Special hoisting equipment for limited space

Abstract

The utility model discloses special hoisting equipment for a limited space, and relates to the technical field of power plant warehouses and maintenance. The device comprises two main supporting frames, four first universal wheels with brakes, two small travelling crane rails, a small travelling crane, a manual travelling crane and a hand-drive block. The main supporting frame, the small travelling crane rail and the small travelling crane can be made of waste materials, the cost of supporting materials of the hoisting equipment is reduced, flexible cutting, welding and splicing can be achieved, meanwhile, each component is light in single weight, the components are connected through bolts, gaskets and nuts, and carrying, mounting and dismounting are convenient. The hoisting equipment is low in cost, meanwhile, power supply wiring is omitted, carrying is convenient, the hoisting equipment can move freely on the ground through the first universal wheel with the brake, the small travelling crane can move left and right on the small travelling crane track through the second universal wheel with the brake, and a heavy object can move up and down through hoisting of the chain hoist.

Description

Technical Field

[0001] The utility model relates to the technical field of power plant warehouses and maintenance, in particular to a special hoisting device for confined spaces. Background Art

[0002] In current hoisting operations, although there are many automated hoisting devices, in some small-scale or lightweight hoisting operations, these devices often appear too large and complex, inconvenient to operate and costly.

[0003] However, there are still some defects in the existing hoisting devices:

[0004] The existing hoisting and lifting devices mainly include rail-mounted overhead cranes, belt-wheel movable jib cranes, and movable small overhead cranes, but all of them require fixed rails or motor power cord wire laying, and the equipment occupies a large space, which is limited in application in finite element spaces. Summary of the Utility Model

[0005] In order to solve the above problems, the purpose of the present utility model is to provide a special device for hoisting in confined spaces.

[0006] To solve the above technical problems, the present utility model adopts the following technical scheme: a special hoisting device for confined spaces, the hoisting device is composed of two main support frames, four first brake universal wheels, two small overhead crane rails, a small overhead crane, a manual trolley and a manual hoist;

[0007] The four first brake universal wheels are assembled at the bottom ends of the two main support frames, the two small overhead crane rails are assembled at the top ends of the two main support frames, the small overhead crane is slidably arranged on the upper surface of the small overhead crane rails, and the manual hoist is slidably installed below the small overhead crane through the manual trolley.

[0008] Preferably, four support rods are assembled between the two main support frames and the two small overhead crane rails by bolts.

[0009] Preferably, C-shaped grooves are provided on both of the two small overhead crane rails, and second brake universal wheels are assembled at the four corners of the small overhead crane, and two of the second brake universal wheels are slidably installed in the C-shaped groove of one small overhead crane rail, and the other two second brake universal wheels are slidably installed in the C-shaped groove of the other small overhead crane rail.

[0010] Preferably, a manual trolley is installed on the I-beam of the small overhead crane, the running wheels of the manual trolley are stuck on the I-beam of the small overhead crane, and the running wheels of the manual trolley take the I-beam as the track.

[0011] Preferably, limit blocks are assembled at both ends of the C-shaped grooves of the two small overhead crane rails, and the limit blocks are welded to the C-shaped grooves with iron plates.

[0012] Preferably, the trolley track is made of C-shaped steel.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, the main support frame, the trolley track and the trolley can be made of waste materials, reducing the cost of the support materials for the hoisting equipment. They can be flexibly cut, welded and assembled. At the same time, the single weight of each component is light, and the components are connected by bolts, washers and nuts, which is convenient for handling, installation and disassembly; the material, structure and accessories can also be customized according to the load-bearing, and the selection can be flexible.

[0015] 2. In the present utility model, by adopting a manual hoist, compared with the existing technology that uses a mobile lifting motor, the cost of the hoisting equipment is low and it is convenient to carry.

[0016] 3. In the present utility model, by setting the first universal wheel with a brake, the first universal wheel with a brake can make the hoisting equipment move freely on the ground, and the trolley can move left and right on the trolley track through the second universal wheel with a brake. The heavy object can be lifted up and down by the manual hoist.

[0017] 4. In the present utility model, by setting the first universal wheel with a brake, it can move flexibly and can also brake at a fixed point, enhancing the displacement assistance function after lifting the heavy object.

