CN113012511A - Single-degree-of-freedom system mechanical vibration comprehensive experiment instrument - Google Patents

Single-degree-of-freedom system mechanical vibration comprehensive experiment instrument Download PDF

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Publication number
CN113012511A
CN113012511A CN202110242351.3A CN202110242351A CN113012511A CN 113012511 A CN113012511 A CN 113012511A CN 202110242351 A CN202110242351 A CN 202110242351A CN 113012511 A CN113012511 A CN 113012511A
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CN
China
Prior art keywords
device main
main body
vibration
fixed mounting
plate
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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.)
Pending
Application number
CN202110242351.3A
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Chinese (zh)
Inventor
张文通
许光旭
曹蓉
何川
苏彩霞
杨俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
Jiangsu Shengze Hospital
Original Assignee
Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
Jiangsu Shengze Hospital
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Publication date
Application filed by Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University, Jiangsu Shengze Hospital filed Critical Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
Priority to CN202110242351.3A priority Critical patent/CN113012511A/en
Publication of CN113012511A publication Critical patent/CN113012511A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00Simulators for teaching or training purposes

Abstract

The invention discloses a single-degree-of-freedom system mechanical vibration comprehensive experiment instrument which comprises a device main body, wherein a movable wheel is fixedly arranged at the bottom of the device main body, a telescopic rod is fixedly arranged at the bottom of the device main body, a brake bottom plate is fixedly arranged at the bottom end of the telescopic rod, and a control device is fixedly arranged at one end of the device main body. The telescopic rod is arranged at the bottom of the device main body and connected with the brake bottom plate, so that different lengths of the telescopic rod can be driven, the angle of the device main body is adjusted, a tilting environment can be simulated, meanwhile, the rotary threaded rod is arranged in the device main body and is in threaded sleeve joint with the vibration device, the position of the vibration device can be adjusted through the rotation of the rotary threaded rod, the buffer of side vibration is simulated, the simulation truth of the device is improved, the accuracy of an experimental structure is guaranteed, and the practicability of the device is improved.

