CN216815737U

CN216815737U - Small-range weighing module

Info

Publication number: CN216815737U
Application number: CN202220233040.0U
Authority: CN
Inventors: 巩伦庆; 董威; 路新科; 曹超; 陈立鹏; 刘峰; 雷磊; 周阳; 王瑞林; 方佳毅
Original assignee: Avic Testing Instrument Xi'an Co ltd
Current assignee: Avic Testing Instrument Xi'an Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-24
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a small-range weighing module, which comprises an upper top plate, a weighing sensor, a sensor cushion block and a lower bottom plate, wherein the upper top plate is arranged on the upper top plate; the sensor cushion block is arranged on the lower bottom plate, and the fixed end of the weighing sensor is arranged on the sensor cushion block; the upper top plate is arranged on the lower bottom plate in a clearance mode, the upper top plate comprises two flat plates arranged at horizontal intervals and two vertical plates arranged at vertical intervals, the two flat plates and the two vertical plates are welded and fixed, a rectangular space is formed by the middle flat plates and the two vertical plates in a surrounding mode, the loaded end of the weighing sensor is located in the rectangular space, a rocker arm rod is arranged on the top face of the loaded end of the weighing sensor, and the top end of the rocker arm rod is in contact with the bottom face of the flat plate above the rocker arm rod. The structure that can bear great load in the vertical direction improves the security.

Description

Small-range weighing module

Technical Field

The utility model belongs to the field of weighing sensors, and relates to a small-range weighing module.

Background

In industries such as fine chemical engineering and new energy lithium battery, a large number of chemical reaction tanks exist, and the charging tanks are greatly different from the charging tanks in petrochemical engineering and coating chemical engineering in that the volume and the capacity of the charging tanks are smaller, and the precise batching and reaction are generally realized by 1-10 ton small-range charging tanks. Therefore, the weighing precision requirement in the fine chemical industry and the new energy lithium battery industry is higher, and the shearing beam structure sensor is used for weighing and measuring due to the inherent property of high structure precision, so that the material tank is mainly provided with the shearing beam structure sensor. In addition to the weighing module itself having a higher weighing accuracy, the weighing module should also have an excellent structure to ensure that the weighing accuracy of the sensor is exerted to the optimum, wherein the rocker arm structure is a structure with excellent force transmission and is widely used in the industry.

Under the unusual operating mode such as a certain sensor that appears breaking in material jar below, impact load in the twinkling of an eye can appear, and the current application shear beam formula sensor weighing module structure is not enough to bear great impact load, and the security performance is poor, but the sensor breaks, causes the secondary accident easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a small-range weighing module which can bear a structure with a larger load in the vertical direction and improve the safety.

In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:

a small-range weighing module comprises an upper top plate, a weighing sensor, a sensor cushion block and a lower bottom plate;

the sensor cushion block is arranged on the lower bottom plate, and the fixed end of the weighing sensor is arranged on the sensor cushion block; the upper top plate is arranged on the lower bottom plate in a clearance mode, the upper top plate comprises two flat plates and two vertical plates, the two flat plates and the two vertical plates are arranged at intervals in a horizontal mode and are welded and fixed, a rectangular space is formed by the two flat plates and the two vertical plates in a surrounding mode, a load bearing end of the weighing sensor is located in the rectangular space, a rocker arm rod is arranged on the top face of the load bearing end of the weighing sensor, and the top end of the rocker arm rod is in contact with the bottom face of the flat plate above the rocker arm rod.

Preferably, a circular groove is formed in the top surface of the load bearing end of the weighing sensor, and the bottom end of the rocker arm rod is located in the circular groove.

Preferably, a rubber sleeve is arranged between the weighing sensor and the rocker arm rod, and the rocker arm rod is wrapped by the rubber sleeve.

Preferably, an upper pressure head is arranged between the rocker arm rod and the flat plate above the upper top plate.

Preferably, the flat plate of the upper top plate below is provided with a plurality of through holes, the lower bottom plate is provided with threaded holes at positions corresponding to the through holes, the threaded holes are internally threaded with overturn-preventing bolts, and the overturn-preventing bolts penetrate through the through holes.

Furthermore, the outer wall of the screw part of the overturn-preventing bolt is arranged in a gap with the inner wall of the through hole.

Further, the screw rod position of the overturn-preventing bolt is nested with a sleeve, the bottom of the sleeve is in contact with the top surface of the lower bottom plate, and a gasket is arranged between the bolt head of the overturn-preventing bolt and the top of the sleeve.

Further, a base plate is arranged between the upper top plate and the lower bottom plate, a U-shaped groove is formed in the base plate, and the screw rod part of the anti-overturning bolt is inserted into the U-shaped groove.

Preferably, the lower bottom plate is provided with a hexagonal stud, the top of the hexagonal stud is connected with one end of a horizontal stable pull rod, and the other end of the horizontal stable pull rod is connected with the vertical plate of the upper top plate.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, a double-I-shaped structure is formed by two flat plates horizontally arranged at intervals and two vertical plates vertically arranged at intervals on the upper top plate, and the structure adopts a welding mode to form a rigid structural member, so that a larger load can be borne in the vertical direction, a strong support can be rapidly provided when the weighing sensor is broken, and the overturning risk of the charging bucket is reduced.

Furthermore, the rocker arm rod is wrapped by the rubber sleeve, so that the situation that sundries such as dust, particles and liquid fall into the stress groove of the sensor to influence the weighing precision is prevented.

Further, the screw rod part of the anti-overturning bolt penetrates through the lower end flat plate of the upper top plate, the bolt head is positioned on the flat plate, and when the charging bucket is lifted and overturned, the anti-overturning bolt can provide large pulling force and large bending moment load.

Further, the horizontal stable pull rod can limit the shaking in the horizontal direction, and the stability of the weighing module in the using process is guaranteed.

Drawings

FIG. 1 is a cross-sectional view of a small-scale weighing module of the present invention;

FIG. 2 is an exploded view of the small-scale weighing module of the present invention;

FIG. 3 is a front elevation view of the small-scale weighing module of the present invention;

FIG. 4 is a side view of the small-scale weighing module of the present invention;

FIG. 5 is a top view of the small scale weighing module of the present invention.

Wherein: 1. the device comprises an upper top plate, 2 parts of an upper pressure head, 3 parts of a rocker arm rod, 4 parts of an anti-overturning bolt, 5 parts of a rubber sleeve, 6 parts of a gasket, 7 parts of a sleeve, 8 parts of a cushion block, 9 parts of a cushion plate, 10 parts of a lower bottom plate, 11 parts of a bolt, 12 parts of a horizontal stable pull rod, 13 parts of a sensor cushion block, 14 parts of a hexagonal stud, 15 parts of a weighing sensor and 16 parts of a fixing bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

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. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-5, the small-range weighing module according to the present invention comprises an upper top plate 1, a load cell 15, a sensor pad 13, an anti-overturn bolt 4, and a lower bottom plate 10.

Go up roof 1 and include the flat board that two horizontal intervals set up and the riser that two vertical intervals set up, two flat boards and two riser welded fastening, the centre encloses into the rectangle space, go up roof 1 and be two duplex style of calligraphy structural components that form by two flat boards and two riser welding, under unusual operating mode such as the fracture appears in certain sensor in material jar below, shock load in the twinkling of an eye can appear, this structure is ensured to provide powerful support when weighing sensor breaks rapidly, reduces the material jar risk of toppling.

A weighing sensor 15 is fixed on the lower bottom plate 10 through a fixing bolt 16, a sensor cushion block 13 is arranged between the weighing sensor 15 and the lower bottom plate 10, so that the weighing sensor 15 and the lower bottom plate 10 have a certain space, the weighing sensor 15 is arranged in a double-square-shaped cavity of the upper top plate 1, and a certain gap is kept between the weighing sensor 15 and the two vertical plates.

The upper end surface of the upper pressure head 2 is arranged in a processed circular groove of the upper top plate 1, one end of the rocker arm rod 3 is arranged in a processed circular groove of the lower end surface of the upper pressure head 2, and the other end of the rocker arm rod is arranged in a processed circular groove of a load bearing end of the weighing sensor 15, so that load transmission is realized; be provided with rubber sleeve 5 between weighing sensor 15 and the rocking arm pole 3, rubber sleeve 5 wraps up rocking arm pole 3 and last pressure head 2, prevents debris such as dust, granule, liquid from falling into in the sensor atress recess, influence the precision of weighing.

The two ends of the rocker arm rod 3 are spherical surfaces, and the upper top plate 1 effectively and nondestructively transmits the load force to the load bearing end of the weighing sensor 15 through the rocker arm rod 3 structure with the two ends being spherical surfaces.

The flat plate of going up roof 1 below and being located is provided with a plurality of through-holes, and through-hole quantity is two in this embodiment, and the symmetry sets up, and lower plate 10 is provided with the screw hole in the through-hole corresponding position, and anti-overturning bolt 4 passes and goes up screw hole cooperation and be connected on 1 both sides through-hole of upper roof and the lower plate 10.

Two overturn-preventing bolts 4 are arranged in bilateral symmetry with the weighing sensor 15 as the center, the screw rods of the overturn-preventing bolts penetrate through the lower end flat plate of the upper top plate 1, the bolt heads are positioned on the flat plate, and when the charging bucket is lifted and overturned, the two overturn-preventing bolts 4 can provide large tensile force and large bending moment load.

The screw rod position of the anti-overturning bolt 4 is nested with a sleeve 7, the bottom of the sleeve 7 is in contact with the top surface of a lower bottom plate 10, a gasket 6 is arranged between the bolt head of the anti-overturning bolt 4 and the top of the sleeve 7, a cushion block 8 is arranged between the gasket 6 and the flat top surface of the lower end of an upper top plate 1, and a U-shaped groove is arranged on the end surface of the cushion block 8 and is inserted outside the sleeve 7. The outer wall of the sleeve 7 is arranged in clearance with the inner wall of the through hole.

The lower bottom plate 10 is provided with a hexagonal stud 14, the horizontal stabilizing pull rod 12 is formed by connecting two knuckle bearings and an internal thread screw, one end of the horizontal stabilizing pull rod penetrates through the inner hole of the knuckle bearing by a bolt 11 and is fixed on the hexagonal stud 14, and the other end of the horizontal stabilizing pull rod is connected with a vertical plate threaded hole of the upper top plate 1 by the bolt 11.

Be provided with backing plate 9 between upper plate 1 and the lower plate 10, be provided with U type groove on the backing plate 9, the screw rod position of preventing the bolt 4 that topples is inserted in U type groove, conveniently takes out, prevents that the bolt 4 that topples is fastened the back, and backing plate 9 is extruded fixedly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicants be construed as having contemplated such subject matter as being part of the disclosed subject matter.

Claims

1. A small-range weighing module is characterized by comprising an upper top plate (1), a weighing sensor (15), a sensor cushion block (13) and a lower bottom plate (10);

the sensor cushion block (13) is arranged on the lower bottom plate (10), and the fixed end of the weighing sensor (15) is arranged on the sensor cushion block (13); go up roof (1) clearance setting on lower plate (10), go up roof (1) and include two flat boards that horizontal interval set up and two risers that vertical interval set up, two flat boards and two risers welded fastening enclose into the rectangle space in the middle of, the load-bearing end of weighing sensor (15) is arranged in the rectangle space, is provided with rocking arm pole (3) on the top surface of load-bearing end of weighing sensor (15), the dull and stereotyped bottom surface contact of rocking arm pole (3) top and top.

2. The small-scale weighing module according to claim 1, characterized in that the load-bearing end of the load cell (15) is provided with a circular recess in the top surface thereof, in which the bottom end of the rocker arm lever (3) is located.

3. The small-scale weighing module of claim 1, wherein a rubber sleeve (5) is arranged between the weighing sensor (15) and the rocker arm lever (3), and the rubber sleeve (5) wraps the rocker arm lever (3).

4. The small-scale weighing module according to claim 1, characterized in that an upper pressure head (2) is arranged between the rocker lever (3) and the plate above the upper top plate (1).

5. The small-range weighing module according to claim 1, characterized in that a plurality of through holes are arranged on the flat plate below the upper top plate (1), the lower bottom plate (10) is provided with threaded holes at positions corresponding to the through holes, the threaded holes are internally threaded with anti-overturning bolts (4), and the anti-overturning bolts (4) are arranged through the through holes.

6. The small-range weighing module according to claim 5, wherein the outer wall of the screw part of the overturn-preventing bolt (4) is arranged in a gap with the inner wall of the through hole.

7. The small-range weighing module according to claim 5, characterized in that a sleeve (7) is nested in a screw part of the overturn-preventing bolt (4), the bottom of the sleeve (7) is in contact with the top surface of the lower bottom plate (10), and a gasket (6) is arranged between the bolt head of the overturn-preventing bolt (4) and the top of the sleeve (7).

8. The small-range weighing module according to claim 5, characterized in that a backing plate (9) is arranged between the upper top plate (1) and the lower bottom plate (10), and a U-shaped groove is arranged on the backing plate (9) and is inserted into the screw part of the anti-overturning bolt (4).

9. The small-range weighing module according to claim 1, characterized in that a hexagonal stud (14) is arranged on the lower bottom plate (10), one end of a water stabilizing pull rod (12) is connected to the top of the hexagonal stud (14), and the other end of the water stabilizing pull rod (12) is connected to a vertical plate of the upper top plate (1).