CN117895388A - Cable sheath of fan unit - Google Patents

Abstract

The invention relates to the technical field of wind power generation and discloses a cable sheath of a fan unit, which comprises a mounting frame formed by splicing at least two mounting plates, wherein the outer edge of each mounting plate is provided with a limiting plate so as to enclose an annular limiting structure, the center of the mounting frame is provided with a main cable hole for mounting a main cable, the periphery of the mounting frame is provided with a plurality of thin cable holes for mounting thin cables, and the limiting plate is provided with a plurality of binding holes; the upper end and/or the lower extreme of mounting bracket are equipped with cable clamp splice, and the cable clamp splice is by two piece at least grip blocks splice shaping, and two adjacent grip blocks pass through the fastener and can dismantle the connection, and the mounting panel all is connected with the grip block, and at least one grip block all is not connected with arbitrary mounting panel to the aperture in the centre gripping hole of regulation cable clamp splice. Above-mentioned fan unit cable sheath, cable clamp splice formation mounting bracket, cable clamp splice clamp is tight main cable to connect thin cable and mounting bracket through the ribbon ligature, connection stability and reliability are stronger, and cable sheath's risk of droing is low.

Description

Cable sheath of fan unit

Technical Field

The invention relates to the technical field of wind power generation, in particular to a cable sheath of a fan unit.

Background

In order to enable the blower to always face the direction of the maximum wind force when in operation, a yaw system is arranged in the blower, and the blower can be adjusted to continuously yaw according to the wind direction. In the yaw process, the fan cabin rotates to drive the fan cable to twist, shake and lift up and down, in order to limit the large-amplitude swing of the fan cable, the top end of the fan tower is usually provided with a circular hoop matched with a cable sheath to limit and protect the fan cable.

The traditional cable sheath only utilizes the ribbon ligature fixed, and along with the long-time collision and the friction of cable sheath and circular staple bolt, the ribbon drops easily, and then leads to the cable sheath landing, can't continue to protect fan cable from wearing and tearing.

In summary, how to reduce the risk of falling off the cable jacket is a problem to be solved by those skilled in the art.

Disclosure of Invention

Therefore, the invention aims to provide the cable sheath of the fan unit, which can realize the splicing of the mounting frame through the connection of the clamping blocks and the connection of the cable clamping blocks and the mounting plate, has a simple structure and is convenient to assemble; the main cable is clamped by the cable clamping blocks, the thin cable and the mounting frame are connected through the binding tape, the connection stability and the reliability are stronger, and the falling risk of the cable sheath is low.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a fan unit cable sheath, includes the mounting bracket of being spliced by two at least mounting panels, the outer fringe of mounting panel is equipped with the limiting plate in order to enclose into annular limit structure, the central authorities of mounting bracket are equipped with the main cable hole that is used for installing main cable, the periphery of mounting bracket is equipped with a plurality of thin cable hole that is used for installing thin cable, the limiting plate is equipped with a plurality of ligature hole;

the upper end and/or the lower extreme of mounting bracket are equipped with the cable clamp splice, the cable clamp splice is by two piece at least grip blocks splice shaping, and adjacent two the grip blocks pass through the fastener and can dismantle the connection, the mounting panel all with the grip block is connected, and at least one the grip block with arbitrary the mounting panel all is not connected, so that adjust the aperture of the centre gripping hole of cable clamp splice.

Preferably, the outer edge of the clamping block is provided with an arc clamping hole so as to enclose the clamping hole, and the inner peripheral surface of the arc clamping hole is provided with a detachable anti-slip cushion layer.

Preferably, the clamping blocks are provided with through bolt mounting holes for mounting fastening bolts on two sides of the connecting surface, and the fastening bolts sequentially penetrate through the bolt mounting holes of the two adjacent clamping blocks and then are locked with the locking nuts.

Preferably, the outer surface of the clamping block is provided with an outwards protruding bolt connecting plate, the bolt connecting plate is provided with a bolt mounting hole for mounting a connecting bolt, and the bolt connecting plate is in bolt connection with the mounting plate.

Preferably, the cable protection device further comprises a cable protection tube sleeved in the thin cable hole, and the cable protection tube is provided with at least two binding holes.

Preferably, an anti-wear ring is arranged between the outer peripheral surface of the cable protection tube and the thin cable hole.

