CN215719267U

CN215719267U - Automatic lubricating device of variable pitch system of fan

Info

Publication number: CN215719267U
Application number: CN202122364773.6U
Authority: CN
Inventors: 田祥; 刘梦; 王立红
Original assignee: Cgn Hubei Integrated Energy Service Co ltd; Cgn Dawu Yangping Wind Power Generation Co ltd
Current assignee: Cgn Hubei Integrated Energy Service Co ltd; Cgn Dawu Yangping Wind Power Generation Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-01
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of lubricating devices, in particular to an automatic lubricating device for a pitch system of a fan. The side is provided with a plurality of tee pipes arranged in sequence, the two tee pipes that are close to each other are connected by a straight pipe, and the nozzle of a tee pipe close to the lubricating pump is connected to the resin pipe, the utility model In the process, the original progressive series distributor was changed to a parallel three-way pipe, and multiple single lines were connected in parallel to reduce the risk of blockage of the lubricating oil pipe and improve the smooth and smooth lubrication effectiveness of the pitch bearing. The oil injection points are connected in parallel. The form shows that a single point of failure does not affect the normal operation of other lubrication points. The oil pressure sensor at the end of the single-line distributor acts and feeds back the signal. The pressure of the main line continues to rise to the safe overflow pressure to ensure that the grease is quantitatively distributed to each lubricating point through the single-line distributor. Lubrication point.

Description

Automatic lubricating device of variable pitch system of fan

Technical Field

The utility model relates to the technical field of lubricating devices, in particular to an automatic lubricating device for a variable pitch system of a fan.

Background

A wind generating set blade bearing lubricating system originally adopts a progressive lubricating system, lubricating grease is alternately supplied to lubricating points by sequentially connecting all levels of distributors through a lubricating pump, and a plunger detector is arranged on a main distributor and used for monitoring the working state of the whole system.

However, due to the system characteristics of the progressive lubricating system, the failure of a single point can lead to the breakdown of the whole system, so that the failure rate of the lubricating system is high, the failure is difficult to simply judge and maintain, the waste oil cannot be well collected due to the limitation of the internal structure of the blade bearing, the waste oil is thrown out from the sealing position of the bearing and pollutes the fan and the surrounding environment, and meanwhile, the grease has potential safety hazards, so that the automatic lubricating device for the variable pitch system of the fan is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic lubricating device for a variable-pitch system of a fan, which aims to solve the problems that the failure rate of the lubricating system is high and the failure is difficult to simply judge and maintain because the failure of a single point can cause the breakdown of the whole system due to the system characteristics of a progressive lubricating system, the internal structure of a blade bearing is limited, the outer ring of the bearing can not well collect waste oil, the waste oil is thrown out from the sealing position of the bearing to pollute the fan and the surrounding environment, and the grease has potential safety hazards.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a become oar system self-lubricate device of fan, includes the lubricant pump, the end of producing oil of lubricant pump is connected with the resin pipe, the resin pipe is kept away from one side of lubricant pump is provided with a plurality of three-way pipes that set gradually, and two that are close to each other the three-way pipe passes through the straight tube and connects, is close to the mouth of pipe of a three-way pipe of lubricant pump with the resin union coupling, it is a plurality of the surplus mouth of pipe of three-way pipe all is connected with the single line distributor through the installation pipe, and is a plurality of all be provided with oil pressure sensor on the single line distributor, the oil pressure sensor both sides all are provided with five play oil pipe that evenly set up.

By means of the structure, the progressive serial distributor is changed into the three-way pipe connected in parallel, the mode that a plurality of single lines are connected in parallel is adopted, the risk of blockage of the lubricating oil pipe is reduced, the smooth lubrication effectiveness of the variable-pitch bearing is improved, the oil injection points are embodied in a parallel mode, single-point faults do not affect the normal work of other lubricating points, the oil pressure sensor at the tail end of the single-line distributor acts and feeds back signals, the pressure of the main pipeline continues to be increased to the safe overflow pressure, and the grease is ensured to be quantitatively distributed to each lubricating point through the single-line distributor.

Preferably, the top of oil pipe is according to having fixed slide tube, slidable mounting has the piston rod in the fixed slide tube, the top of piston rod extends to outside the fixed slide tube and install the fixed block, two slide openings have been seted up at the top of fixed block, two equal slidable mounting has L shape guide bar in the slide opening, two the bottom of L shape guide bar all with the lateral part of fixed slide tube is connected.

Furthermore, through the arrangement of the L-shaped guide rod, the fixing block can be limited, and then the piston rod is limited, so that transmission is facilitated.

