Hoisting device for laminated slab construction

Abstract

The utility model discloses a hoisting device for laminated slab construction, which belongs to the technical field of laminated slab construction equipment, and comprises a supporting mechanism, a hoisting mechanism, a baffle plate, a discharging mechanism and a double-limiting mechanism, the supporting mechanism comprises a plurality of discharging grooves which are vertically arranged on the side surface of a second surrounding plate of a bottom plate; the number of the lifting mechanisms is four, and the four lifting mechanisms are symmetrically installed in the interval between the two baffles and the first surrounding plate. The unloading mechanism comprises a plurality of push blocks, a first connecting rod, a connecting assembly and a reciprocating motion assembly, the number of the push blocks is consistent with that of the discharging grooves, and the reciprocating motion assembly is installed on the side face of one first surrounding plate; the number of the double-limiting mechanisms is two, each double-limiting mechanism comprises a moving rod, a lifting assembly and a double-limiting assembly, the lifting assemblies are connected with the reciprocating motion assembly, the lifting assemblies are installed in a gap between the baffle and the first surrounding plate, and the double-limiting assemblies are installed on the moving rods. Therefore, manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of laminated slab construction equipment, and particularly discloses a hoisting device for laminated slab construction. Background Technique

[0002] With the rapid development of the construction industry, precast laminated slabs, as a new type of building material, have been widely used due to their advantages such as fast construction, stable quality, environmental protection and energy saving. Laminated slabs need to be hoisted during the building construction process. Traditional hoisting methods mainly rely on manual operation and simple mechanical equipment, which not only have low work efficiency but also pose great safety hazards.

[0003] Traditional laminated slab hoisting methods usually use steel wires or steel cables for fixing and lifting, and operators need to perform heavy physical labor at high altitudes or in narrow construction sites. This method not only has a high labor intensity, but also problems such as the laminated slab slipping and tilting easily occur during the construction process, resulting in unstable hoisting, seriously affecting construction safety and efficiency. In addition, the protection of the laminated slab during hoisting is poor, which easily causes damage to the board, increasing the construction cost; To solve the above problems, in recent years, various new types of laminated slab hoisting devices have emerged. These devices usually integrate a variety of advanced mechanical and control technologies and play an important role in improving hoisting efficiency, ensuring construction safety and protecting laminated slabs.

[0004] The patent with the publication number of CN116513930A discloses a hoisting device for prefabricated laminated slab construction. The technical solution of this patent is: including a lifting support and a hoisting support, a transverse movement component is fixedly installed on the hoisting support, a longitudinal movement component is fixedly installed on the transverse movement component, a telescopic rod is rotatably installed on the longitudinal movement component, an angle adjustment motor is fixedly installed on the telescopic rod, an electromagnet is fixedly connected to the movable end and the power output end of the telescopic rod, a buffer pad is fixedly connected to one end of the electromagnet, and the transverse movement component includes a driving motor 1, a transmission component 1, a lead screw assembly, a transmission wheel and a transverse movement plate. One end of the driving motor 1 is fixedly connected to the hoisting support. However, this invention requires manual operation when unloading the laminated slab. Therefore, a hoisting device for laminated slab construction is invented to address this defect. Content of the Utility Model

[0005] In view of the above technical problems, the technical solution of the utility model is as follows: A hoisting device for laminated slab construction, which includes a lifting mechanism, a baffle, a support mechanism, a discharging mechanism and a double limiting mechanism. The support mechanism includes a bottom plate, and two first enclosing plates and two second enclosing plates are symmetrically and fixedly installed on the upper side of the bottom plate. The two first enclosing plates and the second enclosing plates form a semi-closed space. There are two baffles, and the two baffles are symmetrically and fixedly installed in the semi-closed space formed by the two first enclosing plates and the second enclosing plates. Four support columns are symmetrically and fixedly installed on the lower side of the bottom plate. A plurality of discharge grooves are vertically arranged on the side surface of the second enclosing plate.

