CN211283431U

CN211283431U - Tower frame lifting appliance

Info

Publication number: CN211283431U
Application number: CN201922152177.4U
Authority: CN
Inventors: 方晶; 沈星星; 李红峰
Original assignee: Jiangsu Goldwind Science and Technology Co Ltd
Current assignee: Jiangsu Goldwind Science and Technology Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-18
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a pair of pylon hoist, include: the lifting beam is characterized in that two ends of the lifting beam are respectively provided with a first articulated shaft, the first articulated shaft is horizontally arranged at the end part of the lifting beam, the axial direction of the first articulated shaft is vertical to the axial direction of the lifting beam, and a first connecting piece and a second connecting piece are articulated on the first articulated shaft; the bottom end of the first hanging strip is connected with the first connecting piece through a first shackle; the top ends of the second hanging strips are connected with the second connecting piece through second shackles respectively; and the hanging seat is connected to the lower end of the second hanging strip and is used for being connected with a tower flange. The tower crane lifting appliance can lift towers with different sizes, and is good in universality.

Description

Tower frame lifting appliance

Technical Field

The utility model relates to a wind power generation technical field, concretely relates to pylon hoist.

Background

Along with the wind power development of the deepwater sea area of the Guangdong Fujian, because of the influence of the water depth, the load of a unit is gradually increased, and the load is close to 2 times compared with the load of the northern sea area, and the trend of the offshore wind power on the internet at a mean price is increasingly obvious, on one hand, the cost is reduced by changing the basic form, on the other hand, the structural design of a tower frame is optimized, and the foundation born by the load of a fan and the tower frame become the heaviest of the cost; for optimizing tower structure, reduce cost, what is popular at present is that every project tower customization, different wind field tower diameters that is to say, flange parameter, bolt hole number, the overall arrangement of tower inner structure are all inequality, and this just causes the matching and the commonality of traditional tower hoist to become a difficult problem.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the relatively weak defect of pylon hoist commonality among the prior art to a better pylon hoist of commonality is provided.

The utility model provides a pair of pylon hoist, include:

the two ends of the hanging beam are respectively provided with a first articulated shaft, the first articulated shaft is horizontally arranged at the end part of the hanging beam, the axial direction of the first articulated shaft is vertical to the axial direction of the hanging beam, and a first connecting piece and a second connecting piece are articulated on the first articulated shaft;

the bottom end of the first hanging strip is connected with the first connecting piece through a first shackle;

the top ends of the second hanging strips are connected with the second connecting piece through second shackles respectively;

and the hanging seat is connected to the lower end of the second hanging strip and is used for being connected with a tower flange.

The first sling is connected with the first connecting piece on the first hinge shaft hinged at two ends of the hanging beam through the first shackle, so that the angle formed by the first sling and the first hinge shaft can be adjusted, the first sling can be normally hung even if the lengths of the two first slings are inconsistent, the first sling is not directly connected with the first hinge shaft, and the first sling can be prevented from being worn in the hoisting process; the second suspender passes through the second shackle and is connected with the second connecting piece that articulates on first articulated shaft, therefore the angle that second suspender and first articulated shaft formed can be adjusted, can be through the angle between adjustment second suspender and the first articulated shaft, adjust the distance of connection between the hanging seat of second suspender lower extreme, in order to satisfy the hanging seat and can be connected with not unidimensional pylon flange, consequently this pylon hoist can hoist not unidimensional pylon, the commonality is good, and second suspender and first articulated shaft are not lug connection, can avoid causing wearing and tearing to the second suspender at the hoist and mount in-process.

The second connecting piece is the Y type, including first body and by two first connecting portion that the top of first body upwards extended, first body be equipped with be suitable for with the connecting pin fixed connection's that the second was broken out first connecting hole, two be equipped with on the first connecting portion and be suitable for wearing to establish second connecting hole on the first articulated shaft, the axial of first connecting hole with the axial parallel of second connecting hole, first connecting piece is kept away from the one end setting of first breaking out is two between the first connecting portion. Connect first connecting piece between two first connecting portions, can make in hoist and mount process, the torsion that first articulated shaft received is balanced, and the torsion that avoids receiving is too big.

The first connecting piece is a hanging plate. The first connecting piece is simple in structure and convenient to connect with other structures.

