CN214488343U

CN214488343U - Integral roll changing bracket

Info

Publication number: CN214488343U
Application number: CN202023309024.5U
Authority: CN
Inventors: 王茜; 刘楷勤; 付春婵; 付文革; 黄引团
Original assignee: Sinosteel Xian Machinery Co Ltd
Current assignee: Sinosteel Xian Machinery Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-26
Anticipated expiration: 2030-12-31

Abstract

The application discloses an integral roll changing bracket which comprises a bracket, a positioning bracket and a lifting lug, wherein the bracket is used for being installed in a frame of a straightening machine; the bracket comprises a bottom plate and side plates arranged on two sides of the bottom plate, and the bottom plate and the side plates on the two sides form a U-shaped structure; when the bracket is arranged in the frame of the straightening machine, the upper roller system and the lower roller system of the straightening machine are both positioned between the two side plates; the positioning bracket is positioned in the bracket and can be matched with the structure of the lower roller system; the lug sets up at the curb plate top. The roller changing trolley solves the problems that in the prior art, the roller is changed through the roller changing trolley, the operation process is complex, the occupied area of equipment is large and the like, and the roller is changed through the crown block, so that the problems that the operation process is dangerous and high, the precision is difficult to guarantee and the like are solved.

Description

Integral roll changing bracket

Technical Field

The application belongs to the technical field of straightening machines, and particularly relates to an integral roll changing bracket.

Background

The straightening machine is widely applied to steel rolling production and strip steel processing production lines, and a roller system of the straightening machine is used as a core part of the straightening machine and needs to be periodically overhauled and replaced. Roll changing vehicles or hoisting roll changing are generally adopted in roll changing modes in the prior art, but the roll changing modes have certain problems.

The roll changing car is driven by the hydraulic cylinder to move to a specified station, the old roll of the straightening machine is pulled out, and the new roll is replaced and then returned to the position. The roller changing vehicle mainly has the following defects during roller changing: large floor area of equipment, complex equipment manufacture, complex piping, high requirement on installation and adjustment, inconvenient use and the like. The hoisting and roll changing mainly adopts a crown block, a steel wire rope is hung on a roll neck, then the crown block pulls the steel wire rope to hoist an old roll out, and a new roll is hoisted into a rack to be installed in the same way. The hoisting roller change mainly has the following defects: the safety coefficient of the operation process is low, the moving speed is difficult to control, the roll changing precision is difficult to ensure, and the like. Therefore, the current roll changing mode cannot meet the daily maintenance requirement of the straightening machine.

Disclosure of Invention

The embodiment of the application solves the problems that the operation process is complex, the occupied area of equipment is large and the like due to the fact that the roll changing trolley is used for changing the roll in the prior art, and the problems that the operation process is dangerous and high, the precision is difficult to guarantee and the like due to the fact that the crown block is used for changing the roll are solved.

The embodiment of the utility model provides an integral roll-changing bracket, which comprises a bracket arranged in a frame of a straightening machine, and a positioning bracket and a lifting lug which are arranged on the bracket;

the bracket comprises a bottom plate and side plates arranged on two sides of the bottom plate, and the bottom plate and the side plates on two sides form a U-shaped structure; when the bracket is arranged in the rack of the straightening machine, an upper roller system and a lower roller system of the straightening machine are positioned between the two side plates;

the positioning bracket is positioned in the bracket and can be matched with the structure of the lower roller system; the lifting lug is arranged on the top of the side plate.

Furthermore, the bottom surface of the bottom plate is provided with a pin shaft, and the bracket is connected with the straightening machine frame through the pin shaft.

Furthermore, the positioning brackets are arranged on the left side and the right side of the bottom plate, and each positioning bracket comprises a plurality of bracket groups which are matched with the lower straightening rollers in the lower roller system one by one;

each support group comprises a left support and a right support, the left support is matched with the positioning groove structure on the left side of the bearing seat of the lower straightening roller, and the right support is matched with the positioning groove structure on the right side of the bearing seat of the lower straightening roller.

Furthermore, a positioning joint for positioning the upper roll system is arranged on the side plate.

Furthermore, the side plate structure also comprises a cover plate, and the front end and the rear end of the cover plate are respectively connected with the upper parts of the two side plates.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

the embodiment of the utility model provides an integral roll changing bracket, when the roll changing bracket is used for roll changing work, a worker can quickly change the roll through the integral roll changing bracket in a straightening machine frame, and a positioning bracket can quickly position a lower straightening roll, so that the efficiency and the safety of disassembling the straightening roll are improved, and meanwhile, the accurate installation of a subsequent new straightening roll is facilitated; when roll changing is not needed, the integral roll changing bracket is arranged in the frame of the straightening machine, the roll changing bracket of the utility model can avoid the inconvenience caused by the need of arranging an area for placing the integral roll changing bracket, thereby improving the roll changing efficiency of workers and bringing more convenience; the straightening roll in the prior art is usually replaced by an upper roll system and a lower roll system separately, the utility model can realize the integral renewal of the upper roll system and the lower roll system, and can directly replace the old straightening roll after being lifted out, thereby shortening the roll changing time, reducing the times of roll changing and lifting, and greatly improving the safety in the operation process; the problems that in the prior art, the roller changing trolley needs to be arranged and the old straightening roller needs to be dragged out, the operation process is complex, the occupied area of equipment is large and the like are solved, and the problems that the roller changing is only carried out through a crown block and a steel wire rope, the operation process is dangerous, the precision is difficult to guarantee and the like can be solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an integral roll changing bracket provided by an embodiment of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is an installation schematic diagram of the whole roll changing bracket provided by the embodiment of the present invention.

Fig. 4 is a schematic diagram of the butt joint of the lower roller system and the positioning bracket.

Fig. 5 is a view a-a of fig. 4.

Fig. 6 is a schematic view of the installation of the lower roller system and the positioning bracket.

Fig. 7 is a view B-B of fig. 6.

Fig. 8 is a flowchart of a method for using the entire roll changing bracket according to an embodiment of the present invention.

Reference numerals: 1-straightening machine frame; 2-a bracket; 21-a bottom plate; 22-side plate; 3-positioning the bracket; 31-a set of scaffolds; 311-left support; 312-right support; 4-lifting lugs; 5-a pin shaft; 6-bearing seat; 61-a positioning groove; 7-positioning the joint; 8-cover plate; 9-lower roll system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 7, an overall roll changing bracket according to an embodiment of the present invention is described with a ten-roll straightener as an example. In actual production, other types of straightening machines can be adapted according to the technical idea of the present invention. The main structure of the integral roll changing bracket of other types of straightening machines is similar to that provided by the embodiment of the utility model, and the specific structure of the integral roll changing bracket is manufactured according to the structure of the straightening machine of a set type.

The embodiment of the utility model provides an integral roll-changing bracket, including being used for installing bracket 2 in straightener frame 1 and setting up locating support 3 and lug 4 on bracket 2.

As shown in FIG. 3, in the state that the leveler is normally working, the whole roll-changing bracket is fixedly installed in the frame 1 of the leveler, and the whole roll-changing bracket does not participate in the work of the leveler and does not affect the normal work of the leveler. Therefore, when roll changing work is needed, workers can quickly change rolls through the integral roll changing bracket in the straightening machine frame 1. When not needing the roll change, whole roll change bracket sets up in straightener frame 1, the utility model discloses a roll change bracket can avoid still needing to set up the region that is used for placing whole roll change bracket and the inconvenience that brings, consequently, has improved staff's roll change efficiency, has brought more facility.

As shown in fig. 1 and 2, the bracket 2 includes a bottom plate 21, and side plates 22 disposed at both sides of the bottom plate 21, the bottom plate 21 and the side plates 22 at both sides forming a U-shaped structure; when the carriage 2 is mounted in the frame 1 of the leveler, the upper and lower roll systems 9 of the leveler are each located between the two side plates 22.

The bracket 2 comprises a bottom plate 21 and two side plates 22 which can realize the roll changing function, and also comprises a part which is convenient to be fixedly connected with the straightening machine frame 1, a specially-made clamping connecting piece, a structural reinforcing piece and the like, and the part, the connecting piece and the structural reinforcing piece which are connected with the straightening machine frame 1 can optimize the structure of the whole roll changing bracket, so that the whole roll changing bracket has enough structural strength, meets the function of roll changing, adapts to the internal structure of the straightening machine and does not influence the normal work of the straightening machine.

The positioning bracket 3 is positioned in the bracket 2 and can be matched with the structure of the lower roller system 9; the lifting lug 4 is arranged on top of the side plate 22.

The locating support 3 is located the bracket 2 bottom, and the locating support 3 is connected with the structure adaptation of lower roll system 9, consequently accessible locating support 3 is connected with lower roll system 9 joint, and is fixed with lower roll system 9 and bracket 2 temporarily to the realization is hung out bracket 2 and is carried out the purpose of roll change.

