Quick turnover mechanism for maintenance of roller bearing seat of cold rolling mill

Abstract

The invention relates to a quick turnover mechanism for maintenance of a roller bearing seat of a cold rolling mill, which comprises a base, the left end of the base is provided with a lifting seat driven by a lifting assembly to lift, the right side of the lifting seat is rotatably connected with a maintenance platform for mounting the roller bearing seat, the maintenance platform is driven by a rotating assembly to rotate, and the rotating axis is transversely arranged; the right end of the lifting base is rotationally connected with a turnover base through a transverse rotating shaft, and the axis of the turnover base extends in the transverse direction. The maintenance platform is fixedly arranged on the right end face of the overturning base, and the length direction of the maintenance platform is parallel to the axis direction of the overturning base. The device is reasonable in structural design, the rotating assembly drives the cold-rolling mill roller bearing seat to turn over through the maintenance platform so as to conveniently adjust the maintenance position, the lifting assembly can adjust the height of the maintenance platform, the flexibility of maintenance operation is improved, a crane lifting hook does not need to be repeatedly assembled and disassembled in the whole maintenance process, and turning over by means of a crane is not needed. The efficiency of the whole maintenance operation is effectively improved, and meanwhile the safety is improved.

Description

Technical Field

[0001] The invention relates to a quick turning mechanism for maintaining a roller bearing seat of a cold rolling mill. Background Art

[0002] During the use of the cold rolling mill, the roller bearing seat needs to be maintained regularly. During the maintenance of the roller bearing seat, due to the heavy weight of the roller bearing seat, it is usually necessary to use a crane for lifting. After the maintenance of one end of the roller bearing seat is completed, the roller bearing seat is turned over by the crane, and then the other end of the roller bearing seat is maintained. The entire maintenance process requires the use of a crane to lift and flip the roller bearing seat, and repeated installation and disassembly of the crane hook is required. The operation is cumbersome, time-consuming and inefficient. At the same time, the roller bearing seat is prone to collisions, foot-smashing and other safety accidents during the crane lifting and flipping process, and the safety is not ideal. Summary of the invention

[0003] The present invention makes improvements on the problems existing in the above-mentioned prior art, that is, the technical problem to be solved by the present invention is to provide a rapid flipping mechanism for the maintenance of the cold rolling mill roll bearing seat, which has a reasonable design and effectively improves work efficiency and safety.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a rapid flipping mechanism for maintaining a cold rolling mill roll bearing seat, comprising a base, a lifting seat driven to rise and fall by a lifting assembly is arranged at the left end of the base, a maintenance platform for installing the roll bearing seat is rotatably connected to the right side of the lifting seat, and the maintenance platform is driven to rotate by a rotating assembly and the rotation axis is arranged horizontally.

[0005] Furthermore, the right end of the lifting seat is rotatably connected to the flip seat via a transverse rotating shaft, and the axis of the flip seat extends laterally; the maintenance platform is fixedly arranged on the right end surface of the flip seat, and the length direction of the maintenance platform is parallel to the axis direction of the flip seat.

[0006] Furthermore, the rotating assembly includes a rotating motor, a first gear and a second gear. The rotating motor is installed inside the lifting seat. The output shaft of the rotating motor extends to the right and is connected to the first gear. The second gear is installed at the left end of the flip seat and is coaxially arranged with the horizontal rotating shaft. The second gear is meshed with the first gear. The rotating motor drives the flip seat to rotate through the first gear and the second gear.

[0007] Furthermore, the lifting assembly includes a pair of vertical guide rails arranged on the front and rear sides of the lifting seat, a vertical screw is arranged between the pair of vertical guide rails, the vertical screw is driven to rotate by a lifting motor arranged above the vertical screw, the vertical screw is connected to a lifting nut fixed on the lifting seat, and a pair of lifting wheels distributed front and rear are arranged at the upper and lower ends of the lifting seat, the lifting wheels extend into the vertical guide rails located on the same side and cooperate with the vertical guide rails in vertical rolling.

[0008] Furthermore, rectangular slots are provided at the front and rear ends of the lifting seat on the side of each lifting wheel, and lifting auxiliary wheels are installed in the rectangular slots. The wheel axles of the lifting auxiliary wheels are arranged horizontally, and the lifting auxiliary wheels are vertically rolled with the side edges of the vertical guide rails.

