CN219730486U

CN219730486U - Weight carrying device for platform balance verification

Info

Publication number: CN219730486U
Application number: CN202320450990.3U
Authority: CN
Inventors: 冯钧; 常雪雪; 陈泯均; 李军; 黄杰; 翟伟; 翟家森; 郜萌
Original assignee: China Tobacco Shaanxi Industrial Co Ltd
Current assignee: China Tobacco Shaanxi Industrial Co Ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-09-22
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a weight handling device for platform balance verification is equipped with control handle and weight box respectively at lever one end top and bottom, and the lever other end is connected with the jib upper end that plays, and normally closed type manipulator is installed in the jib lower extreme that lifts by crane, is equipped with the manipulator control structure that one end is connected with control handle and the other end is connected with normally closed type manipulator on the lever to control the manipulator control structure through control handle and realize the open control of normally closed type manipulator, the conical moving support of lever middle-end position and its below is through clearance fit's biax hole structure swing joint. According to the utility model, a lever principle is utilized, one end of the lever is provided with the control handle and the weight box, the other end of the lever is provided with the normally closed mechanical arm for lifting the standard weight, and the normally closed mechanical arm is connected with the conical movable support through the clearance fit double-shaft hole structure, so that time and labor saving and movable weight conveying are realized, manual heavy manual labor is replaced in the weight conveying process, the working efficiency is improved, safety accidents are avoided, and the safety and reliability are high.

Description

Weight carrying device for platform balance verification

Technical Field

The utility model belongs to the technical field of metering tools, and particularly relates to a weight carrying device for platform balance verification.

Background

In the operation process of enterprise production, the electronic platform scale and the mechanical platform scale are widely applied to measurement processes such as material handover, material liquid preparation, material consumption control and the like, and are used for weighing detection of enterprises. According to the verification regulations of JJG539-2016 digital indicator scale and JJG14-2016 non-self-indicating scale, the verification period of the electronic platform scale and the mechanical platform scale is once a year. The existing verification mode mainly adopts manual carrying to carry the standard weight to the bearing surface of the mechanical platform balance to be verified, reads the display value of the mechanical platform balance, and if the error between the display value of the mechanical platform balance and the standard weight is within the allowable range, the reading of the platform balance is accurate.

In the verification process, a mechanical platform balance with the measuring range of 500kg needs to manually carry 5730kg of standard weights to finish verification works such as zero point, weighing test, repeatability, unbalanced load and sensitivity; if a certain verification project of the mechanical platform balance does not meet the requirement, the mechanical platform balance is required to be maintained and adjusted and then verified, the weight of the transported weights is more than 6000kg, the weight of a single standard weight is 20kg, verification work of 1 mechanical platform balance is completed, a metering personnel at least needs to transport the standard weights 286.5 times, and the manual weight transporting workload is large, low in efficiency and time-consuming and labor-consuming; the single weight is overweight, a metering person needs to bend over for carrying operation for many times, the waist is easy to be sprain, and the operation is inconvenient; when the measuring personnel wear gloves to carry by bare hands, the risk of sliding exists, and the safety accident of injuring the instep is easily caused. Accordingly, an improvement is required for the above problems.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a weight handling device for platform balance verification utilizes lever principle, sets up control handle and weight box in lever one end, and the other end sets up the normal close type manipulator that lifts by crane standard weight, is connected with the toper movable support through clearance fit's biax hole structure, realizes labour saving and time saving, movable weight transport, replaces artifical heavy manual labor in the weight handling process, improves work efficiency, stops the incident, and fail safe nature is high.

The utility model adopts the technical scheme that: the utility model provides a weight handling device for platform balance verification, includes the lever, lever one end top is equipped with control handle, lever one end bottom is fixed with the weight box, the lever other end is connected with lifting rod upper end, and is used for the normal close formula manipulator of centre gripping weight to install in lifting rod lower extreme, be equipped with the manipulator control structure that one end is connected with control handle and the other end is connected with normal close formula manipulator on the lever to control manipulator control structure through control handle realizes the open control of normal close formula manipulator, the conical moving support of lever middle-end position and below passes through clearance fit's biax hole structure swing joint, and accomplishes the transport after the weight is held by normal close formula manipulator through 360 rotatory operations of control handle control lever and vertical lift operation.

