CN211971560U - Column type cantilever crane - Google Patents

Abstract

The utility model discloses a column cantilever crane relates to the technical field of hoist, including stand and couple, the stand upper end is connected with the swinging boom, and the lower fixed surface of swinging boom has a slide rail, and sliding connection has electronic dolly on the slide rail, and the upper surface that the swinging boom is close to stand one end has the hoisting mechanism that the control couple goes up and down, and hoisting mechanism is including connecting the rope, and a side of electronic dolly is rotated and is connected with the fixed pulley, and the fixed pulley below is equipped with the movable pulley, connect the rope walk around fixed pulley and movable pulley in proper order and with electronic dolly fixed connection, connect the rope and keep away from hoisting mechanism's one end and couple and. The problem of when the couple and the heavy object on the couple go up and down, receive inertia's influence probably to bump with other positions of electric block is solved. The utility model discloses have the effect that reduces couple and the heavy object on the couple is by the collision condition.

Description

Column type cantilever crane

Technical Field

The utility model belongs to the technical field of the technique of hoist and specifically relates to a column cantilever crane is related to.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane. The crane can be divided into a portal crane, a bridge crane, a column crane and the like according to the structure and the function, the column crane can realize the lifting of heavy objects, the rotation of the heavy objects can be realized within a certain range, and the crane is more flexible relative to other cranes.

The chinese patent that has bulletin number CN208218248U discloses a column cantilever crane includes the bottom plate, the fixed base that is equipped with in middle part on bottom plate top, the fixed branch that is equipped with in middle part on base top, the fixed hydraulic press that is equipped with in inside on branch top, the hydraulic stem and the spliced pole of hydraulic press rotate to be connected, one side of spliced pole is rotated with the one end of first guide rail and is connected, the pulley sliding connection of first guide rail and electric block, electric block is including the couple that is used for articulating the heavy object, and the couple is located the holistic lower extreme of electric block. When the electric hoist is used, the hook on the electric hoist drives the heavy object to lift.

The above prior art solutions have the following drawbacks: when the hook on the electric hoist drives the heavy object to lift, because the heavy object is inertial when moving, if the heavy object stops suddenly when being close to other positions of the electric hoist, the hook and the heavy object on the hook may continue to rise under the influence of inertia, collide with other positions of the electric hoist, and cause the collision hook.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a column cantilever crane, it has the effect that reduces the heavy object striking hoisting mechanism condition emergence on couple and its couple.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a column cantilever crane, including stand and couple, the stand upper end is connected with the swinging boom, the lower fixed surface of swinging boom has the slide rail, sliding connection has electronic dolly on the slide rail, the upper surface that the swinging boom is close to stand one end installs the hoisting mechanism that the control couple goes up and down, hoisting mechanism is including connecting the rope, a side of electronic dolly rotates and is connected with the fixed pulley, the fixed pulley below is equipped with the movable pulley, connect the rope walk around fixed pulley and movable pulley in proper order and with electronic dolly fixed connection, the one end that hoisting mechanism was kept away from to the rope is articulated with the couple.

By adopting the technical scheme, the upright post is supported on the ground, the connecting rope is hung and connected with the hook, and the hook is always positioned under the movable pulley under the influence of self gravity; when a heavy object needs to be hung, the hoisting mechanism is controlled to receive and release the connecting rope, the connecting rope moves to drive the movable pulley and the hook to move up and down, and at the moment, the fixed pulley rotates under the acting force given by the connecting rope to enable the connecting rope to move more easily, so that the hook rises or falls until reaching the required height and is hung with the heavy object; the electric trolley can slide along the slide rail so as to drive the hook and the heavy object on the hook to move along the direction of the slide rail; the lifting mechanism is positioned on the upper surface of the rotating arm and is far away from the hook, so that the hook and a heavy object on the hook are difficult to collide with the lifting mechanism when the hook is lifted, the possibility of collision with the hook is reduced, and the hook is more stable in hanging the heavy object.

The present invention may be further configured in a preferred embodiment as: one side of the rotating arm is rotatably connected with at least one pair of guide wheels, and the connecting rope is positioned between two guide wheels in each pair of guide wheels.

By adopting the technical scheme, the connecting rope passes through each pair of guide wheels, and the guide wheels provide a guiding function for the movement of the connecting rope; and when the connecting rope moves, the guide wheels in each pair of guide wheels rotate in opposite directions, so that the resistance of the connecting rope during moving is reduced.

