Novel gravel screening equipment for constructional engineering
By introducing a cleaning mechanism into the sand and gravel screening equipment of construction projects, and using cleaning balls and electric telescopic columns to drive the screen to rotate, the screening efficiency reduction and cleaning difficulties caused by sand and gravel blockage are solved, and a more efficient sand and gravel screening is achieved Separate and clean.
Patent Information
- Application Number
- CN202420877193.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-25
AI Technical Summary
During the screening process of existing construction engineering sand and gravel screening equipment, sand and gravel are prone to block the screening mesh, resulting in a decrease in screening efficiency and difficulty in cleaning up blocked sand and gravel.
A new type of sand and gravel screening equipment for construction projects was designed, and the cleaning mechanism includes cleaning balls, cleaning racks, mobile racks and moving grooves. The screen is driven to rotate through electric telescopic columns and bearings, and the cleaning balls are contacted with the screen surface and clearing blockages. and remove the sand and gravel.
It effectively solves the problem of reducing screening efficiency caused by screen clogging, simplifies the sand and gravel cleaning process, and improves screening efficiency and operation convenience.
Smart Images
Figure CN222132545U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand and gravel screening, in particular to new-type construction engineering sand and gravel screening equipment. Background Art
[0002] The new type of construction engineering sand and gravel screening equipment is an important part of the mineral processing equipment. It is mainly used to classify materials according to particle size. It has the characteristics of simple structure, easy operation and strong processing capacity. It is one of the indispensable equipment in the fields of mining, building materials, chemical industry, etc. The main components of the sand and gravel screening machine include screen, drive device, bracket and vibrator, among which the screen is the core component of the sand and gravel screening machine. It consists of multiple sieve holes with different apertures and is used to classify materials according to particle size.
[0003] At present, the Chinese patent with announcement number CN219273678U discloses a sand and gravel screening equipment for construction engineering, including a screening box main body, a supporting member, a feed hopper, a screen, a guide plate, a large-particle sand and gravel discharge port and a small-particle sand and gravel discharge port. A scraper rod is installed on the inner side of the screen, and a mounting frame is provided at the outer end of the small-particle sand and gravel discharge port. A throwing blade is installed at the inner lower end position of the mounting frame. The supporting member includes a bearing plate, a slide rail is provided on the upper side of the bearing plate, and a slider is provided on the outer side of the slide rail. This utility model stirs the sand and gravel on the upper side of the screen by the scraper rod, which is beneficial to the completeness of screening, adjusts the inclination of the screening box main body by the supporting member, and adapts to the ground with different inclinations, and drives the screening box main body to reciprocate by the supporting member, which speeds up the screening efficiency of the screening box main body and can also throw the exported sand and gravel away from the sand and gravel screening equipment.
[0004] Most of the existing new construction engineering sand and gravel screening equipment moves the sand and gravel to the inside of the screen when screening the sand and gravel, and screens them through the screen. Sand and gravel of different sizes can easily clog the screen, thereby affecting the efficiency of the screen in screening sand and gravel. In addition, it is time-consuming and laborious to clean the sand and gravel that clogs the inside of the screen, and it is not easy to clean. Summary of the invention
[0005] The utility model provides a new type of construction engineering sand and gravel screening equipment, aiming to solve the problem that most of the existing new type of construction engineering sand and gravel screening equipment move the sand and gravel to the inside of the screen when screening the sand and gravel, and screen them through the screen. Sand and gravel of different sizes are easy to clog the screen, thereby affecting the efficiency of the screen for sand and gravel screening, and it is time-consuming and laborious to clean up the sand and gravel that clogs the inside of the screen, and it is difficult to clean.
[0006] The utility model is realized in this way. The novel construction engineering sand and gravel screening equipment comprises a base frame, the top of the base frame is fixedly connected with a screening frame, the bottom of the screening frame is provided with a discharging trough, the front side of the screening frame is fixedly connected with a supporting frame, the front side of the supporting frame is fixedly connected with a feeding frame, a screen is arranged on the right side of the supporting frame, and a cleaning mechanism is arranged on the surface of the screen;
[0007] The cleaning mechanism includes a plurality of cleaning balls, a cleaning frame, a movable frame and a movable groove. The surface of the cleaning ball contacts the surface of the screen. The side of the cleaning ball close to the cleaning frame extends to the inside of the cleaning frame and is rotatably connected to the inside of the cleaning frame. The side of the cleaning frame close to the movable frame contacts the movable frame. The movable groove is opened in the inside of the movable frame.
[0008] In order to facilitate the movement of the movable column, as a preferred new type of construction engineering sand and gravel screening equipment of the utility model, the cleaning frame is fixedly connected with a movable column on one side close to the movable groove, the interior of the movable groove is fixedly connected with a fixed plate, and the surface of the movable column is slidably connected to the interior of the fixed plate.
[0009] In order to achieve the effect of limiting the cleaning frame, as a preferred new type of construction engineering sand and gravel screening equipment of the utility model, the side of the fixed plate away from the movable groove is fixedly connected to a limiting spring, and the side of the limiting spring close to the cleaning frame extends to the interior of the cleaning frame and is fixedly connected to the interior of the cleaning frame.
[0010] In order to achieve the effect of driving the connecting column to move, as a preferred new type of construction engineering sand and gravel screening equipment of the utility model, three electric telescopic columns are fixedly connected to the front side of the support frame, the rear side of the electric telescopic column passes through the support frame and extends to the rear side of the support frame, and the rear side of the electric telescopic column is fixedly connected to the connecting column.
[0011] In order to achieve the effect of driving the connecting plate to move, as a preferred embodiment of the novel construction engineering sand and gravel screening equipment of the utility model, two connecting plates are fixedly connected to the surface of the movable frame, and the interior of the connecting plate is in close contact with the surface of the connecting column.
[0012] In order to achieve the effect of fixing the connecting plate, as a preferred embodiment of the novel construction engineering sand and gravel screening equipment of the utility model, the surface of the connecting column is threadedly connected with two bolts, and the side of the bolts close to the connecting plate is in close contact with the connecting plate.
[0013] In order to facilitate the rotation of the screen, as the preferred new type of construction engineering sand and gravel screening equipment of the utility model, the surface of the screen is rotatably connected to two bearings, the surface of the front bearing is fixedly connected to the rear side of the support frame, and the surface of the rear bearing is fixedly connected to the inside of the screening frame.
[0014] In order to achieve the effect of driving the screen to rotate, as a preferred new type of construction engineering sand and gravel screening equipment of the utility model, the front side of the support frame is fixedly connected with a motor, and the rear side of the motor output shaft passes through the support frame and is fixedly connected to the front side of the screen.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The novel construction engineering sand and gravel screening equipment moves sand and gravel to the inside of the screen through a feeding rack, so that the screen screens the sand and gravel, and then moves the screened sand and gravel to the inside of the screening rack, so as to be moved out through a discharging trough, and then the moving rack drives the cleaning rack to move on the surface of the screen through the moving trough, so that the cleaning rack drives the cleaning balls to contact the surface of the screen, and the surfaces of the cleaning balls can be extended to the inside of the screen, so that the sand and gravel blocked in the screen can be cleaned, and the cleaned sand and gravel can be moved to a suitable position through the screen, thereby solving the problem that most existing novel construction engineering sand and gravel screening equipment move sand and gravel to the inside of the screen and screen through the screen when screening sand and gravel, and sand and gravel of different sizes easily block the screen, thereby affecting the efficiency of the screen for screening sand and gravel, and it is time-consuming and laborious to clean the sand and gravel blocked in the screen, and it is difficult to clean. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is the overall structure diagram of the new type of construction engineering sand and gravel screening equipment of the utility model;
[0018] Figure 2 It is a schematic diagram of the three-dimensional connection between the connecting plate and the mobile frame of the utility model;
[0019] Figure 3 It is a schematic diagram of the three-dimensional connection between the movable column and the fixed plate in the utility model;
[0020] Figure 4 It is a three-dimensional connection schematic diagram of the connecting column and the bolt in the utility model;
[0021] Figure 5 For this utility model Figure 2 A partial enlarged view of point A in the middle.
[0022] In the figure, 1, base frame; 2, screening frame; 3, discharge trough; 4, screen; 5, bearing; 6, feeding frame; 7, motor; 8, connecting plate; 9, cleaning mechanism; 901, cleaning ball; 902, cleaning frame; 903, moving frame; 904, moving trough; 10, electric telescopic column; 11, limit spring; 12, fixed plate; 13, moving column; 14, bolt; 15, connecting column; 16, support frame. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0025] See also Figure 1-5 The utility model provides a technical solution: a new type of construction engineering sand and gravel screening equipment, including a base frame 1, a screening frame 2 is fixedly connected to the top of the base frame 1, a discharging trough 3 is provided at the bottom of the screening frame 2, a support frame 16 is fixedly connected to the front side of the screening frame 2, a feeding frame 6 is fixedly connected to the front side of the support frame 16, a screen 4 is arranged on the right side of the support frame 16, and a cleaning mechanism 9 is arranged on the surface of the screen 4;
[0026] The cleaning mechanism 9 includes a plurality of cleaning balls 901, a cleaning frame 902, a movable frame 903 and a movable groove 904. The surface of the cleaning ball 901 contacts the surface of the screen 4. The side of the cleaning ball 901 close to the cleaning frame 902 extends to the interior of the cleaning frame 902 and is rotatably connected to the interior of the cleaning frame 902. The side of the cleaning frame 902 close to the movable frame 903 contacts the movable frame 903. The movable groove 904 is opened in the interior of the movable frame 903.
[0027] In this embodiment: the sand and gravel are moved to the inside of the screen 4 through the feeding rack 6, so that the screen 4 screens the sand and gravel, and then the screened sand and gravel are moved to the inside of the screening rack 2, and then moved out through the discharge trough 3, and then the moving rack 903 drives the cleaning rack 902 to move on the surface of the screen 4 through the moving trough 904, so that the cleaning rack 902 drives the cleaning ball 901 to contact the surface of the screen 4, and the surface of the cleaning ball 901 can be extended to the inside of the screen 4, so that the sand and gravel blocked in the screen 4 can be cleaned, so that the cleaned sand and gravel can be moved to a suitable position through the screen 4.
[0028] As a technical optimization solution of the utility model, a moving column 13 is fixedly connected to one side of the cleaning frame 902 close to the moving groove 904, a fixed plate 12 is fixedly connected to the inside of the moving groove 904, and the surface of the moving column 13 is slidably connected to the inside of the fixed plate 12.
[0029] In this embodiment, by making the surface of the movable column 13 slidably connected with the inside of the fixed plate 12 , the movable column 13 can be conveniently moved through the fixed plate 12 , thereby achieving the effect of facilitating the movement of the movable column 13 .
[0030] As a technical optimization solution of the utility model, the side of the fixed plate 12 away from the movable groove 904 is fixedly connected to the limit spring 11, and the side of the limit spring 11 close to the cleaning frame 902 extends to the interior of the cleaning frame 902 and is fixedly connected to the interior of the cleaning frame 902.
[0031] In this embodiment, by extending the side of the limit spring 11 close to the cleaning frame 902 to the inside of the cleaning frame 902 and fixedly connected to the inside of the cleaning frame 902, the limit spring 11 can limit the cleaning frame 902, thereby achieving the effect of limiting the cleaning frame 902.
[0032] As a technical optimization solution of the utility model, three electric telescopic columns 10 are fixedly connected to the front side of the support frame 16, the rear side of the electric telescopic column 10 passes through the support frame 16 and extends to the rear side of the support frame 16, and the rear side of the electric telescopic column 10 is fixedly connected to a connecting column 15.
[0033] In this embodiment, by fixedly connecting the front side of the connecting column 15 to the rear side of the electric telescopic column 10 , the electric telescopic column 10 can drive the moving column 13 to move, thereby achieving the effect of driving the connecting column 15 to move.
[0034] As a technical optimization solution of the present invention, two connecting plates 8 are fixedly connected to the surface of the mobile frame 903 , and the interior of the connecting plates 8 is in close contact with the surface of the connecting column 15 .
[0035] In this embodiment, by making the surface of the connecting column 15 closely contact with the inside of the connecting plate 8, the connecting column 15 can drive the connecting plate 8 to move, thereby achieving the effect of driving the connecting plate 8 to move.
[0036] As a technical optimization solution of the utility model, two bolts 14 are threadedly connected to the surface of the connecting column 15 , and the bolts 14 are in close contact with the connecting plate 8 on one side thereof.
[0037] In this embodiment, by making the bolt 14 close to the connecting plate 8 on one side thereof in close contact with the connecting plate 8 , the bolt 14 can fix the connecting plate 8 through the connecting column 15 , thereby achieving the effect of fixing the connecting plate 8 .
[0038] As a technical optimization solution of the utility model, the surface of the screen 4 is rotatably connected to two bearings 5, the surface of the front bearing 5 is fixedly connected to the rear side of the support frame 16, and the surface of the rear bearing 5 is fixedly connected to the inside of the screening frame 2.
[0039] In this embodiment, by rotatably connecting the inner wall of the bearing 5 with the surface of the screen 4 , the screen 4 can be conveniently rotated through the bearing 5 , thereby achieving the effect of facilitating the rotation of the screen 4 .
[0040] As a technical optimization solution of the present invention, the front side of the support frame 16 is fixedly connected to the motor 7 , and the rear side of the output shaft of the motor 7 passes through the support frame 16 and is fixedly connected to the front side of the screen 4 .
[0041] In this embodiment, by fixing the front side of the screen 4 to the rear side of the output shaft slot of the motor 7, the output shaft of the motor 7 can drive the screen 4 to rotate, thereby achieving the effect of driving the screen 4 to rotate.
[0042] Working principle: First, the sand and gravel are moved to the inside of the screen 4 through the feeding rack 6, and the screen 4 is driven to rotate by the output shaft of the motor 7, so that the screen 4 rotates through the bearing 5, thereby achieving the effect of screening the sand and gravel, and then the screened sand and gravel are moved to the inside of the screening rack 2, and then moved out through the discharge trough 3, and then the electric telescopic column 10 drives the connecting column 15 to move, and the connecting column 15 drives the moving rack 903 to move on the surface of the screen 4 through the connecting plate 8, and the moving rack 903 drives the moving column 13 to move through the moving slot 904, so that the cleaning rack 902 is within the limit. Under the action of the positioning spring 11, the cleaning ball 901 is driven to contact the surface of the screen 4, so that the surface of the cleaning ball 901 can be extended to the inside of the screen 4, thereby facilitating the cleaning of the sand and gravel blocked inside the screen 4. This solves the problem that most of the existing new construction engineering sand and gravel screening equipment move the sand and gravel to the inside of the screen 4 when screening the sand and gravel, and screen them through the screen 4. Sand and gravel of different sizes can easily block the screen 4, thereby affecting the efficiency of the screen 4 in screening sand and gravel, and the cleaning of the sand and gravel blocked inside the screen 4 is time-consuming and labor-intensive, and is not easy to clean.
[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel construction engineering sand and gravel screening device, comprising a base frame (1), characterized in that: The top of the bottom frame (1) is fixedly connected to a screening frame (2), the bottom of the screening frame (2) is provided with a discharge trough (3), the front side of the screening frame (2) is fixedly connected to a support frame (16), the front side of the support frame (16) is fixedly connected to a feeding frame (6), a screen (4) is arranged on the right side of the support frame (16), and a cleaning mechanism (9) is arranged on the surface of the screen (4); The cleaning mechanism (9) comprises a plurality of cleaning balls (901), a cleaning frame (902), a movable frame (903) and a movable groove (904); the surface of the cleaning ball (901) contacts the surface of the screen (4); a side of the cleaning ball (901) close to the cleaning frame (902) extends to the inside of the cleaning frame (902) and is rotatably connected to the inside of the cleaning frame (902); a side of the cleaning frame (902) close to the movable frame (903) contacts the movable frame (903); and the movable groove (904) is provided inside the movable frame (903).
2. The new type of construction engineering sand and gravel screening equipment according to claim 1 is characterized by: A moving column (13) is fixedly connected to one side of the cleaning frame (902) close to the moving groove (904); a fixing plate (12) is fixedly connected inside the moving groove (904); and a surface of the moving column (13) is slidably connected to the inside of the fixing plate (12).
3. The new type of construction engineering sand and gravel screening equipment according to claim 2 is characterized by: The side of the fixed plate (12) away from the movable groove (904) is fixedly connected to the limit spring (11), and the side of the limit spring (11) close to the cleaning frame (902) extends to the inside of the cleaning frame (902) and is fixedly connected to the inside of the cleaning frame (902).
4. The new type of construction engineering sand and gravel screening equipment according to claim 1 is characterized by: The front side of the support frame (16) is fixedly connected to three electric telescopic columns (10), the rear side of the electric telescopic columns (10) passes through the support frame (16) and extends to the rear side of the support frame (16), and the rear side of the electric telescopic columns (10) is fixedly connected to a connecting column (15).
5. The new type of construction engineering sand and gravel screening equipment according to claim 1 is characterized by: Two connecting plates (8) are fixedly connected to the surface of the mobile frame (903), and the interior of the connecting plates (8) is in close contact with the surface of the connecting column (15).
6. The new type of construction engineering sand and gravel screening equipment according to claim 4 is characterized by: Two bolts (14) are threadedly connected to the surface of the connecting column (15), and the bolts (14) are in close contact with the connecting plate (8) on one side thereof close to the connecting plate (8).
7. The new type of construction engineering sand and gravel screening equipment according to claim 1 is characterized by: The surface of the screen (4) is rotatably connected to two bearings (5), the surface of the front bearing (5) is fixedly connected to the rear side of the support frame (16), and the surface of the rear bearing (5) is fixedly connected to the inside of the screening frame (2).
8. The new type of construction engineering sand and gravel screening equipment according to claim 1 is characterized by: The front side of the support frame (16) is fixedly connected to a motor (7), and the rear side of an output shaft of the motor (7) passes through the support frame (16) and is fixedly connected to the front side of the screen (4).