Description

Single-degree-of-freedom system mechanical vibration comprehensive experiment instrument
Technical Field
The invention relates to the field of vibration comprehensive experiment devices, in particular to a mechanical vibration comprehensive experiment instrument of a single-degree-of-freedom system.
Background
The mechanical vibration testing machine is suitable for simulating transportation tests of products such as toys, electronics, furniture, gifts, ceramics, packages and the like, and meets the standard: the mechanical vibration testing machine conforms to the transport standards of the United states and Europe and the EN, ANSI, UL, ASTM and ISTA international transport standards so as to ensure the quality of products, avoid the products from being damaged during transportation and detect some unqualified products.
But current device does not have the function that can height-adjusting when experimenting to when using, often can appear highly not enough, lead to the vibration experiment, accurate inadequately, make the experimental result not possess the objectivity, thereby influence the safety of transportation, and current device all can only simulate even vibration, make the condition of unable complete reduction reality, simulate relatively poorly.
In order to solve the problems, the application provides a single-degree-of-freedom system mechanical vibration comprehensive experiment instrument.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a single-degree-of-freedom system mechanical vibration comprehensive experiment instrument which has the characteristics of real simulation, accurate experiment structure and free lifting.
(II) technical scheme
In order to solve the technical problems, the invention provides a single-degree-of-freedom system mechanical vibration comprehensive experiment instrument which comprises a device main body, wherein the bottom of the device main body is fixedly provided with a movable wheel, the bottom of the device main body is fixedly provided with a telescopic rod, the bottom end of the telescopic rod is fixedly provided with a brake bottom plate, one end of the device main body is fixedly provided with a control device, the other end of the device main body is fixedly provided with a fixed frame, the fixed frame is movably connected with a portable pushing handle, the inside of the device main body is movably sleeved with a rotary threaded rod, the upper thread of the rotary threaded rod is sleeved with a vibration device, the top end of the vibration device is fixedly sleeved with a vibration rod, the middle part of the device main body is movably sleeved with a vibration simulation plate, two sides of the upper surface of the device main body are, one side fixed mounting of slip thread piece has the position fixing plate, sliding connection has the collateral branch fagging in the position fixing plate, collateral branch fagging sliding connection has the maintenance button, the top fixed mounting of maintenance button has the grip block, the middle part fixed mounting of collateral branch fagging has the upper bracket, the buffer beam has been cup jointed in the middle part activity of upper bracket, the bottom fixed mounting of buffer beam has the holding down plate.
Preferably, the middle part of device main part has been seted up and has been worked the groove, vibrating device and vibration simulation board all set up work the inslot, and vibrating device's bottom sliding connection be in the bottom in device main part work groove, the both ends sliding connection of vibration simulation board is in the both sides in device main part work groove, and the both sides activity of vibration simulation board has cup jointed the gag lever post, the bottom fixed mounting of gag lever post is in on the inner wall of device main part.
Preferably, the number of the telescopic rods is two, the two telescopic rods independently run, and the brake bottom plate connected with the bottom ends of the telescopic rods is of an anti-skidding structure.
Preferably, the inside activity of bracing piece has cup jointed adjusting threaded rod, adjusting threaded rod's top is run through the top of bracing piece and is cup jointed with last knob is fixed, and adjusting threaded rod's middle part screw thread cup joints the slip thread piece.
Preferably, the both ends fixed mounting of collateral branch fagging has the sliding block, the sliding block joint is in the position fixing plate, and the both sides of collateral branch fagging have seted up the groove of sliding, sliding connection has the maintenance button in the groove of sliding, the quantity of collateral branch fagging is two, two sliding connection has two sets of four grip blocks respectively on the collateral branch fagging, the shape of grip block is L shape, four the combination is the rectangle between the grip block.
Preferably, the upper bracket is U-shaped, a buffer spring is arranged at the top of a buffer rod movably sleeved in the middle of the upper bracket, and lower pressing plates connected with the bottom end of the buffer rod are located at the middle points of the four clamping plates.
The technical scheme of the invention has the following beneficial technical effects:
1. the telescopic rod is arranged at the bottom of the device main body and connected with the brake bottom plate, so that different lengths of the telescopic rod can be driven, the angle of the device main body is adjusted, a tilting environment can be simulated, meanwhile, the rotary threaded rod is arranged in the device main body and is in threaded sleeve joint with the vibration device, the position of the vibration device can be adjusted through the rotation of the rotary threaded rod, the buffer of side vibration is simulated, the simulation truth of the device is improved, the accuracy of an experimental structure is guaranteed, and the practicability of the device is improved.
2. Through setting up adjusting threaded rod at the middle part of bracing piece to adjusting threaded rod is connected with the slip thread piece, can drive the slip thread piece through rotatory adjusting threaded rod and slide in the bracing piece, accomplishes the regulation to slip thread piece height, thereby accomplishes the regulation to connection structure height on the slip thread piece, makes when experimenting with the article of co-altitude, all can be stable fix.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a clamping plate structure according to the present invention;
fig. 3 is a schematic view of the upper bracket structure of the present invention.
Reference numerals:
1. a device main body; 2. a moving wheel; 3. a telescopic rod; 4. a brake base plate; 5. a control device; 6. a fixed mount; 7. a portable pushing handle; 8. rotating the threaded rod; 9. a vibrating device; 10. a vibrating rod; 11. a vibration simulation plate; 12. a limiting rod; 13. a support bar; 14. adjusting the threaded rod; 15. an upper rotary knob; 16. sliding the threaded block; 17. a position-retaining plate; 18. a slider; 19. side supporting plates; 20. a sliding groove; 21. a retention knob; 22. a clamping plate; 23. an upper bracket; 24. a buffer rod; 25. and (5) pressing the plate downwards.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, a single degree of freedom system mechanical vibration comprehensive experiment instrument is provided, which comprises a device main body 1, a moving wheel 2 is fixedly installed at the bottom of the device main body 1, a telescopic rod 3 is fixedly installed at the bottom of the device main body 1, a brake bottom plate 4 is fixedly installed at the bottom end of the telescopic rod 3, a control device 5 is fixedly installed at one end of the device main body 1, a fixing frame 6 is fixedly installed at the other end of the device main body 1, a portable pushing handle 7 is movably connected to the fixing frame 6, a rotary threaded rod 8 is movably sleeved in the device main body 1, a vibration device 9 is sleeved on the rotary threaded rod 8 in a threaded manner, a vibration rod 10 is fixedly sleeved at the top end of the vibration device 9, a vibration simulation plate 11 is movably sleeved in the middle of the device main body 1, supporting rods 13 are fixedly installed at two sides of the upper surface, one side fixed mounting of slip screw piece 16 has a position fixing plate 17, and sliding connection has collateral branch backup pad 19 in the position fixing plate 17, and collateral branch backup pad 19 sliding connection has a maintenance button 21, and the top fixed mounting of maintenance button 21 has grip block 22, and the middle part fixed mounting of collateral branch backup pad 19 has upper bracket 23, and buffer rod 24 has been cup jointed in the middle part activity of upper bracket 23, and buffer rod 24's bottom fixed mounting has holding down plate 25.
As shown in fig. 1, a working groove is formed in the middle of the device main body 1, the vibration device 9 and the vibration simulation plate 11 are both disposed in the working groove, the bottom of the vibration device 9 is slidably connected to the bottom of the working groove of the device main body 1, both ends of the vibration simulation plate 11 are slidably connected to both sides of the working groove of the device main body 1, and the two sides of the vibration simulation plate 11 are movably sleeved with limit rods 12, the bottom ends of the limit rods 12 are fixedly mounted on the inner wall of the device main body 1, a working groove is disposed in the middle of the device main body 1, and the main structure is disposed therein, so as to play a role of protection, and utilize the limiting function of the working groove, so that the structure can be mounted more stably, the stability of the device is improved, the vibration device 9 is slidably connected to the bottom of the device main body 1, thereby when the vibration device 9 is driven to adjust the position by rotating the threaded, more firm, smooth to with the both ends sliding connection of vibration simulation board 11 on the lateral wall of device main part 1, live in the position of vibration simulation board 11 and cup joint the both sides activity of vibration simulation board 11 on gag lever post 12, make vibrating spear 10 when vibration simulation board 11, stability that can be more, the condition that vibration frequency is not conform to the setting value can not appear, improved the reliability of device.
In this embodiment, the quantity of telescopic link 3 is two, independent operation between two telescopic links 3, and the brake bottom plate 4 that the 3 bottom of telescopic link is connected is anti-skidding structure, set up two telescopic links 3, and set up two telescopic links 3 into independent control, consequently when using, can utilize the flexible different length of the telescopic link 3 of difference, make the position of device main part 1 take place the slope, make the vibration under the slope condition can be simulated, the flexibility of device has been improved, the practicality of device has been improved.
It should be noted that, the inside activity of bracing piece 13 is cup jointed with adjusting threaded rod 14, the top that adjusting threaded rod 14 runs through bracing piece 13 is fixed to be cup jointed with last knob 15, and the middle part screw thread of adjusting threaded rod 14 is cup jointed with slip thread piece 16, through setting up adjusting threaded rod 14 in the inside of bracing piece 13, and the top that will adjusting threaded rod 14 runs through bracing piece 13 and is connected with last knob 15, consequently, can drive adjusting threaded rod 14 through the rotation of last knob 15 and select, consequently, slip thread piece 16 that the screw thread cup jointed on adjusting threaded rod 14 will be adjusted, thereby can adjust the height of slip thread piece 16 through rotatory adjusting threaded rod 14, in order to reach the purpose of an adjusting device height, the practicality of device has been improved.
As shown in fig. 1-2, two ends of the side supporting plate 19 are fixedly installed with sliding blocks 18, the sliding blocks 18 are clamped in the retaining plate 17, two sides of the side supporting plate 19 are provided with sliding grooves 20, retaining buttons 21 are slidably connected in the sliding grooves 20, the number of the side supporting plate 19 is two, two groups of four clamping plates 22 are slidably connected on the two side supporting plates 19 respectively, the clamping plates 22 are L-shaped, the four clamping plates 22 are combined into a rectangle, the sliding blocks 18 are arranged at the two ends of the side supporting plate 19, and the sliding blocks 18 are clamped in the retaining plate 17, so that the side supporting plate 19 can slide in the retaining plate 17 through the sliding blocks 18 to adjust the position of the side supporting plate 19, the sliding grooves 20 are arranged on the side supporting plate 19 to slidably connect the retaining buttons 21 therein, so that the position of the retaining buttons 21 is limited, the reliability of the device is improved, and two clamping plates 22 are arranged on every two side supporting plates 19, therefore, the four clamping plates 22 are arranged on the two side supporting plates 19, and the clamping plates 22 are arranged to be L-shaped, so that when the device is used, the four clamping plates 22 can be combined into a rectangle to fix an object to be tested more firmly, and the practicability of the device is improved.
It should be understood that the upper bracket 23 is U-shaped, the top of the buffer rod 24 movably sleeved in the middle of the upper bracket 23 is provided with a buffer spring, the lower press plate 25 connected to the bottom end of the buffer rod 24 is located at the midpoint of the four clamping plates 22, the upper bracket 23 is U-shaped, and the middle of the upper bracket 23 is movably connected to the two sides of the main body structure thereof, so that when the position of the side supporting plate 19 is adjusted, the U-shaped width of the upper bracket 23 is also adjusted, the linkage between the structures is improved, and the device is more reliable to use.
The working principle and the using process of the invention are as follows: first, will remove to the required position through removing wheel 2, then go up and down to drive brake bottom plate 4 through controlling means 5 control telescopic link 3 and go up and down, thereby will remove wheel 2 and establish the ground, accomplish the location of device position, place the article that will need the experiment again on vibration simulation board 11, and utilize last knob 15 to adjust the height of position fixing board 17, slide sliding block 18 in position fixing board 17 simultaneously and adjust the position of collateral branch fagging 19, and slide position fixing button 21 in sliding slot 20 and adjust the position of grip block 22, make four grip blocks 22 can fix the position with article completely, then starting drive device, make vibrating device 9 drive vibrating arm 10 vibrate, thereby drive vibration simulation board 11 vibration, the experiment begins, finally, after the experiment is accomplished, reset the device, and maintain, can.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (6)

1. The utility model provides a single degree of freedom system mechanical vibration comprehensive experiment appearance, includes device main part (1), its characterized in that, the bottom fixed mounting of device main part (1) has removal wheel (2), and the bottom fixed mounting of device main part (1) has telescopic link (3), the bottom fixed mounting of telescopic link (3) has brake bottom plate (4), the one end fixed mounting of device main part (1) has controlling means (5), and the other end fixed mounting of device main part (1) has mount (6), swing joint has portable pushing hands (7) on mount (6), the inside activity of device main part (1) has cup jointed rotatory threaded rod (8), screw thread has cup jointed vibrating device (9) on rotatory threaded rod (8), the top of vibrating device (9) has cup jointed vibrating rod (10), the activity has cup jointed vibration simulation board (11) in the middle part of device main part (1), and the both sides fixed mounting of device main part (1) upper surface has bracing piece (13), the inside sliding connection of bracing piece (13) has slip thread piece (16), one side fixed mounting of slip thread piece (16) has position fixing plate (17), sliding connection has collateral branch fagging (19) in position fixing plate (17), collateral branch fagging (19) sliding connection has maintenance button (21), the top fixed mounting of maintenance button (21) has grip block (22), the middle part fixed mounting of collateral branch fagging (19) has upper bracket (23), buffer beam (24) have been cup jointed in the middle part activity of upper bracket (23), the bottom fixed mounting of buffer beam (24) has holding down plate (25).
2. The single-degree-of-freedom system mechanical vibration comprehensive experiment instrument according to claim 1, characterized in that a working groove is formed in the middle of the device main body (1), the vibration device (9) and the vibration simulation plate (11) are arranged in the working groove, the bottom of the vibration device (9) is slidably connected to the bottom of the working groove of the device main body (1), two ends of the vibration simulation plate (11) are slidably connected to two sides of the working groove of the device main body (1), limiting rods (12) are movably sleeved on two sides of the vibration simulation plate (11), and the bottom ends of the limiting rods (12) are fixedly mounted on the inner wall of the device main body (1).
3. The single-degree-of-freedom system mechanical vibration comprehensive experiment instrument according to claim 1, characterized in that the number of the telescopic rods (3) is two, the two telescopic rods (3) independently run, and a brake bottom plate (4) connected to the bottom ends of the telescopic rods (3) is of an anti-skid structure.
4. The single-degree-of-freedom system mechanical vibration comprehensive experiment instrument according to claim 1, wherein an adjusting threaded rod (14) is movably sleeved inside the supporting rod (13), the top end of the adjusting threaded rod (14) penetrates through the top of the supporting rod (13) and is fixedly sleeved with the upper rotating button (15), and a sliding threaded block (16) is sleeved on the middle thread of the adjusting threaded rod (14).
5. The comprehensive experiment instrument for mechanical vibration of a single-degree-of-freedom system according to claim 1, characterized in that sliding blocks (18) are fixedly mounted at two ends of the side supporting plates (19), the sliding blocks (18) are clamped in the position fixing plate (17), sliding grooves (20) are formed in two sides of each side supporting plate (19), position fixing buttons (21) are connected in the sliding grooves (20) in a sliding mode, the number of the side supporting plates (19) is two, two groups of four clamping plates (22) are connected to the two side supporting plates (19) in a sliding mode respectively, the shape of each clamping plate (22) is L-shaped, and the four clamping plates (22) are combined into a rectangle.
6. The single-degree-of-freedom system mechanical vibration comprehensive experiment instrument according to claim 1, wherein the upper support (23) is U-shaped, a buffer spring is arranged at the top of a buffer rod (24) movably sleeved in the middle of the upper support (23), and a lower pressing plate (25) connected with the bottom end of the buffer rod (24) is located at the midpoint of the four clamping plates (22).
CN202110242351.3A 2021-02-24 2021-02-24 Single-degree-of-freedom system mechanical vibration comprehensive experiment instrument Pending CN113012511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110242351.3A CN113012511A (en) 2021-02-24 2021-02-24 Single-degree-of-freedom system mechanical vibration comprehensive experiment instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110242351.3A CN113012511A (en) 2021-02-24 2021-02-24 Single-degree-of-freedom system mechanical vibration comprehensive experiment instrument