Preferably, the side parts of the two fixing blocks which are close to each other are provided with connecting blocks, the connecting blocks are provided with cavities, the inner wall of the top side of each cavity is provided with a fixed conductive block, the inner wall of the bottom side of each cavity is provided with a movable conductive block in a sliding manner, the top of each connecting block is provided with a warning lamp and a power supply, the warning lamp, the power supply, the fixed conductive blocks and the movable conductive blocks are connected, the two movable conductive blocks which are close to each other are connected through connecting ropes, and the connecting ropes are arranged in the fixed conductive blocks and the connecting blocks in a sliding manner.

Further, when one of them oil pipe produced the jam, then the distance that the removal conducting block that is located on this oil pipe removed is different with the removal distance of the removal conducting block on the other oil pipe, and then make two removal conducting blocks not be in same position, distance between two removal conducting blocks increases, and then can make the connection rope tensile, it is tensile to connect the rope, and then make removal conducting block and fixed conducting block contact, thereby make the warning light switch-on luminous, thereby can remind the staff to have an oil pipe to produce the jam, be convenient for carry out later stage maintenance.

Preferably, a through hole is formed in the inner wall of one side, away from the fixed block, of the cavity, arc-shaped holes are formed in two vertical side portions of the fixed conductive block, the through hole corresponds to the arc-shaped holes in position, and one end of the connecting rope penetrates through the arc-shaped holes and the through hole respectively.

Furthermore, the connecting rope has the advantages that the connecting rope can drive the movable conductive block to be in contact with the fixed conductive block in the moving process, and the connection is facilitated.

Preferably, the piston rod is sleeved with a sealed telescopic pipe, and two ends of the sealed telescopic pipe are respectively connected with the fixed sliding pipe and the side part of the fixed block, which is close to each other.

Furthermore, the sealing performance can be ensured by arranging the sealing telescopic pipe.

Preferably, the top ends of the two L-shaped guide rods are provided with connecting rods.

Further, through the setting of connecting rod, prevent that the fixed block from shifting out L shape guide bar.

Preferably, the L-shaped guide rod is sleeved with a spring, and two ends of the spring are respectively connected with the fixing block and the side part of the L-shaped guide rod, which is close to each other.

Further, through the setting of spring, can be so that the fixed block can the reconversion, also can offset the pressure in the oil pipe simultaneously.

In conclusion, the beneficial effects of the utility model are as follows:

1. according to the utility model, the original progressive serial distributor is changed into a parallel three-way pipe, a mode of connecting a plurality of single lines in parallel is adopted, the risk of blocking a lubricating oil pipe is reduced, the smooth lubrication effectiveness of a variable-pitch bearing is improved, the oil injection points are embodied in a parallel mode, the normal work of other lubricating points is not influenced by single-point faults, the oil pressure sensor at the tail end of the single-line distributor acts and feeds back signals, the pressure of a main pipeline is continuously increased to safe overflow pressure, and the grease is ensured to be quantitatively distributed to each lubricating point through the single-line distributor.

2. According to the utility model, when one oil outlet pipe is blocked, the two movable conductive blocks are not positioned at the same position, the distance between the two movable conductive blocks is increased, the connecting rope is stretched, and the movable conductive blocks are contacted with the fixed conductive blocks, so that the warning lamp is switched on to emit light, a worker can be reminded that one oil outlet pipe is blocked, and later-stage maintenance is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the structure of the lubricating device of the present invention;

FIG. 2 is a schematic side view of an oil pressure sensor according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a lubrication pump; 2. a resin tube; 3. a three-way pipe; 4. a single wire dispenser; 5. an oil pressure sensor; 6. sealing the telescopic pipe; 7. an oil outlet pipe; 8. fixing a sliding pipe; 9. a piston rod; 10. a fixed block; 11. an L-shaped guide bar; 12. connecting blocks; 13. moving the conductive block; 14. fixing the conductive block; 15. connecting ropes; 16. a warning light; 17. a power source.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Refer to the automatic lubricating arrangement of becomes oar system of fan that fig. 1 shows, including lubricating pump 1, the oil outlet end of lubricating pump 1 is connected with resin pipe 2, one side that lubricating pump 1 was kept away from to resin pipe 2 is provided with a plurality of three-way pipes 3 that set gradually, two three-way pipes 3 that are close to each other pass through the straight tube and connect, the mouth of pipe that is close to one three-way pipe 3 of lubricating pump 1 is connected with resin pipe 2, the surplus mouth of pipe of a plurality of three-way pipes 3 all is connected with single line distributor 4 through the installation pipe, all be provided with oil pressure sensor 5 on a plurality of single line distributors 4, oil pressure sensor 5 both sides all are provided with five play oil pipe 7 that evenly set up.

