Replacing device for rolling mill housing lining plate

Abstract

The utility model relates to the technical field of rolling mills, and discloses a rolling mill housing lining plate replacing device which comprises a moving trolley used for being matched with a rail at the bottom of a housing in a sliding mode. The supporting frame is arranged on the moving trolley in a sliding mode in the direction perpendicular to the track. The supporting plate is arranged on the supporting frame in an up-down moving mode, and the lining plate is detachably installed on the supporting plate. The driving piece is arranged on the supporting frame, connected with the supporting plate and used for driving the supporting plate to move up and down. The device is easy and efficient to operate, the lining plate does not need to be held by a worker, manpower is saved, the safety coefficient of operation is greatly improved, and the technical problems that in the prior art, the labor intensity is large, and large safety risks exist when the lining plate of a rolling mill housing is replaced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rolling mill technical field, in particular to a kind of replacement device of rolling mill portal lining plate. BACKGROUND

[0002] Rolling mill usually includes rack, roll mounted on rack and bearing mounted on the end of roll. Among them, the rack of rolling mill is composed of two oppositely arranged portals, the inner side of each portal is provided with lining plate by bolt fixing, its main function is to protect rolling mill portal, bear the sliding friction and impact of bearing seat, and ensure that the plate shape in rolling process is effectively controlled, it is an important component of rolling mill. When the wear of rolling mill lining plate exceeds the precision standard, the lining plate needs to be replaced as a whole, and during replacement, simple hoisting tool is usually used to disassemble and install the lining plate, which not only has large labor intensity, but also has great safety risk. SUMMARY

[0003] The technical problem to be solved by the utility model is that the replacement of the lining plate of the portal of the rolling mill in the prior art has large labor intensity and great safety risk.

[0004] In order to solve the above technical problem, the utility model provides a replacement device of rolling mill portal lining plate, which comprises:

[0005] The moving trolley is used for sliding matching with the track at the bottom of the portal.

[0006] The support frame is slidingly arranged on the moving trolley, so that the support frame is slidingly close to the inner wall of the portal.

[0007] The support plate is arranged on the support frame in up-down movement, and the lining plate can be detachably mounted on the support plate.

[0008] The driving member is arranged on the support frame, and the driving member is connected with the support plate and used for driving the support plate to move up and down.

[0009] Preferably, two parallel and spaced horizontal sliding rails are arranged on the moving trolley, the horizontal sliding rails are perpendicular to the track, the bottom of the support frame is fixedly provided with horizontal sliding blocks matched with the horizontal sliding rails, and the horizontal sliding blocks are slidingly connected with the horizontal sliding rails.

[0010] Preferably, the support frame is detachably connected with the horizontal sliding blocks.

[0011] Preferably, two parallel and spaced vertical sliding rails are arranged on the side of the support frame close to the lining plate, the side of the support plate away from the lining plate is fixedly provided with vertical sliding blocks matched with the vertical sliding rails, and the vertical sliding blocks are slidingly connected with the vertical sliding rails.

[0012] Preferably, the driving member is an electric hoist or a hand-operated hoist.

[0013] Preferably, a lifting ring is fixedly arranged at the top of the support frame, and an electric hoist or a hand chain block is hung on the lifting ring, and a connecting ring is fixedly arranged at the bottom of one side of the support plate close to the support frame, and a chain for hooking of the electric hoist or the hand chain block extends downward and is fixedly connected with the connecting ring.

[0014] Preferably, the lining plate is vertically arranged, and the middle and upper portions of the lining plate are detachably fixed with the support plate; a roller wheel rotating horizontally is arranged at the bottom of one side of the support plate close to the lining plate, and the bottom of the lining plate is arranged on the roller wheel, and the roller wheel is used for supporting the lining plate.

[0015] Preferably, a plurality of strip-shaped grooves are horizontally arranged on the support plate, and a mounting bolt is arranged in each strip-shaped groove, and the mounting bolt passes through the strip-shaped groove and is threadedly connected with the lining plate.

