CN113152908A - Building construction lifting device - Google Patents
Building construction lifting device Download PDFInfo
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- CN113152908A CN113152908A CN202110431922.8A CN202110431922A CN113152908A CN 113152908 A CN113152908 A CN 113152908A CN 202110431922 A CN202110431922 A CN 202110431922A CN 113152908 A CN113152908 A CN 113152908A
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- plate
- mounting
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- sliding
- lifting device
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
Abstract
The invention belongs to the technical field of construction machinery, in particular to a building construction lifting device, which aims at the problems that the existing lifting device is large-scale equipment, the occupied area is large, the use is inconvenient, and small and simple lifting devices are unstable to use and have great potential safety hazards. The device is convenient to use, small in occupied space, time-saving and labor-saving in adjusting the position of the placing box, greatly improves the construction efficiency, is stable in use, and greatly improves the safety.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a building construction lifting device.
Background
The most frequent and most workload in the building construction process is the transportation of materials, a large amount of manpower and material resources are often consumed for transporting building materials to a construction site, and various transportation tools are inevitably required in the transportation process, wherein in the construction of a high-rise building, the building materials need to be transported to the high-rise building from the ground, for example: reinforcing steel bars, prefabricated parts, templates, electromechanical equipment, air pipes and other material equipment. And sometimes some high operations require the worker to be lifted a little bit, which requires a lifting device to assist the construction.
The vertical transportation equipment commonly used in the construction site at present is a material lifting machine. However, most of lifting devices such as the existing material lifting machine are large-scale equipment, the occupied area is large, the use is inconvenient, and small and simple lifting devices are unstable in use and have great potential safety hazards.
Disclosure of Invention
The invention aims to solve the defects that the existing lifting devices are large-scale equipment, large in floor area and inconvenient to use, and small simple lifting devices are unstable to use and have great potential safety hazards.
In order to achieve the purpose, the invention adopts the following technical scheme:
a building construction lifting device comprises a bottom plate, wherein a plurality of guide wheels are fixedly installed at the bottom of the bottom plate, a fixing device is fixedly installed on the left side of the bottom plate, a mounting plate is slidably installed at the top of the bottom plate, a second electric push rod is fixedly installed at the top of the bottom plate, an output shaft of the second electric push rod is fixedly connected with the mounting plate, a vertical plate is fixedly installed at the top of the mounting plate, a placing box is slidably installed on the vertical plate, a first screw rod is rotatably installed on the left side of the vertical plate, a second screw rod is rotatably installed on the left side of the vertical plate, the first screw rod is rotatably connected with the second screw rod, a first mounting box is fixedly installed at the top of the mounting plate, a first driving motor is fixedly installed in the first mounting box, an output shaft of the first driving motor is fixedly connected with the bottom end of the first screw rod, an inlet is formed in the placing box, two sliding grooves are symmetrically formed in the placing box, sliding plates are both slidably installed in the two sliding grooves, equal fixed mounting has the door plant on two slides, places on the case symmetry fixed mounting have two first swash plates, and two spacing grooves have been seted up to the symmetry on the mounting panel, and equal fixed mounting has the second swash plate in two spacing grooves, and the right side slidable mounting of riser has the shielding plate, and the top fixed mounting of riser has adjusting device.
Preferably, the fixing device comprises a first electric push rod, a pressing plate and an inserting rod, the first electric push rod is fixedly installed on the left side of the bottom plate, the pressing plate is fixedly installed at the bottom of the first electric push rod, and the inserting rod is fixedly installed at the bottom of the pressing plate.
Preferably, two first sliding holes are symmetrically formed in the vertical plate, first sliding rods are fixedly mounted in the two first sliding holes, sliding blocks are slidably mounted on the two first sliding rods, the placing box is fixedly mounted on the two sliding blocks, one of the two sliding blocks is in threaded connection with the first screw, and the other sliding block is in threaded connection with the second screw.
Preferably, belt pulleys are fixedly mounted on the first screw rod and the second screw rod, and the two belt pulleys are movably mounted with the same belt.
Preferably, place the case and go up the symmetry and seted up two second sliding holes, equal fixed mounting has the second slide bar in two second sliding holes, and equal slidable mounting has the bracing piece on two second slide bars, and two first swash plates correspond fixed mounting on two bracing pieces.
