CN114082639A - Grit sorting unit for civil engineering - Google Patents
Grit sorting unit for civil engineering Download PDFInfo
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- CN114082639A CN114082639A CN202111389925.6A CN202111389925A CN114082639A CN 114082639 A CN114082639 A CN 114082639A CN 202111389925 A CN202111389925 A CN 202111389925A CN 114082639 A CN114082639 A CN 114082639A
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- fixed
- screening
- rod
- shaft
- sand
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of civil engineering, in particular to a sand and stone sorting device for civil engineering, which comprises a base, wherein a portal frame is fixed on the base, and the sand and stone sorting device further comprises: the screening mechanism is arranged on the base and is used for efficiently screening the sand and stone materials; the screening mechanism is in transmission connection with the intermittent feeding mechanism and drives the intermittent feeding mechanism to intermittently convey the gravel to the screening mechanism while screening the gravel; the dust removal mechanism is arranged on the base, the screening mechanism is in transmission connection with the dust removal mechanism, and the screening mechanism screens the sand and stone materials and simultaneously drives the dust removal mechanism to collect dust generated by the operation of the screening mechanism and the intermittent feeding mechanism. This grit sorting unit for civil engineering can avoid the grit material to pile up to grit material screening in-process, improves screening efficiency and effect to the grit material to the dust that produces in the grit material screening process is collected, the protection operation environment.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a sand and stone sorting device for civil engineering.
Background
At civil engineering construction's in-process, need use a large amount of grit materials, because the construction requirement of difference needs differently to the granularity of grit, the stone of equidimension not can be used for different functions, consequently need select separately the grit material to the grit granule of the different particle diameter scope of separation.
The existing sand and stone separation equipment is low in separation efficiency of sand and stone and easy to cause sand and stone accumulation during feeding, so that the separation effect is poor, the efficiency is low, dust generated in the separation process is inconvenient to collect, and the dust is dissipated in the air to pollute the air.
Disclosure of Invention
The invention aims to provide a sand and stone sorting device for civil engineering to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a grit sorting unit for civil engineering, includes the base, is fixed with the portal frame on the base, still includes:
the screening mechanism is arranged on the base and is used for efficiently screening the sand and stone materials;
the screening mechanism is in transmission connection with the intermittent feeding mechanism and drives the intermittent feeding mechanism to intermittently convey the gravel to the screening mechanism while screening the gravel;
the dust removal mechanism is arranged on the base, the screening mechanism is in transmission connection with the dust removal mechanism, and the screening mechanism screens the sand and stone materials and simultaneously drives the dust removal mechanism to collect dust generated by the operation of the screening mechanism and the intermittent feeding mechanism.
Preferably, the screening mechanism comprises a motor and a screening box, the motor is fixed on the portal frame, a first shaft rod and a second shaft rod are coaxially and fixedly connected to two side walls of the screening box, the first shaft rod penetrates through the first support and can rotate around the axis of the first support and slide along the axial direction of the first support in a linear mode, the second shaft rod penetrates through the third support and can rotate around the axis of the third support and slide along the axial direction of the third support in a linear mode, and the first support and the third support are both fixed on the base.
Preferably, be fixed with first sieve and the second sieve that the slope set up on the screening incasement wall, and first sieve is located second sieve top, the lower extreme of first sieve is fixed with stock guide one, and stock guide one is located first material box top that connects, the lower extreme of second sieve is fixed with stock guide two, stock guide two is located the second and connects the workbin top, the lower extreme opening of screening case, and the opening is located the third and connects the workbin top, first material box that connects, second material box and third connect the workbin and all fix on the base.
Preferably, an output shaft of the motor is in transmission connection with the rotating shaft, the rotating shaft is fixedly connected to the second support in a rotating mode, the second support is fixed to the base, the rotating shaft, the first shaft rod and the second shaft rod share the central axis, the first rotating roller and the second rotating roller are coaxially and fixedly connected to the rotating shaft, the first rotating roller is in transmission connection with the first shaft rod and the dust removing mechanism respectively, and the second rotating roller is in transmission connection with the intermittent feeding mechanism.
