Measuring device

Abstract

The utility model discloses a measuring device, and belongs to the technical field of steel coil tower type measuring tools. The measuring device comprises a supporting piece, two clamping assemblies, a sliding piece and a measuring scale, the supporting piece is provided with a connecting part and two limiting parts, the two limiting parts are oppositely arranged, the first end and the second end, oppositely arranged in the first direction, of the connecting part are connected with one ends of the two limiting parts respectively, and the limiting parts and the connecting part are arranged in an angle mode; the connecting part is provided with a positioning reference plane parallel to the first direction. The two clamping assemblies are installed on the sides, away from the connecting part, of the two limiting pieces correspondingly and are oppositely arranged, a clamping space used for clamping a steel coil is formed, the sliding piece is slidably connected to the connecting part in the first direction, and the measuring scale is slidably connected to the sliding piece in the second direction perpendicular to the positioning reference plane.

Description

Technical Field

[0001] The present application belongs to the technical field of steel coil tower type measuring tools, and in particular relates to a measuring device. Background Art

[0002] Hot-rolled steel coils may develop tower defects after coiling. These defects occur when the ends of the coil are uneven along the width, exhibiting varying degrees of pagoda or bread-shaped appearance. Hot-rolled steel coil tower defects include internal towers, external towers, and stacking faults. Severe tower defects should be removed from the coil; coils that meet the specified tolerances can continue to be used.

[0003] In the related art, the overflow edge length L of the steel coil in the width direction is measured by combining a ruler with a straight plate. The operator places the ruler on a flat part of the steel coil (the part without overflow), and makes the length direction of the ruler parallel to the width direction of the steel coil. The straight plate is placed on the overflow edge of the steel coil, and then the scale value of the straight plate aligned with the ruler is read to obtain the overflow length L. The measurement efficiency is low. Utility Model Content

[0004] The present application aims to at least to some extent solve the technical problem of low efficiency in measuring the overflow length of a steel coil in the related art. To this end, the present application provides a measuring device.

[0005] The present application provides a measuring device for measuring the overflow length L of a steel coil in the width direction, comprising:

[0006] A support member having a connecting portion and two limiting portions, wherein the connecting portion has a first end and a second end disposed opposite to each other along a first direction, the first end and the second end being connected to one end of each of the two limiting portions, respectively, the two limiting portions being disposed opposite to each other, and the limiting portions being disposed at an angle to the connecting portion; wherein the connecting portion has a positioning reference plane parallel to the first direction;

[0007] Two clamping assemblies are respectively installed on one side of the two limiting portions away from the connecting portion and are arranged opposite to each other to form a clamping space for clamping the steel coil;

[0008] a sliding member, slidably connected to the connecting portion along the first direction;

[0009] The measuring ruler is slidably connected to the sliding member along a second direction perpendicular to the positioning reference plane.

[0010] In some embodiments, a sliding member guide hole extending along the first direction is provided on the connecting portion, and along the second direction, the sliding member guide hole passes through the connecting portion, and the sliding member is at least partially located in the sliding member guide hole to be slidably connected to the connecting portion along the first direction.

[0011] In some embodiments, a measuring ruler sliding hole extending along the second direction and penetrating the sliding member is formed on the sliding member, and the measuring ruler is located in the measuring ruler sliding hole to be slidably connected to the sliding member along the second direction.

[0012] In some embodiments, the measuring device further comprises a stopper, and the connecting portion is further provided with a stopper avoidance hole extending along the first direction and connected to the guide hole of the sliding member;

[0013] The sliding member is provided with a stopper threaded mounting hole connected to the sliding hole of the measuring ruler;

[0014] One side of the stopper passes through the stopper avoidance hole and is threadedly connected to the stopper threaded mounting hole. The stopper can press against the measuring ruler to fix the measuring ruler to the sliding member, or loosen the measuring ruler to allow the measuring ruler to slide along the sliding member.

[0015] In some embodiments, the stopper includes a stopper threaded connection portion and a holding portion connected thereto, the stopper threaded connection portion is threadedly connected to the stopper threaded mounting hole, and the holding portion is located outside the stopper avoidance hole.

[0016] In some embodiments, the cross-section of the connecting portion is rectangular, the sliding member guide hole is opened on the upper end surface of the connecting portion and passes through the upper end surface and the lower end surface of the connecting portion; the stop member threaded mounting hole is opened on the front end surface or the rear end surface of the connecting portion, and the upper end surface of the connecting portion is the positioning reference plane.

