Lifting frame convenient to disassemble and assemble for building construction
Technical Field
The invention relates to the technical field of heavy object hoisting, in particular to a hoisting frame for building construction, which is convenient to disassemble and assemble.
Background
With the development of science and technology, people's life is changing from the top to the bottom, and a simplified lifting frame is seen everywhere on the building site, and the lifting frame is generally installed beside a window of a house and used for lifting silt to facilitate indoor decoration. However, the height of the crane boom of the conventional lifting frame cannot be adjusted, and when people install the lifting frame, the height of the crane boom is difficult to control to be higher than the lowest position of a window, so that the bottom of the lifting frame needs to be lifted, and the installation process is very difficult. Therefore, the construction crane with convenient disassembly and assembly is designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a lifting frame for building construction, which is convenient to disassemble and assemble.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is convenient for disassembly and assembly, the lifting frame comprises a base, the base is of a cuboid structure, two symmetrical supporting vertical plates are fixedly welded on the top surface of the base, a connecting transverse plate is fixedly welded between the top ends of the two supporting vertical plates, a rotary table is fixedly installed on the top surface of the base, a threaded rod is fixedly welded on the top end of the rotary table, the top end of the threaded rod penetrates through the connecting transverse plate, a hand-operated mechanism is arranged at the top end of the threaded rod, the threaded rod is rotatably connected with the connecting transverse plate through a bearing, a lifting block is in threaded connection on the outer wall of the threaded rod, vertical plates are fixedly welded at the two ends of the lifting block, a vertical groove is formed in the inner wall of the supporting vertical plate, the vertical plate is clamped in the vertical groove, a lifting arm is rotatably connected to the lifting block through a rotating, the fixed welding in top of jib loading boom has the round bar, the other end of round bar is connected with first pulley, square groove has been seted up to the inside of riser, the inside in square groove is rotated through supporting the round bar and is connected with the second pulley, the top surface fixed mounting of base has the motor, the fixed welding of output of motor has receiving mechanism, the winding has the hawser in the receiving mechanism, the hawser passes through second pulley and first pulley in proper order, fixed welding has fixed establishment on two symmetrical lateral walls of base.
Preferably, reinforcing ribs are fixedly welded between the supporting vertical plates and the base.
Preferably, the hand-operated mechanism comprises a connecting rod fixedly welded at the top end of the threaded rod, the other end of the connecting rod is fixedly welded with a round rod, and the outside of the round rod is sleeved with a limiting block fixedly welded at the top end of a cylinder and the round rod.
Preferably, the angle adjusting mechanism comprises a first rotating shaft base fixedly welded on the connecting transverse plate and a second rotating shaft base fixedly welded on the crane boom, the first rotating shaft base and the second rotating shaft base are rotatably connected with threaded round rods, threads on the two threaded round rods are opposite, and a threaded sleeve is in threaded connection between the two threaded round rods.
Preferably, the receiving mechanism comprises a first disc fixedly welded at the output end of the motor, a bolt connecting column is fixedly welded at the central position of the first disc, and a second disc is fixedly welded at the other end of the bolt connecting column.
Preferably, the inside of the bolting column is provided with a through groove, and the circumferential wall of the bolting column is provided with anti-skid grooves which are uniformly distributed.
Preferably, the fixing mechanism is fixedly welded on square grooves on two symmetrical side walls of the base, sliding rods are arranged inside the square grooves in a sliding mode, slotted holes are formed in the sliding rods, and bolts are matched inside the slotted holes.
Preferably, the number of the slotted holes is at least three, the slotted holes are evenly distributed on the sliding rod, and heavy stones are placed on the sliding rod.
The invention provides a lifting frame convenient to disassemble and assemble for building construction, which has the beneficial effects that: the lifting frame convenient to detach and mount for building construction is provided with the threaded rod and the lifting block, and the lifting block can move up and down when the hand-operated mechanism is rotated due to the fact that the vertical plate is clamped in the vertical groove, so that the lifting block is driven to move up and down together, the problem that the height of the lifting arm is lower than the lowest position of a window and needs to be manually lifted is well solved, and therefore the mounting and the detaching are quicker and more efficient.
Drawings
Fig. 1 is a schematic front sectional view of a construction crane provided in the present invention, which is easy to disassemble and assemble;
FIG. 2 is a schematic side view of a construction crane according to the present invention, which is easy to disassemble and assemble;
FIG. 3 is a schematic top sectional view of a construction crane according to the present invention, which is easy to disassemble and assemble;
FIG. 4 is a schematic structural view of a fixing mechanism of a lifting frame for building construction, which is convenient to disassemble and assemble and provided by the invention;
fig. 5 is a schematic structural view of a receiving mechanism of a hoisting frame for building construction, which is provided by the invention and is convenient to disassemble and assemble.
