CN213067907U - Single-carrier roller weighing unit - Google Patents

Abstract

The utility model provides a single carrier roller weighing unit, which comprises a movable bearing frame, a fixed bearing seat, a weighing sensor and a carrier roller; the upper end of the fixed bearing seat is connected with a movable bearing frame through a weighing sensor, and a carrier roller is arranged on the movable bearing frame; the unique structure ensures that the weighing sensor can completely receive the vertical force applied by the material to be measured according to a higher ratio without additional vertical force interference, has strong horizontal force unbalance loading resistance and good stability; meanwhile, the position of the sensor fulcrum is optimized, so that the height of the fulcrum is slightly higher than the gravity center of the movable bearing frame, and the self-balancing capacity is strong.

Description

Single-carrier roller weighing unit

Technical Field

The utility model relates to a weighing-appliance technical field, in particular to single bearing roller weighing unit.

Background

The electronic belt scale is a common instrument for dynamically weighing bulk materials, and mainly comprises a movable bearing frame, a fixed bearing seat, a weighing sensor, a speed sensor, a weighing controller and the like, the electronic belt scale is a device for dynamically metering belt-transported materials, which is developed in a static weighing technology, and the movable bearing frame is always in an unstable state due to the influence of a belt in operation, so that the metering deviation is caused, and the improvement of the stability of the movable bearing frame is an important research content for improving the metering accuracy of the electronic belt scale. The movable bearing frame mainly has two research directions of unitization and multi-carrier roller, the unitization is realized by means of the development of the current instrument detection technology and network technology, a plurality of independent weighing units are connected into the combined type weighing instrument, parallel detection and data comprehensive processing are realized, the movable bearing frame has the characteristics of simplification and standardization of the weighing units, and meanwhile, the length of a metering section is increased through the combination of the multiple weighing units, so that redundant metering is realized. The length of the measuring section is increased by increasing the number of the carrier rollers on the movable bearing frame, but the mechanical structure is complex, more steel is needed to ensure the rigidity of the scale body, the dead weight is greatly increased, the effective range ratio of the weighing sensor is influenced, and the measuring device has the advantage that the instrument is relatively simple.

At present, unitized products gradually become a trend, and especially single-carrier-roller weighing units are more in application and have the characteristics of simple structure, easiness in installation and the like. The main structural forms of the existing single-carrier roller weighing unit include two major types, namely direct pressure type weighing unit, sensor and auxiliary fulcrum weighing unit and anti-deviation device weighing unit. The direct-pressure type structure can completely transmit force, but the general direct-pressure type structure has poor anti-deflection capacity; the sensor is added with the auxiliary fulcrum and the anti-deviation device, so that the anti-deviation load capacity is strong, but the auxiliary fulcrum and the anti-deviation device can influence the force transmission stability and the weighing precision.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a single bearing roller weighing unit, this application belong to the direct compression formula structure, improve through the optimization to the structure, increase reinforcing plate and floor, promoted the stability and the anti deformability of device greatly, simultaneously through the perpendicular application of force of horizontal extension board weighing sensor for the atress of whole device is more steady, and measurement accuracy is high, and whole device life-span is longer, has practiced thrift the cost.

The utility model provides a technical scheme that its technical problem adopted is:

a single carrier roller weighing unit comprises a movable bearing frame, a fixed bearing seat, a weighing sensor and a carrier roller; the upper end of the fixed bearing seat is connected with a movable bearing frame through a weighing sensor, and a carrier roller is arranged on the movable bearing frame;

the movable bearing frame comprises a carrier roller support and horizontal support plates, the horizontal support plates are arranged at two ends of the carrier roller support, the lower end of each horizontal support plate is detachably connected with the upper portion of a weighing sensor, and the lower portion of the weighing sensor is arranged on a fixed bearing seat.

According to the utility model discloses a scheme, it is preferred, the activity bears the frame and still includes reinforcing plate, floor, and bearing roller support lower surface is located to the reinforcing plate, and the reinforcing plate both ends are connected with horizontal extension board respectively, and horizontal extension board upside is provided with the floor. Through set up reinforcing plate and floor inside the bearing roller support, can effectively improve bearing capacity of bearing roller support, because the reinforcing plate both ends are horizontal extension board, horizontal extension board lower extreme is connected with weighing sensor for the atress of bearing roller can be perpendicular even exert on weighing sensor, weigh more accurately.

