CN110907083A - Device and method for measuring spring force of spring piece - Google Patents
Device and method for measuring spring force of spring piece Download PDFInfo
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- CN110907083A CN110907083A CN201911329367.7A CN201911329367A CN110907083A CN 110907083 A CN110907083 A CN 110907083A CN 201911329367 A CN201911329367 A CN 201911329367A CN 110907083 A CN110907083 A CN 110907083A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 145
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
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Abstract
The invention discloses a device and a method for measuring spring force of a spring piece, and relates to a spring piece of an automobile brake caliper. The method comprises the following steps: a testing mechanism comprising: the base is provided with: a first track; the test board is arranged on the first track and connected with the first motor; the positioning device is arranged on the test board; the test frame is arranged on two sides of the base, and the top of the test frame is provided with a second rail; the test arm sets up and connects outer second motor on the second track, is equipped with on the test arm: a third track; the base is arranged on the third track and connected with a third motor; the pressure head is arranged on the base; the pressure sensor is arranged on the base and is abutted against the pressure head; the display device is arranged on the top of the measuring device; and the industrial personal computer is arranged at the bottom of the measuring device and is respectively connected with the first motor, the second motor, the third motor, the pressure sensor and the display device. Has the following beneficial effects: batch testing is realized, and the testing accuracy and the testing efficiency are improved.
Description
Technical Field
The invention relates to a spring leaf of an automobile brake caliper, in particular to a device and a method for measuring spring force of the spring leaf.
Background
A vehicle brake caliper is a braking device for a vehicle, generally referred to as a component that generates a force that resists the movement or tendency of the vehicle to move, and functions to provide braking to the vehicle to slow down or stop the vehicle in motion.
The dragging force of the automobile brake calipers of the existing car is usually specified to be not more than 5Nm, when the car speed is 100km/h, the dragging of 5Nm is converted into the dragging power consumption of a single brake to be about 0.5KW, the brake dragging loss of 4 wheels on one car is about 2kW, the power consumption of the ordinary car running at a constant speed of 100km/h is 20kW, the dragging loss in the automobile brake calipers is about 2kW, the dragging loss ratio of the automobile brake calipers reaches 10%, and the effective power sum of the car is greatly reduced. The magnitude of the clamping force of the spring leaf in the automobile brake caliper directly influences the resistance of the friction plate moving in the groove of the caliper in the clamping and releasing processes, so that the accurate measurement of the dragging force and the clamping force of the spring leaf is the premise of controlling the dragging force and the clamping force of a product.
At present, for the detection of the clamping force and the dragging force of the spring piece, manufacturers of various automobile parts mostly use a manual measuring device and a projector or other simple measuring devices, and the measurement process is often poor in result repeatability and reproducibility due to the overlapping error between people and auxiliary tools, so that accurate and consistent force values cannot be obtained. Certain difficulty is brought to the control and subsequent improvement of products, high dragging of the calipers in the actual use process is finally caused, the spring pieces move unsmoothly, and the dragging loss of the whole vehicle is greatly improved.
Disclosure of Invention
In order to solve the above problems, the present invention provides a spring force measuring device for a spring plate, comprising:
a test mechanism provided in the measuring apparatus, the test mechanism including:
the base, be equipped with on the base:
the first rail is horizontally arranged on the base;
the test board is arranged on the first rail and is connected with an external first motor, and the test board slides along the first rail under the driving action of the first motor;
the positioning device is arranged on the test board;
the test frame is arranged on two sides of the base, a second rail is arranged at the top of the test frame, and the second rail is perpendicular to the first rail;
the test arm is arranged on the second track and connected with an external second motor, the test arm slides along the second track under the driving action of the second motor, and the test arm is provided with:
the third tracks are vertically arranged on two sides of the test arm;
the base is arranged on the third track and connected with an external third motor, and the base slides along the third track under the driving action of the third motor;
the pressure head is arranged on the base and extends out towards the direction close to the base;
the pressure sensor is arranged on the base and is abutted against the pressure head;
the display device is arranged on the top of the measuring device;
the industrial computer sets up the measuring device bottom, just the industrial computer is connected respectively first motor the second motor the third motor pressure sensor with display device, in order to drive respectively first motor the second motor with the third motor action, and adopt pressure sensor realizes the measurement of spring leaf spring force, and with measuring result send to display device shows.
