Metro driver manual driving precision and stability measuring device

Abstract

The utility model provides a device for measuring accuracy and stability of manual driving of a subway driver, which belongs to the technical field of rail transit vehicle measurement and comprises a measuring device, a measuring device and a measuring device for measuring accuracy and stability of manual driving of the subway driver, a bottom plate; the mounting holes are formed in the circumferential surface of the bottom plate; the mounting box is fixedly connected to the upper end of the bottom plate; the supporting plate is located at the upper end of the mounting box; rapid and stable installation is achieved through installation holes in the circumferential surface of the bottom plate, a precise moving mechanism in the installation box adopts a gear and rack transmission matched ratchet wheel and ratchet one-way locking structure, the fine adjustment precision of a laser projection reference is ensured, and the fixing mode that an elastic clamping piece is matched with a limiting plug pin guarantees rapid disassembly and assembly of a laser pen and improves the laser projection precision. Displacement in the measuring process is prevented through a double-locking mechanism, the overall structure is compact and reasonable, operation is easy and convenient, fine fluctuation in the operation process of a driver can be accurately reflected, and a reliable basis is provided for driving skill evaluation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit vehicle measurement technical field, concretely relates to a subway driver manual driving precision stability measuring device. BACKGROUND

[0002] The subway driver manual driving precision and stability measuring device is a device for evaluating the operation control ability of a subway driver in a manual driving mode. With the rapid development of urban rail transit, the standardization and refinement of subway driver driving skills are increasingly required. The device monitors and records key parameters in the driving process in real time, such as acceleration and deceleration stability, parking precision, etc., to provide objective basis for driver training and examination.

[0003] The authorized publication number "CN222188095U" records a subway driver manual driving precision stability measuring device, including the sucking disc subassembly, the sucking disc subassembly is fixed with the connecting rod, the connecting rod is provided with the laser pen and the installation box, and a plurality of long and short measuring rods are placed in the installation box; when measuring the precision and stability of the subway driver manual driving, the device is fixed on the subway floor through the sucking disc subassembly, the laser emitted by the laser pen is used to contrast the scale of the mark ruler to quantify the precision, and whether the vehicle operation is stable is judged by observing whether the measuring rod in the installation box is tilted; the utility model can ensure that the measurement standard is consistent each time, uses linear laser to measure the data, uses the measuring rod to judge the stability of manual driving, has the characteristics of simple structure, low cost, convenient disassembly and carrying, single person can operate during use, the operation difficulty is small, the measurement time is greatly shortened and the measurement complexity is reduced, and the measurement precision is improved.

[0004] In the prior art, the measuring device can adjust the angle, but the platform height in different regions is also different, and the commonly seen height is 900mm, 1050mm and 1100mm. If the height cannot be adjusted, the height of the platform cannot be matched, so the measuring equipment cannot be normally used, and the use effect is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a subway driver manual driving precision stability measuring device, and aims at solving the problems in the prior art that the measuring device can adjust the angle, but the platform height in different regions is also different, the commonly seen height is 900mm, 1050mm and 1100mm, the height cannot be adjusted, the height of the platform cannot be matched, so the measuring equipment cannot be normally used, and the use effect is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A subway driver manual driving precision and stability measuring device, comprising:

[0008] A base plate;

[0009] Mounting holes are arranged on the circumferential surface of the base plate;

[0010] A mounting box is fixedly connected to the upper end of the base plate;

[0011] A support plate is arranged at the upper end of the mounting box;

[0012] Two elastic clamping pieces are fixedly connected to the upper end of the support plate;

[0013] A cross line laser pen is arranged between the two elastic clamping pieces;

[0014] A moving mechanism comprises a ratchet wheel, a ratchet, an unlocking rod, a rotating rod, a rack and a gear, the rack is arranged in the mounting box, the rotating rod is rotatably connected to the mounting box and extends outward, the gear is fixedly connected to the circumferential surface of the rotating rod and is arranged in the mounting box, the rack and the gear are meshed with each other, the support plate is fixed to the upper end of the rack, the ratchet wheel is fixedly connected to the circumferential surface of the rotating rod, the ratchet is rotatably connected to one side of the ratchet wheel through a connecting shaft and is meshed with the ratchet wheel, and the unlocking rod is fixedly connected to the surface of the ratchet;

[0015] An adjusting mechanism is arranged at the upper end of the base plate, which adjusts the height of the level meter and facilitates measurement.

