Laminar cooling device and hot rolling production line

Abstract

The utility model discloses a laminar cooling device and a hot rolling production line, and solves the technical problems that in the prior art, laminar cooling water flow is difficult to adjust, and the laminar cooling device is not provided with a treading structure, so that an operator easily slides off during adjustment. Comprising a cooling body and a pedal, the cooling body comprises an upper-layer cold collecting pipe connected to a layer cold water beam and a roller way protection plate, the roller way protection plate is arranged along the axial side of a conveying roller, the upper-layer cold collecting pipe is parallel to the conveying roller, a pipe opening of the upper-layer cold collecting pipe faces the conveying roller and is higher than the conveying roller, and the upper-layer cold collecting pipe is provided with an adjusting valve; the pedal is connected to the roller bed protection plate, forms an angle with the roller bed protection plate, and is higher than the conveying roller and lower than the adjusting valve. The pedal is connected to the roller bed guard plate, the contact area with the feet of an operator is larger, compared with the prior art, a larger acting point can be provided for the operator, the operator is prevented from sliding off, the operator can conveniently adjust the adjusting valve, and the adjusting efficiency is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of safety devices, and specifically relates to a laminar cooling device and a hot rolling production line. Background Art

[0002] In the hot rolling production line, the amount of upper laminar cooling water needs to be adjusted frequently, and the regulating valve is located at a high position. When adjusting, the operator needs to step on the laminar cooling guard plate to reach the regulating valve, so as to facilitate the hand-held regulating valve for adjustment. Since the laminar cooling guard plate is a steel plate about 10 mm thick, the operator's foothold is very small when stepping on it. At the same time, there is oil pollution on the site, which is easy to slip. There is a certain height difference between the top of the laminar cooling guard plate and the ground plane, and the operator is at risk of slipping, resulting in low operating efficiency. Summary of the invention

[0003] In order to solve the technical problem that it is difficult to adjust the cooling water flow rate of laminar cooling and the laminar cooling device has no pedal structure, which makes it easy for operators to slip during adjustment, the present application provides a laminar cooling device and a hot rolling production line.

[0004] In a first aspect of the present application, a laminar cooling device is provided, comprising a cooling body and a pedal.

[0005] The cooling body comprises an upper cold header connected to a cooling water beam and a roller guard plate, the roller guard plate is arranged along one side of the axial direction of the transport roller, the upper cold header is parallel to the transport roller, the pipe opening of the upper cold header faces the transport roller and is higher than the transport roller, and the upper cold header is provided with a regulating valve;

[0006] The pedal is connected to the roller guard plate and is arranged at an angle with the roller guard plate. The pedal is higher than the transport roller and lower than the regulating valve.

[0007] In some embodiments, the pedal and the roller guard plate are arranged at an angle of 85° to 95°.

[0008] In some embodiments, the pedal and the roller guard plate are detachably connected via a plurality of groups of connecting members.

[0009] In some embodiments, the connecting member is two connecting plates or connecting columns that are arranged opposite to each other, and the connecting member and the pedal together form an installation cavity for the roller guard plate to extend into.

[0010] In some embodiments, a reinforcing support is provided between the pedal and the roller guard plate.

[0011] In some embodiments, a first guard plate is provided on a side of the pedal.

[0012] In some embodiments, the pedal is provided with a set of cleats.

[0013] In some embodiments, the anti-skid nail group is provided in a plurality of groups and is spaced apart along the length direction of the pedal, each anti-skid nail group is provided with a plurality of anti-skid nails, and the plurality of anti-skid nails are spaced apart along the width direction of the pedal.

[0014] In some embodiments, the pedal is a hollow plate.

[0015] In a second aspect of the present application, a hot rolling production line is provided, comprising a hot rolling mill group, the laminar cooling device and a coiler arranged in sequence according to the process.

