Material hoisting equipment for constructional engineering

Abstract

The invention relates to the technical field of hoisting equipment, and discloses material hoisting equipment for constructional engineering, the material hoisting equipment comprises two fixing frames, an outer support, a winch and a cage, the two fixing frames are symmetrically mounted on a building platform, the outer support is hinged to the fixing frames, and a first steel rope on the winch winds around the outer support to hoist the cage; after the winch lifts the lifting cage to the platform where the fixing frame is located through the first steel rope, the first steel rope pulls the outer support to rotate, so that the lifting cage is transferred to the platform, and through structural innovation and safety design, the operation problem of traditional lifting equipment in a space limited scene is effectively solved; the lifting cage is more suitable for material lifting operation after a main body structure of a low-rise building is completed, the lifting cage is vertically lifted to the height of the platform firstly through winding of the first steel rope, then the outer support is pulled to rotate, the lifting cage is stably transferred to the platform, and the construction efficiency and safety are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hoisting equipment, and specifically refers to a material hoisting equipment for construction projects. Background Art

[0002] During the construction process of construction projects, the hoisting and transportation of materials is an extremely crucial link. Currently, the commonly used hoisting equipment includes tower cranes, cranes, elevators, gin poles, winches, chain hoists, etc. Among them, tower cranes and elevators are used for hoisting operations in high-rise buildings, cranes, gin poles, and winches are suitable for hoisting operations in mid-low-rise buildings, and gin poles and chain hoists are suitable for material transfer operations in narrow sites.

[0003] In the hoisting operation environment of low-rise buildings and limited space fixed-point hoisting, such as low-rise villas, shopping mall buildings, single-family low-rise office buildings, exhibition buildings, etc., after the construction of the main concrete structure or steel structure is completed, partition wall construction and subsequent decoration construction are required. At this time, materials above the second floor are generally hoisted through relatively narrow channels such as balcony channels. The hoisting equipment uses a crane or a gin pole for operation. Using a crane will increase the equipment rental cost and has relatively high technical requirements for operators, which to a certain extent affects the construction efficiency. Although the gin pole has a simple structure and operation, it is difficult to horizontally transfer the lifted material to the platform, and it is necessary to manually transfer the material in a suspended state to the platform, which increases the risk of construction workers falling. Existing rotary hoisting equipment can solve this problem, but in a space-limited environment, such as when hoisting materials in a balcony channel, due to the limitation of the rotation radius, it cannot meet the rotation space requirements in a relatively narrow environment. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the above difficulties and provide a material hoisting equipment for construction projects.

[0005] To solve the above technical problem, the technical solution provided by the present invention is: a material hoisting equipment for construction projects, including a fixed frame, an outer support, a winch, and a cage. A vertical frame is provided on the fixed frame, and a first guiding wheel is rotatably provided on the vertical frame. Two crossbeams are provided on the vertical frame. The outer support includes two displacement rods hinged on the fixed frame. A displacement rotating rod is rotatably provided at the end of the displacement rod, and a fixed rotating rod is connected to the middle section of the displacement rod. A third guiding wheel and a fourth guiding wheel are respectively provided on the displacement rotating rod and the fixed rotating rod. The cage includes a top plate, and a first wire groove wheel is rotatably provided on the top of the top plate. The winch includes a first wire winding drum, and a first steel wire rope is wound around the first wire winding drum. The first steel wire rope sequentially passes around the first guiding wheel, the third guiding wheel, the first wire groove wheel, and the fourth guiding wheel and then is connected to the crossbeam. After the winch lifts the cage to the platform where the fixed frame is located through the first steel wire rope, the first steel wire rope pulls the outer support to rotate, so that the cage is transferred to the platform.

[0006] As an improvement: An end platform is provided at the end of the displacement rod, an adjustment platform is movably arranged on the end platform, a displacement rotating rod is rotatably arranged on the two adjustment platforms, a wire pressing wheel for pressing the first steel rope on the third guide wheel is rotatably arranged on the adjustment platform, a braking mechanism is arranged inside the adjustment platform, and when the cage is overweight or the upward acceleration of the cage is too high, the braking mechanism restricts the rotation of the displacement rotating rod and restricts the upward movement of the cage.