The double-shaft hole structure comprises a double shaft sleeve, a first connecting bolt, a second connecting bolt and a nut, wherein the double shaft sleeve is a shaft sleeve welded vertically in the space of two circular hole axes, the upper end face of the conical moving support is provided with a connecting column, one end of the double shaft sleeve is in clearance fit with the small diameter end of the upper end of the connecting column, the first connecting bolt is in threaded connection with the upper end of the connecting column and then positions the double shaft sleeve, and the second connecting bolt is locked and fixed on the lever through the nut on the two side walls of the lever after being in clearance fit with the through hole on the side wall of the middle of the lever and the other end of the double shaft sleeve.

Further, the normally closed mechanical arm comprises an inverted T-shaped suspender and a cross grapple, wherein the upper end of the T-shaped suspender is fixed at the lower end part of the suspender, and the middle hinged position of the cross grapple is fixed at the middle part of the T-shaped suspender through a fastening bolt and a fastening nut; the crossed grapple comprises two grapples, the lower ends of the grapples are in a hook-shaped structure and are hinged at the middle position after being arranged in a crossing mode, normally closed bolts are fixed at the upper ends of the two grapples, two ends of a normally closed spring positioned between the two grapples are fixedly connected with the normally closed bolts at the corresponding ends respectively, and the lower ends of the two grapples are in a normally closed state under the action of the normally closed spring.

Further, the manipulator control structure includes brake wire rope, brake wire rope one end is located the locating hole on the control handle, be fixed with the cylindrical joint that is located articulated position top on one of them grapple of cross grapple, T type jib is fixed with the riser with the tip of cylindrical joint homonymy, the brake wire rope other end passes through the through-hole on riser and the cylindrical joint and is connected with the locating head, be equipped with the brake spring of suit on brake wire rope between T type jib and the riser, be fixed with on the T type jib of cross grapple articulated position top and below and be used for carrying out spacing upper limit post and the lower limit post of two grapple rotation direction respectively, brake wire rope pulling outwards removes after one grapple rotation that is connected with it, and another grapple is spacing by upper limit post, realizes the control of the open action of cross grapple lower extreme.

Further, the control handle comprises a T-shaped operation handle and a brake handle, the lower end of the T-shaped operation handle is fixed at the top of one end of the lever, the brake handle is sleeved on a horizontal rod at the upper end of the T-shaped operation handle through a double-hole sleeve, one end of the brake steel wire rope is positioned on the brake handle, and after the brake steel wire rope is pulled through the brake handle, the opening control of the normally closed mechanical arm is realized.

Further, after the bottom of the other end of the lever is matched with the upper end of the lifting rod in a male-female spigot mode, the lever and the lifting rod are fixedly connected into a whole through a lifting bolt and a lifting nut.

Further, the conical movable support comprises a conical support, a base, wheels and a connecting column, wherein the lower end of the connecting column is fixed on a table top at the middle part of the upper end of the conical support, the conical support is fixedly connected with the base, and the wheels capable of rotating by 360 degrees are fixed at the corners of the bottom of the base.

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, a lever principle is utilized, a control handle and a weight box are arranged at one end of the lever, a normally closed mechanical arm for lifting a standard weight is arranged at the other end of the lever, and the normally closed mechanical arm is connected with a conical movable support through a double-shaft hole structure in clearance fit, so that time and labor saving and movable weight carrying are realized, manual and heavy manual labor is replaced in the weight carrying process, the working efficiency is improved, safety accidents are avoided, and the safety and reliability are high;

2. according to the technical scheme, based on the lever principle, the labor-saving carrying of weights is realized by arranging the operating handle and the weight box at one end of the lever and applying the interaction of weight and downward pressure;

3. according to the technical scheme, the conical movable bracket with the wheels at the bottom is adopted to realize movable carrying of weights at any positions, so that standard weights are ensured to be smoothly placed on a bearing surface of a mechanical platform balance to be calibrated, and convenience is brought to carrying of the weights;

4. this technical scheme lifting capacity is big, has avoided the main drawback that relies on the manpower of weight repeatability transport in the mechanical platform balance verification process, except the potential danger hidden danger that the weight transport easily drops, ensures personal safety, has improved work efficiency, simple structure, and novel in design, low cost, repeatedly usable easily popularizes and applies.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a connecting and decoupling strand at a robot control structure according to the present utility model;

