CN214917971U

CN214917971U - Grit sieving mechanism for construction

Info

Publication number: CN214917971U
Application number: CN202120683554.1U
Authority: CN
Inventors: 李成林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2021-11-30
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a sand and stone screening device for building construction, which comprises a bottom plate, wherein the top of the bottom plate is symmetrically bolted with side plates; the utility model discloses a motor drives two frames and moves under other structures mutually support, make the grit under the screening layer upon layer of first screen cloth and second screen cloth, directly select big stone, little stone and sand grain, the speed of screening is improved, the efficiency of work is improved, push into the frame through the effect with screening frame at spacing slider and spacing spout, such mode has made things convenient for taking out screening frame from the frame is inside, reach the purpose of convenient change, reduce the degree of difficulty when changing, the efficiency of changing the screen cloth has been improved, effect through telescopic cylinder and damping spring, potential energy when transmitting ground when can reducing the device vibrations, pass through the secondary energy-absorbing of anti-skidding shock pad again, thereby the noise that sends when having reduced vibrations.

Description

Grit sieving mechanism for construction

Technical Field

The utility model relates to a construction equipment technical field specifically is a grit sieving mechanism for construction.

Background

Sandstone refers to loose mixture of sand and gravel, such as that disclosed in the new patent CN212550365U, "a sandstone screening device for building construction", which has a function of conveniently feeding, but has a certain problem in use, and when in use, adopts single-layer screening, although sand and gravel can be separated, but the gravel is divided into large stones and small stones in building construction, the existing sandstone screening device can only screen out stones and sand, and cannot perform secondary screening, and needs additional equipment for screening, thus resulting in long screening time, cost increase, tedious process, and during the operation of the screening device, the screen continuously rubs with the sandstone, the screen is easily worn, but the existing screen is generally directly installed inside the screening device, which is troublesome to disassemble and wastes time, simultaneously current sieving mechanism during operation, its vibrations can produce the noise, and current sieving mechanism lacks the structure of making an uproar of falling, uses to get up and can cause certain influence to staff's hearing, for this reason we propose one kind can the secondary screening to conveniently change the screen cloth, the sieving mechanism that can the noise reduction simultaneously solves this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grit sieving mechanism for construction to lack secondary screening, inconvenient change screen cloth and the great problem of noise when solving the current sieving mechanism that provides in the above-mentioned background art and using.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a grit sieving mechanism for construction, includes the bottom plate, the top symmetry bolt of bottom plate has the curb plate, the top of bottom plate is provided with the roof with the curb plate bolt, the top symmetry of bottom plate is provided with the frame, the inside of frame is provided with the screening frame, two first screen cloth and second screen cloth are installed respectively to the internally mounted of screening frame, the backup pad is all installed, two to the both sides of curb plate rotate through the bearing between the backup pad and be connected with the dwang, the fixed surface of dwang has cup jointed the special-shaped wheel, the slip card bolt of being connected with the special-shaped wheel slip is installed to the one end of frame, the top of roof is provided with slewing mechanism, telescopic cylinder is all installed in the four corners of bottom plate bottom, the stabilizer blade is installed to telescopic cylinder's bottom, telescopic cylinder's surface cover is equipped with damping spring.

Preferably, the front and the back of the screening frame are bolted with limiting sliding blocks, limiting sliding grooves are symmetrically formed in the rack, and the limiting sliding grooves are connected with the limiting sliding blocks in a sliding mode.

Preferably, slewing mechanism includes the motor, the fixed cover of output of motor has been connected first runner, the one end of dwang is run through to the backup pad opposite side and is fixed cup jointed the second runner of being connected through belt drive with first runner and rotates the wheel.

Preferably, the surface symmetry joint of motor has the support fixed block, the bottom of supporting the fixed block and the top bolt of roof, the top intercommunication of roof has the income hopper that uses with the grit cooperation.

Preferably, the front and the back of the rack are both bolted with limiting sliding blocks, one opposite sides of the two side plates are symmetrically provided with limiting sliding grooves, and the limiting sliding blocks are connected with the limiting sliding grooves in a sliding manner.

Preferably, one side of the rack is symmetrically in threaded connection with a clamping bolt, and one end of the clamping bolt penetrates through the inside of the rack and is in threaded connection with the screening frame.

Preferably, the top of the bottom plate is provided with a material gathering groove matched with the material for use, and the bottom of the bottom plate is provided with a feed opening communicated with the material gathering groove.

Preferably, the surface of the telescopic cylinder is fixedly sleeved with a stop dog matched with the damping spring for use, and the bottom of the support leg is provided with an anti-skidding damping pad matched with the ground for use.

