CN110939628A - Safety protection type hydro-cylinder device - Google Patents

Safety protection type hydro-cylinder device Download PDF

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Publication number
CN110939628A
CN110939628A CN201911236775.8A CN201911236775A CN110939628A CN 110939628 A CN110939628 A CN 110939628A CN 201911236775 A CN201911236775 A CN 201911236775A CN 110939628 A CN110939628 A CN 110939628A
Authority
CN
China
Prior art keywords
block
oil cylinder
valve
slot
safety protection
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.)
Pending
Application number
CN201911236775.8A
Other languages
Chinese (zh)
Inventor
陈军
杨卫坤
李玉良
宋金阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yueda Special Vehicle Co Ltd
Original Assignee
Jiangsu Yueda Special Vehicle Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Yueda Special Vehicle Co Ltd filed Critical Jiangsu Yueda Special Vehicle Co Ltd
Priority to CN201911236775.8A priority Critical patent/CN110939628A/en
Publication of CN110939628A publication Critical patent/CN110939628A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/04Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
    • B60P1/16Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
    • B60P1/162Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms the hydraulic system itself
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01Locking-valves or other detent i.e. load-holding devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149Fluid interconnections, e.g. fluid connectors, passages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005Leakage; Spillage; Hose burst

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Actuator (AREA)

Abstract

The invention discloses a safety protection type oil cylinder device, which comprises a lifting oil cylinder, a fixed column, an oil outlet, a push rod, a protection mechanism, an oil return port, a valve block and a two-position two-way electromagnetic valve.

