Bucket and method of its application

FIELD: machine engineering.

SUBSTANCE: bucket (3) includes a bottom (10), side walls (11), a rear plate (12) and a connecting element (9) by means of which the bucket is connected to a working machine (1). The bucket also contains at least one screen part (6) having a lot of adjacent bars (7) which form a grid. At least one bar in the screen part is subjected to vibration by a vibration unit (16) so that the vibrating bar moves relative to the bucket.

EFFECT: increased operational reliability.

9 cl, 8 dwg

 



 

Same patents:

Excavator bucket // 2555992

FIELD: construction.

SUBSTANCE: excavator bucket includes a bottom, a screen, hydraulic cylinders of screen rotation, rollers installed at the ends of stems of hydraulic cylinders and placed into bottom guides, hinged joints of screen fixation to the bottom, made in the form of eccentrics, eccentricity of which in the initial position of the canopy is directed towards the bottom. Bodies of hydraulic cylinders of screen rotation are fixed at the side of the upper edge of the bucket bottom. Eyes of stems of hydraulic cylinders are lowered down at the rear side of the bucket, are connected hingedly with eyes of traction rods. Upper ends of traction rods are connected hingedly to brackets fixed stiffly to side walls of the screen with the possibility of their displacement in vertical slots in the bucket bottom. On each traction rod there are at least two rollers within displacement in guides fixed at the rear side to the bucket bottom.

EFFECT: reduced mass of hydraulic cylinders of screen opening during soil unloading, increased capacity of a bucket and efficiency.

2 cl, 4 dwg

Front loader shovel // 2541321

FIELD: construction.

SUBSTANCE: front loader shovel comprises two jaws - upper and lower ones, hingedly connected to each other. The lower jaw is made in the form of a blade with a front sheet, sides and a knife. The upper one has the bottom, side walls, a cutting edge and a support-rotary device connected by control hydraulic cylinders with the lower one. On side walls of the front jaw at one side there are brackets fixed with freely rotating disc knives, and at the opposite side there are cutting knives installed slantwise. Therefore, the proposed design of the front loader shovel provides for increase of its efficiency and capacity due to reduced losses of soil or other materials during their loading, and also expansion of technological capabilities of a base machine.

EFFECT: increased capacity by reduction of soil losses into side rollers in process of shovel filling.

4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to sieving, crushing or mixing bucket of excavator or payloader. Proposed bucket comprises bottom plate, sidewalls and working drums. Working drums are arranged at bucket rear to spin about their axes to sieve, crush or mix the material therein and, at a time, to feed it from bucket between working drums or there through. Bucket comprises also the housings of mechanical drive and bearing assemblies of working drums. Said housings are confined by frame plates that allow fitting the outer races of drum bearings. Working drums have working ledges. The latter comprises coupling beads or joint bulges extending along drum shaft. Two working ledges and drum shaft are engaged via one weld arranged in this space.

EFFECT: perfected design.

5 cl, 5 dwg

Crushing bucket // 2526662

FIELD: process engineering.

SUBSTANCE: invention relates to sieving, crushing or mixing bucket of excavator or payloader. Crushing bucket comprises bottom plate, sidewalls (3) and working rolls (6). Working rolls are located at bucket rear to revolve about their pins (6a), to crush material therein and, at a time, to feed crushed material therefrom between said rolls (6) or there through. Note here that it comprises also cases (4) for mechanical drive and working roll bearings confined by carcass panels (4b) which allow attachment of working roll bearing cages. Working roll (6) comprises at least one crushing member (7), a solid element extending, in fact, through the entire length of pin (6a).

EFFECT: higher fatigue strength.

7 cl, 2 dwg

FIELD: transport.

SUBSTANCE: invention relates to methods of material and ground scooping by front-end loader shovel. In proposed method, shovel is installed with its front wall being at an angle to bearing surface, material is ripped by knifes and teeth, shovel is penetrated into stack by thrust motion of loader while beam and shovel are relatively motionless, shovel is turned after penetration. Shovel front wall is made in the form of two-sided wedge. Top surface of the wedge performs additional operation of ripping material volume being cut by shovel. Bottom surface of the wedge serves as shovel support bearing additional loads during scooping. Wedge angle has value of α=7÷20°.

EFFECT: lower loads on wheels, hydraulic cylinders, loader beam, higher efficiency of loader.

3 dwg

Excavator bucket // 2521263

FIELD: construction.

