CN210064332U

CN210064332U - Anti-blocking device for conveying belt

Info

Publication number: CN210064332U
Application number: CN201920825637.2U
Authority: CN
Inventors: 张涛
Original assignee: Shaanxi Ruiyuan Machinery And Equipment Rental Co Ltd
Current assignee: Shaanxi Ruiyuan Machinery And Equipment Rental Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-14
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a conveyer belt prevents stifled device relates to machinery, including pressure switch, time relay I, hopper relay and hopper solenoid valve, pressure switch connects in parallel to the hydraulic motor oil circuit of conveyer belt, and pressure switch is connected to time relay I, and time relay I is connected to the hopper relay, and the hopper relay is connected to hopper solenoid valve and alarm, the hopper solenoid valve is used for controlling opening and close of hopper vibration exciter, the utility model discloses an automatic alarm of conveyer belt overload and the automatic shutdown of hopper have guaranteed the security of material transport.

Description

Anti-blocking device for conveying belt

Technical Field

The utility model belongs to the field of machinery, concretely relates to conveyer belt prevents stifled device.

Background

The phenomenon of dead card often can appear when carrying the material in present breaker, and the clearance time is overlength, generally about 5 hours at every turn, wastes time and energy, influences output, and to the reason of putty, mainly the conveyer belt has overloaded the card dead not changeing, and the hopper still is the feed always, leads to the material on the conveyer belt to amass more. Therefore, it is necessary to design an anti-blocking device for the phenomenon.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stifled device is prevented to the conveyer belt to solve among the above-mentioned prior art disinfection thoroughly, the effect is poor and defect of inefficiency.

The utility model provides a conveyer belt anti-blocking device, includes pressure switch, time relay, hopper relay and hopper solenoid valve, pressure switch connects in parallel to the hydraulic motor oil circuit of conveyer belt, and pressure switch is connected to time relay, and time relay one connects to the hopper relay, and the hopper relay is connected to hopper solenoid valve and alarm, the hopper solenoid valve is used for controlling opening and close of hopper vibration exciter.

Preferably, still including the clearance subassembly, the clearance subassembly includes frame, driving motor, pneumatic cylinder, curb plate and grab bucket, the frame is located the both sides of conveyer belt, install in the frame the pneumatic cylinder, the output of pneumatic cylinder is connected with the bearing frame, install a plurality of circumference ranges between the curb plate the grab bucket, the both ends of curb plate are connected with the pivot and rotate through the pivot and be connected to the bearing in the bearing frame on, the pivot of one of them curb plate is connected to from the driving wheel, is connected to the action wheel through the connecting piece from the driving wheel, and the action wheel is connected to driving motor's output, the solenoid valve switch of pneumatic cylinder all establishes ties with the alarm, and driving motor establishes ties and has a time relay two and parallelly connected.

Preferably, the hydraulic cylinders are two and are respectively arranged on the machine frames at two sides of the conveying belt.

Preferably, the number of the grab buckets is at least 6.

Preferably, the driven wheel and the driving wheel are belt pulleys, and the connecting piece is a belt.

Preferably, the opening direction of the grab bucket is consistent with the feeding direction of the conveying belt.

Preferably, be equipped with the crisscross spout in the frame, sliding connection has the slider in the spout, the bearing frame is installed in the top of slider, the pivot is passed the spout be connected with the bearing in the bearing frame, the pneumatic cylinder is installed in the bottom of spout and its output is connected to the slider, be located the outside of the slider of driving motor one side and install the collateral branch frame, install the motor cabinet on the collateral branch frame, driving motor installs in the outside of motor cabinet.

The utility model has the advantages that: through installing a pressure switch additional, can detect the power part of conveyer belt promptly hydraulic motor in the pressure condition of oil circuit, when the pressure value surpasses the setting value, time relay starts as soon as, when duration high-pressure time surpassed time relay setting value, time relay switch-on hopper relay, hopper relay closes the hopper solenoid valve and switches on driving motor, the solenoid valve of pneumatic cylinder and the power supply circuit of alarm, the pneumatic cylinder descends to a take the altitude, after descending to the target position, driving motor starts and drives the grab bucket and rotate, snatch the material on the conveyer belt, alleviate the pressure of conveyer belt and can provide certain power, help the conveyer belt to carry away the material of accumulation and resume to normal condition as soon as possible.