FIG. 3 is a schematic diagram of the connection structure at the biaxial pore structure of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described in the following with reference to fig. 1 to 3 in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in this document, 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. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The weight carrying device for verification of the platform balance is shown in fig. 1-2, and comprises a lever 1, wherein a control handle 9 is arranged at the top of one end of the lever 1, a weight box 8 is fixed at the bottom of one end of the lever 1, the other end of the lever 1 is connected with the upper end of a lifting rod 12, a normally closed mechanical arm 11 for clamping weights is arranged at the lower end of the lifting rod 12, a mechanical arm control structure 13, one end of which is connected with the control handle 9 and the other end of which is connected with the normally closed mechanical arm 11, is arranged on the lever 1, the opening control of the normally closed mechanical arm 11 is realized by controlling the mechanical arm control structure 13 through the control handle 9, the middle end position of the lever 1 is movably connected with a conical moving support 2 below the lever through a double-shaft hole structure 4 in clearance fit, and the carrying after 360-degree rotation operation and vertical lifting operation of the levers 1 are controlled through the control handle 9, the carrying after the weights are clamped by the normally closed mechanical arm 11 is completed; in the structure, by utilizing the lever principle, one end of the lever 1 is provided with the control handle 9 and the weight box 8, the other end is provided with the normally closed mechanical arm 11 for lifting the standard weight, and the normally closed mechanical arm is connected with the conical movable support 2 through the double-shaft hole structure 4 in clearance fit, so that time and labor saving and movable weight carrying are realized, the heavy manual labor is replaced in the weight carrying process, the working efficiency is improved, safety accidents are avoided, and the safety and reliability are high; based on the lever principle, through setting up operating handle 9 and weight box 8 in lever 1 one end, utilize the interact of counter weight gravity and downforce, realize the laborsaving transport of weight.

As shown in fig. 3, the specific structure of the biaxial pore structure 4 is as follows: the double-shaft hole structure 4 comprises a double shaft sleeve 3, a first connecting bolt 5, a second connecting bolt 6 and a nut 7, wherein the double shaft sleeve 3 is a shaft sleeve vertically welded in the space of two circular hole axes, the upper end face of the conical movable support 2 is provided with a connecting column 2-4, one end shaft sleeve of the double shaft sleeve 3 is in clearance fit with the small diameter end of the upper end of the connecting column 2-4, the first connecting bolt 5 is in threaded connection with the upper end of the connecting column 2-4 and then carries out anti-falling positioning on the double shaft sleeve 3, the reliability of structural connection is ensured, and the second connecting bolt 6 is fixedly locked on the lever 1 through the through hole on the side wall of the middle part of the lever 1 and the nut 7 on the two side walls of the lever 1 after the shaft sleeve of the other end of the double shaft sleeve 3 is in clearance fit; in the structure, when the lever 1 is controlled to rotate by taking the axis of the connecting bolt II 6 as the center, the vertical plane lifting control of the normally closed mechanical arm 11 is realized; when the lever 1 is rotated about the axis of the connecting post 2-4, 360 ° rotation control of the lever 1 is achieved.

The specific structure of the normally closed manipulator 11 is as follows: the normally closed mechanical arm 11 comprises an inverted T-shaped suspender 11-1 and a cross grapple 11-2, wherein the upper end of the T-shaped suspender 11-1 is fixed at the lower end of a lifting rod 12, and the middle hinged position of the cross grapple 11-2 is fixed at the middle of the T-shaped suspender 11-1 through a fastening bolt 11-3 and a fastening nut 11-4; the crossed grapple 11-2 comprises two grapples, the lower ends of which are in a hook-shaped structure and are hinged at the middle position after being crossed, the upper ends of the two grapples are fixedly provided with normally closed bolts 11-6, two ends of a normally closed spring 11-5 positioned between the two grapples are respectively fixedly connected with the normally closed bolts 11-6 at the corresponding ends, and the lower ends of the two grapples are in a normally closed state under the action of the normally closed springs 11-5.

As shown in fig. 2, the specific structure of the robot control structure 13 is as follows: the mechanical arm control structure 13 comprises a brake steel wire rope 13-1, one end of the brake steel wire rope 13-1 is positioned in a positioning hole on the control handle 9, a cylindrical joint 13-2 positioned above a hinging position is fixed on one of the two grapples 11-2, a vertical plate 13-3 is fixed at the end part of the same side of the T-shaped suspender 11-1 and the cylindrical joint 13-2, the other end of the brake steel wire rope 13-1 passes through the vertical plate 13-3 and a through hole on the cylindrical joint 13-2 to be connected with the positioning head 11-9, a brake spring 13-4 sleeved on the brake steel wire rope 13-1 is arranged between the T-shaped suspender 11-1 and the vertical plate 13-3, an upper limit post 13-5 and a lower limit post 13-6 which are positioned between the two grapples and used for limiting the rotation direction of the two grapples are respectively fixed on the T-shaped suspender 11-1, one grapple connected with the brake steel wire rope 13-1 is pulled to rotate and then moves outwards, and the other grapple 11-2 is opened to realize the limiting action of the upper limit post and the other grapple is opened by the upper limit post 11-2.

