Cantilever type tunneler whole machine test device

Abstract

The invention discloses a cantilever type tunneler whole machine test device, comprising a base (7), and a speed-increasing gearbox (5), a dynamometer (8), a torque and rotational speed sensor, and a control system (9). The output transmission shaft of the speed-increasing gearbox (5) is axially connected with the dynamometer. The input transmission shaft of the speed-increasing gearbox (5) is sleeved with a speed-increasing gearbox spline housing (4). The cutting mechanism (1) of the cantilever type tunneler is connected with the speed-increasing gearbox spline housing through a transition flange (2) and a universal coupling. The torque and rotational speed sensor is connected with the dynamometer, and transmits measured torque, rotational speed, and power signals to the control system. The device is simple in structure, and is reliable and practical. The device can be used for cantilever type tunneler whole machine tests and whole machine data analysis, and satisfies test requirements of cantilever type tunnelers in various models, so as to ensure accuracy of parameter measurement to manufacture high quality products. The device effectively reduces early stage failure rate of cantilever type tunnelers, reduces the number of service, and reduces service cost.

Description

technical field [0001] The invention relates to a test device for a cantilever tunnel boring machine, in particular to a test device for a complete machine of a cantilever tunnel boring machine, which belongs to the technical field of construction machinery. Background technique [0002] Cantilever tunnel boring machine is a new type of large-scale high-tech construction equipment that integrates machinery, electricity and hydraulics and is specially used for tunnel excavation. It is mainly used for large-section highway, railway and subway tunnel construction. Walk, adjust its cutting range by controlling the cantilever to swing up and down, left and right, and then use the cutting head to rotate and cut the rock and soil layer, and finally transport the cut rock and soil to the back of the machine by the shipping mechanism or other methods; the whole machine has a driving range It has the characteristics of large rock breaking capacity, free excavation section, low constru...

AI Technical Summary

Problems solved by technology

[0004] At present, after the cantilever tunnel boring machine is assembled and off-line, there are not enough detection methods to meet the needs of the main design technical parameters of the whole machine (maximum torque, speed, power of the cutting mechanism), resulting in a high early failure rate of the cantilever tunnel boring machine

At the same time, the working environment of the tunnel is harsh, and its cross-sectional size and lifting capacity are limited. If the cantilever tunnel boring machine breaks down in the tunnel, it will be extremely inconvenient to maintain, and the service frequency will be high, and the service fee will be high.

[0005] There are only three test methods for the existing cantilever tunnel boring machine. The first one is the test when the whole machine is running without load. Tests are carried out on the tunnel construction site to detect technical parameters, but all three methods have disadvantages, such as: 1. It is not only difficult to measure various technical parameters when no-load, but also difficult to find most early failures; 2. For cantilever tunnel boring machines When the cutting mechanism is subjected to a simulated load test alone, only the stability and technical parameters of the cutting reducer and cutting arm have been initially verified, and the performance and stability of the whole machine are still uncertain; 3. Human resources during the tunnel construction site test It takes a lot of time and labor intensity, and the test cost is high. At the same time, it is also restricted by the geological conditions of the tunnel. When the market demand increases, the test period of this method will not meet the needs of production.

Images