CN214555068U

CN214555068U - Rotary screening device

Info

Publication number: CN214555068U
Application number: CN202022902483.8U
Authority: CN
Inventors: 汪建; 陈建龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-11-02
Anticipated expiration: 2030-12-03

Abstract

The utility model provides a rotary screening device, including the frame shape body, the power drive device has been arranged on frame shape body includes front end frame circle and rear end support, the tail end of a sieve section of thick bamboo links to each other with power drive device, the nozzle of a sieve section of thick bamboo is in the same direction as extending to front end frame circle mouth inboard position, the riding wheel roll cooperation that sets up on the outer wall of position department and the frame shape body under the sieve section of thick bamboo front end both sides, the tail end of a sieve section of thick bamboo is provided with the connecting seat that is used for connecting power drive device, the connecting seat links firmly with power drive device's power output driving-disc, power drive device's body links to each other with the rear end support, the turning shaft core of power output driving-disc is with the turning shaft core of a sieve section of thick bamboo concentric and parallel with the wheel core of riding wheel. The utility model discloses utilize the power driving disc as power take off's power drive device as the power supply, with power loading to a sieve section of thick bamboo through the connecting seat, so can obtain the drive power of the big moment of torsion of low-speed.

Description

Rotary screening device

Technical Field

The utility model relates to a rotatory screening plant of material specifically says a scraper bowl that can sieve the material.

Background

In the prior art, mine materials or gravel and earth and stone materials are generally shoveled by using equipment such as an excavator and are stacked or loaded on a transport vehicle or other transport equipment in an indexing manner and transported to other places. Due to the complex components of the materials, especially the significant difference of the particle sizes of the materials, the materials can only be operated in a mixed state, which brings huge workload for the processing operation of the materials.

In order to solve the above problems, the chinese patent document discloses "a rotary screening hopper for sorting dregs" (CN 208146370U), which specifically discloses the following technical contents: "rotary screening fill, including base 1, base 1 is equipped with support frame 2 and drive mounting bracket 3 along the length direction interval, support frame 2 and drive mounting bracket 3 and base integrated into one piece's overall structure. A plurality of crushing rake teeth 4 are arranged on the base 1 far away from one side of the driving installation frame 3 along the length direction of the base 1, and the crushing rake teeth 4 are arranged at intervals along the width direction of the base 1. The base 1 between the crushing rake teeth 4 and the support frame 2 is arranged in an inclined manner, and the inclined angle is 0-35 degrees; a reinforcing arm 13 is provided between the base 1 and the support frame 2. ", and" a rotary driving mechanism 5 is provided on the driving mounting frame 3, a roller frame 6 is provided between the supporting frame 2 and the rotary driving mechanism 5, and the roller frame 6 is connected with a driving part of the rotary driving mechanism 5. ".

The technical problem to be solved is basically realized by the scheme, namely the rotary screening hopper for separating the muck is convenient to use and good in effect. The scheme can achieve the basic purpose of residue soil separation. The above scheme still has the following main defects that firstly, the roller frame 6 is directly connected with the rotor shaft of the rotary driving mechanism 5, so that the capacity of transmitting torque is limited, the rotor shaft is frequently twisted off under the action of low-speed large torque load, and dust and small particle materials in the screening process inevitably reach the power output part of the rotary driving mechanism 5, so that a sealing cover 12 and a sealing ring are required to be additionally arranged to prevent impurities such as sand and stones from entering the rotary driving mechanism 5 to cause the damage of the rotary driving mechanism 5, so that the structure is inevitably complex, the part needs frequent maintenance, and the sealing cover 12 is a simple plate-shaped structure arranged on the inner side of the bucket, so that the sand and stones are easily worn from gaps, the sealing effect is poor, and the sand and stones are easily worn; in addition, the rotary riding wheel 7d is arranged on the lower side of the roller frame 6 to support the roller frame 6 in a rolling mode, and the stability and the reliability of the supporting scheme are difficult to maintain because the equipment contains irregular materials and is frequently subjected to heavy-load impact load in the loading and unloading process, so that the body of the roller frame 6 is easy to deform, particularly when the opening is deformed, the rotary riding wheel 7d is difficult to support the roller frame 6 all the time, when the rotary riding wheel 7d is separated from the roller frame, the rotary driving mechanism 5 is frequently subjected to impact type bending moment, the rotary riding wheel 7d and the roller frame 6 are subjected to impact load when the rotary riding wheel 7d is in contact with the roller frame 6, the rotary riding wheel 7d is further damaged, and the roller frame 6 is deformed greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotary screen device for a sieve section of thick bamboo provides the drive power of the big moment of torsion of low-speed, and gives effective protection, improve equipment's life to power drive arrangement.

