Novel lifting device for constructional engineering

Abstract

The utility model relates to the technical field of lifting devices, in particular to a novel lifting device for constructional engineering. The device comprises a base, a loading box and a supporting strip, a lifting mechanism is assembled between the base and the loading box, and a supporting mechanism is assembled between the base and the supporting strip. Through the structural design of the lifting mechanism, two first threaded lead screws rotate at the same time by starting a motor, two matching blocks drive the loading box to move, the two matching blocks at the two ends of the loading box can move at the same time, and the situation that the two matching blocks are stuck due to asynchronous operation is avoided; therefore, the operation of the lifting device is influenced; and through the structural design of the supporting mechanism, a supporting strip is pulled out of the interior of the base by pulling a rotating disc, a grounding circular plate moves downwards to make contact with the ground by rotating the rotating disc, powerful supporting on the device is achieved, and the object can be safely and stably lifted.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting devices, in particular to a novel lifting device used in construction engineering. Background Art

[0002] With the acceleration of urbanization, the number of high-rise buildings and complex structure buildings is increasing. The traditional manual handling method can no longer meet the needs of efficient and safe construction. Therefore, construction engineering lifting devices came into being and rapidly developed into an indispensable key equipment in construction. These lifting devices mainly include construction elevators, cargo elevators and other types. They use electric motors to drive the transmission system to achieve vertical movement of the box or cage on the guide rail, thereby efficiently and safely completing the vertical transportation of personnel and materials. With the characteristics of large load capacity, stable operation and high safety, it is widely used in various scenarios such as interior and exterior decoration of high-rise buildings and bridge construction. Its working principle mainly relies on the synergy of core components such as motors, reducers, and braking systems to ensure the safety and controllability of the lifting process. The emergence and development of construction engineering lifting devices have greatly improved the efficiency and safety of construction, and provided strong support for the construction and development of modern cities.

[0003] For example, patent CN216303176U discloses a mechanical equipment lifting device for construction engineering, including a bottom plate and a lifting plate, side plates are fixedly connected on both sides of the bottom plate, a lifting motor is connected to the upper end of the side plate, a screw is connected to the output end of the lifting motor, and a lifting plate is arranged inside the bottom plate. Beneficial effects of the utility model include a lifting plate arranged inside the bottom plate, a wear-resistant plate is connected to the upper end of the lifting plate, friction is increased by the wear-resistant plate, the lifting plate is used to support and place the equipment as a whole, binding belts are connected by buckles on both sides of the lifting plate, the binding belts are used to fix the two ends of the equipment to ensure the stability of the equipment during the lifting process, two lifting motors are synchronously rotated on both sides of the lifting plate, the lifting plate is driven to move up by the screw, limiting rods are connected on both sides of the lifting plate, and the lifting plate is limited by the limiting rods, so that the lifting of the lifting plate is more stable, ensuring the stable lifting of the equipment.

[0004] When using the above technology, it was found that the following technical problems exist in the prior art: in an existing lifting device for mechanical equipment used in construction projects, two motors drive two threaded rods to move, and it is very likely that the two motors will run out of sync, resulting in jamming, making it impossible to use the lifting device smoothly and normally, and the supporting effect of the existing support rods is not good enough. When lifting large mass objects, the center of gravity moves and there is a risk of tipping over. Therefore, there is room for improvement. To this end, we designed a new lifting device for construction projects to provide another technical solution to the above technical problems. Utility Model Content

[0005] Based on this, it is necessary to provide a new type of lifting device for construction projects to solve the technical problems of preventing the lifting device from getting stuck and effectively supporting the lifting device in response to the above technical problems.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A novel lifting device for construction engineering includes a base, a loading box and a support bar. The top of the base is equipped with a loading box, and the four end corners inside the base are slidably connected with support bars. A lifting mechanism is installed between the base and the loading box, and a support mechanism is installed between the base and the support bar.

