CN115123942A - Multifunctional cantilever crane - Google Patents

Abstract

The invention discloses a multifunctional cantilever crane, which comprises a fixed column, wherein a suspension arm is rotatably arranged on the fixed column, a reinforcing plate is fixed at the bottom of the suspension arm, a flat plate is fixed at the bottom of the reinforcing plate, a guide rail ring is fixed on the outer side wall of the fixed column, two driving wheels are symmetrically and rotatably arranged at the bottom of the flat plate, a middle arc-shaped scraper matched with the guide rail ring is arranged at one end of a middle mounting plate fixed at the bottom of the flat plate, side arc-shaped scrapers matched with the driving wheels are arranged at two sides of the middle mounting plate, a collision mechanism matched with the guide rail ring is arranged at the bottom of the flat plate, and a winding mechanism is arranged on the upper end surface of the flat plate; in the using process, the self-cleaning crane can eradicate impurities such as rust adhered on the guide rail ring, so that the crane has the function of lifting goods and also has the self-cleaning function.

Description

A multifunctional cantilever crane

technical field

The invention relates to the technical field of cantilever cranes, in particular to a multifunctional cantilever crane.

Background technique

The existing jib crane usually drives the jib to rotate through the cooperation of the guide rail ring and the driving wheel to realize the hoisting and transportation of goods. However, the existing jib crane has certain defects in the use process, such as the guide rail ring and the driving wheel. In the process of using the wheel together, impurities such as rust stains are easily adhered to the outer side wall, which affects the transmission between the guide ring and the driving wheel; During the rotation of the boom, this part of the energized wire will sway, and it is easy to interfere with the movement of the moving block and the electric hoist.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a multifunctional cantilever crane in order to solve the problems existing in the prior art.

To achieve the above object, the present invention has adopted the following technical solutions:

A multifunctional cantilever crane comprises a fixed column, a jib is rotatably arranged on the fixed column, a reinforcing plate is fixed on the bottom of the jib, a flat plate is fixed on the bottom of the reinforcing plate, a guide ring is fixed on the outer side wall of the fixed column, and the flat plate is The bottom is symmetrically arranged with two driving wheels, the bottom of the flat plate is fixed with a middle installation plate, the side wall of the middle installation plate is fixed with a middle installation column, and the end of the middle installation column away from the middle installation plate is fixed with a guide rail ring. The middle arc-shaped scraper, the side mounting plates are fixed on both sides of the middle mounting plate, the side mounting columns are fixed on the side walls of the side mounting plates, and the side mounting columns are fixed at one end away from the side mounting plate to cooperate with the driving wheels. The side arc scraper is provided with an abutting mechanism for matching the guide ring at the bottom of the flat plate, and a winding mechanism is arranged on the upper end surface of the flat plate.

As a further technical solution of the present invention, the interference mechanism includes two rotating arms symmetrically rotatably arranged at the bottom of the plate, each end of the rotating arm is provided with a resistance layer, and the resistance layer is in contact with the outer side wall of the guide ring, and the two A spring mounting seat is fixed on the inner side wall of the rotating arm, and a tension spring is fixed between the two spring mounting seats.

As a further technical solution of the present invention, a slot is fixed at the end of each of the rotating arms, an insert block is inserted into each slot, and a plurality of elastic protrusions are opened on both sides of the insert block. The inner sidewall of the slot is provided with a plurality of elastic card slots for cooperating with the elastic protrusions, an interference connection block is fixed on the side of the insert block away from the slot, and the interference layer is fixedly connected to the sidewall of the interference connection block.

As a further technical solution of the present invention, the upper end of the fixed column is rotatably provided with a rotating column, the boom is fixedly connected to the outer side wall of the rotating column, a moving block is movably arranged on the boom, and an electric hoist is fixed at the bottom of the moving block. An electrified wire is connected between the column and the moving block.

