Overload prevention hopper weighing device

Abstract

The utility model discloses an anti-overload hopper weighing device, which comprises a supporting table, a hopper is arranged at the top of the supporting table, supporting rods are welded at four corners of the hopper, a weighing plate is welded at the bottoms of the four supporting rods, and a gravity sensor is connected between the bottom of the weighing plate and the supporting table. The gravity sensors are distributed at the four corners of the bottom of the weighing plate, the bottom of the hopper is arranged to be conical, the center position of the bottom of the hopper is fixedly connected with the discharging pipe, and the outer wall of the discharging pipe is slidably connected with the inner wall of the supporting table. The gravity sensor is arranged for weighing the hopper, so that the hopper and materials in the hopper can be conveniently weighed, an alarm can be conveniently given when the hopper is overweight, and the safety of the hopper during working is improved.

Description

Technical Field

[0001] This utility model relates to the field of hopper technology, specifically an anti-overload hopper weighing device. Background Technology

[0002] A hopper typically consists of a main body, an inlet, an outlet, and a supporting structure. The main body is generally bucket-shaped or cylindrical and is used to hold materials. The inlet is located at the top of the hopper for easy pouring or conveying of materials. The outlet is located at the bottom or side of the hopper and is used to control the outflow of materials. The supporting structure can be a bracket, suspension device, etc., used to fix the hopper and keep it stable. However, when filling existing hoppers with materials, due to the significant differences in density between different materials, it is impossible to visually determine whether the weight of the material exceeds the hopper's safe load-bearing capacity simply by looking at the volume. Existing hoppers lack a structure for weighing and displaying the material, which hinders the improvement of hopper safety. Utility Model Content

[0003] The purpose of this invention is to provide an anti-overloading hopper weighing device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An overload prevention hopper weighing device includes a support platform, a hopper on the top of the support platform, support rods welded to the four corners of the hopper, a weighing plate welded to the bottom of the four support rods, gravity sensors connected between the bottom of the weighing plate and the support platform, the gravity sensors being distributed at the four corners of the bottom of the weighing plate, the bottom of the hopper being conical, a discharge pipe fixedly connected to the center of the bottom of the hopper, the outer wall of the discharge pipe being slidably connected to the inner wall of the support platform, and the gravity sensors being used to weigh the hopper.

[0006] In a preferred embodiment of this utility model, a viewing window is provided on the outer wall of the front end of the hopper, an expansion port is welded around the top of the hopper, and a valve is fixedly installed on the outer wall of the discharge pipe.

[0007] In a preferred embodiment of this utility model, the bottom outer wall of the feeding pipe is fixedly connected to the discharge pipe, the top of the support platform is provided with a protective cover, the outer wall of the support rod is slidably connected to the inner wall of the protective cover, and the weighing plate is located inside the protective cover.

[0008] In a preferred embodiment of this utility model, the discharge pipe and the feed pipe are distributed perpendicularly to each other, the outer wall of the end of the discharge pipe is provided with an end cover plate, and the inner wall of the end cover plate is rotatably connected to an auger rod through a bearing.

[0009] In a preferred embodiment of this utility model, a servo motor is fixedly installed on the outer wall of the end cover plate, and the outer wall of the output shaft of the servo motor is connected to the outer wall of the end of the auger rod by gear meshing transmission.

[0010] In a preferred embodiment of this utility model, a support leg is fixedly installed at each of the four corners of the bottom of the support platform, and a controller is fixedly installed on the outer wall of the support leg.

[0011] In a preferred embodiment of this utility model, a display screen and operation buttons are fixedly installed on the outer wall of the front end of the controller, an alarm is installed inside the controller, the alarm is electrically connected to a speaker, and the speaker is fixedly installed on the outer wall of the front end of the controller.

[0012] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0013] 1. By setting up support rods to support the bottom of the hopper, the gravity is transmitted to the gravity sensor. The gravity sensor is used to weigh the hopper, which facilitates the weighing of the hopper and the materials entering and leaving the hopper. It also facilitates alarms when the hopper is overloaded, thus improving the safety of the hopper during operation.

