Multi-stage screening equipment for constructional engineering
By introducing driving components, cams and reset mechanisms into the multi-stage screening equipment for construction projects, the screening network is driven to shake, and the problem that existing equipment cannot effectively screen multi-stage screening is solved, and efficient sand screening and quality improvement is achieved.
Patent Information
- Application Number
- CN202420418410.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-05
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-05
AI Technical Summary
Existing multi-stage screening equipment for construction projects cannot effectively perform multi-stage screening and directional discharge of impurities and large-grain sand and gravel in the sand, affecting the quality of the sand.
By installing driving components, cams and reset mechanisms in the screening equipment, the screening net is driven to circumferentially shaking along the screening box to achieve rapid screening, and the multi-stage screening function is realized by setting up different number of screening nets.
Fast and efficient screening work is achieved, the screening effect is improved, and the sand quality is significantly improved through the multi-stage screening function.
Smart Images

Figure CN222551328U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of screening equipment, and particularly relates to multi-stage screening equipment for construction engineering. Background Art
[0002] Building construction refers to the production activities during the implementation stage of engineering construction. It is the construction process of various types of buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place where construction work takes place is called a building construction site or construction site.
[0003] However, the existing multi-stage screening equipment for construction projects is not convenient for multi-stage screening of impurities and large-grained sand and gravel in the sand and directional discharge during use, and cannot achieve the multi-stage screening function, which affects the quality of the sand. Utility Model Content
[0004] In view of this, the utility model provides a multi-stage screening equipment for construction projects. The starting driving component drives the cam to rotate through the rotating shaft, and the cam cooperates with the reset mechanism to drive the screening net to reciprocate and shake along the screening box, thereby realizing rapid screening and improving the screening effect. Different numbers of screening nets are set according to needs to realize multi-stage screening function.
[0005] The technical solution is as follows: A multi-stage screening equipment for construction projects includes a screening box, a screening net is slidably installed on the screening box, the screening net is fixedly arranged at the discharge end, a first opening is opened on the screening box, and the discharge end moves through the first opening, a cam is rotatably installed on the screening box, and a driving component is detachably installed on the screening box, the driving component is connected to the cam through a rotating shaft, the cam corresponds to the screening net, and the starting driving component drives the cam to rotate through the rotating shaft, a reset mechanism is arranged between the screening net and the screening box, and the screening net is driven to reciprocate and shake along the screening box through the cooperation of the cam and the reset mechanism.
[0006] During use of the above technical solution: the driving component is started to drive the cam to rotate through the rotating shaft, and the cam cooperates with the reset mechanism to drive the screening net to reciprocate and shake along the screening box, thereby realizing rapid screening and improving the screening effect. Different numbers of screening nets are set according to needs to realize multi-stage screening function.
[0007] Preferably, a sliding groove is provided on the screening box, a sliding block is fixedly provided on the screening net, and the sliding block is slidably installed in the sliding groove.
[0008] Preferably, a mounting hole is provided on the screening box, and the rotating shaft is rotatably mounted in the mounting hole.
[0009] Preferably, a material guide frame is provided on the screening net, and the material guide frame and the screening net are parallel to each other.
[0010] Preferably, the reset mechanism comprises an elastic component installed between the screening box and the screening net.
[0011] Preferably, there are multiple elastic components, and the multiple elastic components are linearly and evenly distributed along the screening net.
[0012] Preferably, the reset mechanism further comprises a guide tube fixedly mounted on the screening box, a guide rod is slidably mounted in the guide tube, the guide tube and the guide rod are connected via an elastic component, and the guide rod is fixedly connected to the screening net.
[0013] Preferably, the screening net, the discharge end, the material guide frame and the sliding block constitute a primary screening mechanism, and the primary screening mechanism is fixedly connected to a secondary screening mechanism via a connecting plate, and the secondary screening mechanism has the same structure as the primary screening mechanism.
[0014] Preferably, a cam groove is fixedly provided on the connecting plate, and the cam is movably installed in the cam groove.
[0015] Preferably, an inclined bottom plate is fixedly provided on the screening box, and a second opening is reserved between the inclined bottom plate and the screening box.
[0016] After adopting the above technical solution, the beneficial effects of the utility model are:
[0017] The starting driving component drives the cam to rotate through the rotating shaft, and the cam cooperates with the reset mechanism to drive the screening net to reciprocate and shake along the screening box, thereby achieving rapid screening and improving the screening effect. Different numbers of screening nets can be set according to needs to achieve multi-stage screening function. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0019] Figure 1 It is a top view of the utility model;
[0020] Figure 2 For this utility model Figure 1 Sectional view at AA in the middle;
[0021] Figure 3 It is a three-dimensional diagram of the screening box of the utility model;
[0022] Figure 4 It is a schematic diagram of the installation of the primary screening mechanism and the secondary screening mechanism of the utility model;
[0023] Figure 5 It is a three-dimensional diagram of the primary screening mechanism of the utility model;
[0024] Figure 6 It is a top view of the primary screening mechanism of the utility model;
[0025] Figure 7 For this utility model Figure 6 Sectional view at the middle BB;
[0026] Figure 8 For this utility model Figure 7 A partial enlarged view of middle C;
[0027] In the figure, 1, screening box; 2, first opening; 3, sliding groove; 4, mounting hole; 5, inclined bottom plate; 6, second opening; 7, screening net; 8, baffle; 9, discharge end; 10, sliding block; 11, guide frame; 12, connecting plate; 13, cam groove; 14, reset mechanism; 1401, guide tube; 1402, guide rod; 1403, piston; 1404, elastic component; 15, rotating shaft; 16, cam; 17, driving component; 18, secondary screening mechanism; DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example
[0029] like Figures 1 to 8As shown, a multi-stage screening equipment for construction engineering comprises a screening box 1, a screening net 7 is slidably installed in the screening box 1, the screening net 7 is fixedly arranged on the discharge end 9, a first opening 2 is opened on the screening box 1, the discharge end 9 moves through the first opening 2, a cam 16 is rotatably installed on the screening box 1, a driving component 17 is detachably installed on the screening box 1, the driving component 17 is transmission-connected with the cam 16 through a rotating shaft 15, the cam 16 corresponds to the screening net 7, the driving component 17 is started to drive the cam 16 to rotate through the rotating shaft 15, a reset mechanism 14 is arranged between the screening net 7 and the screening box 1, and the screening net 7 is driven to reciprocate and shake along the screening box 1 through the cooperation of the cam 16 and the reset mechanism 14.
[0030] The screening box 1 is provided with a sliding groove 3 , and the screening net 7 is fixedly provided with a sliding block 10 , which is slidably installed in the sliding groove 3 .
[0031] The screening box 1 is provided with a mounting hole 4, the rotating shaft 15 is rotatably mounted in the mounting hole 4, the driving component 17 is a motor, the motor is detachably mounted on the screening box 1 by bolts and nuts, and the output end of the motor is fixedly connected to the rotating shaft 15;
[0032] A material guiding frame 11 is disposed on the screening net 7 , and the material guiding frame 11 and the screening net 7 are parallel to each other.
[0033] The reset mechanism 14 comprises an elastic component 1404 installed between the screening box 1 and the screening net 7, and the elastic component 1404 is a reset spring;
[0034] There are multiple elastic components 1404 , and the multiple elastic components 1404 are linearly and evenly distributed along the screening net 7 .
[0035] The reset mechanism 14 also includes a guide tube 1401 fixedly mounted on the screening box 1 , a guide rod 1402 is slidably mounted in the guide tube 1401 , the guide tube 1401 and the guide rod 1402 are connected via an elastic component 1404 , and the guide rod 1402 is fixedly connected to the screening net 7 .
[0036] The screening net 7, the discharge end 9, the guide frame 11 and the sliding block 10 form a primary screening mechanism, and the primary screening mechanism is fixedly connected to a secondary screening mechanism 18 via a connecting plate 12. The secondary screening mechanism 18 has the same structure as the primary screening mechanism.
[0037] A cam groove 13 is fixedly provided on the connecting plate 12 , and the cam 16 is movably installed in the cam groove 13 .
[0038] An inclined bottom plate 5 is fixedly provided on the screening box 1 , and a second opening 6 is reserved between the inclined bottom plate 5 and the screening box 1 .
[0039] Specifically: a baffle 8 is fixedly provided on the screening net 7, and the baffle 8 prevents the sand and gravel on the screening net 7 from falling through the side of the screening net 7 during the screening process;
[0040] The working principle of the utility model is as follows: the driving component 17 is started to drive the cam 16 to rotate through the rotating shaft 15, and the cam 16 rotates along the cam groove 13. The cam 16 drives the screening net 7 to move through the connecting plate 12, and the sand and gravel are screened by the screening net 7. The impurities and larger particles on the screening net 7 slide along the screening net 7 to the discharging end 9, and are discharged from the screening box 1 through the discharging end 9. The screened sand passes through the screening net 7 and falls into the guide frame 11. The sand is guided by the guide frame 11 and falls on the screening net 7 of the secondary screening mechanism 18 under the action of gravity, and multi-stage screening is performed, and the screened sand of different particle sizes is classified and stored.
[0041] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.
Claims
1. A multi-stage screening device for construction engineering, comprising a screening box (1), characterized in that: A screening net (7) is slidably mounted in the screening box (1), the screening net (7) is fixedly mounted on the discharge end (9), the screening box (1) is provided with a first opening (2), the discharge end (9) movably passes through the first opening (2), a cam (16) is rotatably mounted on the screening box (1), a driving component (17) is detachably mounted on the screening box (1), the driving component (17) is transmission-connected to the cam (16) via a rotating shaft (15), the cam (16) corresponds to the screening net (7), and when the driving component (17) is started, the cam (16) is driven to rotate via the rotating shaft (15), a reset mechanism (14) is arranged between the screening net (7) and the screening box (1), and the screening net (7) is driven to perform a reciprocating cyclic swing along the screening box (1) through the cooperation of the cam (16) and the reset mechanism (14).
2. A multi-stage screening device for construction engineering according to claim 1, characterized in that: The screening box (1) is provided with a sliding groove (3), and the screening net (7) is fixedly provided with a sliding block (10), and the sliding block (10) is slidably installed in the sliding groove (3).
3. A multi-stage screening device for construction engineering according to claim 2, characterized in that: The screening box (1) is provided with a mounting hole (4), and the rotating shaft (15) is rotatably mounted in the mounting hole (4).
4. A multi-stage screening device for construction engineering according to claim 3, characterized in that: A material guide frame (11) is provided on the screening net (7), and the material guide frame (11) and the screening net (7) are parallel to each other.
5. The multi-stage screening equipment for construction engineering according to claim 4, characterized in that: The reset mechanism (14) comprises an elastic component (1404) installed between the screening box (1) and the screening net (7).
6. A multi-stage screening device for construction engineering according to claim 5, characterized in that: There are a plurality of elastic components (1404), and the plurality of elastic components (1404) are linearly and evenly distributed along the screening net (7).
7. A multi-stage screening device for construction engineering according to claim 6, characterized in that: The reset mechanism (14) further comprises a guide tube (1401) fixedly mounted on the screening box (1), a guide rod (1402) being slidably mounted in the guide tube (1401), the guide tube (1401) and the guide rod (1402) being connected via an elastic component (1404), and the guide rod (1402) being fixedly connected to the screening net (7).
8. The multi-stage screening equipment for construction engineering according to claim 7, characterized in that: The screening net (7), the material discharging end (9), the material guide frame (11) and the sliding block (10) form a primary screening mechanism, and the primary screening mechanism is fixedly connected to a secondary screening mechanism (18) via a connecting plate (12), and the secondary screening mechanism (18) has the same structure as the primary screening mechanism.
9. The multi-stage screening equipment for construction engineering according to claim 8, characterized in that: A cam groove (13) is fixedly provided on the connecting plate (12), and the cam (16) is movably installed in the cam groove (13).
10. The multi-stage screening equipment for construction engineering according to claim 1, characterized in that: An inclined bottom plate (5) is fixedly arranged on the screening box (1), and a second opening (6) is reserved between the inclined bottom plate (5) and the screening box (1).