CN219400507U - Automatic overload stopping device for jaw crusher line - Google Patents

Abstract

The utility model relates to the technical field of overload protection, in particular to an automatic overload stopping device for a jaw breaker line, which comprises a junction box and a temperature detector, wherein the junction box is fixed on one side of an electric control box, a fixed gate seat and a fixed base which are respectively connected with two binding posts in the junction box are fixed in the electric control box, a movable gate plate is fixed on the fixed base through a fixed pin, the fixed gate seat is positioned in the rotation radius of the movable gate plate, a driving rod is hinged to one end part of the movable gate plate, which is far away from the fixed gate seat, the other end of the driving rod is hinged to the inside of the electric control box, and a main power supply and an MCU (micro control unit) which are electrically connected with the driving rod are fixed in the electric control box. The beneficial effects are that: the outer assembly type design is convenient to be additionally arranged on a jaw crusher without an overload protection system; the double power supply control automatically controls the disconnection of the circuit when the electric energy is lacking, so that the safety is improved; the surface contact type closed switch has large contact area and is not easy to burn.

Description

Automatic overload stopping device for jaw crusher line

Technical Field

The utility model relates to the technical field of overload protection, in particular to an automatic overload stopping device for a jaw crusher line.

Background

The jaw crusher device is provided with a jaw crusher chamber fed by a vibratory feeder. The stones supplied by the feeder are all mountain blasts to obtain uneven grain sizes, so that the instantaneous load of the jaw crusher is overlarge due to the stones with overlarge grain sizes entering in the actual crushing process, at the moment, the feeder continues to feed to cause the overload time of the jaw crusher to be overlong, so that the circuit heats, and the circuit and the motor burn out after the circuit heats.

In order to avoid the overload to burn out the circuit and the motor, an overload protection system needs to be installed on the circuit, and when overload occurs, automatic shutdown is triggered to protect equipment. The existing overload automatic stop system is directly installed on a main line of equipment during production, and is inconvenient to install in the later period of equipment without the overload automatic stop system during delivery.

Disclosure of Invention

The utility model provides an automatic overload stopping device for a jaw crusher line, which aims to solve the problems.

The technical scheme of the utility model is realized as follows:

the utility model provides a broken quick-witted circuit overload automatic shutdown device in jaw, includes terminal box and temperature detector, the terminal box is established ties on broken quick-witted motor in jaw and external power source connecting wire, the terminal box is fixed in automatically controlled box one side, automatically controlled box inside be fixed with fixed brake seat and the fixed base that two terminal posts are connected respectively in the terminal box, be fixed with movable flashboard through the fixed pin on the fixed base, fixed brake seat is located in the radius of rotation of movable flashboard, movable flashboard keeps away from the one end tip of fixed brake seat articulates there is the actuating lever, the actuating lever other end articulates inside the automatically controlled box, automatically controlled box inside be fixed with main power supply and the MCU control unit that the actuating lever electricity is connected, temperature detector with main power supply the MCU control unit electricity is connected, temperature detector inlays on the sheath, temperature detector has at least one, the sheath parcel is outside broken quick-witted motor power supply line in jaw, there is the clearance between sheath and the broken quick-witted power supply line.

Further, the edge of the electric control box is provided with a fixed foot, and the outer surface of the electric control box is embedded with a status indicator lamp electrically connected with the MCU control unit.

Further, an anti-spark connecting wire is fixed on the fixing pin, and the other end of the anti-spark connecting wire is fixed with the movable flashboard.

Further, a circuit board is fixed inside the electric control box, a power supply switching circuit is printed on the circuit board, a standby power supply is fixed on the circuit board, and the circuit board is electrically connected with the main power supply and the MCU control unit.

By adopting the technical scheme, the utility model has the beneficial effects that: the outer assembly type design is convenient to be additionally arranged on a jaw crusher without an overload protection system; the double power supply control automatically controls the disconnection of the circuit when the electric energy is lacking, so that the safety is improved; the surface contact type closed switch has large contact area and is not easy to burn.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

fig. 2 is a cross-sectional view of the electronic control box of the present utility model;

fig. 3 is a block diagram of the circuit configuration of the present utility model.

The reference numerals are explained as follows:

1. an electric control box; 2. a junction box; 3. a fixed foot; 4. status indicator lights; 5. a temperature detector; 6. a main power supply; 7. a standby power supply; 8. a circuit board; 9. a fixed brake seat; 10. a fixed base; 11. a fixing pin; 12. a movable flashboard; 13. an anti-spark connection line; 14. a driving rod; 15. an MCU control unit; 16. and (5) covering.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

As shown in fig. 1-3, the jaw breaker circuit overload automatic stop device comprises a junction box 2 and a temperature detector 5, wherein the junction box 2 is connected in series on a connection wire between a jaw breaker motor and an external power supply, the junction box 2 is fixed on one side of an electric control box 1, a fixed foot 3 is formed at the edge of the electric control box 1, a fixed gate seat 9 and a fixed base 10 which are respectively connected with two binding posts in the junction box 2 are fixed in the electric control box 1, a movable gate plate 12 is fixed on the fixed base 10 through a fixed pin 11, the fixed gate seat 9 is positioned in the rotation radius of the movable gate plate 12, the movable gate plate 12 and the fixed gate seat 9 can be closed together to realize the circuit communication, the disconnection of the circuit is realized during the separation, one end part of the movable gate plate 12 far away from the fixed gate seat 9 is hinged with a driving rod 14, the driving rod 14 is an electric telescopic rod, the movable gate plate 12 can be driven to rotate, the other end of the driving rod 14 is hinged in the electric control box 1, the main power supply 6 and the MCU control unit 15 which are electrically connected with the driving rod 14 are fixed in the electric control box 1, the main power supply 6 is a dry battery or a storage battery, the output voltage is 5-12V, the outer surface of the electric control box 1 is embedded with three status indicator lamps 4 which are respectively a power supply lamp, an opening indicator lamp and a closing indicator lamp, the temperature detector 5 is electrically connected with the main power supply 6 and the MCU control unit 15, the temperature detector 5 is embedded on the sheath 16, at least one temperature detector 5 is arranged, the temperature detector 5 is a temperature sensor, the temperature of a power supply cable of a jaw crusher can be detected through the temperature detector 5, so that the jaw crusher can be found to be in an overload working state in time through temperature change, the sheath 16 is wrapped outside a power supply circuit of the jaw crusher, a gap is reserved between the sheath 16 and the motor power supply line of the jaw crusher, so that ventilation and heat dissipation are facilitated.

