CN112697415B - Quick-release switching structure - Google Patents
Quick-release switching structure Download PDFInfo
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- CN112697415B CN112697415B CN202011527042.2A CN202011527042A CN112697415B CN 112697415 B CN112697415 B CN 112697415B CN 202011527042 A CN202011527042 A CN 202011527042A CN 112697415 B CN112697415 B CN 112697415B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The application belongs to switching structure dismouting field, concretely relates to quick-release switching structure, include: the adapter section is provided with an adapter cavity; one side wall of the switching cavity is provided with a switching groove and a switching hole; one end of the rotating shaft is provided with a switching block; the quick-release switching structure comprises: in the switching state, the switching block passes through the switching hole and extends into the switching cavity, deflects to be opposite to the switching groove, moves opposite to the switching groove and is clamped into the switching groove; in the separated state, the switching block moves back to back with the switching groove to be separated from the switching groove, the deflection is opposite to the switching hole, and the switching cavity can be separated from the switching hole.
Description
Technical Field
The application belongs to the switching structure dismouting field, concretely relates to quick-release switching structure.
Background
In the process of developing an aircraft engine, strength and service life tests of a plurality of components need to be carried out, and acceleration and deceleration of the components need to be carried out in a short time in the tests.
At present, when carrying out intensity, life-span test to aeroengine part, mainly be connected the part with the switching section of its size looks adaptation, the switching section passes through the ring flange and is connected with the pivot, as shown in figure 1 to this can rotate and drive the part and rotate, realizes realizing the acceleration and deceleration to the part in the short time. The technical scheme has the following defects:
1) The flange plate and the switching section are connected through bolts, so that the disassembly and assembly process is complicated, the efficiency is low, and the problem is particularly prominent especially under the condition of large size;
2) The flange plate is connected with the switching section through bolts, so that the surface of the switching section is easily damaged in the assembling and disassembling process;
3) And the friction force generated between the flange plate and the switching section and the shearing force of the bolt are utilized to transmit torque, so that large local stress exists and damage is easy to generate.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
It is an object of the present application to provide a quick release transition structure that overcomes or alleviates at least one of the known disadvantages of the prior art.
The technical scheme of the application is as follows:
a quick-release transition structure comprising:
the adapter section is provided with an adapter cavity; one side wall of the switching cavity is provided with a switching groove and a switching hole;
a rotating shaft, one end of which is provided with a switching block;
the quick-release switching structure comprises:
in the switching state, the switching block passes through the switching hole and extends into the switching cavity, deflects to be opposite to the switching groove, moves opposite to the switching groove and is clamped into the switching groove;
in the separated state, the switching block moves back to back with the switching groove to be separated from the switching groove, the deflection is opposite to the switching hole, and the switching cavity can be separated from the switching hole.
According to at least one embodiment of the present application, in the above-mentioned quick-release adapter structure, when the quick-release adapter structure is in the adapter state, the side wall of the adapter block is matched with the side wall inclined surface of the adapter groove.
According to at least one embodiment of the present application, in the quick release coupling structure, a side wall of the coupling groove is provided with a chamfer.
According to at least one embodiment of the present application, in the quick-release adapter structure, a side wall of the adapter cavity opposite to the adapter groove and the adapter hole has a deflection groove; the number of the deflection slots is twice of the number of the switching blocks;
the quick-release switching structure is as follows:
when in a switching state, the switching block moves oppositely to one deflection groove, one side wall of the switching block is contacted with the inclined surface of one side wall of the deflection groove, so that the switching block can deflect to be opposite to the switching groove, moves oppositely to the switching groove, is separated from the deflection groove and is clamped into the switching groove;
when the adapter is in a separated state, the adapter block moves back to back with the adapter groove and is separated from the adapter groove, and one side wall of the adapter block is in contact with the inclined surface of one side wall of the deflection groove, so that the adapter block can deflect to be opposite to the adapter hole and can be separated from the adapter cavity through the adapter hole.
According to at least one embodiment of the present application, in the above quick-release adapter structure, there are a plurality of adapter blocks and their corresponding adapter slots and adapter holes;
each transfer block is distributed along the circumferential direction of the rotating shaft;
the switching grooves and the switching holes are distributed among each other;
all the switching holes are communicated with each other;
the quick-release switching structure is as follows:
when in a switching state, each switching block penetrates through one switching hole and extends into the switching cavity, deflects to be opposite to one switching groove, moves opposite to the opposite switching groove and is clamped into the opposite switching groove;
when the adapter is in a separated state, each adapter block moves back to back with the corresponding adapter groove to be separated from the corresponding adapter groove, the deflection is opposite to one adapter hole, and the adapter cavity can be separated from the adapter hole through the opposite adapter hole.
