CN219467611U - Wind power blade long-distance transport vehicle - Google Patents

Abstract

The embodiment of the utility model discloses a long-distance transport vehicle for wind power blades, which comprises a traction part, a bearing beam, a rear wheel assembly and a lifting assembly. One end of the bearing beam is movably connected to the traction part and is used for bearing the wind power blade; the rear wheel assembly is arranged at one end of the bearing beam far away from the traction part. The lifting assembly comprises a first connecting piece, a second connecting piece and a plurality of driving pieces, and the rear wheel assembly is movably connected with the bearing beam through the first connecting piece and the second connecting piece, so that the rear wheel assembly and the bearing beam can be attached to or separated from each other. The middle part of the second connecting piece is rotatably arranged, part of the driving piece is arranged between the rear wheel assembly and the bearing beam, driving force can be provided for separation or attachment of the rear wheel assembly and the bearing beam, and the other part of the driving piece can drive the second connecting piece to rotate. Through the lifting bearing Liang Taisheng wind power blade for wind power blade and carrier bar move together, can not cause the damage to wind power blade, more be favorable to realizing avoiding the barrier.

Description

Wind power blade long-distance transport vehicle

Technical Field

The utility model relates to the technical field of logistics transportation, in particular to a long-distance transport vehicle for wind power blades.

Background

Today wind power projects are gradually developed, and in the related art, long-distance transport is generally performed on wind power blades by using a long-distance transport vehicle, the long-distance transport vehicle generally comprises a traction portion (i.e. a vehicle head) and a carrier beam connected to the traction portion through a saddle, the traction portion provides driving force, the carrier beam is used for loading the wind power blades, and one end of the carrier beam, far away from the traction portion, is provided with a rear wheel assembly. Along with the development of wind power projects, the size of the wind power blade is also larger and larger, and the obstacle avoidance difficulty is also increased when the wind power blade is transported.

The long-distance transport vechicle among the related art can only keep away the barrier through the position of adjustment wind-powered electricity generation blade on the carrier bar when transporting wind-powered electricity generation blade, to the wind-powered electricity generation blade that the size is bigger and bigger, the position of adjustment wind-powered electricity generation blade needs to consume great labour and time, and still prevent to damage the blade body of wind-powered electricity generation blade when adjusting wind-powered electricity generation blade moreover, consequently, lack in the prior art and realize avoiding the barrier and be difficult for influencing the transport vechicle of wind-powered electricity generation blade integrality more easily.

Disclosure of Invention

Based on this, there is a need to provide a long-distance transport vehicle for wind power blades, which is easy to avoid obstacles and does not damage the wind power blades.

The embodiment of the utility model provides a long-distance transport vehicle for wind power blades, which comprises the following components:

a traction section;

one end of the bearing beam is movably connected to the traction part and is used for bearing the wind power blade;

a rear wheel assembly disposed at one end of the traction portion of the carrier Liang Yuanli;

the lifting assembly comprises a first connecting piece, a second connecting piece and a plurality of driving pieces, wherein the rear wheel assembly is movably connected with the bearing beam through the first connecting piece and the second connecting piece, so that the rear wheel assembly and the bearing beam can be attached to or separated from each other;

the middle part of the second connecting piece is rotatably arranged, part of the driving piece is arranged between the rear wheel assembly and the bearing beam, driving force can be provided for separation or attachment of the rear wheel assembly and the bearing beam, and the other part of the driving piece can drive the second connecting piece to rotate.

In some embodiments of the long-distance transport vehicle for wind power blades, the rear wheel assembly comprises a rear wheel seat and a plurality of groups of rear wheel pairs arranged on the rear wheel seat, one ends of the first connecting piece and the second connecting piece are both hinged on the bearing beam, and the other ends of the first connecting piece and the second connecting piece are both hinged on the rear wheel seat.

In some embodiments of the long-distance transport vehicle for wind power blades, the second connecting piece comprises a first connecting portion and a second connecting portion, one end of the first connecting portion is rotationally connected with one end of the second connecting portion, one end of the first connecting portion, which is far away from the second connecting portion, is hinged to the bearing beam, and one end of the second connecting portion, which is far away from the first connecting portion, is hinged to the rear wheel seat.