Preferably, the upper end and the lower end of the cable protection tube are respectively provided with a plurality of binding holes.

Preferably, the binding holes are uniformly distributed along the circumferential direction of the cable protection tube.

When in installation, each installation plate is firstly arranged around the main cable, so that the thinner thin cable is penetrated into the thin cable hole of the installation frame; then connecting the clamping blocks through fasteners, clamping the main cable by using clamping holes of the cable clamping blocks, and connecting the mounting plates with the splicing mounting frames; and finally binding and fixing the thin cables on the inner surface of the limiting plate by using the binding tape.

Compared with the traditional cable sheath which is only in binding connection, the fan unit cable sheath provided by the invention has the advantages that the cable clamping blocks can be used for clamping the main cable, the thin cable and the mounting frame are bound and connected through the binding belt, the cable clamping blocks can clamp and fix the main cable more closely, the main cable is not easy to fall off under the influence of collision and friction, the connection stability and reliability are stronger, the risk of falling and sliding of the cable sheath is effectively reduced, and irreversible accidents caused by cable abrasion and damage are avoided.

In addition, the fan unit cable sheath can be connected with the cable clamping block and the mounting plate through the clamping blocks, so that the installation frame is spliced, the structure is simple, and the assembly is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cable sheath of a fan unit according to an embodiment of the present invention;

FIG. 2 is a schematic top view of FIG. 1;

fig. 3 is a schematic view of the structure of the fan unit with the mounting frame removed from the cable sheath.

In fig. 1-3:

1 is a mounting frame, 11 is a mounting plate, 12 is a limiting plate, 121 is a binding hole, 2 is a cable clamping block, 21 is a clamping block, 22 is an anti-skid cushion layer, 23 is a fastening bolt, 24 is a bolt connecting plate, 3 is a cable protection tube, 31 is a binding hole, and 4 is an anti-wear ring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention has the core of providing the cable sheath of the fan unit, which can realize the splicing of the mounting frame through the connection of the clamping blocks and the connection of the cable clamping blocks and the mounting plate, and has simple structure and convenient assembly; the main cable is clamped by the cable clamping blocks, the thin cable and the mounting frame are connected through the binding tape, the connection stability and the reliability are stronger, and the falling risk of the cable sheath is low.

The invention provides a fan unit cable sheath, which comprises a mounting frame 1 formed by splicing at least two mounting plates 11, wherein the outer edge of each mounting plate 11 is provided with a limiting plate 12 so as to form an annular limiting structure, the center of the mounting frame 1 is provided with a main cable hole for mounting a main cable, the periphery of the mounting frame 1 is provided with a plurality of thin cable holes for mounting thin cables, and the limiting plate 12 is provided with at least two binding holes 121;

the upper end and/or the lower extreme of mounting bracket 1 are equipped with cable clamp splice 2, and cable clamp splice 2 is by two piece at least grip blocks 21 splice shaping, and adjacent two grip blocks 21 pass through the fastener and can dismantle the connection, and mounting panel 1 all is connected with grip block 21, and at least one grip block 21 all is not connected with arbitrary mounting panel 11 to the aperture in the centre gripping hole of adjusting cable clamp splice 2.

The mounting bracket 1 is used for locating the horizontal position of the thin cable and supporting and fixing the cable clamping block 2, the mounting bracket 1 comprises a mounting plate 11 which is horizontally arranged, when the mounting plate 11 is spliced to form the mounting bracket 1, the limiting plate 12 at the outer edge of the mounting plate 11 can enclose into an annular limiting structure, and not only can a fixing point be provided for binding and fixing the thin cable, but also the shaking amplitude of the main cable in the horizontal plane can be limited.

The annular limiting structure can be a circular limiting pipe as shown in fig. 1 or a rectangular limiting pipe, and the specific shape of the annular limiting structure is not limited, so long as the annular limiting structure can be enclosed into a closed annular structure.

The installation frame 1 is formed by splicing installation plates 11, each installation plate 11 is connected with a clamping block 21 of the cable clamping block 2, and the installation frame 1 is spliced by the connection of the cable clamping blocks 2; the attachment of the mounting plate 11 to the clamp block 21 may be a common detachable attachment such as a bolt attachment or a pin attachment, or may be a non-detachable attachment such as a welding attachment.

