Small lifting device in floor

Abstract

The utility model relates to the technical field of lifting, in particular to a small lifting device in floors, which comprises a bottom plate and a first threaded rod, the first threaded rod is fixedly connected to the upper side of the bottom plate, the upper end of the first threaded rod is fixedly connected with a top plate, universal wheels are mounted at four corners of the lower side of the bottom plate, and a lifting mechanism is arranged at the upper end of the bottom plate. The hoisting mechanism comprises a hollow shaft torque motor installed on the outer side of the first threaded rod. According to the small lifting device in the floor, when materials need to be lifted, the lifting device is pushed to a lifting position firstly, then a rotating handle is rotated to enable a supporting plate to move downwards to the position above the ground, then the heavy materials to be lifted are hung to the outer end of a hook, and finally a hollow shaft torque motor is started to move upwards along a first threaded rod; and meanwhile, the supporting rod moves upwards together to hoist the heavy materials hung at the outer end of the hook to a high construction position, so that manual carrying is replaced, and the working intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting technology field, concretely is a small hoisting device in floor. BACKGROUND

[0002] With the development of the times, high-rise buildings stand in every corner of the city, and the floor is also higher and higher, in the construction engineering construction process, when the floor construction, hoisting equipment is difficult to apply, the existing hoisting machinery is usually heavy, and the volume is large, and it is not easy to control in the construction elevator, so when the floor secondary structure construction and decoration construction at high altitude, only through artificial low place material, object is carried to the high place scaffold, extremely time -consuming and labor -intensive, and when construction sets up the scaffold and disassembles complicatedly, for this kind of situation needs a small hoisting device in floor. UTILITY MODEL CONTENTS

[0003] The utility model discloses a small hoisting device in floor to solve the problem of artificial carrying of heavy materials during floor construction as described in the background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a small hoisting device in floor, including bottom plate and first threaded rod, the first threaded rod fixedly connected in the upside of bottom plate, the upper end of first threaded rod is fixedly connected with top plate, the lower side four corners of bottom plate is installed with universal wheel, the upper end of bottom plate is provided with hoisting mechanism;

[0005] The hoisting mechanism includes a hollow shaft torque motor mounted on the outer side of the first threaded rod, the outer side right end of the hollow shaft torque motor is fixedly connected with the support rod, the lower side right end of the support rod is fixedly connected with the hook, the left and right ends of the upper side of the support rod are fixedly connected with the limiting rod, the upper side of the support rod is connected with the pedal, and the upper side of the bottom plate is fixedly connected with the outer frame.

[0006] Further improvement lies in that the upper side of the outer frame is fixedly connected with the lower side of the top plate, the inner side of the outer frame is slidably connected with the outer side of the hollow shaft torque motor and the outer side of the left end of the support rod, and an inner thread is formed in the inner side of the rotor of the hollow shaft torque motor, and the outer side of the first threaded rod is threadedly connected with the inner side of the rotor of the hollow shaft torque motor, so that when the hollow shaft torque motor is started to make the rotor inside it rotate around the first threaded rod, the hollow shaft torque motor and the left end of the support rod can be kept vertically and stably moved along the inner side of the outer frame.

[0007] Further improvement lies in that the outer end of the hook is hung with the material, so that after the material is hung on the hook, the material can be lifted up by starting the hollow shaft torque motor to move the support rod.

[0008] Further improvement lies in that the four corners of the pedal are provided with limiting holes, the upper side of the supporting rod is in abutment with the lower side of the pedal, and the outer side of the limiting rod is in sliding connection with the inner side of the limiting hole, so that after the two small lifting devices are placed side by side, the pedal is placed on the two supporting rods, and after the limiting rod passes through the limiting hole in the pedal, the pedal can be stably placed on the two supporting rods.

[0009] Further improvement lies in that the front and rear ends of the bottom plate are provided with auxiliary supporting mechanisms, the auxiliary supporting mechanisms comprise second threaded rods connected to the front and rear ends of the bottom plate, the upper end of each second threaded rod is welded with a rotating handle, and the lower end of each second threaded rod is fixedly connected with a supporting plate.

[0010] Further improvement lies in that the middle positions of the front and rear ends of the bottom plate are provided with threaded holes, and the outer side of the second threaded rod is in threaded connection with the inner side of the threaded hole, so that when the second threaded rod rotates in the threaded hole by rotating the rotating handle, the second threaded rod can move relative to the bottom plate.

