Sand screening device for constructional engineering

Abstract

The utility model discloses a constructional engineering sand screening device, and relates to the technical field of sand screening, the constructional engineering sand screening device comprises a screen assembly, side frame assemblies are arranged on two sides of the screen assembly, end frame assemblies are arranged at two ends of the screen assembly, the screen assembly comprises a screen, fixed insertion strips are fixedly mounted on two sides of the screen, and the side frame assemblies and the end frame assemblies are arranged on two sides of the screen. The side frame assembly comprises a side frame strip, a fixing inserting groove is formed in one side of the side frame strip, the fixing inserting strip is inserted into the fixing inserting groove, the two ends of the side frame strip are each provided with a first inclined face, a screw hole is formed in the middle of each first inclined face, the end frame assembly comprises an end frame strip, and the two ends of each end frame strip are each provided with a second inclined face. Screw rod grooves are formed in the two ends of the end frame strips, and screw rods are arranged in the screw rod grooves in a penetrating and inserting mode; according to the vibrating screen, mounting and dismounting can be conveniently carried out, the screen assembly can be conveniently replaced, the storage size can be reduced, storage and transportation are convenient, and the vibrating screen has high practical value.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screening, in particular to a sand screening device for construction projects. Background Art

[0002] Sand screening is a process used to separate sand particles of varying sizes. This allows sand to be sorted by particle size to meet the requirements of various construction projects. Screening not only removes oversized and undersized particles but also ensures uniformity and consistency, which is crucial for ensuring the quality of construction materials.

[0003] Based on the above, the inventors of the present invention believe that current construction sand screening usually uses a screen or a vibrating screen to screen the sand. The vibrating screen needs to be connected to a power supply to use. Both have a large volume and are inconvenient to transport and store. In addition, the common screen is a wooden frame structure with a short service life. The damaged metal mesh is not easy to replace and is inconvenient to use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a construction engineering sand screening device is provided to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the present invention is to provide a sand screening device for construction projects to solve the problems raised in the above background technology.

[0006] A sand screening device for construction projects includes a screen assembly, side frame assemblies are provided on both sides of the screen assembly, and end frame assemblies are provided at both ends of the screen assembly, the screen assembly includes a screening mesh, and fixed insertion strips are fixedly installed on both sides of the screening mesh, the side frame assembly includes a side frame bar, a fixed slot is provided on one side of the side frame bar, the fixed insertion strip is inserted inside the fixed slot, a first inclined surface is provided at both ends of the side frame bar, a screw hole is provided in the middle of the first inclined surface, the end frame assembly includes an end frame bar, a second inclined surface is provided at both ends of the end frame bar, the second inclined surface is fitted with the first inclined surface, a screw groove is provided at both ends of the end frame bar, a screw rod is inserted inside the screw groove, and the screw rod is threadedly connected to the screw hole.

[0007] By adopting the above technical solution, the setting of the screen assembly makes it easy to screen the sand and screen out the large stones in the sand. By setting the side frame assembly and the end frame assembly, the screen assembly is easy to fix, so that the surface of the screen assembly has tension, which is convenient for screening the sand. By setting the screening net, it is easy to achieve the screening of sand particles and determine the screening accuracy. By setting the fixed inserts, the side frame assembly can be conveniently fixed to the screening net. By inserting the fixed inserts into the fixed slots, the side frame bars can be conveniently fixed and limited to the fixed inserts. By setting the screw holes, the side frame bars and the end frame bars can be conveniently fixedly connected using screws. The surfaces fit together, which makes it easy to move the two side frame bars away from each other during the process of locking the screw rod and the screw hole, so that the side frame bars can tighten the screening net, making it convenient for the screening net to screen the sand. The setting of the screw groove makes it easy for the screw rod to pass through the end frame bar, and the screw rod can be allowed to slide along the screw groove during the process of locking the screw rod and the screw hole. The screw rod is threadedly connected to the screw hole, which makes it easy to lock and fix the end frame assembly and the side frame assembly to form a frame structure to fix the screen assembly, facilitate installation, disassembly and replacement of the screen assembly, and can be disassembled during transportation and storage to reduce the storage volume, which is convenient for transportation and storage. The screening net can be wound around the outside of the fixed insert for storage.

[0008] Furthermore, a gasket is sleeved on the outer side of the screw rod, a hexagonal head is provided at one end of the screw rod away from the side frame bar, and the gasket is arranged between the hexagonal head of the screw rod and the end frame bar.

[0009] By adopting the above technical solution and setting the gasket, it is convenient to disperse the pressure and prevent loosening.

[0010] Furthermore, screw head grooves are provided on the side surfaces of both ends of the end frame strip, and the screw head grooves are arranged on the outside of the hexagonal head of the screw rod.

[0011] By adopting the above technical solution and setting the screw head groove, it is easy to accommodate the hexagonal head of the screw rod, which is beneficial to protecting the end of the screw rod.

[0012] Furthermore, a storage groove is provided on a side adjacent to the side where the side frame bar is provided with a fixed slot, and a support rod is provided inside the storage groove.

[0013] By adopting the above technical solution and providing the storage groove, the support rods can be easily stored during storage and transportation, thereby reducing the storage volume.

[0014] Furthermore, one end of the support rod is hinged to the receiving slot, and a buckle slot is provided at one end of the receiving slot away from the hinged end of the support rod.

[0015] By adopting the above technical solution and setting the buckle groove, it is convenient to buckle out one end of the support rod when in use, so that the support rod can provide support to hold up the screen assembly, making it convenient to screen the sand.

[0016] Furthermore, buckle blocks are provided on both sides of one end of the support rod facing the buckle slot, and the buckle blocks are engaged with the receiving slot.

[0017] By adopting the above technical solution and setting the snap block, the support rod can be snapped and fixed inside the storage slot during storage and transportation, thereby preventing the support rod from loosening during storage and transportation.

[0018] Furthermore, pull ropes are fixedly installed at both ends of the screening net, and both ends of the pull ropes are fixedly connected to the fixed inserts.

[0019] By adopting the above technical solution and setting the pull rope, it is convenient to tighten the pull rope when the fixed cutting strip tightens the screening net, so that the pull rope tightens both ends of the screening net, provides longitudinal tension, and facilitates screening of sand.

[0020] Furthermore, the side frame bars and the end frame bars are both made of aluminum alloy, and the side of the end frame bar away from the screening mesh is wrapped with an anti-slip layer, and the material of the anti-slip layer is rubber material.

[0021] By adopting the above technical solution, the side frame bars and the end frame bars are made of aluminum alloy, which makes it easy to make the side frame bars and the end frame bars have low density and high strength, and convenient for transportation and storage. The provision of the anti-slip layer makes it easy to keep the device stable during use.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: through the arrangement of the screen mesh assembly, it is convenient to screen sand and screen out large particles of stone in the sand; through the arrangement of the side frame assembly and the end frame assembly, it is convenient to fix the screen mesh assembly so that the surface of the screen mesh assembly has tension, which is convenient for screening sand; through the arrangement of the screening mesh, it is convenient to achieve the screening of sand particles and determine the screening accuracy; through the arrangement of the fixed inserts, it is convenient for the side frame assembly to fix the screening mesh; through the insertion of the fixed inserts into the fixed slots, it is convenient for the side frame bars to fix and limit the fixed inserts; through the arrangement of the screw holes, it is convenient to use screw rods to fix the side frame bars to the end frame bars; through the fit of the second inclined surface with the first inclined surface, the two side bars can be fixed in the process of locking the screw rods and the screw holes. The frame bars are away from each other, so that the side frame bars can tighten the screening net, making it convenient for the screening net to screen sand. The setting of the screw groove makes it convenient for the screw rod to pass through the end frame bar, and the screw rod can be allowed to slide along the screw groove during the process of locking the screw rod and the screw hole. The screw rod is threadedly connected to the screw hole, which makes it convenient to lock and fix the end frame assembly and the side frame assembly to form a frame structure to fix the screen assembly, making it convenient to install, disassemble and replace the screen assembly, and can be disassembled during transportation and storage, reducing the storage volume, making transportation and storage convenient, and the screening net can be wound around the outside of the fixed insert for storage; the utility model can be conveniently installed and disassembled, and the screen assembly is convenient to replace, and the storage volume can be reduced, making storage and transportation convenient, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a construction engineering sand screening device according to the present utility model;

