CN108654971B - Building sand screening device - Google Patents
Building sand screening device Download PDFInfo
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- CN108654971B CN108654971B CN201810550373.4A CN201810550373A CN108654971B CN 108654971 B CN108654971 B CN 108654971B CN 201810550373 A CN201810550373 A CN 201810550373A CN 108654971 B CN108654971 B CN 108654971B
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- sand
- sheave
- device assembly
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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
- B07B1/08—Screens rotating within their own plane
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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
- B07B1/005—Transportable screening plants
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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
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a building sand screening device, and mainly relates to the field of building equipment. The sand screening device comprises a vehicle body, a transmission device assembly, a sand screening net disc and a sand storage disc, wherein the transmission device assembly comprises a left power device assembly, a right power device assembly and a sheave driving device assembly, the sheave driving device assembly comprises a supporting slat, a gear set, a left sheave shifting device, a right sheave shifting device and a middle sheave, the left sheave shifting device and the right sheave shifting device respectively comprise a fixed shaft, a shifting rod, a shifting pin arranged at the tail end of the shifting rod and a convex locking arc, a central shaft is arranged at the center of the middle sheave, and the top of the central shaft penetrates out of a transmission box body to be connected with the sand screening net disc. The invention has the beneficial effects that: the sand after being screened can be temporarily stored, so that the construction efficiency is greatly improved; and can be convenient for replacing the screen with different screen holes according to the application; the device can be driven by two motors, so that the problem that the service life of the motor is reduced due to long-term high-load operation of the motor when one motor is driven is avoided.
Description
Technical Field
The invention relates to the field of building equipment, in particular to a building sand screening device.
Background
The sand is an essential basic raw material in the field of construction, various impurities such as broken stones, garbage and the like exist in the sand, sand grains in the sand are also classified into different grades, the purposes are different, and the required sand is different in grain size grade. Therefore, the sand needs to be screened before it can be used. The sand screening machine in the prior art is inconvenient for replacing screen meshes of different screen holes according to purposes, sand after being screened can only be poured on the ground, and when the sand screening machine is used, the sand screening machine is manually shoveled into a cart or a sand bucket or a sand bag for containing the sand and is transported to a corresponding building station for use, so that the construction efficiency is greatly reduced; and the existing sand screening machine is driven by only one machine, and the motor runs under high load for a long time, so that the service life of the motor is greatly reduced.
Disclosure of Invention
The invention aims to provide a building sand screening device which can temporarily store sand screened by sand screening, and when the building sand screening device is used, the sand screened by sand can be placed into a cart or a sand bucket or a sand bag for containing the sand in a time-saving and labor-saving manner and then is transported to a corresponding building station for use, so that the construction efficiency is greatly improved; and can be convenient for replacing the screen with different screen holes according to the application; the device can be driven by two motors, so that the problem that the service life of the motor is reduced due to long-term high-load operation of the motor when one motor is driven is avoided.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the building sand screening device comprises a vehicle body, a transmission device assembly and a sand screening net disc, wherein a transmission box body is arranged on the vehicle body, the transmission device assembly is arranged in the transmission box body, the sand screening net disc further comprises a sand storage disc, the transmission device assembly comprises a left power device assembly, a right power device assembly and a sheave driving device assembly, the sheave driving device assembly comprises a supporting batten, a gear set, a left sheave shifting device, a right sheave shifting device and a middle sheave, the gear set comprises a left gear, two connecting gears and a right gear, the left gear is in meshing transmission with the left connecting gear, the left connecting gear is in meshing transmission with the right connecting gear, the right connecting gear is in meshing transmission with the right gear, the left power device assembly is in transmission connection with the left gear, and the right power device assembly is in transmission connection with the right gear;
the left sheave shifting device and the right sheave shifting device respectively comprise a fixed shaft, a shifting rod, a shifting pin and a convex locking arc, the shifting pin and the convex locking arc are arranged at the tail end of the shifting rod, the left gear is connected with the fixed shaft of the left sheave shifting device, the right gear is connected with the fixed shaft of the right sheave shifting device, two radial grooves are symmetrically arranged on the middle sheave, the two radial grooves are respectively matched with the shifting pin of the left sheave shifting device and the shifting pin of the right sheave shifting device, a central shaft is arranged at the center of the middle sheave, the top of the central shaft penetrates through a transmission box body to be connected with a sand screening net plate, and the sand storage plate is arranged at the bottom of the sand.
