CN214583561U

CN214583561U - High-precision belt scale

Info

Publication number: CN214583561U
Application number: CN202120171413.1U
Authority: CN
Inventors: 黄学良; 宣宝云; 徐光顺
Original assignee: Chizhou Yuanhang Niutoushan Port Co ltd
Current assignee: Chizhou Yuanhang Niutoushan Port Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-02
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a high accuracy belt weigher, which comprises a bracket, the support includes crossbeam and supporting leg, rotates between the crossbeam of both sides to be provided with a set of backing roll and sets up drive roll and the driven roll at both ends about the crossbeam separately, drive roll, backing roll and driven roll overcoat are equipped with the belt, the right-hand member of crossbeam passes through bracing piece fixedly connected with hopper, and the left end of crossbeam is located belt below fixedly connected with weighing platform, be provided with gravity sensor on the weighing platform, be provided with overspeed device tensioner between crossbeam and the belt, overspeed device tensioner includes the tensioning roller of adjustable lift. The utility model discloses a overspeed device tensioner cooperation compression roller reduces the belt from two aspects and beats, promotes the belt weigher precision.

Description

High-precision belt scale

Technical Field

The utility model relates to a belt weigher technical field specifically is a high accuracy belt weigher.

Background

The weighing bridge of the electronic belt scale is arranged on the conveyor frame, and when materials pass through, the weighing sensor is acted on by the weight of the materials detected by the metering carrier roller on the belt conveyor through a lever, so that a voltage signal proportional to the belt load is generated. A weighing sensor is arranged on a belt scale and is arranged on a weighing bridge, when the belt scale works, the weight of the detected material on the belt is sent to a weighing instrument, meanwhile, a speed signal of a speed sensor belt conveyor is also sent to the weighing instrument, and the instrument carries out integration processing on the speed signal and the weighing signal to obtain the instantaneous flow and the accumulated quantity. The speed sensor is directly connected to the large diameter tacho drum and provides a series of pulses, each pulse representing a belt movement unit, the frequency of the pulses being proportional to the belt speed. The weighing instrument receives signals from the weighing sensor and the speed sensor, and an instantaneous flow value and an accumulated weight value are obtained through integral operation and are respectively displayed. At present, the defect that the belt is too big to beat mostly exists in the during operation of current belt weigher, leads to weighing the precision lower, consequently, needs a neotype high accuracy belt weigher to overcome above-mentioned defect urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy belt weigher to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a high accuracy belt weigher, includes the support, the support includes crossbeam and supporting leg, rotates between the crossbeam of both sides to be provided with a set of backing roll and divides the drive roll and the driven roll of establishing both ends about the crossbeam, drive roll, backing roll and driven roll overcoat are equipped with the belt, the right-hand member of crossbeam passes through bracing piece fixedly connected with hopper, and the left end of crossbeam is located belt below fixedly connected with weighing platform, be provided with gravity sensor on the weighing platform, be provided with overspeed device tensioner between crossbeam and the belt, overspeed device tensioner includes the tensioning roller of adjustable lift.

Preferably, a guide pillar extending vertically downwards is fixedly connected to the cross beam on the rear side, a connecting seat is fixedly connected to the cross beam on the front side of the mounting seat in a sliding mode and is also connected to the mounting seat through a positive and negative screw adjusting screw, and the tensioning roller is rotatably connected between the mounting seats on the front side and the rear side.

Preferably, the poking rod is arranged on the positive and negative wire adjusting screw in a penetrating mode, and two ends of the poking rod are fixedly connected with limiting blocks.

Preferably, a group of shaft seats is fixedly connected to the upper end face of the cross beam, a fixed shaft extending horizontally towards the inner side of the support is fixedly connected to the shaft seats, a compression roller is rotatably connected to the fixed shaft, and the compression roller is pressed on the upper end face of the belt.

Preferably, the tail end of the fixing shaft is fixedly connected with a material baffle plate, and the bottom of the material baffle plate is in contact with the upper end face of the belt.

Preferably, the striker plate is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a tensioning roller's lift among the overspeed device tensioner can carry out the tensioning to the belt, can effectively avoid because of the belt beat the error of weighing that brings to improve the precision of belt weigher. The tensioning roller can be controlled to lift by rotating the positive and negative wire adjusting screw rods. The poke rod is convenient for twisting the positive and negative screw adjusting screw by hand. The press roller is arranged on the belt to further reduce the bounce of the belt. The striker plate limits the material on the belt and avoids scattering. The rubber material can reduce the abrasion of the striker plate and the belt. The utility model discloses a overspeed device tensioner cooperation compression roller reduces the belt from two aspects and beats, promotes the belt weigher precision.

Drawings

FIG. 1 is a schematic structural diagram of a high-precision belt scale;

FIG. 2 is a schematic diagram of the internal structure of a high precision belt scale;

fig. 3 is a partial enlarged view of fig. 2 at K.

In the figure: 1-supporting legs, 2-beams, 3-shaft seats, 4-compression rollers, 5-material baffles, 6-supporting rods, 7-hoppers, 8-driving rollers, 9-supporting rollers, 10-weighing platforms, 11-gravity sensors, 12-belts, 13-tensioning rollers, 14-mounting seats, 15-connecting seats, 16-positive and negative wire adjusting screws, 17-poke rods, 18-limiting blocks, 19-driven rollers and 20-tensioning devices.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a high accuracy belt weigher, includes the support, the support includes crossbeam 2 and supporting leg 1, rotates between the crossbeam 2 of both sides to be provided with a set of backing roll 9 and divides and establish the drive roll 8 and the driven roll 19 at both ends about the crossbeam, drive roll 8, backing roll 9 and 19 overcoat of driven roll are equipped with belt 12, the right-hand member of crossbeam 2 passes through 6 fixedly connected with hoppers 7 of bracing piece, and the left end of crossbeam 2 is located belt 12 below fixedly connected with weighing platform 10, be provided with gravity sensor 11 on the weighing platform 10, be provided with overspeed device tensioner 20 between crossbeam 2 and the belt 12, overspeed device tensioner 20 includes the tensioning roller 13 of adjustable lift.

