CN220466583U

CN220466583U - Material conveying device

Info

Publication number: CN220466583U
Application number: CN202322024533.0U
Authority: CN
Inventors: 曾波; 袁运锋
Original assignee: Yichang Yilvqing Environmental Protection Technology Co ltd
Current assignee: Yichang Yilvqing Environmental Protection Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-09
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a material conveying device, and belongs to the technical field of material transportation. The device comprises a conveying pipe, two bearing structures, a screw shaft and a driving motor, wherein the bearing structures comprise a rotating shaft, a sealing mechanism, pins, bearings coaxially arranged on the rotating shaft, a bracket at the end part of the conveying pipe and a bearing seat on the bracket, the rotating shaft is inserted into the corresponding end of the screw shaft and locked and fixed through the pins, and the outer end of one rotating shaft is in transmission connection with the driving motor; the spiral shaft outwards penetrates out of the corresponding end face of the conveying pipe, a sealing mechanism is arranged between the spiral shaft and the corresponding end face of the conveying pipe, the bearing seat is positioned at the outer side of the corresponding end of the spiral shaft and is composed of two opposite tile seats, the pin is positioned at the outer side of the sealing mechanism, the bearing is fixed on the bearing seat and is a double-row centripetal spherical roller bearing, and the sealing mechanism comprises a filler cup, sealing filler and a gland. The bearing and the pin of the vulnerable part are adjusted to the outside of the conveying pipe, and the bearing is separated from the sealing mechanism, so that the sealing structure is simplified; the maintenance and replacement processes are simple.

Description

Material conveying device

Technical Field

The utility model belongs to the technical field of material transportation, and particularly relates to a material conveying device, in particular to a screw conveying device.

Background

At present, the main modes for domestic treatment of urban garbage include landfill, incineration, power generation, classification, recycling and other treatment modes. The classification recycling is also only limited on part of solid garbage, and the complete industrialization is not realized; therefore, the garbage is large in production, landfill is the most main treatment mode at present, but all the residual garbage is treated by adopting the mode, so that not only is the manpower, material resources and financial resources consumed, but also the landfill garbage can pollute the water body on the ground surface and below, and a series of environmental problems are generated. In the prior art, the recycling of the food waste is realized.

The patent with the application number of CN201921270984.X discloses an energy green circulation treatment system of a meal waste treatment plant, which comprises a primary treatment system, a methane utilization system, a waste liquid treatment system and a waste liquid recovery system, wherein the primary treatment system comprises a waste liquid primary treatment system and a meal waste primary treatment system, the waste liquid primary treatment system comprises a feeding hopper, a impurity removing machine and a metering tank, the feeding hopper is used for feeding waste liquid, the meal waste primary treatment system comprises a feeding bin, a large material sorting machine, a crusher and a screw pump, the feeding bin is used for feeding meal waste, the metering tank is connected with the screw pump, the waste liquid treatment system comprises an anaerobic reactor, a denitrification reactor, an A/O pool, a membrane bioreactor and a nano tube, wet and hot hydrolysis equipment, a three-phase separator and a regulating tank are sequentially connected between the primary treatment system and the waste liquid treatment system, the utilization system comprises a methane tank, a biological desulfurization tower, a dry type, a cold dryer, a generator and a boiler, the anaerobic reactor is connected with the methane tank, and the boiler is connected with the wet hydrolysis equipment and a steam saturated pipe.

The spiral conveying device is used in a large amount in the process of treating the food waste, and the number of the spiral conveying device is about 3-6. Referring to fig. 2, the conventional screw conveyor comprises a conveying pipe 1, bearing structures at two ends of the conveying pipe 1, a screw shaft 2 in the conveying pipe 1, a driving motor outside the conveying pipe 1 and the like, wherein the bearing structures comprise a rotating shaft 3, a sealing mechanism 4, a pin 5 and two bearings 6 coaxially arranged on the rotating shaft 3, the sealing mechanism 4 comprises a packing cup, sealing packing, an inner gland, an outer gland, a spacer ring, a sealing ring and the like, the rotating shaft 3 is inserted at the corresponding end of the screw shaft 2 and is locked and fixed through the pin 5, and the outer end of one rotating shaft 3 is in transmission connection with the driving motor. The pin 5 is positioned in the conveying pipe 1 and at the inner side of the sealing mechanism 4, and the sealing mechanism 4 is arranged between the rotating shaft 3 and the corresponding end surface of the conveying pipe 1. The inside and outside both sides of filler cup all are equipped with the cavity and separate through the baffle between two cavities, and the cavity in outside is equipped with a bearing, spacer ring, another bearing and outer gland from inside to outside in proper order, and the cavity of inboard is equipped with sealing filler and interior gland from outside to inside in proper order, is equipped with the sealing washer between outer gland and the pivot 3. Wherein the bearing is a tapered roller bearing.

