CN216863402U - Blade lifting appliance for mountainous region - Google Patents

Abstract

The utility model belongs to the technical field of wind turbine generator blade installation, and discloses a blade lifting appliance for mountainous regions, which comprises a first adjusting unit, an installation box body, a pitch angle adjusting unit and a second adjusting unit, wherein the first adjusting unit is used for being connected with lifting equipment to lift the whole blade lifting appliance, the first adjusting unit comprises a shell and a turntable assembly which is arranged in the shell in a vertically rotatable manner, and the installation box body is connected to the turntable assembly. The second adjusting unit comprises a support assembly, a first clamp and a second clamp, the first clamp and the second clamp are arranged on the support assembly along the length direction of the blade, the support assembly is rotatably arranged on the installation box body around the width direction of the blade, and the first clamp and the second clamp are used for clamping the blade. The blade lifting appliance is not limited by topographic factors, can efficiently and accurately install the blades to the designated positions, is high in automation degree, does not need excessive human intervention, and reduces potential safety hazards and operation cost.

Description

Blade lifting appliance for mountainous region

Technical Field

The utility model relates to the technical field of wind turbine generator blade installation, in particular to a blade lifting appliance for mountainous regions.

Background

The wind turbine generator is usually installed in environments such as mountainous regions due to the factors of large overall size, large occupied space during installation and the like, and the wind turbine generator is sufficient in wind volume in the mountainous regions, and is more favorable for performance of the wind turbine generator. However, the whole size of the blade is large, the length of the blade is about dozens of meters or even hundreds of meters, the mountain is remote, the natural environment is severe, and the blade is inconvenient to install in a high-altitude space.

In the prior art, when a wind turbine blade in a mountain environment is installed, a mountain is usually driven near a machine position to form a flat ground, three blades are assembled on an impeller on the flat ground, and then the blades are installed to a high-altitude position in an integral hoisting mode of a 100T automobile crane.

Although can obtain enough big blade equipment place through the mode of opening a mountain, mountain region position is remote, the topography is abominable, and professional equipment is difficult to berth, and the earth and stone blasting degree of difficulty is big, required operating personnel is more, the cost is too high, consuming time is longer, and very easily destroy the vegetation, is unfavorable for the environmental protection, has great potential safety hazard simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blade lifting appliance for mountainous regions, which is not limited by topographic factors, can efficiently and accurately install blades to a specified position, has high automation degree, does not need excessive human intervention, and reduces potential safety hazards and operation cost.

In order to achieve the purpose, the utility model adopts the following technical scheme:

there is provided a blade sling for mountainous terrain comprising:

the first adjusting unit is configured to be connected with hoisting equipment and comprises a shell and a turntable assembly which is vertically and rotatably arranged in the shell;

the mounting box body is connected to the turntable assembly, and a pitch angle adjusting unit is arranged on the mounting box body;

the second adjusting unit comprises a bracket component, a first clamp and a second clamp, wherein the first clamp and the second clamp are arranged on the bracket component along the length direction of the blade, the bracket component winds the width direction of the blade and is rotatably arranged on the installation box body, and the first clamp and the second clamp are used for clamping the blade.

As a preferable scheme of the blade hanger for mountainous regions provided by the utility model, two opposite sides of the installation box body along the length direction of the blade are respectively provided with a balance adjusting unit, each balance adjusting unit comprises a first hinged expansion bracket and a first adjusting plate, one end of each first hinged expansion bracket is connected to the outer wall of the installation box body, and the other end of each first hinged expansion bracket is connected to the corresponding first adjusting plate, so that the corresponding first adjusting plate can be close to or far away from the installation box body.

As a preferable scheme of the blade sling for mountainous regions provided by the utility model, the pitch angle adjusting unit includes a second articulated telescopic frame and a second adjusting plate, one end of the second articulated telescopic frame is arranged on a side of the installation box body, which is back to the second adjusting unit, and the other end of the second articulated telescopic frame is connected to the second adjusting plate, so that the second adjusting plate can be close to or far from the installation box body.

The blade lifting appliance for mountainous regions provided by the utility model further comprises a counterweight unit, wherein the counterweight unit comprises a carrying box and a plurality of counterweights stacked in the carrying box, and the carrying box is arranged between the mounting box body and the pitch angle adjusting unit.

