Gravel screening device for earth-rock engineering construction
By introducing screening cylinders and vibration components into the sand and gravel screening device for earthwork construction, the problem of sand and gravel screening is solved, rapid screening and convenient replacement of screening plates are achieved, and screening effect and equipment practicality are improved.
Patent Information
- Application Number
- CN202421114984.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-31
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing sand and gravel screening devices for earthwork construction are not easy to perform graded screening during the sand and gravel screening process, resulting in poor screening effect and difficult to replace the screening plate according to actual conditions.
A device including a screening rack, screening cylinder, drive motor, transmission rod, slide chute, secondary screening plate, buffer spring and vibration components is designed. The screening cylinder is driven quickly by the drive motor, and the secondary screening is driven by the servo motor. The plate floats up and down, and uses buffer spring to realize the up and down movement of the screening plate to improve screening efficiency.
It realizes rapid grading and screening of sand and gravel and convenient replacement of screening boards, improving the effectiveness of sand and gravel screening and the practicality of equipment.
Smart Images
Figure CN222267885U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand and gravel screening, in particular to a sand and gravel screening device for earthwork engineering construction. Background Art
[0002] In civil engineering, common earthwork projects include: site leveling, foundation pit (trench) and pipe trench excavation, roadbed excavation, civil air defense project excavation, ground filling, roadbed filling, and in the process of sand and gravel screening by engineering personnel, sand and gravel screening equipment for earthwork construction is often needed.
[0003] A sand and gravel screening device for earthwork engineering construction disclosed in publication number CN217616044U, by setting a collecting device, can effectively reduce the phenomenon of the belt being contaminated with materials during transportation, and reduce the situation of the material contaminated by the belt falling and wasting, thereby improving the overall practicality of the equipment.
[0004] However, this kind of sand and gravel screening device for earthwork engineering construction has the following disadvantages: it is not easy to grade and screen the sand and gravel during the sand and gravel screening process, resulting in poor sand and gravel screening effect, and it is not easy for engineering personnel to replace the screening plate according to actual conditions during the sand and gravel screening process. Utility Model Content
[0005] The technical problem solved by the utility model is to provide a sand and gravel screening device for earthwork engineering construction which has high practicality, can be simply operated and has a relatively simple structure. It solves the problem raised in the above-mentioned background technology that it is difficult to grade and screen the sand and gravel during the sand and gravel screening process, resulting in poor sand and gravel screening effect, and it is difficult for engineering personnel to replace the screening plate according to actual conditions during the sand and gravel screening process.
[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a sand and gravel screening device for earthwork engineering construction, including a screening frame, the inner wall of the screening frame is rotatably connected with a screening drum, one side of the screening drum is fixedly connected to a driving motor through a connecting plate, a transmission rod is fixedly installed on the output end of the driving motor, one end of the transmission rod is fixedly connected to the middle part of the surface of the connecting plate, slide grooves are provided on both sides of the inner wall of the screening frame, a secondary screening plate is slidably connected inside the slide groove, a stabilizing plate is provided near the bottom of the screening plate, a vibration assembly is fixedly connected to the middle part of the top surface of the stabilizing plate, buffer springs are fixedly connected to both sides of the top surface of the stabilizing plate, and the top of the buffer spring is fixedly connected to the bottom of the secondary screening plate.
[0007] Optionally, the vibration assembly includes a servo motor, the output end of the servo motor is fixedly connected to a power rod, one end of the power rod is fixedly connected to a striking block, and one side of the striking block is in conflict with the bottom of the secondary screening plate.
[0008] Optionally, a through groove is provided on the inner bottom wall of the screening rack, and a collecting box is slidably connected to one side of the screening rack.
[0009] Optionally, a handle is fixedly connected to one side of the front of the collection box, and a surface of the handle is provided with an anti-slip film for increasing anti-slip properties.
[0010] Optionally, a square groove is provided on one side of the surface of the screening drum, and a baffle is magnetically connected to the edge of the square groove.
[0011] Optionally, batteries for providing power are arranged on both sides of the screening plate, and a shock-absorbing piston rod for increasing the buffering performance is arranged inside the buffer spring.
[0012] The utility model provides a sand and gravel screening device for earthwork engineering construction, which has the following beneficial effects:
[0013] 1. The sand and gravel screening device for earthwork engineering construction, through the setting of the screening cylinder, the driving motor and the transmission rod, when the engineering personnel screen the sand and gravel, the driving motor power can be turned on, and the transmission rod drives the screening cylinder to rotate rapidly, so that the screening cylinder drives the sand and gravel inside the screening cylinder to rotate rapidly, and then it is convenient for the engineering personnel to quickly screen the sand and gravel.
[0014] 2. The sand and gravel screening device for earthwork engineering construction has a structural design of secondary screening plates, buffer springs and vibration components. When engineering personnel need to further screen sand and gravel, they can turn on the servo motor power supply, and its power rod drives the striking block to continuously rotate and strike the bottom of the secondary screening plate. The secondary screening plate floats up and down along the slide, and then the buffer spring drives the secondary screening plate to move up and down repeatedly, so as to facilitate the staff to further screen sand and gravel. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the split structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the screening cylinder structure of the utility model;
[0018] Figure 4 For this utility model Figure 2 Enlarged structural diagram at A in the middle.
[0019] In the figure: 1. screening frame; 2. screening cylinder; 3. connecting plate; 4. driving motor; 5. transmission rod; 6. secondary screening plate; 7. stabilizing plate; 8. vibration assembly; 81. servo motor; 82. power rod; 83. striking block; 9. buffer spring; 10. collecting box; 11. baffle; 12. battery. DETAILED DESCRIPTION
[0020] 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. Based on the embodiments in 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.
[0021] See also Figures 1 to 4 The utility model provides a technical solution: a sand and gravel screening device for earthwork engineering construction, comprising a screening frame 1, the inner wall of the screening frame 1 is rotatably connected with a screening drum 2, one side of the screening drum 2 is fixedly connected with a driving motor 4 through a connecting piece 3, a transmission rod 5 is fixedly installed at the output end of the driving motor 4, one end of the transmission rod 5 is fixedly connected to the middle part of the surface of the connecting piece 3, a through groove is opened on the inner bottom wall of the screening frame 1, one side of the screening frame 1 is slidably connected with a collection box 10, one side of the front of the collection box 10 is fixedly connected with a handle, and the surface of the handle is provided with an anti-slip film for increasing anti-slip properties;
[0022] The setting of the collecting box 10 and the handle makes it convenient for engineers to collect and screen sand and gravel;
[0023] See also Figure 2 A slide groove is provided on both sides of the inner wall of the screening frame 1, and a secondary screening plate 6 is slidably connected inside the slide groove. A stabilizing plate 7 is provided near the bottom of the secondary screening plate 6. Batteries 12 for providing power are provided on both sides of the screening frame 1, and a shock-absorbing piston rod for increasing the buffering performance is provided inside the buffer spring 9;
[0024] The battery 12 is provided to facilitate the transmission of power to the driving motor 4;
[0025] See also Figure 1 , buffer springs 9 are fixedly connected to both sides of the top surface of the stabilizing plate 7, the top of the buffer spring 9 is fixedly connected to the bottom of the secondary screening plate 6, a square groove is opened on one side of the surface of the screening cylinder 2, and a baffle 11 is magnetically connected to the edge of the square groove;
[0026] The baffle 11 is provided to facilitate the staff to close the screening cylinder 2; Example
[0027] See also Figure 4A vibration assembly 8 is fixedly connected to the middle of the top surface of the stabilizing plate 7, and the vibration assembly 8 includes a servo motor 81, and a power rod 82 is fixedly connected to the output end of the servo motor 81, and a striking block 83 is fixedly connected to one end of the power rod 82, and one side of the striking block 83 conflicts with the bottom of the secondary screening plate 6;
[0028] Through the setting of the vibration component 8, when the engineering personnel need to further screen the sand and gravel, the servo motor 81 power supply can be turned on, and its power rod 82 drives the striking block 83 to continuously rotate and strike the bottom of the secondary screening plate 6, and the secondary screening plate 6 floats up and down along the slide slot, and then the buffer spring 9 drives the secondary screening plate 6 to move up and down repeatedly, so as to facilitate the staff to further screen the sand and gravel.
[0029] In the utility model, the working steps of the device are as follows:
[0030] Step 1: First, the engineer can open the baffle 11 to transport the sand and gravel to be screened into the screening cylinder 2;
[0031] The second step: when the engineering personnel screen the sand and gravel, the power supply of the driving motor 4 can be turned on, and the transmission rod 5 drives the screening drum 2 to rotate rapidly, so that the screening drum 2 drives the sand and gravel inside the screening drum 2 to rotate rapidly, so that the sand and gravel can be screened rapidly;
[0032] The third step: Finally, when the engineering personnel need to further screen the sand and gravel, they can turn on the power of the servo motor 81, and its power rod 82 drives the striking block 83 to continuously rotate and strike the bottom of the secondary screening plate 6, and the secondary screening plate 6 floats up and down along the slide groove, and then the buffer spring 9 drives the secondary screening plate 6 to move up and down repeatedly.
[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;
[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sand and gravel screening device for earthwork engineering construction, comprising a screening frame (1), characterized in that: The inner wall of the screening frame (1) is rotatably connected to a screening cylinder (2), one side of the screening cylinder (2) is fixedly connected to a driving motor (4) via a connecting plate (3), a transmission rod (5) is fixedly installed at the output end of the driving motor (4), one end of the transmission rod (5) is fixedly connected to the middle part of the surface of the connecting plate (3), both sides of the inner wall of the screening frame (1) are provided with sliding grooves, the inside of the sliding grooves is slidably connected to a secondary screening plate (6), a stabilizing plate (7) is arranged near the bottom of the secondary screening plate (6), a vibration assembly (8) is fixedly connected to the middle part of the top surface of the stabilizing plate (7), both sides of the top surface of the stabilizing plate (7) are fixedly connected to buffer springs (9), the top of the buffer spring (9) is fixedly connected to the bottom of the secondary screening plate (6).
2. The sand and gravel screening device for earthwork engineering construction according to claim 1 is characterized in that: The vibration assembly (8) comprises a servo motor (81), the output end of the servo motor (81) is fixedly connected to a power rod (82), one end of the power rod (82) is fixedly connected to a striking block (83), and one side of the striking block (83) is in contact with the bottom of the secondary screening plate (6).
3. The sand and gravel screening device for earthwork engineering construction according to claim 1 is characterized in that: A through groove is provided on the inner bottom wall of the screening frame (1), and a collecting box (10) is slidably connected to one side of the screening frame (1).
4. The sand and gravel screening device for earthwork engineering construction according to claim 3 is characterized by: A handle is fixedly connected to one side of the front face of the collection box (10), and a non-slip film is attached to the surface of the handle to increase the anti-slip property.
5. The sand and gravel screening device for earthwork engineering construction according to claim 1 is characterized in that: A square groove is provided on one side of the surface of the screening cylinder (2), and a baffle (11) is magnetically connected to the edge of the square groove.
6. The sand and gravel screening device for earthwork engineering construction according to claim 1 is characterized by: Storage batteries (12) for providing power are arranged on both sides of the screening frame (1), and a shock-absorbing piston rod for increasing the buffering performance is arranged inside the buffer spring (9).