[0016] As a preferred scheme of the utility model, the adjusting mechanism comprises mounting buckles, a swing rod, adjusting bolts, a fixed block and a level meter mounting block, wherein the mounting buckles and the adjusting bolts are provided with two groups, one of the mounting buckles is fixedly connected to the upper end of the mounting buckle, the swing rod is rotatably connected to the mounting buckle, the adjusting bolt is threadedly connected to the mounting buckle, the other mounting buckle is arranged at the other end of the swing rod, the fixed block is fixedly connected to the upper end of the other mounting buckle, and the level meter mounting block is fixedly connected to the surface of the fixed block.

[0017] As a preferred scheme of the utility model, the upper end of the base plate is provided with a telescopic rod, the telescopic rod is fixedly connected with a fixed clamp at the elongated end, a roller is rotatably connected to the fixed clamp through a rotating shaft, and the surface of the roller is in contact with the lower end of the swing rod.

[0018] As a preferred scheme of the utility model, a concave chute is arranged at the upper end of the base plate, a convex block is slidably connected in the concave chute, a screw rod is rotatably connected in the base plate and extends into the concave chute, the convex block is threadedly connected to the circumferential surface of the screw rod through a nut, and the telescopic rod is fixed with the convex block.

[0019] As a preferred scheme of the utility model, the upper end of two elastic clamping pieces is fixedly connected with elastic fixing blocks, and a limiting bolt is arranged in the two elastic fixing blocks.

[0020] As a preferred scheme of the utility model, the circumferential surface of the rotating rod is fixedly connected with a rocker, and the material of the mounting box is stainless steel.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1. In the scheme, the mounting hole in the circumferential surface of the bottom plate realizes quick and stable installation, the precision moving mechanism in the mounting box adopts gear and rack transmission cooperating with ratchet and toothed wheel one-way locking structure, the adjustment precision of the laser projection reference is ensured, the fixing mode of the elastic clamping piece cooperating with the limiting bolt ensures the quick disassembly and assembly of the laser pen, the double locking mechanism prevents displacement in the measurement process, the overall structure is compact and reasonable, operation is simple, and the slight fluctuation of the driver during operation can be accurately reflected, thereby providing a reliable basis for driving skill evaluation.

[0023] 2. In the scheme, the adjusting mechanism adopts the design of double mounting buckles cooperating with the swing rod, three-dimensional accurate positioning of the level is realized through two groups of adjusting bolts, the telescopic rod supporting system cooperates with the roller contact structure to effectively absorb vibration, the stability of the measurement reference is maintained, the precise cooperation of the concave sliding groove and the screw transmission realizes stepless adjustment of the supporting system, and the mounting box made of stainless steel ensures the durability of the device. The device meets the installation requirements of different vehicle models, is quick to install and adjust, measurement data is accurate and reliable, and the efficiency and effect of metro driver driving skill training can be significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute limitations to the utility model. In the drawings:

[0025] Figure 1 It is the first perspective view of the utility model;

[0026] Figure 2 It is the second perspective view of the utility model; Figure 1 It is the enlarged view of A in the utility model;

[0027] Figure 3 It is the second perspective view of the utility model;

[0028] Figure 4 It is the enlarged view of B in the utility model; Figure 3

[0029] Figure 5 ​The utility model discloses a sectional view.

