CN218754683U

CN218754683U - Column type cantilever crane

Info

Publication number: CN218754683U
Application number: CN202223207722.3U
Authority: CN
Inventors: 孙庆; 周子龙
Original assignee: Henan Haoli Crane Co ltd
Current assignee: Henan Haoli Crane Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-28
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a column cantilever crane relates to hoist technical field, specifically is a column cantilever crane, including first stand, the lateral surface of hollow support square platform rotates and is connected with first supporting shaft. This column cantilever crane, setting through spacing dish, make this column cantilever crane possess and prevented that first supporting shaft from taking place the effect of rocking when rotating along hollow support square platform, through first supporting shaft, the cooperation setting of fan-shaped post and first spacing post, one side that can make four single arcwall face support long plates at the coplanar with the bottom of hollow support square platform in the in-process that uses, the high mesh of security has been reached, setting through the spacing long plate of second, make this column cantilever crane possess and prevent that first spacing long plate from breaking away from the effect of first supporting block, through first spacing long plate, the cooperation setting of first spring and the spacing post of third, long service life's purpose has been reached.

Description

Column type cantilever crane

Technical Field

The utility model relates to a hoist technical field specifically is a column cantilever crane.

Background

The crane is a multi-action crane for vertically and horizontally transporting heavy objects within a certain range, also called a crown block, a gantry crane and a crane, the crane mainly comprises a hoisting mechanism, an operating mechanism, an amplitude-changing mechanism, a slewing mechanism, a metal structure and the like, the hoisting mechanism is a basic operating mechanism of the crane, mostly consists of a hoisting system and a crane, the operating mechanism is used for longitudinally and horizontally transporting heavy objects or adjusting the working position of the crane and generally consists of a motor, a reducer and wheels, the amplitude-changing mechanism is only arranged on a jib crane and is divided into a balanced amplitude-changing mechanism and a non-balanced amplitude-changing mechanism, the slewing mechanism is used for enabling a jib to slew, the slewing mechanism consists of a driving device and a slewing bearing device, the metal structure is a framework of the crane, main bearing parts such as the bearing part, the jib and the portal frame can be of a box-shaped structure or a bridge frame structure, and in the field of loading and unloading goods, in order to meet the loading and unloading requirements, the rotation of goods within a certain range is required.

The utility model discloses a column cantilever crane disclosed in chinese utility model patent application publication No. CN 211971560U, though, this column cantilever crane can transport conveniently, however, this column cantilever crane, in the process of using, the area of contact between its bottom and the ground is difficult to be increased, lead to it to reduce the steadiness because of area of contact is undersize between bottom and the ground when being installed subaerial easily, and the rigidity of its crossbeam is difficult to be increased indirectly, lead to it to take place to damage because of the crossbeam fracture easily when hoisting heavier goods, to sum up, this column cantilever crane, there is the not too high and not too long shortcoming of life of security.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a column cantilever crane has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a column type cantilever crane comprises a first column, wherein a hollow supporting square platform is arranged on the outer surface of the first column, a first limiting groove and a second limiting groove are respectively formed in the outer side surface of the hollow supporting square platform, a first supporting shaft is rotatably connected to the outer side surface of the hollow supporting square platform, a single-cambered surface supporting long plate is arranged on the outer surface of the first supporting shaft, a first supporting column is arranged at one end of the first supporting shaft, a fan-shaped column is arranged on the outer surface of the first supporting column, a first limiting column is in threaded connection with one side of the fan-shaped column, the first limiting column is in threaded connection with the first limiting groove and the second limiting groove respectively, the first supporting column, the fan-shaped column and the first supporting shaft are rotatably connected with the hollow supporting square platform, and the single-cambered surface supporting long plate is movably connected with the hollow supporting square platform; the inner part of the first upright post is provided with a first stepping motor, the output end of the first stepping motor is provided with a first speed reducer, the output end of the first speed reducer is provided with a third support shaft, the top of the third support shaft is provided with a first support block, the side surface of the first support block is rotatably connected with a second support shaft, the outer surface of the second support shaft is provided with two limiting long grooves, the two ends of the second support shaft are both provided with a first support vertical plate, the top of the first support block is provided with a support groove, the inner bottom wall of the support groove is provided with a first spring, the top end of the first spring is provided with a support square plate, the lower surface of the support square plate is provided with a first limiting long plate, the first limiting long plate is movably connected with the limiting long grooves, the side surface of the first support block is provided with a first crane cross beam, one end of the first crane cross beam is provided with a first support long plate, the side surface of the first support long plate is rotatably connected with a fourth support shaft, the two ends of the fourth support shaft are both provided with a second support vertical plate, the second support vertical plate is rotatably connected with the first support vertical plate, and the second support vertical plate is connected with the first support vertical plate.