[0006] Four groups of lifting mechanisms are provided, and the four groups of lifting mechanisms are symmetrically installed in the interval between the two baffles and the first enclosing plates; the discharging mechanism includes a plurality of pushing blocks, a first connecting rod, a connecting component and a reciprocating motion component. The number of pushing blocks is the same as the number of discharge grooves. Each pushing block is respectively slidably installed on the inner wall of each discharge groove. The plurality of pushing blocks are connected by the connecting component. The connecting component is connected to the first connecting rod, and the first connecting rod is connected to the reciprocating motion component. The reciprocating component is installed on the side surface of one first enclosing plate.

[0007] Two groups of double limiting mechanisms are provided. The double limiting mechanism includes a moving rod, a lifting component and a double limiting component. The moving rod is slidably installed in the interval between the baffle and the first enclosing plate. The moving rod is connected to the lifting component. The lifting component is connected to the reciprocating motion component. The lifting component is installed in the interval between the baffle and the first enclosing plate. The double limiting component is installed on the moving rod.

[0008] Further, the lifting mechanism includes a first fixed shaft, the first fixed shaft is fixedly installed on the bottom plate and is located in the interval between the baffle and the first enclosing plate. A fixed sleeve is fixedly installed on the first fixed shaft, and a lifting ring is fixedly installed on the fixed sleeve.

[0009] Further, the connecting component includes a vertical shaft, the vertical shaft is fixedly connected to all the pushing blocks. An intermediate block is fixedly installed on the side surface of the pushing block. A side block is fixedly installed on the side surface of the intermediate block. The side block is rotatably connected to the first connecting rod. A slider is fixedly installed on the side surface of the first connecting rod.

[0010] Further, a horizontal groove is provided on the side surface of the first enclosing plate. A mounting shaft is fixedly installed on the inner wall of the horizontal groove. The slider is slidably connected to the mounting shaft. The slider is slidably installed on the inner wall of the horizontal groove. A spring is wound around the outer surface of the mounting shaft. One end of the spring is fixedly installed on the outer surface of the mounting shaft, and the other end of the spring is fixedly installed on the side surface of the slider. A driving block is fixedly installed on the upper side of the mounting shaft. A second connecting shaft is rotatably installed on the side surface of the driving block. A second connecting rod is installed on the outer surface of the second connecting shaft. The second connecting rod and the second connecting shaft form a spline fit. A light hole is provided at the end of the second connecting rod away from the second connecting shaft.

[0011] Further, the reciprocating motion assembly includes a second fixed shaft rotatably mounted on the side surface of the first enclosure. A first gear is fixedly mounted on the outer surface of the second fixed shaft. A transmission shaft is rotatably mounted on the side surface of the first enclosure. A second gear is fixedly mounted on the outer surface of the transmission shaft. The first gear meshes with the second gear. A turntable is fixedly mounted on the outer surface of the transmission shaft. A first connecting shaft is fixedly mounted on the side surface of the turntable. A connecting rod is rotatably mounted on the outer surface of the first connecting shaft. A cylindrical protrusion is provided on the side surface of the connecting rod. The diameter of the cylindrical protrusion on the side surface of the connecting rod is equal to the diameter of the light hole of the second connecting rod.

[0012] Further, the length of the cylindrical protrusion on the side surface of the connecting rod is greater than the thickness of the second connecting rod. A section of thread is provided on the outer surface of the cylindrical protrusion on the side surface of the connecting rod. When the end surface of the connecting rod coincides with the end surface of the second connecting rod, the thread on the protruding outer surface of the connecting rod extends out of the light hole of the second connecting rod. A bolt is installed at the thread on the protruding outer surface of the connecting rod.

