CN212159375U - A powerful test device for combined material tensile test - Google Patents
A powerful test device for combined material tensile test Download PDFInfo
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- CN212159375U CN212159375U CN202020977478.0U CN202020977478U CN212159375U CN 212159375 U CN212159375 U CN 212159375U CN 202020977478 U CN202020977478 U CN 202020977478U CN 212159375 U CN212159375 U CN 212159375U
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- ball screw
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- screw rod
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Abstract
The utility model discloses a powerful test device for combined material tensile test, which comprises a bracket, screw drive mechanism, decide anchor clamps and removal portion, the support is divided into left socle and right branch frame by the left flank of vertical setting, well incline, the right flank, the top arris and the base of horizontal setting, at the left flank, well incline, all be provided with screw drive mechanism's ball screw in the right flank, driving motor directly orders about well incline's ball screw rotation, the screw rod syntropy of the ball screw that drives the left flank simultaneously through drive chain and the ball screw of the right flank rotates, realize the synchronous rotation of three screw rod. The utility model provides high efficiency of software testing and can measure two kinds of combined material's powerful value index simultaneously.
Description
Technical Field
The utility model relates to a powerful test device especially relates to a powerful test device that is used for tensile test of combined material.
Background
The strength value of the composite material is an important physical index for measuring the quality of the composite material, and the strength value indexes of the composite material are various and commonly used: the composite material has the advantages of tensile breaking strength, top breaking strength, tearing strength, peeling strength, sewing strength, tearing strength, tensile elastic force, anti-sliding strength and the like, however, the traditional strength tester can only test one sample at the same time, and the testing efficiency is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve the powerful test device that is used for tensile test of combined material of efficiency of software testing, the powerful value index of two kinds of combined material of simultaneous measurement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a strength test device for tensile and tensile test of composite materials comprises
The support comprises a left side edge, a middle side edge, a right side edge, a top edge and a base which are vertically arranged, the support is divided into a left support and a right support, the left side edge, the middle side edge, the top edge and the base form a measuring space of the left support, and the right side edge, the middle side edge, the top edge and the base form a measuring space of the right support;
the screw rod transmission mechanism comprises a driving motor and a ball screw rod, the ball screw rods are arranged in the left side edge, the middle side edge and the right side edge, the driving motor is positioned in the base, the output end of the driving motor is connected with the screw rod of the ball screw rod of the middle side edge, the output end of the driving motor is respectively connected with the screw rod of the ball screw rod of the left side edge and the screw rod of the ball screw rod of the right side edge through a transmission chain, the driving motor directly drives the screw rod of the ball screw rod of the middle side edge to rotate, and simultaneously drives the ball screw rod of the left side edge and the screw rod of the ball screw rod of the right side edge to rotate in the same direction through the transmission chain;
the two fixed clamps are fixed on the base, one fixed clamp is positioned between the left side edge and the middle side edge, the other fixed clamp is positioned between the right side edge and the middle side edge, the outer surface of the middle side edge is provided with a graduated scale, and the same horizontal position of the graduated scale and the fixed clamps is a graduation starting point;
the two moving parts with different heights are respectively positioned between the left side edge and the middle side edge and between the right side edge and the middle side edge, two ends of one moving part are respectively connected with the nut of the ball screw at the left side edge and the first nut of the ball screw at the middle side edge, two ends of the other moving part are respectively connected with the nut of the ball screw at the right side edge and the second nut of the ball screw at the middle side edge, a force sensor and a movable clamp are sequentially connected below each moving part, and the force sensor is a strain type sensor.
The side on ball screw's screw rod top in left side arris, well side arris, the right side arris is for not taking the screwed smooth surface, move the difference in height of anchor clamps in the left socle and the right branch frame when needs adjustment, but the start driving motor makes the anchor clamps that move that are located the left socle of higher department continue upward movement to smooth surface department, the anchor clamps that move of left socle no longer up move, this moment according to the demand, driving motor continues to order about the anchor clamps that move of right branch frame and move down or upward movement to this difference in height of adjusting left socle internal movement anchor clamps and right branch frame internal movement anchor clamps.
The fixed clamp is a fixed clamp with adjustable height.
The scale is embedded into the outer surface of the middle side edge, positioning through holes are formed in the two ends of the scale, a plurality of positioning screw holes are formed in the middle side edge, positioning bolts penetrate through the positioning through holes and are screwed into the positioning screw holes, the scale is fixed on the middle side edge, and the position of the scale in the middle side edge can be adjusted according to measurement requirements.
The length of the composite material between the movable clamp and the fixed clamp before or after being stretched can be judged by naked eyes according to the distance between the fixed pointer and the movable pointer read on the graduated scale.
