A hot annealing pickling unit loop anti-unhooking device

Abstract

This utility model provides a looper anti-disengagement device for a hot annealing and pickling unit, including a track, a main carriage mounted on the track, a parking bar on each of the lower sides of the main carriage along its length, the parking bars being positioned along the width of the main carriage, and a positioning plate on each side of the track along its width, the positioning plates being positioned along the length of the track, the upper part of the positioning plate forming an inclined surface, the inclined surface having an arc-shaped locking groove, the end of the parking bar away from the main carriage located in the locking groove, and a counterweight block being provided on the main carriage near the parking bar. This utility model, by setting a counterweight block on the main carriage near the parking bar, can effectively prevent the wedge-shaped, double-sided wave, or medium-wave steel belt from causing the main carriage to sway up and down when passing through the main carriage support rollers, thereby preventing the parking bar from disengaging from the locking groove of the positioning plate, causing the main carriage to move and resulting in production delays; the structure is simple and the manufacturing cost is low.

Description

Technical Field

[0001] This utility model relates to the field of pickling machine technology, and to a loose-loop anti-disengagement device for a hot annealing pickling unit. Background Technology

[0002] In the hot annealing and pickling unit, a looper is installed at the front and rear of the annealing furnace area and the pickling area. Its function is to store / release a certain amount of strip steel during operations such as coiling and welding, where the strip steel needs to be decelerated or even stopped. The hot wire inlet looper is a horizontal looper, mainly composed of a looper winch, a main trolley, and several trolleys. The main trolley, pulled by the looper winch, can haul the trolleys along the north-south direction of the rails. A parking bracket is installed every 25 meters to detach the trolleys from the main trolley and fix them to the parking bracket. Each trolley is equipped with three support rollers to support the strip steel; that is, there is a set of support rollers every 25 meters to support the strip steel, preventing strip steel from piling up between layers and causing scratches due to excessive distance between the looper trolleys.

[0003] The hot annealing and pickling unit has parking bars installed on both sides of the hook of the looper trolley at the inlet. The parking bars are fixed in the grooves of the parking bracket. Therefore, during normal production, the trolley stops at the parking position by the parking bars and will not detach from the parking position, causing a hooking accident. However, due to the wedge shape, double-sided waves, and central waves of the hot-rolled strip, the strip will cause the trolley to sway up and down when passing through the support rollers of the looper trolley. This is similar to the severe bumps when riding a bicycle on a gravel road. Therefore, the swaying parking bars are very likely to detach from the grooves of the parking bracket. The looper trolley cannot be fixed in the parking position, resulting in hooking. Under the action of the strip's gravity, the hooked trolley moves to the south and causes its southernmost trolley to collide with the southernmost bracket. This results in the looper trolleys, which should be evenly distributed, having the main trolley at the northernmost end of the looper and the trolleys concentrated at the southernmost end, with a distance of more than 75 meters between the two ends. The three layers of strip are stacked together due to gravity, causing scratches and defects, and production is forced to stop. Utility Model Content

[0004] The purpose of this utility model is to address the problem in the background art where the vibration of the looper trolley caused by the steel strip passing through it leads to the trolley disengaging and moving. This invention provides a looper anti-disengagement device for hot annealing and pickling units.

[0005] Therefore, the present invention adopts the following technical solution:

[0006] A loose-hook anti-disengagement device for a hot annealing and pickling unit includes a track, on which a main carriage is mounted. A parking bar is located on the lower part of each side of the main carriage along its length. The parking bars are positioned along the width of the main carriage. A positioning plate is located on each side of the track along its width, and the positioning plate is positioned along the length of the track. The upper part of the positioning plate forms an inclined surface, and an arc-shaped locking groove is provided on the inclined surface. The end of the parking bar furthest from the main carriage is located within the locking groove. A counterweight is located on the main carriage near the parking bar.

[0007] Furthermore, the parking barrier is horizontally positioned.

[0008] Furthermore, a reinforcing plate is fixed to one side of the parking barrier, and the reinforcing plate is horizontally arranged.

[0009] Furthermore, a parking bracket is provided on both sides of the main vehicle along its length, and the positioning plate is fixed on the parking bracket.

[0010] Furthermore, the positioning plate is vertically arranged.

[0011] Furthermore, a sleeve is fitted onto the end of the parking lever away from the main vehicle, and the sleeve is located in the locking groove.

[0012] The beneficial effects of this utility model are as follows: setting a counterweight block near the parking pole of the main vehicle can effectively prevent the main vehicle from shaking up and down when the wedge-shaped, double-sided wave or medium-wave steel belt passes through the main vehicle support roller, thereby preventing the parking pole from falling out of the positioning plate's slot, causing the main vehicle to move and causing production defects; the structure is simple and the manufacturing cost is low. Attached Figure Description

[0013] Figure 1 This is a schematic front view of the structure of this utility model;

[0014] Figure 2 This is a top view illustrating the structure of this utility model;

[0015] In the diagram, 1-track, 2-main vehicle, 3-parking pole, 4-positioning plate, 5-parking bracket, 6-inclined surface, 7-slot, 8-sleeve, 9-counterweight block, 10-stiffening plate. Detailed Implementation

[0016] The present invention will now be described in detail with reference to the accompanying drawings:

[0017] like Figure 1 and 2As shown, a looper anti-disengagement device for a hot annealing and pickling unit includes a track 1, on which a main carriage 2 is mounted. The main carriage 2 is a conventional looper main carriage, equipped with support rollers, etc. A parking bar 3 is located on the lower part of each side of the main carriage 2 along its length. The parking bars 3 are horizontally positioned along the width of the main carriage 1. A positioning plate 4 is located on each side of the track 1 along its length. Specifically, a parking bracket 5 is located on each side of the track 1 along its length, and the positioning plates 4 are fixed to the parking bracket 5. The positioning plates 4 are used to fix the position of the main carriage 1 when it is stationary at a certain set position. Multiple positioning plates 4 are installed at corresponding positions on the track 1 for the parking points of the main carriage 2. To facilitate parking of the main vehicle 2 at different positions, the upper part of the positioning plate 4 forms an inclined surface 6, and the inclined surface 6 is provided with an arc-shaped locking groove 7. The end of the parking pole 3 away from the main vehicle 2 is located in the locking groove 7. Specifically, a sleeve 8 is fitted on the end of the parking pole 3 away from the main vehicle 2. The sleeve 8 can rotate on the parking pole 3 and is located in the locking groove 7. When the main vehicle 1 moves, the parking poles 3 on both sides move with the main vehicle 2. When the sleeve 8 at the end of the parking pole 3 enters the locking groove 7 of the positioning plate 4, it can restrict the movement of the main vehicle 2 and realize parking. A counterweight 9 is provided near the parking pole 3 of the main vehicle 2. The counterweight 9 can prevent the main vehicle 2 from shaking up and down, thereby allowing the parking pole 3 to disengage from the locking groove 7.

[0018] To prevent the parking barrier 3 from bending or breaking under external force, a stiffening plate 10 is fixed on one side of the parking barrier 3, and the stiffening plate 10 is set horizontally.

[0019] The method of using this utility model is as follows:

[0020] During the operation of the pickling machine, the main carriage 2 of the looper stops at the corresponding position on the track 1. Specifically, the main carriage 2 and the parking pole 3 can be lifted upwards using a hook in the existing conventional method, raising the height of the parking pole 3, and then moving the carriage body so that the sleeve 8 of the parking pole 3 is located in the locking groove 7 of the inclined surface 6 on the top of the positioning plate 4. When the hot-rolled incoming plate has problems such as wedge shape, double-sided wave, and middle wave, the strip will cause the main carriage 2 to sway up and down when it passes through the support roller on the main carriage 2. The counterweight 9 can effectively prevent the main carriage 2 from swaying up and down, thereby causing the parking pole 3 to sway up and down with the main carriage 2, so that the sleeve 8 is dislodged from the locking groove 7. This ensures that the main carriage 2 does not move along the track 1 under the action of the external force of the steel strip, ensuring the normal operation of the looper and ensuring stable production.

Claims

1. A heat annealing pickling line loop unhooking device, characterized in that, Includes a track (1), on which a main vehicle (2) is provided. A parking pole (3) is provided on each of the lower sides of the main vehicle (2) along its length. The parking pole (3) is set along the width direction of the main vehicle (2). A positioning plate (4) is provided on each side of the track (1) along its width direction. The positioning plate (4) is set along the length direction of the track (1). An inclined surface (6) is formed on the upper part of the positioning plate (4). A slot (7) with an arc-shaped structure is provided on the inclined surface (6). The end of the parking pole (3) away from the main vehicle (2) is located in the slot (7). A counterweight (9) is provided on the main vehicle (2) near the parking pole (3).

2. A hot annealing pickling line loop unhooking device according to claim 1, characterized in that The parking barrier (3) is set horizontally.

3. The anti-unhooking device for a hot annealing and pickling line loop according to claim 1, characterized in that, A stiffening plate (10) is fixed on one side of the parking pole (3), and the stiffening plate (10) is horizontally arranged.

4. The anti-unhooking device for a hot annealing and pickling line loop according to claim 1, characterized in that, The main vehicle (2) has a parking bracket on both sides along its length, and the positioning plate (4) is fixed on the parking bracket.

5. The anti-unhooking device for a hot annealing and pickling line loop according to claim 1, characterized in that, The positioning plate (4) is set vertically.

6. The anti-disengagement device for the loose sleeve of a hot annealing and pickling unit according to claim 1, characterized in that, The parking pole (3) is fitted with a sleeve (8) at the end away from the main vehicle (2), and the sleeve (8) is located in the locking groove (7).

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