The lifting seat is provided with a second hinged shaft, the axial direction of the second hinged shaft is parallel to the axial direction of the lifting beam and is vertical to the axial direction of the first hinged shaft, and the lower end of the second lifting belt is hinged to the lifting seat, so that the lifting seat is at least in a vertical state and a horizontal state. The second hanging strip is hinged with the hanging seat through a second hinge shaft, so that the hanging seat can be positioned in a vertical state or a horizontal state, and the arrangement mode enables the tower to be hung when the tower is positioned in the horizontal position or the vertical position.

And a third connecting piece is hinged on the second hinged shaft, and the lower end of the second hanging strip is connected with the third connecting piece through a third shackle. The second suspender is not directly connected with the second articulated shaft, so that the abrasion of the lifting seat in the turnover process can be avoided.

The third connecting piece is the Y type, is in including second body and extension setting two second connecting portion of the one end of second body, two be equipped with on the second connecting portion and be suitable for wearing to establish first through-hole on the second articulated shaft, be equipped with on the second body be suitable for with connecting pin fixed connection's that the third was broken out second through-hole, the axial of first through-hole with the axial vertical of second through-hole. The third connecting piece in the form has higher strength and can meet the hoisting requirements of towers with different sizes.

The second articulated shaft is provided with a self-lubricating system. When the third connecting piece can rotate on the second articulated shaft, rigid friction does not occur, and the service life of the second articulated shaft and the third connecting piece is ensured.

The hanging seat is including the hanging seat main part that is the rectangle, two minor faces of hanging seat main part are first end, second end respectively, in the hanging seat main part from first end extremely be equipped with a plurality of bolted connection between the second end vice, every be connected with the adjusting block on the bolted connection is vice, be equipped with horizontal waist shape hole on the adjusting block, the vice connection of bolted connection is in the waist shape hole. Under the condition of different diameters of the tower flange, the arrangement positions of the bolt holes in the tower flange are different, and the bolts can penetrate through the bolt holes in the lifting seat main body and the bolt holes in the tower flange by adjusting the positions of the bolts in the kidney-shaped holes, so that the lifting seat is connected with the tower flange.

The hanging beam comprises a hanging beam main body and lengthened parts detachably connected to two ends of the hanging beam main body, and the first hinged shaft is arranged at the end part of the lengthened parts. The accessible is connected extension portion or is dismantled from the hanging beam main part at the hanging beam main part, matches the hoist and mount of large-span and trades hoisting point problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a tower flange connected to a tower hanger provided in an embodiment of the present invention;

FIG. 2 is a front view of the tower spreader of FIG. 1;

FIG. 3 is an enlarged partial view of the tower spreader of FIG. 1;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is an enlarged partial view of another position of the tower spreader of FIG. 1;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a schematic view of the tower spreader of FIG. 1 when the lengths of the two first slings are not the same;

FIG. 8 is a schematic structural view of a prior art tower spreader;

FIG. 9 is an enlarged view of a portion of FIG. 8;

description of reference numerals:

1-hanging a beam; 101-a hanging beam body; 102-an elongated portion; 103-reinforcing ribs; 2-a first articulated shaft; 3-a first connecting piece; 4-a second connector; 41-a first body; 42-a first connection; 5-a first sling; 6-first shackle; 7-a second sling; 8-second shackle; 9-hanging a seat; 91-a hanger main body; 10-a tower flange; 11-a second articulated shaft; 12-a third connection; 121-a second body; 122-a second connection; 13-third shackle; 14-an adjusting block; 141-kidney-shaped hole; 15-bolt connection pair; 20-hoisting points; 21-cushion block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

In the prior art, as shown in fig. 8, different lifting points 20 are arranged on a lifting beam for different tower diameters, and in order to match the reference circle matching problem of different flanges, a large frame form is made, different cushion blocks 21 are designed for different items to match, and the cushion blocks 21 are disposable, and different items can be used when one item is replaced. In order to meet the requirements of horizontal turning and hoisting functions of the tower, as shown in fig. 9, the sling of the existing tower sling is directly connected with the pin shaft, so that a problem is caused, the sling at the pin shaft is easy to wear along with the increase of the use times, special protection and reinforcement treatment are needed, regular inspection and replacement are needed, and safety risks are possibly caused.

The invention provides a concrete embodiment of a tower crane, as shown in fig. 1 to 7, the tower crane is used for hoisting a tower after being connected with a tower flange 10, and comprises a hanging beam 1, a first hanging strip 5, a second hanging strip 7 and a hanging seat 9.