[0013] Further, the lifting assembly includes an inner shaft rotatably mounted on the side surface of the first enclosure. The inner shaft is fixedly connected to the transmission shaft. A third gear is fixedly mounted on the outer surface of the inner shaft. A rack is slidably mounted on the bottom plate in the vertical direction. The rack meshes with the third gear. The rack is fixedly connected to a moving rod. The moving rod is slidably mounted on the bottom plate in the vertical direction. The two moving rods are connected by a lower rod. An installation hole is provided on the lower rod. A first threaded hole is provided on the bottom plate. The first threaded hole and the installation hole are coaxial. A support plate is fixedly mounted between the two baffles.

[0014] Further, the double limiting assembly includes a displacement rod slidably mounted on the moving rod. A plurality of second threaded holes are arranged at equal intervals in a circular shape on the moving rod. An upper limiting block and a lower limiting block are fixedly mounted on the outer surface of the moving rod. The upper limiting block is located above the lower limiting block. The distance between the lower end surface of the upper limiting block and the upper end surface of the lower limiting block is equal to the width of the discharge chute. A plurality of third threaded holes and a plurality of fourth threaded holes are arranged at equal intervals in a circular shape on the upper limiting block and the lower limiting block. The third threaded hole and the second threaded hole are coaxial. The third threaded hole and the fourth threaded hole are coaxial. A pressing plate is fixedly mounted at the lower end of the displacement rod. The pressing plate is slidably connected to the baffle.

[0015] The beneficial effects of the present utility model compared with the prior art are as follows: (1) The present utility model realizes the fixation of the laminated board during the hoisting process, thereby avoiding dropping; (2) The present utility model realizes the automatic pushing out of the laminated board, thereby saving manpower. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 It is a schematic diagram of the support mechanism structure of the present utility model.

[0018] Figure 3 is Figure 2 The partial enlarged structural schematic diagram of part A in

[0019] Figure 4 is Figure 2 The partial enlarged structural schematic diagram of part B in

[0020] Figure 5 The connection relationship schematic diagram of the support mechanism and the lifting mechanism of the present utility model.

[0021] Figure 6 The structural schematic diagram of the discharging mechanism of the present utility model.

[0022] Figure 7 is Figure 6 The partial enlarged structural schematic diagram of part C in

[0023] Figure 8 is Figure 6 The partial enlarged structural schematic diagram of part D in

[0024] Figure 9 The structural schematic diagram of the double limit mechanism of the present utility model.

[0025] Reference numerals: 1 - support mechanism; 2 - lifting mechanism; 3 - baffle; 4 - discharging mechanism; 5 - double limit mechanism; 101 - bottom plate; 102 - first enclosing plate; 103 - second enclosing plate; 104 - support column; 105 - discharge chute; 201 - first fixed shaft; 202 - fixed sleeve; 203 - lifting ring; 401 - first gear; 402 - second fixed shaft; 403 - rotating rod; 404 - handle; 405 - second gear; 406 - transmission shaft; 407 - turntable; 408 - first connecting shaft; 409 - connecting rod; 410 - second connecting shaft; 411 - driving block; 412 - first connecting rod; 413 - horizontal groove; 414 - mounting shaft; 415 - spring; 416 - slider; 417 - pushing block; 418 - vertical shaft; 419 - side block; 420 - middle block; 421 - second connecting rod; 501 - moving rod; 502 - displacement rod; 503 - internal shaft; 504 - third gear; 505 - rack; 506 - upper limit block; 507 - lower limit block; 508 - bolt; 509 - pressing plate; 510 - supporting plate; 511 - lower rod; 512 - mounting hole. Detailed implementation manners

[0026] The technical solutions of the present utility model will be further described below in conjunction with and through specific implementation manners.

[0027] Among them, the attached drawings are only for illustrative purposes, showing only schematic diagrams rather than physical drawings, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present utility model, some components in the attached drawings will be omitted, enlarged or reduced, which does not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted.