[0009] Furthermore, a clamp for fixing the roller bearing seat is provided on the maintenance platform, and the clamp includes a pair of L-shaped clamp seat plates symmetrically distributed on the left and right, and the clamp seat plates are fixed on the maintenance platform. A pair of inverted L-shaped pressure plates symmetrically distributed on the left and right are provided between the upper ends of the pair of clamp seat plates, and the lower ends of the vertical sections of the pressure plates are connected to the clamp seat plates on the same side through connecting bolts, and the horizontal sections of the pair of pressure plates are used to press the flanges on the left and right sides of the roller bearing seat respectively.

[0010] Furthermore, the clamp also includes a pair of symmetrically distributed front and rear limit plates, which are fixed on the maintenance platform and are used to lean against the front and rear sides of one end of the roller bearing seat close to the maintenance platform.

[0011] Furthermore, the left and right ends of the maintenance platform are provided with a plurality of first inverted T-shaped slide grooves distributed along the longitudinal intervals, and the first T-shaped bolts are provided in the first inverted T-shaped slide grooves. The first T-shaped bolts are passed through the clamp seat plate upwards and then locked with the first nut to lock the clamp seat plate to the maintenance platform; the front and rear ends of the maintenance platform are provided with a plurality of second inverted T-shaped slide grooves distributed along the transverse intervals, and the second T-shaped bolts are provided in the second inverted T-shaped slide grooves. The second T-shaped bolts are passed through the limit support plate upwards and then locked with the second nut to lock the limit support plate to the maintenance platform.

[0012] Furthermore, an inclined reinforcement rod is fixed between the bottom of the maintenance platform and the right end surface of the flip seat.

[0013] Furthermore, a protective guardrail is arranged on the base at the outer side of the maintenance platform.

[0014] Compared with the prior art, the present invention has the following effects: the structural design of the present invention is reasonable, and the disassembled cold rolling mill roller bearing seat is installed on the maintenance platform during use. The rotating component drives the cold rolling mill roller bearing seat to flip through the maintenance platform to facilitate the adjustment of the maintenance position, and the lifting component can adjust the height of the maintenance platform, thereby improving the flexibility of the maintenance operation and adapting to operators of different heights. The entire maintenance process does not require repeated installation and disassembly of the crane hook, nor does it require the use of a crane for flipping, which effectively improves the efficiency of the entire maintenance operation while improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 1 is a schematic diagram of a front cross-sectional structure of an embodiment of the present invention; Figure 2 is a left-view structural schematic diagram of an embodiment of the present invention; Figure 3 is a schematic diagram of a top view of the structure of an embodiment of the present invention; Figure 4 It is a partial right view structural schematic diagram of an embodiment of the present invention; Figure 5 yes Figure 4 The structural diagram of the maintenance platform is omitted; Figure 6 It is a left view structural schematic diagram of the lifting seat in the embodiment of the present invention.

[0016] In the figure: 1-base; 2-lifting seat; 3-lifting assembly; 4-maintenance platform; 5-roller bearing seat; 51-flange; 6-lateral rotating shaft; 7-turning seat; 8-rotating motor; 9-first gear; 10-second gear; 11-vertical guide rail; 12-vertical screw; 13-lifting motor; 14-lifting nut; 15-lifting wheel; 16-connecting shaft; 17-motor seat plate; 18-lifting auxiliary wheel; 19-clamp seat plate; 20-pressing plate; 21-connecting bolt; 22-limiting support plate; 23-first inverted T-shaped slide groove; 24-first T-bolt; 25-second inverted T-shaped slide groove; 26-second T-bolt; 27-reinforcement rod; 28-protective guardrail. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] like Figures 1 to 6 As shown, the present invention is a rapid flipping mechanism for the maintenance of a cold rolling mill roll bearing seat, which is specially used for the maintenance operation of the cold rolling mill roll bearing seat, and specifically includes a rectangular base 1 horizontally installed on the ground, a lifting seat 2 is arranged above the left end of the base 1, and the lifting seat 2 is driven by a lifting assembly 3 to lift vertically, and a rectangular maintenance platform 4 is rotatably connected to the right side of the lifting seat 2, and the maintenance platform 4 is used to install the roll bearing seat 5, and the maintenance platform 4 is driven to rotate by a rotating assembly, and the rotation axis of the maintenance platform is arranged horizontally. The cold rolling mill roller bearing seat disassembled during use is hoisted onto the maintenance platform by a crane, and the cold rolling mill roller bearing seat 5 is installed on the maintenance platform 4, and then the roller bearing seat 5 is maintained by standing on the ground and located on the outside of the base 1; during the maintenance process, the rotating component drives the cold rolling mill roller bearing seat 5 to flip through the maintenance platform 4 to facilitate the adjustment of the maintenance position, and the lifting component can adjust the height of the maintenance platform, improve the flexibility of the maintenance operation, and can adapt to operators of different heights. The entire maintenance process does not require repeated installation and disassembly of the crane hook, nor does it require the use of a crane for flipping, which effectively improves the efficiency of the entire maintenance operation and improves safety at the same time.

