CN214021859U

CN214021859U - Turnover device of vibrating arc screen

Info

Publication number: CN214021859U
Application number: CN202022149594.6U
Authority: CN
Inventors: 江红祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-24
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a vibrating arc screen turnover device, which comprises a base provided with two turnover supporting seats, a turnover frame, a gear pump hydraulic station and a controller are arranged above the base, a rotating shaft is fixed on the lower end surface of the turnover frame and is rotationally connected with the two turnover supporting seats, a turnover angle sensor is arranged on the rotating shaft, a shock-absorbing oil cylinder is arranged between the two turnover supporting seats, the extending end of the shock-absorbing oil cylinder is hinged with a connecting rod at the bottom of the turnover frame, the shock-absorbing oil cylinder is arranged between the two turnover supporting seats, a sieve locking device is fixed on the upper end surface of the turnover frame, an output flange disc, a speed regulating motor and a rotation angle sensor are arranged on the sieve locking device, the speed regulating motor, the turnover angle sensor, the rotation angle sensor and the pump hydraulic station are respectively and electrically connected with the controller, the device can realize pitching and rotation motions of the step flange disc and is used for the turnover of the vibrating arc screen of a coal separation plant, the washing efficiency of coal and the safety of worker operation are improved.

Description

Turnover device of vibrating arc screen

Technical Field

The utility model relates to a colliery screening field, concretely relates to vibration sieve bend turning device.

Background

Coal mine resources are used as non-renewable energy sources, and not only the current needs but also future development needs to be comprehensively considered when coal mines are mined. The method can improve the utilization rate of the mined coal mine by screening and classifying the mined coal mine and can reduce the pollution generated when the coal is used. In order to ensure clean and efficient utilization of coal, the coal is mined from the underground and then sent to a coal preparation plant for washing and selecting. In terms of the development trend of coal washing, the washing proportion of the coal industry in China is close to 50%, but the washing proportion of the coal still needs to be improved in the aspects of resource utilization and environmental protection. Although the washing and dressing technology in China reaches the world advanced level after decades of development, the key washing and dressing equipment of the coal preparation plant still has many problems and part of the washing and dressing equipment of the coal preparation plant still cannot reach the industrial standard due to the limitation of the manufacturing industry level in China. As for the vibrating sieve bend, the vibrating sieve bend is used as important dewatering and medium removing equipment of a coal preparation plant, the lifting and the side turning of the vibrating sieve bend are operated manually, and because some dust can be generated in the coal preparation process and the attribute reasons of coal, the manually operated equipment workers can work down a day, and occupational diseases can be caused if clothes are dirty and serious. And the manually operated turnover device has higher damage rate, low operation efficiency, high labor intensity of workers and high production cost. Not only influences the production benefit, but also restricts the development of the automation of the washing and selecting equipment.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency that exists to the aforesaid, the utility model aims at providing a vibrating arc sieve turning device, its vertical space area occupied is few, can record the position appearance that data confirm rotated the arc sieve according to gyration angle sensor and rotation angle sensor to through control center control pump station motor, buncher drives shock-absorbing cylinder and worm gear reduction gear respectively, realize the every single move and the rotary motion of step ring flange, be used for the upset of coal preparation plant vibrating arc sieve, improve the washing efficiency of coal and the security of workman's operation.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a vibrating sieve bend turning device, which comprises a base provided with two turning support seats, a turning frame is arranged above the base, the turning frame is provided with a turning support flange, a rotating shaft is fixedly penetrated in a wedge block of the lower end surface of the turning support flange, two ends of the rotating shaft are respectively connected with the upper end surfaces of the two turning support seats in a rotating way, one end of the rotating shaft is provided with a turning angle sensor, the bottom of the front end of the turning frame is fixedly provided with a connecting rod, a damping cylinder is arranged between the two turning support seats, the extending end of a piston rod of the damping cylinder is hinged with the bottom of the connecting rod, the cylinder body of the damping cylinder is fixedly connected with the two turning support seats through a cylinder supporting rod at one end far away from the connecting rod, a sieve bend locking device is fixed on the upper end surface of the turning support flange, the sieve bend locking device is provided with a rotatable output flange and a speed regulating motor for controlling the rotating speed of the output flange, still be equipped with the gyration angle sensor that can detect output flange dish turned angle on the gyration supporting flange, still be fixed with gear pump hydraulic pressure station and controller on the base, gear pump station motor in buncher, rotation angle sensor, gyration angle sensor and the pump hydraulic pressure station respectively with controller electric connection, damping cylinder and gear pump hydraulic pressure station oil circuit connection.