[0028] As shown in the attached Figure 1 ~attached Figure 7 drawings, the support mechanism 1 includes a bottom plate 101. On the upper side of the bottom plate 101, two first enclosing plates 102 and two second enclosing plates 103 are symmetrically and fixedly installed. The two first enclosing plates 102 and the second enclosing plates 103 form a semi-closed space. There are two baffles 3, and the two baffles 3 are symmetrically and fixedly installed in the semi-closed space formed by the two first enclosing plates 102 and the second enclosing plates 103. There are four sets of lifting mechanisms 2, and the four sets of lifting mechanisms 2 are symmetrically installed in the interval between the two baffles 3 and the first enclosing plates 102. On the lower side of the bottom plate 101, four support columns 104 are symmetrically and fixedly installed. On the side of the second enclosing plate 103, a plurality of discharge grooves 105 are vertically arranged. The lifting mechanism 2 includes a first fixed shaft 201. The first fixed shaft 201 is fixedly installed on the bottom plate 101 and is located in the interval between the baffle 3 and the first enclosing plate 102. A fixed sleeve 202 is fixedly installed on the first fixed shaft 201, and a lifting ring 203 is fixedly installed on the fixed sleeve 202. On the side of the second enclosing plate 103 without the push block 417, there is a chute, and a sliding door is installed in the chute on the side of the second enclosing plate 103 without the push block 417. An electromagnet is fixedly installed on the side of the first enclosing plate 102.

[0029] As shown in the attached Figure 3 ~attached Figure 6As shown, the unloading mechanism 4 includes a plurality of second fixed shafts 402, first connecting rods 412, pushing blocks 417 and vertical shafts 418. The number of pushing blocks 417 is the same as the number of discharge chutes 105. Each pushing block 417 is slidably installed on the inner wall of each discharge chute 105. The vertical shaft 418 is fixedly connected to all the pushing blocks 417. An intermediate block 420 is fixedly installed on the side of the pushing block 417. A side block 419 is fixedly installed on the side of the intermediate block 420. The side block 419 is rotatably connected to the first connecting rod 412. A slider 416 is fixedly installed on the side of the first connecting rod 412. A horizontal groove 413 is provided on the side of the first enclosing plate 102. A mounting shaft 414 is fixedly installed on the inner wall of the horizontal groove 413. The slider 416 is slidably connected to the mounting shaft 414. The slider 416 is slidably installed on the inner wall of the horizontal groove 413. A spring 415 is wound around the outer surface of the mounting shaft 414. One end of the spring 415 is fixedly installed on the outer surface of the mounting shaft 414, and the other end of the spring 415 is fixedly installed on the side of the slider 416. A driving block 411 is fixedly installed above the mounting shaft 414. A second connecting shaft 410 is rotatably installed on the side of the driving block 411. A second connecting rod 421 is installed on the outer surface of the second connecting shaft 410. The second connecting rod 421 and the second connecting shaft 410 form a spline fit. A light hole is provided at one end of the second connecting rod 421 away from the second connecting shaft 410.

[0030] As shown in the attached Figure 3 ~attached Figure 8 As shown, the second fixed shaft 402 is rotatably installed on the side of the first enclosing plate 102. A rotating rod 403 is fixedly installed on the outer surface of the second fixed shaft 402. A handle 404 is fixedly installed on the side of the rotating rod 403. A first gear 401 is fixedly installed on the outer surface of the second fixed shaft 402. A transmission shaft 406 is rotatably installed on the side of the first enclosing plate 102. A second gear 405 is fixedly installed on the outer surface of the transmission shaft 406. The first gear 401 meshes with the second gear 405. A turntable 407 is fixedly installed on the outer surface of the transmission shaft 406. A first connecting shaft 408 is fixedly installed on the side of the turntable 407. A connecting rod 409 is rotatably installed on the outer surface of the first connecting shaft 408. A cylindrical protrusion is provided on the side of the connecting rod 409. The diameter of the cylindrical protrusion on the side of the connecting rod 409 is equal to the diameter of the light hole of the second connecting rod 421. The length of the cylindrical protrusion on the side of the connecting rod 409 is greater than the thickness of the second connecting rod 421. A section of thread is provided on the outer surface of the cylindrical protrusion on the side of the connecting rod 409. When the end face of the connecting rod 409 coincides with the end face of the second connecting rod 421, the thread on the protruding outer surface of the connecting rod 409 extends out of the light hole of the second connecting rod 421. A bolt is installed at the threaded part on the protruding outer surface of the connecting rod 409.

