CN217980521U - On-line weighing measuring tank standard loading calibration system - Google Patents
On-line weighing measuring tank standard loading calibration system Download PDFInfo
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- CN217980521U CN217980521U CN202222000054.0U CN202222000054U CN217980521U CN 217980521 U CN217980521 U CN 217980521U CN 202222000054 U CN202222000054 U CN 202222000054U CN 217980521 U CN217980521 U CN 217980521U
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Abstract
The utility model provides an online weighing metering tank standard loading calibration system, include: the tank body comprises a plurality of lifting lugs and supporting legs, the lower ends of the supporting legs are respectively provided with a matched weighing module, the upper end of the standard loading device unit is connected with the lifting lugs, the lower end of the standard loading device unit is fixed with the ground, and the ground is fixed to the ground; the utility model discloses simple structure, easily control replaces the weight to realize the online full-scale calibration of weighing tank, weak point consuming time, and the security is high.
Description
Technical Field
The utility model belongs to online weighing measurement field especially relates to an online weighing measurement jar standard loading calbiration system.
Background
To the weighing metering tank calbiration system who is used for liquid, solid that comprises carrier (jar bodies such as jar, storage tank, reation kettle), weighing module, the display instrument that weighs, adopt standard weight to come the weighing metering tank to calibrate at present more, because the weighing metering tank belongs to online operation equipment, must carry out online calibration, and platform or space such as the on-the-spot large tracts of land carrier (jar body) are used for stacking standard weight, unable full range calibration, and waste time and energy. And the metering performance cannot be accurately and reliably reflected due to the limitation of objective conditions such as environment and the like. Therefore, a new metering standard device needs to be developed to calibrate the weighing metering tank, unify the technical indexes of the weighing metering tank and strengthen supervision and management.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an online weighing metering tank standard loading calbiration system solves and lacks standard loading calbiration system's problem when unable adoption standard weight realizes online full scale weighing calibration.
In order to realize the utility model, the utility model provides a technical scheme is: the utility model provides an online weighing metering tank standard loading calbiration system, its includes a jar body, lug, stabilizer blade, standard loading device unit, weighing module, lower margin and controlling means, the jar body on include a plurality of lugs and stabilizer blade, stabilizer blade lower extreme and lower margin between the installation supporting weighing module that has, standard loading device unit include one or more, standard loading device unit upper end be connected with the lug, standard loading device unit lower extreme fixed with the lower margin, the lower margin fixed to ground, controlling means electricity is connected standard loading device unit.
The standard loading device unit comprises a screw, a lifting lug connecting piece, an upper joint bearing, an S-shaped weighing sensor, a lower joint bearing, an electric cylinder guide device, a servo electric cylinder and a ground pin connecting piece, wherein the lifting lug connecting piece is connected with a lifting lug through the screw, one end of the upper joint bearing is installed on the lifting lug connecting piece, the other end of the upper joint bearing is connected with one end of the S-shaped weighing sensor, one end of the lower joint bearing is connected with the electric cylinder guide device, the other end of the lower joint bearing is connected with the other end of the S-shaped weighing sensor, the servo electric cylinder is installed on the electric cylinder guide device, the electric cylinder guide device is fixed on a ground pin through the ground pin connecting piece, and the S-shaped weighing sensor and the servo electric cylinder are respectively and electrically connected with a control device.
Further the control device comprises a servo driver, a single chip microcomputer and a weighing instrument, wherein the servo electric cylinder is electrically connected with the single chip microcomputer through the servo driver, and the single chip microcomputer is also electrically connected with the S-shaped weighing sensor and the weighing instrument respectively.
The utility model has the advantages that:
the calibration system has set up multiunit standard loading device unit, and the two-way linear motion of standard loading device unit through servo electric jar realizes weighing tank loading and uninstallation, the utility model discloses simple structure, easily control replaces the quick online full range calibration of weight, weak point consuming time, and the security is high.
Drawings
Fig. 1 is a schematic structural diagram of an operating state of a standard loading calibration system of an online weighing and metering tank according to an embodiment of the present invention;
fig. 2 is a front view of a standard loading device according to an embodiment of the present invention;
fig. 3 is a right side view of a standard loading device according to an embodiment of the present invention;
FIG. 4 is a signal connection block diagram of the control system of the present invention;
wherein: 1. a tank body; 2. lifting lugs; 3. a support leg; 4. a standard loading device unit; 5. a weighing module; 6. ground feet; 41. a screw; 42. a lifting lug connecting piece; 43. an upper knuckle bearing; 44. an S-shaped weighing sensor; 45. a lower spherical plain bearing; 46. an electric cylinder guide; 47. a servo electric cylinder; 48. a foot margin connecting piece; 49. a servo driver; 50. a single chip microcomputer; 51. a weighing instrument.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1, 2, 3 and 4, the embodiment provides an on-line weighing and measuring tank standard loading calibration system, which comprises a tank body 1, a lifting lug 2, a supporting leg 3, a standard loading device unit 4, a weighing module 5 and a ground foot 6. The tank body 1 is provided with four lifting lugs 2 and four supporting legs 3, the lower ends of the supporting legs 3 are provided with a matched weighing module 5, the weighing module 5 adopts a market universal type weighing module containing a weighing indicator, the calibration system is provided with four groups of standard loading device units 4, the upper ends of the standard loading device units 4 are connected with the lifting lugs 2, the lower ends of the standard loading device units 4 are fixed with the ground 6, and the ground 6 is fixed to the ground.
Wherein the standard loader unit 4 comprises a screw 41, a shackle connector 42, an upper joint bearing 43, an S-shaped load cell 44, a lower joint bearing 45, an electric cylinder guide 46, a servo electric cylinder 47, and a foot connector 48. The upper end of the standard loading device unit 4 is connected with a weighing and metering tank lifting lug 2 through a lifting lug connecting piece 42, one end of an upper joint bearing 43 is installed on the lifting lug connecting piece 42, the other end of the upper joint bearing is connected with an S-shaped weighing sensor 44, one end of a lower joint bearing 45 is connected with an electric cylinder guide device 46, the other end of the lower joint bearing is connected with the S-shaped weighing sensor 44, a servo electric cylinder 47 is installed on the electric cylinder guide device 46, the electric cylinder guide device 46 is fixed on a ground pin 6 through a ground pin connecting piece 48, and the servo electric cylinder 47 is connected to an external control system through a circuit.
The control system of the embodiment comprises a servo driver 49, a single chip microcomputer 50 and a weighing instrument 51, the servo driver 49 drives the servo electric cylinder 47 to move linearly, so that the whole mechanism gap of the standard loading device unit 4 is eliminated, the load is gradually transmitted to the weighing module 5 at the bottom of the weighing measuring tank, the servo electric cylinder 47 can move linearly in two directions by the aid of a weighing indicator of the matched weighing module 5 to display a quantity value, and loading and unloading of the weighing measuring tank are achieved.
In addition, in this embodiment, the standard loading device units 4 are uniformly distributed and installed on the weighing and metering tank according to actual requirements, the standard loading device units are installed on the vertical and horizontal ground, the verticality deviation is less than 1 degree, the connection positions of the upper ends of all the standard loading device units 4 and the lifting lugs 2 are kept on the same horizontal plane, and the height difference is less than 2mm.
The standard loading device unit 4 of this embodiment applies the standard load to the weighing tank step by step to the maximum weighing, the weighing module 5 at the bottom of the weighing tank is stressed, and the display value of the weighing indicator of the weighing tank is compared with the indication value of the weighing instrument 51, thereby realizing the calibration of the weighing tank.
Particularly, in order to realize the consistency of standard load values given by the four groups of standard loading device units 4, an S-shaped weighing sensor 44 is used for feeding back signals to a single chip microcomputer 50 in real time, the four groups of standard loading device units work synchronously, 4 paths of AD values are acquired by adopting the single chip microcomputer technology, the AD values are calculated and converted into digital signals, the digital signals are displayed on a weighing instrument 51 through 485 serial port communication, and according to the stress state of each standard loading device unit 4, signals are input to control each path of servo electric cylinder 47, so that the uniform and synchronous operation of stress of each standard loading device unit 4 is realized.
In the embodiment, the indication error and the repeatability item of the weighing metering tank are calibrated according to the metering characteristics of the weighing metering tank.
Before calibration, each device of the weighing and metering tank is started to preheat for no less than 30 minutes or according to the specification requirements. Emptying the calibrated weight metering tank, starting the standard loading device 4, gradually loading from zero to near maximum weighing, finally unloading, repeating for 3 times, and checking whether the weighing module 5, each stress part of the standard loading device 4 and the instrument indicating device work normally.
In the calibration process, the indication error item is calibrated, the weighing points are selected according to the requirements of a user, if the user has no special requirements, the following weighing points can be selected for calibration according to the metering characteristics of the weighing and metering tank: 20% max weight, 50% max weight, max weight (or close to max weight), and the like.
In the calibration process, the repeatability item is calibrated, the repeatability test is carried out by using the load which is close to 50-100% of the maximum weighing or the load required by a customer, the weighing test is carried out on the weighing metering tank for 6 times, and the reading is read when the weighing metering tank is stable after being loaded. Before each loading, the load is unloaded to zero, and the loading is carried out after the weighing indicator reading is stable.
In conclusion, the online weighing and metering tank standard loading calibration system provided by the embodiment replaces weights to realize online full-range calibration of weighing and metering tanks, and is short in time consumption and high in safety; the system is integrated, simple to operate, convenient to use, continuously adjustable and capable of collecting data in real time; the metering performance of the weighing metering tank can be accurately and reliably reflected.
Claims (3)
1. The utility model provides an online weighing and metering tank standard loading calbiration system, its includes jar body (1), lug (2), stabilizer blade (3), standard loading device unit (4), weighing module (5), lower margin (6) and controlling means, its characterized in that: the tank body (1) is provided with a plurality of lifting lugs (2) and supporting legs (3), a weighing module (5) is arranged between the lower ends of the supporting legs (3) and ground feet (6) in a matched mode, the standard loading device unit (4) comprises one or more standard loading device units, the upper end of each standard loading device unit (4) is connected with the lifting lug (2), the lower end of each standard loading device unit (4) is fixed with the ground feet (6), the ground feet (6) are fixed to the ground, and the control device is electrically connected with the standard loading device units (4).
2. The on-line weight measuring tank standard loading calibration system of claim 1, wherein: the standard loading device unit (4) comprises a screw rod (41), a lifting lug connecting piece (42), an upper joint bearing (43), an S-shaped weighing sensor (44), a lower joint bearing (45), an electric cylinder guide device (46), a servo electric cylinder (47) and a ground pin connecting piece (48), the lifting lug connecting piece (42) is connected with a lifting lug (2) through the screw rod (41), one end of the upper joint bearing (43) is installed on the lifting lug connecting piece (42), the other end of the upper joint bearing is connected with one end of the S-shaped weighing sensor (44), one end of the lower joint bearing (45) is connected with the electric cylinder guide device (46), the other end of the lower joint bearing is connected with the other end of the S-shaped weighing sensor (44), the servo electric cylinder (47) is installed on the electric cylinder guide device (46), the electric cylinder guide device (46) is fixed on the ground pin (6) through the ground pin connecting piece (48), and the S-shaped weighing sensor (44) and the servo electric cylinder (47) are respectively and electrically connected with a control device.
3. The on-line weigh measuring tank standard loading calibration system of claim 2, characterized in that: the control device comprises a servo driver (49), a single chip microcomputer (50) and a weighing instrument (51), the servo electric cylinder (47) is electrically connected with the single chip microcomputer (50) through the servo driver (49), and the single chip microcomputer (50) is also electrically connected with an S-shaped weighing sensor (44) and the weighing instrument (51) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222000054.0U CN217980521U (en) | 2022-08-01 | 2022-08-01 | On-line weighing measuring tank standard loading calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222000054.0U CN217980521U (en) | 2022-08-01 | 2022-08-01 | On-line weighing measuring tank standard loading calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217980521U true CN217980521U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222000054.0U Active CN217980521U (en) | 2022-08-01 | 2022-08-01 | On-line weighing measuring tank standard loading calibration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217980521U (en) |
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2022
- 2022-08-01 CN CN202222000054.0U patent/CN217980521U/en active Active
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