CN216410387U - Levelness detection tool for weighing sensor - Google Patents
Levelness detection tool for weighing sensor Download PDFInfo
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- CN216410387U CN216410387U CN202123173921.2U CN202123173921U CN216410387U CN 216410387 U CN216410387 U CN 216410387U CN 202123173921 U CN202123173921 U CN 202123173921U CN 216410387 U CN216410387 U CN 216410387U
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Abstract
The utility model provides a levelness detection tool for a weighing sensor, which comprises a processor, a plurality of beams and a plurality of horizontal sliding rods, wherein the beams are arranged in parallel; fixing rods are vertically fixed at two ends of the cross beam respectively; the horizontal sliding rod is arranged between two adjacent cross beams in a sliding manner; a plurality of distance measuring cameras are arranged on the horizontal sliding rod in a sliding mode and used for measuring height parameters of the sensors; the distance measurement camera is connected with the processor through a communication device. The sensor can detect levelness and relative segment difference of multiple sensors, and is suitable for sensors with different specifications and different heights.
Description
Technical Field
The utility model belongs to the technical field of sensor levelness detection, and particularly relates to a levelness detection tool for a weighing sensor.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The existing electronic scale is mostly in a single weighing sensor weighing mode, a sensor carrier is a horizontal metal block, and the levelness can be guaranteed through machining. When there is the electronic scale of a plurality of sensors, need two or a plurality of weighing sensor to arrange at same parallel surface, because of the accumulation of processing and assembly tolerance, the relative levelness between two sensors can appear the segment difference, will cause when the segment difference exceeds certain specification and weigh inaccurately. In order to correct the horizontal level differences among the sensors, a tooling device is required to be manufactured for detecting and correcting levelness so as to solve the problem of inaccurate weighing caused by the current multi-sensor weighing horizontal level differences.
However, the existing levelness detection device is mostly used for placing products on a horizontal plane, and then levelness detection is carried out, so that the detection requirement that the surface of the sensor and the base of the test fixture are not on the same horizontal plane can not be met. In addition, the existing levelness detection device cannot be applied to sensors with different specifications and different heights.
SUMMERY OF THE UTILITY MODEL
The utility model provides a levelness detection tool for a weighing sensor, which is used for detecting levelness and relative segment difference of multiple sensors and is suitable for sensors with different specifications and different heights.
According to some embodiments, the utility model adopts the following technical scheme:
a levelness detection tool for a weighing sensor comprises a processor, a plurality of beams arranged in parallel and a plurality of horizontal sliding rods;
fixing rods are vertically fixed at two ends of the cross beam respectively;
the horizontal sliding rod is arranged between two adjacent cross beams in a sliding manner;
a plurality of distance measuring cameras are arranged on the horizontal sliding rod in a sliding mode and used for measuring height parameters of the sensors;
the distance measurement camera is connected with the processor through a communication device.
Furthermore, the device also comprises a base, and the bottom end of the fixed rod is fixedly connected to the upper surface of the base.
Furthermore, the fixing rod is a telescopic rod.
Further, the fixing rod comprises an outer tube and a convex inner tube;
the outer pipe is sleeved on the convex inner pipe;
a screw hole is formed in one side surface of the outer pipe and is used for being in threaded connection with a fixing rod fastening screw;
the outer tube has seted up the inner tube slide rail on the side opposite with the screw, the inner tube slide rail is with the bulge phase adaptation of type shape inner tube, the bulge of type shape inner tube sets up in the inner tube slide rail.
Furthermore, horizontal sliding rod sliding rails are arranged on the side faces of the cross beams, the horizontal sliding rod sliding rails of two adjacent cross beams are arranged oppositely, and two ends of each horizontal sliding rod extend into the horizontal sliding rod sliding rails.
Furthermore, a fastening screw slide rail is arranged on the top surface of the cross beam and communicated with the horizontal slide rail.
Further, the device also comprises a slide bar fastening screw;
screw holes are formed in two ends of the horizontal sliding rod;
the lower surface of the screw cap part of the slide bar fastening screw is in contact with the top surface of the cross beam, and the screw rod part penetrates through the fastening screw slide rail and extends into the screw hole of the horizontal slide bar.
Furthermore, the horizontal sliding rod is provided with a camera sliding rail;
the camera slide rail is internally provided with a camera slide block which is a convex slide block, and the narrow part of the convex slide block extends out of the camera slide rail and is fixedly connected with the distance measuring camera.
Furthermore, the device also comprises a camera fastening screw;
and the screw rod part of the camera fastening screw penetrates through the camera slide rail and is in threaded connection with the wide part of the convex-shaped slide block.
Further, the processor is connected with a display screen, and the display screen is used for displaying the height parameters of the sensor measured by the distance measuring camera.
Compared with the prior art, the utility model has the beneficial effects that:
the levelness detection tool for the weighing sensor can detect levelness and relative segment difference of multiple sensors, can adjust height, and is suitable for levelness measurement of multiple sensors with different specifications and heights.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic diagram of the overall structure of a load cell levelness detection tool of the present invention that does not include a flat test block;
FIG. 2 is a schematic view of the structure of a horizontal sliding bar of the present invention;
FIG. 3 is a schematic view of a distance measuring camera and a camera fastening screw according to the present invention;
FIG. 4 is a schematic view of a retaining bar construction of the present invention;
FIG. 5 is a schematic diagram of the overall structure of the load cell levelness detection tool of the present invention including a pure flat test block;
FIG. 6 is a single load cell of the present invention incorporating a single sensor;
fig. 7 is a dual load cell of the present invention comprising two sensors.
The device comprises a base, a first fixing rod, a second fixing rod, a third fixing rod, a fourth fixing rod, a first cross beam, a second cross beam, a pure plane testing block, a first distance measuring camera, a second distance measuring camera, a third distance measuring camera, a fourth distance measuring camera, a first horizontal sliding rod, a second horizontal sliding rod, a third horizontal sliding rod, a second horizontal sliding rod, a fastening screw and a third distance measuring camera, wherein the base is 1, the base is 2, the first fixing rod is 3, the second fixing rod is 4, the third fixing rod is 5, the fourth fixing rod is 6, the first cross beam is 7, the second cross beam is 8, the pure plane testing block is 9, the first distance measuring camera, the second distance measuring camera is 10, the second distance measuring camera, the third distance measuring camera is 11, the third distance measuring camera is 12, the fourth distance measuring camera, the first horizontal sliding rod, the second horizontal sliding rod is 14, the second horizontal sliding rod, 15 and the fastening screw.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be understood that when the term "comprising" is used in this specification it indicates the presence of the feature, step, operation, device, component and/or combination thereof.
In the present invention, terms such as "upper", "vertical", "horizontal", "upward", "downward", and the like indicate orientations or positional relationships based on the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present invention, and do not particularly indicate any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixed" and "fixed" should be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
This embodiment provides a weighing sensor levelness detects frock.
As shown in FIG. 1, a load cell levelness detection tool comprises: base 1, a plurality of dead lever, a plurality of parallel arrangement's crossbeam, pure flat test piece 8, a plurality of range finding cameras, a plurality of horizontal slide bar, treater and fastening screw 15. The fastening screw comprises a fixing rod fastening screw, a sliding rod fastening screw and a camera fastening screw.
The horizontal sliding rod is arranged between the two adjacent cross beams in a sliding mode. A plurality of distance measuring cameras are arranged on the horizontal sliding rod in a sliding mode and used for measuring height parameters of the sensors. The distance measurement camera is connected with the processor through the communication device. The two ends of the beam are respectively and vertically fixedly connected with a fixed rod. The bottom end of the fixed rod is fixedly connected to the upper surface of the base.
