CN220437650U - Calibration tool for tension measuring instrument - Google Patents

Abstract

The utility model is suitable for the technical field of calibrating devices of tension meters, and provides a calibrating tool for a tension meter. This calibration tool for tension meter, two lead screws rotate and make two lead screw cover drive the sliding plate downstream, can carry out the understanding directly perceivedly to the position of sliding plate through the locating lever, because of the standard pulling force under different positions is different, when need survey thrust, cancel the connection with the lead screw cover with the connecting plate, after the installation electric telescopic handle, extend the response portion that drives sliding plate and tensiometer through electric telescopic handle, according to the power output size of electric telescopic handle can judge how much the thrust that produces fast, satisfy different detection demands, need not operating personnel constantly to change the weight, automatic completion correspondence is adjusted, it is more directly perceived to show, the result of use is better.

Description

Calibration tool for tension measuring instrument

Technical Field

The utility model belongs to the technical field of tension meter calibration devices, and particularly relates to a calibration tool for a tension meter, which ensures that the installation positions are on the same axis and rapidly completes positioning and installation.

Background

The tension meter is a small and simple thrust and tension tester, and the working principle is that in the process of testing, the generated acting force can be generated on the deformation body through the action of the connecting piece part of the digital display push-pull meter, and then the deformation body is correspondingly deformed by the elasticity of the digital display push-pull meter, the deformation degree is in direct proportion to the generated acting force, that is to say, the generated acting force is obtained by observing the deformation degree.

Calibrating the tensiometer ensures that it functions properly and accurately, thus obtaining a more stable and consistent measurement, which is particularly important when testing products in a production or quality control environment, where consistent measurements are critical to quality control, so that it is necessary to calibrate the tensiometer prior to each test to ensure accurate and reliable readings, and to adjust the tensiometer during calibration to ensure that it accurately measures the tension or strain applied to the material or structure during the test.

When the existing calibration is carried out on a tension measuring instrument, a mode of hanging weights is generally used, the tension measuring instrument is vertically fixed, weights with different values are hung down, the values of the weights are compared with the values obtained by the tension measuring instrument, however, when the mode is used for detecting, the measurement is inaccurate due to the fact that the weights are used for a long time, and when the weights with different weights are needed to be continuously replaced by operators during detection, especially when the measurement calibration is carried out on a large number of tension measuring instruments, the cost of purchasing the weights is high, so that a calibration tool which is simple and visual, does not need to be taken by operators to lift and install the weights, and saves time and cost is needed.

Disclosure of Invention

The utility model provides a calibration tool for a tension measuring instrument, and aims to solve the problem that weights with different values need to be replaced continuously during calibration, and the detection time is long because the weights need to be replaced repeatedly during mass calibration.

The utility model is realized in such a way that the calibrating tool for the tension meter comprises a base, a test box arranged on the base, a sliding plate arranged in the inner cavity of the test box, two connecting plates respectively arranged at two ends of the sliding plate, and a pull ring arranged at the top of the sliding plate and connected with the tension meter;

the positioning rod is arranged on the surface of the sliding plate, the outer end of the positioning rod penetrates through the surface of the test box, a penetrating groove which is arranged on the surface of the test box and used for sliding the positioning rod is formed, a graduated scale which is arranged on the surface of the test box and used for obtaining the position of the sliding plate is arranged on the surface of the test box, the electric telescopic rod is detachably arranged at the bottom of the inner cavity of the test box, and the top end of the electric telescopic rod is detachably connected with the bottom of the sliding plate;

locate the base inner chamber is used for the drive slide plate moves along the actuating mechanism of vertical direction, actuating mechanism is including locating the lead screw of base inner chamber, the top of lead screw runs through to the top of test box inner chamber and with the top of test box inner wall rotates to be connected, locates the surface of lead screw and be located the lead screw cover of test box inner chamber, the lead screw cover pass through the bolt with the connection can be dismantled to the connecting plate.

