CN210012519U - Climbing device and self-climbing crane - Google Patents

Abstract

The utility model discloses a climbing device and from climbing crane relates to hoist technical field. The climbing device comprises a climbing mechanism, a supporting mechanism and a driving mechanism. The climbing mechanism is used for climbing along the cylinder wall; the supporting mechanism is movably arranged above the climbing mechanism and is used for being optionally and fixedly connected with the cylinder wall; the driving mechanism is arranged on the climbing mechanism and comprises a driving piece and a transmission piece in transmission connection with the driving piece, one end of the transmission piece is connected with the supporting mechanism, the other end of the transmission piece is connected with the climbing mechanism, and the driving piece is configured to drive the transmission piece to drive the climbing mechanism to be close to or far away from the supporting mechanism; when climbing operation is carried out, the supporting mechanism is fixedly arranged on the cylinder wall and is separated from the climbing mechanism by a preset distance, and the driving piece is configured to drive the driving piece to drive the climbing mechanism to climb towards the direction close to the supporting mechanism. The climbing device has high efficiency and reliability, and can avoid damage to the cylinder wall.

Description

Climbing device and self-climbing crane

Technical Field

The utility model relates to a hoist technical field particularly, relates to a climbing device and from climbing hoist.

Background

At present, onshore wind power hoisting mainly depends on a large crawler crane or a full-ground crane, offshore wind power installation mainly depends on a large offshore hoisting ship, the onshore wind power hoisting and the onshore wind power installation both have the problems of high equipment price, high hoisting construction cost, limited hoisting height and the like, and the large crawler crane also has the problems of inconvenient transition and low installation efficiency. With the continuous development of the capacity of a single fan over 2.0MW and the continuous increase of the height of a hub over 120 m, the traditional tonnage crawler crane or the whole-ground crane is difficult to meet the hoisting requirement of onshore wind power equipment, and needs a crawler crane of over thousand tons frequently, so that the problems of difficult equipment access, multiplied hoisting cost, lengthened hoisting period and the like are caused.

Therefore, with the increase of the height of the hub of the fan and the capacity of a single machine, the self-climbing wind power crane has the advantages of low cost of the whole machine, convenient transportation and transition, unlimited hoisting height and low requirement on an operation site, and is bound to become one of the future development trends.

The current self-climbing crane products and patents mainly focus on the hoop type, and the products have the main defects of low reliability and easy damage to paint on the outer wall of a tower barrel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a climbing device can be used to follow section of thick bamboo wall and climb, and this climbing device's efficiency and reliability are high, and can avoid causing the damage to section of thick bamboo wall.

Another object of the present invention includes providing a self-climbing crane, including the climbing device described above. Therefore, the self-climbing crane is high in reliability and can ensure the safety of the hoisting tower.

The embodiment of the utility model is realized like this:

a climbing device for climbing along a cylindrical wall of a tower, comprising:

the climbing mechanism is used for climbing along the cylinder wall;

the supporting mechanism is movably arranged above the climbing mechanism and is used for being optionally and fixedly connected with the cylinder wall;

the driving mechanism is arranged on the climbing mechanism and comprises a driving piece and a transmission piece in transmission connection with the driving piece, one end of the transmission piece is connected with the supporting mechanism, the other end of the transmission piece is connected with the climbing mechanism, and the driving piece is configured to drive the transmission piece to drive the climbing mechanism to be close to or far away from the supporting mechanism;

when climbing operation is carried out, the supporting mechanism is fixedly arranged on the cylinder wall and is separated from the climbing mechanism by a preset distance, and the driving piece is configured to drive the driving piece to drive the climbing mechanism to climb towards the direction close to the supporting mechanism.

Further, in a preferred embodiment of the present invention, the climbing mechanism is a connecting rod structure, and the connecting rod structure is formed by sequentially hinging a platform, a stand column and a first pull rod, wherein the platform is connected with the supporting mechanism through a transmission member, the stand column is used for being optionally connected with or separated from the cylinder wall, and when the stand column is connected with the cylinder wall, the platform is relatively fixed with the supporting mechanism, and when the stand column is separated from the cylinder wall, the driving member can drive the transmission member to drive the connecting rod structure to climb towards the supporting mechanism.