Preferably, intermittent type formula feeding mechanism is including fixing the hopper on the portal frame, and the lower extreme of hopper is fixed with row's material pipe, and the grit material in the hopper carries to the screening incasement through arranging the material pipe, is fixed with the guide bar on the crossbeam of portal frame, and guide bar lower extreme sliding connection has the straight line form rack, the one end fixed connection valve plate of straight line form rack, the other end is connected with the stand of portal frame through the spring, valve plate sliding connection is on arranging the lateral wall of material pipe to can arrange the shutoff of material pipe.
Preferably, a first annular groove is formed in the first rotary roller, the first annular groove is arranged in a sinusoidal trend when the side wall of the first rotary roller is in an unfolded state, a second support is connected with a first pull rod in a penetrating and sliding mode, one end of the first pull rod is fixed with a first slide rod, the first slide rod is inserted in the first annular groove and can slide in the first annular groove, the other end of the second pull rod is fixed with the first pull rod, the first shaft rod is connected with the first pull rod in a penetrating and fixed-shaft rotating mode, two limiting convex rings are fixed on the first shaft rod and located on two sides of the first pull rod respectively, a third support is fixed with a cross brace, a second slide rod is fixed on the cross brace, a third rotary roller is coaxially fixed on the second shaft, a second annular groove is formed in the third rotary roller, the trend of the second annular groove is arranged in a V-shaped trend when the side wall of the third rotary roller is in an unfolded state, and the second slide rod is inserted in the second annular groove and can slide in the second annular groove.
Preferably, one end of the second rotating roller is fixed with an annular bulge, the other end of the second rotating roller is coaxially and fixedly connected with the first gear, one end, close to the annular bulge, of the side wall of the second rotating roller is fixed with a lug, the outline of the lug is arranged in a parabola trend when the side wall of the second rotating roller is in an unfolded state, a hanging rod is fixed on a cross beam of the portal frame, the lower end fixed shaft of the hanging rod rotates to be connected with the middle of the shifting lever, the lower end fixed shaft of the shifting lever is actively connected with a roller, the roller can roll along the outline of the lug and the outline of the annular bulge, the upper end of the shifting lever is fixed with an arc-shaped rack, the circle center of the arc-shaped rack is located on the rotating axis of the shifting lever, and the arc-shaped rack is meshed with the linear-shaped rack and linked.
Preferably, the fixed shaft on the first support is rotatably connected with a reciprocating screw rod, one end of the reciprocating screw rod is coaxially and fixedly connected with a second gear, the second gear is meshed with the first gear, the reciprocating screw rod is sleeved with a sliding sleeve which is in sliding connection with the first gear, the sliding sleeve is hinged with the material shifting plate through a connecting rod, and the fixed shaft at one end of the material shifting plate is rotatably connected to the lower port of the material discharging pipe.
Preferably, dust removal mechanism is including fixing water tank and a plurality of suction hood on the base, and is a plurality of the suction hood sets up the position department that the dust dissipates on hopper and screening case respectively, and the lateral wall upper surface of water tank is fixed with the pump impeller, and the inside impeller of pump impeller passes through bevel gear group and changes a transmission connection of roller, fixes on the lateral wall of pump impeller and connects breather pipe one, and the one end and each suction hood of trachea one are linked together, and the other end is linked together with the sleeve that is fixed in water tank lateral wall bottom surface, fixes on the roof of water tank and connects breather pipe two.