Description

Safety protection type hydro-cylinder device
Technical Field
The invention relates to the relevant field of dump truck accessories, in particular to a safety protection type oil cylinder device.
Background
The dump truck is a vehicle which can unload goods by hydraulic or mechanical lifting, and is also called as dump truck, and consists of a vehicle chassis, a hydraulic lifting mechanism, a cargo compartment, a power takeoff device and other parts.
Some safe supporting devices of large-scale car operate more inconveniently, some are heavier, consequently no matter be in the assembly process or in the maintenance process, the operation workman always holds the luck psychology of catching, can not go to support this safe supporting device, leads to there being the potential safety hazard.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a safety protection type cylinder device.
The invention is realized in such a way, a safety protection type oil cylinder device is constructed, the device comprises a lifting oil cylinder, a fixed column, an oil outlet, a push rod, a protection mechanism, an oil return port, a valve block and a two-position two-way electromagnetic valve, the fixed column is welded and fixed at the front end and the rear end of the left end of the lifting oil cylinder, the oil outlet is arranged at the left end of the top of the lifting oil cylinder, the push rod extends out of the left end in the lifting oil cylinder, the protection mechanism is arranged at the right end of the outer diameter surface of the lifting oil cylinder, the oil return port is fixed at the right end of the top of the lifting oil cylinder, the top of the oil return port;
the protection mechanism comprises a ring body, a top block, a support block, a bolt, a connecting block, a fixing ring, a slot and a rubber cushion block, wherein the middle part of the inner diameter of the ring body is tightly sleeved at the right end of the outer diameter surface of the lifting oil cylinder, the top block is fixed at the middle part of the top end of the ring body, the support block is arranged on the right side of the top block, the support block is connected with the connecting block through the bolt, the top of the bolt penetrates through the connecting block and is screwed into the lower end of the valve block, the fixing ring is welded at the bottom of the connecting block, the middle part of the inside of the fixing ring is penetrated through by the bolt, the slot is formed in;
the valve block is electrically connected with an external oil return valve group through a connecting wire and is electrically connected with the two-position two-way electromagnetic valve;
the ejector block is trapezoidal and is of an integral injection molding structure with the ring body.
The bolts are provided with two groups, and the length of the upper threads of the bolts accounts for one third of the length of the bolts.
Preferably, the inner side of the slot is frosted, and the gap between the inner side of the slot and the surface of the support block is smaller than 1 mm.
Preferably, the rubber cushion block is rectangular, and the thickness of the rubber cushion block is 4 cm.
The invention has the following advantages: the invention provides a safety protection type oil cylinder device through improvement, compared with the same type of equipment, the safety protection type oil cylinder device has the following improvement:
according to the safety protection type oil cylinder device, the two-position two-way electromagnetic valve is arranged on the valve block, the valve block is arranged on the oil return port of the lifting oil cylinder, then two wires carried by the valve block are connected to the valve bank for controlling oil return of the oil cylinder, when the electromagnetic valve is electrified, the two-position two-way valve is electrified, the electromagnetic valve is powered off, the two-position two-way valve is closed, when a hydraulic pipeline bursts instantly, hydraulic oil in the oil cylinder can be prevented from leaking, the box body can not drop instantly, and in addition, a protection mechanism is arranged, the valve block is effectively protected when the pipeline bursts, and falling or position deviation caused by the pressure is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic of the three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the guard mechanism of the present invention;
fig. 4 is a schematic cross-sectional structure of the top block of the present invention.
Wherein: the oil cylinder lifting device comprises a lifting oil cylinder-1, a fixed column-2, an oil outlet-3, a push rod-4, a protection mechanism-5, an oil return port-6, a valve block-7, a two-position two-way electromagnetic valve-8, a ring body-51, a top block-52, a support block-53, a bolt-54, a connecting block-55, a fixing ring-56, a slot-57 and a rubber cushion block-58.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a safety protection type oil cylinder device through improvement, which comprises a lifting oil cylinder 1, fixing columns 2, an oil outlet 3, a push rod 4, a protection mechanism 5, an oil return opening 6, a valve block 7 and a two-position two-way electromagnetic valve 8, wherein the fixing columns 2 are fixedly welded at the front end and the rear end of the left end of the lifting oil cylinder 1, the oil outlet 3 is arranged at the left end of the top of the lifting oil cylinder 1, the push rod 4 extends out of the left end in the lifting oil cylinder 1, the protection mechanism 5 is arranged at the right end of the outer diameter surface of the lifting oil cylinder 1, the oil return opening 6 is fixedly arranged at the right end of the top of the lifting oil cylinder 1, the top of the oil return opening.
Further, the protection mechanism 5 comprises a ring body 51, a top block 52, a supporting block 53, a bolt 54, a connecting block 55, a fixing ring 56, a slot 57 and a rubber cushion block 58, the middle part of the inner diameter of the ring body 51 is tightly sleeved at the right end of the outer diameter surface of the lifting oil cylinder 1, the top block 52 is fixed at the middle part of the top end of the ring body 51, the supporting block 53 is arranged on the right side of the top block 52, the supporting block 53 is connected with the connecting block 55 through the bolt 54, the top of the bolt 54 penetrates through the connecting block 55 and is screwed into the lower end of the valve block 7, the fixing ring 56 is welded at the bottom of the connecting block 55, the middle part of the fixing ring 56 is penetrated through the bolt 54, the slot 57 is formed in the right end of the top block 52, the supporting block 53 is.
