CN207600705U - A kind of force loading system during the product testing that moves along a straight line under vibration condition - Google Patents
A kind of force loading system during the product testing that moves along a straight line under vibration condition Download PDFInfo
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- CN207600705U CN207600705U CN201721783490.2U CN201721783490U CN207600705U CN 207600705 U CN207600705 U CN 207600705U CN 201721783490 U CN201721783490 U CN 201721783490U CN 207600705 U CN207600705 U CN 207600705U
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- hydrostatic slideway
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Abstract
The utility model discloses the force loading system during the product testing that moves along a straight line under a kind of vibration condition, including shake table, power loading cylinder, the first hydrostatic slideway, fixed supporting seat, output of products connector, linear bearing, the second hydrostatic slideway, the second hydrostatic slideway support base and vibration transferring member；When carrying out vibration test, up-down vibration is carried out between two hydrostatic slideways by trial product and vibration transferring member, is vibrated by being coupled by first hydrostatic slideway at trial product both ends and the second hydrostatic slideway；The load of loading cylinder is by loading end connection, the second hydrostatic slideway is applied to by trial product.The utility model solves the technical issues of existing load mode loaded load is single, loading force is limited.
Description
Technical field
The utility model is related to the force loading systems during the product testing that moves along a straight line under a kind of vibration condition.
Background technology
Power loading generally use rubber band or shown in FIG. 1 during linear motion product testing under the conditions of conventional vibration
Loading by air bag mode, wherein 1 be shake table, 2 be by trial product, 3 be leather bag.By stretching rubber band or compressing gasbag, fortune is realized
Straight line loading in dynamic stroke.The variation of leather bag can be approximately linear loading mode, loading force can approximation take f=kx.(k- skins
Capsule coefficient, f- loading forces, x-
Leather bag variable quantity.
The major defect for the loading system that moves along a straight line under the conditions of conventional vibration is as follows：
1. being loaded using leather bag, linear load can only be realized；
2. loaded load is smaller, for loading force perpendicular to the oscillating component of shake table, loading force can cause shadow to oscillating component
It rings, oscillating component can only bear the lateral loading force no more than 10KN；
3. it is about 10% (without vibration coupling error) to stretch rubber band or compressing gasbag linearity error, precision is not high.
4. the realization of more than kinds of load needs a variety of stretching rubber bands or compressing gasbag, and cost is big, and implementation amount is big.
Invention content
The purpose of this utility model is to provide the power loadings during the product testing that moves along a straight line under a kind of vibration condition
System, to solve the technical issues of existing load mode loaded load is single, loading force is limited.
The technical solution of the utility model is as follows：
Force loading system during the product testing that moves along a straight line under a kind of vibration condition, loads including shake table 16 and power
Component is characterized in that：
Further include the first hydrostatic slideway 6, fixed supporting seat 5, output of products connector 14, linear bearing 13 or sleeve,
Two hydrostatic slideways 7, the second hydrostatic slideway support base 8 and vibration transferring member 4；
The power charging assembly includes power loading cylinder and loading end connection 10；
First hydrostatic slideway 6 is identical with the structure of the second hydrostatic slideway 7, including guide rail and sliding block；
The sliding block of first hydrostatic slideway 6 is connect with by the fixing end of trial product 15, and first hydrostatic slideway 6 is led
Rail is connect with fixed supporting seat 5,
Described to be connect by the power output terminal of trial product 15 with output of products connector 14, output of products connector 14 passes through straight
Spool hold 13 or sleeve connect with the sliding block of the second hydrostatic slideway 7, the guide rail and the second hydrostatic slideway of second hydrostatic slideway 7
Support base 8 connects, and the power output terminal of the power loading cylinder is connected by loading end connection 10 with the second hydrostatic slideway support base 8
It connects；
The vibration transferring member 4 is fixed on shake table 16, vibrates one end and the first hydrostatic slideway 6 of transferring member 4
Sliding block connection, vibration transferring member 4 the other end be fixedly connected with linear bearing 13 or sleeve.
Further, the force loading system further includes fixed frame 12 and rack, and the fixed supporting seat 5, lead ring 9 are set
On fixed frame 12, the fixed frame 12 is fixed on power loading cylinder on the rack.
Further, the direction of cylinder power output is loaded for restraining force, the outside of the loading end connection 10 is additionally provided with
Lead ring 9.
Further, the power loading cylinder 11 is cylinder, oil cylinder or servoBcylinder.
Further, the force loading system further includes the force snesor for being arranged on loading cylinder power output terminal.
Compared with prior art, advantage is the utility model：
1st, the utility model can be to applying linear load, permanent load or other variable loads using power loading cylinder by trial product
Lotus, while can realize that the variation of a variety of load and arbitrary adjusting, relative inexpensiveness, control system are simple.
2nd, the utility model by the fixing end of trial product and power output terminal by setting hydrostatic slideway so that shake table
Vibration force and the loading force of power loading section are independent of each other, and loading force can apply with product maximum, force, no longer be limited in vibration
Partial bears maximum lateral force.
