CN107628531A - A kind of grab bucket crane - Google Patents
A kind of grab bucket crane Download PDFInfo
- Publication number
- CN107628531A CN107628531A CN201711094835.8A CN201711094835A CN107628531A CN 107628531 A CN107628531 A CN 107628531A CN 201711094835 A CN201711094835 A CN 201711094835A CN 107628531 A CN107628531 A CN 107628531A
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- China
- Prior art keywords
- bucket
- grab
- hanger bracket
- grab bucket
- valve
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- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 9
- 230000003405 preventing effect Effects 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of grab bucket crane, including two lifting girders, dolly and three grab buckets, Parallel Symmetric is set before and after two lifting girders, dolly is erected above two lifting girders, transverse uniaxial is provided with the first reel and the second reel on dolly, hanger bracket is provided with immediately below two lifting girders, hanger bracket lower section is horizontally-parallel to be provided with three grab buckets, and three grab buckets are fixedly connected with hanger bracket.What the present invention three grabbed bucket is designed to greatly promote operating efficiency, the setting of hanger bracket can effectively prevent grab bucket from being rotated after lifting by crane, the closure of grab bucket and opening are controlled using hydraulically extensible bar, make grab bucket more flexible and capture more firm, the setting of sealing strip can avoid grabbing granule materials and spill or material leakage during liquid in the side wall of hydraulically extensible bar lower end stage clip and the valve that struggles against, leak preventing effect is improved, improves operating efficiency.
Description
Technical field
The present invention relates to crane field, especially a kind of grab bucket crane.
Background technology
The method of operation of crane has two kinds at present：One kind is that rail form (on fixed rail transport by girder wheel
OK), another kind is trackless (no trapped orbit, by tire or crawler belt supporting operation).Locomotive crane knot known to us
Structure is：There is support main beam, the end carriage and its roller walked along long rails are hinged with support main beam both ends, it is parallel on girder
Two cross tracks are installed, locomotive and its end carriage and roller are movably installed with two cross tracks, in moving cart
The lifting mechanism of lifting object is installed.
Existing grab bucket crane, mostly single grab bucket crane, single grab bucket crane run work, work against a grab bucket
It is low to make efficiency, and after single grab bucket crane has lifted by crane weight, if weight centre-of gravity shift tends to rotate, easily triggers great
Production accident, and a small number of more grab bucket cranes, the setting of grab bucket is axially arranged along girder, causes the stroke of dolly to shorten
Traditional hydraulic grab often leaks because the not ideal enough of bucket valve structure design of grab bucket can not realize good sealing
Material drops off phenomenon.
The content of the invention
In view of the deficienciess of the prior art, grabbed bucket it is an object of the invention to provide one kind more, be anti-rotational and be provided with close
The grab bucket crane of strip of paper used for sealing and stage clip, to solve the problems mentioned in the above background technology.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of grab bucket crane, including two lifting girders, dolly and three are grabbed bucket, and Parallel Symmetric is set before and after two lifting girders
Put, dolly is erected above two lifting girders, and transverse uniaxial is provided with the first reel and the second reel on dolly, dolly just under
Side is provided with hanger bracket, and described hanger bracket includes first crossbeam, second cross beam, the first vertical beam and the second vertical beam, the first vertical beam
Be parallel to each other with the second vertical beam, first crossbeam and second cross beam be parallel to each other and be separately positioned on first crossbeam and second cross beam it
Between front and rear, the first crossbeam of hanger bracket and the upper center of second cross beam are provided with hanging wheel, the first reel and
Two reels are connected with the hanging wheel on hanger bracket first crossbeam and second cross beam respectively by steel wire rope, horizontally-parallel below hanger bracket
Three grab buckets are provided with, three grab buckets are fixedly connected with hanger bracket, and described grab bucket includes fixed mount and on fixed mount
At least four bucket valves, bucket valve is bowl-shape in closing after all closing, and fixed mount includes upper holder and lower fixed frame, and upper holder is set
Put directly over lower fixed frame, be vertically arranged with hydraulically extensible bar in the middle part of upper holder lower end, hydraulically extensible bar bottom with it is upper solid
Determine frame lower surface to be fixedly connected, lower fixed frame upper surface is vertically arranged with the set bucket of lower end closed, set bucket upper surface be provided with
The integrally formed set bung of bucket is covered, the through hole concentric with set bucket is provided with the middle part of set bung, through-hole diameter is less than the inner chamber of set bucket
Diameter, the interior intracavitary for covering bucket are provided with along bucket piston in axial sliding is covered, and piston freely up and down slides in the interior intracavitary of set bucket, living
End is fixedly connected with hydraulically extensible bar free end beyond the Great Wall, is set and is pressed on the hydraulically extensible bar between piston and set barrel cavity upper surface
Spring, sealing strip is provided with the side wall of described bucket valve, each upper end for struggling against valve is hinged with lower fixed frame, bucket valve outer surface
Middle part is be hinged to be provided with support bar, and post upper is hinged with upper holder.
