Rock block screening device
By designing a block stone screening device including screening structure and legs, the problems of slow progress, high cost and difficult to control the traditional block stone selection are solved, and rapid selection and efficient construction of block stones are achieved.
Patent Information
- Application Number
- CN202420544776.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-20
AI Technical Summary
The traditional block stone selection method is slow, has high cost, and is difficult to control particle size quality.
A block stone screening device is designed, including a screening structure and a leg. The main support rod and the partition rod are arranged in parallel within the screening structure to form a screen hole, and the leg is equipped with a partition plate to separate the slag.
It realizes the rapid and convenient selection of block stones, improves the particle size pass rate and construction efficiency, and reduces construction costs.
Smart Images
Figure CN222587179U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of building construction, in particular to a block stone screening device. Background Art
[0002] Traditionally, block stone selection is generally carried out by excavators at the waste dump. The following disadvantages exist in the use of excavators to select blocks of stone at the waste dump: 1) The progress of block stone selection is slow, and the excavator must be used to select each block of stone, and the stone must be transported and loaded, which results in high construction equipment costs; 2) The particle size of the blocks selected by the excavator depends on manual visual inspection, and the quality is difficult to control. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a block stone screening device which has a simple structure, is convenient and quick in selecting blocks of stone, and can improve the block stone particle size qualification rate and improve the construction efficiency.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] A block stone screening device comprises a screening structure and a plurality of legs installed under the screening structure, wherein: the screening structure comprises a frame, a plurality of main support rods are arranged in parallel in the frame, a plurality of partition rods are arranged on the plurality of main support rods, the main support rods and the partition rods are arranged at a certain angle so that a plurality of sieve holes for stone debris to pass through are formed between the support rods and the partition rods; the legs are divided into at least two groups, a first group of legs is vertically installed at the front end of the screening structure, and a second group of legs is vertically installed at the rear end of the screening structure, and the height of the first group of legs is greater than that of the second group of legs, so that the screening structure is installed obliquely on the legs, and a baffle plate is provided at the bottom of the second group of legs to block stone debris from falling through the screen.
[0006] The utility model is only composed of a screening structure and supporting legs, and the overall structure is simple. Only the blocks of stone need to be poured onto the screening structure, and qualified blocks of stone can slide from the screening structure to the rear end of the screening structure, and the slag can fall from the screening holes of the screening structure, so that the blocks of stone can be conveniently and quickly selected, which not only improves the construction efficiency, but also because the size of the screening holes of the screening structure is smaller than the specifications of the selected blocks of stone, the unqualified slag can be sieved through the screening structure, so that the particle size qualification rate of the selected blocks of stone is high. At the same time, a baffle plate which can block the slag that falls from the sieve is provided at the bottom of the second group of supporting legs, so as to avoid the mixing of the screened blocks of stone and the slag that falls from the sieve, and to facilitate the use of a loader to clean the slag from under the screening structure, which also further improves the construction efficiency.
[0007] Preferably, baffles are provided on both sides of the screening structure to prevent stones from sliding down from both sides of the screening structure.
[0008] Preferably, the supporting legs include a supporting steel plate, a steel pad and a supporting steel pipe. The supporting steel plate is triangular and is connected to the supporting steel pipe via the steel pad. During installation, the supporting steel pipe is installed vertically and the supporting steel plate is installed below the screening structure.
[0009] Preferably, it also includes a foundation, and the legs are installed on the foundation to adapt to installation and use on the non-hardened ground of the waste dump.
[0010] Preferably, the foundation is a concrete foundation. When the supporting legs are connected to the foundation, a base connecting steel plate is horizontally laid on the foundation, and the base connecting steel plate is connected to the concrete foundation via fixing bolts. The bottom of the supporting legs is directly fixed to the base connecting steel plate, and a plurality of supporting leg diagonal bracing steel plates are installed between the supporting legs and the base connecting steel plate.
[0011] Preferably, the inclination angle of the screening structure is 55-75°, so that the screened stones can slide down along the screening structure.
[0012] When the utility model is used, the excavated original slag is poured onto the screening structure, and the slag that does not meet the design requirements can be screened out according to the aperture size of the screen, and the screened stones roll down to the front of the screening structure through the inclined screen. The dump truck is parked in front of the screening structure and can directly enter the car body, which facilitates the loading of the screened stones; at the same time, the baffle plate on the upper part of the screening structure can prevent the screened stones from splashing, and the baffle plate arranged at the lower part of the front of the screening structure can separate the screened stones and the screened slag, and the loader can directly shovel and clean the slag under the screening structure.