As a further technical solution of the present invention, the winding mechanism includes a winding drum rotatably arranged on the side wall of the reinforcing plate, a driving box for driving the winding drum to rotate is fixedly arranged on the upper end surface of the flat plate, and the energized wire rotates through the winding The outer side wall of the cylinder and the outer side wall of the energized wire are fixedly sleeved with two limit collars, and the limit collars are in contact with the side wall of the winding drum. A clamp is sleeved on the inner wall of the winding drum.

As a further technical solution of the present invention, the guide assembly includes a T-shaped chute on the inner top of the boom, and a plurality of T-shaped sliding blocks are slidably connected in the T-shaped sliding groove, and the lower surface of the T-shaped sliding block is rotatably provided with A plurality of balls, a lower connecting block is fixed on the bottom of the T-shaped slider, a guide block is fixed on the side wall of each lower connecting block, and the energized wire moves through the plurality of guide blocks.

Beneficial effects of the present invention:

1. Since there is a certain gap between the middle arc scraper and the outer side wall of the guide ring, when the middle arc scraper is moving, it will remove impurities such as rust stains on the guide ring. There is also a certain gap between the scraper and the outer side wall of the driving wheel. When the driving wheel rotates, the rust and other impurities on the outer side wall of the driving wheel will also be removed by the set side arc scraper, so as to avoid the The existence of impurities such as rust stains affects the transmission between the drive wheel and the guide ring, thereby affecting the use effect of the crane, so that the crane has the function of self-cleaning while hoisting goods.

2. When the impurities such as rust stains on the outer side wall of the guide ring are scraped, some debris will adhere to the outer side wall of the guide ring. At this time, when the rotating arm moves with the plate, the contact layer will Wipe the outer side wall of the guide ring to further ensure the cleanliness of the outer side wall of the guide ring and avoid affecting the use effect of the crane.

3. When the moving block with the electric hoist is in a position close to the fixed column, the winding drum at this time is in the winding state, and the energized wire in the suspended state between the moving block and the winding drum is wound and wound to the winding state. On the drum, when the moving block moves forward with the energized wire, the winding drum rotates in the opposite direction, releasing part of the energized wire used with the moving block to avoid the energized wire hanging on the boom, resulting in the occurrence of the moving block and the electric hoist. In the process of moving the door, the problem of colliding with the energized wire ensures the safety of the crane when it is used.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the connection schematic diagram of the rotating arm and the resistance layer of the present invention;

3 is a schematic diagram of the connection between the middle mounting plate and the middle mounting column of the present invention;

Fig. 4 is the connection schematic diagram of the interference layer and the interference connection block of the present invention;

Fig. 5 is the connection schematic diagram of the moving block and electric hoist of the present invention;

6 is a schematic diagram of the connection between the energized wire and the limit collar of the present invention;

FIG. 7 is a schematic diagram of the connection between the T-shaped slider of the present invention and the lower connecting block.

In the picture: 1. Fixed column; 2. Boom; 3. Reinforcing plate; 4. Flat plate; 5. Guide ring; 6. Driving wheel; 7. Middle mounting plate; 8. Middle mounting column; 9. Middle arc scraper ; 10, side mounting plate; 11, side mounting post; 12, side arc scraper; 13, rotating arm; 14, contact layer; 15, tension spring; 16, insert; 17, elastic protrusion; 18. Interfering connection block; 19. Rotating column; 20. Moving block; 21. Electric hoist; 22. Electric wire; 23. Winding drum; 24. Driving box; ; 27. Lower connecting block; 28. Guide block.

