CN102195415A - Sleeving method of coupler - Google Patents

Sleeving method of coupler Download PDF

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Publication number
CN102195415A
CN102195415A CN 201010127861 CN201010127861A CN102195415A CN 102195415 A CN102195415 A CN 102195415A CN 201010127861 CN201010127861 CN 201010127861 CN 201010127861 A CN201010127861 A CN 201010127861A CN 102195415 A CN102195415 A CN 102195415A
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China
Prior art keywords
shaft coupling
coupler
shaft
assembling method
temperature
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CN 201010127861
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CN102195415B (en
Inventor
王赋
过一斌
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Shanghai Electric Group Shanghai Electric Machinery Co Ltd
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Shanghai Electric Group Shanghai Electric Machinery Co Ltd
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Priority to CN 201010127861 priority Critical patent/CN102195415B/en
Publication of CN102195415A publication Critical patent/CN102195415A/en
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  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention relates to a sleeving method of a coupler, which comprises the steps of: laying a motor rotor on an assembly flat, checking and adjusting a rotating shaft through a gradienter until the levelness of the rotating shaft reaches the standard; heating the coupler in a drying room, taking the coupler out of the drying room after the temperature reaches the standard, enabling a measuring rod to pass through an inner hole of the coupler; hoisting the coupler by using a hoisting tool, regulating the coupler to be in a horizontal state, enabling the inner hole of the coupler to be aligned to a shaft head of the rotating shaft after the requirement for the hoisting height is met; slowly pushing the coupler for the 1/3 length distance, rapidly pushing if no retardation exists, or otherwise, rapidly pushing out and then re-pushing under the condition of no retardation; and fixing the axial position of the coupler, and hoisting the motor rotor and the coupler away for packaging after cooling the coupler to reach room temperature. By adopting a manner of heating the coupler for sleeving, the coupler is effectively prevented from being damaged in a sleeving process; and the invention can be applied to a sleeving process of various couplers and has better popularity.

Description

A kind of assembling method of shaft coupling
Technical field
The present invention relates to a kind of assembling method that shaft coupling is sleeved on motor shaft extension end that is applicable to.
Background technology
Shaft coupling (coupling) is referred to as " catcher " again, passes to the connection bridge of load as the machine shaft output torque, and its importance is self-evident, and the shaft coupling pattern is a lot, and is multifarious, but its principal mode is flange form and gear type.Nowadays along with the development of technology, the technology content of shaft coupling is more and more higher, and product is more accurate, structure is also more complicated, no matter be flange form shaft coupling or gear type shaft coupling, cooperating with the motor shaft extension has tight amount, therefore needs to adopt any special measures to guarantee that suit meets the requirements; If a certain link is held bad in shaft coupling and machine shaft suit or generation processing, the lighter causes to do over again to make to produce and disconnects, and weight person causes shaft coupling to scrap, and causes heavy economic losses to the enterprises and individuals, therefore, press for the assembling method that improves shaft coupling and overlap reload request to satisfy it.
Summary of the invention
In order to solve the problem that prior art exists, the present invention aims to provide a kind of assembling method of shaft coupling, to satisfy the cover reload request of various shaft couplings, effectively reduces the scrappage of shaft coupling, improves its cover packing quality.
The assembling method of a kind of shaft coupling of the present invention comprises the steps:
Step 1 is put rotor and is placed on the assembling plate, and detecting the school by level meter, to turn axle up to standard until the levelness of rotating shaft, and be coated with Molykote at the shaft extension end surfaces of described rotating shaft;
Step 2 after described shaft coupling suit direction makes marks, is advanced the drying room heating with it, goes out drying room after temperature is up to standard, and makes length bar pass through described shaft coupling endoporus;
Step 3 is lifted by crane described shaft coupling by hoist tool, adjusts it and is the level of state, and after reaching sling height and requiring, the direction of suit described in two makes described shaft coupling endoporus aim at the spindle nose of rotating shaft set by step;
Step 4 pushes described shaft coupling at a slow speed to its 1/3 length, if fluent phenomenon then pushes fast again, otherwise, pull out the back fast and under fluent phenomenon situation, push again;
Step 5 is fixed described shaft coupling axial location, after shaft coupling is cooled to room temperature, rotor and shaft coupling is hung vanning.
In the assembling method of above-mentioned shaft coupling, the levelness that level meter shows in the described step 1 reaches in the 0.02mm scope.
In the assembling method of above-mentioned shaft coupling, to advance drying room heating be that shaft coupling is positioned at drying room central authorities to shaft coupling in the described step 2, and and flatcar between built on stilts, the drying room temperature in the half an hour that begins to heat up smaller or equal to 100 ℃, speed with 50-100 ℃/h rises to temperature T then, this temperature T is by formula T=[(I+C)/α * 10-6D]+t can get, in the formula, the maximum interference amount of I for calculating, C is the hot jacket gap, and α * 10-6 is the line of material coefficient of expansion, and D is the nominal internal diameter of shaft coupling endoporus, ambient temperature when t is hot jacket, and temperature T is not more than 280 ℃.
In the assembling method of above-mentioned shaft coupling, the checking dimension b of length bar is by getting among the formula b=d+C in the described step 2, and in the formula, d is the maximum of rotating shaft external diameter, and C is the hot jacket gap.
In the assembling method of above-mentioned shaft coupling, described shaft coupling comprises an external toothing and a ring gear, and this external toothing is the cylindrical shell that outer surface is provided with a gear ring, hoist tool in the described step 3 comprises two tool bodies that are installed in described external toothing cylindrical shell two ends respectively, each tool body comprises a base plate, a press strip and two shackles that are fixedly connected on described base plate two ends respectively, wherein
The center of described plate upper surface offers a groove that is used to set described external toothing, and this groove bilateral symmetry ground spaced apart be provided with some to adjustment hole;
Described press strip surface offer some to the corresponding through hole in described adjustment hole position, and described press strip vertically penetrates through hole by screw rod and fixedlys connected with described base plate with adjustment hole.
In the assembling method of above-mentioned shaft coupling, described shaft coupling comprises a cylindrical shell and a ring flange, hoist tool in the described step 3 comprises that a tool body and that is installed in described cylindrical shell one end is connected the joint hinge on the described ring flange end face, described tool body comprises a base plate, a press strip and two shackles that are fixedly connected on described base plate two ends respectively, wherein
The center of described plate upper surface offers a groove that is used to set described cylindrical shell, and this groove bilateral symmetry ground spaced apart be provided with some to adjustment hole;
Described press strip surface offer some to the corresponding through hole in described adjustment hole position, and described press strip vertically penetrates through hole by screw rod and fixedlys connected with described base plate with adjustment hole.
In the assembling method of above-mentioned shaft coupling, the shaft coupling axial location fixedly is described shaft coupling to be fixed on the shaft extension end face of rotating shaft by pressing plate and bolt in the described step 5, when this shaft coupling is cooled to after temperature is lower than 60 ℃, removes described pressing plate.
Owing to adopted above-mentioned technical solution, the present invention carries out suit by adopting to the mode of shaft coupling heating, and in order to ensure the shaft coupling quality, drying room programming rate, heating maximum temperature, temperature retention time etc. is all had strict demand; Simultaneously, the present invention has also adopted the special-purpose hoist tool of shaft coupling, regulates and makes shaft coupling endoporus axial line level, to guarantee that overlapping process of assembling carries out smoothly.Assembling method of the present invention can effectively avoid shaft coupling in the damaged condition of cover in the process of assembling, and applicable to the cover process of assembling of various shaft couplings, has good versatility.
Description of drawings
Fig. 1 be used for the gear type shaft coupling in the assembling method of shaft coupling of the present invention hoist tool under user mode structural front view;
Fig. 2 be used for the flange form shaft coupling in the assembling method of shaft coupling of the present invention hoist tool under user mode structural front view;
Fig. 3 be used for the flange form shaft coupling in the assembling method of shaft coupling of the present invention hoist tool under user mode the structure side view.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
The present invention, promptly a kind of assembling method of shaft coupling comprises the steps:
Step 1 is put rotor and is placed on the assembling plate, detects the school by level meter and turns axle and reach in the 0.02mm scope until the levelness of this rotating shaft, and be coated with molybdenum bisuphide (MOS at the shaft extension end surfaces of rotating shaft 2Fire-resistant lubricants);
Step 2, after shaft coupling suit direction makes marks, it is advanced the drying room heating, be located at drying room central authorities, and and flatcar between built on stilts, smaller or equal to 100 ℃, the speed that remains on 50-100 ℃/h then rises to temperature T (best programming rate be 60 ℃/h), this temperature T is by formula T=[(I+C)/α * 10 to the drying room temperature in the half an hour that begins to heat up -6D]+t can get, in the formula, and the maximum interference amount of I for calculating, C is the hot jacket gap, α * 10 -6Be the line of material coefficient of expansion, D is the nominal internal diameter of shaft coupling endoporus, the ambient temperature when t is hot jacket, and wherein, the corresponding relation of the value of hot jacket clearance C and the value of nominal inside diameter D can see Table 1, line of material coefficient of expansion α * 10 -6Value and the corresponding relation of temperature, material can see Table 2;
Table 1
Name inside diameter D (mm) 150～180 180～250 250～350 350～450 450～600 600～800 ?800～1000
Hot jacket clearance C (mm) 0.20 0.25 0.30 0.40 0.50 0.60 ?0.70
Table 2
In shaft coupling when heating,, the temperature T of drying room needs special record, and the highest must not be above 280 ℃, after treating that temperature is up to standard, shaft coupling goes out drying room, and makes length bar pass through the shaft coupling endoporus, to guarantee to satisfy the dimensional requirement that the shaft coupling hot jacket is gone into rotating shaft, the checking dimension b of length bar can get by formula b=d+C, in the formula, d is the maximum of rotating shaft external diameter, and C is the hot jacket gap, if the shaft coupling endoporus is a step, then need prepare the length bar of different size;
