CN219262598U

CN219262598U - Safe lifting and fixing device for conductive rail of wind power tower barrel

Info

Publication number: CN219262598U
Application number: CN202320543728.3U
Authority: CN
Inventors: 杨磊; 曹晓波; 魏刚
Original assignee: Inner Mongolia Beifang Tongchuang New Energy Technology Co ltd
Current assignee: Inner Mongolia Beifang Tongchuang New Energy Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-27
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a safe lifting and fixing device for a conductive rail of a wind power tower, which comprises a conductive rail vertically arranged on the wind power tower, wherein the conductive rail is fixed with the inner wall of the wind power tower through a plurality of groove plate fixing pieces, the groove plate fixing pieces are reinforced and fixed with the conductive rail through a hanging lifter, the hanging lifter of the scheme adopts mechanical suite connection, a series of auxiliary influences on the original design of the wind power tower and the conductive rail equipment body, such as punching and welding, are avoided, redundant space is not occupied, meanwhile, the falling condition of the equipment can be discovered for the first time during routine inspection, the flexible adjustment purpose is achieved, the stress of the original groove plate fixing pieces is correspondingly reduced, the loosening and falling phenomenon of the groove plate bolts and the elastic components of the groove plate fixing pieces is avoided, the displacement and the falling phenomenon of the conductive rail are fundamentally stopped, and the safe operation of the conductive rail of the wind power tower is ensured.

Description

Safe lifting and fixing device for conductive rail of wind power tower barrel

Technical Field

The utility model relates to the field of wind power electric guide rails, in particular to a wind power tower barrel electric guide rail safety lifting and fixing device.

Background

At present, the tower conductor rail is widely applied to wind generating sets, and the set conductor rail is one of important parts for power transmission and is also a part with higher value of the set part. Along with the continuous increase of rated power of the wind generating set, the overall dimension and the weight of a conductor rail are also increased continuously, the power transmission equipment of the tower drum of the wind generating set reaching WD1500 adopts the conductor rail (stator and rotor) for transmission, the conductor rail is arranged in a conductor rail groove body for up-down connection and is fixed on the inner wall of the tower drum through an independent fixing piece, in the existing connection mode, the conductor rail is fixed with the inner wall of the tower drum through a plurality of groove plate fixing pieces (as shown in figure 5) through a conductor rail groove on the outer side, the groove plate fixing pieces comprise a fixed groove plate 3, an elastic component 5 and a fixed column 6, the fixed groove plate 3 is fixed with the conductor rail groove through a groove plate bolt 4, the back part of the fixed groove plate 3 is fixed through the elastic component 5 and the fixed column 6 arranged on the inner wall of the tower drum, and the elastic component 5 is composed of two strip plates and a plurality of rubber columns arranged between the two strip plates, and the rubber columns are connected and fixed with the two strip plates through elastic supporting bolts;

in the latter operation process, the part (the groove plate fixing piece) is found to be subjected to vibration problems in the unit operation process and large weight of the conductive rail for a long time, and the device has the following series of problems:

the groove plate bolts 4 on the fixed groove plate 3 of the conductive rail groove and groove plate fixing piece fall off;

after the bolts 4 of the groove plates are separated, the conductor rail groove is separated from the fixed groove plates 3, so that the fixed point of the conductor rail groove part is in a suspended state; a column of fixed columns 6 on the inner wall of the tower is used as a reference surface for fixing the conductive rail, and the conductive rail is wholly displaced and falls down;

the elastic rubber column body between the elastic components 5 at the back of the fixed groove plate 3 deforms, and the penetrated elastic supporting bolt also has bending phenomenon;

the existence of the whole problems can induce a major safety hazard to the conductor rail. Serious accidents of uncontrollable major equipment caused by the integral falling of the conductor rail can be even caused.

Disclosure of Invention

In order to solve the problems, the utility model provides a safe lifting and fixing device for a conductive rail of a wind power tower.

