CN216746567U

CN216746567U - Horizontal tension calibrating device of static anti-skid performance testing machine for shoes

Info

Publication number: CN216746567U
Application number: CN202122683613.8U
Authority: CN
Inventors: 蔡开城; 马兴; 薛金; 郭贵勇; 钟金德
Original assignee: Fujian Metrology Institute
Current assignee: Fujian Metrology Institute
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-06-14
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a horizontal tension calibration device of a static anti-skid performance testing machine for shoes, which belongs to the technical field of static anti-skid performance testing machines for soles, and comprises a clamping base which is of a hollow flat-plate-shaped frame structure, wherein a stretching frame is fixed in one side, a clamping plate is arranged on the other side opposite to the stretching frame, the stretching frame and the clamping plate can be clamped on two sides of a testing machine body in an adjustable manner, the horizontal tension calibration device is suitable for testing machine bodies with different types and lengths and sizes by adjusting the length of a locking screw of the clamping plate, and the height of a force sensor can be adjusted at the same time, so that the tension of the testing machine body and the tension of the force sensor are on the same horizontal straight line, the tension is more accurate, the device is used in a horizontal state when measuring force, the environment is closer to an actual use state, and the measurement data of the testing machine body in such a state are more accurate.

Description

Horizontal tension calibrating device of static anti-skid performance testing machine for shoes

Technical Field

The utility model relates to the technical field of sole static anti-skid performance testing machines, in particular to a horizontal tension calibration device of a shoe static anti-skid performance testing machine.

Background

The static anti-skid performance testing machine for the shoes mainly comprises a control panel tension controller, a pulling rod, a sample clamp, a friction panel and a base. During testing, a specified sample is horizontally placed on a friction panel required by a standard, the surface to be tested of the sample faces downwards, a certain load is applied, the sample is pulled at a certain speed by a horizontal pulling method, the maximum pulling force is measured, and the static friction coefficient is calculated to measure the static anti-skid performance of the sample.

The static anti-skid performance tester for the shoes is an important testing device which is already popularized and used for producing and detecting the shoes, and is mainly used for testing the static anti-skid performance of the bottoms of the shoes. The actual condition of the human body shoe wearing state needs to be simulated in the test, and the shoe sole anti-skid performance of the shoe in the horizontal state needs to be ensured during the test.

The horizontal tension is the main technical parameter of the static anti-skid performance testing machine for the shoes, and the accuracy of the horizontal tension directly influences the physical performance of the shoe materials, so that the quality of the shoes, the user experience and the enterprise benefit are influenced. In order to ensure the accuracy of the horizontal tension of the static anti-skid performance testing machine for the shoes, the horizontal tension of the static anti-skid performance testing machine for the shoes needs to be measured and calibrated frequently.

The method for measuring the horizontal tension of the existing static anti-skid performance testing machine for the shoes comprises the following steps: the first method is as follows: the horizontal tension force measuring sensor on the testing machine, the tension controller of the testing machine and the display instrument are detached from the testing machine and are sent to a metering technical mechanism to be measured through a force standard machine, the measurement state is a vertical state, only parts of a force measuring part on the testing machine are measured, whether the force measurement is accurate or not is carried out in the vertical state, and the state does not accord with the actual measurement environment of the testing machine;

the second method is as follows: the whole testing machine is adjusted from a horizontal state to a vertical state, is connected with a pull rod of the testing machine through a lifting hook, and is hung with weights with standard weights of different force values for measurement, or the weights are replaced by another tension testing device for measurement;

the existing force measuring device cannot measure force horizontally due to a standard hanging mode, almost all measuring devices are vertical, a real testing machine measuring environment is difficult to simulate, the factors can cause inaccurate measurement, and potential safety hazards exist when a tension controller of the testing machine needs to be disassembled.

Based on the above, the utility model designs a horizontal tension calibration device of a static anti-skid performance testing machine for shoes, so as to solve the above problems.

