CN219133324U - Multifunctional spiral dehydrator - Google Patents

Abstract

The utility model relates to the technical field of sand spiral dehydrators, in particular to a multifunctional spiral dehydrator, which comprises: the screw conveyor, the screw rod, the underwater bearing assembly, the motor, the heightening frame and the oil bottle are rotatably arranged on the screw conveyor and used for pushing materials from low to high; the underwater bearing assembly is arranged on the screw conveyor and is connected with the screw rod; the motor is mounted on the screw conveyor and is remote from the other side of the underwater bearing assembly. According to the utility model, in the rotating process of the shaft lever, the spring always pushes the mechanical sealing sheet, so that the mechanical sealing sheet is attached to the mechanical sealing static sheet, and only the mechanical sealing static sheet rotates to rub with the mechanical sealing sheet when the mechanical sealing static sheet rotates, and the bearing does not rub, so that when the component is excessively worn, the shaft sleeve does not rub and is not worn, but the friction between the mechanical sealing sheet and the mechanical sealing static sheet generates wear, namely, only the mechanical sealing sheet is needed to be replaced, the shaft sleeve does not need to be replaced, the maintenance cost is reduced, and the tightness is stronger.

Description

Multifunctional spiral dehydrator

Technical Field

The utility model relates to the technical field of sand spiral dehydrators, in particular to a multifunctional spiral dehydrator.

Background

Screw dehydrators are common dehydration devices that transport dehydrated material through a rotating screw rod and through a continuously rising space, separate the material for dehydration, with water being discharged through a drain hole in the drum. However, the existing screw dehydrator has the following defects:

1. the screw shaft of a conventional screw extractor on the market is connected with a bearing, which must be watertight on the screw shaft in order to be able to work properly. Because if water permeates onto the bearing for a long time, the lubrication effect is easily affected, and even the lubrication effect is possibly gradually deteriorated, the lubrication effect can be developed into pitting, flaking and the like, and the service performance of the bearing is affected. In the prior art, the shaft sleeve is adopted to seal the shaft rod, then the shaft rod rotates with the shaft sleeve, the shaft sleeve directly rotates and rubs with the end cover, when the abrasion is excessive, the shaft sleeve needs to be replaced, the replacement cost is high, and the replacement is also troublesome;

2. the underwater bearing used by the spiral dehydrator has no water leakage overhauling prompt function, the underwater bearing is overhauled in a fixed time period after working, or the underwater bearing is worn and damaged for a long time and then is found to be needed to be overhauled after faults occur, so that the whole underwater bearing is needed to be replaced due to the fact that each damaged fault cannot be found in time, and therefore larger cost is consumed and parts are wasted.

Disclosure of Invention

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and the appended drawings.

The utility model aims to overcome the defects and provide a multifunctional spiral dehydrator.

In order to achieve the above object, the technical solution of the present utility model is: a multi-functional screw dehydrator comprising: the screw conveyor, the screw rod, the underwater bearing assembly, the motor, the heightening frame and the oil bottle are rotatably arranged on the screw conveyor and used for pushing materials from low to high; the underwater bearing assembly is arranged on the screw conveyor and is connected with the screw rod; the motor is arranged on the other side of the screw conveyor, which is far away from the underwater bearing assembly; the heightening frame is arranged on one side of the screw conveyor, which is close to the underwater bearing assembly; the oil bottle is arranged on the upper side of the heightening frame and is connected with the underwater bearing assembly through a hose; the underwater bearing assembly comprises a shaft rod, a shaft sleeve, a mechanical sealing static piece, an O-shaped rubber ring, a mechanical sealing moving piece, a front end cover, a bearing seat, a rear end cover, a bearing and a spring, wherein one side of the shaft rod penetrates through the shaft sleeve to be embedded into the bearing seat, the shaft rod is in interference fit with the bearing in the bearing seat, an outer ring of the shaft sleeve is attached to the mechanical sealing static piece, the mechanical sealing moving piece is propped against the mechanical sealing static piece through the spring, the spring is located on the front end cover, the front end cover is fixed on the front side of the bearing seat, the rear end cover is fixed on the rear side of the bearing seat, and the O-shaped rubber ring is arranged between the shaft rod and the shaft sleeve, between the shaft sleeve and the mechanical sealing static piece and between the mechanical sealing moving piece.

