CN201653671U - Hydraulic drive shock response spectrum test stand - Google Patents
Hydraulic drive shock response spectrum test stand Download PDFInfo
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- CN201653671U CN201653671U CN2010201340154U CN201020134015U CN201653671U CN 201653671 U CN201653671 U CN 201653671U CN 2010201340154 U CN2010201340154 U CN 2010201340154U CN 201020134015 U CN201020134015 U CN 201020134015U CN 201653671 U CN201653671 U CN 201653671U
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- pendulum
- work top
- pedestal
- pendulum bob
- oscillating weight
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Abstract
The utility model discloses a hydraulic drive shock response spectrum test stand, which comprises a stand body, wherein the stand body consists of a pedestal, a portal frame upward erecting on the pedestal, a work table top, impact waved adjusting pieces and a pendulum bob assembly, wherein the work table top is arranged on the pedestal and is connected in a sliding way along the horizontal direction; the impact waved adjusting pieces are abutted against two ends of the work table top in the sliding direction; and the pendulum bob assembly is supported on the portal frame corresponding to the work table top. The hydraulic drive shock response spectrum test stand is characterized in that the pendulum bob assembly comprises a pendulum bob, a bob arm and a pendulum bob shaft; the bob arm upwards extends from the top of the pendulum bob; the top end of the bob arm is vertically crossed and connected with the pendulum bob shaft; two ends of the pendulum bob shaft are rotatably supported on the portal frame, so that the pendulum bob can rotate around the axis of the pendulum bob shaft; the pendulum bob shaft is in drive connection with a hydraulic motor; and in addition, the hydraulic drive shock response spectrum test stand also comprises a brake which is acted on the pendulum bob shaft. Compared with the prior art, under the same energy demand, the utility model can shorten the length of the pendulum bob arm, reduce the height of the portal frame, the contour dimension of the stand body and the manufacturing cost and is convenient for transport, mount and use.
Description
Technical field
The utility model relates to environmental mechanics testing equipment field, is specifically related to the shock response spectrum testing table.
Background technology
Shock table belongs to a kind of dynamic environmental test equipment, is mainly used to the environment that analog equipment is impacted in use, loading and unloading and transportation, to determine the adaptability of this product to various impulsive forces.Can evaluate the integrity of a product structure by such impulse test, for the quality of examining this product provides rational foundation.
Common shock table all is that the pulse of acceleration-time history is reproduced, and the suffered impact of product is that the complex oscillation type impacts mostly in the actual environment, therefore developed the shock response spectrum testing table that shock response spectrum can be reproduced afterwards, it is generally used for sophisticated products such as Aero-Space.
Existing shock response spectrum testing table mainly is made up of stage body and controller, and described stage body is made up of pedestal, work top, surge waveform adjustment part, door frame, pendulum, elevator hoisting gear and releasing mechanism.Described work top along continuous straight runs is slidingly arranged on the pedestal, and each abutment action of the two ends of work top glide direction has the surge waveform adjustment part.Door frame towers on pedestal, pendulum corresponding to the shock surface rotational support of work top one end on door frame.Described elevator hoisting gear is arranged on the door frame, and its draw hook is used for hook and lives suspension hook on the pendulum; Releasing mechanism is generally a cylinder action on suspension hook, makes it automatically-unhooked with draw hook.During work, elder generation's clamping test specimen (product promptly to be tested) on work top, start the elevator hoisting gear, pendulum is sling to certain angle, starting cylinder action then makes it to break off relations on suspension hook, pendulum on the shock surface of the following drop impact of action of gravity at work top, thereby make the test specimen that is contained on the work top response spectra that experiences a shock.The surge waveform adjustment part has determined the peak value and the resonance frequency of shock response spectrum.
Above-mentioned existing shock response spectrum testing table elevator lift mechanism lifts pendulum, the lifting angle that pendulum makes progress has certain limitation (general＜90 °), can only obtain bigger energy by the method for increasing door frame, so that physical dimension is taller and bigger, all make troubles for transportation, installation and use.
