CN209992176U

CN209992176U - Variable-pitch bearing experiment table of high-power wind generating set

Info

Publication number: CN209992176U
Application number: CN201920988451.9U
Authority: CN
Inventors: 肖维清; 魏红; 俞明; 李勇; 郭威; 陈纯军; 苏毛
Original assignee: Hubei Jingye Heavy Industry Equipment Technology Co Ltd
Current assignee: Hubei Jingye Heavy Industry Equipment Technology Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-01-24
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a bearing experiment technical field just discloses a high-power wind generating set becomes oar bearing experiment platform, the on-line screen storage device comprises a base, the upper end fixedly connected with backup pad of base, it is connected with the dead lever to rotate through the bearing on the vertical lateral wall of backup pad, install fixed establishment on the dead lever, the pneumatic cylinder is installed to the one end of keeping away from the backup pad on the base, the push pedal of the output fixedly connected with L type of pneumatic cylinder, the push pedal is close to one side of backup pad and installs the motor, the output of motor is connected with the carousel through the pivot, symmetry fixedly connected with inserted bar on the carousel, the dead lever is close to the one end of carousel and seted up with inserted bar assorted slot, the one end that the motor was kept away from. The utility model discloses make the fixed bearing efficiency that needs to detect of laboratory bench and dismantlement higher, do benefit to the batch test experiment of bearing.

Description

Variable-pitch bearing experiment table of high-power wind generating set

Technical Field

The utility model relates to a bearing experiment technical field especially relates to a high-power wind generating set becomes oar bearing laboratory bench.

Background

With the social development and the exhaustion of conventional energy sources, human beings continuously and deeply explore renewable energy sources, and the wind power generation technology is also developed greatly. The development of offshore wind energy resources accelerates the development and production of high-power units. The variable pitch bearing is arranged between the blade and the hub of the wind driven generator, and the inner ring and the outer ring are respectively connected with the blade and the hub through bolts, so that the blade can rotate relative to the axis of the blade to achieve the purpose of changing the pitch. After the variable-pitch bearing is produced, the variable-pitch bearing is fixed on an experiment table and is subjected to various test experiments. But the fixed bearing of dismantling of current laboratory bench is wasted time and energy, leads to its efficiency lower, need fix it on the dead lever after, just can connect its motor that carries out the rotation test of drive, is unfavorable for the batch test of bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the bearing efficiency is lower for the fixed and dismantlement of laboratory bench among the prior art, and the high-power wind generating set who provides becomes oar bearing laboratory bench.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-power wind generating set becomes oar bearing experiment table, includes the base, the upper end fixedly connected with backup pad of base, it is connected with the dead lever to rotate through the bearing on the vertical lateral wall of backup pad, install fixed establishment on the dead lever, the pneumatic cylinder is installed to the one end of keeping away from the backup pad on the base, the push pedal of the output fixedly connected with L type of pneumatic cylinder, the motor is installed to one side that the push pedal is close to the backup pad, the output of motor is connected with the carousel through the pivot, symmetry fixedly connected with inserted bar on the carousel, the dead lever is close to the one end of carousel and has seted up with inserted bar assorted slot, the one end that the motor was kept away.

Preferably, fixed establishment includes work groove, movable hole, push rod, lug, movable rod, arc and supports board and spring, the one end that the dead lever is close to the motor is seted up in the work groove, two the movable hole symmetry is seted up on the cell wall that the work groove is in opposite directions, movable hole and movable rod sliding connection, push rod one end fixed connection is on the carousel, the other end of push rod passes work groove notch and extends to the work inslot, and with the lug fixed connection of round platform form, two the opposite one end of movable rod all offsets with the inclined plane of lug, two the other end of movable rod all passes and corresponds the movable hole and outwards extends, and supports board fixed connection with the arc that corresponds, the both ends fixed connection of spring supports on board and dead lever in the arc, the movable rod runs through the spring setting.

Preferably, the base is provided with a sliding groove, the sliding groove is internally and slidably connected with a sliding block, one end of the sliding block, which is close to the motor, penetrates through a groove opening of the sliding groove and extends upwards, and the sliding block is fixedly connected to the bottom of the push plate.

Preferably, the fixed rods are symmetrically and fixedly connected with the stop blocks on the rod wall close to the support plate.

Preferably, the four corners of the bottom of the base are fixedly connected with supporting legs.

Preferably, the annular side wall of the movable hole is symmetrically provided with limiting grooves, the limiting grooves are connected with limiting blocks in a sliding mode, the opposite ends of the limiting blocks penetrate through notches of the limiting grooves and extend into the movable hole, and the limiting blocks are fixedly connected to the wall of the movable rod.

