CN108591143A - Oil circuit concealed electric floor truck - Google Patents
Oil circuit concealed electric floor truck Download PDFInfo
- Publication number
- CN108591143A CN108591143A CN201810590865.6A CN201810590865A CN108591143A CN 108591143 A CN108591143 A CN 108591143A CN 201810590865 A CN201810590865 A CN 201810590865A CN 108591143 A CN108591143 A CN 108591143A
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- oil circuit
- hydraulic fluid
- storage tank
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Handcart (AREA)
Abstract
The present invention relates to a kind of oil circuit concealed electric floor truck, including driving wheel connecting seat, bracket is provided on driving wheel connecting seat, being horizontally disposed on bracket has valve block, valve block front to be provided with gear pump and motor, the first hydraulic fluid port and the second hydraulic fluid port are offered in valve block；Valve block rear portion is provided with oil cylinder and oil storage tank；Third hydraulic fluid port and the 4th hydraulic fluid port are offered on valve block upper cylinder installing zone；Valve chamber is offered in the middle part of valve block, the guiding valve that can be done and be moved forward and backward is provided in valve chamber, guiding valve has oil inlet station and oil return station in valve chamber, and when the guiding valve is in oil inlet station, oil storage tank is connected to through third oil circuit, the first oil circuit, the second oil circuit and the 5th oil circuit with oil cylinder；When the guiding valve is in oil return station, the oil storage tank is connected to through the 4th oil circuit and the 5th oil circuit with oil cylinder.It avoids previous oil pipe external caused inconvenient, while promoting carrier oil circuit stability, optimizes the positional structure of each component on entire carrier.
Description
Technical field
The present invention relates to a kind of oil circuit concealed electric floor trucks.
Background technology
On previous electronic floor truck, installation oil cylinder, oil storage tank, hydraulic pump etc. are needed, in the past when installation, respectively
Installation site of a component on floor truck from it is distant, oil cylinder, oil storage tank be mounted on rolling wheel support on, hydraulic pump some
It can be mounted in the babinet of rear side or the other positions of carrier, defect caused by this mounting means are：Hydraulic pump with
It needs to arrange peripheral oil pipe between oil storage tank and oil cylinder, arranges that disadvantage caused by peripheral oil pipe is exactly to be susceptible to oil pipe quilt
Exterior materials collision causes oil pipe to reveal, and to make the oil circuit of entire carrier, there are unstable phenomenons.
Invention content
The technical problem to be solved by the present invention is to：A kind of oil circuit concealed electric is overcome the deficiencies of the prior art and provide to remove
Trolley is transported, the exposed defect of previous oil pipe is solved.
The technical solution adopted by the present invention to solve the technical problems is：A kind of oil circuit concealed electric floor truck, packet
Driving wheel connecting seat is included, bracket is installed on the driving wheel connecting seat, valve block, the valve block front are installed on the bracket
It is provided with gear pump and the motor for driving gear pump to rotate, offers and is used in the gear pump installation area in the valve block
Coordinate the first hydraulic fluid port and the second hydraulic fluid port of oil inlet and oil outlet cooperation with gear pump；
The valve block rear portion is provided with oil cylinder and oil storage tank；It is offered on the valve block upper cylinder installing zone for being connected to oil
The third hydraulic fluid port of cylinder oil inlet is provided with the 4th oil for coordinating oil storage tank hydraulic fluid port on the oil storage tank installing zone in the valve block
Mouthful；
Valve chamber is offered in the middle part of the valve block, the first valve port, the second valve port, third valve port, the are offered in the valve chamber
Four valve ports and the 5th valve port；First valve port and the first hydraulic fluid port form the first oil circuit, second valve port and the second hydraulic fluid port
Form the second oil circuit, form third oil circuit between the third valve port and the 4th hydraulic fluid port, the 4th valve port and the 4th hydraulic fluid port it
Between formed the 4th oil circuit, between the 5th valve port and third hydraulic fluid port formed the 5th oil circuit；
The guiding valve that can be done and be moved forward and backward is provided in the valve chamber, the guiding valve has oil inlet station and oil return work in valve chamber
Position, when the guiding valve is in oil inlet station, the oil storage tank is through third oil circuit, the first oil circuit, the second oil circuit and the 5th oil
Road is connected to oil cylinder；When the guiding valve is in oil return station, the oil storage tank is through the 4th oil circuit and the 5th oil circuit and oil cylinder
Connection.
