CN112723226B - Assembled material platform that changes - Google Patents
Assembled material platform that changes Download PDFInfo
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- CN112723226B CN112723226B CN202110072119.XA CN202110072119A CN112723226B CN 112723226 B CN112723226 B CN 112723226B CN 202110072119 A CN202110072119 A CN 202110072119A CN 112723226 B CN112723226 B CN 112723226B
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- frame
- movable
- chain wheel
- assembly
- outer frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses an assembled material transferring platform which comprises a frame assembly, a power driving mechanism and a bearing plate, wherein the frame assembly comprises an outer frame, a movable frame and an inner frame, the movable frame and the inner frame are positioned in the outer frame, and the power driving mechanism comprises a main motor, a chain wheel and chain assembly, a movable chain wheel, a movable sliding block, a reversing gear, a transmission shaft, a vertical rack, a transverse rack, an output gear, a screw rod and a rotary driving piece; the main motor, the chain wheel chain assembly and the outer frame are all arranged on a wall body of the building body, and the main motor is connected with the chain wheel chain assembly; the vertical rack is connected with the moving frame into a whole, the transverse rack is connected with the inner frame into a whole, the inner frame is connected with the moving frame in a moving fit mode, and the inner frame can move transversely relative to the moving frame. The invention has high safety, is convenient for constructors and materials to directly reach a construction operation surface, and improves the working efficiency of the constructors.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembled material transferring platform.
Background
Along with the rapid development of social economy in China, super high-rise buildings are built in more and more cities, the high-rise buildings are in construction, in order to ensure that materials needed by construction personnel and construction places can quickly reach a construction working face, a temporary construction elevator is usually installed on the outer side of the building, however, a certain distance can exist between the installation of the temporary construction elevator and a floor, the construction personnel and the construction materials can only carry the construction elevator to the finished floor face and then go upwards to an operation layer through temporary stairs, the carrying mode has great potential safety hazards, materials need personnel to carry, the workload of the construction personnel is increased, and the working efficiency is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the assembly type material transferring platform which is high in safety, facilitates constructors and materials to directly reach a construction working surface, and improves the working efficiency of the constructors.
In order to achieve the purpose, the invention provides an assembled material transferring platform which comprises a frame assembly, a power driving mechanism and a bearing plate, wherein the frame assembly comprises an outer frame, a movable frame and an inner frame, the movable frame and the inner frame are positioned in the outer frame, and the power driving mechanism comprises a main motor, a chain wheel and chain assembly, a movable chain wheel, a movable sliding block, a reversing gear, a transmission shaft, a vertical rack, a transverse rack, an output gear, a screw rod and a rotary driving piece;
the main motor, the chain wheel chain assembly and the outer frame are all arranged on a wall body of the building body, and the main motor is connected with the chain wheel chain assembly; the vertical rack is connected with the movable frame into a whole, the transverse rack is connected with the inner frame into a whole, the inner frame is connected with the movable frame in a movable fit manner, the inner frame can move transversely relative to the movable frame, the movable frame is connected with the outer frame in a movable fit manner, and the movable frame can move vertically relative to the outer frame;
the movable chain wheel is connected with the reversing gear through the transmission shaft, the movable chain wheel and the reversing gear are rotatably installed on the movable sliding block through the transmission shaft, the movable sliding block is movably matched and connected with the outer frame, the movable chain wheel is located in an annular space defined by chains included by the chain wheel chain assembly, the output gear is rotatably installed on the outer frame, the output gear is meshed with the transverse rack, the rotary driving piece is installed on the outer frame, the lead screw is rotatably installed on the outer frame and is connected with the rotary driving piece, a threaded through hole matched with the lead screw is formed in the movable sliding block, and the movable sliding block is installed on the lead screw through the threaded through hole in a threaded matching manner; the bearing plate is arranged on the inner frame;
the rotary driving piece drives the screw rod to rotate, and the movable sliding block moves relative to the outer frame to drive the movable chain wheel and the reversing gear to move; when the movable chain wheel moves to be meshed with the right side of the chain, the reversing gear is meshed with the vertical rack, and the reversing gear is disengaged from the output gear; when the movable chain wheel moves to be meshed with the left side of the chain, the reversing gear is meshed with the output gear, and the reversing gear is disengaged from the vertical rack.