[0007] As an improvement: The braking mechanism includes a fixed rod inside the end platform and a first friction wheel on the displacement rotating rod. A first braking plate cooperating with the first friction wheel is provided at the end of the fixed rod. A sliding platform is provided on the outer side of the adjustment platform and a braking cavity is provided on the inner side. The sliding platform is slidably arranged in the inner groove of the end platform. The fixed rod passes through the inner through hole of the sliding platform. The first braking plate and the first friction wheel are located in the braking cavity with a gap. A first spring connecting the sliding platform to the end platform is provided at the bottom of the sliding platform.

[0008] As an improvement: A limiting rotating rod is rotatably arranged between the two end platforms, a limiting frame is provided at the top of the top plate, and a clamping groove cooperating with the limiting rotating rod is provided on the limiting frame.

[0009] As an improvement: The hoist also includes a fixing plate, a motor, a gearbox, a driving shaft and a second wire winding cylinder. The motor and the gearbox are installed on the fixing plate. The first wire winding cylinder and the second wire winding cylinder are rotatably arranged on the fixing plate. The motor drives the driving shaft to rotate through the internal gear set of the gearbox. The driving shaft drives the first wire winding cylinder to rotate. An extension shaft passing through the inner through hole of the second wire winding cylinder is provided at one end of the driving shaft. A transmission mechanism is provided at one end of the second wire winding cylinder, and the transmission mechanism realizes the power connection between the extension shaft and the second wire winding cylinder. A second steel rope is wound on the second wire winding cylinder, and the second steel rope assists in pulling the displacement rod to rotate.

[0010] As an improvement: The transmission mechanism includes a turntable at the end of the extension shaft and a turntable rotatably arranged on one side of the turntable. A plurality of radially arranged sliding grooves are uniformly provided on the outer side of the turntable. Plug blocks are slidably arranged in the sliding grooves. A slot cooperating with the plug blocks is provided at the inner through hole at one end of the second wire winding cylinder. An arc-shaped platform is provided on the outer side of the plug block, and a spiral groove slidably cooperating with the arc-shaped platform is provided on the inner side of the turntable.

[0011] As an improvement: A second friction wheel is provided on the outer side of the turntable. A braking rod is hinged on the fixing plate, a second braking plate is provided at the end of the braking rod, and a second spring is connected between the braking rod and the fixing plate.

[0012] As an improvement: A damper is provided on the fixed frame, a push plate is hinged to the working end of the damper, and the push plate contacts the displacement rod when it is erected.

[0013] As an improvement: A material pressing plate and a load-carrying plate are provided below the top plate. Columns are provided at the corners of the load-carrying plate. A second wire groove wheel is rotatably arranged in the internal cavity of the column. Pulling ropes are provided at the bottom corners of the top plate. The pulling ropes pass through the through holes on the columns and bypass the second wire groove wheels and then are connected to the material pressing plate. A third spring is connected between the column and the material pressing plate. A limiting column cooperating with the material pressing plate is provided at the top of the column.

[0014] The beneficial effects of the present invention compared with the prior art are as follows: Through structural innovation and safety design, the present invention effectively solves the operation problems of traditional hoisting equipment in scenarios with limited space, and is more suitable for the material hoisting operation after the completion of the main structure of low-rise buildings, improving the construction efficiency and safety. Specifically: 1. By winding the first steel rope, the cage is first vertically lifted to the platform height, and then the outer support is pulled to rotate, so that the cage is smoothly transferred to the platform. It does not rely on equipment such as cranes, reduces the rental cost, and simplifies the operation process, improving the construction efficiency; 2. When the cage is overweight or the upward acceleration is too high, the braking mechanism pushes the adjustment table to move through the steel rope tension, so that the brake plate fits with the friction wheel, restricts the rotation of the displacement rotating rod, and prevents the cage from continuing to rise, avoiding safety accidents and reducing the risk of casualties and property losses; 3. The hinged design of the outer support makes its rotation radius small, which is suitable for narrow spaces such as balconies, solves the problem that traditional rotary hoisting equipment cannot be used in environments with limited space, expands the application scenarios of the equipment, and eliminates the need for manual transfer of suspended materials, reducing the risk of falling of construction workers during high-altitude operations; 4. The winch realizes the time-sharing operation of the first winding drum and the second winding drum through the transmission mechanism. When vertically lifting, the first winding drum operates independently, and when horizontally transferring, the second winding drum assists in pulling the outer support, with precise power output, improving the operation efficiency and safety; 5. The pressing plate in the cage cooperates with the pull rope and the spring to automatically press the material during the lifting process to prevent shaking and scattering; the column and the limit column limit the downward movement distance of the pressing plate to avoid excessive extrusion of the material and ensure the integrity of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the structural schematic diagram of the present invention Figure 1 。

[0016] Figure 2 is the structural schematic diagram of the present invention Figure 2 。

[0017] Figure 3 is the structural schematic diagram of the fixing frame of the present invention.

