Road guardrail measuring device

Abstract

The utility model relates to the technical field of rural road guardrail measurement, and discloses a road guardrail measuring device which comprises a measuring tape, a tape strip is arranged on the inner wall of the measuring tape, a supporting frame is fixedly connected to the position, close to the upper portion of the tape strip, of the left side of the measuring tape, a tape hook is fixedly connected to the left side of the tape strip, and a protection assembly is arranged on the inner wall of the supporting frame. The protection assembly comprises a sliding groove, the sliding groove is formed in the top end of the supporting frame, a pressing block is inserted into the inner wall of the sliding groove, a sliding rod is fixedly connected to the bottom end of the pressing block, and the sliding rod penetrates through and is slidably connected to the inner wall of the supporting frame. According to the utility model, after the rubber pad II moves downwards and the ruler strip moves downwards to be in contact with the rubber pad I, the rubber pad II is matched with friction with the ruler strip, so that the ruler strip can be slowly contracted, a clockwork spring is prevented from rapidly contracting and rapidly pulling the ruler strip violently, the situation that the ruler strip slides and scratches the hand due to too high speed is prevented, and the risk of scratching is reduced; and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rural road guardrail measurement, in particular to a road guardrail measurement device. Background Art

[0002] With the rapid development of rural road construction, the demand for the measurement and maintenance of road safety facilities is increasing. Guardrails are an important part of rural road safety, and their accurate measurement is of great significance to ensure road safety, so measuring devices are needed, while traditional measurement methods usually use tape measures or laser rangefinders.

[0003] After measuring the guardrails of rural roads with a tape measure, the tape needs to be stored, and usually the tape is stored by a clockwork spring inside the tape measure. However, when the clockwork spring contracts quickly and the tape is retracted, the tape can be easily scratched during operation due to its smooth surface and a certain degree of sharpness, which can cause danger. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a road guardrail measuring device, which aims to improve the problem mentioned in the prior art that "the surface of the ruler is smooth and sharp, and it is easy to scratch the hand when it is quickly rolled up".

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a road guardrail measuring device, comprising a measuring tape, a ruler strip is arranged on the inner wall of the measuring tape, a support frame is fixedly connected to the left side of the measuring tape near the upper side of the ruler strip, a ruler hook is fixedly connected to the left side of the ruler strip, and a protective component is arranged on the inner wall of the supporting frame;

[0006] The protection component includes a slide groove, which is opened at the top of the support frame. A pressing block is inserted into the inner wall of the slide groove. The bottom end of the pressing block is fixedly connected to a sliding rod, and the sliding rod passes through and is slidably connected to the inner wall of the support frame.

[0007] As a further description of the above technical solution:

[0008] A clamping assembly is arranged on the right side of the ruler hook near the bottom of the ruler strip, and the clamping assembly includes a positioning frame, and the positioning frame is fixedly connected to the right side of the ruler hook near the bottom of the ruler strip.

[0009] As a further description of the above technical solution:

[0010] A support groove is provided on the inner wall of the top end of the positioning frame. A clamping block is slidably connected to the inner wall of the support groove. Two groups of clamping blocks are provided. The two groups of clamping blocks are symmetrically arranged with the center line of the positioning frame as the symmetry axis.

[0011] As a further description of the above technical solution:

[0012] A bidirectional threaded rod is passed through and rotatably connected to the middle of the positioning frame, a rotating block is fixedly connected to the front surface of the bidirectional threaded rod, and two groups of clamping blocks are threadedly connected to the outer wall of the bidirectional threaded rod.

[0013] As a further description of the above technical solution:

[0014] The rear surface of the clamping block is fixedly connected with a rubber pad three and two groups are provided. The two groups of rubber pads three are symmetrically arranged with the center line of the clamping block as the symmetry axis. A magnet is fixedly connected between the middle of the rear surface of the clamping block near the two groups of rubber pads three.

