CN116493255A - Sand and stone screening device for building construction - Google Patents
Sand and stone screening device for building construction Download PDFInfo
- Publication number
- CN116493255A CN116493255A CN202310268829.9A CN202310268829A CN116493255A CN 116493255 A CN116493255 A CN 116493255A CN 202310268829 A CN202310268829 A CN 202310268829A CN 116493255 A CN116493255 A CN 116493255A
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- China
- Prior art keywords
- fixedly connected
- wall
- sand
- stirring
- grit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004576 sand Substances 0.000 title claims abstract description 66
- 239000004575 stone Substances 0.000 title claims abstract description 34
- 238000012216 screening Methods 0.000 title claims abstract description 20
- 238000009435 building construction Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 62
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000007873 sieving Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 70
- 239000004744 fabric Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a gravel screening device for building construction, which relates to the field of building construction and comprises the following components: go up the family lid, go up the family lid top outer wall and seted up the pan feeding mouth, the inner wall cavity sliding connection who goes up the family lid has the sand stone groove, and this grit sieving mechanism for construction, the staff will wait to sieve behind the sand stone groove is thrown into through the pan feeding mouth to the grit, and a plurality of stirring frames in the sand stone groove begin work, and stirring rod on the stirring frame can rotate at the uniform velocity under the drive of motor, stirs the grit fast, and the part of caking child in this in-process is fully broken up for the grit can be screened fully. After the screening goes on to a certain degree, the silo can upwards convey the grit groove through gear drive under the effect of gravity down, receive a plurality of stirring rods of beam barrel and receive the open slot to the stirring frame simultaneously, avoid the stirring rod to rise and produce the hindrance to the grit groove.
Description
Technical Field
The invention relates to the field of building construction, in particular to a sand and stone screening device for building construction.
Background
The sand and stone screening device is very common and effective machinery in the construction field, and the screening means that is commonly used at present is to use the screen cloth to distinguish the grit of size difference, but once meetting because moist and caking child's grit has been had, the screen cloth often can not screen out it correctly, and traditional sand and stone screening device does not carry out the function of regrind with coarse sand, this leads to in some circumstances that need fine sand, still need to smash the coarse sand that sieves out again, greatly reduced grit screening efficiency.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sand screening device for building construction, which comprises an upper household cover, wherein a feeding hole is formed in the outer wall of the top of the upper household cover, a sand groove is slidably connected with an inner wall cavity of the upper household cover, a screen is fixedly connected to the bottom of the sand groove, a plurality of meshes are uniformly formed in the surface of the screen, a main transmission shaft penetrates through a central shaft of the screen, a sleeve is sleeved on the outer wall of one end of the main transmission shaft far away from the screen, the top of the sleeve is fixedly connected with the inner wall of a central shaft of the top of the upper household cover, an eccentric wheel is fixedly connected with the outer surface of one end of the sleeve far away from the upper household cover, and a lantern ring is arranged under the eccentric wheel and fixedly connected with the main transmission shaft;
four connecting holes are formed in the outer wall of the lantern ring, each connecting hole is fixedly connected with a connecting shaft, each connecting shaft outer wall is respectively and slidably connected with four crushing fans, each crushing fan inner wall center shaft is fixedly connected with a reset spring, the reset spring is located right above the connecting shaft, and two ends of the reset spring are respectively and fixedly connected between the adjacent crushing fans.
Further, the outer wall fixedly connected with of screen cloth downside axis department is received a plurality of beam cylinders, every it is provided with the stirring frame to receive the beam cylinder and run through respectively, the stirring frame is located a plurality of broken fans below, a plurality of open slots have been seted up to stirring frame top upper wall, every open slot bottom rotates and is connected with the stirring rod, one side fixedly connected with little spring that the stirring rod is close to the open slot, little spring one end fixed connection stirring rod, the one end fixed connection that the stirring rod was kept away from to little spring is close to stirring rod department below the open slot.
