JPH0743444Y2 - Hydraulic oil tank - Google Patents
Hydraulic oil tankInfo
- Publication number
- JPH0743444Y2 JPH0743444Y2 JP1988148008U JP14800888U JPH0743444Y2 JP H0743444 Y2 JPH0743444 Y2 JP H0743444Y2 JP 1988148008 U JP1988148008 U JP 1988148008U JP 14800888 U JP14800888 U JP 14800888U JP H0743444 Y2 JPH0743444 Y2 JP H0743444Y2
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- hydraulic oil
- communication hole
- wall
- attached
- 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
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、建設機械用ダンプトラック等の車体に取付け
られる作動油タンクに関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a hydraulic oil tank attached to a vehicle body such as a dump truck for construction machinery.
建設機械用ダンプトラックは、ステアリングシリンダを
備えた油圧作動式燥舵機構、ホイストシリンダ、油圧式
リターダブレーキ等を備えているので、それらの作動油
を貯えるための作動油タンクを必要とする。Since the dump truck for construction machinery is equipped with a hydraulically operated dry steering mechanism including a steering cylinder, a hoist cylinder, a hydraulic retarder brake, etc., a hydraulic oil tank for storing these hydraulic oils is required.
しかしながら、３つの作動油タンクを備えると取付けス
ペースやコストの面で不利となるから、１つの作動油タ
ンクによりそれぞれの作動油を貯えている。However, if three hydraulic oil tanks are provided, it is disadvantageous in terms of installation space and cost. Therefore, one hydraulic oil tank stores each hydraulic oil.
１つの作動油タンクに各作動油を貯えると、ステアリン
グシリンダへ流通する作動油、ホイストシリンダへ流通
する作動油、リターダ用作動油が混合してしまうから油
温上昇したり、異物が混入したりするので好ましくな
い。If each hydraulic oil is stored in one hydraulic oil tank, the hydraulic oil that flows to the steering cylinder, the hydraulic oil that flows to the hoist cylinder, and the hydraulic oil for the retarder will be mixed, so that the oil temperature will rise and foreign matter will enter. Is not preferred.
これを解決するには作動油タンク内を隔壁によって複数
の室に区分すれば良いが、このようにすると各室にブリ
ーザをそれぞれ取付けねばらなずブリーザの数が多くな
ってコストが高くなると共に、作動油タンクの組立作業
が面倒となる。In order to solve this, it is sufficient to divide the inside of the hydraulic oil tank into multiple chambers by partition walls, but this makes it necessary to install a breather in each chamber, which increases the number of breathers and increases the cost. Assembling the hydraulic oil tank is troublesome.
そこで、本考案は前述の課題を解決できるようにした作
動油タンクを提供することを目的とする。Therefore, an object of the present invention is to provide a hydraulic oil tank capable of solving the above problems.