Further, in the preferred embodiment of the present invention, a plurality of first connecting members are disposed at intervals on the pillar, and the first connecting members are used for being selectively connected to or separated from the cylinder wall.

Further, in the preferred embodiment of the present invention, at least one first roller is disposed on the pillar at intervals, and the first roller is configured to be in rolling engagement with the cylinder wall when the pillar moves toward the supporting mechanism.

Further, in the preferred embodiment of the utility model, the climbing device still includes at least a set of subassembly of holding tightly, holds the subassembly including setting up relatively in two of stand both sides and hold the arm, and two hold and form the space of holding tightly that can be used for holding the section of thick bamboo wall between the arm, every is held and is all connected between arm and the stand and is provided with one and holds the hydro-cylinder, holds the hydro-cylinder and is configured to make and hold the arm and have the trend of holding the section of thick bamboo wall direction motion tightly towards.

Further, in a preferred embodiment of the present invention, each end of the arm is provided with at least one second roller, and the second roller is configured to be in rolling engagement with the cylinder wall when the pillar moves toward the supporting mechanism.

Further, in the preferred embodiment of the present invention, the climbing mechanism further includes a folding cylinder and a second pull rod, the platform, the pillar, the first pull rod and the second pull rod are sequentially hinged, and one end of the folding cylinder is hinged to the second pull rod, and the other end is hinged to the platform, so that the second pull rod can be folded relative to the platform.

Further, in the preferred embodiment of the present invention, the supporting mechanism includes a side wall, a first supporting wall and a second supporting wall, the first supporting wall and the second supporting wall are respectively disposed at two ends of the side wall, and the side wall is provided with a plurality of second connecting members, and the second connecting members are selectively and fixedly connected to or separated from the cylinder wall.

Further, in a preferred embodiment of the present invention, the driving mechanism is a hoisting mechanism, the driving member is a motor, the driving member includes a steel cable and a hoisting roller, the motor and the hoisting roller are disposed on the climbing mechanism, the motor is in transmission connection with the hoisting roller and is used for driving the hoisting roller to rotate, the lower end of the supporting mechanism is provided with a pulley, one end of the steel cable is connected with the hoisting roller, and the other end of the steel cable is fixedly connected with the climbing mechanism after bypassing the pulley;

when the motor drives the winding roller to rotate, the steel rope can be wound on the winding roller, so that the length of the steel rope is shortened, and the climbing mechanism is driven to climb towards the direction of the supporting mechanism.

A self-climbing crane comprising:

the climbing device described above;

and the hoisting arm support is movably arranged on the climbing device and is used for hoisting the tower barrel after the climbing device climbs in place.

The embodiment of the utility model provides an at least possess following advantage or beneficial effect:

an embodiment of the utility model provides a climbing device, this climbing device include climbing mechanism, supporting mechanism and actuating mechanism. The climbing mechanism is used for climbing along the cylinder wall; the supporting mechanism is movably arranged above the climbing mechanism and is used for being optionally and fixedly connected with the cylinder wall; the driving mechanism is arranged on the climbing mechanism and comprises a driving piece and a transmission piece in transmission connection with the driving piece, one end of the transmission piece is connected with the supporting mechanism, the other end of the transmission piece is connected with the climbing mechanism, and the driving piece is configured to drive the transmission piece to drive the climbing mechanism to be close to or far away from the supporting mechanism; when climbing operation is carried out, the supporting mechanism is fixedly arranged on the cylinder wall and is separated from the climbing mechanism by a preset distance, and the driving piece is configured to drive the driving piece to drive the climbing mechanism to climb towards the direction close to the supporting mechanism. Through actuating mechanism's drive effect for when climbing the operation, climbing mechanism can follow section of thick bamboo wall high-efficient motion, thereby can improve climbing device's reliability, avoids causing the damage to section of thick bamboo wall.

