Pressing and holding device of sling type wind power blade sling

Abstract

The utility model relates to a hold-down device of a sling type wind power blade sling. The end part of the hold-down support arm is hinged with a lifting appliance main body, and a hold-down oil cylinder is hinged between the hold-down support arm and the lifting appliance; a position-adjustable pivoting mounting seat is mounted on the hold-down support arm, a mounting cross shaft is connected to the pivoting mounting seat in a pivoting manner, two groups of mounting swing arms which are arranged in parallel are mounted on the pivoting mounting seat through the mounting cross shaft, and adjusting screw rods of which the longitudinal positions can be adjusted are mounted at two ends of each mounting swing arm; the lower end of each adjusting screw rod is connected with a pressing plate assembly through a ball head, and an elastic piece is installed between the two pressing plate assemblies installed on the same installation swing arm. The wind power blade pressing and fixing device can stably press and fix wind power blades, can be used for pressing and fixing wind power blades of different models, and is good in universality and high in adaptability.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind power construction equipment, and in particular relates to a holding device of a sling type wind power blade hanger. Background Art

[0002] Wind power generation is the fastest growing green energy technology in the world. Offshore wind power is at the forefront of wind power technology and is also a key area of ​​development for the international wind power industry.

[0003] As the capacity of offshore wind turbines increases, the blades become larger and heavier, the assembly height increases, and the deck space is limited, making it impossible to assemble the impeller on the deck before hoisting. The hub can only be installed first, and then the blades can be assembled in the air. The length of wind turbine blades is large and the shape is irregular, so there are difficulties in the transfer and transportation of blades and the hoisting construction. How to transport blades stably and reliably and install them stably and reliably is the focus of research and development in the industry.

[0004] Existing blade lifters can usually only perform simple lifting operations on the blades. Although a holding device is provided, the end of the holding device is designed according to the blade model. Due to the different blade models, the curved surfaces of the blades are different, which results in the need for the holding device to be customized according to each blade model, and has poor versatility. Since the same blade model may also result in different blade shapes due to processing errors, the holding device has poor fit and adaptability to the blade, resulting in insufficient stability of the blade during lifting and installation, affecting the construction effect. Utility Model Content

[0005] The utility model provides a holding device for a sling-type wind turbine blade hanger with reasonable structural design, strong versatility and strong adaptability in order to solve the technical problems existing in the known technology.

[0006] The utility model adopts the following technical scheme to solve the technical problems existing in the known technology: a holding device of a sling-type wind turbine blade hanger comprises a holding support arm whose end is hinged to the hanger body, and a holding oil cylinder is hingedly installed between the holding support arm and the hanger; a position-adjustable pivot mounting seat is installed on the holding support arm, a mounting cross shaft is pivotally connected to the pivot mounting seat, and two sets of mounting swing arms arranged in parallel are installed through the mounting cross shaft, and adjusting screws with adjustable longitudinal positions are installed at both ends of each mounting swing arm, and a pressure plate assembly is connected to the lower end of each adjusting screw through a ball head, and an elastic member is installed between the two sets of pressure plate assemblies installed on the same mounting swing arm.

[0007] The advantages and positive effects of the utility model are as follows: the utility model provides a pressing device for a sling-type wind turbine blade hanger, which can abut and press the blades by setting a pressure plate assembly, and can adjust the position of the pressure plate assembly in the vertical direction by setting an adjusting screw and the pressure plate assembly for ball head installation, and make the pressure plate assembly rotatable to automatically adjust the fitting surface with the blades, so as to make the fitting effect of the two better; by setting a pivot mounting seat and installing a cross axis to pivotally connect two sets of mounting swing arms, the installation of multiple pressure plate assemblies can be realized, so that the utility model has multiple rotatable pressure plate assemblies to fit with the blades, so as to improve the pressing and fixing effect of the wind turbine blades and can be used for the pressing and fixing of wind turbine blades of different models, with good versatility and strong adaptability.

[0008] Preferably: a screw sleeve is fixedly connected to both ends of each mounting swing arm, each adjusting screw is threadedly connected to the corresponding screw sleeve, a locking nut is threadedly engaged on the upper part of each adjusting screw, and a ball head piece that cooperates with the ball head of the pressure plate assembly is fixedly connected to the lower end of each adjusting screw.

