CN209707335U - A kind of xenon lamp aging experiment test specimen stretching device - Google Patents
A kind of xenon lamp aging experiment test specimen stretching device Download PDFInfo
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- CN209707335U CN209707335U CN201920433693.1U CN201920433693U CN209707335U CN 209707335 U CN209707335 U CN 209707335U CN 201920433693 U CN201920433693 U CN 201920433693U CN 209707335 U CN209707335 U CN 209707335U
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- mandril
- bracket
- test specimen
- xenon lamp
- pivotally connected
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Abstract
The utility model relates to product quality inspection equipment technical field, specifically a kind of xenon lamp aging experiment test specimen stretching device, including upper bracket, lower bracket, upper left mandril, lower-left mandril, upper right mandril, bottom right mandril, gag lever post and clamp system;The right end of the gag lever post and upper right mandril are pivotally connected, and the upper left mandril is equipped with spacer pin, the gag lever post be equipped with the matched groove of spacer pin, tension spring is equipped between the gag lever post and upper right mandril;One group of clamp system is respectively provided in the upper bracket and lower bracket.The xenon lamp aging experiment test specimen stretching device of the utility model can easily and efficiently tensile test specimen, to improve conventional efficient, and amount of tension is constant, guarantees the precision of experiment.
Description
Technical field
The utility model relates to product quality inspection equipment technical field, specifically a kind of xenon lamp aging experiment is drawn with test specimen
Stretch device.
Background technique
According to appendix A in GB/T 12527-2008 " voltage rating 1kV and following aerial insulated cable ": " artificial climate is old
Change experimental method (xenon lamp method) ", A.4 A.4.1 first group of Storage of sample is at shady and cool drying for experimental procedure, second and third group of sample
It should be put into xenon lamp climate box and be tested, wherein third group sample should be put into after experiment starts 504h, and sample is put into weather
After in case, it should be tested in the case where keeping about 5% elongation.Establishing criteria requirement, needs a kind of fixture, is carrying out artificial climate
When aging, the function of 5% deformation is provided to third group sample.Application No. is 201120555419.5, entitled xenon lamp aging realities
The utility model patent of tryoff fixture discloses a kind of xenon lamp aging experimental box fixture, when using the fixture tensile test specimen,
It needs for be inserted into push rod in the threaded hole at upper clamp central axes position, upper folder is then driven as basic point rotating push-rod using lower clamp
Pincers movement stretches data by the graduation mark metering on guide rod, after test specimen is stretched 5%, is fixed upper clamp with positioning bolt,
Then push rod is dismantled again, it is seen then that the fixture operation is complicated, speed is slow, conventional efficient is influenced, moreover, observing by the naked eye quarter
Line is spent to control the amount of tension of test specimen, is frequently resulted in stretching excessively, is influenced the precision of experiment.
Utility model content
Purpose of the utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of xenon lamp aging experiment examination
Part stretching device, can easily and efficiently tensile test specimen, to improve conventional efficient, and amount of tension is constant, guarantees the essence of experiment
Degree.
Technical problem to be solved in the utility model is realized using following technical scheme: a kind of xenon lamp aging experiment use
Test specimen stretching device, including upper bracket, lower bracket, upper left mandril, lower-left mandril, upper right mandril, bottom right mandril, gag lever post and folder
Tight mechanism;The upper end of the upper left mandril and upper bracket are pivotally connected, and the lower end of the lower-left mandril and lower bracket are pivotally connected, the upper left
The lower end of mandril and the upper end of lower-left mandril are pivotally connected;The upper end of the upper right mandril and upper bracket are pivotally connected, the bottom right mandril
Lower end and lower bracket are pivotally connected, and the lower end of the upper right mandril and the upper end of bottom right mandril are pivotally connected;The right end of the gag lever post and the right side
Upper ejector pin pivot joint, the upper left mandril are equipped with spacer pin, and the gag lever post is equipped with and the matched groove of spacer pin, the limit
Tension spring is equipped between position bar and upper right mandril;One group of clamp system is respectively provided in the upper bracket and lower bracket.When experiment, first lead to
The both ends that clamp system clamps test specimen are crossed, lower-left mandril and bottom right mandril are then inwardly pulled, with tensile test specimen, when limit pin card
When entering in groove, test specimen has been stretched 5%, and gag lever post is able to maintain the tensional state of test specimen.
