CN111442104A - Mechanical interlocking type compressed air pipe automatic water drainage device - Google Patents

Mechanical interlocking type compressed air pipe automatic water drainage device Download PDF

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Publication number
CN111442104A
CN111442104A CN202010251720.0A CN202010251720A CN111442104A CN 111442104 A CN111442104 A CN 111442104A CN 202010251720 A CN202010251720 A CN 202010251720A CN 111442104 A CN111442104 A CN 111442104A
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China
Prior art keywords
water
piston
cylinder
storage mechanism
water storage
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CN202010251720.0A
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Chinese (zh)
Inventor
李强
李磊
郜慧青
荣乾坤
郭宏
杜梦远
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Shanxi Lu'an Environmental Energy Development Co ltd Wangzhuang Coal Mine
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Shanxi Lu'an Environmental Energy Development Co ltd Wangzhuang Coal Mine
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Priority to CN202010251720.0A priority Critical patent/CN111442104A/en
Publication of CN111442104A publication Critical patent/CN111442104A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00—Drainage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • F16K31/30—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a gate valve or sliding valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/46—Mechanical actuating means for remote operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
    • F16K31/523—Mechanical actuating means with crank, eccentric, or cam comprising a sliding valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

The invention relates to a mechanical interlocking type automatic water discharging device for a compressed air pipe, which utilizes a pneumatic control system to drive a piston and a pipe hole in a water storage mechanism to move, utilizes the movement of a valve core and the piston to block and stagger a water discharging hole, utilizes the working mechanism that one part of the upper piston and the lower valve core of the water storage mechanism completely blocks the water discharging hole and the other part can just begin to expose the water discharging hole, realizes the mechanical interlocking between the piston and the valve core, completely avoids the pressure loss of the compressed air pipe caused by the water discharging of the water storage mechanism, adopts P L C control to simplify a circuit and improve the stability and the reliability of the circuit, utilizes a crank slider mechanism to drive the piston and the valve core and transfer the acting force of an air cylinder and a spring, adopts a three-position five-way electromagnetic valve to switch the extension and the shortening of the air cylinder, and because the three-position five-way electromagnetic valve can be immediately powered off through a reed switch spring on the air cylinder to enable the three-position five-way electromagnetic valve to be.

Description

Mechanical interlocking type compressed air pipe automatic water drainage device
Technical Field
The invention relates to the technical field of mine safety, in particular to a mechanical interlocking type automatic water discharging device for a compressed air pipe.
Background
Pneumatic tools such as an underground air pick, an air pump, an air drill and the like are all driven by wind power in the air compression pipe. After compressed air generated by the pressure fan enters the pressure air pipe, moisture contained in the air is gradually condensed into water drops which are deposited in the pipeline. After a long time, the accumulated water in the pipeline occupies a certain space, so that the sectional area of the gas flowing through the pipeline is reduced, the resistance of the gas flowing is increased, and the head loss of the gas is increased. The pneumatic tool is insufficient in air pressure due to excessive pressure head loss, so that the torque of an air pump, an air pick and an air drill is reduced, and the work of drainage, drilling, tunneling and the like is influenced. Therefore, the influence of the accumulated water of the air compressing pipe and the air leakage of the air compressing pipe on the wind power of the air compressing pipe is the same. Present water storage mechanism needs artifical switching valve to drain, but often because workman's carelessness, does not in time drain, when the water level risees to the compressed air pipe position, can interrupt the process of draining, causes the phenomenon of compressed air pipe ponding once more.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mechanical interlocking type automatic water discharging device for a compressed air pipe, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the mechanical interlocking type compressed air pipe automatic water discharging device is constructed and comprises a water storage mechanism, a water discharging piston mechanism, a pneumatic control mechanism and an air cylinder electric control mechanism;