The present invention may be further configured in a preferred embodiment as: the lifting mechanism is an electric hoist.

Through adopting above-mentioned technical scheme, thereby the electric block control connects thereby the receive and release of rope and control the lift of couple.

The present invention may be further configured in a preferred embodiment as: the hoisting mechanism is a variable-amplitude winch.

By adopting the technical scheme, the lifting mechanism controls the connection rope to be retracted and lifted to control the hook to lift.

The present invention may be further configured in a preferred embodiment as: the stand includes upper end stand and lower extreme stand, and the upper end and the swinging boom of upper end stand can be dismantled and be connected, and the lower extreme stand of upper end stand can be dismantled and be connected.

By adopting the technical scheme, the lower end upright post, the upper end upright post and the rotating arm are transported to a construction site in sections, so that the transportation is convenient; after the cantilever is arrived at a construction site, the lower end upright post is fixed with the upright post embedded part on the construction site, then the lower end upright post is connected with the upper end upright post, and finally the upper end upright post is connected with the cantilever.

The present invention may be further configured in a preferred embodiment as: the lower extreme of lower extreme stand can be dismantled with the stand built-in fitting that buries in the underground and be connected, and the stand built-in fitting is including burying the steel sheet in the underground, and the last fixed surface of steel sheet is connected with a plurality of lower margins, two at least mounting panels of lower extreme fixedly connected with of lower extreme stand all are equipped with a plurality of mounting holes on every mounting panel, and every lower margin all stretches out ground and pegs graft with the mounting hole on every mounting panel respectively.

Through adopting above-mentioned technical scheme, when installation lower extreme stand, peg graft with the rag that stretches out ground respectively with the mounting hole on two mounting panels to it is fixed with ground to make the lower extreme stand.

The present invention may be further configured in a preferred embodiment as: and a first concrete layer is poured between the mounting plate far away from the upper end upright post and the ground.

Through adopting above-mentioned technical scheme, first concrete layer has strengthened being connected of mounting panel and ground, makes lower extreme stand be connected more firm with ground.

The present invention may be further configured in a preferred embodiment as: the lower end upright post is of a hollow structure, and concrete is poured inside the lower end upright post.

Through adopting above-mentioned technical scheme, after lower extreme stand is connected with ground, to the inside pouring concrete of lower extreme stand, strengthen the quality of lower extreme stand, make the lower extreme stand more firm.

The present invention may be further configured in a preferred embodiment as: and a wall body surrounding the lower end upright post is embedded in the ground, and a second concrete layer is poured between the upper end of the wall body and the lower end upright post.

Through adopting above-mentioned technical scheme, during the installation lower extreme stand, place the lower extreme stand inside the space that the wall body encloses and with ground fixed connection, form the second concrete layer with the pouring between the upper end of wall body and the lower extreme stand afterwards, make wall body and lower extreme stand fixed connection, the wall body gives the certain support of lower extreme stand, makes the lower extreme stand more firm.

The present invention may be further configured in a preferred embodiment as: one side of stand is equipped with the factory building stand, is connected with at least one supporting component on the stand, and supporting component includes two first channel-section steels and two second channel-section steels that surround the stand of the connection all around of stand, connects through two second channel-section steels between two first channel-section steels, and two second channel-section steels are fixed with the side of factory building stand respectively.

Through adopting above-mentioned technical scheme, after the stand is fixed with job site's ground, make two first channel-section steels and two second channel-section steels and stand butt and surround the stand, wherein through two second channel-section steels fixed connection between two first channel-section steels, the one end that makes two second channel-section steels keep away from the stand afterwards is fixed with the side of factory building stand respectively, so supporting component plays the effect of certain auxiliary stay to the stand.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the lifting mechanism is positioned on the upper surface of the rotating arm and is far away from the hook, so that the hook and a heavy object on the hook are difficult to collide with the lifting mechanism during lifting, the possibility of collision of the hook is reduced, and the hook is more stable in hanging the heavy object;

2. the lower end upright post, the upper end upright post and the rotating arm are transported to a construction site in sections, so that the transportation is convenient;

3. the supporting component plays a certain auxiliary supporting role for the upright post.

Drawings

FIG. 1 is a schematic view of a pillar structure according to an embodiment.