3rd, the power loading section of the utility model loads the influence of the not vibrated environment of cylinder not in oscillating region, can be real
A variety of loading forces and the forms such as existing constant load, linear loading.
4th, the loading of the utility model is finely controlled using servoBcylinder, and precision is up within 5%, better than leather bag, rubber band institute
Attainable 10% loading accuracy.
5. the power loading section of the utility model is not involved in vibrating, generated damage not influence power loading section is vibrated,
The service life of power loading section will greatly prolong.
Description of the drawings
Fig. 1 is the existing linear motion loading system structure diagram using air bag；
Fig. 2 is the structure chart of the first hydrostatic slideway of the utility model and the second hydrostatic slideway；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the loading system structure diagram that moves along a straight line under the vibration condition that the utility model embodiment provides；
Fig. 5 is the power analysis chart of linear motion loading system under the vibration condition that the utility model embodiment provides；
Wherein reference numeral is：1st, 16- shake tables, 2,15- fix branch by trial product, 3- leather bags, 4- vibrations transferring member, 5-
Support seat, the first hydrostatic slideways of 6-, the second hydrostatic slideways of 7-, 71- sliding blocks, 72- guide rails, 73- high pressures liquid injection port, the second static pressure of 8- are led
Rail support base, 9- lead rings, 10- loadings end connection, 11- power loading cylinder, 12- fixed frames, 13- linear bearings, 14- output of products
Connector.
Specific embodiment
Linear motion product refers to the product that the output of product linearly moves, such as cylinder, oil cylinder, servoBcylinder and ball
Leading screw etc., these products use under vibrating conditions sometimes, so needing to know the power output feelings of product under vibrating conditions
Condition, the power charging assembly in the utility model substantially simulate the resistance under linear motion product operating condition.
The utility model is described in detail below in conjunction with attached drawing.
Fig. 2-3 show the structure diagram of existing hydrostatic slideway, and hydrostatic slideway is by pressure fluid from high pressure liquid injection port 73
It is injected between the sliding block 71 of hydrostatic slideway and guide rail 72, due to the presence of pressure film, the sliding block 71 and guide rail of hydrostatic slideway
72 frictional force can be neglected.Sliding block 71 moves up and down, guide rail 72 is with the whole side-to-side movement of movable slider 71, realizes hydrostatic slideway
The coupling of the power of upper and lower directions and the power of left and right directions.
First hydrostatic slideway 6 and the second hydrostatic slideway 7 of the utility model are using the hydrostatic slideway of existing structure.
As shown in figure 4, the force loading system during the product testing that moves along a straight line under the vibration condition of the utility model, packet
Include shake table 16, the first hydrostatic slideway 6, fixed supporting seat 5, output of products connector 14, linear bearing 13, the second hydrostatic slideway
7th, the second hydrostatic slideway support base 8, vibration transferring member 4, servoBcylinder and loading end connection 10；By the fixing end of trial product 15 with
The sliding block connection of first hydrostatic slideway 6, the guide rail of the first hydrostatic slideway 6 is connect with fixed supporting seat 5, defeated by the power of trial product 15
Outlet is connect with output of products connector 14, and output of products connector 14 passes through the cunning of 13 and second hydrostatic slideway 7 of linear bearing
Block connects, and the guide rail of the second hydrostatic slideway 7 is connect with the second hydrostatic slideway support base 8, and the power output terminal of power loading cylinder is by adding
End connection 10 is carried to connect with the second hydrostatic slideway support base 8；Vibration transferring member 4 is fixed on shake table 16, and vibration passes
The one end for passing part 4 is connect with the sliding block of the first hydrostatic slideway 6, and the other end of vibration transferring member 4 is fixedly connected with linear bearing 13.
The outside of loading end connection 10 is additionally provided with lead ring 9, and lead ring 9 limits the degree of freedom of loading end connection 10,
Make it that can only control to move along a straight line.Lead ring 9 has enough wearabilities, and the work of guiding is only served to loading end connection 10
With.
The fixed supporting seat 5, lead ring 9 of the utility model can be arranged on a fixed frame 12, and fixed frame 12 adds with power
Carrying cylinder can be fixed on a rack, and rack can bear load.
The power output terminal of the utility model loading cylinder can connect force snesor and displacement sensor, and force snesor and displacement pass
Sensor is to loading force, displacement is monitored, measures.
When carrying out vibration test, left and right linear motion, output of products end connection 14 are done by the output terminal of trial product 15
Left and right linear motion is done by linear bearing 13, power output is transmitted on the second hydrostatic slideway 7.Output of products end connection 14
Vibration force is born simultaneously with the first hydrostatic slideway 6, is transferred vibrations to by trial product 15.By trial product 15 and vibration transferring member
4 carry out up-down vibration between two hydrostatic slideways, vibrate by by first hydrostatic slideway 6 at trial product both ends and the second static pressure
Guide rail 7 couples；Loading end connection 10 does side-to-side movement with loading cylinder, and the power output for loading cylinder is applied to the second static pressure and leads
On rail 7, due to the effect that the couple of force of hydrostatic slideway closes, in the case where not influencing product vibrational state, product is exerted a force to
It exports on end connection 14, and then is applied to by the output terminal of trial product 15.
