CN102794641B - Camshaft locking tool - Google Patents

Camshaft locking tool Download PDF

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Publication number
CN102794641B
CN102794641B CN201210264514.9A CN201210264514A CN102794641B CN 102794641 B CN102794641 B CN 102794641B CN 201210264514 A CN201210264514 A CN 201210264514A CN 102794641 B CN102794641 B CN 102794641B
Authority
CN
China
Prior art keywords
camshaft
locking fixture
location division
draw
tight lock
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 - Fee Related
Application number
CN201210264514.9A
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Chinese (zh)
Other versions
CN102794641A (en
Inventor
徐泽军
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.)
Sharp Exhibition Tongling Technology Co Ltd
Ruizhan Tongling Technologies Co Ltd
Original Assignee
Ruizhan Tongling Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ruizhan Tongling Technologies Co Ltd filed Critical Ruizhan Tongling Technologies Co Ltd
Priority to CN201210264514.9A priority Critical patent/CN102794641B/en
Publication of CN102794641A publication Critical patent/CN102794641A/en
Application granted granted Critical
Publication of CN102794641B publication Critical patent/CN102794641B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a camshaft locking tool applied to the field of engine production and assembly technology. The end part of a locking part (1) of the locking tool is movably connected with the end part of a positioning part (2); the locking part (1) is provided with a clamp slot (4) which can be clamped on a camshaft (3) to stop the rotation of the camshaft (3); when the locking tool locks the camshaft (3), the positioning part (2) is connected with a connecting part (6) on the side surface of an engine cylinder (15); and after connected with the connecting part (6), the positioning part (2) is fixed. The camshaft locking tool provided by the invention is simple in structure and low in cost; when a moment is applied to the camshaft bolt, the camshaft can be conveniently and quickly locked; the locking tool can ensure that the camshaft does not rotate along with the rotating bolt and the moment for screwing down the intake and exhaust camshaft bolts can be applied; and in batch production, the production efficiency is greatly improved.

Description

A kind of camshaft locking fixture
Technical field
The invention belongs to engine production package technique field, more particularly, relate to a kind of camshaft locking fixture carrying out can locking camshaft when camshaft beats moment.
Background technology
After the installation completing admission cam shaft sprocket wheel and exhaust cam shaft sprocket wheel, need the moment fed, requirement stamped by exhaust cam axle bolt.If now do not locked by camshaft, then when beating moment, camshaft can rotate along with the rotation of bolt, may urgent moment.The measure adopted in prior art is: when beating admission cam shaft Bolt Torque, and the hexagonal boss on admission cam shaft fixed by needs one personal open-end wrench, and another person then beats moment; In time beating exhaust cam shaft Bolt Torque, be also like this.In a word, be all the work that needs two people could complete this station.And produce in batches or mass-produced time, on a production line during continuous productive process, a station is obviously unpractical with two people, impossible especially.For enhancing productivity, design and produce the locking fixture belonging to the present invention.
Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, there is provided a kind of structure simple, can when beating moment to camshaft bolt, realize the camshaft locking fixture of being locked by camshaft quickly and easily, described locking fixture can guarantee that camshaft can not rotate along with the rotation of bolt, this station only just can be fulfiled assignment with a people, thus save human cost, boost productivity.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of camshaft locking fixture, described locking fixture comprises tight lock part, location division, described tight lock part end is flexibly connected with end, location division, tight lock part is arranged and can be stuck on camshaft, thus stop the draw-in groove of cam axle, during described locking fixture lock cam axle, location division is connected with the connecting portion of engine cylinder body side surface, stationary positioned portion after described location division is connected with connecting portion.
Described tight lock part is set to cuboid tabular or round bar structure, and the side of tight lock part arranges draw-in groove, and the opening portion of draw-in groove is set to U-shaped structure, and when the opening portion of draw-in groove is installed on camshaft, opening portion is installed on the hexangle type boss on camshaft.
Described tight lock part is set to cuboid tabular or round bar shape structure, tight lock part one end and end, location division are by connecting pin active link, the other end of location division arranges locating hole, described connecting portion is connecting hole engine cylinder-body being installed gear box casing, during described locking fixture lock cam axle, the locating hole on location division is connected with connecting portion by bolt.
Described draw-in groove arranges two, and the opening portion of each draw-in groove forms by two projections, during locking fixture lock cam axle, in the hexagonal boss that two opening portions of two draw-in grooves are installed on admission cam shaft respectively and on the hexagonal boss of exhaust cam shaft.
The end, one end that described location division arranges locating hole arranges the support portion of bending structure, and during locking fixture lock cam axle, the support portion of described bending structure is resisted against on engine cylinder body side surface.
The tight lock part of described locking fixture is arranged the handle of the inverted U-shaped setting for compressing tight lock part.
Adopt technical scheme of the present invention, following beneficial effect can be obtained:
Camshaft locking fixture of the present invention, structure is simple, cost is low, when beating moment to camshaft bolt, can facilitate, camshaft is realized to lock quickly, described locking fixture can guarantee that camshaft can not rotate along with the rotation of bolt, needed the station that two people have cooperated in the past, a camshaft Bolt Torque can only be measured at every turn, it is admission cam axle bolt, it is exhaust cam axle bolt, and adopt locking fixture of the present invention, a people is only needed just can easily to complete, can complete simultaneously tighten into, the moment of exhaust cam axle bolt, in batch production, improve production efficiency greatly.
Accompanying drawing explanation
Brief description is made to the content expressed by each accompanying drawing of this description and the mark in figure below:
Fig. 1 is the structural representation of camshaft locking fixture of the present invention;
Working state schematic representation when Fig. 2 is camshaft locking fixture lock cam axle of the present invention;
Be labeled as in figure: 1, tight lock part; 2, location division; 3, camshaft; 4, draw-in groove; 5, opening portion; 6, connecting portion; 7, hexangle type boss; 8, connecting pin; 9, locating hole; 10, projection; 11, admission cam shaft; 12, exhaust cam shaft; 13, support portion; 14, handle; 15, engine cylinder-body.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail:
As shown in accompanying drawing 1, accompanying drawing 2, the present invention is a kind of camshaft locking fixture, described locking fixture comprises tight lock part 1, location division 2, described tight lock part 1 end is flexibly connected with end, location division 2, tight lock part 1 is arranged and can be stuck on camshaft 3, thus stop the draw-in groove 4 that camshaft 3 rotates, during described locking fixture lock cam axle 3, location division 2 is connected with the connecting portion 6 of engine cylinder-body 15 side, and described location division 2 is connected rear stationary positioned portion 2 with connecting portion 6.
Described tight lock part 1 is set to cuboid tabular or round bar structure, the side of tight lock part 1 is arranged draw-in groove 4, the opening portion 5 of draw-in groove 4 is set to U-shaped structure, and when the opening portion 5 of draw-in groove 4 is installed on camshaft 3, opening portion 5 is installed on the hexangle type boss 7 on camshaft 3.
Described tight lock part 1 is set to cuboid tabular or round bar shape structure, tight lock part 1 one end and end, location division 2 are by connecting pin 8 active link, the other end of location division 2 arranges locating hole 9, described connecting portion 6 is connecting hole engine cylinder-body 15 being installed gear box casing, during described locking fixture lock cam axle 3, the locating hole 9 on location division 2 is connected with connecting portion 6 by bolt.
Described draw-in groove 4 arranges two, the opening portion 5 of each draw-in groove 4 forms by two projections 10, during locking fixture lock cam axle 3, in the hexagonal boss 7 that two opening portions 5 of two draw-in grooves 4 are installed on admission cam shaft 11 respectively and on the hexagonal boss 7 of exhaust cam shaft 12.
The end, one end that described location division 2 arranges locating hole 9 arranges the support portion 13 of bending structure, and during locking fixture lock cam axle 3, the support portion 13 of bending structure is resisted against on engine cylinder body side surface.
Camshaft locking fixture of the present invention, when needs are locked camshaft, in the hexagonal boss 7 first opening portion 5 of the draw-in groove 4 on tight lock part 1 being installed on respectively admission cam shaft 11 and the hexagonal boss 7 of exhaust cam shaft 12, then the locating hole 9 of end, location division 2 is connected with connecting portion 6 by bolt, like this, just can guarantee admission cam shaft 11, exhaust cam shaft 12 can not rotate, torgue measurement work can be carried out to camshaft bolt.
The tight lock part 1 of locking fixture is arranged the handle 14 of the inverted U-shaped setting for compressing tight lock part 1.
Camshaft locking fixture of the present invention, structure is simple, cost is low, when raising axle bolt moment, can facilitate, camshaft is realized to lock quickly, described locking fixture can guarantee that camshaft can not rotate along with the rotation of bolt, needed the station that two people have cooperated in the past, the moment of a camshaft bolt can only be completed at every turn, it is admission cam axle bolt, it is exhaust cam axle bolt, and adopt locking fixture of the present invention, a people is only needed just can easily to complete, can complete simultaneously tighten into, the moment of exhaust cam axle bolt, in batch production, improve production efficiency greatly.
Above by reference to the accompanying drawings to invention has been exemplary description; the concrete realization of obvious the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasions, all in protection scope of the present invention without to improve.

Claims (2)

1. a camshaft locking fixture, described locking fixture comprises tight lock part (1), location division (2), described tight lock part (1) end is flexibly connected with location division (2) end, the upper setting of tight lock part (1) can be stuck on camshaft (3), thus stop the draw-in groove (4) that camshaft (3) rotates, during described locking fixture lock cam axle (3), location division (2) is connected with the connecting portion (6) of engine cylinder-body (15) side, stationary positioned portion (2) after described location division (2) is connected with connecting portion (6),
Described tight lock part (1) is set to cuboid tabular or round bar structure, the side of tight lock part (1) is arranged draw-in groove (4), the opening portion (5) of draw-in groove (4) is set to U-shaped structure, when the opening portion (5) of draw-in groove (4) is installed on camshaft (3), opening portion (5) are installed on the hexangle type boss (7) on camshaft (3);
Described tight lock part (1) is set to cuboid tabular or round bar shape structure, tight lock part (1) one end and location division (2) end are by connecting pin (8) active link, the other end of location division (2) arranges locating hole (9), the connecting hole that described connecting portion (6) installs gear box casing for engine cylinder-body (15) is upper, during described locking fixture lock cam axle (3), the locating hole (9) on location division (2) is connected with connecting portion (6) by bolt;
It is characterized in that: described draw-in groove (4) arranges two, the opening portion (5) of each draw-in groove (4) forms by two projections (10), during locking fixture lock cam axle (3), two opening portions (5) of two draw-in grooves (4) are installed on the hexagonal boss (7) of the upper and exhaust cam shaft (12) of the hexagonal boss (7) of admission cam shaft (11) respectively;
The end, one end that described location division (2) arranges locating hole (9) arranges the support portion (13) of bending structure, during locking fixture lock cam axle (3), the support portion (13) of described bending structure is resisted against on engine cylinder body side surface.
2. camshaft locking fixture according to claim 1, is characterized in that: the upper setting of tight lock part (1) of described locking fixture is for compressing the handle (14) of the inverted U-shaped setting of tight lock part (1).
CN201210264514.9A 2012-07-28 2012-07-28 Camshaft locking tool Expired - Fee Related CN102794641B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210264514.9A CN102794641B (en) 2012-07-28 2012-07-28 Camshaft locking tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210264514.9A CN102794641B (en) 2012-07-28 2012-07-28 Camshaft locking tool

Publications (2)

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CN102794641A CN102794641A (en) 2012-11-28
CN102794641B true CN102794641B (en) 2015-02-04

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109676377B (en) * 2019-03-04 2020-09-22 北华大学 Cap-buckling type assembling tool for cam mechanism of anti-theft lock

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1614200A (en) * 2004-12-03 2005-05-11 长安汽车(集团)有限责任公司 Timing gear installing method for engjine
CN201559058U (en) * 2009-12-15 2010-08-25 山西西龙池抽水蓄能电站有限责任公司 Ultra-large bolt fastener
CN102490140A (en) * 2011-12-23 2012-06-13 江铃汽车股份有限公司 Timing positioning device for camshaft
CN202292520U (en) * 2011-11-12 2012-07-04 重庆市北碚区枫火机械制造有限公司 Disc component pressing and positioning fixture
CN202716184U (en) * 2012-07-28 2013-02-06 锐展(铜陵)科技有限公司 Cam shaft locking tool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4144319B2 (en) * 2002-10-15 2008-09-03 トヨタ自動車株式会社 Valve mechanism for internal combustion engine and camshaft assembly method in the mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1614200A (en) * 2004-12-03 2005-05-11 长安汽车(集团)有限责任公司 Timing gear installing method for engjine
CN201559058U (en) * 2009-12-15 2010-08-25 山西西龙池抽水蓄能电站有限责任公司 Ultra-large bolt fastener
CN202292520U (en) * 2011-11-12 2012-07-04 重庆市北碚区枫火机械制造有限公司 Disc component pressing and positioning fixture
CN102490140A (en) * 2011-12-23 2012-06-13 江铃汽车股份有限公司 Timing positioning device for camshaft
CN202716184U (en) * 2012-07-28 2013-02-06 锐展(铜陵)科技有限公司 Cam shaft locking tool

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