Flat wave type adjustable vibrating screen

Abstract

The utility model discloses a flat wave type adjustable vibrating screen, and relates to the technical field of vibrating screens, a baffle plate is welded at the top end of a movable sliding rod, the outer side of the movable sliding rod is connected to one end of a pulling lug in a sliding manner, a fixed spring is connected between the baffle plate and the adjacent pulling lug, and a fixed rod is welded at the other end of the pulling lug; fixing holes are formed in the fixing frame, the fixing rods penetrate through the fixing frame and are embedded into the fixing holes, longitudinal ribs are welded to the bottoms of the wave crests and the bottoms of the wave troughs of the wave net, and transverse ribs are evenly welded between every two adjacent longitudinal ribs. The fixing rods, the fixing holes, the movable sliding rods and the fixing springs are matched, the wave nets with different mesh numbers can be replaced according to the finally needed filtering effect, filtering of different levels is achieved, the application range is wider, the longitudinal ribs and the transverse ribs can support the wave crests and the wave troughs, and the service life of the wave nets is longer.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibrating screen technology field, concretely is a flat plate wave formula adjustable type vibrating screen. BACKGROUND

[0002] The drilling fluid vibrating screen has high vibration intensity, large screening area, adjustable screen box angle, compact structure and excellent performance, and is widely applied to the fields of mud purification treatment such as petroleum drilling, non-excavation horizontal directional crossing, coalbed gas drilling, shale gas drilling and river channel silt environmental protection.

[0003] In the Chinese patent with the application number 202320414389.9 and the name "a flat plate wave formula vibrating screen", the patent can control the size of the screened particles according to the screening requirements by controlling the overlapping area of the screen hole one and the screen hole two by controlling the use position of the adjusting screen, but the drilling fluid vibrating screen often needs to be stacked and matched with multiple screens to realize different levels of filtering effect, so that the final filtering effect is better, the vibrating screen can control the size of the screened particles, but can only realize single-layer filtering, the filtering effect is poor, and the impact force received by the wave peak and the wave valley of the existing vibrating net is large, the pressure resistance is poor, the wave peak and the wave valley are easy to be damaged during filtering, and the service life is short. UTILITY MODEL CONTENTS

[0004] The utility model provides a flat plate wave formula adjustable type vibrating screen can effectively solve above -mentioned background art the vibrating screen can control the size of the screened particles, but only can realize single -layer filtering, filtering effect is poor, and the impact force received by the wave peak and the wave valley of existing vibrating net is large, the pressure resistance is poor, the wave peak and the wave valley are easy to be damaged during filtering, and the service life is short's problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a flat plate wave formula adjustable type vibrating screen, including fixed frame, the fixed frame inside fixed has wave net, the wave net both ends are welded with fixed strip, the fixed strip one side evenly interval is provided with fixed hole, the fixed frame both ends evenly interval welding has mobile slide rod, the mobile slide rod top end is welded with baffle, the mobile slide rod outside sliding connection in one end of pull ear, the baffle with adjacent pull ear between connection has fixed spring, the pull ear other end welding has fixed rod, the fixed rod passes through fixed frame and is embedded in the fixed hole inside;

[0006] The wave net wave peak bottom and wave valley bottom are welded with longitudinal rib, and adjacent longitudinal ribs are evenly welded with transverse rib.

[0007] According to the above technical scheme, the connecting ears are welded between the two ends of the fixed frame and the adjacent two mobile slide rods, and the connecting bolts are connected between the two fixed frames through the adjacent two connecting ears.

[0008] According to the above technical solution, there is a clearance fit between the fixing hole and the fixing rod.

[0009] According to the above technical solution, the fixed frame is provided with connecting grooves on both sides, and a connecting strip is slidably connected inside the connecting grooves. A baffle plate is welded to one side of the connecting strip.

[0010] According to the above technical solution, the two ends of the connecting strip are welded with male limiting ears, and the two ends of the fixing frame are welded with female limiting ears near the male limiting ears. A fixing bolt connects two adjacent female limiting ears and male limiting ears.

[0011] According to the above technical solution, the longitudinal cross-sectional shape of the connecting groove is "T" shaped, and both the inner side of the connecting groove and the outer side of the connecting strip are smooth surfaces.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. The system is equipped with a fixed frame, corrugated mesh, fixing strips, fixing holes, movable slide rods, baffles, pull ears, fixing rods, longitudinal ribs, transverse ribs, connecting ears, connecting bolts, and connecting springs. The two fixed frames are connected vertically using the connecting bolts and connecting ears. The mesh size of the corrugated mesh inside the fixed frame increases sequentially from top to bottom. During filtration, the drilling fluid passes through the corrugated mesh from top to bottom, achieving multi-layer filtration with good filtration effect. At the same time, the fixed rods, fixing holes, movable slide rods, and fixing springs can be used to replace corrugated meshes of different mesh sizes according to the final required filtration effect, achieving different levels of filtration and a wider range of applications. Furthermore, the longitudinal and transverse ribs can support the crests and troughs of the corrugated mesh, improving its compressive strength and extending its service life.

[0014] 2. It is equipped with a connecting chute, connecting strip, baffle plate, limiting female lug, limiting male lug, and fixing bolt. Impurities inside the drilling fluid are discharged from both ends of the corrugated mesh trough. The discharged impurities fall onto the top of the baffle plate, which can transfer the screened impurities and prevent them from falling into the bottom of the corrugated mesh. It is also connected to the fixing frame through the connecting chute, connecting strip, limiting female lug, limiting male lug, and fixing bolt, making the installation of the baffle plate more convenient. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0016] In the attached diagram:

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2This is a schematic diagram of the installation structure of the connecting ear of this utility model;

[0019] Figure 3 This utility model comes from Figure 2 Enlarged view of region B;

[0020] Figure 4 This is a schematic diagram of the installation structure of the longitudinal ribs of this utility model;

[0021] Figure 5 This is a schematic diagram of the installation structure of the baffle plate of this utility model;

[0022] Figure 6 This utility model comes from Figure 5 Enlarged view of region A;

[0023] The following are the labels in the diagram: 1. Fixed frame; 2. Corrugated mesh; 3. Fixed strip; 4. Fixed hole; 5. Moving slide bar; 6. Baffle; 7. Pulling ear; 8. Fixed rod; 9. Longitudinal rib; 10. Transverse rib; 11. Connecting ear; 12. Connecting bolt; 13. Connecting groove; 14. Connecting strip; 15. Baffle plate; 16. Limiting female ear; 17. Limiting male ear; 18. Fixed bolt; 19. Fixed spring. Detailed Implementation

[0024] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0025] Example: Figures 1-6 As shown, this utility model provides a technical solution for a flat, wave-type adjustable vibrating screen, including a fixed frame 1, a wave mesh 2 fixed inside the fixed frame 1, fixed strips 3 welded to both ends of the wave mesh 2, fixed holes 4 evenly spaced on one side of the fixed strips 3, movable slide rods 5 evenly spaced at both ends of the fixed frame 1, baffles 6 welded to the top of the movable slide rods 5, the outer side of the movable slide rods 5 slidably connected to one end of a pulling ear 7, a fixed spring 19 connected between the baffles 6 and the adjacent pulling ear 7, a fixed rod 8 welded to the other end of the pulling ear 7, the fixed rod 8 passing through the fixed frame 1 and embedded in the fixed hole 4, the fixed hole 4 and the fixed rod 8 are fitted with a gap, and the fixed rod 8 can stably fix the fixed strips 3;

[0026] The bottom of the wave crest and the bottom of the wave trough of the wave net 2 are welded with longitudinal ribs 9. Transverse ribs 10 are evenly welded between each pair of adjacent longitudinal ribs 9. Connecting ears 11 are welded between the two ends of the fixed frame 1 between two adjacent movable slide rods 5. Connecting bolts 12 are connected between the two fixed frames 1 through the two adjacent connecting ears 11. The two fixed frames 1 can be connected by connecting bolts 12.

[0027] The connecting groove 13 is internally slidably connected with a connecting strip 14, the longitudinal section shape of the connecting groove 13 is a "T" type, the connecting groove 13 can limit and fix the connecting strip 14, the inner side of the connecting groove 13 and the outer side of the connecting strip 14 are smooth surfaces, the friction resistance between the connecting groove 13 and the connecting strip 14 is reduced, the connecting strip 14 is welded with a material blocking plate 15 on one side, the material blocking plate 15 can transfer the screened impurities, avoids the impurities from falling into the bottom of the wave net 2, the connecting strip 14 is welded with a limiting male ear 17 at both ends, the limiting female ear 16 is welded at the position close to the limiting male ear 17 at both ends of the fixed frame 1, the limiting female ear 16 and the limiting male ear 17 are connected with a fixing bolt 18, and the fixing bolt 18 can firmly fix the connecting strip 14 and the fixed frame 1.