Further, the oil cylinder is fixed in valve block, and the oil storage tank is socketed in outside oil cylinder, the oil storage tank
Bottom is fixedly connected with valve block, and the oil storage tank upper end is fixedly connected with oil cylinder outer wall, the oil storage tank inner-wall and oil cylinder outer wall
Between form shoe cream room.
Further, the oil cylinder is one-way cylinder.
Further, the guiding valve includes valve rod, and the stem lower portion is offered for being connected to the first oil circuit and third oil
First valve opening on road, the valve rod top offer the second valve opening for being connected to the second oil circuit and the 5th oil circuit and for connecting
The third valve opening of logical 5th oil circuit and the 4th oil circuit.
The beneficial effects of the invention are as follows：The present invention provides a kind of oil circuit concealed electric floor truck, is pacified using valve block
Charge of oil cylinder, oil storage tank and gear pump, the oil circuit between oil cylinder, oil storage tank and gear pump are directly opened in inside valve block, keep away
It is external caused inconvenient to exempt from previous oil pipe, while promoting carrier oil circuit stability, optimizes each component on entire carrier
Positional structure.
Description of the drawings
The following further describes the present invention with reference to the drawings.
Fig. 1 is the schematic diagram of carrier front-end driven mechanism；
Fig. 2 is valve block stereogram；
Fig. 3 is the vertical view of carrier front-end driven mechanism；
Fig. 4 is the sectional view of carrier front-end driven mechanism；
Fig. 5 is distribution map of each valve port of valve chamber in valve block；
Fig. 6 is that the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port and the 4th hydraulic fluid port divide distribution map in valve block；
Fig. 7 is the first oil circuit, the second oil circuit, third oil circuit, the 4th oil circuit, distribution map of the 5th oil circuit in valve block；
Oil inlet oil circuit when Fig. 8 oil cylinders rise moves towards figure；
Fig. 9 is that oil return circuit moves towards figure when oil cylinder is retracted；
Figure 10 is trend of the hydraulic oil in guiding valve when oil cylinder rises；
Figure 11 is oil cylinder retraction constantly trend of the hydraulic oil in guiding valve；
Wherein, 1, driving wheel connecting seat, 2, valve block, the 21, first oil circuit, the 22, second oil circuit, 23, third oil circuit, 24,
Four oil circuits, the 25, the 5th oil circuit, 3, gear pump, the 31, first hydraulic fluid port, the 32, second hydraulic fluid port, 4, oil cylinder, 41, third hydraulic fluid port, 5, oil storage
Tank, the 51, the 4th hydraulic fluid port, 6, valve chamber, the 61, first valve port, the 62, second valve port, 63, third valve port, the 64, the 4th valve port, the 65, the 5th
Valve port, 7, valve rod, the 71, first valve opening, the 72, second valve opening, 73, third valve opening, 8, bracket.
Specific implementation mode
Presently in connection with specific embodiment, the present invention is further illustrated.These attached drawings are simplified schematic diagram only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1 to 11, a kind of oil circuit concealed electric floor truck, including driving wheel connecting seat 1, driving wheel connect
Bracket is installed on joint chair 1, valve block 2 is horizontally installed on bracket；Zanjon bearing is provided between driving wheel connecting seat and bracket,
Plane bearing is provided between bracket and valve block.
2 front of valve block is provided with gear pump 3 and the motor for driving gear pump 3 to rotate, the gear pump 3 in valve block 2
The first hydraulic fluid port 31 and the second hydraulic fluid port 32 for coordinating oil inlet and oil outlet cooperation with gear pump 3 are offered on installing zone；The
One hydraulic fluid port, 31 oil inlet, the second hydraulic fluid port 32 are fuel-displaced.
