CN218690654U - Screw rotor shaft bumper protective sleeve - Google Patents

Abstract

The application relates to a screw rotor shaft bumper protective sleeve which comprises a screw rotor, a first protective sleeve, a second protective sleeve and a hook piece, wherein the screw rotor is provided with a first end and a second end which are oppositely arranged, and the end part of the first end is provided with an internal thread hole; two ends of the first protective sleeve are of opening structures and are used for being sleeved on the first end; at least one end of the second protective sleeve is of an opening structure and is sleeved on the second end; the one end of hook spare is the threaded rod, and the other end is lifting hook portion, and the threaded rod can pass first protective sheath and with internal thread hole threaded connection. Screw rotor axle shelves protective sheath in this application need not to utilize paper or winding membrane to add the sticky tape, labour saving and time saving and repeatedly usable, and on the other hand, because hook member's threaded rod can pass first protective sheath and with internal thread hole threaded connection, consequently can be in the same place screw rotor and hook member installation, conveniently hoist whole screw rotor to make things convenient for screw rotor's spraying or sandblast.

Description

Screw rotor shaft bumper protective sleeve

Technical Field

The application relates to the field of screw rotors, in particular to a screw rotor shaft bumper protective sleeve.

Background

In a screw compressor, a screw rotor is an important component, and after a series of processes such as cutting and grinding, the surface of the screw rotor needs to be sprayed with a wear-resistant and corrosion-resistant material or sandblasted for better performance.

Because the screw rotor is when the spraying or sandblast, need protect the axle shelves at the both ends of rotor, prevent to cause the damage to it in the course of working.

In the related art, paper or a winding film and an adhesive tape are originally adopted to protect the screw rotor shaft bumper, but the method is complicated to operate, is easy to damage and poor in sealing performance, cannot be reused, and is excessively consumed in a large batch.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a screw rotor shaft bumper protective sheath to solve complex operation among the correlation technique, and easy damaged leakproofness is poor, but used repeatedly, when meetting big batch, consume too big technical problem.

A screw rotor shaft bumper protective sleeve is provided, including:

the screw rotor is provided with a first end and a second end which are oppositely arranged, and the end part of the first end is provided with an internal threaded hole;

the two ends of the first protective sleeve are of opening structures and are sleeved on the first end;

the second protective sleeve is provided with at least one end which is of an opening structure and is used for being sleeved on the second end;

the hook piece, hook piece's one end is the threaded rod, and the other end is lifting hook portion, the threaded rod can pass first protective sheath and with internal thread hole threaded connection.

In some embodiments, the device further comprises a nut and a washer, wherein the nut and the washer can be sleeved on the threaded rod and used for pressing the first protection sleeve on the first end.

In some embodiments, the first protective sheath tapers in outer diameter toward a portion of the first end.

In some embodiments, the second protective sheath tapers in outer diameter in a portion toward the second end.

In some embodiments, the second protective sheath has a closed structure at one end and an open structure at the other end.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a screw rotor shaft bumper protective sheath, owing to establish respectively at screw rotor's both ends through first protective sheath and second protective sheath, need not to utilize paper or winding membrane and sticky tape, labour saving and time saving and repeatedly usable, on the other hand, because hook member's threaded rod can pass first protective sheath and with internal thread hole threaded connection, consequently can be in the same place screw rotor and lifting hook spare are installed, conveniently hoist whole screw rotor to make things convenient for screw rotor's spraying or sandblast.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is a schematic structural view of a second protective sheath provided in accordance with an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a first protection sleeve according to an embodiment of the present application.

In the figure: 1. a screw rotor; 2. an internally threaded bore; 3. a first protective sheath; 4. a second protective cover; 5. a hook member; 6. a nut; 7. and (7) a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a screw rotor shaft gear protective sheath, complex operation in it can solve the correlation technique, and easy damaged leakproofness is poor, but used repeatedly, when meetting big batch, consumes too big technical problem.

In order to solve the technical problem, the application provides a screw rotor shaft bumper protective sleeve which comprises a screw rotor 1, a first protective sleeve 3, a second protective sleeve 4 and a hook piece 5, wherein the screw rotor 1 is provided with a first end and a second end which are oppositely arranged, and the end part of the first end is provided with an internal thread hole 2; two ends of the first protective sleeve 3 are of an opening structure and are used for being sleeved on the first end; at least one end of the second protective sleeve 4 is of an opening structure and is sleeved on the second end; one end of the hook piece 5 is a threaded rod, the other end of the hook piece is a hook part, and the threaded rod can pass through the first protection sleeve 3 and be in threaded connection with the internal threaded hole 2.

In this application, first protective sheath 3 and second protective sheath 4 are metal material and make, and the size of first protective sheath 3 and the design of second protective sheath 4 all with the laminating of screw rotor 1's first end and second end, avoid when the spraying with the sandblast, first protective sheath 3 and second protective sheath 4 rock to influence the quality of spraying or sandblast.

Referring to fig. 1 and 2, after the screw rotor is installed, the first protective sleeve 3 is sleeved at the first end of the screw rotor 1, the second protective sleeve 4 is sleeved at the second end of the screw rotor 1, and the two ends of the first protective sleeve 3 are of the opening structures, and the end part of the first end is provided with the internal thread hole 2, so that the threaded rod can pass through the first protective sleeve 3 and be in threaded connection with the internal thread hole 2, and the hook part can be hung on the bracket, so that the screw rotor 1 can be conveniently sprayed or sandblasted.

In the above process, the first protective sleeve 3 and the second protective sleeve 4 are directly sleeved on the two ends of the screw rotor 1, so that the screw rotor can be continuously recycled after being disassembled.

Further, the device also comprises a nut 6 and a gasket 7, wherein the nut 6 and the gasket 7 can be sleeved on the threaded rod and used for pressing the first protection sleeve 3 on the first end.

The swivel nut 6 can press the gasket 7 on the first protection sleeve 3 better, so that the first protection sleeve 3 is pressed on the screw rotor 1 better, the mounting stability and the sealing effect of the first protection sleeve 3 are guaranteed, and the gasket 7 can also play a certain sealing effect.

In addition, as the nut 6 is in threaded connection with the threaded rod, the threaded rod can be firmly fixed on the screw rotor 1, so that the lifting hook is more stable, and the screw rotor 1 is prevented from falling off from the lifting hook part 5.

Further, referring to fig. 3, the outer diameter of the first protection sleeve 3 is gradually reduced toward the first end.

In the actual installation process, the open end of the first protection sleeve 3, that is, the left end in the drawing, needs to abut against the screw rotor 1, so that the screw rotor 1 has a step surface facing the first protection sleeve 3, and since the step surface also needs to be sprayed, the outer diameter of the portion of the first protection sleeve 3 facing the first end is gradually reduced to form a slope.

Further, the second protective sheath 4 has a portion towards the second end with a gradually decreasing outer diameter.

In the actual installation process, the open end of the second protection sleeve 4, that is, the right end in the drawing, needs to abut against the screw rotor 1, so that the screw rotor 1 has a step surface facing the second protection sleeve 4, and since the step surface also needs to be sprayed, the outer diameter of the portion of the second protection sleeve 4 facing the second end is gradually reduced to form a slope.

Referring to fig. 3, one end of the second protective sleeve 4 is of a sealing structure, and the other end of the second protective sleeve is of an opening structure, so that the design can meet the sealing performance of the whole screw rotor.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The utility model provides a screw rotor shaft bumper protective sheath which characterized in that includes:

the screw rotor (1) is provided with a first end and a second end which are oppositely arranged, and the end part of the first end is provided with an internal thread hole (2);

the two ends of the first protective sleeve (3) are of opening structures and are sleeved on the first end;

the second protective sleeve (4) has at least one end with an opening structure and is used for being sleeved on the second end;

and the hook piece (5), one end of the hook piece (5) is a threaded rod, the other end of the hook piece is a hook part, and the threaded rod can pass through the first protection sleeve (3) and is in threaded connection with the internal threaded hole (2).

2. The screw rotor journal protective sleeve of claim 1 wherein:

the screw rod clamping device is characterized by further comprising a nut (6) and a gasket (7), wherein the nut (6) and the gasket (7) can be sleeved on the screw rod and are used for pressing the first protection sleeve (3) on the first end.

3. The screw rotor journal protective sleeve of claim 1 wherein:

the first protective sheath (3) has a portion towards the first end with a gradually decreasing outer diameter.

4. The screw rotor journal protective sleeve of claim 1 wherein:

the second protective sheath (4) tapers in outer diameter towards the second end portion.

5. The screw rotor journal protective sleeve of claim 1 wherein:

one end of the second protective sleeve (4) is of a sealing structure, and the other end of the second protective sleeve is of an opening structure.

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