CN211474875U - Sealing device capable of being matched with clay conveying equipment for use - Google Patents

Abstract

A sealing device capable of being matched with clay conveying equipment for use, wherein a bearing gland, a first shaft head shell and a second shaft head shell are sequentially arranged at the end part of the shaft end of the clay conveying equipment from outside to inside, a first air hole and an oil hole are formed in the first shaft head shell, an external air source can enter the shaft end from the first air hole through an air channel, the first air hole is connected with the air source through an air channel pipeline, and the oil hole is connected with a grease pump through an oil channel pipeline; a yellow glue ring, a locking steel frame, a shaft head sealing cover and a yellow glue pressing plate are sequentially arranged on the inner side of the second shaft head shell from outside to inside, a steel sleeve which is knocked in is arranged at the position, close to the first shaft head shell, of each shaft of the shafts at the two ends of the mixing drum, a shaft head protection ring A is tightly clamped on the steel sleeve, a second air hole and an annular groove are formed in the shaft head protection ring A, a grease hole is formed in the inner side of the second shaft head shell, and the grease hole is communicated with the grease hole; a blue rubber ring is arranged between the second spindle head shell and the shaft locking device.

Description

Sealing device capable of being matched with clay conveying equipment for use

Technical Field

The utility model belongs to the technical field of the sealing device technique and specifically relates to relate to the improvement of the solution and the performance of sealed effect between clay conveying all-in-one barrel and end cover, but multiaxis installation also unipolar, according to the different random installation of axle number.

Background

Passive seals are generally used in most mechanical structures, i.e. using for example: the flow resistance of an O-shaped sealing ring, a skeleton oil seal and the like which extrude an elastic sealing element works, the sealing element generates elastic deformation by pre-extrusion to generate pretightening force, simultaneously, the pressure of a medium extrudes the sealing ring in work, and the interaction of the sealing ring and the medium generates contact pressure on a sealing surface. Corresponding to the throttling means between the seal and the sealing body.

However, the sealing element at the end of the equipment shaft in working is often subjected to impact extrusion, and the sealing element in long-term use can generate permanent deformation, so that the local sealing effect is reduced. Meanwhile, the structure installation precision is influenced by the vibration of equipment in work, so that a gap between structures is overlarge, and a sealing element generates a sealing hidden trouble in long-term use.

The sealing effect that the sealing system of axle head portion adopted is not good, and the sealing member can produce permanent deformation after often receiving impact extrusion, leads to the installation clearance grow between the structure, causes sealed effect not good enough, appears leaking scheduling problem when stirring. Therefore, the passive seal is required to be an active seal, and an improved active auxiliary seal is adopted, so that slurry at the shaft end of the equipment is prevented from flowing out in the working process, and the sealing performance of the shaft end of the equipment in long-term use is guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the utility model provides a sealing device that can be used along with equipment collocation.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a sealing device capable of being matched with clay conveying equipment for use is provided, wherein a bearing gland 2, a first shaft head shell 5 and a second shaft head shell 9 are sequentially arranged at the end part of a shaft end of the clay conveying equipment from outside to inside, the left side of the first shaft head shell 5 is connected with the bearing gland 2, the right side of the first shaft head shell 5 is connected with the second shaft head shell 9, a first air hole 3 and an oil hole 4 are arranged at the first shaft head shell 5, an external air source can enter the shaft end through an air channel, the first air hole 3 is connected with the air source through an air channel pipeline, and the oil hole 4 is connected with a grease pump through an oil channel; the inner side of the second axle head shell 9 is sequentially provided with a yellow glue ring 6, a locking steel frame 7, an axle head sealing cover 17 and a yellow glue pressing plate 19 from outside to inside, the yellow glue ring 6 is arranged on the locking steel frame 7, the yellow glue ring 6, the locking steel frame 7, the axle head sealing cover 17, the yellow glue pressing plate 19 and the second axle head shell 9 are connected by using a locking screw 18, and the second axle head shell 9 is tightly arranged at the axle ends of 3 axles at the two ends of the mixing drum by using screws; a hammered-in steel sleeve 16 is arranged on each shaft of the 3 shafts at the two ends of the mixing drum close to the first shaft head shell 5, a shaft head protection ring A10 is tightly clamped on the steel sleeve 16, a second air hole 12 and an annular groove are formed in the shaft head protection ring A10, and the second air hole 12 is communicated with the annular groove; when pressure gas enters the first air hole 3, the gas passes through the annular groove through the spindle head protection ring A10 until the second air hole 12 and the lower steel sleeve 16 form a gas sealing ring; a dustproof ring 13 is arranged between the steel sleeve 16 and the shaft head sealing cover 17; the oil hole 4 is arranged on the outer side of the first spindle head shell 5, the inner side of the second spindle head shell 9 is provided with a grease hole 14, the oil hole 4 is communicated with the grease hole 14, when the grease pump works, grease comes out from the grease hole 14 through an oil groove arranged in the second spindle head shell 9, a spindle locker 8 is arranged on the inner edge of the outer side of the second spindle head shell 9, a yellow rubber ring 6 is placed between a locking steel frame 7 and the spindle locker 8, and grease forms a grease sealing ring between the spindle locker 8 arranged on the spindle and the second spindle head shell 9; a blue rubber ring 15 is arranged between the second spindle head shell 9 and the shaft locking device 8.