Summary of the invention
The utility model purpose provides a kind of hydraulically actuated impact response spectra testing table, and it is restricted to promote angle with pendulum in the solution prior art, so that cause physical dimension tall and big, and the problem of all making troubles for transportation, installation and use.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hydraulically actuated impact response spectra testing table, comprise a stage body, the work top that described stage body is slidingly connected by along continuous straight runs on the door frame that upwards towers on pedestal, the pedestal, the pedestal, act on the surge waveform adjustment part at work top glide direction two ends and be supported on pendulum assembly on the door frame corresponding to work top; Described pendulum assembly comprises pendulum, hammerhead jib and oscillating weight axle, and hammerhead jib is protruded upward by the pendulum top, and the hammerhead jib top intersects vertically with oscillating weight axle and is connected, and oscillating weight axle two ends rotational support can rotate pendulum around the axle center of oscillating weight axle on door frame; A described oscillating weight axle and an oil motor are in transmission connection, thereby promote pendulum by the rotation of fluid motor-driven oscillating weight axle; And, also comprising a detent, this detent acts on oscillating weight axle.
Related content in above-mentioned two technical schemes is explained as follows:
1, in the such scheme, described detent is meant the autobrake that oscillating weight axle braking can be lived can adopt various existing clamping device, power aspect available hydraulic, pneumatic, gas-liquid pressure-boosting etc.
Preferred version is to adopt hydraulic brake, and it is made up of brake disc and hydraulic braking caliper, and brake disc is fixedly sleeved on oscillating weight axle, and the hydraulic braking caliper bridges on brake disc, and door frame is fixedly connected relatively.
2, in the such scheme, can fixedly connected between described oscillating weight axle and hammerhead jib, also can be in transmission connection, such as splined.
3, in the such scheme, be connected through reduction gearing mechanism between described oil motor and oscillating weight axle.This reduction gearing mechanism can be a gear reduction, also can be the chain sprocket reducing gear.
4, in the such scheme, described surge waveform adjustment part can adopt the stacked formation of various elastomeric layers, and elastomeric layer generally can be: steel plate, aluminium sheet, natural rubber, synthetic rubber, felt etc.
Preferred version is: described work top is the damping adjustment part towards the surge waveform adjustment part of pendulum one end, this damping adjustment part is made up of adjustment seat, adjusting screw(rod), set nut, resonant springs and spring base, the end face of described adjustment seat and work top is at a distance of the certain distance setting, the glide direction of adjustment seat upper edge work top offers through hole, socket set nut on the described adjusting screw(rod), and the tail end of adjusting screw(rod) embeds the through hole port internal thread connection of work top dorsad; And corresponding to through hole spring base is set on the end face of work top, and described resonant springs is a compression spring, and the one end embeds through hole in the port of work top, and its other end is resisted against on the spring base; And described work top dorsad the surge waveform adjustment part of pendulum one end adopt the stacked formation of various elastomeric layers.
5, in the such scheme, described pedestal bottom is provided with exempts from foundation structure, this exempt from foundation structure by base plate and a plurality of buffer spring or/and shock absorber form, described base plate is parallel to the pedestal bottom surface and at a distance of the certain distance setting of pedestal bottom surface, and a plurality of buffer springs are or/and shock absorber connects is supported between base plate and the pedestal.Described shock absorber is an oleo damper, this oleo damper is arranged on the both sides that are parallel to the work top glide direction of pedestal, the oblique installation of each oleo damper and work top glide direction folder acute angle, and the oleo damper on each sidepiece is that symcenter is symmetrical arranged with the vertical center line of sidepiece.
Design concept of the present utility model and effect are: the utility model adopts oil motor by driving the oscillating weight axle rotation, thereby lifting pendulum, therefore the maximum lift angle of pendulum can be near 180 °, thereby can obtain ceiling capacity under identical door frame height, identical brachium condition.Thereby the utility model compared with prior art under same energy requirement, can shorten the pendulum brachium, reduce the door frame height, reduces the physical dimension of stage body, reduces manufacturing cost, has made things convenient for transportation, installation and use.
Description of drawings
Accompanying drawing 1 is the utility model one-piece construction synoptic diagram;
Accompanying drawing 3 is the A-A cross-sectional schematic of accompanying drawing 2;
Accompanying drawing 4 is the structural representation of the utility model damping adjustment part.
