CN115647131A - Axle type part straightener - Google Patents
Axle type part straightener Download PDFInfo
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- CN115647131A CN115647131A CN202211587179.6A CN202211587179A CN115647131A CN 115647131 A CN115647131 A CN 115647131A CN 202211587179 A CN202211587179 A CN 202211587179A CN 115647131 A CN115647131 A CN 115647131A
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- straightening
- supporting plate
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- rod
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Abstract
The invention discloses a shaft part straightening device, which relates to the field of relevant straightening machines and comprises a base, wherein two supporting plates are symmetrically and fixedly arranged on the base, a pushing mechanism is symmetrically arranged on one side, away from each other, of each supporting plate, each pushing mechanism comprises a first electric sliding rail symmetrically arranged on the base, a shaft neck in a non-straightening position is in contact limit through a first limiting supporting plate and a second limiting supporting plate in each limiting mechanism, the second limiting supporting plate can effectively adapt to different angles of a crankshaft connecting rod, the height position of the shaft neck of the connecting rod and the axial center distance between the shaft neck of the connecting rod and a main shaft neck through an angle adjusting mechanism, the adaptability is high, the crankshaft connecting rod is clamped, fixed and limited through a telescopic assembly while the shaft neck in the non-straightening position is in contact limit, so that deformation caused by the influence of the current process on other non-straightening positions is effectively avoided, the straightening work quality is improved, and the straightening accuracy is ensured.
Description
Technical Field
The invention relates to the field of relevant straightening machines, in particular to a shaft part straightening device.
Background
The shaft parts are indispensable components in various power equipment and transmission equipment, and the dimensional accuracy requirement of processing is higher, when the shaft parts have a bending condition, in the rotating process, the deformation is easily aggravated, the normal transmission operation is influenced, the equipment is caused to generate abnormal sound and even finally damaged and cannot operate, wherein the crankshaft of the engine has more strict accuracy requirement due to the requirements of high rotating speed and high performance, and the prior art comprises the following steps: most of engine crankshaft straightening machines (CN 202023312313.0) are designed to perform straightening in an operation mode of detecting a problem location and directly performing pressure straightening on the problem location, however, in this process, due to the structural characteristics of the crankshaft, when the problem location is straightened, the stress on other crank throw positions of the crankshaft is different from that on the main journal, so that deformation is easily generated, and particularly, the deformation is more obvious for a crankshaft with a smaller shaft diameter, so that the straightened crankshaft still has some problems and may be directly skipped over, and the final straightening effect is deviated.
Disclosure of Invention
The invention provides a shaft part straightening device to solve the technical problem.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A shaft part straightening device comprises a base, wherein two supporting plates are symmetrically and fixedly arranged on the base, the sides of the supporting plates far away from each other are symmetrically provided with a pushing mechanism which comprises first electric slide rails symmetrically arranged on the base, the first electric slide rails are respectively positioned at the sides far away from the supporting plate, electric slide blocks are arranged on the first electric slide rails in a sliding way, a supporting column is fixedly arranged on the end surface of the top side of the electric sliding block, a pushing module is fixedly arranged on the top end of the supporting column, a conical head pushing block is arranged on one side opposite to the pushing module, a pressing mechanism is arranged on the base, the pressing mechanism comprises a second electric slide rail arranged on the base, a pressure straightening module is arranged on the second electric slide rail in a sliding manner, the top side extension end of the pressure straightening module comprises a hydraulic telescopic arm, the bottom end of the hydraulic telescopic arm is fixedly provided with an extrusion block, a limiting mechanism is arranged between the supporting plates, the limiting mechanism comprises supporting tables which are uniformly distributed and fixed on the top side end surface of the base and are positioned between the supporting plates, a first supporting plate sliding cylinder is arranged on the top side of the supporting table, a first limiting supporting plate is arranged in the first supporting plate sliding cylinder in a sliding manner, the limiting mechanism is internally provided with an angle adjusting mechanism which comprises rotating shafts which are rotatably arranged between the supporting platforms and between the supporting plate and the supporting platforms, a first hinge block is rotatably arranged on the rotating shaft, a turnover block is fixedly arranged on the first hinge block, a second supporting plate sliding cylinder is arranged on the top side of the overturning block, the second supporting plate sliding cylinder is connected with the overturning block through a sliding component, and a second limiting supporting plate is arranged in the second supporting plate sliding barrel in a sliding mode, and a telescopic assembly is arranged at the position, close to the top side, of the second limiting supporting plate.
