CN214742867U

CN214742867U - Multi-diaphragm long-shaft elastic coupling applied to medium and small torque transmission environment

Info

Publication number: CN214742867U
Application number: CN202120777757.7U
Authority: CN
Inventors: 王欣
Original assignee: Wuxi Vulkan Technologies Co ltd
Current assignee: Wuxi Vulkan Technologies Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-16
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a be applied to many diaphragms long shaft elastic coupling under medium and small torque transmission environment, can satisfy generating set, electric push boat and spout pump ship limited axial-radial-angle displacement compensation function simultaneously, make own structure further optimization, the cost further reduces; the utility model discloses on considering its whole basis that has effective axial-radial-angle deflection ability, more use sleeve and diaphragm subassembly structure for this elastic coupling of design and development has long shafting, and is with low costs, and economic nature is good, conveniently makes, and the suitability is strong and advantages such as product life is long, the utility model discloses a jackshaft, a plurality of first drive pin and a plurality of first elasticity cylindric lock, first connection structure and axle sleeve fixed connection are passed through to the one end of jackshaft, and the other end of jackshaft passes through second connection structure and rubber spare fixed connection, the rubber spare passes through third connection structure and axle hub fixed connection.

Description

Multi-diaphragm long-shaft elastic coupling applied to medium and small torque transmission environment

Technical Field

The utility model relates to a shaft coupling technical field especially relates to a be applied to many diaphragms long shaft elastic coupling under middle and small torque transmission environment.

Background

By analyzing the demands for the coupler in the current market, different designs of relevant subdivision on the coupler in the relevant subdivision field can be found, so that the coupler is mainly selected in a mode that the size is matched with the technical parameters. However, with the competition of the market and the demand for high-performance couplers, the development of refined and targeted couplers is increasingly emphasized. A coupler used by the generator set has low requirement on the torsional rigidity of the coupler, but simultaneously the coupler is required to bear larger axial rigidity and radial rigidity.

The existing coupler has the problems of high functional redundancy degree, high manufacturing cost, complex structure and the like, and a supporting device needs to be additionally arranged for long shafting transmission.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide

The utility model adopts the technical proposal that: the utility model provides a be applied to many diaphragms long shaft elastic coupling under middle and small torque transmission environment, includes jackshaft, a plurality of first drive pin and a plurality of first elasticity cylindric lock, first connection structure and axle sleeve fixed connection are passed through to the one end of jackshaft, and the other end of jackshaft passes through second connection structure and rubber spare fixed connection, the rubber spare passes through third connection structure and axle hub fixed connection.

Furthermore, the first connecting structure comprises a first diaphragm and a sheet connecting flange arranged between the shaft sleeve and the intermediate shaft, the shaft sleeve and the sheet connecting flange are fixedly connected through a plurality of groups of first fastening components, each first fastening component comprises a first bolt, a first nut and a first gasket, the first bolt sequentially penetrates through the sheet connecting flange and the shaft sleeve and then is connected with the first nut, the first gasket is sleeved on the first bolt, the first diaphragm and the sheet connecting flange are fixedly connected through a plurality of groups of second fastening components, each second fastening component comprises a second bolt, a second nut and a first sleeve arranged between the first diaphragm and the sheet connecting flange, the second bolt sequentially penetrates through the first diaphragm, the first sleeve and the sheet connecting flange and then is connected with the second nut, the intermediate shaft and the first diaphragm are fixedly connected through a plurality of groups of third fastening components, the third fastening assembly comprises a third bolt, a third nut, a third pressing ring and a third gasket, the third bolt sequentially penetrates through the first diaphragm and the middle shaft and then is connected with the third nut, the third gasket and the third pressing ring are sleeved on the third bolt, the third gasket is arranged between the third nut and the middle shaft, the third pressing ring is arranged between nuts of the first diaphragm and the third bolt, one end of the first transmission pin is connected with the sheet connecting flange, and the other end of the first transmission pin is connected with the first diaphragm.

Furthermore, the second bolt is sleeved with a second gasket, a second washer and an eighth gasket, the second gasket and the second washer are arranged between the first diaphragm and the nut of the second bolt, and the eighth gasket is arranged between the sheet-shaped connecting flange and the second nut.