Preferably, the screw rods are vertically arranged at the bottoms of the inner wall surfaces of the base in a rotatable mode, the top ends of the screw rods penetrate through the inner cavity of the test box and are rotationally connected with the top of the inner wall surface of the test box, the surfaces of the screw rods are located in the inner cavity of the base, belt pulleys are arranged on the surfaces of the screw rods, the belt pulleys are connected through belt transmission, and a motor for driving the screw rods to rotate is arranged in the inner cavity of the base.

Preferably, the surface of pull ring is provided with the connecting block, the surface threaded connection ground of connecting block runs through and is provided with positioning bolt, a plurality of screw holes have evenly been seted up along the horizontal direction to a plurality of sliding plate surface.

Preferably, the both ends at test box top all are provided with the stop gear who is used for fixed tensiometer, stop gear including fixed connection in the fixing base of test box top one end locates the grip block at test box top, the grip block with be provided with the elastic component between the fixing base.

Preferably, the clamping plate is transversely fixedly connected with a connecting rod towards one side of the fixing seat, one end of the connecting rod penetrates through the outside of the fixing seat, and one end of the connecting rod is in threaded connection with the surface of the fixing seat through a bolt.

Preferably, the bottom of sliding plate detachably is provided with the mounting panel, the bottom of mounting panel detachably is provided with the weight.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the calibration tool for the tension metering device, when tension is required to be tested according to the use requirement, the connecting plate is connected with the tension meter through the pull ring, the two screw rods are rotated together to drive the sliding plate to move downwards through the two screw rod sleeves after the connecting plate is connected with the screw rod sleeves, the position of the sliding plate can be visually known through the positioning rod, and the standard tension at different positions is different, so that the connection of the connecting plate with the screw rod sleeves is quickly adjusted and visually observed according to the use requirement, when the thrust is required to be tested, the connecting plate is disconnected with the screw rod sleeves, the electric telescopic rod is installed to enable the connecting plate to be connected with the sliding plate, the sliding plate is driven to be in contact with the sensing part of the tension meter through the extension of the electric telescopic rod, the generated thrust can be quickly judged according to the power output of the electric telescopic rod, different detection requirements are met, an operator does not need to continuously replace weights, the corresponding adjustment is automatically completed, the display is more visual, and the use effect is better.

Drawings

FIG. 1 is a schematic elevational cross-section of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of the weight, test case and slide plate structure of the present utility model;

FIG. 3 is a schematic view of the structure of the positioning rod, scale and through slot of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 5 is a schematic top view of the slide plate, connection block and threaded hole configuration of the present utility model.

In the figure: 1. a base; 2. a test box; 3. a connecting plate; 4. a sliding plate; 5. a screw rod; 6. a screw rod sleeve; 7. a pull ring; 8. a positioning rod; 9. a fixing seat; 10. a clamping plate; 11. an elastic member; 12. a connecting rod; 13. a limit bolt; 14. a graduated scale; 15. an electric telescopic rod; 16. a weight; 17. a through groove; 18. a mounting plate; 19. a motor; 20. a belt pulley; 21. a connecting block; 22. a threaded hole; 23. and positioning bolts.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a calibration tool for tension meter utensil, includes base 1 and locates test box 2 on the base 1, locates the sliding plate 4 of test box 2 inner chamber, and two connecting plates 3 of locating the sliding plate 4 both ends respectively locate the pull ring 7 that sliding plate 4 top and tension meter are connected.

The model of the tensiometer does not do not make specific limitation, it includes spring dynamometer and digital display tensiometer etc. according to the corresponding pull meter of suitable model of specific demand to and suitable test mode, the bottom of test box 2 and the top fixed connection of base 1, the surface and the interior wall sliding connection of test box 2 of sliding plate 4, the leading flank of test box 2 is uncovered, two connecting plates 3 respectively with the both ends fixed connection of sliding plate 4, the bottom of pull ring 7 and the top fixed connection of sliding plate 4 simultaneously, pull ring 7 is used for dismantling with the tensiometer and is connected.