[0031] As shown in the attached Figure 4 ~attached Figure 9As shown in the figure, there are two sets of double limit mechanisms 5. The double limit mechanism 5 includes a moving rod 501, a displacement rod 502 and an internal shaft 503. The moving rod 501 is slidably installed in the space between the baffle 3 and the first enclosure plate 102. The internal shaft 503 is rotatably installed on the side of the first enclosure plate 102. The internal shaft 503 is fixedly connected to the transmission shaft 406. A third gear 504 is fixedly installed on the outer surface of the internal shaft 503. A rack 505 is slidably installed on the bottom plate 101 and the sliding direction is vertical. The rack 505 meshes with the third gear 504. The rack 505 is fixedly connected to the moving rod 501. The moving rod 501 is slidably installed on the bottom plate 101 and the sliding direction is vertical. The two moving rods 501 are connected by a lower rod 511. An installation hole 512 is provided on the lower rod 511. A first threaded hole is provided on the bottom plate 101. The first threaded hole and the installation hole 512 are coaxial. A support plate 510 is fixedly installed between the two baffles 3. The displacement rod 502 is slidably installed on the moving rod 501. A plurality of second threaded holes are arranged at equal intervals in a circular shape on the moving rod 501. An upper limit block 506 and a lower limit block 507 are fixedly installed on the outer surface of the moving rod 501. The upper limit block 506 is located above the lower limit block 507. The distance between the lower end surface of the upper limit block 506 and the upper end surface of the lower limit block 507 is equal to the width of the discharge chute 105. A plurality of third threaded holes and a plurality of fourth threaded holes are arranged at equal intervals in a circular shape on the upper limit block 506 and the lower limit block 507. The third threaded holes and the second threaded holes are coaxial. The third threaded holes and the fourth threaded holes are coaxial. A pressing plate 509 is fixedly installed at the lower end of the displacement rod 502. The pressing plate 509 is slidably connected to the baffle 3.

[0032] The working principle of the present utility model is as follows.

[0033] (1) After removing the bolt installed on the protrusion of the connecting rod 409, remove the connecting rod 409 from the first connecting shaft 408 and the second connecting rod 421. Then drive the rotating rod 403 to rotate through the handle 404. The rotating rod 403 drives the first gear 401 to rotate through the second fixed shaft 402. The first gear 401 drives the transmission shaft 406 to rotate through the second gear 405. The transmission shaft 406 drives the third gear 504 to rotate through the internal shaft 503. The third gear 504 drives the rack 505 to slide along the bottom plate 101. The rack 505 drives the moving rod 501 to slide along the bottom plate 101. When the moving rod 501 contacts the upper limit block 506, connect the upper limit block 506 and the moving rod 501 with the bolt 508. Then drive the displacement rod 502 to rise through the moving rod 501. The displacement rod 502 drives the pressing plate 509 to rise. When the distance between the lower end surface of the pressing plate 509 and the upper end surface of the support plate 510 reaches twice the width of the discharge chute 105, open the sliding door and continuously put the laminated board into the support plate 510 through the discharge chute 105.

[0034] (2) After placing the laminated slab, remove the bolt 508, and then rotate the handle 404 in the reverse direction. Stop rotating the handle 404 when the moving rod 501 contacts the lower limit block 507. At this time, the pressing plate 509 contacts the laminated slab. Then stop rotating the handle 404. Connect the moving rod 501 and the lower limit block 507 with the bolt 508. Then install the lower rod 511 in the first threaded hole with bolts, and move the sliding door to close the discharge chute 105. Then start the electromagnet to fix the first gear 401 with the electromagnet.