In some embodiments of the long-distance transport vehicle for wind power blades, the driving member is a hydraulic cylinder, one end of a part of the driving member is hinged on the rear wheel seat and is arranged at intervals at a position where the driving member and the first connecting member are hinged on the rear wheel seat, and the other end of the driving member is hinged on the bearing beam.

In some embodiments of the long-distance transport vehicle for wind power blades, one end of at least one driving member is hinged to the rear wheel seat at a position close to the second connecting portion, and the other end is hinged to the first connecting portion.

In some embodiments of the long-distance transport vehicle for wind power blades, the rear wheel seat comprises a plurality of vertical beams arranged at intervals and a plurality of cross beams for connecting two adjacent vertical beams, the rear wheel seat further comprises a connecting beam arranged on the vertical beams, one end of the first connecting piece can be hinged to the vertical beams, and one end of the second connecting piece can be hinged to the connecting beam.

In some embodiments of the long-distance transport vehicle for wind power blades, a connecting seat is arranged at one end of the bearing Liang Yuanli, a connecting frame is rotatably connected to the connecting seat, the connecting frame is connected to the traction part through a saddle, and a rotation plane between the connecting frame and the connecting seat is parallel to a path separated between the rear wheel assembly and the bearing beam.

In some embodiments of the long-distance transport vehicle for wind power blades, the end of the carrier Liang Kaojin of the rear wheel assembly is further provided with a support beam, and the end of the support beam away from the traction portion is provided with a support stand.

In some embodiments of the long haul wind turbine blade carrier, at least one support member is provided on the load beam at a location between the traction portion and the rear wheel assembly, the support member having a telescoping support end.

In some embodiments of the long-distance transport vehicle for wind power blades, the bearing beam comprises an outer beam and a telescopic drawing structure sleeved in the outer beam, the drawing structure and the outer beam can be fixedly connected, the drawing structure comprises a plurality of inner beams sleeved in sequence from inside to outside, and two adjacent inner beams can be fixedly connected.

The embodiment of the utility model has the following beneficial effects:

according to the long-distance transport vehicle for the wind power blades, the rear wheel assembly and the bearing beam can be movably connected through the first connecting piece and the second connecting piece, and therefore the attachment and the detachment between the rear wheel assembly and the bearing beam can be achieved. And the driving piece is arranged and can directly act between the bearing beam and the rear wheel assembly so as to drive the bearing beam and the rear wheel assembly to be attached and detached, and the other part of driving piece can also act on the second connecting piece so as to provide driving force for the movement between the bearing beam and the rear wheel assembly by driving the rotation of the second connecting piece. When the drive carrier beam and the rear wheel component are separated, the carrier beam can rotate relative to the traction part, and the end, away from the traction part, of the carrier beam is lifted, so that the tip of the wind power blade can be lifted. When transporting wind-powered electricity generation blade, control driving piece work can keep away from the one end of traction portion with the carrier beam and realize the lifting to realize the lifting of wind-powered electricity generation blade apex, for among the prior art direct adjustment wind-powered electricity generation blade, this lifting action is realized more easily, and wind-powered electricity generation blade loads on the carrier beam, through the lifting Liang Taisheng wind-powered electricity generation blade for wind-powered electricity generation blade and carrier beam move together, can not cause the damage to wind-powered electricity generation blade, more be favorable to realizing avoiding the barrier.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 shows a schematic structural diagram of a long-distance transport vehicle for wind power blades according to an embodiment of the present utility model;

FIG. 2 illustrates a cross-sectional view of a load beam, rear wheel assembly and lift assembly connection structure for a long haul wind turbine blade carrier provided in accordance with an embodiment of the present utility model;

fig. 3 shows an enlarged schematic view at a in fig. 1.

