CN113959667A - Compressed air gun barrel height adjusting mechanism - Google Patents
Compressed air gun barrel height adjusting mechanism Download PDFInfo
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- CN113959667A CN113959667A CN202111187936.6A CN202111187936A CN113959667A CN 113959667 A CN113959667 A CN 113959667A CN 202111187936 A CN202111187936 A CN 202111187936A CN 113959667 A CN113959667 A CN 113959667A
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- 210000001503 joint Anatomy 0.000 claims description 4
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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Abstract
The application belongs to the technical field of aeroengine foreign object impact test, concretely relates to compressed air gun barrel height adjusting mechanism includes: a support; the supporting beams are connected to the support and are distributed in a vertical direction; one side of each supporting plate is correspondingly connected to the bottom of one supporting beam; the multiple groups of base plates are correspondingly positioned above one supporting beam and distributed along the axial direction of the corresponding supporting beam; the first supporting cylinders are correspondingly arranged between one base plate and one supporting plate and distributed on two sides of the corresponding supporting beam; one end of each second supporting cylinder is correspondingly in threaded fit connection with one end of one first supporting cylinder; and each bolt fastener is used for correspondingly fastening one first supporting cylinder and one second supporting cylinder between the corresponding base plate and the corresponding supporting plate and penetrates through the corresponding first supporting cylinder and the corresponding second supporting cylinder.
Description
Technical Field
The application belongs to the technical field of aero-engine foreign object impact tests, and particularly relates to a compressed air gun barrel height adjusting mechanism.
Background
In order to verify the bird impact resistance and hail impact resistance of the aeroengine, an aeroengine foreign object impact test is designed, in the aeroengine foreign object impact test, a bird body or hail is loaded into a cartridge case, and accelerated launching is carried out by a compressed air cannon, so that the cartridge case loaded with the bird body or the hail impacts a separator, the bird body or the hail in the cartridge case flies out by means of inertia and is separated from the cartridge case to impact the aeroengine, and the bird impact resistance or the hail impact resistance of the aeroengine is verified.
When an aircraft engine foreign object impact test is carried out, the height of each compressed air cannon barrel needs to be adjusted according to the reality, so that the shot bird body or hail can accurately impact the target position on the aircraft engine.
At present, in the aircraft engine foreign object impact test, each compressed air cannon is divided into the multiunit to many supporting beams along vertical direction range correspond the barrel that supports each group compressed air cannon, to the height of compressed air cannon barrel, mainly adjust with following two kinds of modes:
1) cushion blocks with different thicknesses are additionally arranged between the gun barrel of the compressed air gun and the corresponding supporting beam, the height of the gun barrel of the compressed air gun is adjusted in the mode, the continuous adjustment of the height of the gun barrel of the compressed air gun cannot be realized, and the adjustment precision is low;
2) the mechanism capable of continuously adjusting the height of the compressed air cannon barrel is arranged between the cannon barrel of the compressed air cannon and the corresponding supporting beam, the height of the compressed air cannon barrel is adjusted in the mode, the height of the compressed air cannon barrel can be continuously adjusted, the adjusting precision is high, most of the mechanisms capable of continuously adjusting the height of the compressed air cannon barrel are located above the supporting beams, the space between two adjacent supporting beams in the vertical direction is occupied in an extruding mode, and in order to guarantee the range of continuously adjusting the height of the compressed air cannon barrel, a large distance needs to be arranged between the two adjacent supporting beams in the vertical direction, so that the interval of each group of compressed air cannons in the height direction is large, and the requirement of the compressed air cannon on the density in the vertical direction in a test cannot be met under certain conditions.
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 application.
Disclosure of Invention
It is an object of the present application to provide a compressed air barrel height adjustment mechanism to overcome or mitigate at least one of the technical disadvantages of the known prior art.