Compared with the prior art, the utility model provides a grit sieving mechanism for construction possesses following beneficial effect:

the utility model drives the two frames to move by the mutual cooperation of other structures through a motor, so that the gravels are directly screened out by the first screen and the second screen layer by layer, thereby improving the screening speed, reducing the time spent on extra screening and improving the working efficiency;

the utility model discloses a screen frame pushes into the frame under the effect of spacing slider and spacing spout, and spacing is carried out through the screens bolt, and such mode has made things convenient for taking out screen frame from the frame inside, reaches the purpose of convenient change, reduces the degree of difficulty when changing, has improved the efficiency of changing the screen cloth;

the utility model discloses a potential energy when transmitting ground when the device vibrations can be reduced to a flexible section of thick bamboo and damping spring's effect, passes through the secondary energy-absorbing of anti-skidding shock pad again to the noise that sends when having reduced vibrations.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is a schematic view of a side plate of the present invention;

fig. 4 is a top sectional view of the present invention.

In the figure: 1. a base plate; 2. a side plate; 3. a top plate; 4. a frame; 5. screening frames; 6. a first screen; 7. a second screen; 8. a support plate; 9. rotating the rod; 10. a special-shaped wheel; 11. a sliding latch; 12. a rotating mechanism; 121. a motor; 122. a first rotating wheel; 123. a second rotating wheel; 13. a telescopic cylinder; 14. a support leg; 15. a damping spring; 16. a limiting slide block; 17. a limiting chute; 18. supporting a fixed block; 19. feeding into a hopper; 20. a limiting sliding block; 21. a limiting sliding groove; 22. a clamping bolt; 23. a material gathering groove; 24. a feeding port; 25. a stopper; 26. antiskid shock pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a sand and stone screening device for building construction comprises a bottom plate 1, side plates 2 are symmetrically bolted at the top of the bottom plate 1, a top plate 3 bolted with the side plates 2 is arranged at the top of the bottom plate 1, a frame 4 is symmetrically arranged at the top of the bottom plate 1, screening frames 5 are arranged inside the frame 4, a first screen 6 and a second screen 7 are respectively arranged inside the two screening frames 5, the screening sizes of the first screen 6 and the second screen 7 are different, supporting plates 8 are respectively arranged at two sides of the side plate 2, a rotating rod 9 is rotatably connected between the two supporting plates 8 through a bearing, a special-shaped wheel 10 is fixedly sleeved on the surface of the rotating rod 9, a sliding clamping bolt 11 which is slidably connected with the special-shaped wheel 10 is arranged at one end of the frame 4, a rotating mechanism 12 is arranged at the top of the top plate 3, telescopic cylinders 13 are respectively arranged at four corners of the bottom plate 1, and supporting legs 14 are arranged at the bottoms of the telescopic cylinders 13, the damping spring 15 is sleeved on the surface of the telescopic cylinder 13, the two frames 4 are driven to move under the mutual cooperation of other structures through a motor 121, so that gravels are screened layer by the first screen 6 and the second screen 7, and large stones, small stones and sand grains are directly screened, the screening speed is improved, the time spent on extra screening is reduced, the working efficiency is improved, the screening frame 5 is pushed into the frames 4 under the action of the limiting slide block 16 and the limiting slide groove 17 and is limited through the clamping bolt 22, the screening frame 5 is conveniently drawn out from the inside of the frames 4 in such a way, the aim of facilitating replacement is achieved, the difficulty in replacement is reduced, the screen replacing efficiency is improved, the potential energy transmitted to the ground when the device vibrates can be reduced through the actions of the telescopic cylinder 13 and the damping spring 15, and the potential energy is absorbed secondarily through the anti-skid damping cushion 26, thereby reducing the noise generated during vibration.

Referring to fig. 4, in order to limit the screening frame 5, the front and the back of the screening frame 5 are bolted with limiting slide blocks 16, limiting slide grooves 17 are symmetrically formed in the frame 4, and the limiting slide grooves 17 are slidably connected with the limiting slide blocks 16.

Referring to fig. 1, in order to provide a rotating power to the rotating rod 9, the rotating mechanism 12 includes a motor 121, a first rotating wheel 122 is fixedly sleeved at an output end of the motor 121, and a second rotating wheel 123, which is in transmission connection with the first rotating wheel 122 through a belt, is fixedly sleeved at one end of the rotating rod 9 and penetrates to the other side of the supporting plate 8.

Referring to fig. 1 and 2, in order to fix the motor 121 and facilitate the feeding of materials into the belt screening device, the surface of the motor 121 is symmetrically clamped with supporting fixing blocks 18, the bottom of the supporting fixing blocks 18 is bolted to the top of the top plate 3, and the top of the top plate 3 is communicated with a feeding hopper 19 used in cooperation with sand.

Referring to fig. 1, 3 and 4, in order to limit the position of the frame 4 and reduce the friction force when the frame 4 moves, the front and the back of the frame 4 are bolted with limiting sliding blocks 20, the opposite sides of the two side plates 2 are symmetrically provided with limiting sliding grooves 21, and the limiting sliding blocks 20 are slidably connected with the limiting sliding grooves 21.

