CN218882821U

CN218882821U - Totally-enclosed coupling cover applied to chemical centrifugal pump

Info

Publication number: CN218882821U
Application number: CN202223217394.5U
Authority: CN
Inventors: 孙丽君; 张荔; 张建; 白国鑫
Original assignee: Dalian Leo Huaneng Pump Co ltd
Current assignee: Dalian Leo Huaneng Pump Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-18
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses be applied to totally closed coupler cover of chemical centrifugal pump relates to chemical industry auxiliary assembly technical field, especially relates to a totally closed shaft coupling safety cover that is applied to dismantling, bearing capacity is strong of chemical centrifugal pump. The two ends of the front plate and the rear plate of the utility model are respectively fixedly connected with the front part and the rear part of the two brackets through rivets, and the side plate of the pump end and the side plate of the motor end are respectively arranged at the side ends of the two brackets through rivets to form a frame structure with two open sides; the top of the rear plate is provided with an upper cover through a hinge, and the upper cover is covered through a butterfly nut and a gasket; the upper part of the pump end side plate is provided with a pump end bending upper plate; the upper part of the motor end side plate is provided with a motor end bending upper plate. The technical scheme of the utility model solved structure non-closed among the prior art, rotatory position exposes, the rigidity is not enough, bearing capacity is poor, dismantle difficulty, the inconvenient scheduling problem of equipment maintenance.

Description

Totally-enclosed coupling cover applied to chemical centrifugal pump

Technical Field

The utility model discloses be applied to totally closed coupler cover of chemical centrifugal pump relates to chemical industry auxiliary assembly technical field, especially relates to a totally closed shaft coupling safety cover that is applied to dismantling, bearing capacity is strong of chemical centrifugal pump.

Background

The coupling cover is suitable for running equipment with coupling transmission, and is particularly applied to the field of chemical pumps.

At present, a coupling cover applied to the coupling is of a non-totally-enclosed structure, and radial gaps at rotating parts at a pump end and a motor end are large, so that the rotating parts are exposed, and great potential safety hazards are caused to field operation; in addition, the non-totally-enclosed shaft coupling cover has a single framework and is mostly in a direct welding structure with the engine base, so that the problems of insufficient pressure bearing capacity, easiness in damage, instability in operation of equipment, difficulty in disassembly, inconvenience in maintenance of the equipment and the like are caused.

Aiming at the problems in the prior art, a novel totally-enclosed coupling cover applied to a chemical centrifugal pump is researched and designed, so that the problem in the prior art is very necessary to be overcome.

Disclosure of Invention

According to the technical problems of non-closed structure, exposed rotating part, insufficient rigidity, poor pressure bearing capacity, difficult disassembly, inconvenient equipment maintenance and the like in the prior art, the totally-closed coupling cover applied to the chemical centrifugal pump is provided. The utility model mainly utilizes the arrangement of the bent upper plate and the bent side plate to achieve a totally-enclosed structure; the stability is increased by using the bracket; the openable upper cover is convenient for equipment inspection and maintenance; the movable connection of the bracket and the fixing plate is utilized to realize the integral disassembly.

The utility model discloses a technical means as follows:

the utility model provides a be applied to totally closed coupling cover of chemical centrifugal pump wholly for both sides are open, and the top has the N type structure of uncapping on, includes: the device comprises a bracket, a coaming assembly, an upper cover, a hinge, a butterfly nut and a gasket;

furthermore, two supports are arranged, and the shape of each support is an N-shaped support body;

furthermore, enclosing plate assemblies are fixedly arranged outside the two brackets to form a frame structure with two open sides;

further, the top of the support is provided with an upper cover through a hinge, and the upper cover is covered through a butterfly nut and a washer.

Further, the shroud assembly includes: the device comprises a front plate, a pump end side plate, a motor end side plate and a rear plate;

furthermore, two ends of the front plate and the rear plate are respectively fixedly connected with the front part and the rear part of the two brackets through rivets;

further, the pump end side plate and the motor end side plate are respectively arranged at the side ends of the two brackets through rivets.