[0018] 5. The hoisting equipment in the present utility model can be flexibly disassembled and assembled at narrow locations, and the hoisting height is within the range of manual operation, improving the flexibility of the hoisting equipment.

[0019] 6. The hoisting equipment in the present utility model can be used for the auxiliary fixed-point support during the disassembly and installation of objects such as motors, water pumps and valves during local maintenance, and the local relocation of heavy objects in a narrow warehouse. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a schematic diagram of the overall structure of the special hoisting equipment for limited space of the present utility model.

[0022] Figure 2 It is a schematic diagram of the connection structure between the electric hoist and the trolley of the present utility model.

[0023] In the figure: 1. Main support frame; 2. Support rod; 3. First brake universal wheel; 4. Trolley track; 41. C-shaped groove; 42. Limit block; 5. Trolley; 51. Second brake universal wheel; 6. Manual trolley; 7. Manual hoist. Detailed implementation method

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment: As Figure 1-2 shown, the present invention provides a special lifting device for limited space. The lifting device is composed of two main support frames 1, four first brake universal wheels 3, two trolley tracks 4, a trolley 5, a manual trolley 6 and a manual hoist 7;

[0026] Four first brake universal wheels 3 are assembled at the bottom ends of the two main support frames 1, two trolley tracks 4 are assembled at the top ends of the two main support frames 1, the trolley 5 is slidably arranged on the upper surface of the trolley track 4, the manual hoist 7 is slidably installed below the trolley 5 through the manual trolley 6, and the manual hoist 7 is connected to the trolley 5 through a hook on the manual trolley 6;

[0027] The trolley track 4 is made of C-shaped steel;

[0028] C-shaped grooves 41 are provided on both of the two trolley tracks 4. Second brake universal wheels 51 are assembled at the four corners of the trolley 5. Among them, two second brake universal wheels 51 are slidably installed in the C-shaped groove 41 of one trolley track 4, and the other two second brake universal wheels 51 are slidably installed in the C-shaped groove 41 of the other trolley track 4;

[0029] A manual trolley 6 is installed on the I-beam of the trolley 5. The running wheels of the manual trolley 6 are stuck on the I-beam of the trolley 5. The running wheels of the manual trolley 6 use the I-beam as a track, and the model of the manual trolley 6 is selected according to the size of the I-beam;

[0030] Limit blocks 42 are assembled at both ends of the C-shaped grooves 41 of the two trolley tracks 4. The limit blocks 42 are welded in the C-shaped grooves 41 with iron plates, and can also be fixed in the C-shaped grooves 41 with rubber blocks by bolts;

[0031] A manual trolley 6 is slidably installed in the middle of the trolley 5, and the manual trolley 6 is buckled in the card slot of the I-beam of the trolley 5;

[0032] Four support rods 2 are assembled between the two main support frames 1 and the two small trolley tracks 4 by bolts. While connecting and fastening the hoisting equipment, it can better disperse the stress of the small trolley track 4 and make the hoisting equipment more stable.

[0033] The main support frame 1 is made of 40X40X4 square tubes or larger-sized square tube components of idle and discarded Q235B material, forming a three-dimensional support framework for connecting the No. 1 brake universal wheels 3 and the small trolley track 4. It is the main vertical stress-bearing support component. Using the discarded square tubes as the main support frame 1 solves the problem of high cost of support materials for existing hoisting equipment and can be flexibly cut, welded and assembled;

[0034] Four No. 1 brake universal wheels 3 are arranged at the bottom end of the main support frame 1. The four No. 1 brake universal wheels 3 can rotate 360 degrees, enabling the hoisting equipment to move and turn flexibly, facilitating operation in a narrow space. The No. 1 brake universal wheels 3 can be stably positioned. The user locks the universal wheels of the No. 1 brake universal wheels 3 by stepping on the brake lever of the No. 1 brake universal wheels 3 to prevent the hoisting equipment from moving, providing stability and safety. The wheels of the No. 1 brake universal wheels 3 are made of high-tech polyurethane rubber strips injection-molded onto the polyolefin wheel core with mechanical lock catches, featuring high elasticity, high wear resistance and oil resistance, and are equipped with integral ball precision bearings, which can withstand large pressures and frequent use. The No. 1 brake universal wheels 3 solve the problem that fixed or track-mounted hoisting equipment cannot move or has limited moving space;