Left side power device assembly, right side power device assembly all include servo drive motor, reduction gear, shaft coupling, clutch, little band pulley, driving belt, big band pulley, servo drive motor is connected with reduction gear, shaft coupling, clutch, little band pulley transmission in proper order, little band pulley passes through driving belt and is connected with big band pulley transmission, the big band pulley and the left gear drive of left side power device assembly are connected, the big band pulley and the right gear drive of right side power device assembly are connected.
The sand screening net plate comprises a middle circular plate, a screen plate and a screen, the middle circular plate is connected with the top of a central shaft penetrating out of the transmission box body, the screen plate is arranged around the excircle of the middle circular plate, the screen is arranged on the screen plate, and the screen plate and the screen are arranged at 2-7 degrees from the included angle of the horizontal direction.
The sieve tray is composed of an outer circular seat, an inner circular seat and a frame rod, and two ends of the frame rod are respectively connected with the outer circular seat and the inner circular seat.
The top of the middle circular plate is provided with an upright post, and a steel wire pull rope is arranged between the outer circular seat and the upright post.
The screen cloth can open and shut on the screen tray, the screen cloth periphery is equipped with outer frame, the joint is fixed between screen cloth and the outer frame, outer frame and hack lever rotate to be connected, the screen cloth that can open and shut is close to one side and is equipped with the buckle.
The top of the transmission box body is provided with an annular column, the annular column is provided with a steel ball runway, a rolling steel ball is arranged in the steel ball runway, and the top of the rolling steel ball is in contact with the bottom surface of the middle circular plate.
The bottom surface of the sand storage table is an inclined surface, a sand storage cavity is arranged on the outer side of the sand storage table, a sand outlet is formed in the side wall of the sand storage cavity, and a sand outlet control valve is arranged at the sand outlet.
The sand storage table is characterized in that a support frame is arranged on the vehicle body and supports the sand storage table.
And a servo hydraulic cylinder is arranged on the bottom surface of the vehicle body.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is provided with a sand storage plate, sand screened by a sand screening net plate falls into the sand storage plate and finally falls into a sand storage cavity, the sand screened sand can be temporarily stored in the sand storage plate and the sand storage cavity, a sand outlet control valve at a sand outlet of the sand storage cavity is opened during use, the sand can flow out from the sand outlet and directly flow into a cart or a sand bucket and a sand bag for containing the sand, and the sand screened sand can be placed into the cart or the sand bucket and the sand bag for containing the sand and transported to a corresponding building station for use in a time-saving and labor-saving manner by a comparison method, so that the construction efficiency is greatly improved; the screen mesh of the device is clamped and fixed with the outer frame, so that the screen mesh is convenient to detach from the outer frame, and therefore, the screen meshes of different screen meshes can be conveniently replaced according to purposes; the device is provided with a left power device assembly and a right power device assembly, and the left power device assembly and the right power device assembly are respectively provided with a servo driving motor, so that the device can be driven by two servo driving motors, one servo driving motor is in work, the other servo driving motor is stopped for rest, and the long-term high-load operation of the servo driving motor when one machine is driven is avoided, so that the service life of the motor is shortened.
2. When a servo driving motor of the left power device assembly runs, a clutch of the left power device assembly is closed, so that the left power device assembly realizes the completed transmission motion; meanwhile, the clutch of the left power device assembly is disconnected, so that the right power device assembly does not work, and the servo drive motor of the right power device assembly does not have a rest.
3. When the sand screening net disc rotates back and forth to screen sand, sand in the sand screening net disc can move towards the outer side of the screen mesh under the action of centrifugal force, an included angle between the screen disc and the screen mesh and the horizontal direction is set to be 2-7 degrees, and partial centrifugal force can be offset by component force of sand gravity in the direction of the centrifugal force, so that the sand is prevented from being thrown out from the outer side of the screen mesh.
4. Hack lever both ends are connected with excircle seat, interior round seat respectively, make whole sieve dish become an integral type structure, and setting up of steel wire stay cord can provide a pulling force for excircle seat, the intensity in the increase sieve dish use and the stability of use.
