CN106194902B - A kind of force loading device based on spring - Google Patents
A kind of force loading device based on spring Download PDFInfo
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- CN106194902B CN106194902B CN201610835498.2A CN201610835498A CN106194902B CN 106194902 B CN106194902 B CN 106194902B CN 201610835498 A CN201610835498 A CN 201610835498A CN 106194902 B CN106194902 B CN 106194902B
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- bearing
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- bottom plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/007—Simulation or modelling
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
A kind of force loading device based on spring, including bottom plate, linear bearing, bearing element one, bearing element two, bearing element three, hydraulic cylinder, lifting bolt, spring and screw rod；The guide rail parallel of linear bearing is placed on bottom plate, and block skids off guide rail for anti-limited slip block；Bearing element one is fixed on two sliding blocks of the linear bearing；Bearing element two and bearing element three are fixed on bottom plate；Hydraulic cylinder passes through bearing element two, and both ends are connected with bearing element one and bearing element three respectively；Spring is installed between the lifting bolt of bearing element one and bearing element two.The present invention uses passive load mode, and system composition is simple, cost is low；Spring is installed for multiple arrays, and the quantity for changing spring is easily achieved different loading forces；Connected between bearing A and bottom plate by linear bearing, reduce influence of the frictional force to loading force, reduce the stagnant ring spring of loading device；Loading to resistance is realized using extension spring, it is simple compared to compression spring attachment structure.
Description
Technical field
It is especially a kind of simple in construction, available for different loading forces the present invention relates to the load simulation field of hydraulic cylinder
Spring charging device.
Background technology
The load simulation of hydraulic cylinder is typically loaded using electro-hydraulic loading or overflow valve.Electrohydraulic servo system be it is a kind of by
Electric signal process unit and hydraulic power mechanism composition feedback control system, including command potential device, comparator, amplifier,
Electrohydraulic servo valve, feedback potentiometer and workbench.Overflow valve loading system generally comprise fuel tank, high-pressure oil pump, bitubular oil filter,
Overflow valve, hydraulic directional valve, load cylinder, accumulator, oil cooler, deslagging pump and each oil pipe line.Two schemes are all relatively more multiple
It is miscellaneous, cost is high, required occupation area of equipment is big, and complex operation.
The content of the invention
It is an object of the invention to provide a kind of force loading device based on spring, solves the load simulation system knot of hydraulic cylinder
The problem of structure is complicated, cost is high.
Specifically, the invention provides a kind of force loading device based on spring, including bottom plate, linear bearing, bearing list
Member one, bearing element two, bearing element three, hydraulic cylinder, lifting bolt, spring and screw rod；
The linear bearing includes two guide rails, two sliding blocks and two blocks, and guide rail is for bearing, fixing, guide shoe, and two lead
Rail is parallel to be placed on the bottom plate, and is connected with the bottom plate screw, and two sliding block is respectively placed on two guide rails, can be along guide rail
Linear motion, two block is fixed on the guide rail of linear bearing, and is connected by screw with bottom plate；
The bearing element one is fixed on two sliding blocks of the linear bearing；The bearing element two and bearing element three
It is fixed on bottom plate；The hydraulic cylinder passes through bearing element two, and both ends are connected with bearing element one and bearing element three respectively；
The lifting bolt is installed on bearing element one and bearing element two；The spring is installed on bearing element one and bearing element two
Lifting bolt between.
Further, the bearing element one includes bearing A, journal stirrup A and bearing pin A；The bearing A is L-type structure, including
Bottom panel, side panel and bearing rib, the bottom panel and are placed in the cunning of the linear bearing across two slide rails of linear bearing
On block, and it is 2 with the linear bearing mode connects for screw, bearing rib quantity, connects side panel and bottom panel；The journal stirrup A is put
In on the side panel of the bearing A, and with the side panel mode connects for screw of the bearing A；The bearing pin A is placed on the journal stirrup A,
And connected by holding screw.
Further, the bearing element two includes bearing B and displacement transducer；The bearing B is L-type structure, including
Bottom panel, side panel and bearing rib, the bottom panel are placed on bottom plate, staggered relatively with the bearing A, and with the bottom plate
Mode connects for screw, there is circular hole on side panel, bearing rib quantity is 2, connects side panel and bottom panel；Institute's displacement sensors body
Be placed on the bearing B, and with the bearing B mode connects for screw.
