CN216142376U - Vertical main frame structure of scaffold - Google Patents
Vertical main frame structure of scaffold Download PDFInfo
- Publication number
- CN216142376U CN216142376U CN202121804882.9U CN202121804882U CN216142376U CN 216142376 U CN216142376 U CN 216142376U CN 202121804882 U CN202121804882 U CN 202121804882U CN 216142376 U CN216142376 U CN 216142376U
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- vertical rod
- end plate
- scaffold
- guide rail
- inner vertical
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- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 239000000758 substrate Substances 0.000 abstract description 14
- 238000010276 construction Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of scaffolds, in particular to a vertical main frame structure of a scaffold, which is formed by linearly connecting a plurality of substrates, wherein each substrate comprises a guide rail, an inner vertical rod, a first end plate and a second end plate; the guide rail and the inner upright rod are arranged in parallel; the inner vertical rod comprises a body and an inserting part for inserting the adjacent body, and the inserting part is arranged at the end part of the body; the first end plate and the second end plate are respectively connected with the guide rail and the inner vertical rod and are respectively positioned at two opposite ends of the guide rail in the length direction; the base member passes through first end plate and links to each other with the second end plate of adjacent base member to and the interior pole setting of base member is pegged graft mutually in order to realize being connected of base member and adjacent base member with the interior pole setting of adjacent base member. The utility model has simple structure, is convenient for workers to transport and install the components of the base body, and is convenient for the workers to adjust the size of the vertical main framework structure of the scaffold according to the actual engineering requirements.
Description
Technical Field
The utility model relates to the technical field of scaffolds, in particular to a vertical main frame structure of a scaffold.
Background
With the rapid development of national economy, the construction industry keeps a steadily increasing momentum, and the national infrastructure and civil buildings meet a new round of development peak. The urbanization pace is continuously accelerated, the available construction land is less and less, and the development of the city tends to be towards the upper space. Therefore, a large number of high-rise or super high-rise buildings are pulled out, the construction requirements of the high-rise buildings cannot be met by adopting the traditional scaffold, and the attached lifting scaffold is an ideal scaffold for the newly emerging high-rise buildings.
The scaffold in the prior art is a fixed scaffold, namely the scaffold with the height which is required to be built is arranged on a building, so that the scaffold is very inconvenient in construction of high-rise buildings and even super high-rise buildings, and simultaneously, the scaffold greatly occupies building materials. Therefore, in order to solve the above problems, the lifting scaffold has come to be transported. However, in engineering practice, the vertical main frame of the lifting scaffold is generally manufactured in a welding mode, the size of the vertical main frame is fixed, and different building sizes are the same, so that the traditional vertical main frame cannot be used universally on most buildings, and is not beneficial to reducing the construction cost.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the technical problems to be solved by the utility model are as follows: the problem of the vertical main frame size of over-and-under type scaffold frame is not adjustable is solved.
In order to solve the technical problems, the utility model adopts the technical scheme that: a vertical main frame structure of a scaffold is formed by linearly connecting a plurality of base bodies, wherein each base body comprises a guide rail, an inner vertical rod, a first end plate and a second end plate;
the guide rail and the inner vertical rod are arranged in parallel;
the inner vertical rod comprises a body and an inserting part for inserting the adjacent body, and the inserting part is arranged at the end part of the body;
the first end plate and the second end plate are respectively connected with the guide rail and the inner vertical rod and are respectively positioned at two opposite ends of the guide rail in the length direction;
the base member passes through first end plate and links to each other with the second end plate of adjacent base member, and the interior pole setting of base member is pegged graft mutually with the interior pole setting of adjacent base member in order to realize the base member is connected with adjacent base member.
The positioning structure comprises a first part and a second part, and the first part and the second part are respectively arranged on the first end plate and the second end plate.
The guide rail comprises two parallel and symmetrically-arranged channel steel and a plurality of protection shafts arranged between the channel steel and along the length direction of the channel steel at intervals in sequence.