5. The screen mesh of the device is clamped and fixed with the outer frame, so that the screen mesh is convenient to detach from the outer frame, and therefore, the screen meshes of different screen meshes can be conveniently replaced according to purposes; and the screen cloth can open and shut on the screen tray, after the fine sand that keeps in depositing sand table, the sand storage intracavity is used up, the buckle on the screen cloth that will open and shut is opened, then the great sand of granule drops to depositing sand table, the sand storage intracavity on the screen cloth, carries out convenient laborsaving recovery from the sand outlet to the great sand of these granules again.
6. The steel ball runway is arranged on the annular column, the rolling steel balls are arranged in the steel ball runway, the top of each rolling steel ball is in contact with the bottom surface of the middle circular plate, a supporting force can be provided for the middle circular plate, rolling friction is formed between the middle circular plate and the steel ball runway, the friction force is smaller, and the sand screening net plate can rotate back and forth more conveniently.
7. When the device is used, a piston rod of the servo hydraulic cylinder is controlled to extend to jack the whole vehicle body, so that wheels at the bottom of the vehicle body are separated from the ground, and the device is prevented from irregularly moving in the use process; when the device needs to be moved, a piston rod of the servo hydraulic cylinder is controlled to contract, the whole vehicle body falls, wheels at the bottom of the vehicle body are in contact with the ground, and the device is convenient to move.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a left power unit assembly and a right power unit assembly of the present invention.
Fig. 3 is a schematic structural diagram of a sheave drive assembly according to the present invention.
FIG. 4 is a schematic top view of the sand storage table of the present invention.
Figure 5 is a schematic top view of a sand screen table according to the present invention.
Fig. 6 is a schematic view showing the structure of the screen in the open state on the screen tray in the present invention.
FIG. 7 is an enlarged view of portion I of FIG. 1 in accordance with the present invention.
Reference numerals shown in the drawings:
1. a vehicle body; 2. screening a sand screen plate; 3. a transmission case body; 4. storing a sand table; 5. a left power plant assembly; 6. a right side power plant assembly; 7. supporting the ribbon board; 8. a middle grooved wheel; 9. a left gear; 10. a connecting gear; 11. a right gear; 12. a fixed shaft; 13. a deflector rod; 14. pulling a pin; 15. a convex locking arc; 16. a radial slot; 17. a central shaft; 18. a servo drive motor; 19. a speed reducer; 20. a coupling; 21. a clutch; 22. a small belt pulley; 23. a drive belt; 24. a large belt pulley; 25. a middle circular plate; 26. a sieve tray; 27. screening a screen; 28. an outer circular seat; 29. an inner circular seat; 30. a frame bar; 31. a column; 32. a steel wire rope; 33. an outer frame; 34. buckling; 35. an annular column; 36. a steel ball runway; 37. rolling the steel ball; 38. a sand storage cavity; 39. a sand outlet; 40. a sand outlet control valve; 41. a support frame; 42. a servo hydraulic cylinder; 43. and (7) wheels.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a building sand screening device, which comprises a main body structure, a transmission device assembly and a sand screening net disc 2, wherein the transmission box body 3 is arranged on the vehicle body 1, the transmission device assembly is arranged in the transmission box body 3, the sand screening net disc 4 also comprises a left power device assembly 5, a right power device assembly 6 and a grooved wheel driving device assembly, and the left power device assembly 5 and the right power device assembly 6 are respectively provided with a servo driving motor 18, so that the building sand screening device can be driven by two servo driving motors 18, when one servo driving motor 18 works, the other servo driving motor 18 stops working for rest, and the service life of the motor is prevented from being reduced due to long-term high-load operation of the servo driving motor 18 when one machine is driven. The sheave driving device assembly comprises a supporting slat 7, a gear set, a left sheave shifting device, a right sheave shifting device and a middle sheave 8, wherein the gear set comprises a left gear 9, two connecting gears 10 and a right gear 11, the left gear 9 is in meshing transmission with the left connecting gear 10, the left connecting gear 10 is in meshing transmission with