Sand screening device for earth-rock engineering construction

Abstract

The utility model discloses a sand screening device for earth-rock engineering construction, which relates to the field of earth-rock engineering and comprises a device body, a fixing frame and a first screening plate. By arranging the fixing frame, the fixing seat, the first fixing block, the second fixing block, the first spring, the first sieve plate and the fixing groove, a traditional installation mode of screwing a plurality of screws to the sieve plate is replaced, so that the first sieve plate only needs to be obliquely aligned with the first fixing block, then slightly extrudes the fixing seat and is aligned with the second fixing block to be placed; by arranging a first sieve plate, a second sieve plate, a limiting seat, a sliding block, a limiting block, a second spring and a limiting groove, the second sieve plate which is frequently impacted by concentrated falling materials at a falling opening and is prone to damage can be independently detached and replaced, and the first sieve plate can be conveniently installed. The maintenance cost is reduced, and the construction efficiency of the whole earth-rock engineering is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to earthwork engineering field, concretely is a kind of sand screening device for earthwork engineering construction. BACKGROUND

[0002] Earthwork engineering is one of main basic engineering in building engineering construction, it involves the excavation, transportation, filling, compaction etc. of soil and stone operation, in various building projects, such as housing construction, road construction, water conservancy project, mining development etc. field are widely used, its purpose is to create suitable site conditions for subsequent engineering construction, earthwork engineering construction quality directly influences the stability and safety of subsequent engineering, reasonable earthwork deployment can reduce engineering cost, efficient stone blasting (if involved) can speed up engineering progress.

[0003] Sand screening device has important role in earthwork engineering, it can improve the quality of sand, remove impurities, large particle stones etc. by screening, sand screening device can improve work efficiency, by mechanized screening mode, it can quickly process a large amount of sand, more efficient and accurate than manual screening, to speed up the overall progress of earthwork engineering.

[0004] Common sand screening device for earthwork engineering construction, since filter plate needs to bear the pressure and impact force of material, filter screen will be excessively stretched and deformed under long-time use, affect the flatness of filter screen, need to be replaced, generally need to disassemble multiple screws to replace, process is relatively cumbersome, affect work efficiency, therefore, the existing sand screening device for earthwork engineering construction needs to be reformed. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a sand screening device for earthwork engineering construction to solve the technical problems mentioned in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a sand screening device for earthwork engineering construction, including device main body, fixed frame and first sieve plate, fixed seat is slidably installed on the inner wall of fixed frame, and first spring is installed on the outer wall of fixed seat, second fixed block is installed on the inner wall of fixed frame, and first fixed block is installed on the outer wall of fixed seat, fixed groove is formed on the outer wall of first sieve plate, and limit seat is installed on the inner wall of first sieve plate, sliding block is slidably installed on the outer wall of limit seat, and limit block is installed on the outer wall of sliding block, and second spring is installed on the end of sliding block, second sieve plate is slidably installed on the inner wall of first sieve plate, and limit slot is formed on the inner wall of second sieve plate.

[0007] By adopting the technical scheme, the installation mode of the traditional screwing of multiple screws on the screen plate is replaced, so that the first screen plate only needs to be inclined to align with the first fixing block, gently extruded on the fixed seat, aligned with the second fixing block and placed, and the installation of the first screen plate can be completed, the working steps are reduced, the work efficiency is improved, the use turnover rate of the equipment is improved, the second screen plate which is easy to break due to the concentrated material falling impact of the material falling port can be individually disassembled and replaced, the maintenance cost is reduced, and the construction efficiency of the earthwork engineering is further improved.

[0008] Further, a plurality of first springs are installed at equal intervals on the outer wall of the fixed seat, and the first springs are connected to the fixed frame.

[0009] By adopting the technical scheme, when the screen plate is inclined to align with the first fixing block and extruded on the fixed seat, the first spring will be compressed with the movement of the fixed seat. This elastic deformation provides a certain operation space for the installation of the screen plate, so that the position of the screen plate can be more flexibly adjusted during the installation process, and the fixed groove at the top end of the screen plate can be accurately aligned with the second fixing block.

