CN216406117U - Improved structure of upper and lower lifting frames for improved climbing frame - Google Patents
Improved structure of upper and lower lifting frames for improved climbing frame Download PDFInfo
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- CN216406117U CN216406117U CN202122940144.3U CN202122940144U CN216406117U CN 216406117 U CN216406117 U CN 216406117U CN 202122940144 U CN202122940144 U CN 202122940144U CN 216406117 U CN216406117 U CN 216406117U
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Abstract
The utility model belongs to the field of constructional engineering equipment, and particularly relates to an improved structure of an upper lifting frame and a lower lifting frame for an improved climbing frame, which comprises a climbing frame; a hanging plate is connected to one side of the climbing frame through threads; a reinforcing rib plate is fixedly connected between the hanging plate and the climbing frame; the surface of the hanging plate is provided with a gourd hanging pin hole; the top end and the bottom end of one side of the hanging plate are respectively provided with a transverse small channel steel; the other side of each transverse small channel steel is provided with a first longitudinal horizontal channel steel and a first longitudinal diagonal channel steel respectively; the top end and the bottom end of the hanging plate are fixedly connected with an upper sealing plate and a lower sealing plate; a transverse large channel steel is fixedly connected between the two transverse small channel steels; the bottom end of the hanging plate positioned at the top is fixedly connected with an electric hoist; this improvement structure is favorable to making the support body atress even through setting up first vertical horizontal channel-section steel, first vertical draw the channel-section steel to one side and horizontal big channel-section steel, and crooked deformation's the condition can not appear takes place, and the structure atress becomes inside and outside both sides four points by former unilateral, and the atress is more reasonable.
Description
Technical Field
The utility model relates to the field of constructional engineering equipment, in particular to an improved structure of an upper lifting frame and a lower lifting frame for an improved climbing frame.
Background
The climbing frame is also called a lifting frame and is mainly used for high-rise buildings.
The upper and lower lifting frames are main stress structure fittings of the attached lifting scaffold.
In the prior art, the traditional upper and lower lifting frames are formed by welding a hanging plate, an upper sealing plate, a lower sealing plate, a transverse small channel steel, a vertical square tube and a reinforcing rib, when the lifting frame is installed and used, only one side is connected with a climbing frame upright rod and a guide rail through bolts, because the stress point is only on one side, a reinforcing frame is required to be configured between the upright rods on the two sides of the scaffold plate for reinforcing the integral rigidity of the climbing frame structure, meanwhile, in the climbing process of the whole climbing frame, a part of machine position is blocked, and when the stress is too large, the frame upright rod is easy to bend and deform, so that the balance and stability of the whole frame structure are influenced; therefore, an improved structure of an upper and lower lifting frame for an improved climbing frame is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an improved structure of an upper lifting frame and a lower lifting frame for an improved climbing frame, aiming at overcoming the defects of the prior art and solving the problems that when the whole climbing frame is climbed, a part of machine positions are blocked and the stress is too large, the vertical rod of the frame body is easy to bend and deform, and the balance and stability of the whole frame body structure are affected.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an improved structure of an upper lifting frame and a lower lifting frame for an improved climbing frame, which comprises a climbing frame; the top end and the bottom end of one side of the climbing frame are respectively provided with a hoisting frame assembly; one side of the climbing frame is provided with a guide rail; the climbing frame is connected with a wall-attached support in a sliding mode through a guide rail, and the wall-attached support is connected with the wall surface through threads; the other side of the climbing frame is provided with a net sheet; a group of scaffold boards are arranged inside the climbing frame;
the hoisting frame assembly comprises a hanging plate, a reinforcing rib plate, a hoist hanging pin hole, a transverse small channel steel, a first longitudinal horizontal channel steel, a first longitudinal diagonal channel steel, an upper sealing plate, a lower sealing plate, a vertical square tube and a transverse large channel steel; a hanging plate is connected to one side of the climbing frame through threads; a reinforcing rib plate is fixedly connected between the hanging plate and the climbing frame; the surface of the hanging plate is provided with a gourd hanging pin hole; the top end and the bottom end of one side of the hanging plate are respectively provided with a transverse small channel steel; the other sides of the two transverse small channel steels are respectively provided with a first longitudinal horizontal channel steel and a first longitudinal diagonal channel steel, and the first longitudinal horizontal channel steel and the first longitudinal diagonal channel steel are respectively connected with the hanging plate and the transverse large channel steel through threads; the top end and the bottom end of the hanging plate are fixedly connected with an upper sealing plate and a lower sealing plate; a transverse large channel steel is fixedly connected between the two transverse small channel steels; the bottom end of the hanging plate at the top is fixedly connected with an electric hoist, and the bottom end of the electric hoist is hooked with a hoist hanging pin hole on the hanging plate at the bottom; a group of reinforcing components are arranged on the inner side of the climbing frame; this improvement structure is favorable to making the support body atress even through setting up first vertical horizontal channel-section steel, first vertical draw the channel-section steel to one side and horizontal big channel-section steel, and crooked deformation's the condition can not appear takes place, and the structure atress becomes inside and outside both sides four points by former unilateral, and the atress is more reasonable.