Disclosure of Invention

The utility model aims to provide a horizontal tension calibration device of a static anti-skid performance testing machine for shoes, which can be suitable for testing machine bodies with different types, lengths and sizes by adjusting the length of a locking screw of a clamping plate, can be locked, and can also adjust the height of a force transducer, so that the tension of the testing machine and the tension of the force transducer are on the same horizontal straight line, the tension is more accurate, the device is used for measuring the force in a horizontal state, the environment is closer to an actual use state, and the measurement data of the testing machine in the state is more accurate.

The utility model is realized by the following steps: a horizontal tension calibrating device of a static anti-skid property testing machine for shoes comprises:

the clamping base is of a flat frame structure with a hollow interior, a stretching frame is fixed in one side of the clamping base, a clamping plate is arranged on the other side opposite to the stretching frame, and the stretching frame and the clamping plate can be clamped on two sides of the test machine body in an adjustable mode;

the adjusting block is of a block-shaped structure and can be horizontally far away from or close to the top of the stretching frame in a sliding mode and locked;

the force measuring sensor is a tension measuring sensor in the horizontal direction, can be locked on the adjusting block in a height-adjustable mode through a bolt, and is horizontally connected with a tension rod between the tension measuring sensor and a tension controller of the test machine body;

the force measuring sensor is also in data connection with the display instrument;

and the force-bearing lines of the force-measuring sensor, the tension rod and the force-measuring sensor are on the same horizontal straight line.

Furthermore, a tension adjusting rod is horizontally arranged on the stretching frame, the tension adjusting rod is a threaded long rod, and the tension adjusting rod is positioned on a transverse central axis of the stretching frame;

the two ends of the tension adjusting rod are horizontally erected on the stretching frame through bearings in a rotatable mode, and the rotating axis of the tension adjusting rod is overlapped with the axis of the stretching frame.

Furthermore, a tension screw hole is horizontally formed in the bottom of the adjusting block, the adjusting block is horizontally arranged on the clamping base in a sliding mode without rotating, the tension adjusting rod can be rotatably arranged in the tension screw hole through threads, the adjusting block is sleeved on the tension adjusting rod through the tension screw hole and moves horizontally, and the tension adjusting rod and the tension rod are parallel to each other in the same vertical plane.

Furthermore, a height adjusting groove is vertically formed in the adjusting block, the height adjusting groove is a waist-shaped hole, and the height adjusting groove transversely penetrates through the adjusting block;

and a locking rod is arranged at one end of the force measuring sensor and locked in the height adjusting groove through a bolt.

Further, the clamping plate is locked on the clamping base through a bolt;

the stretching frame, the test machine body and the bottom of the clamping base are flush.

Furthermore, the outer end of the tension adjusting rod is also provided with a handle, the handle is arranged outside the clamping base, and the handle and the tension adjusting rod can be connected and rotate synchronously through a hexagon bolt in a separable mode.

Further, the tension rod is a stainless steel straight rod.

The utility model has the beneficial effects that: 1. according to the device, the measuring sensor and the tension controller of the test machine body are adjusted on the same horizontal straight line, so that the pulling force of the device is also on the same horizontal straight line, the device can simulate the real test environment of the test machine body, and the measured data is more in line with the actual working environment, so that the measured calibration data of the device on the test machine body is more accurate;

2. when the device pulls the tension rod, the horizontal transverse adjustment is carried out on the adjusting block through the rotation of the tension adjusting rod, the adjusting force is more uniform, and the situation that the adjusting block is suddenly enlarged or reduced is avoided;

3. the device adjusts the distance between the clamping plate and the clamping base, can be suitable for more test machines with different sizes, and can stably clamp the test machines to ensure the accuracy of measured data.

Drawings

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the test body of the present invention removed;

FIG. 3 is a schematic view of the assembly of the conditioning block and the load cell of the present invention;

FIG. 4 is a schematic view of a load cell according to the present invention;

FIG. 5 is a schematic view of a base structure for clamping the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-test machine body, 11-tension controller, 2-adjusting block, 21-height adjusting groove, 22-tension screw hole, 3-force measuring sensor, 31-locking rod, 32-tension rod, 33-display instrument, 4-clamping base, 41-stretching frame, 42-tension adjusting rod, 43-clamping plate and 44-handle.

