CN109115315B - Weighing sensor test equipment - Google Patents
Weighing sensor test equipment Download PDFInfo
- Publication number
- CN109115315B CN109115315B CN201810907718.7A CN201810907718A CN109115315B CN 109115315 B CN109115315 B CN 109115315B CN 201810907718 A CN201810907718 A CN 201810907718A CN 109115315 B CN109115315 B CN 109115315B
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- weighing sensor
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- hole
- suspender
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- 238000005303 weighing Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G1/00—Weighing apparatus involving the use of a counterweight or other counterbalancing mass
- G01G1/02—Pendulum-weight apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G1/00—Weighing apparatus involving the use of a counterweight or other counterbalancing mass
- G01G1/02—Pendulum-weight apparatus
- G01G1/04—Pendulum-weight apparatus the pendulum having a fixed pivot axis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides weighing sensor testing equipment, which comprises an equipment platform; the loading and unloading device is fixed on the table top of the equipment table and is used for fixing the weighing sensor; the upper end of the suspender device is a closed frame, the lower end of the suspender device is a weight placing disc, one end of the weighing sensor is positioned in the closed frame, and the other end of the weighing sensor is fixed in the loading and unloading device; and the lifting device is detachably connected with the suspender device. In the test time, the lifting device descends the suspender device to enable the top of the closed frame to be in contact with the weighing sensor, and then the weighing sensor bears the weight of the suspender device alone, so that the invention solves the problem of the test efficiency of the weighing sensor, reduces manpower, has small machine size, has low manufacturing cost and is noiseless to operate; the weighing sensor can be rapidly assembled and disassembled by the assembling and disassembling device, so that the weighing sensor is easy to grasp, and the testing efficiency and the previous ratio are greatly improved.
Description
Technical Field
The invention relates to the field of production test of weighing sensors, in particular to weighing sensor test equipment.
Background
There are many types of weighing sensors, and in order to ensure the accuracy of weighing, each weighing sensor needs to be subjected to a weighing test before leaving the factory. Generally, a weighing sensor is assembled and disassembled by using an artificial tool, and then a weighing weight is hung below the weighing sensor or loaded on a tool scale pan manually, weighing data is given out by the weighing weight, and the weighing sensor is slower to test in the mode, time and labor are consumed, so that how to improve the testing efficiency is a technical problem to be solved by a person skilled in the art.
Disclosure of Invention
The invention provides a weighing sensor testing device which only needs to load a weighing sensor manually, and the rest is tested by a machine, so that the problems are solved.
To achieve the above object, the present invention provides a load cell testing apparatus, comprising
An equipment stand;
the loading and unloading device is fixed on the table top of the equipment table and used for fixing the weighing sensor, and the weighing sensor fixed on the loading and unloading device extends out of the equipment table;
the hanging rod device is vertically arranged on one side of the equipment platform loading and unloading device, the upper end of the hanging rod device is a closed frame, the lower end of the hanging rod device is a weight placing disc, one end of the weighing sensor is positioned in the closed frame, and the other end of the weighing sensor is fixed in the loading and unloading device;
and the lifting device is fixed above the suspender device and is detachably connected with the suspender device.
Preferably, the loading and unloading device comprises a base fixed on the table surface of the equipment table, a fixed frame formed by extending upwards from the base, and a cushion block between the fixed frames, and the weighing sensor is fixed between the cushion block and the base.
Preferably, a bolt is arranged between the top of the fixed frame and the cushion block, a nut at the top of the bolt is positioned on one surface, far away from the cushion block, of the top of the fixed frame, and the bottom of the bolt is fixed with the cushion block.
Preferably, a main body frame is also provided, the main body frame is also in a closed shape and extends upwards from the table top of the equipment table, and the lifting device is fixed at the top of the main body frame.
Preferably, the lifting device is a telescopic rod, the telescopic direction is vertical, and the telescopic rod is connected with a driving device and used for driving telescopic movement of the telescopic rod.
Preferably, a disengager is provided between the lifting device and the boom device so that the lifting device no longer bears the weight of the boom device when the lifting device is lowered into contact with the closed frame and the load cell.
Preferably, the separator comprises a hollow cylinder, a through hole is arranged at the bottom of the hollow cylinder, a tip is formed at the end part of the top of the closed frame, which extends upwards through the through hole, and the maximum width of the tip is larger than the minimum width of the through hole.
Preferably, the through hole is an inverted conical hole, and the end is an inverted conical end matched with the shape of the tapered hole.
Preferably, the through hole is a semicircular hole, and the end head is a spherical end head with the radius equal to the inner diameter of the semicircular hole.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a weighing sensor testing device, which comprises
An equipment stand;
the loading and unloading device is fixed on the table top of the equipment table and used for fixing the weighing sensor, and the weighing sensor fixed on the loading and unloading device extends out of the equipment table;
the hanging rod device is vertically arranged on one side of the equipment platform loading and unloading device, the upper end of the hanging rod device is a closed frame, the lower end of the hanging rod device is a weight placing disc, one end of the weighing sensor is positioned in the closed frame, and the other end of the weighing sensor is fixed in the loading and unloading device;
and the lifting device is fixed above the suspender device and is detachably connected with the suspender device. At the test time, the lifting device descends the boom device so that the top of the closed frame is in contact with the load cell, and then the load cell independently bears the weight of the boom device, so that the load cell test equipment provided by the invention has the following advantages:
1. the invention solves the problem of the testing efficiency of the weighing sensor, reduces the manpower, has small machine size, low manufacturing cost and no noise in operation.
2. The weighing sensor is only required to be quickly assembled and disassembled by the assembling and disassembling device, can be operated by men and women, is easy to grasp, has the testing efficiency which is higher than that of the previous weighing sensor by more than 2.5 times, and can be operated by one person at the same time.
3. After the device provided by the invention is adopted, more than 480 people can be tested each day, 3 people are saved, operators can easily work, and the efficiency is greatly improved.
Drawings
FIGS. 1 and 2 are schematic diagrams of a weighing sensor testing apparatus according to the present invention;
fig. 3 is an enlarged view of the decoupler of fig. 1 and 2.
The figure shows: 100-equipment platform, 110-main body frame, 200-loading and unloading device, 210-base, 220-fixed frame, 230-cushion block, 240-bolt, 300-lifting device, 310-telescopic rod, 320-fixed block, 330-fixed screw, 400-detacher, 410-connecting device, 420-hollow cylinder, 500-suspender device, 510-closed frame, 520-end, 530-weight placing disc, 600-weighing sensor and 700-controller.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in FIGS. 1-3, the present invention provides a load cell testing apparatus, comprising
A device table 100, a loading and unloading device 200 fixed near the side of the device table 100, a boom device 500 vertically arranged on the side of the device table 100 near the loading and unloading device 200, and a lifting device 300 fixed above the boom device 500.
Specifically:
the equipment station 100 is a square table in this embodiment, and thus has four sides on the table top.
The handling device 200 is disposed on one side near the middle, and if the square table is rectangular, the handling device 200 is fixed on the long side, and the distance between the handling device 200 and the long side is smaller than the length of the weighing sensor 600, so that the weighing sensor 600 fixed on the handling device 200 extends out of the equipment stand 100, and in this embodiment, the weighing sensor 600 is an elongated aluminum alloy sensor.
The handling device 200 specifically comprises a base 210 fixed on the table top of the equipment platform 100, a fixed frame 220 formed by extending upwards from the base 210, and a cushion block 230 between the fixed frames 220, wherein the load cell 600 is fixed between the cushion block 230 and the base 210; the fixing frame 220 is a square frame, a screw hole is formed in the top plate of the fixing frame, a bolt 240 with the bottom end fixed to the cushion block 230 is shuttled into the screw hole, and a nut at the top of the fixing frame is located at the outer side of the top plate, namely, the side far away from the cushion block 230.
Thus, when the load cell 600 is installed, it is only required to place it under the pad 230, and then rotate the bolt 240 such that the pad 230 is downward until it presses the load cell 600 such that the load cell 600 is fixed between the pad 230 and the base 210.
