Hydraulic driving device for coarse screen

Abstract

The utility model is suitable for the technical field of coarse screen driving, and provides a coarse screen hydraulic driving device which comprises a fixing frame. Two sets of supports are fixed to the bottom of the fixing frame. According to the hydraulic driving device for the coarse screen, the oil pump is started, the oil pump pumps oil in the oil tank and inputs the oil into the oil groove, the oil pressure in the oil groove rises to push the piston disc, and therefore the connecting shaft slides outwards and pushes the supporting rod in an outward sliding mode to change the placing state of the coarse screen body; a connecting rod of the connecting mechanism is inserted into the inner side of a fixing block in a sliding mode, a limiting block is fixed through a screw, through the arrangement, the connecting rod can be conveniently taken down from the inner side of the fixing block, follow-up disassembly and maintenance of the device are facilitated, the fixing block can be vertically limited through a movable roller, and the practicability is high. Through the arrangement, the situation that the thick grid body generates pulling force on the fixing blocks for a long time, and consequently the connecting shafts deform can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of coarse grille driving, in particular to a coarse grille hydraulic driving device. Background Art

[0002] Coarse screens are used to remove coarse suspended solids that may clog pump units and pipeline valves, and ensure the normal operation of subsequent treatment facilities. Coarse screens are composed of one or more sets of parallel metal bars and frames, and are installed obliquely at the inlet channel or the inlet of the water collection well of the water inlet pump station to intercept coarse suspended solids and impurities in sewage. Coarse screens require the use of hydraulic drive devices to realize the opening and closing of valves.

[0003] Currently, coarse grilles are generally driven by motors, which use more transmission parts, thereby increasing the failure rate of the drive device. In addition, most parts are fixedly welded, resulting in the need to replace multiple devices when one part is damaged. This is not only time-consuming and labor-intensive, but also increases the cost of using the coarse grilles. Utility Model Content

[0004] The utility model provides a coarse grille hydraulic driving device, aiming to solve the problems that the existing coarse grille driving device has many and complicated parts, a high failure rate, and is laborious to replace parts.

[0005] The utility model is implemented as follows: a coarse grille hydraulic drive device comprises a fixed frame; two groups of brackets are fixed at the bottom of the fixed frame, a coarse grille body is hingedly installed between the two groups of brackets, an oil groove is opened inside the fixed frame and an oil pump is installed, an oil tank is installed on the top of the fixed frame, the oil tank and the oil pump are connected by an oil pipeline, the output port of the oil pump is connected to the oil groove, a piston disk is slidably embedded in the inside of the oil groove, a connecting shaft is connected to the left side of the piston disk, the connecting shaft is slidably inserted in the oil groove and a connecting mechanism is installed on the left end, a support rod is hinged on the side of the connecting mechanism, and the lower end of the support rod is hinged to the side of the coarse grille body.

[0006] Preferably, the connecting mechanism includes a fixed block, a connecting rod and a limit block. The side of the fixed block is provided with a through groove adapted to the diameter of the connecting rod. The connecting rod and the fixed block are slidably connected. The limit blocks are installed at the left and right ends of the connecting rod. The support rod is hinged to the outside of the two groups of limit blocks. The limit blocks are fixed to the two ends of the connecting rod by screws.

[0007] Preferably, a cylindrical slot matching the diameter of the connecting shaft is opened on the side of the fixing block, a fixing bolt is inserted on the lower side of the fixing block, and the connecting shaft is slidably inserted inside the fixing block and limited by the fixing bolt.

[0008] Preferably, a slide groove is provided on the top of the fixing frame, and a movable roller is slidably embedded in the slide groove. A connecting sleeve is connected to the top of the fixing block, and the connecting sleeve is rotatably sleeved on the outside of the movable roller.

[0009] Preferably, a sealing ring is installed on the outer side of the oil groove, mounting blocks are fixed on the upper, lower, left and right sides of the sealing ring, and threads are formed on the inner side of the mounting blocks.

