CN217732420U - Auxiliary installation equipment for large-capacity fan - Google Patents

Abstract

The utility model provides a large capacity fan auxiliary erection equipment, belongs to fan auxiliary erection instrument technical field. Including rings (1), its characterized in that: the lifting ring (1) is provided with at least two ratchet wheels (2), a winding wheel is fixed on each ratchet wheel (2), a lifting belt (3) is wound on each winding wheel, and the lower end of each lifting belt (3) is fixed on a positioning frame (7) of the balance rod (4); the positioning frame (7) is arranged on the balancing rod (4) in a sliding manner; the balancing pole (4) is also provided with at least two limiting blocks. The equipment is suitable for universal lifting appliance products of various types of wind turbine generators, and the safety of the lifting appliance is enhanced. The universality and the safety of the construction machine are better solved.

Description

Auxiliary installation equipment for large-capacity fan

Technical Field

The utility model provides a large capacity fan auxiliary erection equipment, belongs to fan auxiliary erection instrument technical field.

Background

Since the 21 st century, some major national projects are continuously implemented in China, preferential policy and regulations related to wind power are formulated, particularly, the implementation of a wind power privilege project and the formulation of a renewable energy source law establish and expand the domestic wind power market, the starting and large-scale development of the domestic wind power industry are favorably promoted, the domestic fan industry is more greatly developed, and the total output value of the fan industry is rapidly increased. The large-scale wind generating set is a high and new technology product which has complex structure and advanced technology and integrates multiple disciplines of machinery, hydraulic pressure, electronics, aerodynamics and the like. The high-capacity ultrahigh wind turbine generator set is different from the traditional 1-3MW generator set in tower height, engine room weight and blade length, so that the technical method for hoisting the wind turbine generator set is also greatly different. In the prior art, each model of the fan needs to be equipped with a special lifting appliance, and the time, energy and resource fund are consumed for researching and manufacturing the lifting appliance.

For example, chinese patent CN202220013896.7 discloses a wind power blade special lifting appliance, which comprises a main platform, lifting straps and a pressing mechanism, wherein cross beams are installed at two ends of the main platform, the cross beams are perpendicular to the main platform, positioning plates are installed at two ends of the cross beams, a plurality of positioning holes which are used for installing the lifting straps and are distributed in an array manner along the length direction of the cross beams are arranged on the positioning plates, and the pressing mechanism is installed below the cross beams and located between two ends of the lifting straps. The special lifting appliance for the wind power blade can meet lifting of the blade in various postures, and the lifting appliance can be quickly separated from the blade, so that the mounting efficiency of the wind power blade is improved. It does not have good applicability to other components of the wind turbine.

At present, a universal lifting appliance product suitable for various types of wind turbine generators is lacked to enhance the safety of the lifting appliance. The existing construction machine cannot achieve universality and safety.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the large-capacity fan auxiliary installation equipment with universality and safety is provided.

The utility model provides a technical scheme that its technical problem adopted is: this supplementary erection equipment of large capacity fan, including rings, its characterized in that: the lifting ring is provided with at least two ratchet wheels, a winding wheel is fixed on each ratchet wheel, a lifting belt is wound on each winding wheel, and the lower end of each lifting belt is fixed on the positioning frame of the balance rod; the positioning frame is arranged on the balancing rod in a sliding manner; the balancing pole still is equipped with two piece at least stoppers.

The utility model arranges the ratchet wheel on the lifting ring, the length of the lifting belt can be conveniently adjusted and the lifting belt can be prevented from slipping by utilizing the ratchet wheel, and the lifting ring can adapt to different span requirements; the utility model discloses still be equipped with the balancing pole, the angle in position control hoist and mount area that the balancing pole can utilize the sliding location frame, cooperation length is adjusted, can form stable hoist and mount, prevents that focus skewness is too big, also can adjust the angle of the fan part of being hoisted itself, makes things convenient for the fan to install. The locating frame limits the sliding amplitude through the limiting block, gives certain freedom degree of spontaneous adjustment, forms certain buffering, and increases the lifting safety.

Preferably, the balance rod is a straight rod. The straight-bar type balancing bar is suitable for long-strip-shaped fan components and can form stable hoisting.

Preferably, the auxiliary mounting equipment for the high-capacity fan comprises a pair of inner limiting blocks and a pair of outer limiting blocks, wherein the outer limiting blocks are arranged on the outer sides of the inner limiting blocks. The positioning frames are respectively arranged on the outer sides of the outer limiting blocks and between the two inner limiting blocks, so that the hoisting belt can be effectively separated.

Preferably, the balance rod is circular.

Preferably, the balance rod is composed of three straight rods, and the three straight rods are connected end to form a stable triangle.

The circular ring-shaped and triangular balancing rods can better adapt to irregular-shaped fan parts, and stable hoisting can be formed.

Preferably, the opening on the bottom surface of the balancing rod forms a sliding chute, sliding rails are arranged on two sides of the sliding chute in the balancing rod, and positioning grooves are formed in the edges of the sliding rails; the upper part of the corresponding limiting block is arranged in the sliding groove, and the limiting block consists of a clamp spring, a tightening bolt and a roller; the clamp spring is a main body of the limiting block and consists of two elastic steel sheets; the roller is arranged at the top end of the clamp spring and slides on the slide rail; the inner end of the tightening bolt is fixed on one elastic steel sheet, the outer end of the tightening bolt penetrates through a through hole formed in the other elastic steel sheet and then is in threaded connection with a nut, and the clamp spring is limited by the tightening bolt and is kept in a compressed state.

The clamp spring can be contracted by screwing the nut, so that the clamp spring is separated from the positioning groove and can slide freely; after the limiting block slides to a preset position, the nut is loosened, the clamp spring automatically bounces open and bounces into the corresponding positioning groove, and the limiting block is fixed in position to play a limiting role.

Preferably, the nut is a butterfly nut.

Preferably, the positioning frame is composed of a frame body and two pulleys, and the two pulleys are respectively arranged at the upper part and the lower part of the frame body; the balance rod penetrates through a gap between the two pulleys, and the hoisting belt is connected to the frame body. The balance bar passes through the gap between the two pulleys, so that the positioning frame can freely slide on the balance bar.

Compared with the prior art, the utility model discloses a beneficial effect that large capacity fan auxiliary erection equipment had is: the utility model provides an in the past each model need be equipped with special lifting device in the fan hoist and mount, consume the problem of time, energy, resource and fund. The utility model arranges the ratchet wheel on the lifting ring, and the length of the lifting belt can be conveniently adjusted and the lifting belt can be prevented from slipping by utilizing the ratchet wheel, thus being capable of adapting to different span requirements; the utility model discloses still be equipped with the balancing pole, the angle in position control hoist and mount area that the balancing pole can utilize the sliding location frame, cooperation length is adjusted, can form stable hoist and mount, prevents that focus skewness is too big, also can adjust the angle of the fan part of being hoisted itself, makes things convenient for the fan to install. The locating frame limits the sliding amplitude through the limiting block, gives certain freedom degree of spontaneous adjustment, forms certain buffering, and increases the lifting safety. The equipment is suitable for universal lifting appliance products of various types of wind turbine generators, and the safety of the lifting appliance is enhanced. The universality and the safety of the construction machine are better solved.

Drawings

Fig. 1 is the utility model discloses a schematic diagram of a large capacity fan auxiliary installation equipment.

Fig. 2 is the utility model discloses a large capacity fan auxiliary installation equipment's user state schematic diagram.

Fig. 3 is an enlarged sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.

Fig. 4 is an enlarged sectional view taken along line B-B in fig. 1.

Fig. 5 is the utility model discloses a positioning frame schematic diagram of large capacity fan auxiliary erection equipment.

The lifting device comprises a lifting ring 1, a lifting ring 2, a ratchet 3, a lifting belt 4, a balancing rod 402, a sliding rail 402, a positioning groove 5, an outer limiting block 6, an inner limiting block 601, a clamp spring 602, a tightening bolt 603, a roller 7, a positioning frame 701, a frame body 702, a pulley 8 and a cabin.

Detailed Description

Fig. 1 to 5 show a preferred embodiment of the present invention, and the present invention will be further described with reference to fig. 1 to 5.

With reference to figures 1, 2: the utility model discloses a large capacity fan auxiliary erection equipment, including rings 1, hoist and mount area 3, balancing pole 4, stopper and locating frame 7, rings 1 is equipped with two at least ratchet 2, is fixed with the reel on the ratchet 2, and the winding wheel is twined and is had hoist and mount area 3, and the lower extreme of hoist and mount area 3 is fixed on locating frame 7 of balancing pole 4, and balancing pole 4 is a straight-bar; the positioning frame 7 is arranged on the balancing rod 4 in a sliding manner; the balancing rod 4 is further provided with a limiting block, the limiting block comprises a pair of inner limiting blocks 6 and a pair of outer limiting blocks 5, and the outer limiting blocks 5 are arranged on the outer sides of the inner limiting blocks 6.