[0020] In this embodiment, the top-view cross-section of the lifting seat 2 is a horizontal U-shape, and the right end of the lifting seat 2 is rotatably connected to a circular flip seat 7 through a transverse rotating shaft 6. The axis of the flip seat 7 extends laterally, and the transverse rotating shaft 6 is connected to the center position of the flip seat 7, that is, the transverse rotating shaft and the flip seat are coaxially arranged; the maintenance platform 4 is fixedly arranged on the right end surface of the flip seat 7, and the length direction of the maintenance platform 4 is parallel to the axis direction of the flip seat 7, and the maintenance platform and the lifting seat are rotatably connected through the flip seat and the transverse rotating shaft.

[0021] In this embodiment, the rotating assembly includes a rotating motor 8, a first gear 9 and a second gear 10. The diameter of the second gear 10 is larger than that of the first gear 9. The rotating motor 8 is installed in the lifting seat 2 in the horizontal direction. The output shaft of the rotating motor 8 extends to the right and is connected to the first gear 9. The second gear 10 is installed at the left end of the flip seat 7 and is coaxially arranged with the horizontal rotating shaft 6. The second gear 10 is meshed with the first gear 9. The rotating motor drives the flip seat 7 to rotate through the first gear 9 and the second gear 10, and the flip seat 7 drives the maintenance platform 4 to rotate synchronously. By controlling the forward and reverse rotation of the rotating motor, the maintenance platform can be rotated forward or backward. Preferably, the maintenance platform rotates forward or backward by a maximum of 90 degrees.

[0022] In this embodiment, the lifting assembly 3 includes a pair of vertical guide rails 11 arranged on the front and rear sides of the lifting seat 2. The top view cross section of the vertical guide rails is groove-shaped. A vertical screw 12 is arranged between the pair of vertical guide rails 11. The vertical screw 12 is driven to rotate by a lifting motor 13 arranged above it. The vertical screw 12 is connected to a lifting nut 14 fixed inside the lifting seat 2. A pair of lifting wheels 15 distributed front and rear are arranged at the upper and lower ends of the lifting seat 2. The wheel axles of the lifting wheels are arranged longitudinally. The lifting wheels 15 extend into the vertical guide rails 11 on the same side and cooperate with the vertical guide rails 11 to roll vertically. When working, the lifting motor drives the vertical screw to rotate, and the rotational movement of the vertical screw is converted into the vertical linear movement of the lifting seat, and the lifting wheels on the lifting seat roll along the vertical guide rails. Preferably, the lifting stroke of the lifting seat is 500mm.

[0023] In this embodiment, a longitudinally arranged connecting shaft 16 is disposed at both the upper and lower ends of the lifting seat 2 , and a pair of lifting wheels 15 is installed at the front and rear ends of the connecting shaft 16 .

[0024] In this embodiment, a motor base plate 17 is disposed between the tops of a pair of vertical guide rails 11 , and the lifting motor 13 is vertically mounted on the motor base plate 17 .