SUBSTANCE: excavator bucket has a hinged bottom, designed as a multipiece form from flaps (3 and 4) with catches (5 and 6) and a system for a catch pulling with a traction element driven by an external drive. All flaps are pivotally attached at one end to the rear wall (2), and at the opposite end to the front wall (1) by means of the catch. The catch pulling system is designed so that the catch of one of the flaps is kinematically linked with the subsequent flap by means of the traction element (8), so that the catch pulling of the previous flap occurs after turn of the subsequent flap relatively to its hinged fastening to the rear wall. Connection with the traction element driven by an external drive is made with the catch of the last flap.

EFFECT: device permits to reduce the dependences of the bucket ejection rate and mass of simultaneously falling material on its bulk weight, improve reliability and durability by providing opening at different times of the bottom flaps.

2 cl, 2 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to sieving, crushing or mixing bucket of excavator or payloader. Proposed bucket comprises bottom plate (1), sidewalls (2) and working drums (3). Said drums 3 are arranged at bucket rear to turn about their axles. Revolving drums sieve, crush or mix the material in bucket to feed sieved, crushed or mixed material therefrom between said drums (3) or through them. Bucket incorporates mechanical drive case (4) and drum (3) bearings housings. Said cases (4) are confined by frame plates (5) whereto drum (3) bearing housings (6) are attached. Mudguard (10) is arranged at frame plate (5) and/or internal wall inner side (2) to extend between drum (3) working rolls nearby the shaft locating recesses (11).

EFFECT: perfected design.

3 cl, 4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to sieving, crushing or mixing bucket of excavator or payloader. Proposed bucket comprises bottom plate (1), sidewalls (2) and working drums (3). Said drums (3) are arranged at bucket rear to turn about their axles. Turning drums sieve, crush or mix material in said bucket to feed sieved, crushed or mixed material from the bucket. Bucket incorporates mechanical drive cases (4) and drum (3) bearings housings. Said cases (4) are confined by frame plates (5) whereto drum bearing housings (6) are attached. Frame plates (5) have intake seats (5a, 5b) for drums (3) with their bearings (6). Frame plates are arranged between external sidewalls (4a) of mechanical drive cases (4). Seats comprise intake openings open backward.

EFFECT: higher wear resistance of bucket elements.

6 cl, 7 dwg

FIELD: machine building.

SUBSTANCE: working tool of mine rope excavator comprises shovel boom, handle fitted thereat in saddle bearing, bucket consisting of sidewalls, toothed front wall, wear wall and bottom with bar equipped with braking mechanism and bucket bottom opening mechanism including pulley fitted at saddle bearing, pull-off pulley, air cylinder and rope connected with bucket opening lever. Bucket bottom opening mechanism comprises additionally two guide pulleys one being fitted at saddle bearing while another one is arranged at the handle. Air cylinder is arranged at saddle bearing and connected with pull-off pulley. The distance between guide pulleys at saddle bearing exceeds the pull-off pulley diameter. The rope connected with bucket bottom opening lever is reeved between pull-off and guide pulleys of saddle bearing.

EFFECT: longer life reduced dynamic loads.

2 dwg

FIELD: transport.

SUBSTANCE: excavator working tools comprises boom, handle, pressure mechanism, rocker and bucket. Said bucket is composed of articulated balanced rear and front flaps and rocker arm. Hinges have common axle while bucker rear flap is coupled with handle. Bucket is furnished with hydraulically driven mechanism of pulling apart said flaps including two levers fitted at rear flap and coupled with front flap by links and two hydraulic cylinders with rods articulated with said levers while cylinders are hinged to handle. Rear flap sidewalls are hollow.

EFFECT: higher efficiency.

2 cl, 1 dwg

Vibratory separator // 2558076

FIELD: process engineering.

SUBSTANCE: invention relates to separators and can be used for separation of solid particles to preset sizes, first of all, hard-to-sieve powders with bent to nodulising and plugging of screen meshes, etc. Separator comprises sieve fitted in the case. Activator coupled with multi-frequency adapter system is arranged under sieve along with vibration drive. Note here that said case is rigidly coupled with the bed. Vibration drive is composed of two or more pairs of electromagnets arranged on opposite sides of said case in opposition to allow their synchronous operation. Electromagnet coils are secured at the case. Armatures are connected with activator composed of two or more parts. Every part of the activator is connected with armatures of their pair of electromagnet. Adjacent pairs of electromagnets allow operation with phase shift. Every said pair is provided with independent frequency and/or voltage adjustment.

EFFECT: simplified design, expanded applications.

8 cl, 3 dwg

FIELD: machine building.

SUBSTANCE: invention relates to the supporting carrying element of the supporting structure intended to support the sifting surface in the vibrating sieve. The supporting carrying element of the supporting structure of the vibrating sieve contains at least one straight element, and at least one combined spacer, that at least one straight element is made as single part with at least one spacer. The spacers are located on the supports of the transverse carrying elements such that spacers have deposition on the bottom side suitable for supports shape.

