CN210340990U - Steel sheet stack is slowly cooled with flexible heat preservation cover - Google Patents

Abstract

The utility model discloses a flexible heat preservation cover for slow cooling of a steel plate stack, which comprises a guide rail, a frame with a grooved wheel at the bottom and tarpaulin arranged on the frame; the frame comprises a driving frame and a driven frame, and the driving frame and the driven frame are connected in a matched mode through expansion joints; the guide rail is arranged below the ground and matched with the grooved wheel; a speed reducing motor and a synchronous chain wheel shaft matched with the speed reducing motor are arranged on the upper side of the driving frame, and two ends of the synchronous chain wheel shaft exceed the frame and are matched with a driving wheel with a chain wheel through a synchronous chain; the tarpaulin is fixed on the inner side of the frame through a fixing strip, and the fixing strip is connected with the frame through a fixing bolt. The utility model discloses the structure has flexible function, very big reduction the occupation space of equipment. The telescopic section is an expansion joint, so that the tarpaulin does not need to be dragged and generate friction with the frame when being stretched, the heat-preservation cloth can be effectively protected, and the service life of the heat-preservation cloth is prolonged.

Description

Steel sheet stack is slowly cooled with flexible heat preservation cover

Technical Field

The utility model belongs to the technical field of metallurgical steel production and processing, concretely relates to steel sheet stack slow cooling is with flexible heat preservation cover for control steel sheet slow cooling keeps warm.

Background

The stacking slow cooling after the rolling of the steel plate is an important production process in the production process of ferrous metallurgy, and aims to make up the defect that the performance of the steel plate is not suitable due to uneven internal structure and large fluctuation of mechanical property indexes of the steel plate after the rolling. The uniformity of the internal structure of the steel plate and the technological requirements of the mechanical property can be improved by timely taking off the rolled steel plate for heat preservation. The traditional heat preservation cover is in a form that a rock wool structure or heat preservation cloth is installed in the middle of a steel structure, the steel structure heat preservation cover is high in manufacturing cost, time and labor are wasted in carrying, the heat preservation cover is not easy to repair after deformation, and the production requirement can be met only by manufacturing a large number of steel plates with long and wide specifications and a large number of steel plates in stack positions, so that the heat preservation cover occupies a large ground space; the form of the heat-insulating cloth needs to be carried manually, the heat-insulating cloth is easy to scratch, the service life is only two or three months, and the heat-insulating effect of the steel plate is also influenced after the heat-insulating cloth is damaged. In order to effectively save cost, utilize space and achieve good heat preservation effect, a telescopic heat preservation cover with low cost is needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel sheet stack is slowly cold with flexible heat preservation cover to solve the problem among the prior art.

The utility model discloses a realize through following technical scheme: a steel plate stacking slow cooling telescopic heat preservation cover comprises a guide rail, a frame with a grooved wheel at the bottom and tarpaulin arranged on the frame; the frame comprises a driving frame and a driven frame, and the driving frame and the driven frame are connected in a matched mode through expansion joints; the guide rail is arranged below the ground and matched with the grooved wheel; a speed reducing motor and a synchronous chain wheel shaft matched with the speed reducing motor are arranged on the upper side of the driving frame, and two ends of the synchronous chain wheel shaft exceed the frame and are matched with a driving wheel with a chain wheel through a synchronous chain;

the tarpaulin is fixed on the inner side of the frame through a fixing strip, and the fixing strip is connected with the frame through a fixing bolt.

Further: the telescopic joint is a plurality of diamonds which are formed by hinging four connecting rods, and two opposite vertexes of the diamonds are respectively hinged on the adjacent frames.

Further: in the rhombuses on the same side in the same frame interval, the remaining two corresponding vertexes are hinged with synchronous connecting rods.

The utility model discloses the beneficial effect of structure is: the utility model discloses the structure has flexible function, very big reduction the occupation space of equipment. The telescopic section is adopted, so that the uniform operation of the driven frame can be ensured, the heat-insulating cloth can be fixed on the frame at fixed intervals in advance, and when the heat-insulating cloth is stretched, the heat-insulating cloth can be effectively protected by only expanding the heat-insulating cloth in a single frame interval without dragging or friction with the frame. The slow cooling steel plate can be completely sealed inside the heat preservation cover, and the process requirements of improving the uniformity and the mechanical property of the internal structure of the steel plate can be met. The utility model discloses the structure has still alleviateed artifical intensity of labour, and manufacturing cost is lower.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic top view of the active frame portion;

fig. 4 is a schematic view of a structure of the driving wheel and the track.

The sequence numbers in the figures illustrate: 1 is driven frame, 2 is the telescopic joint, 3 is from the driving wheel, 4 is gear motor, 5 is initiative frame, 6 is the electric cabinet, 7 is the action wheel, 8 is drive chain, 9 is synchronous sprocket shaft, 10 is the tarpaulin, 11 is synchronous chain, 12 is the guide rail.

Detailed Description

As shown in fig. 1-4, the utility model relates to a telescopic heat preservation cover for slow cooling of steel plate stacking, which comprises a guide rail 12, a frame with a grooved wheel at the bottom and a tarpaulin 10 arranged on the frame; the frame is in a 'Jiong' shape and comprises a driving frame 5 and a plurality of driven frames 1, and the driving frame and the driven frames are connected in a matching way through expansion joints 2; the guide rail is arranged below the ground and matched with the grooved wheel; a speed reducing motor 4 (or a motor with a speed reducer) and a synchronous chain wheel shaft 9 matched with the speed reducing motor are arranged on the upper side of the driving frame, and the synchronous chain wheel shaft is fixed on the main frame through a bearing seat with a bearing and matched with the speed reducing motor in a gear or chain wheel mode; the two ends of the synchronous chain wheel shaft exceed the frame and are matched with the driving wheel 7 with the chain wheel 71 through a synchronous chain 11, so that the driving wheel is driven to rotate; the chain wheel is coaxially fixed with the driving wheel;

the tarpaulin is heat-insulating cloth and is fixed on the inner side of the frame through a fixing strip, and the fixing strip is a long steel strip and is fixed on the frame through a fixing bolt; the tarpaulin is clamped between the steel band and the frame.

Preferably: the telescopic joint is a plurality of rhombuses (four vertexes of the telescopic joint are respectively from a first vertex to a fourth vertex) formed by hinging four connecting rods, and two opposite vertexes (the first vertex and the third vertex) of each rhombus are respectively hinged on adjacent frames. Furthermore, two adjacent rhombuses on two sides of the frame are hinged on the same point of the frame, and two sides symmetrical relative to the hinge point (such as the right lower side of the rhombus on the left side and the left upper side of the right side) are of an integral structure, and the structure can enable the force of the driving frame to be uniformly transmitted into each interval, so that the whole frame can uniformly move forwards.

Preferably: in more than two telescopic joints in the same plane (three planes including two sides and the top surface of the Jiong-shaped frame) between two adjacent frames, the rest corresponding vertexes (such as the second vertex on each telescopic joint) are hinged with synchronous connecting rods 21, so that the plurality of telescopic joints can synchronously move, the force transmission is uniform, and each frame can stably vertically run.

Preferably: the upper side of the frame is provided with an arc-shaped auxiliary frame, the outer side of the auxiliary frame is provided with tarpaulin, and the lower side of the auxiliary frame is provided with vertical tarpaulin in a hanging manner, so that the upper part of the whole body is divided into a plurality of independent areas, and the heat insulation performance is improved; meanwhile, the arc-shaped auxiliary frame also increases the overall strength.

Preferably, each side of the lower part of the driving frame is provided with two groups of driving wheels, the two groups of driving wheels are connected through a transmission chain 8, and one group of driving wheels is matched with the synchronous chain wheel shaft.

Preferably, the active frame is further provided with an electric cabinet 6 for connecting an external power supply, a speed reduction motor and the like.

The working process of the utility model is as follows:

when the structure is in a non-working state, the frame and the heat-insulating tarpaulin are in a close fit state. After the steel plates covered by the heat-insulation cover are stacked, controlling a speed reduction motor to start; at this moment, gear motor drives synchronous sprocket shaft rotatory, and synchronous sprocket shaft drives synchronous chain motion through the sprocket at both ends, and then drives the action wheel that has the sprocket and rotate, makes the initiative frame remove to the steel sheet direction, and when the initiative frame removed, and the driven frame between the distance grow, the telescopic joint warp, with the even transmission of power to a plurality of driven frames, realizes evenly opening. When the active frame exceeds the head of the steel plate, the power supply of the speed reducing motor is closed, and then the tarpaulin curtain on the active frame is manually pulled up and fastened, so that the heat preservation work of the steel plate can be realized.

Example 1

A steel plate stacking slow cooling is with flexible heat preservation cover, can satisfy 35 meters of length, wide 4.5 meters steel plate stack uses, and the maximum stack height can reach 2 meters. The heat-insulating cover comprises 2 groups of 40-meter guide rails, 35 driven frames, 1 driving frame, 10 meters multiplied by 40 meters multiplied by 1 millimeter of heat-insulating tarpaulin and the like. The guide rail is fixed on a cement foundation or a base steel material through bolts, a light rail can be arranged 20mm below the ground of a stacking field, and a steel plate is embedded below the light rail so as to ensure the consistency of rail elevation. Driven frame adopts 100 mm's square steel as flexible skeleton, in order to prevent that the frame span is big and the thermal deformation, and the frame top adopts ridge shape structural design, and frame below both sides are equipped with from the driving wheel, are the sheave from the driving wheel to guarantee the operation in-process not skew track, in order to guarantee that the distance is even between the driven frame and operate steadily, both sides respectively are equipped with 2 sets of telescopic joint. The driving frame adopts 100mm 200mm square steel as main material, 2 pairs of driving wheels are respectively arranged below two sides, a speed reducing motor and a synchronizing shaft with a chain wheel are installed on the upper portion of the driving frame, a 20B chain is adopted to connect the top chain wheel with the lower driving wheel so as to ensure that kinetic energy of the speed reducing motor is transmitted to the driving wheels, and 2 groups of telescopic joints are also adopted on two sides of the driving frame to be connected with the driven frame so as to realize the integral operation continuity and stability of all the frames. The heat-preservation tarpaulin is arranged on the inner side of each frame, the tarpaulin is tightly held on the inner surface of each frame through bolts and strip-shaped steel bands, and in order to ensure that the tarpaulin is not damaged due to pulling stress after each frame is elongated, the fastening distance of the tarpaulin on each frame is larger than the maximum distance of each frame. The electric control device mainly comprises a telescopic cable, a wireless controller and a mobile control box, the telescopic cable is hung outside the frame, the control box is fixed on the driving frame, a communicator matched with the wireless controller is arranged in the control box, and the specific structure of the electric control device is the same as that of the existing structure.

Claims (4)

1. The utility model provides a steel sheet stack is slowly cold with flexible heat preservation cover which characterized in that: comprises a guide rail, a frame with a grooved wheel at the bottom and tarpaulin arranged on the frame; the frame comprises a driving frame and a driven frame, and the driving frame and the driven frame are connected in a matched mode through expansion joints; the guide rail is arranged below the ground and matched with the grooved wheel; a speed reducing motor and a synchronous chain wheel shaft matched with the speed reducing motor are arranged on the upper side of the driving frame, and two ends of the synchronous chain wheel shaft exceed the frame and are matched with a driving wheel with a chain wheel through a synchronous chain;

the tarpaulin is fixed on the inner side of the frame through a fixing strip, and the fixing strip is connected with the frame through a fixing bolt.

2. The telescopic heat-insulating cover for slow cooling of the steel plate stack as claimed in claim 1, wherein: the telescopic joint is a plurality of diamonds which are formed by hinging four connecting rods, and two opposite vertexes of the diamonds are respectively hinged on the adjacent frames.

3. The telescopic heat-insulating cover for slow cooling of the steel plate stack as claimed in claim 2, wherein: in the rhombuses on the same side in the same frame interval, the remaining two corresponding vertexes are hinged with synchronous connecting rods.

4. The telescopic heat-insulating cover for slow cooling of the steel plate stack as claimed in claim 1, wherein: the frame is of a 20866;, an arc-shaped auxiliary frame is arranged on the upper side of the frame, tarpaulin is arranged on the outer side of the auxiliary frame, and vertical tarpaulin is arranged on the lower side of the auxiliary frame.

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