Wherein, still include the connecting piece, the connecting piece is provided with a plurality ofly, and is a plurality of the connecting piece is followed the length direction of guide rail sets up at interval in proper order, the connecting piece includes first base plate and second base plate, the one end of first base plate and second base plate respectively with two the side of channel-section steel is connected, the other end all with interior pole setting links to each other.
The protective sheet is sleeved at the joint of the inner upright rod and the adjacent inner upright rod.
Wherein, still include outer pole setting, pavement slab and tripod, outer pole setting with the mutual parallel arrangement of interior pole setting, outer pole setting with the structure of interior pole setting is the same, pavement slab is provided with a plurality ofly, and is a plurality of pavement slab follows the length direction of interior pole setting interval in proper order sets up and is located between interior pole setting and the outer pole setting, the tripod is the right triangle frame construction that forms by three angle steel end to end, every pavement slab's below all is provided with the tripod, the tripod respectively with interior pole setting and outer pole setting link to each other.
The base body is arranged on the lower portion of the base body, and the horizontal truss is arranged on the lower portion of the base body and is connected with the inner vertical rod and the outer vertical rod of the base body respectively.
The base body comprises a base body, and is characterized by further comprising a pocket bottom rod, wherein the pocket bottom rod is located at the upper end of the horizontal truss and is respectively connected with the inner vertical rod and the outer vertical rod of the base body.
The utility model has the beneficial effects that: the size of the vertical main frame of the scaffold is adjusted by arranging the vertical main frame of the scaffold to be formed by linearly connecting a plurality of matrixes; the base body is formed by splicing a guide rod, an inner vertical rod, a first end plate and a second end plate, so that operators can conveniently transport all the parts of the base body and quickly assemble the parts on an engineering site; the end part of the inner vertical rod is provided with the inserting part to be connected with the adjacent inner vertical rod in an inserting mode, so that the connecting strength between the two adjacent base bodies is improved.
Drawings
FIG. 1 is a schematic view of a vertical main frame structure of a scaffold according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection of a substrate to an adjacent substrate in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view showing the connection of a guide rail and an inner stand bar according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
fig. 5 is a schematic structural view of an inner vertical rod and an adjacent inner vertical rod in a plugging state according to an embodiment of the present invention;
fig. 6 is an enlarged view of a portion B in fig. 1.
Description of reference numerals: 1. a guide rail; 11. channel steel; 12. a guard shaft; 13. a first substrate; 14. a second substrate; 15. a first end plate; 16. a second end plate; 2. an inner vertical rod; 21. a plug-in part; 22. a protective sheet; 3. an outer vertical rod; 4. a tripod; 5. a walkway plate; 6. a horizontal truss; 7. a bottom covering rod.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the utility model is as follows: the base member passes through first end plate and links to each other with the second end plate of adjacent base member to and the interior pole setting of base member is pegged graft mutually with the interior pole setting of adjacent base member, with the realization base member and the connection of adjacent base member, thereby realizes adjusting the size of the vertical main frame structure of scaffold.
Referring to fig. 1 to 6, the present invention relates to a vertical main frame structure of a scaffold, which is formed by linearly connecting a plurality of substrates, each of which includes a guide rail 1, an inner vertical rod 2, a first end plate 15 and a second end plate 16; the guide rail 1 and the inner vertical rod 2 are arranged in parallel; the inner vertical rod 2 comprises a body and an inserting part 21 which is used for being inserted into an adjacent body, and the inserting part 21 is arranged at the end part of the body; the first end plate 15 and the second end plate 16 are respectively connected with the guide rail 1 and the inner vertical rod 2 and are respectively positioned at two opposite ends of the guide rail 1 in the length direction; the base body is connected with a second end plate 16 of an adjacent base body through a first end plate 15, and the inner vertical rod 2 of the base body is connected with the inner vertical rod 2 of the adjacent base body in an inserting mode so that the base body is connected with the adjacent base body.