Further, the lower wall of the bottom of the upper household cover is fixedly connected with a lower household cover, the inner wall of the lower household cover is slidably connected with a lower trough, the middle shafts of the outer walls of the two sides of the lower trough are respectively fixedly connected with a lower rack, the outer wall of the bottom of the lower trough is provided with a discharge hole, and the inner wall of the discharge hole is fixedly connected with a small screen.
Further, the main transmission shaft penetrates through the screen mesh and extends to the blanking groove, the main transmission shaft extending part penetrates through the gear box, the main transmission shaft penetrates through the top middle shaft of the gear box and extends to the inside, and the main transmission shaft is fixedly connected with a main gear at the extending part inside the gear box.
Further, rack is gone up to grit groove both sides outer wall axis department fixedly connected with respectively, it is provided with steering gear to go up the rack left side, steering gear left side is provided with drive gear, it is provided with the transmission shaft to go up drive gear rear side fixedly connected with, it is equipped with the drive belt to go up transmission shaft outside surface cover, it is provided with down drive gear to go down the rack left side, it is provided with the lower transmission shaft to go down transmission gear rear side fixedly connected with, lower transmission shaft outside surface cover is equipped with the drive belt, wherein, the lower transmission shaft is located the transmission shaft below.
Further, the lower wall of the bottom of the lower household cover is fixedly connected with a base, and the middle shafts on the left side and the right side of the base are respectively and fixedly connected with a transmission case.
Further, the steering gear is fixedly connected with the inner wall of the right side of the transmission case, and the upper transmission shaft and the lower transmission shaft are fixedly connected with the inner wall of the left side of the transmission case.
Further, a plurality of stirring frames penetrate through the outer wall of the top of the gear box and extend to the inside, a plurality of stirring frames are rotatably connected to the outer wall of the top of the gear box, a plurality of auxiliary gears are fixedly connected to the bottom of each stirring frame, and a plurality of auxiliary gears are rotatably connected with the main gears.
Further, a limiting hole is formed in the middle shaft on the outer side of the upper household cover, the upper rack penetrates through the limiting hole in the upper household cover and extends to the outside, and the lower rack penetrates through the limiting hole in the lower household cover and extends to the outside.
Compared with the prior art, the invention has the beneficial effects that:
(1) This grit sieving mechanism for construction, after the staff will wait to sieve the grit and throw into the grit groove through the pan feeding mouth and start the power, a plurality of stirring frames in the grit groove begin work, and stirring rod on the stirring frame can rotate at the uniform velocity under the drive of motor, stirs the grit fast, and this in-process can fully break up the part of caking child in the grit for the grit can be screened fully.
(2) This grit sieving mechanism for construction, after the screening goes on to certain degree, the silo can upwards convey the grit groove through gear drive under the effect of gravity down, at this in-process, receive a plurality of stirring rods and receive the open slot of restraint to the stirring frame, has effectively prevented the hindrance that the stirring rod risees to the grit groove.
(3) This grit sieving mechanism for construction, the upper wall coincides with the stirring frame top upper wall in sand stone groove bottom, and the broken fan of stirring frame top begins to function, and a plurality of broken fans are in the rotation in-process, when receiving the extrusion of the great degree of eccentric wheel, the broken fan of this group will collide each other, smash the coarse sand between the broken fan, when a plurality of broken fans receive the extrusion of less degree, reset spring just can produce certain vibration to make some grit of adhesion on the broken fan drop.
(4) This grit sieving mechanism for construction, in every broken fan pivoted of group and the engineering that removes, the grit of grit inslot wall adhesion can obtain the clearance, and the vibration that produces also can drop because of broken fan extrusion in the mesh of screen cloth accumulational grit.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole structure of the crushing device of the invention;
FIG. 3 is a schematic view of the internal structure of the sand stone trough of the present invention;
FIG. 4 is a schematic diagram of an active transmission mode structure according to the present invention;
FIG. 5 is a schematic view of the overall structure of the stirring frame of the present invention;
FIG. 6 is a schematic view of the whole structure of the crushing fan of the invention;
fig. 7 is a schematic diagram of the overall structure of the blanking slot of the present invention.
