CN108015684B - Torsion Liang Penwan detection clamp and method for shot blasting detection by using same - Google Patents
Torsion Liang Penwan detection clamp and method for shot blasting detection by using same Download PDFInfo
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- CN108015684B CN108015684B CN201711495667.3A CN201711495667A CN108015684B CN 108015684 B CN108015684 B CN 108015684B CN 201711495667 A CN201711495667 A CN 201711495667A CN 108015684 B CN108015684 B CN 108015684B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention relates to a torsion beam shot blasting detection clamp, and also relates to a method for shot blasting detection by using the torsion Liang Penwan detection clamp, wherein the torsion Liang Penwan detection clamp comprises a first torsion Liang Yangjian, a second torsion Liang Yangjian, an outer surface support and an inner surface support, wherein the outer surface support and the inner surface support are respectively provided with an Aldoor test piece, the first torsion Liang Yangjian and the second torsion beam sample are respectively provided with a containing groove, the outer surface support and the inner surface support are arranged in the containing grooves, so that the Aldoor test piece can replace the original molded surface to carry out shot blasting detection.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a torsion beam shot blasting detection clamp.
Background
Some mechanical parts with higher use frequency are under the severe working condition of alternating torsion load for a long time, such as aircraft engine blades, airframe structural parts, automobile transmission system parts and the like, and the parts often need to have higher fatigue performance to cope with complex and severe working environments, and the shot peening strengthening can improve the fatigue strength, wear resistance, roughness and other performances of the mechanical parts, so the mechanical parts are widely used for processing key mechanical parts.
The torsion beam of the automobile is used as a main part of a rear axle of the automobile, and complex working conditions such as steering, passing of a bank, turning and the like of the automobile are needed to be faced in many times, and in order to meet the fatigue life requirement, the common process method is to carry out shot peening strengthening in a key area of the torsion beam. The quality of shot peening quality depends on shot peening intensity to a great extent, in an Almen test, the shot peening intensity is characterized by the arch height of deformation of an Almen test piece, so that in the test process, the original deformation of the test piece is measured firstly, then a tool clamping the test piece is placed in a shot peening box, the same process as a workpiece is adopted for spraying, and after the end, the test piece is taken down to measure the deformation arch height, so that a clamp for fixing the Almen test piece on the workpiece is needed.
In order to ensure the accuracy of the detection result, the designed fixture structure needs to have better consistency with the molded surface of the key area to be shot-blasted, for example, chinese patent publication No. CN201420727100.X (issued publication No. CN 204413871U) discloses an adjustable Aldoor test piece fixing fixture.
However, in shot blasting detection of the torsion beam of the automobile, because of the complicated torsion Liang Xingmian, if the consistency of the clamp structure and the molded surface of the torsion Liang Penwan area is to be ensured, the clamp structure is complicated, the design and processing are difficult, and the cost is too high; if the consistency is not good, the error of the detection result is too large.
Therefore, the shot detection jig needs further improvement.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a torsion Liang Penwan detection clamp which has a simple structure and good consistency between the loaded Almen test piece and the molded surface of the shot blasting area, aiming at the current state of the art.
A second technical problem to be solved by the present invention is to provide a method for detecting torsion Liang Penwan by using the torsion Liang Penwan detection clamp, aiming at the current state of the art.
The invention solves the first technical problem by adopting the technical scheme that: the torsion beam shot blasting detection clamp comprises a first torsion Liang Yangjian, a second torsion Liang Yangjian, an outer surface support and an inner surface support, wherein the first torsion Liang Yangjian and the second torsion Liang Yangjian are hollow structures with inner surfaces, the outer surface support and the inner surface support are respectively provided with an Almen test piece, the first torsion beam sample is provided with an outer surface mounting groove, and the outer surface support is accommodated in the outer surface mounting groove and keeps the Almen test pieces flush with the outer surfaces on the left side and the right side of the outer surface mounting groove; an inner surface mounting groove is formed in the second torsion beam sample piece, and the inner surface support is accommodated in the inner surface mounting groove and keeps the Almen test piece flush with the inner surfaces of the torsion beams on the left side and the right side of the Almen test piece.
