CN201808919U

CN201808919U - Blanking hopper with damping device for chain scraper conveyor

Info

Publication number: CN201808919U
Application number: CN201020541434XU
Authority: CN
Inventors: 陈雨田; 刘金庭; 袁学敏
Original assignee: Changsha Design Institute of Nonferrous Metallurgy
Current assignee: CINF Engineering Corp Ltd
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2011-04-27
Anticipated expiration: 2020-09-25

Abstract

The utility model discloses a blanking hopper with a damping device for a chain scraper conveyor. The damping device is arranged in the blanking hopper and comprises a damping plate and a telescopic rod; the top end of the damping plate is hinged at the upper end of the inner wall of one side of the blanking hopper, so that the damping plate can rotate around a revolving shaft at the top end; and one end of the telescopic rod is hinged at the lower end of the inner wall of one side of the blanking hopper, and the other end of the telescopic rod is fixed on the damping plate. When unloaded, a blocky material is decelerated by the damping device and falls off, so that the moving direction of the blocky material can be changed, direct impact force and pressure of the material on a conveying chain bucket are reduced, unloading and uniform spreading of the material are facilitated, the service life of the conveying chain bucket is prolonged and the working efficiency of the chain scraper conveyor is improved.

Description

The apron conveyer hopper of band impact-reducing device

Technical field

The utility model relates to a kind of hopper of apron conveyer, refers to a kind of apron conveyer hopper with the impact-reducing device especially.

Background technology

In the factories and miness such as apron conveyer mine, metallurgy, cement mill, the main load transfer device of the block thermal material of short range, normally delivery temperature is less than 300 ℃ block thermal material, the lumpiness of convey materials is generally less than 200mm.The keystone configuration of apron conveyer and principle of work, referring to Fig. 1, the upper support of this conveyer partly is an active section, supporting tow chain 4 and carrying chain bucket 5 to move forward by last track 6, carry chain bucket 5 generally to be fixed by bolts to 4 of two parallel tow chains, tow chain 4 moves forward under the drive of head driving chain wheel 9; Lower support partly is unloaded section, by under prop up track 8 and supporting tow chain 4 and carrying chain bucket 5, traction carries chain bucket 5 to move to afterbody, by tail sprocket 1 changed course and tensioning, make it constitute a continuous osed top carrier bar delivery system, require the degree of tightness appropriateness to be regulated by afterbody tightening device 2 during tow chain work, all parts of apron conveyer are by frame 7 supportings.Material evenly is discharged to continuously to carry by hopper 3 and forms the certain thickness bed of material in the chain bucket 5, by carrying chain bucket 5 that material is transported to required blanking point evenly, continuously, under head driving chain wheel 9 drives, moves continuous convey materials again and again.

Carry the work efficiency that directly has influence on equipment service life of chain bucket in the above-mentioned apron conveyer and carry the operating rate of workshop section.And the version of hopper directly has influence on power consumption and the work efficiency of carrying chain bucket service life and equipment.The structure of hopper, referring to Fig. 2, in most cases the hopper 3 of apron conveyer is directly to be connected with the feed opening 10 of storage bin or disintegrating apparatus, because the feed opening of storage bin or disintegrating apparatus directly is connected with the flange of hopper, be dumped into conveying chain bucket 5 from blanking point bigger drop is arranged, lump material is discharged to for 3 times by hopper and carries on the chain bucket 5, because drop is big, produce very big slip velocity when unloading under the piece material, the piece material has formed very big impulsive force above bulkhead directly is flushed to the conveying chain bucket down with big speed, having aggravated the conveying chain bucket damages, and the material in the hopper directly impacts and heap is pressed on the conveying chain bucket, cause the apron conveyer running resistance obviously to increase to cause transmission power to increase and carry phenomenons such as chain bucket shortens service life, the equipment transport efficiency reduces, maintenance load increases, and productive costs increases, and the equipment normal operation is had a strong impact on.

In order to satisfy the requirement of increasing production and improying productivity, improve lump material damage that impact causes to the conveying chain bucket and the direct heap of the material in the hopper and be pressed in the transmission power merit loss that causes on the conveying chain bucket, become and need the urgent problem that solves in the production, and in apron conveyer when work, require to give continuously and carry evenly discharging on the chain bucket, therefore, must improve design to the structure of apron conveyer hopper.

Summary of the invention

Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, a kind of apron conveyer hopper with the impact-reducing device is provided, can subtract the greater impact speed and the impulsive force that produce when unloading under the dead small, change piece material sense of motion and reduce to unload down material and directly impulsive force and the heap of carrying chain bucket are pressed, material is discharged to equably carries on the chain bucket.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of apron conveyer hopper with the impact-reducing device, this hopper is connected with the feed opening of storage bin or disintegrating apparatus, is characterized in: be provided with the impact-reducing device in the described hopper.

Described impact-reducing device comprises the impact-reducing plate, reaches expansion link; The top of this impact-reducing plate is hinged on the inwall upper end of hopper one side, so that this impact-reducing plate can rotate around the rotating shaft on top; One end of this expansion link is hinged on the inwall lower end of hopper one side, and the other end is fixed on the impact-reducing plate.The angle that described impact-reducing plate rotates is 45 °～55 °.Described impact-reducing plate is made of framework and square steel, and this framework is welded by I-beam section, the even square steel that is provided with vertical arrangement on this framework.The running surface built-up welding of described square steel has abrasion resistant alloy.Described hopper opposite side is provided with access door.

