CN2675879Y - Concrete pump fan driving system - Google Patents
Concrete pump fan driving system Download PDFInfo
- Publication number
- CN2675879Y CN2675879Y CN 200320120584 CN200320120584U CN2675879Y CN 2675879 Y CN2675879 Y CN 2675879Y CN 200320120584 CN200320120584 CN 200320120584 CN 200320120584 U CN200320120584 U CN 200320120584U CN 2675879 Y CN2675879 Y CN 2675879Y
- Authority
- CN
- China
- Prior art keywords
- concrete pump
- driving system
- back pressure
- fan driving
- cooling fan
- 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
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model belongs to a concrete conveying mechanical field, relating to a concrete pump hydraulic oil cooling fan driving system. The aim of the utility model lie in providing a concrete pump hydraulic oil cooling fan driving system having simple structure, low cost and convenient maintenance. The technical proposal of the concrete pump hydraulic oil cooling fan driving system is that the concrete pump hydraulic oil cooling fan driving system comprises a concrete pump agitating system oil path 5, and the concrete pump hydraulic oil cooling fan driving system also comprises a backpressure valve block 1; the an opening of the backpressure valve block 1 is connected with the T opening of an agitating oil returning opening, the b opening of the backpressure valve block 1 is connected with the hydraulic motor 2 of a fan, the other end of the hydraulic motor 2 of the fan is connected with an oil tank, and the damping hole d of the backpressure valve block 1 is connected with the by-pass oil path 4 of the oil tank. The concrete pump hydraulic oil cooling fan driving system has simple structure, low cost and convenient maintenance, and greatly optimizes system configuration.
Description
Technical field
The utility model belongs to the concrete conveyer field, relates to hydraulic driving system, particularly the drive system of concrete pump hydraulic oil cooling fan.
Background technique
Traditional is the concrete pump of power with the motor, the driving of hydraulic oil cooling fan is normally by the drive power source gear pump, the high pressure oil of gear pump outlet enters the filler opening of fan gear motor, the gear motor rotation, thus drive the cooling fan rotation.As shown in Figure 1, this drive system generally is made up of motor, gear pump, safety valve etc., complex structure, and the cost height, maintenance cost is big.
Summary of the invention
The purpose of this utility model is exactly the defective that overcomes above-mentioned prior art, and concrete pump hydraulic oil cooling fan drive system a kind of simple in structure, with low cost, easy to maintenance is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of concrete pump fan drive system, comprise concrete pump stirring system oil circuit 5, and it is characterized in that it also comprises back pressure valve piece 1; The a mouth of back pressure valve piece 1 connects and stirs the oil return inlet T mouth, the b mouth wind-receiving fan oil hydraulic motor 2 of back pressure valve piece 1, and the other end of fan oil hydraulic motor 2 connects fuel tank, the bleed off circuit 4 of the damping hole d connected tank of back pressure valve piece 1.
The drive system that the utility model provides does not need to set up motor, gear pump, relief valve mechanism separately, but utilizes the stirring system oil return generation back pressure in the concrete pump hydraulic driving system to come the fan motor rotation.This back pressure provides the motor rotation required pressure, by the reliable design of bypass damping hole on the back pressure valve piece, can make back pressure be no more than the Maximum operating pressure of stirring system when fan motor breaks down stall simultaneously, guarantees the stirring system reliably working.
As further improvement of the utility model, the c mouth of back pressure valve piece 1 connects a ball valve 3, and ball valve 3 connects fuel tank.In the time need not cooling off hydraulic oil, open this ball valve, the whole oil sump tanks of hydraulic oil, thus fan is stopped the rotation.
The beneficial effects of the utility model are: need not to set up separately driving mechanism, but the back pressure of utilizing the stirring system oil return to produce is come the fan motor rotation, the size of back pressure depends on the size of bypass damping hole latus rectum on the back pressure valve piece.Compare with conventional construction, the utility model is simple in structure, and is with low cost, easy to maintenance, optimized system layout widely.
Description of drawings
Fig. 1 is the fan fluid motor-driven loop in the background technique.
Fig. 2 is the cross-section structure enlarged view of the utility model back pressure valve piece.
Fig. 3 is a structural representation of the present utility model.
