CN201483431U - Synchronous tightening tool for expand sleeve - Google Patents

Synchronous tightening tool for expand sleeve Download PDF

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Publication number
CN201483431U
CN201483431U CN2009201629119U CN200920162911U CN201483431U CN 201483431 U CN201483431 U CN 201483431U CN 2009201629119 U CN2009201629119 U CN 2009201629119U CN 200920162911 U CN200920162911 U CN 200920162911U CN 201483431 U CN201483431 U CN 201483431U
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CN
China
Prior art keywords
circumference
tool
rod
tool disk
coupling sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009201629119U
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Chinese (zh)
Inventor
欧阳海黎
袁木峰
张宗海
周筱一
肖杰
周旭建
丁学军
杨勇
刘涛
黄金余
袁圣杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT Co Ltd
Original Assignee
CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT Co Ltd
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Publication date
Application filed by CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT Co Ltd filed Critical CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT Co Ltd
Priority to CN2009201629119U priority Critical patent/CN201483431U/en
Application granted granted Critical
Publication of CN201483431U publication Critical patent/CN201483431U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a synchronous tightening tool for an expand sleeve. The tightening tool comprises a bracket, an adjusting screw rod, a connecting bar, pin shafts, scrolling wheels and a tool plate, wherein the tool plate comprises a first circumference and a second circumference, a plurality of mounting holes are formed on the first circumference of the tool plate and matched with a force arm of a hydraulic wrench; successive slideways are formed on the second circumference of the tool plate, the scrolling wheel and the slideways are connected in a sliding manner, the sliding range of the scrolling wheels on the slideways ensures that the mounting holes can cover all bolts on the inner ring of the expand sleeve; and the scrolling wheels are connected with one end of the connecting bar through the pin shafts, the other end of the connecting bar is connected with one end of the adjusting screw rod through the pin shafts, and the other end of the adjusting screw rod is fixedly connected with the bracket, so that the tool plate can swing along the axis of the main shaft of a gearbox. By adopting the tightening tool, the plurality of bolts on the inner ring of the expand sleeve can be tightened synchronously, so that the tightening order cannot go wrong, thereby improving the qualification rate of assembly.

