CN212360040U

CN212360040U - Protective structure of gear box body of wind generating set

Info

Publication number: CN212360040U
Application number: CN202020716239.XU
Authority: CN
Inventors: 张利强; 商伟新
Original assignee: Changzhou Wujin Sanlian Casting Co ltd
Current assignee: Changzhou Wujin Sanlian Casting Co ltd
Priority date: 2020-05-05
Filing date: 2020-05-05
Publication date: 2021-01-15
Anticipated expiration: 2030-05-05

Abstract

The utility model discloses a protective structure of a gearbox body of a wind generating set, which comprises a fourth shell, four sixth shells are welded in the fourth shell, a third shell is arranged in the fourth shell, four second connecting rods are welded on one side of the third shell, which is close to the sixth shells, one end of each second connecting rod, which is far away from the third shell, is hinged with a first connecting rod, one end of each first connecting rod, which is far away from the second connecting rod, is hinged with a third connecting rod, and one side of each third connecting rod, which is far away from the first connecting rod, is welded with a first spring; this device sets up first connecting rod of second connecting rod cooperation, third connecting rod and first spring and protects the third casing when using, influences the normal use of inside third casing when preventing that the fourth casing from receiving the impact to it is spacing to set up first limiting plate cooperation first bracing piece and fifth spring and carry out the centre gripping to the third casing, and the reinforcing third casing is at the inside stability of fourth casing, and prevents that the third casing from sliding.

Description

Protective structure of gear box body of wind generating set

Technical Field

The utility model relates to a gearbox casing protection technical field specifically is a protective structure of wind generating set gearbox casing.

Background

When a wind generating set generates electricity, the output electric frequency is ensured to be constant, which is necessary for both grid-connected generation of a fan and wind-solar complementary generation, and the frequency of wind power is ensured to be constant, namely, a mode is to ensure the constant rotating speed of a generator, namely, a constant-speed constant-frequency operation mode; the other mode is that the rotating speed of the generator changes along with the wind speed, the constant frequency of the output electric energy is ensured by other means, namely, the variable speed constant frequency operation, the gear box of the wind generating set is a speed-up gear box, and lubricating oil is filled in the gear box of the wind generating set for preventing friction and prolonging the service life of gears.

Wind generating set's gear box needs carry out protective structure's setting to it before using, and the reinforcing prevents that the gear box from receiving external influence to lead to inside gear dislocation to the protection of gear box, and current gear box protection is comparatively weak in the junction of box and case lid.

The invention is disclosed in China: CN201620793711.3 discloses a double containment guard box, the device through set up the leakproofness of a plurality of sealing strips reinforcing box and case lid junction, prevent that dust and moisture from getting into inside the box, strengthen the protection to the box, but the device is comparatively weak to inside protection, leads to the internal damage because of collision or other impact easily, for this reason, provides a protective structure of wind generating set gearbox body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective structure of wind generating set gearbox casing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protective structure of a gearbox body of a wind generating set comprises a fourth shell, wherein four sixth shells are welded inside the fourth shell, a third shell is arranged inside the fourth shell, four second connecting rods are welded on one side, close to the sixth shell, of the third shell, one end, far away from the third shell, of each second connecting rod is hinged to a first connecting rod, one end, far away from the second connecting rods, of each first connecting rod is hinged to a third connecting rod, one end, far away from the first connecting rods, of each third connecting rod is hinged to the sixth shell, a first spring is welded on one side, far away from the first connecting rods, of each first spring, one end, far away from the third connecting rods, of each first spring is welded to the fourth shell, a second hole groove is formed inside the sixth shell, a fifth spring is welded inside the second hole groove, and a fourth limiting plate is welded on one end, close to the third shell, of each fifth spring, one side welding that fifth spring was kept away from to the fourth limiting plate has first bracing piece, the one end that first bracing piece is close to the third casing runs through the third casing, the one end welding that first bracing piece is close to the third casing has first limiting plate, the bottom intercommunication of third casing has an oil pipe, the one end that third casing was kept away from to the oil pipe runs through the fourth casing.

As further preferable in the present technical solution: the inside welding of fourth casing has two fifth casings, the ventilation hole has evenly been seted up to one side that the fifth casing is close to the third casing.

