Vibration test bench for mechanical parts

Abstract

The utility model relates to the technical field of mechanical part vibration test, and discloses a vibration test bench used for mechanical parts, comprising a detection bench, a vibration test assembly arranged in the detection bench, a vibration bench arranged on the upper part of the detection bench, and a limiting assembly arranged in the vibration bench. Support legs are fixedly connected to two sides of the lower part of the detection table; the limiting assembly comprises a rotating rod, the rotating rod is rotatably connected to the interior of the vibration table, a rotating plate is fixedly connected to the exterior of the rotating rod, connecting plates are rotatably connected to the two sides of the exterior of the rotating plate, protruding blocks are fixedly connected to the two sides of the interior of the vibration table, and sliding blocks are slidably connected to the upper portions of the two protruding blocks. According to the utility model, during the vibration test of the mechanical part, the mechanical part can be conveniently limited and fixed, and unnecessary displacement and deformation of the part in the test can be avoided through limiting and fixing, so that the accuracy of vibration data is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical parts vibration test technical field especially relates to vibration test bench for mechanical parts. BACKGROUND

[0002] Mechanical parts refer to the part of mechanical equipment, machine, they are connected or combined together through various ways, complete specific function or task, each mechanical part usually has independent action, and works in coordination in the whole machine, and the vibration test bench of mechanical part is used for simulating and testing the vibration condition that mechanical part may encounter in the working process, thereby evaluating its performance and reliability.

[0003] When the vibration test bench detects the mechanical parts, first, the parts to be detected are placed on the upper part of the detection table, then the vibration assembly moves up and down with the vibration table, and the upper part of the mechanical parts is moved synchronously, after testing, the parts are taken off from the test table, then the appearance is checked, whether the parts have cracks, deformation, wear and tear and other signs, finally, the test result is evaluated to complete the test of the mechanical parts.

[0004] Although the existing vibration test can complete the test of the mechanical parts, but in the detection, the structure for fixing the mechanical parts is lacked, the parts are displaced or deformed in the vibration process, the behavior of the parts in the actual working state is changed, therefore, the vibration data obtained by the test can not truly reflect the dynamic response of the parts in the actual work, leading to the deviation of the test result, thereby reducing the accuracy of the test. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a vibration test bench for mechanical parts, aiming at improving the problem that in the detection, the structure for fixing the mechanical parts is lacked, the parts are displaced or deformed in the vibration process, the behavior of the parts in the actual working state is changed.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The vibration test bench for mechanical parts, including the detection table, the detection table is internally provided with the vibration test assembly, the detection table upper part is provided with the vibration table, the vibration table is internally provided with the limiting assembly, and the detection table lower part both sides are fixedly connected with the supporting leg.

[0008] The limiting assembly comprises a rotating rod, the rotating rod is rotationally connected in the interior of the vibration table, a rotating plate is fixedly connected outside the rotating rod, connecting plates are rotationally connected on both sides of the rotating plate, protrusions are fixedly connected on both sides in the interior of the vibration table, sliding blocks are slidingly connected on the upper portions of the two protrusions, mounting rods are fixedly connected on the upper portions of the two sliding blocks, mounting blocks are fixedly connected on the top portions of the two mounting rods, replacement assemblies are arranged on the upper portions of the two mounting blocks, fixing columns are inserted in the interiors of the two mounting blocks, clamping plates are fixedly connected outside the two fixing columns, an electric push rod is fixedly connected on the front side in the interior of the vibration table, a guide block is fixedly connected to the output end of the electric push rod, and the guide block is fixedly connected outside the right sliding block.

[0009] Further, the replacement assembly comprises a mounting pipe, the mounting pipe is fixedly connected on the upper portions of the two mounting blocks, a moving block is slidingly connected in the interior of the mounting pipe, a pull rod is fixedly connected on the upper portion of the moving block, a second spring is fixedly connected on the upper portion of the moving block, the second spring is sleeved outside the pull rod, and a plug rod is fixedly connected on the lower portion of the moving block.

[0010] Further, the vibration test assembly comprises a mounting plate, the mounting plate is fixedly connected in the interior of the detection table, a motor is fixedly connected in the middle portion of the mounting plate, a cam is fixedly connected to the output end of the motor, the upper portion of the cam is in contact with the bottom of the vibration table, telescopic rods are fixedly connected on the upper portion of the detection table, first springs are sleeved outside the plurality of telescopic rods, and the top portions of the plurality of telescopic rods are fixedly connected on the lower portion of the vibration table.

[0011] Further, protective pads are arranged outside the two clamping plates, and the two protective pads are made of rubber material.

[0012] Further, first through holes are formed on both sides of the upper portion of the vibration table, and the two mounting rods are slidingly connected in the interiors of the two first through holes.

[0013] Further, a second through hole is formed in the upper portion of the mounting pipe, the pull rod is slidingly connected in the interior of the second through hole, a third through hole is formed in the interior of the mounting block, and the plug rod is slidingly connected in the interior of the third through hole.

[0014] Further, a clamping groove is formed in the interior of the fixing column, and the plug rod is inserted into the clamping groove.

[0015] Further, an insertion groove is formed in the interior of the mounting block, and the fixing column is inserted into the insertion groove.

[0016] The utility model has the advantages of:

[0017] 1. In the utility model, when the mechanical parts vibration test, first the part is placed in the middle of two clamping plates, start electric push rod contraction, drive guide block, right side sliding block, right side connecting plate, rotating plate, left side connecting plate, left side sliding block move in turn, make two sliding blocks relative motion, and then drive mounting rod, mounting block, fixed column and clamping plate relative movement, clamping plate and protective pad and part both sides contact, realize the part limit, this process through limit and fixed, avoid the displacement and deformation of parts in the test, ensure the accuracy of vibration data.

[0018] 2. In the utility model, when testing different shape parts, pull the pull rod and make the moving block move upward, drive the plug rod and the second spring deformation, when the plug rod is separated from the clamping groove, the original clamping plate and fixed column can be taken out, replace the clamping plate of different shape, when installing, insert the fixed column into the insertion slot, after loosening the pull rod, the reaction force of the second spring makes the plug rod reinsert into the clamping groove, so as to complete the replacement of the clamping plate, improve the versatility and flexibility of the test equipment. DRAWINGS

[0019] Figure 1 It is the perspective view of the vibration test platform for mechanical parts provided by the utility model;

[0020] Figure 2 It is the support leg structure schematic view of the vibration test platform for mechanical parts provided by the utility model;

[0021] Figure 3 It is the detection platform internal structure schematic view of the vibration test platform for mechanical parts provided by the utility model;

[0022] Figure 4 It is the vibration table internal structure schematic view of the vibration test platform for mechanical parts provided by the utility model;

[0023] Figure 5 It is the mounting block internal structure schematic view of the vibration test platform for mechanical parts provided by the utility model;

[0024] Figure 6 It is the clamping plate split structure schematic view of the vibration test platform for mechanical parts provided by the utility model;

[0025] Figure 7 It is Figure 5 The enlarged view of structure in A of the utility model.

[0026] Legend:

[0027] 1, detection platform; 2, support leg; 3, mounting plate; 4, motor; 5, cam; 6, telescopic rod; 7, first spring; 8, vibration table; 9, electric push rod; 10, rotating rod; 11, rotating plate; 12, connecting plate; 13, sliding block; 14, protruding block; 15, guide block; 16, mounting rod; 17, mounting block; 18, fixed column; 19, clamping plate; 20, protective pad; 21, first through hole; 22, mounting pipe; 23, moving block; 24, second spring; 25, pull rod; 26, second through hole; 27, clamping groove; 28, third through hole; 29, insertion slot; 30, insertion rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] With reference to Figure 1 and Figure 4 An embodiment provided by the utility model: a vibration test platform for mechanical parts, comprising a detection platform 1, the detection platform 1 is internally provided with a vibration test assembly, the vibration test assembly is convenient for vibration test of the parts by being arranged, the detection platform 1 is provided with a vibration table 8 on the upper portion, the vibration table 8 is internally provided with a limiting assembly, the limiting assembly is convenient for lower limiting operation of the parts by being arranged, the detection platform 1 is fixedly connected with support legs 2 on both sides of the lower portion, the support legs 2 are convenient for supporting the detection platform 1 by being arranged.

