CN217101714U

CN217101714U - Spiral conveyor capable of automatically adjusting distance between blade and shell

Info

Publication number: CN217101714U
Application number: CN202123122567.0U
Authority: CN
Inventors: 刘亚虹; 陈昌林
Original assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Current assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-02
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to a but screw conveyer of distance between automatic adjustment blade and the casing, including head frame, head casing, feed inlet, apron, go up casing, hydraulic pressure locking device, angle steel one, lower casing, landing leg, angle steel two, helical blade, afterbody casing, discharge gate, speed monitoring sensor, transmission, sealed stopping and gusset. The beneficial effects are as follows: the utility model discloses a device can be automatically according to the distance between material granularity size adjustment screw conveyer blade and the casing, need not shut down just can solve screw conveyer because of carrying the card that material granularity size disparity produced extremely die, the rotatory trouble problem such as being obstructed of blade, has reduced screw conveyer to the requirement of carrying material granularity size homogeneity, has reduced the equipment maintenance number of times, has improved production efficiency, has reduced cost of maintenance and workman intensity of labour.

Description

Spiral conveyor capable of automatically adjusting distance between blade and shell

Technical Field

The utility model relates to a conveying equipment technical field especially relates to a but screw conveyer of distance between automatic adjustment blade and the casing.

Background

The transportation of materials in industrial production, especially the transportation of powder and small-particle materials, has clear requirements on dust flying, environmental pollution and the like. The screw conveyer is widely adopted due to the advantages of simple structure, good sealing performance, no dust during transportation, convenient operation and the like. However, the currently available screw conveyors have the following problems:

1) the blades of the screw conveyor are tightly matched with the casing, the requirement on the granularity of conveyed materials is strict, and lump materials with larger granularity and abnormal shapes or hard foreign matters are often mixed into the materials in production, so that the rotation of the screw blades is blocked, the phenomenon of blocking is caused, the deformation and tearing of the screw pieces are seriously caused, even the motor is burnt out and other faults occur, the production is influenced, and the service life of equipment is shortened;

2) once a fault occurs, the screw conveyor needs to be stopped for inspection during troubleshooting and treatment, and more maintenance time is needed for disassembling the screw conveyor, so that not only is the labor cost increased, but also the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

For overcoming the prior art defect, the utility model provides a technical problem provides a but screw conveyer of distance between automatic adjustment blade and the casing, can be automatically according to the distance between material granularity size adjustment screw conveyer blade and the casing, need not shut down just can solve screw conveyer because of the card that carries material granularity size disparity to produce extremely dies, the rotatory trouble problem such as being obstructed of blade, the requirement of screw conveyer to carrying material granularity size homogeneity has been reduced, the equipment maintenance number of times has been reduced, the production efficiency is improved, maintenance cost and workman intensity of labour have been reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a spiral conveyor capable of automatically adjusting the distance between a blade and a shell comprises a head base, a head shell, a feeding hole, a cover plate, an upper shell, a hydraulic locking device, a first angle steel, a lower shell, a supporting leg, a second angle steel, a spiral blade, a tail shell, a discharging hole, a speed monitoring sensor, a transmission device, a sealing filler and a rib plate, and is characterized in that the cover plate is fixedly connected with the upper shell through a bolt, the upper shell is slidably connected with the lower shell, the sealing filler is arranged between the upper shell and the lower shell, and the head shell and the tail shell are respectively arranged at two ends and are respectively fixedly connected with the upper shell and slidably connected with the lower shell to form a conveyor body; the upper shell and the ground are fixed together by the support legs through first angle steels fixed on the upper shell; the angle steel two-way is fixedly connected with the lower shell through a rib plate; one end of the hydraulic locking device is connected with the first angle steel, and the other end of the hydraulic locking device is connected with the second angle steel; the spiral blade penetrates through one end of the conveying machine body to be rotatably connected with the head base, and the other end of the spiral blade is rotatably connected with the transmission device; the speed monitoring sensor is arranged on the cover plate; the feed inlet is arranged on the cover plate at the head of the conveyor body, and the discharge outlet is arranged on the lower shell at the tail of the conveyor body.