As a preferable scheme of the blade hanger for mountainous regions provided by the utility model, each of the first clamp and the second clamp comprises a first clamping jaw and a second clamping jaw, each of the first clamping jaw and the second clamping jaw comprises a clamping end and a connecting end which are connected, and the connecting end of the first clamping jaw and the connecting end of the second clamping jaw are hinged in a crossed manner, so that the clamping end of the first clamping jaw and the clamping end of the second clamping jaw can clamp or loosen the blade.

The blade lifting appliance for mountainous regions provided by the utility model further comprises a first telescopic oil cylinder and a second telescopic oil cylinder, mounting plates are arranged at two ends of the support assembly, through holes for penetrating through the connecting ends are formed in the mounting plates, the cylinder body of the first telescopic oil cylinder is connected to the mounting plates, the output rod of the first telescopic oil cylinder is connected to the connecting end of the first clamping jaw, the cylinder body of the second telescopic oil cylinder is connected to the connecting end of the first clamping jaw, and the output rod of the second telescopic oil cylinder is connected to the connecting end of the second clamping jaw.

As a preferable scheme of the blade hanger for mountainous regions provided by the utility model, a plurality of clamping plates are arranged on the sides of the clamping ends of the first clamping jaw and the second clamping jaw facing each other, and the plurality of clamping plates are arranged in an arc shape so as to be attached to the outer wall of the blade.

The blade hanger for mountainous regions provided by the utility model further comprises a balance sensor, wherein the balance sensor is arranged on the installation box body and is used for detecting the balance degree of the installation box body.

As the preferable scheme of the blade lifting appliance for mountainous regions, provided by the utility model, a driving assembly, a speed reducer and a rotating shaft are arranged in the installation box body, the output end of the driving assembly is in transmission connection with the rotating shaft through the speed reducer, and the support assembly is connected to the rotating shaft.

The blade lifting appliance for mountainous regions provided by the utility model further comprises a hanging rod, wherein an upper hanging ring is arranged on the shell, the upper hanging ring is configured to be connected with a lifting hook of the lifting equipment, two lower hanging rings are symmetrically arranged on the turntable assembly, two lifting lugs are arranged on the installation box body, and the lower hanging rings are connected with the corresponding lifting lugs through the hanging rod.

The utility model has the beneficial effects that:

the utility model provides a blade lifting appliance for mountainous regions, which comprises a first adjusting unit, an installation box body, a pitch angle adjusting unit and a second adjusting unit, wherein the first adjusting unit is used for being connected with lifting equipment to lift the whole blade lifting appliance, the first adjusting unit comprises a shell and a rotary table assembly, the rotary table assembly is rotatably arranged in the shell around the vertical direction, the installation box body is connected to the rotary table assembly, and the pitch angle adjusting unit is arranged on the installation box body and used for adjusting the pitch angle of the lifting appliance. The second adjusting unit comprises a support assembly, a first clamp and a second clamp, the first clamp and the second clamp are arranged on the support assembly along the length direction of the blade, the support assembly is rotatably arranged on the installation box body around the width direction of the blade, and the first clamp and the second clamp are used for clamping the blade. During operation, the first adjusting unit is firstly installed on a lifting hook of lifting equipment, the lifting equipment lifts the whole lifting appliance to a certain height through the first adjusting unit, then the first clamp and the second clamp are driven to clamp the blades, after the blades are clamped, the lifting equipment drives the lifting appliance and the blades to continue lifting until the lifting appliance is close to the installation positions of the blades, the turntable assembly of the first adjusting unit is driven to rotate, the blades are driven to rotate around the vertical direction through the second adjusting unit, coarse positioning of the blades and the connecting flanges is realized, then the second adjusting unit is driven to rotate relative to the installation box body, accurate positioning of the blades and the connecting flanges is realized, finally, the relative positions of the blades and the connecting flanges are finely adjusted through the pitch angle adjusting unit until the blades and the connecting flanges are accurately aligned, and fastening operation of the blades and the connecting flanges can be carried out. The blade lifting appliance is not limited by topographic factors, can efficiently and accurately install the blades to the designated positions, is high in automation degree, does not need excessive human intervention, and reduces potential safety hazards and operation cost.

Drawings

FIG. 1 is a first view of a blade hanger for mountainous terrain provided by an embodiment of the present invention;

FIG. 2 is a second view of a blade hanger for mountainous terrain provided by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a mounting box according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first clamp according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a connection between the first adjusting unit and the installation box according to the embodiment of the present invention.

