Railway line distance laser measuring device

Abstract

The utility model discloses a railway line distance laser measuring device. The railway line distance laser measuring device comprises a groove-shaped base and an adjusting mechanism. A supporting vertical rod is arranged in the middle of the upper end of the groove-shaped base, a lifting seat is slidably connected into a connecting groove formed in the upper end of the supporting vertical rod, a fixing plate is arranged at the upper end of the lifting seat, a mounting frame is arranged in the middle of the upper end of the fixing plate, and a mounting rod is rotationally connected to the upper side in the mounting frame through a bearing; a laser range finder is arranged in the middle of the outer cambered surface of the mounting rod; the adjusting mechanism comprises a partition plate, an internal thread cylinder, a screw rod and a connecting plate, the partition plate is arranged on the lower side of the interior of the supporting vertical rod, the railway line distance laser measuring device solves the problem that the measuring progress is affected due to the fact that railway ballasts shield laser beams, the operation safety risk is zero, meanwhile, the measuring precision is improved, and the measuring efficiency is improved. Meanwhile, after the position of the laser range finder is adjusted, the laser range finder can be self-locked through a lead screw structure, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring equipment, in particular to a laser measuring device for railway line spacing. Background Technique

[0002] The railway line spacing is the distance between the center lines of two adjacent railway lines. It not only affects the train running speed and transportation capacity, but also is closely related to the running safety. The size of the railway line spacing directly affects the sight range and reaction time of train drivers, thus affecting the running safety of trains. In order to ensure the stability and safety of train running, it is often necessary to regularly measure the railway line spacing;

[0003] Currently, in the process of measuring the railway line spacing, usually, staff use a 5m steel tape measure and a 30m steel tape measure as tools, and then carry out the measurement work by pulling the tape measure;

[0004] Currently, when carrying out the work of measuring the railway line spacing, although the measurement work can be carried out by pulling the tape measure, since there are often trains on one of the two railway lines, there are great safety risks in using the method of pulling the tape measure. Moreover, there are ballast shoulders between the two lines, so the tape measure will be bent and the measurement data will be inaccurate. Some staff will also use a laser rangefinder to measure the oblique distance between the measurement point and the reflection point, and finally the track line spacing obtained by the staff through calculation can be obtained. However, since the position of the laser rangefinder is mostly fixed, during the measurement process, the presence of ballast between the two railway lines will block the laser beam, thus affecting the measurement progress. Some laser measuring devices for railway line spacing adjust the fixation of the laser rangefinder through adjusting devices. Although the problem of affecting the measurement progress due to the ballast blocking the laser beam is solved, after the position of the laser rangefinder is adjusted by the adjusting device, an additional self-locking unit often needs to be added to lock and fix the laser rangefinder, thus affecting the measurement efficiency. For this reason, we propose a laser measuring device for railway line spacing. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a laser measuring device for railway line spacing. Through the cooperation setting of the internal thread cylinder and the screw rod, the height of the laser measuring device for railway line spacing can be adjusted according to the actual situation, solving the problem of affecting the measurement progress due to the ballast blocking the laser beam. During the measurement process, the personnel do not need to move, the operation safety risk is zero, and the measurement accuracy is increased at the same time. At the same time, after the position of the laser rangefinder is adjusted, it can also be self-locked by the screw rod structure, and the operation is relatively convenient, which can effectively solve the problems in the background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A laser measuring device for railway line spacing, comprising a trough-shaped base and an adjusting mechanism;

[0007] Trough-shaped base: A support vertical rod is arranged in the middle of the upper end thereof. A lifting seat is slidably connected in a connection groove provided at the upper end of the support vertical rod. A fixing plate is arranged at the upper end of the lifting seat. An installation frame is arranged in the middle of the upper end of the fixing plate. The upper side inside the installation frame is rotatably connected with an installation rod through a bearing. A laser rangefinder is arranged in the middle of the outer arc surface of the installation rod;

[0008] Adjusting mechanism: It includes a partition plate, an internally threaded cylinder, a screw rod and a connecting plate. The partition plate is arranged at the lower side inside the support vertical rod. The middle of the upper end of the partition plate is rotatably connected with an internally threaded cylinder through a bearing. The internally threaded cylinder is internally threaded with a screw rod. The upper end of the screw rod is provided with a connecting plate. The upper end of the connecting plate is fixedly connected with the lower end of the lifting seat;

