CN117550470B - Lifting device for door and window construction installation - Google Patents
Lifting device for door and window construction installation Download PDFInfo
- Publication number
- CN117550470B CN117550470B CN202311830029.8A CN202311830029A CN117550470B CN 117550470 B CN117550470 B CN 117550470B CN 202311830029 A CN202311830029 A CN 202311830029A CN 117550470 B CN117550470 B CN 117550470B
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- plate
- lifting
- door
- window
- fixed
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- 238000009434 installation Methods 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of lifting equipment, in particular to lifting equipment for door and window construction installation, which comprises a lifting mechanism and a fixing mechanism, wherein the lifting mechanism is used for lifting the fixing mechanism in a hanging way, the fixing mechanism is used for fixing a door and window, the lifting mechanism comprises an upper plate and a lower plate which are of T-shaped structures and are distributed vertically symmetrically, a pair of telescopic rods are rotatably connected on the upper plate and the lower plate, two adjacent telescopic rods are connected through an expansion assembly, the extending ends of the telescopic rods are rotatably connected with a pressure plate, the lower plate and the upper plate are connected through a lifting assembly, and the upper plate is provided with a lifting assembly. According to the invention, the two telescopic rods are outwards spread through the expansion assembly to form splayed distribution, then the height between the upper telescopic rod group and the lower telescopic rod group is adjusted through the lifting assembly, and finally the pressure plate is propped against the wall surface, so that the lifting equipment can be stabilized on the wall surface when the door and window are lifted.
Description
Technical Field
The invention relates to the technical field of lifting equipment, in particular to lifting equipment for door and window construction installation.
Background
Doors and windows are important components in building envelope systems, and their shapes, sizes, proportions, arrangements, colors and the like have great influence on the overall shape of the building. Before the door and window are installed, people usually need to transport the door and window to an installation site, and under the condition that the door and window are inconvenient to go up and down stairs to lift and transport, hoisting equipment (a crane) is usually adopted to hoist and transport the door and window from the outside to the installation site.
In order to solve the problem that the prior equipment has connection complexity and difficulty in fixing doors and windows, chinese patent publication No. CN219408877U discloses a door and window crane, which comprises a hanger plate, a supporting plate, a plurality of pairs of limiting transverse grooves, at least one pair of first clamping pieces, a limiting vertical groove and a second clamping piece; a pair of lifting rope rings connected with the lifting rope ends of the lifting equipment are fixedly connected to the top ends of the lifting plates; the supporting plate is vertically and fixedly arranged at the bottom of the hanging plate; the door and window is movably arranged between the hanging plate and the supporting plate; the limiting transverse grooves are formed in the side surfaces of the hanging plate; each pair of limit transverse grooves is horizontally arranged; each first clamping piece comprises an L-shaped pre-tightening pull rod, a rubber pad, a threaded column, a pressure plate and a nut. Although solving the existing technical problems, the following problems still exist:
In this technical scheme, after fixed with door and window, current lifting device hangs the in-process with door and window, because current lifting device lifts by crane in the high building indoor, needs the equipment dead weight very big, just can accomplish to lift by crane under the condition of not taking extra fixedly, but the dead weight is very big also means that equipment is bulky, is difficult to carry into indoor use, consequently, makes corresponding improvement to this problem, proposes the lifting device of a portable door and window construction installation, can be convenient when lifting by crane stability in window position.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides lifting equipment for door and window construction and installation.
The lifting device comprises a lifting mechanism and a fixing mechanism, wherein the lifting mechanism is used for hanging and lifting the fixing mechanism, the fixing mechanism is used for fixing the door and window, the lifting mechanism comprises an upper plate and a lower plate which are of T-shaped structures and are distributed vertically symmetrically, a pair of telescopic rods are rotatably connected to the upper plate and the lower plate, two adjacent telescopic rods are connected through an expansion assembly, a pressure plate is rotatably connected to the extending end of each telescopic rod, the lower plate is connected with the upper plate through a lifting assembly, a lifting assembly is arranged on the upper plate, the two telescopic rods are outwards spread through the expansion assembly to form splayed distribution, the height between the upper telescopic rod and the lower telescopic rod is adjusted through the lifting assembly, and finally the pressure plate is propped against a wall surface, so that the lifting device can be stabilized on the wall surface when the door and window are lifted.
