Marshalling high-speed shaft with high stability

Abstract

The utility model discloses a marshalling high-speed shaft with high stability, which belongs to the technical field of speed reducers and comprises a high-speed shaft, and the left end and the right end of the high-speed shaft are rotationally connected with a tool seat through self-aligning roller bearings; the opposite side walls of the tool bases on the left side and the right side are fixedly connected with L-shaped supporting frames. Supporting mechanisms are connected to the upper end of the L-shaped supporting frame in a front-back symmetry mode. The upper ends of the L-shaped supporting frames are connected with disassembly and assembly auxiliary mechanisms in a front-back symmetry mode. The dismounting auxiliary mechanism comprises a driving mechanism and a connecting assembly, and the driving mechanism is connected to the upper end of the L-shaped supporting frame; one end of the driving mechanism is connected with the supporting mechanism and the other end of the connecting assembly is connected with the driving mechanism. By means of the mode, through the supporting effect of the supporting mechanism on the high-speed shaft, when the centering sleeve of the self-aligning roller bearing is loosened, under the supporting effect of the supporting mechanism, coupler abrasion caused by deviation and swinging of the high-speed shaft is avoided, and therefore faults are reduced, the situation that equipment is standby due to long-time maintenance caused by the faults is avoided, and the production efficiency is indirectly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer, specifically relates to a high stability marshalling high speed shaft. BACKGROUND

[0002] In the technical field of speed reducer, the industry prospect of high speed shaft of speed reducer is broad. With the acceleration of global industrialization process and the rise of intelligent manufacturing, as a key basic component of equipment manufacturing industry, the market demand of speed reducer continues to grow.

[0003] Chinese patent CN210799697U discloses a high speed shaft of rolling mill vertical rolling speed reducer, including shaft shoulder, the axial both ends of shaft shoulder are equipped with first shaft section and second shaft section respectively, the radial dimension of shaft shoulder is greater than the radial dimension of first shaft section and second shaft section;First bearing is arranged at first shaft section position, the end of first shaft section is equipped with driving bevel gear connected with first bearing, the inner ring of first bearing abuts on the end of shaft shoulder in axial inner side, the inner ring of first bearing is connected with driving bevel gear in axial outer side;Second bearing is arranged at second shaft section position, the axial inner side of second bearing abuts on the end of shaft shoulder, the axial outer side of second bearing is positioned through nut, and nut is connected with second shaft section thread.But, the high speed shaft still has the following problems:

[0004] When the bearing centering sleeve of first bearing or second bearing is loose, the high speed shaft will be offset and swing in the rotating process driven by speed reducer, which will aggravate the wear of coupling and cause equipment damage.

[0005] Based on this, the utility model discloses a high stability marshalling high speed shaft to solve the above -mentioned problem. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of prior art, the utility model provides a high stability marshalling high speed shaft.

[0007] To achieve the above object, the utility model is realized by the following technical scheme:

[0008] A high stability marshalling high speed shaft, including high speed shaft;

[0009] The left and right ends of the high speed shaft are rotatably connected with tool holders through self-aligning roller bearings;The side walls of the tool holders on the left and right sides are fixedly connected with L-shaped support frames;The L-shaped support frames are symmetrically connected with support mechanisms for supporting the high speed shaft at the upper ends;The L-shaped support frames are symmetrically connected with two groups of dismounting auxiliary mechanisms for assisting the dismounting and replacement of the support mechanisms at the upper ends;The support mechanisms and the dismounting auxiliary mechanisms are one-to-one corresponding;

[0010] The disassembling and assembling auxiliary mechanism comprises a driving mechanism and a connecting assembly, the driving mechanism is connected to the upper end of the L-shaped support frame through the connecting assembly, one end of the driving mechanism is connected with the support mechanism, and the other end of the connecting assembly is connected with the driving mechanism.

[0011] Further, the support mechanism comprises guide rails, support blocks and support bearings, the guide rails are fixedly connected to the upper end of the L-shaped support frame, the upper end of the sliding block of the guide rail is fixedly connected with the support block, and the upper end of the support block is rotatably connected with a plurality of support bearings for supporting the high-speed shaft.

[0012] Further, the support bearing adopts a cylindrical roller bearing with large bearing capacity.

