CN218066732U

CN218066732U - Scale calibration structure

Info

Publication number: CN218066732U
Application number: CN202220931060.5U
Authority: CN
Inventors: 褚柯; 郁秦聪; 杨智杰; 王朋博; 曲东阁
Original assignee: Muyuan Foods Co Ltd
Current assignee: Muyuan Foods Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-12-16
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to a material weighing-appliance technical field especially relates to a school balance structure, including setting up at the fixed pulley group one of scale bucket support, setting up at scale frame or ground and be located fixed pulley group two below the fixed pulley group one and the flexible cable, school balance structure still includes weighing sensor, weighing sensor with the scale bucket support is connected, and the setting of fixed pulley group one and each pulley of fixed pulley group two satisfies when the flexible cable in proper order respectively around the orientation of each section of flexible cable and each pulley non-contact behind each pulley of fixed pulley group one and fixed pulley group two be vertical direction, and the first end of flexible cable is fixed on scale bucket support or scale frame, and the second end of flexible cable is used for hanging the heavy object so that the flexible cable atress. The scale calibration structure solves the problem that the total weight of the heavy objects needs to meet the condition that the total weight of the heavy objects is close to the range of the batching scale in the process of scale calibration, so that the heavy objects are used too much in the process of scale calibration, and simultaneously, the labor intensity of scale calibration workers is reduced. In addition, the structure of the school scale only needs to be modified on the basis of the original scale body, and the school scale is simple in structure and high in practicability.

Description

Scale calibration structure

Technical Field

The utility model relates to a material weighing-appliance technical field especially relates to a school balance structure.

Background

In some industrial production processes, different raw materials need to be proportioned, the proportioning process can be continuous or carried out in different batches, but in batch proportioning process, a proportioning scale is needed to be used for metering the raw materials. The batching scale is used as a weighing apparatus and needs to be checked regularly to ensure that the precision of the batching scale is within an allowable error range.

At present, batching balance check mode has two kinds, one kind is directly to place the weight that needs weight on the weight frame of batching balance or on the tray and check the balance body, another kind is for the weight or the weight substitute of configuration needs weight on the balance body, these two kinds of modes are all to use standard weight or the unchangeable weight substitute of weight to carry out the check balance, general batching balance can set up the weight frame on the balance body and be used for putting the weight when the check balance, also there is the batching balance through setting up the lifting hook in advance, hang special tray on the lifting hook and put this special weight on the tray and carry out the balance when the check balance, under this condition, the weight of check balance can not be less than 75% of batching balance range, the weight that the range of use and batching balance was the same weight checks best, thereby can check the whole range of batching balance.

The existing scale correcting mode is that weights or substitutes thereof needed to be used in the process of correcting the scale are supported by a platform or directly placed on the ground in a normal state, when the scale is needed to be corrected, an air cylinder or a hydraulic cylinder on a batching scale is started, the position of the weights is changed, the weight of the weights can be transferred to a scale body, and the scale correcting mode is an automatic scale correcting mode; and for the large-scale batching scale calibration process, the calibration mode of directly placing the weights needs to place weights of several tons once, the labor intensity is very high, the time is consumed, in addition, the calibration of the batching scale can not be completed once, the rechecking is needed after the weights with standard weight are calibrated, if the rechecking data do not reach the standard, the scale calibration needs to be carried out again, and the workload is larger. No matter the mode of automatic school balance or directly put the mode of weight school balance, two kinds of school balance modes all have following shortcoming, namely the balance body needs to occupy weight or its substitute for a long time, the general heavier of these weights or its substitute that use in the school balance process, if the balance body is placed in the building and when being located higher floor, these weights are all transmitted on the floor, mean that the long term bears heavier load on the floor, cause the corresponding improvement of requirement to the civil engineering design, the automatic school balance mode needs the lifting means of cylinder or hydraulic cylinder class in addition and causes the investment great, bring higher construction cost.

Therefore, an urgent need exists in the art to provide a scale calibration device that is low in cost and does not occupy more weights or their substitutes to reduce the weight.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a school balance structure.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a school balance structure, is including setting up at the fixed pulley group one of scale bucket support, setting at scale frame or ground and being located fixed pulley group two and the flexible cable of fixed pulley group one below, school balance structure still includes weighing sensor, weighing sensor with the scale bucket support is connected, fixed pulley group one with the setting of each pulley of fixed pulley group two is satisfied to work as the flexible cable winds respectively in proper order behind each pulley of fixed pulley group one with behind each pulley of fixed pulley group two the orientation of each section of flexible cable and each pulley non-contact is vertical direction, the first end of flexible cable is fixed scale bucket support or on the scale frame, the second end of flexible cable is used for hanging the heavy object so that the flexible cable atress.

