CN212337942U - Damping device for coupler - Google Patents

Damping device for coupler Download PDF

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Publication number
CN212337942U
CN212337942U CN202020755352.9U CN202020755352U CN212337942U CN 212337942 U CN212337942 U CN 212337942U CN 202020755352 U CN202020755352 U CN 202020755352U CN 212337942 U CN212337942 U CN 212337942U
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CN
China
Prior art keywords
rubber strip
shaft
gyration piece
countersunk head
hole
Prior art date
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Active
Application number
CN202020755352.9U
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Chinese (zh)
Inventor
王智明
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Jiangsu Botu Electrical Engineering Co ltd
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Jiangsu Botu Electrical Engineering Co ltd
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Publication date
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Priority to CN202020755352.9U priority Critical patent/CN212337942U/en
Application granted granted Critical
Publication of CN212337942U publication Critical patent/CN212337942U/en
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Abstract

The utility model discloses a damping device for shaft coupling, including left semi-axis, right semi-axis, first gyration piece, second gyration piece, first rubber strip and second rubber strip, all be provided with fan-shaped boss on first gyration piece and the second gyration piece, and two mutual interlocks of boss form two bar grooves, set up first rubber strip and second rubber strip respectively at two bar inslots, left side semi-axis with six second countersunk head through-holes have been seted up on the right semi-axis flange face respectively, the second bolt is installed to second countersunk head through-hole, the second bolt passes in the screw blind hole of second countersunk head through-hole spiro union on first gyration piece and second gyration piece. The utility model discloses simple structure, practical convenient, through axial and the radial vibrations that instantaneous moment produced when setting up first rubber strip and second rubber strip and rubber pad buffering start, unscrew first bolt and second bolt renewal first rubber strip and second rubber strip and rubber pad, change process convenient and fast.

Description

Damping device for coupler
Technical Field
The utility model relates to a shaft coupling technical field specifically is a damping device for shaft coupling.
Background
The coupling is also called coupling. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes also to couple the shaft with other parts (e.g. gears, pulleys, etc.). Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way. The coupling can compensate the offset (including axial offset, radial offset, angular offset or comprehensive offset) between the two shafts due to inaccurate manufacture and installation, deformation or thermal expansion in work and the like; and shock mitigation and absorption.
But the shock attenuation effect of general shaft coupling design is not particularly ideal, can only play simple shockproof effect, when long-time work, thereby can lead to the shaft coupling to appear the condition of damaging because the shock attenuation effect of shaft coupling is not good, and current shaft coupling damages the back maintenance and changes damping device reutilization inconvenient, causes practical cost to rise, consequently urgently needs a damping device for the shaft coupling to solve these problems in the market.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the utility model provides a damping device for a coupling.
The embodiment of the application discloses: a damping device for a coupler comprises a left half shaft, a right half shaft, a first rotary block, a second rotary block, a first rubber strip and a second rubber strip, the first rotary block and the second rotary block are both provided with fan-shaped bosses which are mutually meshed to form two strip-shaped grooves, a first rubber strip and a second rubber strip are respectively arranged in the two strip-shaped grooves, the axes of the first rotary block and the second rotary block are both provided with a first countersunk through hole, a first bolt is arranged in the first countersunk head through hole, the first rotary block and the second rotary block are fixedly connected through the first bolt, six threaded blind holes are respectively arranged on the surfaces of the first rotary block and the second rotary block which are deviated from each other, six second countersunk through holes are respectively arranged on the flange surfaces of the left half shaft and the right half shaft, second bolts are arranged on the second countersunk through holes, and the second bolt passes through the second countersunk through hole and is screwed in the threaded blind holes on the first rotary block and the second rotary block.
Preferably, the diameter of the first bolt installed in the first countersunk through hole is smaller than that of the first countersunk through hole.
Preferably, rubber pads are arranged on the two boss planes.
Preferably, a driving shaft and a driven shaft are respectively connected in inner holes of the left half shaft and the right half shaft.
Preferably, six threaded blind holes formed in the surfaces of the first rotary block and the second rotary block, which face away from each other, are symmetrical around the axis, and six second countersunk head through holes formed in the flange surfaces of the left half shaft and the right half shaft are symmetrical around the axis.
The utility model has the advantages as follows: the utility model discloses simple structure, it is practical convenient, through axial and the radial vibrations that instantaneous moment produced when setting up first rubber strip and second rubber strip and rubber pad buffering start, when first rubber strip and second rubber strip and rubber pad damage, unscrew first bolt and second bolt renewal first rubber strip and second rubber strip and rubber pad, change process convenient and fast has reduced practical cost, through the second bolt with first gyration piece and second gyration piece respectively with left semi-axis and right semi-axis, connected mode is simple, easily operation.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic sectional view of the overall structure of the present invention;
FIG. 2 is a top view of the left axle shaft of the present invention;
FIG. 3 is a schematic view of the external structure of the left half shaft of the present invention;
fig. 4 is a plan view of the present invention.
Reference numerals of the above figures: 1-left half shaft, 2-first rotary block, 3-first rubber strip, 4-second rotary block, 5-right half shaft, 6-second countersunk through hole, 7-driven shaft, 8-first countersunk through hole, 9-second rubber strip, 10-driving shaft, 11-boss and 12-rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A damping device for a coupler comprises a left half shaft 1, a right half shaft 5, a first rotary block 2, a second rotary block 4, a first rubber strip 3 and a second rubber strip 9, wherein fan-shaped bosses 11 are arranged on the first rotary block 2 and the second rotary block 4, the two bosses 11 are mutually meshed to form two strip-shaped grooves, the first rubber strip 3 and the second rubber strip 9 are respectively arranged in the two strip-shaped grooves, the first rubber strip 3 and the second rubber strip 9 are arranged to play a role in motion buffering, so that vibration generated in the motion process is reduced, a first countersunk head through hole 8 is respectively arranged at the axle center of the first rotary block 2 and the second rotary block 4, a first bolt is arranged in the first countersunk head through hole 8, the first rotary block 2 is connected with the second rotary block 4 through the first bolt, six blind holes are respectively arranged on the surfaces of the first rotary block 2 and the second rotary block 4, which deviate from each other, six second countersunk head through holes 6 are respectively formed in the flange faces of the left half shaft 1 and the right half shaft 5, second bolts are installed on the second countersunk head through holes 6, and the second bolts penetrate through the second countersunk head through holes 6 and are screwed in threaded blind holes in the first rotary block 2 and the second rotary block 4.
Furthermore, a driving shaft 10 and a driven shaft 7 are respectively connected in inner holes of the left half shaft 1 and the right half shaft 5.
Further, the diameter of the first bolt installed in the first countersunk head through hole 8 is smaller than that of the first countersunk head through hole 8, certain concentricity displacement difference can be generated when the driving shaft 10 and the driven shaft 7 are installed, the diameter of the first bolt smaller than the diameter of the first countersunk head through hole 8 can compensate certain displacement difference, the device is convenient to connect and install, and vibration can be reduced.
Furthermore, rubber pads 12 are arranged on the planes of the two bosses 11, and the rubber pads 12 can buffer axial vibration between the first rotary block 2 and the second rotary block 4 to play a role in damping.
Furthermore, six threaded blind holes arranged on the surfaces of the first rotary block 2 and the second rotary block 4 which deviate from each other are symmetrical around the axis, six second countersunk head through holes 6 arranged on the flange surface of the left half shaft and the flange surface of the right half shaft 5 are symmetrical around the axis, the axis is symmetrical, so that the mass distribution of the device is uniform, and the bounce is reduced during high-speed rotation, so that the vibration is reduced.
The working principle is as follows: when driving shaft 10 started, pivoted driving shaft 10 drove left half axle 1 and first gyration piece 2 and rotates, and axial and radial vibrations that instantaneous moment produced when the first strip of rubber 3 and the second strip of rubber 9 and rubber pad 12 that set up between the first gyration piece 2 of mutual interlock and the second gyration piece 4 can cushion the start-up play absorbing effect, and the while is conducted the inertia of driving shaft to driven shaft 7, accomplishes the shock attenuation and stops.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (5)

