CN220768418U - Base structure for tent - Google Patents
Base structure for tent Download PDFInfo
- Publication number
- CN220768418U CN220768418U CN202322557270.XU CN202322557270U CN220768418U CN 220768418 U CN220768418 U CN 220768418U CN 202322557270 U CN202322557270 U CN 202322557270U CN 220768418 U CN220768418 U CN 220768418U
- Authority
- CN
- China
- Prior art keywords
- base
- tent
- plate
- core
- base structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The utility model discloses a base structure for a tent, which comprises a base and a bottom sleeve core; the foundation base comprises a bottom plate, a mounting seat, an inclined pulling seat and a limiting pin; the mounting seat comprises a pair of upright plates which are oppositely arranged, and a pair of jacks are arranged on the upright plates; the bottom sleeve core comprises a guide core and a bottom support; the base is connected with the bottom sleeve core through a bolt; the utility model adopts a double-vertical plate design, a pair of jacks are arranged on the vertical plate, the vertical plate is connected with the bottom sleeve core by adopting double bolts, the bending bearing capacity and the shearing bearing capacity of the whole base structure are increased, the stress of the base is good, the stability and the firmness are realized, and the safety problem of fixing a large tent is solved; the base structure has the advantages of simple structure, easy processing and production, and convenient transportation and storage.
Description
Technical Field
The utility model relates to the technical field of tent houses, in particular to a base structure for a tent house.
Background
The base of the tent is used for fixing the movable tent and is one of the key components of the movable tent. The conventional base structure in the existing tent mainly comprises a base plate, two vertical plates, a vertical plate connecting plate and a ground beam pin. The single connection has the advantages that the stress is limited to a certain extent, the adjustment cannot be performed, and the single connection cannot be suitable for large-section and large-span tent houses.
Disclosure of Invention
The utility model provides a base structure for a tent, which solves the problems in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: a base structure for a tent comprises a base and a bottom sleeve core; the foundation base is connected with the ground, one end of the bottom sleeve core is connected with the foundation base, and the other end of the bottom sleeve core is connected with the upright post of the tent;
the foundation base comprises a bottom plate, and the bottom plate is provided with a mounting seat, a pair of inclined pulling seats and a pair of limiting pins; the pair of inclined pulling seats are respectively arranged at two sides of the mounting seat; a plurality of grounding holes are formed in the periphery of the bottom plate and are used for being connected with the ground; the mounting seat comprises a pair of upright plates which are oppositely arranged, and a pair of jacks are arranged on the upright plates;
the bottom sleeve core comprises a guide core and a bottom support, and the guide core is inserted into the bottom of the upright post of the tent and is connected with the upright post of the tent through a bolt; the bottom support is arranged at the bottom of the guide core, pin shaft holes matched with the jacks are respectively formed in two side walls of the bottom support, and the opposite pin shaft holes in the two side walls are connected through a guide pipe;
the base is connected with the bottom sleeve core through a bolt, and the bolt passes through the corresponding jack and the corresponding guide pipe during installation.
Preferably, the lateral surface of riser is equipped with the support arm, is equipped with deep floor between two risers.
Preferably, the section of the supporting arm is in a right trapezoid structure, the right-angle waist edge of the supporting arm is connected with the outer side surface of the vertical plate, and the bottom edge of the supporting arm is connected with the bottom plate; the cross section of the reinforcing rib plate is of a rectangular structure, the side edge of the reinforcing rib plate is connected with the inner side face of the vertical plate, and the bottom edge of the reinforcing rib plate is connected with the bottom plate.
Preferably, the cable-stayed seat comprises a pair of sleeves which are oppositely arranged, a cushion block is arranged at the bottom of each sleeve, and the cushion blocks are fixedly connected with the bottom plate.
Preferably, the mounting seat is located on the top surface of the bottom plate and is biased to one side, and the limiting pin is arranged close to the other side of the bottom plate.
Preferably, the guide core comprises two clamping plates which are oppositely arranged, a plurality of connecting holes are formed in the clamping plates, reinforcing sleeves which are matched with the connecting holes one by one are arranged between the two clamping plates, and the reinforcing sleeves are used for connecting the connecting holes which are oppositely arranged in the two clamping plates; a reinforcing rib sheet is arranged between the two clamping plates.