Preferably, the expansion assembly comprises a strip plate which is rotationally connected to the telescopic rod, two strip plates of the same group are distributed in a vertically staggered mode, round holes are formed in the two strip plates, the same bolt is inserted between the upper round hole and the lower round hole, and nuts are connected to the bolts in a threaded mode.
Preferably, the lifting assembly comprises an ear block fixed on the upper plate and a threaded sleeve plate fixed on the lower plate, a screw is connected to the threaded sleeve plate in a threaded manner, the top end of the screw is rotationally connected with the ear block, an extension part is arranged at the bottom end of the upper plate, and a slot for the insertion of the extension part is arranged at the top end of the lower plate.
Preferably, the lifting assembly comprises a main beam penetrating through the upper plate, a fixing seat is fixed at one end of the main beam, a traction wheel is rotationally connected to the fixing seat, a traction machine is fixed at the other end of the main beam, a main rope on the traction machine is sleeved on the traction wheel, a circular ring is fixed at the bottom end of the main rope, two auxiliary ropes are fixed on the circular ring, and a hook is fixed at the bottom end of the auxiliary rope.
Preferably, the upper plate is provided with a sliding opening, the main beam is inserted into the sliding opening, and a U-shaped handle is fixed below one end of the main beam, which is close to the traction machine.
Preferably, the bottom of girder is close to the one end of handle and has seted up flutedly, is equipped with a plurality of interval distribution's card strip in the recess, rotates on the upper plate and is connected with the backup pad, through handle push-and-pull girder for the girder removes in the smooth mouth, in order to adjust the position of lifting point, then rotates the backup pad, and inserts the top of backup pad between two corresponding card strips, fixes the girder.
Preferably, the pressure plate is provided with a mounting groove, and a rubber pad is fixed in the mounting groove and used for preventing the pressure plate from slipping on the wall surface.
Preferably, the fixing mechanism comprises a fixing plate with an L-shaped bottom end, a pair of openings are formed in the fixing plate, a removable clamping assembly is arranged in each opening, a pair of hanging rings are fixed at the top end of the fixing plate, the door and window is placed on the fixing plate, then the clamping assembly penetrates through the openings, and then the upper portion of the door and window is pressed on the fixing plate through the clamping assembly.
Preferably, the clamping assembly comprises a clamping plate of an L-shaped structure, a stud is fixed at the tail end of the clamping plate, a sleeve disk is connected to the stud in a threaded manner, the clamping plate penetrates through the opening and is placed at the top end of the door and window, and then the sleeve disk is screwed onto the stud, so that the sleeve disk abuts against the fastening plate.
Compared with the prior art, the invention provides lifting equipment for door and window construction installation, which has the following beneficial effects:
1. The utility model provides a lifting means of door and window construction installation, outwards strut two telescopic links through expansion assembly, make it form the splayed and distribute, then adjust the height between two sets of telescopic links through lifting unit, make the height of two telescopic links on the upper plate surpass the height along on the window mouth, support the pressure disk on the wall at last, the wall contact more than two pressure disks and the window mouth of top this moment, the wall contact more than two pressure disks and the window mouth of below, owing to receive the gravity effect of door and window when promoting the door and window, can stabilize lifting means on the wall, and when equipment does not use, can retract the minimum interval with upper plate and hypoplastron, draw in the middle with two telescopic links of same group, and shorten the telescopic link to minimum length, can make the body type of this equipment minimum, portable gets into indoor.
2. The utility model provides a lifting means of door and window construction installation, is through setting up expansion assembly, after outwards separating two telescopic links to the established angle, coincides two laths on a straight line, then inserts the bolt simultaneously in two round holes about, screw up the nut on the bolt afterwards, can make two telescopic links fixed under this angle.