The utility model is realized by the following technical scheme:

the utility model provides a wind-powered electricity generation tower section of thick bamboo conductor rail safety promotion fixing device, includes the conductor rail of the vertical setting of wind-powered electricity generation tower section of thick bamboo, and the conductor rail is fixed with wind-powered electricity generation tower section of thick bamboo inner wall through a plurality of frid mounting, and the frid mounting is strengthened fixedly through hanging riser and conductor rail, hangs the riser including with fix the protection staple bolt on the conductor rail, the protection staple bolt lateral part is connected fixedly through adjusting pull rod and frid mounting.

Further alternatively, the fixed slot plate comprises a fixed slot plate, an elastic component and a fixed column, wherein the fixed slot plate is connected and fixed with the conductive rail through a plurality of slot plate bolts, and the back of the fixed slot plate is connected and fixed with the fixed column arranged on the inner wall of the wind power tower through the elastic component.

Further alternatively, the upper part of the adjusting pull rod of the hanging lifter is hinged and fixed with the buckle piece fixed on the fixed column, and the lower part of the adjusting pull rod is hinged and fixed with the protection hoop.

Further optionally, a flexible protective sleeve contacting with the conductive rail is arranged on the inner side of the protective hoop.

Further optionally, the upper and lower surfaces of the protection anchor ear are provided with inclined surfaces along the lifting direction of the conductive rail.

Further optionally, the protection hoop includes two half frame-shaped hoop boards that mutually cooperate, and the both sides of two half frame-shaped hoop boards are pressed from both sides the conductor rail through a plurality of bolts and are pressed from both sides fixedly.

Further alternatively, the fixed slot plate fixes the conductive rail through four groups of slot plate bolts, and two slot plate bolts of each group are connected and fixed through the connecting plate.

Further alternatively, the elastic component comprises two strip-shaped plates, a plurality of rubber columns are arranged between the two strip-shaped plates, and the rubber columns are fixedly connected with the strip-shaped plates at two sides through elastic supporting bolts penetrating through the rubber columns.

Compared with the prior art, the utility model has the beneficial effects that: the hanging lifter of this scheme adopts mechanical external member to connect, a series of affiliated influences to the original design production of equipment such as having avoided punching of wind-powered electricity generation tower section of thick bamboo, conductor rail equipment body, welding, and do not occupy unnecessary space, can discover equipment whereabouts condition (conductor rail and protection staple bolt produce obvious position and slide the vestige phenomenon after the whereabouts) in the time of doing routine inspection simultaneously, reach nimble adjustment purpose, and corresponding atress that has reduced original frid mounting moreover, frid bolt and the elastic component of frid mounting appear not hard up droing the phenomenon, displacement, whereabouts phenomenon production have fundamentally been stopped to the conductor rail, guarantee the safe operation of wind-powered electricity generation tower section of thick bamboo conductor rail.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic diagram of the present utility arrangement;

FIG. 4 is a diagram illustrating a force analysis of the utility suspension lifter against the conductor rail;

FIG. 5 is a schematic view of a prior art construction;

in the figure: wind power tower 1, conductor rail 2, fixed frid 3, frid bolt 4, elastic component 5, fixed column 6, buckle spare 7, adjusting lever 8, protection staple bolt 9, flexible lag 10, connecting plate 11.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and detailed description:

as shown in fig. 1 and 2, a wind power tower conductive rail safety lifting fixing device comprises a conductive rail 2 which is vertically arranged in a wind power tower 1, wherein the conductive rail 2 is fixed with the inner wall of the wind power tower 1 through a plurality of groove plate fixing pieces, the groove plate fixing pieces are reinforced and fixed with the conductive rail 2 through hanging lifters, the hanging lifters can be arranged at intervals or uniformly arranged, the hanging lifters comprise protective hoops 9 which are fixed on the conductive rail 2, the protective hoops 9 are designed to be enclosed, the stress surface of a cable groove body can be effectively improved, and deformation phenomenon cannot occur after lifting.

As shown in fig. 1, the side part of the illustrated protective hoop 9 is connected with the slot plate fixing piece through the adjusting pull rod 8, so that the length of the adjusting pull rod 8 can be adjusted according to the field distance of the protective hoop 9, and the protective hoop is kept in a tensioning state.