[0030] The limiting assembly comprises a rotating rod 10 rotatably connected inside the vibration table 8, a rotating plate 11 fixedly connected outside the rotating rod 10, a connecting plate 12 rotatably connected outside the rotating plate 11, a protrusion 14 fixedly connected inside the vibration table 8, a sliding block 13 slidably connected to the upper part of the two protrusions 14, an installation rod 16 fixedly connected to the upper part of the two sliding blocks 13, an installation block 17 fixedly connected to the top of the two installation rods 16, a replacement assembly arranged on the upper part of the two installation blocks 17, a fixed column 18 inserted into the inside of the two installation blocks 17, a clamping plate 19 fixedly connected outside the two fixed columns 18, an electric push rod 9 fixedly connected to the front side of the inside of the vibration table 8, a guide block 15 fixedly connected to the outside of the right sliding block 13 and fixedly connected to the output end of the electric push rod 9, a first through hole 21 formed in the upper part of the two sides of the vibration table 8, the two installation rods 16 slidably connected inside the two first through holes 21, a protective pad 20 arranged outside the two clamping plates 19, the two protective pads 20 made of rubber material, the rubber material providing soft support to avoid direct contact between the metal clamping plate 19 and the surface of the parts, thereby reducing scratches, scratches or indentations on the surface of the parts, protecting the appearance and function of the parts, a slot 29 formed in the inside of the installation block 17, the fixed column 18 inserted into the slot 29, improving the stability of the installation of the fixed column 18, the electric push rod 9 driving the guide block 15, the guide block 15 driving the right sliding block 13 to slide, the right sliding block 13 connected to the rotating rod 10 through the connecting plate 12, the rotating rod 10 driving the two sliding blocks 13 to complete the approaching or moving away movement, and it should be noted that the angle between the rotating rod 10 and the connecting plate 12 will not be 180 degrees when the two clamping plates 19 approach the two ends of the vibration table 8, and such design avoids the jamming of the electric push rod 9 driving the guide block 15.

[0031] Specifically, when the mechanical parts are tested, the parts to be tested are first placed in the middle of the two clamping plates 19, then the electric push rod 9 is started to retract, the retraction of the electric push rod 9 drives the guide block 15 fixed at the output end to move, the guide block 15 drives the right sliding block 13 fixed outside to slide smoothly on the upper part of the right protrusion 14, with the movement of the right sliding block 13, it drives the right connecting plate 12 to move, the movement of the right connecting plate 12 further causes the rotating plate 11 connected with it to rotate, the rotating action of the rotating plate 11 drives the left connecting plate 12 to move correspondingly through external rotating connection, the movement of the left connecting plate 12 causes the left sliding block 13 connected outside to slide on the upper part of the left protrusion 14, through this series of mechanical transmission, the two sliding blocks 13 move relatively, with the relative movement of the two sliding blocks 13, they drive the two mounting rods 16 fixed on the upper part to move synchronously, the movement of the mounting rod 16 causes the mounting block 17 connected with it to move, the movement of the two mounting blocks 17 drives the two fixed columns 18 fixed inside to move, the movement of the fixed columns 18 finally causes the two clamping plates 19 fixed outside to move relatively, through this fixing mechanism, the two sides of the parts contact with the protective pad 20, thereby ensuring that the parts do not displace or deform unnecessarily during the vibration test, the material of the protective pad 20 is usually rubber material with high flexibility and friction coefficient, which can effectively reduce the sliding or deviation of the mechanical parts during vibration, at the same time, the protective pad 20 can also effectively buffer the impact force that may be generated during vibration, after limiting and fixing, the tester can start the vibration test assembly to start the vibration test of the mechanical parts, at this time, the parts are already in a stable test state, and the vibration data of the parts can be accurately collected without displacement or deformation, by limiting and fixing the mechanical parts, it can ensure that each test is carried out under the same conditions, thereby improving the accuracy and repeatability of the test.

[0032] Referring to Figure 5 , Figure 6 and Figure 7The replacement assembly comprises a mounting pipe 22 fixedly connected to the upper portions of the two mounting blocks 17, a moving block 23 slidably connected inside the mounting pipe 22, a pull rod 25 fixedly connected to the upper portion of the moving block 23, which facilitates the use of the operator, a second spring 24 fixedly connected to the upper portion of the moving block 23, which is sleeved outside the pull rod 25, a plug rod 30 fixedly connected to the lower portion of the moving block 23, a second through hole 26 formed in the upper portion of the mounting pipe 22, the pull rod 25 being slidably connected inside the second through hole 26, which facilitates the movement of the pull rod 25, a third through hole 28 formed in the mounting block 17, the plug rod 30 being slidably connected inside the third through hole 28, which facilitates the movement of the plug rod 30, and a clamping groove 27 formed in the fixing column 18, the plug rod 30 being inserted into the clamping groove 27, thereby improving the stability of the installation of the fixing column 18.