Referring to fig. 2 and 5, the inner vertical rod 2 includes a body and an inserting portion 21, when the body is a rectangular tube with a specification of 60 × 40 × 3mm, the inserting portion 21 is a rectangular tube with a specification of 50 × 30 × 3.0mm, one end of the body is inserted with the inserting portion 21, part of the inserting portion 21 is inserted into the body and fixed with the body by welding, the other end protrudes out of the body, the other end of the body is an opening, the opening is used for being connected with the inserting portion 21 of the adjacent inner vertical rod 2, preferably, the inner vertical rod 2 is connected with the adjacent inner vertical rod 2 by the inserting portion 21 and fixed by a bolt penetrating through the inner vertical rod 2 and the inserting portion 21.
In order to improve the connectivity of the inner vertical rod 2, it is preferable that the surface of the inner vertical rod 2 has a plurality of connection holes, the plurality of connection holes are sequentially arranged along the length direction of the inner vertical rod 2 at intervals, preferably, the interval between the connection hole and the adjacent connection hole is 185mm, and the diameter of the connection hole is 20 mm.
In order to keep the first end plate 15 and the second end plate 16 parallel to each other when they are connected to the guide rail 1 and the inner upright 2, and in the connected or mounted state, the first end plate 15 and the second end plate 16 are kept horizontal, it is preferred that the length of the guide rail 1 and the length of the inner upright 2 are equal, i.e. in one embodiment, 3m is selected for the guide rail 1 and 3m is selected for the inner upright 2 to cooperate with.
Specifically, the staff is according to the prefabricated scaffold vertical main frame structure's of actual engineering demand part to transport and install to the engineering scene, wherein, first end plate 15 and second end plate 16 weld respectively on guide rail 1 and the relative both ends of the length direction of interior pole setting 2, and make you keep parallel relatively and interval setting with interior pole setting 2, with the base member that constitutes scaffold vertical main frame structure.
When the staff need adjust the size of the vertical main frame structure of scaffold frame according to actual engineering demand, the staff assembles the base member that the equipment is good, and is concrete, the first end plate 15 of base member and the second end plate 16 interconnect of adjacent base member to and interior pole setting 2 in the base member is pegged graft mutually through grafting portion 21 with the interior pole setting 2 of adjacent base member, and pass interior pole setting 2 and grafting portion 21 through the bolt and in order to fix two interior pole settings 2 each other, with the final assembly that realizes a plurality of base members.
Preferably, the first end plate 15 of the basic body and the second end plate 16 of the adjacent basic body are fixed to each other by bolts.
From the above description, the beneficial effects of the present invention are: the size of the vertical main frame of the scaffold is adjusted by arranging the vertical main frame of the scaffold to be formed by linearly connecting a plurality of matrixes; the base body is formed by splicing a guide rod, the inner vertical rod 2, the first end plate 15 and the second end plate 16, so that operators can conveniently transport all parts of the base body and quickly assemble the base body on an engineering site; the end part of the inner vertical rod 2 is provided with the inserting part 21 to be connected with the adjacent inner vertical rod 2 in an inserting mode, so that the connecting strength between the two adjacent base bodies is improved.
Further, referring to fig. 2, the positioning structure includes a first portion and a second portion, and the first portion and the second portion are respectively disposed on the first end plate 15 and the second end plate 16.
Preferably, the positioning structure is a combination of a positioning pin and a positioning hole, specifically, the positioning pin is disposed on the top surface of the first end plate 15, the positioning hole is disposed on the second end plate 16 corresponding to the positioning pin, and the positioning pin passes through the positioning hole to position the first end plate 15 of the base body and the second end plate 16 of the adjacent base body.
Further, referring to fig. 2 and 3, the guide rail 1 includes two channel steel 11 that are parallel to each other and are symmetrically disposed, and a plurality of protection shafts 12 that are disposed between two channel steel 11 and are sequentially disposed at intervals along the length direction of the channel steel 11.
As is apparent from the above description, the structural strength and rigidity of the guide rail 1 are improved by welding a plurality of shield shafts 12 between adjacent two channel bars 11.
Preferably, 6.3# channel-section steel 11 is selected for use to channel-section steel 11, protection axle 12 is the diameter at 30 ~ 80 mm's round steel, follows 11 length direction of channel-section steel arranges a protection axle 12 every 100 mm.