Further, the bearing element three includes bearing C, force snesor, journal stirrup B, bearing pin B；The bearing C is L-type
Structure, including bottom panel, side panel and bearing rib, the bottom panel are placed on the bottom plate, are put in the same direction with the bearing B
Put, and be connected with the bottom plate screw, bearing rib quantity is 2, connects side panel and bottom panel；The force snesor is placed in institute
On the side panel for stating bearing C, and it is threadedly coupled with the side panel of the bearing C；The journal stirrup B is placed on the force snesor,
And it is threadedly coupled with the force snesor；The bearing pin B is placed on the journal stirrup B, and is connected by holding screw.
Further, the hydraulic cylinder pass through the bearing B4 side panels circular hole, one end by the hydraulic cylinder piston
Bar is connected with the bearing pin A, and the other end is connected by the cylinder barrel of the hydraulic cylinder with the bearing pin B.
Further, the lifting bolt is threaded in the side panel of the bearing A and the side panel of the bearing B
On, the spring is extension spring, and hanging over for the spring one end is placed on the lifting bolt of the bearing A side panels,
Hanging over for the other end is placed on the lifting bolt of the bearing B side panels.
Further, the screw rod threaded one end is connected on the bearing A, and nut tightening is locking, the other end and institute
The bracing wire end threaded connection of displacement sensors, and it is locking by nut tightening.
Further, two rows are opened up on the bottom plate and are used to install the linear bearing and four rows for installing the bearing
B and bearing C connecting hole.
Further, bearing A side panels and bearing B the side panel upper lift ring screws are two rows, often arrange four totally eight
Individual, correspondingly, spring is 1~8, can change the quantity of spring, realize the simulation of different loading forces.
A kind of hydraulic cylinder load simulation method using the force loading device, simulation process are：Hydraulic cylinder piston rod is stretched
Go out, bearing A motions are promoted by bearing pin A and journal stirrup A, bearing A by spring elongation, is realized and hydraulic cylinder is stretched out by lifting bolt
The loading of resistance, the largest motion scope of block straight limit bearing slider, prevents linear bearing sliding block from skidding off linear bearing
Guide rail；Bearing A pulls the bracing wire campaign of displacement transducer by screw rod, realizes the output of displacement transducer；The cylinder barrel of hydraulic cylinder
Force snesor is compressed, force sensor measuring simultaneously exports thrust.
The beneficial effects of the invention are as follows：Using passive load mode, system composition is simple, cost is low；Spring is multiple battle arrays
Row installation, the quantity for changing spring are easily achieved different loading forces；Connected, dropped by linear bearing between bearing A and bottom plate
Influence of the low-frictional force to loading force, reduce the stagnant ring of loading device；Spring is realized to stretch out hydraulic cylinder using extension spring to be hindered
The loading of power, it is simpler compared to compression spring attachment structure.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole accompanying drawing
In, identical reference symbol represents identical part.
Fig. 1 is the force loading device front view of the present invention；
Fig. 2 is the force loading device top view of the present invention；
Fig. 3 is the top view after the force loading device concealed spring of the present invention.
In figure：1- bottom plates, 2- linear bearings, 3- bearing A, 4- bearing B, 5- bearing C, 6- force snesor, 7- journal stirrups A, 8-
Journal stirrup B, 9- hydraulic cylinder, 10- bearing pin A, 11- bearing pin B, 12- lifting bolt, 13- springs, 14- displacement transducers, 15- screw rods,
16- blocks.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
The invention provides a kind of force loading device based on spring, including：Bottom plate 1, linear bearing 2, bearing element one,
Bearing element two, bearing element three, hydraulic cylinder 9, lifting bolt 12, spring 13 and screw rod 15.
As shown in figure 1, linear bearing 2 selects line slideway bearing, including two guide rails, two sliding blocks and two blocks 16.Two lead
Rail is for bearing, fixing, guide shoe so that sliding block moves along a straight line along guide rail, and line slideway bearing can effectively reduce friction damage
Consumption.Two guide rail parallels of linear bearing 2 are placed on bottom plate 1, and are put respectively with the mode connects for screw of bottom plate 1, two sliding blocks of linear bearing 2
In on two guide rails, can be moved along a straight line along guide rail.Two blocks 16 are fixed on the guide rail of linear bearing 2, and pass through screw and bottom plate 1
Connection.
