Steel strand tension detection device

Abstract

The utility model relates to the technical field of steel strand tension detection, and discloses a steel strand tension detection device which comprises a detection box and supporting legs, a moving assembly is arranged in an inner cavity of the detection box, the moving assembly comprises a driving motor, the output shaft end of the driving motor is fixedly connected with a bidirectional screw rod, two sliding blocks are symmetrically arranged on the bidirectional screw rod in a sliding mode, and the two sliding blocks are arranged on the supporting legs. Limiting rods are fixedly connected to the detection box and located on the two sides of the bidirectional lead screw, two sets of limiting blocks are symmetrically arranged on the limiting rods in a sliding mode, connecting plates are fixedly connected to the tops of the sliding blocks and the limiting blocks, tension sensors are fixedly connected to the tops of the connecting plates, and detection rods are fixedly installed on the opposite side wall faces of each set of tension sensors. The opposite ends of the detection rods are provided with clamping assemblies. According to the utility model, a plurality of steel strands are fixed through the clamping assembly, and the driving motor is started to enable the two groups of sliding blocks to relatively move on the bidirectional screw rod, so that the position of the tension sensor is adjusted, and then tension detection can be carried out on the plurality of groups of steel strands, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel strand tension detection, in particular to a steel strand tension detection device. Background Art

[0002] Steel strand is a steel product composed of multiple steel wires twisted together. According to its use, it can be divided into prestressed steel strand for power, galvanized steel strand and stainless steel strand. After the production of steel strand is completed, in order to detect whether the steel strand meets the use requirements, it will be subjected to tension testing before being put on the market. Tensile testing often uses a dedicated tension testing device, but the existing steel strand tension testing device can only detect the tension value of the steel strand, but cannot detect the tension value of multiple steel strands, which reduces the efficiency of tension testing.

[0003] To this end, we propose a steel strand tension detection device. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a steel strand tension detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a steel strand tension detection device, including a detection box and a supporting leg, a moving component is provided in the inner cavity of the detection box, the moving component includes a driving motor, a bidirectional screw is fixedly connected to the output shaft end of the driving motor, two sliders are slidably symmetrically provided on the bidirectional screw, a limit rod is fixedly connected to the detection box and located on both sides of the bidirectional screw, two groups of limit blocks are slidably symmetrically provided on the limit rod, the tops of the sliders and the limit blocks are fixedly connected to connecting plates, the tops of the connecting plates are fixedly connected to a number of tension sensors, a detection rod is fixedly installed on the opposite side wall surface of each group of tension sensors, a clamping component is provided on the opposite end of the detection rod, the clamping component includes a clamping frame, a fastening screw is threadedly connected to the top of the clamping frame, an extrusion plate is fixedly connected to the bottom of the fastening screw, and a rubber protective layer is fixedly connected to the bottom of the extrusion plate.

[0006] Preferably, a placement component is provided at the bottom of the inner cavity of the clamping frame, and the placement component includes an arc-shaped groove opened at the bottom of the inner cavity of the clamping frame, and an anti-slip hemisphere is fixedly connected to the inner wall of the arc-shaped groove.

[0007] Preferably, the other end of the bidirectional lead screw is rotatably connected to the side wall of the inner cavity of the detection box away from the drive motor, and the threads on the left and right ends of the bidirectional lead screw are in opposite directions.

[0008] Preferably, the number of the sliding blocks, the number of the limiting rods and the number of the connecting plates are two each, and the number of the limiting blocks is four.

[0009] Preferably, the bottom of the fastening screw passes through the inner cavity of the clamping frame.

[0010] Preferably, a transparent protective door is hinged on the detection box.

[0011] Preferably, the clamping frame is a "C"-shaped structure.

[0012] Beneficial Effects

[0013] The utility model provides a steel strand tension detection device, which has the following beneficial effects:

[0014] (1) The steel strand tension detection device fixes multiple steel strands through a clamping assembly, starts a driving motor so that a bidirectional lead screw drives two sets of sliders to move relative to each other on the bidirectional lead screw, thereby adjusting the position of a tension sensor. The data value of the tension test is displayed on the tension sensor, and then tension detection can be performed on multiple sets of steel strands, thereby improving detection efficiency.

[0015] (2) The steel strand tension detection device can increase the friction with the steel strand by placing the steel strand in the inner cavity of the arc groove and cooperating with the anti-slip hemisphere, thereby preventing the two ends of the steel strand from falling off.

[0016] (3) The steel strand tension testing device has a transparent protective door hinged on the testing box. The transparent protective door can prevent the steel strand from being broken during the tension testing process and from popping out due to the loss of tension, which can easily cause a safety accident. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the inner cavity of the detection box structure of the utility model;

[0021] Figure 3This is a schematic diagram of the structural details of the tension sensor of the utility model.

[0022] Legend:

[0023] 1. Detection box; 2. Support legs; 3. Transparent protective door; 4. Moving assembly; 41. Driving motor; 42. Bidirectional screw; 43. Sliding block; 44. Limit rod; 45. Limit block; 5. Connecting plate; 6. Tension sensor; 7. Detection rod; 8. Clamping assembly; 81. Clamping frame; 82. Fastening screw; 83. Extrusion plate; 84. Rubber protective layer; 9. Placement assembly; 91. Arc groove; 92. Anti-slip hemisphere. 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] Embodiment: A steel strand tension detection device, such as Figure 1-Figure 3 As shown, it includes a detection box 1 with an overall rectangular structure, and support legs 2 are fixedly connected to the four end points of the bottom of the detection box 1. A transparent protective door 3 is hinged on the detection box 1. A moving component 4 is provided in the inner cavity of the detection box 1. The moving component 4 includes a driving motor 41 fixedly connected to the outer wall of the detection box 1, and the output shaft end of the driving motor 41 is fixedly connected to a bidirectional screw rod 42, and the other end of the bidirectional screw rod 42 is rotatably connected to the side wall of the inner cavity of the detection box 1 away from the driving motor 41. The left and right ends of the bidirectional screw rod 42 have opposite thread directions, and two sliders 43 are slidably symmetrically provided on the bidirectional screw rod 42. Limit rods 44 are fixedly connected on both sides of the detection box 1 and located on the two sides of the bidirectional screw rod 42, and two limit blocks 45 are slidably symmetrically provided on the two limit rods 44. The left slider 43 and the top of the two limit blocks 45 on the left side, as well as the right slider 43 and the top of the two limit blocks 45 on the right side are longitudinally fixedly connected with a connecting plate 5 with a rectangular structure.

[0026] A plurality of tension sensors 6 are fixedly connected to the top of the left connecting plate 5 and the right connecting plate 5, and a detection rod 7 is fixedly installed on the opposite side wall surface of each group of tension sensors 6. A clamping assembly 8 is provided at the opposite end of the detection rod 7, and the clamping assembly 8 includes a clamping frame 81 fixedly connected to the detection rod 7. The clamping frame 81 is a "C"-shaped structure as a whole. A fastening screw 82 is threadedly connected to the top of the clamping frame 81, and the bottom of the fastening screw 82 passes through the inner cavity of the clamping frame 81 and is fixedly connected to an extrusion plate 83. The bottoms of the two extrusion plates 83 are fixedly connected to a rubber protective layer 84. A placement assembly 9 is provided at the bottom of the inner cavity of the clamping frame 81. The placement assembly 9 includes an arc groove 91 opened at the bottom of the inner cavity of the clamping frame 81, and a plurality of anti-slip hemispheres 92 are fixedly connected to the wall surface of the inner cavity of the arc groove 91.

[0027] The working principle of this utility model:

[0028] When in use, the left ends of multiple steel strands are placed in the inner cavity of the left clamping frame 81, and the left fastening screw 82 is tightened until the extrusion plate 83 fixes the left end of the steel strand. Then, the right ends of the steel strands are placed in the inner cavity of the right clamping frame 81, and the multiple fastening screws 82 on the right are tightened until the extrusion plate 83 fixes the right end of the steel strand. The drive motor 41 is started so that the bidirectional screw rod 42 drives the two groups of sliders 43 to move relative to each other on the bidirectional screw rod 42, thereby adjusting the position of the tension sensor 6. The data value of the tension test is displayed on the tension sensor 6, and then tension detection can be performed on multiple groups of steel strands, thereby improving the detection efficiency.

[0029] When in use, by placing the steel strand in the inner cavity of the arc groove 91 and cooperating with the anti-slip hemisphere 92, the friction force with the steel strand can be increased to prevent the two ends of the steel strand from falling off.

[0030] When in use, a transparent protective door 3 is hinged on the detection box 1, and the transparent protective door 3 is set to prevent the steel strand from being broken during the tension test and popping out due to the loss of tension, which may easily cause a safety accident.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A steel strand tension detection device, comprising a detection box (1) and a support leg (2), characterized in that: The inner cavity of the detection box (1) is provided with a moving assembly (4), the moving assembly (4) comprising a driving motor (41), the output shaft end of the driving motor (41) is fixedly connected to a bidirectional screw rod (42), two sliding blocks (43) are slidably symmetrically arranged on the bidirectional screw rod (42), limiting rods (44) are fixedly connected to both sides of the detection box (1) and located on the bidirectional screw rod (42), two groups of limiting blocks (45) are slidably symmetrically arranged on the limiting rods (44), and the tops of the sliding blocks (43) and the limiting blocks (45) are fixedly connected to A connecting plate (5) is fixedly connected to the top of the connecting plate (5), a plurality of tension sensors (6) are fixedly installed on the side wall surface opposite to each group of tension sensors (6), a clamping assembly (8) is provided at the opposite end of the detection rod (7), and the clamping assembly (8) comprises a clamping frame (81), a fastening screw (82) is threadedly connected to the top of the clamping frame (81), an extrusion plate (83) is fixedly connected to the bottom of the fastening screw (82), and a rubber protective layer (84) is fixedly connected to the bottom of the extrusion plate (83).

2. The steel strand tension detection device according to claim 1, characterized in that: A placement component (9) is provided at the bottom of the inner cavity of the clamping frame (81), and the placement component (9) comprises an arc-shaped groove (91) provided at the bottom of the inner cavity of the clamping frame (81), and an anti-slip hemisphere (92) is fixedly connected to the inner cavity wall surface of the arc-shaped groove (91).

3. The steel strand tension detection device according to claim 1, characterized in that: The other end of the bidirectional screw rod (42) is rotatably connected to a side wall of the inner cavity of the detection box (1) away from the drive motor (41), and the threads at the left and right ends of the bidirectional screw rod (42) are in opposite directions.

4. The steel strand tension detection device according to claim 1, characterized in that: The number of the sliding block (43), the limiting rod (44) and the connecting plate (5) is two each, and the number of the limiting blocks (45) is four.

5. The steel strand tension detection device according to claim 1, characterized in that: The bottom of the fastening screw (82) passes through the inner cavity of the clamping frame (81).

6. The steel strand tension detection device according to claim 1, characterized in that: A transparent protective door (3) is hinged on the detection box (1).

7. The steel strand tension detection device according to claim 1, characterized in that: The clamping frame (81) is a "C"-shaped structure.

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