Offshore wind power submarine cable embankment penetrating pulley device
By introducing positioning rollers to the offshore wind power submarine cable penetration pulley device to limit the position and direction of the land cable, the wear problem caused by shaking or tilting of the land cable is solved, and the effect of reducing wear risk and improving smoothness is achieved.
Patent Information
- Application Number
- CN202421529642.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-01
AI Technical Summary
Offshore wind power land cables are prone to impact or fit the edge of the pulley when shaking or tilting, resulting in increased skin wear.
An offshore wind power submarine cable penetration pulley device is designed, including a bracket, a crossbar, a fixing frame, a pulley body and a positioning roller. The positioning roller limits the position and direction of the land cable, provides additional support and guidance, and avoids shaking and bending contact with the pulley edge.
It effectively reduces the wear risk of land cable skin, extends service life, and improves movement smoothness.
Smart Images
Figure CN223156590U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to pulleys, and particularly relates to a pulley device for a submarine cable of an offshore wind farm to pass through a levee. Background Art
[0002] The pulley device for a submarine cable of an offshore wind farm to pass through a levee refers to a pulley device used when a submarine cable passes through a levee or a slope in an offshore wind farm, which is used to guide the direction of the submarine cable when passing through the levee or the slope and provide support to prevent the submarine cable from hanging in the air or being damaged. However, when the submarine cable shakes or enters the pulley in an inclined state, it will cause the surface of the submarine cable to collide or move along the edge of the pulley, resulting in increased wear of the surface skin of the submarine cable. Content of the Utility Model
[0003] The purpose of the utility model is to provide a pulley device for a submarine cable of an offshore wind farm to pass through a levee, so as to solve the problem that when the submarine cable shakes or enters the pulley in an inclined state as mentioned in the above background art, the surface of the submarine cable will collide or move along the edge of the pulley.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A pulley device for a submarine cable of an offshore wind farm to pass through a levee, comprising a support a and a cross bar installed between the inner walls at the left and right ends of the support a;
[0005] Between the outer walls of the upper ends of the support a and the cross bar and respectively near the left and right sides, a plurality of fixing frames are fixedly connected;
[0006] A pulley main body is arranged between the two fixing frames to support the submarine cable;
[0007] On the outer wall of the upper end of the support a and respectively near the front and rear sides, a plurality of positioning rollers are arranged on one side of the pulley main body to limit the direction and position of the submarine cable when it moves.
[0008] Preferably, a fixing sleeve is fixedly connected inside each of the plurality of positioning rollers, and a plurality of clamping blocks are fixedly connected to the outer wall of the upper end of the support a and penetrate upward into the inside of the fixing sleeve to pre-position the positioning rollers.
[0009] Preferably, a threaded hole with an upward opening is formed in the center of the outer wall of the upper end of each of the plurality of clamping blocks, and a fixing screw is fixedly connected to the outer wall of the upper end of each of the plurality of fixing sleeves and is in threaded connection with the threaded hole downward to limit the position of the positioning rollers.
[0010] Preferably, grooves are formed in the center of the outer wall of the upper end of the support a and respectively near the left and right sides, and positioning rods are fixedly connected between the inner walls at the front and rear ends of the two grooves.
[0011] Preferably, lifting rollers are sleeved on the circular outer walls of the two positioning rods to lift the downward cable moving from the lower side of the pulley body, and both the positioning rollers and the lifting rollers can rotate clockwise and counterclockwise.
[0012] Preferably, positioning shafts penetrating through the inside of the fixing frame are arranged between the front and rear outer walls of the two pulley bodies to limit the positions of the pulley bodies, and a bracket b is fixedly connected to the rearmost side of the upper outer wall of the bracket a.
[0013] Preferably, a plurality of vertically penetrating mounting holes b are formed inside the upper outer wall of the bracket a, and a plurality of front and rear penetrating mounting holes a are equidistantly formed on the front outer wall of the bracket b.
[0014] Compared with the prior art, the utility model provides an offshore wind power submarine cable embankment-piercing pulley device, which has the following beneficial effects:
[0015] By installing two positioning rollers, when the onshore cable passes through the lower side of the pulley body, if the onshore cable is bent or shakes greatly, the positions of the onshore cable can be clamped and restricted by the two positioning rollers, providing additional support and guidance, avoiding the situation of the onshore cable shaking or swinging, and at the same time reducing the situation of the onshore cable contacting the side of the pulley body due to bending or shaking, reducing friction, reducing the risk of damage and cracking of the onshore cable skin, and prolonging the service life of the onshore cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic structural diagram of an offshore wind power submarine cable embankment-piercing pulley device of the utility model.