As shown in Figures 1 to 3, bearing element one includes bearing A3, journal stirrup A7 and bearing pin A10.Bearing A3 is L-type, including bottom
Panel, side panel and bearing rib, bottom panel and are placed on the sliding block of linear bearing 2 across two slide rails of linear bearing 2, and
With the mode connects for screw of linear bearing 2, bearing rib quantity is 2, connects side panel and bottom panel, side panel is played a supportive role.Branch
Ear A7 is placed on bearing A3 side panel, and with bearing A3 side panel mode connects for screw.Bearing pin A10 is placed on journal stirrup A7, and is led to
Cross tightening mode connects for screw.
Bearing element two includes bearing B4 and displacement transducer 14.Bearing B4 and bearing A3 are staggered relatively, and bearing B4 is L
Type, including bottom panel, side panel and bearing rib, bottom panel are placed on bottom plate 1, and with the mode connects for screw of bottom plate 1, have on side panel
Circular hole, bearing rib quantity are 2, connect side panel and bottom panel, side panel is played a supportive role.The body of displacement transducer 14 is put
In on bearing B4, and with bearing B4 mode connects for screw.
Bearing element three includes bearing C5, force snesor 6, journal stirrup B8, bearing pin B11.Bearing C5 is L-type, including bottom panel,
Side panel and bearing rib, bottom panel are placed on bottom plate 1, are placed in the same direction with bearing B4, and with the mode connects for screw of bottom plate 1, brace rod
Plate quantity is 2, connects side panel and bottom panel, side panel is played a supportive role.Force snesor 6 is placed in bearing C5 side panel
On, and be threadedly coupled with bearing C5 side panel.Journal stirrup B8 is placed on force snesor 6, and is threadedly coupled with force snesor 6.Pin
Axle B11 is placed on journal stirrup B8, and connected by holding screw.
Hydraulic cylinder 9 passes through the circular hole of bearing B4 side panels, and one end is connected by the piston rod of hydraulic cylinder 9 with bearing pin A10, another
End is connected by the cylinder barrel of hydraulic cylinder 9 with bearing pin B11.
Lifting bolt 12 is threaded on bearing A3 side panel and bearing B4 side panel, and spring 13 is stretching bullet
Spring, simpler compared to compression spring attachment structure, spring one end hangs over the lifting bolt for being placed in bearing A3 side panels
On 12, hanging over for the other end is placed on the lifting bolt 12 of bearing B4 side panels.
The threaded one end of screw rod 15 is connected on bearing A3, and nut tightening is locking, the drawing of the other end and displacement transducer 14
Line end is threadedly coupled, and locking by nut tightening.
Two rows are opened up on bottom plate 1 to be used to the connecting hole that the row of linear bearing 2 and four is used for erection support B4 and bearing C5 be installed,
Line translation is entered in the convenient position to linear bearing 2, bearing B4 and bearing C5, meanwhile, in the present embodiment preferably, bearing A3 sides
Plate and bearing B4 side panel upper lift rings screw 12 are two rows, often arrange four totally eight, correspondingly, spring 13 is two rows, is often arranged
Four totally eight, in practical operation, the quantity of situation of change increase and decrease spring can be loaded according to hydraulic cylinder 9, realizes different loading forces
Simulation.
During work, the piston rod of hydraulic cylinder 9 stretches out, and promotes bearing A3 motions by bearing pin A10, journal stirrup A7, bearing A3 passes through
Lifting bolt 12 elongates spring 13, realizes the loading that resistance is stretched out to hydraulic cylinder 9, the sliding block of 16 straight limit bearing of block 2
Largest motion scope, prevent the sliding block of linear bearing 2 from skidding off the guide rail of linear bearing 2；Bearing A3 pulls displacement to pass by screw rod 15
The bracing wire campaign of sensor 14, realizes the output of displacement transducer 14；The cylinder barrel of hydraulic cylinder 9 compresses force snesor 6, force snesor 6
Measure and export thrust.
In the present embodiment, it is preferable that distance is 300mm between two closed slides, can ensure that whole system balances；Bottom plate
Spacing is 100mm between the adjacent connecting hole for being used to install linear bearing 2 often arranged on 1, is often arranged for erection support B4 and branch
Spacing is 100mm between seat C5 adjacent connecting hole, and line translation is entered in the convenient position to linear bearing 2, bearing B4 and bearing C5；
Base plate size is that 1200 × 400mm, correspondingly bearing A3, bearing B4 and bearing C5 width are 400mm, adjacent company on bottom panel
The distance for connecing hole width direction is 100mm；Two gusset spacing of each bearing are 200mm, and on the cross central line of bottom plate 1
Symmetrically；Force snesor 6 is diaphragm type force snesor, can accurately determine the power acted on hydraulic cylinder 9, that is, hydraulic cylinder
9 load；Displacement transducer 14 is linear displacement transducer, can accurately determine the displacement of spring, that is, the position of hydraulic cylinder 9
Move.After the displacement and load that determine hydraulic cylinder 9, change the overhang of the piston rod of hydraulic cylinder 9, correspondingly determine different overhangs
That is the load for the hydraulic cylinder that force snesor 6 corresponding to the displacement 14 of displacement transducer measure determines, it is possible to obtain hydraulic cylinder 9
Working characteristics.
In summary, the invention provides a kind of force loading device based on spring, using passive load mode, system group
Into it is simple, cost is low；Spring is installed for multiple arrays, and the quantity for changing spring is easily achieved different loading forces；Bearing A and bottom
Connected between plate by linear bearing, reduce influence of the frictional force to loading force, reduce the stagnant ring of loading device；Spring is using drawing
Stretch spring and realize the loading that resistance is stretched out to hydraulic cylinder, it is simpler compared to compression spring attachment structure.
Although combined preferred embodiment is described in detail to the present invention, those skilled in the art should
What it is when understanding is that various amendments are all allowed, and they both fall within this hair in the case of without prejudice to spirit of the invention and essence
Among bright scope of the claims.
Claims (10)
1. a kind of force loading device based on spring, it is characterised in that including bottom plate, linear bearing, bearing element one, bearing list
Member two, bearing element three, hydraulic cylinder, lifting bolt, spring and screw rod；
The linear bearing includes two guide rails, two sliding blocks and two blocks, and guide rail is for bearing, fixing, guide shoe, and two guide rails are put down
Row is placed on the bottom plate, and is connected with the bottom plate screw, and two sliding block is respectively placed on two guide rails, can be along guide rail straight line
Motion, two block is fixed on the guide rail of linear bearing, and is connected by screw with bottom plate；
The bearing element one is fixed on two sliding blocks of the linear bearing；The bearing element two and bearing element three are fixed
In on bottom plate；The hydraulic cylinder passes through bearing element two, and both ends are connected with bearing element one and bearing element three respectively；It is described
Lifting bolt is installed on bearing element one and bearing element two；The spring is installed on hanging for bearing element one and bearing element two
Between ring screw.
2. a kind of force loading device based on spring according to claim 1, it is characterised in that the bearing element one wraps
Include bearing A, journal stirrup A and bearing pin A；The bearing A is L-type structure, including bottom panel, side panel and bearing rib, the bottom surface
Plate and is placed on the sliding block of the linear bearing across two slide rails of linear bearing, and with the linear bearing mode connects for screw, branch
It is 2 to support gusset quantity, connects side panel and bottom panel；The journal stirrup A is placed on the side panel of the bearing A, and with the branch
Seat A side panel mode connects for screw；The bearing pin A is placed on the journal stirrup A, and is connected by holding screw.
3. a kind of force loading device based on spring according to claim 2, it is characterised in that the bearing element two wraps
Include bearing B and displacement transducer；The bearing B is L-type structure, including bearing B bottom panels, bearing B side panels and bearing B supports
Gusset, the bearing B bottom panels are placed on bottom plate, staggered relatively with the bearing A, and are connected with the bottom plate screw, bearing B
There is circular hole on side panel, bearing B bearing ribs quantity is 2, connects bearing B side panels and bearing B bottom panels；The displacement sensing
Device body is placed on the bearing B, and with the bearing B mode connects for screw.
