CN115773351A - High-speed shafting auxiliary supporting structure - Google Patents

High-speed shafting auxiliary supporting structure Download PDF

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Publication number
CN115773351A
CN115773351A CN202211429125.7A CN202211429125A CN115773351A CN 115773351 A CN115773351 A CN 115773351A CN 202211429125 A CN202211429125 A CN 202211429125A CN 115773351 A CN115773351 A CN 115773351A
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CN
China
Prior art keywords
support ring
speed
structure according
shafting
support structure
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CN202211429125.7A
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Chinese (zh)
Inventor
王奂钧
盛贵宾
赵勇
夏博
杨建美
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703th Research Institute of CSIC
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703th Research Institute of CSIC
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Application filed by 703th Research Institute of CSIC filed Critical 703th Research Institute of CSIC
Priority to CN202211429125.7A priority Critical patent/CN115773351A/en
Publication of CN115773351A publication Critical patent/CN115773351A/en
Pending legal-status Critical Current

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Abstract

A high-speed shafting auxiliary supporting structure relates to the field of mechanical transmission systems. The end part of the existing high-speed transmission shaft system is supported only by the supporting box body, and the supporting rigidity of the supporting box body is poor, and a large gap exists at the supporting position, so that the high-speed transmission shaft generates vibration when rotating at high speed. The base top is equipped with the support ring, the support ring has a plurality of blind holes along the even processing of circumference surface, and the inside bottom central authorities department of blind hole is equipped with the through-hole, the inside of every blind hole is equipped with adapter joint and application of force round pin by last under to in proper order on the support ring, the cross-section that the adapter joint is the U type, the closed end face middle part that the adapter joint connects is equipped with the screw hole, after the screw hole and the damping spring of adapter joint top surface are passed in proper order to the bottom of puller bolt, with the last surface contact of application of force round pin, be equipped with lock nut on the puller bolt. The invention is suitable for the field of mechanical transmission support.