[0014] 2. By setting up vertically distributed feed pipes and discharge pipes, and installing a rotating conveying auger inside the discharge pipe, the discharge speed of the hopper can be easily controlled, making it convenient for use in various scenarios and working conditions, and improving the practicality of the equipment. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the main structure of a weighing device for preventing overloading of hoppers;

[0017] Figure 2 This is a side view of a weighing device for preventing overloading of hoppers.

[0018] Figure 3 This is a top view schematic diagram of a weighing device for preventing overloading of hoppers;

[0019] Figure 4 A schematic diagram of the installation structure of a weighing sensor in an anti-overload hopper weighing device;

[0020] Figure 5 This is a schematic diagram of the installation structure of the discharge roller in a weighing device for preventing overloading of hoppers.

[0021] In the diagram: Support platform 100, support leg 110, hopper 120, expansion port 121, viewing window 122, discharge pipe 130, valve 140, support rod 150, weighing plate 151, gravity sensor 152, discharge pipe 170, end cover plate 171, auger rod 180, servo motor 190, gear 191.

[0022] Controller 200, display screen 210, operation buttons 220, speaker 230. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] Example 1: As Figure 1 and 2 The system includes a support platform 100, a hopper 120 on top of the support platform 100, support rods 150 welded to each of the four corners of the hopper 120, and weighing plates 151 welded to the bottom of the four support rods 150. Gravity sensors 152 are connected between the bottom of the weighing plates 151 and the support platform 100, and are located at the four corners of the bottom of the weighing plates 151. The bottom of the hopper 120 is conical, and a discharge pipe 130 is fixedly connected to the center of the bottom of the hopper 120. The outer wall of the discharge pipe 130 is slidably connected to the inner wall of the support platform 100. The gravity sensors 152 are used to weigh the hopper 120.

[0025] The specific application scenario of this embodiment is as follows: By setting a support rod 150 to support the bottom of the hopper 120, the gravity is transmitted to the gravity sensor 152. The gravity sensor 152 is a CZL203. By setting the gravity sensor 152 to weigh the hopper 120, it is convenient to weigh the hopper 120 and the materials entering and leaving the hopper 120. It is convenient to alarm when the hopper 120 is overloaded, thereby improving the safety of the hopper 120 during operation.

[0026] Example 2: As Figure 1 and Figure 2The hopper 120 has a viewing window 122 on its front outer wall. The top of the hopper 120 is welded with an expansion port 121. The outer wall of the discharge pipe 130 is fixedly installed with a valve 140. The bottom outer wall of the discharge pipe 130 is fixedly connected with a discharge pipe 170. The top of the support platform 100 is provided with a protective cover 160. The outer wall of the support rod 150 is slidably connected to the inner wall of the protective cover 160. The weighing plate 151 is located inside the protective cover 160. The discharge pipe 170 and the discharge pipe 130 are perpendicular to each other. The outer wall of the end of the discharge pipe 170 is provided with an end cover plate 171. The inner wall of the end cover plate 171 is rotatably connected to the auger rod 180 through a bearing. The outer wall of the end cover plate 171 is fixedly installed with a servo motor 190. The outer wall of the output shaft of the servo motor 190 is meshed with the outer wall of the end of the auger rod 180 through a gear 191.

[0027] The specific application scenario of this embodiment is as follows: a viewing window 122 is provided to allow operators to intuitively see the height of the material inside the hopper 120; an expansion port 121 is provided to facilitate material feeding; a protective cover 160 is provided to protect the symmetrical weighing plate 151 and gravity sensor 152; a weighing plate 151 is provided to support the support rod 150; a discharge pipe 170 and a feeding pipe 130 are provided to discharge material; an auger rod 180 is provided to quantitatively discharge material from the discharge pipe 170; and a servo motor 190 is provided to drive the rotation speed of the auger rod 180, thereby making it easy to adjust the discharge speed of the auger rod 180.