Further, the valve block 7 is electrically connected with an external oil return valve group through a connecting line, and the valve block 7 is electrically connected with the two-position two-way electromagnetic valve 8, so that the two-position two-way valve can be stably controlled.
Further, the top block 52 is trapezoidal, and the top block 52 and the ring body 51 are of an integral injection molding structure, so that the stability is strong, and the fixity is good.
Furthermore, the bolts 54 are provided with two groups, and the length of the thread on the bolt 54 is one third of the length of the bolt 54, so that the connection is convenient and stable.
Furthermore, the inner side of the slot 57 is frosted, and the gap between the inner side of the slot 57 and the surface of the support block 53 is smaller than 1mm, so that the friction force is large and the swing is not easy to occur.
Furthermore, the rubber cushion block 58 is rectangular, and the thickness of the rubber cushion block 58 is 4cm, so that the buffering and the stability are effectively improved.
The invention provides a safety protection type oil cylinder device through improvement, and the working principle is as follows;
when the device needs to be used, a two-position two-way electromagnetic valve 8 is firstly installed on a valve block 7, the valve block 7 is installed on an oil return port 6 of a lifting oil cylinder 1, then two wires carried by the valve block are connected to a valve group for controlling the oil return of the lifting oil cylinder 1, when the electromagnetic valve is electrified, the two-position two-way valve circulates, then the lifting oil cylinder 1 is installed at the position needing to be installed, an oil outlet 3 is connected to a hydraulic system, then a connecting block 55 on a protection mechanism is connected with the bottom of the valve block 7 through a bolt 54, when a hydraulic pipeline bursts instantly, the two-position two-way valve is closed when the electromagnetic valve is powered off, hydraulic oil in the oil cylinder can be prevented from leaking, the box body cannot descend instantly, when the valve block 7 is impacted when the pipeline bursts, the connecting block 55 acts on a support block 53, then the support block 53 is inserted into a, the fitting bolt 54 fixes the valve block 7 from falling off.
The invention provides a safety protection type oil cylinder device through improvement, a two-position two-way electromagnetic valve 8 is arranged on a valve block 7, the valve block 7 is arranged on an oil return opening 6 of a lifting oil cylinder 1, then two threads carried by the valve block are connected to a valve group for controlling oil return of the oil cylinder, when the electromagnetic valve is electrified, the two-position two-way valve is communicated, the electromagnetic valve is powered off, the two-position two-way valve is closed, when a hydraulic pipeline bursts instantly, hydraulic oil in the oil cylinder can be prevented from leaking, the box body can not drop instantly, and in addition, a protection mechanism 5 is arranged, the valve block 7 is effectively protected when the pipeline bursts, and falling or position deviation caused by the pressure is prevented.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. The utility model provides a safety protection type hydro-cylinder device which characterized in that: the oil-saving control device structurally comprises a lifting oil cylinder (1), fixing columns (2), an oil outlet (3), a push rod (4), a protection mechanism (5), an oil return port (6), a valve block (7) and a two-position two-way electromagnetic valve (8), wherein the fixing columns (2) are fixedly welded at the front end and the rear end of the left end of the lifting oil cylinder (1), the oil outlet (3) is formed in the left end of the top of the lifting oil cylinder (1), the push rod (4) extends out of the left end in the lifting oil cylinder (1), the protection mechanism (5) is installed at the right end of the outer diameter surface of the lifting oil cylinder (1), the oil return port (6) is fixed at the right end of the top of the lifting oil cylinder (1), the top of the oil return port (6) is connected with the valve block (7);
the protection mechanism (5) comprises a ring body (51), a top block (52), a supporting block (53), a bolt (54), a connecting block (55), a fixing ring (56), a slot (57) and a rubber cushion block (58), wherein the middle part of the inner diameter of the ring body (51) is tightly sleeved at the right end of the outer diameter surface of the lifting oil cylinder (1), the top middle part of the ring body (51) is fixed with the top block (52), the right side of the top block (52) is provided with the supporting block (53), the supporting block (53) is internally connected with the connecting block (55) through the bolt (54), the top of the bolt (54) penetrates through the connecting block (55) and is screwed into the lower end of the valve block (7), the bottom of the connecting block (55) is welded with the fixing ring (56), the middle part of the fixing ring (56) is penetrated through the bolt (54), the slot (57) is formed in the right end of the top block (, a rubber cushion block (58) is adhered to the left end of the inner side of the slot (57);
the valve block (7) is electrically connected with an external oil return valve group through a connecting wire, and the valve block (7) is electrically connected with a two-position two-way electromagnetic valve (8);
the top block (52) is in a trapezoid shape, and the top block (52) and the ring body (51) are of an integral injection molding structure.
2. The safety protection type oil cylinder device according to claim 1, characterized in that: the bolts (54) are provided with two groups, and the length of the thread on the bolts (54) is one third of the length of the bolts (54).
3. The safety protection type oil cylinder device according to claim 1, characterized in that: the inner side of the slot (57) is frosted, and the gap between the inner side of the slot (57) and the surface of the support block (53) is smaller than 1 mm.
4. The safety protection type oil cylinder device according to claim 1, characterized in that: the rubber cushion block (58) is rectangular, and the thickness of the rubber cushion block (58) is 4 cm.
CN201911236775.8A 2019-12-05 2019-12-05 Safety protection type hydro-cylinder device Pending CN110939628A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911236775.8A CN110939628A (en) 2019-12-05 2019-12-05 Safety protection type hydro-cylinder device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911236775.8A CN110939628A (en) 2019-12-05 2019-12-05 Safety protection type hydro-cylinder device

Publications (1)

Publication Number Publication Date
CN110939628A true CN110939628A (en) 2020-03-31

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ID=69909924

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Application Number Title Priority Date Filing Date
CN201911236775.8A Pending CN110939628A (en) 2019-12-05 2019-12-05 Safety protection type hydro-cylinder device

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CN (1) CN110939628A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125970A (en) * 1997-06-10 2000-10-03 Kabushiki Kaisha Toyoda Jidoshokki Seisakusha Hydraulic device for forklift
JP2007315514A (en) * 2006-05-26 2007-12-06 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd Controller for working machine
CN200993135Y (en) * 2006-12-22 2007-12-19 首钢总公司 Automatic sealing oil hydraulic device
CN104235123A (en) * 2013-12-18 2014-12-24 柳州欧维姆机械股份有限公司 Hydraulic actuator and method for realizing positioning control and position feedback thereof
CN104279199A (en) * 2014-10-21 2015-01-14 恒天创丰重工有限公司 Hydraulic supporting control system and anti-misoperation supporting device
CN104279198A (en) * 2014-11-06 2015-01-14 威海华东数控股份有限公司 Anti-collision sudden stop hydraulic system of hydraulic cylinder of grinding machine and control method of anti-collision sudden stop hydraulic system
CN106969007A (en) * 2017-05-21 2017-07-21 新乡市新倍增自动化设备有限公司 Explosion-proof emergent Releasing loop
CN107739001A (en) * 2017-12-01 2018-02-27 江西工埠机械有限责任公司 A kind of new type of safe is met an urgent need liquid braking device
CN207229496U (en) * 2017-08-14 2018-04-13 深圳市创智自动化有限公司 A kind of fluid pressure valve device
CN108730271A (en) * 2018-07-26 2018-11-02 徐工集团工程机械有限公司 A kind of Multifunctional emergency equipment promptly falls arm system
CN208500262U (en) * 2018-04-26 2019-02-15 江苏东迈重工机械有限公司 Vertical pillar electrichydraulic control emergency decent system
CN110131225A (en) * 2019-04-02 2019-08-16 太原重工股份有限公司 A kind of hydraulic control circuit and method of bender lower die locking cylinder
CN110307195A (en) * 2019-07-09 2019-10-08 燕山大学 A kind of hydraulic bending press electrohydraulic control system of closed model pump control asymmetrical cylinder

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125970A (en) * 1997-06-10 2000-10-03 Kabushiki Kaisha Toyoda Jidoshokki Seisakusha Hydraulic device for forklift
JP2007315514A (en) * 2006-05-26 2007-12-06 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd Controller for working machine
CN200993135Y (en) * 2006-12-22 2007-12-19 首钢总公司 Automatic sealing oil hydraulic device
CN104235123A (en) * 2013-12-18 2014-12-24 柳州欧维姆机械股份有限公司 Hydraulic actuator and method for realizing positioning control and position feedback thereof
CN104279199A (en) * 2014-10-21 2015-01-14 恒天创丰重工有限公司 Hydraulic supporting control system and anti-misoperation supporting device
CN104279198A (en) * 2014-11-06 2015-01-14 威海华东数控股份有限公司 Anti-collision sudden stop hydraulic system of hydraulic cylinder of grinding machine and control method of anti-collision sudden stop hydraulic system
CN106969007A (en) * 2017-05-21 2017-07-21 新乡市新倍增自动化设备有限公司 Explosion-proof emergent Releasing loop
CN207229496U (en) * 2017-08-14 2018-04-13 深圳市创智自动化有限公司 A kind of fluid pressure valve device
CN107739001A (en) * 2017-12-01 2018-02-27 江西工埠机械有限责任公司 A kind of new type of safe is met an urgent need liquid braking device
CN208500262U (en) * 2018-04-26 2019-02-15 江苏东迈重工机械有限公司 Vertical pillar electrichydraulic control emergency decent system
CN108730271A (en) * 2018-07-26 2018-11-02 徐工集团工程机械有限公司 A kind of Multifunctional emergency equipment promptly falls arm system
CN110131225A (en) * 2019-04-02 2019-08-16 太原重工股份有限公司 A kind of hydraulic control circuit and method of bender lower die locking cylinder
CN110307195A (en) * 2019-07-09 2019-10-08 燕山大学 A kind of hydraulic bending press electrohydraulic control system of closed model pump control asymmetrical cylinder

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