CN110304539B

CN110304539B - Combined hoisting device

Info

Publication number: CN110304539B
Application number: CN201910520812.1A
Authority: CN
Inventors: 林骞; 余宗奎; 周利娟; 张汉华
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-06-16
Anticipated expiration: 2039-06-17
Also published as: CN110304539A

Abstract

The invention discloses a combined hoisting device which comprises an upper structural body and a lower structural body, wherein the upper structural body comprises a first cross beam, a second cross beam and two first connecting plates, the first connecting plates are in right-angled triangle plate structures, the first cross beam is arranged below the second cross beam, the first cross beam and the second cross beam are arranged in parallel, two ends of the first cross beam and two ends of the second cross beam are respectively fixed on the two first connecting plates, two first hoisting points are arranged on the first cross beam, the lower structural body comprises two second connecting plates and a third cross beam, the second connecting plates are in rectangular plate structures, the upper parts of the two second connecting plates are respectively fixedly connected with the two first connecting plates, first holes are arranged at the lower parts of the second connecting plates, and two ends of the third cross beam penetrate through the first holes in the two second connecting plates and are fixed with. The invention aims to provide a combined hoisting device, so that the upper part and the lower part of a hoisting tool body can be quickly installed and disassembled, and the potential safety hazard of hoisting a box beam by using a steel wire rope is reduced.

Description

Combined hoisting device

Technical Field

The invention relates to the technical field of engineering construction hoisting, in particular to a combined hoisting device.

Background

At the in-process of hoist and mount large-scale structure spare, the hoist plays decisive effect to whole hoist and mount process, especially when hoisting great box-type structure roof beam, selects suitable hoist more important, and the hoist is used not only to be related to hoist and mount safety and still decides going on smoothly of whole hoist and mount process. In the process of hoisting heavy and large box-shaped beam members, steel wire ropes with enough safety factors are mostly adopted for hoisting, but the steel wire ropes are in contact with the right angle of the members in the hoisting process to easily generate right-angle sharp bends, the damage to the inner and outer structures of the steel wire ropes is difficult to avoid even if arc cushion blocks are adopted, the potential safety hazard caused by the fact that the broken wires in the steel wire ropes are difficult to find by naked eyes is observed from the outer surface, the use safety factors of the steel wire ropes are greatly reduced, and the hoisting safety operation is seriously influenced. And the steel wire rope with broken wires is not suitable for repeated use. In addition, the steel wire rope hoisting box-shaped beam is easy to slide and displace due to the stress direction problem, so that the center of gravity is shifted, and once the steel wire rope is broken, twisted, slipped and the like, the whole hoisting engineering is hard to imagine.

Disclosure of Invention

According to the defects of the prior art, the invention aims to provide the combined hoisting device, the hoisting tool is designed into an upper structural body and a lower structural body, so that the upper part and the lower part of the hoisting tool body can be quickly installed and disassembled, the problem that the inner structure and the outer structure of the steel wire rope are damaged due to the fact that the steel wire rope is in contact with the right angle of the structural member to generate a right-angle sharp bend when the steel wire rope hoists the box-shaped beam is avoided, and potential safety hazards are reduced.

In order to solve the technical problems, the invention adopts the technical scheme that:

a combined hoisting device comprises an upper structural body and a lower structural body, wherein the upper structural body comprises a first cross beam, a second cross beam and two first connecting plates, the first connecting plate is of a right-angled triangle plate-shaped structure, the first cross beam is arranged below the second cross beam, two ends of the first cross beam are respectively fixed at one acute angle of the two first connecting plates, two ends of the second cross beam are respectively fixed at the other acute angle of the two first connecting plates, so that the first cross beam and the second cross beam are parallel, the first beam is provided with two first hoisting points, the lower structure body comprises two second connecting plates and a third beam, the second connecting plates are in rectangular plate-shaped structures, the upper parts of the two second connecting plates are respectively fixedly connected with the two first connecting plates, and the lower parts of the second connecting plates are provided with first holes, and the two ends of the third cross beam penetrate through the first holes in the two second connecting plates and are fixed with the second connecting plates.

Furthermore, the first connecting plate comprises two fixing plates with the same shape, the fixing plates are of right-angled triangle plate-shaped structures, the two fixing plates are arranged at a certain interval and fixedly connected through a first connecting pin, and the upper portion of the second connecting plate penetrates through the two fixing plates and is fixedly connected with the two fixing plates through a second connecting pin.

Further, the third beam is a hollow beam.

Furthermore, the lower structural body further comprises a sleeve, and one end of the sleeve is arranged in the third cross beam and is fixed with the third cross beam through a first fastening bolt.