Preferably, the outer surface of the first torsion beam sample is provided with at least 6 outer surface mounting grooves, and the outer surface brackets are correspondingly arranged in the outer surface mounting grooves; at least 3 inner surface mounting grooves are formed in the inner surface of the second torsion force Liang Yangjian, and the inner surface brackets are correspondingly arranged in each inner surface mounting groove.
Specifically, the first torsion Liang Yangjian and the second torsion beam sample upper surface all have the recess that runs through the setting along length direction, the recess includes first lateral wall, second lateral wall and the diapire that is located between the two, first lateral wall upper surface is first cambered surface, second lateral wall upper surface is the second cambered surface, arc transition forms the third cambered surface between first lateral wall and the diapire, arc transition forms the fourth cambered surface between second lateral wall and the diapire.
Specifically, the outer surface mounting groove comprises
The first mounting groove is formed in a third cambered surface on the left side of the first torsion Liang Yangjian, an outer surface bracket provided with an Almen test piece is accommodated in the first mounting groove, and the Almen test piece is positioned at 145-220 mm of the left end of the torsion beam;
the second mounting groove is formed in the inner side surface of the left side of the first side wall of the first torsion Liang Yangjian, an outer surface bracket provided with an Almen test piece is accommodated in the second mounting groove, and the Almen test piece is positioned at the 325-400 mm position of the left end of the torsion beam;
the third mounting groove is formed in the second cambered surface on the left side of the first torsion Liang Yangjian, an outer surface bracket provided with an Almen test piece is accommodated in the third mounting groove, and the Almen test piece is positioned at the 325-400 mm position of the left end of the torsion beam;
the fourth mounting groove is formed in the outer side face of the right side of the first side wall of the first torsion Liang Yangjian, an outer surface bracket provided with an Almen test piece is accommodated in the fourth mounting groove, and the Almen test piece is positioned at 365-440 mm of the right side of the torsion beam;
the fifth mounting groove is formed in the second cambered surface on the right side of the first torsion Liang Yangjian, an outer surface bracket provided with an Almen test piece is accommodated in the fifth mounting groove, and the Almen test piece is positioned at the position 220-295 mm on the right side of the torsion beam;
the sixth mounting groove is formed in the second cambered surface on the right side of the first torsion Liang Yangjian, an outer surface bracket provided with an Almen test piece is contained in the sixth mounting groove, and the Almen test piece is located at 386-461 mm of the right side of the torsion beam.
Specifically, the inner surface mounting groove comprises
The seventh mounting groove is formed in the inner side surface of the left end of the first side wall of the second torsion Liang Yangjian, an inner surface bracket provided with an Almen test piece is accommodated in the seventh mounting groove, and the Almen test piece is positioned at the position of 250-325 mm of the left end of the torsion beam;
the eighth mounting groove is formed in the outer side face of the left end of the second side wall of the second torsion Liang Yangjian, an inner surface bracket provided with an Almen test piece is accommodated in the eighth mounting groove, and the Almen test piece is positioned at the position of 337-412 mm of the left end of the torsion beam;
and the ninth installation groove is formed in the inner side surface of the right end of the first side wall of the second torsion Liang Yangjian, an inner surface bracket provided with an Almen test piece is accommodated in the ninth installation groove, and the Almen test piece is positioned at 395-470 mm of the left end of the torsion beam.
For the support to install on torsion Liang Yangjian, preferably, the surface support passes through welded connection with first torsion beam sample, and the internal surface support passes through bolted connection and fixes on second torsion Liang Yangjian, surface support and internal surface support all include arched support body and the connection piece that extends to both sides by support body both ends foot, arched support body forms the cavity of holding installation piece, the connection piece is connected with the torsion beam surface of mounting groove both sides.
Preferably, the mounting blocks comprise a first mounting block accommodated in the concave cavity of the outer surface bracket and a second mounting block accommodated in the concave cavity of the inner surface bracket, and the upper surface of each mounting block is fixedly provided with an Aldoor test piece through a screw.
In order to ensure that the Aldoor test pieces on the outer surface bracket and the inner surface bracket are respectively flush with the surface of the torsion beam, preferably, the first mounting block is lower than the connecting piece and keeps the Aldoor test pieces mounted on the upper surface of the first mounting block flush with the outer surface of the torsion beam; the second mounting block is higher than the connecting piece and keeps the Aldoor test piece mounted on the upper surface of the second mounting block flush with the inner surface of the torsion beam.