Referring to fig. 4, in order to limit the screening frame 5, a clamping bolt 22 is symmetrically and threadedly connected to one side of the frame 4, and one end of the clamping bolt 22 penetrates through the frame 4 and is threadedly connected to the screening frame 5.

Referring to fig. 2, in order to facilitate discharging, a material collecting groove 23 used in cooperation with the material is formed at the top of the bottom plate 1, and a discharging opening 24 communicated with the material collecting groove 23 is formed at the bottom of the bottom plate 1.

Referring to fig. 1, in order to limit the damping spring 15 and increase the friction force between the device and the ground, a stopper 25 used in cooperation with the damping spring 15 is fixedly sleeved on the surface of the telescopic cylinder 13, and an anti-skid damping pad 26 used in cooperation with the ground is installed at the bottom of the supporting leg 14.

The working principle is as follows: when the screening device works, the motor 121 is started, the motor 121 drives the first rotating wheel 122 to rotate, the first rotating wheel 122 drives the second rotating wheel 123 to rotate, the second rotating wheel 123 drives the rotating rod 9 to rotate, so that the special-shaped wheel 10 rotates, the special-shaped wheel 10 drives the sliding clamping bolt 11 to pull the rack 4 to reciprocate left and right under the action of the limiting sliding block 20 and the limiting sliding groove 21, the screening purpose is achieved, the screening sizes of the first screen 6 and the second screen 7 are different, the screening specifications are different during screening layer by layer, vibration generated during the working of the device is transmitted to the telescopic cylinder 13, the telescopic cylinder 13 is transmitted to the supporting legs 14, noise generated by vibration is reduced to the maximum degree under the energy absorption of the damping spring 15 and the anti-skid damping pad 26 layer by layer, if the screen is damaged, only the clamping bolt 22 needs to be screwed, so that the clamping bolt 22 is separated from the screening frame 5, the screening frame 5 can be drawn out from the inside of the frame 4, so that the purposes of disassembly and replacement are achieved.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a grit sieving mechanism for construction, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is symmetrically bolted with a side plate (2), the top of the bottom plate (1) is provided with a top plate (3) bolted with the side plate (2), the top of the bottom plate (1) is symmetrically provided with a rack (4), the inside of the rack (4) is provided with a screening frame (5), the internal installation of the two screening frames (5) is respectively provided with a first screen (6) and a second screen (7), the two sides of the side plate (2) are respectively provided with a support plate (8), a rotating rod (9) is rotatably connected between the two support plates (8) through a bearing, the surface of the rotating rod (9) is fixedly sleeved with a special-shaped wheel (10), one end of the rack (4) is provided with a sliding clamping bolt (11) which is slidably connected with the special-shaped wheel (10), the top of the top plate (3) is provided with a rotating mechanism (12), the four corners of the bottom plate (1) are respectively provided with a telescopic cylinder (13), the bottom of telescopic cylinder (13) is installed stabilizer blade (14), the surface cover of telescopic cylinder (13) is equipped with damping spring (15).

2. The sand screening device for building construction according to claim 1, characterized in that: the front and the back of the screening frame (5) are both bolted with limiting sliding blocks (16), limiting sliding grooves (17) are symmetrically formed in the rack (4), and the limiting sliding grooves (17) are in sliding connection with the limiting sliding blocks (16).

3. The sand screening device for building construction according to claim 1, characterized in that: slewing mechanism (12) include motor (121), the fixed cover of output of motor (121) has been connect first rotation wheel (122), the one end of dwang (9) is run through to backup pad (8) opposite side and fixed the second rotation wheel (123) of being connected through belt drive with first rotation wheel (122) of having cup jointed.

4. The sand screening device for building construction according to claim 3, characterized in that: the surface symmetry joint of motor (121) has support fixed block (18), the bottom of supporting fixed block (18) and the top bolt of roof (3), the top intercommunication of roof (3) has into hopper (19) with grit cooperation use.

5. The sand screening device for building construction according to claim 1, characterized in that: the front and the back of the rack (4) are respectively bolted with a limiting sliding block (20), one side of each of the two opposite side plates (2) is symmetrically provided with a limiting sliding groove (21), and the limiting sliding blocks (20) are connected with the limiting sliding grooves (21) in a sliding manner.

6. The sand screening device for building construction according to claim 1, characterized in that: one side symmetry threaded connection of frame (4) has screens bolt (22), the one end of screens bolt (22) run through to the inside of frame (4) and with screening frame (5) threaded connection.

7. The sand screening device for building construction according to claim 1, characterized in that: the top of bottom plate (1) is seted up and is used with the material cooperation gather silo (23), feed opening (24) with gathering silo (23) intercommunication are seted up to the bottom of bottom plate (1).

8. The sand screening device for building construction according to claim 1, characterized in that: the surface of the telescopic cylinder (13) is fixedly sleeved with a stop block (25) matched with the damping spring (15) for use, and the bottom of the supporting leg (14) is provided with an anti-skidding damping pad (26) matched with the ground for use.