CN206156574U - Heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane - Google Patents

Heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane Download PDF

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Publication number
CN206156574U
CN206156574U CN201621027648.9U CN201621027648U CN206156574U CN 206156574 U CN206156574 U CN 206156574U CN 201621027648 U CN201621027648 U CN 201621027648U CN 206156574 U CN206156574 U CN 206156574U
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CN
China
Prior art keywords
diesel engine
low
speed diesel
hanging beam
lifting tool
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Application number
CN201621027648.9U
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Chinese (zh)
Inventor
詹蔡峰
龙武
王飞翔
郭忠华
邝俭华
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YUCHAI MARINE POWER CO Ltd
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YUCHAI MARINE POWER CO Ltd
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Priority to CN201621027648.9U priority Critical patent/CN206156574U/en
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Abstract

The utility model discloses a heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane, including a hanging beam, two fixed subassemblies and three roller, fixed subassembly is provided with four installation ears that are used for installing hanging beam and roller for ring shape on every fixed subassembly, all be provided with the mounting hole on every installation ear, hanging beam and roller pass through mounting hole detachably to be installed between two fixed subassemblies, hydraulic elongator and the tangent contact of three roller during the operation. The utility model relates to a heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane has solved that the intensity of labour who exists is big, operating difficulties and unable level of safety hoist and mount hydraulic elongator scheduling problem when using the heavy bolt of hydraulic elongator fastening in the boats and ships low -speed diesel engine shafting installation, how many people the operator number can follow is reduced to single, has improved labor efficiency, reduces intensity of labour and danger.