In the figure: 1. a top cover; 10. a feed inlet; 11. a sand stone groove; 12. a limiting hole; 13. a screen; 14. a mesh; 15. a stirring rack; 150. a stirring rod; 151. a small spring; 152. an open slot; 153. a pinion gear; 154. a beam-converging cylinder; 16. a sleeve; 17. a rack is arranged; 2. a lower household cover; 20. discharging groove; 21. a lower rack; 22. a discharge port; 23. a small screen; 3. a main drive shaft; 31. an eccentric wheel; 32. a collar; 320. a connecting shaft; 321. crushing fan; 322. a return spring; 33. a gear box; 34. a main gear; 4. a transmission case; 40. a steering gear; 41. an upper transmission gear; 42. an upper transmission shaft; 43. a transmission belt; 44. a lower transmission shaft; 45. a lower transmission gear; 5. and (5) a base.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 7, the present invention is a sand screening device for building construction, comprising:
the sand and stone separating device comprises an upper household cover 1, wherein a feed inlet 10 is formed in the outer wall of the top of the upper household cover 1, a sand and stone groove 11 is slidably connected with an inner wall cavity of the upper household cover 1, the purpose of the arrangement is that the sand and stone groove 11 can move up and down along the upper household cover 1, a screen 13 is fixedly connected to the bottom of the sand and stone groove 11, a plurality of meshes 14 are uniformly formed in the surface of the screen 13, the purpose of the arrangement is that sand and stone with different sizes can be screened, a main transmission shaft 3 is arranged at a center shaft of the screen 13 in a penetrating manner, a sleeve 16 is sleeved on the outer wall of one end of the main transmission shaft 3 far away from the screen 13, the top of the sleeve 16 is fixedly connected with the inner wall of the center shaft of the top of the upper household cover 1, an eccentric wheel 31 is fixedly connected with the outer surface of one end of the sleeve 16 far away from the upper household cover 1, a lantern ring 32 is arranged in such a way that the eccentric wheel 31 can be fixed and does not rotate along with the main transmission shaft 3, and the lantern ring 32 is arranged under the eccentric wheel 31 and is fixedly connected with the main transmission shaft 3;
four connecting holes have been seted up to the lantern ring 32 outer wall, every connecting hole fixedly connected with connecting axle 320 respectively, four broken fans 321 of every connecting axle 320 outer wall sliding connection respectively, the purpose of setting like this makes broken fans 321 can follow main drive shaft 3 rotation, every broken fan 321 inner wall axis department fixedly connected with reset spring 322, reset spring 322 is located connecting axle 320 directly over, and reset spring 322 both ends are fixedly connected with respectively between adjacent broken fans 321, the purpose of setting like this makes broken fans 321 can reset when not being extruded, and produce certain vibration when being extruded by eccentric wheel 31 a little degree.
The outer wall fixedly connected with a plurality of receipts beam barrels 154 of downside axis department of screen cloth 13, every receipts beam barrels 154 runs through respectively and is provided with stirring frame 15, the purpose of setting like this is so that receipts beam barrels 154 can receive stirring rod 150 to open slot 152 when grit groove 11 lifting, stirring frame 15 is located a plurality of broken fans 321 below, a plurality of open slot 152 have been seted up to stirring frame 15 top upper wall, every open slot 152 bottom rotation is connected with stirring rod 150, one side fixedly connected with little spring 151 that stirring rod 150 is close to open slot 152, little spring 151 one end fixed connection stirring rod 150, the one end fixed connection that little spring 151 kept away from stirring rod 150 is close to stirring rod 150 department below open slot 152, the purpose of setting like this is so that stirring rod 150 can resume the normal position after grit groove 11 whereabouts.
The lower wall of the bottom of the upper household cover 1 is fixedly connected with the lower household cover 2, the cavity of the inner wall of the lower household cover 2 is slidably connected with the lower trough 20, the purpose of the arrangement is that the lower trough 20 can slide up and down in the lower household cover 2, the middle shafts of the outer walls of the two sides of the lower trough 20 are respectively fixedly connected with the lower racks 21, the purpose of the arrangement is that the lower trough 20 can drive gears to drive when falling down, the outer wall of the bottom of the lower trough 20 is provided with the discharge hole 22, the inner wall of the discharge hole 22 is fixedly connected with the small screen 23, and the purpose of the arrangement is that sand and stone slowly descend, so that certain gravity is provided for lifting the sand and stone trough 11.
The main transmission shaft 3 penetrates through the screen 13 and extends to the blanking groove 20, a gear box 33 is arranged in a penetrating mode of the extending portion of the main transmission shaft 3, the main transmission shaft 3 penetrates through the top center shaft of the gear box 33 and extends to the inside, and a main gear 34 is fixedly connected to the extending portion of the main transmission shaft 3 in the gear box 33.
The outer wall axis department of sand stone groove 11 both sides is fixedly connected with respectively and goes up rack 17, upward rack 17 left side is provided with steering gear 40, the purpose of setting so makes sand stone groove 11 upwards rise when lower silo 20 descends, steering gear 40 left side is provided with drive gear 41, it is fixedly connected with upper drive shaft 42 to go up drive gear 41 rear side, upper drive shaft 42 outside surface cover is equipped with drive belt 43, lower rack 21 left side is provided with down drive gear 45, lower drive shaft 44 is fixedly connected with to lower drive gear rear side, lower drive shaft 44 outside surface cover is equipped with drive belt 43, the purpose of setting so that the power of upper and lower part can be transmitted, wherein, lower drive shaft 44 is located upper drive shaft 42 below.
The lower wall fixedly connected with base 5 of lower door lid 2 bottom, the purpose that sets up like this makes sieving mechanism can steadily place on ground, and the axis department is fixedly connected with transmission case 4 respectively in the base 5 left and right sides, and the purpose that sets up like this is that protection gear drive process is not blocked by the grit.
The steering gear 40 is fixedly connected with the right inner wall of the transmission case 4, and the upper transmission shaft 42 and the lower transmission shaft 44 are fixedly connected with the left inner wall of the transmission case 4.
A plurality of stirring frames 15 run through the outer wall of the top of the gear box 33 and extend to the inside, a plurality of stirring frames 15 are rotatably connected to the outer wall of the top of the gear box 33, a plurality of auxiliary gears 153 are fixedly connected to the bottom of each stirring frame 15, a plurality of auxiliary gears 153 are rotatably connected with the main gear 34, and the purpose of the arrangement is to transmit the power of the main transmission shaft 3 to the auxiliary gears 153.
The center shaft on the outer side of the upper household cover 1 is provided with a limiting hole 12, the upper rack 17 penetrates through the limiting hole 12 on the upper household cover 1 and extends to the outside, the lower rack 21 penetrates through the limiting hole 12 on the lower household cover 2 and extends to the outside, and the purpose of the arrangement is that the upper rack 17 and the lower rack 21 can slide at will.
One specific application of this embodiment is:
when the sand and stones need to be screened, a worker needs to pour the sand and stones to be screened into the sand and stone groove 11 through the feed inlet 10, and then the power supply is started. When the weight of the sand in the sand tank 11 is enough, the sand tank 11 slowly descends, at this time, the upper rack 17 drives the steering gear 40 to rotate, the steering gear 40 drives the upper transmission gear 41 to rotate, and finally the upper transmission gear 41 transmits power to the lower transmission gear 45 through the upper transmission shaft 42 and the transmission belt 43, so that the lower transmission gear 45 drives the lower trough 20 to move downwards through the lower rack 21.
In the downward moving process of the sand and stone tank 11, the stirring rods 150 on the stirring frames 15 are outwards opened under the action of the small springs 151 along with the falling of the beam-collecting barrel 154, and the stirring frames 15 are driven by the main transmission shaft 3 to rotate with the stirring rods 150, so that the sand and stone of the sand and stone tank 11 are stirred, the sand and stone which is agglomerated due to dampness is crushed, and the sand and stone is fully screened in the process.