the water storage mechanism is a cubic container, a water inlet pipe sleeve and a water outlet pipe sleeve which extend inwards are arranged at positions on the side wall of the water storage mechanism, which are close to the top and the bottom, a water inlet pipe is arranged in the water inlet pipe sleeve, the water inlet pipe penetrates through the side wall from the outside of the water storage mechanism and enters the water inlet pipe sleeve, a water inlet is arranged at a first position in the water inlet pipe sleeve, a water inlet penetrates through the water inlet pipe sleeve, and the inside of the water inlet pipe sleeve is communicated with the inside of the water storage mechanism; meanwhile, a water outlet communicated with the inside of the water storage mechanism and the inside of the water discharge pipe sleeve is arranged at a second position at the top of the water discharge pipe sleeve, and a communicated water discharge pipe is arranged between a third position at the bottom of the water discharge pipe sleeve and the side wall of the water storage mechanism, so that water in the water storage mechanism is discharged out of the water storage mechanism through the water outlet and the water discharge pipe; a floating ball switch is arranged on the inner side wall of the water storage mechanism, and an upper limit switch and a lower limit switch of the floating ball switch are arranged at the upper limit position and the lower limit position of the water level in the water storage mechanism;
the water drainage piston mechanism comprises a cylinder, a first crank, a push-pull handle, a piston, a second crank, a push-pull rod and a valve core; the first crank comprises a long crank arm and a short crank arm which are connected through a rotating shaft, a piston rod of the air cylinder is connected with the long crank arm of the first crank through a connecting pin, one end of the short crank arm is connected with the long crank arm, a protruding cylindrical sliding block is arranged at the other end of the short crank arm, the push-pull handle is of a rectangular structure with the middle hollowed out as a sliding hole, and the sliding block extends into the sliding hole of the push-pull handle and moves relative to the sliding hole; a piston rod provided with a piston, wherein one end of the piston rod penetrates into the water storage mechanism to be connected with the piston, and the other end of the piston rod is fixedly connected to the middle part of the push-pull handle; a spring fixing seat is arranged on a rod body of the piston rod positioned in the water storage mechanism, a spring is arranged between the spring fixing seat and the inner wall of the water storage mechanism, and the spring is wound on the rod body of the piston rod arranged between the spring fixing seat and the inner wall of the water storage mechanism; the section of the piston is matched with the section of the water inlet pipe, so that the piston does reciprocating motion relative to the water inlet pipe sleeve under the action of the piston rod; the push-pull rod is connected with the valve core, and the section of the valve core is matched with the section of the water drain pipe, so that the valve core does reciprocating motion relative to the water drain pipe sleeve under the action of the push-pull rod; the valve core is internally provided with a pipe hole, the two ends of which are vertically turned upwards and downwards respectively and penetrate through the outside of the valve core, and when the inlet of the pipe hole is superposed with the position of the water outlet, the outlet of the pipe hole is also moved to the position superposed with the pipe orifice of the water outlet pipe; the piston rod and the push-pull rod are both provided with a sliding block, and the two sliding blocks are connected with a second crank; the second crank comprises a first crank arm and a second crank arm, and the first crank arm and the second crank arm are of rectangular structures with the middle parts hollowed out into sliding holes; a rotating shaft penetrates between the two crank arms so as to enable the second crank to rotate around the rotating shaft; the piston rod and the sliding block on the push-pull rod respectively extend into the sliding holes of the first crank arm and the second crank arm;
the pneumatic control mechanism comprises an electromagnetic valve which is respectively connected to a rod cavity and a rodless cavity of the cylinder through air pipes so as to control the extension and compression of the cylinder;
the cylinder electric control mechanism comprises a P L C controller, contacts of a button, a float switch and a reed switch are respectively connected with each input port of the P L C controller and then sequentially form a closed loop with a 24V direct current power supply and a com end, wherein an output port is connected with a coil of an electromagnetic valve, and forms a closed loop with a 36V alternating current power supply and the com end;
the electrification condition of a coil connected with a P L C controller is controlled through a float switch, a button and a reed switch, so that the working condition of the electromagnetic valve is changed, the expansion and contraction of the electromagnetic valve control cylinder drives the piston and the valve core to move, and the automatic water drainage in the water storage mechanism is realized.
In the mechanical interlocking type compressed air pipe automatic water discharging device, the electromagnetic valve is a three-position five-way valve, a left coil and a right coil are arranged and are connected to an output port of a P L C controller.
In the mechanical interlocking type compressed air pipe automatic water discharging device, two ends of an air cylinder are respectively provided with a reed switch, and the edge of a piston of the air cylinder is provided with a magnetic ring; the fixed position of reed switch sets up in: the cylinder is extended to a position where the cylinder piston is opposite to the cylinder wall when the piston is just completely staggered with the water inlet, and the cylinder is shortened to a position where the cylinder piston is opposite to the cylinder wall when the water outlet and the pipeline inlet are completely overlapped.