When the belt weigher works, materials enter the belt 12 through the hopper 7, the weight of the materials on the belt 12 is measured when the materials pass above the gravity sensor 11, and the gravity sensor 11 is a commonly used gravity sensor on the prior belt weigher; through the lift of tensioning roller 13 among the overspeed device tensioner 20, can carry out the tensioning to belt 12, can effectively avoid because of the belt 12 beats the weighing error that brings to improve belt scale's precision.

Preferably, a guide pillar extending vertically and downwardly is fixedly connected to the cross beam 2 at the rear side, a connecting seat 15 is fixedly connected to the cross beam 2 at the front side of the mounting seat 14 in a sliding manner, the connecting seat 15 is also connected to the mounting seat 14 through a positive and negative wire adjusting screw 16, and the tension roller 13 is rotatably connected between the mounting seats 14 at the front side and the rear side.

The tension roller 13 can be controlled to lift by rotating the forward and reverse wire adjusting screw rods 16.

Preferably, a poke rod 17 penetrates through the positive and negative wire adjusting screw 16, and two ends of the poke rod 17 are fixedly connected with limit blocks 18.

The poke rod 17 is convenient for screwing the positive and negative wire adjusting screw rod 16 by hands.

Preferably, a group of shaft seats 3 is fixedly connected to the upper end surface of the cross beam 2, a fixed shaft extending horizontally towards the inner side of the support is fixedly connected to the shaft seats 3, a compression roller 4 is rotatably connected to the fixed shaft, and the compression roller 4 is pressed on the upper end surface of the belt 12.

The press roller 4 is pressed on the belt 12 to further reduce belt run-out.

Preferably, the tail end of the fixing shaft is fixedly connected with a material baffle plate 5, and the bottom of the material baffle plate 5 is in contact with the upper end face of the belt 12.

The striker plate 5 limits the material on the belt 12 to avoid scattering.

Preferably, the striker plate 5 is made of rubber.

The rubber material can reduce the abrasion of the striker plate 5 and the belt 12.

The utility model discloses a theory of operation is: when the belt weigher works, materials enter the belt 12 through the hopper 7, the weight of the materials on the belt 12 is measured when the materials pass above the gravity sensor 11, and the gravity sensor 11 is a commonly used gravity sensor on the prior belt weigher; through the lift of tensioning roller 13 among the overspeed device tensioner 20, can carry out the tensioning to belt 12, can effectively avoid because of the belt 12 beats the weighing error that brings to improve belt scale's precision. The tension roller 13 can be controlled to lift by rotating the forward and reverse wire adjusting screw rods 16. The poke rod 17 is convenient for screwing the positive and negative wire adjusting screw rod 16 by hands. The press roller 4 is pressed on the belt 12 to further reduce belt run-out. The striker plate 5 limits the material on the belt 12 to avoid scattering. The rubber material can reduce the abrasion of the striker plate 5 and the belt 12. The utility model discloses a overspeed device tensioner cooperation compression roller reduces belt 12 from two aspects and beats, promotes the belt weigher precision.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high accuracy belt weigher, includes the support, its characterized in that: the support includes crossbeam (2) and supporting leg (1), rotates between crossbeam (2) of both sides to be provided with a set of backing roll (9) and divides to establish drive roll (8) and driven roll (19) at both ends about the crossbeam, drive roll (8), backing roll (9) and driven roll (19) overcoat are equipped with belt (12), the right-hand member of crossbeam (2) passes through bracing piece (6) fixedly connected with hopper (7), and the left end of crossbeam (2) is located belt (12) below fixedly connected with weighing platform (10), be provided with gravity sensor (11) on weighing platform (10), be provided with overspeed device tensioner (20) between crossbeam (2) and belt (12), overspeed device tensioner (20) are including adjustable ascending and descending tensioning roller (13).

2. A high precision belt scale according to claim 1, wherein: the tension roller is characterized in that a guide pillar which vertically extends downwards is fixedly connected to the cross beam (2) on the rear side, a connecting seat (15) is fixedly connected to the cross beam (2) on the front side of the mounting seat (14) in a sliding mode on the guide pillar, the mounting seat (14) is also connected to the connecting seat (15) through a positive and negative wire adjusting screw rod (16), and the tension roller (13) is rotatably connected between the mounting seats (14) on the front side and the rear side.

3. A high precision belt scale according to claim 2, wherein: a poking rod (17) penetrates through the positive and negative wire adjusting screw rod (16), and two ends of the poking rod (17) are fixedly connected with limiting blocks (18).

4. A high precision belt scale according to claim 3, wherein: the belt conveyor is characterized in that a group of shaft seats (3) are fixedly connected to the upper end face of the cross beam (2), fixed shafts extending horizontally towards the inner side of the support are fixedly connected to the shaft seats (3), compression rollers (4) are rotatably connected to the fixed shafts, and the compression rollers (4) are pressed on the upper end face of the belt (12).

5. A high precision belt scale according to claim 4, characterized in that: the tail end of the fixing shaft is fixedly connected with a material baffle plate (5), and the bottom of the material baffle plate (5) is in contact with the upper end face of the belt (12).

6. A high precision belt scale according to claim 5, characterized in that: the striker plate (5) is made of rubber.