In the above accompanying drawing: 1, stage body; 2, pedestal; 3, door frame; 4, work top; 5, surge waveform adjustment part; 6, surge waveform adjustment part; 7, pendulum; 8, hammerhead jib; 9, oscillating weight axle; 10, oil motor; 11, hydraulic brake; 12, brake disc; 13, hydraulic braking caliper; 14, gear reduction; 15, adjustment seat; 16, adjusting screw(rod); 17, set nut; 18, resonant springs; 19, spring base; 20, through hole; 21, base plate; 22, steel wire shock absorber; 23, oleo damper; 24, bearing; 25, power oil sources; 26, controller.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1～4:
A kind of hydraulically actuated impact response spectra testing table is formed (seeing accompanying drawing 1) by stage body 1, power oil sources 25 and controller 26.The work top 4 that described stage body 1 is slidingly connected by along continuous straight runs on the door frame 3 that upwards towers on pedestal 2, the pedestal 2, the pedestal 2, act on the surge waveform adjustment part 5,6 at work top glide direction two ends and be supported on pendulum assembly on the door frame 3 corresponding to work top 4.
Described pendulum assembly comprises pendulum 7, hammerhead jib 8 and oscillating weight axle 9, hammerhead jib 8 is protruded upward by pendulum 7 tops, hammerhead jib 8 tops intersect vertically with oscillating weight axle 9 and are connected, and oscillating weight axle 9 two ends on door frame 3, can rotate pendulum 7 by bearing 24 rotational support around the axle center of oscillating weight axle 9; Described oscillating weight axle 9 one ends and an oil motor 10 are in transmission connection, and specifically can be that oil motor 10 is connected with oscillating weight axle 9 through a gear reduction 14, promote pendulum 7 thereby drive oscillating weight axle 9 rotations by oil motor 10.As shown, gear reduction 14 is a pair of gear.Also be provided with a detent on oscillating weight axle 9 other ends, this detent acts on oscillating weight axle 9.This detent is a hydraulic brake 11, is made up of brake disc 12 and two hydraulic braking calipers 13, and brake disc 12 is fixedly sleeved on oscillating weight axle 9.Hydraulic braking caliper 13 bridges on brake disc 12, and door frame 3 is fixedly connected relatively.
Above-mentioned oscillating weight axle 9 and 8 of hammerhead jibs can be directly to fixedly connected such as weld, and also can adopt to be in transmission connection, as splined.
Above-mentioned reduction gearing mechanism can be a gear reduction 14 as figure, can certainly adopt the chain sprocket reducing gear, and the effect that increases reduction gearing mechanism is to increase torque, thereby can select the oil motor of less specification for use, to save cost.
Above-mentioned clamping device is a preferred example, also available other existing ripe braking technology in the reality, and as gas-liquid pressure-boosting clamping device, vapour-pressure type system device, even electromagnetic type system device.
During present embodiment work, primer fluid pressure motor 10 drives oscillating weight axle 9 rotations, thereby promote pendulum 7 to certain altitude, start hydraulic brake 11 then oscillating weight axle 9 is checked the location, this moment, oil motor 10 oil returns were finished when oil motor 10 oil returns, and hydraulic brake 11 unclamps, pendulum 7 is impacted at work top 4 because of the gravity bottom, finish test.The maximum lift angle of the pendulum 7 of present embodiment can be near 180 °, thereby can obtain ceiling capacity under identical door frame 3 height, identical brachium condition.Thereby the utility model compared with prior art under same energy requirement, can shorten the pendulum brachium, reduce door frame 3 height, reduces the physical dimension of stage body 1, reduces manufacturing cost, has made things convenient for transportation, installation and use.
Described work top 4 has two covers towards the surge waveform adjustment part 5 of pendulum 7 one ends, is respectively on the two ends of work top 4 end faces, and adopts the damping adjustment part.Every cover damping adjustment part is made up of adjustment seat 15, adjusting screw(rod) 16, set nut 17, resonant springs 18 and spring base 19, the end face of described adjustment seat 15 and work top 4 is at a distance of the certain distance setting, the glide direction of adjustment seat 15 upper edge work tops offers through hole 20, socket set nut 17 on the described adjusting screw(rod) 16, and the tail end of adjusting screw(rod) 16 embeds the through hole 20 port internal thread connection of work top 4 dorsad; And corresponding to through hole 20 spring base 19 is set on the end face of work top 4, and described resonant springs 18 is a compression spring, and the one end embeds through hole 20 in the port of work top 4, and its other end is resisted against on the spring base 19; And described work top 4 dorsad the surge waveform adjustment part 6 of pendulum 7 one ends be one, it constitutes by the multilayer elastic material layer is stacked, and is butted on the center of work top 4 end faces.The multilayer elastic material layer that constitutes surge waveform adjustment part 6 is respectively steel plate, aluminium sheet, caoutchouc layer, synthetic rubber layer and felt.Described resonant springs 18 can adopt mechanical coil spring, also can adopt natural rubber or synthetic rubber spring, is preferably the mechanical coil spring that adopts the square-section.This design, surge waveform adjustment part 5 adopts the damping adjustment part, can finely tune the effect elastic force of 18 pairs of work tops 4 of resonant springs by adjusting adjusting screw(rod) 16, to be convenient to the adjustment of surge waveform.
Described pedestal 2 bottoms are provided with exempts from foundation structure, this exempt from foundation structure by base plate 21 and a plurality of buffer spring or/and shock absorber form, described base plate 21 is parallel to pedestal 2 bottom surfaces and at a distance of pedestal 2 bottom surface certain distance settings, and a plurality of buffer springs are or/and shock absorber connects is supported between base plate 21 and the pedestal 2.As shown, be to have adopted two kinds of shock absorbers, steel wire shock absorber 22 and oleo damper 23.Steel wire shock absorber 22 and oleo damper 23 just evenly is arranged on the bottom of the both sides that are parallel to work top 4 glide directions of pedestal 2, the particularly oblique installation of the compression direction of each oleo damper 23 and work top 4 glide directions folder acute angle, and the oleo damper on each sidepiece 23 is that symcenter a is symmetrical arranged with the vertical center line of sidepiece.
Above-mentioned slow spring can be a mechanical spring, also can be air spring, and shock absorber also can adopt rubber mount except that as the figure steel wire shock absorber 22 and oleo damper 23 for example.
Above-mentioned employing of exempting from foundation structure is built concrete foundation when having avoided testing table to install, and reduced and installed and used cost, and, made things convenient for user's installation resettlement, all unrestricted no matter the ground flooring uses.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (7)
1. hydraulically actuated impact response spectra testing table, comprise a stage body (1), described stage body (1) is gone up the work top (4) that along continuous straight runs is slidingly connected, the surge waveform adjustment part (5,6) that acts on work top glide direction two ends and is supported on pendulum assembly on the door frame (3) corresponding to work top (4) by the door frame (3) that upwards towers on pedestal (2), the pedestal (2), pedestal (2); It is characterized in that: described pendulum assembly comprises pendulum (7), hammerhead jib (8) and oscillating weight axle (9), hammerhead jib (8) is protruded upward by pendulum (7) top, hammerhead jib (8) top intersects vertically with oscillating weight axle (9) and is connected, oscillating weight axle (9) two ends rotational support can rotate pendulum (7) around the axle center of oscillating weight axle (9) on door frame (3); Described oscillating weight axle (9) is in transmission connection with an oil motor (10), drives oscillating weight axle (9) thereby rotation lifting pendulum (7) by oil motor (10); And, also comprising a detent, this detent acts on oscillating weight axle (9).
2. according to the described hydraulically actuated impact response spectra of claim 1 testing table, it is characterized in that: described detent is hydraulic brake (11), form by brake disc (12) and hydraulic braking caliper (13), brake disc (12) is fixedly sleeved on oscillating weight axle (9), hydraulic braking caliper (13) bridges on brake disc (12), and door frame (3) is fixedly connected relatively.
3. according to the described hydraulically actuated impact response spectra of claim 1 testing table, it is characterized in that: be splined between described oscillating weight axle (9) and hammerhead jib (8).
4. according to the described hydraulically actuated impact response spectra of claim 1 testing table, it is characterized in that: be connected through reduction gearing mechanism between described oil motor (10) and oscillating weight axle (9).
5. according to the described hydraulically actuated impact response spectra of claim 1 testing table, it is characterized in that: described work top (4) is the damping adjustment part towards the surge waveform adjustment part (5) of pendulum (7) one ends, this damping adjustment part is by adjustment seat (15), adjusting screw(rod) (16), set nut (17), resonant springs (18) and spring base (19) are formed, the end face of described adjustment seat (15) and work top (4) is at a distance of the certain distance setting, the glide direction of adjustment seat (15) upper edge work top offers through hole (20), described adjusting screw(rod) (16) is gone up socket set nut (17), and the tail end of adjusting screw(rod) (16) embeds through hole (20) the port internal thread connection of work top (4) dorsad; And corresponding to through hole (20) spring base (19) is set on the end face of work top (4), and described resonant springs (18) is a compression spring, and the one end embeds through hole (20) in the port of work top (4), and its other end is resisted against on the spring base (19); And described work top (4) dorsad the surge waveform adjustment part (6) of pendulum (7) one ends constitute by the multilayer elastic material layer is stacked.
