Detachable large aggregate screening device

By designing a detachable large-scale aggregate screening device, which adopts a support frame and adjustable screening mesh structure, the problems of complex structure and inconvenient transportation of existing devices are solved, realizing rapid screening and efficient installation of aggregates, and is suitable for water conservancy and hydropower projects.

CN223571226UActive Publication Date: 2025-11-21POWERCHINA BEIJING ENG CORP
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Patent Information

Application Number
CN202423010534.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-21
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing aggregate screening devices are complex in structure, costly, and inconvenient to install and transport, making it difficult to meet the needs of rapid screening of large aggregates in water conservancy and hydropower projects.

Method used

A detachable large aggregate screening device was designed, which adopts a combination structure of support frame, support base, support rod, screening screen and aggregate collection base. The support frame is composed of horizontal and vertical square steel tubes, the screening screen is made of ribbed steel bars woven in a cross pattern, the screen hole diameter is adjustable, and the aggregate collection base is movable, which is convenient for installation and transportation.

Benefits of technology

It enables rapid and efficient screening of aggregates, simplifies the installation process, reduces transportation costs, and improves project efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a detachable large aggregate screening device. The detachable large aggregate screening device comprises a supporting frame body, a support, a supporting rod, a screening net and an aggregate collecting base. Wherein the supporting rod comprises a short supporting rod and a long supporting rod; the supports are welded to the four corners of the supporting frame body respectively, and the supports are provided with inserting holes matched with the supporting rods. The long supporting rods are respectively inserted into the left upper support and the right upper support; the short supporting rods are respectively inserted into the supports at the left lower part and the right lower part; the supporting frame body is obliquely supported on the ground through the supporting rods; the screening net is fixedly mounted on the surface of the supporting frame body; and the aggregate collecting base is placed below the supporting frame body. According to the detachable large aggregate screening device, aggregate screening can be easily and conveniently achieved, the design of a detachable structure, a split structure and the like is adopted, installation and transportation are convenient, and the detachable large aggregate screening device has important engineering application value.
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Description

TECHNICAL FIELD

[0001] The utility model relates to screening equipment technical field, concretely relates to a detachable large -scale aggregate screening device. BACKGROUND

[0002] In water conservancy and hydropower engineering, hydraulic concrete is mainly divided into hydraulic mass concrete, hydraulic structure concrete and hydraulic special concrete. In hydraulic concrete, aggregate is one of the main components, and the aggregate accounts for more than 3 / 4 of its total volume. The gradation of the aggregate has a great influence on the performance of hydraulic asphalt concrete. According to the size of the maximum particle size of the aggregate, hydraulic concrete can be divided into first, second, third and fourth gradations. The first gradation aggregate has a maximum particle size of 20mm, and only has small stones as a kind of coarse aggregate. The second gradation aggregate has a maximum particle size of 40mm, and has small stones and medium stones as two kinds of aggregate. The third gradation aggregate has a maximum particle size of 80mm, and has small stones, medium stones and large stones as three kinds of coarse aggregate. The fourth gradation aggregate has a maximum particle size of 150mm, and has small stones, medium stones, large stones and extra-large stones as four kinds of coarse aggregate. Hydraulic mass concrete has a large demand for aggregate, and rapid screening of different gradations of coarse aggregate can accelerate the progress of the project and shorten the construction period.

[0003] The existing aggregate screening device has a complex structure, high cost, and is inconvenient to install and transport. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model provides a detachable large -scale aggregate screening device, which can effectively solve the above problems.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a detachable large -scale aggregate screening device, which comprises a support frame body (1), a support (2), a support rod (3), a screening net (4) and an aggregate collecting base (5), wherein the support rod (3) comprises a short support rod (3-1) and a long support rod (3-2).

[0007] The four corners of the support frame body (1) are respectively welded with the support (2), and the support (2) has a plug hole matched with the support rod (3); in the upper left and upper right supports (2), the long support rod (3-2) is inserted respectively; in the lower left and lower right supports (2), the short support rod (3-1) is inserted respectively; the support frame body (1) is inclinedly supported on the ground through the support rods (3).

[0008] The surface of the support frame body (1) is fixedly installed with the screening net (4); and the lower side of the support frame body (1) is provided with the aggregate collecting base (5).

[0009] Preferably, the support frame body (1) comprises horizontal square tubes (1-1) and vertical square tubes (1-2).

[0010] The horizontal square tubes (1-1) are arranged in parallel at intervals; a plurality of vertical square tubes (1-2) are arranged in parallel at intervals below each horizontal square tube (1-1), and each horizontal square tube (1-1) and each vertical square tube (1-2) are welded at a position where they contact each other.

[0011] Preferably, the horizontal square tubes (1-1) and the vertical square tubes (1-2) have a size of 120mm*120mm.

[0012] Preferably, the short support rods (3-1) have a length of 200mm, and the long support rods (3-2) have a length of 2000mm.

[0013] Preferably, the screening net (4) has a ribbed steel bar cross-weaving structure, and the transverse steel bars are above the longitudinal steel bars.

[0014] Preferably, the steel bars of the screening net (4) are φ12mm ribbed steel bars.

[0015] Preferably, a plurality of screening nets (4) are arranged, and each screening net (4) has a different mesh diameter.

[0016] Preferably, four screening nets (4) are arranged, and the mesh diameters of the four screening nets (4) are 120mm, 80mm, 40mm and 20mm respectively.

[0017] Preferably, the aggregate collecting base (5) comprises a right side baffle (5-1), a bottom plate (5-2), a rear side baffle (5-3), a left side baffle (5-4) and a roller (5-5).

[0018] The right side, the rear side and the left side of the bottom plate (5-2) are respectively provided with the right side baffle (5-1), the rear side baffle (5-3) and the left side baffle (5-4); and the two sides of the bottom of the bottom plate (5-2) are respectively provided with a row of rollers (5-5).

[0019] Preferably, the material of the aggregate collecting base (5) is iron sheet.

[0020] The detachable large aggregate screening device has the following advantages.

[0021] The detachable large aggregate screening device can simply and conveniently realize aggregate screening, and has important engineering application value due to the detachable structure and split structure. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the top view of the support frame body of the detachable large aggregate screening device of the utility model;

[0023] Figure 2 It is the side view of the detachable large aggregate screening device of the utility model;

[0024] Figure 3 It is the structure diagram of the support rod of the utility model;

[0025] Figure 4 It is the top view of the screening net of the detachable large aggregate screening device of the utility model;

[0026] Figure 5 It is the top view of the detachable large aggregate screening device of the utility model;

[0027] Figure 6 It is the perspective view of the aggregate collecting device of the detachable large aggregate screening device of the utility model.

[0028] Among them:

[0029] 1, support frame body; 2, support; 3, support rod; 4, screening net; 5, aggregate collecting base; 1-1, horizontal square tube steel; 1-2, vertical square tube steel; 3-1, short support rod; 3-2, long support rod; 5-1, right side baffle; 5-2, bottom plate; 5-3, rear side baffle; 5-4, left side baffle; 5-5, roller. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clearly understood, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0031] The utility model provides a detachable large aggregate screening device, can simply and conveniently realize to aggregate screening, and, adopt detachable structure and split structure etc. Design, convenient installation and transportation, have important engineering application value.

[0032] Refer to Figures 1-6 The utility model provides a detachable large aggregate screening device, including support frame body 1, support 2, support rod 3, screening net 4 and aggregate collecting base 5, wherein, support rod 3 includes short support rod 3-1 and long support rod 3-2;

[0033] As Figure 1As shown in the drawings, the support frame body 1 comprises horizontal square tube steels 1-1 and vertical square tube steels 1-2; the horizontal square tube steels 1-1 are arranged in parallel at intervals; below each of the horizontal square tube steels 1-1, the vertical square tube steels 1-2 are arranged in parallel at intervals, and each of the horizontal square tube steels 1-1 and each of the vertical square tube steels 1-2 are welded at the position of contact and intersection.

[0034] As shown in the drawings, Figure 2 and Figure 3 The four corners of the support frame body 1 are respectively welded with the supports 2, and the supports 2 have insertion holes matched with the support rods 3; in the upper left and upper right supports 2, the long support rods 3-2 are inserted respectively; in the lower left and lower right supports 2, the short support rods 3-1 are inserted respectively; the support frame body 1 is supported on the ground by the support rods 3.

[0035] As an embodiment, the horizontal square tube steels 1-1 and the vertical square tube steels 1-2 have a size of 120mm*120mm. The length of the short support rod 3-1 is 200mm; the length of the long support rod 3-2 is 2000mm.

[0036] The surface of the support frame body 1 is fixedly installed with the screening nets 4; as an embodiment, as shown in the drawings, Figure 4 and Figure 5 The screening net 4 is a ribbed steel bar cross-weaving structure, and the transverse steel bars are above the longitudinal steel bars. The steel bars of the screening net 4 are φ12mm ribbed steel bars. The screening net 4 is configured with multiple screening nets 4, and each of the screening nets 4 has a different mesh diameter. For example, the screening net 4 is configured with four screening nets 4, and the mesh diameters of the four screening nets 4 are 120mm, 80mm, 40mm and 20mm respectively.

[0037] The aggregate collecting base 5 is placed below the support frame body 1. The material of the aggregate collecting base 5 is iron sheet. As shown in the drawings, Figure 6 The aggregate collecting base 5 comprises right side baffles 5-1, a bottom plate 5-2, rear side baffles 5-3, left side baffles 5-4 and rollers 5-5; the right side, the rear side and the left side of the bottom plate 5-2 are respectively provided with the right side baffles 5-1, the rear side baffles 5-3 and the left side baffles 5-4; and the two sides of the bottom of the bottom plate 5-2 are respectively welded with a row of the rollers 5-5.

[0038] The utility model discloses a large -scale aggregate screening device of simple structure, convenient operation, can dismantle.

[0039] The utility model discloses can carry out quick, efficient aggregate screening, improve work efficiency.

[0040] An embodiment of a detachable large aggregate screening device is introduced below.

[0041] The detachable large aggregate screening device provided in the embodiment comprises four groups of aggregate screens with screen holes of 120mm, 80mm, 40mm and 20mm.

[0042] The detachable large aggregate screening device comprises a support frame body 1, a screening net 4 and an aggregate collecting base 5. The support frame body 1 is welded by 5 horizontal square tubes 1-1 in horizontal direction and 5 vertical square tubes 1-2 in vertical direction. One support 2 is welded at each corner of the support frame body 1. One support rod 3 is inserted into each of the four supports 2, wherein two short support rods 3-1 with a length of 200mm and two long support rods 3-2 with a length of 2000mm. Figure 5 The screening net 4 is woven by cross-woven ribbed bars, and the holes are 120*120mm square holes.

[0043] The aggregate collecting base 5 comprises a bottom plate 5-2, a right side baffle 5-1, a rear side baffle 5-3 and a left side baffle 5-4. Two rows of rollers 5-5 are welded to the bottom plate 5-2.

[0044] The specific parameters are as follows:

[0045] The size of the square tube steel of the support frame body 1 is 120*120mm. The ribbed bar of the screening net 4 is φ12mm. The material of the aggregate collecting base 5 is iron sheet. The screening net 4 is woven by cross-woven ribbed bars, and the horizontal ribbed bars are on the top. The size of the square tube steel of the support frame body support is 150*150mm. The support rod 3 is a circular steel tube with a diameter of 130mm, which can be inserted into the support frame body support for convenient disassembly and transportation.

[0046] The other three groups of aggregate screens are similar to the 120mm screen. Meanwhile, a weighing device of a shovel truck can be used, which can display the shovel number of the shovel truck and the weight of one shovel of aggregate.

[0047] The detachable large aggregate screening device provided by the utility model has the advantages of convenient disassembly and transportation, convenient use, high efficiency, low cost and the like.

[0048] Step 1, install the screening device near the aggregate yard, install the screening devices with different sizes, and then arrange them in sequence.