Drawings

Fig. 1 is a control schematic diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the middle cleaning assembly of the present invention.

Fig. 3 is a partial schematic view of the cleaning assembly of the present invention.

Fig. 4 is a control schematic diagram of embodiment 2 of the present invention.

The automatic cleaning device comprises a pressure switch 1, a time relay I2, a hopper relay 3, a hopper solenoid valve 4, a manual switch 5, a cleaning assembly 6, a rack 61, a sliding chute 62, a sliding block 63, a bearing seat 64, a hydraulic cylinder 65, a side plate 66, a rotating shaft 67, a grab bucket 68, a driven wheel 69, a driving wheel 610, a belt 611, a driving motor 612, a motor seat 613, a side bracket 614 and an alarm 7.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1 to 3, a conveyer belt anti-blocking device comprises a pressure switch 1, a first time relay 2, a hopper relay 3 and a hopper electromagnetic valve 4, wherein the pressure switch 1 is connected in parallel to a hydraulic motor oil circuit of a conveyer belt, the pressure switch 1 is connected to the first time relay 2, the first time relay 2 is connected to the hopper relay 3, the hopper relay 3 is connected to the hopper electromagnetic valve 4 and an alarm 7, and the hopper electromagnetic valve 4 is used for controlling the opening and closing of a hopper vibration exciter.

The working principle of the utility model is as follows: pressure switch 1 can detect the power part of conveyer belt promptly hydraulic motor in the pressure condition of oil circuit, and when the pressure value exceeded the setting value, time relay 2 starts, when lasting high-pressure time exceeded time relay 2 setting values, time relay 2 switch-on hopper relay 3, hopper relay 3 closes hopper solenoid valve 4, starts alarm 7 simultaneously, reports to the police and reminds. The time relay I2 is also connected with a manual switch 5 circuit in parallel, namely, when the automatic control part has a fault, the hopper can be closed in time through the manual switch 5.

Example 2

On the basis of the scheme, in order to realize the rapid cleaning of materials on the conveying belt, the conveying belt anti-blocking device also comprises a cleaning component 6, the cleaning assembly 6 comprises a frame 61, a drive motor 612, a hydraulic cylinder 65, side plates 66 and a grab bucket 68, the frame 61 is positioned at two sides of the conveying belt, the hydraulic cylinder 65 is arranged on the frame 61, the output end of the hydraulic cylinder 65 is connected with a bearing seat 64, a plurality of grab buckets 68 which are arranged in the circumferential direction are arranged between the side plates 66, both ends of the side plates 66 are connected with rotating shafts 67 and are rotatably connected to bearings in the bearing seats 64 through the rotating shafts 67, the rotating shaft 67 of one side plate 66 is connected to a driven wheel 69, the driven wheel 69 is connected to a driving wheel 610 through a connecting piece, the driving wheel 610 is connected to the output end of a driving motor 612, the electromagnetic valve switches of the hydraulic cylinders 65 are all connected with the alarm 7 in series, and the driving motor 612 is connected with a time relay II in series and is connected with the alarm 7 in parallel.

In this embodiment, the hydraulic cylinders 65 are two and are respectively mounted on the frame 61 at both sides of the conveyor belt.

In this embodiment, there are at least 6 grapples 68.

In this embodiment, the driven wheel 69 and the driving wheel 610 both use a belt 611 wheel, and the connecting member uses a belt 611.

In this embodiment, the opening direction of the grab 68 is consistent with the feeding direction of the conveyor belt.

In this embodiment, be equipped with crisscross spout 62 in the frame 61, the both ends of frame 61 are passed through the shrouding and are connected, and sliding connection has slider 63 in spout 62, bearing frame 64 installs in the top of slider 63, pivot 67 passes spout 62 and bearing frame 64 in the bearing be connected, pneumatic cylinder 65 install in the bottom of spout 62 and its output be connected to slider 63, the outside that is located the slider 63 of driving motor 612 one side is installed and is had side support 614, installs motor cabinet 613 on the side support 614, driving motor 612 installs in the outside of motor cabinet 613.