According to the present invention, preferably, the carrier roller is a flat carrier roller, and the reinforcing plate is rectangular.

According to the present invention, preferably, the carrier roller is a groove-shaped carrier roller, the reinforcing plate is a groove-shaped curved surface, and the reinforcing plate is attached to the lower surface of the carrier roller.

According to the utility model discloses an it is preferred, bearing roller support upper end is equipped with the fixed bearing seat of bearing roller, is equipped with the bearing roller on the fixed bearing seat of bearing roller.

According to the present invention, it is further preferred that the carrier roller fixing bearing seat lower end is provided with a groove matched with the outer surface of the carrier roller bracket.

According to the present invention, preferably, the roller support is an angle steel with a downward opening.

According to the present invention, preferably, the fixed bearing seat is fixedly arranged on the belt frame.

According to the present invention, preferably, the bottom surface of the weighing sensor is higher than the center of gravity of the single-carrier-roller weighing unit with the material.

The arrangement can enable the self-balancing capacity of the whole device to be strong, meanwhile, the gravity of the received materials can be increased in proportion, and the precision is high.

According to the present invention, preferably, the number of the weighing sensors is 2, and the weighing sensors are respectively disposed at two ends of the reinforcing plate.

The utility model has the advantages that: the vertical force applied by the weighing sensors is applied vertically through the horizontal positions at the two ends of the reinforcing plate, so that the weighing sensors can receive the vertical force applied by the materials to be weighed completely or according to a higher ratio; the result is more accurate, makes the weighing sensor all according to the vertical force that is exerted by the material of receiving the measurement, does not have extra vertical force to disturb. The supporting structure is stable, an auxiliary fulcrum and an anti-deviation device are not needed, the fulcrum position of the sensor is limited, the fulcrum height is slightly higher than the gravity center of the movable bearing frame, the self-balancing capacity is high, the horizontal force and anti-deviation capacity is high, the movable bearing frame is not prone to overturning, the device is more stable, the stability is good, the measurement is more accurate, the service life is longer, and the maintenance cost is saved; simultaneously weighing sensor's quantity is 2, sets up respectively in the reinforcing plate both ends, and the atress is more stable, measures more accurately.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the belt rack of the present invention;

FIG. 3 is a front view of the scale body structure of the present invention;

FIG. 4 is a top view of the scale body structure of the present invention;

FIG. 5 is a left side view of the scale body structure of the present invention;

in the figure: the automatic belt conveyor comprises a carrier roller 1, a movable bearing frame 2, a ribbed plate 21, a carrier roller support 22, a reinforcing plate 23, a horizontal support plate 24, a belt frame 3, a carrier roller fixed bearing seat 4, a weighing sensor 5 and a fixed bearing seat 6.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense, for example, they may be welded or detachably connected; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

