A guardrail beam center height detection device

Abstract

The utility model discloses a device for detecting the center height of a guardrail beam, the device comprises a counterweight part; a balance component, one side of which is connected to the counterweight part; a test component, which is connected to the other side of the balance component; the test component comprises a vertical vertical rod, and two groups of support members sleeved on the vertical rod, a laser rangefinder is installed on the support member at the top position, and a laser baffle is installed on the support member at the bottom position, the laser baffle is located directly below the emitting end of the laser rangefinder, and the support member comprises a connecting sleeve movably sleeved on the vertical rod; through the height detection device adopted in the utility model, the center height of the guardrail beam can be detected quickly and accurately, and no human intervention is required in the whole detection process, which greatly reduces the difficulty of work and improves work efficiency, and can also save the labor cost in the existing measurement, making up for the technical gap in the existing detection of the center height of the beam.

Description

Technical Field

[0001] The utility model belongs to the technical field of guardrail crossbeam height detection, and in particular relates to a guardrail crossbeam center height detection device. Background Art

[0002] The center height of the beam is a key indicator of the quality of guardrail installation. This parameter needs to be tested during the acceptance inspection and daily regular inspection of traffic safety facilities. Therefore, fast and accurate inspection during the inspection process is very necessary for safety and quality, and it also has a good impetus to cost reduction and efficiency improvement.

[0003] At present, since the relevant inspection specifications for traffic safety facilities do not specify the equipment used to test this parameter, the on-site implementation currently uses a spirit level and a steel tape measure for measurement, and two technicians are required to cooperate in the inspection. This method not only increases the number of personnel, but also cannot guarantee the degree of cooperation between the two people, which can easily affect the accuracy of the data. Utility Model Content

[0004] The purpose of the utility model is to provide a guardrail beam center height detection device to solve the problems proposed in the above background technology that the center height detection of the guardrail beam depends on manual work, which easily affects the accuracy and has inconvenient operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for detecting the center height of a guardrail beam, the detection device comprising a counterweight portion; a balance component, one side of which is connected to the counterweight portion; a test component, which is connected to the other side of the balance component; the test component comprises a vertical vertical rod, and two groups of support members sleeved on the vertical rod, a laser rangefinder is installed on the support member at the top position, and a laser baffle is installed on the support member at the bottom position, the laser baffle is located directly below the emitting end of the laser rangefinder, and in detecting the height of the guardrail beam, first The support at the top position is adjusted downward along the vertical rod until it reaches the top surface of the corrugated steel guardrail, and then the support at the bottom position is adjusted upward along the vertical rod and fit with the bottom surface of the corrugated steel guardrail. Then turn on the laser rangefinder without using the laser baffle, and you can get the distance A1 from the top surface of the corrugated steel guardrail to the road surface. Then turn on the laser baffle so that the light emitted by the laser rangefinder can be rebounded by the laser baffle. At this time, you can get the distance A2 from the top surface to the bottom surface of the corrugated steel guardrail, and then get the center height of the beam according to the formula. The calculation formula is L=A1-A2 / 2, where L is the center height of the beam.

[0006] As a preferred technical solution in the utility model, the support member includes a connecting sleeve movably mounted on a vertical rod, and a cross bar horizontally fixed to one side of the connecting sleeve, the laser rangefinder is installed on the cross bar at the top position, and the laser baffle is installed on the cross bar at the bottom position.

[0007] As a preferred technical solution in the utility model, a screw hole is opened on the other side of the connecting sleeve, and a tightening bolt is screwed into the screw hole. The tightening bolt abuts against the surface of the vertical rod, thereby limiting the position of the connecting sleeve and the cross rod after adjustment.