After the fine sand falls down, the blanking groove 20 starts to fall under the action of gravity after a certain amount of fine sand is accumulated in the blanking groove 20, and because the gear in the transmission case 4 drives the power to the upper rack 17, the sand and stone groove 11 starts to lift upwards, in the lifting process of the sand and stone groove 11, the beam-collecting barrel 154 can collect the stirring rod 150 to the opening groove 152 along with the lifting of the sand and stone groove 11 until the upper wall at the bottom of the sand and stone groove 11 coincides with the upper wall at the top of the stirring frame 15, and the crushing fan 321 above the stirring frame 15 starts to work.
A plurality of crushing fans 321 and main drive shaft 3 pass through lantern ring 32 fixed connection, can rotate along with main drive shaft 3, at crushing fan 321 rotation in-process, can receive the extrusion of eccentric wheel 31, when receiving the extrusion of the great degree of eccentric wheel 31, the crushing fan 321 of this group will collide each other, smash the coarse sand between the crushing fan 321, when a plurality of crushing fans 321 received the extrusion of less degree, reset spring 322 just can produce certain vibration, thereby make some grit that adheres to on the crushing fan 321 drop, the crushing fan 321 that does not receive any extrusion keeps the normal position under reset spring 322's effect, and collect more coarse sand along with rotating.
In the process of rotating the edge-most crushing fan 321, sand adhered to the inner wall of the sand groove 11 can be cleaned, and the screen 13 can vibrate in the extrusion process of the crushing fan 321, so that the sand accumulated in the mesh 14 can be shaken off. The coarse sand after the secondary treatment becomes fine sand, and the fine sand passes through the screen 13 and enters the discharge chute 20.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. The utility model provides a grit sieving mechanism for construction, includes upper household lid (1), its characterized in that: the novel sand control device is characterized in that a feeding hole (10) is formed in the outer wall of the top of the upper household cover (1), a sand groove (11) is slidably connected with an inner wall cavity of the upper household cover (1), a screen (13) is fixedly connected to the bottom of the sand groove (11), a plurality of meshes (14) are uniformly formed in the surface of the screen (13), a main transmission shaft (3) penetrates through the middle shaft of the screen (13), a sleeve (16) is sleeved on the outer wall of one end, far away from the screen (13), of the main transmission shaft (3), the top of the sleeve (16) is fixedly connected with the inner wall of the middle shaft of the top of the upper household cover (1), an eccentric wheel (31) is fixedly connected to the outer surface of one end, far away from the upper household cover (1), of the sleeve (16), a sleeve ring (32) is arranged under the eccentric wheel (31), and the sleeve ring (32) is fixedly connected with the main transmission shaft (3).
Four connecting holes have been seted up to lantern ring (32) outer wall, every connecting hole fixedly connected with connecting axle (320) respectively, every connecting axle (320) outer wall sliding connection has four broken fans (321) respectively, every broken fan (321) inner wall axis department fixedly connected with reset spring (322), reset spring (322) are located connecting axle (320) directly over, and reset spring (322) both ends are fixedly connected with respectively between adjacent broken fan (321).
2. The sand screening device for building construction according to claim 1, wherein: the utility model discloses a stirring device for a concrete mixer, including screen cloth (13), a plurality of beam cylinders (154) of outer wall fixedly connected with of downside axis department of screen cloth (13), every beam cylinders (154) run through respectively and are provided with stirring frame (15), stirring frame (15) are located a plurality of broken fan (321) below, a plurality of open slot (152) have been seted up to stirring frame (15) top upper wall, every open slot (152) bottom rotation is connected with stirring rod (150), one side fixedly connected with little spring (151) that stirring rod (150) are close to open slot (152), one end fixedly connected with stirring rod (150) of little spring (151), one end fixedly connected with that stirring rod (150) was kept away from to little spring (151) is close to stirring rod (150) department below open slot (152).
3. The sand screening device for building construction according to claim 2, wherein: the lower wall of the bottom of the upper household cover (1) is fixedly connected with a lower household cover (2), the inner wall of the lower household cover (2) is slidably connected with a lower trough (20), the middle shafts of the outer walls of the two sides of the lower trough (20) are respectively fixedly connected with a lower rack (21), the outer wall of the bottom of the lower trough (20) is provided with a discharge hole (22), and the inner wall of the discharge hole (22) is fixedly connected with a small screen (23).
4. A sand screening apparatus for construction according to claim 3, wherein: the main transmission shaft (3) penetrates through the screen (13) and extends to the blanking groove (20), a gear box (33) is arranged in a penetrating mode through the extending portion of the main transmission shaft (3), the main transmission shaft (3) penetrates through the top center shaft of the gear box (33) and extends to the inside, and a main gear (34) is fixedly connected to the extending portion of the main transmission shaft (3) in the gear box (33).
5. The sand screening device for building construction according to claim 4, wherein: the sand and stone trough is characterized in that upper racks (17) are fixedly connected to middle shafts of outer walls of two sides of the sand and stone trough (11) respectively, steering gears (40) are arranged on the left sides of the upper racks (17), upper transmission gears (41) are arranged on the left sides of the steering gears (40), upper transmission shafts (42) are fixedly connected to the rear sides of the upper transmission gears (41), transmission belts (43) are sleeved on the outer side surfaces of the upper transmission shafts (42), lower transmission gears (45) are arranged on the left sides of the lower racks (21), lower transmission shafts (44) are fixedly connected to the rear sides of the lower transmission gears, and transmission belts (43) are sleeved on the outer side surfaces of the lower transmission shafts (44);
wherein the lower drive shaft (44) is located below the upper drive shaft (42).
6. The sand screening device for building construction according to claim 5, wherein: the lower wall of the bottom of the lower household cover (2) is fixedly connected with a base (5), and the middle shafts on the left side and the right side of the base (5) are respectively and fixedly connected with a transmission case (4).
7. The sand screening device for building construction according to claim 6, wherein: the steering gear (40) is fixedly connected with the inner wall of the right side of the transmission case (4), and the upper transmission shaft (42) and the lower transmission shaft (44) are fixedly connected with the inner wall of the left side of the transmission case (4).
8. The sand screening device for building construction according to claim 7, wherein: a plurality of stirring frames (15) penetrate through the outer wall of the top of the gear box (33) and extend into the gear box, a plurality of stirring frames (15) are rotationally connected to the outer wall of the top of the gear box (33), a plurality of pinion gears (153) are fixedly connected to the bottom of each stirring frame (15) respectively, and a plurality of pinion gears (153) are rotationally connected with a main gear (34).
9. The sand screening device for building construction according to claim 8, wherein: the upper household cover (1) is characterized in that a limiting hole (12) is formed in the middle shaft on the outer side of the upper household cover (1), the upper rack (17) penetrates through the limiting hole (12) in the upper household cover (1) and extends to the outside, and the lower rack (21) penetrates through the limiting hole (12) in the lower household cover (2) and extends to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310268829.9A CN116493255A (en) | 2023-03-20 | 2023-03-20 | Sand and stone screening device for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310268829.9A CN116493255A (en) | 2023-03-20 | 2023-03-20 | Sand and stone screening device for building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116493255A true CN116493255A (en) | 2023-07-28 |
Family
ID=87329306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310268829.9A Pending CN116493255A (en) | 2023-03-20 | 2023-03-20 | Sand and stone screening device for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116493255A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU701707A1 (en) * | 1976-06-25 | 1979-12-05 | Предприятие П/Я Г-4617 | Apparatus for crushing material |
| JP2000005623A (en) * | 1998-06-25 | 2000-01-11 | Giken Service Hanbai:Kk | Method and apparatus for dry sand-making process |
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