Further, refer to fig. 3, still include the connecting piece, the connecting piece is provided with a plurality ofly, and a plurality ofly the connecting piece is followed the length direction of guide rail 1 sets up at interval in proper order, the connecting piece includes first base plate 13 and second base plate 14, the one end of first base plate 13 and second base plate 14 is connected with two the side of channel-section steel 11 respectively, the other end all with interior pole setting 2 links to each other.
As can be seen from the above description, the strength of the connection between the guide rail 1 and the inner vertical rod 2 and the strength of the base body as a whole are improved by providing a plurality of connecting members between the guide rail 1 and the inner vertical rod 2.
Specifically, one end of the first substrate 13 and one end of the second substrate 14 are welded to the side faces of the two channel steels 11, and the other ends of the first substrate and the second substrate are welded to two opposite faces of the vertical rod, so that the channel steels 11 and the vertical rod are connected.
Preferably, the first connecting plate and the second connecting plate are both steel plates with the thickness of 75mm multiplied by 50mm multiplied by 10mm (thickness).
Further, referring to fig. 5, the protective device further comprises a protective sheet 22, and the protective sheet 22 is sleeved at a joint of the inner vertical rod 2 and the adjacent inner vertical rod 2.
As can be seen from the above description, the protection sheet 22 is sleeved at the connection point of the inner vertical rod 2 and the adjacent inner vertical rod 2, so as to further improve the connection strength and the safety between the inner vertical rod 2 and the adjacent inner vertical rod 2.
In one embodiment, when the inserting part 21 of the inner vertical rod 2 is inserted into the opening of the adjacent inner vertical rod 2, the worker sleeves the protection sheet 22 at the joint of the two, and the protection sheet 22, the inner vertical rod 2 and the inserting part 21 are sequentially penetrated through bolts to realize the connection and fixation of the inner vertical rod 2 and the adjacent inner vertical rod 2.
Further, see fig. 4, still include outer pole setting 3, walk guidance tape 5 and tripod 4, outer pole setting 3 with interior pole setting 2 parallel arrangement each other, outer pole setting 3 with interior pole setting 2's structure is the same, walk guidance tape 5 and be provided with a plurality ofly, a plurality of walk guidance tape 5 follows interior pole setting 2's length direction interval sets gradually and is located between interior pole setting 2 and the outer pole setting 3, tripod 4 is the right angled triangle frame construction that forms by three angle steel end to end, every walk guidance tape 5's below all is provided with tripod 4, tripod 4 respectively with interior pole setting 2 links to each other with outer pole setting 3.
Specifically, the outer vertical rod 3 and the inner vertical rod 2 have the same structure, and the connection mode of the outer vertical rod 3 and the adjacent outer vertical rod 3 is the same as that of the inner vertical rod 2 and the adjacent inner vertical rod 2. More specifically, when a plurality of bases are assembled, the outer vertical rod 3 and the adjacent outer vertical rod 3 are connected with the adjacent outer vertical rod 3 through the insertion part 21 arranged at the end part of the outer vertical rod 3, the protection sheet 22 is sleeved at the connection part, and finally, the through holes arranged on the surfaces of the protection sheet 22, the outer vertical rod 3 and the insertion part 21 are sequentially penetrated through bolts so as to realize the connection and fixation of the three.
In order to improve the stability between the guide rail 1 and the outer upright 3, a tripod 4 is generally fixed below the walkway plate 5, and the walkway plate 5 and the tripod 4 are fixed between the inner upright 2 and the outer upright 3 by bolts passing through connection holes arranged on the surfaces of the inner upright 2 and the outer upright 3.
Preferably, the tripod 4 is formed by connecting angle steels of 500 × 50 × 4.0mm, 750 × 50 × 4.0mm and 874.6 × 50 × 4.0mm, and the end sealing plates are steel plates of 50 × 50 × 5.0 mm.
Further, referring to fig. 6, the foundation comprises a horizontal truss 6, wherein the horizontal truss 6 is arranged at the lower part of the base body at the lowest side and is respectively connected with the inner vertical rod 2 and the outer vertical rod 3 of the base body.