Preferably, the two second sliding holes are internally and fixedly provided with a pressure spring, and the two pressure springs are correspondingly and fixedly connected with the two support rods.
Preferably, the right side of riser has been seted up the sliding tray, and fixed mounting has the gag lever post in the sliding tray, and slidable mounting has the mounting bracket on the gag lever post, and shielding plate fixed mounting is on the mounting bracket.
Preferably, adjusting device includes the second mounting box, second driving motor, drive shaft and driving plate, and driving plate fixed mounting is on the mounting bracket, and second mounting box fixed mounting is at the top of riser, and second driving motor fixed mounting is in the second mounting box, and the bottom fixed mounting of drive shaft is on second driving motor's output shaft, drive shaft and driving plate threaded connection.
Preferably, two fixing plates are symmetrically and fixedly mounted on the vertical plate, bearings are fixedly mounted on the two fixing plates, and the top ends of the first screw rod and the second screw rod are fixedly connected with the inner rings of the two bearings correspondingly.
Preferably, equal fixed mounting has the connecting rod on two bracing pieces, and two connecting rods correspond fixed connection with two door plants.
Compared with the prior art, the invention has the advantages that:
(1) the scheme is that the device is provided with a bottom plate, a second electric push rod, a vertical plate, a first sliding hole, a first sliding rod, a sliding block, a placing box, a first screw rod, a second screw rod, a belt pulley, a belt, a first driving motor, an inlet, a sliding chute, a sliding plate, a door plate, a second sliding hole, a second sliding rod, a supporting rod, a pressure spring, a connecting rod, a first inclined plate, a limiting groove, a second inclined plate, a first mounting box, a sliding groove, a limiting rod, a mounting frame, a shielding plate, a transmission plate, a second mounting box, a second driving motor, a driving shaft, a fixing plate and a bearing, wherein the first driving motor drives the first screw rod to rotate, the first screw rod drives the second screw rod to rotate, the height of the placing box can be adjusted, the second electric push rod can drive the mounting plate to move, the placing box is convenient to use and time-saving and labor-saving through the horizontal position of the placing box, and the placing box can be effectively shielded through the shielding plate;
(2) this scheme makes things convenient for the removal of whole device through having set up leading wheel, first electric putter, clamp plate, inserted bar, mounting panel to when using, can come fixing device through the inserted bar, ensure the stability of device, great improvement the security of device.
The device is convenient to use, small in occupied space, time-saving and labor-saving in adjusting the position of the placing box, greatly improves the construction efficiency, is stable in use, and greatly improves the safety.
Drawings
FIG. 1 is a schematic structural view of a building construction lifting device provided by the invention;
FIG. 2 is a schematic cross-sectional view of a storage box of the lifting device for building construction according to the present invention;
FIG. 3 is a schematic structural view of a storage box and the like of the building construction lifting device provided by the invention;
FIG. 4 is a schematic structural view of a mounting plate, a limiting groove and a second inclined plate of the building construction lifting device provided by the invention;
fig. 5 is a schematic structural view of a first screw, a second screw and the like of the building construction lifting device provided by the invention;
FIG. 6 is a schematic structural view of part A of the building construction lifting device in FIG. 1;
fig. 7 is a schematic structural diagram of part B of fig. 3 of the building construction lifting device provided by the invention.