Preferably, still include a test piece, the spring leaf passes through the test piece is fixed in on the testboard, the test piece includes:
the groove is arranged on the test block, and the spring piece is clamped on the test block through the groove;
the first positioning hole is formed in the test block, and the arrangement direction of the first positioning hole is perpendicular to a first end face and a second end face of the spring piece;
and the second positioning hole is formed in the test block, and the arrangement direction of the second positioning hole is parallel to the first end surface and the second end surface of the spring piece.
Preferably, the first motor, the second motor and the third motor are step motors respectively.
Preferably, the positioning device comprises:
the first positioning column is arranged on the test board and corresponds to the first positioning hole;
and the positioning block is arranged on the test board and is provided with at least one second positioning column corresponding to the second positioning hole.
Preferably, the indenter is a T-shaped indenter.
Preferably, the test board is provided with a plurality of fixing holes corresponding to the first positioning columns.
Preferably, the device further comprises a safety grating which is arranged on a frame of a window of the measuring device corresponding to the placement position of the testing mechanism, and the safety grating is connected with the industrial personal computer.
Preferably, the device also comprises a warning lamp arranged at the top of the measuring device, and the warning lamp is connected with the industrial personal computer.
A spring leaf spring force measuring method is applied to a spring leaf spring force measuring device, a spring leaf to be tested is mounted on a testing block in advance, the testing block is vertically fixed on a positioning device on a testing table, the spring leaf is provided with a first end face and a second end face, a third end face is arranged between the first end face and the second end face and is perpendicular to the first end face and the second end face respectively, and a testing gap is formed between the first end face and the second end face;
the method for measuring the spring force of the spring piece comprises a clamping force measuring process, and specifically comprises the following steps:
step S1, the measuring device controls the first motor to drive the test platform to move along the first track to the position below the pressure head;
step S2, the measuring device controls the second motor to drive the test arm to move along the second track, and controls the third motor to drive the base to move along the third track, so as to drive the bottom end of the indenter to move into the test gap;
step S3, the measuring device controls the third motor to drive the base to move along the third track so as to drive the pressure head to move towards the first end face, a first pressure value applied by the first end face to the pressure head is collected in real time in the moving process, and the first pressure value is continuously output;
step S4, the measuring device compares the first pressure value with a preset first pressure threshold value:
if the first pressure value is smaller than the first pressure threshold, returning to the step S3;
if the first pressure value is not smaller than the first pressure threshold value, controlling the third motor to stop rotating, and taking the real-time position of the pressure head as the first position reference of the spring piece;
step S5, the measuring device controls the third motor to drive the base to move along the third track, so as to drive the pressing head to move a first preset distance toward the second end face with the first position as a starting point;
step S6, the measuring device measures a second pressure value applied by the second end surface to the pressure head, and the second pressure value is output to the display device to be displayed as the clamping force of the spring piece to be tested;
the method for measuring the spring force of the spring piece also comprises a process of measuring the dragging force, the test block is horizontally fixed on the positioning device on the test bench, and the process of measuring the dragging force comprises the following steps:
step A1, the measuring device controls the first motor to drive the test platform to move along the first track to the position below the pressure head;
step A2, the measuring device controls the second motor to drive the test arm to move along the second track, and controls the third motor to drive the base to move along the third track, so as to drive the bottom end of the pressure head to move above the test block;
step A3, controlling the third motor to drive the base to move along the third track by the measuring device so as to drive the pressure head to move towards the upper surface of the test block, acquiring a third pressure value applied to the pressure head by the upper surface in real time in the moving process, and continuously outputting the third pressure value;
step a4, the measuring device compares the third pressure value with a preset second pressure threshold value:
if the third pressure value is less than the second pressure threshold, returning to the step A3;
if the third pressure value is not smaller than the second pressure threshold value, controlling the third motor to stop rotating, and taking the real-time position of the pressure head as a second position reference of the spring piece;
step A5, the measuring device controls the third motor to drive the base to move along the third track, so as to drive the pressure head to move a second preset distance towards the third end face with the second position reference as a starting point;
and A6, measuring a fourth pressure value applied to the pressure head from the third end by the measuring device, and outputting the fourth pressure value to the display device for displaying as the dragging force of the spring plate to be tested.
