Ultrasonic testing bracket for concrete test pieces with various shapes and sizes

Abstract

The utility model discloses an ultrasonic testing bracket for concrete test pieces with various shapes and sizes, and belongs to the technical field of safety detection of concrete test pieces. The ultrasonic testing bracket comprises a base bracket, a loading bracket and a sensor bracket, according to the utility model, the test operation difficulty is reduced, the personnel allocation is reduced, the test efficiency is improved, the accurate measurement and transformation of the test point of the test piece can be realized, the test error is reduced, a test platform capable of bearing concrete test pieces with various shapes and sizes is provided, and the universality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete specimen safety detection, and particularly relates to an ultrasonic testing bracket for concrete specimens of various shapes and sizes. Background Art

[0002] In order to ensure the safety of the standard concrete specimens used, ultrasonic detection is often used to measure the modulus and strength of concrete specimens, evaluate the uniformity of material distribution, and evaluate whether there are defects such as pores and cracks. However, when using a non-metallic ultrasonic detector for testing, two people are required to cooperate. One person ensures that the two ultrasonic test probes are aligned on the axis of the two ends of the test specimen and always remain on the same central axis. Then the other person uses the instrument to sample data. This manual alignment method has a great deal of randomness, resulting in greater discreteness of the data. At the same time, in the process of measuring multiple points on the same side, it is also very important to ensure the accuracy of the movement. If it is ignored, it will lead to large errors, thus affecting the accuracy of the measurement.

[0003] At present, the utility model patent with publication number CN209764803 discloses an ultrasonic test bracket for asphalt concrete specimens, which includes a load-bearing bracket and a test bracket. However, the load-bearing bracket is only suitable for bearing cylindrical asphalt concrete specimens, and cannot effectively fix non-cylindrical concrete specimens and smaller concrete specimens, which reduces its versatility. The utility model patent with publication number CN201821176830 discloses an ultrasonic test bracket, which moves the test piece to be tested to a base for testing. A column and a ruler are set up on one side, and the bottom sensor probe relies on the gravity of the test piece to be close to the test point. This puts forward requirements on the size and weight of the test piece, and it is also very easy to damage the bottom sensor probe. In order to solve these problems, the utility model proposes an ultrasonic test bracket for concrete specimens of various shapes and sizes. Summary of the invention

[0004] The purpose of the utility model is to solve the problems mentioned in the above background technology and to provide an ultrasonic testing bracket for concrete specimens of various shapes and sizes.

[0005] An ultrasonic testing bracket for concrete specimens of various shapes and sizes, comprising a base bracket, a load bracket and a sensor bracket;

[0006] The base support comprises a horizontal beam, a longitudinal beam and a vertical beam, wherein the horizontal beam and the longitudinal beam are arranged on the same plane, the vertical beam is perpendicular to the plane, and the longitudinal beam is a hollow structure;

[0007] The object carrier includes two object carrier rods and two sliding blocks. The object carrier rods are fixed on the sliding blocks. A through hole is respectively provided at the bottom of the two sliding blocks. The shape of the through hole corresponds to the cross section of the longitudinal beam of the base bracket. The two sliding blocks are inserted into the longitudinal beam of the base bracket through the through hole. The object carrier rods slide freely along the longitudinal beam under the drive of the sliding blocks. The top of the object carrier rods is used to carry the object to be tested. The sliding blocks slide freely on the longitudinal beam through the square through hole. The distance between the two object carrier rods can be adjusted to adapt to the test pieces of different shapes and sizes, and the relative position of the object to be tested relative to the probe ring can be adjusted.

[0008] The sensor bracket comprises a cross bar, a longitudinal bar, two probe mounting frames and two probe rings. The longitudinal bar is vertically arranged in the middle position of the cross bar. The cross section of the longitudinal bar corresponds to the cross section of the hollow structure of the longitudinal beam of the base bracket. One end of the two probe mounting frames is sleeved on the cross bar, and a fastening screw is provided at each sleeve connection. The longitudinal bar of the sensor bracket is sleeved in the longitudinal beam of the base bracket, and the longitudinal bar and the longitudinal beam are fixed together by a locking screw to adjust different points to be tested on the same surface to be tested. A length scale is provided on the upper surface of the cross bar, and two probe rings are respectively fixedly arranged on the other ends of the two probe mounting frames, and each probe ring is respectively provided with a probe locking screw. The two probe mounting frames can drive the two probe rings to slide freely on the cross bar, and can adapt to test surfaces of different widths of the test piece.

[0009] The cross section of the longitudinal beam of the base support is rectangular, and the through holes provided on the two sliding blocks correspond in size and shape to the cross section of the longitudinal beam.

[0010] Three identical rubber supports are arranged at the bottom of the cross beam and the longitudinal beam of the base support, and the base support is stably installed on the foundation through the rubber supports.

[0011] The working principle and working process of this utility model:

[0012] Adjust the distance between the two sensor brackets and the distance between the two probe rings simultaneously; adjust the distance between the two loading rods of the loading bracket and place the test piece on the loading bracket; adjust the height of the sensor bracket and the distance between the loading bracket as a whole and the vertical beam of the base bracket; fix the sensor probe in the probe ring, slide the sensor bracket inward, make the sensor probe close to the test piece and then fix the sensor bracket.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model reduces the difficulty of test operation, reduces the allocation of personnel, and improves the test efficiency.

[0015] 2. The utility model can realize accurate measurement and transformation of the test points of the test piece, thus reducing the test error.

[0016] 3. The utility model provides a test platform that can carry concrete test pieces of various shapes and sizes, thereby improving versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0018] Figure 2 This is a schematic diagram of the base bracket structure of an embodiment of the utility model.

[0019] Figure 3 This is a schematic diagram of the sensor bracket structure of an embodiment of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the object carrier according to an embodiment of the utility model. DETAILED DESCRIPTION

[0021] See also Figures 1 to 4 Shown is an embodiment of the utility model.

[0022] An ultrasonic testing bracket for concrete specimens of various shapes and sizes, comprising a base bracket 1, a carrier bracket 2 and a sensor bracket 3;

[0023] The base support 1 comprises a cross beam 11, a longitudinal beam 12 and a vertical beam 13. The cross beam 11 and the longitudinal beam 12 are arranged on the same plane, the vertical beam 13 is perpendicular to the plane, and the longitudinal beam 12 is a hollow structure;

[0024] The object carrier 2 comprises two object carrier rods 21 and two sliding blocks 22. The object carrier rods 21 are fixedly arranged on the sliding blocks 22. A through hole 23 is respectively opened at the lower part of the two sliding blocks 22. The shape of the through hole 23 corresponds to the cross section of the longitudinal beam 12 of the base bracket 1. The two sliding blocks 22 are inserted into the longitudinal beam 12 of the base bracket 1 through the through holes 23. The object carrier rods 21 slide freely along the longitudinal beam 2 under the drive of the sliding blocks 22.

[0025] The sensor bracket 3 comprises a cross bar 31, a longitudinal bar 32, two probe mounting brackets 33 and two probe rings 35. The longitudinal bar 32 is vertically arranged in the middle position of the cross bar 31. The cross section of the longitudinal bar 32 corresponds to the hollow structure cross section of the longitudinal beam 12 of the base bracket 1. One end of the two probe mounting brackets 33 is sleeved on the cross bar 31, and a fastening screw 34 is provided at each sleeve connection; the longitudinal bar 32 of the sensor bracket 3 is sleeved in the longitudinal beam 12 of the base bracket 1, and the longitudinal bar 32 and the longitudinal beam 12 are fixed together by a locking screw 15. The upper surface of the cross bar 31 is provided with a length scale, and the two probe rings 35 are respectively fixedly arranged at the other end of the two probe mounting brackets 33, and each probe ring 35 is respectively provided with a probe locking screw 36; the two probe mounting brackets 33 can drive the two probe rings 35 to slide freely on the cross bar 31.

[0026] The longitudinal beam 12 of the base support 1 has a rectangular cross section, and the through holes 23 formed on the two sliding blocks 22 correspond in size and shape to the cross section of the longitudinal beam 12 .

[0027] Three identical rubber supports 14 are provided at the bottom of the cross beam 11 and the longitudinal beam 12 of the base support 1 .

[0028] The working principle and working process of this embodiment:

[0029] Adjust the distance between the two sensor brackets 3, and simultaneously adjust the distance between the two probe rings 35; adjust the distance between the two carrier rods 21 of the carrier bracket 2, and place the test piece on the carrier bracket 2; adjust the height of the sensor bracket 3, and adjust the distance between the carrier bracket 2 as a whole and the vertical beam 12 of the base bracket 1; fix the sensor probe in the probe ring 35, slide the sensor bracket 3 inward, make the sensor probe close to the test piece, and then fix the sensor bracket 3.

Claims

1. An ultrasonic testing bracket for concrete specimens of various shapes and sizes, characterized by: It comprises a base bracket (1), an object bracket (2) and a sensor bracket (3); The base support (1) comprises a cross beam (11), a longitudinal beam (12) and a vertical beam (13); the cross beam (11) and the longitudinal beam (12) are arranged on the same plane, the vertical beam (13) is perpendicular to the plane, and the longitudinal beam (12) is a hollow structure; The object carrier (2) comprises two object carrier rods (21) and two sliding blocks (22); the object carrier rods (21) are fixedly arranged on the sliding blocks (22); a through hole (23) is respectively formed at the lower part of the two sliding blocks (22); the shape of the through hole (23) corresponds to the cross section of the longitudinal beam (12) of the base bracket (1); the two sliding blocks (22) are inserted into the longitudinal beam (12) of the base bracket (1) through the through holes (23); the object carrier rods (21) slide freely along the longitudinal beam (12) driven by the sliding blocks (22); The sensor bracket (3) comprises a crossbar (31), a longitudinal bar (32), two probe mounting brackets (33) and two probe rings (35), wherein the longitudinal bar (32) is vertically arranged in the middle of the crossbar (31), and the cross section of the longitudinal bar (32) corresponds to the cross section of the hollow structure of the longitudinal beam (12) of the base bracket (1), and one end of the two probe mounting brackets (33) is sleeved on the crossbar (31), and a fastening screw (34) is provided at each sleeve connection; the longitudinal bar (32) of the sensor bracket (3) ) is inserted into the longitudinal beam (12) of the base bracket (1), and the longitudinal rod (32) and the longitudinal beam (12) are fixed together by a locking screw (15). The upper surface of the cross bar (31) is provided with a length scale. Two probe rings (35) are respectively fixedly arranged at the other end of the two probe mounting frames (33), and each probe ring (35) is respectively provided with a probe locking screw (36); the two probe mounting frames (33) can drive the two probe rings (35) to slide freely on the cross bar (31).

2. The ultrasonic testing bracket for concrete specimens of various shapes and sizes according to claim 1, characterized in that: The longitudinal beam (12) of the base support (1) has a rectangular cross section, and the through holes (23) provided on the two sliding blocks (22) correspond in size and shape to the cross section of the longitudinal beam (12).

3. The ultrasonic testing bracket for concrete specimens of various shapes and sizes according to claim 1, characterized in that: Three identical rubber supports (14) are arranged at the bottom of the cross beam (11) and the longitudinal beam (12) of the base support (1).

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