CN209992276U

CN209992276U - Microcomputer controlled electronic universal tester

Info

Publication number: CN209992276U
Application number: CN201821808657.0U
Authority: CN
Inventors: 皮松兵; 侯长辉; 罗毅; 饶品新; 马森
Original assignee: Shenzhen Huakeda Testing Co Ltd
Current assignee: Shenzhen Huakeda Testing Co Ltd
Priority date: 2018-11-01
Filing date: 2018-11-01
Publication date: 2020-01-24
Anticipated expiration: 2028-11-01

Abstract

The utility model discloses a microcomputer control electron universal tester, including fixing at subaerial shell, the shell is provided with gauge head, its characterized in that along its vertical direction level: the gauge head includes the connecting rod, the connecting rod is kept away from shell one end and is provided with the probe, the probe is located the axis at base center, the shell is kept away from a side on ground and is seted up two parallel spouts along its length direction, sliding connection has two locating parts that the restriction bellows removed along shell length direction in the spout, be provided with between locating part and the spout and be connected fastener between them, a side on ground is kept away from to the shell still is provided with the calibration piece along its length direction, the initial point of calibration piece and the coincidence of the middle point of shell along its marginal length direction, two locating parts are located the both sides of calibration piece initial point respectively. The utility model discloses a simple structure, when carrying out bellows ring rigidity test, upper and lower holding disk non-deformable, the accurate advantage of measured data.

Description

Microcomputer controlled electronic universal tester

Technical Field

The utility model relates to a material capability test equipment technical field, more specifically say, it relates to a microcomputer control electron universal tester.

Background

The microcomputer control electronic universal testing machine on the market at present has wide application, and is often used for carrying out tensile, bending, compression and shearing tests on a material to be detected, and carrying out evaluation, application development research and quality control on the performance of the material according to obtained data.

The microcomputer controlled electronic universal tester is widely applied to the plastic pipe industry, such as corrugated pipes. The microcomputer controlled electronic universal tester mainly comprises a shell, a pressure plate arranged on the shell and an upper measuring head and a lower measuring head arranged in the pressure plate, wherein the upper measuring head and the lower measuring head are close to the end part of the pressure plate.

But because upper and lower gauge head is close to the position of pressure disk tip to in fact the distance between lower gauge head and the universal tester shell is very close, so when carrying out tubular product ring rigidity test experiment, great moment effect will appear in the tip about the pressure disk, and the time is of a specified duration, and the pressure disk warp seriously, causes the pressure disk height from left to right low, causes the measured data inaccurate easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a computer control electron universal tester, has non-deformable, the accurate advantage of measured data to prior art exists not enough, the utility model aims to provide a microcomputer control electron universal tester.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a microcomputer control electronic universal tester comprises a shell fixed on the ground, wherein a measuring head is horizontally arranged on the shell along the vertical direction of the shell; the gauge head includes the connecting rod, the connecting rod is kept away from shell one end and is provided with the probe, the probe is located the axis at base center, the shell is kept away from a side on ground and is seted up two parallel spouts along its length direction, sliding connection has two locating parts that the restriction bellows removed along shell length direction in the spout, be provided with between locating part and the spout and be connected fastener between them, a side on ground is kept away from to the shell still is provided with the calibration piece along its length direction, the initial point of calibration piece and the coincidence of the middle point of shell along its marginal length direction, two locating parts are located the both sides of calibration piece initial point respectively.