According to at least one embodiment of the present application, the quick-release adapter structure further includes:
a nut;
the quick-release switching structure is as follows:
when in a switching state, the nut is screwed on the rotating shaft and is matched with the switching block to clamp the side wall of the switching cavity, which is provided with the switching groove and the switching hole;
when the nut is in a separated state, the nut is separated from the side wall of the switching cavity, which is provided with the switching groove and the switching hole.
Drawings
FIG. 1 is a schematic view of a prior art aircraft engine component in cooperation with an adapter section, a flange, and a shaft;
FIG. 2 is a schematic view of a quick release coupling structure provided in an embodiment of the present application in a coupling state;
FIG. 3 is a schematic partial structural view of a quick release adapter structure provided in an embodiment of the present application in a separated state;
FIG. 4 is a schematic view of the adaptor block cooperating with the adaptor slot and the deflector slot provided in the embodiments of the present application;
wherein:
1-a switching section; 2-a rotating shaft; 3-a transfer block; 4-a nut.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are used for explaining the present application and not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that devices or elements must have specific orientations, be constructed and operated in specific orientations, and that when the absolute position of an object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and the like as used in the description of the present application are to be construed broadly, e.g., the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 4.
A quick-release transition structure comprising:
the adapter section 1 can be in a disc shape and is provided with an adapter cavity; one side wall of the switching cavity is provided with a switching groove and a switching hole;
one end of the rotating shaft 2 is provided with a switching block 3;
the quick-release switching structure comprises:
in the switching state, the switching block 3 passes through the switching hole and extends into the switching cavity, deflects to be opposite to the switching groove, moves opposite to the switching groove and is clamped into the switching groove;
in the separated state, the switching block 3 moves back to back with the switching groove to be separated from the switching groove, the deflection is opposite to the switching hole, and the switching cavity can be separated from the switching hole.
For the quick-release adapter structure disclosed in the above embodiments, it can be understood by those skilled in the art that the adapter section 1 can be connected with an aircraft engine component, and used as an adapter structure for testing the strength and the service life of the aircraft engine component, and the operation can be performed according to the following steps:
the method comprises the following steps of jacking up the switching section 1, enabling the switching block 3 to penetrate through a switching hole and extend into a switching cavity, deflecting the switching block to be opposite to a switching groove, lowering the switching section 1, enabling the switching block 3 to move opposite to the switching groove and be clamped into the switching groove, enabling the quick-release switching structure to be in a switching state, clamping the switching block 3 in the switching groove by means of the weight of an aircraft engine component, driving the aircraft engine component to rotate by the rotation of a rotating shaft 2, and achieving acceleration and deceleration of the component in a short time;
with switching section 1 jack-up upwards, make switching piece 3 and switching groove motion dorsad, deviate from the switching groove, the deflection just right with the switching hole, is in the separation state, at this moment, transfers switching section 1, and switching piece 3 can deviate from the switching chamber through the switching hole, realizes the separation with switching section 1.
For the quick-release switching structure disclosed in the above embodiment, those skilled in the art can also understand that it can realize switching between the switching state and the separating state only by jacking, lowering and deflecting the switching section 1, and the operation is simple, and the dismounting efficiency is high.
In some optional embodiments, in the above quick release coupling structure, when the quick release coupling structure is in the coupling state, the side wall of the coupling block 3 is in inclined plane fit with the side wall of the coupling slot.
For the quick-release switching structure disclosed in the above embodiments, it can be understood by those skilled in the art that, when the quick-release switching structure is in a switching state, the side wall of the switching block 3 is matched with the side wall inclined surface of the switching groove, so that the switching block 3 and the side wall of the switching groove can be tightly attached to each other under the action of the gravity of the aircraft component, and a zero gap is formed between the switching block 3 and the side wall of the switching groove, so that the vibration and the abrasion can be reduced, and the sensitivity and the effectiveness of the torque transmission side can be ensured.
For the quick-release switching structure disclosed in the above embodiment, it can be further understood by those skilled in the art that when the quick-release switching structure is in a switching state, the side wall of the switching block 3 is matched with the side wall inclined plane of the switching slot, either by single-side inclined plane matching or double-side inclined plane matching, and the angle may be 5 °, so that the contact area between the switching block 3 and the side wall of the switching slot can be increased, the gravity of the aero-engine component can be effectively dispersed, and the quick-release switching structure has a large torque transmission capability.
