CN211756829U

CN211756829U - Screening sand device for building engineering

Info

Publication number: CN211756829U
Application number: CN201921873274.6U
Authority: CN
Inventors: 王慧恩; 张元会
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2020-10-27
Anticipated expiration: 2029-11-03

Abstract

The utility model provides a screening sand device for building engineering, including fixed frame, fixed frame's top is equipped with screen assembly, screen assembly is including the sliding frame, the bottom of sliding frame is equipped with the spout, the spout is located fixed frame's top surface, one side of screen assembly is equipped with the screen cloth and drags the subassembly, the screen cloth drags the subassembly including the rotation axis, just the both ends of rotation axis are connected with first driven gear and second driven gear respectively, first driven gear with one side skin weld of second driven gear has the eccentric shaft, two the surface of eccentric shaft all blocks and is equipped with annular sliding block, fixed frame's bottom is equipped with the vibration subassembly, the vibration subassembly is including roof and bottom plate, the roof with be equipped with vibrating motor between the bottom plate. The utility model discloses, drag subassembly and vibration subassembly cooperation through screen assembly, screen cloth to make grit on the screen assembly and screen cloth carry out abundant contact.

Description

Screening sand device for building engineering

Technical Field

The utility model mainly relates to a screening sand device's technical field, concretely relates to screening sand device for building engineering.

Background

A large amount of sand screening is often required in constructional engineering, and when the constructional engineering screens sand, a sand screening device can be generally used to remove large-particle sand and some impurities in the sand, so that the purity of the material is improved, and the quality of the constructional engineering is improved.

In contrast to the document CN 208554381U, the product described in this document has the advantage of breaking up agglomerated sand, but the screen can only be moved in a simple reciprocating motion during screening of the sand.

The screen cloth of screening sand machine only has single direction of motion, leads to when the screening sand, and the screen cloth appears the grit easily when the screening and the contact of screen cloth is not enough, appears screening inhomogeneous phenomenon, causes the screening efficiency of screen cloth low, the screening speed is slow, probably delays the time limit for a project.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a screening sand device for building engineering is used for solving the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a sand screening device for constructional engineering comprises a fixed frame, wherein a screen assembly is arranged at the top end of the fixed frame, the screen assembly comprises a sliding frame, a sliding chute is arranged at the bottom end of the sliding frame, the sliding chute is positioned on the top end surface of the fixed frame and is in sliding connection with the sliding chute, a screen dragging assembly is arranged on one side of the screen assembly and comprises a rotating shaft, two support plates are rotatably connected to the outer surface of the rotating shaft through bearings, the bottom end surfaces of the support plates are connected with the top end surface of the fixed frame, two ends of the rotating shaft are respectively connected with a first driven gear and a second driven gear through keys, eccentric shafts are welded on the surfaces of one sides, far away from the rotating shaft, of the first driven gear and the second driven gear, annular sliding blocks are clamped on the outer surfaces of the two eccentric shafts, two the annular sliding block all through the bolt with one side lateral wall of sliding frame is connected, fixed frame's bottom is equipped with the vibration subassembly, the vibration subassembly is including roof and bottom plate, the roof is located the top of bottom plate, just the roof pass through the bolt with the diapire of fixed frame casing is connected, the roof with be equipped with vibrating motor between the bottom plate, vibrating motor's bottom pass through the bolt with the bottom plate is connected.

Furthermore, four apex angle departments on bottom plate top surface all have a bumper shock absorber through bolted connection, and are a plurality of the bumper shock absorber is kept away from the one end of bottom plate all through the bolt with the bottom surface of roof is connected.

Furthermore, the rotation axis is kept away from one side parallel of screen cloth subassembly is equipped with the motor, the output of motor has the driving gear through the key-type connection, the driving gear with first driven gear meshes mutually.

Furthermore, the outer periphery of the screen dragging assembly is provided with a dust cover, and the bottom end of the dust cover is connected with the top end surface of the fixed frame through a bolt.

Furthermore, every the both ends of annular sliding block all run through and are equipped with the slip post, every the both ends of slip post all through the screw thread with the inner wall of dust cover is connected.

Furthermore, the top of sliding frame is connected with the screen cloth through hinge rotation, just the sliding frame pass through the movable pulley with the spout sliding connection on fixed frame top, the sliding frame with be equipped with a plurality of steel balls between the screen cloth.

