阅读说明：本技术 一种水冲压动态密封结构 (Water-flushing dynamic sealing structure ) 是由 许军 靳潮 于 2019-10-10 设计创作，主要内容包括：本发明公开一种水冲压动态密封结构,属于水冲压船舶除锈装置领域,解决现有技术中旋转体、转杆在转动过程中磨损大、漏水、不方便维修的问题,技术方案：包括：冲压转仓、冲压顶口、冲压转轴,所述冲压转仓是空心的圆柱体形状,所述冲压转仓一端设置有卡圆环,所述冲压转仓另一端设有螺栓连接环孔,所述冲压转轴由圆环穿入冲压转仓内部并穿出螺栓连接环孔,所述冲压顶口边环与冲压转仓的螺栓连接环孔边环面连接,所述冲压转轴顶部设置有第二冲压水口,所述冲压顶口中心设置有第一冲压水口,所述第一冲压水口与第二冲压水口对接且对接空腔内设置有密封芯轴,主要用于：水冲压喷水除锈,使用稳定,维修方便、成本低。(The invention discloses a water-washed dynamic sealing structure, belongs to the field of water-washed ship rust removal devices, and solves the problems of large abrasion, water leakage and inconvenient maintenance of a rotating body and a rotating rod in the rotating process in the prior art, and the technical scheme is as follows: the method comprises the following steps: punching press changes storehouse, punching press apical foramen, punching press pivot, the punching press changes the storehouse and is hollow cylinder shape, punching press changes storehouse one end and is provided with the card ring, the punching press changes the storehouse other end and is equipped with bolted connection ring hole, the punching press pivot penetrates inside the punching press changes the storehouse and wears out bolted connection ring hole by the ring, punching press apical foramen limit ring is connected with the bolted connection ring hole limit anchor ring in the punching press changes the storehouse, punching press pivot top is provided with the second punching press mouth of a river, punching press apical foramen center is provided with the first punching press mouth of a river, be provided with sealed dabber in first punching press mouth of a river and the butt joint cavity with the second punching press mouth of a river, mainly be used for: the water jet rust removal is stable in use, convenient to maintain and low in cost.)

1. The utility model provides a water ram dynamic seal structure which characterized in that: the method comprises the following steps: a stamping rotary bin (1), a stamping top opening (2) and a stamping rotating shaft (3), wherein the stamping rotary bin (1) is in a hollow cylinder shape, one end of the punching rotary bin (1) is provided with a clamping ring (27), the other end of the punching rotary bin (1) is provided with a bolt connecting ring hole (26), the punching rotating shaft (3) penetrates into the punching rotating bin (1) through a circular ring (27) and penetrates out of a bolt connecting ring hole (26), the side ring of the stamping top opening (2) is connected with the side ring surface of a bolt connecting ring hole (26) of the stamping rotary bin (1), a second stamping water gap (28) is arranged at the top of the stamping rotating shaft (3), a first stamping water gap (31) is arranged at the center of the stamping top opening (2), the first stamping water gap (31) is butted with the second stamping water gap (28), a sealing mandrel (23) is arranged in a butting cavity, the length of the sealing mandrel (23) is less than the sum of the lengths of the first stamping water gap (31) and the second stamping water gap (28).

2. A water-hammering dynamic sealing structure according to claim 1, wherein: the stamping top opening (2) is in a convex shape, and a first bolt hole (32) is formed in the edge ring part of the stamping top opening (2).

3. A water-hammering dynamic sealing structure according to claim 2, wherein: the stamping rotary shaft (3) comprises: hydraulic pressure commentaries on classics piece (29), rotary column (30), hydraulic pressure commentaries on classics piece (29) is the cylinder shape, rotary column (30) are changeed piece (29) central part break-through by hydraulic pressure, the outer wall of hydraulic pressure commentaries on classics piece (29) is provided with spiral groove (32), spiral groove (32) are changeed piece (29) bottom edge by hydraulic pressure and are upwards the spiral extension and spiral groove (32) degree of depth and extend with spiral groove (32) and decrement, hydraulic pressure commentaries on classics piece (29) and rotary column (30) integrated into one piece.