[0011] Further improvement lies in that the lower side of the supporting plate is in abutment with the ground, so that when the second threaded rod rotates and moves downward by rotating the rotating handle, the supporting plate moves downward to contact the ground, and then the supporting plate supports the lifting device together with the universal wheel.

[0012] In summary, the application discloses a small lifting device in a floor.

[0013] In the technical solution, after the material is hung on the hook, the hollow shaft torque motor is started to move the supporting rod upward and drive the hung material upward, so that the material is hoisted to the construction site at a high position of the floor, without manual carrying of heavy materials and reducing the working intensity of the staff.

[0014] Further, after the two small lifting devices are placed side by side, the pedal is placed on the two supporting rods, and the limiting rod passes through the limiting hole in the pedal, so that the pedal can be stably placed on the two supporting rods, and then the hollow shaft torque motor is started to move the supporting rod, so that the pedal moves together, so that the staff can stand on the pedal and be lifted to a high position in the floor for construction work, without the need to build and disassemble the scaffold, and the technical solution has high adaptability.

[0015] Further, when the lifting device is used, the second threaded rod rotates and moves downward by rotating the rotating handle, the supporting plate moves downward to contact the ground, and then the supporting plate supports the lifting device together with the universal wheel, so that the universal wheel is prevented from being damaged due to excessive pressure when hoisting heavy objects. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body structure schematic view of the utility model;

[0017] Figure 2 It is the hoisting device and the pedal connection structure schematic view of the utility model;

[0018] Figure 3 It is the hoisting mechanism structure schematic view of the utility model;

[0019] Figure 4 It is the bottom plate structure schematic view of the utility model.

[0020] In the figure: 1, bottom plate;2, first threaded rod;3, top plate;4, universal wheel;501, hollow shaft torque motor;502, support rod;503, hook;504, limit rod;505, pedal;506, outer frame;601, second threaded rod;602, rotating handle;603, support plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a small hoisting device in floor, including bottom plate 1 and first threaded rod 2, first threaded rod 2 is fixedly connected to the upper side of bottom plate 1, the upper end of first threaded rod 2 is fixedly connected with top plate 3, the lower side of bottom plate 1 four corners is equipped with universal wheel 4, and the upper end of bottom plate 1 is provided with hoisting mechanism;

[0023] The lifting mechanism comprises a hollow shaft torque motor 501 mounted on the outer side of the first threaded rod 2, a support rod 502 fixedly connected to the outer side right end of the hollow shaft torque motor 501, a hook 503 fixedly connected to the lower side right end of the support rod 502, limit rods 504 fixedly connected to the left and right ends of the upper side of the support rod 502, a pedal 505 connected to the upper side of the support rod 502, an outer frame 506 fixedly connected to the upper side of the bottom plate 1, the outer frame 506 is fixedly connected to the lower side of the top plate 3, the inner side of the outer frame 506 is slidably connected to the outer side of the hollow shaft torque motor 501 and the outer side of the left end of the support rod 502, the inner side of the rotor of the hollow shaft torque motor 501 is provided with an internal thread, and the outer side of the first threaded rod 2 is threadedly connected to the inner side of the rotor of the hollow shaft torque motor 501, so that when the hollow shaft torque motor 501 is started to rotate the rotor inside it around the first threaded rod 2, the left end of the hollow shaft torque motor 501 and the support rod 502 can be kept vertically and stably moved along the inner side of the outer frame 506, and the hollow shaft torque motor 501 can be protected at the same time.

[0024] The outer end of the hook 503 suspends the material, so that after the material is suspended on the hook 503, the material can be lifted to the high construction position of the floor by starting the hollow shaft torque motor 501 to move the support rod 502, without manually carrying the heavy material, reducing the working intensity of the workers.

[0025] Limiting holes are formed at the four corners of the pedal 505, the upper side of the support rod 502 abuts against the lower side of the pedal 505, and the outer side of the limiting rod 504 is slidably connected to the inner side of the limiting hole, so that after the two small lifting devices are placed side by side, the pedal 505 can be stably placed on the two support rods 502 by placing the pedal 505 on the two support rods 502 and passing the limiting rod 504 through the limiting hole in the pedal 505, and then starting the hollow shaft torque motor 501 to move the support rod 502, the pedal 505 can be moved together, so that the workers can stand on the pedal 505 to be lifted to the high position in the floor to perform construction work, without the need to build and disassemble the scaffold, having high adaptability.