[0013] The block stone screening device of the utility model has a simple structure, and the block stone selection is convenient and fast, which reduces the use of special block stone loading equipment, improves the construction efficiency, saves the construction cost, and increases the qualified rate of block stone selection. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] 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 some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 It is a side structural schematic diagram of the block stone screening device of the utility model.
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the block stone screening device of the utility model.
[0017] Figure 3 yes Figure 1 Enlarged view of point A in the middle.
[0018] Figure 4 yes Figure 1 Enlarged view of point B in the middle.
[0019] Figure 5 yes Figure 1 Enlarged view of point C in the middle.
[0020] The symbols in the figure represent:
[0021] 1. Screening structure; 11. Frame; 12. Support rod; 13. Partition rod; 2. Baffle plate; 3. Leg; 31. Support steel plate; 32. Steel pad; 33. Support steel pipe; 4. Baffle plate; 5. Foundation; 51. Leg diagonal bracing steel plate; 52. Base connecting steel plate; 53. Fixing bolts; 54. Concrete foundation. DETAILED DESCRIPTION
[0022] The present invention is further described below in conjunction with specific preferred embodiments, but the protection scope of the present invention is not limited thereby.
[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] See also Figure 1 to Figure 2 The block stone screening device of the utility model comprises a screening structure 1, a plurality of legs 3 and a plurality of foundations 5, wherein the screening structure 1 is arranged on the top of the legs 3, and the legs 3 are vertically arranged on the upper part of the foundation 5. The screening structure 1 is provided with baffles 2 on both sides.
[0026] The plurality of legs 3 are divided into at least two groups, the first group of legs is vertically mounted at the front end of the screening structure 1, the second group of legs is vertically mounted at the rear end of the screening structure 1, and the height of the first group of legs is greater than the height of the second group of legs, so that the screening structure 1 is tiltedly mounted on the legs 3 at a certain inclination angle (the inclination angle is 60° in this embodiment) to ensure that the screened blocks can roll freely along the screening structure 1, and the slag is screened to the bottom of the screening structure 1. The bottom of the second group of legs 3 is also provided with a baffle plate 4 that can block the slag from being screened. The baffle plate 4 is made of 3mm thick steel plate and is welded to the second group of legs 3. In this way, in the process of screening blocks, the screened blocks and the slag that is screened can be effectively separated, and it is convenient for the loader to clean the slag, reduce the mixing of slag and blocks, improve the slag cleaning efficiency, and improve the block stone qualification rate.
[0027] When in use, the excavated original slag is dumped onto the screening structure 1. According to the size of the sieve holes of the screening structure 1, the slag that does not meet the design requirements can be screened out through the screening structure 1, and the screened stones roll down to the rear of the screening structure 1 through the inclined screen of the screening structure 1. The dump truck is parked behind the screening structure 1, and the screened stones can be directly slid into the car body; at the same time, the baffle plates 2 on both sides of the screening structure 1 can prevent the screened stones from splashing from both sides, and the baffle plates 4 arranged at the lower rear part of the screening structure 1 can separate the screened stones and the screened slag, and the loader can directly shovel and clean the bottom slag under the screening structure 1.
[0028] Furthermore, if Figure 3 As shown, in this embodiment, the screening structure 1 includes a frame 11, a main support rod 12 and a partition rod 13. A plurality of main support rods 12 are embedded in parallel with the frame 11 and welded to the frame 11. A plurality of partition rods 13 are welded to the top of the main support rods 12. The plurality of main support rods 12 and the plurality of partition rods 13 are arranged at a certain angle, so that the support rods 12 and the partition rods 13 are separated to form a plurality of sieve holes for the slag to pass through. The frame 11 is made of 25# channel steel, the main support rods 12 are made of 20# channel steel, and the partition rods 13 are made of C28 steel bars. In this way, the main body of the screening structure 1 is conveniently connected reliably to ensure that the slag will not damage the block stone screening equipment during the dumping process. At the same time, the screen size can be freely assembled according to the block stone particle size required by the design to ensure that the screened block stone meets the requirements.