4. A water-hammering dynamic sealing structure according to claim 3, wherein: the stamping rotary bin (1) is cylindrical, the bolt connecting ring hole (26) is circular, and a second bolt hole (25) is formed in the circular portion of the bolt connecting ring hole (26).

5. The water-hammer-pressure dynamic seal structure of claim 4, wherein: two sealing nuts (24) penetrate through the sealing mandrel (23), the two sealing nuts (24) are respectively arranged in the inner cavity of the first stamping water gap (31) and the inner cavity of the second stamping water gap (28), and the two sealing nuts (24) are adjacent.

6. A water-hammering dynamic sealing structure according to claim 5, wherein: the end part of the sealing mandrel (23) arranged in the second stamping water gap (28) is further sleeved with a sealing ring (21), the end part of the sealing mandrel (23) arranged in the first stamping water gap (31) is further sleeved with a sealing support ring (20), and a deep groove oil bearing (22) is further arranged between the second stamping water gap (28) and the bolt connecting ring hole (26) of the stamping rotating shaft (3) in a connecting mode.

7. A water-hammering dynamic sealing structure according to claim 6, wherein: two oil rings (4) and a fixed rotating ring (6) are further arranged between the hydraulic rotating block (29) and the clamping ring (27), the two oil rings (4) and the fixed rotating ring (6) penetrate through the tail of the rotating column (30), and the two oil rings (4) are arranged between the fixed rotating ring (6) and the hydraulic rotating block (29).

8. A water-hammering dynamic sealing structure according to claim 7, wherein: a framework oil seal (9) is further arranged between the fixed rotating ring (6) and the rotating column (30), the fixed rotating ring (6) is fixedly connected with the two oil rings (4) through bolts, and the fixed rotating ring (6) is fixedly connected with the clamping circular ring (27).

9. A water-hammering dynamic sealing structure according to claim 8, wherein: the fixed rotating ring (6) is fixedly connected with the two oil rings (4) through M8 oil plug screws.

10. A water-hammering dynamic sealing structure according to claim 9, wherein: the fixed rotating ring (6) is in a convex shape, and the framework oil seal (9) is in a circular ring shape.

Technical Field

The invention relates to the field of water-flushed ship rust removal devices, in particular to a water-flushed dynamic sealing structure.

Background

The prior patent names: the utility model provides a rotatory high pressure water spray rust cleaning device, the publication: CN209207263U, application date: 12/21/2018, the defects are as follows: the utility model provides a, rotator, bull stick that relate to among the technical scheme, because high-pressure water strikes and drives rotator, bull stick reversal through water spraying on the boats and ships wall, because the slew velocity is fast, and water pressure strikes and cause rotator, bull stick reversal wearing and tearing greatly, the material consumes soon, problem that cost of maintenance is high, two, it is big to appear the water punching press easily in the use, because the problem of wearing and tearing is leaked seriously, influences the result of use.

Disclosure of Invention

The invention aims to provide a water-flushing dynamic sealing structure, which solves the problems of large abrasion, water leakage and inconvenient maintenance of a rotating body and a rotating rod in the rotating process in the prior art, and has the technical effects that: stable use, convenient maintenance and low cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

a water-ram dynamic seal structure comprising: the stamping rotary bin comprises a stamping rotary bin body, a stamping top opening and a stamping rotating shaft, wherein the stamping rotary bin body is in a hollow cylindrical shape, one end of the stamping rotary bin body is provided with a clamping ring, the other end of the stamping rotary bin body is provided with a bolt connecting ring hole, the stamping rotating shaft penetrates into the stamping rotary bin body through the ring and penetrates out of the bolt connecting ring hole, a stamping top opening edge ring is connected with the ring surface of the bolt connecting ring hole edge of the stamping rotary bin body in a ring mode, a second stamping water opening is formed in the top of the stamping rotating shaft, a first stamping water opening is formed in the center of the stamping top opening, a sealing mandrel is arranged in a butt joint cavity of the first stamping water opening and the second stamping water opening, and the length of the sealing mandrel is smaller than the sum of.

