JP2015077939A - Hub mounting jig for rear axle - Google Patents

Hub mounting jig for rear axle Download PDF

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JP2015077939A
JP2015077939A JP2013217652A JP2013217652A JP2015077939A JP 2015077939 A JP2015077939 A JP 2015077939A JP 2013217652 A JP2013217652 A JP 2013217652A JP 2013217652 A JP2013217652 A JP 2013217652A JP 2015077939 A JP2015077939 A JP 2015077939A
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axle
hub
mounting jig
attachment
tire wheel
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JP6187135B2 (en
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知之 山口
Tomoyuki Yamaguchi
知之 山口
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いすゞ自動車株式会社
Isuzu Motors Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a hub mounting jig for a rear axle that allows a tire wheel assembly mounted with a hub to be easily and accurately assembled to a rear axle of an automobile.SOLUTION: The hub mounting jig for a rear axle is constituted of: an attachment 1 that can be coaxially attached to an end of a rear axle case part 21 of an automobile and has a male screw 4 formed therein; a main body 3 that has a female screw 10 to be screwed into the male screw 4 of the attachment 1 and has a diameter thicker than an inner diameter of a hub 25 mounted on a tire wheel assembly; and a handle 2 that is fastened on the outer face of the main body 3 and extends in a nearly radial direction.

Description

本発明はリアアクスル用のハブ取付治具に関し、更に詳しくは、自動車のリアアクスルにタイヤホイール組立体を容易かつ正確に組み付けることができるリアアクスル用のハブ取付治具に関する。   The present invention relates to a hub mounting jig for a rear axle, and more particularly to a hub mounting jig for a rear axle that can easily and accurately assemble a tire wheel assembly to a rear axle of an automobile.

トラックなどの自動車は、図9に示すように、荷重分担や動力伝達などを目的とするリアアクスル20を備えている(例えば、特許文献1を参照)。このリアアクスル20においては、固定車軸の役目を有するアクスルケース部21に、ホイール22A、22Bにタイヤ23A、23Bをそれぞれ取り付けてなるタイヤホイール組立体24A、24Bに装着されたハブ25を外挿させて組み付けるようになっている。なお、図9の例は、2個のタイヤホイール組立体24A、24Bを並列に組み付ける、いわゆるダブルタイヤの装着形態を示している。   An automobile such as a truck is provided with a rear axle 20 for load sharing, power transmission, and the like as shown in FIG. 9 (see, for example, Patent Document 1). In the rear axle 20, a hub 25 attached to tire wheel assemblies 24A and 24B each having tires 23A and 23B attached to wheels 22A and 22B is extrapolated to an axle case portion 21 serving as a fixed axle. To be assembled. The example of FIG. 9 shows a so-called double tire mounting configuration in which two tire wheel assemblies 24A and 24B are assembled in parallel.

従来、このタイヤホイール組立体24A、24Bの具体的な組付作業は、車体外側のタイヤ23B側面の2箇所(図9中の矢印を参照)を大型ハンマーで交互に打撃して、アクスルケース部21にハブ25を中間ばめすることにより行われていた。   Conventionally, a specific assembling operation of the tire wheel assemblies 24A and 24B is performed by hitting two places (see arrows in FIG. 9) on the side of the tire 23B on the outer side of the vehicle body with a large hammer alternately. 21 by fitting the hub 25 to the middle.

このアクスルケース部21は、図10に示すように、根元の中間ばめ部26から細径の先端部27へかけて段差部28が形成された中空の形状を有している。そのため、上記のような組付作業では、タイヤホイール組立体24A、24Bとアクスルケース部21との中心軸が合いにくくなるため、ハブ25が段差部28に引っかかってタイヤホイール組立体24A、24Bの組み付けが困難になるという問題があった。また、タイヤホイール組立体24A、24Bに加わる圧力が不均等かつ不連続になるため、タイヤホイール組立体24を正確に組み付けることが難しいという問題もあった。   As shown in FIG. 10, the axle case portion 21 has a hollow shape in which a stepped portion 28 is formed from a root intermediate fit portion 26 to a small-diameter tip portion 27. Therefore, in the assembling work as described above, the center axis of the tire wheel assemblies 24A and 24B and the axle case portion 21 is difficult to be aligned, so that the hub 25 is caught by the step portion 28 and the tire wheel assemblies 24A and 24B. There was a problem that assembly became difficult. Further, since the pressure applied to the tire wheel assemblies 24A and 24B is uneven and discontinuous, there is a problem that it is difficult to correctly assemble the tire wheel assembly 24.

特開2011−5932号公報JP 2011-5932 A

本発明の目的は、自動車のリアアクスルに、ハブが装着されたタイヤホイール組立体を容易かつ正確に組み付けることができるリアアクスル用のハブ取付治具を提供することにある。   An object of the present invention is to provide a hub mounting jig for a rear axle that can easily and accurately assemble a tire wheel assembly having a hub mounted on a rear axle of an automobile.

上記の目的を達成する本発明のリアアクスル用のハブ取付治具は、自動車のリアアクスルのアクスルケース部に、ハブが装着されたタイヤホイール組立体の前記ハブを外嵌させて組み付けるためのハブ取付治具であって、前記アクスルケース部の先端に同軸で取付可能であって、かつ雄ネジ部を有する棒状のアタッチメントと、前記アタッチメントの雄ネジ部に螺合する雌ネジ部を有し、かつ外径が前記ハブの内径よりも太径である円筒状の本体と、前記本体の外面に固定された略径方向へ延びるハンドルとを備えることを特徴とするものである。   A hub mounting jig for a rear axle according to the present invention that achieves the above object is a hub for externally fitting and mounting the hub of a tire wheel assembly having a hub mounted on an axle case portion of a rear axle of an automobile. It is a mounting jig, can be attached coaxially to the tip of the axle case part, and has a rod-like attachment having a male screw part, and a female screw part screwed into the male screw part of the attachment, A cylindrical main body having an outer diameter larger than the inner diameter of the hub and a handle extending in a substantially radial direction fixed to the outer surface of the main body.

本発明のリアアクスル用のハブ取付治具によれば、リアアクスルのアクスルケース部の先端に同軸に取り付けられた棒状のアタッチメントをハブに通過させ、そのアタッチメントに螺合する円筒状の本体を介してタイヤホイール組立体を押し込むようにしたので、ハブが装着されたタイヤホイール組立体をリアアクスルに容易かつ正確に組み付けることができる。   According to the hub mounting jig for a rear axle of the present invention, the rod-shaped attachment that is coaxially attached to the tip of the axle case portion of the rear axle is passed through the hub, and is passed through the cylindrical main body that is screwed to the attachment. Since the tire wheel assembly is pushed in, the tire wheel assembly to which the hub is attached can be easily and accurately assembled to the rear axle.

本発明の実施の形態からなるリアアクスル用のハブ取付治具を示す斜視図である。It is a perspective view which shows the hub attachment jig for rear axles which consists of embodiment of this invention. アタッチメントの軸方向の半断面図である。It is a half sectional view of the axial direction of an attachment. 本体の軸方向の半断面図である。It is a half sectional view of the axial direction of a main part. タイヤホイール組立体の例を示す軸方向の断面図である。It is sectional drawing of the axial direction which shows the example of a tire wheel assembly. リアアクスルへのタイヤホイール組立体の組付作業の最初の作業工程を説明する断面図である。It is sectional drawing explaining the first work process of the assembly | attachment operation | work of the tire wheel assembly to a rear axle. 図5の次の作業工程を説明する断面図である。FIG. 6 is a cross-sectional view illustrating the next work process of FIG. 5. 図6の次の作業工程を説明する断面図である。FIG. 7 is a cross-sectional view illustrating the next work process of FIG. 6. 図7の次の作業工程を説明する断面図である。FIG. 8 is a cross-sectional view illustrating the next work process of FIG. 7. 従来のリアアクスルへのタイヤホイール組立体の取付作業を説明する斜視図である。It is a perspective view explaining the attachment operation | work of the tire wheel assembly to the conventional rear axle. リアアクスルのアクスルケース部の断面図である。It is sectional drawing of the axle case part of a rear axle.

以下に、本発明の実施の形態について、図面を参照して説明する。図1〜3は、本発明の実施形態からなるリアアクスル用のハブ取付治具を示す。   Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a hub mounting jig for a rear axle according to an embodiment of the present invention.

このリアアクスル用のハブ取付治具(以下、単に「ハブ取付治具」という。)は、図1に示すように、アタッチメント1と、略径方向に延びるハンドル2が外面に固定された本体3とを組み合わせたものである。   As shown in FIG. 1, the rear axle hub mounting jig (hereinafter simply referred to as “hub mounting jig”) includes an attachment 1 and a main body 3 having a handle 2 extending substantially in the radial direction fixed to the outer surface. Are combined.

アタッチメント1は、図2に示すように、雄ネジ4が表面に形成された円柱状のシャフト部5と、そのシャフト部5の一端に外嵌固定された円筒状のソケット部6とから構成される。ソケット部6には、フロントアスクル20のアクスルケース部21の先端部27(図10を参照)に予め形成される雄ネジに螺合可能な雌ネジ7が形成されている。また、シャフト部5の他端は、軸方向に沿って一対の平面8を形成することで細径になっており、更にそれらの平面8間を貫通する小孔9が設けられている。   As shown in FIG. 2, the attachment 1 includes a cylindrical shaft portion 5 having a male screw 4 formed on the surface thereof, and a cylindrical socket portion 6 that is externally fixed to one end of the shaft portion 5. The The socket portion 6 is formed with a female screw 7 that can be screwed into a male screw that is formed in advance at a distal end portion 27 (see FIG. 10) of the axle case portion 21 of the front axle 20. The other end of the shaft portion 5 has a small diameter by forming a pair of planes 8 along the axial direction, and further provided with a small hole 9 penetrating between the planes 8.

本体3は略円筒状の形状を有しており、図3に示すように、アタッチメント1のシャフト部5に形成された雄ネジ4に螺合する雌ネジ10が形成された頭部11と、その頭部11の端部に固定された押圧部12とを有している。   The main body 3 has a substantially cylindrical shape, and as shown in FIG. 3, a head 11 having a female screw 10 that is screwed into a male screw 4 formed on the shaft portion 5 of the attachment 1, And a pressing portion 12 fixed to the end portion of the head portion 11.

頭部11の表面には、上述した一対のハンドル2が固定されている。また、押圧部12には、アタッチメント1のソケット部6が嵌合する嵌合孔13が形成されている。更に、押圧部12の開口部14側の外径は、タイヤホイール組立体24A、24Bのハブ25の内径よりも太径になっているとともに、開口縁部にはテーパ15が形成されている。   The pair of handles 2 described above are fixed to the surface of the head 11. In addition, the pressing portion 12 is formed with a fitting hole 13 into which the socket portion 6 of the attachment 1 is fitted. Furthermore, the outer diameter of the pressing portion 12 on the opening 14 side is larger than the inner diameter of the hub 25 of the tire wheel assemblies 24A and 24B, and a taper 15 is formed at the opening edge.

このようなハブ取付治具を用いたリアアクスル20へのタイヤホイール組立体24A、24Bの組付作業を以下に説明する。なお、リアアクスル20に組み付けられるタイヤホイール組立体24A、24Bは、図4の例に示すように、一般的にホイール22A、22Bにハブ25及びブレーキドラム29が装着された構成を有するが、この組付作業に関係するのはハブ25のみであるため、以下の図5〜8においては、ハブ25以外の構成部品を省略している。   The assembly work of the tire wheel assemblies 24A and 24B to the rear axle 20 using such a hub mounting jig will be described below. The tire wheel assemblies 24A and 24B assembled to the rear axle 20 generally have a configuration in which a hub 25 and a brake drum 29 are mounted on the wheels 22A and 22B as shown in the example of FIG. Since only the hub 25 is related to the assembling work, components other than the hub 25 are omitted in the following FIGS.

最初に、図5に示すように、アクスルケース部21の先端部27に予め形成された雄ネジに、ソケット部6の雌ネジ7を螺合させることで、アタッチメント1をアクスルケース部21に同軸になるように取り付ける。このとき、シャフト部5の他端の小孔9にドライバー等の棒状の工具を挿入してトルクをかけることで、アタッチメント1とアクスルケース部21との取付状態を確実にすることができる。   First, as shown in FIG. 5, the attachment 1 is coaxially connected to the axle case portion 21 by screwing the female screw 7 of the socket portion 6 into a male screw formed in advance at the distal end portion 27 of the axle case portion 21. Install so that it becomes. At this time, the attachment state of the attachment 1 and the axle case portion 21 can be ensured by inserting a rod-like tool such as a screwdriver into the small hole 9 at the other end of the shaft portion 5 and applying torque.

次に、図6に示すように、ハブ25にアクスルケース部21を通過させて、アタッチメント1のシャフト部5の先端部分を外側へ突出させる。   Next, as shown in FIG. 6, the axle case portion 21 is passed through the hub 25, and the tip portion of the shaft portion 5 of the attachment 1 is projected outward.

そして、図7に示すように、外側へ突出したアタッチメント1に本体3を押圧部12側から取り付けて、シャフト部5の雄ネジ4に頭部11の雌ネジ10を螺合させつつハンドル2を介して本体3を回転させる。このとき、シャフト部5の他端が細径になっているため、雄ネジ4と雌ネジ10の螺合の開始が容易になる。   Then, as shown in FIG. 7, the main body 3 is attached to the attachment 1 protruding outward from the pressing portion 12 side, and the handle 2 is screwed while the female screw 10 of the head portion 11 is screwed to the male screw 4 of the shaft portion 5. The main body 3 is rotated. At this time, since the other end of the shaft portion 5 has a small diameter, the screwing of the male screw 4 and the female screw 10 can be easily started.

本体3を回転させていくと、押圧部12のテーパ15がハブ25の端部に当接して、ハブ25とともにタイヤホイール組立体24A、24Bが本体3によりリアアクスル20に向けて押し込まれる。タイヤホイール組立体24A、24Bが押し込まれる際には、アクスルケース部21とタイヤホイール組立体24A、24Bとは同軸状態になるため、ハブ25がアクスルケース部21の段差部28に引っかかることはない。   As the main body 3 is rotated, the taper 15 of the pressing portion 12 comes into contact with the end portion of the hub 25, and the tire wheel assemblies 24 </ b> A and 24 </ b> B are pushed toward the rear axle 20 by the main body 3. When the tire wheel assemblies 24A and 24B are pushed in, the axle case portion 21 and the tire wheel assemblies 24A and 24B are in a coaxial state, so the hub 25 is not caught by the step portion 28 of the axle case portion 21. .

最後に、図8に示すように、本体3の押圧部12の嵌合孔13に、アタッチメント1のソケット部6を嵌合させつつ、ハブ25をアクスルケース部21の中間ばめ部26に嵌め合わせる。このとき、タイヤホイール組立体24A、24Bには、本体3によりテーパ15を介して径方向に均等に圧力が加わるため、タイヤホイール組立体24A、24Bをアクスルケース部21に正確に中間ばめすることができる。   Finally, as shown in FIG. 8, the hub 25 is fitted to the intermediate fitting portion 26 of the axle case portion 21 while the socket portion 6 of the attachment 1 is fitted into the fitting hole 13 of the pressing portion 12 of the main body 3. Match. At this time, since the tire wheel assemblies 24A and 24B are evenly pressurized in the radial direction by the main body 3 via the taper 15, the tire wheel assemblies 24A and 24B are accurately intermediately fitted to the axle case portion 21. be able to.

以上のようにして、本発明のハブ取付治具を用いることで、自動車のリアアクスル20に、ハブ25が装着されたタイヤホイール組立体24A、24Bを容易かつ正確に組み付けることができるのである。   As described above, by using the hub mounting jig of the present invention, the tire wheel assemblies 24A and 24B to which the hub 25 is attached can be easily and accurately assembled to the rear axle 20 of the automobile.

1 アタッチメンチ
2 ハンドル
3 本体
4 (アタッチメントの)雄ネジ
10 (本体の)雌ネジ
11 頭部
12 押圧部
13 嵌合孔
15 テーパ
20 リアアクスル
21 アクスルケース部
24A、24B タイヤホイール組立体
25 ハブ
26 中間ばめ部
28 段差部
29 ブレーキドラム
DESCRIPTION OF SYMBOLS 1 Attachment 2 Handle 3 Main body 4 Male screw 10 (attachment) Female screw 11 (Main body) Female screw 11 Head 12 Press part 13 Fitting hole 15 Taper 20 Rear axle 21 Axle case part 24A, 24B Tire wheel assembly 25 Hub 26 Intermediate fit part 28 Step part 29 Brake drum

Claims (4)

  1. 自動車のリアアクスルのアクスルケース部に、ハブが装着されたタイヤホイール組立体の前記ハブを外嵌させて組み付けるためのハブ取付治具であって、
    前記アクスルケース部の先端に同軸で取付可能であって、かつ雄ネジ部を有する棒状のアタッチメントと、前記アタッチメントの雄ネジ部に螺合する雌ネジ部を有し、かつ外径が前記ハブの内径よりも太径である円筒状の本体と、前記本体の外面に固定された略径方向へ延びるハンドルとを備えることを特徴とするリアアクスル用のハブ取付治具。
    A hub mounting jig for externally fitting and mounting the hub of a tire wheel assembly with a hub mounted on an axle case portion of a rear axle of an automobile,
    A rod-like attachment that can be coaxially attached to the tip of the axle case portion and has a male screw portion, a female screw portion that is screwed into the male screw portion of the attachment, and an outer diameter of the hub A hub mounting jig for a rear axle, comprising: a cylindrical main body having a diameter larger than an inner diameter; and a handle that is fixed to an outer surface of the main body and extends in a substantially radial direction.
  2. 前記本体の一端部の周縁部にテーパーを形成した請求項1に記載のリアアクスル用のハブ取付治具。   The hub mounting jig for a rear axle according to claim 1, wherein a taper is formed at a peripheral edge portion of one end portion of the main body.
  3. 前記アタッチメントにおける前記アクスルケース部に取り付ける側と反対側の端部を細径にするとともに、その細径にした部分に径方向に延びる貫通孔を形成した請求項1又は2に記載のリアアクスル用のハブ取付治具。   3. The rear axle according to claim 1, wherein an end of the attachment opposite to a side attached to the axle case portion has a small diameter, and a through hole extending in a radial direction is formed in the narrowed portion. Hub mounting jig.
  4. 前記タイヤホイール組立体にブレーキドラムを装着した請求項1〜3のいずれか1項に記載のリアアクスル用のハブ取付治具。   The hub mounting jig for a rear axle according to any one of claims 1 to 3, wherein a brake drum is mounted on the tire wheel assembly.
JP2013217652A 2013-10-18 2013-10-18 Hub mounting jig for rear axle Active JP6187135B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105365506A (en) * 2015-11-28 2016-03-02 吴定学 Mounting and dismounting apparatus of automobile tire

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51129001A (en) * 1975-05-02 1976-11-10 Suzue Kondo Tire removing device
JPS52167703U (en) * 1977-06-07 1977-12-19
JPS54103455U (en) * 1977-12-29 1979-07-20
US5408732A (en) * 1994-02-18 1995-04-25 William D. Leseberg Wheel hub puller particularly suited for heavy duty trucks, buses and trailers
JP2009061835A (en) * 2007-09-04 2009-03-26 Koji Kutsukake Wheel mounting tool for large vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51129001A (en) * 1975-05-02 1976-11-10 Suzue Kondo Tire removing device
JPS52167703U (en) * 1977-06-07 1977-12-19
JPS54103455U (en) * 1977-12-29 1979-07-20
US5408732A (en) * 1994-02-18 1995-04-25 William D. Leseberg Wheel hub puller particularly suited for heavy duty trucks, buses and trailers
JP2009061835A (en) * 2007-09-04 2009-03-26 Koji Kutsukake Wheel mounting tool for large vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105365506A (en) * 2015-11-28 2016-03-02 吴定学 Mounting and dismounting apparatus of automobile tire

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