Detailed ways

In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific embodiments, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

1 to 7 , a multifunctional cantilever crane includes a fixed column 1 on which a jib 2 is rotatably arranged, a reinforcing plate 3 is fixed on the bottom of the jib 2, and a flat plate 4 is fixed on the bottom of the reinforcing plate 3 , a guide ring 5 is fixed on the outer side wall of the fixed column 1, and two driving wheels 6 are arranged symmetrically at the bottom of the flat plate 4. A motor is provided for driving the driving wheel 6 to rotate, and the motor drives the driving wheel 6 to rotate. Under the action of friction, the driving wheel 6 moves on the surface of the guide ring 5, thereby driving the reinforcing plate 3 and the boom 2 to produce corresponding movement , cooperate with the electric hoist 21 to complete the hoisting and transfer of the goods, the upper end of the fixed column 1 is rotated and provided with a rotating column 19, the boom 2 is fixedly connected with the outer side wall of the rotating column 19, and the moving block 20 is movably provided on the boom 2. The moving block An electric hoist 21 is fixed at the bottom of 20, and the moving block 20 can move forward and backward on the boom 2 with the electric hoist 21, so that the electric hoist 21 can hoist and transfer the hoisted goods to the designated position. A conducting wire 22 is connected between them for controlling the forward and backward movement of the moving block 20. The above structures are all in the prior art.

The bottom of the flat plate 4 is fixed with an intermediate mounting plate 7, the side wall of the intermediate mounting plate 7 is fixed with an intermediate mounting column 8, and the end of the intermediate mounting column 8 away from the intermediate mounting plate 7 is fixed with an intermediate arc scraper 9 for use with the guide ring 5. , there is a gap between the middle arc scraper 9 and the guide ring 5, the side mounting plates 10 are fixed on both sides of the middle mounting plate 7, and the side mounting posts 11 are fixed on the side walls of the side mounting plate 10. A side arc scraper 12 for use with the drive wheel 6 is fixed at one end of the mounting column 11 away from the side mounting plate 10. There is also a gap between the side arc scraper 12 and the drive wheel 6. When the drive wheel 6 drives the flat plate 4 to move, During the process, the middle arc scraper 9 and the side arc scraper 12 will also move together with the flat plate 4. Since there is a certain gap between the middle arc scraper 9 and the outer wall of the guide ring 5, when the middle arc scraper 9 is in the During the moving process, impurities such as rust stains adhered on the guide ring 5 will be removed. Since there is also a certain gap between the side arc scraper 12 and the outer side wall of the driving wheel 6, when the driving wheel 6 rotates, The rust and other impurities on the outer side wall of the drive wheel 6 will also be removed by the provided side arc scraper 12, so as to avoid the existence of rust and other impurities in this part, which will affect the transmission between the drive wheel 6 and the guide ring 5. Thus affecting the use effect of the crane.

The bottom of the flat plate 4 is provided with an interference mechanism for use with the guide ring 5, and the upper end surface of the flat plate 4 is provided with a winding mechanism. Both are provided with a resistance layer 14, the resistance layer 14 is in contact with the outer side wall of the guide ring 5, a spring mounting seat is fixed on the inner side wall of the two rotating arms 13, and a tension spring 15 is fixed between the two spring mounting seats, The tension spring 15 is in a stretched state. At this time, the two abutting layers 14 are in contact with the outer side wall of the guide ring 5. When impurities such as rust stains adhered on the outer side wall of the guide ring 5 are scraped, there will be some debris. Adhering to the outer side wall of the guide ring 5, at this time, during the movement of the rotating arm 13 following the flat plate 4, the friction layer 14 will wipe the outer side wall of the guide ring 5 to further ensure the cleanliness of the outer side wall of the guide ring 5, Avoid affecting the use effect.

A slot is fixed at the end of each rotating arm 13, and each slot is fitted with an insert block 16, and a plurality of elastic protrusions 17 are provided on both sides of the insert block 16, and the inner side wall of the slot is provided with There are a plurality of elastic card slots for use with the elastic protrusions 17, the side of the insertion block 16 away from the slot is fixed with an interference connection block 18, and the interference layer 14 is fixedly connected with the side wall of the interference connection block 18. After the slot is placed in the slot, through the cooperation of the elastic protrusion 17 and the elastic card slot, the elastic card slot can limit and fix the elastic protrusion 17 and the insertion block 16, so as to avoid shaking of the friction layer 14 during use. Affecting the use effect, when the interference layer 14 is used to a certain extent and needs to be replaced, the insert block 16 can be pulled out from the slot and replaced with a new one.