Further, the stamping top opening is in a convex shape, and a first bolt hole is formed in the edge ring part of the stamping top opening.

Further, the punching spindle includes: the hydraulic rotary block is cylindrical, the rotary column is penetrated through the center of the hydraulic rotary block, a spiral groove is formed in the outer wall of the hydraulic rotary block, the spiral groove extends upwards from the edge of the bottom of the hydraulic rotary block in a spiral shape, the depth of the spiral groove decreases progressively along with the extension of the spiral groove, and the hydraulic rotary block and the rotary column are integrally formed.

Further, the stamping rotary bin is cylindrical, the bolt connecting ring hole is circular, and a second bolt hole is formed in the circular ring part of the bolt connecting ring hole.

Furthermore, two sealing nuts penetrate through the sealing mandrel, the two sealing nuts are respectively arranged in the inner cavity of the first stamping water gap and the inner cavity of the second stamping water gap, and the two sealing nuts are adjacent to each other.

Furthermore, a sealing ring is further sleeved at the end part of the sealing mandrel arranged in the second punching water port, a sealing support ring is further sleeved at the end part of the sealing mandrel arranged in the first punching water port, and a deep groove oil bearing is further arranged between the second punching water port and the bolt connecting ring hole of the punching rotating shaft.

Furthermore, two oil rings and a fixed rotating ring are arranged between the hydraulic rotating block and the clamping ring, the two oil rings and the fixed rotating ring penetrate through the tail part of the rotating column, and the two oil rings are arranged between the fixed rotating ring and the hydraulic rotating block.

Further, a framework oil seal is further arranged between the fixed rotating ring and the rotating column, the fixed rotating ring is fixedly connected with the two oil rings through bolts, and the fixed rotating ring is fixedly connected with the clamping circular ring.

Furthermore, the fixed rotating ring is fixedly connected with the two oil rings through M8 oil plug screws.

Further, the fixed rotating ring is in a convex shape, and the framework oil seal is in a circular ring shape.

Has the advantages that: the difference between the invention and the prior art is that:

the invention has the advantages that a stamping rotating shaft penetrates into a stamping rotating bin and then is butted with a stamping top opening, the stamping top opening is fixedly connected with the stamping rotating bin, a second stamping water gap is arranged at the top of the stamping rotating shaft, a first stamping water gap is arranged at the center of the stamping top opening, the first stamping water gap is butted with the second stamping water gap, a sealing mandrel is arranged in a butt cavity, the length of the sealing mandrel is smaller than the sum of the first stamping water gap and the second stamping water gap, and the invention has the following effects: when water stamping is carried out by the first stamping water gap and then is sprayed out from the tail end of the rotary column, the stamping rotary shaft rotates through the reaction force, the reaction force is greater than the pressure of stamping water in the process of rotation, the sealing mandrel is attached to the inner end of the first stamping water gap of the stamping top opening, and when the water stamping is greater than the reaction force, the sealing mandrel is attached to the inner portion of the second stamping water gap, so that the friction loss is reduced, the dynamic sealing effect is achieved, the damage and the maintenance are facilitated, and the cost is low.

The hydraulic rotating block and the rotating column are punched, the hydraulic rotating block is cylindrical, the rotating column is cylindrical, the center of the hydraulic rotating block penetrates through the rotating column, the outer wall of the hydraulic rotating block is provided with a spiral groove, the spiral groove extends upwards from the edge of the bottom of the hydraulic rotating block in a spiral manner, the depth of the spiral groove decreases with the extension of the spiral groove, the hydraulic rotating block and the rotating column are integrally formed, and the hydraulic rotating block and the rotating column have the effects that: the punching press pivot sets up at the punching press and changes the storehouse internal rotation, and damping oil has been placed to the punching press commentaries on classics storehouse, and damping oil rotates along with hydraulic pressure commentaries on classics piece in the spiral groove of hydraulic pressure commentaries on classics piece and plays the damping effect.

Drawings

FIG. 1: is a structural schematic diagram of the invention;

FIG. 2: is a front view of the present invention;

FIG. 3: is a cross-sectional view of the present invention;

FIG. 4: is a schematic structural diagram of the stamping top opening of the invention;

FIG. 5: is a schematic structural diagram of the stamping rotary bin of the invention;

FIG. 6: is a schematic structural view of the stamping rotating shaft of the invention;

FIG. 7: the invention is a schematic view of the combined structure of a stamping top opening and a stamping rotating shaft;

FIG. 8: is a schematic structural view of the fixed swivel of the invention;

FIG. 9: is a structural schematic diagram of the sealing mandrel of the invention;

FIG. 10: is a schematic structural diagram of the framework oil seal of the invention;

FIG. 11: is a schematic structural view of the sealing nut of the invention;

FIG. 12: is a schematic diagram of the deep groove oil bearing structure of the invention;

FIG. 13: is a structural schematic diagram of the sealing ring of the invention;

FIG. 14: is a schematic structural diagram of the sealing support ring of the invention;

reference numerals: the stamping rotary cabin comprises a stamping rotary cabin 1, a stamping top opening 2, a stamping rotary shaft 3, an oil ring 4, a fixed rotary ring 6, a framework oil seal 9, a sealing support ring 20, a sealing ring 21, a deep groove oil bearing 22, a sealing mandrel 23, a sealing nut 24, a second bolt hole 25, a bolt connecting ring hole 26, a clamping ring 27, a second stamping water gap 28, a hydraulic rotary block 29, a rotary column 30, a first stamping water gap 31 and a spiral groove 32.

Detailed Description

The invention will be further described with reference to the accompanying drawings

A water-flushed dynamic seal arrangement as shown in figures 1-14, comprising: the stamping rotary bin comprises a stamping rotary bin 1, a stamping top opening 2 and a stamping rotary shaft 3, wherein the stamping rotary bin 1 is hollow and cylindrical, the stamping rotary shaft 3 is used for the stamping rotary bin 1 to rotate in the stamping rotary bin 1, the stamping top opening 2 is used for being connected with an external flushing water pump, one end of the stamping rotary bin 1 is provided with a clamping ring 27, the clamping ring 27 is in a ring shape and is of an integrally formed structure with one end of the stamping rotary bin 1, the clamping ring 27 is used for clamping the tail part of the stamping rotary shaft 3, the other end of the stamping rotary bin 1 is provided with a bolt connecting ring hole 26, the bolt connecting ring hole 26 is in a ring shape, the bolt connecting ring hole 26 is used for clamping the upper end of the stamping rotary shaft 3, the stamping rotary shaft 3 penetrates into the stamping rotary bin 1 through the ring 27 and penetrates out of the bolt connecting ring hole 26, the side ring of the stamping top opening 2 is connected with the side ring surface of the bolt connecting ring hole 26 of the stamping, the connection mode is bolt connection, the simple scheme is simple, the disassembly is convenient, the top of the stamping rotating shaft 3 is provided with a second stamping water gap 28, the second stamping water gap 28 and the stamping rotating shaft 3 are integrally formed, the center of the stamping top opening 2 is provided with a first stamping water gap 31, the first stamping water gap 31 and the stamping top opening 2 are of an integrated structure, the first stamping water gap 31 is in butt joint with the second stamping water gap 28, a sealing mandrel 23 is arranged in a butt joint cavity, said sealing mandrel 23 is placed directly in the cavity between the first and second ram water openings 31 and 28, the length of the sealing mandrel 23 is less than the length of the sum of the first and second ram water gaps 31 and 28, and the sealing mandrel 23 is used for facilitating the movement of the sealing mandrel 23 in a cavity between the first and second ram water gaps 31 and 28 during the water-stamping process to form a dynamic seal.

As shown in fig. 3-4, the stamping top opening 2 is in a convex shape for facilitating connection with an external stamping water pump, the edge ring part of the stamping top opening 2 is provided with first bolt holes 32, and the number of the first bolt holes 32 is 6 for facilitating connection with the bolt connection ring holes 26 of the stamping rotary cabin 1.

As shown in fig. 6 to 7, the pressing spindle 3 includes: hydraulic pressure commentaries on classics piece 29, rotary column 30, hydraulic pressure commentaries on classics piece 29 is used for playing the damping effect, rotary column 30 is the punching press water passageway, hydraulic pressure commentaries on classics piece 29 is the cylinder shape, rotary column 30 is by hydraulic pressure commentaries on classics piece 29 central part break-through integrated into one piece structure, license and the use of being convenient for, hydraulic pressure commentaries on classics piece 29's outer wall is provided with spiral groove 32, spiral groove 32 is changeed piece 29 bottom edge by hydraulic pressure and is upwards the spiral extension and spiral groove 32 degree of depth and steadilys decrease along with spiral groove 32 extension, and the effect is convenient for punching press pivot 3 to combine damping liquid to play damped effect when.

As shown in fig. 1, 2 and 5, the stamping rotary cabin 1 is cylindrical and is used for facilitating the rotation of the stamping rotary shaft 3 in the stamping rotary cabin 1, the bolt connecting ring hole 26 is circular, the circular part of the bolt connecting ring hole 26 is provided with second bolt holes 25, and the number of the second bolt holes 25 is 6 to facilitate the connection with the first bolt holes 32 of the stamping top opening 2.

As shown in fig. 3 and 9, the sealing mandrel 23 is penetrated with two sealing nuts 24, the sealing nuts 24 are in a circular tube shape and are used for facilitating the insertion of the sealing mandrel 23, the two sealing nuts 24 are respectively arranged in the inner cavity of the first ram water gap 31 and the inner cavity of the second ram water gap 28, the two sealing nuts 24 are adjacent to each other, the two sealing nuts 24 are respectively directly inserted into the first ram water gap 31 and the second ram water gap 28 and are used for facilitating the rotation of the sealing mandrel 23 in the sealing nuts 24.

As shown in fig. 3, 12 and 13, the end of the sealing mandrel 23 disposed in the second stamping water gap 28 is further sleeved with a sealing ring 21, the sealing ring 21 is in a circular tube shape, and is used for facilitating the insertion of the sealing mandrel 23 and the rotation of the sealing mandrel 23, the end of the sealing mandrel 23 disposed in the first stamping water gap 31 is further sleeved with a sealing support ring 20, which is used for facilitating the insertion of the sealing mandrel 23 and the rotation of the sealing mandrel 23, a deep groove oil bearing 22 is further disposed between the second stamping water gap 28 and the bolt connecting ring hole 26 of the stamping rotating shaft 3, the deep groove oil bearing 22 is sleeved on the upper portion of the stamping rotating shaft 3 and abuts against the edge wall of the bolt connecting ring hole 26, and is used for facilitating the rotation of the stamping rotating shaft 3 in the deep groove oil bearing 22.

As shown in fig. 3, 6, 7 and 8, two oil rings 4 and a fixed rotary ring 6 are further disposed between the hydraulic rotary block 29 and the clamping ring 27, the oil rings 4 are in a circular ring shape, the two oil rings 4 and the fixed rotary ring 6 are both inserted into the tail of the rotary column 30, damping oil is placed in the oil rings 4, the two oil rings 4 are disposed between the fixed rotary ring 6 and the hydraulic rotary block 29 and are used for facilitating the rotation of the pressing rotary shaft 3 relative to the circular ring 27, the fixed rotary ring 6 is in a convex circular ring cover shape and is used for facilitating the fixed connection with the circular ring 27, and the fixed rotary ring 6 and the two oil rings 4 are vertically connected through bolts.

As shown in fig. 3 and 10, a skeleton oil seal 9 is further disposed between the fixed rotating ring 6 and the rotating column 30, the skeleton oil seal 9 is in a ring shape, the skeleton oil seal 9 prevents damping oil in the oil rings 4 from leaking, the fixed rotating ring 6 is fixedly connected with the two oil rings 4 through bolts, the fixed rotating ring 6 is fixedly connected with the clamping ring 27, and the effect is that the stamping rotating shaft 3 can rotate relative to the fixed rotating ring 6 conveniently.

As shown in fig. 3, the fixed swivel 6 and the two oil rings 4 are fixedly connected by an M8 oil plug screw, and the M8 oil plug screw is used for fixedly connecting the two oil rings 4, the fixed swivel 6, and the snap ring 27.

The installation and use method comprises the following steps:

the tail part of a stamping rotating shaft 3 is penetrated by two oil rings 4, a deep groove oil bearing 22 is placed in a stamping rotating bin 1 to abut against the inner edge part of a bolt connecting ring hole 26, the stamping rotating shaft 3 is penetrated into the stamping rotating bin 1, the top part of the stamping rotating shaft passes through the deep groove oil bearing 22 and the bolt connecting ring hole 26, the tail part of the stamping rotating shaft 3 is penetrated into a framework oil seal 9 and a fixed rotating ring 6, the fixed rotating ring 6 is further jointed with a clamping ring 27, an M8 oil plug screw 8 is penetrated into the fixed rotating ring 6 and simultaneously penetrates through the edge part of the clamping ring 27 and the ring parts of the two oil rings 4, the number of the M8 oil plug screws 8 is two, and the two oil rings 4 and the fixed rotating ring 6 are fixedly connected with the clamping ring 27; embedding a sealing ring carrier 20 into the top of a first stamping water gap 31, embedding a sealing ring 21 into the top of a second stamping water gap 28, further embedding two sealing nuts 24 into the first stamping water gap 31 and the second stamping water gap 28, penetrating a sealing mandrel 23 into the sealing nuts 24, the sealing ring carrier 20 and the sealing ring 21 of the first stamping water gap 31 and the second stamping water gap 28, and fixedly connecting a stamping rotary bin 1 with a stamping top opening 2 through bolts;

during the use, outside commentaries on classics oar is connected to punching press pivot 3, outside water punching press is connected to punching press fore shaft 2, make outside commentaries on classics oar reaction force rotate through water punching press, further drive punching press pivot 3 and rotate at punching press rotary warehouse 1, hydraulic pressure commentaries on classics piece 29 of punching press pivot 3 strikes at spiral groove 32 through damping oil and plays the effect at the uniform velocity, furthermore, will be owing to in the rotation process water punching press unstability and reaction force size unstability, make sealed dabber 23 remove in second punching press mouth of a river 28, first punching press mouth of a river 31, the effect makes the water-washed pressure wearing and tearing, the deformation is all concentrated on sealed dabber 23, be convenient for maintain and change.

In the description of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation.

In the present invention, the terms "set", "install", "connect", "fix", etc. should be understood in a broad sense, for example, they may be fixed connection or detachable connection; may be a mechanical connection; can be directly connected, and the specific meaning of the terms in the invention can be understood according to specific situations by a person skilled in the art; the terms "first", "second", and "first" are used for descriptive purposes only and may refer to one or more of such features, and in the description of the invention "plurality" means two or more unless specifically limited otherwise.

The present invention is not limited to the above-described embodiments, and all changes that do not depart from the structure and action of this embodiment are intended to be within the scope of the invention.