[0024] Figure 2 This is a partial enlarged view of the screen assembly of the present invention;

[0025] Figure 3 This is an exploded view of the side frame assembly of the present invention;

[0026] Figure 4 The utility model provides Figure 3 A magnified view of the structure in the middle;

[0027] Figure 5 This is a partial exploded view of the end frame assembly of the present invention.

[0028] In the figure: 1. Screen assembly; 11. Screening mesh; 12. Fixed insert; 13. Pull rope; 2. Side frame assembly; 21. Side frame bar; 22. Storage slot; 23. Support rod; 24. Buckle slot; 25. First inclined surface; 26. Screw hole; 27. Fixed slot; 3. End frame assembly; 31. End frame bar; 32. Second inclined surface; 33. Screw slot; 34. Gasket; 35. Screw rod; 36. Screw head slot. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 5 The utility model provides a technical solution: a construction engineering sand screening device, including a screen assembly 1, through the setting of the screen assembly 1, it is convenient to screen the sand and screen out the large particles of stone in the sand, the screen assembly 1 is provided with side frame assemblies 2 on both sides, and the screen assembly 1 is provided with end frame assemblies 3 at both ends, through the setting of the side frame assembly 2 and the end frame assembly 3, it is convenient to fix the screen assembly 1, so that the surface of the screen assembly 1 has tension, which is convenient for screening the sand, the screen assembly 1 includes a screening net 11, through the setting of the screening net 11, it is convenient to screen the sand particles, and determine the screen The sieve mesh 11 is fixed with fixed inserts 12 on both sides. The setting of the fixed inserts 12 facilitates the side frame assembly 2 to fix the sieve mesh 11. The side frame assembly 2 includes a side frame bar 21. A fixed slot 27 is provided on one side of the side frame bar 21. The fixed inserts 12 are inserted into the fixed slot 27. The fixed inserts 12 are inserted into the fixed slot 27 to facilitate the side frame bar 21 to fix and limit the fixed inserts 12. Both ends of the side frame bar 21 are provided with a first inclined surface 25. A screw hole 26 is provided in the middle of the first inclined surface 25. The setting of the screw hole 26 facilitates the use of a screw rod. 35 is used to fix the side frame bar 21 and the end frame bar 31 together. The end frame assembly 3 includes an end frame bar 31. A second inclined surface 32 is provided at both ends of the end frame bar 31. The second inclined surface 32 is fitted with the first inclined surface 25. The second inclined surface 32 is fitted with the first inclined surface 25 to facilitate the process of tightening the screw rod 35 and the screw hole 26. The two side frame bars 21 can be moved away from each other, so that the side frame bar 21 can tighten the screening net 11, making it convenient for the screening net 11 to screen the sand. Screw grooves 33 are provided at both ends of the end frame bar 31. The setting of the screw grooves 33 facilitates the screw rod 35 to pass through the end frame bar 31. The screw rod 35 can be allowed to slide along the screw groove 33 during the process of locking the screw rod 35 and the screw hole 26. A screw rod 35 is inserted into the screw groove 33, and the screw rod 35 is threadedly connected to the screw hole 26. The screw rod 35 is threadedly connected to the screw hole 26, which facilitates the locking and fixing of the end frame assembly 3 and the side frame assembly 2 to form a frame structure to fix the screen assembly 1, facilitate the installation, disassembly and replacement of the screen assembly 1, and can be disassembled during transportation and storage to reduce the storage volume and facilitate transportation and storage. The screening mesh 11 can be wound around the outside of the fixed insert 12 for storage.

