CN111644992B - Clamp for aviation equipment sample in hanging flight test - Google Patents
Clamp for aviation equipment sample in hanging flight test Download PDFInfo
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- CN111644992B CN111644992B CN202010327776.XA CN202010327776A CN111644992B CN 111644992 B CN111644992 B CN 111644992B CN 202010327776 A CN202010327776 A CN 202010327776A CN 111644992 B CN111644992 B CN 111644992B
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- main body
- upper cover
- fixedly connected
- clamp
- hanging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a clamp. The fixture comprises a portal frame, a main body and a connecting frame. The portal frame comprises an upper cover and two oppositely arranged supports. The two supports are respectively fixedly connected with different ends of the upper cover. The main part is located between two supports, is provided with in the main part and hangs, hangs the rings that are used for hanging the aviation equipment sample. One end of the connecting frame is fixedly connected with the upper cover, and the other end of the connecting frame is connected with the main body. Because the connecting frame is positioned between the upper cover and the main body, a space for installing the test equipment for the hanging flight test is provided. The upper cover and the support form a portal frame, and the aviation equipment sample can be hung on the main body, so that a test space is reserved below the main body. The process of assembling the hanging part, the main body, the connecting frame and the upper cover and the process of hanging the aviation equipment sample can be carried out outside the test chamber, the assembling space is large, the safety of the aviation equipment sample can be guaranteed, the assembly is very convenient and fast, and the time of entering the chamber of the aviation equipment sample is shortened.
Description
Technical Field
The invention relates to the technical field of aviation hanging and flying tests, in particular to a clamp for an aviation equipment sample in a hanging and flying test.
Background
With the progress of scientific technology and the change of international situation, the military combat concept and the combat mode are in a constantly changing period at present, and the aviation weaponry develops towards informatization, automation and intellectualization, so that the requirement on environmental adaptability is higher and higher. The aviation equipment hanging test integrating temperature, humidity and vibration environmental stress becomes an important test project during the setting and examination of the existing equipment. According to the implementation requirement of the aviation equipment hanging flight test, a quick clamping tool is designed at present.
The traditional mounting process of the hanging-flying test fixture is that a frame is built through a frame body welded by channel steel in a test cabin body, then the frames are connected with test equipment in the test cabin body, then steel plates or channel steel are used for connecting the frames with each other, and finally an aviation equipment sample is sent into the test cabin body and is connected with a hanger on the frame body. When the traditional hanging flight test fixture is used for installing a sample, the sample is installed in a test cabin body, and the aerial equipment sample is very inconvenient to install due to the narrow space in the test cabin body.
Disclosure of Invention
Therefore, the clamp for conveniently mounting the sample of the aviation equipment is needed to solve the problem that the sample of the aviation equipment is very inconvenient to mount by using the traditional hanging test clamp.
The embodiment of the application provides a anchor clamps that is arranged in hanging to fly experimental aviation to equip sample, includes:
the portal frame comprises an upper cover and two oppositely arranged supports, and the two supports are fixedly connected with different ends of the upper cover respectively;
the main body is positioned between the two supports, a hanger is arranged on the main body, and the hanger is used for hanging a hanging ring of the aviation equipment sample; and
and one end of the connecting frame is fixedly connected with the upper cover, and the other end of the connecting frame is connected with the main body.
According to the clamp, the connecting frame is positioned between the upper cover and the main body, so that a space for installing test equipment for a hanging flight test is provided. The upper cover and the support form a portal frame, and the aviation equipment sample can be hung on the main body, so that a test space is reserved below the main body. The process of assembling the hanging part, the main body, the connecting frame and the upper cover and the process of hanging the aviation equipment sample can be carried out outside the test chamber, the assembling space is large, the safety of the aviation equipment sample can be guaranteed, the assembly is very convenient and fast, and the time of entering the chamber of the aviation equipment sample is shortened.
In one embodiment, the fixture further comprises:
the reinforcing part is fixedly connected with the upper cover and is positioned on one side of the upper cover, which is back to the support; and
one end of the connecting part is fixedly connected with the reinforcing part, and the other end of the connecting part is fixedly connected with the main body.
In one embodiment, the reinforcing part is a channel steel.
In one embodiment, the number of the hangers is multiple.
In an embodiment, the clamp further comprises a limiting part, the limiting part is detachably and fixedly connected with the main body, and the limiting part is located on one side of the hanger and used for preventing the flying ring of the aviation equipment sample from falling off.
In one embodiment, two ends of the pressing part are fixedly connected with the main body in a threaded connection mode respectively.