Further, the rotary driving part comprises a rotary driving motor, the power driving mechanism further comprises an input gear, a first linear moving driving part, a limiting electromagnet and a mounting seat, the input gear is installed on an output shaft of the rotary driving motor, the output shaft of the rotary driving motor is connected with the lead screw, the mounting seat is connected with the outer frame or the rotary driving motor, the first linear moving driving part is installed on the mounting seat, the limiting electromagnet is connected with the first linear moving driving part, the limiting electromagnet is opposite to the tooth position on the input gear, and the first linear moving driving part drives the limiting electromagnet to move so that the limiting electromagnet is in contact with or is separated from teeth on the input gear.
Further, the assembled material transferring platform further comprises a lifting driving assembly, and the bearing plate is connected with the inner frame through the lifting driving assembly.
Furthermore, the lifting driving assembly comprises a second linear moving driving member, a rectangular frame and an I-shaped frame, the second linear moving driving member is installed at one end of the inner frame, two sides of one end of the rectangular frame are rotatably connected with one end of the inner frame, the middle of one end of the rectangular frame is rotatably connected with the second linear moving driving member, and two sides of the other end of the rectangular frame are rotatably connected with two sides of the other end of the bearing plate respectively; the two sides of one end of the I-shaped frame are rotatably connected with the other end of the inner frame, the I-shaped frame penetrates through the rectangular frame, and the two sides of the other end of the I-shaped frame are respectively rotatably connected with the two sides of one end of the bearing plate; the rectangular frame and the I-shaped frame are arranged in a cross mode.
When the material transferring platform is used, the material transferring platform is arranged between the building body and the construction elevator, so that materials in the construction elevator can be transferred to the operation layer of the building body conveniently after being transferred by the material transferring platform, the workload of construction personnel is reduced, the working efficiency of the construction personnel is improved, and the safety of the construction personnel can be ensured when the construction personnel enter the operation layer from the construction elevator through the material transferring platform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention with the sprocket chain assembly showing only a portion of the chain;
fig. 2 is a perspective view of fig. 1 rotated by a certain angle.
Fig. 3 is a perspective view of fig. 1 with the baffle removed.
Fig. 4 is a perspective view of fig. 3 with the front portions of the outer and inner frames cut away.
Fig. 5 is a perspective view of fig. 4 with the inner frame removed.
FIG. 6 is a perspective view of the assembly of the inner frame, the catch plate and the lift assembly of the present invention.
Figure 7 is a perspective view of figure 6 with the carrier plate removed.
Fig. 8 is a perspective view of the present invention in use.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 8, the present embodiment provides an assembled material transferring platform, which includes a frame assembly, a power driving mechanism, and a carrying plate 5, wherein the frame assembly includes an outer frame 1, a movable frame 3 and an inner frame 2, the movable frame is located inside the outer frame 1, and the power driving mechanism includes a main motor (not shown), a chain wheel and chain assembly (not numbered), a movable chain wheel 18, a movable slider 17, a reversing gear 15, a transmission shaft 19, a vertical rack 16, a transverse rack 12, an output gear 14, a screw 13, and a rotary driving member 6;
the main motor, the chain wheel chain assembly and the outer frame 1 are all arranged on a wall body 11 of the building body, and the main motor is connected with the chain wheel chain assembly; the vertical rack 16 is connected with the moving frame 3 into a whole, the transverse rack 12 is connected with the inner frame 2 into a whole, the inner frame 2 is connected with the moving frame 3 in a moving fit manner, the inner frame 2 can move transversely relative to the moving frame 3, the moving frame 3 is connected with the outer frame 1 in a moving fit manner, and the moving frame 3 can move vertically relative to the outer frame 1;
the movable chain wheel 18 is connected with the reversing gear 15 through the transmission shaft 19, the movable chain wheel 18 and the reversing gear 15 are rotatably arranged on the movable sliding block 17 through the transmission shaft 19, the movable sliding block 17 is movably matched and connected with the outer frame 1, the movable chain wheel 18 is positioned in an annular space surrounded by the chain 10 included in the chain wheel and chain assembly, the output gear 14 is rotatably mounted on the outer frame 1, the output gear 14 is engaged with the transverse rack 12, the rotary driving piece 6 is arranged on the outer frame 1, the screw rod 13 is rotationally arranged on the outer frame 1, the screw rod 13 is connected with the rotary driving piece 6, the movable sliding block 17 is provided with a thread through hole matched with the screw rod 13, the movable sliding block 17 is installed on the screw rod 13 in a threaded fit mode through the threaded through hole; the carrier plate 5 is mounted on the inner frame 2;
the rotary driving piece 6 drives the screw rod 13 to rotate, and the movable sliding block 17 moves relative to the outer frame 1 to drive the movable chain wheel 18 and the reversing gear 15 to move; when the movable chain wheel 18 moves to be meshed with the right side of the chain 10, the reversing gear 15 is meshed with the vertical rack 16, and the reversing gear 15 is separated from the output gear 14; when the movable chain wheel 18 moves to be meshed with the left side of the chain 10, the reversing gear 15 is meshed with the output gear 14, and the reversing gear 15 is separated from the vertical rack 16.