The utility model discloses a screw conveyer as in the patent of application number CN201921565827.1, including spiral cell body, screw axis and two bearing frames of distributing in spiral cell body both sides, two the bearing frame respectively with the both ends fixed connection of spiral cell body, the rotation part of screw axis sets up in the spiral cell body and coincides with the center pin of spiral cell body, the both ends of spiral cell body are connected with the cell body end plate, the both ends of screw axis all pass the cell body end plate and extend to respectively in two bearing frames, be provided with the sleeve pipe between screw axis and the cell body end plate, sleeve pipe detachable cover is established at the spindle nose of screw axis and rather than synchronous operation.

The patent of the application number CN200910139015.5 discloses a tubular screw conveyor, which comprises a motor, a shaft coupling, a speed reducer, a head bearing device, a tail bearing device, a conveying pipe, a supporting pipe, a screw body and a feed inlet and a discharge outlet on the conveying pipe, wherein the screw body is formed by welding short pipes, screw blades and seamless steel pipes, the seamless steel pipes are three, the seamless steel pipes are uniformly distributed at proper radius positions on the circumference of the screw surface in a penetrating way and are parallel to an axis and are equal to the screw body, three rollers coaxial with the seamless steel pipes are uniformly distributed on the circumference of the middle of the supporting pipe, an inner hole is in clearance fit with a connecting shaft, and an outer circle is in rolling connection with the inner wall of the supporting pipe.

The applicant found the following problems when using existing screw conveyor devices: the bearing is easily ground by the fatlute (contain animal fat and vegetable fat in the surplus rubbish of meal high content, and the pin is broken easily, and surplus rubbish of meal production environment is very abominable, need to dismantle in order to maintain and change completely among the prior art, wastes time and energy, and very dirty.

Disclosure of Invention

In order to solve the problems, the embodiment of the utility model provides a material conveying device, wherein a vulnerable part bearing and a pin are adjusted to the outside of a conveying pipe, and the bearing is separated from a sealing mechanism, so that the sealing structure is simplified; the maintenance and replacement processes are simple. The technical scheme is as follows:

the embodiment of the utility model provides a material conveying device, which comprises a conveying pipe 1, bearing structures at two ends of the conveying pipe 1, a screw shaft 2 in the conveying pipe 1 and a driving motor outside the conveying pipe 1, wherein the bearing structures comprise a rotating shaft 3, a sealing mechanism 4, a pin 5 and a bearing 6 coaxially arranged on the rotating shaft 3, the rotating shaft 3 is inserted into the corresponding end of the screw shaft 2 and locked and fixed through the pin 5, and the outer end of one rotating shaft 3 is in transmission connection with the driving motor; the bearing structure further comprises a support 7 at the end part of the conveying pipe 1 and positioned below the rotating shaft 3 and a bearing seat 8 on the support 7, the screw shaft 2 outwards penetrates out of the corresponding end surface of the conveying pipe 1 and is provided with a sealing mechanism 4 with the corresponding end surface of the conveying pipe 1, the bearing seat 8 is positioned at the outer side of the corresponding end of the screw shaft 2 and is composed of two opposite tile seats, the pin 5 is positioned at the outer side of the sealing mechanism 4, the bearing 6 is fixed on the bearing seat 8 and is a double-row centripetal spherical roller bearing, and the sealing mechanism 4 comprises a filler cup 41, a sealing filler 42 and a gland 43.

The bearing seat 8 in the embodiment of the utility model comprises an upper tile seat and a lower tile seat which are oppositely arranged up and down, the bottom of the lower tile seat is fixed on the bracket 7, the bearing 6 is arranged between the upper tile seat and the lower tile seat, and the upper tile seat is detachably arranged on the lower tile seat through bolts.