[0017] In some embodiments, the clamping assembly includes a guide member, an elastic member and a limit member. The limit member is provided with a guide member mounting through hole extending along the first direction. The guide member is located in the guide member mounting through hole and is slidingly connected to the guide member mounting through hole along the first direction. The elastic member is sleeved outside the guide member and is located on the side of the guide member close to the other limit member. The limit member is movably connected to the side of the guide member away from the other limit member. Under the action of the guide member, the limit member and the limit member, the elastic member is in a compressed state.

[0018] In some embodiments, the elastic member is a spring.

[0019] In some embodiments, the guide member includes a connected guide member external threaded connection portion and a resisting portion, the elastic member is sleeved on the guide member external threaded connection portion, and is located between the resisting portion and the limiting portion, a threaded hole is opened on the limiting member, and the limiting member is threadedly connected to the guide member external threaded connection portion.

[0020] In some embodiments, the connecting portion is perpendicular to the limiting portion.

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

[0022] The measuring device includes a support member, two clamping assemblies, a sliding member, and a measuring ruler. The support member has a connecting portion and two limiting portions. The two limiting portions are arranged opposite each other. The first and second ends of the connecting portion, which are arranged opposite each other along a first direction, are respectively connected to one end of the two limiting portions. The limiting portions are arranged at an angle to the connecting portion, and the connecting portion has a positioning reference plane parallel to the first direction. The two clamping assemblies are respectively mounted on the sides of the two limiting portions away from the connecting portion and are arranged opposite each other, forming a clamping space for clamping the steel coil. The sliding member is slidably connected to the connecting portion along the first direction, and the measuring ruler is slidably connected to the sliding member along a second direction perpendicular to the positioning reference plane.

[0023] When measuring the overflow side length L of the steel coil, the measuring device positions the two clamping components on both sides of the steel coil in the radial direction, clamps the steel coil, and makes the positioning reference plane of the connection part fit with the upper end surface of the overflow side. Then, the sliding part is slid to make the lower end of the measuring ruler fit with the upper end surface of the part flush with the steel coil. Then, the scale value of the measuring ruler aligned with the positioning reference plane is read, and the overflow side length L of the steel coil in the width direction is known. The measuring device facilitates the user to measure the overflow side length L, improves the measurement efficiency of the overflow side length L, and has high measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0025] Figure 1 A side view of a measuring device in one or more embodiments of the present application is shown.

[0026] Figure 2 Shown Figure 1 Diagram with the slide, measuring tape, and stop hidden.

[0027] Figure 3 A schematic diagram of a sliding member, a measuring ruler, and a stopper of a measuring device in one or more embodiments of the present application is shown.

[0028] Figure 4 A front view of a measuring device in one or more embodiments of the present application is shown.

[0029] Figure 5A front view of a clamping assembly of a measuring device in one or more embodiments of the present application is shown.

[0030] Figure 6 Shown Figure 4 Enlarged view of point A in the middle.

[0031] Figure 7 Shown Figure 4 Enlarged view of point B in the middle.

[0032] Figure 8 A schematic diagram is shown of a measuring device measuring the overflow edge of a steel coil in one or more embodiments of the present application.

[0033] Figure markings: 100-measuring device, 110-support member, 111-connecting part, 111a-sliding member guide hole, 111b-stop member avoidance hole, 112-limiting part, 112a-guide member mounting through hole, 1111-positioning reference plane, 120-clamping assembly, 121-guide member, 1211-guide member external threaded connection part, 1212-stopping part, 122-elastic member, 123-limiting part, 130-sliding member, 130a-measuring ruler sliding hole, 130b-stop member threaded mounting hole, 140-measuring ruler, 150-stop member, 151-stop member threaded connection part, 152-holding part, 200-steel coil, 210-overflow edge. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0036] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0037] In addition, in this utility model, the descriptions of "first" and "second" are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0038] In the related art, the overflow edge length L of the steel coil in the width direction is measured by combining a ruler with a straight plate. The operator places the ruler on a flat part of the steel coil (the part without overflow), and makes the length direction of the ruler parallel to the width direction of the steel coil. The straight plate is placed on the overflow edge of the steel coil, and then the scale value of the straight plate aligned with the ruler is read to obtain the overflow length L. The measurement efficiency is low.

[0039] In the related art, there is a technical problem of low measurement efficiency when measuring the overflow length L of a steel coil in the width direction. The embodiment of the present application provides a measuring device 100 that can at least to some extent solve the technical problem of low measurement efficiency of the overflow length L.

