CN116519252B - Impact test device for aircraft component - Google Patents
Impact test device for aircraft component Download PDFInfo
- Publication number
- CN116519252B CN116519252B CN202310675904.3A CN202310675904A CN116519252B CN 116519252 B CN116519252 B CN 116519252B CN 202310675904 A CN202310675904 A CN 202310675904A CN 116519252 B CN116519252 B CN 116519252B
- Authority
- CN
- China
- Prior art keywords
- plate
- impact
- sliding
- fixed
- pendulum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009863 impact test Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- G01M7/08—Shock-testing
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an impact test device for an aircraft component, which belongs to the technical field of aircraft tests and comprises a bottom plate, wherein a protective shell is fixedly arranged on the bottom plate, a cover door plate is symmetrically and rotatably arranged on the protective shell, a transparent observation window is fixedly arranged on the protective shell, an auxiliary assembly, a drop hammer driving assembly and a pendulum hammer driving assembly are arranged on the bottom plate, drop hammer or pendulum hammer tests can be carried out at any height by arranging the drop hammer driving assembly and the pendulum hammer driving assembly, and the impact rotary plate is controlled to be in a fixed or non-fixed state, so that an impact round block can be switched between a drop hammer test state and a pendulum hammer test state, further, the auxiliary assembly can protect workers when the aircraft component is arranged by workers, and can also buffer and damp the impact round block after the tests are completed when the drop hammer or pendulum hammer tests are carried out.
Description
Technical Field
The invention relates to the technical field of airplane testing, in particular to an impact test device for airplane components.
Background
The aircraft comprises a plurality of components, each component plays a significant role in the integrity of the aircraft and the smooth running of the aircraft, each component has a special role, the components are unaware of the impact, the components of the aircraft are damaged when impacted by various impacts received by the components of the aircraft in the use process, the strength and the rigidity of the components of the aircraft are reduced, the normal use of the aircraft is affected, and even safety accidents can be caused, so that the impact resistance of the components of the aircraft needs to be detected, the materials of the components of the aircraft are various, the impact test modes required by the components of the aircraft of different materials are different, and the conventional impact device can only singly realize one of drop hammer type or pendulum type and cannot meet the impact test requirements of various components of the aircraft.
The invention discloses an impact testing machine, which comprises a bracket, wherein a lifting impact assembly and a sample fixing assembly are arranged on the bracket, the bracket comprises a base and a vertical plate arranged on the base, a beam is fixedly arranged on the vertical plate, the lifting impact assembly comprises an impact block and a traction unit used for traction of the impact block, the sample fixing assembly comprises a clamp used for fixing a tested piece, the clamp is used for fixing the tested piece on a falling impact path of the impact block, and although the impact testing machine can realize falling hammer type impact testing on a workpiece, the impact testing requirement of various airplane components cannot be met, and the impact block cannot be buffered after the impact of the workpiece is finished, so the invention provides an impact testing device for the airplane components.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an impact test device for an aircraft component, which solves the problems that the impact test requirements of various aircraft components cannot be met and an impact block cannot be buffered after the impact of a workpiece is finished.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an impact test device of aircraft component, including the bottom plate, fixed mounting has protective housing on the bottom plate, the rotation of symmetry is installed and is covered the door plant on the protective housing, fixedly be provided with transparent observation window on the protective housing, be provided with auxiliary assembly on the bottom plate, auxiliary assembly is including supporting the swivel mount, symmetrical fixed mounting has the installation curb plate on the support swivel mount, equal slidable mounting has anchor clamps mounting bottom plate on the installation curb plate, be provided with frock clamp on the anchor clamps mounting bottom plate, still be provided with drop driving assembly and pendulum driving assembly on the bottom plate, drop driving assembly includes L shape backup pad and impact flap, symmetrical slidable mounting has impact slide on the L shape backup pad, impact flap and impact slide rotate to be connected, the tip fixed mounting of impact flap has the impact round piece, the fixed sliding sleeve that is provided with of symmetry on the impact flap, equal slidable mounting has fixed carriage on the impact slide, symmetrical fixed being provided with the fixed quarter butt on the fixed carriage, the rotation of restriction impact flap when fixed sliding sleeve, pendulum driving assembly includes the pendulum on the impact slide far away from transparent observation window, the pendulum on the flap, the impact flap is rotated and the face of a round piece is rotated to be provided with auxiliary drive round piece, the pendulum flap is rotated.
Further, support the swivel mount and rotate and install on the bottom plate, the side fixed mounting of installation curb plate has fixed electric jar, and the piston rod of fixed electric jar and the anchor clamps mounting plate sliding fit that corresponds support the swivel mount on slidable mounting have the buffer board, are provided with the spring between buffer board and the support swivel mount.
