CN210504762U - Remote control device for gate plate of coal feeder - Google Patents
Remote control device for gate plate of coal feeder Download PDFInfo
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- CN210504762U CN210504762U CN201920889879.8U CN201920889879U CN210504762U CN 210504762 U CN210504762 U CN 210504762U CN 201920889879 U CN201920889879 U CN 201920889879U CN 210504762 U CN210504762 U CN 210504762U
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- outer end
- feeder
- remote control
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Abstract
The utility model relates to a feeder flashboard remote control device. In order to fill the blank of the prior art, the remote control device for the flashboard of the coal feeder comprises a flashboard frame, a flashboard, a PLC (programmable logic controller), a memory, a linear displacement sensor, a gear hydraulic pump, a proportional and contractive lever and a manual flashboard opening input device, wherein the flashboard is driven by two hydraulic telescopic cylinders, the proportional and contractive lever is divided into a long arm and a short arm by the flashboard frame with asymmetrically fixed pivot points, the outer ends of the long arm and the short arm are respectively provided with a fork, the outer end of a follower rod indirectly connected with the flashboard is provided with a pin shaft, the pin shaft is clamped in the fork at the outer end of the long arm, the outer end of a slide core of the linear displacement sensor is provided with a pin shaft, and. The utility model discloses feeder flashboard remote control device simple structure, be convenient for accurate, stepless, remote control to make the staff can keep away from the flashboard, keep away from the dust, but also automatic control is applicable to each big colliery.
Description
Technical Field
The utility model relates to a feeder flashboard remote control device.
Background
After the raw coal of the coal mine is lifted and enters the buffer bin, the raw coal is controlled by a coal feeder to be put into an upper bin conveyor. The original control mode of the coal feeder flashboard is that a lead screw is adjusted on the spot by manpower to drive the flashboard to move, so that the problems of high labor intensity, severe operation environment, higher safety risk and the like exist, and particularly the personal safety of operators is seriously threatened by 'channeling the bin'.
The Chinese invention patent with the publication number of CN 203162194U, which is published in 2013, 08, 28 and 28, discloses a BFQ type coal feeder sealing gate valve, wherein a valve opening and closing cylinder is used for driving a gate plate to act, and a travel switch is used as an opening and closing in-place signal. Although the opening and closing of the flashboard can be controlled remotely, because the travel switches are used as opening and closing in-place signals and are limited in the number of the travel switches, accurate adjustment and stepless adjustment cannot be achieved, the adjustment range is large, the coal feeding and coal discharging of the coal feeder cannot be dynamically balanced, and automatic adjustment is achieved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to fill the above-mentioned blank of prior art, provide one kind can be accurate, infinitely variable control, the automatic control's of being convenient for feeder flashboard remote control device.
For solving above-mentioned technical problem, this feeder flashboard remote control device includes flashboard frame and flashboard, and the two all is squarely, flashboard both sides limit with the both sides limit sliding fit of flashboard frame, and the length of flashboard frame side is greater than or equal to 2 times the length of flashboard side, its characterized in that: the hydraulic control system further comprises a PLC controller, a memory, a linear displacement sensor, a gear hydraulic pump, a proportional scaling lever and a gate plate opening degree manual input device, wherein the PLC controller and the memory are electrically connected through a bidirectional signal line, two sides of the gate plate are respectively provided with a convex block, two side edges of the gate plate frame are provided with a longitudinal sliding groove, the convex blocks penetrate through the longitudinal sliding grooves on the same side in a one-to-one correspondence mode, two side edges of the gate plate frame respectively extend to one side to form extension arms, the outer side of each extension arm is fixedly provided with a hydraulic telescopic cylinder, each hydraulic telescopic cylinder comprises a cylinder body, a piston and a telescopic rod, the piston is arranged in the cylinder body, the piston divides the inner space of the cylinder body into a front chamber and a rear chamber, one end of the telescopic rod is fixedly arranged on the piston, the other end of the telescopic rod penetrates