[0031] Among them, a gasket 34 is provided on the outside of the screw rod 35, and a hexagonal head is provided at the end of the screw rod 35 away from the side frame bar 21. The gasket 34 is arranged between the hexagonal head of the screw rod 35 and the end frame bar 31. The setting of the gasket 34 facilitates the dispersion of pressure and prevention of loosening.

[0032] Among them, screw head grooves 36 are opened on the side surfaces of both ends of the end frame strip 31, and the screw head grooves 36 are arranged on the outside of the hexagonal head of the screw rod 35. The setting of the screw head grooves 36 can easily accommodate the hexagonal head of the screw rod 35, which is beneficial to protecting the end of the screw rod 35.

[0033] Among them, the side frame bar 21 is provided with a storage groove 22 on the side adjacent to the fixed slot 27, and a support rod 23 is provided inside the storage groove 22. The setting of the storage groove 22 makes it easy to store the support rod 23 during storage and transportation, thereby reducing the storage volume.

[0034] Among them, one end of the support rod 23 is hinged to the storage slot 22, and a buckle slot 24 is provided at the end of the storage slot 22 away from the hinge of the support rod 23. Through the setting of the buckle slot 24, it is convenient to buckle one end of the support rod 23 when in use, so that the support rod 23 can provide support to hold up the screen assembly 1, making it convenient to screen the sand.

[0035] Among them, snap blocks are provided on both sides of one end of the support rod 23 facing the snap groove 24, and the snap blocks are snap-connected with the storage groove 22. Through the setting of the snap blocks, the support rod 23 can be snap-connected and fixed inside the storage groove 22 during storage and transportation, thereby preventing the support rod 23 from loosening during storage and transportation.

[0036] Among them, pull ropes 13 are fixedly installed at both ends of the screening net 11, and both ends of the pull ropes 13 are fixedly connected to the fixed cuttings 12. Through the setting of the pull ropes 13, the pull ropes 13 can be tightened when the fixed cuttings 12 tighten the screening net 11, so that the pull ropes 13 tighten the two ends of the screening net 11, providing longitudinal tension, which is convenient for screening sand.

[0037] Among them, the side frame bars 21 and the end frame bars 31 are both made of aluminum alloy material, and the end frame bar 31 is wrapped with an anti-slip layer on the side away from the screening net 11. The material of the anti-slip layer is rubber material. Since the side frame bars 21 and the end frame bars 31 are both made of aluminum alloy material, it is convenient to make the side frame bars 21 and the end frame bars 31 have low density and high strength, convenient transportation and storage, and conducive to improving service life. The setting of the anti-slip layer makes it easy to keep the device stable during use.

[0038] Specifically, the working principle of the sand screening device for construction projects is as follows: when in use, the setting of the screening net 11 facilitates the screening of sand particles and determines the screening accuracy; the setting of the fixed insert 12 facilitates the side frame assembly 2 to fix the screening net 11; the fixed insert 12 is inserted into the fixed slot 27, which facilitates the side frame bar 21 to fix and limit the fixed insert 12; the setting of the screw hole 26 facilitates the use of the screw rod 35 to fix the side frame bar 21 with the end frame bar 31; the second inclined surface 32 is fitted with the first inclined surface 25, which facilitates the locking of the screw rod 35 and the screw hole 26. During the process of tightening the two side frame bars 21, the two side frame bars 21 can be moved away from each other, so that the side frame bars 21 can tighten the screening net 11, which is convenient for the screening net 11 to screen the sand. The setting of the screw groove 33 makes it easy for the screw rod 35 to pass through the end frame bar 31, and the screw rod 35 can be allowed to slide along the screw groove 33 during the process of locking the screw rod 35 with the screw hole 26. The screw rod 35 is threadedly connected with the screw hole 26, which makes it easy to lock and fix the end frame assembly 3 and the side frame assembly 2 to form a frame structure to fix the screen assembly 1, facilitate the installation, disassembly and replacement of the screen assembly 1, and can be disassembled during transportation and storage. The storage volume is reduced, which is convenient for transportation and storage. The screening mesh 11 can be wound around the outside of the fixed insert 12 for storage. The setting of the gasket 34 is convenient for dispersing pressure and preventing loosening. The setting of the screw head groove 36 is convenient for accommodating the hexagonal head of the screw rod 35, which is beneficial for protecting the end of the screw rod 35. The setting of the storage groove 22 is convenient for storing the support rod 23 during storage and transportation, reducing the storage volume. The setting of the buckle groove 24 is convenient for buckling one end of the support rod 23 when in use, so that the support rod 23 can provide support to hold up the screen assembly 1, which is convenient for screening sand In particular, by setting the snap block, the support rod 23 can be snapped and fixed inside the storage slot 22 during storage and transportation, so as to avoid the support rod 23 from loosening during storage and transportation. By setting the pull rope 13, the pull rope 13 can be tightened when the fixed insert 12 tightens the screening net 11, so that the pull rope 13 tightens the two ends of the screening net 11, providing longitudinal tension, which is convenient for screening sand. The side frame bars 21 and the end frame bars 31 are made of aluminum alloy, so that the side frame bars 21 and the end frame bars 31 have low density and high strength, which is convenient for transportation and storage. The setting of the anti-slip layer makes it easy to keep the device stable during use.

[0039] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A sand screening device for construction engineering, characterized in that: The invention comprises a screen assembly (1), side frame assemblies (2) are provided on both sides of the screen assembly (1), and end frame assemblies (3) are provided at both ends of the screen assembly (1), the screen assembly (1) comprises a screen mesh (11), fixed inserts (12) are fixedly installed on both sides of the screen mesh (11), the side frame assembly (2) comprises a side frame bar (21), a fixed slot (27) is provided on one side of the side frame bar (21), the fixed insert (12) is inserted into the fixed slot (27), and the side frame bar ( 21) are provided with a first inclined surface (25) at both ends, a screw hole (26) is provided in the middle of the first inclined surface (25), the end frame assembly (3) includes an end frame bar (31), a second inclined surface (32) is provided at both ends of the end frame bar (31), the second inclined surface (32) is fitted with the first inclined surface (25), a screw groove (33) is provided at both ends of the end frame bar (31), a screw rod (35) is inserted into the screw groove (33), and the screw rod (35) is threadedly connected to the screw hole (26).

2. A construction engineering sand screening device according to claim 1, characterized in that: A washer (34) is sleeved on the outside of the screw rod (35), a hexagonal head is provided at one end of the screw rod (35) away from the side frame bar (21), and the washer (34) is arranged between the hexagonal head of the screw rod (35) and the end frame bar (31).

3. A construction engineering sand screening device according to claim 2, characterized in that: The side surfaces of both ends of the end frame strip (31) are provided with screw head grooves (36), and the screw head grooves (36) are arranged outside the hexagonal head of the screw rod (35).

4. A construction engineering sand screening device according to claim 1, characterized in that: The side frame bar (21) is provided with a fixing slot (27) and a side adjacent to the side thereof is provided with a receiving slot (22), and a support rod (23) is provided inside the receiving slot (22).

5. A construction engineering sand screening device according to claim 4, characterized in that: One end of the support rod (23) is hinged to the receiving slot (22), and a buckle slot (24) is provided at one end of the receiving slot (22) away from the hinged end of the support rod (23).

6. A construction engineering sand screening device according to claim 5, characterized in that: Buckle blocks are provided on both sides of one end of the support rod (23) facing the buckle slot (24), and the buckle blocks are engaged and connected with the receiving slot (22).

7. A construction engineering sand screening device according to claim 1, characterized in that: Drawstrings (13) are fixedly installed at both ends of the screening net (11), and both ends of the drawstrings (13) are fixedly connected to the fixed inserts (12).

8. A construction engineering sand screening device according to claim 1, characterized in that: The side frame strips (21) and the end frame strips (31) are both made of aluminum alloy. The side of the end frame strips (31) away from the screening mesh (11) is wrapped with an anti-slip layer, and the material of the anti-slip layer is a rubber material.

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