The winding mechanism includes a winding drum 23 rotatably arranged on the side wall of the reinforcing plate 3. The upper end surface of the flat plate 4 is fixedly provided with a driving box 24 for driving the winding drum 23 to rotate, and the winding drum 23 rotates through the bearing through the winding drum. On the outer side wall of 23, the outer side wall of the energized wire 22 is fixedly sleeved with two limit collars 25, the limit collar 25 is in contact with the side wall of the winding drum 23, and the suspension arm 2 is provided with a matching energized wire 22. The guide assembly used, the inner wall of the winding drum 23 is sleeved with a clamp, and the winding drum 23 on the inner surface of the winding drum 23 is clamped into the clamp together, and the clamp is locked and hugged on the inner surface of the winding drum 23. The inner surface rotates along with the winding drum 23, and the redundant energized wires 22 are wound on the inner wall of the winding drum 23. When the moving block 20 with the electric hoist 21 is in a position close to the fixed column 1, the winding at this time The drum 23 is in the winding state, and the energized wire 22 in the suspended state between the moving block 20 and the winding drum 23 is wound up and wound on the winding drum 23. When the moving block 20 moves forward with the energized wire 22, The winding drum 23 rotates in the opposite direction, and releases part of the energized wire 22 used in conjunction with the moving block 20 to prevent the energized wire 22 from hanging on the boom 2, resulting in the collision between the moving block 20 and the electric hoist 21 in the process of moving the door. The problem of the wire 22 ensures the safety of the crane when it is used.

The guide assembly includes a T-shaped chute opened at the top of the boom 2, and a plurality of T-shaped sliding blocks 26 are slidably connected in the T-shaped sliding groove. The lower surface of the T-shaped sliding block 26 is rotated and provided with a plurality of balls. A lower connecting block 27 is fixed at the bottom of the block 26, a guide block 28 is fixed on the side wall of each lower connecting block 27, and the energizing wire 22 is movable through the plurality of guide blocks 28, and the T-shaped slider 26 and the T-shaped sliding block 26 are provided. The cooperation of the chutes enables the plurality of guide blocks 28 to move left and right on the inner top of the reinforcing plate 3 to receive the energized wires 22 to prevent the energized wires 22 from hanging down and affecting the movement of the moving block 20 and the electric hoist 21 .

When the present invention is in use, when the drive wheel 6 drives the plate 4 to move, the middle arc scraper 9 and the side arc scraper 12 will also move together with the plate 4. There is a certain gap between the walls. When the middle arc scraper 9 is moving, it will remove impurities such as rust stains on the guide ring 5. Because the side arc scraper 12 and the outer wall of the drive wheel 6 There is also a certain gap between them. When the driving wheel 6 rotates, the rust stains and other impurities on the outer side wall of the driving wheel 6 will also be removed by the provided side arc scraper 12, so as to avoid impurities such as rust stains in this part. Existence, affects the transmission between the drive wheel 6 and the guide ring 5, thereby affecting the use effect of the crane;

When the moving block 20 with the electric hoist 21 is in a position close to the fixed column 1, the winding drum 23 is in the winding state at this time, and the energized wire 22 in the suspended state between the moving block 20 and the winding drum 23 is retracted The coil is wound on the winding drum 23. When the moving block 20 moves forward with the energized wire 22, the winding drum 23 rotates in the reverse direction, and part of the energized wire 22 used with the moving block 20 is released to prevent the energized wire 22 from hanging over. On the boom 2, the problem that the moving block 20 and the electric hoist 21 collide with the energizing wire 22 during the process of moving the door occurs, so as to ensure the safety of the crane in use.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art , without departing from the scope of the technical solution of the present invention, when the technical content disclosed above can be used to make some changes or modifications to equivalent embodiments of equivalent changes, as long as it does not depart from the technical solution content of the present invention, according to the technical solution of the present invention Substantially any brief modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (6)