3. Lifting equipment for door and window construction installation is characterized in that a lifting assembly is arranged, a screw rod is rotated, and the screw rod, an ear block and an upper plate are driven to move upwards or downwards together under the limit fit of a slot and an extension part, so that the distance between the upper plate and a lower plate is adjusted.
4. Lifting equipment for door and window construction installation is provided with a movable main beam and a supporting plate, when the lifting is carried out at a balcony position, if an outward extending burglary-resisting window is installed at a resident below, the main beam can be moved forward through a handle at the moment so as to enable the main beam to move in a sliding port, the position of a lifting point to be adjusted exceeds the burglary-resisting window, then the supporting plate is rotated, the top end of the supporting plate is inserted between two corresponding clamping strips, and the main beam is fixed.
5. A lifting device for door and window construction installation is characterized in that a fixing mechanism is arranged, a door and window is placed on a fixing plate, a clamping plate penetrates through an opening and is placed at the top end of the door and window, a sleeve disc is screwed on a stud, the sleeve disc abuts against the fixing plate, and the upper portion of the door and window can be pressed on the fixing plate through the clamping plate.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a lifting device for door and window construction installation;
fig. 2 is a schematic view of a first angle structure of a lifting mechanism of lifting equipment for door and window construction installation according to the present invention;
fig. 3 is a schematic view of a second angle structure of a lifting mechanism of lifting equipment for door and window construction installation according to the present invention;
fig. 4 is an enlarged schematic view of a portion a of a lifting device for door and window construction and installation according to the present invention shown in fig. 2;
FIG. 5 is an enlarged schematic view of the lifting device for installing door and window construction according to the present invention at position B;
fig. 6 is a schematic view of an installation structure between a lower plate and an upper plate of a lifting device for door and window construction installation;
Fig. 7 is a schematic view of an installation structure between an upper plate and a main beam of a lifting device for door and window construction installation;
FIG. 8 is an enlarged view of the structure of the lifting device for installing door and window construction according to the present invention at C;
Fig. 9 is a schematic structural view of a fixing mechanism of a lifting device for door and window construction installation according to the present invention;
Fig. 10 is an enlarged schematic view of a structure D of a lifting device for door and window construction and installation according to the present invention shown in fig. 9.
In the figure: 1. a lifting mechanism; 2. a fixing mechanism; 3. a lower plate; 4. an upper plate; 5. a telescopic rod; 6. a pressure plate; 7. a slat; 8. a round hole; 9. a bolt; 10. a nut; 11. a slot; 12. an extension; 13. ear pieces; 14. a thread sleeve plate; 15. a screw; 16. a main beam; 17. a fixing seat; 18. a traction wheel; 19. a traction machine; 20. a main rope; 21. a circular ring; 22. a secondary rope; 23. a hook; 24. a sliding port; 25. a handle; 26. a groove; 27. clamping strips; 28. a support plate; 29. a mounting groove; 30. a rubber pad; 31. a fixing plate; 32. an opening; 33. a clamping plate; 34. a stud; 35. a sleeve disk; 36. hanging rings.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
Referring to fig. 1-10, a lifting device for door and window construction installation, including lifting mechanism 1 and fixed establishment 2, lifting mechanism 1 is used for carrying out the suspension promotion with fixed establishment 2, fixed establishment 2 is used for fixing door and window, lifting mechanism 1 includes upper plate 4 and lower plate 3 of upper and lower symmetric distribution's T-shaped structure, all rotate on upper plate 4 and lower plate 3 and be connected with a pair of telescopic link 5, connect through expansion subassembly between two adjacent telescopic link 5, the extension end rotation of telescopic link 5 is connected with pressure disk 6, connect through lifting unit between lower plate 3 and the upper plate 4, be provided with lifting unit on upper plate 4, outwards strut two telescopic link 5 through expansion subassembly, make it form the splayed and distribute, then adjust the height between two sets of telescopic link 5 through lifting unit, make the height that highly exceeds window mouth top edge on the upper plate 4, at last with pressure disk 6 support on the wall, two pressure disk 6 and window mouth above the wall contact, the pressure disk 6 of below and pressure disk mouth contact, the two pressure disk 6 and window mouth below can receive the side of the same time, can not receive the expansion link 5 in the time of the side of the device, and the device is shortened to the minimum, can be in the same time, the device is shortened, the device is realized, the device is contracted down in the window and the window is small, the length is very small, can be realized, the device is convenient for the device is shortened, and the device is convenient for the device is folded down in the top and is opened.
