CN213802622U

CN213802622U - Novel bridge crane

Info

Publication number: CN213802622U
Application number: CN202022880066.8U
Authority: CN
Inventors: 钟铭; 周桓; 邬江虎; 付利民; 申杰
Original assignee: Huaneng Qinmei Ruijin Power Generation Co Ltd
Current assignee: Huaneng Qinmei Ruijin Power Generation Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-27
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a novel bridge crane, including electric block, electric block and I-beam swing joint, the left and right sides of I-beam is provided with two sets of box-shaped beams, and both sides welding is provided with two sets of end beams around two sets of box-shaped beams, and homonymy end beam passes through the end beam and connects the short circuit and link to each other, and the equal fixed mounting in both sides of end beam has two sets of gyro wheels. A novel bridge crane, through being provided with first dolly, second dolly and electric block, satisfy different hoists in each hoisting mechanism acceleration's pluralism, generally little article use electric block can be quick lift by crane, can select first dolly or second dolly according to weight and installation accuracy requirement, select wide and strong adaptability, solve high-increasing article such as generator stator and vertical coiled pipe and lift by crane the unsatisfactory hoist and mount requirement scheduling problem of lifting hook span for little tonnage article hoisting speed and operation have more the convenience.

Description

Novel bridge crane

Technical Field

The utility model relates to a hoist field, in particular to novel bridge crane.

Background

The bridge crane of the steam turbine room is a common hoisting device in the steam turbine room of a thermal power plant, in the installation process of a steam turbine body and accessory equipment, the steam turbine and the accessory equipment have the requirements of large weight, large size, high installation matching precision and the like, and the high-precision control hoisting machine plays a vital role;

the existing crane has certain disadvantages, firstly, the existing crane only has one trolley, the trolley only has one large-tonnage lifting hook, which can not meet the requirement of high-pressure lifting of a field generator stator and a vertical coiled pipe, the high-pressure lifting external dimension of the generator stator and the vertical coiled pipe leads to larger lifting appliance dimension, the distance between two lifting hooks on one trolley is too short, which can not meet the requirement of field lifting, the traveling function is single, in order to ensure that the lifting precision and safety meet the requirement, the existing trolley is provided with one big hook and one small hook, the lifting capacity of the large hook is large, the lifting speed of the big hook is slow, the lifting weight of the small hook is small, the speed is higher than that of the big hook, one small hook can not meet the requirement of the field in the daily common maintenance process, the field maintenance and the mounting and lifting speed are influenced, auxiliary lifting equipment is not provided, and the traveling trolley is complex and inconvenient to operate relative to an electric hoist when lifting small-tonnage objects, therefore, a novel bridge crane is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a novel bridge crane, which can effectively solve the disadvantages of the existing crane in the background technology, firstly, the existing crane only has a trolley, the trolley only has a large-tonnage lifting hook, which can not satisfy the requirement of high-pressure lifting of the stator of the on-site generator and the vertical coiled pipe, the high-pressure lifting of the stator of the generator and the vertical coiled pipe leads the size of the lifting appliance to be larger, the distance between two lifting hooks on one trolley is too short, which can not satisfy the requirement of on-site lifting, the traveling function is single, in order to ensure the lifting precision and the safety satisfaction, the existing trolley is provided with a big hook and a small hook, the lifting capacity of the big hook is large, the lifting speed of the big hook is slow, the lifting weight of the small hook is small, the speed is larger than that of the big hook, one small hook can not satisfy the on-site requirement in the daily ordinary maintenance process, the on-site maintenance and the mounting and lifting speed are affected, auxiliary hoisting equipment is not arranged, and the travelling crane trolley is complex and inconvenient to operate relative to the electric hoist when hoisting small-tonnage objects.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel bridge crane, includes electric block, electric block and I-beam swing joint, the left and right sides of I-beam is provided with two sets of box-shaped beams, and is two sets of the welding of both sides is provided with two sets of end beams, homonymy around the box-shaped beam the end beam passes through the end beam and connects the short circuit and link to each other, the equal fixed mounting in both sides of end beam has two sets of gyro wheels, the end beam just is located box-shaped beam one side fixed mounting has two sets of gyro wheels, and is two sets of lean on outside fixed mounting to have drive arrangement in the gyro wheel, drive arrangement is provided with four groups altogether.