The head shell and the tail shell are of U-shaped groove body structures.

The supporting legs and the hydraulic locking devices are arranged in a group at each 2.5m according to the length of the conveyor body, and the positions of the supporting legs and the hydraulic locking devices are staggered.

The sealing filler is graphite sealing filler.

The discharge port is in flexible connection with the interface of the next-stage equipment.

The transmission device, the head base, the head shell and the tail shell are all fixedly arranged on the ground.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device has good sealing performance in the operation process, the joints of the lower shell and other fixed shells are in a closed state when the lower shell moves up and down, no dust overflows in the moving process, and no dust pollution is ensured to the working environment;

2) the end surfaces of the joints of the upper shell and the lower shell are respectively provided with a 45-degree sealing structure, and a sealing filler is arranged in the middle of the upper shell and the lower shell, so that the telescopic space is ensured, the sealing performance of the structure is improved, and meanwhile, the lower shell does not clamp materials when moving up and down, and the movement is smoother;

3) compared with the existing blockage treatment modes such as adding a material distributing device at a feed inlet and the like, the device adopts the lower shell to move up and down to adjust the inner diameter of the screw conveyor to solve the blockage and material jamming problems, and has the advantages of compact integral structure, small height increase and small operation space required by equipment;

4) the utility model realizes automatic operation without stopping production and maintenance in the process of adjusting the transport radius according to the granularity, reduces the failure rate, reduces the maintenance of maintainers and saves the operation cost;

5) the utility model discloses the device can be used to screw conveyer's transformation, equipment optimization, and rational in infrastructure is compact, and it is convenient to transform, and is with low costs.

Drawings

Fig. 1 is a schematic view of the structure principle of the present invention;

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

fig. 3 is a schematic view of a cross-sectional structure B-B in fig. 1.

In the figure: 1-head base 2-head shell 3-feed inlet 4-cover plate 5-upper shell 6-hydraulic locking device 7-angle steel I8-lower shell 9-supporting leg 10-angle steel II 11-helical blade 12-tail shell 13-flexible connection 14-discharge outlet 15-speed monitoring sensor 16-transmission device 17-sealing filler 18-rib plate

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-3, the screw conveyor of the present invention includes a head frame 1, a head casing 2, a feed inlet 3, a cover plate 4, an upper casing 5, a hydraulic locking device 6, a first angle steel 7, a lower casing 8, a support leg 9, a second angle steel 10, a screw blade 11, a tail casing 12, a discharge port 14, a speed monitoring sensor 15, a transmission device 16, a sealing filler 17 and a rib plate 18, wherein the cover plate 4 is fixed to the upper casing 5 by bolts, the upper casing 5 is slidably connected to the lower casing 8, the sealing filler 17 is disposed between the upper casing 5 and the lower casing 8, the head casing 2 and the tail casing 12 are respectively disposed at two ends and are respectively fixedly connected to the upper casing 5 and slidably connected to the lower casing 8 to form a conveyor body; the supporting legs 9 fix the upper shell 5 and the ground together through first angle steel 7 fixed on the upper shell; the second angle steel 10 is fixedly connected with the lower shell 8 through a rib plate 18; one end of the hydraulic locking device 6 is connected with the first angle steel 7, and the other end of the hydraulic locking device is connected with the second angle steel 10; the spiral blade 11 penetrates through one end of the conveying machine body to be rotatably connected with the head base 1, and the other end of the conveying machine body is rotatably connected with the transmission device 16; the speed monitoring sensor 15 is arranged on the cover plate 4; the feed inlet 3 is arranged on the cover plate 4 at the head of the conveyor body, and the discharge outlet 14 is arranged on the lower shell 8 at the tail of the conveyor body.