Locate locating lever 8 on sliding plate 4 surface, and the outer end of locating lever 8 runs through to the surface of test box 2, offer in with test box 2 surface supply locating lever 8 gliding run through groove 17, locate the scale 14 that test box 2 surface was used for deriving sliding plate 4 position, electric telescopic handle 15 of detachably locating test box 2 inner chamber bottom, and electric telescopic handle 15's top and sliding plate 4 bottom detachable be connected.

The locating lever 8 is equipped with a plurality of, locating lever 8 locates the front side and the rear side at slide plate 4 both ends respectively, and the outer end of locating lever 8 runs through to the surface of test box 2, and then make things convenient for operating personnel to reachs the place high position of slide plate 4 fast through exposing at the outside outer end of test box 2, it is simple directly perceivable, two have been seted up altogether to run through groove 17, two run through groove 17 set up respectively at the both ends on test box 2 surface, jerny guarantees the gliding demand of locating lever 8 along vertical direction that is located slide plate 4 both ends, the setting of scale 14 is used for knowing the place height of slide plate 4 fast, and then obtain the pulling force numerical value fast according to place high.

In addition, when the thrust or pressure value is required to be measured, the electric telescopic rod 15 is installed at the bottom of the inner cavity of the test box 2, the sliding plate 4 is firstly moved downwards to a proper position, the sliding plate 4 is conveniently connected with the top end of the electric telescopic rod 15, the top end of the electric telescopic rod is connected with the top of the sliding plate 4, the electric telescopic rod is stretched through electric control, and the electric telescopic rod is contacted with the sensor to quickly obtain whether the corresponding thrust is accurately displayed according to the stretching and the output power.

Locate the actuating mechanism that base 1 inner chamber is used for driving slide plate 4 along vertical direction motion, actuating mechanism is including locating the lead screw 5 of base 1 inner chamber, and the top of lead screw 5 runs through the top of testing box 2 inner chamber and rotates with the top of testing box 2 internal face to be connected, locates the surface of lead screw 5 and be located the lead screw cover 6 of testing box 2 inner chamber, and lead screw cover 6 passes through the bolt and can dismantle with connecting plate 3 and be connected.

The surface of lead screw 5 is provided with the screw thread, and lead screw cover 6 is located between two locating levers 8 of same end and then guarantees the demand of the motion of vertical direction of sliding plate 4, and the top of lead screw 5 is rotated through the bearing and is connected, and test box 2 and base 1 are provided with the bearing by the penetration department that lead screw 5 runs through simultaneously, and then guarantees lead screw 5 pivoted stability, and the surface sliding connection of lead screw cover 6 and test box 2 guarantees the gliding stability of lead screw cover 6 simultaneously, and lead screw cover 6 is connected with connecting plate 3 through the bolt according to specific user demand, for example when carrying out thrust test, need guarantee connecting plate 3 and lead screw cover 6 cancel connection, and then guarantee can not influence the normal use of lead screw cover 6 and lead screw 5.

Preferably, two screw rods 5 are arranged at the bottom of the inner wall surface of the base 1 in a vertical mode, the two screw rods 5 are rotatably arranged at the bottom of the inner wall surface of the base 1, the top ends of the two screw rods 5 penetrate through the inner cavity of the test box 2 and are rotatably connected with the top of the inner wall surface of the test box 2, belt pulleys 20 are arranged on the surfaces of the two screw rods 5 and located in the inner cavity of the base 1, the two belt pulleys 20 are connected through belt transmission, and a motor 19 for driving the screw rods 5 to rotate is arranged in the inner cavity of the base 1.

