CN115522594A - Automatic boosting device and automatic boosting method for excavator - Google Patents

Automatic boosting device and automatic boosting method for excavator Download PDF

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Publication number
CN115522594A
CN115522594A CN202211035091.3A CN202211035091A CN115522594A CN 115522594 A CN115522594 A CN 115522594A CN 202211035091 A CN202211035091 A CN 202211035091A CN 115522594 A CN115522594 A CN 115522594A
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CN
China
Prior art keywords
boosting
pipe
cylinder
automatic
fixedly connected
Prior art date
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Pending
Application number
CN202211035091.3A
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Chinese (zh)
Inventor
唐国林
苑朝辉
王从杰
姜海鑫
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Dezhou Baoding Hydraulic Machinery Co ltd
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Dezhou Baoding Hydraulic Machinery Co ltd
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Application filed by Dezhou Baoding Hydraulic Machinery Co ltd filed Critical Dezhou Baoding Hydraulic Machinery Co ltd
Priority to CN202211035091.3A priority Critical patent/CN115522594A/en
Publication of CN115522594A publication Critical patent/CN115522594A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2264Arrangements or adaptations of elements for hydraulic drives
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2264Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267Valves or distributors

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses an automatic boosting device and an automatic boosting method of an excavator, which comprise a circulating oil tank, wherein a boosting cylinder is fixedly connected to one side surface of the circulating oil tank, a connecting cylinder is fixedly installed on one end surface of the boosting cylinder through a flange, a butt joint pipe is fixedly connected to one end surface of the connecting cylinder, an installation pipe is fixedly connected to one side surface of the connecting cylinder, an oil supply pipe is fixedly connected to one end surface of the installation pipe, a main pump is fixedly installed on one end surface of the oil supply pipe, a boosting pipe is fixedly connected to the other end surface of the boosting cylinder, an adjusting pipe is fixedly connected to one end surface of the boosting pipe, a boosting pump is fixedly installed on one side surface of the adjusting pipe, one ends of the boosting pump and the main pump are connected to the circulating oil tank through pipelines, and a boosting piston is slidably installed on one end side surface of the boosting cylinder, so that the convenience and the stability in use can be greatly improved, and the safety and the high efficiency of boosting adjustment can be ensured.