[0030] In the figure: 1, bottom plate, 2, mounting hole, 3, mounting buckle, 4, swing rod, 5, adjusting bolt, 6, telescopic rod, 7, fixed block, 8, level installation block, 9, installation box, 10, support plate, 11, cross line laser pen, 12, elastic clamping piece, 13, concave chute, 14, protruding block, 15, screw rod, 16, fixed clamp, 17, roller, 18, ratchet wheel, 19, ratchet, 20, unlocking rod, 21, rotating rod, 22, elastic fixed block, 23, limiting bolt, 24, rack, 25, gear. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0032] Embodiment 1

[0033] Please refer to Figures 1-5 The utility model provides the following technical scheme:

[0034] A subway driver manual driving precision and stability measuring device, comprising:

[0035] Bottom plate 1;

[0036] Mounting hole 2, mounting hole 2 is set up in the circumferential surface of bottom plate 1;

[0037] Installation box 9, installation box 9 is fixedly connected to the upper end of bottom plate 1;

[0038] Support plate 10, support plate 10 is located at the upper end of installation box 9;

[0039] Two elastic clamping pieces 12, two elastic clamping pieces 12 are all fixedly connected to the upper end of support plate 10;

[0040] Cross line laser pen 11, cross line laser pen 11 is located between two elastic clamping pieces 12;

[0041] The moving mechanism comprises a ratchet wheel 18, a ratchet tooth 19, an unlocking rod 20, a rotating rod 21, a rack 24 and a gear 25, the rack 24 is located in the mounting box 9, the rotating rod 21 is rotatably connected in the mounting box 9 and extends outward, the gear 25 is fixedly connected to the circumferential surface of the rotating rod 21, the gear 25 is located in the mounting box 9, the rack 24 and the gear 25 are meshed with each other, the support plate 10 is fixed with the upper end of the rack 24, the ratchet wheel 18 is fixedly connected to the circumferential surface of the rotating rod 21, the ratchet tooth 19 is rotatably connected to one side of the ratchet wheel 18 through a connecting shaft, and the ratchet tooth 19 is meshed with the ratchet wheel 18; the unlocking rod 20 is fixedly connected to the surface of the ratchet tooth 19.

[0042] The adjusting mechanism is arranged at the upper end of the bottom plate 1 and is used for adjusting the height of the level meter, so that the measurement is facilitated.

[0043] In the embodiment of the utility model, when the precision of manual driving of the subway driver needs to be measured, the operating personnel first fix the bottom plate 1 at the specified position of the driving platform through the mounting hole 2, and adjust the height of the level meter through the adjusting mechanism to adapt to different measurement scenes, at this time, the cross laser pen 11 is stably clamped on the support plate 10 by the elastic clamping piece 12, and the cross laser emitted thereby can be used as a reference line, two sets of elastic clamping pieces 12 are arranged in the device, when the laser projection position needs to be finely adjusted, the operating personnel can rotate the exposed end of the rotating rod 21 to drive the gear 25 to mesh with the rack 24 to move, due to the meshing effect of the ratchet wheel 18 and the ratchet tooth 19, the rotating rod 21 can only rotate in one direction, so that the support plate 10 drives the cross laser pen 11 to move upwards, if reverse adjustment is needed, the ratchet tooth 19 can be disengaged from the ratchet wheel 18 by pressing the unlocking rod 20, so that the rotating rod 21 can be reversed, when the train runs and vibrates or does not stop at the specified position, the rigidity connection between the mounting box 9 and the bottom plate 1 forms a buffering basis, and the elastic deformation of the elastic clamping piece 12 can absorb part of the high-frequency vibration, so that the projection stability of the cross laser pen 11 is ensured, the rigidity connection between the support plate 10 and the rack 24 ensures that the displacement transmission accuracy is not affected by vibration, when the subway driver operates the train, the driving stability can be evaluated in real time by observing the offset of the laser cross line on the target reference surface, the fine adjustment function provided by the moving mechanism allows the measurement reference to be adjusted according to different vehicle types, and the adjusting mechanism ensures that the level meter is always at the best observation height, so that the whole device realizes the quantifiable detection of the driving precision of the subway, and the height of the adjustable measurement equipment is adjusted, so that the device is suitable for different areas.