Fig. 2 is a schematic structural view of a rotating mechanism according to an embodiment.

Fig. 3 is a schematic structural diagram of a hoisting mechanism in the embodiment.

FIG. 4 is a schematic structural diagram of a column embedment of the embodiment.

FIG. 5 is a schematic view of an embodiment of a one-piece mounting plate structure.

Fig. 6 is a schematic structural diagram of a variable amplitude winch according to an embodiment.

In the figure, 1, a column; 11. a flange plate; 111. a fixing hole; 12. reinforcing ribs; 13. concrete; 14. a first concrete layer; 15. a second concrete layer; 2. an upper end upright post; 21. a transition plate; 22. maintaining the platform; 23. placing the plate; 3. a lower end upright post; 31. mounting a plate; 32. a reinforcing plate; 33. mounting holes; 4. a rotating arm; 41. a slide rail; 42. an electric trolley; 43. an installation table; 5. a rotation mechanism; 51. a drive motor; 52. a first gear; 53. a connecting plate; 54. connecting blocks; 55. a support plate; 56. a drive shaft; 57. a second gear; 6. a hoisting mechanism; 61. hooking; 62. an electric hoist; 63. connecting ropes; 64. a fixed pulley; 65. a movable pulley; 66. a guide wheel; 67. a variable amplitude winch; 7. an upright post embedded part; 71. a steel plate; 72. ground feet; 8. a wall body; 81. an inlet; 82. a plant column; 9. a support assembly; 91. a first channel steel; 92. a second channel steel; 10. a straight ladder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as fig. 1, for the utility model discloses a column swinging boom hoist, including stand 1, stand 1 includes lower extreme stand 3, and the upper end of lower extreme stand 3 can be dismantled and be connected with upper end stand 2, and the diameter of upper end stand 2 is less than the diameter of lower extreme stand 3, and the upper end of upper end stand 2 can be dismantled and be connected with 4 pivoted rotary mechanism 5 of control swinging boom on being connected with swinging boom 4 and the upper end stand 2. The lower surface of the rotating arm 4 is provided with a slide rail 41, and an electric trolley 42 (prior art) is connected to the slide rail 41 in a sliding manner. The electric trolley 42 is connected with a hook 61 (see fig. 3), one end of the rotating arm 4 close to the upper end upright post 2 is provided with a lifting mechanism 6, and the lifting mechanism 6 controls the hook 61 to lift.

As shown in figure 1, when in use, the lower end upright post 3, the upper end upright post 2 and the rotating arm 4 are transported to a construction site in sections, and the transportation is convenient. After the construction site is reached, the lower end upright post 3 is fixed with the ground, and then the lower end upright post 3 is connected with the upper end upright post 2, so that the upper end upright post 2 is connected with the rotating arm 4. After the installation is finished, a heavy object is hung on the hook 61 (see fig. 3), the lifting mechanism 6 is controlled to control the hook 61 and the heavy object on the hook 61 to lift, the electric trolley 42 is controlled to slide along the sliding rail 41 to control the hook 61 and the position of the heavy object on the hook 61 to move, the rotating mechanism 5 is controlled to control the rotating arm 4 to rotate, and the rotating arm 4 rotates to drive the hook 61 and the heavy object on the hook 61 to move through rotation.

As shown in fig. 2, the upper end upright 2 and the lower end upright 3 are both hollow. The rotating mechanism 5 comprises a driving motor 51 positioned inside the upper end upright post 2, the driving motor 51 is fixedly connected with the inner side wall of the upper end upright post 2, the driving motor 51 is close to the rotating arm 4, and the output shaft of the driving motor 51 is vertically upward. The upper end of the upper end upright post 2 is fixedly connected with a transition plate 21, and a plurality of reinforcing ribs 12 are arranged between the transition plate 21 and the upper end upright post 2 to strengthen the connection between the transition plate 21 and the upper end upright post 2. An output shaft of the driving motor 51 penetrates through the transition plate 21 and is fixedly connected with a first gear 52, the first gear 52 is rotatably connected with the transition plate 21, and the upper end face of the first gear 52 is rotatably connected with a circular connecting plate 53. The upper surface of the connecting plate 53 is fixedly connected with a connecting block 54, and the upper surface of the connecting block 54 is fixedly connected with a supporting plate 55.

