Pile leg lifting appliance

Abstract

The utility model provides a pile leg lifting appliance, which belongs to the technical field of cranes and comprises a lifting appliance main body which is provided with a control unit and is used for being fixedly connected with a crane, and a plurality of connecting feet are movably connected to the side end part of the lifting appliance main body. The connecting feet are configured to be fixedly connected with a plurality of lug plates on the side wall of the pile leg under the control of the control unit. According to the spud leg lifting appliance, when a spud leg needs to be lifted and put into the seabed, the spud leg can be lifted only by controlling the connecting feet on the lifting appliance main body to be fixedly connected with the lug plates on the side wall of the spud leg through the control unit, and a cover body on the spud leg does not need to be additionally taken off, so that the problem that when the spud leg is lifted and put into the seabed by an existing lifting machine, the spud leg cannot be lifted is solved. In the prior art, a cover body on the pile leg needs to be taken off, a crane is clamped in the pile leg to hoist the pile leg and put the pile leg into the seabed, and the cover body is re-covered after the pile leg is put into the seabed, so that the technical problem of complex and tedious operation is caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, concretely relates to a pile leg lifting appliance. BACKGROUND

[0002] In recent years, under the goal of "carbon peak and carbon neutralization", the renewable energy field has developed greatly, and offshore wind power technology is expected to become a mainstay of future green energy sources due to its abundant resources and large utilization prospects. Therefore, in order to develop more offshore green energy, more and more offshore wind turbines have appeared on the market, which include a tower, a fan blade assembled on the tower, and a pile leg for supporting the tower. The pile leg of the tower is the fixed foundation of the offshore wind turbine.

[0003] When installing the offshore wind turbine, the crane should first be used to lift the pile leg and place it into the seabed, and then the tower and the fan blade are assembled. However, in order to enable the crane to lift the pile leg, the existing technology usually requires that the cover on the pile leg be removed first, and the crane is connected to the inside of the pile leg to lift the pile leg and place it into the seabed. After the pile leg is placed into the seabed, the cover is re-covered. As can be seen, the above-mentioned scheme can satisfy the lifting of the pile leg by the crane, but it has the technical problem of complex and tedious operation. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a pile leg lifting appliance, which mainly solves the technical problem of complex and tedious operation caused by the need to remove the cover on the pile leg first, connect the crane to the inside of the pile leg to lift the pile leg and place it into the seabed, and then re-cover the cover after the pile leg is placed into the seabed when the existing crane lifts the pile leg and places it into the seabed.

[0005] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0006] A pile leg lifting appliance, comprising a lifting appliance main body having a control unit and being used for fixed connection with a crane, a plurality of connecting feet being movably connected to the side end of the lifting appliance main body, the connecting feet being configured to be fixedly connected with a plurality of ear plates on the side wall of the pile leg under the control of the control unit, one end of the connecting feet and the ear plates being provided with two clamping plates, the ear plates being between the two clamping plates, the clamping plates and the ear plates being provided with through holes for fasteners, the fasteners being used for connection with the output end of a jack, the jack being signal connected with the control unit, and the jack being connected to the outer side wall of one of the clamping plates through a connecting plate.

[0007] Further, the side wall of the clamping plate is further provided with a guide plate.

[0008] Further, the lower end of the lifting appliance main body is provided with a plug-in hole for the insertion of a bolt on the pile leg cover.

[0009] Further, the plug hole is provided with a sliding bearing.

[0010] Further, the lower end of the spreader body is provided with a plurality of sliding wheels for sliding on the pile leg cover body, and the sliding wheels are signal connected with the control unit.

[0011] Further, the spreader body is further provided with a snap ring, which is used for fixed connection with the traction rope on the crane.