[0018] Figure 4 is the structural schematic diagram of the outer support and the winch of the present invention.

[0019] Figure 5 is the structural schematic diagram of the outer support of the present invention.

[0020] Figure 6 is the partial exploded view of the outer support of the present invention.

[0021] Figure 7 is the partial cross-sectional view of the outer support of the present invention.

[0022] Figure 8 It is a schematic structural diagram of the winch of the present invention.

[0023] Figure 9 It is an exploded view of the hoisting structure of the winch of the present invention.

[0024] Figure 10 It is the explosion of the transmission mechanism of the present invention Figure 1 .

[0025] Figure 11 It is the explosion of the transmission mechanism of the present invention Figure 2 .

[0026] Figure 12 It is a schematic structural diagram of the suspension cage of the present invention.

[0027] Figure 13 It is an exploded view of the suspension cage of the present invention.

[0028] As shown in the figure: 1. Fixed frame; 2. Outer support; 3. Winch; 4. Suspension cage; 5. First steel rope; 6. Second steel rope; 7. Third steel rope; 11. Support plate; 12. Limit plate; 13. Vertical frame; 14. First guide wheel; 15. Second guide wheel; 16. Cross beam; 17. Damper; 18. Pushing plate; 21. Displacement rod; 22. End platform; 221. Fixed rod; 222. First brake plate; 223. First spring; 23. Adjusting platform; 231. Wire pressing wheel; 232. Sliding platform; 233. Brake cavity; 24. Displacement rotating rod; 241. Third guide wheel; 242. First friction wheel; 25. Fixed rotating rod; 251. Fourth guide wheel; 26. Limit rotating rod; 31. Fixed plate; 32. Motor; 33. Gearbox; 34. Driving shaft; 341. Extension shaft; 35. First wire winding drum; 36. Second wire winding drum; 361. Slot; 37. Transmission mechanism; 371. Turntable; 372. Chute; 373. Insert block; 374. Arc-shaped platform; 375. Turntable; 376. Spiral groove; 377. Second friction wheel; 38. Brake rod; 381. Second brake plate; 382. Second spring; 41. Top plate; 411. First wire groove wheel; 412. Limit frame; 413. Card slot; 42. Loading plate; 421. Column; 422. Limit column; 43. Pressing plate; 44. Pulling rope; 45. Second wire groove wheel; 46. Third spring; 71. Movable pulley. Detailed implementation manners

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Combined with the attached Figure 1 and the attached Figure 2As shown in the figure, a material hoisting device for construction engineering includes a fixed frame 1, an outer support 2, a winch 3, and a cage 4. Two fixed frames 1 are symmetrically installed on the construction platform. The outer support 2 is hinged to the fixed frame 1. The first steel rope 5 on the winch 3 passes around the outer support 2 to lift the cage 4. After the winch 3 lifts the cage 4 to the platform where the fixed frame 1 is located through the first steel rope 5, the first steel rope 5 pulls the outer support 2 to rotate, so that the cage 4 is transferred to the platform.

