CN106392598A - Fixture and method for fixing crankshaft - Google Patents

Fixture and method for fixing crankshaft Download PDF

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Publication number
CN106392598A
CN106392598A CN201611079868.0A CN201611079868A CN106392598A CN 106392598 A CN106392598 A CN 106392598A CN 201611079868 A CN201611079868 A CN 201611079868A CN 106392598 A CN106392598 A CN 106392598A
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CN
China
Prior art keywords
connecting rod
bent axle
handle
described connecting
locating dowel
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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.)
Granted
Application number
CN201611079868.0A
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Chinese (zh)
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CN106392598B (en
Inventor
黄世洁
罗广德
丘友松
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.)
Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201611079868.0A priority Critical patent/CN106392598B/en
Publication of CN106392598A publication Critical patent/CN106392598A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention discloses a fixture for fixing a crankshaft. The fixture comprises a positioning post which is matched with the shaft hole of the crankshaft; one end of the positioning post is provided with a connection rod which is vertical to the axis of the positioning post, extends toward one side of the positioning post and can be fixed on a flywheel casing; the connection rod is provided with a buckling mechanism which is buckled with the end surface of the crankshaft; a limiting pin which is matched with a hole in the flywheel casing is inserted and connected into the extension end of the connection rod; the end part, which is located on the outer side of the limiting pin, of the connection rod is vertically and fixedly provided with a handle; and the handle is provided with a baffling structure which is used for preventing the limiting pin on the connection rod from falling off. The invention further discloses a method for fixing the crankshaft. The fixture and the method have the advantages that structure design is reasonable; the procedure of the fixing method is simple; operation is convenient; loosening does not happen easily; large torsional force which is generated during tightening of a belt pulley can be borne; and safe assembly of the belt pulley can be ensured.

Description

A kind of bent axle fixing tool and method
Technical field
The present invention relates to engine art, more specifically, it relates to a kind of bent axle fixing tool and method.
Background technology
During engine assembly, being arranged due to process route is needed, and the installation of belt pulley is arranged in assembling oil sump And assembling flywheel operation between, the method for original utilization crankshaft counter balance and flywheel fixed crankshaft can not be suitable for, and assembles belt During wheel, screw-down torque is big, and bent axle is fixed into as a difficult problem, accordingly, it would be desirable to design a kind of bent axle simple to operate, being fixed conveniently fix Method is to meet safety in production demand.
Content of the invention
The purpose of the present invention is that there are the problems referred to above for existing technology, there is provided a kind of simple to operate, be fixed conveniently Bent axle fixing tool.
It is another object of the invention to provide one kind being capable of convenient, fast, safety, labour-saving bent axle fixing meanss.
For achieving the above object, on the one hand, a kind of bent axle fixing tool of the present invention, it is adapted including the axis hole with bent axle Locating dowel, described locating dowel one end is provided with the connection on its axis vertical the be fixed on bell housing that stretches out to its side Bar, described connecting rod is provided with the snap-in structure fastening with crankshaft end-face, and the external part in described connecting rod is plugged with The spacer pin being adapted with the hole on bell housing, described connecting rod is located at the end vertical outside described spacer pin and is fixed with One handle, described handle is provided with the gear structure preventing the spacer pin in described connecting rod from departing from.
Further, described snap-in structure be the external part in described connecting rod be provided with crankshaft end-face on pin The chute that nail is adapted.
Further, described gear structure is to stretch out and parallel to described connecting rod from described handle to locating dowel side Setting and dismountable block, the distance between described block and described connecting rod are less than the length of described spacer pin.
Further, one end of described handle is provided with the weld bond corresponding with described connecting rod, and the other end is provided with a bending Handle.
Improve as further, also include the described connecting rod bolted-on attachment fixing with described locating dowel Structure, one end of described locating dowel is provided with the groove accommodating described bolt fastening structure.
On the other hand, a kind of bent axle fixing meanss, comprise the steps:The axis hole phase arranging a locating dowel with bent axle is fitted Should, then laterally fix a connecting rod that can engage with bent axle in one end of locating dowel, thus by tool locating on bent axle;? Afterwards, by spacing for the connecting rod end face in bell housing, thus limiting bent axle rotation.
Further, a snap-in structure is arranged on described connecting rod to fasten with crankshaft end-face, described engaging is tied Structure is the chute being adapted with the pin on crankshaft end-face in the external part setting in described connecting rod;In described connecting rod The hole that is plugged with a spacer pin and bell housing of external part be adapted.
Improve as further, also include arranging that an operation handle is vertical with described connecting rod to be connected, described handss Handle one end is provided with the weld bond corresponding with described connecting rod, and the other end is provided with the handle of a bending.
Further, arranging a gear structure on described handle prevents described spacer pin from departing from, and described gear is tied Structure is to arrange a block on described handle parallel to described connecting rod, and described block is less than institute with the distance of described connecting rod State the length of spacer pin.
Further, also include being bolted structure and described connecting rod is fixedly connected with described locating dowel, fixed One end setting of position post accommodates the groove of described bolt fastening structure.
Beneficial effect
The reasonable in design of the present invention, easy to operate, it is difficult to loosen, huge torsion when belt pulley is tightened can be born Power is it is ensured that belt pulley is installed safely;Structure is simple, practical, easily manufactured, the effectively save production cost of energy, is easy to removing of frock Fortune or mobile, substantially increases work efficiency;Operation is comfortable, makes frock quick and bent axle, bell housing positioning.
Brief description
Fig. 1 is the structural front view of bent axle fixing tool in the present invention;
Fig. 2 is the structure top view of bent axle fixing tool in the present invention;
Fig. 3 is the structure sectional view of locating dowel in the present invention.
In figure:1st, locating dowel;2nd, connecting rod;3rd, spacer pin;4th, handle;5th, block;6th, weld bond;7th, handle;8th, bolt connects Access node structure;9th, snap-in structure;10th, groove.
Specific embodiment
With reference to embodiment, the invention will be further described, but does not constitute any limitation of the invention, any The modification of the limited number of time that people is made in scope of the invention as claimed, still in scope of the presently claimed invention.
The specific embodiment of the present invention is such:Shown in reference picture 1- Fig. 3, a kind of bent axle fixing tool, including with bent The locating dowel 1 that the axis hole of axle is adapted, one end of locating dowel 1 is provided with its axis vertical winged to being fixed on of stretching out of its side Connecting rod 2 on hub, connecting rod 2 is provided with the snap-in structure 9 fastening with crankshaft end-face, and the external part in connecting rod 2 is inserted It is connected to the spacer pin 3 being adapted with the hole on bell housing, the end vertical that connecting rod 2 is located at spacer pin 3 outside is fixed with one Handle 4, handle 4 is provided with the gear structure preventing the spacer pin 3 in connecting rod 2 from departing from.Frock is operated to make positioning by handle 4 Post 1 match with the axis hole of bent axle major part and connecting rod 2 on snap-in structure 9 fasten with crankshaft end-face, frock is quickly fixed Position, the spacer pin then passing through in connecting rod 2 is coordinated with the hole on bell housing, thus fixed crankshaft, is convenient for belt pulley Installment work, frock is positioned with bent axle major part, bell housing respectively, easy to operate, is difficult to loosen, can bear huge when belt pulley is tightened Big twisting resistance is it is ensured that safety is installed;And, the gear structure on handle 4 can effectively prevent spacer pin 3 from dropping and losing, and makes Spacer pin 3 and frock can form one, are easy to carrying or the movement of frock, substantially increase work efficiency.
In the present embodiment, snap-in structure 9 be the external part in connecting rod 2 be provided with crankshaft end-face on pin phase The chute adapting to, chute is the prolate shape through hole being arranged in connecting rod 2, and the width of chute is not less than and the pin on crankshaft end-face The diameter dimension of nail, the design of chute contributes to frock and the bent axle of different model is fixed, and meets the bent axle of different model The inconsistent situation with a distance from the center of circle of the pin of its end face, makes the scope of application of frock increase.
In the present embodiment, gear structure is to stretch out from handle 4 to locating dowel 1 side and parallel to connecting rod 2 setting And dismountable block 5, the distance between block 5 and connecting rod 2 pass through spiral shell less than the length of spacer pin 3, block 5 with handle 4 Stricture of vagina connects, and handle 4 is arranged near spacer pin 3 in connecting rod 2, and block 5 can limit spacer pin 3 and protrude connecting rod 2 table The length in face, effectively prevents spacer pin 3 from departing from and causing damage, structure is simple, practical, easily manufactured, can effectively save production Cost.
In the present embodiment, one end of handle 4 is provided with the weld bond 6 corresponding with connecting rod 2, and the other end is provided with a bending Handle 7, the length of handle is adapted with the depth of bell housing cavity, and operation is comfortable, makes frock quickly fixed with bent axle, bell housing Position.
Also include connecting rod 2 bolt fastening structure 8 fixing with locating dowel 1, one end of locating dowel 1 is provided with receiving bolt The groove 10 of attachment structure 8, is coordinated with bent axle major part by sleeve, so that frock is engaged with bent axle and more forbid, be difficult and bent axle Major part separates it is ensured that stability and the safety of work fixed by bent axle.
The fixing meanss of bent axle, comprise the steps:The axis hole arranging a locating dowel 1 with bent axle is adapted, then fixed One end of position post 1 laterally fixes a connecting rod 2 that can engage with bent axle, thus by tool locating on bent axle;Finally, will connect On the spacing end face in bell housing of bar 2, thus limiting bent axle rotation.
In the present embodiment, a snap-in structure 9 is arranged on connecting rod 2 to fasten with crankshaft end-face, snap-in structure 9 be The chute being adapted with the pin on crankshaft end-face of the external part setting in connecting rod;External part grafting in connecting rod 2 A spacer pin 3 is had to be adapted with the hole on bell housing.
And, in the present embodiment, also include arranging that an operation handle 4 is vertical with connecting rod 2 to be connected, handle 4 one end It is provided with the weld bond 6 corresponding with connecting rod 2, the other end is provided with the handle 7 of a bending.One gear structure is arranged on handle 4 prevent Only spacer pin 3 departs from, and gear structure is to arrange a block 5 on handle 4 parallel to connecting rod 2, block 5 and connecting rod 2 away from From the length less than spacer pin 3.
In the present embodiment, also include being bolted structure 8 and connecting rod 2 is fixedly connected with locating dowel 1, in positioning One end setting of post 1 accommodates the groove 10 of bolt fastening structure 8.
In specifically used, by the shaft hole matching positioning of locating dowel 1 and bent axle, the chute in connecting rod 2 and crankshaft end-face Pin engages, thus by tool locating on bent axle;Hole cooperation on by the spacer pin in connecting rod 2 and bell housing, from And bent axle is fixed;Simple to operate, good fixing effect.
The position of spacer pin 3 can also be limited by the block 5 on handle 4, prevent spacer pin 3 from coming off, losing, design is skilful Wonderful, practical
The above is only the preferred embodiment of the present invention it should be pointed out that for a person skilled in the art, do not taking off On the premise of present configuration, some deformation can also be made and improve, these effects implemented all without the impact present invention And practical applicability.

Claims (10)

1. a kind of bent axle fixing tool is it is characterised in that include the locating dowel (1) being adapted with the axis hole of bent axle, described determines Position post (1) one end is provided with the connecting rod (2) on its axis vertical the be fixed on bell housing that stretches out to its side, described company Extension bar (2) is provided with the snap-in structure (9) fastening with crankshaft end-face, the external part in described connecting rod (2) be plugged with The spacer pin (3) that hole on bell housing is adapted, hangs down in the upper end being located at outside described spacer pin (3) of described connecting rod (2) Directly it is fixed with one handle (4), described handle (4) is provided with the gear preventing the spacer pin (3) in described connecting rod (2) from departing from Structure.
2. a kind of bent axle fixing tool according to claim 1 is it is characterised in that described snap-in structure (9) is in institute State the chute being adapted with the pin on crankshaft end-face that the external part in connecting rod (2) is provided with.
3. a kind of bent axle fixing tool according to claim 1 is it is characterised in that described gear structure is from described handss Block (5) that handle (4) stretches out to locating dowel (1) side and arranges parallel to described connecting rod (2) and dismountable, described block (5) with the distance between described connecting rod (2) less than described spacer pin (3) length.
4. a kind of bent axle fixing tool according to claim 3 it is characterised in that one end of described handle (4) be provided with The corresponding weld bond (6) of described connecting rod (2), the other end is provided with the handle (7) of a bending.
5. a kind of bent axle fixing tool according to claim 1 is it is characterised in that also include described connecting rod (2) The fixing bolt fastening structure (8) with described locating dowel (1), one end of described locating dowel (1) is provided with the described bolt of receiving The groove (10) of attachment structure (8).
6. a kind of bent axle fixing meanss are it is characterised in that comprise the steps:The axis hole phase of one locating dowel (1) and bent axle is set Adapt to, then the one end in locating dowel (1) laterally fixes a connecting rod (2) that can engage with bent axle, thus tool locating is existed On bent axle;Finally, by spacing for connecting rod (2) end face in bell housing, thus limiting bent axle rotation.
7. a kind of bent axle fixing meanss according to claim 6 are it is characterised in that above arrange in described connecting rod (2) One snap-in structure (9) is fastened with crankshaft end-face, and described snap-in structure (9) is that the external part in described connecting rod (2) sets The chute being adapted with the pin on crankshaft end-face put;External part in described connecting rod (2) is plugged with a spacer pin (3) It is adapted with the hole on bell housing.
8. a kind of bent axle fixing meanss according to claim 7 are it is characterised in that also include arranging an operation handle (4) Upper with described connecting rod (2) vertical be connected, described handle (4) one end is provided with the weld bond corresponding with described connecting rod (2) (6), the other end is provided with the handle (7) of a bending.
9. a kind of bent axle fixing meanss according to claim 8 are it is characterised in that keep off in the upper setting of described handle (4) Bit architecture prevents described spacer pin (3) from departing from, and described gear structure is to put down in the upper block (5) that arranges of described handle (4) In described connecting rod (2), the distance of described block (5) and described connecting rod (2) is less than the length of described spacer pin (3) to row.
10. a kind of bent axle fixing meanss according to claim 6 to 9 any one are it is characterised in that also include passing through Described connecting rod (2) is fixedly connected by bolt fastening structure (8) with described locating dowel (1), arranges in one end of locating dowel (1) and holds Receive the groove (10) of described bolt fastening structure (8).
CN201611079868.0A 2016-11-30 2016-11-30 A kind of crankshaft fixing tool and method Active CN106392598B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611079868.0A CN106392598B (en) 2016-11-30 2016-11-30 A kind of crankshaft fixing tool and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611079868.0A CN106392598B (en) 2016-11-30 2016-11-30 A kind of crankshaft fixing tool and method

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CN106392598A true CN106392598A (en) 2017-02-15
CN106392598B CN106392598B (en) 2019-04-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109465768A (en) * 2018-12-30 2019-03-15 广西玉柴机器股份有限公司 A kind of general fixed crankshaft tool
CN112775875A (en) * 2021-02-08 2021-05-11 广西玉柴机器股份有限公司 Crankshaft fixing tool and method
CN113183071A (en) * 2021-05-11 2021-07-30 广西玉柴机器股份有限公司 Anti-rotation clamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7039993B1 (en) * 2005-02-10 2006-05-09 Lisle Corporation Seal Puller with adjustable head
CN201637526U (en) * 2010-03-18 2010-11-17 重庆长安汽车股份有限公司 Tool for detecting crankshaft rotation moment in process of engine assembly
CN202412083U (en) * 2011-10-27 2012-09-05 重庆小康工业集团股份有限公司 Locating mechanism for timing system assembly
CN204209588U (en) * 2014-11-13 2015-03-18 刘兴永 A kind of crankshaft timing positioning tool
CN205120070U (en) * 2015-10-30 2016-03-30 广西玉柴机器股份有限公司 Dish changes 4A engine crankshaft's auxiliary fixtures
CN206263562U (en) * 2016-11-30 2017-06-20 广西玉柴机器股份有限公司 A kind of bent axle fixing tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7039993B1 (en) * 2005-02-10 2006-05-09 Lisle Corporation Seal Puller with adjustable head
CN201637526U (en) * 2010-03-18 2010-11-17 重庆长安汽车股份有限公司 Tool for detecting crankshaft rotation moment in process of engine assembly
CN202412083U (en) * 2011-10-27 2012-09-05 重庆小康工业集团股份有限公司 Locating mechanism for timing system assembly
CN204209588U (en) * 2014-11-13 2015-03-18 刘兴永 A kind of crankshaft timing positioning tool
CN205120070U (en) * 2015-10-30 2016-03-30 广西玉柴机器股份有限公司 Dish changes 4A engine crankshaft's auxiliary fixtures
CN206263562U (en) * 2016-11-30 2017-06-20 广西玉柴机器股份有限公司 A kind of bent axle fixing tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109465768A (en) * 2018-12-30 2019-03-15 广西玉柴机器股份有限公司 A kind of general fixed crankshaft tool
CN109465768B (en) * 2018-12-30 2024-02-02 广西玉柴机器股份有限公司 Universal tool for fixing crankshaft
CN112775875A (en) * 2021-02-08 2021-05-11 广西玉柴机器股份有限公司 Crankshaft fixing tool and method
CN112775875B (en) * 2021-02-08 2024-01-30 广西玉柴机器股份有限公司 Crankshaft fixing tool and method
CN113183071A (en) * 2021-05-11 2021-07-30 广西玉柴机器股份有限公司 Anti-rotation clamp
CN113183071B (en) * 2021-05-11 2024-04-09 广西玉柴机器股份有限公司 Anti-rotation clamp

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Publication number Publication date
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