Parameter measuring device for safe passing of train through tunnel

Abstract

The utility model relates to a parameter measuring device for safe passing of a train through a tunnel, which comprises a cross beam, a host, a first laser range finder and a second laser range finder, a fixed end rail lapping surface is arranged at the bottom of the left end of the cross beam, a gauge fixed measuring head is connected to the inner side of the bottom end of the fixed end rail lapping surface, and a movable end rail lapping surface is arranged at the bottom of the right end of the cross beam. A gauge movable measuring head is connected to the inner side of the bottom end of the movable end rail lapping face, a positioning pin hole and a screw hole are formed in the position, close to the middle, of the cross beam, and a main machine positioning pin penetrates through the positioning pin hole in the main machine and the positioning pin hole in the cross beam to position the main machine on the cross beam. A host fastening screw penetrates through a fixing hole of the host and a screw hole in the cross beam to fix the host on the cross beam, a laser transmission range finder I and a laser transmission range finder II are respectively mounted on one side of the host, and circuits of the laser transmission range finder I and the laser transmission range finder II are respectively connected with the host. The measuring device is high in measuring efficiency, accurate in positioning, long in service life and convenient to carry when people go out.

Description

TECHNICAL FIELD

[0001] The utility model relates to a detection device, in particular to a train safety through tunnel parameter's measuring device. BACKGROUND

[0002] The main parameters of train safety through tunnel include line spacing, tunnel clearance etc., which directly affect the operation safety and efficiency of train. These parameters must be measured in the tunnel construction and operation maintenance stage, which directly affects whether the rail transit can be operated safely. At present, the industry mainly adopts total station to measure tunnel parameters, because the measurement precision of total station is not high and the total station needs to be supported by a tripod and adjusted to be horizontal before measurement, which needs a long time. The distance of two rails needs to be measured respectively to obtain the rail spacing by manual calculation. The tunnel also needs to be measured twice on both sides, and the train safety through tunnel parameters are obtained by manual calculation finally, so the measurement efficiency is relatively low. The industry also adopts single laser range finder to measure tunnel parameters, which needs to measure both sides of the tunnel respectively, so the measurement efficiency is low, and the crossbeam of single laser range finder is a whole structure, so the packaging box size of single laser range finder is relatively large, which is inconvenient to carry out. SUMMARY

[0003] The utility model discloses a kind of train safety through tunnel parameter measuring devices, which is high in measurement efficiency, accurate in positioning, long in service life, and convenient to carry out.

[0004] The utility model discloses a kind of train safety through tunnel parameter measuring devices, which is high in measurement efficiency, accurate in positioning, long in service life, and convenient to carry out.

[0005] The utility model discloses further technical scheme is: the crossbeam includes crossbeam one and crossbeam two, crossbeam one, crossbeam two are connected by folding clamp and two connection pin shafts and form whole structure, folding clamp is wrapped in crossbeam one right end upper side and crossbeam two left end upper side, two connection pin shafts are connected with folding clamp and crossbeam one, crossbeam two respectively.

[0006] The further technical scheme of the utility model discloses: positioning pin hole and screw hole are arranged on the right end upper side of crossbeam one respectively, the host computer is connected on the right end upper side of crossbeam one, the fixed end rail surface and gauge fixed measuring head are connected on the left end lower side of crossbeam one, and the movable end rail surface and gauge movable measuring head are connected on the right end lower side of crossbeam two.

[0007] The further technical scheme of the utility model discloses: the both sides of the left end of crossbeam one are equipped with protruding parts respectively, and the fixed end rail surface is connected on the bottom surface of the left end of crossbeam one and the bottom surface of two protruding parts, and one gauge fixed measuring head is connected to the fixed end rail surface of each side protruding part lower side respectively, and two gauge fixed measuring heads are arranged symmetrically relative to the crossbeam center line.

[0008] The further technical scheme of the utility model discloses: the gauge movable measuring head is located between two gauge fixed measuring heads, the upper surface of crossbeam two is equipped with a sliding groove, the sliding groove is provided with a gauge handle capable of sliding in the sliding groove, and the gauge handle bottom end and the gauge movable measuring head are connected with a telescopic mechanism arranged in crossbeam two, and the gauge handle is moved in the sliding groove, and the telescopic mechanism can drive the gauge movable measuring head to move.

[0009] The further technical scheme of the utility model discloses: the bottom end of the host computer is provided with a rotating adjusting screw capable of adjusting the position of laser transmission distance instrument one and laser transmission distance instrument two, and the upper end of the host computer is connected with an arc-shaped handle.

[0010] The utility model discloses a kind of train safety through tunnel parameter measuring devices with following beneficial effects: 1, host computer and crossbeam are quickly assembled using positioning pin and locking screw, convenient to carry and split packing, reduce packing size;2, crossbeam includes crossbeam one and crossbeam two, two sections of crossbeam adopt disassembly and folding mode, can effectively reduce packing size, convenient to carry outside;3, laser transmission distance instrument one and laser transmission distance instrument two are connected on the side of host computer, using double laser range finder measurement, realize the measurement of both sides of tunnel simultaneously, greatly improve work efficiency, laser sensor is improved from original 1mm error to 0.5mm, greatly improve measurement accuracy;4, using double gauge fixed measuring head positioning, not only accurate positioning, need not find minimum value along rail when measuring, can effectively reduce measuring head wear, and then improve product service life and work efficiency.

[0011] The utility model discloses a kind of train safety through tunnel parameter measuring devices with following beneficial effects: 1, host computer and crossbeam are quickly assembled using positioning pin and locking screw, convenient to carry and split packing, reduce packing size;2, crossbeam includes crossbeam one and crossbeam two, two sections of crossbeam adopt disassembly and folding mode, can effectively reduce packing size, convenient to carry outside;3, laser transmission distance instrument one and laser transmission distance instrument two are connected on the side of host computer, using double laser range finder measurement, realize the measurement of both sides of tunnel simultaneously, greatly improve work efficiency, laser sensor is improved from original 1mm error to 0.5mm, greatly improve measurement accuracy;4, using double gauge fixed measuring head positioning, not only accurate positioning, need not find minimum value along rail when measuring, can effectively reduce measuring head wear, and then improve product service life and work efficiency. DRAWINGS

[0012] Figure 1 It is the front view of the utility model discloses a kind of train safety through tunnel parameter measuring device;

[0013] Figure 2 It is Figure 1 The plan view of the measuring device shown in figure 3;

[0014] Figure 3 yes Figure 1 Left view of the measuring device shown;

[0015] Explanation of reference numerals: 1-Fixed end rail surface, 2-Crossbeam 1, 3-Main unit positioning pin, 4-Main unit, 5-Handle, 6-Rotation adjustment screw, 7-Main unit fastening screw, 8-Crossbeam locking screw, 9-Connecting pin, 10-Disassembly clamping plate, 11-Crossbeam 2, 12-Track gauge handle, 13-Moving probe pull rod, 14-Spring, 15-Moving end rail surface, 16-Laser rangefinder 1, 17-Laser rangefinder 2, 18-Track gauge fixed probe, 19-Track gauge movable probe, 20-Protrusion, 21-Slide groove. Detailed Implementation

[0016] The present invention will now be described with reference to the accompanying drawings, wherein the directions described in the present invention refer to the directions when a person is facing the accompanying drawings.

[0017] like Figures 1 to 3 As shown, this utility model discloses a device for measuring parameters for safe train passage through tunnels, comprising a crossbeam, a main unit 4, a laser rangefinder 16, and a laser rangefinder 2 17. A fixed end rail surface 1 is provided at the bottom left of the crossbeam, with a gauge fixed probe 18 connected to the inner side of the bottom end of the fixed end rail surface 1. A movable end rail surface 15 is provided at the bottom right of the crossbeam, with a gauge movable probe 19 connected to the inner side of the bottom end of the movable end rail surface 15. Positioning pin holes and screw holes are respectively provided near the middle of the crossbeam. Positioning pins 3 of the main unit 4 pass through the positioning pin holes on the main unit 4 and the crossbeam to position the main unit 4 on the crossbeam. Fastening screws 7 of the main unit 4 pass through the fixing holes on the main unit 4 and the screw holes on the crossbeam to fix the main unit 4 on the crossbeam.

[0018] In the embodiment, the crossbeam comprises crossbeam one 2 and crossbeam two 11, which are connected to form an integral structure by folding the clamping plate 10 and two connecting pin shafts 9. The folding clamping plate 10 comprises a top plate and clamping plates connected perpendicularly below both sides of the top plate. The folding clamping plate 10 is formed by bending a metal plate. The folding clamping plate 10 is wrapped around the upper right end of crossbeam one 2 and the upper left end of crossbeam two 11. The two connecting pin shafts 9 are connected with the folding clamping plate 10 and crossbeam one 2 and crossbeam two 11 respectively. The upper right end of crossbeam one 2 and the upper left end of crossbeam two 11 are respectively provided with fixing holes. The top plate of the folding clamping plate 10 is provided with through holes corresponding to the positions of the fixing holes. The crossbeam locking screw 8 passes through the through holes on the top plate of the folding clamping plate 10 and the fixing holes of crossbeam one 2 and crossbeam two 11, so as to fix crossbeam one 2 and crossbeam two 11. When the crossbeam locking screw 8 is removed, crossbeam one 2 and crossbeam two 11 can be folded. The positioning pin hole and the screw hole are respectively arranged on the upper right end of crossbeam one 2. The main machine 4 is connected to the upper right end of crossbeam one 2. The main machine positioning pin 3 passes through the positioning pin hole on the main machine 4 and the positioning pin hole on crossbeam one 2 to position the main machine 4 on crossbeam one 2. The main machine fastening screw 7 passes through the fixing hole of the main machine 4 and the screw hole on crossbeam one 2 to fix the main machine 4 on crossbeam one 2. The laser distance measuring instrument one 16 and the laser distance measuring instrument two 17 are respectively installed on one side of the main machine 4. The circuits of the laser distance measuring instrument one 16 and the laser distance measuring instrument two 17 are respectively connected with the main machine 4. The bottom end of the main machine 4 is provided with a rotating adjusting screw 6 which can adjust the positions of the laser distance measuring instrument one 16 and the laser distance measuring instrument two 17. The upper end of the main machine 4 is connected with an arc-shaped handle 5. When the main machine 4 is installed on crossbeam one 2, the measuring device can be lifted by the handle 5, so as to adjust the position of the measuring device. The main machine 4 is a small computer. The main machine 4 is installed with measurement supporting software. The main machine is not the invention point of the utility model, and its structure will not be described in detail here.