Description of main reference numerals:

1. a traction section; 2. a load beam; 21. an outer beam; 211. a drawing channel; 22. a drawing structure; 221. an inner beam; 2211. an inner channel; 222. a plug block; 2221. a plug-in groove; 223. a plug pin; 3. a rear wheel assembly; 31. a rear wheel seat; 311. a vertical beam; 312. a cross beam; 313. a connecting beam; 32. a rear wheel pair; 4. a lifting assembly; 41. a first connector; 42. a second connector; 421. a first connection portion; 422. a second connecting portion; 43. a driving member; 50. a hinge base; 60. a connecting seat; 61. a connecting frame; 70. a support beam; 71. a support table; 80. a support; 81. a support end; 90. and a fixing plate.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

An embodiment of the present utility model provides a long-distance transport vehicle for transporting wind power blades over long distances, in an embodiment, referring to fig. 1 and 2, the transport vehicle includes a traction portion 1, a load beam 2, a rear wheel assembly 3, and a lifting assembly 4. The traction part 1 is used for providing a traction force for the whole transport vehicle, and is a driving structure for the transport vehicle to run, and the traction part 1 can be a tractor such as a semitrailer, and the like, and is not limited herein.

One end of the bearing beam 2 is movably connected to the traction part 1 and used for bearing the wind power blade, and the bearing beam 2 has a certain length which is matched with the length of the wind power blade to be borne. When the wind power blade is supported, the wind power blade is placed on the support beam 2 in the longitudinal direction (the longitudinal direction of the wind power blade is identical to the longitudinal direction of the support beam 2). Two fulcrums are arranged on the bearing beam 2, one fulcrum is arranged at the blade root of the wind power blade, and one fulcrum is arranged at the position, close to the blade tip, of the wind power blade and used for respectively fixing the root and the blade tip of the wind power blade on the two fulcrums so as to fix the wind power blade on the bearing beam 2, and how to fix the wind power blade is described in the prior art specifically and not described too much. It should be noted that, the carrier beam 2 is movably connected with the traction portion 1, so that the carrier beam 2 can rotate relative to the traction portion 1, and in the embodiment of the present utility model, the rotation plane of the carrier beam 2 is perpendicular to the running plane when the transport vehicle runs, and the running plane is parallel to the ground when the transport vehicle runs on a road.

The rear wheel assembly 3 is arranged at one end of the carrier beam 2 away from the traction part 1, and the rear wheel assembly 3 is used for supporting the carrier beam 2.

The lifting assembly 4 comprises a first connecting piece 41, a second connecting piece 42 and a plurality of driving pieces 43, and the rear wheel assembly 3 and the bearing beam 2 are movably connected through the first connecting piece 41 and the second connecting piece 42, so that the rear wheel assembly 3 and the bearing beam 2 can be attached to or detached from each other. It should be noted that, the middle portion of the second connecting member 42 is rotatably disposed, and the part of the driving member 43 is disposed between the rear wheel assembly 3 and the carrier beam 2, so as to provide driving force for separating or attaching the rear wheel assembly 3 and the carrier beam 2, and the other part of the driving member 43 can drive the second connecting member 42 to rotate.

Through setting up first connecting piece 41 and second connecting piece 42, can be with rear wheel subassembly 3 and carrier bar 2 swing joint for can realize laminating and separation between rear wheel subassembly 3 and the carrier bar 2. By providing the driving member 43, the driving member 43 can directly act between the carrier beam 2 and the rear wheel assembly 3 to drive the carrier beam 2 and the rear wheel assembly 3 to be attached to and detached from each other, and the other part of the driving member 43 can also act on the second connecting member 42 to provide driving force for the movement between the carrier beam 2 and the rear wheel assembly 3 by driving the rotation of the second connecting member 42. When the drive carrier beam 2 and the rear wheel assembly 3 are separated, the carrier beam 2 can rotate relative to the traction portion 1, one end, away from the traction portion 1, of the carrier beam 2 is lifted, and then the tip of the wind power blade can be lifted. When transporting wind-powered electricity generation blade, control driving piece 43 work can keep away from the one end of traction portion 1 with carrier beam 2 and realize the lifting to realize the lifting of wind-powered electricity generation blade apex, for among the prior art direct adjustment wind-powered electricity generation blade, this lifting action is realized more easily, and wind-powered electricity generation blade loads on carrier beam 2, through lifting carrier beam 2 lifting wind-powered electricity generation blade for wind-powered electricity generation blade and carrier beam 2 move together, can not cause the damage to wind-powered electricity generation blade, more be favorable to realizing avoiding the barrier.

In a specific embodiment, referring to fig. 1 and 2, the rear wheel assembly 3 includes a rear wheel seat 31 and a plurality of rear wheel pairs 32 disposed on the rear wheel seat 31, and the rear wheel pairs 32 are disposed on the rear wheel seat 31 in a rolling manner. One end of the first connecting piece 41 and one end of the second connecting piece 42 are both hinged on the carrier beam 2, and the other end of the first connecting piece and the second connecting piece are both hinged on the rear wheel seat 31. It should be noted that, the number of the first connecting members 41 and the second connecting members 42 is not limited, in the embodiment of the present utility model, one first connecting member 41 and one second connecting member 42 are used as a group of connecting members to connect the rear wheel seat 31 and the carrier beam 2, and the rear wheel seat 31 and the carrier beam 2 can be connected by a plurality of groups of connecting members, while in the embodiment, two groups of identical connecting members are used as an example, and the two groups of connecting members are respectively arranged at two sides of the carrier beam 2 and also positioned at two sides of the rear wheel seat 31.

It should be noted that, in a preferred embodiment, the first connecting member 41 is an integrally formed structure, the second connecting member 42 is formed by two structural components, for example, the second connecting member 42 may include a first connecting portion 421 and a second connecting portion 422, one ends of the first connecting portion 421 and the second connecting portion 422 are rotatably connected, one end of the first connecting portion 421 away from the second connecting portion 422 is hinged to the carrier beam 2, and one end of the second connecting portion 422 away from the first connecting portion 421 is hinged to the rear wheel seat 31.

The first connecting member 41 not only plays a role of connecting the carrier 2 and the rear wheel housing 31, but also plays a role of supporting, and when the driving member 43 drives the carrier 2 and the rear wheel housing 31 to be separated, connection points at both ends of the first connecting member 41 rotate around the carrier 2 and the rear wheel housing 31, respectively, so that the carrier 2 and the rear wheel housing 31 move relative to each other in two directions. The first direction movement is the reverse movement between the carrier beam 2 and the rear wheel seat 31 along the length direction of the carrier beam 2, namely the rear wheel seat 31 moves relatively far away from the traction part 1, and the second direction movement is the mutual back movement between the carrier beam 2 and the rear wheel seat 31, namely the movement of one end of the carrier beam 2 far away from the traction part 1 back to the ground when the wind power blade is transported.

When the carrier beam 2 and the rear wheel seat 31 are far away from each other, the first connecting portion 421 and the second connecting portion 422 can rotate around the carrier beam 2 and the rear wheel seat 31, respectively, and the first connecting portion 421 and the second connecting portion 422 can also rotate around the connecting positions of the two.

In a specific embodiment, the driving members 43 are hydraulic cylinders capable of multi-stage expansion and contraction, one driving member 43 is corresponding to each of the first connecting member 41 and the second connecting member 42, one end of the driving member 43 corresponding to the first connecting member 41 is hinged on the rear wheel seat 31, the driving member is arranged at a position spaced from the position where the first connecting member 41 is hinged on the rear wheel seat 31, and the other end of the driving member 43 is hinged on the carrier beam 2 and is arranged relatively close to the position where the first connecting member 41 is hinged on the carrier beam 2.

One end of the driving member 43 corresponding to the second connecting member 42 is hinged to the rear wheel seat 31 at a position close to the hinge point between the second connecting portion 422 and the rear wheel seat 31, the other end is hinged to the first connecting portion 421, and the position hinged to the first connecting portion 421 is relatively hinged to the position hinged to the rear wheel seat 31 and is further away from the traction portion 1.

It should be noted that the hinge points of the first connecting member 41, the second connecting member 42 and the driving member 43 on the carrier beam 2 and the rear wheel seat 31 may have various arrangements, and one preferred arrangement is as follows: when the rear wheel seat 31 is attached to the carrier beam 2, the hinge point of the first connecting member 41 on the carrier beam 2 is closer to the traction portion 1 than the hinge point of the first connecting member on the rear wheel seat 31. One of the driving members 43 and the corresponding first connecting member 41 share a hinge point on the carrier beam 2, the other end of the driving member 43 is hinged to the end of the rear wheel seat 31 near the traction portion 1, and the hinge point of the first connecting member 41 and the corresponding driving member 43 on the carrier beam 2 is located between the hinge points of the driving member 43 and the first connecting member 41 on the rear wheel seat 31. The driving piece 43 can drive the bearing beam 2 and the rear wheel seat 31 to be separated, and the rear wheel seat 31 moves in the direction away from the traction part 1, so that the purpose of lifting one end of the bearing beam 2 away from the traction part 1 is achieved. It should be noted that the end of the first connecting member 41 near the rear wheel seat 31 may also be bent away from the traction portion 1, so as to increase the strength of the first connecting member 41.

It should be noted that, the hinged seats 50 are disposed on the carrier beam 2 and the rear wheel seat 31 and correspond to the hinged positions of the first connecting member 41, the second connecting member 42 and the driving member 43, and the hinged ends of the first connecting member 41, the second connecting member 42 and the driving member 43 are hinged to the hinged seats 50.

In a specific embodiment, the rear wheel seat 31 may be a single piece of steel plate made of steel or the like, or the rear wheel seat 31 may be composed of a plurality of independent beam structures, and in a preferred embodiment, the rear wheel seat 31 includes a plurality of spaced apart vertical beams 311 and a plurality of cross beams 312 for connecting adjacent two of the vertical beams 311. The plurality of vertical beams 311 are arranged in parallel, and the cross beams 312 are connected between two adjacent vertical beams 311 by welding or by screws so as to fixedly connect the two adjacent vertical beams 311. In the embodiment of the utility model, two spaced and parallel vertical beams 311 are arranged, two ends of a plurality of cross beams 312 are welded on the two vertical beams 311 respectively in a welding manner, so that the two vertical beams 311 are fixed, and a rear wheel seat 31 is formed. The rear wheel set 32 is a rear wheel module conventionally used in prior art transportation vehicles and is attached to the vertical beam 311.

It should be noted that the rear wheel seat 31 further includes a connection beam 313 disposed on the vertical beam 311, and one connection beam 313 is welded to both ends of the vertical beam 311 in the length direction. One end of the first link 41 can be hinged to the vertical beam 311, one end of the second link 42 can be hinged to the connecting beam 313 remote from the traction portion 1, and one end of the driving member 43 is hinged to the connecting beam 313 near the traction portion 1. It should be noted that, the length direction of the connecting beam 313 is perpendicular to the length direction of the vertical beam 311, and the length of the connecting beam 313 is greater than the transverse dimension of the rear wheel seat 31 formed by the two vertical beams 311, so that the two ends of the connecting beam 313 protrude out of the rear wheel seat 31, which can increase the space between the two second connecting pieces 42 and the space between the two driving pieces 43 corresponding to the two first connecting pieces 41. Increasing the distance between the two driving members 43 corresponding to the two first connecting members 41 can enable the first connecting members 41 and the corresponding driving members 43 to be staggered, so as to avoid affecting the attachment and detachment between the carrier beam 2 and the rear wheel seat 31. One end of the driving member 43 corresponding to the second connecting member 42 is hinged to the connecting beam 313 far from the traction portion 1, and the hinge point is disposed near the hinge point of the second connecting member 42 corresponding thereto, specifically near the hinge point of the second connecting portion 422. The interval between the two second connection members 42 is increased, and the interval between the two driving members 43 corresponding to the two second connection members 42 may be increased such that the interval between the two driving members 43 corresponding to the two first connection members 41 and the interval between the two driving members 43 corresponding to the two second connection members 42 are equal.

In one embodiment, referring to fig. 1 and 2, a connecting seat 60 is disposed at an end of the carrier beam 2 away from the rear wheel assembly 3, a connecting frame 61 is rotatably connected to the connecting seat 60, and the connecting frame 61 is connected to the traction portion 1 through a saddle. It should be noted that, the rotation plane between the connecting frame 61 and the connecting seat 60 is perpendicular to the ground, that is, parallel to the path when the rear wheel assembly 3 and the carrier beam 2 are separated, that is, when the carrier beam 2 is driven to lift, the connecting seat 60 can rotate relative to the position where it is connected to the connecting frame 61, so as to realize that the end of the carrier beam 2 away from the rotation position is lifted smoothly.

The one end that back wheel subassembly 3 is close to carrier bar 2 and the one side of back wheel subassembly 3 is still provided with a supporting beam 70, and a supporting beam 70 passes through screw fixed connection on carrier bar 2, and the one end that a supporting beam 70 kept away from traction portion 1 still welds supporting bench 71, can supply the staff to stand on the supporting bench 71, and a pair of wind-powered electricity generation blade adjusts.

At least one supporting member 80 is disposed on the carrier beam 2 at a position between the traction portion 1 and the rear wheel assembly 3, and two supporting members 80 are generally disposed, and the two supporting members 80 are respectively fixedly connected to two opposite sides of the carrier beam 2 through screws or through welding. The supporting member 80 may be an air cylinder or a hydraulic cylinder, and has a telescopic supporting end 81, and an end of the supporting end 81 is used for supporting the ground, so as to increase stability of the carrier beam 2, so that the carrier beam is not easy to shake left and right, and when the supporting end 81 is supported on the ground, strength of the middle position of the carrier beam 2 can be increased, so that the structure between the supporting beams 70 is not easy to bend.

In an embodiment, please refer to fig. 1 and 2, the carrier beam 2 includes an outer beam 21 and a telescopic drawing structure 22 sleeved in the outer beam 21, the drawing structure 22 and the outer beam 21 can be fixedly connected, the drawing structure 22 can be telescopic relative to the outer beam 21 by pulling the drawing structure 22, the length of the carrier beam 2 can be increased, the carrier beam 2 is beneficial to transporting wind power blades with various sizes, and the drawing structure 22 and the outer beam 21 are fixedly connected and can be fixed, so that the drawing structure 22 and the outer beam 21 can be fixed, and the current size is stabilized.

It should be noted that, the drawing structure 22 is similar to a multi-section drawing structure of a fishing rod, and by pulling the drawing structure 22, the drawing structure 22 can be stretched, so that the length of the load beam 2 can be further increased.

One end of the outer beam 21 is provided with a drawing channel 211 along the length direction thereof, and the drawing structure 22 is inserted into the drawing channel 211. The drawing structure 22 further includes a plurality of inner beams 221 sleeved in sequence from inside to outside, the number of the inner beams 221 is not limited, the size of the inner beams 221 decreases from large to small, and the size of the largest inner beam 221 needs to be matched with the size of the drawing channel 211 so as to be inserted into the drawing channel 211. The inner channel 2211 is formed in each inner beam 221, the inner beams 221 with smaller sizes are inserted into the corresponding inner beams 221 with larger sizes, and then the inner beams 221 are sequentially sleeved from large to small according to the sizes, and two adjacent inner beams 221 can be fixedly connected.

In a specific embodiment, referring to fig. 3, a plurality of plugging blocks 222 are disposed on a sidewall of each inner beam 221 along an opening direction of the inner channel 2211 at intervals, and a plugging slot 2221 is disposed at an end of the plugging block 222 facing away from the inner beam 221. The outer wall of the outer beam 21 and the outer walls of the other inner beams 221 except for the innermost one 221 are provided with the pins 223 corresponding to the insertion grooves 2221, the pins 223 are detachably mounted on the outer beam 21 and the inner beam 221, the pins 223 mounted on the outer beam 21 are penetrated in the outer wall of the outer beam 21, the end parts of the pins 223 extend into the drawing channels 211, the pins 223 mounted on the inner beam 221 are penetrated in the outer wall of the inner beam 221, the end parts of the pins 223 extend into the inner channels 2211, and the pins 223 arranged on the outer beam 21 or the inner beam 221 can be inserted in the corresponding insertion grooves 2221.

When the inner beam 221 moves in the drawing channel 211, one insertion groove 2221 on the outermost inner beam 221 is opposite to the insertion groove 223, the insertion groove 2221 is inserted with the insertion groove 223, then the insertion groove 223 is fixed on the outer beam 21, the inner beam 221 and the outer beam 21 can be fixedly connected, if the connection position between the inner beam 221 and the outer beam 21 is required to be changed, the insertion groove 223 can be pulled out, then the inner beam 221 is continuously moved, and the insertion groove 2221 is inserted with the insertion groove 223 again at a proper position. Similarly, the two adjacent inner beams 221 can be fixed by the bolts 223 after being stretched, and the fixing manner is the same as the above, and will not be described here.

It should be noted that, the positions of the outer beam 21 and the inner beam 221 where the bolts 223 are installed are fixedly connected with each other by screws, or fixedly connected with the fixing plate 90 by welding, the fixing plate 90 is provided with screws, the screws are arranged opposite to one end of the bolts 223, the bolts 223 are provided with screw holes opposite to the positions of the screws, and the positions of the bolts 223 can be fixed by screwing the screws into the screw holes.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A long-distance transport vehicle for wind power blades, comprising:

a traction section;

one end of the bearing beam is movably connected to the traction part and is used for bearing the wind power blade;

a rear wheel assembly disposed at one end of the traction portion of the carrier Liang Yuanli;

the lifting assembly comprises a first connecting piece, a second connecting piece and a plurality of driving pieces, wherein the rear wheel assembly is movably connected with the bearing beam through the first connecting piece and the second connecting piece, so that the rear wheel assembly and the bearing beam can be attached to or separated from each other;

the middle part of the second connecting piece is rotatably arranged, part of the driving piece is arranged between the rear wheel assembly and the bearing beam, driving force can be provided for separation or attachment of the rear wheel assembly and the bearing beam, and the other part of the driving piece can drive the second connecting piece to rotate.

2. The long-distance transport vehicle for wind power blades according to claim 1, wherein the rear wheel assembly comprises a rear wheel seat and a plurality of groups of rear wheel pairs arranged on the rear wheel seat, one ends of the first connecting piece and the second connecting piece are both hinged on the bearing beam, and the other ends are both hinged on the rear wheel seat.

3. The long-distance transport vehicle for wind power blades according to claim 2, wherein the second connecting piece comprises a first connecting portion and a second connecting portion, one ends of the first connecting portion and the second connecting portion are rotatably connected, one end of the first connecting portion, which is far away from the second connecting portion, is hinged to the bearing beam, and one end of the second connecting portion, which is far away from the first connecting portion, is hinged to the rear wheel seat.

4. The long-distance transport vehicle for wind power blades according to claim 2, wherein the driving member is a hydraulic cylinder, one end of a part of the driving member is hinged to the rear wheel seat and is arranged at a position spaced from the position where the first connecting member is hinged to the rear wheel seat, and the other end of the driving member is hinged to the bearing beam.

5. A long haul truck for wind turbine blades according to claim 3, wherein at least one of said driving members is pivotally connected at one end to said rear wheel mount at a position adjacent said second connection portion and at the other end to said first connection portion.

6. The long-distance transport vehicle for wind power blades according to claim 2, wherein the rear wheel seat comprises a plurality of vertical beams arranged at intervals and a plurality of cross beams for connecting two adjacent vertical beams, the rear wheel seat further comprises a connecting beam arranged on the vertical beams, one end of the first connecting piece can be hinged on the vertical beams, and one end of the second connecting piece can be hinged on the connecting beam.

7. The long haul truck for wind power blades according to claim 1, wherein a connecting seat is provided at one end of the rear wheel assembly of the carrier Liang Yuanli, and a connecting frame is rotatably connected to the connecting seat, the connecting frame is connected to the traction portion through a saddle, and a rotation plane between the connecting frame and the connecting seat is parallel to a path of separation between the rear wheel assembly and the carrier beam.

8. The long haul truck for wind turbine blades of claim 1, wherein said carrier Liang Kaojin is further provided with a support beam at an end of said rear wheel assembly, said support beam being provided with a support stand at an end remote from said traction portion.

9. The long haul wind turbine blade carrier of claim 1, wherein at least one support member is provided on the load beam at a location between the traction portion and the rear wheel assembly, the support member having a telescoping support end.

10. The long-distance transport vehicle for wind power blades according to any one of claims 1 to 9, wherein the bearing beam comprises an outer beam and a telescopic drawing structure sleeved in the outer beam, the drawing structure and the outer beam can be fixedly connected, the drawing structure comprises a plurality of inner beams sleeved in sequence from inside to outside, and two adjacent inner beams can be fixedly connected.