The embodiment of the utility model also provides a from climbing crane, including foretell climbing device. Therefore, the self-climbing crane is high in reliability and can ensure the safety of the hoisting tower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first schematic structural diagram of a self-climbing crane according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a self-climbing crane according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram three of a self-climbing crane according to an embodiment of the present invention;

fig. 4 is a schematic view of a connection structure between a self-climbing crane and a tower according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a climbing mechanism of a self-climbing crane according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a supporting mechanism of a self-climbing crane according to an embodiment of the present invention.

Icon: 100-climbing devices; 101-a climbing mechanism; 103-a support mechanism; 105-a drive mechanism; 107-tower drum; 109-a platform; 111-upright post; 113-a first tie rod; 115-a second tie rod; 117 — a first connector; 119-a second connector; 121-a first roller; 123-a second roller; 125-third roller; 129-holding arm; 131-a folding oil cylinder; 133-side wall; 135-a first buttress; 137-a second buttress; 139-hoisting roller; 141-steel cord; 143-hoisting the arm support; 145-enclasping oil cylinder; 147-a turnover cylinder; 149-a pulley; 200-self-climbing crane.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Fig. 1 is a first schematic structural diagram of a self-climbing crane 200 according to the present embodiment; fig. 2 is a structural schematic diagram ii of the self-climbing crane provided in this embodiment; FIG. 3 is a third schematic structural view of the self-climbing crane 200 according to the present embodiment; fig. 4 is a schematic structural diagram of the climbing mechanism 101 of the self-climbing crane 200 according to the embodiment. Referring to fig. 1 and 4, the embodiment provides a self-climbing crane 200, which may be used for hoisting a wind power tower 107.

In detail, in the present embodiment, the self-climbing crane 200 includes a climbing apparatus 100 and a hoisting boom 143. The climbing device 100 is used for climbing along the wall of the tower 107, and the hoisting arm support 143 is movably arranged on the climbing device 100 and used for hoisting the tower 107 after the climbing device 100 climbs in place.

Fig. 5 is a schematic structural diagram of the climbing mechanism 101 of the self-climbing crane 200 according to the embodiment. Referring to fig. 1 to 5, in the present embodiment, a climbing device 100 includes a climbing mechanism 101, a supporting mechanism 103, and a driving mechanism 105.

In detail, the climbing mechanism 101 is used for climbing along the cylinder wall; the support mechanism 103 is movably disposed above the climbing mechanism 101 and is configured to be selectively and fixedly connected with the cylinder wall. The driving mechanism 105 is disposed on the climbing mechanism 101, and the driving mechanism 105 includes a driving element and a transmission element in transmission connection with the driving element, one end of the transmission element is connected to the supporting mechanism 103, the other end of the transmission element is connected to the climbing mechanism 101, and the driving element is configured to drive the transmission element to drive the climbing mechanism 101 to approach or depart from the supporting mechanism 103. When climbing operation is performed, the supporting mechanism 103 is fixedly arranged on the cylinder wall and is spaced from the climbing mechanism 101 by a preset distance, and the driving part is configured to drive the transmission part to drive the climbing mechanism 101 to climb towards the direction close to the supporting mechanism 103. Through the driving action of the driving mechanism 105, when climbing operation is carried out, the climbing mechanism 101 can efficiently move along the cylinder wall, so that the reliability of the climbing device 100 can be improved, and the cylinder wall is prevented from being damaged.

Specifically, when climbing operation is performed, an auxiliary crane may be adopted to mount the whole machine at the bottom of the wind turbine tower drum 107, then the climbing mechanism 101 is connected with the tower drum 107, then the hoisting arm 143 is unfolded and raised to a fixed required angle, the hoisting arm 143 is adopted to fixedly connect the supporting mechanism 103 with a flange at the top of the tower drum 107, then the climbing mechanism 101 may be driven by the driving mechanism 105 to move along the tower drum 107, and after the lifting arm moves to the position of the supporting mechanism 103, the supporting mechanism 103 is separated from the tower drum 107 and placed on the climbing mechanism 101, so as to complete hoisting of the next tower drum 107.

