CN116533368B - Adjustable pedestal - Google Patents
Adjustable pedestal Download PDFInfo
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- CN116533368B CN116533368B CN202310307912.2A CN202310307912A CN116533368B CN 116533368 B CN116533368 B CN 116533368B CN 202310307912 A CN202310307912 A CN 202310307912A CN 116533368 B CN116533368 B CN 116533368B
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to the technical field of precast beam pedestals, in particular to an adjustable pedestal, which comprises a support body, a movable platform and a lengthening system, wherein a sinking platform is arranged on one side of the support body, and a slope adjusting device is arranged on the upper part of the support body; the movable platform is connected to the sinking platform in a sliding manner through the power trolley and moves along the upper surface of the sinking platform; the lengthening system is arranged between the mobile platform and the supporting body and comprises a driving device and a plurality of lengthening units, the lengthening units are connected to the driving device, and the driving device is used for driving the lengthening units to sequentially move to the upper surface of the supporting body. According to the structure, in the whole working process, the remote operation mode of the staff can be adopted, the electric equipment achieves the required effect, the automation degree of the whole equipment is improved, the operator only needs to give an operation command, the manual operation is not needed, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of precast beam pedestals, in particular to an adjustable pedestal.
Background
In railway network construction, box girders play a vital role. The prefabrication construction of the box girder can reduce the construction period and save the production cost, so the construction of the prefabrication girder is particularly important. And the pedestal plays an important role in box girder construction.
Please refer to a steel pedestal for precast beam construction and a precast beam construction method disclosed in CN113524386a, by dividing a support section into a gradual change support area and a main support area, the gradual change support area and the main support area comprise a plurality of main support assemblies arranged at intervals, and the support width of the main support assemblies is adjustable, so as to solve the problems of low pedestal interchangeability, inconvenient length and width adjustment and incapability of secondary use in the precast beam manufacturing process in the prior art.
However, for the length adjustment process of the pedestal in the scheme, the operator needs to go to the site to adjust the pedestal in person, the degree of automation is not higher, the difficulty in adjusting the length of the pedestal is increased, the time consumption of the whole project is prolonged, and compared with the prior art, the conventional pedestal with the unadjustable length has insignificant effect on the aspect of cost saving.
Disclosure of Invention
The invention aims to provide an adjustable pedestal to solve the problem of lower automation degree of the adjustable pedestal in the prior art.
The embodiment of the invention is realized by the following technical scheme:
an adjustable pedestal comprising;
the support body, one side of the said support body has offered the sinking platform, its upper portion has slope regulating devices;
the movable platform is connected to the sinking platform in a sliding manner through a power trolley and moves along the upper surface of the sinking platform;
the lengthening system is arranged between the mobile platform and the supporting body and comprises a driving device and a plurality of lengthening units, the lengthening units are connected to the driving device, and the driving device is used for driving the lengthening units to sequentially move to the upper surface of the supporting body.
In an embodiment of the invention, the driving device includes a connection unit and a power device, the connection unit includes a connection column and a connection device, one end of the connection column is slidably connected in the support body, one end of the connection device is connected to one side of the support body, the middle of the connection column is wound on one end of the connection column far away from the support body, the other end of the connection column is slidably connected in the support body, and the power device is disposed in the support body and is used for driving the connection column to move along the length direction of the support body.
In an embodiment of the invention, the connecting device comprises two groups of chains and a supporting plate arranged between the two groups of chains, one end of the connecting column, which is far away from the supporting body, is provided with a connecting shaft and two driving wheels, the two driving wheels are rotatably connected to two ends of the connecting shaft, the two groups of chains are respectively meshed with the two corresponding driving gears, and the supporting plate is provided with an lengthening unit.
In one embodiment of the invention, the extension unit comprises a support column and an extension plate, one end of the support column is connected with the extension plate, and the other end of the support column is connected with the support plate.
In an embodiment of the invention, a spring is further arranged at one end of the chain slidably connected to the inside of the supporting body, and the end of the chain is connected to the inside of the supporting body through a first spring.
In one embodiment of the invention, the connecting post is provided with a pulley.
In one embodiment of the present invention, the power device includes a telescopic cylinder, and a telescopic end of the telescopic cylinder is connected to one end of the connecting column.