[0040] The present application is described below with reference to specific embodiments and with reference to the accompanying drawings:

[0041] like Figure 8 As shown, the measuring device 100 is used to measure the length L of the overflow edge 210 of the steel coil 200 in the width direction.

[0042] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the measuring device 100 includes a support 110 , two clamping assemblies 120 , a sliding member 130 and a measuring ruler 140 .

[0043] The support member 110 has a connecting portion 111 and two limiting portions 112. The connecting portion 111 has a first end and a second end arranged opposite to each other along a first direction. The first end and the second end are respectively connected to one end of the two limiting portions 112. The two limiting portions 112 are arranged opposite to each other, and the limiting portion 112 is arranged at an angle to the connecting portion 111.

[0044] The connecting portion 111 and the limiting portion 112 are fixedly connected. The connecting portion 111 and the limiting portion 112 are set at an angle, which can be a right angle, an obtuse angle or an acute angle, which is not limited in this application. In some embodiments, the connecting portion 111 is perpendicular to the limiting portion 112.

[0045] The connecting portion 111 has a positioning reference plane 1111 parallel to the first direction.

[0046] When measuring using the measuring device 100 , the positioning reference plane 1111 is used to contact the upper end surface of the overflow edge 210 of the steel coil 200 .

[0047] The two clamping assemblies 120 are respectively installed on one side of the two limiting portions 112 away from the connecting portion 111 and are arranged opposite to each other to form a clamping space for clamping the steel coil 200 .

[0048] Specifically, a clamping assembly 120 is mounted on each of the two limiting portions 112. These two clamping assemblies 120 are positioned opposite each other, with the area between them forming the clamping space. During measurement, the two clamping assemblies 120 are positioned radially opposite the steel coil 200, clamping the steel coil 200 between the two clamping assemblies 120 and securing the entire measuring device 100 to the steel coil 200.

[0049] The sliding member 130 is connected to the connecting portion 111 in a sliding manner along a first direction; the measuring ruler 140 is connected to the sliding member 130 in a sliding manner along a second direction perpendicular to the reference plane.

[0050] When measuring the length of the overflow edge 210 using the measuring device 100, the positioning reference plane 1111 is brought into contact with the upper end surface of the overflow edge 210 of the steel coil 200. The position of the measuring device 100 is then adjusted so that the two clamping assemblies 120 are located on both sides of the radial direction of the steel coil 200 and are in close contact with both sides of the radial direction of the steel coil 200. At this point, the measuring device 100 is fixed to the steel coil 200. The position of the sliding member 130 and the measuring scale 140 is then moved so that the lower end of the measuring scale 140 is in contact with the upper end surface of the portion of the steel coil 200 that is flush with the steel coil 200. The operator then observes and reads the scale value where the positioning reference plane 1111 is aligned with the measuring scale 140 to determine the length L of the overflow edge 210 in the width direction of the steel coil 200. The measuring device 100 facilitates the user's measurement of the overflow edge length L, improves the efficiency of measuring the overflow edge length L, and provides high measurement accuracy.

[0051] It is easy to understand that the zero scale line of the measuring ruler 140 is set at the lower end of the measuring ruler 140 .

[0052] In some embodiments, a sliding member guide hole 111a extending along the first direction is opened on the connecting portion 111, and the sliding member guide hole 111a passes through the connecting portion 111 along the second direction, and the sliding member 130 is at least partially located in the sliding member guide hole 111a to be slidably connected to the connecting portion 111 along the first direction.

[0053] like Figure 2 As shown, the sliding member guide hole 111a passes through the upper end surface of the connecting portion 111 and the lower end surface of the connecting portion 111. The sliding member 130 is at least partially located in the sliding member guide hole 111a and contacts the inner wall of the sliding member guide hole 111a, and can slide along the inner wall of the sliding member guide hole 111a in the first direction. Figure 1 As shown, in some embodiments, the sliding member 130 is entirely located within the sliding member guide hole 111 a .

[0054] In some embodiments, the sliding member 130 defines a measuring ruler sliding hole 130 a extending along the second direction and penetrating the sliding member 130 . The measuring ruler 140 is located in the measuring ruler sliding hole 130 a to be slidably connected to the sliding member 130 along the second direction.