Preferably, the materials of the foundation base and the bottom sleeve core are section steel; arc chamfer transition is adopted at four corners of the bottom plate.
Preferably, the bottom plate is also provided with a plurality of threaded holes.
Preferably, the mounting seat, the inclined pulling seat and the limiting pin are all connected with the bottom plate in a welding mode; the guide core is welded with the bottom support.
Preferably, the outer surfaces of the base and the bottom sleeve core are coated with an anti-corrosion paint layer.
Compared with the prior art, the utility model has the beneficial effects that: the base structure adopts a double-vertical plate design, the vertical plates are provided with a pair of jacks, the vertical plates are connected with the bottom sleeve core through double bolts, the bending bearing capacity and the shearing bearing capacity of the whole base structure are increased, the base is stressed well, and the base structure is stable and firm, so that the safety problem of fixing a large tent is solved; the foundation base has simple structure, low cost and convenient production; the base structure of the utility model has the advantages of simple structure, easy processing and production and convenient transportation and storage; the stress is excellent, the bending resistance bearing capacity of the node reaches the semi-rigid connection performance, and the node is safe and stable; the bottom sleeve core is matched with the tent upright post for use, and once the tent upright post is damaged locally, accessories can be quickly replaced, so that the tent is more reasonable and safer to use.
Drawings
FIG. 1 is a diagram showing the installation effect of a base structure for a tent according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a base structure of a base structure for a tent of an embodiment of the present utility model;
FIG. 4 is a side view of a base of a base structure for a tent of an embodiment of the present utility model;
FIG. 5 is a side cross-sectional view of a bottom core of a base structure for a tent;
FIG. 6 is another side cross-sectional view of a bottom core of a base structure for a tent of an embodiment of the present utility model;
in fig. 1 to 6, the correspondence between the names of the respective components and the reference numerals of the drawings is:
1-foundation base, 11-bottom plate, 12-installation seat, 121-vertical plate, 1211-jack, 122-supporting arm, 123-reinforcing rib plate, 13-inclined-pulling seat, 131-sleeve, 132-cushion block, 14-limit pin, 15-grounding hole, 16-threaded hole, 2-bottom sleeve core, 21-guide core, 211-clamping plate, 2111-connecting hole, 212-reinforcing sleeve, 22-bottom support, 221-pin shaft hole, 23-guide pipe, 3-upright post and 4-inclined beam.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, the present utility model provides a base structure for a tent, comprising a base 1 and a bottom core 2; the foundation base 1 is connected with the ground, one end of the bottom sleeve core 2 is connected with the foundation base 1, and the other end of the bottom sleeve core is connected with the upright post 3 of the tent;
the foundation base 1 comprises a bottom plate 11, wherein the bottom plate 11 is provided with a mounting seat 12, a pair of inclined pulling seats 13 and a pair of limiting pins 14; the pair of inclined pulling seats 13 are respectively arranged at two sides of the mounting seat 12; a plurality of grounding holes 15 are formed around the bottom plate 11, and the grounding holes 15 are used for being connected with the ground; the mounting base 12 comprises a pair of opposite vertical plates 121, and a pair of inserting holes 1211 are formed in the vertical plates 121;
the bottom sleeve core 2 comprises a guide core 21 and a bottom support 22, wherein the guide core 21 is inserted into the bottom of the upright post 3 of the tent and is connected with the upright post 3 of the tent through bolts; the bottom support 22 is arranged at the bottom of the guide core 21, pin shaft holes 221 matched with the insertion holes 1211 are respectively formed in two side walls of the bottom support 22, and the opposite pin shaft holes 221 on the two side walls are connected through a guide pipe 23;
the base 1 is connected with the bottom sleeve core 2 through bolts, and the bolts penetrate through corresponding jacks 1211 and the guide pipes 23 during installation.
The main supporting structure in the tent is provided with an upright post 3 and an inclined beam 4, wherein the inclined beam 4 is connected with the upright post 3, and the bottom of the upright post 3 is connected with the ground. In the embodiment of the utility model, the upright post 3 is connected with the ground through a base structure, specifically, the bottom of the upright post 3 is connected with the bottom sleeve core 2, the bottom sleeve core 2 is connected with the foundation base 1, and the foundation base 1 is connected with the ground through expansion bolts.