the right connecting gear 10, the right connecting gear 10 is in meshing transmission with the right gear 11, the left power device assembly 5 is in transmission connection with the left gear 9, and the right power device assembly 6 is in transmission connection with the right gear 11; the left sheave shifting device and the right sheave shifting device respectively comprise a fixed shaft 12, a shifting rod 13, a shifting pin 14 and a convex locking arc 15, the shifting pin 14 and the convex locking arc 15 are arranged at the tail end of the shifting rod 13, the left gear 9 is connected with the fixed shaft 12 of the left sheave shifting device, the right gear 11 is connected with the fixed shaft 12 of the right sheave shifting device, two radial grooves 16 are symmetrically arranged on the middle sheave 8, the two radial grooves 16 are respectively matched with the shifting pin 14 of the left sheave shifting device and the shifting pin 14 of the right sheave shifting device, a central shaft 17 is arranged at the center of the middle sheave 8, the top of the central shaft 17 penetrates through the transmission box body 3 to be connected with the sand screening net plate 2, and the sand storage plate 4 is arranged at the bottom of the. After screening sand is completed through the sand screening net plate 2, sand after screening sand falls into the sand storage plate 4, finally fall into the sand storage cavity 38, the sand storage plate 4, the sand storage cavity 38 can temporarily store sand after screening sand, the sand outlet control valve 40 at the sand outlet 39 of the sand storage cavity 38 is opened during use, sand can flow out from the sand outlet 39, directly flow to a cart or a sand bucket for containing sand, and in a sand bag, by the method, the sand after screening sand can be placed into the cart or the sand bucket for containing sand, and the sand bag can be transported to a corresponding building station for use, so that the construction efficiency is greatly improved.
Left side power device assembly 5, right side power device assembly 6 all include servo drive motor 18, reduction gear 19, shaft coupling 20, clutch 21, little band pulley 22, driving belt 23, big band pulley 24, servo drive motor 18 is connected with reduction gear 19, shaft coupling 20, clutch 21, the transmission of little band pulley 22 in proper order, little band pulley 22 is connected with big band pulley 24 transmission through driving belt 23, left side power device assembly 5's big band pulley 24 is connected with left gear 9 transmission, right side power device assembly 6's big band pulley 24 is connected with right gear 11 transmission. When the servo drive motor 18 of the left power unit assembly 5 operates, the clutch 21 of the left power unit assembly 5 is closed, so that the left power unit assembly 5 realizes the completed transmission motion; at the same time, the clutch 21 of the left power unit 5 is disengaged, so that the right power unit 6 does not operate, and the servo drive motor 18 of the right power unit 6 does not rest.
Sieve sand screen cloth dish 2 includes middle part plectane 25, sieve dish 26 and screen cloth 27, middle part plectane 25 is connected with the center pin 17 top of wearing out transmission box 3, sieve dish 26 sets up around middle part plectane 25 excircle, screen cloth 27 sets up on sieve dish 26, sieve dish 26 and screen cloth 27 are 2 degrees ~ 7 degrees with the horizontal direction contained angle. When the sand sieving net plate 2 rotates back and forth to sieve sand, sand in the sand sieving net plate 2 moves towards the outer side of the screen mesh 27 under the action of centrifugal force, and a component force of the gravity of the sand on the centrifugal force direction offsets a part of the centrifugal force by setting an included angle between the screen plate 26 and the screen mesh 27 and the horizontal direction to be 2-7 degrees, so that the sand is prevented from being thrown out from the outer side of the screen mesh 27.
The sieve tray 26 is composed of an outer circular seat 28, an inner circular seat 29 and a rack rod 30, and two ends of the rack rod 30 are respectively connected with the outer circular seat 28 and the inner circular seat 29. The top of the middle circular plate 25 is provided with a column 31, and a steel wire rope 32 is arranged between the outer circular seat 28 and the column 31. Hack lever 30 both ends are connected with excircle seat 28, interior round seat 29 respectively, make whole sieve tray 26 become an integral type structure, and the setting of steel wire stay cord 32 can provide a pulling force for excircle seat 28, the intensity in the increase sieve tray 26 use and the stability of using.