Description

A kind of synchronous tightening tool of expanded coupling sleeve
Technical field
The utility model relates to swelling cover accessory field, more particularly, relates to a kind of synchronous tightening tool of expanded coupling sleeve.
Background technology
In main shaft and process that gear-box is connected, the swelling cover is the critical component that is used to connect main shaft and gear-box.The swelling cover divides inner ring and two parts in outer ring, be enclosed within on the cylindrical of gear-box planet carrier, be evenly equipped with the 33-M33 bolt on the inner ring circumference, the cylindrical of swelling cover inner ring is the conical surface of one 4 degree, as long as tighten the 33-M33 bolt, inner ring will be pushed in swelling cover outer ring, and inner ring will push the gear-box planet carrier, the gear-box planet carrier will clamping spindle, finally reaches the purpose of transmitting moment of torsion.
Connecting in the operation of main shaft and gear-box for existing swelling cover, generally is pure handwork, and 3 workman's manual operations hydraulic spanners at every turn all in a certain order, overlap swelling on 3 bolts of 120 degree of being separated by on the inner ring and tighten synchronously.Other has 1 workman to be responsible for controlling hydraulic spanner screwing force and hydraulic pump.
Concrete Connection Step is:
(1) the swelling cover is installed on the gear-box planet carrier cylindrical, after main shaft being inserted gear-box planet carrier endoporus again, four bolts in the positive upper and lower, left and right of pretension inner ring circumference (A, B, C, D), measure and write down corresponding 4 Internal and external cycle difference in height, calculate the difference of measured value, requirement is controlled in the 0.2mm, and being screwed to all the other bolts just then, stress is as the criterion.
(2) with 2 torque spanner symmetry, synchronous pretension, tighten 200Nm at every turn, be screwed to 600Nm (tightening altogether 3 times), whenever tighten the value that once all will measure 4 of ABCD, and calculate difference, require difference≤0.6mm,, then need correct, continue again to install if overproof.
(3) with 3 the hydraulic spanner symmetry, tighten synchronously, tighten 100Nm at every turn, be screwed to 1800Nm, (tightening altogether 12 times), whenever tighten the value that once all will measure 4 of ABCD, and calculate difference, require difference≤0.6mm, if overproof, then need correct, continue again to install.
(4) when screw-down torque reaches 1800Nm, must check with the standard spanner.Check ABCD four point values be-2~+ 5mm, 4 differences finally also must be controlled at≤the 0.6mm scope in.
When difference≤0.6mm is exactly an assembling quality requirement, this monitoring will be through the whole erection process.
But there is following technical disadvantages in existing connection operation:
Tightening the order of all bolts on the swelling cover inner ring does not carry out one by one, but tighten according to the certain rules intersection, but, because workman's workload is very big, the situation that the frequent in operation appearance of workman is not tightened bolt according to predetermined order, form asynchronous, thereby it is low to cause assembling qualification rate.
Therefore, be badly in need of a kind of auxiliary equipment now and improve the assembling qualification rate.
The utility model content
In view of this, the utility model provides a kind of synchronous tightening tool of expanded coupling sleeve, so that the workman is tightened synchronously according to the bolt that predetermined order is overlapped swelling on the inner ring in operation, thereby improves the assembling qualification rate.
The utility model embodiment is achieved in that
A kind of synchronous tightening tool of expanded coupling sleeve comprises: support, adjusting screw(rod), connecting rod, bearing pin, pulley and tool disk;
Described tool disk comprises first circumference and second circumference, evenly is provided with several installing holes on first circumference of described tool disk, described installing hole and hydraulic spanner to make the arm of force suitable;
Second circumference of described tool disk is provided with continuous slideway, and described pulley and described slideway are slidingly connected, and described pulley can make described installing hole cover all bolts on the swelling cover inner ring at the sliding scale on the described slideway;
Described pulley is connected by described bearing pin with an end of described connecting rod, the other end of described connecting rod is connected by described bearing pin with an end of described adjusting screw(rod), the other end of described adjusting screw(rod) is fixedlyed connected with described support, so that described tool disk can be swung on gear-box main-shaft axis direction.
Compared with prior art, the technical scheme that provides of the utility model embodiment has the following advantages and characteristics:
The making the arm of force and can be embedded in a plurality of installing holes on the tool disk of hydraulic spanner, promptly tool disk has been fixed the position of hydraulic spanner, can not make mistakes so that the workman twists the order of bolt; And, the anglec of rotation of tool disk self can make all bolts on the installing hole covering swelling cover inner ring, therefore, the synchronous tightening tool of expanded coupling sleeve that the workman uses the utility model to provide in operation, can tighten synchronously according to the bolt that predetermined order is overlapped swelling on the inner ring, thereby improve the qualification rate of assembling.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The synchronous tightening tool of expanded coupling sleeve front schematic view that Fig. 1 provides for the utility model;
The synchronous tightening tool of expanded coupling sleeve side schematic view that Fig. 2 provides for the utility model;
The tool disk schematic diagram that Fig. 3 provides for the utility model;
The front elevation of the sleeve that Fig. 4 provides for the utility model;
The profile of the sleeve that Fig. 5 provides for the utility model;
The front elevation of the pulley that Fig. 6 provides for the utility model;
The side view of the pulley that Fig. 7 provides for the utility model;
The schematic diagram of the bearing pin that Fig. 8 provides for the utility model;
The side view of the connecting rod that Fig. 9 provides for the utility model;
The front elevation of the connecting rod that Figure 10 provides for the utility model;
The side view of the adjusting screw(rod) that Figure 11 provides for the utility model;
The front elevation of the adjusting screw(rod) that Figure 12 provides for the utility model;
The front elevation of the support that Figure 13 provides for the utility model;
The side view of the support that Figure 14 provides for the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The synchronous tightening tool of expanded coupling sleeve that the utility model embodiment provides comprises: support, adjusting screw(rod), connecting rod, bearing pin, pulley and tool disk; Described tool disk comprises first circumference and second circumference, evenly is provided with several installing holes above first circumference of described tool disk, described installing hole and hydraulic spanner to make the arm of force suitable; Second circumference of described tool disk is provided with continuous slideway, and described pulley and described slideway are slidingly connected, and described pulley can make described installing hole cover all bolts on the swelling cover inner ring at the sliding scale on the described slideway; Described pulley is connected by described bearing pin with an end of described connecting rod, the other end of described connecting rod is connected by described bearing pin with described adjusting screw(rod), described adjusting screw(rod) is fixedlyed connected with described support, so that described tool disk can be swung on gear-box main-shaft axis direction.There is multiple mode in the specific implementation of above-mentioned synchronous tightening tool of expanded coupling sleeve, is elaborated below by specific embodiment:
