A universal joint

By designing a universal joint and utilizing a combination of vertical pin holes, pins, clamping plates, and bolts, the problem of motion restriction when connecting the adapter to the cable was solved, enabling bidirectional rotation of the adapter on the floating wind turbine foundation and simplifying the installation process.

CN224452976UActive Publication Date: 2026-07-03中国电建集团贵州工程有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
中国电建集团贵州工程有限公司
Filing Date
2025-07-14
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In the existing technology, the connection method between the adapter and the cable cannot enable the adapter to move in two directions on the floating wind turbine foundation, which leads to installation difficulties.

Method used

A universal joint is designed. By setting vertical pin holes at both ends of the joint body and combining them with a pin, a retaining plate, a thrust washer and bolts, a reliable connection between the pin and the retaining plate is achieved. Combined with the structure of the fork lug and the lug plate, the adapter can achieve bidirectional rotational movement on the cable.

Benefits of technology

A stable connection between the adapter and the cable is achieved, enabling bidirectional rotational motion on the floating wind turbine base, thus simplifying the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a universal joint, comprising: a joint body, with pin holes at both ends of the joint body, the axes of the pin holes at both ends of the joint body being perpendicular to each other; a pin passing through each pin hole at both ends of the joint body, and a slot at each end of the pin for engaging with a locking plate. The ear plate is fixedly connected to an adapter at the top of the tower, and a cable is connected to the floating wind turbine foundation. After the adapter is connected to the floating wind turbine foundation via the cable, the adapter achieves rotational movement in two directions relative to the cable.
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Description

Technical Field

[0001] This utility model relates to a universal joint, belonging to the field of wind power hoisting and construction technology. Background Technology

[0002] An adapter is installed on top of the tower on the floating wind turbine foundation. This adapter is used for subsequent docking and installation with the main wind turbine unit. The adapter needs to be connected to the floating wind turbine foundation via cables; see Chinese Patent Publication No. CN218595982U.

[0003] After the adapter is connected to the floating wind turbine foundation via cables, the adapter and cables need to move in two directions. Summary of the Invention

[0004] To solve the above-mentioned technical problems, this utility model provides a universal joint.

[0005] This utility model is achieved through the following technical solution.

[0006] This utility model provides a universal joint, comprising:

[0007] The connector body has pin holes at both ends, and the axes of the pin holes at both ends of the connector body are perpendicular to each other;

[0008] The connector body has pins passing through the pin holes at both ends, and each end of the pin has a slot for engaging with the card plate.

[0009] Each of the pins is fitted with a thrust washer and a retaining plate, and there are two thrust washer and retaining plates on each pin, with the two thrust washer positioned between the two retaining plates; four bolts are screwed onto the retaining plates at intervals.

[0010] A fork lug is fitted on the pin at the front end of the connector body. The fork lug has an eye for fitting the pin. The fork lug is locked at the front end of the connector body. The inner surface of the fork lug contacts the front end of the connector body through a thrust pad. The outer surface of the fork lug contacts a retaining plate. The open retaining plate is locked in a retaining groove. The bolts on the two retaining plates tighten the fork lug against each other, so that the fork lug is on the pin.

[0011] The ear holes are fixedly connected by a cable.

[0012] Ear plates are fitted onto the pin at the rear end of the connector body. There are two ear plates that are relatively spaced apart. The inner surface of the ear plates contacts the rear end of the connector body through a thrust pad. The outer surface of the ear plates contacts a retaining plate. The bolts on the two retaining plates tighten the ear plates relative to each other, so that the two spaced ear plates are on the pin.

[0013] A reinforcing plate is fixed to the outer side of the ear plate.

[0014] The beneficial effects of this utility model are as follows: the ear plate is fixedly connected to the adapter at the top of the tower, the cable is connected to the floating wind turbine foundation, and after the adapter is connected to the floating wind turbine foundation through the cable, the adapter can achieve rotational movement in two directions relative to the cable. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a front view schematic diagram of the utility model;

[0017] In the diagram: 1-Connector body; 2-Pin shaft; 21-Slot; 3-Card plate; 31-Bolt; 4-Ear plate; 41-Reinforcing plate; 51-Fork ear; 52-Ear eye; 53-Cable. Detailed Implementation

[0018] The technical solution of this utility model is further described below, but the scope of protection is not limited to what is described.

[0019] like Figures 1 to 2 As shown.