The invention solves the second technical problem by adopting the technical proposal that: a method for shot peening using a torsion Liang Penwan inspection jig, comprising the steps of:
(1) taking out a new Almen test piece, marking a serial number corresponding to each mounting groove, detecting an initial value of each Almen test piece by using a calibrated Almen strength tester, and recording;
(2) the Almen test pieces marked with serial numbers are fixed on the mounting blocks through the inner hexagon bolts, then the mounting blocks provided with the Almen test pieces are fixed on the brackets, and the brackets corresponding to different mounting grooves are welded or fixed on the torsion Liang Yangjian through the inner hexagon bolts;
(3) after the installation is completed, the torsion Liang Yangjian with the Almen test piece is placed in a shot blasting chamber, the torsion Liang Yangjian is respectively fixed on an inner surface shot blasting station or an outer surface shot blasting station through a fixed clamp, and the inner surface shot blasting and the outer surface shot blasting of the torsion Liang Yangjian are enhanced by using a shot blasting mechanical arm and a rotary nozzle according to a set movement track.
(4) After the shot blasting process is finished, taking out the torsion Liang Yangjian, taking down the Almen test piece on the mounting block, detecting the coverage rate of the pit on the surface of the test piece by utilizing an endoscope, detecting the arc height value of the deformed test piece by utilizing an Almen strength tester, comparing the arc height value with a specified arc height value and a coverage rate target value, and judging whether the test result meets the requirement.
Preferably, the shot blasting pressure of the outer surface is 0.25-0.35 Mpa, the flow is 23-25 KG/Min, and the net shot blasting time is 90-100 s; the pressure of the shot blasting on the inner surface is 0.45-0.55 Mpa, the flow is 8-10 KG/Min, the net shot blasting time is 85-95 s, and the lifting speed is 95-105 mm/Min.
Compared with the prior art, the invention has the advantages that: this torsion Liang Penwan detects anchor clamps, including first torsion Liang Yangjian, the second torsion Liang Yangjian, surface support and interior surface support, first torsion Liang Yangjian and second torsion Liang Yangjian are the hollow structure who has the internal surface, all be provided with the alpine test block on surface support and the interior surface support, still start respectively on first torsion Liang Yangjian and the second torsion beam sample piece and have the storage tank, surface support and interior surface support install in the storage tank, the alpine test block of being convenient for replaces original profile to carry out shot blasting detection, such structural design, the structure is comparatively simple, the support passes through the screw and torsion beam assembly, and is very convenient, no matter interior surface support or surface support, the alpine test block of installation on it all flushes with the surface or the internal surface of torsion beam, make the profile that detects and the original profile of torsion beam have better uniformity, the testing result is more accurate.
Drawings
FIG. 1 is a schematic view of the overall structure of a first torsion beam sample in accordance with an embodiment of the present invention;
fig. 2 is a schematic diagram of the overall structure of the second torsion Liang Yangjian according to the embodiment of the invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of the overall structure of the first torsion beam sample with the outer surface brackets omitted;
fig. 5 is a schematic view of the overall structure of the second torsion Liang Yangjian with the inner surface brackets omitted;
FIG. 6 is a schematic view showing the overall structure of an outer surface mount and an inner surface mount according to an embodiment of the present invention;
fig. 7 is an exploded view of fig. 6.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 7, in the present embodiment, the torsion Liang Penwan detection fixture includes a first torsion beam sample 1, a second torsion Liang Yangjian, an outer surface support 3, and an inner surface support 4, wherein the first torsion beam sample 1 and the second torsion Liang Yangjian are hollow structures having inner surfaces, the outer surface support 3 and the inner surface support 4 are respectively provided with an alpine test piece 5, the first torsion beam sample 1 is provided with an outer surface mounting groove, the outer surface support 3 is accommodated in the outer surface mounting groove, and the alpine test piece 5 is kept flush with the outer surfaces of the left and right sides thereof; an inner surface mounting groove is formed in the second torsion Liang Yangjian, an inner surface bracket 4 is accommodated in the inner surface mounting groove, and the Almen test piece 5 is kept flush with the inner surfaces of torsion beams at the left side and the right side of the inner surface mounting groove, wherein at least 6 outer surface mounting grooves are formed in the outer surface of the first torsion beam sample piece 1, and the outer surface brackets 3 are correspondingly arranged in the outer surface mounting grooves; at least 3 inner surface mounting grooves are formed in the inner surface of the second torsion force Liang Yangjian, and inner surface brackets 4 are correspondingly arranged in each inner surface mounting groove.