Further, the auxiliary assembly further comprises an auxiliary supporting plate, an auxiliary annular plate is rotatably arranged on the auxiliary supporting plate, a protection supporting rod is fixedly arranged on the auxiliary annular plate, a buffer rotating plate is rotatably arranged on the auxiliary annular plate, a torsion spring is arranged between the auxiliary annular plate and the buffer rotating plate, and a buffer supporting rod is fixedly arranged on the end part of the buffer rotating plate.
Further, the drop hammer driving assembly further comprises a drop hammer strip-shaped plate which is symmetrically and slidably arranged on the L-shaped supporting plate, a drop hammer sliding frame is slidably arranged on the drop hammer strip-shaped plate, a fixed side plate is fixedly arranged on the impact sliding seat, a protruding block is fixedly arranged at the lower end of the drop hammer sliding frame, and a groove matched with the protruding block at the lower end of the drop hammer sliding frame is formed in the fixed side plate.
Further, the driven gear and the driven belt wheel are rotatably arranged on the drop hammer strip-shaped plate, the drop hammer screw rod is fixedly arranged on the drop hammer sliding frame, the drop hammer screw rod and the driven belt wheel form a spiral pair, the belt wheel is fixedly arranged on the driven gear, and the drop hammer conveying belt is arranged between the belt wheel and the driven belt wheel on the driven gear.
Further, a driving support plate is fixedly arranged on the L-shaped support plate, a driving gear and a drop hammer gear are rotatably arranged on the driving support plate, drop hammer racks are fixedly arranged on the drop hammer strip-shaped plates, the drop hammer racks are meshed with the drop hammer gear to form a gear rack pair, a driving toothed ring is fixedly arranged on the driving gear, a gear pair is formed when the driving gear is meshed with a driven gear, and a gear pair is formed when the driving toothed ring is meshed with the driven gear.
Further, the pendulum bob slide and the fixed carriage farthest from the transparent observation window are in sliding fit, a spring is arranged between the pendulum bob slide and the fixed carriage farthest from the transparent observation window, a spring is arranged between the pendulum bob slide and the impact sliding seat farthest from the transparent observation window, and the strength of the spring between the pendulum bob slide and the fixed carriage farthest from the transparent observation window is larger than that between the pendulum bob slide and the impact sliding seat farthest from the transparent observation window.
Further, an auxiliary fixing plate is fixedly arranged between the two impact sliding seats, a double-head electric cylinder is fixedly arranged on the auxiliary fixing plate, two piston rods of the double-head electric cylinder are respectively fixedly connected with the corresponding fixed sliding frames, a short rod is fixedly arranged on the impact sliding seat farthest from the transparent observation window, and the short rod on the impact sliding seat farthest from the transparent observation window is used for limiting the moving position of the pendulum bob sliding plate.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, through arranging the drop hammer driving assembly and the pendulum hammer driving assembly, drop hammer or pendulum hammer test can be carried out at any height; (2) According to the invention, the impact rotating plate is controlled to be in a fixed state or a non-fixed state, so that the impact round block can be switched between a drop hammer test state and a pendulum hammer test state, and further impact test modes required by different aircraft components can be dealt with; (3) By arranging the auxiliary component, the invention can protect the staff when the staff installs the airplane components, and can buffer and damp the impact round block after the test is completed when the drop hammer or the pendulum hammer is tested.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the inside of the protective housing of the present invention.
Fig. 3 is a front view showing the internal structure of the protective housing of the present invention.
Fig. 4 is a schematic structural view of an auxiliary assembly of the present invention.
Fig. 5 is a schematic view of the structure of the present invention where the side plates are installed.
Fig. 6 is an enlarged partial schematic view at a in fig. 5.
Fig. 7 is a schematic structural diagram of the drop hammer driving assembly according to the present invention.
Fig. 8 is a partially enlarged schematic view at B in fig. 7.
Fig. 9 is a partially enlarged schematic view at C in fig. 7.
Fig. 10 is a schematic structural diagram of a drop hammer driving assembly according to the present invention.
Fig. 11 is a partially enlarged schematic view of fig. 10 at D.
Fig. 12 is a schematic view of the structure of the fixing side plate of the present invention.
Fig. 13 is a partially enlarged schematic illustration at E in fig. 12.
Fig. 14 is a schematic view of the structure of the impact plate according to the present invention.
Fig. 15 is a partially enlarged schematic view of fig. 14 at F.
Fig. 16 is a schematic view of a pendulum driving assembly according to the present invention.
Fig. 17 is a partially enlarged schematic view of fig. 16 at G.
Fig. 18 is a schematic diagram of a pendulum driving assembly according to the present invention.
Fig. 19 is a partially enlarged schematic view of H in fig. 18.