A kind of 4. force loading device based on spring according to claim 3, it is characterised in that the bearing element three guarantees
Include bearing C, force snesor, journal stirrup B, bearing pin B；The bearing C is L-type structure, including bottom panel, side panel and bearing rib,
The bottom panel of the bearing C is placed on the bottom plate, is placed in the same direction with the bearing B, and is connected with the bottom plate screw, support
Gusset quantity is 2, connects bearing C side panel and bearing C bottom panel；The force snesor is placed in the side of the bearing C
On plate, and it is threadedly coupled with the side panel of the bearing C；The journal stirrup B is placed on the force snesor, and is sensed with the power
Device is threadedly coupled；The bearing pin B is placed on the journal stirrup B, and is connected by holding screw.
5. a kind of force loading device based on spring according to claim 4, it is characterised in that the hydraulic cylinder passes through institute
The circular hole of bearing B side panels is stated, one end is connected by the piston rod of the hydraulic cylinder with the bearing pin A, and the other end is by the hydraulic pressure
The cylinder barrel of cylinder is connected with the bearing pin B.
A kind of 6. force loading device based on spring according to claim 4, it is characterised in that the lifting bolt screw thread
It is connected on the side panel of the bearing A and the side panel of the bearing B, the spring is extension spring, the spring one end
Hang over and be placed on the lifting bolt of the bearing A side panels, the hook of the other end, which is hung over, is placed in the bearing B side panels
Lifting bolt on.
A kind of 7. force loading device based on spring according to claim 4, it is characterised in that the screw rod threaded one end
It is connected on the bearing A, and nut tightening is locking, the other end is threadedly coupled with the bracing wire end of institute's displacement sensors, and is led to
It is locking to cross nut tightening.
8. a kind of force loading device based on spring according to claim 4, it is characterised in that open up two on the bottom plate
Arrange the connecting hole for installing the linear bearing and four rows for installing the bearing B and bearing C.
A kind of 9. force loading device based on spring according to claim 8, it is characterised in that the bearing A side panels
It is two rows with bearing B side panel upper lift ring screws, often arranges four totally eight, correspondingly, spring is 1~8.
10. a kind of usage right requires the hydraulic cylinder load simulation method of 1~9 any force loading device, it is characterised in that
Simulation process is：Hydraulic cylinder piston rod stretches out, and promotes bearing A motions by bearing pin A and journal stirrup A, bearing A will by lifting bolt
Spring elongation, the loading that resistance is stretched out to hydraulic cylinder is realized, the largest motion scope of block straight limit bearing slider, is prevented straight
Line bearing slider skids off the guide rail of linear bearing；Bearing A pulls the bracing wire campaign of displacement transducer by screw rod, realizes that displacement passes
The output of sensor；The cylinder barrel of hydraulic cylinder compresses force snesor, and force sensor measuring simultaneously exports thrust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835498.2A CN106194902B (en) | 2016-09-20 | 2016-09-20 | A kind of force loading device based on spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835498.2A CN106194902B (en) | 2016-09-20 | 2016-09-20 | A kind of force loading device based on spring |
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| Publication Number | Publication Date |
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| CN106194902A CN106194902A (en) | 2016-12-07 |
| CN106194902B true CN106194902B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610835498.2A Active CN106194902B (en) | 2016-09-20 | 2016-09-20 | A kind of force loading device based on spring |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725534B (en) * | 2017-11-08 | 2019-06-04 | 南京工程学院 | A kind of load hydraulic loaded experimental system that axial load is adjustable |
| CN108519438B (en) * | 2018-01-24 | 2021-01-12 | 浙江理工大学 | Axial force high-precision loading device for elastic wave detection |
| CN110293420B (en) * | 2019-06-09 | 2024-08-06 | 浙江贝尔轨道装备有限公司 | Horizontal automatic centering device and system for clamping core rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5302104A (en) * | 1992-06-18 | 1994-04-12 | High Dental Service Co., Ltd. | Resin denture base molding apparatus |
| CN203455454U (en) * | 2013-09-10 | 2014-02-26 | 长春航空液压控制有限公司 | Spring force loading device |
| CN103790895B (en) * | 2014-02-28 | 2016-07-06 | 南京理工大学 | Hydraulic cylinder side force assay device |
| CN204462792U (en) * | 2015-03-31 | 2015-07-08 | 扬州润泽液压有限公司 | Intelligent Compression rubbish load simulation testing table |
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