Furthermore, the base also comprises a bottom pocket rod 7, wherein the bottom pocket rod 7 is positioned at the upper end of the horizontal truss 6 and is respectively connected with the inner vertical rod 2 and the outer vertical rod 3 of the base body.
As can be seen from the above description, the horizontal girder 6 and the bottom bar 7 are installed at the lower portion of the lowermost base to support the base and improve the overall strength and stability of the scaffold vertical main frame structure.
Preferably, the horizontal truss 6 and the bottom pocket rod 7 are connected with the inner vertical rod 2 and the outer vertical rod 3 through bolts.
Preferably, the bottom pocket rod 7 is formed by angle steel of 40 × 40 × 4.0 mm.
In the specification, the types of the bolts are all M16, and all steel materials, such as channel steel 11, angle steel and the like, meet the requirements of Q235B in GB/T700.
Example one
Referring to fig. 1 to 6, a scaffold vertical main frame structure is formed by linearly connecting a plurality of substrates, wherein each substrate comprises a guide rail 1, an inner vertical rod 2, a first end plate 15 and a second end plate 16;
the guide rail 1 and the inner vertical rod 2 are arranged in parallel;
the inner vertical rod 2 comprises a body and an inserting part 21 which is used for being inserted into an adjacent body, and the inserting part 21 is arranged at the end part of the body;
the first end plate 15 and the second end plate 16 are respectively connected with the guide rail 1 and the inner vertical rod 2 and are respectively positioned at two opposite ends of the guide rail 1 in the length direction;
the base body is connected with a second end plate 16 of an adjacent base body through a first end plate 15, and the inner vertical rod 2 of the base body is spliced with the inner vertical rod 2 of the adjacent base body so as to realize the connection of the base body and the adjacent base body;
the base body further comprises a positioning structure, and the positioning structure comprises a positioning pin and a positioning hole which are respectively arranged on the first end plate 15 and the second end plate 16;
the guide rail 1 comprises two channel steels 11 which are parallel and symmetrically arranged, and a plurality of round steels which are arranged between the two channel steels 11 and are sequentially arranged at intervals along the length direction of the channel steels 11;
the base body further comprises a plurality of connecting pieces, the connecting pieces are sequentially arranged at intervals along the length direction of the guide rail 1, each connecting piece comprises a first base plate 13 and a second base plate 14, one end of each of the first base plate 13 and the second base plate 14 is connected with the side faces of the two channel steel 11, and the other end of each of the first base plate 13 and the second base plate 14 is connected with the inner vertical rod 2;
the base body further comprises a protection sheet 22, and the protection sheet 22 is sleeved at the joint of the inner vertical rod 2 and the adjacent inner vertical rod 2;
the base body further comprises an outer vertical rod 3, a plurality of walkway plates 5 and triangular supports 4, the outer vertical rod 3 and the inner vertical rod 2 are arranged in parallel, the outer vertical rod 3 and the inner vertical rod 2 are identical in structure, the walkway plates 5 are arranged in plurality, the walkway plates 5 are sequentially arranged at intervals along the length direction of the inner vertical rod 2 and are positioned between the inner vertical rod 2 and the outer vertical rod 3, the triangular supports 4 are of a right-angled triangle frame structure formed by connecting three angle steels end to end, the triangular supports 4 are arranged below each walkway plate 5, and the triangular supports 4 are respectively connected with the inner vertical rod 2 and the outer vertical rod 3;
the base body further comprises a horizontal truss 6, wherein the horizontal truss 6 is arranged at the lower part of the base body at the lowest side and is respectively connected with the inner vertical rod 2 and the outer vertical rod 3 of the base body;
the base body further comprises a bottom bag rod 7, and the bottom bag rod 7 is located at the upper end of the horizontal truss 6 and is connected with the inner vertical rod 2 and the outer vertical rod 3 of the base body respectively;
the surface equipartition of interior pole setting 2 and outer pole setting 3 has the connecting hole that sets up along its length direction interval in proper order, set-square, walk guidance tape 5, horizontal truss 6 and pocket sill bar 7 all link to each other with interior pole setting 2 and outer pole setting 3 respectively through bolt and connecting hole.