The main cable holes of the mounting frame 1 can be arranged on only one mounting plate 11, and can be spliced and formed by two or more arc-shaped main cable holes positioned at the outer edge of the mounting plate 11; the size of the main cable hole is determined according to the size range of the main cable in actual production, and the diameter of the main cable hole is not necessarily smaller than the maximum value of the outer diameter of the main cable.

The periphery of the mounting frame 1 is provided with a thin cable hole for penetrating and fixing a thin cable, so that the mounting frame 1 is convenient to mount and align, and the thin cable hole is usually arranged on a certain mounting plate 11 instead of being spliced; the thin cable hole may be a closed hole on the mounting plate 11, or may be an unclosed hole communicated with the limiting plate 12, that is, the limiting plate 12 closes an outer edge notch of the thin cable hole, as shown in fig. 2.

The specific number, shape, size and distribution of the fine cable holes are determined according to the cable wiring condition in actual production, and will not be described here again.

In order to conveniently fix the horizontal position of the thin cable, a limiting plate 12 at the outer edge of the mounting plate 11 is provided with a plurality of binding holes 121; in order to bind and fix the thin cables, one thin cable hole needs to correspond to at least two binding holes 121, so that the thin cables are bound and fixed on the inner surface of the limiting plate 12 by the binding tape passing through the two binding holes 121, and therefore the number of the binding holes 121 should be greater than or equal to twice the number of the thin cable holes on the mounting frame 1.

The upper end and/or the lower end of the mounting frame 1 is provided with a cable clamping block 2, and the cable clamping block 2 is used for clamping a main cable so as to prevent a cable sheath from falling and sliding down after long-time work; the number of the clamping blocks 21 may be the same as the number of the mounting plates 11 or may be different from the number of the mounting plates 11.

Considering the problem of convenience in assembly, the installation frame 1 is usually formed by splicing a left installation plate 11 and a right installation plate 11, and the cable clamping block 2 is formed by splicing a left clamping block 21 and a right clamping block 21, as shown in fig. 2.

The cable clamp block 2 is formed by splicing at least two clamp blocks 21, and the adjacent two clamp blocks 21 are detachably connected through fastening bolts 23, connecting pins and other fastening pieces; in order to effectively connect the cable clamp blocks 2, it is preferable to provide the clamp blocks 21 with through bolt mounting holes for mounting the fastening bolts 23 on both sides of the connection surface, and the fastening bolts 23 are sequentially passed through the bolt mounting holes of the adjacent two clamp blocks 21 and then locked with the lock nuts.

At least one clamping block 21 is not connected with any mounting plate 11, so that the aperture of a clamping hole surrounded by the clamping blocks 21 is not influenced by the mounting frame 1, and the aperture can be adjusted according to the outer diameter of the main cable so as to adapt to the main cables with different sizes.

In order to avoid the clamping block 21 damaging the surface layer of the main cable, the inner peripheral surface of the clamping hole is usually provided with a buffer cushion layer, and the buffer cushion layer is arranged into a rubber cushion layer, so that the buffer protection effect can be achieved, the main cable can be effectively clamped, and the main cable is prevented from sliding up and down relative to the clamping block 21.

When in installation, each installation plate 11 is firstly arranged around the main cable, so that the thinner thin cable is penetrated into the thin cable hole of the installation frame 1; then, connecting the clamping blocks 21 through fasteners, clamping the main cable by using the clamping holes of the cable clamping blocks 2, and connecting the mounting plates 11 to splice the mounting frame 1; finally, the thin cables are bound and fixed on the inner surface of the limiting plate 12 by using the binding tape.

In this embodiment, utilize cable clamp splice 2 to press from both sides tight main cable to connect thin cable and mounting bracket 1 through the ribbon ligature, compare in traditional cable sheath only adopts the ligature to connect, cable clamp splice 2 can press from both sides tight fixed main cable more, is difficult for droing under collision and friction influence, and connection stability and reliability are stronger, have reduced the risk that the cable sheath took off to drop down to slide effectively, thereby avoided the cable wearing and tearing to damage and arouse irreversible accident.