[0055] like Figure 3 As shown, the measuring ruler sliding hole 130a extends through the upper end surface and the lower end surface of the sliding member 130. The cross-sectional dimensions of the measuring ruler sliding hole 130a match the cross-sectional dimensions and shape of the measuring ruler 140, enabling the measuring ruler 140 to be positioned within the measuring ruler sliding hole 130a, contact the inner wall of the measuring ruler sliding hole 130a, and slide along the inner wall of the measuring ruler sliding hole 130a in the second direction. In some embodiments, the measuring ruler 140 has a rectangular cross-section, and the measuring ruler sliding hole 130a also has a rectangular cross-section. The length of the measuring ruler 140's cross-section is consistent with the length of the measuring ruler sliding hole 130a's cross-section, the width of the measuring ruler 140's cross-section is consistent with the width of the measuring ruler sliding hole 130a's cross-section, and the outer wall of the measuring ruler 140 contacts the inner wall of the measuring ruler sliding hole 130a.

[0056] like Figure 1 、 Figure 2 and Figure 3 As shown, in some embodiments, the measuring device 100 further includes a stopper 150, and a stopper avoidance hole 111b extending along the first direction and connected to the sliding member guide hole 111a is further provided on the connecting portion 111; a stopper threaded mounting hole 130b connected to the measuring scale sliding hole 130a is provided on the sliding member 130; one side of the stopper 150 passes through the stopper avoidance hole 111b and is threadedly connected to the stopper threaded mounting hole 130b, and the stopper 150 can press against the measuring scale 140 to fix the measuring scale 140 to the sliding member 130, or loosen the measuring scale 140 so that the measuring scale 140 can slide along the sliding member 130.

[0057] That is, one end of the stopper 150 can pass through the stopper avoidance hole 111b and be threadedly connected to the stopper threaded mounting hole 130b. This end can also extend into the measuring ruler sliding hole 130a, pressing against the measuring ruler 140, so that the measuring ruler 140 and the sliding member 130 are pressed together, thereby securing the measuring ruler 140 to the sliding member 130 and preventing it from sliding in the second direction. With this design, when the measuring device 100 is not in use, the stopper 150 can be tightened to secure the measuring ruler 140, facilitating storage of the measuring device 100. When the measuring device 100 is ready for use, the stopper 150 can be loosened so that the stopper 150 no longer presses against the measuring ruler 140, allowing the measuring ruler 140 to slide in the second direction, facilitating measurement. With this design, the stopper 150 is at least partially located within the stopper avoidance hole 111b, and the stopper 150 is connected to the sliding member 130. The stopper 150 and the sliding member 130 form a whole and slide in the first direction. Due to the position restriction of the stopper avoidance hole 111b, the stopper 150 and the sliding member 130 will not separate from the connecting portion 111 during the sliding process. It is easy to understand that the other end of the stopper 150 should be located outside the stopper avoidance hole 111b so that the operator can grasp and twist the stopper 150.

[0058] like Figure 3 As shown, in some embodiments, to facilitate the operator's operation of the stopper 150, the stopper 150 includes a stopper threaded connection portion 151 and a grip portion 152. The stopper threaded connection portion 151 is threadedly connected to the stopper threaded mounting hole 130b, and the grip portion 152 is located outside the stopper avoidance hole 111b. It is easy to understand that the threaded connection portion 111 is provided with external threads that mate with the stopper threaded mounting hole 130b, and the stopper threaded connection portion 151 and the grip portion 152 are fixedly connected. To facilitate the operator's gripping and applying force to the grip portion 152, the grip portion 152 can be designed to be larger than the connection portion 111. A groove or raised structure can be machined on the grip portion 152 to increase friction between the operator's fingers and the grip portion 152, further facilitating the operator's operation of the stopper 150.

[0059] like Figure 2 As shown, in some embodiments, the cross-section of the connecting portion 111 is rectangular, the sliding member guide hole 111a is opened on the upper end surface of the connecting portion 111 and passes through the upper end surface and the lower end surface of the connecting portion 111; the stop member threaded mounting hole 130b is opened on the front end surface or the rear end surface of the connecting portion 111.

[0060] That is, along the cross section perpendicular to the first direction, the connecting portion 111 is rectangular. Figure 2As shown, the sliding member guide hole 111 a is opened on the upper end surface of the connecting portion 111 and passes through the upper end surface and the lower end surface of the connecting portion 111 , and the stopper threaded mounting hole 130 b is opened on the front end surface of the connecting portion 111 .

