CN215711049U - Lifting device for back shovel in shaft - Google Patents

Abstract

The utility model discloses a lifting device for a back hoe in a shaft, which comprises a main lifting beam, wherein the upper surface of the main lifting beam is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a lifting hook, two sides of the lifting hook are fixedly connected with a back plate, two sides of the upper surface of the main lifting beam are fixedly connected with first shackles, the inner wall of each first shackle is provided with a first steel wire rope, two sides of the bottom of the main lifting beam are fixedly connected with second shackles, the inner wall of each second shackle is provided with a second steel wire rope, the two shackles penetrate through the lifting hook for fixation, one end of each steel wire rope respectively penetrates through the shackles, the other end of each steel wire rope is used as a main lifting point, two ends of the main lifting beam close to the lower part of a drill hole are arranged at the drill hole, each shackle is provided with one steel wire rope, one end of each steel wire rope is fixed on the shackle, the other end of each steel wire rope is used for being hung on a hook of a back hoe device, the lifting device in the shaft is simple to manufacture, convenient and fast when using, firm when handling equipment, safe and reliable.

Description

Lifting device for back shovel in shaft

Technical Field

The utility model relates to the technical field of shaft construction, in particular to a lifting device for a back hoe in a shaft.

Background

When a large-section shaft is excavated and constructed, slag in the shaft is usually removed or loaded by equipment such as a small-sized back shovel, the equipment such as the back shovel needs to be lowered into the shaft, a gantry crane or a derrick is usually adopted to be pulled and lifted by a winch, a lifting hook is directly hung at a lifting point at the center of an upper top cover of the back shovel during lifting, and the back shovel frequently rotates in the lifting process in the shaft due to the fact that the lifting point is a lifting point, so that a steel wire rope is knotted, the safety risk is high, and therefore the lifting device for the back shovel in the shaft is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting device for a back hoe in a shaft, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an overhead hoist for back hoe in shaft, includes main hanging beam, the last fixed surface of main hanging beam is connected with the connecting plate, the top fixedly connected with lifting hook of connecting plate, the both sides fixedly connected with backplate of lifting hook, the first break out of the last fixed surface both sides fixedly connected with of main hanging beam, first wire rope is installed to the inner wall of first break out, the bottom both sides fixedly connected with second of main hanging beam breaks out, second wire rope is installed to the inner wall that the second broken out.

Preferably, the main hanging beam is made of double I25I-shaped steel.

Preferably, the thickness of the hook is 10 mm.

Preferably, the first steel wire rope has a gauge diameter of 28 mm.

Preferably, the second steel wire rope has a gauge diameter of 20 mm.

Preferably, the first shackle and the second shackle are U-shaped.

Compared with the prior art, the utility model has the beneficial effects that: two U-shaped shackles penetrate through the lifting hooks to be fixed, one ends of two steel wire ropes penetrate through the shackles respectively, the other ends of the two steel wire ropes serve as main lifting points, two ends of a main lifting beam are drilled near the lower portion, two shackles are installed at the drilled positions at each end, one steel wire rope is installed on each shackle, one end of each steel wire rope is fixed on each shackle, the other end of each steel wire rope is used for being hung on a hook of the backhoe equipment, and the lifting device of the backhoe in the vertical shaft is simple to manufacture, convenient and fast to use, stable in lifting equipment, safe and reliable.

Drawings

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

FIG. 2 is a structural elevation view of the present invention;

FIG. 3 is a top view of the structure of the present invention;

FIG. 4 is a detailed view of the main suspension beam of FIG. 1;

FIG. 5 is a detailed view of the construction of the first steel cord of FIG. 1;

FIG. 6 is a top view of the construction of the connection plate of FIG. 1;

FIG. 7 is a side view of the structure of the back plate of FIG. 1;

FIG. 8 is a detail view of the construction of the first shackle of FIG. 1;

FIG. 9 is a side view of the first shackle of FIG. 1;

in the figure: 1. a main hoisting beam; 2. a connecting plate; 3. a hook; 4. a back plate; 5. a first shackle; 6. a first wire rope; 7. a second shackle; 8. a second wire rope.

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.