[0009] Preferably: it also includes an adjustment mounting plate fixed to the lower end of the holding support arm, and an adjustment guide wheel rollingly connected to the adjustment mounting plate is installed on the pivot mounting seat; multiple groups of adjustment strip holes distributed along the length direction of the adjustment mounting plate are opened at the edges of both sides of the adjustment mounting plate, and the adjustment mounting plate and the pivot mounting seat are locked and connected by bolts and locking nuts passing through the adjustment strip holes.

[0010] Preferably: the pressure plate assembly includes a pressure holding base with a ball head hole in the middle, multiple groups of pressure plate mounting blocks are installed on the pressure holding base, and also includes a pressure plate connected by bolts and locking nuts passed through the pressure plate mounting blocks, and two groups of butt-connected sealing plates are installed on the pressure holding base by screws, and each sealing plate is provided with a semicircular opening groove.

[0011] Preferably: the holding base includes an intermediate mounting seat, a ball head hole is opened in the middle of the intermediate mounting seat, and also includes two groups of symmetrically arranged side mounting seats fixedly connected to the intermediate mounting seat, two groups of pressure plate mounting seats arranged in parallel are fixedly connected to the bottom of the two groups of side mounting seats and the intermediate mounting seat, and multiple groups of pressure plate mounting blocks are respectively installed at the edges of the two groups of pressure plate mounting seats.

[0012] Preferably, the pressure plate assembly further comprises a hole plate fixed to the inner end of the pressure holding base, and both ends of the elastic member are hung on the hole plate.

[0013] Preferably: the installation cross axis includes a square installation piece, on two opposite sides of the square installation piece are installed two groups of short shafts arranged coaxially, the two groups of short shafts are rotatably connected to the pivot mounting seat, on the other two opposite sides of the square installation piece are installed two groups of long shafts arranged coaxially, the two groups of long shafts are rotatably connected to the two groups of installation swing arms respectively; the long shaft and the short shaft are arranged perpendicularly.

[0014] Preferably, the elastic member is a tension spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the pressing base in the utility model.

[0017] In the figure: 1. Adjustment mounting plate; 2. Adjustment strip hole; 3. Pivot mounting seat; 4. Strengthening ribs; 5. Mounting swing arm; 6. Adjustment screw; 7. Screw sleeve; 8. Holding base; 8-1. Middle mounting seat; 8-2. Side mounting seat; 8-3. Pressure plate mounting seat; 8-4. Pressure plate mounting block; 8-5. Ball head hole; 9. Pressure plate; 10. Mounting cross shaft; 11. Elastic member; 12. Adjustment guide wheel; 13. Holding support arm; 14. Holding cylinder. DETAILED DESCRIPTION

[0018] In order to further understand the content, features and effects of the present invention, the following embodiments are described in detail as follows:

[0019] See also Figure 1 The holding device of the sling-type wind turbine blade hanger of the utility model includes a holding arm 13 whose end is hinged to the hanger body, and a holding cylinder 14 is hingedly installed between the holding arm 13 and the hanger. The cylinder barrel of the holding cylinder 14 is hinged to the hanger body through a pin, and the protruding end of the holding cylinder 14 is hinged to the holding arm 13 through a fisheye joint and a pin.

[0020] A pivotal mounting seat 3 with adjustable position is installed on the holding support arm 13, and a plurality of reinforcing ribs 4 are installed on the pivotal mounting seat 3 to improve the strength of the pivotal mounting seat 3. The holding support arm 13 and the pivotal mounting seat 3 are connected in the following manner: an adjustment mounting plate 1 is welded and installed on the lower end of the holding support arm 13, and an adjustment guide wheel 12 rollingly connected with the adjustment mounting plate 1 is installed on the pivotal mounting seat 3, and four groups of adjustment guide wheels 12 are provided and evenly distributed on both sides of the holding support arm 13, and multiple groups of adjustment strip holes 2 distributed along the length direction of the adjustment mounting plate 1 are opened at the edges of both sides of the adjustment mounting plate 1, and the adjustment mounting plate 1 and the pivotal mounting seat 3 are locked and connected by bolts and locking nuts penetrating the adjustment strip holes 2.