[0028] The working principle and use process of the utility model are as follows: two fixed frames 1 are connected in a top-down mode by the connecting bolt 12 and the connecting ear 11, the mesh number of the wave net 2 in the fixed frame 1 increases from top to bottom, when filtering, the drilling fluid passes through the wave net 2 from top to bottom, realizing filtering of different levels, the connecting bolt 12 and the connecting ear 11 are convenient and fast for connecting the fixed frame 1 in a top-down mode, and multiple fixed frames 1 can be connected from top to bottom according to the required filtering effect, realizing multi-layer filtering and good filtering effect, meanwhile, the pulling ear 7 is moved along the moving slide rod 5, the fixing spring 19 is compressed, the fixed rod 8 is moved out of the fixed hole 4 and then is rotated to prevent the fixed rod 8 from being embedded into the fixed hole 4, at this time, the fixed strip 3 is separated from the fixed frame 1, the old wave net 2 is removed, the required wave net 2 is placed into the fixed frame 1, the fixed rod 8 is rotated to be aligned with the fixed hole 4, the fixing spring 19 rebounds, the required wave net 2 is fixed, realizing filtering of different levels and wider application range.

[0029] The wave peak bottom and the wave valley bottom of the wave net 2 are welded with longitudinal ribs 9, the adjacent longitudinal ribs 9 are evenly welded with transverse ribs 10, the longitudinal ribs 9 and the transverse ribs 10 can support the wave peak and the wave valley, improve the compression resistance of the wave net 2, and make the service life of the wave net 2 longer.

[0030] When screening, the impurities in the drilling fluid are discharged from the wave valley ends of the wave net 2, the discharged impurities fall on the top of the material blocking plate 15, the material blocking plate 15 can transfer the screened impurities, avoids the impurities from falling into the bottom of the wave net 2, and the material blocking plate 15 is connected with the fixed frame 1 through the connecting groove 13, the connecting strip 14, the limiting female ear 16, the limiting male ear 17 and the fixing bolt 18, so that the installation of the material blocking plate 15 is more convenient.

[0031] Finally, it should be noted that: the above is only the preferred examples of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A flat, wave-shaped, adjustable vibrating screen, comprising a fixed frame (1), characterized in that, A wave mesh (2) is fixed inside the fixed frame (1). Fixed strips (3) are welded to both ends of the wave mesh (2). Fixed holes (4) are evenly spaced on one side of the fixed strips (3). Moving slide rods (5) are evenly spaced at both ends of the fixed frame (1). A baffle (6) is welded to the top of the moving slide rod (5). The outside of the moving slide rod (5) is slidably connected to one end of the pull ear (7). A fixed spring (19) is connected between the baffle (6) and the adjacent pull ear (7). A fixed rod (8) is welded to the other end of the pull ear (7). The fixed rod (8) passes through the fixed frame (1) and is embedded in the fixed hole (4). The wave mesh (2) has longitudinal ribs (9) welded to the bottom of the crests and troughs, and transverse ribs (10) are evenly welded between each pair of adjacent longitudinal ribs (9).

2. The adjustable vibrating screen of flat wave type according to claim 1, characterized in that, The fixed frame (1) has connecting ears (11) welded at both ends between two adjacent movable slide rods (5), and the two fixed frames (1) are connected by connecting bolts (12) through two adjacent connecting ears (11).

3. The adjustable vibrating screen of flat wave type according to claim 1, characterized in that, The fixing hole (4) and the fixing rod (8) are fitted with a clearance.

4. The adjustable vibrating screen of flat wave type according to claim 1, characterized in that, The fixed frame (1) has connecting grooves (13) on both sides, and a connecting strip (14) is slidably connected inside the connecting groove (13). A baffle plate (15) is welded to one side of the connecting strip (14).

5. The adjustable vibrating screen of flat wave type according to claim 4, characterized in that, The connecting strip (14) has male limiting ears (17) welded at both ends, and female limiting ears (16) welded at both ends of the fixing frame (1) near the male limiting ears (17). A fixing bolt (18) connects two adjacent female limiting ears (16) and male limiting ears (17).

6. The adjustable vibrating screen of flat wave type according to claim 4, characterized in that, The longitudinal section of the connecting groove (13) is "T" shaped, and the inner side of the connecting groove (13) and the outer side of the connecting strip (14) are both smooth surfaces.

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