[0017] Figure 2 It is a partial structural diagram of the positioning roller area of the utility model.
[0018] Figure 3 It is a partial front sectional structural diagram of the positioning roller area of the utility model.
[0019] Figure 4 It is a partial side sectional structural diagram of the lifting roller area of the utility model.
[0020] In the figure: 1. Bracket a; 2. Cross bar; 3. Fixing frame; 4. Positioning shaft; 5. Pulley body; 6. Bracket b; 7. Mounting hole a; 8. Positioning roller; 9. Groove; 10. Lifting roller; 11. Fixing screw; 12. Fixing sleeve; 13. Block; 14. Threaded hole; 15. Positioning rod; 16. Mounting hole b. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0022] The present invention provides a Figures 1-3 marine wind power submarine cable passing through dike pulley device as shown, including a bracket a1 and a cross bar 2 installed between the inner walls at the left and right ends of the bracket a1;
[0023] Between the outer walls at the upper ends of the bracket a1 and the cross bar 2, and respectively close to both sides, a plurality of fixing frames 3 are fixedly connected;
[0024] A pulley main body 5 is arranged between the two fixing frames 3 to support the land cable. When guiding the position of the wind power transmission land cable, first fix the bracket a1 on the passing route of the land cable, place the land cable on the pulley main body 5, support and limit the position of the land cable through the pulley main body 5. When the land cable moves, it will drive the pulley main body 5 to rotate, thus ensuring the smoothness of the land cable movement;
[0025] On the outer wall at the upper end of the bracket a1, and respectively close to the front and rear sides, a plurality of positioning rollers 8 located on one side of the pulley main body 5 are arranged to limit the direction and position of the land cable when it moves. When the land cable contacts the pulley main body 5, the position where the land cable contacts the pulley main body 5 will be restricted by the two positioning rollers 8. When the land cable is lifted by the pulley main body 5 in a bent state, under the restriction of the positioning rollers 8, the situation where the bent land cable contacts the edge of the pulley main body 5 and moves can be avoided, and while guiding the land cable, the damage to the surface of the land cable can be reduced.
[0026] As Figure 3 shown, a fixing sleeve 12 is fixedly connected inside each of the plurality of positioning rollers 8, and a plurality of clamping blocks 13 penetrating upward inside the fixing sleeve 12 are fixedly connected to the outer wall at the upper end of the bracket a1 to pre-position the positioning rollers 8. Threaded holes 14 with upward openings are formed inside the centers of the outer walls at the upper ends of the plurality of clamping blocks 13, and fixing screws 11 threadedly connected with the threaded holes 14 downward are fixedly connected to the outer walls at the upper ends of the plurality of fixing sleeves 12 to limit the positions of the positioning rollers 8.
[0027] When installing the positioning rollers 8, first insert the fixing sleeve 12 inside the positioning roller 8 onto the clamping block 13, and then threadedly connect the fixing screw 11 inserted downward with the threaded hole 14 formed on the clamping block 13, so as to limit the position of the positioning roller 8. The positioning roller 8 can rotate under the restriction of the fixing sleeve 12.
[0028] As Figure 2and Figure 4 As shown in Figure 4 , grooves 9 are provided at the center of the outer wall of the upper end of the bracket a1 and are respectively close to the left and right sides. Positioning rods 15 are fixedly connected between the inner walls at the front and rear ends of the two grooves 9. Lifting rollers 10 are sleeved on the circular outer walls of the two positioning rods 15 to lift the downward cable moving from the lower side of the pulley body 5. Both the positioning roller 8 and the lifting roller 10 can rotate clockwise and counterclockwise.
[0029] When the downward cable moves from the lower side of the pulley body 5, the downward cable can be lifted by the lifting roller 10 to prevent the downward cable from contacting the surface of the bracket a1 during movement, which may cause the surface wear rate of the downward cable to increase.
