Portable weighing apparatus detection device

Abstract

The utility model relates to the technical field of detection, and discloses a portable weighing instrument detection device, which comprises a case, guide frames are arranged on the left side and the right side of the case, a pair of insertion plates distributed front and back is fixedly mounted at the lower end of each guide frame, and a driving assembly used for translating the guide frames in opposite directions is mounted in the case; an electric cylinder is vertically and fixedly mounted in the center of the interior of the case, a transmission rod is fixedly mounted at the lower end of a push rod of the electric cylinder through a column rod, supporting plates are slidably mounted on the guide frames, the supporting plates and the transmission rod are horizontally arranged, connecting bases are fixedly mounted on the upper sides of the supporting plates, and the connecting bases and the transmission rod are slidably assembled; a pair of weighing sensors distributed front and back is fixedly installed on the lower side of each supporting plate, and a controller is fixedly installed on the upper side of the machine box. The device is light, portable, wide in application range, more accurate in data acquisition, free of manual operation, rapid in detection process and high in detection precision, thereby being capable of improving the efficiency and effect of proofreading detection work.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection technical field, concretely is portable weighing apparatus detection device. BACKGROUND

[0002] Weighing apparatus is a tool for measuring the mass of an object, which measures the mass of the object by acting on the gravity of the object; weighing apparatus is mainly composed of three parts of a load bearing system (such as a scale pan), a force transmission conversion system (such as a lever force transmission system) and a indicating system (such as a scale dial).

[0003] In order to ensure the accuracy and sensitivity of weighing apparatus, it is necessary to detect and correct the weighing apparatus used in each field regularly, and the traditional method is that the measurement technology agency carries a large number of standard weights to the site for loading, since the number of standard weights is large and the weight is heavy, it is inconvenient to carry, and at the same time, the standard weights are also easy to stick on stains or cause bumping loss in the operation process, thereby affecting the calibration accuracy, in addition, the manual loading operation also has human error, which leads to low efficiency and poor effect of calibration and detection work.

[0004] Therefore, in order to solve the above problems, a portable weighing apparatus detection device is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing portable weighing apparatus detection device, can promote the efficiency and effect of calibration and detection work, thereby solving the problems put forward in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: portable weighing apparatus detection device, including the machine case, the left and right sides of the machine case are all provided with the guide frame, the lower end of the guide frame is all fixedly installed with a pair of front and rear distribution plugboard, the inside installation of the machine case has the drive assembly for the opposite translation guide frame;The inside center of the machine case is vertically fixedly installed with the electric cylinder, the push rod lower end of the electric cylinder is fixedly installed with the transmission rod through the column rod, the guide frame is all slidingly installed with the support plate, the support plate and transmission rod are all horizontally arranged, the upper side of the support plate is all fixedly installed with the connecting seat, the connecting seat is slidingly assembled with the transmission rod, the lower side of the support plate is all fixedly installed with a pair of front and rear distribution weighing sensor, the upper side of the machine case is fixedly installed with the controller.

[0007] Specifically, the drive assembly includes a gear, a synchronous wheel and a rack, a pair of gears are rotatably installed in the inside of the machine case, the upper side of the gear is all fixedly installed with the synchronous wheel, the synchronous belt is sleeved between the synchronous wheels, the side of the guide frame close to each other is all fixedly installed with the rack, the racks on both sides are parallel and staggered arranged, the rack is respectively engaged with the gear, the upper side of the machine case is fixedly installed with the servo motor, and the output end of the servo motor is connected with one of the synchronous wheels.

[0008] Further, the driving assembly further comprises guide strips and linear sliding rails, the guide strips are fixedly installed on the sides close to each other of the guide frames, the guide strips on the same side are symmetrically arranged before and after the rack, the linear sliding rails are fixedly installed on the front and back sides of the cabinet, two sliding blocks are slidingly installed on each linear sliding rail, and the sliding blocks are fixedly connected with the guide strips and the rack respectively.

[0009] Further, a pair of guide wheels are rotatably installed in the cabinet, the guide wheels support the synchronous belt with the synchronous wheel to form a parallelogram structure, and the electric cylinder is located on the inner side of the synchronous wheel.