The utility model has the advantages as follows:
the utility model divides the bracket into a left bracket and a right bracket through a left side edge, a middle side edge, a right side edge, a transversely arranged top edge and a base, tests can be carried out in the left bracket and the right bracket, a fixed clamp and a moving part with a moving clamp are arranged between the left side edge and the middle side edge, a fixed clamp and a moving part with a moving clamp are also arranged between the right side edge and the middle side edge, ball screws are arranged in the left side edge, the middle side edge and the right side edge of the bracket, a driving motor is positioned in a base, the output end of the driving motor is connected with the screw rod of the ball screw of the middle side edge and respectively drives the screw rod of the ball screw of the left side edge and the screw rod of the ball screw of the right side edge through a transmission chain, so that the two moving parts move simultaneously, the composite material is stretched, thereby the strength value index of two composite materials can be simultaneously measured, and the measuring efficiency is improved, and the distance difference exists between the two moving parts, so that the measuring requirements of the composite materials with different lengths can be met, the graduated scales are arranged in the two measuring spaces, a measurer can read the original length and the stretching length of the composite material by naked eyes, the result is obtained by combining the measured data, and the measuring reliability is improved.
Drawings
Fig. 1 is an overall schematic view of the present invention.
The labels in the figures are: 1-bracket, 11-left edge, 12-middle edge, 13-right edge, 14-base, 15-graduated scale, 2-ball screw, 3-fixed clamp, 31-fixed pointer, 4-movable clamp, 41-moving part, 42-force sensor, 43-movable pointer.
Detailed Description
The invention will be further described with reference to the accompanying fig. 1 and the examples.
A strength test device for tensile testing of composite materials comprises a support 1, a screw rod transmission mechanism and a clamp.
The support 1 is divided into a left support and a right support by a vertically arranged left side edge 11, a middle side edge 12, a right side edge 13, a transversely arranged top edge and a base, the left side edge 11, the middle side edge 12 and the right side edge 13 are respectively provided with a ball screw 2 of a screw transmission mechanism, a driving motor of the screw transmission mechanism is positioned in a base 14, the output end of the driving motor is connected with a screw of the ball screw 2 of the middle side edge 12, the output end of the driving motor is respectively connected with a screw of the ball screw 2 of the left side edge 11 and a screw of the ball screw 2 of the right side edge 13 through a transmission chain, the driving motor directly drives the screw of the ball screw 2 of the middle side edge 12 to rotate, and meanwhile, the transmission chain drives the ball screws 2 of the left side edge 11 and the ball screws of the ball screw 2 of the right side edge 13 to rotate in the same direction, so that the.
Two decide anchor clamps 3 and be fixed in on the base, decide anchor clamps 3 for height-adjustable decides anchor clamps, decide anchor clamps 3 and be located between left side arris 11 and middle arris 12, another decides anchor clamps 3 and is located between right side arris 13 and middle arris 12, the surface of lateral arris 12 in the scale 15 embedding, the same horizontal position of scale 15 and decide anchor clamps 3 is the scale starting point, scale 15 both ends all are provided with positioning hole, be provided with a plurality of location screw holes on middle arris 12, positioning bolt passes positioning hole screw in location screw hole, fix scale 15 on middle arris 12, scale 15 can be according to the position of measuring demand adjustment in middle arris 12.
And two moving parts 41 with different heights, wherein the two moving parts 41 are respectively positioned between the left side edge and the middle side edge and between the right side edge and the middle side edge, two ends of one moving part 41 are respectively connected with the nut of the ball screw 2 of the left side edge 11 and the first nut of the ball screw 2 of the middle side edge 12, two ends of the other moving part 41 are respectively connected with the nut of the ball screw 2 of the right side edge 13 and the second nut of the ball screw 2 of the middle side edge 12, a force sensor 42 and a movable clamp 4 are sequentially connected below each moving part 41, the moving part 41 positioned in the left bracket is positioned above the moving part 41 positioned in the right bracket, when a driving motor rotates, the screws of the three ball screws 2 are driven to rotate at the same speed, and the moving parts 41 in the left bracket and the right bracket ascend or descend at the same speed to stretch the composite material.
The side at the screw top end of the ball screw rod 2 in the left side edge 11, the middle side edge 12 and the right side edge 13 is a smooth surface without threads, when the height difference of the movable clamp 4 in the left support and the movable clamp 4 in the right support needs to be adjusted, the driving motor can be started to enable the movable clamp 4 of the left support located at a higher position to continuously move upwards to the smooth surface, the movable clamp 4 in the left support does not move upwards any more, at the moment, according to requirements, the driving motor continuously drives the movable clamp 4 of the right support to move downwards or upwards, and therefore the height difference of the movable clamp 4 in the left support and the movable clamp 4 in the right support is adjusted.