[0035] (3) Connect the lifting rings 203 with steel wire ropes, and lift the laminated slab to other places through the fixing sleeve 202. After transporting it to the ground, remove the bolts on the lower rod 511, open the sliding door, and install the connecting rod 409 on the first connecting shaft 408 and the second connecting rod 421. Then install the connecting rod 409 on the second connecting rod 421 with bolts. Then rotate the handle 404. When the second gear 405 rotates, drive the first connecting shaft 408 to move through the turntable 407. The first connecting shaft 408 drives the second connecting rod 421 to move through the connecting rod 409. The second connecting rod 421 drives the slider 416 to slide along the outer surface of the mounting shaft 414 through the driving block 411, thereby driving the first connecting rod 412 to move. The first connecting rod 412 drives the middle block 420 to move through the side block 419. The middle block 420 drives the pushing block 417 to slide along the discharge chute 105 to push out the laminated slab.

[0036] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A hoisting device for the construction of laminated slabs, comprising a hoisting mechanism (2) and a baffle (3), characterized in that: The hoisting device for the construction of laminated plates further includes a support mechanism (1), a discharging mechanism (4), and a double limiting mechanism (5). The support mechanism (1) includes a bottom plate (101). On the upper side of the bottom plate (101), two first enclosing plates (102) and two second enclosing plates (103) are symmetrically and fixedly installed. The two first enclosing plates (102) and the second enclosing plates (103) form a semi-closed space. There are two baffles (3), and the two baffles (3) are symmetrically and fixedly installed in the semi-closed space formed by the two first enclosing plates (102) and the second enclosing plates (103). On the lower side of the bottom plate (101), four support columns (104) are symmetrically and fixedly installed. On the side of the second enclosing plate (103), a plurality of discharge slots (105) are vertically arranged. There are four groups of hoisting mechanisms (2), and the four groups of hoisting mechanisms (2) are symmetrically installed in the space between the two baffles (3) and the first enclosing plate (102). The discharging mechanism (4) includes a plurality of pushing blocks (417), a first connecting rod (412), a connecting component, and a reciprocating motion component. The number of pushing blocks (417) is the same as the number of discharge slots (105). Each pushing block (417) is respectively slidably installed on the inner wall of each discharge slot (105). The plurality of pushing blocks (417) are connected by the connecting component. The connecting component is connected to the first connecting rod (412), and the first connecting rod (412) is connected to the reciprocating motion component. The reciprocating component is installed on the side of one first enclosing plate (102). There are two groups of double limiting mechanisms (5). The double limiting mechanism (5) includes a moving rod (501), a lifting component, and a double limiting component. The moving rod (501) is slidably installed in the space between the baffle (3) and the first enclosing plate (102). The moving rod (501) is connected to the lifting component. The lifting component is connected to the reciprocating motion component. The lifting component is installed in the space between the baffle (3) and the first enclosing plate (102). The double limiting component is installed on the moving rod (501).

2. The hoisting device for the construction of the laminated slab according to claim 1, characterized in that: The hoisting mechanism (2) includes a first fixed shaft (201). The first fixed shaft (201) is fixedly installed on the bottom plate (101) and is located in the space between the baffle (3) and the first enclosing plate (102). A fixed sleeve (202) is fixedly installed on the first fixed shaft (201), and a lifting ring (203) is fixedly installed on the fixed sleeve (202).

3. A hoisting device for the construction of laminated plates according to claim 1, characterized in that: The connecting component includes a vertical shaft (418). The vertical shaft (418) is fixedly connected to all the pushing blocks (417). An intermediate block (420) is fixedly installed on the side of the pushing block (417). A side block (419) is fixedly installed on the side of the intermediate block (420). The side block (419) is rotatably connected to the first connecting rod (412). A slider (416) is fixedly installed on the side of the first connecting rod (412).