[0010] Preferably, a cover plate is provided on the lower side of the oil pump, and the cover plate is fixed by screws.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] By starting the oil pump, the oil pump draws the oil in the oil tank and inputs it into the oil groove. The oil pressure in the oil groove increases and pushes the piston plate, so that the connecting shaft slides outward. The connecting shaft slides outward to push the support rod to change the placement state of the coarse grid body, thereby realizing hydraulic opening and closing as well as angle adjustment. The connecting rod of the connecting mechanism is slidably inserted into the inner side of the fixed block, and the limit block is fixed by screws. Through this arrangement, the connecting rod can be easily removed from the inner side of the fixed block, which is convenient for the subsequent disassembly and maintenance of the device. The movable roller can vertically limit the fixed block. Through this arrangement, the coarse grid body can be prevented from exerting tension on the fixed block for a long time, which may cause deformation of the connecting shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the side cross-sectional structure of the connection mechanism of the utility model;

[0015] Figure 3 It is a side view structural diagram of the sealing ring of the utility model;

[0016] In the figure: 1. fixing frame; 2. bracket; 3. coarse grid body; 4. oil tank; 5. oil pump; 6. oil tank; 7. oil pipeline; 8. piston plate; 9. connecting shaft; 10. connecting mechanism; 101. fixing block; 102. connecting rod; 103. limiting block; 11. supporting rod; 12. movable roller; 13. connecting sleeve; 14. sealing ring; 15. mounting block. DETAILED DESCRIPTION

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0018] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0019] The utility model embodiment provides a coarse grid hydraulic drive device, such as Figure 1-3 As shown, it comprises a fixing frame 1, two sets of brackets 2 are fixed at the bottom of the fixing frame 1, a coarse grille body 3 is hingedly installed between the two sets of brackets 2, an oil tank 4 is opened inside the fixing frame 1 and an oil pump 5 is installed, an oil tank 6 is installed on the top of the fixing frame 1, the oil tank 6 and the oil pump 5 are connected through an oil delivery pipe 7, the output port of the oil pump 5 is connected to the oil tank 4, a piston disc 8 is slidably embedded in the oil tank 4, a connecting shaft 9 is connected to the left side of the piston disc 8, and the connecting shaft 9 is slidably inserted in the oil tank 4 and the left side is connected to the piston disc 8. A connecting mechanism 10 is installed at the end, and a support rod 11 is hinged on the side of the connecting mechanism 10. The lower end of the support rod 11 is hinged to the side of the coarse grille body 3. When the device is used, the oil pump 5 can be started, and the oil pump 5 draws the oil in the oil tank 6 and inputs it into the oil groove 4. The oil pressure in the oil groove 4 increases and pushes the piston plate 8, so that the connecting shaft 9 slides outward. The connecting shaft 9 slides outward and pushes the support rod 11 to change the placement state of the coarse grille body 3, thereby realizing hydraulic opening and closing and angle adjustment.

[0020] The connecting mechanism 10 includes a fixed block 101, a connecting rod 102 and a limit block 103. A through groove matching the diameter of the connecting rod 102 is opened on the side of the fixed block 101. The connecting rod 102 and the fixed block 101 are slidably plugged in. The limit blocks 103 are installed at the left and right ends of the connecting rod 102. The support rod 11 is hinged to the outside of the two groups of limit blocks 103. The limit blocks 103 are fixed to the two ends of the connecting rod 102 by screws. By providing the connecting mechanism 10, the connecting rod 102 of the connecting mechanism 10 is slidably plugged in the inner side of the fixed block 101, and the limit blocks 103 are fixed by screws. Through this arrangement, the connecting rod 102 can be easily removed from the inner side of the fixed block 101, which is convenient for the subsequent disassembly and maintenance of the device.