As shown in fig. 2, the support plate 55 is fastened to the rotary arm 4 by a bolt. A driving shaft 56 is fixedly connected to the lower surface of the rotating arm 4, a second gear 57 is fixedly connected to one end of the driving shaft 56 far away from the rotating arm 4, and the second gear 57 is meshed with the first gear 52. When the driving motor 51 is started, the driving motor 51 drives the first gear 52 to rotate on the transition plate 21, the first gear 52 rotates to drive the second gear 57 to rotate, because the connecting plate 53 is rotationally connected with the first gear 52, and when the second gear 57 rotates to drive the driving shaft 56 to rotate, the rotating arm 4 can rotate around the axis of the first gear 52, and the rotating arm 4 rotates to drive the hook 61 (see fig. 3) and the weight on the hook 61 to move positions through rotation.

As shown in fig. 2 and 3, the hoisting mechanism 6 is an electric hoist 62, an installation table 43 is arranged at one end of the rotating arm 4 close to the upper end upright post 2, the installation table 43 is positioned on the upper surface of the rotating arm 4, the electric hoist 62 is installed on the installation table 43, a fixed pulley 64 is rotatably connected to one side surface of the electric trolley 42, and a movable pulley 65 is arranged below the fixed pulley 64. The electric hoist 62 comprises a connecting rope 63, and the connecting rope 63 wound on the electric hoist 62 extends out of the electric hoist 62 and passes through a fixed pulley 64 and a movable pulley 65 in sequence and is fixed on the electric trolley 42. The hook 61 is hung on the connecting rope 63 through a hanging ring (not shown in the figure), can slide on the connecting rope 63, and when the movable pulley 65 goes up and down, the hook 61 slightly slides on the connecting rope 63 under the influence of self gravity and is always positioned right below the movable pulley 65. Electric block 62 is located mount table 43, and is far away from couple 61, therefore the heavy object on couple 61 and its couple 61 is difficult to bump with electric block 62 when going up and down, reduces the possibility of hitting the hook, makes couple 61 articulate the heavy object more firmly.

As shown in fig. 3, two pairs of guide wheels 66 are rotatably connected to one side of the rotating arm 4, two guide wheels 66 of each pair of guide wheels 66 are disposed up and down, and the two pairs of guide wheels 66 are disposed near the electric block 62. The connecting rope 63 passes between each pair of guide wheels 66, and the guide wheels 66 provide a guide function for the movement of the connecting rope 63.

As shown in fig. 3, when the electric hoist 62 is started to control the connection rope 63 to be retracted, the connection rope 63 moves to drive the movable pulley 65 and the hook 61 to move up and down. At this time, the fixed pulley 64 is driven by the connecting rope 63 to rotate, and the fixed pulley 64 and the guide pulley 66 rotate to reduce the resistance of the connecting rope 63 to move.

As shown in fig. 2, a flange 11 is disposed at the lower end of the upper column 2, a plurality of reinforcing ribs 12 are fixed around the flange 11, and the reinforcing ribs 12 are fixedly connected with the upper column 2, so that the flange 11 is more stably connected with the upper column 2. The upper end of the lower end upright post 3 is also provided with a flange 11, and a plurality of reinforcing ribs 12 are fixed between the flange 11 and the lower end upright post 3. Each flange plate 11 is provided with a plurality of fixing holes 111, when a crane is installed on a construction site, bolts penetrate through the flange plate 11 of the upper end upright post 2 and the flange plate 11 on the lower end upright post 3 and then tighten nuts, and then the flange plate 11 on the upper end upright post 2 is welded with the flange plate 11 on the lower end upright post 3, so that the connection between the two is more stable.

As shown in fig. 4 and 5, two circular mounting plates 31 with a diameter larger than that of the lower column 3 are fixedly connected to the lower end of the lower column 3, the inner side wall of each mounting plate 31 is connected to the outer side wall of the lower column 3, a plurality of reinforcing plates 32 are fixedly connected between the two mounting plates 31, and a plurality of mounting holes 33 corresponding to the positions of the two mounting plates 31 are respectively arranged on the two mounting plates 31. Be equipped with stand built-in fitting 7 in the ground of job site, stand built-in fitting 7 is including burying steel sheet 71 in the ground, and the last fixed surface of steel sheet 71 is connected with the lower margin 72 that corresponds with mounting hole 33 quantity on every mounting panel 31, and every lower margin 72 all stretches out ground and pegs graft with mounting hole 33 on two mounting panels 31. The mounting plate 31 close to the ground is flush with the lower surface of the lower end upright post 3, and in order to strengthen the connection between the lower end upright post 3 and the ground, a first concrete layer 14 is poured between the mounting plate 31 close to the ground and the ground.

