CN220393097U - Replacement device for hydraulic cylinder of cooling vehicle in rolling mill - Google Patents

Abstract

The utility model discloses a replacement device for a cooling car hydraulic cylinder in a rolling mill, which comprises a supporting frame, at least two track wheels, at least two rubber wheels, a spearhead hook and a chain block, wherein the supporting frame comprises a cross beam, a first vertical supporting frame and a second vertical supporting frame which are respectively connected with two opposite ends of the cross beam, the track wheels are all arranged at the bottom ends of the first vertical supporting frame, the rubber wheels are all arranged at the bottom ends of the second vertical supporting frame, the track wheels are higher than the rubber wheels, the spearhead hook is hung on the cross beam, the spearhead hook can move along the cross beam, the chain block is hung below the spearhead hook, and the chain block is used for hanging the cooling car hydraulic cylinder in the rolling mill, wherein the replacement device falls on the original track of the cooling car when in a use state, and the rubber wheels fall on the ground. The hydraulic cylinder is smoothly moved out of the original position of the pit through the device, so that the operation of repeatedly transporting the narrow space in the rolling mill by using the chain block during replacement is avoided, a large amount of manpower and time are saved, and the potential safety hazard in the operation is eliminated.

Description

Replacement device for hydraulic cylinder of cooling vehicle in rolling mill

Technical Field

The utility model relates to the technical field of auxiliary lifting appliances of rolling mills, in particular to a replacement device for a hydraulic cylinder of a cooling vehicle in a rolling mill.

Background

A cooling car device is designed between the internal frames of the rolling mill of a certain unit, the wire inlet action of the cooling car is driven by a hydraulic cylinder, the hydraulic cylinder is arranged below a cooling car track and covered by a grating plate, and a pit with a drop height of 1.8 meters is arranged below the hydraulic cylinder. The track surface of the cooling vehicle in the rolling mill is 450mm higher than the outer ground of the rolling mill, and an operating platform with the length of 2m is arranged in the middle.

Because the space in the rolling mill is narrow and greasy dirt is more, need use the chain block to transport repeatedly when changing this pneumatic cylinder, this process needs to consume a large amount of manpowers and time, and hoist and mount operation repeatedly also has very big potential safety hazard simultaneously.

Disclosure of Invention

The application provides a change device for inside cooling car pneumatic cylinder of rolling mill has solved the inside cooling car pneumatic cylinder of rolling mill and has had inconvenient and great potential safety hazard's of existence technical problem when changing.

The application provides a change device for inside cooling car pneumatic cylinder of rolling mill, including braced frame, two at least rail wheels, two at least rubber tyes, spear hook and chain block, braced frame includes the crossbeam and erects the support frame with the first of being connected with the crossbeam relative both ends respectively and erects the support frame with the second, the rail wheel is all installed in the bottom of erecting the support frame first, the rubber tyes are all installed in the bottom of erecting the support frame second, the rail wheel is higher than the rubber tyes, spear hook hangs on the crossbeam, and spear hook can follow the crossbeam and remove, the chain block hangs in spear hook below, the chain block is used for hanging inside cooling car pneumatic cylinder of rolling mill, wherein, change device is in under the user state, the rail wheel falls on the original track of cooling car, the rubber tyes fall on subaerial.

In some embodiments, the support frame further comprises a diagonal beam connected to both the cross beam and the first vertical support frame, and a diagonal beam connected to both the cross beam and the second vertical support frame.

In some embodiments, the rail wheel is 450mm higher than the glue wheel.

In some embodiments, the chain block may move the mill internal cooling car hydraulic cylinders up 500mm from the home position.

In some embodiments, the exchange device is in use and the spearhead hook is movable to a position directly above the center of gravity of the cooling car cylinder in the mill.

In some embodiments, the support frame has two rail wheels mounted on one side and two glue wheels mounted on the other side.

In some embodiments, the first upright support frame is bolted to the rail wheel.

In some embodiments, the second vertical support frame is bolted to the rubber wheel.

In some embodiments, the cross member is welded to the first upright support frame.

In some embodiments, the cross member is welded to the second vertical support frame.

The beneficial effects of the application are as follows: the device comprises a supporting frame, at least two rail wheels, at least two rubber wheels, a spearhead hook and a chain block, wherein the rail wheels are dropped on the original rail of the cooling vehicle, the rubber wheels are dropped on the ground, the chain block lifts the hydraulic cylinder to be replaced, the hydraulic cylinder is lifted upwards from the original position of a pit, and the hydraulic cylinder is transversely moved along with the whole device and is used with a crown block in a follow-up mode; the hydraulic cylinder is smoothly moved out of the original position of the pit through the device, so that the operation of repeatedly transporting the narrow space in the rolling mill by using the chain block during replacement is avoided, a large amount of manpower and time are saved, and the potential safety hazard in the operation is eliminated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present utility model.

Fig. 1 is a schematic structural view of a replacing device for a hydraulic cylinder of a cooling car in a rolling mill.

The drawings are marked: 100-supporting frames, 110-crossbeams, 120-first vertical supporting frames, 130-second vertical supporting frames, 140-diagonal beams, 200-rail wheels, 300-rubber wheels, 400-spearhead hooks and 500-chain blocks.

Detailed Description

The application discloses a device for replacing a hydraulic cylinder of a cooling car in a rolling mill, fig. 1 is a schematic structural diagram of the device, please refer to fig. 1, and the device comprises a supporting frame 100, at least two rail wheels 200, at least two rubber wheels 300, a spearhead hook 400 and a chain block 500. The support frame 100 includes a cross beam 110, a first vertical support frame 120 and a second vertical support frame 130, the first vertical support frame 120 and the second vertical support frame 130 are respectively connected with opposite ends of the cross beam 110, the rail wheels 200 are all installed at the bottom end of the first vertical support frame 120, and the rubber wheels 300 are all installed at the bottom end of the second vertical support frame 130. The spacing between the rail wheel 200 and the beam 110 is defined to be smaller than the spacing between the rubber wheel 300 and the beam 110, and the rail wheel 200 is higher than the rubber wheel 300 in the use state as shown in fig. 1. The spearhead hook 400 is suspended from the cross-beam 110, and the spearhead hook 400 is movable along the cross-beam 110, with a chain block 500 suspended below the spearhead hook 400, the chain block 500 being used to hoist the mill internal cooling car hydraulic cylinders. In a specific use state of the device, the rail wheel 200 falls on the original rail of the cooling vehicle, and the rubber wheel 300 falls on the ground.

A cooling car device is designed between the internal frames of a rolling mill of a certain unit, and the hydraulic cylinder of the cooling car in the rolling mill refers to a hydraulic cylinder for driving the wire inlet action of the cooling car. The hydraulic cylinder is arranged below the cooling vehicle rail and covered by the grating plate, a pit is arranged below the hydraulic cylinder, the track surface of the cooling vehicle in the rolling mill is higher than the outer ground of the rolling mill, and an operating platform with the length of 2m is arranged in the middle.

The device comprises a preparation state before replacement and a moving state of the lifting hydraulic cylinder when the device is specifically used. Before replacement, the cooling vehicle is operated to an off-line position, a pin shaft connected with the hydraulic cylinder and the cooling vehicle body is removed, then the cylinder rod of the hydraulic cylinder is retracted, and after the valve of the hydraulic valve table is manually closed, the oil pipes at the inlet and the outlet of the hydraulic cylinder and the foundation bolts are removed. Then, demolish square grid board on the pneumatic cylinder, then use the overhead traveling crane to hoist this device to operation platform top, rail wheel 200 falls on the original track of cooling car, and rubber tyer 300 falls on ground, will hang the chain hoist 500 of spearhead hook 400 below and slide to the pneumatic cylinder focus position directly over, hoist the pneumatic cylinder with chain hoist 500, wholly remove this device, take the pneumatic cylinder outside the rolling mill, realize the hoist of pneumatic cylinder.

The spearhead hook 400 is also called a monorail sports car, and is mounted on the beam 110 of the I-steel, and the spearhead hook 400 is provided with travelling wheels, so that the spearhead hook can smoothly move along the I-steel.

The rail wheel 200 of the device rolls along the original rail of the cooling vehicle and has the function of preventing deviation. Through this device, shift out the pneumatic cylinder smoothly from pit home position, avoided the operation that uses chain block 500 to transport repeatedly when changing in the interior narrow space of rolling mill, avoided manpower transport pneumatic cylinder, saved a large amount of manpowers and time, improved the security that the cooling vehicle sideslip pneumatic cylinder was changed.

