Protection device for preventing working roll bearing box from falling off

Abstract

The utility model belongs to the technical field of steel rolling machinery, and particularly relates to a protection device for preventing a working roll bearing box from falling off, which comprises a working roll, the working roll is in interference connection with a bearing seat, and a protection component is arranged outside the working roll. The protection assembly comprises anti-skid rotary knobs, the four sets of anti-skid rotary knobs are all fixedly connected with one ends of first screw rods, the four sets of first screw rods are all sleeved with first screw sleeves, and the four sets of first screw sleeves are all fixedly connected with screw sleeve connecting blocks; through the structural design of the protection assembly, the function of protecting the working roller is achieved, and the problems that after the transmission side of a bearing seat of the working roller is assembled with the roller, due to high-speed rotation, rack vibration, assembly gaps and the like in the using process of the working roller, a clamping ring is damaged, and the fitting degree of the clamping ring and the roller is reduced are solved. Therefore, the problem that the working roller falls off in the using process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel rolling machinery, in particular to a protective device for preventing a working roll bearing box from falling off. Background Art

[0002] During the hot rolling process of strip steel, the roller is an important rolling tool. The roller operates under high temperature, high speed and high load to ensure the comprehensive quality requirements of the surface shape and cross-section of the strip steel. In the actual production process, the roller needs to be assembled with the bearing seat for rolling. The main function of the roller bearing is to be an important part of the working machine base of the rolling mill. Its function is to support the roller, keep the roller in the correct position in the frame, and withstand the rolling force transmitted by the roller.

[0003] The existing protective device for preventing the working roll bearing box from falling off can be specifically referred to the Chinese utility model patent with application number CN201520771436.0, which specifically discloses a steel rolling working roll, including an upper working roll, an upper bearing box arranged on both sides of the upper working roll, a lower working roll, a lower bearing box arranged on both sides of the lower working roll, a roller and a lifting track arranged below the roller, characterized in that it also includes: guide holes, which are respectively opened on the lower bearing box on both sides of the lower working roll; supporting feet, which are respectively penetrated into the guide holes; positioning holes, which are respectively opened on the bottom of the upper bearing box on both sides of the upper working roll corresponding to the guide holes, for the upper ends of the supporting feet to be inserted; connecting blocks, which are respectively connected to the lower ends of the supporting feet, and the connecting blocks are longitudinally provided with slide grooves; stop blocks are respectively arranged on the lower bearing box in a transverse direction, and one end is placed in the corresponding slide groove, and cooperates with the slide groove to form a sliding stop structure

[0004] The above-mentioned steel rolling working roll lacks components for protecting the working roll. In the existing hot rolling production line, after the driving side of the bearing seat of the finishing working roll is assembled with the rolling roll, the axial movement direction is usually embedded in the rolling roll groove by a clamping ring, and the locking is completed by bolts. However, the clamping ring is fixed to the rolling roll together, and then the carrier machine is used for high-speed rotation. Due to the vibration of the frame, assembly clearance and other reasons, the clamping ring is worn and the fit with the rolling roll is reduced. When the connecting part of the clamping ring is stretched and deformed, the rolling roll will fall off during operation. Therefore, in view of the above problems, a protective device is proposed to prevent the working roll bearing box from falling off. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the steel rolling working rolls in the prior art lack components for protecting the working rolls. In the existing hot rolling production line, after the driving side of the bearing seat of the finishing working roll is assembled with the roll, the axial movement direction is usually embedded in the roll groove by a clamping ring, and the locking is completed by bolts. However, the clamping ring is fixed to the roll together, and then the carrier rotates at high speed. Due to the vibration of the frame, assembly gap and other reasons, the clamping ring is worn and the fit with the roll is reduced. When the connecting part of the clamping ring is stretched and deformed, the roll will fall off during operation. The utility model proposes a protective device to prevent the working roll bearing box from falling off.

[0006] The technical solution adopted by the utility model to solve the technical problem is: the protection device for preventing the working roll bearing box from falling off described in the utility model comprises a working roll, the working roll is interference connected with the bearing seat, and a protection component is arranged outside the working roll;

[0007] The protection component includes an anti-slip knob, four groups of the anti-slip knobs are all fixedly connected to one end of the first screw rod, the outside of the four groups of the first screw rods are all sleeved with a first screw sleeve, the four groups of the first screw sleeves are all fixedly connected to the screw sleeve connecting block, the four groups of the screw sleeve connecting blocks are fixedly connected to the bearing seat, the other end of the four groups of the first screw rods are all clamped with the first clamping block, the bottom ends of the four groups of the first clamping blocks are all fixedly connected to the top end of the first connecting block, and an adjustment component is arranged on the outside of the working roller.

[0008] Preferably, the adjustment assembly includes an anti-slip sleeve, four groups of the anti-slip sleeve are fixedly connected to one end of the second connecting plate, the other ends of the four groups of the second connecting plates are fixedly connected to the second locking block, the four groups of the second connecting plates pass through the first connecting block, and the four groups of the second locking blocks are locked with the first locking hole.

[0009] Preferably, the bottom ends of the four groups of the first connecting blocks are all abutted against the first abutment plate, the four groups of the first abutment plates are all fixedly connected to the bearing seat, the four groups of the first connecting blocks are all abutted against the first connecting plate, and one group of the first connecting plates is fixedly connected to two groups of the second protective covers.

[0010] Preferably, the four groups of the first engaging holes are all opened at one end of the first connecting block, the four groups of the second engaging blocks are all fixedly connected to one end of the first spring, and the other ends of the four groups of the first springs are all fixedly connected to the inner wall of the second connecting block.

[0011] Preferably, the other group of the first connecting plates is fixedly connected to the first protective cover, the two groups of the first protective covers are both in contact with the second protective cover, the first protective cover is mounted on the outside of the working roller, and the second protective cover is mounted on the outside of the working roller.

[0012] Preferably, the four groups of the second connecting plates are all slidably connected to the first sliding groove, the four groups of the second connecting blocks are all sleeved on the outside of the second locking block, the four groups of the second connecting blocks are all fixedly connected to the first connecting plates, and the four groups of the first sliding grooves are all opened at one end of the second connecting block.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the function of protecting the working roll through the structural design of the protection component, and solves the problem that after the driving side of the bearing seat of the working roll is assembled with the roll, the working roll rotates at high speed during use, is affected by the vibration of the frame, assembly gap and other reasons, resulting in the loss of the clamping ring, thereby reducing the fit with the roll, and then causing the working roll to fall off during use;

[0015] 2. The utility model realizes the function of adjusting the working rollers through the structural design of the adjusting component. When the working rollers are assembled and put into operation, the protective component can effectively prevent the working rollers from falling off due to accidents during the operation. The position of the protective component can be adjusted through the adjusting component, so that the protective component can be adjusted to the best protective position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a partial three-dimensional structural schematic diagram of the utility model;

[0021] Figure 5 For the utility model Figure 4 Enlarged structural diagram at B in the middle.

[0022] In the figure: 1, working roller; 2, bearing seat; 40, first protective cover; 41, second protective cover; 42, first connecting plate; 43, first connecting block; 44, anti-skid knob; 45, first screw rod; 46, first screw sleeve; 47, screw sleeve connecting block; 48, first engaging block; 49, first abutting plate; 60, first engaging hole; 61, second engaging block; 62, anti-skid cover; 63, second connecting block; 64, second connecting plate; 65, first spring; 66, first slide groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 As shown, a protective device for preventing a working roll bearing box from falling off comprises a working roll 1, wherein the working roll 1 is interference-connected with a bearing seat 2, and a protective component is arranged outside the working roll 1;

[0025] The protection component includes an anti-skid knob 44, and the four groups of anti-skid knobs 44 are all connected to one end of the first screw rod 45 by using an adhesive. The outside of the four groups of first screw rods 45 are all sleeved with a first screw sleeve 46, and the inside of the first screw sleeve 46 is provided with a cylindrical hole adapted to the first screw rod 45. The four groups of first screw sleeves 46 are all welded together with a screw sleeve connecting block 47, and the screw sleeve connecting block 47 is designed in a rectangular shape. The inside of the screw sleeve connecting block 47 is provided with a cylindrical hole adapted to the first screw sleeve 46, and the four groups of screw sleeve connecting blocks 47 are welded together with the bearing seat 2, and the other ends of the four groups of first screw rods 45 are all engaged with the first clamping block 48, and the bottom ends of the four groups of first clamping blocks 48 are all welded to the top end of the first connecting block 43, and the first clamping block 48 is designed in a rectangular shape. An adjustment component is arranged outside the working roller 1;