Reference numerals: 101-a bottom plate; 102-a protective housing; 103-covering the door panel; 104-a transparent viewing window; 105-supporting a swivel mount; 106-an accessory support plate; 107-L-shaped support plates; 108-impacting the round block; 109-mounting side plates; 110-a clamp mounting base plate; 111-a fixture; 112-a buffer plate; 113-a positioning motor; 114-fixing the electric cylinder; 115-an auxiliary motor; 116-auxiliary ring plates; 117-guard support bar; 118-cushion support bar; 119-buffer rotating plate; 120-impacting the slide; 121-drop hammer carriage; 122-drop hammer screw rod; 123-fixing side plates; 124-drop rack; 125-drop hammer conveyor; 126-driving the toothed ring; 127-driven gear; 128-a drive gear; 129-driven pulleys; 130-drop hammer gear; 131-driving the support plate; 132-a drop hammer drive motor; 133-heightening the motor; 134-impact swivel plate; 135-fixing short rods; 136-a fixed carriage; 137-fixed sliding sleeve; 138-double-ended electric cylinder; 139-auxiliary fixing plate; 140-pendulum driving circular plate; 141-a pendulum driving motor; 142-pendulum bob slide plate; 143-pendulum conveyor; 144-a horizontal rotating plate; 145-auxiliary round blocks; 146-drop hammer strip plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-19, an impact test device for an aircraft component comprises a bottom plate 101, wherein a protective housing 102 is fixedly installed on the bottom plate 101, a cover door plate 103 is symmetrically installed on the protective housing 102 in a rotating manner, a transparent observation window 104 is fixedly arranged on the protective housing 102, and the internal condition of the protective housing 102 can be observed through the transparent observation window 104.
Be provided with auxiliary assembly on the bottom plate 101, auxiliary assembly is including supporting the swivel mount 105, support swivel mount 105 rotation and install on bottom plate 101, fixed mounting has the motor 113 that adjusts the position on the bottom plate 101, the output shaft of motor 113 that adjusts the position and support swivel mount 105 fixed connection, the symmetrical fixed mounting that supports on the swivel mount 105 has installation curb plate 109, all slidable mounting has anchor clamps mounting plate 110 on the installation curb plate 109, the side fixed mounting of installation curb plate 109 has fixed jar 114, the piston rod of fixed jar 114 and the anchor clamps mounting plate 110 sliding fit that corresponds, be provided with frock clamp 111 on the anchor clamps mounting plate 110.
By starting the fixed electric cylinder 114, the piston rod of the fixed electric cylinder 114 is engaged with the clamp mounting base plate 110, the clamp mounting base plate 110 is fixed, and different tool clamps 111 are replaced by replacing different clamp mounting base plates 110, so that the impact modes of the drop hammer and the pendulum hammer are met.
The support swivel mount 105 is last slidable mounting to have the buffer board 112, be provided with the spring between buffer board 112 and the support swivel mount 105, fixed mounting has auxiliary stay board 106 on the bottom plate 101, rotate on the auxiliary stay board 106 and install auxiliary ring board 116, fixed mounting has auxiliary motor 115 on the auxiliary stay board 106, auxiliary motor 115's output shaft and auxiliary ring board 116 fixed connection, fixed being provided with protection bracing piece 117 on the auxiliary ring board 116, rotate on the auxiliary ring board 116 and install buffering swivel board 119, be provided with the torsional spring between auxiliary ring board 116 and the buffering swivel board 119, the one end fixed connection of torsional spring is on auxiliary ring board 116, the other end fixed connection of torsional spring is on buffering swivel board 119, fixed being provided with buffering bracing piece 118 on the tip of buffering swivel board 119, buffering bracing piece 118 and auxiliary ring board 116 swing joint.
The auxiliary motor 115 is started to drive the auxiliary ring plate 116 to rotate, and under the action of the torsion springs between the auxiliary ring plate 116 and the buffer rotation plate 119, the buffer rotation plate 119 synchronously rotates, namely, the position of the protection support rod 117 and the buffer support rod 118 is adjusted.
The bottom plate 101 is further provided with a drop hammer driving assembly, the drop hammer driving assembly comprises an L-shaped supporting plate 107 and an impact rotating plate 134, the L-shaped supporting plate 107 is fixedly arranged on the bottom plate 101, the impact sliding seat 120 is symmetrically and slidably arranged on the L-shaped supporting plate 107, the impact rotating plate 134 is rotationally connected with the impact sliding seat 120, the end part of the impact rotating plate 134 is fixedly provided with an impact round block 108, the impact rotating plate 134 is symmetrically and fixedly provided with a fixed sliding sleeve 137, the impact sliding seat 120 is fixedly and slidably provided with a fixed sliding frame 136, and a spring is arranged between the fixed sliding frame 136 and the impact sliding seat 120.
An auxiliary fixing plate 139 is fixedly arranged between the two impact sliding seats 120, namely, the two impact sliding seats 120 are fixedly connected through the auxiliary fixing plate 139, a double-head electric cylinder 138 is fixedly arranged on the auxiliary fixing plate 139, two piston rods of the double-head electric cylinder 138 are respectively and fixedly connected with the corresponding fixing sliding seats 136, fixing short rods 135 are symmetrically and fixedly arranged on the fixing sliding seats 136, and the fixing short rods 135 are engaged with the corresponding fixing sliding sleeves 137 to limit the rotation of the impact rotating plates 134.