In one embodiment, the number of beams is two, including a first beam 6 and a second beam 7. At this time, the number of the fixing bars is four, including the first fixing bar 2, the second fixing bar 3, the third fixing bar 4, and the fourth fixing bar 5.
As an embodiment, the number of the horizontal sliding bars between two adjacent cross beams is two, including a first horizontal sliding bar 13 and a second horizontal sliding bar 14.
As an implementation mode, two distance measuring cameras are slidably arranged on each horizontal sliding rod, and a first distance measuring camera 9 and a second distance measuring camera 10 are mounted on the first horizontal sliding rod 13; and a third distance measuring camera 11 and a fourth distance measuring camera 12 are arranged on the second horizontal sliding rod 14.
Specifically, two ends of the bottom surface of the cross beam are respectively and fixedly connected with the top ends of the fixing rods.
As an implementation mode, a first fixing rod 2, a second fixing rod 3, a third fixing rod 4 and a fourth fixing rod 5 are fixedly installed at four corners of the upper surface of a base 1 clockwise, the middle of the first fixing rod 2 and the second fixing rod 3 is connected through a first cross beam 6, the middle of the third fixing rod 4 and the fourth fixing rod 5 is connected through a second cross beam 7, and a first horizontal sliding rod 13 and a second horizontal sliding rod 14 are installed between the first cross beam 6 and the second cross beam 7 and can move horizontally.
As an embodiment, the fixing rod is a telescopic rod. Specifically, the first fixing rod 2, the second fixing rod 3, the third fixing rod 4 and the fourth fixing rod 5 are all provided with telescopic structures, the corresponding heights can be adjusted, and the fixing rods are fixed through fixing rod fastening screws. As shown in fig. 4, the fixing rod includes an outer tube and a convex inner tube, the outer tube is sleeved on the convex inner tube, the cross section of the convex inner tube is convex, a screw hole is formed in one side surface of the outer tube and is used for being in threaded connection with a fixing rod fastening screw, an inner tube slide rail is formed in the side surface of the outer tube opposite to the screw hole, the inner tube slide rail is matched with the convex part of the convex inner tube, and the convex part of the convex inner tube is arranged in the inner tube slide rail. After the fixing rod fastening screw is screwed, the bottom of the screw rod of the fixing rod fastening screw is abutted against the outer surface of the inner tube.
As shown in fig. 2, the side surfaces of the beams are provided with horizontal sliding bar sliding rails, and the horizontal sliding bar sliding rails of two adjacent beams are oppositely provided. For example, the first horizontal sliding bar 13 and the second horizontal sliding bar 14 can move horizontally along the horizontal sliding bar sliding rails. The top surface of the crossbeam is provided with a fastening screw slide rail which is communicated with the horizontal slide bar slide rail. Screw holes are formed at two ends of the upper surface of the horizontal sliding rod; the lower surface of the screw cap part of the slide bar fastening screw is contacted with the top surface of the cross beam, and the screw rod part of the slide bar fastening screw penetrates through the fastening screw slide rail and extends into the screw hole of the horizontal slide bar. After the horizontal sliding rod slides to a proper position along the horizontal sliding rod sliding rail, the horizontal sliding rod is fixed by rotating the sliding rod fastening screw.