[0010] Further, a plurality of second fixing blocks are installed at equal intervals on the inner wall of the fixed frame, and a plurality of first fixing blocks are installed at equal intervals on the outer wall of the fixed seat, and the end face of the first fixing block is designed as an inclined angle.

[0011] By adopting the technical scheme, the second fixing block and the first fixing block jointly provide a plurality of fixed support points for the screen plate, ensure the stability of the overall structure of the first screen plate, and the first fixing block with an inclined angle design plays a guiding role, which is conducive to the sliding of the first fixing block into the fixed groove.

[0012] Further, a plurality of fixed grooves are symmetrically formed in the outer wall of the first screen plate, the positions of the fixed grooves correspond to the first fixing blocks and the second fixing blocks, and a handle opening for easy disassembly is formed in the outer wall of the first screen plate.

[0013] By adopting the technical scheme, the plurality of fixed grooves cooperate with the first fixing blocks and the second fixing blocks to form a stable connection system, avoid affecting the sand screening effect due to loosening or displacement of the first screen plate, and provide a safe and convenient force point for the operator, so that the disassembly process is easier to operate.

[0014] Further, the sliding block is designed as a U shape, and a plurality of limiting blocks are symmetrically installed on the outer wall of the sliding block.

[0015] By adopting the technical scheme, the U-shaped design provides stable support for the sliding block, ensures that the sliding block will not be easily displaced, and further maintains the stability of the entire structure.

[0016] Further, a plurality of second springs are symmetrically installed on the end portion of the sliding block, and the second springs are connected to the limiting seat.

[0017] By adopting the technical scheme, when the second screen plate is aligned with the limiting seat and moved downward, the second spring at the end of the sliding block is compressed with the movement of the sliding block, an operation space is provided for the installation of the second screen plate, and the installation process is more smooth.

[0018] Further, the limiting block is designed in an L shape, and the end of the limiting block is designed in an oblique angle.

[0019] By adopting the technical scheme, the oblique angle design at the end of the limiting block plays a guiding role when the second screen plate is installed, the limiting block can be smoothly slid along the edge of the limiting groove under the guidance of the oblique angle, gradually enters the limiting groove, and one side of the L shape can be closely attached to the inner wall of the limiting groove, so that the second screen plate is fixed in the correct position.

[0020] Further, a plurality of limiting grooves are formed in the inner wall of the second screen plate, and the limiting grooves are designed in an L shape corresponding to the limiting block.

[0021] By adopting the technical scheme, the L shape design of the limiting groove corresponding to the limiting block ensures the accurate matching therebetween, improves the installation efficiency, and reduces the installation time and labor cost.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] The utility model discloses a fixed frame, fixed seat, first fixed block, second fixed block, first spring, first screen plate and fixed slot are set up, instead of the installation mode of traditional screwing multiple screws to the screen plate, so that the first screen plate only needs to be inclined and aligned with the first fixed block, and then gently extrudes the fixed seat, and is placed in alignment with the second fixed block, so that the installation of the first screen plate can be completed, the working steps are reduced, the working efficiency is improved, the use turnover rate of equipment is improved, the second screen plate that is often impacted by concentrated material falling from the material falling port and is prone to damage can be individually disassembled and replaced by setting up the second screen plate, limiting seat, sliding block, limiting block, second spring and limiting groove, the maintenance cost is reduced, and the construction efficiency of the earthwork engineering is further improved. ACCURACY OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a structure schematic view of the fixed frame, first screen plate and second screen plate of the utility model;

[0026] Figure 3 It is a structure schematic view of the fixed frame of the utility model;

[0027] Figure 4 It is a structure schematic view of the fixed frame of the utility model; Figure 3 It is an enlarged view of A in the utility model;

[0028] Figure 5 It is the sectional view of the first sieve plate of the utility model;

[0029] Figure 6 It is the structural schematic view of the sliding block, the limiting block and the second spring of the utility model;

[0030] Figure 7 It is the sectional view of the second sieve plate of the utility model;

[0031] Figure 8 It is the side sectional view of the second sieve plate of the utility model.