[0049] Step 2, place the aggregate collecting base 5 under the corresponding aggregate screen.

[0050] Step 3, use the forklift with weighing device to shovel a shovel of aggregate from the stockpile and record the weight of the aggregate, pour the aggregate from the top of the largest size aggregate screen, pick up the aggregate remaining on the aggregate screen and put it into the aggregate collection device in front of the aggregate screen.

[0051] Step 4, pull out the aggregate collection base under the graded aggregate screen and shovel the aggregate in the device with the forklift and weigh it.

[0052] Step 5, put the shovelled and weighed aggregate into the next level of the aggregate screen and let it fall freely. Repeat steps 3 and 4.

[0053] Step 6, place the sieved aggregate of each level in a pile. Calculate the yield of each level of aggregate.

[0054] The utility model provides a detachable large aggregate screening device, be applicable to water conservancy and hydropower, large building etc. Aggregate screening technical field of project, especially the construction of mass concrete in water conservancy and hydropower engineering, can quickly screen the aggregate of different particle sizes in the construction process, improve the efficiency, it is a kind of aggregate screening device with simple structure and convenient operation.

[0055] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model.

Claims

1. A demountable large aggregate screening apparatus, characterised in that, Support frame body (1), support (2), support rod (3), screen mesh (4) and aggregate collection base (5) are included;Wherein, the support rod (3) includes short support rod (3-1) and long support rod (3-2); The support (2) is welded to the four corners of the support frame body (1), and the support (2) has a matching socket with the support rod (3);The long support rod (3-2) is inserted into the upper left and right support (2);The short support rod (3-1) is inserted into the lower left and right support (2);The support frame body (1) is supported on the ground by each support rod (3); The surface of the support frame body (1) is fixedly installed with the screen mesh (4), and the lower side of the support frame body (1) is provided with the aggregate collection base (5).

2. A dismountable large aggregate screening device according to claim 1, characterized in that The support frame body (1) includes horizontal square tube steel (1-1) and vertical square tube steel (1-2); A plurality of horizontal square tube steels (1-1) are arranged in parallel at intervals, a plurality of vertical square tube steels (1-2) are arranged in parallel at intervals below each horizontal square tube steel (1-1), and each horizontal square tube steel (1-1) and each vertical square tube steel (1-2) are welded at the contact intersection position.

3. A dismountable large aggregate screening device according to claim 2, characterized in that The size of the horizontal square tube steel (1-1) and the vertical square tube steel (1-2) is 120mm*120mm.

4. A portable large aggregate screening apparatus as claimed in claim 1, wherein, The length of the short support rod (3-1) is 200mm, and the length of the long support rod (3-2) is 2000mm.

5. A portable large aggregate screening apparatus as claimed in claim 1, wherein, The screen mesh (4) is a ribbed steel cross-weaving structure, and the transverse steel is above the longitudinal steel.

6. A dismountable large aggregate screening device according to claim 5, characterized in that The steel of the screen mesh (4) is φ12mm ribbed steel.

7. A portable large aggregate screening apparatus as claimed in claim 1, wherein, A plurality of screen meshes (4) are arranged, and each screen mesh (4) has a different mesh diameter.

8. A dismountable large aggregate screening device according to claim 7, characterized in that Four screen meshes (4) are arranged, and the mesh diameters of the four screen meshes (4) are 120mm, 80mm, 40mm and 20mm respectively.

9. A portable large aggregate screening apparatus as claimed in claim 1, wherein, The aggregate collection base (5) includes right side baffle (5-1), bottom plate (5-2), rear side baffle (5-3), left side baffle (5-4) and roller (5-5); The right side, rear side and left side of the bottom plate (5-2) are respectively provided with the right side baffle (5-1), the rear side baffle (5-3) and the left side baffle (5-4);The two sides of the bottom of the bottom plate (5-2) are respectively welded with a row of rollers (5-5).

10. A portable large aggregate screening apparatus as claimed in claim 1, wherein, The material of the aggregate collection base (5) is iron sheet.