Preferably, the sleeve is internally inserted and connected with the pipe shaft in a fixed-shaft rotating mode, the pipe shaft is located inside the water tank, the upper end of the pipe shaft is fixed and communicated with the shunt air pipe, air holes are formed in the side wall of the shunt air pipe, and the impeller is in transmission connection with the shunt air pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the grit materials are sorted by the screening mechanism, and the grit materials in the screening box continuously shake in the rotation axis direction while reciprocating shake in the horizontal direction in the screening process, so that the grit materials can be rapidly dispersed on the corresponding screen plates, the accumulation of the grit materials is avoided, and the screening efficiency and effect of the grit materials are improved.
According to the invention, the screening mechanism screens the sand and stone materials and drives the intermittent feeding mechanism to intermittently feed the sand and stone materials, and the sand and stone materials entering the screening box are shaken and dispersed in the feeding process, so that accumulation caused by excessive sand and stone materials is avoided, and the sorting efficiency and effect of the screening box on the sand and stone materials are ensured.
According to the invention, the screening mechanism screens the sand and stone materials, and the dust removal mechanism is driven to collect dissipated dust and purify air, so that dust generated in the sand and stone material sorting process is greatly reduced, and the operation environment is protected.
Drawings
FIG. 1 is a schematic cross-sectional view of the final assembly of the present invention;
FIG. 2 is a schematic cross-sectional view of the water tank of the present invention;
FIG. 3 is a schematic view of an expanded structure of a roller according to the present invention;
FIG. 4 is a schematic view of the second roller of the present invention;
fig. 5 is a schematic view of a three-roll development structure of the present invention.
In the figure: 1. a base; 2. a first bracket; 3. a first pull rod; 4. a first gear; 5. a roller; 6. a bump; 7. a second pull rod; 8. a first sliding rod; 9. a second bracket; 10. a first trachea; 11. a sleeve; 12. a water tank; 13. a second trachea; 14. a pump impeller; 15. a bevel gear set; 16. a motor; 17. rotating a first roller; 18. a first ring groove; 19. a rotating shaft; 20. rotating a second roller; 21. a spring; 22. a boom; 23. a linear rack; 24. a deflector rod; 25. a second gear; 26. a limit convex ring; 27. a connecting rod; 28. a guide bar; 29. a valve plate; 30. a hopper; 31. a discharge pipe; 32. a kick-out plate; 33. a sliding sleeve; 34. a reciprocating screw rod; 35. a first shaft lever; 36. a second material guide plate; 37. a second material receiving box; 38. a third material receiving box; 39. a first material receiving box; 40. a third bracket; 41. a second screen deck; 42. a first material guide plate; 43. a first screen deck; 44. screening the box; 45. a second shaft lever; 46. rotating a roller III; 47. a second ring groove; 48. a gantry; 49. a cross brace; 50. a second sliding rod; 51. a tubular shaft; 52. a gas distributing pipe; 53. air holes; 54. a circular arc-shaped rack; 55. an annular projection; 56. a dust hood.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a grit sorting unit for civil engineering, includes base 1, is fixed with portal frame 48 on the base 1, still includes:
the screening mechanism is arranged on the base 1 and used for efficiently screening sand and stone materials;
the screening mechanism is in transmission connection with the intermittent feeding mechanism and drives the intermittent feeding mechanism to intermittently convey the sand and stone to the screening mechanism while screening the sand and stone;
the dust removal mechanism is arranged on the base 1, the screening mechanism is in transmission connection with the dust removal mechanism, and the screening mechanism screens sand and stone materials and simultaneously drives the dust removal mechanism to collect dust generated by the operation of the screening mechanism and the intermittent feeding mechanism.
In this embodiment, the screening mechanism includes a motor 16 and a screening box 44, the motor 16 is fixed on a gantry 48, a first shaft rod 35 and a second shaft rod 45 are coaxially and fixedly connected to two side walls of the screening box 44, the first shaft rod 35 penetrates through the first bracket 2 and can rotate around its own axis and linearly slide along its axial direction on the first bracket 2, the second shaft rod 45 penetrates through the third bracket 40 and can rotate around its own axis and linearly slide along its axial direction on the third bracket 40, both the first bracket 2 and the third bracket 40 are fixed on the base 1, a first screen plate 43 and a second screen plate 41 which are obliquely arranged are fixed on the inner wall of the screening box 44, the first screen plate 43 is located above the second screen plate 41, a first material guide plate 42 is fixed on the lower end of the first screen plate 43, the first material guide plate 42 is located above the first material receiving box 39, a second material guide plate 36 is fixed on the lower end of the second screen plate 41, the second material guide plate 36 is located above the second material receiving box 37, the lower end of the screening box 44 is open, the opening is positioned above the third material receiving box 38, the first material receiving box 39, the second material receiving box 37 and the third material receiving box 38 are all fixed on the base 1, the output shaft of the motor 16 is in transmission connection with the rotating shaft 19, the rotating shaft 19 is in fixed-shaft rotation connection with the second bracket 9, the second bracket 9 is fixed on the base 1, the rotating shaft 19 shares a central axis with the first shaft lever 35 and the second shaft lever 45, the rotating shaft 19 is coaxially and fixedly connected with the first rotating roller 17 and the second rotating roller 20, the first rotating roller 17 is in transmission connection with the first shaft lever 35 and the dedusting mechanism, the second rotating roller 20 is in transmission connection with the intermittent feeding mechanism, the first rotating roller 17 is provided with a first annular groove 18, the trend of the first annular groove 18 is arranged in a sine curve direction when the side wall of the first rotating roller 17 is in an unfolded state, the second bracket 9 is in penetrating and sliding connection with a second pull rod 7, one end of the first slide rod 8 is fixed on one end of the second pull rod 7, the first slide rod 8 is inserted in the first annular groove 18 and can slide in the first annular groove 18, the other end of the second pull rod 7 is fixedly provided with a first pull rod 3, the first shaft rod 35 penetrates through and is connected to the first pull rod 3 in a fixed-axis rotating mode, the first shaft rod 35 is fixedly provided with two limiting convex rings 26, the two limiting convex rings 26 are respectively located on two sides of the first pull rod 3, a cross brace 49 is fixed on the third support 40, a second sliding rod 50 is fixed on the cross brace 49, a third rotating roller 46 is coaxially fixed on the second shaft rod 45, a second annular groove 47 is formed in the third rotating roller 46, the trend of the second annular groove 47 is arranged in a V-shaped trend when the side wall of the third rotating roller 46 is in an unfolded state, and the second sliding rod 50 is inserted into the second annular groove 47 and can slide in the second annular groove 47.
In this embodiment, the intermittent feeding mechanism includes a hopper 30 fixed on a portal frame 48, a discharge pipe 31 is fixed at the lower end of the hopper 30, sand and stone in the hopper 30 is conveyed into a screening box 44 through the discharge pipe 31, a guide rod 28 is fixed on a cross beam of the portal frame 48, a linear rack 23 is slidably connected at the lower end of the guide rod 28, one end of the linear rack 23 is fixedly connected with a valve plate 29, the other end is connected with a column of the portal frame 48 through a spring 21, the valve plate 29 is slidably connected on the side wall of the discharge pipe 31 and can block the discharge pipe 31, an annular protrusion 55 is fixed at one end of a second rotating roller 20, a first gear 4 is coaxially and fixedly connected at the other end, a lug 6 is fixed at one end of the side wall of the second rotating roller 20 close to the annular protrusion 55, the contour of the lug 6 is arranged in a parabolic trend when the side wall of the second rotating roller 20 is in an unfolded state, a hanger rod 22 is fixed on the cross beam of the portal frame 48, the lower end fixed shaft of the suspension rod 22 is rotatably connected with the middle of the shifting rod 24, the lower end fixed shaft of the shifting rod 24 is actively connected with the roller 5, the roller 5 can roll along the contour of the bump 6 and the contour of the annular protrusion 55, the upper end of the shifting rod 24 is fixedly provided with the circular arc-shaped rack 54, the circle center of the circular arc-shaped rack 54 is positioned on the rotating axis of the shifting rod 24, the circular arc-shaped rack 54 is meshed and linked with the linear rack 23, the fixed shaft on the support I2 is rotatably connected with the reciprocating lead screw 34, one end of the reciprocating lead screw 34 is coaxially and fixedly connected with the gear II 25, the gear II 25 is meshed and connected with the gear I4, the reciprocating lead screw 34 is sleeved with the sliding sleeve 33 which is in sliding connection with the matching, the sliding sleeve 33 is hinged with the shifting plate 32 through the connecting rod 27, and one end fixed shaft of the shifting plate 32 is rotatably connected with the lower port of the discharging pipe 31.
