CN206593966U - A kind of attenuation test device of extension spring and compression spring - Google Patents
A kind of attenuation test device of extension spring and compression spring Download PDFInfo
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- CN206593966U CN206593966U CN201720105280.1U CN201720105280U CN206593966U CN 206593966 U CN206593966 U CN 206593966U CN 201720105280 U CN201720105280 U CN 201720105280U CN 206593966 U CN206593966 U CN 206593966U
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- spring
- movable plate
- test device
- extension spring
- compression spring
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Abstract
The utility model discloses the attenuation test device of a kind of extension spring and compression spring, the test device includes frame, movable plate for driving camber of spring to be tested, for driving movable plate to make vertical reciprocating vertical drive mechanism and the vertical guiding mechanism being located between movable plate and frame, it is characterized in that, also include the locating shaft for retaining spring, pull pressure sensor, displacement transducer and data processing unit, wherein, spring housing to be tested is on locating shaft, the locating shaft is upward through movable plate and forms slide construction, the bottom connection of the pull pressure sensor and spring, the top of spring is connected with movable plate；Institute's displacement sensors are connected with movable plate；The signal input part connection of the pull pressure sensor and displacement transducer and data processing unit.Attenuation test device of the present utility model can carry out attenuation test to extension spring and compression spring.
Description
Technical field
The utility model is related to a kind of mechanical test equipment, and in particular to the test dress of a kind of extension spring and compression spring
Put.
Background technology
Spring is a kind of machine components, and it utilizes the elasticity and design feature of material, is operationally deformed, machinery
Work(or kinetic energy are changed into deformation energy, or deformation energy is changed into mechanical work or kinetic energy.The type of spring is a lot, comes by planform
Point, spring is roughly divided into cylindrically coiled spring, non-cylindrical helical spring and other springs.Cylindrically coiled spring can be divided into spiral again
Compression spring, spiral stretching spring and helical torsional spring etc..
The spring that is produced for each batch is, it is necessary to inspect the correlation test that some samples carry out spring by random samples, and existing bullet
Spring test device can only be tested the life-span of spring.It is that spring is subjected to Repeated Compression, after several times, checks bullet
Whether spring product there is crackle or fracture, so as to judge whether spring meets the life requirements of product；However, making for spring
The test device of attenuation characteristic during, not correlation, the decay of spring refers to that the coefficient of elasticity k of spring was being used
Influence of fading occurs for the change in journey, spring to the performance of spring, is the important performance indexes of spring.Also, existing bullet
Spring test device can only be tested the spring (stage clip, central diameter, length consistent etc.) of same type, same model, and can not be to many
Type, the spring of plurality of specifications are tested, and versatility is relatively low, there is limitation.
Utility model content
The utility model aims to overcome that the deficiencies in the prior art, and there is provided the decay of a kind of extension spring and compression spring
Test device, the device can carry out attenuation test to extension spring and compression spring.
The purpose of this utility model is achieved through the following technical solutions：
A kind of attenuation test device of extension spring and compression spring, including frame, for driving camber of spring to be tested
Movable plate, for driving movable plate to make vertical reciprocating vertical drive mechanism and be located between movable plate and frame
Vertical guiding mechanism, it is characterised in that also including for the locating shaft of retaining spring, pull pressure sensor, displacement transducer with
And data processing unit, wherein, spring housing to be tested is on locating shaft, and the locating shaft is upward through movable plate and forms slip
The bottom connection of structure, the pull pressure sensor and spring, the top of spring is connected with movable plate；Institute's displacement sensors with
Movable plate is connected；The signal input part connection of the pull pressure sensor and displacement transducer and data processing unit.