2 rear portion of valve block is provided with oil cylinder 4 and oil storage tank 5；
Mounting structure between oil cylinder 4, oil storage tank 5 and valve block 2 is：Oil cylinder 4 is fixed in valve block 2,5 sets of oil storage tank
It is connected on outside oil cylinder 4,5 bottom of oil storage tank is fixedly connected with valve block 2, and 5 upper end of oil storage tank is fixedly connected with 4 outer wall of oil cylinder, oil storage
Shoe cream room is formed between 4 outer wall of 5 inner wall of tank and oil cylinder.Its circumferential movement is limited by key between oil cylinder 4 and connecting seat 1.
Oil cylinder 4 is one-way cylinder 4.The characteristics of one-way cylinder 4 is：4 push rod of oil cylinder is to rely on hydraulic oil rising
Oil pressure relies on gravity, needs not rely on the oil pressure of hydraulic oil when oil cylinder 4 is retracted.
The third hydraulic fluid port 41 for being connected to 4 oil inlet of oil cylinder, the storage in valve block 2 are offered on 2 upper cylinder of valve block, 4 installing zone
The 4th hydraulic fluid port 51 for coordinating 5 hydraulic fluid port of oil storage tank is provided on 5 installing zone of oil tank.
The middle part of valve block 2 offers valve chamber 6, and the first valve port 61, the second valve port 62, third valve port 63, the are offered in valve chamber 6
Four valve ports 64 and the 5th valve port 65；First valve port 61 and the first hydraulic fluid port 31 form the first oil circuit 21, the second valve port 62 and second
Hydraulic fluid port 32 forms the second oil circuit 22, forms third oil circuit 23 between third valve port 63 and the 4th hydraulic fluid port 51, the 4th valve port 64 and the
The 4th oil circuit 24 is formed between four hydraulic fluid ports 51, and the 5th oil circuit 25 is formed between the 5th valve port 65 and third hydraulic fluid port 41.
The guiding valve that can be done and be moved forward and backward is provided in valve chamber 6, guiding valve has oil inlet station and oil return station in valve chamber 6, when
When guiding valve is in oil inlet station, oil storage tank 5 through third oil circuit 23, the first oil circuit 21, the second oil circuit 22 and the 5th oil circuit 25 with
Oil cylinder 4 is connected to；When guiding valve is in oil return station, oil storage tank 5 is connected to through the 4th oil circuit 24 and the 5th oil circuit 25 with oil cylinder 4.
Guiding valve includes valve rod 7, and 7 lower part of valve rod offers the first valve opening for being connected to the first oil circuit 21 and third oil circuit 23
71,7 top of valve rod is offered for being connected to the second oil circuit 22 with the second valve opening 72 of the 5th oil circuit 25 and for being connected to the 5th
The third valve opening 73 of oil circuit 25 and the 4th oil circuit 24.
The floor truck of the present invention, valve block 2 are mounted on driving wheel connecting seat 1, motor, gear pump 3, oil cylinder 4 and oil storage
Tank 5 is arranged in valve block 2, and by the oil circuit offered in valve block 2 make gear pump 3 respectively with oil cylinder 4 and oil storage tank 5 it
Between form oil circuit connection；So so that valve block 2 more has connection on the basis for meeting conventional stent function
The function of oil circuit.
The handle of carrier is rotatably connected on 2 front end of valve block, and motor setting exists in 2 nock of valve block, the setting of gear pump 3
2 front lower ends of valve block, 3 work of motor driven gear pump；
Oil cylinder 4 and mounting structure of the oil storage tank 5 in valve block 2 are more traditional, are relatively common on current carrier
's.
The function of oil circuit switching in valve block 2 is realized in cooperation between valve rod 7 and valve chamber 6；When needing oil cylinder 4 to rise
It waits, valve block 2 is in oil inlet station in valve chamber 6, at this point, the first valve opening 71 in valve rod 7 connects the first oil circuit 21 and third oil
The second oil circuit 22 and the 5th oil circuit 25 are led in road 23, the second valve opening 72 connection in valve rod 7, and gear pump 3 is by the hydraulic pressure in oil storage tank 5
Oil is successively from third oil circuit 23, the first valve opening 71, the first oil circuit 21, the second oil circuit 22, the second valve opening 72 and the 5th oil circuit 25
It is passed through oil cylinder 4, to make oil cylinder 4 rise.
