CN221027087U - Suspension type construction elevator guard gate - Google Patents
Suspension type construction elevator guard gate Download PDFInfo
- Publication number
- CN221027087U CN221027087U CN202322733043.8U CN202322733043U CN221027087U CN 221027087 U CN221027087 U CN 221027087U CN 202322733043 U CN202322733043 U CN 202322733043U CN 221027087 U CN221027087 U CN 221027087U
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- suspension
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- 239000000725 suspension Substances 0.000 title claims abstract description 41
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009194 climbing Effects 0.000 abstract description 11
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application provides a suspension type construction elevator protective door which comprises a suspension fixing piece, a connecting component, a suspension component and a protective door, wherein the connecting component is movably connected with the suspension fixing piece, the suspension component comprises a suspension vertical rod and a suspension cross rod, the suspension vertical rod is movably connected with the connecting component, the suspension cross rod is movably connected with the suspension vertical rod, a first fixing piece is arranged on the suspension cross rod, a second fixing piece is arranged on the protective door, and the protective door is movably connected with the suspension cross rod through the first fixing piece and the second fixing piece. The protective door can climb along with the climbing structure, so that the safety problem that the adjacent edge of the elevator is suspended during climbing is avoided, and the protective door can climb to the construction layer for protection during construction of each layer, so that the problem that the protective door needs to be repeatedly installed is avoided.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a suspension type construction elevator protective door.
Background
In the field of building construction, the external construction elevator is a common tool for vertical transportation of personnel and materials in the construction process, the conventional construction elevator protective door is often fixed on a poured building main structure, and the elevator opening of each layer is fixed with a protective door for protection, so that the conventional construction elevator protective door is only suitable for buildings constructed in common layers.
As in the patent of bulletin number CN210236831U, a construction elevator protective door is disclosed, including being fixed in the door limit guard bar on the construction floor structure face to and set up the first guard gate between the door limit guard bar, first guard gate includes first protection door frame, and installs the protection door leaf in first protection door frame, first protection door frame is including being fixed in two stands and the first horizontal pole of connecting two first stand upper ends on the construction floor structure face. The construction elevator protection door disclosed in the above patent is fixed on the construction floor structure board surface, but to climbing the structure that frame, slipform, building machine etc. rhythm is fast and climb along with building main body structure, because the construction such as pouring has not been accomplished to the building main body of construction layer, the unsettled security problem of limb can appear when climbing. Meanwhile, as each layer is required to be provided with the protective door, the problem that the protective door needs to be repeatedly arranged can occur, and the protective door has certain limitation in practical use.
Disclosure of Invention
The embodiment of the application provides a suspension type construction elevator protective door, which solves the problems of the related technology and has the following technical scheme:
The utility model provides a suspension type construction elevator guard gate, includes suspension mounting, coupling assembling, suspension subassembly and guard gate, coupling assembling and suspension mounting swing joint, suspension subassembly is including hanging the pole setting and hanging the horizontal pole, hangs pole setting and coupling assembling swing joint, hangs the horizontal pole and hangs pole setting swing joint, is equipped with first mounting on the horizontal pole, is equipped with the second mounting on the guard gate, the guard gate passes through first mounting and second mounting and hangs horizontal pole swing joint.
In one embodiment, the connecting assembly comprises a connecting rod and two clamping plates, wherein the two clamping plates are respectively fixed on the left side and the right side of the top of the connecting rod, and the two clamping plates are oppositely arranged.
In one embodiment, the top of the clamping plate is provided with an inverted T-shaped groove, two opposite ends of the top of the clamping plate are respectively fixed with clamping blocks, one end of each clamping block is fixedly connected with the clamping plate, the other end of each clamping block extends obliquely upwards from the middle of the clamping plate, and the two clamping blocks and the clamping plate enclose an inverted T-shaped groove; the hanging fixing piece is I-steel, and the clamping plate is clamped and fixed with the hanging fixing piece through the inverted T-shaped groove.
In one embodiment, the bottom of the connecting rod has a mounting groove recessed from the bottom of the connecting rod to the top of the connecting rod, the top of the hanging pole has a conical head that mates with the mounting groove, and the conical head is mounted in the mounting groove.
In one embodiment, the connecting rod is provided with a first connecting hole, the conical head is provided with a second connecting hole, and the conical head is movably connected with the connecting rod through the first connecting hole and the second connecting hole.