Preferably, the first pressure threshold and the second pressure threshold are both 0.5 newtons.
Has the following beneficial effects:
the clamping force and the dragging force of the spring piece of the automobile brake caliper are respectively measured, batch automatic testing is realized, and the testing accuracy and the testing efficiency are improved.
Drawings
FIG. 1 is a schematic view of a spring force measuring device according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1 in accordance with a preferred embodiment of the present invention;
FIG. 3 is an enlarged view of area B of FIG. 1 in accordance with a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a control structure of a spring force measuring device according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of a clamping force testing process according to a preferred embodiment of the present invention;
FIG. 6 is a flow chart illustrating the testing of drag force according to the preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In order to solve the above problems, the present invention provides a spring force measuring device for a spring plate, as shown in fig. 1 to 4, comprising:
the testing mechanism is arranged in the measuring device and comprises:
the first rail 11 is horizontally arranged on the base 1;
the test bench 12 is arranged on the first rail 11, the test bench 12 is connected with an external first motor 91, and the test bench 12 slides along the first rail 11 under the driving action of the first motor 91;
the positioning device is arranged on the test bench 12;
the test jig 2 is arranged on two sides of the base, a second rail 21 is arranged at the top of the test jig, and the second rail 21 is perpendicular to the first rail 11;
the test arm 3 is arranged on the second track 21, the test arm 3 is connected with an external second motor 92, the test arm 3 slides along the second track 21 under the driving action of the second motor 92, and the test arm 3 is provided with:
the base 34 is arranged on the third track 31, the base 34 is connected with an external third motor 93, and the base 34 slides along the third track 31 under the driving action of the third motor 93;
a ram 33 provided on the base 34 and extending toward the base 1;
a pressure sensor 32 provided on the base 34 and abutting against the ram 33;
the display device 5 is arranged on the top of the measuring device;
Specifically, in the embodiment, the measuring device is mainly divided into three large parts, namely a testing mechanism, an industrial personal computer 4 and a display device 5, and the division ensures that no interference exists when each part is used for a long time, the heat dissipation is good and the signal transmission is stable. Preferably, the 4040 aluminum profile with light weight and high strength is selected as the measuring device, sufficient bearing capacity is ensured, the test table 12 is arranged on the first rail 11, the test table 12 is connected with an external first motor 91, the test table 12 is used for placing the test block 6 on the test table 12, the test table 12 slides along the first rail 11 under the driving action of the first motor 91 and drives the test block 6 to move below the pressure head 33 for subsequent spring force test; a second rail perpendicular to the first rail 11 is provided on the test rack 2, the test arm 3 is horizontally slid along the second rail 21 by the driving of a second motor 92, and a third rail 31 is provided on the test arm 3 for the third motor 93 to drive the indenter 33 provided on the base 34 to move in the vertical direction to measure the spring force of the spring plate. Industrial computer 4 sets up in measuring device's bottom for control first motor 91 respectively, the drive ram of second motor 92 and third motor 93 moves in three dimensions, industrial computer 4 still connects pressure sensor 32 and display device 5, pressure head 33 and pressure sensor 32 butt, the pressure sensor 32 with pressure head 33 butt is compressed in step when pressure head 33 atress, thereby detected and measure the pressure value by pressure sensor 32, the pressure value rethread display device 5 presents for the staff.
In a preferred embodiment of the present invention, the testing device further comprises a testing block 6, the spring plate is fixed on the testing platform 12 through the testing block 6, the testing block 6 comprises:
the groove 61 is arranged on the test block 6, and the spring piece is clamped on the test block 6 through the groove 61;
at least one first positioning hole 62, which is arranged on the test block 6, and the arrangement direction of the first positioning hole 62 is vertical to a first end face 71 and a second end face 72 of the spring piece;
at least one second positioning hole 63 is formed in the testing block 6, and the second positioning hole 63 is disposed in a direction parallel to the first end face 71 and the second end face 72 of the spring plate.