6. according to the described hydraulically actuated impact response spectra of claim 1 testing table, it is characterized in that: described pedestal (2) bottom is provided with exempts from foundation structure, this exempt from foundation structure by base plate (21) and a plurality of buffer spring (22) or/and shock absorber form, described base plate (21) is parallel to pedestal (2) bottom surface and is provided with at a distance of pedestal (2) bottom surface certain distance, and a plurality of buffer springs (22) are or/and shock absorber connects is supported between base plate (21) and the pedestal (2).
7. according to the described hydraulically actuated impact response spectra of claim 6 testing table, it is characterized in that: described shock absorber is oleo damper (23), this oleo damper (23) is arranged on the both sides that are parallel to work top (4) glide direction of pedestal (2), the oblique installation of each oleo damper (23) and work top (4) glide direction folder acute angle, and the oleo damper on each sidepiece (23) is that symcenter (a) is symmetrical arranged with the vertical center line of sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201340154U CN201653671U (en) | 2010-03-12 | 2010-03-12 | Hydraulic drive shock response spectrum test stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201340154U CN201653671U (en) | 2010-03-12 | 2010-03-12 | Hydraulic drive shock response spectrum test stand |
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| Publication Number | Publication Date |
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| CN201653671U true CN201653671U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201340154U Expired - Lifetime CN201653671U (en) | 2010-03-12 | 2010-03-12 | Hydraulic drive shock response spectrum test stand |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983416A (en) * | 2014-06-04 | 2014-08-13 | 北京卫星环境工程研究所 | Pendulum bob shock test apparatus table board with locking guide rail device |
| CN106950125A (en) * | 2017-03-29 | 2017-07-14 | 中国石油大学(华东) | The experimental provision and its experimental method of a kind of simulation water horizontal well explosion fracturing |
| CN107133560A (en) * | 2017-03-17 | 2017-09-05 | 浙江埃特斯力试验设备有限公司 | A kind of shock response spectrum time domain waveform matching process based on genetic algorithm |
| CN107748051A (en) * | 2017-11-16 | 2018-03-02 | 苏州苏试试验集团股份有限公司 | A kind of medium-sized shock machine of pendulum |
| CN107764499A (en) * | 2017-11-16 | 2018-03-06 | 苏州苏试试验集团股份有限公司 | The medium-sized shock machine swing arm lifting of pendulum and brake gear |
-
2010
- 2010-03-12 CN CN2010201340154U patent/CN201653671U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983416A (en) * | 2014-06-04 | 2014-08-13 | 北京卫星环境工程研究所 | Pendulum bob shock test apparatus table board with locking guide rail device |
| CN103983416B (en) * | 2014-06-04 | 2017-06-16 | 北京卫星环境工程研究所 | Pendulum impact test platform table top with locking track-type facilities |
| CN107133560A (en) * | 2017-03-17 | 2017-09-05 | 浙江埃特斯力试验设备有限公司 | A kind of shock response spectrum time domain waveform matching process based on genetic algorithm |
| CN107133560B (en) * | 2017-03-17 | 2020-04-14 | 浙江埃特斯力试验设备有限公司 | Impulse response spectrum time domain waveform matching method based on genetic algorithm |
| CN106950125A (en) * | 2017-03-29 | 2017-07-14 | 中国石油大学(华东) | The experimental provision and its experimental method of a kind of simulation water horizontal well explosion fracturing |
| CN106950125B (en) * | 2017-03-29 | 2019-10-08 | 中国石油大学(华东) | A kind of experimental provision and its experimental method of dummy level well explosion fracturing |
| CN107748051A (en) * | 2017-11-16 | 2018-03-02 | 苏州苏试试验集团股份有限公司 | A kind of medium-sized shock machine of pendulum |
| CN107764499A (en) * | 2017-11-16 | 2018-03-06 | 苏州苏试试验集团股份有限公司 | The medium-sized shock machine swing arm lifting of pendulum and brake gear |
| CN107748051B (en) * | 2017-11-16 | 2024-03-12 | 苏州苏试试验集团股份有限公司 | Pendulum type medium-sized impact machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee after: Suzhou Sushi Testing Instrument Co.,Ltd. Address before: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee before: Suzhou Sushi Testing Instrument Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee after: Suzhou Su test group Limited by Share Ltd Address before: 215122 Suzhou Industrial Park, the new science and Technology City, the town of Ting Ting Feng Road, No. 18, No. Patentee before: Suzhou Sushi Testing Instrument Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |