CN203772636U - Clamping plate structure of film pendulum bob impact test machine - Google Patents
Clamping plate structure of film pendulum bob impact test machine Download PDFInfo
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- CN203772636U CN203772636U CN201420177461.1U CN201420177461U CN203772636U CN 203772636 U CN203772636 U CN 203772636U CN 201420177461 U CN201420177461 U CN 201420177461U CN 203772636 U CN203772636 U CN 203772636U
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Abstract
The utility model provides a clamping plate structure of a film pendulum bob impact test machine, which belongs to the technical field of machinery, and solves the technical problems that an existing film pendulum bob impact test machine is low in test efficiency, and the like. The clamping plate structure comprises two clamping plates, wherein the two clamping plates are respectively arranged on two sides of a fixed plate and parallel to the fixed plate, the middle part of each clamping plate is provided with an opening, at least two screw rods are in threading connection between each clamping plate and the fixed plate, each screw rod penetrates through the clamping plate and the fixed plate, the clamping plates are fixedly provided with clamping bars, each clamping plate comprises a positioning part and two clamping arms, the two clamping arms form the opening, the fixed plate is arranged between the positioning parts of the two clamping plates, the clamping bars are respectively fixed on one sides of the clamping arms, the clamping bars are provided with wave-shaped clamping surfaces, and the waves on the clamping surfaces are distributed in the vertical direction. The clamping plate structure has the advantages that the test efficiency is improved, the coverage range of test data is wide, and the test data is accurate.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of film balance weight impact testing machine, particularly a kind of clamp region of film balance weight impact testing machine.
Background technology
The pendulum of current balance weight impact testing machine all makes pendulum produce kinetic energy by the effect of gravity, when moving to minimum point, pendulum clashes into film, when clashing into film, can consume the kinetic energy of pendulum, when therefore pendulum swings to high point again, height will reduce, the energy that difference between the kinetic energy having when calculating the kinetic energy that pendulum has at elemental height and swinging to high point again consumes while determining that pendulum breaks through film, takes this anti-pendulum impact energy values that energy is evaluated film sample.When test, need to carry out multi-group data compares, constant magnitude due to acceleration of gravity, therefore when the kinetic energy size that regulates pendulum to produce, need to change the quality of pendulum or the position of the relative fork of adjusting pendulum, cause test efficiency low, the pendulum model of different quality is limited, and the data value therefore obtaining is also limited, the limited coverage area of test figure, cannot accomplish omnibearing data comparison, cause test accurate not.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of clamp region of film balance weight impact testing machine, and technical problem to be solved in the utility model is the accuracy that has improved test.
The purpose of this utility model can realize by following technical proposal: a kind of clamp region of film balance weight impact testing machine, described testing machine comprises testing table and fixed mount, on described testing table, be fixed with guide rail, the track of described guide rail is circular arc, on described testing table, there is fixed orifice, described fixed hole position is in the outside of guide rail, described fixed orifice overlaps with the line of the pin joint of fork with the line of the pin joint of fork and the mid point of guide rail, the cross section of described fixed orifice is rectangular, described fixed mount comprises fixed bar, the lower end of described fixed bar is stiff end, the cross section of described stiff end is rectangular, described fixed bar can insert fixed orifice and with fixed orifice wringing fit, the upper end of described fixed bar is fixed with fixed head, described fixed head is vertical with testing table, it is characterized in that, this clamp region comprises two clamping plate, two described clamping plate lay respectively at fixed head both sides parallel with fixed head, the middle part of described clamping plate has opening, at least two screw rods have been threaded between described clamping plate and fixed head, described screw rod is through clamping plate and fixed head, the end of described screw rod is connected with hold-down nut, on clamping plate, be fixed with clamping strip, described clamping plate comprise location division and two clamping limbs, two described clamping limbs form above-mentioned opening, above-mentioned fixed head is between the location division of two clamping plates, described clamping strip is separately fixed at a side of clamping limb, described clamping strip has clamping face, described clamping face undulate, the waveform of this clamping face distributes along the vertical direction.
The fixed bar of this structure can firmly be fixed on testing table, and it is fixing that the structure of clamping plate guarantees to keep when pendulum strikes film, avoids causing the inaccurate situation of test figure because of the distortion of clamping plate and fixed bar, guaranteed the accuracy of test.The structure of clamping strip can make film firmly be positioned between two clamping strips, and the film remaining between clamping strip when pendulum clashes into film is not shifted.
In the clamp region of above-mentioned film balance weight impact testing machine, between described fixed bar and fixed head, be also provided with rolling disc, described fixed head is fixed on the center of rolling disc, described rolling disc comprises disk body and is positioned at the bulge loop on disk body side face, described fixed bar has mounting hole, on the hole wall of described mounting hole, offer annular groove, described disk body be positioned at mounting hole and with the hole wall of mounting hole against, described bulge loop is positioned at annular groove, the cell wall of described bulge loop and annular groove against, on described bulge loop, there is pilot hole one, on described fixed bar, there are some pilot holes two, described pilot hole two is uniformly distributed ringwise, described pilot hole two is all connected with annular groove, described rolling disc passes pilot hole one by bearing pin and one of them pilot hole two is positioned on fixed bar.Rolling disc can regulate the angle between clamping plate and testing table, projected angle of impact while namely having regulated pendulum to strike film, has simulated in reality and has clashed into from different directions the situation of film, has improved the scope of test, improve the scope of application, increased the science of test figure.
In the clamp region of above-mentioned film balance weight impact testing machine, described testing machine comprises fork and pendulum, described testing table horizontal positioned, one end of described fork is hinged on the table top of testing table, described pendulum is fixed on the other end of fork, the center of circle of described guiderail track overlaps with the pin joint of fork and testing table, the other end of described fork is slidably connected on guide rail, one end that described testing table is positioned at guide rail is provided with fork positioning seat, the other end that described testing table is positioned at guide rail is provided with impact sensor, between described testing table and fork, be provided with the driving mechanism that can drive fork to rotate along pin joint.Testing table horizontal positioned, pendulum is not affected by gravity, pendulum drives rotation by driving mechanism, driving mechanism can manual control fork velocity of rotation, so kinetic energy of energy manual control pendulum, greatly increased the coverage of test figure, it without changing pendulum, has improved test efficiency in this process, impact sensor can be recorded pendulum and strike the impact on it, can draw the kinetic energy of pendulum, there is process of the test as follows: driving mechanism drives fork to produce from fork positioning seat with an initial velocity moving, fixed film not in fixed sturcture now, pendulum directly strikes impact sensor, obtain the kinetic energy of pendulum, again, the film that needs test on fixed sturcture is fixing, fork produces from fork positioning seat with front once the same initial velocity, pendulum strikes impact sensor after first striking film again, draw the kinetic energy of pendulum, by the kinetic energy of twice pendulum being compared to the kinetic energy that can show that pendulum loses in clashing into film, thereby draw the anti-pendulum impact energy values of film sample, whether variable unique in said method has film, so test figure is very accurate.
In the clamp region of above-mentioned film balance weight impact testing machine, described driving mechanism comprises clockwork spring and dwang, on described testing table, there is the rounded pickup groove in cross section, described clockwork spring is arranged in pickup groove, one end of described dwang is rotatably connected on the center of pickup groove, the outer end of described clockwork spring and the cell wall of pickup groove are fixed, the inner and the dwang of described clockwork spring are fixed, on described testing table, there is the cover plate that can cover on pickup groove, the other end of described dwang is through cover plate, one end of described fork is connected with dwang, between described fork and dwang, be provided with the clutch structure that makes fork separated with dwang when winding up.Clockwork spring, in the situation that fixing decrement can discharge fixing energy, therefore drives fork dress kinetic energy assurance fork when twice test detects, to export identical energy, the accuracy of warranty test by clockwork spring.
In the clamp region of above-mentioned film balance weight impact testing machine, described clutch structure comprises cover T-Ring and turning handle, described cover T-Ring is fixed on the end of fork, the end of described dwang has the connecting portion that diameter is less than dwang, described socket ring set is on connecting portion, one end of described turning handle is link, the other end handle end of described turning handle, the end of the link of described turning handle has connecting hole, described connecting portion can pass connecting hole, described connecting portion and link are circumferentially located by flat key, the outer peripheral face of the link of described turning handle offers male splines, the inner side of described cover T-Ring has female spline, the male splines of the link of described turning handle can be connected with the female spline of cover T-Ring.When winding up, turning handle is lifted, itself and cover T-Ring are departed from, rotating turning handle makes dwang rotate a fixing turn again, after upper complete clockwork spring, turning handle is put down and make itself and cover T-Ring pass through spline joint, now overlap T-Ring and dwang is circumferentially located, so clockwork spring drives dwang to rotate also just to drive fork to rotate.
In the clamp region of above-mentioned film balance weight impact testing machine, described fork positioning seat comprises the pedestal that is fixed on testing table, described pedestal is positioned at guide rail inner side, a side away from guide rail on described pedestal is fixed with jig arm one, described jig arm one is vertically fixing, and the opposite side of described pedestal is hinged with jig arm two, and the upper end of described jig arm one is fixed with hook, described jig arm two is that upper end is fixed with lanyard, described jig arm two vertically time lanyard can hang over hook and go up and keep tensioned state.While carrying out impact test, fork is not between jig arm one and jig arm two, lanyard hangs on hook and prevents from jig arm two rotations from the time of need to clashing into, lanyard being departed to hook, and now fork has rotation trend, after lanyard departs from hook, jig arm two is rotated, and fork rotates along guide rail.
In the clamp region of above-mentioned film balance weight impact testing machine, described guide rail comprises body and lug boss, the both sides of described lug boss have the groove of cross section semicircular in shape, on described fork, be fixed with sliding shoe, the lower surface of described sliding shoe has sliding tray, and the both sides cell wall of described sliding tray all has and is hemispheric recess, and described boss is in sliding tray, between described lug boss and sliding shoe, by ball, be slidably connected, described ball is between groove and recess.Sliding shoe is slidably connected by ball and guide rail, reduced the energy loss that during fork swings, friction causes, and the friction valve between ball and guide rail is certain, and the energy losing in twice detection is also identical, can not affect the accuracy of test figure.
Compared with prior art, the clamp region of this film balance weight impact testing machine has and has improved test efficiency, and the wide coverage of test figure, and test figure is advantage accurately.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model.
Fig. 2 is the perspective view of clamping plate of the present utility model.
Fig. 3 is the cross-sectional view of clutch structure of the present utility model.
Fig. 4 is the cross-sectional view of guide rail of the present utility model and sliding shoe.
Fig. 5 is the structural representation of rolling disc of the present utility model.
In figure, 1, testing table; 11, impact sensor; 2, fork; 21, cover T-Ring; 22, pendulum; 3, turning handle; 31, link; 32, connecting hole; 33, handle end; 4, fixed mount; 41, fixed bar; 42, fixed head; 43, screw rod; 44, hold-down nut; 5, clamping plate; 51, connecting portion; 52, clamping limb; 53, opening; 54, clamping strip; 6, guide rail; 61, body; 62, lug boss; 63, ball; 64, sliding shoe; 7, rolling disc; 71, disk body; 72, bulge loop; 73, pilot hole one; 8, dwang; 81, connecting portion; 82, flat key; 83, cover plate; 91, jig arm one; 92, jig arm two.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
A kind of clamp region of film balance weight impact testing machine, as shown in Figure 1, testing machine comprises testing table 1, fork 2, fixed mount 4 and pendulum 22, described testing table 1 horizontal positioned, one end of fork 2 is hinged on the table top of testing table 1, pendulum 22 is fixed on the other end of fork 2, on testing table 1, be fixed with guide rail 6, the track of guide rail 6 is circular arc, the center of circle of guide rail 6 tracks overlaps with the pin joint of fork 2 and testing table 1, the other end of fork 2 is slidably connected on guide rail 6, one end that testing table 1 is positioned at guide rail 6 is provided with fork 2 positioning seats, the other end that testing table 1 is positioned at guide rail 6 is provided with impact sensor 11, impact sensor 11 is existing product, impact sensor 11 is connected with single-chip microcomputer by circuit, monolithic function is processed the data that impact sensor 11 passes over, and the data after processing are transmitted on paper computer and shown on computers.
As depicted in figs. 1 and 2, on testing table 1, there is fixed orifice, fixed hole position is in the outside of guide rail 6, fixed orifice overlaps with the line of the pin joint of fork 2 with the line of the pin joint of fork 2 and the mid point of guide rail 6, the cross section of fixed orifice is rectangular, fixed mount 4 comprises fixed bar 41, the lower end of fixed bar 41 is stiff end, the cross section of stiff end is rectangular, fixed bar 41 can insert fixed orifice and with fixed orifice wringing fit, the upper end of fixed bar 41 is fixed with fixed head 42, fixed head 42 is vertical with testing table 1, this clamp region comprises two clamping plate 5, two clamping plate 5 lay respectively at fixed head 42 both sides parallel with fixed head 42, the middle part of clamping plate 5 has opening 53, at least two screw rods 43 have been threaded between clamping plate 5 and fixed head 42, screw rod 43 is through clamping plate 5 and fixed head 42, the end of screw rod 43 is connected with hold-down nut 44.The fixed bar 41 of this structure can firmly be fixed on testing table 1, and it is fixing that the structure of clamping plate 5 guarantees to keep when pendulum 22 strikes film, avoids causing the inaccurate situation of test figure because of the distortion of clamping plate 5 and fixed bar 41, guaranteed the accuracy of test.On clamping plate 5, be fixed with clamping strip 54, clamping plate 5 comprise location division 51 and two clamping limbs 52, two clamping limbs 52 form above-mentioned opening 53, above-mentioned fixed head 42 is between the location division 51 of two clamping plates 5, clamping strip 54 is separately fixed at a side of clamping limb 52, clamping strip has clamping face, clamping face undulate, and the waveform of this clamping face distributes along the vertical direction.The structure of clamping strip 54 can make film firmly be positioned between two clamping strips 54, and the film remaining between clamping strip 54 when pendulum 22 clashes into film is not shifted.
As shown in Figure 1 and Figure 5, between fixed bar 41 and fixed head 42, be also provided with rolling disc 7, fixed head 42 is fixed on the center of rolling disc 7, rolling disc 7 comprises disk body 71 and is positioned at the bulge loop 72 on disk body 71 side faces, fixed bar 41 has mounting hole, on the hole wall of described mounting hole, offer annular groove, disk body 71 be positioned at mounting hole and with the hole wall of mounting hole against, bulge loop 72 is positioned at annular groove, the cell wall of bulge loop 72 and annular groove against, on bulge loop 72, there is pilot hole 1, on fixed bar 41, there are some pilot holes two, pilot hole two is uniformly distributed ringwise, pilot hole two is all connected with annular groove, rolling disc 7 passes pilot hole 1 by bearing pin and one of them pilot hole two is positioned on fixed bar 41.Rolling disc 7 can regulate the angle between clamping plate 5 and testing table 1, projected angle of impact while namely having regulated pendulum 22 to strike film, has simulated in reality and has clashed into from different directions the situation of film, has improved the scope of test, improve the scope of application, increased the science of test figure.
As shown in Figure 1, between testing table 1 and fork 2, be provided with the driving mechanism that can drive fork 2 to rotate along pin joint, driving mechanism comprises clockwork spring and dwang 8, on testing table 1, there is the rounded pickup groove in cross section, clockwork spring is arranged in pickup groove, one end of dwang 8 is rotatably connected on the center of pickup groove, the outer end of clockwork spring and the cell wall of pickup groove are fixed, the inner of clockwork spring and dwang 8 are fixing, on testing table 1, there is the cover plate 83 that can cover on pickup groove, the other end of dwang 8 is through cover plate 83, one end of fork 2 is connected with dwang 8, between fork 2 and dwang 8, be provided with the clutch structure that makes fork 2 separated with dwang 8 when winding up.Clockwork spring, in the situation that fixing decrement can discharge fixing energy, therefore drives fork 2 dress kinetic energy assurance forks 2 when twice test detects, to export identical energy, the accuracy of warranty test by clockwork spring.
As shown in Figure 3, clutch structure comprises cover T-Ring 21 and turning handle 3, cover T-Ring 21 is fixed on the end of fork 2, the end of dwang 8 has the connecting portion 81 that diameter is less than dwang 8, cover T-Ring 21 is enclosed within on connecting portion 81, one end of turning handle 3 is link 31, the other end handle end 33 of turning handle 3, the end of the link 31 of turning handle 3 has connecting hole 32, connecting portion 81 can pass connecting hole 32, connecting portion 81 and link 31 are circumferentially located by flat key 82, the outer peripheral face of the link 31 of turning handle 3 offers male splines, the inner side of cover T-Ring 21 has female spline, the male splines of the link 31 of turning handle 3 can be connected with the female spline of cover T-Ring 21.When winding up, turning handle 3 is lifted, itself and cover T-Ring 21 are departed from, rotating turning handle 3 makes dwang 8 rotate a fixing turn again, after upper complete clockwork spring, turning handle 3 is put down and make itself and cover T-Ring 21 pass through spline joint, now overlap T-Ring 21 and dwang 8 and circumferentially locate, so clockwork spring drives dwang 8 rotations also just to drive fork 2 to rotate.
As shown in Figure 1, fork 2 positioning seats comprise the pedestal that is fixed on testing table 1, pedestal is positioned at guide rail 6 inner sides, a side away from guide rail 6 on pedestal is fixed with jig arm 1, jig arm 1 is vertically fixing, and the opposite side of pedestal is hinged with jig arm 2 92, and the upper end of jig arm 1 is fixed with hook, jig arm 2 92 is that upper end is fixed with lanyard, jig arm 2 92 vertically time lanyard can hang over hook and go up and keep tensioned state.While carrying out impact test, fork 2 is not between jig arm 1 and jig arm 2 92, lanyard hangs on hook and prevents from jig arm 2 92 rotations from the time of need to clashing into, lanyard being departed to hook, and now fork 2 has rotation trend, after lanyard departs from hook, jig arm 2 92 is rotated, and fork 2 rotates along guide rail 6.
As shown in Figure 4, guide rail 6 comprises body 61 and lug boss 62, the both sides of lug boss 62 have the groove of cross section semicircular in shape, on fork 2, be fixed with sliding shoe 64, the lower surface of sliding shoe 64 has sliding tray, and the both sides cell wall of sliding tray all has and is hemispheric recess, and lug boss 62 is positioned at sliding tray, between lug boss 62 and sliding shoe 64, by ball 63, be slidably connected, ball 63 is between groove and recess.Sliding shoe 64 is slidably connected by ball 63 and guide rail 6, reduced the energy loss that during fork 2 swings, friction causes, and the friction valve between ball 63 and guide rail 6 is certain, and the energy losing in twice detection is also identical, can not affect the accuracy of test figure.
Testing table 1 horizontal positioned, pendulum 22 is not affected by gravity, pendulum 22 drives rotation by clockwork spring, by controlling the velocity of rotation that the decrement of clockwork spring can manual control fork 2, so kinetic energy of energy manual control pendulum 22, greatly increased the coverage of test figure, it without changing pendulum 22, has improved test efficiency in this process, impact sensor 11 can be recorded pendulum 22 and strike the impact on it, can draw the kinetic energy of pendulum 22, there is process of the test as follows: driving mechanism drives fork 2 to produce from fork 2 positioning seats with an initial velocity moving, fixed film not in fixed sturcture now, pendulum 22 directly strikes impact sensor 11, obtain the kinetic energy of pendulum 22, again, the film that needs test on fixed sturcture is fixing, fork 2 produces from fork 2 positioning seats with front once the same initial velocity, pendulum 22 strikes impact sensor 11 after first striking film again, draw the kinetic energy of pendulum 22, by the kinetic energy of twice pendulum 22 being compared to the kinetic energy that can show that pendulum 22 loses in clashing into film, thereby draw anti-pendulum 22 impact energy values of film sample, whether variable unique in said method has film, so test figure is very accurate.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. the clamp region of a film balance weight impact testing machine, described testing machine comprises testing table and fixed mount, on described testing table, be fixed with guide rail, the track of described guide rail is circular arc, on described testing table, there is fixed orifice, described fixed hole position is in the outside of guide rail, described fixed orifice overlaps with the line of the pin joint of fork with the line of the pin joint of fork and the mid point of guide rail, the cross section of described fixed orifice is rectangular, described fixed mount comprises fixed bar, the lower end of described fixed bar is stiff end, the cross section of described stiff end is rectangular, described fixed bar can insert fixed orifice and with fixed orifice wringing fit, the upper end of described fixed bar is fixed with fixed head, described fixed head is vertical with testing table, it is characterized in that, this clamp region comprises two clamping plate, two described clamping plate lay respectively at fixed head both sides parallel with fixed head, the middle part of described clamping plate has opening, at least two screw rods have been threaded between described clamping plate and fixed head, described screw rod is through clamping plate and fixed head, the end of described screw rod is connected with hold-down nut, on clamping plate, be fixed with clamping strip, described clamping plate comprise location division and two clamping limbs, two described clamping limbs form above-mentioned opening, above-mentioned fixed head is between the location division of two clamping plates, described clamping strip is separately fixed at a side of clamping limb, described clamping strip has clamping face, described clamping face undulate, the waveform of this clamping face distributes along the vertical direction.
2. the clamp region of film balance weight impact testing machine according to claim 1, it is characterized in that, between described fixed bar and fixed head, be also provided with rolling disc, described fixed head is fixed on the center of rolling disc, described rolling disc comprises disk body and is positioned at the bulge loop on disk body side face, described fixed bar has mounting hole, on the hole wall of described mounting hole, offer annular groove, described disk body be positioned at mounting hole and with the hole wall of mounting hole against, described bulge loop is positioned at annular groove, the cell wall of described bulge loop and annular groove against, on described bulge loop, there is pilot hole one, on described fixed bar, there are some pilot holes two, described pilot hole two is uniformly distributed ringwise, described pilot hole two is all connected with annular groove, described rolling disc passes pilot hole one by bearing pin and one of them pilot hole two is positioned on fixed bar.
3. the clamp region of film balance weight impact testing machine according to claim 1, it is characterized in that, described testing machine comprises fork and pendulum, described testing table horizontal positioned, one end of described fork is hinged on the table top of testing table, described pendulum is fixed on the other end of fork, the center of circle of described guiderail track overlaps with the pin joint of fork and testing table, the other end of described fork is slidably connected on guide rail, one end that described testing table is positioned at guide rail is provided with fork positioning seat, the other end that described testing table is positioned at guide rail is provided with impact sensor, between described testing table and fork, be provided with the driving mechanism that can drive fork to rotate along pin joint.