[0025] In this embodiment, rectangular notches are provided at the front and rear ends of the lifting seat 2 on the side of each lifting wheel, and lifting auxiliary wheels 18 are installed in the rectangular notches. The axles of the lifting auxiliary wheels 18 are arranged in the transverse direction, and the lifting auxiliary wheels 18 are vertically rolled with the side edges of the vertical guide rails 11. By providing the lifting auxiliary wheels, the displacement of the lifting seat in the front and rear directions when the lifting seat is lifted can be reduced, and the stability of the lifting seat can be improved.

[0026] In this embodiment, in order to fix the roller bearing seat to the maintenance platform, a clamp for fixing the roller bearing seat is provided on the maintenance platform 4. Specifically, the clamp includes a pair of L-shaped clamp seat plates 19 symmetrically distributed on the left and right, the horizontal section of the clamp seat plates 19 is fixed on the maintenance platform 4, and a pair of inverted L-shaped pressing plates 20 symmetrically distributed on the left and right are provided between the upper ends of the vertical sections of the pair of clamp seat plates 19. The lower ends of the vertical sections of the pressing plates 20 are connected to the clamp seat plates 19 on the same side through connecting bolts 21, and the horizontal sections of the pair of pressing plates 20 are used to press the flanges 51 on the left and right sides of the roller bearing seat 5, respectively. During operation, the roller bearing seat is placed on the maintenance platform, and the pair of pressing plates press the flanges on the left and right sides of the roller bearing seat, respectively, so as to firmly press the roller bearing seat on the maintenance platform.

[0027] In this embodiment, the clamp also includes a pair of limit plates 22 symmetrically distributed front and rear, the cross-section of the limit plates 22 is a right angle, and the limit plates 22 are fixed on the maintenance platform 4. The pair of limit plates 22 are used to abut against the front and rear sides of one end of the roller bearing seat 5 close to the maintenance platform 4 to further prevent the roller bearing seat from moving in the front and rear directions during the flipping of the maintenance platform.

[0028] In this embodiment, a plurality of first inverted T-shaped grooves 23 spaced apart in the longitudinal direction are provided at the left and right ends of the maintenance platform 4. The first inverted T-shaped grooves 23 extend in the transverse direction. A first T-shaped bolt 24 is provided in the first inverted T-shaped groove 23. The first T-shaped bolt 24 penetrates the clamp base plate 19 upward and is locked with the first nut to lock the clamp base plate to the maintenance platform.

[0029] In this embodiment, the front and rear ends of the maintenance platform 4 are provided with a plurality of second inverted T-shaped slide grooves 25 distributed along the transverse intervals. The second inverted T-shaped slide grooves 25 extend longitudinally. Second T-shaped bolts 26 are provided in the second inverted T-shaped slide grooves 25. The second T-shaped bolts 26 penetrate upward through the limiting support plate 22 and are locked with the second nut to lock the limiting support plate to the maintenance platform.

[0030] In this embodiment, in order to improve the connection strength between the maintenance platform and the turning seat, an inclined reinforcement rod 27 is fixed between the middle part of the bottom surface of the maintenance platform 4 and the right end surface of the turning seat 7 .

[0031] In this embodiment, in order to improve safety, a protective guardrail 28 is provided on the base 1 outside the maintenance platform, and the width of the protective guardrail is greater than the rotation range of the maintenance platform to avoid interference.

[0032] In this embodiment, the lifting motor can adopt a 5.5KW motor, which is connected by a gearbox. The size of the lifting screw is M50X4, the rotating motor adopts a 3KW brake motor, and the base and vertical guide rail are made of I-beams, and the lifting seat is welded with 25mm iron plates.

[0033] If the present invention discloses or involves components or structures that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connection using bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).

[0034] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the present invention include states or shapes that are approximate, similar, or close to them.

[0035] Any component provided by the present invention may be assembled from a plurality of separate components, or may be a separate component manufactured by an integral forming process.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. A rapid turning mechanism for the maintenance of a cold rolling mill roll bearing seat, characterized in that: It comprises a base, the left end of which is provided with a lifting seat driven by a lifting assembly, the right side of which is rotatably connected with a maintenance platform for installing a roller bearing seat, the maintenance platform is driven to rotate by a rotating assembly and the rotation axis is arranged horizontally.