Furthermore, the second connecting structure comprises a second diaphragm fixedly connected with the intermediate shaft through a plurality of groups of fourth fastening assemblies, each fourth fastening assembly comprises a fourth bolt, a fourth nut, a fourth pressing ring and a fourth gasket, the fourth bolt sequentially penetrates through the second diaphragm and the intermediate shaft and then is connected with the fourth nut, the fourth gasket and the fourth pressing ring are sleeved on the fourth bolt, the fourth gasket is arranged between the fourth nut and the intermediate shaft, the fourth pressing ring is arranged between the second diaphragm and a nut of the fourth bolt, the second diaphragm is fixedly connected with the rubber piece through a plurality of groups of fifth fastening assemblies, each fifth fastening assembly comprises a fifth bolt, a fifth gasket and a fifth gasket, a screw rod of the fifth bolt penetrates through the second diaphragm and the rubber piece, the fifth gasket and the fifth gasket are sleeved on a screw rod of the fifth bolt, and the fifth gasket are arranged between the second diaphragm and the nut of the fifth bolt, one end of the first elastic cylindrical pin penetrates through the second membrane and then extends into the rubber piece, a second sleeve is sleeved on the first elastic cylindrical pin, and the second sleeve is located between the rubber piece and the second membrane.

Furthermore, the third connecting structure comprises a connecting flange which is fixedly connected with the rubber piece through a plurality of groups of sixth fastening assemblies, the sixth fastening assembly comprises a sixth bolt, a sixth gasket and a sixth nut, the sixth bolt sequentially penetrates through the rubber piece and the connecting flange and then is fixedly connected with the sixth nut, the sixth gasket is sleeved on the sixth bolt, the connecting flange is connected with a plurality of outer ring sleeves, each outer ring sleeve is fixedly connected with the connecting flange through a fastening bolt, the fastening bolt sequentially passes through the outer ring sleeve and the connecting flange and then is connected with a fastening nut, the outer ring sleeve is connected with a second elastic cylindrical pin, the connecting flange is fixedly connected with the shaft hub through a plurality of groups of seventh fastening assemblies, each seventh fastening assembly comprises a screw and a seventh gasket, the screw penetrates through the shaft hub and then extends into the connecting flange, and the seventh gasket is sleeved on the screw.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a be applied to many diaphragms long shaft elastic coupling under medium and small torque transmission environment, can satisfy generating set, electric push boat and spout pump ship limited axial-radial-angle displacement compensation function simultaneously, make own structure further optimization, the cost further reduces; by considering the influence of the coupling loss power value of the whole structure and adopting an elastic body with specific hardness and rigidity, the corresponding torsional rigidity value is met, the effect of the elastic body on the torsional vibration isolation is optimized, and the possibility of resonance damage generated in the running speed of the unit is eliminated; therefore, the utility model discloses on considering its whole effective axial-radial-angle deflection ability's that has basis, more use sleeve and diaphragm subassembly structure for this elastic coupling of design and development has long shafting, and is with low costs, and economic nature is good, conveniently makes, and the suitability is strong and product life advantage such as long, and consequently, this kind of be applied to many diaphragms long axle elastic coupling under the medium and small torque transmission environment has better popularization benefit and considerable market prospect, can produce good economy and social.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic view of the external structure of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 2, a multi-diaphragm long-shaft elastic coupling applied to a medium-small torque transmission environment comprises an intermediate shaft 100, a plurality of first transmission pins 551 and a plurality of first elastic cylindrical pins 552, wherein one end of the intermediate shaft 100 is fixedly connected with a shaft sleeve 1 through a first connecting structure, the other end of the intermediate shaft 100 is fixedly connected with a rubber part 7 through a second connecting structure, and the rubber part 7 is fixedly connected with a shaft hub 5 through a third connecting structure.

The first connecting structure comprises a first diaphragm 31 and a sheet-shaped connecting flange 119 arranged between a shaft sleeve 1 and an intermediate shaft 100, the shaft sleeve 1 and the sheet-shaped connecting flange 119 are fixedly connected through a plurality of groups of first fastening components, each first fastening component comprises a first bolt 91, a first nut 121 and a first gasket 151, the first bolt 91 sequentially penetrates through the sheet-shaped connecting flange 119 and the shaft sleeve 1 and then is connected with the first nut 121, the first gasket 151 is sleeved on the first bolt 91, the first diaphragm 31 and the sheet-shaped connecting flange 119 are fixedly connected through a plurality of groups of second fastening components, each second fastening component comprises a second bolt 110, a second nut 128 and a first sleeve 115 arranged between the first diaphragm 31 and the sheet-shaped connecting flange 119, the second bolt 110 sequentially penetrates through the first diaphragm 31, the first sleeve 115 and the sheet-shaped connecting flange 119 and then is connected with the second nut 128, and the intermediate shaft 100 and the first diaphragm 31 are fixedly connected through a plurality of groups of third fastening components, the third fastening assembly comprises a third bolt 92, a third nut 122, a third press ring 61 and a third washer 152, the third bolt 92 sequentially penetrates through the first diaphragm 31 and the intermediate shaft 100 and then is connected with the third nut 122, the third washer 152 and the third press ring 61 are sleeved on the third bolt 92, the third washer 152 is arranged between the third nut 122 and the intermediate shaft 100, the third press ring 61 is arranged between nuts of the first diaphragm 31 and the third bolt 92, one end of the first transmission pin 551 is connected with the flaky connecting flange 119, and the other end of the first transmission pin 551 is connected with the first diaphragm 31.