[0026] The front and rear ends of the bottom plate 1 are provided with auxiliary support mechanisms, the auxiliary support mechanisms comprise second threaded rods 601 connected to the front and rear ends of the bottom plate 1, rotary handles 602 welded to the upper ends of the second threaded rods 601, support plates 603 fixedly connected to the lower ends of the second threaded rods 601, threaded holes formed at the middle positions of the front and rear ends of the bottom plate 1, and the outer sides of the second threaded rods 601 are threadedly connected to the inner sides of the threaded holes, so that when the second threaded rods 601 are rotated in the threaded holes by rotating the rotary handles 602, the second threaded rods 601 can be moved relative to the bottom plate 1.

[0027] The lower side of the support plate 603 abuts against the ground, so that when the lifting device is in use, the second threaded rod 601 is rotated and lowered at the same time by rotating the rotary handle 602, and after the support plate 603 is lowered to contact the ground, the support plate 603 will support the lifting device as a whole together with the universal wheel 4, so as to avoid damage to the universal wheel 4 due to excessive pressure when the lifting device is lifting heavy objects.

[0028] Working principle: when it is necessary to lift heavy materials, first push the lifting device to the lifting position, then rotate the rotary handle 602 to lower the support plate 603 above the ground, then hang the heavy material to be lifted at the outer end of the hook 503, and finally start the hollow shaft torque motor 501 to make it move upwards along the first threaded rod 2, and the support rod 502 moves upwards at the same time, lifts the heavy material hung at the outer end of the hook 503 to a high construction position, thereby replacing manual carrying and reducing the working intensity of the workers.

[0029] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A small-sized hoisting device in a floor, comprising a base plate (1) and a first threaded rod (2) fixedly connected to the upper side of the base plate (1), characterized in that: The upper end of the first threaded rod (2) is fixedly connected with a top plate (3), the lower side of the bottom plate (1) is provided with universal wheels (4) at four corners, and the upper end of the bottom plate (1) is provided with a lifting mechanism. The lifting mechanism comprises a hollow shaft torque motor (501) mounted on the outer side of the first threaded rod (2), the outer side right end of the hollow shaft torque motor (501) is fixedly connected with a support rod (502), the lower side right end of the support rod (502) is fixedly connected with a hook (503), the upper side of the support rod (502) is fixedly connected with a limiting rod (504) at left and right ends, the upper side of the support rod (502) is connected with a pedal (505), and the upper side of the bottom plate (1) is fixedly connected with an outer frame (506).

2. An in-floor hoisting device according to claim 1, characterized in that: The upper side of the outer frame (506) is fixedly connected with the lower side of the top plate (3), the inner side of the outer frame (506) is in sliding connection with the outer side of the hollow shaft torque motor (501) and the outer side of the left end of the support rod (502), the inner side of the rotor of the hollow shaft torque motor (501) is provided with an internal thread, and the outer side of the first threaded rod (2) is in threaded connection with the inner side of the rotor of the hollow shaft torque motor (501).

3. An in-floor hoisting device according to claim 1, characterized in that: The outer end of the hook (503) is hung with materials.

4. An in-floor hoisting device according to claim 1, characterized in that: The four corners of the pedal (505) are provided with limiting holes, the upper side of the support rod (502) abuts against the lower side of the pedal (505), and the outer side of the limiting rod (504) is in sliding connection with the inner side of the limiting hole.

5. An in-floor hoisting device according to claim 1, characterized in that: The front and rear ends of the bottom plate (1) are provided with auxiliary support mechanisms, the auxiliary support mechanisms comprise second threaded rods (601) connected to the front and rear ends of the bottom plate (1), the upper end of the second threaded rod (601) is welded with a rotating handle (602), and the lower end of the second threaded rod (601) is fixedly connected with a support plate (603).

6. An in-floor hoisting device according to claim 5, wherein: The middle positions of the front and rear ends of the bottom plate (1) are provided with threaded holes, and the outer side of the second threaded rod (601) is in threaded connection with the inner side of the threaded hole.

7. An in-floor hoisting device according to claim 5, wherein: The lower side of the support plate (603) abuts against the ground.

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