4. A hoisting device for the construction of laminated plates according to claim 3, characterized in that: A horizontal groove (413) is provided on the side of the first enclosing plate (102). An installation shaft (414) is fixedly installed on the inner wall of the horizontal groove (413). A slider (416) is slidably connected to the installation shaft (414). The slider (416) is slidably installed on the inner wall of the horizontal groove (413). A spring (415) is wound around the outer surface of the installation shaft (414). One end of the spring (415) is fixedly installed on the outer surface of the installation shaft (414), and the other end of the spring (415) is fixedly installed on the side of the slider (416). A driving block (411) is fixedly installed above the installation shaft (414). A second connecting shaft (410) is rotatably installed on the side of the driving block (411). A second connecting rod (421) is installed on the outer surface of the second connecting shaft (410). The second connecting rod (421) and the second connecting shaft (410) form a spline fit. A light hole is provided at one end of the second connecting rod (421) away from the second connecting shaft (410).

5. A hoisting device for the construction of laminated slabs according to claim 4, characterized in that: The reciprocating motion assembly includes a second fixed shaft (402). The second fixed shaft (402) is rotatably installed on the side of the first enclosing plate (102). A first gear (401) is fixedly installed on the outer surface of the second fixed shaft (402). A transmission shaft (406) is rotatably installed on the side of the first enclosing plate (102). A second gear (405) is fixedly installed on the outer surface of the transmission shaft (406). The first gear (401) meshes with the second gear (405). A turntable (407) is fixedly installed on the outer surface of the transmission shaft (406). A first connecting shaft (408) is fixedly installed on the side of the turntable (407). A connecting rod (409) is rotatably installed on the outer surface of the first connecting shaft (408). A cylindrical protrusion is provided on the side of the connecting rod (409). The diameter of the cylindrical protrusion on the side of the connecting rod (409) is equal to the diameter of the light hole of the second connecting rod (421).

6. The hoisting device for the construction of laminated slabs according to claim 5, characterized in that: The length of the cylindrical protrusion on the side of the connecting rod (409) is greater than the thickness of the second connecting rod (421). A section of thread is provided on the outer surface of the cylindrical protrusion on the side of the connecting rod (409). When the end face of the connecting rod (409) coincides with the end face of the second connecting rod (421), the thread on the protrusion on the outer surface of the connecting rod (409) extends out of the light hole of the second connecting rod (421). A bolt is installed at the thread on the protrusion on the outer surface of the connecting rod (409).

7. A hoisting device for the construction of laminated plates according to claim 5, characterized in that: The lifting assembly includes an inner shaft (503) rotatably mounted on the side of the first enclosing plate (102). The inner shaft (503) is fixedly connected to the transmission shaft (406). A third gear (504) is fixedly mounted on the outer surface of the inner shaft (503). A rack (505) is slidably mounted on the bottom plate (101) in the vertical direction. The rack (505) meshes with the third gear (504). The rack (505) is fixedly connected to the moving rod (501). The moving rod (501) is slidably mounted on the bottom plate (101) in the vertical direction. The two moving rods (501) are connected by a lower rod (511). An installation hole (512) is provided on the lower rod (511). A first threaded hole is provided on the bottom plate (101). The first threaded hole and the installation hole (512) are coaxial. A support plate (510) is fixedly mounted between the two baffle plates (3).

8. A hoisting device for the construction of laminated slabs according to claim 7, characterized in that: The double limit assembly includes a displacement rod (502) slidably mounted on the moving rod (501). A plurality of second threaded holes are provided on the moving rod (501) at equal intervals in a circumferential shape. An upper limit block (506) and a lower limit block (507) are fixedly mounted on the outer surface of the moving rod (501). The upper limit block (506) is located above the lower limit block (507). The distance between the lower end face of the upper limit block (506) and the upper end face of the lower limit block (507) is equal to the width of the discharge chute (105). A plurality of third threaded holes and a plurality of fourth threaded holes are provided on the upper limit block (506) and the lower limit block (507) at equal intervals in a circumferential shape. The third threaded holes and the second threaded holes are coaxial. The third threaded holes and the fourth threaded holes are coaxial. A pressing plate (509) is fixedly mounted at the lower end of the displacement rod (502). The pressing plate (509) is slidably connected to the baffle plate (3).

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