Preferably, the right sides of the two groups of box beams are fixedly provided with a cab, the right side of the cab is fixedly provided with a ladder stand, the left side of the box beam and the right side of the box beam on the right side are both provided with connecting rods, and the tops of the connecting rods are fixedly provided with rollers.

Preferably, a safety fence is arranged at the top of each box girder.

Preferably, the two groups of end beams are movably provided with a first trolley and a second trolley, the first trolley is positioned on the left side of the second trolley, and a trolley track is arranged at the bottom of the second trolley.

Preferably, the outer sides of the two groups of end beams are provided with anti-collision rods, and a cushion pad is arranged between the end beams connected with the short circuit.

Preferably, the lifting speed of the main lifting mechanism in the first trolley is 0.176-1.76 m/min, the lifting speed of the auxiliary lifting mechanism is 0.749-1.72 m/min, the lifting speed of the lifting mechanism of the second trolley is 0.172-1.72 m/min, and the lifting speed of the electric hoist is 7 m/min.

Compared with the prior art, the beneficial effects of the utility model are that:

through being provided with first dolly, second dolly and electric block, the variousness such as three's hoisting weight and hoisting speed satisfies different hoists at each hoisting mechanism rising speed's pluralism, but general little article use electric block quick hoisting, can select first dolly or second dolly according to weight and installation accuracy requirement, select wide and strong adaptability, solve generator stator and vertical coiled pipe height and increase large-scale article and lift by crane the lifting hook span and unsatisfied hoist and mount the requirement scheduling problem, it has the convenience to accelerate little tonnage article hoist and mount speed and operation.

Drawings

Fig. 1 is a front view of a novel bridge crane of the present invention;

fig. 2 is a top view of the novel bridge crane of the present invention;

fig. 3 is a left side view of the novel bridge crane of the present invention.

In the figure: 1. an electric hoist; 2. a cab; 3. climbing a ladder; 4. a connecting rod; 5. a roller; 6. a security fence; 7. a first carriage; 8. a second carriage; 9. a drive device; 10. a box beam; 11. an I-beam; 12. a trolley track; 13. an end beam; 14. the end beam is connected with a short circuit; 15. a cushion pad; 16. an anti-collision rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a novel bridge crane comprises an electric hoist 1, the electric hoist 1 is movably connected with an i-beam 11, two groups of box-shaped beams 10 are arranged on the left side and the right side of the i-beam 11, two groups of end beams 13 are welded on the front side and the rear side of the two groups of box-shaped beams 10, the end beams 13 on the same side are connected with a short circuit 14 through the end beams, two groups of rollers 5 are fixedly arranged on the two sides of each end beam 13, two groups of rollers 5 are fixedly arranged on one side of each end beam 13, a driving device 9 is fixedly arranged on the outer side of each two groups of rollers 5, and four groups of driving devices 9 are arranged in total.

The right sides of the two groups of box beams 10 are fixedly provided with a cab 2, the right side of the cab 2 is fixedly provided with a ladder stand 3, the left side of the left box beam 10 and the right side of the right box beam 10 are both provided with connecting rods 4, the tops of the connecting rods 4 are fixedly provided with rollers 5, the tops of the box beams 10 are both provided with safety fences 6, two groups of end beams 13 are movably provided with a first trolley 7 and a second trolley 8, the first trolley 7 is positioned on the left side of the second trolley 8, and the bottom of the second trolley 8 is provided with a trolley track 12.

The outer sides of the two groups of end beams 13 are respectively provided with an anti-collision rod 16, a cushion pad 15 is arranged between the end beam connecting short circuits 14, the first trolley 7 is a 132T/32T trolley, the lifting speed of a main lifting mechanism in the first trolley 7 is 0.176-1.76 m/min, the lifting speed of an auxiliary lifting mechanism is 0.749-1.72 m/min, the second trolley 8 is a 225T trolley, the lifting speed of the lifting mechanism of the second trolley 8 is 0.172-1.72 m/min, and the lifting speed of the electric hoist 1 is 7 m/min.

By adopting the technical scheme: through being provided with first dolly 7, second dolly 8 and electric block 1, the variousness such as three's hoisting weight and hoisting speed satisfies different hoists in the pluralism of each hoisting mechanism rising speed, the hoisting that generally little article used electric block 1 can be quick, can select first dolly 7 or second dolly 8 according to weight and installation accuracy requirement, select wide and strong adaptability, solve generator stator and vertical coiled pipe height and increase the unsatisfied hoist and mount requirement scheduling problem of lifting hook span of lifting by crane of large-scale article, it has the convenience to accelerate little tonnage article hoist and mount speed and operation.