前壁10と後壁11と上壁12と下壁13と一側壁14と他側壁15
とにより中空箱状の本体16とし、この本体16に縦向きの
隔壁17を設けて本体16内を第１室18と第２室19に区画
し、 前記前壁10に第１注油管20を第１室18に開口して取付け
ると共に、第１室18内の油面高さを検出する第１油面点
検窓22を設け、 前記前壁10に第２注油管21に第２室19に開口して取付け
ると共に、第２室19内の油面高さを検出する第２油面点
検窓23を設け、 前記本体16の下部には第１室18に突出する第１吸引パイ
プ351と第２室19に突出する第２吸引パイプ352を設け、 前記上壁12にカバー体40を取付けて上部室41を形成し、
その上壁12には上部室41と第１室18を連通する第１連通
穴42と上部室41と第２室19を連通する第２連通穴43を形
成し、その上壁12における第１連通穴42と第２連通穴43
の中間位置に立上り片44を設け、この立上り片44に第１
連通穴42、第２連通穴43より側方に突出した受け板45を
取付け、前記カバー体40の上部にブリーザー49を取付け
た作動油タンク。Front wall 10, rear wall 11, upper wall 12, lower wall 13, one side wall 14, and other side wall 15
To form a hollow box-shaped main body 16, and a vertical partition 17 is provided in the main body 16 to divide the main body 16 into a first chamber 18 and a second chamber 19, and the front wall 10 is provided with a first lubrication pipe 20. A first oil level inspection window 22 for detecting the oil level in the first chamber 18 is provided while being installed in the first chamber 18, and the front wall 10 is provided with a second oil supply pipe 21 and a second chamber 19 is provided. A second oil level inspection window 23 for detecting the oil level height in the second chamber 19 is provided while being opened and installed, and a first suction pipe 35 1 projecting into the first chamber 18 is provided at the lower portion of the main body 16. the second suction pipe 35 2 which projects into the second chamber 19 is provided, the upper chamber 41 is formed by attaching a cover body 40 to the upper wall 12,
The upper wall 12 is formed with a first communication hole 42 that communicates the upper chamber 41 and the first chamber 18, and a second communication hole 43 that communicates the upper chamber 41 and the second chamber 19 with each other. Communication hole 42 and second communication hole 43
A rising piece 44 is provided at an intermediate position of the
A hydraulic oil tank in which a receiving plate 45 protruding laterally from the communication hole 42 and the second communication hole 43 is attached, and a breather 49 is attached to the upper portion of the cover body 40.
これにより、第１室18内の作動油は第１連通穴42より上
部室41に吹き上げられ、その吹き上げられた作動油は立
上り片44と受け板45に衝突して第２連通穴43より第２室
19内に直接流れ込むことがなく、第２室19内の作動油は
第２連通穴43より上部室41に吹き上げられるが前述と同
様に立上り片44と受け板45に衝突して第１連通穴42より
第１室20内に直接流れ込むことがなく、しかも第1,第２
室18,19内の圧力気体のみがブリーザー49より排出され
る。As a result, the hydraulic oil in the first chamber 18 is blown up to the upper chamber 41 from the first communication hole 42, and the blown-up hydraulic oil collides with the rising piece 44 and the receiving plate 45, and the second communication hole 43 passes through the second communication hole 43. 2 rooms
The hydraulic oil in the second chamber 19 does not flow directly into the first chamber 19 and is blown up to the upper chamber 41 from the second communicating hole 43, but similarly to the above, it collides with the rising piece 44 and the receiving plate 45 and the first communicating hole. 42 does not flow directly into the first chamber 20, and the first and second chambers
Only the pressure gas in the chambers 18 and 19 is discharged from the breather 49.
したがって、第１室18と第２室19内の圧力気体を１つの
ブリーザー49で排出できると共に、第１室18内の作動油
と第２室19内の作動油が混合することがない。Therefore, the pressure gas in the first chamber 18 and the second chamber 19 can be discharged by the single breather 49, and the hydraulic oil in the first chamber 18 and the hydraulic oil in the second chamber 19 do not mix.
また第１室18内には第１注油管20で作動油を注入できる
し、第１吸引パイプ351で油圧ポンプ等で吸引でき、そ
の油面高さを第１油面点検窓22で点検できるから第１室
18内に常に作動油を充満させることができ、第２室19内
には第２注油管21で作動油を注入できるし、第２吸引パ
イプ352で油圧ポンプ等に吸引でき、その油面高さを第
２油面点検窓23で点検できるから第２室19内に常に作動
油を充満できるために１つの作動油タンク内に異種の作
動油を充満できる。Also in the first chamber 18 to be injected hydraulic oil in the first lubricating tube 20, the first suction pipe 35 1 can suction a hydraulic pump or the like, checking the oil level in the first oil level inspection window 22 First room
Always in 18 can be filled with hydraulic fluid, the second chamber 19 to be injected hydraulic oil in the second lubricating pipe 21, can be sucked into the hydraulic pump or the like in the second suction pipe 35 2, the oil level Since the height can be inspected through the second oil level inspection window 23, the second chamber 19 can always be filled with the hydraulic oil, so that one hydraulic oil tank can be filled with different kinds of hydraulic oil.