[0032] In the figure: 1, device main body;2, fixed frame;21, fixed seat;22, first fixed block;23, second fixed block;24, first spring;3, first sieve plate;31, fixed groove;32, limiting seat;33, sliding block;34, limiting block;35, second spring;4, second sieve plate;41, limiting groove. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used for explaining the utility model and cannot be understood as limiting the utility model.

[0034] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0035] A kind of sand screening device for earthwork construction, as shown in Figure 1 - Figure 8 It includes device main body 1, fixed frame 2 and first sieve plate 3, and fixed frame 2 plays the key support and positioning role, fixed seat 21 is slidably installed in the inner wall of fixed frame 2, and multiple groups of first spring 24 are installed on the outer wall of fixed seat 21 at equal intervals, first spring 24 has good elasticity and tenacity, second fixed block 23 is installed on the inner wall of fixed frame 2, and first fixed block 22 is installed on the outer wall of fixed seat 21, to provide stable basis for subsequent installation;

[0036] The utility model discloses, first sieve plate 3 outer wall is equipped with fixed groove 31, and fixed groove 31 and first fixed block 22 and second fixed block 23 perfect matching, and first sieve plate 3 inner wall is installed with the limiting seat 32, and the limiting seat 32 outer wall is slidably installed with the sliding block 33 of U design, and the sliding block 33 outer wall is installed with the limiting block 34 of L design, and also the sliding block 33 end is installed with second spring 35, and second spring 35 provides reset function for the movement of sliding block 33, when installing first sieve plate 3, tilt it, make the fixed groove 31 of first sieve plate 3 outer wall bottom align first fixed block 22 of fixed seat 21 outer wall, because of the oblique angle design of first fixed block 22 end, first fixed block 22 can smoothly slide into fixed groove 31, compress first spring 24, when first sieve plate 3 moves to appropriate position, the fixed groove 31 of its top will align second fixed block 23 of fixed frame 2 inner wall, slowly loosen the push of first sieve plate 3, first spring 24 releases elastic potential, pushes fixed seat 21 reset, so that second fixed block 23 accurately embeds the fixed groove 31 of first sieve plate 3 top, completes the installation of first sieve plate 3;

[0037] In the following embodiment, the second sieve plate 4 is slidably installed on the inner wall of the first sieve plate 3, and the limiting groove 41 is formed on the inner wall of the second sieve plate 4, which is designed in an L shape corresponding to the limiting block 34. The stable installation and flexible disassembly of the second sieve plate 4 are realized through the cooperation of the two.

[0038] Please refer to Figure 3 and Figure 4 A plurality of first springs 24 are installed on the outer wall of the fixed seat 21 at equal intervals, and the first spring 24 is connected to the fixed frame 2. When the sieve plate is tilted and aligned with the first fixed block 22, the first spring 24 will be compressed with the movement of the fixed seat 21. This elastic deformation provides a certain operation space for the installation of the sieve plate, so that the position of the sieve plate can be adjusted more flexibly during the installation process, and the fixed groove 31 at the top end of the sieve plate can be accurately aligned with the second fixed block 23.

[0039] Please refer to Figure 3 and Figure 4 A plurality of second fixed blocks 23 are installed on the inner wall of the fixed frame 2 at equal intervals, and a plurality of first fixed blocks 22 are installed on the outer wall of the fixed seat 21 at equal intervals. The end surface of the first fixed block 22 is designed at an oblique angle. The second fixed block 23 and the first fixed block 22 jointly provide a plurality of fixed support points for the sieve plate, ensure the overall structural stability of the first sieve plate 3, and the first fixed block 22 designed at an oblique angle plays a guiding role, which is conducive to the sliding of the first fixed block 22 into the fixed groove 31.