Specifically, in the present embodiment, the spring plate is snapped into the groove 61, and the spring plate and the groove snapped into the groove 61 are locked to each other, and the torque generated by the locking can be up to 3 n/m.
In the preferred embodiment of the present invention, the first motor 91, the second motor 92 and the third motor 93 are stepping motors, respectively.
Specifically, in this embodiment, step motor has characteristics such as rotary displacement is controllable, stable performance, and is preferred, uses step motor cooperation precision lead screw simultaneously, and the removal precision can reach 0.001 mm.
In a preferred embodiment of the present invention, the positioning device comprises:
at least one first positioning column disposed on the testing platform 12 and corresponding to the first positioning hole 62;
the positioning block 81 is disposed on the testing platform 12, and the positioning block 12 is provided with at least one second positioning column corresponding to the second positioning hole 63.
Specifically, in the present embodiment, the first positioning column is disposed on the testing platform 12 for being inserted into the first positioning column through the first positioning hole 62 on the testing block 6, so as to vertically fix the testing block 6 on the testing platform 12 for measuring the clamping force of the spring piece.
The second positioning column is disposed on the positioning block 81, and is used for inserting the second positioning hole 63 on the testing block 6 into the second positioning column, so as to horizontally fix the testing block 6 on the testing platform 12, and is used for measuring the dragging force of the spring piece.
In the preferred embodiment of the invention, ram 33 is a T-ram.
In the preferred embodiment of the present invention, the testing platform 12 is provided with a plurality of fixing holes 84 corresponding to the first positioning posts 81.
Specifically, in the present embodiment, the test platform 12 is provided with a plurality of fixing holes 84, and the first positioning posts are fixed in the fixing holes 84.
In a preferred embodiment of the present invention, the present invention further includes a safety grating 85 disposed on a frame of a window of the measuring device corresponding to the placement position of the testing mechanism, and the safety grating 85 is connected to the industrial personal computer 4.
Specifically, in this embodiment, the safety grating 85 is provided, so that the safety of the measuring device is improved, and if a worker enters the working area by mistake in the testing process, the testing is stopped immediately, so that the personal safety of the tester is fully ensured.
In the preferred embodiment of the present invention, the present invention further comprises a warning light 86 disposed on the top of the measuring device, wherein the warning light 86 is connected to the industrial personal computer 4.
A spring leaf spring force measuring method is applied to a spring leaf spring force measuring device, a spring leaf to be tested is mounted on a testing block in advance, the testing block is vertically fixed on a positioning device on a testing table, the spring leaf is provided with a first end face and a second end face, a third end face is arranged between the first end face and the second end face and is respectively vertical to the first end face and the second end face, and a testing gap is formed between the first end face and the second end face;
the method for measuring the spring force of the spring piece comprises a clamping force measuring process, as shown in fig. 5, and specifically comprises the following steps:
step S1, the measuring device controls the first motor to drive the test platform to move to the lower part of the pressure head along the first track;
step S2, the measuring device controls the second motor to drive the test arm to move along the second track and controls the third motor to drive the base to move along the third track so as to drive the bottom end of the pressure head to move into the test gap;
step S3, the measuring device controls a third motor to drive the base to move along a third track so as to drive the pressure head to move towards the first end face, a first pressure value applied to the pressure head by the first end face is collected in real time in the moving process, and the first pressure value is continuously output;
step S4, the measuring device compares the first pressure value with a preset first pressure threshold value:
if the first pressure value is smaller than the first pressure threshold, returning to step S3;
if the first pressure value is not smaller than the first pressure threshold value, controlling the third motor to stop rotating, and taking the real-time position of the pressure head as the first position reference of the spring piece;
step S5, the measuring device controls the third motor to drive the base to move along the third track so as to drive the pressure head to move a first preset distance towards the second end face by taking the first position reference as a starting point;
step S6, the measuring device measures a second pressure value applied to the pressure head by the second end surface, and the second pressure value is output to the display device to be displayed as the clamping force of the spring piece to be tested;
the method for measuring the spring force of the spring piece also comprises a process for measuring the dragging force, and the test block is horizontally fixed on a positioning device on the test bench, as shown in figure 6, the process for measuring the dragging force comprises the following steps:
step A1, controlling a first motor to drive a test table to move to the position below a pressure head along a first track by a measuring device;
step A2, the measuring device controls the second motor to drive the test arm to move along the second track, and controls the third motor to drive the base to move along the third track, so as to drive the bottom end of the pressure head to move above the test block;
step A3, controlling a third motor to drive a base to move along a third rail by a measuring device so as to drive a pressure head to move towards the upper surface of the test block, acquiring a third pressure value applied to the pressure head by the upper surface in real time in the moving process, and continuously outputting the third pressure value;
step a4, the measuring device compares the third pressure value with a preset second pressure threshold value:
if the third pressure value is smaller than the second pressure threshold value, returning to the step A3;
if the third pressure value is not smaller than the second pressure threshold value, controlling a third motor to stop rotating, and taking the real-time position of the pressure head as a second position reference of the spring piece;
step A5, the measuring device controls a third motor to drive the base to move along a third track so as to drive the pressure head to move a second preset distance towards a third end face by taking the second position reference as a starting point;
and step A6, measuring a fourth pressure value applied by the third end surface to the pressure head by the measuring device, and outputting the fourth pressure value to the display device for displaying as the dragging force of the spring piece to be tested.
In a preferred embodiment of the present invention, the first pressure threshold and the second pressure threshold are both 0.5 newtons.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A device for measuring spring force of a spring plate, comprising:
a test mechanism provided in the measuring apparatus, the test mechanism including:
the base, be equipped with on the base:
the first rail is horizontally arranged on the base;
the test board is arranged on the first rail and is connected with an external first motor, and the test board slides along the first rail under the driving action of the first motor;
the positioning device is arranged on the test board;
the test frame is arranged on two sides of the base, a second rail is arranged at the top of the test frame, and the second rail is perpendicular to the first rail;
the test arm is arranged on the second track and connected with an external second motor, the test arm slides along the second track under the driving action of the second motor, and the test arm is provided with:
the third tracks are vertically arranged on two sides of the test arm;
the base is arranged on the third track and connected with an external third motor, and the base slides along the third track under the driving action of the third motor;
the pressure head is arranged on the base and extends out towards the direction close to the base;
the pressure sensor is arranged on the base and is abutted against the pressure head;
the display device is arranged on the top of the measuring device;
the industrial computer sets up the measuring device bottom, just the industrial computer is connected respectively first motor the second motor the third motor pressure sensor with display device, in order to drive respectively first motor the second motor with the third motor action, and adopt pressure sensor realizes the measurement of spring leaf spring force, and with measuring result send to display device shows.
2. The device for measuring spring force of a spring plate according to claim 1, further comprising a test block through which the spring plate is fixed to the test table, the test block comprising:
the groove is arranged on the test block, and the spring piece is clamped on the test block through the groove;
the first positioning hole is formed in the test block, and the arrangement direction of the first positioning hole is perpendicular to a first end face and a second end face of the spring piece;
and the second positioning hole is formed in the test block, and the arrangement direction of the second positioning hole is parallel to the first end surface and the second end surface of the spring piece.
3. The device for measuring spring leaf spring force according to claim 1, wherein the first motor, the second motor and the third motor are step motors, respectively.
4. The leaf spring force measurement device of claim 2, wherein the positioning device comprises:
the first positioning column is arranged on the test board and corresponds to the first positioning hole;
and the positioning block is arranged on the test board and is provided with at least one second positioning column corresponding to the second positioning hole.
5. The leaf spring force measurement device of claim 1, wherein the indenter is a T-shaped indenter.
6. The device for measuring the spring force of a spring plate according to claim 4, wherein the test platform is provided with a plurality of fixing holes corresponding to the first positioning posts.
7. The device for measuring the spring force of the spring piece according to claim 1, further comprising a safety grating arranged on a frame of a window of the measuring device corresponding to the placement position of the testing mechanism, wherein the safety grating is connected with the industrial personal computer.
8. The device for measuring the spring force of the spring plate as claimed in claim 1, further comprising a warning lamp arranged at the top of the measuring device, wherein the warning lamp is connected with the industrial personal computer.
9. A spring force measuring method of a spring plate, which is applied to the spring force measuring device of any one of claims 1 to 8, wherein a spring plate to be tested is mounted on a test block in advance, and the test block is vertically fixed on the positioning device on the test bench, the spring plate has a first end surface and a second end surface, a third end surface is arranged between the first end surface and the second end surface, the third end surface is respectively perpendicular to the first end surface and the second end surface, and a test gap is arranged between the first end surface and the second end surface;
the method for measuring the spring force of the spring piece comprises a clamping force measuring process, and specifically comprises the following steps:
step S1, the measuring device controls the first motor to drive the test platform to move along the first track to the position below the pressure head;
step S2, the measuring device controls the second motor to drive the test arm to move along the second track, and controls the third motor to drive the base to move along the third track, so as to drive the bottom end of the indenter to move into the test gap;
step S3, the measuring device controls the third motor to drive the base to move along the third track so as to drive the pressure head to move towards the first end face, a first pressure value applied by the first end face to the pressure head is collected in real time in the moving process, and the first pressure value is continuously output;
step S4, the measuring device compares the first pressure value with a preset first pressure threshold value:
if the first pressure value is smaller than the first pressure threshold, returning to the step S3;
if the first pressure value is not smaller than the first pressure threshold value, controlling the third motor to stop rotating, and taking the real-time position of the pressure head as the first position reference of the spring piece;
step S5, the measuring device controls the third motor to drive the base to move along the third track, so as to drive the pressing head to move a first preset distance toward the second end face with the first position as a starting point;
step S6, the measuring device measures a second pressure value applied by the second end surface to the pressure head, and the second pressure value is output to the display device to be displayed as the clamping force of the spring piece to be tested;
the method for measuring the spring force of the spring piece also comprises a process of measuring the dragging force, the test block is horizontally fixed on the positioning device on the test bench, and the process of measuring the dragging force comprises the following steps:
step A1, the measuring device controls the first motor to drive the test platform to move along the first track to the position below the pressure head;
step A2, the measuring device controls the second motor to drive the test arm to move along the second track, and controls the third motor to drive the base to move along the third track, so as to drive the bottom end of the pressure head to move above the test block;
step A3, controlling the third motor to drive the base to move along the third track by the measuring device so as to drive the pressure head to move towards the upper surface of the test block, acquiring a third pressure value applied to the pressure head by the upper surface in real time in the moving process, and continuously outputting the third pressure value;
step a4, the measuring device compares the third pressure value with a preset second pressure threshold value:
if the third pressure value is less than the second pressure threshold, returning to the step A3;
if the third pressure value is not smaller than the second pressure threshold value, controlling the third motor to stop rotating, and taking the real-time position of the pressure head as a second position reference of the spring piece;
step A5, the measuring device controls the third motor to drive the base to move along the third track, so as to drive the pressure head to move a second preset distance towards the third end face with the second position reference as a starting point;
and A6, measuring a fourth pressure value applied to the pressure head from the third end by the measuring device, and outputting the fourth pressure value to the display device for displaying as the dragging force of the spring plate to be tested.
10. The method of measuring spring leaf spring force of claim 9, wherein the first pressure threshold and the second pressure threshold are both 0.5 newtons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329367.7A CN110907083B (en) | 2019-12-20 | Device and method for measuring spring force of spring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329367.7A CN110907083B (en) | 2019-12-20 | Device and method for measuring spring force of spring piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110907083A true CN110907083A (en) | 2020-03-24 |
| CN110907083B CN110907083B (en) | 2024-07-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164916A (en) * | 2023-04-25 | 2023-05-26 | 广州市瑞盈金属结构有限公司 | Automatic elastic force detection equipment for stamping parts |
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| CN116164916B (en) * | 2023-04-25 | 2023-06-23 | 广州市瑞盈金属结构有限公司 | Stamping workpiece automated inspection equipment |
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