[0019] As shown in Figure 1 , Figure 2 , the fixed end rail clamping surface 1 and the gauge fixed measuring head 18 are connected to the left lower end of crossbeam one 2. The movable end rail clamping surface 15 and the gauge movable measuring head 19 are connected to the right lower end of crossbeam two 11. The left end of crossbeam one 2 is respectively provided with a protruding part 20. The fixed end rail clamping surface 1 is connected to the bottom surface of the left end of crossbeam one 2 and the bottom surface of the protruding part 20. As shown in Figure 1 , the fixed end rail clamping surface 1 is a metal plate with a flat bottom surface. The fixed end rail clamping surface 1 is connected to the bottom surface of the left end of crossbeam one 2 by screws. The fixed end rail clamping surface 1 on the lower side of each protruding part 20 is respectively connected with a gauge fixed measuring head 18. The two gauge fixed measuring heads 18 are symmetrically arranged relative to the center line of the crossbeam. The gauge fixed measuring head 18 is connected to the bottom of the fixed end rail clamping surface 1 by screws. Figure 3As shown, the track gauge movable measuring head 19 is located in the middle position between the two track gauge fixed measuring heads 18. The upper surface of the crossbeam two 11 is provided with a sliding groove 21, and the sliding groove 21 is provided with a track gauge handle 12 which can slide in the sliding groove 21. The bottom end of the track gauge handle 12 is connected with the track gauge movable measuring head 19, and a telescopic mechanism arranged in the crossbeam two 11 is arranged between the track gauge handle 12 and the track gauge movable measuring head 19. The telescopic mechanism includes a movable measuring head pull rod 13 and a spring 14. The telescopic mechanism is a prior structure, and no detailed introduction will be made here. The track gauge handle 12 is moved in the sliding groove 21, and the telescopic mechanism can drive the track gauge movable measuring head 19 to move.

[0020] In use, first, the crossbeam one 2 and the crossbeam two 11 are opened, the two crossbeam locking screws 8 are tightened, the crossbeam one 2 and the crossbeam two 11 are placed on the two rails, the two track gauge fixed measuring heads 18 are in contact with the inner side of one side rail, the track gauge handle 12 is pulled, the position of the track gauge movable measuring head 19 is adjusted, and the track gauge movable measuring head 19 is in contact with the inner side of the other rail; 2, the main machine positioning pin hole is aligned with the positioning pin hole on the crossbeam, the main machine 4 is placed on the crossbeam, the main machine positioning pin 3 is inserted into the positioning pin hole to position the main machine 4, the main machine locking screw is tightened, the power of the main machine 4 is turned on, and the measurement interface is entered; 3, the laser is directed to the measured part of the tunnel by rotating the rotary adjusting screw 6, the measurement button of the main machine 4 is clicked, and the software automatically calculates the transverse parameter of the measured part of the tunnel from the track center and the vertical parameter from the rail top surface according to the collected information.

[0021] The above embodiments are only preferred embodiments of the present application, and the structure of the present application is not limited to the forms listed in the above embodiments. Any modification, equivalent replacement and the like made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A train safe passing tunnel parameter measuring device, characterized in that, The utility model relates to a track gauge measuring device, including crossbeam, host computer (4), laser transmission range finder no.

2. The apparatus for measuring parameters for safe train tunnel passage according to claim 1, wherein, The crossbeam includes crossbeam no.

3. A device for measuring parameters of a train safely passing through a tunnel according to claim 2, characterized in that, The positioning pin hole and the screw hole are arranged on the right end upper side of the crossbeam no.

4. A device for measuring parameters of a train safely passing through a tunnel according to claim 3, characterized in that, The two sides of the left end of the crossbeam no.

5. A device for measuring parameters of a train safely passing through a tunnel according to claim 4, characterized in that, The track gauge movable measuring head (19) is located between the two track gauge fixed measuring heads (18), the upper surface of the crossbeam no.

6. The apparatus for measuring parameters for safe train tunnel passage according to claim 1, wherein, The bottom end of the host computer (4) is provided with a rotating adjusting screw (6) capable of adjusting the position of the laser transmission range finder no. The upper end of the host computer (4) is connected with an arc-shaped handle (5).

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