[0030] As Figure 1 shown in Figure 1 , positioning shafts 4 penetrating through the inside of the fixed frame 3 are provided between the outer walls at the front and rear ends of the two pulley bodies 5 to limit the positions of the pulley bodies 5. A bracket b6 is fixedly connected to the rearmost side of the outer wall of the upper end of the bracket a1. A plurality of vertically penetrating mounting holes b16 are provided inside the outer wall of the upper end of the bracket a1. A plurality of front-to-rear penetrating mounting holes a7 are equidistantly provided on the front outer wall of the bracket b6.
[0031] By the positioning shaft 4, the centers of rotation of the two pulley bodies 5 during rotation are restricted, and at the same time, the positions and the heights from the ground of the pulley bodies 5 are restricted. The position of the pulley body 5 can be restricted by the bracket b6 according to different installation conditions. When fixing the bracket a1 and the bracket b6, the positions of the bracket a1 and the bracket b6 can be fixedly connected by passing an external fixing bolt through the corresponding mounting hole a7 or mounting hole b16 to the wall or the ground.
[0032] The implementation principle of this embodiment is as follows: When guiding the position of the onshore cable for wind power transmission, first fix the bracket a1 on the passing route of the onshore cable, place the onshore cable on the pulley body 5, and support and restrict the position of the onshore cable through the pulley body 5. When the onshore cable moves, it will drive the pulley body 5 to rotate, thereby ensuring the smoothness of the onshore cable during movement. When the onshore cable contacts the pulley body 5, the position where the onshore cable contacts the pulley body 5 can be restricted by the two positioning rollers 8. When the onshore cable is lifted by the pulley body 5 in a bent state, the situation where the bent onshore cable contacts the edge of the pulley body 5 during movement can be avoided under the restriction of the positioning roller 8, while guiding the onshore cable, the damage to the onshore cable skin can be reduced.
[0033] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. An offshore wind power submarine cable passing through embankment pulley device, comprising a bracket a (1) and a cross bar (2) installed between the inner walls at the left and right ends of the bracket a (1); Between the outer walls at the upper ends of the bracket a (1) and the cross bar (2) and respectively near the left and right sides, a plurality of fixing frames (3) are fixedly connected; A pulley main body (5) is arranged between the two fixing frames (3) to support the land cable; It is characterized in that: On the outer wall at the upper end of the bracket a (1) and respectively near the front and rear sides, a plurality of positioning rollers (8) are arranged on one side of the pulley main body (5) to limit the direction and position of the land cable when moving.
2. The offshore wind power submarine cable crossing embankment pulley device according to claim 1, wherein: A fixing sleeve (12) is fixedly connected inside each of the plurality of positioning rollers (8), and a plurality of clamping blocks (13) penetrating upward inside the fixing sleeve (12) are fixedly connected to the outer wall at the upper end of the bracket a (1) to pre-position the positioning rollers (8).
3. The offshore wind power submarine cable passing-through embankment pulley device according to claim 2, wherein: Threaded holes (14) with upward openings are formed inside the centers of the outer walls at the upper ends of the plurality of clamping blocks (13), and fixing screws (11) threadedly connected to the threaded holes (14) downward are fixedly connected to the outer walls at the upper ends of the plurality of fixing sleeves (12) to limit the positions of the positioning rollers (8).
4. The offshore wind power submarine cable crossing the dam pulley device according to claim 1, characterized in that: Grooves (9) are formed on the outer wall at the center of the upper end of the bracket a (1) and respectively near the left and right sides, and positioning rods (15) are fixedly connected between the inner walls at the front and rear ends of the two grooves (9).
5. The offshore wind power submarine cable crossing dam pulley device according to claim 4, characterized in that: Lifting rollers (10) are sleeved on the circular outer walls of the two positioning rods (15) to lift the downward moving cable under the pulley main body (5), and the positioning rollers (8) and the lifting rollers (10) can both rotate clockwise and counterclockwise.
6. The offshore wind power submarine cable crossing dam pulley device according to claim 1, characterized in that: Positioning shafts (4) penetrating inside the fixing frames (3) are arranged between the outer walls at the front and rear ends of the two pulley main bodies (5) to limit the positions of the pulley main bodies (5), and a bracket b (6) is fixedly connected to the rearmost side of the outer wall at the upper end of the bracket a (1).
7. The offshore wind power submarine cable passing-through embankment pulley device according to claim 6, wherein: A plurality of vertically penetrating mounting holes b (16) are formed inside the outer wall at the upper end of the bracket a (1), and a plurality of front and rear penetrating mounting holes a (7) are equidistantly formed on the front outer wall of the bracket b (6).