Preferably, the straightening device for the shaft parts is controlled and operated by an externally connected control system.
Preferably, the angle adjusting mechanism comprises third hinge blocks symmetrically arranged on the top end face of the base and located on the bottom side of the turnover block, fourth hinge blocks symmetrically arranged on the bottom end face of the turnover block, a hydraulic telescopic rod is rotatably connected to the third hinge blocks, and the tail ends of the telescopic parts of the hydraulic telescopic rod are rotatably connected with the fourth hinge blocks on the same side.
Preferably, the bottom side of each overturning block is provided with two hydraulic telescopic rods in total, and when one hydraulic telescopic rod extends, the other hydraulic telescopic rod contracts, so that the overturning angle of the overturning block is controlled, and the stable supporting effect is kept.
Preferably, the sliding assembly comprises a T-shaped groove formed in the turnover block, a translation sliding block is arranged in the T-shaped groove in a sliding mode, and the bottom end of the second supporting plate sliding barrel is fixedly connected with the translation sliding block.
Preferably, a first motor is fixedly arranged in the T-shaped groove, a screw rod is fixedly mounted on a motor shaft of the first motor, the tail end of the screw rod is rotatably connected with the inner wall of the T-shaped groove, and the translation sliding block is in threaded connection with the screw rod.
Preferably, flexible subassembly is including lining up and locating mounting groove on the spacing layer board of second, the symmetry is equipped with two cylinders in the mounting groove, the fixed drum that is equipped with in telescopic part end of cylinder, fixed drum runs through and rotates and be connected with the rotary rod, the intermediate position circumference terminal surface of rotary rod has the tooth's socket, the intermediate position of fixed drum link up and is equipped with the meshing groove, the fixed second motor that is equipped with in fixed drum outside, the motor shaft fixed mounting of second motor has the gear, the gear pass the meshing groove with the tooth's socket meshing of rotary rod.
Preferably, both ends of the rotating rod are symmetrically and fixedly provided with limiting blocks.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
The limit mechanism of the invention respectively carries out contact limit on the shaft neck at the non-straightening position through the first limit supporting plate and the second limit supporting plate, the angle adjusting mechanism enables the second limit supporting plate to effectively adapt to different angles of a crankshaft connecting rod, the height position of the connecting rod shaft neck and the axle center distance between the connecting rod shaft neck and a main axle neck, the adaptability is strong, and the shaft neck at the non-straightening position is in contact limit and is matched with the telescopic assembly to clamp, fix and limit the crankshaft connecting rod, thereby effectively avoiding deformation caused by the influence of the current straightening process on other non-straightening positions, improving the straightening working quality and ensuring the straightening accuracy.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the embodiment of the present invention at "A" in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a second retainer plate according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at "B" in FIG. 3;
FIG. 5 is a cross-sectional plan view of the location of a second stop pallet according to an embodiment of the invention;
FIG. 6 is an enlarged schematic view at "C" in FIG. 5 according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional structural view of the position of the first limiting supporting plate according to the embodiment of the invention.