The beneficial effects are that: in the original state of the scale, a scale frame of the batching scale is fixed on the ground, a scale bucket support for supporting a scale bucket is placed on the scale frame, and a weighing sensor is arranged at the contact position of the scale bucket support and the scale frame. When the scale correcting structure is arranged, a first fixed pulley block and a second fixed pulley block are respectively arranged on the scale bucket support and the scale frame, then the flexible cable is sequentially wound around each pulley of the first fixed pulley block and the second fixed pulley block, the first end of the flexible cable is fixed on the scale bucket support or the scale frame, and the second end of the flexible cable is used for hanging a heavy object. When the scale is calibrated, the second end of the flexible cable is in a stressed straightening state due to load bearing, and due to the fact that the tangent lines of the flexible cable and each pulley in the vertical direction are overlapped, all sections of the flexible cable, which are not in contact with the pulleys, are in the vertical direction. The process is repeated in sequence by continuously adjusting the weight of the weight suspended by the second end of the flexible cable to complete the scale calibration. The scale calibration structure can amplify the stress of the scale bucket support by multiple through the fixed pulley group, can realize the purpose of calibrating the large-range batching scale by utilizing the weight smaller than the batching scale range, solves the problem that the total weight of the weight needs to meet the condition of approaching the batching scale range in the process of calibrating the scale, so that the weight is used for one-time calibration in the process of calibrating the scale, such as too many weights, and simultaneously lightens the labor intensity of the staff of calibrating the scale. In addition, the structure of the school scale only needs to be modified on the basis of the original scale body, and the school scale is simple in structure and high in practicability.

As a further improvement, the fixed supports of the pulleys of the first fixed pulley block and the second fixed pulley block can be adjusted in position in the horizontal direction, the scale bucket support and/or the scale frame are/is provided with a fixed part for connecting the first end of the flexible cable, and the fixed part can be adjusted in position in the horizontal direction.

The beneficial effects are that: because the precision is not easy to guarantee when the fixed pulleys are installed or the scale correction structure is frequently used, after the flexible cable is wound around each pulley, each section of the flexible cable which is not in contact with the pulley cannot keep a vertical state, and the scale correction structure cannot guarantee the check precision. At the moment, the position of the fixed support corresponding to the pulley in the horizontal direction can be adjusted, and the position of the fixed part for fixing the first end of the flexible cable in the horizontal direction is adjusted, so that the flexible cable is kept in a vertical state, the scale correcting precision of the scale correcting structure can be guaranteed through the simple adjusting mode, and the scale correcting efficiency of a production field is greatly improved.

As a further improvement, the second end of the flexible cable is connected with a tray for placing weights.

The beneficial effects are that: after the second end that makes the flexible cable be used for hanging the heavy object connects the tray, be convenient for directly put into the tray with weight or weight substitute when the school balance to carry out the increase and decrease of weight according to the school balance scope, the portability that helps improving the school balance of the mode of direct increase and decrease weight in the tray.

As a further improvement, the second end of the wire is connected to the tray using a hook.

The beneficial effects are that: the second end of the flexible cable is connected with the tray by using the hook, the tray can be directly hung on the hook during scale calibration, the tray can be conveniently taken down from the hook after the scale calibration is finished, and the hook structure facilitates the operation of using the tray.

As a further improvement, the balance further comprises a storage frame for storing weights, and the storage frame is arranged on the scale frame.

Has the advantages that: because the balance is usually calibrated, the weights are directly placed around the balance body for the convenience of taking the weights, the object placing frame specially used for placing the weights is arranged on the balance frame, and the risk that the weights are lost can be reduced when the weights are conveniently taken.

As a further improvement, the flexible cable is a steel wire rope.

The beneficial effects are that: the steel wire rope has better strength, and can prevent the occurrence of breakage to the maximum extent in the process of scale calibration.

As a further improvement, the diameter of the steel wire rope is equal to the depth of the grooves of the pulleys of the first fixed pulley block and the second fixed pulley block.