[0012] The above technical scheme has the following advantages or beneficial effects:

[0013] The pile leg spreader provided by the utility model needs only to control the fixed connection of the connecting feet on the spreader body with the ear plates on the side wall of the pile leg through the control unit when the pile leg needs to be lifted and put into the seabed, so that the pile leg can be lifted without the need to take off the cover body on the pile leg in advance, thereby improving the technical problem that the cover body on the pile leg needs to be taken off in advance when the pile leg is lifted and put into the seabed by the crane, the crane is clamped in the inside of the pile leg to lift the pile leg and put it into the seabed, and the cover body is covered again after the pile leg is put into the seabed, which leads to the technical problem of complex and tedious operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is an explosion structure schematic view of the pile leg spreader and the pile leg part of the utility model;

[0015] Figure 2 is an assembly structure schematic view of the pile leg spreader and the pile leg of the utility model;

[0016] Figure 3 is Figure 2 is a local enlarged view of A in the figure;

[0017] Figure 4 is Figure 2 is a local enlarged view of B in the figure;

[0018] Figure 5 is an assembly structure schematic view of the clamp plate and the connecting plate in the pile leg spreader of the utility model;

[0019] LABEL EXPLANATION:

[0020] 1, control unit, 2, spreader body, 21, connecting foot, 211, clamp plate, 2111, guide plate, 22, plug hole, 23, sliding wheel, 24, snap ring, 3, pile leg, 31, ear plate, 32, cover body, 321, bolt, 4, fastener, 5, quick mounting head, 6, hydraulic telescopic cylinder, 7, jack, 8, connecting plate. DETAILED DESCRIPTION

[0021] The utility model will be further described in combination with the drawings and examples.

[0022] In the description of the utility model, it needs to understand that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0023] Please refer to the attached Figure 1 to the attached Figure 5 The utility model first embodiment provides a kind of spud leg lifting appliance, including the lifting appliance main body 2 with control unit 1 and for with crane fixed connection, specifically: lifting appliance main body 2 is fixedly connected with external crane by quick mounting head 5.Connection foot 21 can be movably connected on the side end portion of lifting appliance main body 2 by hydraulic telescopic cylinder 6, and multiple connection feet 21 are configured to be respectively used for being fixedly connected with multiple lug plates 31 on the side wall of spud leg 3 under the control of control unit 1.It can be understood that in the embodiment, when it needs to be lifted spud leg 3 and put into seabed, just control connection foot 21 on lifting appliance main body 2 and lug plate 31 on the side wall of spud leg 3 are fixedly connected by control unit 1, spud leg 3 can be lifted, without additionally taking off cover body 32 on spud leg 3, to improve the prior art crane spud leg 3 is lifted and put into seabed, need to take off cover body 32 on spud leg 3 first, let crane be connected in the inside of spud leg 3 to lift spud leg 3 and put into seabed, cover body 32 is covered again after spud leg 3 is put into seabed, to cause its to exist operation complex, tedious technical problem.

[0024] Please refer to the attached Figure 1 to the attached Figure 5 In one preferable embodiment, one end of connection foot 21 and lug plate 31 is provided with two clamping plates 211, and lug plate 31 is located between the two clamping plates 211 to clamp lug plate 31 and make the connection between connection foot 21 and lug plate 31 more firm.Both clamping plate 211 and lug plate 31 are provided with through holes for fastener 4 to pass through, fastener 4 is used to connect with the output end of jack 7, jack 7 is signal connected with control unit 1, and jack 7 is connected to the outer side wall of one of the clamping plates 211 through connecting plate 8.Specifically, when multiple connection feet 21 and multiple lug plates 31 are respectively aligned in position and two clamping plates 211 clamp lug plate 31 in the middle, control unit 1 controls jack 7 connected with fastener 4 to work to top fastener 4 into the through hole on clamping plate 211 and lug plate 31, thereby realizing the fixed connection of connection foot 21 and lug plate 31.Fastener 4 in the embodiment can be a latch or other mechanical parts that can realize fastening connection.

[0025] Preferably, the number of connecting feet 21 and ear plates 31 is three, or four or five, and the utility model does not make specific limitation.

[0026] Please refer to the accompanying drawings Figure 4 In one preferable embodiment, the side wall of the clamping plate 211 is further provided with a guide plate 2111, so as to guide the two clamping plates 211 to clamp the ear plate 31 in the middle.