Through adopting above-mentioned technical scheme, will wait to detect the bellows and place between two locating parts, when doing bellows ring rigidity testing, reduced the bellows and moved about the length direction of shell under the effect of external pressure, two locating parts play a spacing effect to the bellows to make the measuring result of bellows ring rigidity more accurate. Because the bellows that can't guarantee to be detected at every turn in actual detection is the same along shell length direction's length, when the bellows actual length that waits to detect does not equal to the distance between the two fixed locating parts, two locating parts just can not play spacing effect to the bellows that waits to detect, so can be according to the actual length along shell length direction of bellows, adjust the distance that the slip of locating part in the spout changes between two locating parts, thereby strengthened the universal relevance nature of locating part when guaranteeing that two locating parts treat the bellows that detects and play limiting displacement. The fastener is designed to mainly fix the two limiting parts in the sliding groove after the distance between the two limiting parts is adjusted, so that the positions of the two limiting parts after the positions are adjusted are reduced to be changed again under the action of external force, and the accuracy of the rigidity measurement result of the corrugated pipe ring is ensured. The design of probe is also mainly to play the effect of a spacing butt to the bellows, and the probe is with bellows inner wall butt to reduce the motion of bellows along its circumference, thereby made the measuring result of bellows ring rigidity more accurate. The probe is arranged on the axis of the center of the base, so that the probe is positioned in the center of the shell, when the detection test of the rigidity of the corrugated pipe ring is carried out, the probe is abutted to the corrugated pipe along the center of the length direction of the shell, the stability of the corrugated pipe on the limiting part is enhanced, and the measurement result of the rigidity of the corrugated pipe ring is more accurate. The original point of the calibration piece coincides with the middle point of the shell along the length direction of the edge of the shell, and the two limiting pieces are moved to positions symmetrical about the original point of the calibration piece and fixed, so that the corrugated pipe placed on the two limiting pieces is positioned at the center of the microcomputer control electronic universal testing machine, the reaction force of the corrugated pipe on the microcomputer control electronic universal testing machine is uniformly distributed on the testing machine when the rigidity detection test of the corrugated pipe ring is carried out, the damage of the universal microcomputer control electronic universal testing machine due to uneven stress is reduced, and the accuracy of the rigidity measurement result of the corrugated pipe ring is ensured. The origin of the calibration piece coincides with the middle point of the shell along the length direction of the edge of the calibration piece, the two limiting pieces are respectively located on the left side and the right side of the origin of the calibration piece, the distance between the limiting pieces on the two sides and the origin of the calibration piece is convenient to determine, and the error that the two limiting pieces are centrosymmetric with respect to the origin of the calibration piece is reduced, so that the corrugated pipe placed on the two limiting pieces is located at the center of the microcomputer-controlled electronic universal testing machine, and further the rigidity measurement result of the corrugated pipe ring is more accurate.

The utility model discloses further set up to: the two limiting parts are arranged perpendicular to the sliding groove along the horizontal direction.

By adopting the technical scheme, the two limiting pieces vertically span between the parallel sliding chutes, and for the two limiting pieces slidably connected to each sliding chute, on one hand, the number of times of moving the limiting pieces by a worker is reduced, so that the operation of the worker is facilitated; on the other hand, the limiting part strengthens the limiting effect on the corrugated pipe along the length direction of the limiting part, so that the movement of the corrugated pipe under the action of external force is reduced, and the test measurement result is more accurate.

The utility model discloses further set up to: the calibration piece is a graduated scale, and the scales on the graduated scale are centrosymmetric about the origin.

By adopting the technical scheme, the dividing ruler can reflect the distance between the two limiting parts more intuitively; the scale marks on the graduated scale are centrosymmetric about the original point, so that the initial distances from the two limiting parts to the original point position respectively can be reflected more visually, the reading accuracy is improved, and the accuracy of the corrugated pipe ring rigidity measurement test result is ensured.

The utility model discloses further set up to: and an arc part is arranged on one side surface of the two limiting parts, which is close to each other.

By adopting the technical scheme, the arc part is arranged on one side surface of the two limiting parts, which is close to each other, so that the arc surface of the corrugated pipe placed between the two limiting parts is attached to the arc surface of the arc part of the limiting part, thereby reducing errors and improving the accuracy of test measurement results; on the other hand, the stability of the corrugated pipe on the limiting piece is improved.

The utility model discloses further set up to: and anti-skid grains are arranged on one side of the arc surface of the arc part.

By adopting the technical scheme, the corrugated pipe is placed on the limiting part when the rigidity measurement test of the corrugated pipe ring is carried out by adding the anti-slip lines, so that the friction between the corrugated pipe and the limiting part is increased, and the possibility that the corrugated pipe slips from the limiting part is reduced.

The utility model discloses further set up to: and pulleys are arranged on the parts, positioned in the sliding grooves, of the two ends of the limiting piece.

Through adopting above-mentioned technical scheme, become the rolling friction between pulley and the spout with the sliding friction between locating part and the spout to reduce the friction between locating part and the spout, be convenient for the motion of locating part in the spout.

The utility model discloses further set up to: the locating part is located the part outside the spout and is provided with a plurality of balls along its length direction and a side near ground.

By adopting the technical scheme, the arrangement of the rolling balls can ensure that the limiting blocks slide in the sliding grooves when the distance between the two limiting blocks is adjusted, and the rolling balls reduce the friction between the limiting blocks and the shell, so that the limiting blocks can move along the length direction of the sliding grooves; on the other hand, the ball enables the surface-to-surface contact between the limiting block and the shell to be the point-to-surface contact, so that the damage of external pressure to the shell during a bellows ring stiffness test is reduced.

The utility model discloses further set up to: a plurality of the balls are evenly arranged in ranks along the length direction of the limiting part.