In this embodiment, the anti-spark connecting wire 13 is fixed on the fixing pin 11, the other end of the anti-spark connecting wire 13 is fixed with the movable flashboard 12, when the jaw crusher motor is a high-power motor, the current on the power supply line is increased, and the contact position between the movable flashboard 12 and the fixing pin 11 can be prevented from generating electric spark through the anti-spark connecting wire 13.

In this embodiment, the circuit board 8 is fixed inside the electronic control box 1, the power supply switching circuit is printed on the circuit board 8, the power supply switching circuit adopts the circuit mentioned in the patent with the application number CN201210588220.1, the standby power supply 7 is fixed on the circuit board 8, the standby power supply 7 is a button cell, the circuit board 8 is electrically connected with the main power supply 6 and the MCU control unit 15, and when the electric quantity of the main power supply 6 is insufficient, the power supply can be automatically switched to the standby power supply 7 for power supply.

The working principle of the utility model is as follows: when in use, the device is arranged in a jaw crusher which is not provided with an overload protection system, a connecting wire between a jaw crusher motor and an external power supply is disconnected and then is connected to two binding posts of a junction box 2, a sheath 16 is wrapped on a jaw crusher motor power supply wire, a device is started after a main power supply 6 and a standby power supply 7 are arranged, when the temperature value detected by a temperature detector 5 is in a set range, an MCU control unit 15 controls a driving rod 14 to be in a contracted state, a movable flashboard 12 and a fixed brake seat 9 are closed together at the moment, a circuit is communicated, the jaw crusher motor can normally conduct power-on operation, heat generated by the motor can be increased when the jaw crusher motor is in the overload operation state, and meanwhile, the power supply circuit of the motor can heat, so that the temperature value detected by the temperature detector 5 is increased, when the temperature value rises to exceed a set value, the MCU control unit 15 controls the driving rod 14 to stretch, the driving rod 14 drives the movable flashboard 12 to rotate so that the movable flashboard 12 is separated from the fixed flashboard 9, the jaw breaker is powered off and stops working, main power supply of the device is provided by the main power supply 6, when the electric quantity in the main power supply 6 is insufficient and stops supplying power, the power supply switching circuit on the circuit board 8 is automatically switched to be supplied with power by the standby power supply 7, when the standby power supply 7 supplies power, the MCU control unit 15 controls the driving rod 14 to stretch to disconnect the fixed flashboard 9 from the fixed base 10 and then to be in a standby working state, and the MCU control unit 15 only controls the driving rod 14 to shrink to complete closing power on the fixed flashboard 9 and the fixed base 10 after the main power supply 6 is replaced.

The circuit connection related to the utility model is a conventional means adopted by the person skilled in the art, can obtain technical teaching through limited tests, and belongs to the widely used prior art.

The components not described in detail herein are prior art.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. The jaw breaker circuit overload automatic stop device comprises a junction box (2) and a temperature detector (5), and is characterized in that: junction box (2) establish ties on broken quick-witted motor of jaw and external power source connecting wire, junction box (2) are fixed in automatically controlled box (1) one side, automatically controlled box (1) inside be fixed with fixed floodgate seat (9) and fixed base (10) that two terminal are connected respectively in junction box (2), be fixed with movable flashboard (12) through fixed pin (11) on fixed base (10), fixed floodgate seat (9) are located in the radius of rotation of movable flashboard (12), movable flashboard (12) keep away from the one end tip of fixed floodgate seat (9) articulates there is actuating lever (14), actuating lever (14) other end articulates inside automatically controlled box (1), automatically controlled box (1) inside be fixed with main power supply (6) and MCU control unit (15) that actuating lever (14) electricity are connected, temperature detector (5) with main power supply (6) MCU control unit (15) electricity is connected, temperature detector (5) are inlayed in motor power supply line (16) are at broken electromechanical power supply line (16), broken quick-witted motor cover (16) is at broken between the outside.

2. The jaw crusher line overload automatic stop device of claim 1, wherein: the edge of the electric control box (1) is provided with a fixed foot (3), and the outer surface of the electric control box (1) is embedded with a status indicator lamp (4) electrically connected with the MCU control unit (15).

3. The jaw crusher line overload automatic stop device of claim 1, wherein: the anti-spark connecting wire (13) is fixed on the fixing pin (11), and the other end of the anti-spark connecting wire (13) is fixed with the movable flashboard (12).

4. The jaw crusher line overload automatic stop device of claim 1, wherein: the electronic control box is characterized in that a circuit board (8) is fixed inside the electronic control box (1), a power supply switching circuit is printed on the circuit board (8), a standby power supply (7) is fixed on the circuit board (8), and the circuit board (8) is electrically connected with the main power supply (6) and the MCU control unit (15).