CN108916132A - A kind of device of accurate control hydraulic cylinder raising and lowering - Google Patents
A kind of device of accurate control hydraulic cylinder raising and lowering Download PDFInfo
- Publication number
- CN108916132A CN108916132A CN201810852584.3A CN201810852584A CN108916132A CN 108916132 A CN108916132 A CN 108916132A CN 201810852584 A CN201810852584 A CN 201810852584A CN 108916132 A CN108916132 A CN 108916132A
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- Prior art keywords
- hydraulic
- valve
- fluid port
- shell
- fixedly connected
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of devices of accurate control hydraulic cylinder raising and lowering, including shell and hydraulic fluid port A, hydraulic fluid port B, hydraulic valve C, adjust throttle valve and oil return opening, the hydraulic valve C and hydraulic fluid port B is respectively fixedly connected with right side wall and left side wall in shell, the oil return opening and hydraulic fluid port A are fixedly connected on the bottom surface of shell, the upper surface right end for adjusting throttle valve and being fixedly connected on shell, the present invention passes through hydraulic fluid port A, hydraulic fluid port B, hydraulic valve A, hydraulic valve B, hydraulic valve C, the use of adjusting throttle valve and oil return opening realizes the function of stability contorting hydraulic cylinder raising and lowering, and the present invention passes through hydraulic valve B, safety valve, hand stop valve, hydraulic valve A, solenoid valve, use protection control when realizing to hydraulic cylinder raising and lowering function.
Description
Technical field
The present invention relates to hydraulic cylinder control technology field, specially a kind of dress of accurate control hydraulic cylinder raising and lowering
It sets.
Background technique
Hydraulic cylinder is easy to use because structure is simple, so often have use in multiple fields, but the rising of hydraulic cylinder
If lacked with decline, accurate control device can generation system pressure be high, energy consumption is big, and noise is big, impact force is unstable asks for movement
Topic, and existing accurate control device only pays attention to the accurate control of raising and lowering mostly, to lack a large amount of protection
Control function, we have proposed a kind of devices of accurate control hydraulic cylinder raising and lowering thus.
Summary of the invention
The purpose of the present invention is to provide a kind of devices of accurate control hydraulic cylinder raising and lowering, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of accurate control hydraulic cylinder raising and lowering
Device, including shell and hydraulic fluid port A, hydraulic fluid port B, hydraulic valve C, adjusting throttle valve and oil return opening, the hydraulic valve C and hydraulic fluid port B difference
It is fixedly connected on the right side wall and left side wall of shell, the oil return opening and hydraulic fluid port A are fixedly connected on the bottom surface of shell, the adjusting
Throttle valve is fixedly connected on the upper surface right end of shell, and the hydraulic fluid port A is communicated with hydraulic pump, and the oil return opening is communicated with fuel tank,
And hydraulic pump is connected with fuel tank, the hydraulic valve C is connected with oil return opening, hydraulic fluid port B and adjusting throttle valve, and the hydraulic fluid port B connects
It is connected with hydraulic cylinder.
Preferably, the front side wall of the shell is fixedly connected with hydraulic valve B, and the upper surface middle part of the shell is fixedly connected
There is safety valve, the hydraulic valve B is connected with hydraulic fluid port A, hydraulic fluid port B and safety valve.
Preferably, the hydraulic valve B is communicated with hand stop valve, and hand stop valve is fixedly connected on the front side wall of shell
On, back valve is communicated between the hand stop valve and hydraulic valve B.
Preferably, the front side wall of the shell is fixedly connected with hydraulic valve A, and the upper surface left end of the shell is fixedly connected
There is solenoid valve, the hydraulic valve A is connected with hydraulic fluid port B, hydraulic valve C and solenoid valve.
Preferably, the inner cavity of the hydraulic valve B and hydraulic valve A is fixedly connected to filter.
Preferably, the left side wall of the shell is fixedly connected with manual pump, and the manual pump is communicated with service tank.
Preferably, the service tank is connected with fuel tank.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of device of accurate control hydraulic cylinder raising and lowering,
The present invention is realized by the use of hydraulic fluid port A, hydraulic fluid port B, hydraulic valve A, hydraulic valve B, hydraulic valve C, adjusting throttle valve and oil return opening
The function of stability contorting hydraulic cylinder raising and lowering, and the present invention passes through hydraulic valve B, safety valve, hand stop valve, hydraulic valve
A, the function of protection control when solenoid valve, use are realized to hydraulic cylinder raising and lowering.