[0016] Preferably, the moving trolley comprises a bottom plate and a plurality of casters, and each caster is respectively arranged at each bottom corner of the bottom plate.

[0017] Preferably, along the moving direction of the moving trolley, at least one row of first caster groups is arranged at one side of the bottom of the bottom plate, and at least one row of second caster groups is arranged at the other side of the bottom of the bottom plate, the first caster groups comprise at least one flat wheel, and the second caster groups comprise at least one V-shaped wheel, the flat wheel is matched with a flat rail at the bottom of the pylon, and the V-shaped wheel is matched with an inverted V-shaped rail at the bottom of the pylon.

[0018] Compared with the prior art, the embodiment of the rolling mill pylon lining plate replacement device has the following beneficial effects:

[0019] The embodiment of the rolling mill pylon lining plate replacement device sets the moving trolley to slide along the rail at the bottom of the pylon, is used for transporting the replacement device to the inside of the pylon, is simple and convenient, saves labor, the support frame is slidingly arranged on the moving trolley, the support plate is slidingly arranged on the support frame, after the moving trolley reaches a specified position, the support frame is pushed to slide horizontally on the moving trolley and close to the inner wall of the pylon, then the driving member drives the support plate to vertically ascend and descend, is used for transporting the lining plate in the replacement process, and the lining plate can be detachably mounted on the support plate in the transportation. The whole replacement process is simple and efficient, personnel need not to hold the lining plate, labor is saved, the safety coefficient of operation is greatly improved, and the technical problem that the lining plate of the rolling mill pylon is replaced, labor intensity is large, and there is a great safety risk in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a three-dimensional perspective view (one) of the embodiment of the utility model;

[0021] Figure 2 is a three-dimensional perspective view (two) of the embodiment of the utility model;

[0022] Figure 3 is a three-dimensional perspective view (three) of the embodiment of the utility model;Figure 1 A local enlarged view of the middle A;

[0023] Figure 4 is the support plate schematic view of the embodiment of the utility model Figure 1 A local enlarged view of the middle B;

[0024] Figure 5 is the support plate schematic view of the embodiment of the utility model

[0025] In the figure, 1, board car;1a, bottom plate;1b, trundle;11b, flat wheel;12b, V-shaped wheel;2, horizontal slide rail;3, horizontal sliding block;4, support frame;4a, horizontal steel frame;41a, horizontal steel beam;42a, first connecting rod;4b, vertical steel frame;41b, vertical steel beam;42b, second connecting rod;4c, inclined strut;5, vertical slide rail;6, vertical sliding block;7, support plate;8, roller;9, lining plate;10, hand-operated hoist;11, hoisting ring;12, connecting ring;13, strip-shaped groove;14, mounting bolt;15, fixing bolt. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0027] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "vertical", "horizontal", "bottom", "inner", "outer" and the like in the utility model is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0028] It should be understood that the terms "first", "second" and the like are used to describe various information in the utility model, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the utility model, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information.

[0029] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "connection", "connect" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] As Figures 1 to 5 The utility model discloses a kind of replacement devices of rolling mill housing lining plate, including mobile trolley 1, for with the track sliding matching of housing bottom;Support frame 4 is slidably arranged on mobile trolley 1, to make support frame 4 sliding close housing inner wall;Support plate 7 is arranged on support frame 4 and moves up and down, support plate 7 can be detachably installed lining plate 9;Driving member 10 is arranged on support frame 4, driving member 10 is connected with support plate 7, for driving support plate 7 moves up and down.

[0031] The utility model discloses a kind of replacement devices of rolling mill housing lining plate, setting mobile trolley 1 along the track sliding of housing bottom, for transporting replacement device to housing interior, simple and convenient and save manpower;Support frame 4 is slidably arranged on mobile trolley 1, support plate 7 is slidably arranged on support frame 4, after mobile trolley 1 reaches specified position, support frame 4 is horizontally slid on mobile trolley 1 and close housing inner wall, then driving member 10 drives support plate 7 vertical lifting, for the transport of lining plate 9 in replacement process, lining plate 9 can be detachably installed on support plate 7 in transport.The whole replacement process is simple and efficient, without personnel holding lining plate 9, save manpower, and greatly improve the safety factor of operation, solve the lining plate 9 of the prior art in replacement rolling mill housing not only labor intensity, and there is the technical problem of great security risk.

[0032] As Figure 1As shown in the utility model embodiment, the support frame 4 comprises horizontal steel frames 4a, vertical steel frames 4b and inclined struts 4c, the horizontal steel frames 4a comprise two horizontal steel beams 41a arranged horizontally and spaced apart in parallel, the horizontal steel beams 41a extend in the front-rear direction of the moving trolley 1 (i.e. extend in the X-Y direction), two first connecting rods 42a are arranged in parallel and spaced apart between the two horizontal steel beams 41a, and the first connecting rods 42a are fixedly connected to the two horizontal steel beams 41a at the ends thereof respectively; the vertical steel frames 4b comprise two vertical steel beams 41b arranged vertically and spaced apart in parallel, the bottom portions of the two vertical steel beams 41b are fixed to the connection portions of one horizontal steel beam 41a and the first connecting rod 42a of the horizontal steel frame 4a respectively, and the top portions of the two vertical steel beams 41b are fixedly connected by a second connecting rod 42b; in order to enhance the overall stress performance of the support frame 4, the inclined struts 4c are arranged on the vertical steel beams 41b and the first connecting rods 42a, and the ends of the inclined struts 4c are fixedly connected to the vertical steel beams 41b and the first connecting rods 42a respectively.

[0033] Further, the moving trolley 1 is provided with two horizontal slide rails 2 arranged horizontally and spaced apart in parallel, the horizontal slide rails 2 are perpendicular to the track, the bottom of the support frame 4 is fixedly provided with horizontal slide blocks 3 matched with the horizontal slide rails 2, and the horizontal slide blocks 3 are slidably connected to the horizontal slide rails 2. Further, the side of the support frame 4 close to the backing plate 9 is provided with two vertical slide rails 5 arranged vertically and spaced apart in parallel, the side of the support plate 7 away from the backing plate 9 is fixedly provided with vertical slide blocks 6 matched with the vertical slide rails 5, and the vertical slide blocks 6 are slidably connected to the vertical slide rails 5.

[0034] In the utility model embodiment, as shown in the utility model embodiment, Figures 1 to 4 As shown in the utility model embodiment, the horizontal slide rails 2 and the vertical slide rails 5 are funnel-shaped cross-section slide rails, and the cross sections of the horizontal slide blocks 3 and the vertical slide blocks 6 are matched with the corresponding slide rails. The vertical slide rails 5 are arranged on the vertical steel beams 41b of the support frame 4, the vertical slide blocks 6 are slidably connected to the vertical slide rails 5 and fixedly connected to the support plate 7. The horizontal slide rails 2 are arranged on the moving trolley 1 and correspond to the first connecting rods 42a of the support frame 4, the horizontal slide blocks 3 are fixedly installed at the bottom of the first connecting rods 42a of the support frame 4 and slidably connected to the horizontal slide rails 2. In order to facilitate the replacement of the working direction, the support frame 4 and the horizontal slide blocks 3 are detachably connected, i.e. the first connecting rods 42a of the support frame 4 and the horizontal slide blocks 3 are detachably fixedly connected by the fixing bolts 15. When it is necessary to replace the working direction, the fixing bolts 15 are unscrewed, the support frame 4 is turned to the opposite direction, and then the fixing bolts 15 are used to fix the support frame 4 and the horizontal slide blocks 3.

[0035] Further, in the embodiment of the utility model, drive piece adopts hand chain block 10, the top of support frame 4 is fixedly provided with hoisting ring 11, namely hoisting ring 11 is arranged at the bottom of the second connecting rod 42b of support frame 4, hand chain block 10 is hung and fixed on hoisting ring 11, the side bottom of support plate 7 close to support frame 4 is fixedly provided with connecting ring 12, the chain for hooking in hand chain block 10 extends downward and is fixedly connected with connecting ring 12.It needs to be explained that, in the embodiment of the utility model, drive piece selects hand chain block 10, and the drive piece of electric chain block and gear set that can realize the same effect can also be selected.

[0036] Further, in order to guarantee the safety of the lining plate 9 during transportation, the lining plate 9 is vertically arranged, and the middle and upper parts of the lining plate 9 are detachably fixed with the support plate 7; the side bottom of the support plate 7 close to the lining plate 9 is provided with a horizontally rotating roller 8, and the bottom of the lining plate 9 is arranged on the roller 8, and the roller 8 is used for supporting the lining plate 9. In the embodiment of the utility model, the middle and upper parts of the lining plate 9 are detachably fixed on the support plate 7 through mounting bolts 14, and the bottom of the lining plate 9 is supported on the roller 8, thereby guaranteeing the safety of the lining plate 9 during transportation. In addition, in the embodiment of the utility model, the number of the rollers 8 is three, and the roller 8 is rotatably connected with the support plate 7 through a bearing. By rotating the roller 8, the lining plate 9 can be easily installed or removed on the support plate 7.

[0037] Further, as shown in Figure 2 and Figure 5 , in order to facilitate the adjustment of the position of the lining plate 9 during installation, a plurality of strip-shaped grooves 13 are horizontally arranged on the support plate 7 in the embodiment of the utility model, and mounting bolts 14 are arranged in each strip-shaped groove 13. The mounting bolts 14 pass through the strip-shaped grooves 13 and are threadedly connected with the lining plate 9. When installing the lining plate 9, the mounting bolts 14 are loosened, and the lining plate 9 is horizontally fine-adjusted by using the roller 8. The mounting bolts 14 move horizontally in the strip-shaped grooves 13, and the lining plate 9 is installed after the screw holes of the lining plate 9 are aligned with the installation holes on the archway. When adjusting the position of the lining plate 9, the mounting bolts 14 are loosened, but the lining plate 9 is still connected with the support plate 7, thereby avoiding the lining plate 9 from falling off the support plate 7 during the adjustment of the lining plate 9, and causing a safety accident.

[0038] Further, as shown in Figure 1 and Figure 2 , the moving trolley 1 includes a bottom plate 1a and a plurality of casters 1b, and each caster 1b is installed at each bottom corner of the bottom plate 1a. Further, along the moving direction of the moving trolley 1, at least one row of first caster groups 11b is arranged on one side of the bottom of the bottom plate 1a, and at least one row of second caster groups 12b is arranged on the other side of the bottom of the bottom plate 1a. The first caster group 11b includes at least one flat wheel, and the second caster group 12b includes at least one V-shaped wheel. The flat wheel matches with the flat rail at the bottom of the archway, and the V-shaped wheel matches with the inverted V-shaped rail at the bottom of the archway.

[0039] In order to facilitate the transportation of parts when maintaining the equipment during the installation of the rolling mill, two parallel and spaced track beams are arranged on the bottom of the inside of the rolling mill housing and perpendicular to the housing, the two track beams are respectively a flat rail and an inverted V-shaped rail, in order to realize the movement of the moving trolley 1 along the track, in the moving direction of the moving trolley 1, a row of first caster groups 11b is arranged on the side of the moving trolley 1 corresponding to the flat rail, the first caster group 11b comprises two flat wheels; a row of second caster groups 12b is arranged on the side of the moving trolley 1 corresponding to the inverted V-shaped rail, the second caster group 12b comprises two V-shaped wheels. In the direction perpendicular to the track, the distance between the V-shaped wheels and the flat wheels is the same as the distance between the two tracks.

[0040] The working process of the utility model is as follows: when the lining plate 9 is removed, the moving trolley 1 is moved along the track on the bottom of the inside of the housing by pushing the lining plate replacement device of the rolling mill housing, so that the support plate 7 is opposite to the lining plate 9 to be replaced on the inside of the housing, and then the support frame 4 is pushed to move the support frame 4 to the lining plate 9 to be replaced, when the support plate 7 on the support frame 4 approaches the lining plate 9 to be replaced, the hand-operated hoist 10 is pulled to adjust the vertical position of the support plate 7, so that the roller 8 on the support plate 7 is aligned with the bottom of the lining plate 9 to be replaced, then the bolts for installing the lining plate on the housing are unscrewed, the lining plate 9 is removed and placed on the roller 8 and the support plate 7, and the removed lining plate 9 is fixedly connected with the support plate 7 through the mounting bolts 14, then the support plate 7 is lowered by the hand-operated hoist 10, then the support frame 4 is pushed to move the removed lining plate 9 away from the inside of the housing, and then the removed lining plate 9 is transported out of the housing by pulling the moving trolley 1.

[0041] When the lining plate 9 is installed, the lining plate 9 is placed on the support plate 7 and the roller 8, and the lining plate 9 is temporarily fixed on the support plate 7 through the mounting bolts 14, then the moving trolley 1 is pushed to move along the track on the bottom of the inside of the housing, so that the lining plate 9 is opposite to the lining plate 9 to be installed on the inside of the housing, the position of the moving trolley 1 is adjusted, so that the bolt hole of the lining plate 9 is roughly aligned with the mounting hole on the inside of the housing, then the support frame 4 is pushed to move the support frame 4 to the inside of the housing where the lining plate 9 is to be installed, when the lining plate 9 on the support plate 7 approaches the inside of the housing where the lining plate 9 is to be installed, the hand-operated hoist 10 is pulled to adjust the vertical position of the support plate 7, so that the lining plate 9 reaches the installation position and the bolt hole on the lining plate 9 is aligned with the mounting hole on the inside of the housing, then the mounting bolts 14 are loosened, the position of the lining plate 9 is adjusted horizontally, so that the bolt hole on the lining plate 9 is aligned with the mounting hole on the inside of the housing, then the lining plate 9 is fixedly connected with the inside of the housing through the bolts, then the mounting bolts 14 are unscrewed, the support plate 7 is lowered by the hand-operated hoist 10, then the support frame 4 is pushed away from the inside of the housing, and then the removed lining plate 9 is transported out of the housing by pulling the moving trolley 1.

[0042] When the lining plate 9 opposite to the inside of the above-mentioned mill housing needs to be replaced, the fixing bolt 15 is unscrewed, the support frame 4 and other components on the support frame 4 are horizontally rotated by 180°, the side of the support plate 7 supporting the lining plate 9 is opposite to the inside of the mill housing where the lining plate 9 to be replaced, then the fixing bolt 15 is screwed to fix the support frame 4 and the horizontal sliding block 3, and the process of removing and installing the lining plate 9 is the same as the above-mentioned operation, which will not be described here.

[0043] In summary, the replacement device for the lining plate of the mill housing of the embodiment of the utility model, the moving trolley 1 is arranged to slide along the track at the bottom of the mill housing, which is used to transport the replacement device to the inside of the mill housing, is simple and convenient and saves manpower; the support frame 4 is installed on the moving trolley 1 through the horizontal sliding rail 2 and the horizontal sliding block 3, the support frame 4 and the horizontal sliding block 3 are detachably connected through the fixing bolt 15, so that the embodiment of the utility model can replace the lining plate 9 on both pairs of sides in the mill housing; the support plate 7 is installed on the support frame 4 through the vertical sliding rail 5 and the vertical sliding block 6, after the moving trolley 1 reaches the specified position, the support frame 4 is pushed to slide horizontally on the moving trolley 1 and close to the inner wall of the mill housing, then the chain hoist 10 drives the support plate 7 to vertically ascend and descend, which is used to transport the lining plate 9 during replacement, and the lining plate 9 is detachably fixed on the support plate 7 through the mounting bolt 14 during transportation; the setting of the roller 8 at the bottom of the support plate 7 makes the movement of the lining plate 9 on the support plate 7 more relaxed, and the mounting bolt 14 and the strip-shaped groove 13 can be used to finely adjust the lining plate 9, which is convenient for aligning when the lining plate 9 is installed. The whole replacement process is simple and efficient, personnel are not needed to support the lining plate 9, manpower is saved, and the safety coefficient of operation is greatly improved, and the technical problem that the lining plate of the mill housing is replaced in the prior art, which has great labor intensity and great safety risk, is solved.