[0044] For details, please refer to Figures 1-5The adjusting mechanism comprises a mounting buckle 3, a swing rod 4, an adjusting bolt 5, a fixing block 7 and a level instrument mounting block 8, wherein the mounting buckle 3 and the adjusting bolt 5 are provided with two groups, one of the mounting buckles 3 is fixedly connected to the upper end of the mounting buckle 3, the swing rod 4 is rotationally connected in the mounting buckle 3, the adjusting bolt 5 is threadedly connected in the mounting buckle 3, the other mounting buckle 3 is located at the other end of the swing rod 4, the fixing block 7 is fixedly connected to the upper end of the other mounting buckle 3, and the level instrument mounting block 8 is fixedly connected to the surface of the fixing block 7.

[0045] In the embodiment, when the height of the level instrument needs to be adjusted to adapt to different measurement requirements, the adjusting bolt 5 can be loosened first, so that the swing rod 4 is freely rotated in the mounting buckle 3, the relative angle of the two groups of mounting buckles 3 is adjusted, the fixing block 7 and the level instrument mounting block 8 are driven to ascend and descend, and thus the observation height of the level instrument is changed. After the adjustment is completed, the adjusting bolt 5 is tightened to lock the position of the swing rod 4, so that the level instrument is stably fixed. The level instrument mounting block 8 is used for the installation of the level instrument and assists the installation.

[0046] For details, please refer to Figures 1-5 The upper end of the bottom plate 1 is provided with an extension rod 6, the extension rod 6 is fixedly connected with a fixing clamp 16 at the extension end, the fixing clamp 16 is rotationally connected with a roller 17 through a rotating shaft, and the surface of the roller 17 is in contact with the lower end of the swing rod 4.

[0047] In the embodiment, the extension rod 6 is in contact with the lower end of the swing rod 4 through the fixing clamp 16 and the roller 17, which provides auxiliary support, prevents the swing rod 4 from excessively deviating during the adjustment process, and buffers to keep the stable descent.

[0048] For details, please refer to Figures 1-5 The upper end of the bottom plate 1 is provided with a concave sliding groove 13, the concave sliding groove 13 is slidably connected with a protruding block 14, a lead screw 15 is rotationally connected in the bottom plate 1 and extends into the concave sliding groove 13, the protruding block 14 is threadedly connected with the circumferential surface of the lead screw 15 through a nut, and the extension rod 6 is fixed with the protruding block 14.

[0049] In the embodiment, the lead screw 15 can be rotated to make the protruding block 14 slide along the concave sliding groove 13, drive the extension rod 6 to move as a whole, and keep the roller 17 in contact with the swing rod 4 at all times, so that the support force is uniformly distributed during the adjustment process. The threaded transmission of the lead screw 15 provides accurate position control and avoids displacement of the extension rod 6 in a vibrating environment.

[0050] For details, please refer to Figures 1-5 The upper end of each of the two elastic clamping pieces 12 is fixedly connected with an elastic fixing block 22, and the two elastic fixing blocks 22 are provided with a limiting pin 23.

[0051] In the embodiment, the limiting bolt 23 is inserted into the elastic fixing block 22, so that the two elastic clamping pieces 12 are further tightened, the cross line laser pointer 11 is stably clamped, the elastic deformation of the elastic clamping piece 12 can absorb part of the vibration, and the limiting bolt 23 provides additional mechanical locking to prevent the laser pointer from deviating during the train operation.

[0052] For details, please refer to Figures 1-5 The circumferential surface of the rotating rod 21 is fixedly connected with a rocker, and the material of the mounting box 9 is stainless steel.

[0053] In the embodiment, personnel can hold the rocker on the rotating rod 21 to rotate, drive the gear 25 to mesh with the rack 24 to move the supporting plate 10 accurately, and the mounting box 9 made of stainless steel provides a stable supporting environment to avoid affecting the adjustment accuracy due to metal fatigue.

[0054] The working principle and use process of the utility model are as follows: the cross line laser pointer 11 is inserted between the elastic clamping pieces 12, the rocker on the rotating rod 21 is rotated, the gear 25 is driven to mesh with the rack 24, the supporting plate 10 is accurately moved, the ratchet wheel 18 and the ratchet 19 ensure one-way adjustment to prevent backtracking; if reverse adjustment is required, the unlocking rod 20 is pressed to release the locking, after the driver stops the car, the offset of the laser cross line of the cross line laser pointer 11 on the target reference surface is observed, if the laser line shakes or deviates too much, it indicates that the driving stability is insufficient, the operation mode needs to be adjusted, the quantitative measurement of the manual driving accuracy and stability of the subway driver is realized, the adjustment mechanism ensures adaptability, the moving mechanism provides accurate calibration, the elastic fixing structure guarantees stability, the whole system is easy to operate, and is suitable for different vehicle types and driving environments.