[0020] A universal joint according to this application includes:

[0021] A connector body 1 has pin holes at both ends, and the axes of the pin holes at both ends of the connector body 1 are perpendicular to each other. Figure 1 Based on this, the axis of the pin hole at the front end of the connector body 1 runs vertically through the connector, and the axis of the pin hole at the rear end of the connector body 1 runs horizontally through the connector.

[0022] Pins 2 pass through the pin holes at both ends of the connector body 1. Both ends of the pins 2 are provided with slots 21. The locking plate 3 is pushed outward by the bolt 31 and locked in the slot 21. At this time, the locking plate 3 in the slot 21 provides a force base for the bolt 31 to tighten the fork lug 51 or lug 4.

[0023] Each of the pins 2 is fitted with a thrust pad 22 and a retaining plate 3. There are two thrust pads 22 and two retaining plates 3 on each pin 2, with the two thrust pads 22 located between the two retaining plates 3. Four bolts 31 are screwed onto the retaining plate 3 at intervals.

[0024] A fork lug 51 is fitted onto the pin 2 at the front end of the connector body 1. The fork lug 51 has an eyelet 52 for engaging the pin 2. The fork lug 51 is engaged at the front end of the connector body 1. The inner surface of the fork lug 51 contacts the front end of the connector body 1 through a thrust pad 22. The outer surface of the fork lug 51 contacts a retaining plate 3. The open retaining plate 3 is engaged in a retaining groove 21. The bolts 31 on the two retaining plates 3 are tightened against each other to secure the fork lug 51, so that the fork lug 51 is positioned on the pin 2. A pull cable 53 is fixedly connected to the eyelet 52.

[0025] Ear plates 4 are fitted onto the pin 2 at the rear end of the connector body 1. There are two ear plates 4 that are relatively spaced apart. The inner surface of the ear plates 4 contacts the rear end of the connector body 1 through the thrust pad 22. The outer surface of the ear plates 4 contacts the retaining plate 3. The bolts 31 on the two retaining plates 3 tighten the ear plates 4 against each other, so that the two spaced ear plates 4 are on the pin 2. A reinforcing plate 41 is fixed to the outer side of the ear plates 4.

[0026] Ear plate 4 is fixedly connected to the adapter at the top of the tower, and cable 53 is connected to the floating wind turbine foundation. After the adapter is connected to the floating wind turbine foundation through the cable, the adapter can achieve rotational movement in two directions relative to the cable 53.

Claims

1. A universal joint, characterized by include: The connector body (1) has pin holes at both ends, and the axes of the pin holes at both ends of the connector body (1) are perpendicular to each other. The connector body (1) has pins (2) passing through the pin holes at both ends, and the pins (2) are provided with slots (21) at both ends that engage with the card plate (3).

2. The universal joint of claim 1, wherein: Each of the pins (2) is fitted with a thrust pad (22) and a retaining plate (3). There are two thrust pads (22) and two retaining plates (3) on each pin (2). The two thrust pads (22) are located between the two retaining plates (3). Four bolts (31) are screwed onto the retaining plate (3) at intervals.

3. The universal joint of claim 1, wherein: A fork lug (51) is fitted on the pin (2) at the front end of the connector body (1). The fork lug (51) has an eye (52) for fitting the pin (2). The fork lug (51) is locked at the front end of the connector body (1). The inner surface of the fork lug (51) contacts the front end of the connector body (1) through the thrust pad (22). The outer surface of the fork lug (51) contacts a retaining plate (3). The open retaining plate (3) is locked in the retaining groove (21). The bolts (31) on the two retaining plates (3) are tightened against the fork lug (51) so that the fork lug (51) is on the pin (2).

4. The universal joint of claim 3, wherein: The ear hole (52) is fixedly connected to a cable (53).

5. The universal joint of claim 3, wherein: Ear plates (4) are fitted on the pin (2) at the rear end of the connector body (1). There are two ear plates (4) that are relatively spaced apart. The inner surface of the ear plates (4) contacts the rear end of the connector body (1) through the thrust pad (22). The outer surface of the ear plates (4) contacts the clamping plate (3). The bolts (31) on the two clamping plates (3) tighten the ear plates (4) against each other, so that the two spaced ear plates (4) are on the pin (2).

6. The universal joint of claim 5, wherein: A reinforcing plate (41) is fixed to the outside of the ear plate (4).