Further, the expansion assembly comprises strip plates 7 which are rotationally connected to the telescopic rods 5, the two strip plates 7 of the same group are distributed in a vertically staggered mode, round holes 8 are formed in the two strip plates 7, the same bolt 9 is inserted between the upper round hole 8 and the lower round hole 8, nuts 10 are connected to the bolts 9 in a threaded mode, after the two telescopic rods 5 are separated outwards to a preset angle, the two strip plates 7 are overlapped to a straight line, then the bolts 9 are simultaneously inserted into the upper round hole 8 and the lower round hole 8, and then the nuts 10 are screwed onto the bolts 9, so that the two telescopic rods 5 can be fixed under the angle.
Further, the lifting assembly comprises an ear block 13 fixed on the upper plate 4 and a threaded sleeve plate 14 fixed on the lower plate 3, a screw rod 15 is connected to the threaded sleeve plate 14 in a threaded manner, the top end of the screw rod 15 is rotationally connected with the ear block 13, an extension portion 12 is arranged at the bottom end of the upper plate 4, a slot 11 for the insertion of the extension portion 12 is arranged at the top end of the lower plate 3, the screw rod 15 is rotated, and the screw rod 15, the ear block 13 and the upper plate 4 are driven to move upwards or downwards together under the limit fit of the slot 11 and the extension portion 12, so that the distance between the upper plate 4 and the lower plate 3 is adjusted.
Further, the hoisting assembly comprises a main beam 16 penetrating through the upper plate 4, a fixed seat 17 is fixed at one end of the main beam 16, a traction wheel 18 is rotatably connected to the fixed seat 17, a traction machine 19 is fixed at the other end of the main beam 16, a main rope 20 on the traction machine 19 is sleeved on the traction wheel 18, a circular ring 21 is fixed at the bottom end of the main rope 20, two auxiliary ropes 22 are fixed on the circular ring 21, a hook 23 is fixed at the bottom end of the auxiliary ropes 22, the hook 23 is hung on the fixing mechanism 2, then the traction machine 19 is started, the traction machine 19 winds the main rope 20, and the hook 23 lifts the fixing mechanism 2.
Further, a sliding opening 24 is formed in the upper plate 4, the main beam 16 is inserted into the sliding opening 24, and a U-shaped handle 25 is fixed below one end of the main beam 16, which is close to the traction machine 19.
Further, the bottom of the main beam 16 is provided with a groove 26 near one end of the handle 25, a plurality of clamping strips 27 distributed at intervals are arranged in the groove 26, the upper plate 4 is rotatably connected with a supporting plate 28, when the balcony is lifted, if an outward extending burglary-resisting window is installed at the lower resident, the main beam 16 can be moved forward through the handle 25 at the moment, so that the main beam 16 can be moved in the sliding opening 24 to adjust the position of the lifting point to exceed the burglary-resisting window, then the supporting plate 28 is rotated, and the top end of the supporting plate 28 is inserted between the two corresponding clamping strips 27, so that the main beam 16 is fixed.
Further, the pressure plate 6 is provided with a mounting groove 29, and a rubber pad 30 is fixed in the mounting groove 29 and used for preventing the pressure plate 6 from slipping on the wall surface.
