CN211576313U - High-precision electronic belt scale - Google Patents
High-precision electronic belt scale Download PDFInfo
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- CN211576313U CN211576313U CN202020470757.8U CN202020470757U CN211576313U CN 211576313 U CN211576313 U CN 211576313U CN 202020470757 U CN202020470757 U CN 202020470757U CN 211576313 U CN211576313 U CN 211576313U
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- belt
- weighing
- belt conveyor
- scale
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Abstract
The utility model relates to a high accuracy electronic belt scale, include two balance bodies and a weighing instrument of arranging in proper order along the defeated material direction of belt feeder, arbitrary balance body includes base, four weighing sensor of matrix distribution on the base of fixed connection in the belt feeder frame, the balance frame of being connected with four sensors, and each weighing sensor of two balance bodies all is connected with the weighing instrument. The utility model discloses a to the institutional advancement of base and the reasonable layout of four weighing sensor on every balance body, improved the stable in structure system of base, eliminate the balance body and arouse the problem of base slope, focus skew because of the conveyer belt off tracking, make every weighing sensor work independently steadily, consequently, can improve measurement accuracy effectively.
Description
The technical field is as follows:
the utility model relates to a high accuracy electronic belt conveyor scale.
Background art:
the basic working principle of the electronic belt scale is that a weighing sensor senses mass signals of passing materials, belt linear speed signals sensed by a speed sensor are combined, the two signals are calculated by an integrating instrument, the mass of the materials flowing through the belt scale is finally obtained, and accordingly trade settlement is carried out.
The weighing structure of the existing electronic belt scale is of a trunnion structure, and in order to reduce torque interference during rotation, an automatic self-aligning bearing is adopted, so that when materials are in unbalanced load, the whole scale frame has the tendency of automatically searching a rotation center, the scale frame is inclined, the stress of a weighing sensor is also angled with the vertical direction, the mass of the actual materials flowing instantly cannot be completely reflected, the weighing precision is always kept in a +/-0.5% wandering state, and the weighing precision cannot be further improved.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: provided is a high-precision electronic belt scale capable of further improving weighing precision.
In order to solve the technical problem, the utility model discloses a technical scheme is: the high-precision electronic belt scale comprises two scale bodies and a weighing instrument which are sequentially arranged along the conveying direction of a belt conveyor, wherein any scale body comprises a base fixedly connected to a frame of the belt conveyor, four weighing sensors distributed on the base in a matrix manner and a scale frame connected with the four weighing sensors, and each weighing sensor of the two scale bodies is connected with the weighing instrument;
the base comprises a cross beam fixedly connected to the rack and two longitudinal beams vertically connected to the cross beam, the cross beam is perpendicular to the conveying direction of the belt conveyor, the two longitudinal beams are symmetrically distributed on two sides of a central shaft of the belt conveyor, the centers of the longitudinal beams are fixedly connected with the cross beam, and four weighing sensors are fixedly connected to the end portions of the longitudinal beams in a one-to-one correspondence manner;
the balance frame comprises two hanging beams which are arranged below the longitudinal beam in a one-to-one correspondence manner, any hanging beam is hung on two weighing sensors corresponding to the two ends of the longitudinal beam, the balance frame further comprises two belt beams which are parallelly arranged on the two sides of the cross beam, any belt beam is fixedly connected with the same end of the two hanging beams, a support frame used for supporting the conveying belt is arranged on the belt beams, and a supporting roller used for supporting the conveying belt is rotatably connected to the support frame.
As a preferred scheme, the weighing sensor is a cantilever beam type, and the setting direction of the weighing sensor is perpendicular to the conveying direction of the belt conveyor.
As a preferred scheme, each weighing sensor is correspondingly provided with a protective cover, and the protective covers are fixedly connected to the longitudinal beams and cover the weighing sensors.
As a preferred scheme, the high-precision electronic belt scale further comprises a speed measuring wheel fixedly mounted on the frame, the axis of the speed measuring wheel is perpendicular to the conveying direction of the belt conveyor, the rim of the speed measuring wheel is abutted against the conveying belt on the belt conveyor and is driven by the conveying belt to rotate so as to measure the moving speed of the conveying belt, the signal output end of the speed measuring wheel is connected with the weighing instrument, and the moving speed of the conveying belt is sent to the weighing instrument in the form of an electric signal.
The utility model has the advantages that: the utility model discloses a to the institutional advancement of the balance body and the reasonable layout of four weighing sensor on every balance body, improved the structural stability of the balance body, improve the balance body and arouse the problem of balance body slope, focus skew because of the conveyer belt off tracking, make every weighing sensor work independently steadily, consequently, can improve measurement accuracy effectively.
The utility model discloses an improvement to belt beam length for the width of the balance body reduces 30CM, eliminates the zero drift problem that the operation in-process arouses because of card material, long-pending material, has realized non-maintaining function, has ensured electronic belt balance use accuracy.
Simultaneously the utility model discloses a mode setting eight weighing sensor according to the matrix arrangement is on two balance bodies, under the prerequisite that has increased the signal acquisition volume of weighing at double, has maintained the effective length of weighing of ordinary belt weigher 4.8 meters to be applied to on the short belt feeder of distance. And shortening effective weighing length means that deviation rectifying devices can be arranged on the belt conveyor more densely, so that the phenomenon of deviation of the conveying belt is further inhibited, the influence of the deviation of the conveying belt on weighing precision is reduced, and the weighing precision is improved.
The utility model discloses further adopt cantilever beam type's weighing sensor, and with the defeated material direction of weighing sensor perpendicular to belt feeder, when the circumstances such as conveyer belt off tracking appears and makes the balance frame produce the slope to belt scale one side, what weighing sensor applyed still is shearing force and non-torsion, and weighing sensor still can react the actual weight of goods completely, improves the measurement accuracy.
The utility model discloses further set up the safety cover on every weighing sensor, avoid the material to pollute weighing sensor, ensure weighing sensor's stability in use.
The utility model discloses further detect the translation rate of wheel pair belt feeder conveyer belt through testing the speed to combine the material weight that weighing sensor detected, carry out weight accumulation through the weighing instrument, finally obtain the total weight of belt feeder transported substance material, directly settle accounts, and it is more convenient to use.
Description of the drawings:
the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the assembly state of the high-precision electronic belt scale according to the present invention;
3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3
In fig. 1 and 2: 1. scale body, 2, weighing instrument, 3, frame, 4, base, 401, crossbeam, 402, longeron, 5, weighing sensor, 6, scale frame, 601, hanging beam, 602, belt beam, 603, support frame, 604, backing roll, 7, conveyer belt, 8, safety cover, 9, velocity measuring wheel.
The specific implementation mode is as follows:
the following describes in detail a specific embodiment of the present invention with reference to the drawings.
For clarity, the conveying belt 7 is not shown in fig. 1, as shown in fig. 1 and fig. 2, the high-precision electronic belt scale includes two scale bodies 1 and a weighing instrument 2 which are sequentially arranged along a conveying direction of the belt conveyor, each scale body 1 includes a base 4 fixedly connected to a frame 3 of the belt conveyor, four weighing sensors 5 which are distributed on the base 4 in a matrix manner, and a scale frame 6 connected with the four weighing sensors 5, and each weighing sensor 5 of the two scale bodies 1 is connected with the weighing instrument 2.
The base 4 comprises a cross beam 401 fixedly connected to the rack 3 and two longitudinal beams 402 vertically connected to the cross beam 401, the cross beam 401 is perpendicular to the conveying direction of the belt conveyor, the two longitudinal beams 402 are symmetrically distributed on two sides of the central shaft of the belt conveyor, the centers of the longitudinal beams 402 are fixedly connected with the cross beam 401, and the four weighing sensors 5 are fixedly connected to the end portions of the longitudinal beams 402 in a one-to-one correspondence manner.
The scale frame 6 comprises two hanging beams 601 which are arranged below the longitudinal beam 402 in a one-to-one correspondence manner with the longitudinal beam 402, any hanging beam 601 is hung on two weighing sensors 5 corresponding to two ends of the longitudinal beam 402, the scale frame 6 further comprises two belt beams 602 which are parallelly arranged on two sides of the cross beam 401, any belt beam 602 is fixedly connected with the same ends of the two hanging beams 601, a support frame 603 used for supporting the conveying belt 7 is arranged on the belt beam 602, and a support roller 604 used for supporting the conveying belt 7 is rotatably connected to the support frame 603.
Each weighing sensor 5 is correspondingly provided with a protective cover 8, and the protective covers 8 are fixedly connected to the longitudinal beams 402 and cover the weighing sensors 5.
As shown in fig. 1, the high-precision electronic belt scale further includes a velocity measurement wheel 9 fixedly mounted on the frame 3, an axis of the velocity measurement wheel 9 is perpendicular to a material conveying direction of the belt conveyor, a rim of the velocity measurement wheel 9 abuts against the conveyor belt 7 on the belt conveyor and is driven by the conveyor belt 7 to rotate so as to measure a moving speed of the conveyor belt 7, a signal output end of the velocity measurement wheel 9 is connected with the weighing instrument 2, and the moving speed of the conveyor belt 7 is transmitted to the weighing instrument 2 in the form of an electrical signal.
The utility model discloses the theory of operation is: as shown in fig. 1 and 2, a material is placed on a conveyor belt 7, the conveyor belt 7 conveys the material from upstream to downstream, when the material passes through the belt weigher, each weighing sensor 5 of any one of the weigher bodies 1 sends a weighing signal to a weighing instrument, and the weighing instrument performs integration processing by combining with a moving speed signal of the conveyor belt 7 sent by a speed measuring wheel 9 to obtain an instantaneous flow and an accumulated amount.
When the conveyer belt 7 deviates, the scale frame 6 inclines to one side of the frame, the weighing sensor 5 applies shearing force, the weighing sensor 5 can completely reflect the actual weight of the goods, and the metering precision is improved.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (4)
1. The high-precision electronic belt scale is characterized by comprising two scale bodies (1) and a weighing instrument (2), wherein the two scale bodies (1) and the weighing instrument (2) are sequentially arranged along the conveying direction of a belt conveyor, any scale body (1) comprises a base (4) fixedly connected to a belt conveyor frame (3), four weighing sensors (5) distributed on the base (4) in a matrix manner, and a scale frame (6) connected with the four weighing sensors (5), and each weighing sensor (5) of the two scale bodies (1) is connected with the weighing instrument (2);
the base (4) comprises a cross beam (401) fixedly connected to the rack (3) and two longitudinal beams (402) vertically connected to the cross beam (401), the cross beam (401) is perpendicular to the conveying direction of the belt conveyor, the two longitudinal beams (402) are symmetrically distributed on two sides of a central shaft of the belt conveyor, the centers of the longitudinal beams (402) are fixedly connected with the cross beam (401), and the four weighing sensors (5) are fixedly connected to the end portions of the longitudinal beams (402) in a one-to-one correspondence manner;
balance frame (6) include with longeron (402) one-to-one set up two hanging beam (601) in longeron (402) below, arbitrary hanging beam (601) hang in two weighing sensor (5) that correspond longeron (402) both ends on, balance frame (6) still include parallel branch establish two belt roof beam (602) in crossbeam (401) both sides, same one end fixed connection of arbitrary belt roof beam (602) and two hanging beam (601), be provided with support frame (603) that are used for supporting conveyer belt (7) on belt roof beam (602), it is connected with backing roll (604) that are used for supporting conveyer belt (7) to rotate on support frame (603).
2. A high precision electronic belt scale according to claim 1, characterized in that the weighing sensor (5) is a cantilever beam type, and the weighing sensor (5) is arranged in a direction perpendicular to the conveying direction of the belt conveyor.
3. A high-precision electronic belt scale according to claim 1, characterized in that a protective cover (8) is provided for each load cell (5), the protective cover (8) being fixedly connected to the longitudinal beam (402) and covering the load cell (5).
4. The high-precision electronic belt scale according to claim 1, further comprising a velocity measuring wheel (9) fixedly mounted on the frame (3), wherein the axis of the velocity measuring wheel (9) is perpendicular to the feeding direction of the belt conveyor, the rim of the velocity measuring wheel (9) abuts against the belt conveyor (7) on the belt conveyor, and is driven by the belt conveyor (7) to rotate so as to measure the moving speed of the belt conveyor (7), and the signal output end of the velocity measuring wheel (9) is connected with the weighing instrument (2) so as to transmit the moving speed of the belt conveyor (7) to the weighing instrument (2) in the form of an electrical signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470757.8U CN211576313U (en) | 2020-04-02 | 2020-04-02 | High-precision electronic belt scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470757.8U CN211576313U (en) | 2020-04-02 | 2020-04-02 | High-precision electronic belt scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211576313U true CN211576313U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020470757.8U Active CN211576313U (en) | 2020-04-02 | 2020-04-02 | High-precision electronic belt scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211576313U (en) |
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2020
- 2020-04-02 CN CN202020470757.8U patent/CN211576313U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: 215600 Zhangjiagang Port Group Co., Ltd., 252 middle Changjiang Road, Jingang town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: ZHANGJIAGANG PORT GROUP Co.,Ltd. Address before: Gangsheng branch of Zhangjiagang Port Group Co., Ltd., No.5 Wushan Road, Jingang town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215633 Patentee before: GANGSHENG BRANCH OF ZHANGJIAGANG PORT GROUP Co.,Ltd. |