Preferably, the bottom of each scaffold board is provided with a connecting rod, and two ends of each connecting rod are in threaded connection with the climbing frame; the top ends of the connecting rods are provided with grooves; the bottom ends of the scaffold boards are fixedly connected with pressing blocks; the bottom ends of the grooves are provided with switches; an alarm is mounted on one side of the climbing frame, which is far away from the hanging plate, and the alarm is electrically connected with the switch; this structure is favorable to playing the warning effect to the staff through setting up the alarm, avoids scaffold board fracture to cause the threat to staff's life safety.
Preferably, the two sides of the bottom end of the groove are fixedly connected with inclined rods, and the top ends of the inclined rods are fixedly connected with the scaffold board; the scaffold board is favorable for supporting the scaffold board, and the situation that the scaffold board is deformed or even broken is avoided.
Preferably, one side of the inner side wall of the climbing frame, which is far away from the lifting frame component, is fixedly connected with a group of hooks; the hanging device is beneficial to hanging required articles by workers and provides convenience.
Preferably, the reinforcing assembly comprises a vertical channel steel, a second longitudinal horizontal channel steel and a second longitudinal diagonal channel steel; the vertical channel steels are fixedly connected to two sides of the interior of the climbing frame; the top end and the bottom end of one side, close to the two vertical channel steels, of each vertical channel steel are fixedly connected with a second longitudinal horizontal channel steel; one sides of the two vertical channel steels, which are close to each other, are fixedly connected with a second longitudinal cable-stayed channel steel together; the strength of the climbing frame is enhanced, the lifting frame and the reinforcing frame structure are combined into a whole from top to bottom under the original unilateral stress, and the climbing frame is more uniform and reasonable in stress.
Preferably, a group of friction blocks are fixedly connected to the top ends of the scaffold boards, and the friction blocks are semicircular; which is beneficial to increasing the friction.
The utility model has the advantages that:
1. according to the improved structure, the first longitudinal horizontal channel steel, the first longitudinal diagonal channel steel and the transverse small channel steel are matched with each other, so that the climbing frame is favorably stressed uniformly and reasonably in the moving process, the original unilateral stressed lifting frame assembly is arranged under the second scaffold board and the fifth scaffold board of the climbing frame, compared with the traditional upper lifting frame and the traditional lower lifting frame, the stressed node of the whole main frame is changed into a truss structure, and further, the improved structure is favorably enabled to be stressed uniformly by arranging the first longitudinal horizontal channel steel, the first longitudinal diagonal channel steel and the transverse large channel steel, the occurrence of bending deformation is avoided, the stress of the structure is changed from the original unilateral to four points on the inner side and the outer side, and the stress is more reasonable;
2. according to the utility model, the scaffold board deforms under the action of gravity, the middle part of the scaffold board bends downwards, the pressing block is driven to move downwards at the moment until the pressing block is contacted with and extrudes the switch, the switch is turned on at the moment, the alarm starts to automatically give an alarm to remind workers, and the alarm is arranged, so that the structure is beneficial to warning the workers, and the scaffold board is prevented from being broken, thereby threatening the life safety of the workers.
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, and 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 these drawings without inventive exercise.
FIG. 1 is a side view of a creel according to a first embodiment;
FIG. 2 is a side view of a poppet assembly according to one embodiment;
FIG. 3 is a side view of a reinforcement assembly according to one embodiment;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is a schematic structural view of the connecting rod of FIG. 1;
FIG. 6 is a side view of the creel according to the second embodiment;
fig. 7 is a partially enlarged view of a portion B in fig. 6.
In the figure: 1. climbing a frame; 2. a poppet assembly; 4. an electric hoist; 5. a wall-attached support; 6. a guide rail; 100. A mesh sheet; 101. a scaffold board; 21. hanging the plate; 22. reinforcing rib plates; 23. hanging a gourd pin hole; 24. transverse small channel steel; 25. a first longitudinal horizontal channel; 26. a first longitudinal diagonal draw channel steel; 27. an upper closing plate and a lower closing plate; 28. a vertical square tube; 29. a transverse large channel steel; 7. a connecting rod; 8. a groove; 9. an alarm; 10. a switch; 11. a pressing block; 111. a reinforcement assembly; 12. vertical channel steel; 13. a second longitudinal horizontal channel; 14. A second longitudinal diagonal draw channel steel; 15. a diagonal bar; 16. hooking; 17. a friction block; 18. a drain hole; 19. And (4) a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, an improved structure of an improved climbing frame with an upper and a lower lifting frames includes a climbing frame 1; the top end and the bottom end of one side of the climbing frame 1 are respectively provided with a hoisting frame assembly 2; one side of the climbing frame 1 is provided with a guide rail 6; the climbing frame 1 is connected with a wall-attached support 5 in a sliding mode through a guide rail 6, and the wall-attached support 5 is connected with the wall surface through threads; the net piece 100 is arranged on the other side of the climbing frame 1; a group of scaffold boards 101 are arranged in the climbing frame 1;
the hoisting frame assembly 2 comprises a hanging plate 21, a reinforcing rib plate 22, a hoist hanging pin hole 23, a transverse small channel steel 24, a first longitudinal horizontal channel steel 25, a first longitudinal diagonal channel steel 26, an upper sealing plate 27, a lower sealing plate 27, a vertical square tube 28 and a transverse large channel steel 29; a hanging plate 21 is connected to one side of the climbing frame 1 through threads; a reinforcing rib plate 22 is fixedly connected between the hanging plate 21 and the climbing frame 1; the surface of the hanging plate 21 is provided with a gourd hanging pin hole 23; the top end and the bottom end of one side of the hanging plate 21 are respectively provided with a transverse small channel steel 24; the other sides of the two transverse small channel steels 24 are respectively provided with a first longitudinal horizontal channel steel 25 and a first longitudinal diagonal channel steel 26, and the first longitudinal horizontal channel steel 25 and the first longitudinal diagonal channel steel 26 are respectively in threaded connection with the hanging plate 21 and the transverse large channel steel 29; the top end and the bottom end of the hanging plate 21 are fixedly connected with an upper sealing plate 27 and a lower sealing plate 27; a transverse large channel steel 29 is fixedly connected between the two transverse small channel steels 24; the bottom end of the hanging plate 21 positioned at the top is fixedly connected with the electric hoist 4, and the bottom end of the electric hoist 4 is hooked with a hoist hanging pin hole 23 positioned on the hanging plate 21 at the bottom; a group of reinforcing components 111 are arranged on the inner side of the climbing frame 1; during operation, the hanging plate 21 at the top and the bottom is in threaded connection with the side wall of the climbing frame 1, and the reinforcing rib plate 22 is positioned at the connection part of the hanging plate 21 and the climbing frame 1, so that the connection strength between the hanging plate 21 and the climbing frame 1 is favorably enhanced, the upper sealing plate 27 and the lower sealing plate 27 are fixedly connected at the top end and the bottom end of the hanging plate 21, the upper sealing plate 27 and the lower sealing plate 27 penetrate through the side wall of the climbing frame 1, the connection strength between the hanging plate 21 and the climbing frame 1 is further enhanced, the falling off between the hanging plate and the climbing frame 1 is avoided, the first longitudinal horizontal channel steel 25, the first longitudinal oblique-pulling channel steel 26 and the transverse small channel steel 24 are in threaded connection, the disassembly and the replacement are favorably realized, the connection relationship between the two transverse small channel steels 24 is favorably strengthened by arranging the vertical square pipe 28, and the first longitudinal horizontal channel steel 25, the first longitudinal oblique-pulling channel steel 26 and the transverse large channel steel 29 are in threaded connection, the improved structure is beneficial to disassembly and replacement, the original unilateral stress hoisting frame assembly 2 is arranged under the second scaffold board 101 and the fifth scaffold board 101 of the climbing frame 1, compared with the traditional upper and lower hoisting frames, the stress node of the whole main frame is changed into a truss structure, the scaffold boards 101 are arranged, the workers can move and walk on the climbing frame 1 conveniently, the net piece 100 can protect the workers, the electric hoist 4 is fixedly connected to the bottom end of the hoisting frame assembly 2 above, a hook at the bottom end of the electric hoist 4 is hooked with a hoist hanging pin hole 23 on a bottom hanging plate 21, then the electric hoist 4 is started to pull the climbing frame 1 to move up and down, at the moment, the climbing frame 1 slides in the wall-attached support 5 through a guide rail 6, and then the improved structure is provided with a first longitudinal horizontal channel steel 25, a first longitudinal oblique-pulling channel steel 26 and a transverse channel steel 29, the frame body is uniformly stressed, the bending deformation is avoided, the structure stress is changed from the original single side to four points on the inner side and the outer side, and the stress is more reasonable.
The bottom of each scaffold board 101 is provided with a connecting rod 7, and two ends of each connecting rod 7 are in threaded connection with the climbing frame 1; the top ends of the connecting rods 7 are provided with grooves 8; the bottom ends of the scaffold boards 101 are fixedly connected with pressing blocks 11; the bottom ends of the grooves 8 are provided with switches 10; the alarm 9 is arranged on one side of the climbing frame 1 far away from the hanging plate 21, and the alarm 9 is electrically connected with the switch 10; at the during operation, under the effect of gravity, when scaffold board 101 takes place deformation, scaffold board 101's middle part downwarping, can drive this moment and press briquetting 11 downstream, until with switch 10 contact, and extrude it, switch 10 is opened this moment, alarm 9 begins automatic alarm, remind the staff, and then this structure is through setting up alarm 9, be favorable to playing the warning effect to the staff, avoid scaffold board 101 to take place the fracture, thereby cause the threat to staff's life safety.
A group of hooks 16 are fixedly connected to one side of the inner side wall of the climbing frame 1 far away from the hoisting frame assembly 2; during working, the hanging hook 16 is arranged, so that the hanging of needed articles by workers is facilitated, and convenience is provided.
The reinforcing component 111 comprises a vertical channel steel 12, a second longitudinal horizontal channel steel 13 and a second longitudinal diagonal channel steel 14; the vertical channel steels 12 are fixedly connected to two sides inside the climbing frame 1; the top end and the bottom end of one side, close to the two vertical channel steels 12, are both fixedly connected with a second longitudinal horizontal channel steel 13; a second longitudinal diagonal channel 14 is fixedly connected to one side of each of the two vertical channel 12; at the during operation, use mutually supporting through vertical channel-section steel 12, the vertical horizontal channel-section steel 13 of second and the vertical oblique channel-section steel 14 of second, be favorable to strengthening the intensity of climbing frame 1 self, and unite two into one lifting frame and strengthening frame structure about with former unilateral atress for it is more even reasonable to climb frame 1 atress.
A group of friction blocks 17 are fixedly connected to the top ends of the scaffold boards 101, and the friction blocks 17 are semicircular; when the electric vehicle works, the friction block 17 is arranged, so that friction is increased, and the phenomenon that a worker slips when working is avoided.
Example two
Referring to fig. 6 to 7, in a first comparative example, as another embodiment of the present invention, a set of drainage holes 18 are formed on the surface of the scaffold board 101; the inside of the drain hole 18 is provided with a filter screen 19, and the outer side of the filter screen 19 is fixedly connected with the inner side of the drain hole 18; during operation, the arrangement of the drain holes 18 is beneficial to draining accumulated water on the scaffold board 101, and the arrangement of the filter screen 19 can prevent garbage from falling off the climbing frame 1, so that environmental pollution is caused.
The working principle is that, during working, the hanging plate 21 at the top and the bottom is in threaded connection with the side wall of the climbing frame 1, and the reinforcing rib plate 22 is positioned at the connection part of the hanging plate 21 and the climbing frame 1, so that the connection strength between the hanging plate 21 and the climbing frame 1 is favorably enhanced, the upper and the lower sealing plates 27 are fixedly connected at the top end and the bottom end of the hanging plate 21, the upper and the lower sealing plates 27 penetrate through the side wall of the climbing frame 1, the connection strength between the hanging plate 21 and the climbing frame 1 is further enhanced, the falling off between the hanging plate and the climbing frame 1 is avoided, the first longitudinal horizontal channel steel 25, the first longitudinal oblique-pulling channel steel 26 and the transverse small channel steel 24 are in threaded connection, the disassembly and the replacement of the first longitudinal horizontal channel steel 25 and the first longitudinal oblique-pulling channel steel 26 are favorably realized by arranging the vertical square pipe 28, and the first longitudinal oblique-pulling channel steel 26 and the transverse large channel steel 29 are in threaded connection, the dismounting and the replacement are facilitated, the original single-side stress lifting frame assembly 2 is arranged under the second scaffold board 101 and the fifth scaffold board 101 of the climbing frame 1, compared with the traditional upper lifting frame and the lower lifting frame, the stress node of the whole main frame is changed into a truss structure, the scaffold boards 101 are arranged, the worker can conveniently move and walk on the climbing frame 1, the net piece 100 can protect the worker, the electric hoist 4 is fixedly connected to the bottom end of the lifting frame assembly 2 above, a hook at the bottom end of the electric hoist 4 is hooked with a hoist hanging pin hole 23 on a bottom hanging plate 21, then the electric hoist 4 is started to pull the climbing frame 1 to move up and down, at the moment, the climbing frame 1 slides in the wall-attached support 5 through the guide rail 6, and the scaffold boards 101 deform under the action of gravity, and the middle part of the scaffold boards 101 bends downwards, can drive this moment and press briquetting 11 downstream, until with switch 10 contact, and extrude it, switch 10 obtains opening this moment, alarm 9 begins automatic alarm, remind the staff, and then this structure is through setting up alarm 9, be favorable to playing the warning effect to the staff, avoid scaffold board 101 fracture, thereby lead to the fact the threat to staff's life safety, and then this improvement structure is through setting up first vertical horizontal channel-section steel 25, first vertical draw channel-section steel 26 and horizontal big channel-section steel 29 to one side, be favorable to making the support body atress even, the condition emergence of bending deformation can not appear, the structure atress becomes interior outer both sides four points by former unilateral, the atress is more reasonable.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides an improved generation climbs frame with upper and lower hoisting frame improvement structure which characterized in that: comprises a climbing frame (1); the top end and the bottom end of one side of the climbing frame (1) are respectively provided with a hoisting frame assembly (2); one side of the climbing frame (1) is provided with a guide rail (6); the climbing frame (1) is connected with a wall-attached support (5) in a sliding mode through a guide rail (6), and the wall-attached support (5) is connected with a wall surface through threads; the net piece (100) is arranged on the other side of the climbing frame (1); a group of scaffold boards (101) are arranged in the climbing frame (1);
the hoisting frame assembly (2) comprises a hanging plate (21), a reinforcing rib plate (22), a hoist hanging pin hole (23), a transverse small channel steel (24), a first longitudinal horizontal channel steel (25), a first longitudinal diagonal channel steel (26), an upper sealing plate, a lower sealing plate (27), a vertical square tube (28) and a transverse large channel steel (29); a hanging plate (21) is connected with one side of the climbing frame (1) through threads; a reinforcing rib plate (22) is fixedly connected between the hanging plate (21) and the climbing frame (1); the surface of the hanging plate (21) is provided with a gourd hanging pin hole (23); the top end and the bottom end of one side of the hanging plate (21) are respectively provided with a transverse small channel steel (24); the other sides of the two transverse small channel steels (24) are respectively provided with a first longitudinal horizontal channel steel (25) and a first longitudinal diagonal channel steel (26), and the first longitudinal horizontal channel steel (25) and the first longitudinal diagonal channel steel (26) are respectively in threaded connection with the hanging plate (21) and the transverse large channel steel (29); the top end and the bottom end of the hanging plate (21) are fixedly connected with an upper sealing plate and a lower sealing plate (27); a transverse large channel steel (29) is fixedly connected between the two transverse small channel steels (24); the bottom end of the hanging plate (21) positioned at the top is fixedly connected with an electric hoist (4), and the bottom end of the electric hoist (4) is hooked with a hoist hanging pin hole (23) positioned on the hanging plate (21) at the bottom; a group of reinforcing components (111) are arranged on the inner side of the climbing frame (1).
2. The improved structure of the improved climbing frame used in the claim 1, which is characterized in that: the bottom of each scaffold board (101) is provided with a connecting rod (7), and two ends of each connecting rod (7) are in threaded connection with the corresponding climbing frame (1); the top ends of the connecting rods (7) are provided with grooves (8); the bottom ends of the scaffold boards (101) are fixedly connected with pressing blocks (11); the bottom ends of the grooves (8) are respectively provided with a switch (10); climb one side of keeping away from link plate (21) in frame (1) and all install alarm (9), and alarm (9) and switch (10) electric connection.
3. The improved structure of the improved climbing frame used in the claim 2 comprises: the both sides of recess (8) bottom all the rigid coupling have down tube (15), and the top of down tube (15) all with scaffold board (101) rigid coupling.
4. The improved structure of the improved climbing frame as claimed in claim 3, wherein: one side of the inner side wall of the climbing frame (1) far away from the hoisting frame component (2) is fixedly connected with a group of hooks (16).
5. The improved structure of the improved climbing frame as claimed in claim 4, wherein: the reinforcing component (111) comprises a vertical channel steel (12), a second longitudinal horizontal channel steel (13) and a second longitudinal diagonal channel steel (14); the vertical channel steels (12) are fixedly connected to two sides of the interior of the climbing frame (1); the top end and the bottom end of one side, close to the two vertical channel steels (12), are fixedly connected with a second longitudinal horizontal channel steel (13) together; and one side of each vertical channel steel (12) close to each other is fixedly connected with a second longitudinal cable-stayed channel steel (14) together.
6. The improved structure of the improved climbing frame as claimed in claim 5, wherein: the top of scaffold board (101) all is fixed with a set of clutch blocks (17), and clutch blocks (17) are semicircle form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940144.3U CN216406117U (en) | 2021-11-26 | 2021-11-26 | Improved structure of upper and lower lifting frames for improved climbing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940144.3U CN216406117U (en) | 2021-11-26 | 2021-11-26 | Improved structure of upper and lower lifting frames for improved climbing frame |
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| Publication Number | Publication Date |
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| CN216406117U true CN216406117U (en) | 2022-04-29 |
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|---|---|---|---|
| CN202122940144.3U Active CN216406117U (en) | 2021-11-26 | 2021-11-26 | Improved structure of upper and lower lifting frames for improved climbing frame |
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| CN (1) | CN216406117U (en) |
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2021
- 2021-11-26 CN CN202122940144.3U patent/CN216406117U/en active Active
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