The two fixed carriages 136 are brought to the farthest positions from the impact turning plate 134 by the double-headed electric cylinder 138, and the fixed short bar 135 and the fixed slide 137 are not in contact at this time, that is, the impact round block 108 is in a pendulum test state at this time.
By driving the impact rotating plate 134 to rotate, the impact round block 108 is located right below the impact rotating plate 134, and then the double-headed electric cylinder 138 is started to drive the two fixed sliding carriages 136 to move towards the direction close to the impact rotating plate 134, the springs between the fixed sliding carriages 136 and the impact sliding seat 120 are compressed, so that the fixed short rods 135 on two sides of the impact rotating plate 134 are engaged with the corresponding fixed sliding sleeves 137, and the position of the impact rotating plate 134 is fixed, namely, the impact round block 108 is in a drop hammer test state.
The symmetrical sliding mounting on the L-shaped supporting plate 107 has a drop bar plate 146, the drop bar plate 146 is provided with a drop carriage 121, the impact sliding seat 120 is provided with fixed side plates 123 which are fixedly provided with lugs at the lower end of the drop carriage 121, the fixed side plates 123 are provided with grooves matched with the lugs at the lower end of the drop carriage 121, the drop bar plate 146 is provided with a driven gear 127 and a driven pulley 129 in a rotating manner, the drop carriage 121 is provided with a drop screw 122 which is fixedly provided with a drop screw 122, the drop screw 122 and the driven pulley 129 form a spiral pair, the driven gear 127 is provided with a pulley, and a drop conveyer 125 is arranged between the driven pulley 129 and the driven pulley 127.
The L-shaped supporting plate 107 is fixedly provided with a driving supporting plate 131, the driving supporting plate 131 is rotatably provided with a driving gear 128 and a drop hammer gear 130, the driving supporting plate 131 is fixedly provided with a drop hammer driving motor 132 and a height-adjusting motor 133, an output shaft of the drop hammer driving motor 132 is fixedly connected with the drop hammer gear 130, an output shaft of the height-adjusting motor 133 is fixedly connected with the driving gear 128, drop hammer racks 124 are fixedly arranged on drop hammer strip plates 146, the drop hammer racks 124 are meshed with the drop hammer gear 130 to form a gear rack pair, the driving gear 128 is fixedly provided with a driving toothed ring 126, the driving gear 128 is meshed with a driven gear 127 to form a gear pair, and the driving toothed ring 126 is meshed with the driven gear 127 to form the gear pair.
In the initial state, the protruding block at the lower end of the drop hammer carriage 121 and the groove on the fixed side plate 123 are in the engaged state, that is, the two drop hammer strip plates 146 are at the position nearest to the center of the driving gear 128, and the driven gear 127 is meshed with the driving gear 128 to form a gear pair.
When the impact round block 108 is in a drop test state, the drive gear 128 is driven to rotate by starting the height-adjusting motor 133, and then the two driven gears 127 are driven to rotate, and under the action of the drop conveyer belt 125, the driven belt pulley 129 is driven to rotate, and then the drop screw rod 122 is driven to move up and down, namely the drop sliding frame 121 is driven to move up and down, and then the impact sliding seat 120 is driven to move up and down, so that the position of the impact round block 108 is adjusted.
When the impact round block 108 moves to a designated height, the impact round block driving motor 132 is started to drive the impact round block gear 130 to rotate, and then the two driven gears 127 are driven to move in opposite directions, so that the impact round block plate 146 moves in a direction away from the center of the driving gear 128, namely, the impact round block carriage 121 moves in a direction away from the center of the driving gear 128, and further, the convex blocks at the lower end of the impact round block carriage 121 are disengaged from the grooves on the fixed side plates 123, namely, the impact round block carriage 108 is released from being fixed, the impact round block carriage 120 falls freely, namely, the impact round block 108 falls freely, and thus the impact round block test is realized.
While the impact round block 108 falls down, the drop hammer gear 130 is continuously rotated, so that the two drop hammer strip plates 146 are moved to be meshed with the driven gear 127 and the driving toothed ring 126, after the impact round block 108 falls down to the lowest end, the height adjusting motor 133 is started again to drive the driving gear 128 to rotate, namely, the driving toothed ring 126 is driven to rotate, under the action of the driving toothed ring 126, the two driven gears 127 are driven to rotate, the position of the drop hammer sliding frame 121 is adjusted, the protruding blocks at the lower end of the drop hammer sliding frame 121 are finally meshed with the grooves of the fixed side plates 123, and at the moment, the driven gears 127 and the driving gears 128 are meshed again.