Example 1

As shown in fig. 1-5, a single-carrier weighing unit comprises a carrier roller 1, a movable bearing frame 2, a carrier roller fixed bearing seat 4, a weighing sensor 5 and a fixed bearing seat 6; the fixed bearing seat 6 is fixedly arranged on the belt frame 3, the upper end of the fixed bearing seat 6 is connected with the movable bearing frame 2 through the weighing sensor 5, and the movable bearing frame 2 is provided with the carrier roller 1; the carrier roller 1 is a groove-shaped carrier roller, the groove-shaped carrier roller comprises a first carrier roller, a second carrier roller and a third carrier roller which are sequentially arranged, the lengths of the first carrier roller, the second carrier roller and the third carrier roller are consistent, the second carrier roller is horizontally arranged, the first carrier roller and the third carrier roller are symmetrically arranged by taking the second carrier roller as a center and are positioned on the same plane, the first carrier roller and the third carrier roller are arranged at an obtuse angle with the second carrier roller, the two ends of the first carrier roller and the second carrier roller are connected with a carrier roller fixed bearing seat 4 through bearings, and the movable bearing frame 2 comprises a carrier roller bracket 22, a reinforcing plate 23 and a horizontal support; the carrier roller bracket 22 is an angle steel, specifically is in an inverted V shape, the carrier roller bracket 22 is matched with a carrier roller in shape, and is also provided with a first part, a second part and a third part, the three parts are directly arranged at the same angle with the first carrier roller and the second carrier roller, the third carrier roller is welded and connected, and the reinforcing plate 23 is arranged on the V-shaped inner side surface of the carrier roller bracket 22; the shape of reinforcing plate 23 suits with bearing roller support 22 medial surface, and horizontal extension board 24 is connected respectively at reinforcing plate 23 both ends, and horizontal extension board 24 lower extreme and weighing sensor 5 upper portion bolted connection, the lower part setting of weighing sensor 5 bears on seat 6 fixedly. Through at the inside reinforcing plate 23 that sets up of bearing roller support 22, can effectively improve bearing capacity of bearing roller support 22, bearing capacity is strong, and stability is good, because the horizontal extension board 24 of welded connection is passed through at reinforcing plate 23 both ends, the lower extreme is connected with weighing sensor 5 for bearing roller 1's atress can be perpendicular even apply on weighing sensor 5, weigh more accurately, can all or accept the vertical force that the measurement material was applyed according to higher ratio. The upper end of the carrier roller bracket 22 is connected with the carrier roller 1 through a carrier roller fixing bearing seat 4; the lower end of the carrier roller fixing bearing seat 21 is provided with a groove which is matched with the outer surface of the carrier roller bracket 22; the two are connected by welding, the matching is tight and stable, and the bottom surface position of the weighing sensor 5 is higher than the gravity center position of the single carrier roller weighing unit with the material; such setting up can be so that the self-balancing ability of whole device is strong, and anti horizontal force unbalance loading ability is strong, is difficult for overturning, and the precision is higher, and weighing sensor 5's quantity is 2, sets up respectively under the horizontal stand 24 at reinforcing plate 23 both ends, and the setting up of symmetry makes the atress more stable, measures more accurately.

Example 2:

a single carrier roller weighing unit is the same as the embodiment 1 in structure, except that the carrier roller 1 is a flat carrier roller, and a reinforcing plate 23 is rectangular.

Example 3:

the utility model provides a single bearing roller weighing unit, its structure is the same with embodiment 1, and the difference is, horizontal extension board 24 upper end is through welded connection floor 21, and floor 21 can effectively improve bearing capacity of bearing roller support 22, and bearing capacity is strong, and stability is good for whole device's life-span is longer, and is not fragile, has practiced thrift the cost.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims (10)

1. A single carrier roller weighing unit comprises a fixed bearing seat and a weighing sensor; a weighing sensor is arranged on the fixed bearing seat; the method is characterized in that: the weighing sensor is connected with the carrier roller through a movable bearing frame;

the movable bearing frame comprises a carrier roller support and horizontal support plates, the horizontal support plates are arranged at two ends of the carrier roller support, and the lower end of each horizontal support plate is connected with the upper portion of the weighing sensor.

2. The single idler weighing unit of claim 1, wherein: the movable bearing frame further comprises a reinforcing plate and a ribbed plate, the reinforcing plate is arranged on the lower surface of the carrier roller support, two ends of the reinforcing plate are respectively connected with the horizontal support plate, and the ribbed plate is arranged on the upper side of the horizontal support plate.

3. The single idler weighing unit of claim 1, wherein: the bearing roller is flat bearing roller, and the reinforcing plate is the rectangle.

4. The single idler weighing unit of claim 1, wherein: the carrier roller is a groove-shaped carrier roller, and the reinforcing plate is a groove-shaped curved surface.

5. The single idler weighing unit of claim 1, wherein: the upper end of the carrier roller bracket is provided with a carrier roller fixing bearing seat, and a carrier roller is arranged on the carrier roller fixing bearing seat.

6. The single idler weighing unit of claim 5, wherein: the lower end of the carrier roller fixing bearing seat is provided with a groove matched with the outer surface of the carrier roller support.

7. The single idler weighing unit of claim 1, wherein: the carrier roller support is angle steel.

8. The single idler weighing unit of claim 1, wherein: the fixed bearing seat is fixedly arranged on the belt frame.

9. The single idler weighing unit of claim 1, wherein: the bottom surface of the weighing sensor is higher than the gravity center of the single-carrier-roller weighing unit with the material.

10. The single idler weighing unit of claim 1, wherein: the quantity of weighing sensor is 2, sets up respectively in reinforcing plate both ends.

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