Publications (1)

Publication Number Publication Date
CN113012511A true CN113012511A (en) 2021-06-22

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103632591A (en) * 2013-11-29 2014-03-12 天津工业大学 Comprehensive tester for mechanical vibration of single-DOF system
CN207730413U (en) * 2017-12-14 2018-08-14 四川虹杰高科技有限公司 A kind of vibration test case imitating high speed impact
CN208357214U (en) * 2018-03-29 2019-01-11 吉林精工阀片科技有限公司 A kind of portable vibrating screen
CN109612662A (en) * 2018-12-29 2019-04-12 辅创科技(宜昌)有限公司 A kind of vibration mechine of analog circuit board Automobile Transportation process
CN209280261U (en) * 2019-02-26 2019-08-20 湖南理工学院 A kind of electromechanical coupled vibration testing stand that stability is high
CN209459854U (en) * 2019-04-11 2019-10-01 张�浩 A kind of experimental rig that simulation natural gas line is vibrated
CN210981707U (en) * 2019-12-30 2020-07-10 浙江天赛计量检测研究有限公司 Portable shaking table of convenient regulation type with stable structure
CN211668731U (en) * 2020-02-20 2020-10-13 苏州欧曦自动化设备有限公司 Automobile vibration test bench
CN211978258U (en) * 2020-03-21 2020-11-20 深圳市重力东科电子设备有限公司 Mechanical vibration testing machine convenient to change workstation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103632591A (en) * 2013-11-29 2014-03-12 天津工业大学 Comprehensive tester for mechanical vibration of single-DOF system
CN207730413U (en) * 2017-12-14 2018-08-14 四川虹杰高科技有限公司 A kind of vibration test case imitating high speed impact
CN208357214U (en) * 2018-03-29 2019-01-11 吉林精工阀片科技有限公司 A kind of portable vibrating screen
CN109612662A (en) * 2018-12-29 2019-04-12 辅创科技(宜昌)有限公司 A kind of vibration mechine of analog circuit board Automobile Transportation process
CN209280261U (en) * 2019-02-26 2019-08-20 湖南理工学院 A kind of electromechanical coupled vibration testing stand that stability is high
CN209459854U (en) * 2019-04-11 2019-10-01 张�浩 A kind of experimental rig that simulation natural gas line is vibrated
CN210981707U (en) * 2019-12-30 2020-07-10 浙江天赛计量检测研究有限公司 Portable shaking table of convenient regulation type with stable structure
CN211668731U (en) * 2020-02-20 2020-10-13 苏州欧曦自动化设备有限公司 Automobile vibration test bench
CN211978258U (en) * 2020-03-21 2020-11-20 深圳市重力东科电子设备有限公司 Mechanical vibration testing machine convenient to change workstation

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