The two ends of the hanging beam 1 are respectively provided with a first articulated shaft 2, the first articulated shaft 2 is horizontally arranged at the end part of the hanging beam 1, and the axial direction of the first articulated shaft is vertical to the axial direction of the hanging beam 1. Specifically, first articulated shaft 2 is the round pin axle, and the automatic installation of round pin axle is accomplished to automatic plug pin of accessible or gear propelling movement structure. In the present embodiment, the suspension beam 1 includes a suspension beam main body 101 and elongated portions 102 detachably connected to both ends of the suspension beam main body 101, and the first hinge shaft 2 is provided at the end of the elongated portion 102. When the diameter of the tower is larger, for example, greater than 5m, the elongated portion 102 is connected to two ends of the hanging beam main body 101, and at this time, the first hinge shaft 2 is arranged on the elongated portion 102, and in order to ensure the strength of the hanging beam 1, a reinforcing rib 103 is arranged at the connection position of the elongated portion 102 and the hanging beam main body 101, and of course, the reinforcing rib 103 may be arranged at other positions of the elongated portion 102 or the hanging beam main body 101 as required; when the diameter of the pylon is less than or equal to 5m, the extension part 102 may not be provided, and in this case, the first hinge shafts 2 are provided at both ends of the girder main body 101. In other alternative embodiments, the extension 102 may be automatically lengthened or shortened by a box-type nested configuration refueling cylinder push.

Specifically, the suspension beam main body 101 is a circular tube type. In other alternative embodiments, the hanger beam body 101 may be a box-type structure or other rigid support structure.

The first articulated shaft 2 is articulated with a first connecting piece 3 and a second connecting piece 4. In this embodiment, the first connecting member 3 is a hanger plate, the structure is relatively simple, and in other alternative embodiments, the shape of the first connecting member 3 does not need to be plate-shaped, and may be a shape with a thinner lower end and a thicker upper end, and the shape of the first connecting member 3 may not be limited, and only the requirement that the lower end can be connected to the first hinge shaft 2 and the upper end can be connected to the first shackle 6 is satisfied.

The number of the first hanging strips 5 is two, and the bottom ends of the first hanging strips 5 are connected with the first connecting piece 3 through first shackles 6; the number of the second hanging strips 7 is two, and the top ends of the second hanging strips 7 are respectively connected with the second connecting piece 4 through second shackles 8; a lifting socket 9 is connected to the lower end of the second lifting strap 7 for connection with a tower flange 10.

Because first suspender 5 is connected with first connecting piece 3 that articulates on the first articulated shaft 2 at hanging beam 1 both ends through first break-out 6, consequently the angle that first suspender 5 and first articulated shaft 2 formed can be adjusted, even the length nonconformity of two first suspenders 5 also can normally hoist, solved because the eccentric problem of hoist and mount that causes because the eccentric or two first suspender 5 of pylon focus or second suspender 7 are not as long, through making first suspender 5 or second suspender 7 autogiration adaptation angle of adjustment on first articulated shaft 2, release moment of flexure, the safety problem can not take place. Particularly, when an emergency occurs, for example, in the process of offshore hoisting, one sling is damaged, and the other sling with the same specification length cannot be found, and the sling with different length can also be used for normal hoisting.

The first sling 5 is not directly connected with the first hinge shaft 2, so that the first sling 5 can be prevented from being abraded in the hoisting process; second suspender 7 is connected with second connecting piece 4 hinged on first articulated shaft 2 through second shackle 8, consequently the angle that second suspender 7 and first articulated shaft 2 formed can be adjusted, can be through the angle between adjustment second suspender 7 and the first articulated shaft 2, adjust the distance of connecting between the hanging seat 9 of second suspender 7 lower extreme, in order to satisfy hanging seat 9 and can be connected with not unidimensional tower flange 10, consequently this tower hoist can hoist not unidimensional tower, and the commonality is good, and second suspender 7 is not lug connection with first articulated shaft 2, can avoid causing wearing and tearing to second suspender 7 at the hoist and mount in-process.