The specific structure of the control handle 9 is as follows: the control handle 9 comprises a T-shaped operation handle 9-1 and a brake handle 9-2, wherein the lower end of the T-shaped operation handle 9-1 is fixed at the top of one end of the lever 1, the brake handle 9-2 is sleeved on a horizontal rod at the upper end of the T-shaped operation handle 9-1 through a double-hole sleeve 9-3, one end of the brake wire rope 13-1 is positioned on the brake handle 9-2, and after the brake wire rope 13-1 is pulled through the brake handle 9-2, the opening control of the normally closed mechanical arm 11 is realized;

the specific connection structure of the lever 1 and the lifting rod 12 is as follows: after the bottom of the other end of the lever 1 is matched with the upper end of the lifting rod 12 in a male-female spigot mode, the lever 1 and the lifting rod 12 are fixedly connected into a whole through the lifting bolt 10 and the lifting nut.

The specific structure of the conical moving bracket 2 is as follows: the conical movable support 2 comprises a conical support 2-1, a base 2-2, wheels 2-3 and a connecting column 2-4, wherein the lower end of the connecting column 2-4 is fixed on a table top in the middle of the upper end of the conical support 2-1, the conical support 2-1 is fixedly connected with the base 2-2, and the wheels 2-3 capable of rotating by 360 degrees are fixed at corners of the bottom of the base 2-2; in the structure, the conical movable bracket 2 with the wheels 2-3 at the bottom is adopted to realize movable carrying of weights at any positions, so that standard weights are ensured to be smoothly placed on the bearing surface of the mechanical platform balance to be calibrated, and convenience is brought to carrying of the weights.

In the technical scheme, a counterweight is placed in a counterweight box 8 according to a standard counterweight for carrying, a normally closed mechanical arm 11 is moved to a position right above the counterweight to be carried by moving the structure, a brake steel wire rope 13-1 is pulled by pinching a brake handle 9-2 (the control principle and the structure are the same as those of a bicycle brake handle), one grapple connected with the brake steel wire rope 13-1 is driven to rotate and then move outwards, the other grapple is fixed under the limiting action of an upper limiting column 13-5, at the moment, the lower ends of the two grapples are opened, and the normally closed mechanical arm 11 is opened; the T-shaped operating handle 9-1 is operated to enable the mechanical gripper to move downwards, the gripping hooks are flush with the weight handles to be carried, the control handles are loosened, the normally closed mechanical hand 11 in an open state holds the weight to be carried, the brake handles 9-2 are loosened to enable the lower ends of the two gripping hooks to be closed under the action of the normally closed springs 11-5, the T-shaped operating handle 9-1 and the weight box 8 are pressed down, under the interaction of gravity, the weight to be carried is lifted by utilizing the lever principle, after the T-shaped operating handle 9-1 is controlled to conduct rotary operation, the weight is moved onto the bearing surface of the platform balance, the brake handles 9-2 are pinched, the lower ends of the normally closed mechanical hand 11 are separated from the weight after being opened, the structure is removed, carrying operation is completed, the weight carrying tool which is compact in structure, convenient and fast is formed, manual heavy manual labor is replaced in the weight carrying process, working efficiency is improved, safety accidents are avoided, and safety and reliability is high.

This technical scheme lifting capacity is big, has avoided the main drawback that relies on the manpower of weight repeatability transport in the mechanical platform balance verification process, except the potential danger hidden danger that the weight transport easily drops, ensures personal safety, has improved work efficiency, simple structure, and novel in design, low cost, repeatedly usable easily popularizes and applies.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A weight handling device for platform balance verification, its characterized in that: including lever (1), lever (1) one end top is equipped with control handle (9), lever (1) one end bottom is fixed with weight box (8), lever (1) other end is connected with lifting rod (12) upper end, and is used for holding the normal close formula manipulator (11) of weight to install in lifting rod (12) lower extreme, be equipped with manipulator control structure (13) that one end is connected and the other end is connected with normal close formula manipulator (11) with control handle (9) on lever (1) to control manipulator control structure (13) through control handle (9) realizes opening control of normal close formula manipulator (11), the toper movable support (2) of lever (1) middle-end position and below are through clearance fit's biax hole structure (4) swing joint, and accomplish the transport after the weight is held by normal close formula manipulator (11) after 360 rotational operation and vertical lift operation of control handle (9) control lever (1).

2. The weight handling apparatus for scale verification of claim 1, wherein: the double-shaft hole structure (4) comprises a double shaft sleeve (3), a first connecting bolt (5), a second connecting bolt (6) and a nut (7), wherein the double shaft sleeve (3) is a shaft sleeve welded vertically in the space of the axis of the two circular holes, the upper end face of the conical moving support (2) is provided with a connecting column (2-4) and one end shaft sleeve of the double shaft sleeve (3) is in clearance fit with the small diameter end of the upper end of the connecting column (2-4), the first connecting bolt (5) is in threaded connection with the upper end of the connecting column (2-4) and then positions the double shaft sleeve (3), and after the second connecting bolt (6) is in clearance fit with a through hole in the middle of the lever (1) and the other end shaft sleeve of the double shaft sleeve (3), the second connecting bolt (6) is locked and fixed on the lever (1) through the nut (7) on the two side walls of the lever (1).

3. The weight handling apparatus for scale verification of claim 1, wherein: the normally closed mechanical arm (11) comprises an inverted T-shaped suspender (11-1) and a cross grapple (11-2), wherein the upper end of the T-shaped suspender (11-1) is fixed at the lower end part of a lifting suspender (12), and the middle hinged position of the cross grapple (11-2) is fixed at the middle part of the T-shaped suspender (11-1) through a fastening bolt (11-3) and a fastening nut (11-4); the crossed grapple (11-2) comprises two grapples, wherein the lower ends of the grapples are in a hook-shaped structure and are hinged at the middle position after being crossed, a normally closed bolt (11-6) is fixed at the upper ends of the two grapples, two ends of a normally closed spring (11-5) positioned between the two grapples are respectively fixedly connected with the normally closed bolt (11-6) at the corresponding end, and the lower ends of the two grapples are in a normally closed state under the action of the normally closed spring (11-5).

4. A weight handling apparatus for scale verification according to claim 3, wherein: the mechanical arm control structure (13) comprises a brake steel wire rope (13-1), one end of the brake steel wire rope (13-1) is positioned in a positioning hole on a control handle (9), a cylindrical joint (13-2) positioned above a hinging position is fixed on one of the grapples of the cross grapple (11-2), a vertical plate (13-3) is fixed at the end part of the same side of the T-shaped suspender (11-1) and the cylindrical joint (13-2), the other end of the brake steel wire rope (13-1) passes through the vertical plate (13-3) and a through hole on the cylindrical joint (13-2) to be connected with a positioning head (11-9), a brake spring (13-4) sleeved on the brake steel wire rope (13-1) is arranged between the T-shaped suspender (11-1) and the vertical plate (3), a limit post (13-5) positioned between the two grapples and used for limiting the two grapple rotating directions respectively is fixed on the T-shaped grapple (11-1) above and below the hinging position of the cross grapple (11-2), and the limit post (13-5) is pulled to the other grapple is connected with the other brake steel wire rope (13-1) after the other grapple is rotated, the control of the opening action of the lower end of the cross grapple (11-2) is realized.

5. The weight handling apparatus for scale verification of claim 4, wherein: the control handle (9) comprises a T-shaped operation handle (9-1) and a brake handle (9-2), wherein the lower end of the T-shaped operation handle (9-1) is fixed at the top of one end of the lever (1), the brake handle (9-2) is sleeved on a horizontal rod at the upper end of the T-shaped operation handle (9-1) through a double-hole sleeve (9-3), one end of a brake steel wire rope (13-1) is positioned on the brake handle (9-2), and after the brake steel wire rope (13-1) is pulled through the brake handle (9-2), the opening control of the normally closed manipulator (11) is realized.

6. The weight handling apparatus for scale verification of claim 1, wherein: after the bottom of the other end of the lever (1) is matched with the upper end of the lifting rod (12) in a male-female spigot mode, the lever (1) and the lifting rod (12) are fixedly connected into a whole through the lifting bolt (10) and the lifting nut.

7. The weight handling apparatus for scale verification of any one of claims 1-6, wherein: the conical movable support (2) comprises a conical support (2-1), a base (2-2), wheels (2-3) and a connecting column (2-4), wherein the lower end of the connecting column (2-4) is fixed on the middle table top at the upper end of the conical support (2-1), the conical support (2-1) is fixedly connected with the base (2-2), and the wheels (2-3) capable of rotating by 360 degrees are fixed at the corners of the bottom of the base (2-2).