In summary, the utility model provides a vertical main frame structure of a scaffold, which is formed by linearly connecting a plurality of substrates, so as to adjust the size of the vertical main frame of the scaffold; the base body is formed by splicing a guide rod, the inner vertical rod 2, the first end plate 15 and the second end plate 16, so that operators can conveniently transport all parts of the base body and quickly assemble the base body on an engineering site; the end part of the inner vertical rod 2 is provided with the inserting part 21 to be connected with the adjacent inner vertical rod 2 in an inserting mode, so that the connecting strength between the two adjacent base bodies is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. The scaffold vertical main frame structure is characterized by being formed by linearly connecting a plurality of base bodies, wherein each base body comprises a guide rail, an inner vertical rod, a first end plate and a second end plate;
the guide rail and the inner vertical rod are arranged in parallel;
the inner vertical rod comprises a body and an inserting part for inserting the adjacent body, and the inserting part is arranged at the end part of the body;
the first end plate and the second end plate are respectively connected with the guide rail and the inner vertical rod and are respectively positioned at two opposite ends of the guide rail in the length direction;
the base member passes through first end plate and links to each other with the second end plate of adjacent base member, and the interior pole setting of base member is pegged graft mutually with the interior pole setting of adjacent base member in order to realize the base member is connected with adjacent base member.
2. The scaffold vertical main frame structure of claim 1, further comprising a positioning structure comprising first and second portions disposed on the first and second end plates, respectively.
3. The scaffold vertical main frame structure according to claim 1, wherein the guide rail comprises two channel steels which are parallel and symmetrically arranged, and a plurality of protection shafts which are arranged between the two channel steels and are sequentially arranged at intervals along the length direction of the channel steels.
4. The scaffold vertical main frame structure according to claim 3, further comprising a plurality of connecting members, wherein the plurality of connecting members are sequentially arranged at intervals along the length direction of the guide rail, each connecting member comprises a first base plate and a second base plate, one end of each of the first base plate and the second base plate is connected with the side surfaces of the two channel steels, and the other end of each of the first base plate and the second base plate is connected with the inner vertical rod.
5. The scaffold vertical main frame structure of claim 1, further comprising a protection sheet sleeved at a joint of the inner upright and an adjacent inner upright.
6. The vertical main frame structure of a scaffold according to claim 1, further comprising an outer vertical rod, a plurality of walkways and a tripod, wherein the outer vertical rod and the inner vertical rod are parallel to each other, the outer vertical rod and the inner vertical rod have the same structure, the walkways are provided in plurality, the walkways are sequentially arranged at intervals along the length direction of the inner vertical rod and are located between the inner vertical rod and the outer vertical rod, the tripod is a right triangle frame structure formed by three angle steels connected end to end, the tripod is arranged below each walkway, and the tripod is respectively connected with the inner vertical rod and the outer vertical rod.
7. The scaffold vertical main frame structure of claim 6, further comprising a horizontal truss disposed at a lower portion of the base located at the lowermost side and connected to the inner and outer uprights of the base, respectively.
8. The scaffold vertical main frame structure of claim 7, further comprising a pocket bottom bar at an upper end of the horizontal truss and connected to the inner and outer uprights of the base, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121804882.9U CN216142376U (en) | 2021-08-04 | 2021-08-04 | Vertical main frame structure of scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121804882.9U CN216142376U (en) | 2021-08-04 | 2021-08-04 | Vertical main frame structure of scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216142376U true CN216142376U (en) | 2022-03-29 |
Family
ID=80805066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121804882.9U Expired - Fee Related CN216142376U (en) | 2021-08-04 | 2021-08-04 | Vertical main frame structure of scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216142376U (en) |
-
2021
- 2021-08-04 CN CN202121804882.9U patent/CN216142376U/en not_active Expired - Fee Related
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Granted publication date: 20220329 |