[0044] The above-mentioned is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and replacements can be made without departing from the technical principle of the utility model, and the improvements and replacements should also be regarded as the protection range of the utility model.

Claims

1. A device for replacing the liner plate of a rolling mill stand, characterized in that, include: A mobile trolley (1) is used to slide and match the track at the bottom of the archway; The support frame (4) is slidably mounted on the mobile trolley (1) so that the support frame (4) slides close to the inner wall of the archway; The support plate (7) is movably mounted on the support frame (4), and the liner plate (9) can be detachably mounted on the support plate (7); A driving component (10) is disposed on the support frame (4) and connected to the support plate (7) for driving the support plate (7) to move up and down.

2. The mill stand liner replacement device according to claim 1, characterized in that, The mobile trolley (1) is provided with two parallel and spaced horizontal slide rails (2), the horizontal slide rails (2) are perpendicular to the track, and the bottom of the support frame (4) is fixedly provided with a horizontal slider (3) that matches the horizontal slide rails (2), the horizontal slider (3) is slidably connected to the horizontal slide rails (2).

3. The mill stand liner replacement device according to claim 2, characterized in that, The support frame (4) is detachably connected to the horizontal slider (3).

4. The mill stand liner replacement device according to claim 1, characterized in that, The support frame (4) is provided with two parallel and spaced vertical slide rails (5) on the side near the liner (9). The support plate (7) is fixedly provided with a vertical slider (6) that matches the vertical slide rails (5) on the side away from the liner (9). The vertical slider (6) is slidably connected to the vertical slide rails (5).

5. The mill stand liner replacement device according to claim 1, characterized in that, The drive unit (10) is an electric hoist or a hand-operated hoist.

6. The mill stand liner replacement device according to claim 5, characterized in that, A lifting ring (11) is fixedly installed on the top of the support frame (4). The electric hoist or manual hoist is suspended and fixed on the lifting ring (11). A connecting ring (12) is fixedly installed on the bottom side of the support plate (7) near the support frame (4). The chain used by the electric hoist for hooking or the chain used by the manual hoist for hooking extends downward and is fixedly connected to the connecting ring (12).

7. The mill stand liner replacement device according to claim 1, characterized in that, The liner (9) is arranged vertically, and the middle and upper parts of the liner (9) are detachably fixed to the support plate (7); a horizontally rotating roller (8) is provided at the bottom of the side of the support plate (7) near the liner (9), and the bottom of the liner (9) is provided on the roller (8), which is used to support the liner (9).

8. The mill stand liner replacement device according to claim 7, characterized in that, The support plate (7) has a plurality of horizontally arranged strip grooves (13), and each strip groove (13) is provided with a mounting bolt (14). The mounting bolt (14) passes through the strip groove (13) and is threadedly connected to the liner plate (9).

9. The mill stand liner replacement device according to claim 1, characterized in that, The mobile trolley (1) includes a base plate (1a) and multiple casters (1b), with each caster (1b) installed at a bottom corner of the base plate (1a).

10. The mill stand liner replacement device according to claim 9, characterized in that, Along the moving direction of the mobile trolley (1), at least one row of first caster sets (11b) is provided on one side of the bottom of the base plate (1a), and at least one row of second caster sets (12b) is provided on the other side of the bottom of the base plate (1a). The first caster set (11b) includes at least one flat wheel, and the second caster set (12b) includes at least one V-shaped wheel. The flat wheel matches the flat rail at the bottom of the archway, and the V-shaped wheel matches the inverted V-shaped rail at the bottom of the archway.

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