In this embodiment, the dust removing mechanism includes a water tank 12 fixed on the base 1 and a plurality of dust hoods 56, the dust hoods 56 are respectively disposed at positions where dust on the hopper 30 and the screening box 44 is dissipated, a pump impeller 14 is fixed on the outer side wall upper surface of the water tank 12, an impeller inside the pump impeller 14 is in transmission connection with a first rotating roller 17 through a bevel gear set 15, a first ventilating pipe 10 is fixed and connected to the side wall of the pump impeller 14, one end of the first ventilating pipe 10 is communicated with each dust hood 56, the other end of the first ventilating pipe is communicated with a sleeve 11 fixed on the outer side wall bottom surface of the water tank 12, a second ventilating pipe 13 is fixed and connected to the top wall of the water tank 12, a pipe shaft 51 is inserted into the sleeve 11 and is connected in a rotating manner, the pipe shaft 51 is located inside the water tank 12, a branch air pipe 52 is fixed and communicated to the upper end of the pipe shaft 51, an air hole 53 is formed in the side wall of the branch air pipe 52, and the impeller is in transmission connection with the branch air pipe 52.
The invention has the advantages that: this grit sorting unit for civil engineering is when selecting separately the grit material, the working process as follows:
as shown in fig. 1, the motor 16 is started and the sand and stone material to be sorted is conveyed into the hopper 30 through the lifting device, the sand and stone material in the hopper 30 is thrown into the screening box 44 through the discharging pipe 31, the sand and stone material is screened by the first screen plate 43 so that the sand and stone material with larger particles is blocked and conveyed into the first material receiving box 39 through the first material guide plate 42, the sand and stone material falling from the screen holes of the first screen plate 43 is screened by the second screen plate 41 so that the sand and stone material with medium particles is blocked and conveyed into the first material receiving box 39 through the second material guide plate 36, the sand and stone material with smaller particles falling from the screen holes of the second screen plate 41 falls into the third material receiving box 38 through the lower end opening of the screening box 44 so that the screening of the sand and stone material is realized, and the first screen plate 43 and the second screen plate 41 are obliquely arranged at an oblique angle of-30 deg. so that the rolling dispersion of the sand and stone material is facilitated, the screening efficiency and the screening effect are improved.
As shown in fig. 1 and 3, after the motor 16 is started, the rotating roller 17 is synchronously driven to rotate by the rotating shaft 19, so that the rotating roller 17 rotates and simultaneously the pull rod 7 performs reciprocating horizontal movement on the bracket two 9 through the action of the annular groove one 18 and the slide rod one 8, the pull rod two 7 applies force to the shaft rod one 35 through the pull rod one 3, the shaft rod one 35 is synchronously driven to perform reciprocating horizontal movement on the bracket one 2, the two limiting convex rings 26 on the shaft rod one 35 prevent the pull rod one 3 from loosening from the shaft rod one 35, the force application stability and reliability of the pull rod one 3 to the shaft rod one 35 are improved, the shaft rod one 35 synchronously drives the sieving box 44 to perform reciprocating horizontal movement, sand in the sieving box 44 continuously shakes in the horizontal direction, and the sand and stone can be rapidly dispersed on the corresponding sieve plate to avoid sand and stone accumulation, and improve the screening efficiency and effect of the sand and stone materials.