[0031] Combined with the attached Figure 3 , attached Figure 4 and attached Figure 12 As shown in the figure, a vertical frame 13 is provided on the fixed frame 1. A first guide wheel 14 is rotatably provided on the vertical frame 13. Two cross beams 16 are provided on the vertical frame 13. The outer support 2 includes two displacement rods 21 hinged to the fixed frame 1. A displacement rotating rod 24 is rotatably provided at the end of the displacement rod 21. A fixed rotating rod 25 is connected to the middle section of the displacement rod 21. A third guide wheel 241 and a fourth guide wheel 251 are respectively provided on the displacement rotating rod 24 and the fixed rotating rod 25. The cage 4 includes a top plate 41. A first wire groove wheel 411 is rotatably provided at the top of the top plate 41. The winch 3 includes a first winding drum 35. The first steel rope 5 is wound around the first winding drum 35. The first steel rope 5 successively passes around the first guide wheel 14, the third guide wheel 241, the first wire groove wheel 411, and the fourth guide wheel 251 and then is connected to the cross beam 16. A damper 17 is provided on the fixed frame 1. A push plate 18 is hinged to the working end of the damper 17. The push plate 18 contacts the displacement rod 21 in the vertical position. A support plate 11 and a limit plate 12 are provided on the fixed frame 1. The support plate 11 supports the displacement rod 21 in the initial position, and the limit plate 12 limits the displacement rod 21 after rotation.

[0032] In the construction scenario, there are dual requirements for material hoisting, namely vertical lifting and horizontal transfer to the platform. Traditional equipment may be difficult to meet due to complex structure, inconvenient operation, or insufficient safety. This equipment solves the problem of lifting materials from a low place to the platform and accurately transferring them through the structural adjustment and coordinated operation of the fixed frame 1, the outer support 2, the winch 3, and the cage 4, improving construction efficiency and safety.

[0033] After the equipment starts, the wire reel 35 of the hoist 3 begins to wind the first steel rope 5. The first steel rope 5 successively bypasses the first guide pulley 14 on the vertical frame 13 of the fixed frame 1, the third guide pulley 241 on the displacement rotating rod 24 of the outer support 2, the first wire groove pulley 411 on the top plate 41 of the cage 4, and the fourth guide pulley 251 on the fixed rotating rod 25 of the outer support 2, and finally connects to the cross beam 16 of the vertical frame 13 to form a closed-loop traction system. During the process of tightening the first steel rope 5, the cage 4 is vertically lifted. When the bottom of the cage 4 reaches the height of the platform where the fixed frame is located, the hoist 3 continues to wind the first steel rope 5. At this time, the tension of the first steel rope 5 will pull the displacement rod 21 of the outer support 2. Since the displacement rod 21 is hinged on the fixed frame 1, it starts to rotate around the hinge point under the action of the tension. When the displacement rod 21 rotates to the vertical state, the push plate 18 of the damper 17 contacts the displacement rod 21 to buffer the rotational impact force. During the continuous rotation of the displacement rod 21, the damper 17 exerts a thrust on the displacement rod 21 through the push plate 18 to prevent the cage 4 from quickly falling onto the platform. When the displacement rod 21 rotates to the position of the limit plate 12, it is limited, and at this time, the cage has been transferred from the suspended state to the platform, completing the whole process of material transfer from hoisting to the platform.

[0034] Combined with the attached Figure 2 and the attached Figure 5 As shown, an end platform 22 is provided at the end of the displacement rod 21. An adjustment platform 23 is movably provided on the end platform 22. The displacement rotating rod 24 is rotatably arranged on the two adjustment platforms 23. A wire pressing wheel 231 that presses the first steel rope 5 on the third guide pulley 241 is rotatably arranged on the adjustment platform 23. A braking mechanism is provided inside the adjustment platform 23. When the cage 4 is overweight or the upward acceleration of the cage 4 is too high, the braking mechanism restricts the rotation of the displacement rotating rod 24 and restricts the upward movement of the cage 4.

[0035] Combined with the attached Figure 5 、the attached Figure 6 and the attached Figure 7 As shown, the braking mechanism includes a fixed rod 221 inside the end platform 22 and a first friction wheel 242 on the displacement rotating rod 24. A first braking plate 222 that cooperates with the first friction wheel 242 is provided at the end of the fixed rod 221. A sliding platform 232 is provided on the outside of the adjustment platform 23, and a braking cavity 233 is provided inside. The sliding platform 232 is slidably arranged in the inner groove of the end platform 22. The fixed rod 221 passes through the inner through hole of the sliding platform 232. The first braking plate 222 and the first friction wheel 242 are located in the braking cavity 233 with a gap. A first spring 223 connecting the sliding platform 232 to the end platform 2 is provided at the bottom of the sliding platform 232.

[0036] Combined with the attached Figure 5 and the attached Figure 12 As shown, a limit rotating rod 26 is rotatably arranged between the two end platforms 22. A limit frame 412 is provided at the top of the top plate 41. A card slot 413 that cooperates with the limit rotating rod 26 is provided on the limit frame 412.