The base plate 101 is further provided with a pendulum driving assembly, the pendulum driving assembly comprises a pendulum slide plate 142 slidably mounted on the impact slide plate 120 farthest from the transparent observation window 104, a spring is arranged between the pendulum slide plate 142 and the impact slide plate 120 farthest from the transparent observation window 104, a short rod is fixedly arranged on the impact slide plate 120 farthest from the transparent observation window 104, and the short rod on the impact slide plate 120 farthest from the transparent observation window 104 is used for limiting the moving position of the pendulum slide plate 142.
The pendulum slide plate 142 is rotatably provided with a linear rotating plate 144, the pendulum slide plate 142 is fixedly provided with a pendulum driving motor 141, the output shaft of the pendulum driving motor 141 and the linear rotating plate 144 are fixedly provided with belt wheels, a pendulum conveyor belt 143 is arranged between the belt wheel on the output shaft of the pendulum driving motor 141 and the belt wheel on the linear rotating plate 144, the side surface of the impact rotating plate 134 is fixedly provided with a pendulum driving circular plate 140, the pendulum driving circular plate 140 is fixedly provided with an auxiliary circular block 145, and the linear rotating plate 144 is used for driving the pendulum driving circular plate 140 to rotate.
The pendulum bob slide plate 142 is in sliding fit with the fixed carriage 136 farthest from the transparent observation window 104, and a spring is arranged between the pendulum bob slide plate 142 and the fixed carriage 136 farthest from the transparent observation window 104, and the strength of the spring between the pendulum bob slide plate 142 and the fixed carriage 136 farthest from the transparent observation window 104 is larger than that between the pendulum bob slide plate 142 and the impact slide 120 farthest from the transparent observation window 104.
When the impact round block 108 is in the pendulum test state, the impact round block 108 is directly under the impact turning plate 134, at this time, the fixed carriage 136 is at the position farthest from the impact turning plate 134, and the linear turning plate 144 is not contacted with the pendulum driving circular plate 140 and the auxiliary round block 145, the double-headed electric cylinder 138 is started to drive the two fixed carriages 136 to move towards the direction close to the impact turning plate 134, under the action of the spring between the pendulum sliding plate 142 and the fixed carriage 136 farthest from the transparent observation window 104, the pendulum sliding plate 142 slides synchronously, namely, after the pendulum sliding plate 142 contacts the short rod on the impact sliding seat 120 farthest from the transparent observation window 104, the pendulum sliding plate 142 cannot move continuously, at this time, the linear turning plate 144 contacts the end face of the pendulum driving circular plate 140, and at this time, the fixed short rod 135 is not contacted with the fixed sliding sleeve 137.
By starting the pendulum driving motor 141, under the action of the pendulum conveyer 143, the in-line rotating plate 144 is driven to rotate, so that the in-line rotating plate 144 contacts the auxiliary round block 145, and under the action of the in-line rotating plate 144, the pendulum is driven to rotate the round plate 140, so that the impact rotating plate 134 is driven to rotate, namely, the impact round block 108 is driven to rotate.
After the impact round block 108 moves to a specified height, the double-headed electric cylinder 138 is started to drive the two fixed carriages 136 to move away from the impact round plate 134, namely the straight round plate 144 is separated from contact with the auxiliary round block 145, namely the pendulum driving circular plate 140 can freely rotate at the moment, namely the impact round plate 134 can freely rotate, and the impact round block 108 can freely fall down, so that pendulum test is realized.
Working principle: opening two cover door plant 103, start the position adjustment motor 113 drive support swivel mount 105 and rotate for the position in the middle of two installation curb plates 109 is outside towards protecting the shell 102, if at this moment strike the round piece 108 and be in the state of falling the hammer, start auxiliary motor 115 drive auxiliary ring board 116 and rotate, make protection bracing piece 117 and buffering bracing piece 118 remove the top of installation curb plate 109, thereby realize the protection that strikes round piece 108 and fall the hammer state, strike round piece 108 in the pendulum state like this, then drive auxiliary ring board 116 and rotate, make buffering bracing piece 118 contact the edge of strike round piece 108, continue driving auxiliary ring board 116 and rotate, buffering bracing piece 118 can't continue to remove, auxiliary ring board 116 and buffer the torsional spring between the rotating plate 119 is compressed, make auxiliary ring board 116 remove to the unable position that takes place to remove for buffering bracing piece 118, and then realize the protection to strike round piece 108 pendulum hammer state, thereby avoid taking place unexpected impact round piece 108 and fall, cause the injury to the staff of below.
According to different aircraft components, the fixture mounting bottom plate 110 is replaced, namely the fixture 111 is replaced, the aircraft components are placed on the replaced fixture 111, and the support swivel base 105 is started again to drive the mounting side plate 109 to rotate, so that the mounting side plate 109 returns to the initial position.