In the figure: the anti-skid device comprises a base 1, a supporting vertical plate 2, a connecting transverse plate 3, a rotary table 4, a threaded rod 5, a lifting block 6, a vertical plate 7, a vertical groove 8, a rotating shaft base 9, a lifting arm 10, a round rod 11, a first pulley 12, a square groove 13, a supporting round rod 14, a second pulley 15, a motor 16, a cable 17, reinforcing ribs 18, a connecting rod 19, a round rod 20, a cylinder 21, a first rotating shaft base 22, a second rotating shaft base 23, a threaded round rod 24, a threaded sleeve 25, a first disk 26, a bolt connecting column 27, a second disk 28, a penetrating groove 29, an anti-skid groove 30, a square groove 31, a sliding rod 32, a slotted hole 33 and a limiting block 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, a lifting frame for building construction convenient to disassemble and assemble comprises a base 1, wherein the base 1 is of a cuboid structure, two symmetrical supporting vertical plates 2 are fixedly welded on the top surface of the base 1, a connecting transverse plate 3 is fixedly welded between the top ends of the two supporting vertical plates 2, reinforcing ribs 18 are fixedly welded between the supporting vertical plates 2 and the base 1, a rotary table 4 is fixedly installed on the top surface of the base 1, a threaded rod 5 is fixedly welded on the top end of the rotary table 4, the top end of the threaded rod 5 penetrates through the connecting transverse plate 3, a hand-operated mechanism is arranged at the top end of the threaded rod 5, the threaded rod 5 is rotatably connected with the connecting transverse plate 3 through a bearing, a lifting block 6 is in threaded connection with the outer wall of the threaded rod 5, vertical plates 7 are fixedly welded at the two ends of the lifting block 6, vertical grooves 8 are formed in the inner wall of, and the riser 7 joint is under the effect of erecting in the groove 8, and when rotating hand rocking mechanism, the elevator 6 can reciprocate, is connected with jib loading boom 10 on the elevator 6 to reach jib loading boom 10 height-adjustable's purpose, fine solution the jib loading boom height before be less than the problem that the window minimum needs the manual bed hedgehopping.
In the invention, the lifting block 6 is rotatably connected with the lifting boom 10 through the rotating shaft base 9, an angle adjusting mechanism is arranged between the lifting boom 10 and the connecting transverse plate 3, the angle adjusting mechanism comprises a first rotating shaft base 22 fixedly welded on the connecting transverse plate 3 and a second rotating shaft base 23 fixedly welded on the lifting boom 10, the inner parts of the first rotating shaft base 22 and the second rotating shaft base 23 are rotatably connected with threaded round rods 24, the threads on the two threaded round rods 24 are opposite, a threaded sleeve 25 is connected between the two threaded round rods 24 in a threaded manner, the linear distance between the first rotating shaft base 22 and the second rotating shaft base 23 can be changed by rotating the threaded sleeve 25, so that the purpose of adjusting the angle of the lifting boom 10 is realized, the distance between the top end of the lifting boom 10 and the wall can be changed under the condition that the angle of the lifting boom 10 is adjustable, and further, when a, the object touches the wall in the process of moving upwards, so that the object is damaged.
According to the invention, a round rod 11 is fixedly welded at the top end of a crane boom 10, a first pulley 12 is connected at the other end of the round rod 11, a square groove 13 is formed in a vertical plate 7, a second pulley 15 is rotatably connected in the square groove 13 through a supporting round rod 14, a motor 16 is fixedly installed on the top surface of a base 1, an accommodating mechanism is fixedly welded at the output end of the motor 16, a cable 17 is wound on the accommodating mechanism, the cable 17 sequentially passes through the second pulley 15 and the first pulley 12, fixing mechanisms are fixedly welded on two symmetrical side walls of the base 1, the base 1 is fixed on the ground under the action of the fixing mechanisms, the motor 16 rotates to drive the accommodating mechanism to rotate together, the cable 17 on the accommodating mechanism can be gradually wound on the accommodating mechanism, the direction of the cable 17 is changed through the second pulley 15 and the first pulley 12, and heavy.
Example 2
Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the hand-operated mechanism includes a connecting rod 19 fixedly welded on the top end of the threaded rod 5, a round rod 20 is fixedly welded on the other end of the connecting rod 19, a cylinder 21 is sleeved outside the round rod 20, and a limiting block 34 is fixedly welded on the top end of the round rod 20, the connecting rod 19 is rotated by holding the cylinder 21, so that the threaded rod 5 starts to rotate, and the connecting rod 19 can increase the force arm and reduce the applied force, so that the threaded rod 5 is easier to rotate.
Example 3
Referring to fig. 5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the accommodating mechanism includes a first disc 26 fixedly welded at the output end of the motor 16, a bolting column 27 is fixedly welded at the center of the first disc 26, a second disc 28 is fixedly welded at the other end of the bolting column 27, a through groove 29 is formed inside the bolting column 27, the cable 17 is bolted in the through groove 29 to limit the cable 17, so as to prevent the cable 17 from slipping on the bolting column 27, anti-slip grooves 30 are uniformly distributed on the circumferential wall of the bolting column 27, so as to prevent the cable 17 from slipping, and the first disc 26 and the second disc 28 are arranged to limit the cable 17, so as to prevent the cable 17 from not winding on the bolting column 27 to cause sudden weight slipping and accidents.
Example 4
Referring to fig. 3 and 4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the fixing mechanism fixes a square groove 31 welded on two symmetrical side walls of the base 1, a sliding rod 32 is slidably disposed inside the square groove 31, a slotted hole 33 is disposed inside the sliding rod 32, a bolt is matched inside the slotted hole 33, the number of the slotted holes 33 is at least three, and the slotted holes 33 are uniformly distributed on the sliding rod 32, heavy stones are placed on the sliding rod 32, the sliding rod 32 is drawn out from the square groove 31, and the sliding rod 32 is fixed by the bolt, so that the hanger can be fixed, the arrangement of the sliding rod 32 can increase the force arm, enhance the fixing effect, and the heavy stones can also be placed on the sliding rod 32, so as to increase the stability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.