In an embodiment of the invention, the slope adjusting device comprises an upper flat plate and a lower flat plate, wherein two sides of the upper flat plate and two sides of the lower flat plate are hinged, two sides of the bottom of the upper flat plate are rotatably connected with a plurality of threaded cylinders, the threaded cylinders are internally connected with screws in a threaded manner, the other ends of the screws are connected with rotating devices, and the rotating devices are arranged on the lower flat plate and used for driving the screws to rotate.
In an embodiment of the present invention, the rotating device includes a motor, a first bevel gear, a second bevel gear and a telescopic device, the first bevel gear is connected to an end of the screw rod far away from the screw tube, the second bevel gear is connected to an end of the telescopic device and meshed with the first bevel gear, the other end of the telescopic device is connected to an output end of the motor, and the motor is disposed on the lower plate.
In an embodiment of the invention, the telescopic device comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is slidably connected into the second connecting rod through a second spring, a limiting groove is formed in the second connecting rod, a limiting protrusion matched with the limiting groove is arranged on the outer surface of the first connecting rod, one end of the second connecting rod is connected with the output end of the motor, and one end of the first connecting rod is connected with the second bevel gear.
The technical scheme of the embodiment of the invention has at least the following advantages and beneficial effects:
the structure of the invention mainly comprises a supporting body, a moving platform and a lengthening system, wherein a sinking platform is arranged on one side of the supporting body, the moving platform is arranged on the sinking platform in a sliding connection manner through a power trolley, and the lengthening system is arranged between the moving platform and the supporting body. According to the structure, in the whole working process, the remote operation mode of the staff can be adopted, the electric equipment achieves the required effect, the automation degree of the whole equipment is improved, the operator only needs to give an operation command, the manual operation is not needed, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a slope adjusting device according to the present invention;
FIG. 3 is a schematic diagram illustrating the connection of a first link to a second link according to the present invention;
FIG. 4 is a left side view of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the connecting shaft of the present invention;
icon: the device comprises a 1-power trolley, a 2-moving platform, a 3-lengthening plate, a 4-supporting column, a 5-chain, a 6-connecting column, a 7-driving wheel, an 8-supporting body, a 9-pulley, a 10-telescopic cylinder, a 11-first spring, a 12-first connecting rod, a 13-limit protrusion, a 14-second connecting rod, a 15-second spring, a 16-connecting shaft, a 17-threaded cylinder, a 18-first bevel gear, a 19-second bevel gear, a 20-upper flat plate, a 21-screw, a 22-motor, a 23-lower flat plate and a 24-sinking platform.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1-5, the adjustable pedestal provided by the present invention includes a support body 8, a moving platform 2 and an extension system.
The supporting body 8 is a supporting structure of the whole device, the related equipment for manufacturing the precast beams is arranged on the supporting body 8, and the precast beams are manufactured on the supporting body 8, in the scheme, a sinking platform 24 is arranged at a certain position of the supporting body 8, the sinking platform 24 is lower than the upper surface of the supporting body 8, in a popular way, a space for arranging other devices is formed by hollowing out at a certain position of the supporting body 8, the space is a basis for adjusting the length of the whole pedestal, and in addition, a slope regulator is also arranged on the supporting body 8, and further development and explanation are carried out in the following embodiments.
The movable platform 2 is arranged on the sinking platform 24, the height of the upper surface of the movable platform 2 is required to be basically equal to the height of the upper surface of the supporting body 8, the movable platform 2 and the supporting body 8 are required to be installed and manufactured to jointly support the precast beam, the power trolley 1 is arranged at the bottom of the movable platform 2, and the power trolley 1 can drive the movable platform 2 to freely move on the sinking platform 24.
In this embodiment, the power trolley 1 may adopt a conventional structure, for example, a conventional vehicle body is provided with driving wheels and a power source, the moving platform 2 is erected on the conventional vehicle body, the driving wheels are driven by the power source to rotate, so as to achieve the purpose of movement, the power source may preferably adopt a servo motor 22 accelerator and decelerator, and the driving wheels may preferably adopt steel materials due to the possibly larger mass of the moving platform 2, and corresponding steel rails are paved on the sinking platform 24.