In the figure: 11. a base; 12. a support plate; 13. a first motorized slide rail; 14. an electric slider; 15. a support pillar; 16. a push-against module; 17. the conical head pushes against the pushing block; 18. a second electric slide rail; 19. a pressure straightening module; 20. a hydraulic telescopic arm; 21. extruding the block; 22. a support table; 23. a first pallet slide drum; 24. a first limit supporting plate; 25. a rotating shaft; 26. a first hinge block; 27. turning over the block; 28. a T-shaped slot; 29. a translation slide block; 30. a first motor; 31. a screw; 32. a second pallet slide; 33. a second limit supporting plate; 34. a hydraulic telescopic rod; 35. a third hinge block; 36. a fourth hinge block; 37. mounting grooves; 38. a cylinder; 39. a fixed cylinder; 40. rotating the rod; 41. an engagement groove; 42. a second motor; 43. a gear; 44. and a limiting block.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
The shaft part straightening device comprises a base 11, two supporting plates 12 are symmetrically and fixedly arranged on the base 11, the supporting plates 12 are symmetrically arranged on one side away from each other and are symmetrically provided with a pushing mechanism, the pushing mechanism comprises first electric sliding rails 13 symmetrically arranged on the base 11, the first electric sliding rails 13 are respectively arranged on one side away from each other of the supporting plates 12, an electric sliding block 14 is arranged on the first electric sliding rails 13 in a sliding manner, a supporting column 15 is fixedly arranged on the top side end face of the electric sliding block 14, a pushing module 16 is fixedly arranged on the top end of the supporting column 15, a conical head pushing block 17 is arranged on one side opposite to the pushing module 16, a pressing mechanism is arranged on the base 11 and comprises a second electric sliding rail 18 arranged on the base 11, a pressure straightening module 19 is arranged on the second electric sliding rail 18 in a sliding manner, a top side extending end of the pressure straightening module 19 comprises a hydraulic telescopic arm 20, a bottom fixing extrusion block 21 is arranged on the hydraulic telescopic arm 20, a limiting mechanism is arranged between the supporting plates 12, the limiting mechanism comprises a first sliding block 22 fixedly arranged on the top side end face of the supporting plate 11, a rotating block 26 and a rotating shaft adjusting mechanism 26, a first rotating block 23 is arranged between the supporting plates 22 and a rotating cylinder 23, the supporting plate 32 is arranged on the supporting plate 22, the second supporting plate sliding cylinder 32 is internally provided with a second limiting supporting plate 33 in a sliding mode, a telescopic assembly is arranged at a position, close to the top side, of the second limiting supporting plate 33, in the process of straightening nonstandard parts of the crankshaft, the second supporting plate sliding cylinder 32 is adjusted to an adaptive angle through an angle adjusting mechanism according to the state of the crankshaft at the moment, then the connecting rod at the crank position of the crankshaft is limited and fixed through the telescopic assembly, and the straightening process is prevented from influencing other parts except the straightening position.
Advantageously, both the motorized slide 14 and the pressure straightening module 19 comprise power means for driving the displacement.
Advantageously, the straightening device for shaft parts is controlled by an externally connected control system.
Beneficially, the top ends of the first limiting supporting plate 24 and the second limiting supporting plate 33 are in a V-shaped notch shape, and the first supporting plate sliding cylinder 23 and the second supporting plate sliding cylinder 32 are both connected with a hydraulic control system to control the lifting of the first limiting supporting plate 24 and the second limiting supporting plate 33.
Advantageously, the hydraulic telescopic arm 20 can be adjusted to a small extent in the top extension of the pressure straightening module 19, and the connection between the hydraulic telescopic arm 20 and the pressure straightening module 19 is moved in a direction perpendicular to the direction of movement of the pressure straightening module 19 and parallel to the top end face of the base 11.
Beneficially, the angle adjusting mechanism includes third hinged blocks 35 symmetrically disposed on the top end face of the base 11 and located on the bottom side of the turning block 27, fourth hinged blocks 36 symmetrically disposed on the bottom end face of the turning block 27, a hydraulic telescopic rod 34 is rotatably connected to the third hinged blocks 35, and the tail end of the telescopic portion of the hydraulic telescopic rod 34 is rotatably connected to the fourth hinged blocks 36 on the same side.
Advantageously, there are two said hydraulic telescopic rods 34 on the bottom side of each said turning block 27, wherein when one said hydraulic telescopic rod 34 is extended, the other said hydraulic telescopic rod 34 is retracted, thereby controlling the turning angle of said turning block 27 and acting as a stable support.