Description

High-speed shafting auxiliary supporting structure
Technical Field
The invention relates to the field of mechanical transmission systems, in particular to an auxiliary supporting structure of a high-speed shafting.
Background
At present, a high-speed transmission shaft system is designed as one of key technologies in the field of high-speed transmission, and is widely applied to the fields of aviation, navigation, metallurgy, fluid transportation, petroleum production and other multiple transmissions. Certain high-speed shafting designs put high requirements on the weight of the shafting and the support box body, so that the integral box body capable of improving the critical rotating speed of the shafting and low vibration response can not meet the application requirements under certain conditions.
In summary, the end of the existing high-speed transmission shaft system is supported only by the supporting box body, and the high-speed transmission shaft generates vibration when rotating at high speed due to the poor rigidity of the supporting box body and the large gap in the supporting position.
Disclosure of Invention
The invention provides an auxiliary supporting structure of a high-speed shafting, aiming at solving the problem that the end part of the existing high-speed transmission shafting is supported only by a supporting box body, and the high-speed transmission shaft vibrates during high-speed rotation due to poor rigidity of the supporting box body and a large gap at the supporting position.
The invention relates to a high-speed shafting auxiliary supporting structure, which comprises a supporting ring 1, a base 2, a puller bolt 3, a locking nut 4, a damping spring 5, an adapter joint 6 and a force application pin 7;
the top end of the base 2 is provided with a support ring 1, n threaded blind holes are uniformly machined in the support ring 1 along the circumferential outer surface, n is a positive integer, a through hole is formed in the center of the bottom end in each threaded blind hole, a switching joint 6 and a force application pin 7 are sequentially arranged in the support ring 1 from top to bottom, the section of the switching joint 6 is U-shaped, a threaded hole is formed in the middle of the closed end face of the switching joint 6, the bottom end of a puller bolt 3 sequentially penetrates through a threaded hole in the top face of the switching joint 6 and a damping spring 5 and then contacts with the upper surface of the force application pin 7, and a locking nut 4 is arranged on the puller bolt 3;
furthermore, the section of the force application pin 7 is T-shaped;
furthermore, the bottom end of the force application pin 7 penetrates through a through hole at the bottom end in the blind hole in the support ring 1;
furthermore, the inner wall of each blind hole on the support ring 1 is processed with a circular step;
furthermore, a gap is formed between the lower surface of the adapter joint 6 and the upper surface of the annular step of the blind hole in the support ring 1;
further, the outer surface of the adapter joint 6 is provided with threads;
furthermore, the outer surface of the adapter joint 6 is in threaded connection with a blind hole on the support ring 1;
further, the damping spring 5 is arranged inside the adapter connector 6;
furthermore, the number n of the blind holes on the support ring 1 is more than or equal to 5 and less than or equal to 10;
furthermore, a pair of rib plates are arranged on two sides of the upper surface of the base 2;
further, when the device is used, the high-speed shafting structure is arranged in the support box body 8, the shafting overlapping end of the support box body 8 is inserted into the support ring 1 of the device, the compression amount of the damping spring 5 can be adjusted by adjusting the plurality of adapter connectors 6 on the support ring 1, the puller bolt 4 is adjusted, the support rigidity is adjusted, the bottom of the force application pin 7 can be in contact with the outer surface of the shafting overlapping end of the support box body 8, the equivalent support rigidity and damping effects are provided, and the base 2 is fixed on a rack through bolts; by adopting the supporting device with the structure, the elastic force of the damping spring 5 is adjusted by utilizing the plurality of puller bolts 3 on the supporting ring 1, and the bottom of the force application pin 7 applies pressure on the outer surface of the shafting overlapping end of the supporting box body 8, so that certain buffering force is provided, vibration of a high-speed transmission shaft can be avoided when the high-speed transmission shaft rotates at a high speed, and the supporting box body 8 is supported highly.
Compared with the prior art, the invention has the following beneficial effects:
the invention overcomes the defects of the prior art, can adjust the compression amount of the damping spring, adjust the puller bolt and adjust the supporting rigidity by adjusting the plurality of adapter connectors on the supporting ring, further can make the bottom of the force application pin contact with the outer surface of the shafting overlapping end of the supporting box body, increases the supporting rigidity of the structure, plays a role in buffering, and fixes the base on the frame through the bolt; the supporting device adopting the structure utilizes the plurality of adapter connectors and the tightening bolts on the supporting ring to adjust the elasticity and the supporting rigidity of the damping spring, and the bottom of the force application pin applies pressure to the outer surface of the shafting overlapping end of the supporting box body, so that certain buffering force and supporting force are provided, and the vibration of the high-speed transmission shaft can be avoided when the high-speed transmission shaft rotates at high speed.
Drawings
FIG. 1 is a front view of a high speed shafting auxiliary support structure according to the present invention;
FIG. 2 is a partial enlarged view of an adjusting structure in the auxiliary supporting structure of the high-speed shafting according to the present invention;
fig. 3 is a front view of the high-speed shafting auxiliary support structure in a use state.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 and fig. 2, and the high-speed shafting auxiliary support structure in the embodiment comprises a support ring 1, a base 2, a jacking bolt 3, a locking nut 4, a damping spring 5, an adapter joint 6 and a force application pin 7;
the top end of the base 2 is provided with a support ring 1, n threaded blind holes are uniformly machined in the support ring 1 along the circumferential outer surface, n is a positive integer, a through hole is formed in the center of the bottom end in each threaded blind hole, a switching joint 6 and a force application pin 7 are sequentially arranged in the support ring 1 from top to bottom, the section of the switching joint 6 is U-shaped, a threaded hole is formed in the middle of the closed end face of the switching joint 6, the bottom end of a puller bolt 3 sequentially penetrates through a threaded hole in the top face of the switching joint 6 and a damping spring 5 and then contacts with the upper surface of the force application pin 7, and a locking nut 4 is arranged on the puller bolt 3;
in the specific embodiment, when the device is used, the high-speed shafting structure is arranged in the support box body 8, the shafting overlapping end of the support box body 8 is inserted into the support ring 1 of the device, the compression amount of the damping spring 5 can be adjusted by adjusting the plurality of adapter connectors 6 on the support ring 1, the puller bolt 4 is adjusted, the support rigidity is adjusted, the bottom of the force application pin 7 can be in contact with the outer surface of the shafting overlapping end of the support box body 8, the equivalent support rigidity and damping effect are provided, and the base 2 is fixed on a rack through bolts; by adopting the supporting device with the structure, the elastic force of the damping spring 5 is adjusted by utilizing the plurality of tightening bolts 3 on the supporting ring 1, and the bottom of the force application pin 7 applies pressure on the outer surface of the shafting overlapping end of the supporting box body 8, so that certain buffering force is provided, vibration of the high-speed transmission shaft can be avoided when the high-speed transmission shaft rotates at high speed, and the supporting box body 8 is supported highly.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 and 2, and is a further limitation to the support structure according to the first embodiment, and the high-speed shafting auxiliary support structure according to the present embodiment is configured such that the cross section of the urging pin 7 is T-shaped.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 and fig. 2, and the present embodiment further defines the support structure according to the second embodiment, and in the high-speed shafting auxiliary support structure according to the present embodiment, the bottom end of the forcing pin 7 passes through the through hole at the bottom end inside the blind hole of the support ring 1.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 and fig. 2, and the present embodiment further defines the support structure according to the third embodiment, and in the high-speed shafting auxiliary support structure according to the present embodiment, a circular step is processed on the inner wall of each blind hole on the support ring 1.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 and fig. 2, and is a further limitation to the support structure according to the first or fourth embodiment, and in the high-speed shafting auxiliary support structure according to the present embodiment, a gap is provided between the lower surface of the adapter joint 6 and the upper surface of the annular step of the blind hole in the support ring 1.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 and 2, and is a further limitation of the support structure according to the first embodiment, and in the high-speed shafting auxiliary support structure according to the present embodiment, the outer surface of the adapter joint 6 is threaded.
The seventh concrete implementation mode: the present embodiment is described with reference to fig. 1 and fig. 2, and is a further limitation to the support structure according to the sixth embodiment, in the high-speed shafting auxiliary support structure according to the present embodiment, the outer surface of the adapter joint 6 is screwed with the blind hole on the support ring 1.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 1 and 2, and is a further limitation of the support structure according to the first embodiment, and the damping spring 5 is disposed inside the adapter 6 in the high-speed shafting auxiliary support structure according to the present embodiment.
The specific implementation method nine: the embodiment is described with reference to fig. 1 and fig. 2, and the embodiment further defines the support structure according to the first embodiment, in the high-speed shafting auxiliary support structure according to the embodiment, the number n of the blind holes on the support ring 1 is greater than or equal to 5 and less than or equal to 10.
The detailed implementation mode is ten: the present embodiment is described with reference to fig. 1 and fig. 2, and the present embodiment further defines the support structure according to the first embodiment, in the high-speed shafting auxiliary support structure according to the present embodiment, a pair of rib plates is disposed on two sides of the upper surface of the base 2;
in the embodiment, the two sides of the upper surface of the base 2 are provided with the pair of rib plates, so that the stability of the device in use is improved.
Principle of operation
When the device is used, the high-speed shafting structure is arranged in the support box body 8, the shafting overlapping end of the support box body 8 is inserted into the support ring 1 of the device, the compression amount of the damping spring 5 can be adjusted by adjusting the plurality of adapter joints 6 on the support ring 1, the puller bolt 4 is adjusted, the support rigidity is adjusted, the bottom of the force application pin 7 can be contacted with the outer surface of the shafting overlapping end of the support box body 8, the effect of equivalent support rigidity and damping is provided, and the base 2 is fixed on a rack through bolts; by adopting the supporting device with the structure, the elastic force of the damping spring 5 is adjusted by utilizing the plurality of puller bolts 3 on the supporting ring 1, and the bottom of the force application pin 7 applies pressure on the outer surface of the shafting overlapping end of the supporting box body 8, so that certain buffering force is provided, vibration of a high-speed transmission shaft can be avoided when the high-speed transmission shaft rotates at a high speed, and the supporting box body 8 is supported highly.