[0033] Specifically, when replacing the splints 19 of different shapes, first, the operator needs to pull the pull rod 25 upwards, at this time, the pull rod 25 drives the moving block 23 fixedly connected to the bottom thereof to move upwards along the inside of the mounting pipe 22, the upward movement of the moving block 23 directly drives the plug rod 30 fixedly connected to the lower portion thereof to move upwards as well, when the plug rod 30 is pulled, the moving block 23 will exert a pressing force on the second spring 24 outside, causing the second spring 24 to deform, the deformation of the second spring 24 is caused by its elastic properties, which plays a role in compression and recovery, providing necessary elastic support and safety protection for the entire structure, next, when the plug rod 30 is pulled and separated from its fixed position, i.e., the inside of the clamping groove 27, the operator can easily take out the originally fixed splint 19 and fixing column 18 from the inside of the mounting block 17, when replacing the splint 19, the operator needs to select a suitable new splint 19 and insert the fixing column 18 fixedly connected to the outside thereof into the insertion groove 29 formed in the inside of the fixing column 18, after the connection of the splint 19 and the fixing column 18 is completed, the operator can continue the installation process, finally, the operator releases the pull rod 25, and automatically inserts the plug rod 30 into the inside of the clamping groove 27 by using the reaction force of the second spring 24, thereby ensuring that the splint 19 and the fixing column 18 are firmly fixed in the mounting block 17, through the convenient replacement of the splint 19, the test equipment can be quickly adjusted according to the parts of different shapes and sizes, avoiding the trouble of stopping or reconfiguring the test equipment due to the incompatibility of the parts, the quick replacement mechanism of the splint 19 makes the test equipment more versatile and can cope with diversified testing needs, adapting to the parts of different products.

[0034] Referring to Figure 2 and Figure 3, the vibration test assembly includes a mounting plate 3 fixedly connected inside the detection table 1, a motor 4 fixedly connected in the middle of the mounting plate 3, the mounting plate 3 is convenient for fixing the motor 4, the output end of the motor 4 is fixedly connected with a cam 5, the upper part of the cam 5 is in contact with the bottom of the vibration table 8, the upper part of the detection table 1 is fixedly connected with a plurality of telescopic rods 6, a plurality of telescopic rods 6 are externally sleeved with a first spring 7, and the top of the plurality of telescopic rods 6 is fixedly connected around the lower part of the vibration table 8. The telescopic rod 6 and the first spring 7 play a role in assisting the vibration table 8 to move up and down.

[0035] When vibration testing, the motor 4 is started, the motor 4 rotates with the fixed cam 5 at the output end, the cam 5 rotates with the vibration table 8 at the upper part to move up, and at the same time, the four telescopic rods 6 and the four first springs 7 are stretched, when the top of the cam 5 is not in contact with the vibration table 8, the four telescopic rods 6 and the four first springs 7 reset with the vibration table 8 to move down, and the vibration table 8 moves up and down, and the mechanical parts fixed on the upper part move up and down at the same time, and the vibration test is completed by the up and down movement of the mechanical parts.

[0036] Working principle: when testing mechanical parts, first, the parts to be tested are placed in the middle of the two clamping plates 19, then the electric push rod 9 is started to retract, the electric push rod 9 retracts with the fixed guide block 15 at the output end, the guide block 15 moves with the right side slider 13 externally fixed to move on the upper part of the right side protrusion 14, the right side slider 13 moves with the right side connecting plate 12 to move, the right side connecting plate 12 moves with the externally rotatingly connected rotating plate 11 to rotate, the rotating plate 11 rotates with the externally left side rotatingly connected connecting plate 12 to move, the left side connecting plate 12 moves with the externally rotatingly connected left side slider 13 to move on the upper part of the left side protrusion 14, the two sliders 13 relatively move, the two sliders 13 relatively move with the two mounting rods 16 fixed on the upper part to move synchronously, the two mounting rods 16 move with the two mounting blocks 17 fixed on the top to move, the two mounting blocks 17 move with the two fixed columns 18 fixed inside to move, the two fixed columns 18 move with the two clamping plates 19 externally fixed to move, the two clamping plates 19 relatively move with the two protective pads 20 externally provided to contact the two sides of the mechanical parts to complete the positioning of the parts, finally, the vibration test assembly is started to complete the test, which realizes the positioning and fixing of the mechanical parts during vibration testing, and avoids unnecessary displacement and deformation of the parts during testing, thereby ensuring the accuracy of the vibration data;