[0013] Further, the guide rails are symmetrically arranged on the upper end of the L-shaped support frame.

[0014] Further, the driving mechanism comprises L-shaped blocks one, threaded rods, driving blocks, sliding rods and hand wheels, the L-shaped blocks one are fixedly connected to the upper end of the L-shaped support frame, the side walls of the L-shaped blocks one on the two sides are rotatably connected with the threaded rods on the two sides, one end of the threaded rod is fixedly connected with the hand wheel through the L-shaped block one on the same side, the side walls of the L-shaped blocks one are fixedly connected with the two ends of the sliding rods, the driving block is threadedly connected with the threaded rod, and the driving block is limitingly and slidably connected with the sliding rod.

[0015] Further, the connecting assembly comprises L-shaped blocks two, connecting blocks, springs, fixed inclined blocks and driving inclined blocks, the L-shaped blocks two are fixedly connected to the upper end of the L-shaped support frame, the side walls of the L-shaped blocks two are fixedly connected with the springs, one end of the connecting block is fixedly connected with the side wall of the support block, the other end of the connecting block is fixedly connected with the end portion of the spring, the upper end of the connecting block is fixedly connected with the fixed inclined block, and the side walls of the driving block are fixedly connected with the driving inclined blocks.

[0016] Further, the inclined surface of the end portion of the left fixed inclined block faces the left side, and the inclined surface of the end portion of the right fixed inclined block faces the right side.

[0017] Further, the driving inclined blocks on the two sides are slidably matched with the fixed inclined blocks on the two sides.

[0018] Compared with the prior art, the support mechanism supports the high-speed shaft, when the centering sleeve of the self-aligning roller bearing is loose, the support mechanism avoids the wear of the shaft coupling caused by the deviation and swinging of the high-speed shaft, thereby reducing the occurrence of faults and avoiding the long-time standby of the equipment due to the faults, and indirectly improving the production efficiency; the high-speed shaft drives the connecting assembly through the driving mechanism to drive the support mechanism to move, the support mechanism is convenient to disassemble and assemble, the support mechanism is convenient to overhaul or disassemble and assemble, and the stability of the support effect of the support mechanism on the high-speed shaft is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the premise of the drawings.

[0020] Figure 1 A three-dimensional view of the high-stability high-speed shaft grouping of the present application Figure One ;

[0021] Figure 2 A front view of the high-stability high-speed shaft grouping of the present application

[0022] Figure 3 A three-dimensional view of the high-stability high-speed shaft grouping of the present application Figure Two ;

[0023] Figure 4 A three-dimensional view of the high-stability high-speed shaft grouping of the present application Figure Three ;

[0024] Figure 5 A three-dimensional view of the high-stability high-speed shaft grouping of the present application Figure Four .

[0025] The numbers in the figure represent respectively:

[0026] 11, tool seat; 12, self-aligning roller bearing; 13, high-speed shaft; 14, L-shaped support frame; 2, support mechanism; 21, guide rail; 22, support block; 23, support bearing; 3, dismounting auxiliary mechanism; 31, driving mechanism; 311, L-shaped block one; 312, threaded rod; 313, driving block; 314, sliding rod; 315, hand wheel; 32, connecting assembly; 321, L-shaped block two; 322, connecting block; 323, spring; 324, fixed inclined block; 325, driving inclined block. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] In the following description, "left", "right", "front", "back", "upper", "lower" are oriented in the perspective of a front view.

[0029] Embodiment one: in some embodiments, referring to the description of the drawings Figures 1-5 A high-stability assembled high-speed shaft, comprising a high-speed shaft 13;

[0030] Both left and right ends of the high-speed shaft 13 are rotatably connected with tool holders 11 through self-aligning roller bearings 12; the side walls of the tool holders 11 on both left and right sides are fixedly connected with L-shaped support frames 14; the upper ends of the L-shaped support frames 14 are symmetrically connected with support mechanisms 2 for supporting the high-speed shaft 13; the upper ends of the L-shaped support frames 14 are symmetrically connected with two groups of dismounting auxiliary mechanisms 3 for assisting in dismounting and replacing the support mechanisms 2; the support mechanisms 2 and the dismounting auxiliary mechanisms 3 correspond to each other;

[0031] The dismounting auxiliary mechanisms 3 comprise driving mechanisms 31 and connecting assemblies 32; the driving mechanisms 31 for driving the support mechanisms 2 to move are connected with the upper ends of the L-shaped support frames 14 through the connecting assemblies 32; one end of the driving mechanisms 31 is connected with the support mechanisms 2, and the other end of the connecting assemblies 32 is connected with the driving mechanisms 31.