Optionally, one side of first supporting shaft is provided with spacing dish, spacing dish rotates with hollow support square platform to be connected, the quantity that first support column, first spacing post and single cambered surface supported the long board is four.

Optionally, the first supporting shaft penetrates through the hollow supporting square platform, the single-cambered-surface supporting long plate penetrates through part of the hollow supporting square platform, and the first limiting column penetrates through the fan-shaped column.

Optionally, the first speed reducer and the first stepping motor are both electrically connected with the power supply, the first speed reducer is fixedly connected with the first upright column, and the first support block and the third support shaft are both rotatably connected with the first upright column.

Optionally, the second support shaft penetrates through the first support block, a support cylinder is arranged on the side face of the first support block, and the first support vertical plate and the second support shaft are rotatably connected with the support cylinder.

Optionally, the side of the first limit long plate is provided with a second limit long plate, the first limit long plate and the second limit long plate are both connected with the first supporting block in a sliding manner, and the fourth supporting shaft penetrates through the first limit long plate.

Optionally, the number of the limiting long grooves, the first supporting vertical plate and the second supporting vertical plate is two, and one limiting long groove and the other limiting long groove penetrate through each other.

Optionally, the side surface of the second supporting vertical plate is in threaded connection with third limiting columns, the number of the third limiting columns is two, the third limiting columns penetrate through the second supporting vertical plate, and the third limiting columns are in threaded connection with the first supporting vertical plate and the first supporting long plate respectively.

(III) advantageous effects

The utility model provides a column cantilever crane possesses following beneficial effect:

1. this column cantilever crane, setting through spacing dish, make this column cantilever crane possess and prevent that first supporting shaft from taking place the effect of rocking when rotating along hollow support square platform, through first supporting shaft, the cooperation setting of fan-shaped post and first spacing post, in-process that uses can make four single arcwall face support one side of long slab all with the bottom of hollow support square platform at the coplanar, thereby played and increased area of contact's between hollow support square platform and the ground when subaerial installation this device effect, and then played and avoided this device when being installed subaerial because of the area of contact undersize between hollow support square platform and the ground reduce the effect of steadiness, the mesh that has reached the security height.

2. This column cantilever crane, setting through the spacing long slab of second, make this column cantilever crane possess the effect that prevents that first spacing long slab from breaking away from first supporting block, through first spacing long slab, the cooperation setting of first spring and the spacing post of third, the in-process that uses can make and keep fixed between the one end of first supporting riser and the one end of second supporting riser, thereby the effect of indirect increase first crane crossbeam rigidity has been played, and then the effect of avoiding this device to take place to damage because of the fracture of first crane crossbeam when lifting by crane heavier goods has been played, long service life's purpose has been reached.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic view of the front view of the partial sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a first top view of the present invention with a partially cut-away and enlarged structure;

FIG. 5 is a schematic view of a second top view of the present invention with a partially cut-away and enlarged structure;

FIG. 6 is a side view of the present invention in partial cross-sectional structure;

fig. 7 is an enlarged schematic structural view of the point B in fig. 6 according to the present invention.

In the figure: 1. a first crane beam; 2. supporting the square plate; 3. a first supporting vertical plate; 4. a first support block; 5. a support cylinder; 6. a fourth support shaft; 7. a first upright post; 8. the single cambered surface supports the long plate; 9. a hollow supporting square platform; 10. a first support column; 11. a sector column; 12. a first limit groove; 13. a second supporting vertical plate; 14. a first support long plate; 15. a first support shaft; 16. a first limit long plate; 17. a second support shaft; 18. a limiting long groove; 19. a support groove; 20. a first spring; 21. a third limiting column; 22. a limiting disc; 23. a second limit groove; 24. a second limit long plate; 25. a first limit post; 26. a first stepper motor; 27. a first speed reducer; 28. a third support shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution: the utility model provides a column cantilever crane, including first stand 7, the surface of first stand 7 is provided with hollow support square platform 9, first spacing groove 12 and second spacing groove 23 have been seted up respectively to hollow support square platform 9's lateral surface, hollow support square platform 9's lateral surface rotates and is connected with first supporting shaft 15, first supporting shaft 15's surface is provided with single cambered surface support rectangular slab 8, first supporting shaft 15's one end is provided with first support column 10, first support column 10's surface is provided with fan-shaped post 11, one side threaded connection of fan-shaped post 11 has first spacing post 25, first spacing post 25 respectively with first spacing groove 12 and second spacing groove 23 threaded connection, first support column 10, fan-shaped post 11 and first supporting shaft 15 all rotate with hollow support square platform 9 and be connected, single cambered surface support rectangular slab 8 and hollow support square platform 9 swing joint, one side of first support shaft 15 is provided with spacing dish 22, spacing dish 22 rotates with hollow support square platform 9 and is connected, first support column 10, first support column 25 and single cambered surface support square platform 8 are the quantity run through in hollow support square slab 8 in hollow support square platform 9, the hollow support rectangular portion runs through in four hollow support rectangular slab 11, the hollow support square platform portion.