Compared with the prior art, the utility model provides a high-power wind generating set becomes oar bearing experiment platform possesses following beneficial effect:

this high-power wind generating set becomes oar bearing experiment table, through setting up base, dead lever, fixed establishment, pneumatic cylinder, push pedal, motor, carousel, inserted bar and slot, the bearing of being convenient for to detect is dismantled and is installed, and when its rotating device of installation drive, realizes that the bearing that detects is fixed for the experiment table is fixed and is dismantled the bearing efficiency that needs the detection and higher, does benefit to the batch test of bearing.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses it is higher to make the fixed bearing efficiency that needs the detection with the dismantlement of laboratory bench, does benefit to the batch test experiment of bearing.

Drawings

Fig. 1 is a schematic structural diagram of a variable-pitch bearing experiment table of a high-power wind generating set provided by the utility model;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a base 1, a supporting plate 2, a fixing rod 3, a fixing mechanism 4, a working groove 41, a movable hole 42, a push rod 43, a convex block 44, a movable rod 45, an arc-shaped abutting plate 46, a spring 47, a hydraulic cylinder 5, a push plate 6, a motor 7, a rotary table 8, an inserted rod 9, an insertion groove 10, a sliding groove 11, a sliding block 12, a stop block 13, a limit groove 14 and a limit block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a variable-pitch bearing experiment table of a high-power wind generating set comprises a base 1, wherein a supporting plate 2 is fixedly connected to the upper end of the base 1, a fixing rod 3 is rotatably connected to the vertical side wall of the supporting plate 2 through a bearing, a fixing mechanism 4 is installed on the fixing rod 3, a hydraulic cylinder 5 is installed at one end, far away from the supporting plate 2, of the base 1, an L-shaped push plate 6 is fixedly connected to the output end of the hydraulic cylinder 5, a motor 7 is installed at one side, close to the supporting plate 2, of the push plate 6, the output end of the motor 7 is connected with a rotary table 8 through a rotating shaft, inserting rods 9 are symmetrically and fixedly connected to the rotary table 8, inserting grooves 10 matched with the inserting rods 9 are formed in one; the fixing mechanism 4 comprises a working groove 41, movable holes 42, a push rod 43, a bump 44, movable rods 45, an arc-shaped abutting plate 46 and a spring 47, the working groove 41 is arranged at one end of the fixing rod 3 close to the motor 7, the two movable holes 42 are symmetrically arranged on opposite groove walls of the working groove 41, the movable holes 42 are in sliding connection with the movable rods 45, one end of the push rod 43 is fixedly connected to the turntable 8, the other end of the push rod 43 passes through the notch of the working groove 41 and extends into the working groove 41 and is fixedly connected with the boss 44 in a circular truncated cone shape, opposite ends of the two movable rods 45 are abutted against the inclined surface of the boss 44, the other ends of the two movable rods 45 pass through the corresponding movable holes 42 and extend outwards and are fixedly connected with the corresponding arc-shaped abutting plates 46, two ends of the spring 47 are fixedly connected to the arc-shaped abutting plate 46 and the fixing rod 3, the movable rods 45 are arranged through the spring 47, before an experiment is started, a detected bearing is sleeved, namely, one end of the detected bearing is abutted against the two stop blocks 13, the hydraulic cylinder 5 is started, the push plate 6 moves close to the fixed rod 3 to drive the motor 7, the rotary disc 8 and the inserted rod 9 to move, the inserted rod 9 is inserted into the slot 10, the outer ring of the bearing is fixed through a tool, the motor 7 is started to rotate the inner ring of the bearing to detect the performance of the bearing, meanwhile, the push rod 43 drives the boss 44 in the shape of a circular truncated cone to extrude the two movable rods 45, the two movable rods 45 move oppositely to drive the two arc-shaped abutting plates 46 to expand in the detected bearing, the spring 47 stretches, the two arc-shaped abutting plates 46 abut against the inner ring of the detected bearing to fix the detected bearing on the fixed rod 3, the experiment device is used for carrying out an experiment on the fixed rod, after the experiment is completed, the push plate 6 is pulled back to the original position, the boss 44 is separated from the movable rods 45, the spring 47 is recovered, the, the bearing convenient to detect is dismantled, and when its rotating device of installation drive, the bearing that realizes detecting is fixed for the fixed bearing efficiency that needs to detect of dismantlement of laboratory bench is higher, does benefit to the batch test of bearing.

Base 1 is last to have seted up

spout

11, and 11 sliding connection in the spout has

slider

12, and 11 notches of spout and upwards extension are passed to the one end that slider 12 is close to motor 7, and fixed connection is in the bottom of push pedal 6 for the motion of push pedal 6 is more steady.

The fixed rod 3 is symmetrically and fixedly connected with the stop blocks 13 on the rod wall close to the support plate 2, so that the bearing is accurately sleeved on the two arc-shaped abutting plates 46.

The equal fixedly connected with supporting leg in four corners department of base 1 bottom provides the suitable operating height of staff.

