CN214733970U

CN214733970U - Cantilever crane for field maintenance of wind driven generator

Info

Publication number: CN214733970U
Application number: CN202121247508.3U
Authority: CN
Inventors: 李阳
Original assignee: Gansu Xinjingcheng Energy Engineering Technology Co ltd
Current assignee: Gansu Xinjingcheng Energy Engineering Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-16
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to a cantilever crane is used in field maintenance of aerogenerator, including telescopic link and base, the internal fixed surface of telescopic link installs adjusting device, adjusting device includes the motor, the output shaft of motor has the screw thread axle through the coupling joint, the surface movable mounting of screw thread axle has the lift cover, the left surface movable mounting of lift cover has the slider, the right surface movable mounting of lift cover has the connecting rod, the last surface movable mounting of connecting rod has the sliding block. This cantilever crane is used in aerogenerator field maintenance, through being provided with adjusting device, the motor rotates the rotation that drives the connecting rod, has realized to hang in midair the extension when wall uses and the shrink in the telescopic link during transportation, the transportation of being convenient for, through being provided with elevating gear, the handle rotates reciprocating of driving the backup pad, has realized the regulation to the flexible size of telescopic link, has further realized the convenience of transportation and to hanging in midair the regulation of height.

Description

Cantilever crane for field maintenance of wind driven generator

Technical Field

The utility model relates to a relevant technical field of new forms of energy specifically is a cantilever crane is used in aerogenerator field maintenance.

Background

Based on environmental protection concept and sustainable development, our country has promoted new energy development all the time in recent years, and has achieved more remarkable results, in the field of new energy development, wind-driven generators are developed rapidly at present, wherein doubly-fed wind-driven generator sets are the most installed wind-driven generator types at present, with the continuous continuation of operation time, doubly-fed generators may have problems such as bearings, windings, etc., it is urgent to reduce generator damage and improve field maintenance capability and maintenance efficiency, wind-driven generators are electric devices that convert wind energy into mechanical power, the mechanical power drives a rotor to rotate and finally output alternating current, wind-driven generators generally comprise wind wheels, generators, direction regulators, towers, speed-limiting safety mechanisms, energy storage devices and other components, and generator sets are used as power generation conversion devices, the maintenance rate is the highest, and in order to facilitate maintenance of wind-driven generators, typically, a wind turbine is used for field maintenance.

However, most of the existing wind driven generator maintenance cantilever cranes adopt the most original operation method, the structure is single, the machines are dead, so that a plurality of inconvenient factors still exist in the use or transportation process, such as installation limitation, the height of the wind driven generator cannot be flexibly adjusted, and the transportation is difficult due to the overlong length.

The cantilever crane for field maintenance of the wind driven generator in the current market is inconvenient to transport, and the transportation cost is increased due to the fact that the height of a support of the cantilever crane is mostly fixed and the flexibility is not high, so that the cost of maintaining the wind driven generator in an enterprise is increased, the cantilever crane is not beneficial to the good development of the enterprise, and the cantilever crane for field maintenance of the wind driven generator is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a cantilever crane is used in on-spot maintenance of aerogenerator possesses advantages such as convenient regulation and the transportation of being convenient for, has solved the problem of support high-fixing and the transportation of not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a cantilever crane for field maintenance of a wind driven generator comprises a telescopic rod and a base, wherein an adjusting device is fixedly installed on the inner surface of the telescopic rod.

Adjusting device includes the motor, the output shaft of motor has the screw shaft through the coupling joint, the surface movable mounting of screw shaft has the lift cover, the left surface movable mounting of lift cover has the slider, the right surface movable mounting of lift cover has the connecting rod, the last surface movable mounting of connecting rod has the sliding block, the surface movable mounting of sliding block has the wall of hanging in midair, the left fixed surface who suspends the wall in midair has the support with telescopic link movable mounting.

Furthermore, an isolation plate is fixedly mounted on the inner surface of the telescopic rod, a groove is formed in the inner surface of the isolation plate, and the size of the groove is matched with that of the connecting rod.

Furthermore, the inner surface of the suspension wall is provided with a sliding groove, and the size of the sliding groove is matched with that of the sliding block.

Further, the upper surface of telescopic link fixed mounting has the mounting disc that is located the division board right side, the mounting disc with hang wall movable mounting in midair, the spout has been seted up to the left surface of telescopic link, the size of spout and the size phase-match of slider.

Further, the upper surface of base fixed mounting has a telescopic cylinder, the internal surface fixed mounting of telescopic cylinder has elevating gear.

Further, elevating gear includes that quantity is two driving gear, two the internal surface of driving gear all with bearing fixed mounting, two the equal movable mounting in surface of driving gear has the toothed chain, two the internal fixed surface of toothed chain installs the driven gear who is located two driving gear tops, two the opposite face fixed mounting of toothed chain has the backup pad, the last fixed surface of backup pad installs the telescopic link.

Furthermore, two the connected mode of driving gear and toothed chain is the meshing, two the connected mode of driven gear and toothed chain is the meshing, the right fixed surface of bearing installs the handle that is located telescopic cylinder right side.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this cantilever crane is used in aerogenerator field maintenance, through being provided with adjusting device, starter motor, the rotation of motor rotation drive connecting rod has realized the extension when hanging in midair the wall and using and has contracted in the telescopic link when transporting, the transportation of being convenient for.

2. This cantilever crane is used in aerogenerator field maintenance through being provided with elevating gear, twist grip, and the handle rotates the reciprocating that drives the backup pad, has realized the regulation to the flexible size of telescopic link, has further realized the convenience of transportation and to hanging in midair the regulation of height.

Drawings

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

FIG. 2 is a combination view of the structure adjusting device of the present invention;

fig. 3 is a front view of the structure of the present invention.

In the figure: the device comprises a 1 telescopic rod, a 2 adjusting device, a 21 motor, a 22 threaded shaft, a 23 lifting sleeve, a 24 sliding block, a 25 connecting rod, a 26 sliding block, a 27 suspension wall, a 28 support, a 3 isolating plate, a 4 base, a 5 telescopic cylinder, a 6 lifting device, a 61 driving gear, a 62 bearing, a 63 toothed chain, a 64 driven gear, a 65 supporting plate and a 7 handle.

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.

Referring to fig. 1-3, the cantilever crane for field maintenance of a wind turbine generator in the embodiment includes an expansion link 1 and a base 4, an adjusting device 2 is fixedly installed on an inner surface of the expansion link 1, an installation plate located on the right side of a partition plate 3 is fixedly installed on an upper surface of the expansion link 1, an expansion cylinder 5 is fixedly installed on an upper surface of the base 4, a lifting device 6 is fixedly installed on an inner surface of the expansion cylinder 5, the lifting device 6 includes two driving gears 61, inner surfaces of the two driving gears 61 are fixedly installed on a bearing 62, toothed chains 63 are movably installed on outer surfaces of the two driving gears 61, driven gears 64 located above the two driving gears 61 are fixedly installed on inner surfaces of the two toothed chains 63, supporting plates 65 are fixedly installed on opposite surfaces of the two toothed chains 63, the expansion link 1 is fixedly installed on an upper surface of the supporting plates 65, and the two driving gears 61 are engaged with the toothed chains 63, two driven gear 64 are the meshing with the connected mode of toothed chain 63, bearing 62's right fixed surface installs the handle 7 that is located telescopic 5 right side, when implementing, through being provided with elevating gear 6, turning handle 7, handle 7 rotates and drives bearing 62 and rotate, bearing 62 rotates and drives two driving gear 61 rotations, two driving gear 61 rotate and drive toothed chain 63 and rotate, toothed chain 63 rotates and drives reciprocating of backup pad 65, the regulation to telescopic size of telescopic link 1 has been realized, further realized the convenience of transportation and to hanging in midair the high regulation, it needs to explain that, the slide rail that quantity is two is seted up to telescopic 5's internal surface, the size of two slide rails and the size phase-match of backup pad 65.