[0027] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 4 In one preferable embodiment, the lower end of the sling body 2 is provided with a plug hole 22 for inserting the bolt 321 on the cover 32 of the pile leg 3, so as to position the center and prevent the whole sling from deviating in position during assembly. The plug hole 22 is provided with a sliding bearing, so that the sling can rotate smoothly around the bolt 321.

[0028] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 4 In one preferable embodiment, the lower end of the sling body 2 is provided with a plurality of sliding wheels 23 for sliding on the cover 32 of the pile leg 3, and the sliding wheels 23 are signal connected with the control unit 1. Specifically, the control unit 1 controls the motor connected with the sliding wheels 23 to control the sliding wheels 23 to slide on the cover 32, so as to control the sling body 2 to rotate around the bolt 321 to the appropriate position, so that the connecting feet 21 and the ear plates 31 are aligned, and then the connecting feet 21 and the ear plates 31 are fixedly connected.

[0029] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 3 In one preferable embodiment, the sling body 2 is further provided with a clamping ring 24, which is fixedly connected with the traction rope of the crane, so as to prevent the pile leg sling from shaking when lifting the pile leg 3.

[0030] The following is the assembly and use method of the utility model pile leg sling:

[0031] The connecting leg 21 of the hanger body 2 is initially in an unfolded state, and when the pile leg 3 needs to be lifted and placed into the seabed, the plug-in hole 22 on the hanger body 2 should be first matched and plugged with the plug pin 321 on the cover body 32 of the pile leg 3; then, the control unit 1 controls the sliding wheel 23 to slide on the cover body 32 and drive the hanger body 2 to rotate until the connecting leg 21 is aligned with the position of the lug plate 31; at this time, the control unit 1 controls the hydraulic telescopic cylinder 6 connected with the connecting leg 21 to work, so that the telescopic rod of the hydraulic telescopic cylinder 6 extends to drive the connecting leg 21 to rotate downward until the two clamping plates 211 of the connecting leg 21 clamp the lug plate 31 in the middle; finally, the control unit 1 also needs to control the jack 7 to work, so as to drive the fastener 4 to be inserted into the through hole on the clamping plate 211 and the lug plate 31, that is, the fixing and connecting of the pile leg hanger and the pile leg 3 is realized, so as to lift the pile leg 3 and place it into the seabed at any time.

[0032] The above is only used to illustrate the technical solutions of the present application, and is not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the present application, therefore, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

Claims

1. A spud leg spreader, characterized by: The utility model relates to a lifting device, including the control unit (1) with the lifting device body (2) for with crane fixed connection, the side end of lifting device body (2) can be movably connected with multiple connecting feet (21), multiple connecting feet (21) are configured to be respectively used for fixed connection with multiple lug plates (31) on the side wall of pile leg (3) under the control of control unit (1), the end of connecting foot (21) with lug plate (31) is connected with two clamping plates (211), lug plate (31) is between two clamping plates (211), clamping plate (211) and lug plate (31) are all equipped with the through hole for fastener (4) to pass through, fastener (4) is used to be connected with the output end of jack (7), jack (7) is signal connected with control unit (1), and jack (7) is connected on the outer side wall of one of clamping plate (211) through connecting plate (8).

2. A spud leg spreader according to claim 1, characterised in that: Clamping plate (211) is further equipped with guide plate (2111) on the side wall.

3. The spud leg spreader of claim 1, wherein: The lower end of lifting device body (2) is equipped with the insertion hole (22) for the insertion of the bolt (321) on the cover body (32) of pile leg (3).

4. A spud leg spreader according to claim 3, characterised in that: The insertion hole (22) is equipped with sliding bearing.

5. The spud leg spreader of claim 1, wherein: The lower end of lifting device body (2) is equipped with multiple sliding wheels (23) for sliding on the cover body (32) of pile leg (3), and sliding wheel (23) is signal connected with control unit (1).

6. The spud leg spreader of claim 1, wherein: Lifting device body (2) is further equipped with snap ring (24), and snap ring (24) is used for fixed connection with the traction rope on the crane.

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