In this embodiment, the first torsion beam sample 1 and the second torsion beam Liang Yangjian have grooves 6 penetrating through each other along the length direction, each groove 6 includes a first side wall 61, a second side wall 62, and a bottom wall 63 therebetween, the upper surface of the first side wall 61 is a first arc surface 6a, the upper surface of the second side wall 62 is a second arc surface 6b, the arc transition between the first side wall 61 and the bottom wall 63 forms a third arc surface 6c, and the arc transition between the second side wall 62 and the bottom wall 63 forms a fourth arc surface 6d.
The number of the external surface mounting grooves of this embodiment is 6, wherein:
the first mounting groove 111 is formed in the third cambered surface 6c on the left side of the first torsion beam sample piece 1, the outer surface bracket 3 provided with the Aldoor test piece 5 is accommodated in the first mounting groove 111, and the Aldoor test piece 5 is positioned at 145-220 mm of the left end of the torsion beam;
the second mounting groove 112 is arranged on the inner side surface of the left side of the first side wall 61 of the first torsion beam sample piece 1, the outer surface bracket 3 provided with the Almen test piece 5 is accommodated in the second mounting groove 112, and the Almen test piece 5 is positioned at the 325-400 mm position of the left end of the torsion beam;
the third mounting groove 113 is formed in the second cambered surface 6b on the left side of the first torsion beam sample piece 1, the outer surface bracket 3 provided with the Aldoor test piece 5 is accommodated in the third mounting groove 113, and the Aldoor test piece 5 is positioned at the 325-400 mm position of the left end of the torsion beam;
the fourth mounting groove 114 is arranged on the outer side surface of the right side wall 61 of the first torsion beam sample piece 1, the outer surface bracket 3 provided with the Aldoor test piece 5 is accommodated in the fourth mounting groove 114, and the Aldoor test piece 5 is positioned at the 365 mm-440 mm position of the right side of the torsion beam;
the fifth mounting groove 115 is formed in the second cambered surface 6b on the right side of the first torsion beam sample piece 1, the outer surface bracket 3 provided with the Aldoor test piece 5 is accommodated in the fifth mounting groove 115, and the Aldoor test piece 5 is positioned at the position 220 mm-295 mm on the right side of the torsion beam;
the sixth mounting groove 116 is formed in the second cambered surface 6b on the right side of the first torsion beam sample piece 1, the outer surface bracket 3 provided with the Aldoor test piece 5 is accommodated in the sixth mounting groove 116, and the Aldoor test piece 5 is positioned at 386-461 mm on the right side of the torsion beam.
The number of the inner surface mounting grooves in this embodiment is 3, wherein:
a seventh mounting groove 211 formed on the inner side surface of the left end of the first side wall 61 of the second torsion Liang Yangjian, wherein the inner surface bracket 4 provided with the Aldoor test piece 5 is accommodated in the seventh mounting groove 211, and the Aldoor test piece 5 is positioned at the position of 250 mm-325 mm of the left end of the torsion beam;
an eighth mounting groove 212 formed on the outer side surface of the left end of the second side wall 62 of the second torsion Liang Yangjian, wherein the inner surface bracket 4 provided with the Aldoor test piece 5 is accommodated in the eighth mounting groove 212, and the Aldoor test piece 5 is positioned at the position of 337-412 mm of the left end of the torsion beam;
The outer surface bracket 3 and the inner surface bracket 4 can adopt different structures, in the embodiment, the outer surface bracket 3 and the inner surface bracket 4 are similar in structure and comprise an arched frame body 31 and connecting pieces 32 extending from two end feet of the frame body 31 to two sides, the arched frame body 31 forms a concave cavity 311 for accommodating mounting blocks, the connecting pieces 32 are connected with torsion beam surfaces at two sides of a mounting groove, the mounting blocks comprise a first mounting block 33 accommodated in the concave cavity 311 of the outer surface bracket 3 and a second mounting block 41 accommodated in the concave cavity 311 of the inner surface bracket 4, the upper surfaces of the mounting blocks are respectively fixed with an Almen test piece 5 through screws 7, wherein the height of the first mounting block 33 is lower than that of the connecting pieces 32, and the Almen test piece 5 mounted on the upper surfaces of the mounting blocks is kept flush with the outer surface of the torsion beam; the second mounting block 41 is higher than the connecting piece 32 and keeps the Aldoor test piece 5 mounted on the upper surface flush with the inner surface of the torsion beam, the outer surface bracket 3 is connected with the first torsion beam sample 1 in a welding mode, and the inner surface bracket 4 is fixed on the second torsion force Liang Yangjian 2 in a bolting mode.