Furthermore, the upper part of the pump end side plate is provided with a pump end bending upper plate;

furthermore, the upper part of the side plate at the end of the motor is provided with a motor end bending upper plate;

furthermore, the side face of the pump end side plate, the pump end bending upper plate, the motor end side plate and the motor end bending upper plate is sealed to the maximum extent, and all rotating parts of the equipment can be covered.

Furthermore, the rear end of the upper cover is arranged on the upper part of the rear plate through a hinge;

furthermore, the front end of upper cover is provided with U type opening, and cooperation butterfly nut and packing ring are fixed the upper cover.

Furthermore, the upper cover is provided with a handle, so that the upper cover can be conveniently opened and closed for use.

Furthermore, the bottom of the bracket is connected with a fixed plate arranged on the base through a bolt to fix the whole structure.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides a totally closed shaft coupling cover, the side sets up pump end curb plate, motor end curb plate, the upper plate of bending of pump end, the upper plate of bending of motor end, and the at utmost closed side exposes the part, can satisfy the booth clearance requirement with left and right sides equipment, and the security improves when making the field device operation to waterproof dustproof that can be better has played certain guard action to equipment.

2. The utility model provides a totally closed coupling cover utilizes the fixed stay effect of support, and the rigidity reinforcing satisfies the pressure-bearing requirement of relevant standard to the coupling cover to contact rotating member when avoiding the load in the certain limit.

3. The utility model provides a totally closed coupling cover, upper cover are opened there is U type groove, can realize opening and shutting through butterfly nut and packing ring to be equipped with the handle, convenient operation can overhaul under the condition of not dismantling, work such as barring.

4. The utility model provides a totally closed coupling cover, support and the fixed plate active connection of welding on the base, at assembly or on-the-spot operation in-process, can dismantle as required completely.

To sum up, use the technical scheme of the utility model the structure among the prior art is unsealed, rotatory position exposes, the rigidity is not enough, bearing capacity is poor, dismantle difficulty, the inconvenient scheduling problem of equipment maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of FIG. 1 in the direction of P;

FIG. 3 is a schematic view of the direction of M in FIG. 1;

FIG. 4 is a schematic view of the assembly application of the present invention;

FIG. 5 is a schematic view of FIG. 4P;

fig. 6 is a schematic view of fig. 4M.

In the figure: 1. the motor end bending device comprises a fixed plate 2, a front plate 3, a pump end side plate 4, a motor end bending upper plate 5, a bracket 6, an upper cover 7, a handle 8, a hinge 9, a butterfly nut 10, a gasket 11, a pump end bending upper plate 12, a motor end side plate 13 and a rear plate;

phi P, the diameter of the upper plate bent at the pump end;

phi M, the diameter of the upper plate bent at the motor end;

phi Z, the maximum application diameter of the pump end bearing component;

phi J, the diameter of a shaft shoulder at the end of the motor;

phi JL, the diameter of a motor end coupling;

phi ZL, pump end coupling diameter;

phi D, the diameter of the upper cover.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over ...,"' over ...upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at ...above" may include both orientations "at ...above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-3, the utility model provides a totally closed coupling cover for chemical centrifugal pump, include: the motor end bending device comprises a fixed plate 1, a front plate 2, a pump end side plate 3, a motor end bending upper plate 4, a bracket 5, an upper cover 6, a handle 7, a hinge 8, a butterfly nut 9, a gasket 10, a pump end bending upper plate 11, a motor end side plate 12 and a rear plate 13; the front plate 2, the rear plate 13, the pump end side plate 3 and the motor end side plate 12 are all fixed with the bracket 5 through rivets, one side of the upper cover 6 is fixed with the rear plate 13 through a hinge 8, the other side of the upper cover is opened and closed through a butterfly nut 9 and a gasket 10, and the pump end bending upper plate 11 and the motor end bending upper plate 4 are respectively fixed with the pump end side plate 3 and the motor end side plate 12.

As shown in fig. 4-6, the diameter phip of the pump end bending upper plate 11 is determined according to the maximum application diameter phiz of the pump end bearing component and the diameter phizl of the pump end coupling, the maximum application diameter phip of the pump end bending upper plate and the diameter phizl of the pump end coupling are taken as large values, and an assembly allowance is reserved, so that the distance between the coupling cover and the bearing component is ensured to be reduced to the maximum extent on the premise of no interference; the diameter phi M of the motor end bending upper plate 4 is determined according to the diameter phi J of the motor shaft shoulder and the diameter phi JL of the motor end coupler, the two are taken as large values, and assembly allowance is reserved, so that the distance between the coupler cover and the motor is guaranteed to be reduced to the maximum extent on the premise of no interference.

As shown in fig. 1-3, one side of the upper cover 6 is connected with the back plate 13 through a hinge 8, one side is provided with a U-shaped groove, the upper cover is connected with the bracket 5 through a butterfly nut 9 and a gasket 10, and a handle 7 is arranged on the upper cover; the butterfly nut is loosened, the handle is held by hand, and the upper cover 6 can be opened for inspection and maintenance; the handle is put down, the butterfly nut is screwed, and the upper cover 6 is closed.

As shown in fig. 1 to 3, the front plate 2 and the rear plate 13 are fixed to the bracket 5, and the upper cover 6 is supported by the bracket 5, so that the upper cover does not shake and touch the rotating member when receiving a pressure within a certain range.

As shown in fig. 1-3, the bracket 5 is fixed on the fixing plate 1 through bolts, the fixing plate 1 is welded on the equipment base, and the whole disassembly can be completed by loosening the bolts.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. The utility model provides a be applied to totally closed coupling cover of chemical centrifugal pump which characterized in that:

be applied to totally closed coupling cover of chemical centrifugal pump whole open for both sides, the top has the N type structure of uncapping on, include: the device comprises a support (5), a coaming assembly, an upper cover (6), a hinge (8), a butterfly nut (9) and a gasket (10);

the number of the brackets (5) is two, and the brackets are N-shaped brackets;

the external parts of the two brackets (5) are fixedly provided with coaming components to form a frame structure with two open sides;

the top of the support (5) is provided with an upper cover (6) through a hinge (8), and the upper cover (6) is covered through a butterfly nut (9) and a gasket (10).

2. The totally-enclosed coupling cover applied to the chemical centrifugal pump as claimed in claim 1, wherein:

the coaming assembly comprises: a front plate (2), a pump end side plate (3), a motor end side plate (12) and a rear plate (13);

two ends of the front plate (2) and the rear plate (13) are respectively fixedly connected with the front part and the rear part of the two brackets (5) through rivets;

the pump end side plate (3) and the motor end side plate (12) are respectively arranged at the side ends of the two brackets (5) through rivets.

3. The totally-enclosed coupling cover applied to the chemical centrifugal pump as claimed in claim 2, wherein:

the upper part of the pump end side plate (3) is provided with a pump end bending upper plate (11);

the upper part of the motor end side plate (12) is provided with a motor end bending upper plate (4);

the pump end side plate (3), the pump end bent upper plate (11), the motor end side plate (12) and the motor end bent upper plate (4) form side surface maximum sealing and can cover all rotating parts of equipment.

4. The totally-enclosed coupling cover applied to a chemical centrifugal pump according to claim 1, wherein:

the rear end of the upper cover (6) is arranged on the upper part of the rear plate (13) through a hinge (8);

the front end of the upper cover (6) is provided with a U-shaped opening, and the upper cover (6) is fixed by matching with a butterfly nut (9) and a gasket (10).

5. The fully-closed coupling cover applied to the chemical centrifugal pump as claimed in claim 4, wherein:

the upper cover (6) is provided with a handle (7) which is convenient for the upper cover (6) to open and close.

6. The totally-enclosed coupling cover applied to the chemical centrifugal pump as claimed in claim 2, wherein:

the bottom of the bracket (5) is connected with a fixed plate (1) arranged on the base through a bolt to fix the whole structure.