[0010] Specifically, the supporting plates are fixedly installed with a pair of first linear bearings distributed in front and back, the first linear bearings are slidingly connected with the guide frames, the upper sides of the connecting seats are fixedly installed with second linear bearings, and the second linear bearings are slidingly connected with the transmission rods.

[0011] Specifically, the lower sides of the plug-in plates are rotatably installed with rollers.

[0012] Specifically, the upper sides of the plug-in plates and the guide frames are fixedly installed with triangular ribs.

[0013] Specifically, the upper side of the cabinet is fixedly installed with a pair of left and right distributed handles.

[0014] The present application has the following beneficial effects:

[0015] The standard weights do not need to be carried, and the device is light and portable.

[0016] The guide frames and the plug-in plates which are oppositely translated by the driving assembly can be adapted to different sizes of the weighing apparatus, and the application range is wide.

[0017] After clamping, the loading is performed by the electric cylinder and the four-point data acquisition mode, and the data acquisition is more accurate.

[0018] The loading process is automatically completed, manual operation is not needed, and the interference of human operation errors is excluded.

[0019] The detection process is rapid, the detection precision is high, and the efficiency and effect of the calibration and detection work are improved. DRAWINGS

[0020] Figure 1 It is a structural schematic perspective view of the present application.

[0021] Figure 2 It is a structural schematic sectional view of the cabinet of the present application.

[0022] In the figure: 1 case, 2 drive assembly, 21 servo motor, 22 synchronous belt, 23 linear slide rail, 24 guide wheel, 25 guide strip, 26 gear, 27 synchronous wheel, 28 rack, 3 electric cylinder, 4 controller, 5 guide frame, 6 first linear bearing, 7 connecting seat, 8 load cell, 9 column rod, 10 roller, 11 plugboard, 12 second linear bearing, 13 support plate, 14 transmission rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figure 1 The utility model provides a kind of portable weighing apparatus detection device, including case 1, the left and right sides of case 1 are all provided with guide frame 5, guide frame 5 is the frame body welded by light pole and crossbeam, and guide frame 5 is vertically arranged, the lower end of guide frame 5 is fixedly installed with a pair of front and rear distribution plugboard 11, plugboard 11 is used to extend into the bottom of weighing apparatus when in use, and drive assembly 2 for moving guide frame 5 in opposite directions (moving close to each other or moving away from each other) is installed in the inside of case 1;Two pairs of plugboard 11 can be inserted in the bottom of weighing apparatus of different sizes after drive assembly 2 moves guide frame 5 in opposite directions, to improve application range.

[0025] Electric cylinder 3 is vertically fixedly installed in the inside center of case 1, the lower end of the push rod of electric cylinder 3 is fixedly installed with transmission rod 14 by column rod 9, guide frame 5 is all slidably installed with support plate 13, support plate 13 and transmission rod 14 are all horizontally arranged, the upper side of support plate 13 is all fixedly installed with connecting seat 7, connecting seat 7 is slidably assembled with transmission rod 14, the lower side of support plate 13 is all fixedly installed with a pair of front and rear distribution load cell 8, so that load cell 8 can be distributed at the four corners of rectangle, and the uniformity of force exertion and the accuracy of data acquisition are more conducive to the action of multiple points;Controller 4 is fixedly installed on the upper side of case 1, drive assembly 2, electric cylinder 3 are electrically connected with controller 4, and controller 4 is connected with external power supply when in use, to facilitate unified man-machine interactive operation;Electric cylinder 3 can lift column rod 9 and transmission rod 14 when working, so that both sides support plate 13 are driven along guide frame 5 vertically and simultaneously by connecting seat 7, so that load cell 8 is abutted or separated from the weighing pan of weighing apparatus;And support plate 13 that moves in opposite directions along with guide frame 5 can always maintain the connection relationship with transmission rod 14 through connecting seat 7.