Referring to fig. 5 again, in the embodiment, the climbing mechanism 101 is a link structure, and the link structure is formed by sequentially hinging a platform 109, a column 111 and a first pull rod 113. Through the arrangement of the connecting rod structure, the climbing mechanism 101 can be folded, so that the climbing device 100 occupies less space and is convenient to transport. In detail, the platform 109 is in transmission connection with the supporting mechanism 103 through a transmission element, and meanwhile, the platform 109 can also be used for installing the hoisting arm support 143, so as to facilitate hoisting operation. The upright 111 is used for being selectively connected with or separated from the cylinder wall, when the upright 111 is connected with the cylinder wall, the platform 109 and the supporting mechanism 103 are relatively fixed, and when the upright 111 is separated from the cylinder wall, the driving part can drive the transmission part to drive the connecting rod structure to climb towards the supporting mechanism 103, so that climbing operation is completed.

In detail, a plurality of first connecting pieces 117 are arranged at intervals on the upright 111, preferably, two first connecting pieces 117 arranged at intervals in the vertical direction may be arranged, wherein the first connecting pieces 117 may be latch pieces, wherein the second connecting pieces 119 may also be latch pieces, and the first connecting pieces 117 are used for being optionally connected with or separated from the cylinder wall. Of course, in other embodiments of the present invention, the upright 111 may also be optionally connected or separated from the tower 107 by other connecting components, and the embodiments of the present invention are not limited thereto.

Preferably, in order to facilitate the movement of the climbing mechanism 101, at least one first roller 121 is further disposed on the upright 111 at intervals, and preferably, four first rollers 121 may be disposed, and the four first rollers 121 are disposed at intervals along the vertical direction. A first plurality of rollers 121 may be used to rollingly engage the cartridge wall as the column 111 moves toward the support mechanism 103. The friction between the climbing mechanism 101 and the cylinder wall during movement can also be reduced by the arrangement of the first roller 121, thereby further avoiding damage to the cylinder wall.

It is further preferred that the climbing device 100 further comprises at least one set of clasping assemblies, and preferably that the climbing device 100 comprises two clasping assemblies, and the two clasping assemblies are arranged at intervals in the height direction of the upright 111. Each clasping component comprises two clasping arms 129 which are oppositely arranged on two sides of the upright post 111, a clasping space which can be used for clasping the cylinder wall is formed between the two clasping arms 129, a clasping oil cylinder 145 is connected between each clasping arm 129 and the upright post 111, and the clasping oil cylinder 145 is configured to enable the clasping arms 129 to have the tendency of moving towards the direction of clasping the cylinder wall. Through the setting of embracing the subassembly tightly for when climbing device 100 and section of thick bamboo wall fixed connection, the stability of the two obtains improving, simultaneously through the setting of embracing hydro-cylinder 145 tightly, also can further improve the stability after embracing tightly, can also be convenient for simultaneously to not unidimensional tower section of thick bamboo 107 tightly the operation. Of course, in other embodiments of the present invention, the number of the clasping assemblies can be selected according to the requirement, and the embodiments of the present invention are not limited.

Further, the end of each arm 129 is provided with at least one second roller 123, the second roller 123 being adapted to roll engage the wall of the cylinder when the upright 111 is moved towards the support means 103. The design can further reduce friction during the movement of the climbing mechanism 101, thereby avoiding damaging the cylinder wall. Each holding arm 129 is further provided with a folding cylinder 147, and when the climbing device 100 is in a transportation process, the holding arm 129 can be folded to be close to the upright post 111 through the arrangement of the folding cylinder 147, so that the occupied space is reduced, and the transportation is facilitated.

Referring to fig. 1 to 5 again, in the embodiment, in order to facilitate the folding of the climbing mechanism 101, the climbing mechanism 101 further includes a folding cylinder 131 and a second pull rod 115, one end of the folding cylinder 131 is hinged to the second pull rod 115, and the other end is hinged to the platform 109, so that the second pull rod 115 can be folded relative to the platform 109, thereby facilitating transportation and maintenance.

