CN217432653U - Roll changing device for changing guide roll of medium plate straightener - Google Patents

Abstract

The utility model provides a roll changing device for changing the guide roll of a medium plate straightener, which comprises a hydraulic cylinder; the roller changing trolley is arranged on one side of the hydraulic cylinder and is fixedly connected with the output end of the hydraulic cylinder; the two fixed roller sets are arranged on the top side of the roller changing trolley, arranged on two sides of the roller changing trolley and fixedly connected with the roller changing trolley, and any one fixed roller set is perpendicular to the telescopic direction of the hydraulic cylinder and used for transporting the guide roller; two adjusting roller sets are respectively arranged at two sides of any fixed roller set and hinged with the end parts of the fixed roller sets, and the included angle range between the adjusting roller sets and the fixed roller sets is 90-180 degrees. The roller changing device is simple and reliable, and is put into use in the field, so that the guide roller changing time is greatly shortened, the economic benefit is improved, the labor intensity of workers is reduced, and a good actual effect is obtained.

Description

Roll changing device for changing guide roll of medium plate straightener

Technical Field

The utility model relates to a roll change device field especially relates to a roll change device for changing medium plate straightener guide roll.

Background

The Fujian Sanming 3000 straightener is positioned behind the steel plate rapid cooling device and in front of a cooling bed; the main function of the straightening machine is to straighten a hot-rolled finished steel plate rolled by a main rolling mill in a hot state. The horizontal guide roller consists of a guide roller, a guide roller seat and the like, is used for filling a vacancy between the straightening roller and the roller way, smoothly guides a steel plate, prevents the steel plate from entering a trench and avoids the sliding friction between the steel plate and a guide plate.

In the prior art, the horizontal guide and guard roller is fixed in a clamping groove of a frame of a straightening machine through bearing seat bosses at two ends, and the horizontal guide and guard roller needs to be lifted to a certain height before being disassembled and assembled to be separated from the clamping groove, but a movable beam and a platform of the straightening machine interfere with each other above the horizontal guide and guard roller, so that a travelling crane can only be lifted and cannot transversely move, and the horizontal guide and guard roller is extremely difficult to disassemble and assemble.

Novel content

In view of the above problems, the present invention is directed to solving the above-described problems. An object of this neotype is to provide one kind in the solution above problem and be used for changing the roll changing device of medium plate straightener guide roll, the walking beam and straightener platform influence to it when solving guide roll dismouting.

The roll changing device for changing the guide roll of the medium plate straightener comprises: a hydraulic cylinder; the roller changing trolley is arranged on one side of the hydraulic cylinder and is fixedly connected with the output end of the hydraulic cylinder; the two fixed roller sets are arranged on the top side of the roller changing trolley, arranged on two sides of the roller changing trolley and fixedly connected with the roller changing trolley, and any one fixed roller set is perpendicular to the telescopic direction of the hydraulic cylinder and used for transporting the guide roller; two adjusting roller sets are respectively arranged at two sides of any fixed roller set and hinged with the end parts of the fixed roller sets, and the included angle range between the adjusting roller sets and the fixed roller sets is 90-180 degrees.

Preferably, the fixed set of rollers or the set of adjusting rollers each comprise: two partition plates; and the roller is fixed between the two partition plates through the rotor.

Preferably, the length of the set of adjustment rolls does not exceed 1/2 for the length of the set of fixed rolls.

Preferably, the length of the adjustable roller set is at least 1/4 greater than the length of the fixed roller set.

Preferably, the two adjusting roller sets positioned on the same side of the fixed roller set are coaxially arranged, and the sum of the lengths of the two adjusting roller sets is not less than the length of the roller changing vehicle.

Preferably, the two adjusting roller sets are symmetrically arranged on two sides of the fixed roller set.

The novel roll changing device for changing the guide roll of the medium plate straightener has the following technical effects:

the roller changing device for changing the guide roller of the medium plate straightener is simple and reliable, and is put into use in the field, so that the guide roller changing time is greatly shortened, the economic benefit is improved, the labor intensity of workers is reduced, and a good actual effect is achieved.

Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the present invention. To a person skilled in the art, without inventive effort, other figures can be derived from these figures.