The two lead screws 5 are connected with the belt through the transmission of the two belt pulleys 20, so that when the lead screws 5 fixedly connected with the output ends of the two lead screws are driven to rotate through the motor 19, the other lead screw 5 is driven to synchronously rotate through the belt and the two belt pulleys 20, and further, the two lead screw sleeves 6 are ensured to drive the sliding plate 4 to move upwards or downwards to a proper position, and the two belt pulleys 20 and the belt are both positioned in the inner cavity of the base 1.

Preferably, the surface of the pull ring 7 is provided with a connecting block 21, a positioning bolt 23 is arranged on the surface of the connecting block 21 in a threaded connection penetrating way, and a plurality of threaded holes 22 are uniformly formed in the surface of the sliding plate 4 along the horizontal direction.

The connecting block 21 is arranged on the surface of the pull ring 7 and is positioned on the outer side surface or the rear side surface of the pull ring 7, the front side surface and the rear side surface of the top of the sliding plate 4 are correspondingly provided with the threaded holes 22 along the horizontal direction, and the positioning bolts 23 vertically penetrate through in a threaded connection manner and are in threaded connection with the inner wall surfaces of the threaded holes 22 at corresponding positions, so that the connecting block 21 is prevented from being contacted with the tension meter when the tension meter is detached.

Preferably, both ends at the top of the test box 2 are provided with limiting mechanisms for fixing the tension meter, each limiting mechanism comprises a fixed seat 9 fixedly connected to one end at the top of the test box 2, a clamping plate 10 arranged at the top of the test box 2, and an elastic piece 11 is arranged between the clamping plate 10 and the fixed seat 9.

The through hole for installing the tension meter is formed in the top of the test box 2, two limiting mechanisms are arranged at two ends of the top of the test box 2, and the through hole is located between the two limiting mechanisms, so that contact fixation with the tension meter is guaranteed.

The clamping plate 10 is provided with the friction layer towards one side surface of tensiometer, increases the frictional force with the tensiometer, avoids the landing of tensiometer when primary location, and the bottom of clamping plate 10 and the top sliding connection of test box 2 simultaneously can preliminary adaptation location not unidimensional tensiometer.

Preferably, the clamping plate 10 is fixedly connected with a connecting rod 12 transversely towards one side of the fixed seat 9, one end of the connecting rod 12 penetrates through the outside of the fixed seat 9, and one end of the connecting rod 12 is in threaded connection with the surface of the fixed seat 9 through a bolt.

The stability of clamping plate 10 along the horizontal direction motion is guaranteed through connecting rod 12, connecting rod 12 is adjusted along the horizontal direction correspondence according to the motion of clamping plate 10, when preliminary location to the tensiometer through the cooperation of elastic component 11 and clamping plate 10, make clamping plate 10 and tensiometer contact support tightly the back through promoting connecting rod 12, rotate the bolt and make its surface threaded connection with fixing base 9, fix clamping plate 10's position when fixing connecting rod 12, the screw thread groove of certain degree of depth has been seted up to the surface of fixing base 9 inwards sunken, the inner wall face of screw thread groove and the surface thread looks adaptation of spacing bolt 13, the degree of depth ensures the connection demand of adaptation when clamping plate 10 different positions, the length of spacing bolt 13 does not do the specific limit again, can change spacing bolt 13 of different specifications according to actual demand.

Preferably, the bottom of the sliding plate 4 is detachably provided with a mounting plate 18, and the bottom end of the mounting plate 18 is detachably provided with a weight 16.