The beneficial effects are that: after the steel wire rope winds each pulley in the fixed pulley block I and the fixed pulley block II, if the diameter of the steel wire rope is obviously larger than the depth of the groove of the pulley, even if the horizontal position of each pulley is adjusted, each section of the steel wire rope which is not in contact with each pulley cannot accurately keep the vertical direction to influence the stress analysis, and further, the scale calibration result is greatly influenced. If the diameter of the steel wire rope is equal to the depth of the grooves of the pulleys, the grooves of the pulleys in the pulley block I and the fixed pulley block II are overlapped in the vertical direction when the pulleys are arranged in the horizontal positions, so that the steel wire rope which is positioned outside the grooves of the pulleys and is not in contact with the pulleys can be kept in the vertical direction, and the accuracy of scale correction is finally improved.

As a further improvement, the scale bucket support is provided with a weight rack for placing weights, so that the weights are placed in the weight rack for rechecking after the scale is calibrated.

The beneficial effects are that: through set up the weight frame that is used for placing the weight specially on the scale bucket support, in order to be used for checking the balance step and accomplishing the back and carry out the recheck to above-mentioned check balance result, because weighing sensor weighing value be with the total weight of scale bucket support and scale bucket, and the weight frame directly sets up on the scale bucket support, consequently as long as put into the weight to the weight frame, weighing sensor can weigh and recheck, this recheck process carries out the enlargeing of atress multiple through using the fixed pulley structure, whether consequently should recheck the weighing of the less one section range of batching balance of process main recheck is accurate, thereby further improve the accuracy of check balance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

Technical terms or scientific terms used in the present specification should be given their ordinary meanings as understood by those skilled in the art: the use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another; the terms "connected" or "communicating" and the like are not restricted to physical or mechanical connections, but may include various forms of connections, whether direct or indirect; "upper", "lower", "left", "right", "front", "rear", "far", "near", "start", "end", and the like are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may also be changed accordingly; in addition, in the description of the present specification, the meaning of "a plurality" or "several" is two or more unless otherwise specified.

In order to better understand the present invention, the terms involved in the present invention are explained below.

The term "pulley": the pulley is a small wheel with a groove on the periphery and capable of rotating around a shaft. A simple machine consisting of a grooved disc rotatable about a central axis and a flexible cable (rope, tape, cable, chain, etc.) running over the disc, which can rotate about the central axis, is called a pulley. When a pulley is used, the pulley in which the position of the shaft is fixed is called a fixed pulley.

For a better understanding of the present invention, embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in figure 1, the scale calibration structure mainly comprises a fixed pulley block I2, a fixed pulley block II 4, a flexible cable 5 and a weighing sensor 6.

The weighing sensor 6 is arranged between the scale frame 3 and the scale bucket support 1 to read the total weight of the scale bucket support 1 and other external forces applied to the scale bucket support 1 converted into corresponding weight.

As the balance structure utilizes the principle of the fixed pulley, the arrangement of the pulleys of the first fixed pulley group 2 and the second fixed pulley group 4 is required to meet the condition that after the flexible cable 5 sequentially and respectively winds around the pulleys of the first fixed pulley group 2 and the second fixed pulley group 4, the flexible cable 5 is superposed with a tangent line of each pulley in the vertical direction.

Because each pulley has two tangent lines in the vertical direction, and each section of the flexible cable 5 which is not in contact with each pulley also forms two straight lines, the directions of the two straight lines need to be superposed with the two tangent lines, so that the orientation of each section of the flexible cable 5 which is not in contact with each pulley can be the vertical direction. Specifically, the diameter of the flexible cable 5 can be made equal to the depth of the grooves of the pulleys of the first fixed pulley block 2 and the second fixed pulley block 4, and when the horizontal positions of the pulleys are arranged, the grooves of the pulleys in the first fixed pulley block and the second fixed pulley block are required to be overlapped in the vertical direction, so that the flexible cable 5 which is positioned outside the grooves of the pulleys and is not in contact with the corresponding pulleys can be kept in the vertical direction.

It can be understood that the arrangement requirements of the flexible cable 5 and each pulley only need to satisfy the requirement that each section of the flexible cable 5, which is not in contact with each pulley, keeps in the vertical direction, and does not need to make a requirement on whether the heights of the pulleys in the fixed pulley group one 2 are consistent, and similarly, the heights of the pulleys in the fixed pulley group two 4 can be different, and no particular limitation is made on the heights of the pulleys in a specific fixed pulley group. As long as the height of each pulley in the first fixed pulley group 2 is higher than that of each pulley in the second fixed pulley group 4.