EFFECT: assurance of proper location of parts of the supporting structure relatively to each other, and assurance of possibility to change settings of the vibrating sieve.

10 cl, 9 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to vibratory screen with sieving surface shaped to multiple parallel sieve webs. It can be used for fractionation of crushed stone and gravel. This sieve comprises multiple structural elements and multiple sieve webs articulated with said bearing elements side-by-side. Every said web has opposite ends directed downward from sieve web through first distance and ledge arranged there between asymmetrically spaced from said opposite ends and directed downward from sieve web through second distance. Said second distance is larger than first distance of end located nearby said ledge. Appropriate ends of two adjacent webs can be received by every bearing element while first surface of said ledge can contact with bearing element outer surface.

EFFECT: higher efficiency of sieving, simplified design.

17 cl, 5 dwg

FIELD: agriculture.

SUBSTANCE: device for cleaning seeds from the rubbish comprises a drum, a loading and an unloading devices, a rotary drive. The drum is made conical and perforated along the perimeter in the form of a multi-thread helical surface with helical grooves inside the drum in the form of pockets of curved shape, with the centres of curvature of the pockets of the curved helical surface, located inside the cross section of the drum, and is formed on the perimeter of three or more perforated strips of trapezoidal form twisted in the longitudinal direction relative to the longitudinal axis and bent in a helical line in the transverse direction on the mandrel in the form of a paraboloid of rotation with increase in their size in width, forming on the perimeter of the drum of three or more inner convex curved surfaces with centres of curvature inside the drum and formation of lapping inside the drum in the form of helical blades along the entire length of the drum from the inlet opening to the outlet opening. Along the entire length of the drum a helical surface of conical shape is mounted with a rectangular cross-section of turns, which is equipped with a device for changing the pitch by its stretching or compressing. The pitch length should be at least one full pitch of the helical surface of the drum.

EFFECT: increase in intensity of separation, the expansion of technological capabilities.

10 dwg

FIELD: agriculture.

SUBSTANCE: grain cleaning machine comprises a feeding device, a sieve drum mounted on the drive shaft, consisting of cylindrical sieves mounted with longitudinal displacement, in the lower part of which the clamping webs of cylindrical shape are located, the receivers of fine, basic and long fractions, located under each other sequentially behind the sieve drum. The sieve drum consists of three blocks of cylindrical sieves with different openings. The working size of the openings of the upper block of the cylindrical sieves is smaller than the width of the treated grain seeds. The size of the openings of the sieves of the middle block is greater than the width of the treated grain seeds. The size of the openings of the sieves of the lower block is larger than the size of openings of the upper block, but smaller than the size of openings of the middle block of the cylindrical sieves.

EFFECT: increase in efficiency of cleaning of the grain cleaning machine.

3 dwg

FIELD: machine building.

SUBSTANCE: separator for bulk materials comprises rows of screening surfaces installed in a zigzag manner one under another, they are made as overhung pins with gaps between them. The lower part of a main channel is fitted by baffles installed over the screening surfaces and made as sieve copying surfaces. The gap between the screening surface and the baffle is related to the average thickness of processed material particles, relative content of admixtures in the processed material and the thickness of grain layer on the screening surface according to the following proportion where h - gap between the screening surface and the baffle, mm; d - average thickness of processed material particles, mm; s - thickness of grain layer on the screening surface, mm; ε - relative content of admixtures in the processed material.

EFFECT: higher operating efficiency of bulk material separator.

2 dwg

Vibration screen // 2550607

FIELD: process engineering.

SUBSTANCE: invention relates to separators of loose materials and can be used in metallurgy, chemical industry, mining, agriculture, etc. This screen comprises box with vertical mirror axis confined by boards over the edges of its bottom, sieving surface at box boards, feed pipe, jacket arranged outside said box to collect and continuously discharge fine product, vibrating drive and soft resilient cushions. Screen comprises extra jacket with pipe to collection and discharge of continuously discharge coarse separation product arranged inside said jacket for collection of fine products. Besides, it includes the case fitted at soft resilient cushions. Said case support said box and vibrating drive provided with two unbalance vibrators with adjustable rotational axes and possibility to be locked at required position. Feed pipe is fitted inside the box with its bottom end clearance relative to box bottom and is rigidly engaged with vibrating box or is fixed in space.

EFFECT: higher efficiency of separation and efficiency.