Fig. 6 is a schematic structural diagram of the supporting mechanism 103 of the self-climbing crane 200 according to the embodiment. Referring to fig. 1 to 6, in the present embodiment, the supporting mechanism 103 includes a side wall 133, a first supporting wall 135 and a second supporting wall 137, wherein the first supporting wall 135 and the second supporting wall 137 are respectively disposed at two ends of the side wall 133, and preferably, are respectively disposed at two ends of the side wall 133 vertically, so that the supporting mechanism 103 is U-shaped. And the side wall 133 is provided with a plurality of second connecting members 119, for example, two second connecting members 119 arranged at intervals in the vertical direction, the second connecting members 119 being used for being selectively fixedly connected with or separated from the cylinder wall.

Preferably, the side wall 133 is further provided with a third roller 125, and the third roller 125 is arranged so that the supporting mechanism 103 is not easy to damage the cylinder wall in the moving process, thereby further ensuring the integrity of the cylinder wall and prolonging the service life.

Referring to fig. 1 to 6 again, the driving mechanism 105 is a hoisting mechanism, the driving element is a motor, the driving element includes a steel rope 141 and a hoisting roller 139, the motor and the hoisting roller 139 are disposed on the climbing mechanism 101, the motor is in transmission connection with the hoisting roller 139 and is used for driving the hoisting roller 139 to rotate, at least one pulley 149 is disposed below the first supporting wall 135 and the second supporting wall 137 of the supporting mechanism 103, one end of the steel rope 141 is connected with the hoisting roller 139, and the other end of the steel rope is fixedly connected with the climbing mechanism 101 after passing around the pulley 149; when the motor drives the winding roller 139 to rotate, the wire rope 141 can be wound on the winding roller 139, so that the length of the wire rope 141 is shortened, and the climbing mechanism 101 is driven to climb towards the supporting mechanism 103.

Preferably, in the embodiment, the number of the driving mechanisms 105 is two, and the two driving mechanisms 105 are respectively disposed corresponding to the first supporting wall 135 and the second supporting wall 137, and the two driving mechanisms 105 are disposed side by side to jointly drive the climbing device 100 to move. Of course, in other embodiments of the present invention, the number of the driving mechanisms 105 may also be selected according to the requirement, and the embodiments of the present invention are not limited.

The working principle of the climbing device 100 and the self-climbing crane 200 according to the embodiment of the present invention is described as follows:

when the climbing device 100 performs climbing operation, an auxiliary crane may be firstly adopted to mount the whole machine at the bottom of a tower 107 of a wind turbine, then the climbing mechanism 101 is connected with the tower 107 through a first connecting piece 117, then the hoisting arm support 143 is unfolded and raised to a fixed required angle, the hoisting arm support 143 is adopted to fixedly connect the supporting mechanism 103 with a flange at the top of the tower 107, then the climbing mechanism 101 may be separated from the tower 107, the climbing mechanism 101 is driven by the driving mechanism 105 to move along the tower 107, and after the climbing mechanism is moved to the position of the supporting mechanism 103, the supporting mechanism 103 is separated from the tower 107 and placed on the climbing mechanism 101, so as to continue hoisting of the next tower 107.

In the process, the self-climbing crane 200 can be lifted by the self-climbing device 100 without the limitation of the lifting height and can be used for lifting and later maintenance of the wind turbine of the high tower 107. Meanwhile, the hoisting arm support 143, the climbing device 100 and other structures all adopt folding structures, so that the self-climbing crane 200 is convenient to transport and transition, low in manufacturing cost and high in operation efficiency, and hoisting and later-period maintenance cost can be greatly reduced. In addition, in the second process, the climbing mechanism 101 is driven by the driving mechanism 105 to move along the cylinder wall, and the first roller 121, the second roller 123 and the third roller 125 are adopted to assist in rolling, so that the climbing efficiency can be improved, and the cylinder wall is effectively prevented from being damaged.