In the figure:

1. a first adjusting unit; 2. installing a box body; 3. a pitch angle adjusting unit; 4. a second adjusting unit; 5. a balance adjustment unit; 6. a counterweight unit; 7. a first telescopic cylinder; 8. a second telescopic oil cylinder; 9. a balance sensor; 10. a boom;

11. a housing; 12. a turntable assembly;

111. an upper hanging ring; 121. a lower lifting ring;

21. lifting lugs; 22. a rotating shaft;

31. a second articulated telescoping mast; 32. a second adjusting plate;

41. a bracket assembly; 42. a first clamp; 43. a second clamp; 44. mounting a plate;

411. lightening holes;

421. a first jaw; 422. a second jaw;

4211. a clamping end; 4212. a connecting end; 4213. a clamping plate;

441. a via hole;

51. a first articulated mast; 52. a first adjusting plate;

61. a carrying box; 62. and a balancing weight.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not to be construed as limiting the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides a blade hanger for mountainous regions, which includes a first adjusting unit 1, a mounting case 2, a pitch angle adjusting unit 3, and a second adjusting unit 4.

Wherein, the first adjusting unit 1 is used for being connected with a hoisting device to hoist the whole blade sling. Referring to fig. 5, the first adjusting unit 1 includes a housing 11 and a turntable assembly 12, the turntable assembly 12 is vertically and rotatably disposed in the housing 11, and the installation case 2 is connected to the turntable assembly 12. Referring to fig. 2, a pitch angle adjusting unit 3 is provided on the mounting case 2 for adjusting a pitch angle of the spreader. Referring to fig. 1, the second adjusting unit 4 includes a bracket assembly 41, and a first clamp 42 and a second clamp 43 which are provided on the bracket assembly 41 along a length direction of the blade, the bracket assembly 41 is rotatably provided on the installation case 2 around a width direction of the blade, and the first clamp 42 and the second clamp 43 are used for clamping the blade.

During operation, the first adjusting unit 1 is firstly installed on a lifting hook of lifting equipment, and the lifting equipment lifts the whole lifting appliance to a certain height through the first adjusting unit 1. Subsequently, the first clamp 42 and the second clamp 43 are driven to clamp the blade, and after clamping the blade, the lifting device drives the lifting appliance and the blade to be lifted continuously until the vicinity of the installation position of the blade. And driving the turntable assembly 12 of the first adjusting unit 1 to rotate so as to drive the blades to rotate around the vertical direction through the second adjusting unit 4, thereby realizing the coarse positioning of the blades and the connecting flange. And then, driving the second adjusting unit 4 to rotate relative to the mounting box body 2, so as to realize the accurate positioning of the blade and the connecting flange. And finally, finely adjusting the relative positions of the blades and the connecting flange through the pitch angle adjusting unit 3 until the blades and the connecting flange are accurately aligned, and then fastening the blades and the connecting flange. The blade lifting appliance is not limited by topographic factors, can efficiently and accurately install the blades to the designated positions, is high in automation degree, does not need excessive human intervention, and reduces potential safety hazards and operation cost.

Alternatively, referring to fig. 1 and 3, two balance adjusting units 5 are disposed on the mounting case 2, and the two balance adjusting units 5 are disposed on two opposite sides of the mounting case 2 in the length direction of the blade, respectively. In this embodiment, when the bracket assembly 41 of the second adjusting unit 4 rotates around the width direction of the blade, in order to avoid unbalance of the whole lifting appliance, the balance adjusting units 5 on both sides of the installation box 2 can be automatically adjusted to maintain the balance of the whole lifting appliance.

In the present embodiment, referring to fig. 3, each balance adjustment unit 5 includes a first articulated telescopic frame 51 and a first adjustment plate 52. The first articulated telescopic bracket 51 has one end connected to an outer wall of the installation case 2 and the other end connected to the first adjustment plate 52 so that the first adjustment plate 52 can be close to or distant from the installation case 2. Illustratively, referring to fig. 1, when the rotation of the bracket assembly 41 causes the center of gravity of the entire spreader to be shifted to the left, the balance adjustment unit 5 on the right can be automatically adjusted. Specifically, the first articulated expansion bracket 51 of the right side balance adjustment unit 5 is extended to drive the first adjustment plate 52 away from the installation box 2, so that the center of gravity of the whole hanger can be adjusted to the right, and the whole hanger is prevented from being unbalanced.