When the material grabbing device is used, the hydraulic cylinder 65 and the time relay II are simultaneously started by the hopper relay 3, after the hydraulic cylinder 65 descends and sends the grab bucket 68 to a set height, the time relay II (not shown in the figure and only represented by the driving motor 612) reaches a set time value at the moment, the driving motor 612 is started by the time relay II to work, the driving motor 612 drives the grab bucket 68 to rotate, the grab bucket 68 continuously picks up materials on the conveying belt and sends the materials back to the conveying belt after rotating for a certain angle, although the materials are picked up for a short time, the conveying belt has a certain conveying speed, so that in the process of grabbing the materials, the pressure of the conveying belt is reduced, the conveying speed is further recovered, the conveying rhythm is accelerated, the conveying efficiency is improved, the materials are returned to the conveying belt and sent away, and finally all the materials on the conveying belt are conveyed.

Based on the above, the equipment can detect the pressure condition of the power component of the conveying belt, namely the pressure condition of the oil circuit in the hydraulic motor, when the pressure value exceeds the set value, the time relay I2 is started, when the continuous high-pressure time exceeds the set value of the time relay I2, the time relay I2 is connected with the hopper relay 3, the hopper relay 3 closes the hopper electromagnetic valve 4 and is connected with the driving motor 612, the electromagnetic valve of the hydraulic cylinder 65 and the power circuit of the alarm 7, the hydraulic cylinder 65 descends to a certain height, after descending to the proper position, the driving motor 612 is started and drives the grab bucket 68 to rotate, so as to grab materials on the conveying belt, reduce the pressure of the conveying belt and provide certain power, and help the conveying belt to convey the accumulated materials away and restore the accumulated materials to the normal.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a conveyer belt anti-blocking device, its characterized in that, includes pressure switch (1), time relay (2), hopper relay (3) and hopper solenoid valve (4), parallelly connected to the hydraulic motor oil circuit of conveyer belt in pressure switch (1), pressure switch (1) is connected to time relay (2), and time relay (2) are connected to hopper relay (3), and hopper relay (3) are connected to hopper solenoid valve (4) and alarm (7), hopper solenoid valve (4) are used for controlling opening and close of hopper vibration exciter.

2. A conveyor belt blockage prevention device as defined in claim 1, wherein: still include clearance subassembly (6), clearance subassembly (6) include frame (61), driving motor (612), pneumatic cylinder (65), curb plate (66) and grab bucket (68), frame (61) are located the both sides of conveyer belt, install on frame (61) pneumatic cylinder (65), the output of pneumatic cylinder (65) is connected with bearing frame (64), install a plurality of circumference ranges between curb plate (66) grab bucket (68), the both ends of curb plate (66) are connected with pivot (67) and rotate through pivot (67) and be connected to on the bearing in bearing frame (64), pivot (67) of one of them curb plate (66) are connected to from driving wheel (69), are connected to driving wheel (610) through the connecting piece from driving wheel (69), and driving wheel (610) are connected to the output of driving motor (612), the solenoid valve switch of pneumatic cylinder (65) all establishes ties with alarm (7), the driving motor (612) is connected with a second time relay in series and is connected with the alarm (7) in parallel.

3. A conveyor belt blockage prevention device as defined in claim 2, wherein: the hydraulic cylinders (65) are two and are respectively arranged on the machine frames (61) at two sides of the conveying belt.

4. A conveyor belt blockage prevention device as in claim 3 wherein: the number of the grab buckets (68) is at least 6.

5. The conveyor belt anti-clogging device of claim 4, wherein: the driven wheel (69) and the driving wheel (610) are both belt (611) wheels, and the connecting piece is a belt (611).

6. A conveyor belt blockage prevention device as in claim 5, wherein: the opening direction of the grab bucket (68) is consistent with the feeding direction of the conveying belt.

7. A conveyor belt blockage prevention device as in claim 6 wherein: be equipped with crisscross spout (62) in frame (61), sliding connection has slider (63) in spout (62), install in the top of slider (63) bearing frame (64), pivot (67) pass spout (62) and bearing frame (64) in the bearing be connected, pneumatic cylinder (65) are installed in the bottom of spout (62) and its output is connected to slider (63), be located the outside of slider (63) of driving motor (612) one side and install side support (614), install motor cabinet (613) on side support (614), driving motor (612) are installed in the outside of motor cabinet (613).