The first hydrostatic slideway 6 and the second hydrostatic slideway 7 that the utility model is installed by 15 both ends of trial product are moistened using oil film
Sliding, frictional force is almost negligible to be disregarded, and product fixing end straight line is limited by the first hydrostatic slideway 6 of 15 fixing end of trial product
The displacement of the direction of motion, loading cylinder power output are converted into the internal force of fixed frame 12 and rack, shake table 16 by fixed supporting seat 5
Oscillating component is not subject to lateral load, and the load that will move along a straight line is detached with the power completion of direction of vibration, power analysis chart such as Fig. 5,
The power output F of productPower outputPass through the second hydrostatic slideway 7 and FLoading forceIt balances, the lead ring 9 in fixed frame 12 is not subject to rectilinear direction
Power；The reaction force that first hydrostatic slideway 6 generates is born by the rack of fixed frame 12, and shake table 16 vibrates transferring member 4 and is not subject to
The power of linear movement direction；The F of direction of vibrationVibration forceIt is oriented to, will not be applied on power charging assembly by hydrostatic slideway.
Claims (6)
1. the force loading system during the product testing that moves along a straight line under a kind of vibration condition, loads including shake table (16) and power
Component, it is characterised in that：
Further include the first hydrostatic slideway (6), fixed supporting seat (5), output of products connector (14), linear bearing (13) or set
Cylinder, the second hydrostatic slideway (7), the second hydrostatic slideway support base (8) and vibration transferring member (4)；
The power charging assembly includes power loading cylinder (11) and loading end connection (10)；
First hydrostatic slideway (6) is identical with the structure of the second hydrostatic slideway (7), including guide rail and sliding block；
The sliding block of first hydrostatic slideway (6) is connect with by the fixing end of trial product (15), first hydrostatic slideway (6)
Guide rail is connect with fixed supporting seat (5),
The power output terminal by trial product (15) is connect with output of products connector (14), and output of products connector (14) passes through
Linear bearing (13) or sleeve are connect with the sliding block of the second hydrostatic slideway (7), the guide rail and second of second hydrostatic slideway (7)
Hydrostatic slideway support base (8) connects, and the power output terminal of the power loading cylinder is led by loading end connection (10) with the second static pressure
Rail support base (8) connects；
The vibration transferring member (4) is fixed on shake table (16), one end and the first hydrostatic slideway of vibration transferring member (4)
(6) sliding block connection, the other end of vibration transferring member (4) are fixedly connected with linear bearing (13) or sleeve.
2. the force loading system during the product testing that moves along a straight line under a kind of vibration condition according to claim 1,
It is characterized in that：
Lead ring (9) is additionally provided on the outside of the loading end connection (10).
3. the force loading system during the product testing that moves along a straight line under a kind of vibration condition according to claim 1 or 2,
It is characterized in that：
Fixed frame (12) and rack are further included, the fixed supporting seat (5), lead ring (9) are arranged on fixed frame (12), described solid
Determine frame (12) to be fixed on the rack with power loading cylinder.
4. the force loading system during the product testing that moves along a straight line under a kind of vibration condition according to claim 3,
It is characterized in that：
The power loading cylinder (11) is cylinder, oil cylinder or servoBcylinder.
5. the force loading system during the product testing that moves along a straight line under a kind of vibration condition according to claim 1,
It is characterized in that：
Further include the force snesor for being arranged on loading cylinder power output terminal.
6. the force loading system during the product testing that moves along a straight line under a kind of vibration condition according to claim 1,
It is characterized in that：
Further include the displacement sensor for being arranged on loading cylinder power output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783490.2U CN207600705U (en) | 2017-12-19 | 2017-12-19 | A kind of force loading system during the product testing that moves along a straight line under vibration condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721783490.2U CN207600705U (en) | 2017-12-19 | 2017-12-19 | A kind of force loading system during the product testing that moves along a straight line under vibration condition |
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| CN207600705U true CN207600705U (en) | 2018-07-10 |
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| CN201721783490.2U Active CN207600705U (en) | 2017-12-19 | 2017-12-19 | A kind of force loading system during the product testing that moves along a straight line under vibration condition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860541A (en) * | 2017-12-19 | 2018-03-30 | 西安庆安航空试验设备有限责任公司 | A kind of force loading system during the product testing that moved along a straight line under vibration condition |
-
2017
- 2017-12-19 CN CN201721783490.2U patent/CN207600705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860541A (en) * | 2017-12-19 | 2018-03-30 | 西安庆安航空试验设备有限责任公司 | A kind of force loading system during the product testing that moved along a straight line under vibration condition |
| CN107860541B (en) * | 2017-12-19 | 2023-12-26 | 西安庆安航空试验设备有限责任公司 | Force loading system in test process of linear motion product under vibration condition |
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