CN220893568U - Column type weighing module and weighing system - Google Patents

Abstract

The utility model relates to a column type weighing module, which comprises a pressing plate assembly, an adjusting assembly, a column type sensor assembly and a bottom plate assembly, wherein the pressing plate assembly comprises an upper pressing plate and U-shaped structure adjusting frames fixed on two opposite sides of the upper pressing plate, and the adjusting frames are provided with penetrating adjusting holes; the adjusting component is arranged on the bottom plate component and supports the pressing plate component, the adjusting component penetrates through the adjusting hole, the adjusting component penetrates through a limiting space formed by welding and fixing the upper pressing plate and the adjusting frame, and the size of the adjusting component in the limiting space is larger than the aperture of the adjusting hole. The adjusting component can limit the displacement of the pressing plate component in the vertical direction and the horizontal direction, and prevent the column type weighing module from being laterally deviated and twisted, so that the weighing precision is ensured. In addition, the adjustment assembly may also define an upper limit for the column sensor weight, as well as two advantages for facilitating sensor removal.

Description

Column type weighing module and weighing system

Technical Field

The utility model relates to the technical field of weighing sensors, in particular to a column type weighing module and a weighing system.

Background

The column type weighing sensor is widely applied to electronic weighing equipment with wide measuring ranges such as various truck scales, rail scales, charging bucket scales, reaction kettles and the like. The principle is that the column type weighing sensor receives pressure in the vertical direction, and after the internal strain gauge is physically deformed, an output electric signal is transmitted to a weighing instrument to obtain weighing weight. However, such wide-range weighing devices are often disposed in complex environments such as roads and chemical production workshops, and the column type weighing sensor is located below the object to be weighed, and the sensor is susceptible to external influences such as vibration and lateral force, and may undergo cornering and torsion, resulting in reduced weighing accuracy. To overcome the problem of the column type weighing sensor that is relatively weak in terms of interference resistance and lateral force, in practical applications, column type weighing sensors are often installed in a weighing system in a modularized form. For example, chinese patent CN106338329B discloses an anti-tilting weighing module that uses a limit sleeve and a high-elastic rubber sleeve to prevent the swing of the column sensor. However, the column sensor should be convenient to install and maintain in addition to the function of resisting lateral deviation, and thus improvement is required.

Disclosure of utility model

In order to overcome the problems in the related art, the embodiment of the utility model provides a column type weighing module and a weighing system, which are used for solving the technical problems of interference resistance and weak lateral force of a column type weighing sensor.

According to a first aspect of an embodiment of the present utility model, there is provided a column type weighing module, the column type weighing module includes a bottom plate assembly and a pressing plate assembly which are oppositely disposed, and a column type sensor assembly which is mounted on the bottom plate assembly and supports the pressing plate assembly, wherein the pressing plate assembly includes an upper pressing plate and adjusting frames which are fixed on two opposite sides of the upper pressing plate, the adjusting frames are bent to form a U-shaped structure, the upper pressing plate and the adjusting frames are welded and fixed to form a limiting space, and the adjusting frames are provided with penetrating adjusting holes; the column type weighing module further comprises an adjusting component connected to the bottom plate component, the adjusting component penetrates through the adjusting hole, and the size of the adjusting component located in the limiting space is larger than the aperture of the adjusting hole.

In an embodiment, the adjusting assembly comprises an adjusting stud, an upper gasket and an upper nut, wherein the upper gasket and the upper nut are sleeved on the adjusting stud, the upper gasket and the upper nut are located in the limiting space, the adjusting stud penetrates through the adjusting hole, the upper nut is in threaded connection with the adjusting stud, and the upper gasket is limited between the upper nut and the adjusting frame.

In an embodiment, the adjusting assembly further comprises a lower gasket and a lower nut sleeved on the adjusting stud, and the lower gasket is limited between the lower nut and the adjusting frame.

In an embodiment, the column type weighing module further comprises two groups of balance components connected with the bottom plate component and the pressing plate component, and the two groups of balance components are distributed on two sides of the adjusting frame.

In an embodiment, the balance assembly comprises a lower connecting plate, an upper connecting plate and a balance plate, wherein the lower connecting plate is fixed on the bottom plate assembly and protrudes towards the direction of the pressing plate assembly, the upper connecting plate is fixed on the pressing plate assembly and protrudes towards the direction of the bottom plate assembly, and the balance plate can be detachably connected with the lower connecting plate and the upper connecting plate.

In an embodiment, the balance plate comprises a horizontal portion, a first bending portion and a second bending portion, wherein the first bending portion and the second bending portion are distributed at two ends of the horizontal portion and are bent back to each other, the first bending portion is locked to the upper connecting plate through a fastening piece, and the second bending portion is locked to the lower connecting plate through a fastening piece.

In one embodiment, the column type sensor assembly comprises a sensor body and an upper pressure head movably pressed on the sensor body, and the upper pressure head is inserted into the pressure plate assembly.

In one embodiment, the ratio of the height of the upper ram to the height of the sensor body is K, wherein K is 0.5.ltoreq.1.

In an embodiment, the base plate assembly is provided with at least three positioning posts, the peripheral walls of which define the column sensor assembly.

According to a second aspect of the embodiment of the present utility model, there is provided a weighing system, which is characterized by comprising a weighing instrument and the column type weighing modules, wherein the column type weighing modules are provided with three or more, and the column type weighing modules are in communication connection with the weighing instrument.

The technical scheme provided by the embodiment of the utility model can comprise the following beneficial effects:

The cooperation between adjusting part and the alignment jig can effectively inject the displacement of vertical direction and the horizontal direction of top board, prevents that vertical weighing module from taking place the sideslip, improves the degree of accuracy of weighing. The balance assembly firmly connects the pressing plate assembly and the bottom plate assembly to form a stable frame structure, so that the adjusting assembly and the sensor assembly can be prevented from being damaged by external force, and the module is convenient to mount during transportation. In addition, the adjusting component can limit the upper weighing limit of the column type sensor, and the sensor is prevented from being damaged by the overranging of the weighed object. The adjusting component lifts and supports the upper pressing plate, after the upper pressing plate is separated from the sensor component, the weighing module can be removed, and the sensor component is taken out independently, so that the sensor is convenient to maintain or replace.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic view of a column-type weighing module according to an exemplary embodiment.

Fig. 2 is an exploded view of a pillar weighing module shown according to an exemplary embodiment.

Fig. 3 is a side view of a pillar weighing module shown according to an exemplary embodiment.

Fig. 4 is another side view of a pillar weighing module shown according to an exemplary embodiment.

Fig. 5 is a schematic cross-sectional structural view of a pillar type weighing module shown according to an exemplary embodiment.

In the figure, a base plate assembly 1; a platen assembly 2; an upper platen 21; positioning holes 211; an adjusting frame 22; an adjustment hole 221; a column sensor assembly 3; a sensor body 31; an upper ram 32; a positioning block 321; an adjustment assembly 4; adjusting the stud 41; an upper pad 42; an upper nut 43; a lower spacer 44; a lower nut 45; a balancing assembly 5; a lower connection plate 51; an upper connection plate 52; a balance plate 53; a first bending portion 531; a second bent portion 532; a horizontal portion 533; a fastener 54; and a positioning column 6.

Detailed Description

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 5, the present utility model provides a column type weighing module comprising, from top to bottom, a platen assembly 2, a column sensor assembly 3 and a base plate assembly 1. The pressing plate assembly 2 comprises an upper pressing plate 21 and two U-shaped adjusting frames 22, wherein the two adjusting frames 22 are respectively welded and fixed on two opposite sides of the bottom edge of the upper pressing plate 21, the middle of each adjusting frame 22 is provided with a penetrating adjusting hole 221, and the upper pressing plate 21 and the adjusting frames 22 form a limiting space.

The bottom plate subassembly 1 sets up with clamp plate subassembly 2 relatively, and the position of bottom plate subassembly 1 edge relative two alignment brackets 22 is provided with adjustment subassembly 4 respectively, and adjustment subassembly 4 includes the adjusting stud 41 of vertical setting, goes up gasket 42, goes up nut 43, lower gasket 44 and lower nut 45, and adjusting stud 41 diameter is less than the internal diameter of regulation hole 221, goes up gasket 42 and lower gasket 44 external diameter and is greater than regulation hole 221.

The column type sensor assembly 3 comprises a sensor main body 31 and an upper pressing head 32, the top surface and the bottom surface of the sensor main body 31 are flat contact surfaces, and the sensor assembly is attached to the base plate assembly 1. Preferably, the base plate assembly 1 is detachably provided with three positioning posts 6, the positioning posts 6 surrounding the post sensor body 31, firmly defining the position of the sensor body 31. The upper pressure head 32 is a cylinder with the cross section identical to the shape of the top surface of the sensor, the center of the top of the upper pressure head 32 is provided with a positioning block 321 opposite to the center of the pressure plate, the bottom surface of the upper pressure head 32 is movably pressed and connected with the sensor main body 31, and the top of the upper pressure head 32 is inserted into the positioning hole 211 of the pressure plate assembly 2.

The adjusting stud 41 passes through the adjusting hole 221, the upper gasket 42 and the upper nut 43 are sleeved on the adjusting stud 41 and are positioned in the limiting space, the upper nut 43 is connected to the adjusting stud 41 in a screwed mode, and the upper gasket 42 is limited between the upper nut 43 and the adjusting frame 22. The lower washer 44 and the lower nut 45 are sleeved on the adjusting stud 41 and located below the limiting space, and the lower washer 44 is limited between the lower nut 45 and the adjusting frame 22. By setting the positions of the upper nut 43 and the lower nut 45 of the adjustment assembly 4, the range of movement of the adjustment frame 22 in the vertical direction can be defined. Since the adjusting frame 22 is fixedly connected with the upper pressing plate 21, the vertical movable stroke of the adjusting frame 22 is the vertical movable stroke of the upper pressing plate 21. On the other hand, since the diameters of the two adjustment studs 41 are smaller than the inner diameters of the corresponding two adjustment holes 221, the movement range of the two adjustment brackets 22 in the horizontal plane is also very limited. The cooperation between the adjusting component 4 and the adjusting frame 22 can effectively limit the displacement of the upper pressing plate 21 in the vertical direction and the horizontal direction, and prevent the lateral deviation of the vertical weighing module.

In addition to the anti-lateral offset benefits, the adjustment assembly 4 may define an upper limit for the column sensor weight, as well as two advantages for facilitating the extraction of the column sensor. Adjusting the position of the lower nut 45 on the adjusting stud 41 can define the limit position of downward displacement of the upper platen 21. For example, when the load to be measured exceeding the measuring range of the sensor falls on the column type weighing module, the upper platen 21 is displaced downward to the limit position of the full range deformation amount of the column type weighing sensor, and is supported by the lower nut 45, so that the sensor is prevented from being crushed. On the other hand, after the upper nut 43 is loosened, the position of the upper pressing plate 21 can be raised, and when the upper pressing plate 21 is separated from the sensor assembly, the sensor assembly can be independently taken out, so that the sensor can be maintained or replaced conveniently. Preferably, the ratio of the height of the upper ram 32 to the height of the sensor body 31 is K, which is 0.5 or more and 1 or less. The upper ram 32 has a height slightly less than the height of the sensor body 31 to facilitate removal of the sensor assembly. The specific operation method is that the upper pressing plate 21 is slightly lifted to separate the upper pressing plate 21 from the positioning block 321, the upper pressing head 32 can slide out from the side, and after the upper pressing head 32 is taken out, the sensor body can be taken out from the module easily.

On the basis of the embodiment, the column type weighing module further comprises two groups of balance assemblies 5, wherein each balance assembly 5 comprises a lower connecting plate 51, an upper connecting plate 52 and a balance plate 53, the lower connecting plate 51 is fixed on the bottom plate assembly 1 and protrudes towards the pressing plate assembly 2, and the upper connecting plate 52 is fixed on the pressing plate assembly 2 and protrudes towards the bottom plate assembly 1. The balance plate 53 includes a horizontal portion 533, a first bending portion 531 and a second bending portion 532 which are distributed at two ends of the horizontal portion 533 and are bent back to each other, the first bending portion 531 is locked to the upper connecting plate 52 by a fastener 54, and the second bending portion 532 is locked to the lower connecting plate 51 by a fastener 54. Two sets of balance plates 53 are respectively located at both sides of the adjusting frame 22, and detachably connect the lower connecting plate 51 and the upper connecting plate 52. The two sets of balance components 5 are used for firmly connecting the pressing plate component 2 and the bottom plate component 1, so that a stable frame structure can be formed.

The column type weighing module completes the assembly of the pressing plate assembly 2, the column type sensor assembly 3 and the bottom plate assembly 1 before leaving the factory, and the verification work can be convenient for the transportation and the installation of the sensor. However, during transportation and installation, the assembled column-type weighing module is subject to external forces, in particular transverse external forces, which may cause deformation of the adjustment studs 41, affecting the subsequent measurement accuracy. Therefore, the balance component 5 firmly connects the pressing plate component 2 and the bottom plate component 1 to form a stable frame structure, so that the adjusting component 4 and the sensor component can be prevented from being damaged by external force. After the column type weighing module is installed in place, the balance assembly 5 is removed, and the column type weighing module can be put into use.

The utility model also provides a weighing system which comprises column type weighing modules and weighing meters, wherein the column type weighing modules are provided with three or more, and the column type weighing modules are in communication connection with the weighing meters.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims (10)

1. The column type weighing module comprises a bottom plate assembly, a pressing plate assembly and a column type sensor assembly, wherein the bottom plate assembly and the pressing plate assembly are oppositely arranged, and the column type sensor assembly is installed on the bottom plate assembly and supports the pressing plate assembly;

The column type weighing module further comprises an adjusting component connected to the bottom plate component, the adjusting component penetrates through the adjusting hole, and the size of the adjusting component located in the limiting space is larger than the aperture of the adjusting hole.

2. The column-type weighing module of claim 1, wherein the adjustment assembly comprises an adjustment stud, an upper washer and an upper nut sleeved on the adjustment stud, the upper washer and the upper nut are located in the limiting space, the adjustment stud passes through the adjustment hole, the upper nut is in threaded connection with the adjustment stud, and the upper washer is defined between the upper nut and the adjustment frame.

3. The column weight module of claim 2, wherein the adjustment assembly further comprises a lower spacer and a lower nut that are sleeved on the adjustment stud, the lower spacer being defined between the lower nut and the adjustment bracket.

4. The column weight module of claim 1, further comprising two sets of balance assemblies connecting the base plate assembly and the platen assembly, the two sets of balance assemblies being distributed on either side of the adjustment frame.

5. The column-type weighing module of claim 4, wherein said balancing assembly comprises a lower connecting plate, an upper connecting plate and a balancing plate, said lower connecting plate is fixed to said base plate assembly and projects toward said platen assembly, said upper connecting plate is fixed to said platen assembly and projects toward said base plate assembly, and said balancing plate detachably connects said lower connecting plate and said upper connecting plate.

6. The column type weighing module of claim 5, wherein the balance plate comprises a horizontal portion, a first bending portion and a second bending portion, wherein the first bending portion and the second bending portion are distributed at two ends of the horizontal portion and are bent back to each other, the first bending portion is locked to the upper connecting plate through a fastener, and the second bending portion is locked to the lower connecting plate through a fastener.

7. The column-type weighing module of claim 1, wherein said column-type sensor assembly comprises a sensor body and an upper ram movably crimped to said sensor body, said upper ram being plugged into said platen assembly.

8. The column-type weighing module of claim 7, wherein a height ratio of said upper ram to said sensor body is K, wherein 0.5.ltoreq.k.ltoreq.1.

9. The column weighing module of claim 1, wherein said floor assembly is provided with at least three positioning columns, the peripheral walls of said positioning columns defining said column sensor assembly.

10. A weighing system comprising a weighing scale and a column weighing module according to any one of claims 1 to 9, said column weighing module being provided with three or more, said column weighing module being in communication with said weighing scale.