As described above, while the screening box 44 performs the reciprocating movement in the horizontal direction, the screening box 44 synchronously drives the third rotating roller 46 to perform the reciprocating horizontal movement through the second shaft rod 45, as shown in fig. 1 and 5, so that the third rotating roller 46 performs the reciprocating rotation around the central axis of the third rotating roller 46 under the action of the second ring groove 47 and the second sliding rod 50, and further the third rotating roller 46 drives the screening box 44 to perform the reciprocating rotation around the central axis of the second shaft rod 45 through the second shaft rod 45, so that the gravel material in the screening box 44 continuously shakes in the rotation axis direction while performing the reciprocating shaking in the horizontal direction, and further the gravel material can be rapidly dispersed on the corresponding screening plates, and the screening efficiency and the screening effect on the gravel material are further improved.
As shown in fig. 1 and 4, the rotating shaft 19 drives the first rotating roller 17 to rotate and simultaneously drives the second rotating roller 20 to rotate, so that the second rotating roller 20 synchronously drives the projection 6 to rotate, when the contour of the projection 6 begins to contact with the roller 5, the projection 6 applies a rightward thrust to the lower end of the shift lever 24 through the roller 5, the lower end of the shift lever 24 is pushed to the right and the shift lever 24 drives the circular arc rack 54 to rotate counterclockwise, so that the circular arc rack 54 drives the linear rack 23 to move to the left and simultaneously compresses the spring 21 to obtain a restoring force, the linear rack 23 moves to the left and simultaneously synchronously drives the valve plate 29 to move to the left, so that the valve plate 29 does not block the discharge pipe 31, the sand and stone in the hopper 30 is thrown into the screening box 44 through the discharge pipe 31, and when the thrust of the projection 6 to the roller 5 is reduced, the linear rack 23 moves to the right under the restoring force of the linear spring 21, and make sharp linear rack 23 drive the valve plate 29 in step and carry out the shutoff to row material pipe 31, and then stop to screening case 44 transport grit material, and the right shift of sharp linear rack 23 drives driving lever 24 clockwise rotation and makes gyro wheel 5 roll along the protruding 55 outline of annular, so that can intermittent type formula drive valve plate 29 carry out intermittent type shutoff to row material pipe 31 at two 20 pivoted in-processes of commentaries on classics roller, thereby realize to the inside intermittent type formula of screening case 44 input grit material, avoid the too much grit material to lead to piling up, thereby ensure sorting efficiency and the effect of screening case 44 to grit material.
As mentioned above, the second rotating roller 20 rotates and simultaneously drives the second gear 25 to rotate through the first gear 4, so that the second gear 25 synchronously drives the reciprocating screw rod 34 to rotate, the sliding sleeve 33 drives the material shifting plate 32 to continuously swing up and down at the lower port of the material discharging pipe 31 through the connecting rod 27, the material shifting plate 32 is used for shaking and scattering sand and stone discharged from the material discharging pipe 31, and then the sand and stone fall into the screening box 44 in a dispersing manner, so that sand and stone accumulation is further avoided, and the screening efficiency and the screening effect on the sand and stone are improved.