If the product needs to be displayed or re-detected through the weight 16, the installation plate 18 can be positioned at the bottom of the sliding plate 4, the weight 16 can be used for replacing weights with different specifications according to different use requirements, and the connection plate 3 and the screw rod sleeve 6 need to be ensured to be separated from contact during use, so that the installation is canceled.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, when the tensile force is required to be tested according to the use requirement, the connecting plate 3 is connected with the tension meter through the pull ring 7, the lead screw 5 is driven to rotate through the motor 19 after the connecting plate 3 is connected with the lead screw sleeve 6, the two lead screws 5 are synchronously rotated forwards through the transmission of the two belt pulleys 20 and the belt, the two lead screw sleeves 6 synchronously move downwards to drive the sliding plate 4 to move downwards, the positions of the sliding plate 4 can be intuitively known through the positioning rod 8, the standard tensile force at different positions is different, therefore, the connection between the connecting plate 3 and the lead screw sleeve 6 is eliminated according to the use requirement, and after the electric telescopic rod 15 is installed to be connected with the sliding plate 4, the sliding plate 4 is driven to contact with the sensing part of the tension meter through the extension of the electric telescopic rod 15 when the received thrust force is required to be detected, and the generated thrust force can be quickly judged according to the power output of the electric telescopic rod 15.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides a calibration tool for pulling force measurement utensil, includes base (1) and locates test box (2) on base (1), its characterized in that: the two connecting plates (3) are respectively arranged at two ends of the sliding plate (4), and pull rings (7) are arranged at the top of the sliding plate (4) and connected with the tension meter;

the positioning rod (8) is arranged on the surface of the sliding plate (4), the outer end of the positioning rod (8) penetrates through the surface of the test box (2), a penetrating groove (17) which is arranged on the surface of the test box (2) and used for sliding the positioning rod (8) is formed, a graduated scale (14) which is arranged on the surface of the test box (2) and used for obtaining the position of the sliding plate (4) is arranged on the surface of the test box (2), an electric telescopic rod (15) is detachably arranged at the bottom of the inner cavity of the test box (2), and the top end of the electric telescopic rod (15) is detachably connected with the bottom of the sliding plate (4);

locate base (1) inner chamber is used for the drive slide plate (4) along the actuating mechanism of vertical direction motion, actuating mechanism is including locating lead screw (5) of base (1) inner chamber, the top of lead screw (5) run through to the top of test box (2) inner chamber just with the top of test box (2) internal face rotates to be connected, locates the surface of lead screw (5) just is located lead screw cover (6) of test box (2) inner chamber, lead screw cover (6) pass through the bolt with connection can be dismantled in connecting plate (3).

2. A calibration tool for a tension meter as recited in claim 1, wherein: the utility model discloses a test box, including base (1) and lead screw (5), lead screw (5) are provided with two altogether, two lead screw (5) rotationally vertical set up in the bottom of base (1) internal face, two the top of lead screw (5) all runs through to test box (2) inner chamber and with the top of test box (2) internal face rotates to be connected, two the surface of lead screw (5) just is located base (1) inner chamber all is provided with belt pulley (20), two connect through belt transmission between belt pulley (20), the inner chamber of base (1) is provided with one drive lead screw (5) pivoted motor (19).

3. A calibration tool for a tension meter as recited in claim 2, wherein: the surface of pull ring (7) is provided with connecting block (21), the surface threaded connection ground of connecting block (21) runs through and is provided with positioning bolt (23), a plurality of screw holes (22) have evenly been seted up along the horizontal direction to a plurality of on sliding plate (4) surface.

4. A calibration tool for a tension meter as recited in claim 1, wherein: the utility model discloses a tension meter, including test box (2), test box (2) both ends at top all are provided with the stop gear who is used for fixed tension meter, stop gear including fixed connection in fixing base (9) at test box (2) top one end locate grip block (10) at test box (2) top, grip block (10) with be provided with elastic component (11) between fixing base (9).

5. A calibration tool for a tension meter as recited in claim 4, wherein: the clamping plate (10) is transversely fixedly connected with a connecting rod (12) towards one side of the fixed seat (9), one end of the connecting rod (12) penetrates through the outside of the fixed seat (9), and one end of the connecting rod (12) is in threaded connection with the surface of the fixed seat (9) through a bolt.

6. A calibration tool for a tension meter as recited in claim 4, wherein: the bottom of sliding plate (4) detachably is provided with mounting panel (18), the bottom of mounting panel (18) detachably is provided with weight (16).