Advantageously, the sliding assembly comprises a T-shaped groove 28 opened on the turning block 27, a translation sliding block 29 is slidably arranged in the T-shaped groove 28, and the bottom end of the second pallet sliding cylinder 32 is fixedly connected with the translation sliding block 29.
Advantageously, a first motor 30 is fixedly arranged in the T-shaped groove 28, a screw rod 31 is fixedly arranged on a motor shaft of the first motor 30, the end of the screw rod 31 is rotatably connected with the inner wall of the T-shaped groove 28, and the translation sliding block 29 is in threaded connection with the screw rod 31.
Advantageously, the telescopic assembly comprises a mounting groove 37 penetrating through the second limiting supporting plate 33, two air cylinders 38 are symmetrically arranged in the mounting groove 37, a fixed cylinder 39 is fixedly arranged at the tail end of a telescopic part of each air cylinder 38, the fixed cylinder 39 penetrates through and is rotatably connected with a rotating rod 40, a tooth groove is formed in the circumferential end surface of the middle position of the rotating rod 40, an engaging groove 41 is formed in the middle position of the fixed cylinder 39, a second motor 42 is fixedly arranged on the outer side of the fixed cylinder 39, a gear 43 is fixedly arranged on a motor shaft of the second motor 42, and the gear 43 penetrates through the engaging groove 41 to be engaged with the tooth groove of the rotating rod 40.
Advantageously, the two ends of the rotating rod 40 are symmetrically and fixedly provided with a limit block 44, and the limit block 44 is provided with a trapezoidal notch.
The use method of the invention comprises the following steps:
in the initial state: the turning block 27 is in a horizontal state, the translation slide block 29 is located at the middle position of the stroke, the first limit supporting plate 24 is received in the first supporting plate sliding barrel 23, the second limit supporting plate 33 is received in the second supporting plate sliding barrel 32, and the air cylinder 38 is in a contraction state.
During the use, aim at the conical head that both sides were supported ejector pad 17 respectively with the free end of bent axle and output, then control electronic slider 14 through external connection's control system control moves in opposite directions for conical head supports ejector pad 17 and tightly offsets with the free end of bent axle and output respectively, makes the crank throw position of bent axle correspond the position of second layer board slide cylinder 32 and second spacing layer board 33, and the main journal of bent axle corresponds first layer board slide cylinder 23 and the position of first spacing layer board 24.
Then, the control system controls the abutting module 16 to drive the cone head abutting block 17 to rotate, so that the crankshaft rotates along with the cone head abutting block, and simultaneously, the test sensor detects whether an unqualified value exists in each size numerical value of the crankshaft, so that the radian bulge of the journal bending position of the crankshaft stops towards the top side, then the pressure straightening module 19 stops and controls the extrusion block 21 to align with the problem part of the crankshaft through the control system, the first limit supporting plate 24 is controlled to lift through the connected hydraulic control system to contact with the spindle diameter (if the current straightening problem position is the spindle journal, the pressure straightening module contacts with the spindle diameter outside the current problem position), meanwhile, according to the angle of the crankshaft connecting rod and the height position of the connecting rod journal, the hydraulic telescopic rod 34 in the corresponding position is controlled to extend or contract, so that the reversing block 27 reverses the angle, the control system automatically controls the first motor 30 to start, the first motor 30 drives the screw rod 31 to rotate, drives the translation sliding block 29 to move through threaded connection, so that the second limit supporting plate 33 aligns with the connecting rod journal in the corresponding position, the connecting rod journal, the connecting rod rotates, the connecting rod 33 controls the rotating rod 33 to contact with the rotating rod fixing cylinder 44, so that the crankshaft contacts with the second limit supporting plate 38, and the crankshaft connecting rod 33, and the straightening cylinder rotates, and the crankshaft connecting rod 33 rotates, and the straightening cylinder rotates, and the second limit supporting plate 33 rotates, and the crankshaft contacts with the second limit supporting plate 33 when the crankshaft is controlled by the connecting rod 33, and then the telescopic part of the hydraulic telescopic arm 20 is controlled to extend towards the bottom side to drive the extrusion block 21 to descend, and the problem position of the crankshaft is pressed and straightened, so that the condition that deformation is caused due to influence on other problem-free positions of the crankshaft in the straightening process is avoided.