[0021] A cylindrical slot matching the diameter of the connecting shaft 9 is provided on the side of the fixing block 101, a fixing bolt is inserted into the lower side of the fixing block 101, the connecting shaft 9 is slidably inserted into the interior of the fixing block 101 and limited by the fixing bolt, the connecting shaft 9 and the fixing block 101 are fixed by the fixing bolt, and this arrangement makes the connecting shaft 9 and the fixing block 101 detachable, thereby facilitating the replacement of new parts.

[0022] A slide groove is provided on the top of the fixed frame 1, and a movable roller 12 is slidably embedded in the slide groove. A connecting sleeve 13 is connected to the top of the fixed block 101, and the connecting sleeve 13 is rotatably sleeved on the outside of the movable roller 12. By providing the movable roller 12, the movable roller 12 can vertically limit the fixed block 101. This setting can prevent the coarse grid body 3 from exerting tension on the fixed block 101 for a long time, thereby causing deformation of the connecting shaft 9.

[0023] A sealing ring 14 is installed on the outside of the oil groove 4, and mounting blocks 15 are fixed on the top, bottom, left and right of the sealing ring 14. The inner side of the mounting block 15 is provided with a thread. The sealing ring 14 can prevent the hydraulic oil from flowing out of the gap between the oil groove 4 and the connecting shaft 9, thereby sealing it.

[0024] A cover plate is provided on the lower side of the oil pump 5 and is fixed by screws.

[0025] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0026] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0027] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0028] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. Coarse screen hydraulic drive device, characterized in that: The invention comprises a fixing frame (1): two groups of brackets (2) are fixed at the bottom of the fixing frame (1), a coarse grille body (3) is hingedly installed between the two groups of brackets (2), an oil groove (4) is opened inside the fixing frame (1) and an oil pump (5) is installed, an oil tank (6) is installed on the top of the fixing frame (1), the oil tank (6) and the oil pump (5) are connected through an oil delivery pipe (7), the output port of the oil pump (5) is connected to the oil groove (4), a piston disc (8) is slidably embedded inside the oil groove (4), a connecting shaft (9) is connected to the left side of the piston disc (8), the connecting shaft (9) is slidably inserted in the oil groove (4) and a connecting mechanism (10) is installed at the left end, a support rod (11) is hingedly connected to the side of the coarse grille body (3), and the lower end of the support rod (11) is hingedly connected to the side of the coarse grille body (3).

2. The coarse screen hydraulic drive device according to claim 1, characterized in that: The connecting mechanism (10) comprises a fixed block (101), a connecting rod (102) and a limit block (103); a through groove matching the diameter of the connecting rod (102) is provided on a side of the fixed block (101); the connecting rod (102) and the fixed block (101) are slidably connected; the limit blocks (103) are installed at the left and right ends of the connecting rod (102); the support rod (11) is hinged to the outside of the two groups of limit blocks (103); and the limit blocks (103) are fixed to the two ends of the connecting rod (102) by screws.

3. The coarse screen hydraulic drive device according to claim 2, characterized in that: A cylindrical slot matching the diameter of the connecting shaft (9) is provided on the side of the fixing block (101), a fixing bolt is inserted on the lower side of the fixing block (101), and the connecting shaft (9) is slidably inserted inside the fixing block (101) and is limited by the fixing bolt.

4. The coarse screen hydraulic drive device according to claim 3, characterized in that: The top of the fixed frame (1) is provided with a slide groove, and a movable roller (12) is slidably embedded in the slide groove. The top of the fixed block (101) is connected with a connecting sleeve (13), and the connecting sleeve (13) is rotatably sleeved on the outside of the movable roller (12).

5. The coarse screen hydraulic drive device according to claim 1, characterized in that: A sealing ring (14) is installed on the outer side of the oil groove (4), and mounting blocks (15) are fixed on the upper, lower, left and right sides of the sealing ring (14), and threads are provided on the inner side of the mounting blocks (15).

6. The coarse screen hydraulic drive device according to claim 1, characterized in that: A cover plate is provided on the lower side of the oil pump (5), and the cover plate is fixed by screws.

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