建設機械用ダンプトラックは第７図のように、車体１の
前部に運転室２、後部にボディ３を設けると共に、ボデ
ィ３と車体１とに亘ってホイストシリンダ４が連結して
あり、車体１における側面に作動油タンク５が取付けて
ある。As shown in FIG. 7, a dump truck for construction machinery is provided with a cab 2 in the front part of a vehicle body 1 and a body 3 in the rear part, and a hoist cylinder 4 is connected between the body 3 and the vehicle body 1. A hydraulic oil tank 5 is attached to the side surface of the hydraulic pump 1.
該作動油タンク５は第１図〜第６図のように構成してあ
る。The hydraulic oil tank 5 is constructed as shown in FIGS.
つまり、前壁10と後壁11と上壁12と下壁13と一側壁14と
他側壁15とにより中空箱状の本体16を備え、この本体16
内には縦向きの隔壁17が設けられて第１室18と第２室19
を形成していると共に、前壁10には第１、第２注油管2
0,21と第１、第２油面点検窓22,23が設けられ、キャッ
プ20a,21aを外すことで第１室18、第２室19に作動油を
注入できると共に、第１室18、第２室19内の油量が規定
量以下になったことを検知できるようにしてある。That is, the front wall 10, the rear wall 11, the upper wall 12, the lower wall 13, the one side wall 14, and the other side wall 15 are provided with a hollow box-shaped main body 16, and this main body 16
A vertical partition 17 is provided inside the first chamber 18 and the second chamber 19.
And the first and second lubrication pipes 2 are formed on the front wall 10.
0, 21 and first and second oil level inspection windows 22, 23 are provided, and hydraulic oil can be injected into the first chamber 18 and the second chamber 19 by removing the caps 20a, 21a, and the first chamber 18, The fact that the amount of oil in the second chamber 19 has fallen below the specified amount can be detected.
前記上壁12には第１、第２、第３フイルタケース24,25,
26が前方に向けて横向きに設けられ、この各フィルタケ
ース内にはフィルタエレメントが挿入してあり、蓋24a,
25a,26aを外すことでフィルタエレメントを交換できる
ようになっていると共に、各フィルタケースの略半分は
本体内に斜め突出し、かつ底部に第１室18、第２室19内
の下部まで延設した第１・第２・第３パイプ27,28,29が
それぞれ接続してあり、各フィルタケース24の先端部に
は第１、第２、第３フランジ付パイプ31,32,33がそれぞ
れ接続してある。The upper wall 12 has first, second and third filter cases 24, 25,
26 are provided laterally toward the front, and the filter element is inserted in each of the filter cases, and the lid 24a,
The filter elements can be replaced by removing 25a and 26a, and approximately half of each filter case projects diagonally into the main body and extends to the bottom of the first chamber 18 and the second chamber 19 at the bottom. The first, second, and third pipes 27, 28, and 29 are connected to each other, and the first, second, and third flanged pipes 31, 32, and 33 are connected to the tip of each filter case 24. I am doing it.
前記後壁11の下部には第１、第２孔341,342が第１室1
8、第２室19に開口するように形成されていると共に、
その第１、第２孔34,34より取付座35を有する第１、第
２吸引パイプ351,352が第１、第２室18,19内に臨ませて
あり、その取付座38に図示しない吸引側配管を接続でき
るようにしてある。In the lower part of the rear wall 11, first and second holes 34 1 and 34 2 are formed.
8, is formed to open to the second chamber 19,
First and second suction pipes 35 1 and 35 2 having mounting seats 35 from the first and second holes 34 and 34 are exposed in the first and second chambers 18 and 19, respectively. A suction side pipe (not shown) can be connected.