By means of the structure, the progressive serial distributor is changed into the three-way pipe 3 which is connected in parallel, the mode that a plurality of single lines are connected in parallel is adopted, the risk of blockage of the lubricating oil pipe is reduced, the smooth lubrication effectiveness of the variable-pitch bearing is improved, the oil injection points are embodied in a parallel mode, single-point faults do not affect the normal work of other lubricating points, the oil pressure sensor 5 at the tail end of the single-line distributor 4 acts and feeds back signals, the pressure of the main pipeline is continuously increased to the safe overflow pressure, and the grease is ensured to be quantitatively distributed to all the lubricating points through the single-line distributor.

Example two

Referring to fig. 2-4, based on the embodiment 1, the top of the oil outlet pipe 7 is provided with the fixed sliding pipe 8, the fixed sliding pipe 8 is slidably provided with the piston rod 9, the top end of the piston rod 9 extends out of the fixed sliding pipe 8 and is provided with the fixed block 10, the top of the fixed block 10 is provided with two sliding holes, the two sliding holes are respectively and slidably provided with the L-shaped guide rods 11, the bottom ends of the two L-shaped guide rods 11 are respectively connected with the side part of the fixed sliding pipe 8, the side parts of the two fixed blocks 10 close to each other are provided with the connecting block 12, the connecting block 12 is provided with the cavity, the inner wall of the top side of the cavity is provided with the fixed conductive block 14, the inner wall of the bottom side of the cavity is slidably provided with the movable conductive block 13, the top of the connecting block 12 is provided with the warning lamp 16 and the power supply 17, the warning lamp 16, the power supply 17, the fixed conductive block 14 and the movable conductive block 13, the two movable conductive blocks 13 close to each other are connected through the connecting rope 15, the connecting rope 15 is slidably mounted in the fixed conductive block 14 and the connecting block 12.

Further, when one of them oil pipe 7 produced the jam, then the distance that the removal conducting block 13 that is located on this oil pipe 7 removed is different with the removal distance of the removal conducting block 13 on the other oil pipe 7, and then make two remove conducting block 13 not in same position, distance between two removal conducting blocks 13 increases, and then can make and connect rope 15 tensile, it is tensile to connect rope 15, and then make removal conducting block 13 and the contact of fixed conducting block 14, thereby it is luminous to make warning light 16 switch-on, thereby can remind the staff to have an oil pipe 7 to produce the jam, be convenient for carry out later stage maintenance.

EXAMPLE III

As shown in fig. 4, based on the above embodiment 1 or 2, the through hole has been opened on the one side inner wall that the fixed block 10 was kept away from to the cavity, the arc hole has been opened to two perpendicular lateral parts of fixed conducting block 14, the position of through hole and arc hole is corresponding, connect the one end of rope 15 and run through arc hole and through hole respectively, the benefit of setting like this for connect rope 15 can drive and move conducting block 13 and fixed conducting block 14 contact at the removal in-process, be convenient for the switch-on.

Example four

Referring to fig. 4, based on the above embodiments 1, 2 or 3, the piston rod 9 is sleeved with the telescopic sealing tube 6, two ends of the telescopic sealing tube 6 are respectively connected with the side portions of the fixed sliding tube 8 and the fixed block 10, which are close to each other, and the sealing performance can be ensured by the arrangement of the telescopic sealing tube 6.

EXAMPLE five

Referring to fig. 4, based on the

above embodiments

1, 2, 3 or 4, the top ends of the two L-shaped guide rods 11 are provided with connecting rods, and the fixing block 10 is prevented from moving out of the L-shaped guide rods 11 by the arrangement of the connecting rods.

EXAMPLE six

With reference to fig. 4, based on the

above embodiments

1, 2, 3, 4 or 5, the spring is sleeved on the L-shaped guide rod 11, and two ends of the spring are respectively connected with the side portions of the fixed block 10 and the L-shaped guide rod 11, which are close to each other, so that the fixed block 10 can be restored to its original state and the pressure in the oil outlet pipe 7 can be offset.