As shown in fig. 2, the lifting lugs 4 are arranged at both ends of the top of the side plate 22, thereby facilitating the hoisting of the crown block. Lug 4 is the columnar structure of level setting to the accessible link is connected with lug 4, and 4 tip of lug are equipped with the limiting plate, and the limiting plate can prevent that the link from breaking away from with lug 4 at the hoist and mount in-process, and then has improved bracket 2's safety in utilization.

As shown in FIGS. 1 and 2, the bottom plate 21 of the present embodiment is provided with a pin 5 on its bottom surface, and the bracket 2 is connected to the leveler frame 1 through the pin 5. The pin 5 can firmly fix the bracket 2 in the frame 1 of the straightening machine, so that the bracket 2 cannot shake due to the rotation of the straightening roll when the straightening machine works, and the stability of the bracket 2 and the use safety of the straightening machine are improved.

In this embodiment, the positioning brackets 3 are disposed on the left and right sides of the bottom plate 21, and the positioning brackets 3 include a plurality of bracket sets 31 that are fitted to the plurality of lower straightening rollers in the lower roller system 9 one by one.

As shown in fig. 7, the positioning brackets 3 disposed at the left and right sides of the bottom plate 21 can fix both ends of the lower straightening roll, thereby improving the safety when changing rolls and avoiding the problem that the lower straightening roll is separated from the bracket 2.

As shown in fig. 6, each lower straightening roll is provided with a bracket set 31 matched with the lower straightening roll, so that the reliability of fixing the lower straightening roll is further improved.

As shown in fig. 4 and 5, each bracket set 31 includes a left bracket 311 and a right bracket 312, the left bracket 311 is structurally matched with the left positioning groove 61 on the bearing seat 6 of the lower straightening roll, and the right bracket 312 is structurally matched with the right positioning groove 61 on the bearing seat 6 of the lower straightening roll.

After the left support 311 and the right support 312 are inserted into the positioning grooves 61 on the two sides of the bearing seat 6 of the lower straightening roll, the lower straightening roll can be firmly clamped on the bracket 2. The bracket 2 for fixing the straightening roll is taken out from the straightening machine frame 1, so that roll changing operation can be carried out, the problems that a roll changing trolley needs to be arranged and an old straightening roll needs to be dragged out, the operation process is complex, the occupied area of equipment is large and the like can be solved, roll changing can be carried out only through a crown block and a steel wire rope, the operation process is dangerous, the precision is difficult to guarantee and the like can be solved.

As shown in fig. 4, the adjacent left bracket 311 and right bracket 312 may be provided as an integral structure, thereby facilitating the installation of the bracket set 31 and improving the structural strength of the bracket set 31.

As shown in fig. 1, the side plate 22 of the present embodiment is provided with a positioning tab 7 for positioning the upper roll system. The positioning joint 7 can position the upper roller system when a new upper roller system is installed, so that the efficiency of installing the upper roller system can be improved, and the efficiency of the roller changing process is improved.

As shown in fig. 1, the present embodiment further includes a cover plate 8, and the front end and the rear end of the cover plate 8 are respectively connected to the upper portions of the two side plates 22.

The cover plate 8 is connected with the two side plates 22, so that the stability of the bracket 2 can be improved, and meanwhile, the straightening rollers can be protected to a certain extent. The cover plate can adopt a steel plate-shaped structure.

As shown in fig. 1 to 8, the method for using the integral roll-changing bracket specifically comprises the following steps:

disassembling an old lower roller system: all parts connected to the old lower roller system are disconnected, the old lower roller system is placed on the bottom plate 21, and the positioning bracket 3 is connected with the old lower roller system in a clamping mode.

In this embodiment, the clamping connection of the positioning bracket 3 and the old lower roller system specifically includes the following steps: each left bracket 311 is inserted into the left positioning groove 61 on the bearing support 6 of the corresponding lower straightening roll, and each right bracket 312 is inserted into the right positioning groove 61 on the bearing support 6 of the corresponding lower straightening roll.

Through inserting left socle 311 and right branch frame 312 rather than the constant head tank 61 that corresponds, can fix a position lower straightening roller fast, consequently improved efficiency and the security of dismantling lower straightening roller, still be convenient for simultaneously follow-up new straightening roller's accurate installation.

Disassembling an old upper roller system: all the parts connected with the old upper roller system are released, and the old upper roller system is placed on the old lower roller system.

When the old upper roller system is placed on the old lower roller system, the old upper roller system and the old lower roller system are arranged in a staggered mode, and when the old upper roller system and the old lower roller system are confirmed to be in a mutually stable connection state, the subsequent operation is carried out.

In this embodiment, the method further includes the following steps: removing a pin shaft 5 connected with the bracket 2 and the straightening machine frame 1; the pin shaft 5 is dismantled after the old upper roller system and the old lower roller system are dismantled, so that the bracket 2 is in a stable state when the bracket 2 is dismantled from the old upper roller system and the old lower roller system.

Disassembling the bracket: the lifting lug 4 is connected with a hook of the crown block through a steel wire rope, and then the bracket 2 is lifted out of the straightening machine frame 1 through the crown block.

The straightening roller of prior art is when changing, all is that upper roll system, lower roll system separately go on usually, the utility model discloses a roll change bracket can realize that the whole of upper roll system and lower roll system is renewed, can directly change in new straightening roller after lifting out old straightening roller to shorten roll change time, reduced the number of times of roll change hoist and mount, and the security in the operation process also promotes by a wide margin.

Replacement of the new upper roll system and the new lower roll system: in this embodiment, the cover plate 8 is first detached; and then taking the old upper roller system and the old lower roller system out of the bracket 2 in sequence, placing the new lower roller system on the bottom plate 21, enabling the positioning bracket 3 to be connected with the new lower roller system in a clamping manner, and then placing the new upper roller system on the new lower roller system.

In this embodiment, after the new straightening roll is placed, the cover plate 8 is installed. The cover plate 8 is only dismounted when the straightening roll is replaced, and the cover plate 8 is arranged on the bracket 2 and is positioned in the frame 1 of the straightening machine under the normal state.

In this embodiment, the step of connecting the positioning bracket 3 and the new lower roller system in a clamping manner specifically includes the following steps: each left bracket 311 is inserted into the left positioning groove 61 on the bearing support 6 of the corresponding lower straightening roll, and each right bracket 312 is inserted into the right positioning groove 61 on the bearing support 6 of the corresponding lower straightening roll. The removal of the old straightening roll is similar to the requirements of the new straightening roll for the details of the replacement operation.

Resetting the bracket: the bracket 2 is hung into the straightening machine frame 1 through a crown block.

In this embodiment, the method further includes the following steps: after the bracket 2 is hung into the straightening machine frame 1 by a crown block, the bracket 2 is connected with the straightening machine frame 1 by a pin 5. The fixing bracket 2 can ensure the reliability of the subsequent installation of a new straightening roll.

Mounting a new upper roller system: and moving the new upper roller system upwards to recover all the parts connected with the upper roller system.

In this embodiment, the installation of the new upper roll system further includes the following steps: and after moving the new upper roll system upwards, positioning the new upper roll system through a positioning joint 7. The quick installation of the new upper roll system can be realized through the positioning joint 7.

Installation of a new lower roller system: the new lower roll is moved up, all parts connected to the lower roll are recovered, and the wire rope is removed.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims

1. An integral roll-changing bracket is characterized in that: comprises a bracket (2) arranged in a straightening machine frame (1), and a positioning bracket (3) and a lifting lug (4) which are arranged on the bracket (2);

the bracket (2) comprises a bottom plate (21) and side plates (22) arranged on two sides of the bottom plate (21), and the bottom plate (21) and the side plates (22) on two sides form a U-shaped structure; when the bracket (2) is arranged in the rack (1) of the straightening machine, an upper roller system and a lower roller system (9) of the straightening machine are positioned between the two side plates (22);

the positioning support (3) is positioned in the bracket (2) and can be matched with the structure of the lower roller system (9); the lifting lug (4) is arranged at the top of the side plate (22).

2. The integrated roll change cradle of claim 1, wherein: the bottom surface of the bottom plate (21) is provided with a pin shaft (5), and the bracket (2) is connected with the straightening machine frame (1) through the pin shaft (5).

3. The integrated roll change cradle of claim 1, wherein: the positioning brackets (3) are arranged on the left side and the right side of the bottom plate (21), and the positioning brackets (3) comprise a plurality of bracket groups (31) which are matched with a plurality of lower straightening rollers in the lower roller system (9) one by one;

each support group (31) comprises a left support (311) and a right support (312), the left support (311) is structurally matched with the positioning groove (61) on the left side of the bearing seat (6) of the lower straightening roll, and the right support (312) is structurally matched with the positioning groove (61) on the right side of the bearing seat (6) of the lower straightening roll.

4. The integrated roll change cradle of claim 1, wherein: and the side plate (22) is provided with a positioning joint (7) for positioning the upper roll system.

5. The integrated roll change cradle of claim 1, wherein: the side plate structure is characterized by further comprising a cover plate (8), wherein the front end and the rear end of the cover plate (8) are respectively connected with the upper parts of the two side plates (22).