Through adopting above-mentioned technical scheme, the ball is the range arrangement along the length direction of locating part, compares in only setting up single file or single-row ball, has reduced the locating part and has rocked about on the straight line of horizontal direction perpendicular to single file ball or single-row ball place, has increased the gliding stability of locating part along the spout. The balls are uniformly arranged, so that on one hand, when a rigidity measurement test of the bellows ring is carried out, the pressure applied to each ball is the same, and the damage of the pressure to the balls is reduced; on the other hand, when the limiting piece slides in the sliding groove, the limiting piece is in the same size with the dynamic friction force of the shell through the balls, and therefore the limiting piece is guaranteed to move at a constant speed along the sliding groove.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses simple structure, but have the feasibility of carrying out, through the initial point with the scale and the coincidence of the mid point of shell edge along its length direction, become centrosymmetric's design with two locating parts about the initial point of scale, thereby guaranteed that the bellows of placing on the locating part is located the center of computer control electron universal tester, when carrying out bellows ring rigidity testing test promptly, reduced computer control electron universal tester because of receiving inhomogeneous reaction force and leading to the clamp plate horizontal tilt, the measurement accuracy of computer control electron universal tester has been increased.

2. The design of pulley has reduced the friction between the part that the locating part is located the spout and the spout, and the design of ball has reduced the friction that ground one end was kept away from to the part that the locating part is located the spout and shell, to sum up has all reduced the friction of locating part when removing to be convenient for the holistic removal of locating part.

Drawings

FIG. 1 is a schematic structural diagram of a microcomputer controlled electronic universal tester equipped with a bellows;

FIG. 2 is a schematic structural diagram of an electronic testing machine;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic structural diagram of a limiting member;

fig. 5 is a schematic structural diagram of the probe.

Reference numerals: 1. a housing; 11. a base; 12. a side plate; 13. a top plate; 14. a guide bar; 15. a platen; 16. a measuring head; 161. a connecting rod; 162. a probe; 21. a chute; 22. a strip-shaped through groove; 3. a calibration piece; 4. a limiting member; 41. a sliding part; 411. a pulley; 42. a connecting portion; 421. a ball bearing; 422. a handle; 43. a circular arc portion; 431. anti-skid lines; 5. a fastener.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a microcomputer control electron universal tester, as shown in figure 1, including fixing at subaerial shell 1, shell 1 includes base 11 and the parallel curb plate 12 at vertical perpendicular to base 11 both ends, base 11 is the rectangle, base 11 one end is fixed with roof 13 is kept away from to both sides board 12, be close to equal vertical two guide bars 14 that are provided with in curb plate 12 one side between roof 13 and the base 11, sliding connection has the pressure disk 15 that reciprocates along the vertical direction of curb plate 12 between the board 12 of both sides, be provided with between pressure disk and the base 11, two lower gauge heads 16, two upper and lower gauge heads 16 are located the same one side of curb plate 12 and with guide bar 14 sliding connection.

As shown in fig. 5, each of the upper and lower measuring heads 16 includes a link 161 and a probe 162, the link 161 is a "T" shaped structure, two ends of the link 161 symmetrical about the center are slidably connected to the guide rod 14, and the probe 162 is fixed to an end of the link 161 away from the guide rod 14 in a vertical direction.

Probe 162 is located on an axis centered on base 11.

As shown in fig. 2-3, two parallel sliding grooves 21 are formed in a side surface of the base 11 away from the ground along the length direction, and the sliding grooves 21 are close to the edge of the side surface.

The base 11 has all seted up rectangular shape through groove 22 with the adjacent both sides face of spout 21, and rectangular shape through groove 22 link up with spout 21 mutually perpendicular.

A side surface of the base 11, which is far away from the ground, is fixed with the calibration piece 3 along the length direction, and the calibration piece 3 is positioned on one side of the sliding groove 21, which is close to the side surface of the base 11.

As shown in fig. 3, the calibration piece 3 is a scale, the origin of the scale coincides with the center of the edge of the base 11 along the length direction thereof, and the scales on the scale are arranged in central symmetry with respect to the origin.

As shown in fig. 2, two limiting members 4 for limiting the movement of the bellows along the length direction of the base 11 are slidably connected in the sliding slot 21, the two limiting members 4 are arranged perpendicular to the sliding slot 21 along the horizontal direction, and the two limiting members 4 are respectively located at two sides of the origin of the scale.

As shown in fig. 4, the limiting member 4 includes a connecting portion 42 and sliding portions 41 fixed to both ends of the connecting portion 42, and the sliding portions 41 can slide in the sliding groove 21 and are adapted to the size of the sliding groove 21.