through the front chamber and is connected to the convex, the liquid inlet and outlet ports of the front chambers of the two hydraulic telescopic cylinders are connected in parallel through a high-pressure pipeline and then communicated with one inlet and outlet of the gear hydraulic pump, the liquid inlet and outlet ports of the rear chambers of the two hydraulic telescopic cylinders are connected in parallel through a high-pressure pipeline and then communicated with the other inlet and outlet of the gear hydraulic pump, a control circuit of the gear hydraulic pump is connected with a signal output end of a PLC (programmable logic controller) and is controlled by the PLC, the linear displacement sensor comprises a sliding sleeve shell, a sliding core and a detection signal output circuit, the sliding core is arranged in the sliding sleeve shell, the manual gate plate opening input device is provided with a control signal output end, the control signal output end of the manual gate plate opening input device and the detection signal output circuit of the linear displacement sensor are both connected with the signal input end of the PLC, the proportional and zoom levers are asymmetric levers, and the fulcrums of, the articulated shaft divides the scaling lever into a long arm and a short arm, the outer ends of the long arm and the short arm are respectively provided with a fork opening, a follower rod parallel to the axial lead of the hydraulic telescopic cylinder is further arranged on a lug adjacent to the outer end of the long arm, the outer end of the follower rod is provided with a pin shaft which is clamped in the fork opening at the outer end of the long arm, a sliding sleeve shell of the linear displacement sensor is fixed on an extension arm adjacent to the outer end of the short arm, the outer end of a sliding core of the linear displacement sensor is provided with a pin shaft, and the pin shaft is clamped in the fork opening at the outer end of the short.
The positions of the sliding cores sensed by the linear displacement sensors correspond to the opening degree of the gate plates one by one. The PLC controls the hydraulic telescopic cylinder to extend or contract by controlling the gear hydraulic pump to rotate positively and negatively so as to switch the flashboard of the coal feeder. During the use, people input relevant flashboard aperture instruction, and the PLC controller finds out corresponding smooth core position, then starts gear hydraulic pump, drives hydraulic telescoping cylinder extension or shrink, and then drives smooth core reachs the relevant position, and the flashboard is corresponding aperture just this moment. By the design, the device can be remotely, accurately and steplessly adjusted.
As optimization, the manual input device of flashboard aperture is adjust knob or button, long arm length is 5 times of short arm length, and long arm length does the intraoral round pin axle center line distance of fork of long arm outer end the distance of articulated shaft axial lead, short arm length does the intraoral round pin axle center line distance of fork of short arm outer end the distance of articulated shaft axial lead. The design has simple structure, low cost and convenient disassembly, assembly and maintenance.
Preferably, the extension arm adjacent to the outer end of the short arm is further provided with a longitudinal guide sliding groove, and the pin shaft at the outer end of the sliding core is arranged in the longitudinal guide sliding groove. By the design, the sliding core can be effectively prevented from deforming.
As optimizing, it still includes the ultrasonic wave charge level indicator, and this ultrasonic wave charge level indicator sets up in adapted feeder surge bin top, and this ultrasonic wave charge level indicator passing signal line links to each other with the signal input part of PLC controller, the manual input device of flashboard aperture is the touch-sensitive screen, and this touch-sensitive screen passes through two-way signal line electric connection with the PLC controller, real-time display on the touch-sensitive screen the charge level numerical value of the interior coal charge of adapted feeder surge bin is measured to the ultrasonic wave charge level indicator. So design, be convenient for according to the material level of the coal charge in the adapted feeder surge bin, real-time remote control flashboard aperture, and then the material level of the coal charge in the control adapted feeder surge bin.
And optimally, the PLC measures the material level value of the coal material in the surge bin of the coal blending feeder according to the ultrasonic material level meter, automatically adjusts the opening degree of the flashboard, and controls the material level of the coal material in the surge bin of the coal blending feeder to be within a preset value or a preset value range. By the design, automatic control can be realized.
The utility model discloses feeder flashboard remote control device simple structure, be convenient for accurate, stepless, remote control to make the staff can keep away from the flashboard, keep away from the dust, but also automatic control is applicable to each big colliery.
Drawings
The utility model discloses coal feeder flashboard remote control device is further explained below with the accompanying drawing:
FIG. 1 is a schematic diagram of a fully closed state of a shutter of a first embodiment of the remote control device for the shutter of the coal feeder;
FIG. 2 is a schematic diagram of a shutter plate in a fully open state according to a first embodiment of the remote control device for the shutter plate of the coal feeder;
fig. 3 is a schematic structural diagram of a second embodiment of the coal feeder gate remote control device.
In the figure: the device comprises a gate plate frame 1, a gate plate 2, a PLC controller 3, a memory 4, a linear displacement sensor 5, a gear hydraulic pump 6, a scaling lever 7, a gate plate opening manual input device 8, a bump 9, a longitudinal sliding chute 10, an extension arm 11, a hydraulic telescopic cylinder 12, a cylinder body 121, a telescopic rod 122, a sliding sleeve shell 51, a sliding core 52, a hinged shaft 71, a fork opening 72, a follower rod 13, a pin shaft 14, a longitudinal guide sliding chute 15, an ultrasonic level meter 16, a matched coal feeder buffer bin 17 and a matched rubber belt conveyor 18.
Detailed Description
The first implementation mode comprises the following steps: as shown in fig. 1 and 2, the remote control device for the gate plate of the coal feeder comprises a gate plate frame 1 and a gate plate 2, wherein the gate plate frame 1 and the gate plate 2 are both square, two side edges of the gate plate 2 are in sliding fit with two side edges of the gate plate frame 1, and the length of the side edge of the gate plate frame 1 is more than or equal to 2 times that of the side edge of the gate plate 2, and the remote control device is characterized in that: the device also comprises a PLC (programmable logic controller) 3, a memory 4, a linear displacement sensor 5, a gear hydraulic pump 6, a scaling lever 7 and a gate plate opening manual input device 8, wherein the PLC 3 and the memory 4 are electrically connected through a bidirectional signal line.
The improved gate structure is characterized in that protruding blocks 9 are arranged on two sides of the gate plate 2 respectively, longitudinal sliding grooves 10 are formed in two side edges of the gate plate frame 1, the protruding blocks 9 penetrate the longitudinal sliding grooves 10 on the same side in a one-to-one correspondence mode, extension arms 11 extend out of the two side edges of the gate plate frame 1 towards one side respectively, and a hydraulic telescopic cylinder 12 is fixed on the outer side of each extension arm 11. The outer ends of the two extension arms 11 are connected.
Each hydraulic telescopic cylinder 12 comprises a cylinder body 121, a piston and a telescopic rod 122, wherein the piston is arranged in the cylinder body 121, the piston divides the inner space of the cylinder body 121 into a front chamber and a rear chamber, one end of the telescopic rod 122 is fixed on the piston, the other end of the telescopic rod passes through the front chamber, extends out of the cylinder body 121 and then is connected to the lug 9 on the same side. The front chamber and the rear chamber of the hydraulic telescopic cylinder 12 are respectively provided with a liquid inlet and a liquid outlet, the gear hydraulic pump 6 is provided with two inlets and outlets and a control circuit, the liquid inlet and outlet of the front chamber of the two hydraulic telescopic cylinders 12 are connected in parallel through a high-pressure pipeline and then communicated with one inlet and outlet of the gear hydraulic pump 6, the liquid inlet and outlet of the rear chamber of the two hydraulic telescopic cylinders 12 are connected in parallel through a high-pressure pipeline and then communicated with the other inlet and outlet of the gear hydraulic pump 6, and the control circuit of the gear hydraulic pump 6 is connected with a signal output end of the PLC controller 3 and is controlled by the.