[0055] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement for part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for measuring precision and smoothness of manual driving of a subway driver, characterized in that, Include: The bottom plate (1); Mounting hole (2), the mounting hole (2) is opened in the circumferential surface of the bottom plate (1); Mounting box (9), the mounting box (9) is fixedly connected to the upper end of the bottom plate (1); Support plate (10), the support plate (10) is located at the upper end of the mounting box (9); Two elastic clamping pieces (12), two elastic clamping pieces (12) are fixedly connected to the upper end of the support plate (10); Cross laser laser pen (11), the cross laser laser pen (11) is located between the two elastic clamping pieces (12); The moving mechanism includes ratchet (18), ratchet (19), unlocking rod (20), rotating rod (21), rack (24) and gear (25), the rack (24) is located in the mounting box (9), the rotating rod (21) is rotatably connected in the mounting box (9) and extends outward, the gear (25) is fixedly connected to the circumferential surface of the rotating rod (21), the gear (25) is located in the mounting box (9), the rack (24) and the gear (25) are engaged with each other, the support plate (10) is fixed with the upper end of the rack (24), the ratchet (18) is fixedly connected to the circumferential surface of the rotating rod (21), the ratchet (19) is rotatably connected to one side of the ratchet (18) through the connecting shaft, the ratchet (19) and the ratchet (18) are engaged with each other, the unlocking rod (20) is fixedly connected to the surface of the ratchet (19); The adjusting mechanism is provided on the upper end of the bottom plate (1), the height of the level gauge is adjusted, and the measurement is facilitated.

2. The precision and smoothness measuring device for manual driving of subway driver according to claim 1, characterized in that: The adjusting mechanism includes mounting buckle (3), swing rod (4), adjusting bolt (5), fixed block (7) and level gauge mounting block (8), wherein the mounting buckle (3) and the adjusting bolt (5) are provided with two groups, one of the mounting buckle (3) is fixedly connected to the upper end of the mounting buckle (3), the swing rod (4) is rotatably connected in the mounting buckle (3), the adjusting bolt (5) is threadedly connected in the mounting buckle (3), the other mounting buckle (3) is located at the other end of the swing rod (4), the fixed block (7) is fixedly connected to the upper end of the other mounting buckle (3), and the level gauge mounting block (8) is fixedly connected to the surface of the fixed block (7).

3. The device for measuring precision and smoothness of manual driving of a subway driver according to claim 2, characterized in that: The upper end of the bottom plate (1) is provided with a telescopic rod (6), the elongated end of the telescopic rod (6) is fixedly connected with a fixed clamp (16), the fixed clamp (16) is rotatably connected with a roller (17) through a rotating shaft, and the surface of the roller (17) is in contact with the lower end of the swing rod (4).

4. The device for measuring precision and smoothness of manual driving of a subway driver according to claim 3, characterized in that: The upper end of the bottom plate (1) is provided with a concave chute (13), the concave chute (13) is slidably connected with a protrusion (14), and the bottom plate (1) is rotatably connected with a screw rod (15) and extends into the concave chute (13). The protrusion (14) is threadedly connected to the circumferential surface of the screw rod (15), and the telescopic rod (6) is fixed with the protrusion (14).

5. A device for measuring precision and smoothness of manual driving of a subway driver according to claim 4, characterized in that: The upper end of the two elastic clamping pieces (12) is fixedly connected with an elastic fixed block (22), and the two elastic fixed blocks (22) are provided with a limiting bolt (23).

6. A device for measuring precision and smoothness of manual driving of a subway driver according to claim 5, wherein: The circumference surface of the rotating rod (21) is fixedly connected with a rocker, and the material of the mounting box (9) is stainless steel.

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