The lengthening system is arranged between the mobile platform 2 and the supporting body 8 and comprises a driving device and a plurality of lengthening units, the lengthening units are connected to the driving device, and the driving device is used for driving the lengthening units to sequentially move to the upper surface of the supporting body 8.
The structure of the invention mainly comprises a supporting body 8, a moving platform 2 and a lengthening system, wherein a sinking platform 24 is arranged on one side of the supporting body 8, the moving platform 2 is arranged on the sinking platform 24 in a sliding connection manner through a power trolley 1, and the lengthening system is arranged between the moving platform 2 and the supporting body 8. In the construction process, the power trolley 1 can be started to drive the movable platform 2 to move on the sinking platform 24, a certain gap is formed between the movable platform 2 and the supporting body 8, a plurality of lengthening units are arranged, after the driving device is started, the lengthening units can be driven to move to the upper surface of the supporting body 8 and flush with the upper surface of the supporting body 8, the gap formed between the movable platform 2 and the supporting body 8 is filled, the purpose of increasing the usable length of the whole pedestal is achieved, according to the length to be adjusted, the number of lengthening units to be driven can be determined by oneself to serve as an extended supporting surface, according to the structure, in the whole working process, a mode of remote operation by workers can be adopted, the required effect is achieved by electric equipment, the automation degree of the whole equipment is improved, only an operator is required to carry out a down operation command, and the working efficiency is improved without specific manual operation adjustment.
In an exemplary embodiment of the present invention, the driving device mainly includes a connection unit and a power device, the connection unit includes a connection post 6 and a connection device, a cavity is formed in the support body 8, so that one end of the connection post 6 can slide in the support body 8, the moving direction is along the length direction of the support body 8, and it should be noted that the setting height of the connection post 6 from the upper surface of the support body 8 needs to be equal to the length of the addition unit.
In order to enable the connecting column 6 to slide inside the supporting body 8 more smoothly, a plurality of pulleys 9 can be arranged on the connecting column 6, sliding friction between the connecting column 6 and the supporting body 8 is replaced by rolling of the pulleys 9 and the supporting body 8, abrasion is reduced, and the power device is arranged in the supporting body 8 and used for driving the connecting column 6 to move along the length direction of the supporting body 8.
The other end of spliced pole 6 is located support body 8 outsidely, specifically is located between moving platform 2 and support body 8, and connecting device one end is connected in one side of support body 8, and its middle winding sets up in the one end that spliced pole 6 kept away from support body 8, and its other end sliding connection is in support body 8, and power device sets up in support body 8 and is used for driving spliced pole 6 and removes along support body 8 length direction.
More specifically, the connecting device mainly comprises two groups of chains 5 and a supporting plate arranged between the two groups of chains 5, wherein an lengthening unit is arranged on the supporting plate, specifically, the lengthening unit comprises a supporting column 4 and a lengthening plate 3, one end of the supporting column 4 is connected with the lengthening plate 3, and the other end of the supporting column is connected with the supporting plate.
It should be noted that, in this embodiment, the chains 5 use conventional plate-type chains 5, and support plates are connected to the sides of each chain 5 block, so that the support plates are connected between the two groups of chains 5, and the connection of the support plates does not affect the normal movement of the chains 5 at the bending position.
The connecting shaft 16 and the two driving wheels 7 are arranged at one end of the connecting column 6 far away from the supporting body 8, the connecting shaft 16 can be fixedly arranged at one end of the connecting column 6 in a welding mode, the two driving wheels 7 are respectively connected to two sides of the connecting shaft 16 in a rotating mode, and the driving wheels 7 can be meshed with the chain 5 by adopting conventional chain wheels.
More specifically, one end of the chain 5 can be fixedly connected to the supporting body 8 in a welding mode, the connecting point is located on the upper portion of the connecting column 6, the middle portion of the chain 5 is wound on the driving wheel 7 of the connecting column 6, the other end of the chain 5 is slidably connected to the inside of the supporting body 8, the connecting point is located on the lower portion of the connecting column 6, in order to enable the chain 5 to be in a tight state, a better transmission effect is achieved, one end of the sliding connection inside the supporting body 8 is provided with a first spring 11, and the sliding connection is connected to the supporting body 8 through the first spring 11, so that the effect of tightening the chain 5 is achieved.
