CN113731622A

CN113731622A - Piston type jigger

Info

Publication number: CN113731622A
Application number: CN202111112326.XA
Authority: CN
Inventors: 李国中
Original assignee: Yan Yanlin; HEBEI JINRUN MINING EQUIPMENT GROUP CO Ltd
Current assignee: Yan Yanlin; HEBEI JINRUN MINING EQUIPMENT GROUP CO Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-12-03

Abstract

The invention discloses a piston type jigger, which comprises a machine body, a sieve plate arranged on the upper side in the machine body, a separation cavity arranged on the lower side in the machine body and a power chamber arranged in the separation cavity and fixedly connected with the machine body, wherein a piston is arranged in the power chamber, a driving device for driving the piston to move along the power chamber is fixedly arranged outside the machine body, and the piston is in sealing fit with the inner wall of the power chamber. The driving device drives the piston to reciprocate up and down, thereby realizing hydraulic jigging, and reducing energy consumption without being equipped with high-power air compression equipment or an air valve and an electromagnetic valve for air distribution. Meanwhile, the mechanical structure is adopted to replace an air valve and an electromagnetic valve, so that the reliability is improved, and the failure rate is reduced.

Description

Piston type jigger

Technical Field

The invention relates to the technical field of coal preparation machinery, in particular to a piston type jigger.

Background

The jigger is coal dressing equipment commonly used in coal dressing plants, and is used for screening raw coal and separating coal gangue, middlings and clean coal in the raw coal. The jigger mentioned in "beneficiation science" published by the Chinese mining university press is a hydraulic jigger commonly used at present, and the jigger is provided with an air valve and a machine body filled with water. The upper portion is equipped with the sieve in the organism, and the lower part is equipped with a plurality of compartments and separates the chamber, all is equipped with the power room in every compartment, and the opening of power room is downward. When the jigger works, the air valve conveys compressed air into the power chamber according to a set rule, so that part of water in the power chamber is discharged into the separation cavity, and the water level in the jig body can rise. The air valve discharges the air conveyed into the power chamber according to a set rule, the water outside the power chamber in the machine body can return to the power chamber again, and the water level in the machine body can be reduced. Therefore, the water level in the machine body can rise and fall repeatedly according to a set rule, raw coal on the sieve plate is driven to move up and down, hydraulic jigging is achieved, then coal gangue, middlings and clean coal are discharged to respective discharging channels through the discharging devices of the machine body, and accordingly the raw coal is sorted.

This kind of jigger need be equipped with powerful compressed air equipment, and the blast gate structure of jigger is complicated, still need set up a large amount of solenoid valves in order to control the blast gate and distribute the gas to each power house, therefore with high costs, power consumption is big to the solenoid valve is the vulnerable part, needs often to be changed, leads to the jigger poor reliability, and the normal clear of production must be influenced when changing the solenoid valve.

The application number is CN 201721699587.5's patent application discloses a mining screening jigger, is equipped with impact device in the jigger, and impact device is including setting up the rotatable fixed plate in the sieve below, and the fixed plate drives the water in the jigger organism when rotatory and fluctuates from top to bottom to select separately the raw coal on the sieve. The jigger has limited action force on raw coal, and water fluctuation in the jigger is not uniform.

Disclosure of Invention

The invention aims to solve the technical problem of providing a piston type jigger to replace compressed air to realize hydraulic jigging, thereby solving the problem of poor reliability of the jigger.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

the utility model provides a piston jigger, includes the organism, set up sieve, the setting that leans on in the organism separate the chamber and set up in separating the intracavity with organism fixed connection's power house, be equipped with the piston in the power house, the organism external fixation is provided with and is used for driving the drive arrangement of piston along the motion of power house, the piston is sealed with the inner wall of power house and is cooperated.

Further, a water chamber is arranged outside the machine body and communicated with the outside atmosphere, the water chamber is communicated with the power chamber, a vertical sliding rod is arranged on the water chamber and is connected with the chamber wall of the water chamber in a sliding mode, the lower end of the sliding rod is fixedly connected with the piston, and a power unit used for driving the sliding rod to reciprocate up and down is fixedly arranged outside the water chamber.

Furthermore, a transverse pipe is fixedly connected outside the machine body, one end of the transverse pipe, which is far away from the machine body, is blocked, a vertical pipe is fixedly connected to the top of the transverse pipe, and the transverse pipe is communicated with the vertical pipe; the hydroecium includes the regulation hydroecium in the middle hydroecium in the violently pipe and the standpipe, the slide bar sets up at the standpipe center, slide bar and standpipe sliding connection, the organism is equipped with the opening with power room inside and middle hydroecium intercommunication at the position that corresponds with violently the pipe, be equipped with the crank arm in the opening, crank arm one end and slide bar fixed connection, the other end and piston fixed connection, power unit fixed connection is on the standpipe.