In the mechanical interlocking type automatic water discharging device for the compressed air pipe, a contact switch of a reed switch is also connected to an input port of a P L C controller and forms a closed loop with a 24V direct-current power supply and a com end in sequence.
In the mechanical interlocking type compressed air pipe automatic water discharging device, the port of the three-position five-way valve is respectively connected with two exhaust pipes and an air inlet pipe, and a backpressure valve is respectively connected into the two exhaust pipes and used for keeping the cylinder stable during action and stopping the cylinder immediately during power failure.
The mechanical interlocking type automatic water drain device for the compressed air pipe is characterized in that a piston and a valve core arranged in a water storage mechanism are driven to move by a pneumatic control system, the water inlet (water outlet) of the water storage mechanism is plugged and connected by the movement of the piston and the valve core, the principle of air and liquid control elements is ingeniously utilized, the working mechanism that one side of the upper piston and the lower valve core of the water storage mechanism completely plugs the water inlet (water outlet) and the other side of the upper piston and the lower valve core of the water storage mechanism can just start to expose the water inlet (water outlet) is utilized, the mechanical interlocking between the upper piston and the lower valve core is realized, the pressure loss of the compressed air pipe caused by water drainage of the water storage mechanism is thoroughly avoided, the device adopts P L C for control due to more position switches and complex circuits, the circuit is simplified, the stability and reliability of the circuit are improved, the device ingeniously utilizes a crank slider mechanism to drive the piston and the valve core and transfer the acting force of the cylinder and a spring, the three-position five-way electromagnetic valve is adopted to switch the extension and the shortening of the cylinder, and the five-way electromagnetic valve can be powered off by a reed switch, so that the three-position.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of an automatic water discharging device of a mechanical interlocking type compressed air pipe provided by the invention.
Fig. 2 is a schematic structural diagram of a pneumatic control mechanism of an automatic water discharging device of a mechanical interlocking type compressed air pipe provided by the invention.
Fig. 3 is an electrical connection schematic diagram of an air cylinder electric control mechanism of the mechanical interlocking type compressed air pipe automatic water discharging device provided by the invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the mechanical interlocking type compressed air pipe automatic water discharging device comprises a water storage mechanism 1, a water discharging piston mechanism 2, a pneumatic control mechanism 3 and a cylinder electric control mechanism 4;
the water storage mechanism 1 is a cubic container, a water inlet pipe sleeve 11 and a water outlet pipe sleeve 12 which extend inwards are arranged at positions on the side wall of the water storage mechanism 1 close to the top and the bottom, a water inlet pipe 13 is arranged in the water inlet pipe sleeve 11, the water inlet pipe 13 penetrates through the side wall from the outside of the water storage mechanism and enters the water inlet pipe sleeve 11, a water inlet 14 is arranged at a first position in the water inlet pipe sleeve 11, and the water inlet 14 penetrates through the water inlet pipe sleeve 11 to communicate the inside of the water inlet pipe sleeve 11 with the inside of the water storage mechanism 1; meanwhile, a water outlet 15 communicated with the inside of the water storage mechanism 1 and the inside of the water discharge pipe sleeve 12 is arranged at a second position at the top of the water discharge pipe sleeve 12, and a communicated water discharge pipe 16 is arranged between a third position at the bottom of the water discharge pipe sleeve 12 and the side wall of the water storage mechanism, so that water in the water storage mechanism is discharged out of the water storage mechanism 1 through the water outlet 15 and the water discharge pipe 16; a float switch 17 is arranged on the inner side wall of the water storage mechanism 1, and an upper limit switch and a lower limit switch of the float switch are arranged at the upper limit position and the lower limit position of the water level in the water storage mechanism 1;
the water drainage piston mechanism 2 comprises a cylinder 21, a first crank 22, a push-pull handle 23, a piston 24, a second crank 25, a push-pull rod 26 and a valve core 27; the first crank 22 comprises a long crank arm 221 and a short crank arm 222, the long crank arm 221 and the short crank arm 222 penetrate through the rotating shaft between the two arms, the piston rod 211 of the cylinder 21 is connected with the long crank arm 221 of the first crank through a connecting pin, one end of the short crank arm 222 is connected with the long crank arm 221, the other end of the short crank arm is provided with a protruding cylindrical sliding block 2221, the push-pull handle 23 is of a rectangular structure, the middle of the push-pull handle is hollowed into the sliding hole 231, and the cylindrical sliding block 2221 extends into the sliding hole 231 of the push-pull handle 23 and moves; a piston rod 241 provided with a piston 24, one end of which penetrates into the water storage mechanism 1 and is connected with the piston 24, and the other end of which is fixedly connected with the middle part of the push-pull handle 23; a spring fixing seat 28 is arranged on the rod body of the piston rod 241 positioned in the water storage mechanism 1, a spring 281 is arranged between the spring fixing seat 28 and the inner wall of the water storage mechanism 1, and the spring 281 is wound on the rod body of the piston rod 241 between the spring fixing seat 28 and the inner wall of the water storage mechanism 1; the section of the piston 24 is matched with the section of the water inlet pipe sleeve 11, so that the piston 24 reciprocates relative to the water inlet pipe sleeve 11 under the action of the piston rod 241; the push-pull rod 26 is connected with the valve core 27, the section of the valve core 27 is matched with the cross section of the drain pipe sleeve 12, so that the valve core 27 reciprocates relative to the drain pipe sleeve 12 under the action of the push-pull rod 26; the valve core 27 is internally provided with a pipe hole 271, two ends of the pipe hole 271 vertically turn upwards and downwards respectively and penetrate through the outside of the valve core, the pipeline is arranged in a Z shape, the inlet of the pipe hole 271 is arranged on the upper surface of the valve core 27, the outlet of the pipeline is arranged on the lower surface of the valve core 27, and when the inlet of the pipeline moves to a position overlapped with the water outlet 15, the outlet of the pipe hole is overlapped with the pipe orifice of the water outlet pipe 16; the piston rod 241 and the push-pull rod 26 are both provided with a slide block 2411 and a slide block 261, and the two slide blocks are connected with a second crank 25; the second crank 25 comprises a first crank arm 251 and a second crank arm 252, which are rectangular structures with hollow-out sliding holes 2511 and 2521 in the middle; a rotating shaft is arranged between the first crank arm 251 and the second crank arm 252, the crank 25 can rotate around the rotating shaft, and the sliding blocks 2411 and 261 on the piston rod and the push-pull rod respectively extend into the sliding holes 2511 and 2521 of the first crank arm and the second crank arm;
the pneumatic control mechanism 3 comprises an electromagnetic valve 31 which is respectively connected to a rod cavity 211 and a rodless cavity 212 of the cylinder 21 through air pipes 32 and 33 so as to control the extension and compression of the cylinder 21;
the cylinder electric control mechanism 4 comprises a P L C controller 41, contacts of a control button, a float switch 17 and two reed switches 213 and 214 are respectively connected with each input port of the P L C controller and then sequentially form a closed loop with a 24V direct current power supply and a com end, wherein an output port is connected with a coil of an electromagnetic valve, and forms a closed loop with a 36V alternating current power supply and the com end;
the electrification condition of a coil connected with the P L C controller 41 is controlled by a float switch, a reed switch and a button, so that the working condition of the electromagnetic valve 31 is changed, the expansion and contraction of the cylinder 21 are controlled by the electromagnetic valve 31, the piston 24 and the valve core 27 are driven to move, and the plugging and the connection of a water inlet (a water outlet) of the water storage mechanism are realized.
In the mechanical interlocking type automatic water discharging device for the compressed air pipe, the electromagnetic valve 31 is a three-position five-way valve, is provided with a left coil and a right coil, and is connected to an output port of a P L C controller 41.
In the mechanical interlocking type automatic water discharging device for the compressed air pipe, two ends of an air cylinder 21 are respectively provided with a reed switch 213 and a reed switch 214, and the edge of an air cylinder piston 215 is provided with a magnetic ring 216; the fixed position of reed switch sets up in: the cylinder 21 is extended to a position where the cylinder piston 215 opposes the cylinder wall immediately after the piston 24 is completely displaced from the water inlet 14, and the cylinder 21 is shortened to a position where the cylinder piston 215 opposes the cylinder wall when the discharge port 15 and the valve body 27 completely overlap.