[0008] The lifting mechanism includes a motor, a transmission rod, an active bevel gear, a driven bevel gear, a first threaded screw, a first bearing, a height limiting plate, a vertical groove and a matching block. A motor is fixed inside one end of the base, a transmission rod is fixed to the power output end of the motor, two active bevel gears are fixed to the outside of the transmission rod, the outside of the active bevel gear is meshed and connected with the driven bevel gear, a first threaded screw is fixed to the top of the driven bevel gear, both ends of the first threaded screw are fixed with first bearings, two of the first bearings are fixed to the base, and the other two first bearings are fixed to the outside of the limited height plate, the bottom of the height limiting plate is fixed with a vertical groove, the two vertical grooves are fixed to the base, the external thread connection of the first threaded screw is connected with a matching block, the two matching blocks are fixed to the loading box, and the matching block is slidably connected to the vertical groove.

[0009] Preferably, the supporting mechanism includes a second threaded screw, a rotating disk, a second bearing, a grounding circular plate and a guide rod, the second threaded screw is internally threadedly connected to one end of the supporting bar, a rotating disk is fixed to the top of the second threaded screw, a second bearing is fixed to the bottom of the second threaded screw, a grounding circular plate is fixed to the outside of the second bearing, and two guide rods are fixed to the top of the grounding circular plate, and both guide rods are slidably connected to the supporting bar.

[0010] Preferably, both ends of the interior of the loading box are rotatably connected to a rotating shaft, a rotating plate is fixed to the outside of the rotating shaft, one end of the rotating plate is rotatably connected to a turning handle, one end of the turning handle is fixed to a rotating bar, and both rotating bars are rotatably connected to the loading box.

[0011] Preferably, a limiting head is fixed at the bottom of one end of the support bar, and a plurality of the limiting heads are slidably connected to the base.

[0012] Preferably, four self-locking universal wheels are evenly distributed and fixed on the bottom of the base.

[0013] Preferably, a push-pull handle is fixed on one side of the vertical groove.

[0014] It can be seen without a doubt that the above-mentioned technical solution of the present application can certainly solve the technical problem to be solved by the present application.

[0015] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0016] 1. The utility model adopts the structural design of the lifting mechanism, so that the device can realize the simultaneous rotation of the two first threaded screws by starting the motor to realize the movement of the loading box by the two matching blocks, and the two matching blocks at both ends of the loading box can be moved simultaneously, avoiding the situation that the two matching blocks are stuck due to asynchronous operation, thereby affecting the operation of the lifting device.

[0017] 2. The utility model adopts the structural design of the support mechanism, so that the device can pull the support bar out from the inside of the base by pulling the rotating disk, and the grounding circular plate can move downward and contact the ground by rotating the rotating disk, thereby achieving strong support for the device, so that objects can be lifted and lowered safely and smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a cross-sectional structural diagram of the base and the vertical groove of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the base and the support bar of the utility model;

[0022] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the loading box of the utility model;

[0024] Figure 6 This is a schematic diagram of the connection structure of the loading box, the support bar and the rotating plate of the utility model;

[0025] Figure 7The utility model is a schematic diagram of the connection structure of the base, the limit head and the self-locking universal wheel. In the figure: 1, base; 2, loading box; 3, support bar; 4, motor; 5, transmission rod; 6, driving bevel gear; 7, driven bevel gear; 8, first threaded screw; 9, first bearing; 10, height limit plate; 11, vertical groove; 12, matching block; 13, second threaded screw; 14, rotating disk; 15, second bearing; 16, grounding circular plate; 17, guide rod; 18, rotating shaft; 19, rotating plate; 20, turning handle; 21, rotating bar; 22, limit head; 23, self-locking universal wheel; 24, push-pull handle. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] Embodiment 1

[0031] Reference Figure 1 - Figure 7 A novel lifting device for construction engineering includes a base 1, a loading box 2 and a support bar 3. The top of the base 1 is equipped with the loading box 2. The four end corners inside the base 1 are slidably connected with the support bar 3. A lifting mechanism is installed between the base 1 and the loading box 2, and a support mechanism is installed between the base 1 and the support bar 3.