Spacing groove 14 has been seted up to the symmetry on the annular lateral wall of activity hole 42, and sliding connection has stopper 15 in the spacing groove 14, and two stopper 15 one end in opposite directions pass spacing groove 14 notch and extend to activity hole 42 in, and common fixed connection is on the pole wall of movable rod 45, avoids movable rod 45 to break away from the rotation of activity hole 42 and movable rod 45 completely.

In the utility model, before the experiment, the bearing sleeve is sleeved outside the arc-shaped supporting plate 46 on the fixed rod 3, namely, one end of the bearing is supported against the two stop blocks 13, the hydraulic cylinder 5 is started to make the push plate 6 move close to the fixed rod 3, the motor 7, the rotary table 8 and the inserted rod 9 are driven to move, the inserted rod 9 is inserted into the slot 10, the outer ring of the bearing is fixed by a tool, the motor 7 is started to rotate the inner ring of the bearing, the performance of the bearing is detected, meanwhile, the push rod 43 drives the boss 44 in the shape of a circular truncated cone to extrude the two movable rods 45, the two movable rods 45 move back and back, the two arc-shaped supporting plates 46 are driven to expand in the detected bearing, the spring 47 stretches, the two arc-shaped supporting plates 46 support the detected inner ring of the bearing, the detected bearing is fixed on the fixed rod 3, the experiment is carried out by using the experimental device, after the, lug 44 and movable rod 45 separation, spring 47 resumes, supports board 46 with the arc and pulls back the normal position for the bearing that detects separates with dead lever 3, and the bearing of being convenient for to detect is dismantled, and when its rotating device of installation drive, the bearing that realizes detecting is fixed, makes the fixed bearing efficiency that needs the detection with dismantling of laboratory bench higher, does benefit to the batch test of bearing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A variable-pitch bearing experiment table of a high-power wind generating set comprises a base (1) and is characterized in that a supporting plate (2) is fixedly connected to the upper end of the base (1), a fixing rod (3) is rotatably connected to the vertical side wall of the supporting plate (2) through a bearing, a fixing mechanism (4) is installed on the fixing rod (3), a hydraulic cylinder (5) is installed at one end, far away from the supporting plate (2), of the base (1), an L-shaped push plate (6) is fixedly connected to the output end of the hydraulic cylinder (5), a motor (7) is installed at one side, close to the supporting plate (2), of the push plate (6), the output end of the motor (7) is connected with a rotary table (8) through a rotating shaft, inserting rods (9) are symmetrically and fixedly connected to the rotary table (8), and inserting grooves (10) matched with the inserting rods (9), one end of the inserted bar (9) far away from the motor (7) penetrates through the notch of the slot (10) and extends into the slot (10).

2. The variable-pitch bearing experiment table of the high-power wind generating set according to claim 1, wherein the fixing mechanism (4) comprises a working groove (41), two movable holes (42), a push rod (43), a bump (44), two movable rods (45), an arc-shaped abutting plate (46) and a spring (47), the working groove (41) is formed in one end of the fixing rod (3) close to the motor (7), the two movable holes (42) are symmetrically formed in opposite groove walls of the working groove (41), the movable holes (42) are connected with the movable rods (45) in a sliding manner, one end of each push rod (43) is fixedly connected to the turntable (8), the other end of each push rod (43) penetrates through a notch of the working groove (41) and extends into the corresponding working groove (41) and is fixedly connected with the truncated cone-shaped bump (44), and the opposite ends of the two movable rods (45) are abutted against an inclined surface of the bump (44), two the other end of movable rod (45) all passes and corresponds activity hole (42) and outwards extends, and supports board (46) fixed connection with the arc that corresponds, the both ends fixed connection of spring (47) supports on board (46) and dead lever (3) the arc, movable rod (45) run through spring (47) and set up.

3. The variable-pitch bearing experiment table for the high-power wind generating set according to claim 1, wherein a sliding groove (11) is formed in the base (1), a sliding block (12) is connected in the sliding groove (11) in a sliding manner, one end, close to the motor (7), of the sliding block (12) penetrates through a notch of the sliding groove (11) and extends upwards, and the sliding block is fixedly connected to the bottom of the push plate (6).

4. The variable pitch bearing test bench of the high-power wind generating set according to claim 1, characterized in that the fixed rod (3) is symmetrically and fixedly connected with a stop block (13) on the rod wall close to the supporting plate (2).

5. The variable pitch bearing test bench of the high-power wind generating set according to claim 1, characterized in that support legs are fixedly connected to four corners of the bottom of the base (1).

6. The variable-pitch bearing experiment table for the high-power wind generating set according to claim 2, wherein the annular side wall of the movable hole (42) is symmetrically provided with limiting grooves (14), limiting blocks (15) are slidably connected in the limiting grooves (14), and opposite ends of the two limiting blocks (15) penetrate through notches of the limiting grooves (14) and extend into the movable hole (42), and are jointly and fixedly connected to the rod wall of the movable rod (45).