In the mechanical interlocking type automatic water discharging device of the compressed air pipe, the contacts of the reed switches 213 and 214 are also connected to the input port of the P L C controller 41, and sequentially form a closed loop with the 24V direct current power supply and the com end.
In the mechanical interlocking type automatic water discharging device for the compressed air pipe, the port of the three-position five-way valve is respectively connected with two exhaust pipes and an air inlet pipe, and the two exhaust pipes are respectively connected with a backpressure valve 32 which is used for keeping the stability of the cylinder during action and stopping the cylinder immediately during power failure.
The pneumatic control mechanism 3 is constructed as shown in fig. 2, in which a permanent magnetic ring is attached to a piston 215 of a cylinder, and reed switches are fixed to housings at predetermined positions on the upper and lower portions of a cylinder 21 by steel bands, respectively. The rodless cavity 212 and the rod cavity 211 are respectively connected with two air pipes, and the other ends of the two air pipes are respectively connected to a working port of the three-position five-way valve. Two exhaust pipes and an air inlet pipe are respectively connected below the three-position five-way valve.
The structure of the cylinder electrical control mechanism 4 is shown in fig. 3, FR in fig. 3 is a thermistor, FU is a fuse, coils YV and YV are provided on the left and right sides of the three-position five-way valve, control buttons SB and SB corresponding to the coils YV and YV are provided inside the three-position five-way valve, the coils YV and YV are energized by closing the contact switches SB and SB, and further control the expansion and contraction of the cylinder 21, specifically, when the push button SB or the lower limit normal close point SQ of the float switch 17 is pressed to be opened, the coil YV is energized, and the air pipe is charged into the rodless chamber 212 through the three-position five-way valve, so that the rod chamber 211 is exhausted to the outside, the cylinder 21 is extended, when the piston 215 is driven to approach the position of the reed switch 213, the contact point SQ of the reed switch 213 is closed, the coil YV is deenergized by logic control, the coil YV, the coil SQ stops being charged into the rodless chamber 212, the air pipe orifice 21 is opened, the air pipe orifice 213 is closed, the air pipe orifice 21 is opened, when the logical point is closed, the logical point is set to the logical point P1, the logical point is closed, the logical point is set to be closed, the logical point closed, the logical switch 213 is set when the logical valve plug of the air cylinder 21C 21, the logical valve plug 21, the logical valve plug of the logical valve plug 21, the logical valve plug 14, the logical valve plug 21, the logical valve plug 14, the logical valve plug:
Figure 7870DEST_PATH_IMAGE001
in use, the state shown in fig. 1 is that the cylinder 21 is extended to the maximum distance allowed by the reed switch 213 with rod cavity, when the piston 24 is just completely staggered from the water inlet 14, the accumulated water in the pneumatic tube flows into the water storage mechanism 1, the pipe 271 of the valve core 27 is completely blocked, preventing leakage of air in the pneumatic tube, when the water level inside the water storage mechanism 1 rises to a certain level, the upper limit normally open contact SQ1 of the float switch 17 is closed, when the P L C controller 41 energizes the left coil YV2 of the three-position five-way solenoid valve, the cylinder 21 has the rod cavity 211 to intake air and the rodless cavity 212 to exhaust air, the cylinder 21 shortens, pulls the first crank 22 hinged thereto to rotate clockwise, i.e., the long crank arm rotates downward, the short crank arm rotates upward, when the short crank arm 222 rotates upward, the slider 1 at the end thereof is horizontally distanced from the fixed shaft, thus the spring push the push-pull-push handle 23 to-push the spring 281 to-be in a compressed state, having an elastic force, whereby the spring 281 pushes the piston rod push-pull-push-open-push-pull-push-pull-push-piston-push-pull-push-piston-push-pull-push-pull-piston-pull-piston-push-piston-push-piston.
When the water in the water storage mechanism 1 falls to a certain position, the lower limit normally closed contact SQ2 of the float switch 17 is opened, and the cylinder 21 starts to extend. The following sequence of actions and the working principle are exactly opposite to those of the shortened cylinder 21, and are not described in detail herein.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. The utility model provides an automatic water discharging device of mechanical interlocking type pressure tuber pipe which characterized in that includes:
the water storage mechanism, the water discharge piston mechanism, the pneumatic control mechanism and the air cylinder electric control mechanism are arranged in the cylinder body;
the water storage mechanism is a cubic container, a water inlet pipe sleeve and a water outlet pipe sleeve which extend inwards are arranged at positions on the side wall of the water storage mechanism, which are close to the top and the bottom, a water inlet pipe is arranged in the water inlet pipe sleeve, the water inlet pipe penetrates through the side wall from the outside of the water storage mechanism and enters the water inlet pipe sleeve, a water inlet is arranged at a first position in the water inlet pipe sleeve, a water inlet penetrates through the water inlet pipe sleeve, and the inside of the water inlet pipe sleeve is communicated with the inside of the water storage mechanism; meanwhile, a water outlet communicated with the inside of the water storage mechanism and the inside of the water discharge pipe sleeve is arranged at a second position at the top of the water discharge pipe sleeve, and a communicated water discharge pipe is arranged between a third position at the bottom of the water discharge pipe sleeve and the side wall of the water storage mechanism, so that water in the water storage mechanism is discharged out of the water storage mechanism through the water outlet and the water discharge pipe; a floating ball switch is arranged on the inner side wall of the water storage mechanism, and an upper limit switch and a lower limit switch of the floating ball switch are arranged at the upper limit position and the lower limit position of the water level in the water storage mechanism;
the water drainage piston mechanism comprises a cylinder, a first crank, a push-pull handle, a piston, a second crank, a push-pull rod and a valve core; the first crank comprises a long crank arm and a short crank arm which are connected through a rotating shaft, a piston rod of the air cylinder is connected with the long crank arm of the first crank through a connecting pin, one end of the short crank arm is connected with the long crank arm, a protruding cylindrical sliding block is arranged at the other end of the short crank arm, the push-pull handle is of a rectangular structure with the middle hollowed out as a sliding hole, and the sliding block extends into the sliding hole of the push-pull handle and moves relative to the sliding hole; a piston rod provided with a piston, wherein one end of the piston rod penetrates into the water storage mechanism to be connected with the piston, and the other end of the piston rod is fixedly connected to the middle part of the push-pull handle; a spring fixing seat is arranged on a rod body of the piston rod positioned in the water storage mechanism, a spring is arranged between the spring fixing seat and the inner wall of the water storage mechanism, and the spring is wound on the rod body of the piston rod arranged between the spring fixing seat and the inner wall of the water storage mechanism; the section of the piston is matched with the section of the water inlet pipe, so that the piston does reciprocating motion relative to the water inlet pipe sleeve under the action of the piston rod; the push-pull rod is connected with the valve core, and the section of the valve core is matched with the section of the water drain pipe, so that the valve core does reciprocating motion relative to the water drain pipe sleeve under the action of the push-pull rod; the valve core is internally provided with a pipe hole, the two ends of which are vertically turned upwards and downwards respectively and penetrate through the outside of the valve core, and when the inlet of the pipe hole is superposed with the position of the water outlet, the outlet of the pipe hole is also moved to the position superposed with the pipe orifice of the water outlet pipe; the piston rod and the push-pull rod are both provided with a sliding block, and the two sliding blocks are connected with a second crank; the second crank comprises a first crank arm and a second crank arm, and the first crank arm and the second crank arm are of rectangular structures with the middle parts hollowed out into sliding holes; a rotating shaft penetrates between the two crank arms so as to enable the second crank to rotate around the rotating shaft; the piston rod and the sliding block on the push-pull rod respectively extend into the sliding holes of the first crank arm and the second crank arm;
the pneumatic control mechanism comprises an electromagnetic valve which is respectively connected to a rod cavity and a rodless cavity of the cylinder through air pipes so as to control the extension and compression of the cylinder;
the cylinder electric control mechanism comprises a P L C controller, a solenoid valve switch button and a contact switch of a float switch are respectively connected with an input port of the P L C controller and then sequentially form a closed loop with a 24V direct current power supply and a com end, wherein an output port is connected with a coil of a solenoid valve, and forms a closed loop with a 36V alternating current power supply and the com end;
through float switch, button and reed switch, change the circular telegram condition of the coil of connecting the P L C controller, and then change the behavior of solenoid valve, through the flexible of solenoid valve control cylinder, drive the removal of piston and case, realize the inside automatic drainage of water storage mechanism.