Referring to fig. 2, in order to further achieve the convenience of transportation, the adjusting device 2 in this embodiment includes a motor 21, an output shaft of the motor 21 is connected to a threaded shaft 22 through a coupling, a lifting sleeve 23 is movably installed on an outer surface of the threaded shaft 22, a sliding block 24 is movably installed on a left surface of the lifting sleeve 23, a connecting rod 25 is movably installed on a right surface of the lifting sleeve 23, a sliding block 26 is movably installed on an upper surface of the connecting rod 25, a suspension wall 27 is movably installed on an outer surface of the sliding block 26, a bracket 28 movably installed with the telescopic rod 1 is fixedly installed on a left surface of the suspension wall 27, in implementation, by providing the adjusting device 2, the motor 21 is started, the motor 21 rotates to drive the threaded shaft 22 to rotate, the threaded shaft 22 rotates to drive the lifting sleeve 23 to move up and down, the lifting sleeve 23 moves up and down to drive the connecting rod 25 to rotate, so as to realize extension when the suspension wall 27 is used and is retracted into the telescopic rod 1 during transportation, is convenient for transportation.

The working principle of the above embodiment is as follows:

(1) through being provided with adjusting device 2, when using, starter motor 21, motor 21 rotate and drive threaded shaft 22 and rotate, and threaded shaft 22 rotates and drives reciprocating of lifting sleeve 23, and lifting sleeve 23 reciprocates and drives the rotation of connecting rod 25, has realized to hang stretching and shrink when transporting when wall 27 uses in telescopic link 1 in suspension.

(2) Through being provided with elevating gear 6, when using, turning handle 7, handle 7 rotates and drives bearing 62 and rotate, and bearing 62 rotates and drives two driving gear 61 and rotate, and two driving gear 61 rotate and drive toothed chain 63 and rotate, and toothed chain 63 rotates and drives reciprocating of backup pad 65, has realized the regulation to the flexible size of telescopic link 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 cantilever crane is used in on-spot maintenance of aerogenerator, includes telescopic link (1) and base (4), its characterized in that: the inner surface of the telescopic rod (1) is provided with an adjusting device (2);

adjusting device (2) includes motor (21), the output shaft of motor (21) has threaded shaft (22) through the coupling joint, the surface movable mounting of threaded shaft (22) has lift cover (23), the left surface movable mounting of lift cover (23) has slider (24), the right surface movable mounting of lift cover (23) has connecting rod (25), the last surface movable mounting of connecting rod (25) has sliding block (26), the surface movable mounting of sliding block (26) has suspended wall (27), the left fixed surface who suspends wall (27) in midair has support (28) with telescopic link (1) movable mounting.

2. The cantilever crane for field maintenance of wind driven generator according to claim 1, wherein: the inner surface of the telescopic rod (1) is fixedly provided with a separation plate (3), the inner surface of the separation plate (3) is provided with a groove, and the size of the groove is matched with that of the connecting rod (25).

3. The cantilever crane for field maintenance of wind driven generator according to claim 1, wherein: the inner surface of the suspension wall (27) is provided with a sliding groove, and the size of the sliding groove is matched with that of the sliding block (26).

4. The cantilever crane for field maintenance of wind driven generator according to claim 2, wherein: the utility model discloses a telescopic link, including telescopic link (1), upper surface fixed mounting has the mounting disc that is located division board (3) right side, the mounting disc with hang wall (27) movable mounting in midair, the spout has been seted up to the left surface of telescopic link (1), the size of spout and the size phase-match of slider (24).

5. The cantilever crane for field maintenance of wind driven generator according to claim 1, wherein: the upper surface fixed mounting of base (4) has a telescopic cylinder (5), the internal surface fixed mounting of telescopic cylinder (5) has elevating gear (6).

6. The wind turbine on-site maintenance cantilever crane according to claim 5, wherein: elevating gear (6) are driving gear (61) two, two including quantity the internal surface of driving gear (61) all with bearing (62) fixed mounting, two the equal movable mounting in surface of driving gear (61) has toothed chain (63), two the internal fixed surface of toothed chain (63) installs driven gear (64) that are located two driving gear (61) tops, two the opposite face fixed mounting of toothed chain (63) has backup pad (65), the last fixed surface of backup pad (65) installs telescopic link (1).

7. The wind turbine on-site maintenance cantilever crane according to claim 6, wherein: two the connected mode of driving gear (61) and toothed chain (63) is the meshing, two the connected mode of driven gear (64) and toothed chain (63) is the meshing, the right surface fixed mounting of bearing (62) has handle (7) that are located telescopic cylinder (5) right side.