CN219483464U - Surface defect marking tool for hot-rolled strip steel coil - Google Patents

Abstract

The utility model discloses a hot rolled strip steel coil surface defect marking tool, which belongs to the field of auxiliary accessories for steel production detection and comprises a main ruler, a cutting sleeve, an angle measurer, a point laser and a high-temperature chalk; the front end of the main scale is high Wen Fenbi, a scale head 0mm scale of the main scale is vertically connected with a limiting rod, a cutting sleeve is sleeved on the main scale, a reading window is arranged at the scale position of the cutting sleeve corresponding to the main scale, and an angle measurer is arranged on the cutting sleeve; the center of the angle measurer is provided with a threaded through hole, and the position of the threaded through hole is equal to that of the center of the angle measurer; the middle part of the punctiform laser is provided with a through hole, and the fastening bolt penetrates through the through hole to be connected with the threaded through hole; the front end of the point-shaped laser is a laser emitter, and the laser ray coincides with the principal axis of the point-shaped laser. Compared with the prior art, the method has the characteristics of rapidness and safety.

Description

Surface defect marking tool for hot-rolled strip steel coil

Technical Field

The utility model relates to an auxiliary accessory for steel production detection, in particular to a hot-rolled strip steel coil surface defect marking tool for detecting the surface quality of a hot-rolled strip steel coil after being off line.

Background

The quality defect evaluation of the steel coil surface is an important index of the quality of the hot rolled steel coil, so that the surface quality of the off-line strip steel coil is required to be detected in order to meet the requirements of customers or standards, and the existing position of the surface quality defect of the subsequent steel coil is required to be treated.

In the prior art, the marking method for the surface quality defect is as follows: (1) the hot rolled strip steel coil is produced, and a field inspection technician unwinds and inspects the surface quality of the steel coil according to batches; (2) and (5) performing defect sampling on the steel coil with the surface quality problem found by the surface inspection instrument and the uncoiling line. Therefore, it is important to quickly and accurately locate and mark the defect position.

However, during the working process, the hot rolling steel mill mostly adopts a hydraulic driving carrier roller for uncoiling. Due to equipment reasons, the upper surface of the steel coil is attached to the ground after being unwound, after the surface quality defect is found, the defect of the steel coil needs to be marked manually to the side of an unwinding line, the temperature of the steel coil is higher when the steel coil is wound, and personnel accidents easily occur when the glove is worn manually to mark the side edge of the steel coil. Meanwhile, because the surface quality defect exists in the uncertainty of the surface position of the steel coil, the measuring tape measurement reading is inaccurate due to the high surface temperature of the steel coil, and the defect position cannot be accurately locked.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a marking tool for the surface defects of the hot rolled strip steel coil, which can rapidly, conveniently and accurately mark and sample the surface quality defects of the steel coil, accurately measure the defects at the positions where the sections of the steel coil exist, and provide support for the surface quality detection of the hot rolled strip steel coil.

The technical scheme for solving the technical problems is as follows: a hot rolled strip coil surface defect marking tool is characterized in that: comprises a main ruler, a cutting sleeve, an angle measurer, a punctiform laser and a high-temperature chalk; the front end of the main scale is high Wen Fenbi, a scale head 0mm scale of the main scale is vertically connected with a limiting rod, a cutting sleeve is sleeved on the main scale, a reading window is arranged at the scale position of the cutting sleeve corresponding to the main scale, an angle measurer is arranged on the cutting sleeve, the circle center of the angle measurer corresponds to the standard point of the reading window, and a straight line where the scale of 0-180 degrees is vertical to the main scale; the plane of the angle measurer is vertical to the plane of the limit rod; the center of the angle measurer is provided with a threaded through hole, and the position of the threaded through hole is equal to that of the center of the angle measurer; the middle part of the punctiform laser is provided with a through hole, and the fastening bolt penetrates through the through hole to be connected with the threaded through hole; the front end of the point-shaped laser is a laser emitter, and the laser ray coincides with the principal axis of the point-shaped laser.

Further, the rear end of the main scale is provided with a heat insulation handle.

Furthermore, the measuring range of the main scale is 100cm-150cm, and the length of the limiting rod is 50mm.

Further, the length of the reading window is more than 10mm.

Further, the clamping sleeve is in sliding connection with the main ruler.

Furthermore, the cutting sleeve is provided with a threaded through hole at the circle center of the angle measurer.

Further, the bottom end of the fastening bolt is connected with the round pressing piece.

Furthermore, the tail end of the point-shaped laser is provided with a tail needle, and the tail needle points to the angle measurement scale.

Compared with the prior art, the utility model has the following outstanding beneficial effects:

1. the utility model can rapidly and conveniently mark the defect position and measure the distance between the defect position and the edge of the strip steel, avoids the problem that the defect position is redetermined on the lower surface after uncoiling, can rapidly judge and process, and improves the efficiency of surface quality detection;

2. the accuracy of marking the defect position is improved, the measurement is accurate, and the data is reliable;

3. the operation is convenient, the efficiency is improved, and meanwhile, the safety of detection personnel is ensured;

4. simple structure, facilitate promotion.

Drawings

Fig. 1 is a schematic representation of the use of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description. Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the following embodiments, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

For better description, the steel coil side is the front, and the reverse is the back, that is, the front is the front and the back is the back in fig. 1. It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," "end," "side," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing and simplifying the description of the embodiments of the present utility model, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

As shown in fig. 1, the utility model discloses a hot rolled strip steel coil surface defect marking tool which comprises a main scale 1, a cutting sleeve 2, an angle measurer 4, a point laser 6, a heat insulation handle 5 and a height Wen Fenbi 7.