If the aircraft component needs to be subjected to the drop hammer test, under the action of the double-head electric cylinder 138, the fixed short rod 135 is engaged with the fixed sliding sleeve 137, namely, the impact rotating plate 134 is fixed, at the moment, the impact round block 108 is positioned right below the impact rotating plate 134, the height adjusting motor 133 is started again to adjust the position of the drop hammer sliding frame 121, namely, the position of the impact round block 108 is adjusted, the auxiliary motor 115 is started to drive the auxiliary ring plate 116 to rotate, the protection supporting rod 117 and the buffer supporting rod 118 are moved to the side surface of the impact sliding frame 120, after the impact round block 108 is moved to a specified height, the drop hammer driving motor 132 is started to enable the convex block at the lower end of the drop hammer sliding frame 121 to be disengaged from the groove of the fixed side plate 123, namely, the impact sliding frame 120 is released, so that the impact round block 108 freely falls, and the drop hammer impact test is performed on the aircraft component on the lower tool clamp 111.
If the aircraft component breaks, the impact round block 108 continues to fall, so that the impact round block 108 contacts the buffer plate 112, the impact round block 108 is buffered and damped under the action of the spring between the supporting swivel base 105 and the buffer plate 112, after the impact round block 108 falls completely, the bump at the lower end of the drop hammer carriage 121 and the groove on the fixed side plate 123 are re-engaged under the cooperation of the drop hammer driving motor 132 and the height adjusting motor 133, and then the impact sliding base 120 moves upwards, so that the impact round block 108 moves upwards to return to the initial position.
If the pendulum test is required for the aircraft component, under the action of the double-head electric cylinder 138, the linear rotating plate 144 is in contact with the pendulum driving circular plate 140, the fixed short rod 135 is not connected with the fixed sliding sleeve 137, the pendulum driving motor 141 is started to drive the linear rotating plate 144 to rotate, and then the pendulum driving circular plate 140 is driven to rotate, namely the impact rotating plate 134 is driven to rotate, the position of the impact circular plate 108 is further adjusted, the auxiliary motor 115 is started to drive the auxiliary ring plate 116 to rotate, the protection supporting rod 117 and the buffer supporting rod 118 are enabled to move to the side surface of the mounting side plate 109, and after the impact circular plate 108 is moved to a specified height, under the action of the double-head electric cylinder 138, the linear rotating plate 144 is enabled to be separated from contact with the auxiliary circular plate 145, namely the pendulum driving circular plate 140 can freely rotate, namely the impact rotating plate 134 can rotate, so that the impact circular plate 108 freely falls down, and the pendulum test is carried out on the aircraft component on the tooling fixture 111 below.
If the aircraft component is broken, the impact round block 108 continues to swing, so that the impact round block 108 contacts the protection support rod 117, the impact round block 108 is buffered and damped under the action of the spring between the buffering rotating plate 119 and the auxiliary annular plate 116, and after the impact round block 108 stops moving, the impact round block 108 returns to the initial position under the cooperation of the double-head electric cylinder 138 and the pendulum driving motor 141.
The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the present invention without inventive labor, as those skilled in the art will recognize from the above-described concepts.
Claims (8)
1. The utility model provides an impact test device of aircraft component, includes bottom plate (101), and fixed mounting has protective housing (102) on bottom plate (101), and cover door plant (103) are installed in the rotation of symmetry on protective housing (102), and fixed being provided with transparent observation window (104), its characterized in that on protective housing (102):
an auxiliary assembly is arranged on the bottom plate (101), the auxiliary assembly comprises a supporting swivel base (105), installation side plates (109) are symmetrically and fixedly arranged on the supporting swivel base (105), clamp installation bottom plates (110) are slidably arranged on the installation side plates (109), and a tool clamp (111) is arranged on the clamp installation bottom plates (110);
the bottom plate (101) is further provided with a drop hammer driving assembly and a pendulum hammer driving assembly, the drop hammer driving assembly comprises an L-shaped supporting plate (107) and an impact rotating plate (134), the impact rotating plate (134) is symmetrically and slidably arranged on the L-shaped supporting plate (107) and is rotationally connected with the impact rotating plate (120), an impact round block (108) is fixedly arranged at the end part of the impact rotating plate (134), a fixed sliding sleeve (137) is symmetrically and fixedly arranged on the impact rotating plate (134), fixed sliding carriages (136) are slidably arranged on the impact rotating plate (120), fixed short rods (135) are symmetrically and fixedly arranged on the fixed sliding plates (136), the fixed short rods (135) and the corresponding fixed sliding sleeves (137) are jointed to limit the rotation of the impact rotating plate (134), the pendulum hammer driving assembly comprises a pendulum hammer sliding plate (142) which is slidably arranged on the impact sliding plate (120) farthest from the transparent observation window (104), a character-shaped rotating plate (144) is rotationally arranged on the pendulum hammer sliding plate (142), a pendulum hammer driving round block (140) is fixedly arranged on the side surface of the impact rotating plate (134), and a rotary driving round plate (140) is fixedly arranged on the rotary driving auxiliary round plate (145);
an auxiliary fixing plate (139) is fixedly arranged between the two impact sliding seats (120), a double-head electric cylinder (138) is fixedly arranged on the auxiliary fixing plate (139), and two piston rods of the double-head electric cylinder (138) are respectively and fixedly connected with the corresponding fixing sliding frames (136);
a pendulum driving motor (141) is fixedly arranged on the pendulum sliding plate (142), belt wheels are fixedly arranged on an output shaft of the pendulum driving motor (141) and the linear rotating plate (144), and a pendulum conveyor belt (143) is arranged between the belt wheels on the output shaft of the pendulum driving motor (141) and the belt wheels on the linear rotating plate (144);
under the action of the double-head electric cylinder (138), the two fixed carriages (136) are positioned at the farthest positions from the impact rotating plate (134), and the fixed short rod (135) and the fixed sliding sleeve (137) are not contacted at the moment, namely the impact round block (108) is in a pendulum test state at the moment;
through driving the impact rotating plate (134) to rotate, the impact round block (108) is positioned under the impact rotating plate (134), the double-head electric cylinder (138) is restarted to drive the two fixed sliding carriages (136) to move towards the direction close to the impact rotating plate (134), springs between the fixed sliding carriages (136) and the impact sliding seat (120) are compressed, and the fixed short rods (135) on two sides of the impact rotating plate (134) are engaged with the corresponding fixed sliding sleeves (137), so that the position of the impact rotating plate (134) is fixed, namely, the impact round block (108) is in a drop hammer test state.