In this embodiment, the method for shot peening using the torsion Liang Penwan detection jig includes the steps of:
(1) taking out a new Almen test piece, marking a serial number corresponding to each mounting groove, detecting an initial value of each Almen test piece by using a calibrated Almen strength tester, and recording;
(2) the Almen test pieces marked with serial numbers are fixed on the mounting blocks through the inner hexagon bolts, then the mounting blocks provided with the Almen test pieces are fixed on the brackets, and the brackets corresponding to different mounting grooves are welded or fixed on the torsion Liang Yangjian through the inner hexagon bolts;
(3) after the installation is completed, the torsion Liang Yangjian with the Almen test piece is placed in a shot blasting chamber, the torsion Liang Yangjian is respectively fixed on an inner surface shot blasting station or an outer surface shot blasting station through a fixed clamp, the inner surface shot blasting and the outer surface shot blasting of the torsion Liang Yangjian are strengthened by using a shot blasting mechanical arm and a rotary nozzle according to a set movement track,
(4) after the shot blasting process is finished, taking out the torsion Liang Yangjian, taking down the Almen test piece on the mounting block, detecting the coverage rate of the pit on the surface of the test piece by utilizing an endoscope, detecting the arc height value of the deformed test piece by utilizing an Almen strength tester, comparing the arc height value with a specified arc height value and a coverage rate target value, and judging whether the test result meets the requirement.
Wherein, the shot blasting pressure of the outer surface is 0.25-0.35 Mpa, the flow is 23-25 KG/Min, and the net shot blasting time is 90-100 s; the pressure of the shot blasting on the inner surface is 0.45-0.55 Mpa, the flow is 8-10 KG/Min, the net shot blasting time is 85-95 s, and the lifting speed is 95-105 mm/Min.
Claims (5)
1. The utility model provides a torsion beam peening anchor clamps, includes first torsion Liang Yangjian (1), second torsion Liang Yangjian (2), surface support (3) and interior surface support (4), first torsion Liang Yangjian (1) and second torsion Liang Yangjian (2) are the hollow structure that has the internal surface, all be provided with on surface support (3) and interior surface support (4) alpine test block (5), its characterized in that: an outer surface mounting groove is formed in the first torsion Liang Yangjian (1), and the outer surface bracket (3) is accommodated in the outer surface mounting groove and keeps the Aldoor test piece (5) flush with the outer surfaces on the left side and the right side of the outer surface bracket; an inner surface mounting groove is formed in the second torsion Liang Yangjian (2), and the inner surface bracket (4) is accommodated in the inner surface mounting groove and keeps the Almen test piece (5) flush with the inner surfaces of torsion beams at the left side and the right side of the Almen test piece;
the upper surfaces of the first torsion Liang Yangjian (1) and the second torsion Liang Yangjian (2) are respectively provided with a groove (6) penetrating along the length direction, the grooves (6) comprise a first side wall (61), a second side wall (62) and a bottom wall (63) arranged between the first side wall and the second side wall, the upper surface of the first side wall (61) is a first cambered surface (6 a), the upper surface of the second side wall (62) is a second cambered surface (6 b), a third cambered surface (6 c) is formed by arc transition between the first side wall (61) and the bottom wall (63), and a fourth cambered surface (6 d) is formed by arc transition between the second side wall (62) and the bottom wall (63).