4 cl, 5 dwg

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry, in particular to the method of separation of grain mixtures, and can be used for post-harvesting grain treatment, as well as for screening bulk material in other fields of industry. The grain-cleaning machine comprises a screening surface, located under the loading device, in the form of two conical sieves coaxially mounted on the axis, facing with the base to the loading device, the drive for the screening surface, the discharging channels of fractions. The drive is made in the form of a reversible motor with the control system providing reversing movements of the upper and lower conical sieves, and also batchwise feeding of the grain mixture and consisting of a control unit connected to the program setting unit and an actuator connected to the dispenser.

EFFECT: increased efficiency of cleaning and separation of grain mixture.

1 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to screening of materials. This screen comprises flexible moulded polyurethane case with, in fact, parallel lateral extreme sections at the case opposite ends, bottom extreme section arranged between extreme lateral ends, top extreme section arranged between lateral extreme sections and, in fact, parallel and opposed to bottom extreme end, top surface, bottom surface, first moulded single-piece screen structure, second moulded single-piece screen structure, third moulded single-piece screen structure and screening meshes. First screen structure comprises first and second elements that make screening meshes. First elements are, in fact, parallel and extend across extreme lateral sections. Second elements are, in fact, parallel and extend across bottom extreme section and top extreme section. Second screen structure comprises third and fourth elements thicker than first and second elements and section extending downward, below the case bottom surface. Third elements are, in fact, parallel and extend across lateral extreme sections and have multiple first elements located there between. Fourth elements are, in fact, parallel and extend across bottom and top extreme sections and have multiple second elements located there between. First reinforcement elements are moulded integral with third and fourth elements. Third screen structure comprises fifth and sixth elements thicker than third and fourth elements and section extending downward, below the case bottom surface. Fifth elements are, in fact, parallel and extend across lateral extreme sections and have multiple third elements located there between. Sixth elements are, in fact, parallel and extend across bottom and top extreme sections and have multiple fourth elements located there between. Second reinforcement elements are moulded integral with fifth and sixth elements.

EFFECT: higher efficiency of screening, longer life.

49 cl, 9 dwg

FIELD: oil and gas industry.

SUBSTANCE: vibrating sieve with energy-saving resonant vibratory drive for intensive treatment of drilling mud and drying of drill cuttings comprises a bedplate, vibrating frame with replaceable sieve cassettes fixed at it, vibrator of linear vibrations, four springs at which the vibrating frame is installed at the bedplate, device fixing sieve cassettes at the vibrating frame, device for regulation of tilt angle of the vibrating frame, gate with control mechanism, tray with outlet ports for treated drill fluid, which is placed at the bedplate, receiving tank for drill fluid, which contains inlet nozzle with flange at input for the purpose of drill fluid supply to the vibrating frame and at output it is equipped with a rack with openings for even distribution of drill fluid along width of the sieve cassette receiving drill fluid for treatment. The vibrator is installed at the vibrating frame so that angle between surface of sieve cassettes and straight line of vibrator force direction is equal to 45°. The vibrator of linear vibrations is made as two single-pulse resonant vibrators with solenoid drive installed at force plates of the vibrating frame sides; each of single-pulse vibrators is based on electromagnet of pulling type with potential vibrations in armature of the single-pulse vibrator in regard to its stator with vibration swing up to 15 mm. Electromagnets are connected to power supply network through single-pulse vibrators control device, which is made to generate direct-current pulses with adjustable amplitude and frequency of 50 Hz. Pulse amplitude may be adjusted within limits at which amplitude of vibrations for the vibrating frame complies with the adjustable amplitude for the vibrating frame defined as per the following formula: X=Z:W2, where X is amplitude of vibrations for the vibrating frame in m, Z is the preset vibration acceleration for the vibrating frame in m/s2, W is angular rate of vibrations for the vibrating frame in rad/s; herein W=2πf, where f is frequency of vibrations in Hz. Total weight of the vibrating frame with weight of sieve cassettes, devices fixing sieve cassettes and weight of stator parts for both single-pulse vibrators is at least 7 times more than total weight of armature parts of both single-pulse vibrators.

EFFECT: improved efficiency of drill fluid treatment.

2 cl, 2 dwg

FIELD: equipment for separating of bulk materials, which may be used in chemical, construction industry and agriculture.

SUBSTANCE: separator has device for charging of basic material into separating cavity, which is defined by wavy perforated disks mounted for rotation in casing. Disk outer surfaces are equipped with guides for ready product. Disks are positioned for rotation in opposite directions. Guides are arranged in apexes of disk slots and adapted for separation of countercurrent flows of ready products.

EFFECT: increased efficiency and simplified construction.

1 dwg

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