Described bucket valve is welded side by side by three pieces of arc plates.
The front end of described bucket valve is provided with bucket tip.
Described sealing strip uses thermoplastic elastomer (TPE) class sealing strip.
The quantity of described bucket valve is four.
Described hydraulically extensible bar bottom is with upper holder lower surface by being welded and fixed.
Described stage clip nature lower piston rests on set barrel cavity bottom.
Relative to prior art, beneficial effects of the present invention are：Three grab buckets, which are laterally set, can greatly promote work effect
Rate, while the stroke of grab bucket crane work is ensure that, the setting of hanger bracket can effectively prevent grab bucket from being rotated after lifting by crane, and use
Hydraulically extensible bar controls the closure of grab bucket and opening, makes grab bucket more flexibly and crawl is more firm, in the side wall for the valve that struggles against close
The setting of strip of paper used for sealing can avoid grabbing granule materials and spill or material leakage during liquid, improve leak preventing effect, improve operating efficiency,
The setting of stage clip can effectively protect sealing strip, impact when avoiding bucket valve from closing up between adjacent bucket valve to sealing strip, extend close
Strip of paper used for sealing service life.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 side views；
Fig. 3 is Fig. 2 top views；
Fig. 4 is grab bucket schematic diagram；
Fig. 5 is hanging scaffold structure schematic diagram.
1. grab bucket, 2. dollies, 3. hanger brackets, 4. upper holders, 5. lower fixed frames, 6. support bars, 7. steel wire ropes, 8.
Hydraulically extensible bar, 9. stage clips, 10. bucket valves, 11. hanging wheels, 12. first crossbeams, 13. second cross beams, 14. first vertical beams, 15. second
Vertical beam, 16. first reels, 17. second reels, 18. sealing strips, 22 lifting girders.
Embodiment
Embodiment：As shown in Figures 1 to 5, a kind of grab bucket crane of the present invention, including two lifting girders 22,
Dolly 2 and three grab buckets 1, Parallel Symmetric is set before and after two lifting girders 22, and dolly 2 is erected on two lifting girders 22
Square, transverse uniaxial is provided with the first reel 16 and the second reel 17 on dolly 2, and the underface of dolly 2 is provided with hanger bracket 3, institute
The hanger bracket 3 stated includes first crossbeam 12, second cross beam 13, the first vertical beam 14 and the second vertical beam 15, the first vertical beam 14 and second
Vertical beam 15 is parallel to each other, and first crossbeam 12 and second cross beam 13 are parallel to each other and are separately positioned on first crossbeam 12 and second cross beam
Front and rear between 13, the first crossbeam 12 of hanger bracket 3 and the upper center of second cross beam 13 are provided with hanging wheel 11, the
One reel 16 and the second reel 17 pass through the hanging wheel on first crossbeam 12 and second cross beam 13 in steel wire rope 7 and hanger bracket 3 respectively
11 connections, the lower section of hanger bracket 3 is horizontally-parallel to be provided with three grab buckets 1, and three grab buckets 1 are fixedly connected with hanger bracket 3, hanger bracket
3 setting rotates after can effectively preventing the lifting of grab bucket 1, and described grab bucket 1 includes fixed mount and at least four on fixed mount
Piece bucket valve 10, bucket valve 10 is bowl-shape in closing after all closing, and the quantity of present invention bucket valve 10 is four, and fixed mount includes upper fixation
Frame 4 and lower fixed frame 5, upper holder 4 are arranged on directly over lower fixed frame 5, and hydraulic pressure is vertically arranged with the middle part of the lower end of upper holder 4
Expansion link 8, the bottom of hydraulically extensible bar 8 are welded and fixed with the lower surface of upper holder 4, and the upper surface of lower fixed frame 5 is vertically arranged with down
The set bucket that end seal is closed, set bucket upper surface are provided with the set bung integrally formed with set bucket, are provided with the middle part of set bung same with set bucket
The through hole of the heart, through-hole diameter are less than the intracavity diameter of set bucket, and the interior intracavitary for covering bucket is provided with along bucket piston in axial sliding is covered, and is lived
The interior intracavitary filled in set bucket is freely up and down slided, and piston upper surface is fixedly connected with the free end of hydraulically extensible bar 8, piston and set bucket
Stage clip 9 is provided with hydraulically extensible bar 8 between the upper surface of inner chamber, the nature lower piston of stage clip 9 rests on the inner chamber of set bucket
Bottom, described bucket valve 10 are welded side by side by three pieces of arc plates, bucket valve 10 front end be provided with high intensity point and