1. A multifunctional cantilever crane, comprising a fixed column (1), a jib (2) is rotatably arranged on the fixed column (1), a reinforcing plate (3) is fixed on the bottom of the jib (2), and the reinforcing plate (3) A flat plate (4) is fixed on the bottom of the flat plate (4), a guide ring (5) is fixed on the outer side wall of the fixed column (1), and two driving wheels (6) are arranged symmetrically at the bottom of the flat plate (4). An intermediate mounting plate (7) is fixed on the bottom of the flat plate (4), an intermediate mounting column (8) is fixed on the side wall of the intermediate mounting plate (7), and an end of the intermediate mounting column (8) away from the intermediate mounting plate (7) is fixed. A middle arc scraper (9) for use with the guide rail ring (5) is fixed, side mounting plates (10) are fixed on both sides of the middle mounting plate (7), and the side walls of the side mounting plate (10) are fixed on the side walls There is a side mounting post (11), and one end of the side mounting post (11) away from the side mounting plate (10) is fixed with a side arc scraper (12) for use with the driving wheel (6). The bottom of the flat plate (4) An interference mechanism for use with the guide rail ring (5) is provided, and a winding mechanism is provided on the upper end face of the flat plate (4). 2 . The multifunctional cantilever crane according to claim 1 , wherein the interference mechanism comprises two rotating arms ( 13 ) symmetrically rotatably arranged at the bottom of the flat plate ( 4 ), and each rotating arm ( 13 ) The ends of the two rotating arms (13) are provided with a resistance layer (14), the resistance layer (14) is in contact with the outer side wall of the guide ring (5), and the inner side walls of the two rotating arms (13) are fixed with a spring mounting seat. A tension spring (15) is fixed between the seats. 3. A multifunctional cantilever crane according to claim 2, characterized in that a slot is fixed at the end of each of the rotating arms (13), and each slot is provided with an insert block (16) , a plurality of elastic protrusions (17) are provided on both sides of the insertion block (16), and a plurality of elastic slots for use with the elastic protrusions (17) are opened on the inner side wall of the slot, and the insertion block (16) is far away from An interference connection block (18) is fixed on one side of the slot, and the interference layer (14) is fixedly connected with the side wall of the interference connection block (18). 4. The multifunctional cantilever crane according to claim 1, wherein the upper end of the fixed column (1) is rotatably provided with a rotating column (19), and the jib (2) and the rotating column (19) are provided with a rotating column (19). The outer side walls are fixedly connected, a moving block (20) is movably arranged on the boom (2), an electric hoist (21) is fixed at the bottom of the moving block (20), and a fixed column (1) and the moving block (20) are connected with a Power lead (22). 5 . The multifunctional cantilever crane according to claim 4 , wherein the winding mechanism comprises a winding drum ( 23 ) rotatably arranged on the side wall of the reinforcing plate ( 3 ). 5 . A drive box (24) for driving the winding drum (23) to rotate is fixedly arranged on the upper end surface, the energizing wire (22) rotates and penetrates the outer side wall of the winding drum (23), and the outer side wall of the energizing wire (22) is fixedly sleeved There are two limit collars (25), the limit collars (25) are in contact with the side walls of the winding drum (23), and the suspension arm (2) is provided with a guide assembly for use with the current-carrying wire (22), A clamp is sleeved on the inner wall of the winding drum (23). 6 . The multifunctional cantilever crane according to claim 5 , wherein the guide assembly comprises a T-shaped chute opened on the inner top of the boom (2), and a plurality of T-shaped chute is slidably connected in the T-shaped chute. 7 . A T-shaped slider (26), the lower surface of the T-shaped slider (26) is rotatably provided with a plurality of balls, the bottom of the T-shaped slider (26) is fixed with a lower connecting block (27), and each lower connecting block (27) Guide blocks (28) are fixed on the side walls of the ), and the energizing wires (22) move through the plurality of guide blocks (28).

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