2. An impact test device for aircraft components according to claim 1, wherein: the support swivel mount (105) is rotationally installed on the bottom plate (101), fixed electric cylinder (114) is fixedly installed on the side face of the installation side plate (109), a piston rod of the fixed electric cylinder (114) is in sliding fit with the corresponding clamp installation bottom plate (110), a buffer plate (112) is slidably installed on the support swivel mount (105), and a spring is arranged between the buffer plate (112) and the support swivel mount (105).
3. An impact test device for aircraft components according to claim 2, wherein: the auxiliary assembly further comprises an auxiliary supporting plate (106), an auxiliary annular plate (116) is rotatably mounted on the auxiliary supporting plate (106), a protection supporting rod (117) is fixedly arranged on the auxiliary annular plate (116), a buffering rotating plate (119) is rotatably mounted on the auxiliary annular plate (116), a torsion spring is arranged between the auxiliary annular plate (116) and the buffering rotating plate (119), and a buffering supporting rod (118) is fixedly arranged at the end part of the buffering rotating plate (119).
4. An impact test device for aircraft components according to claim 3, wherein: the drop hammer driving assembly further comprises a drop hammer strip plate (146) which is symmetrically and slidably arranged on the L-shaped supporting plate (107), a drop hammer sliding frame (121) is slidably arranged on the drop hammer strip plate (146), fixed side plates (123) are fixedly arranged on the impact sliding seat (120), protruding blocks are fixedly arranged at the lower ends of the drop hammer sliding frame (121), and grooves matched with the protruding blocks at the lower ends of the drop hammer sliding frame (121) are formed in the fixed side plates (123).
5. An impact test device for aircraft components as defined in claim 4, wherein: the drop hammer strip-shaped plate (146) is rotationally provided with a driven gear (127) and a driven belt pulley (129), the drop hammer sliding frame (121) is fixedly provided with a drop hammer screw rod (122), the drop hammer screw rod (122) and the driven belt pulley (129) form a screw pair, the driven gear (127) is fixedly provided with a belt pulley, and a drop hammer conveying belt (125) is arranged between the belt pulley and the driven belt pulley (129) on the driven gear (127).
6. An impact test device for aircraft components as defined in claim 5, wherein: drive backup pad (131) is fixed mounting on L shape backup pad (107), drive gear (128) and drop hammer gear (130) are installed in rotation on drive backup pad (131), drop hammer rack (124) are all fixed mounting on drop hammer strip shaped plate (146), drop hammer rack (124) all constitute rack and pinion with drop hammer gear (130) meshing, drive ring gear (126) are fixed mounting on drive gear (128), constitute the gear pair when drive gear (128) and driven gear (127) meshing, constitute the gear pair when drive ring gear (126) and driven gear (127) meshing.
7. An impact test device for aircraft components as defined in claim 6, wherein: the pendulum bob sliding plate (142) is in sliding fit with the fixed sliding frame (136) farthest from the transparent observation window (104), a spring is arranged between the pendulum bob sliding plate (142) and the impact sliding frame (120) farthest from the transparent observation window (104), and the strength of the spring between the pendulum bob sliding plate (142) and the fixed sliding frame (136) farthest from the transparent observation window (104) is larger than that between the pendulum bob sliding plate (142) and the impact sliding frame (120) farthest from the transparent observation window (104).