[0035] The manual trolley 6 is mainly used to connect the small trolley 5 and the manual hoist 7. By sliding the manual trolley 6, it can make the manual hoist 7 move back and forth within a small range in the vertical direction of the moving direction of the small trolley 5. Additionally, it can optimize the connection between the manual hoist 7 and the small trolley 5 and solve the problem of loose direct connection between the hanging point of the manual hoist 7 and the iron rod of the small trolley 5;

[0036] The raw materials of the small trolley 5 are selected as a square steel frame and iron rods as the support framework. At the same time, four No. 2 brake universal wheels 51 are welded at the bottom, enabling the small trolley 5 to move directionally on the small trolley track 4. Meanwhile, the characteristics of the No. 2 brake universal wheels 51 ensure sufficient clearance to ensure smooth operation of the small trolley 5, and then the function of fixed-point fixation is achieved through braking;

[0037] The small trolley track 4 is selected as two 80×8 C-shaped steels. The C-shaped groove 41 is cleverly used as the track for the No. 2 brake universal wheels 51. At the same time, two L-shaped steels are used to connect the two ends of the C-shaped steel. Four limit blocks 42 are welded at the ends of the C-shaped groove 41 to bear and decompose the force of the small trolley 5 onto the main support frame 1, and at the same time, the C-shaped groove 41 is closed to prevent the small trolley 5 from derailing;

[0038] Select a 1T manual hoist 7. The total weight of the manual hoist 7 is 10KG. The manual hoist 7 is light, portable, convenient for hanging and disassembly, solving the problems of heaviness and inconvenience brought by the existing electric hoisting equipment equipped with a lifting motor and a motor power cord.

[0039] By setting four support rods 2, the four support rods 2 are bolted to the main support frame 1 and the small trolley track 4, playing a role in fastening and supporting, and at the same time optimizing the force on the whole device.

[0040] Obviously, those skilled in the art can make various changes and modifications to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model is also intended to include these changes and modifications.

Claims

1. Special lifting equipment for limited space, characterized by: The hoisting equipment is composed of two main support frames (1), four No. 1 universal wheels with brakes (3), two small trolley tracks (4), a small trolley (5), a manual carriage (6) and a manual hoist (7); The four No. 1 universal wheels with brakes (3) are mounted on the bottom ends of the two main support frames (1), the two trolley tracks (4) are mounted on the top ends of the two main support frames (1), the trolley (5) is slidably arranged on the upper surface of the trolley tracks (4), and the manual hoist (7) is slidably installed below the trolley (5) through a manual carriage (6).

2. The limited space special lifting equipment according to claim 1, characterized in that: Four support rods (2) are assembled between the two main support frames (1) and the two small vehicle tracks (4) via bolts.

3. The limited space special hoisting equipment according to claim 1, characterized in that: The two trolley tracks (4) are both provided with C-shaped grooves (41), and the four corners of the trolley (5) are both equipped with second universal wheels with brakes (51), wherein two of the second universal wheels with brakes (51) are slidably mounted in the C-shaped grooves (41) of one trolley track (4), and the other two of the second universal wheels with brakes (51) are slidably mounted in the C-shaped grooves (41) of another trolley track (4).

4. The limited space special hoisting equipment according to claim 1, characterized in that: A manual sports car (6) is installed on the I-beam of the trolley (5), and the sports wheels of the manual sports car (6) are clamped on the I-beam of the trolley (5), and the sports wheels of the manual sports car (6) use the I-beam as a track.

5. The limited space special hoisting equipment according to claim 1, characterized in that: Both ends of the C-shaped grooves (41) of the two small vehicle tracks (4) are equipped with limiting blocks (42), and the limiting blocks (42) are welded in the C-shaped grooves (41) with iron plates.

6. The limited space special hoisting equipment according to claim 1, characterized in that: The trolley track (4) is made of C-shaped steel.

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