[0026] Please refer to Figure 2The driving assembly 2 comprises a gear 26, a synchronous wheel 27 and a rack 28, a pair of gears 26 is rotatably installed in the inside of the case 1, the upper side of each gear 26 is fixedly installed with a synchronous wheel 27, the coaxial gear 26 and the synchronous wheel 27 can synchronously rotate, the synchronous belt 22 is sleeved between the synchronous wheels 27, the side, where the guide frames 5 are close to each other, is fixedly installed with a rack 28, the two racks 28 are parallel to each other and are arranged in a staggered manner front and back to avoid the electric cylinder 3 at the center, the racks 28 are respectively meshed and assembled with the gears 26, the upper side of the case 1 is fixedly installed with a servo motor 21, the output end of the servo motor 21 is connected with one of the synchronous wheels 27; when the servo motor 21 works, one of the synchronous wheels 27 can rotate clockwise and counterclockwise, after being driven by the synchronous belt 22, the other synchronous wheel 27 rotates in the same direction, thereby synchronously driving the two gears 26, when the gear 26 rotates clockwise, the rack 28 can be retracted into the case 1, that is, the two guide frames 5 move close to each other, and when the gear 26 rotates counterclockwise, the rack 28 can be pushed out of the case 1, that is, the two guide frames 5 move away from each other.

[0027] The driving assembly 2 further comprises a guide strip 25 and a linear slide rail 23, the side, where the guide frames 5 are close to each other, is fixedly installed with a guide strip 25, the guide strips 25 on the same side are symmetrically arranged front and back to the racks 28, the front and back sides in the inside of the case 1 are fixedly installed with a linear slide rail 23, each linear slide rail 23 is slidably installed with two sliding blocks, the sliding blocks are respectively fixedly assembled with the guide strips 25 and the racks 28; the linear slide rail 23 plays a guiding role on the guide strips 25 and the racks 28, when the rack 28 is driven to translate, the guide strip 25 can also translate along the linear slide rail 23 to improve the stability and smoothness of the translation of the guide frame 5.

[0028] A pair of guide wheels 24 is rotatably installed in the inside of the case 1, the guide wheels 24 support the synchronous belt 22 with the synchronous wheels 27 to form a parallelogram structure, and the electric cylinder 3 is located at the inner side of the synchronous wheel 27; the guide wheels 24 are symmetrically distributed on the two sides of the electric cylinder 3 to change the transmission direction of the synchronous belt 22 and avoid the synchronous belt 22 from being scratched by the electric cylinder 3 to generate loss.

[0029] In addition, each support plate 13 is fixedly installed with a pair of first linear bearings 6 distributed front and back, the first linear bearings 6 are slidably assembled with the guide frames 5, the first linear bearings 6 are vertically arranged to reduce the sliding resistance of the support plate 13 along the guide frame 5; the upper side of the connecting seat 7 is fixedly installed with a second linear bearing 12, the second linear bearing 12 is slidably assembled with the transmission rod 14, the second linear bearing 12 is horizontally arranged to reduce the sliding resistance of the connecting seat 7 along the transmission rod 14, and the first linear bearing 6 and the second linear bearing 12 are existing components.

[0030] In order to reduce the friction force between the two side insertion plates 11 and the ground when moving towards the guide frame 5, the lower side of the insertion plate 11 is rotatably installed with a roller 10, the axis of the roller 10 is perpendicular to the axis of the transmission rod 14, and the smoothness of the guide frame 5 is ensured by rolling instead of sliding.

[0031] In order to match the distance between the bottom of the to-be-detected scale and the placement surface, the upper side of the insertion plate 11 and the guide frame 5 are fixedly installed with a triangular muscle, and as the distance between the two side insertion plates 11 is shortened, the triangular muscle can fill the distance between the bottom of the to-be-detected scale and the placement surface to ensure the fixing effect.

[0032] In order to improve the convenience of the overall device movement, a pair of left and right distributed handles are fixedly installed on the upper side of the case 1 to facilitate hand force.

[0033] The working principle of the embodiment is as follows:

[0034] Before detection, the controller 4 controls the drive assembly 2 to move the two guide frames 5 away from each other, so that the distance between the guide frames 5 is greater than the width of the to-be-detected scale, and then the to-be-detected scale is placed between the two guide frames 5;

[0035] Then the controller 4 controls the drive assembly 2 to move the two guide frames 5 towards each other, until the two side insertion plates 11 that move by the roller 10 extend into the bottom of the scale, and stop when the triangular muscle abuts against the bottom of the scale;

[0036] The electric cylinder 3 extends the push rod downward, and after transmission through the column rod 9, the transmission rod 14 and the connecting seat 7, the support plate 13 moves downward along the guide frame 5, until the four load sensors 8 abut against the scale pan of the scale, the load sensors 8 collect the loaded weight at multiple points, which can be displayed on the display screen of the controller 4 after averaging, and stop when the loaded weight reaches the set value. At this time, check the scale on the scale, and correct the value after checking, and then reset the device.

[0037] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0038] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A portable weighing instrument detection apparatus, characterized by: The utility model provides a kind of automatic weighing device, including cabinet (1), the left and right sides of the cabinet (1) are provided with guide frame (5), the lower end of the guide frame (5) is fixedly installed with a pair of front and rear distribution plugboard (11), the inside of the cabinet (1) is installed with the drive assembly (2) for to the guide frame (5) of translation direction, the inside center of the cabinet (1) is vertically fixedly installed with electric cylinder (3), the push rod lower end of the electric cylinder (3) is fixedly installed with transmission rod (14) by column rod (9), the guide frame (5) is slidably installed with support plate (13), the support plate (13) and transmission rod (14) are horizontally arranged, the upper side of the support plate (13) is fixedly installed with connecting seat (7), the connecting seat (7) is slidably assembled with transmission rod (14), the lower side of the support plate (13) is fixedly installed with a pair of front and rear distribution load cell (8), the upper side of the cabinet (1) is fixedly installed with controller (4).

2. The portable weigh-er detection device of claim 1, wherein: The drive assembly (2) includes gear (26), synchronous wheel (27) and rack (28), a pair of gear (26) is rotatably installed in the inside of the cabinet (1), the upper side of the gear (26) is fixedly installed with synchronous wheel (27), the synchronous belt (22) is sleeved between the synchronous wheel (27), the side of the guide frame (5) close to each other is fixedly installed with rack (28), the rack (28) on both sides is parallel and staggered arrangement, the rack (28) is respectively engaged with gear (26), the upper side of the cabinet (1) is fixedly installed with servo motor (21), the output of the servo motor (21) is connected with one of synchronous wheel (27).

3. The portable weigh-er detection apparatus of claim 2, wherein: The drive assembly (2) further includes guide bar (25) and linear slide rail (23), the side of the guide frame (5) close to each other is fixedly installed with guide bar (25), the guide bar (25) on the same side is symmetrically arranged with the front and rear of rack (28), the front and rear sides in the inside of the cabinet (1) are fixedly installed with linear slide rail (23), two sliding blocks are slidably installed on each linear slide rail (23), the sliding block is fixedly assembled with guide bar (25) and rack (28) respectively.

4. The portable weigh-er detection apparatus of claim 2, wherein: A pair of guide wheels (24) is rotatably installed in the inside of the cabinet (1), the guide wheel (24) supports the synchronous belt (22) with synchronous wheel (27) to form parallelogram structure, the electric cylinder (3) is located on the inside of synchronous wheel (27).

5. The portable weigh-ometer detection device of claim 1, wherein: A pair of front and rear distribution first linear bearing (6) is fixedly installed on each support plate (13), the first linear bearing (6) is slidably assembled with guide frame (5), the upper side of the connecting seat (7) is fixedly installed with second linear bearing (12), the second linear bearing (12) is slidably assembled with transmission rod (14).

6. The portable weigh-er detection device of claim 1, wherein: The lower side of the plugboard (11) is rotatably installed with a roller (10).

7. The portable weigh-ometer detection device of claim 1, wherein: The upper side of the plugboard (11) and the guide frame (5) are fixedly installed with triangular muscle.

8. The portable weigh-ometer detection device of claim 1, wherein: The upper side of the cabinet (1) is fixedly installed with a pair of left and right distribution handles.

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