CN202429912U - Hydraulic protector for transportation of plate slab - Google Patents

Hydraulic protector for transportation of plate slab Download PDF

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Publication number
CN202429912U
CN202429912U CN 201120568266 CN201120568266U CN202429912U CN 202429912 U CN202429912 U CN 202429912U CN 201120568266 CN201120568266 CN 201120568266 CN 201120568266 U CN201120568266 U CN 201120568266U CN 202429912 U CN202429912 U CN 202429912U
Authority
CN
China
Prior art keywords
hydraulic
plate slab
fuel tank
oil cylinder
electromagnetic
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.)
Withdrawn - After Issue
Application number
CN 201120568266
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Chinese (zh)
Inventor
赵燚
田长明
魏大龙
陈杨
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.)
Dalian Huarui Heavy Industry Group Co Ltd
Original Assignee
Dalian Huarui Heavy Industry Group 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 Dalian Huarui Heavy Industry Group Co Ltd filed Critical Dalian Huarui Heavy Industry Group Co Ltd
Priority to CN 201120568266 priority Critical patent/CN202429912U/en
Application granted granted Critical
Publication of CN202429912U publication Critical patent/CN202429912U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a hydraulic protector for transportation of a plate slab, and is characterized in that four synchronous hydraulic oil cylinder groups, which are driven by a hydraulic system, are arranged at the top surface of a suspended beam, each hydraulic oil cylinder group comprises a lifting oil cylinder and a rotating oil cylinder, an output shaft of the rotating oil cylinder, which corresponds to a position of the transported plate slab at the bottom surface of an electromagnetic disc is connected with a protecting claw, and a limiting switch is arranged on the outer lateral surface at the bottom of a sliding column; the hydraulic system comprises a lifting oil cylinder, a first one-way throttle valve, a three-position three-way electromagnetic overflow valve, a hydraulic pump, a rotating oil cylinder, a second one-way throttle valve, a three-position four-way electromagnetic overflow valve, an energy storage, a pressure meter, an air filter, an atmosphere type oil tank and connecting pipelines among the hydraulic elements. The hydraulic protector, provided by the utility model, has the advantages of being reasonable in design, compact in structure, safe and reliable in transportation work, capable of realizing semi-automation of a hoisting work, stable in operation, smooth in transportation, labor-saving, easy to operate and the like.

Description

Plate slab carrying hydraulic protector
Technical field
The utility model belongs to the overhead traveling crane machine equipment, particularly is applicable to a kind of plate slab carrying hydraulic protector of electromagnetic suspended beam crane in bridge type carrying plate slab.
Background technology
At present; The carrying of plate slabs such as electromagnetic suspended beam crane in bridge type is provided with to have a power failure with hoisting crane protects magnetic system; Its structure comprises the clasp joint spare of drop in beam, ∏ shape transverse slat, electromagnetic disc, electromagnetic disc connecting device, energy disperser and hoisting device suspension hook; The two ends symmetry rigidity of its drop in beam is connected the middle part of two ∏ shape transverse slats; On the cover plate of the both sides at drop in beam center, be arranged with the clasp joint spare of hoisting device suspension hook, reach the electromagnetic disc that is connected with its electromagnetic disc connecting device at each ∏ shape transverse slat bottom surface middle part installing electromagnetic disc connecting device, its each two ends, ∏ shape transverse slat bottom surface installing energy disperser; Its energy disperser can touch with electromagnetic disc; Through electromagnetic disc the plate slab suction is connected on the electromagnetic disc bottom surface, realizes carrying plate slab.But above-mentioned electromagnetic suspended beam crane in bridge type is when the carrying plate slab; Except that crane driver; The special messenger also to be set on ground command its carrying operation; In case unexpected power failure, dead electricity occur, when falling to equate common electrical accident, can make magnetic chuck keep the short time working ability up to the circulation of finishing the work though magnetic system is protected in the power failure of installing; But when the handling method is improper when occurring, vibrations etc. causes the unforeseen circumstances of over burdening, also can cause plate slab to come off and cause safety misadventures such as smashing roller-way or personal casualty, and cause heavy economic losses to enterprise.Therefore, to the shortcoming and defect part of above-mentioned existence, a kind of plate slab carrying of research and development safety guard-safeguard failure-free hydraulic protector is very necessary.
Summary of the invention
The utility model is intended to the shortcoming and defect part that in above-mentioned technology, exists; And providing not only reasonable in design, compact conformation had both been carried safe and reliable; Realize the semi-automation of lifting job again; And have stablely, and carry unimpededly, save manpower and manipulate a kind of very easily plate slab carrying hydraulic protector.
The purpose of the utility model is to adopt following technical scheme to realize: described plate slab carrying hydraulic protector; The clasp joint spare that comprises drop in beam, transverse slat, electromagnetic disc, electromagnetic disc connecting device, energy disperser and hoisting device suspension hook; It is characterized in that: four hydraulic ram groups that are synchronized with the movement that its drop in beam end face installing is driven by hydraulic efficiency pressure system; Described each hydraulic ram group is made up of hoist cylinder and rotational fuel tank; The top of stretching out rod end and slide post of its hoist cylinder is hinged, and its slide post can be along sliding in the tabula end; Bottom one side of its slide post connects rotational fuel tank, is connected on the output shaft of the corresponding rotational fuel tank in plate slab position that is handled upside down with the electromagnetic disc bottom surface and protects pawl, and on the bottom outside face of its slide post, install limit switch; Described hydraulic efficiency pressure system is made up of the connecting line between hoist cylinder, first one-way throttle valve, 3-position-3-way electromagnetic relief valve, Hydraulic Pump, rotational fuel tank, second one-way throttle valve, 3-position 4-way electromagnetic relief valve, accumulator, compression indicator, airfilter, logical air suspended type fuel tank and described each Hydraulic Elements.
The step of the method for operation of described plate slab carrying hydraulic protector is following:
Step 1: behind its electromagnetic disc absorption plate slab; The hoist cylinder of its hydraulic efficiency pressure system is connected; This moment, its 3-position-3-way electromagnetic relief valve was in right position state; Its Hydraulic Pump and accumulator simultaneously to the hoist cylinder fuel feeding, are realized its protection pawl descending motion through the first one-way throttle valve, and this moment, the rotational fuel tank of its hydraulic efficiency pressure system was in off-state;
Step 2: after " step 1 " accomplished; Hoist cylinder in its hydraulic efficiency pressure system breaks off; Connect the rotational fuel tank of its hydraulic efficiency pressure system; This moment, its 3-position 4-way electromagnetic relief valve was in position, left side state, and its Hydraulic Pump and accumulator simultaneously to the rotational fuel tank fuel feeding, are realized its protection pawl half-twist through the second one-way throttle valve;
Step 3: after plate slab reaches assigned address, need before the unloading; Connect the rotational fuel tank of its hydraulic efficiency pressure system; Make the 3-position 4-way electromagnetic relief valve be in right position state; Its Hydraulic Pump and accumulator, are realized resetting after 90 ° of its protection pawl contrarotations simultaneously to the rotational fuel tank fuel feeding through the second one-way throttle valve;
Step 4: after " step 3 " accomplished; Connect the hoist cylinder in the hydraulic efficiency pressure system, this moment, the 3-position-3-way electromagnetic relief valve was in position, left side state, and its Hydraulic Pump and accumulator pass through the first one-way throttle valve simultaneously to the hoist cylinder fuel feeding; Realize its protection pawl upward movement, accomplish a working cycle; So analogize, get into next working cycle.