Detailed description of the invention
Fig. 1 is structure of the invention front view；
Fig. 2 is structure of the invention bottom view；
Fig. 3 is structure of the invention left view；
Fig. 4 is principle of the invention figure.
In figure：1 hydraulic fluid port A, 2 hydraulic fluid port B, 3 hydraulic valve C, 4 adjust throttle valve, 5 oil return openings, 6 shells, 7 hydraulic pumps, 8 fuel tanks, 9
Hydraulic cylinder, 10 hydraulic valve B, 11 safety valves, 12 hand stop valves, 13 hydraulic valve A, 14 filters, 15 manual pumps, 16 auxiliary oil
Case, 17 back valves, solenoid valve 18.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution：A kind of dress of accurate control hydraulic cylinder raising and lowering
It sets, including shell 6 and hydraulic fluid port A 1, hydraulic fluid port B 2, hydraulic valve C 3, adjusting throttle valve 4 and oil return opening 5,3 oil of hydraulic valve C
Mouth B 2 is respectively fixedly connected with right side wall and left side wall in shell 6, and the oil return opening 5 and hydraulic fluid port A 1 are fixedly connected on shell 6
Bottom surface, the throttle valve 4 that adjusts is fixedly connected on the upper surface right end of shell 6, and the hydraulic fluid port A 1 is communicated with hydraulic pump 7, institute
State oil return opening 5 and be communicated with fuel tank 8, and hydraulic pump 7 is connected with fuel tank 8, the hydraulic valve C 3 and oil return opening 5, hydraulic fluid port B 2 and
It adjusts throttle valve 4 to be connected, the hydraulic fluid port B 2 is communicated with hydraulic cylinder 9, and hydraulic fluid port B 2 is connected with the rodless cavity of hydraulic cylinder 9.
Specifically, the front side wall of the shell 6 is fixedly connected with hydraulic valve B 10, the upper surface middle part of the shell 6
It is fixedly connected with safety valve 11, the hydraulic valve B 10 is connected with hydraulic fluid port A 1, hydraulic fluid port B 2 and safety valve 11, hydraulic valve B
The reflux of 10 control hydraulic oil, and safety valve 11 is used for overload protection when flowing back to hydraulic oil.
Specifically, the hydraulic valve B 10 is communicated with hand stop valve 12, and hand stop valve 12 is fixedly connected on shell
On the front side wall of body 6, back valve 17, hand stop valve 12 and back valve are communicated between the hand stop valve 12 and hydraulic valve B 10
17, with the use of the speed for controlling hydraulic cylinder decline, protect when declining to hydraulic cylinder.
Specifically, the front side wall of the shell 6 is fixedly connected with hydraulic valve A 13, the upper surface left end of the shell 6
It is fixedly connected with solenoid valve 18, the hydraulic valve A 13 is connected with hydraulic fluid port B 2, hydraulic valve C 3 and solenoid valve 18, hydraulic valve A
13 for controlling the decrease speed of hydraulic cylinder, and solenoid valve 18 is used to control the opening and closing of hydraulic valve A 13, and to liquid
Cylinder pressure decline is controlled and is protected.
Specifically, the inner cavity of the hydraulic valve B 10 and hydraulic valve A 13 is fixedly connected to filter 14, hydraulic valve A
13 and hydraulic valve B 10 is controlled by damping hole, and filter 14 is equipped in control system can prevent damping hole
Block the failure rate for reducing hydraulic system.
Specifically, the left side wall of the shell 6 is fixedly connected with manual pump 15, the manual pump 15 is communicated with auxiliary oil
Case 16, when control system break down or circuit break down when, equipped with manual pump 15 carry out manual fuel feeding enable hydraulic cylinder after
It is continuous slowly to rise.
Specifically, the service tank 16 is connected with fuel tank 8.
Working principle：In order to describe conveniently, it is connected on the cavity of resorption and hydraulic pump 7 of hydraulic cylinder 9, applies using hydraulic principle
When, hydraulic fluid port A 1 of the invention is connected with the outlet of hydraulic pump 7 with fuel tank 8 respectively with oil return opening 5, hydraulic fluid port B 2 of the invention connects
Connect the rodless cavity of hydraulic cylinder 9.
