) and the second groove (23) can be installed in a matched manner.
4. The shock-absorbing spliced steel structure as claimed in claim 1, wherein the outer wall of one side of the connecting plate (24) is fixedly mounted on the outer wall of the bottom of the top seat (1) through a fixing bolt (12), and four mounting planes (26) are arranged on the outer wall of one side of the connecting plate (24) at ninety degrees.
5. The shock-absorbing spliced steel structure as claimed in claim 1, wherein the outer wall of the top of the bottom plate (7) is provided with more than two mounting holes (8), and the outer wall of the top seat (1) is provided with more than two fixing holes (9).
6. The shock-absorbing spliced steel structure according to claim 1, wherein four limiting blocks (6) are uniformly arranged on the outer wall of one side of the lower base (5) at ninety degrees, and the outer wall of the bottom of each limiting block (6) is fixedly arranged on the outer wall of the top of the bottom plate (7).
7. The shock-absorbing spliced steel structure as claimed in claim 1, wherein a second rubber pad (18) is movably mounted on the outer wall of one side of the connecting rod (2), and a first rubber pad (10) is movably mounted on the outer wall of one side of the fixing nut (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329616.0U CN212671338U (en) | 2020-07-08 | 2020-07-08 | Shock-proof type concatenation formula steel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329616.0U CN212671338U (en) | 2020-07-08 | 2020-07-08 | Shock-proof type concatenation formula steel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671338U true CN212671338U (en) | 2021-03-09 |
Family
ID=74838380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021329616.0U Expired - Fee Related CN212671338U (en) | 2020-07-08 | 2020-07-08 | Shock-proof type concatenation formula steel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671338U (en) |
-
2020
- 2020-07-08 CN CN202021329616.0U patent/CN212671338U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 |