Belt funnel blockage stopping device
By incorporating a receiving plate, rotating shaft, connecting rod, reset component, position sensor, and control box within the belt hopper, the problem of false alarms due to belt hopper blockage is solved. Low material level blockage alarms are implemented, preventing belt blockage accidents and ensuring stable equipment operation.
Patent Information
- Application Number
- CN202423220059.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing technologies, belt conveyor hoppers are prone to blockage by large hard materials or debris, which can lead to undetected blockages, resulting in material spillage, belt scratches, and other accidents, as well as frequent false alarms.
A belt conveyor hopper blocking and stopping device was designed, including a receiving plate, a rotating shaft, a connecting rod, a reset component, a position sensor, a lever, and a control box. The device utilizes the material squeezing the receiving plate to drive the rotating shaft to rotate, disengaging the lever from the sensor contact, and using a time-delay relay to control the start and stop of the belt conveyor, thus avoiding false alarms caused by false signals.
It effectively solved the problem of false alarms due to belt blockage, realized low material level blockage alarm, avoided accidents caused by belt blockage, and ensured stable operation of the equipment.
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Figure CN223687477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a belt conveying technical field, in particular to a kind of belt hopper plugging parking device. BACKGROUND
[0002] Belt conveyor is widely used in mining, metallurgy, electric power, construction and other enterprise departments a kind of continuous, long-distance transport mechanical equipment, is the main transport equipment of current mine production.Belt is often because of large hard material or sundry causes funnel to be blocked, and it is easy to cause material to run and belt to be scratched and other accidents if not timely to find blocked funnel, need to report alarm to funnel plugging in time to avoid accident. UTILITY MODEL CONTENT
[0003] The utility model aims at providing a kind of belt funnel plugging parking device to solve the problems existing in the prior art, simple structure, effectively solve the problem of false alarm of belt plugging, achieve low material level plugging alarm, avoid the accident caused by belt plugging.
[0004] To achieve the above object, the utility model provides the following scheme:
[0005] The utility model provides a kind of belt funnel plugging parking device, it include: receiving plate, pivot, connecting rod, reset piece, position sensor, paddle and control box, the receiving plate is located in the belt funnel and is located in the front of belt head wheel;The pivot is rotatably connected to the outside of the belt funnel;One end of the connecting rod is used for fixed connection with the receiving plate, the other end extends out of the belt funnel, and the middle part of the connecting rod is fixedly connected with the pivot;One end of the reset piece is fixedly connected with the outside of the belt funnel, and the other end is used for fixed connection with the end of the connecting rod away from the receiving plate;The position sensor is used for fixed connection with the outside of the belt funnel;The paddle is used for fixed connection with the pivot, under the extrusion of material, the receiving plate movement can drive the pivot rotation and drive the paddle to be separated from the contact of the position sensor, after material is separated from the receiving plate, the reset piece pushes the connecting rod to rotate to make the receiving plate reset and can rotate the paddle to contact with the contact of the position sensor;Delay relay is provided in the control box, the delay relay is electrically connected with the position sensor, when the paddle is separated from the contact of the position sensor, the delay relay controls belt conveying equipment to run, after the paddle is separated from the contact of the position sensor, the delay relay stops belt conveying equipment after preset time delay.
[0006] Preferably, the length of the receiving plate is 180-220mm, the width is 140-160mm, and the thickness is 6-8mm.
[0007] Preferably, the connecting rod comprises a first rod, a second rod, a curved connecting part and a bent rod, one end of the first rod is used for welding connection with the upper end of the material receiving plate, the other end is used for integral fixed connection with the curved connecting part, one end of the second rod is used for integral fixed connection with the curved connecting part away from the one end of the first rod, the other end is used for integral fixed connection with the bent rod, the curved connecting part is used for welding connection with the rotating shaft, and the angle of the curved connecting part is 120-150 degrees.
[0008] Preferably, the connecting rod is a 10-12mm round steel.
[0009] Preferably, the reset member is a spring.
