Belt conveyor speed protection device

Abstract

The utility model relates to the technical field of protection devices, in particular to a belt conveyor speed protection device which comprises a transmission frame, a control host is embedded in and fixedly connected with the center of the transmission frame, a transmission belt is sleeved on a transmission shaft, and a push rod motor is arranged at the center of the front end of the control host on the inner side of the transmission belt. A movable grinding block is fixedly connected to the output end of the lower end of the push rod motor, a fixed grinding block is fixedly connected to the inner side of the control host at the lower end of the conveying belt, a tachometer wheel is fixedly connected to the position, close to the upper end, of the center of the front end of the control host at the inner side of the conveying belt, one side face of the conveying frame is rotationally connected with a conveying shaft, and a transmission gear is fixedly connected to the front end of the conveying shaft; the push rod motor is fixedly connected with the control host through the fixing rod. The belt conveyor speed protection device has the advantages that the conveying speed of the belt can be detected, shutdown can be conveniently controlled, and the speed of the belt can be reduced in a physical friction mode.

Description

Technical Field

[0001] The utility model relates to the technical field of protection devices, in particular to a belt conveyor speed protection device. Background Art

[0002] As a major equipment for long-distance material transportation, belt conveyors are widely used in mining, coal, electricity, building materials and other industries. However, during the operation of belt conveyors, various reasons (such as motor failure, belt slippage, abnormal load, etc.) may cause abnormal belt conveyor speed, which will not only affect production efficiency, but also pose a threat to equipment and personnel safety.

[0003] Therefore, it is necessary to provide a new belt conveyor speed protection device to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a belt conveyor speed protection device.

[0005] The belt conveyor speed protection device provided by the utility model comprises:

[0006] A transmission frame, a control host is embedded in the center of the transmission frame and fixedly connected, and a transmission belt is sleeved on the transmission shaft;

[0007] A movable grinding block, a push rod motor is arranged at the front end center of the control mainframe on the inner side of the conveyor belt, a movable grinding block is fixedly connected to the lower output end of the push rod motor, and a fixed grinding block is fixedly connected to the inner side of the control mainframe at the lower end of the conveyor belt;

[0008] A speed measuring wheel is fixedly connected to the upper end of the front center of the control mainframe on the inner side of the conveyor belt.

[0009] Preferably, one side of the transmission frame is rotatably connected to a transmission shaft, and the transmission shaft can drive the transmission belt to perform transmission operations.

[0010] Preferably, the front end of the transmission shaft is fixedly connected with a transmission gear, and the transmission shaft can be driven to rotate by the arranged transmission gear.

[0011] Preferably, the push rod motor is fixedly connected to the control host via a fixing rod, and the position of the push rod motor can be fixed by the provided fixing rod.

[0012] Preferably, a control panel is fixedly connected to the upper end of the control host, and the entire device can be operated intuitively through the control panel.

[0013] Preferably, the control host and the push rod motor are electrically connected to the control panel through wires, and power and control signals can be transmitted to each electronic component through the provided wires.

[0014] Preferably, a control line is fixedly connected to one side of the upper center of the control host, and the control signal can be transmitted to the belt conveyor for emergency stop through the set control line.

[0015] Preferably, a power cord is fixedly connected to the other side of the center of the upper end of the control host, and the power cord can provide power to the entire device.

[0016] Compared with the related art, the belt conveyor speed protection device provided by the utility model has the following beneficial effects:

[0017] The utility model provides a belt conveyor speed protection device;

[0018] 1. The utility model can decelerate the belt by setting a movable grinding block, and the output end of the push rod motor can be controlled to extend and retract through the control panel, driving the movable grinding block fixed at the lower end to move and cooperate with the clamping of the fixed grinding block, and the transmission belt is decelerated by friction through physical friction, thereby realizing the deceleration of the belt conveyor;

[0019] 2. The utility model can detect the transmission speed of the conveyor belt by means of a set tachometer wheel, and can transmit the collected data to the control host to detect the rotation transmission speed of the conveyor belt by means of the tachometer wheel fitting the inner side surface of the conveyor belt and rotating synchronously, and can transmit the control signal to the rotating motor of the belt conveyor through the control line by the control host to control the rotating motor to stop working, thereby realizing the detection and emergency shutdown of the belt conveyor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the belt conveyor speed protection device provided by the utility model;

[0021] Figure 2 for Figure 1 The rear view structural diagram of the belt conveyor speed protection device shown;

[0022] Figure 3 for Figure 1 The front cross-sectional structural diagram of the belt conveyor speed protection device shown;

[0023] Figure 4 for Figure 1 The side sectional structural schematic diagram of the belt conveyor speed protection device is shown.

[0024] Numbers in the figure: 1. Transmission frame; 2. Transmission shaft; 3. Transmission belt; 4. Transmission gear; 5. Control host; 6. Control panel; 7. Power cord; 8. Electric wire; 9. Fixed grinding block; 10. Speed ​​measuring wheel; 11. Push rod motor; 12. Fixed rod; 13. Movable grinding block; 14. Control line. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0027] See also Figures 1 to 4 The utility model provides a belt conveyor speed protection device, the belt conveyor speed protection device comprising:

[0028] A transmission frame 1, a control host 5 is embedded and fixedly connected at the center of the transmission frame 1, and a transmission belt 3 is sleeved on the transmission shaft 2;

[0029] A movable grinding block 13 is provided at the front center of the control mainframe 5 on the inner side of the conveyor belt 3. A push rod motor 11 is fixedly connected to the lower output end of the push rod motor 11. A fixed grinding block 9 is fixedly connected to the inner side of the control mainframe 5 at the lower end of the conveyor belt 3.