Preferably, O-shaped rubber rings are arranged between the mechanical sealing sheets and the front end cover, between the front end cover and the bearing seat, and between the bearing seat and the rear end cover.

Preferably, the mechanical seal static piece and the mechanical seal dynamic piece are made of PE.

Preferably, the side of the shaft remote from the bearing is connected to a screw.

Preferably, the mechanical sealing sheet is provided with a mounting groove for accommodating the spring, and a shaft pin for straight movement of the spring is connected in the mounting groove or on the front end cover.

Preferably, the shaft sleeve is fixedly connected with the mechanical sealing static piece through a positioning key, the positioning key comprises a clamping groove and a clamping rod, the clamping groove is positioned on the shaft sleeve, the clamping rod is positioned on the mechanical sealing static piece, and the clamping rod is clamped with the clamping groove.

Preferably, a chamfer structure is arranged at the lower side of one end, close to the mechanical sealing static piece, of the mechanical sealing dynamic piece.

Preferably, a screw is arranged at the joint of the hose and the bearing seat, the screw is screwed on an oiling screw hole of the bearing seat, and a hole for the hose to penetrate into the bearing seat is formed in the screw in a penetrating mode.

Preferably, the heightening frame is internally provided with an upright post, and the hose is fixed on the upright post through a plurality of nylon belts.

Preferably, one side of the screw conveyor, which is close to the underwater bearing assembly, is low, one side of the screw conveyor, which is far away from the underwater bearing assembly and is close to the motor, is high, and a graduated scale which is convenient for checking the oil level is arranged on the oil bottle.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, in the rotating process of the shaft lever, the spring always pushes the mechanical sealing sheet, so that the mechanical sealing sheet is attached to the mechanical sealing static sheet, and only the mechanical sealing static sheet rotates to rub with the mechanical sealing sheet when rotating, and the bearing does not rub, so that when the component is excessively worn, the shaft sleeve does not rub and is not worn, but the friction between the mechanical sealing sheet and the mechanical sealing static sheet generates wear, namely, only the mechanical sealing sheet is required to be replaced, the shaft sleeve does not need to be replaced, the maintenance cost is reduced, and the tightness is stronger;

2. the oil bottle is always positioned above the screw conveyor through the heightening frame, so that the hose is continuously added with lubricating oil into the bearing seat, when excessive leakage of abrasion occurs between the mechanical sealing sheet and the mechanical sealing static sheet, as the oil bottle is positioned at a high position and higher than the water surface of the screw conveyor, the oil pressure in the bearing seat is higher than the external water pressure, so that sand water cannot flow into the bearing seat through an abrasion leakage gap, at the moment, the oil bottle is continuously filled with the oil into the bearing seat, the oil with high water pressure flows out from the abrasion excessive leakage gap until the oil floats out of the water surface, a worker can know whether the underwater bearing sleeve is good or bad by checking whether the oil level of the oil bottle changes or whether the oil bloom occurs on the water surface, and therefore, the situation that whether the underwater bearing needs to be overhauled or not can be known from the outer side of the water surface can be obtained, and timely prompt of the oil level can timely discover the abrasion degree of the underwater bearing, and the effect of preventing the bearing sleeve from leakage and the sand water from flowing into the sleeve to be contacted with the internal bearing to be damaged can be achieved.

To sum up to screw hydroextractor can realize the excessive suggestion of bearing assembly wearing and tearing under water, also can realize not having to change the maintenance bearing of axle sleeve, and the functionality is more, and the operation is more convenient, and it is also more convenient to maintain the maintenance, and the practicality is higher.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that these and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the utility model, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a multifunctional screw dehydrator according to the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of a multifunctional screw dehydrator according to the present utility model;

FIG. 3 is a schematic view of the structure of the underwater bearing assembly of the present utility model.

