Deflection measuring device for road detection

Abstract

The utility model discloses a deflection measuring device for road detection, which particularly relates to the technical field of road measurement and comprises a measuring support plate, a concave limit groove is arranged on the upper side of one end of the measuring support plate, a locking piece is arranged at the upper end of the concave limit groove, and a top moving support piece is arranged at the lower end of the measuring support plate. The upper end of the top moving supporting piece is provided with an anti-disengaging protruding block, and the end face of the inner side of the top moving supporting piece is provided with an adaptive wheel. In actual use, under the corresponding arrangement state of the annular pressure sensor, the supporting spring, the supporting sliding sleeve and the limiting ring, when a worker drives the device to move, the supporting spring can abut against the annular pressure sensor, deflection of a road surface is detected, and the detection precision is improved. Therefore, convenience and efficiency of pavement deflection measurement are effectively improved, and convenience and stability of mounting and dismounting of the measurement supporting plate can be effectively improved in the state that the locking piece, the concave adaptive groove and the connecting bolt are correspondingly arranged.

Description

TECHNICAL FIELD

[0001] The utility model relates to road surveying technical field more specifically, the utility model relates to a kind of deflection measuring device for highway detection. BACKGROUND

[0002] When highway deflection is detected, Beckman beam deflection instrument is needed, which is suitable for measuring the elastic deflection value of the road surface under static loading or very slow speed loading, and can well reflect the overall strength of the road surface. It is made of lever principle and is used to measure the road surface deflection value between the rear axle double wheels of a vehicle. For example, the patent of a kind of deflection measuring device for highway detection disclosed in the prior art announcement No. CN218291518U takes out the base and puts it in place, then fixes the front lever and the rear lever by the connecting piece, puts the rear lever into the middle of the test wheel, then presses the snap buckle, so that the compression spring is compressed, until the top end of the snap buckle is retracted into the inside of the snap hole, then slide the movable rod upwards along the sliding groove of the fixed column, until the snap buckle pops out of the snap hole on the upper end of the fixed column and stops, then move the moving piece on the sliding rod, make the contact of the dial gauge abut against the measuring point on the front lever, and reset the dial gauge to zero.

[0003] The application of the contraction mechanism can reduce the length of the rod, facilitate storage and carrying, and improve the practicability and facilitate use. However, when the road surface deflection is large, the tire is easy to separate from the ground, which can affect the stability of the road surface deflection detection. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a deflection measuring device for highway detection, and the technical problems to be solved by the utility model are how to increase the convenience and stability of road surface deflection detection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a deflection measuring device for highway detection, comprising a measuring support plate, a concave limiting groove is formed on the upper side of one end of the measuring support plate, a locking piece is arranged at the upper end of the concave limiting groove, a top movable support piece is arranged at the lower end of the measuring support plate, a anti-dropping protrusion is arranged at the upper end of the top movable support piece, an adaptive wheel is arranged on the inner side of the top movable support piece, and a support sliding rod is arranged at the lower end of the top movable support piece.

[0006] An annular pressure sensor is arranged on the upper side of the outer end surface of the support sliding rod, a support sliding sleeve is arranged on the outer side of the lower end of the support sliding rod, a limiting ring is arranged on the outer end surface of the support sliding sleeve, a support spring is arranged on the upper side of the limiting ring, and a bottom movable support piece is arranged on the outside of the lower end of the support sliding sleeve.

[0007] In a preferred embodiment, reinforcing grooves are formed on the end surface of the measuring support plate, and a concave adaptive groove is formed on the lower side of the end surface of the locking piece.

[0008] The locking piece is connected with the measuring support plate through the connecting bolt, and the lower side of one end of the measuring support plate is provided with a support frame.

[0009] In a preferred embodiment, the lower end of the support frame is provided with a moving wheel, the upper end of the support frame is provided with a U-shaped support piece, and the lower end of the bottom moving support piece is provided with a support moving wheel.

[0010] The upper end of the bottom moving support piece is connected with the support sliding sleeve through the rotary connecting piece.

[0011] In a preferred embodiment, the number of reinforcing grooves is multiple, and is arranged in an array state on both sides of the vertical central axis in the main view direction of the measuring support plate.

[0012] The number of the concave matching grooves and the support frame is two, and is arranged in a mirror image state on both sides of the vertical central axis in the main view direction of the measuring support plate.

[0013] In a preferred embodiment, the cross section of the matching wheel in the right view direction is arranged in a concave state, and the outer end surface of the support sliding rod is matched with the inner end surface of the support sliding sleeve.

[0014] The annular pressure sensor is a commercially available FCLW annular load washer force sensor, and the outer end surface diameter of the limiting ring in the top view direction is greater than the outer end surface diameter of the support spring in the top view direction.

[0015] In a preferred embodiment, the number of the matching wheel and the support moving wheel is multiple, and is arranged in an array state on both sides of the vertical central axis in the main view direction of the top moving support piece and the bottom moving support piece.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] In actual use, under the corresponding arrangement state of the annular pressure sensor, the support spring and the support sliding sleeve and the limiting ring, when the staff drives the measuring support plate to move, the support spring can push against the annular pressure sensor to detect the deflection of the road surface, thereby effectively increasing the convenience and efficiency of the road deflection measurement. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model.

[0019] Figure 2 It is the structure schematic diagram of the utility model measurement support plate.

[0020] Figure 3 It is the structure schematic diagram of the utility model locking piece.

[0021] Figure 4 It is the structure schematic diagram of the utility model annular pressure sensor main view section.

[0022] The figure mark is: 1 measurement support plate, 2 locking piece, 3 reinforcing groove, 4 support frame, 5 moving wheel, 6 U type support piece, 7 top moving support piece, 8 concave limit slot, 9 concave adaptation slot, 10 connecting bolt, 11 adaptation wheel, 12 anti-drop boss, 13 annular pressure sensor, 14 support spring, 15 support sliding sleeve, 16 rotary connecting piece, 17 support sliding rod, 18 limit ring, 19 bottom moving support piece, 20 support moving wheel. Specific implementation

[0023] The utility model provides a deflection measuring device for highway detection, as shown in Figure 1 And Figure 2 The concave limit slot 8 is provided with a locking piece 2 at the upper end, and the lower end of the measurement support plate 1 is provided with a top moving support piece 7, and the end face of the measurement support plate 1 is provided with a reinforcing groove 3.

[0024] The lower side of the one end of the measurement support plate 1 is provided with a support frame 4, the lower end of the support frame 4 is provided with a moving wheel 5, the upper end of the support frame 4 is provided with a U type support piece 6, the number of reinforcing grooves 3 is multiple, and is arranged in an array state on both sides of the vertical central axis of the measurement support plate 1 main view direction.

[0025] As shown in Figure 3 And Figure 4 The upper end of the top moving support piece 7 is provided with an anti-drop boss 12, the inner side end face of the top moving support piece 7 is provided with an adaptation wheel 11, the lower end of the top moving support piece 7 is provided with a support sliding rod 17, the upper side of the outer end face of the support sliding rod 17 is provided with an annular pressure sensor 13, and the outer side of the lower end of the support sliding rod 17 is provided with a support sliding sleeve 15.

[0026] The outer end surface of the support sliding sleeve 15 is provided with a limiting ring 18, the upper side of the limiting ring 18 is provided with a support spring 14, the outer part of the lower end of the support sliding sleeve 15 is provided with a bottom moving support 19, the lower side end surface of the locking part 2 is provided with a concave matching groove 9, the locking part 2 and the measuring support plate 1 are connected through the connecting bolt 10, a plurality of measuring support plates 1 can be conveniently connected through the locking part 2 and the connecting bolt 10, so that the road surface of different widths can be conveniently measured;

[0027] The lower end of the bottom moving support 19 is provided with a support moving wheel 20, the upper end of the bottom moving support 19 is connected with the support sliding sleeve 15 through the rotary connecting part 16, the number of the concave matching grooves 9 and the support frames 4 is two, and the two sides of the vertical central axis of the front view direction of the measuring support plate 1 are arranged in a mirror image state;

[0028] The section of the matching wheel 11 in the right view direction is arranged in a concave state, the outer end surface of the support sliding rod 17 is matched with the inner end surface of the support sliding sleeve 15, and the annular pressure sensor 13 is a commercially available FCLW annular load washer force sensor;

[0029] The outer end surface diameter of the limiting ring 18 in the top view direction is greater than the outer end surface diameter of the support spring 14 in the top view direction, so that when the support sliding sleeve 15 moves, the support spring 14 can abut against the annular pressure sensor 13, and the deflection of the road surface can make the force borne by the annular pressure sensor 13 decrease, so that the deflection of the road surface is measured, and the number of the matching wheels 11 and the support moving wheels 20 is multiple, and the two sides of the vertical central axis of the front view direction of the top moving support 7 and the bottom moving support 19 are arranged in an array state.

[0030] The working principle of the utility model is as follows:

[0031] When the utility model is used, the staff connects a plurality of measuring support plates 1 together through the locking part 2 according to the width of the road surface, then installs the support frame 4 at the two ends of the measuring support plate 1, then installs the annular pressure sensor 13 and the support spring 14 on the outer end surface of the support sliding rod 17, then the staff can insert the support sliding rod 17 into the inside of the support sliding sleeve 15, then the staff can move the support sliding sleeve 15, when the road surface deflects, the pressure borne by the annular pressure sensor 13 abutting against the support spring 14 changes, so that the deflection of the road surface is measured.

[0032] Finally, it should be pointed out that: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0033] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A deflection measuring device for highway detection, characterized by, Include: The measuring support plate (1) is provided with a concave limiting groove (8) on the upper side of one end, the upper end of the concave limiting groove (8) is provided with a locking part (2), the lower end of the measuring support plate (1) is provided with a top moving support part (7), the upper end of the top moving support part (7) is provided with an anti-off convex block (12), the inner side end face of the top moving support part (7) is provided with an adaptive wheel (11), the lower end of the top moving support part (7) is provided with a support sliding rod (17); The outer end face of the support sliding rod (17) is provided with an annular pressure sensor (13) on the upper side, the outer side of the lower end of the support sliding rod (17) is provided with a support sliding sleeve (15), the outer end face of the support sliding sleeve (15) is provided with a limiting ring (18), the upper side of the limiting ring (18) is provided with a support spring (14), the outer part of the lower end of the support sliding sleeve (15) is provided with a bottom moving support part (19).

2. The deflection measuring device for highway detection according to claim 1, characterized in that: The end face of the measuring support plate (1) is provided with a reinforcing groove (3), the lower side end face of the locking part (2) is provided with a concave adaptive groove (9); The locking part (2) and the measuring support plate (1) are connected through the connecting bolt (10) provided, the lower side of one end of the measuring support plate (1) is provided with a support frame (4).

3. The deflection measuring device for highway inspection according to claim 2, characterized in that: The lower end of the support frame (4) is provided with a moving wheel (5), the upper end of the support frame (4) is provided with a U-shaped support part (6), the lower end of the bottom moving support part (19) is provided with a support moving wheel (20); The upper end of the bottom moving support part (19) is connected with the support sliding sleeve (15) through the rotary connecting piece (16) provided.

4. The deflection measuring device for highway inspection according to claim 2, characterized in that: The number of reinforcing grooves (3) is multiple, and is arranged in an array state on both sides of the vertical center axis in the front view direction of the measuring support plate (1); The number of concave adaptive grooves (9) and support frames (4) is two, and is arranged in a mirror image state on both sides of the vertical center axis in the front view direction of the measuring support plate (1).

5. The deflection measuring device for highway inspection according to claim 1, characterized in that: The adaptive wheel (11) is arranged in a concave state in the right view direction, the outer end face of the support sliding rod (17) is matched with the inner end face of the support sliding sleeve (15); The outer end face diameter of the limiting ring (18) in the top view direction is greater than the outer end face diameter of the support spring (14) in the top view direction.

6. The deflection measuring device for highway inspection according to claim 2, characterized in that: The number of adaptive wheels (11) and support moving wheels (20) is multiple, and is arranged in an array state on both sides of the vertical center axis in the front view direction of the top moving support part (7) and the bottom moving support part (19).

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