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides an axle type part straightener, includes base (11), its characterized in that: the automatic hydraulic straightening machine is characterized in that two supporting plates (12) are symmetrically and fixedly arranged on the base (11), the supporting plates (12) are symmetrically arranged on one sides away from each other, a pushing mechanism is arranged on one sides away from each other, the pushing mechanism comprises first electric sliding rails (13) symmetrically arranged on the base (11), the first electric sliding rails (13) are respectively arranged on one sides away from each other of the supporting plates (12), electric sliding blocks (14) are arranged on the first electric sliding rails (13) in a sliding manner, supporting columns (15) are fixedly arranged on the top side end surfaces of the electric sliding blocks (14), pushing modules (16) are fixedly arranged on the top ends of the supporting columns (15), conical head pushing blocks (17) are arranged on one sides opposite to the pushing modules (16), a pressing mechanism is arranged on the base (11), the pressing mechanism comprises second electric sliding rails (18) arranged on the base (11), a pressure straightening module (19) is arranged on the top side of the second electric sliding rails (18) in a sliding manner, the top extending end of the pressure straightening module (19) comprises a hydraulic telescopic arm (20), extrusion blocks (21) are fixedly arranged at the bottom ends of the hydraulic telescopic arm (20), two supporting plates (12) are arranged between the supporting plates, limiting mechanisms are uniformly arranged on the base (11), and a supporting plate (22) and evenly arranged between the supporting tables (22), slide in first layer board slide cartridge (23) and be equipped with first spacing layer board (24), including angle adjustment mechanism in the stop mechanism, angle adjustment mechanism locates including rotating between the brace table (22) and backup pad (12) with pivot (25) between brace table (22), it is equipped with first articulated piece (26) to rotate on pivot (25), fixed turning block (27) that are equipped with on first articulated piece (26), turning block (27) top side is equipped with second layer board slide cartridge (32), second layer board slide cartridge (32) with connect through sliding assembly between turning block (27), slide in second layer board slide cartridge (32) and be equipped with second spacing layer board (33), second spacing layer board (33) are close to the top side position and are equipped with flexible subassembly.
2. The shaft part straightening device according to claim 1, wherein: the shaft part straightening device is controlled and operated by a control system connected with the outside.
3. The shaft part straightening device according to claim 1, wherein: angle adjustment mechanism locates including the symmetry base (11) top side end face just is located the third articulated piece (35) of upset piece (27) bottom side, upset piece (27) bottom side end face symmetry is equipped with the articulated piece of fourth (36), it is connected with a hydraulic telescoping rod (34) to rotate on third articulated piece (35), the flexible part end and the homonymy of hydraulic telescoping rod (34) the articulated piece of fourth (36) are rotated and are connected.
4. The shaft part straightening device according to claim 3, wherein: the bottom side of each overturning block (27) is provided with two hydraulic telescopic rods (34), when one hydraulic telescopic rod (34) extends, the other hydraulic telescopic rod (34) contracts, so that the overturning angle of the overturning block (27) is controlled, and the effect of keeping stable support is achieved.
5. The shaft part straightening device according to claim 1, wherein: the sliding assembly comprises a T-shaped groove (28) formed in the turnover block (27), a translation sliding block (29) is arranged in the T-shaped groove (28) in a sliding mode, and the bottom end of the second supporting plate sliding barrel (32) is fixedly connected with the translation sliding block (29).
6. The shaft part straightening device according to claim 5, wherein: t-slot (28) internal fixation is equipped with first motor (30), the motor shaft fixed mounting of first motor (30) has screw rod (31), screw rod (31) end with T-slot (28) inner wall rotates and is connected, translation slider (29) with screw rod (31) threaded connection.