The technical solution of the utility model is also: further including draw-off mechanism, the draw-off mechanism includes rope sheave, drawstring, rotation
Button, ratchet, retaining pawl and ratchet spring;The rope sheave is rotatably mounted on the mandril of bottom right, the both ends point of the drawstring
It is not connect with lower-left mandril and rope sheave, the knob is fixedly and coaxially connected with rope sheave;The ratchet is fixedly and coaxially connected with rope sheave,
The retaining pawl is articulated on the mandril of bottom right, and the ratchet spring is located on the mandril of bottom right and for making retaining pawl and ratchet
It is kept in contact.By way of inwardly pulling lower-left mandril and bottom right mandril when tensile test specimen, if primary firmly do not make to limit
Position pin enters groove, then the present apparatus resets under the action of test specimen elastic force, needs firmly to stretch again, time-consuming and laborious, also easily leads
Cause causes test specimen to damage because of multi-drawing, using the technical program, turns knob, rope sheave is rotated to wind drawstring, and drawstring makes
Upper left mandril, lower-left mandril, upper right mandril and bottom right mandril are inwardly swung, to realize the stretching of test specimen, in the process, retaining
Pawl makes ratchet with rope sheave single direction rotation, even if operator midway is rested, the present apparatus will not reset.
The technical solution of the utility model is also: the clamp system includes substrate, sliding panel, spring and eccentric top block,
The substrate is fixed on upper bracket or lower bracket, and the substrate is equipped with guide rod, and the sliding panel and guide rod sliding connect
It connects, the spring is located between substrate and sliding panel, and the eccentric top block is articulated on substrate and for driving sliding panel edge to lead
It is slided to bar.Using the technical program, spring separates sliding panel with substrate, convenient for test specimen to be inserted;By pulling partially
Heart jacking block can make sliding panel and substrate that quickly test specimen be clamped or be discharged.
The technical solution of the utility model is also: the opposite face of the substrate and sliding panel is equipped with anti-skid chequer, for increasing
Active force between substrate, sliding panel and test specimen, prevents test specimen to be detached from.
The technical solution of the utility model is also: the upper end of the upper bracket is equipped with upper clip, the lower end of the lower bracket
Equipped with lower clip, for the test specimen after stretching to be installed in xenon lamp case.
Compared with the existing technology, having the beneficial effect that for the utility model xenon lamp aging experiment test specimen stretching device passes through
It swings upper left mandril, lower-left mandril, upper right mandril and bottom right mandril inwardly, the stretching of test specimen, easy to operate, side can be realized
Just, it fast, can be improved conventional efficient, moreover, gag lever post can prevent test specimen from stretching the precision for excessively guaranteeing experiment, and protect
Hold the tensional state of test specimen.
Detailed description of the invention
Fig. 1 is the main view that test specimen stretching device original state is used in xenon lamp aging experiment.
Fig. 2 is the right view that test specimen stretching device original state is used in xenon lamp aging experiment.
Fig. 3 is the partial enlarged view in the portion A in Fig. 2.
Fig. 4 is the partial enlarged view in the portion B in Fig. 2.
Fig. 5 be Fig. 4 in C-C to view.
Fig. 6 is the structural schematic diagram of clamp system clamped condition.
Fig. 7 is the main view that test specimen stretching device tensile test specimen state is used in xenon lamp aging experiment.
In figure: 1, upper bracket, 2, lower bracket, 3, upper left mandril, 4, lower-left mandril, 5, upper right mandril, 6, bottom right mandril, 7,
Gag lever post, 8, spacer pin, 9, groove, 10, tension spring, 11, rope sheave, 12, drawstring, 13, knob, 14, ratchet, 15, retaining pawl,
16, ratchet spring, 17, substrate, 18, sliding panel, 19, spring, 20, eccentric top block, 21, guide rod, 22, upper clip, 23, lower card
Folder, 24, test specimen.
Specific embodiment
In order to clarify the technical characteristics of the invention, below according to attached drawing to specific embodiment of the present invention make into
One step explanation.