In some optional embodiments, in the above quick-release adapter structure, a side wall of the adapter groove is provided with a chamfer so that the adapter block 3 can be smoothly clamped into the adapter groove, and an angle of the chamfer may be 45 °.
In some optional embodiments, in the above quick-release adapter structure, a side wall of the adapter cavity opposite to the adapter groove and the adapter hole has a deflection groove; the number of the deflection slots is twice of the number of the switching blocks 3;
the quick-release switching structure is as follows:
in the switching state, the switching block 3 moves opposite to one deflection groove, one side wall of the switching block is in contact with the inclined surface of one side wall of the deflection groove, so that the switching block can deflect to be opposite to the switching groove, moves opposite to the switching groove, is separated from the deflection groove and is clamped into the switching groove, and the specific process can be seen in fig. 4;
in the separated state, the switching block 3 moves back to the switching groove to be separated from the switching groove, one side wall of the switching block is in contact with the inclined surface of one side wall of the deflection groove, so that the switching block can deflect to be opposite to the switching hole, the switching block can be separated from the switching cavity through the switching hole, and the specific process is the reverse process of fig. 4.
As for the quick release adapter structure disclosed in the above embodiments, it can be understood by those skilled in the art that through the design of the deflection slot, the relative deflection between the adapter block 3 and the adapter section 1 can be automatically realized in the process of jacking up and lowering down the adapter section 1, so that the quick release adapter structure can be quickly switched between the adapter state and the release state.
In some alternative embodiments, in the above quick-release adapter structure, the side wall of the adapter block 3 contacting the inclined surface of the deflection slot may be 45 °, and the angle of the side wall of the deflection slot may be 50 °.
In some optional embodiments, in the above quick-release adapter structure, there are a plurality of adapter blocks 3 and their corresponding adapter slots and adapter holes;
each transfer block 3 is distributed along the circumferential direction of the rotating shaft;
the switching grooves and the switching holes are distributed among each other;
all the switching holes are communicated with each other;
the quick-release switching structure is as follows:
when in a switching state, each switching block 3 passes through one switching hole and extends into the switching cavity, deflects to be opposite to one switching groove, moves opposite to the opposite switching groove and is clamped into the opposite switching groove;
when the connecting device is in a separated state, each switching block 3 moves back to back with the corresponding switching groove to be separated from the corresponding switching groove, deflects to be opposite to one switching hole, and can be separated from the switching cavity through the opposite switching hole.
In some optional embodiments, in the above quick-release adapter structure, the number of the catching block 3, the adapter groove, and the adapter hole is 3, the number of the deflection grooves is 6, and the deflection grooves are equally divided along the circumferential direction, and during one-time upward jacking and lowering of the adapter section 1, the adapter block 3 and the adapter section 1 are deflected by 60 degrees in a single direction, so that the adapter block 3 is aligned with the adapter groove and the adapter Kong Jiaoti.
In some optional embodiments, the quick-release adapter structure further includes:
a nut 4;
the quick-release switching structure is as follows:
in a switching state, the nut 4 is screwed on the rotating shaft 2 and is matched with the switching block 3 to clamp the side wall of the switching cavity with the switching groove and the switching hole, so that the switching shaft 2 is tightly connected with the switching section 1, vibration and abrasion are prevented, and torque transmission is sensitive and effective;
in the separated state, the nut 4 is separated from the side wall of the switching cavity with the switching groove and the switching hole.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present invention in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present invention is not limited to those specific embodiments, and that equivalent changes or substitutions of the related technical features may be made by those skilled in the art without departing from the principle of the present invention, and those technical aspects after such changes or substitutions will fall within the scope of the present invention.
Claims (5)
1. A quick-release transfer structure, comprising:
the adapter section (1) is provided with an adapter cavity; one side wall of the switching cavity is provided with a switching groove and a switching hole;
one end of the rotating shaft (2) is provided with a switching block (3);
the quick-release switching structure comprises:
in the switching state, the switching block (3) penetrates through the switching hole, extends into the switching cavity, deflects to be opposite to the switching groove, moves opposite to the switching groove and is clamped into the switching groove;
in a separated state, the switching block (3) moves back to the switching groove to be separated from the switching groove, deflects to be opposite to the switching hole, and can be separated from the switching cavity through the switching hole;
a deflection groove is formed in one side wall of the transfer cavity, which is opposite to the transfer groove and the transfer hole; the number of the deflection grooves is twice of that of the transfer blocks (3);
the quick-release switching structure is characterized in that:
when in the switching state, the switching block (3) moves towards one deflection groove, and one side wall of the switching block is in contact with the inclined surface of one side wall of the deflection groove, so that the switching block can deflect to be opposite to the switching groove and moves towards the switching groove, is separated from the deflection groove and is clamped into the switching groove;
in the separation state, the switching block (3) moves back to back with the switching groove to be separated from the switching groove, one side wall of the switching block is in contact with the inclined surface of one side wall of the deflection groove, so that the switching block can deflect to be opposite to the switching hole, and the switching block can be separated from the switching cavity through the switching hole.
2. The quick release adapter structure according to claim 1,
when the quick-release switching structure is in the switching state, the side wall of the switching block (3) is matched with the side wall inclined plane of the switching groove.
3. The quick release adapter structure according to claim 1,
a chamfer is arranged on one side wall of the transfer groove.
4. The quick release adapter structure according to claim 1,
the number of the transfer blocks (3) and corresponding transfer grooves and transfer holes is multiple;
each transfer block (3) is distributed along the circumferential direction of the rotating shaft;
the switching grooves and the switching holes are distributed among each other;
all the transfer holes are communicated with each other;
the quick-release switching structure is characterized in that:
when in the switching state, each switching block (3) penetrates through one switching hole and extends into the switching cavity, deflects to be opposite to one switching groove, moves opposite to the opposite switching groove and is clamped into the opposite switching groove;
and in the separation state, each switching block (3) moves back to back with the corresponding switching groove to be separated from the corresponding switching groove, deflects to be opposite to one switching hole, and can be separated from the switching cavity through the opposite switching hole.
5. The quick release adapter structure according to claim 1,
further comprising:
a nut (4);
the quick-release switching structure is characterized in that:
when in the switching state, the nut (4) is screwed on the rotating shaft (2) and is matched with the switching block (3) to clamp the side wall of the switching cavity, which is provided with the switching groove and the switching hole;
and in the separation state, the nut (4) is separated from the side wall of the switching cavity, which is provided with the switching groove and the switching hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527042.2A CN112697415B (en) | 2020-12-22 | 2020-12-22 | Quick-release switching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527042.2A CN112697415B (en) | 2020-12-22 | 2020-12-22 | Quick-release switching structure |
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| Publication Number | Publication Date |
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| CN112697415A CN112697415A (en) | 2021-04-23 |
| CN112697415B true CN112697415B (en) | 2023-03-14 |
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| CN202011527042.2A Active CN112697415B (en) | 2020-12-22 | 2020-12-22 | Quick-release switching structure |
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| CN203051521U (en) * | 2012-12-27 | 2013-07-10 | 中国燃气涡轮研究院 | Reliable connecting structure of rotating disk shaft |
| CN204135729U (en) * | 2014-10-09 | 2015-02-04 | 宁波杭桥铜业有限公司 | For the installation component of mounting cutter on beveler |
| JP2015025495A (en) * | 2013-07-25 | 2015-02-05 | トヨタ自動車株式会社 | Clutch |
| CN204227916U (en) * | 2014-11-14 | 2015-03-25 | 宁波甬抚机械有限公司 | Heat-treatment furnace is fixed the fixture of agitation fan |
| CN111664168A (en) * | 2020-06-05 | 2020-09-15 | 中国航发沈阳发动机研究所 | Pin shaft locking structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204301986U (en) * | 2014-12-15 | 2015-04-29 | 中国燃气涡轮研究院 | A kind of wheel disc trial position syndeton |
| CN205278133U (en) * | 2015-12-14 | 2016-06-01 | 中国燃气涡轮研究院 | Rotary disk is experimental with preceding journal coupling structure |
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2020
- 2020-12-22 CN CN202011527042.2A patent/CN112697415B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203051521U (en) * | 2012-12-27 | 2013-07-10 | 中国燃气涡轮研究院 | Reliable connecting structure of rotating disk shaft |
| JP2015025495A (en) * | 2013-07-25 | 2015-02-05 | トヨタ自動車株式会社 | Clutch |
| CN204135729U (en) * | 2014-10-09 | 2015-02-04 | 宁波杭桥铜业有限公司 | For the installation component of mounting cutter on beveler |
| CN204227916U (en) * | 2014-11-14 | 2015-03-25 | 宁波甬抚机械有限公司 | Heat-treatment furnace is fixed the fixture of agitation fan |
| CN111664168A (en) * | 2020-06-05 | 2020-09-15 | 中国航发沈阳发动机研究所 | Pin shaft locking structure |
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| CN112697415A (en) | 2021-04-23 |
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