During the use, this embodiment changes the material platform and sets up between building body and construction elevator 23 to the material in the construction elevator 23 changes over to the operation layer to building body again after changing the material platform transfer, with reduce constructor's work load, improves its work efficiency, when constructor gets into the operation layer from construction elevator 23 through changeing the material platform moreover, can guarantee constructor's security. When the material transferring platform is used, materials or personnel are borne by the bearing plate 5 and drive the chain wheel and chain assembly to move through the main motor, wherein the outer frame 1 is fixed on the wall body 11 of the building body, and the chain wheel and chain assembly moves to drive the movable chain wheel 18 to rotate. As further illustrated in the orientation shown in fig. 1 and 3, when the movable sprocket 18 is engaged with the right side of the chain 10, the reversing gear 15 is engaged with the vertical rack 16, and at this time, the movable sprocket 18 rotates to drive the transmission shaft 19 and the reversing gear 15 to rotate, so as to drive the vertical rack 16 to move up and down, and thus drive the movable frame 3 and the inner frame 2 to move relative to the outer frame 1, so as to drive the bearing plate 5 to move up and down relative to the outer frame 1, so as to facilitate the material or personnel on the bearing plate 5 to move into the operating floor of the building body; when the movable chain wheel 18 needs to be moved to be engaged with the left side of the chain 10, the rotary driving member 6 drives the screw rod 13 to rotate, thereby driving the moving slide 17 to move (leftwards as shown in fig. 3) relative to the outer frame 1, the moving slide 17 moves to drive the moving sprocket 18, the transmission shaft 19 and the reversing gear 15 to move synchronously, so that the moving sprocket 18 moves to engage with the left side of the chain 10, and the reversing gear 15 moves to be meshed with the output gear 14, the rear rotary driving piece 6 stops working, at the moment, the chain wheel and chain assembly moves to drive the movable chain wheel 18 to rotate, the transmission shaft 19, the reversing gear 15 and the output gear 14 are driven to rotate, thereby moving the transverse rack 12 (left and right as shown in fig. 3), thereby moving the inner frame 2 left and right with respect to the moving frame 3 and the outer frame 1, so that the inner frame 2 can be partially moved out of the outer frame 1 to facilitate the transfer of the material or personnel in the construction elevator 23 onto the carrier plate 5. In the embodiment, the screw rod 13 is driven to rotate by the rotary driving piece 6 so as to drive the movable sliding block 17 to move and drive the movable chain wheel 18 to move, so that the movable chain wheel 18 is meshed with the left side or the right side of the chain 10, the function of power output reversing is realized, and the use is flexible and convenient.