[0015] As a further description of the above technical solution:

[0016] The pressing block is elastically connected to the supporting frame via a spring, and the spring is sleeved on the outer wall of the sliding rod.

[0017] As a further description of the above technical solution:

[0018] The bottom end of the pressing block is fixedly connected with a guide block near the front surface of the slide rod. The guide block penetrates and is slidably connected to the bottom end of the support frame. The bottom end of the guide block is fixedly connected with a second rubber pad.

[0019] As a further description of the above technical solution:

[0020] The slide bar is fixedly connected to the middle of the top end of the rubber pad 2, a support plate is fixedly connected to the left side of the tape measure near the bottom of the ruler, and the top end of the support plate is fixedly connected to the rubber pad 1.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by pressing the pressing block, the rubber pad 2 moves downward and squeezes the ruler bar at the same time, so that the ruler bar moves downward and contacts the rubber pad 1, and then the rubber pad 2 and the ruler bar rub against each other, so that the ruler bar can be slowly contracted, and the clockwork spring is prevented from contracting quickly and pulling the ruler bar quickly, and the ruler bar may be prevented from slipping and scratching the hand due to excessive speed, thereby reducing the risk of scratching and improving safety.

[0023] 2. In the utility model, after the two groups of clamping blocks are moved toward the middle by rotating the bidirectional threaded rod, they are clamped on the guardrail, and the magnet is sucked on the guardrail and the rubber pad rubs against the guardrail to increase the friction force, thereby improving the clamping stability of the clamping blocks. At this time, the ruler can be directly moved and pulled for measurement, without the need for two people to hold the measurement, thereby improving the applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0025] Figure 2 It is a cross-sectional schematic diagram of the three-dimensional structure of the support frame in the utility model;

[0026] Figure 3 It is a cross-sectional schematic diagram of the three-dimensional structure of the positioning frame in the utility model.

[0027] Legend:

[0028] 1. Tape measure; 2. Support frame; 3. Positioning frame; 4. Ruler hook; 5. Ruler strip; 21. Pressing block; 22. Support plate; 23. Rubber pad 1; 24. Slide rod; 25. Slide groove; 26. Spring; 27. Rubber pad 2; 28. Guide block; 31. Rotating block; 32. Clamping block; 33. Bidirectional threaded rod; 34. Rubber pad 3; 35. Magnet; 36. Support groove. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1 - Figure 3 , the utility model provides an embodiment: a road guardrail measuring device, including a measuring tape 1, a winding spring is arranged in the measuring tape 1, which is a conventional means in the prior art. When the ruler 5 is pulled, the winding spring in the measuring tape 1 will be stretched, and the ruler 5 can be quickly rolled up by the winding spring. The measuring tape 1 is a prior art and can be implemented by technicians in this field. Since it is a prior art, it will not be described in detail in this case. The inner wall of the measuring tape 1 is provided with a ruler 5, and the measured value can be observed through the ruler 5. The left side of the measuring tape 1 is fixedly connected to the upper side of the ruler 5 to provide support. The left side of the ruler 5 is fixedly connected to a ruler hook 4, which supports the positioning frame 3, and the inner wall of the support frame 2 is provided with a protective component;

[0031] The protective component includes a slide groove 25, which is opened at the top of the support frame 2. A pressing block 21 is inserted into the inner wall of the slide groove 25. Pressing the pressing block 21 can drive the rubber pad 27 to move downward to squeeze the ruler 5 to contact the rubber pad 1 23, thereby increasing the friction with the ruler 5, so that the ruler 5 can be slowly reeled up to avoid scratching the hand too quickly. The bottom end of the pressing block 21 is fixedly connected with a sliding rod 24. The sliding rod 24 cooperates with the spring 26 to quickly reset the pressing block 21 and the rubber pad 2 27. The sliding rod 24 penetrates and is slidably connected to the inner wall of the support frame 2.

[0032] Reference Figure 1 , Figure 3 A clamping assembly is provided on the right side of the ruler hook 4 near the ruler bar 5, and the clamping assembly includes a positioning frame 3, the positioning frame 3 provides support, the positioning frame 3 is fixedly connected to the right side of the ruler hook 4 near the ruler bar 5 below, a supporting groove 36 is provided on the inner wall of the top of the positioning frame 3, and the supporting clamping block 32 is supported and moved, and the inner wall of the supporting groove 36 is slidably connected with the clamping block 32 and two groups are provided, and the two groups of clamping blocks 32 are symmetrically arranged with the center line of the positioning frame 3 as the axis of symmetry, and the clamping blocks 32 can cooperate with the magnet 35 and the rubber pad three 34 to clamp the guardrail, and a bidirectional threaded rod 33 is passed through and rotatably connected to the middle part of the positioning frame 3, and the bidirectional threaded rod 33 is rotated to make the two groups of clamping blocks 32 move inward at the same time to clamp the guardrail, and a rotating block 31 is fixedly connected to the front surface of the bidirectional threaded rod 33, and the rotating block 31 can drive the bidirectional threaded rod 33 to rotate, and the outer wall of the rotating block 31 is provided with an anti-sliding block.

[0033] Furthermore, two groups of clamping blocks 32 are threadedly connected to the outer wall of the bidirectional threaded rod 33, and the rear surface of the clamping block 32 is fixedly connected with a rubber pad three 34 and two groups are provided. The rubber pad three 34 is set to a rubber material, and the two groups of rubber pads three 34 are symmetrically arranged with the center line of the clamping block 32 as the symmetry axis. A magnet 35 is fixedly connected between the middle part of the rear surface of the clamping block 32 near the two groups of rubber pads three 34. The magnet 35 can be sucked on the guardrail to cooperate with the rubber pad three 34 to increase friction after contacting the guardrail, thereby increasing the stability of clamping and improving the accuracy of measurement. At the same time, one person can perform measurement without the need for two people to pull and measure.

[0034] Reference Figure 1 , Figure 2 The pressing block 21 is elastically connected to the support frame 2 through a spring 26. After the pressing block 21 moves downward to squeeze the spring 26, the reverse force of the spring 26 being squeezed can quickly reset the pressing block 21 and the rubber pad 27. The spring 26 is sleeved on the outer wall of the slide bar 24. The bottom end of the pressing block 21 is fixedly connected with a guide block 28 near the front surface of the slide bar 24. The guide block 28 can drive the rubber pad 27 to move downward and increase stability. The guide block 28 penetrates and is slidably connected to the bottom end of the support frame 2. The guide block 28 The bottom end of the measuring tape 1 is fixedly connected with a rubber pad 27, which is made of rubber material. The rubber pad 27 cooperates with the rubber pad 1 23 to rub against the ruler 5, so that the ruler 5 can be slowly reeled up to prevent the hands from being scratched by reeling up too quickly, thereby improving safety. The sliding rod 24 is fixedly connected to the middle of the top of the rubber pad 27, and the left side of the measuring tape 1 near the bottom of the ruler 5 is fixedly connected with a support plate 22, and the top of the support plate 22 is fixedly connected with a rubber pad 1 23, which is made of rubber material, and the support plate 22 supports the rubber pad 1 23.

[0035] Working principle: When in use, the bidirectional threaded rod 33 is driven to rotate by rotating the rotating block 31, and the bidirectional threaded rod 33 is threadedly connected with the two groups of clamping blocks 32, so that the two groups of clamping blocks 32 move toward the middle and contact the guardrail, and then are clamped on the guardrail, and contact the guardrail through the magnet 35. The guardrail is generally made of cast iron, so that the magnet 35 is sucked on the guardrail, and at the same time, the rubber pad 34 contacts the guardrail to increase the friction with the guardrail, thereby improving the clamping stability. At this time, the tape measure 1 can be directly moved to pull the ruler 5 to perform measurement, and there is no need for two people to pull for measurement, which improves applicability.

[0036] When the measurement is completed, the rotating block 31 is rotated to drive the clamping block 32 to move and release the clamping of the guardrail. At this time, the pressing block 21 is pressed downward to drive the sliding rod 24 and the guide block 28 to move downward. The pressing block 21 moves the extrusion spring 26. At the same time, the sliding rod 24 and the guide block 28 move to drive the rubber pad 27 to move downward to squeeze the ruler 5, so that the ruler 5 moves downward and contacts the rubber pad 1 23. At this time, the ruler 5 can be loosened and the ruler 5 can be quickly reeled up through the spring in the measuring tape 1. At this time, the rubber pad 27 and the rubber pad 1 23 can cooperate to contact the ruler 5 to increase the friction with the ruler 5, so that the ruler 5 can slowly contract, avoiding the rapid contraction of the spring and quickly pulling the ruler 5, and preventing the ruler 5 from slipping and scratching the hand due to excessive speed, thereby reducing the risk of scratches and improving safety.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A road guardrail measuring device, comprising a measuring tape (1), characterized in that: The inner wall of the measuring tape (1) is provided with a ruler strip (5), the left side of the measuring tape (1) is fixedly connected to a support frame (2) near the top of the ruler strip (5), the left side of the ruler strip (5) is fixedly connected to a ruler hook (4), and the inner wall of the support frame (2) is provided with a protective component; The protective component comprises a slide groove (25), wherein the slide groove (25) is arranged at the top end of the support frame (2), a pressing block (21) is inserted into the inner wall of the slide groove (25), a sliding rod (24) is fixedly connected to the bottom end of the pressing block (21), and the sliding rod (24) passes through and is slidably connected to the inner wall of the support frame (2).

2. A road guardrail measuring device according to claim 1, characterized in that: A clamping assembly is provided on the right side of the ruler hook (4) near the bottom of the ruler bar (5), and the clamping assembly comprises a positioning frame (3). The positioning frame (3) is fixedly connected to the right side of the ruler hook (4) near the bottom of the ruler bar (5).

3. A road guardrail measuring device according to claim 2, characterized in that: A support groove (36) is provided on the inner wall of the top end of the positioning frame (3), and two groups of clamping blocks (32) are slidably connected to the inner wall of the support groove (36). The two groups of clamping blocks (32) are symmetrically arranged with the center line of the positioning frame (3) as the symmetry axis.

4. A road guardrail measuring device according to claim 3, characterized in that: A bidirectional threaded rod (33) passes through the middle of the positioning frame (3) and is rotatably connected thereto. A rotating block (31) is fixedly connected to the front surface of the bidirectional threaded rod (33). Two groups of clamping blocks (32) are threadedly connected to the outer wall of the bidirectional threaded rod (33).

5. A road guardrail measuring device according to claim 3, characterized in that: The rear surface of the clamping block (32) is fixedly connected with a rubber pad three (34) and two groups of rubber pads three (34) are provided. The two groups of rubber pads three (34) are symmetrically arranged with the center line of the clamping block (32) as the symmetry axis. A magnet (35) is fixedly connected between the middle part of the rear surface of the clamping block (32) and close to the two groups of rubber pads three (34).

6. A road guardrail measuring device according to claim 1, characterized in that: The pressing block (21) is elastically connected to the support frame (2) via a spring (26), and the spring (26) is sleeved on the outer wall of the sliding rod (24).

7. A road guardrail measuring device according to claim 1, characterized in that: The bottom end of the pressing block (21) is fixedly connected to a guide block (28) near the front surface of the sliding rod (24); the guide block (28) penetrates and is slidably connected to the bottom end of the supporting frame (2); the bottom end of the guide block (28) is fixedly connected to a rubber pad 2 (27).

8. A road guardrail measuring device according to claim 1, characterized in that: The slide bar (24) is fixedly connected to the middle of the top end of the rubber pad 2 (27); a support plate (22) is fixedly connected to the left side of the measuring tape (1) below the ruler (5); and a rubber pad 1 (23) is fixedly connected to the top end of the support plate (22).

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