The proportional scaling lever 7 is an asymmetric lever, the pivot of the proportional scaling lever is fixed on the gate frame 1 between the roots of the two extension arms 11 through a hinge shaft 71, the hinge shaft 71 divides the proportional scaling lever into a long arm and a short arm, the outer ends of the long arm and the short arm are respectively provided with a fork 72, a follower rod 13 parallel to the axial lead of the hydraulic telescopic cylinder 12 is further arranged on a lug 9 adjacent to the outer end of the long arm, the outer end of the follower rod 13 is provided with a pin shaft 14, the pin shaft 14 is clamped in the fork 72 at the outer end of the long arm, the sliding sleeve shell 51 of the linear displacement sensor 5 is fixed on the extension arm 11 adjacent to the outer end of the short arm, the outer end of the sliding core 52 is provided with a pin shaft 14, and the pin shaft 14 is clamped in the fork 72 at the.
The manual gate opening input device 8 is an adjusting knob (of course, a button can be used to replace the adjusting knob), as shown in fig. 1 and 2.
The long arm length is 5 times of the short arm length, the long arm length is the distance between the 14 axle center lines of the pin shafts in the fork openings 72 at the outer ends of the long arms and the axle center line of the hinge shaft 71, and the short arm length is the distance between the 14 axle center lines of the pin shafts in the fork openings 72 at the outer ends of the short arms and the axle center line of the hinge shaft 71.
The extension arm 11 adjacent to the outer end of the short arm is also provided with a longitudinal guide sliding groove 15, and the pin 14 at the outer end of the sliding core 52 is arranged in the longitudinal guide sliding groove 15.
The second embodiment: as shown in fig. 3, it further includes an ultrasonic level gauge 16, the ultrasonic level gauge 16 is disposed above the distribution feeder surge bin 17, and the ultrasonic level gauge 16 is connected to a signal input terminal of the PLC controller 3 through a signal line.
In fig. 3, the manual flashboard opening input device 8 is a touch screen, the touch screen is electrically connected with the PLC controller 3 through a bidirectional signal line, and the ultrasonic level indicator 16 is displayed on the touch screen 3 in real time to measure the level value of the coal in the surge bin 17 of the coal blending feeder.
The PLC 3 measures the material level numerical value of the coal material in the matched coal feeder surge bin 17 according to the ultrasonic material level meter 16, automatically adjusts the opening degree of the gate plate 1, controls the material level of the coal material in the matched coal feeder surge bin 17 to be in a preset numerical value (such as 1.2 meters away from the gate plate) or a preset numerical range (such as 1.2-1.6 meters away from the gate plate), and has other structures which are slightly designed as the first embodiment.
Claims (5)
1. The utility model provides a feeder flashboard remote control device, includes flashboard frame and flashboard, and the two all is squarely, flashboard both sides limit with the both sides limit sliding fit of flashboard frame, and the length of flashboard frame side is more than or equal to 2 times the length of flashboard side, its characterized in that: the hydraulic control system further comprises a PLC controller, a memory, a linear displacement sensor, a gear hydraulic pump, a proportional scaling lever and a gate plate opening degree manual input device, wherein the PLC controller and the memory are electrically connected through a bidirectional signal line, two sides of the gate plate are respectively provided with a convex block, two side edges of the gate plate frame are provided with a longitudinal sliding groove, the convex blocks penetrate through the longitudinal sliding grooves on the same side in a one-to-one correspondence mode, two side edges of the gate plate frame respectively extend to one side to form extension arms, the outer side of each extension arm is fixedly provided with a hydraulic telescopic cylinder, each hydraulic telescopic cylinder comprises a cylinder body, a piston and a telescopic rod, the piston is arranged in the cylinder body, the piston divides the inner space of the cylinder body into a front chamber and a rear chamber, one end of the telescopic rod is fixedly arranged on the piston, the other end of the telescopic rod penetrates through the front chamber and is connected to the convex, the liquid inlet and outlet ports of the front chambers of the two hydraulic telescopic cylinders are connected in parallel through a high-pressure pipeline and then communicated with one