Referring to fig. 3: the bottom surface of the balancing rod 4 is provided with an opening to form a sliding chute, sliding rails 401 are arranged on two sides of the sliding chute in the balancing rod 4, and positioning grooves 402 are formed in the edges of the sliding rails 401; the upper part of the corresponding limiting block is arranged in the sliding groove, and the limiting block is composed of a clamp spring 601, a tightening bolt 602 and a roller 603; the clamp spring 601 is a main body of the limiting block, and the clamp spring 601 is composed of two elastic steel sheets; the roller 603 is arranged at the top end of the clamp spring 601 and slides on the slide rail 401; the inner end of the tightening bolt 602 is fixed on one elastic steel sheet, the outer end of the tightening bolt 602 penetrates through a through hole formed in the other elastic steel sheet and then is in threaded connection with a butterfly nut, and the clamp spring 601 is limited by the tightening bolt 602 and is kept in a compressed state.

Referring to figures 4 and 5: the positioning frame 7 is composed of a frame body 701 and two pulleys 702, wherein the two pulleys 702 are respectively arranged at the upper part and the lower part of the frame body 701; the balance bar 4 passes through the gap between the two pulleys 702, and the hoisting belt 3 is movably connected on the frame 701.

Other embodiment 1: the basic structure and connection relationship are the same as those described above and shown in fig. 1-5, except that the balancing rod 4 is circular, which is more suitable for hoisting special-shaped pieces and is convenient for adjusting the center position.

Other embodiment mode 2: the basic structure and connection relationship are the same as those described above and shown in fig. 1-5, except that the balance bar 4 is composed of three straight bars, and the three straight bars are connected end to form a stable triangle, so that the special-shaped part lifting device is more suitable for lifting special-shaped parts, and the central position can be conveniently adjusted.

The use method comprises the following steps: the gravity center position of a large-capacity fan component is predicted in advance by using a BIM technology, a worker selects a hanging point of the fan component, the position of a positioning frame on a balancing pole and the length of a hoisting belt 3 are adjusted, and a limiting block is used for limiting the sliding range of the positioning frame, so that the safety is guaranteed as much as possible, multiple hoisting and adjustment can be carried out, and finally, the gravity center can be formally hoisted under a lifting hook under the condition that the fan component keeps a required installation posture, and the installation of each component of the large-capacity fan is carried out.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a large capacity fan auxiliary erection equipment, includes rings (1), its characterized in that: at least two ratchet wheels (2) are arranged on the hanging ring (1), reel wheels are fixed on the ratchet wheels (2), hoisting belts (3) are wound on the reel wheels, and the lower ends of the hoisting belts (3) are fixed on a positioning frame (7) of the balance rod (4); the positioning frame (7) is arranged on the balancing rod (4) in a sliding manner; the balancing pole (4) is also provided with at least two limiting blocks.

2. The auxiliary mounting device for the high-capacity blower fan as claimed in claim 1, wherein: the balance rod (4) is a straight rod.

3. A high capacity blower auxiliary mounting apparatus as claimed in claim 2, wherein: the limiting blocks comprise a pair of inner limiting blocks (6) and a pair of outer limiting blocks (5), and the outer limiting blocks (5) are arranged on the outer sides of the inner limiting blocks (6).

4. The auxiliary mounting device for the high-capacity blower fan as claimed in claim 1, wherein: the balance rod (4) is in a ring shape.

5. The auxiliary mounting device for the high-capacity blower fan as claimed in claim 1, wherein: the balance rod (4) is composed of three straight rods which are connected end to form a stable triangle.

6. The auxiliary mounting device for the high-capacity blower as claimed in claim 1, wherein: the bottom surface of the balancing rod (4) is provided with an opening to form a sliding groove, sliding rails (401) are arranged on two sides of the sliding groove in the balancing rod (4), and positioning grooves (402) are formed in the edges of the sliding rails (401); the upper part of the corresponding limiting block is arranged in the sliding groove, and the limiting block consists of a clamp spring (601), a tightening bolt (602) and a roller (603); the clamp spring (601) is a main body of the limiting block, and the clamp spring (601) is composed of two elastic steel sheets; the roller (603) is arranged at the top end of the clamp spring (601) and slides on the slide rail (401); the inner end of the tightening bolt (602) is fixed on one elastic steel sheet, the outer end of the tightening bolt (602) penetrates through a through hole formed in the other elastic steel sheet and then is in threaded connection with a nut, and the clamp spring (601) is limited by the tightening bolt (602) and is kept in a compressed state.

7. The high capacity blower auxiliary mounting apparatus as set forth in claim 6, wherein: the nut is a butterfly nut.

8. The auxiliary mounting device for the high-capacity blower as claimed in claim 1, wherein: the positioning frame (7) consists of a frame body (701) and two pulleys (702), wherein the two pulleys (702) are respectively arranged at the upper part and the lower part of the frame body (701); the balance rod (4) penetrates through a gap between the two pulleys (702), and the hoisting belt (3) is connected to the frame body (701).

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