The principle branch of the utility model is set forth in down: the utility model mainly is made up of clasp joint spare, hydraulic efficiency pressure system, slide post, protection pawl, the limit switch of drop in beam, transverse slat, electromagnetic disc, electromagnetic disc connecting device, energy disperser, hoisting device suspension hook; When the electromagnetic suspended beam crane in bridge type under light condition; The protection pawl is in limes superiors position H initial condition; And the protection pawl is parallel with drop in beam, guarantees to protect pawl not influence load-engaging device and gets thing.When the electromagnetic suspended beam crane in bridge type the work area hang get plate slab after; Under the driving of hydraulic efficiency pressure system, make the protection pawl stretch out one section downwards, and half-twist; Protect this moment pawl to arrive the lower limit state; Vertical with drop in beam, and be under the plate slab, thereby, plate slab forms the mechanical protection measure when transporting.According to steel mill's technological process of production; Before the electromagnetic suspended beam crane in bridge type runs to stacking zone or other work area unloading plate slab; Protection pawl half-twist under the driving of hydraulic efficiency pressure system is got back to initial angle; And upwards promote according to circumstances, protect pawl to be separated from the vertical drop area of space of plate slab in the case, do not unload plate slab thereby do not influence load-engaging device at assigned address.Under the driving of hydraulic efficiency pressure system, make the protection pawl upwards rise to initial position, accomplish a working cycle.Its drop in beam bottom is provided with buffer device and contacts with electromagnetic disc, plays the effect that prevents the electromagnetic disc swing, and the position that can adjust disk through it makes it to adapt to the out-of-flat that is hung steel plate, and energy disperser can also slow down the vibration that electromagnetic disc produces in discharge process.The drop in beam bottom also is provided with limit switch, and when the protection pawl moved to limes superiors position H, limit switch touched drop in beam, moves on electric control system controls protection pawl stops.Protection pawl lower limit is equipped with by hydraulic efficiency pressure system self with swing is spacing.
The comprehensive above technical scheme of being taked, the purpose of realization the utility model.
The utlity model has following characteristics:
1, safe and reliable, its being provided with of pawl of protection has been improved the safety of plate slab in transportation, has greatly adapted to the demand for development of modern industry hommization.
2, the protection system self-security is high, in the utility model, is provided with the duplicate protection mode of mechanical position limitation, hydraulic stop, has guaranteed the flexible and reliability of operation of piston push rod.
3, degree of automation is high, only needs driver's one man operation to get final product, and the special messenger commander need not be established in ground, has guaranteed the semi-automatic needs of the automation of lifting job have highly been adapted to the enterprise automation development of modernized industry, material resources.
Therefore, the utility model is not only reasonable in design, and compact conformation had both been carried safe and reliablely, realized the semi-automation of lifting job again, and has stablely, carries unimpededly, saves manpower and manipulates advantages such as very convenient.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
The utility model has three width of cloth accompanying drawings.Wherein:
Accompanying drawing 1 is the main TV structure scheme drawing of the utility model specific embodiment;
Accompanying drawing 2 is 1 lateral plans;
Accompanying drawing 3 is connection scheme drawings of the hydraulic efficiency pressure system 2 of the A place enlarged drawing-the utility model specific embodiment among Fig. 1.
Among the figure: 1, clasp joint spare, 2, hydraulic efficiency pressure system, 3, drop in beam, 4, slide post, 5, the protection pawl, 6, energy disperser; 7, limit switch, 8, electromagnetic disc, 9, plate slab, 10, hoist cylinder, 11, the first one-way throttle valve; 12,3-position-3-way electromagnetic relief valve, 13, Hydraulic Pump, 14, rotational fuel tank, 15, the second one-way throttle valve, 16, the 3-position 4-way electromagnetic relief valve; 17, accumulator, 18, compression indicator, 19, airfilter, 20, logical air suspended type fuel tank, 21, transverse slat.
The specific embodiment
Fig. 1,2, shown in 3 the specific embodiment of the utility model; It is a kind of plate slab carrying hydraulic protector that certain steel mill adopts electromagnetic suspended beam crane in bridge type carrying plate slab 9; The clasp joint spare 1 that comprises transverse slat 21, electromagnetic disc 8, electromagnetic disc connecting device, Buffer Unit 6 and the hoisting device suspension hook of drop in beam 3, ∏ shape; It is characterized in that: four hydraulic ram groups that are synchronized with the movement that its drop in beam 3 end faces installing is driven by hydraulic efficiency pressure system 2; Described each hydraulic ram group is made up of hoist cylinder 10 and rotational fuel tank 14; The top of stretching out rod end and slide post 4 of its hoist cylinder 10 is hinged, and its slide post 4 can be along sliding in transverse slat 21 ends of ∏ shape; Bottom one side of its slide post 4 connects rotational fuel tank 14, is connected protection pawl 5 on the output shaft of the corresponding rotational fuel tank 14 in plate slab 9 positions that is handled upside down with electromagnetic disc 8 bottom surfaces, and on the bottom outside face of its slide post 4, installs limit switch 7; Described hydraulic efficiency pressure system 2 is made up of the connecting line between hoist cylinder 10, first one-way throttle valve 11,3-position-3-way electromagnetic relief valve 12, Hydraulic Pump 13, rotational fuel tank 14, second one-way throttle valve 15,3-position 4-way electromagnetism overflow 16, accumulator 17, compression indicator 18, airfilter 19, logical air suspended type fuel tank 20 and described each Hydraulic Elements.
Described protection pawl 5 is the box beam member, when the electromagnetic suspended beam crane in bridge type under light condition, its protection pawl 5 is in the initial condition of limes superiors position H, and its protection pawl 5 is parallel with drop in beam 3.
The pipeline of described accumulator 17 is provided with compression indicator 18.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; All are familiar with the technical personnel in present technique field in the disclosed technical scope of the utility model, are equal to replacement or change according to the design of the technical scheme of the utility model and the utility model thereof all should be encompassed within the protection domain of the utility model.

Claims (2)

1. a plate slab is carried hydraulic protector; The clasp joint spare that comprises drop in beam, transverse slat, electromagnetic disc, electromagnetic disc connecting device, energy disperser and hoisting device suspension hook; It is characterized in that: four hydraulic ram groups that are synchronized with the movement that the installing of its drop in beam (3) end face is driven by hydraulic efficiency pressure system (2); Described each hydraulic ram group is made up of hoist cylinder (10) and rotational fuel tank (14), and the top of stretching out rod end and slide post (4) of its hoist cylinder (10) is hinged, and its slide post (4) can be along sliding in the tabula end; Bottom one side of its slide post (4) connects rotational fuel tank (14); Be connected protection pawl (5) on the output shaft of the corresponding rotational fuel tank in plate slab (9) position (14) that is handled upside down with electromagnetic disc (8) bottom surface, and on the bottom outside face of its slide post (4), install limit switch (7); Described hydraulic efficiency pressure system (2) is made up of the connecting line between hoist cylinder (10), first one-way throttle valve (11), 3-position-3-way electromagnetic relief valve (12), Hydraulic Pump (13), rotational fuel tank (14), second one-way throttle valve (15), 3-position 4-way electromagnetic relief valve (16), accumulator (17), compression indicator (18), airfilter (19), logical air suspended type fuel tank (20) and described each Hydraulic Elements.
2. by the described plate slab carrying of claim 1 hydraulic protector; It is characterized in that: described protection pawl (5) is the box beam member; When the electromagnetic suspended beam crane in bridge type under light condition, protection pawl (5) is in the initial condition of limes superiors position H, and its protection pawl (5) is parallel with drop in beam (3).
CN 201120568266 2011-12-30 2011-12-30 Hydraulic protector for transportation of plate slab Withdrawn - After Issue CN202429912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120568266 CN202429912U (en) 2011-12-30 2011-12-30 Hydraulic protector for transportation of plate slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120568266 CN202429912U (en) 2011-12-30 2011-12-30 Hydraulic protector for transportation of plate slab

Publications (1)

Publication Number Publication Date
CN202429912U true CN202429912U (en) 2012-09-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120568266 Withdrawn - After Issue CN202429912U (en) 2011-12-30 2011-12-30 Hydraulic protector for transportation of plate slab

Country Status (1)

Country Link
CN (1) CN202429912U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102515029A (en) * 2011-12-30 2012-06-27 大连华锐重工集团股份有限公司 Hydraulic protection device for steel sheet billet handling and operation method thereof
CN108163692A (en) * 2017-11-23 2018-06-15 赵东鸣 A kind of steel plate handling suspension hook
CN111232837A (en) * 2020-02-19 2020-06-05 合肥市春华起重机械有限公司 Unmanned crane steel arm framework and assembling method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102515029A (en) * 2011-12-30 2012-06-27 大连华锐重工集团股份有限公司 Hydraulic protection device for steel sheet billet handling and operation method thereof
CN102515029B (en) * 2011-12-30 2013-11-13 大连华锐重工集团股份有限公司 Hydraulic protection device for steel sheet billet handling and operation method thereof
CN108163692A (en) * 2017-11-23 2018-06-15 赵东鸣 A kind of steel plate handling suspension hook
CN108163692B (en) * 2017-11-23 2019-03-05 湖北天佑建筑工程有限公司 A kind of steel plate handling suspension hook
CN111232837A (en) * 2020-02-19 2020-06-05 合肥市春华起重机械有限公司 Unmanned crane steel arm framework and assembling method

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GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20120912

Effective date of abandoning: 20131113

RGAV Abandon patent right to avoid regrant