Description

Automatic boosting device and automatic boosting method for excavator
Technical Field
The invention relates to the field of excavators, in particular to an automatic boosting device and an automatic boosting method for an excavator.
Background
In the use of excavator, need use hydraulic line to control hydraulic pressure flexible to provide operation power, and when meetting great load, the pressure that needs is great, just at this moment need step up the regulation, convenient control operating pressure.
In the existing excavator pressure boosting device, the electromagnetic valve is mostly adopted to control the pressure of the hydraulic oil circuit, and then the pressure boosting operation is realized through manual adjustment, so that the pressure provided during the pressure boosting adjustment is limited, the practicability is insufficient, the time for reaching the maximum pressure is prolonged, the uniform load of the electromagnetic valve is greatly increased, the pipeline is easy to damage, and a new device and a new method are needed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an automatic boosting device and an automatic boosting method for an excavator, wherein a boosting cylinder and a connecting cylinder are installed through a circulating oil tank, so that split contraposition installation can be realized, high-efficiency boosting can be realized by combining the bidirectional control of a main pump and a boosting pump, the high-pressure load time of a pipeline is reduced, the timeliness is improved, mechanical boosting placement is adopted, the control safety is high, the detection is performed by combining a sensor, boosting control after automatic detection is facilitated, the maximum load is prevented from being exceeded, the convenience and the stability of use can be greatly improved, and the safety and the high efficiency of boosting regulation are ensured.
In order to solve the above problems, the present invention adopts the following technical solutions.
An automatic boosting device and an automatic boosting method of an excavator comprise a circulating oil tank, wherein a boosting cylinder is fixedly connected to the surface of one side of the circulating oil tank, a connecting cylinder is fixedly mounted on the surface of one end of the boosting cylinder through a flange, a butt joint pipe is fixedly connected to the surface of one end of the connecting cylinder, a mounting pipe is fixedly connected to the surface of one side of the connecting cylinder, an oil supply pipe is fixedly connected to the surface of one end of the mounting pipe, a main pump is fixedly mounted on the surface of one end of the oil supply pipe, a boosting pipe is fixedly connected to the surface of the other end of the boosting cylinder, an adjusting pipe is fixedly connected to the surface of one end of the boosting pipe, a boosting pump is fixedly mounted on the surface of one side of the adjusting pipe, one ends of the boosting pump and the main pump are both connected to the circulating oil tank through pipelines, and a boosting piston is slidably mounted on the side face of one end of the boosting cylinder;
the boosting method of the boosting device comprises the following steps:
s1, mounting each component on a circulating oil tank, and butting a butt joint pipe with a pipeline for carrying out butt joint;
s2, controlling a main pump to pump hydraulic oil to be introduced into the connecting cylinder, performing normal driving on the load of the connecting cylinder through butt joint, and detecting the pressure at two ends;
s3, when the load is large and the load capacity is insufficient, controlling the booster pump to start;
s4, pumping hydraulic oil by the booster pump, enabling the hydraulic oil to enter the booster pipe through the adjusting pipe, and pushing the booster piston to move;
s5, the boosting piston slides along the boosting cylinder to push the hydraulic oil in the boosting cylinder to continue to be compressed, and the internal pressure is increased;
s6, increasing the internal pressure of hydraulic oil, boosting the pressure and improving the load capacity to form a temporary boosting state;
s7, after the load driving is finished, the booster pump is closed, and unloading is carried out through the adjusting pipe;
and S8, the hydraulic oil supplied by the main pump pushes the boosting piston to reset, and boosting control is completed.
Furthermore, one end side of the butt joint pipe is fixedly provided with a first sensor, and the first sensor is positioned at an outlet of the connecting cylinder.
Furthermore, a second sensor is fixedly mounted on the side surface of the mounting pipe, and the second sensor is located at the inlet of the connecting cylinder.
Furthermore, a third sensor is fixedly mounted on the side face of the boosting pipe, the third sensor is located at an inlet of one end of the boosting cylinder, and the sensors are mounted at a plurality of positions, so that multi-directional pressure can be detected, and the safety of a pipeline is guaranteed.
Furthermore, the one end fixed surface of control tube installs backward flow solenoid valve, backward flow solenoid valve is connected in one side position of circulating oil tank, through installation backward flow solenoid valve, can be after the completion pressure release that steps up, guarantees the security of pipeline normal operating.
Furthermore, a guide head is fixedly connected to the surface of one side of the boosting piston, the guide head is located on the side face of the boosting cylinder, and the guide head can be installed to achieve guiding and limiting, so that dislocation interference is avoided.
Furthermore, a reset spring is fixedly sleeved on the surface of the guide head and fixedly installed on the side face of one end of the connecting cylinder, and the reset spring can reset after pressure relief through installation of the reset spring, so that interference is avoided.
Furthermore, the other side surface of the boosting piston is provided with a limiting head, the limiting head is tightly connected to the side face of one end of the boosting cylinder in a propping mode, the resetting interval can be limited by installing the limiting head, and the boosting stability is improved.
Furthermore, a control box body is fixedly installed on the side face of the circulating oil tank.
Compared with the prior art, the invention has the advantages that:
(1) This scheme is through circulation oil tank installation pressure-rising section of thick bamboo and connecting cylinder to can the components of a whole that can function independently counterpoint the installation, combine main pump and booster pump bilateral control, can high-efficiently step up, reduce pipeline high pressure load time, improve ageing, and adopt mechanical pressurization to place, control security is high, and combine the sensor to detect, do benefit to and carry out pressure-rising control after the automated inspection, avoid surpassing maximum load.