The front end of the main scale 1 is high Wen Fenbi, and the rear end is a heat insulation handle 5. The heat insulation handle 5 is convenient to carry and measure and use, and meanwhile, the heat insulation sleeve on the outer layer of the heat insulation handle 5 is used for avoiding scalding hands.

The scale head of the main scale 1 is vertically connected with a limiting rod at the scale position of 0mm, in the embodiment, the measuring range of the main scale 1 is 100cm-150cm, and the length of the limiting rod is 50mm.

The main scale 1 is sleeved with a cutting sleeve 2, and the cutting sleeve 2 can move along the main scale 1. The reading window is arranged at the position of the cutting sleeve 2 corresponding to the scale of the main scale 1, and in order to facilitate reading, in an optimized scheme, the length of the reading window is more than 10mm, namely, the scale value of one centimeter level is ensured to be exposed.

The cutting sleeve 2 is provided with an angle measurer 4, the circle center of the angle measurer corresponds to the standard point of the reading window, and the straight line of the scale of 0-180 degrees is perpendicular to the main scale 1. The plane of the angle measurer 4 is perpendicular to the plane of the limit rod.

The clamping sleeve 2 and the angle measurer 4 are provided with threaded through holes, and the positions of the threaded through holes are equal to the circle center of the angle measurer 4. The middle part of the punctiform laser 6 is provided with a through hole, and the fastening bolt 3 passes through the through hole to be connected with a threaded through hole. In the optimization scheme, the bottom end of the fastening bolt 3 is connected with a round pressing sheet to prevent the fastening bolt from falling out of the threaded hole.

The front end of the point-shaped laser 6 is a laser emitter, and the laser ray coincides with the main axis of the point-shaped laser 6. The tail end of the point-shaped laser 6 is provided with a tail needle, and the tail needle points to the angle measuring scale.

When the angle measurer is used, the cutting sleeve 2 is slid according to the distance between the steel coil and a measuring operator, and the distance L between the semicircular circle center of the angle measurer 4 and the main scale 1 scale head is uniformly recorded. When the defect 8 on the surface of the steel coil to be marked appears, the limit rod is firstly propped against the surface of the steel coil, namely, 0mm is overlapped with the surface of the steel coil, the surface of the steel coil is vertical to the plane of the angle measurer 4, the punctiform laser 6 is rotated to the measuring point, and the angle alpha between the circle center and the measuring point is recorded, so that the distance b (b=L.tan alpha) between the main scale 1 and the measuring point is obtained. When the main scale 1 is retracted, the high-temperature chalk 7 is used for marking scratches on the edge of the steel coil. When the upper surface of the strip steel coil is uncoiled and attached to the ground, the position of the defect measuring point can be accurately determined through the position marked by the height Wen Fenbi 7 and the recorded b.

It should be noted that, in this embodiment, a technique known in the art is not described in detail.

The foregoing is merely for the purpose of describing particular embodiments of the utility model in detail and it will be apparent to those skilled in the art that various modifications can be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. A hot rolled strip coil surface defect marking tool is characterized in that: comprises a main ruler, a cutting sleeve, an angle measurer, a punctiform laser and a high-temperature chalk; the front end of the main scale is high Wen Fenbi, a scale head 0mm scale of the main scale is vertically connected with a limiting rod, a cutting sleeve is sleeved on the main scale, a reading window is arranged at the scale position of the cutting sleeve corresponding to the main scale, an angle measurer is arranged on the cutting sleeve, the circle center of the angle measurer corresponds to the standard point of the reading window, and a straight line where the scale of 0-180 degrees is vertical to the main scale; the plane of the angle measurer is vertical to the plane of the limit rod; the center of the angle measurer is provided with a threaded through hole, and the position of the threaded through hole is equal to that of the center of the angle measurer; the middle part of the punctiform laser is provided with a through hole, and a fastening bolt penetrates through the through hole to be connected with the threaded through hole; the front end of the point-shaped laser is a laser emitter, and the laser ray coincides with the principal axis of the point-shaped laser.

2. The hot rolled steel strip coil surface defect marking tool as claimed in claim 1, wherein: the rear end of the main scale is provided with a heat insulation handle.

3. The hot rolled steel strip coil surface defect marking tool as claimed in claim 1, wherein: the range of the main scale is 100cm-150cm, and the length of the limiting rod is 50mm.

4. The hot rolled steel strip coil surface defect marking tool as claimed in claim 1, wherein: the length of the reading window is more than 10mm.

5. The hot rolled steel strip coil surface defect marking tool as claimed in claim 1, wherein: the cutting sleeve is connected with the main ruler in a sliding way.

6. The hot rolled steel strip coil surface defect marking tool as claimed in claim 5, wherein: the cutting ferrule be equivalent to angle measurement ware centre of a circle department and be equipped with the screw thread through-hole.

7. The hot rolled steel strip coil surface defect marking tool as claimed in claim 1, wherein: the bottom end of the fastening bolt is connected with the round pressing piece.

8. The hot rolled steel strip coil surface defect marking tool as claimed in claim 1, wherein: the tail end of the point-shaped laser is provided with a tail needle, and the tail needle points to the angle measurement scale.