Furthermore, a balancing weight block is fixed at the other end of the sleeve.

Further, the lower structure body further comprises a first brace, a second lifting point is arranged at the top of the first brace, a second hole is formed in the bottom of the first brace, a brace connecting piece which extends upwards is fixed to the outer end of the second connecting plate through a third cross beam, the cross section of the brace connecting piece is of an H-shaped plate-shaped structure, a plurality of third holes are uniformly distributed in the brace connecting piece from top to bottom, and the second hole of the first brace is fixedly connected with the third holes in the brace connecting piece through third connecting pins.

Furthermore, the brace connecting piece comprises a left side plate, a middle connecting plate and a right side plate which are integrally formed, a plurality of connecting rods are uniformly distributed between the left side plate and the right side plate from top to bottom, a third hole is formed between the two connecting rods, and the first brace is clamped between the connecting rods and the middle connecting plate, so that the first brace can stretch up and down.

Furthermore, a rubber cushion block is arranged on the upper surface of the third cross beam.

Furthermore, the first cross beam and the second cross beam are both hollow beams.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. compared with the traditional lifting appliance, the combined lifting device provided by the invention has the advantages that the lifting points do not need to be welded on the box-shaped beam, the proper distance between the lifting points can be selected according to the calculation of force, the self-locking is carried out through the force of the lifting appliance and the box-shaped beam fulcrum, and the lifting points are ensured not to slide, so that the purpose of safe lifting is achieved.

2. The combined hoisting device provided by the invention does not need to be provided with a lifting lug independently, and is convenient to install and disassemble.

3. The combined hoisting device is provided with the balancing weight block, and balance is adjusted by utilizing a balance weight balance principle.

4. According to the combined hoisting device, the hoisting tool adopts a mode of combining the upper part and the lower part, so that the use limitation is reduced, and the storage and transportation requirements are facilitated.

5. According to the combined hoisting device, the hoisting point of the lower structure body is arranged on the telescopic first brace, the first brace can be pulled out in the process of connecting the first brace with the steel wire rope, and the first brace can be contracted after the first brace and the steel wire rope are fixed, so that the first brace is prevented from being collided with other objects in the transportation process to be distorted, deformed and even bent.

Drawings

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

FIG. 2 is a schematic structural view of a lower structure of the present invention;

FIG. 3 is a schematic structural view of the combination of the upper structure and the lower structure of the present invention;

FIG. 4 is a schematic view of the present invention in conjunction with a box beam;

fig. 5 is an enlarged view of the invention at a in fig. 4.

Wherein: 100. an upper structure; 110. a first cross member; 111. a first hoisting point; 120. a second cross member; 130. a first connecting plate; 131. a fixing plate; 140. a first connecting pin; 150. a second connecting pin; 160. a second brace;

200. a lower structure; 210. a third cross member; 211. bolt holes; 212. a rubber cushion block; 220. a second connecting plate; 221. a first hole; 222. a fourth aperture; 230. a sleeve; 240. balancing the balancing weight block; 250. a brace connecting piece; 251. a third aperture; 252. a left side plate; 253. an intermediate connection plate; 254. a right side plate; 255. a connecting rod; 260. a first brace; 261. a second hoisting point; 262. a second hole; 270. a first fastening bolt; 280. a third connecting pin; 290. and a second fastening bolt.

300. A box beam;

400. and (4) wood blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

Referring to fig. 1 to 3, a combined type lifting device includes an upper structure 100 and a lower structure 200, the upper structure 100 includes a first beam 110, a second beam 120 and two first connection plates 130, the first connection plates 130 are in a right-angled triangle plate structure, one right-angled side of each first connection plate 130 is horizontally disposed, the first beam 110 is disposed below the second beam 120, two ends of the first beam 110 are respectively fixed at one acute angle of the two first connection plates 130, and two ends of the second beam 120 are respectively fixed at the other acute angle of the two first connection plates 130. Specifically, two ends of the first cross member 110 may be respectively welded at one acute angle of the two first connection plates 130, two ends of the second cross member 120 may be respectively welded at the other acute angle of the two first connection plates 130, so that the first cross member 110 and the second cross member 120 are parallel, the first cross member 110 and the second cross member 120 are spaced at a certain distance from top to bottom, and the first cross member 110 and the second cross member 120 are spaced at a certain distance from front to back. The first beam 110 is provided with two first lifting points 111, specifically, the first beam 110 is provided with two lifting lugs extending outwards, each lifting lug is provided with a lifting lug hole, and each lifting lug hole can be connected with a steel wire rope for lifting. Because the first connecting plate 130 in the upper structure 100 of the device is a right-angled triangle plate-shaped structure, the center of gravity is close to the front, and when in hoisting, the two first hoisting points 111 on the first cross beam 110 and the second cross beam 120 at the upper rear part can form 4 hoisting points, thereby achieving a balanced state.