[0032] The lifting mechanism includes a motor 4, a transmission rod 5, an active bevel gear 6, a driven bevel gear 7, a first threaded screw 8, a first bearing 9, a height limiting plate 10, a vertical groove 11 and a matching block 12. The motor 4 is fixed inside one end of the base 1, and the transmission rod 5 is fixed to the power output end of the motor 4. Two active bevel gears 6 are fixed to the outside of the transmission rod 5. The driven bevel gear 7 is meshed and connected to the outside of the active bevel gear 6. The first threaded screw 8 is fixed to the top of the driven bevel gear 7. The first bearings 9 are fixed to both ends of the first threaded screw 8, two of which are fixed to the base 1, and the other two first bearings 9 are fixed to the outside of the height limiting plate 10. The bottom of the height limiting plate 10 is fixed with a vertical groove 11, and the two vertical grooves 11 are fixed to the base 1 , the external thread of the first threaded screw 8 is connected with a matching block 12, the two matching blocks 12 are fixed to the loading box 2, and the matching blocks 12 are slidably connected to the vertical groove 11; when the construction engineering lifting device is to be used to lift an object, the motor 4 is started, the motor 4 drives the transmission rod 5 to rotate, the transmission rod 5 drives the two active bevel gears 6 to rotate, the active bevel gear 6 drives the driven bevel gear 7 to rotate, the driven bevel gear 7 drives the first threaded screw 8 to rotate, the first threaded screw 8 drives the corresponding matching block 12 to slide inside the vertical groove 11, the lifting and lowering of the loading box 2 can be realized, the lifting and lowering of the object can be realized, and the height limiting plate 10 limits the movement position of the two matching blocks 12, so that the matching blocks 12 can only move between the base 1 and the height limiting plate 10;

[0033] Both ends of the interior of the loading box 2 are rotatably connected with a rotating shaft 18, a rotating plate 19 is fixed to the outside of the rotating shaft 18, a rotating handle 20 is rotatably connected to one end of the rotating plate 19, and a rotating bar 21 is fixed to one end of the rotating handle 20, and both rotating bars 21 are rotatably connected to the loading box 2; through the arrangement of the rotating shaft 18, the rotating plate 19, the rotating handle 20 and the rotating bar 21, the rotating handle 20 is rotated, and the rotating handle 20 drives the rotating bar 21 to move, and when it is necessary to transport an object to the loading box 2, the rotating handle 20 is rotated, and the rotating handle 20 drives the rotating bar 21 to release the restriction on the position of the loading box 2, so that the rotating plate 19 can be placed on the loading box 2. The rotating plate 19 can be rotated before the object is transported to the loading box 2, so that the rotating plate 19 contacts the ground, and the inclined surface formed by the rotating plate 19 and the ground facilitates the sliding of the object into the loading box 2, which can effectively save the operator's physical strength. When the object moves to the loading box 2, the rotating plate 19 is rotated to stand up, and the rotating handle 20 is rotated. The rotating handle 20 drives the rotating bar 21 to limit the loading box 2 and the rotating plate 19, which can block the object, make the object safe during lifting and lowering, and avoid the occurrence of falling objects, which can effectively reduce the occurrence of safety construction, and has a good practical effect.

[0034] Four self-locking universal wheels 23 are evenly distributed and fixed on the bottom of the base 1; a push-pull handle 24 is fixed on one side of the vertical groove 11; through the arrangement of the self-locking universal wheels 23 and the push-pull handle 24, the self-locking universal wheels 23 can be flexibly moved by pulling the push-pull handle 24 to realize the flexible movement of the construction engineering lifting device, making the construction engineering lifting device easy to use and can be moved according to the needs of use, making the construction engineering lifting device flexible, convenient and fast to move.

