CN102323100A - Integrated trolley type electric hoist test stand - Google Patents

Abstract

The invention relates to an integrated trolley-type electric hoist test bench, which comprises two parallel end beams fixed on a column, each end beam is fixed with a slide rail, and two slide rails are movably erected with There are two main beams, each of which is fixed with a longitudinal track, and a main beam moving device is arranged between the two main beams. The invention arranges tracks of different specifications on two main girders, and changes the gauge of the tracks through the main girder moving device, and can be used for the test of integrated trolley-type electric hoists with different lifting weights and gauges. The invention has a simple, compact and reasonable structure, can cover most types of integrated trolley-type electric hoists, and improves the use efficiency of the test bench.

Description

Integrated trolley type electric hoist test bench

technical field

The invention relates to a test device for an electric hoist, in particular to an integrated trolley-type electric hoist test bench.

Background technique

The hoisting machinery with the electric hoist as the lifting mechanism is widely used in papermaking, steel, port, automobile, general manufacturing, electric power, mining and other fields. As a key part of hoisting machinery products, the electric hoist is an important link in the process of electric hoist research and development and factory inspection for the comprehensive test and evaluation of the performance and life of the electric hoist. According to the classification of installation type, electric hoists are generally divided into single beam suspension type and double beam trolley type. With the country's emphasis on energy saving and consumption reduction of special equipment and the promulgation of corresponding regulations, integrated trolley-type electric hoists with the advantages of compact structure, light weight, small size, simple operation, and strong applicability are becoming more and more popular. In recent years, with the rapid development of electric hoist technology, integrated trolley electric hoist cranes tend to replace small and medium-sized cranes below 50 tons.

The current electric hoist test bench is generally only for the suspension electric hoist, and there is no system platform for the overall performance test of the integrated trolley electric hoist.

Contents of the invention

The present invention aims at the deficiencies of the above-mentioned prior art, and provides an integrated trolley-type electric hoist test bench, which can meet the inspection requirements of various integrated trolley-type electric hoists with different gauges, different tonnages, and different structural types.

According to the technical solution provided by the present invention, an integrated trolley-type electric hoist test bench includes two parallel end beams fixed on the column, each end beam is fixed with a slide rail, and the two slide rails are Two main beams are movably erected, each of the main beams is fixed with a longitudinal track, and a main beam moving device is arranged between the two main beams.

Both ends of the slide rail are provided with stoppers.

There are two tracks fixed on each main beam, one light rail and one heavy rail, and the set of light rails is located between the set of heavy rails.

The bottom of each main girder is fixed with a longitudinal I-shaped steel track.

There are two sets of the main beam moving device, which are respectively arranged on the two end beams, and each set of the main beam moving device includes a hydraulic cylinder support fixed on one of the end beams, and the hydraulic cylinder supports Two hydraulic cylinders are fixed opposite to each other on the seat, and the piston rod of each hydraulic cylinder is respectively fixed on one of the main beams on the corresponding side.

Each of the end beams is provided with an operation platform, and one of the operation platforms is connected to the ground through stairs.

A hydraulic station connected with the hydraulic cylinder is fixed on the operating platform.

A counterweight pit is arranged on the ground between the columns, and a counterweight weight is arranged in the counterweight pit.

Compared with the prior art, the present invention has the following advantages: the present invention arranges rails of different specifications on the two main girders, and changes the gauge of the rails through the girder moving device, which can be used for the integration of different lifting weights and gauges The test of trolley-type electric hoist; the I-steel track is arranged at the bottom of the main beam, which can also be used for the test of suspension-type electric hoist; the structure of the invention is simple, compact and reasonable, and can cover most types of integrated trolley-type electric hoist , improve the efficiency of the test bench.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a left side view of Fig. 1 .

Detailed ways

The present invention will be further described below in conjunction with the embodiments in the accompanying drawings.

In Figure 1 and Figure 2, including foundation 1, column 2, end beam 3, main beam 4, hydraulic cylinder 5, light rail 6, hydraulic cylinder support 7, heavy rail 8, slide rail 9, stopper 10, I-beam Track 11, counterweight pit 12, counterweight weight 13, operating platform 14, stairs 15, etc.

As shown in Figure 1 and Figure 2, the present invention is an integrated trolley-type electric hoist test bench, which mainly includes a column 2, an end beam 3 and a main beam 4, and the column 2, end beam 3 and main beam 4 are all box-shaped girders structure.

There are four columns 2, arranged at the four corners of the rectangular test area and fixed with the foundation 1. A counterweight pit 12 is arranged on the ground between the columns 2 , and a counterweight weight 13 is arranged in the counterweight pit 12 .

