CN220406298U - Building site sieves husky device - Google Patents

Abstract

The utility model discloses a sand screening device for a construction site, which comprises a sand screening box and supporting rods at the bottom of the sand screening box, wherein crankshafts are respectively arranged at the upper end and the lower end of the inner wall of a control cavity in a penetrating manner along the width direction of the sand screening box, a plurality of eccentric shafts are arranged on the crankshafts at equal intervals along the axial direction of the crankshafts, each eccentric shaft is rotatably provided with a swinging rod, an arc through groove matched with the swinging rod is respectively arranged on the baffle plate corresponding to the swinging rod, each swinging rod extends into the sand screening cavity through the arc through groove, a primary screen and a fine screen capable of swinging leftwards and rightwards are respectively arranged at the upper end and the lower end of the inner wall of the sand screening cavity, a baffle plate of a side U-shaped structure is respectively arranged on the top surfaces of the primary screen and the fine screen, a hinging seat is respectively arranged on the end surface of the baffle plate corresponding to the swinging rod, and the end part of the swinging rod, which is far away from the eccentric shaft is connected to the hinging seat. The sand screening device not only can carry out secondary screening treatment on sand in the use process, but also can ensure the stability of the screen in the movement process, thereby improving the use efficiency of the device.

Description

Building site sieves husky device

Technical Field

The utility model relates to the technical field of building construction, in particular to a sand screening device for a building site.

Background

Sand is an important engineering material in building engineering, sand grains are often required to be screened on a building site to ensure that less impurities exist in finished sand, and at present, the sand is often required to be screened before concrete is mixed on the building site to prevent large impurities from being doped in the sand, so that the fineness modulus of the sand is required to be ensured while large-particle stones and impurities are removed.

The conventional sand screening device is usually subjected to single screening operation in the use process, and does not have secondary screening treatment on sand, so that the screening quality of the device is affected; and the stability of screen cloth motion is relatively poor in screening process, influences the availability factor of the device.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the technical defects and provide the sand screening device for the construction site.

In order to solve the problems, the technical scheme of the utility model is as follows: the utility model provides a building site screen sand device, includes the bracing piece of screening sand box and screening sand box bottom, still be equipped with detachable case lid on the screening sand box top surface, screening sand box internal fixation is equipped with the baffle and through this baffle with its inside separate screening sand chamber and control chamber, control chamber inner wall upper and lower both ends wear to be equipped with the bent axle respectively along its width direction, be equipped with a plurality of eccentric shafts along its axial direction equidistance on the bent axle, every rotate on the eccentric shaft and be equipped with the pendulum rod, the arc logical groove rather than the adaptation is seted up in the punishment that corresponds of pendulum rod on the baffle, every the pendulum rod passes the arc logical groove and extends to screening sand intracavity, but screening sand chamber inner wall upper and lower both ends correspond punishment with the pendulum rod and are equipped with primary screen cloth and the meticulous screen cloth of horizontal hunting, still be equipped with the baffle of side U type structure on primary screen cloth respectively, every notch department of baffle still is equipped with detachable connecting plate, and still is equipped with the articulated seat on the baffle terminal surface in the department that corresponds, the end connection is kept away from on the eccentric shaft is equipped with the pendulum rod seat on the top surface, the end connection is kept away from on the pendulum rod seat corresponds the center position in the screening sand chamber and is located in the center position.

Further, the end parts of the two crankshafts extending out of the sand screening box are respectively provided with a belt wheel, the two belt wheels are jointly wound with a driving belt matched with the belt wheels, and any one of the end parts of the crankshafts extending out of the belt wheels is connected to an output shaft of the motor.

Further, a mounting groove is formed in the end face of the sand screening box corresponding to the connecting plate, and a cover plate is hinged in the mounting groove.

Further, sliding grooves are formed in the corresponding positions of the baffle plates on the inner walls of the front side and the rear side of the sand screening box along the length direction of the baffle plates respectively, sliding blocks matched with the sliding grooves are arranged in the sliding grooves, and the end parts, extending out of the sliding grooves, of the sliding blocks are fixedly connected to the end faces of the baffle plates.

Further, a discharge hole is further formed in the position, corresponding to the central position of the sand screening cavity, of the bottom of the sand screening box, and diversion bases are further arranged at two ends of the discharge hole on the inner wall of the sand screening cavity respectively.