[0009] Among them: It further includes a single-chip microcomputer. The single-chip microcomputer is arranged at the right end of the support vertical rod. The input end of the single-chip microcomputer is electrically connected to an external power supply. The input end of the laser rangefinder is electrically connected to the output end of the single-chip microcomputer. Through the cooperation of the internally threaded cylinder and the screw rod, the height of the laser measuring device for railway line spacing can be adjusted according to the actual situation, solving the problem that the measurement progress is affected by the ballast blocking the laser beam. During the measurement process, there is no need for personnel to move, the operation safety risk is zero, and the measurement accuracy is increased at the same time. After adjusting the position of the laser rangefinder, it can also be locked by a lead screw structure, and the operation is relatively convenient.

[0010] Further, the adjusting mechanism further includes a knob and an installation groove. The installation grooves are respectively arranged at the lower sides of the front and rear ends of the support vertical rod. The knob is arranged on the upper side of the outer arc surface of the internally threaded cylinder. The knob is located between the two installation grooves, and the position of the screw rod can be adjusted through the internally threaded cylinder.

[0011] Further, it further includes an adjusting wheel. The adjusting wheel is arranged at the left end of the installation rod, and the laser rangefinder can be driven to rotate through the installation rod.

[0012] Further, it further includes a corner scale and a pointer. The pointer is arranged on the right side of the outer arc surface of the installation rod. The corner scale is arranged at the right end of the installation frame. The pointer is located on the right side of the corner scale, which is convenient for observing the rotation angle of the laser rangefinder.

[0013] Further, it further includes a pneumatic chuck. The pneumatic chuck is arranged on the upper side of the left wall of the installation frame. The installation rod is located in a through hole provided in the middle of the right end of the pneumatic chuck. The installation rod is installed in cooperation with the pneumatic chuck, and the laser rangefinder can be locked and fixed.

[0014] Further, it also includes a strong magnet, which is respectively arranged at the top and side positions of the lower end of the trough-shaped base to realize the installation and fixation of the trough-shaped base.

[0015] Further, it also includes a spirit level, which is arranged on the right side of the upper end of the fixing plate, improving the accuracy of the laser rangefinder.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: The laser measuring device for railway line spacing of the present utility model has the following advantages:

[0017] When the laser measuring device for railway line spacing is in a horizontal state, the staff rotates the knob. The knob drives the internally threaded cylinder to rotate. During the rotation of the internally threaded cylinder, it drives the screw rod to move upward through threaded connection. The screw rod drives the connecting plate to move upward, so that the connecting plate drives the fixing plate to move upward through the lifting seat, and then adjusts the height of the laser rangefinder. Through the cooperative setting of the internally threaded cylinder and the screw rod, the height of the laser measuring device for railway line spacing can be adjusted according to the actual situation, solving the problem that the measurement progress is affected by the ballast blocking the laser beam. During the measurement process, the personnel do not need to move, the operation safety risk is zero, and the measurement accuracy is increased at the same time. After adjusting the position of the laser rangefinder, it can also be locked by the screw rod structure, and the operation is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the adjusting mechanism of the present utility model;

[0020] Figure 3 is a schematic upper side sectional view of the present utility model;

[0021] Figure 4 is a schematic enlarged view of part A of the present utility model;

[0022] Figure 5 is a schematic diagram of the installation position of the strong magnet inside the trough-shaped base of the present utility model;

[0023] Figure 6 is a schematic diagram of the connection between the trough-shaped base and the lower jaw of the rail of the present utility model;

[0024] Figure 7 is a schematic cross-sectional view of the railway line spacing;

[0025] Figure 8 is a schematic diagram of the on-site use of the present utility model

[0026] Figure 9 is a schematic side view of the on-site use of the present utility model.