1. The utility model provides a damping device for shaft coupling, includes left semi-axis, right semi-axis, first gyration piece, second gyration piece, first rubber strip and second rubber strip, its characterized in that: all be provided with fan-shaped boss on first gyration piece and the second gyration piece, and two mutual interlocks of boss form two bar grooves, set up first rubber strip and second rubber strip respectively at two bar inslots, first countersunk head through-hole has all been seted up to first gyration piece and second gyration piece axle center department, install first bolt in the first countersunk head through-hole, first gyration piece and second gyration piece link firmly through first bolt, six screw thread blind holes have been seted up respectively on the face that first gyration piece and second gyration piece deviate from each other, left side semi-axis with six second countersunk head through-holes have been seted up respectively on the right semi-axis flange face, the second bolt is installed to second countersunk head through-hole, the second bolt passes in the screw thread blind hole of second countersunk head through-hole spiro union on first gyration piece and second gyration piece.
2. A damper device for a coupling according to claim 1, wherein: the diameter of a first bolt installed in the first countersunk head through hole is smaller than that of the first countersunk head through hole.
3. A damper device for a coupling according to claim 1, wherein: rubber pads are arranged on the planes of the two bosses.
4. A damper device for a coupling according to claim 1, wherein: and the inner holes of the left half shaft and the right half shaft are respectively connected with a driving shaft and a driven shaft.
5. A damper device for a coupling according to claim 1, wherein: six threaded blind holes formed in the surfaces of the first rotary block and the second rotary block, which deviate from each other, are symmetrical around the axis, and six second countersunk head through holes formed in the flange surface of the left half shaft and the flange surface of the right half shaft are symmetrical around the axis.
CN202020755352.9U 2020-05-09 2020-05-09 Damping device for coupler Active CN212337942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020755352.9U CN212337942U (en) 2020-05-09 2020-05-09 Damping device for coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020755352.9U CN212337942U (en) 2020-05-09 2020-05-09 Damping device for coupler

Publications (1)

Publication Number Publication Date
CN212337942U true CN212337942U (en) 2021-01-12

Family

ID=74079662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020755352.9U Active CN212337942U (en) 2020-05-09 2020-05-09 Damping device for coupler

Country Status (1)

Country Link
CN (1) CN212337942U (en)

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