Description

A kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher
Technical field
The utility model is related to marine low speed diesel engine field, more particularly to a kind of low-speed diesel engine heavy type bolt hydraulic pressure draws Stretch the lifting tool of device.
Background technology
It is a kind of efficient, accurate heavy type bolt tightening method to fasten heavy bolt using bolt hydraulic stretcher, wide The general large high-strength spiral shell for applying to the medium and heavy plant equipment in the fields such as large-scale diesel engine, ship, petrochemical industry, iron and steel, electric power The fastening of bolt.Generally up to tens of kilograms, conventional design is vertically to use to the weight of the large hydraulic stretcher for being used, and In large ship Diesel Shafting installation process, heavy bolt is horizontally disposed along shafting circumference of flange.Therefore, using large-scale During the heavy bolt in hydraulic elongator fastening low-speed diesel engine field, hydraulic elongator level need to be lifted by crane.In the prior art, Generally operation is completed using two ways:One is that hydraulic elongator is tied up into rear level lifting using suspender belt, and two is using original Suspension ring are lifted to level after hydraulic elongator is vertically lifted by crane by staff, then are co-operated stretcher precession heavy type spiral shell by many people Bolt, both modes all there are problems that high labor intensive and, and exist hydraulic elongator landing risk.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of low-speed diesel engine heavy type bolt hydraulic pressure The lifting tool of stretcher, has the advantages that to take up room little, it is adaptable to the narrow and small dress of the installation site such as marine low speed diesel engine Put.
The utility model solve technical scheme that its technical problem adopted for:A kind of low-speed diesel engine heavy type bolt hydraulic pressure The lifting tool of stretcher, including hanging beam, two fixation kits and three roll shafts, the fixation kit is annular, often Four mounting ears for installing hanging beam and roll shaft are provided with individual fixation kit, on each mounting ear installing hole are provided with, The hanging beam and roll shaft are removably mounted between two fixation kits by installing hole, hydraulic elongator and three during operation The tangent contact of roll shaft.
Further, the hanging beam includes fixing axle and suspension ring, and the suspension ring are connected by screw thread with fixing axle.
Further, the hanging beam is arranged between two fixation kits by screw.
Further, the roll shaft is arranged between two fixation kits by bolt, and the roll shaft includes roller and and roller Two rolling bearings of cylinder interference fit, the rolling bearing is nested on bolt, and the bolt leads to through after two installing holes Cross nut check.
Further, it is additionally provided with packing ring between the rolling bearing and fixation kit.
Further, the both sides of the roller are provided with the boss for being embedded in rolling bearing.
Further, the mounting ear for installing hanging beam is arranged on the top of fixation kit, and one of them is used to install roll shaft Mounting ear be arranged on the bottom of fixation kit, other two is used to install the mounting ear of roll shaft and is symmetricly set on close bottom Both sides.
Further, the hanging beam is identical with the length of roll shaft, and two fixation kits are arranged in parallel.
The beneficial effects of the utility model have:A kind of low-speed diesel engine of the utility model heavy type bolt hydraulic stretcher rises Instrument is hung, the labor existed during hydraulic elongator fastening heavy type bolt used in marine low speed Diesel Shafting installation process is solved Fatigue resistance is big, operating difficulties and cannot level of security lifting hydraulic elongator the problems such as, operation number can be reduced to list from several people People, improves efficiency, reduces labour intensity and danger.
Description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model lifting tool;
Fig. 2 is the explosive view of the utility model lifting tool;
Fig. 3 is the scheme of installation of the utility model lifting tool and hydraulic elongator.
Specific embodiment
Referring to Fig. 1, Fig. 1 is the structural representation of the utility model lifting tool.A kind of low-speed diesel engine of the utility model The lifting tool of heavy bolt hydraulic stretcher, including 1, two fixation kits 2 of a hanging beam and three roll shafts 3, the fixation Component 2 is annular, and four mounting ears for installing hanging beam 1 and roll shaft 3, each installation are provided with each fixation kit 2 Installing hole is provided with ear, the hanging beam 1 and roll shaft 3 are removably mounted between two fixation kits 2 by installing hole, Hydraulic elongator and the tangent contact of three roll shafts 3 during operation.
Referring to Fig. 3, Fig. 3 is the scheme of installation of the utility model lifting tool and hydraulic elongator.In side fixation group On part 2 after pre-assembled roll shaft 3 and hanging beam 1, hydraulic elongator is put in lifting tool, after loading onto opposite side fixation kit 2, is twisted Top nut 34 and opposite side screw 13, hydraulic elongator are fitted in lifting tool.The hanging beam 1 is identical with the length of roll shaft 3, Two fixation kits 2 are arranged in parallel.The principle for determining circular arc using 3 points, determines the mounting hole site of roll shaft 3 on fixation kit 2 Put, make the outer ring of three groups of roll shafts 3 with the tangent contact in the outer ring of hydraulic elongator, it is ensured that hydraulic elongator is rolled on roll shaft 3 Steadily, the work existed during hydraulic elongator fastening heavy type bolt used in marine low speed Diesel Shafting installation process is solved Intensity is big, operating difficulties and cannot level of security lifting hydraulic elongator the problems such as, operation number reduces only to one from several people It is vertical to complete, efficiency is improve, reduce labour intensity and danger.In addition, two fixation kits 2 are annular, fixed group The endoporus of part 2 can guarantee that oil connection 4 is not interfered by lifting tool in hydraulic elongator rotation process.
Referring to Fig. 2, Fig. 2 is the explosive view of the utility model lifting tool.The hanging beam 1 includes fixing axle 11 and suspension ring 12, the suspension ring 12 are connected by screw thread with fixing axle 11, the hanging beam 1 by screw 13 be arranged on two fixation kits 2 it Between.The roll shaft 3 by bolt 31 be arranged on two fixation kits 2 between, the roll shaft 3 include roller 32 and with the mistake of roller 32 It is full of two rolling bearings 33 of cooperation, the rolling bearing 33 is nested on bolt 31, the rolling bearing 33 and fixation kit 2 Between be additionally provided with packing ring 35, the bolt 31 is locked through after two installing holes by nut 34;The both sides of the roller 32 It is provided with the boss for being embedded in rolling bearing 33.Roll shaft 3 is supported using rolling bearing 33, it is ensured that hydraulic elongator was being rotated Cheng Liuchang is light.
When assembling hydraulic elongator in lifting tool, rolling bearing 33 is fitted into roller by pre-assembled roll shaft 3 and hanging beam 1 Roll shaft 3 is constituted in cylinder 32, prepackage fixing axle 11 constitutes hanging beam 1 with suspension ring 12;Bolt 31 passes through side fixation kit 2, packing ring 35 With roller 32, screw 13 loads onto opposite side fixation kit 2 through hydraulic elongator being put in lifting tool after fixing axle 11 Afterwards, screw on nut 34 and opposite side screw 13 completes to load hydraulic elongator in lifting tool;Further, roll shaft 3 is finely tuned Make the outer ring of three groups of roll shafts 3 fully fit with the outer ring of hydraulic elongator, then tighten nut 34 and screw 13;Fixed with hoist cable Suspension ring 12, lift by crane hydraulic elongator and the overall installation site to heavy bolt of lifting tool, and operator passes through two fixation kits 2 Between the clearance space heavy bolt of fastening hydraulic elongator precession shaft on;Operation hydraulic elongator fastens on heavy bolt To design pretightning force;Hydraulic elongator is screwed out, the fastening process of remaining heavy bolt in shafting is completed one by one.
Mounting ear for installing hanging beam 1 is arranged on the top of fixation kit 2, and one of them is used to install the peace of roll shaft 3 Dress ear is arranged on the bottom of fixation kit 2, and other two is used to install the mounting ear of roll shaft 3 and is symmetricly set on the two of close bottom Side.Such design causes more steady during lifting hydraulic elongator.Suspension ring are arranged according to position of centre of gravity on hanging beam 1 12, further ensure the steady safety of hoisting process.
The lifting tool is detachable, can change corresponding fixation kit 2 according to the specification of different hydraulic elongators Or roll shaft 3, part utilization rate height;In addition, lifting tool advantages of compact and light structure, three groups of roll shafts 3 as rolling supporting part and Hanging beam 1 is simultaneously as the overall structure part of lifting tool.
The above, simply better embodiment of the present utility model, but the utility model is not limited to above-mentioned reality Example is applied, as long as it reaches technique effect of the present utility model with any same or similar means, should all belong to of the present utility model Protection domain.