[0061] like Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, in some embodiments, the clamping assembly 120 includes a guide member 121, an elastic member 122 and a limit member 123. A guide member mounting through hole 112a extending along the first direction is provided on the limit portion 112. The guide member 121 is located in the guide member mounting through hole 112a and is slidingly connected to the guide member mounting through hole 112a along the first direction. The elastic member 122 is sleeved on the outside of the guide member 121 and is located on a side of the guide member 121 close to the other limit portion 112. The limit member 123 is movably connected to a side of the guide member 121 away from the other limit portion 112. Under the action of the guide member 121, the limit member 123 and the limit portion 112, the elastic member 122 is in a compressed state.

[0062] The middle portion of the guide member 121 is located in the guide member installation hole 112a and contacts the inner wall of the guide member installation hole 112a, so that the guide member 121 can slide along the guide member installation hole 112a in the first direction. The elastic member 122 and the limiting member 123 are both installed on the guide member 121 and are located on both sides of the limiting portion 112. Specifically, Figure 4 As shown, the elastic member 122 is located between the two limiting portions 112. Figure 6 As shown, the left limiting member 123 is located on the left side of the left limiting portion 112, as shown in FIG. Figure 7 As shown, the right-side stopper 123 is located to the right of the right-side stopper 112. The stopper 123 is movably connected to the guide member 121, meaning it can be connected to different positions on the guide member 121. This allows for adjustment of the length of the guide member 121 extending beyond the stopper 112, which is used to fit the elastic member 122. This allows for adjustment of the minimum spacing between the two guide members 121, allowing the measuring device 100 to accommodate steel coils 200 of varying diameters. The elastic member 122 is always in a compressed state. When the measuring device 100 is not in use, the stopper 123 contacts the stopper 112 under the action of the elastic member 122. When the measuring device 100 is in use, the elastic member 122 presses the guide member 121 against the wall of the steel coil 200, securing the measuring device 100 to the steel coil 200. The stopper 123 can be movably connected to the guide member 121 through a snap-fit ​​connection, a threaded connection, or other means.

[0063] In some embodiments, the elastic member 122 is a spring.

[0064] In some embodiments, the guide member 121 includes a connected guide member external threaded connection portion 1211 and a resisting portion 1212, the elastic member 122 is sleeved on the guide member external threaded connection portion 1211, and is located between the resisting portion 1212 and the limiting portion 112, a threaded hole is opened on the limiting member 123, the limiting member 123 is threadedly connected to the guide member external threaded connection portion 1211, and the limiting member 123 and the elastic member 122 are located on both sides of the limiting portion 112.

[0065] The size of the resisting portion 1212 is larger than the size of the guide member external threaded connection portion 1211. After the elastic member 122 is sleeved on the guide member external threaded connection portion 1211, one end of the elastic member 122 abuts against the resisting portion 1212, and the other end abuts against the limiting portion 112. The limiting member 123 has a threaded hole, and the limiting member 123 is threadedly connected to the guide member external threaded connection portion 1211 through the threaded hole. With this design, by rotating the limiting member 123, the position of the limiting member 123 on the guide member external threaded connection portion 1211 can be adjusted, and then the length of the resisting portion 1212 extending out of the limiting portion 112 can be adjusted, thereby adjusting the spacing between the two resisting portions 1212, so that the measuring device 100 can be applicable to steel coils 200 of different diameters. The threaded connection between the limiting member 123 and the guide member 121 makes the position adjustment process of the limiting member 123 simple, which facilitates the use of the measuring device 100. An anti-skid rubber pad may be provided on the resisting portion 1212 to increase the friction between the resisting portion 1212 and the steel coil 200 and prevent the resisting portion 1212 from slipping when clamping the steel coil 200 .

[0066] The following describes how to use the measuring device 100 of the present application:

[0067] like Figure 6 As shown, first, screw the limiter 123 to adjust the distance between the two stoppers 1212 so that the distance between the two stoppers 1212 can match the diameter of the steel coil 200; then, install the measuring device 100 on the steel coil 200, specifically, make the two stoppers 1212 located on both sides of the steel coil 200, under the action of the elastic member 122, the two stoppers 1212 abut against the peripheral wall of the steel coil 200, so that the measuring device 100 is fixed on the steel coil 200; then, adjust The measuring device 100 is positioned so that the positioning reference plane 1111 is aligned with the upper end surface of the overflow edge 210. Next, the measuring ruler 140 is slid along the first direction and the second direction so that the measuring ruler 140 is located next to the overflow edge 210, and the lower end surface of the measuring ruler 140 is aligned with the upper end surface of the portion of the steel coil 200 that is flush with the steel coil 200. Finally, the operator observes and reads the scale value of the positioning reference plane 1111 aligned with the measuring ruler 140, and obtains the length L of the overflow edge 210 of the steel coil 200 in the width direction.