The movable pointer 43 is arranged in the horizontal direction of the movable clamp 4, the fixed pointer 31 is arranged in the horizontal direction of the fixed clamp 3, both the movable pointer 43 and the fixed pointer 31 point to the graduated scale 15 of the middle lateral edge 12, and the length of the composite material between the movable clamp 4 and the fixed clamp 3 before or after being stretched can be judged by naked eyes according to the distance between the fixed pointer 31 and the movable pointer 43 read on the graduated scale 15.
During specific implementation, two kinds of composite materials are respectively placed into the measuring spaces of the left support and the right support, the fixed clamp 3 and the movable clamp 4 respectively clamp two ends of the composite materials, the length of the composite materials at the moment is read from the scale 15 of the middle side edge 12, the data measured by the equipment is verified, and the test is started.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A strength testing apparatus for composite tensile testing, comprising: the support (1) comprises a left side edge (11), a middle side edge (12), a right side edge (13) which are vertically arranged, a top edge and a base which are transversely arranged, the support (1) is divided into the left support and the right support, the left side edge (11), the middle side edge (12), the top edge and the base form a measuring space of the left support, and the right side edge (13), the middle side edge (12), the top edge and the base form a measuring space of the right support;
the screw rod transmission mechanism comprises a driving motor and a ball screw rod (2), the ball screw rods (2) are arranged in the left side edge (11), the middle side edge (12) and the right side edge (13), the driving motor is positioned in the base (14), the output end of the driving motor is connected with the screw rod of the ball screw rod (2) of the middle side edge (12), and the output end of the driving motor is respectively connected with the screw rod of the ball screw rod (2) of the left side edge (11) and the screw rod of the ball screw rod (2) of the right side edge (13) through a transmission chain;
the two fixed clamps (3) are fixed on the base, one fixed clamp (3) is positioned between the left side edge (11) and the middle side edge (12), and the other fixed clamp (3) is positioned between the right side edge (13) and the middle side edge (12);
and two moving parts (41) with different heights are respectively positioned between the left side edge and the middle side edge and between the right side edge and the middle side edge, two ends of one moving part (41) are respectively connected with the nut of the ball screw (2) of the left side edge (11) and the first nut of the ball screw (2) of the middle side edge (12), two ends of the other moving part (41) are respectively connected with the nut of the ball screw (2) of the right side edge (13) and the second nut of the ball screw (2) of the middle side edge (12), and a force sensor (42) and a movable clamp (4) are sequentially connected below each moving part (41).
2. A strength testing apparatus for composite tensile testing according to claim 1, wherein: the outer surface of the middle side edge (12) is provided with a graduated scale (15), and the graduated scale (15) and the fixed clamp (3) are arranged at the same horizontal position as a graduation starting point.
3. A strength testing apparatus for composite tensile testing according to claim 1, wherein: the side surfaces of the screw tops of the ball screw rods (2) in the left side edge (11), the middle side edge (12) and the right side edge (13) are smooth surfaces without threads.
4. A strength testing apparatus for composite tensile testing according to claim 2, wherein: the fixed clamp (3) is a fixed clamp with adjustable height.
5. A strength testing apparatus for composite tensile testing according to claim 4, wherein: the scale (15) is embedded into the outer surface of the middle side edge (12), positioning through holes are formed in two ends of the scale (15), a plurality of positioning screw holes are formed in the middle side edge (12), and positioning bolts penetrate through the positioning through holes and are screwed into the positioning screw holes to fix the scale (15) on the middle side edge (12).
6. A strength testing apparatus for composite tensile testing according to claim 5, wherein: the movable clamp (4) is provided with a movable pointer (43) in the horizontal direction, the fixed clamp (3) is provided with a fixed pointer (31) in the horizontal direction, and the movable pointer (43) and the fixed pointer (31) both point to the scale (15) of the middle side edge (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020977478.0U CN212159375U (en) | 2020-06-01 | 2020-06-01 | A powerful test device for combined material tensile test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020977478.0U CN212159375U (en) | 2020-06-01 | 2020-06-01 | A powerful test device for combined material tensile test |
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| CN212159375U true CN212159375U (en) | 2020-12-15 |
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| CN202020977478.0U Active CN212159375U (en) | 2020-06-01 | 2020-06-01 | A powerful test device for combined material tensile test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152170A (en) * | 2021-11-17 | 2022-03-08 | 中铁五局集团路桥工程有限责任公司 | Tramcar steel rail tensile displacement measurement method |
-
2020
- 2020-06-01 CN CN202020977478.0U patent/CN212159375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152170A (en) * | 2021-11-17 | 2022-03-08 | 中铁五局集团路桥工程有限责任公司 | Tramcar steel rail tensile displacement measurement method |
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