As shown in FIG. 1 to FIG. 7, a kind of xenon lamp aging experiment test specimen stretching device, including upper bracket 1, lower bracket 2, a left side
Upper ejector pin 3, lower-left mandril 4, upper right mandril 5, bottom right mandril 6, gag lever post 7, draw-off mechanism and clamp system.
The upper end of upper left mandril 3 and upper bracket 1 are pivotally connected, and the lower end of lower-left mandril 4 and lower bracket 2 are pivotally connected, upper left mandril 3
Lower end and the upper end of lower-left mandril 4 are pivotally connected.The upper end of upper right mandril 5 and upper bracket 1 are pivotally connected, the lower end of bottom right mandril 6 and lower branch
Frame 2 is pivotally connected, and the lower end of upper right mandril 5 and the upper end of bottom right mandril 6 are pivotally connected.
The right end and upper right mandril 5 of gag lever post 7 are pivotally connected, and upper left mandril 3 is equipped with spacer pin 8, and gag lever post 7 is equipped with and limit
The position matched groove 9 of pin 8, is equipped with tension spring 10 between gag lever post 7 and upper right mandril 5, tension spring 10 makes its inverse time to the generation of gag lever post 7
The torque of needle rotation contacts the holding of gag lever post 7 with spacer pin 8.
Draw-off mechanism includes rope sheave 11, drawstring 12, knob 13, ratchet 14, retaining pawl 15 and ratchet spring 16.Rope sheave 11
Rotatably it is mounted on bottom right mandril 6.The present embodiment medium pulling rope 12 uses wirerope, and the both ends of drawstring 12 are pushed up with lower-left respectively
Bar 4 and rope sheave 11 connect, and knob 13 is fixedly and coaxially connected with rope sheave 11.As shown in Figure 4 and Figure 5, ratchet 14 and rope sheave 11 are coaxial
It is fixedly connected, retaining pawl 15 is articulated on bottom right mandril 6, and ratchet spring 16 is located on bottom right mandril 6 and for making retaining spine
Pawl 15 is kept in contact with ratchet 14.Knob 13 is turned, rope sheave 11 is rotated to wind drawstring 12, and drawstring 12 makes upper left mandril 3, lower-left
Mandril 4, upper right mandril 5 and bottom right mandril 6 are inwardly swung, and to realize the stretching of test specimen 24, in the process, retaining pawl 15 makes
Ratchet 14 is with rope sheave single direction rotation, even if operator midway is rested, the present apparatus will not reset.
One group of clamp system is respectively provided on upper bracket 1 and lower bracket 2.Specifically, clamp system includes substrate 17, sliding panel
18, spring 19 and eccentric top block 20, substrate 17 are fixed on upper bracket 1 or lower bracket 2, and substrate 17 is equipped with guide rod 21, sliding
Movable plate 18 is slidably connected with guide rod 21, and spring 19 is located between substrate 17 and sliding panel 18, and eccentric top block 20 is articulated in substrate
On 17 and for driving sliding panel 18 to slide along guide rod 21.As shown in Figure 3 and Figure 6, by pulling eccentric top block 20, can make
Test specimen 24 is quickly clamped or is discharged by sliding panel 18 and substrate 17.
In order to increase the active force between substrate 17, sliding panel 18 and test specimen 24, test specimen 24 is prevented to be detached from, the substrate 17
Anti-skid chequer is equipped with the opposite face of sliding panel 18.
In order to which the test specimen 24 after stretching to be installed in xenon lamp case, the upper end of upper bracket 1 is equipped with upper clip 22, lower bracket 2
Lower end be equipped with lower clip 23.
Original state, as shown in Figure 1, gag lever post 7 rides on spacer pin 8 under the action of tension spring 10, groove 9 is located at limit
The inside of pin 8.When experiment, the both ends that clamp system clamps test specimen 24 are first passed through, specifically, sliding is inserted into the end of test specimen 24
Between plate 18 and substrate 17, eccentric top block 20 is pulled then to clamp test specimen 24.Then turn knob 13, the rotation of rope sheave 11 with
Drawstring 12 is wound, drawstring 12 swings upper left mandril 3, lower-left mandril 4, upper right mandril 5 and bottom right mandril 6 inwardly, to realize examination
The stretching of part 24.As shown in fig. 7, test specimen has been stretched 5%, and gag lever post 7 is able to maintain examination when spacer pin 8 enters in groove 9
The tensional state of part 24.