When required oil cylinder 4 is shunk, guiding valve is pulled, the 5th oil circuit 25 and the 4th oil circuit 24 is made to pass through third valve opening
73 connections, at this point, the hydraulic oil being passed through in oil cylinder 4 is returned by the 5th oil circuit 25, third valve opening 73 and the 4th oil circuit 24 successively
It flow in oil storage tank 5, prepares for the next rise of oil cylinder 4.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (4)
1. a kind of oil circuit concealed electric floor truck, including driving wheel connecting seat (1), characterized in that the driving wheel connection
Bracket is installed on seat (1), valve block (2) is horizontally installed on the bracket, valve block (2) front is provided with gear pump (3)
And the motor for driving gear pump (3) to rotate, offer on gear pump (3) installing zone on the valve block (2) for
Gear pump (3) coordinates the first hydraulic fluid port (31) and the second hydraulic fluid port (32) of oil inlet and oil outlet cooperation；
Valve block (2) rear portion is provided with oil cylinder (4) and oil storage tank (5)；It is opened up on valve block (2) upper cylinder (4) installing zone
It is useful for the third hydraulic fluid port (41) of connection oil cylinder (4) oil inlet, is provided on oil storage tank (5) installing zone on the valve block (2)
The 4th hydraulic fluid port (51) for coordinating oil storage tank (5) hydraulic fluid port；
Valve chamber (6) is offered in the middle part of the valve block (2), and the first valve port (61), the second valve port are offered in the valve chamber (6)
(62), third valve port (63), the 4th valve port (64) and the 5th valve port (65)；First valve port (61) and the first hydraulic fluid port (31)
The first oil circuit (21) is formed, second valve port (62) forms the second oil circuit (22), the third valve port with the second hydraulic fluid port (32)
(63) third oil circuit (23) is formed between the 4th hydraulic fluid port (51), is formed between the 4th valve port (64) and the 4th hydraulic fluid port (51)
4th oil circuit (24) forms the 5th oil circuit (25) between the 5th valve port (65) and third hydraulic fluid port (41)；
Be provided with the guiding valve that can be done and be moved forward and backward in the valve chamber (6), the guiding valve valve chamber (6) 5185 have oil inlet station and
Oil return station, when the guiding valve is in oil inlet station, the oil storage tank (5) is through third oil circuit (23), the first oil circuit (21),
Two oil circuits (22) and the 5th oil circuit (25) are connected to oil cylinder (4)；When the guiding valve is in oil return station, the oil storage tank
(5) it is connected to oil cylinder (4) through the 4th oil circuit (24) and the 5th oil circuit (25).
2. oil circuit concealed electric floor truck according to claim 1, characterized in that oil cylinder (4) fixed setting
In valve block (2), the oil storage tank (5) is socketed in oil cylinder (4) outside, oil storage tank (5) bottom and the fixed company of valve block (2)
It connects, oil storage tank (5) upper end is fixedly connected with oil cylinder (4) outer wall, between oil storage tank (5) inner wall and oil cylinder (4) outer wall
Form shoe cream room.
3. oil circuit concealed electric floor truck according to claim 1, characterized in that the oil cylinder (4) is single-acting
Oil cylinder (4).