2. The mechanical interlocking type automatic water discharging device of a compressed air pipe as claimed in claim 1, wherein the electromagnetic valve is a three-position five-way valve, and left and right coils are arranged and connected to an output port of a P L C controller.
3. The mechanical interlocking type compressed air pipe automatic water discharging device as claimed in claim 1, wherein reed switches are respectively arranged outside two cavities of the cylinder, and a magnetic ring is arranged at the edge of a piston of the cylinder; the fixed position of reed switch sets up in: the cylinder is extended to a position where the cylinder piston is opposed to the cylinder wall when the piston is just completely misaligned with the water inlet, and the cylinder is shortened to a position where the cylinder piston is opposed to the cylinder wall when the water discharge hole and the pipe hole inlet are completely overlapped.
4. The mechanical interlocking pneumatic tube automatic water discharge device as claimed in claim 3, wherein the contact switch of the reed switch is also connected to the input port of the P L C controller, and in turn forms a closed loop with the 24V DC power supply and the com terminal.
5. The automatic water discharge device of claim 1, wherein the ports of the three-position five-way valve are respectively connected with two exhaust pipes and an intake pipe, and a backpressure valve is respectively connected to the two exhaust pipes for keeping the cylinder stable during operation and immediately stopping the cylinder during power failure.
CN202010251720.0A 2020-04-01 2020-04-01 Mechanical interlocking type compressed air pipe automatic water drainage device Pending CN111442104A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2357099C1 (en) * 2008-03-20 2009-05-27 Анатолий Прокопьевич Чебунин Ground power unit of deep-well pump, mostly hydropiston or jet, for lifting of fluid from well with application of working fluid energy
CN202417594U (en) * 2012-01-11 2012-09-05 山东能源电器股份有限公司 Gas-liquid separation automatic liquid discharging device of mine pressure ventilation pipeline
KR20150049741A (en) * 2013-10-31 2015-05-08 (주)미래텍 A buoy apparatus
CN204849968U (en) * 2015-07-23 2015-12-09 山东科技大学 Water -saving toilet that bleeds that can drain automatically
CN205445671U (en) * 2015-12-24 2016-08-10 重庆南桐矿业有限责任公司 Improved generation is automatic water discharging device in compressedair line way in pit
CN107882587A (en) * 2017-12-12 2018-04-06 贵州盘江精煤股份有限公司 A kind of descending mash gas pumping drilling pressure wind self-draining arrangement
CN209180476U (en) * 2018-12-26 2019-07-30 大唐石门发电有限责任公司 A kind of dome valve control loop
CN213145424U (en) * 2020-04-01 2021-05-07 山西潞安环保能源开发股份有限公司王庄煤矿 Mechanical interlocking type compressed air pipe automatic water drainage device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2357099C1 (en) * 2008-03-20 2009-05-27 Анатолий Прокопьевич Чебунин Ground power unit of deep-well pump, mostly hydropiston or jet, for lifting of fluid from well with application of working fluid energy
CN202417594U (en) * 2012-01-11 2012-09-05 山东能源电器股份有限公司 Gas-liquid separation automatic liquid discharging device of mine pressure ventilation pipeline
KR20150049741A (en) * 2013-10-31 2015-05-08 (주)미래텍 A buoy apparatus
CN204849968U (en) * 2015-07-23 2015-12-09 山东科技大学 Water -saving toilet that bleeds that can drain automatically
CN205445671U (en) * 2015-12-24 2016-08-10 重庆南桐矿业有限责任公司 Improved generation is automatic water discharging device in compressedair line way in pit
CN107882587A (en) * 2017-12-12 2018-04-06 贵州盘江精煤股份有限公司 A kind of descending mash gas pumping drilling pressure wind self-draining arrangement
CN209180476U (en) * 2018-12-26 2019-07-30 大唐石门发电有限责任公司 A kind of dome valve control loop
CN213145424U (en) * 2020-04-01 2021-05-07 山西潞安环保能源开发股份有限公司王庄煤矿 Mechanical interlocking type compressed air pipe automatic water drainage device

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