Preferably, the sieve bend locking device comprises a worm gear reducer fixed on the rotary support flange, two input ends of the worm gear reducer are respectively connected with output ends of two right-angle reducers in an installing manner, the input end of the right-angle reducer is connected with an output shaft of a speed regulating motor, and a step flange matched with the vibrating sieve bend is fixed on the upper end face of an output flange of the worm gear reducer.

Preferably, the bottom of the rear end of the rotary supporting flange is provided with two supporting rods, the bottoms of the supporting rods are provided with grooves and first hinge holes, the upper end of the turnover supporting seat is respectively provided with a supporting block matched with the grooves in the supporting rods, and the supporting block is provided with a second hinge hole matched with the first hinge hole.

Preferably, a sliding shaft penetrates through one end, far away from the piston rod, of the cylinder body of the damping oil cylinder, a damping pad is arranged at one end, far into the cylinder body, of the sliding shaft, and an adjusting bolt is fixed at one end, extending out of the cylinder body, of the sliding shaft and used for controlling axial displacement of the sliding shaft.

Preferably, a beam which is coaxial with the output flange plate is fixed on the output flange plate, and a measuring shaft of the rotary angle sensor is fixed with the middle part of the beam.

Preferably, the gear pump hydraulic station comprises an oil tank and a pump station motor, and an oil outlet of the pump station motor is sequentially connected with an overflow valve, a throttle valve, a bidirectional hydraulic lock and a damping oil cylinder through pipelines.

The beneficial effects of the utility model reside in that: the device reasonably designs the spatial positions of the damping oil cylinder and the speed regulating motor, occupies small vertical space, is matched with a right-angle reducer, realizes the rotation of the step flange by utilizing the worm and gear principle, integrates two rotational degrees of freedom with vertical different surfaces on the step flange through the hinging of the damping oil cylinder and the roll-over stand, and acts on the vibrating arc screen; the repeated movement of the preset pose of the vibrating arc screen is realized by presetting the target angles of the turning angle sensor and the rotary angle sensor. The controller can change the motion track of the vibrating sieve bend turning device and can emergently stop the motion of the vibrating sieve bend turning device to ensure the work safety; the device realizes the automatic turnover of the vibrating sieve bend of the coal preparation plant; the efficiency of washing and dressing coal is improved, and the working mode of workers is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a vibratory curved screen turnover device provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of the roll-over stand according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a shock-absorbing oil cylinder provided in the embodiment of the present invention;

fig. 4 is a schematic structural view of a trommel locking device provided in an embodiment of the present invention;

FIG. 5 is a schematic view of a vibrating trommel installation provided by an embodiment of the present invention;

fig. 6 is the embodiment of the utility model provides a damping cylinder and gear pump hydraulic pressure station oil circuit connection schematic diagram.

Description of reference numerals:

1. a base; 1-1, supporting blocks; 2. a damping oil cylinder; 2-1, a cylinder body; 2-2, a piston rod; 2-3, a vibration damping pad; 2-4, a sliding shaft; 2-5, adjusting bolts; 3. an oil cylinder supporting rod; 4. a gear pump hydraulic station; 4-1, an oil tank; 4-2, a pump station motor; 5. a turning angle sensor; 6. turning over the supporting seat; 7. a speed-regulating motor; 8. a right-angle reducer; 9. a worm gear reducer; 9-3, an output flange plate; 9-4, a cross beam; 10. a roll-over stand; 10-1, a rotating shaft; 10-2, connecting rod; 10-3, a support rod; 10-4, rotating a support flange; 11. a step flange plate; 12. a controller; 13. vibrating the sieve bend; 14. a rotation angle sensor; 14-1, a measuring shaft; 15. an overflow valve; 16. a throttle valve; 17. and (4) a bidirectional hydraulic lock.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, a vibrating arc-shaped screen turnover device comprises a base 1 provided with two turnover support seats 6, a turnover frame 10 is further arranged above the base 1, the turnover frame 10 is provided with a rotary support flange 10-4, a rotary shaft 10-1 is fixedly penetrated in a wedge block on the lower end face of the rotary support flange 10-4, two ends of the rotary shaft 10-1 are respectively rotatably connected with the upper end faces of the two turnover support seats 6, a turnover angle sensor 5 is arranged at one end of the rotary shaft 10-1, a connecting rod 10-2 is fixedly arranged at the bottom of the front end of the turnover frame 10, a damping oil cylinder 2 is arranged between the two turnover support seats 6, the extending end of a piston rod 2-2 of the damping oil cylinder 2 is hinged with the bottom of the connecting rod 10-2, and the end of the cylinder body 2-1 of the damping oil cylinder 2, which is far away from the connecting rod 10-2, is fixedly connected with the two turnover support seats through an oil cylinder support rod 3 On 6, the upper end face of the rotary supporting flange 10-4 is fixed with a sieve bend locking device, the sieve bend locking device is provided with an output flange 9-3 capable of rotating and an adjustable speed motor 7 for controlling the rotating speed of the output flange 9-3, the rotary supporting flange 10-4 is further provided with a rotary angle sensor 14 capable of detecting the rotating angle of the output flange 9-3, the base 1 is further fixed with a gear pump hydraulic station 4 and a controller 12, the adjustable speed motor 7, the turnover angle sensor 5, the rotary angle sensor 14 and a gear pump station motor 4-2 in the pump hydraulic station 4 are respectively electrically connected with the controller 12, and the damping oil cylinder 2 is in oil-way connection with the gear pump hydraulic station 4.