As shown in figure 3, the camera slide rail has been seted up on the horizontal sliding rod, and the slide rail cross section is well font, and well font slide rail shown in figure 3 divide into upper shed, mouth style of calligraphy part and under shed promptly, is provided with the camera slider in the camera slide rail, and the camera slider is type of protruding slider, and the wide portion of type of protruding slider sets up in the camera slide rail, and is concrete, in the type of mouth style of calligraphy part of font slide rail during the wide portion setting of type of protruding slider. The narrow part of the convex-shaped sliding block is fixedly connected with the ranging camera, specifically, the narrow part of the convex-shaped sliding block extends out of the lower opening of the middle-shaped sliding rail, and the lower surface of the narrow part of the convex-shaped sliding block is fixedly connected with the ranging camera. The upper surface of the wide portion of the convex-shaped sliding block is in threaded connection with the camera fastening screw, specifically, the outer surface of the wide portion of the convex-shaped sliding block is in contact with the inner surface of the square-shaped portion of the middle-shaped sliding rail, the upper portion of the convex-shaped sliding block is provided with a screw hole (not marked in the figure), and the screw rod portion of the camera fastening screw penetrates through the upper opening of the middle-shaped sliding rail, extends into the screw hole of the convex-shaped sliding block and is in threaded connection with the convex-shaped sliding block. After fastening, the lower surface of the nut part of the camera fastening screw is in contact with the top surface of the horizontal sliding rod.
As an embodiment, the first and second distance-measuring cameras 9 and 10 can freely move in the horizontal direction on the first horizontal sliding bar 13; the third and fourth distance-measuring cameras 11 and 12 can freely move on the second horizontal sliding rod 14 along the horizontal direction. The first distance measuring camera 9, the second distance measuring camera 10, the third distance measuring camera 11 and the fourth distance measuring camera 12 are all controlled by the processor.
The distance measurement cameras are connected with the processor through the communication device, and the processor is used for acquiring sensor height parameters measured by each distance measurement camera and calculating height difference. The processor is also connected with the alarm device and is used for controlling the alarm device to give an alarm when the height difference exceeds a set program value; the processor is connected with the display screen, and the display screen is used for displaying the sensor height parameters measured by all the distance measuring cameras.
As shown in fig. 5, the flat test block 8 is used for placing on the base 1 for ranging camera leveling.
During the use, at first, place pure flat test block 8 with standard height on base 1, remove four range finding cameras to pure flat test block on, mark the levelness of test block, first range finding camera 9, second range finding camera 10, third range finding camera 11 and fourth range finding camera 12 test the height on pure flat test block 8 surface respectively, test numerical value unanimity and indicate that the base is parallel with 4 range finding cameras, zero-set processing is carried out to 4 range finding cameras. The method comprises the following steps of placing a weighing sensor to be tested (which can be a single weighing sensor comprising a single sensor as shown in figure 6, a double weighing sensor comprising two sensors as shown in figure 7 or a multi-weighing sensor comprising a plurality of sensors) on a base, testing different point heights by a ranging camera, and adjusting the levelness of the sensors according to the height values to achieve the purpose of leveling.
Calibrating a single weighing sensor: the four testing cameras are used for respectively testing the heights of four corners A0, B0, C0 and D0 of the sensor, the 4 ranging cameras obtain four height values D1, D2, D3 and D4 and transmit the four height values to the processor, the display screen is controlled to display height parameters (D1, D2, D3 and D4) of the sensor measured by the 4 ranging cameras, and a user can know the height of the sensor; the processor calculates the extreme difference delta d (the maximum value minus the minimum value in the four height values) of the four height values as the height difference, the delta d is preferably less than or equal to 0.5mm, when the delta d is greater than 0.5mm, the processor controls the alarm to give an alarm, a user can know the minimum value point of the height of the sensor through the display, the height of the point is heightened to the delta d, the four points are tested again, and the delta d is checked to be less than or equal to 0.5 mm.