The utility model discloses a following technical scheme, a rotatory screening plant, including the frame shape body, the power drive device has been arranged on frame shape body includes front end frame circle and rear end support, the tail end of a sieve section of thick bamboo links to each other with power drive device, the nozzle of a sieve section of thick bamboo is in the same direction as extending to the inboard position of front end frame circle, the riding wheel roll cooperation that sets up on the outer wall of position department and the frame shape body under the sieve section of thick bamboo front end both sides, the tail end of a sieve section of thick bamboo is provided with the connecting seat that is used for connecting power drive device, the connecting seat links firmly with power drive device's power take off driving-disc, power drive device's body links to each other with the rear end support, the gyration axle core of power take off driving-disc and the gyration axle core of a sieve section of thick bamboo are with the core and parallel with the wheel core of riding wheel.

Among the above-mentioned technical scheme, the utility model discloses utilize the power driving disc as power take off's power drive device as the power supply, through the connecting seat with power loading to a sieve section of thick bamboo, so can obtain the drive power of the big moment of torsion of low-speed, in addition through adding establish the connecting seat can be with power drive device and a sieve section of thick bamboo suitable spaced apart determining deviation, avoid pounding power drive device and dust powder direct revolute pair position that falls to power drive device from the cubic material that a sieve section of thick bamboo sieved, show the life who has improved equipment, the maintenance cost has been reduced.

Drawings

Fig. 1 and 2 are schematic perspective views of the present invention;

FIG. 3 is a perspective view of the connection structure;

FIGS. 4 and 5 are exploded views of FIG. 3;

FIG. 6 is a side schematic view of the integrated drive device and connector barrel;

fig. 7 and 8 are schematic perspective views of the riding wheels and the bracket.

Detailed Description

The utility model provides a rotary screening device, including frame shape body 10, frame shape body 10 has arranged power drive unit 20 on including front end frame circle 11 and rear end support 12, the tail end of a sieve section of thick bamboo 30 links to each other with power drive unit 20, the nozzle of a sieve section of thick bamboo 30 is in the same direction as extending to front end frame circle 11 mouth inside position, the outer wall of position department under the front end both sides of a sieve section of thick bamboo 30 rolls the cooperation with the riding wheel 40 that sets up on the frame shape body 10, the tail end of a sieve section of thick bamboo 30 is provided with connecting seat 50 that is used for connecting power drive unit 20, connecting seat 50 links firmly with power drive unit 20's power output driving-disc 21, power drive unit 20's body 22 links to each other with rear end support 12, power output driving-disc 21's gyration axle core is with the gyration axle core of a sieve section of thick bamboo 30 concentric and parallel with the wheel core of riding wheel 40.

Among the above-mentioned technical scheme, the utility model discloses utilize power driving disk as power take off's power drive device 20 as the power supply, through connecting seat 50 with power loading to a sieve section of thick bamboo 30, so can obtain the drive power of the big moment of torsion of low-speed, in order to prevent that drive device 20 directly links to each other with a sieve section of thick bamboo 30 and cause the twist-off buckling because of bearing great impact and moment of flexure, in addition through adding establish connecting seat 50 can be with power drive device 20 and sieve section of thick bamboo 30 suitable spaced-apart determining distance, avoid pounding power drive device 20 and the revolute pair position that power drive device 20 was directly fallen to dust powder from the cubic material that sieve section of thick bamboo 30 sieved, show the life who has improved equipment, the maintenance cost has been reduced.

The connecting base 50 is a frustum shape, and its large diameter end is connected to the tail end bottom plate 31 of the screen cylinder 30, and its small diameter end is connected to the power output driving disk 21. Because the diameter of the tail end of the screen drum 30 generally does not conform to the diameter of the driving device 20, and the general driving device 20 is smaller, the driving device 20 is directly installed on the screen drum 30 and can be bent due to larger impact, so the reducing connecting seat 50 is arranged to be in transition connection with the screen drum 30, the situation that the local strength is lower is avoided, the larger the bending moment borne by the connecting seat is far away from the driving device 20, and the connecting seat 50 at the position is arranged to be a large-diameter section to be connected with the screen drum 30. Meanwhile, the tail end bottom plate 31 can plug the front end of the connecting seat 50 to prevent sand from entering. At the same time, the volume of the screen cylinder 30 is larger as the tail end of the screen cylinder 30 is larger, so that more sand can be screened.