The lower structure 200 includes two second connection plates 220 and a third beam 210, the second connection plates 220 are rectangular plate-shaped structures, the upper portions of the two second connection plates 220 are respectively and fixedly connected with the two first connection plates 130, the lower portion of the second connection plates 220 is provided with first holes, two ends of the third beam 210 penetrate through the first holes on the two second connection plates 220 and are fixed with the second connection plates 220, and specifically, two ends of the third beam 210 can be respectively welded with the two second connection plates 220.

In use, the upper structure 100 and the lower structure 200 may be used in combination, or the upper structure 100 and the lower structure 200 may be used separately. When the upper structure 100 and the lower structure 200 are used in combination, the first beam 110 of the upper structure 100 may be placed on the box beam 300, the upper portions of the two second connecting plates 220 of the lower structure 200 may be fixedly connected to the two first connecting plates 130 through the second connecting pins 150, respectively, the distance between the third beam 210 of the lower structure 200 and the first beam 110 of the upper structure 100 is greater than the height of the box beam 300, and the box beam 300 may be compressed by the spacer blocks 400 between the box beam 300 and the first beam 110. During the translation process of the large box girder 300, only the lower structural body 200 of the device can be used for hoisting.

Referring to fig. 1 and 3, the first connection plate 130 includes two fixing plates 131 having the same shape, the fixing plates 131 are in a right-angled triangular plate-shaped structure, one right-angled side of each fixing plate 131 is horizontally disposed, the two fixing plates 131 are spaced apart from each other and fixedly connected to each other by a first connection pin 140, the first connection pin 140 is disposed at an acute angle of an upper portion of the fixing plate 131, the first connection pin 140 between the two fixing plates 131 is connected to one end of a second brace 160, the other end of the second brace 160 is provided with a fourth hole, and a wire rope can pass through the fourth hole to form a third hanging point. The upper portion of the second connecting plate 220 passes through the two fixing plates 131 and is fixedly connected by the second connecting pin 150, and the second connecting pin 150 is disposed at a right angle of the lower portion of the fixing plates 131. By arranging the fixing plate 131 in a right-angled triangular plate-shaped structure, the first connecting pin 140 can be aligned with the second connecting pin 150 because the adjacent legs of the fixing plate 131 are perpendicular to each other. The first beam 110 on the hypotenuse can press against the box beam 300 and lock the device during lifting.

To maximize the use of material, the third beam 210 may be a hollow beam.

Referring to fig. 2 and 3, the lower structural body 200 further includes a sleeve 230, one end of the sleeve 230 is disposed in the third beam 210 and fixed to the third beam 210 by a first fastening bolt 270, specifically, the third beam 210 is provided with a bolt hole 211 at an outer end thereof opposite to the second connecting plate 220, and the first fastening bolt 270 passes through the bolt hole 211 to fix the third beam 210 and the sleeve 230. By providing the sleeve 230, the balance of the lower structural body 200 can be adjusted.

Referring to fig. 2 and 3, a balancing weight 240 is fixed to the other end of the sleeve 230, and the balance of the lower structure 200 can be further adjusted by providing the balancing weight 240. The bottom of the balancing weight 240 may be welded to the sleeve 230. The balancing weight 240 may also be fixed to the sleeve 230 by a second fastening bolt 290, and when different box beams 300 are hoisted, different balancing weights 240 may be replaced.

Referring to fig. 2 and 3, the lower structure 200 further includes a first brace 260, a second hanging point 261 is disposed at the top of the first brace 260, a second hole 262 is disposed at the bottom of the first brace 260, a brace connector 250 extending upward is fixed to the outer end of the third beam 210 opposite to the second connection plate 220, the bottom of the brace connector 250 is welded to the third beam 210, the brace connector 250 is a plate-shaped structure having an H-shaped cross section, a plurality of third holes 251 are uniformly distributed in the brace connector 250 from top to bottom, and the second hole 262 of the first brace 260 and the third holes 251 in the brace connector 250 are fixedly connected by a third connection pin 280.