The second bolt 110 is sleeved with a second gasket 161, a second washer 171 and an eighth gasket 120, the second gasket 161 and the second washer 171 are both arranged between the first diaphragm 31 and a nut of the second bolt 110, and the eighth gasket 120 is arranged between the sheet-shaped coupling flange 119 and the second nut 128.

The second connecting structure comprises a second diaphragm 32, the second diaphragm 32 is fixedly connected with the intermediate shaft 100 through a plurality of groups of fourth fastening assemblies, each fourth fastening assembly comprises a fourth bolt 93, a fourth nut 123, a fourth press ring 62 and a fourth washer 153, the fourth bolt 93 sequentially penetrates through the second diaphragm 32 and the intermediate shaft 100 and then is connected with the fourth nut 123, the fourth washer 153 and the fourth press ring 62 are sleeved on the fourth bolt 93, the fourth washer 153 is arranged between the fourth nut 123 and the intermediate shaft 100, the fourth press ring 62 is arranged between the second diaphragm 32 and a nut of the fourth bolt 93, the second diaphragm 32 is fixedly connected with the rubber piece 7 through a plurality of groups of fifth fastening assemblies, each fifth fastening assembly comprises a fifth bolt 10, a fifth gasket 162 and a fifth washer 172, a screw of the fifth bolt 10 is arranged on the second diaphragm 32 and the rubber piece 7 in a penetrating manner, and a screw of the fifth gasket 162 and the fifth washer 172 is arranged on a screw of the fifth bolt 10 in a penetrating manner, and the fifth gasket 162 and the fifth gasket 172 are both disposed between the second diaphragm 32 and the nut of the fifth bolt 10, one end of the first elastic cylindrical pin 552 penetrates through the second diaphragm 32 and then extends into the rubber member 7, the second sleeve 18 is sleeved on the first elastic cylindrical pin 552, and the second sleeve 18 is located between the rubber member 7 and the second diaphragm 32.

The third connecting structure comprises a connecting flange 4, the connecting flange 4 is fixedly connected with a rubber part 7 through a plurality of groups of sixth fastening assemblies, each sixth fastening assembly comprises a sixth bolt 13, a sixth gasket 19 and a sixth nut 14, the sixth bolt 13 sequentially penetrates through the rubber part 7 and the connecting flange 4 and then is fixedly connected with the sixth nut 14, the sixth gasket 19 is sleeved on the sixth bolt 13, the connecting flange 4 is connected with a plurality of outer ring sleeves 25, each outer ring sleeve 25 is fixedly connected with the connecting flange 4 through a fastening bolt 26, the fastening bolts 26 sequentially penetrate through the outer ring sleeves 25 and the connecting flange 4 and then are connected with the fastening nuts, the outer ring sleeves 25 are connected with second elastic cylindrical pins 27, the connecting flange 4 is fixedly connected with a shaft hub 5 through a plurality of groups of seventh fastening assemblies, each seventh fastening assembly comprises a screw 21 and a seventh gasket 154, the screw 21 penetrates through the shaft hub 5 and then extends into the connecting flange 4, the seventh washer 154 is fitted over the screw 21.

The left side of the shaft sleeve 1 is usually connected with a jet pump and a host machine so as to transmit corresponding torque and power, and the right side of the shaft sleeve 1 is fixedly connected with a sheet-shaped connecting flange 119 by adopting a group of first bolts 91, first nuts 121 and first washers 151; the outer ring of the sheet-shaped coupling flange 119 is tightly coupled to the set of sleeve 115 and the first diaphragm 31 by the second bolt 110, the second nut 128, the second washer 121, the second washer 161, and the second washer 171; by accounting for the maximum value of the transmission torque, a set of first transmission pins 551 is designed; in order to meet the torque transmission and positioning functions of the first sleeve 115, the structure of the first sleeve is designed with a js6 tolerance in the length direction, and 42CrMo is adopted for quenching and tempering; the third bolt 92, the third nut 122 and the third washer 152 are adopted in the inner ring of the first film sheet 31, and are tightly connected with the intermediate shaft 100 by the third pressing ring 61, so that the power is effectively transmitted.

