Sand screening device for constructional engineering
By using a double-sided screening system and a sand-bearing soft belt design, the problems of low efficiency and easy mixing of fine sand in existing fixed sand screening equipment have been solved, thus achieving efficient sand screening operations.
Patent Information
- Application Number
- CN202520362406.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing fixed sand screening equipment has only one screening surface, resulting in low screening efficiency, and the screened fine sand is easily mixed with debris on the ground.
Design a double-sided sand screening device for construction engineering. It adopts two rotatable sand screening mechanisms and uses a sand-receiving soft belt to receive the screened fine sand to avoid mixing with impurities on the ground. Rollers are used to facilitate the movement and opening of the sand screening mechanism.
It improves screening efficiency, avoids mixing of fine sand with ground impurities, and enhances the efficiency and effectiveness of sand screening operations.
Smart Images
Figure CN223832775U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a sand screening device for building engineering. Background Technology
[0002] Sand screening equipment is widely used in construction, road construction, and other fields to separate sand particles according to different particle sizes to meet engineering requirements. Traditional sand screening equipment is mainly divided into vibrating screens, drum screens, and fixed screens.
[0003] Fixed screens rely on the weight of the sand grains to pass through the screen, resulting in a simple structure and low cost.
[0004] However, existing fixed screens, considering the material handling issue, typically only have one screening surface, resulting in low screening efficiency.
[0005] Secondly, the sifted fine sand is easy to mix with ground particles.
[0006] Based on the above problems, we designed a sand screening device for construction projects that can perform double-sided screening, improve screening efficiency, and avoid mixing with debris on the ground. Utility Model Content
[0007] The technical problem to be solved by this utility model is to provide a sand screening device for construction projects that can perform double-sided screening and improve screening efficiency.
[0008] To solve the above problems, the present invention adopts the following technical solution:
[0009] A sand screening device for construction engineering includes two sand screening mechanisms, the tops of the two sand screening mechanisms are rotatably connected, and a sand-bearing soft belt is provided between the two sand screening mechanisms, the sand-bearing soft belt limiting the opening angle of the sand screening mechanisms.
[0010] Preferably, the sand screening structure includes two parallel side plates, a bottom plate welded to the lower end of the two side plates, the bottom plate and the side plates forming a box for storing impurity particles, a screen plate welded between the two side plates, a connecting rod installed between the two side plates, a collar fixed at both ends of the sand-bearing soft belt, the connecting rod passing through the collar, a pin installed between the two sand screening mechanisms, and a bearing fitted between the pin and the side plate.
[0011] Preferably, a shaft is welded to the outside of the side plate, and a roller is fitted through the shaft. A bearing is fitted between the roller and the shaft, and the bottom of the box is lifted off the ground with the support of the roller.
[0012] Preferably, a transition plate is welded to the bottom of the sieve plate, through which large impurity particles separated by the sieve plate are transferred into the box body; the connecting rod is located below the transition plate.
[0013] Preferably, the angle between the two sand screening mechanisms after they are opened is less than 75°.
[0014] Preferably, an opening is provided on the side of the formed box body, and a cover plate is rotatably disposed in the opening. The upper end of the cover plate is rotatably connected to the opening, and a pin is fitted between the cover plate and the box body. When the pin is inserted, the cover plate closes the opening.
[0015] Preferably, a through groove is provided in the middle of the sand-receiving soft strip, and a sand-receiving bag is fixed in the through groove.
[0016] The beneficial effects of this utility model are:
[0017] This device employs two rotatable sand screening mechanisms that can open at a certain angle, allowing for simultaneous screening from both sides. The screened sand is collected by a sand-receiving belt to prevent it from falling to the ground. The sand-receiving belt is tensioned after the screening mechanisms on both sides are opened. While screening sand, sand can be shoveled from the side of the sand-receiving belt without affecting the screening operation on both sides, thus improving screening efficiency and preventing sand from mixing with impurities on the ground. It is suitable for widespread use. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is an unfolded view of the present invention;
[0020] Figure 2 This is a diagram showing the folding mechanism of this utility model;
[0021] Figure 3 A three-dimensional diagram of the sand screening mechanism;
[0022] Figure 4 This is a schematic diagram of a collar. Detailed Implementation
[0023] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.
[0024] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.
[0025] In the description of this utility model, it should be understood that the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0026] Furthermore, in the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "set," "socket," "connect," "through," and "plug-in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0028] See Figure 1 and Figure 2 The sand screening device for construction engineering shown includes two sand screening mechanisms 1, which are rotatably connected at their tops. A sand-bearing soft belt 2 is provided between the two sand screening mechanisms 1, and the sand-bearing soft belt 2 limits the opening angle of the sand screening mechanisms 1.
[0029] In the above technical solution, sand is screened by a sand screening mechanism. During the sand screening process, the screened fine sand is received by the sand-receiving soft belt 2 to prevent the fine sand from being remixed with the particles on the ground.
[0030] The impurities that are screened out are stored through the sand screening structure 1 to avoid re-mixing with the screened fine sand.
[0031] Figure 2 This is a schematic diagram of the two sand screening mechanisms 1 being joined together.
[0032] See Figure 1 , Figure 3 and Figure 4 As shown, the sand screening structure 1 includes two parallel side plates 11. A bottom plate 12 is welded to the lower end of the two side plates 11. The bottom plate 12 and the side plates 11 cooperate to form a box 13 for storing impurity particles. A screen plate 14 is welded between the two side plates 11. A connecting rod 15 is installed between the two side plates 11. The two ends of the sand-bearing soft belt 2 are fixed to form a collar 21. The connecting rod 15 passes through the collar 21. A pin 199 is installed between the two sand screening mechanisms 1. A bearing is fitted between the pin 199 and the side plate 11.
[0033] In the above technical solution, the two sand screening mechanisms 1 are rotated and opened along the pin shaft 199.
[0034] Large particles sieved out are stored in the formed box 13.
[0035] See Figure 3 As shown, a shaft is welded to the outside of the side plate 11, and a roller 16 is connected to the shaft. A bearing is connected between the roller 16 and the shaft. With the support of the roller 16, the bottom of the box body 13 is lifted off the ground.
[0036] The above technical solution mainly uses the roller 16 to facilitate the movement of the device, and also to facilitate the opening of the two sand screening mechanisms 1.
[0037] See Figure 3 As shown, a transition plate 144 is welded to the bottom of the sieve plate 14. Large impurity particles separated by the sieve plate 14 are transferred to the box body via the transition plate 144; the connecting rod 15 is located below the transition plate 144.
[0038] The transition plate 144 is designed to prevent large particles from falling into the sand-bearing soft belt through the gap.
[0039] The angle at which the two sand screening mechanisms are opened is less than 75°.
[0040] See Figure 3 As shown, an opening is provided on the side of the formed box body 13, and a cover plate 133 is rotatably disposed in the opening. The upper end of the cover plate 133 is rotatably connected to the opening. A pin 134 is fitted between the cover plate 133 and the box body 13. When the pin is inserted, the cover plate closes the opening.
[0041] The cover can be opened along the hinge, allowing large impurities screened out to be discharged easily from the opening.
[0042] See Figure 3 As shown, a through groove is provided in the middle of the sand-receiving soft belt 2, and a sand-receiving bag 232 is fixed in the through groove.
[0043] In the above technical solution, the sandbag 232 can hold fine sand.
[0044] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0045] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0046] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0047] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0048] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.
[0049] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A sand screening device for construction engineering, characterized in that: It includes two sand screening mechanisms, the tops of the two sand screening mechanisms are rotatably connected, and a sand-receiving soft belt is provided between the two sand screening mechanisms, the sand-receiving soft belt limiting the opening angle of the sand screening mechanisms.
2. The sand screening device for construction engineering according to claim 1, characterized in that: The sand screening mechanism includes two parallel side plates, with a base plate welded to the lower end of the two side plates. The base plate and the side plates, when fitted together, form a box for storing impurity particles. A screen plate is welded between the two side plates, and a connecting rod is installed between the two side plates. The two ends of the sand-collecting soft belt are fixed to form a collar, through which the connecting rod passes. A pin is installed between the two sand screening mechanisms, and a bearing is fitted between the pin and the side plate.
3. The sand screening device for construction engineering according to claim 2, characterized in that: A shaft is welded to the outside of the side plate, and a roller is connected to the shaft. A bearing is connected between the roller and the shaft, and the bottom of the box is lifted off the ground with the support of the roller.
4. The sand screening device for construction engineering according to claim 3, characterized in that: A transition plate is welded to the bottom of the sieve plate, through which large impurity particles separated by the sieve plate are transferred into the box; the connecting rod is located below the transition plate.
5. The sand screening device for construction engineering according to claim 1, characterized in that: The angle at which the two sand screening mechanisms are opened is less than 75°.
6. The sand screening device for construction engineering according to claim 2, characterized in that: An opening is provided on the side of the formed box body, and a cover plate is rotatably installed in the opening. The upper end of the cover plate is rotatably connected to the opening. A pin is fitted between the cover plate and the box body. When the pin is inserted, the cover plate closes the opening.
7. The sand screening device for construction engineering according to claim 1, characterized in that: A through groove is provided in the middle of the sand-collecting soft belt, and a sand-collecting bag is fixed in the through groove.