Referring to fig. 1-9, the utility model provides a lifting device for a back hoe in a shaft, comprising a main lifting beam 1, a connecting plate 2 fixedly connected to the upper surface of the main lifting beam 1, a lifting hook 3 fixedly connected to the top of the connecting plate 2, back plates 4 fixedly connected to both sides of the lifting hook 3, first shackles 5 fixedly connected to both sides of the upper surface of the main lifting beam 1, first steel wire ropes 6 mounted on the inner walls of the first shackles 5, second shackles 7 fixedly connected to both sides of the bottom of the main lifting beam 1, second steel wire ropes 8 mounted on the inner walls of the second shackles 7, the main lifting beam 1 is made of i-steel and welded into a whole, the connecting plate 2 is made of a steel plate with a thickness of 10mm and welded to the middle and both ends of the main lifting beam 1, the lifting hook 3 is made of a steel plate with a thickness of 10mm and welded to the connecting plate 2, the back plates 4 are made of a steel plate with a thickness of 10mm and welded to the connecting plate 2 and the lifting hook 3, first shackle 5 passes lifting hook 3 fixedly, first wire rope 6 and second wire rope 8 adopt the specification to be diameter 28 mm's wire rope, first shackle 5 is passed respectively to one end, the other end is as main hoisting point, lean on the lower part drilling at the both ends of main hanging beam 1, every end is at drilling department installation second shackle 7, install second wire rope 8 on every second shackle 7, second wire rope 8's one end is fixed at second shackle 7, the other end is used for hanging and is established on the couple of back hoe equipment, cooperation through overall structure, handling work can be carried out.

The main hanging beam 1 is made of double I25I-shaped steel, the main hanging beam 1 is welded into a whole through the double I25I-shaped steel, the I-shaped steel is economical section steel with better section mechanical property, the flange is wide, and the lateral rigidity is large. The bending resistance is strong, and compared with general shaped steel, with low costs, the precision is high, and residual stress is little, need not expensive welding material and welding seam and detects, practices thrift steel construction cost 30%.

The thickness of lifting hook 3 is 10mm, and lifting hook 3 is the preparation of 10mm steel sheet, and the structure preparation of steel sheet is simple and convenient, and construction cycle is short, has good assembly nature, and the material is even, and the operational reliability is high.

The first steel wire rope 6 has a specification diameter of 28mm, a steel wire rope with a diameter of 28mm, a strength level of 1570MPa, a minimum steel core breaking tension of 438KN and a hemp core breaking tension of 406 KN.

The second steel cord 8 has a gauge diameter of 20mm, a nominal diameter of 20mm, a strength rating of 1570KPa, a minimum breaking tension of 207KN, about 21.1 tons, and a minimum breaking tension of 279KN in case of a steel core 1960MPA strength rating.

The shape of first shackle 5 and second shackle 7 is the U type, sets up first shackle 5 and second shackle 7 into the U type, can be better be connected with wire rope, improves holistic handling efficiency.

The working principle is as follows: connecting plate 2 welds in the centre and both ends position of main hanging beam 1, with connecting plate 2 and 3 welded connection of lifting hook, it is fixed that first break out 5 passes lifting hook 3, first break out 5 is passed respectively to first wire rope 6 one end, the other end is as main hoisting point, lean on the lower part drilling at the both ends of main hanging beam 1, every end is at drilling department installation second break out 7, install second wire rope 8 on every second break out 7, second wire rope 8's one end is fixed at second break out 7, the other end is used for hanging to establish on the couple of back hoe equipment, cooperation through overall structure, handling work can be carried out.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a overhead hoist for back hoe in shaft which characterized in that: including main hanging beam (1), the last fixed surface of main hanging beam (1) is connected with connecting plate (2), the top fixedly connected with lifting hook (3) of connecting plate (2), both sides fixedly connected with backplate (4) of lifting hook (3), the first break-out (5) of last surface both sides fixedly connected with of main hanging beam (1), first wire rope (6) are installed to the inner wall of first break-out (5), the bottom both sides fixedly connected with second break-out (7) of main hanging beam (1), second wire rope (8) are installed to the inner wall of second break-out (7).

2. A hoist for a back hoe in a shaft as claimed in claim 1, wherein: the main hanging beam (1) is made of double I25I-shaped steel.

3. A hoist for a back hoe in a shaft as claimed in claim 1, wherein: the thickness of the lifting hook (3) is 10 mm.

4. A hoist for a back hoe in a shaft as claimed in claim 1, wherein: the first steel wire rope (6) is 28mm in specification diameter.

5. A hoist for a back hoe in a shaft as claimed in claim 1, wherein: the specification diameter of the second steel wire rope (8) is 20 mm.

6. A hoist for a back hoe in a shaft as claimed in claim 1, wherein: the first shackle (5) and the second shackle (7) are U-shaped.

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