7. The shaft part straightening device according to claim 1, wherein: the flexible subassembly is including link up locating mounting groove (37) on second spacing layer board (33), the interior symmetry of mounting groove (37) is equipped with two cylinders (38), the fixed drum (39) that are equipped with in telescopic part end of cylinder (38), fixed drum (39) are run through and are rotated and be connected with rotary rod (40), the intermediate position circumference terminal surface of rotary rod (40) has the tooth's socket, the intermediate position of fixed drum (39) is link up and is equipped with meshing groove (41), the fixed second motor (42) that is equipped with in fixed drum (39) outside, the motor shaft fixed mounting of second motor (42) has gear (43), gear (43) pass meshing groove (41) with the tooth's socket meshing of rotary rod (40).
8. The shaft part straightening device according to claim 7, wherein: the two ends of the rotating rod (40) are symmetrically and fixedly provided with limit blocks (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211587179.6A CN115647131B (en) | 2022-12-12 | 2022-12-12 | Axle type part straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211587179.6A CN115647131B (en) | 2022-12-12 | 2022-12-12 | Axle type part straightener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115647131A true CN115647131A (en) | 2023-01-31 |
| CN115647131B CN115647131B (en) | 2023-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211587179.6A Active CN115647131B (en) | 2022-12-12 | 2022-12-12 | Axle type part straightener |
Country Status (1)
| Country | Link |
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| CN (1) | CN115647131B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08174073A (en) * | 1994-12-27 | 1996-07-09 | Suzuki Motor Corp | Strain straightening device of crank assembly |
| JP2002172424A (en) * | 2000-11-30 | 2002-06-18 | Nippon Gauge Kk | Unit for straightening assembled crankshaft |
| US6408663B1 (en) * | 2001-02-23 | 2002-06-25 | Short Block Technologies, Inc. | Method and apparatus for truing crankshafts |
| JP2011224621A (en) * | 2010-04-20 | 2011-11-10 | Honda Motor Co Ltd | Method for correcting deflection of crankshaft |
| CN107088595A (en) * | 2017-06-01 | 2017-08-25 | 上海理工大学 | A kind of bent axle pressure straightening apparatus and method of integrated axle journal roundness measurement |
| CN207357823U (en) * | 2017-09-08 | 2018-05-15 | 内江金鸿曲轴有限公司 | Crankshaft alignment frock |
| JP2021084124A (en) * | 2019-11-27 | 2021-06-03 | 愛知製鋼株式会社 | Crank shaft correcting metal mold |
| CN215701152U (en) * | 2021-09-08 | 2022-02-01 | 安徽易恒机械有限公司 | A centre gripping equipment for bent axle processing |
-
2022
- 2022-12-12 CN CN202211587179.6A patent/CN115647131B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08174073A (en) * | 1994-12-27 | 1996-07-09 | Suzuki Motor Corp | Strain straightening device of crank assembly |
| JP2002172424A (en) * | 2000-11-30 | 2002-06-18 | Nippon Gauge Kk | Unit for straightening assembled crankshaft |
| US6408663B1 (en) * | 2001-02-23 | 2002-06-25 | Short Block Technologies, Inc. | Method and apparatus for truing crankshafts |
| JP2011224621A (en) * | 2010-04-20 | 2011-11-10 | Honda Motor Co Ltd | Method for correcting deflection of crankshaft |
| CN107088595A (en) * | 2017-06-01 | 2017-08-25 | 上海理工大学 | A kind of bent axle pressure straightening apparatus and method of integrated axle journal roundness measurement |
| CN207357823U (en) * | 2017-09-08 | 2018-05-15 | 内江金鸿曲轴有限公司 | Crankshaft alignment frock |
| JP2021084124A (en) * | 2019-11-27 | 2021-06-03 | 愛知製鋼株式会社 | Crank shaft correcting metal mold |
| CN215701152U (en) * | 2021-09-08 | 2022-02-01 | 安徽易恒机械有限公司 | A centre gripping equipment for bent axle processing |
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| Publication number | Publication date |
|---|---|
| CN115647131B (en) | 2023-03-14 |
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