The main reference numerals illustrate: screw conveyor-1, screw rod-2, underwater bearing assembly-3, motor-4, height increasing frame-5, oil bottle-6, hose-7, column-8, shaft rod-301, shaft sleeve-302, mechanical seal static piece-303, O-shaped rubber ring-304, mechanical seal dynamic piece-305, front end cover-306, bearing seat-307, rear end cover-308, bearing-309, spring-310, positioning key-311, screw-312.

Detailed Description

The following will describe embodiments of the present utility model in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present utility model, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that, as long as no conflict is formed, each embodiment of the present utility model and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present utility model.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced without some of these specific details or in the specific manner described herein.

Referring to fig. 1-3, the present utility model provides a multifunctional screw dehydrator, comprising: screw conveyor 1, screw rod 2, underwater bearing assembly 3, motor 4, increase frame 5, oil bottle 6, screw rod 2 rotatably sets up in screw conveyor 1 and is used for pushing the material from low to high; the underwater bearing assembly 3 is mounted on the screw conveyor 1 and connected with the screw rod 2; a motor 4 is mounted on the other side of the screw conveyor 1 and remote from the underwater bearing assembly 3; the height increasing frame 5 is arranged on one side of the screw conveyor 1 close to the underwater bearing assembly 3; the oil bottle 6 is arranged on the upper side of the height increasing frame 5 and is connected with the underwater bearing assembly 3 through a hose 7; the underwater bearing assembly 3 comprises a shaft 301, a shaft sleeve 302, a mechanical seal static piece 303, an O-shaped rubber ring 304, a mechanical seal static piece 305, a front end cover 306, a bearing seat 307, a rear end cover 308, a bearing 309 and a spring 310, wherein one side of the shaft 301 penetrates through the shaft sleeve 302 to be embedded into the bearing seat 307, the shaft 301 is in interference fit with the bearing 309 in the bearing seat 307, the outer ring of the shaft sleeve 302 is attached to the mechanical seal static piece 303, the mechanical seal static piece 305 is propped against the mechanical seal static piece 303 through the spring 310, the spring 310 is positioned on the front end cover 306, the front end cover 306 is fixed on the front side of the bearing seat 307, the rear end cover 308 is fixed on the rear side of the bearing seat 307, and the O-shaped rubber ring 304 is arranged between the shaft 301 and the shaft sleeve 302, the shaft sleeve 302 and the mechanical seal static piece 303 and the mechanical seal static piece 305.

According to some embodiments of the present application, optionally, an O-ring 304 is disposed between the mechanical seal plate 305 and the front end cover 306, between the front end cover 306 and the bearing housing 307, and between the bearing housing 307 and the rear end cover 308. With all fittings with O-ring 304 between them, it increases the tightness against water seepage and hits the inner bearing 309.

According to some embodiments of the present application, optionally, the mechanical seal static plate 303 and the mechanical seal dynamic plate 305 are made of PE. When the shaft rod 301 rotates with the shaft sleeve 302, the shaft sleeve 302 rotates with the mechanical seal static piece 303, the mechanical seal static piece 303 rotates with the mechanical seal dynamic piece 305 in friction, the shaft rod 301 rotates slowly when driven by the screw rod 2, so that the PE material has a wear-resisting effect when the mechanical seal dynamic piece 305 rotates, and the service life is longer.

According to some embodiments of the present application, optionally, the side of shaft 301 remote from bearing 309 is connected to screw 2. The screw rotates with the shaft 301, and the shaft 301 rotates with an interference fit under the action of the bearing 309.

According to some embodiments of the present application, optionally, the mechanical seal piece 305 is provided with a mounting groove for accommodating the spring 310, and a shaft pin for straight movement of the spring 310 is connected to the mounting groove or the front end cover 306. When the spring 310 pushes the mechanical seal piece 305, the shaft pin limits the expansion deformation direction of the spring 310, so that the mechanical seal piece 305 pushes the mechanical seal static piece 303 straightly, and the mechanical seal static piece 303 is attached to the mechanical seal piece 305.

According to some embodiments of the present application, optionally, the shaft sleeve 302 is fixedly connected with the mechanical seal static piece 303 through a positioning key 311, the positioning key 311 includes a clamping groove and a clamping rod, the clamping groove is located on the shaft sleeve 302, the clamping rod is located on the mechanical seal static piece 303, and the clamping rod is clamped with the clamping groove. The clamping rod is clamped into the clamping groove, so that the shaft sleeve 302 is fixedly connected with the mechanical seal static piece 303, and the mechanical seal static piece 303 rotates along with the shaft rod 301 when the shaft sleeve 302 rotates.

According to some embodiments of the present application, optionally, a chamfer structure is disposed on an underside of an end of the mechanical seal stationary plate 303 proximate to the mechanical seal moving plate 305. The chamfer structure rotates for one circle to form a triangular groove, so that the chamfer structure has the function of collecting abrasion waste between the mechanical seal static piece 303 and the mechanical seal dynamic piece 305 and storing dirt.

According to some embodiments of the present application, optionally, a screw 312 is disposed at the connection between the hose 7 and the bearing seat 307, the screw 312 is screwed on the oil injection screw hole of the bearing seat 307, and a hole for the hose 7 to penetrate into the bearing seat 307 is formed in the screw 312. The screw 312 is firstly locked into the oiling screw hole, then the hose 7 is inserted into the hole of the screw 312, the inner wall of the hole is provided with internal threads, the oil outlet end of the hose 7 is locked through the hole of the screw 312, and the hose 7 is effectively prevented from falling off from the bearing seat 307.

According to some embodiments of the application, optionally, a column 8 is arranged in the height-increasing frame 5, and the hose 7 is fixed on the column 8 through a plurality of nylon belts. The middle section of the hose 7 is fixed on the upright post 8 through the nylon belt, so that the hose 7 is straighter, an oil way is smoother, meanwhile, the hose 7 is fixed, the hose 7 plays a role of being difficult to shake in the process of the screw conveyor 1, the hose 7 is connected more stably, and the oil way is continuous.

According to some embodiments of the present application, optionally, the side of the screw conveyor 1 close to the underwater bearing assembly 3 is low, the side far away from the underwater bearing assembly 3 and close to the motor 4 is high, sand water and sand grains are transported from the low side close to the screw conveyor 1 to the high side, and the sand water and sand grains are separated in the process. Be provided with the scale of being convenient for look over the oil level on the oil bottle 6, have the personnel of being convenient for and look over whether the oil level of oil bottle 6 takes place to change by a wide margin.

When the screw conveyor 1 is used by an operator, the motor 4 drives the screw rod 2 to rotate, the shaft rod 301 rotates together under the action of the bearing 309, the shaft sleeve 302 is mounted on the shaft rod 301 to rotate together, and the shaft sleeve 302 rotates with the mechanical seal piece 303 under the action of the positioning key 311. In the rotation process, the spring 310 always pushes the mechanical seal piece 305, so that the mechanical seal piece 305 is attached to the mechanical seal piece 303, and when the mechanical seal piece 303 rotates, only rotates and rubs with the mechanical seal piece 305, the shaft sleeve 302 does not rub, and therefore, when the assembly is excessively worn, only the mechanical seal piece 303 needs to be replaced. The spiral rod 2 pushes materials when rotating, firstly sand grains needing sand-water separation are guided into the spiral conveyor 1, the spiral rod 2 rotates to push the sand grains from low to high, water flows back to the low in the pushing process, and the sand grains are separated from the sand grains at high to finish dehydration treatment of the sand grains. The oil bottle 6 is always located above the screw conveyor 1 through the heightening frame 5, so that the hose 7 continuously adds lubricating oil into the bearing seat 307, when the mechanical seal static piece 303 and the mechanical seal moving piece 305 excessively leak due to abrasion, the oil pressure in the bearing seat 307 is higher than the water pressure of the outside because the oil bottle 6 is located at a high position and higher than the water surface of the screw conveyor 1, so that sand water cannot flow into the bearing seat 307 through the abraded and leaked gap, at the moment, the oil bottle 6 continuously fills oil into the bearing seat 307, the oil with high water pressure flows out from the abraded and leaked gap until the oil floats out of the water surface, and workers can know whether the underwater bearing assembly 3 needs excessive abrasion maintenance or not by checking whether the oil level of the oil bottle 6 changes or whether the oil bloom appears on the water surface. The screw dehydrator can realize the excessive wear indication of the underwater bearing assembly 3 and the maintenance bearing without replacing the shaft sleeve 302.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims (10)