Further preferably, the rotary driving member 6 comprises a rotary driving motor, the power driving mechanism further comprises an input gear 7, a first linear moving driving member 9, a limit electromagnet (not shown in the figure), a mounting seat 8, the input gear 7 is installed on the output shaft of the rotary driving motor, the output shaft of the rotary driving motor is connected with the screw rod 13, the mounting seat 8 is connected with the outer frame 1 or the rotary driving motor, the first linear motion driving member 9 is mounted on the mounting seat 8, the limit electromagnet is connected with the first linear moving driving piece 9, the limit electromagnet is opposite to the tooth position on the input gear 7, the first linear moving driving piece 9 drives the limiting electromagnet to move, so that the limiting electromagnet is in contact with or separated from teeth on the input gear 7. The first linear moving driving member 9 is a linear moving device such as an electric cylinder, an air cylinder, an oil cylinder or an electric push rod. The first linear movement driving piece 9 drives the limiting electromagnet to move, so that the limiting electromagnet is in contact with or separated from teeth on the input gear 7, when the limiting electromagnet is in contact with the teeth on the input gear 7, the limiting electromagnet drives, the limiting electromagnet sucks the input gear 7, the input gear 7 cannot rotate, and the screw rod 13 cannot rotate, so that the screw rod 13 is locked, and a locking function after power direction change is achieved; when the screw rod 13 needs to rotate, the limiting electromagnet is powered off, and the first linear moving driving piece 9 drives the limiting electromagnet to be separated from the input gear 7. Of course, the present embodiment further includes a power supply device for supplying power to the limit electromagnet, the main motor, and the like, which is the conventional technology, and therefore, will not be described in detail.
Further preferably, the assembled material transferring platform further comprises a lifting driving assembly, and the carrying plate 5 is connected with the inner frame 2 through the lifting driving assembly. The carrier plate 5 is driven to be elevated with respect to the inner frame 2 by the elevation driving assembly. Preferably, the lifting driving assembly comprises a second linear movement driving member 20, a rectangular frame 21 and an i-shaped frame 22, the second linear movement driving member 20 is mounted on one end of the inner frame 2, both sides of one end of the rectangular frame 21 are rotatably connected with one end of the inner frame 2, the middle of one end of the rectangular frame 21 is rotatably connected with the second linear movement driving member 20, and both sides of the other end of the rectangular frame 21 are respectively rotatably connected with both sides of the other end of the loading plate 5; both sides of one end of the I-shaped frame 22 are rotatably connected with the other end of the inner frame 2, the I-shaped frame 22 penetrates through the rectangular frame 21, and both sides of the other end of the I-shaped frame 22 are respectively rotatably connected with both sides of one end of the bearing plate 5; the rectangular frame 21 and the I-shaped frame 22 are arranged in a crossed manner. The second linear motion driving member 20 is a linear motion device such as an electric cylinder, an air cylinder, an oil cylinder or an electric push rod. Specifically, the second linear motion driving member 20 extends and contracts to drive the rectangular frame 21 to ascend or descend, so as to drive the i-shaped frame 22 to ascend or descend, thereby realizing the ascending and descending functions of the bearing plate 5. The structure that adopts rectangle frame 21 and I-shaped frame 22 to combine together, structural strength is high, and stability is high. Of course, the lifting driving assembly of the embodiment can also directly adopt the existing linear moving equipment such as an oil cylinder, an air cylinder, an electric push rod and the like.
In this embodiment, preferably, the outer frame 1 is provided with a vertical guide rail 101, and correspondingly, the moving frame 3 is provided with a vertical guide groove (not shown) matched with the vertical guide rail 101, and the vertical guide rail 101 is movably matched and installed in the vertical guide groove to perform a guiding function of the moving frame 3 moving vertically relative to the outer frame 1.
In the present embodiment, the moving frame 3 is provided with a lateral guide rail 301, and correspondingly, the inner frame 2 is provided with a lateral guide groove (not numbered in the figure) which is engaged with the lateral guide rail 301, and the lateral guide rail 301 is movably fitted in the lateral guide groove, thereby functioning as a guide for the inner frame 2 to move laterally with respect to the moving frame 3.
The inner frame 2 of the embodiment is provided with the baffle 4, so that the movable chain wheel 18, the movable sliding block 17, the reversing gear 15, the vertical rack 16, the transverse rack 12, the output gear 14, the screw rod 13 and the like which are included in the power driving mechanism are separated between the wall body 11 of the building body and the baffle 4, and the integral attractiveness and safety are improved.