The outer surface mounting groove includes:
the first mounting groove (111) is formed in a third cambered surface (6 c) on the left side of the first torsion Liang Yangjian (1), an outer surface bracket (3) provided with an Almen test piece (5) is contained in the first mounting groove (111), and the Almen test piece (5) is positioned at 145-220 mm of the left end of the torsion beam;
the second mounting groove (112) is formed in the inner side surface of the left side of the first side wall (61) of the first torsion Liang Yangjian (1), an outer surface bracket (3) provided with an Almen test piece (5) is contained in the second mounting groove (112), and the Almen test piece (5) is positioned at the left end 325 mm-400 mm of the torsion beam;
the third mounting groove (113) is formed in the second cambered surface (6 b) on the left side of the first torsion Liang Yangjian (1), an outer surface bracket (3) provided with an Almen test piece (5) is contained in the third mounting groove (113), and the Almen test piece (5) is located at the left end 325 mm-400 mm of the torsion beam;
the fourth mounting groove (114) is formed in the right outer side face of the first side wall (61) of the first torsion Liang Yangjian (1), the outer surface bracket (3) provided with the Almen test piece (5) is contained in the fourth mounting groove (114), and the Almen test piece (5) is located at the position of the right side 365 mm-440 mm of the torsion beam;
the fifth mounting groove (115) is formed in the second cambered surface (6 b) on the right side of the first torsion Liang Yangjian (1), an outer surface bracket (3) provided with an Almen test piece (5) is contained in the fifth mounting groove (115), and the Almen test piece (5) is positioned at 220-295 mm on the right side of the torsion beam;
the sixth mounting groove (116) is formed in the second cambered surface (6 b) on the right side of the first torsion Liang Yangjian (1), an outer surface bracket (3) provided with an Almen test piece (5) is contained in the sixth mounting groove (116), and the Almen test piece (5) is positioned at the position of the right side 3836 mm-463mm of the torsion beam;
the inner surface mounting groove includes:
the seventh mounting groove (211) is formed in the inner side surface of the left end of the first side wall (61) of the second torsion Liang Yangjian (2), the inner surface bracket (4) provided with the Almen test piece (5) is accommodated in the seventh mounting groove (211), and the Almen test piece (5) is positioned at 250-325 mm of the left end of the torsion beam;
an eighth mounting groove (212) is formed in the outer side face of the left end of the second side wall (62) of the second torsion Liang Yangjian (2), an inner surface bracket (4) provided with an Almen test piece (5) is contained in the eighth mounting groove (212), and the Almen test piece (5) is located at the position of the left end 337 mm-412 mm of the torsion beam;
a ninth mounting groove (213) is formed in the inner side surface of the right end of the first side wall (61) of the second torsion Liang Yangjian (2), an inner surface bracket (4) provided with an Almen test piece (5) is accommodated in the ninth mounting groove (213), and the Almen test piece (5) is positioned at the position of the left end 399mm-470 mm of the torsion beam;
the outer surface support (3) is connected with the first torsion Liang Yangjian (1) in a welding mode, and the inner surface support (4) is fixedly connected to the second torsion Liang Yangjian (2) through bolts; the outer surface support (3) and the inner surface support (4) comprise an arched support body (31) and connecting pieces (32) extending from two end feet of the support body (31) to two sides, the arched support body (31) forms a concave cavity (311) for accommodating the mounting block, and the connecting pieces (32) are connected with the surfaces of torsion beams at two sides of the mounting groove;
the mounting blocks comprise a first mounting block (33) accommodated in a concave cavity (311) of the outer surface support (3) and a second mounting block (41) accommodated in a concave cavity (311) of the inner surface support (4), and the upper surfaces of the mounting blocks are fixed with Almen test pieces (5) through screws (7).
2. The torsion Liang Penwan detection jig according to claim 1, wherein: at least 6 outer surface mounting grooves are formed in the outer surface of the first torsion Liang Yangjian (1), and the outer surface brackets (3) are correspondingly arranged in the outer surface mounting grooves; at least 3 inner surface mounting grooves are formed in the inner surface of the second torsion force Liang Yangjian (2), and the inner surface brackets (4) are correspondingly arranged in each inner surface mounting groove.
3. The torsion Liang Penwan detection jig according to claim 2, wherein: the first mounting block (33) is lower than the connecting sheet (32) and keeps the Aldoor test piece (5) mounted on the upper surface of the first mounting block flush with the outer surface of the torsion beam; the second mounting block (41) is higher than the connecting piece (32) and keeps the Aldoor test piece (5) mounted on the upper surface of the second mounting block flush with the inner surface of the torsion beam.