Further, the fixing mechanism 2 includes a fixing plate 31 with an L-shaped bottom end, a pair of openings 32 are formed in the fixing plate 31, a removable clamping assembly is disposed in each of the openings 32, a pair of hanging rings 36 are fixed to the top end of the fixing plate 31, the door and window is placed on the fixing plate 31, the clamping assembly penetrates through the openings 32, and then the upper portion of the door and window is pressed on the fixing plate 31 through the clamping assembly.
Further, the clamping assembly comprises a clamping plate 33 with an L-shaped structure, a stud 34 is fixed at the tail end of the clamping plate 33, a sleeve disk 35 is connected to the stud 34 in a threaded mode, the clamping plate 33 penetrates through the opening 32 and is placed at the top end of the door and window, and then the sleeve disk 35 is screwed onto the stud 34, so that the sleeve disk 35 abuts against the fixing plate.
Working principle: the two telescopic rods 5 are outwards spread to form splayed distribution, after the two telescopic rods 5 are outwards separated to a preset angle, the two laths 7 are overlapped on a straight line, then the bolts 9 are simultaneously inserted into the upper round holes 8 and the lower round holes 8, and then the nuts 10 are screwed on the bolts 9, so that the two telescopic rods 5 can be fixed under the angle;
Then the screw rod 15 is rotated, under the limit fit of the slot 11 and the extension part 12, the screw rod 15, the lug 13 and the upper plate 4 are driven to move upwards or downwards together, so that the distance between the upper plate 4 and the lower plate 3 is adjusted, the heights of the two telescopic rods 5 on the upper plate 4 exceed the heights of the upper edges of the window openings, and finally the pressure plate 6 is abutted against the wall surface, at the moment, the two pressure plates 6 above are contacted with the wall surface above the window openings, and the two pressure plates 6 below are contacted with the wall surface below the window openings;
Simultaneously, ground personnel put the door and window on the fixed plate 31, pass the clamp plate 33 through the opening 32 and put on the top end of the door and window, then screw the sleeve disk 35 onto the stud 34, make the sleeve disk 35 support against the fixed plate, can compress the upper portion of the door and window on the fixed plate 31 through the clamp plate 33, then hang the hook 23 on the hanging ring 36, then start the traction machine 19, the traction machine 19 winds up the main rope 20, the hook 23 lifts the fixed mechanism 2;
when the balcony is lifted, if a resident below is provided with an outward extending burglary-resisting window, the main beam 16 can be moved forwards through the handle 25 at the moment, so that the main beam 16 moves in the sliding opening 24 to adjust the position of a lifting point to exceed the burglary-resisting window, then the supporting plate 28 is rotated, and the top end of the supporting plate 28 is inserted between the two corresponding clamping strips 27 to fix the main beam 16;
When the device is not in use, the upper plate 4 and the lower plate 3 can be contracted to the minimum distance, the two telescopic rods 5 of the same group are folded towards the middle, the telescopic rods 5 are shortened to the minimum length, the body type of the device can be minimized, and the device is convenient to carry and enters a room.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The lifting device for door and window construction installation comprises a lifting mechanism (1) and a fixing mechanism (2), wherein the lifting mechanism (1) is used for hanging and lifting the fixing mechanism (2), the fixing mechanism (2) is used for fixing a door and window, and is characterized in that the lifting mechanism (1) comprises an upper plate (4) and a lower plate (3) which are of T-shaped structures and distributed vertically symmetrically, a pair of telescopic rods (5) are rotatably connected to the upper plate (4) and the lower plate (3), two adjacent telescopic rods (5) are connected through expansion components, a pressure plate (6) is rotatably connected to the extending ends of the telescopic rods (5), the lower plate (3) is connected with the upper plate (4) through a lifting component, the upper plate (4) is provided with a lifting component, the two telescopic rods (5) are outwards spread through the expansion component to form splayed distribution, the heights between the upper telescopic rods (5) and the lower telescopic rods (5) are adjusted through the lifting component, and finally the telescopic rods (6) are abutted to a wall surface, and the lifting device can be stably lifted to the wall surface of the pressure plate when the door and window are lifted.