1. A multi-functional screw dehydrator, comprising:

a screw conveyor (1);

a screw (2) rotatably arranged on the screw conveyor (1) and used for pushing materials from low to high;

-an underwater bearing assembly (3) mounted on the screw conveyor (1) and connected to the screw rod (2);

a motor (4) mounted on the other side of the screw conveyor (1) and remote from the underwater bearing assembly (3);

a height increasing frame (5) which is arranged on one side of the screw conveyor (1) close to the underwater bearing assembly (3);

an oil bottle (6) which is arranged on the upper side of the heightening frame (5) and is connected with the underwater bearing assembly (3) through a hose (7); wherein,,

the underwater bearing assembly (3) comprises a shaft rod (301), a shaft sleeve (302), a mechanical seal static piece (303), an O-shaped rubber ring (304), a mechanical seal moving piece (305), a front end cover (306), a bearing seat (307), a rear end cover (308), a bearing (309) and a spring (310), wherein one side of the shaft rod (301) penetrates through the shaft sleeve (302) to be embedded into the bearing seat (307), the shaft rod (301) is in interference fit with the bearing (309) in the bearing seat (307), an outer ring of the shaft sleeve (302) is attached to the mechanical seal static piece (303), the mechanical seal moving piece (305) is propped against the mechanical seal static piece (303) through the spring (310), the spring (310) is located on the front end cover (306), the front end cover (306) is fixed on the front side of the bearing seat (307), the rear end cover (308) is fixed on the rear side of the bearing seat (307), and the O-shaped rubber ring (304) is arranged between the shaft rod (301) and the shaft sleeve (302), the shaft sleeve (302) and the mechanical seal static piece (303), and the mechanical seal moving piece (305).

2. A multi-function screw dehydrator according to claim 1, wherein: o-shaped rubber rings (304) are arranged between the mechanical sealing piece (305) and the front end cover (306), between the front end cover (306) and the bearing seat (307), and between the bearing seat (307) and the rear end cover (308).

3. A multi-function screw dehydrator according to claim 1, wherein: the mechanical seal static piece (303) and the mechanical seal dynamic piece (305) are made of PE.

4. A multi-function screw dehydrator according to claim 1, wherein: the side of the shaft (301) remote from the bearing (309) is connected to the screw (2).

5. A multi-function screw dehydrator according to claim 1, wherein: the mechanical sealing sheet (305) is provided with a mounting groove for accommodating the spring (310), and a shaft pin for straight movement of the spring (310) is connected in the mounting groove or on the front end cover (306).

6. A multi-function screw dehydrator according to claim 1, wherein: the shaft sleeve (302) is fixedly connected with the mechanical sealing static piece (303) through a positioning key (311), the positioning key (311) comprises a clamping groove and a clamping rod, the clamping groove is positioned on the shaft sleeve (302), the clamping rod is positioned on the mechanical sealing static piece (303), and the clamping rod is clamped with the clamping groove.

7. A multi-function screw dehydrator according to claim 1, wherein: a chamfer structure is arranged at the lower side of one end, close to the mechanical sealing static piece (303), of the mechanical sealing moving piece (305).

8. A multi-function screw dehydrator according to claim 1, wherein: the connection part of the hose (7) and the bearing seat (307) is provided with a screw (312), the screw (312) is screwed on an oiling screw hole of the bearing seat (307), and a hole for the hose (7) to penetrate into the bearing seat (307) is formed in the screw (312).

9. A multi-function screw dehydrator according to claim 1, wherein: an upright post (8) is arranged in the heightening frame (5), and the hose (7) is fixed on the upright post (8) through a plurality of nylon belts.

10. A multi-function screw dehydrator according to claim 1, wherein: one side of the screw conveyor (1) close to the underwater bearing assembly (3) is a low position, one side of the screw conveyor, which is far away from the underwater bearing assembly (3) and close to the motor (4), is a high position, and a graduated scale which is convenient for checking the oil level is arranged on the oil bottle (6).

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