As shown in fig. 1 and 2, each dust hood 56 is disposed at the position where dust is dissipated on the hopper 30 and the screening box 44, such as the upper opening of the hopper 30, the discharge opening of the discharge pipe 31, the upper opening of the screening box 44, each material guiding plate, the lower opening of the screening box 44, etc., the rotation of the first rotating roller 17 synchronously drives the impeller inside the pump 14 to rotate through the bevel gear set 15, so that the impeller sucks and collects the dust dissipated at each dust hood 56 through the first air pipe 10, and conveys the dust into the sleeve 11 through the first air pipe 10, then enters the diversion air pipe 52 through the pipe shaft 51, finally conveys the dust into the water through each air hole 53, collects the dust through the water, purifies the air, and discharges the purified air through the second air pipe 13, thereby greatly reducing the dust generated during the sand sorting process, protecting the working environment, and synchronously driving the diversion air pipe 52 to rotate through the rotation of the impeller, thereby making the air can even dispersion in water liquid, improving the purifying effect to the air.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a grit sorting unit for civil engineering, includes base (1), be fixed with portal frame (48), its characterized in that on base (1): further comprising:
the screening mechanism is arranged on the base (1) and is used for efficiently screening the sand and stone materials;
the screening mechanism is in transmission connection with the intermittent feeding mechanism and drives the intermittent feeding mechanism to intermittently convey the sand and stone to the screening mechanism while screening the sand and stone;
the screening mechanism is in transmission connection with the dust removal mechanism and is used for driving the dust removal mechanism to collect dust generated by the operation of the screening mechanism and the intermittent feeding mechanism while screening sand and stone materials.
2. The sand and stone separation device for civil engineering as claimed in claim 1, characterized in that: the screening mechanism comprises a motor (16) and a screening box (44), the motor (16) is fixed on a portal frame (48), a first shaft rod (35) and a second shaft rod (45) are coaxially and fixedly connected to two side walls of the screening box (44), the first shaft rod (35) penetrates through a first support (2) and can rotate around the axis of the first support (2) and linearly slide along the axial direction of the first support, the second shaft rod (45) penetrates through a third support (40) and can rotate around the axis of the third support (40) and linearly slide along the axial direction of the third support, and the first support (2) and the third support (40) are both fixed on the base (1).
3. The sand sorting device for civil engineering as claimed in claim 2, characterized in that: screening case (44) inner wall is last to be fixed with first sieve (43) and second sieve (41) that the slope set up, and first sieve (43) is located second sieve (41) top, the lower extreme of first sieve (43) is fixed with stock guide (42), and stock guide (42) are located first material receiving box (39) top, the lower extreme of second sieve (41) is fixed with stock guide two (36), stock guide two (36) are located the second and connect material box (37) top, the lower extreme opening of screening case (44), and the opening is located the third and connect material box (38) top, first material receiving box (39), second material receiving box (37) and third material receiving box (38) are all fixed on base (1).
4. The sand sorting device for civil engineering as claimed in claim 2, characterized in that: the output shaft of the motor (16) is in transmission connection with the rotating shaft (19), the rotating shaft (19) is fixedly connected to the second support (9) in a rotating mode, the second support (9) is fixed to the base (1), the rotating shaft (19) shares the central axis with the first shaft rod (35) and the second shaft rod (45), the first rotating roller (17) and the second rotating roller (20) are coaxially and fixedly connected to the rotating shaft (19), the first rotating roller (17) is in transmission connection with the first shaft rod (35) and the dedusting mechanism respectively, and the second rotating roller (20) is in transmission connection with the intermittent feeding mechanism.
5. The sand and stone separation device for civil engineering as claimed in claim 4, characterized in that: intermittent type formula feeding mechanism is including fixing hopper (30) on portal frame (48), the lower extreme of hopper (30) is fixed with row material pipe (31), and the grit material in hopper (30) is carried to screening case (44) in through row material pipe (31), be fixed with guide bar (28) on the crossbeam of portal frame (48), and guide bar (28) lower extreme sliding connection have straight line shape rack (23), one end fixed connection valve plate (29) of straight line shape rack (23), the other end is connected with the stand of portal frame (48) through spring (21), valve plate (29) sliding connection is on the lateral wall of row material pipe (31) to can be to row material pipe (31) shutoff.
6. The sand sorting device for civil engineering as claimed in claim 4, wherein: the roller I (17) is provided with a first annular groove (18), the first annular groove (18) is arranged in a sine curve direction when the side wall of the roller I (17) is in an unfolded state, the second support (9) is connected with a second pull rod (7) in a penetrating and sliding mode, one end of the second pull rod (7) is fixedly provided with a first slide rod (8), the first slide rod (8) is inserted into the first annular groove (18) and can slide in the first annular groove (18), the other end of the second pull rod (7) is fixedly provided with a first pull rod (3), the first shaft rod (35) is connected to the first pull rod (3) in a penetrating and fixed-shaft rotating mode, two limiting convex rings (26) are fixed on the first shaft rod (35), the two limiting convex rings (26) are respectively located on two sides of the first pull rod (3), a cross brace (49) is fixed on the third support (40), and a second slide rod (50) is fixed on the cross brace (49), the rotating roller III (46) is coaxially fixed on the shaft rod II (45), the rotating roller III (46) is provided with a ring groove II (47), the trend of the ring groove II (47) is arranged in a V-shaped trend when the side wall of the rotating roller III (46) is in an unfolded state, and the sliding rod II (50) is inserted into the ring groove II (47) and can slide in the ring groove II (47).
7. The sand and stone separation device for civil engineering as claimed in claim 5, characterized in that: one end of the second rotating roller (20) is fixed with an annular bulge (55), the other end of the second rotating roller is coaxially and fixedly connected with a first gear (4), a convex block (6) is fixed at one end of the side wall of the second rotating roller (20) close to the annular bulge (55), the profile of the bump (6) is arranged in a parabolic trend when the side wall of the second roller (20) is in an unfolded state, a boom (22) is fixed on a cross beam of the portal frame (48), the lower end dead axle of the boom (22) is rotationally connected with the middle part of a deflector rod (24), the lower end dead axle of the deflector rod (24) is actively connected with a roller (5), the roller (5) can roll along the contour of the convex block (6) and the contour of the annular bulge (55), the upper end of the deflector rod (24) is fixed with a circular arc-shaped rack (54), and the circle center of the circular arc-shaped rack (54) is positioned on the rotating axis of the shifting rod (24), and the circular arc-shaped rack (54) is meshed and linked with the linear rack (23).
8. The sand sorting device for civil engineering as claimed in claim 7, wherein: fixed axis rotation is connected with reciprocating type lead screw (34) on support (2), the coaxial fixed connection gear two (25) of one end of reciprocating type lead screw (34), and gear two (25) are connected with gear (4) meshing, sliding sleeve (33) of establishing and sliding connection looks adaptation are gone up to reciprocating type lead screw (34), and sliding sleeve (33) are articulated through connecting rod (27) and switch-plate (32), and the one end fixed axis rotation of switch-plate (32) is connected on the lower port of arranging material pipe (31).
9. The sand sorting device for civil engineering as claimed in claim 5, wherein: dust removal mechanism is including fixing water tank (12) and a plurality of suction hood (56) on base (1), and is a plurality of suction hood (56) set up respectively in hopper (30) and screening case (44) the scattered position department of dust, the lateral wall upper surface of water tank (12) is fixed with pump impeller (14), the inside impeller of pump impeller (14) passes through bevel gear group (15) and is connected with commentaries on classics roller (17) transmission, fixed parallel connection breather pipe (10) on the lateral wall of pump impeller (14), the one end and each suction hood (56) of trachea (10) are linked together, and the other end is linked together with sleeve (11) that are fixed in water tank (12) lateral wall bottom surface, fixed breather pipe two (13) on the roof of water tank (12).
10. The sand sorting device for civil engineering as claimed in claim 9, wherein: the sleeve (11) is internally inserted and connected with a pipe shaft (51) in a fixed-shaft rotating mode, the pipe shaft (51) is located inside the water tank (12), the upper end of the pipe shaft (51) is fixed and communicated with a shunt air pipe (52), an air hole (53) is formed in the side wall of the shunt air pipe (52), and the impeller is in transmission connection with the shunt air pipe (52).
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