Rail transit anti-vibration pad laying height measuring device

Abstract

The utility model discloses a rail transit anti-vibration pad laying height measuring device, which is characterized in that the rail transit anti-vibration pad laying height measuring device comprises a telescopic tripod, a height positioning piece, a laser emitter and a magnetic attraction mechanism, the shape of the fastening hole is the same as that of the cross section of the height positioning piece, so that the height positioning piece is conveniently clamped in the fastening hole; the height positioning piece is provided with scale marks in the height direction of the height positioning piece. The laser emitter is mounted on the height positioning piece and can move up and down along the height direction of the height positioning piece; the magnetic attraction mechanism is installed at the bottom of the height positioning piece so that the encryption base mark can be attracted conveniently. According to the utility model, the laser emission instrument is combined with the height positioning piece to position the laying height of the anti-vibration pad, and the position of the laser emission instrument is determined through the scales on the height positioning piece, so that the laser emission height of the laser emission instrument is the laying height of the anti-vibration pad, the accuracy of the laying height of the anti-vibration pad is improved, and the measurement error is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit construction technical field especially is related to a rail transit damping pad laying height measuring device. BACKGROUND

[0002] In tunnel construction, the damping pad laying needs to strictly meet the design elevation requirement; the traditional tunnel wall elevation measurement usually uses a level or a tape measure, this measurement method is greatly disturbed by the environment, has a high error rate, leads to insufficient measurement accuracy, and easily causes material waste; moreover, the traditional measurement method is difficult to quickly position the reference line in a complex section, affecting the construction efficiency; therefore, a measurement device with high measurement accuracy and quick positioning function needs to be designed. SUMMARY

[0003] The utility model discloses a rail transit damping pad laying height measuring device, which uses a laser emitter combined with a height positioning piece to position the damping pad laying height, determines the position of the laser emitter through the scale on the height positioning piece, and makes the laser emission height of the laser emitter be the laying height of the damping pad, thereby improving the accuracy of the damping pad laying height and reducing the measurement error.

[0004] To achieve the above object, the utility model adopts the technical scheme of a rail transit damping pad laying height measuring device, which comprises a telescopic tripod, a height positioning piece, a laser emitter and a magnetic attraction mechanism.

[0005] Preferably, the telescopic tripod comprises a top plate and a supporting leg, the number of the supporting leg is three, the three supporting legs are telescopic structures, the three supporting legs are arranged at equal intervals along the side wall of the top plate to form a triangular structure, and the fastening hole is arranged in the middle of the top plate.

[0006] Preferably, the bottom of the height positioning piece is provided with a groove, a spring is arranged in the groove, the end of the spring along the length direction is fixedly connected with the top of the groove, and the end of the spring away from the groove is fixedly connected with the magnetic attraction mechanism.

[0007] Preferably, the magnetic attraction mechanism adopts a magnetic attraction needle head to facilitate embedding in the encryption base mark.

[0008] Preferably, the side wall of the top plate is symmetrically provided with two screw holes to facilitate the bolt to be passed through the screw holes and then abut against the height positioning piece.

[0009] Preferably, the telescopic tripod is made of light alloy, and the height adjustment range of the leg is 0.5m-2m.

[0010] Preferably, the height positioning member is made of square steel.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The utility model adopts laser emitter to combine height positioning member to carry out damping pad laying height positioning, and the position of the laser emitter is determined through the scale on the height positioning member, so that the laser emission height of the laser emitter is the laying height of the damping pad, the accuracy of the damping pad laying height is improved, and the measurement error is reduced.

[0013] 2. The height positioning member is provided with a magnetic attraction mechanism at the bottom, the cooperation of the magnetic attraction mechanism and the telescopic tripod makes the position of the height positioning member stable, and the installation efficiency of the height positioning member is improved.

[0014] 3. The height positioning member and the telescopic tripod are detachably connected, the laser emitter is magnetically attracted to the height positioning member, each component is installed at the corresponding position during use, and each component is disassembled after use, so that the occupied space of the measuring device is reduced.

