CN116480163A - Height-adjustable unitized curtain wall transport frame - Google Patents
Height-adjustable unitized curtain wall transport frame Download PDFInfo
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- CN116480163A CN116480163A CN202310461528.8A CN202310461528A CN116480163A CN 116480163 A CN116480163 A CN 116480163A CN 202310461528 A CN202310461528 A CN 202310461528A CN 116480163 A CN116480163 A CN 116480163A
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Abstract
The utility model discloses a height-adjustable unit curtain wall transfer frame, which relates to the technical field of unit curtain wall transfer and comprises a support frame, wherein vertical rods are fixedly connected to four corners of the top of the support frame, hanging rings are inserted into the top of the vertical rods, a cross rod is lapped on one side of the vertical rods, a curtain wall is lapped on the upper surface of the cross rod, and bevel gear screws are rotatably connected to two sides of the front face of the cross rod. According to the utility model, the bottom of the sliding pressing plate is conveniently guided through the functions of the roller and the guide groove I, the problem of shaking when the sliding pressing plate is moved is avoided, the fixing effect on the curtain wall is influenced, the bevel gear screw rods on two sides are conveniently controlled through rotating and adjusting the bevel gear by utilizing the function of the bevel gear, the curtain wall is positioned in the middle of the cross rod, and the pressing plate is conveniently and well controlled by utilizing the function of sliding connection between the guide groove plate and the Y-shaped extending support, so that the other two sides of the curtain wall are better fixed.
Description
Technical Field
The utility model relates to the technical field of unitized curtain wall transportation, in particular to a height-adjustable unitized curtain wall transportation frame.
Background
With the development of modern industrial technology, building houses can be performed in a flow-line factory similar to industrial manufacturing, and a high-rise building can be built by transferring prefabricated house components to a construction site for assembly. This manner of prefabricating building components and assembling them directly into a building at the worksite is known as fabricated building. The peripheral wall used in fabricated buildings is called a fabricated building unit curtain wall.
For example, chinese patent publication No. CN215948962U discloses a transfer frame of assembled building unit curtain wall, including a plurality of rectangular frames that can stack each other, rectangular frame comprises vertical square steel, horizontal square steel and support square steel, horizontal square steel and vertical square steel form rectangular structure, support square steel and horizontal square steel welding, the last surface mounting of support square steel has the rubber backing plate that is used for placing building unit curtain wall, install a plurality of jackscrew seats on the horizontal square steel, screw up on the jackscrew seat and be equipped with the jackscrew, install the lug on the rectangular frame, the top of vertical square steel is equipped with the location flat board, the upper surface welding of location flat board has the location square steel, the screw pin runs through hole and two pinholes in proper order from the outside of vertical square steel and screws in the screw hole, in order to restrict vertical square steel and location square steel separation. The utility model improves the utilization rate of longitudinal space, prevents the building unit curtain wall from colliding in the transportation process, has simple and reliable superposition mode, and improves the transportation efficiency and quality of the assembled building unit curtain wall on the production site.
The following problems exist in the prior art:
the existing unitized curtain wall transfer frame with adjustable height is inconvenient to disassemble the hanging ring during use, so that the hanging ring is inconvenient to replace, and the transfer effect of the transfer frame on the curtain wall is affected; the existing unitized curtain wall transfer frame with adjustable height is inconvenient to adjust the height of the cross rod during use, so that the height of the curtain wall is inconvenient to control; the existing unitized curtain wall transportation frame with adjustable height is inconvenient to fix four sides of a curtain wall when in use, and can generate certain shaking when carrying the curtain wall, so that the curtain wall falls off.
Disclosure of Invention
The utility model provides a unitized curtain wall transfer frame with adjustable height, which solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a height-adjustable's unitized curtain wall transport frame, includes the support frame, the four corners fixedly connected with montant at support frame top, peg graft at the top of montant has the link, one side overlap joint of montant has the horizontal pole, the upper surface overlap joint of horizontal pole has the curtain.
The right-hand member of adjusting screw rod II rotates and is connected with the guide slot board, the positive both sides of horizontal pole rotate and are connected with bevel gear screw rod, bevel gear screw rod's outer wall threaded connection has the slip clamp plate, one side fixed mounting of slip clamp plate has the rubber wear-resisting board, one side of rubber wear-resisting board and one side overlap joint of curtain, the bottom of slip clamp plate and the inside sliding connection of horizontal pole, one side fixed mounting that the slip clamp plate outwards has Y shape to extend the support, Y shape extends the one end threaded connection of support has adjusting screw rod II, adjusting screw rod II's right-hand member rotates and is connected with the guide slot board.
The top at the positive both ends of horizontal pole rotates and is connected with adjusting screw one, the positive both ends sliding connection of horizontal pole has the taper pin piece, one end and the one side grafting of montant of taper pin piece, the inner wall sliding connection of montant has the slider, the positive right side of slider rotates and is connected with adjusting screw sleeve one, adjusting screw sleeve one's inner wall threaded connection has guiding screw, guiding screw's left side fixed mounting has the conical head, the left end of conical head is pegged graft with the one end of horizontal pole.
The positive bottom of link is pegged graft and is had the locating pin, the left side of locating pin and the left side fixed mounting of montant top inner wall, the right side overlap joint of link has the push pedal, the middle part fixed mounting on push pedal right side has the screw rod, the outer wall threaded connection of screw rod has the regulation swivel nut two, the outer wall of regulation swivel nut two rotates with the right side at montant positive top and is connected.
The technical scheme of the utility model is further improved as follows: the outer wall of one side of the bevel gear screw is meshed with an adjusting bevel gear, and the axis of the adjusting bevel gear is rotationally connected with the front face of the cross rod.
The technical scheme of the utility model is further improved as follows: the front of the cross rod is provided with a first guide groove, the bottom of the sliding pressing plate is positioned below the bevel gear screw rod and is rotationally connected with a rolling shaft, and the outer wall of the rolling shaft is in sliding connection with the inner wall of the first guide groove.
The technical scheme of the utility model is further improved as follows: the inner wall of the guide groove plate is in sliding connection with the outer wall on the right side of the Y-shaped extension bracket, and a pressing plate is fixedly arranged on the right side of the front face of the guide groove plate.
The technical scheme of the utility model is further improved as follows: the bottom threaded connection of an adjusting screw outer wall has oblique inserted block, the outer wall of inserted block and the positive both ends sliding connection of horizontal pole to one side, the bottom of inserted block is pegged graft with the outer wall of oblique round pin piece to one side, the left side fixedly connected with supporting spring of oblique round pin piece is first.
The technical scheme of the utility model is further improved as follows: the guide groove II is formed in the outer wall of the guide screw, and the inner portion of the guide groove II is connected with the left side of the front face of the sliding block in a sliding mode.
The technical scheme of the utility model is further improved as follows: the outer wall of the locating pin is movably sleeved with a push ring and a second supporting spring, the left side of the push ring is fixedly mounted with the right end of the second supporting spring, and the left side of the second supporting spring is fixedly mounted with the top of the left side of the inner wall of the vertical rod.
The technical scheme of the utility model is further improved as follows: the bottom of the right side of the push plate is fixedly provided with a guide rod, and the outer wall of the guide rod is spliced with the right side of the top of the front surface of the vertical rod.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a height-adjustable unit curtain wall transport frame, which is convenient for guiding the bottom of a sliding pressing plate through the action of a roller and a first guide groove, so as to avoid the problem of shaking when the sliding pressing plate is moved, thereby influencing the fixing effect of a curtain wall;
2. the utility model provides a height-adjustable unit curtain wall transport frame, which is convenient for controlling the connection part between the end part of a cross rod and a vertical rod by utilizing the insertion of an oblique insertion block and the oblique pin block and the pushing of a pair of oblique pin blocks of a supporting spring when controlling the oblique pin blocks, is convenient for inserting between the oblique pin block and one side of the vertical rod, and is convenient for controlling a guide screw by utilizing the action of a guide groove II and a sliding block, so that the problem of rotation when controlling the guide screw is avoided;
3. the utility model provides a height-adjustable unit curtain wall transport frame, which is convenient for guiding a push plate by utilizing the action of a guide rod when a hanging ring is dismounted, and avoids the problem of rotation when the push plate is pushed, thereby influencing the control effect of the push plate, and is convenient for pushing the hanging ring out of the outer wall of a positioning pin by utilizing the pushing of a supporting spring II, thereby achieving the aim of facilitating the replacement of the hanging ring.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the vertical and horizontal bars of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 4 is a schematic cross-sectional view of a Y-shaped extension stent of the present utility model;
fig. 5 is an enlarged schematic view of the structure of the present utility model at B.
In the figure: 1. a support frame; 2. a vertical rod;
3. a cross bar; 31. bevel gear screw; 32. adjusting the bevel gear; 33. a sliding pressure plate; 34. a rubber wear plate; 35. a roller; 36. a guide groove I; 37. a first supporting spring; 38. a taper pin block; 39. oblique insertion blocks; 310. adjusting the first screw rod; 311. a conical head; 312. a lead screw; 313. a guide groove II; 314. an adjusting screw sleeve I; 315. a Y-shaped extension bracket; 316. adjusting a second screw rod; 317. a guide groove plate; 318. a pressing plate;
4. curtain walls;
5. hanging rings; 51. a push ring; 52. a second supporting spring; 53. positioning pins; 54. a push plate; 55. a screw; 56. adjusting a second screw sleeve; 57. and a guide rod.
Description of the embodiments
The utility model is further illustrated by the following examples:
examples
As shown in figures 1-5, the utility model provides a height-adjustable unit curtain wall transportation frame, which comprises a supporting frame 1, wherein four corners at the top of the supporting frame 1 are fixedly connected with vertical rods 2, the tops of the vertical rods 2 are inserted with hanging rings 5, one side of each vertical rod 2 is overlapped with a cross rod 3, the upper surface of each cross rod 3 is overlapped with a curtain wall 4, two sides of the front surface of each cross rod 3 are rotatably connected with bevel gear screws 31, the outer wall of each bevel gear screw 31 is in threaded connection with a sliding pressing plate 33, one side of each sliding pressing plate 33 is fixedly provided with a rubber wear-resisting plate 34, one side of each rubber wear-resisting plate 34 is overlapped with one side of the curtain wall 4, the bottom of each sliding pressing plate 33 is in sliding connection with the inside of each cross rod 3, one side of each sliding pressing plate 33, which faces outwards, is fixedly provided with a Y-shaped extension bracket 315, one end of each Y-shaped extension bracket 315 is in threaded connection with an adjusting screw II 316, the right end of the adjusting screw II 316 is rotationally connected with a guide groove plate 317, the top of the two ends of the front surface of the cross rod 3 is rotationally connected with an adjusting screw I310, the two ends of the front surface of the cross rod 3 are slidingly connected with an inclined pin block 38, one end of the inclined pin block 38 is spliced with one side of the vertical rod 2, the inner wall of the vertical rod 2 is slidingly connected with a sliding block, the right side of the front surface of the sliding block is rotationally connected with an adjusting screw sleeve I314, the inner wall of the adjusting screw sleeve I314 is in threaded connection with a guide screw 312, the left side of the guide screw 312 is fixedly provided with a conical head 311, the left end of the conical head 311 is spliced with one end of the cross rod 3, the bottom of the front surface of the hanging ring 5 is spliced with a locating pin 53, the left side of the locating pin 53 is fixedly provided with a push plate 54 in a lap joint with the left side of the inner wall of the top of the vertical rod 2, the middle part of the right side of the push plate 54 is fixedly provided with a screw 55, the outer wall of the screw 55 is in threaded connection with an adjusting screw sleeve II 56, the outer wall of the second adjusting screw sleeve 56 is rotationally connected with the right side of the top of the front surface of the vertical rod 2.
In this embodiment, the transfer rack is placed at a proper position, and the curtain wall 4 is placed on the upper surfaces of the cross rod 3 and the Y-shaped extending support 315, the tool is used for rotating the adjusting bevel gear 32, so that the bevel gear screw 31 can be driven to rotate, and the sliding pressing plate 33 can be pushed, so that the rubber wear-resisting plate 34 presses two sides of the curtain wall 4, the purpose of fixing two sides of the curtain wall 4 is achieved, the tool is used for rotating the adjusting screw two 316, the pressing plate 318 can be pushed, and therefore two other sides of the curtain wall 4 can be fixed, four sides of the curtain wall 4 can be fixed, and falling of the curtain wall 4 when the curtain wall 4 is transferred is avoided.
Examples
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outer wall on one side of the bevel gear screw 31 is meshed with an adjusting bevel gear 32, the axle center of the adjusting bevel gear 32 is rotationally connected with the front surface of the cross rod 3, a first guide groove 36 is formed in the front surface of the cross rod 3, the bottom of the sliding pressing plate 33 is rotationally connected with a roller 35 below the bevel gear screw 31, the outer wall of the roller 35 is slidingly connected with the inner wall of the first guide groove 36, the inner wall of the guide groove plate 317 is slidingly connected with the outer wall on the right side of the Y-shaped extension bracket 315, and a pressing plate 318 is fixedly mounted on the right side of the front surface of the guide groove plate 317.
In this embodiment, the bottom of the sliding platen 33 is guided conveniently through the roller 35 and the first guide groove 36, so that the problem of shaking during moving the sliding platen 33 is avoided, the fixing effect of the curtain wall 4 is affected, the bevel gear screws 31 on two sides are controlled conveniently through rotating and adjusting the bevel gears 32, the curtain wall 4 is located in the middle of the cross rod 3, and the pressing plate 318 is controlled better by the sliding connection between the guide groove plate 317 and the Y-shaped extending bracket 315, so that the other two sides of the curtain wall 4 are fixed better.
Examples
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the bottom of the outer wall of the first adjusting screw 310 is connected with an inclined inserting block 39 in a threaded manner, the outer wall of the inclined inserting block 39 is connected with two ends of the front face of the cross rod 3 in a sliding manner, the bottom of the inclined inserting block 39 is connected with the outer wall of the inclined pin block 38 in an inserting manner, the left side of the inclined pin block 38 is fixedly connected with a first supporting spring 37, the outer wall of the guide screw 312 is provided with a second guide groove 313, and the inner portion of the second guide groove 313 is connected with the left side of the front face of the sliding block in a sliding manner.
In this embodiment, the oblique pin block 38 is pushed by the insertion of the oblique insert block 39 and the oblique pin block 38 and the supporting spring one 37, so that the connection between the end of the cross rod 3 and the vertical rod 2 is controlled, the insertion of the oblique pin block 38 and one side of the vertical rod 2 is facilitated, the guide groove two 313 and the sliding block are utilized, the guide screw 312 is controlled, and the rotation of the guide screw 312 is avoided during the control.
Examples
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outer wall of the locating pin 53 is movably sleeved with the push ring 51 and the second supporting spring 52, the left side of the push ring 51 is fixedly mounted with the right end of the second supporting spring 52, the left side of the second supporting spring 52 is fixedly mounted with the top of the left side of the inner wall of the vertical rod 2, the bottom of the right side of the push plate 54 is fixedly mounted with the guide rod 57, and the outer wall of the guide rod 57 is spliced with the right side of the top of the front face of the vertical rod 2.
In this embodiment, through the action of the guide rod 57, the push plate 54 is conveniently guided, so that the problem of rotation during pushing the push plate 54 is avoided, the control effect on the push plate 54 is affected, the push ring 51 is conveniently pushed out of the outer wall of the positioning pin 53 by the support spring II 52, and the aim of conveniently replacing the hanging ring 5 is fulfilled.
The working principle of the height-adjustable unitized curtain wall transport frame is specifically described below.
As shown in fig. 1 to 5, firstly, the transfer frame is placed at a proper position, the curtain wall 4 is placed on the upper surfaces of the cross rod 3 and the Y-shaped extension bracket 315, the bevel gear 32 is rotated by a tool, the bevel gear screw 31 is driven to rotate, so that the sliding pressing plate 33 can be pushed, the rubber wear plate 34 presses two sides of the curtain wall 4, thereby achieving the purpose of fixing two sides of the curtain wall 4, the adjusting screw rod two 316 is rotated by the tool, the pressing plate 318 can be pushed, thereby fixing the other two sides of the curtain wall 4, so as to fix four sides of the curtain wall 4, avoid the problem that the curtain wall 4 falls off when transferring the curtain wall 4, guide the bottom of the sliding pressing plate 33 by the functions of the roller 35 and the guide groove one 36, avoid the problem that the sliding pressing plate 33 shakes when moving, thereby affecting the fixing effect of the curtain wall 4, utilizing the effect of adjusting the bevel gear 32, facilitating the control of the bevel gear screw 31 on two sides by rotating the adjusting bevel gear 32, so that the curtain wall 4 is positioned in the middle of the cross rod 3, utilizing the sliding connection effect between the guide groove plate 317 and the Y-shaped extension bracket 315, facilitating the control of the pressing plate 318, so that the other two sides of the curtain wall 4 are better fixed, when the placing height of the curtain wall 4 needs to be controlled, the adjusting screw one 310 is rotated by a tool, the oblique insert 39 can be controlled, thereby facilitating the control of the oblique pin block 38, enabling one end of the oblique pin block 38 to be inserted with one side of the vertical rod 2, controlling the height of the cross rod 3, and rotating the adjusting screw sleeve one 314 by a tool, the guide screw 312 can be pushed under the action of threaded connection, the left side of the conical head 311 is inserted into one end of the cross rod 3, thereby achieving the purpose of fixing the cross rod 3 for the second time, improving the stability of the cross rod 3, utilizing the insertion of the oblique insertion block 39 and the oblique pin block 38 and the pushing of the first supporting spring 37 to the oblique pin block 38, facilitating the control of the connection part between the end part of the cross rod 3 and the vertical rod 2, facilitating the insertion of the oblique pin block 38 and one side of the vertical rod 2, utilizing the action of the second guiding groove 313 and the sliding block, facilitating the control of the guide screw 312, avoiding the problem of rotation when the guide screw 312 is controlled, inserting the bottom of the hanging ring 5 onto the outer wall of the positioning pin 53 when the hanging ring 5 is disassembled, then rotating the second adjusting screw sleeve 56 to control the screw 55, enabling the push plate 54 to compress the right side of the hanging ring 5, thereby achieving the purpose of facilitating the installation of the hanging ring 5, utilizing the action of the guiding rod 57, facilitating the guiding of the push plate 54, avoiding the problem of rotation when the push plate 54 pushes the push plate 54, thereby influencing the control of the push plate 54, and facilitating the replacement of the supporting spring 52, and facilitating the replacement of the hanging ring 5 by the outer wall of the hanging ring 53.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (8)
1. The utility model provides a height-adjustable's unitized curtain wall transport frame, includes support frame (1), its characterized in that: the four corners of the top of the support frame (1) are fixedly connected with vertical rods (2), hanging rings (5) are inserted into the tops of the vertical rods (2), one side of each vertical rod (2) is lapped with a cross rod (3), and the upper surface of each cross rod (3) is lapped with a curtain wall (4);
the two sides of the front surface of the cross rod (3) are rotationally connected with bevel gear screws (31), the outer wall of each bevel gear screw (31) is in threaded connection with a sliding pressing plate (33), one side of each sliding pressing plate (33) is fixedly provided with a rubber wear-resisting plate (34), one side of each rubber wear-resisting plate (34) is in lap joint with one side of the curtain wall (4), the bottom of each sliding pressing plate (33) is in sliding connection with the inside of the cross rod (3), one outwards-facing side of each sliding pressing plate (33) is fixedly provided with a Y-shaped extending bracket (315), one end of each Y-shaped extending bracket (315) is in threaded connection with an adjusting screw II (316), and the right end of each adjusting screw II (316) is rotationally connected with a guide groove plate (317);
the top of the two ends of the front surface of the cross rod (3) is rotationally connected with an adjusting screw I (310), the two ends of the front surface of the cross rod (3) are slidingly connected with an inclined pin block (38), one end of the inclined pin block (38) is connected with one side of a vertical rod (2) in an inserting mode, the inner wall of the vertical rod (2) is slidingly connected with a sliding block, the right side of the front surface of the sliding block is rotationally connected with an adjusting screw I (314), the inner wall of the adjusting screw I (314) is in threaded connection with a guide screw (312), a conical head (311) is fixedly arranged on the left side of the guide screw (312), and the left end of the conical head (311) is connected with one end of the cross rod (3) in an inserting mode;
the positive bottom of link (5) is pegged graft and is had locating pin (53), the left side fixed mounting of locating pin (53) and the left side of montant (2) top inner wall, the right side overlap joint of link (5) has push pedal (54), the middle part fixed mounting on push pedal (54) right side has screw rod (55), the outer wall threaded connection of screw rod (55) has regulation swivel nut two (56), the outer wall of regulation swivel nut two (56) rotates with the right side at montant (2) positive top and is connected.
2. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the outer wall of one side of the bevel gear screw (31) is meshed with an adjusting bevel gear (32), and the axis of the adjusting bevel gear (32) is rotationally connected with the front face of the cross rod (3).
3. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the front of the cross rod (3) is provided with a first guide groove (36), a roller (35) is rotatably connected to the bottom of the sliding pressing plate (33) and below the bevel gear screw (31), and the outer wall of the roller (35) is slidably connected with the inner wall of the first guide groove (36).
4. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the inner wall of the guide groove plate (317) is in sliding connection with the outer wall on the right side of the Y-shaped extension bracket (315), and a pressing plate (318) is fixedly arranged on the right side of the front face of the guide groove plate (317).
5. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the bottom of the outer wall of the first adjusting screw (310) is connected with an inclined inserting block (39) in a threaded mode, the outer wall of the inclined inserting block (39) is connected with two ends of the front face of the cross rod (3) in a sliding mode, the bottom of the inclined inserting block (39) is connected with the outer wall of an inclined pin block (38) in an inserting mode, and the left side of the inclined pin block (38) is fixedly connected with a first supporting spring (37).
6. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the outer wall of the guide screw (312) is provided with a second guide groove (313), and the inside of the second guide groove (313) is connected with the left side of the front surface of the sliding block in a sliding way.
7. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the outer wall of the locating pin (53) is movably sleeved with a push ring (51) and a second supporting spring (52), the left side of the push ring (51) is fixedly installed with the right end of the second supporting spring (52), and the left side of the second supporting spring (52) is fixedly installed with the top of the left side of the inner wall of the vertical rod (2).
8. The height-adjustable unitized curtain wall transport frame of claim 1, wherein: the bottom of the right side of the push plate (54) is fixedly provided with a guide rod (57), and the outer wall of the guide rod (57) is spliced with the right side of the top of the front surface of the vertical rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310461528.8A CN116480163A (en) | 2023-04-26 | 2023-04-26 | Height-adjustable unitized curtain wall transport frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310461528.8A CN116480163A (en) | 2023-04-26 | 2023-04-26 | Height-adjustable unitized curtain wall transport frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116480163A true CN116480163A (en) | 2023-07-25 |
Family
ID=87216281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310461528.8A Pending CN116480163A (en) | 2023-04-26 | 2023-04-26 | Height-adjustable unitized curtain wall transport frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116480163A (en) |
-
2023
- 2023-04-26 CN CN202310461528.8A patent/CN116480163A/en active Pending
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