[0068] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

[0069] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0070] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A measuring device, characterized in that: Used to measure the overflow length L of a steel coil (200) in the width direction, comprising: A support member (110) comprises a connecting portion (111) and two limiting portions (112), wherein the connecting portion (111) comprises a first end and a second end arranged opposite to each other along a first direction, wherein the first end and the second end are respectively connected to one end of the two limiting portions (112), the two limiting portions (112) are arranged opposite to each other, and the limiting portions (112) and the connecting portion (111) are arranged at an angle; wherein the connecting portion (111) comprises a positioning reference plane (1111) parallel to the first direction; Two clamping assemblies (120) are respectively installed on one side of the two limiting portions (112) away from the connecting portion (111), and are arranged opposite to each other to form a clamping space for clamping the steel coil (200); a sliding member (130) slidably connected to the connecting portion (111) along the first direction; A measuring ruler (140) is slidably connected to the sliding member (130) along a second direction perpendicular to the positioning reference plane (1111).

2. The measuring device according to claim 1, characterized in that The connecting portion (111) is provided with a sliding member guide hole (111a) extending along the first direction, and the sliding member guide hole (111a) passes through the connecting portion (111) along the second direction, and the sliding member (130) is at least partially located in the sliding member guide hole (111a) to be slidably connected to the connecting portion (111) along the first direction.

3. The measuring device according to claim 2, characterized in that The sliding member (130) is provided with a measuring ruler sliding hole (130a) extending along the second direction and penetrating the sliding member (130); the measuring ruler (140) is located in the measuring ruler sliding hole (130a) to be slidably connected to the sliding member (130) along the second direction.

4. The measuring device according to claim 3, characterized in that The measuring device (100) further includes a stopper (150), and the connecting portion (111) is provided with a stopper avoidance hole (111b) extending along the first direction and communicating with the sliding member guide hole (111a); The sliding member (130) is provided with a stopper threaded mounting hole (130b) connected to the measuring ruler sliding hole (130a); One side of the stopper (150) passes through the stopper avoidance hole (111b) and is threadedly connected to the stopper threaded mounting hole (130b); the stopper (150) can press against the measuring ruler (140) to fix the measuring ruler (140) to the sliding member (130), or release the measuring ruler (140) to allow the measuring ruler (140) to slide along the sliding member (130).

5. The measuring device according to claim 4, characterized in that The stopper (150) comprises a connected stopper threaded connection portion (151) and a gripping portion (152), wherein the stopper threaded connection portion (151) is threadedly connected to the stopper threaded mounting hole (130b), and the gripping portion (152) is located outside the stopper avoidance hole (111b).

6. The measuring device according to claim 4, characterized in that The cross section of the connecting portion (111) is rectangular, the sliding member guide hole (111a) is provided on the upper end surface of the connecting portion (111) and passes through the upper end surface and the lower end surface of the connecting portion (111); the stop member threaded mounting hole (130b) is provided on the front end surface or the rear end surface of the connecting portion (111), and the upper end surface of the connecting portion (111) is the positioning reference plane (1111).

7. The measuring device according to any one of claims 1 to 6, characterized in that The clamping assembly (120) includes a guide member (121), an elastic member (122) and a limiting member (123); a guide member mounting through hole (112a) extending along the first direction is provided on the limiting portion (112); the guide member (121) is located in the guide member mounting through hole (112a) and is slidably connected to the guide member mounting through hole (112a) along the first direction; the elastic member (122) is sleeved outside the guide member (121) and is located on a side of the guide member (121) close to the other limiting portion (112); the limiting member (123) is movably connected to a side of the guide member (121) away from the other limiting portion (112); under the action of the guide member (121), the limiting member (123) and the limiting portion (112), the elastic member (122 is in a compressed state.

8. The measuring device according to claim 7, characterized in that The elastic member (122) is a spring.

9. The measuring device according to claim 7, characterized in that The guide member (121) comprises a connected guide member external thread connection portion (1211) and a resisting portion (1212); the elastic member (122) is sleeved on the guide member external thread connection portion (1211) and is located between the resisting portion (1212) and the limiting portion (112); a threaded hole is provided on the limiting member (123); and the limiting member (123) is threadedly connected to the guide member external thread connection portion (1211).

10. The measuring device according to any one of claims 1 to 6, characterized in that The connecting portion (111) is perpendicular to the limiting portion (112).

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