To sum up, the embodiment of the present invention provides a climbing device 100 with high efficiency and reliability, and can avoid damaging the cylinder wall. The embodiment of the present invention provides a self-climbing crane 200 including the climbing device 100. Therefore, the self-climbing crane 200 has high reliability and can ensure the safety of hoisting the tower 107.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A climbing device for climbing along the wall of a tower, comprising:

the climbing mechanism is used for climbing along the cylinder wall;

the supporting mechanism is movably arranged above the climbing mechanism and is used for being optionally and fixedly connected with the cylinder wall;

the driving mechanism is arranged on the climbing mechanism and comprises a driving piece and a transmission piece in transmission connection with the driving piece, one end of the transmission piece is connected with the supporting mechanism, the other end of the transmission piece is connected with the climbing mechanism, and the driving piece is configured to drive the transmission piece to drive the climbing mechanism to be close to or far away from the supporting mechanism;

when climbing operation is carried out, the supporting mechanism is fixedly arranged on the cylinder wall and is separated from the climbing mechanism by a preset distance, and the driving piece is configured to drive the transmission piece to drive the climbing mechanism to climb towards the direction close to the supporting mechanism.

2. The climbing device according to claim 1 wherein:

climbing mechanism is the connecting rod structure, just the connecting rod structure is articulated in proper order through platform, stand and first pull rod and forms, wherein, the platform with supporting mechanism passes through the driving medium transmission and is connected, the stand be used for optionally with section of thick bamboo wall is connected or is separated, and works as the stand with when section of thick bamboo wall is connected, the platform with supporting mechanism is relatively fixed, works as the stand with when section of thick bamboo wall separates, the driving piece can drive the driving medium drive connecting rod structure court supporting mechanism climbs.

3. The climbing device according to claim 2 wherein:

a plurality of first connecting pieces are arranged on the upright post at intervals and used for being optionally connected with or separated from the cylinder wall.

4. The climbing device according to claim 2 wherein:

the upright post is also provided with at least one first roller at intervals, and the first roller is used for being matched with the cylinder wall in a rolling manner when the upright post moves towards the supporting mechanism.

5. The climbing device according to claim 2 wherein:

the climbing device further comprises at least one group of holding assemblies, each holding assembly comprises two holding arms which are oppositely arranged on two sides of the stand column, a holding space which can be used for holding the cylinder wall tightly is formed between the two holding arms, each holding arm is connected with one holding oil cylinder between the stand columns, and the holding oil cylinders are configured to enable the holding arms to have the trend of holding the cylinder wall in the direction of motion.

6. The climbing device according to claim 5 wherein:

the end part of each arm is provided with at least one second roller, and the second rollers are used for being matched with the cylinder wall in a rolling mode when the stand column moves towards the supporting mechanism.

7. The climbing device according to claim 2 wherein:

the climbing mechanism further comprises a folding oil cylinder and a second pull rod, the platform, the upright post, the first pull rod and the second pull rod are sequentially hinged, one end of the folding oil cylinder is hinged to the second pull rod, and the other end of the folding oil cylinder is hinged to the platform, so that the second pull rod can be folded relative to the platform.

8. The climbing device according to any one of claims 1 to 7, wherein:

the supporting mechanism comprises a side wall, a first supporting wall and a second supporting wall, the first supporting wall and the second supporting wall are respectively arranged at two ends of the side wall, a plurality of second connecting pieces are arranged on the side wall, and the second connecting pieces are used for being optionally and fixedly connected with or separated from the cylinder wall.

9. The climbing device according to any one of claims 1 to 7, wherein:

the driving mechanism is a hoisting mechanism, the driving piece is a motor, the transmission piece comprises a steel rope and a hoisting roller, the motor and the hoisting roller are arranged on the climbing mechanism, the motor is in transmission connection with the hoisting roller and is used for driving the hoisting roller to rotate, the lower end of the supporting mechanism is provided with a pulley, one end of the steel rope is connected with the hoisting roller, and the other end of the steel rope is fixedly connected with the climbing mechanism after bypassing the pulley;

when the motor drives the hoisting roller to rotate, the steel rope can be wound on the hoisting roller, so that the length of the steel rope is shortened, and the climbing mechanism is driven to climb towards the direction of the supporting mechanism.

10. A self-climbing crane, comprising:

the climbing device according to any one of claims 1 to 9;

and the hoisting arm support is movably arranged on the climbing device and is used for hoisting the tower barrel after the climbing device climbs in place.

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