4. A method of shot peening using the torsion Liang Penwan inspection jig according to any one of claims 1 to 3, comprising the steps of:
(1) taking out a new Almen test piece, marking a serial number corresponding to each mounting groove, detecting an initial value of each Almen test piece by using a calibrated Almen strength tester, and recording;
(2) the Almen test pieces marked with serial numbers are fixed on the mounting blocks through the inner hexagon bolts, then the mounting blocks provided with the Almen test pieces are fixed on the brackets, and the brackets corresponding to different mounting grooves are welded or fixed on the torsion Liang Yangjian through the inner hexagon bolts;
(3) after the installation is finished, placing a torsion Liang Yangjian provided with an Almen test piece into a shot blasting chamber, respectively fixing the torsion Liang Yangjian on an inner surface shot blasting station or an outer surface shot blasting station through a fixed clamp, and performing inner and outer surface shot blasting strengthening on the torsion Liang Yangjian according to a set motion track by using a shot blasting mechanical arm and a rotary nozzle;
(4) after the shot blasting process is finished, taking out the torsion Liang Yangjian, taking down the Almen test piece on the mounting block, detecting the coverage rate of the pit on the surface of the test piece by utilizing an endoscope, detecting the arc height value of the deformed test piece by utilizing an Almen strength tester, comparing the arc height value with a specified arc height value and a coverage rate target value, and judging whether the test result meets the requirement.
5. The method for shot peening detection using torsion Liang Penwan detection jig according to claim 4, wherein: the shot blasting pressure of the outer surface is 0.25-0.35 mpa, the flow is 23-25 KG/Min, and the net shot blasting time is 90-100 s; the shot blasting pressure of the inner surface is 0.45-0.55 mpa, the flow is 8-10 KG/Min, the net shot blasting time is 85-95 s, and the lifting speed is 95-105 mm/Min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495667.3A CN108015684B (en) | 2017-12-31 | 2017-12-31 | Torsion Liang Penwan detection clamp and method for shot blasting detection by using same |
Applications Claiming Priority (1)
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| CN110514536A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | It is a kind of for detecting the calibration equipment and method of shot peening strength |
| CN113237743B (en) * | 2021-06-10 | 2023-10-27 | 浙江久立特材科技股份有限公司 | Test piece fixing device that pipeline surface shot peening intensity test used |
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| CN102513941A (en) * | 2011-12-16 | 2012-06-27 | 陕西飞机工业（集团）有限公司 | Adjustable simulation test tool set for shot blasting reinforcement of integral wall board of aircraft wing |
| CN204705537U (en) * | 2015-05-13 | 2015-10-14 | 中航飞机起落架有限责任公司 | A kind ofly determine blocking and stationary installation of small hole shot-peening intensity shot-peening test piece |
| CN105259059A (en) * | 2015-11-23 | 2016-01-20 | 江苏大学 | Contrast test method for improving fretting fatigue resistance performance of material by laser shot blasting strengthening and test sample clamping device |
| CN205271759U (en) * | 2015-12-07 | 2016-06-01 | 贵州黎阳航空动力有限公司 | A general test block anchor clamps for belt pulley rotation grit blasting equipment |
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| FR2689236A1 (en) * | 1992-03-26 | 1993-10-01 | Wheelabrator Allevard | Intensity measurement appts. for shot blasting process - measures indentations in the surface of a test piece using a mechanical comparator |
| CN102513941A (en) * | 2011-12-16 | 2012-06-27 | 陕西飞机工业（集团）有限公司 | Adjustable simulation test tool set for shot blasting reinforcement of integral wall board of aircraft wing |
| CN204705537U (en) * | 2015-05-13 | 2015-10-14 | 中航飞机起落架有限责任公司 | A kind ofly determine blocking and stationary installation of small hole shot-peening intensity shot-peening test piece |
| CN105259059A (en) * | 2015-11-23 | 2016-01-20 | 江苏大学 | Contrast test method for improving fretting fatigue resistance performance of material by laser shot blasting strengthening and test sample clamping device |
| CN205271759U (en) * | 2015-12-07 | 2016-06-01 | 贵州黎阳航空动力有限公司 | A general test block anchor clamps for belt pulley rotation grit blasting equipment |
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