Double-beam crane test bed

Abstract

The utility model discloses a double-beam crane test bed, which comprises a bottom bearing support, a double-beam track and a trolley traveling mechanism, the bottom bearing support consists of an inclined upright post, an upper cross beam and a lower cross beam, the double-beam track comprises a girder, an end beam and a crane trolley traveling track, trolley stopping baffles are arranged at two ends of the double-beam track, and the trolley traveling mechanism is arranged on the trolley stopping baffles. The trolley walking mechanism comprises servo motors, a trolley main body, a sensor and a weighing plate, the trolley walking mechanism is driven by the two servo motors, and the sensor on the trolley main body is used for measuring the load borne by the crane; the device is simple and clear in structure, easy to manufacture, capable of saving a large amount of cost and convenient to install and use; according to the utility model, tests such as load test, strain stress monitoring, fatigue life evaluation and the like of the crane can be carried out more conveniently and accurately.

Description

Technical Field

[0001] The utility model belongs to the field of crane technology, and in particular relates to a double-beam crane test bench which is suitable for testing the double-beam crane. Background Art

[0002] Cranes can carry heavy objects within a certain range, and are increasingly used in production practice. At present, large cranes with large lifting tonnage, long span and high lifting height have been widely used in mining, metallurgy, petrochemical, railway transportation, port transportation, aerospace and other fields, and have become an important guarantee for the automation and efficiency of production processes in modern industry and transportation. In order to improve the comprehensive performance of cranes, ensure the safety of users, extend the service life of cranes, and improve economic benefits, it is necessary for researchers to test various indicators of cranes during work. Therefore, it is necessary to provide a crane test bench with simple structure, convenient installation and easy use. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and provide a double-beam crane test bench with simple and reasonable structure and convenient use.

[0004] The technical solution of the utility model is: a double-beam crane test bench, which mainly includes a bottom load-bearing bracket, a double-beam track and a trolley walking mechanism, the bottom load-bearing bracket is composed of an inclined column, an upper crossbeam and a lower crossbeam, the upper end of the inclined column is provided with a flange, the bottom load-bearing bracket is connected to the double-beam track at the upper end through the flange, the double-beam track is composed of a main beam, an end beam and a track, the lower end of the main beam is provided with a flange, both ends of the track are provided with stop baffles, the double-beam track can be traveled on by the track trolley walking mechanism, the trolley walking mechanism is driven by a servo motor, the trolley walking mechanism includes a servo motor, a main body frame, wheels and a rotating shaft, a sensor is provided at the upper end of the main body frame, and the upper end of the sensor is connected to the load-bearing plate.

[0005] The bottom load-bearing bracket is made of section steel.

[0006] The double-beam track is made of section steel and steel plates.

[0007] The bottom load-bearing bracket is connected to the double-beam track through a flange with high-strength bolts.

[0008] The sensor is a force sensor.

[0009] Compared with the prior art, the utility model has a simple structure, is easy to manufacture, has a low manufacturing cost, is light in weight, and is easy to move. The inclined column of the bottom load-bearing bracket is connected to the lower crossbeam, and the lower crossbeam has a flat structure, which increases the contact area with the ground and disperses the pressure of the ground. The bottom load-bearing bracket and the double-beam track are provided with flanges, which are connected by high-strength bolts through the flanges. The operation is simple, and the connection is firm and stable. A sensor is provided on the trolley walking mechanism, through which the load borne by the crane can be measured, which is convenient for carrying out relevant tests of the crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a structural schematic diagram of a double-beam crane test bench.

[0011] Figure 2 The utility model is a schematic diagram of the structure of a trolley traveling mechanism of a double-beam crane test bench.

[0012] In the figure: 1. load-bearing bracket, 2. double-beam track, 3. trolley walking mechanism, 4. trolley track, 5. stop baffle, 6. flange, 7. servo motor, 8. trolley frame, 9. sensor, 10. load-bearing plate. DETAILED DESCRIPTION

[0013] like Figure 1 , Figure 2 As shown, the utility model provides a double-beam crane test bench, including a bottom load-bearing support 1, a double-beam track 2 and a trolley walking mechanism 3, the bottom load-bearing support is composed of an inclined column, an upper crossbeam and a lower crossbeam, wherein a flange 6 is arranged at the upper end of the inclined column, the bottom load-bearing support 1 is connected to the double-beam track 2 at the upper end through the flange 6, the double-beam track 2 is composed of a main beam, an end beam and a trolley track 4, stop baffles 5 are arranged at both ends of the trolley track 4, wherein a flange 6 is arranged at the lower end of the main beam, and the trolley walking mechanism 3 is composed of a servo motor 7, a trolley frame 8, a sensor 9 and a load-bearing plate 10.

[0014] The oblique columns and the upper and lower cross beams of the bottom load-bearing bracket are all made of steel sections, with a simple structure and low manufacturing cost.

[0015] The main beam and the end beam of the double-beam track are made of section steel and steel plates.

[0016] The bottom load-bearing bracket is connected to the double-beam track through a flange with high-strength bolts, and the connection is simple, firm and stable.

[0017] The sensor is a force sensor.

[0018] The utility model adopts a simple structure, is easy to manufacture, has a low production cost, is light in weight, and is easy to move. The inclined column of the bottom load-bearing bracket is connected to the lower crossbeam, and the lower crossbeam structure is flat, which increases the contact area with the ground and disperses the pressure of the ground. The bottom load-bearing bracket and the double-beam track are provided with a flange, which is connected by high-strength bolts through the flange, which is simple to operate and has a firm and stable connection. A sensor is provided on the trolley walking mechanism, and the load borne by the crane can be measured by the sensor, which is convenient for carrying out relevant tests of the crane.

[0019] Obviously, the described embodiments are only some embodiments of the utility model, but not all embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

Claims

1. A double-beam crane test bench, which mainly includes a bottom load-bearing bracket, a double-beam track and a trolley travel mechanism, and is characterized by: The bottom load-bearing support is composed of an inclined column, an upper crossbeam and a lower crossbeam. The upper end of the inclined column is provided with a flange. The bottom load-bearing support is connected to the double-beam track at the upper end through the flange. The double-beam track is composed of a main beam, an end beam and a track. A flange is provided at the lower end of the main beam. Stop baffles are provided at both ends of the track. The double-beam track can be traveled on by a track trolley walking mechanism. The trolley walking mechanism is driven by a servo motor. The trolley walking mechanism includes a servo motor, a main frame, wheels and a rotating shaft. A sensor is provided at the upper end of the main frame, and the upper end of the sensor is connected to the load-bearing plate.

2. A double-beam crane test bench according to claim 1, characterized in that: The bottom load-bearing bracket is made of section steel.

3. A double-beam crane test bench according to claim 1, characterized in that: The double-beam track is made of section steel and steel plates.

4. A double-beam crane test bench according to claim 1, characterized in that: The bottom load-bearing bracket is connected to the double-beam track through a flange with high-strength bolts.

5. The double-beam crane test bench according to claim 1, characterized in that: The sensor is a force sensor.

Images