The bottom sleeve core 2 comprises a guide core 21 and a bottom support 22, wherein the guide core 21 is used for being in butt joint with the upright post 3, and the guide core 21 is inserted into the upright post 3 and fixed through bolts. The base 22 is used for connecting with the base 1, and the base 22 is provided with a pair of pin holes 221, and the pin holes 221 are matched with a pair of inserting holes 1211 on the vertical plate 121 in a one-to-one correspondence manner. In order to improve the structural strength of the bottom support 22, two guide pipes 23 are arranged between two side walls of the bottom support 22, one end of each guide pipe 23 is connected with a pin shaft hole 221 on one side wall, the other end of each guide pipe 23 is connected with a corresponding pin shaft hole 221 on the other side wall, and the support effect of each guide pipe 23 enables the structure of the bottom support 22 to be more stable and not easy to deform, so that the possibility of deformation in the use process is reduced.
The conventional upright 3 mostly adopts a rotating shaft and a base for butt joint, and in this embodiment, two bolts are adopted, and when in installation, the bolts pass through the insertion holes 1211 from one side of the upright 121, then pass through the pin shaft holes 221 and the guide pipes 23, then pass out from the pin shaft holes 221 on the other side of the bottom support 22, then extend out from the insertion holes 1211 of the other upright 121, and then are fixed by screws or steel wires.
In order to improve the stability of the tent, the tent is also provided with side scissors, and an X-shaped structure is formed by the two scissors so as to strengthen the longitudinal rigidity of the tent. In this embodiment, a pair of diagonal-pulling seats 13 are arranged in the foundation base 1, compared with the conventional structure in which the upright 3 and the scissor support are mounted on the same component, the split design is adopted in this embodiment, the mounting seat 12 is responsible for the upright 3, the diagonal-pulling seats 13 are responsible for the scissor support, so that interference among different components is reduced, and the bending bearing capacity of the node is improved.
The base plate 11 in this embodiment adopts the design of big plate, and its area is great, has reserved the position of installing the counter weight module, and counter weight module accessible compresses tightly the base plate 11 and increases the mating of covering or awning on a car, boat, etc. room, and the counter weight module can block the spacer pin 14 and increase the stability of connection.
Compared with the method that the upright post 3 is directly arranged on the base through the traditional structure, the structure that the bottom sleeve core 2 is connected with the upright post 3 in the embodiment can reduce the dependence on the upright post 3, avoids the phenomenon that when one of the upright post 3 or the base is damaged, the whole part needs to be replaced, and more industrial waste is easily caused. In addition, adopt the bolt to dock between end cover core 2 and the stand 3 and install, can carry out the altitude mixture control in a certain limit to adapt to different installation conditions and site environment, promoted the flexibility of installation.
Preferably, the outer side surface of the vertical plate 121 is provided with a supporting arm 122, and a reinforcing rib plate 123 is arranged between the two vertical plates 121. The vertical plate 121 is used as an important supporting structure in the foundation base 1, and in order to improve the strength of the vertical plate, a supporting arm 122 is arranged on the outer side surface of the vertical plate 121, and the vertical plate 121 is longitudinally supported by the supporting arm 122; in addition, a strip reinforcing rib plate 123 is arranged between the two vertical plates 121, and stability between the two vertical plates 121 is improved through the reinforcing rib plate 123.
Preferably, the cross section of the supporting arm 122 is in a right trapezoid structure, the right-angled waist edge of the supporting arm is connected with the outer side surface of the vertical plate 121, and the bottom edge of the supporting arm is connected with the bottom plate 11; the cross section of the reinforcing rib plate 123 is in a rectangular structure, the side edge of the reinforcing rib plate is connected with the inner side surface of the vertical plate 121, and the bottom edge of the reinforcing rib plate is connected with the bottom plate 11.
Preferably, the cable-stayed seat 13 includes a pair of opposite sleeves 131, and a cushion block 132 is disposed at the bottom of the sleeve 131, and the cushion block 132 is fixedly connected with the bottom plate 11. In this embodiment, the diagonal brace 13 is formed by a pair of sleeves 131, and when installed, the lateral support or scissor brace of the tent can be placed between the pair of sleeves 131 and then rotatably connected by a pin or screw. Because the inclined pulling seat 13 is independent of the mounting seat 12, a certain space is reserved between the inclined pulling seat 13 and the mounting seat, a certain mounting operation space is provided for mounting the lateral support or the scissor support, and the dismounting is convenient.