Calibration of double load cells or multiple load cells, taking double load cells as an example: calibrating each sensor according to a single sensor calibration method, and calibrating each sensor; the user moves the four distance measuring cameras and the first horizontal sliding bar and the second horizontal sliding bar, so that the four distance measuring cameras respectively test the height values of two midpoints (the midpoints of A1 and B1 of the first sensor, C1 and D1, the midpoints of A2 and B2 of the second sensor and the midpoints of C2 and D2) of each sensor in the double sensors as shown in FIG. 7, and transmit the height values to the processor, and the processor controls the display screen to display the height parameters of the sensors measured by the 4 distance measuring cameras; the processor calculates the polar difference delta d (the maximum value minus the minimum value in the four height values) of the four height values as the height difference, the delta d is preferably less than or equal to 0.5mm, when the delta d is greater than 0.5mm, the processor controls the alarm to give an alarm, a user can know the sensor with the low height in the two sensors through the display, and four corners of the sensor with the low height in the two sensors are respectively raised.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A levelness detection tool for a weighing sensor is characterized by comprising a processor, a plurality of beams arranged in parallel and a plurality of horizontal sliding rods;
fixing rods are vertically fixed at two ends of the cross beam respectively;
the horizontal sliding rod is arranged between two adjacent cross beams in a sliding manner;
a plurality of distance measuring cameras are arranged on the horizontal sliding rod in a sliding mode and used for measuring height parameters of the sensors;
the distance measurement camera is connected with the processor through a communication device.
2. The load cell levelness detection tool according to claim 1, further comprising a base, wherein the bottom ends of the fixing rods are fixedly connected to the upper surface of the base.
3. The load cell levelness detection tool according to claim 1, wherein the fixing rod is a telescopic rod.
4. The load cell levelness detection tool according to claim 1, wherein the fixing rod comprises an outer tube and an inner tube shaped like a Chinese character 'tu';
the outer pipe is sleeved on the convex inner pipe;
a screw hole is formed in one side surface of the outer pipe and is used for being in threaded connection with a fixing rod fastening screw;
the outer tube has seted up the inner tube slide rail on the side opposite with the screw, the inner tube slide rail is with the bulge phase adaptation of type shape inner tube, the bulge of type shape inner tube sets up in the inner tube slide rail.
5. The levelness detection tool for the weighing sensor according to claim 1, wherein horizontal sliding rod sliding rails are formed in the side faces of the cross beams, the horizontal sliding rod sliding rails of two adjacent cross beams are formed oppositely, and two ends of each horizontal sliding rod extend into the horizontal sliding rod sliding rails.
6. The load cell levelness detection tool according to claim 5, wherein a fastening screw slide rail is provided on a top surface of the cross beam, and the fastening screw slide rail is communicated with the horizontal slide rail.
7. The load cell levelness detection tool according to claim 6, further comprising a slide bar fastening screw;
screw holes are formed in two ends of the horizontal sliding rod;
the lower surface of the screw cap part of the slide bar fastening screw is in contact with the top surface of the cross beam, and the screw rod part penetrates through the fastening screw slide rail and extends into the screw hole of the horizontal slide bar.
8. The tool for detecting the levelness of the weighing sensor according to claim 1, wherein the horizontal sliding rod is provided with a camera sliding rail;
the camera slide rail is internally provided with a camera slide block which is a convex slide block, and the narrow part of the convex slide block extends out of the camera slide rail and is fixedly connected with the distance measuring camera.
9. The load cell levelness detection tool according to claim 8, further comprising a camera fastening screw;
and the screw rod part of the camera fastening screw penetrates through the camera slide rail and is in threaded connection with the wide part of the convex-shaped slide block.
10. The weighing sensor levelness detection tool according to claim 1, wherein the processor is connected with a display screen, and the display screen is used for displaying sensor height parameters measured by the distance measurement camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123173921.2U CN216410387U (en) | 2021-12-16 | 2021-12-16 | Levelness detection tool for weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123173921.2U CN216410387U (en) | 2021-12-16 | 2021-12-16 | Levelness detection tool for weighing sensor |
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| Publication Number | Publication Date |
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| CN216410387U true CN216410387U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123173921.2U Active CN216410387U (en) | 2021-12-16 | 2021-12-16 | Levelness detection tool for weighing sensor |
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| CN (1) | CN216410387U (en) |
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- 2021-12-16 CN CN202123173921.2U patent/CN216410387U/en active Active
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