[0021] In addition, if Figure 1As shown, a mounting cross shaft 10 is pivotally connected to the pivot mounting seat 3, and two sets of mounting swing arms 5 arranged in parallel are installed through the mounting cross shaft 10. Structurally, the above-mentioned mounting cross shaft 10 includes a square mounting member, and two sets of short shafts arranged coaxially are installed on two opposite side surfaces of the square mounting member, and the two sets of short shafts are rotatably connected to the pivot mounting seat 3, and two sets of long shafts arranged coaxially are installed on the other two opposite side surfaces of the square mounting member, and the two sets of long shafts are rotatably connected to the two sets of mounting swing arms 5 respectively; wherein the long shaft and the short shaft are arranged perpendicularly.

[0022] In addition, adjusting screws 6 with adjustable longitudinal positions are installed at both ends of each mounting swing arm 5. Specifically, screw sleeves 7 are fixedly connected to both ends of each mounting swing arm 5. Each adjusting screw 6 is threadedly connected to the corresponding screw sleeve 7, and a locking nut is threadedly engaged on the upper part of each adjusting screw 6.

[0023] A ball head is fixedly connected to the lower end of each adjusting screw 6, and a pressure plate assembly is connected through the ball head of the ball head. An elastic member 11 is installed between two groups of pressure plate assemblies installed on the same mounting swing arm 5, and the elastic member 11 is a tension spring.

[0024] like Figure 1 As shown, structurally speaking, the pressure plate assembly includes a pressure holding base 8 with a ball head hole 8-5 in the middle, multiple sets of pressure plate mounting blocks 8-4 are installed on the pressure holding base 8, and also includes a pressure plate 9 connected by bolts and locking nuts passed through the pressure plate mounting blocks 8-4, wherein the above-mentioned pressure plate 9 can be made of rubber material.

[0025] like Figure 2 As shown, the above-mentioned holding base 8 includes an intermediate mounting seat 8-1, a ball head hole 8-5 is provided in the middle of the intermediate mounting seat 8-1, and also includes two groups of symmetrically arranged side mounting seats 8-2 fixedly connected to the intermediate mounting seat 8-1, and two groups of parallelly arranged pressure plate mounting seats 8-3 are fixedly connected to the bottom of the two groups of side mounting seats 8-2 and the intermediate mounting seat 8-1, and the above-mentioned multiple groups of pressure plate mounting blocks 8-4 are respectively installed at the edges of the two groups of pressure plate mounting seats 8-3. In addition, two groups of butt-jointed sealing plates are installed on the holding base 8 by screws, and semicircular opening grooves are provided on each sealing plate. Furthermore, strip plates spanning the butt surfaces of the sealing plates are installed on the above-mentioned two groups of sealing plates, and locking screws are penetrated on the strip plates. The strip plates, sealing plates and the intermediate mounting seat 8-1 are connected by the above-mentioned screws, thereby facilitating the ball head connection between the pressure plate assembly and the adjusting screw 6.

[0026] like Figure 1 As shown, the pressure plate assembly also includes a hole plate fixed to the inner end of the pressure holding base 8, and both ends of the elastic member 11 are hung on the hole plate.

[0027] Working principle:

[0028] When in use, the pressure of the above-mentioned pressure plate assembly on the blade is controlled by controlling the piston rod of the holding cylinder 14; the pressure plate 9 installed on the holding base 8 is pressed close to the wind turbine blade, and the spacing between the pressure plate 9 and the blade can be adjusted by rotating the adjusting screw 6. Since the mounting swing arm 5 can rotate around the mounting cross shaft 10, and the adjusting screw 6 is connected to the pressure plate assembly through a ball head, the fitting angle between the pressure plate 9 and the wind turbine blade can be adjusted, that is, the pressure plate 9 can be rotated, and the spacing with the wind turbine blade can be adjusted at the same time. The two ways of adjustment make the fitting degree between the pressure plate 9 and the wind turbine blade better, and make the holding device of the utility model highly versatile and widely used, not limited to the size of the wind turbine blade. In the actual working process, if it is necessary to adjust the vertical position of the pressure plate assembly, loosen the locking nut threaded on the adjusting screw 6, and then use a wrench to turn the adjusting screw 6 to adjust the vertical direction, and then retighten the locking nut on the adjusting screw 6.