[0027] In the figure: 1 trough-shaped base, 2 support vertical rod, 3 single-chip microcomputer, 4 lifting seat, 5 fixing plate, 6 mounting bracket, 7 adjusting mechanism, 71 partition plate, 72 internal thread cylinder, 73 screw rod, 74 knob, 75 mounting groove, 76 connecting plate, 8 mounting rod, 9 laser rangefinder, 10 adjusting wheel, 11 angle scale, 12 pointer, 13 pneumatic chuck, 14 strong magnet, 15 spirit level. Specific embodiments

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1-6 , this embodiment provides a technical solution: a laser measuring device for railway line spacing, including a trough-shaped base 1 and an adjusting mechanism 7;

[0030] Trough-shaped base 1: A support vertical rod 2 is arranged in the middle of its upper end. A lifting seat 4 is slidably connected in the connection groove arranged at the upper end of the support vertical rod 2. A fixing plate 5 is arranged at the upper end of the lifting seat 4. A mounting bracket 6 is arranged in the middle of the upper end of the fixing plate 5. The upper side inside the mounting bracket 6 is rotatably connected with a mounting rod 8 through a bearing. A laser rangefinder 9 is arranged in the middle of the outer arc surface of the mounting rod 8. After adjusting the position of the laser rangefinder 9, through the control of the control device, the laser rangefinder 9 starts to operate, so as to read the oblique distance between the measurement point and the reflection point. The laser rangefinder 9 transmits the measured data to the single-chip microcomputer 3 in real time, and finally the staff can obtain the track line spacing through calculation;

[0031] Adjusting mechanism 7: It includes a partition plate 71, an internally threaded cylinder 72, a screw rod 73 and a connecting plate 76. The partition plate 71 is arranged at the lower side inside the support vertical rod 2. The middle part of the upper end of the partition plate 71 is rotatably connected with the internally threaded cylinder 72 through a bearing. The internally threaded cylinder 72 is internally threaded with the screw rod 73. The upper end of the screw rod 73 is provided with a connecting plate 76. The upper end of the connecting plate 76 is fixedly connected with the lower end of the lifting seat 4. The adjusting mechanism 7 further includes a knob 74 and an installation groove 75. The installation grooves 75 are respectively arranged at the lower sides of the front and rear ends of the support vertical rod 2. The knob 74 is arranged on the upper side of the outer arc surface of the internally threaded cylinder 72. The knob 74 is located between the two installation grooves 75. When the laser measuring device for railway line spacing is in a horizontal state, the staff rotates the knob 74. The knob 74 drives the internally threaded cylinder 72 to rotate. During the rotation of the internally threaded cylinder 72, the screw rod 73 is driven to move upward through threaded connection. The screw rod 73 drives the connecting plate 76 to move upward. Thus, the connecting plate 76 drives the fixing plate 5 to move upward through the lifting seat 4, and further adjusts the height of the laser rangefinder 9. Through the cooperative setting of the internally threaded cylinder 72 and the screw rod 73, the height of the laser measuring device for railway line spacing can be adjusted according to the actual situation, solving the problem that the measurement progress is affected by the ballast blocking the laser beam. During the measurement process, the personnel do not need to move. While the operation safety risk is zero, the measurement accuracy is also increased. At the same time, after the position of the laser rangefinder 9 is adjusted, it can also be locked by the screw rod structure, and the operation is relatively convenient;

[0032] Among them: It further includes a single-chip microcomputer 3. The single-chip microcomputer 3 is arranged at the right end of the support vertical rod 2. The input end of the single-chip microcomputer 3 is electrically connected to an external power supply. The input end of the laser rangefinder 9 is electrically connected to the output end of the single-chip microcomputer 3, which can control the electrical components inside the device.

[0033] Among them: It further includes an adjusting wheel 10. The adjusting wheel 10 is arranged at the left end of the mounting rod 8. By rotating the adjusting wheel 10, the adjusting wheel 10 drives the laser rangefinder 9 to rotate through the mounting rod 8.

[0034] Among them: It further includes an angle scale 11 and a pointer 12. The pointer 12 is arranged on the right side of the outer arc surface of the mounting rod 8. The angle scale 11 is arranged at the right end of the mounting frame 6. The pointer 12 is located on the right side of the angle scale 11. During the rotation, the value indicated by the pointer 12 on the angle scale 11 is the rotation angle of the laser rangefinder 9.