8. An impact test device for aircraft components as defined in claim 7, wherein: a short rod is fixedly arranged on the impact sliding seat (120) farthest from the transparent observation window (104), and the short rod on the impact sliding seat (120) farthest from the transparent observation window (104) is used for limiting the moving position of the pendulum bob sliding plate (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310675904.3A CN116519252B (en) | 2023-06-08 | 2023-06-08 | Impact test device for aircraft component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310675904.3A CN116519252B (en) | 2023-06-08 | 2023-06-08 | Impact test device for aircraft component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116519252A CN116519252A (en) | 2023-08-01 |
| CN116519252B true CN116519252B (en) | 2024-01-23 |
Family
ID=87392363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310675904.3A Active CN116519252B (en) | 2023-06-08 | 2023-06-08 | Impact test device for aircraft component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116519252B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353112A (en) * | 2016-08-25 | 2017-01-25 | 浙江理工大学 | Wheel impact fatigue testing machine for high-speed EMU |
| CN107817119A (en) * | 2017-12-06 | 2018-03-20 | 山东凯帝斯工业系统有限公司 | Motor turning part compressive stroke testing stand and its detection method |
| CN207528420U (en) * | 2017-12-14 | 2018-06-22 | 山东凯帝斯工业系统有限公司 | A kind of automatic decoupling device for being used for pendulum or falling weight impact test |
| CN115452620A (en) * | 2022-09-19 | 2022-12-09 | 山西工程技术学院 | Multi-azimuth drop hammer type dynamic load impact test method |
| CN115597812A (en) * | 2022-10-20 | 2023-01-13 | 太原理工大学（Cn） | Pendulum falling impact test system and method |
| CN219015833U (en) * | 2022-11-15 | 2023-05-12 | 云南北方光电仪器有限公司 | Pendulum bob protection device of pendulum bob type impact testing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY136233A (en) * | 2002-11-18 | 2008-08-29 | Univ Putra Malaysia | Pendulum impact test rig |
-
2023
- 2023-06-08 CN CN202310675904.3A patent/CN116519252B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353112A (en) * | 2016-08-25 | 2017-01-25 | 浙江理工大学 | Wheel impact fatigue testing machine for high-speed EMU |
| CN107817119A (en) * | 2017-12-06 | 2018-03-20 | 山东凯帝斯工业系统有限公司 | Motor turning part compressive stroke testing stand and its detection method |
| CN207528420U (en) * | 2017-12-14 | 2018-06-22 | 山东凯帝斯工业系统有限公司 | A kind of automatic decoupling device for being used for pendulum or falling weight impact test |
| CN115452620A (en) * | 2022-09-19 | 2022-12-09 | 山西工程技术学院 | Multi-azimuth drop hammer type dynamic load impact test method |
| CN115597812A (en) * | 2022-10-20 | 2023-01-13 | 太原理工大学（Cn） | Pendulum falling impact test system and method |
| CN219015833U (en) * | 2022-11-15 | 2023-05-12 | 云南北方光电仪器有限公司 | Pendulum bob protection device of pendulum bob type impact testing machine |
Non-Patent Citations (1)
| Title |
|---|
| 蒋亮亮 ; 孙金其 ; 廖龙杰 ; .落锤式冲击试验台的研究与设计.汽车零部件.2016,(05),34-37. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116519252A (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103712766B (en) | A kind of Full-automatic fuel tank balance weight impact testing machine | |
| CN201971451U (en) | Swinging, telescopic and rotating device | |
| CN116519252B (en) | Impact test device for aircraft component | |
| CN102645326B (en) | Automotive stabilizer bar fatigue test-bed structure | |
| CN113894755B (en) | Workstation and router laser marking machine of processing angularly adjustable | |
| CN211992387U (en) | Reciprocating structure and polishing device | |
| CN220322688U (en) | Spring fatigue degree detection equipment for spring production | |
| CN216622338U (en) | Supporting and protecting device of air monitor for environmental monitoring | |
| CN214603431U (en) | Polishing device for cylindrical rod body | |
| CN115504415A (en) | A cut fork tipping arrangement for combined material box | |
| CN114986606B (en) | Adjustable mobile phone screen protection film cutting device | |
| CN213381390U (en) | Automobile front end assembly assembling equipment | |
| CN114414206A (en) | Integrated module backlight aging test equipment | |
| CN114179940A (en) | Scraped car turning device | |
| CN211053403U (en) | Surface polishing device for aluminum alloy production | |
| CN220050673U (en) | Welding fixture for upper bracket of outer cylinder of automobile shock absorber | |
| CN216954432U (en) | Detection equipment for wisdom guardrail | |
| CN219695480U (en) | Foam detection device of gas spring support | |
| CN219192591U (en) | Combined type unmanned aerial vehicle engine position adjusting device and unmanned aerial vehicle | |
| CN214793733U (en) | Test bench for manufacturing vehicle-mounted head-up display equipment | |
| CN219223798U (en) | Cleanliness detection equipment | |
| CN221443201U (en) | Shock-absorbing device of impact table equipment | |
| CN221686081U (en) | Building engineering quality detection platform | |
| CN116256253B (en) | Anti-collision capability detection device for automotive interior panel | |
| CN219755845U (en) | Ambient air monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |