CN108358079A - A kind of Multifunctional working platform - Google Patents
A kind of Multifunctional working platform Download PDFInfo
- Publication number
- CN108358079A CN108358079A CN201810370350.5A CN201810370350A CN108358079A CN 108358079 A CN108358079 A CN 108358079A CN 201810370350 A CN201810370350 A CN 201810370350A CN 108358079 A CN108358079 A CN 108358079A
- Authority
- CN
- China
- Prior art keywords
- platform
- leveling
- heating
- multifunctional working
- working platform
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/04—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other stationary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of Multifunctional working platform, the chassis of stage body is equipped with crawler belt, and hoisting apparatus is set on the leveling platform hit exactly at the top of stage body, and weld heating platform and sandblasting heating platform are respectively placed in the both sides of hoisting apparatus；Control cabinl pulpit and dynamical system are respectively placed in the both ends of stage body；Leveling platform is driven by hydraulic system, and by providing power by dynamical system respectively, the control terminal of hydraulic system and dynamical system is set in control cabinl pulpit for hoisting apparatus and crawler belt.By the transfer for the platform that crawler belt is realized, realize that pipeline welding and anti-corrosion are heated by weld heating platform；Realize that pipeline derusting by sandblasting stress release and anti-corrosion heating, pipe clamping device realize gripping for pipeline by sand heating platform；The functions such as lifting, revolution, luffing, platform erection are realized by hoisting apparatus.The work capacities such as platform erection, docking, welding, anti-corrosion, lower ditch are increased, the efficiency of construction is greatly improved, reduce use cost, there is very strong practicability and wide applicability.
Description
Technical field
The present invention relates to a kind of workbenches, and in particular to a kind of Multifunctional working platform.
Background technology
In oil and gas pipeline construction, the transport of steel pipe, lifting, docking, welding, anti-corrosion, lower ditch are key links,
Machine for pipe can only meet one or two kinds of construction functions at present, therefore need to carry several tools, pole in work progress
The big working strength for enhancing construction personnel, extends the construction time, or even affects the quality of construction.
With the demand that the variation of construction environment and lean produce, work progress and result are proposed higher and higher
Requirement, therefore, a kind of can to meet a variety of constructions and the multifunctional pipe construction machinery of demand simultaneously be to compel to be essential at this stage
It asks.
Invention content
To solve the deficiencies in the prior art, it can rise and reset in sloping floor leveling the purpose of the present invention is to provide one kind
The standby pipeline construction Multifunctional working platform for implementing lifting.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
The chassis of a kind of Multifunctional working platform, stage body is equipped with crawler belt, and hoisting apparatus is set to the leveling hit exactly at the top of stage body
On platform, weld heating platform and sandblasting heating platform are respectively placed in the both sides of hoisting apparatus；Control cabinl pulpit and dynamical system difference
It is placed in the both ends of stage body；
The leveling platform is driven by hydraulic system, hoisting apparatus and crawler belt by providing power by dynamical system respectively,
The control terminal of hydraulic system and dynamical system is set in control cabinl pulpit.
Above-mentioned leveling platform is placed in by axis pin on sloped footing, and hydraulic system includes set on the bottom both ends of leveling platform
Leveling cyclinder；The leveling cyclinder is driven by control valve, by hydraulic pump from hydraulic oil container fuel feeding.To realize hoisting apparatus
Leveling.
Further, the rod cavity connection of above-mentioned leveling cyclinder, when an oil cylinder stretches out, another oil cylinder synchronizes same stroke and stretches
Contracting.Realize the synchronous shift control of twin-tub.
Further, above-mentioned leveling cyclinder is equipped with oil cylinder normal valve, if the rod cavity connection of parallel bars, can be achieved the same of twin-tub
Step locking.
Further, above-mentioned leveling cyclinder is equipped with oil cylinder oil compensating safety valve.
Further, above-mentioned leveling cyclinder bottom is equipped with pressure sensor, connects control valve.
The side of above-mentioned stage body is equipped with pipe clamping device, and control port is set in control cabinl pulpit, realizes that pipeline grips.
Above-mentioned hoisting apparatus includes the turntable being placed in by pivoting support on leveling platform, and axis connects arm and support on turntable
The amplitude oil cylinder of arm；The top of the arm connects suspension hook by steel wire rope, and bottom end is equipped with the roll-up spindle of steel wire rope.It realizes
Weight, revolution, luffing, platform erection function.
Above-mentioned weld heating platform includes：Pipeline welding machine special and the infrared heating dress being connect with weld heating control device
It sets；Dynamical system is supplied to power by weld heating control device.Realize pipeline welding and anti-corrosion heating.
Above-mentioned sandblasting heating platform includes：The cooling driers that are connect with sandblasting heating control apparatus, sand blasting unit, heating in medium frequency
Device；
The sand blasting unit includes the sand-blasting machine and recovery device for sand blasting for connecting air compressor machine；Dynamical system is added by sandblasting
Heat control device provides power.Realize pipeline derusting by sandblasting stress release and anti-corrosion heating.
Further, -20 ° to+20 ° of the levelling range of above-mentioned leveling cyclinder.
Further, hydraulic pump control mode includes variable pump, constant displacement pump, and structure type includes plunger pump, gear pump.
Further, leveling cyclinder structure type includes piston cylinder, plunger case.
Further, control valve manipulation form includes mechanical commutation valve, pilot operated directional control valve, electric control reversing valve, electro-hydraulic commutation
Valve；Control valve type includes switch valve, throttle grverning reversal valve, load sensing speed governing valve.
Further, it includes hydraulically balanced valve, hydraulic lock, hydraulic explosion-proof valve, hydraulic pressure cut-off to adjust oily oil cylinder lock-up valve type
Valve, hydraulicdirectional control valve.
The invention has the beneficial effects that：
A kind of Multifunctional working platform of the present invention passes through weld heating platform by the transfer for the platform that crawler belt is realized
Realize pipeline welding and anti-corrosion heating；Pipeline derusting by sandblasting stress release and anti-corrosion heating, pipe clamp are realized by sand heating platform
Device realizes gripping for pipeline；By regulation of hydraulic system leveling platform, realize in big inclined-plane hoisting apparatus leveling
Function so that hoisting apparatus realizes the functions such as 360 ° of liftings, revolution, luffing, platform erections under horizontality, increases lifting
The job area of device, can greatly improve operating efficiency and convenience for construction；By pressure-detecting device, in leveling and lifting
Detection in real time is assisted leveling by pressure pressure in the process.
A kind of Multifunctional working platform of the present invention, is a safe, reliable, efficient, multipotency machine for pipe；Phase
To existing equipment, the work capacities such as platform erection, docking, welding, anti-corrosion, lower ditch are increased, while solving existing equipment
The problems such as lifting capacity is small, control is complicated, safety is poor is a pipeline construction integrated platform, greatly improves the efficiency of construction, drop
Low use cost, have very strong practicability and wide applicability, be particularly suitable for use as oil and gas pipeline transport,
Stringing, docking, welding, anti-corrosion, lower ditch comprehensive workbench.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Multifunctional working platform of the present invention.
Fig. 2 is a kind of vertical view of the structural schematic diagram of Multifunctional working platform of the present invention.
Fig. 3 is the structural schematic diagram of the hoisting apparatus of the present invention.
Fig. 4 is the structural schematic diagram of the leveling state of the present invention.
Fig. 5 is the principle schematic of the hydraulic system of the present invention.
The meaning marked in attached drawing is as follows：1, hoisting apparatus, 2, crawler belt, 3, dynamical system, 4, control cabinl pulpit, 5, pipe clamp dress
It sets, 6, weld heating platform, 7, sandblasting heating platform, 8, arm, 9, roll-up spindle, 10, leveling platform, 11, pivoting support, 12,
Leveling cyclinder, 13, turntable, 14, amplitude oil cylinder, 15, suspension hook, 16, steel wire rope, 17, oil cylinder normal valve, 18, pressure sensor,
19, oil cylinder oil compensating safety valve, 20, control valve, 21, hydraulic pump, 22, hydraulic oil container.
Specific implementation mode
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
The chassis of a kind of Multifunctional working platform, stage body is equipped with crawler belt 2, and hoisting apparatus 1, weld heating are equipped at the top of stage body
Platform 6, sandblasting heating platform 7, control cabinl pulpit 4 and dynamical system 3, wherein hoisting apparatus 1 are placed in the middle, and weld heating platform 6, sandblasting add
Hot platform 7 is respectively placed in both sides, and control cabinl pulpit 4 and dynamical system 3 are respectively placed in both ends.
The side of stage body is equipped with the pipe clamping device 5 of clamping pipeline.
The control terminal of operation hydraulic system and dynamical system 3 in control cabinl pulpit 4, respectively drives leveling platform 10, plays refitting
1 and crawler belt 2 are set, and power is provided by dynamical system 3.
Hoisting apparatus 1 includes the turntable 13 being placed in by pivoting support 11 on leveling platform 10, and axis connects arm 8 on turntable 13
And the amplitude oil cylinder 14 of support arm 8；The top of arm 8 connects suspension hook 15 by steel wire rope 16, and bottom end is equipped with the volume of steel wire rope 16
Receive axis 9.
Leveling platform 10 is placed in by axis pin on the sloped footing in stage body face, and both ends bottom is supported by leveling cyclinder 12；It adjusts
Flat oil cylinder 12 is driven by control valve 20, by hydraulic pump 21 from 22 fuel feeding of hydraulic oil container.And the rod cavity of the leveling cyclinder 12 at both ends
Connection, when an oil cylinder stretches out, it is flexible that another oil cylinder synchronizes same stroke.Oil cylinder normal valve 17 realizes the genlocing of twin-tub.
Valve 20 provides compression data to the pressure sensor 18 of 12 bottom of leveling cyclinder in order to control, flat by stress balance accurate balance leveling
Platform 10.Further, leveling cyclinder 12 separately sets oil cylinder oil compensating safety valve 19.
Preferably, the levelling range of leveling cyclinder 12 is -20 ° to+20 °.
Stage body face both sides are respectively placed in, weld heating platform 6 is special by the pipeline being connect with weld heating control device
Welding machine and infrared heating device composition；Sandblasting heating platform 7 by connect with sandblasting heating control apparatus cooling driers, sandblasting fill
It sets, frequency heating device composition；Sand blasting unit includes the sand-blasting machine and recovery device for sand blasting for connecting air compressor machine.Dynamical system 3 is divided
Power is not provided by sandblasting heating control apparatus and weld heating control device.
It is torn open certainly in use, pipe clamping device 5, weld heating platform 6, sandblasting heating platform 7 may be implemented in hoisting apparatus 1
Dress, realizes being switched fast for each equipment.
When practical operation, especially complete machine is when ramp is constructed, to ensure that tackling system is securely and reliably constructed, it is necessary first to right
Lifting platform carries out Levelling operation, leveling hydraulic system work, and the work of HYDRAULIC CONTROL SYSTEM valve 20 commutates, and leveling cyclinder 12 is dynamic
Make, under the action of 12 displacement of leveling cyclinder and thrust, leveling platform 10 is realized to level angle direction and adjusted, two at this time
12 1 oil cylinder of leveling cyclinder is active cylinder, and another oil cylinder is servo cylinder, and two oil cylinders synchronize one and stretch a contracting, and synchronization action is adjusted
When lifting platform to horizontal safety position, by oil cylinder lock-up valve by 12 latched position of leveling cyclinder, two oil when hoisting operation
Cylinder realizes rigid body by control system, and two oil cylinders constantly carry out stress adjusting according to loading condition, ensures two oil cylinders
Stress simultaneously is not in that single cylinder stressing conditions occur, ensures the safe and reliable of whole system.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (10)
1. a kind of Multifunctional working platform, which is characterized in that the chassis of stage body is equipped with crawler belt, and hoisting apparatus is set at the top of stage body just
In leveling platform on, weld heating platform and sandblasting heating platform are respectively placed in the both sides of hoisting apparatus；Control cabinl pulpit and power
System is respectively placed in the both ends of stage body；
The leveling platform is driven by hydraulic system, and hoisting apparatus and crawler belt by dynamical system by providing power, hydraulic pressure system respectively
The control terminal of system and dynamical system is set in control cabinl pulpit.
2. a kind of Multifunctional working platform according to claim 1, which is characterized in that the leveling platform is set by axis pin
In on sloped footing, hydraulic system includes the leveling cyclinder set on the bottom both ends of leveling platform；The leveling cyclinder is by controlling
Valve drives, by hydraulic pump from hydraulic oil container fuel feeding.
3. a kind of Multifunctional working platform according to claim 2, which is characterized in that the rod cavity of the leveling cyclinder connects
Logical, when an oil cylinder stretches out, it is flexible that another oil cylinder synchronizes same stroke.
4. a kind of Multifunctional working platform according to claim 2, which is characterized in that the leveling cyclinder is fixed equipped with oil cylinder
Position valve.
5. a kind of Multifunctional working platform according to claim 2, which is characterized in that the leveling cyclinder is mended equipped with oil cylinder
Oily safety valve.
6. a kind of Multifunctional working platform according to claim 2, which is characterized in that the leveling cyclinder bottom is equipped with pressure
Force snesor connects control valve.
7. a kind of Multifunctional working platform according to claim 1, which is characterized in that the side of the stage body is equipped with pipe clamp
Device, control port are set in control cabinl pulpit.
8. a kind of Multifunctional working platform according to claim 1, which is characterized in that the hoisting apparatus includes passing through back
Turn the turntable that bearing is placed on leveling platform, axis connects arm and supports the amplitude oil cylinder of arm on turntable；
The top of the arm connects suspension hook by steel wire rope, and bottom end is equipped with the roll-up spindle of steel wire rope.
9. a kind of Multifunctional working platform according to claim 1, which is characterized in that the weld heating platform includes：
The pipeline welding machine special and infrared heating device being connect with weld heating control device；Dynamical system is controlled by weld heating and is filled
It sets and is supplied to power.
10. a kind of Multifunctional working platform according to claim 1, which is characterized in that the sandblasting heating platform includes：
The cooling driers that are connect with sandblasting heating control apparatus, sand blasting unit, frequency heating device；The sand blasting unit includes connection pneumatics
The sand-blasting machine and recovery device for sand blasting of machine；Dynamical system provides power by sandblasting heating control apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370350.5A CN108358079A (en) | 2018-04-24 | 2018-04-24 | A kind of Multifunctional working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370350.5A CN108358079A (en) | 2018-04-24 | 2018-04-24 | A kind of Multifunctional working platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108358079A true CN108358079A (en) | 2018-08-03 |
Family
ID=63009042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810370350.5A Pending CN108358079A (en) | 2018-04-24 | 2018-04-24 | A kind of Multifunctional working platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108358079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140006A (en) * | 2020-09-24 | 2020-12-29 | 四川石油天然气建设工程有限责任公司 | Anticorrosive workstation that removes with sandblast and heating function |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039791A (en) * | 2010-06-13 | 2011-05-04 | 长沙中联重工科技发展股份有限公司 | Vehicle body dip angle adjusting unit, oil gas suspension mechanism and mobile crane |
| CN102602823A (en) * | 2012-03-31 | 2012-07-25 | 常州市瑞泰工程机械有限公司 | Leveling mechanism for engineering machinery |
| CN102937139A (en) * | 2012-11-14 | 2013-02-20 | 长沙中联消防机械有限公司 | Pivoting support, boom system and elevating fire truck |
| CN103407895A (en) * | 2013-08-09 | 2013-11-27 | 长沙中联消防机械有限公司 | Support leg automatic leveling method, equipment, system and engineering machinery |
| CN103612991A (en) * | 2013-12-02 | 2014-03-05 | 安涛(宁波)电器有限公司 | Heavy-load leveling crane |
| CN204449890U (en) * | 2015-03-03 | 2015-07-08 | 王福声 | Pipeline internal combustion generating welding Multifunction machineshop truck |
| CN105384071A (en) * | 2015-12-29 | 2016-03-09 | 中联重科股份有限公司 | Assembly and disassembly equipment of engineering vehicle as well as control method and device of assembly and disassembly equipment |
| CN205687507U (en) * | 2016-06-04 | 2016-11-16 | 山西方盛液压机电设备有限公司 | A kind of hydraulic proportional controls automatic horizontal levelling device |
| CN206049993U (en) * | 2016-08-31 | 2017-03-29 | 中国人民解放军镇江船艇学院 | A kind of gangway ladder horizontally rotates adjusting apparatus |
| CN107061397A (en) * | 2017-05-12 | 2017-08-18 | 重庆迈威重工机械有限公司 | A kind of automatic leveling down-the-hole drill and its control method |
| CN208182504U (en) * | 2018-04-24 | 2018-12-04 | 徐工集团工程机械股份有限公司 | A kind of Multifunctional working platform |
-
2018
- 2018-04-24 CN CN201810370350.5A patent/CN108358079A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039791A (en) * | 2010-06-13 | 2011-05-04 | 长沙中联重工科技发展股份有限公司 | Vehicle body dip angle adjusting unit, oil gas suspension mechanism and mobile crane |
| CN102602823A (en) * | 2012-03-31 | 2012-07-25 | 常州市瑞泰工程机械有限公司 | Leveling mechanism for engineering machinery |
| CN102937139A (en) * | 2012-11-14 | 2013-02-20 | 长沙中联消防机械有限公司 | Pivoting support, boom system and elevating fire truck |
| CN103407895A (en) * | 2013-08-09 | 2013-11-27 | 长沙中联消防机械有限公司 | Support leg automatic leveling method, equipment, system and engineering machinery |
| CN103612991A (en) * | 2013-12-02 | 2014-03-05 | 安涛(宁波)电器有限公司 | Heavy-load leveling crane |
| CN204449890U (en) * | 2015-03-03 | 2015-07-08 | 王福声 | Pipeline internal combustion generating welding Multifunction machineshop truck |
| CN105384071A (en) * | 2015-12-29 | 2016-03-09 | 中联重科股份有限公司 | Assembly and disassembly equipment of engineering vehicle as well as control method and device of assembly and disassembly equipment |
| CN205687507U (en) * | 2016-06-04 | 2016-11-16 | 山西方盛液压机电设备有限公司 | A kind of hydraulic proportional controls automatic horizontal levelling device |
| CN206049993U (en) * | 2016-08-31 | 2017-03-29 | 中国人民解放军镇江船艇学院 | A kind of gangway ladder horizontally rotates adjusting apparatus |
| CN107061397A (en) * | 2017-05-12 | 2017-08-18 | 重庆迈威重工机械有限公司 | A kind of automatic leveling down-the-hole drill and its control method |
| CN208182504U (en) * | 2018-04-24 | 2018-12-04 | 徐工集团工程机械股份有限公司 | A kind of Multifunctional working platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140006A (en) * | 2020-09-24 | 2020-12-29 | 四川石油天然气建设工程有限责任公司 | Anticorrosive workstation that removes with sandblast and heating function |
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