Step 3, the hoist tool by special use lifts by crane shaft coupling, and adjusts it by Lever Blocks and be the level of state, and after waiting to reach sling height and requiring, the suit direction of mark makes the shaft coupling endoporus aim at the spindle nose of rotating shaft in two set by step;
Step 4 pushes rotating shaft with shaft coupling at a slow speed, until 1/3 length that arrives shaft coupling, if fluent phenomenon then pushes fast again, otherwise, pull out shaft coupling fast, the back that ascertains the reason pushes shaft coupling again under fluent phenomenon situation;
Step 5 is utilized the screw on the shaft extension end face of rotating shaft, and by pressing plate and bolt the shaft coupling axial location is fixed, when shaft coupling is cooled to after temperature is lower than 60 ℃, remove pressing plate, and rotor and shaft coupling are hung vanning, so far, finish the suit of shaft coupling.
In step 3 of the present invention, different types of shaft coupling can adopt different hoist tools:
As shown in Figure 1, when shaft coupling is the gear type shaft coupling, be that shaft coupling comprises an external toothing 8 and a ring gear (not shown), and when external toothing 8 is provided with the cylindrical shell of a gear ring for outer surface, hoist tool comprises two tool bodies 10 that are installed in external toothing 8 cylindrical shell two ends respectively, each tool body 10 comprises a base plate 1, a press strip 2 and two shackles 3 that are fixedly connected on base plate 1 two ends respectively, wherein
The center of base plate 1 upper surface offers one and is used to set trapezoidal groove 11 of being down of external toothing 8, and the outer peripheral face of the two side of groove 11 and external toothing 8 is tangent, groove 11 bilateral symmetry ground is spaced apart be provided with some to adjustment hole 12;
Press strip 2 surfaces offer some to the through hole (not shown) corresponding with adjustment hole 12 positions, and press strip 2 vertically penetrates through hole by two double threaded screws 21 and is connected with base plate 1 with adjustment hole 12, and fixing by nut 22.
Above-mentioned hoist tool in actual use, can according to external toothing 8 cylindrical shell outside diameters regulate two between the double threaded screw 21 distance and the distance between press strip 2 and the base plate 1, during handling, pass shackle 3 back with hoist cable and link up with to be connected with driving and get final product.
As Fig. 2, shown in Figure 3, when shaft coupling is the flange form shaft coupling, be that shaft coupling is when comprising a cylindrical shell 5 ' and a ring flange 6 ', hoist tool comprises that one is installed in the tool body 10 ' and of cylindrical shell 5 ' one end by the joint hinge 4 ' on bolt, the nut mounting flange 6 ' end face, tool body 10 ' comprises a base plate 1 ', a press strip 2 ' and two shackles 3 ' that are fixedly connected on base plate 1 ' two ends respectively, wherein
The center of base plate 1 ' upper surface offers one and is used to set trapezoidal groove 11 ' of being down of cylindrical shell 5 ', and the outer peripheral face of the two side of groove 11 ' and cylindrical shell 5 ' is tangent, groove 11 ' bilateral symmetry ground is spaced apart be provided with some to adjustment hole 12 ';
Press strip 2 ' surface offers some to the through hole (not shown) corresponding with adjustment hole 12 ' position, and press strip 2 ' vertically penetrates through hole by two double threaded screws 21 ' and is connected with base plate 1 ' with adjustment hole 12 ', and fixes by nut.
Above-mentioned hoist tool in actual use, can according to the outside diameter of cylindrical shell 5 ' regulate two between the double threaded screw 21 ' distance and the distance between press strip 2 ' and the base plate 1 ', during handling, passing shackle 3 ' back with hoist cable 7 ' is connected with driving hook 8 ', simultaneously, connecting joint hinge 4 ' by Lever Blocks 9 ' gets final product with driving hook 8 '.
Before step 1 of the present invention, also need carry out following preparation: cleaning shaft coupling endoporus, check shaft coupling internal diameter size, motor shaft extension end outside dimension, will check especially whether the shaft extension end can influence the shaft coupling suit on earth with the fillet that cooperates of shaft coupling, and this will influence the unit axial dimension; In addition, if shaft coupling is a gear type, then before step 1 of the present invention, also need earlier shaft coupling to be disintegrated, the inside and outside gear ring that is about to shaft coupling separates, and has collected its back-up ring, sealing ring standby, before execution in step three, earlier baffle plate, sealing ring are inserted in the shaft extension end,, then refill the shaft extension key if any the shaft extension key.
Below embodiment has been described in detail the present invention in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.

Claims (7)

1. the assembling method of a shaft coupling is characterized in that, described assembling method comprises the steps:
Step 1 is put rotor and is placed on the assembling plate, and detecting the school by level meter, to turn axle up to standard until the levelness of rotating shaft, and be coated with Molykote at the shaft extension end surfaces of described rotating shaft;
Step 2 after described shaft coupling suit direction makes marks, is advanced the drying room heating with it, goes out drying room after temperature is up to standard, and makes length bar pass through described shaft coupling endoporus;
Step 3 is lifted by crane described shaft coupling by hoist tool, adjusts it and is the level of state, and after reaching sling height and requiring, the direction of suit described in two makes described shaft coupling endoporus aim at the spindle nose of rotating shaft set by step;
Step 4 pushes described shaft coupling at a slow speed to its 1/3 length, if fluent phenomenon then pushes fast again, otherwise, pull out the back fast and under fluent phenomenon situation, push again;
Step 5 is fixed described shaft coupling axial location, after shaft coupling is cooled to room temperature, rotor and shaft coupling is hung vanning.
2. the assembling method of shaft coupling according to claim 1 is characterized in that, the levelness that level meter shows in the described step 1 reaches in the 0.02mm scope.
3. the assembling method of shaft coupling according to claim 1 and 2, it is characterized in that, to advance drying room heating be that shaft coupling is positioned at drying room central authorities to shaft coupling in the described step 2, and and flatcar between built on stilts, the drying room temperature in the half an hour that begins to heat up smaller or equal to 100 ℃, speed with 50-100 ℃/h rises to temperature T then, and this temperature T is by formula T=[(I+C)/α * 10 -6D]+t can get, in the formula, and the maximum interference amount of I for calculating, C is the hot jacket gap, α * 10 -6Be the line of material coefficient of expansion, D is the nominal internal diameter of shaft coupling endoporus, the ambient temperature when t is hot jacket, and temperature T is not more than 280 ℃.
4. the assembling method of shaft coupling according to claim 3 is characterized in that, the checking dimension b of length bar is by getting among the formula b=d+C in the described step 2, and in the formula, d is the maximum of rotating shaft external diameter, and C is the hot jacket gap.
5. the assembling method of shaft coupling according to claim 4, it is characterized in that, described shaft coupling comprises an external toothing and a ring gear, and this external toothing is the cylindrical shell that outer surface is provided with a gear ring, hoist tool in the described step 3 comprises two tool bodies that are installed in described external toothing cylindrical shell two ends respectively, each tool body comprises a base plate, a press strip and two shackles that are fixedly connected on described base plate two ends respectively, wherein
The center of described plate upper surface offers a groove that is used to set described external toothing, and this groove bilateral symmetry ground spaced apart be provided with some to adjustment hole;
Described press strip surface offer some to the corresponding through hole in described adjustment hole position, and described press strip vertically penetrates through hole by screw rod and fixedlys connected with described base plate with adjustment hole.
6. the assembling method of shaft coupling according to claim 4, it is characterized in that, described shaft coupling comprises a cylindrical shell and a ring flange, hoist tool in the described step 3 comprises that a tool body and that is installed in described cylindrical shell one end is connected the joint hinge on the described ring flange end face, described tool body comprises a base plate, a press strip and two shackles that are fixedly connected on described base plate two ends respectively, wherein
The center of described plate upper surface offers a groove that is used to set described cylindrical shell, and this groove bilateral symmetry ground spaced apart be provided with some to adjustment hole;
Described press strip surface offer some to the corresponding through hole in described adjustment hole position, and described press strip vertically penetrates through hole by screw rod and fixedlys connected with described base plate with adjustment hole.
7. according to the assembling method of claim 5 or 6 described shaft couplings, it is characterized in that, the shaft coupling axial location fixedly is described shaft coupling to be fixed on the shaft extension end face of rotating shaft by pressing plate and bolt in the described step 5, when this shaft coupling is cooled to after temperature is lower than 60 ℃, removes described pressing plate.
CN 201010127861 2010-03-19 2010-03-19 Sleeving method of coupler Active CN102195415B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528381A (en) * 2012-02-28 2012-07-04 绵阳华晨瑞安汽车零部件有限公司 Interference fit assembly method and equipment
CN109277774A (en) * 2018-09-22 2019-01-29 中船澄西船舶修造有限公司 A kind of bow side pushes away shaft coupling hot jacket tooling

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1089270A (en) * 1996-09-12 1998-04-07 Hokuetsu Kogyo Co Ltd Screw rotor
CN2533326Y (en) * 2002-04-16 2003-01-29 兖矿集团有限公司 Cross slide coupling
US20090214348A1 (en) * 2008-02-27 2009-08-27 Gianluca Buccheri Method for manufacturing the rotor assembly of a rotating vacuum pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1089270A (en) * 1996-09-12 1998-04-07 Hokuetsu Kogyo Co Ltd Screw rotor
CN2533326Y (en) * 2002-04-16 2003-01-29 兖矿集团有限公司 Cross slide coupling
US20090214348A1 (en) * 2008-02-27 2009-08-27 Gianluca Buccheri Method for manufacturing the rotor assembly of a rotating vacuum pump

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《上海大中型电机》 20060930 王赋 大型电机电枢(转子)热套装工艺 26-32 1-4 , 第3期 *
《中国电力教育》 20090620 白云鹏 试论电风炉加热联轴器工艺效果 361-362 1-4 , 第S1期 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528381A (en) * 2012-02-28 2012-07-04 绵阳华晨瑞安汽车零部件有限公司 Interference fit assembly method and equipment
CN109277774A (en) * 2018-09-22 2019-01-29 中船澄西船舶修造有限公司 A kind of bow side pushes away shaft coupling hot jacket tooling
CN109277774B (en) * 2018-09-22 2020-12-04 中船澄西船舶修造有限公司 Bow side pushes away red cover frock of shaft coupling

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