(2) And the sensors are arranged at a plurality of positions, so that multidirectional pressure can be detected, and the safety of the pipeline is ensured.
(3) Through the installation backflow solenoid valve, can carry out the back pressure release at the completion that steps up, guarantee the security of pipeline normal operating.
(4) Through installation direction head, can lead spacing, avoid the dislocation to interfere.
(5) Through installation reset spring, can reset after the pressure release, avoid interfering.
(6) Through installation spacing head, can restrict the interval that resets, improve the stability of stepping up.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a boost cylinder of the present invention;
fig. 3 is an enlarged view of the connection of the adjustment tube of fig. 1 according to the present invention at a.
The numbering in the figures illustrates:
the device comprises a circulating oil tank 1, a boosting cylinder 11, a flange 12, a connecting cylinder 13, a butt joint pipeline 14, a first sensor 15, a mounting pipe 16, a second sensor 17, an oil supply pipe 18, a main pump 19, a boosting pipe 2, a regulating pipe 21, a booster pump 22, a third sensor 23, a boosting piston 24, a return electromagnetic valve 25, a guide head 26, a return spring 27, a control box 28 and a limiting head 29.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-3, an automatic boosting device and an automatic boosting method for an excavator include a circulating oil tank 1, referring to fig. 1 and 2, an oil return pipe is arranged on a side surface of the circulating oil tank 1, and can be recycled, and are not described any more, a boosting cylinder 11 is fixedly connected to a surface of one side of the circulating oil tank 1, and can perform boosting control and driving operation, a connecting cylinder 13 is fixedly installed on a surface of one end of the boosting cylinder 11 through a flange 12, and can be connected with a load, and further can be pumped with high-pressure oil for driving, so that convenience and high efficiency are achieved, a butt joint pipe 14 is fixedly connected to a surface of one end of the connecting cylinder 13, an installation pipe 16 is fixedly connected to a surface of one end of the installation pipe 16, an oil supply pipe 18 is fixedly installed on a surface of one end of the oil supply pipe 18, and a main pump 19 is fixedly installed on a surface of one end of the main pump 18, so that normal operation is facilitated, a boosting pipe 2 is fixedly connected to a surface of the other end of the boosting cylinder 11, so that boosting control and boosting can be performed, and high-efficiency are achieved, an adjusting pipe 21 is fixedly installed on a surface of one end of the boosting cylinder 11, and a boosting pump 22 and one end of the main pump is connected to a side surface of the oil tank 1, and a piston 24 of the boosting cylinder 11;
the boosting method of the boosting device comprises the following steps:
s1, mounting each component on a circulating oil tank, and butting a butt joint pipe with a pipeline for carrying out butt joint;
s2, controlling a main pump to pump hydraulic oil to be introduced into the connecting cylinder, performing normal driving on the load of the connecting cylinder through butt joint, and detecting the pressure at two ends;
s3, when the load is large and the load capacity is insufficient, controlling the booster pump to start;
s4, pumping hydraulic oil by the booster pump, enabling the hydraulic oil to enter the booster pipe through the adjusting pipe, and pushing the booster piston to move;
s5, the boosting piston slides along the boosting cylinder to push the hydraulic oil in the boosting cylinder to continue to be compressed, and the internal pressure is increased;
s6, increasing the internal pressure of hydraulic oil, boosting the pressure and improving the load capacity to form a temporary boosting state;
s7, after the load driving is finished, the booster pump is closed, and unloading is carried out through the adjusting pipe;
and S8, hydraulic oil supplied by the main pump pushes the boosting piston to reset, and boosting control is completed.
Referring to fig. 2, a first sensor 15 is fixedly mounted on one side surface of one end of the butt joint pipe 14, the first sensor 15 is located at an outlet position of the connecting cylinder 13, a second sensor 17 is fixedly mounted on a side surface of the mounting pipe 16, the second sensor 17 is located at an inlet position of the connecting cylinder 13, a third sensor 23 is fixedly mounted on a side surface of the booster pipe 2, the third sensor 23 is located at an inlet position of one end of the booster cylinder 11, and is mounted with sensors at a plurality of positions to detect multi-directional pressure and ensure safety of a pipeline.
Referring to fig. 2 and 3, a guide head 26 is fixedly connected to a surface of one side of the boosting piston 24, the guide head 26 is located at a side position of the boosting cylinder 11, and the guide head 26 is mounted to guide and limit the pressure so as to avoid dislocation interference, a return spring 27 is fixedly sleeved on the surface of the guide head 26, the return spring 27 is fixedly mounted at a side surface of one end of the connecting cylinder 13, and the return spring 27 is mounted to reset after pressure relief so as to avoid interference, a limit head 29 is arranged on the surface of the other side of the boosting piston 24, the limit head 29 is tightly connected to a side surface of one end of the boosting cylinder 11, and the reset interval can be limited and the boosting stability can be improved by mounting the limit head 29.
In the control process that steps up, can detect the oil pressure in a plurality of positions, avoid surpassing the pipeline load, guarantee the pipeline security, when normal use simultaneously, reset spring 27 pushes up 24 location of piston that steps up tightly, can not arouse the disturbance, safety and stability, simultaneously when the pressure release, open backward flow solenoid valve 25, the inside high pressure oil of connecting cylinder 13 can promote the piston 24 that steps up and reset, and then the hydraulic pressure promotion that will step up the confession and send flows back in the regulating tube 21, then inside circulating oil tank 1 flows back, the pressure release work of accomplishing the pressure release that steps up, guarantee the normal operating of pipeline.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (9)