Two rows of balls 421 are uniformly arranged on one side of the connecting part 42 close to the base 11 along the length direction, and the balls 421 are tangent to one side of the base 11 far from the ground.

A handle 422 is fixed on one side of the connecting portion 42 away from the base 11.

A pulley 411 is fixed to one side of the sliding portion 41 away from the connecting portion 42.

An arc part 43 is fixed on one side surface of the two connecting parts 42 close to each other, and an anti-slip pattern 431 is fixed on the arc surface of the arc part.

The height of the circular arc portion 43 in the vertical direction is smaller than the height of the connecting portion 42 in the vertical direction.

As shown in fig. 3, a fastener 5 screwed to the sliding portion 41 is inserted into the elongated through groove 22, and the fastener 5 is a screw.

The concrete working principle and the beneficial effects of the embodiment are as follows:

before a corrugated pipe rigidity detection test is carried out, firstly, a screw is unscrewed, the limiting parts 4 slide to the two ends along the original point deviating from the graduated scale to proper positions by means of the handle 422, the corrugated pipe is placed between the two limiting parts 4, the relative positions of the corrugated pipe and the limiting parts 4 are adjusted until the distances from the limiting parts 4 on the two sides of the original point of the graduated scale to the original point are equal, at the moment, the arc surface of the corrugated pipe is attached to the arc surface of the smooth part, and the screw is screwed down, so that the limiting parts 4 are fixed with the; after the position of the corrugated pipe on the limiting member 4 is fixed, the probe 162 is abutted and fixed with the inside of the corrugated pipe, and after the corrugated pipe is completely fixed, the rigidity of the corrugated pipe can be detected.

The original point of the graduated scale is coincided with the middle point of the edge of the shell 1 along the length direction of the graduated scale, and the two locating parts 4 are designed to be centrosymmetric relative to the original point of the graduated scale, so that the corrugated pipe placed on the locating parts 4 is located at the center of the microcomputer control electronic universal testing machine, namely, when a corrugated pipe ring stiffness detection test is carried out, the left and right inclination of a pressing plate caused by the uneven reaction force applied to the microcomputer control electronic universal testing machine is reduced, and the measurement accuracy of the microcomputer control electronic universal testing machine is improved.

Since the sliding friction between the sliding portion 41 and the slide groove 21 is changed to the rolling friction between the pulley 411 and the slide groove 21, the friction between the stopper 4 and the slide groove 21 is reduced, and the movement of the sliding portion 41 in the slide groove 21 is facilitated.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a microcomputer control electron universal tester, is including fixing shell (1) on ground, shell (1) is provided with gauge head (16) along its vertical direction level, its characterized in that: head (16) include connecting rod (161), shell (1) one end is kept away from in connecting rod (161) is provided with probe (162), probe (162) are located the axis at base (11) center, shell (1) is kept away from a side on ground and is seted up two parallel spout (21) along its length direction, sliding connection has two locating parts (4) that restriction bellows removed along shell (1) length direction in spout (21), be provided with between locating part (4) and spout (21) and be connected fastener (5) between them, a side that shell (1) kept away from ground still is provided with calibration piece (3) along its length direction, the initial point of calibration piece (3) and shell (1) coincide along its marginal length direction's mid point, two locating parts (4) are located the both sides of calibration piece (3) initial point respectively.

2. The microcomputer controlled electronic universal tester of claim 1, wherein: the two limiting parts (4) are arranged perpendicular to the sliding groove (21) along the horizontal direction.

3. The microcomputer controlled electronic universal tester of claim 1, wherein: the calibration piece (3) is a graduated scale, and the scales on the graduated scale are centrosymmetric with respect to the original point.

4. The microcomputer controlled electronic universal tester of claim 1, wherein: one side surface of the two limiting parts (4) close to each other is provided with an arc part (43).

5. The microcomputer controlled electronic universal tester of claim 4, wherein: and anti-skid grains (431) are arranged on one side of the arc surface of the arc part (43).

6. The microcomputer controlled electronic universal tester of claim 1, wherein: and pulleys (411) are arranged on the parts, located in the sliding grooves (21), of the two ends of the limiting piece (4).

7. The microcomputer controlled electronic universal tester of claim 1, wherein: the limiting piece (4) is provided with a plurality of balls (421) along the part, located outside the sliding groove (21), of the length direction and on one side face close to the ground.

8. The microcomputer controlled electronic universal tester of claim 7, wherein: the balls (421) are uniformly arranged in rows and columns along the length direction of the limiting piece (4).