CN112934692B - Sand classifying and screening machine and sand classifying and screening construction process - Google Patents

Sand classifying and screening machine and sand classifying and screening construction process Download PDF

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Publication number
CN112934692B
CN112934692B CN202110169320.XA CN202110169320A CN112934692B CN 112934692 B CN112934692 B CN 112934692B CN 202110169320 A CN202110169320 A CN 202110169320A CN 112934692 B CN112934692 B CN 112934692B
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China
Prior art keywords
grit
rod
screening
fixed
sand
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CN112934692A (en
Inventor
严章国
张昌晶
覃信海
邓兵
郝晓波
计春
张延�
邓飞
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Sinohydro Bureau 9 Co Ltd
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Sinohydro Bureau 9 Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4636Regulation of screen apertures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a sand classifying and screening machine and a sand classifying and screening construction process, which comprise the following steps: a frame, a mesh assembly; slowly pouring the gravels on meshes formed by the plurality of upper-layer cross bars and the plurality of lower-layer cross bars, and classifying and screening the gravels under the periodical motion dragging of the braking universal wheel; grit chucking is when the mesh, the control telescopic link stretches out the top hinge pole and will become the automatic grit that drops of nature after each other's interval distance grow, the seal takes place the flexibility folding this moment, the motor rotates and wraps up in the spool with the seal, the grit can not drop from the front and back both ends of upper horizontal pole, then the control telescopic link shrink is pulled back the hinge pole and is diminished interval distance each other, the motor carries out the reverse rotation and releases the seal from the spool to the upper horizontal pole, realize resetting fast, then carry out categorised screening once more to the grit in the back, the problem that need shut down and use instruments such as crow bar to take out the grit has been solved, the categorised sieve efficiency of grit has been improved.

