Metro driver manual driving precision and stability measuring device

Abstract

The utility model discloses a subway driver manual driving precision and stability measuring device, which comprises a sucker assembly, a connecting rod is fixed on the sucker assembly, a laser pen and a mounting box are arranged on the connecting rod, and a plurality of measuring rods with different lengths are placed in the mounting box; when the manual driving accuracy and stability of a metro driver are measured, the device is fixed on a metro floor through the suction cup group, laser emitted by the laser pen is used for contrasting the scale of the benchmarking ruler and quantifying the accuracy, and whether a vehicle runs stably or not is judged by observing whether the measuring rod in the mounting box topples over or not; according to the utility model, the standard consistency of each measurement can be ensured, line laser is utilized to measure meter data, the measuring rod is utilized to determine the stability of manual driving, the structure is simple, the cost is low, the dismounting and the carrying are convenient, the operation can be carried out by a single person during use, the operation difficulty is small, the measurement time is greatly shortened, the measurement complexity is reduced, and the measurement efficiency is improved. And meanwhile, the measurement precision is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit vehicle measurement, in particular to a device for measuring the accuracy and stability of manual driving of a subway driver. Background Art

[0002] In order to ensure driving safety, urban rail transit train drivers need to conduct benchmark parking training or testing. Manual driving is an essential professional skill for urban rail transit train drivers, and both benchmark accuracy and driving stability are indispensable. How to measure the accuracy of benchmark parking is a key issue to improve measurement accuracy and training effect.

[0003] At present, the accuracy of the targeted parking is usually measured by observation. Urban rail transit train drivers conduct targeted parking training or testing on a special test line. There is a parking mark pole next to the special test line. The driver's cab of the rail transit vehicle is equipped with a targeted parking reference line. The rail transit vehicle travels back and forth on the test line. After each targeted parking, the driver's cab side door is opened to check the error between the parking mark and the targeted parking reference line by observation to determine whether the parking position of the train is accurate.

[0004] However, manual judgment lacks accuracy and fairness, and has large errors. It also cannot generate quantitative data and cannot provide the necessary data support for benchmark parking tests or training. Summary of the invention

[0005] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the utility model is to provide a subway driver's manual driving accuracy and smoothness measuring device, including a suction cup assembly, on which is fixed a connecting rod with a laser pen and a mounting box, and a plurality of measuring rods of different lengths are placed in the mounting box. The utility model has a simple structure and is easy to operate, and can provide quantitative data support for vehicle running stability and parking accuracy.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A device for measuring the manual driving accuracy and smoothness of a subway driver comprises a suction cup assembly 3, a connecting rod 5 is fixed on the suction cup assembly 3, a laser pen 9 and a mounting box 12 are arranged on the connecting rod 5, and a plurality of measuring rods 11 of different lengths are placed in the mounting box 12.

[0008] The laser pen 9 is fixed on the connecting rod 5 via a first cardan shaft 71 .

[0009] The universal ball head end of the first universal shaft 71 is provided with a fixing ring 6 for fixing the laser pen 9, the base end of the first universal shaft 71 is fixed on the connecting rod 5, and the base end of the first universal shaft 71 is provided with a first adjusting knob 81 for locking the universal ball head.

[0010] The laser pen 9 is preferably a cross-line laser pen.

[0011] The installation box 12 is fixed to the connecting rod 5 via a second cardan shaft 72 .

[0012] The universal ball head end of the second universal shaft 72 is fixedly connected to the bottom surface of the installation box 12, the base end of the second universal shaft 72 is fixed on the connecting rod 5, and the base end of the second universal shaft 72 is provided with a second adjusting knob 82 for locking the universal ball head.

[0013] The two adjacent sides of the installation box 12 are respectively provided with a first level 101 and a second level 102. The installation box 12 is provided with a plurality of partitions for placing the measuring rod 11. Each partition is an inverted trapezoidal structure with a narrow bottom surface that fits with the end surface of the measuring rod 11 and a wide top opening.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model adopts a suction cup assembly 3, and uses the negative pressure principle of the suction cup to fix the entire device, which is convenient for installation and disassembly.

[0016] 2. The utility model adopts the first cardan shaft 71 and the second cardan shaft 72 to connect the laser pen 9 and the installation box 12, which is convenient for adjusting the angle of the laser pen 9 and the installation box 12, has the effect of flexible installation and reduced installation restrictions.

[0017] 3. The first level 101 and the second level 102 are arranged on two adjacent sides of the installation box 12 of the utility model, which facilitates the adjustment of the installation box 12 to keep it level, and the internal structure of the installation box 12 is an inverted trapezoid that is narrow at the bottom and wide at the top, which is conducive to the tipping of the measuring rod 11 and has the effect of facilitating operation.

[0018] 4. The utility model adopts the laser pen 9 and the measuring rod 11 to quantitatively evaluate the accuracy and stability of the manually operated vehicle, thereby improving fairness and operability.

[0019] In summary, the utility model has a simple structure, flexible and convenient operation, and strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of the device of the utility model.

[0021] Figure 2 It is a cross-sectional view of the installation box 12 of the present invention.

[0022] Figure 3 It is a top view of the installation box 12 of the utility model.

[0023] Figure 4 It is an application principle diagram of a specific implementation method of the utility model.

[0024] Figure 5 This is an application scenario diagram of a specific implementation method of the utility model.

[0025] Figure 6 This is a diagram of the posting scene of the marking ruler 1 in a specific implementation manner of the utility model.

[0026] In the figure, 1. alignment ruler; 3. suction cup assembly; 4. suction cup buckle; 5. connecting rod; 6. fixing ring; 71. first cardan shaft; 72. second cardan shaft; 81. first adjusting knob; 82. second adjusting knob; 9. laser pen; 101. first level; 102. second level; 11. measuring rod; 12. installation box. DETAILED DESCRIPTION

[0027] The structural principle and working principle of the utility model are described in detail below with reference to the accompanying drawings.

[0028] See also Figure 1 , Figure 2 , Figure 3 A device for measuring the manual driving accuracy and smoothness of a subway driver comprises a suction cup assembly 3, a suction cup buckle 4 is arranged on the suction cup assembly 3, one end of a connecting rod 5 is fixed to one side of the suction cup assembly 3, the connecting rod 5 is connected to a cross-line laser pen 9 through a first cardan shaft 71, the connecting rod 5 is connected to an installation box 12 through a second cardan shaft 72, three partitions with an inverted structure are arranged in the installation box 12, a measuring rod 11 is placed in each partition, and each measuring rod 11 has a different length, and two adjacent sides of the installation box 12 are respectively provided with a first level 101 and a second level 102.

[0029] See also Figure 1 The first cardan shaft 71 includes a base, a cardan ball head is arranged on the base, a fixing ring 6 for fixing the cross-line laser pen 9 is arranged on the cardan ball head, the base of the first cardan shaft 71 is fixed on the connecting rod 5, and a first adjusting knob 81 for locking the cardan ball head is arranged in the base of the first cardan shaft 71.

[0030] See also Figure 1 The second cardan shaft 72 includes a base, on which a cardan ball head is arranged, which is fixedly connected to the bottom surface of the mounting box 12, the base of the second cardan shaft 72 is fixed on the connecting rod 5, and a second adjusting knob 82 for locking the cardan ball head is arranged in the base of the second cardan shaft 72.

[0031] The working principle of the utility model is:

[0032] See also Figure 4 , Figure 5 , Figure 6 , press the suction cup assembly 3 on the floor of the subway, and fix the utility model on the floor of the subway by pressing the suction cup buckle 4, fix the cross-line laser pen 9 on the fixing ring 6, adjust the first universal shaft 71 so that one line of the cross-line laser emitted by the cross-line laser pen 9 is perpendicular to the ground, and then rotate the first adjusting knob 81 to lock the first universal shaft 71; adjust the second universal shaft 72, observe the first level 101 and the second level 102 at the same time, so that the installation box 12 is kept in a horizontal state, and then rotate the second adjusting knob 81 to lock the first universal shaft 71; Button 82 locks the second cardan shaft 72, and finally, three measuring rods 11 of different lengths are respectively placed in different partitions of the installation box 12; a benchmark ruler 1 is posted on the wall of the test site, and after the vehicle stops steadily, the cross-line laser emitted by the cross-line laser pen 9 is irradiated on the scale of the corresponding benchmark ruler 1, and the parking accuracy is quantified by the scale reading, and it is observed whether the measuring rod 11 falls over. If the measuring rod 11 does not fall over, it means that the subway is running smoothly. If the measuring rod 11 falls over, it proves that the subway is running unsteadily, and the longer the measuring rod 11 is, the higher the difficulty.

Claims

1. A device for measuring the manual driving accuracy and smoothness of a subway driver, comprising a suction cup assembly (3), a connecting rod (5) being fixed on the suction cup assembly (3), characterized in that: A laser pen (9) and a mounting box (12) are arranged on the connecting rod (5), and a plurality of measuring rods (11) of different lengths are placed in the mounting box (12); The two adjacent sides of the installation box (12) are respectively provided with a first level (101) and a second level (102), and a plurality of partitions for placing the measuring rod (11) are provided inside the installation box (12), each partition being an inverted trapezoidal structure with a narrow bottom surface that fits with the end surface of the measuring rod (11) and a wide top opening.

2. A subway driver manual driving accuracy and smoothness measuring device according to claim 1, characterized in that: The laser pen (9) is fixed on the connecting rod (5) via a first universal shaft (71).

3. A subway driver manual driving accuracy and smoothness measuring device according to claim 2, characterized in that: A fixing ring (6) for fixing a laser pen (9) is arranged at the universal ball head end of the first universal shaft (71), a base end of the first universal shaft (71) is fixed on a connecting rod (5), and a first adjusting knob (81) for locking the universal ball head is arranged at the base end of the first universal shaft (71).

4. A subway driver manual driving accuracy and smoothness measuring device according to claim 1, 2 or 3, characterized in that: The laser pen (9) comprises a cross-line laser pen.

5. The device for measuring the manual driving accuracy and smoothness of a subway driver according to claim 1, characterized in that: The installation box (12) is fixed on the connecting rod (5) via a second universal shaft (72).

6. The device for measuring the manual driving accuracy and smoothness of a subway driver according to claim 5, characterized in that: The universal ball head end of the second universal shaft (72) is fixedly connected to the bottom surface of the installation box (12), the base end of the second universal shaft (72) is fixed on the connecting rod (5), and the base end of the second universal shaft (72) is provided with a second adjustment knob (82) for locking the universal ball head.

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