Further, the piston comprises a bottom plate, a guide cylinder which is fixedly connected with the middle part of the bottom plate in a penetrating way, a sealing ring fixedly arranged on the edge of the bottom plate and a blocking plate arranged at the lower part of the guide cylinder; the sealing ring is vertically matched with the inner wall of the power chamber in a sealing mode, the blocking plate is connected with the bottom plate in a sliding mode, and the bottom plate is connected with the driving device.

Further, the power unit is a cylinder fixedly connected to the top of the vertical pipe.

Furthermore, the power unit comprises a sliding frame fixedly connected to one end, far away from the crank arm, of the sliding rod, a cam arranged in the sliding frame and used for driving the sliding frame to reciprocate axially along the sliding rod, a transmission shaft fixedly connected with the cam in a penetrating mode, and a speed reduction motor fixedly arranged on the machine body, wherein the speed reduction motor is in transmission connection with the transmission shaft.

The invention has the positive effects that:

1. the invention is provided with the piston in the power cavity, and adopts the cam and the sliding frame to drive the piston to reciprocate up and down, thereby realizing hydraulic jigging, needing no high-power air compression equipment, needing no air valve and electromagnetic valve for air distribution, and reducing energy consumption and production cost. Meanwhile, the mechanical structure is adopted to replace an air valve and an electromagnetic valve, so that the reliability is improved, and the failure rate is reduced.

2. The piston comprises a bottom plate, a guide cylinder, a sealing ring and a blocking plate, when the bottom plate moves upwards, the blocking plate is opened, and when the bottom plate moves downwards, the blocking plate seals the guide cylinder, so that the water level in the machine body can be rapidly reduced, and the energy consumption can be saved.

3. The power unit can adopt a cylinder, and the cylinder drives the piston to reciprocate up and down, so that hydraulic jigging is realized, and the structure is simplified.

Drawings

FIG. 1 is a schematic structural view of examples 1 and 2;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic configuration diagram of a driving apparatus in embodiment 3;

FIG. 5 is a schematic view of the structure of a driving apparatus in embodiments 1 and 2;

FIG. 6 is a schematic view showing the construction of a piston in the case where a slide bar is moved upward in example 2;

FIG. 7 is a schematic view showing the structure of a piston in downward movement of a slide bar in embodiment 2;

FIG. 8 is an enlarged view of a portion II of FIG. 1;

in the figure, 1, a power chamber; 2. a piston; 3. a compartment; 4. a body; 5. a sieve plate; 6. a bevel gear box; 7. a drive shaft; 8. a sliding frame; 9. a cam; 10. a slide bar; 11. a support; 12. a vertical tube; 13. adjusting a water chamber; 14. a middle water chamber; 15. a crank arm; 16. opening the gap; 17. a transverse tube; 18. a power shaft; 19. a reduction motor; 20. a seal ring; 21. a base plate; 22. a draft tube; 23. a blocking plate; 24. a traveler; 25. and a cylinder.

Detailed Description

Example 1

As shown in fig. 1 and 2, the piston type jigger comprises a machine body 4, a sieve plate 5 arranged on the upper portion in the machine body 4, a separation chamber 3 arranged on the lower portion in the machine body 4, and a power chamber 1 arranged in the separation chamber 3 and fixedly connected with the machine body 4. The number of the partition chambers 3 is two, each partition chamber 3 is internally provided with a power chamber 1, and each power chamber 1 is internally provided with a transverse piston 2. And a driving device for driving the piston 2 to move along the power chamber 1 is fixedly arranged outside the machine body 4, and the piston 2 is in sealing fit with the inner wall of the power chamber 1.

The machine body 4 is externally provided with a water chamber, the water chamber is communicated with the external atmosphere, the water chamber is communicated with the power chamber 1, the water chamber is provided with a vertical slide rod 10, the slide rod 10 is in sliding connection with the chamber wall of the water chamber, the lower end of the slide rod 10 is fixedly connected with the piston 2, and the water chamber is externally fixedly provided with a power unit for driving the slide rod 10 to reciprocate up and down.