The working principle of the utility model is as follows:

when the lubricating pump 1 is started, grease is conveyed to the single-line distributor 4, the oil pressure sensor 5 at the tail end of the single-line distributor 4 acts and feeds back signals, the pressure of the main pipeline is continuously increased to the safe overflow pressure, the grease is quantitatively distributed to all lubricating points through the single-line distributor, after the oil supply of all the lubricating points is finished, the lubricating pump 1 stops working, the pressure of the main pipeline is relieved, the pressure of the single-line distributor 4 is relieved, the quantitative storage of the lubricating grease is realized, the whole oil supply process of the system is finished, and the next working cycle is started.

When the oil pipe plugging device is used, pressure exists in the oil pipes 7, so that the piston rod 9 can slide upwards in the fixed sliding pipe 8, the piston rod 9 slides to drive the fixed block 10 to move, the fixed block 10 moves to deform the two springs, meanwhile, the fixed block 10 moves to drive the connecting block 12 to move, the connecting block 12 moves to drive the fixed conductive block 14 and the movable conductive block 13 to move, the movable conductive blocks 13 are located at the same horizontal position, when one of the oil pipes 7 is plugged, the moving distance of the movable conductive block 13 located on the oil pipe 7 is different from the moving distance of the movable conductive block 13 located on the other oil pipe 7, so that the two movable conductive blocks 13 are not located at the same position, the distance between the two movable conductive blocks 13 is increased, so that the connecting rope 15 is stretched, and the movable conductive blocks 13 are in contact with the fixed conductive blocks 14, thereby make warning light 16 switch-on luminous to can remind the staff to have one to go out oil pipe 7 and produced the jam, be convenient for carry out the later stage and overhaul.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. an automatic lubricating device for a pitch system of a fan, comprising a lubricating pump (1), characterized in that: the oil outlet end of the lubricating pump (1) is connected with a resin pipe (2), and the resin pipe (2) A plurality of tee pipes (3) arranged in sequence are arranged on the side away from the lubricating pump (1), and the two tee pipes (3) that are close to each other are connected by straight pipes, and are close to the lubricating pump (1). ) of a three-way pipe (3) is connected to the resin pipe (2), and the remaining nozzles of a plurality of the three-way pipes (3) are connected with a single-line distributor (4) through the installation pipe, and many An oil pressure sensor (5) is arranged on each of the single-line distributors (4), and five evenly arranged oil outlet pipes (7) are arranged on both sides of the oil pressure sensor (5).

2. The automatic lubricating device for the pitch system of a fan according to claim 1, wherein the top of the oil outlet pipe (7) is provided with a fixed sliding pipe (8), and the fixed sliding pipe (8) A piston rod (9) is slidably installed inside, the top end of the piston rod (9) extends to the outside of the fixed sliding pipe (8) and a fixing block (10) is installed, and the top of the fixing block (10) is provided with a Two sliding holes, L-shaped guide rods (11) are slidably installed in the two sliding holes, and the bottom ends of the two L-shaped guide rods (11) are both connected with the side of the fixed sliding pipe (8). Department connection.

3. The automatic lubricating device for a pitch system of a fan according to claim 2, characterized in that: the sides of the two said fixing blocks (10) that are close to each other are provided with connecting blocks (12), and the connecting blocks (12) A cavity is opened on the block (12), a fixed conductive block (14) is arranged on the inner wall of the top side of the cavity, and a movable conductive block (13) is slidably installed on the inner wall of the bottom side of the cavity. The top of the block (12) is provided with a warning light (16) and a power supply (17). The two moving conductive blocks (13) are connected by a connecting rope (15), and the connecting rope (15) is slidably installed in the fixed conductive block (14) and the connecting block (12).

4. The automatic lubricating device for a pitch system of a fan according to claim 3, characterized in that: a through hole is opened on the inner wall of the side of the cavity away from the fixing block (10), and the fixed conductive Two vertical sides of the block (14) are provided with arc-shaped holes, the through holes correspond to the positions of the arc-shaped holes, and one end of the connecting rope (15) penetrates the arc-shaped holes and the through holes respectively.

5. The automatic lubricating device for a pitch system of a fan according to claim 2, characterized in that: the piston rod (9) is sleeved with a sealing telescopic tube (6), and the sealing telescopic tube (6) The two ends of the fixed slide pipe (8) and the side parts of the fixed block (10) which are close to each other are respectively connected.

6 . The automatic lubricating device for a pitch system of a fan according to claim 2 , wherein the top ends of the two L-shaped guide rods ( 11 ) are connected with connecting rods. 7 .

7. The automatic lubricating device for a pitch system of a fan according to claim 2, wherein a spring is sleeved on the L-shaped guide rod (11), and two ends of the spring are respectively connected to the fixed The blocks (10) and the L-shaped guide rods (11) are connected with each other at the sides close to each other.