[0037] In the test of different shapes of parts, first, pull up the pull rod 25 with the bottom fixed moving block 23 in the inside of the installation pipe 22 to move upward, with the lower fixed insertion rod 30 moving when the moving block 23 moves, at the same time, the second spring 24 outside the pull rod 25 is extruded when the moving block 23 moves with the insertion rod 30, so that the second spring 24 is deformed under stress, then, when the insertion rod 30 is separated from the inside of the clamping groove 27, the original clamping plate 19 and the fixed column 18 can be taken out from the inside of the installation block 17, and the clamping plate 19 of different shapes is replaced, when installing, the fixed column 18 outside the clamping plate 19 is inserted into the inside of the insertion slot 29 in the inside of the fixed column 18, then, the pull rod 25 is loosened, and the insertion rod 30 is inserted into the inside of the clamping groove 27 under the reaction force of the second spring 24, so that the clamping plate 19 can be replaced conveniently, and it is adapted to different shapes of parts, so that the versatility and flexibility of the test equipment are improved.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A vibration test bench for mechanical parts, comprising a test bench (1), characterized in that: The detection platform (1) is internally provided with a vibration test assembly, the upper portion of the detection platform (1) is provided with a vibration table (8), the vibration table (8) is internally provided with a limiting assembly, and the lower portion of the detection platform (1) is fixedly connected with supporting legs (2) on both sides. The limiting assembly comprises a rotating rod (10), the rotating rod (10) is rotatably connected in the interior of the vibration table (8), the rotating rod (10) is fixedly connected with a rotating plate (11) outside, the rotating plate (11) is rotatably connected with connecting plates (12) on both sides outside, the vibration table (8) is fixedly connected with protruding blocks (14) on both sides inside, the upper portions of the two protruding blocks (14) are slidably connected with sliding blocks (13), the upper portions of the two sliding blocks (13) are fixedly connected with mounting rods (16), the top portions of the two mounting rods (16) are fixedly connected with mounting blocks (17), the upper portions of the two mounting blocks (17) are provided with replacement assemblies, the interiors of the two mounting blocks (17) are inserted with fixed columns (18), the exteriors of the two fixed columns (18) are fixedly connected with clamping plates (19), the interior of the front side of the vibration table (8) is fixedly connected with an electric push rod (9), the output end of the electric push rod (9) is fixedly connected with a guide block (15), and the guide block (15) is fixedly connected outside the right sliding block (13).

2. The vibration test bench for mechanical parts according to claim 1, characterized in that: The replacement assembly comprises a mounting pipe (22), the mounting pipe (22) is fixedly connected to the upper portions of the two mounting blocks (17), the interior of the mounting pipe (22) is slidably connected with a moving block (23), the upper portion of the moving block (23) is fixedly connected with a pull rod (25), the upper portion of the moving block (23) is fixedly connected with a second spring (24), the second spring (24) is sleeved outside the pull rod (25), and the lower portion of the moving block (23) is fixedly connected with a plug rod (30).

3. The vibration test table for mechanical parts according to claim 1, characterized in that: The vibration test assembly comprises a mounting plate (3), the mounting plate (3) is fixedly connected in the interior of the detection platform (1), the middle portion of the mounting plate (3) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a cam (5), the upper portion of the cam (5) is in contact with the bottom of the vibration table (8), the upper portion of the detection platform (1) is fixedly connected with telescopic rods (6) on all sides, the exteriors of the plurality of telescopic rods (6) are sleeved with first springs (7), and the top portions of the plurality of telescopic rods (6) are fixedly connected to the lower portion of the vibration table (8) on all sides.

4. The vibration test table for mechanical parts according to claim 1, wherein: The exteriors of the two clamping plates (19) are provided with protective pads (20), and the materials of the two protective pads (20) are rubber materials. ​ 5. The vibration test table for mechanical parts according to claim 1, characterized in that: First through holes (21) are formed in the upper portions of the two sides of the vibration table (8), and the two mounting rods (16) are slidably connected in the interiors of the two first through holes (21).

6. The vibration test table for mechanical parts according to claim 2, wherein: A second through hole (26) is formed in the upper portion of the mounting pipe (22), the pull rod (25) is slidably connected in the interior of the second through hole (26), a third through hole (28) is formed in the interior of the mounting block (17), and the plug rod (30) is slidably connected in the interior of the third through hole (28). ​ 7. The vibration test table for mechanical parts according to claim 2, characterized in that: The fixing column (18) is internally provided with a clamping groove (27), and the inserting rod (30) is inserted with the clamping groove (27).

8. The vibration test table for mechanical parts according to claim 1, characterized in that: The mounting block (17) is internally provided with an inserting groove (29), and the fixing column (18) is inserted with the inserting groove (29).

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