The middle shaft 100 has the long shaft transmission function, the requirement of the long shaft structure on stability under the medium and small torque transmission working condition is comprehensively considered, the first diaphragm 31 and the second diaphragm 32 which are symmetrically arranged are adopted to enhance the compensation capacity of the shaft coupling on axial displacement, and the corresponding rubber part 7 meets the displacement compensation capacity of the whole shaft coupling on the radial direction and the angle.

The right side and the left side of the intermediate shaft 100 adopt the same structure, a fourth bolt 93, a fourth nut 123 and a fourth washer 153 are adopted and are fastened and connected with the second diaphragm 32 on the right side by a fourth press ring 62, a fifth bolt 10, a fifth washer 162 and a fifth washer 172 are adopted on the outer ring of the second diaphragm 32 and are fastened on an oblique iron piece of the rubber piece 7 together with the second sleeve 18, and a group of elastic cylindrical pins 55 are designed by calculating the maximum torque transmitted by the oblique iron piece; one side of the flat iron piece of the rubber piece 7 is fastened and connected with the connecting flange 4 by a sixth bolt 13, a sixth gasket 19 and a sixth nut 14 through designing corresponding positioning rabbets, in order to protect the rubber piece 7 from being damaged by the surrounding environment in the operation of the unit, outer ring sleeves 25 fastened by bolts 26, nuts 14 and gaskets 19 are designed, and in order to enhance the torque transmission safety of the outer ring sleeves 25, an elastic cylindrical pin 27 is added to each outer ring sleeve 25; the hub 5 of the connecting flange 4 is fastened and connected with the seventh gasket 154 by using the screw 21, and the hub 5 is matched with a motor shaft.

Compared with the traditional high-elasticity coupler, the utility model has certain changes in the application field, the radial-axial-angle displacement compensation, the manufacturing cost, the transmission reliability and the safety, etc.

From the application field, the driving end and the driven end of the device can be externally connected with corresponding interfaces, specific metal part connection is carried out according to actual requirements, and the device is suitable for rotating machinery needing flexible connection, particularly suitable for medium and small torque transmission working conditions of a long shaft system, has good axial displacement compensation capacity, and has certain radial displacement and angular displacement compensation capacity.

From the manufacturing cost, the membrane seat has the advantage of higher extension cost compared with the traditional membrane seat by adopting a plurality of groups of sleeve structures to be positioned and fastened with the membrane assembly.

From the aspect of reliable security of transmission, synthesize and adopt diaphragm subassembly and rubber component for each part all can bear corresponding torsional vibration, the symmetry adopts the diaphragm subassembly structure, makes jackshaft both sides power stable, and it strikes destructiveness to twist reverse to reduce, makes it have comparatively reliable transmission reliability and security.

The above embodiments are based on the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the present invention is not limited to the above embodiments.

Claims

1. The utility model provides a be applied to many diaphragms long-axis elastic coupling under middle and small torque transmission environment which characterized in that: including jackshaft (100), a plurality of first drive pin (551) and a plurality of elasticity cylindric lock (552), the one end of jackshaft (100) is through first connection structure and axle sleeve (1) fixed connection, and the other end of jackshaft (100) passes through second connection structure and rubber spare (7) fixed connection, rubber spare (7) are through third connection structure and axle hub (5) fixed connection.