[0010] Preferably, the spring base is vertically fixedly connected with the outer side of the belt hopper, one end of the spring is fixedly sleeved on the outer side of the spring base, and the other end is fixedly sleeved on the outer side of the bent rod.
[0011] Preferably, the diameter of the spring base is the same as the diameter of the bent rod, and the length of the spring base is 30-50mm.
[0012] Preferably, the first support rod and the second support rod are further included, one end of the first support rod is vertically fixedly connected with the outer side of the belt hopper, and the other end is used for rotary connection with the rotating shaft, one end of the second support rod is used for vertically fixedly connected with the outer side of the belt hopper, and the other end is used for fixed connection with the position sensor.
[0013] Preferably, the rotating shaft is a 100-150mm tubular intermediate shaft.
[0014] Preferably, the preset time of the time delay relay is 2-3s.
[0015] The utility model discloses the following technical effects are obtained relative to prior art:
[0016] The utility model provides a kind of belt hopper material blocking parking device, material is by head wheel and enters belt hopper by belt transport, when material in belt hopper material blocking spreads upwards, material will extrude receiving plate, receiving plate generates displacement, spring reset piece, and drive pivot rotation and drive piece disengages from the contact of position sensor, position sensor will signal be transmitted to time delay relay by transmission line, time delay relay reaches preset time and signal is transmitted to control box, and parking is stopped by control box control belt transport mechanism.When individual material impacts receiving plate, due to the effect of time delay relay, such signal is not transmitted, when material is separated from receiving plate, receiving plate is reset by the effect of reset piece, avoid the parking caused by similar false signal, simple structure, effectively solve the false alarm problem of belt material blocking, achieve low material level material blocking alarm, avoid the accident caused by belt material blocking. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.
[0018] Fig. 1 The structure schematic diagram of the belt hopper material blocking parking device provided by the utility model is shown in the figure.
[0019] Fig. 2 The structure schematic diagram of the belt hopper material blocking parking device provided by the utility model is shown in the figure.
[0020] Fig. 3 The structure schematic diagram of the belt hopper material blocking parking device provided by the utility model is shown in the figure.
[0021] In the figure: 100, belt hopper material blocking parking device; 1, receiving plate; 2, pivot; 3, connecting rod; 4, position sensor; 5, drive piece; 6, control box; 7, time delay relay; 8, spring; 9, spring base; 10, first support rod; 11, second support rod; 12, belt hopper; 13, belt head wheel; 14, material; 15, transmission line. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in the following by combining with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] The utility model discloses a kind of belt hopper material blocking parking devices, to solve the problems existing in the prior art above, simple structure, effectively solve the false alarm problem of belt blocking, achieve low material level blocking alarm, avoid the accident caused by belt blocking.
[0024] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model is further described in detail below with reference to the drawings and specific embodiments.