So, in hopper, set up the impact-reducing device, the greater impact speed and the impulsive force that produce in the time of can reducing to unload under the lump material, change piece material sense of motion, reducing to unload down material directly presses impulsive force and the heap of carrying chain bucket, help unloading under the piece material and evenly spread out, make that the bed of material on the conveying chain bucket is even, thereby solved the conveying chain bucket well damage that exists in producing preferably, transmission power increases, and the uneven phenomenon of piece material on the conveying chain bucket, prolonged the service life of carrying chain bucket significantly, improve the discharging homogeneity and reduced the transmission power loss, significantly improved the work efficiency of apron conveyer.The hopper of this band impact-reducing apparatus structure mainly be applicable to lumpiness less than 200mm, flowing power better and less than 300 ℃ hot piece material, adopt this hopper can guarantee even blanking of material and equipment normal operation.

Description of drawings:

Fig. 1 is the structural representation of known apron conveyer.

Fig. 2 is the running condition scheme drawing of the hopper of known apron conveyer.

Fig. 3 is a structural representation of the present utility model.

Fig. 4 is the scheme drawing of impact-reducing plate of the present utility model.

Fig. 5 is the running condition scheme drawing of hopper of the present utility model.

The specific embodiment:

Referring to Fig. 3-Fig. 4, the utility model is a kind of apron conveyer hopper with the impact-reducing device, and this hopper 3 directly is connected with the feed opening 10 of storage bin or disintegrating apparatus, is provided with impact-reducing device 11 in this hopper 3.This impact-reducing device 11 comprises impact-reducing plate 12, reaches expansion link 13; The top of this impact-reducing plate 12 is hinged on the inwall upper end of hopper one side, so that this impact-reducing plate 12 can rotate around the rotating shaft 14 on top; One end of this expansion link 13 is hinged on the inwall lower end of hopper one side, the other end is fixed on the impact-reducing plate 12, play the effect of supporting the impact-reducing plate on the one hand, on the other hand can be by regulating length of telescopic bar, regulate the angle of impact-reducing plate and horizontal direction line, make the rotational angle of impact-reducing plate be controlled at 45 °～55 °, with the slip velocity that subtracts dead small with reduce impulsive force.This impact-reducing plate 12 is made of framework 15 and square steel 16, and this framework 15 is welded by I-beam section, and the even square steel 16 that is provided with vertical marshalling makes 12 one-tenth cell sructures of impact-reducing plate on this framework 15, and the other end of this expansion link 13 just is fixed on this framework 15.

In a preferred embodiment, for wear-resisting, the thick abrasion resistant alloy of 5～10mm is arranged in the running surface built-up welding of square steel 16, the impact-reducing plate of this structure, not only wear-resisting, and played deceleration, impact-reducing and subtracted the effect of heap pressure.

This hopper 3 is provided with access door 17 at opposite side, can regulate expansion link 13 by access door 17, and the length that the mobile speed of the piece material that can will unload down according to desire is regulated expansion link is to regulate impact-reducing plate 12 rotating angles.

Referring to shown in Figure 5; because of impact-reducing plate 12 is a cell sructure; dead small can pass through from the gap between the impact-reducing plate 12; and fall equably and carry on the chain bucket 5; its the conveying chain bucket 5 that can spread one deck bed material is protected; be not subjected to the direct impact and the wearing and tearing of big lumpiness material; and big lumpiness material sweeps away by behind the impact-reducing plate resistance retaining along hopper; reduce its velocity of impact and change sense of motion to drop on the defeated chain bucket that is covered with one deck bed material, thereby reduced the bulk material carrying the direct impact and the wearing and tearing of chain bucket from feed opening.

Claims

1. apron conveyer hopper with the impact-reducing device, this hopper (3) is connected with the feed opening (10) of storage bin or disintegrating apparatus, it is characterized in that: be provided with impact-reducing device (11) in the described hopper (3).

2. the apron conveyer hopper of band impact-reducing device as claimed in claim 1 is characterized in that: described impact-reducing device (11) comprises impact-reducing plate (12), reaches expansion link (13); The top of this impact-reducing plate (12) is hinged on the inwall upper end of hopper (3) one sides, so that this impact-reducing plate (12) can rotate around the rotating shaft (14) on top; One end of this expansion link (13) is hinged on the inwall lower end of hopper (3) one sides, and the other end is fixed on the impact-reducing plate (12).

3. the apron conveyer hopper of band impact-reducing device as claimed in claim 2 is characterized in that: the angle that described impact-reducing plate (12) rotates is 45 °～55 °.

4. as the apron conveyer hopper of claim 2 or 3 described band impact-reducing devices, it is characterized in that: described impact-reducing plate (12) is made of framework (15) and square steel (16), this framework (15) is welded by I-beam section, and this framework (15) is gone up the even square steel (16) that is provided with vertical arrangement.

5. the apron conveyer hopper of band impact-reducing device as claimed in claim 4 is characterized in that: the running surface built-up welding of described square steel (16) has abrasion resistant alloy.

6. the apron conveyer hopper of band impact-reducing device as claimed in claim 1 is characterized in that: described hopper (13) opposite side is provided with access door (17).