1-back pressure valve piece 2-fan motor 3-ball valve 4-fuel tank bleed off circuit 5-stirring system oil circuit
Embodiment
Fig. 3 is a hydraulic scheme of the present utility model.It among the figure concrete pump stirring system oil circuit 5, the T mouth is to stir return opening, Fig. 2 is the structure enlarged diagram of the utility model back pressure valve piece, the a mouth of back pressure valve piece 1 connects and stirs the oil return inlet T mouth, the b mouth wind-receiving fan oil hydraulic motor 2 of back pressure valve piece 1, the c mouth of the bleed off circuit 4 back pressure valve pieces 1 of the damping hole d connected tank of back pressure valve piece 1 connects a ball valve 3.Fan oil hydraulic motor 2, ball valve 3 and bleed off circuit 4 connected tanks.
T mouth hydraulic oil enters back pressure valve piece 1 back one road from bypass damping hole d oil sump tank, and another road enters oil hydraulic motor 2 and drives its rotation.Size by damping hole on the design back pressure valve piece 1 can make motor produce different rotating speeds, can guarantee that back pressure is no more than the safety pressure of stirring system when motor breaks down stall simultaneously, thereby not influence the work of stirring system.Hydraulic fluid temperature hangs down in the time of need not cooling off in the winter time, opens ball valve 3, the whole oil sump tanks of hydraulic oil, and cooling fan promptly stops the rotation.
Claims (2)
1, a kind of concrete pump fan drive system comprises concrete pump stirring system oil circuit (5), it is characterized in that, it also comprises back pressure valve piece (1); The a mouth of back pressure valve piece (1) connects and stirs the oil return inlet T mouth, the b mouth wind-receiving fan oil hydraulic motor (2) of back pressure valve piece (1), and the other end of fan oil hydraulic motor (2) connects fuel tank, the bleed off circuit (4) of the damping hole d connected tank of back pressure valve piece (1).
According to the described concrete pump fan drive system of claim, it is characterized in that 2, the c mouth of back pressure valve piece (1) connects a ball valve (3), ball valve (3) connects fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320120584 CN2675879Y (en) | 2003-11-11 | 2003-11-11 | Concrete pump fan driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320120584 CN2675879Y (en) | 2003-11-11 | 2003-11-11 | Concrete pump fan driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2675879Y true CN2675879Y (en) | 2005-02-02 |
Family
ID=34475883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320120584 Expired - Fee Related CN2675879Y (en) | 2003-11-11 | 2003-11-11 | Concrete pump fan driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2675879Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854532B (en) * | 2005-04-18 | 2010-09-01 | 卡特彼勒公司 | Electro-hydraulic system for fan driving and brake charging |
| CN102011769A (en) * | 2010-12-10 | 2011-04-13 | 徐州重型机械有限公司 | Wheeled crane and hydraulic oil cooling system and control method thereof |
| CN102398309A (en) * | 2011-11-30 | 2012-04-04 | 中联重科股份有限公司 | Concrete pumping equipment and stirring cooling driving system thereof |
| CN101981313B (en) * | 2008-07-04 | 2013-07-10 | 三菱重工业株式会社 | Wind-power generation device |
-
2003
- 2003-11-11 CN CN 200320120584 patent/CN2675879Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854532B (en) * | 2005-04-18 | 2010-09-01 | 卡特彼勒公司 | Electro-hydraulic system for fan driving and brake charging |
| CN101981313B (en) * | 2008-07-04 | 2013-07-10 | 三菱重工业株式会社 | Wind-power generation device |
| CN102011769A (en) * | 2010-12-10 | 2011-04-13 | 徐州重型机械有限公司 | Wheeled crane and hydraulic oil cooling system and control method thereof |
| CN102011769B (en) * | 2010-12-10 | 2014-12-10 | 徐州重型机械有限公司 | Wheeled crane and hydraulic oil cooling system and control method thereof |
| CN102398309A (en) * | 2011-11-30 | 2012-04-04 | 中联重科股份有限公司 | Concrete pumping equipment and stirring cooling driving system thereof |
| CN102398309B (en) * | 2011-11-30 | 2013-11-13 | 中联重科股份有限公司 | Concrete pumping equipment and stirring cooling driving system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050202 Termination date: 20091211 |