As shown in fig. 8, the material transferring platforms of the present embodiment are equipped between different operation floors of the building body, wherein a plurality of material transferring platforms in the vertical direction can share the main motor and the chain wheel and chain assembly to save power; of course, an independent main motor and a chain wheel and chain assembly can be adopted to realize independent use of the material transferring platform between each operating layer, and the flexibility is higher.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. An assembled material transferring platform is characterized by comprising a frame assembly, a power driving mechanism and a bearing plate, wherein the frame assembly comprises an outer frame, a movable frame and an inner frame, the movable frame and the inner frame are positioned in the outer frame, and the power driving mechanism comprises a main motor, a chain wheel and chain assembly, a movable chain wheel, a movable sliding block, a reversing gear, a transmission shaft, a vertical rack, a transverse rack, an output gear, a screw rod and a rotary driving piece;
the main motor, the chain wheel chain assembly and the outer frame are all arranged on a wall body of the building body, and the main motor is connected with the chain wheel chain assembly; the vertical rack is connected with the movable frame into a whole, the transverse rack is connected with the inner frame into a whole, the inner frame is connected with the movable frame in a movable fit manner, the inner frame can move transversely relative to the movable frame, the movable frame is connected with the outer frame in a movable fit manner, and the movable frame can move vertically relative to the outer frame;
the movable chain wheel is connected with the reversing gear through the transmission shaft, the movable chain wheel and the reversing gear are rotatably installed on the movable sliding block through the transmission shaft, the movable sliding block is movably matched and connected with the outer frame, the movable chain wheel is located in an annular space defined by chains included by the chain wheel chain assembly, the output gear is rotatably installed on the outer frame, the output gear is meshed with the transverse rack, the rotary driving piece is installed on the outer frame, the lead screw is rotatably installed on the outer frame and is connected with the rotary driving piece, a threaded through hole matched with the lead screw is formed in the movable sliding block, and the movable sliding block is installed on the lead screw through the threaded through hole in a threaded matching manner; the bearing plate is arranged on the inner frame;
the rotary driving piece drives the screw rod to rotate, and the movable sliding block moves relative to the outer frame to drive the movable chain wheel and the reversing gear to move; when the movable chain wheel moves to be meshed with the right side of the chain, the reversing gear is meshed with the vertical rack, and the reversing gear is disengaged from the output gear; when the movable chain wheel moves to be meshed with the left side of the chain, the reversing gear is meshed with the output gear, and the reversing gear is disengaged from the vertical rack;
the rotary driving part comprises a rotary driving motor, the power driving mechanism further comprises an input gear, a first linear moving driving part, a limiting electromagnet and a mounting seat, the input gear is installed on an output shaft of the rotary driving motor, the output shaft of the rotary driving motor is connected with the lead screw, the mounting seat is connected with the outer frame or the rotary driving motor, the first linear moving driving part is installed on the mounting seat, the limiting electromagnet is connected with the first linear moving driving part, the limiting electromagnet is opposite to the tooth position on the input gear, and the first linear moving driving part drives the limiting electromagnet to move, so that the limiting electromagnet is in contact with or is separated from teeth on the input gear.
2. The assembly type material transferring platform of claim 1, further comprising a lifting driving assembly, wherein the carrying plate is connected with the inner frame through the lifting driving assembly.
3. The assembled material transferring platform of claim 2, wherein the lifting driving assembly comprises a second linear moving driving member, a rectangular frame and an I-shaped frame, the second linear moving driving member is mounted on one end of the inner frame, two sides of one end of the rectangular frame are rotatably connected with one end of the inner frame, the middle of one end of the rectangular frame is rotatably connected with the second linear moving driving member, and two sides of the other end of the rectangular frame are respectively rotatably connected with two sides of the other end of the loading plate; the two sides of one end of the I-shaped frame are rotatably connected with the other end of the inner frame, the I-shaped frame penetrates through the rectangular frame, and the two sides of the other end of the I-shaped frame are respectively rotatably connected with the two sides of one end of the bearing plate; the rectangular frame and the I-shaped frame are arranged in a cross mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110072119.XA CN112723226B (en) | 2021-01-19 | 2021-01-19 | Assembled material platform that changes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110072119.XA CN112723226B (en) | 2021-01-19 | 2021-01-19 | Assembled material platform that changes |
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| CN112723226A CN112723226A (en) | 2021-04-30 |
| CN112723226B true CN112723226B (en) | 2022-04-05 |
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| CN116021711B (en) * | 2023-01-08 | 2023-11-10 | 金华市金丰玩具有限公司 | Driving device of injection molding system and elastic hair ball toy with built-in cavity |
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| CN111453585A (en) * | 2020-04-29 | 2020-07-28 | 中建海峡建设发展有限公司 | Assembled intelligent single-tower nested double-cage construction elevator |
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