CN219416059U - Shaft coupler centering and aligning device of direct evaporation refrigerating unit - Google Patents
Shaft coupler centering and aligning device of direct evaporation refrigerating unit Download PDFInfo
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- CN219416059U CN219416059U CN202320396031.8U CN202320396031U CN219416059U CN 219416059 U CN219416059 U CN 219416059U CN 202320396031 U CN202320396031 U CN 202320396031U CN 219416059 U CN219416059 U CN 219416059U
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Abstract
The utility model discloses a centering and aligning device of a shaft connector of a direct evaporation refrigerating unit, which comprises the following components: the device comprises a first dial indicator, a second dial indicator, a cylinder, a connecting end face, a first fixing frame and a second fixing frame; the connecting end face is of a round structure and is welded at one end of the cylinder; the connecting end face is provided with two symmetrically distributed bolt holes; the first fixing frame and the second fixing frame are fixed at the other end of the cylinder; the first dial indicator is arranged on the first fixing frame, and the second dial indicator is arranged on the second fixing frame; the measuring head of the first dial indicator is vertically downward, and the measuring head of the second dial indicator is horizontally forward. The centering and aligning device is simple to operate and easy to operate, improves the centering and aligning efficiency and accuracy of the machine set shaft, enables each shaft axis of the machine set to meet the coaxial requirement, eliminates the mechanical stress of each shaft at the position of the coupler, ensures smooth rotation of the rotating part of the equipment, and ensures safe and stable operation of the equipment.
Description
Technical Field
The utility model relates to the technical field of shaft coupling centering and aligning, in particular to a shaft coupling centering and aligning device of a direct evaporation refrigerating unit.
Background
In the ethylene VCM production technology, a direct evaporation refrigerating unit is used as main equipment of a refrigerating unit, and a multistage centrifugal propylene compression condensing unit is adopted to provide refrigerating fluid with the specification of-41 ℃;
the working flow is that the liquid refrigerant under the condensing pressure is supercooled in an economizer combined with a container of a centrifugal compression condensing unit, then is sent to a process device, throttled to the required evaporating temperature, enters a heat exchanger to exchange heat with a process medium, absorbs heat and evaporates to become gaseous refrigerant, the gaseous refrigerant under the evaporating pressure returns to a compressor of the centrifugal compression condensing unit, is compressed by the compressor, is condensed into liquid in the condenser, enters a liquid reservoir, is supercooled by the economizer, and then is sent to the process device, and is circulated in this way, thus completing the continuous refrigeration process.
The centering and aligning work of the coupler in the unit is an important link in the unit installation and overhaul process; if the alignment of each shaft of the machine is unreasonable, vibration of the machine and abrasion of rotating parts such as bearings, gear couplings and the like can be caused during operation of the machine set. The machine set runs under the condition of overlarge vibration, so that not only can the damage of machine parts be caused, but also serious machine damage accidents can occur; the existing alignment method has complex procedures, complex calculation, time and labor waste, high labor intensity, difficult mastering and low alignment efficiency.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a centering and aligning device for a shaft coupler of a direct evaporation refrigerating unit, which comprises the following components: the device comprises a cylinder, a connecting end face, a first fixing frame, a second fixing frame, a first dial indicator and a second dial indicator; the connecting end face is of a round structure and is welded at one end of the cylinder; the connecting end face is provided with two symmetrically distributed bolt holes; the first fixing frame and the second fixing frame are fixed at the other end of the cylinder; the first dial indicator is arranged on the first fixing frame, and the second dial indicator is arranged on the second fixing frame; the first dial indicator measuring head is vertically downward, and the measuring head of the second dial indicator is horizontally forward.
Preferably, four through holes aligned in pairs are formed in the side face of the cylinder, and a U-shaped wrench is inserted into the through holes.
Preferably, the first fixing frame includes: an L-shaped fixing frame and a first U-shaped fixing clamp; one end of the L-shaped fixing frame is fixed on the side surface of the other end of the cylinder; the screw rod penetrates through the mounting hole and fixes the first U-shaped fixing clamp at the other end of the L-shaped fixing frame through the nut; the first U-shaped fixing clamp is connected with a first hand-screwed bolt in a threaded manner, a first arc-shaped pressure head is rotatably arranged at the end part of the first hand-screwed bolt, and a first dial indicator is fixed in the first U-shaped fixing clamp through the first arc-shaped pressure head.
Preferably, a first arc-shaped groove with a rubber gasket is arranged in the first U-shaped fixing clamp, and the first arc-shaped groove is arranged opposite to the first arc-shaped pressure head; the first dial indicator is fixed on the first fixing frame through the first arc-shaped groove and the first arc-shaped pressure head.
Preferably, the second fixing frame includes: a fixing plate and a second U-shaped fixing clip; one end of the fixing plate is fixed on the side surface of the other end of the cylinder; the rear end of the second U-shaped fixing clamp is fixed on the outer side of the fixing plate; the second U-shaped fixing clamp is connected with a second hand-screwed bolt through threads, a second arc-shaped pressure head is rotatably arranged at the end part of the second hand-screwed bolt, and a second dial indicator is fixed in the second U-shaped fixing clamp through the second arc-shaped pressure head.
Preferably, a second arc-shaped groove with a rubber gasket is arranged in the second U-shaped fixing clamp, and the second arc-shaped groove is arranged opposite to the second arc-shaped pressure head; and fixing a second dial indicator on a second fixing frame through a second arc-shaped pressure head and a second arc-shaped groove.
Preferably, the cylinder is 500mm long and 100mm in outer diameter.
Preferably, the outer diameter of the connecting end face is 150mm, and the hole distance between the two bolt holes is 125mm.
Preferably, the cylinder and the connecting end face are both made of carbon steel.
Compared with the prior art, the utility model has the following beneficial effects:
the centering and aligning device is simple to operate and easy to operate, improves the centering and aligning efficiency and accuracy of the machine set shaft, enables each shaft axis of the machine set to meet the coaxial requirement, eliminates the mechanical stress of each shaft at the position of the coupler, ensures smooth rotation of the rotating parts of the equipment, ensures safe and stable operation of the equipment, and enables the operation state of the equipment to be in an optimal state; the service life of the equipment is prolonged.
Drawings
FIG. 1 is a perspective view of a direct evaporation chiller shaft coupling centering device of the present utility model;
FIG. 2 is an enlarged view of a portion of a first mount of a direct evaporation chiller shaft coupling centering device of the present utility model;
FIG. 3 is an enlarged view of a portion of a second mount of a direct evaporation chiller shaft coupling centering device of the present utility model;
fig. 4 is a perspective view of a direct evaporation chiller shaft coupling centering device of the present utility model in use.
Detailed Description
The drawings in the embodiments of the present utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described:
as shown in fig. 1-4, in one embodiment of the present utility model, a direct evaporation chiller shaft coupling centering and aligning device includes: the device comprises a cylinder 1, a connecting end face 2, a first fixing frame 3, a second fixing frame 4, a first dial indicator 6 and a second dial indicator 7; the connecting end face 2 is of a circular structure and is welded at one end of the cylinder 1; the connecting end face 2 is provided with two symmetrically distributed bolt holes 201; the first fixing frame 3 and the second fixing frame 4 are fixed at the other end of the cylinder 1; the first dial indicator 6 is arranged on the first fixing frame 3, and the second dial indicator 7 is arranged on the second fixing frame 4; the measuring head of the first dial indicator 6 is vertically downward, and the measuring head of the second dial indicator 7 is horizontally forward;
as shown in fig. 4, when in use, the connecting end face 2 of the device is fixed on the coupler 11 of the power end 12 of the evaporation refrigeration unit through the bolt holes 201 on the connecting face 2, the measuring head of the first dial indicator 6 is abutted against the side face of the coupler 10 of the body end 9 of the evaporation refrigeration unit, and the measuring head of the second dial indicator 7 is abutted against the end face of the coupler 10 of the body end 9; the rotary cylinder 1 measures the reading changes of the first dial indicator 6 and the second dial indicator 7 at different positions respectively to judge whether the body end 9 and the power end 12 of the evaporation refrigerating unit are aligned, and adjusts the body end 9 according to the deflection degree until the reading changes of the first dial indicator 6 and the second dial indicator 7 are controlled within an allowable range, alignment is completed, then the device is disassembled, and the coupling 10 of the body end 9 and the coupling 11 of the power end 12 are connected through a connecting shaft.
Specifically, in the above embodiment, in order to facilitate the rotation of the cylinder 1, four through holes 101 aligned in pairs are formed in the side surface of the cylinder 1, a U-shaped wrench 5 is inserted into the through holes 101, and the cylinder 1 is rotated by pulling the U-shaped wrench 5, which saves more labor.
Specifically, as shown in fig. 1 and 2, in one embodiment of the present utility model, the first fixing frame 3 includes: an L-shaped fixing frame 301 and a first U-shaped fixing clip 304; one end of the L-shaped fixing frame 301 is fixed on the side surface of the other end of the cylinder 1; the rear end of the first U-shaped fixing clamp 304 is provided with a screw rod 302, the other end of the L-shaped fixing frame 301 is provided with a mounting hole, the screw rod 302 penetrates through the mounting hole to fix the first U-shaped fixing clamp 304 at the other end of the L-shaped fixing frame 301 through a nut 303; the first U-shaped fixing clamp 304 is connected with a first hand-screwed bolt 307 in a threaded manner, a first arc-shaped pressure head 306 is rotatably arranged at the end part of the first hand-screwed bolt 307, the first hand-screwed bolt 307 is screwed, and the first dial indicator 6 is fixed in the first U-shaped fixing clamp 304 through the first arc-shaped pressure head 306;
specifically, in the above embodiment, the first U-shaped fixing clip 304 is provided with a first arc-shaped groove 305 with a rubber gasket, and the first arc-shaped groove 305 is opposite to the first arc-shaped pressing head 306; the first dial indicator 6 is fixed to the first fixing frame 3 by the first arc-shaped groove 305 and the first arc-shaped pressing head 306.
Specifically, as shown in fig. 1 and 3, in one embodiment of the present utility model, the second fixing frame 4 includes: a fixing plate 402 and a second U-shaped fixing clip 401; one end of the fixing plate 402 is fixed to the other end side of the cylinder 1; the rear end of the second U-shaped fixing clip 401 is fixed on the outer side of the fixing plate 402; the second U-shaped fixing clamp 401 is connected with a second hand-screwed bolt 405 in a threaded mode, a second arc-shaped pressure head 404 is rotatably arranged at the end portion of the second hand-screwed bolt 405, the second hand-screwed bolt 405 is screwed, and the second dial indicator 7 is fixed in the second U-shaped fixing clamp 401 through the second arc-shaped pressure head 404.
Specifically, in the above embodiment, the second U-shaped fixing clip 401 is provided with a second arc-shaped slot 403 with a rubber gasket, and the second arc-shaped slot 403 is opposite to the second arc-shaped pressing head 404; the second dial indicator 7 is fixed on the second fixing frame 4 through the second arc-shaped pressing head 404 and the second arc-shaped groove 403.
In one embodiment of the utility model, in order to meet the alignment requirement of the shaft connector of the evaporation refrigeration unit, the cylinder 1 is 500mm long and 100mm in outer diameter. The outer diameter of the connecting end face 2 is 150mm, and the hole distance between the two bolt holes 201 is 125mm. The cylinder 1 and the connecting end face 2 are both made of carbon steel.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art should be able to apply equivalents and modifications according to the technical scheme and the modified concept of the present utility model within the scope of the present utility model.
Claims (9)
1. A direct evaporation chiller shaft coupler centering and aligning device, comprising: the first dial gauge and the second dial gauge; the method is characterized in that: the device also comprises a cylinder, a connecting end face, a first fixing frame and a second fixing frame; the connecting end face is of a round structure and is welded at one end of the cylinder; the connecting end face is provided with two symmetrically distributed bolt holes; the first fixing frame and the second fixing frame are fixed at the other end of the cylinder; the first dial indicator is arranged on the first fixing frame, and the second dial indicator is arranged on the second fixing frame; the first dial indicator measuring head is vertically downward, and the measuring head of the second dial indicator is horizontally forward.
2. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit according to claim 1, wherein: four through holes aligned in pairs are formed in the side face of the cylinder, and a U-shaped wrench is inserted into the through holes.
3. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit according to claim 1, wherein: the first fixing frame comprises: an L-shaped fixing frame and a first U-shaped fixing clamp; one end of the L-shaped fixing frame is fixed on the side surface of the other end of the cylinder; the screw rod penetrates through the mounting hole and fixes the first U-shaped fixing clamp at the other end of the L-shaped fixing frame through the nut; the first U-shaped fixing clamp is connected with a first hand-screwed bolt in a threaded manner, a first arc-shaped pressure head is rotatably arranged at the end part of the first hand-screwed bolt, and a first dial indicator is fixed in the first U-shaped fixing clamp through the first arc-shaped pressure head.
4. A direct evaporation chilling unit shaft coupling centering alignment device as defined in claim 3, wherein: a first arc-shaped groove with a rubber gasket is arranged in the first U-shaped fixing clamp, and the first arc-shaped groove is arranged opposite to the first arc-shaped pressure head; the first dial indicator is fixed on the first fixing frame through the first arc-shaped groove and the first arc-shaped pressure head.
5. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit according to claim 1, wherein: the second fixing frame comprises: a fixing plate and a second U-shaped fixing clip; one end of the fixing plate is fixed on the side surface of the other end of the cylinder; the rear end of the second U-shaped fixing clamp is fixed on the outer side of the fixing plate; the second U-shaped fixing clamp is connected with a second hand-screwed bolt through threads, a second arc-shaped pressure head is rotatably arranged at the end part of the second hand-screwed bolt, and a second dial indicator is fixed in the second U-shaped fixing clamp through the second arc-shaped pressure head.
6. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit according to claim 5, wherein: a second arc-shaped groove with a rubber gasket is arranged in the second U-shaped fixing clamp, and the second arc-shaped groove is arranged opposite to the second arc-shaped pressure head; and fixing a second dial indicator on a second fixing frame through a second arc-shaped pressure head and a second arc-shaped groove.
7. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit according to claim 1, wherein: the cylinder is 500mm long and 100mm in outer diameter.
8. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit as claimed in claim 7, wherein: the outer diameter of the connecting end face is 150mm, and the hole distance between the two bolt holes is 125mm.
9. The centering and aligning device for the shaft coupler of the direct evaporation refrigeration unit according to claim 8, wherein: the cylinder and the connecting end face are both made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320396031.8U CN219416059U (en) | 2023-03-06 | 2023-03-06 | Shaft coupler centering and aligning device of direct evaporation refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320396031.8U CN219416059U (en) | 2023-03-06 | 2023-03-06 | Shaft coupler centering and aligning device of direct evaporation refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416059U true CN219416059U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320396031.8U Active CN219416059U (en) | 2023-03-06 | 2023-03-06 | Shaft coupler centering and aligning device of direct evaporation refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219416059U (en) |
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2023
- 2023-03-06 CN CN202320396031.8U patent/CN219416059U/en active Active
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