前記上壁12にはカバー体40が取付けられて本体16の上壁
12とによって上部室41を形成し、この上部室41は第１連
通穴42で第１室18に、第２連通穴43で第２室19にそれぞ
れ連通していると共に、立上り片44を介して受け板45が
設けられ、この受け板45の一端部45aは第１連通穴42よ
り側方に突出して第１開口部46を形成していると共に、
他端部45bは第２連通穴43より側方に突出して第２開口
部47を形成し、カバー体40の上部には取付座48が形成さ
れ、この取付座48にブリーザ49が取付けてあり、第１室
18、第２室19内の作動油圧力が上昇した時には第１・第
２連通穴42,43より上部室41内に作動油が吹き上り、そ
の作動油は受け板45に衝突して高圧気体のみがブリーザ
49より排出されると共に、上部室41内に吹き上った作動
油は立上り片44によって反対側の室、例えば第１室18よ
り吹き上った作動油が第２室19に流れ込まないようにし
てある。A cover body 40 is attached to the upper wall 12 and the upper wall of the main body 16
An upper chamber 41 is formed by 12 and the upper chamber 41 communicates with the first chamber 18 through the first communication hole 42 and the second chamber 19 through the second communication hole 43, and through the rising piece 44. And a receiving plate 45 is provided. One end portion 45a of the receiving plate 45 projects laterally from the first communication hole 42 to form a first opening 46, and
The other end 45b projects laterally from the second communication hole 43 to form a second opening 47, a mounting seat 48 is formed on the upper portion of the cover body 40, and a breather 49 is mounted on the mounting seat 48. , First room
18, when the hydraulic oil pressure in the second chamber 19 rises, the hydraulic oil blows up into the upper chamber 41 from the first and second communication holes 42, 43, and the hydraulic oil collides with the receiving plate 45 and becomes a high pressure gas. Only breatha
The hydraulic oil discharged from 49 and blown up into the upper chamber 41 is prevented by the rising piece 44 from flowing into the second chamber 19 from the opposite chamber, for example, the hydraulic oil blown up from the first chamber 18. There is.
そして、作動油タンク５は左右の取付ブラケット50,51
で車体１の側面に取付けてある。The hydraulic oil tank 5 is mounted on the left and right mounting brackets 50, 51.
It is attached to the side surface of the vehicle body 1.
第８図は油圧回路図であり、第１室18内の作動油はポン
プP1によりデマンドバルブ52に供給され、デマンドバル
ブ52によってステアリングバルブ53とホイストバルブ54
に供給されると共に、ステアリングバルブ53でステアリ
ングシリンダ55に供給制御され、ホイストバルブ54でホ
イストシリンダ４に供給制御されると共に、ホイストバ
ルブ54よりフィルタ56を経て第１室18に戻るようにな
り、第２室19内の作動油はポンプP2、ブレーキコントロ
ールバルブ57を経てリヤブレーキ58に供給された後にオ
イルクーラ59、フイルタ60,61を経て第２室19に戻るよ
うにしてあり、そのフィルタ56,60,61が前記第１、第
２、第３フィルタケース24,25,26にフィルタエレメント
を挿入したものとなり、ポンプP1,P2の吸込側が前記第
１・第２吸込パイプ351,352に接続してある。FIG. 8 is a hydraulic circuit diagram. The hydraulic oil in the first chamber 18 is supplied to the demand valve 52 by the pump P 1 , and the steering valve 53 and the hoist valve 54 are supplied by the demand valve 52.
Is supplied to the steering cylinder 55 by the steering valve 53, is supplied to the hoist cylinder 4 by the hoist valve 54, and is returned from the hoist valve 54 to the first chamber 18 through the filter 56. The hydraulic oil in the second chamber 19 is supplied to the rear brake 58 via the pump P 2 , the brake control valve 57, and then returned to the second chamber 19 via the oil cooler 59, the filters 60 and 61, and its filter. 56, 60, 61 are the filter elements inserted in the first, second, and third filter cases 24, 25, 26, and the suction sides of the pumps P 1 , P 2 are the first and second suction pipes 35 1 , it is connected to 35 2.