4. oil circuit concealed electric floor truck according to claim 1, characterized in that the guiding valve includes valve rod (7),
Valve rod (7) lower part offers the first valve opening (71) for being connected to the first oil circuit (21) and third oil circuit (23), the valve
Bar (7) top is offered for be connected to the second oil circuit (22) and the second valve opening (72) of the 5th oil circuit (25) and being used to be connected to the
The third valve opening (73) of five oil circuits (25) and the 4th oil circuit (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590865.6A CN108591143B (en) | 2018-06-09 | 2018-06-09 | Electric carrying trolley with concealed oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590865.6A CN108591143B (en) | 2018-06-09 | 2018-06-09 | Electric carrying trolley with concealed oil circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591143A true CN108591143A (en) | 2018-09-28 |
| CN108591143B CN108591143B (en) | 2023-09-22 |
Family
ID=63627831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810590865.6A Active CN108591143B (en) | 2018-06-09 | 2018-06-09 | Electric carrying trolley with concealed oil circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591143B (en) |
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| CN2305527Y (en) * | 1997-07-26 | 1999-01-27 | 杭州宝鼎实业有限公司 | Oil cylinder for transport vehicle |
| US20090218875A1 (en) * | 2008-02-29 | 2009-09-03 | Katsumi Tamura | Transporter vehicle |
| CN202560671U (en) * | 2012-04-09 | 2012-11-28 | 北京三兴汽车有限公司 | Release device of integrated automatic load and unload transport vehicle |
| CN103144566A (en) * | 2013-03-27 | 2013-06-12 | 长治清华机械厂 | Hoisting hydraulic system of large-tonnage non-highway mine dumper |
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| CN205838479U (en) * | 2016-03-17 | 2016-12-28 | 河北工业大学 | A kind of electric lifting carrier |
| CN205906995U (en) * | 2016-07-20 | 2017-01-25 | 杭州硕唯科技有限公司 | Automatic limit for height lift carrier |
| CN107152429A (en) * | 2017-06-26 | 2017-09-12 | 常德中联重科液压有限公司 | Engineering machinery, hydraulic control circuit and valve terminal |
| CN107264618A (en) * | 2017-06-09 | 2017-10-20 | 湖北三江航天万山特种车辆有限公司 | A kind of hydraulic system of special trailer |
| CN107387477A (en) * | 2017-07-20 | 2017-11-24 | 徐州工业职业技术学院 | A kind of leading controller for guiding valve, hydraulic cylinder control loop |
| JP2018031439A (en) * | 2016-08-25 | 2018-03-01 | 株式会社クボタ | Hydraulic drive unit of working machine |
| CN107839578A (en) * | 2017-11-30 | 2018-03-27 | 郑州宝钢钢材加工配送有限公司 | A kind of oil product transport carriage and conveyer method |
| CN208330871U (en) * | 2018-06-09 | 2019-01-04 | 湖北脉辉金茂机械有限公司 | Oil circuit concealed electric floor truck |
-
2018
- 2018-06-09 CN CN201810590865.6A patent/CN108591143B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2226592Y (en) * | 1995-02-27 | 1996-05-08 | 杭州液压工具总厂 | Hand-operated speed-regulating hydraulic porter |
| CN2305527Y (en) * | 1997-07-26 | 1999-01-27 | 杭州宝鼎实业有限公司 | Oil cylinder for transport vehicle |
| US20090218875A1 (en) * | 2008-02-29 | 2009-09-03 | Katsumi Tamura | Transporter vehicle |
| CN202560671U (en) * | 2012-04-09 | 2012-11-28 | 北京三兴汽车有限公司 | Release device of integrated automatic load and unload transport vehicle |
| CN103144566A (en) * | 2013-03-27 | 2013-06-12 | 长治清华机械厂 | Hoisting hydraulic system of large-tonnage non-highway mine dumper |
| CN203998847U (en) * | 2014-07-25 | 2014-12-10 | 浙江中力机械有限公司 | A kind of novel hydraulic power unit of transport trolley |
| CN104265720A (en) * | 2014-10-09 | 2015-01-07 | 中山市罗顿五金机械有限公司 | Hydraulic cylinder and trolley with hydraulic lifting platform |
| CN204419737U (en) * | 2015-01-19 | 2015-06-24 | 甘肃中水电水工机械有限公司 | A kind of rotating platform flat car for transportation hydraulic control system |
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| CN205906995U (en) * | 2016-07-20 | 2017-01-25 | 杭州硕唯科技有限公司 | Automatic limit for height lift carrier |
| JP2018031439A (en) * | 2016-08-25 | 2018-03-01 | 株式会社クボタ | Hydraulic drive unit of working machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108591143B (en) | 2023-09-22 |
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