Similarly, referring to fig. 1, when the bracket assembly 41 is rotated to cause the center of gravity of the entire spreader to be shifted to the right, the first articulated telescopic bracket 51 of the left balance-adjusting unit 5 is extended to bring the first adjusting plate 52 of the left side away from the mounting case 2, so that the center of gravity of the entire spreader can be adjusted to the left.

Alternatively, referring to fig. 2, a pitch angle adjusting unit 3 is disposed at a side of the mounting case 2 facing away from the second adjusting unit 4 for automatically adjusting the pitch angle of the entire spreader.

Specifically, referring to fig. 3, the pitch angle adjusting unit 3 includes a second articulated yoke 31 and a second adjusting plate 32. One end of the second articulated telescopic frame 31 is disposed at a side of the installation case 2 facing away from the second adjustment unit 4, and the other end is connected to the second adjustment plate 32, so that the second adjustment plate 32 can be close to or far away from the installation case 2. When the pitch angle of the whole lifting appliance needs to be adjusted, the second articulated expansion bracket 31 is driven to extend or retract, and the second adjusting plate 32 is driven by the second articulated expansion bracket to move along with the second articulated expansion bracket so as to be far away from or close to the mounting box body 2, so that the pitch angle of the whole lifting appliance is adjusted.

Alternatively, as shown in fig. 2, the bottom of the mounting case 2 is provided with a balance sensor 9 for detecting the degree of balance of the mounting case 2. When the installation box body 2 is unbalanced due to the rotation of the first adjusting unit 1 and the second adjusting unit 4, the balance sensor 9 can detect the unbalance, and then the balance adjusting unit 5 and the pitch angle adjusting unit 3 automatically adjust to ensure the balance degree of the whole lifting appliance.

Optionally, in this embodiment, referring to fig. 2 and 3, the spreader further comprises a counterweight unit 6. The weight unit 6 is provided between the installation case 2 and the pitch angle adjusting unit 3, and its weight can be adjusted according to the weight of the blade being held.

With continued reference to fig. 2 and 3, the counterweight unit 6 may optionally include a carrying box 61 and a plurality of counterweights 62 stacked in the carrying box 61, the carrying box 61 is disposed between the mounting box 2 and the pitch angle adjusting unit 3, and the number of the counterweights 62 inside may be determined according to the weight of the blade to be mounted.

Referring to fig. 4, first clamp 42 and second clamp 43 each include a first jaw 421 and a second jaw 422. The first 421 and second 422 jaws are brought closer to or further away from each other to grip or release the blade.

Optionally, referring to fig. 4, first jaw 421 and second jaw 422 each include associated gripping end 4211 and attachment end 4212. The connecting end 4212 of the first jaw 421 and the connecting end 4212 of the second jaw 422 are hinged crosswise, i.e. the connecting end 4212 of the first jaw 421 and the connecting end 4212 of the second jaw 422 can rotate relatively, so that the clamping end 4211 of the first jaw 421 and the clamping end 4211 of the second jaw 422 can clamp or release the blade.

Referring to fig. 1 and 4, the bracket assembly 41 is provided at both ends thereof with a mounting plate 44, and the mounting plate 44 is used for mounting the first clamp 42 and the second clamp 43. The mounting plate 44 is provided with a through hole 441, the connecting end 4212 of the first clamping jaw 421 and the connecting end 4212 of the second clamping jaw 422 both pass through the through hole 441, and the two connecting ends 4212 are hinged through a pin. Specifically, two ends of the pin shaft are respectively connected to two inner walls opposite to the through hole 441, and the pin shaft rotatably penetrates through the connecting end 4212 of the first clamping jaw 421 and the connecting end 4212 of the second clamping jaw 422, so that the two connecting ends 4212 can rotate relative to the pin shaft, and the clamping ends 4211 of the two clamping jaws are close to and far away from each other.

Alternatively, referring to fig. 4, relative rotation between the coupling end 4212 of the first jaw 421 and the coupling end 4212 of the second jaw 422 is achieved by a first telescopic cylinder 7 and a second telescopic cylinder 8. Specifically, the cylinder body of the first telescopic cylinder 7 is connected to the mounting plate 44, and the output rod of the first telescopic cylinder 7 is connected to the connection end 4212 of the first jaw 421. When the output rod of the first telescopic oil cylinder 7 extends or retracts relative to the cylinder body, the first clamping jaw 421 can rotate relative to the pin shaft. The cylinder body of the second telescopic cylinder 8 is connected to the connecting end 4212 of the first clamping jaw 421, and the output rod of the second telescopic cylinder 8 is connected to the connecting end 4212 of the second clamping jaw 422. When the output rod of the second telescopic oil cylinder 8 extends or retracts relative to the cylinder body, the second clamping jaw 422 can rotate relative to the pin shaft. When the first jaw 421 and the second jaw 422 rotate, the action of clamping or unclamping the blade can be realized.

The action of centre gripping or loosening the blade is realized through first telescopic cylinder 7 and the telescopic cylinder 8 of second to this embodiment for the operation process is more steady, and the centre gripping dynamics is controllable, can not relax during the centre gripping.

In addition, the first telescopic oil cylinder 7 and the second telescopic oil cylinder 8 can be connected with an electric control system, remote control can be conveniently carried out on the ground through the electric control system, and the safety is higher.

As shown in fig. 4, a plurality of clamping plates 4213 are arranged on the sides of the clamping end 4211 of the first clamping jaw 421 and the clamping end 4211 of the second clamping jaw 422 facing each other, the clamping plates 4213 are arranged at intervals along the length direction of the clamping end 4211 and are arranged in an arc shape, so that the clamping plates 4213 can be more adaptive to the shape of the blade and can be attached to the outer wall of the blade during clamping, thereby increasing the clamping area and improving the stability after clamping.

Further, one side of each clamping plate 4213, which faces the blade, is provided with a non-slip mat, and the clamping plates 4213 clamp the blade through the non-slip mats, so that the friction resistance during clamping is increased, and loosening is avoided.

In this embodiment, the installation box 2 has a certain installation space therein, and the drive unit, the speed reducer, and the rotating shaft 22 are provided in the installation space. The shell 11 of the driving assembly is connected to the inner wall of the installation box body 2, and the output end of the driving assembly is in transmission connection with the rotating shaft 22 through a speed reducer. As shown in fig. 3, one end of the rotating shaft 22 away from the reducer extends out of the mounting box 2, and the bracket assembly 41 is connected to one end of the rotating shaft 22 extending out of the mounting box 2.

When the driving assembly is started, the output end of the driving assembly can drive the input end of the speed reducer to rotate, and then the output end of the speed reducer drives the rotating shaft 22 to rotate, and meanwhile, the support assembly 41 and the blades clamped by the two clamps can synchronously rotate.

Referring to fig. 5, the first adjusting unit 1 and the mounting case 2 are connected by two hanger rods 10. Specifically, the housing 11 of the first adjusting unit 1 is provided with an upper lifting ring 111, the upper lifting ring 111 is configured to be connected to a lifting hook of a lifting device, and when a lifting arm of the lifting device moves, the whole lifting appliance can be driven to lift.

Continuing to refer to fig. 5, the bottom of the turntable assembly 12 is symmetrically provided with two lower lifting rings 121, the installation box 2 is provided with two lifting lugs 21, and the two lifting lugs 21 and the two lower lifting rings 121 are arranged in one-to-one correspondence. The lower hanging ring 121 is connected with the corresponding lifting lug 21 through the hanging rod 10. That is, the boom 10 has one end connected to the lower suspension ring 121 and the other end connected to the lifting lug 21 to achieve the connection between the installation case 2 and the turntable assembly 12.

Of course, in other embodiments, the number of the lower lifting rings 121 and the lifting lugs 21 may be three, four, or other numbers, which may be designed according to specific construction conditions, and the number of the lower lifting rings 121 and the lifting lugs 21 is not limited herein, as long as the lower lifting rings 121 and the lifting lugs 21 are ensured to be in one-to-one correspondence and can be connected through the suspension rods 10.