The embodiments of the present invention are elaborated above in conjunction with attached drawing, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of make a variety of changes.
Claims (5)
1. a kind of xenon lamp aging experiment test specimen stretching device, it is characterised in that: including upper bracket (1), lower bracket (2), upper left
Mandril (3), lower-left mandril (4), upper right mandril (5), bottom right mandril (6), gag lever post (7) and clamp system;The upper left mandril
(3) upper end and upper bracket (1) is pivotally connected, and the lower end and lower bracket (2) of the lower-left mandril (4) are pivotally connected, the upper left mandril (3)
Lower end and lower-left mandril (4) upper end be pivotally connected;The upper end and upper bracket (1) of the upper right mandril (5) are pivotally connected, the bottom right top
The lower end and lower bracket (2) of bar (6) are pivotally connected, and the lower end of the upper right mandril (5) and the upper end of bottom right mandril (6) are pivotally connected;It is described
The right end of gag lever post (7) and upper right mandril (5) are pivotally connected, and the upper left mandril (3) is equipped with spacer pin (8), the gag lever post (7)
Be equipped with spacer pin (8) matched groove (9), equipped with tension spring (10) between the gag lever post (7) and upper right mandril (5);Institute
It states and is respectively provided with one group of clamp system on upper bracket (1) and lower bracket (2).
2. xenon lamp aging experiment test specimen stretching device according to claim 1, it is characterised in that: further include drawing machine
Structure, the draw-off mechanism include rope sheave (11), drawstring (12), knob (13), ratchet (14), retaining pawl (15) and ratchet spring
(16);The rope sheave (11) is rotatably mounted on bottom right mandril (6), the both ends of the drawstring (12) respectively with lower-left mandril
(4) it is fixedly and coaxially connected with rope sheave (11) connection, the knob (13) with rope sheave (11);The ratchet (14) and rope sheave (11) are same
Axis is fixedly connected, and the retaining pawl (15) is articulated on bottom right mandril (6), and the ratchet spring (16) is located at bottom right mandril
(6) on and for being kept in contact retaining pawl (15) with ratchet (14).
3. xenon lamp aging experiment test specimen stretching device according to claim 1, it is characterised in that: the clamp system packet
Include substrate (17), sliding panel (18), spring (19) and eccentric top block (20), the substrate (17) be fixed on upper bracket (1) or under
On bracket (2), the substrate (17) is equipped with guide rod (21), and the sliding panel (18) is slidably connected with guide rod (21), institute
It states spring (19) to be located between substrate (17) and sliding panel (18), the eccentric top block (20) is articulated on substrate (17) and is used for
Sliding panel (18) are driven to slide along guide rod (21).
4. xenon lamp aging according to claim 3 experiment test specimen stretching device, it is characterised in that: the substrate (17) with
The opposite face of sliding panel (18) is equipped with anti-skid chequer.
5. xenon lamp aging experiment test specimen stretching device according to any one of claims 1 to 4, it is characterised in that: on described
The upper end of bracket (1) is equipped with upper clip (22), and the lower end of the lower bracket (2) is equipped with lower clip (23).
Priority Applications (1)
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CN201920433693.1U CN209707335U (en) | 2019-04-02 | 2019-04-02 | A kind of xenon lamp aging experiment test specimen stretching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920433693.1U CN209707335U (en) | 2019-04-02 | 2019-04-02 | A kind of xenon lamp aging experiment test specimen stretching device |
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Publication Number | Publication Date |
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CN209707335U true CN209707335U (en) | 2019-11-29 |
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CN201920433693.1U Active CN209707335U (en) | 2019-04-02 | 2019-04-02 | A kind of xenon lamp aging experiment test specimen stretching device |
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CN (1) | CN209707335U (en) |
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2019
- 2019-04-02 CN CN201920433693.1U patent/CN209707335U/en active Active
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