[0032] In the utility model, under the support of the support mechanisms 2, when the centering sleeves of the self-aligning roller bearings 12 are loose, the offset and swinging of the high-speed shaft 13 can be avoided to reduce the wear of the shaft coupling, thereby reducing the occurrence of faults and avoiding the long-time standby of the equipment for maintenance due to the faults, indirectly improving the production efficiency; the high-speed shaft 13 drives the connecting assemblies 32 to move through the driving mechanisms 31, so that the support mechanisms 2 are convenient to dismount and replace, and the support mechanisms 2 are convenient to overhaul or dismount and replace, thereby ensuring the stability of the support effect of the support mechanisms 2 on the high-speed shaft 13.

[0033] The support mechanisms 2 comprise guide rails 21, support blocks 22 and support bearings 23; the guide rails 21 are fixedly connected with the upper ends of the L-shaped support frames 14 symmetrically; the upper ends of the sliding blocks of the guide rails 21 are fixedly connected with the support blocks 22; a plurality of support bearings 23 for supporting the high-speed shaft 13 are rotatably connected with the upper ends of the support blocks 22; the support bearings 23 adopt cylindrical roller bearings with large bearing capacity;

[0034] The driving mechanism 31 comprises L-shaped blocks one 311, threaded rods 312, driving blocks 313, slide rods 314 and hand wheels 315, the L-shaped blocks one 311 are fixedly connected to the upper ends of the L-shaped support frames 14 in a left-right symmetry; the side walls of the L-shaped blocks one 311 on the two sides are rotatably connected to the two sides of the threaded rods 312 respectively, one end of the threaded rod 312 is fixedly connected with the hand wheel 315 through the L-shaped block one 311 on the same side; the side walls of the L-shaped blocks one 311 on the two sides are fixedly connected with the two ends of the slide rods 314 respectively; the driving blocks 313 are threadedly connected with the threaded rods 312; the driving blocks 313 are limitingly and slidably connected with the slide rods 314.

[0035] The connecting assembly 32 comprises L-shaped blocks two 321, connecting blocks 322, springs 323, fixed inclined blocks 324 and driving inclined blocks 325, the L-shaped blocks two 321 are fixedly connected to the upper ends of the L-shaped support frames 14 in a left-right symmetry; the side walls of the L-shaped blocks two 321 are fixedly connected with the springs 323; one end of the connecting block 322 is fixedly connected with the side wall of the support block 22; the other end of the connecting block 322 is fixedly connected with the end of the spring 323; the upper ends of the connecting blocks 322 are fixedly connected with the fixed inclined blocks 324, and the inclined surfaces of the end portions of the left fixed inclined blocks 324 face the left side, and the inclined surfaces of the end portions of the right fixed inclined blocks 324 face the right side; the side walls of the driving blocks 313 are fixedly connected with the driving inclined blocks 325 in a left-right symmetry, and the driving inclined blocks 325 on the left and right sides slide with the fixed inclined blocks 324 on the left and right sides respectively.

[0036] In the utility model, the hand wheel 315 drives the threaded rod 312 to drive the driving block 313 to move to the left side under the limiting action of the slide rod 314, when the right driving inclined block 325 is attached to the right fixed inclined block 324, the right driving inclined block 325 drives the fixed inclined block 324 to move to the direction of the high-speed shaft 13 through the inclined surface, the right fixed inclined block 324 drives the support bearing 23 on the upper end of the support block 22 to move to the side wall of the high-speed shaft 13 through the connecting block 322, the right spring 323 is stretched, when the right support bearing 23 is attached to the side wall of the high-speed shaft 13, the left driving inclined block 325 is separated from the inclined surface of the fixed inclined block 324, the left spring 323 drives the left support block 22 to move away from the high-speed shaft 13 through the left connecting block 322, so that the side wall of the left support bearing 23 is not attached to the side wall of the high-speed shaft 13, and the right support bearing 23 supports the high-speed shaft 13, the left support bearing 23 can be disassembled, replaced or overhauled when the high-speed shaft 13 rotates, the equipment does not need to be stopped, and the production efficiency is improved.