In one embodiment, the connecting assembly further comprises two connecting plates, the two connecting plates are respectively arranged on the left side and the right side of the connecting rod, the two connecting plates are respectively arranged on the left side and the right side of the hanging upright rod, a plurality of third connecting holes are formed in the connecting plates, the connecting plates are movably connected with the connecting rods and the conical heads through the first connecting holes, the second connecting holes and the third connecting holes, a fourth connecting hole is formed in the hanging upright rod, and the connecting plates are movably connected with the hanging upright rod through the third connecting holes and the fourth connecting holes.
In one embodiment, the two connecting components are movably connected with two ends of the hanging fixing piece respectively, the two hanging vertical rods are movably connected with the two connecting components respectively, two ends of the two hanging horizontal rods are movably connected with the two hanging vertical rods respectively, and the protective door is positioned between the two hanging vertical rods and the two hanging horizontal rods.
In one embodiment, the two ends of the hanging cross rod are respectively fixed with a mounting plate, the mounting plates are provided with mounting holes penetrating through the mounting plates left and right, and the mounting plates are movably connected with the hanging vertical rods through the mounting holes and the fourth connecting holes.
In one embodiment, the first fixing piece comprises a first fixing block, a first fixing hole is formed in the first fixing block, the second fixing piece comprises a second fixing block, a second fixing hole is formed in the second fixing block, and the protective door is movably connected with the hanging cross rod through the first fixing hole and the second fixing hole.
In one embodiment, the protective door comprises a door frame and two left and right door leaves which are hinged with two side edges of the door frame respectively, and the second fixing blocks are fixed on the upper side edge and the lower side edge of the door frame.
The advantages or beneficial effects in the technical scheme at least comprise:
The construction elevator protective door comprises a hanging fixing piece, a connecting component, a hanging component and a protective door, when the construction elevator protective door is applied to a building machine, the elevator protective door is fixed at the bottom of a steel platform of the building machine through the hanging fixing piece, and the protective door is connected and fixed with the hanging fixing piece through the connecting component and the hanging component, so that the protective door is fixed at the bottom of the steel platform. Because the guard gate is fixed in steel platform bottom, the guard gate can climb along with the climbing structure of building machine, drives the guard gate by climbing structure and climbs to the elevator mouth department of construction layer, protects the elevator mouth through the guard gate. Because the guard gate can follow the structure of climbing and climb, the overhead safety problem of facing the limit appears when having avoided the elevator to climb, because when every layer of construction, the guard gate all can climb to this construction layer and protect again, has avoided the problem that needs the guard gate of installing repeatedly.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will become apparent by reference to the drawings and the following detailed description.
Drawings
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope.
Fig. 1 is a schematic structural view of a protective door of a suspended construction elevator;
FIG. 2 is a schematic diagram of a combination of a connection assembly and a hanging pole;
FIG. 3 is a schematic structural view of a connection assembly;
FIG. 4 is a schematic view of the structure of a hanging pole;
FIG. 5 is a schematic structural view of a connection plate;
FIG. 6 is a schematic view of the structure of a hanger rail;
FIG. 7 is a schematic structural view of a protective door;
Fig. 8 is a schematic diagram of an elevator door and steel platform combination;
reference numerals illustrate:
1. A hanging fixing piece; 2. a connection assembly; 3. a suspension assembly; 4. a protective door; 21. a connecting rod; 22. a clamping plate; 23. an inverted T-shaped groove; 24. a clamping block; 31. hanging the upright rod; 32. suspending the cross bar; 25. a mounting groove; 310. a conical head; 210. a first connection hole; 311. a second connection hole; 26. a connecting plate; 261. a third connection hole; 312. a fourth connection hole; 321. a mounting plate; 322. a mounting hole; 323. a first fixing member; 41. a second fixing member; 3230. a first fixed block; 3231. a first fixing hole; 410. a second fixed block; 411. a second fixing hole; 42. a door frame; 43. a door leaf; 5. a steel platform.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
As shown in fig. 1, this embodiment discloses a suspension type construction elevator protective door, which comprises a suspension fixing piece 1, a connecting component 2, a suspension component 3 and a protective door 4. Wherein, coupling assembling 2 and hang mounting 1 swing joint, hang subassembly 3 and coupling assembling 2 swing joint, guard gate 4 and hang subassembly 3 swing joint.