Detailed Description

Referring to fig. 1 to 5, the present invention provides a technical solution: a horizontal tension calibrating device of a static anti-skid property testing machine for shoes comprises:

the clamping base 4 is a flat frame structure with a hollow interior, a stretching frame 41 is fixed inside one side, a clamping plate 43 is arranged on the other side opposite to the stretching frame 41, and the stretching frame 41 and the clamping plate 43 can be clamped on two sides of the test machine body 1 in an adjustable manner;

the adjusting block 2 is of a block-shaped structure and can be horizontally far away from or close to the top of the stretching frame 41 in a sliding mode and locked;

the force measuring sensor 3 is a tension measuring sensor in the horizontal direction, can be locked on the adjusting block 2 in a height-adjustable mode through a bolt, and is horizontally connected with a tension rod 32 between the force measuring sensor and the tension controller 11 of the test machine body 1;

the force sensor 3 is also in data connection with a display instrument 33;

force cell sensor 3, tension bar 32 and force cell sensor 3's stress line are on same horizontal straight line, can be through the locking screw length of adjusting clamp plate 43, be suitable for different model length dimension's experimental organism 1, can also adjust force cell sensor 3's height simultaneously, make the pulling force of experimental organism 1 and force cell sensor 3's pulling force be in on same horizontal straight line, the pulling force is more accurate, go on under the horizontality during this device dynamometry, the environment is truer, the measured data to experimental organism 1 is more accurate under this state.

Wherein, a tension adjusting rod 42 is horizontally arranged on the stretching frame 41, the tension adjusting rod 42 is a threaded long rod, and the tension adjusting rod 42 is positioned on the transverse central axis of the stretching frame 41;

two ends of the tension adjusting rod 42 are horizontally erected on the stretching frame 41 through bearings in a rotatable manner, and the rotating axis of the tension adjusting rod 42 is overlapped with the axis of the stretching frame 41, so that the measurement precision is ensured;

the bottom of the adjusting block 2 is horizontally provided with a tension screw hole 22, the adjusting block 2 is horizontally arranged on the clamping base 4 in a sliding manner without rotating, the tension adjusting rod 42 can be rotatably arranged in the tension screw hole 22 through threads, the adjusting block 2 is sleeved on the tension adjusting rod 42 through the tension screw hole 22 and moves horizontally, the tension adjusting rod 42 and the tension rod 32 are parallel to each other in the same vertical plane, so that the horizontal transverse adjustment of the adjusting block 2 is facilitated, the tension is adjusted, the device can generate stable horizontal tension in the horizontal direction, and the device can be horizontally placed for testing;

a height adjusting groove 21 is vertically formed in the adjusting block 2, the height adjusting groove 21 is a waist-shaped hole, and the height adjusting groove 21 transversely penetrates through the adjusting block 2;

the locking rod 31 is arranged at one end of the force sensor 3, the locking rod 31 is locked in the height adjusting groove 21 through a bolt, and the height of the force sensor 3 can be conveniently adjusted, so that the device can ensure that the tension is on the same horizontal straight line, and the tension measuring precision is improved;

the clamping plate 43 is locked on the clamping base 4 through bolts;

the stretching frame 41, the test machine body 1 and the clamping base 4 are flush with each other at the bottom, so that stable clamping is ensured, and the measured data is more accurate;

the handle 44 is arranged at the outer end of the tension adjusting rod 42, the handle 44 is arranged outside the clamping base 4, the handle 44 and the tension adjusting rod 42 can be separately connected and synchronously rotated through a hexagon bolt, so that the handle 44 can conveniently twist the tension adjusting rod 42, the handle 44 can be conveniently detached even on a plane which is inconvenient to adjust, the angle can be changed and the adjustment is carried out again, and the clamping device is more labor-saving and convenient to use;

the tension rod 32 is a stainless steel straight rod, has no ductility, is more direct in tension measurement, and avoids pulling to ensure accurate data.