[0040] Please refer to Figure 2 - Figure 5The outer wall of the first sieve plate 3 is symmetrically provided with a plurality of fixed grooves 31 corresponding to the first fixed block 22 and the second fixed block 23, and the outer wall of the first sieve plate 3 is provided with a handle opening for easy disassembly. The plurality of fixed grooves 31 and the first fixed block 22 and the second fixed block 23 form a stable connection system, which avoids affecting the sand screening effect due to the loosening or displacement of the first sieve plate 3. The handle opening provides a safe and convenient force point for the operator, making the disassembly process easier to operate.

[0041] Please refer to Figure 5 and Figure 6 The sliding block 33 is designed in a U shape, and a plurality of limiting blocks 34 are symmetrically installed on the outer wall of the sliding block 33. The U-shaped design provides stable support for the sliding block 33, ensuring that the sliding block 33 will not easily displace, thereby maintaining the stability of the entire structure.

[0042] Please refer to Figure 6 A plurality of second springs 35 are symmetrically installed on the end of the sliding block 33, and the second spring 35 is connected to the limiting seat 32. When the second sieve plate 4 is aligned with the limiting seat 32 and moved downward, the second spring 35 at the end of the sliding block 33 will be compressed with the movement of the sliding block 33, providing an operating space for the installation of the second sieve plate 4, making the installation process more smooth.

[0043] Please refer to Figure 6 - Figure 8 The limiting block 34 is designed in an L shape, and the end of the limiting block 34 is designed in an inclined angle. The inclined angle design at the end of the limiting block 34 plays a guiding role when installing the second sieve plate 4. The limiting block 34 can smoothly slide along the edge of the limiting groove 41 under the guidance of the inclined angle, gradually entering the limiting groove 41. One side of the L shape can tightly fit the inner wall of the limiting groove 41, firmly fixing the second sieve plate 4 in the correct position.

[0044] Please refer to Figure 6 - Figure 8 A plurality of limiting grooves 41 are provided in the inner wall of the second sieve plate 4, and the limiting grooves 41 are designed in an L shape corresponding to the limiting blocks 34. The L-shaped design of the limiting groove 41 and the limiting block 34 ensures precise matching between them, improves installation efficiency, and reduces installation time and labor cost.

[0045] The utility model discloses a working principle is: when the first sieve plate 3 in the sand screening device of earth -rock engineering construction needs to be replaced, the operator only needs to lightly knock the handle mouth, makes the first sieve plate 3 extrude fixed seat 21, and fixed seat 21 will further extrude the first spring 24 connected with it after being extruded, and the first spring 24 is contracted under stress, and with fixed seat 21 together to the fixed frame 2 inner wall direction movement, the fixed groove 31 of first sieve plate 3 top end is opened and will gradually separate second fixed block 23, when fixed groove 31 completely separates second fixed block 23, the limiting state of first sieve plate 3 is released, and first sieve plate 3 is in free movement state, and the disassembly of first sieve plate 3 is completed.

[0046] Take out the new first sieve plate 3 to be replaced, and the fixed groove 31 of first sieve plate 3 bottom end is opened and is aligned with first fixed block 22 in the inclined state, and the bevel design of first fixed block 22 end can guide it to enter fixed groove 31 smoothly, then through the extrusion of first sieve plate 3 fixed seat 21, the fixed groove 31 of first sieve plate 3 top end is moved to the outer wall position of second fixed block 23, and the extrusion force of fixed seat 21 is slowly removed, and the first spring 24 that is compressed begins to release the elastic potential energy stored, and first sieve plate 3 is moved towards the direction of second fixed block 23, so that second fixed block 23 enters fixed groove 31, and the installation of first sieve plate 3 is completed.