4. the clamp region of film balance weight impact testing machine according to claim 3, it is characterized in that, described driving mechanism comprises clockwork spring and dwang, on described testing table, there is the rounded pickup groove in cross section, described clockwork spring is arranged in pickup groove, one end of described dwang is rotatably connected on the center of pickup groove, the outer end of described clockwork spring and the cell wall of pickup groove are fixed, the inner and the dwang of described clockwork spring are fixed, on described testing table, there is the cover plate that can cover on pickup groove, the other end of described dwang is through cover plate, one end of described fork is connected with dwang, between described fork and dwang, be provided with the clutch structure that makes fork separated with dwang when winding up.
5. the clamp region of film balance weight impact testing machine according to claim 4, it is characterized in that, described clutch structure comprises cover T-Ring and turning handle, described cover T-Ring is fixed on the end of fork, the end of described dwang has the connecting portion that diameter is less than dwang, described socket ring set is on connecting portion, one end of described turning handle is link, the other end handle end of described turning handle, the end of the link of described turning handle has connecting hole, described connecting portion can pass connecting hole, described connecting portion and link are circumferentially located by flat key, the outer peripheral face of the link of described turning handle offers male splines, the inner side of described cover T-Ring has female spline, the male splines of the link of described turning handle can be connected with the female spline of cover T-Ring.
6. the clamp region of film balance weight impact testing machine according to claim 3, it is characterized in that, described fork positioning seat comprises the pedestal that is fixed on testing table, described pedestal is positioned at guide rail inner side, a side away from guide rail on described pedestal is fixed with jig arm one, described jig arm one is vertically fixing, the opposite side of described pedestal is hinged with jig arm two, the upper end of described jig arm one is fixed with hook, described jig arm two is that upper end is fixed with lanyard, described jig arm two vertically time lanyard can hang over hook and go up and keep tensioned state.
7. the clamp region of film balance weight impact testing machine according to claim 3, it is characterized in that, described guide rail comprises body and lug boss, the both sides of described lug boss have the groove of cross section semicircular in shape, on described fork, be fixed with sliding shoe, the lower surface of described sliding shoe has sliding tray, the both sides cell wall of described sliding tray all has and is hemispheric recess, described boss is in sliding tray, between described lug boss and sliding shoe, by ball, be slidably connected, described ball is between groove and recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177461.1U CN203772636U (en) | 2014-04-14 | 2014-04-14 | Clamping plate structure of film pendulum bob impact test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177461.1U CN203772636U (en) | 2014-04-14 | 2014-04-14 | Clamping plate structure of film pendulum bob impact test machine |
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| Publication Number | Publication Date |
|---|---|
| CN203772636U true CN203772636U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420177461.1U Expired - Fee Related CN203772636U (en) | 2014-04-14 | 2014-04-14 | Clamping plate structure of film pendulum bob impact test machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807053A (en) * | 2017-11-30 | 2018-03-16 | 青岛科技大学 | A kind of hard and soft interchangeable experimental rig of impact |
| CN111751389A (en) * | 2020-07-07 | 2020-10-09 | 中易创新(北京)科技有限公司 | X-ray three-dimensional imaging nondestructive testing device |
-
2014
- 2014-04-14 CN CN201420177461.1U patent/CN203772636U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807053A (en) * | 2017-11-30 | 2018-03-16 | 青岛科技大学 | A kind of hard and soft interchangeable experimental rig of impact |
| CN107807053B (en) * | 2017-11-30 | 2023-08-29 | 青岛科技大学 | Rigid-flexible impact interchangeable test device |
| CN111751389A (en) * | 2020-07-07 | 2020-10-09 | 中易创新(北京)科技有限公司 | X-ray three-dimensional imaging nondestructive testing device |
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Granted publication date: 20140813 Termination date: 20150414 |
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