In the figure: 1. a base plate; 2. a guide wheel; 3. a first electric push rod; 4. pressing a plate; 5. inserting a rod; 6. mounting a plate; 7. a second electric push rod; 8. a vertical plate; 9. a first slide hole; 10. a first slide bar; 11. a slider; 12. placing a box; 13. a first screw; 14. a second screw; 15. a belt pulley; 16. a belt; 17. a first drive motor; 18. an inlet; 19. a chute; 20. a slide plate; 21. a door panel; 22. a second slide hole; 23. a second slide bar; 24. a support bar; 25. a pressure spring; 26. a connecting rod; 27. a first sloping plate; 28. a limiting groove; 29. a second swash plate; 30. a first mounting box; 31. a sliding groove; 32. a limiting rod; 33. a mounting frame; 34. a shielding plate; 35. a drive plate; 36. a second mounting box; 37. a second drive motor; 38. a drive shaft; 39. a fixing plate; 40. and a bearing.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-7, a building construction lifting device comprises a bottom plate 1, a plurality of guide wheels 2 are fixedly installed at the bottom of the bottom plate 1, a fixing device is fixedly installed at the left side of the bottom plate 1, a mounting plate 6 is slidably installed at the top of the bottom plate 1, a second electric push rod 7 is fixedly installed at the top of the bottom plate 1, an output shaft of the second electric push rod 7 is fixedly connected with the mounting plate 6, a vertical plate 8 is fixedly installed at the top of the mounting plate 6, a placing box 12 is slidably installed on the vertical plate 8, a first screw 13 is rotatably installed at the left side of the vertical plate 8, a second screw 14 is rotatably installed at the left side of the vertical plate 8, the first screw 13 is rotatably connected with the second screw 14, a first mounting box 30 is fixedly installed at the top of the mounting plate 6, a first driving motor 17 is fixedly installed in the first mounting box 30, and an output shaft of the first driving motor 17 is fixedly connected with the bottom end of the first screw 13, place and seted up import 18 on the case 12, place and seted up two spouts 19 on the case 12, equal slidable mounting has slide 20 in two spouts 19, equal fixed mounting has door plant 21 on two slides 20, place on the case 12 symmetry fixed mounting have two first swash plates 27, two spacing grooves 28 have been seted up to the symmetry on the mounting panel 6, equal fixed mounting has second swash plate 29 in two spacing grooves 28, the right side slidable mounting of riser 8 has shielding plate 34, the top fixed mounting of riser 8 has adjusting device.
In this embodiment, the fixing device includes a first electric push rod 3, a pressing plate 4 and an inserting rod 5, the first electric push rod 3 is fixedly installed on the left side of the bottom plate 1, the pressing plate 4 is fixedly installed at the bottom of the first electric push rod 3, and the inserting rod 5 is fixedly installed at the bottom of the pressing plate 4, so that the stability of the whole device can be ensured when the device is used.
In this embodiment, two first sliding holes 9 have been seted up to the symmetry on riser 8, equal fixed mounting has first slide bar 10 in two first sliding holes 9, equal slidable mounting has slider 11 on two first slide bars 10, place case 12 fixed mounting on two sliders 11, one slider 11 and first screw 13 threaded connection in two sliders 11, another slider 11 and second screw 14 threaded connection, can effectual drive place case 12 and remove, adjust the vertical position of placing case 12.
In this embodiment, belt pulleys 15 are fixedly mounted on the first screw 13 and the second screw 14, and the same belt 16 is movably mounted on the two belt pulleys 15, so that the synchronous rotation of the first screw 13 and the second screw 14 is ensured.
In this embodiment, two second sliding holes 22 are symmetrically formed in the placing box 12, second sliding rods 23 are fixedly mounted in the two second sliding holes 22, supporting rods 24 are slidably mounted on the two second sliding rods 23, and the two first inclined plates 27 are correspondingly and fixedly mounted on the two supporting rods 24, so that stable sliding of the two first inclined plates 27 is ensured.
In this embodiment, the two second sliding holes 22 are all fixedly provided with the pressure springs 25 therein, and the two pressure springs 25 correspond to the two support rods 24 and are fixedly connected with each other, so that the two first inclined plates 27 can be reset when no resistance exists.
In this embodiment, sliding tray 31 has been seted up on the right side of riser 8, and fixed mounting has gag lever post 32 in the sliding tray 31, and slidable mounting has mounting bracket 33 on the gag lever post 32, and shielding plate 34 fixed mounting has ensured the stable removal of shielding plate 34 on mounting bracket 33.
In this embodiment, adjusting device includes second mounting box 36, second driving motor 37, drive shaft 38 and driving plate 35, and driving plate 35 fixed mounting is on mounting bracket 33, and second mounting box 36 fixed mounting is at the top of riser 8, and second driving motor 37 fixed mounting is in second mounting box 36, and the bottom fixed mounting of drive shaft 38 is on second driving motor 37's output shaft, and drive shaft 38 and driving plate 35 threaded connection can adjust the position of shielding plate 34.
In this embodiment, two fixing plates 39 are symmetrically and fixedly mounted on the vertical plate 8, bearings 40 are fixedly mounted on the two fixing plates 39, and the top ends of the first screw 13 and the second screw 14 correspond to the inner rings of the two bearings 40 and are fixedly connected, so that smooth rotation of the first screw 13 and the second screw 14 is ensured.