The hydraulic cylinder is moved out of the original position through the device, a certain large distance is required to be moved, and an operation space is provided for the hydraulic cylinder to be lifted away by a follow-up overhead travelling crane. In some embodiments, after the hydraulic cylinder is lifted by the chain block 500, the spearhead hook 400 is pushed to the end position of the cross beam 110 and secured, and the present apparatus and the hydraulic cylinder are slid integrally. Compared with the mode of directly sliding the whole hydraulic cylinder after lifting, the whole sliding distance in the moving mode is relatively short.

In the present apparatus, the difference in height between the rail wheel 200 and the rubber wheel 300 is defined as the difference in height between the original rail of the cooling vehicle and the ground. In the actual environment where the cooling car raceway surface in the mill is 450mm higher than the mill outer ground, the rail wheel 200 is defined to be 450mm higher than the rubber wheel 300.

The track surface of the cooling vehicle in the rolling mill is 450mm higher than the outer ground of the rolling mill, and an operating platform with the length of 2m is arranged in the middle. In some embodiments, the hydraulic cylinder is lifted with the chain 500 just above the position of the cylinder's center of gravity, optionally 500mm, to avoid the operator platform.

In some embodiments, referring to fig. 1, the support frame 100 further includes diagonal beams 140, a portion of the diagonal beams 140 are simultaneously connected to the cross beam 110 and the first vertical support frame 120, and a portion of the diagonal beams 140 are simultaneously connected to the cross beam 110 and the second vertical support frame 130, so as to enhance the structural stability of the support frame 100.

The figures of part of the rail wheels 200, 300 in fig. 1 are blocked, and in some embodiments, two rail wheels 200 are installed on one side of the support frame 100, and two glue wheels 300 are installed on the other side, satisfying the use conditions.

The support frame 100 is fixedly connected to a plurality of places, for example, the first vertical support frame 120 is connected to the rail wheel 200 through bolts, and the second vertical support frame 130 is connected to the rubber wheel 300 through bolts, so that the rail wheel 200 and the rubber wheel 300 can be conveniently installed and replaced. For example, the cross beam 110 is welded to the first vertical support frame 120, the cross beam 110 is welded to the second vertical support frame 130, and the diagonal beam 140 is welded to other bars, so that the structure is stable. For example, the spearhead hook 400 and the chain block 500 may be detachably connected, and replacement of the spearhead hook 400 and the chain block 500 may be achieved.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A replacement device for a hydraulic cylinder of a cooling vehicle inside a rolling mill, characterized in that the replacement device comprises:

the support frame comprises a cross beam, and a first vertical support frame and a second vertical support frame which are respectively connected with the two opposite ends of the cross beam;

the device comprises at least two rail wheels and at least two rubber wheels, wherein the rail wheels are arranged at the bottom end of the first vertical support frame, the rubber wheels are arranged at the bottom end of the second vertical support frame, and the rail wheels are higher than the rubber wheels;

a spearhead hook suspended from the cross beam and movable along the cross beam;

a chain block hung below the spearhead hook, wherein the chain block is used for hanging a cooling vehicle hydraulic cylinder in the rolling mill;

the replacing device is in a use state, the rail wheel falls on an original rail of the cooling vehicle, and the rubber wheel falls on the ground.

2. The exchange device of claim 1 wherein said support frame further comprises a diagonal beam connected to both said cross beam and said first vertical support frame and a diagonal beam connected to both said cross beam and said second vertical support frame.

3. The changing apparatus of claim 1, wherein the rail wheel is 450mm higher than the glue wheel.

4. A changing device according to claim 3, wherein the chain is adapted to move the internal cooling car cylinder of the mill up to 500mm from the original position.

5. The exchange device of claim 1 wherein, in use, said spearhead hook is movable to a position directly above the center of gravity of said mill internal cooling car cylinder when in place.

6. The changing apparatus of claim 1, wherein said support frame has two of said rail wheels mounted on one side and two of said rubber wheels mounted on the other side.

7. The changing apparatus of claim 1, wherein the first upright support frame is bolted to the rail wheel.

8. The changing apparatus of claim 1, wherein the second vertical support frame is bolted to the rubber wheel.

9. The changing apparatus of claim 1, wherein the cross beam is welded to the first vertical support frame.

10. The exchange device of claim 1 wherein said cross beam is welded to said second vertical support frame.