In addition, the fan unit cable sheath can be connected with the cable clamping blocks and the mounting plate through the connecting of the clamping blocks, so that the installation frame is spliced, the structure is simple and convenient, and the assembly is convenient.

Preferably, the outer edge of the clamping block 21 is provided with an arc clamping hole to enclose the clamping hole, the inner circumferential surface of the arc clamping hole is provided with a detachable anti-slip cushion layer 22, and the surface of the anti-slip cushion layer 22 can be provided with anti-slip designs such as anti-slip protrusions, anti-slip patterns and the like.

In order to stably connect the clamp block 21 and the mounting plate 11, it is preferable that the outer surface of the clamp block 21 is provided with an outwardly protruding bolt connection plate 24, the bolt connection plate 24 is provided with a bolt mounting hole for mounting a connection bolt, and the bolt connection plate 24 is bolted to the mounting plate 11.

The materials, dimensions, the number of the bolt mounting holes, the dimensions, the distribution, etc. of the bolt connecting plates 24 are determined by checking and calculating according to the structure of the mounting frame 1 and the cable clamping block 2 in actual production, the design connection strength requirement, etc., and are not described herein.

Referring to fig. 2, the mounting frame 1 is formed by splicing two mounting plates 11, namely a left mounting plate and a right mounting plate, wherein the left mounting plate is inserted into the right mounting plate in a protruding manner, and a main cable hole is formed in the center of the mounting frame 1;

the cable clamp splice 2 is spliced and formed by two clamping blocks 21 of left clamping block and right clamping block, and the both sides face of right clamping block all is equipped with bolted connection board 24, and the left and right both ends of bolted connection board 24 all are equipped with the bolt mounting hole to utilize connecting bolt fixed left mounting panel and right clamping block, right mounting panel and right clamping block.

On the basis of the above embodiment, in order to better protect the thin cable, the cable sheath may further include a cable protection tube 3 sleeved in the thin cable hole, where the cable protection tube 3 is provided with at least two binding holes 31.

Referring to fig. 1, a cable protection tube 3 is sleeved in a thin cable hole, and a thin cable is inserted into the cable protection tube 3 and is fastened on the inner surface of the cable protection tube 3 by a binding belt passing through two binding holes 31; the binding holes 121 of the limiting plate 12 are not bound with the binding bands at this time, and mainly play a role in weight reduction.

Of course, when the thin cable hole is communicated with the limiting plate 12, the cable protection tube 3 may be fastened and fixed to the inner surface of the limiting plate 12 by using a binding band penetrating through the binding hole of the limiting plate 12.

The cable protection tube 3 may be a circular tube, a square tube or any other cross-sectional shape, but in order to facilitate the processing of the binding holes 31 and the thin cable holes, the cable protection tube 3 is generally arranged as a circular tube or a square tube, and has regular shape and convenient processing and manufacturing;

the thin cable is lighter in weight, the swing amplitude of the thin cable is generally larger than that of the main cable when the fan is yawed, and in order to better limit the swing range of the thin cable, the length of the cable protection tube 3 is more than that of the limiting plate 12.

For the convenience of binding and fixing thin cables, the cable protection tube 3 is provided with at least two binding holes 31, for the convenience of adjusting the fixing positions of the thin cables, preferably, the binding holes 31 can be uniformly distributed along the circumferential direction of the cable protection tube 3, so that the fixing positions of the thin cables can be adjusted by adjusting the positions of the two binding holes 31 through which the binding belts pass, and binding requirements of thin cables with different sizes can be met.

Considering that the length of the cable protection tube 3 is generally longer, and the limiting plate 12 can influence the binding of the thin cable, a plurality of binding holes 31 are formed in the upper end and the lower end of the cable protection tube 3, so that the thin cable can be prevented from being obliquely inserted into the cable protection tube 3, abrasion between the thin cable and the two ends of the cable protection tube 3 can be reduced, and the operation space is larger and the binding is convenient.

In addition, the upper and lower binding and fixing are also beneficial to avoiding the cable protection tube 3 from sliding off after torsion.

In this embodiment, the thin cable is threaded in the cable protection tube 3, so that the thin cable can be effectively protected, and the swing range of the thin cable can be better restrained, and the thin cable can be limited.