The hoisting assembly comprises a main beam (16) which penetrates through the upper plate (4), a fixed seat (17) is fixed at one end of the main beam (16), a traction wheel (18) is rotationally connected to the fixed seat (17), a traction machine (19) is fixed at the other end of the main beam (16), a main rope (20) on the traction machine (19) is sleeved on the traction wheel (18), a circular ring (21) is fixed at the bottom end of the main rope (20), two auxiliary ropes (22) are fixed on the circular ring (21), and a hook (23) is fixed at the bottom end of the auxiliary rope (22);
a sliding opening (24) is formed in the upper plate (4), a main beam (16) is inserted into the sliding opening (24), and a U-shaped handle (25) is fixed below one end, close to the traction machine (19), of the main beam (16);
A groove (26) is formed in the bottom of the main beam (16) near one end of the handle (25), a plurality of clamping strips (27) which are distributed at intervals are arranged in the groove (26), a supporting plate (28) is rotatably connected to the upper plate (4), the main beam (16) is pushed and pulled through the handle (25), the main beam (16) moves in the sliding port (24) to adjust the position of a lifting point, then the supporting plate (28) is rotated, and the top end of the supporting plate (28) is inserted between the two corresponding clamping strips (27), so that the main beam (16) is fixed;
The pressure plate (6) is provided with a mounting groove (29), and a rubber pad (30) is fixed in the mounting groove (29) and used for preventing the pressure plate (6) from slipping on the wall surface.
2. The lifting device for door and window construction installation according to claim 1, wherein the expansion assembly comprises strips (7) rotatably connected to the telescopic rod (5), two strips (7) of the same group are distributed in a vertically staggered mode, round holes (8) are formed in the two strips (7), the same bolt (9) is inserted between the upper round hole (8) and the lower round hole (8), and nuts (10) are connected to the bolts (9) in a threaded mode.
3. Lifting device for door and window construction installation according to claim 1, characterized in that the lifting assembly comprises an ear block (13) fixed on the upper plate (4) and a thread sleeve plate (14) fixed on the lower plate (3), a screw (15) is connected to the thread sleeve plate (14) in a threaded manner, the top end of the screw (15) is rotationally connected with the ear block (13), an extension part (12) is arranged at the bottom end of the upper plate (4), and a slot (11) for inserting the extension part (12) is arranged at the top end of the lower plate (3).
4. Lifting device for door and window construction installation according to claim 1, characterized in that the fixing mechanism (2) comprises a fixing plate (31) with an L-shaped bottom end, a pair of openings (32) are formed in the fixing plate (31), a removable clamping assembly is arranged in the openings (32), a pair of hanging rings (36) are fixed at the top end of the fixing plate (31), the door and window is placed on the fixing plate (31), then the clamping assembly penetrates through the openings (32), and then the upper part of the door and window is pressed on the fixing plate (31) through the clamping assembly.
5. Lifting device for construction installation of doors and windows according to claim 4, characterised in that the clamping assembly comprises a clamping plate (33) of L-shaped structure, the end of the clamping plate (33) being fixed with a stud (34), the stud (34) being screwed with a collar (35), the clamping plate (33) being juxtaposed to the top of the door and window through the opening (32), and then the collar (35) being screwed onto the stud (34) such that the collar (35) abuts against the fastening plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311830029.8A CN117550470B (en) | 2023-12-28 | 2023-12-28 | Lifting device for door and window construction installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311830029.8A CN117550470B (en) | 2023-12-28 | 2023-12-28 | Lifting device for door and window construction installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117550470A CN117550470A (en) | 2024-02-13 |
| CN117550470B true CN117550470B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311830029.8A Active CN117550470B (en) | 2023-12-28 | 2023-12-28 | Lifting device for door and window construction installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117550470B (en) |
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| CN117550470A (en) | 2024-02-13 |
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