FIG. 1 is a structural diagram of a roll changing device for changing a guide roll of a medium plate straightener;

FIG. 2 is a state diagram of the novel adjusting roller set when the adjusting roller set is retracted;

FIG. 3 is a state diagram of the novel adjusting roller set when the adjusting roller set is unfolded;

FIG. 4 is a structural view of the adjusting roller set of the present invention;

FIG. 5 is a state diagram of the use process 1 of the novel roll changing device;

FIG. 6 is a state diagram of the use process 2 of the novel roll changing device;

fig. 7 is a state diagram of the using process 3 of the novel roll changing device.

In the figure: 10. a hydraulic cylinder; 11. roll changing vehicle; 20. fixing the roller set; 21. adjusting the roller set; 30. a partition plate; 31. a roller; 32. a rotor; 100. straightening machine upright posts; 101. a movable beam of the straightening machine; 102. a guide roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The roller changing device for changing the guide and guard roller of the straightening machine for medium and heavy plates will be described in detail with reference to the accompanying drawings and examples.

Example 1

A roll changing device for changing a guide roll of a straightening machine for medium and heavy plates comprises:

a hydraulic cylinder 10; the roller changing trolley 11 is arranged on one side of the hydraulic cylinder 10 and is fixedly connected with the output end of the hydraulic cylinder 10; the two fixed roller sets 20 are arranged on the top side of the roller changing trolley 11, arranged on two sides of the roller changing trolley 11 and fixedly connected with the roller changing trolley 11, and any one fixed roller set 20 is perpendicular to the telescopic direction of the hydraulic cylinder 10 and used for transporting guide rollers; two adjusting roller sets 21 are respectively arranged at two sides of any fixed roller set 20, are hinged with the end part of the fixed roller set 20, and form an included angle of 90-180 degrees with the fixed roller set 20.

What this application was mainly solved is that current horizontal guide defends roller hoist and mount, dismantles, replaces inconvenient problem. The specific process comprises the following steps:

s1 the roll changing device is arranged on the roll changing track;

s2, pushing the roll changing trolley 11 into the inner side of the straightening machine through the hydraulic cylinder 10;

s3 loosening the guide roller fastening bolt, and hoisting the guide roller to be replaced by 80 mm;

s4, unfolding the adjusting roller group 21 until the adjusting roller group 21 is vertical to the fixed roller group 20;

s5, the guide roller to be replaced falls down to the adjusting roller set 21, and the guide roller is pushed in by tools such as a pry bar and the like and moves to the center of the fixed roller set 20;

s6 retracting the adjustment roller group 21;

s7, retracting the hydraulic cylinder 10 and the guide roller to be replaced through the hydraulic cylinder 10;

s8, placing the new guide roller on the fixed roller group 20;

s9, pushing the roller changing car 11 into the inner side of the straightening machine through the hydraulic cylinder 10;

s10 unfolding the adjusting roller set 21 until the adjusting roller set 21 is vertical to the fixed roller set 20;

s11, moving the new guide roller to the adjusting roller group 21;

s12, hoisting a new guide roller;

s13 retracting the adjusting roller group 21 and withdrawing the roller changing vehicle 11;

s14, installing the new guide roller on the straightening machine.

In actual use, in order to avoid the deviation of the unfolded adjusting roller set 21, the adjusting roller set 21 is hinged with a limiting strip, the roller changing trolley 11 is provided with a limiting block, and the limiting strip can be clamped on the limiting block.

The contact surface of the limiting strip and the limiting block is a cambered surface, so that the limiting strip can be conveniently clamped on the limiting block.

Wherein, 4 adjust the roller set 21 and fix at fixed roller set 20 both sides face with the round pin axle, adjust roller set 21 and regard fixed round pin axle as the swing of central line, can be parallel with fixed roller set 20 side or perpendicular.

Through foretell operation, can avoid walking beam and straightener platform to dismantling the interference of guarding roller, make things convenient for horizontal guarding roller dismouting.

Example 2

Specifically, each of the fixed roller group 20 or the adjusting roller group 21 includes: two partition plates 30; the roller 31 is fixed between the two partition plates 30 by a rotor 32.

The roller 31 is fixed on the fixed roller group 20 or the adjusting roller group 21 through a pin shaft, so that the guide roller can roll and move transversely on the roller changing device.

Example 3

The length of the adjusting roller set 21 does not exceed 1/2 of the length of the fixed roller set 20.