See also Fig. 1 to Fig. 3, a kind of synchronous tightening tool of expanded coupling sleeve, comprise: tool disk 1, pulley 2, bearing pin 3, support 4, connecting rod 5 and adjusting screw(rod) 6, tool disk 1 comprises first circumference and second circumference, evenly be provided with 3 plum blossom profile of tooth installing holes 12 above first circumference of tool disk 1, it is suitable that the plum blossom profile of tooth of plum blossom profile of tooth installing hole 12 and hydraulic spanner is made the arm of force; Second circumference of tool disk 1 is provided with continuous slideway 11, the radian of slideway 11 on second circumference is 120 degree, pulley 2 is slidingly connected with slideway 11, and pulley 2 can make plum blossom profile of tooth installing hole 12 cover all bolts on the swellings cover inner rings at the sliding scale on the slideway 11; Pulley 2 is connected by bearing pin 3 with an end of connecting rod 5, and the other end of connecting rod 5 is connected by bearing pin 3 with an end of adjusting screw(rod) 6, and the other end of adjusting screw(rod) 6 is fixedlyed connected with support 4, so that tool disk 1 can be swung on gear-box main-shaft axis direction.
Fig. 4 to Figure 14 is the front or the side schematic view of each parts of swelling cover screwing frock.
In the embodiment of Fig. 1 to Fig. 3, the plum blossom profile of tooth installing hole 12 of tool disk 1 is used to embed the plum blossom profile of tooth of hydraulic spanner and makes the arm of force, 3 plum blossom profile of tooth installing holes 12 corresponding 3 are hydraulic spanner, therefore, utilize tool disk 1 to drive 3 and can play synchronous purpose to the stubborn bolt of hydraulic spanner.Tool disk 1 is provided with the slideways 11 that radian is 120 degree, and slideway 11 cooperates with pulley 2 can make tool disk 1 self rotation, makes hydraulic spanner on the embedding tool disk 1 can cover swelling and overlaps all bolts on the inner ring, to be able to tighten the purpose of all bolts.Also be provided with a plurality of lightening holes 13 on the tool disk 1, be used to alleviate own wt, be convenient to staff's operation and use.And the very thin thickness of tool disk 1 is convenient to operation in narrow space.
In the embodiment of Fig. 1 to Fig. 3, because an end of connecting rod 5 is connected by bearing pin 3 with pulley 2, the other end of connecting rod 5 is connected by bearing pin 3 with adjusting screw(rod) 6, adjusting screw(rod) 6 is fixed on the support 4, the two ends that are connecting rod 5 all belong to active link, therefore, connecting rod 5 can drive tool disk 1 and swings on gear-box main-shaft axis direction.When needs are beaten moment for bolt, can swing tool disk 1, make to be embedded in 3 on the tool disk 1 hydraulic spanner is aligned bolt simultaneously, for bolt is beaten moment; After accomplishing fluently moment, backswing tool disk 1 makes 3 hydraulic spanners break away from bolt.
In the embodiment of Fig. 1 to Fig. 3, JU80 type hydraulic spanner can well embed in the plum blossom profile of tooth installing hole 12 of tool disk 1, after driving hydraulic spanner, the reaction twisting force of hydraulic spanner makes progress in the footpath of synchronous tightening tool of expanded coupling sleeve, frock can not be subjected to moment of flexure, and is therefore, stressed good.The driving head of hydraulic spanner is the cylinder in a four directions, need install sleeve 7 and could beat moment to bolt, therefore, before the use hydraulic spanner is beaten moment to bolt, driving head with hydraulic spanner inserts in the driving head installing hole 72 of sleeve 7 earlier, profile of tooth trepanning 71 with sleeve 7 entangles bolt head again, operates hydraulic spanner then, and moment can pass to bolt by sleeve 7.Traditional sleeve generally all is the regular hexagon trepanning, and the profile of tooth trepanning 71 of the sleeve 7 of the utility model design is a regular polygon, therefore, no matter which angle bolt head is in, sleeve 7 can both entangle bolt head easily, and also has anti-jamming function when carry-over moment.The volume of sleeve 7 is little, and length is 52mm, therefore, is convenient to work in narrow space.
In the embodiment of Fig. 1 to Fig. 3, the using method of synchronous tightening tool of expanded coupling sleeve is: support 4 is installed on the gear-box hanger, the plum blossom profile of tooth of hydraulic spanner is made the arm of force to embed in the plum blossom profile of tooth installing hole 12 on the tool disk 1, swing scratch diskette 1, allow hydraulic spanner align bolt, the operation hydraulic spanner is beaten moment; After accomplishing fluently moment, swing tool disk 1 in the other direction, make hydraulic spanner break away from bolt, rotation tool disk 1 makes it clockwise or self rotates counterclockwise, allows hydraulic spanner align next group bolt, and the operation hydraulic spanner is beaten moment, whole process repeated is till Bolt Torque reaches rated moment.
Need to prove, Fig. 1 extremely embodiment shown in Figure 3 is the preferred embodiment that the utility model is introduced, because this kind design is more conducive to workman's cooperation of cooperating, it is best that effect can reach, those skilled in the art on this basis, can design more embodiment fully, for example, installing hole is not limited to 3, slideway also is not limited to 120 degree, as long as the scope of slideway can make all bolts on the installing hole covering swelling cover inner ring, therefore, tool disk of the present utility model can design like this: 2 installing holes evenly are set on first circumference of tool disk, the radian of slideway on second circumference is designed to 180 degree.Also can be designed to: 4 installing holes evenly are set on first circumference of tool disk, the radian of slideway on second circumference is designed to 90 degree.As long as the scope that slideway is satisfied in design of the present utility model can make installing hole cover all bolts on the swelling cover inner ring.And the model of hydraulic spanner also not only is confined to JU80, and the shape of installing hole changes with the difference of making arm of force shape of hydraulic spanner, if satisfy hydraulic spanner make the arm of force and installing hole is suitable.Therefore, the embodiment that the utility model is not limited to provide is conspicuous to the multiple modification of these embodiment to those skilled in the art, all is the scope of the utility model protection, because length is limited, does not give unnecessary details herein.
In sum, the synchronous tightening tool of expanded coupling sleeve that the utility model provides can make being embedded in a plurality of installing holes on the tool disk as the arm of force of hydraulic spanner, and promptly tool disk has been fixed the position of hydraulic spanner, can not make mistakes so that the workman twists the order of bolt; And, the anglec of rotation of tool disk self can make all bolts on the installing hole covering swelling cover inner ring, therefore, the synchronous tightening tool of expanded coupling sleeve that the workman uses the utility model to provide in operation, can tighten synchronously according to the bolt that predetermined order is overlapped swelling on the inner ring, thereby improve the qualification rate of assembling.In addition, tool disk has supported hydraulic spanner, and the workman no longer needs hand steered operation, only needs swing and rotate tool disk to get final product, and therefore, has reduced labour intensity, has improved the efficient of assembly process; In the installing hole of making arm of force embedding tool disk of hydraulic spanner, after driving hydraulic spanner, the reaction twisting force of spanner makes progress in the footpath of frock, therefore makes the arm of force and can not act on equipment and the instrument, has both protected equipment and instrument, has removed potential safety hazard again.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (9)