inlet and outlet of the gear hydraulic pump, the liquid inlet and outlet ports of the rear chambers of the two hydraulic telescopic cylinders are connected in parallel through a high-pressure pipeline and then communicated with the other inlet and outlet of the gear hydraulic pump, a control circuit of the gear hydraulic pump is connected with a signal output end of a PLC (programmable logic controller) and is controlled by the PLC, the linear displacement sensor comprises a sliding sleeve shell, a sliding core and a detection signal output circuit, the sliding core is arranged in the sliding sleeve shell, the manual gate plate opening input device is provided with a control signal output end, the control signal output end of the manual gate plate opening input device and the detection signal output circuit of the linear displacement sensor are both connected with the signal input end of the PLC, the proportional and zoom levers are asymmetric levers, and the fulcrums of, the articulated shaft divides the scaling lever into a long arm and a short arm, the outer ends of the long arm and the short arm are respectively provided with a fork opening, a follower rod parallel to the axial lead of the hydraulic telescopic cylinder is further arranged on a lug adjacent to the outer end of the long arm, the outer end of the follower rod is provided with a pin shaft which is clamped in the fork opening at the outer end of the long arm, a sliding sleeve shell of the linear displacement sensor is fixed on an extension arm adjacent to the outer end of the short arm, the outer end of a sliding core of the linear displacement sensor is provided with a pin shaft, and the pin shaft is clamped in the fork opening at the outer end of the short.
2. The feeder ram remote control device of claim 1, wherein: the manual input device of flashboard aperture is adjust knob or button, long arm length is 5 times of forearm length, and long arm length does the intraoral round pin axle center line distance of fork of long arm outer end the distance of articulated shaft axial lead, forearm length does the intraoral round pin axle center line distance of fork of forearm outer end the distance of articulated shaft axial lead.
3. The feeder ram remote control device of claim 1, wherein: the extension arm adjacent to the outer end of the short arm is also provided with a longitudinal guide sliding groove, and a pin shaft at the outer end of the sliding core is arranged in the longitudinal guide sliding groove.
4. The feeder ram remote control device of claim 1, wherein: it still includes the ultrasonic wave charge level indicator, and this ultrasonic wave charge level indicator sets up in adapted feeder surge bin top, and this ultrasonic wave charge level indicator passing signal line links to each other with the signal input part of PLC controller, the manual input device of flashboard aperture is the touch-sensitive screen, and this touch-sensitive screen passes through two-way signal line electricity with the PLC controller and is connected, shows in real time on the touch-sensitive screen the ultrasonic wave charge level indicator measures the material level numerical value of the interior coal charge of adapted feeder surge bin.
5. The feeder ram remote control device of claim 4, wherein: the PLC measures the material level value of the coal material in the matched coal feeder surge bin according to the ultrasonic material level meter, automatically adjusts the opening degree of the flashboard, and controls the material level of the coal material in the matched coal feeder surge bin to be within a preset value or a preset value range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889879.8U CN210504762U (en) | 2019-06-11 | 2019-06-11 | Remote control device for gate plate of coal feeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889879.8U CN210504762U (en) | 2019-06-11 | 2019-06-11 | Remote control device for gate plate of coal feeder |
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| CN210504762U true CN210504762U (en) | 2020-05-12 |
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| CN201920889879.8U Active CN210504762U (en) | 2019-06-11 | 2019-06-11 | Remote control device for gate plate of coal feeder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717683A (en) * | 2020-06-30 | 2020-09-29 | 南京工程学院 | Feeding device capable of quickly adjusting feeding amount |
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2019
- 2019-06-11 CN CN201920889879.8U patent/CN210504762U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717683A (en) * | 2020-06-30 | 2020-09-29 | 南京工程学院 | Feeding device capable of quickly adjusting feeding amount |
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