[0037] Since the displacement rod 21 is designed to be hinged, there will be more stringent restrictions on the lifting weight. To avoid damage to the outer support 2 during lifting, a braking mechanism for the overweight and overspeed of the lifting cage 4 is added to the outer support 2 to improve the safety of equipment lifting. The braking mechanism is the core protection component for the safe operation of the equipment, and it automatically intervenes in the overweight or overspeed state of the lifting cage 4 through the linkage of the mechanical structure.

[0038] In the braking mechanism, the fixed rod 221 passes through the inner through hole of the adjustment table 23, and the brake plate 222 at its end is located in the braking cavity with a gap from the friction wheel 242 on the displacement rotating rod 24. Under normal circumstances, when the lifting cage 4 is vertically lifted, the brake plate 222 and the friction wheel 242 do not contact, and the lifting cage 4 is normally lifted. If the lifting cage 4 is overweight or the upward acceleration is too high, the tension of the first steel rope 5 surges, and the pressure of the first steel rope 5 on the third guide wheel 241 increases, and the braking mechanism immediately intervenes.

[0039] The resultant force received by the third guide wheel 241 is the vector sum of the tensions of the first steel ropes 5 on both sides of the third guide wheel 241, and the direction is the included angle of the tangents of the first steel ropes 5 to the third guide wheel 241. The pressure received by the third guide wheel 241 will force the adjustment table 23 to move towards the end table 22, compressing the first spring 223. When this pressure is too large (exceeding the overweight and upward acceleration warning values), the brake plate 222 is in close contact with the friction wheel 242, and the rotation of the displacement rotating rod 24 is restricted by the frictional force. Since the wire pressing wheel 231 on the adjustment table 23 presses the first steel rope 5 firmly on the third guide wheel 241, it is ensured that the first steel rope 5 will not slip or shift on the third guide wheel 241, thereby preventing the lifting cage 4 from continuing to rise and avoiding safety accidents. After reducing the load weight of the lifting cage 4 or lowering the upward acceleration, the tension of the first steel rope 5 decreases, and the first spring 223 pushes the sliding table 232 to reset, separating the brake plate 222 from the friction wheel 242, thus restoring normal lifting work.

[0040] After the lifting cage 4 reaches the platform position, the card slot 413 on the limit frame 412 contacts the limit rotating rod 26, and the lifting cage 4 cannot rise due to the block of the limit rotating rod 26. At this time, the winch 3 is still winding the first steel rope 5, which will also cause the braking mechanism to intervene and restrict the rotation of the displacement rotating rod 24. At this time, the winding of the first steel rope 5 will pull the outer support 2 to rotate, moving the lifting cage 4 onto the platform.

[0041] Combined with Appendix Figure 4 Appendix Figure 8 Appendix Figure 9As shown, the winch 3 further includes a fixing plate 31, a motor 32, a gearbox 33, a drive shaft 34, and a second wire reel 36. The motor 32 and the gearbox 33 are mounted on the fixing plate 31. The first wire reel 35 and the second wire reel 36 are rotatably arranged on the fixing plate 31. The motor 32 drives the drive shaft 34 to rotate through the internal gear set of the gearbox 33. The drive shaft 34 drives the first wire reel 35 to rotate. One end of the drive shaft 34 is provided with an extension shaft 341 passing through the inner through hole of the second wire reel 36. One end of the second wire reel 36 is provided with a transmission mechanism 37. The transmission mechanism 37 realizes the power connection between the extension shaft 341 and the second wire reel 36. A second steel rope 6 is wound around the second wire reel 36. The second steel rope 6 assists in pulling the displacement rod 21 to rotate.

[0042] Combined with the attached Figure 3 and the attached Figure 4 As shown, a second steel rope 6 is wound around the second wire reel 36. A second guide wheel 15 is rotatably arranged on the vertical frame 13. A third steel rope 7 is arranged outside the end platform 22. One end of the third steel rope 7 is connected with a movable pulley 71. One end of the second steel rope 6 is sequentially wound around the second guide wheel 15 and the movable pulley 71 and then connected to the cross beam 16.