1. The utility model provides an automatic booster unit of excavator, includes circulating oil tank (1), its characterized in that: the oil pump is characterized in that a boosting cylinder (11) is fixedly connected to the surface of one side of the circulating oil tank (1), a connecting cylinder (13) is fixedly mounted on the surface of one end of the boosting cylinder (11) through a flange (12), a butt joint pipe (14) is fixedly connected to the surface of one end of the connecting cylinder (13), a mounting pipe (16) is fixedly connected to the surface of one side of the connecting cylinder (13), an oil supply pipe (18) is fixedly connected to the surface of one end of the mounting pipe (16), a main pump (19) is fixedly mounted on the surface of one end of the oil supply pipe (18), a boosting pipe (2) is fixedly connected to the surface of the other end of the boosting cylinder (11), an adjusting pipe (21) is fixedly connected to the surface of one end of the boosting pipe (2), a boosting pump (22) is fixedly mounted on the surface of one side of the adjusting pipe (21), one ends of the main pump (22) and the boosting pump (19) are connected to the circulating oil tank (1) through pipelines, and a boosting piston (24) is slidably mounted on the side of one end of the boosting cylinder (11);
the boosting method of the boosting device comprises the following steps:
s1, mounting each component on a circulating oil tank, and butting a butt joint pipe with a pipeline for carrying out butt joint;
s2, controlling a main pump to pump hydraulic oil to be introduced into the connecting cylinder, performing normal driving on the load of the connecting cylinder through butt joint, and detecting the pressure at two ends;
s3, when the load is large and the load capacity is insufficient, controlling the booster pump to start;
s4, pumping hydraulic oil by the booster pump, enabling the hydraulic oil to enter the booster pipe through the adjusting pipe, and pushing the booster piston to move;
s5, the boosting piston slides along the boosting cylinder to push the hydraulic oil in the boosting cylinder to continue to be compressed, and the internal pressure is increased;
s6, increasing the internal pressure of the hydraulic oil, boosting the pressure and improving the load capacity to form a temporary boosting state;
s7, after the load is driven, the booster pump is closed, and unloading is carried out through the adjusting pipe;
and S8, the hydraulic oil supplied by the main pump pushes the boosting piston to reset, and boosting control is completed.
2. The automatic boosting device of the excavator according to claim 1, wherein: one end side face of the butt joint pipe (14) is fixedly provided with a first sensor (15), and the first sensor (15) is located at the outlet of the connecting cylinder (13).
3. The automatic boosting device of the excavator according to claim 1, wherein: and a second sensor (17) is fixedly mounted on the side surface of the mounting pipe (16), and the second sensor (17) is positioned at the inlet position of the connecting cylinder (13).
4. The automatic boosting device of the excavator according to claim 1, wherein: and a third sensor (23) is fixedly mounted on the side surface of the boosting pipe (2), and the third sensor (23) is positioned at the inlet position of one end of the boosting cylinder (11).
5. The automatic boosting device of the excavator according to claim 1, wherein: and a backflow electromagnetic valve (25) is fixedly mounted on the surface of one end of the adjusting pipe (21), and the backflow electromagnetic valve (25) is connected to one side of the circulating oil tank (1).
6. The automatic boosting device of the excavator according to claim 1, wherein: and a guide head (26) is fixedly connected to one side surface of the boosting piston (24), and the guide head (26) is positioned at the side position of the boosting cylinder (11).
7. The automatic boosting device of the excavator according to claim 6, wherein: the surface of the guide head (26) is fixedly sleeved with a return spring (27), and the return spring (27) is fixedly installed on one end side face of the connecting cylinder (13).
8. The automatic boosting device of the excavator according to claim 1, wherein: and a limiting head (29) is arranged on the surface of the other side of the boosting piston (24), and the limiting head (29) is tightly connected to the side surface of one end of the boosting cylinder (11).
9. The automatic boosting device of the excavator according to claim 1, wherein: and a control box body (28) is fixedly arranged on the side surface of the circulating oil tank (1).
CN202211035091.3A 2022-08-26 2022-08-26 Automatic boosting device and automatic boosting method for excavator Pending CN115522594A (en)

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Application Number Priority Date Filing Date Title
CN202211035091.3A CN115522594A (en) 2022-08-26 2022-08-26 Automatic boosting device and automatic boosting method for excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211035091.3A CN115522594A (en) 2022-08-26 2022-08-26 Automatic boosting device and automatic boosting method for excavator

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Publication Number Publication Date
CN115522594A true CN115522594A (en) 2022-12-27

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10159808A (en) * 1996-11-25 1998-06-16 Sumitomo Constr Mach Co Ltd Automatic booster of hydraulic circuit
CN201836132U (en) * 2010-09-17 2011-05-18 浙江海亮股份有限公司 Pressurization system of three-way pipe forming machine
CN102561449A (en) * 2011-12-22 2012-07-11 福田雷沃国际重工股份有限公司 Automatic boosting device and automatic boosting method for excavator
CN205446219U (en) * 2015-12-27 2016-08-10 天津尚吉液压设备有限公司 Gas -liquid booster
CN207920986U (en) * 2018-01-29 2018-09-28 石家庄墨隆煤矿设备有限公司 A kind of Pneumatic booster pump with unloading function
CN212928351U (en) * 2020-08-28 2021-04-09 常州豪僜机械有限公司 Booster capable of sending signal in place
CN213775870U (en) * 2020-12-12 2021-07-23 太原市晋吉科技股份有限公司 Oil pressure pneumatic pump
CN113550372A (en) * 2021-06-29 2021-10-26 徐州徐工挖掘机械有限公司 Automatic pressurization system and method for excavator
CN214879840U (en) * 2020-12-31 2021-11-26 上海同力建设机器人有限公司 Ultrahigh-pressure hydraulic cylinder lifting system
CN113847289A (en) * 2020-06-25 2021-12-28 迪尔公司 System and method for pressurizing transmission fill

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10159808A (en) * 1996-11-25 1998-06-16 Sumitomo Constr Mach Co Ltd Automatic booster of hydraulic circuit
CN201836132U (en) * 2010-09-17 2011-05-18 浙江海亮股份有限公司 Pressurization system of three-way pipe forming machine
CN102561449A (en) * 2011-12-22 2012-07-11 福田雷沃国际重工股份有限公司 Automatic boosting device and automatic boosting method for excavator
CN205446219U (en) * 2015-12-27 2016-08-10 天津尚吉液压设备有限公司 Gas -liquid booster
CN207920986U (en) * 2018-01-29 2018-09-28 石家庄墨隆煤矿设备有限公司 A kind of Pneumatic booster pump with unloading function
CN113847289A (en) * 2020-06-25 2021-12-28 迪尔公司 System and method for pressurizing transmission fill
CN212928351U (en) * 2020-08-28 2021-04-09 常州豪僜机械有限公司 Booster capable of sending signal in place
CN213775870U (en) * 2020-12-12 2021-07-23 太原市晋吉科技股份有限公司 Oil pressure pneumatic pump
CN214879840U (en) * 2020-12-31 2021-11-26 上海同力建设机器人有限公司 Ultrahigh-pressure hydraulic cylinder lifting system
CN113550372A (en) * 2021-06-29 2021-10-26 徐州徐工挖掘机械有限公司 Automatic pressurization system and method for excavator

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