[0029] Furthermore, if Figure 1 to Figure 2As shown, in this embodiment, the baffle plate 2 is vertically installed on both sides of the screening structure 1 and welded. The baffle plate 2 is made of 3mm thick steel plate, and stiffening ribs are added to the side of the baffle plate 2 to ensure that the baffle plate 2 will not be damaged when the slag is dumped. At the same time, the setting of the baffle plate 2 can prevent the slag from splashing during the dumping process, preventing the construction personnel or construction tools and equipment from being injured, ensuring safety, and the screened blocks can be rolled down along the rear of the screening structure 1 into the dump truck, reducing the construction equipment for loading blocks and reducing construction costs.
[0030] Furthermore, if Figure 4 As shown, in this embodiment, the leg 3 includes a supporting steel plate 31, a steel pad 32 and a supporting steel pipe 33, the supporting steel plate 31 and the steel pad 32 are vertically welded and connected, abutted against the top of the supporting steel pipe 33, and connected to the screening structure 1. The supporting steel plate 31 and the steel pad 32 are made of 8mm thick steel plate, and the supporting steel pipe is a φ219×8mm steel pipe, which can ensure that the lower leg 3 is reliably connected to the upper screening structure 1.
[0031] Furthermore, if Figure 5 As shown, in this embodiment, the foundation 5 is a concrete foundation 54. When the support leg 3 is connected to the foundation 5, a base connecting steel plate 52 is horizontally laid on the foundation 5, and the base connecting steel plate 52 is connected to the concrete foundation 54 via fixing bolts 53, and the bottom of the supporting steel pipe 33 of the support leg 3 is directly fixedly connected to the base connecting steel plate 52, and a plurality of support leg diagonal bracing steel plates 51 are installed between the supporting steel pipe 33 and the base connecting steel plate 52. The support leg diagonal bracing steel plates 51 and the base connecting steel plates 52 are both made of 8mm thick steel plates, the fixing bolts 53 are M16 chemical bolts, and the concrete foundation 54 is C30 concrete. In this way, the supporting steel pipe 33 can be firmly connected to the concrete foundation 54, ensuring that the entire screening structure 1 is firm, stable and safe in construction during the block stone screening process.
[0032] The above is only a specific implementation scheme of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the field can make many possible changes and modifications to the technical scheme of the utility model by using the technical content disclosed above without departing from the scope of the technical scheme of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical scheme of the utility model shall fall within the protection scope of the technical scheme of the utility model.
Claims
1. A rock screening device, comprising a screening structure (1) and a plurality of legs (3) mounted below the screening structure, characterized in that: The screening structure (1) comprises a frame (11), wherein a plurality of main support rods (12) are arranged in parallel in the frame, and a plurality of partition rods are arranged on the plurality of main support rods, wherein the main support rods and the partition rods are arranged at a certain angle, so that a plurality of screening holes for selected blocks of stone to pass through are formed between the support rods and the partition rods; the supporting legs are divided into at least two groups, wherein the first group of supporting legs is vertically mounted at the front end of the screening structure, and the second group of supporting legs is vertically mounted at the rear end of the screening structure, and the height of the first group of supporting legs is greater than the height of the second group of supporting legs, so that the screening structure is obliquely mounted on the supporting legs, and the bottom of the second group of supporting legs is provided with a baffle plate (4) capable of blocking the falling stone debris from the screening.
2. The block stone screening device according to claim 1, characterized in that: Baffle plates (2) are provided on both sides of the screening structure (1).
3. The block stone screening device according to claim 1, characterized in that: The support leg (3) comprises a supporting steel plate (31), a steel pad (32) and a supporting steel pipe (33); the supporting steel plate (31) is triangular in shape, and the supporting steel plate (31) is connected to the supporting steel pipe via the steel pad (32); during installation, the supporting steel pipe (33) is installed vertically, and the supporting steel plate is installed below the screening structure (1).
4. The block stone screening device according to claim 1, characterized in that: It also includes a foundation (5) on which the legs are mounted.
5. The block stone screening device according to claim 4, characterized in that: The foundation is a concrete foundation (54). When the supporting legs are connected to the foundation, a base connecting steel plate (52) is horizontally laid on the foundation (5), and the base connecting steel plate (52) is connected to the concrete foundation (54) via fixing bolts (53). The bottom of the supporting legs is directly fixedly connected to the base connecting steel plate (52), and a plurality of supporting leg diagonal bracing steel plates (51) are installed between the supporting legs and the base connecting steel plate (52).
6. The block stone screening device according to claim 1, characterized in that: The inclination angle of the screening structure is 55-75°.