The technical scheme of the application is as follows:
a compressed air barrel height adjustment mechanism comprising:
a support;
the supporting beams are connected to the support and are distributed in a vertical direction;
one side of each supporting plate is correspondingly connected to the bottom of one supporting beam;
the multiple groups of base plates are correspondingly positioned above one supporting beam and distributed along the axial direction of the corresponding supporting beam;
the first supporting cylinders are correspondingly arranged between one base plate and one supporting plate and distributed on two sides of the corresponding supporting beam;
one end of each second supporting cylinder is correspondingly in threaded fit connection with one end of one first supporting cylinder;
and each bolt fastener is used for correspondingly fastening one first supporting cylinder and one second supporting cylinder between the corresponding base plate and the corresponding supporting plate and penetrates through the corresponding first supporting cylinder and the corresponding second supporting cylinder.
According to at least one embodiment of the application, in the compressed air gun barrel height adjusting mechanism, each supporting plate is provided with two sliding grooves which are distributed on two sides of the corresponding supporting beam;
each bolt fastener penetrates through the corresponding sliding groove on the corresponding supporting plate.
According to at least one embodiment of the present application, in the above-described compressed air gun barrel height adjusting mechanism, an outer wall of each of the first support barrels and/or the corresponding second support barrel has an annular projection;
each annular bulge is provided with a plurality of bayonets distributed along the circumferential direction;
compressed air gun barrel height-adjusting mechanism still includes:
one end of the wrench is bent and can be abutted against the outer side of the annular protrusion, and a clamping block is arranged on the inner side of the end and can be clamped into the bayonet.
According to at least one embodiment of the present application, the compressed air gun barrel height adjusting mechanism further includes:
a plurality of groups of first heightening cylinders;
one end of each second heightening cylinder is correspondingly in threaded fit connection with one end of one first heightening cylinder;
a plurality of heightening plates, each of which corresponds to one group of the first heightening cylinders;
each heightening bolt fastener correspondingly fastens a first heightening barrel and a second heightening barrel between the corresponding heightening plate and a corresponding backing plate and penetrates through the corresponding heightening barrels and the corresponding backing plates.
According to at least one embodiment of the present application, in the above-described compressed air gun barrel height adjusting mechanism, an outer wall of each of the first heightening barrels and/or the corresponding second heightening barrel has an annular projection;
each annular protrusion is provided with a plurality of bayonets distributed along the circumferential direction, and clamping blocks on the wrench can be clamped in.
According to at least one embodiment of the present application, the compressed air gun barrel height adjusting mechanism further includes:
and each clamping ring is correspondingly connected to one backing plate.
According to at least one embodiment of the present application, in the above-described compressed air gun barrel height adjusting mechanism, each of the snap rings is formed by detachably abutting two halves, wherein one half is connected to the corresponding backing plate.
According to at least one embodiment of the present application, in the above-described compressed air barrel height adjusting mechanism, the butt joint portion between the two halves of each snap ring is connected by a bolt.
According to at least one embodiment of the present application, the compressed air gun barrel height adjusting mechanism further includes:
and each pair of positioning blocks is relatively connected to the support and correspondingly supported at two ends of one supporting beam.
According to at least one embodiment of the present application, in the above-described compressed air gun barrel height adjusting mechanism, one side of each of the positioning blocks has a protruding portion connecting portion;
each pair of positioning blocks has:
the high-position supporting state is realized, wherein the protruding part on the positioning block is downwards connected and is connected on the bracket through a bolt, so that the corresponding supporting beam is positioned at a higher position;
and in a low-position supporting state, the protruding part on the positioning block is upwards connected and is connected on the bracket through a bolt, so that the corresponding supporting beam is positioned at a lower position.
Drawings
FIG. 1 is a schematic diagram of a portion of a compressed air gun barrel height adjustment mechanism provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a first support cylinder cooperating with a second support cylinder provided in an embodiment of the present application;
FIG. 3 is a schematic view of a wrench provided by an embodiment of the present application;
FIG. 4 is a schematic view of a first elevated cylinder cooperating with a second elevated cylinder provided by an embodiment of the present application;
fig. 5 is a schematic view of a positioning block in a high-position dragging state and a low-position dragging state according to an embodiment of the present disclosure;
wherein:
1-a scaffold; 2-a support beam; 3-a support plate; 4-a backing plate; 5-a first support cylinder; 6-a second support cylinder; 7-bolt fasteners; 8-a wrench; 9-a first heightening cylinder; 10-a second heightening cylinder; 11-heightening plate; 12-heightening bolt fasteners; 13-a snap ring; 14-positioning block.
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 further clearly and completely described in the following detailed description 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 only used for explaining the present application, but 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 the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the 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 word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; 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 5.
A compressed air barrel height adjustment mechanism comprising:
a bracket 1;
a plurality of support beams 2 connected to the support 1 and arranged and distributed in the vertical direction;
a plurality of supporting plates 3, wherein one side of each supporting plate 3 is correspondingly connected to the bottom of one supporting beam 2;
a plurality of groups of backing plates 4, wherein each group of backing plates 4 is correspondingly positioned above one supporting beam 2 and distributed along the axial direction of the corresponding supporting beam 2;
a plurality of groups of first supporting cylinders 5, wherein each group of first supporting cylinders 5 is correspondingly positioned between one backing plate 4 and one supporting plate 3 and distributed at two sides of the corresponding supporting beam 2;
one end of each second supporting cylinder 6 is correspondingly in threaded fit connection with one end of one first supporting cylinder 5;
and a plurality of bolt fasteners 7, wherein each bolt fastener 7 is used for fastening one first supporting cylinder 5 and one second supporting cylinder 6 between the corresponding backing plate 4 and the corresponding supporting plate 3 and penetrates through the corresponding first supporting cylinder 5 and the corresponding second supporting cylinder 6.
For the compressed air gun barrel height adjusting mechanism disclosed in the above embodiment, those skilled in the art can understand that, in an aircraft engine foreign object impact test, each base plate 4 can be padded under the gun barrel of a corresponding air gun, when the height of the gun barrel of the air gun needs to be adjusted, the corresponding bolt fastener 7 is unscrewed, the adjustment of the height of the gun barrel of the air gun is realized by the relative rotation between the corresponding first support cylinder 5 and the corresponding second support cylinder 6, and after the height adjustment of the gun barrel of the air gun is completed, the corresponding bolt fastener 7 is screwed, and the height of the gun barrel of the air gun is fixed.
For the compressed air gun barrel height adjusting mechanism disclosed in the above embodiment, it can be understood by those skilled in the art that the mechanism can realize continuous adjustment of the height of the air gun barrel through relative rotation between the first support cylinder 5 and the second support cylinder 6, and has high adjustment precision, in addition, each group of the first support cylinders 5 and the corresponding second support cylinders 6 are distributed on two sides of the corresponding support beam 2, so that the first support cylinders do not occupy the space between the corresponding support beam 2 and the upper support beam excessively in the vertical direction, and a relatively small distance can be set between two adjacent support beams in the vertical direction, thereby ensuring the density requirement of the compressed air gun in the vertical direction in the test.
In some alternative embodiments, in the above-mentioned compressed air gun barrel height adjusting mechanism, each support plate 3 has two sliding grooves distributed on two sides of the corresponding support beam 2;
every bolt fastening piece 7 runs through the spout setting that corresponds on corresponding backup pad 3, when unscrewing, can follow the axial slip that corresponds the spout to can adjust the position of corresponding first support section of thick bamboo 5, second support section of thick bamboo 6 and backing plate 4 on corresponding a supporting beam 2 according to actual demand.
In some alternative embodiments, in the above-described compressed air barrel height adjustment mechanism, the outer wall of each first support barrel 5 and/or the corresponding second support barrel 6 has an annular projection;
each annular bulge is provided with a plurality of bayonets distributed along the circumferential direction;
compressed air gun barrel height-adjusting mechanism still includes:
and one end of the wrench 8 is bent and can be abutted against the outer side of the annular protrusion, and the inner side of the end is provided with a clamping block which can be clamped into the bayonet.
With respect to the compressed air barrel height adjustment mechanism disclosed in the above embodiments, it will be appreciated by those skilled in the art that, when the first supporting cylinder 5 and the corresponding second supporting cylinder 6 need to rotate relatively, the bent end of the wrench 8 can be sleeved outside the first supporting cylinder 5 and move axially along the first supporting cylinder 5, so that the clamping block on the wrench is clamped into one bayonet on the annular protrusion of the first supporting cylinder 5, the first supporting cylinder 5 is rotated relative to the corresponding second supporting cylinder 6 by pulling the wrench 8, or, the bent end of the wrench 8 can be sleeved outside the second support cylinder 6, and moves along the axial direction of the second support cylinder 6, so that the upper clamping block is clamped into a bayonet on the annular protrusion of the second support cylinder 6, the second supporting cylinder 6 is rotated relative to the corresponding first supporting cylinder 5 by wrenching the wrench 8, which is convenient and fast.
In some optional embodiments, the compressed air gun barrel height adjusting mechanism further includes:
a plurality of sets of first heightening cylinders 9;
one end of each of the second heightening cylinders 10 is correspondingly in threaded fit connection with one end of one of the first heightening cylinders 9;
a plurality of heightening plates 11, each heightening plate 11 corresponding to one set of the first heightening cylinders 9;
each heightening bolt fastener 12 correspondingly fastens a first heightening barrel 9 and a second heightening barrel 10 between the corresponding heightening plate 11 and a corresponding backing plate 4 and penetrates through the corresponding first heightening barrel 9 and the corresponding second heightening barrel 10.
With regard to the height adjusting mechanism for the compressed air cannon barrel disclosed in the above embodiments, it can be understood by those skilled in the art that when the height adjustment requirement for the cannon barrel of the compressed air cannon exceeds the height adjustment range of the corresponding first supporting cylinder 5 and second supporting cylinder 6, the first heightening cylinder 9, the second heightening cylinder 10, the heightening plate 11 and the heightening bolt fastening piece 12 can be additionally arranged on the corresponding backing plate 4, and the cannon barrel of the compressed air cannon is placed on the heightening plate 11, so as to meet the height adjustment requirement for the cannon barrel of the compressed air cannon, and the specific adjusting method can refer to the disclosure of the above embodiments, and will not be described in further detail herein.
In some alternative embodiments, in the above-described compressed air barrel height adjusting mechanism, the outer wall of each first heightening barrel 9 and/or the corresponding second heightening barrel 10 has an annular projection;
each annular protrusion is provided with a plurality of bayonets distributed along the circumferential direction, and clamping blocks on the wrench 8 can be clamped into the bayonets.
In some optional embodiments, the compressed air gun barrel height adjusting mechanism further includes:
and each clamping ring 13 is correspondingly connected to one base plate 4 so as to be sleeved on the periphery of the gun barrel of the corresponding compressed air gun to fix the gun barrel of the corresponding compressed air gun.
In some optional embodiments, in the above-mentioned compressed air cannon height adjusting mechanism, each snap ring 13 is formed by two halves which are detachably butted, wherein one half is connected to the corresponding backing plate 4, when the snap ring needs to be sleeved on the periphery of the corresponding compressed air cannon barrel, the other half can be detached first, the cannon barrel of the compressed air cannon is placed in the half connected to the corresponding backing plate 4, and then the detached half is butted thereon, so as to fix the cannon barrel of the corresponding compressed air cannon, when the cannon barrel of the corresponding compressed air cannon needs to be detached, the above-mentioned process can be referred to, and no further description is given here.
In some alternative embodiments, in the above-described compressed air barrel height adjustment mechanism, the butt joint between the two halves of each snap ring 13 is bolted.
In some optional embodiments, the compressed air gun barrel height adjusting mechanism further includes:
and a plurality of pairs of positioning blocks 14, wherein each pair of positioning blocks 14 is oppositely connected to the support 1 and correspondingly supported at two ends of one support beam 2.
In some alternative embodiments, in the above-described compressed air barrel height adjustment mechanism, one side of each locating block 14 has a projection attachment portion;
each pair of positioning blocks 14 has:
a high-position supporting state, wherein the protruding part on the positioning block 14 is connected downwards and is connected to the bracket 1 through a bolt, so that the corresponding supporting beam 2 is positioned at a higher position;
and a low-position supporting state, wherein the protruding part on the positioning block 14 is upwards connected and is connected on the bracket 1 through a bolt, so that the corresponding supporting beam 2 is at a lower position.
As for the compressed air gun barrel height adjusting mechanism disclosed in the above embodiment, it can be understood by those skilled in the art that the adjustment of the vertical distance between the corresponding support beam 2 and the adjacent support beam 2 can be realized by switching between the high-position supporting state and the low-position supporting state of the positioning block 14.
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 application 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 application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. A compressed air gun barrel height adjustment mechanism, comprising:
a support (1);
the supporting beams (2) are connected to the bracket (1) and are distributed in a vertical direction in an arrayed manner;
a plurality of supporting plates (3), wherein one side of each supporting plate (3) is correspondingly connected to the bottom of one supporting beam (2);
the multiple groups of backing plates (4), each group of backing plates (4) is correspondingly positioned above one supporting beam (2) and distributed along the axial direction of the corresponding supporting beam (2);
the first supporting cylinders (5) are correspondingly arranged between the backing plate (4) and the supporting plate (3) and distributed on two sides of the corresponding supporting beam (2);
a plurality of second supporting cylinders (6), wherein one end of each second supporting cylinder (6) is correspondingly in threaded fit connection with one end of one first supporting cylinder (5);
the bolt fastening pieces (7) are fastened between the corresponding backing plate (4) and the corresponding supporting plate (3) and penetrate through the corresponding first supporting cylinder (5) and the second supporting cylinder (6).
2. The compressed air barrel height adjustment mechanism of claim 1,
each supporting plate (3) is provided with two sliding grooves which are distributed on two sides of the corresponding supporting beam (2);
each bolt fastening piece (7) penetrates through the corresponding sliding groove on the corresponding supporting plate (3).
3. The compressed air barrel height adjustment mechanism of claim 1,
the outer wall of each first supporting cylinder (5) and/or the corresponding second supporting cylinder (6) is provided with an annular bulge;
each annular bulge is provided with a plurality of bayonets distributed along the circumferential direction;
compressed air gun barrel height adjustment mechanism still includes:
and one end of the wrench (8) is bent and can be abutted against the outer side of the annular protrusion, and the inner side of the end is provided with a clamping block which can be clamped into the bayonet.
4. The compressed air barrel height adjustment mechanism of claim 1,
further comprising:
a plurality of groups of first heightening cylinders (9);
one end of each second heightening cylinder (10) is correspondingly in threaded fit connection with one end of one first heightening cylinder (9);
a plurality of heightening plates (11), each of the heightening plates (11) corresponding to a group of the first heightening cylinders (9);
the heightening bolt comprises a plurality of heightening bolt fasteners (12), wherein each heightening bolt fastener (12) correspondingly fastens one of a first heightening barrel (9) and a second heightening barrel (10) between a corresponding heightening plate (11) and a corresponding base plate (4) and penetrates through the corresponding inner parts of the first heightening barrel (9) and the second heightening barrel (10).
5. The compressed air barrel height adjustment mechanism of claim 1,
the outer wall of each first heightening barrel (9) and/or the corresponding second heightening barrel (10) is/are provided with an annular bulge;
each annular bulge is provided with a plurality of bayonets distributed along the circumferential direction.
6. The compressed air barrel height adjustment mechanism of claim 1,
further comprising:
and each clamping ring (13) is correspondingly connected to one backing plate (4).
7. The compressed air barrel height adjustment mechanism of claim 6,
each clamping ring (13) is formed by two halves in a detachable butt joint mode, wherein one half is connected to the corresponding backing plate (4).
8. The compressed air barrel height adjustment mechanism of claim 7,
and the butt joint part between the two halves of each clamping ring (13) is connected through a bolt.
9. The compressed air barrel height adjustment mechanism of claim 1,
further comprising:
and each pair of positioning blocks (14) is oppositely connected to the support (1) and correspondingly supported at two ends of one support beam (2).
10. The compressed air barrel height adjustment mechanism of claim 9,
one side of each positioning block (14) is provided with a convex part connecting part;
each pair of said positioning blocks (14) having:
a high-position supporting state, wherein the protruding part on the positioning block (14) is downwards connected and is connected on the bracket (1) through a bolt, so that the corresponding supporting beam (2) is at a higher position;
and in a low-position supporting state, the protruding parts on the positioning blocks (14) are upwards connected and are connected on the bracket (1) through bolts, so that the corresponding supporting beams (2) are positioned at a lower position.
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