During the use, when need use this device to lift by crane the goods, rotate four first spacing posts 25 respectively, make first spacing post 25 and second spacing groove 23 break away from the connection, rotate four first support columns 10 respectively, make first support column 10, fan-shaped post 11, first supporting shaft 15 and spacing dish 22 all rotate along hollow support square platform 9, spacing dish 22 can prevent that first supporting shaft 15 from taking place to rock when rotating along hollow support square platform 9, make single cambered surface support long plate 8 rotate along hollow support square platform 9 and ground respectively, when four single cambered surface support long plate 8 all contact with ground, first spacing post 25 and first spacing groove 12 correspond to each other, can install this device subaerial this moment, install this device at subaerial in-process, one side homoenergetic of four single cambered surface support long plate 8 can be in the coplanar with the bottom of hollow support square platform 9, make the area of contact between hollow support square platform 9 and the ground can be increased, make this device can avoid because of the high security of this undersize square platform contact area reduction device between hollow support square platform 9 and the ground.

Example 2

Referring to fig. 1 to 7, the present invention provides a technical solution: a column cantilever crane comprises a first column 7, a first stepping motor 26 is arranged inside the first column 7, a first speed reducer 27 is arranged at the output end of the first stepping motor 26, a third supporting shaft 28 is arranged at the output end of the first speed reducer 27, a first supporting block 4 is arranged at the top of the third supporting shaft 28, a second supporting shaft 17 is rotatably connected to the side surface of the first supporting block 4, two limiting long grooves 18 are formed in the outer surface of the second supporting shaft 17, first supporting vertical plates 3 are arranged at the two ends of the second supporting shaft 17, a supporting groove 19 is formed in the top of the first supporting block 4, a first spring 20 is arranged on the inner bottom wall of the supporting groove 19, a supporting square plate 2 is arranged at the top end of the first spring 20, a first limiting long plate 16 is arranged on the lower surface of the supporting square plate 2, the first limiting long plate 16 is movably connected with the limiting long grooves 18, a first crane crossbeam 1 is arranged on the side surface of the first supporting block 4, one end of a first crane beam 1 is provided with a first supporting long plate 14, the side surface of the first supporting long plate 14 is rotatably connected with a fourth supporting shaft 6, both ends of the fourth supporting shaft 6 are provided with second supporting vertical plates 13, the second supporting vertical plates 13 are rotatably connected with first supporting blocks 4, the second supporting vertical plates 13 are movably connected with the first supporting vertical plates 3, a first speed reducer 27 and a first stepping motor 26 are electrically connected with a power supply, the first speed reducer 27 is fixedly connected with first upright posts 7, the first supporting blocks 4 and third supporting shafts 28 are rotatably connected with the first upright posts 7, second supporting shafts 17 penetrate through the first supporting blocks 4, the side surface of the first supporting blocks 4 is provided with supporting cylinders 5, the first supporting vertical plates 3 and the second supporting shafts 17 are rotatably connected with the supporting cylinders 5, the side surface of the first limiting long plate 16 is provided with second limiting long plates 24, the first limiting long plate 16 and the second limiting long plate 24 are both in sliding connection with the first supporting block 4, the fourth supporting shaft 6 penetrates through the first supporting long plate 14, the number of the limiting long grooves 18, the number of the first supporting vertical plate 3 and the number of the second supporting vertical plate 13 are two, one limiting long groove 18 penetrates through the other limiting long groove 18, the side face of the second supporting vertical plate 13 is in threaded connection with a third limiting column 21, the number of the third limiting columns 21 is two, the third limiting column 21 penetrates through the second supporting vertical plate 13, and the third limiting column 21 is in threaded connection with the first supporting vertical plate 3 and the first supporting long plate 14 respectively.