Compared with the prior art, the utility model has the advantages that: the screen can be driven to swing left and right under the action of the eccentric shaft and the swing rod in the rotating process of the eccentric shaft through the actions of the crankshaft, the eccentric shaft and the hinged swing rod, so that the stability of the screen in the moving process can be ensured; the cooperation of the primary screen cloth and the fine screen cloth at the upper end and the lower end and under the action of the belt and the transmission belt, the eccentric shafts at the upper end and the lower end can be driven to rotate simultaneously, and the primary screen cloth and the fine screen cloth at the upper end and the lower end are driven to swing left and right under the action of the swinging rod, so that sand is subjected to secondary screening treatment, and the screening quality of the device is increased. The sand screening device not only can carry out secondary screening treatment on sand in the use process, but also can ensure the stability of the screen in the movement process, thereby improving the use efficiency of the device.

Drawings

Fig. 1 is a front view structural diagram of the present utility model.

Fig. 2 is a top view of the structure of the present utility model.

Fig. 3 is a side view structural diagram of the present utility model.

As shown in the figure: 1. screening sand boxes; 2. a support rod; 3. a case cover; 4. a partition plate; 5. a crankshaft; 6. an eccentric shaft; 7. swing rod; 8. arc through grooves; 9. a primary screen; 10. fine screen; 11. a baffle; 12. a connecting plate; 13. a chute; 14. a slide block; 15. a mounting groove; 16. a cover plate; 17. a belt wheel; 18. a transmission belt; 19. a motor; 20. a feed inlet; 21. a discharge port; 22. and a diversion base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a sand screening device for construction sites comprises a sand screening box 1 and a support rod 2 at the bottom of the sand screening box 1, wherein a detachable box cover 3 is further arranged on the top surface of the sand screening box 1, a partition plate 4 is fixedly arranged in the sand screening box 1 and divides the interior of the sand screening box into a sand screening cavity and a control cavity which are mutually independent through the partition plate 4, a crankshaft 5 is respectively arranged at the upper end and the lower end of the inner wall of the control cavity in a penetrating way along the width direction of the control cavity, the crankshaft 5 is rotationally connected in the control cavity, a plurality of eccentric shafts 6 are equidistantly arranged on the crankshaft 5 along the axial direction of the crankshaft, a swinging rod 7 is rotationally arranged on each eccentric shaft 6, arc-shaped through grooves 8 matched with the swinging rod 7 are respectively arranged on the partition plate 4 corresponding to the swinging rod 7, each swinging rod 7 penetrates through the arc-shaped through grooves 8 to the sand screening cavity, a primary screen 9 and a fine screen 10 which can swing left and right are respectively arranged at the upper end and the lower end of the inner wall of the sand screening cavity corresponding to the swinging rod 7, the primary screen 9 can screen out larger impurities in the screen, the fine screen effectively screens out fine impurities in sand, thereby improving the screening quality of the device, the top surfaces of the primary screen 9 and the fine screen 10 are respectively provided with baffle plates 11 with side U-shaped structures, the notch of each baffle plate 11 is also provided with a detachable connecting plate 12, the cooperation of the baffle plates 11 and the connecting plates 12 can avoid the overflow phenomenon of sand in the movement process of the screen 10, the end surface of the sand screening box 1 corresponding to the connecting plates 12 is also provided with a mounting groove 15, a cover plate 16 is hinged in the mounting groove 15, the cover plate 16 is opened, the connecting plates 12 are detached, accumulated impurities on the primary screen 9 and the fine screen 10 can be effectively cleaned and collected, the end surfaces of the baffle plates 11 are respectively provided with a hinged seat at the corresponding positions of the swinging rods 7, the end parts of the swinging rods 7 far away from the eccentric shafts 6 are connected on the hinged seats, in the process of rotating the eccentric shaft 6, the swing rod 7 is driven to swing left and right, meanwhile, the primary screen 9 and the fine screen 10 are driven to swing left and right in the sand screening cavity, sand is effectively screened, the top surface of the box cover 3 is further provided with a feed inlet 20 corresponding to the central position of the sand screening cavity, the bottom of the sand screening box 1 is further provided with a discharge outlet 21 corresponding to the central position of the sand screening cavity, and the inner wall of the sand screening cavity is further provided with flow guide bases 22 at two ends of the discharge outlet 21 respectively.

The end parts of the two crankshafts 5 extending out of the sand screening box 1 are respectively provided with a belt wheel 17, a transmission belt 18 matched with the two belt wheels is wound on the two belt wheels 17, the end part of any crankshaft 5 extending out of the belt wheel 17 is connected to the output shaft of the motor 19, the motor 19 is started to drive one crankshaft 5 to rotate, and under the action of the belt wheels 17 and the transmission belt 18, the two crankshafts 5 can be driven to rotate simultaneously, so that the eccentric shafts 6 at the upper end and the lower end are driven to rotate simultaneously.

Sliding grooves 13 are respectively formed in the positions, corresponding to the baffle plates 11, on the inner walls of the front side and the rear side of the sand screening box 1 along the length direction of the baffle plates, sliding blocks 14 matched with the sliding grooves are arranged in the sliding grooves 13, the end parts, extending out of the sliding grooves 13, of the sliding blocks 14 are fixedly connected to the end faces of the baffle plates 11, and the sliding grooves 13 and the sliding blocks 14 are matched to ensure the stability of the primary screen 9 and the fine screen 10 in the horizontal swinging process.

In specific use, the device is put to the assigned position, firstly sand is injected into the sand screening cavity from the feed inlet 20, then the motor 19 is started under the action of the transmission device to drive the crankshafts 5 at the upper end and the lower end to rotate simultaneously, the eccentric shafts 6 at the upper end and the lower end are driven to rotate simultaneously, the swinging 7 at the upper end and the lower end are driven to swing horizontally simultaneously, the primary filter screen 9 and the fine filter screen 10 are driven to swing horizontally, the sand on the top surface of the sand screening device is subjected to effective secondary screening treatment, the screened sand is discharged and collected from the discharge outlet 21, the cover plate 16 is opened after screening is completed, the connecting plate 12 is detached, and accumulated impurities on the primary screen 9 and the fine screen 10 can be effectively cleaned and collected, so that the use efficiency of the device is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The utility model provides a building site sieves husky device, includes and sieves bracing piece (2) of sand box (1) and sand box (1) bottom, still be equipped with detachable case lid (3), its characterized in that on sand box (1) top surface: the sand screening box is characterized in that a baffle plate (4) is fixedly arranged in the sand screening box (1) and divides the inner part of the sand screening box into a sand screening cavity and a control cavity which are independent of each other through the baffle plate (4), a crankshaft (5) is respectively arranged at the upper end and the lower end of the inner wall of the control cavity in a penetrating mode along the width direction of the inner wall of the control cavity, a plurality of eccentric shafts (6) are arranged on the crankshaft (5) at equal intervals along the axial direction of the crankshaft, a swinging rod (7) is rotatably arranged on each eccentric shaft (6), arc-shaped through grooves (8) which are matched with the swinging rod (7) are respectively arranged on the baffle plate (4) corresponding to the swinging rod (7), each swinging rod (7) penetrates through the arc-shaped through grooves (8) to extend into the sand screening cavity, a primary screen (9) and a fine screen (10) which can swing left and right are respectively arranged at the upper end and the lower end of the inner wall of the sand screening cavity corresponding to the swinging rod (7), a baffle plate (11) with a side U-shaped structure is respectively arranged on the top surface of the primary screen (9) and the fine screen (10), a detachable connecting plate (12) is further arranged at the notch of the baffle plate (11), the end face corresponding to the swinging rod (7) and the swinging rod (7) is further provided with a hinge seat (20) corresponding to the top surface corresponding to the swinging rod (7) and the center seat (20).

2. A construction site sand screening apparatus as claimed in claim 1, wherein: the end parts of the two crankshafts (5) extending out of the sand screening box (1) are respectively provided with a belt wheel (17), a transmission belt (18) matched with the two belt wheels (17) is wound on the two belt wheels together, and the end part of any one of the crankshafts (5) extending out of the belt wheel (17) is connected to an output shaft of a motor (19).

3. A construction site sand screening apparatus according to any one of claims 1 or 2, wherein: the end face of the sand screening box (1) corresponding to the connecting plate (12) is also provided with a mounting groove (15), and a cover plate (16) is hinged in the mounting groove (15).

4. A construction site sand screening apparatus as claimed in claim 1, wherein: sliding grooves (13) are respectively formed in the positions, corresponding to the baffle plates (11), on the inner walls of the front side and the rear side of the sand screening box (1) along the length direction of the baffle plates, sliding blocks (14) matched with the sliding grooves are arranged in the sliding grooves (13), and the end parts, extending out of the sliding grooves (13), of the sliding blocks (14) are fixedly connected to the end faces of the baffle plates (11).

5. A construction site sand screening apparatus as claimed in claim 1, wherein: the sand screening box is characterized in that a discharge hole (21) is further formed in the position, corresponding to the central position of the sand screening cavity, of the bottom of the sand screening box (1), and diversion bases (22) are further arranged at two ends of the discharge hole (21) on the inner wall of the sand screening cavity respectively.