[0037] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high-stability assembled high-speed axle comprising a high-speed axle (13), characterized in that, It also includes tool seat (11), aligning roller bearing (12), L-shaped support frame (14), support mechanism (2) and dismounting auxiliary mechanism (3); The left and right ends of the high-speed shaft (13) are rotatably connected with the tool seat (11) through the aligning roller bearing (12); the opposite side walls of the tool seats (11) on the left and right sides are fixedly connected with the L-shaped support frames (14); the upper ends of the L-shaped support frames (14) are symmetrically connected with the support mechanisms (2) for supporting the high-speed shaft (13); the upper ends of the L-shaped support frames (14) are symmetrically connected with two groups of dismounting auxiliary mechanisms (3) for assisting in dismounting and replacing the support mechanisms (2); the support mechanisms (2) and the dismounting auxiliary mechanisms (3) correspond one by one; The dismounting auxiliary mechanism (3) comprises a driving mechanism (31) and a connecting assembly (32), and the driving mechanism (31) for driving the support mechanism (2) to move is connected to the upper end of the L-shaped support frame (14) through the connecting assembly (32); one end of the driving mechanism (31) is connected with the support mechanism (2), and the other end of the connecting assembly (32) is connected with the driving mechanism (31).

2. The high-stability assembled high-speed shaft according to claim 1, characterized by The support mechanism (2) comprises a guide rail (21), a support block (22) and a support bearing (23), the guide rail (21) is fixedly connected to the upper end of the L-shaped support frame (14); the upper ends of the sliding blocks of the guide rail (21) are fixedly connected with the support blocks (22); and the upper ends of the support blocks (22) are rotatably connected with a plurality of support bearings (23) for supporting the high-speed shaft (13).

3. The high stability assembled high speed shaft according to claim 2, wherein, The support bearing (23) is a cylindrical roller bearing with large bearing capacity.

4. The high-speed high-stability ganged axle according to claim 2, wherein The guide rail (21) is symmetrically arranged on the upper end of the L-shaped support frame (14).

5. The high-speed high-stability ganged axle according to claim 1, wherein The driving mechanism (31) comprises L-shaped blocks one (311), threaded rods (312), driving blocks (313), slide rods (314) and hand wheels (315), the L-shaped blocks one (311) are fixedly connected to the upper end of the L-shaped support frame (14) in a symmetrical manner; the opposite side walls of the L-shaped blocks one (311) on the two sides are rotatably connected with the threaded rods (312) on the two sides, one end of the threaded rod (312) penetrates through the L-shaped block one (311) on the same side and is fixedly connected with the hand wheel (315); the opposite side walls of the L-shaped blocks one (311) are fixedly connected with the two ends of the slide rod (314); the driving block (313) is in threaded connection with the threaded rod (312); and the driving block (313) is in limiting sliding connection with the slide rod (314).

6. The high stability ganged high speed shaft of claim 5 wherein, The connecting assembly (32) comprises L-shaped blocks two (321), connecting blocks (322), springs (323), fixed inclined blocks (324) and driving inclined blocks (325), the L-shaped blocks two (321) are fixedly connected to the upper end of the L-shaped support frame (14) in a symmetrical manner; the side walls of the L-shaped blocks two (321) are fixedly connected with the springs (323); one end of the connecting block (322) is fixedly connected with the side wall of the support block (22); the other end of the connecting block (322) is fixedly connected with the end of the spring (323); the upper ends of the connecting blocks (322) are fixedly connected with the fixed inclined blocks (324); and the side walls of the driving block (313) are fixedly connected with the driving inclined blocks (325) in a symmetrical manner.

7. The high stability ganged high speed shaft of claim 6 wherein, The slope of the end of the left fixed inclined block (324) faces left, and the slope of the end of the right fixed inclined block (324) faces right.

8. The high stability ganged high speed shaft of claim 6 wherein, The left and right driving inclined blocks (325) slide in cooperation with the left and right fixed inclined blocks (324) respectively.

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