なお、第１室18内の作動油はエマージエンシステアリン
グポンプP3でデマンドバルブ52に供給されるようにな
り、その吸込側は第６図のように、裏板11の下部に設け
た補助吸込パイプ36に接続されるようにしてある。The hydraulic oil in the first chamber 18 is supplied to the demand valve 52 by the emergency steering pump P 3 , and the suction side thereof is an auxiliary member provided under the back plate 11 as shown in FIG. It is connected to the suction pipe 36.
第１室18内の作動油は第１連通穴42より上部室41に吹き
上げられ、その吹き上げられた作動油は立上り片44と受
け板45に衝突して第２連通穴43より第２室19内に直接流
れ込むことがなく、第２室19内の作動油は第２連通穴43
より上部室41に吹き上げられるが前述と同様に立上り片
44と受け板45に衝突して第１連通穴42より第１室20内に
直接流れ込むことがなく、しかも第1,第２室18,19内の
圧力気体のみがブリーザー49より排出される。The hydraulic oil in the first chamber 18 is blown up from the first communication hole 42 to the upper chamber 41, and the hydraulic oil blown up collides with the rising piece 44 and the receiving plate 45, and the second communication hole 43 passes through the second chamber 19. The hydraulic oil in the second chamber 19 does not flow directly into the second communication hole 43.
It is blown up into the upper chamber 41, but the rising piece
It does not collide with 44 and the receiving plate 45 and directly flow into the first chamber 20 through the first communication hole 42, and only the pressure gas in the first and second chambers 18 and 19 is discharged from the breather 49.
したがって、第１室18と第２室19内の圧力気体を１つの
ブリーザー49で排出できると共に、第１室18内の作動油
と第２室19内の作動油が混合することを防止できる。Therefore, the pressurized gas in the first chamber 18 and the second chamber 19 can be discharged by the single breather 49, and the hydraulic oil in the first chamber 18 and the hydraulic oil in the second chamber 19 can be prevented from being mixed.
しかも、第１室18内には第１注油管20で作動油を注入で
きるし、第１吸引パイプ351で油圧ポンプ等に吸引で
き、その油面高さを第１油面点検窓22で点検できるから
第１室18内に常に作動油を充満させることができ、第２
室19内には第２注油管21で作動油を注入できるし、第２
吸引パイプ352で油圧ポンプ等に吸引でき、その油面高
さを第２油面点検窓23で点検できるから第２室19内に常
に作動油を充満できる。Moreover, the first chamber 18 to be injected hydraulic oil in the first lubricating tube 20, the first suction pipe 35 1 can suction the hydraulic pump, the oil level in the first oil level inspection window 22 Since it can be inspected, the first chamber 18 can always be filled with hydraulic oil.
The hydraulic oil can be injected into the chamber 19 through the second oil supply pipe 21,
In the suction pipe 35 2 can suction the hydraulic pump can always be filled with hydraulic fluid to the second chamber 19 because can check the oil level in the second oil level sight glass 23.
したがって、１つの作動油タンク内に異種の作動油を充
満できる。Therefore, different hydraulic oils can be filled in one hydraulic oil tank.
図面は本考案の実施例を示し、第１図は第４図のＩ−Ｉ
線断面図、第２図は第１図のII−II線断面図、第３図、
第４図、第５図、第６図は作動油タンクの正面図、平面
図、側面図、背面図、第７図は建設機械用ダンプトラッ
クの正面図、第８図は油圧回路図である。 16は本体、18,19は第１・第２室、41は上部室、42,43は
第１、第２連通穴、45は受け板、49はブリーザ。FIG. 1 shows an embodiment of the present invention, and FIG. 1 shows I-I of FIG.