Preferably, the mounting seat 12 is located on the top surface of the bottom plate 11 and is biased to one side, and the limiting pin 14 is disposed near the other side of the bottom plate 11. In this embodiment, the installation seat 12 is set at one side, and the space reserved on the bottom plate 11 can be used by the counterweight module of the tent, so that the counterweight module is pressed onto the bottom plate 11, and the downward pressure can be provided for the tent, thereby improving the ability of the tent to resist severe weather. The limiting pin 14 is arranged on the other side, so that the counterweight module is conveniently connected by hooking the limiting pin 14, and the counterweight module is prevented from being separated from the bottom plate 11.
Preferably, the guide core 21 includes two clamping plates 211 disposed opposite to each other, a plurality of connecting holes 2111 are disposed on the clamping plates 211, and a reinforcing sleeve 212 matching with the connecting holes 2111 one by one is disposed between the two clamping plates 211, and the reinforcing sleeve 212 connects the connecting holes 2111 disposed opposite to each other on the two clamping plates 211; a reinforcing rib sheet is arranged between the two clamping plates 211. In this embodiment, the reinforcing sleeve 212 and the reinforcing rib sheet are disposed inside the guide core 21, so as to improve the connection strength between the bottom sleeve core 2 and the upright post 3.
Preferably, the materials of the base seat 1 and the bottom sleeve core 2 are section steel; arc chamfer transition is adopted at four corners of the bottom plate 11.
Preferably, the bottom plate 11 is further provided with a plurality of threaded holes 16. In this embodiment, screw holes 16 are provided at the side of the mounting base 12 and the side of the limiting pin 14, so as to reserve an expanding structure and facilitate the installation of other accessories of the tent.
Preferably, the mounting seat 12, the inclined-pulling seat 13 and the limiting pin 14 are all connected with the bottom plate 11 in a welding manner; the guide core 21 is welded with the bottom support 22.
Preferably, the outer surfaces of the base seat 1 and the bottom sleeve core 2 are coated with anti-corrosion paint layers.
Compared with the prior art, the utility model has the beneficial effects that: the base structure adopts a double-vertical plate design, the vertical plates are provided with a pair of jacks, the vertical plates are connected with the bottom sleeve core through double bolts, the bending bearing capacity and the shearing bearing capacity of the whole base structure are increased, the base is stressed well, and the base structure is stable and firm, so that the safety problem of fixing a large tent is solved; the foundation base has simple structure, low cost and convenient production; the base structure of the utility model has the advantages of simple structure, easy processing and production and convenient transportation and storage; the stress is excellent, the bending resistance bearing capacity of the node reaches the semi-rigid connection performance, and the node is safe and stable; the bottom sleeve core is matched with the tent upright post for use, and once the tent upright post is damaged locally, accessories can be quickly replaced, so that the tent is more reasonable and safer to use.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The base structure for the tent is characterized by comprising a base (1) and a bottom sleeve core (2); the foundation base is connected with the ground, one end of the bottom sleeve core is connected with the foundation base, and the other end of the bottom sleeve core is connected with the upright post (3) of the tent;
the foundation base comprises a bottom plate (11), and the bottom plate is provided with a mounting seat (12), a pair of inclined pulling seats (13) and a pair of limiting pins (14); the pair of inclined pulling seats are respectively arranged at two sides of the mounting seat; a plurality of grounding holes (15) are formed in the periphery of the bottom plate and are used for being connected with the ground; the mounting seat comprises a pair of upright plates (121) which are oppositely arranged, and a pair of jacks (1211) are arranged on the upright plates;
the bottom sleeve core comprises a guide core (21) and a bottom support (22), and the guide core is inserted into the bottom of a stand column of the tent and is connected with the stand column of the tent through a bolt; the bottom support is arranged at the bottom of the guide core, pin shaft holes (221) matched with the insertion holes are respectively formed in two side walls of the bottom support, and the opposite pin shaft holes in the two side walls are connected through a guide pipe (23);
the base is connected with the bottom sleeve core through a bolt, and the bolt passes through the corresponding jack and the corresponding guide pipe during installation.
2. The base structure for a tent of claim 1, wherein the outer side of the upright plates is provided with a supporting arm (122), and a reinforcing rib plate (123) is arranged between the two upright plates.
3. The base structure for a tent of claim 2, wherein the cross section of the support arm is a right trapezoid structure, the right waist edge of the support arm is connected with the outer side surface of the vertical plate, and the bottom edge of the support arm is connected with the bottom plate; the cross section of the reinforcing rib plate is of a rectangular structure, the side edge of the reinforcing rib plate is connected with the inner side face of the vertical plate, and the bottom edge of the reinforcing rib plate is connected with the bottom plate.
4. The base structure for a tent of claim 1, wherein the diagonal draw base comprises a pair of oppositely disposed sleeves (131), and a cushion block (132) is disposed at the bottom of the sleeves and fixedly connected with the bottom plate.
5. The base structure for a tent of claim 1, wherein the mount is located on a top surface of the base plate and is biased to one side, and the limit pin is disposed near the other side of the base plate.
6. The base structure for a tent according to claim 1, wherein the guide core comprises two opposite clamping plates (211), a plurality of connecting holes (2111) are formed in the clamping plates, reinforcing sleeves (212) which are matched with the connecting holes one by one are arranged between the two clamping plates, and the reinforcing sleeves connect the connecting holes which are opposite to each other in the two clamping plates; a reinforcing rib sheet is arranged between the two clamping plates.
7. The base structure for a tent of claim 1, wherein the base and the bottom core are both formed steel; arc chamfer transition is adopted at four corners of the bottom plate.
8. Base structure for a tent according to claim 1, characterized in that the base plate is also provided with a number of threaded holes (16).
9. The base structure for a tent of any one of claims 1 to 8, wherein the mount, the diagonal mount, and the stop pin are all connected to the floor by welding; the guide core is welded with the bottom support.
10. The base structure for a tent of claim 1, wherein the outer surfaces of the base and the bottom core are each coated with a corrosion resistant paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322557270.XU CN220768418U (en) | 2023-09-19 | 2023-09-19 | Base structure for tent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322557270.XU CN220768418U (en) | 2023-09-19 | 2023-09-19 | Base structure for tent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768418U true CN220768418U (en) | 2024-04-12 |
Family
ID=90599934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322557270.XU Active CN220768418U (en) | 2023-09-19 | 2023-09-19 | Base structure for tent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768418U (en) |
-
2023
- 2023-09-19 CN CN202322557270.XU patent/CN220768418U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220768418U (en) | Base structure for tent | |
| CN213174463U (en) | Large-span factory building steel construction beam column | |
| CN211850034U (en) | Mounting and connecting structure of prefabricated external wall panel | |
| CN212317547U (en) | Novel shear force wall reinforcing and supporting system | |
| CN211173109U (en) | Lifting lattice flat frame adjustable free end supporting template early-dismantling system | |
| CN210289119U (en) | Concrete floor aluminum and wood template splicing structure | |
| CN114033145A (en) | Whole-system turnover integral elevator shaft structure construction operation platform | |
| CN218843630U (en) | Flue support | |
| CN215946436U (en) | Novel hollow guide rail for elevator counterweight | |
| CN216380112U (en) | Rigid connection node for separating end plate type concrete filled steel tube beam wall beam with different thicknesses | |
| CN218091400U (en) | Structure swaying column for fixing unit curtain wall | |
| CN219794705U (en) | Split mounting type bracket for mounting precast concrete overhanging balcony slab | |
| CN220686619U (en) | Steel construction elevator crossbeam structure | |
| CN219411790U (en) | Scaffold for outer wall construction | |
| CN215254807U (en) | Heavy-load double-ribbed-plate I-shaped steel beam steel module splicing structure | |
| CN217949305U (en) | Light energy-saving steel structure system | |
| CN220486969U (en) | Wallboard for barracks and barracks | |
| CN213087047U (en) | Connecting device of H-shaped steel stand and crossbeam | |
| CN219196023U (en) | Pull rod-free template structure supported by steel sheet piles | |
| CN220667031U (en) | Assembled construction elevator safety protection canopy | |
| CN219196478U (en) | Reinforced steel structure house support column | |
| CN216945936U (en) | Tower crane attaches wall self-adaptation connecting device | |
| CN210422021U (en) | Assembled box house | |
| CN220434329U (en) | Temporary steel support for mounting oversized-section steel mast | |
| CN215946435U (en) | Elevator is to heavy hollow guide rail of using convenient to installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |