Steel strand straightness measuring device

Abstract

The utility model discloses a steel strand straightness measuring device which comprises a base, supporting legs are fixedly installed at the lower end of the base, and the supporting legs support the base. The stretching assemblies are installed on the inner sides of the fixing plates, and the fixing plates are fixedly installed on the left side and the right side of the base; the clamping assembly is mounted at the upper end of the stretching assembly; the two ends of the workpiece are connected to the inner sides of the clamping assemblies. According to the steel strand straightness measuring device, when a steel strand workpiece needs to be clamped and fixed, the two ends of the steel strand workpiece are firstly placed on the inner sides of the corresponding clamping seats, then a fastening bolt is manually rotated, the fastening bolt rotates along the inner side of a threaded groove and abuts against a clamping plate, and a sliding block at the bottom of the clamping plate slides along the inner side of a sliding groove; the clamping seat is arranged on the clamping base and attached to the outer side of the workpiece, the workpiece is extruded and limited, and the workpiece is fixed to the inner side of the clamping seat, so that the workpiece is conveniently measured, and position deviation during measurement is avoided.

Description

Technical Field

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

[0002] Steel strand is a relatively soft metal product made of multiple steel wires or steel strands. It is widely used in bridges, buildings, water conservancy, energy, geotechnical engineering, etc. After the steel strand is produced, its straightness needs to be tested, so a steel strand straightness measuring device is needed.

[0003] A steel strand straightness measuring device with application number CN202221921328.3 is provided to solve the problem of large measurement error caused by lack of dedicated steel strand straightness measuring device in the prior art, so a steel strand straightness measuring device is provided, including a rectangular slide rail with a slide groove thereon and a digital depth gauge horizontally arranged on the upper surface of the slide rail and slidably connected to the slide rail, the digital depth gauge includes a dial, a base and a probe, the bottom of the base of the digital depth gauge is flush with the rear side of the slide rail, and the two sides of the slide rail in the length direction are parallel and fixedly connected with ferromagnetic sheets, and the rear ends of the two ferromagnetic sheets are flush with the rear side of the slide rail. The device is simple to operate, convenient and reliable, with high measurement efficiency and small measurement error.

[0004] However, when stretching the two ends of the steel strand, the device only relies on the sliding of the T-nut on the inner side of the slide rail. When sliding, there is neither a structure to adjust the sliding distance nor a structure to fix the two ends of the steel strand, which will affect the measurement accuracy and effect.

[0005] In view of the above problems, it is urgently necessary to carry out innovative design based on the original structure of the steel strand straightness measuring device. Utility Model Content

[0006] The purpose of the utility model is to provide a steel strand straightness measuring device to solve the problem proposed in the above background technology that the device only relies on the sliding of T-nuts on the inner side of the slide rail when stretching the two ends of the steel strand, and there is neither a structure for adjusting the sliding distance nor a structure for fixing the two ends of the steel strand during sliding, which will affect the measurement accuracy and effect during measurement.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel strand straightness measuring device, comprising a base, a support leg is fixedly installed at the lower end of the base, and the support leg provides support for the base; a stretching assembly, the stretching assembly is installed on the inner side of a fixed plate, and the fixed plate is fixedly installed on the left and right sides of the base; a clamping assembly, the clamping assembly is installed on the upper end of the stretching assembly; a workpiece, both ends of the workpiece are connected to the inner side of the clamping assembly; a digital depth gauge, the digital depth gauge is fixedly installed on the upper end of the base, and the digital depth gauge and the maximum natural arrow height of the workpiece are distributed in upper and lower correspondence; wherein, by driving the stretching assembly, the stretching assembly can drive the clamping assemblies at both ends to move left and right; through the clamping assembly, both ends of the workpiece can be clamped and fixed.

[0008] Preferably, the stretching assembly includes a servo motor, a counter-rotating threaded rod, a threaded connector and an adjustment plate, the servo motor is fixedly mounted on the outside of the left fixed plate, and the counter-rotating threaded rod is fixedly mounted on the output end of the servo motor, and the left and right ends of the counter-rotating threaded rod are threadedly connected with threaded connectors, and the adjustment plate is fixedly mounted on the outside of the threaded connector.

[0009] Preferably, the adjustment plates are arranged in two groups symmetrically about the midpoint of the base.

[0010] Preferably, the stretching assembly further comprises a guide rod and a guide block, wherein the guide rod is fixedly mounted on the inner side of the fixing plate, and the guide block is nested on the outer side of the guide rod, and the guide block is fixedly mounted on the outer side of the adjusting plate.

[0011] Preferably, the clamping assembly comprises a rotating shaft and a clamping seat, the rotating shaft is rotatably connected to the upper end of the adjustment plate, and the clamping seat is fixedly installed on the outer side of the rotating shaft.

[0012] Preferably, the clamping assembly further comprises a slide groove, a sliding block and a clamping plate, the slide groove is arranged inside the clamping seat, the sliding block is nested inside the slide groove, and the clamping plate is fixedly mounted on the upper end of the sliding block.

[0013] Preferably, the clamping assembly further comprises a threaded groove and a fastening bolt, wherein the threaded groove is provided on the inner side of the clamping seat, and the fastening bolt is threadedly connected to the inner side of the threaded groove, and the tail end of the fastening bolt is distributed correspondingly to the clamping plate on the left and right.

[0014] Compared with the prior art, the utility model has the beneficial effect that the steel strand straightness measuring device is provided with:

[0015] 1. Adjustment structure. When the straightness of the steel strand workpiece needs to be measured, the two ends of the workpiece are clamped by the clamping assembly. After the fixation is completed, the servo motor is operated. The output end of the servo motor drives the counter-rotating threaded rod to rotate. The rotation of the counter-rotating threaded rod drives the threaded connectors connected at both ends to move in the opposite direction, thereby driving the two ends of the workpiece to stretch. During the stretching, the maximum natural sagittal point of the workpiece will move downward and squeeze the measuring needle of the digital depth gauge at the lower end. At this time, when the measuring needle touches the surface of the workpiece, the sensor inside the digital depth gauge will capture this information and convert it into a digital reading, so as to judge the straightness of the steel strand according to the displayed number;

[0016] 2. Clamping structure. When the steel strand workpiece needs to be clamped and fixed, first place the two ends of the steel strand workpiece on the inside of the corresponding clamping seat, then manually turn the fastening bolt, the fastening bolt rotates along the inside of the thread groove and contacts the clamping plate, the sliding block at the bottom of the clamping plate slides along the inside of the slide groove and fits on the outside of the workpiece, squeezes and limits the workpiece, and fixes it on the inside of the clamping seat, so as to facilitate the measurement of the workpiece and avoid position deviation during measurement;

[0017] Furthermore, the clamping seat is rotatably connected to the upper end of the adjustment plate via a rotating shaft. When the two ends of the workpiece are stretched, the clamping seat will adjust the angle following the angle change of the workpiece, thereby improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the stretching component of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the clamping assembly of the utility model;

[0022] Figure 5 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. base; 2. support leg; 3. fixing plate; 4. stretching assembly; 401. servo motor; 402. counter-threaded rod; 403. threaded connector; 404. adjustment plate; 405. guide rod; 406. guide block; 5. clamping assembly; 501. rotating shaft; 502. clamping seat; 503. slide groove; 504. sliding block; 505. clamping plate; 506. threaded groove; 507. fastening bolt; 6. workpiece; 7. digital depth gauge. 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] See also Figure 1-Figure 5 The utility model provides a technical solution: a steel strand straightness measuring device, comprising:

[0026] Embodiment 1: Figure 1-Figure 3 The technical scheme shown in the utility model provides a technical scheme: a steel strand straightness measuring device, which discloses: a base 1, a support leg 2 is fixedly installed at the lower end of the base 1, and the support leg 2 provides support for the base 1; a stretching assembly 4, the stretching assembly 4 is installed on the inner side of a fixed plate 3, and the fixed plate 3 is fixedly installed on the left and right sides of the base 1; a clamping assembly 5, the clamping assembly 5 is installed on the upper end of the stretching assembly 4; a workpiece 6, both ends of the workpiece 6 are connected to the inner side of the clamping assembly 5; a digital depth gauge 7, the digital depth gauge 7 is fixedly installed on the upper end of the base 1, and the digital depth gauge 7 and the maximum natural arrow height of the workpiece 6 are distributed in a corresponding manner up and down; wherein, the stretching assembly 4 is driven, and the stretching assembly 4 can drive the clamping assemblies 5 at both ends to move left and right; the two ends of the workpiece 6 can be clamped and fixed by the clamping assembly 5;

[0027] The stretching assembly 4 includes a servo motor 401, a different-direction threaded rod 402, a threaded connector 403 and an adjustment plate 404. The servo motor 401 is fixedly installed on the outside of the left fixed plate 3, and the different-direction threaded rod 402 is fixedly installed on the output end of the servo motor 401, and the left and right ends of the different-direction threaded rod 402 are threadedly connected with the threaded connector 403, and the adjustment plate 404 is fixedly installed on the outside of the threaded connector 403; the adjustment plate 404 is symmetrically arranged in two groups about the midpoint of the base 1; the stretching assembly 4 also includes a guide rod 405 and a guide block 406, the guide rod 405 is fixedly installed on the inner side of the fixed plate 3, and the guide block 406 is nested on the outer side of the guide rod 405, and the guide block 406 is fixedly installed on the outer side of the adjustment plate 404;

[0028] When it is necessary to measure the straightness of the steel strand workpiece 6, this structure clamps the two ends of the workpiece 6 through the clamping assembly 5. After fixing, the servo motor 401 is operated, and the output end of the servo motor 401 drives the counter-rotating threaded rod 402 to rotate. The rotation of the counter-rotating threaded rod 402 will drive the threaded connector 403 connected at both ends to move in the opposite direction, thereby driving the two ends of the workpiece 6 to stretch. During the stretching, the maximum natural arrow height point of the workpiece 6 will move downward and squeeze the measuring needle of the digital depth gauge 7 at the lower end. At this time, when the measuring needle contacts the surface of the workpiece 6, the sensor on the inside of the digital depth gauge 7 will capture this information and convert it into a digital reading, so as to judge the straightness of the steel strand workpiece 6 according to the displayed number.

[0029] Embodiment 2: Figure 1-Figure 2 , Figure 4-Figure 5 The technical scheme shown in the utility model provides a technical scheme: a steel strand straightness measuring device, which discloses: a clamping assembly 5 includes a rotating shaft 501 and a clamping seat 502, the rotating shaft 501 is rotatably connected to the upper end of the adjustment plate 404, and the clamping seat 502 is fixedly installed on the outer side of the rotating shaft 501; the clamping assembly 5 also includes a slide groove 503, a sliding block 504 and a clamping plate 505, the slide groove 503 is arranged on the inner side of the clamping seat 502, and the sliding block 504 is nested on the inner side of the slide groove 503, and the clamping plate 505 is fixedly installed on the upper end of the sliding block 504; the clamping assembly 5 also includes a threaded groove 506 and a fastening bolt 507, the threaded groove 506 is arranged on the inner side of the clamping seat 502, and the fastening bolt 507 is threadedly connected to the inner side of the threaded groove 506, and the tail end of the fastening bolt 507 is distributed correspondingly to the clamping plate 505 on the left and right;

[0030] When it is necessary to clamp and fix the steel wire workpiece 6 of this structure, first place the two ends of the steel wire workpiece 6 on the corresponding inner side of the clamping seat 502, and then manually turn the fastening bolt 507. The fastening bolt 507 rotates along the inner side of the threaded groove 506 and contacts the clamping plate 505. The sliding block 504 at the bottom of the clamping plate 505 slides along the inner side of the sliding groove 503 and fits against the outer side of the workpiece 6, squeezing and limiting the workpiece 6 to fix it on the inner side of the clamping seat 502, thereby facilitating the measurement of the workpiece 6 and avoiding positional deviation during measurement. The clamping seat 502 is rotatably connected to the upper end of the adjusting plate 404 through the rotating shaft 501. When the two ends of the workpiece 6 are stretched, the clamping seat 502 will adjust the angle according to the angle change of the workpiece 6, thereby improving the measurement accuracy.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel strand straightness measuring device, characterized in that: Included are: A base (1), wherein a support leg (2) is fixedly mounted on the lower end of the base (1), and the support leg (2) provides support for the base (1); A stretching assembly (4), wherein the stretching assembly (4) is mounted on the inner side of the fixing plate (3), and the fixing plate (3) is fixedly mounted on the left and right sides of the base (1); A clamping assembly (5), wherein the clamping assembly (5) is mounted on the upper end of the stretching assembly (4); A workpiece (6), wherein both ends of the workpiece (6) are connected to the inner side of the clamping assembly (5); A digital depth gauge (7), wherein the digital depth gauge (7) is fixedly mounted on the upper end of the base (1), and the digital depth gauge (7) and the maximum natural sagittal height of the workpiece (6) are arranged in a vertically corresponding manner; wherein: The stretching assembly (4) is driven, and the stretching assembly (4) can drive the clamping assemblies (5) at both ends to move left and right; The clamping assembly (5) can be used to clamp and fix the two ends of the workpiece (6).

2. The steel strand straightness measuring device according to claim 1, characterized in that: The stretching assembly (4) comprises a servo motor (401), a counter-rotating threaded rod (402), a threaded connector (403) and an adjustment plate (404); the servo motor (401) is fixedly mounted on the outside of the left fixed plate (3); the counter-rotating threaded rod (402) is fixedly mounted on the output end of the servo motor (401); the left and right ends of the counter-rotating threaded rod (402) are threadedly connected to the threaded connector (403); and the adjustment plate (404) is fixedly mounted on the outside of the threaded connector (403).

3. A steel strand straightness measuring device according to claim 2, characterized in that: The adjustment plates (404) are arranged in two groups in a left-right symmetrical manner about the midpoint of the base (1).

4. A steel strand straightness measuring device according to claim 2, characterized in that: The stretching assembly (4) further comprises a guide rod (405) and a guide block (406), wherein the guide rod (405) is fixedly mounted on the inner side of the fixed plate (3), and the guide block (406) is nested on the outer side of the guide rod (405), and the guide block (406) is fixedly mounted on the outer side of the adjustment plate (404).

5. The steel strand straightness measuring device according to claim 1, characterized in that: The clamping assembly (5) comprises a rotating shaft (501) and a clamping seat (502); the rotating shaft (501) is rotatably connected to the upper end of the adjustment plate (404), and the clamping seat (502) is fixedly mounted on the outer side of the rotating shaft (501).

6. A steel strand straightness measuring device according to claim 5, characterized in that: The clamping assembly (5) further comprises a slide groove (503), a sliding block (504) and a clamping plate (505); the slide groove (503) is arranged on the inner side of the clamping seat (502); the sliding block (504) is nested on the inner side of the slide groove (503); and the clamping plate (505) is fixedly mounted on the upper end of the sliding block (504).

7. A steel strand straightness measuring device according to claim 6, characterized in that: The clamping assembly (5) further comprises a threaded groove (506) and a fastening bolt (507), wherein the threaded groove (506) is provided on the inner side of the clamping seat (502), and the inner side of the threaded groove (506) is threadedly connected with the fastening bolt (507), and the tail end of the fastening bolt (507) is distributed correspondingly to the clamping plate (505) on the left and right.

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