As shown in fig. 1, the fixed slot plate 3 is connected and fixed with the conductor rail 2 through a plurality of slot plate bolts 4, and the back of the fixed slot plate 3 is connected and fixed with the fixed column 6 arranged on the inner wall of the wind power tower 1 through the elastic component 5, wherein the elastic component 5 is used for eliminating the vibration of the tower.

As shown in fig. 1, the upper part of the adjusting pull rod 8 of the suspension lifter is hinged and fixed with the fastening piece 7 fixed on the fixed column 6, the fastening piece 7 is convenient for fixing the adjusting pull rod 8 and the fixed column 6, the additional welding and the dismounting are not needed, and the lower part of the adjusting pull rod 8 is hinged and fixed with the protection hoop 9.

As shown in fig. 1 and 2, a flexible protective sleeve 10 contacting with the conductor rail 2 is arranged on the inner side of the protective hoop 9, and the flexible protective sleeve 10 improves friction force to prevent sideslip. The upper and lower surfaces of the protective hoops 9 are arranged along the lifting direction of the conductor rail 2 by inclined planes.

As shown in fig. 1, the protection anchor ear 9 includes two half frame-shaped anchor ear plates that cooperate with each other, and both sides of the two half frame-shaped anchor ear plates are clamped and fixed to the conductor rail 2 by a plurality of bolts.

As shown in fig. 1, the fixed slot plate 3 fixes the conductive rail 2 through four groups of slot plate bolts 4, the slot plate bolts 4 can be replaced by high-strength bolts to improve the service life of the conductive rail, two slot plate bolts 4 of each group are connected and fixed through the connecting plate 11, the connecting plate 11 selects a connecting sheet made of aluminum alloy with a certain thickness to act on the connection between two bodies of each group of slot plate bolts 4, the connection strength of the connecting sheet is enhanced, and the tearing of the slot body is prevented.

As shown in fig. 1, the elastic assembly 5 includes two strip-shaped plates, between which a plurality of rubber columns are disposed, and the rubber columns are connected and fixed with the strip-shaped plates on both sides by elastic supporting bolts penetrating the rubber columns.

The implementation principle of the safe lifting and fixing device for the conductor rail of the wind power tower barrel is as follows:

the conductor rail 2 is fixed with the inner wall of the wind power tower 1 through a plurality of groove plate fixing pieces, a small-range hanging lifter is additionally arranged on a fixing column 6 of the groove plate fixing pieces and is fixedly fixed at the position about 30CM of the lower end of the fixed groove plate 3, a hanging lifting protection hoop 9 integrally surrounds the outer groove body of the conductor rail 2 during fixing, so that the outer groove body is used as a lifting stress surface, meanwhile, metal friction between the protection hoop 9 and the groove body of the conductor rail 2 is considered, a polyurethane flexible protection sleeve 10 is additionally arranged between the protection hoop 9 and the conductor rail 2, friction force between the protection hoop 9 and the conductor rail 2 is increased, and slipping phenomenon between the protection hoop 9 and the conductor rail 2 after being stressed is prevented;

the adjusting pull rod 8 on one side of the protection hoop 9 is used for adjusting the tension of the suspension lifter on the conductor rail 2, the adjusting pull rod 8 is arranged by adopting a mechanical turnbuckle with higher reliability in practice, the tension adjusting property is better, the adjusting range of the equipment is locked by locking nuts at the two ends of the adjusting pull rod 8, the adjusting pull rod 8 is always in a tensioning state, and the adjusting pull rod 8 can also adopt a hydraulic and pneumatic flexible pull rod according to the field condition of the conductor rail 2, so that the adjusting pull rod has better vibration buffering effect;

the upper surface and the lower surface of the protective hoop 9 are provided with inclined surfaces, the inclined angle of the inclined surfaces can be 30 degrees or 45 degrees, and the protective hoop 9 arranged on the upper and the lower inclined surfaces not only ensures that the hanging lifter has vertical lifting force on the conductor rail 2, but also has trend force (shown as a stress analysis chart shown in figure 4) towards the inner wall direction of the tower drum on the conductor rail 2, thereby preventing the conductor rail 2 from being separated from the groove plate fixing piece, avoiding the occurrence of a suspended state and improving the fixing firmness of the conductor rail 2;