The screen mesh 27 can be opened and closed on the screen disc 26, the outer frame 33 is arranged on the periphery of the screen mesh 27, the screen mesh 27 and the outer frame 33 are clamped and fixed, the outer frame 33 is rotatably connected with the rack rod 30, and the buckle 34 is arranged on the adjacent side of the openable screen mesh 27. The screen mesh 27 of the device is clamped and fixed with the outer frame 33, so that the screen mesh 27 is convenient to detach from the outer frame 33, and therefore, the screen mesh 27 with different meshes can be conveniently replaced according to purposes; the screen mesh 27 can be opened and closed on the screen disc 26, when the fine sand temporarily stored in the sand storage disc 4 and the sand storage cavity 38 is used up, the buckle 34 on the screen mesh 27 which can be opened and closed is opened, then the sand with larger particles on the screen mesh 27 falls into the sand storage disc 4 and the sand storage cavity 38, and the sand with larger particles is conveniently and laborsavingly recovered from the sand outlet 39.
The top of the transmission case body 3 is provided with an annular column 35, the annular column 35 is provided with a steel ball runway 36, a rolling steel ball 37 is arranged in the steel ball runway 36, and the top of the rolling steel ball 37 is in contact with the bottom surface of the middle circular plate 25. The top of the rolling steel ball 37 can provide a supporting force for the middle circular plate 25, and rolling friction is formed between the middle circular plate 25 and the steel ball runway 36, so that the friction force is smaller, and the sand screening net disc 2 is more convenient to rotate back and forth.
The bottom surface of the sand storage table 4 is an inclined surface, a sand storage cavity 38 is arranged on the outer side of the sand storage table 4, a sand outlet 39 is arranged on the side wall of the sand storage cavity 38, and a sand outlet control valve 40 is arranged at the position of the sand outlet 39. When the sand storage device is used, the sand outlet control valve 40 at the sand outlet 39 of the sand storage cavity 38 is opened, and sand can flow out from the sand outlet 39 and directly flow into a cart or a sand bucket or a sand bag for containing the sand.
The vehicle body 1 is provided with a support frame 41, and the support frame 41 supports the sand storage table 4.
The bottom surface of the vehicle body 1 is provided with a servo hydraulic cylinder 42. When the device is used, a piston rod of the servo hydraulic cylinder 42 is controlled to extend to jack up the whole vehicle body 1, so that wheels 43 at the bottom of the vehicle body 1 are separated from the ground, and the device is prevented from irregularly moving in the using process; when the device needs to be moved, the piston rod of the servo hydraulic cylinder 42 is controlled to contract, the whole vehicle body 1 falls, and the wheels 43 at the bottom of the vehicle body 1 contact the ground, so that the device is convenient to move.
The using method comprises the following steps:
when the screen mesh clamping device is used, the screen mesh 27 with a proper aperture size is selected to be clamped on the outer frame 33, and the clamping buckle 34 on the screen mesh 27 capable of being opened and closed is clamped and fixed. At the beginning, the servo driving motor 18 of the left power device assembly 5 is used for driving the geneva wheel driving device assembly, and the servo driving motor 18 of the right power device assembly 6 is at rest and does not work. In the process, the clutch 21 of the left power device assembly 5 is controlled to be closed, so that the left power device assembly 5 realizes complete transmission motion; at the same time, the clutch 21 of the right power assembly 6 is disconnected, so that the small belt pulley 22 of the right power assembly 6 is not in transmission connection with the output end of the speed reducer 19, and the servo drive motor 18 of the right power assembly 6 does not have a rest.
The servo driving motor 18 of the left power device assembly 5 is sequentially in transmission connection with the speed reducer 19, the coupler 20, the clutch 21 and the small belt wheel 22, the small belt wheel 22 is in transmission connection with the large belt wheel 24 through the transmission belt 23, the left gear 9 is in meshing transmission with the left connecting gear 10, the left connecting gear 10 is in meshing transmission with the right connecting gear 10, the right connecting gear 10 is in meshing transmission with the right gear 11, the large belt wheel 24 of the left power device assembly 5 is in transmission connection with the left gear 9, and the large belt wheel 24 of the right power device assembly 6 is in transmission connection with the right gear 11. The left gear 9 rotates to drive the fixed shaft 12, the shifting rod 13, the shifting pin 14 and the convex locking arc 15 of the left grooved wheel shifting device to rotate, and due to meshing transmission among gear sets, the fixed shaft 12, the shifting rod 13, the shifting pin 14 and the convex locking arc 15 of the right grooved wheel shifting device can also rotate correspondingly. In the time period from the movement of the toggle pin 14 of the left sheave toggle device into the radial groove 16 on the left side to the movement out of the radial groove 16 on the left side, the middle sheave 8 and the sand screening net disk 2 can be rotated clockwise by 90 degrees (as shown in the figure 3 in the specification), when the toggle pin 14 of the left sheave toggle device moves out of the radial groove 16 on the left side, at this time, the toggle pin 14 of the right sheave toggle device just moves into the radial groove 16 on the right side, the toggle pin 14 of the right sheave toggle device moves into the radial groove 16 on the right side to move out of the radial groove 16 on the right side, the middle sheave 8 and the sand screening net disk 2 can be rotated counterclockwise by 90 degrees (as shown in the figure 3 in the specification), when the toggle pin 14 of the right sheave toggle device moves out of the radial groove 16 on the right side, at this time, the toggle pin 14 of the left sheave toggle device just moves into the radial groove 16 on the left side, and, thereby completing the sand screening process.