Description

Sand classifying and screening machine and sand classifying and screening construction process
Technical Field
The invention relates to a sand and stone classifying and screening machine and a sand and stone classifying and screening construction process, and belongs to the technical field of sand and stone production.
Background
The machine-made sandstone (also called sandstone) is a construction material formed by smashing mine large stones by using mechanical equipment, and is widely used in construction of bridges, roadbeds and the like of highways and railways due to low transportation cost and good production controllability; in the process of crushing the sandstone by using the crusher, the sandstone particles are extruded with each other, so that dust is mixed after the sandstone is crushed, and the sandstone needs to be screened in order to obtain pure and high-quality sandstone;
at present mainly use the screen cloth to classify the screening to the grit, because the mesh of screen cloth can not adjust, when the grit chucking is in the mesh, need shut down and use instruments such as crow bar to take out the grit, reduced the classifying screen efficiency of grit.
Disclosure of Invention
In order to solve the technical problem, the invention provides a sand classifying and screening machine.
The invention also provides a construction process for classifying and screening the sand and stone.
The invention is realized by the following technical scheme.
The invention provides a sand classifying screen machine, which comprises: the frame, fixed mounting can realize carrying out the mesh subassembly adjusted to the mesh size in the frame.
When the grit chucking was in the mesh, the mesh size of mesh subassembly was adjusted, had solved the problem that needs shut down and use instruments such as crowbar to take out the grit, had improved the categorised sieve efficiency of grit.
The mesh assembly comprises a plurality of upper cross rods and a plurality of lower cross rods, and the upper cross rods are arranged on the upper surfaces of the lower cross rods at intervals in a contact manner in an interval distribution manner to form meshes; the spacing distance between the cross bars on the upper layer is adjusted, so that the meshes become larger.
The mesh assembly also comprises a hinge rod fixed at one end of the upper cross rod, the tail ends of the hinge rods can be hinged in a relative rotating manner, and a telescopic rod is fixed at the hinged tail end of each hinge rod; the other end of the upper layer cross rod is provided with a through hole, and a guide rod can penetrate through the through hole in a sliding manner; the telescopic link other end is fixed in the frame, and the both ends of lower floor's horizontal pole are fixed in the frame.
The telescopic rod is one of an electric telescopic rod, a hydraulic telescopic rod and a pneumatic telescopic rod.
The two ends of the lower layer cross rod are fixed with the hanging rod, and the two ends of the hanging rod are fixedly connected with the rack.
A flexible sealing body is fixed on the upper layer cross rod, the other end of the sealing body is fixed on a scroll, one end of the scroll is fixedly connected with a rotating motor, and the motor is fixed with the rack; the motor rotates to wrap the sealing body on the reel.
And the rack is provided with a baffle plate for sealing and shielding two sides of the upper cross rod.
The rack comprises a plurality of shelf cross rods and a plurality of shelf vertical rods, the shelf cross rods are mounted on the shelf vertical rods, the motor and the hanging rods are fixedly mounted on the shelf cross rods, and the baffle is fixed on the shelf vertical rods.
And the bottom of the vertical rod of the frame is fixedly provided with a braking universal wheel.
The invention relates to a construction process for classifying and screening sand and stone, which uses a sand and stone classifying and screening machine and comprises the following steps:
slowly pouring the gravels on meshes formed by the plurality of upper-layer cross bars and the plurality of lower-layer cross bars, and classifying and screening the gravels under the periodical motion dragging of the braking universal wheel;
grit chucking is when the mesh, the control telescopic link stretches out the top hinge pole and will become the automatic grit that drops of nature after each other's interval distance grow, the seal takes place the flexibility folding this moment, the motor rotates and wraps up in the spool with the seal, the grit can not drop from the front and back both ends of upper horizontal pole, then the control telescopic link shrink is pulled back the hinge pole and is diminished interval distance each other, the motor carries out the reverse rotation and releases the seal from the spool to the upper horizontal pole, realize resetting fast, then carry out categorised screening once more to the grit in the back, the problem that need shut down and use instruments such as crow bar to take out the grit has been solved, the categorised sieve efficiency of grit has been improved.
The invention has the beneficial effects that: when the gravels are clamped in the meshes, the telescopic rods are controlled to extend out of the top hinge rods to increase the distance between the gravels, and then the naturally loosened gravels automatically fall off; solves the problem that tools such as crowbars are needed to be shut down to take out the sand and stone, and improves the screening efficiency of sand and stone classification
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic top view of the mesh assembly of the present invention;
FIG. 4 is a schematic bottom view of the mesh assembly of the present invention;
in the figure: 1-a frame; 11-a shelf rail; 12-a frame vertical bar; 13-braking the universal wheel; 2-a mesh assembly; 21-upper layer cross bar; 22-lower layer cross bar; 23-a hinge rod; 241-a guide rod; 24-a telescopic rod; 25-hanging the rod; 26-sealing body; 27-a reel; 28-a motor; 29-baffle.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-4.
The invention relates to a sand classifying screen machine, which comprises: frame 1, fixed mounting can realize carrying out mesh subassembly 2 adjusted to the mesh size on frame 1.
When the grit chucking was in the mesh, the mesh size of mesh subassembly 2 was adjusted, had solved the problem that needs shut down and use instruments such as crowbar to take out the grit, had improved the categorised sieve efficiency of grit.
The mesh component 2 comprises a plurality of upper cross rods 21 and a plurality of lower cross rods 22, and the plurality of upper cross rods 21 are arranged on the upper surfaces of the plurality of lower cross rods 22 in a contact manner at intervals to form meshes; when the grit chucking was in the mesh, adjust the spacing distance between the upper horizontal pole 21 for the mesh grow makes the grit automatically to drop.
The mesh component 2 further comprises a hinge rod 23 fixed at one end of the upper layer cross rod 21, the tail ends of the hinge rods 23 can be relatively and rotatably hinged through a rotating shaft, and a telescopic rod 24 is fixed at the hinged tail end of the hinge rod 23; the other end of the upper layer cross bar 21 is provided with a through hole, and a guide rod 241 can slidably penetrate through the through hole; the other end of the telescopic rod 24 is fixed on the frame 1, and the two ends of the lower layer cross rod 22 are fixed on the frame 1; after the telescopic rod 24 extends out of the top hinge rod 23 to increase the distance between the telescopic rod and the top hinge rod, the meshes are enlarged, so that the sand and stone automatically fall.
The telescopic rod 24 is one of an electric telescopic rod, a hydraulic telescopic rod and a pneumatic telescopic rod.
The both ends of lower floor's horizontal pole 22 are fixed with peg 25, and the both ends of peg 25 and frame 1 form through the bolt can dismantle the connection and be convenient for dismantle the change lower floor's horizontal pole 22.
A flexible sealing body 26 is fixed on the front and rear upper cross bars 21, the sealing body 26 is flexible deformable rubber or asbestos cloth, the other end of the sealing body 26 is fixed on a scroll 27, one end of the scroll 27 is fixedly connected with a rotary motor 28, and the motor 28 is fixed with the rack 1; after the telescopic rod 24 extends out of the top hinge rod 23 to increase the distance between the top hinge rod and the top hinge rod, the sealing body 26 is flexibly folded, the motor 28 rotates to wrap the sealing body 26 on the reel 27, and sand and stones are prevented from falling from two ends of the upper cross rod 21.
The frame 1 is provided with a baffle 29 for closing and shielding the left side and the right side of the upper cross rod 21, so that sand and stones are prevented from falling from the left side and the right side of the upper cross rod 21.
Frame 1 includes many shelf horizontal poles 11 and many shelf montants 12, and shelf horizontal pole 11 is installed on shelf montant 12, and the equal fixed mounting of motor 28, peg 25 is on shelf horizontal pole 11, and baffle 29 is fixed on shelf montant 12.
The bottom of the vertical frame rod 12 is fixedly provided with a braking universal wheel 13, and the braking universal wheel 13 is used for realizing rapid movement and rapid fixed-point fixed positioning.
The invention relates to a construction process for classifying and screening sand, which uses the sand classifying and screening machine and comprises the following steps:
slowly pouring the gravels on meshes formed by the plurality of upper cross bars 21 and the plurality of lower cross bars 22, and classifying and screening the gravels under the periodical motion and shaking of the braking universal wheels 13;
grit chucking is when the mesh in, control telescopic link 24 stretches out and becomes loose the grit voluntarily after the top hinge pole 23 interval distance grow each other, seal 26 takes place the flexible folding this moment, motor 28 rotates and wraps up in spool 27 with seal 26 book on, the grit can not drop from the front and back both ends of upper horizontal pole 21, then control telescopic link 24 shrink and pull back hinge pole 23 interval distance each other diminish, motor 28 carries out reverse rotation and releases seal 26 from spool 27 to upper horizontal pole 21 on, realize resetting fast, then in classify the screening once more to the grit, the problem that the grit was taken out to instruments such as the use crow bar of having solved the need to shut down, the categorised sieve efficiency of grit has been improved.