The sieve bend locking device comprises a worm gear reducer 9 fixed on a rotary supporting flange 10-4, two input ends of the worm gear reducer 9 are respectively connected with output ends of two right-angle reducers 8 in an installing mode, an input end of each right-angle reducer 8 is connected with an output shaft of a speed regulating motor 7, and a step flange 11 matched with a vibrating sieve bend 13 is fixed on the upper end face of an output flange 9-3 of the worm gear reducer 9.

Two right angle reducers 8 are symmetrically installed at two ends of the worm and gear reducer 9 and used for increasing the torque of the vibrating arc-shaped screen 13 during working, the worm and gear reducer 9 can be self-locked when the power is off, and rotation self-locking when the vibrating arc-shaped screen 13 is off is guaranteed.

The bottom of the rear end of the rotary supporting flange 10-4 is provided with two supporting rods 10-3, the bottoms of the supporting rods 10-3 are provided with grooves and first hinge holes, the upper end of the overturning supporting seat 6 is respectively provided with a supporting block 1-1 matched with the grooves in the supporting rods 10-3, the supporting block 1-1 is provided with a second hinge hole matched with the first hinge hole, and when the vibrating arc screen 13 is cleaned manually, the first hinge hole is matched with the second hinge hole and fixed through a pin shaft, so that the device is stable and reliable when the vibrating arc screen 13 is cleaned.

A sliding shaft 2-4 penetrates through one end, far away from the piston rod 2-2, of the cylinder body 2-1 of the damping oil cylinder 2, a damping pad 2-3 is arranged at one end, far into the cylinder body 2-1, of the sliding shaft 2-4, an adjusting bolt 2-5 is fixed at one end, extending out of the cylinder body 2-1, of the sliding shaft 2-4, and the adjusting bolt 2-5 is used for controlling axial displacement of the sliding shaft 2-4.

A beam 9-4 which is coaxial with the output flange 9-3 is fixed on the output flange 9-3, and a measuring shaft 14-1 of the rotary angle sensor 14 is fixed with the middle part of the beam 9-4.

The gear pump hydraulic station 4 comprises an oil tank 4-1 and a pump station motor 4-2, and an oil outlet of the pump station motor 4-2 is sequentially connected with an overflow valve 15, a throttle valve 16, a bidirectional hydraulic lock 17 and a damping oil cylinder 2 through pipelines; the bidirectional hydraulic lock 17, the overflow valve 15 and the throttle valve 16 are all arranged on the outer side of the oil tank 4-1, so that the telescopic force and the speed of the damping oil cylinder 2 can be conveniently adjusted, and whether the bidirectional hydraulic lock 17 is in a working state or not can be checked when the power is off.

During use, the target angles are preset by the turning angle sensor 5 and the rotation angle sensor 14 to realize repeated movement between preset positions of the vibrating arc screen 13, and the target angles can be adjusted by the controller 12 to realize multiple working modes.

The pump station motor 4-2 drives the gear pump hydraulic station 4 to work, the piston rod 2-2 of the damping oil cylinder 2 reciprocates in a positive and negative stroke mode, the piston rod 2-2 is connected with the connecting rod 10-2 to drive the roll-over stand 10 to rotate around the rotating shaft 10-1 in a reciprocating mode within a certain range, when the roll-over stand 10 reaches a preset angle of the roll-over angle sensor 5, the controller 12 controls the speed of the pump station motor 4-2 to change the movement direction of the piston rod 2-2 on the damping oil cylinder 2, and the roll-over stand 10 can reciprocate between preset roll-over poses by repeating the movement. The step flange plate 11 is connected with the vibrating arc screen 13, so that the rotary motion of the vibrating arc screen 13 is realized, when the rotary angle of the vibrating arc screen 13 reaches a preset target angle, the vibrating arc screen 13 just reaches a preset pose, the controller 12 controls the speed regulating motor 7 to change the speed of the speed regulating motor, the rotary motion of the step flange plate 11 is realized, the vibrating arc screen 13 can reciprocate between the preset poses by repeating the process, and the motion track required by the vibrating arc screen 13 is realized.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a vibrating arc sieve turning device which characterized in that: the turnover mechanism comprises a base (1) provided with two turnover supporting seats (6), a turnover frame (10) is further arranged above the base (1), the turnover frame (10) is provided with a rotary supporting flange (10-4), a rotary shaft (10-1) penetrates through and is fixedly arranged in a wedge block on the lower end face of the rotary supporting flange (10-4), two ends of the rotary shaft (10-1) are respectively rotatably connected with the upper end faces of the two turnover supporting seats (6), one end of the rotary shaft (10-1) is provided with a turnover angle sensor (5), the bottom of the front end of the turnover frame (10) is fixedly provided with a connecting rod (10-2), a damping oil cylinder (2) is arranged between the two turnover supporting seats (6), and the extending end of a piston rod (2-2) of the damping oil cylinder (2) is hinged with the bottom of the connecting rod (10-2), cylinder body (2-1) of shock attenuation hydro-cylinder (2) is kept away from connecting rod (10-2) one end at it and is passed through hydro-cylinder bracing piece (3) fixed connection on two upset supporting seats (6), the up end of gyration support flange (10-4) is fixed with sieve bend locking device, be equipped with on the sieve bend locking device can pivoted output ring flange (9-3) and be used for controlling buncher (7) of output ring flange (9-3) rotational speed, still be equipped with on gyration support flange (10-4) and detect output ring flange (9-3) turned angle's gyration angle sensor (14), still be fixed with gear pump hydraulic pressure station (4) and controller (12) on base (1), pump station motor (4-2) in buncher (7), turnover angle sensor (5), gyration angle sensor (14) and gear pump station (4) respectively with control The device (12) is electrically connected, and the damping oil cylinder (2) is connected with an oil way of the gear pump hydraulic station (4).

2. A vibratory shaker as defined in claim 1, wherein: the sieve bend locking device comprises a worm gear reducer (9) fixed on a rotary supporting flange (10-4), two input ends of the worm gear reducer (9) are respectively connected with output ends of two right-angle reducers (8), the input end of each right-angle reducer (8) is connected with an output shaft of a speed regulating motor (7), and a step flange (11) matched with a vibrating sieve bend (13) is fixed on the upper end face of an output flange (9-3) of the worm gear reducer (9).

3. A vibratory shaker as defined in claim 1, wherein: the bottom of the rear end of the rotary supporting flange (10-4) is provided with two supporting rods (10-3), the bottoms of the supporting rods (10-3) are provided with grooves and first hinge holes, the upper end of the overturning supporting seat (6) is respectively provided with a supporting block (1-1) matched with the grooves on the supporting rods (10-3), and the supporting block (1-1) is provided with a second hinge hole matched with the first hinge hole.

4. A vibratory shaker as defined in claim 1, wherein: a sliding shaft (2-4) penetrates through one end, far away from a piston rod (2-2), of a cylinder body (2-1) of the damping oil cylinder (2), a damping pad (2-3) is arranged at one end, far into the cylinder body (2-1), of the sliding shaft (2-4), an adjusting bolt (2-5) is fixed at one end, extending out of the cylinder body (2-1), of the sliding shaft (2-4), and the adjusting bolt (2-5) is used for controlling axial displacement of the sliding shaft (2-4).

5. A vibratory shaker as defined in claim 1, wherein: and a cross beam (9-4) which is coaxial with the output flange plate (9-3) is fixed on the output flange plate, and a measuring shaft (14-1) of the rotary angle sensor (14) is fixed with the middle part of the cross beam (9-4).

6. A vibratory shaker as defined in claim 1, wherein: the gear pump hydraulic station (4) comprises an oil tank (4-1) and a pump station motor (4-2), wherein an oil outlet of the pump station motor (4-2) is sequentially connected with an overflow valve (15), a throttle valve (16), a bidirectional hydraulic lock (17) and a damping oil cylinder (2) through pipelines.