After screening sand is completed through the sand screening net plate 2, sand after screening sand falls into the sand storage plate 4, finally falls into the sand storage cavity 38, the sand storage plate 4, the sand storage cavity 38 can temporarily store sand after screening sand, a sand outlet control valve 40 at a sand outlet 39 of the sand storage cavity 38 is opened during use, sand can flow out from the sand outlet 39, and directly flow to a cart or a sand bucket for containing sand, and a sand bag.
After the fine sand temporarily stored in the sand storage table 4 and the sand storage cavity 38 is used up, the buckle 34 on the openable screen mesh 27 is opened, then the sand with larger particles on the screen mesh 27 falls into the sand storage table 4 and the sand storage cavity 38, and the sand with larger particles is conveniently and laborsavingly recycled from the sand outlet 39.
After the left power device assembly 5 works for a period of time, the clutch 21 of the left power device assembly 5 is disconnected, so that the small belt pulley 22 of the left power device assembly 5 is not in transmission connection with the output end of the speed reducer 19, and the servo drive motor 18 of the left power device assembly 5 does not have a rest. And then the clutch 21 of the right power device assembly 6 is controlled to be closed, so that the right power device assembly 6 realizes complete transmission movement.
Example (b):
the invention relates to a building sand screening device, which is shown in figure 1 of the attached drawing of the specification, and comprises a main structure, a vehicle body 1, a transmission device assembly and a sand screening net disc 2, wherein the vehicle body 1 is provided with a transmission box body 3, the transmission device assembly is arranged in the transmission box body 3, the building sand screening device also comprises a sand storage disc 4, and the transmission device assembly comprises a left power device assembly 5, a right power device assembly 6 and a grooved wheel driving device assembly. As shown in fig. 3 of the attached drawings of the specification, the sheave drive device assembly comprises a support slat 7, a gear set, a left sheave shifting device, a right sheave shifting device and a middle sheave 8, wherein the gear set comprises a left gear 9, two connecting gears 10 and a right gear 11, the left gear 9 is in meshing transmission with the left connecting gear 10, the left connecting gear 10 is in meshing transmission with the right connecting gear 10, the right connecting gear 10 is in meshing transmission with the right gear 11, the left power device assembly 5 is in transmission connection with the left gear 9, and the right power device assembly 6 is in transmission connection with the right gear 11; the left sheave shifting device and the right sheave shifting device respectively comprise a fixed shaft 12, a shifting rod 13, a shifting pin 14 and a convex locking arc 15, the shifting pin 14 and the convex locking arc 15 are arranged at the tail end of the shifting rod 13, the left gear 9 is connected with the fixed shaft 12 of the left sheave shifting device, the right gear 11 is connected with the fixed shaft 12 of the right sheave shifting device, two radial grooves 16 are symmetrically arranged on the middle sheave 8, the two radial grooves 16 are respectively matched with the shifting pin 14 of the left sheave shifting device and the shifting pin 14 of the right sheave shifting device, a central shaft 17 is arranged at the center of the middle sheave 8, the top of the central shaft 17 penetrates through the transmission box body 3 to be connected with the sand screening net plate 2, and the sand storage plate 4 is arranged at the bottom of the.
As shown in fig. 2 of the attached drawings of the specification, each of the left power device assembly 5 and the right power device assembly 6 includes a servo drive motor 18, a speed reducer 19, a coupler 20, a clutch 21, a small pulley 22, a transmission belt 23, and a large pulley 24, the servo drive motor 18 is sequentially in transmission connection with the speed reducer 19, the coupler 20, the clutch 21, and the small pulley 22, the small pulley 22 is in transmission connection with the large pulley 24 through the transmission belt 23, the large pulley 24 of the left power device assembly 5 is in transmission connection with the left gear 9, and the large pulley 24 of the right power device assembly 6 is in transmission connection with the right gear 11.
As shown in the attached figure 1 of the specification, the sand sieving screen plate 2 comprises a middle circular plate 25, a sieving plate 26 and a sieving screen 27, wherein the middle circular plate 25 is connected with the top of a central shaft 17 penetrating out of the transmission case body 3, the sieving plate 26 is arranged around the outer circle of the middle circular plate 25, the sieving screen 27 is arranged on the sieving plate 26, and an included angle between the sieving plate 26 and the sieving screen 27 and the horizontal direction is 3 degrees.
As shown in fig. 1 of the accompanying drawings, the screen tray 26 is composed of an outer circular seat 28, an inner circular seat 29 and a rack bar 30, and two ends of the rack bar 30 are respectively connected with the outer circular seat 28 and the inner circular seat 29. The top of the middle circular plate 25 is provided with a column 31, and a steel wire rope 32 is arranged between the outer circular seat 28 and the column 31.
As shown in fig. 5 and fig. 6 of the attached drawings, the screen mesh 27 is openable and closable on the screen tray 26, an outer frame 33 is arranged on the periphery of the screen mesh 27, the screen mesh 27 and the outer frame 33 are fixed in a clamping manner, the outer frame 33 is rotatably connected with the rack bar 30, and a buckle 34 is arranged on the adjacent side of the openable and closable screen mesh 27.
As shown in the attached figure 1 of the specification, the top of the transmission case body 3 is provided with an annular column 35, the annular column 35 is provided with a steel ball runway 36, a rolling steel ball 37 is arranged in the steel ball runway 36, and the top of the rolling steel ball 37 is in contact with the bottom surface of the middle circular plate 25. The bottom surface of the sand storage table 4 is an inclined surface, a sand storage cavity 38 is arranged on the outer side of the sand storage table 4, a sand outlet 39 is arranged on the side wall of the sand storage cavity 38, and a sand outlet control valve 40 is arranged at the position of the sand outlet 39. The vehicle body 1 is provided with a support frame 41, and the support frame 41 supports the sand storage table 4. The bottom surface of the vehicle body 1 is provided with a servo hydraulic cylinder 42.
Claims (9)
1. Building screening sand device, including automobile body (1), transmission assembly, screening sand net dish (2), be equipped with transmission box (3) on automobile body (1), the transmission assembly sets up in transmission box (3), its characterized in that: the sand storage table (4) is also included, the transmission device assembly comprises a left power device assembly (5), a right power device assembly (6) and a grooved wheel driving device assembly, the sheave driving device assembly comprises a supporting slat (7), a gear set, a left sheave shifting device, a right sheave shifting device and a middle sheave (8), the gear set comprises a left gear (9), two connecting gears (10) and a right gear (11), the left gear (9) is in meshed transmission with the left connecting gear (10), the left connecting gear (10) is in meshed transmission with the right connecting gear (10), the right connecting gear (10) is in meshed transmission with the right gear (11), the left power device assembly (5) is in transmission connection with a left gear (9), the right power device assembly (6) is in transmission connection with a right gear (11);
the left power device assembly (5) and the right power device assembly (6) respectively comprise a servo driving motor (18), a speed reducer (19), a coupler (20), a clutch (21), a small belt wheel (22), a transmission belt (23) and a large belt wheel (24), the servo driving motor (18) is sequentially in transmission connection with the speed reducer (19), the coupler (20), the clutch (21) and the small belt wheel (22), the small belt wheel (22) is in transmission connection with the large belt wheel (24) through the transmission belt (23), the large belt wheel (24) of the left power device assembly (5) is in transmission connection with the left gear (9), and the large belt wheel (24) of the right power device assembly (6) is in transmission connection with the right gear (11);
the left sheave shifting device and the right sheave shifting device respectively comprise a fixed shaft (12), a shifting rod (13), a shifting pin (14) and a convex locking arc (15), wherein the shifting pin (14) and the convex locking arc (15) are arranged at the tail end of the shifting rod (13), the left gear (9) is connected with the fixed shaft (12) of the left sheave shifting device, the right gear (11) is connected with the fixed shaft (12) of the right sheave shifting device, two radial grooves (16) are symmetrically arranged on the middle sheave (8), the two radial grooves (16) are respectively matched with the shifting pin (14) of the left sheave shifting device and the shifting pin (14) of the right sheave shifting device, a central shaft (17) is arranged at the center of the middle sheave (8), the top of the central shaft (17) penetrates through the transmission box body (3) to be connected with the sand screening net plate (2), and the sand storage plate (4) is arranged at the.
2. The building screening apparatus of claim 1, wherein: sieve sand screen cloth dish (2) include middle part plectane (25), sieve dish (26) and screen cloth (27), middle part plectane (25) are connected with center pin (17) top of wearing out transmission box (3), sieve dish (26) set up around middle part plectane (25) excircle, screen cloth (27) set up on sieve dish (26), sieve dish (26) and screen cloth (27) are 2 degrees ~ 7 degrees with the horizontal direction contained angle.
3. The building screening apparatus of claim 2, wherein: the sieve tray (26) is composed of an outer circle seat (28), an inner circle seat (29) and a hack lever (30), and two ends of the hack lever (30) are respectively connected with the outer circle seat (28) and the inner circle seat (29).
4. The building screening apparatus of claim 3, wherein: the top of the middle circular plate (25) is provided with an upright post (31), and a steel wire pull rope (32) is arranged between the outer circular seat (28) and the upright post (31).
5. The building screening apparatus of claim 3, wherein: the screen cloth (27) can open and shut on sieve tray (26), screen cloth (27) periphery is equipped with outer frame (33), the joint is fixed between screen cloth (27) and outer frame (33), outer frame (33) and hack lever (30) rotate to be connected, the adjacent near side of screen cloth (27) that can open and shut is equipped with buckle (34).
6. The building screening apparatus of claim 2, wherein: the top of the transmission box body (3) is provided with an annular column (35), the annular column (35) is provided with a steel ball runway (36), a rolling steel ball (37) is arranged in the steel ball runway (36), and the top of the rolling steel ball (37) is in contact with the bottom surface of the middle circular plate (25).
7. The building screening apparatus of claim 1, wherein: deposit sand table (4) bottom surface and be the inclined plane, it is equipped with sand storage chamber (38) to deposit sand table (4) outside, sand storage chamber (38) lateral wall is equipped with sand outlet (39), sand outlet (39) department is equipped with out husky control flap (40).
8. The building screening apparatus of claim 7, wherein: the sand storage table is characterized in that a support frame (41) is arranged on the vehicle body (1), and the support frame (41) supports the sand storage table (4).
9. The building screening apparatus of claim 1, wherein: the bottom surface of the vehicle body (1) is provided with a servo hydraulic cylinder (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550373.4A CN108654971B (en) | 2018-05-31 | 2018-05-31 | Building sand screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550373.4A CN108654971B (en) | 2018-05-31 | 2018-05-31 | Building sand screening device |
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| Publication Number | Publication Date |
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| CN108654971A CN108654971A (en) | 2018-10-16 |
| CN108654971B true CN108654971B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810550373.4A Active CN108654971B (en) | 2018-05-31 | 2018-05-31 | Building sand screening device |
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| Country | Link |
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| CN (1) | CN108654971B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110813684A (en) * | 2019-11-15 | 2020-02-21 | 苏州嘉诺环境工程有限公司 | Step screen apparatus |
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| JPH08224B2 (en) * | 1987-05-18 | 1996-01-10 | 住友重機械工業株式会社 | Screening removal screen |
| EP0811431B1 (en) * | 1996-06-03 | 2001-08-22 | Wijnveen Ede B.V. | Sieving device with sieving position and bypass position |
| WO2016032559A1 (en) * | 2014-08-29 | 2016-03-03 | Sinclair Systems International, Llc | Automatic high speed labeling system |
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| CN108654971A (en) | 2018-10-16 |
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