Cylinder mass and length measuring device
By designing a cylinder mass and length measuring device, which automatically measures the mass and length of a cylinder using pressure and displacement sensors, the problems of low efficiency and poor accuracy in existing technologies are solved, achieving efficient and automated measurement and reducing the possibility of product damage.
Patent Information
- Application Number
- CN202520385853.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-06
AI Technical Summary
In existing technologies, the measurement of the mass and length of cylindrical products is inefficient and inaccurate, and manual measurement may cause secondary damage to the product.
A cylindrical mass and length measuring device was designed, including a support base plate, a support assembly, a mass measuring assembly, and a length measuring assembly. The device automatically measures the mass and length of the cylinder using pressure and displacement sensors, and calculates the position of the center of mass using an industrial control computer.
It achieves efficient and automated measurement, reduces human error, shortens inspection time, and reduces the possibility of product damage.
Smart Images

Figure CN223815112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of cylinder mass and length measuring device, belong to product parameter measurement technical field. BACKGROUND
[0002] When the specific cylinder product is produced in factory, the cylinder product of factory outlet needs to be quickly quality inspected, including length, mass and centroid position, to avoid the influence on product function due to unqualified appearance size. The above measurement usually adopts manual measurement, which is low in efficiency and poor in accuracy, with large measurement error, and may cause secondary damage to the product during handling. UTILITY MODEL CONTENT
[0003] The utility model aims at providing a kind of cylinder mass and length measuring device, which can efficiently and automatically complete the measurement of cylinder mass and length, so as to calculate the centroid position according to mass and length, and reduce manual error.
[0004] To achieve the above purpose, the utility model employs the technical scheme that:
[0005] A kind of cylinder mass and length measuring device, comprising support base plate, a plurality of groups of support components for adjusting the levelness of support base plate are provided at the bottom of support base plate;A plurality of groups of mass measurement components for supporting and measuring the mass of cylinder are provided on support base plate;Limiting plate for limiting cylinder and length measurement component for measuring the length of cylinder are respectively provided at the top of support base plate both ends.
[0006] Preferably, the support component includes foot pedestal fixed vertically to the bottom of the support base plate and adjustable feet provided at both ends of the foot pedestal.
[0007] Preferably, the adjustable feet include bottom support, screw rod vertically provided on the bottom support, and rotating disc rotatably provided at the top end of the screw rod;Wherein, the screw rod penetrates through the foot pedestal and is threadedly connected with the foot pedestal.
[0008] Preferably, the mass measurement component includes pressure sensor mounted on the support base plate, lower support across the pressure sensor and fixedly connected with the support base plate at both sides is provided above the pressure sensor;Upper support with support opening at the top is provided on the lower support, and contact column penetrating through the lower support and abutting against the pressure sensor at the bottom end is provided at the bottom of the upper support.
[0009] Wherein, the length of the contact column is greater than the distance between the top surface of the pressure sensor and the top surface of the lower support.
[0010] Preferably, anti-rotation groove is further provided at the top of the lower support, and anti-rotation column inserted into the anti-collision groove is provided at the bottom of the upper support;Wherein, the length of the anti-rotation column is less than the depth of the anti-rotation groove.
[0011] Preferably, the length measuring assembly comprises a support plate arranged at one side of the end of the support base plate, a plurality of waist-shaped holes vertically extending are arranged on the support plate in correspondence, a lifting plate corresponding to the cylinder is arranged at one side of the support plate, and the lifting plate is connected with the support plate through a plurality of groups of bolt assemblies penetrating through the waist-shaped holes;
[0012] A plurality of adjusting holes extending along the radial direction of the cylinder are arranged on the lifting plate, and an adjusting plate is arranged on the lifting plate, and the adjusting plate is connected with the lifting plate through a plurality of groups of bolt assemblies penetrating through the adjusting holes;
[0013] A displacement sensor with an execution end abutting against the center of the cylinder is mounted on the adjusting plate.
[0014] Preferably, a handle is mounted on the top of the limiting plate and the support base plate close to the side of the length measuring assembly.
[0015] Preferably, a transmitter is further arranged on the support base plate, the execution parts of the mass measuring assembly and the length measuring assembly are electrically connected with the transmitter, and the transmitter is electrically connected with an external industrial computer, and the industrial computer can calculate the centroid position according to the measured mass and length deviation.
[0016] Preferably, two groups of level meter sets are arranged on the top of the support base plate, and each group of level meter sets comprises two level meters arranged perpendicularly.
[0017] The utility model discloses the beneficial effect lies in:
[0018] The device has high automation degree and high measurement efficiency, can read out the mass and length deviation of the to-be-measured cylinder only by using the cylinder standard part to set zero before measurement, the industrial computer can directly calculate the centroid position according to the measured mass and length deviation, effectively shortens product quality detection time, and greatly reduces the possibility of secondary damage. DRAWINGS
[0019] Figure 1 It is a structural schematic view of the measuring device;
[0020] Figure 2 It is a schematic view of the connection between the upper support and the lower support;
[0021] Figure 3 It is a structural schematic view of the lower support;
[0022] Figure 4 It is a structural schematic view of the length measuring assembly.
[0023] The main meanings of the main reference signs in the drawings are as follows:
[0024] 1. Support base plate, 2. Support foot base, 3. Adjustable support foot, 4. Bottom support, 5. Screw, 6. Rotating disk, 7. Pressure sensor, 8. Lower support, 9. Upper support, 10. Contact column, 11. Anti-rotation groove, 12. Anti-rotation column, 13. Limit plate, 14. Support plate, 15. Waist-shaped hole, 16. Lifting plate, 17. Adjustment hole, 18. Adjustment plate, 19. Displacement sensor, 20. Transmitter, 21. Handle, 22. Level. Detailed Implementation
[0025] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0026] This embodiment provides a device for measuring the mass and length of a cylinder, such as... Figures 1-4 As shown, the device includes a support base plate 1, which is a rectangular steel structure that serves as a support. Holes are cut into the support base plate 1 to reduce the overall weight of the device. Two sets of support components are installed at the bottom of the support base plate 1 to adjust its level. Each support component includes a foot base 2 vertically fixed to the bottom of the support base plate 1 and adjustable feet 3 at both ends of the foot base 2. Each adjustable foot 3 includes a bottom support 4, a screw 5 vertically mounted on the bottom support 4, and a rotating disk 6 screwed to the top of the screw 5. The screw 5 passes through the foot base 2 and is threadedly connected to it. The levelness of the support base plate 1 is adjusted by rotating the screw 5. To facilitate levelness testing, two sets of level gauges are installed at the top of the support base plate 1, each set including two perpendicularly arranged levels 22.
[0027] Two sets of mass measuring components for supporting and measuring the mass of a cylinder are provided on the support base plate 1. The mass measuring components include a pressure sensor 7 installed on the support base plate 1, a lower support 8 that spans the pressure sensor 7 and is fixedly connected to the support base plate 1 on both sides above the pressure sensor 7, an upper support 9 with a support opening (inverted trapezoidal structure) at the top of the lower support 8, and a contact post 10 that passes through the lower support 8 and abuts against the pressure sensor 7 at the bottom of the upper support 9. In order to prevent the upper support 9 from shifting, an anti-rotation groove 11 is provided at the top of the lower support 8, and an anti-rotation post 12 inserted into the anti-collision groove is provided at the bottom of the upper support 9. The length of the contact post 10 is greater than the distance between the top surface of the pressure sensor 7 and the top surface of the lower support 8, and the length of the anti-rotation post 12 is less than the depth of the anti-rotation groove 11.
[0028] The length measuring assembly comprises a support plate 14 arranged at one side of the end of the support base plate 1, two vertically extending waist-shaped holes 15 are formed in the support plate 14 in correspondence, a lifting plate 16 corresponding to the cylinder is arranged at one side of the support plate 14, and the lifting plate 16 is connected with the support plate 14 through two groups of bolt assemblies penetrating through the waist-shaped holes 15; two adjusting holes 17 extending along the radial direction of the cylinder are formed in the lifting plate 16, and an adjusting plate 18 is arranged on the lifting plate 16 and connected with the lifting plate 16 through two groups of bolt assemblies penetrating through the adjusting holes 17; a displacement sensor 19 (model KTR125, Hongmang Technology, sensor pull rod is telescopic, and is provided with a reset spring) is installed on the adjusting plate 18 and abuts with the center of the cylinder. Through the above structure, the displacement of the displacement sensor 19 is adjustable, so that the position of the displacement sensor 19 can be adjusted when the initial position is determined.
[0029] The transmitter 20 is further arranged on the support base plate 1, the actuators of the mass measuring assembly and the length measuring assembly are electrically connected with the transmitter 20, and the transmitter 20 is electrically connected with an external industrial computer; and the industrial computer can calculate the centroid position according to the measured mass and length deviation value.
[0030] In order to facilitate the movement or lifting of the device, a handle 21 is installed on the top of the limiting plate 13 and the support base plate 1 close to the length measuring assembly.
[0031] The length of the standard cylinder is 1.6 m, and the mass is 40 kg. The device is zeroed before formal measurement, and the parameters of the cylinder to be measured are calculated based on the deviation value of the standard part. The maximum measurement error range of the length of the cylinder is ±150 mm.
[0032] Before use, the operator uses the standard cylinder to perform device zeroing operation. The standard cylinder is placed on the two upper supports 9, the left end of the cylinder is closely attached to the limiting plate 13, the positions of the lifting plate 16 and the adjusting plate 18 are adjusted so that the displacement sensor 19 is closely attached to the right end surface of the cylinder to be measured, and the automatic measurement of the mass and length value is started and transmitted to the industrial computer through the transmitter 20.
[0033] The mass of the standard cylinder can be calculated by the following formula:
[0034] m0=(F1+F2) / g
[0035] In the formula, m0 is the mass of the standard cylinder, unit g (direct conversion between g and kg can be performed during calculation); F1 and F2 are the readings of the two pressure sensors 7, unit N; g is the proportional coefficient, 9.8 N / kg.
[0036] The length of the standard cylinder can be calculated by the following formula:
[0037] l0=L-x0
[0038] In the formula, l0 is the length of the standard cylinder, unit: mm; L is the fixed maximum distance between the limiting plate 13 and the execution end of the displacement sensor 19, unit: mm; x 0 is the moving distance of the execution end of the displacement sensor 19 during measurement, unit: mm.
[0039] After the zero setting is completed, the operator places the cylinder to be measured into the device, and repeats the adjustment operation, and the device starts to automatically measure the mass and length values, and the mass m 1 of the cylinder to be measured, unit: g; the mass error value m1-m0, unit: g; the length value l1 of the cylinder to be measured, unit: mm; and the length error value l1-l0, unit: mm.
[0040] The centroid position of the cylinder can be calculated by the following formula:
[0041]
[0042] In the formula, L m is the length between the centroid of the measured cylinder and the first end (left end) of the cylinder, unit: mm; F1 and F2 are the readings of the two pressure sensors 7, unit: N; L2 is the length between the two pressure sensors 7, unit: mm; L1 is the length between the limiting plate and the pressure sensor 7 close to the first end (left side), unit: mm; and g is the proportional coefficient, 9.8 N / kg.
[0043] After the measurement is completed, the industrial computer displays the length, mass, error value, centroid position and other information of the measured cylinder in real time.
[0044] Compared with the prior art, the measuring device is simple to operate, has high automation degree and measurement efficiency, and only needs to use the standard cylinder to perform zero setting before measurement, so that the actual value, deviation value and centroid position of the mass and length of the cylinder to be measured can be read out, the product quality detection time is effectively shortened, the manual measurement error is reduced, and the possibility of secondary damage is greatly reduced.
[0045] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.
Claims
1. A cylinder mass and length measuring device, characterized by, The application relates to a support base plate, a plurality of groups of support components for adjusting the levelness of the support base plate are arranged at the bottom of the support base plate, a plurality of groups of mass measuring components for supporting and measuring the mass of a cylinder are arranged on the support base plate, limiting plates for limiting the cylinder are arranged at the top of the support base plate at two ends respectively, and length measuring components for measuring the length of the cylinder are arranged at the top of the support base plate at two ends respectively.
2. The mass and length measuring apparatus according to claim 1, characterized in that, The support component comprises a support leg base fixed vertically at the bottom of the support base plate and adjustable support legs arranged at two ends of the support leg base.
3. The mass and length measuring apparatus of claim 2, wherein, The adjustable support leg comprises a bottom support, a screw rod arranged vertically on the bottom support and a rotating disc arranged at the top end of the screw rod; wherein the screw rod penetrates through the support leg base and is connected with the support leg base in a threaded mode.
4. The mass and length measuring apparatus of claim 1, wherein, The mass measuring component comprises a pressure sensor arranged on the support base plate, a lower support arranged above the pressure sensor and fixedly connected with the support base plate at two sides, an upper support with a support opening arranged at the top of the lower support, and a contact column penetrating through the lower support and abutting against the pressure sensor at the bottom end. The length of the contact column is greater than the distance between the top surface of the pressure sensor and the top surface of the lower support.
5. The mass and length measuring apparatus of claim 4, wherein, A rotation-preventing groove is arranged at the top of the lower support, and a rotation-preventing column is arranged at the bottom of the upper support and inserted into the rotation-preventing groove; wherein the length of the rotation-preventing column is less than the depth of the rotation-preventing groove.
6. The mass and length measuring apparatus of claim 1, wherein, The length measuring component comprises a support plate arranged at one side of the end of the support base plate, a plurality of vertically-extended waist-shaped holes arranged on the support plate, a lifting plate corresponding to the cylinder arranged at one side of the support plate, and a plurality of bolt assemblies penetrating through the waist-shaped holes and connecting the lifting plate with the support plate. A plurality of adjusting holes extending along the radial direction of the cylinder are arranged on the lifting plate, and an adjusting plate is arranged on the lifting plate and connected with the lifting plate through a plurality of bolt assemblies penetrating through the adjusting holes. A displacement sensor with an execution end abutting against the center of the cylinder is arranged on the adjusting plate.
7. The mass and length measuring apparatus of claim 1, wherein, A handle is arranged on the top of the limiting plate and the support base plate close to the length measuring component.
8. The mass and length measuring apparatus of claim 1, wherein, A transmitter is arranged on the support base plate, and the execution parts of the mass measuring component and the length measuring component are electrically connected with the transmitter, and the transmitter is electrically connected with an external industrial computer.
9. The mass and length measuring apparatus of claim 1, wherein, Two groups of level meters are arranged on the top of the support base plate, and each group of level meters comprises two level meters arranged vertically.