In this embodiment, equal fixed mounting has connecting rod 26 on two bracing pieces 24, and two connecting rods 26 correspond fixed connection with two door plants 21 for two door plants 21 can be driven to remove by two bracing pieces 24's removal.
Example two
Referring to fig. 1-7, a building construction lifting device comprises a bottom plate 1, a plurality of guide wheels 2 are fixedly installed at the bottom of the bottom plate 1 through screws, a fixing device is fixedly installed at the left side of the bottom plate 1 through welding, a mounting plate 6 is slidably installed at the top of the bottom plate 1, a second electric push rod 7 is fixedly installed at the top of the bottom plate 1 through screws, an output shaft of the second electric push rod 7 is fixedly connected with the mounting plate 6, a vertical plate 8 is fixedly installed at the top of the mounting plate 6 through welding, a placing box 12 is slidably installed on the vertical plate 8, a first screw 13 is rotatably installed at the left side of the vertical plate 8, a second screw 14 is rotatably installed at the left side of the vertical plate 8, the first screw 13 is rotatably connected with the second screw 14, a first mounting box 30 is fixedly installed at the top of the mounting plate 6 through welding, a first driving motor 17 is fixedly installed in the first mounting box 30 through screws, the output shaft of first driving motor 17 and the bottom fixed connection of first screw rod 13, place and seted up import 18 on the case 12, place two spouts 19 of having seted up to the symmetry on the case 12, equal slidable mounting has slide 20 in two spouts 19, all there is door plant 21 through welded fastening on two slides 20, place the symmetry and have two first swash plates 27 through welded fastening on the case 12, two spacing grooves 28 have been seted up to the symmetry on the mounting panel 6, all there is second swash plate 29 through welded fastening in two spacing grooves 28, the right side slidable mounting of riser 8 has shielding plate 34, there is adjusting device at the top of riser 8 through welded fastening.
In this embodiment, the fixing device includes a first electric push rod 3, a pressing plate 4 and an inserting rod 5, the first electric push rod 3 is fixedly installed on the left side of the bottom plate 1 through screws, the pressing plate 4 is fixedly installed at the bottom of the first electric push rod 3 through welding, and the inserting rod 5 is fixedly installed at the bottom of the pressing plate 4 through welding, so that the stability of the whole device can be ensured when the device is used.
In this embodiment, two first sliding holes 9 have been seted up to the symmetry on riser 8, all install first slide bar 10 through welded fastening in two first sliding holes 9, all slidable mounting has slider 11 on two first slide bars 10, place case 12 and pass through welded fastening and install on two slider 11, a slider 11 and first screw 13 threaded connection in two slider 11, another slider 11 and 14 threaded connection of second screw, can effectual drive place case 12 and remove, adjust the vertical position of placing case 12.
In this embodiment, belt pulleys 15 are fixedly mounted on the first screw 13 and the second screw 14 by welding, and the same belt 16 is movably mounted on the two belt pulleys 15, so that the synchronous rotation of the first screw 13 and the second screw 14 is ensured.
In this embodiment, two second sliding holes 22 are symmetrically formed in the placing box 12, second sliding rods 23 are respectively fixedly welded in the two second sliding holes 22, supporting rods 24 are respectively slidably mounted on the two second sliding rods 23, and the two first inclined plates 27 are correspondingly fixedly welded on the two supporting rods 24, so that stable sliding of the two first inclined plates 27 is ensured.
In this embodiment, the two second sliding holes 22 are internally provided with the pressure springs 25 through welding and fixing, and the two pressure springs 25 correspond to the two support rods 24 and are fixedly connected with each other, so that the two first inclined plates 27 can be reset when no resistance exists.
In this embodiment, sliding tray 31 has been seted up on riser 8's right side, has gag lever post 32 through welded fastening installation in the sliding tray 31, and slidable mounting has mounting bracket 33 on the gag lever post 32, and shielding plate 34 has ensured shielding plate 34's stable removal through welded fastening installation on mounting bracket 33.