Long bucket tip, the convenient grab bucket 1 of setting for tip of struggling against are grabbed the crawl that material is carried out into material heap, are respectively provided with the side wall for the valve 10 that struggles against
There is a sealing strip 18, sealing strip 18 uses thermoplastic elastomer (TPE) class sealing strip, and thermoplastic elastomer (TPE) class sealing strip has high intensity, high-elastic
Property, the characteristic of oil resistant and acid and alkali-resistance, more durable, the upper end of each valve 10 that struggles against is be hinged with lower fixed frame 5, bucket valve 10 outer surface
Middle part is be hinged to be provided with support bar 6, and the upper end of support bar 6 is be hinged with upper holder 4.
When the crawl material of grab bucket 1, hydraulically extensible bar 8, which shrinks, drives bucket valve 10 to close up, the contracts last band of hydraulically extensible bar 8
Dynamic pressure spring 9 compresses, and finally realizes that the conjunction of bucket valve 10 is tight under the left and right of hydraulically extensible bar 8, the setting of sealing strip 18 realizes bucket
Seamless between valve 10 to close up, the setting of stage clip 9 makes to realize that flexibility is closed up between bucket valve 10, can effectively protect sealing strip 18
Due to the collision brought when bucket valve 10 closes up, the service life of sealing strip 18 is extended, reduces production cost.
Three grab buckets 1 are designed to greatly promote operating efficiency, three laterally set grab bucket 1, are effectively guaranteed
The stroke of dolly work, the setting of hanger bracket 3 can effectively be prevented grab bucket 1 from being rotated after lifting by crane, be controlled using hydraulically extensible bar 8
The closure and opening of grab bucket 1, make grab bucket 1 more flexible and capture more firm, the setting of sealing strip 18 in the side wall of valve 10 that struggles against
Grab bucket 1 can be avoided to grab granule materials to spill or material leakage during liquid, leak preventing effect is improved, improve operating efficiency, stage clip 9 is set
Sealing strip 18 can be effectively protected, impact when avoiding bucket valve 10 from closing up between adjacent bucket valve 10 to sealing strip 18, extends sealing
The service life of bar 18.
Claims (7)
- A kind of 1. grab bucket crane, it is characterised in that：Including two lifting girders, dolly and three grab buckets, two lifting girders Front and rear Parallel Symmetric is set, and dolly is erected above two lifting girders, and transverse uniaxial is provided with the first reel and the on dolly Two reels, are provided with hanger bracket immediately below dolly, and described hanger bracket includes first crossbeam, second cross beam, the first vertical beam and the Two vertical beams, the first vertical beam and the second vertical beam are parallel to each other, and first crossbeam and second cross beam are parallel to each other and are separately positioned on first Front and rear between crossbeam and second cross beam, the first crossbeam of hanger bracket and the upper center of second cross beam are provided with and hung Wheel, the first reel and the second reel are connected with the hanging wheel on hanger bracket first crossbeam and second cross beam respectively by steel wire rope, are hanged Horizontally-parallel below hanger to be provided with three grab buckets, three grab buckets are fixedly connected with hanger bracket, and described grab bucket includes fixing Frame and at least four bucket valves on fixed mount, bucket valve whole is bowl-shape in closing after closing, and fixed mount includes upper holder with Fixed mount, upper holder are arranged on directly over lower fixed frame, and hydraulically extensible bar, hydraulic pressure are vertically arranged with the middle part of upper holder lower end Expansion link bottom is fixedly connected with upper holder lower surface, and lower fixed frame upper surface is vertically arranged with the set bucket of lower end closed, set Bucket upper surface is provided with the set bung integrally formed with set bucket, and the through hole concentric with set bucket is provided with the middle part of set bung, and through hole is straight Footpath is less than the intracavity diameter of set bucket, and the interior intracavitary for covering bucket is provided with along bucket piston in axial sliding is covered, and piston is in the inner chamber of set bucket Inside freely up and down slide, piston upper end is fixedly connected with hydraulically extensible bar free end, between piston and set barrel cavity upper surface Stage clip is set on hydraulically extensible bar, sealing strip is provided with the side wall of described bucket valve, the upper end of each valve that struggles against with it is lower solid Determine frame to be hinged, be hinged in the middle part of bucket valve outer surface to be provided with support bar, post upper is hinged with upper holder.