[0035] Among them: It further includes a pneumatic chuck 13. The pneumatic chuck 13 is arranged on the upper side of the left wall of the mounting frame 6. The mounting rod 8 is located in the through hole provided in the middle of the right end of the pneumatic chuck 13. The mounting rod 8 is cooperatively installed with the pneumatic chuck 13. After the adjustment is completed, through the control of an external air-liquid intensifying cylinder, the jaws of the pneumatic chuck 13 re-limit the mounting rod 8, thereby realizing the locking and fixing of the laser rangefinder 9.

[0036] Wherein: it further includes a strong magnet 14, and the strong magnets 14 are respectively arranged at the top and side positions of the lower end of the trough-shaped base 1. Before use, place the laser measuring device for railway line spacing at the designated measuring position, and use the strong magnets 14 on the base 1 to closely fit with the lower jaw of the rail head at the corresponding position, so as to realize the support and fixation of the trough-shaped base 1 and the equipment above.

[0037] Wherein: it further includes a spirit level 15, and the spirit level 15 is arranged on the right side of the upper end of the fixing plate 5. After realizing the support and fixation of the trough-shaped base 1 and the equipment above, observe the spirit level 15. When the bubble in the spirit level 15 is in the middle, it means that the laser measuring device for railway line spacing is in a horizontal state.

[0038] The working principle of a laser measuring device for railway line spacing provided by the present utility model is as follows: Before use, place the laser measuring device for railway line spacing at the designated measuring position, and use the strong magnets 14 on the base 1 to closely fit with the lower jaw of the rail head at the corresponding position (there is a gap above the rail head), so as to realize the support and fixation of the trough-shaped base 1 and the equipment above. Then observe the spirit level 15. When the bubble in the spirit level 15 is in the middle, it means that the laser measuring device for railway line spacing is in a horizontal state. Then the staff rotates the knob 74, and the knob 74 drives the internal thread cylinder 72 to rotate. During the rotation of the internal thread cylinder 72, the screw rod 73 is driven to move upward through threaded connection, and the screw rod 73 drives the connecting plate 76 to move upward, so that the connecting plate 76 drives the fixing plate 5 to move upward through the lifting seat 4, and further adjusts the height of the laser rangefinder 9. After the adjustment is completed, the pneumatic chuck 13 is regulated through an external air-liquid booster cylinder, so that the jaws of the pneumatic chuck 13 are separated from the mounting rod 8. Then rotate the adjusting wheel 10, and the adjusting wheel 10 drives the laser rangefinder 9 to rotate through the mounting rod 8, so as to adjust the measuring angle of the laser rangefinder 9. During the rotation, the value indicated by the pointer 12 on the angle scale 11 is the rotation angle of the laser rangefinder 9. After the adjustment is completed, through the regulation of the external air-liquid booster cylinder, the jaws of the pneumatic chuck 13 re-limit the mounting rod 8, so as to realize the locking and fixation of the laser rangefinder 9. Then through the regulation of the single-chip microcomputer 3, the laser rangefinder 9 starts to operate, so as to read the oblique distance between the measuring point and the reflection point. The laser rangefinder 9 transmits the measured data to the single-chip microcomputer 3 in real time. Finally, the staff can obtain the track line spacing through calculation.

[0039] The calculation process of the track line spacing is as follows:

[0040] As Figure 7 shown, the formula is as follows:

[0041] L = l + 2b + g (1).

[0042] Wherein, L is the line spacing;

[0043] L is the distance between the non-working edges of the inner rails of the two tracks;

[0044] B is the width of the P60 rail head;

[0045] G is the standard track gauge of the railway line, which is 1435mm.

[0046] Here’s how to use it:

[0047] 1. Manually check the initial value of the measurement of this utility model;

[0048] 2. Place the trough base 1 of the utility model on the non-working side of a rail in a line, and under the magnetic attraction of the strong magnet of the trough base 1, the trough base 1 is completely fitted with the lower jaw of the rail head. Figure 8 As shown;

[0049] 3. Observe whether the level bubble set on the top of the laser rangefinder 9 of the utility model is centered. The centering proves that the utility model is vertically placed in place;

[0050] 4. Rotate the laser emission head of the laser rangefinder 9 so that the laser beam is emitted to a position 16 mm below the non-working side tread of the target track rail;

[0051] 5. Read the spatial oblique distance between the rotation axis point O and the reflection point Q, such as Figure 9 As shown;

[0052] The following conditions must be met when using:

[0053] ① The laser beam QO intersects the vertical center line OP of the device at point O;

[0054] ② The lower end of the vertical centerline OP of the device extends and passes through the midpoint of the top surface of the rail;

[0055] ③ The vertical centerline OP space of the device is perpendicular to the earth's horizontal plane.