[0030] A speed measuring wheel 10 is fixedly connected to the upper end of the front end center of the control mainframe 5 on the inner side of the conveyor belt 3.

[0031] It should be noted that the output end of the push rod motor 11 can be controlled to extend and retract through the control panel 6, driving the movable grinding block 13 fixedly connected at the lower end to move and cooperate with the clamping of the fixed grinding block 9, and the transmission belt 3 can be frictionally decelerated through physical friction, thereby achieving deceleration of the belt conveyor. The speed measuring wheel 10 can be synchronously rotated with the inner side of the transmission belt 3 to transmit the collected data to the control host 5 to detect the rotation transmission speed of the transmission belt 3. The control host 5 can transmit the control signal to the rotating motor of the belt conveyor through the control line 14 to control the rotating motor to stop working, thereby achieving detection and emergency shutdown of the belt conveyor.

[0032] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A transmission shaft 2 is rotatably connected to one side of the transmission frame 1, and the transmission shaft 2 can drive the transmission belt 3 to perform transmission operations.

[0033] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The front end of the transmission shaft 2 is fixedly connected with a transmission gear 4, and the transmission shaft 2 can be driven to rotate by the transmission gear 4.

[0034] In the embodiments of the present invention, please refer to Figure 1 and Figure 4The push rod motor 11 is fixedly connected to the control host 5 through a fixing rod 12 , and the position of the push rod motor 11 can be fixed by setting the fixing rod 12 .

[0035] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A control panel 6 is fixedly connected to the upper end of the control host 5, and the entire device can be operated intuitively through the control panel 6.

[0036] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The control host 5 and the push rod motor 11 are electrically connected to the control panel 6 through the wires 8, and the power and control signals can be transmitted to each electronic component through the set wires 8.

[0037] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A control line 14 is fixedly connected to one side of the upper center of the control host 5, and a control signal can be transmitted to the belt conveyor for emergency stop through the set control line 14.

[0038] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 A power line 7 is fixedly connected to the other side of the upper center of the control host 5, and the power line 7 can provide power for the entire device.

[0039] The working principle of the belt conveyor speed protection device provided by the utility model is as follows:

[0040] When in use, first connect the power cord 7 on the upper end of the control host 5 of the protection device to the power supply, and then the belt conveyor can be started to work. During the operation of the belt conveyor, the speed measuring wheel 10 can be synchronously rotated with the inner side of the conveyor belt 3 to transmit the collected data to the control host 5 to detect the rotation transmission speed of the conveyor belt 3. If the rotation transmission speed of the conveyor belt 3 is too fast, the control host 5 can transmit the control signal to the rotating motor of the belt conveyor through the control line 14 to control the rotating motor to stop working, thereby realizing the detection and emergency stop of the belt conveyor. The output end of the push rod motor 11 can be controlled by the control panel 6 to extend and retract, driving the movable grinding block 13 fixedly connected at the lower end to move and cooperate with the clamping of the fixed grinding block 9, and the transmission belt 3 is frictionally decelerated through physical friction, thereby realizing the deceleration of the belt conveyor.

[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A belt conveyor speed protection device, characterized in that: include: A transmission frame (1), wherein a control host (5) is embedded in and fixedly connected to the center of the transmission frame (1), and a transmission belt (3) is sleeved on the transmission shaft (2); A movable grinding block (13), a push rod motor (11) is arranged at the front end center of the control main unit (5) on the inner side of the conveyor belt (3), the lower output end of the push rod motor (11) is fixedly connected to the movable grinding block (13), and the lower end of the conveyor belt (3) is fixedly connected to the inner side of the control main unit (5) with a fixed grinding block (9); A speed measuring wheel (10) is fixedly connected to the upper end of the front center of the control main unit (5) on the inner side of the conveyor belt (3).

2. The belt conveyor speed protection device according to claim 1, characterized in that: A transmission shaft (2) is rotatably connected to one side of the transmission frame (1).

3. The belt conveyor speed protection device according to claim 2, characterized in that: The front end of the transmission shaft (2) is fixedly connected to a transmission gear (4).

4. The belt conveyor speed protection device according to claim 1, characterized in that: The push rod motor (11) is fixedly connected to the control host (5) via a fixing rod (12).

5. The belt conveyor speed protection device according to claim 1, characterized in that: A control panel (6) is fixedly connected to the upper end of the control host (5).

6. The belt conveyor speed protection device according to claim 1, characterized in that: The control host (5) and the push rod motor (11) are electrically connected to the control panel (6) via an electric wire (8).

7. The belt conveyor speed protection device according to claim 1, characterized in that: A control line (14) is fixedly connected to one side of the center of the upper end of the control host (5).

8. The belt conveyor speed protection device according to claim 1, characterized in that: A power line (7) is fixedly connected to the center of the upper end of the control host (5) on the other side.

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