As shown in fig. 4, the second connecting member 4 is Y-shaped, and includes a first body 41 and two first connecting portions 42 extending upward from the top end of the first body 41, the first body 41 is provided with a first connecting hole adapted to be fixedly connected to the connecting pin of the second shackle 8, the two first connecting portions 42 are provided with a second connecting hole adapted to be disposed through the first hinge shaft 2, the axial direction of the first connecting hole is parallel to the axial direction of the second connecting hole, and one end of the first connecting member 3 away from the first shackle 6 is disposed between the two first connecting portions 42. Connecting first connecting piece 3 between two first connecting portions 42 can make the torsion that first articulated shaft 2 received balanced, the torsion of avoiding receiving too big in hoist and mount process. In other alternative embodiments, the second connecting member 4 may also be shaped like the first connecting member 3, and be plate-shaped, which also enables normal lifting, but may cause the first hinge shaft 2 to be subjected to a large torque. Or the second connecting piece 4 is H-shaped, the upper end of the second connecting piece 4 penetrates through the first articulated shaft 2, and the lower end of the second connecting piece 4 is connected to the connecting pin of the second shackle 8.

In actual hoisting, the initial position of the tower may be a vertical initial position standing on the ground or a horizontal position lying on the ground, and in order to enable the tower crane to hoist towers at different positions, it is necessary to enable the hanging seat 9 to be capable of turning over, for this purpose, a second hinge shaft 11 is provided on the hanging seat 9, the axial direction of the second hinge shaft 11 is parallel to the axial direction of the hanging beam 1 and perpendicular to the axial direction of the first hinge shaft 2, the lower end of the second hanging strip 7 is hinged to the hanging seat 9, and the hanging seat 9 can be rotated to enable the hanging seat 9 to have at least a vertical state and a horizontal state. When the initial position of the tower is a vertical position, the hanging seat 9 is rotated to be in a horizontal state, so that the tower can be connected with the tower flange 10 which is also in the horizontal state; when the initial position of the tower is the horizontal position, the hanging seat 9 is rotated to be in the vertical state, so that the tower can be connected with the tower flange 10 which is also in the vertical state, and after the connection with the tower flange 10 is completed, the tower is rotated to the vertical position from the horizontal position in the hoisting process. Specifically, the second hinge shaft 11 is a pin shaft, and the pin shaft can be automatically mounted through an automatic pin inserting and pulling structure or a gear pushing structure.

A third connecting piece 12 is hinged on the second hinged shaft 11, and the lower end of the second hanging strip 7 is connected with the third connecting piece 12 through a third shackle 13. The second hanging strip 7 is not directly connected with the second articulated shaft 11, so that the hanging seat 9 can be prevented from being worn in the turnover process.

As shown in fig. 5 or 6, the third connecting member 12 is Y-shaped, and includes a second body 121 and two second connecting portions 122 extending from one end of the second body 121, wherein the two second connecting portions 122 are provided with first through holes adapted to penetrate through the second hinge shaft 11, the second body 121 is provided with second through holes adapted to be fixedly connected with the connecting pins of the third shackle 13, and an axial direction of the first through holes is perpendicular to an axial direction of the second through holes. The third connecting element 12 in this form has high strength and can meet the hoisting requirements of towers with different sizes. The shape of the third connecting member 12 in this embodiment is mainly to take the shape of the hanger 9 into consideration, and the hanger 9 includes a rectangular hanger main body 91 and two connecting plates connected to the hanger main body 91, the two connecting plates are located on both sides of the hanger main body 91, the second hinge shaft 11 is connected between the two connecting plates, and in order to avoid interference between the connecting pin of the third shackle 13 and the connecting plates, the axial direction of the second through hole is perpendicular to the axial direction of the first through hole. Of course, in alternative embodiments, the axial direction of the second through hole may also be parallel to the axial direction of the first through hole.

As a preferred embodiment, the second articulated shaft 11 is provided with a self-lubricating system. When the third connecting piece 12 rotates on the second hinge shaft 11, rigid friction does not occur, and the service lives of the second hinge shaft 11 and the third connecting piece 12 are ensured.

Two minor faces of hanging seat main part 91 are first end, second end respectively, are equipped with a plurality of bolted connection pairs 15 on hanging seat main part 91 from first end to second end between, are connected with adjusting block 14 on every bolted connection pair 15, are equipped with horizontal waist shape hole 141 on adjusting block 14, and bolted connection pair 15 is connected in waist shape hole 141. Under the condition that the tower flanges 10 have different diameters, the arrangement positions of the bolt holes on the tower flanges 10 are also different, and the bolts can pass through the bolt holes on the hanger main body 91 and the bolt holes on the tower flanges 10 by adjusting the positions of the bolts in the kidney-shaped holes so as to connect the hanger 9 with the tower flanges 10. In the prior art, different project towers are hoisted, because the diameter and the reference circle of the tower are different, the number of bolts is different, so in order to save cost, the main body 91 of the hoisting seat is made into a frame form, a cushion block is required to be individually customized for each project, after one project is finished, the cushion blocks are all scrapped to form waste, and the novel adjusting block 14 is provided with the transverse kidney-shaped hole 141. For example, in the traditional 10 projects, each project has 4 types of towers, the cushion block needs 40 sets of supports, the invention is manufactured according to the specification of bolts, and according to statistics, the towers have three types of bolts, namely M42, M48 and M56, so that the adjusting block 14 only needs to be manufactured into three sets, all the sets can be standardized, the adjusting block can be completely recycled, and the economic benefit is very obvious.

According to practice, the tower crane provided by the embodiment of the invention can solve the hoisting problem of the 1.5 MW-10 MW tower, the hanging beam 1 does not need to be replaced, and the cost reduction and efficiency improvement and the optimized design of the tower can play a role in producing an instant effect.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A tower spreader, comprising:

the lifting beam comprises a lifting beam (1), wherein two ends of the lifting beam are respectively provided with a first articulated shaft (2), the first articulated shafts (2) are horizontally arranged at the end part of the lifting beam (1), the axial direction of the first articulated shafts is vertical to the axial direction of the lifting beam (1), and a first connecting piece (3) and a second connecting piece (4) are hinged on the first articulated shafts (2);

the two first hanging strips (5) are arranged, and the bottom ends of the first hanging strips (5) are connected with the first connecting piece (3) through first shackles (6);

the number of the second hanging strips (7) is two, and the top ends of the second hanging strips (7) are connected with the second connecting piece (4) through second shackles (8) respectively;

and the hanging seat (9) is connected to the lower end of the second hanging strip (7) and is used for being connected with a tower flange.

2. The tower sling according to claim 1, wherein the second connecting member (4) is Y-shaped and comprises a first body (41) and two first connecting portions (42) extending upward from a top end of the first body (41), the first body (41) is provided with a first connecting hole adapted to be fixedly connected with a connecting pin of the second shackle (8), the two first connecting portions (42) are provided with second connecting holes adapted to be inserted through the first hinge shaft (2), an axial direction of the first connecting hole is parallel to an axial direction of the second connecting hole, and an end of the first connecting member (3) away from the first shackle (6) is disposed between the two first connecting portions (42).

3. A tower spreader according to claim 2, wherein the first connection element (3) is a hanger plate.

4. The tower spreader according to any of claims 1-3, wherein the spreader (9) is provided with a second hinge axis (11), the second hinge axis (11) is parallel to the axis of the beam (1) and perpendicular to the axis of the first hinge axis (2), and the lower end of the second sling (7) is hinged to the spreader (9) so that the spreader (9) has at least a vertical state and a horizontal state.

5. The tower spreader according to claim 4, wherein a third connection (12) is hinged to the second hinge axis (11), and the lower end of the second sling (7) is connected to the third connection (12) by a third shackle (13).

6. The tower crane according to claim 5, wherein the third connecting member (12) is Y-shaped and comprises a second body (121) and two second connecting portions (122) extending from one end of the second body (121), a first through hole adapted to be inserted through the second hinge shaft (11) is formed in each of the two second connecting portions (122), a second through hole adapted to be fixedly connected to a connecting pin of the third shackle (13) is formed in the second body (121), and an axial direction of the first through hole is perpendicular to an axial direction of the second through hole.

7. The tower spreader according to claim 4, wherein the second articulated shaft (11) is provided with a self-lubricating system.

8. The tower hanger of claim 1, wherein the hanger (9) comprises a rectangular hanger main body (91), two short sides of the hanger main body (91) are respectively a first end and a second end, a plurality of bolt connection pairs (15) are arranged on the hanger main body (91) from the first end to the second end, each bolt connection pair (15) is connected with an adjusting block (14), a transverse waist-shaped hole (141) is arranged on each adjusting block (14), and the bolt connection pairs (15) are connected in the waist-shaped holes (141).

9. The tower spreader according to claim 1, wherein the suspension beam (1) comprises a suspension beam body (101) and an elongated portion (102) detachably connected to both ends of the suspension beam body (101), the first hinge axis (2) being provided at an end of the elongated portion (102).