The boom device 500 is vertically arranged, and is provided with an end 520, a closed frame 510 and a weight placing disc 530 from top to bottom, wherein the end 520 is matched with the detacher 400 through a metal rod, and the detailed description is omitted herein; the closed frame 510 is a square frame in the present embodiment, and may be an annular frame in another embodiment, the load cell 600 extends into the closed frame 510, and in the non-testing state, the load cell 600 does not touch the closed frame 510 or contact the bottom of the closed frame 510; only in the test state, the boom apparatus 500 is driven downward by the telescopic rod 310 of the lifting apparatus 300 until the entire weight of the boom apparatus 500 is borne by the load cell 600 after the top of the closed frame 510 contacts the load cell 600.
The lifting device 300 is fixed above the boom device 500 and is detachably connected with the boom device 500. In the non-test state, the weight of the boom apparatus 500 is carried by the lifting apparatus 300 and drives the boom apparatus 500 up and down. In order to fix the lifting device 300, a main body frame 110 is disposed on the table top of the equipment platform 100, the main body frame 110 is two mutually perpendicular rectangular frames in this embodiment, three sides of the frame of the horizontal portion are all fixed on the equipment platform 100, the frame of the vertical portion extends upwards from the equipment platform 100, that is to say is vertically fixed on the equipment platform 100, and a hole is formed in the center of the top edge of the frame of the vertical portion; the lifting device 300 comprises a telescopic rod 310, a fixed block 320 which is positioned above the telescopic rod 310 and fixedly connected with the telescopic rod 310, and a fixed screw 330 which is positioned above the fixed block 320 and fixedly connected with the fixed block 320, wherein the fixed screw 330 is fixed in a hole in the center of the top edge of the frame of the vertical part.
The telescopic rod 310 is further connected with a driving device (not shown) and a controller 700 in sequence, the controller 700 is used for controlling the driving device to work, the driving device is used for driving the telescopic rod 310 to stretch and retract, the controller 700 and the driving device can be fixed on the main body frame 110, the controller 700 can be provided with a button, an operator presses the button, and the controller 700 is started, so that the driving device is started.
The lifting device 300 and the boom device 500 are fixedly provided with a separator 400, the separator 400 comprises a connecting device 410 fixedly connected with the bottom end of the telescopic rod 310 from top to bottom, and a hollow cylinder 420 fixedly arranged below the connecting device 410, the hollow cylinder 420 is composed of two bottoms, the two bottoms are connected through two side columns, or the hollow cylinder 420 is provided with at least two observation windows on the circumferential surface of the cylinder; a through hole (not shown) is provided near the bottom center of the boom apparatus 500, and the tip 520 of the boom apparatus 500 is located in the hollow cylinder 420 at the end of the closed frame 510 where the metal rod extending upward from the top edge passes through the through hole. The shape of the through-hole and the tip 520 are matched such that the tip 520 cannot pass through the through-hole, but the boom apparatus 500 is moved upward while the hollow cylinder 420 is kept stationary, and the tip 520 can be moved out of the through-hole.
In order to achieve the above-mentioned functions, the shapes of the tip 520 and the through hole are various, in this embodiment, the through hole may be formed in an inverted cone shape, that is, the hole wall forms an inverted truncated cone shape, the tip 520 is in an inverted cone shape matching the shape thereof, and the opening at the bottom of the through hole is greater than or equal to the outer diameter of the metal rod between the tip 520 and the closed frame 510.
In the non-test state, the load cell 600 does not touch the closed frame 510 or the bottom of the closed frame 510; in the test state, after weights are placed on the weight placing plate 530, the controller 700 controls the driving device to drive the lifting device 300 to descend, namely, drives the telescopic rod 310 to extend, drives the boom device 500 to descend until the top edge of the closed frame 510 descends to be in contact with the weighing sensor 600, which prevents the closed frame 510 from continuing to descend, at the moment, the hollow cylinder 420 continues to descend, the end head 520 is kept stationary, the end head 520 is separated from a through hole at the bottom of the hollow cylinder 420, and then the weighing sensor 600 independently bears the combined weight of the whole boom device 500 and the weights; after the test is finished, the weight is taken away, the controller 700 is started, the driving device drives the telescopic rod 310 to shrink, at the moment, the end head 520 is firstly static, the hollow cylinder 420 is driven to ascend by the telescopic rod 310 until the end head 520 contacts with the through hole and fills the through hole, the hollow cylinder 420 drives the end head 520 to ascend, and accordingly the whole boom device 500 is driven to ascend, the weighing sensor 600 is not loaded any more, and the weighing sensor 600 can be unloaded.
In summary, the weighing sensor testing device provided by the invention has the following advantages:
1. the invention solves the problem of the test efficiency of the weighing sensor 600, reduces the manpower, has small machine size, low manufacturing cost and no noise in operation.
2. The weighing sensor 600 can be quickly assembled and disassembled by the assembling and disassembling device 200, can be operated by both men and women, is easy to grasp, has the testing efficiency which is 2.5 times higher than that of the prior art, and can be operated by one person at the same time.
3. After the device provided by the invention is adopted, more than 480 people can be tested each day, 3 people are saved, operators can easily work, and the efficiency is greatly improved.
Example two
The difference between this embodiment and the first embodiment is that the tip 520 is in a spherical shape, the inner wall of the through hole is a hemispherical hole with the maximum inner diameter equal to the spherical outer diameter of the tip 520, and the diameter of the bottom opening of the through hole is greater than or equal to the outer diameter of the metal rod between the tip 520 and the closed frame 510.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. The present invention is intended to include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (1)
1. A load cell testing apparatus comprising
An equipment stand;
the loading and unloading device is fixed on the table top of the equipment table and is used for fixing the weighing sensor;
the hanging rod device is vertically arranged on one side of the equipment platform loading and unloading device, the upper end of the hanging rod device is a closed frame, the lower end of the hanging rod device is a weight placing disc, one end of the weighing sensor is positioned in the closed frame, and the other end of the weighing sensor is fixed in the loading and unloading device;
the lifting device is fixed above the suspender device and is detachably connected with the suspender device;
the main body frame is also in a closed shape and extends upwards from the table top of the equipment table, and the lifting device is fixed at the top of the main body frame;
the loading and unloading device comprises a base fixed on the table top of the equipment table, a fixed frame formed by extending upwards from the base, and a cushion block between the fixed frames, wherein the weighing sensor is fixed between the cushion block and the base; a bolt is arranged between the top of the fixed frame and the cushion block, a nut at the top of the bolt is positioned on one surface of the top of the fixed frame, which is far away from the cushion block, and the bottom of the bolt is fixed with the cushion block;
the lifting device is a telescopic rod, the telescopic direction is vertical, and the telescopic rod is connected with a driving device and used for driving the telescopic rod to move in a telescopic way;
a disengager is arranged between the lifting device and the suspender device, so that the lifting device does not bear the weight of the suspender device when the lifting device descends to the contact of the closed frame and the weighing sensor; the separator comprises a hollow cylinder, a through hole is formed in the bottom of the hollow cylinder, a tip is formed at the end part of the top of the closed frame, which extends upwards to penetrate through the through hole, and the maximum width of the tip is larger than the minimum width of the through hole; the through hole is an inverted cone-shaped hole, and the end head is an inverted cone-shaped end head matched with the inverted cone-shaped hole in shape; the through holes are semicircular holes, and the end heads are spherical end heads with the radius equal to the inner diameter of the semicircular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907718.7A CN109115315B (en) | 2018-08-10 | 2018-08-10 | Weighing sensor test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907718.7A CN109115315B (en) | 2018-08-10 | 2018-08-10 | Weighing sensor test equipment |
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| Publication Number | Publication Date |
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| CN109115315A CN109115315A (en) | 2019-01-01 |
| CN109115315B true CN109115315B (en) | 2023-09-29 |
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| CN201810907718.7A Active CN109115315B (en) | 2018-08-10 | 2018-08-10 | Weighing sensor test equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715531B (en) * | 2020-07-21 | 2022-02-18 | 海口海关技术中心 | Portable customs quick sample-separating structure capable of swinging and adjusting channel on site |
| CN114674406A (en) * | 2022-03-21 | 2022-06-28 | 中铁电气化局集团有限公司 | Digital and intelligent counterweight device for electrified railway compensating falling weight factory |
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