Preferably, an anti-abrasion ring 4 is arranged between the cable protection tube 3 and the thin cable hole, the anti-abrasion ring 4 is usually an elastic ring such as a rubber ring, so that the surface abrasion of the cable protection tube 3 can be reduced, the service life of the cable protection tube is prolonged, the sealing installation between the cable protection tube 3 and the thin cable hole can be realized, and the connection is more stable and reliable.

In a specific embodiment, the mounting frame 1 is formed by splicing two mounting plates 11 of a left mounting plate and a right mounting plate, the left mounting plate is inserted into the right mounting plate in a protruding mode, the left mounting plate is provided with two thin cable holes, the right mounting plate is provided with one thin cable hole, and the three thin cable holes are uniformly distributed along the circumferential direction of the mounting frame 1;

the outer edge of the mounting plate 11 is provided with a limiting plate 12, the cross section of the limiting plate 12 is semicircular, the limiting plate 12 is uniformly provided with binding holes 121 and lightening holes along the circumferential direction, and the thin cable holes are communicated with the limiting holes 12 so that the cable protection tube 3 is tightly attached to the inner surface of the limiting plate 12, and therefore the size of the mounting plate 11 is reduced to lighten the overall quality of the cable sheath;

the cable clamp blocks 2 are arranged at the upper end and the lower end of the mounting plate 11, the cable clamp blocks 2 are formed by splicing a left clamp block and a right clamp block 21, bolt connecting plates 24 are arranged on two side surfaces of the right clamp block, and bolt mounting holes are formed at the left end and the right end of the bolt connecting plates 24 so as to fix the left mounting plate, the right clamp block, the right mounting plate and the right clamp block by using connecting bolts;

the surface of left grip block is equipped with a plurality of and subtracts heavy blind hole to alleviate the whole weight of cable sheath.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The fan unit cable sheath provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.

Claims (8)

1. The cable sheath of the fan unit is characterized by comprising a mounting frame (1) formed by splicing at least two mounting plates (11), wherein a limiting plate (12) is arranged at the outer edge of each mounting plate (11) to enclose an annular limiting structure, a main cable hole for mounting a main cable is formed in the center of each mounting frame (1), a plurality of thin cable holes for mounting thin cables are formed in the periphery of each mounting frame (1), and a plurality of binding holes (121) are formed in each limiting plate (12);

the cable clamp splice is characterized in that the upper end and/or the lower end of the mounting frame (1) is/are provided with cable clamp splice blocks (2), each cable clamp splice block (2) is formed by splicing at least two clamping blocks (21), two adjacent clamping blocks (21) are detachably connected through fasteners, the mounting plates (11) are all connected with the clamping blocks (21), and at least one clamping block (21) is/are not connected with any mounting plate (11), so that the aperture of a clamping hole of each cable clamp splice block (2) is adjusted.

2. Fan unit cable jacket according to claim 1, characterized in that the outer edge of the clamping block (21) is provided with an arc-shaped clamping hole to enclose the clamping hole, the inner circumferential surface of which is provided with a detachable anti-slip mat (22).

3. Fan unit cable sheathing according to claim 1, characterized in that the clamping blocks (21) are provided with through bolt mounting holes for mounting fastening bolts (23) on both sides of the connection surface, and the fastening bolts (23) are locked with locking nuts after passing through the bolt mounting holes of two adjacent clamping blocks (21) in sequence.

4. Fan unit cable jacket according to claim 1, characterized in that the outer surface of the clamping block (21) is provided with an outwardly protruding bolt connection plate (24), the bolt connection plate (24) is provided with a bolt mounting hole for mounting a connection bolt, the bolt connection plate (24) is in bolt connection with the mounting plate (11).

5. The fan unit cable jacket according to any of claims 1 to 4, further comprising a cable protection tube (3) sleeved in the thin cable hole, the cable protection tube (3) being provided with at least two of the lashing holes (31).

6. Fan unit cable jacket according to claim 5, characterized in that an anti-wear ring (4) is arranged between the outer circumferential surface of the cable protection tube (3) and the thin cable hole.

7. The fan unit cable sheath according to claim 5, wherein the upper and lower ends of the cable protecting tube (3) are provided with a plurality of binding holes (31).

8. Fan unit cable jacket according to claim 5, characterized in that the lashing holes (31) are evenly distributed in the circumferential direction of the cable protection tube (3).