Specifically, the brace connecting member 250 includes a left side plate 252, a middle connecting plate 253 and a right side plate 254 which are integrally formed, a plurality of connecting rods 255 are uniformly distributed between the left side plate 252 and the right side plate 254 from top to bottom, a third hole 251 is formed between the two connecting rods 255, and the first brace 260 is clamped between the connecting rods 255 and the middle connecting plate 253, so that the first brace 260 can be vertically extended and retracted. In use, the lower structure 200 of the present apparatus can be passed under the box girder 300 and lifted by the first braces 260, because the distance between the third beam 210 of the lower structure 200 and the first beam 110 of the upper structure 100 is greater than the height of the box girder 300, and the height of the lower structure 200 of the present apparatus, at which the first braces 260 protrude from the box girder 300 during the lifting after sinking, can be finely adjusted by being engaged with other tools. In addition, since the first pulling strip 260 is too thin, if the length of the first pulling strip 260 is too long and is designed to be 90 degrees vertical to the third beam 210, the first pulling strip 260 is inevitably in collision with other objects and is twisted or even bent during transportation, the first pulling strip 260 is arranged between the connecting rod 255 and the intermediate connecting plate 253 and can be stretched up and down, the first pulling strip 260 can be pulled out during the connection process of the first pulling strip 260 and the steel wire rope, and after the first pulling strip 260 and the steel wire rope are fixed, the first pulling strip 260 can be contracted and the second hole 262 of the first pulling strip 260 and the third hole 251 on the pulling strip connecting piece 250 are fixedly connected through the third connecting pin 280, so that the first pulling strip 260 is prevented from being twisted or even bent during collision with other objects during transportation.

Referring to fig. 2 and 3, in order to increase the friction between the third cross member 210 and the box girder 300 and improve the anti-slip effect, a rubber pad 212 is provided on the upper surface of the third cross member 210.

To maximize the use of material, the first beam 110 and the second beam 120 are both hollow beams.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A modular hoist device which characterized in that: comprises an upper structural body and a lower structural body, wherein the upper structural body comprises a first cross beam, a second cross beam and two first connecting plates, the first connecting plate is of a right-angled triangle plate-shaped structure, the first cross beam is arranged below the second cross beam, two ends of the first cross beam are respectively fixed at one acute angle of the two first connecting plates, two ends of the second cross beam are respectively fixed at the other acute angle of the two first connecting plates, so that the first cross beam and the second cross beam are parallel, the first beam is provided with two first hoisting points, the lower structure body comprises two second connecting plates and a third beam, the second connecting plates are in rectangular plate-shaped structures, the upper parts of the two second connecting plates are respectively fixedly connected with the two first connecting plates, and the lower parts of the second connecting plates are provided with first holes, and the two ends of the third cross beam penetrate through the first holes in the two second connecting plates and are fixed with the second connecting plates.

2. The modular lifting device of claim 1, further comprising: the first connecting plate comprises two fixing plates with the same shape, the fixing plates are of right-angled triangle plate-shaped structures, the two fixing plates are arranged at a certain interval and fixedly connected through a first connecting pin, and the upper portion of the second connecting plate penetrates through the two fixing plates and is fixedly connected with the two fixing plates through a second connecting pin.

3. The modular lifting device of claim 1, further comprising: the third beam is a hollow beam.

4. A modular lifting device as claimed in claim 3, wherein: the lower structural body further comprises a sleeve, and one end of the sleeve is arranged in the third cross beam and is fixed with the third cross beam through a first fastening bolt.

5. The modular lifting device of claim 4, further comprising: and a balancing weight block is fixed at the other end of the sleeve.

6. The modular lifting device of claim 1, further comprising: the lower structure body further comprises a first brace, a second lifting point is arranged at the top of the first brace, a second hole is formed in the bottom of the first brace, a brace connecting piece which extends upwards is fixed to the outer end of the second connecting plate through a third cross beam, the cross section of the brace connecting piece is of an H-shaped plate structure, a plurality of third holes are uniformly distributed in the brace connecting piece from top to bottom, and the second hole of the first brace is fixedly connected with the third holes in the brace connecting piece through third connecting pins.

7. The modular lifting device of claim 6, further comprising: the brace connecting piece comprises a left side plate, a middle connecting plate and a right side plate which are integrally formed, a plurality of connecting rods are uniformly distributed between the left side plate and the right side plate from top to bottom, a third hole is formed between the two connecting rods, and the first brace is clamped between the connecting rods and the middle connecting plate, so that the first brace can stretch up and down.

8. A combined lifting device according to any one of claims 1-7, characterised in that: and a rubber cushion block is arranged on the upper surface of the third cross beam.

9. A combined lifting device according to any one of claims 1-7, characterised in that: the first cross beam and the second cross beam are both hollow beams.