CN201859101U - Testing machine for tension spring - Google Patents
Testing machine for tension spring Download PDFInfo
- Publication number
- CN201859101U CN201859101U CN2010205904387U CN201020590438U CN201859101U CN 201859101 U CN201859101 U CN 201859101U CN 2010205904387 U CN2010205904387 U CN 2010205904387U CN 201020590438 U CN201020590438 U CN 201020590438U CN 201859101 U CN201859101 U CN 201859101U
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- screw mandrel
- pull bar
- cover
- extension spring
- test machine
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Abstract
The utility model discloses a testing machine for a tension spring. The testing machine for the tension spring comprises a reciprocating stretch mechanism, a positioning and counting mechanism and a controller, wherein the reciprocating stretch mechanism comprises a servo motor, a screw rod, a screw rod jacket, a pull rod and a guiding and limiting device; the servo motor is connected with the screw rod; the screw rod is connected with the screw rod jacket; the screw rod jacket is connected with the pull rod; the screw rod is vertical to the pull rod; the pull rod is connected with the guiding and limiting device; and the pull rod is provided with a fixing hole for fixing the tension spring. The reciprocating stretch mechanism of the testing machine for the tension spring can stably pull the tension spring, so as to realize the functions of ease starting, controllable pulling speed and active resetting and achieve the purpose of simulating the real working condition of the tension spring.
Description
Technical field
The utility model relates to a kind of test machine that is used to test extension spring antifatigue degree.
Background technology
The test machine that is used to test extension spring antifatigue degree in the prior art is provided with reciprocal drawing mechanism, and this reciprocal drawing mechanism is used to spur extension spring, makes extension spring constantly be in extended state and reset mode, simulates situation in the actual use by such extensional motion.
This reciprocal drawing mechanism mainly by cylinder or oil cylinder as power output part, rely on the piston rod stretching motion to realize stretching to extension spring.Because the output of the power of cylinder or oil cylinder is influenced by the compressibility of fluid,, and all reaching aspect stable working and the response less than test request so impulsive force is big when cylinder or oil cylinder work.Cause extension spring when stretching beginning, to be stretched suddenly, draw speed is too fast in drawing process, defectives such as the elastic force that can only rely on self deformation to produce in reseting procedure slowly resets so just make that the really degree of simulating is lower, has seriously reduced the reference value of test result.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of extension spring test machine that can the altitude simulation real working condition.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: this extension spring test machine comprises reciprocal drawing mechanism, location counting mechanism and controller, described reciprocal drawing mechanism all is connected with controller with the location counting mechanism, described reciprocal drawing mechanism comprises servomotor, screw mandrel, the screw mandrel cover, pull bar, guide position limiter, described servomotor is connected with screw mandrel, described screw mandrel is connected with the screw mandrel cover, described screw mandrel cover is connected with pull bar and screw mandrel is vertical position relation with pull bar, described pull bar is connected with guide position limiter, and described pull bar is provided with the fixed orifice that is used for fixing extension spring.Adopt screw body as reciprocating power part, the tensile force that power producing characteristics is steady, bearing capacity is big can be provided, and power output is controlled, thus can control stretching speed.
As of the present utility model preferred, described screw mandrel cover is installed in the pull bar middle part, and described pull bar two ends are connected with guide position limiter respectively.So a plurality of test station can be set on pull bar, and then improve the testing efficiency of this test machine.When using a plurality of test station on the pull bar, will make the pull bar discontinuity, influence screw mandrel and the screw mandrel annexation between overlapping if the extension spring quantity of pull bar both sides is inequality.At this moment, just can eliminate because the phenomenon of the discontinuity that above-mentioned situation causes by the guide position limiter at pull bar two ends.
As of the present utility model preferred, described location counting mechanism comprises fixed head and outside fixed cover with insulation function, described fixed cover comprises insulation sleeve at least and plays the interior cover of electric action, described insulation sleeve is arranged on outside of inner cover, described fixed cover is installed on the fixed head, is connected by insulation sleeve between cover and the fixed head in described, overlaps in described and be connected with controller by lead, described pull bar also is connected with controller by lead.Because extension spring is a metal, has conductive capability, therefore in test process, form the loop between extension spring and the control, can there be no current to write down the drawing numbers of extension spring by detection, thereby realizes tally function.This counting mechanism has simply, stable advantage.
As of the present utility model preferred, this extension spring test machine also comprises lubricant recovery device, and described lubricant recovery device comprises food tray and drawing and pulling type oil groove, and described food tray is provided with oil-out, described oil-out is positioned at the top of drawing and pulling type oil groove, and described food tray is positioned at the below of screw mandrel.Because the long-term to-and-fro movement of screw body produces more wearing and tearing and heat.Therefore be provided with the oil supply system that lubricating oil is provided on screw body, oil supply system can provide lubricated required lubricating oil for screw mandrel and screw mandrel cover, reduces the screw body wear extent, prolongs the serviceable life of screw body.This part lubricating oil can ooze out on the screw body surface when screw mandrel is worked, and drops under deadweight, and the lubricating oil that just this part can be oozed out by above-mentioned lubricant recovery device collects, so that recycle in the future.
The utility model adopts technique scheme: the reciprocating mechanism of this extension spring test machine can spur extension spring stably, reaches to relax the function that starts, spurs speed-controllable, positive return, has realized the purpose of simulation extension spring real work situation.The extension spring test machine also provides the function of multistation separate records, can for the gained test data has increased reliability, make test result have more reference value well for test provides large batch of test environment.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described in detail.
Fig. 1 is the front view of a kind of extension spring test machine of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the stereographic map of a kind of extension spring test machine of the utility model;
Fig. 5 is the fixed cover structural representation of a kind of extension spring test machine of the utility model.
Embodiment
Shown in Fig. 1,2,3,4, the extension spring test machine has comprised a worktable 1 that is used for installing component, and this worktable 1 is a tower structure, and the top is provided with smooth workplace.On worktable 1, be provided with reciprocal drawing mechanism, location counting mechanism and controller 16.
Back and forth drawing mechanism has comprised servomotor 2, screw mandrel 3, screw mandrel cover 4, pull bar 5, guide position limiter.Servomotor 2 is connected with an end of screw mandrel 3 by shaft coupling, and the other end of screw mandrel 3 and screw mandrel cover 4 flexibly connect.Pull bar 5 middle parts are overlapped 4 with screw mandrel and are fixedlyed connected, and pull bar 5 is vertical position relation with screw mandrel 3, and pull bar 5 just overlaps 4 transverse movements with screw mandrel when screw mandrel 3 rotates.Guide position limiter comprises guidepost 6 and orienting sleeve 7, and guidepost 6 is fixedly connected on the worktable 1 by pedestal, and orienting sleeve 7 is installed on the guidepost 6.Be provided with two guide position limiters on worktable 1, two guide position limiters lay respectively at the two ends of pull bar 5, and two guideposts 6 are parastate and all parallel with screw mandrel 3; Pull bar 5 is fixedlyed connected with orienting sleeve 7, and orienting sleeve 7 can be with pull bar 5 motions when pull bar 5 transverse movements.Pull bar 5 is provided with a plurality of fixed orifices that are used for fixing extension spring, and pull bar 5 is the center to overlap 4 junctions with screw mandrel, and the fixed orifice quantity of its both sides is identical.
The location counting mechanism comprises fixed head 8, fixed cover 9.As shown in Figure 5, fixed cover 9 is made up of insulation sleeve 10 and interior cover 11.In cover 11 make by conductive material, as iron; It is a hollow tubular structure, and an end is provided with flange, and the other end is connected with hold-down nut 12.Be provided with insulation sleeve 10 in interior cover 11 outsides, insulation sleeve 10 1 ends are provided with flange, and this flange outer radius is identical with the flange outer radius of interior cover 11.In cover 11 between nut 12 and insulation sleeve 10, also be provided with a conducting strip 13 that is used to be connected lead, this conducting strip 13 directly is connected with interior cover 11.Fixed head 8 is parallel with pull bar 5, be equipped with on the fixed head 8 with pull bar 5 on the identical fixed cover 9 of quantity of fixed orifice, all corresponding fixed orifice of each fixed cover 9.Because interior cover 11 is installed on the fixed head 8 by insulation sleeve 10, so insulation between interior cover 11 and the fixed head 8.
Below screw mandrel 3, be provided with lubricant recovery device.Lubricant recovery device comprises food tray 14 and drawing and pulling type oil groove 15, and food tray 14 is rectangular-shaped, and its length is identical with the length of stroke of screw mandrel cover 4.Food tray 14 is fixed on the worktable 1, and food tray 14 bottoms are provided with oil-out.Oil groove 15 is rectangular-shaped, and it is movably connected on the worktable 1 by chute, and the oil-out of food tray 14 is positioned at the top of oil groove 15, only need oil groove 15 can be extracted out in worktable 1 by the mode of pull during use.
On worktable 1, also be provided with controller 16, controller 16 can be controlled whole extension spring test machine work, it all is connected with the conducting strip 13 of servomotor 2, pull bar 5 and fixed cover 9, thereby can control servomotor 2 and rotate, and whether the extension spring that monitoring is fixed between pull bar 5 and the fixed head 8 ruptures.
During use, earlier pull bar 5 is moved to position, extension spring is fixed between pull bar 5 and the fixed head 8 again near fixed head 8 places.After starting test procedure, controller 16 is each fixed cover 9 energized, because between pull bar 5, fixed cover 9, extension spring and controller 16, set up the loop, so all conducting has electric current in every extension spring, in case outage then show that extension spring ruptures in drawing process, this moment, controller 16 stopped counting.Pull bar 5 overlaps in the 4 reciprocating processes with screw mandrel, and extension spring constantly is stretched and resets.The position that all needs screw mandrel cover 4 to be repositioned near fixed head 8 places owing to reset at every turn, therefore each reset mode of any extension spring is all identical.In order to ensure pull bar 5 accurate origin position is arranged, the orienting sleeve 7 of a guide position limiter is provided with location sensing chip 20 therein, is provided with limit sensors 17, deceleration sensor 18 and alignment sensor 19 on worktable 1.Limit sensors 17, deceleration sensor 18 and alignment sensor 19 are arranged and are located along the same line along guidepost 6.The moving region of location sensing chip 20 intersects with the induction region of three sensors, three sensors all are connected with controller 16, therefore when location sensing chip 20 was in the induction region of sensor, controller 16 just can obtain the positional information of pull bar 5, and then can realize accurate localization control.
The extension spring test machine makes test process start mild, controlled, the positive return of draw speed by adopting said structure, really simulates the use working condition of extension spring reality, for the gained test data has increased reliability, makes test result have more reference value.
Claims (4)
1. extension spring test machine, this extension spring test machine comprises reciprocal drawing mechanism, location counting mechanism and controller (16), described reciprocal drawing mechanism all is connected with controller (16) with the location counting mechanism, it is characterized in that: described reciprocal drawing mechanism comprises servomotor (2), screw mandrel (3), screw mandrel cover (4), pull bar (5), guide position limiter, described servomotor (2) is connected with screw mandrel (3), described screw mandrel (3) is connected with screw mandrel cover (4), described screw mandrel cover (4) is connected with pull bar (5) and screw mandrel (3) is vertical position relation with pull bar (5), described pull bar (5) is connected with guide position limiter, and described pull bar (5) is provided with the fixed orifice that is used for fixing extension spring.
2. according to the described extension spring test machine of claim 1, it is characterized in that: described screw mandrel cover (4) is installed in pull bar (5) middle part, and described pull bar (5) two ends are connected with guide position limiter respectively.
3. according to the described extension spring test machine of claim 1, it is characterized in that: described location counting mechanism comprises fixed head (8) and outside fixed cover (9) with insulation function, described fixed cover (9) comprises insulation sleeve (10) at least and plays the interior cover (11) of electric action, described insulation sleeve (10) is arranged on interior cover (11) outside, described fixed cover (9) is installed on the fixed head (8), be connected by insulation sleeve (10) between cover (11) and the fixed head (8) in described, cover (11) is connected with controller (16) by lead in described, and described pull bar (5) also is connected with controller (16) by lead.
4. according to the described extension spring test machine of claim 1, it is characterized in that: this extension spring test machine also comprises lubricant recovery device, described lubricant recovery device comprises food tray (14) and drawing and pulling type oil groove (15), described food tray (14) is provided with oil-out, described oil-out is positioned at the top of drawing and pulling type oil groove (15), and described food tray (14) is positioned at the below of screw mandrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205904387U CN201859101U (en) | 2010-11-03 | 2010-11-03 | Testing machine for tension spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205904387U CN201859101U (en) | 2010-11-03 | 2010-11-03 | Testing machine for tension spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201859101U true CN201859101U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205904387U Expired - Fee Related CN201859101U (en) | 2010-11-03 | 2010-11-03 | Testing machine for tension spring |
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| Country | Link |
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| CN (1) | CN201859101U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589991A (en) * | 2012-02-21 | 2012-07-18 | 沈阳远大铝业工程有限公司 | Device for testing expansion capability of rubber sheet for sealing building expansion joint |
| CN103344504A (en) * | 2013-07-08 | 2013-10-09 | 上海华特汽车配件有限公司 | Sunshade plate mirror cover sliding fatigue test machine |
| CN108195670A (en) * | 2017-11-22 | 2018-06-22 | 长沙双合盛企业管理有限公司 | A kind of building tubing sections strength testing device |
| CN109092606A (en) * | 2018-10-29 | 2018-12-28 | 南京弹簧有限公司 | A kind of tension spring production and processing device |
| CN109158241A (en) * | 2018-10-29 | 2019-01-08 | 南京弹簧有限公司 | A kind of tension spring processing unit (plant) |
-
2010
- 2010-11-03 CN CN2010205904387U patent/CN201859101U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589991A (en) * | 2012-02-21 | 2012-07-18 | 沈阳远大铝业工程有限公司 | Device for testing expansion capability of rubber sheet for sealing building expansion joint |
| CN102589991B (en) * | 2012-02-21 | 2013-11-27 | 沈阳远大铝业工程有限公司 | Device for testing expansion capability of rubber sheet for sealing building expansion joint |
| CN103344504A (en) * | 2013-07-08 | 2013-10-09 | 上海华特汽车配件有限公司 | Sunshade plate mirror cover sliding fatigue test machine |
| CN108195670A (en) * | 2017-11-22 | 2018-06-22 | 长沙双合盛企业管理有限公司 | A kind of building tubing sections strength testing device |
| CN108195670B (en) * | 2017-11-22 | 2021-06-04 | 安徽家骎建设工程有限公司 | Building rope tensile strength testing arrangement |
| CN109092606A (en) * | 2018-10-29 | 2018-12-28 | 南京弹簧有限公司 | A kind of tension spring production and processing device |
| CN109158241A (en) * | 2018-10-29 | 2019-01-08 | 南京弹簧有限公司 | A kind of tension spring processing unit (plant) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20141103 |
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| EXPY | Termination of patent right or utility model |