The head shell 2 and the tail shell 12 are of U-shaped groove structures, are fixedly mounted with the upper shell 5 and are in sliding connection with the lower shell 8, and the U-shaped structures ensure no dust overflow when the lower shell 8 moves up and down.

The supporting legs 9 and the hydraulic locking devices 6 are arranged in a group at intervals of 2.5m according to the length of the conveyor body, and the positions of the supporting legs 9 and the positions of the hydraulic locking devices 6 are staggered, so that the mounting and the maintenance are convenient.

The sealing filler 17 is graphite sealing filler.

The discharge port 14 and the next-stage equipment interface are in flexible connection 13, so that blanking sealing is guaranteed, and no dust is generated in the whole transportation process.

The transmission device 16, the head base 1, the head shell 2 and the tail shell 12 are all fixedly arranged on the ground.

When the material conveying device works, materials enter the conveying machine body from the feeding hole 3, and the transmission device 16 drives the spiral blade 11 to rotate to drive the materials to move forwards. When a material with larger granularity or a block foreign body exists, the rotation of the spiral blade 11 is blocked or blocked, the speed of the spiral blade 11 is reduced, the speed monitoring sensor 15 monitors the speed abnormity of the spiral blade 11, a trigger signal starts the hydraulic locking device 6 to act, and the lower shell 8 is driven to move downwards, so that the conveying inner diameter is increased, the material conveying space is increased, and the conveying is recovered smoothly until a material with large granularity can be pushed forwards along with the spiral blade 11. When the rotation speed of the helical blade 11 returns to normal, the speed monitoring sensor 15 feeds back a signal to the hydraulic locking device 6, and the lower shell 8 stops moving downwards. According to the time of transporting materials in the conveyor body, after the materials are transported out from the discharge port 14, the hydraulic locking device 6 acts to drive the lower shell 8 to move upwards to the original height, the conventional transportation radius is recovered, and the screw conveyor is recovered to normally operate.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A spiral conveyor capable of automatically adjusting the distance between a blade and a shell comprises a head base, a head shell, a feeding hole, a cover plate, an upper shell, a hydraulic locking device, a first angle steel, a lower shell, a supporting leg, a second angle steel, a spiral blade, a tail shell, a discharging hole, a speed monitoring sensor, a transmission device, a sealing filler and a rib plate, and is characterized in that the cover plate is fixedly connected with the upper shell through a bolt, the upper shell is slidably connected with the lower shell, the sealing filler is arranged between the upper shell and the lower shell, and the head shell and the tail shell are respectively arranged at two ends and are respectively fixedly connected with the upper shell and slidably connected with the lower shell to form a conveyor body; the upper shell and the ground are fixed together by the support legs through first angle steels fixed on the upper shell; the angle steel II is fixedly connected with the lower shell through a rib plate; one end of the hydraulic locking device is connected with the first angle steel, and the other end of the hydraulic locking device is connected with the second angle steel; the spiral blade penetrates through one end of the conveying machine body to be rotatably connected with the head base, and the other end of the spiral blade is rotatably connected with the transmission device; the speed monitoring sensor is arranged on the cover plate; the feed inlet is arranged on the cover plate at the head of the conveyor body, and the discharge outlet is arranged on the lower shell at the tail of the conveyor body.

2. The screw conveyor capable of automatically adjusting the distance between the blade and the casing according to claim 1, wherein the head casing and the tail casing are of a U-shaped groove structure at the connection part with the lower casing.

3. The screw conveyor capable of automatically adjusting the distance between the blade and the shell as claimed in claim 1, wherein the support legs and the hydraulic locking devices are arranged in a group according to the length of the conveyor body every 2.5m, and the support legs and the hydraulic locking devices are arranged in a staggered manner.

4. The screw conveyor capable of automatically adjusting the distance between the blade and the shell as claimed in claim 1, wherein the sealing filler is graphite sealing filler.

5. The screw conveyor capable of automatically adjusting the distance between the blade and the shell as claimed in claim 1, wherein the discharge port is flexibly connected with the interface of the next-stage equipment.