When hydraulic cylinder 9 rises, hydraulic pump 7 is dynamic, and adjusting throttle valve 4 must be electric, and it is hydraulic that hydraulic valve C 3 is initially located in open state
Cylinder 9 rise slowly, due to system pressure 3 both ends active area of increase and hydraulic valve C it is different, during rising
Hydraulic valve C 3 can be approached to turn off, and last closing eventually, and this rise time is ofer short duration.9 rapid increase of hydraulic cylinder, when near
When at the top of lifting position, 4 power loss of throttle valve is adjusted, oil liquid generates Huis hydraulic fluid port 5 by adjusting throttle valve 4, and generates throttling effect
Fruit rises slowly, can control the last rate of climb of hydraulic cylinder 9 by adjusting throttle valve 4, hydraulic pump 7 when rising to top
Stop, vertical motion is completed.When control system breaks down or circuit breaks down, manual fuel feeding is carried out equipped with manual pump 15
Hydraulic cylinder 9 is set to continue slowly to rise,
When hydraulic cylinder 9 declines, hydraulic pump 7, safety valve 11 and solenoid valve 18 all it is electric, under the action of weight, due to liquid
The restriction effect of the different and safety valve 11 of the lower 13 both ends active area of cavity pressure, hydraulic valve B 10 and hydraulic valve A of cylinder pressure 9,
There is the phenomenon that slowly opening in hydraulic valve B 10 and hydraulic valve A 13 during the decline, and hydraulic cylinder 9 slowly declines, with liquid
The pressure reduction of 9 cavity of resorption of cylinder pressure, hydraulic valve B 10 and hydraulic valve A 13 can gradually opening increase, and oil liquid can only be through hydraulic valve B 10
With 13 Huis hydraulic fluid port 5 of hydraulic valve A, hydraulic cylinder rapid decrease, when dropping to down position bottom fastly, safety valve 11 is closed, liquid
13 valve port of pressure valve A is closed, and oil liquid can only be through 10 Huis hydraulic fluid port 5 of hydraulic valve B, and slowly down position bottom is only arrived in decline to hydraulic cylinder 9
Portion.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of device of accurate control hydraulic cylinder raising and lowering, including it is shell (6) and hydraulic fluid port A (1), hydraulic fluid port B (2), hydraulic
Valve C (3), throttle valve (4) and oil return opening (5) are adjusted, it is characterised in that：Hydraulic valve C (3) the hydraulic fluid port B (2) is respectively fixedly connected with
In the right side wall and left side wall of shell (6), the oil return opening (5) and hydraulic fluid port A (1) are fixedly connected on the bottom surface of shell (6), described
The upper surface right end that throttle valve (4) are fixedly connected on shell (6) is adjusted, the hydraulic fluid port A (1) is communicated with hydraulic pump (7), and described time
Hydraulic fluid port (5) is communicated with fuel tank (8), and hydraulic pump (7) is connected with fuel tank (8), the hydraulic valve C (3) and oil return opening (5), oil
Mouth B (2) is connected with throttle valve (4) are adjusted, and the hydraulic fluid port B (2) is communicated with hydraulic cylinder (9).
2. a kind of device of accurate control hydraulic cylinder raising and lowering according to claim 1, it is characterised in that：The shell
The front side wall of body (6) is fixedly connected with hydraulic valve B (10), and the upper surface middle part of the shell (6) is fixedly connected with safety valve
(11), the hydraulic valve B (10) is connected with hydraulic fluid port A (1), hydraulic fluid port B (2) and safety valve (11).
3. a kind of device of accurate control hydraulic cylinder raising and lowering according to claim 2, it is characterised in that：The liquid
Pressure valve B (10) is communicated with hand stop valve (12), and hand stop valve (12) is fixedly connected on the front side wall of shell (6), institute
It states and is communicated with back valve (17) between hand stop valve (12) and hydraulic valve B (10).
4. a kind of device of accurate control hydraulic cylinder raising and lowering according to claim 1, it is characterised in that：The shell
The front side wall of body (6) is fixedly connected with hydraulic valve A (13), and the upper surface left end of the shell (6) is fixedly connected with solenoid valve
(18), the hydraulic valve A (13) is connected with hydraulic fluid port B (2), hydraulic valve C (3) and solenoid valve (18).
5. a kind of device of accurate control hydraulic cylinder raising and lowering according to claim 3 or 4, it is characterised in that：Institute
The inner cavity for stating hydraulic valve B (10) and hydraulic valve A (13) is fixedly connected to filter (14).