[0026] During operation, the second protective sleeve 41 and the first protective sleeve 40 are sleeved on the outside of the working roller 1. The second protective sleeve 41 and the first connecting plate 42 can effectively protect the working roller 1, thereby preventing the working roller 1 from rotating too fast, resulting in loss of the retaining ring and a decrease in the fit with the roller, which in turn causes the working roller 1 to fall off from the inside of the bearing seat 2. When the first protective sleeve 40 and the second protective sleeve 41 are disassembled, the anti-slip knob 44 is rotated. The anti-slip knob 44 is provided with anti-slip grooves, which can increase the friction between the hand and the anti-slip knob, making it easier for the staff to rotate it. The anti-slip knob 44 is fixedly connected to the first screw rod 45, which then drives the first screw rod 45 to rotate inside the first screw sleeve 46. The first screw rod 45 is threadedly connected to the first screw sleeve 46. The first screw sleeve 46 is fixedly connected to the screw sleeve connecting block 47. The first screw rod 45 rotates with the first screw sleeve 46, and then the other end of the first screw rod 45 gradually detaches from the inside of the first locking block 48.

[0027] Further, the adjustment component includes an anti-slip sleeve 62, and the four groups of anti-slip sleeves 62 are all connected to one end of the second connecting plate 64 by using an adhesive, and the other ends of the four groups of second connecting plates 64 are all connected to the second engaging block 61 by using an adhesive, and the second connecting plate 64 is designed in a rectangular shape, and the second connecting plate 64 is made of brass, which has excellent wear resistance and can ensure that the second connecting plate 64 is not easily worn during long-term use, and the four groups of second connecting plates 64 all penetrate the first connecting block 43, and the four groups of second engaging blocks 61 are all engaged with the first engaging hole 60;

[0028] During operation, when adjusting the position of the second protective cover 41, pull the anti-slip cover 62 backward, the anti-slip cover 62 is fixedly connected to the second connecting plate 64, and then drives the second connecting plate 64 to move backward inside the first slide groove 66, the second connecting plate 64 is fixedly connected to the second locking block 61, and then drives the second locking block 61 to move backward inside the second connecting block 63, and then makes the second locking block 61 squeeze the first spring 65 backward, and then makes the first spring 65 shrink toward the inner wall of the second connecting block 63, when the second locking block 61 moves completely backward to the inside of the second connecting block 63, the second locking block 61 is no longer engaged with the first locking hole 60.

[0029] Further, the bottom ends of the four groups of first connecting blocks 43 are all in contact with the first contact plates 49, the four groups of first contact plates 49 are all welded to the bearing seat 2, the four groups of first connecting blocks 43 are all in contact with the first connecting plates 42, one group of first connecting plates 42 is welded to the two groups of second protective sleeves 41, and the first connecting plates 42 are designed in a rectangular shape;

[0030] During operation, when the other end of the first screw rod 45 is completely disengaged from the interior of the first engaging block 48, that is, the other end of the first screw rod 45 is no longer engaged with the first engaging block 48, the rotation of the anti-slip knob 44 can be stopped, and then the second protective cover 41 is pulled to the right, the second protective cover 41 is fixedly connected to the first connecting plate 42, and the first connecting plate 42 is connected to the first connecting block 43 through the adjusting assembly, thereby driving the first connecting block 43 to move to the right, and then making the bottom end of the first connecting block 43 move to the right on the first abutment plate 49. When the first connecting block 43 moves to the right until it is no longer abutted with the first abutment plate 49, the disassembly of the second protective cover 41 can be completed. Through the abutment of the first abutment plate 49 and the engagement of the first screw rod 45, the second protective cover 41 and the first protective cover 40 can be more stably mounted on the outside of the working roller 1, and then the first protective cover 40 can be removed by repeating the operation.

[0031] Further, the four groups of first engaging holes 60 are all provided at one end of the first connecting block 43, the four groups of second engaging blocks 61 are all connected to one end of the first spring 65 by using adhesive, the other ends of the four groups of first springs 65 are all connected to the inner wall of the second connecting block 63 by using adhesive, and the second connecting block 63 has a rectangular hole inside that is adapted to the second engaging block 61;

[0032] During operation, the anti-slip sleeve 62 is pulled backwards, the anti-slip sleeve 62 is fixedly connected to the second connecting plate 64, and then the second connecting plate 64 is driven to move backwards inside the first sliding groove 66, the second connecting plate 64 is fixedly connected to the second locking block 61, and then the second locking block 61 is driven to move backwards inside the second connecting block 63, and then the second locking block 61 squeezes the first spring 65 backwards, and then the first spring 65 shrinks toward the inner wall of the second connecting block 63.

[0033] Furthermore, another set of first connecting plates 42 is welded to the first protective cover 40, and both sets of first protective covers 40 are in contact with the second protective cover 41. The first protective cover 40 is sleeved on the outside of the working roll 1, and the second protective cover 41 is sleeved on the outside of the working roll 1.

[0034] During operation, the second protective cover 41 and the first protective cover 40 are sleeved on the outside of the working roller 1. The second protective cover 41 and the first connecting plate 42 can effectively protect the working roller 1, thereby preventing the working roller 1 from rotating too fast, resulting in loss of the retaining ring and a decrease in the fit with the roller, which in turn causes the working roller 1 to fall off from the inside of the bearing seat 2. When the first connecting block 43 moves to the right and no longer abuts against the first abutment plate 49, the second protective cover 41 can be disassembled. Through the abutment of the first abutment plate 49 and the engagement of the first screw 45, the second protective cover 41 and the first protective cover 40 can be more stably sleeved on the outside of the working roller 1, and then the first protective cover 40 can be removed by repeating the operation.

[0035] Furthermore, the four sets of second connecting plates 64 are all slidably connected to the first sliding groove 66, the four sets of second connecting blocks 63 are all sleeved on the outside of the second engaging block 61, the four sets of second connecting blocks 63 are all welded to the first connecting plate 42, and the four sets of first sliding grooves 66 are all opened at one end of the second connecting block 63;

[0036] During operation, the anti-slip cover 62 is pulled backward, and then the second connecting plate 64 slides backward inside the first sliding groove 66, and then the second locking block 61 slides backward inside the second connecting block 63, the second connecting block 63 is fixedly connected to the first connecting plate 42, and the first connecting plate 42 is fixedly connected to the second protective cover 41, which then drives the second protective cover 41 to move upward or downward.

[0037] Working principle: the second protective sleeve 41 and the first protective sleeve 40 are sleeved on the outside of the working roller 1, and the second protective sleeve 41 and the first connecting plate 42 can effectively protect the working roller 1, thereby preventing the working roller 1 from rotating too fast, resulting in loss of the retaining ring and a decrease in the fit with the roller, which in turn causes the working roller 1 to fall off from the inside of the bearing seat 2. When the first protective sleeve 40 and the second protective sleeve 41 are disassembled, the anti-slip knob 44 is rotated. The anti-slip knob 44 is provided with anti-slip grooves, which can increase the friction between the hand and the anti-slip knob, making it easier for the staff to rotate it. The anti-slip knob 44 is fixedly connected to the first screw rod 45, which then drives the first screw rod 45 to rotate inside the first screw sleeve 46. The first screw rod 45 is threadedly connected to the first screw sleeve 46. The first screw sleeve 46 is fixedly connected to the screw sleeve connecting block 47. The first screw rod 45 rotates with the first screw sleeve 46, thereby causing the first screw rod 45 to rotate. The other end gradually disengages from the interior of the first engaging block 48. When the other end of the first screw rod 45 is completely disengaged from the interior of the first engaging block 48, that is, the other end of the first screw rod 45 is no longer engaged with the first engaging block 48, the rotation of the anti-slip knob 44 can be stopped, and then the second protective cover 41 is pulled to the right. The second protective cover 41 is fixedly connected to the first connecting plate 42. The first connecting plate 42 is connected to the first connecting block 43 through the adjustment assembly, which then drives the first connecting block 43 to move to the right, and then makes the bottom end of the first connecting block 43 move to the right on the first abutment plate 49. When the first connecting block 43 moves to the right until it is no longer in contact with the first abutment plate 49, the disassembly of the second protective cover 41 can be completed. Through the abutment of the first abutment plate 49 and the engagement of the first screw rod 45, the second protective cover 41 and the first protective cover 40 can be more stably sleeved on the outside of the working roller 1, and then the first protective cover 40 can be removed by repeating the operation.