As further preferable in the present technical solution: the welding of fourth casing inboard bottom has two first backup pads, one side welding that first backup pad is close to the third casing has the gag lever post, the one end welding that the gag lever post is close to the third casing has the second stopper, the welding of the inboard bottom of fourth casing has two first stoppers, the welding of the inboard top of fourth casing has two third stoppers.

As further preferable in the present technical solution: the one end that goes out oil pipe and run through the fourth casing articulates there is the bottom, the draw-in groove has been seted up to one side that the bottom is close to out oil pipe, the inside bonding of draw-in groove has the rubber pad, it passes through draw-in groove and bottom joint to go out oil pipe.

As further preferable in the present technical solution: the welding of one side of bottom has the second casing, one side welding that the oil pipe is close to the second casing has first casing, first hole groove has been seted up to the inside of first casing, the welding of first hole inslot portion has the second spring, the welding of one end that the second spring is close to the second casing has the third limiting plate, one side welding that the third limiting plate is close to the second casing has the second bracing piece, the one end that the second bracing piece is close to the second casing runs through first casing, the one end welding that the second bracing piece runs through first casing has the steel ball, the third hole groove has been seted up to one side that the second casing is close to the steel ball, the inside in third hole groove is inserted and is equipped with the plug, one side welding that the plug is located third hole inslot portion has the second limiting plate, one side welding that the second limiting plate is close to the steel ball has the fourth spring.

As further preferable in the present technical solution: the top of the fourth shell is provided with a first thread groove, the top of the fourth shell is connected with a thread cover through the first thread groove in a threaded manner, the top of the thread cover is welded with a top cover, one side, close to the thread cover, of the third shell is provided with a second thread groove, and the thread cover is connected with the third shell in a threaded manner through the second thread groove.

Compared with the prior art, the beneficial effects of the utility model are that: this device sets up first connecting rod of second connecting rod cooperation, third connecting rod and first spring and protects the third casing when using, influences the normal use of inside third casing when preventing that the fourth casing from receiving the impact to it is spacing to set up first limiting plate cooperation first bracing piece and fifth spring and carry out the centre gripping to the third casing, and the reinforcing third casing is at the inside stability of fourth casing, and prevents that the third casing from sliding.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the middle bottom cover of the present invention;

fig. 3 is a schematic diagram of an internal structure of a sixth housing according to the present invention.

In the figure: 1. a first stopper; 2. an oil outlet pipe; 3. a bottom cover; 4. a first housing; 5. a second housing; 6. plugging; 7. a second limiting block; 8. a limiting rod; 9. a first support plate; 10. a third housing; 11. a first support bar; 12. a first limit plate; 13. a first link; 14. a second link; 15. a threaded cap; 16. a top cover; 17. a first thread groove; 18. a second thread groove; 19. a fourth housing; 20. a third limiting block; 21. a first spring; 22. a third link; 23. a sixth housing; 24. a fifth housing; 25. a vent hole; 26. a rubber pad; 27. a first hole groove; 28. a second spring; 29. a steel ball; 30. a third hole groove; 31. a second limiting plate; 32. a fourth spring; 33. a third limiting plate; 34. a second support bar; 35. a fifth spring; 36. a second hole groove; 37. a fourth limiting plate; 38. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a protective structure of a gearbox body of a wind generating set comprises a fourth shell 19, four sixth shells 23 are welded inside the fourth shell 19, a third shell 10 is arranged inside the fourth shell 19, four second connecting rods 14 are welded on one side, close to the sixth shells 23, of the third shell 10, a first connecting rod 13 is hinged to one end, far away from the third shell 10, of each second connecting rod 14, a third connecting rod 22 is hinged to one end, far away from the second connecting rod 14, of each first connecting rod 13, one end, far away from the first connecting rod 13, of each third connecting rod 22 is hinged to the sixth shells 23, a first spring 21 is welded on one side, far away from the first connecting rod 13, of each third connecting rod 22, one end, far away from the third connecting rod 22, of each first spring 21 is welded to the fourth shell 19, a second hole groove 36 is formed inside the sixth shell 23, a fifth spring 35 is welded inside the second hole groove 36, a fourth limiting plate 37 is welded on one end, close to the third shell 10, of the, one side of the fourth limiting plate 37, which is far away from the fifth spring 35, is welded with the first supporting rod 11, one end of the first supporting rod 11, which is close to the third casing 10, runs through the third casing 10, one end of the first supporting rod 11, which is close to the third casing 10, is welded with the first limiting plate 12, the bottom of the third casing 10 is communicated with the oil outlet pipe 2, and one end of the oil outlet pipe 2, which is far away from the third casing 10, runs through the fourth casing 19.