Claims (7)

1. A grit classifying screen machine which characterized in that includes: the mesh opening adjusting device comprises a rack (1) and a mesh opening assembly (2) which is fixedly arranged on the rack (1) and can adjust the size of a mesh opening;
the mesh assembly (2) comprises a plurality of upper cross rods (21) and a plurality of lower cross rods (22), and the upper cross rods (21) are arranged on the upper surfaces of the lower cross rods (22) at intervals in a contact manner to form meshes; adjusting the spacing distance between the upper layer cross bars (21) to enlarge meshes;
the mesh component (2) also comprises a hinge rod (23) fixed at one end of the upper layer cross rod (21), the tail ends of the hinge rods (23) can be hinged in a relatively rotating manner, and a telescopic rod (24) is fixed at the hinged tail end of the hinge rod (23); the other end of the upper layer cross bar (21) is provided with a through hole, and a guide rod (241) can penetrate through the through hole in a sliding way; the other end of the telescopic rod (24) is fixed on the frame (1), and the two ends of the lower layer cross rod (22) are fixed on the frame (1);
a flexible sealing body (26) is fixed on the upper layer cross bar (21), the other end of the sealing body (26) is fixed on a scroll (27), one end of the scroll (27) is fixedly connected with a rotary motor (28), and the motor (28) is fixed with the rack (1); the motor (28) rotates to wind the sealing body (26) on the reel (27).
2. A sand classifying screen machine as claimed in claim 1 wherein: the telescopic rod (24) is one of an electric telescopic rod, a hydraulic telescopic rod and a pneumatic telescopic rod.
3. A sand classifying screen machine as claimed in claim 1 wherein: the two ends of the lower layer cross rod (22) are fixed with the hanging rods (25), and the two ends of the hanging rods (25) are fixedly connected with the rack (1).
4. A sand classifying screen machine as claimed in claim 1 wherein: and the frame (1) is provided with a baffle (29) for closing and shielding two sides of the upper cross rod (21).
5. A sand classifying screen machine according to claim 1 or 4 wherein: frame (1) includes many shelf horizontal pole (11) and many shelf montant (12), and install on shelf montant (12) shelf horizontal pole (11), and equal fixed mounting of motor (28), peg (25) is on shelf horizontal pole (11), and baffle (29) are fixed on shelf montant (12).
6. A sand classifying screen machine as claimed in claim 5 wherein: the bottom of the vertical frame rod (12) is fixedly provided with a braking universal wheel (13).
7. A sand classifying and screening construction process using the sand classifying and screening machine according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
slowly pouring the gravels on meshes formed by the plurality of upper cross bars (21) and the plurality of lower cross bars (22), and classifying and screening the gravels under the periodical motion dragging of the braking universal wheels (13);
grit chucking is when the mesh, control telescopic link (24) stretch out top hinge pole (23) and become the automatic grit that loosens naturally behind the interval distance grow each other and drop, seal (26) take place the flexibility folding this moment, motor (28) rotate and wrap up in spool (27) with seal (26), the grit can not drop from the front and back both ends of upper horizontal pole (21), then control telescopic link (24) shrink and pull back hinge pole (23) and diminish interval distance each other, motor (28) carry out reverse rotation and release seal (26) from spool (27) on upper horizontal pole (21), realize resetting fast, then carry out classification screening to the grit again.
CN202110169320.XA 2021-02-07 2021-02-07 Sand classifying and screening machine and sand classifying and screening construction process Active CN112934692B (en)

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CN112934692B true CN112934692B (en) 2023-01-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115090352B (en) * 2021-10-11 2023-11-28 安徽业统粮油有限公司 Rice dust removing sieve capable of being rapidly detached and cleaned and rapid detaching method
CN118082041B (en) * 2024-04-18 2024-07-05 安徽华峰医药橡胶有限公司 Screening plant based on rubber waste recycling

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CN102039272A (en) * 2009-10-23 2011-05-04 庞红顺 Grouping type mesh screen with continuously adjustable mesh size
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CN209577385U (en) * 2019-02-28 2019-11-05 南京工程学院 A kind of sandstone sieve with choke preventing function
CN209935228U (en) * 2019-05-23 2020-01-14 黑龙江省龙建路桥第四工程有限公司 Grit sieving mechanism is used in highway construction
CN210816210U (en) * 2019-07-30 2020-06-23 四川坤嘉混凝土有限公司 High-strength concrete is with regeneration aggregate edulcoration equipment
CN211637307U (en) * 2019-12-27 2020-10-09 岳阳市丰源机筛有限公司 Rice dust removal sieve
CN211756794U (en) * 2020-03-10 2020-10-27 甘肃金凯宁工贸集团有限公司 Sand and stone screening device is used in processing of cement pole in adjustable screen cloth aperture
CN212442053U (en) * 2020-03-31 2021-02-02 中铁工程服务有限公司 Mesh-variable screen for shield construction muck treatment

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Publication number Priority date Publication date Assignee Title
JP2004041986A (en) * 2002-07-15 2004-02-12 Ryuzo Hasegawa Sieve screen and sieve machine
CN102039272A (en) * 2009-10-23 2011-05-04 庞红顺 Grouping type mesh screen with continuously adjustable mesh size
CN105214943A (en) * 2015-10-30 2016-01-06 重庆智锐德科技有限公司 The screen cloth that mesh is adjustable
CN205926254U (en) * 2016-08-09 2017-02-08 中咨公路工程监理咨询有限公司 Grit sieve
CN206262859U (en) * 2016-12-02 2017-06-20 希弗特科技(北京)有限公司 A kind of Novel screen stripe pitch can adjust sieve nest
CN207013282U (en) * 2017-05-27 2018-02-16 上海路盾道路材料有限公司 A kind of screening plant for asphalt-regenerating
CN207872591U (en) * 2017-12-14 2018-09-18 江西省丙戊天成环保科技有限公司 A kind of kaolin ore dressing screening plant that mesh size is adjusted
CN108838082A (en) * 2018-06-21 2018-11-20 刘玲玲 A kind of fruit screening plant and its sieving technology of classifying
CN108775258A (en) * 2018-07-11 2018-11-09 贵州政立矿业有限公司 A kind of drop shaft self-vibration blanker structure
CN109530206A (en) * 2018-11-13 2019-03-29 刘文文 A kind of material screening device
CN209577385U (en) * 2019-02-28 2019-11-05 南京工程学院 A kind of sandstone sieve with choke preventing function
CN209935228U (en) * 2019-05-23 2020-01-14 黑龙江省龙建路桥第四工程有限公司 Grit sieving mechanism is used in highway construction
CN210816210U (en) * 2019-07-30 2020-06-23 四川坤嘉混凝土有限公司 High-strength concrete is with regeneration aggregate edulcoration equipment
CN211637307U (en) * 2019-12-27 2020-10-09 岳阳市丰源机筛有限公司 Rice dust removal sieve
CN211756794U (en) * 2020-03-10 2020-10-27 甘肃金凯宁工贸集团有限公司 Sand and stone screening device is used in processing of cement pole in adjustable screen cloth aperture
CN212442053U (en) * 2020-03-31 2021-02-02 中铁工程服务有限公司 Mesh-variable screen for shield construction muck treatment

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