In this embodiment, adjusting device includes second mounting box 36, second driving motor 37, drive shaft 38 and driving plate 35, driving plate 35 passes through welded fastening and installs on mounting bracket 33, second mounting box 36 passes through welded fastening and installs at the top of riser 8, second driving motor 37 passes through screw fixed mounting in second mounting box 36, welded fastening is passed through on second driving motor 37's output shaft in the bottom of drive shaft 38, drive shaft 38 and driving plate 35 threaded connection can adjust the position of shielding plate 34.
In this embodiment, two fixing plates 39 are symmetrically arranged on the vertical plate 8 through welding and fixing, bearings 40 are arranged on the two fixing plates 39 through welding and fixing, and the top ends of the first screw 13 and the second screw 14 correspond to the inner rings of the two bearings 40 and are fixedly connected, so that smooth rotation of the first screw 13 and the second screw 14 is ensured.
In this embodiment, all install connecting rod 26 through welded fastening on two bracing pieces 24, two connecting rods 26 correspond fixed connection with two door plants 21 for two door plants 21 can be driven to remove by two bracing pieces 24's removal.
In the embodiment, when the device is used, the first electric push rod 3, the second electric push rod 7, the first driving motor 17 and the second driving motor 37 are connected to a power supply, the device is moved to a proper position through the plurality of guide wheels 2, the first electric push rod 3 is started, the first electric push rod 3 drives the pressing plate 4 to move, the pressing plate 4 drives the inserting rod 5 to move, the inserting rod 5 is inserted into the ground, the stability of the device is ensured, goods are placed into the placing box 12, the mounting plate 6 can be driven to move through the second electric push rod 7, the mounting plate 6 drives the vertical plate 8 to move, the vertical plate 8 drives the placing box 12 to move, so that the horizontal position of the placing box 12 can be adjusted, the first driving motor 17 is started, the first driving motor 17 drives the first screw 13 to rotate, the first screw 13 drives the second screw 14 to rotate through the two belt pulleys 15 and the belt 16, the first screw 13 and the second screw 13 drive the placing box 12 to move up and down, thereby can go up and down placing case 12, and when placing case 12 and putting down, two first swash plates 27 and two second swash plate 29 cooperations are opened door plant 21, be convenient for place the goods, when rising, under the spring action of two pressure springs 25, two door plant 21 close, ensure the stability of goods, when transporting the destination, the manual work open the door plant can, and when the transportation, can drive shaft 38 through second driving motor 37 and rotate, drive shaft 38 drives mounting bracket 33 through driving plate 35 and removes, thereby can adjust the position of shielding plate 34 and carry out effectual sheltering from placing case 12.
The above description 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 should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (10)
1. A building construction lifting device comprises a bottom plate (1) and is characterized in that a plurality of guide wheels (2) are fixedly mounted at the bottom of the bottom plate (1), a fixing device is fixedly mounted at the left side of the bottom plate (1), a mounting plate (6) is slidably mounted at the top of the bottom plate (1), a second electric push rod (7) is fixedly mounted at the top of the bottom plate (1), an output shaft of the second electric push rod (7) is fixedly connected with the mounting plate (6), a vertical plate (8) is fixedly mounted at the top of the mounting plate (6), a placing box (12) is slidably mounted on the vertical plate (8), a first screw rod (13) is rotatably mounted at the left side of the vertical plate (8), a second screw rod (14) is rotatably mounted at the left side of the vertical plate (8), the first screw rod (13) is rotatably connected with the second screw rod (14), a first mounting box (30) is fixedly mounted at the top of the mounting plate (6), fixed mounting has first driving motor (17) in first mounting box (30), the output shaft of first driving motor (17) and the bottom fixed connection of first screw rod (13), place and seted up import (18) on case (12), place and symmetrical two spout (19) of having seted up on case (12), equal slidable mounting has slide (20) in two spout (19), equal fixed mounting has door plant (21) on two slide (20), place and symmetrical fixed mounting has two first swash plates (27) on case (12), two spacing grooves (28) have been seted up to the symmetry on mounting panel (6), equal fixed mounting has second swash plate (29) in two spacing grooves (28), the right side slidable mounting of riser (8) has shielding plate (34), the top fixed mounting of riser (8) has adjusting device.