[0008] As a preferred technical solution in the utility model, the balancing assembly includes a tripod connector installed on a tripod, and a balancing tray directly above the tripod connector, a plurality of leveling screws pass through the balancing tray, the leveling screws are fixedly connected to the tripod connector, and a level bubble is also installed on the surface of the balancing tray. Before testing, the tripod connector is first connected to an external tripod, and then the balancing tray is connected to the tripod connector through the leveling screws. At the same time, the inclination of the balancing tray is adjusted by tightening or loosening the leveling screws until the level bubble is in a centered state.

[0009] As a preferred technical solution in the utility model, screw holes are symmetrically opened on both sides of the balancing tray, and fixing rods and connecting rods are respectively screwed into the screw holes on both sides. The connecting rods are threadedly connected to the counterweight part, and the fixing rods are threadedly connected to the midpoint of the vertical rods, thereby realizing the installation of the entire device.

[0010] As a preferred technical solution in the utility model, the counterweight part is a counterweight block, and the mass of the counterweight block is equal to that of the entire test assembly, thereby ensuring that the balance assembly is in a centered balanced state and avoiding tipping to either side.

[0011] As a preferred technical solution in the utility model, the laser rangefinder has a transmitting end and a receiving end, the receiving end is used to receive the light reflected back by the laser baffle, and the laser rangefinder, the laser baffle and the crossbar are all detachably connected.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the height detection equipment adopted in the utility model, the center height of the guardrail beam can be quickly and accurately detected. During the entire detection process, no human intervention is required, which greatly reduces the difficulty of work, improves work efficiency, and can also save the labor cost in the existing measurement, making up for the existing technical gap in the detection of the center height of the beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a rear view of the utility model;

[0016] Figure 3It is a structural schematic diagram of the balancing component of the utility model.

[0017] In the figure: 1. counterweight; 2. connecting rod; 3. leveling screw; 4. level bubble; 5. balance tray; 6. fixing rod; 7. tripod connector; 8. tightening bolt; 9. connecting sleeve; 10. vertical rod; 11. laser rangefinder; 12. horizontal rod; 13. laser baffle; 14. screw hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3 The utility model provides a technical solution: a guardrail beam center height detection device, the detection device includes

[0020] Counterweight part;

[0021] A balancing assembly, one side of which is connected to the counterweight portion;

[0022] A test assembly connected to the other side of the balance assembly;

[0023] The test assembly includes a vertical pole 10 and two sets of support members sleeved on the pole 10. A laser rangefinder 11 is installed on the support member at the top position, and a laser baffle 13 is installed on the support member at the bottom position. The laser baffle 13 is directly below the transmitting end of the laser rangefinder 11. When testing the height of the guardrail beam, the support member at the top position is first adjusted downward along the pole 10 until it reaches the top surface of the corrugated steel guardrail, and then the support member at the bottom position is adjusted downward along the pole 10 until it reaches the top surface of the corrugated steel guardrail. The support member is adjusted upward along the vertical rod 10 and fits with the bottom surface of the corrugated steel guardrail. Then the laser rangefinder 11 is turned on without using the laser baffle 13, and the distance A1 from the top surface of the corrugated steel guardrail to the road surface can be obtained. Then the laser baffle 13 is turned on so that the light emitted by the laser rangefinder 11 can be rebounded by the laser baffle 13. At this time, the distance A2 from the top surface to the bottom surface of the corrugated steel guardrail can be obtained, and then the center height of the beam is obtained according to the formula, and the calculation formula is L=A1-A2 / 2, where L is the center height of the beam.

[0024] In this embodiment, the support member includes a connecting sleeve 9 movably mounted on a vertical rod 10, and a cross bar 12 horizontally fixed to one side of the connecting sleeve 9. The laser rangefinder 11 is installed on the cross bar 12 at the top position, and the laser baffle 13 is installed on the cross bar 12 at the bottom position.

[0025] In this embodiment, a screw hole is opened on the other side of the connecting sleeve 9, and a tightening bolt 8 is screwed into the screw hole. The tightening bolt 8 abuts against the surface of the vertical rod 10, thereby limiting the position of the connecting sleeve 9 and the cross rod 12 after adjustment.

[0026] In this embodiment, the balancing assembly includes a tripod connector 7 installed on a tripod, and a balancing tray 5 located directly above the tripod connector 7. A plurality of leveling screws 3 are passed through the balancing tray 5, and the leveling screws 3 are fixedly connected to the tripod connector 7. A level bubble 4 is also installed on the surface of the balancing tray 5. Before testing, the tripod connector 7 is first connected to the external tripod, and then the balancing tray 5 is connected to the tripod connector 7 through the leveling screws 3. At the same time, the inclination of the balancing tray 5 is adjusted by tightening or loosening the leveling screws 3 until the level bubble 4 is in a centered state.

[0027] In this embodiment, screw holes 14 are symmetrically opened on both sides of the balancing tray 5, and fixing rods 6 and connecting rods 2 are screwed into the screw holes 14 on both sides respectively. The connecting rod 2 is threadedly connected to the counterweight part, and the fixing rod 6 is threadedly connected to the midpoint of the vertical rod 10, so as to realize the installation of the entire device.

[0028] In this embodiment, the counterweight part is a counterweight block 1, and the mass of the counterweight block 1 is equal to that of the entire test assembly, thereby ensuring that the balancing assembly is in a centered balanced state and avoiding tipping to either side.

[0029] In this embodiment, the laser rangefinder 11 has a transmitting end and a receiving end. The receiving end is used to receive the light reflected by the laser baffle 13. The laser rangefinder 11, the laser baffle 13 and the crossbar 12 are all detachably connected.

[0030] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A guardrail beam center height detection device, characterized in that: The testing equipment includes Counterweight part; A balancing assembly, one side of which is connected to the counterweight portion; A test assembly connected to the other side of the balance assembly; The test assembly comprises a vertical rod (10) and two groups of support members sleeved on the vertical rod (10), wherein a laser rangefinder (11) is mounted on the support member at the top position, and a laser baffle (13) is mounted on the support member at the bottom position, wherein the laser baffle (13) is located directly below the emission end of the laser rangefinder (11).

2. The device for detecting the center height of a guardrail beam according to claim 1 is characterized in that: The support member comprises a connecting sleeve (9) movably sleeved on a vertical rod (10), and a cross bar (12) horizontally fixed to one side of the connecting sleeve (9); the laser rangefinder (11) is mounted on the cross bar (12) at the top position, and the laser baffle (13) is mounted on the cross bar (12) at the bottom position.

3. The device for detecting the center height of a guardrail beam according to claim 2 is characterized in that: A screw hole is provided on the other side of the connecting sleeve (9), into which a tightening bolt (8) is screwed, and the tightening bolt (8) abuts against the surface of the vertical rod (10).

4. The device for detecting the center height of a guardrail beam according to claim 1 is characterized in that: The balancing assembly comprises a tripod connector (7) mounted on a tripod, and a balancing tray (5) located directly above the tripod connector (7); a plurality of leveling screws (3) are passed through the balancing tray (5); the leveling screws (3) are fixedly connected to the tripod connector (7); and a level bubble (4) is also installed on the surface of the balancing tray (5).

5. The device for detecting the center height of a guardrail beam according to claim 4 is characterized in that: The balancing tray (5) is symmetrically provided with screw holes (14), and a fixing rod (6) and a connecting rod (2) are screwed into the screw holes (14) on both sides respectively. The connecting rod (2) is threadedly connected to the counterweight part, and the fixing rod (6) is threadedly connected to the midpoint of the vertical rod (10).

6. The device for detecting the center height of a guardrail beam according to claim 5, characterized in that: The counterweight part is a counterweight block (1), and the mass of the counterweight block (1) is equal to that of the entire test assembly.

7. The device for detecting the center height of a guardrail beam according to claim 2, characterized in that: The laser rangefinder (11) has a transmitting end and a receiving end, and the laser rangefinder (11), the laser baffle (13) and the crossbar (12) are all detachably connected.

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