In one embodiment of the utility model:

the embodiment of the utility model provides a horizontal tension calibration device of a static anti-skid performance testing machine for shoes, and the technical problem solved by the utility model is as follows: 1. at present, the test and the verification of the measurement data of the static anti-skid performance testing machine for the shoes generally adopt the steps of removing the tension controller 11 and a display device matched with the tension controller, and sending the test by a tension sensor of the testing machine body 1, wherein the tension controller 11 is pulled vertically during the measurement, so that the measured data is in a vertical state and cannot simulate a real environment; 2. the other method is to vertically hoist the whole test machine body 1 for measurement, so that the measured data and the measurement result after disassembly are vertically measured and are not accurate enough, and the measured data is more real but is more influenced by the test machine body 1 when the whole machine is used for measurement; 3. the existing force measuring device needs to hoist the pulling force, and the mode of installation and pulling rod can not keep the pulling force on the same straight line, so that the horizontal force measurement can not be carried out, almost all measuring devices are vertical, the pulling force can be ensured on the same straight line only through the mode of natural gravity, the real measuring environment of the testing machine can not be simulated, the factors can cause inaccurate measurement, and when the pulling force controller of the testing machine needs to be disassembled, the potential safety hazard is also caused.

The realized technical effects are as follows: 1. according to the utility model, the force sensor 3 and the tension controller 11 of the testing machine body 1 are adjusted on the same horizontal straight line, so that the pulling force of the device is also on the same horizontal straight line, therefore, the device can simulate the real testing environment when the testing machine body 1 tests the anti-skid property of the sole, the measured data is more in line with the actual working environment, and the measured and calibrated data of the device on the testing machine body 1 is more accurate;

2. when the tension rod 32 is pulled, the tension adjusting rod 42 rotates to horizontally and transversely adjust the adjusting block 2, the adjusting force is more uniform, and the situation that the adjusting block is suddenly enlarged or reduced is avoided, and in the measuring process of the device, the adjusting block 2 can stably keep the pre-tightening tension unchanged, so that the horizontal tension of the test machine body 1 can be measured more stably;

3. this device adjusts through the clamp plate 43 and the interval that presss from both sides between the dress base 4, can both press from both sides the test organism 1 of more different size models tightly to the centre gripping is stable, ensures that measured data is accurate.

In order to solve the above problems, the technical solution in the embodiments of the present invention has the following general idea:

for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

In the manufacturing process, a shoe static anti-skid performance testing machine is used, the shoe static anti-skid performance testing machine comprises a testing machine body 1, a tension controller 11 and other devices commonly used by the shoe static anti-skid performance testing machine, the embodiment is not described because the device belongs to a device commonly used in the field, and the testing and calibration of the shoe static anti-skid performance testing machine mainly comprises the step of testing and calibrating the force measuring accuracy of the tension controller 11; the static anti-skid performance testing machine for the shoes is also connected with a tension rod 32, the tension rod is a tension rod for originally pulling the shoes by the testing machine body 1, and the tension rod for measuring the tension of the soles is made of steel to ensure that the soles have no ductility and elasticity;

firstly, a clamping base 4 is manufactured, the clamping base 4 is of a rectangular frame structure and needs to be firm and not elastic, therefore, a stainless steel plate needs to be selected to be made into a closed firm structure, the left side of the clamping base 4 is a clamping plate 43 which can be adjusted and locked through bolts, the clamping plate 43 is locked on the left side of the clamping base 4 through bolts with different lengths, the different spacing distances between the clamping plate 43 and the stretching frame 41 can be kept, and the test machine bodies 1 with different lengths can be locked;

then a stretching frame 41 is fixedly installed and locked on the inner side of a right frame of the clamping base 4, the horizontal transverse axis of the stretching frame 41 is coincident with the horizontal transverse axis of the clamping base 4, then a tension adjusting rod 42 is installed on the horizontal transverse central axis of the stretching frame 41, the tension adjusting rod 42 is a screw rod, two ends of the tension adjusting rod 42 are horizontally installed on the stretching frame 41 through bearings in a rotatable mode, the stretching frame 41, the clamping base 4 and the tension adjusting rod 42 are horizontally and transversely arranged, the rotating axis of the tension adjusting rod 42 is the horizontal transverse central axis of the stretching frame 41, the right end of the tension adjusting rod 42 extends out of the whole clamping base 4, a handle 44 is installed at the right end of the tension adjusting rod 42 outside the clamping base 4, the handle 44 rotates the tension adjusting rod 42 through a hexagon bolt, and the handle is only sleeved on the tension adjusting rod 42, the adjustment and the removal are convenient, the force application is convenient to adjust on the plane, and the structures of the handle 44 and the tension adjusting rod 42 are the same as the adjustment mode of the wrench and the screw;