[0035] Embodiment 2

[0036] Reference Figure 3 and Figure 4 A novel lifting device for construction engineering, the supporting mechanism comprises a second threaded screw 13, a rotating disk 14, a second bearing 15, a grounding circular plate 16 and a guide rod 17, one end of the support bar 3 is internally threadedly connected with the second threaded screw 13, the top of the second threaded screw 13 is fixed with a rotating disk 14, the bottom of the second threaded screw 13 is fixed with a second bearing 15, the outside of the second bearing 15 is fixed with a grounding circular plate 16, and two guide rods 17 are fixed on the top of the grounding circular plate 16, and both guide rods 17 are slidably connected with the support bar 3; a limit head 22 is fixed at the bottom of one end of the support bar 3, and multiple limit heads 22 are slidably connected with the base 1; when the construction engineering lifting device is to be strongly supported, the rotating disk 14 is held by hand to move outward By pulling, the rotating disk 14 drives the second threaded screw 13 to move, and the second threaded screw 13 drives the support bar 3 to move, so that the support bar 3 can be pulled out of the base 1, and the limit head 22 limits the pulling-out distance of the support bar 3, which can effectively prevent the support bar 3 from being pulled out to the outside of the base 1 and affecting the normal operation of the lifting. At this time, each rotating disk 14 is rotated in turn, and the rotating disk 14 drives the second threaded screw 13 to rotate, and the second threaded screw 13 drives the second bearing 15, and the second bearing 15 drives the grounding circular plate 16 to move downward, and the grounding circular plate 16 drives the two guide rods 17 to slide inside the support bar 3, and the guide rods 17 play a guiding role when the grounding circular plate 16 moves. When the grounding circular plate 16 contacts the ground, effective support can be achieved when the object is lifted;

[0037] The use process of a new type of lifting device for construction engineering provided by the utility model is as follows:

[0038] When the construction engineering lifting device is to be strongly supported, the four end corners inside the base 1 are slidably connected with the support bars 3, one end of the support bar 3 is internally threadedly connected with the second threaded screw 13, the top of the second threaded screw 13 is fixed with a rotating disk 14, the bottom of the second threaded screw 13 is fixed with a second bearing 15, the outside of the second bearing 15 is fixed with a grounding circular plate 16, and the top of the grounding circular plate 16 is fixed with two guide rods 17, and the two guide rods 17 are slidably connected with the support bar 3; then the rotating disk 14 is held and pulled outward, the rotating disk 14 drives the second threaded screw 13 to move, and the second threaded screw 13 drives the support bar 3. 3 movement, the support bar 3 can be pulled out of the base 1, and the limit head 22 limits the pulling distance of the support bar 3, which can effectively prevent the support bar 3 from being pulled out to the outside of the base 1 to affect the normal operation of the lift. At this time, each rotating disk 14 is rotated in turn, the rotating disk 14 drives the second threaded screw 13 to rotate, the second threaded screw 13 drives the second bearing 15, and the second bearing 15 drives the grounding circular plate 16 to move downward, and the grounding circular plate 16 drives the two guide rods 17 to slide inside the support bar 3. The guide rods 17 play a guiding role when the grounding circular plate 16 moves. When the grounding circular plate 16 contacts the ground, effective support can be achieved when the object is lifted;