[0025] Embodiment one
[0026] The embodiment provides a kind of belt hopper material blocking parking device 100, as shown in Figs. 1-3 It includes: receiving plate 1, pivot 2, connecting rod 3, reset member, position sensor 4, paddle 5 and control box 6, receiving plate 1 is arranged in belt hopper 12 and is located in the front of belt head wheel 13;Pivot 2 is rotatably connected to the outside of belt hopper 12;One end of connecting rod 3 is used to be fixedly connected with receiving plate 1, the other end extends out of belt hopper 12, and the middle part of connecting rod 3 is fixedly connected with pivot 2;One end of reset member is fixedly connected with the outside of belt hopper 12, and the other end is used to be fixedly connected with the end of connecting rod 3 away from receiving plate 1;Position sensor 4 is used to be fixedly connected with the outside of belt hopper 12;Paddle 5 is used to be fixedly connected with pivot 2, under the extrusion of material 14, receiving plate 1 movement can drive pivot 2 rotation and drive paddle 5 to separate from the contact of position sensor, after material 14 separates from receiving plate 1, reset member pushes connecting rod 3 to rotate to make receiving plate 1 reset and can rotate paddle 5 to contact with the contact of position sensor;Delay relay 7 is arranged in control box 6, delay relay 7 is electrically connected with position sensor 4 through transmission line 15, when paddle 5 separates from the contact of position sensor 4, delay relay 7 controls belt conveying equipment to run, after delay relay 7 delays preset time, belt conveying equipment is stopped, material 14 enters belt hopper 12 from head wheel by belt conveying, when material 14 in belt hopper 12 blocks upward, material 14 will extrude receiving plate 1, receiving plate 1 generates displacement, spring 8 reset member, and drive pivot 2 to rotate paddle 5 to separate from the contact of position sensor 4, position sensor 4 transmits signal to delay relay 7 through transmission line 15, after delay relay 7 reaches preset time, signal is transmitted to control box 6, belt conveying mechanism is parked through control box 6 control.When individual material 14 hits receiving plate 1, due to the effect of delay relay 7, this kind of signal will not be transmitted, after material 14 separates from receiving plate 1, receiving plate 1 is reset by the action of reset member, avoid the parking caused by similar false signal, simple structure, effectively solve the false alarm problem of belt blocking, achieve low material level blocking alarm, avoid the accident caused by belt blocking.
[0027] In one preferred embodiment of the present embodiment, the length of the receiving plate 1 is 180-220 mm, the width is 140-160 mm, and the thickness is 6-8 mm. The receiving plate 1 with a specific size range can better adapt to the space of the belt hopper 12, improve the sensitivity of extrusion on the material 14, and at the same time ensure sufficient strength and durability.
[0028] In one preferred embodiment of the present embodiment, the connecting rod 3 includes a first rod, a second rod, a curved connecting portion, and a bent rod. One end of the first rod 3 is used for welding connection with the upper end of the receiving plate 1, and the other end is used for integral fixed connection with the curved connecting portion. One end of the second rod is used for integral fixed connection with the curved connecting portion away from the first rod, and the other end is used for integral fixed connection with the bent rod. The curved connecting portion is used for welding connection with the rotating shaft 2. The angle of the curved connecting portion is 120-150°. The special structure design of the connecting rod 3 can better transmit the movement of the receiving plate 1. The specific angle of the curved connecting portion can optimize the force transmission direction, improve the stability and reliability of the device.
[0029] In one preferred embodiment of the present embodiment, the connecting rod 3 is a 10-12 mm round steel. The round steel with a suitable diameter as the connecting rod 3 has sufficient strength and stiffness, can withstand the force transmitted by the receiving plate 1, and ensures the normal operation of the device.
[0030] In one preferred embodiment of the present embodiment, the reset member is a spring 8. The spring 8 as the reset member has good elastic restoring force, can quickly push the connecting rod 3 to rotate after the material 14 is separated from the receiving plate 1, reset the receiving plate 1, and at the same time provide protection for the continuous operation of the device.
[0031] In one preferred embodiment of the present embodiment, a spring base 9 is further included. The spring base 9 is fixedly connected with the outside of the belt hopper 12. One end of the spring 8 is fixedly sleeved on the outside of the spring base 9, and the other end is fixedly sleeved on the outside of the bent rod. The setting of the spring base 9 can provide a stable fixing point for the spring 8, ensure that the spring 8 does not deviate or loosen during operation, and improve the stability of the device.
[0032] In one preferred embodiment of the present embodiment, the diameter of the spring base 9 is the same as that of the bent rod. The length of the spring base 9 is 30-50 mm. The spring base 9 with the same diameter as the bent rod facilitates the installation and fixation of the spring 8. The spring base 9 with a specific length can provide sufficient support for the spring 8 without occupying too much space.
[0033] In one preferred scheme of the embodiment, the first support rod 10 and the second support rod 11 are further included, one end of the first support rod 10 is fixedly connected with the outer side of the belt hopper 12 perpendicularly, the other end is used for being rotatably connected with the rotating shaft 2, one end of the second support rod 11 is used for being fixedly connected with the outer side of the belt hopper 12 perpendicularly, the other end is used for being fixedly connected with the position sensor 4, the first support rod 10 provides stable support and a rotating connection point for the rotating shaft 2, and ensures normal rotation of the rotating shaft 2, and the second support rod 11 can firmly fix the position sensor 4, and ensures the accuracy and reliability of detection.
