A special-purpose barring assembly for a scraper condenser

Abstract

The utility model discloses a special disc wheel assembly of scraper condenser, and the scraper condenser includes drive motor, drive motor has rotation axis and cooling fan blade, disc wheel assembly includes shaft sleeve, hand wheel, the tail end of rotation axis is coaxially fixed on to shaft sleeve, the outer wall of shaft sleeve is equipped with the limit structure, cooling fan blade is coaxially fixed on the shaft sleeve, hand wheel has the assembly hole, the inner wall of assembly hole is equipped with the cooperation structure to the limit structure, hand wheel has the assembly state of being inserted on the shaft sleeve along the axial direction of shaft sleeve through assembly hole and has the release state of separating from the shaft sleeve along the axial direction of shaft sleeve, in the assembly state, the limit structure and cooperation structure are mutually inserted and are fitted along the axial direction of shaft sleeve, the utility model discloses disc wheel operation convenient, can prevent the damage of rotation axis of drive motor, prolongs the service life of drive motor, and disc wheel process saves time and labour, effectively satisfies the disc wheel operation demand of scraper condenser.

Description

Technical Field

[0001] This utility model relates to the field of textile machinery technology, and in particular to a special rotating assembly for a scraper condenser. Background Technology

[0002] The polycondensation reaction in the polyester unit is carried out under vacuum. During the stirring process by the disc agitator, filamentous materials and other aldehyde and ether gases are generated in the reactor. Filaments and coking deposits are also generated during the gas phase pipeline transport from the reactor, requiring continuous condensation and cleaning by a scraper condenser. In the scraper condenser, continuously rotating scrapers clean the filaments and coking deposits. A drive motor is connected to the scraper drive to rotate the scrapers. The scraper condenser requires periodic manual reverse rotation of the scrapers (i.e., manual rotation) to ensure that the material inside the scraper condenser is thoroughly flushed and to prevent blockage of the gas phase pipelines. During manual rotation, the cooling fan at the rear of the drive motor must be removed each time, the drive motor's rotating shaft must be clamped with pipe wrenches, and the shaft pushed in reverse. Frequent and prolonged operation severely damages the drive motor's rotating shaft, shortening its service life. Furthermore, the rotation process is time-consuming and labor-intensive, making it difficult to meet the requirements for manual rotation of the scraper condenser. Utility Model Content

[0003] To address the aforementioned technical problems, the purpose of this utility model is to propose a dedicated turning assembly for scraper condensers. This assembly facilitates turning operations, prevents damage to the rotating shaft of the drive motor, extends the service life of the drive motor, and saves time and effort during the turning process, effectively meeting the turning operation requirements of scraper condensers.

[0004] The technical solution of this utility model is achieved as follows: a special rotating assembly for a scraper condenser, the scraper condenser including a drive motor; the drive motor has a rotating shaft and cooling fan blades;

[0005] The turning gear assembly includes a bushing and a handwheel;

[0006] The bushing is coaxially fixed to the tail end of the rotating shaft; a limiting structure is provided on the outer wall of the bushing;

[0007] The cooling fan blades are coaxially fixed to the bushing;

[0008] The handwheel has an assembly hole; the inner wall of the assembly hole is provided with a mating structure corresponding to the limiting structure;

[0009] The handwheel has an assembled state in which it is inserted into the bushing along the axial direction of the bushing through the mounting hole, and a released state in which it is disengaged from the bushing along the axial direction of the bushing; in the assembled state, the limiting structure and the mating structure are mutually inserted and mated along the axial direction of the bushing.

[0010] Furthermore, the bushing has a first section and a second section in the axial direction; the cooling fan is coaxially sleeved on the first section through its own central hole, and the cooling fan and the first section are connected by a key.

[0011] Furthermore, the first segment is arranged at the beginning end near the axis of rotation, and the second segment is arranged at the beginning end away from the axis of rotation.

[0012] Furthermore, the handwheel is inserted into the second section through a mounting hole.

[0013] Furthermore, the limiting structure is a recessed portion extending axially along the bushing; one end of the recessed portion forms an open end on the end face of the bushing; the fitting structure is a protrusion extending axially along the assembly hole.

[0014] Furthermore, the handwheel includes a central body and a grip bar surrounding and connected to the central body; the mounting hole is formed on the central body.

[0015] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0016] This invention utilizes a bushing and a handwheel in conjunction. The bushing is mounted on the rotating shaft of the drive motor, and the cooling fan is mounted on the bushing. During rotary operation, the handwheel is inserted into the bushing through the mounting hole, with the mating structure and the limiting structure engaging synchronously to restrict the handwheel's rotation relative to the bushing. By pushing the handwheel to rotate, the bushing and the rotating shaft are driven to rotate, thus achieving the rotary operation. This combination of methods makes rotary operation convenient, prevents damage to the rotating shaft of the drive motor, extends the service life of the drive motor, and saves time and effort during the rotary operation, effectively meeting the rotary operation requirements of scraper condensers. Attached Figure Description

[0017] The technical solution of this utility model will be further described below with reference to the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the turning operation of the present invention;

[0019] Figure 2 This is a three-dimensional structural diagram of the cooling fan blade, bushing, and handwheel of this utility model;

[0020] Figure 3 This is a structural diagram of the handwheel in its assembled state;

[0021] The components include: 1. Scraper condenser; 2. Drive motor; 3. Handwheel; 31. Center body; 32. Assembly hole; 33. Mating structure; 34. Hand lever; 4. Cooling fan blade; 5. Bushing; 51. First section; 52. Second section; 53. Limiting structure. Detailed Implementation

[0022] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0023] like Figure 1-3 The diagram shows a dedicated turning assembly for a scraper condenser according to this embodiment. The scraper condenser 1 is a conventional device in the prior art, including a drive motor 2, scrapers, and other components. The drive motor 2 has a conventional structure in the prior art, with a rotating shaft and cooling fan blades 4. The rotating shaft of the drive motor 2 is connected to the scraper drive to drive the scraper to rotate. The structure, installation method, and function of the cooling fan blades 4 are in the prior art; they are used to dissipate heat from the drive motor 2. The turning assembly of this embodiment is used in conjunction with the scraper condenser 1. The turning assembly includes a bushing 5 and a handwheel 3. The bushing 5 has a shaft hole machined inside. The bushing 5 is fitted onto the tail end of the rotating shaft through the shaft hole with a clearance fit and is fixed to the rotating shaft by a set screw or other prior art method. The cooling fan blades 4 are coaxially fixed to the bushing 5. When the rotating shaft rotates, the bushing 5 and the cooling fan blades 4 rotate synchronously.

[0024] In this embodiment, the aforementioned handwheel 3 has a mounting hole 32. This mounting hole 32 is adapted to the outer diameter of the bushing 5. The handwheel 3 has an assembled state where it is inserted into the bushing 5 along the axial direction through the mounting hole 32, and a disengaged state where it is detached from the bushing 5 along the axial direction. A limiting structure 53 is machined on the outer wall of the bushing 5. A mating structure 33 is provided on the inner wall of the mounting hole 32 corresponding to the limiting structure 53. In the assembled state, the limiting structure 53 and the mating structure 33 are interlocked along the axial direction of the bushing 5 to restrict the handwheel 3 from rotating relative to the bushing 5. Through this structural design, when in the assembled state, pushing the handwheel 3 to rotate can drive the bushing 5 and the rotating shaft to rotate, thereby realizing a turning operation. Switching the handwheel 3 from the assembled state to the disengaged state allows the handwheel 3 to be removed from the bushing 5.

[0025] In the specific structural design, the aforementioned bushing 5 has a first section 51 and a second section 52 in the axial direction. The first section 51 and the second section 52 are connected to each other, and the outer diameters of the first section 51 and the second section 52 may be the same or different. The first section 51 is arranged at the beginning near the rotating shaft, and the second section 52 is arranged at the beginning away from the rotating shaft. The cooling fan 4 is connected to the first section 51 through its own central hole, and the cooling fan 4 and the first section 51 are connected by a key. In addition, a retaining ring is installed on the first section 51 to restrict the axial movement of the cooling fan 4 on the first section 51. The aforementioned limiting structure 53 is formed on the outer wall of the second section 52. The aforementioned handwheel 3 is inserted into the second section 52 through the mounting hole 32. Among them, a plurality of limiting structures 53 are arranged at intervals along the circumferential direction of the second section 52. The limiting structure 53 is a recessed portion extending axially along the bushing 5. One end of the recessed portion forms an open end on the end face of the bushing 5. Several mating structures 33 are arranged at intervals along the circumferential direction of the mounting hole 32. Each mating structure 33 is a protrusion extending axially along the mounting hole 32.

[0026] In this embodiment, the handwheel 3 includes a central body 31 and a grip bar surrounding and connected to the central body 31. The number of grip bars depends on the actual design. The grip bar facilitates hand gripping. The aforementioned mounting hole 32 is formed on the central body 31.

[0027] In practical use, during the rotation operation, the handwheel 3 is inserted into the bushing 5 through the mounting hole 32. The cooperating structure 33 and the limiting structure 53 are inserted synchronously to restrict the rotation of the handwheel 3 relative to the bushing 5. By pushing the handwheel 3 to rotate, the bushing 5 and the rotating shaft are driven to rotate, thereby realizing the rotation operation. In this way, the rotation operation is convenient, it can prevent damage to the rotating shaft of the drive motor 2, extend the service life of the drive motor 2, and save time and effort in the rotation process, effectively meeting the rotation operation requirements of the scraper condenser 1.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A dedicated rotating assembly for a scraper condenser, the scraper condenser comprising a drive motor; the drive motor having a rotating shaft and cooling fan blades; characterized in that: The turning gear assembly includes a bushing and a handwheel; The bushing is coaxially fixed to the tail end of the rotating shaft; a limiting structure is provided on the outer wall of the bushing; The cooling fan blades are coaxially fixed to the bushing; The handwheel has an assembly hole; the inner wall of the assembly hole is provided with a mating structure corresponding to the limiting structure; The handwheel has an assembled state in which it is inserted into the bushing along the axial direction of the bushing through the mounting hole, and a released state in which it is disengaged from the bushing along the axial direction of the bushing; in the assembled state, the limiting structure and the mating structure are mutually inserted and mated along the axial direction of the bushing.

2. The special turning gear assembly for a scraper condenser according to claim 1, characterized in that: The bushing has a first section and a second section in the axial direction; the cooling fan is coaxially sleeved on the first section through its own central hole, and the cooling fan and the first section are connected by a key.

3. A special turning gear assembly for a scraper condenser according to claim 2, characterized in that: The first segment is located at the beginning of the axis of rotation, and the second segment is located at the beginning of the axis of rotation away from the axis of rotation.

4. A special turning gear assembly for a scraper condenser according to claim 2, characterized in that: The handwheel is inserted into the second section through the mounting hole.

5. A special turning gear assembly for a scraper condenser according to claim 1, characterized in that: The limiting structure is a recessed portion extending axially along the bushing; one end of the recessed portion forms an open end on the end face of the bushing; the fitting structure is a protrusion extending axially along the assembly hole.

6. A special turning gear assembly for a scraper condenser according to claim 1, characterized in that: The handwheel includes a central body and a grip bar that surrounds the periphery of the central body and is connected to the central body; the mounting hole is formed on the central body.

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