Referring to fig. 1, the bracket assembly 41 is provided with a plurality of lightening holes 411, and the plurality of lightening holes 411 are symmetrically distributed with respect to the center of the bracket assembly 41, so that the whole bracket assembly 41 has sufficient strength and rigidity, the weight of the whole hanger can be reduced, and the material is saved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A blade sling for mountainous terrain comprising:

the first adjusting unit (1) is configured to be connected with a hoisting device, and the first adjusting unit (1) comprises a shell (11) and a turntable assembly (12) which is vertically and rotatably arranged in the shell (11);

the mounting box body (2) is connected to the turntable assembly (12), and a pitch angle adjusting unit (3) is arranged on the mounting box body (2);

the second adjusting unit (4) comprises a bracket component (41), a first clamp (42) and a second clamp (43), wherein the first clamp (42) and the second clamp (43) are arranged on the bracket component (41) along the length direction of the blade, the bracket component (41) is arranged on the installation box body (2) in a rotating mode around the width direction of the blade, and the first clamp (42) and the second clamp (43) are used for clamping the blade.

2. The blade sling for mountainous regions as claimed in claim 1, wherein the mounting box (2) is provided with balance adjustment units (5) at two opposite sides along the length direction of the blade, each balance adjustment unit (5) comprises a first hinged expansion bracket (51) and a first adjustment plate (52), one end of the first hinged expansion bracket (51) is connected to the outer wall of the mounting box (2), and the other end of the first hinged expansion bracket is connected to the first adjustment plate (52), so that the first adjustment plate (52) can be close to or far away from the mounting box (2).

3. The blade sling for mountainous terrain according to claim 1, wherein the pitch angle adjusting unit (3) comprises a second articulated telescopic frame (31) and a second adjusting plate (32), one end of the second articulated telescopic frame (31) is disposed on a side of the mounting case (2) facing away from the second adjusting unit (4), and the other end is connected to the second adjusting plate (32) so that the second adjusting plate (32) can be close to or far from the mounting case (2).

4. The blade sling for mountainous regions as claimed in claim 3, further comprising a counterweight unit (6), wherein the counterweight unit (6) comprises a carrying box (61) and a plurality of counter weights (62) stacked in the carrying box (61), wherein the carrying box (61) is disposed between the mounting box (2) and the pitch angle adjustment unit (3).

5. The blade sling for mountain land according to claim 1, wherein the first clamp (42) and the second clamp (43) each comprise a first jaw (421) and a second jaw (422), the first jaw (421) and the second jaw (422) each comprise a connected gripping end (4211) and a connecting end (4212), the connecting end (4212) of the first jaw (421) and the connecting end (4212) of the second jaw (422) being cross-hinged to enable the gripping end (4211) of the first jaw (421) and the gripping end (4211) of the second jaw (422) to grip or release the blade.

6. The blade lifting appliance for the mountainous region as claimed in claim 5, further comprising a first telescopic cylinder (7) and a second telescopic cylinder (8), wherein mounting plates (44) are arranged at both ends of the support assembly (41), a via hole (441) for passing through the connecting end (4212) is arranged on the mounting plate (44), a cylinder body of the first telescopic cylinder (7) is connected to the mounting plate (44), an output rod of the first telescopic cylinder (7) is connected to the connecting end (4212) of the first clamping jaw (421), a cylinder body of the second telescopic cylinder (8) is connected to the connecting end (4212) of the first clamping jaw (421), and an output rod of the second telescopic cylinder (8) is connected to the connecting end (4212) of the second clamping jaw (422).

7. Blade sling for mountainous terrain as claimed in claim 5, wherein a side of the gripping end (4211) of the first jaw (421) and the gripping end (4211) of the second jaw (422) facing each other are each provided with a plurality of gripping plates (4213), the plurality of gripping plates (4213) being arranged in an arc to abut against an outer wall of the blade.

8. A blade sling for mountainous terrain according to any one of claims 1-7, further comprising a balance sensor (9), wherein the balance sensor (9) is provided on the mounting case (2) for detecting a degree of balance of the mounting case (2).

9. The blade sling for mountainous regions as claimed in any one of claims 1 to 7, wherein a driving assembly, a speed reducer and a rotating shaft (22) are arranged in the mounting box body (2), an output end of the driving assembly is in transmission connection with the rotating shaft (22) through the speed reducer, and the bracket assembly (41) is connected to the rotating shaft (22).

10. The blade sling for mountainous regions as claimed in any one of claims 1 to 7, further comprising a suspension rod (10), wherein an upper suspension ring (111) is arranged on the housing (11), the upper suspension ring (111) is configured to be connected with a hook of the hoisting equipment, two lower suspension rings (121) are symmetrically arranged on the turntable assembly (12), two lifting lugs (21) are arranged on the installation box body (2), and the lower suspension rings (121) are connected with the corresponding lifting lugs (21) through the suspension rod (10).

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