Compared with the prior art, the beneficial effects of the utility model are that:

drag the cooperation of subassembly and vibration subassembly through screen assembly, screen cloth to make screen assembly when carrying out reciprocating motion, screen assembly carries out the slight vibration from top to bottom, thereby make the grit on the screen assembly carry out abundant contact with the screen cloth, thereby improve screening efficiency, the concrete performance is: through the rotation of the first driven gear, the rotating shaft and the second driven gear are enabled to synchronously rotate along with the first driven gear, so that the two annular sliding blocks slide on the outer surface of the corresponding eccentric shaft, and further the horizontal translation of the two annular sliding blocks is caused, then the screen assembly is pushed to reciprocate in the chute at the top end of the fixed frame through the annular sliding blocks, and the arrangement of the two annular sliding blocks can realize the purpose of providing uniform acting points for the screen in the screen assembly, so that the connection relation between the screen dragging assembly and the screen assembly is enhanced, through the work of a vibrating motor in the vibrating assembly, the top plate starts to vibrate, further the whole fixed frame starts to vibrate under the driving of the top plate, when the vibration is transmitted into the screen assembly, the steel balls between the screen and the sliding frame slightly bounce at the bottom end of the screen, and further the steel balls continuously impact the screen, so that the screen mesh further vibrates while receiving the mechanical energy transmitted from the fixing frame.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the screen dragging assembly of the present invention;

fig. 3 is a schematic structural diagram of the vibration assembly of the present invention;

fig. 4 is a schematic structural diagram of the screen assembly of the present invention.

In the figure: 1. a fixed frame; 11. a chute; 2. a screen assembly; 21. screening a screen; 22. a sliding frame; 3. a screen dragging assembly; 31. a driving gear; 32. a rotating shaft; 33. a first driven gear; 34. an annular slider; 35. a second driven gear; 36. a support plate; 37. an eccentric shaft; 38. a motor; 39. a sliding post; 4. a vibrating assembly; 41. a top plate; 42. a base plate; 43. a vibration motor; 44. a shock absorber; 5. a dust cover.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, a sand sieving apparatus for construction engineering, comprising a fixed frame 1, a screen assembly 2 disposed at the top end of the fixed frame 1, the screen assembly 2 comprising a sliding frame 22, a sliding chute 11 disposed at the bottom end of the sliding frame 22, the sliding chute 11 being disposed on the top end surface of the fixed frame 1, the sliding frame 22 being slidably connected to the sliding chute 11, a screen dragging assembly 3 disposed at one side of the screen assembly 2, the screen dragging assembly 3 comprising a rotating shaft 32, two supporting plates 36 rotatably connected to the outer surface of the rotating shaft 32 through bearings, the bottom end surfaces of the supporting plates 36 being connected to the top end surface of the fixed frame 1, and two ends of the rotating shaft 32 being respectively connected to a first driven gear 33 and a second driven gear 35 through keys, an eccentric shaft 37 welded to the surfaces of the first driven gear 33 and the second driven gear 35 far away from the rotating shaft 32, the outer surfaces of the two eccentric shafts 37 are respectively provided with an annular sliding block 34 in a clamping manner, the two annular sliding blocks 34 are connected with the side wall of one side of the sliding frame 22 through bolts, the bottom end of the fixed frame 1 is provided with a vibration assembly 4, the vibration assembly 4 comprises a top plate 41 and a bottom plate 42, the top plate 41 is positioned at the top end of the bottom plate 42, the top plate 41 is connected with the bottom wall of the shell of the fixed frame 1 through bolts, a vibration motor 43 is arranged between the top plate 41 and the bottom plate 42, and the bottom end of the vibration motor 43 is connected with the bottom plate 42 through bolts.

Referring to fig. 2, the top end of the sliding frame 22 is rotatably connected with a screen 21 through a hinge, the sliding frame 22 is slidably connected with a sliding groove at the top end of the fixed frame 1 through a sliding wheel, and a plurality of steel balls are arranged between the sliding frame 22 and the screen 21. In the present embodiment, the screen 21 and the slide frame 22 are rotatably connected by the hinge, so that the screen 21 is rotated about the hinge as a rotation axis, and the waste remaining on the screen 21 can be dumped.

Referring to fig. 3, a motor 38 is disposed in parallel on a side of the rotating shaft 32 away from the screen assembly 2, an output end of the motor 38 is connected with a driving gear 31 through a key, and the driving gear 31 is engaged with the first driven gear 33. In the present embodiment, the driving gear 31 is engaged with the first driven gear 33, so that the torque generated by the driving gear 31 is transmitted to the first driven gear 33 to rotate the first driven gear 33.

Referring to fig. 3 again, the outer periphery of the screen dragging assembly 3 is provided with a dust cover 5, the bottom end of the dust cover 5 is connected with the top end surface of the fixed frame 1 through a bolt, two ends of each annular sliding block 34 are provided with sliding columns 39 in a penetrating manner, and two ends of each sliding column 39 are connected with the inner wall of the dust cover 5 through threads. In the present embodiment, since the two ends of the annular sliding block 34 are provided with the sliding columns 39 respectively, the annular sliding block 34 can only slide horizontally along the sliding columns 39, so as to define the motion track of the annular sliding block 34.

Referring to fig. 4, four top corners of the top surface of the bottom plate 42 are connected with dampers 44 through bolts, and ends of the dampers 44 far away from the bottom plate 42 are connected with the bottom surface of the top plate 41 through bolts. In the present embodiment, since the four corners of the top surface of the bottom plate 42 are connected with the dampers 44 by bolts, the top plate 41 is supported, and the excessive vibration generated by the vibration assembly 4 is transmitted to the ground.

The utility model discloses a concrete operation as follows:

when the sand screening device is used for screening sand, firstly, the motor 38 is used for driving the driving gear 31 on the output end to rotate, so that the first driven gear 33 meshed with the driving gear 31 is driven by the rotation of the driving gear 31 to rotate, then the rotation of the first driven gear 33 causes the rotating shaft 32 and the second driven gear 35 to synchronously rotate along with the first driven gear 33, so that the two annular sliding blocks 34 slide on the outer surface of the corresponding eccentric shaft 37, thereby causing the horizontal translation of the two annular sliding blocks 34, then the annular sliding blocks 34 push the screen assembly 2 to do reciprocating motion in the sliding groove at the top end of the fixed frame 1, so that the screen 21 of the screen assembly 2 screens sand, meanwhile, the vibrating motor 43 in the vibrating assembly 4 works, thereby causing the top plate 41 to start vibrating, and further, under the drive of the top plate 41, the whole fixed frame 1 is made to start vibrating, when the vibration is transmitted into the screen assembly 2, the steel balls between the screen 21 and the sliding frame 22 are made to slightly bounce at the bottom end of the screen 21, and then the steel balls continuously impact the screen 21, so that the screen 21 further generates the vibration while receiving the mechanical energy transmitted by the fixed frame 1.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. A sand screening device for constructional engineering comprises a fixed frame (1), and is characterized in that a screen assembly (2) is arranged at the top end of the fixed frame (1), the screen assembly (2) comprises a sliding frame (22), a sliding chute (11) is arranged at the bottom end of the sliding frame (22), the sliding chute (11) is positioned on the top end surface of the fixed frame (1), and the sliding frame (22) is in sliding connection with the sliding chute (11);

a screen dragging component (3) is arranged on one side of the screen component (2), the screen dragging component (3) comprises a rotating shaft (32), the outer surface of the rotating shaft (32) is rotatably connected with two supporting plates (36) through a bearing, the bottom end surface of the support plate (36) is connected with the top end surface of the fixed frame (1), and both ends of the rotating shaft (32) are respectively connected with a first driven gear (33) and a second driven gear (35) through keys, eccentric shafts (37) are welded on the surfaces of one sides, far away from the rotating shaft (32), of the first driven gear (33) and the second driven gear (35), annular sliding blocks (34) are clamped on the outer surfaces of the two eccentric shafts (37), and the two annular sliding blocks (34) are connected with the side wall of one side of the sliding frame (22) through bolts;

the bottom of fixed frame (1) is equipped with vibration subassembly (4), vibration subassembly (4) are including roof (41) and bottom plate (42), roof (41) are located the top of bottom plate (42), just roof (41) through the bolt with the diapire of fixed frame (1) casing is connected, roof (41) with be equipped with vibrating motor (43) between bottom plate (42), the bottom of vibrating motor (43) through the bolt with bottom plate (42) are connected.

2. The sand screening device for construction engineering according to claim 1, wherein four corners of the top surface of the bottom plate (42) are connected with dampers (44) by bolts, and ends of the dampers (44) far from the bottom plate (42) are connected with the bottom surface of the top plate (41) by bolts.

3. The sand screening device for building engineering as claimed in claim 1, wherein a motor (38) is arranged in parallel on one side of the rotating shaft (32) far away from the screen assembly (2), an output end of the motor (38) is connected with a driving gear (31) through a key, and the driving gear (31) is meshed with the first driven gear (33).

4. A sand screening device for construction engineering according to claim 1, wherein the outer periphery of the screen cloth dragging assembly (3) is provided with a dust cover (5), and the bottom end of the dust cover (5) is connected with the top end surface of the fixed frame (1) by bolts.

5. The sand screening device for construction engineering as claimed in claim 4, wherein sliding columns (39) penetrate through both ends of each annular sliding block (34), and both ends of each sliding column (39) are connected with the inner wall of the dust cover (5) through threads.

6. The sand screening device for the building engineering as claimed in claim 1, wherein the top end of the sliding frame (22) is rotatably connected with a screen (21) through a hinge, the sliding frame (22) is slidably connected with a sliding groove at the top end of the fixed frame (1) through a sliding wheel, and a plurality of steel balls are arranged between the sliding frame (22) and the screen (21).