[0038] When the position of the second protective cover 41 is adjusted, the anti-slip cover 62 is pulled backward, and the anti-slip cover 62 is fixedly connected to the second connecting plate 64, thereby driving the second connecting plate 64 to move backward inside the first sliding groove 66, and the second connecting plate 64 is fixedly connected to the second engaging block 61, thereby driving the second engaging block 61 to move backward inside the second connecting block 63, thereby causing the second engaging block 61 to squeeze the first spring 65 backward, thereby causing the first spring 65 to shrink toward the inner wall of the second connecting block 63, and when the second engaging block 61 moves completely backward to the inside of the second connecting block 63, that is, the second engaging block 61 is no longer engaged with the first engaging hole 60, and then the anti-slip cover 62 is pulled upward or downward, the second connecting plate 64 is fixedly connected to the second engaging block 61, thereby driving the second engaging block 61 to move backward inside the second connecting block 63. The second connecting block 63 is fixedly connected to the first connecting plate 42, and the first connecting plate 42 is fixedly connected to the second protective cover 41, thereby driving the second protective cover 41 to move upward or downward. When the second protective cover 41 moves to a suitable position, the second engaging block 61 is realigned with the first engaging hole 60, and then the pull on the anti-slip cover 62 is released, that is, the second connecting plate 64 no longer squeezes the first spring 65. Under the action of the restoring force of the first spring 65, the second engaging block 61 moves forward, and then the second engaging block 61 is re-engaged with the first engaging hole 60, thereby completing the adjustment of the position of the second protective cover 41, and then repeating the operation to adjust the first protective cover 40 to the same position.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A protective device for preventing a working roll bearing box from falling off, comprising a working roll (1), wherein the working roll (1) is interference-connected with a bearing seat (2), and characterized in that: A protective component is arranged outside the working roller (1); The protection component comprises an anti-slip knob (44), four groups of the anti-slip knobs (44) are all fixedly connected to one end of a first screw rod (45), the outside of the four groups of the first screw rods (45) are all sleeved with a first screw sleeve (46), the four groups of the first screw sleeve (46) are all fixedly connected to a screw sleeve connecting block (47), the four groups of the screw sleeve connecting block (47) are fixedly connected to the bearing seat (2), the other end of the four groups of the first screw rods (45) are all clamped with a first clamping block (48), the bottom ends of the four groups of the first clamping blocks (48) are all fixedly connected to the top end of the first connecting block (43), and an adjustment component is arranged outside the working roller (1).

2. The protective device for preventing the working roll bearing box from falling off according to claim 1 is characterized in that: The adjustment assembly comprises an anti-slip sleeve (62), four groups of the anti-slip sleeve (62) are all fixedly connected to one end of the second connecting plate (64), the other ends of the four groups of the second connecting plates (64) are all fixedly connected to the second engaging block (61), the four groups of the second connecting plates (64) all penetrate the first connecting block (43), and the four groups of the second engaging blocks (61) are all engaged with the first engaging hole (60).

3. A protective device for preventing a working roll bearing box from falling off according to claim 2, characterized in that: The bottom ends of the four groups of the first connecting blocks (43) are all in contact with the first contact plate (49), the four groups of the first contact plates (49) are all fixedly connected to the bearing seat (2), the four groups of the first connecting blocks (43) are all in contact with the first connecting plate (42), and one group of the first connecting plates (42) is fixedly connected to two groups of the second protective sleeves (41).

4. A protective device for preventing a working roll bearing box from falling off according to claim 3, characterized in that: The four groups of the first engaging holes (60) are all opened at one end of the first connecting block (43), the four groups of the second engaging blocks (61) are all fixedly connected to one end of the first spring (65), and the other ends of the four groups of the first spring (65) are all fixedly connected to the inner wall of the second connecting block (63).

5. The protective device for preventing the working roll bearing box from falling off according to claim 4 is characterized in that: Another group of the first connecting plates (42) is fixedly connected to the first protective cover (40), and the two groups of the first protective covers (40) are both in contact with the second protective cover (41). The first protective cover (40) is sleeved on the outside of the working roller (1), and the second protective cover (41) is sleeved on the outside of the working roller (1).

6. The protective device for preventing the working roll bearing box from falling off according to claim 5, characterized in that: The four groups of the second connecting plates (64) are all slidably connected to the first sliding groove (66), the four groups of the second connecting blocks (63) are all sleeved on the outside of the second engaging block (61), the four groups of the second connecting blocks (63) are all fixedly connected to the first connecting plate (42), and the four groups of the first sliding groove (66) are all opened at one end of the second connecting block (63).

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