2. A rapid turning mechanism for maintenance of a cold rolling mill roll bearing seat according to claim 1, characterized in that: The right end of the lifting seat is rotatably connected to the flip seat via a transverse rotating shaft, and the axis of the flip seat extends laterally; the maintenance platform is fixedly arranged on the right end surface of the flip seat, and the length direction of the maintenance platform is parallel to the axis direction of the flip seat.

3. A rapid turning mechanism for maintenance of a cold rolling mill roll bearing seat according to claim 2, characterized in that: The rotating assembly includes a rotating motor, a first gear and a second gear. The rotating motor is installed inside the lifting seat. The output shaft of the rotating motor extends to the right and is connected to the first gear. The second gear is installed at the left end of the flip seat and is coaxially arranged with the horizontal rotating shaft. The second gear is meshed with the first gear. The rotating motor drives the flip seat to rotate through the first gear and the second gear.

4. The rapid turning mechanism for maintaining a cold rolling mill roll bearing seat according to claim 1, characterized in that: The lifting assembly includes a pair of vertical guide rails arranged on the front and rear sides of the lifting seat, a vertical screw is arranged between the pair of vertical guide rails, the vertical screw is driven to rotate by a lifting motor arranged above the vertical screw, and the vertical screw is connected to a lifting nut fixed on the lifting seat. The upper and lower ends of the lifting seat are each provided with a pair of lifting wheels distributed front and rear, the lifting wheels extend into the vertical guide rails on the same side and cooperate with the vertical guide rails in vertical rolling.

5. A rapid turning mechanism for maintenance of a cold rolling mill roll bearing seat according to claim 4, characterized in that: Rectangular slots are arranged at the front and rear ends of the lifting seat beside each lifting wheel, and lifting auxiliary wheels are installed in the rectangular slots. The wheel axles of the lifting auxiliary wheels are arranged horizontally, and the lifting auxiliary wheels are vertically rolled with the side edges of the vertical guide rails.

6. The rapid turning mechanism for maintaining a cold rolling mill roll bearing seat according to claim 1, characterized in that: The maintenance platform is provided with a clamp for fixing the roller bearing seat, and the clamp includes a pair of L-shaped clamp seat plates symmetrically distributed on the left and right, and the clamp seat plates are fixed on the maintenance platform. A pair of inverted L-shaped pressure plates symmetrically distributed on the left and right are provided between the upper ends of the pair of clamp seat plates, and the lower ends of the vertical sections of the pressure plates are connected to the clamp seat plates on the same side through connecting bolts, and the horizontal sections of the pair of pressure plates are used to press the flanges on the left and right sides of the roller bearing seat respectively.

7. A rapid turning mechanism for maintenance of a cold rolling mill roll bearing seat according to claim 6, characterized in that: The clamp also includes a pair of symmetrically distributed front and rear limit plates, which are fixed on the maintenance platform and are used to abut against the front and rear sides of one end of the roller bearing seat close to the maintenance platform.

8. The rapid turning mechanism for maintaining a cold rolling mill roll bearing seat according to claim 7, characterized in that: The left and right ends of the maintenance platform are each provided with a plurality of first inverted T-shaped slide grooves distributed along the longitudinal intervals, and the first T-shaped bolt is arranged in the first inverted T-shaped slide groove. The first T-shaped bolt passes through the clamp seat plate upward and is locked with the first nut to lock the clamp seat plate to the maintenance platform; the front and rear ends of the maintenance platform are each provided with a plurality of second inverted T-shaped slide grooves distributed along the transverse intervals, and the second T-shaped bolt is arranged in the second inverted T-shaped slide groove. The second T-shaped bolt passes through the limit support plate upward and is locked with the second nut to lock the limit support plate to the maintenance platform.

9. The rapid turning mechanism for maintaining a cold rolling mill roll bearing seat according to claim 2, characterized in that: An inclined reinforcement rod is fixed between the bottom of the maintenance platform and the right end surface of the turning seat.

10. The rapid turning mechanism for maintaining a cold rolling mill roll bearing seat according to claim 1, characterized in that: A protective guardrail is arranged on the base at the outer side of the maintenance platform.

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