[0047] Since second sieve plate 4 is below the blanking opening, it is often subjected to the strong impact of concentrated blanking, and is more prone to damage than other components, therefore, second sieve plate 4 can be replaced alone, when second sieve plate 4 needs to be replaced, the sliding block 33 slidingly installed on the outer wall of the limiting seat 32 is extruded, so that the second spring 35 is compressed, and the limiting block 34 slides along the limiting groove 41, at this time, the limiting of second sieve plate 4 is released, and second sieve plate 4 can be disassembled by being pushed from below, avoiding the trouble of disassembling the entire sand screening device for earth -rock engineering construction due to the damage of second sieve plate 4, reducing the maintenance cost and difficulty, reducing the downtime of the equipment, and improving the maintainability and service life of the entire sand screening device for earth -rock engineering construction.

[0048] Take out the new second sieve plate 4 to be replaced, align the limiting seat 32 installed in the inner wall of first sieve plate 3, and move second sieve plate 4 downwards, so that the limiting groove 41 opened on the outer wall of second sieve plate 4 contacts the limiting block 34, and the bevel design of limiting block 34 is conducive to the sliding of limiting block 34 inwards under extrusion, into the limiting groove 41, with the entry of limiting block 34 into the limiting groove 41, the second spring 35 will release its elastic potential energy, and push the limiting block 34 to completely enter the limiting groove 41, completing the installation of second sieve plate 4.

[0049] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A sand screening device for earthwork construction, comprising a device main body (1), a fixed frame (2) and a first sieve plate (3), characterized in that: The inner wall of the fixed frame (2) is slidably provided with a fixed seat (21), and the outer wall of the fixed seat (21) is provided with a first spring (24); the inner wall of the fixed frame (2) is provided with a second fixed block (23), and the outer wall of the fixed seat (21) is provided with a first fixed block (22); the outer wall of the first sieve plate (3) is provided with a fixed groove (31), and the inner wall of the first sieve plate (3) is provided with a limiting seat (32); the outer wall of the limiting seat (32) is slidably provided with a sliding block (33), and the outer wall of the sliding block (33) is provided with a limiting block (34); the end of the sliding block (33) is provided with a second spring (35); the inner wall of the first sieve plate (3) is slidably provided with a second sieve plate (4), and the inner wall of the second sieve plate (4) is provided with a limiting groove (41).

2. The sand screening device for earthwork construction according to claim 1, characterized in that: The outer wall of the fixed seat (21) is provided with a plurality of groups of first springs (24) at equal intervals, and the first springs (24) are connected with the fixed frame (2).

3. The sand screening device for earthwork construction of claim 1, wherein: The inner wall of the fixed frame (2) is provided with a plurality of groups of second fixed blocks (23) at equal intervals, and the outer wall of the fixed seat (21) is provided with a plurality of groups of first fixed blocks (22) at equal intervals, and the end surface of the first fixed block (22) is designed as an inclined angle.

4. The sand screening device for earthwork construction of claim 1, wherein: The outer wall of the first sieve plate (3) is symmetrically provided with a plurality of groups of fixed grooves (31), and the positions of the fixed grooves (31) correspond to the first fixed blocks (22) and the second fixed blocks (23); and the outer wall of the first sieve plate (3) is provided with a handle opening for easy disassembly.

5. The sand screening device for earthwork construction of claim 1, wherein: The sliding block (33) is designed as a U shape, and the outer wall of the sliding block (33) is symmetrically provided with a plurality of groups of limiting blocks (34).

6. The sand screening device for earthwork construction of claim 1, wherein: The end of the sliding block (33) is symmetrically provided with a plurality of groups of second springs (35), and the second springs (35) are connected with the limiting seat (32).

7. The sand screening device for earthwork construction of claim 1, wherein: The limiting block (34) is designed as an L shape, and the end of the limiting block (34) is designed as an inclined angle.

8. The sand screening device for earthwork construction of claim 1, wherein: The inner wall of the second sieve plate (4) is provided with a plurality of groups of limiting grooves (41), and the limiting grooves (41) are designed as L shapes corresponding to the limiting blocks (34).

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