Claims

1. A holding device for a sling-type wind turbine blade hanger, characterized in that: It comprises a holding support arm (13) whose end is hinged to the main body of the sling, and a holding oil cylinder (14) is hingedly installed between the holding support arm (13) and the sling; a pivot mounting seat (3) with adjustable position is installed on the holding support arm (13), a mounting cross shaft (10) is pivotally connected to the pivot mounting seat (3), and two sets of mounting swing arms (5) arranged in parallel are installed through the mounting cross shaft (10), and an adjusting screw (6) with adjustable longitudinal position is installed at both ends of each mounting swing arm (5), and a pressure plate assembly is connected to the lower end of each adjusting screw (6) through a ball head, and an elastic member (11) is installed between the two sets of pressure plate assemblies installed on the same mounting swing arm (5).

2. The holding device of the sling type wind turbine blade hanger according to claim 1 is characterized in that: Both ends of each mounting swing arm (5) are fixedly connected with a screw sleeve (7), each adjusting screw (6) is threadedly connected to the corresponding screw sleeve (7), a locking nut is threadedly engaged on the upper part of each adjusting screw (6), and a ball head member that cooperates with the ball head of the pressure plate assembly is fixedly connected to the lower end of each adjusting screw (6).

3. The holding device of the sling-type wind turbine blade hanger according to claim 1 is characterized in that: The invention also comprises an adjusting mounting plate (1) fixedly connected to the lower end of the holding support arm (13); an adjusting guide wheel (12) rollingly connected to the adjusting mounting plate (1) is mounted on the pivot mounting seat (3); a plurality of adjusting strip holes (2) distributed along the length direction of the adjusting mounting plate (1) are provided at the edges of both sides of the adjusting mounting plate (1); the adjusting mounting plate (1) and the pivot mounting seat (3) are locked and connected by bolts and locking nuts passing through the adjusting strip holes (2).

4. The holding device of the sling-type wind turbine blade hanger according to claim 2 is characterized in that: The pressure plate assembly comprises a pressure holding base (8) with a ball head hole (8-5) in the middle, a plurality of pressure plate mounting blocks (8-4) are mounted on the pressure holding base (8), and a pressure plate (9) connected by bolts and locking nuts passing through the pressure plate mounting blocks (8-4), two groups of butt-jointed sealing plates are mounted on the pressure holding base (8) by screws, and each sealing plate is provided with a semicircular opening groove.

5. The holding device of the sling-type wind turbine blade hanger according to claim 4 is characterized in that: The holding base (8) comprises an intermediate mounting seat (8-1), a ball head hole (8-5) is provided in the middle of the intermediate mounting seat (8-1), and also comprises two groups of side mounting seats (8-2) fixedly connected to the intermediate mounting seat (8-1) and symmetrically arranged, two groups of pressure plate mounting seats (8-3) arranged in parallel are fixedly connected to the bottom of the two groups of side mounting seats (8-2) and the intermediate mounting seat (8-1), and a plurality of groups of pressure plate mounting blocks (8-4) are respectively installed at the edges of the two groups of pressure plate mounting seats (8-3).

6. The holding device of the sling-type wind turbine blade hanger according to claim 4 is characterized in that: The pressure plate assembly also includes a hole plate fixed to the inner end of the pressure holding base (8), and the two ends of the elastic member (11) are hung on the hole plate.

7. The holding device of the sling-type wind turbine blade hanger according to claim 1, characterized in that: The mounting cross shaft (10) comprises a square mounting part, on two opposite sides of the square mounting part are mounted two groups of short shafts arranged coaxially, the two groups of short shafts are rotatably connected to the pivot mounting seat (3), and on the other two opposite sides of the square mounting part are mounted two groups of long shafts arranged coaxially, the two groups of long shafts are rotatably connected to the two groups of mounting swing arms (5) respectively; the long shafts are arranged perpendicularly to the short shafts.

8. The holding device of the sling-type wind turbine blade hanger according to claim 1, characterized in that: The elastic member (11) is a tension spring.

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