In the process of operation of the whole device, when the whole device needs to be lengthened, after the power trolley 1 drives the moving platform 2 to move, after the gap filled by the lengthening unit is reserved, the power device is started, the power device drives the connecting column 6 to move towards the direction away from the supporting body 8, and then drives the driving wheel 7 to move forwards, as two ends of the chain 5 are respectively fixed and movably connected in the supporting body 8, one end of the chain 5 movably connected in the supporting body 8 starts to move towards the direction away from the supporting body 8, the whole length of the chain 5 starts to be lengthened, the position where the chain 5 is meshed with the driving wheel 7 rotates, the lengthening unit arranged on the supporting plate starts to rotate until the lengthening unit rotates to be flush with the supporting body 8, the lengthening unit fills the gap between the moving platform 2 and the supporting body 8, so that the precast beam is supported, the lengthening length is needed, and the lengthening unit rotates to be flush with the supporting body 8.
On the other hand, when the reduction is needed, the power device is started in the same way, so that the power device drives the connecting column 6 to move towards the direction close to the supporting body 8, the first spring 11 releases the elastic force, one end of the chain 5 movably connected in the supporting body 8 starts to move towards the direction close to the supporting body 8, and the lengthening unit starts to rotate and is retracted into the space lower than the supporting body 8.
In this embodiment, the power device preferably adopts the telescopic cylinder 10, the telescopic end of the telescopic cylinder 10 is connected with one end of the connecting column 6, the telescopic cylinder 10 has the simplest structure, and the technical effect to be achieved by the scheme can be well achieved.
The invention also provides an improved scheme of the slope adjusting device, the conventional scheme of the slope adjusting device comprises an upper flat plate 20 and a lower flat plate 23, the two sides of the upper flat plate 20 and the lower flat plate 23 are hinged, the common slope adjuster is used for manually adjusting the slope of the upper flat plate 20, and the scheme basically adopts an electric control mode to improve automation in working, so the slope adjusting device also adopts an electric control scheme,
specifically, a plurality of thread cylinders 17 are rotatably connected to two sides of the bottom of the upper plate 20, a screw 21 is connected to the thread cylinders 17 in a threaded manner, a rotating device is connected to the other end of the screw 21, and the rotating device is arranged on the lower plate 23 and used for driving the screw 21 to rotate.
In this embodiment, the rotating device includes a motor 22, a first bevel gear 18, a second bevel gear 19 and a telescopic second bevel gear 19, where the telescopic second bevel gear 19 is fixedly connected to one end of the telescopic device and engaged with the first bevel gear 18, the other end of the telescopic device is connected to the output end of the motor 22, and the motor 22 is disposed on a lower plate 23.
When the gradient needs to be adjusted, the motor 22 is started, the motor 22 starts to drive the telescopic device to rotate, then the first bevel gear 18 and the second bevel gear 19 start to rotate, the second bevel gear 19 drives the screw rod 21 to rotate, under the threaded connection with the threaded sleeve, the top of the screw rod 21 starts to be close to or far away from the upper flat plate 20, the upper flat plate 20 inclines, the telescopic device stretches or shortens, the threaded cylinder 17 rotates, the first bevel gear 18 and the second bevel gear 19 always keep meshed under the action of gravity, and in order to strengthen the situation of preventing separation, the spiral bevel gear can be adopted.
The telescopic device comprises a first connecting rod 12 and a second connecting rod 14, one end of the first connecting rod 12 is slidably connected into the second connecting rod 14 through a second spring 15, one end of the first connecting rod 12 is connected with a second bevel gear 19, one end of the second connecting rod 14 is connected with the output end of a motor 22, and the second connecting rod is driven to rotate through the motor 22.