As shown in fig. 2 and 3, in order to realize the movable connection between the connecting assembly 2 and the suspension fixing member 1, the connecting assembly 2 includes a connecting rod 21 and two clamping plates 22, the two clamping plates 22 are respectively fixed on two sides of the top of the connecting rod 21, and the two clamping plates 22 are oppositely arranged on the left side and the right side of the connecting rod 21. The top of the clamping plate 22 is provided with an inverted T-shaped groove 23, two opposite ends of the top of the clamping plate 22 are respectively fixed with a clamping block 24, one end of each clamping block 24 is fixedly connected with the clamping plate 22, the other end of each clamping block 24 extends obliquely upwards in the middle of the clamping plate 22, and the two clamping blocks 24 and the clamping plate 22 enclose the inverted T-shaped groove 23.
The hanging fixing piece 1 is I-shaped steel, and the clamping plate 22 is clamped and fixed with the hanging fixing piece 1 through the inverted T-shaped groove 23. When the clamping plate 22 is clamped and fixed with the hanging fixing piece 1, the inverted T-shaped groove 23 on the clamping plate 22 is sleeved from the lower end of the I-steel, so that the lower end of the I-steel is placed in the inverted T-shaped groove 23, and the connecting rod 21 is hung on the hanging fixing piece 1.
Preferably, the number of the connecting assemblies 2 in the embodiment is two, and the two connecting assemblies 2 are respectively movably connected with two ends of the hanging fixing piece 1. The hanging assembly 3 comprises two hanging vertical rods 31 and two hanging cross rods 32, the tops of the two hanging vertical rods 31 are respectively and movably connected with the two connecting assemblies 2, two ends of the two hanging cross rods 32 are respectively and movably connected with the two hanging vertical rods 31, and the protective door 4 is positioned between the two hanging vertical rods 31 and the two hanging cross rods 32.
As shown in fig. 2 to 4, in order to achieve the movable connection of the hanging upright 31 and the connection assembly 2, the bottom of the connection rod 21 has a mounting groove 25 recessed from the bottom of the connection rod 21 to the top of the connection rod 21, the top of the hanging upright 31 has a conical head 310, the conical head 310 is matched with the mounting groove 25, and the conical head 310 is mounted in the mounting groove 25. Preferably, the conical head 310 is disposed at the middle of the hanging upright 31, and the top of the hanging upright 31 is attached to the bottom of the connecting rod 21 after the conical head 310 is mounted in the mounting groove 25.
In order to further realize the fixed connection between the conical head 310 and the connecting rod 21, a first connecting hole 210 is provided on the connecting rod 21, a second connecting hole 311 is provided on the conical head 310, and the conical head 310 is movably connected with the connecting rod 21 through the first connecting hole 210 and the second connecting hole 311. Preferably, the first and second connection holes 210 and 311 may be provided in two or more, and the two or more first connection holes 210 are spaced apart along the height direction of the connection rod 21. After the conical head 310 is mounted in the mounting groove 25, bolts are used to pass through the second connecting hole 311 and the first connecting hole 210, and then the conical head is fixed by nuts.
As shown in fig. 5, to further strengthen the connection of the connecting rod 21 with the hanging upright 31, the connecting assembly 2 further comprises two connecting plates 26, the two connecting plates 26 being respectively disposed on both sides of the connecting rod 21, and the two connecting plates 26 being respectively disposed on both sides of the hanging upright 31. The connecting plate 26 is movably connected with the connecting rod 21 and the hanging upright rod 31, and in order to realize the movable connection between the connecting plate 26 and the connecting rod 21 and the hanging upright rod 31, the connecting plate 26 is provided with a plurality of third connecting holes 261, and the plurality of third connecting holes 261 are arranged at intervals along the height direction of the connecting plate 26. The connecting plate 26 is movably connected with the connecting rod 21 and the conical head 310 through the first connecting hole 210, the second connecting hole 311 and the third connecting hole 261, and is fixed by a screw cap after passing through the third connecting hole 261, the second connecting hole 311 and the first connecting hole 210 by bolts.
The hanging upright 31 is provided with a fourth connecting hole 312, and the connecting plate 26 is movably connected with the hanging upright 31 through the third connecting hole 261 and the fourth connecting hole 312. When the hanging upright 31 is connected with the connecting plate 26, bolts are adopted to pass through the fourth connecting hole 312 and the third connecting hole 261 and then are fixed through nuts.
The connecting rod 21, the connecting plate 26, the hanging upright rod 31 and the conical head 310 of the embodiment are all fixed through connecting holes and bolt connection, the connecting mode is simple and convenient, the fixing is firm, and the disassembly is convenient, so that the turnover use of the construction elevator protective door is convenient.