1. a synchronous tightening tool of expanded coupling sleeve is characterized in that, comprising: support, adjusting screw(rod), connecting rod, bearing pin, pulley and tool disk;
Described tool disk comprises first circumference and second circumference, evenly is provided with several installing holes on first circumference of described tool disk, described installing hole and hydraulic spanner to make the arm of force suitable;
Second circumference of described tool disk is provided with continuous slideway, and described pulley and described slideway are slidingly connected, and described pulley can make described installing hole cover all bolts on the swelling cover inner ring at the sliding scale on the described slideway;
Described pulley is connected by described bearing pin with an end of described connecting rod, the other end of described connecting rod is connected by described bearing pin with an end of described adjusting screw(rod), the other end of described adjusting screw(rod) is fixedlyed connected with described support, so that described tool disk can be swung on gear-box main-shaft axis direction.
2. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that described tool disk is provided with lightening hole.
3. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that described support is installed on the hanger of gear-box.
4. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that, described hydraulic spanner is a JU80 type hydraulic spanner.
5. synchronous tightening tool of expanded coupling sleeve according to claim 4 is characterized in that, described installing hole is a plum blossom profile of tooth installing hole.
6. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that, also comprises sleeve, and the driving head installing hole of the driving head of described hydraulic spanner and described sleeve is suitable.
7. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that, evenly is provided with 3 installing holes on first circumference of described tool disk, and the radian of described slideway on second circumference is 120 degree.
8. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that, evenly is provided with 2 installing holes on first circumference of described tool disk, and the radian of described slideway on second circumference is 180 degree.
9. synchronous tightening tool of expanded coupling sleeve according to claim 1 is characterized in that, evenly is provided with 4 installing holes on first circumference of described tool disk, and the radian of described slideway on second circumference is 90 degree.
CN2009201629119U 2009-08-13 2009-08-13 Synchronous tightening tool for expand sleeve Expired - Lifetime CN201483431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201629119U CN201483431U (en) 2009-08-13 2009-08-13 Synchronous tightening tool for expand sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201629119U CN201483431U (en) 2009-08-13 2009-08-13 Synchronous tightening tool for expand sleeve

Publications (1)

Publication Number Publication Date
CN201483431U true CN201483431U (en) 2010-05-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101628403B (en) * 2009-08-13 2012-03-28 中船重工(重庆)海装风电设备有限公司 Synchronous tightening tool of expanded coupling sleeve
CN104275667B (en) * 2014-09-28 2017-01-25 国家电网公司 Fastener screwing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101628403B (en) * 2009-08-13 2012-03-28 中船重工(重庆)海装风电设备有限公司 Synchronous tightening tool of expanded coupling sleeve
CN104275667B (en) * 2014-09-28 2017-01-25 国家电网公司 Fastener screwing device

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20100526

Effective date of abandoning: 20090813