Claims (8)

1. the lifting tool of a kind of low-speed diesel engine heavy type bolt hydraulic stretcher, it is characterised in that:Including a hanging beam(1)、 Two fixation kits(2)With three roll shafts(3), the fixation kit(2)For annular, each fixation kit(2)On be provided with Four are used to install hanging beam(1)And roll shaft(3)Mounting ear, installing hole, the hanging beam are provided with each mounting ear(1)With Roll shaft(3)Two fixation kits are removably mounted on by installing hole(2)Between, hydraulic elongator and three roll shafts during operation (3)Tangent contact.
2. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 1, its feature exists In:The hanging beam(1)Including fixing axle(11)And suspension ring(12), the suspension ring(12)By screw thread and fixing axle(11)Connection.
3. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 1, its feature exists In:The hanging beam(1)By screw(13)Installed in two fixation kits(2)Between.
4. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 1, its feature exists In:The roll shaft(3)By bolt(31)Installed in two fixation kits(2)Between, the roll shaft(3)Including roller(32)With With roller(32)Two rolling bearings of interference fit(33), the rolling bearing(33)It is nested in bolt(31)On, the spiral shell Bolt(31)Pass through nut through after two installing holes(34)Locking.
5. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 4, its feature exists In:The rolling bearing(33)With fixation kit(2)Between be additionally provided with packing ring(35).
6. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 4, its feature exists In:The roller(32)Both sides be provided with for being embedded in rolling bearing(33)Boss.
7. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 1, its feature exists In:For installing hanging beam(1)Mounting ear be arranged on fixation kit(2)Top, one of them be used for roll shaft is installed(3)Peace Dress ear is arranged on fixation kit(2)Bottom, other two be used for roll shaft is installed(3)Mounting ear be symmetricly set on close bottom Both sides.
8. a kind of lifting tool of low-speed diesel engine heavy type bolt hydraulic stretcher according to claim 1, its feature exists In:The hanging beam(1)And roll shaft(3)Length it is identical, two fixation kits(2)It is arranged in parallel.
CN201621027648.9U 2016-08-31 2016-08-31 Heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane Active CN206156574U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621027648.9U CN206156574U (en) 2016-08-31 2016-08-31 Heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621027648.9U CN206156574U (en) 2016-08-31 2016-08-31 Heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane

Publications (1)

Publication Number Publication Date
CN206156574U true CN206156574U (en) 2017-05-10

Family

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Application Number Title Priority Date Filing Date
CN201621027648.9U Active CN206156574U (en) 2016-08-31 2016-08-31 Heavy bolt hydraulic elongator's of low -speed diesel engine instrument that lifts by crane

Country Status (1)

Country Link
CN (1) CN206156574U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117052778A (en) * 2023-08-21 2023-11-14 海安县恒益滑动轴承有限公司 Wear-resistant large transmission shaft convenient to install and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117052778A (en) * 2023-08-21 2023-11-14 海安县恒益滑动轴承有限公司 Wear-resistant large transmission shaft convenient to install and use method thereof

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