2. The building construction lifting device as claimed in claim 1, wherein the fixing device comprises a first electric push rod (3), a pressing plate (4) and an insert rod (5), the first electric push rod (3) is fixedly installed on the left side of the bottom plate (1), the pressing plate (4) is fixedly installed at the bottom of the first electric push rod (3), and the insert rod (5) is fixedly installed at the bottom of the pressing plate (4).
3. The building construction lifting device as claimed in claim 1, wherein two first sliding holes (9) are symmetrically formed in the vertical plate (8), first sliding rods (10) are fixedly installed in the two first sliding holes (9), sliding blocks (11) are slidably installed on the two first sliding rods (10), the placing box (12) is fixedly installed on the two sliding blocks (11), one sliding block (11) of the two sliding blocks (11) is in threaded connection with the first screw (13), and the other sliding block (11) is in threaded connection with the second screw (14).
4. The building construction lifting device as claimed in claim 1, wherein belt pulleys (15) are fixedly mounted on the first screw (13) and the second screw (14), and the same belt (16) is movably mounted on the two belt pulleys (15).
5. The building construction lifting device as claimed in claim 1, wherein the placing box (12) is symmetrically provided with two second sliding holes (22), the two second sliding holes (22) are both fixedly provided with a second sliding rod (23), the two second sliding rods (23) are both slidably provided with supporting rods (24), and the two first inclined plates (27) are correspondingly and fixedly provided on the two supporting rods (24).
6. A building construction lifting device according to claim 5, wherein a pressure spring (25) is fixedly arranged in each of the two second sliding holes (22), and the two pressure springs (25) are correspondingly and fixedly connected with the two support rods (24).
7. The building construction lifting device as claimed in claim 1, wherein a sliding groove (31) is formed in the right side of the vertical plate (8), a limiting rod (32) is fixedly installed in the sliding groove (31), an installation frame (33) is slidably installed on the limiting rod (32), and the shielding plate (34) is fixedly installed on the installation frame (33).
8. A building construction lifting device according to claim 1, wherein the adjusting device comprises a second mounting box (36), a second driving motor (37), a driving shaft (38) and a driving plate (35), the driving plate (35) is fixedly mounted on the mounting frame (33), the second mounting box (36) is fixedly mounted on the top of the vertical plate (8), the second driving motor (37) is fixedly mounted in the second mounting box (36), the bottom end of the driving shaft (38) is fixedly mounted on the output shaft of the second driving motor (37), and the driving shaft (38) is in threaded connection with the driving plate (35).
9. The building construction lifting device as claimed in claim 1, wherein two fixing plates (39) are symmetrically and fixedly mounted on the vertical plate (8), bearings (40) are fixedly mounted on both the two fixing plates (39), and the top ends of the first screw (13) and the second screw (14) are correspondingly and fixedly connected with the inner rings of the two bearings (40).
10. A building construction lifting device according to claim 5, wherein the two support rods (24) are fixedly provided with connecting rods (26), and the two connecting rods (26) are correspondingly and fixedly connected with the two door panels (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431922.8A CN113152908A (en) | 2021-04-21 | 2021-04-21 | Building construction lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431922.8A CN113152908A (en) | 2021-04-21 | 2021-04-21 | Building construction lifting device |
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| CN113152908A true CN113152908A (en) | 2021-07-23 |
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| CN202110431922.8A Pending CN113152908A (en) | 2021-04-21 | 2021-04-21 | Building construction lifting device |
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| CN211058602U (en) * | 2019-07-02 | 2020-07-21 | 上海宝酷工业产品设计有限公司 | High-strength sliding door |
| CN210508438U (en) * | 2019-07-30 | 2020-05-12 | 姚海成 | Novel building engineering platform of unloading |
| CN212024657U (en) * | 2020-04-16 | 2020-11-27 | 秦雨霞 | Liftable support for construction engineering construction |
| CN212271934U (en) * | 2020-04-30 | 2021-01-01 | 黑龙江环宝门窗科技有限公司 | Sliding door and window capable of being opened flexibly |
| CN212766345U (en) * | 2020-07-22 | 2021-03-23 | 中建八局第一建设有限公司 | Hanging material carrying device for building construction |
| CN112519845A (en) * | 2020-12-05 | 2021-03-19 | 重庆工程职业技术学院 | Tool display rack and subway electric maintenance vehicle thereof |
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Application publication date: 20210723 |
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