The support 7 in the embodiment of the present utility model is disposed along the direction of the conveying pipe 1, and the inner end of the support is fixed at the lower part of the corresponding end surface of the conveying pipe 1.

The packing cup 41, the sealing packing 42 and the gland 43 in the embodiment of the utility model are all coaxially arranged with the screw shaft 2, the packing cup 41 and the gland 43 are in clearance fit with the screw shaft 2, the packing cup 41 is fixed on the end face of the conveying pipe 1, the outer side of the packing cup 41 is open, the gland 43 is covered on the outer side of the packing cup 41, and the sealing packing 42 is positioned between the inner side of the packing cup 41 and the screw shaft 2 and is filled in a space enclosed by the packing cup 41 and the gland 43.

Specifically, the packing 42 in the embodiment of the present utility model is a felt ring.

Specifically, the distance between the bearing seat 8 and the corresponding end of the conveying pipe 1 in the embodiment of the utility model is 300mm-1000mm.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a material conveying device, which is characterized in that a bearing and a pin of a vulnerable part are adjusted to the outside of a conveying pipe, and the bearing is separated from a sealing mechanism, so that the sealing structure is simplified; the maintenance and replacement processes are simple. In addition, the patent adopts a bearing seat which is easy to maintain; the double-row centripetal spherical roller bearing is adopted, the bearing allows the inner ring to incline to the outer ring by a larger degree (less than 2-3 degrees), can bear axial load in any direction, and prolongs the service life. This patent has simplified sealing mechanism, when guaranteeing sealed effect (because there is not the bearing, still can reach sealed effect after simplifying), easily changes the felt ring.

Drawings

FIG. 1 is a flow chart of the prior art waste disposal;

FIG. 2 is a schematic view of a part of a conventional screw conveyor;

FIG. 3 is a schematic view of the structure of a nose portion of a material conveying apparatus in an embodiment of the present utility model;

fig. 4 is a schematic view of the structure of the tail portion of the material conveying apparatus according to the embodiment of the present utility model.

In the figure: 1 conveying pipe, 2 screw shaft, 3 rotating shaft, 4 sealing mechanism, 5 pin, 6 bearing, 7 support and 8 bearing seat;

41 packing cups, 42 sealing packing, 43 gland.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

Referring to fig. 3 to 4, embodiment 1 provides a material conveying apparatus, which comprises a conveying pipe 1, bearing structures (two, a head bearing structure and a tail bearing structure respectively) at two ends of the conveying pipe 1, a screw shaft 2 in the conveying pipe 1, a screw body on the screw shaft 2, a driving motor outside the conveying pipe 1 and the like, wherein the screw shaft 2 is of a tubular structure or only two ends of the screw shaft are of a tubular structure. The bearing structure comprises a rotating shaft 3, a sealing mechanism 4, a pin 5, a bearing 6, a bracket 7, a bearing seat 8 and the like. The rotating shafts 3 are inserted into the corresponding ends of the screw shafts 2 and are locked and fixed through pins 5, wherein the outer end of one rotating shaft 3 (of a machine head bearing structure) is in transmission connection with a driving motor through a coupler. The screw shaft 2 passes through the corresponding end face of the conveying pipe 1 outwards, and a sealing mechanism 4 is arranged between the screw shaft and the corresponding end face of the conveying pipe 1. The bracket 7 is arranged at the end part of the conveying pipe 1 and is positioned below the rotating shaft 3, and is specifically arranged along the direction of the conveying pipe 1, and the inner end of the bracket is fixed at the lower part of the corresponding end surface of the conveying pipe 1, and is specifically I-shaped steel. The bearing seat 8 is arranged on the bracket 7, is positioned outside the corresponding end of the screw shaft 2, and is composed of two tile seats which are oppositely arranged. The pin 5 is located outside the sealing mechanism 4, which is located outside the delivery tube 1. The bearing 6 is coaxially arranged on the rotating shaft 3 and is fixed on the bearing seat 8, and is a double-row centripetal spherical roller bearing. The sealing mechanism 4 comprises a filler cup 41, a sealing filler 42, a gland 43 and the like, wherein the filler cup 41, the sealing filler 42 and the gland 43 are coaxially arranged with the screw shaft 2, the sealing filler 42 and the gland 43 are of circular ring structures, the filler cup 41 is of cylindrical structure, the inner side of the filler cup is closed (provided with a round hole matched with the rotating shaft 3), the filler cup 41 and the gland 43 are in clearance fit with the screw shaft 2, the outer end of the filler cup 41 is fixed on the end face of the conveying pipe 1 (provided with a round hole matched with the filler cup 41), the outer side of the filler cup is open, the gland 43 is covered on the outer side of the filler cup 41, and the sealing filler 42 is positioned between the inner side of the filler cup 41 and the screw shaft 2 and is filled in a space surrounded by the filler cup 41 and the gland 43. Specifically, sealing filler 42 is a felt ring.

The bearing seat 8 in the embodiment of the utility model comprises an upper tile seat and a lower tile seat which are arranged up and down oppositely, and the upper tile seat and the lower tile seat are of semicircular structures matched with the bearing 6. The bottom of the lower tile seat is fixed on the bracket 7, the bearing 6 is arranged between the upper tile seat and the lower tile seat, and the upper tile seat is detachably arranged on the lower tile seat through bolts.

Specifically, the distance between the bearing seat 8 and the corresponding end of the conveying pipe 1 in the embodiment of the utility model is 300mm-1000mm. The type of the bearing 6 in the embodiment of the utility model is 3614.

Example 2

Embodiment 2 provides a material conveying device, the structure of a machine head bearing structure is shown in fig. 3, a rotating shaft 3 outwards penetrates out of a bearing seat 8, and the rotating shaft is connected with a driving motor through a coupler. The structure of the tail bearing structure is shown in fig. 4, and the outer end of the rotating shaft 3 is positioned in a bearing seat 8 (the outer side surface of the tile seat is closed).

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a material conveying device, includes conveyer pipe (1), the bearing structure at conveyer pipe (1) both ends, screw shaft (2) in conveyer pipe (1) and the driving motor outside conveyer pipe (1), the bearing structure includes pivot (3), sealing mechanism (4), pin (5) and coaxial bearing (6) of locating on pivot (3), pivot (3) insert and establish at the corresponding end of screw shaft (2) and lock fixedly through pin (5), the outer end and the driving motor transmission of one pivot (3) are connected; the novel spiral bearing structure is characterized in that the bearing structure further comprises a support (7) at the end part of the conveying pipe (1) and positioned below the rotating shaft (3) and a bearing seat (8) on the support (7), the spiral shaft (2) outwards penetrates out of the corresponding end face of the conveying pipe (1) and is provided with a sealing mechanism (4) between the spiral shaft and the corresponding end face of the conveying pipe (1), the bearing seat (8) is positioned at the outer side of the corresponding end of the spiral shaft (2) and is composed of two opposite tile seats, the pin (5) is positioned at the outer side of the sealing mechanism (4), and the bearing (6) is fixed on the bearing seat (8) and is a double-row centripetal spherical roller bearing, and the sealing mechanism (4) comprises a filler cup (41), a sealing filler (42) and a gland (43).

2. The material conveying device according to claim 1, wherein the bearing seat (8) comprises an upper tile seat and a lower tile seat which are arranged vertically opposite, the bottom of the lower tile seat is fixed on the support (7), the bearing (6) is arranged between the upper tile seat and the lower tile seat, and the upper tile seat is detachably arranged on the lower tile seat through bolts.

3. A material conveying device according to claim 1, characterized in that the support (7) is arranged in the direction of the conveying pipe (1) and its inner end is fixed to the lower part of the corresponding end face of the conveying pipe (1).

4. The material conveying device according to claim 1, wherein the packing cup (41), the sealing packing (42) and the gland (43) are all coaxially arranged with the screw shaft (2), the packing cup (41) and the gland (43) are in clearance fit with the screw shaft (2), the packing cup (41) is fixed on the end face of the conveying pipe (1) and the outer side of the packing cup is open, the gland (43) is covered on the outer side of the packing cup (41), and the sealing packing (42) is located between the inner side of the packing cup (41) and the screw shaft (2) and is filled in a space surrounded by the packing cup (41) and the gland (43).

5. The material conveying device according to claim 4, characterized in that the packing (42) is a felt ring.

6. A material conveying device according to claim 1, characterized in that the distance between the bearing seat (8) and the corresponding end of the conveying pipe (1) is 300-1000 mm.