Flood discharge gate main wheel sealing structure

Abstract

The utility model relates to a flood discharge gate main wheel sealing structure which comprises a flood discharge gate, a rolling wheel and a wheel shaft, the flood discharge gate is provided with edge beam webs located on the two sides of the rolling wheel, the wheel shaft penetrates through a shaft hole in the middle of the rolling wheel, and the two ends of the wheel shaft are connected to the edge beam webs on the two sides. The idler wheel and the wheel shaft are in rotating fit through a self-lubricating bearing, USH sealing rings abutting against the two ends of the self-lubricating bearing are arranged at the two ends of a shaft hole of the idler wheel, and sealing pressing plates used for pressing the USH sealing rings inwards are arranged at the two ends of the idler wheel. The sealing structure is additionally arranged on the main wheel, so that the sealing performance is improved, sand and stones are prevented from entering the wheel shaft and the self-lubricating shaft sleeve, the problems that a bearing is rusted and blocked after being soaked in water for a long time, a main pulley locking baffle is sheared off and the like are solved, and the running safety and reliability of the sluice gate are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy and hydropower facilities technical field, especially a flood discharge gate main wheel sealing structure. BACKGROUND

[0002] The flood discharge gate has eight main wheels (four on each side) in total, and the main wheels are assembled as shown in the drawing. Figure 1 The inner shaft and self-lubricating bushing of the lower main wheels on both sides are corroded and stuck due to long-term immersion in water and sand and stone flowing in, and the lubricating grease cannot be effectively stored, which causes the main wheel locking baffle to be sheared off, seriously affecting the safe operation of the flood discharge gate. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model aims at providing a flood discharge gate main wheel sealing structure to improve the sealing performance, prevent sand and stone from entering the inner shaft and self-lubricating bushing, and improve the safety and reliability of the flood discharge gate operation.

[0004] The utility model adopts the following scheme: a flood discharge gate main wheel sealing structure, which comprises a flood discharge gate, a roller and a shaft, the flood discharge gate is provided with a side beam web on both sides of the roller, the shaft passes through the shaft hole in the middle of the roller and is connected to the side beam webs on both sides at both ends, the roller and the shaft are rotationally connected through a self-lubricating bearing, the shaft hole at both ends of the roller is provided with a USH sealing ring abutting against both ends of the self-lubricating bearing, and the roller is provided with a sealing pressing plate for pressing the USH sealing ring inward at both ends.

[0005] Further, the inner peripheral wall of the sealing pressing plate is provided with an annular sealing groove, and the annular sealing groove is provided with an O-shaped sealing ring.

[0006] Further, one side of the USH sealing ring with a V-shaped groove faces the sealing pressing plate, and an annular rubber strip is clamped between the V-shaped groove of the USH sealing ring and the sealing pressing plate.

[0007] Further, the roller is provided with an annular groove around the shaft hole at both ends, the annular groove is provided with a threaded hole, and the sealing pressing plate is installed in the annular groove through a screw.

[0008] Further, the side beam web is provided with a hole for the shaft to pass through, a supporting plate is welded to the outside of the hole of the side beam web, and a positioning hole matched with the shaft is formed in the middle of the supporting plate.

[0009] Further, a gasket is arranged on the shaft between the side beam web and the roller.

[0010] Further, the side beam web, the gasket and the supporting plate are provided with mounting through holes aligned with the screw positions on the sealing pressing plate.

[0011] Further, the supporting plate is externally connected with a baffle through bolts, and the axle is provided with a clamping groove matched with the baffle.

[0012] Compared with the prior art, the utility model has the advantages that the utility model adds the sealing structure to the main wheel, improves the sealing property, prevents the sand and stone from entering the inside of the axle and the self-lubricating shaft sleeve, avoids the problems of bearing rust, jamming, main pulley locking baffle shearing and the like caused by long-term soaking in water, and improves the safety and reliability of the operation of the sluice gate.

[0013] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail through specific embodiments and related drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a sectional view of the prior art structure;

[0015] Figure 2 is a sectional view of the embodiment structure of the utility model;

[0016] Figure 3 is Figure 2 is an enlarged schematic view of I in the middle.

[0017] Marked numbers in the drawing: 1-roller, 2-first supporting plate, 3-bolt, 4-spring washer, 5-first baffle, 6-oil cup, 7-washer, 8-second supporting plate, 9-axle, 10-second baffle, 11-self-lubricating bearing, 12-sealing plate, 13-screw, 14-USH sealing ring, 15-rubber round strip, 16-O-shaped sealing ring, 17-mounting through hole, 18-side beam web. DETAILED DESCRIPTION

[0018] It should be noted that the following detailed description is exemplary only and is intended to provide further description of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0019] It should be noted that the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0020] As Figures 2-3As shown, a kind of floodgate main wheel sealing structure, including floodgate, roller 1 and wheel axle 9, the floodgate is equipped with the beam web 18 located in the both sides of roller, wheel axle 9 passes through the axle hole in the middle of roller and is connected on the both side beam web 18 on two ends;The roller 1 and wheel axle 9 are rotated by self-lubricating bearing 11 between the cooperation, the both ends of the axle hole of roller 1 are equipped with the USH sealing ring 14 abutting the both ends of self-lubricating bearing 11, and the both ends of roller 1 are equipped with the sealing pressing plate 12 for inwardly pressing USH sealing ring 14.The utility model discloses the sealing structure of additional main wheel, improves the sealing property, to prevent sand and stone from entering the inside of wheel axle and self-lubricating shaft sleeve, avoid the problems such as bearing rust, jam, main pulley locking baffle shear etc. after long-term soaking, improve the safety and reliability of the operation of sluice.

[0021] In the embodiment, in order to further improve the sealing property, the inner peripheral wall of the sealing pressing plate 12 is provided with an annular sealing groove, and an O-shaped sealing ring 16 is arranged in the annular sealing groove.

[0022] In the embodiment, the side of the V-shaped groove of the USH sealing ring is directed towards the sealing pressing plate, and an annular rubber round strip 15 is clamped between the V-shaped groove of the USH sealing ring 14 and the sealing pressing plate 12. By the pressing action of the sealing pressing plate, the lips on both sides of the V-shaped groove can be forced to open outward by the rubber round strip 15, thereby improving the sealing effect.

[0023] In the embodiment, the roller 1 is provided with an annular recess around the hole of the axle hole, the annular recess is provided with a threaded hole, the sealing pressing plate 12 is installed in the annular recess by a screw 13, and the screw 13 is a cross slot countersunk screw.

[0024] In the embodiment, the beam web 18 is provided with a hole for the wheel axle to pass through, and a support plate (i.e. a first support plate 2 and a second support plate 8) is welded outside the hole of the beam web. A positioning hole adapted to the wheel axle is formed in the middle of the support plate.

[0025] In the embodiment, a gasket 7 is arranged on the wheel axle between the beam web 18 and the roller 1.

[0026] In the embodiment, the beam web 18, the gasket 7 and the support plate are provided with an installation through hole 17 aligned with the screw position on the sealing pressing plate. Since the space where the sealing pressing plate is located is small, in order to lock the sealing pressing plate, a screwdriver needs to pass through the installation through hole to tighten the screw on the sealing pressing plate. If the screw is tightened in advance, the wheel axle will not be able to pass through the USH sealing ring during assembly.

[0027] In the embodiment, the supporting plates are externally connected with the baffle plates (i.e. the first baffle plate 5 and the second baffle plate 10) through bolts, and the axle is provided with clamping grooves matched with the baffle plates; the supporting plates connected with the baffle plates on both sides effectively position both ends of the axle.

[0028] In the embodiment, the self-lubricating bearing 11 is a self-lubricating composite bearing.

[0029] Any of the technical solutions disclosed in the utility model, if not otherwise stated, if it discloses a numerical range, the disclosed numerical range is a preferred numerical range, any person skilled in the art should understand that the preferred numerical range is only one of the many implementable values with more obvious technical effects or representative values. Because there are many values, it is impossible to enumerate them all, therefore, the utility model discloses only part of the values to illustrate the technical solutions of the utility model, and the enumerated values should not constitute a limitation on the protection scope of the utility model.

[0030] If the utility model discloses or involves mutually fixed connecting parts or structural members, in addition to otherwise stated, the fixed connection can be understood as: detachable fixed connection (for example, bolt or screw connection), and can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutually fixed connection can also be replaced by an integral structure (for example, integrally formed by using a casting process) (obviously, it cannot be replaced by an integral forming process).

[0031] In addition, the terms used to represent the positional relationship or shape in any of the technical solutions disclosed in the utility model, in addition to otherwise stated, the meaning includes the approximate, similar or close state or shape.

[0032] Any of the components provided by the utility model can be assembled from a plurality of individual components, or can be an individual component manufactured by an integral forming process.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, and any person skilled in the art can change or modify the above disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made on the basis of the technical essence of the utility model to the above embodiments, without departing from the technical solution content of the utility model, still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A flood gate main wheel sealing structure comprising a flood gate, a roller and an axle, characterized in that: The floodgate is provided with side beam webs on both sides of the roller, the wheel shaft passes through the shaft hole in the middle of the roller and is connected to the side beam webs on both sides, the roller and the wheel shaft are rotationally connected through self-lubricating bearings, the shaft hole on both ends of the roller is provided with a USH sealing ring abutting against both ends of the self-lubricating bearing, and both ends of the roller are provided with sealing pressure plates for pressing the USH sealing ring inward.

2. The floodgate main wheel seal structure of claim 1, wherein: The inner peripheral wall of the sealing pressure plate is provided with an annular sealing groove, and the annular sealing groove is provided with an O-shaped sealing ring.

3. The floodgate main wheel seal structure of claim 1, wherein: One side of the V-shaped groove of the USH sealing ring faces the sealing pressure plate, and an annular rubber strip is clamped between the V-shaped groove of the USH sealing ring and the sealing pressure plate.

4. The floodgate main wheel seal structure of claim 1, wherein: Both ends of the roller are provided with an annular sunken groove around the shaft hole orifice, the annular sunken groove is provided with a threaded hole, and the sealing pressure plate is installed in the annular sunken groove through a screw.

5. The flood gate primary wheel seal structure of claim 4, wherein: The side beam web is provided with a hole through which the wheel shaft passes, and a supporting plate is welded outside the hole of the side beam web, and a positioning hole adapted to the wheel shaft is formed in the middle of the supporting plate.

6. The flood gate primary wheel seal structure of claim 5, wherein: A gasket is provided between the side beam web and the roller and is sleeved on the wheel shaft.

7. The floodgate main wheel seal structure of claim 6, wherein: The side beam web, the gasket and the supporting plate are provided with mounting through holes aligned with the screw positions on the sealing pressure plate.

8. The flood gate primary wheel seal structure of claim 5, wherein: A baffle is connected to the outside of the supporting plate through a bolt, and a clamping groove adapted to the baffle is formed on the wheel shaft.

Images