The outer side of the machine body 4 is welded with transverse pipes 17 in a staggered mode, and blind plates fixedly connected with the transverse pipes 17 through bolts are arranged at the outer ends of the transverse pipes 17. The top of each transverse pipe 17 is provided with a vertical pipe 12 fixedly connected with the transverse pipe through a flange, and each transverse pipe 17 is communicated with the corresponding vertical pipe 12. The water chambers include an intermediate water chamber 14 in the cross tube 17 and a trim water chamber 13 in the standpipe 12. A slide bar 10 is arranged in each vertical pipe 12, and the slide bars 10 are arranged in the centers of the vertical pipes 12. Two sliding sleeves are arranged in the vertical pipe 12 along the axis of the vertical pipe, the sliding sleeves are fixedly connected with the vertical pipe 12 through a fixed rod, and the sliding rod 10 is vertically and slidably connected in the sliding sleeves. The upper part of the vertical pipe 12 is communicated with the outside atmosphere. The machine body 4 is provided with a notch 16 which is used for communicating the interior of the power chamber 1 with the middle water chamber 14 at a position corresponding to the transverse pipe 17, a crank arm 15 is arranged in the notch 16, one end of the crank arm 15 is fixedly connected with the sliding rod 10 through a screw, the other end of the crank arm is fixedly connected with the piston 2 through a screw, and the power unit is fixedly connected to the top of the vertical pipe 12. The piston 2 is positioned lower than the bottom end of the slide rod 10.

As shown in fig. 1, 3, 5 and 8, the power unit includes a C-shaped sliding frame 8 welded on the top end of a sliding rod 10, a cam 9 arranged in the sliding frame 8, a transmission shaft 7 fixedly connected with the cam 9 in a penetrating manner, and a reduction motor 19 fixedly arranged on the machine body 4, wherein the reduction motor 19 is in transmission connection with the transmission shaft 7. Slide 8 is equipped with fixed connection on one side at the support 11 at 12 tops of standpipe, transmission shaft 7 is connected with support 11 through rotation, 8 lateral parts of slide and 7 through connection of transmission shaft, slide 8 is equipped with vertical bar hole at the position with 7 through connection of transmission shaft, transmission shaft 7 is located this bar downthehole,

transmission shaft

7 and 8 sliding fit of slide. The speed reducing motor 19 is fixedly arranged at the top of the machine body 4 close to the middle through screws, the speed reducing motor 19 is of a double-output-shaft structure, and power shafts 18 for outputting power are arranged at two ends of the speed reducing motor. Bevel gear boxes 6 are arranged between the power shafts 18 and the corresponding transmission shafts 7, and the bevel gear boxes 6 are fixedly connected with the top of the machine body 4 through screws.

When the speed reducing motor 19 rotates, the cam 9 is driven to rotate, so that the corresponding sliding frame 8 is driven to reciprocate up and down, and the sliding rod 10 connected with the sliding frame 8 and the piston 2 are driven to reciprocate up and down.

When the piston 2 moves downwards, the piston 2 pushes the water below it out of the power chamber 1 and into the compartment 3 and then upwards, causing the flow of water through the sieve plate 5 to be upwards. Meanwhile, under the driving of the piston 2, the water in the regulating water chamber 13 flows downwards, passes through the middle water chamber 14 and enters the power chamber 1 at the upper part of the piston 2 through the corresponding notch 16, and the water level of the regulating water chamber 13 is reduced.

When the piston 2 moves upwards, the water flow flowing through the sieve plate 5 flows downwards, the piston 2 discharges the water at the upper part of the piston from the power chamber 1, the water flows into the regulating water chamber 13 after passing through the middle water chamber 14, and the water level of the regulating water chamber 13 rises. The water level in the machine body 4 rises and falls repeatedly according to the repetition, and the raw coal on the sieve plate 5 is driven to move up and down, thereby realizing the hydraulic jigging.

Example 2

As shown in fig. 1, 2, 3, 5, 6, 7 and 8, the present embodiment is different from embodiment 1 in that the piston 2 includes a bottom plate 21, a guide cylinder 22 fixedly connected to the middle of the bottom plate 21, an annular sealing ring 20 disposed at the edge of the bottom plate 21 by a screw, and a blocking plate 23 disposed at the lower portion of the guide cylinder 22. The sealing ring 20 is vertically matched with the inner wall of the power chamber 1 in a sealing mode, vertical sliding columns 24 are fixedly connected to the periphery of the guide cylinder 22 on the bottom plate 21 through threads, the sliding columns 24 are connected with the bottom plate 21 in a penetrating and sliding mode, and the bottom plate 21 is fixedly connected with one end, away from the sliding rod 10, of the crank arm 15 through screws.

As shown in fig. 7, when the crank arm 15 drives the bottom plate 21 to move downward, the blocking plate 23 slides upward relative to the bottom plate 21 under the action of water flow to block the bottom end of the guide cylinder 22, so as to separate the water above and below the bottom plate 21, and enable more water to flow out of the power chamber 1.

As shown in fig. 6, when the crank arm 15 drives the bottom plate 21 to move upwards, under the action of gravity, the blocking plate 23 moves downwards relative to the bottom plate 21, and opens the bottom end of the guide cylinder 22, so that water above and below the bottom plate 21 is communicated through the guide cylinder 22, the water surface in the machine body 4 is lowered faster, the resistance of the upward movement of the bottom plate 21 is reduced, and the energy consumption is saved.

Example 3

As shown in fig. 4, the present embodiment is different from embodiment 1 in that the power unit is a cylinder 25 provided at the tip of each slide rod 10. The cylinder bodies of the air cylinders 25 are fixedly connected to the tops of the corresponding vertical pipes 12 through screws, and the push rods of the air cylinders 25 are fixedly connected with the corresponding slide rods 10 through screws. When the cylinder 25 acts, the piston 2 is driven to move up and down, so that hydraulic jigging is realized.

The above-mentioned embodiments are described in detail and specifically for the purpose of illustrating the technical ideas and features of the present invention, and it is an object of the present invention to enable those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the present invention only by the embodiments, and it is not limited to the scope of the present invention, i.e. equivalent changes or modifications made within the spirit of the present invention, and it is within the scope of the present invention for those skilled in the art to make local modifications within the system and changes or modifications between subsystems without departing from the structure of the present invention.

Claims

1. The utility model provides a piston jigger, includes organism (4), sets up sieve (5) that leans on in organism (4), set up in organism (4) and separate chamber (3) and set up in separating chamber (3) and organism (4) fixed connection's power house (1) by lower, its characterized in that, be equipped with piston (2) in power house (1), organism (4) external fixation is provided with and is used for driving piston (2) along the drive arrangement of power house (1) motion, piston (2) and the sealed cooperation of the inner wall of power house (1).

2. A piston jigger as claimed in claim 1, wherein a water chamber is arranged outside the machine body (4), the water chamber is communicated with the outside atmosphere, the water chamber is communicated with the power chamber (1), a vertical slide rod (10) is arranged on the water chamber, the slide rod (10) is slidably connected with the chamber wall of the water chamber, the lower end of the slide rod (10) is fixedly connected with the piston (2), and a power unit for driving the slide rod (10) to reciprocate up and down is fixedly arranged outside the water chamber.

3. A piston jigger as claimed in claim 2, wherein a transverse pipe (17) is fixedly connected to the outside of the machine body (4), one end of the transverse pipe (17) far away from the machine body (4) is blocked, a vertical pipe (12) is fixedly connected to the top of the transverse pipe (17), and the transverse pipe (17) is communicated with the vertical pipe (12); the hydroecium is including middle hydroecium (14) in violently managing (17) and regulation hydroecium (13) in standpipe (12), slide bar (10) set up at standpipe (12) center, slide bar (10) and standpipe (12) sliding connection, organism (4) are equipped with opening (16) with power room (1) inside and middle hydroecium (14) intercommunication with the position that violently manages (17) and correspond, be equipped with crank arm (15) in opening (16), crank arm (15) one end and slide bar (10) fixed connection, the other end and piston (2) fixed connection, power unit fixed connection is on standpipe (12).

4. A piston jigger as claimed in claim 1, wherein the piston (2) comprises a bottom plate (21), a guide cylinder (22) fixedly connected with the middle of the bottom plate (21) in a penetrating manner, a sealing ring (20) fixedly arranged on the edge of the bottom plate (21), and a blocking plate (23) arranged on the lower part of the guide cylinder (22); the sealing ring (20) is vertically matched with the inner wall of the power chamber (1) in a sealing mode, the blocking plate (23) is connected with the bottom plate (21) in a sliding mode, and the bottom plate (21) is connected with the driving device.

5. A piston jig according to claim 2, characterized in that the power unit is a cylinder (25) fixedly connected to the top of the vertical pipe (12).

6. A piston jigger as claimed in claim 2, wherein the power unit comprises a slide frame (8) fixedly connected to one end of the slide rod (10) far from the crank arm (15), a cam (9) arranged in the slide frame (8) for driving the slide frame (8) to reciprocate axially along the slide rod (10), a transmission shaft (7) fixedly connected with the cam (9) in a penetrating manner, and a reduction motor (19) fixedly arranged on the machine body (4), wherein the reduction motor (19) is in transmission connection with the transmission shaft (7).