[0039] When the construction engineering lifting device is to be used for lifting objects, since a motor 4 is fixed inside one end of the base 1, a transmission rod 5 is fixed to the power output end of the motor 4, two active bevel gears 6 are fixed to the outside of the transmission rod 5, and the outside of the active bevel gear 6 is meshedly connected with a driven bevel gear 7, a first threaded screw 8 is fixed to the top of the driven bevel gear 7, and first bearings 9 are fixed to both ends of the first threaded screw 8, two of which are fixed to the base 1, and the outsides of the other two first bearings 9 are fixed with a limited height plate 10, and the bottom of the limited height plate 10 is fixed with a vertical groove 11, and the two vertical grooves 11 are fixed to the base 1, and the outside of the first threaded screw 8 A matching block 12 is threadedly connected, and the two matching blocks 12 are fixed to the loading box 2, and the matching blocks 12 are slidably connected to the vertical groove 11; then the motor 4 is started, the motor 4 drives the transmission rod 5 to rotate, the transmission rod 5 drives the two active bevel gears 6 to rotate, the active bevel gear 6 drives the driven bevel gear 7 to rotate, the driven bevel gear 7 drives the first threaded screw 8 to rotate, and the first threaded screw 8 drives the corresponding matching block 12 to slide inside the vertical groove 11, so that the loading box 2 can be lifted and lowered, and the lifting and lowering of the object can be realized, and the height limiting plate 10 limits the movement position of the two matching blocks 12, so that the matching blocks 12 can only move between the base 1 and the height limiting plate 10;

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A new type of lifting device for construction engineering, characterized in that: The utility model comprises a base (1), a loading box (2) and a support bar (3); the loading box (2) is mounted on the top of the base (1); the four end corners inside the base (1) are slidably connected to the support bar (3); a lifting mechanism is mounted between the base (1) and the loading box (2); and a supporting mechanism is mounted between the base (1) and the support bar (3); The lifting mechanism comprises a motor (4), a transmission rod (5), a driving bevel gear (6), a driven bevel gear (7), a first threaded screw (8), a first bearing (9), a height limiting plate (10), a vertical groove (11) and a matching block (12); a motor (4) is fixed inside one end of the base (1); a transmission rod (5) is fixed to the power output end of the motor (4); two driving bevel gears (6) are fixed to the outside of the transmission rod (5); the outside of the driving bevel gear (6) is meshedly connected with the driven bevel gear (7); the top of the driven bevel gear (7) is fixed with a first A threaded screw (8), wherein first bearings (9) are fixed at both ends of the first threaded screw (8), wherein two of the first bearings (9) are fixed to the base (1), wherein the outer sides of the other two first bearings (9) are fixed with a height limiting plate (10), wherein the bottom of the height limiting plate (10) is fixed with a vertical groove (11), wherein the two vertical grooves (11) are fixed to the base (1), wherein the outer side of the first threaded screw (8) is threadedly connected with a matching block (12), wherein the two matching blocks (12) are fixed to the loading box (2), and the matching block (12) and the vertical groove (11) are slidably connected.

2. A new type of lifting device for construction engineering according to claim 1, characterized in that: The support mechanism comprises a second threaded screw (13), a rotating disk (14), a second bearing (15), a grounding circular plate (16) and a guide rod (17); one end of the support bar (3) is internally threadedly connected with the second threaded screw (13); the top of the second threaded screw (13) is fixed with a rotating disk (14); the bottom of the second threaded screw (13) is fixed with a second bearing (15); the outside of the second bearing (15) is fixed with a grounding circular plate (16); and two guide rods (17) are fixed on the top of the grounding circular plate (16), and the two guide rods (17) are both slidably connected to the support bar (3).

3. A new type of lifting device for construction engineering according to claim 1, characterized in that: Both ends of the interior of the loading box (2) are rotatably connected to a rotating shaft (18), a rotating plate (19) is fixed outside the rotating shaft (18), one end of the rotating plate (19) is rotatably connected to a turning handle (20), one end of the turning handle (20) is fixed to a rotating bar (21), and both rotating bars (21) are rotatably connected to the loading box (2).

4. A new type of lifting device for construction engineering according to claim 2, characterized in that: A limiting head (22) is fixed at the bottom of one end of the support bar (3), and a plurality of the limiting heads (22) are all slidably connected to the base (1).

5. A new type of lifting device for construction engineering according to claim 1, characterized in that: Four self-locking universal wheels (23) are evenly distributed and fixed on the bottom of the base (1).

6. A new type of lifting device for construction engineering according to claim 1, characterized in that: A push-pull handle (24) is fixed on one side of the vertical groove (11).

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