[0015] The utility model will be further described in detail through the drawings and examples. DRAWINGS

[0016] Figure 1 The utility model is a structural schematic view.

[0017] Mark explanation:

[0018] 1 - telescopic tripod; 2 - height positioning member; 3 - laser emitter;

[0019] 4 - magnetic attraction mechanism; 5 - fastening hole; 6 - top plate;

[0020] 7 - leg. Specific implementation

[0021] As Figure 1The utility model discloses a track traffic damping pad laying height measuring device, including telescopic tripod 1, height positioning piece 2, laser emission instrument 3 and magnetic attraction mechanism 4, the middle part of telescopic tripod 1 is equipped with fastening hole 5, the shape of fastening hole 5 is matched with the section of height positioning piece 2 to facilitate height positioning piece 2 clamping in fastening hole 5, height positioning piece 2 is provided with scale mark along its height direction, laser emission instrument 3 is installed on height positioning piece 2 and can move up and down along the height direction of height positioning piece 2, magnetic attraction mechanism 4 is installed on the bottom of height positioning piece 2 to facilitate the adsorption of encryption base mark, and magnetic attraction mechanism 4 is telescopic along height positioning piece 2.

[0022] Laser emission instrument 3 is also provided with leveling bubble and rotary adjusting knob, and the leveling bubble is used to determine whether laser emission instrument 3 is in a horizontal state, and the rotary adjusting knob is used to adjust the laser emitted by laser emission instrument 3 to be a point or a line, and laser emission instrument 3 emits laser from a laser emission port.

[0023] In the embodiment, the position of the encryption base mark is determined based on the damping pad to be measured, height positioning piece 2 is inserted into fastening hole 5 along the height direction, magnetic attraction mechanism 4 is installed at the bottom of height positioning piece 2, and magnetic attraction mechanism 4 is telescopic along height positioning piece 2. When magnetic attraction mechanism 4 successfully adsorbs the encryption base mark, magnetic attraction mechanism 4 is retracted into height positioning piece 2 under the gravity of height positioning piece 2, so that height positioning piece 2 is fixed in position and the bottom of height positioning piece 2 is in contact with the encryption base mark, thereby avoiding measurement errors. Telescopic tripod 1 is adjusted to keep height positioning piece 2 perpendicular to the horizontal plane and stable in position. When measuring the elevation, laser emission instrument 3 is moved up and down along height positioning piece 2 based on the preset height, and laser emission instrument 3 is moved to the preset height position. Laser emission instrument 3 emits laser towards the tunnel sidewall, and the height of the laser projected along the horizontal direction on the tunnel sidewall is the laying height of the damping pad. The position of the damping pad is adjusted based on the laying height of the damping pad, which improves the construction efficiency and the accuracy of the damping pad laying height and reduces the measurement error.

[0024] Telescopic tripod 1 includes a top plate 6 and three legs 7, the three legs 7 are telescopic structures, and the three legs 7 are arranged at equal intervals along the sidewall of the top plate 6 to form a triangular structure. The fastening hole 5 is arranged in the middle of the top plate 6.

[0025] In the embodiment, the top plate 6 is circular structure, the thickness of the top plate 6 is 3cm-5cm, the side wall of the top plate 6 is provided with three hinge parts along the circumferential direction, the height positioning part 2 is adsorbed on the ground through the magnetic attraction mechanism 4 after passing through the fastening hole 5, the three supporting legs 7 are adjusted to keep the height positioning part 2 vertical and the laser emitter 3 horizontal, each supporting leg 7 includes an upper supporting leg and a lower supporting leg, the length of the supporting leg 7 is increased or shortened by moving the lower supporting leg up and down along the upper supporting leg, the length of the supporting leg 7 is adjusted, the position of the supporting leg 7 is also adjusted, the supporting leg 7 is moved forward or backward, the laser emitter 3 is kept horizontal through the leveling bubble on the laser emitter 3, if the laser emitter 3 is kept horizontal, the adjustment of the supporting leg 7 is stopped, the laser emitter 3 emits laser to determine the damping pad laying height, if the laser emitter 3 is kept inclined, the length or position of the supporting leg 7 is continuously adjusted to keep the laser emitter 3 horizontal, the damping pad laying height is accurate, the length and position of the supporting leg 7 are adjusted, the measuring device can adapt to various terrain environments, and the applicability of the measuring device is improved.

[0026] The shape of the top plate 6 is not limited, the top plate 6 can be any shape, the number of the supporting legs 7 is three, the stability of the triangle is utilized to keep the telescopic tripod 1 stable and support the height positioning part 2.

[0027] Further, the bottom of the supporting leg 7 is provided with a universal wheel, when the damping pad laying height is detected, the position of the supporting leg 7 is adjusted to keep the height positioning part 2 vertical and the laser emitter 3 horizontal, the laser emitter 3 emits laser along the horizontal direction, whether the supporting leg 7 is continuously adjusted is determined according to the leveling bubble on the laser emitter 3, the universal wheel of the supporting leg 7 to be adjusted is unlocked, the universal wheels of the remaining supporting legs 7 are locked, the supporting leg 7 to be adjusted is moved until the leveling bubble on the laser emitter 3 is located at the center position, the universal wheel of the supporting leg 7 to be adjusted is locked, the height positioning part 2 and the laser emitter 3 keep position fixed, the damping pad laying height is measured, when the damping pad laying height measurement is finished, the universal wheels of the three supporting legs 7 are unlocked, the three supporting legs 7 are collected to be perpendicular to the horizontal direction, the three supporting legs 7 support the top plate 6 upwards, the height positioning part 2 is fastened in the fastening hole 5 of the top plate 6, and there is a distance between the magnetic attraction mechanism 4 at the bottom of the height positioning part 2 and the ground, the measuring device is transferred to the next target measurement position through the universal wheels on the three supporting legs 7, the height positioning part 2 and the laser emitter 3 are avoided from being repeatedly disassembled and assembled, the measurement period is shortened, and the work efficiency is improved.

[0028] The bottom of the height positioning piece 2 is provided with a groove, and a spring is arranged in the groove. The lengthwise end of the spring is fixedly connected with the top of the groove, and the end of the spring away from the groove is fixedly connected with the magnetic attraction mechanism 4.

[0029] In the embodiment, the diameter of the groove matches the diameter of the spring, so that the spring can extend or contract along the groove. When the height positioning piece 2 is in a non-working state, the spring is in a free state, and the magnetic attraction mechanism 4 is located outside the groove. The end of the magnetic attraction mechanism 4 away from the spring can attract the encrypted base mark. When the height positioning piece 2 is in a working state, the end of the magnetic attraction mechanism 4 away from the spring is attracted into the encrypted base mark. Under the action of the gravity of the height positioning piece 2, the spring contracts, and the magnetic attraction mechanism 4 is compressed into the groove together with the spring. The bottom of the height positioning piece 2 is in contact with the encrypted base mark.

[0030] Further, the bottom of the height positioning piece 2 is provided with a fastening piece. The fastening piece is elastic. When the height positioning piece 2 is in a non-working state, the fastening piece is installed at the bottom of the height positioning piece 2, so that the magnetic attraction mechanism 4 and the spring are located in the groove. At this time, the side wall of the fastening piece is tightly attached to the side wall of the height positioning piece 2, and the bottom of the fastening piece is tightly attached to the bottom of the height positioning piece 2. When the height positioning piece 2 is ready to work, the fastening piece is removed, the spring is in a free state, and the magnetic attraction mechanism 4 is located outside the groove of the height positioning piece 2. Through the protection of the fastening piece, the service life of the magnetic attraction mechanism 4 can be prolonged.

[0031] The magnetic attraction mechanism 4 adopts a magnetic attraction needle head, which is convenient to embed into the encrypted base mark.

[0032] The height positioning piece 2 is made of square steel.

[0033] The side wall of the top plate 6 is symmetrically provided with two threaded holes, so that the bolts can pass through the threaded holes and tightly press the height positioning piece 2.

[0034] In the embodiment, after the position of the height positioning piece 2 is fixed, the legs 7 of the telescopic tripod 1 are adjusted, so that the position of the height positioning piece 2 remains stable, and the laser emitter 3 located on the height positioning piece 2 remains horizontal. The bolts are respectively screwed into the threaded holes on both sides of the top plate 6, and the two sides of the height positioning piece 2 are respectively tightly pressed by the opposite bolts, so as to improve the stability of the height positioning piece 2 and avoid the inclination affecting the measurement effect.

[0035] The telescopic tripod 1 is made of light alloy, and the height adjustment range of the legs 7 is 0.5m-2m.

[0036] The telescopic legs 7 are adopted, so that the measurement device is suitable for different terrain environments and improves the applicability of the measurement device.

[0037] In use, the height positioning member 2 is inserted into the fastening hole 5, the top plate 6 is sleeved on the height positioning member 2, the magnetic attraction mechanism 4 is attracted to the encryption base, the bolts are screwed into the threaded holes on both sides of the top plate 6 to improve the clamping effect of the top plate 6 on the height positioning member 2, the laser emitter 3 is attracted to the target height of the height positioning member 2 based on the preset height of the damping pad, the target height matches the preset height of the damping pad, the positions and lengths of the three legs 7 of the telescopic tripod 1 are adjusted, the height positioning member 2 is kept vertical, the laser emitter 3 is kept in a horizontal state, the laser emitter 3 is started, the laser emitter 3 emits laser light along the horizontal direction to the laying surface of the damping pad, the height of the damping pad is adjusted based on the laser height on the laying surface of the damping pad, the laying height of the damping pad reaches the preset height, the height positioning member 2 and the laser emitter 3 improve the accuracy of the laying position of the damping pad and reduce the measurement error.

[0038] The above is only a preferred embodiment of the present application, and does not limit the present application, and any simple modification, change and equivalent structure change of the above embodiment according to the technical essence of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A track-borne vehicle damping mat laying height measuring device, characterized by: Including telescopic tripod (1), height positioning piece (2), laser emitter (3) and magnetic attraction mechanism (4), The middle part of the telescopic tripod (1) is provided with a fastening hole (5), the shape of the fastening hole (5) matches the cross section of the height positioning piece (2), so that the height positioning piece (2) is clamped in the fastening hole (5); The height positioning piece (2) is provided with scale marks along its height direction; The laser emitter (3) is installed on the height positioning piece (2) and can move up and down along the height direction of the height positioning piece (2); The magnetic attraction mechanism (4) is installed at the bottom of the height positioning piece (2) to facilitate the adsorption of the encryption base mark, and the magnetic attraction mechanism (4) is telescopic along the height positioning piece (2).

2. The track-borne vehicle damping mat laying height measuring device according to claim 1, characterized in that: The telescopic tripod (1) includes a top plate (6) and a leg (7), the number of the leg (7) is three, the three legs (7) are telescopic structure, the three legs (7) are arranged along the side wall of the top plate (6) at equal intervals to form a triangular structure, and the fastening hole (5) is arranged in the middle part of the top plate (6).

3. The track-borne vehicle damping mat laying height measuring device according to claim 1, characterized in that: The bottom of the height positioning piece (2) is provided with a groove, a spring is arranged in the groove, the end of the spring along the length direction is fixedly connected with the top of the groove, and the end of the spring away from the groove is fixedly connected with the magnetic attraction mechanism (4).

4. The track-borne vehicle damping mat laying height measuring device according to claim 1, characterized in that: The magnetic attraction mechanism (4) adopts a magnetic attraction needle to facilitate embedding in the encryption base mark.

5. The track-borne vehicle damping mat laying height measuring device according to claim 2, characterized in that: The side wall of the top plate (6) is symmetrically provided with two threaded holes, so that the height positioning piece (2) can be tightly pressed after the bolt passes through the threaded hole.

6. The track-borne vehicle damping mat laying height measuring device according to claim 2, characterized in that: The telescopic tripod (1) is made of light alloy, and the height adjustment range of the leg (7) is 0.5m-2m.

7. The track-borne vehicle damping mat laying height measuring device according to claim 1, characterized in that: The height positioning piece (2) is made of square steel.

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