It should be noted that the utility model is a novel bridge crane, when in use, firstly, the crane is placed on the track above the main workshop and pressed on the track through the rollers 5, the track has a limiting function for the crane, two trolley tracks 12 of the crane in the steam engine room are respectively arranged above two groups of box beams 10 according to the designed span, the tracks are welded with the box beams 10, the problem that the span of the lifting hook of the generator stator and the vertical serpentine high-pressure large-scale object can not meet the lifting requirement is solved, a first trolley 7 and a second trolley 8 are arranged and arranged on the trolley tracks 12, wherein the first trolley 7 is provided with a main lifting mechanism, the lifting capacity is 132t, an auxiliary lifting mechanism, the lifting capacity is 32t, the second trolley 8 is provided with 1 lifting device, the lifting capacity is 225t, the first trolley 7 and the second trolley 8 run on the trolley tracks 12, the left and right direction positions of a lifting hook are adjusted, an I-beam 11 is connected with a box beam 10 in a welding mode, the I-beam 11 is a track I-beam 11 of an electric hoist 1, the electric hoist 1 runs on the track I-beam 11, safety fences 6 are arranged on two sides of the crane beam, the safety fences 6 are connected with the box beam 10 through bolts, a cab 2 is arranged below an end beam 13 on one side and passes through a ladder stand 3 to the top of the box beam 10 from the cab 2, the ladder stand 3 is connected with the box beam 10 and the cab 2 through bolts, in order to prevent the crane and the crane from directly colliding with a track limiting device, a cushion pad 15 and an anti-collision bar 16 are designed to effectively protect the crane, in order to meet the diversification of the lifting speeds of various lifting mechanisms during the design of different hoisting parts, the lifting speed of a main lifting mechanism of a first trolley 7 is 0.176-1.76 m/min, the lifting speed of an auxiliary lifting mechanism is 0.749-1.72 m/min, the lifting speed of the lifting mechanism of the second trolley 8 is 0.172-1.72 m/min, the lifting speed of the electric hoist 1 is 7m/min, common small objects can be quickly lifted by using the electric hoist 1, different trolleys can be selected according to the weight and installation accuracy requirements, the selection range is wide, the adaptability is strong, and the trolley is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel bridge crane comprises an electric hoist (1), and is characterized in that: electric block (1) and I-beam (11) swing joint, the left and right sides of I-beam (11) is provided with two sets of box beam (10), and is two sets of the welding of both sides is provided with two sets of end beam (13) around box beam (10), homonymy end beam (13) are connected short circuit (14) through the end beam and are linked to each other, the equal fixed mounting in both sides of end beam (13) has two sets of gyro wheels (5), end beam (13) just are located box beam (10) one side fixed mounting have two sets of gyro wheels (5), and are two sets of lean on outside fixed mounting to have drive arrangement (9) in gyro wheel (5), drive arrangement (9) are provided with four groups altogether.

2. The novel bridge crane as claimed in claim 1, wherein: the right sides of the two groups of box-shaped beams (10) are fixedly provided with a cab (2), the right side of the cab (2) is fixedly provided with a ladder (3), the left side of the box-shaped beams (10) and the right side of the box-shaped beams (10) are both provided with a connecting rod (4), and the top of the connecting rod (4) is fixedly provided with a roller (5).

3. The novel bridge crane as claimed in claim 1, wherein: safety fences (6) are arranged at the tops of the box girders (10).

4. The novel bridge crane as claimed in claim 1, wherein: two sets of end beam (13) movable mounting has first dolly (7) and second dolly (8), just first dolly (7) are located the left side of second dolly (8), the bottom of second dolly (8) is provided with dolly track (12).

5. The novel bridge crane as claimed in claim 1, wherein: the outer sides of the two groups of end beams (13) are provided with anti-collision rods (16), and a cushion pad (15) is arranged between the end beams connected with the short circuit (14).

6. The novel bridge crane as claimed in claim 4, wherein: the lifting speed of a main lifting mechanism in the first trolley (7) is 0.176-1.76 m/min, the lifting speed of an auxiliary lifting mechanism is 0.749-1.72 m/min, the lifting speed of a lifting mechanism of the second trolley (8) is 0.172-1.72 m/min, and the lifting speed of the electric hoist (1) is 7 m/min.