[0034] In one preferred scheme of the embodiment, the rotating shaft 2 is a tubular intermediate shaft with a length of 100-150 mm, has appropriate strength and rotation performance, can bear the force transmitted by the connecting rod 3 and the push piece 5, and ensures the overall stability of the device.
[0035] In one preferred scheme of the embodiment, the preset time of the time delay relay 7 is 2-3 s, and the reasonable preset time can give a certain buffer time after detecting the blocked material, avoids frequent start and stop of the equipment due to misjudgment or temporary fluctuation of the material 14, and improves the operation stability and reliability of the equipment.
[0036] Embodiment two
[0037] The utility model provides a kind of use method of the belt hopper blocked material parking device 100 as embodiment one
[0038] I, installation and debugging phase
[0039] Material receiving plate 1 is installed in the belt hopper 12 and located in the front of belt head wheel 13, ensure its position accurate, can receive the extrusion of material 14 when the material 14 in the belt hopper 12 is blocked and spreads upwards;
[0040] Rotating shaft 2 is rotatably connected to the outer side of the belt hopper 12, and attention is paid to the stability of installation and the flexibility of rotation.
[0041] One end of the connecting rod 3 is fixedly connected with the material receiving plate 1, the other end extends out of the belt hopper 12 and is fixedly connected with the rotating shaft 2 in the middle, to ensure firm connection.
[0042] One end of the reset member (spring 8) is fixedly connected with the outer side of the belt hopper 12, the other end is fixedly connected with the end of the connecting rod 3 away from the material receiving plate 1, a spring 8 base is installed, and the two ends of the spring 8 are respectively sleeved outside the spring 8 base and the bent rod, to ensure stable installation of the spring 8.
[0043] The position sensor 4 is fixed to the outer side of the belt hopper 12, and the position accuracy and firmness of the position sensor 4 are ensured by the second support rod.
[0044] The pusher 5 is fixedly connected with the rotating shaft 2, so that the pusher 5 can accurately move along with the rotation of the rotating shaft 2.
[0045] The time-delay relay 7 is installed in the control box 6 and is electrically connected with the position sensor 4.
[0046] II. Normal operation stage
[0047] When the belt conveying device is in normal operation, the material 14 is conveyed on the belt and enters the belt hopper 12.
[0048] If no blockage occurs, the material 14 smoothly passes through the belt hopper 12, and the receiving plate 1 is not excessively pressed by the material 14, and the pusher 5 keeps in contact with the contact of the position sensor 4.
[0049] The time-delay relay 7 is in a monitoring state and does not trigger the stop operation of the belt conveying device, and the belt conveying device continuously operates.
[0050] III. Blockage detection stage
[0051] When blockage occurs in the belt hopper 12, the material 14 is accumulated in the belt hopper 12 and presses the receiving plate 1.
[0052] The receiving plate 1 moves under the pressing of the material 14 and drives the connecting rod 3 to move, and since the middle part of the connecting rod 3 is fixedly connected with the rotating shaft 2, the movement of the receiving plate 1 drives the rotating shaft 2 to rotate;
[0053] The rotating shaft 2 drives the pusher 5 to move away from the contact of the position sensor 4.
[0054] IV. Device stop stage
[0055] When the pusher 5 moves away from the contact of the position sensor 4, the position sensor 4 transmits a signal to the time-delay relay 7.
[0056] After receiving the signal, the time-delay relay 7 starts timing, and at this time, the belt conveying device continues to operate so as to convey the remaining material 14 on the belt for a distance.
[0057] After a preset time of 2-3 seconds, the time-delay relay 7 triggers and stops the belt conveying device, so as to prevent damage to the device and interruption of production caused by blockage.