In this embodiment, specifically: the inside welding of fourth casing 19 has two fifth casings 24, and ventilation hole 25 has evenly been seted up to one side that fifth casing 24 is close to third casing 10, sets up fifth casing 24 and is used for preventing dampproofing dehumidification and uses the medicine to set up ventilation hole 25 and increase the area of contact of medicine and the inside air of fourth casing 19.

In this embodiment, specifically: the welding of the inboard bottom of fourth casing 19 has two first backup pads 9, one side welding that first backup pad 9 is close to third casing 10 has gag lever post 8, the welding of the one end that gag lever post 8 is close to third casing 10 has second stopper 7, the welding of the inboard bottom of fourth casing 19 has two first stoppers 1, the welding of the inboard top of fourth casing 19 has two third stoppers 20, set up second stopper 7, first stopper 1 and third stopper 20 carry on spacingly to third casing 10, prevent that third casing 10 from sliding in fourth casing 19.

In this embodiment, specifically: one end of the oil outlet pipe 2 penetrating through the fourth shell 19 is hinged to a bottom cover 3, one side of the bottom cover 3 close to the oil outlet pipe 2 is provided with a clamping groove 38, a rubber gasket 26 is bonded inside the clamping groove 38, the oil outlet pipe 2 is clamped with the bottom cover 3 through the clamping groove 38, the bottom cover 3 is arranged to prevent dust and sundries from entering the oil outlet pipe 2, and the clamping groove 38 and the rubber gasket 26 are arranged to prevent oil leakage.

In this embodiment, specifically: a second shell 5 is welded on one side of the bottom cover 3, a first shell 4 is welded on one side of the oil outlet pipe 2 close to the second shell 5, a first hole groove 27 is formed in the first shell 4, a second spring 28 is welded in the first hole groove 27, a third limiting plate 33 is welded on one end of the second spring 28 close to the second shell 5, a second supporting rod 34 is welded on one side of the third limiting plate 33 close to the second shell 5, one end of the second supporting rod 34 close to the second shell 5 penetrates through the first shell 4, a steel ball 29 is welded on one end of the second supporting rod 34 penetrating through the first shell 4, a third hole groove 30 is formed on one side of the second shell 5 close to the steel ball 29, a plug 6 is inserted in the third hole groove 30, a second limiting plate 31 is welded on one side of the plug 6 located in the third hole groove 30, a fourth spring 32 is welded on one side of the second limiting plate 31 close to the steel ball 29, the steel ball 29 is arranged to cooperate with the third hole groove 30 to realize self-locking of, preventing the operator from forgetting to lock the bottom cover 3 after it is closed.

In this embodiment, specifically: the top of the fourth shell 19 is provided with a first thread groove 17, the top of the fourth shell 19 is connected with a thread cover 15 through the first thread groove 17 in a threaded manner, the top cover 16 is welded on the top of the thread cover 15, one side of the third shell 10 close to the thread cover 15 is provided with a second thread groove 18, the thread cover 15 is connected with the third shell 10 through the second thread groove 18 in a threaded manner, and the thread cover 15 is arranged to facilitate a user to overhaul and maintain a gear in the third shell 10.

