Beam center height detection device for corrugated beam steel guardrail

Abstract

The utility model relates to the technical field of highway facility detection, and particularly discloses a waveform beam steel guardrail cross beam center height detection device, which comprises a fixed seat clamped on a cross beam, the middle part of the fixed seat is connected with a supporting rod, the supporting rod corresponds to the center position of the cross beam, the outer side of the supporting rod is sleeved with a sliding seat, and the sliding seat is provided with a sliding groove. The sliding seat is connected with a measuring scale capable of sliding up and down, during measurement, the supporting rod is kept horizontal, the measuring scale is perpendicular to the supporting rod, and the sliding seat is provided with a pointer for indicating scales; the supporting rod always corresponds to the center position of the cross beam, the center position of the cross beam can be accurately positioned, the center height of the cross beam can be measured through the measuring scale, and the measuring mode is simple, rapid and accurate.

Description

Technical Field

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

[0002] The center height of the beam of the corrugated beam guardrail is one of the key parameters to ensure its effectiveness. It is designed to provide sufficient blocking and buffering to reduce the damage caused by vehicle collision. In addition, the installation height of the corrugated beam guardrail should also take into account factors such as road grade and vehicle speed to ensure its protective effect and stability.

[0003] At present, the detection of the center height of the beam can only determine the center position of the guardrail plate based on the subjective consciousness of the test personnel, and the accuracy of the test data cannot be guaranteed. Patent CN215064218U discloses a device for testing the center height of the corrugated guardrail beam. During the measurement, the center position of the beam is determined by connecting rods 1 and 2 contacting the protrusions on the guardrail, but the contact positions of connecting rods 1 and 2 with the protrusions on the guardrail cannot be accurately located, so that the measurement results also have certain deviations. Utility Model Content

[0004] The utility model aims at the above-mentioned deficiencies in the prior art and provides a device for detecting the center height of a corrugated steel guardrail beam. The support rod always corresponds to the center position of the beam, and the center position of the beam can be accurately located. The center height of the beam can be measured by a measuring ruler, and the measuring method is simple, fast and accurate.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for detecting the center height of a corrugated steel guardrail beam, comprising a fixed seat clamped on the beam, a support rod connected to the middle of the fixed seat, the support rod corresponding to the center position of the beam, a sliding seat sleeved on the outer side of the support rod, a measuring ruler that can slide up and down connected to the sliding seat, when measuring, the support rod is kept horizontal, the measuring ruler is perpendicular to the support rod, and a pointer indicating the scale is provided on the sliding seat.

[0007] Preferably, the fixing seat includes a positioning rod, a first guide hole is vertically provided on the positioning rod, a first threaded rod and a second threaded rod connected by a knob are provided on one side of the first guide hole, the thread directions of the first threaded rod and the second threaded rod are opposite, the ends of the first threaded rod and the second threaded rod are connected to the fixing seat, a threaded slider is sleeved on the outer side of the first threaded rod and the second threaded rod, the slider is slidably matched with the first guide hole, and a splint is connected to the slider.

[0008] Preferably, an anti-slip pad is provided on the side wall of the clamping plate.

[0009] Preferably, a middle portion of the fixing seat is connected to a swing arm via a rotating shaft, one end of the support rod is connected to the swing arm via the rotating shaft, and a first positioning bolt connected to the support rod is provided on the swing arm.

[0010] Preferably, a sliding hole slidably matched with the support rod is provided on the sliding seat, and a locking bolt matched with the support rod is provided on the side wall of the sliding seat.

[0011] Preferably, one side of the slide is connected to a guide block via a rotating shaft, the guide block is provided with a second guide hole, one side of the measuring ruler is connected to a parallel slide, the slide is slidably matched with the second guide hole, and the slide is provided with a second positioning bolt for fixing the guide block.

[0012] Preferably, a locking pin for pressing the slide plate is connected to the side wall of the guide block, and a spring for connecting the slide seat and the locking pin is sleeved on the outer side of the locking pin.

[0013] Preferably, a cushion block is provided at the lower end of the measuring ruler.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The fixing seat of the utility model is fixed to the beam, and the support rod always corresponds to the center position of the beam, so the center position of the beam can be accurately positioned. The center height of the beam can be measured by a measuring ruler, and the measuring method is simple, fast and accurate.

[0016] 2. The utility model can simultaneously rotate the first threaded rod and the second threaded rod through the knob to achieve the opening and closing adjustment of the two clamping plates, so that the support rod is always located in the middle position of the two clamping plates, thereby ensuring that the support rod can accurately correspond to the center position of the beam after the fixing seat is installed, thereby improving the accuracy of measurement.

[0017] 3. The utility model enables the support rod and the measuring ruler to be stored parallel to one side of the positioning rod, thus saving storage space. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 is a structural schematic diagram of a fixed seat;

[0020] Figure 3 It is a schematic diagram of the structure of the cooperation between the measuring ruler and the support rod;

[0021] Figure 4 It is a structural schematic diagram of the slide seat cooperation;

[0022] Figure 5 is a schematic diagram of the structure of the support rod;

[0023] In the figure: 1-fixed seat; 101-positioning rod; 102-anti-slip pad; 103-clamp; 104-slider; 105-first threaded rod; 106-knob; 107-second threaded rod; 108-ear plate; 109-first guide hole; 2-support rod; 201-rocker; 202-first positioning bolt; 3-measuring ruler; 301-slide plate; 302-pad; 4-slider; 401-locking bolt; 402-sliding hole; 403-second guide hole; 404-pointer; 405-locking pin; 406-spring; 407-guide block; 408-second positioning bolt. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1 As shown, a device for detecting the center height of a corrugated steel guardrail beam comprises a fixing seat 1 clamped on the beam, a support rod 2 is connected to the middle of the fixing seat 1, the support rod 2 corresponds to the center position of the beam, that is, the distance between the support rod 2 and the road surface is the height of the center of the beam, a slide seat 4 is sleeved on the outer side of the support rod 2, a measuring ruler 3 that can slide up and down is connected to the slide seat 4, when measuring, the support rod 2 is kept horizontal, the measuring ruler 3 is perpendicular to the support rod 2, the lower end of the measuring ruler 3 is in contact with the road surface, and a pointer 404 indicating a scale is provided on the slide seat 4.

[0026] like Figure 2 As shown, the fixing seat 1 includes a positioning rod 101, on which a first guide hole 109 is vertically provided, and one side of the first guide hole 109 is provided with a first threaded rod 105 and a second threaded rod 107 connected by a knob 106, the thread directions of the first threaded rod 105 and the second threaded rod 107 are opposite, and the ends of the first threaded rod 105 and the second threaded rod 107 are connected to the fixing seat 1, and the outer sides of the first threaded rod 105 and the second threaded rod 107 are sleeved with a threaded slider 104, and the two sliders 104 are at the same distance from the knob 106, and the slider 104 is slidably matched with the first guide hole 109, and a splint 103 is connected to the slider 104, and the first threaded rod 105 and the second threaded rod 107 are rotated by the knob 106 to realize the opening and closing of the two splints 103, and the two splints 103 move synchronously, which can ensure that the support rod 2 is always located between the two splints 103.

[0027] The side wall of the clamping plate 103 is provided with an anti-slip pad 102, the positioning rod 101 leans against the side wall of the beam, the clamping plate 103 is clamped at the upper and lower ends of the beam, and the support rod 2 is located in the middle position of the two clamping plates 103, that is, the center position of the beam.

[0028] A lug plate 108 is provided on one side of the middle of the fixing seat 1. The lug plate 108 is connected to a swing rod 201 via a rotating shaft. The swing rod 201 rotates left and right. Figure 5 As shown, one end of the support rod 2 is connected to the rocker arm 201 via a rotating shaft, and the support rod 2 and the rocker arm 201 can rotate up and down. The rocker arm 201 is provided with a first positioning bolt 202 connected to the support rod 2. The first positioning bolt 202 can connect the support rod 2 and the rocker arm 201 and keep it horizontal.

[0029] The sliding seat 4 is provided with a sliding hole 402 that is slidably matched with the support rod 2 , and the side wall of the sliding seat 4 is provided with a locking bolt 401 that is matched with the support rod 2 .

[0030] like Figure 3-4 As shown, a guide block 407 is connected to one side of the slide 4 through a rotating shaft, and a second guide hole 403 is provided on the guide block 407. A parallel slide plate 301 is connected to one side of the measuring ruler 3, and the slide plate 301 is slidably matched with the second guide hole 403. A second positioning bolt 408 is provided on the slide 4 to fix the guide block 407. By opening the second positioning bolt 408, the measuring ruler 3 can be rotated to be parallel to the support rod 2; by rotating the measuring ruler 3 to be perpendicular to the support rod 2, the guide block 407 can be fixed by the second positioning bolt 408.

[0031] A locking pin 405 for pressing the slide plate 301 is connected to the side wall of the guide block 407, and a spring 406 connecting the slide seat 4 and the locking pin 405 is sleeved on the outer side of the locking pin 405. Under the action of the spring 406, the locking pin 405 is pressed against the side wall of the measuring ruler 3, so that the measuring ruler 3 can be fixed. The measuring ruler 3 can be pulled by hand to slide up and down.

[0032] A cushion block 302 is provided at the lower end of the measuring ruler 3 to prevent the lower end of the measuring ruler 3 from being worn out due to long-term use.

[0033] When in use, the swing rod 201 is connected to the support rod 2 through the first positioning bolt 202 to make the support rod 2 horizontal, and the slide seat 4 is connected to the guide block 407 through the second positioning bolt 408 to make the measuring ruler 3 vertical to the support rod 2; the positioning rod 101 is placed against the side wall of the beam, and the knob 106 is turned to clamp the clamping plate 103 at the upper and lower ends of the beam to fix the fixing seat 1 on the beam, and the swing rod 201 is turned to make the support rod 2 above the road surface, and the measuring ruler 3 is slid to make the lower end of the measuring ruler 3 contact the road surface. At this time, the scale corresponding to the pointer 404 is the center height of the beam;

[0034] After the measurement is completed, the first positioning bolt 202 and the second positioning bolt 408 are opened, so that the measuring ruler 3, the support rod 2 and the positioning rod 101 can be parallel, so that the device can be stored and the storage space can be saved.

[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A device for detecting the center height of a corrugated steel guardrail beam, characterized in that: The cam is provided with a first slide block and a second slide block, and the second slide block is provided with a second slide block, the second slide block is provided with a second slide block, and the second slide block is provided with a second slide block.

2. A device for detecting the center height of a corrugated steel guardrail crossbeam as claimed in claim 1, characterized in that: The fixing seat includes a positioning rod, a first guide hole is vertically provided on the positioning rod, a first threaded rod and a second threaded rod connected by a knob are provided on one side of the first guide hole, the thread directions of the first threaded rod and the second threaded rod are opposite, the ends of the first threaded rod and the second threaded rod are connected to the fixing seat, the outer sides of the first threaded rod and the second threaded rod are sleeved with a threaded sliding block, the sliding block is slidably matched with the first guide hole, and a clamping plate is connected to the sliding block.

3. A device for detecting the center height of a corrugated steel guardrail crossbeam as claimed in claim 2, characterized in that: An anti-slip pad is arranged on the side wall of the clamping plate.

4. A device for detecting the center height of a corrugated steel guardrail crossbeam as claimed in claim 1, characterized in that: The sliding seat is provided with a sliding hole which is slidably matched with the support rod, and the side wall of the sliding seat is provided with a locking bolt which is matched with the support rod.

5. A device for detecting the center height of a corrugated steel guardrail crossbeam as claimed in claim 1, characterized in that: A cushion block is provided at the lower end of the measuring ruler.

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