The connecting seat 50 comprises a front annular end plate 51 and a rear annular end plate 52, the inner hole diameters of the front annular end plate 51 and the rear annular end plate 52 are the same, the middle pipe body 53 is connected with the inner hole orifices of the front middle pipe body 53 and the rear

annular end plate

51 and 52, a rib plate 54 is arranged in an annular area between the outer walls of the front annular end plate 51 and the middle pipe body 53 and between the outer walls of the front annular end plate 51 and the rear annular end plate 52 and the middle pipe body 53, the rib plate 54 is arranged along the circumferential direction, and the plate surface is located in the radial plane. The rib plate 54 and the annular end plate form a conical table structure, so that the weight of the conical table structure is reduced under the condition of ensuring the structural strength of the conical table structure, and the load of the driving device 20 is reduced in turn.

The power drive 20 is a hydraulic motor, and the power output end thereof is a power output drive disc 21. The hydraulic motor and the speed reducer enable the driving disc 21 to have low-speed and high-torque, and the disc-shaped structure of the driving disc 21 facilitates the flange-mounting connection with the connecting seat 50.

The rear end bracket 12 is provided with a pipe cavity part for accommodating a body 22 of the power driving device 20, and the rear part of the body 22 is connected with an oil inlet and return pipe connecting seat 23 which is exposed outside the rear end bracket 12. The body 22 of the drive unit 20 is closed to prevent dust or sand from coming into contact with the body 22 on site, and the exposed tubing connector 23 facilitates the tubing connection.

The rear section rim of the peripheral wall of the power output driving disk 21 is positioned in the tube cavity on the rear end bracket 12 and forms clearance fit with the wall of the tube cavity. The rear of the driving disc 21 is the body 22 of the driving device 20, so that the driving disc 21 and the rear bracket 12 together form an ash blocking structure to prevent dust or sand from contacting the body 22 and entering the gap between the body 22 and the driving disc 21.

The power output driving disk 21 and the wall of the pipe cavity form a gap, and a sealing felt 121 is arranged. Preventing dust from entering the gap, while the felt 121 can absorb water and oil to prevent leaked lubricating oil or field sewage from passing through the gap to contact the body.

The middle lower part of the front end frame ring 11 extends towards the front lower part, the lower edge is provided with a relieving tooth 111 extending forwards, and the upper longitudinal beam is provided with a connecting lug 60.

After adding and establishing relieved tooth 111 and engaging lug 60, the utility model discloses it has become a scraper bowl, so the utility model discloses can also regard as the bucket of excavator to use to the process of digging the shovel, along with the rotation of a sieve section of thick bamboo 30, the material is sieved by the efficient, so the utility model discloses not only can regard as fixed screening plant to use, can also regard as the bucket of excavator, forklift to use.

The two ends of the arc or V-shaped supporting rod 41 are respectively provided with a supporting wheel 40, the middle part of the arc or V-shaped supporting rod 41 is connected with a support 43 arranged on the frame-shaped body 10 by a hinge shaft 42, and the hinge shaft 42, the supporting wheels 40 and the rotary shaft core of the screen cylinder 30 are parallel.

In the above scheme, two supporting rollers 40 are mounted at two ends of an arc or V supporting rod 41 to form a supporting roller support at one side, the supporting roller supports are respectively arranged at the lower parts of two sides of the outer wall of the opening of the screen drum 30, and the middle part of the arc or V supporting rod 41 is hinged on the support 43, so that the arc or V supporting rod 41 can swing around the hinge shaft 42, that is, the supporting rollers 40 on the arc or V supporting rod 41 have the characteristic of floating, thus the adaptive rolling support can be provided according to the profile of the screen drum 30, the phenomenon that the opening end of the screen drum 30 is suspended is avoided, which is a transient suspension phenomenon can be avoided, and the rotating shaft and the supporting bearing of the power driving device 20 are protected.

The support 43 is connected with a lifting screw 44, the upper end of the lifting screw 44 is provided with a hinge shaft 42, the lifting screw 44 is connected with a nut hole on the support 43, and a locking nut 45 on the lifting screw 44 is fastened on the end face of the threaded hole of the support 43. Above-mentioned scheme is the guarantee that guarantees the reliable cooperation of riding wheel 40 and a sieve section of thick bamboo 30 and provides, through the regulation of above-mentioned lifting screw 44, can adjust riding wheel 40 to the suitable height of guaranteeing that pivot and bearing avoid the moment of flexure effect, and lock nut 45's effect is the high position of guaranteeing that riding wheel 40 maintains in adjusting.

Claims

1. The utility model provides a rotary screening device, includes frame shape body (10), frame shape body (10) are arranged power drive device (20) including on front end frame circle (11) and rear end support (12), the tail end of a sieve section of thick bamboo (30) links to each other with power drive device (20), the nozzle of a sieve section of thick bamboo (30) is in the same direction as extending to front end frame circle (11) ring mouth inside position, riding wheel (40) roll cooperation that sets up on the outer wall of position department and frame shape body (10) under sieve section of thick bamboo (30) front end both sides, its characterized in that: the tail end of the screen drum (30) is provided with a connecting seat (50) used for being connected with a power driving device (20), the connecting seat (50) is fixedly connected with a power output driving disc (21) of the power driving device (20), a body (22) of the power driving device (20) is connected with a rear end support (12), and a rotary shaft core of the power output driving disc (21) is concentric with a rotary shaft core of the screen drum (30) and is parallel to a wheel core of the riding wheel (40).

2. The rotary screen apparatus of claim 1, wherein: the connecting seat (50) is in a frustum shape as a whole, the large-diameter end of the connecting seat is connected with the tail end bottom plate (31) of the screen drum (30), and the small-diameter end of the connecting seat is connected with the power output driving disc (21).

3. The rotary screen apparatus of claim 2, wherein: the connecting seat (50) comprises a front annular end plate and a rear annular end plate (51 and 52), the inner hole diameters of the front annular end plate and the rear annular end plate (51 and 52) are the same, the middle pipe body (53) is connected with the inner hole orifices of the front annular end plate and the rear annular end plate (51 and 52), a rib plate (54) is arranged in an annular area between the outer walls of the front annular end plate and the rear annular end plate (51 and 52) and the middle pipe body (53), and the rib plate (54) is arranged along the circumferential direction and the plate surface is located in a radial surface.

4. The rotary screen apparatus of claim 1, wherein: the power driving device (20) is a hydraulic motor, and the power output end of the power driving device is a power output driving disk (21).

5. The rotary screening device of claim 1 or 4, wherein: the rear end support (12) is provided with a pipe cavity part for accommodating a body (22) of the power driving device (20), and the rear part of the body (22) is connected with an oil inlet and return pipe connecting seat (23) which is exposed outside the rear end support (12).

6. A rotary screening device according to claim 1, 2 or 3, wherein: the rear section disc edge of the peripheral wall of the power output driving disc (21) is positioned in the tube cavity on the rear end bracket (12) and forms clearance fit with the wall of the tube cavity.

7. The rotary screen apparatus of claim 6, wherein: a gap between the power output driving disk (21) and the wall of the pipe cavity is provided with a sealing felt (121).

8. The rotary screen apparatus of claim 1, wherein: the middle lower part of the front end frame ring (11) extends towards the front lower part, the lower edge of the front end frame ring is provided with a relieving tooth (111) extending forwards, and the upper longitudinal beam is provided with a connecting lug (60).

9. The rotary screen apparatus of claim 1, wherein: two ends of the arc-shaped or V-shaped support rod (41) are respectively provided with a support wheel (40), the middle part of the arc-shaped or V-shaped support rod (41) is connected with a support seat (43) arranged on the frame-shaped body (10) through a hinge shaft (42), and the hinge shaft (42), the support wheels (40) and the rotary shaft core of the screen drum (30) are parallel.

10. The rotary screen apparatus of claim 9, wherein: the lifting screw rod (44) is connected to the support (43), the upper end of the lifting screw rod (44) is provided with a hinge shaft (42), the lifting screw rod (44) is connected with a nut hole in the support (43), and a locking nut (45) is arranged on the lifting screw rod (44) and fastened on the end face of the threaded hole in the support (43).