[0058] V. Resuming operation stage
[0059] When the blockage problem is solved, the material 14 moves away from the receiving plate 1.
[0060] The reset member (spring 8) pushes the connecting rod 3 to rotate, so as to reset the receiving plate 1 and drive the rotating shaft 2 to rotate, and the pusher 5 is rotated to be in contact with the contact of the position sensor 4.
[0061] The position sensor 4 detects the contact signal of the dial 5 and transmits the signal to the time delay relay 7 which is in a standby state;
[0062] At this time, the belt conveying device can be restarted and normal production can be resumed.
[0063] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, there will be changes in the specific implementation mode and application range. In conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A belt hopper blockage shutdown device characterized by: The utility model relates to a kind of belt conveying equipment, including: Receiving plate, the receiving plate is arranged in the belt funnel and is located in the front of belt head wheel; Rotary shaft, the rotary shaft is rotatably connected to the outside of the belt funnel; Connecting rod, one end of the connecting rod is used to be fixedly connected with the receiving plate, the other end extends out of the belt funnel, and the middle part of the connecting rod is fixedly connected with the rotary shaft; Resetting element, one end of the resetting element is fixedly connected with the outside of the belt funnel, and the other end is used to be fixedly connected with the end of the connecting rod away from the receiving plate; Position sensor, the position sensor is used to be fixedly connected with the outside of the belt funnel; Dial piece, the dial piece is used to be fixedly connected with the rotary shaft, under the extrusion of material, the receiving plate movement can drive the rotary shaft rotation and drive the dial piece to be separated from the contact of the position sensor, after material is separated from the receiving plate, the resetting element pushes the connecting rod to rotate to make the receiving plate reset and can rotate the dial piece to contact with the contact of the position sensor; And Control box, the control box is provided with time-delay relay, the time-delay relay is electrically connected with the position sensor, when the dial piece is separated from the contact of the position sensor, the time-delay relay controls belt conveying equipment to operate, after the dial piece is separated from the contact of the position sensor, the time-delay relay stops belt conveying equipment after preset time delay.
2. The belt hopper blockage shutdown device of claim 1, wherein: The length of the receiving plate is 180-220mm, the width is 140-160mm, and the thickness is 6-8mm.
3. The belt hopper blockage shutdown device of claim 2, wherein: The connecting rod includes first rod, second rod, curved connecting part and bent rod, one end of the first rod is used to be welded with the upper end of the receiving plate, the other end is used to be integrally fixedly connected with the curved connecting part, one end of the second rod is used to be integrally fixedly connected with the end of the curved connecting part away from the first rod, and the other end is used to be integrally fixedly connected with the bent rod, the curved connecting part is used to be welded with the rotary shaft, and the angle of the curved connecting part is 120-150°.
4. The belt hopper blockage shutdown device of claim 3, wherein: The connecting rod is 10-12mm round steel.
5. The belt hopper blockage shutdown device of claim 4, wherein: The resetting element is spring.
6. The belt hopper blockage shutdown apparatus of claim 5, wherein: It also includes spring base, the spring base is fixedly connected with the outside of the belt funnel vertically, one end of the spring is fixedly sleeved on the outside of the spring base, and the other end is fixedly sleeved on the outside of the bent rod.
7. The belt hopper blockage shutdown device of claim 6, wherein: The diameter of the spring base is the same as the diameter of the bent rod, and the length of the spring base is 30-50mm.
8. The belt hopper blockage shutdown device of claim 7, wherein: It also includes first support rod and second support rod, one end of the first support rod is fixedly connected with the outside of the belt funnel vertically, and the other end is used to be rotatably connected with the rotary shaft, one end of the second support rod is used to be fixedly connected with the outside of the belt funnel vertically, and the other end is used to be fixedly connected with the position sensor, and the rotary shaft is 100-150mm tubular intermediate shaft.
9. The belt hopper blockage shutdown device of claim 8, wherein: The preset time of the time-delay relay is 2-3s.