Because the second connecting rod 14 drives the first connecting rod 12 to rotate, a structure for limiting rotation is arranged between the first connecting rod 12 and the second connecting rod 14, in particular, a limiting groove is arranged in the second connecting rod 14, a limiting protrusion 13 matched with the limiting groove is arranged on the outer surface of the first connecting rod 12, and a supporting piece can be rotatably connected to the lower parts of the first connecting rod 12 and the second connecting rod 14.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An adjustable pedestal, comprising;
a support body (8), wherein a sinking platform (24) is arranged on one side of the support body (8);
the mobile platform (2) is connected to the sinking platform (24) in a sliding manner through the power trolley (1) and moves along the upper surface of the sinking platform (24);
the lengthening system is arranged between the mobile platform (2) and the supporting body (8), and comprises a driving device and a plurality of lengthening units, wherein the lengthening units are connected to the driving device, and the driving device is used for driving the lengthening units to sequentially move to the upper surface of the supporting body (8);
the driving device comprises a connecting unit and a power device, wherein the connecting unit comprises a connecting column (6) and a connecting device, one end of the connecting column (6) is slidably connected in the supporting body (8), one end of the connecting device is connected to one side of the supporting body (8), the middle of the connecting device is wound on one end, far away from the supporting body (8), of the connecting column (6), the other end of the connecting device is slidably connected in the supporting body (8), and the power device is arranged in the supporting body (8) and is used for driving the connecting column (6) to move along the length direction of the supporting body (8); the connecting device comprises two groups of chains (5) and a supporting plate arranged between the two groups of chains (5), a connecting shaft (16) and two driving wheels (7) are arranged at one end, far away from the supporting body (8), of each connecting column (6), the two driving wheels (7) are rotatably connected to two ends of the connecting shaft (16), the two groups of chains (5) are respectively meshed with the corresponding two driving gears, and an lengthening unit is arranged on the supporting plate;
the lengthening unit comprises a supporting column (4) and a lengthening plate (3), one end of the supporting column (4) is connected with the lengthening plate (3), and the other end of the supporting column is connected with the supporting plate.
2. An adjustable stand according to claim 1, characterized in that the chain (5) is slidably connected to one end inside the support body (8) and is further provided with a first spring (11), the end of the chain (5) being connected to the inside of the support body (8) by means of the first spring (11).
3. An adjustable stand according to claim 2, characterized in that the connecting column (6) is provided with pulleys (9).
4. An adjustable stand according to any one of claims 1-3, characterized in that the power means comprise a telescopic cylinder (10), the telescopic end of the telescopic cylinder (10) being connected to one end of the connecting column (6).
5. The adjustable pedestal according to claim 4, wherein the support body (8) is further provided with a slope adjusting device, the slope adjusting device comprises an upper flat plate (20) and a lower flat plate (23), and two sides of the upper flat plate (20) and two sides of the lower flat plate (23) are hinged, and the adjustable pedestal is characterized in that two sides of the bottom of the upper flat plate (20) are rotatably connected with a plurality of thread cylinders (17), the thread cylinders (17) are internally connected with a screw rod (21) in a threaded manner, the other end of the screw rod (21) is connected with a rotating device, and the rotating device is arranged on the lower flat plate (23) and is used for driving the screw rod (21) to rotate.
6. An adjustable stand according to claim 5, characterized in that the rotating means comprises a motor (22), a first bevel gear (18), a second bevel gear (19) and a telescopic means, the first bevel gear (18) being connected to an end of the screw (21) remote from the screw barrel (17), the second bevel gear (19) being connected to an end of the telescopic means and being in engagement with the first bevel gear (18), the other end of the telescopic means being connected to the output of the motor (22), the motor (22) being arranged on the lower plate (23).
7. An adjustable pedestal according to claim 6, characterized in that the telescopic device comprises a first connecting rod (12) and a second connecting rod (14), one end of the first connecting rod (12) is slidably connected in the second connecting rod (14) through a second spring (15), a limiting groove is formed in the second connecting rod (14), a limiting protrusion (13) adapted to the limiting groove is formed on the outer surface of the first connecting rod (12), one end of the second connecting rod (14) is connected with the output end of the motor (22), and one end of the first connecting rod (12) is connected with the second bevel gear (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310307912.2A CN116533368B (en) | 2023-03-27 | 2023-03-27 | Adjustable pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310307912.2A CN116533368B (en) | 2023-03-27 | 2023-03-27 | Adjustable pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116533368A CN116533368A (en) | 2023-08-04 |
| CN116533368B true CN116533368B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310307912.2A Active CN116533368B (en) | 2023-03-27 | 2023-03-27 | Adjustable pedestal |
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| Country | Link |
|---|---|
| CN (1) | CN116533368B (en) |
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