In an embodiment, the clamp further comprises a pressing part, the pressing part is located between the limiting part and the hanger and used for enabling the hanging ring of the aviation equipment sample to be pressed on the main body, and the position of the pressing part along the direction perpendicular to the arrangement direction of the hanger is adjustable.
In one embodiment, the clamp further comprises a screw and a nut matched with the screw, and the compression part is fixedly connected with the main body through the screw and the nut;
the main body is provided with a through groove extending along the direction perpendicular to the hanging direction, the screw rod penetrates through the through groove and can adjust the position along the extending direction of the through groove, and the nut is positioned on one side of the main body, back to the pressing part.
In one embodiment, the connection frame is fixedly connected with the upper cover through a threaded connection mode, and the connection frame is connected with the main body through a threaded connection mode.
In one embodiment, the material adopted by the portal frame is 7075 # aviation aluminum.
In one embodiment, the main body is a channel steel, and the material adopted by the main body is carbon steel or low-alloy steel billet with carbon content not more than 0.25%.
In one embodiment, the connecting frame is formed by welding a plurality of channel steels, and the material adopted by the connecting frame is carbon steel or low-alloy steel billet with carbon content not more than 0.25%.
Drawings
FIG. 1 is a schematic structural diagram of a clamp according to an embodiment;
FIG. 2 is a schematic view of a gantry of the jig of FIG. 1;
FIG. 3 is a schematic view of the attachment frame of the clamp of FIG. 1;
FIG. 4 is a schematic structural view of the body of the clamp of FIG. 1;
fig. 5 is a top view of the body of fig. 4.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, the present embodiment provides a fixture 100 for an aviation equipment sample (not shown) in a hangoff test. The jig 100 includes: a gantry, a body 120, and a connection frame 130.
Referring to fig. 2, the gantry includes an upper cover 111 and two oppositely disposed supports 112. Two supports 112 are fixedly connected with different ends of the upper cover 111 respectively.
Specifically, the portal frame is made of 7075 # aviation aluminum material through integral casting, has good mechanical performance and strength, and not only guarantees the strength of the clamp 100, but also guarantees the vibration transmissibility of the clamp 100. Compared with steel materials adopted by a supporting frame in the prior art, the gantry frame is made of aviation aluminum materials, so that the weight of the clamp 100 is reduced, and the thrust requirement on vibration equipment in a hanging flight test is reduced.
The body 120 is located between the two supports 112. The main body 120 is provided with a hanger. Hanging a hanging ring (not shown) for hanging the sample of the aeronautical equipment.
Specifically, the avionics sample is configured with a bail. When hanging the aviation equipment sample, can push away the rings of aviation equipment sample to hanging department along main part 120, then hang rings on hanging, carry out the clamping fast, saved loaded down with trivial details alignment work of hanging.
In this embodiment, the material used for the main body 120 is a carbon steel or a low-alloy steel billet with a carbon content of not more than 0.25%, so that the strength and the vibration transmissibility of the clamp 100 can be ensured while the weight of the clamp 100 is reduced.
Referring to fig. 3, one end of the connection frame 130 is fixedly connected to the upper cover 111, and the other end is connected to the main body 120, so that the main body 120 is suspended from the upper cover 111, and thus the sample of the aviation equipment is suspended.
Specifically, one end of the connection frame 130 is fixedly connected to the upper cover 111 by means of a screw connection. The other end of the connection frame 130 is connected to the main body 120 by means of a screw connection. Since the connection frame 130 is located between the upper cover 111 and the main body 120, a space for installing a test device for a hang-off test is provided between the upper cover 111 and the main body 120, which facilitates installation of the test device. Meanwhile, as the aviation equipment sample can be hung on the main body 120, the test space is made under the main body 120, and the interference to the test cable in the test is reduced.
The connection frame 130 is formed by welding a plurality of channel steels. The connecting frame 130 is made of carbon steel or low-alloy steel billet with carbon content not more than 0.25%, so that the strength and vibration transmissibility of the clamp 100 can be ensured while the weight of the clamp 100 is reduced.
When the fixture 100 is used for installing an aviation equipment sample in a hang-off test, the support 112 is firstly connected with test equipment in a test cabin body, a hanger, a main body 120, a connecting frame 130 and an upper cover 111 are assembled into a whole outside the test cabin body, the aviation equipment sample is hung on the main body 120, the assembled whole and the aviation equipment sample hung on the main body 120 are lifted into the test cabin body, and finally the support 112 and the upper cover 111 are fixedly connected in the test cabin.