hanging riser and conductor rail 2 mounted point position (as shown in fig. 3), scheme one hanging riser can be installed at intervals in a plurality of frid mounting, respectively: two points are additionally arranged on one layer of tower cylinder, four points are additionally arranged on two layers of tower cylinders, and three points are additionally arranged on three layers of tower cylinders. The adoption layering, segmentation are promoted one by one, and reasonable distribution hangs and promotes, and scheme two is for installing all frid mounting, and it can consider the setting according to the actual conditions on site.

The hanging lifter of this scheme adopts mechanical external member to connect, avoided a series of affiliated influences to the original design production of equipment such as punching of wind-powered electricity generation tower section of thick bamboo 1, conductor rail 2 equipment body, welding, and do not occupy unnecessary space, can discover equipment whereabouts condition (conductor rail 2 and protection staple bolt 9 produce obvious position and slide the trace phenomenon after the drop when doing routine inspection simultaneously, reach nimble adjustment purpose, and corresponding atress that has reduced original frid mounting moreover, frid bolt 4 and the elastic component 5 of frid mounting appear becoming flexible and drop the phenomenon, the displacement appears in the fundamentally has stopped the conductor rail, the whereabouts phenomenon produces, guarantee the safe operation of wind-powered electricity generation tower section of thick bamboo conductor rail.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wind-powered electricity generation tower section of thick bamboo conductor rail safety promotion fixing device, includes conductor rail (2) of the vertical setting of wind-powered electricity generation tower section of thick bamboo (1), and conductor rail (2) are fixed its characterized in that with wind-powered electricity generation tower section of thick bamboo (1) inner wall through a plurality of frid mounting: the groove plate fixing piece is reinforced and fixed with the conductive rail (2) through the hanging lifter, the hanging lifter comprises a protection hoop (9) fixed on the conductive rail (2), and the side part of the protection hoop (9) is connected and fixed with the groove plate fixing piece through the adjusting pull rod (8).

2. The wind power tower conductor rail safety lifting and fixing device according to claim 1, wherein: the fixed groove plate (3) is fixedly connected with the conductor rail (2) through a plurality of groove plate bolts (4), and the back of the fixed groove plate (3) is fixedly connected with the fixed column (6) arranged on the inner wall of the wind power tower (1) through the elastic component (5).

3. The wind power tower conductor rail safety lifting and fixing device according to claim 1, wherein: the upper part of an adjusting pull rod (8) of the suspension lifter is hinged and fixed with a clamping piece (7) fixed on a fixed column (6), and the lower part of the adjusting pull rod (8) is hinged and fixed with a protection hoop (9).

4. A wind power tower conductor rail safety lifting and fixing device according to claim 3, characterized in that: the inner side of the protection hoop (9) is provided with a flexible protection sleeve (10) which is contacted with the conductive rail (2).

5. The wind power tower conductor rail safety lifting and fixing device according to claim 4, wherein: the upper surface and the lower surface of the protection hoop (9) are arranged along the lifting direction of the conductor rail (2) by adopting inclined planes.

6. The wind power tower conductor rail safety lifting and fixing device according to claim 1, wherein: the protection hoop (9) comprises two half-sheet frame-shaped hoop plates which are matched with each other, and the two sides of the two half-sheet frame-shaped hoop plates are used for clamping and fixing the conductor rail (2) through a plurality of bolts.

7. The wind power tower conductor rail safety lifting and fixing device according to claim 2, wherein: the fixed groove plates (3) are used for fixing the conductive rails (2) through four groups of groove plate bolts (4), and two groove plate bolts (4) of each group are connected and fixed through the connecting plate (11).

8. The wind power tower conductor rail safety lifting and fixing device according to claim 2, wherein: the elastic component (5) comprises two strip-shaped plates, a plurality of rubber columns are arranged between the two strip-shaped plates,

the rubber column is connected and fixed with the strip-shaped plates at two sides through elastic supporting bolts penetrating through the rubber column.