[0028] Example 3: As Figure 1 and Figure 2 Support legs 110 are fixedly installed at the four corners of the bottom of the support platform 100. Controller 200 is fixedly installed on the outer wall of the support legs 110. Display screen 210 and operation button 220 are fixedly installed on the outer wall of the front end of the controller 200. An alarm is installed inside the controller 200. The alarm is electrically connected to a speaker 230. The speaker 230 is fixedly installed on the outer wall of the front end of the controller 200.

[0029] The specific application scenario of this embodiment is as follows: By setting the controller 200 to display and control the working status of the gravity sensor 152, and at the same time to control and adjust the rotation speed of the servo motor 190, the discharge speed can be flexibly adjusted. The controller 200 includes general standard parts or components known to those skilled in the art. Its structure and principle can be known to those skilled in the art through technical manuals or conventional experimental methods. The speaker 230 is an SRS-XE300. By setting the speaker 230, the alarm volume can be increased, thereby facilitating alarm reminders to operators.

[0030] The working principle of this utility model is as follows: When used by those skilled in the art, the material is introduced into the hopper 120, the controller 200 sets the maximum safe load threshold of the hopper 120, and then four gravity sensors 152 weigh the hopper 120 and the material inside the hopper 120. When the maximum safe load threshold is reached by 90%, an alarm is triggered. Under the action of gravity, the hopper 120 will move downwards to a certain extent, and the discharge pipe 130 slides down inside the support platform 100. Under the action of gravity, the material in the hopper 120 falls into the discharge pipe 130 and the discharge pipe 170. By turning on the servo motor 190, the servo motor 190 can drive the auger rod 180 to rotate, so that the auger rod 180 can transport the material in the discharge pipe 170 to the port of the discharge pipe 170 during the rotation, thereby facilitating the control of the material discharge speed of the hopper 120.

[0031] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An overload prevention hopper weighing device, comprising a support platform (100), a hopper (120) on the top of the support platform (100), support rods (150) welded to the four corners of the hopper (120), and weighing plates (151) welded to the bottom of the four support rods (150), characterized in that, A gravity sensor (152) is connected between the bottom of the weighing plate (151) and the support platform (100). The gravity sensors (152) are distributed at the four corners of the bottom of the weighing plate (151). The bottom of the hopper (120) is set as a cone. The feed pipe (130) is fixedly connected to the center of the bottom of the hopper (120). The outer wall of the feed pipe (130) is slidably connected to the inner wall of the support platform (100). The gravity sensor (152) is used to weigh the hopper (120). A viewing window (122) is opened on the outer wall of the front end of the hopper (120). An expansion port (121) is welded to the top of the hopper (120). A valve (140) is fixedly installed on the outer wall of the feed pipe (130). 30) The bottom outer wall is fixedly connected to the discharge pipe (170), the top of the support platform (100) is provided with a protective cover (160), the outer wall of the support rod (150) is slidably connected to the inner wall of the protective cover (160), the weighing plate (151) is located inside the protective cover (160), the discharge pipe (170) and the feed pipe (130) are distributed perpendicularly to each other, the outer wall of the end of the discharge pipe (170) is provided with an end cover plate (171), the inner wall of the end cover plate (171) is rotatably connected to the auger rod (180) through a bearing, the outer wall of the end cover plate (171) is fixedly installed with a servo motor (190), the outer wall of the output shaft of the servo motor (190) and the outer wall of the end of the auger rod (180) are meshed and connected through a gear (191).

2. The anti-overloading hopper weighing device according to claim 1, characterized in that, The support platform (100) is fixedly installed with legs (110) at the four corners of its bottom, and a controller (200) is fixedly installed on the outer wall of the legs (110).

3. The anti-overloading hopper weighing device according to claim 2, characterized in that, The controller (200) has a display screen (210) and operation buttons (220) fixedly installed on the outer wall of its front end. An alarm is installed inside the controller (200), and the alarm is electrically connected to a speaker (230). The speaker (230) is fixedly installed on the outer wall of the front end of the controller (200).

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