The above-described jig 100, since the connection frame 130 is located between the upper cover 111 and the main body 120, leaves a space for installing a test apparatus for a hang-off test. The upper cover 111 and the support 112 form a portal frame, and the sample of the aviation equipment can be hung on the main body 120, so that the test space is made available below the main body 120. The process of assembling the hanger, the main body 120, the connecting frame 130 and the upper cover 111 and the process of hanging the aviation equipment sample can be carried out outside the test chamber, the assembling space is large, the safety of the aviation equipment sample can be ensured, the assembly is very convenient and quick, and the time for the aviation equipment sample to enter the chamber is shortened.
Referring to fig. 1, in an embodiment, the fixture 100 further includes a reinforcing portion 140 and a connecting portion 150. The reinforcing part 140 is fixedly connected to the upper cover 111 and is located on a side of the upper cover 111 facing away from the support 112. The connecting portion 150 has one end fixedly connected to the reinforcing portion 140 and the other end fixedly connected to the body 120.
Specifically, the reinforcing part 140 is a channel steel. The connection part 150 is a connection rod. The reinforcing part 140 is connected with the main body 120 through the connecting part 150, so that the main body 120 is stable in the test process, and the safety and vibration transmission of the aviation equipment sample under a long time are ensured.
In one embodiment, the number of the reinforcing parts 140 is at least two, and the connecting parts 150 correspond to the reinforcing parts 140 one by one. At least two reinforcing parts 140 are connected with the main body 120 through the connecting part 150, and the coordination and consistency of the sample of the aviation equipment and the vibration are ensured.
In one embodiment, the number of the hanging members is plural, such as two, three, four, etc.
In this embodiment, hang the quantity for three, can hang three kinds of different aviation equipment samples respectively. Referring to fig. 4 and 5, the three hangers are a first hanger 161, a second hanger 162 and a third hanger 163. The hanger can be fixed with the main body 120 in a threaded connection mode, so that replacement and maintenance are convenient.
The material adopted by the hanger can be special chromium alloy (30CrMnSiA), and the heat-treated material has ultrahigh mechanical strength and performance, so that the strength of the clamp 100 is enhanced, and the safety of an aviation equipment sample in a test is ensured.
In one embodiment, the fixture 100 further includes a limiting portion. The limiting part is detachably and fixedly connected with the main body 120. The limiting part is positioned on one side of the hanger and used for preventing the flying ring of the aviation equipment sample from falling off. The limiting parts correspond to the hangers one by one.
In particular, the limiting portion may be a stopper. Referring to fig. 4 and 5, in the present embodiment, the number of the limiting portions is three, and the three limiting portions are the first limiting portion 171, the second limiting portion 172 and the third limiting portion 173. The three limiting parts are respectively in one-to-one correspondence with the three hangers. The first limiting portion 171 is adjacent to the first hanger 161 to prevent the hanging ring hung on the first hanger 161 from falling off. The second limiting portion 172 is adjacent to the second hanger 162 and prevents the hanging ring suspended on the second hanger 162 from falling off.
Each limiting part and the main body 120 can be fixedly connected in a threaded connection mode. Can hang the rings of aviation assembly sample on the hang earlier after, with spacing portion and main part 120 fixed connection again to can block that the rings of aviation equipment sample from hanging to drop.
The material that spacing portion adopted can be special chromium alloy (30CrMnSiA), has super high mechanical strength and performance after the heat treatment, and the position of aviation equipment sample is firm to can guarantee the accurate nature of test data.
Referring to fig. 4 and 5, in an embodiment, the clamp 100 further includes a pressing portion 180. The pressing part 180 is located between the limiting part and the hanger and used for enabling the hanging ring of the aviation equipment sample to be pressed on the main body 120. The position of the pressing part 180 along the direction perpendicular to the arrangement direction of the hangers is adjustable.
Specifically, the pressing part 180 may be a press block. Both ends of the pressing part 180 may be respectively connected with the body 120 by a screw connection. In the present embodiment, the pressing portion 180 is located between the third stopper 173 and the third hanger 163. After the hanging ring of the aviation equipment sample is hung on the third hanger 163, the hanging ring of the aviation equipment sample is pressed on the main body 120 through the pressing part 180, so that the hanging ring of the aviation equipment sample can be prevented from falling off from the third hanger 163.
In the present embodiment, the main body 120 is a channel steel. The three hangers are arranged along the length of the main body 120. Different aviation equipment samples's specification is different, and different aviation equipment samples's rings all need compress tightly portion 180 when hanging in the third and hang 163. The position of the pressing part 180 in the width direction of the main body 120 is adjustable, so that the pressing part 180 can be applied to lifting rings for different aeronautical equipment samples by adjusting the position of the pressing part 180 in the width direction of the main body 120.
Referring to fig. 4 and 5, in an embodiment, the clamp 100 further includes a screw 191 and a nut engaged with the screw 191. The pressing part 180 is fixedly connected to the body 120 by a screw 191 and a nut. The main body 120 is provided with a through groove (not shown) extending perpendicular to the arrangement direction of the hangers. The screw rod 191 passes through the through groove and is adjustable in position along the extending direction of the through groove, and the nut is positioned on the side of the main body 120, which faces away from the pressing part 180.
Specifically, in the present embodiment, the main body 120 is a channel steel, and the channel steel has a groove 101 extending along a length direction thereof. The through groove is formed in the bottom wall of the groove 101 of the body 120. The screw 191 passes through the pressing part 180 and protrudes to the outside of the body 120 through the through groove. The nut is located on a side of the body 120 facing away from the compression portion 180. The screw 191 is screwed by a nut, so that the pressing part 180 presses the hanging ring of the aviation equipment sample against the bottom wall of the groove 101 of the main body 120.
The position of the screw 191 can be adjusted by loosening the nut and moving the screw 191 in the extending direction of the through-groove. Since the screw 191 passes through the through groove to protrude to the outside of the body 120, and the nut is located at a side of the body 120 facing away from the pressing part 180, the screw 191 can be moved by moving the protruding part of the screw 191 protruding to the outside of the body 120, thereby facilitating adjustment of the position of the screw 191.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A anchor clamps that is arranged in hanging to fly experimental aviation equipment sample, its characterized in that includes:
the portal frame comprises an upper cover and two oppositely arranged supports, and the two supports are fixedly connected with different ends of the upper cover respectively;
the main body is positioned between the two supports, a hanger is arranged on the main body, and the hanger is used for hanging a hanging ring of the aviation equipment sample;
one end of the connecting frame is fixedly connected with the upper cover, and the other end of the connecting frame is connected with the main body;
the limiting part is detachably and fixedly connected with the main body, is positioned on one side of the hanger and is used for preventing the flying ring of the aviation equipment sample from falling off;
the pressing part is positioned between the limiting part and the hanger and used for enabling the flying ring of the aviation equipment sample to be pressed on the main body, and the position of the pressing part along the direction perpendicular to the arrangement direction of the hanger is adjustable;
the compression part is fixedly connected with the main body through the screw rod and the nut; the main body is provided with a through groove extending along the direction vertical to the arrangement direction of the hangers, the screw rod penetrates through the through groove and can adjust the position along the extending direction of the through groove, and the nut is positioned on one side of the main body, which is back to the compression part;
the reinforcing part is fixedly connected with the upper cover and is positioned on one side of the upper cover, which is back to the support; and
one end of the connecting part is fixedly connected with the reinforcing part, and the other end of the connecting part is fixedly connected with the main body.
2. The clip of claim 1, wherein the reinforcement is a channel.
3. The clamp of claim 1, wherein the connecting portion is a connecting rod.
4. The clamp of claim 1, wherein the number of the reinforcing portions is at least two, and the connecting portions correspond to the reinforcing portions one to one.
5. The clamp of claim 1, wherein the number of hangers is plural.
6. The clamp of claim 1, wherein the connection frame is fixedly connected to the upper cover by means of a threaded connection, and the connection frame is connected to the body by means of a threaded connection.
7. The jig of claim 1, wherein the gantry is made of 7075 gauge aircraft aluminum.
8. The clamp of claim 1, wherein the body is a channel steel and the material of the body is a carbon steel or a low-alloy steel billet having a carbon content of no more than 0.25%.
9. The clamp of claim 1, wherein the connecting frame is formed by welding a plurality of steel channels, and the connecting frame is made of carbon steel or low-alloy steel billet with carbon content not more than 0.25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327776.XA CN111644992B (en) | 2020-04-23 | 2020-04-23 | Clamp for aviation equipment sample in hanging flight test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327776.XA CN111644992B (en) | 2020-04-23 | 2020-04-23 | Clamp for aviation equipment sample in hanging flight test |
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| CN111644992A CN111644992A (en) | 2020-09-11 |
| CN111644992B true CN111644992B (en) | 2021-12-07 |
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| Publication number | Publication date |
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| CN111644992A (en) | 2020-09-11 |
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