An end beam 3 is respectively fixed on two vertical columns 2 at each end of the longitudinal two ends of the rectangular test area, and there are two end beams 3 in total, which are arranged in parallel. Slide rails 9 are fixed on each end beam 3 , and two main beams 4 are movably set up on the two slide rails 9 , and the main beams 4 can move along the slide rails 9 . Both ends of the slide rail 9 are provided with stoppers 10 to ensure that the main girder 4 does not slip off from the slide rail 9 . Each end beam 3 is also provided with an operating platform 14, and an operating corridor is arranged on the main beam 4. Two operating platforms 14 communicate with each other through the corridor, and one of the operating platforms 14 is connected to the ground by stairs 15, which is convenient for staff to overhaul.

A main beam moving device is arranged between the two main beams 4, and the main beam moving device adopts a hydraulic system, and there are two sets, which are arranged on the two end beams 3 respectively. Each set of main beam moving device includes a hydraulic cylinder support 7 fixed on one of the end beams 3, and two hydraulic cylinders 5 are fixed oppositely on the hydraulic cylinder support 7, and the piston rods of each hydraulic cylinder 5 are respectively fixed on the on a main beam 4 on the corresponding side. The hydraulic station connected with the hydraulic cylinder 5 is fixed on the operating platform 14 .

The upper cover plate of each main girder 4 is fixed with a longitudinal track, and there are two fixed tracks on each main girder 4, which are tracks of different specifications, which are respectively a light rail 6 and a heavy rail 8, and a A group of light rails 6 is located between a group of heavy rails 8 . The bottom of each main girder 4 is fixed with a longitudinal I-shaped steel track 11 .

The present invention pushes the main beam 4 to move on the slide rail 9 through the main beam moving device, changes the distance between two main beams 4, thereby changing the gauge between each group of tracks; at the same time locks the main beam 4 through the hydraulic system, Keep the gauge between the two girders 4. The test bench provided by the present invention can adjust the gauge and select different counterweights according to integrated trolley-type electric hoists of different specifications and test requirements, and is used for testing the lifting capacity, lifting speed, running speed, and braking of integrated trolley-type electric hoists. Sliding amount, no-load, dynamic load, static load, steady state when climbing, etc.

The present invention arranges tracks of different specifications on the two main beams, and changes the gauge of the tracks through the main beam moving device, which can be used for the test of integrated trolley-type electric hoists with different lifting weights and gauges; at the bottom of the main beam Equipped with I-shaped steel rails, it can also be used for the test of suspended electric hoists; the invention has a simple, compact and reasonable structure, can cover most types of integrated trolley electric hoists, and improves the use efficiency of the test bench.

Claims (8)

1. integrated trolley type electric block testing table; Comprise the two parallel end carriages (3) that are fixed on the column (2); It is characterized in that: be fixed with slide rail (9) on the every said end carriage (3); Set up two girders (4) on two said slide rails (9) movably, be fixed with track longitudinally on the every said girder (4), be provided with the girder mobile device between two said girders (4).

2. according to the described integrated trolley type electric block testing table of claim 1, it is characterized in that: the two ends of said slide rail (9) are provided with block (10).

3. according to the described integrated trolley type electric block testing table of claim 1; It is characterized in that: every said girder (4) is gone up fixing said track has two; Be respectively a light rail (6) and a heavy rail (8), said one group of light rail (6) is positioned between said one group of heavy rail (8).

4. according to the described integrated trolley type electric block testing table of claim 1, it is characterized in that: the bottom of every said girder (4) is fixed with i-beam track (11) longitudinally.

5. according to the described integrated trolley type electric block testing table of claim 1; It is characterized in that: said girder mobile device has two covers; Be separately positioned on two said end carriages (3); The said girder mobile device of every cover comprises the hydraulic cylinder bearing (7) that is fixed on the said end carriage (3), and said hydraulic cylinder bearing (7) is gone up mutually and is fixed with two hydraulic cylinders (5) privately, and the piston rod of each said hydraulic cylinder (5) is separately fixed on the said girder (4) of side.

6. according to the described integrated trolley type electric block testing table of claim 1, it is characterized in that: every said end carriage (3) is provided with operating platform (14), and one of them said operating platform (14) links to each other with ground through stair (15).

7. according to the described integrated trolley type electric block testing table of claim 6, it is characterized in that: be fixed with the Hydraulic Station that links to each other with said hydraulic cylinder (5) on the said operating platform (14).

8. according to the described integrated trolley type electric block testing table of claim 1, it is characterized in that: the ground between the said column (2) is provided with counterweight melt pit (12), is provided with counterweight counterweight (13) in the said counterweight melt pit (12).

Images