Wherein, set up like this, can avoid adjusting roller set 21 and can avoid interfering with the straightener stand, simultaneously, avoid adjusting roller set 21 perk.

Example 4

The length of the adjusting roller set 21 is at least 1/4 greater than the length of the fixed roller set 20.

Wherein, enough big contact surface and guide roller can be guaranteed and place.

Example 5

The two adjusting roller sets 21 positioned on the same side of the fixed roller set 20 are coaxially arranged, and the sum of the lengths of the two adjusting roller sets 21 is not less than the length of the roller changing vehicle 11.

Wherein, through setting up like this, can make things convenient for the guide and guard roller to remove to fixed roller set 20 from adjusting roller set 21 on.

Example 6

The two adjusting roller sets 21 are symmetrically arranged at both sides of the fixed roller set 20.

Example 7

The roll changing cart 11 is connected with the telescopic end of the hydraulic cylinder 10 through a positioning rod by using a bolt, so that the roll changing cart 11 can be conveniently disassembled and assembled in daily life.

The application is used for changing the roll changing device working principle of the guide and guard roll of the medium plate straightener:

when the device works, the roll changing device is arranged on the roll changing track; pushing a roll changing trolley 11 into the inner side of the straightening machine through a hydraulic cylinder 10; hoisting the guide roller to be replaced; unfolding the adjusting roller set 21 until the adjusting roller set 21 is vertical to the fixed roller set 20; lowering the guide and guard roller to be replaced onto the regulating roller set 21 and moving the guide and guard roller to be replaced onto the fixed roller set 20; retracting the set of adjusting rollers 21; the hydraulic cylinder 10 and the guide roller to be replaced are retracted through the hydraulic cylinder 10; placing the new guide roller on the fixed roller set 20; a roller changing car 11 is pushed into the space between two vertical columns of the straightening machine through a hydraulic cylinder 10; unfolding the adjusting roller set 21 until the adjusting roller set 21 is vertical to the fixed roller set 20; moving the new guide roller to the adjusting roller group 21; hoisting a new guide roller; retracting the adjusting roller group 21 and withdrawing the roller changing vehicle 11; and installing the new guide roller on the straightening machine.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above embodiments are merely to illustrate the technical solution of the present invention, not to limit the same, and the present invention is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the true spirit and scope of the novel concept as defined by the appended claims.

Claims (6)

1. The utility model provides a roll-changing device for changing medium plate straightener guide roll which characterized in that includes:

a hydraulic cylinder (10);

the roller changing trolley (11) is arranged on one side of the hydraulic cylinder (10) and is fixedly connected with the output end of the hydraulic cylinder (10);

the two fixed roller sets (20) are arranged on the top side of the roller changing trolley (11), arranged on two sides of the roller changing trolley (11) and fixedly connected with the roller changing trolley (11), and any one fixed roller set (20) is perpendicular to the telescopic direction of the hydraulic cylinder (10) and is used for transporting guide rollers;

the two adjusting roller sets (21) are respectively arranged at two sides of any one fixed roller set (20), are hinged with the end part of the fixed roller set (20), and form an included angle of 90-180 degrees with the fixed roller set (20).

2. The roll changing device for changing the guide and guard rolls of the straightener of medium plates according to claim 1, wherein the fixed roll group (20) or the adjusting roll group (21) each comprises:

two partition plates (30);

and the roller (31) is fixed between the two partition plates (30) through a rotor (32).

3. The roll changing device for changing the guide roll of the straightening machine of the medium plate according to claim 1,

the length of the adjusting roller group (21) does not exceed 1/2 of the length of the fixed roller group (20).

4. The roll changing device for changing the guide and guard roll of the straightening machine for medium and thick plates according to claim 1,

the length of the adjusting roller group (21) is at least greater than 1/4 of the length of the fixed roller group (20).

5. The roll changing device for changing the guide roll of the straightening machine of the medium plate according to claim 1,

the two adjusting roller sets (21) positioned on the same side of the fixed roller set (20) are coaxially arranged, and the sum of the lengths of the two adjusting roller sets (21) is not less than the length of the roller changing car (11).

6. The roll changing device for changing the guide roll of the straightening machine of the medium plate according to claim 1,

the two adjusting roller sets (21) are symmetrically arranged at two sides of the fixed roller set (20).

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