2. The multi-diaphragm long-shaft elastic coupling applied to the medium and small torque transmission environment as claimed in claim 1, wherein: the first connecting structure comprises a first diaphragm (31) and a sheet connecting flange (119) arranged between a shaft sleeve (1) and an intermediate shaft (100), the shaft sleeve (1) and the sheet connecting flange (119) are fixedly connected through a plurality of groups of first fastening components, each first fastening component comprises a first bolt (91), a first nut (121) and a first gasket (151), the first bolts (91) sequentially penetrate through the sheet connecting flange (119) and the shaft sleeve (1) and then are connected with the first nuts (121), the first gaskets (151) are sleeved on the first bolts (91), the first diaphragm (31) and the sheet connecting flange (119) are fixedly connected through a plurality of groups of second fastening components, each second fastening component comprises a second bolt (110), a second nut (128) and a first sleeve (115) arranged between the first diaphragm (31) and the sheet connecting flange (119), the second bolt (110) sequentially penetrates through the first diaphragm (31), the first sleeve (115) and the sheet-shaped connecting flange (119) and then is connected with the second nut (128), the intermediate shaft (100) and the first diaphragm (31) are fixedly connected through a plurality of groups of third fastening assemblies, each third fastening assembly comprises a third bolt (92), a third nut (122), a third press ring (61) and a third washer (152), the third bolt (92) sequentially penetrates through the first diaphragm (31) and the intermediate shaft (100) and then is connected with the third nut (122), the third washer (152) and the third press ring (61) are sleeved on the third bolt (92), the third washer (152) is arranged between the third nut (122) and the intermediate shaft (100), the third press ring (61) is arranged between nuts of the first diaphragm (31) and the third bolt (92), one end of the first transmission pin (551) is connected with the sheet-shaped connecting flange (119), the other end is connected with the first diaphragm (31).

3. The multi-diaphragm long-shaft elastic coupling applied to the medium and small torque transmission environment as claimed in claim 2, wherein: the second bolt (110) is sleeved with a second gasket (161), a second gasket (171) and an eighth gasket (120), the second gasket (161) and the second gasket (171) are arranged between nuts of the first diaphragm (31) and the second bolt (110), and the eighth gasket (120) is arranged between the sheet-shaped connecting flange (119) and the second nut (128).

4. The multi-diaphragm long-shaft elastic coupling applied to the medium and small torque transmission environment as claimed in claim 1, wherein: the second connecting structure comprises a second diaphragm (32), the second diaphragm (32) is fixedly connected with an intermediate shaft (100) through a plurality of groups of fourth fastening assemblies, each fourth fastening assembly comprises a fourth bolt (93), a fourth nut (123), a fourth pressing ring (62) and a fourth gasket (153), the fourth bolt (93) sequentially penetrates through the second diaphragm (32) and the intermediate shaft (100) and then is connected with the fourth nut (123), the fourth gasket (153) and the fourth pressing ring (62) are sleeved on the fourth bolt (93), the fourth gasket (153) is arranged between the fourth nut (123) and the intermediate shaft (100), the fourth pressing ring (62) is arranged between nuts of the second diaphragm (32) and the fourth bolt (93), the second diaphragm (32) is fixedly connected with a rubber part (7) through a plurality of groups of fifth fastening assemblies, and each fifth fastening assembly comprises a fifth bolt (10), Fifth gasket (162) and fifth packing ring (172), the screw rod of fifth bolt (10) is worn to establish on second diaphragm (32) and rubber spare (7), and fifth gasket (162) and fifth packing ring (172) are all established on the screw rod of fifth bolt (10), and fifth gasket (162) and fifth packing ring (172) all set up between the nut of second diaphragm (32) and fifth bolt (10), stretch into in rubber spare (7) after second diaphragm (32) is worn to establish to the one end of first elasticity cylindric lock (552), the cover is equipped with second sleeve (18) on first elasticity cylindric lock (552), and second sleeve (18) are located between rubber spare (7) and second diaphragm (32).

5. The multi-diaphragm long-shaft elastic coupling applied to the medium and small torque transmission environment as claimed in claim 1, wherein: the third connecting structure comprises a connecting flange (4), the connecting flange (4) is fixedly connected with the rubber part (7) through a plurality of groups of sixth fastening assemblies, each sixth fastening assembly comprises a sixth bolt (13), a sixth gasket (19) and a sixth nut (14), the sixth bolts (13) sequentially penetrate through the rubber part (7) and the connecting flange (4) and then are fixedly connected with the sixth nuts (14), the sixth gaskets (19) are sleeved on the sixth bolts (13), the connecting flange (4) is connected with a plurality of outer ring sleeves (25), each outer ring sleeve (25) is fixedly connected with the connecting flange (4) through one fastening bolt (26), each fastening bolt (26) sequentially penetrates through the outer ring sleeve (25) and the connecting flange (4) and then is connected with the fastening nut, each outer ring sleeve (25) is connected with a second elastic cylindrical pin (27), and the connecting flange (4) is fixedly connected with the axle hub (5) through a plurality of groups of seventh fastening assemblies, the seventh fastening assembly comprises a screw (21) and a seventh gasket (154), the screw (21) penetrates through the shaft hub (5) and then extends into the connecting flange (4), and the seventh gasket (154) is sleeved on the screw (21).