[0056] 6. Read the laser head rotation angle θ, such as Figure 7 As shown;

[0057] 7. Calculate the laser measurement distance using the following formula.

[0058] Solution: From the above three design conditions and the figure above, we can know that:

[0059] PQ=QO*COSθ=l+0.5b,

[0060] L=l+2b+g=(l+0.5b)+1.5b+g,

[0061] Therefore, L=l+2b+g=QO*COSθ+1.5b+g(2).

[0062] Wherein: b and g are known quantities, QO and θ are obtained by on-site measurement, and the railway line spacing L is calculated according to formula (2).

[0063] It should be noted that for the single-chip microcomputer 3 disclosed in the above embodiments, STM8S207S8T6C can be selected, and for the laser rangefinder 9, JT-TLS-10C-C1 can be selected. The single-chip microcomputer 3 controls the laser rangefinder 9 to work by using the commonly used methods in the prior art.

[0064] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A laser measuring device for railway line spacing, characterized in that: It includes a trough-shaped base (1) and an adjustment mechanism (7); Trough-shaped base (1): In the middle of its upper end, there is a support vertical rod (2). A lifting seat (4) is slidably connected in the connection groove provided at the upper end of the support vertical rod (2). At the upper end of the lifting seat (4), there is a fixing plate (5). In the middle of the upper end of the fixing plate (5), there is an installation frame (6). The upper side inside the installation frame (6) is rotatably connected to an installation rod (8) through a bearing. In the middle of the outer arc surface of the installation rod (8), there is a laser rangefinder (9); Adjustment mechanism (7): It includes a partition plate (71), an internal thread cylinder (72), a screw rod (73), and a connecting plate (76). The partition plate (71) is arranged at the lower side inside the support vertical rod (2). The middle of the upper end of the partition plate (71) is rotatably connected to the internal thread cylinder (72) through a bearing. The internal thread cylinder (72) is internally threaded with the screw rod (73). The upper end of the screw rod (73) is provided with a connecting plate (76). The upper end of the connecting plate (76) is fixedly connected to the lower end of the lifting seat (4); Among them: It also includes a single-chip microcomputer (3). The single-chip microcomputer (3) is arranged at the right end of the support vertical rod (2). The input end of the single-chip microcomputer (3) is electrically connected to an external power supply. The input end of the laser rangefinder (9) is electrically connected to the output end of the single-chip microcomputer (3); It also includes an angle scale (11) and a pointer (12). The pointer (12) is arranged on the right side of the outer arc surface of the installation rod (8). The angle scale (11) is arranged at the right end of the installation frame (6). The pointer (12) is located on the right side of the angle scale (11); It also includes a pneumatic chuck (13). The pneumatic chuck (13) is arranged on the upper side of the left wall of the installation frame (6). The installation rod (8) is located in the through hole provided in the middle of the right end of the pneumatic chuck (13). The installation rod (8) is installed in cooperation with the pneumatic chuck (13); It also includes a strong magnet (14). The strong magnets (14) are respectively arranged at the top and side positions of the lower end of the trough-shaped base (1); It also includes a spirit level (15). The spirit level (15) is arranged on the right side of the upper end of the fixing plate (5).

2. The laser measuring device for railway line spacing according to claim 1, wherein: The adjustment mechanism (7) also includes a knob (74) and an installation groove (75). The installation grooves (75) are respectively arranged at the lower sides of the front and rear ends of the support vertical rod (2). The knob (74) is arranged on the upper side of the outer arc surface of the internal thread cylinder (72). The knob (74) is located between the two installation grooves (75).

3. The laser measuring device for railway line spacing according to claim 1, wherein: It also includes an adjustment wheel (10). The adjustment wheel (10) is arranged at the left end of the installation rod (8).

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