[0016] The laminar cooling device provided according to the embodiment of the present application includes a cooling body and a pedal. The cooling body includes an upper cold collector and a roller guard plate connected to the layer cooling water beam. The roller guard plate is arranged along one side of the axial direction of the transport roller. The upper cold collector is parallel to the transport roller. The pipe mouth of the upper cold collector faces the transport roller and is higher than the transport roller. The upper cold collector is provided with a regulating valve. The pedal is connected to the roller guard plate and is arranged at an angle with the roller guard plate. The pedal is higher than the transport roller and lower than the regulating valve.

[0017] The present application connects a pedal to the roller guard plate, which has a larger contact area with the operator's feet. Compared with the prior art, it can provide the operator with a larger fulcrum to prevent the operator from slipping, making it easier for the operator to adjust the regulating valve to increase the adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a laminar cooling device in an embodiment of the present application is shown.

[0019] Figure 2 A top view of the structure of a pedal of a laminar cooling device in an embodiment of the present application is shown.

[0020] Figure 3 A structural side view of a pedal of a laminar cooling device in an embodiment of the present application is shown.

[0021] Description of reference numerals:

[0022] 100. Cooling body;

[0023] 110, cooling water beam; 120, upper cooling header; 130, roller guard plate; 140, regulating valve

[0024] 200, pedal;

[0025] 210, anti-slip studs; 220, connecting piece; 230, first guard plate;

[0026] 221. Strengthen the support member;

[0027] 300. Transport roller. DETAILED DESCRIPTION

[0028] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0029] The first embodiment of the present application provides a laminar cooling device, which is convenient for operators to adjust the regulating valve 140 and increase the flow regulation efficiency of the upper cold header 120.

[0030] See also Figure 1 , the laminar cooling device provided in the embodiment of the present application includes a cooling body 100 and a pedal 200;

[0031] The cooling body 100 includes an upper cold header 120 and a roller guard plate 130 connected to a lower cold water beam 110. The roller guard plate 130 is arranged along one side of the axial direction of the transport roller 300. The upper cold header 120 is parallel to the transport roller 300. The pipe opening of the upper cold header 120 faces the transport roller 300 and is higher than the transport roller 300. The upper cold header 120 is provided with a regulating valve 140. In some embodiments, the cooling body 100 is arranged beside the transport roller 300, including the lower cold water beam 110, the upper cold header 120, the lower cold header and the roller guard plate 130. The cold header and the roller guard plate 130 are both connected to one side of the layer cold water beam 110, the upper layer cold header 120 is higher than the transport roller 300, and the lower layer cold header is lower than the transport roller 300, the upper layer cold header 120 and the lower layer cold header both extend axially along the transport roller 300, and the upper layer cold header 120 and the lower layer cold header are each provided with a plurality of groups, which are arranged at intervals along the strip transport direction, and each group of the upper layer cold header 120 and the lower layer cold header is provided with a regulating valve 140, and the pipe openings of the upper layer cold header 120 and the lower layer cold header are both facing the strip, and the layer cold guard plate is arranged on one side of the transport roller 300 to protect the transport roller 300.

[0032] The pedal 200 is connected to the roller guard plate 130 and is set at an angle to the roller guard plate 130. The pedal 200 is higher than the transport roller 300 and lower than the regulating valve 140 to provide a fulcrum for the operator to adjust the regulating valve 140. In some embodiments, the top of the layer cold guard plate is connected to the pedal 200. In some embodiments, the pedal 200 is higher than the height of the transport roller 300 and lower than the height of the upper cold header 120. In some embodiments, the pedal 200 is a rectangular parallelepiped with a side length of 40 to 60 cm.

[0033] In some embodiments, the regulating valve 140 is a pneumatic butterfly valve.

[0034] In some embodiments, the pedal 200 and the roller guard plate 130 are set at an angle of 85° to 95° to prevent the pedal 200 from tilting too much and causing the operator to slip. In some embodiments, the pedal 200 and the roller guard plate 130 are set at an angle of 90°. In some embodiments, the pedal 200 and the roller guard plate 130 are set at an angle of 89°. In some embodiments, the pedal 200 and the roller guard plate 130 are set at an angle of 91°.

[0035] See also Figure 2 as well as Figure 3 In some embodiments, the pedal 200 and the roller guard plate 130 are detachably connected through multiple sets of connecting pieces 220 to facilitate movement of the pedal 200 and flow adjustment of multiple regulating valves 140; in some embodiments, multiple sets of connecting pieces 220 are provided at the bottom of the pedal 200, and the roller guard plate 130 can be snapped into the connecting pieces 220 to make the pedal 200 and the roller guard plate 130 detachably connected.

[0036] In some embodiments, the connecting member 220 is two connecting plates or connecting columns arranged opposite to each other, and the connecting member 220 and the pedal 200 together form an installation cavity for the roller guard plate 130 to extend into, so that the pedal 200 and the roller guard plate 130 can be detachably connected; in some embodiments, two connecting columns are connected to the bottom surface of the pedal 200, and the two connecting columns are arranged at intervals. When connected to the roller guard plate 130, the two connecting columns are respectively located on the side of the roller guard plate 130 close to the transport roller 300 and the side away from the transport roller 300, so that the pedal 200 is clamped on the top of the roller guard plate 130; in some embodiments, the height of the connecting column is 15 to 25 cm.

[0037] In some embodiments, a reinforcing support member 221 is provided between the pedal 200 and the roller guard plate 130 to increase the supporting effect and prevent the angle between the pedal 200 and the roller guard plate 130 from changing; in some embodiments, the reinforcing support member 221 is provided on the bottom surface of the pedal 200 and the side surface of the roller guard plate 130.

[0038] In some embodiments, the reinforcing support member 221 abuts against the side of the pedal 200 close to the transport roller 300 and the side of the roller guard plate 130 close to the transport roller 300 to increase the supporting effect and prevent the angle between the pedal 200 and the roller guard plate 130 from changing; in some embodiments, the reinforcing support member 221 is a reinforcing plate, one side of which is connected to the bottom surface of the pedal 200 and the other side is connected to the side of the roller guard plate 130.

[0039] In some embodiments, the pedal 200 is provided with a group of anti-slip spikes 210 to increase friction with the operator's soles to prevent the operator from slipping. In some embodiments, the pedal 200 is provided with an anti-slip structure. In some embodiments, the pedal 200 includes a main body and a frosted layer coated on the main body. In some embodiments, the top surface of the pedal 200 is provided with a protrusion.

[0040] In some embodiments, there are multiple groups of anti-skid spikes 210, which are spaced apart along the length direction of the pedal 200, and each group of anti-skid spikes 210 is provided with multiple anti-skid spikes 210, and multiple anti-skid spikes 210 are spaced apart along the width direction of the pedal 200 to increase the friction with the operator's sole and prevent the operator from slipping; in some embodiments, there are multiple anti-skid spikes 210, and multiple rows and columns are provided to further increase the anti-skid effect; in some embodiments, the height of the anti-skid spikes 210 is 5 to 10 mm; in some embodiments, the spacing between the anti-skid spikes 210 is 15 mm to 30 mm; in some embodiments, the top area of ​​the anti-skid spikes 210 is 5 to 10 mm to prevent the top area of ​​the anti-skid spikes 210 from being too small to damage the sole, and the top area of ​​the anti-skid spikes 210 is too large to weaken the protective effect.

[0041] In some embodiments, a first guard plate 230 is provided on the side of the pedal 200. When the operator's feet slip, the first guard plate 230 blocks the side of the shoe; in some embodiments, the pedal 200 is a rectangular parallelepiped, and the first guard plate 230 is provided around the pedal 200. In some embodiments, the height of the first guard plate 230 is 15 to 30 mm.

[0042] In some embodiments, the pedal 200 is a hollow plate to reduce the weight of the pedal 200 while ensuring structural strength, thereby facilitating the movement of the pedal 200; in some embodiments, the pedal 200 is a mesh structure.

[0043] The second embodiment of the present application provides a hot rolling production line, which is convenient for operators to adjust the regulating valve 140 and increase the flow regulation efficiency of the upper cold header 120.

[0044] The hot rolling production line provided in the embodiment of the present application includes a hot rolling mill group, a laminar cooling device and a coiler arranged in sequence according to the process; in some embodiments, the strip of the hot rolling mill group is cooled by the laminar cooling device during the process of being transported from the transport roller 300 to the coiler.

[0045] The laminar cooling device and the regulating valve adjustment process of the hot rolling production line of the present application are described in detail below:

[0046] When the flow of the upper cold header needs to be adjusted, the pedal is connected to the roller guard plate through the connector, and the operator steps on the pedal to adjust the regulating valve. After the adjustment is completed, the pedal is removed from the roller guard plate and installed to the next position to be adjusted.

[0047] The laminar cooling device and hot rolling production line of the present application have at least the following advantages:

[0048] (1) The present application has a pedal connected to the roller guard plate, which has a larger contact area with the operator's feet. Compared with the prior art, it can provide a larger fulcrum for the operator to prevent the operator from slipping, making it easier for the operator to adjust the regulating valve to increase the adjustment efficiency.

[0049] (2) The pedal of the present application is detachably connected to the roller guard plate through multiple sets of connecting parts, so that the pedal can be moved to facilitate flow adjustment of multiple regulating valves.

[0050] (3) The pedal of the present application is a hollow plate, so as to reduce the weight of the pedal while ensuring the structural strength, thereby facilitating the movement of the pedal.

[0051] (4) The side of the pedal of the present application is provided with a first guard plate, and when the operator's feet slip, the first guard plate blocks the side of the shoe.

[0052] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0053] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0054] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0055] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0056] 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 spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A laminar cooling device for cooling a steel strip on a transport roller, characterized in that: include: The cooling body comprises an upper cold header connected to a cooling water beam and a roller guard plate, wherein the roller guard plate is arranged along one side of the axial direction of the transport roller, the upper cold header is parallel to the transport roller, the pipe opening of the upper cold header faces the transport roller and is higher than the transport roller, and the upper cold header is provided with a regulating valve; A pedal is connected to the roller guard plate and is arranged at an angle with the roller guard plate, wherein the pedal is higher than the transport roller and lower than the regulating valve.

2. The laminar cooling device according to claim 1, characterized in that: The pedal and the roller guard plate are arranged at an angle of 85° to 95°.

3. The laminar cooling device according to claim 1, characterized in that: The pedal and the roller guard plate are detachably connected via a plurality of groups of connecting pieces.

4. The laminar cooling device according to claim 3, characterized in that: The connecting member is two connecting plates or connecting columns arranged opposite to each other, and the connecting member and the pedal are combined to form an installation cavity for the roller guard plate to extend into.

5. The laminar cooling device according to any one of claims 1 to 3, characterized in that: A reinforcing support is provided between the pedal and the roller guard plate.

6. The laminar cooling device according to any one of claims 1 to 3, characterized in that: A first guard plate is provided on the side of the pedal.

7. The laminar cooling device according to any one of claims 1 to 3, characterized in that: The pedal is provided with an anti-skid stud group.

8. The laminar cooling device according to claim 7, characterized in that: There are multiple groups of anti-skid nail groups, which are arranged at intervals along the length direction of the pedal. Each anti-skid nail group is provided with multiple anti-skid nails, and the multiple anti-skid nails are arranged at intervals along the width direction of the pedal.

9. The laminar cooling device according to any one of claims 1 to 3, characterized in that: The pedal is a hollow plate.

10. A hot rolling production line, characterized in that: The invention comprises a hot rolling mill set arranged in sequence according to the process, a laminar cooling device as claimed in any one of claims 1 to 9, and a coiler.

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