6. a kind of device of accurate control hydraulic cylinder raising and lowering according to claim 1, it is characterised in that：The shell
The left side wall of body (6) is fixedly connected with manual pump (15), and the manual pump (15) is communicated with service tank (16).
7. a kind of device of accurate control hydraulic cylinder raising and lowering according to claim 6, it is characterised in that：It is described auxiliary
Fuel tank (16) is helped to be connected with fuel tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852584.3A CN108916132A (en) | 2018-07-31 | 2018-07-31 | A kind of device of accurate control hydraulic cylinder raising and lowering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852584.3A CN108916132A (en) | 2018-07-31 | 2018-07-31 | A kind of device of accurate control hydraulic cylinder raising and lowering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108916132A true CN108916132A (en) | 2018-11-30 |
Family
ID=64419069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810852584.3A Pending CN108916132A (en) | 2018-07-31 | 2018-07-31 | A kind of device of accurate control hydraulic cylinder raising and lowering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108916132A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110120297A1 (en) * | 2009-07-22 | 2011-05-26 | Marcus Bitter | Hydraulic Circuit |
| CN102536926A (en) * | 2010-12-08 | 2012-07-04 | 西安众智惠泽光电科技有限公司 | Hydraumatic throttling buffer loop used for mechanical arm |
| CN102951557A (en) * | 2011-08-19 | 2013-03-06 | 北汽福田汽车股份有限公司 | Hydraulic system used for elevating mechanism |
| CN103470552A (en) * | 2013-09-17 | 2013-12-25 | 常州液压成套设备厂有限公司 | Hydraulic system with buffer function |
| JP2014029180A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Constr Mach Co Ltd | Hydraulic control device of working machine |
| CN204704176U (en) * | 2015-04-23 | 2015-10-14 | 凯迈（洛阳）测控有限公司 | A kind of piston elevator mechanism and hydraulic control device thereof |
| CN105736504A (en) * | 2014-12-11 | 2016-07-06 | 西安众智惠泽光电科技有限公司 | Throttle overflow type multi-level buffer hydraulic control system |
| CN106194894A (en) * | 2016-08-31 | 2016-12-07 | 润邦卡哥特科工业有限公司 | A kind of hydrocylinder buffering device |
| CN107021435A (en) * | 2017-05-05 | 2017-08-08 | 安徽合力股份有限公司 | With the forklift hydraulic system for absorbing hydraulic pressure impulse circuit |
| CN108071629A (en) * | 2017-12-14 | 2018-05-25 | 北京航天发射技术研究所 | A kind of double multi-stage oil cylinder synchronous lifting hydraulic systems |
-
2018
- 2018-07-31 CN CN201810852584.3A patent/CN108916132A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110120297A1 (en) * | 2009-07-22 | 2011-05-26 | Marcus Bitter | Hydraulic Circuit |
| CN102536926A (en) * | 2010-12-08 | 2012-07-04 | 西安众智惠泽光电科技有限公司 | Hydraumatic throttling buffer loop used for mechanical arm |
| CN102951557A (en) * | 2011-08-19 | 2013-03-06 | 北汽福田汽车股份有限公司 | Hydraulic system used for elevating mechanism |
| JP2014029180A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Constr Mach Co Ltd | Hydraulic control device of working machine |
| CN103470552A (en) * | 2013-09-17 | 2013-12-25 | 常州液压成套设备厂有限公司 | Hydraulic system with buffer function |
| CN105736504A (en) * | 2014-12-11 | 2016-07-06 | 西安众智惠泽光电科技有限公司 | Throttle overflow type multi-level buffer hydraulic control system |
| CN204704176U (en) * | 2015-04-23 | 2015-10-14 | 凯迈（洛阳）测控有限公司 | A kind of piston elevator mechanism and hydraulic control device thereof |
| CN106194894A (en) * | 2016-08-31 | 2016-12-07 | 润邦卡哥特科工业有限公司 | A kind of hydrocylinder buffering device |
| CN107021435A (en) * | 2017-05-05 | 2017-08-08 | 安徽合力股份有限公司 | With the forklift hydraulic system for absorbing hydraulic pressure impulse circuit |
| CN108071629A (en) * | 2017-12-14 | 2018-05-25 | 北京航天发射技术研究所 | A kind of double multi-stage oil cylinder synchronous lifting hydraulic systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |