CN104236775A - Detector for initial tension of springs - Google Patents
Detector for initial tension of springs Download PDFInfo
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- CN104236775A CN104236775A CN201410327457.3A CN201410327457A CN104236775A CN 104236775 A CN104236775 A CN 104236775A CN 201410327457 A CN201410327457 A CN 201410327457A CN 104236775 A CN104236775 A CN 104236775A
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- spring
- initial tension
- sliding seat
- pointer
- detected
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Abstract
The invention discloses a detector for the initial tension of springs. The detector comprises a spring locking part and a spring detecting part. The spring locking part comprises a fixed base and a sliding base, the fixed base and the sliding base are connected through an elastic resetting device, and one end of a spring to be detected is fixed between the fixed base and the sliding base and locked by an eccentric cam locking device connected with the sliding base. The spring detecting part comprises a centre shaft, a pointer and a spring inner ring tensioning device, the pointer and the spring inner ring tensioning device are arranged on the center shaft, and the center shaft is connected with the pointer, the spring inner ring tensioning device and a torque wrench connector. According to the mode, it is not needed to assemble and disassemble a hanging plate frequently, so that the labor intensity is lowered, and especially for the breaking brake springs and the closing brake springs with high requirements, the mass production preparation time can be shortened by about 25% through the detector; in addition, in the process spot check process, the detector has the fast reaction effect and can find the fluctuation of the initial tension of the springs in time.
Description
Technical field
The present invention relates to pick-up unit field, particularly relate to a kind of spring initial tension detector.
Background technology
Prior art is when carrying out initial tension detection to batch is larger without shackle extension spring, and need to load and unload link plate continually, labour intensity is high.Particularly require high separating brake, switching-in spring, the sample testing time accounts for 50% of debug time, and in process sampling observation, cannot rapid-action usefulness, also just can not the fluctuation of Timeliness coverage product initial tension.
Summary of the invention
The technical matters that the present invention mainly solves is to provide one not to be needed repeatedly to load and unload detected spring, and the pull force calculation time is lowered the spring initial tension detector of about 25%.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of spring initial tension detector, comprising:
Spring tight lock part, comprises holder and sliding seat, and described holder is connected by elasticity reset device with sliding seat, and one end of spring to be detected is fixed between holder and sliding seat, and is locked by the offset cam locking device be connected with sliding seat;
Spring sensing parts divides, and comprises axis, pointer and spring inner-ring-tension device, and pointer and spring inner-ring-tension device are all located on axis, described axis are connected with pointer, spring inner-ring-tension device and dial torque wrench interface,
Described spring inner-ring-tension device comprises ratchet and tensioner regulating part, and described ratchet is flexibly connected with described axis one end, described tensioner regulating part and detent contact;
Described pointer rear is provided with index dial.
In a preferred embodiment of the present invention, described holder and sliding seat are V-type seat, be arranged in a dovetail groove, and fixed by screw bottom holder.
In a preferred embodiment of the present invention, described offset cam locking device comprises camshaft, cam and handle, and described cam is located on described camshaft, and handle is connected with cam, and described cam contacts with sliding seat.
In a preferred embodiment of the present invention, described ratchet is located at spring inner ring, and and for being articulated and connected between axis.
In a preferred embodiment of the present invention, described tensioner regulating part is bolt, and regulates detent positions by bolt one end.
In a preferred embodiment of the present invention, described spanner interface is inserted with dial torque wrench.
In a preferred embodiment of the present invention, described spanner interface is rectangle or rhombus.
In a preferred embodiment of the present invention, described pointer is connected with axis by the little axle of a transition.
In a preferred embodiment of the present invention, described elasticity reset device comprises at least 2 back-moving springs.
The invention still further relates to a kind of detection method of spring initial tension detector, comprise following detecting step:
1) cam is placed extreme lower position by turning handle, and sliding seat is reset to initial position by resetting means;
2) spring one end to be detected is put between sliding seat and holder, and turning handle, utilize cam to promote sliding seat, and spring to be detected is locked;
3) in the inner ring of the spring other end to be detected, axis is put into, adjusting bolt, by ratchet at spring inner-ring-tension to be detected, by spring other end locking to be detected;
4) dial torque wrench is turned, the angle turned on index dial by pointer, and corresponding moment of torsion, the initial tension value of corresponding spring to be detected can be obtained.
The invention has the beneficial effects as follows: spring initial tension detector of the present invention does not need to load and unload link plate continually, reduce labour intensity, particularly require high separating brake, switching-in spring, the volume production setup time of about 25% can be reduced with the present invention, and in process sampling observation, rapid-action usefulness can be played, the fluctuation of Timeliness coverage product initial tension.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of spring initial tension detector one of the present invention preferred embodiment;
Fig. 2 is the left view of the initial tension of spring shown in Fig. 1 detector;
Fig. 3 is the vertical view of the initial tension of spring shown in Fig. 1 detector;
In accompanying drawing, the mark of each parts is as follows: 1, support, and 2, holder, 3, sliding seat, 4, resetting means, 5, camshaft, 6, cam, 7, handle, 9, pointer, 10, the little axle of transition, 11, index dial, 12, axis, 13, ratchet, 14, tensioner regulating part, 15, spanner interface, 16, spring to be detected.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 3, the embodiment of the present invention comprises:
A kind of spring initial tension detector, comprising: spring tight lock part and spring sensing parts.
Spring tight lock part, comprises holder 2 and sliding seat 3, and holder 2 and sliding seat 3 are all located on a support 1.
Described holder 2 and sliding seat 3 are V-type seat, are arranged in the dovetail groove on support 1 bottom holder 2, and are fixed by screws on support 1.
Described holder 2 is connected by resetting means 4 with sliding seat 3, and described resetting means 4 comprises at least 2 elastic reset springs.Elastic reset spring action is on sliding seat 3, and the initial position of sliding seat 3 is that sliding seat 3 does not stress, the position of sliding seat 3 when back-moving spring unclamps.
One end of spring 16 to be detected is fixed between holder 2 and sliding seat 3, and is locked by the offset cam locking device be connected with sliding seat 3.The coupling mechanism force of offset cam locking device is contrary with elastic reset spring action force direction, and acting force is greater than the power of back-moving spring.
Described offset cam locking device comprises camshaft 5, cam 6 and handle 7, and described cam 6 is located on described camshaft 5, and handle 7 is connected with cam 6, and described cam 6 contacts with sliding seat 3, and constraint sliding seat 3, to lock spring 16 to be measured.
The state of not locking is that the cam 6 of locking device is positioned at extreme lower position, and and keep in touch between sliding seat 3, to guarantee between sliding seat and holder, can easily put into spring to be measured.Locking state is rotated by handle 7, makes cam 6 position rises, and contacted with sliding seat 3 by the projecting surface of cam 6, promotes sliding seat 3 simultaneously and move, play the effect of locking spring 16 to be detected.
Spring sensing parts divides, and comprises axis 12, pointer 9 and spring inner-ring-tension device, and pointer 9 and spring inner-ring-tension device are all located on axis 12, described axis 12 are connected with pointer 9, spring inner-ring-tension device and dial torque wrench interface 15,
Described pointer 9 is connected with axis 12 by the little axle 10 of a transition, is provided with index dial 11 at described pointer 9 rear, and pointer 9 turns over angle and obtains according to the data of display on index dial 11.
Driving torque spanner simultaneously also rotation spring inner-ring-tension device and pointer 9, spring inner-ring-tension device is located on spring inner ring, spring inner-ring-tension device rotates and also just drives spring 16 to be detected to rotate, and shows in conjunction with pointer 9, thus record spring turn over angle.
Described spring inner-ring-tension device comprises ratchet 13 and tensioner regulating part 14, and described ratchet 13 is flexibly connected with described axis 12 one end, and described tensioner regulating part 14 contacts with ratchet 13;
Axis 12 end being hinged with ratchet 13 puts into spring inner ring, and ratchet 13 and spring inner ring is locked by tensioner regulating part 14, realizes the effect of fixing spring 16 other end to be detected.
Described tensioner regulating part 14 is bolt, and little for transition axle 10 is also fixed on axis 12 by this bolt simultaneously, can regulate ratchet 13 position, to lock spring to be measured by bolt 14 one end.
Unclamp bolt 14, bolt one end contacts with the separated of ratchet 13, and ratchet 13, for free movement state, is also just not locking state with spring inner ring; Tight a bolt, bolt one end is contacted with ratchet 13, swing ratchet 13 position and contact with spring inner ring to it, and tensioner locks spring 16 one end to be detected.
Described axis 12 offers spanner interface 15, and dial torque wrench is inserted in described spanner interface 15.Described spanner interface 15 is rectangle or rhombus interface, and spanner interface 15 shape is determined according to pinch bar shape.
The detection method of spring initial tension detector of the present invention, comprises following detecting step:
1) cam 6 is placed extreme lower position by turning handle 7, and sliding seat 3 is reset to initial position by resetting means 4;
2) spring 16 one end to be detected is put between sliding seat 3 and holder 2, and turning handle 7, utilize cam 6 to promote sliding seat 3, and spring 16 to be detected is locked;
3) in the inner ring of spring 16 other end to be detected, axis 12 is put into, adjusting bolt 14, by ratchet 13 at spring 16 inner-ring-tension to be detected, by spring 16 other end locking to be detected;
4) dial torque wrench is turned, the angle turned on index dial 11 by pointer 9, and corresponding moment of torsion, the initial tension value of corresponding spring to be detected 16 can be obtained.
Spring initial tension detector of the present invention does not need to load and unload link plate continually, reduce labour intensity, particularly require high separating brake, switching-in spring, the volume production setup time of about 25% can be reduced with the present invention, and in process sampling observation, rapid-action usefulness can be played, the fluctuation of Timeliness coverage product initial tension.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a spring initial tension detector, is characterized in that, comprising:
Spring tight lock part, comprises holder and sliding seat, and described holder is connected by elasticity reset device with sliding seat, and one end of spring to be detected is fixed between holder and sliding seat, and is locked by the offset cam locking device be connected with sliding seat;
Spring sensing parts divides, and comprises axis, pointer and spring inner-ring-tension device, and pointer and spring inner-ring-tension device are all located on axis, described axis are connected with pointer, spring inner-ring-tension device and dial torque wrench interface,
Described spring inner-ring-tension device comprises ratchet and tensioner regulating part, and described ratchet is flexibly connected with described axis one end, described tensioner regulating part and detent contact;
Described pointer rear is provided with index dial.
2. spring initial tension detector according to claim 1, it is characterized in that, described holder and sliding seat are V-type seat, be arranged in a dovetail groove, and fixed by screw bottom holder.
3. spring initial tension detector according to claim 1, is characterized in that, described offset cam locking device comprises camshaft, cam and handle, and described cam is located on described camshaft, and handle is connected with cam, and described cam contacts with sliding seat.
4. spring initial tension detector according to claim 1, it is characterized in that, described ratchet is located at spring inner ring, and and for being articulated and connected between axis.
5. spring initial tension detector according to claim 1, is characterized in that, described tensioner regulating part is bolt, and regulates detent positions by bolt one end.
6. spring initial tension detector according to claim 1, is characterized in that, described spanner interface is inserted with dial torque wrench.
7. spring initial tension detector according to claim 6, is characterized in that, described spanner interface is rectangle or rhombus.
8. spring initial tension detector according to claim 1, is characterized in that, described pointer is connected with axis by the little axle of a transition.
9. spring initial tension detector according to claim 1, it is characterized in that, described elasticity reset device comprises at least 2 back-moving springs.
10., according to the detection method of the arbitrary described spring initial tension detector of claim 1-9, it is characterized in that, comprise following detecting step:
1) cam is placed extreme lower position by turning handle, and sliding seat is reset to initial position by resetting means;
2) spring one end to be detected is put between sliding seat and holder, and turning handle, utilize cam to promote sliding seat, and spring to be detected is locked;
3) in the inner ring of the spring other end to be detected, axis is put into, adjusting bolt, by ratchet at spring inner-ring-tension to be detected, by spring other end locking to be detected;
4) dial torque wrench is turned, the angle turned on index dial by pointer, and corresponding moment of torsion, the initial tension value of corresponding spring to be detected can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327457.3A CN104236775B (en) | 2014-07-10 | 2014-07-10 | Detector for initial tension of springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327457.3A CN104236775B (en) | 2014-07-10 | 2014-07-10 | Detector for initial tension of springs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104236775A true CN104236775A (en) | 2014-12-24 |
| CN104236775B CN104236775B (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410327457.3A Expired - Fee Related CN104236775B (en) | 2014-07-10 | 2014-07-10 | Detector for initial tension of springs |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201964990U (en) * | 2011-01-17 | 2011-09-07 | 卓旦春 | Spring elasticity test device |
| CN202974529U (en) * | 2012-05-24 | 2013-06-05 | 贵州航天天马机电科技有限公司 | Torque test and static pressure test equipment specially for laminated spring group |
| US20130233090A1 (en) * | 2012-03-07 | 2013-09-12 | Wei Liu | Measuring device |
| CN203432731U (en) * | 2013-08-23 | 2014-02-12 | 上海中国弹簧制造有限公司 | Horizontal on-line load detection device for suspension spring |
| CN204286656U (en) * | 2014-07-10 | 2015-04-22 | 常州弹簧厂有限公司 | Spring initial tension detector |
-
2014
- 2014-07-10 CN CN201410327457.3A patent/CN104236775B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201964990U (en) * | 2011-01-17 | 2011-09-07 | 卓旦春 | Spring elasticity test device |
| US20130233090A1 (en) * | 2012-03-07 | 2013-09-12 | Wei Liu | Measuring device |
| CN202974529U (en) * | 2012-05-24 | 2013-06-05 | 贵州航天天马机电科技有限公司 | Torque test and static pressure test equipment specially for laminated spring group |
| CN203432731U (en) * | 2013-08-23 | 2014-02-12 | 上海中国弹簧制造有限公司 | Horizontal on-line load detection device for suspension spring |
| CN204286656U (en) * | 2014-07-10 | 2015-04-22 | 常州弹簧厂有限公司 | Spring initial tension detector |
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| Publication number | Publication date |
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| CN104236775B (en) | 2017-02-01 |
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Granted publication date: 20170201 Termination date: 20180710 |