Working principle or structural principle, when in use, the top cover 16 is rotated to drive the threaded cover 15, so that the threaded cover 15 is separated from the fourth shell 19, the maintenance of the gears in the third casing 10 can be performed, the dehumidifying agent can be injected into the fifth casing 24, the moisture in the fourth casing 19 can be prevented, when the fourth shell 19 is impacted, the third shell 10 drives the second link 14 and pulls the first link 13, the first link 13 pulls the third link 22 to incline, the first spring 21 is stretched and rebounds under force, the force is buffered, meanwhile, the first limit plate 12 drives the first support rod 11 and the fourth limit plate 37 to extrude the fifth spring 35, the fifth spring 35 is rebounded under the force to buffer the force, the influence of the force on the third shell 10 is reduced, meanwhile, the third shell 10 is limited by the first limiting block 1, the second limiting block 7 and the third limiting block 20, and the bottom cover 3 arranged at one end of the oil outlet pipe 2 can prevent dust and sundries from entering the third shell 10 through the oil outlet pipe 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protective structure of wind generating set gearbox casing, includes fourth casing (19), its characterized in that: the inner welding of the fourth shell (19) has four sixth shells (23), the inner of the fourth shell (19) is provided with a third shell (10), one side of the third shell (10) close to the sixth shell (23) is welded with four second connecting rods (14), one end of the second connecting rod (14) far away from the third shell (10) is hinged with a first connecting rod (13), one end of the first connecting rod (13) far away from the second connecting rod (14) is hinged with a third connecting rod (22), one end of the third connecting rod (22) far away from the first connecting rod (13) is hinged with the sixth shell (23), one side of the third connecting rod (22) far away from the first connecting rod (13) is welded with a first spring (21), one end of the first spring (21) far away from the third connecting rod (22) is welded with the fourth shell (19), a second hole groove (36) is formed in the sixth shell (23), the inside welding of second hole groove (36) has fifth spring (35), the one end welding that fifth spring (35) is close to third casing (10) has fourth limiting plate (37), one side welding that fifth spring (35) were kept away from in fourth limiting plate (37) has first bracing piece (11), the one end that third casing (10) are close to in first bracing piece (11) runs through third casing (10), the one end welding that third casing (10) are close to in first bracing piece (11) has first limiting plate (12), the bottom intercommunication of third casing (10) has oil pipe (2), the one end that third casing (10) were kept away from in oil pipe (2) runs through fourth casing (19).

2. The protective structure of the gear box body of the wind generating set according to claim 1, characterized in that: the novel multifunctional shell is characterized in that two fifth shells (24) are welded in the fourth shell (19), and vent holes (25) are uniformly formed in one side, close to the third shell (10), of each fifth shell (24).

3. The protective structure of the gear box body of the wind generating set according to claim 1, characterized in that: the welding of fourth casing (19) inboard bottom has two first backup pads (9), one side welding that first backup pad (9) is close to third casing (10) has gag lever post (8), the one end welding that gag lever post (8) are close to third casing (10) has second stopper (7), the welding of the inboard bottom of fourth casing (19) has two first stoppers (1), the welding of the inboard top of fourth casing (19) has two third stoppers (20).

4. The protective structure of the gear box body of the wind generating set according to claim 1, characterized in that: one end that goes out oil pipe (2) and run through fourth casing (19) articulates there is bottom (3), draw-in groove (38) have been seted up to one side that bottom (3) are close to oil pipe (2), the inside bonding of draw-in groove (38) has rubber pad (26), oil pipe (2) are through draw-in groove (38) and bottom (3) joint.

5. The protective structure of the gear box body of the wind generating set according to claim 4, characterized in that: the welding of one side of bottom (3) has second casing (5), one side welding that oil pipe (2) is close to second casing (5) has first casing (4), first hole groove (27) have been seted up to the inside of first casing (4), first hole groove (27) internal weld has second spring (28), the welding of one end that second spring (28) is close to second casing (5) has third limiting plate (33), one side welding that third limiting plate (33) is close to second casing (5) has second bracing piece (34), the one end that second bracing piece (34) is close to second casing (5) runs through first casing (4), the welding of one end that second bracing piece (34) runs through first casing (4) has steel ball (29), third hole groove (30) have been seted up to one side that second casing (5) are close to steel ball (29), plug (6) are inserted in the third hole groove (30), a second limiting plate (31) is welded on one side of the plug (6) located inside the third hole groove (30), and a fourth spring (32) is welded on one side of the second limiting plate (31) close to the steel ball (29).

6. The protective structure of the gear box body of the wind generating set according to claim 1, characterized in that: first thread groove (17) have been seted up at the top of fourth casing (19), there is screw cap (15) at the top of fourth casing (19) through first thread groove (17) threaded connection, top cap (16) have been welded at the top of screw cap (15), second thread groove (18) have been seted up to one side that third casing (10) are close to screw cap (15), screw cap (15) are through second thread groove (18) and third casing (10) threaded connection.