The operation principle of the attenuation test device of above-mentioned extension spring and compression spring is：Spring to be tested is pacified before test
It is attached on locating shaft, the upper and lower ends of spring are connected with movable plate and pull pressure sensor respectively；During test, vertical drive mechanism
Driving movable plate makees vertical reciprocating motion under the guiding of vertical guiding mechanism, (is directed to so as to produce pressure to spring to be tested
Compression spring, similarly hereinafter) or pulling force (being directed to extension spring, similarly hereinafter), pass through the current pressure of the real-time detection spring of pull pressure sensor
Power or pulling force F, and by the current deflection x of the real-time detection spring of displacement transducer, so that can be with by data processing unit
The coefficient of elasticity k=F/x of spring is calculated in real time, in this manner it is possible to carry out attenuation characteristic to extension spring and compression spring simultaneously
Test.
A preferred scheme of the present utility model, wherein, the vertical drive mechanism includes motor and screw rod transmission machine
Structure, wherein, the motor is fixed in frame, the screw mandrel connection in the main shaft and lead screw transmission mechanism of the motor, the screw mandrel
Two ends be connected to respectively by top chock and step in frame, the feed screw nut in lead screw transmission mechanism is arranged on institute
State on movable plate.Movable plate can be accurately driven to make vertical reciprocating motion using above-mentioned vertical drive mechanism, it is simple in construction, just
In control.
A preferred scheme of the present utility model, wherein, upper limit position switch is provided with the top of movable plate in the frame,
Lower position switch is provided with the lower section of movable plate.The vertical of movable plate is limited by setting upper limit position switch and lower position switch
Movement travel, it is ensured that movable plate moves back and forth by the stroke of setting, the position of the upper limit position switch and lower position switch
Can be with flexible modulation, so as to adapt to no test range demands.
A preferred scheme of the present utility model, wherein, the vertical guiding mechanism includes guide rod and is matched with guiding
Linear slider on bar, wherein, the two ends of the guide rod are fixed in frame, and the linear slider is arranged on movable plate.
The vertical motion of movable plate is accurately oriented to by above-mentioned vertical guiding mechanism, measuring accuracy is improved.
A preferred scheme of the present utility model, wherein, the frame includes upper plate, lower plate, column and riser, its
In, column connection forms frame structure between the upper and lower plates, the top and bottom of the riser respectively with upper plate and
Lower plate is connected.The rack construction of said structure is simple, and good rigidity is easy to the arrangement of all parts.
Preferably, the motor is fixed on upper plate；The top chock, step, upper limit position switch and lower limit
Bit switch is arranged on riser；The two ends of the guide rod are connected with upper plate and lower plate respectively；The two ends of the locating shaft point
It is not connected with upper plate and lower plate.All parts can be so set into frame with compact.
A preferred scheme of the present utility model, wherein, the bottom of the lower plate is provided with regulation pin and castor, in order to adjust
Save the height of frame and attenuation test device is moved.
A preferred scheme of the present utility model, wherein, when the spring is extension spring, above and below the extension spring
Two ends are provided with drag hook, and two drag hooks are connected on movable plate and pull pressure sensor.
A preferred scheme of the present utility model, wherein, institute's displacement sensors are connected through a screw thread structure and movable plate
Connection, is so easily installed and dismantles.
Extension spring and compression spring that a kind of attenuation test device of the above-mentioned extension spring of application and compression spring is realized
Decay testing method, it is characterised in that comprise the following steps：
(1) vertical drive mechanism driving movable plate makees vertical reciprocating motion under the guiding of vertical guiding mechanism, promotes to treat
Test spring and produce the dilatation carried out repeatedly；
(2) the current elastic force F of the real-time detection spring of the pull pressure sensor, the real-time detection spring of institute's displacement sensors
Current deflection x, spring often makees the corresponding elastic force F of a dilatation and deflection x data are delivered to data processing list
Member is preserved；
(3) data processing unit is according to the elastic force F and deflection x data, and combines Hooke's law F=kx, wherein k
For coefficient of elasticity, calculate spring and often make the corresponding coefficient of elasticity k of a dilatation, can by judging coefficient of elasticity k change
Know the attenuation rate of spring.
The utility model has following beneficial effect compared with prior art：
1st, attenuation test device of the present utility model is by setting pull pressure sensor and displacement transducer to detect bullet in real time
The elastic force and deflection of spring, the coefficient of elasticity k of spring situation of change is obtained by the calculating of data processing unit, is realized pair
The measurement of spring attenuation characteristic.
2nd, attenuation test device of the present utility model can be used to test extension spring, can be used for test compression spring,
Versatility is good, is more widely applied.
Brief description of the drawings
Fig. 1-Fig. 3 is one of the attenuation test device of extension spring described in the utility model and compression spring specific real
Mode structural representation is applied, wherein, Fig. 1 is front view, and Fig. 2 is left view, and Fig. 3 is the bullet to be tested shown in stereogram, figure
Spring is spiral compression spring.
Fig. 4 be extension spring described in the utility model and compression spring attenuation test device in when spring to be measured is spiral shell
Revolve dimensional structure diagram during extension spring.
Embodiment
The utility model is further described with reference to embodiment and accompanying drawing, but embodiment of the present utility model is not
It is only limitted to this.
Referring to Fig. 1-Fig. 3, the attenuation test device of extension spring and compression spring of the present utility model includes frame 6, used
In drive camber of spring to be tested movable plate 4, for drive movable plate 4 make vertical reciprocating vertical drive mechanism and
It is located at the vertical guiding mechanism between movable plate 4 and frame 6；In addition, also including locating shaft 2, the pressure for retaining spring
Sensor 8, displacement transducer 13 and data processing unit, wherein, spring housing to be tested is on locating shaft 2, the locating shaft 2
Be upward through movable plate 4 and form slide construction, the pull pressure sensor 8 is connected with the bottom of spring, the top of spring with
Movable plate 4 is connected；Institute's displacement sensors 13 are connected with movable plate 4；The pull pressure sensor 8 and displacement transducer 13 and number
Connected according to the signal input part of processing unit.
Referring to Fig. 1-Fig. 3, the vertical drive mechanism includes motor 1 and lead screw transmission mechanism, wherein, the motor 1
It is fixed in frame 6, the main shaft of the motor 1 is connected by decelerator 18 with the screw mandrel 5 in lead screw transmission mechanism, the screw mandrel 5
Two ends be connected to respectively by top chock 15 and step 19 in frame 6, the feed screw nut 14 in lead screw transmission mechanism
It is arranged on the movable plate 4.Movable plate 4 can be accurately driven to make vertical reciprocating motion using above-mentioned vertical drive mechanism,
It is simple in construction, it is easy to control.
Referring to Fig. 1-Fig. 3, upper limit position switch 16 is provided with the top of movable plate 4 in the frame 6, under movable plate 4
Side is provided with lower position switch 17, and during work, movable plate 4 is touched after above-mentioned upper limit position switch 16 and lower position switch 17, and motor 1 stops
Only work, and invert.The vertical motion stroke of movable plate 4 is limited by setting upper limit position switch 16 and lower position switch 17,
Ensure that movable plate 4 moves back and forth by the stroke of setting, the position of the upper limit position switch 16 and lower position switch 17 may be used also
With flexible modulation, so as to adapt to no test range demands.
Referring to Fig. 1-Fig. 3, the vertical guiding mechanism includes guide rod 10 and the linear slider being matched with guide rod 10
12, wherein, the two ends of the guide rod 10 are fixed in frame 6, and the linear slider 12 is arranged on movable plate 4.By upper
The vertical guiding mechanism stated accurately is oriented to the vertical motion of movable plate 4, improves measuring accuracy.
Referring to Fig. 1-Fig. 3, the frame 6 includes upper plate 3, lower plate 9, column 22 and riser 21, wherein, the column 22
It is connected between upper plate 3 and lower plate 9 and forms frame structure, the top and bottom of the riser 21 connects with upper plate 3 and lower plate 9 respectively
Connect.The frame 6 of said structure is simple in construction, and good rigidity is easy to the arrangement of all parts.
Referring to Fig. 1-Fig. 3, the motor 1 is fixed on upper plate 3；The top chock 15, step 19, upper limit are opened
Pass 16 and lower position switch 17 are arranged on riser 21；The two ends of the guide rod 10 connect with upper plate 3 and lower plate 9 respectively
Connect；The two ends of the locating shaft 2 are connected with upper plate 3 and lower plate 9 respectively.So frame can be arrived with compact set all parts
In 6.
Referring to Fig. 1-Fig. 3, the bottom of the lower plate 9 is provided with regulation pin 7 and castor 20, in order to adjust the height of frame 6
And attenuation test device is moved.
Referring to Fig. 1-Fig. 3, institute's displacement sensors 13 are connected through a screw thread structure and are connected with movable plate 4, are so easy to peace
Assembly and disassembly.During work, the sliding part in displacement transducer 13 slides up and down in slide rail 13-1, and displacement transducer 13 passes through
The sliding distance of sliding part is detected to obtain the displacement of movable plate 4.
Referring to Fig. 1-Fig. 3, when the spring is spiral compression spring 11, the two sections point of the spiral compression spring 11
It is not pushed against on movable plate 4 and pull pressure sensor 8.
Referring to Fig. 4, when the spring is spiral stretching spring 23, the upper and lower ends of the spiral stretching spring 23 are provided with drawing
Hook 23-1, two drag hook 23-1 are connected on movable plate 4 and pull pressure sensor 8.
Below in conjunction with the accompanying drawings to extension spring of the present utility model and the operation principle of the attenuation test device of compression spring
It is further described：
Referring to Fig. 1-Fig. 4, spring to be tested is installed on locating shaft 2 before test, the upper and lower ends of spring respectively with shifting
Dynamic plate 4 and pull pressure sensor 8 are connected；During test, vertical drive mechanism drives movable plate 4 under the guiding of vertical guiding mechanism
Make vertical reciprocating motion, so as to produce pressure (being directed to compression spring) or pulling force (being directed to extension spring) to spring to be tested, lead to
The current pressure or pulling force F of the real-time detection spring of pull pressure sensor 8 are crossed, and is worked as by the real-time detection spring of displacement transducer 13
Preceding deflection x, so that the coefficient of elasticity k=F/x of spring can be calculated in real time by data processing unit, in this manner it is possible to
The test of attenuation characteristic is carried out to extension spring and compression spring simultaneously.
Extension spring that the attenuation test device of the above-mentioned extension spring of application of the present utility model and compression spring is realized and
The decay testing method of compression spring, comprises the following steps：
(1) vertical drive mechanism driving movable plate 4 makees vertical reciprocating motion under the guiding of vertical guiding mechanism, promotes to treat
Test spring and produce the dilatation carried out repeatedly；
(2) the current elastic force F of the real-time detection spring of the pull pressure sensor 8, institute's displacement sensors 13 are detected in real time
The current deflection x of spring, spring often makees the corresponding elastic force F of a dilatation and deflection x data are delivered at data
Unit is managed to preserve；
(3) data processing unit is according to the elastic force F and deflection x data, and combines Hooke's law F=kx, wherein k
For coefficient of elasticity, calculate spring and often make the corresponding coefficient of elasticity k of a dilatation, can by judging coefficient of elasticity k change
Know the attenuation rate of spring.
Above-mentioned is the utility model preferably embodiment, but embodiment of the present utility model is not by the above
Limitation, it is other it is any without departing from Spirit Essence of the present utility model and the change made under principle, modification, replacement, combine, it is simple
Change, should be equivalent substitute mode, be included within protection domain of the present utility model.
Claims (9)
1. the attenuation test device of a kind of extension spring and compression spring, including frame, for driving camber of spring to be tested
Movable plate, for driving movable plate to make vertical reciprocating vertical drive mechanism and be located at perpendicular between movable plate and frame
To guiding mechanism, it is characterised in that also including for the locating shaft of retaining spring, pull pressure sensor, displacement transducer and
Data processing unit, wherein, spring housing to be tested is on locating shaft, and the locating shaft is upward through movable plate and forms slip knot
The bottom connection of structure, the pull pressure sensor and spring, the top of spring is connected with movable plate；Institute's displacement sensors are with moving
Dynamic plate connection；The signal input part connection of the pull pressure sensor and displacement transducer and data processing unit.
2. the attenuation test device of extension spring according to claim 1 and compression spring, it is characterised in that described vertical
Drive mechanism includes motor and lead screw transmission mechanism, wherein, the motor is fixed in frame, the main shaft and screw mandrel of the motor
Screw mandrel connection in transmission mechanism, the two ends of the screw mandrel are connected in frame by top chock and step respectively, silk
Feed screw nut in bar transmission mechanism is arranged on the movable plate.
3. the attenuation test device of extension spring according to claim 2 and compression spring, it is characterised in that the frame
On the top of movable plate be provided with upper limit position switch, the lower section of movable plate be provided with lower position switch.
4. the attenuation test device of extension spring according to claim 3 and compression spring, it is characterised in that described vertical
Guiding mechanism includes guide rod and the linear slider being matched with guide rod, wherein, the two ends of the guide rod are fixed on frame
On, the linear slider is arranged on movable plate.
5. the attenuation test device of extension spring according to claim 4 and compression spring, it is characterised in that the frame
Including upper plate, lower plate, column and riser, wherein, the column connection forms frame structure between the upper and lower plates, described
The top and bottom of riser are connected with upper plate and lower plate respectively.
6. the attenuation test device of extension spring according to claim 5 and compression spring, it is characterised in that the motor
It is fixed on upper plate；The top chock, step, upper limit position switch and lower position switch are arranged on riser；Institute
The two ends for stating guide rod are connected with upper plate and lower plate respectively；The two ends of the locating shaft are connected with upper plate and lower plate respectively.
7. the attenuation test device of extension spring according to claim 5 and compression spring, it is characterised in that the lower plate
Bottom provided with regulation pin and castor.
8. the attenuation test device of extension spring according to claim 1 and compression spring, it is characterised in that when the bullet
When spring is extension spring, the upper and lower ends of the extension spring are provided with drag hook, and two drag hooks are connected to movable plate and pressure
On sensor.
9. the attenuation test device of extension spring according to claim 1 and compression spring, it is characterised in that the displacement
Sensor is connected through a screw thread structure and is connected with movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105280.1U CN206593966U (en) | 2017-01-24 | 2017-01-24 | A kind of attenuation test device of extension spring and compression spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105280.1U CN206593966U (en) | 2017-01-24 | 2017-01-24 | A kind of attenuation test device of extension spring and compression spring |
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| Publication Number | Publication Date |
|---|---|
| CN206593966U true CN206593966U (en) | 2017-10-27 |
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ID=60127749
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720105280.1U Active CN206593966U (en) | 2017-01-24 | 2017-01-24 | A kind of attenuation test device of extension spring and compression spring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596270A (en) * | 2017-01-24 | 2017-04-26 | 佛山佑尔汽车智能技术有限公司 | Test device and test method of attenuation of extension spring and compression spring |
| CN112525403A (en) * | 2020-11-26 | 2021-03-19 | 南京航空航天大学 | Electric and spring coupling pressure foot pressing force measuring device and control method |
-
2017
- 2017-01-24 CN CN201720105280.1U patent/CN206593966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596270A (en) * | 2017-01-24 | 2017-04-26 | 佛山佑尔汽车智能技术有限公司 | Test device and test method of attenuation of extension spring and compression spring |
| CN112525403A (en) * | 2020-11-26 | 2021-03-19 | 南京航空航天大学 | Electric and spring coupling pressure foot pressing force measuring device and control method |
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