[0043] Combined with the attached Figure 8 、the attached Figure 9 、the attached Figure 10 and the attached Figure 11 As shown, the transmission mechanism 37 includes a turntable 371 at the end of the extension shaft 341 and a turntable 375 rotatably arranged on one side of the turntable 371. A plurality of radially arranged sliding grooves 372 are uniformly arranged outside the turntable 371. An insert block 373 is slidably arranged in the sliding groove 372. A slot 361 for cooperating with the insert block 373 is arranged at the inner through hole of one end of the second wire reel 36. An arc-shaped platform 374 is arranged outside the insert block 373. A spiral groove 376 for slidingly cooperating with the arc-shaped platform 374 is arranged inside the turntable 375. A second friction wheel 377 is arranged outside the turntable 375. A brake rod 38 is hinged on the fixing plate 31. A second brake plate 381 is arranged at the end of the brake rod 38. A second spring 382 is connected between the brake rod 38 and the fixing plate 31.

[0044] In the work combining vertical lifting and displacement transfer required by this equipment, as the core power device, the winch needs to take into account the different power requirements of the cage lifting and the rotation of the outer support. The traditional single-drum design is difficult to meet the complex working conditions. In this equipment, the winch 3 effectively solves this problem through the unique double-drum and transmission mechanism 37 design, realizing the efficient operation of material hoisting and transfer.

[0045] After the motor 32 starts, the power is transmitted to the drive shaft 34 through the speed increase and torque increase of the internal gear set of the gearbox 33. The drive shaft 34 directly drives the first wire reel 35 to rotate, and the first steel rope 5 wound thereon starts to be wound up, vertically lifting the cage 4 to the height of the platform where the fixing frame 1 is located. At this stage, although the extension shaft 341 at one end of the drive shaft 34 rotates coaxially with the second wire reel 36, the insertion block 373 in the transmission mechanism 37 is not inserted into the slot 361 of the second wire reel, and the two are in a separated state, and the second wire reel 36 remains stationary.

[0046] When the cage 4 reaches the specified height and needs to be transferred to the platform, the operator manually presses the brake lever 38. The brake lever rotates around the hinge point against the elastic force of the second spring 382, and the second brake plate 381 at the end contacts the second friction wheel 377, causing the turntable 375 to rotate relative to the turntable 371. Under the cooperation of the spiral groove 376 and the arc-shaped platform 374, the insertion block 373 slides radially along the chute 372 and is inserted into the slot 361 of the second wire reel 36, enabling the power connection between the extension shaft 341 and the second wire reel 36. At this time, the drive shaft 34 drives the second wire reel 36 to rotate synchronously, and the second steel rope 6 wound on the second wire reel 36 starts to be wound up. The second steel rope 6 sequentially bypasses the second guide wheel 15 and the movable pulley 71 and then connects to the cross beam 16. Utilizing the labor-saving characteristic of the movable pulley 71, it assists in pulling the displacement lever 21 to rotate, and the cage 4 is smoothly transferred to the platform.

[0047] During the process of transferring the cage 4 from the platform to the suspended position, the extension shaft 341 and the second wire reel 36 maintain a power connection, and the second steel rope 6 is released. After the displacement lever 21 contacts the support plate 11, at this time the cage 4 is in the suspended position, and the operator manually presses the brake lever 38. Since the second wire reel 36 is in a reverse rotation state, during the relative rotation of the turntable 375 and the turntable 371, the turntable 375 also rotates in reverse. Under the cooperation of the spiral groove 376 and the arc-shaped platform 374, the insertion block 373 disengages from the slot 361, thereby realizing the power separation between the extension shaft 341 and the second wire reel 36, and the rotation of the second wire reel 36 stops.

[0048] In order to improve the precise control of the transmission mechanism 37, a sensor can be added at the edge of the platform or a pressure sensor can be added at the card slot 413. The second brake plate 381 is changed to be driven by an electric push rod. After the cage 4 rises to the platform position, a signal is triggered to make the electric push rod push the second brake plate 381 to contact the second friction wheel 377, realizing the power connection between the extension shaft 341 and the second wire reel 36.

[0049] During the entire working process, the hoisting machine 3 realizes the time-sharing operation of the first wire reel 35 and the second wire reel 36 through the clutch switching of the transmission mechanism 37, which not only ensures the stable lifting of the cage 4 but also ensures the accurate power output when the outer support rotates, greatly improving the efficiency and safety of the material hoisting operation.

[0050] Combined with the attached Figure 12and appendices Figure 13 As shown, a pressure plate 43 and a load-carrying plate 42 are provided below the top plate 41. Columns 421 are provided at the corners of the load-carrying plate 42. A wire groove wheel two 45 is rotatably provided in the internal cavity of the column 421. A pulling rope 44 is provided at the bottom corners of the top plate 41. The pulling rope 44 passes through the through hole on the column 421 and bypasses the wire groove wheel two 45 and then connects to the pressure plate 43. A spring three 46 is connected between the column 421 and the pressure plate 43. A limit post 422 cooperating with the pressure plate 43 is provided at the top of the column 421.

[0051] During the hoisting process of building materials, the stable placement of the materials in the cage 4 is the key to ensuring transportation safety. If there are no effective fixing measures, risks such as shaking and scattering are likely to occur. This equipment constructs a pressing system by setting a pressure plate 43, a load-carrying plate 42 and related components below the top plate 41 of the cage, effectively solving the problems of material fixing and transportation stability.

[0052] When the materials are placed on the load-carrying plate 42, the pressure plate 43 is in the initial position close to the top plate 41 under the elastic force of the spring three 46. As the hoist 3 starts and the winding drum one 35 winds up the steel rope one 5, the top plate 41 begins to rise. During the rising process, through the guidance of the wire groove wheel two 45 for the pulling rope 44, the upward pulling force of the top plate 41 on the pulling rope 44 is converted into a downward pulling force of the pulling rope 44 on the pressure plate 43, causing the pressure plate 43 to move downward. At this time, the spring three 46 is compressed, and the pressure plate 43 presses on the materials to prevent the materials from scattering. The limit post 422 at the top of the column 421 limits the downward movement distance of the pressure plate 43 to prevent it from causing excessive extrusion damage to the materials. An elastic pressing structure can be provided at the bottom of the pressure plate 43 to avoid causing compressive damage to the easily damaged materials.

[0053] When the cage 4 is transferred to the platform, the load-carrying plate 42 is placed on the platform. After the top plate 41 moves downward a certain distance, the displacement rod 21 moves to the limit plate 12. During this process, the pressure plate 43 returns to the initial position under the reset elastic force of the spring three 46, causing the pressure plate 43 to leave the top of the materials. The operator can easily remove the materials, effectively improving the reliability of the hoisting operation.

[0054] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the present invention, creatively design a structural manner and an embodiment similar to this technical solution without creative efforts, they shall fall within the protection scope of the present invention.

Claims

1. A material hoisting device for construction engineering, comprising a fixed frame (1), an outer support (2), a winch (3) and a cage (4), characterized in that: A vertical frame (13) is provided on the fixed frame (1), and a first guiding wheel (14) is rotatably provided on the vertical frame (13); The outer support (2) includes two displacement rods (21) hinged to the fixed frame (1). A displacement rotating rod (24) is rotatably provided at the end of the displacement rod (21). A fixed rotating rod (25) is connected to the middle section of the displacement rod (21). A third guiding wheel (241) and a fourth guiding wheel (251) are respectively provided on the displacement rotating rod (24) and the fixed rotating rod (25). A limiting rotating rod (26) is provided on the displacement rod (21) between the displacement rotating rod (24) and the fixed rotating rod (25); A damper (17) is provided on the fixed frame (1), and a push plate (18) is hinged to the working end of the damper (17). The push plate (18) contacts the displacement rod (21) when it is erected; A first wire groove wheel (411) is provided on the cage (4); The winch (3) includes a first wire winding drum (35). A first steel wire rope (5) is wound around the first wire winding drum (35). The first steel wire rope (5) sequentially passes around the first guiding wheel (14), the third guiding wheel (241), the first wire groove wheel (411) and the fourth guiding wheel (251) and then is connected to the vertical frame (13); The winch (3) lifts the cage (4) to the platform where the fixed frame (1) is located through the first steel wire rope (5). The cage (4) stops rising after being limited by the limiting rotating rod (26). The first steel wire rope (5) pulls the outer support (2) to rotate, so that the cage (4) is transferred to the platform.

2. The material hoisting equipment for construction engineering according to claim 1, characterized in that: An end platform (22) is provided at the end of the displacement rod (21). An adjustment platform (23) is movably provided on the end platform (22). The displacement rotating rod (24) is rotatably provided on the two adjustment platforms (23). A wire pressing wheel (231) that presses the first steel wire rope (5) on the third guiding wheel (241) is rotatably provided on the adjustment platform (23). A braking mechanism is provided inside the adjustment platform (23). When the cage (4) is overweight or the upward acceleration of the cage (4) is too high, the braking mechanism restricts the rotation of the displacement rotating rod (24) and restricts the upward movement of the cage (4).

3. A material hoisting device for construction engineering according to claim 2, characterized in that: The braking mechanism includes a fixed rod (221) inside the end platform (22) and a first friction wheel (242) on the displacement rotating rod (24). A first braking plate (222) that cooperates with the first friction wheel (242) is provided at the end of the fixed rod (221). A sliding platform (232) is provided on the outside of the adjustment platform (23), and a braking cavity (233) is provided on the inside. The sliding platform (232) is slidably provided in the inner groove of the end platform (22). The fixed rod (221) passes through the inner through hole of the sliding platform (232). The first braking plate (222) and the first friction wheel (242) are located in the braking cavity (233) with a gap. A first spring (223) connecting the sliding platform (232) to the end platform (22) is provided at the bottom of the sliding platform (232).

4. The material hoisting equipment for construction engineering according to claim 2, characterized in that: A limiting rotating rod (26) is rotatably provided between the two end platforms (22). The cage (4) includes a top plate (41). A limiting frame (412) is provided on the top of the top plate (41). A clamping groove (413) that cooperates with the limiting rotating rod (26) is provided on the limiting frame (412).

5. A material hoisting device for construction engineering according to claim 1, characterized in that: The winch (3) further includes a fixing plate (31), a motor (32), a gearbox (33), a drive shaft (34), and a second wire reel (36). The motor (32) and the gearbox (33) are mounted on the fixing plate (31). The first wire reel (35) and the second wire reel (36) are rotatably arranged on the fixing plate (31). The motor (32) drives the drive shaft (34) to rotate through the internal gear set of the gearbox (33). The drive shaft (34) drives the first wire reel (35) to rotate. One end of the drive shaft (34) is provided with an extension shaft (341) passing through the inner through hole of the second wire reel (36). One end of the second wire reel (36) is provided with a transmission mechanism (37). The transmission mechanism (37) realizes the power connection between the extension shaft (341) and the second wire reel (36). A second steel wire rope (6) is wound around the second wire reel (36), and the second steel wire rope (6) assists in pulling the displacement rod (21) to rotate.

6. The material hoisting equipment for construction engineering according to claim 5, characterized in that: The transmission mechanism (37) includes a turntable (371) at the end of the extension shaft (341) and a turntable (375) rotatably arranged on one side of the turntable (371). A plurality of radially arranged sliding grooves (372) are evenly provided on the outer side of the turntable (371). Plug blocks (373) are slidably arranged in the sliding grooves (372). A slot (361) matching with the plug blocks (373) is provided at the inner through hole at one end of the second wire reel (36). An arc-shaped table (374) is provided on the outer side of the plug blocks (373). A spiral groove (376) slidably matched with the arc-shaped table (374) is provided on the inner side of the turntable (375).

7. An equipment for hoisting materials used in construction engineering according to claim 6, characterized in that: A second friction wheel (377) is provided on the outer side of the turntable (375). A brake rod (38) is hinged on the fixing plate (31). A second brake plate (381) is provided at the end of the brake rod (38). A second spring (382) is connected between the brake rod (38) and the fixing plate (31).

8. The material hoisting equipment for construction engineering according to claim 4, characterized in that: A pressure plate (43) and a loading plate (42) are provided below the top plate (41). Columns (421) are provided at the corners of the loading plate (42). A second wire groove wheel (45) is rotatably arranged in the internal cavity of the column (421). A pull rope (44) is provided at the bottom corner of the top plate (41). The pull rope (44) passes through the through hole on the column (421) and bypasses the second wire groove wheel (45) and then is connected to the pressure plate (43). A third spring (46) is connected between the column (421) and the pressure plate (43). A limit post (422) matching with the pressure plate (43) is provided at the top of the column (421).

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