- A kind of 2. grab bucket crane according to claim 1, it is characterised in that：Described bucket valve is by three pieces of arc plates It is welded side by side.
- A kind of 3. grab bucket crane according to claim 1, it is characterised in that：The front end of described bucket valve is provided with bucket point Portion.
- A kind of 4. grab bucket crane according to claim 1, it is characterised in that：Described sealing strip uses thermoplastic elastic Body class sealing strip.
- A kind of 5. grab bucket crane according to claim 1, it is characterised in that：The quantity of described bucket valve is four.
- A kind of 6. grab bucket crane according to claim 1, it is characterised in that：Described hydraulically extensible bar bottom with it is upper solid Frame lower surface is determined by being welded and fixed.
- A kind of 7. grab bucket crane according to claim 1, it is characterised in that：Described stage clip nature lower piston stops Stay in set barrel cavity bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094835.8A CN107628531A (en) | 2017-11-09 | 2017-11-09 | A kind of grab bucket crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094835.8A CN107628531A (en) | 2017-11-09 | 2017-11-09 | A kind of grab bucket crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107628531A true CN107628531A (en) | 2018-01-26 |
Family
ID=61107424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094835.8A Pending CN107628531A (en) | 2017-11-09 | 2017-11-09 | A kind of grab bucket crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107628531A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671354A (en) * | 2022-05-27 | 2022-06-28 | 巢湖市爱华环保科技有限公司 | Raw material conveying crane suitable for calcium superphosphate production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2718434B1 (en) * | 1977-04-26 | 1978-11-02 | Fuchs Fa Johannes | Gripper placed on the boom of a machine |
| CN2431264Y (en) * | 2000-07-13 | 2001-05-23 | 王中山 | Hydraulic unhook-preventing changeable measuring box grab |
| CN2594237Y (en) * | 2003-01-17 | 2003-12-24 | 扬州威斯特机电有限公司 | Large bucket grab |
| CN101554977A (en) * | 2009-05-26 | 2009-10-14 | 山东丰汇设备技术有限公司 | Automatic grab bucket crane for straw bundles |
| CN105645259A (en) * | 2016-02-29 | 2016-06-08 | 普利资环境科技（苏州）有限公司 | Novel hydraulic sludge grab bucket |
| CN207375611U (en) * | 2017-11-09 | 2018-05-18 | 河南恒远恒山工业有限公司 | A kind of grab bucket crane |
-
2017
- 2017-11-09 CN CN201711094835.8A patent/CN107628531A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2718434B1 (en) * | 1977-04-26 | 1978-11-02 | Fuchs Fa Johannes | Gripper placed on the boom of a machine |
| CN2431264Y (en) * | 2000-07-13 | 2001-05-23 | 王中山 | Hydraulic unhook-preventing changeable measuring box grab |
| CN2594237Y (en) * | 2003-01-17 | 2003-12-24 | 扬州威斯特机电有限公司 | Large bucket grab |
| CN101554977A (en) * | 2009-05-26 | 2009-10-14 | 山东丰汇设备技术有限公司 | Automatic grab bucket crane for straw bundles |
| CN105645259A (en) * | 2016-02-29 | 2016-06-08 | 普利资环境科技（苏州）有限公司 | Novel hydraulic sludge grab bucket |
| CN207375611U (en) * | 2017-11-09 | 2018-05-18 | 河南恒远恒山工业有限公司 | A kind of grab bucket crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671354A (en) * | 2022-05-27 | 2022-06-28 | 巢湖市爱华环保科技有限公司 | Raw material conveying crane suitable for calcium superphosphate production |
| CN114671354B (en) * | 2022-05-27 | 2022-10-18 | 巢湖市爱华环保科技有限公司 | Raw material conveying crane suitable for calcium superphosphate production |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180126 |
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| WD01 | Invention patent application deemed withdrawn after publication |