When the device is used, after the device is installed on the ground, the supporting square plate 2 is moved upwards, the first spring 20 is stretched, the first limiting long plate 16 slides along one limiting long groove 18 and the first supporting block 4 respectively, the second limiting long plate 24 slides along the first supporting block 4, the second limiting long plate 24 can prevent the first limiting long plate 16 from separating from the first supporting block 4, when the first limiting long plate 16 is separated from one limiting long groove 18, the first supporting vertical plate 3 is rotated along the supporting cylinder 5, the second supporting shaft 17 rotates along the first supporting block 4 and the supporting cylinder 5 respectively, when the second supporting vertical plate 13 rotates from the vertical state to the horizontal state, the supporting square plate 2 is released, the first spring 20 is changed from the stretching state to the compressing state, the first limiting long plate 16 enters into the other limiting long groove 18, the two third limiting columns 21 are rotated respectively, the third limit columns 21 are disconnected from the first long supporting plate 14, the second vertical supporting plate 13 is rotated to enable the second vertical supporting plate 13 to rotate along the first long supporting plate 14 and the first vertical supporting plate 3 respectively, the fourth supporting shaft 6 rotates along the first long supporting plate 14, when one end of the second vertical supporting plate 13 rotates to be completely overlapped with one end of the first vertical supporting plate 3, the two third limit columns 21 are respectively and reversely rotated to enable the third limit columns 21 to be in threaded connection with the first vertical supporting plate 3, at the moment, the goods can be lifted by the device, after the goods are lifted, when the rotation of the goods is required to be realized within a certain range, the first stepping motor 26 and the first speed reducer 27 are both started, the third supporting shaft 28 and the first supporting block 4 are both rotated along the first upright post 7, the first crane crossbeam 1 is rotated to enable the goods to rotate, and in the process of lifting the device, can keep fixed between the one end of first support riser 3 and the one end of second support riser 13, make the rigidity of first crane crossbeam 1 can be increased by the indirection, make this device can avoid taking place to damage because of first crane crossbeam 1 fracture when lifting by crane heavier goods, make this device long service life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a column cantilever crane, includes first stand, its characterized in that: the outer surface of the first stand column is provided with a hollow supporting square table, the outer side surface of the hollow supporting square table is respectively provided with a first limiting groove and a second limiting groove, the outer side surface of the hollow supporting square table is rotatably connected with a first supporting shaft, the outer surface of the first supporting shaft is provided with a single cambered surface supporting long plate, one end of the first supporting shaft is provided with a first supporting column, the outer surface of the first supporting column is provided with a fan-shaped column, one side of the fan-shaped column is in threaded connection with a first limiting column, the first limiting column is respectively in threaded connection with the first limiting groove and the second limiting groove, the first supporting column, the fan-shaped column and the first supporting shaft are all rotatably connected with the hollow supporting square table, and the single cambered surface supporting long plate is movably connected with the hollow supporting square table; the inner part of the first upright post is provided with a first stepping motor, the output end of the first stepping motor is provided with a first speed reducer, the output end of the first speed reducer is provided with a third supporting shaft, the top of the third supporting shaft is provided with a first supporting block, the side surface of the first supporting block is rotatably connected with a second supporting shaft, the outer surface of the second supporting shaft is provided with two limiting long grooves, two ends of the second supporting shaft are respectively provided with a first supporting vertical plate, the top of the first supporting block is provided with a supporting groove, the inner bottom wall of the supporting groove is provided with a first spring, the top end of the first spring is provided with a supporting square plate, the lower surface of the supporting square plate is provided with a first limiting long plate, the first limiting long plate is movably connected with the limiting long grooves, the side surface of the first supporting block is provided with a first crane cross beam, one end of the first crane cross beam is provided with a first supporting long plate, the side surface of the first supporting long plate is rotatably connected with a fourth supporting shaft, two ends of the fourth supporting shaft are respectively provided with a second supporting vertical plate, the second support is rotatably connected with the first supporting block, and the second supporting vertical plate is movably connected with the first supporting vertical plate.

2. A column jib crane according to claim 1 wherein: one side of first supporting shaft is provided with spacing dish, and spacing dish rotates with hollow support square platform to be connected, and the quantity of first support column, first spacing post and single cambered surface support long slab is four.

3. A column jib crane according to claim 1 wherein: the first supporting shaft penetrates through the hollow supporting square platform, the single-arc-surface supporting long plate penetrates through part of the hollow supporting square platform, and the first limiting column penetrates through the fan-shaped column.

4. A column jib crane according to claim 1 wherein: first speed reducer and first step motor all with power electric connection, first speed reducer and first stand fixed connection, first supporting block and third back shaft all rotate with first stand and be connected.

5. A column jib crane according to claim 1 wherein: the second back shaft runs through in first supporting block, and the side of first supporting block is provided with a supporting cylinder, and first support riser and second back shaft all rotate with a supporting cylinder and are connected.

6. A column cantilever crane according to claim 1, wherein: the side of first spacing long slab is provided with the spacing long slab of second, and first spacing long slab and the spacing long slab of second all with first supporting block sliding connection, the fourth back shaft runs through in the first long slab that supports.

7. A column jib crane according to claim 1 wherein: the number of the limiting long grooves, the first supporting vertical plates and the second supporting vertical plates is two, and one limiting long groove is mutually penetrated through the other limiting long groove.

8. A column jib crane according to claim 1 wherein: the side of the second supporting vertical plate is in threaded connection with two third limiting columns, the third limiting columns penetrate through the second supporting vertical plate, and the third limiting columns are in threaded connection with the first supporting vertical plate and the first supporting long plate respectively.