As shown in fig. 6 and 7, in order to realize the connection and fixation between the suspension cross bar 32 and the suspension upright 31, mounting plates 321 are respectively fixed to both ends of the suspension cross bar 32, mounting holes 322 penetrating the mounting plates 321 right and left are provided on the mounting plates 321, and the mounting plates 321 are movably connected to the suspension upright 31 through the mounting holes 322 and the fourth connecting holes 312. When the hanging cross bar 32 and the hanging upright bar 31 are mounted, the positions of the mounting holes 322 and the fourth connecting holes 312 are corresponding, and then bolts sequentially pass through the third connecting holes 261 and the mounting holes 322 and then are fixed by nuts.
In order to realize the movable connection between the protective door 4 and the hanging cross bar 32, a first fixing piece 323 is arranged on the hanging cross bar 32, a second fixing piece 41 is arranged on the protective door 4, and the protective door 4 is movably connected with the hanging cross bar 32 through the first fixing piece 323 and the second fixing piece 41. Further, the first fixing piece 323 includes a first fixing block 3230, and a first fixing hole 3231 is formed in the first fixing block 3230. The second fixing piece 41 includes a second fixing block 410, a second fixing hole 411 is formed in the second fixing block 410, and the protective door 4 is movably connected with the hanging cross bar 32 through the first fixing hole 3231 and the second fixing hole 411.
Preferably, the first fixing members 323 and the second fixing members 41 are multiple, the second fixing members 41 are disposed on two sides and in the middle of the protective door 4, and the first fixing members 323 and the second fixing members 41 fix the protective door 4 at different positions, so that the protective door 4 is fixed more firmly. When the protective door 4 is connected to the hanger rail 32, the first fixing holes 3231 and the second fixing holes 411 are aligned, and then the first fixing holes 3231 and the second fixing holes 411 are fixed by bolts.
The protective door 4 comprises a door frame 42 and two left and right door leaves 43, the two door leaves 43 are respectively movably hinged with two side edges of the door frame 42, and the second fixing blocks 410 are fixed on the upper side edge and the lower side edge of the door frame 42. The upper side and the lower side of the door frame 42 are fixedly connected with the two hanging cross bars 32, so that the protection door 4 is fixed more firmly.
As shown in fig. 8, the following description will be given of the installation of the protection door 4 by taking the installation of the suspension type construction elevator protection door 4 on the building machine as an example:
Firstly, the I-steel is fixed at the bottom of the steel platform 5 of the building machine, and when the I-steel is fixed with the steel platform 5, the I-steel is fixed through pipe clamps and bolts which are used in the market at present, and then is further fixed through spot welding and the like. The above-mentioned fixed mode of I-steel and steel platform 5 is convenient for dismantle the connection of elevator protection door and steel platform 5 to the turnover of elevator protection door 4 is convenient for use. In other embodiments, the fixed connection of the i-steel to the steel platform 5 may also be achieved directly by welding.
Then, the inverted T-shaped groove 23 on the clamping plate 22 is sleeved from the lower end of the I-steel, and the connecting rod 21 is hung on the I-steel. The cone 310 is then inserted into the mounting groove 25 with the two connection plates 26 placed on the left and right sides of the connection rod 21, and then the connection fixing of the connection plates 26, the connection rod 21, the cone 310 and the hanging pole 31 is achieved by bolts.
Then, the two suspension crossbars 32 are arranged between the two suspension uprights 31, and the connection and fixation of the two suspension crossbars 32 and the two suspension uprights 31 are realized through bolts. Finally, the door frame 42 is placed between the two hanging cross bars 32, the first fixing block 3230 is attached to the second fixing block 410, and then the first fixing block 3230 and the second fixing block 410 are connected and fixed through bolts, so that the installation of the elevator protective door can be completed.
According to the embodiment, the elevator protective door is fixed to the bottom of the steel platform 5 of the building machine through the hanging fixing piece 1, the protective door 4 is connected and fixed with the hanging fixing piece 1 through the connecting component 2 and the hanging component 3, and the protective door 4 is fixed to the bottom of the steel platform 5. Because the guard gate 4 is fixed in steel platform 5 bottom, guard gate 4 can climb along with the structure of climbing of building machine, drive guard gate 4 by climbing structure and climb to the elevator mouth department of construction layer, protect the elevator mouth through guard gate 4. Because the guard gate 4 can follow the structure of climbing and climb, the lift has been avoided appearing facing the unsettled safety problem in limit when climbing, because when every layer of construction, guard gate 4 all can climb to this construction layer and protect again, has avoided the problem that needs install guard gate 4 repeatedly.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a suspension type construction elevator guard gate, its characterized in that, including hanging mounting, coupling assembling, suspension subassembly and guard gate, coupling assembling and suspension mounting swing joint, suspension subassembly is including hanging the pole setting and hanging the horizontal pole, hangs pole setting and coupling assembling swing joint, hangs the horizontal pole and hangs pole setting swing joint, is equipped with first mounting on the horizontal pole, is equipped with the second mounting on the guard gate, the guard gate passes through first mounting and second mounting and hangs horizontal pole swing joint.
2. The overhead construction elevator protective door according to claim 1, wherein the connecting assembly comprises a connecting rod and two clamping plates, the two clamping plates are respectively fixed on the left side and the right side of the top of the connecting rod, and the two clamping plates are oppositely arranged.
3. The suspension type construction elevator protective door according to claim 2, wherein the top of the clamping plate is provided with an inverted T-shaped groove, two opposite ends of the top of the clamping plate are respectively fixed with clamping blocks, one end of each clamping block is fixedly connected with the clamping plate, the other end of each clamping block extends to the obliquely upper side of the middle part of the clamping plate, and the two clamping blocks and the clamping plate enclose the inverted T-shaped groove; the hanging fixing piece is I-steel, and the clamping plate is clamped and fixed with the hanging fixing piece through the inverted T-shaped groove.
4. The overhead construction elevator door of claim 2, wherein the bottom of the connecting rod has a mounting groove recessed from the bottom of the connecting rod to the top of the connecting rod, and the top of the overhead upright has a conical head that mates with the mounting groove, the conical head being mounted in the mounting groove.
5. The overhead construction elevator protective door according to claim 4, wherein the connecting rod is provided with a first connecting hole, the conical head is provided with a second connecting hole, and the conical head is movably connected with the connecting rod through the first connecting hole and the second connecting hole.
6. The overhead working elevator door of claim 4, wherein the connecting assembly further comprises two connecting plates, the two connecting plates are respectively disposed on the left and right sides of the connecting rod, the two connecting plates are respectively disposed on the left and right sides of the suspended upright, the connecting plates are provided with a plurality of third connecting holes, the connecting plates are movably connected with the connecting rods and the conical heads through the first connecting holes, the second connecting holes and the third connecting holes, the suspended upright is provided with a fourth connecting hole, and the connecting plates are movably connected with the suspended upright through the third connecting holes and the fourth connecting holes.
7. The protective door for the suspended construction elevator according to claim 6, wherein the number of the connecting components, the suspended upright rods and the suspended cross rods is two, the two connecting components are respectively movably connected with two ends of the suspended fixing piece, the two suspended upright rods are respectively movably connected with the two connecting components, two ends of the two suspended cross rods are respectively movably connected with the two suspended upright rods, and the protective door is positioned between the two suspended upright rods and the two suspended cross rods.
8. The protective door for a suspended construction elevator according to claim 7, wherein the two ends of the suspending cross bar are respectively fixed with a mounting plate, the mounting plates are provided with mounting holes penetrating through the mounting plates from left to right, and the mounting plates are movably connected with the suspending vertical rods through the mounting holes and the fourth connecting holes.
9. The overhead working elevator door according to any one of claims 1 to 8, wherein the first fixing member comprises a first fixing block, the first fixing block is provided with a first fixing hole, the second fixing member comprises a second fixing block, the second fixing block is provided with a second fixing hole, and the door is movably connected with the hanging cross rod through the first fixing hole and the second fixing hole.
10. The protective door for a suspension type construction elevator according to claim 9, wherein the protective door comprises a door frame and two left and right door leaves, the two door leaves are respectively movably hinged with two side edges of the door frame, and the second fixing blocks are fixed on the upper side edge and the lower side edge of the door frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322733043.8U CN221027087U (en) | 2023-10-11 | 2023-10-11 | Suspension type construction elevator guard gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322733043.8U CN221027087U (en) | 2023-10-11 | 2023-10-11 | Suspension type construction elevator guard gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027087U true CN221027087U (en) | 2024-05-28 |
Family
ID=91132478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322733043.8U Active CN221027087U (en) | 2023-10-11 | 2023-10-11 | Suspension type construction elevator guard gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027087U (en) |
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2023
- 2023-10-11 CN CN202322733043.8U patent/CN221027087U/en active Active
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