Claims (10)

1. The utility model provides a high-speed shafting auxiliary stay structure which characterized in that: the device comprises a support ring (1), a base (2), a puller bolt (3), a locking nut (4), a damping spring (5), a switching joint (6) and a force application pin (7);
base (2) top is equipped with support ring (1), support ring (1) has a plurality of screw thread blind holes of n along the even processing of circumference surface, n is the positive integer, and the inside bottom central authorities department of screw thread blind hole is equipped with the through-hole, the inside of every screw thread blind hole is equipped with adapter coupling (6) and application of force round pin (7) by last under to in proper order on support ring (1), the cross-section of adapter coupling (6) is the U type, the closed end face middle part of adapter coupling (6) is equipped with the screw hole, the bottom of puller bolt (3) is passed behind screw hole and damping spring (5) of adapter coupling (6) top surface in proper order, with the last surface contact of application of force round pin (7), be equipped with lock nut (4) on puller bolt (3).
2. The high-speed shafting auxiliary support structure according to claim 1, wherein: the section of the force application pin (7) is T-shaped.
3. The auxiliary support structure for the high-speed shafting as claimed in claim 2, wherein: the bottom end of the force application pin (7) penetrates through a through hole at the bottom end in the blind hole in the support ring (1).
4. The high-speed shafting auxiliary support structure according to claim 3, wherein: and the inner wall of each blind hole on the support ring (1) is processed with a circular step.
5. The high-speed shafting auxiliary support structure according to claim 1 or 4, wherein: a gap is arranged between the lower surface of the adapter joint (6) and the upper surface of the circular step of the blind hole in the support ring (1).
6. The high-speed shafting auxiliary support structure according to claim 1, wherein: the outer surface of the adapter joint (6) is provided with threads.
7. The high-speed shafting auxiliary support structure according to claim 6, wherein: the outer surface of the adapter joint (6) is in threaded connection with the blind hole on the support ring (1).
8. The high-speed shafting auxiliary support structure according to claim 1, wherein: the damping spring (5) is arranged inside the adapter connector (6).
9. The high-speed shafting auxiliary support structure according to claim 1, wherein: the number n of the blind holes on the support ring (1) is not less than 5 and not more than 10.
10. The high-speed shafting auxiliary support structure according to claim 1, wherein: and a pair of rib plates are arranged on two sides of the upper surface of the base (2).
CN202211429125.7A 2022-11-15 2022-11-15 High-speed shafting auxiliary supporting structure Pending CN115773351A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211429125.7A CN115773351A (en) 2022-11-15 2022-11-15 High-speed shafting auxiliary supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211429125.7A CN115773351A (en) 2022-11-15 2022-11-15 High-speed shafting auxiliary supporting structure

Publications (1)

Publication Number Publication Date
CN115773351A true CN115773351A (en) 2023-03-10

Family

ID=85389179

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211429125.7A Pending CN115773351A (en) 2022-11-15 2022-11-15 High-speed shafting auxiliary supporting structure

Country Status (1)

Country Link
CN (1) CN115773351A (en)

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