Further, clay conveying equipment includes the churn, and the churn both ends have 3 axles, and the axle head tip department of every axle all is provided with this sealing device.

Further, the first axle head housing 5 is attached at the axle head with locking screws 18 and screws.

The utility model discloses a can make the sealed effect simple structure of axle head along with the sealing device that clay conveying equipment collocation was used, the precision is higher, convenient to use. The performance of the sealing system is obviously improved, so that the clay stirring quality and the working efficiency of workers are improved. The good sealing effect also has a certain effect on the protection of the surrounding environment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a general assembly diagram of the shaft end sealing mode of the present invention.

Fig. 2 is a side view of the shaft end sealing shaft of the present invention.

Fig. 3 is a cross-sectional view of the shaft end seal of the present invention.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the sealing device capable of being used with clay conveying equipment in a matching manner includes a mixing drum, wherein 3 shafts are arranged at two ends of the mixing drum, a bearing gland 2, a first shaft head shell 5 and a second shaft head shell 9 are sequentially arranged at the end part of the shaft end from outside to inside, the left side of the first shaft head shell 5 is connected with the bearing gland 2, the right side of the first shaft head shell 5 is connected with the second shaft head shell 9, a first air hole 3 and an oil hole 4 are arranged at the first shaft head shell 5, and an external air source can enter the shaft end through an air passage. The first air hole 3 is connected with an air source through an air path pipeline, and the oil hole 4 is connected with a grease pump through an oil path pipeline.

As shown in fig. 3, which is a cross-sectional view of a shaft end sealing mode, a yellow glue ring 6, a locking steel frame 7, a shaft end sealing cover 17 and a yellow glue pressing plate 19 are sequentially arranged on the inner side of a second shaft head shell 9 from outside to inside, the yellow glue ring 6 is arranged on the locking steel frame 7, the yellow glue ring 6, the locking steel frame 7, the shaft end sealing cover 17, the yellow glue pressing plate 19 and the second shaft head shell 9 are connected by using a locking screw 18, the second shaft head shell 9 is tightly installed at the shaft ends of 3 shafts at two ends of a mixing drum by using screws, and the formed active sealing prevents clay slurry in the mixing drum from leaking.

As shown in fig. 3, a hammered steel sleeve 16 is installed at a position close to the first axle head shell 5 of each of the 3 axles at the two ends of the mixing drum, an axle head protection ring a10 is clamped on the steel sleeve 16, a second air hole 12 and a ring-shaped groove are arranged on the axle head protection ring a10, and the second air hole 12 is communicated with the ring-shaped groove. When the pressure gas enters the first gas hole 3, the gas passes through the annular groove through the spindle head protective ring A10 until the second gas hole 12 forms a gas sealing ring with the lower steel sleeve 16. The dust ring 13 is arranged between the steel sleeve 16 and the shaft head sealing cover 17, the flowing direction of gas is controlled by the dust ring 13, the gas is prevented from flowing to the outside of the shaft end, and the design can push back the entering clay slurry to achieve the effect of active prevention. The first shaft head shell 5 is connected to the shaft head by the locking screw 18 and the screw, and the parts are tightly pressed, so that the structure installation is tight and good in effect.

As shown in fig. 3, the oil hole 4 is arranged outside the first spindle head housing 5, the grease hole 14 is arranged inside the second spindle head housing 9, the oil hole 4 is communicated with the grease hole 14, when the grease pump works, grease comes out from the grease hole 14 through an oil groove arranged inside the second spindle head housing 9, the shaft locking device 8 is arranged on the inner edge of the outer side of the second spindle head housing 9, the yellow glue ring 6 is placed between the locking steel frame 7 and the shaft locking device 8, and a grease sealing ring is formed between the shaft locking device 8 arranged on the shaft and the second spindle head housing 9. A blue rubber ring 15 is arranged between the second spindle head shell 9 and the shaft locking device 8, so that the movement direction of grease is limited, the grease is prevented from overflowing outwards, and external air and dust are prevented from entering.

By adopting the sealing device, the performance of a sealing system is improved by adopting the active sealing and the two improved auxiliary sealing at the shaft end. And 3 shaft mounting end covers at two ends of the mixing drum adopt an active sealing method, namely a yellow rubber ring is used. In addition, 2 improved active auxiliary seals are adopted, namely: gas seal and oil seal.

The yellow rubber ring is placed between the yellow rubber locking steel frame and the shaft locking device to achieve the effect of leakage prevention.

The gas seal connects a gas source to the end cover, and a special gas channel is arranged at the shaft end. When the air supply is opened, gas enters the mixing drum through the air passage of the end cover, clay slurry in the drum can flow around during mixing, and if the end cover flows to the air hole. The pressure of gas can be released the clay thick liquid this moment, prevents the clay thick liquid outflow voluntarily under the effect of force, plays sealed effect.

The oil seal is a sealing means which connects the grease pump to the end cover, is specially provided with a lubricating oil channel at the shaft end, adopts lithium-based lubricating grease to improve the viscosity of the lubricating oil and increase the resistance of the lubricating oil in a gap, thereby preventing water, dust and particles from entering.

When the equipment works, the external air source and the grease pump at the end cover simultaneously start to work, the sealing of the yellow glue 6 and the two auxiliary sealing of the air and the grease form a shaft end sealing with better sealing performance, and the sealing performance of the equipment can be effectively improved by being arranged at the shaft end along with people and machines.

It is to be understood that while the invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein, and any combination of the various embodiments may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.

Claims (3)

1. The utility model provides a can be along with sealing device that clay conveying equipment collocation was used which characterized in that: the left side of the first shaft head shell is connected with the bearing gland, the right side of the first shaft head shell is connected with the second shaft head shell, a first air hole and an oil hole are formed in the first shaft head shell, an external air source can enter the shaft end through an air channel, the first air hole is connected with the air source through an air channel pipeline, and the oil hole is connected with a grease pump through an oil channel pipeline; the inner side of the second shaft head shell is sequentially provided with a yellow glue ring, a locking steel frame, a shaft head sealing cover and a yellow glue pressing plate from outside to inside, the yellow glue ring is arranged on the locking steel frame, the yellow glue ring, the locking steel frame, the shaft head sealing cover, the yellow glue pressing plate and the second shaft head shell are connected by using locking screws, and the second shaft head shell is tightly arranged at the shaft ends of root shafts at the two ends of the mixing drum by using screws; a steel sleeve which is knocked in is arranged on each shaft of the shafts at the two ends of the mixing drum, which is close to the first shaft head shell, a shaft head protection ring A is clamped on the steel sleeve, a second air hole and an annular groove are formed in the shaft head protection ring A, and the second air hole is communicated with the annular groove; when pressure gas enters the first air hole, the gas passes through the annular groove through the shaft head protection ring A until the second air hole and a steel sleeve below form a gas sealing ring; a dustproof ring is arranged between the steel sleeve and the shaft head sealing cover; the oil hole is formed in the outer side of the first shaft head shell, the oil hole is formed in the inner side of the second shaft head shell and communicated with the oil hole, when the oil pump works, oil flows out of the oil hole through an oil groove formed in the inner portion of the second shaft head shell, the shaft locking device is arranged on the inner edge of the outer side of the second shaft head shell, the yellow rubber ring is placed between the locking steel frame and the shaft locking device, and the oil forms an oil sealing ring between the shaft locking device mounted on the shaft and the second shaft head shell; a blue rubber ring is arranged between the second spindle head shell and the shaft locking device.

2. The sealing device of claim 1, wherein: the clay conveying equipment comprises a mixing drum, wherein 3 shafts are arranged at two ends of the mixing drum, and the sealing device is arranged at the end part of the shaft end of each shaft.

3. A sealing device according to claim 1 or 2, wherein: the shell of the shaft head is connected with the shaft head by locking screws and screws.

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