In order to further ensure that the steel wire rope and each section outside each pulley groove and in non-contact with the corresponding pulley keep a vertical direction, or the pulley block I2, the pulley block II 4 and the flexible cable 5 are easier to adjust so as to meet the setting requirements, the positions of the fixed supports of the pulleys of the pulley block I2 and the pulley block II 4 in the horizontal direction can be designed into an adjustable structure, and meanwhile, the positions of the fixed parts 7 which are arranged on the scale bucket support 1 and/or the scale frame 3 and are used for connecting the first end 51 of the flexible cable 5 in the horizontal direction are also designed into an adjustable structure. Here, horizontal sliding rails may be provided on the scale bucket support 1 and the scale frame 3, and the bottom of the fixing support of each pulley has a sliding block matching with the sliding rail, and meanwhile, a locking bolt for fixing the sliding block may be provided on the horizontal sliding rail.

In the actual process of calibrating the scale, the second end 52 of the flexible cable 5 may be connected to a tray 8, specifically, a hook may be fixed at the second end 52, and the tray 8 is hooked up by using the hook, and the tray 8 is mainly used for placing weights or weight substitutes.

The flexible cable 5 in the above embodiments may be a steel cable.

In other embodiments, a storage frame for storing weights is further provided on the scale frame 3. The storage frame can be used for storing weights or weight substitutes used in the process of correcting the scale.

In other embodiments, a weight holder for placing weights is also arranged on the scale bucket support 1, so that the weights can be placed in the weight holder for rechecking after the scale is calibrated. Here the weight frame need with scale bucket support fixed connection, just can show the weight of weighing this moment through weighing sensor when rechecking, and then compares the weight value that reads weighing sensor and the weight of having put into in the weight frame and recheck.

It should be noted that while various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. The following claims are intended to define the scope of the invention and, accordingly, to cover module compositions, equivalents, or alternatives falling within the scope of the claims. Those skilled in the art will appreciate that the embodiments described above are illustrative of some, but not all embodiments of the disclosure. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The utility model provides a school balance structure which characterized in that: including setting up at the fixed pulley group one (2) of scale bucket support (1), setting at scale frame (3) or ground and be located fixed pulley group two (4) and flexible cable (5) of fixed pulley group one (2) below, the school balance structure still includes weighing sensor (6), weighing sensor (6) with scale bucket support (1) is connected, fixed pulley group one (2) with the setting of each pulley of fixed pulley group two (4) is satisfied to work as flexible cable (5) are in proper order wound respectively fixed pulley group one (2) with behind each pulley of fixed pulley group two (4) flexible cable (5) are vertical direction with the orientation of each section of each pulley non-contact, first end (51) of flexible cable (5) are fixed scale bucket support (1) or on scale frame (3), second end (52) of flexible cable (5) are used for hanging the heavy object so that flexible cable (5) atress.

2. A scale calibration structure as claimed in claim 1, wherein: the position of the fixed support of each pulley of the fixed pulley block I (2) and the fixed pulley block II (4) on the horizontal direction can be adjusted, the scale bucket support (1) and/or the scale frame (3) are/is provided with a fixed part (7) used for connecting a first end (51) of a flexible cable, and the position of the fixed part (7) on the horizontal direction can be adjusted.

3. A scale calibration structure as claimed in claim 1, wherein: the second end (52) of the flexible cable (5) is connected with a tray (8), and the tray (8) is used for placing weights.

4. A scale calibration structure as claimed in claim 3, wherein: the second end (52) of the cable (5) is connected with the tray (8) by a hook.

5. A scale calibration structure as claimed in claim 3, wherein: the balance further comprises a storage frame for storing weights, and the storage frame is arranged on the scale frame (3).

6. A scale calibration structure as claimed in claim 1, wherein: the flexible cable (5) is a steel wire rope.

7. A scale calibration structure as claimed in claim 6, wherein: the diameter of the steel wire rope is equal to the depth of grooves of the pulleys of the fixed pulley block I (2) and the fixed pulley block II (4).

8. A scale calibration structure as claimed in claim 1, wherein: and the scale hopper support (1) is provided with a weight rack for placing weights, so that the weights are placed in the weight rack for rechecking after the scale is calibrated.