Device for detecting central height of cross beam of wave-shaped beam guardrail

Abstract

The utility model discloses a device for detecting the central height of a beam of a wave-shaped beam guardrail, and belongs to the technical field of height detection of wave-shaped guardrails. The problems that in the prior art, when the height of the wave-shaped beam guardrail is detected, multiple persons need to operate, operation is tedious, and the working efficiency is low are solved. The system specifically comprises a host, a universal lengthening module and a positioning module, wherein the host is connected with the universal lengthening module; the universal lengthening module is connected with a positioning module; a circular level bubble is arranged at the top of the host; a laser distance measuring sensor module and a data processing module are arranged in the host, and the laser distance measuring sensor module is electrically connected with the data processing module. In the utility model, the height of the host is adjusted during detection, so that the host is in a horizontal state, and the laser distance measuring sensor module in the host detects the height from the host to the ground and sends the height to the data processing module, thereby completing the detection of the central height of the waveform protective guard beam; the detection speed is high, the height detection of multiple point positions can be rapidly completed, and the detection efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of height detection of corrugated guardrails, in particular to a device for detecting the center height of a crossbeam of a corrugated beam guardrail. Background Art

[0002] Corrugated beam guardrails are commonly seen on both sides of highways, used to prevent vehicles from running off the highway after an accident or to prevent pedestrians from entering the highway. After the corrugated beam guardrail is installed, its installation height needs to be tested. There are two existing methods for testing the center height of the corrugated beam guardrail. One is the method of using a level ruler and a steel tape measure. The disadvantage of this method is that it requires two people to cooperate in the operation. One person is responsible for aligning the level ruler with the center of the guardrail and adjusting the level, and the other person is responsible for measuring the vertical distance between the level ruler and the road surface. The detection efficiency is low, the human factor interference is large, and the detection accuracy is low; the second method is to use or set a leveling base on the ground, or install a fixing device on the guardrail, or install a related detection device on the bottom plate with universal wheels to detect the center height of the beam. The disadvantages of this method are that it takes a long time to level the base or fix the device, the equipment is inconvenient to carry, and the detection process is complicated, resulting in low detection efficiency.

[0003] Therefore, the utility model provides a fast, accurate, portable, low-cost, green and environmentally friendly device for detecting the center height of the cross beam of a corrugated beam guardrail. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for detecting the center height of the crossbeam of a corrugated beam guardrail, which solves the problem in the prior art that detecting the center height of the crossbeam of a corrugated beam guardrail requires multiple people to operate, the operation is cumbersome, and the work efficiency is low.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A device for detecting the center height of a corrugated beam guardrail crossbeam comprises a main unit, a universal lengthening module and a positioning module, wherein one side of the main unit is connected to the universal lengthening module; and the universal lengthening module is connected to the positioning module;

[0007] A circular level bubble is arranged on the top of the main unit; a laser distance measuring sensor module and a data processing module are arranged inside the main unit, and the laser distance measuring sensor module and the data processing module are electrically connected.

[0008] In this solution, during detection, the positioning module is fixed on the corrugated guardrail, and the height of the main unit is adjusted so that the bubble of the circular level is in the center position; the laser ranging sensor module inside the main unit detects the height of the main unit from the ground and sends it to the data processing module to complete the detection of the center height of the corrugated guardrail beam; the detection speed is fast, and the height detection of multiple points can be completed quickly, the detection efficiency is high, and the operation is simple.

[0009] Furthermore, the laser ranging sensor module includes a laser emitter and a laser receiver; the laser emitter and the laser receiver are both connected to the data processing module.

[0010] In this solution, the laser transmitter and the laser receiver respectively transmit pulsed lasers and receive echoes, which can achieve height distance detection in the range of 20mm to 1200mm with accurate detection results and fast detection speed.

[0011] Furthermore, a battery compartment is provided in the host, in which a battery is installed, and the battery is electrically connected to the data processing module through a power switch, and the power switch is provided at the bottom of the host;

[0012] Control buttons and a display screen are arranged on the top of the host; the control buttons and the display screen are both connected to the data processing module.

[0013] In this solution, a battery compartment is designed to facilitate the installation and replacement of batteries; a display screen is designed to display the detected center height value of the corrugated steel guardrail beam for easy viewing by inspectors.

[0014] Furthermore, the universal extension module is a connecting rod, and both ends of the connecting rod are respectively provided with a threaded column and a built-in thread; one end of the host connected to the universal extension module is provided with a host connecting thread, and the host is threadedly connected to the connecting rod through the host connecting thread.

[0015] In this solution, threaded columns and built-in threads are respectively provided at both ends of the connecting rod, so that multiple connecting rods can be connected and lengthened; for some special road sections, when the horizontal distance between the center of the corrugated steel guardrail beam and the road surface is far, one or more connecting rods can be connected end to end to lengthen it; this design is suitable for various construction scenarios and has a wide range of applications.

[0016] Further, the positioning module includes a trough positioning member and a peak positioning member;

[0017] A trough positioning threaded column is provided at one end of the trough positioning member, and a trough positioning joint is provided at the other end. The trough positioning threaded column is connected to the connecting rod, and the trough positioning joint is fixed at the trough position of the corrugated beam guardrail;

[0018] A crest positioning threaded column is provided at one end of the crest positioning piece, and a crest positioning joint is provided at the other end. The crest positioning threaded column is connected to the connecting rod, and the crest positioning joint is fixed to the crest position of the corrugated beam guardrail.

[0019] In the present scheme, a trough positioning piece is connected to the connecting rod, and the trough positioning piece can be fixed at its trough position when connected to the corrugated beam guardrail; a crest positioning piece is connected to the connecting rod, and the crest positioning piece can be fixed at its crest position when connected to the corrugated beam guardrail; during actual detection, the fixed position can be selected according to the number of waves of the guardrail; if the corrugated guardrail is a two-corrugated beam steel guardrail, the trough positioning piece is connected to the connecting rod, and the detection device is fixed at the trough position at the center height of the two corrugated beam steel guardrails through the trough positioning piece; if the corrugated guardrail is a three-corrugated beam steel guardrail, the crest positioning piece is connected to the connecting rod, and the detection device is fixed at the crest position at the center height of the three-corrugated beam steel guardrails through the crest positioning piece.

[0020] Furthermore, the trough positioning joint is a spherical segment structure, the nominal radius SR of the spherical segment structure is 24 mm, and the bottom chord length L of the spherical segment structure is 36 mm.

[0021] In this solution, the trough positioning joint is a spherical segment structure, and during inspection, the trough positioning joint is fixed to the nut of the trough of the corrugated beam guardrail.

[0022] Furthermore, the arc structure of the wave crest positioning joint has a nominal radius R of 24 mm, and an angle β between a tangent and a vertical line at an end point of the arc structure is 55°.

[0023] Furthermore, a handle is provided at one end of the main machine away from the universal extension module.

[0024] In this solution, it is convenient for the inspector to hold the inspection device with one hand, and when holding it with one hand, the thumb of the hand can also be used to start the control button, which is simple and convenient to operate.

[0025] The beneficial effects of the utility model are:

[0026] When the detection device provided by the utility model is used for detection, the positioning module is fixed on the corrugated guardrail, and the height is adjusted by holding the main unit. When the circular level bubble shows that the detection device is horizontal, the laser distance sensor module is started to complete the height detection. The detection operation process is simple and easy to operate. The whole machine is light in weight and has a handle that is easy to hold. It can be operated by one person with one hand, which reduces the work intensity and improves the work efficiency. Using the laser distance sensor module for height distance measurement has the advantages of high detection accuracy and stable performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the main structure of a device for detecting the center height of a corrugated beam guardrail crossbeam of the utility model;

[0028] Figure 2 This is a schematic diagram of the structure of the universal extension module of the utility model;

[0029] Figure 3This is a schematic diagram of the structure of the positioning module of the utility model;

[0030] Figure 4 It is a schematic diagram of the trough structure in which the trough positioning member of the utility model is fixed to the corrugated beam guardrail;

[0031] Figure 5 The utility model is a schematic diagram of the crest structure in which the crest positioning member is fixed to the corrugated beam guardrail.

[0032] Reference numerals:

[0033] 1. Host; 11. Battery compartment; 12. Control button; 13. Circular level bubble; 14. Display screen; 15. Data processing module; 16. Laser ranging sensor module; 161. Laser transmitter; 162. Laser receiver; 17. Handle; 18. Host connection thread; 19. Power switch; 2. Universal extension module; 21. Built-in thread; 22. Threaded column; 3. Valley positioning piece; 31. Valley positioning joint; 32. Valley positioning threaded column; 4. Peak positioning piece; 41. Peak positioning joint; 42. Peak positioning threaded column; 51. Valley; 52. Peak. DETAILED DESCRIPTION

[0034] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. The specific implementation of the utility model is described below to facilitate the understanding of the utility model by those skilled in the art, but it should be clear that the utility model is not limited to the scope of the specific implementation. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the attached claims, these changes are obvious, and all inventions and creations conceived using the utility model are protected.

[0035] like Figure 1-5 As shown, this embodiment provides a device for detecting the center height of a corrugated beam guardrail beam, which is used to detect the center height of a corrugated beam guardrail beam; the detection device is easy to use, can realize the detection operation by one person with one hand, and improves the height detection efficiency; it specifically includes:

[0036] Host 1, universal extension module 2 and positioning module,

[0037] One side of the host 1 is connected to a universal extension module 2 ; the universal extension module 2 is connected to a positioning module.

[0038] The host 1 is used to detect the height of the corrugated guardrail, and specifically includes: a circular level bubble 13, a laser ranging sensor module 16, a data processing module 15, a battery compartment 11 and a display screen 14; Figure 1As shown, a circular level bubble 13 is provided on the top of the host 1; a laser ranging sensor module 16 and a data processing module 15 are provided inside the host 1, and the laser ranging sensor module 16 and the data processing module 15 are electrically connected; a battery compartment 11 is provided inside the host 1, and a battery is installed in the battery compartment 11, and the battery is electrically connected to the data processing module 15, the laser ranging sensor module 16 and the display screen 14 through a power switch 19 to provide them with working power; the power switch 19 is provided at the bottom of the host 1; the control button 12 and the display screen 14 are provided at the top of the host 1; the control button 12 and the display screen 14 are both connected to the data processing module 15. During detection, the laser ranging sensor module 16 inside the host 1 detects the height of the host 1 from the ground and sends it to the data processing module 15; the battery compartment 11 is designed to facilitate the installation and replacement of batteries; the display screen 14 is designed to display the detected height value of the center of the corrugated steel guardrail beam, so that the detection personnel can view it.

[0039] The laser ranging sensor module 16 includes a laser emitter 161 and a laser receiver 162; the laser emitter 161 and the laser receiver 162 are both connected to the data processing module 15; the laser emitter 161 and the laser receiver 162 respectively transmit pulsed lasers and receive echoes, and can realize height distance detection in the range of 20mm to 1200mm, with accurate detection results and fast detection speed.

[0040] like Figure 2 As shown, the universal lengthening module 2 is a connecting rod, and the two ends of the connecting rod are respectively provided with a threaded column 22 and a built-in thread 21; one end of the host 1 connected to the universal lengthening module 2 is provided with a host connecting thread 18; the host 1 is threadedly connected to the connecting rod through the host connecting thread 18; this design allows multiple connecting rods to be connected and lengthened; for some special road sections, when the horizontal distance between the center of the corrugated steel guardrail beam and the road surface is far, one or more connecting rods can be used to connect them end to end to lengthen them; this design is suitable for various construction scenarios and has a wide range of applications.

[0041] like Figure 3 As shown, the positioning module includes a trough positioning member 3 and a crest positioning member 4; one end of the trough positioning member 3 is provided with a trough positioning threaded column 32, and the other end is provided with a trough positioning joint 31, the trough positioning threaded column 32 is connected to the connecting rod, and the trough positioning joint 31 is fixed to the trough 51 position of the corrugated beam guardrail; one end of the crest positioning member 4 is provided with a crest positioning threaded column 42, and the other end is provided with a crest positioning joint 41, the crest positioning threaded column 42 is connected to the connecting rod, and the crest positioning joint 41 is fixed to the crest 52 position of the corrugated beam guardrail. In actual testing of this design, the fixed position can be selected according to the number of waves of the guardrail.

[0042] like Figure 4As shown, the corrugated guardrail is a two corrugated steel guardrail, then the trough positioning member 3 is connected to the connecting rod, and the detection device is fixed at the trough 51 position at the center height of the two corrugated steel guardrails through the trough positioning member 3; Figure 5 As shown, if the corrugated guardrail is a three-corrugated steel guardrail, a crest positioning member 4 is connected to the connecting rod, and the detection device is fixed at the crest 52 position at the center height of the three-corrugated steel guardrail through the crest positioning member 4.

[0043] The trough positioning joint 31 is a spherical segment structure, the nominal radius SR of the spherical segment structure is 24 mm, and the bottom chord length L of the spherical segment structure is 36 mm; the trough positioning joint 31 is a spherical segment structure, and the trough positioning joint 31 is fixed on the nut of the trough of the corrugated beam guardrail during inspection.

[0044] The arc structure of the wave crest positioning joint 41 has a nominal radius R of 24 mm, and an angle β between a tangent and a vertical line at an end point of the arc structure is 55°.

[0045] A handle 17 is provided at one end of the host 1 away from the universal extension module 2. The handle 17 is convenient for the inspector to hold the inspection device with one hand, and when holding it with one hand, the thumb of the hand can also be used to start the control button 12, which is simple and convenient to operate.

[0046] As a preferred embodiment of the present invention, the main unit 1 housing, the universal extension module 2 and the positioning module are preferably prepared using 3D printing additive manufacturing technology, and the 3D printing consumables are PLA resin; the preparation using 3D printing technology has the advantages of low cost, harmless to health, light weight of the whole machine, and green environmental protection.

[0047] As a preferred embodiment of the present invention, the data processing module 15 may use Raspberry Pi 4B as a development board, which has the advantages of small module size, low price and low power consumption.

[0048] As a preference of this embodiment, the circular vial 13 may be of a high-precision type with an angle value of 4'.

[0049] As a preference of this embodiment, a rechargeable lithium-ion battery may be disposed in the battery compartment 11 .

[0050] The working principle of this embodiment is:

[0051] When the detection device provided in this embodiment is used, the positioning module is fixed on the corrugated guardrail, the handle 17 is held, and the height of the host 1 is adjusted by the handle 17 so that the bubble of the circular level bubble 13 is in the center position to ensure that the detection device is level; turn on the control button 12, the laser ranging sensor module 16 detects the distance between the host 1 and the ground, that is, the host height; the laser ranging sensor module 16 sends the host height to the data processing module 15, and the data processing module 15 displays the host height on the display screen 14.

[0052] Those skilled in the art will appreciate that the embodiments herein are intended to help readers understand the principles of the present invention, and should be understood that the protection scope of the present invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific variations and combinations based on the technical inspirations disclosed in the present invention without departing from the essence of the present invention, and these variations and combinations are still within the protection scope of the present invention.

Claims

1. A device for detecting the center height of a corrugated beam guardrail, characterized in that: It comprises a host (1), a universal extension module (2) and a positioning module, wherein one side of the host (1) is connected to the universal extension module (2); and the positioning module is connected to the universal extension module (2); A circular level bubble (13) is provided on the top of the main unit (1); a laser distance sensor module (16) and a data processing module (15) are provided inside the main unit (1); the laser distance sensor module (16) and the data processing module (15) are electrically connected.

2. The device for detecting the center height of the corrugated beam guardrail according to claim 1 is characterized in that: The laser distance measuring sensor module (16) comprises a laser emitter (161) and a laser receiver (162); the laser emitter (161) and the laser receiver (162) are both connected to the data processing module (15).

3. The device for detecting the center height of the corrugated beam guardrail according to claim 2 is characterized in that: The host (1) is also provided with a battery compartment (11), in which a battery is installed, and the battery is electrically connected to the data processing module (15) via a power switch (19), and the power switch (19) is arranged at the bottom of the host; The top of the host (1) is provided with a control button (12) and a display screen (14); the control button (12) and the display screen (14) are both connected to the data processing module (15).

4. The device for detecting the center height of the corrugated beam guardrail according to claim 1 is characterized in that: The universal extension module (2) is a connecting rod, and the two ends of the connecting rod are respectively provided with a threaded column (22) and a built-in thread (21); one end of the host (1) connected to the universal extension module (2) is provided with a host connecting thread (18); the host (1) is threadably connected to the connecting rod via the host connecting thread (18).

5. The device for detecting the center height of the corrugated beam guardrail according to claim 4 is characterized in that: The positioning module comprises a trough positioning member (3) and a peak positioning member (4); One end of the trough positioning member (3) is provided with a trough positioning threaded column (32), and the other end is provided with a trough positioning joint (31), the trough positioning threaded column (32) is connected to the connecting rod, and the trough positioning joint (31) is fixed at the trough (51) position of the corrugated beam guardrail; One end of the crest positioning member (4) is provided with a crest positioning threaded column (42), and the other end is provided with a crest positioning joint (41), the crest positioning threaded column (42) is connected to the connecting rod, and the crest positioning joint (41) is fixed to the crest (52) position of the corrugated beam guardrail.

6. The device for detecting the center height of the corrugated beam guardrail according to claim 5 is characterized in that: The trough positioning joint (31) is a spherical segment structure, the nominal radius SR of the spherical segment structure is 24 mm, and the bottom chord length L of the spherical segment structure is 36 mm.

7. The device for detecting the center height of the corrugated beam guardrail according to claim 5 is characterized in that: The circular arc structure of the wave crest positioning joint (41) has a nominal radius R of 24 mm, and an angle β between a tangent and a vertical line at an end point of the circular arc structure is 55°.

8. The device for detecting the center height of the corrugated beam guardrail according to any one of claims 1 to 7, characterized in that: A handle (17) is provided at one end of the main machine (1) away from the universal extension module (2).

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