then, an adjusting block 2 is manufactured, the adjusting block 2 is a vertical flat plate, a height adjusting groove 21 is vertically formed in the adjusting block 2, the height adjusting groove 21 horizontally penetrates through the adjusting block 2, the through hole of the height adjusting groove 21 in the adjusting block 2 is in a waist-shaped hole, a tension screw hole 22 is formed in the bottom of the adjusting block 2, the adjusting block 2 is locked on a tension adjusting rod 42 through the tension screw hole 22, and the adjusting block 2 can move along the thread of the tension adjusting rod 42 through the forward and reverse rotation of the tension adjusting rod 42.

Then, a force measuring sensor 3 is taken, the force measuring sensor 3 is a common device and can be purchased, then a locking rod 31 is fixed on the force measuring sensor 3, the locking rod 31 is a bolt, the locking rod 31 is inserted into the height adjusting groove 21 and is locked on the adjusting block 2 by a nut, and therefore, the height of the force measuring sensor 3 can be adjusted up and down in the height adjusting groove 21;

the force measuring sensor 3 is used for acquiring data, a display instrument 33 is arranged outside the force measuring sensor 3 through a lead, an electric signal transmitted back after being pulled by the force measuring sensor 3 is filtered, eliminated and amplified, the electric signal is converted into a digital signal and is output to a display interface of the display instrument, and the force measuring sensor 3 and the display instrument 33 belong to commonly used force measuring devices.

Force cell sensor 3 needs horizontal installation, a dynamics test for the horizontal direction, then with the tension bar 32 install on force cell sensor 3 can, when tension bar 32 conducts the pulling force to tension controller 11, just can test whether the measurement of the static anti-skidding performance testing machine of shoes is accurate through the force value comparison of force cell sensor 3 and tension controller 11, and can carry out accurate digital display through tension controller 11's display screen and the external display instrument 33 of force cell sensor 3, from can be accurate compare.

When the utility model is used, the following steps are needed:

step 1, horizontally placing the bottom of a test machine body 1 in a frame range provided with a base 4, and enabling the right side of the bottom of the test machine body 1 to be abutted against the left side of a stretching frame 41;

step 2, attaching the clamping plate 43 to the left side of the test machine body 1, selecting a bolt with a proper length, installing the clamping plate 43 on the left side of the clamping base 4, ensuring that the clamping plate 43 and the stretching frame 41 stably clamp the test machine body 1, and at the moment, overlapping the projection of the tension adjusting rod 42 and the tension rod 32 of the test machine body 1 on the horizontal plane, ensuring that the tension rod 32 and the tension adjusting rod 42 are parallel to each other and the axes are in the same vertical plane;

step 3, adjusting the height of the force measuring sensor 3 on the height adjusting groove 21 of the adjusting block 2 to ensure that the force measuring sensor 3 and the pulling part of the tension controller 11 are on the same horizontal plane, then locking the force measuring sensor 3 on the adjusting block 2, and connecting the tension rod 32 between the force measuring sensor 3 and the tension controller 11 to ensure that the tension of the tension rod 32, the force measuring sensor 3 and the tension controller 11 are on the same horizontal straight line;

step 4, slowly rotating the handle 44, wherein the handle 44 drives the tension adjusting rod 42 to rotate, and the tension adjusting rod 42 and the tension screw hole 22 rotate relatively, so that the adjusting block 2 cannot rotate on the stretching frame 41, and the adjusting block 2 is stressed on the tension adjusting rod 42 to displace;

step 5, the movement of the adjusting block 2 drives the force measuring sensor 3, the force measuring sensor 3 loads the tension on the tension rod 32, and the tension rod 32 pulls the tension controller 11;

step 6, the force measuring sensor 3 and the tension controller 11 are mutually pulled to receive an interaction force, and according to a Newton third motion law, the directions of the tension forces applied to the force measuring sensor 3 and the tension controller 11 are opposite and the same;

and 7, reading the stress of the force sensor 3 through the display instrument 33, reading the stress of the tension controller 11 through the tension display device of the test machine body 1, and comparing the two values to evaluate the accuracy of the tested static anti-skid performance test machine body 1 of the shoes.

So this device is with the static anti-skid property testing machine of shoes, the tensile test of actual antiskid of experimental organism 1 under horizontal operational environment has been simulated, the test condition is more accurate, and the influence that the change of having avoided gravity along the pulling force direction produced, the test is laminating reality more, the tensile pole 32 is just dragged to the test of the static anti-skid property testing machine of shoes under the actual conditions, drag shoes, the test of this device need not tear the machine, also need hoisting equipment, it is more accurate to measure.

Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.

Claims

1. The utility model provides a static anti-skid property testing machine's of shoes horizontal tension calibrating device which characterized in that includes:

the clamping base (4) is of a hollow flat frame structure, a stretching frame (41) is fixed inside one side, a clamping plate (43) is arranged on the other side opposite to the stretching frame (41), and the stretching frame (41) and the clamping plate (43) can be clamped on two sides of the test machine body (1) in an adjustable mode;

the adjusting block (2) is of a block-shaped structure and can be horizontally far away from or close to and is locked at the top of the stretching frame (41) in a sliding manner;

the force measuring sensor (3) is a tension measuring sensor in the horizontal direction, can be locked on the adjusting block (2) in a height-adjustable mode through a bolt, and is horizontally connected with a tension rod (32) between the force measuring sensor and a tension controller (11) of the test machine body (1);

the force measuring sensor (3) is also in data connection with a display instrument (33);

and stress lines of the force measuring sensor (3), the tension rod (32) and the force measuring sensor (3) are on the same horizontal straight line.

2. The horizontal tension calibration device of the static anti-skid performance tester for the shoes according to claim 1, characterized in that: a tension adjusting rod (42) is further horizontally arranged on the stretching frame (41), the tension adjusting rod (42) is a threaded long rod, and the tension adjusting rod (42) is positioned on the transverse central axis of the stretching frame (41);

the two ends of the tension adjusting rod (42) are horizontally erected on the stretching frame (41) through bearings in a rotatable mode, and the rotating axis of the tension adjusting rod (42) is overlapped with the axis of the stretching frame (41).

3. The horizontal tension calibration device of the static anti-skid performance tester for the footwear according to claim 2, wherein: the horizontal bottom of the adjusting block (2) is provided with a tension screw hole (22), the adjusting block (2) is horizontally arranged on the clamping base (4) in a sliding mode without rotating, the tension adjusting rod (42) can be rotatably arranged in the tension screw hole (22) through threads, the adjusting block (2) is sleeved on the tension adjusting rod (42) through the tension screw hole (22) to horizontally move, and the tension adjusting rod (42) and the tension rod (32) are parallel to each other in the same vertical plane.

4. The horizontal tension calibration device of the static anti-skid performance tester for the shoes according to claim 1, characterized in that: a height adjusting groove (21) is vertically formed in the adjusting block (2), the height adjusting groove (21) is a waist-shaped hole, and the height adjusting groove (21) transversely penetrates through the adjusting block (2);

one end of the force measuring sensor (3) is provided with a locking rod (31), and the locking rod (31) is locked in the height adjusting groove (21) through a bolt.

5. The horizontal tension calibration device of the static anti-skid performance tester for the shoes according to claim 1, characterized in that: the clamping plate (43) is locked on the clamping base (4) through a bolt;

the stretching frame (41), the test machine body (1) and the clamping base (4) are flush with each other at the bottom.

6. The horizontal tension calibration device of the static anti-skid performance tester for the shoes according to claim 3, characterized in that: the outer end of the tension adjusting rod (42) is further provided with a handle (44), the handle (44) is arranged outside the clamping base (4), and the handle (44) and the tension adjusting rod (42) can be connected with each other in a separated mode through a hexagon bolt to rotate synchronously.

7. The horizontal tension calibrating device for the static anti-skid performance testing machine of the shoes as claimed in claim 1, characterized in that: the tension rod (32) is a stainless steel straight rod.