As shown in fig. 4, after the lower end upright 3 is connected to the ground, concrete 13 is poured into the lower end upright 3 to enhance the quality of the lower end upright 3, so that the lower end upright 3 is more stable.

As shown in fig. 4, a rectangular and hollow wall 8 is embedded in the ground of the construction site, the upper end of the wall 8 extends out of the ground and is vertically bent towards the cavity enclosed by the wall 8, and a square inlet 81 is reserved at the upper end of the wall 8. The lower end upright post 3 enters the cavity surrounded by the wall body 8 from the inlet 81 and is fixed with the ground, and after the lower end upright post 3 is fixed with the ground, the inlet 81 is poured to form a second concrete layer 15 so as to fixedly connect the wall body 8 with the lower end upright post 3, so that the lower end upright post 3 is more stably connected with the ground.

As shown in figure 1, the ground of the construction site is fixedly connected with a plant upright 82 arranged in the vertical direction, and the plant upright 82 is connected with a supporting component 9 which plays a role in supporting the upright 1. The supporting component 9 includes two first channel-section steels 91 and two second channel-section steels 92 surrounding the stand 1 all around, and through two second channel-section steels 92 fixed connection between two first channel-section steels 91, the second channel-section steel 92 is longer than first channel-section steel 91, and the one end that stand 1 was kept away from to two second channel-section steels 92 respectively with the side fixed connection of factory building stand 82. The two first channel steels 91 and the two second channel steels 92 are respectively abutted against the column 1. Supporting component 9 is equipped with three groups from top to bottom along factory building stand 82 in proper order, and wherein a set of supporting component 9 supports upper end stand 2, and two sets of supporting component 9 support lower extreme stand 3.

As shown in fig. 1 and 2, the upper-end upright 2 is connected with a maintenance platform 22 for overhauling the rotating mechanism 5, the side surface of the upper-end upright 2 is fixedly connected with a circular placing plate 23, a plurality of reinforcing ribs 12 are also fixedly connected between the lower surface of the placing plate 23 and the upper-end upright 2, and the reinforcing ribs 12 strengthen the connection between the placing plate 23 and the upper-end upright 2. The upper surface of the placing plate 23 is fixedly connected with the maintenance platform 22, and one end of the maintenance platform 22 close to the plant column 82 is fixedly connected with the plant column 82.

As shown in fig. 1, a vertical ladder 10 is fixed on one side of the plant column 82, and the height of the vertical ladder 10 extends from the ground to the maintenance platform 22, so that the worker can conveniently climb the vertical ladder 10 to reach the maintenance platform 22.

The implementation principle of the embodiment is as follows: firstly, the lower end upright post 3, the upper end upright post 2 and the rotating arm 4 are transported to a construction site in a segmented mode, then the lower end upright post 3 penetrates through the inlet 81 to enter a cavity defined by the wall body 8, and the mounting holes 33 in the two mounting plates 31 are respectively connected with the corresponding anchor feet 72 in an inserting mode. And then, a first concrete layer 14 is poured between the mounting plate 31 close to the ground and the ground, concrete 13 is poured inside the lower-end upright post 3, and then a second concrete layer 15 is formed at the inlet 81 of the wall body 8 in a pouring mode, so that the wall body 8 is fixedly connected with the lower-end upright post 3.

The flange 11 at the lower end of the upper end upright 2 is then lapped over the flange 11 at the upper end of the lower end upright 3, and the two flanges 11 are bolted together, and then the two flanges 11 are welded together. Next, the lower surface of the rotating arm 4 is lapped on the upper surface of the support plate 55, and then the rotating arm 4 and the support plate 55 are fastened by a bolt. And finally, the two first channel steels 91 and the two second channel steels 92 wrap the stand column 1 and fix the stand column two by two, so that one ends, far away from the stand column 1, of the two second channel steels 92 are fixedly connected with the side faces of the plant stand column 82 respectively. The supporting assemblies 9 are sequentially arranged in three numbers from top to bottom along the plant upright 82.