2 is a sectional view taken along line II-II in FIG. 1, FIG. 3,
4, 5, and 6 are a front view, a plan view, a side view, and a rear view of the hydraulic oil tank, FIG. 7 is a front view of a dump truck for construction machinery, and FIG. 8 is a hydraulic circuit diagram. . 16 is a main body, 18 and 19 are first and second chambers, 41 is an upper chamber, 42 and 43 are first and second communication holes, 45 is a receiving plate, and 49 is a breather.
Claims (1)
14と他側壁15とにより中空箱状の本体16とし、この本体
16内に縦向きの隔壁17を設けて本体16内を第１室18と第
２室19に区画し、 前記前壁10に第１注油管20を第１室18に開口して取付け
ると共に、第１室18内の油面高さを検出する第１油面点
検窓22を設け、 前記前壁10に第２注油管21を第２室19に開口して取付け
ると共に、第２室19内の油面高さを検出する第２油面点
検窓23を設け、 前記本体16の下部には第１室18に突出する第１吸引パイ
プ351と第２室19に突出する第２吸引パイプ352を設け、 前記上壁12にカバー体40を取付けて上部室41を形成し、
その上壁12には上部室41と第１室18を連通する第１連通
穴42と上部室41と第２室19を連通する第２連通穴43を形
成し、その上壁12における第１連通穴42と第２連通穴43
の中間位置に立上り片44を設け、この立上り片44に第１
連通穴42、第２連通穴43より側方に突出した受け板45を
取付け、 前記カバー体40の上部にブリーザー49を取付けたことを
特徴とする作動油タンク。1. A front wall 10, a rear wall 11, an upper wall 12, a lower wall 13 and one side wall.
A hollow box-shaped body 16 is formed by 14 and the other side wall 15.
A vertical partition 17 is provided in 16 to divide the inside of the main body 16 into a first chamber 18 and a second chamber 19, and a first oiling pipe 20 is attached to the front wall 10 by opening it in the first chamber 18, A first oil level inspection window 22 for detecting the oil level in the first chamber 18 is provided, and a second oil injection pipe 21 is attached to the front wall 10 by opening it in the second chamber 19 and at the same time in the second chamber 19. a second oil level inspection window 23 for detecting the oil level height is provided, in the lower portion of the body 16 and the second suction pipe projecting into the first suction pipe 35 1 and the second chamber 19 that protrudes into the first chamber 18 35 2 is provided, the cover body 40 is attached to the upper wall 12 to form the upper chamber 41,
The upper wall 12 is formed with a first communication hole 42 that communicates the upper chamber 41 and the first chamber 18, and a second communication hole 43 that communicates the upper chamber 41 and the second chamber 19 with each other. Communication hole 42 and second communication hole 43
A rising piece 44 is provided at an intermediate position of the
A hydraulic oil tank characterized in that a receiving plate 45 protruding laterally from the communication hole 42 and the second communication hole 43 is attached, and a breather 49 is attached to an upper portion of the cover body 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148008U JPH0743444Y2 (en) | 1988-11-15 | 1988-11-15 | Hydraulic oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148008U JPH0743444Y2 (en) | 1988-11-15 | 1988-11-15 | Hydraulic oil tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269103U JPH0269103U (en) | 1990-05-25 |
| JPH0743444Y2 true JPH0743444Y2 (en) | 1995-10-09 |
Family
ID=31418933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988148008U Expired - Lifetime JPH0743444Y2 (en) | 1988-11-15 | 1988-11-15 | Hydraulic oil tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743444Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5921102U (en) * | 1982-07-30 | 1984-02-08 | 株式会社クボタ | Structure of vehicle oil tank |
| JPS6058902U (en) * | 1983-09-29 | 1985-04-24 | リズム自動車部品製造株式会社 | Reservoir tank for master cylinder |
-
1988
- 1988-11-15 JP JP1988148008U patent/JPH0743444Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0269103U (en) | 1990-05-25 |
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