When the crane is required to hoist a heavy object, the electric hoist 62 is controlled to enable the hook 61 to descend to a required height and to be hooked with the heavy object, then the electric hoist 62 is controlled to enable the hook 61 and the heavy object on the hook 61 to ascend to the required height, and the electric trolley 42 and the rotating mechanism 5 are controlled to enable the hook 61 and the heavy object on the hook 61 to move and rotate to a specified position along the horizontal direction. And finally, controlling the electric hoist 62 to enable the hook 61 to descend to a position where the heavy object falls on the required position, and enabling the heavy object to be separated from the hook 61.

Example two:

as fig. 6, for the utility model discloses a column swinging boom hoist, the difference with embodiment one lies in that hoisting mechanism 6 is become width of cloth hoist engine 67, becomes width of cloth hoist engine 67 and installs on mount table 43, becomes width of cloth hoist engine 67 including connecting rope 63.

As shown in fig. 3 and 6, the connecting rope 63 wound on the luffing winch 67 extends from the luffing winch 67 and passes through the fixed pulley 64 and the movable pulley 65 in sequence and is fixed on the electric trolley 42. When the crane is required to hoist heavy objects, the amplitude-variable winch 67 is controlled to lift the hook 61.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a column cantilever crane, includes stand (1) and couple (61), and stand (1) upper end is connected with swinging boom (4), and the lower fixed surface of swinging boom (4) has slide rail (41), and sliding connection has electronic dolly (42), its characterized in that on slide rail (41): the upper surface that swivel arm (4) is close to stand (1) one end has hoisting mechanism (6) that control couple (61) goes up and down, hoisting mechanism (6) are including connecting rope (63), a side of electronic dolly (42) rotates and is connected with fixed pulley (64), fixed pulley (64) below is equipped with movable pulley (65), connect rope (63) walk around fixed pulley (64) and movable pulley (65) in proper order and with electronic dolly (42) fixed connection, the one end that hoisting mechanism (6) were kept away from in connection rope (63) articulates with couple (61).

2. A column jib crane according to claim 1 wherein: one side of the rotating arm (4) is rotatably connected with at least one pair of guide wheels (66), and the connecting rope (63) is positioned between the two guide wheels (66) in each pair of guide wheels (66).

3. A column jib crane according to any of claims 1 to 2 wherein: the lifting mechanism (6) is an electric hoist (62).

4. A column jib crane according to any of claims 1 to 2 wherein: the hoisting mechanism (6) is a variable-amplitude winch (67).

5. A column jib crane according to claim 1 wherein: the stand (1) includes upper end stand (2) and lower extreme stand (3), and the upper end and the swinging boom (4) of upper end stand (2) can be dismantled and be connected, and the lower extreme stand (3) of upper end stand (2) can be dismantled and be connected.

6. A column jib crane according to claim 5 wherein: the lower extreme of lower extreme stand (3) can be dismantled with the stand built-in fitting (7) of burying in the underground and be connected, and stand built-in fitting (7) are including burying steel sheet (71) in the underground, and the last fixed surface of steel sheet (71) is connected with a plurality of lower feet (72), two at least mounting panels (31) of lower extreme fixedly connected with of lower extreme stand (3) all are equipped with a plurality of mounting holes (33) on every mounting panel (31), and every lower foot (72) all stretch out ground and peg graft with mounting hole (33) on every mounting panel (31) respectively.

7. A column jib crane according to claim 6 wherein: a first concrete layer (14) is poured between the mounting plate (31) far away from the upper end upright post (2) and the ground.

8. A column jib crane according to claim 7 wherein: the lower end upright post (3) is of a hollow structure, and concrete (13) is poured inside the lower end upright post.

9. A column jib crane according to any of claims 5 to 7 wherein: a wall body (8) surrounding the lower end upright post (3) is embedded in the ground, and a second concrete layer (15) is poured between the upper surface of the wall body (8) and the side wall of the lower end upright post (3).

10. A column jib crane according to any of claims 5 to 7 wherein: one side of stand (1) is equipped with factory building stand (82), is connected with at least one supporting component (9) on stand (1), and supporting component (9) include two first channel-section steels (91) and two second channel-section steels (92) that connect all around of stand (1) surround stand (1), are connected through two second channel-section steels (92) between two first channel-section steels (91), and two second channel-section steels (92) are fixed with the side of factory building stand (82) respectively.

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